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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-17  Richard Guenther  <rguenther@suse.de>
2
3         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up
4         tuplification.
5         (get_prop_source_stmt): Likewise.
6         (can_propagate_from): Likewise.
7
8 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
9
10         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
11         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
12         (--with-multilib-list): Add default value.
13         * configure: Regenerate.
14         * Makefile.in (TM_ENDIAN_CONFIG): Define.
15         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
16         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
17         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
18         Don't add default cpu to multilib list unnecessarily, but do enable
19         the relevant compiler option..
20         Add support for --with-multilib-list=<blank> and
21         --with-multilib-list=!<somelib> to supress unwanted multilibs.
22         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
23         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
24         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
25         TM_MULTILIB_CONFIG.
26         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
27         (MULTILIB_OSDIRNAMES): New variable.
28         * config/sh/t-1e: Delete file.
29         * config/sh/t-mlib-sh1: Delete file.
30         * config/sh/t-mlib-sh2: Delete file.
31         * config/sh/t-mlib-sh2a: Delete file.
32         * config/sh/t-mlib-sh2a-nofpu: Delete file.
33         * config/sh/t-mlib-sh2a-single: Delete file.
34         * config/sh/t-mlib-sh2a-single-only: Delete file.
35         * config/sh/t-mlib-sh2e: Delete file.
36         * config/sh/t-mlib-sh3e: Delete file.
37         * config/sh/t-mlib-sh4: Delete file.
38         * config/sh/t-mlib-sh4-nofpu: Delete file.
39         * config/sh/t-mlib-sh4-single: Delete file.
40         * config/sh/t-mlib-sh4-single-only: Delete file.
41         * config/sh/t-mlib-sh4a: Delete file.
42         * config/sh/t-mlib-sh4a-nofpu: Delete file.
43         * config/sh/t-mlib-sh4a-single: Delete file.
44         * config/sh/t-mlib-sh4a-single-only: Delete file.
45         * config/sh/t-mlib-sh4al: Delete file.
46         * config/sh/t-mlib-sh5-32media: Delete file.
47         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
48         * config/sh/t-mlib-sh5-64media: Delete file.
49         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
50         * config/sh/t-mlib-sh5-compact: Delete file.
51         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
52         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
53         * doc/install.texi (Options specification): Add
54         --with-multilib-list and --with-endian.
55
56 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
57
58         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
59         REVISION_c.
60         (OBJS-common): Add plugin-version.o.
61         (plugin-version.o): New.
62         * gcc-plugin.h (plugin_gcc_version): New.
63         (plugin_default_version_check): New.
64         (plugin_init_func, plugin_init): Add version argument.
65         * plugin-version.c: New.
66         * plugin.c (str_plugin_gcc_version_name): New.
67         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
68         pass it to the init function.
69         (plugin_default_version_check): New.
70
71 2009-04-17  Richard Guenther  <rguenther@suse.de>
72
73         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
74         for decl-vs-decl disambiguation.
75
76 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
77
78         * config/s390/s390.h (s390_tune_attr): New macro definition.
79         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
80
81 2009-04-17  Richard Guenther  <rguenther@suse.de>
82
83         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
84         (fold_stmt_r): Likewise.
85         (maybe_fold_reference): New function.
86         (fold_gimple_assign): Handle cases fold_stmt_r did.
87         (fold_stmt): Do not use fold_stmt_r.
88         (fold_stmt_inplace): Likewise.
89
90 2009-04-17  Richard Guenther  <rguenther@suse.de>
91
92         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
93         (record_equivalences_from_stmt): Remove useless checks and
94         simplifications.
95         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
96         the type is already suitable.
97
98 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
99
100         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
101
102 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
103
104         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
105         (CMPtype): Define as __gcc_CMPtype.
106
107 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
108
109         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
110         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
111
112 2009-04-17  Richard Guenther  <rguenther@suse.de>
113
114         PR tree-optimization/39746
115         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
116         special-casing for builtins and static variable use/def.
117         (call_may_clobber_ref_p_1): Likewise.
118
119 2009-04-16  Ian Lance Taylor  <iant@google.com>
120
121         * df.h: Include "timevar.h".
122         (struct df_problem): Change tv_id field to timevar_id_t.
123         * tree-pass.h: Include "timevar.h".
124         (struct opt_pass): Change tv_id field to timevar_id_t.
125         * timevar.h (timevar_id_t): Define TV_NONE.
126         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
127         TV_NONE rather than tv_id != 0.
128         (execute_one_pass): Likewise.
129         * Makefile.in (DF_H): Add $(TIMEVAR_H).
130         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
131         dependencies to $(TREE_PASS_H).
132         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
133         to TV_NONE.
134         (pass_branch_target_load_optimize2): Likewise.
135         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
136         (pass_outof_cfg_layout_mode): Likewise.
137         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
138         (pass_rebuild_cgraph_edges): Likewise.
139         (pass_remove_cgraph_callee_edges): Likewise.
140         * df-core.c (pass_df_initialize_opt): Likewise.
141         (pass_df_initialize_no_opt): Likewise.
142         (pass_df_finish): Likewise.
143         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
144         * except.c (pass_set_nothrow_function_flags): Likewise.
145         (pass_convert_to_eh_region_ranges): Likewise.
146         * final.c (pass_compute_alignments): Likewise.
147         * function.c (pass_instantiate_virtual_regs): Likewise.
148         (pass_init_function): Likewise.
149         (pass_leaf_regs): Likewise.
150         (pass_match_asm_constraints): Likewise.
151         * gimple-low.c (pass_lower_cf): Likewise.
152         (pass_mark_used_blocks): Likewise.
153         * init-regs.c (pass_initialize_regs): Likewise.
154         * integrate.c (pass_initial_value_sets): Likewise.
155         * ira.c (pass_ira): Likewise.
156         * jump.c (pass_cleanup_barriers): Likewise.
157         * omp-low.c (pass_expand_omp): Likewise.
158         (pass_lower_omp): Likewise.
159         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
160         * recog.c (pass_split_all_insns): Likewise.
161         (pass_split_after_reload): Likewise.
162         (pass_split_before_regstack): Likewise.
163         (pass_split_before_sched2): Likewise.
164         (pass_split_for_shorten_branches): Likewise.
165         * reginfo.c (pass_reginfo_init): Likewise.
166         (pass_subregs_of_mode_init): Likewise.
167         (pass_subregs_of_mode_finish): Likewise.
168         * passes.c (pass_postreload): Likewise.
169         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
170         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
171         (pass_warn_function_return): Likewise.
172         (pass_warn_function_noreturn): Likewise.
173         * tree-complex.c (pass_lower_complex): Likewise.
174         (pass_lower_complex_O0): Likewise.
175         * tree-if-conv.c (pass_if_conversion): Likewise.
176         * tree-into-ssa.c (pass_build_ssa): Likewise.
177         * tree-mudflap.c (pass_mudflap_1): Likewise.
178         (pass_mudflap_2): Likewise.
179         * tree-nomudflap.c (pass_mudflap_1): Likewise.
180         (pass_mudflap_2): Likewise.
181         * tree-nrv.c (pass_return_slot): Likewise.
182         * tree-object-size.c (pass_object_sizes): Likewise.
183         * tree-optimize.c (pass_all_optimizations): Likewise.
184         (pass_early_local_passes): Likewise.
185         (pass_all_early_optimizations): Likewise.
186         (pass_cleanup_cfg): Likewise.
187         (pass_cleanup_cfg_post_optimizing): Likewise.
188         (pass_free_datastructures): Likewise.
189         (pass_free_cfg_annotations): Likewise.
190         (pass_fixup_cfg): Likewise.
191         (pass_init_datastructures): Likewise.
192         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
193         (pass_late_warn_uninitialized): Likewise.
194         (pass_update_address_taken): Likewise.
195         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
196         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
197         (pass_cse_sincos): Likewise.
198         (pass_convert_to_rsqrt): Likewise.
199         * tree-ssa-structalias.c (pass_build_alias): Likewise.
200         * tree-stdarg.c (pass_stdarg): Likewise.
201         * tree-tailcall.c (pass_tail_recursion): Likewise.
202         (pass_tail_calls): Likewise.
203         * tree-vect-generic.c (pass_lower_vector): Likewise.
204         (pass_lower_vector_ssa): Likewise.
205         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
206
207 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
208
209         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
210         XLR entry.
211         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
212         Handle -march=xlr.
213         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
214         logical and signext.
215
216 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
217
218         PR target/39767
219         * config/sh/predicates.md (arith_operand): Check if the operand
220         of TRUNCATE is a REG.
221
222 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
223
224         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
225         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
226
227 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
228
229         * tree-iterator.c (tsi_split_statement_list_after,
230         tsi_split_statement_list_before): Remove.
231         * tree-iterator.h: Remove the prototypes for
232         tsi_split_statement_list_after and tsi_split_statement_list_before.
233
234 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
235
236         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
237         * tree-ssa-propagate.h: Remove the prototype for
238         stmt_makes_single_load.
239
240 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
241
242         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
243         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
244
245 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
246
247         * tree-iterator.c (EXPR_LAST_BODY): Remove.
248
249 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
250
251         * except.c (eh_region_outer_p): Remove.
252         * except.h: Remove the prototype for eh_region_outer_p.
253
254 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
255
256         * function.c (current_function_assembler_name): Remove.
257         * function.h: Remove the prototype for
258         current_function_assembler_name.
259
260 2009-04-16  Ian Lance Taylor  <iant@google.com>
261
262         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
263         (add_reg_note): Call alloc_reg_note.
264         * rtl.h (alloc_reg_note): Declare.
265         * combine.c (try_combine): Use alloc_reg_note.
266         (recog_for_combine, move_deaths): Likewise.
267         (distribute_notes): Use alloc_reg_note and add_reg_note.
268         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
269         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
270         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
271
272 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
273
274         PR rtl-optimization/39762
275         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
276         ira_may_move_out_cost): Add comments about way of their usage.
277         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
278         
279         * ira-conflicts.c (process_regs_for_copy): Use function
280         ira_get_register_move_cost instead of global
281         ira_register_move_cost.
282
283         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
284         color_pass, move_spill_restore, update_curr_costs): Ditto.
285
286         * ira-lives.c (process_single_reg_class_operands): Ditto.
287
288         * ira-emit.c (emit_move_list): Ditto.
289
290         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
291         (record_reg_classes): Ditto.  Use functions
292         ira_get_register_move_cost and ira_get_may_move_cost instead of
293         global vars ira_register_move_cost, ira_may_move_out_cost and
294         ira_may_move_in_cost.
295         (record_address_regs): Don't call ira_init_register_move_cost.
296         Use function ira_get_may_move_cost instead of global
297         ira_may_move_in_cost.
298         (process_bb_node_for_hard_reg_moves): Use function
299         ira_get_register_move_cost instead of global ira_register_move_cost.
300         (ira_costs): Don't call ira_init_register_move_cost.
301         
302 2009-04-16  Richard Guenther  <rguenther@suse.de>
303
304         * tree-cfg.c (verify_gimple_assign_binary):
305         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
306         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
307         (create_general_new_stmt): Note that this function is broken.
308
309 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
310
311         * common.opt (fhelp): Add Var(help_flag).
312         * gcc-plugin.h (plugin_info): Add help.
313         * plugin.c (plugin_name_args): Add help.
314         (register_plugin_info): Set plugin->help.
315         (print_help_one_plugin): New.
316         (print_plugins_help): New.
317         * plugin.h (print_plugins_help): New.
318         * toplev.c (toplev_main): Call print_plugins_help if needed.
319
320 2009-04-16  Richard Guenther  <rguenther@suse.de>
321
322         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
323         (gimple_ior_addresses_taken_1): New function.
324         (gimple_ior_addresses_taken): Likewise.
325         * gimple.h (struct gimple_statement_with_ops_base): Remove
326         addresses_taken member.
327         (gimple_ior_addresses_taken): Declare.
328         (gimple_addresses_taken, gimple_addresses_taken_ptr,
329         gimple_set_addresses_taken): Remove.
330         * ipa-reference.c (mark_address): New function.
331         (scan_stmt_for_static_refs): Use it for marking addresses taken.
332         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
333         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
334         (gimple_add_to_addresses_taken): Remove.
335         (get_tmr_operands): Call mark_address_taken.
336         (get_asm_expr_operands): Likewise.
337         (get_expr_operands): Likewise.
338         (build_ssa_operands): Do not clear the addresses_taken bitmap.
339         (free_stmt_operands): Do not free it.
340         * tree-ssa.c (delete_tree_ssa): Likewise.
341         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
342
343 2009-04-16  Richard Guenther  <rguenther@suse.de>
344
345         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
346         (walk_stmt_load_store_ops): Likewise.
347         * gimple.c (get_base_loadstore): New function.
348         (walk_stmt_load_store_addr_ops): Likewise.
349         (walk_stmt_load_store_ops): Likewise.
350         * ipa-pure-const.c (check_op): Simplify.
351         (check_load, check_store): New functions.
352         (check_stmt): Use walk_stmt_load_store_ops.
353         * ipa-reference.c (mark_load): Adjust signature.
354         (mark_store): Likewise.
355         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
356
357 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
358
359         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
360         (plugin_info): New.
361         * opts.c (common_handle_option): Don't call print_version.
362         * plugin.c (plugin_name_args): Add version.
363         (register_plugin_info): New.
364         (register_callback): Handle PLUGIN_INFO.
365         (try_init_one_plugin): New.
366         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
367         if failed to init.
368         (finalize_one_plugin): New.
369         (finalize_plugins): New.
370         (print_one_plugin): New.
371         (print_plugins_versions): New.
372         * plugin.h (print_plugins_versions): New.
373         (finalize_plugins): New.
374         * toplev.c (compile_file): Don't call initialize_plugins.
375         (print_version): Call print_plugins_versions.
376         (toplev_main): Call initialize_plugins. Print version if needed.
377         Call finalize_plugins.
378
379 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
380
381         * common.opt (fversion): New.
382         * gcc.c (print_version): New.
383         (process_command): Don't print the version. Just set print_version.
384         (main): Print version. Call subprocesses if print_version and
385         verbose_flag are set.
386         * opts.c (common_handle_option): Handle OPT_fversion.
387
388 2009-04-16  Richard Guenther  <rguenther@suse.de>
389             Ira Rosen  <irar@il.ibm.com>
390
391         PR tree-optimization/39698
392         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
393         type of the reduction variable.  Only generate the def if
394         it is needed.
395
396         * omp-low.c (expand_omp_for_generic): When converting to a pointer
397         make sure to first convert to an integer of the same precision.
398         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
399         the type of the evolution correctly in computing the new
400         induction variable base.
401
402 2009-04-16  Richard Guenther  <rguenther@suse.de>
403
404         PR middle-end/39625
405         * tree-cfg.c (make_blocks): Split statements with to-be
406         abnormal SSA names on the lhs.
407
408 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
409
410         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
411         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
412         * c-typeck.c (really_start_incremental_init): Likewise.
413         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
414         (TARGET_INITIALIZER): Remove it.
415         * target.h (struct target): Remove vector_opaque_p.
416         * tree.c (build_opaque_vector_type): New.
417         * tree.h (TYPE_VECTOR_OPAQUE): New.
418         (build_opaque_vector_type): Declare.
419         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
420         * config/rs6000/rs6000.c (build_opaque_vector_type,
421         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
422         (rs6000_init_builtins): Use build_opaque_vector_type for
423         opaque_V4SI_type_node.
424
425 2009-04-15  Catherine Moore  <clm@codesourcery.com>
426
427         * debug.h (set_name):  Declare.
428         * dwarf2out.c (dwarf2out_set_name): Declare.
429         (dwarf2_debug_hooks): Add set_name.
430         (find_AT_string): New.
431         (add_AT_string): Call find_AT_string.
432         (dwarf2out_set_name): New.
433         * cp/decl.c (grokdeclarator): Call set_name.
434         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
435         * debug.c (do_nothing_debug_hooks):  Likewise.
436         * dbxout.c (dbx_debug_hooks): Likewise.
437         * sdbout.c (sdb_debug_hooks): Likewise.
438
439 2009-04-15  Michael Eager <eager@eagercon.com>
440
441         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
442         reg for single-precision FPU.
443         * config/rs6000/rs6000.md (movsi_internal1): Only for
444         !TARGET_SINGLE_FPU.
445         (movsi_internal1_single): New. Add pattern to move SI values to/from
446         single-precision FP regs.
447
448 2009-04-15  Richard Guenther  <rguenther@suse.de>
449
450         * omp-low.c (lower_rec_input_clauses): Build correct address
451         expressions.
452         (expand_omp_for_generic): Fix multiplication type.
453         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
454         (generate_memset_zero): Fix types.
455         * tree-profile.c (prepare_instrumented_value): Correctly
456         widen a pointer.
457
458 2009-04-15  Ian Lance Taylor  <iant@google.com>
459
460         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
461         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
462         for -Wall and for -Wc++-compat.
463         (c_common_post_options): For C++, set warn_enum_compare if not
464         already set.
465         * c-tree.h (struct c_expr): Add field original_type.
466         (build_external_ref): Update declaration.
467         * c-parser.c (c_parser_braced_init): Set original_type.
468         (c_parser_initelt): Likewise.
469         (c_parser_expr_no_commas): Likewise.
470         (c_parser_conditional_expression): Likewise.
471         (c_parser_cast_expression): Likewise.
472         (c_parser_unary_expression): Likewise.  Pull setting of
473         original_code to top of function.
474         (c_parser_sizeof_expression): Set original_type.
475         (c_parser_alignof_expression): Likewise.
476         (c_parser_postfix_expression): Likewise.  Pull setting of
477         original_code to top of function.
478         (c_parser_postfix_expression_after_paren_type): Set original_type.
479         (c_parser_postfix_expression_after_primary): Likewise.
480         (c_parser_expression): Likewise.
481         * c-typeck.c (build_external_ref): Add type parameter.  Change all
482         callers.
483         (c_expr_sizeof_expr): Set original_type field.
484         (parser_build_unary_op): Likewise.
485         (parser_build_binary_op): Likewise.  Optionally warn about
486         comparisons of enums of different types.
487         (digest_init): Set original_type field.
488         (really_start_incremental_init): Likewise.
489         (push_init_level, pop_init_level): Likewise.
490         * doc/invoke.texi (Warning Options): -Wenum-compare now
491         supported in C.
492
493 2009-04-15  Richard Guenther  <rguenther@suse.de>
494
495         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
496         out a necessary conversion.
497         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
498         names we didn't value number.
499         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
500
501 2009-04-15  Richard Guenther  <rguenther@suse.de>
502
503         PR tree-optimization/39764
504         * tree-ssa-ccp.c (get_value): Canonicalize value with
505         canonicalize_float_value.
506
507 2009-04-15  Jan Hubicka  <jh@suse.cz>
508
509         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
510         Wrong version of patch.
511
512 2009-04-15  Jan Hubicka  <jh@suse.cz>
513
514         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
515
516 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
517
518         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
519         our distinct integral and vector types.
520
521 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
522
523         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
524         * init.c (build_vtbl_address): Remove call to assemble_external.
525
526 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
527
528         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
529         output for other floating point modes.
530
531 2009-04-14  Diego Novillo  <dnovillo@google.com>
532
533         * diagnostic.c (diagnostic_report_diagnostic): Do not
534         warn about loaded plugins for DK_ERROR and DK_WARNING.
535         * c-decl.c (declspecs_add_type): Move call to
536         invoke_plugin_callbacks ...
537         * c-parser.c (c_parser_declspecs): ... here.
538         * plugin.c (dump_active_plugins): Tidy output.
539
540 2009-04-14  Diego Novillo  <dnovillo@google.com>
541             Le-Chun Wu  <lcwu@google.com>
542
543         * configure.ac: Add --enable-plugin support.
544         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
545         * Makefile.in (PLUGIN_H): Define.
546         Export ENABLE_PLUGIN and GMPINC to site.exp.
547         Add PLUGINLIBS to link command.
548         Add/modify dependencies for plugin.o and files including plugin.h.
549         (plugin.o): New.
550         * config.in: Regenerate.
551         
552         * opts.c (common_handle_option): Handle OPT_fplugin_ and
553         OPT_fplugin_arg_.
554
555 2009-04-14  Le-Chun Wu  <lcwu@google.com>
556
557         * tree-pass.h (register_one_dump_file): Add a prototype for
558         register_one_dump_file.
559         * toplev.c (compile_file): Call initialize_plugins.
560         (do_compile): Call invoke_plugin_callbacks.
561         (toplev_main): Call invoke_plugin_callbacks.
562         * common.opt: Add -fplugin= and -fplugin-arg-.
563         * gcc-plugin.h: New public header file for plugins to include.
564         * plugin.c: New source file.
565         * plugin.h: New internal header file.
566         * passes.c (register_one_dump_file): Make it external.
567         
568         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
569
570 2009-04-14  Diego Novillo  <dnovillo@google.com>
571
572         * doc/plugins.texi: New.
573         * doc/gccint.texi: Add reference to Plugins chapter.
574         * doc/invoke.texi: Document -fplugin and -fplugin-arg
575         * diagnostic.c (diagnostic_report_diagnostic): Warn about
576         loaded plugins, if any.
577         * timevar.def (TV_PLUGIN_INIT): Define.
578         (TV_PLUGIN_RUN): Define.
579         * plugin.c: Include timevar.h
580         (plugins_active_p): New.
581         (dump_active_plugins): New.
582         (debug_active_plugins): New.
583
584 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
585
586         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
587         library paths.
588         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
589
590 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
591
592         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
593         the same as a minus without a shift.
594
595 2009-04-14  Nick Clifton  <nickc@redhat.com>
596
597         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
598         comparisons with small integers will always produce a short
599         branch.
600
601 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
602
603         Merge:
604         2008-12-19  Diego Novillo  <dnovillo@google.com>
605
606         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
607
608 2000-04-14  Richard Guenther  <rguenther@suse.de>
609
610         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
611         verification.
612         (verify_gimple_assign_binary): Likewise.  Handle shifts and
613         rotates correctly.
614         (verify_gimple_phi): Print the mismatched argument position.
615         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
616         Fix types.
617         (vect_update_init_of_dr): Likewise.
618         * matrix-reorg.c (transform_access_sites): Do what the
619         comment suggests.
620         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
621
622 2009-04-13  Michael Eager <eager@eagercon.com>
623
624         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
625         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
626         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
627         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
628         remove duplicate config
629
630 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
631
632         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
633         file_name:line_number type locator of the call site.
634         
635 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
636
637         * genautomata.c: Put blank after comma.
638         (automaton_decls): New.
639         (struct unit_usage): Add comments to member next.
640         (store_alt_unit_usage): Keep the list ordered.
641         (unit_present_on_list_p, equal_alternatives_p): New.
642         (check_regexp_units_distribution): Check units distribution
643         correctness correctly.
644         (main): Don't write automata if error is found.  Return correct
645         exit code.
646         
647         * config/m68k/cf.md (cfv4_ds): Remove.
648         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
649         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
650
651         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
652         power4-load-ext, power4-store, power4-store-update,
653         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
654         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
655         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
656         power4-sqrt, power4-isync): Modify reservation to make correct
657         unit distribution to automata.
658
659         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
660         power5-store-update, power5-two, power5-three, power5-lmul,
661         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
662         
663 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
664
665         * except.c (pass_set_nothrow_function_flags): Set name and add
666         TODO_dump_func.
667         (set_nothrow_function_flags): Mention in the dump file when
668         changing a function to nothrow.
669
670 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
671
672         PR/39066
673         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
674         instead of unsigned long.
675
676 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
677
678         * config/arm/arm.c (return_used_this_function): Remove.
679         (arm_output_function_prologue): Remove use of
680         return_used_this_function.
681         (output_return_instruction): Replace use of
682         return_used_this_function
683         by cfun->machine->return_used_this_function.
684         (arm_output_epilogue): Likewise.
685         (arm_output_function_epilogue): Likewise.
686         (thumb_unexpanded_epilogue): Likewise.
687         * config/arm/arm.h (struct machine_function):
688         New member return_used_this_function.
689
690 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
691
692         * doc/install.texi: Correct description of default directory for
693         --with-gxx-include-dir.
694
695 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
696
697         * fold-const.c (build_range_check): Properly deal with enumeral and
698         boolean base types.
699
700 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
701
702         * doc/invoke.texi (max_gcse_passes): Remove documentation.
703         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
704         * params.h (MAX_GCSE_PASSES): Remove.
705         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
706         in sequence.  Remove ability to run multiple passes.
707         (bypass_jumps): Report run as third CPROP pass.
708
709 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
710
711         PR middle-end/39651
712         * except.c (can_throw_external): Look at each insn in a SEQUENCE
713         when deciding whether the whole SEQUENCE can throw.
714
715 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
716
717         PR target/39740
718         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
719         offseted label references.
720
721 2009-04-11  Jan Hubicka  <jh@suse.cz>
722
723         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
724
725 2009-04-11  Richard Guenther  <rguenther@suse.de>
726
727         PR middle-end/39732
728         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
729         return variables as TREE_ADDRESSABLE.
730
731 2009-04-11  Richard Guenther  <rguenther@suse.de>
732
733         PR tree-optimization/39713
734         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
735         reference trees have SSA_NAME operands.
736
737 2009-04-11  Richard Guenther  <rguenther@suse.de>
738
739         PR c/39712
740         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
741         address expressions.
742
743 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
744
745         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
746         match changes in Cygwin 1.7
747         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
748         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
749
750 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
751
752         PR tree-optimization/39701
753         * doc/invoke.texi (Optimization Options): Document change in
754         meaning and initialization of -fdelete-null-pointer-checks.
755
756 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
757
758         PR middle-end/39701
759         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
760
761         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
762         here.
763
764         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
765
766 2009-04-10  Chao-ying Fu  <fu@mips.com>
767
768         * doc/tm.texi (Instruction Output): Document
769         TARGET_ASM_FINAL_POSTSCAN_INSN.
770         * target.h (final_postscan_insn): New field in asm_out.
771         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
772         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
773         * final.c (final_scan_insn): Call
774         targetm.asm_out.final_postscan_insn after outputting
775         an asm macro and a normal instruction.
776
777         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
778         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
779         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
780         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
781         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
782
783 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
784
785         PR middle-end/39701
786         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
787         variables as non-NULL even with -fdelete-null-pointer-checks.
788
789 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
790
791         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
792
793 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
794
795         PR target/39678
796         * config/i386/i386.c (classify_argument): Handle SCmode with
797         (bit_offset % 64) != 0.
798
799 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
800
801         * doc/invoke.texi (Optimize Options): Add cross-reference to
802         -Q --help=optimizers examples.
803
804 2009-04-10  Ben Elliston  <bje@au.ibm.com>
805
806         PR target/36800
807         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
808         regalign for the reg == fpr and TDmode case.
809
810 2009-04-09  David Ayers  <ayers@fsfe.org>
811
812         PR objc/29200
813         * objc/objc-act.c (warn_with_method): Remove helper function.
814         (check_duplicates): Call warning and inform directly.
815         (really_start_method): Likewise.
816
817 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
818
819         * expmed.c (expand_divmod): Always use a comparison for a division
820         by a large unsigned integer.
821
822         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
823         for things others than variables or functions as nonzero.
824
825 2009-04-09  Nick Clifton  <nickc@redhat.com>
826
827         * unwind-compat.c: Change copyright header to refer to version
828         3 of the GNU General Public License with version 3.1 of the
829         GCC Runtime Library Exception and to point readers at the
830         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
831         * config/alpha/crtfastmath.c: Likewise.
832         * config/alpha/linux-unwind.h: Likewise.
833         * config/alpha/qrnnd.asm: Likewise.
834         * config/alpha/vms-crt0-64.c: Likewise.
835         * config/alpha/vms-crt0.c: Likewise.
836         * config/alpha/vms-dwarf2.asm: Likewise.
837         * config/alpha/vms-dwarf2eh.asm: Likewise.
838         * config/alpha/vms-psxcrt0-64.c: Likewise.
839         * config/alpha/vms-psxcrt0.c: Likewise.
840         * config/alpha/vms_tramp.asm: Likewise.
841         * config/arc/initfini.c: Likewise.
842         * config/arc/lib1funcs.asm: Likewise.
843         * config/arm/bpabi-v6m.S: Likewise.
844         * config/arm/bpabi.S: Likewise.
845         * config/arm/bpabi.c: Likewise.
846         * config/arm/crti.asm: Likewise.
847         * config/arm/crtn.asm: Likewise.
848         * config/arm/ieee754-df.S: Likewise.
849         * config/arm/ieee754-sf.S: Likewise.
850         * config/arm/lib1funcs.asm: Likewise.
851         * config/arm/libunwind.S: Likewise.
852         * config/arm/linux-atomic.c: Likewise.
853         * config/arm/mmintrin.h: Likewise.
854         * config/arm/pr-support.c: Likewise.
855         * config/arm/unaligned-funcs.c: Likewise.
856         * config/arm/unwind-arm.c: Likewise.
857         * config/arm/unwind-arm.h: Likewise.
