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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
2
3         * tree.c (function_args_count): Remove.
4         * tree.h: Remove the prototype for function_args_count.
5
6 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
7
8         * tree-iterator.c (expr_only): Remove.
9         * tree.h: Remove the prototype for expr_only.
10
11 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
12
13         * reginfo.c (cannot_change_mode_set_regs): Remove.
14         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
15
16 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
17
18         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
19         whether operands 0 and 1 overlaps.
20
21 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22
23         PR middle-end/36902
24         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
25         pointer. Use warning_at instead of warning.
26         (search_for_addr_array): Likewise.
27         (check_array_bounds): Likewise.
28         (check_all_array_refs): Check that the incoming edge is not in the
29         list of edges to be removed.
30         (check_all_array_refs): Avoid the temporal pointer.
31         (vrp_visit_cond_stmt): Fix typo.
32         (simplify_switch_using_ranges): Handle the case where the switch
33         index is an integer constant.
34
35 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
36
37         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
38
39 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
40
41         * doc/extend.texi, doc/invoke.texi: Fix typos.
42
43 2009-04-17  Cary Coutant  <ccoutant@google.com>
44
45         * tree-flow-inline.h (get_lineno): Fix inverted test.
46
47 2009-04-17  Diego Novillo  <dnovillo@google.com>
48
49         * tree-ssa-pre.c (create_expression_by_pieces): Remove
50         assertion for AVAIL_OUT.
51
52 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
53
54         PR target/38627
55         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
56         * config/sh/linux-atomic.asm: Likewise.
57
58 2009-04-17  Diego Novillo  <dnovillo@google.com>
59
60         * except.c (debug_eh_tree): New.
61         (struct eh_region, struct eh_status): Move ...
62         * except.h: ... here.
63         (add_type_for_runtime): Declare extern.
64         (lookup_type_for_runtime): Likewise.
65         (debug_eh_tree): Declare.
66         * Makefile.in (GTFILES): List except.h before except.c
67
68 2009-04-17  Diego Novillo  <dnovillo@google.com>
69
70         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT
71         for DECL.
72         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
73         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
74         (find_vars_r): ... here.
75         * tree-flow.h (find_referenced_vars_in): Declare.
76         * tree-ssa-pre.c (create_expression_by_pieces): Assert
77         that AVAIL_OUT exists for BLOCK.
78         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
79         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
80         (tree-parloops.o): Likewise.
81
82 2009-04-17  Simon Baldwin  <simonb@google.com>
83
84         * toplev.c (default_tree_printer): Add handling for %E format.
85
86 2009-04-17  Diego Novillo  <dnovillo@google.com>
87
88         * tree-pretty-print.c (dump_generic_node): Add break
89         after TREE_BINFO handler.
90         Handle COMPLEX_TYPE, REAL_TYPE and FIXED_POINT_TYPE
91         Handle NULL TREE_TYPEs.
92         Handle METHOD_TYPE and FUNCTION_TYPE together.
93         Call print_struct_decl when printing structures and
94         TDF_SLIM is not given.
95         (print_struct_decl): Fix logic for detecting recursion.
96
97 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
98
99         PR 31567
100         * gcc.c (create_at_file): New.
101         (compile_input_file_p): New.
102         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
103         * main.c (main): Update call to toplev_main.
104         * toplev.c (toplev_main): Change signature. Call expandargv.
105         * toplev.h (toplev_main): Change signature.
106
107 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
108
109         * dwarf2out.c (field_byte_offset): Use the type size as the field size
110         if the latter is not constant.
111
112 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
113
114         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
115
116 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
117
118         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
119         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
120
121 2009-04-17  Richard Guenther  <rguenther@suse.de>
122
123         * tree-ssa-structalias.c (get_constraint_for_component_ref):
124         Handle component references view-converting an invariant address.
125
126 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
127
128         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
129         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
130         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
131         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
132         Use @deftypevr rather than @deftypevar.
133
134 2009-04-17  Richard Guenther  <rguenther@suse.de>
135
136         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up
137         tuplification.
138         (get_prop_source_stmt): Likewise.
139         (can_propagate_from): Likewise.
140
141 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
142
143         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
144         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
145         (--with-multilib-list): Add default value.
146         * configure: Regenerate.
147         * Makefile.in (TM_ENDIAN_CONFIG): Define.
148         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
149         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
150         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
151         Don't add default cpu to multilib list unnecessarily, but do enable
152         the relevant compiler option..
153         Add support for --with-multilib-list=<blank> and
154         --with-multilib-list=!<somelib> to supress unwanted multilibs.
155         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
156         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
157         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
158         TM_MULTILIB_CONFIG.
159         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
160         (MULTILIB_OSDIRNAMES): New variable.
161         * config/sh/t-1e: Delete file.
162         * config/sh/t-mlib-sh1: Delete file.
163         * config/sh/t-mlib-sh2: Delete file.
164         * config/sh/t-mlib-sh2a: Delete file.
165         * config/sh/t-mlib-sh2a-nofpu: Delete file.
166         * config/sh/t-mlib-sh2a-single: Delete file.
167         * config/sh/t-mlib-sh2a-single-only: Delete file.
168         * config/sh/t-mlib-sh2e: Delete file.
169         * config/sh/t-mlib-sh3e: Delete file.
170         * config/sh/t-mlib-sh4: Delete file.
171         * config/sh/t-mlib-sh4-nofpu: Delete file.
172         * config/sh/t-mlib-sh4-single: Delete file.
173         * config/sh/t-mlib-sh4-single-only: Delete file.
174         * config/sh/t-mlib-sh4a: Delete file.
175         * config/sh/t-mlib-sh4a-nofpu: Delete file.
176         * config/sh/t-mlib-sh4a-single: Delete file.
177         * config/sh/t-mlib-sh4a-single-only: Delete file.
178         * config/sh/t-mlib-sh4al: Delete file.
179         * config/sh/t-mlib-sh5-32media: Delete file.
180         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
181         * config/sh/t-mlib-sh5-64media: Delete file.
182         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
183         * config/sh/t-mlib-sh5-compact: Delete file.
184         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
185         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
186         * doc/install.texi (Options specification): Add
187         --with-multilib-list and --with-endian.
188
189 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
190
191         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
192         REVISION_c.
193         (OBJS-common): Add plugin-version.o.
194         (plugin-version.o): New.
195         * gcc-plugin.h (plugin_gcc_version): New.
196         (plugin_default_version_check): New.
197         (plugin_init_func, plugin_init): Add version argument.
198         * plugin-version.c: New.
199         * plugin.c (str_plugin_gcc_version_name): New.
200         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
201         pass it to the init function.
202         (plugin_default_version_check): New.
203
204 2009-04-17  Richard Guenther  <rguenther@suse.de>
205
206         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
207         for decl-vs-decl disambiguation.
208
209 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
210
211         * config/s390/s390.h (s390_tune_attr): New macro definition.
212         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
213
214 2009-04-17  Richard Guenther  <rguenther@suse.de>
215
216         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
217         (fold_stmt_r): Likewise.
218         (maybe_fold_reference): New function.
219         (fold_gimple_assign): Handle cases fold_stmt_r did.
220         (fold_stmt): Do not use fold_stmt_r.
221         (fold_stmt_inplace): Likewise.
222
223 2009-04-17  Richard Guenther  <rguenther@suse.de>
224
225         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
226         (record_equivalences_from_stmt): Remove useless checks and
227         simplifications.
228         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
229         the type is already suitable.
230
231 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
232
233         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
234
235 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
236
237         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
238         (CMPtype): Define as __gcc_CMPtype.
239
240 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
241
242         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
243         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
244
245 2009-04-17  Richard Guenther  <rguenther@suse.de>
246
247         PR tree-optimization/39746
248         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
249         special-casing for builtins and static variable use/def.
250         (call_may_clobber_ref_p_1): Likewise.
251
252 2009-04-16  Ian Lance Taylor  <iant@google.com>
253
254         * df.h: Include "timevar.h".
255         (struct df_problem): Change tv_id field to timevar_id_t.
256         * tree-pass.h: Include "timevar.h".
257         (struct opt_pass): Change tv_id field to timevar_id_t.