858         * config/avr/libgcc.S: Likewise.
859         * config/bfin/crti.s: Likewise.
860         * config/bfin/crtlibid.s: Likewise.
861         * config/bfin/crtn.s: Likewise.
862         * config/bfin/lib1funcs.asm: Likewise.
863         * config/bfin/linux-unwind.h: Likewise.
864         * config/cris/arit.c: Likewise.
865         * config/cris/cris_abi_symbol.c: Likewise.
866         * config/darwin-64.c: Likewise.
867         * config/darwin-crt2.c: Likewise.
868         * config/darwin-crt3.c: Likewise.
869         * config/darwin.h: Likewise.
870         * config/dbxelf.h: Likewise.
871         * config/dfp-bit.c: Likewise.
872         * config/dfp-bit.h: Likewise.
873         * config/elfos.h: Likewise.
874         * config/fixed-bit.c: Likewise.
875         * config/fixed-bit.h: Likewise.
876         * config/fp-bit.c: Likewise.
877         * config/fp-bit.h: Likewise.
878         * config/fr30/crti.asm: Likewise.
879         * config/fr30/crtn.asm: Likewise.
880         * config/fr30/lib1funcs.asm: Likewise.
881         * config/freebsd-spec.h: Likewise.
882         * config/frv/cmovd.c: Likewise.
883         * config/frv/cmovh.c: Likewise.
884         * config/frv/cmovw.c: Likewise.
885         * config/frv/frvbegin.c: Likewise.
886         * config/frv/frvend.c: Likewise.
887         * config/frv/lib1funcs.asm: Likewise.
888         * config/glibc-stdint.h: Likewise.
889         * config/h8300/clzhi2.c: Likewise.
890         * config/h8300/crti.asm: Likewise.
891         * config/h8300/crtn.asm: Likewise.
892         * config/h8300/ctzhi2.c: Likewise.
893         * config/h8300/fixunssfsi.c: Likewise.
894         * config/h8300/lib1funcs.asm: Likewise.
895         * config/h8300/parityhi2.c: Likewise.
896         * config/h8300/popcounthi2.c: Likewise.
897         * config/i386/ammintrin.h: Likewise.
898         * config/i386/att.h: Likewise.
899         * config/i386/avxintrin.h: Likewise.
900         * config/i386/biarch64.h: Likewise.
901         * config/i386/bmmintrin.h: Likewise.
902         * config/i386/cpuid.h: Likewise.
903         * config/i386/cross-stdarg.h: Likewise.
904         * config/i386/crtfastmath.c: Likewise.
905         * config/i386/crtprec.c: Likewise.
906         * config/i386/cygming-crtbegin.c: Likewise.
907         * config/i386/cygming-crtend.c: Likewise.
908         * config/i386/cygwin.asm: Likewise.
909         * config/i386/emmintrin.h: Likewise.
910         * config/i386/gmm_malloc.h: Likewise.
911         * config/i386/gthr-win32.c: Likewise.
912         * config/i386/i386.h: Likewise.
913         * config/i386/immintrin.h: Likewise.
914         * config/i386/linux-unwind.h: Likewise.
915         * config/i386/linux64.h: Likewise.
916         * config/i386/mm3dnow.h: Likewise.
917         * config/i386/mmintrin-common.h: Likewise.
918         * config/i386/mmintrin.h: Likewise.
919         * config/i386/nmmintrin.h: Likewise.
920         * config/i386/pmm_malloc.h: Likewise.
921         * config/i386/pmmintrin.h: Likewise.
922         * config/i386/smmintrin.h: Likewise.
923         * config/i386/sol2-c1.asm: Likewise.
924         * config/i386/sol2-ci.asm: Likewise.
925         * config/i386/sol2-cn.asm: Likewise.
926         * config/i386/sol2-gc1.asm: Likewise.
927         * config/i386/tmmintrin.h: Likewise.
928         * config/i386/unix.h: Likewise.
929         * config/i386/w32-unwind.h: Likewise.
930         * config/i386/wmmintrin.h: Likewise.
931         * config/i386/x86-64.h: Likewise.
932         * config/i386/x86intrin.h: Likewise.
933         * config/i386/xmmintrin.h: Likewise.
934         * config/ia64/crtbegin.asm: Likewise.
935         * config/ia64/crtend.asm: Likewise.
936         * config/ia64/crtfastmath.c: Likewise.
937         * config/ia64/crti.asm: Likewise.
938         * config/ia64/crtn.asm: Likewise.
939         * config/ia64/fde-glibc.c: Likewise.
940         * config/ia64/lib1funcs.asm: Likewise.
941         * config/ia64/linux-unwind.h: Likewise.
942         * config/ia64/quadlib.c: Likewise.
943         * config/ia64/unwind-ia64.c: Likewise.
944         * config/linux.h: Likewise.
945         * config/m32c/m32c-lib1.S: Likewise.
946         * config/m32c/m32c-lib2-trapv.c: Likewise.
947         * config/m32c/m32c-lib2.c: Likewise.
948         * config/m32r/initfini.c: Likewise.
949         * config/m68hc11/larith.asm: Likewise.
950         * config/m68hc11/m68hc11-crt0.S: Likewise.
951         * config/m68k/cf.md: Likewise.
952         * config/m68k/crti.s: Likewise.
953         * config/m68k/crtn.s: Likewise.
954         * config/m68k/lb1sf68.asm: Likewise.
955         * config/m68k/linux-unwind.h: Likewise.
956         * config/mcore/crti.asm: Likewise.
957         * config/mcore/crtn.asm: Likewise.
958         * config/mcore/lib1.asm: Likewise.
959         * config/mips/linux-unwind.h: Likewise.
960         * config/mips/loongson.h: Likewise.
961         * config/mips/mips16.S: Likewise.
962         * config/mmix/crti.asm: Likewise.
963         * config/mmix/crtn.asm: Likewise.
964         * config/pa/fptr.c: Likewise.
965         * config/pa/hpux-unwind.h: Likewise.
966         * config/pa/lib2funcs.asm: Likewise.
967         * config/pa/linux-atomic.c: Likewise.
968         * config/pa/linux-unwind.h: Likewise.
969         * config/pa/milli64.S: Likewise.
970         * config/pa/quadlib.c: Likewise.
971         * config/pa/stublib.c: Likewise.
972         * config/picochip/libgccExtras/adddi3.asm: Likewise.
973         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
974         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
975         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
976         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
977         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
978         * config/picochip/libgccExtras/divmod15.asm: Likewise.
979         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
980         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
981         * config/picochip/libgccExtras/longjmp.asm: Likewise.
982         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
983         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
984         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
985         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
986         * config/picochip/libgccExtras/setjmp.asm: Likewise.
987         * config/picochip/libgccExtras/subdi3.asm: Likewise.
988         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
989         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
990         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
991         * config/rs6000/750cl.h: Likewise.
992         * config/rs6000/altivec.h: Likewise.
993         * config/rs6000/biarch64.h: Likewise.
994         * config/rs6000/crtresfpr.asm: Likewise.
995         * config/rs6000/crtresgpr.asm: Likewise.
996         * config/rs6000/crtresxfpr.asm: Likewise.
997         * config/rs6000/crtresxgpr.asm: Likewise.
998         * config/rs6000/crtsavfpr.asm: Likewise.
999         * config/rs6000/crtsavgpr.asm: Likewise.
1000         * config/rs6000/darwin-asm.h: Likewise.
1001         * config/rs6000/darwin-fallback.c: Likewise.
1002         * config/rs6000/darwin-fpsave.asm: Likewise.
1003         * config/rs6000/darwin-ldouble.c: Likewise.
1004         * config/rs6000/darwin-tramp.asm: Likewise.
1005         * config/rs6000/darwin-unwind.h: Likewise.
1006         * config/rs6000/darwin-vecsave.asm: Likewise.
1007         * config/rs6000/darwin-world.asm: Likewise.
1008         * config/rs6000/e500crtres32gpr.asm: Likewise.
1009         * config/rs6000/e500crtres64gpr.asm: Likewise.
1010         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1011         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1012         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1013         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1014         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1015         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1016         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1017         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1018         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1019         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1020         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1021         * config/rs6000/eabi-ci.asm: Likewise.
1022         * config/rs6000/eabi-cn.asm: Likewise.
1023         * config/rs6000/eabi.asm: Likewise.
1024         * config/rs6000/linux-unwind.h: Likewise.
1025         * config/rs6000/linux64.h: Likewise.
1026         * config/rs6000/paired.h: Likewise.
1027         * config/rs6000/paired.md: Likewise.
1028         * config/rs6000/ppc64-fp.c: Likewise.
1029         * config/rs6000/ppu_intrinsics.h: Likewise.
1030         * config/rs6000/rs6000.h: Likewise.
1031         * config/rs6000/si2vmx.h: Likewise.
1032         * config/rs6000/sol-ci.asm: Likewise.
1033         * config/rs6000/sol-cn.asm: Likewise.
1034         * config/rs6000/spe.h: Likewise.
1035         * config/rs6000/spu2vmx.h: Likewise.
1036         * config/rs6000/sysv4.h: Likewise.
1037         * config/rs6000/tramp.asm: Likewise.
1038         * config/rs6000/vec_types.h: Likewise.
1039         * config/s390/linux-unwind.h: Likewise.
1040         * config/s390/tpf-unwind.h: Likewise.
1041         * config/score/crti.asm: Likewise.
1042         * config/score/crtn.asm: Likewise.
1043         * config/sh/crt1.asm: Likewise.
1044         * config/sh/crti.asm: Likewise.
1045         * config/sh/crtn.asm: Likewise.
1046         * config/sh/divtab-sh4-300.c: Likewise.
1047         * config/sh/divtab-sh4.c: Likewise.
1048         * config/sh/divtab.c: Likewise.
1049         * config/sh/lib1funcs-4-300.asm: Likewise.
1050         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1051         * config/sh/lib1funcs.asm: Likewise.
1052         * config/sh/lib1funcs.h: Likewise.
1053         * config/sh/linux-atomic.asm: Likewise.
1054         * config/sh/linux-unwind.h: Likewise.
1055         * config/sh/shmedia.h: Likewise.
1056         * config/sh/sshmedia.h: Likewise.
1057         * config/sh/ushmedia.h: Likewise.
1058         * config/sparc/crtfastmath.c: Likewise.
1059         * config/sparc/linux-unwind.h: Likewise.
1060         * config/sparc/sol2-c1.asm: Likewise.
1061         * config/sparc/sol2-ci.asm: Likewise.
1062         * config/sparc/sol2-cn.asm: Likewise.
1063         * config/spu/divmodti4.c: Likewise.
1064         * config/spu/divv2df3.c: Likewise.
1065         * config/spu/float_disf.c: Likewise.
1066         * config/spu/float_unsdidf.c: Likewise.
1067         * config/spu/float_unsdisf.c: Likewise.
1068         * config/spu/float_unssidf.c: Likewise.
1069         * config/spu/mfc_multi_tag_release.c: Likewise.
1070         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1071         * config/spu/mfc_tag_release.c: Likewise.
1072         * config/spu/mfc_tag_reserve.c: Likewise.
1073         * config/spu/mfc_tag_table.c: Likewise.
1074         * config/spu/multi3.c: Likewise.
1075         * config/spu/spu_internals.h: Likewise.
1076         * config/spu/spu_intrinsics.h: Likewise.
1077         * config/spu/spu_mfcio.h: Likewise.
1078         * config/spu/vec_types.h: Likewise.
1079         * config/spu/vmx2spu.h: Likewise.
1080         * config/stormy16/stormy16-lib2.c: Likewise.
1081         * config/svr4.h: Likewise.
1082         * config/sync.c: Likewise.
1083         * config/v850/lib1funcs.asm: Likewise.
1084         * config/vxlib-tls.c: Likewise.
1085         * config/vxlib.c: Likewise.
1086         * config/vxworks-dummy.h: Likewise.
1087         * config/xtensa/crti.asm: Likewise.
1088         * config/xtensa/crtn.asm: Likewise.
1089         * config/xtensa/ieee754-df.S: Likewise.
1090         * config/xtensa/ieee754-sf.S: Likewise.
1091         * config/xtensa/lib1funcs.asm: Likewise.
1092         * config/xtensa/lib2funcs.S: Likewise.
1093         * config/xtensa/linux-unwind.h: Likewise.
1094         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1095         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1096         * coretypes.h: Likewise.
1097         * crtstuff.c: Likewise.
1098         * defaults.h: Likewise.
1099         * dwarf2.h: Likewise.
1100         * emutls.c: Likewise.
1101         * gbl-ctors.h: Likewise.
1102         * gcov-io.h: Likewise.
1103         * ginclude/float.h: Likewise.
1104         * ginclude/iso646.h: Likewise.
1105         * ginclude/stdarg.h: Likewise.
1106         * ginclude/stdbool.h: Likewise.
1107         * ginclude/stddef.h: Likewise.
1108         * ginclude/stdfix.h: Likewise.
1109         * ginclude/stdint-gcc.h: Likewise.
1110         * ginclude/tgmath.h: Likewise.
1111         * gthr-aix.h: Likewise.
1112         * gthr-dce.h: Likewise.
1113         * gthr-gnat.c: Likewise.
1114         * gthr-gnat.h: Likewise.
1115         * gthr-lynx.h: Likewise.
1116         * gthr-mipssde.h: Likewise.
1117         * gthr-nks.h: Likewise.
1118         * gthr-posix.c: Likewise.
1119         * gthr-posix.h: Likewise.
1120         * gthr-posix95.h: Likewise.
1121         * gthr-rtems.h: Likewise.
1122         * gthr-single.h: Likewise.
1123         * gthr-solaris.h: Likewise.
1124         * gthr-tpf.h: Likewise.
1125         * gthr-vxworks.h: Likewise.
1126         * gthr-win32.h: Likewise.
1127         * gthr.h: Likewise.
1128         * libgcc2.c: Likewise.
1129         * libgcc2.h: Likewise.
1130         * libgcov.c: Likewise.
1131         * tsystem.h: Likewise.
1132         * typeclass.h: Likewise.
1133         * unwind-c.c: Likewise.
1134         * unwind-compat.h: Likewise.
1135         * unwind-dw2-fde-compat.c: Likewise.
1136         * unwind-dw2-fde-darwin.c: Likewise.
1137         * unwind-dw2-fde-glibc.c: Likewise.
1138         * unwind-dw2-fde.c: Likewise.
1139         * unwind-dw2-fde.h: Likewise.
1140         * unwind-dw2.c: Likewise.
1141         * unwind-dw2.h: Likewise.
1142         * unwind-generic.h: Likewise.
1143         * unwind-pe.h: Likewise.
1144         * unwind-sjlj.c: Likewise.
1145         * unwind.inc: Likewise.
1146         * config/arm/neon-gen.ml: Change generated copyright header to
1147         refer to version 3 of the GNU General Public License with
1148         version 3.1 of the GCC Runtime Library Exception and to point
1149         readers at the COPYING3 and COPYING3.RUNTIME files and the
1150         FSF's license web page.
1151         * config/arm/arm_neon.h: Regenerate.
1152
1153 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1154
1155         * config/cris/cris.md: Change copyright header to refer to version
1156         3 of the GNU General Public License.
1157         * doc/install.texi2html: Change copyright header to refer to version
1158         3 of the GNU General Public License and to point readers at the
1159         COPYING3 file and the FSF's license web page.
1160         * config/vax/linux.h: Likewise.
1161
1162 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1163
1164         * config/i386/i386.md (cmpcc): New.
1165         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1166         (sync_compare_and_swap_cc*): Delete.
1167
1168         * config/s390/s390.c (s390_compare_emitted): Remove.
1169         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1170         s390_compare_emitted used to be handled.  Assert that modes match.
1171         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1172         refer to sync_compare_and_swap_ccsi.
1173         * config/s390/s390.h (s390_compare_emitted): Remove.
1174         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1175         instead of s390_compare_emitted.
1176         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1177         instead of s390_compare_emitted.
1178         * config/s390/s390.md (cmpcc): New.
1179         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1180         CC_REGNUM, do not pretend it's set.
1181         (sync_compare_and_swap_cc*): Delete.
1182         * config/s390/predicates.md (cc_reg_operand): New.
1183
1184         * expr.c (sync_compare_and_swap_cc): Delete.
1185         * optabs.h (sync_compare_and_swap_cc): Delete.
1186         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1187         is being used with can_compare_p.
1188         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1189         (find_cc_set): New.
1190         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1191         look for a MODE_CC set instead.  Use emit_store_flag.
1192         (expand_compare_and_swap_loop): Likewise, with some additional
1193         complication to avoid a force_reg when useless.  Use
1194         emit_cmp_and_jump_insns.
1195         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1196         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1197         sync_compare_and_swap documentation.
1198
1199 2009-04-09  Jan Hubicka  <jh@suse.cz>
1200
1201         * except.c (find_prev_try): Break out from ....
1202         (duplicate_eh_regions): ... here; properly update prev_try pointers
1203         when duplication part of tree.
1204         (dump_eh_tree): Improve dumping.
1205         (verify_eh_region): New.
1206         (verify_eh_tree): Use it.
1207
1208 2009-04-06  Richard Guenther  <rguenther@suse.de>
1209
1210         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1211         &ARRAY addresses by adjusting their types and prepending
1212         a conversion.
1213         * tree-cfg.c (verify_gimple_assign_single): Verify that
1214         addresses are correct.
1215
1216 2009-04-09  Richard Guenther  <rguenther@suse.de>
1217
1218         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1219         indices into an array reference if possible.
1220         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1221         Fold POINTER_PLUS_EXPR statements with invariant address.
1222
1223 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1224
1225         PR target/39634
1226         * config.gcc (powerpc64-*-linux*): Always build biarch.
1227
1228 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1229
1230         PR c/39613
1231         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1232         it and pedwarn if this results in an INTEGER_CST.
1233
1234 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1235
1236         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1237         text in MPFR section.
1238
1239 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1240
1241         * dwarf2out.c (class_scope_p): New static inline.
1242         (class_or_namespace_scope_p): Use it.
1243         (gen_variable_die): Use DW_TAG_member tag for static data member
1244         declarations instead of DW_TAG_variable.
1245
1246         PR middle-end/39573
1247         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1248         variables.
1249
1250 2009-04-08  Richard Guenther  <rguenther@suse.de>
1251
1252         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1253         valueize random data.
1254
1255 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1256
1257         * config.gcc (aix tm_file):  Add aix-stdint.h.
1258         (aix tm clause use_gcc_stdint):  Set to wrap.
1259         * config/rs6000/aix-stdint.h:  New file.
1260         
1261 2009-04-08  Richard Guenther  <rguenther@suse.de>
1262
1263         PR middle-end/36291
1264         * tree-dfa.c (add_referenced_var): Do not recurse into
1265         global initializers.
1266         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1267         exposed variables.
1268         (fold_const_aggregate_ref): Likewise.
1269
1270 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1271
1272         * recog.c (ordered_comparison_operator): New.
1273         * gensupport.c (std_preds): Add it.
1274         * doc/md.texi (Machine-Independent Predicates): Document it.
1275
1276 2009-04-08  Jan Hubicka  <jh@suse.cz>
1277
1278         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1279         * function.h (rtl_eh): Remove exception_handler_label_map.
1280         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1281         remove_exception_handler_label, for_each_eh_label_1): Remove.
1282         (rtl_remove_unreachable_regions): Remove.
1283         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1284         (find_exception_handler_labels): Don't build the hashtable.
1285         (maybe_remove_eh_handler): Remove.
1286         (for_each_eh_label): Rewrite to walk the tree.
1287         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1288         * except.h (maybe_remove_eh_handler): Remove.
1289         * passes.c (init_optimization_passes): Schedule second EH cleanup
1290         before out-of-ssa.
1291         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1292         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1293
1294 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1295
1296         * genoutput.c (validate_optab_operands): New.
1297         (gen_insn, gen_expand): Call it.
1298
1299         * genflags.c (gen_insn): Detect misused iterators.
1300         (main): Pass line_no to gen_insn, exit with status 1 on error.
1301
1302         * genextract.c (line_no): Make global.
1303         (VEC_safe_set_locstr): Change assertion to error message.
1304         (main): Exit with status 1 on error.
1305
1306 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1307
1308         PR c/39614
1309         PR c/39673
1310         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1311         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1312         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1313         * c-convert.c (convert): Do not call fold on results of conversion
1314         functions when the result is a C_MAYBE_CONST_EXPR.
1315         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1316         of __builtin_choose_expr.
1317         * c-typeck.c (remove_c_maybe_const_expr): New.
1318         (build_unary_op, build_conditional_expr, build_compound_expr,
1319         build_binary_op, c_objc_common_truthvalue_conversion): Call
1320         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1321         integer operands.
1322
1323 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1324
1325         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1326         CODE to produce a new one. Add a prototype to use fold_convert_const
1327
1328 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1329
1330         PR bootstrap/39660
1331         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1332         mix declarations and code.
1333
1334 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1335
1336         * gcc.c: Replace `CC' with `GCC' throughout.
1337
1338 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1339
1340         * doc/invoke.texi: Document Atom support.
1341
1342 2009-04-07  Jason Merrill  <jason@redhat.com>
1343
1344         PR c++/25185
1345         * c-common.h, c-common.c: Add flag_pretty_templates.
1346         * c-opts.c (c_common_handle_option): Set it.
1347         * c.opt: Add -fno-pretty-templates.
1348         * doc/invoke.texi (C++ Dialect Options): Likewise.
1349
1350 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1351
1352         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1353         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1354         (ia64_expand_builtin): Likewise.
1355
1356 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1357
1358         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1359         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1360         ADDR_EXPRS are include too.
1361
1362 2009-04-07  Richard Guenther  <rguenther@suse.de>
1363
1364         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1365         decls are only used if passes as parameters or if they are
1366         local statics and the call is not to a builtin.
1367         (call_may_clobber_ref_p_1): Likewise.
1368
1369 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1370
1371         * expr.c (do_store_flag): Remove last argument.  Simplify code
1372         to avoid duplication of tests already done by can_compare_p.
1373         (expand_expr_real_1): Adjust caller.
1374
1375 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1376
1377         * optabs.c (can_compare_p): Test the predicate of a
1378         cbranch and cstore pattern.
1379
1380 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1381
1382         * expr.c (convert_move): Use emit_store_flag instead of
1383         "emulating" it.
1384
1385 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1386
1387         * config/i386/i386.c (ix86_compare_emitted): Remove.
1388         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1389         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1390         * config/i386/i386.h (ix86_compare_emitted): Remove.
1391         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1392         instead of ix86_compare_emitted.
1393         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1394
1395 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1396
1397         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1398         Add t-sysroot-suffix to tmake_file.
1399         * config/print-sysroot-suffix.sh: New file.
1400         * config/t-sysroot-suffix: New file.
1401
1402 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1403
1404         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1405         as the latter produces a warning when the target does not support
1406         infinity.
1407
1408 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1409
1410         * dfp.c: Replace type punning assignments with memcpy throughout.
1411         * Makefile.in (dfp.o-warn): Remove.
1412         
1413 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1414
1415         PR target/39634
1416         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1417         Include soft-fp/t-softfp after rs6000/t-linux64.
1418
1419 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1420
1421         * stor-layout.c (set_sizetype): Use the full precision of their
1422         machine mode for bitsize types.
1423
1424 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1425
1426         * config/i386/i386.md: Revert 2 accidental checkins.
1427
1428 2009-04-06  Joey Ye  <joey.ye@intel.com>
1429             Xuepeng Guo <xuepeng.guo@intel.com>
1430             H.J. Lu  <hongjiu.lu@intel.com>
1431
1432         Atom pipeline model, tuning and insn selection.
1433         * config.gcc (atom): Add atom config options and target.
1434
1435         * config/i386/atom.md: New.
1436
1437         * config/i386/i386.c (atom_cost): New cost.
1438         (m_ATOM): New macro flag.
1439         (initial_ix86_tune_features): Set m_ATOM.
1440         (x86_accumulate_outgoing_args): Likewise.
1441         (x86_arch_always_fancy_math_387): Likewise.
1442         (processor_target): Add Atom cost.
1443         (cpu_names): Add Atom cpu name.
1444         (override_options): Set Atom ISA.
1445         (ix86_issue_rate): New case PROCESSOR_ATOM.
1446         (ix86_adjust_cost): Likewise.
1447
1448         * config/i386/i386.h (TARGET_ATOM): New target macro.
1449         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1450         (TARGET_OPT_AGU): New target option.
1451         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1452         (processor_type): Add PROCESSOR_ATOM.
1453
1454         * config/i386/i386.md (cpu): Add new value "atom".
1455         (use_carry, movu): New attr.
1456         (atom.md): Include atom.md.
1457         (adddi3_carry_rex64): Set attr "use_carry".
1458         (addqi3_carry): Likewise.
1459         (addhi3_carry): Likewise.
1460         (addsi3_carry): Likewise.
1461         (*addsi3_carry_zext): Likewise.
1462         (subdi3_carry_rex64): Likewise.
1463         (subqi3_carry): Likewise.
1464         (subhi3_carry): Likewise.
1465         (subsi3_carry): Likewise.
1466         (x86_movdicc_0_m1_rex64): Likewise.
1467         (*x86_movdicc_0_m1_se): Likewise.
1468         (x86_movsicc_0_m1): Likewise.
1469         (*x86_movsicc_0_m1_se): Likewise.
1470         (*adddi_1_rex64): Emit add insn as much as possible.
1471         (*addsi_1): Likewise.
1472         (return_internal): Set atom_unit.
1473         (return_internal_long): Likewise.
1474         (return_pop_internal): Likewise.
1475         (*rcpsf2_sse): Set atom_sse_attr attr.
1476         (*qrt<mode>2_sse): Likewise.
1477         (*prefetch_sse): Likewise.
1478
1479         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1480         PROCESSOR_ATOM.
1481         (ix86_target_macros_internal): Likewise.
1482
1483         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1484         (*prefetch_sse_rex): Likewise.
1485         (sse_rcpv4sf2): Likewise.
1486         (sse_vmrcpv4sf2): Likewise.
1487         (sse_sqrtv4sf2): Likewise.
1488         (<sse>_vmsqrt<mode>2): Likewise.
1489         (sse_ldmxcsr): Likewise.
1490         (sse_stmxcsr): Likewise.
1491         (*sse_sfence): Likewise.
1492         (sse2_clflush): Likewise.
1493         (*sse2_mfence): Likewise.
1494         (*sse2_lfence): Likewise.
1495         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1496         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1497         (avx_movdqu<avxmodesuffix>): Likewise.
1498         (avx_lddqu<avxmodesuffix>): Likewise.
1499         (sse2_movntv2di): Change attr "type" to "ssemov".
1500         (sse2_movntsi): Likewise.
1501         (rsqrtv8sf2): Change attr "type" to "sseadd".
1502         (sse3_addsubv2df3): Set attr "atom_unit".
1503         (sse3_h<plusminus_insn>v4sf3): Likewise.
1504         (*sse2_pmaddwd): Likewise.
1505         (*vec_extractv2di_1_rex64): Likewise.
1506         (*vec_extractv2di_1_avx): Likewise.
1507         (sse2_psadbw): Likewise.
1508         (ssse3_phaddwv8hi3): Likewise.
1509         (ssse3_phaddwv4hi3): Likewise.
1510         (ssse3_phadddv4si3): Likewise.
1511         (ssse3_phadddv2si3): Likewise.
1512         (ssse3_phaddswv8hi3): Likewise.
1513         (ssse3_phaddswv4hi3): Likewise.
1514         (ssse3_phsubwv8hi3): Likewise.
1515         (ssse3_phsubwv4hi3): Likewise.
1516         (ssse3_phsubdv4si3): Likewise.
1517         (ssse3_phsubdv2si3): Likewise.
1518         (ssse3_phsubswv8hi3): Likewise.
1519         (ssse3_phsubswv4hi3): Likewise.
1520         (ssse3_pmaddubsw128): Likewise.
1521         (sse3_pmaddubsw: Likewise.
1522         (ssse3_palignrti): Likewise.
1523         (ssse3_palignrdi): Likewise.
1524
1525 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1526
1527         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1528
1529 2009-04-06  Richard Guenther  <rguenther@suse.de>
1530
1531         PR tree-optimization/28868
1532         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1533         of which PHI results we inserted.
1534         (insert_into_preds_of_block): Record inserted PHIs.
1535         (eliminate): Eliminate redundant PHI nodes.
1536         (init_pre): Init inserted_phi_names.
1537
1538 2009-04-06  Richard Guenther  <rguenther@suse.de>
1539
1540         PR tree-optimization/39643
1541         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1542         IMAGPART_EXPRs of complex constants.
1543         (execute_fold_all_builtins): If we folded a call queue
1544         TODO_update_address_taken.
1545
1546 2009-04-06  Jan Hubicka  <jh@suse.cz>
1547
1548         PR middle-end/39659
1549         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1550         flag.
1551
1552 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1553
1554         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1555         delay slot.
1556         (ic_invalidate_array): Likewise.
1557
1558 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1559
1560         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1561         alignment for library calls.
1562
1563 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1564
1565         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1566         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1567         * config/i386/mingw-stdint.h:  New file.
1568
1569 2009-04-05  Richard Guenther  <rguenther@suse.de>
1570
1571         PR tree-optimization/39648
1572         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1573         our &A vs. &A[0] IL deficiencies.
1574
1575 2009-04-04  Jan Hubicka  <jh@suse.cz>
1576
1577         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1578         removed toplevel regions.
1579         (sjlj_mark_call_sites): Likewise.
1580
1581 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1582
1583         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1584         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1585         * config/i386/cygwin-stdint.h:  New file.
1586
1587 2009-04-04  Richard Guenther  <rguenther@suse.de>
1588
1589         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1590         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1591         single-argument PHIs if we are in loop-closed SSA form.
1592         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1593         for the pre-condition.
1594         (slpeel_tree_peel_loop_to_edge): Likewise.
1595         (vect_build_loop_niters): Take an optional sequence to append stmts.
1596         (vect_generate_tmps_on_preheader): Likewise.
1597         (vect_do_peeling_for_loop_bound): Take extra guards for the
1598         pre-condition.
1599         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1600         the cost model check.
1601         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1602         guards if we are going to peel.  Do not apply versioning in that case.
1603         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1604         (vect_do_peeling_for_loop_bound): Likewise.
1605         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1606         loop bound only record extra pre-conditions, do not apply loop
1607         versioning.
1608
1609 2009-04-04  Richard Guenther  <rguenther@suse.de>
1610
1611         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1612         renaming code.
1613
1614 2009-04-04  Jan Hubicka  <jh@suse.cz>
1615
1616         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1617         last_basic_block for size of bb->index indexed array.
1618         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1619         compute_out, link_btr_uses, build_btr_def_use_webs,
1620         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1621
1622 2009-04-04  Jan Hubicka  <jh@suse.cz>
1623
1624         * except.c (remove_eh_handler_and_replace): Break out from ...
1625         (remove_eh_handler): ... here.
1626         (bring_to_root): New function.
1627         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1628         handled ones, bring others to root of tree.
1629
1630 2009-04-04  Jan Hubicka  <jh@suse.cz>
1631
1632         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1633         (all_phis_safe_to_merge): New function.
1634         (update_info): New structure.
1635         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1636         (cleanup_empty_eh): Update SSA if possible.
1637
1638 2009-04-04  Richard Guenther  <rguenther@suse.de>
1639
1640         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1641         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1642         (append_vuse): Likewise.
1643
1644 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1645
1646         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1647         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1648         instead of REG_UNSAVED for DW_CFA_undefined.
1649         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1650         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1651         outermost frame.
1652
1653 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1654
1655         PR target/39501
1656         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1657         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1658         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1659
1660 2009-04-04  Richard Guenther  <rguenther@suse.de>
1661
1662         PR tree-optimization/8781
1663         PR tree-optimization/37892
1664         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1665         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1666         (valueize_refs): Call it for *& valueizations.
1667         (shared_reference_ops_from_ref): Rename to ...
1668         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1669         (shared_reference_ops_from_call): Rename to ...
1670         (valueize_shared_reference_ops_from_call): ... this and valueize.
1671         (vn_reference_lookup): Update.
1672         (visit_reference_op_call): Likewise.
1673         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1674         (eliminate): Value-replace the call address in call statements.
1675
1676 2009-04-04  Richard Guenther  <rguenther@suse.de>
1677
1678         PR tree-optimization/39636
1679         * tree-ssa-forwprop.c
1680         (forward_propagate_addr_into_variable_array_index): Check for
1681         GIMPLE_ASSIGN before accessing the rhs code.
1682
1683 2009-04-03  Jason Merrill  <jason@redhat.com>
1684
1685         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1686
1687 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1688
1689         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1690         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1691         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1692         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1693         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1694         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1695         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1696         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1697         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1698         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1699         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1700         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1701         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1702         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1703         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1704         Use fr_reg_or_fp01_operand instead of fr_register_operand
1705
1706         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1707         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1708         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1709
1710 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1711
1712         PR rtl-optimization/39607
1713         PR rtl-optimization/39631
1714
1715         Revert:
1716         
1717         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1718         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1719         instead of DF_LR_OUT.
1720         * ira-lives.c (process_bb_node_lives): Ditto.
1721         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1722         instead of DF_LR_{OUT,IN}.
1723         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1724         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1725
1726 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1727
1728         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1729         (execute_lower_omp): Always run but take the short way out if -fopenmp
1730         is not given.
1731         (gate_lower_omp): Remove, forcing the pass manager to always run the
1732         pass and always set PROP_gimple_lomp.
1733         (pass_lower_omp): Remove gate function.
1734         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1735         PROP_trees.  Instead, require it.
1736         * ipa-cp.c (pass_ipa_cp): Likewise.
1737         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1738         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1739         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1740         and PROP_gimple_leh.
1741
1742 2009-04-03  Richard Guenther  <rguenther@suse.de>
1743
1744         PR middle-end/13146
1745         PR tree-optimization/23940
1746         PR tree-optimization/33237
1747         PR middle-end/33974
1748         PR middle-end/34093
1749         PR tree-optimization/36201
1750         PR tree-optimization/36230
1751         PR tree-optimization/38049
1752         PR tree-optimization/38207
1753         PR tree-optimization/38230
1754         PR tree-optimization/38301
1755         PR tree-optimization/38585
1756         PR middle-end/38895
1757         PR tree-optimization/38985
1758         PR tree-optimization/39299
1759         * tree-ssa-structalias.h: Remove.
1760         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1761         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1762         (struct vuse_element_d): Remove.
1763         (struct vuse_vec_d): Likewise.
1764         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1765         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1766         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1767         VUSE_ELEMENT_VAR): Likewise.
1768         (struct voptype_d): Likewise.
1769         (NUM_VOP_FREE_BUCKETS): Likewise.
1770         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1771         (struct stmt_operands_d): Remove.
1772         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1773         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1774         VDEF_NUM, VDEF_VECT): Likewise.
1775         (copy_virtual_operands): Remove.
1776         (operand_build_cmp): Likewise.
1777         (create_ssa_artificial_load_stmt): Likewise.
1778         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1779         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1780         vuse_index and mayuse_index members.  Pack and move done and iter_type
1781         members to the front.
1782         (SSA_OP_VMAYUSE): Remove.
1783         (SSA_OP_VIRTUAL_USES): Adjust.
1784         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1785         (unlink_stmt_vdef): Declare.
1786         (add_to_addressable_set): Remove.
1787         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1788         (vrp_visit_stmt): Likewise.
1789         * doc/tree-ssa.texi (Alias analysis): Update.
1790         * doc/invoke.texi (max-aliased-vops): Remove docs.
1791         (avg-aliased-vops): Likewise.
1792         * tree-into-ssa.c (syms_to_rename): Remove.
1793         (need_to_update_vops_p): Likewise.
1794         (need_to_initialize_update_ssa_p): Rename to ...
1795         (update_ssa_initialized_fn): ... this.  Track function we are
1796         initialized for.
1797         (symbol_marked_for_renaming): Simplify.
1798         (add_new_name_mapping): Do not set need_to_update_vops_p.
1799         (dump_currdefs): Use SYMS_TO_RENAME.
1800         (rewrite_update_stmt): Always walk all uses/defs.
1801         (dump_update_ssa): Adjust.
1802         (init_update_ssa): Take function argument.  Track what we are
1803         initialized for.
1804         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1805         (create_new_def_for): Initialize for cfun, assert we are initialized
1806         for cfun.
1807         (mark_sym_for_renaming): Simplify.
1808         (mark_set_for_renaming): Do not initialize update-ssa.
1809         (need_ssa_update_p): Simplify.  Take function argument.
1810         (name_mappings_registered_p): Assert we ask for the correct function.
1811         (name_registered_for_update_p): Likewise.
1812         (ssa_names_to_replace): Likewise.
1813         (release_ssa_name_after_update_ssa): Likewise.
1814         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1815         (dump_decl_set): Do not print a newline.
1816         (debug_decl_set): Do it here.
1817         (dump_update_ssa): And here.
1818         * tree-ssa-loop-im.c (move_computations): Adjust.
1819         (movement_possibility): Likewise.
1820         (determine_max_movement): Likewise.
1821         (gather_mem_refs_stmt): Likewise.
1822         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1823         or NAME_MEMORY_TAG.
1824         * tree-complex.c (update_all_vops): Remove.
1825         (expand_complex_move): Adjust.
1826         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1827         Simplify test for memory referencing statement.  Exclude
1828         non-invariant ADDR_EXPRs.
1829         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1830         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1831         (rdg_flag_uses): Likewise.
1832         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1833         related code.
1834         (tree_optimize_tail_calls_1): Also split the
1835         edge from the entry block if we have degenerate PHI nodes in
1836         the first basic block.
1837         * tree.c (init_ttree): Remove memory-tag related code.
1838         (tree_code_size): Likewise.
1839         (tree_node_structure): Likewise.
1840         (build7_stat): Re-write to be build6_stat.
1841         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1842         (SSA_VAR_P): Adjust.
1843         (struct tree_memory_tag): Remove.
1844         (struct tree_memory_partition_tag): Likewise.
1845         (union tree_node): Adjust.
1846         (build7): Re-write to be build6.
1847         * tree-pass.h (pass_reset_cc_flags): Remove.
1848         (TODO_update_address_taken): New flag.
1849         (pass_simple_dse): Remove.
1850         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1851         * params.h (MAX_ALIASED_VOPS): Remove.
1852         (AVG_ALIASED_VOPS): Likewise.
1853         * omp-low.c (expand_omp_taskreg): Update SSA form.
1854         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1855         aliases the lhs in a copy stmt.
1856         * tree-ssa-dse.c (struct address_walk_data): Remove.
1857         (memory_ssa_name_same): Likewise.
1858         (memory_address_same): Likewise.
1859         (get_kill_of_stmt_lhs): Likewise.
1860         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1861         unused stores.  Look through PHI nodes into post-dominated regions.
1862         (dse_optimize_stmt): Simplify.  Properly remove stores.
1863         (tree_ssa_dse): Compute dominators.
1864         (execute_simple_dse): Remove.
1865         (pass_simple_dse): Likewise.
1866         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1867         gimple_loaded_syms and gimple_stored_syms computation.
1868         * toplev.c (dump_memory_report): Dump alias and pta stats.
1869         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1870         (vn_reference_eq): Likewise.
1871         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1872         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1873         valueize_vuses): Remove.
1874         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1875         (get_def_ref_stmt_vuse): ... this.
1876         (vn_reference_lookup_2): New function.
1877         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1878         walking equivalent vuses.  Simplify.
1879         (vn_reference_lookup): Likewise.
1880         (vn_reference_insert): Likewise.
1881         (vn_reference_insert_pieces): Likewise.
1882         (visit_reference_op_call): Simplify.
1883         (visit_reference_op_load): Likewise.
1884         (visit_reference_op_store): Likewise.
1885         (init_scc_vn): Remove shared_lookup_vuses initialization.
1886         (free_scc_vn): Remove shared_lookup_vuses freeing.
1887         (sort_vuses, sort_vuses_heap): Remove.
1888         (get_ref_from_reference_ops): Export.
1889         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1890         vector with single vuse pointer.
1891         (vn_reference_lookup_pieces, vn_reference_lookup,
1892         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1893         (shared_vuses_from_stmt): Remove.
1894         (get_ref_from_reference_ops): Declare.
1895         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1896         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1897         memory-tag related code.
1898         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1899         (likely_value): Add comment, skip static-chain of call statements.
1900         (surely_varying_stmt_p): Adjust.
1901         (gimplify_and_update_call_from_tree): Likewise.
1902         (execute_fold_all_builtins): Do not rebuild alias info.
1903         (gimplify_and_update_call_from_tree): Properly update VOPs.
1904         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1905         (copy_ref_info): Remove memory-tag related code.
1906         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1907         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1908         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1909         computation.
1910         * tree-ssa-dom.c (gimple_p): Remove typedef.
1911         (eliminate_redundant_computations): Adjust.
1912         (record_equivalences_from_stmt): Likewise.
1913         (avail_expr_hash): Likewise.
1914         (avail_expr_eq): Likewise.
1915         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1916         (stmt_makes_single_load): Likewise.
1917         (stmt_makes_single_store): Likewise.
1918         * tree-ssa-alias.c: Rewrite completely.
1919         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1920         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1921         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1922         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1923         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1924         Remove public functions.
1925         (pass_reset_cc_flags): Remove.
1926         (pass_build_alias): Move ...
1927         * tree-ssa-structalias.c (pass_build_alias): ... here.
1928         * tree-ssa-alias.c (may_be_aliased): Move ...
1929         * tree-flow-inline.h (may_be_aliased): ... here.
1930         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1931         count_uses_and_derefs): Move ...
1932         * gimple.c: ... here.
1933         * gimple.h (count_uses_and_derefs): Declare.
1934         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1935         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1936         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1937         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1938         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1939         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1940         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1941         New functions.
1942         * tree-dfa.c (refs_may_alias_p): Move ...
1943         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1944         * tree-ssa-alias.h: New file.
1945         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1946         (statement_sink_location): Likewise.
1947         * opts.c (decode_options): Do not adjust max-aliased-vops or
1948         avg-aliased-vops values.
1949         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1950         (TV_CALL_CLOBBER): Likewise.
1951         (TV_FLOW_SENSITIVE): Likewise.
1952         (TV_FLOW_INSENSITIVE): Likewise.
1953         (TV_MEMORY_PARTITIONING): Likewise.
1954         (TV_ALIAS_STMT_WALK): New timevar.
1955         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1956         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1957         (get_address_description): Remove memory-tag related code.
1958         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1959         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1960         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1961         and immediate uses in statements.  Document.
1962         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1963         (dump_symbols): Remove.
1964         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1965         * alias.c (get_deref_alias_set): New function split out from ...
1966         (get_alias_set): ... here.
1967         * alias.h (get_deref_alias_set): Declare.
1968         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1969         type parameter.  Remove restrict pointer handling.  Create a
1970         ref-all pointer in case type-based alias sets do not conflict.
1971         (vect_analyze_data_refs): Remove SMT related code.
1972         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1973         (vectorizable_load): Likewise.
1974         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1975         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1976         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1977         Ignore vops and SMTs.
1978         (dr_analyze_alias): Likewise..
1979         (free_data_ref): Likewise.
1980         (create_data_ref): Likewise.
1981         (analyze_all_data_dependences): Likewise.
1982         (get_references_in_stmt): Adjust.
1983         * tree-flow-inline.h (gimple_aliases_computed_p,
1984         gimple_addressable_vars, gimple_call_clobbered_vars,
1985         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1986         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1987         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1988         gimple_mem_ref_stats): Remove.
1989         (gimple_vop): New function.
1990         (op_iter_next_use): Remove vuses and mayuses cases.
1991         (op_iter_next_def): Remove vdefs case.
1992         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1993         (clear_and_done_ssa_iter): Do not set removed fields.
1994         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
1995         Assert we are not iterating over vuses or vdefs if not also
1996         iterating over uses or defs.
1997         (op_iter_init_use): Likewise.
1998         (op_iter_init_def): Likewise.
1999         (op_iter_next_vdef): Remove.
2000         (op_iter_next_mustdef): Likewise.
2001         (op_iter_init_vdef): Likewise.
2002         (compare_ssa_operands_equal): Likewise.
2003         (link_use_stmts_after): Handle vuse operand.
2004         (is_call_used): Use is_call_clobbered.
2005         (is_call_clobbered): Global variables are always call clobbered,
2006         query the call-clobbers bitmap.
2007         (mark_call_clobbered): Ignore global variables.
2008         (clear_call_clobbered): Likewise.
2009         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2010         virtual operands sanity check.
2011         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2012         Remove.
2013         (TARGET_MEM_REF): Remove TMR_TAG operand.
2014         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2015         Remove call-clobber related code.
2016         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2017         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2018         partitions or escape reason.
2019         (get_single_def_stmt, get_single_def_stmt_from_phi,
2020         get_single_def_stmt_with_phi): Remove.
2021         (dump_referenced_vars): Tidy.
2022         (get_ref_base_and_extent): Allow bare decls.
2023         (collect_dfa_stats): Adjust.
2024         * graphite.c (rename_variables_in_stmt): Adjust.
2025         (graphite_copy_stmts_from_block): Likewise.
2026         (translate_clast): Likewise.
2027         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2028         (EXPR_DIES): New.
2029         (translate_vuse_through_block): Use the oracle.
2030         (phi_translate_1): Adjust.
2031         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2032         in EXPR_DIES.
2033         (valid_in_sets): Check if the VUSE for
2034         a REFERENCE is available.
2035         (eliminate): Do not remove stmts during elimination,
2036         instead queue and remove them afterwards.
2037         (do_pre): Do not rebuild alias info.
2038         (pass_pre): Run TODO_rebuild_alias before PRE.
2039         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2040         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2041         (mark_all_v_defs_stmt): Remove.
2042         (mark_all_v_defs_seq): Adjust.
2043         (sra_replace): Likewise.
2044         (scalarize_use): Likewise.
2045         (scalarize_copy): Likewise.
2046         (scalarize_init): Likewise.
2047         (scalarize_ldst): Likewise.
2048         (todoflags): Remove.
2049         (tree_sra): Do not rebuild alias info.
2050         (tree_sra_early): Adjust.
2051         (pass_sra): Run TODO_update_address_taken before SRA.
2052         * tree-predcom.c (set_alias_info): Remove.
2053         (prepare_initializers_chain): Do not call it.
2054         (mark_virtual_ops_for_renaming): Adjust.
2055         (mark_virtual_ops_for_renaming_list): Remove.
2056         (initialize_root_vars): Adjust.
2057         (initialize_root_vars_lm): Likewise.
2058         (prepare_initializers_chain): Likewise.
2059         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2060         (may_propagate_copy_into_stmt): Likewise.
2061         (merge_alias_info): Do nothing for now.
2062         (propagate_tree_value_into_stmt): Adjust.
2063         (stmt_may_generate_copy): Likewise.
2064         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2065         not mark symbols for renaming.
2066         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2067         with the same statement, make sure to update the new pointed-to one.
2068         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2069         call statements, do not mark symbols for renaming.
2070         (mark_operand_necessary): Dump something.
2071         (ref_may_be_aliased): New function.
2072         (mark_aliased_reaching_defs_necessary_1): New helper function.
2073         (mark_aliased_reaching_defs_necessary): Likewise.
2074         (mark_all_reaching_defs_necessary_1): Likewise.
2075         (mark_all_reaching_defs_necessary): Likewise.
2076         (propagate_necessity): Do not process virtual PHIs.  For
2077         non-aliased loads mark all reaching definitions as necessary.
2078         For aliased loads and stores mark the immediate dominating
2079         aliased clobbers as necessary.
2080         (visited): New global static.
2081         (perform_tree_ssa_dce): Free visited bitmap after propagating
2082         necessity.
2083         (remove_dead_phis): Perform simple dead virtual PHI removal.
2084         (remove_dead_stmt): Properly unlink virtual operands when
2085         removing stores.
2086         (eliminate_unnecessary_stmts): Schedule PHI removal after
2087         stmt removal.
2088         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2089         (process_replaceable): Likewise.
2090         (find_replaceable_in_bb): Likewise.
2091         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2092         based on the single gimple vop.
2093         (verify_flow_insensitive_alias_info): Remove.
2094         (verify_flow_sensitive_alias_info): Likewise.
2095         (verify_call_clobbering): Likewise.
2096         (verify_memory_partitions): Likewise.
2097         (verify_alias_info): Likewise.
2098         (verify_ssa): Adjust..
2099         (execute_update_addresses_taken): Export.  Update SSA
2100         manually.  Optimize only when optimizing.  Use a local bitmap.
2101         (pass_update_address_taken): Remove TODO_update_ssa, add
2102         TODO_dump_func.
2103         (pass_update_address_taken): Just use TODO_update_address_taken.
2104         (init_tree_ssa): Do not initialize addressable_vars.
2105         (verify_ssa): Verify new VUSE / VDEF properties.
2106         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2107         Do not call verify_alias_info.
2108         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2109         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2110         and callused solutions.  Do not free addressable_vars.
2111         Remove memory-tag related code.
2112         (warn_uninitialized_var): Aliases are always available.
2113         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2114         * lambda-code.c (can_put_in_inner_loop): Adjust.
2115         (can_put_after_inner_loop): Likewise.
2116         (perfect_nestify): Likewise.
2117         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2118         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2119         (vectorizable_conversion): Do not mark symbols for renaming.
2120         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2121         (expand_call_inline): Unlink the calls virtual operands before
2122         replacing it.
2123         (tree_function_versioning): Do not call update_ssa if we are not
2124         updating clones.  Simplify.
2125         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2126         (propagate_with_phi): Likewise..
2127         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2128         clobber code.  Assert we are not aliased or global.
2129         * tree-flow.h: Include tree-ssa-alias.h
2130         (enum escape_type): Remove.
2131         (struct mem_sym_stats_d): Likewise.
2132         (struct mem_ref_stats_d): Likewise.
2133         (struct gimple_df): Add vop member.  Remove global_var,
2134         call_clobbered_vars, call_used_vars, addressable_vars,
2135         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2136         escaped and callused members.
2137         (struct ptr_info_def): Remove all members, add points-to solution
2138         member pt.
2139         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2140         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2141         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2142         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2143         (tree-ssa-alias.o): Likewise.
2144         (toplev.o): Add tree-ssa-alias.h
2145         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2146         * gimple.c (gimple_set_bb): Fix off-by-one error.
2147         (is_gimple_reg): Do not handle memory tags.
2148         (gimple_copy): Also copy virtual operands.
2149         Delay updating the statement.  Do not reset loaded and stored syms.
2150         (gimple_set_stored_syms): Remove.
2151         (gimple_set_loaded_syms): Likewise.
2152         (gimple_call_copy_skip_args): Copy the virtual operands
2153         and mark the new statement modified.
2154         * tree-ssa-structalias.c (may_alias_p): Remove.
2155         (set_uids_in_ptset): Take the alias set to prune with as
2156         parameter.  Fold in the alias test of may_alias_p.
2157         (compute_points_to_sets): Compute whether a ptr is dereferenced
2158         in a local sbitmap.
2159         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2160         other ADDRESSOF constraints on the lhs.
2161         (get_constraint_for_component_ref): Assert that we don't get
2162         ADDRESSOF constraints from the base of the reference.
2163         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2164         (struct variable_info): Remove collapsed_to member.
2165         (get_varinfo_fc): Remove.
2166         (new_var_info): Do not set collapsed_to.
2167         (dump_constraint): Do not follow cycles.
2168         (dump_constraint_graph): Likewise.
2169         (build_pred_graph): Likewise.
2170         (build_succ_graph): Likewise.
2171         (rewrite_constraints): Likewise.
2172         (do_simple_structure_copy): Remove.
2173         (do_rhs_deref_structure_copy): Remove.
2174         (do_lhs_deref_structure_copy): Remove.
2175         (collapse_rest_of_var): Remove.
2176         (do_structure_copy): Re-implement.
2177         (pta_stats): New global variable.
2178         (dump_pta_stats): New function.
2179         (struct constraint_expr): Make offset signed.
2180         (UNKNOWN_OFFSET): Define special value.
2181         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2182         (solution_set_expand): New helper function split out from ...
2183         (do_sd_constraint): ... here.
2184         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2185         (do_ds_constraint): Likewise.
2186         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2187         and CALLUSED = *CALLUSED.
2188         (set_union_with_increment): Make inc argument signed.
2189         (type_safe): Remove.
2190         (get_constraint_for_ptr_offset): Handle unknown and negative
2191         constant offsets.
2192         (first_vi_for_offset): Handle offsets before start.  Bail
2193         out early for offsets beyond the variable extent.
2194         (first_or_preceding_vi_for_offset): New function.
2195         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2196         Together with ESCAPED = *ESCAPED this properly computes reachability.
2197         (find_what_var_points_to): New function.
2198         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2199         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2200         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2201         pt_solutions_intersect): New functions.
2202         (compute_call_used_vars): Remove.
2203         (compute_may_aliases): New main entry into PTA computation.
2204         * gimple.h (gimple_p): New typedef.
2205         (struct gimple_statement_base): Remove references_memory_p.
2206         (struct gimple_statement_with_memory_ops_base): Remove
2207         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2208         members.
2209         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2210         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2211         gimple_set_references_memory): Remove.
2212         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2213         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2214         New functions.
2215         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2216         (verify_expr): Allow RESULT_DECL.
2217         (gimple_duplicate_bb): Do not copy virtual operands.
2218         (gimple_duplicate_sese_region): Adjust.
2219         (gimple_duplicate_sese_tail): Likewise.
2220         (mark_virtual_ops_in_region): Remove.
2221         (move_sese_region_to_fn): Do not call it.
2222         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2223         and pass_simple_dse.
2224         (execute_function_todo): Handle TODO_update_address_taken,
2225         call execute_update_addresses_taken for TODO_rebuild_alias.
2226         (execute_todo): Adjust.
2227         (execute_one_pass): Init dump files early.
2228         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2229         call-clobbered.
2230         (create_general_new_stmt): Clear vops.
2231         * tree-ssa-reassoc.c (get_rank): Adjust.
2232         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2233         symbols for renaming.
2234         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2235         (PARAM_AVG_ALIASED_VOPS): Likewise.
2236         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2237         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2238         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2239         (operand_build_cmp, copy_virtual_operands,
2240         create_ssa_artificial_load_stmt, add_to_addressable_set,
2241         gimple_add_to_addresses_taken): Remove public functions.
2242         (unlink_stmt_vdef): New function.
2243
2244 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2245
2246         * config.gcc (powerpc-*-linux*): Merge variants.
2247
2248 2009-04-02  Chao-ying Fu  <fu@mips.com>
2249             James Grosbach <james.grosbach@microchip.com>
2250
2251         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2252         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2253         cop0_sp_offset.
2254         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2255         keep_interrupts_masked_p, use_debug_exception_return_p.
2256         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2257         keep_interrupts_masked, use_debug_exception_return.
2258         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2259         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2260         New functions.
2261         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2262         (mips_print_operand): Process COP0 registers to print $0 .. $31
2263         correctly for GAS to process.
2264         (mips_interrupt_extra_call_saved_reg_p): New function.
2265         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2266         extra registers.
2267         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2268         (mips_compute_frame_info): Add supports for interrupt context that
2269         includes doubleword accumulators and COP0 registers.
2270         (mips_for_each_saved_acc): New function.
2271         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2272         mips_for_each_saved_reg.
2273         (mips_save_reg): Save accumulators.
2274         (mips_kernel_reg_p): A new for_each_rtx callback.
2275         (mips_expand_prologue): Support interrupt handlers.
2276         (mips_restore_reg): Restore accumulators.
2277         (mips_expand_epilogue): Support interrupt handlers.
2278         (mips_can_use_return_insn): Return false for interrupt handlers.
2279         (mips_epilogue_uses): New function.
2280         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2281         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2282         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2283         cop0_move): New instructions.
2284         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2285         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2286         defines.
2287         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2288         New defines.
2289         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2290         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2291         interrupt handlers, we use K0 as the temporary register.
2292         (EPILOGUE_USES): Change to a function call.
2293         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2294         handlers, we use K0 as the temporary register.
2295         
2296         * doc/extend.texi (Function Attributes): Document interrupt,
2297         use_shadow_register_set, keep_interrupts_masked,
2298         use_debug_exception_return for MIPS attributes.
2299
2300 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2301
2302         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2303         Remove a number of t-files from tmake_file.
2304         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2305         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2306         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2307         target_prototype, not TARGET_PROTOTYPE.
2308         (LINK_OS_GNU_SPEC): Define.
2309         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2310         and darwin-ldoubdle.c.
2311
2312 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2313
2314         PR driver/39293
2315         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2316         (cpp_options): Ditto.
2317         (default_compilers): Ditto.
2318         (display_help): Ditto.
2319         (process_command): Ditto.
2320         (do_spec_1): Ditto.
2321         (set_input): Use lbasename instead of duplicate code.
2322         (save_temps_prefix): New static for -save-temps=obj.
2323         (save_temps_length): Ditto.
2324         
2325         * doc/invoke.texi (-save-temps=obj): Document new variant to
2326         -save-temps switch.
2327
2328 2009-04-02  Jeff Law  <law@redhat.com>
2329
2330         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2331         variable.
2332
2333 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2334
2335         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2336         * configure: Regenerated.
2337
2338 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2339
2340         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2341         share the argument list.
2342
2343 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2344
2345         Merge
2346
2347         2009-02-12  Diego Novillo  <dnovillo@google.com>
2348
2349         * varpool.c (debug_varpool): New.
2350         * cgraph.h (debug_varpool): Declare.
2351
2352 2009-04-02  Jan Hubicka  <jh@suse.cz>
2353
2354         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2355         pass.
2356
2357 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2358
2359         * config/i386/i386.c (ix86_abi): Move initialization to ...
2360         (override_options): Here.
2361
2362 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2363
2364         * config/sh/sh.c (sh_dwarf_register_span): New function.
2365         (TARGET_DWARF_REGISTER_SPAN): Define.
2366         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2367         
2368 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2369
2370         PR tree-optimization/39595
2371         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2372         interleaved loads group is not  greater than the SLP group size.
2373
2374 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2375
2376         * builtins.c (is_builtin_name): New.
2377         (called_as_built_in): Use is_builtin_name.
2378         * tree.h (is_builtin_name): New.
2379         * varasm.c (incorporeal_function_p): Use is_builtin_name
2380
2381 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2382
2383         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2384
2385 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2386
2387         PR c++/26693
2388         * c-decl.c (clone_underlying_type): Move this ...
2389         * c-common.c (set_underlying_type): ... here.
2390         Also, make sure the function properly sets TYPE_STUB_DECL() on
2391         the newly created typedef variant type.
2392         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2393         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2394         points.
2395
2396 2009-04-02  Richard Guenther  <rguenther@suse.de>
2397
2398         PR tree-optimization/37221
2399         * tree-flow.h (degenerate_phi_result): Declare.
2400         * tree-ssa-dom.c (degenerate_phi_result): Export.
2401         * tree-scalar-evolution.c (analyze_initial_condition): If
2402         the initial condition is defined by a degenerate PHI node
2403         use the degenerate value.
2404
2405 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2406
2407         PR rtl-optimization/39588
2408         * combine.c (merge_outer_ops): Do not set the constant when this
2409         is not necessary.
2410         (simplify_shift_const_1): Do not modify it either in this case.
2411
2412 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2413
2414         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2415         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2416
2417 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2418
2419         PR c/29027
2420         * c-lex.c (interpret_float): Default (no suffix) is double.
2421
2422 2009-04-1  Xinliang David Li  <davidxl@google.com>
2423
2424         * config/i386/i386.c (legitimate_constant_p): Recognize
2425         all one vector constant.
2426
2427 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2428
2429         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2430         Change #include order to silence two warnings.
2431
2432 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2433
2434         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2435         (ASM_SPEC): Pass -k to the assembler for PIC code.
2436
2437 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2438
2439         * gcc/config.gcc: Add vax-*-linux* to the switch.
2440         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2441         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2442
2443 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2444
2445         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2446         Use predicate macros instead of GET_CODE() == foo.
2447         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2448         ashlsi3, rotrsi3, <unnamed>): Likewise.
2449
2450 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2451
2452         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2453         jbbccihi, jbbccisi): Remova trailing whitespace.
2454         * gcc/config/vax/constraints.md: Likewise.
2455         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2456         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2457         * gcc/config/vax/predicates.md: Likewise.
2458         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2459         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2460         * gcc/config/vax/vax.h: Likewise.
2461         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2462
2463 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2464
2465         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2466         (indirectable_address_p, adjacent_operands_p): Add spaces around
2467         braces.
2468         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2469
2470 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2471
2472         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2473         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2474         index_term_p, reg_plus_index_p, legitimate_address_p,
2475         vax_mode_dependent_address_p): Update comments to match functions
2476         modified by the recent int->bool conversion.
2477
2478 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2479
2480         * gcc/config/vax/builtins.md: Update copyright message.
2481         * gcc/config/vax/constraints.md: Likewise.
2482         * gcc/config/vax/netbsd-elf.h: Likewise.
2483         * gcc/config/vax/predicates.md: Likewise.
2484         * gcc/config/vax/vax-protos.h: Likewise.
2485         * gcc/config/vax/vax.c: Likewise.
2486         * gcc/config/vax/vax.h: Likewise.
2487         * gcc/config/vax/vax.md: Likewise.
2488         * gcc/config/vax/vax.opt: Likewise.
2489
2490 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2491
2492         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2493         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2494         * gcc/config/vax/constraints.md (B, R): Likewise.
2495         * gcc/config/vax/predicates.md (external_memory_operand,
2496         nonimmediate_addsub_di_operand): Likewise.
2497         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2498         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2499         untyped_call): Likewise.
2500
2501 2009-04-01  Matt Thomas <matt@3am-software.com>
2502
2503         * config/vax/predicates.md: New file.
2504         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2505         external_const_operand, nonsymbolic_operand, external_memory_operand,
2506         indirect_memory_operand, indexed_memory_operand,
2507         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2508         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2509         predicate.
2510         * config/vax/constraints.md: New file.
2511         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2512         New constraint.
2513         * config/vax/builtins.md: New file.
2514         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2515         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2516         jbbccisi): Define.
2517         * config/vax/vax.opt (mqmath): Add option.
2518         * config/vax/vax.md (isfx): Extend with DI.
2519         (VAXintQH, VAXintQHSD): Define.
2520         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2521         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2522         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2523         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2524         (movdi): Update constraints and use vax_output_int_move().
2525         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2526         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2527         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2528         nonlocal_goto): New.
2529         (mov<mode>): Extend accepted operand types.
2530         (subdi3_old): Rename from subdi3, change update constraints and use
2531         a new implementation.
2532         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2533         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2534         MOVE_RATIO, CLEAR_RATIO): Define.
2535         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2536         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2537         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2538         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2539         (split_quadword_operands): Make static and really allow variable
2540         splitting.
2541         (print_operand_address): Update for PIC generation.
2542         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2543         indexable_address_p, fixup_mathdi_operand,
2544         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2545         (vax_float_literal, legitimate_constant_p,
2546         indirectable_constant_address_p, index_term_p,
2547         reg_plus_index_p): Return bool instead of int.
2548         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2549         where needed.
2550         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2551         generation.
2552         (vax_output_conditional_branch): Indent.
2553         (legitimate_constant_address_p, indirectable_constant_address_p,
2554         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2555         vax_mode_dependent_address_p): Return bool instead of int, update for
2556         PIC generation.
2557         * config/vax/vax-protos.h (legitimate_constant_address_p,
2558         legitimate_constant_p, legitimate_address_p,
2559         vax_mode_dependent_address_p): Change declaration to bool.
2560         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2561         vax_expand_addsub_di_operands, vax_output_int_subtract,
2562         vax_output_movmemsi): Declare.
2563         (split_quadword_operands, vax_float_literal): Delete declaration.
2564         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2565         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2566         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2567         ASM_OUTPUT_DWARF_PCREL): Define.
2568         (ASM_SPEC): Change definition to allow PIC generation.
2569
2570 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2571
2572         * doc/sourcebuild.texi: Update front-end requirements.
2573
2574 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2575
2576         PR target/39226
2577         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2578         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2579         (booldi3_internal3): Use boolean_or_operator instead of
2580         boolean_operator.
2581
2582 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2583
2584         PR c/39605
2585         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2586         declarator whose size is not an integer constant expression but
2587         folds to an integer constant, then treat it as a constant
2588         subsequently.
2589
2590 2009-04-01  Richard Guenther  <rguenther@suse.de>
2591
2592         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2593         i * 4 + 2 to (i * 2 + 1) * 2.
2594
2595 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2596
2597         PR c/37772
2598         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2599         return if c_parser_asm_string_literal returned NULL.
2600
2601 2009-04-01  Nick Clifton  <nickc@redhat.com>
2602
2603         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2604         already defined.
2605         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2606         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2607         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2608         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2609         include it.
2610         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2611         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2612         then include it.
2613
2614 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2615
2616         * varasm.c (default_function_rodata_section): Declare DOT as
2617         const char*.
2618
2619 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2620             Andrey Galkin <agalkin@hypercom.com>
2621
2622         PR/39492
2623         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2624         Make object_name unique for each process.
2625
2626 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2627
2628         PR other/39591
2629         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2630         addressable variables in the parallel that could go out of scope while
2631         running queued tasks.
2632
2633 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2634
2635         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2636         (CASE_VALUES_THRESHOLD): Redefine.
2637         * config/avr/avr.c (avr_override_options): Remove initialization of
2638         avr_case_values_threshold variable.
2639         (avr_case_values_threshold): Remove variable. Add new function.
2640         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2641         * config/avr/avr.opt (mno-tablejump): Remove option.
2642         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2643
2644 2009-04-01  DJ Delorie  <dj@redhat.com>
2645
2646         * varasm.c (default_function_rodata_section): Don't assume
2647         anything about where the first '.' in the section name is.
2648
2649 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2650
2651         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2652         rs6000_emit_stack_tie.
2653
2654 2009-03-31  Ian Lance Taylor  <iant@google.com>
2655
2656         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2657         gimple_code with GIMPLE_RESX, not RESX.
2658
2659 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2660
2661         * c-common.c (c_get_ident): New.
2662         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2663
2664 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2665
2666         * config/rs6000/sysv4.opt (msdata): Improve option description.
2667
2668 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2669
2670         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2671         (divdf3_internal_lat): Remove.
2672         (divxf3_internal_lat): Remove.
2673         (divxf3_internal_thr): Remove.
2674         (divxf): Use divxf3_internal.
2675         * config/ia64/div.md (divsf3_internal_lat): New.
2676         (divdf3_internal_lat): New.
2677         (divxf3_internal): New.
2678
2679 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2680
2681         PR c/448
2682         * Makefile.in (USE_GCC_STDINT): Define.
2683         (stmp-int-hdrs): Install stdint.h if applicable.
2684         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2685         if known.
2686         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2687         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2688         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2689         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2690         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2691         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2692         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2693         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2694         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2695         (c_common_nodes_and_builtins): Initialize
2696         underlying_wchar_type_node.  Do not initialize
2697         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2698         nodes for new types.
2699         (c_stddef_cpp_builtins): Define macros for new types.
2700         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2701         Remove.
2702         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2703         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2704         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2705         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2706         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2707         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2708         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2709         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2710         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2711         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2712         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2713         int16_type_node, int32_type_node, int64_type_node,
2714         uint8_type_node, uint16_type_node, c_uint32_type_node,
2715         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2716         int_least32_type_node, int_least64_type_node,
2717         uint_least8_type_node, uint_least16_type_node,
2718         uint_least32_type_node, uint_least64_type_node,
2719         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2720         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2721         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2722         uintptr_type_node): Define.
2723         * c-cppbuiltin.c (builtin_define_constants,
2724         builtin_define_type_minmax): New.
2725         (builtin_define_stdint_macros): Define more macros.
2726         (c_cpp_builtins): Define more limit macros.
2727         (type_suffix): New.
2728         (builtin_define_type_max): Define in terms of
2729         builtin_define_type_minmax.  Remove is_long parameter.  All
2730         callers changed.
2731         * config.gcc (use_gcc_stdint): Define.
2732         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2733         Add newlib-stdint.h for generic targets.
2734         * config/glibc-stdint.h, config/newlib-stdint.h,
2735         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2736         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2737         * config/score/score.h (UINTPTR_TYPE): Define.
2738         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2739         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2740         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2741         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2742         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2743         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2744         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2745         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2746         * config/spu/spu.h (STDINT_LONG32): Define.
2747         * configure.ac (use_gcc_stdint): Substitute.
2748         * configure: Regenerate.
2749         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2750         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2751         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2752         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2753         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2754         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2755         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2756         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2757         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2758         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2759         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2760         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2761         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2762         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2763         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2764         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2765         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2766         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2767         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2768         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2769         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2770         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2771         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2772         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2773         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2774         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2775         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2776         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2777         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2778
2779 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2780
2781         * loop-iv.c (suitable_set_for_replacement): Renamed from
2782         simplify_using_assignment; changed to return bool and to accept new
2783         args DEST and SRC.  Return true iff we find a source/destination pair
2784         that can be used to make a replacement, and fill SRC and DEST if so.
2785         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2786         changed.
2787         (simplify_using_initial_values): Deal with altered regs here and track
2788         more precisely the effect they have on the validity of our expression.
2789
2790         * loop-iv.c (simplify_using_condition): A condition of the form
2791         (EQ REG CONST) can be used to simply make a substitution.
2792         (simplify_using_initial_values): Keep track of conditions we have seen
2793         and keep using them to simplify new expressions, while applying the
2794         same substitutions to them as to the expression.
2795
2796         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2797         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2798         GEU/LTU reversed.
2799
2800         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2801         changed.  Use this when trying to improve the upper bound.
2802         Generate the comparison by using simplify_gen_relational.
2803
2804         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2805
2806         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2807         functions.
2808         (simplify_using_assignment, simplify_using_initial_values): Call 
2809         replace_in_expr to make replacements.  Call replace_single_def_regs
2810         once on the initial version of the expression.
2811
2812 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2813
2814         PR target/27237
2815         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2816         
2817 2009-03-31  Richard Guenther  <rguenther@suse.de>
2818
2819         PR middle-end/31029
2820         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2821         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2822
2823 2009-03-31  Richard Guenther  <rguenther@suse.de>
2824
2825         * tree.h (div_if_zero_remainder): Declare.
2826         * fold-const.c (div_if_zero_remainder): Export.
2827         * tree-ssa-forwprop.c
2828         (forward_propagate_addr_into_variable_array_index): Handle
2829         constant array index addition outside of the variable index.
2830
2831 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2832
2833         PR target/39592
2834         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2835         define_splits, floatunssi<mode>2): Require x87 conversions from
2836         DImode to be permitted.
2837
2838 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2839
2840         PR preprocessor/15638
2841         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2842
2843 2009-03-31  Richard Guenther  <rguenther@suse.de>
2844
2845         PR middle-end/23401
2846         PR middle-end/27810
2847         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2848         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2849         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2850         a separate statement.
2851         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2852         (lookup_tmp_var): Likewise.
2853         (is_gimple_formal_tmp_or_call_rhs): Remove.
2854         (is_gimple_reg_or_call_rhs): Rename to ...
2855         (is_gimple_reg_rhs_or_call): ... this.
2856         (is_gimple_mem_or_call_rhs): Rename to ...
2857         (is_gimple_mem_rhs_or_call): ... this.
2858         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2859         DECL_GIMPLE_REG_P only if is_formal is true.
2860         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2861         for non-proper post-modify expression gimplification.
2862         (gimplify_self_mod_expr): For post-modify expressions gimplify
2863         the lvalue to a minimal lvalue.
2864         (rhs_predicate_for): Remove formal temp case.
2865         (gimplify_modify_expr_rhs): Likewise.
2866         (gimplify_addr_expr): Use is_gimple_reg.
2867         (gimplify_expr): Remove formal temp cases.
2868         (gimple_regimplify_operands): Likewise.
2869         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2870         and FILTER_EXPR like constants.
2871         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2872         is_gimple_reg.
2873         (is_gimple_formal_tmp_rhs): Remove.
2874         (is_gimple_reg_rhs): Remove special casing.
2875         (is_gimple_mem_rhs): Fix.
2876         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2877         (is_gimple_formal_tmp_var): Remove.
2878         (is_gimple_formal_tmp_reg): Likewise.
2879         (is_gimple_min_lval): Allow invariant component ref parts.
2880         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2881         is_gimple_formal_tmp_reg): Remove declarations.
2882         * tree-cfg.c (verify_expr): Verify that variables with address
2883         taken do not have DECL_GIMPLE_REG_P set.
2884         * tree-mudflap.c (mf_build_check_statement_for): Use
2885         force_gimple_operand instead of gimplify_expr.
2886
2887 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2888
2889         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2890         schedulable rows to compute_split_row.
2891
2892 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2893
2894         PR target/31635
2895         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2896         OPT_mvrsave.
2897
2898 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2899
2900         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2901         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2902         * configure: Regenerate.
2903         * config.in: Regenerate.
2904         * config/rs6000/rs6000.opt (mtls-markers): Add.
2905         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2906         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2907         (tls_ld_aix, tls_ld_sysv): Likewise.
2908         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2909         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2910
2911 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2912
2913         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2914
2915 2009-03-30  Jan Hubicka  <jh@suse.cz>
2916
2917         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2918         out of RESX.
2919         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2920         detection and label handling.
2921
2922 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2923
2924         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2925         left_conflicts_size.
2926         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2927         ALLOCNO_LEFT_CONFLICTS_SIZE.
2928
2929         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2930         remove_allocno_from_bucket_and_push,
2931         allocno_spill_priority_compare, push_allocnos_to_stack,
2932         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2933         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2934         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2935         setup_allocno_left_conflicts_size.
2936         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2937         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2938         setup_allocno_left_conflicts_size instead of
2939         setup_allocno_left_conflicts_num.
2940
2941         * ira-build.c (ira_create_allocno): Use
2942         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2943         ALLOCNO_LEFT_CONFLICTS_NUM.
2944                 
2945 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2946
2947         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2948         instead of DF_LR_OUT.
2949
2950         * ira-lives.c (process_bb_node_lives): Ditto.
2951
2952         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2953         instead of DF_LR_{OUT,IN}.
2954
2955         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2956
2957         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2958
2959 2009-03-30  Jan Hubicka  <jh@suse.cz>
2960
2961         * except.c (label_to_region_map): Fix thinko.
2962
2963 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2964
2965         PR middle-end/38237
2966         * tree.h (tree_find_value): New declaration.
2967         * tree.c (tree_find_value): New function.
2968         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2969
2970 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2971
2972         PR debug/39563
2973         * c-decl.c (struct c_binding): Add locus field.
2974         (bind): Add locus argument, set locus field from it.
2975         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2976         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2977         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2978         implicitly_declare, undeclared_variable, lookup_label,
2979         declare_label, c_make_fname_decl, c_builtin_function,
2980         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2981         bind callers.
2982
2983 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2984
2985         PR target/38781
2986         * config/i386/i386.c (classify_argument): Check total size of
2987         structure.
2988
2989 2009-03-30  Martin Jambor  <mjambor@suse.cz>
2990
2991         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2992         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2993         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2994         respectively.
2995
2996         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2997         seen_variable_array_ref while also traversing a union.
2998
2999         * tree-inline.c (optimize_inline_calls): Do not call
3000         cgraph_node_remove_callees.
3001         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3002         (pass_remove_cgraph_callee_edges): New variable.
3003         * passes.c (init_optimization_passes): Add
3004         pass_remove_cgraph_callee_edges after early inlining and before all
3005         late intraprocedural passes.
3006
3007         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3008
3009 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3010
3011         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3012         Fix typos in names.
3013
3014 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3015
3016         * combine.c (simplify_comparison): Use have_insn_for.
3017         * dojump.c (do_jump): Likewise.
3018
3019 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3020
3021         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3022         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3023         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3024         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3025         instead of sparc_compare_emitted.
3026         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3027         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3028         instead of sparc_compare_emitted.
3029
3030 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3031
3032         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3033         enter/exit cfglayout mode.
3034         (pass_partition_block): Require it.
3035         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3036         (combine_instructions): Track basic blocks instead of labels.
3037         (update_cfg_for_uncondjump): New.
3038         (try_combine): Use it.  Update jumps after rescanning.
3039         (pass_combine): Require PROP_cfglayout.
3040         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3041
3042 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3043
3044         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3045         Provide/destroy PROP_cfglayout respectively.
3046         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3047         * tree-pass.h (PROP_cfglayout): New.
3048
3049 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3050
3051         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3052         fold_convert_const_fixed_from_fixed,
3053         fold_convert_const_fixed_from_int,
3054         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3055         set TREE_CONSTANT_OVERFLOW.
3056         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3057         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3058
3059 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3060
3061         * tree-vect-loop-manip.c: New file.
3062         * tree-vectorizer.c: Update documentation and included files.
3063         (vect_loop_location): Make extern.
3064         (rename_use_op): Move to tree-vect-loop-manip.c
3065         (rename_variables_in_bb, rename_variables_in_loop, 
3066         slpeel_update_phis_for_duplicate_loop, 
3067         slpeel_update_phi_nodes_for_guard1,
3068         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3069         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3070         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3071         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3072         find_loop_location): Likewise.
3073         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3074         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3075         get_vectype_for_scalar_type, vect_is_simple_use,
3076         supportable_widening_operation, supportable_narrowing_operation):
3077         Likewise.
3078         (bb_in_loop_p): Move to tree-vect-loop.c.
3079         (new_loop_vec_info, destroy_loop_vec_info, 
3080         reduction_code_for_scalar_code, report_vect_op, 
3081         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3082         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3083         (vect_supportable_dr_alignment): Likewise.
3084         * tree-vectorizer.h (tree-data-ref.h): Include.
3085         (vect_loop_location): Declare.
3086         Reorganize function declarations according to the new file structure.
3087         * tree-vect-loop.c: New file.
3088         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3089         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3090         * tree-vect-data-refs.c: New file.
3091         * tree-vect-patterns.c (timevar.h): Don't include.
3092         * tree-vect-stmts.c: New file.
3093         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3094         tree-vect-slp.c, tree-vect-loop.c.
3095         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3096         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3097         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3098         (tree-vect-analyze.o): Remove.
3099         (tree-vect-transform.o): Likewise.
3100         (tree-vect-data-refs.o): Add rule.
3101         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3102         tree-vect-slp.o): Likewise.
3103         (tree-vect-patterns.o): Remove redundant dependencies.
3104         (tree-vectorizer.o): Likewise.
3105         * tree-vect-slp.c: New file.
3106
3107 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3108
3109         * optc-gen.awk: Warn if an option flag has multiple different
3110         help strings.
3111
3112 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3113
3114         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3115         -floop-block): Document dependences on PPL, CLooG and Graphite.
3116
3117 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3118
3119         PR rtl-optimization/323
3120         * c-common.c (c_fully_fold, convert_and_check,
3121         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3122         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3123         * c-common.def (EXCESS_PRECISION_EXPR): New.
3124         * c-cppbuiltin.c (builtin_define_float_constants): Define
3125         constants with enough digits for long double.
3126         * c-lex.c (interpret_float): Interpret constant with excess
3127         precision where appropriate.
3128         * c-opts.c (c_common_post_options): Set
3129         flag_excess_precision_cmdline.  Give an error for
3130         -fexcess-precision=standard for C++ for processors where the
3131         option is significant.
3132         * c-parser.c (c_parser_conditional_expression): Handle excess
3133         precision in condition.
3134         * c-typeck.c (convert_arguments): Handle arguments with excess
3135         precision.
3136         (build_unary_op): Move excess precision outside operation.
3137         (build_conditional_expr): Likewise.
3138         (build_compound_expr): Likewise.
3139         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3140         (build_modify_expr): Handle excess precision in RHS.
3141         (convert_for_assignment): Handle excess precision in converted
3142         value.
3143         (digest_init, output_init_element, process_init_element): Handle
3144         excess precision in initializer.
3145         (c_finish_return): Handle excess precision in return value.
3146         (build_binary_op): Handle excess precision in operands and add
3147         excess precision as needed for operation.
3148         * common.opt (-fexcess-precision=): New option.
3149         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3150         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3151         For standard excess precision, output explicit conversion to and
3152         truncation from XFmode.
3153         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3154         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3155         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3156         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3157         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3158         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3159         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3160         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3161         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3162         define_splits, sqrt<mode>2): Disable where appropriate for
3163         standard excess precision.
3164         * convert.c (convert_to_real): Do not shorten arithmetic to type
3165         for which excess precision would be used.
3166         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3167         * doc/invoke.texi (-fexcess-precision=): Document option.
3168         (-mfpmath=): Correct index entry.
3169         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3170         flag_excess_precision): New.
3171         * langhooks.c (lhd_post_options): Set
3172         flag_excess_precision_cmdline.
3173         * opts.c (common_handle_option): Handle -fexcess-precision=.
3174         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3175         init_excess_precision): New.
3176         (lang_dependent_init_target): Call init_excess_precision.
3177         * tree.c (excess_precision_type): New.
3178         * tree.h (excess_precision_type): Declare.
3179
3180 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3181
3182         PR c/35235
3183         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3184         non-lvalue to component.
3185
3186 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3187
3188         PR preprocessor/34695
3189         * Makefile.in (c-opts.o): Depend on c-tree.h.
3190         * c-common.c: Move down include of diagnostic.h.
3191         (done_lexing, c_cpp_error): New.
3192         * c-common.h (done_lexing): Declare.
3193         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3194         (parse_in).
3195         * c-opts.c: Include c-tree.h.
3196         (c_common_init_options): Set preprocessor error callback.
3197         (c_common_handle_option): Do not set preprocessor
3198         inhibit_warnings, warnings_are_errors, warn_system_headers,
3199         pedantic_errors or inhibit_warnings flags.
3200         (c_common_post_options): Do not check cpp_errors (parse_in).
3201         (c_common_finish): Do not output dependencies if there were
3202         errors.  Do not check return value of cpp_finish.
3203         * c-ppoutput.c (pp_file_change): Set input_location.
3204         * c-tree.h (c_cpp_error): Declare.
3205         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3206         override_column.
3207         (diagnostic_build_prefix): Check override_column.
3208         * diagnostic.h (diagnostic_info): Add override_column field.
3209         (diagnostic_override_column): Define.
3210
3211 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3212
3213         * c-common.c (c_expand_expr, c_staticp): Remove.
3214         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3215         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3216         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3217         * c-gimplify.c (gimplify_compound_literal_expr,
3218         optimize_compound_literals_in_ctor): Remove.
3219         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3220         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3221         * c-semantics.c (emit_local_var): Remove.
3222
3223         * langhooks-def.h (lhd_expand_expr): Remove.
3224         * langhooks.c (lhd_expand_expr): Remove.
3225         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3226
3227         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3228         handling from c-semantics.c; don't call into langhook.
3229         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3230         * gimplify.c (gimplify_compound_literal_expr,
3231         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3232         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3233         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3234         as was done in c-gimplify.c.
3235         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3236         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3237         Move from c-common.h.
3238         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3239
3240         * tree.c (staticp): Do not call langhook.
3241         * langhooks.c (lhd_staticp): Delete.
3242         * langhooks-def.h (lhd_staticp): Delete prototype.
3243         (LANG_HOOKS_STATICP): Delete.
3244         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3245
3246         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3247         instead of DECL_STMTs.
3248
3249 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3250
3251         PR c/456
3252         PR c/5675
3253         PR c/19976
3254         PR c/29116
3255         PR c/31871
3256         PR c/35198
3257         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3258         void_type_node.
3259         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3260         contained expression.
3261         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3262         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3263         conditional expressions for C.
3264         (decl_constant_value_for_optimization): Move from
3265         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3266         whether optimizing and that the expression is a VAR_DECL not of
3267         array type instead of doing such checks in the caller.  Do not
3268         check pedantic.  Call gcc_unreachable for C++.
3269         * c-common.def (C_MAYBE_CONST_EXPR): New.
3270         * c-common.h (c_fully_fold, c_save_expr,
3271         decl_constant_value_for_optimization): New prototypes.
3272         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3273         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3274         EXPR_INT_CONST_OPERANDS): Define.
3275         * c-convert.c (convert): Strip nops from expression.
3276         * c-decl.c (groktypename): Take extra parameters expr and
3277         expr_const_operands.  Update call to grokdeclarator.
3278         (start_decl): Update call to grokdeclarator.  Add statement for
3279         expressions used in type of decl.
3280         (grokparm): Update call to grokdeclarator.
3281         (push_parm_decl): Update call to grokdeclarator.
3282         (build_compound_literal): Add parameter non_const and build a
3283         C_MAYBE_COSNT_EXPR if applicable.
3284         (grokdeclarator): Take extra parameters expr and
3285         expr_const_operands.  Track expressions used in declaration
3286         specifiers and declarators.  Fold array sizes and track whether
3287         they are constant expressions and whether they are integer
3288         constant expressions.
3289         (parser_xref_tag): Set expr and expr_const_operands fields in
3290         return value.
3291         (grokfield): Update call to grokdeclarator.
3292         (start_function): Update call to grokdeclarator.
3293         (build_null_declspecs): Set expr and expr_const_operands fields in
3294         return value.
3295         (declspecs_add_type): Handle expressions in typeof specifiers.
3296         * c-parser.c (c_parser_declspecs): Set expr and
3297         expr_const_operands fields for declaration specifiers.
3298         (c_parser_enum_specifier): Likewise.
3299         (c_parser_struct_or_union_specifier): Likewise.
3300         (c_parser_typeof_specifier): Likewise.  Update call to
3301         groktypename.  Fold expression as needed.  Return expressions with
3302         type instead of adding statements.
3303         (c_parser_attributes): Update calls to c_parser_expr_list.
3304         (c_parser_statement_after_labels): Fold expression before passing
3305         to objc_build_throw_stmt.
3306         (c_parser_condition): Fold expression.
3307         (c_parser_asm_operands): Fold expression.
3308         (c_parser_conditional_expression): Use c_save_expr.  Update call
3309         to build_conditional_expr.
3310         (c_parser_alignof_expression): Update call to groktypename.
3311         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3312         original_code.  Fold expression argument of va_arg.  Create
3313         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3314         argument to va_arg.  Update calls to groktypename.  Fold array
3315         index for offsetof.  Verify that first argument to
3316         __builtin_choose_expr has integer type.
3317         (c_parser_postfix_expression_after_paren_type): Update calls to
3318         groktypename and build_compound_literal.  Handle expressions with
3319         side effects in type name.
3320         (c_parser_postfix_expression_after_primary): Update call to
3321         c_parser_expr_list.  Set original_code for calls to
3322         __builtin_constant_p.
3323         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3324         expressions if requested.
3325         (c_parser_objc_type_name): Update call to groktypename.
3326         (c_parser_objc_synchronized_statement): Fold expression.
3327         (c_parser_objc_receiver): Fold expression.
3328         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3329         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3330         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3331         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3332         (struct c_typespec): Add elements expr and expr_const_operands.
3333         (struct c_declspecs): Add elements expr and expr_const_operands.
3334         (groktypename, build_conditional_expr, build_compound_literal):
3335         Update prototypes.
3336         (in_late_binary_op): Declare.
3337         * c-typeck.c (note_integer_operands): New function.
3338         (in_late_binary_op): New variable.
3339         (decl_constant_value_for_broken_optimization): Move to c-common.c
3340         and rename to decl_constant_value_for_optimization.
3341         (default_function_array_conversion): Do not strip nops.
3342         (default_conversion): Do not call
3343         decl_constant_value_for_broken_optimization.
3344         (build_array_ref): Do not fold result.
3345         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3346         result when operand is a VLA.
3347         (c_expr_sizeof_type): Update call to groktypename.  Handle
3348         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3349         result when operand names a VLA type.
3350         (build_function_call): Update call to build_compound_literal.
3351         Only fold result for calls to __builtin_* functions.  Strip
3352         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3353         the function designator.
3354         (convert_arguments): Fold arguments.  Update call to
3355         convert_for_assignment.
3356         (build_unary_op): Handle increment and decrement of
3357         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3358         decrement earlier.  Fold operand of increment and decrement.
3359         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3360         built for integer operand.  Wrap returns that are INTEGER_CSTs
3361         without being integer constant expressions or that have integer
3362         constant operands without being INTEGER_CSTs.
3363         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3364         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3365         result is an integer constant expression or can be used in
3366         unevaluated parts of one and avoid folding and wrap as
3367         appropriate.  Fold operands before possibly doing -Wsign-compare
3368         warnings.
3369         (build_compound_expr): Wrap result for C99 if operands can be used
3370         in integer constant expressions.
3371         (build_c_cast): Update call to digest_init.  Do not ignore
3372         overflow from casting floating-point constants to integers.  Wrap
3373         results that could be confused with integer constant expressions,
3374         null pointer constants or floating-point constants.
3375         (c_cast_expr): Update call to groktypename.  Handle expressions
3376         included in type name.
3377         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3378         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3379         Update calls to convert_for_assignment.
3380         (convert_for_assignment): Take new parameter
3381         null_pointer_constant.  Do not strip nops or call
3382         decl_constant_value_for_broken_optimization.  Set
3383         in_late_binary_op for conversions to boolean.
3384         (store_init_value): Update call to digest_init.
3385         (digest_init): Take new parameter null_pointer_constant.  Do not
3386         call decl_constant_value_for_broken_optimization.  pedwarn for
3387         initializers not constant expressions.  Update calls to
3388         convert_for_assignment.
3389         (constructor_nonconst): New.
3390         (struct constructor_stack): Add nonconst element.
3391         (really_start_incremental_init, push_init_level, pop_init_level):
3392         Handle constructor_nonconst and nonconst element.
3393         (set_init_index): Call constant_expression_warning for array
3394         designators.
3395         (output_init_element): Fold value.  Set constructor_nonconst as
3396         applicable.  pedwarn for initializers not constant expressions.
3397         Update call to digest_init.  Call constant_expression_warning
3398         where constant initializers are required.
3399         (process_init_element): Use c_save_expr.
3400         (c_finish_goto_ptr): Fold expression.
3401         (c_finish_return): Fold return value.  Update call to
3402         convert_for_assignment.
3403         (c_start_case): Fold switch expression.
3404         (c_process_expr_stmt): Fold expression.
3405         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3406         ensure statement expression is not evaluated in constant expression.
3407         (build_binary_op): Track whether results are integer constant
3408         expressions or may occur in such, disable folding and wrap results
3409         as applicable.  Fold operands for -Wsign-compare warnings unless
3410         in_late_binary_op.
3411         (c_objc_common_truthvalue_conversion): Handle results folded to
3412         integer constants that are not integer constant expressions.
3413         * doc/extend.texi: Document when typeof operands are evaluated,
3414         that condition of __builtin_choose_expr is an integer constant
3415         expression, and more about use of __builtin_constant_p in
3416         initializers.
3417
3418 2009-03-29  Richard Guenther  <rguenther@suse.de>
3419
3420         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3421         propagate addresses of array references.
3422
3423 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3424
3425         * regmove.c (perhaps_ends_bb_p): Remove.
3426         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3427         from INSN and check that the main loop stays within that basic block.
3428         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3429         (regmove_forward_pass): Split out from regmove_optimize.  Use
3430         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3431         (regmove_backward_pass): Split out from regmove_optimize.  Use
3432         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3433         (regmove_optimize): Simplify.
3434
3435 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3436
3437         PR target/39545
3438         * config/i386/i386.c (classify_argument): Ignore flexible array
3439         member in struct and warn ABI change.
3440
3441 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3442
3443         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3444
3445         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3446         (ix86_adjust_cost): Updated.
3447
3448 2009-03-29  Jan Hubicka  <jh@suse.cz>
3449
3450         PR middle-end/28850
3451         * tree-pass.h (pass_cleanup_eh): New function.
3452         (remove_unreachable_regions): Break code handling RTL
3453         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3454         that can not be reached by runtime.
3455         (can_be_reached_by_runtime): New function.
3456         (label_to_region_map): New function.
3457         (num_eh_regions): New function.
3458         (rtl_remove_unreachable_regions): New function.
3459         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3460         (remove_eh_region): New function.
3461         * except.h: Include sbitmap and vecprim.
3462         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3463         num_eh_regions): Declare.
3464         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3465         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3466         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3467         (tree_empty_eh_handler_p): New function.
3468         (cleanup_empty_eh): New function.
3469         (cleanup_eh): New function.
3470         (pass_cleanup_eh): New function.
3471
3472 2009-03-29  Jan Hubicka  <jh@suse.cz>
3473
3474         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3475         for removed regions.
3476
3477 2009-03-29  Jan Hubicka  <jh@suse.cz>
3478
3479         * except.c (dump_eh_tree): Dump all datastructures.
3480
3481 2009-03-29  Jan Hubicka  <jh@suse.cz>
3482
3483         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3484         (duplicate_eh_regions_1): Likewise.
3485         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3486         vector; call EH verification.
3487         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3488         Be ready for region being removed.
3489
3490 2009-03-29  Jan Hubicka  <jh@suse.cz>
3491
3492         * bitmap.c (bitmap_last_set_bit): New function.
3493         * bitmap.h (bitmap_last_set_bit): Declare.
3494
3495 2009-03-29  David Ayers  <ayers@fsfe.org>
3496
3497         PR objc/27377
3498         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3499         by calling objc_compare_types and surpress warnings about
3500         incompatible C pointers that are compatible ObjC pointers.
3501         
3502 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3503
3504         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3505         call initialize_inline_failed.
3506         (initialize_inline_failed): Move it from here ...
3507         * cgraph.c (initialize_inline_failed): ... to here.
3508         (cgraph_create_edge): Call initialize_inline_failed rather than
3509         setting inline_failed directly.
3510
3511 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3512
3513         PR target/32542
3514         * sysv4.opt (msdata): Improve comment.
3515         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3516         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3517
3518 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3519
3520         PR target/30451
3521         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3522         load and store attributes.
3523
3524 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3525
3526         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3527         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3528         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3529         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3530         __builtin_infq and __builtin_huge_valq.
3531
3532 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3533
3534         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3535         atmega8m1 devices.
3536         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3537         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3538
3539 2009-03-28  Xinliang David Li  <davidxl@google.com>
3540
3541         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3542         (do_dbg_cnt): New function.
3543
3544 2009-03-28  Jan Hubicka  <jh@suse.cz>
3545
3546         Merge from pretty-ipa:
3547
3548         2009-03-27  Jan Hubicka  <jh@suse.cz>
3549
3550         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3551         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3552         * passes.c (function_called_by_processed_nodes_p): New.
3553         * ipa-pure-const.c (check_call): Fix handling of operands.
3554         (analyze_function): Dump debug output for skipped bodies.
3555         (local_pure_const): Use function_called_by_processed_nodes_p.
3556         * dwarf2out.c (reference_to_unused): Use output.
3557         * passes.c (do_per_function_toporder): Likewise.
3558
3559         2008-11-12  Jan Hubicka  <jh@suse.cz>
3560
3561         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3562         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3563         state_set_in_source enum
3564         (check_decl): Ignore memory tags; do not set fake looping flags;
3565         dump diagnostics.
3566         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3567         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3568         (check_call, analyze_function): Rewrite.
3569         (check_stmt): New.
3570         (add_new_function): Update call of analyze_function.
3571         (generate_summary): Add call of analyze_function.
3572         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3573         (local_pure_const): New function.
3574         (pass_local_pure_const): New pass.
3575         * ipa-inline.c (inline_transform): Set after_inlining.
3576         * tree-eh.c (stmt_can_throw_external): New.
3577         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3578         work with aliasing built.
3579         * tree-flow.h (stmt_can_throw_external): New.
3580         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3581         and local pure/const pass in early and late optimization queue.
3582
3583 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3584
3585         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3586         allow_func_align.
3587         (fold_binary): Allow function decl aligment consideration is the
3588         second argument is integer constant one.
3589         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3590         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3591         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3592
3593 2009-03-28  Jan Hubicka  <jh@suse.cz>
3594
3595         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3596         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3597         * function.h (rtl_data): Add nothrow flag.
3598         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3599         set DECL_NOTHROW for AVAILABLE functions.
3600
3601 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3602
3603         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3604         following vector keyword has expansion starting with pixel or bool
3605         keyword, expand vector to __vector and pixel or bool to __pixel or
3606         __bool.
3607
3608         PR c++/39554
3609         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3610         warn_if_disallowed_function_p): Removed.
3611         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3612         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3613         warning_if_disallowed_function_p.
3614         * flags.h (warn_if_disallowed_function_p,
3615         warn_disallowed_functions): Removed.
3616         * common.opt (Wdisallowed-function-list=): Removed.
3617         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3618
3619 2009-03-28  Richard Guenther  <rguenther@suse.de>
3620
3621         PR tree-optimization/38723
3622         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3623         the entry block.
3624
3625 2009-03-28  Jan Hubicka  <jh@suse.cz>
3626
3627         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3628         test introduced by my previous patch.
3629
3630 2009-03-28  Richard Guenther  <rguenther@suse.de>
3631
3632         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3633         the PHIs value undefined.
3634
3635 2009-03-28  Jan Hubicka  <jh@suse.cz>
3636
3637         * tree-pass.h (pass_fixup_cfg): New pass.
3638         * ipa-inline.c (inline_transform): Set
3639         always_inline_functions_inlined/after_inlining.
3640         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3641         (pass_fixup_cfg): New pass.
3642         * passes.c (init_optimization_passes): Add fixup_cfg.
3643
3644 2009-03-28  Richard Guenther  <rguenther@suse.de>
3645
3646         PR tree-optimization/38458
3647         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3648         argument use the arguments copy-of value.
3649
3650 2009-03-28  Richard Guenther  <rguenther@suse.de>
3651
3652         PR tree-optimization/38180
3653         * tree-ssa-ccp.c (get_default_value): Simplify.
3654         (likely_value): Likewise.
3655         (surely_varying_stmt_p): Properly handle VOP case.
3656         (ccp_initialize): Likewise.
3657         (ccp_fold): Handle propagating through *&.
3658         (fold_const_aggregate_ref): Also handle decls.
3659
3660 2009-03-28  Jan Hubicka  <jh@suse.cz>
3661
3662         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3663         * cgraph.h (cgraph_node): Likewise.
3664         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3665         (cgraph_reset_node): Use process flag.
3666         (cgraph_mark_functions_to_output): Likewise.
3667         (cgraph_expand_function): Likewise.
3668         (cgraph_expand_all_functions): Likewise.
3669         (cgraph_output_in_order): Likewise.
3670         * dwarf2out.c (reference_to_unused): Likewise.
3671         * passes.c do_per_function_toporder): Likewise.
3672
3673 2009-03-28  Jan Hubicka  <jh@suse.cz>
3674
3675         Bring from lto-branch:
3676
3677         2008-09-03  Doug Kwan  <dougkwan@google.com>
3678
3679         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3680         enums instead of reason strings.
3681         * cgraph.c (cgraph_create_edge): Same.
3682         (cgraph_inline_failed_string): New function.
3683         * cgraph.h (cgraph_inline_failed_t): New enum type.
3684         (cgraph_inline_failed_string): New prototype.
3685         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3686         char pointer to cgraph_inline_failed_t.
3687         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3688         (cgraph_default_inline_p): Ditto.
3689         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3690         to cgraph_inline_failed_t pointer.
3691         * cif-code.def: New file.
3692         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3693         reason string.
3694         (cgraph_check_inline_limits): Change type of REASON to pointer to
3695         cgraph_inline_failed_t.  Replace reason strings with enums.
3696         (cgraph_default_inline_p): Ditto.
3697         (cgraph_recursive_inlining_p): Ditto.
3698         (update_caller_keys): Change type of FAILED_REASON to
3699         cgraph_inline_failed_t.
3700         (cgraph_set_inline_failed): Change type of REASON to pointer to
3701         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3702         convert enums to strings for text output.
3703         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3704         to be of type cgraph_inline_failed_t.  Replace reason strings with
3705         enums.  Call cgraph_inline_failed_string to covert enums
3706         to strings for text output.
3707         (cgraph_decide_inlining): Replace reason strings with enums.
3708         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3709         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3710         for text output.
3711         * tree-inline.c (expand_call_inline): Change type of REASON
3712         to cgraph_inline_failed_t.  Replace reason strings with enums.
3713         Call cgraph_inline_failed_string for text output.
3714         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3715         (cgraph.o): Ditto.
3716
3717 2009-03-28  Jan Hubicka  <jh@suse.cz>
3718
3719         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3720         cgraph_clone_node): Remove master clone handling.
3721         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3722         * cgraph.h (master_clone): Remove.
3723         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3724         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3725         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3726
3727 2009-03-28  Jan Hubicka  <jh@suse.cz>
3728
3729         * cgraph.c (cgraph_function_body_availability): Functions declared
3730         inline are always safe to assume that it is not going to be replaced.
3731
3732 2009-03-28  Richard Guenther  <rguenther@suse.de>
3733
3734         PR tree-optimization/38513
3735         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3736         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3737         EXC_PTR_EXPR and FILTER_EXPR.
3738         (get_ref_from_reference_ops): Likewise.
3739
3740 2009-03-28  Richard Guenther  <rguenther@suse.de>
3741
3742         PR tree-optimization/38968
3743         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3744         Use FLOOR_MOD_EXPR to compute misalignment.
3745
3746 2009-03-28  Richard Guenther  <rguenther@suse.de>
3747
3748         PR tree-optimization/37795
3749         * tree.h (combine_comparisons): Declare.
3750         * fold-const.c (combine_comparisons): Export.
3751         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3752         comparisons.
3753         (ifcombine_iforif): Use combine_comparisons.
3754
3755 2009-03-28  Jan Hubicka  <jh@suse.cz>
3756
3757         * tree-eh.c (inlinable_call_p): New function.
3758         (make_eh_edges): Use it.
3759         (verify_eh_edges): Use it.
3760         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3761         * except.c (reachable_next_level): Add inlinable_function argument
3762         (sjlj_find_directly_reachable_regions): Update.
3763         (add_reachable_handler): Do not set saw_any_handlers.
3764         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3765         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3766         Add new inlinable call parameter.
3767         (can_throw_internal, can_throw_external): Update.
3768         * except.h (can_throw_internal_1, can_throw_external_1,
3769         foreach_reachable_handler): Update declaration.
3770
3771 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3772
3773         * config/arm/t-arm-coff, config/h8300/coff.h,
3774         config/i386/i386-aout.h, config/i386/i386-coff.h,
3775         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3776         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3777         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3778         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3779         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3780         sys-types.h: Remove.
3781         * Makefile.in: Remove protoize and fixproto support and references
3782         in comments.
3783         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3784         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3785         Remove.
3786         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3787         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3788         unprotoize$(exeext).
3789         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3790         (.PHONY): Don't depend on proto.
3791         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3792         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3793         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3794         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3795         build/gen-protos.o, build/scan.o, xsys-protos.h,
3796         build/fix-header$(build_exeext), build/fix-header.o,
3797         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3798         stmp-install-fixproto): Remove.
3799         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3800         SYSCALLS.c or fixproto files.
3801         (install-common): Don't install protoize.
3802         (install-headers-tar, install-headers-cpio, install-headers-cp):
3803         Don't depend on $(STMP_FIXPROTO).
3804         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3805         install fixproto files or write out fixproto settings.
3806         (uninstall): Don't uninstall protoize.
3807         * config.gcc (use_fixproto): Remove.
3808         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3809         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3810         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3811         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3812         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3813         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3814         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3815         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3816         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3817         * config/t-vxworks (STMP_FIXPROTO): Remove.
3818         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3819         STMP_FIXPROTO): Remove.
3820         * config.in, configure: Regenerate.
3821         * crtstuff.c (gid_t, uid_t): Don't undefine.
3822         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3823         (arm-*-coff, arm-*-aout: Remove target entries.
3824         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3825         Remove mention of AIX 4.1.
3826         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3827         * doc/invoke.texi (Running Protoize): Remove.
3828         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3829         (Protoize Caveats): Remove.
3830         * tsystem.h: Update comments on headers assumed to exist.
3831
3832 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3833
3834         * genautomata.c: Add a new year to the copyright.  Add a new
3835         reference.
3836         (struct insn_reserv_decl): Add comments for member bypass_list.
3837         (find_bypass): Remove.
3838         (insert_bypass): New.
3839         (process_decls): Use insert_bypass.
3840         (output_internal_insn_latency_func): Output all bypasses with the
3841         same input insn in one switch case.
3842
3843         * rtl.def (define_bypass): Describe bypass choice.
3844         * doc/md.texi (define_bypass): Ditto.
3845
3846 2009-03-27  Richard Guenther  <rguenther@suse.de>
3847
3848         * gimplify.c (mark_addressable): Export.
3849         * tree-flow.h (mark_addressable): Declare.
3850         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3851         * tree-ssa.c (verify_phi_args): Verify that address taken
3852         variables have TREE_ADDRESSABLE set.
3853
3854 2009-03-27  Richard Guenther  <rguenther@suse.de>
3855
3856         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3857         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3858         Do not mark decls TREE_ADDRESSABLE.
3859         (build_fold_addr_expr): Adjust.
3860         (fold_addr_expr): Remove.
3861         (fold_unary): Use build_fold_addr_expr.
3862         (fold_comparison): Likewise.
3863         (split_address_to_core_and_offset): Likewise.
3864         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3865         TREE_ADDRESSABLE.
3866         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3867         (gimplify_modify_expr_to_memcpy): Mark source and destination
3868         addressable.
3869         * omp-low.c (create_omp_child_function): Mark the object decl
3870         TREE_ADDRESSABLE.
3871         (lower_rec_input_clauses): Mark the var we take the address of
3872         TREE_ADDRESSABLE.
3873         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3874
3875 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3876
3877         PR middle-end/39315
3878         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3879         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3880
3881 2009-03-27  Richard Guenther  <rguenther@suse.de>
3882
3883         PR tree-optimization/39120
3884         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3885         constraints.
3886         (handle_lhs_call): Process return constraints.  Add escape
3887         constraints if necessary.
3888         (handle_const_call): Fill out return constraints.  Make nested
3889         case more precise.  Avoid consttmp if possible.
3890         (handle_pure_call): Fill out return constraints.  Avoid
3891         callused if possible.
3892         (find_func_aliases): Simplify call handling.
3893
3894 2009-03-27  Richard Guenther  <rguenther@suse.de>
3895
3896         PR tree-optimization/39120
3897         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3898         as a representative.
3899         (solve_graph): Do propagate CALLUSED.
3900         (handle_pure_call): Use a scalar constraint from CALLUSED for
3901         the return value.
3902         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3903         solutions.
3904
3905 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3906
3907         PR c/39323
3908         * c-common.c (handle_aligned_attribute): Properly check alignment
3909         overflow.  Use (1U << i) instead of (1 << i).
3910
3911         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3912
3913         * expr.h (get_mem_align_offset): Updated.
3914
3915         * tree.h (tree_decl_common): Change align to "unsigned int" and
3916         move it before pointer_alias_set.
3917
3918 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3919             Jakub Jelinek  <jakub@redhat.com>
3920
3921         PR target/38034
3922         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3923         gr_register_operand with gr_reg_or_0_operand.
3924         (cmpxchg_rel_di): Likewise.
3925         (sync_lock_test_and_set<mode>): Likewise.
3926
3927 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3928
3929         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3930         (true_regnum): Likewise.
3931
3932         * rtlanal.c (subreg_info): Moved to ...
3933         * rtl.h (subreg_info): Here.  New.
3934         (subreg_get_info): New.
3935
3936         * rtlanal.c (subreg_get_info): Make it extern.
3937
3938 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3939
3940         PR target/39472
3941         * config/i386/i386.c (ix86_abi): New.
3942         (override_options): Handle -mabi=.
3943         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3944         (ix86_call_abi_override): Likewise.
3945         (init_cumulative_args): Likewise.
3946         (function_arg_advance): Likewise.
3947         (function_arg_64): Likewise.
3948         (function_arg): Likewise.
3949         (ix86_pass_by_reference): Likewise.
3950         (ix86_function_value_regno_p): Likewise.
3951         (ix86_build_builtin_va_list_abi): Likewise.
3952         (setup_incoming_varargs_64): Likewise.
3953         (is_va_list_char_pointer): Likewise.
3954         (ix86_init_machine_status): Likewise.
3955         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3956         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3957         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3958         (ix86_function_abi): Make it static and return enum calling_abi.
3959         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3960         with ix86_abi.
3961         (ix86_fn_abi_va_list): Updated.
3962
3963         * config/i386/i386.h (ix86_abi): New.
3964         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3965         (CONDITIONAL_REGISTER_USAGE): Likewise.
3966         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3967         (machine_function): Likewise.
3968
3969         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3970         with ix86_abi.
3971         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3972         (STACK_BOUNDARY): Likewise.
3973         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3974
3975         * config/i386/i386.opt (mabi=): New.
3976
3977         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3978         return enum calling_abi.
3979         (ix86_function_type_abi): Likewise.
3980         (ix86_function_abi): Removed.
3981
3982         * doc/invoke.texi: Document -mabi= option for x86.
3983
3984 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3985
3986         * builtins.c (real_dconstp): Delete.
3987         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3988
3989 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
3990             Jakub Jelinek  <jakub@redhat.com>
3991
3992         PR debug/37959
3993         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3994         (gen_subprogram_die): When a function is explicit, generate the
3995         DW_AT_explicit attribute.
3996         * langhooks.h (struct lang_hooks_for_decls): Add
3997         function_decl_explicit_p langhook.
3998         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3999         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4000
4001 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
4002
4003         * builtins.c (fold_builtin_memory_op): Optimize memmove
4004         into memcpy if we can prove source and destination don't overlap.
4005
4006         * tree-inline.c: Include gt-tree-inline.h.
4007         (clone_fn_id_num): New variable.
4008         (clone_function_name): New function.
4009         (tree_function_versioning): Use it.
4010         * Makefile.in (GTFILES): Add tree-inline.c.
4011
4012 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4013
4014         * BASE-VER: Change to 4.5.0.
4015
4016 2009-03-27  Xinliang David Li  <davidxl@google.com>
4017
4018         PR tree-optimization/39557
4019         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4020
4021 2009-03-27  Xinliang David Li  <davidxl@google.com>
4022
4023         PR tree-optimization/39548
4024         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
4025         candidate check.
4026
4027 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4028
4029         * c-common.c (pointer_int_sum): Use %wd on return from
4030         tree_low_cst.
4031
4032 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4033
4034         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4035         on return from tree_low_cst.
4036
4037 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4038
4039         PR c++/36799
4040         * ginclude/stdarg.h (va_copy): Define also for
4041         __GXX_EXPERIMENTAL_CXX0X__.
4042
4043 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4044
4045         PR c++/35652
4046         * builtins.h (c_strlen): Do not warn here.
4047         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4048         * c-common.c (pointer_int_sum): Take an explicit location.
4049         Warn about offsets out of bounds.
4050         * c-common.h (pointer_int_sum): Adjust declaration.
4051
4052 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4053
4054         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4055         markup glitch.
4056
4057 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4058
4059         PR c++/39554
4060         * opts.c (warn_if_disallowed_function_p): Don't assume
4061         get_callee_fndecl must return non-NULL.
4062
4063 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4064
4065         PR rtl-optimization/39522
4066         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4067         when reg_reloaded_valid is set.
4068
4069 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4070
4071         * config/spu/divv2df3.c: New file.
4072         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4073         (DPBIT_FUNCS): Filter out _div_df.
4074
4075 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4076
4077         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4078         a jump insn, count that jump in the distance to the loop start.
4079
4080 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4081
4082         PR target/39523
4083         * config/sh/sh.c (calc_live_regs): Fix condition for global
4084         registers except PIC_OFFSET_TABLE_REGNUM.
4085
4086 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4087
4088         PR/39518
4089         * doc/invoke.texi (-mconsole): New.
4090         (-mcygwin): New.
4091         (-mno-cygwin): New.
4092         (-mdll): New.
4093         (-mnop-fun-dllimport): New.
4094         (-mthread): New.
4095         (-mwin32): New.
4096         (-mwindows): New.
4097         (sub section "i386 and x86-64 Windows Options"): New.
4098
4099 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4100
4101         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4102         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4103
4104 2009-03-25  Richard Guenther  <rguenther@suse.de>
4105
4106         PR middle-end/39497
4107         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4108         of -Wno-error.
4109
4110 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4111
4112         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4113         neither of haifa/selective schedulers are working.
4114
4115 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4116
4117         * doc/invoke.texi (Debugging Options): Fix description of
4118         -fno-merge-debug-strings.
4119
4120 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4121
4122         * config/cris/libgcc.ver: New version-script.
4123         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4124
4125         * configure.ac <GAS features, nop mnemonic>: Add pattern
4126         crisv32-*-* for "nop".
4127         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4128         * configure: Regenerate.
4129
4130 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4131
4132         PR tree-optimization/39529
4133         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4134         mark_sym_for_renaming for the tag copied to the new vector
4135         pointer.
4136
4137 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4138
4139         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4140         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4141         EXTRA_SPEC_FUNCTIONS.
4142         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4143         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4144         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4145         -march and -mtune options.
4146
4147 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4148
4149         * config/m68k/t-rtems: Add m5329 multilib.
4150
4151 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4152             Jakub Jelinek  <jakub@redhat.com>
4153
4154         PR debug/39524
4155         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4156         nodes.
4157
4158 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4159
4160         PR c/39495
4161         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4162         instead of c_parser_expression_conv, if original_code isn't one of the
4163         4 allowed comparison codes, fail.
4164
4165 2009-03-23  Richard Guenther  <rguenther@suse.de>
4166
4167         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4168         * tree.h (struct tree_type): Likewise.
4169         * reload.h (struct insn_chain): Likewise.
4170         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4171         * function.h (struct function): Likewise.
4172         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4173
4174 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4175
4176         PR tree-optimization/39516
4177         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4178
4179 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4180
4181         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4182         should be set true if BITS_PER_WORD of target is bigger than 32
4183
4184 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4185
4186         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4187         Translate -B-options to -rpath-link.  Correct existing
4188         rpath-link and conditionalize on !nostdlib.
4189
4190 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4191
4192         * doc/extend.texi (Function Attributes, Variable Attributes):
4193         Fix typos.
4194         * doc/invoke.texi (Debugging Options, Optimize Options)
4195         (i386 and x86-64 Options, MCore Options): Likewise.
4196
4197 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4198
4199         PR debug/37890
4200         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4201         it for block local namespace aliases.
4202         (gen_decl_die): Pass context_die to gen_namespace_die.
4203
4204 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4205
4206         PR c/39495
4207         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4208         minimum or maximum value.
4209
4210 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4211
4212         * reginfo.c (globalize_reg): Recompute derived reg sets.
4213
4214 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4215
4216         PR target/39063
4217         * libgcc2.c (mprotect): Do not use signed arguments for
4218         VirtualProtect, use DWORD arguments.  Also fix the 'may
4219         be used uninitialized' warning for the np variable.
4220
4221 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4222
4223         PR target/39496
4224         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4225         functions using regparm calling conventions when not optimizing.
4226         (ix86_function_sseregparm): Similarly for sseregparm calling
4227         conventions.
4228
4229 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4230
4231         PR middle-end/39500
4232         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4233         dependence if the first conflict is after niter iterations.
4234
4235 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4236
4237         PR middle-end/38609
4238         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4239         functions with dynamic stack-pointer adjustments.
4240
4241 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4242
4243         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4244         option; change to -msdata=data.
4245
4246 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4247
4248         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4249         and -fopenmp.
4250
4251 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4252
4253         PR target/35180
4254         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4255
4256 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4257
4258         * doc/invoke.texi (Code Gen Options): Expand discussion of
4259         -fno-common.
4260
4261 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4262
4263         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4264         * matrix-reorg.c (struct matrix_info): Likewise.
4265         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4266         * rtl.h (struct mem_attrs): Likewise.
4267         * df.h (struct df): Likewise.
4268         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4269         * ira-int.h (struct ira_allocno): Likewise.
4270         * df-scan.c (struct df_collection_rec): Likewise.
4271         * ira.c (struct equivalence): Likewise.
4272         * function.c (struct temp_slot): Likewise.
4273         * cfgloop.h (struct loop): Likewise.
4274
4275         PR debug/39485
4276         * function.c (use_register_for_decl): When not optimizing, disregard
4277         register keyword for variables with types containing methods.
4278
4279 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4280
4281         PR middle-end/39447
4282         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4283         (is_simple_operand): Call contains_component_ref_p before calling data
4284         reference analysis that would fail on COMPONENT_REFs.
4285
4286         * tree-vrp.c (search_for_addr_array): Fix formatting.
4287
4288 2009-03-18  Richard Guenther  <rguenther@suse.de>
4289
4290         * tree-vect-transform.c (vect_loop_versioning): Fold the
4291         generated comparisons.
4292         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4293         (slpeel_tree_peel_loop_to_edge): Likewise.
4294
4295 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4296
4297         PR middle-end/37805
4298         * opts.c (print_specific_help): In addition to `undocumented',
4299         accept `separate' and `joined' flags if passed alone.  Describe
4300         output by the first matched one of those.
4301         (common_handle_option): Skip over empty strings.
4302         * gcc.c (display_help): Fix help string for `--help='.
4303         * doc/invoke.texi (Option Summary, Overall Options): With
4304         `--help=', classes and qualifiers can both be repeated, but
4305         only the latter can be negated.  One should not pass only
4306         negated qualifiers.  Fix markup and examples.
4307
4308         Revert
4309         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4310         PR middle-end/37805
4311         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4312         and -fhelp=separate.
4313
4314 2009-03-17  Jing Yu  <jingyu@google.com>
4315
4316         PR middle-end/39378
4317         * function.h (struct rtl_data): Move is_thunk from here...
4318         (struct function): ...to here.
4319         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4320         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4321         cfun.
4322         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4323         cfun.
4324         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4325         (alpha_output_function_end_prologue): Likewise.
4326         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4327         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4328         (rs6000_output_function_epilogue): Likewise.
4329         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4330
4331 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4332
4333         PR target/39482
4334         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4335         from different units in a single alternative.
4336         (*truncdfsf_i387): Ditto.
4337         (*truncxfsf2_mixed): Ditto.
4338         (*truncxfdf2_mixed): Ditto.
4339
4340 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4341
4342         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4343         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4344
4345         PR debug/39474
4346         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4347         unused non-artificial variables when not optimizing.
4348
4349         PR debug/39471
4350         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4351         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4352         NAMESPACE_DECL in its DECL_INITIAL.
4353
4354         PR middle-end/39443
4355         * optabs.c (set_user_assembler_libfunc): New function.
4356         * expr.h (set_user_assembler_libfunc): New prototype.
4357         * c-common.c: Include libfuncs.h.
4358         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4359         for memcmp, memset, memcpy, memmove and abort.
4360         * Makefile.in (c-common.o): Depend on libfuncs.h.
4361
4362         PR debug/39412
4363         * dwarf2out.c (gen_inlined_enumeration_type_die,
4364         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4365         gen_tagged_type_instantiation_die): Removed.
4366         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4367         do nothing.
4368
4369 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4370
4371         PR testsuite/38526
4372         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4373         its use.
4374         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4375         (check-parallel-%): Ditto.
4376         (check-consistency): Ditto.
4377
4378 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4379
4380         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4381         local variable rhs by NULL_TREE.
4382
4383 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4384
4385         PR target/39477
4386         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4387
4388 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4389
4390         PR target/39476
4391         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4392
4393 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4394
4395         PR target/39473
4396         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4397         for ms->sysv ABI calls only in 64bit mode.
4398
4399         * config/i386/i386.md (untyped_call): Support 32bit.
4400
4401 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4402
4403         * doc/extend.texi: Replace x86_65 with x86_64.
4404
4405 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4406
4407         PR tree-optimization/39455
4408         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4409         mismatches for POINTER_TYPE_P (type).
4410         (number_of_iterations_le): Likewise.
4411
4412 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4413
4414         * config/picochip/picochip.c: Removed profiling support.
4415         * config/picochip/picochip.md: Removed profiling instruction.
4416         * config/picochip/picochip.h: Removed profiling builtin.
4417
4418 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4419
4420         * doc/install.texi (--with-host-libstdcxx): Document.
4421
4422 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4423
4424         PR target/34299
4425         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4426         generate a warning if the function name does not begin with
4427         "__vector" and the function has either the 'signal' or 'interrupt'
4428         attribute, from here to ...
4429         (avr_declare_function_name): ...here. New function.
4430         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4431         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4432
4433 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4434
4435         PR bootstrap/39454
4436         * cse.c (fold_rtx): Don't modify original const_arg1 when
4437         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4438         separate variable instead.
4439         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4440         from out of range shift counts.
4441         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4442
4443 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4444
4445         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4446         diagnostic.h with $(DIAGNOSTIC_H).
4447
4448 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4449
4450         PR target/39431
4451         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4452         predicate.
4453         * config/i386/sync.md (sync_compare_and_swap<mode>,
4454         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4455         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4456         into a register.
4457         (sync_double_compare_and_swapdi_pic,
4458         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4459         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4460
4461 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4462
4463         PR target/39445
4464         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4465
4466 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4467
4468         PR target/39327
4469         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4470         (avx_addsubv4df3): Likewise.
4471         (*avx_addsubv4sf3): Likewise.
4472         (sse3_addsubv4sf3): Likewise.
4473
4474 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4475
4476         PR target/38824
4477         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4478
4479 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4480
4481         PR debug/39432
4482         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4483         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4484         registers for allocnos created from user-defined variables.
4485
4486 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4487
4488         PR target/39181
4489         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4490         of non-integer mode as well.
4491
4492 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4493
4494         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4495         for functions for which the parameter types are unknown.
4496
4497 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4498
4499         PR target/39137
4500         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4501         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4502         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4503         * config/i386/i386.c (ix86_local_alignment): For
4504         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4505         long long variables on the stack to avoid dynamic realignment.
4506         Allow the first argument to be a decl rather than type.
4507         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4508
4509 2009-03-11  Nick Clifton  <nickc@redhat.com>
4510
4511         PR target/5362
4512         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4513         options.
4514         Add description to mno-lsim option.
4515         * config/mcore/mcore.h: Remove comment about deprecated m4align
4516         option.
4517         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4518         * doc/invoke.texi: Add description of mno-lsim and
4519         mstack-increment options.
4520
4521         * config/fr30/fr30.opt: Document the -mno-lsim option.
4522         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4523         and -mno-lsim options.
4524
4525 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4526
4527         * fold-const.c (fold_comparison): Only call fold_inf_compare
4528         if the mode supports infinities.
4529
4530 2009-03-11  Jason Merrill  <jason@redhat.com>
4531
4532         PR debug/39086
4533         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4534         end already did.  Notice GIMPLE_CALL modifications of the result.
4535         Don't copy debug information from an ignored decl or a decl from
4536         another function.
4537
4538 2009-03-10  Richard Guenther  <rguenther@suse.de>
4539             Nathan Froyd  <froydnj@codesourcery.com>
4540
4541         PR middle-end/37850
4542         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4543         (__divMODE3): Likewise.
4544
4545 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4546
4547         PR tree-optimization/39394
4548         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4549         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4550
4551 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4552
4553         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4554         inline asms for register asm ("") declarations.
4555
4556 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4557
4558         * fold-const.c (fold_unary): Fix comment.
4559
4560 2009-03-07  Jan Hubicka  <jh@suse.cz>
4561
4562         PR target/39361
4563         * tree-inline.c (setup_one_parameter): Do replacement of const
4564         argument by constant in SSA form.
4565
4566 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4567
4568         PR middle-end/38028
4569         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4570         determine alignment passed to assign_stack_local.
4571         (assign_parms_unsplit_complex): Likewise.
4572         * except.c (sjlj_build_landing_pads): Likewise.
4573
4574 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4575
4576         PR middle-end/39360
4577         * tree-flow.h (add_referenced_var): Return bool instead of void.
4578         * tree-dfa.c (add_referenced_var): Return result of
4579         referenced_var_check_and_insert call.
4580         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4581         of referenced_var_check_and_insert.
4582
4583         PR debug/39372
4584         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4585         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4586         DIE, don't emit it if abstract origin already has it.
4587         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4588         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4589
4590 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4591
4592         * genpreds.c (needs_variable): Fix parentheses at variable name
4593         detection.
4594         (write_tm_constrs_h): Indent generated code.
4595
4596 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4597
4598         * doc/extend.texi (Function Attributes): Add documentation
4599         for isr attributes.
4600
4601 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4602
4603         PR debug/39387
4604         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4605         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4606
4607 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4608
4609         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4610         the loop as bad.
4611
4612 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4613
4614         PR debug/39379
4615         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4616         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4617
4618 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4619
4620         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4621         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4622         constants instead of magic numbers.
4623         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4624         (QI_REG_P): Ditto.
4625         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4626         (x86_64_ms_abi_int_parameter_registers): Ditto.
4627         (x86_64_int_return_registers): Ditto.
4628         (ix86_maybe_switch_abi): Ditto.
4629         (ix86_expand_call): Ditto for clobbered_registers array.
4630         (ix86_hard_regno_mode_ok): Ditto.
4631         (x86_extended_QIreg_mentioned_p): Ditto.
4632
4633 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4634
4635         PR tree-optimization/39349
4636         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4637
4638         * combine.c (gen_lowpart_for_combine): Use omode when generating
4639         clobber.
4640
4641 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4642
4643         PR rtl-optimization/39235
4644         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4645
4646 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4647
4648         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4649
4650 2009-03-04  Richard Guenther  <rguenther@suse.de>
4651
4652         PR tree-optimization/39362
4653         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4654         that occur in abnormal PHIs should be varying.
4655
4656 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4657
4658         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4659         Extend comments.
4660         (simple_iv):  Take loop as an argument instead of statement.
4661         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4662         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4663         to simple_iv.
4664         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4665         Ditto.
4666         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4667         * matrix-reorg.c (analyze_transpose): Ditto.
4668         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4669         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4670         * tree-predcom.c (ref_at_iteration): Ditto.
4671         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4672
4673 2009-03-04  Richard Guenther  <rguenther@suse.de>
4674
4675         PR tree-optimization/39358
4676         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4677         escaped_id and callused_id.
4678         (solve_graph): Likewise.
4679
4680 2009-03-04  Richard Guenther  <rguenther@suse.de>
4681
4682         PR tree-optimization/39339
4683         * tree-sra.c (try_instantiate_multiple_fields): Make it
4684         no longer ICE on the above.
4685
4686 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4687
4688         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4689         that fits within Pmode.
4690
4691 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4692
4693         PR middle-end/10109
4694         * tm.texi (LIBCALL_VALUE): Update description.
4695
4696 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4697
4698         PR middle-end/34443
4699         * doc/extend.texi (section): Update description.
4700
4701 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4702
4703         PR middle-end/39345
4704         * tree-inline.c (remapped_type): New.
4705         (can_be_nonlocal): Call remapped_type instead of remap_type.
4706
4707 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4708
4709         PR fortran/39354
4710         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4711         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4712
4713 2009-03-03  Richard Guenther  <rguenther@suse.de>
4714
4715         PR middle-end/39272
4716         * tree.c (tree_nonartificial_location): New function.
4717         * tree.h (tree_nonartificial_location): Declare.
4718         * builtins.c (expand_builtin_memory_chk): Provide location
4719         of the call location for artificial function pieces.
4720         (maybe_emit_chk_warning): Likewise.
4721         (maybe_emit_sprintf_chk_warning): Likewise.
4722         (maybe_emit_free_warning): Likewise.
4723         * expr.c (expand_expr_real_1): Likewise.
4724
4725 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4726
4727         PR tree-optimization/39343
4728         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4729         COMPONENT_REF t has ARRAY_TYPE.
4730
4731 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4732
4733         PR middle-end/39335
4734         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4735         when the type precision of the induction variable should be
4736         larger than the type precision of nit.
4737         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4738         * graphite.c (graphite_loop_normal_form): Same.
4739         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4740
4741 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4742
4743         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4744         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4745         numbers to describe clobbered registers.
4746         (*call_value_0_rex64_ms_sysv): Ditto.
4747         * config/i386/mmx.md (mmx_emms): Ditto.
4748         (mmx_femms): Ditto.
4749
4750 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4751
4752         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4753         of ABI_64.
4754
4755 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4756
4757         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4758         (spu_section_type_flags): New function.
4759
4760 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4761
4762         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4763         reg_class_contents of FLOAT_REGS into a temporary.
4764
4765 2009-03-02  Richard Guenther  <rguenther@suse.de>
4766             Ira Rosen  <irar@il.ibm.com>
4767
4768         PR tree-optimization/39318
4769         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4770         information to the vectorized statement.
4771
4772 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4773
4774         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4775         variable.  Use defined names instead of magic constants for REX SSE
4776         registers.
4777
4778 2009-03-01  Richard Guenther  <rguenther@suse.de>
4779
4780         PR tree-optimization/39331
4781         * omp-low.c (lower_send_shared_vars): Do not receive new
4782         values for the reference of DECL_BY_REFERENCE parms or results.
4783
4784 2009-03-01  Jan Hubicka  <jh@suse.cz>
4785
4786         PR debug/39267
4787         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4788         BLOCK_NONLOCALIZED_VAR): New macros.
4789         (tree_block): Add nonlocalized_vars.
4790         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4791         gen_decl_die): Add origin argument.  Allow generation of die with
4792         origin at hand only.
4793         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4794         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4795         of gen_*.
4796         (gen_block_die): Fix checking for unused blocks.
4797         (process_scope_var): Break out from .... ; work with origins only.
4798         (decls_for_scope) ... here; process nonlocalized list.
4799         (dwarf2out_ignore_block): Look for nonlocalized vars.
4800         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4801         vars.
4802         (dump_scope_block): Dump them.
4803         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4804         (remap_block): Likewise.
4805         (can_be_nonlocal): New predicate.
4806         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4807
4808 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4809
4810         * configure: Regenerate.
4811
4812 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4813
4814         * optc-gen.awk: No need to duplicate option flags twice.
4815         Reuse help texts for duplicate options which do not have any.
4816
4817         * gcc.c (display_help): Document --version.
4818
4819         * gcc.c (main): If print_help_list and verbose_flag, ensure
4820         driver output comes before subprocess output.
4821
4822         * optc-gen.awk: Assign all remaining fields to help string,
4823         space-separated, for multi-line help in *.opt.
4824
4825         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4826         -Wno-pedantic-ms-format is for MinGW targets only.
4827
4828         * doc/options.texi (Option file format): Fix bad indentation,
4829         restoring dropped sentence.
4830
4831 2009-02-28  Jan Hubicka  <jh@suse.cz>
4832
4833         * tree-inline.c (tree_function_versioning): Output debug info.
4834
4835 2009-02-28  Jan Hubicka  <jh@suse.cz>
4836
4837         PR debug/39267
4838         * tree-inline.c (setup_one_parameter): Do not copy propagate
4839         arguments when not optimizing.
4840
4841 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4842
4843         PR target/39327
4844         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4845         (avx_addsubv4df3): Likewise.
4846         (*avx_addsubv4sf3): Likewise.
4847         (sse3_addsubv4sf3): Likewise.
4848         (*avx_addsubv2df3): Likewise.
4849         (sse3_addsubv2df3): Likewise.
4850         (avx_unpckhps256): Correct item selectors.
4851         (avx_unpcklps256): Likewise.
4852         (avx_unpckhpd256): Likewise.
4853         (avx_unpcklpd256): Likewise.
4854
4855 2009-02-28  Jan Hubicka  <jh@suse.cz>
4856
4857         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4858         static vars.
4859         (copy_arguments_for_versioning): If var is declared don't declare it.
4860         (tree_function_versioning): First setup substitutions and then copy
4861         args.
4862
4863 2009-02-27  Jan Hubicka  <jh@suse.cz>
4864
4865         PR debug/39267
4866         * cgraph.h (varpool_output_debug_info): Remove.
4867         * cgraphunit.c (varpool_output_debug_info): Remove.
4868         * dwarf2out.c (deferred_locations_struct): New struct
4869         (deferred_locations): New type.
4870         (deferred_locations_list): New static var.
4871         (deffer_location): New function.
4872         (gen_variable_die): Use it.
4873         (decls_for_scope): Output info on local static vars.
4874         (dwarf2out_finish): Process deferred locations.
4875         * varpool.c (varpool_output_debug_info): Remove.
4876
4877 2009-02-27  Jan Hubicka  <jh@suse.cz>
4878
4879         PR debug/39267
4880         * tree.h (TREE_PROTECTED): Fix comment.
4881         (BLOCK_HANDLER_BLOCK): Remove.
4882         (struct tree_block): Remove handler_block add body_block.
4883         (inlined_function_outer_scope_p): New.
4884         (is_body_block): Remove.
4885         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4886         * dwarf2out.c (is_inlined_entry_point): Remove.
4887         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4888         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4889         code.
4890         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4891         * gimplify.c (gimplify_expr): Gimplify body blocks.
4892         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4893         block with multiple subblocks.
4894         (dump_scope_block): Prettier output; dump more flags and info.
4895         (dump_scope_blocks): New.
4896         (remove_unused_locals): Use dump_scope_blocks.
4897         * tree-flow.h (dump_scope_blocks): Declare.
4898         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4899         * stmt.c (is_body_block): Remove.
4900         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4901         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4902
4903 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4904
4905         PR middle-end/39308
4906         * graphite.c (graphite_loop_normal_form): Do not call 
4907         number_of_iterations_exit from a gcc_assert.
4908
4909 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4910
4911         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4912         jumps if COND is NULL.
4913         (find_cond_jump): New function.
4914         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4915         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4916
4917 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4918
4919         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4920         force_const_mem returns NULL_RTX.
4921
4922 2009-02-26  Jan Hubicka  <jh@suse.cz>
4923
4924         PR debug/39267
4925         * cgraph.h (varpool_output_debug_info): Remove.
4926         * cgraphunit.c (varpool_output_debug_info): Remove.
4927         * dwarf2out.c (deferred_locations_struct): New struct
4928         (deferred_locations): New type.
4929         (deferred_locations_list): New static var.
4930         (deffer_location): New function.
4931         (gen_variable_die): Use it.
4932         (decls_for_scope): Output info on local static vars.
4933         (dwarf2out_finish): Process deferred locations.
4934         * varpool.c (varpool_output_debug_info): Remove.
4935
4936 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4937
4938         PR rtl-optimization/39241
4939         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4940         to subreg_offset_representable_p.
4941
4942 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4943
4944         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4945         execute function prototype.  Get f and nregs from max_reg_num
4946         and get_insns.  Remove the first backward pass as it's dead,
4947         guard the forward pass by flag_expensive_optimizations.
4948         (rest_of_handle_regmove): Delete.
4949         (pass_regmove): Replace it with regmove_optimize.
4950
4951 2009-02-25  Martin Jambor  <mjambor@suse.cz>
4952
4953         PR tree-optimization/39259
4954         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4955         calls_alloca function flags.
4956         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4957         calls are detected.
4958
4959 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4960
4961         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4962         flags_set_1_rtx, flags_set_1_set): Delete.
4963         (regmove_optimize): Do not call mark_flags_life_zones.
4964
4965 2009-02-24  Julian Brown  <julian@codesourcery.com>
4966
4967         PR target/35965
4968         * config/arm/arm.c (require_pic_register): Only set
4969         cfun->machine->pic_reg once per function.
4970
4971 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
4972
4973         * doc/invoke.texi (Link Options): Document an easier way to pass
4974         options that take arguments to the GNU linker using -Xlinker and -Wl.
4975
4976 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
4977
4978         PR target/33785
4979         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4980
4981 2009-02-24  Richard Guenther  <rguenther@suse.de>
4982
4983         PR debug/39285
4984         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4985
4986 2009-02-24  Richard Guenther  <rguenther@suse.de>
4987             Zdenek Dvorak  <ook@ucw.cz>
4988
4989         PR tree-optimization/39233
4990         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4991         from converting them to a generic type.
4992
4993 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4994
4995         PR tree-optimization/39260
4996         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4997         contains a condition with a real type.
4998         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4999
5000 2009-02-23  Jason Merrill  <jason@redhat.com>
5001
5002         PR c++/38880
5003         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5004         narrowing_initializer_constant_valid_p.
5005         (narrowing_initializer_constant_valid_p): Don't return 
5006         null_pointer_node for adding a pointer to itself.
5007
5008 2009-02-23  Jan Hubicka  <jh@suse.cz>
5009
5010         PR c/12245
5011         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5012         resizing.
5013
5014 2009-02-23  Jan Hubicka  <jh@suse.cz>
5015
5016         PR tree-optimization/37709
5017         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5018         * tree.h (block_ultimate_origin): Declare.
5019         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5020         * tree-ssa-live.c (remove_unused_scope_block_p):
5021         Eliminate blocks containig no instructions nor live variables nor
5022         nested blocks.
5023         (dump_scope_block): New function.
5024         (remove_unused_locals): Enable removal of dead blocks by default;
5025         enable dumping at TDF_DETAILS.
5026
5027 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5028
5029         * config/i386/i386.c (classify_argument): Don't allow COImode
5030         and OImode.
5031         (function_arg_advance_32): Don't allow OImode.
5032         (function_arg_32): Likewise.
5033         (function_value_32): Likewise.
5034         (return_in_memory_32): Likewise.
5035         (function_arg_64): Remove OImode comment.
5036
5037 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5038
5039         PR target/39261
5040         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5041         ix86_expand_vector_set for V4DImode in 64bit mode only.
5042         (ix86_expand_vector_init_one_var): Likewise.
5043
5044 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5045
5046         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5047
5048 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5049
5050         PR bootstrap/39257
5051         * loop-iv.c: Revert last change.
5052         * emit-rtl.c: Likewise.
5053
5054 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5055
5056         PR target/39256
5057         * config/i386/i386.c (type_natural_mode): Remove an extra
5058         space in the warning message.
5059         (function_value_32): Handle 32-byte vector modes.
5060         (return_in_memory_32): Likewise.
5061
5062 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5063
5064         * loop-iv.c (truncate_value): New function.
5065         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5066         of lowpart_subreg.
5067         (lowpart_subreg): Move to...
5068         * emit-rtl.c: ...here.
5069
5070 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5071
5072         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5073         accidental and undocumented change at revision 140860.
5074
5075 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5076
5077         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5078         take gimple_seq * arguments.
5079         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5080         types_compatible_p langhook.
5081
5082 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5083             Joseph Myers  <joseph@codesourcery.com>
5084
5085         * config/arm/arm.c (arm_builtin_va_list): New function.
5086         (arm_expand_builtin_va_start): Likewise.
5087         (arm_gimplify_va_arg_expr): Likewise.
5088         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5089         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5090         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5091         (va_list_type): New variable.
5092         (arm_mangle_type): Mangle va_list_type appropriately.
5093
5094 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5095
5096         PR middle-end/39157
5097         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5098         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5099         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5100         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5101         parameter to 1000 for -O1 by default.
5102         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5103         parameter.
5104         * loop-invariant.c: Include params.h.
5105         (move_loop_invariants): Don't call move_single_loop_invariants on
5106         very large loops.
5107
5108 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5109
5110         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5111         offset when calculating bounds for indexing stack_usage_map.  Fixes
5112         a buffer overflow with certain target setups.
5113
5114 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5115
5116         PR target/39240
5117         * calls.c (expand_call): Clear try_tail_call if caller and callee
5118         disagree in promotion of function return value.
5119
5120 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5121
5122         PR target/39175
5123         * c-common.c (c_determine_visibility): If visibility changed and
5124         DECL_RTL has been already set, call make_decl_rtl to update symbol
5125         flags.
5126
5127 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5128
5129         PR c++/39188
5130         * varasm.c (assemble_variable): Don't check DECL_NAME when
5131         globalizing a variable.
5132
5133 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5134
5135         PR c/38483
5136         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5137         expression before any __builtin_trap call.
5138         * c-typeck.c (build_function_call): Convert and check function
5139         arguments before generating a call to a trap.  Evaluate the
5140         function arguments before the trap.
5141
5142 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5143
5144         PR target/39228
5145         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5146         (UNSPEC_FXAM_MEM): New unspec.
5147         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5148         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5149         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5150
5151 2009-02-19  Richard Guenther  <rguenther@suse.de>
5152
5153         PR tree-optimization/39207
5154         PR tree-optimization/39074
5155         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5156         storedanything_tree): New.
5157         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5158         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5159         (build_succ_graph): Add edges from STOREDANYTHING to all
5160         non-direct nodes.
5161         (init_base_vars): Initialize STOREDANYTHING.
5162         (compute_points_to_sets): Free substitution info after
5163         building the succ graph.
5164         (ipa_pta_execute): Likewise.
5165
5166         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5167         field.
5168         (do_ds_constraint): Do not add to special var or non-pointer
5169         field solutions.
5170         (type_could_have_pointers): Split out from ...
5171         (could_have_pointers): ... here.  For arrays use the element type.
5172         (create_variable_info_for): Initialize may_have_pointers.
5173         (new_var_info): Likewise.
5174         (handle_lhs_call): Make the HEAP variable unknown-sized.
5175         (intra_create_variable_infos): Use a type with pointers for
5176         PARM_NOALIAS, make it unknown-sized.
5177
5178 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5179
5180         PR target/39224
5181         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5182
5183 2009-02-18  Jason Merrill  <jason@redhat.com>
5184
5185         PR target/39179
5186         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5187         value if DECL_EXTERNAL.
5188         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5189         * target.h (gcc_target::binds_local_p): Clarify "module".
5190         * tree.h (TREE_PUBLIC): Clarify "module".
5191
5192 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5193
5194         PR target/38891
5195         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5196         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5197
5198 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5199
5200         PR target/39082
5201         * c.opt (Wabi): Support C and ObjC.
5202         (Wpsabi): New.
5203
5204         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5205
5206         * config/i386/i386.c (classify_argument): Warn once about the ABI
5207         change when passing union with long double.
5208
5209         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5210
5211 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5212
5213         PR c/35447
5214         * c-parser.c (c_parser_compound_statement): Always enter and leave
5215         a scope.
5216
5217 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5218
5219         PR target/34587
5220         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5221
5222 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5223
5224         PR tree-optimization/36922
5225         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5226         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5227         Likewise.
5228
5229 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5230
5231         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5232         to 0 for EABI64.
5233
5234 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5235
5236         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5237
5238 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5239
5240         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5241         tree sharing.
5242
5243 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5244             Richard Sandiford  <rdsandiford@googlemail.com>
5245
5246         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5247         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5248         (loongson_biadd): ...this.
5249
5250 2009-02-17  Richard Guenther  <rguenther@suse.de>
5251
5252         PR tree-optimization/39202
5253         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5254         a var make sure to follow existing collapses.
5255
5256 2009-02-17  Richard Guenther  <rguenther@suse.de>
5257
5258         PR middle-end/39214
5259         * langhooks.c (lhd_print_error_function): Check for NULL block.
5260
5261 2009-02-17  Richard Guenther  <rguenther@suse.de>
5262
5263         PR tree-optimization/39204
5264         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5265         of the PHI arg.
5266
5267 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5268
5269         * config/soft-fp/double.h: Update from glibc CVS.
5270
5271 2009-02-17  Richard Guenther  <rguenther@suse.de>
5272
5273         PR tree-optimization/39207
5274         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5275         strict-aliasing warnings for pointers pointing to NULL.
5276
5277 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5278
5279         PR c/35446
5280         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5281         skipping until next close brace.
5282
5283 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5284
5285         PR target/37049
5286         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5287         to function argument boundary.
5288
5289 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5290
5291         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5292         in the lea_add. Reload eventually constraints it properly.
5293         * config/picochip/constraints.md : Remove the target constraint
5294         "b", since it is not needed anymore.
5295
5296 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5297
5298         * gthr-dce.h: Uglify function parameter and local variable names.
5299         * gthr-gnat.h: Likewise.
5300         * gthr-mipssde.h: Likewise.
5301         * gthr-nks.h: Likewise.
5302         * gthr-posix95.h: Likewise.
5303         * gthr-posix.h: Likewise.
5304         * gthr-rtems.h: Likewise.
5305         * gthr-single.h: Likewise.
5306         * gthr-solaris.h: Likewise.
5307         * gthr-tpf.h: Likewise.
5308         * gthr-vxworks.h: Likewise.
5309         * gthr-win32.h: Likewise.
5310
5311 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5312
5313         PR target/39196
5314         * config/i386/i386.md: Restrict the new peephole2 to move
5315         between MMX/SSE registers.
5316
5317 2009-02-15  Richard Guenther  <rguenther@suse.de>
5318
5319         Revert
5320         2009-02-13  Richard Guenther  <rguenther@suse.de>
5321
5322         * configure.ac: Enable LFS.
5323         * configure: Re-generate.
5324         * config.in: Likewise.
5325
5326 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5327
5328         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5329         spu_srqwbyte, spu_srqwbytebc): Define.
5330         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5331         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5332         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5333         "shrqby_<mode>"): New insn-and-split patterns.
5334         * config/spu/spu.c (expand_builtin_args): Determine and return
5335         number of operands using spu_builtin_description data.
5336         (spu_expand_builtin_1): Use it.
5337
5338 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5339
5340         PR target/38056
5341         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5342         TARGET_CONST_GP.
5343
5344 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5345
5346         PR target/39149
5347         * config/i386/i386.c (override_options): Correct warning
5348         messages for -malign-loops, -malign-jumps and -malign-functions.
5349
5350 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5351
5352         PR target/39152
5353         * config/i386/i386.md: Restrict the new peephole2 to move
5354         between the general purpose registers.
5355
5356 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5357
5358         PR target/39162
5359         * config/i386/i386.c (type_natural_mode): Add a new argument.
5360         Return the original mode and warn ABI change if vector size is 32byte.
5361         (function_arg_advance): Updated.
5362         (function_arg): Likewise.
5363         (ix86_function_value): Likewise.
5364         (ix86_return_in_memory): Likewise.
5365         (ix86_sol10_return_in_memory): Likewise.
5366         (ix86_gimplify_va_arg): Likewise.
5367         (function_arg_32): Don't warn ABX ABI change here.
5368         (function_arg_64): Likewise.
5369
5370 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5371
5372         * loop-iv.c (implies_p): In the final case, test that operands 0
5373         of the two comparisons match.
5374
5375         * config/bfin/bfin.c (find_prev_insn_start): New function.
5376         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5377         (find_next_insn_start): Move.
5378
5379 2009-02-13  Richard Guenther  <rguenther@suse.de>
5380
5381         * configure.ac: Enable LFS.
5382         * configure: Re-generate.
5383         * config.in: Likewise.
5384
5385 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5386
5387         PR c/35444
5388         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5389         sizes on syntax error after some arguments have been parsed.
5390
5391 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5392
5393         * doc/invoke.texi (-fira): Remove.
5394
5395 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5396
5397         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5398         * recog.c: Likewise.
5399         * rtl.h: Likewise.
5400
5401 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5402
5403         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5404         (umul_ppmm): Likewise.
5405         (count_leading_zeros): Likewise.
5406         (count_trailing_zeros): Likewise.
5407         (UMUL_TIME): Likewise.
5408
5409 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5410
5411         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5412         soft-fp/t-softfp to tmake_file.
5413
5414         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5415         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5416         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5417         IA64_BUILTIN_INFQ]: New.
5418         (ia64_init_builtins): Initialize __builtin_infq,
5419         __builtin_fabsq and __builtin_copysignq if not HPUX.
5420         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5421         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5422
5423         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5424         SHARED is defined.
5425         (__fixtfti): Likewise.
5426         (__fixunstfti): Likewise.
5427         (__floattitf): Likewise.
5428
5429         * config/ia64/libgcc-glibc.ver: New.
5430         * config/ia64/t-fprules-softfp: Likewise.
5431         * config/ia64/sfp-machine.h: Likewise.
5432
5433         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5434         (LIBGCC2_TF_CEXT): Likewise.
5435         (TF_SIZE): Likewise.
5436         (TARGET_INIT_LIBFUNCS): Likewise.
5437
5438         * config/ia64/t-glibc (SHLINB_MAPFILES):
5439         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5440
5441 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5442
5443         * config/i386/i386.c (construct_container): Rewrite processing
5444         BLKmode with X86_64_SSE_CLASS.
5445
5446 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5447
5448         PR target/39152
5449         * config/i386/i386.md: Replace simplify_replace_rtx with
5450         replace_rtx in the new peephole2.
5451
5452 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5453
5454         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5455         loop unrolling do not happen at -O2.
5456
5457 2009-02-12  Michael Matz  <matz@suse.de>
5458
5459         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5460
5461 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5462
5463         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5464         for -g3.
5465
5466 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5467
5468         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5469         patterns when updating the back chain.  Missed in the 2009-02-10
5470         change.
5471
5472 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5473
5474         * doc/extend.texi (Decimal Floating Types): Update identifier of
5475         draft TR and list of missing support.
5476
5477 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5478
5479         PR middle-end/39154
5480         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5481         bit to variable length decl's flags, add it also to its
5482         pointer replacement variable.
5483
5484 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5485             Jakub Jelinek  <jakub@redhat.com>
5486
5487         PR target/39118
5488         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5489         (memory_blockage): New expander.
5490         (*memory_blockage): New insn pattern.
5491         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5492         instead of general blockage at the end of function prologue when
5493         frame pointer is used to access red zone area.  Do not emit blockage
5494         when profiling, it is emitted in generic code.
5495         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5496         function epilogue when frame pointer is used to access red zone area.
5497
5498 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5499
5500         PR target/38824
5501         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5502         by arithmetic with memory operands.
5503         * config/i386/predicates.md (commutative_operator): New.
5504
5505 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5506
5507         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5508         bulleted lists.
5509
5510 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5511
5512         * alias.h (record_alias_subset): Declare.
5513         * alias.c (record_alias_subset): Make global.
5514
5515 2009-02-10  Nick Clifton  <nickc@redhat.com>
5516
5517         * tree-parloops.c: Change license to GPLv3.
5518         * ipa-struct-reorg.c: Change license to GPLv3.
5519         * ipa-struct-reorg.h: Change license to GPLv3.
5520
5521 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5522
5523         PR c/39084
5524         * c-decl.c (start_struct): Return NULL on error.
5525
5526 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5527
5528         PR middle-end/39124
5529         * cfgloopmanip.c (remove_path): Call remove_bbs after
5530         cancel_loop_tree, not before it.
5531
5532         PR target/39139
5533         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5534         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5535         VAR_DECLs were seen.
5536         * tree-ssa-live.c (remove_unused_locals): Recompute
5537         cfun->has_local_explicit_reg_vars.
5538         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5539         copies or clearings if cfun->has_local_explicit_reg_vars.
5540
5541 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5542
5543         PR target/39118
5544         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5545         of function prologue when frame pointer is used to access
5546         red zone area.
5547
5548 2009-02-10  Richard Guenther  <rguenther@suse.de>
5549
5550         PR middle-end/39127
5551         * gimplify.c (gimple_regimplify_operands): Always look if
5552         we need to create a temporary.
5553
5554 2009-02-10  Richard Guenther  <rguenther@suse.de>
5555
5556         PR tree-optimization/39132
5557         * tree-loop-distribution.c (todo): New global var.
5558         (generate_memset_zero): Trigger TODO_rebuild_alias.
5559         (tree_loop_distribution): Return todo.
5560
5561 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5562
5563         PR target/39119
5564         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5565         (x86_64_reg_class_name): Removed.
5566         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5567         first one isn't X86_64_SSE_CLASS or any other ones aren't
5568         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5569         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5570         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5571         and 3 X86_64_SSEUP_CLASS.
5572         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5573         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5574
5575 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5576
5577         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5578         form instruction to update the stack back chain word, even if the
5579         user has disabled the generation of update instructions.
5580         (movdi_<mode>_update_stack): New.
5581         (movsi_update_stack): Likewise.
5582         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5583         always use an update form instruction to update the stack back
5584         chain word.
5585
5586 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5587
5588         PR middle-end/38953
5589         * graphite.c (if_region_set_false_region): After moving a region in
5590         the false branch of a condition, remove the empty dummy basic block.
5591         (gloog): Remove wrong fix for PR38953.
5592
5593 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5594
5595         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5596         generation due to implicit sign extension.
5597
5598 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5599
5600         PR middle-end/38981
5601         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5602         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5603
5604 2009-02-09  Richard Guenther  <rguenther@suse.de>
5605
5606         PR middle-end/35202
5607         * convert.c (convert_to_real): Disable (float)fn((double)x)
5608         to fnf(x) conversion if errno differences may occur and
5609         -fmath-errno is set.
5610
5611 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5612
5613         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5614         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5615         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5616
5617 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5618
5619         PR c/35434
5620         * c-common.c (handle_alias_attribute): Disallow attribute for
5621         anything not a FUNCTION_DECL or VAR_DECL.
5622
5623 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5624
5625         PR c/39035
5626         * real.c (do_compare): Special-case compare of zero against
5627         decimal float value.
5628
5629 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5630
5631         PR c/36432
5632         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5633         as indicating flexible array members unless the field itself is
5634         being declarared as the incomplete array.
5635
5636 2009-02-06  Jan Hubicka  <jh@suse.cz>
5637
5638         PR tree-optimization/38844
5639         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5640         is already inlined.
5641
5642 2009-02-06  Richard Guenther  <rguenther@suse.de>
5643
5644         PR middle-end/38977
5645         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5646         fork because we may expand it as __gcov_fork.
5647
5648 2009-02-06  Nick Clifton  <nickc@redhat.com>
5649
5650         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5651
5652 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5653
5654         PR tree-optimization/35659
5655         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5656         vn_phi_eq): Shortcut if hashcode does not match.
5657         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5658         NULL operands.
5659         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5660         and avoid iterative_hash_expr.
5661         (FOR_EACH_VALUE_ID_IN_SET): New.
5662         (value_id_compare): Remove.
5663         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5664         sort expressions by value id.
5665
5666 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5667
5668         PR target/38991
5669         * config/sh/predicates.md (general_movsrc_operand): Don't check
5670         the subreg of system registers here.
5671
5672 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5673
5674         PR c++/39106
5675         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5676         on the copied decl.
5677
5678 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5679
5680         PR rtl-optimization/39110
5681         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5682         addresses, not aligned ones.
5683
5684 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5685             Richard Guenther  <rguenther@suse.de>
5686
5687         PR tree-optimization/39100
5688         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5689         comment says and add edges.
5690
5691 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5692
5693         PR c/35435
5694         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5695         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5696
5697 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5698
5699         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5700         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5701         register_bb_in_sese, new_sese, free_sese): Moved.
5702         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5703         outermost_loop_in_scop, build_scop_iteration_domain,
5704         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5705         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5706         Use loop_in_sese_p instead of loop_in_scop_p.
5707         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5708         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5709         (scopdet_basic_block_info): Fix bug in scop detection.
5710         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5711         eq_loop_to_cloog_loop): Remove.
5712         (nb_loops_around_loop_in_scop, nb_loop
5713         ref_nb_loops): Moved here...
5714         * graphite.h (ref_nb_loops): ... from here.
5715         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5716         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5717         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5718         * testsuite/gcc.dg/graphite/scop-19.c: New
5719
5720 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5721             Hans-Peter Nilsson  <hp@axis.com>
5722
5723         PR rtl-optimization/37889
5724         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5725         Move offset handling from PLUS to before the switch.  Use new
5726         arguments when considering SYMBOL_REFs too.
5727         (rtx_addr_can_trap_p): Pass dummy offset and size.
5728         (enum may_trap_p_flags): Remove.
5729         (may_trap_p_1): Pass size from MEM_SIZE.
5730
5731         PR rtl-optimization/38921
5732         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5733         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5734         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5735         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5736
5737 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5738
5739         AVX Programming Reference (January, 2009)
5740         * config/i386/sse.md (*vpclmulqdq): New.
5741
5742 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5743
5744         PR tree-optimization/38977
5745         PR gcov-profile/38292
5746         * calls.c (special_function_p): Disregard __builtin_ prefix.
5747
5748 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5749
5750         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5751         non-indexable addresses even before reload.
5752
5753 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5754
5755         PR c/29129
5756         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5757         as having variable size.  Do not give an error for unnamed
5758         parameters with [*] declarators.  Give a warning for type names
5759         with [*] declarators and mark them as variable size.
5760         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5761         for sizeof applied to [*] type names.
5762
5763 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5764
5765         PR C++/36607
5766         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5767
5768 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5769
5770         * gcc.c (process_command): Update copyright notice dates.
5771         * gcov.c (print_version): Likewise.
5772         * gcov-dump.c (print_version): Likewise.
5773         * mips-tfile.c (main): Likewise.
5774         * mips-tdump.c (main): Likewise.
5775
5776 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5777
5778         PR c/35433
5779         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5780         for composite type involving a zero-length array type.
5781
5782 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5783
5784         PR target/35318
5785         * function.c (match_asm_constraints_1): Skip over
5786         initial optional % in the constraint.
5787
5788         PR inline-asm/39059
5789         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5790         supported, don't accept FIXED_CSTs.
5791         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5792         and _Sat is used without _Fract/_Accum.  Set specs->type to
5793         integer_type_node for cts_fract/cts_accum if fixed point is not
5794         supported.
5795
5796 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5797
5798         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5799
5800 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5801
5802         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5803         (ABI_HAS_64BIT_SYMBOLS): Use it.
5804         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5805
5806 2009-02-02  Paul Brook  <paul@codesourcery.com>
5807
5808         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5809
5810 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5811
5812         PR inline-asm/39058
5813         * recog.h (asm_operand_ok): Add constraints argument.
5814         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5815         recurse on matching constraint.
5816         (check_asm_operands): Pass constraints as 3rd argument to
5817         asm_operand_ok.  Don't look up matching constraint here.
5818         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5819         to asm_operand_ok.
5820
5821 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5822
5823         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5824         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5825
5826 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5827
5828         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5829         information.  Remove some obsolete information.  Reorganize.
5830
5831         * config/pa/fptr.c: Revert license to GPL 2.
5832         * config/pa/milli64.S: Likewise.
5833
5834 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5835
5836         PR target/38904
5837         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5838         LIBRARY name in, instead of hard-coding it.
5839         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5840         extra target make frag to tmake_files according to EH model.
5841         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5842         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5843         frags that define makefile variable EH_MODEL appropriately.
5844         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5845         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5846         to "-sjlj" according to type of EH configured.
5847         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5848         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5849         to "_sjlj" according to type of EH configured.
5850         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5851         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5852         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5853         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5854         string value of "pe_dll" command-line option.
5855         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5856         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5857         (SHLIB_IMPLIB):  Override t-cygming default.
5858         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5859         string value of "pe_dll" command-line option.
5860
5861 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5862
5863         PR target/38952
5864         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5865         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5866
5867 2009-01-31  Richard Guenther  <rguenther@suse.de>
5868
5869         PR tree-optimization/38937
5870         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5871         computing the transitive closure.
5872
5873 2009-01-30  Richard Guenther  <rguenther@suse.de>
5874
5875         PR tree-optimization/39041
5876         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5877         Propagate variable indices only if the types match for this stmt.
5878
5879 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5880
5881         PR target/39013
5882         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5883         inline but never defined.
5884
5885 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5886
5887         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5888         (*insv_h_di_reg_extimm): New insn.
5889         (*insv_l<mode>_reg_extimm): New insn.
5890
5891 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5892
5893         * config/picochip/picochip.c (flag_conserve_stack): set
5894         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5895         fconserve-stack. Reduce call-overhead used by inliner.
5896
5897 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5898
5899         PR/38157
5900         * common.opt (flag_conserve_stack): Initialised to zero.
5901
5902 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5903
5904         PR/39002
5905         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5906         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5907         method.
5908
5909 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5910
5911         * ira-color.c (allocno_reload_assign): Update comments.
5912         * regmove.c (regmove_optimize): Likewise.
5913
5914         * ra.h: Removed.
5915
5916 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5917
5918         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5919         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5920         `MD_UNWIND_SUPPORT'.
5921         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5922
5923 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5924
5925         PR tree-optimization/39007
5926         * tree-loop-distribution.c (generate_builtin): Use
5927         recompute_dominator to compute the immediate dominator of the
5928         basic block just after the loop.
5929
5930 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5931
5932         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5933         (ASM_OUTPUT_DWARF_PCREL): Define.
5934
5935 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5936
5937         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5938         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5939         global.  Modify entries about regmove and IRA.
5940
5941         * ra-conflict.c: Remove the file.
5942
5943         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5944
5945         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5946         (pass_regclass_init): Rename to pass_reginfo_init.
5947
5948         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5949
5950         * toplev.h (flag_ira): Remove.
5951
5952         * caller-save.c (setup_save_areas): Remove flag_ira.
5953
5954         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5955
5956         * global.c: Remove the file.
5957
5958         * opts.c (decode_options): Remove flag_ira.
5959
5960         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5961
5962         * regmove.c: Modify file description.
5963         (find_use_as_address, try_auto_increment): Define them only if
5964         AUTO_INC_DEC is defined.
5965         (replacement_quality, replace_in_call_usage, fixup_match_1,
5966         stable_and_no_regs_but_for_p): Remove.
5967         (reg_set_in_bb): Make it static.
5968         (regmove_optimize): Remove flag_ira and code which worked for
5969         !flag_ira.
5970
5971         * local-alloc.c: Remove the file.
5972
5973         * common.opt (fira): Remove.
5974
5975         * ira.c: Include except.h.
5976         (eliminable_regset): Move from global.c.
5977         (mark_elimination): Ditto.  Remove flag_ira.
5978         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5979         equiv_mem_modified, validate_equiv_mem_from_store,
5980         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5981         contains_replace_regs, memref_referenced_p, memref_used_between_p,
5982         no_equiv, recorded_label_ref): Move from local-alloc.c.
5983         (update_equiv_regs): Ditto.  Make it static.
5984         (print_insn_chain, print_insn_chains): Move it from global.c.
5985         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
5986         (build_insn_chain): Ditto.  Make it static.
5987         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
5988         Rename to init_live_subregs.
5989         (gate_ira): Remove flag_ira.
5990
5991         * regclass.c: Rename reginfo.c.  Change file description.
5992         (FORBIDDEN_INC_DEC_CLASSES): Remove.
5993         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5994         (init_reg_sets_1): Remove code for evaluation of
5995         reg_class_superclasses and losing_caller_save_reg_set.
5996         (init_regs): Remove init_reg_autoinc.
5997         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5998         ok_for_base_p_nonstrict): Remove.
5999         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
6000         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
6001         corresponding entries.
6002         (dump_regclass, record_operand_costs, scan_one_insn,
6003         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6004         record_address_regs, auto_inc_dec_reg_p): Remove.
6005         (gt-regclass.h): Rename to gt-reginfo.h.
6006
6007         * rtl.h (dump_global_regs, retry_global_alloc,
6008         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6009
6010         * Makefile.in (RA_H): Remove.
6011         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6012         Rename regclass.o to reginfo.o.
6013         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6014         gt-reginfo.h.
6015         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6016         (GTFILES): Rename regclass.c to reginfo.c.
6017
6018         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6019         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6020
6021         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6022         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6023         Remove flag_ira.
6024         (finish_spills): Ditto.  Remove code for !flag_ira.
6025         
6026 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6027
6028         PR middle-end/35854
6029         * doc/invoke.texi (rtl debug options): Complete rewrite.
6030         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6031         to auto_inc_dec".
6032         * mode-switching.c (pass_mode_switching): Rename pass from
6033         "mode-sw" to "mode_sw".
6034         * except.c (pass_convert_to_eh_ranges): Rename pass from
6035         "eh-ranges" to "eh_ranges".
6036         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6037         to "subreg1".
6038                 
6039         
6040 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6041             Alexander Monakov  <amonakov@ispras.ru>
6042
6043         PR middle-end/38857
6044         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6045         register.
6046         (move_exprs_to_boundary): Change return type and pass through
6047         should_move from move_op.  Relax assert.  Update usage ...
6048         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6049         cant_move.
6050         (move_op_orig_expr_found): Indicate that insn was disconnected from
6051         stream.
6052         (code_motion_process_successors): Do not call after_merge_succs
6053         callback if original expression was not found when traversing any of
6054         the branches.
6055         (code_motion_path_driver): Change return type.  Update prototype.
6056         (move_op): Update comment.  Add a new parameter (should_move).  Update
6057         prototype.  Set *should_move based on indication provided by
6058         move_op_orig_expr_found.
6059
6060 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6061
6062         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6063         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6064         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6065         * config/rs6000/rs6000.c (rs6000_override_options): Default
6066         avoid-indexed-addresses on for Power6, off for everything else.
6067         (avoiding_indexed_address_p): New function.
6068         (rs6000_legitimize_address): Use it.
6069         (rs6000_legitimate_address): Likewise.
6070         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6071
6072 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6073
6074         PR tree-optimization/38997
6075         * tree-loop-distribution.c (generate_memset_zero): Use
6076         POINTER_PLUS_EXPR for a pointer addition.
6077
6078 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6079
6080         * config/s390/s390.md (bswap<mode>2): New pattern added.
6081
6082 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6083
6084         * config/s390/s390.md (*tls_load_31): Added type attribute.
6085
6086 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6087
6088         * config/s390/s390.md: Fix a few comments.
6089
6090 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6091
6092         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6093         (*tm<mode>_full): Fixed z10prop attribute.
6094         (*tst<mode>_extimm): Fixed z10prop attribute.
6095         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6096         (*tstqiCCT_cconly): Fixed z10prop attribute.
6097         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6098         (*movsi_larl): Fixed z10prop attribute.
6099         (*movsi_zarch): Fixed z10prop attribute.
6100         (*movsi_eas): Fixed z10prop attribute.
6101         (*movhi): Fixed z10prop attribute.
6102         (*movqi): Fixed z10prop attribute.
6103         (*movstrictqi): Fixed z10prop attribute.
6104         (*mov<mode>): Fixed z10prop attribute.
6105         (*movcc): Fixed z10prop attribute.
6106         (*sethighpartdi_64): Fixed z10prop attribute.
6107         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6108         (*negdi2_sign_cc): Fixed z10prop attribute.
6109         (*negdi2_sign): Fixed z10prop attribute.
6110         (*absdi2_sign_cc): Fixed z10prop attribute.
6111         (*absdi2_sign): Fixed z10prop attribute.
6112         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6113         (*negabsdi2_sign): Fixed z10prop attribute.
6114         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6115         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6116         (doloop_si64): Fixed z10prop attribute.
6117         (doloop_si31): Fixed z10prop attribute.
6118         (doloop_long): Fixed z10prop attribute.
6119         (indirect_jump): Fixed z10prop attribute.
6120         (nop): Fixed z10prop attribute.
6121         (main_base_64): Fixed z10prop attribute.
6122         (reload_base_64): Fixed z10prop attribute.
6123
6124 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6125
6126         PR rtl-optimization/38740
6127         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6128         if !optimize.
6129         * config/mips/mips.c (mips_reorg): Likewise.
6130
6131 2009-01-28  Richard Guenther  <rguenther@suse.de>
6132
6133         PR tree-optimization/38926
6134         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6135         with the correct value id to a value.
6136         (do_regular_insertion): Use the value number of edoubleprime
6137         for the value number of the expr.
6138
6139         Revert
6140         2008-08-21  Richard Guenther  <rguenther@suse.de>
6141
6142         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6143         a PHI ask VN if it is already available.
6144         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6145         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6146
6147 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6148
6149         PR middle-end/38934
6150         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6151         set to varying whenever max has TREE_OVERFLOW set, similarly
6152         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6153
6154 2009-01-28  Richard Guenther  <rguenther@suse.de>
6155
6156         PR middle-end/38908
6157         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6158         uninitialized aggregate uses in call arguments.
6159
6160 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6161
6162         PR tree-optimization/38984
6163         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6164         the nothing_id variable if -fno-delete-null-pointer-checks.
6165
6166 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6167
6168         PR target/38988
6169         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6170         (set_got_offset_rex64): Ditto.
6171
6172 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6173
6174         PR target/38941
6175         * doc/extend.texi: Improve local variable with asm reg.
6176
6177 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6178
6179         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6180         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6181         was not supplied then set warn_packed_bitfield_compat to the
6182         default value of 1.
6183         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6184         against 1.
6185
6186 2009-01-27  Richard Guenther  <rguenther@suse.de>
6187
6188         PR tree-optimization/38503
6189         * cfgexpand.c (expand_gimple_basic_block): Ignore
6190         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6191         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6192         variables that cannot have TBAA applied.
6193         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6194         statements.
6195
6196 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6197
6198         PR middle-end/38969
6199         * calls.c (initialize_argument_information): Do not wrap complex
6200         arguments in SAVE_EXPR.
6201
6202 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6203
6204         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6205         (INSTALL_LIBGCC): Revert typo commit.
6206
6207 2009-01-26  Richard Guenther  <rguenther@suse.de>
6208
6209         PR tree-optimization/38745
6210         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6211         from special handling.
6212
6213 2009-01-26  Richard Guenther  <rguenther@suse.de>
6214
6215         PR tree-optimization/38745
6216         * tree-ssa.c (execute_update_addresses_taken): Do not include
6217         variables that cannot possibly be a register in not_reg_needs.
6218         Do not clear TREE_ADDRESSABLE on vars that may not become
6219         registers.
6220         * tree-ssa.c (update_alias_info_1): Include those in the set
6221         of addressable vars.
6222
6223 2009-01-26  Richard Guenther  <rguenther@suse.de>
6224
6225         PR middle-end/38851
6226         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6227         * tree-ssa-dse.c: Include langhooks.h
6228         (execute_simple_dse): Remove stores with zero size.
6229
6230 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6231
6232         PR c/38957
6233         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6234         as PLUS_EXPR.
6235
6236 2009-01-24  Julian Brown  <julian@codesourcery.com>
6237
6238         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6239         config/arm/linux-atomic.c.
6240         * config/arm/linux-atomic.c: New.
6241
6242 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6243
6244         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6245         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6246         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6247
6248 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6249
6250         PR c/38938
6251         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6252         properly.
6253
6254 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6255
6256         PR tree-optimization/38953
6257         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6258         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6259         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6260         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6261         changed the CFG.
6262
6263 2009-01-24  Paul Brook  <paul@codesourcery.com>
6264
6265         * config/arm/neon.md (neon_type): Move to arm.md.
6266         (neon_mov<VSTRUCT>): Add neon_type attribute.
6267         * config/arm/arm.md (neon_type): Move to here.
6268         (conds): Add "unconditioal" and use as default for NEON insns.
6269
6270 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6271
6272         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6273         void *' warning from -Wc++-compat.
6274         * Makefile.in (dominance.o-warn): Remove.
6275
6276 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6277
6278         PR tree-optimization/38932
6279         * fold-const.c (fold_unary_ignore_overflow): New.
6280         * tree.h (fold_unary_ignore_overflow): Declare.
6281         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6282         * tree-ssa-sccvn.c (visit_reference_op_load,
6283         simplify_unary_expression): Likewise.
6284
6285 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6286
6287         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6288         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6289         regardless of their type.
6290         * c-common.c (handle_packed_attribute): Don't ignore packed on
6291         bitfields.
6292         * c.opt (Wpacked-bitfield-compat): New warning option.
6293         * stor-layout.c (place_field): Warn if offset of a field changed.
6294         * doc/extend.texi (packed): Mention the ABI change.
6295         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6296         (Warning Options): Add it to the list.
6297
6298 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6299
6300         * c-opts.c (c_common_post_options): Fix a typo in comments.
6301
6302 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6303
6304         PR middle-end/38615
6305         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6306         variables to static.
6307         * doc/invoke.texi (-fmerge-all-constants): Update description.
6308
6309 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6310
6311         PR target/38931
6312         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6313         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6314
6315 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6316
6317         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6318         a word boundary.
6319         (LOCAL_ALIGNMENT): Similarly.
6320
6321 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6322             Joseph Myers  <joseph@codesourcery.com>
6323
6324         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6325         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6326         * config/arm/arm-tune.md: Regenerate.
6327         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6328         -march=iwmmxt2.
6329
6330 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6331
6332         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6333         version number to five.
6334
6335 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6336
6337         PR c++/38930
6338         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6339         * c-common.c (set_underlying_type): Likewise.
6340         (is_typedef_decl ): Likewise
6341         * tree.h: Likewise
6342         (set_underlying_type): Likewise.
6343         (is_typedef_type): Likewise.
6344
6345 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6346
6347         PR middle-end/38587
6348         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6349         crossing setjmps.
6350
6351 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6352
6353         PR bootstrap/37660
6354         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6355         (LIBGCC_SPEC):  Don't define.
6356         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6357
6358 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6359
6360         PR rtl-optimization/38879
6361         * alias.c (base_alias_check): Unaligned access via AND address can
6362         alias all surrounding object types except those with sizes equal
6363         or wider than the size of unaligned access.
6364
6365 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6366
6367         PR c++/26693
6368         * c-decl.c (clone_underlying_type): Move this ...
6369         * c-common.c (set_underlying_type): ... here.
6370         Also, make sure the function properly sets TYPE_STUB_DECL() on
6371         the newly created typedef variant type.
6372         (is_typedef_decl ): New entry point.
6373         * tree.h: Added a new member member_types_needing_access_check to
6374         struct tree_decl_non_common.
6375         (set_underlying_type): New entry point.
6376         (is_typedef_type): Likewise.
6377
6378 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6379
6380         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6381         Check whether two instructions have memory references that
6382         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6383         are helper functions for traversing.
6384         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6385         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6386         not to draw dependency edge for instructions with non-conflicting
6387         alias sets.
6388
6389 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6390
6391         PR other/38758
6392         * longlong.h: Update copyright years.  Use soft-fp license notice.
6393         Sync __clz_tab declaration with glibc.
6394
6395 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6396
6397         PR target/30687
6398         * doc/extend.texi (syscall_linkage): New.
6399         (version_id): Modify.
6400
6401 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6402             Richard Guenther  <rguenther@suse.de>
6403
6404         PR tree-optimization/38747
6405         PR tree-optimization/38748
6406         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6407         conversion if the base address is an indirect reference and the
6408         aliasing sets could cause issues.
6409
6410 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6411
6412         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6413         explaining why these options are not documented.
6414
6415 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6416
6417         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6418         gimple_call_lhs is NULL.
6419
6420 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6421
6422         PR target/38868
6423         * emit-rtl.c (adjust_address_1): Make sure memref is never
6424         overwritten.
6425
6426 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6427
6428         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6429         const qualifier from arg parameter. Remove unnecessary cast to char *.
6430         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6431         const qualifier from arg 2.
6432
6433 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6434
6435         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6436
6437 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6438
6439         PR c/38869
6440         * rtl.h (reinit_regs): New prototype.
6441         * regclass.c: Include ira.h.
6442         (reinit_regs): New.
6443         * Makefile.in (regclass.o): Add ira.h.
6444         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6445
6446 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6447
6448         PR target/38736
6449         * c-common.c (handle_aligned_attribute): Use
6450         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6451         default alignment value.
6452
6453         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6454
6455         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6456         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6457
6458         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6459         __BIGGEST_ALIGNMENT__.
6460
6461         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6462
6463 2009-01-18  Richard Guenther  <rguenther@suse.de>
6464
6465         PR tree-optimization/38819
6466         * tree-flow.h (operation_could_trap_helper_p): Declare.
6467         * tree-eh.c (operation_could_trap_helper_p): Export.
6468         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6469         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6470         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6471         are about to insert a possibly trapping instruction and fail
6472         in this case.
6473
6474 2009-01-18  Andreas Schwab  <schwab@suse.de>
6475
6476         * doc/install.texi (Configuration): Remove obsolete paragraph
6477         about use of --with-gnu-ld with --with-gnu-as.
6478
6479 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6480
6481         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6482         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6483         Follow spelling conventions.
6484
6485 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6486
6487         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6488         C++ warning about implicit conversion from void * to struct
6489         bitmap_head_def *.
6490         (bitmap_obstack_free): Likewise for bitmap_element *.
6491         * Makefile.in (bitmap.o-warn): Remove.
6492
6493 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6494
6495         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6496
6497 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6498             Tobias Grosser  <tobi.grosser@amd.com>
6499
6500         * graphite.c (graphite_trans_scop_block): Do not block single
6501         nested loops.
6502
6503 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6504
6505         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6506         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6507         test with assertion.
6508
6509 2009-01-16  Richard Guenther  <rguenther@suse.de>
6510
6511         PR tree-optimization/38835
6512         PR middle-end/36227
6513         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6514         and INT + PTR -> (INT)(PTR p+ INT) folding.
6515         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6516
6517 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6518
6519         PR target/38554
6520         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6521         the subreg from a lowpart subreg if it is also casting the value.
6522
6523 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6524             Tobias Grosser  <tobi.grosser@amd.com>
6525
6526         * graphite.c (compare_prefix_loops): New.
6527         (build_scop_canonical_schedules): Rewritten.
6528         (graphite_transform_loops): Move build_scop_canonical_schedules
6529         after build_scop_iteration_domain.
6530
6531 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6532             Tobias Grosser  <tobi.grosser@amd.com>
6533
6534         * graphite.c (add_conditions_to_domain): Add the loops to 
6535         the dimension of the iteration domain.  Do copy the domain
6536         only when it exists.
6537         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6538         (add_conditions_to_constraints): New.
6539         (can_generate_code_stmt, can_generate_code): Removed.
6540         (gloog): Do not call can_generate_code.
6541         (graphite_transform_loops): Call add_conditions_to_constraints
6542         after building the iteration domain.
6543
6544 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6545
6546         PR tree-optimization/38789
6547         * tree-ssa-threadedge.c
6548         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6549         __builtin_constant_p.
6550
6551 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6552
6553         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6554         examined before deleting them.
6555         
6556 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6557
6558         * function.c (aggregate_value_p): Correctly extract the function
6559         type from CALL_EXPR_FN lookup.
6560
6561 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6562
6563         * config/picochip/picochip.c (picochip_override_options): Revert
6564         CFI asm flag disable commited previously.
6565
6566 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6567             Tobias Grosser  <tobi.grosser@amd.com>
6568             Jan Sjodin  <jan.sjodin@amd.com>
6569
6570         * graphite.c (scan_tree_for_params): On substractions negate
6571         all the coefficients of the term.
6572         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6573         of more than two operands.
6574         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6575         (get_vdef_before_scop): Handle also the case of default definitions.
6576
6577 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6578
6579         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6580         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6581         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6582
6583 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6584             Joey Ye  <joey.ye@intel.com>
6585
6586         PR middle-end/37843
6587         * cfgexpand.c (expand_stack_alignment): Don't update stack
6588         boundary nor check incoming stack boundary here.
6589         (gimple_expand_cfg): Update stack boundary and check incoming
6590         stack boundary here.
6591
6592 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6593
6594         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6595         
6596 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6597
6598         PR rtl-optimization/38245
6599         * calls.c (expand_call): Add stack arguments to
6600         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6601         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6602         in regs and partially in memory or BLKmode arguments.
6603         (emit_library_call_value_1): Add stack arguments to
6604         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6605         ACCUMULATE_OUTGOING_ARGS).
6606         * dce.c: Include tm_p.h.
6607         (find_call_stack_args): New function.
6608         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6609         argument.
6610         (mark_insn): Call find_call_stack_args for CALL_Ps.
6611         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6612         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6613         down to deletable_insn_p, don't mark stores set in arg_stores
6614         bitmap, clear the bitmap at the beginning of each bb.
6615         * Makefile.in (dce.o): Depend on $(TM_P_H).
6616
6617 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6618
6619         PR target/22599
6620         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6621         to make sure the insn is a conditional test (bug 22599).  Reformat a
6622         few long lines.
6623
6624 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6625
6626         PR middle-end/38431
6627         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6628         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6629         (gloog): Do not call cleanup_tree_cfg.
6630         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6631         scops have been code generated.
6632
6633 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6634         * doc/gty.texi (Invoking the garbage collector): Added new node
6635         and section documenting ggc_collect.
6636
6637 2009-01-14  Richard Guenther  <rguenther@suse.de>
6638
6639         PR tree-optimization/38826
6640         PR middle-end/38477
6641         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6642         initialization notes only if we actually emitted a warning.
6643         (intra_create_variable_infos): Add constraints for a result decl
6644         that is passed by hidden reference.
6645         (build_pred_graph): Mark all related variables non-direct on
6646         address-taking.
6647
6648 2009-01-14  Nick Clifton  <nickc@redhat.com>
6649
6650         * ira-conflicts.c: Include addresses.h for the definition of
6651         base_reg_class.
6652         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6653         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6654
6655 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6656
6657         PR target/38811
6658         * Makefile.in (ira-lives.o): Add except.h.
6659
6660         * ira-lives.c: Include except.h.
6661         (process_bb_node_lives): Process can_throw_internal.
6662
6663 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6664
6665         PR rtl-optimization/38774
6666         * combine.c (simplify_set): When undoing cc_use change, don't do
6667         PUT_CODE on the newly created comparison, but instead put back the
6668         old comparison.
6669
6670 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6671
6672         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6673         values.  Remove duplicate arm8 entry.
6674
6675 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6676
6677         PR tree-optimization/38786
6678         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6679         the SSA_NAME case of expand_scalar_variables_expr.
6680         Set the type of an expression to the type of its assign statement.
6681         (expand_scalar_variables_expr): Also gather the scalar computation
6682         used to index the memory access.  Do not pass loop_p.
6683         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6684         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6685         the gimple_stmt_iterator where it inserts new code.
6686         Do not pass loop_p.
6687         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6688         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6689
6690 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6691
6692         * graphite.h (debug_value): Removed.
6693         * graphite.c (debug_value): Removed.
6694
6695 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6696
6697         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6698         ldrd/strd with two 32-bit instructions.
6699
6700 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6701
6702         * config/arm/arm.c (struct processors): Pass for speed down into
6703         cost helper functions.
6704         (const_ok_for_op): Handle COMPARE and inequality nodes.
6705         (arm_rtx_costs_1): Rewrite.
6706         (arm_size_rtx_costs): Update prototype.
6707         (arm_rtx_costs): Pass speed down to helper functions.
6708         (arm_slowmul_rtx_costs): Rework cost calculations.
6709         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6710         (arm_9e_rtx_costs): Likewise.
6711
6712 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6713
6714         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6715         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6716         (alpha_legitimize_address): Do not split local symbols wider than
6717         UNITS_PER_WORD into HIGH/LO_SUM parts.
6718
6719 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6720
6721         PR bootstrap/38580
6722         * gcc.c (process_command): Replace call to execvp with calls
6723         to pex_one and exit.
6724
6725 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6726
6727         PR target/29141
6728         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6729         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6730         variant for devices with 3-byte PC.
6731         (__tablejump_elpm__): New.
6732
6733 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6734
6735         PR c/32041
6736         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6737         offsetof member-designator, handle it as `[0].'.
6738
6739 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6740
6741         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6742         function when not using named sections on targets with named sections
6743         if branch distance is less than 262132.
6744
6745 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6746
6747         * combine.c (combine_instructions):  Recompute
6748         optimize_this_for_speed_p  for each BB in the main combine loop.
6749
6750 2009-01-12  Tomas Bily  <tbily@suse.cz>
6751
6752         PR middlend/38385
6753         * tree-loop-distribution.c (prop_phis): New function.
6754         (generate_builtin): Call prop_phis.
6755         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6756
6757 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6758
6759         PR tree-optimization/38807
6760         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6761         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6762
6763 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6764
6765         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6766         subreg of op0 to the original op0.
6767
6768 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6769
6770         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6771         
6772 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6773
6774         PR debug/7055
6775         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6776         starting with digits.
6777
6778 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6779
6780         PR target/38695
6781         * config/arm/arm.c (arm_is_long_call_p): Don't call
6782         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6783
6784 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6785
6786         * regrename.c (regrename_optimize): Fix dumping.
6787         (find_oldest_value_reg): Preserve REG_POINTER.
6788         (copy_hardreg_forward_1): Likewise.
6789
6790 2009-01-09  Diego Novillo  <dnovillo@google.com>
6791
6792         * gimple.h (struct gimple_statement_base) <uid>: Document
6793         the restrictions on its use.
6794         (gimple_uid): Tidy.
6795         (gimple_set_uid): Tidy.
6796
6797 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6798
6799         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6800         zero guard even if align_bytes != 0 and count is smaller than
6801         size_needed.
6802
6803 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6804
6805         PR rtl-optimization/38495
6806         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6807         (add_range_and_copies_from_move_list): Print all added ranges.
6808         Add ranges to memory optimized destination.
6809
6810 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6811
6812         PR target/38686
6813         PR target/38708
6814         * config/i386/i386.c (override_options): Reject
6815         -mstringop-strategy=rep_8byte with -m32.
6816         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6817         to 1.  Do count comparison against epilogue_size_needed at compile
6818         time even when count_exp was constant forced into register.  For
6819         size_needed don't jump to epilogue, instead just avoid aligning
6820         and invoke the body algorithm.  If need_zero_guard, add zero guard
6821         even if count is non-zero, but smaller than size_needed + number of
6822         bytes that could be stored for alignment.
6823         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6824         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6825         but smaller than size_needed + number of bytes that could be stored
6826         for alignment.  Compare size_needed with epilogue_size_needed instead
6827         of desired_align - align, don't adjust size_needed, pass
6828         epilogue_size_needed to the epilogue expanders.
6829
6830         PR c/35742
6831         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6832
6833 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6834
6835         * pa.c (last_address): Change to unsigned.
6836         (update_total_code_bytes): Change argument to unsigned.  Don't
6837         check if insn addresses are set.
6838         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6839         addresses are not set.
6840         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6841
6842 2009-01-09  Nick Clifton  <nickc@redhat.com>
6843
6844         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6845         DECL_DECLARED_INLINE_P.
6846
6847 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6848
6849         PR middle-end/38347
6850         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6851         GET_MODE (op0) in operand_subword_force calls.
6852
6853         PR middle-end/38771
6854         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6855         fold_convert arg0 operands to TREE_TYPE (op0) first.
6856
6857 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6858
6859         * params.def (ira-max-conflict-table-size): Decrease default value
6860         to 1000.
6861
6862 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6863
6864         PR tree-optimization/37031
6865         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6866         on parameter_set.
6867         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6868         allocate it using gc instead of heap, use VEC_quick_push instead of
6869         VEC_safe_push.
6870         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6871         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6872         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6873         allocated vector from heap allocated.
6874         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6875         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6876         vector only after perfect_loop_nest_depth call.
6877
6878 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6879             Jan Sjodin  <jan.sjodin@amd.com>
6880
6881         PR tree-optimization/38559
6882         * graphite.c (debug_value, copy_constraint,
6883         swap_constraint_variables, scale_constraint_variable, ): New.
6884         (get_lower_bound, get_upper_bound): Removed.
6885         (graphite_trans_bb_strip_mine): Clean up this code that works
6886         only for constant number of iterations.  Fully copy upper and
6887         lower bound constraints, not only the constant part of them.
6888         * graphite.h (debug_value): Declared.
6889
6890 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6891
6892         PR tree-optimization/37194
6893         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6894         Don't add the cost of cost model guard in prologue to scalar 
6895         outside cost in case of known number of iterations.
6896
6897 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6898             Alan Modra  <amodra@bigpond.net.au>
6899
6900         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6901         non-word-aligned REG+CONST addressing.
6902
6903 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6904
6905         PR target/38706
6906         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6907         free_after_compilation when outputting a thunk.
6908         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6909         Do not call free_after_compilation here.
6910
6911 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6912
6913         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6914         (ix86_valid_target_attribute_inner_p): Ditto.
6915
6916 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6917
6918         PR tree-optimization/38492
6919         PR tree-optimization/38498
6920         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6921         * tree-chrec.h (scev_is_linear_expression): Declared.
6922         * graphite.c (graphite_cannot_represent_loop_niter): New.
6923         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6924         (graphite_loop_normal_form): Use gcc_assert.
6925         (scan_tree_for_params): Use CASE_CONVERT.
6926         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6927         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6928         Use gcc_assert.  Discard scops that contain unhandled cases.
6929         (build_scop_conditions): Return a boolean status for unhandled cases.
6930         (strip_mine_profitable_p): Print the loop number, not its depth.
6931         (is_interchange_valid): Pass the depth of the loop nest, don't
6932         recompute it wrongly.
6933         (graphite_trans_bb_block): Same.
6934         (graphite_trans_bb_block): Print tentative of loop blocking.
6935         (graphite_trans_scop_block): Do not print that the loop has been
6936         blocked.
6937         (graphite_transform_loops): Do not handle scops that contain condition
6938         scalar phi nodes.
6939
6940 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6941
6942         AVX Programming Reference (December, 2008)
6943         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6944         (_mm256_stream_pd): Likewise.
6945         (_mm256_stream_ps): Likewise.
6946
6947         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6948         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6949         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6950         (bdesc_special_args): Add __builtin_ia32_movntdq256,
6951         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6952         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6953         (ix86_expand_special_args_builtin): Likewise.
6954
6955         * config/i386/sse.md (AVXMODEDI): New.
6956         (avx_movnt<mode>): Likewise.
6957         (avx_movnt<mode>): Likewise.
6958         (<sse>_movnt<mode>): Remove AVX support.
6959         (sse2_movntv2di): Likewise.
6960
6961 2009-01-07  Richard Guenther  <rguenther@suse.de>
6962
6963         PR middle-end/38751
6964         * fold-const.c (extract_muldiv): Remove obsolete comment.
6965         (fold_plusminus_mult_expr): Undo MINUS_EXPR
6966         to PLUS_EXPR canonicalization for the canonicalization.
6967
6968 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
6969
6970         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6971         hosted cross-compilers generating less efficient code.
6972
6973 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6974
6975         * function.h (rtl_data): Add a dbr_scheduled_p field.
6976         * reorg.c (dbr_schedule): Set it.
6977         (gate_handle_delay_slots): Check it.
6978         * config/mips/mips.c (mips_base_delayed_branch): Delete.
6979         (mips_reorg): Check flag_delayed_branch instead of
6980         mips_base_delayed_branch.
6981         (mips_override_options): Don't set mips_base_delayed_branch
6982         or flag_delayed_branch.
6983
6984 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6985
6986         PR rtl-optimization/38426.
6987         * ira.c (ira): Set current_function_is_leaf earlier.
6988
6989 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
6990
6991         PR rtl-optimization/38722
6992         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6993         too early, only set a flag and modify after last possible
6994         undo_all point.
6995
6996 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
6997
6998         PR c/34252
6999         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7000         * real.c (decimal_single_format): Correct values of emin and emax.
7001         (decimal_double_format): Ditto.
7002         (decimal_quad_format): Ditto.
7003         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7004         computation of DECnn_MIN and DECnn_MAX for corrected values of
7005         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
7006         __DECnn_MIN__, and adjust its computation for the corrected value
7007         of emin.
7008
7009 2009-01-06  Jan Hubicka  <jh@suse.cz>
7010
7011         PR target/38744
7012         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7013
7014 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7015
7016         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7017         Add Robert Clark to the list of testers.
7018
7019 2009-01-06  Jan Hubicka  <jh@suse.cz>
7020             Kai Tietz  <kai.tietz@onevision.com>
7021
7022         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7023         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7024
7025 2009-01-06  Jan Hubicka  <jh@suse.cz>
7026             Kai Tietz  <kai.tietz@onevision.com>
7027
7028         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7029         for w64 ABI.
7030         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7031         (ix86_nsaved_regs): Count only general purpose regs.
7032         (ix86_nsaved_sseregs): New.
7033         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7034         to 16 for w64; compute padding and size of sse reg save area.
7035         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7036         general purpose regs.
7037         (ix86_emit_save_sse_regs_using_mov): New.
7038         (ix86_expand_prologue): Save SSE regs if needed.
7039         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7040         (ix86_emit_restore_sse_regs_using_mov): New.
7041         (ix86_expand_epilogue): Save SSE regs if needed.
7042
7043 2009-01-06  Jan Hubicka  <jh@suse.cz>
7044             Kai Tietz  <kai.tietz@onevision.com>
7045
7046         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7047         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7048         functions when accumulate outgoing args is off.
7049
7050 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7051
7052         PR bootstrap/38742
7053         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7054         before using pseudos_have_intersected_live_ranges_p.
7055
7056         * ira-int.h (ira_assert): Always define.
7057
7058 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7059
7060         AVX Programming Reference (December, 2008)
7061         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7062         (_mm256_permute2_pd): Likewise.
7063         (_mm_permute2_ps): Likewise.
7064         (_mm256_permute2_ps): Likewise.
7065         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7066         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7067
7068         * config/i386/i386.c (ix86_builtins): Remove
7069         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7070         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7071         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7072         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7073         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7074         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7075         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7076         __builtin_ia32_vpermil2ps256.
7077         (ix86_init_mmx_sse_builtins): Updated.
7078         (ix86_expand_args_builtin): Likewise.
7079
7080 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7081
7082         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7083         long absolute calls when generating PA 2.0 code.
7084
7085 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7086
7087         PR rtl-optimization/38583
7088         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7089
7090         * params.def (ira-max-conflict-table-size): New.
7091
7092         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7093         
7094         * ira.h (ira_conflicts_p): New external definition.
7095         
7096         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7097         table.  Report this.  Return result of building.
7098         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7099         building conflict table.
7100
7101         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7102         (ira_color): Use ira_conflicts_p.
7103         
7104         * global.c: Include ira.h.
7105         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7106         ira_conflicts_p.
7107
7108         * Makefile.in (global.o): Add ira.h.
7109         
7110         * ira-build.c (mark_all_loops_for_removal,
7111         propagate_some_info_from_allocno): New.
7112         (remove_unnecessary_allocnos): Call
7113         propagate_some_info_from_allocno.
7114         (remove_low_level_allocnos): New.
7115         (remove_unnecessary_regions): Add parameter.  Call
7116         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7117         parameter to remove_unnecessary_regions.
7118         (ira_build): Remove all regions but root if the conflict table was
7119         not built.  Update conflict hard regs for allocnos crossing calls.
7120
7121         * ira.c (ira_conflicts_p): New global.
7122         (ira): Define and use ira_conflicts_p.
7123
7124         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7125         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7126         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7127         
7128 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7129
7130         * gengtype-lex.l (YY_NO_INPUT): Define.
7131
7132 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7133
7134         PR c/34911
7135         * c-common.c (handle_vector_size_attribute): Also reject
7136         BOOLEAN_TYPE types.
7137
7138 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7139
7140         PR tree-optimization/38492
7141         * graphite.c (rename_map_elt, debug_rename_elt,
7142         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7143         rename_map_elt_info, eq_rename_map_elts,
7144         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7145         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7146         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7147         (sese_build_livein_liveouts): New.
7148         (new_sese, free_sese): New.
7149         (new_scop): Call new_sese.
7150         (free_scop): Call free_sese.
7151         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7152         (register_old_new_names): Renamed register_old_and_new_names.
7153         (register_scop_liveout_renames, add_loop_exit_phis,
7154         insert_loop_close_phis, struct igp,
7155         default_liveout_before_guard, add_guard_exit_phis,
7156         insert_guard_phis, copy_renames): New.
7157         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7158         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7159         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7160         (scop_adjust_phis_for_liveouts): New.
7161         (gloog): Call scop_adjust_phis_for_liveouts.
7162
7163         * graphite.h (struct sese): Documented.  Added fields liveout,
7164         num_ver and livein.
7165         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7166         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7167         (struct scop): Added field liveout_renames.
7168         (SCOP_LIVEOUT_RENAMES): New.
7169
7170 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7171
7172         PR tree-optimization/38510
7173         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7174         (translate_clast): Call recompute_all_dominators before
7175         graphite_verify.
7176         (gloog): Call recompute_all_dominators before graphite_verify.
7177
7178 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7179             Jan Sjodin  <jan.sjodin@amd.com>
7180
7181         PR tree-optimization/38500
7182         * graphite.c (create_sese_edges): Call fix_loop_structure after
7183         splitting blocks.
7184
7185 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7186
7187         * config.gcc: Add m32r*-*-rtems*.
7188         * config/m32r/rtems.h: New file.
7189
7190 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7191
7192         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7193         (.po.pox): Likewise.
7194         (po/gcc.pot): Likewise.
7195
7196 2009-01-04  David S. Miller  <davem@davemloft.net>
7197
7198         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7199         (STARTING_FRAME_OFFSET): Always set to zero.
7200
7201 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7202
7203         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7204         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7205         fixed-point types, and vectors of the same.
7206
7207 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7208
7209         * config/mips/sync.md (*mb_barrier): Rename to...
7210         (*memory_barrier): ...this.
7211
7212 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7213
7214         * doc/extend.texi (Function Attributes): Move @cindex after @item
7215         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7216         and put in alphabetical order. Fix 'target' name and put in order.
7217         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7218         typos.
7219
7220 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7221
7222         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7223         (memory_barrier): Expand as unspec instead of unspec_volatile.
7224         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7225         (*memory_barrier): Define as unspec instead of unspec_volatile.
7226         Use (match_dup 0) as input operand.
7227
7228         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7229         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7230         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7231         scratch register.  Remove operand 1.
7232         (*stbar): Define as unspec instead of unspec_volatile.
7233         Use (match_dup 0) as input operand, remove (const_int 8).
7234         (*membar): Define as unspec instead of unspec_volatile.
7235         Use (match_dup 0) as input operand, remove input operand 2.
7236
7237         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7238         (memory_barrier): Expand as unspec instead of unspec_volatile.
7239         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7240         (*memory_barrier): Define as unspec instead of unspec_volatile.
7241         Use (match_dup 0) as input operand.
7242
7243         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7244         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7245         Set volatile flag on operand 0.
7246         (*memory_barrier): New insn pattern.
7247
7248         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7249         insn operands.
7250         (*memory_barrier): Use (match_dup 0) as input operand.
7251
7252         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7253         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7254         Set volatile flag on operand 0.
7255         (*mb_internal): New insn pattern.
7256
7257         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7258
7259 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7260
7261         PR middle-end/38586
7262         * function.c (struct temp_slot): Move to the section of the file
7263         that deals with temp slots.  Remove field 'address'.
7264         (temp_slot_address_table): New hash table of address -> temp slot.
7265         (struct temp_slot_address_entry): New struct, items for the table.
7266         (temp_slot_address_compute_hash, temp_slot_address_hash,
7267         temp_slot_address_eq, insert_temp_slot_address): Support functions
7268         for the new table.
7269         (find_temp_slot_from_address): Rewrite to use the new hash table.
7270         (remove_unused_temp_slot_addresses): Remove addresses of temp
7271         slots that have been made available.
7272         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7273         worker function for remove_unused_temp_slot_addresses.
7274         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7275         Add the temp slot address to the address -> temp slot map.
7276         (update_temp_slot_address): Update via insert_temp_slot_address.
7277         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7278         (pop_temp_slots): Likewise.
7279         (init_temp_slots): Allocate the address -> temp slot map, or empty
7280         the map if it is already allocated.
7281         (prepare_function_start): Initialize temp slot processing.
7282
7283 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7284
7285         PR middle-end/38584
7286         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7287         Calculate the size of all stack vars assuming no packing of stack
7288         vars will happen, replacing a quadratic algorithm with a linear one.
7289
7290 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7291
7292         PR target/38707
7293         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7294         can't be used.
7295
7296 2009-01-03  Diego Novillo  <dnovillo@google.com>
7297
7298         * doc/contrib.texi: Update contributions.
7299
7300 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7301
7302         PR c++/38705
7303         * builtins.c (fold_builtin_memory_op): Give up if either operand
7304         is volatile.  Set srctype or desttype to non-qualified version
7305         of the other type.
7306
7307         PR c/38700
7308         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7309         and FUNCTION_DECLs.
7310
7311 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7312
7313         PR rtl-optimization/35805
7314         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7315         problem if fast dce is able to remove any instructions.
7316         * dce.c (dce_process_block): Fix dump message.
7317         
7318 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7319
7320         PR 33649
7321         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7322
7323 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7324
7325         PR middle-end/38690
7326         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7327         * tree-pretty-print.c (op_code_prio): New function.
7328         (op_prio): No longer static.  Use op_code_prio.
7329         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7330         Use op_prio and op_code_prio to determine if () should be
7331         printed around operand(s) or not.
7332
7333         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7334         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7335         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7336         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7337         pp_character instead of pp_string for single letter printing.
7338
7339 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7340
7341         * doc/extend.texi: Fix '#pragma GCC option' typo.
7342
7343 2009-01-02  Richard Guenther  <rguenther@suse.de>
7344
7345         * doc/install.texi (--enable-checking): Mention different
7346         default for stage1.
7347         (--enable-stage1-checking): Document.
7348
7349 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7350
7351         PR middle-end/30142
7352         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7353         case to be an error.
7354
7355 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7356
7357         * config/fp-bit.h (pack_d): Constify argument.
7358         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7359         (isnan): Constify argument.
7360         (isinf): Likewise.
7361         (iszero): Likewise.
7362         (pack_d): Likewise.
7363         (_fpadd_parts): Constify return type.
7364         (_fpmul_parts): Likewise.
7365         (_fpdiv_parts): Likewise.
7366
7367 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7368
7369         PR c/36489
7370         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7371         warn about overwriting initializer with side-effects or
7372         -Woverride-init if !IMPLICIT.
7373         (output_init_element): Likewise.  Pass IMPLICIT down to
7374         add_pending_init.
7375         (process_init_element): Add IMPLICIT argument.  Pass it down
7376         to output_init_element.
7377         (push_init_element, pop_init_level, set_designator): Adjust
7378         process_init_element callers.
7379         (set_nonincremental_init, set_nonincremental_init_from_string):
7380         Adjust add_pending_init callers.
7381         (output_pending_init_elements): Adjust output_init_element callers.
7382         * c-tree.h (process_init_element): Adjust prototype.
7383         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7384         process_init_element callers.