258         * timevar.h (timevar_id_t): Define TV_NONE.
259         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
260         TV_NONE rather than tv_id != 0.
261         (execute_one_pass): Likewise.
262         * Makefile.in (DF_H): Add $(TIMEVAR_H).
263         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
264         dependencies to $(TREE_PASS_H).
265         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
266         to TV_NONE.
267         (pass_branch_target_load_optimize2): Likewise.
268         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
269         (pass_outof_cfg_layout_mode): Likewise.
270         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
271         (pass_rebuild_cgraph_edges): Likewise.
272         (pass_remove_cgraph_callee_edges): Likewise.
273         * df-core.c (pass_df_initialize_opt): Likewise.
274         (pass_df_initialize_no_opt): Likewise.
275         (pass_df_finish): Likewise.
276         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
277         * except.c (pass_set_nothrow_function_flags): Likewise.
278         (pass_convert_to_eh_region_ranges): Likewise.
279         * final.c (pass_compute_alignments): Likewise.
280         * function.c (pass_instantiate_virtual_regs): Likewise.
281         (pass_init_function): Likewise.
282         (pass_leaf_regs): Likewise.
283         (pass_match_asm_constraints): Likewise.
284         * gimple-low.c (pass_lower_cf): Likewise.
285         (pass_mark_used_blocks): Likewise.
286         * init-regs.c (pass_initialize_regs): Likewise.
287         * integrate.c (pass_initial_value_sets): Likewise.
288         * ira.c (pass_ira): Likewise.
289         * jump.c (pass_cleanup_barriers): Likewise.
290         * omp-low.c (pass_expand_omp): Likewise.
291         (pass_lower_omp): Likewise.
292         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
293         * recog.c (pass_split_all_insns): Likewise.
294         (pass_split_after_reload): Likewise.
295         (pass_split_before_regstack): Likewise.
296         (pass_split_before_sched2): Likewise.
297         (pass_split_for_shorten_branches): Likewise.
298         * reginfo.c (pass_reginfo_init): Likewise.
299         (pass_subregs_of_mode_init): Likewise.
300         (pass_subregs_of_mode_finish): Likewise.
301         * passes.c (pass_postreload): Likewise.
302         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
303         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
304         (pass_warn_function_return): Likewise.
305         (pass_warn_function_noreturn): Likewise.
306         * tree-complex.c (pass_lower_complex): Likewise.
307         (pass_lower_complex_O0): Likewise.
308         * tree-if-conv.c (pass_if_conversion): Likewise.
309         * tree-into-ssa.c (pass_build_ssa): Likewise.
310         * tree-mudflap.c (pass_mudflap_1): Likewise.
311         (pass_mudflap_2): Likewise.
312         * tree-nomudflap.c (pass_mudflap_1): Likewise.
313         (pass_mudflap_2): Likewise.
314         * tree-nrv.c (pass_return_slot): Likewise.
315         * tree-object-size.c (pass_object_sizes): Likewise.
316         * tree-optimize.c (pass_all_optimizations): Likewise.
317         (pass_early_local_passes): Likewise.
318         (pass_all_early_optimizations): Likewise.
319         (pass_cleanup_cfg): Likewise.
320         (pass_cleanup_cfg_post_optimizing): Likewise.
321         (pass_free_datastructures): Likewise.
322         (pass_free_cfg_annotations): Likewise.
323         (pass_fixup_cfg): Likewise.
324         (pass_init_datastructures): Likewise.
325         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
326         (pass_late_warn_uninitialized): Likewise.
327         (pass_update_address_taken): Likewise.
328         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
329         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
330         (pass_cse_sincos): Likewise.
331         (pass_convert_to_rsqrt): Likewise.
332         * tree-ssa-structalias.c (pass_build_alias): Likewise.
333         * tree-stdarg.c (pass_stdarg): Likewise.
334         * tree-tailcall.c (pass_tail_recursion): Likewise.
335         (pass_tail_calls): Likewise.
336         * tree-vect-generic.c (pass_lower_vector): Likewise.
337         (pass_lower_vector_ssa): Likewise.
338         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
339
340 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
341
342         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
343         XLR entry.
344         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
345         Handle -march=xlr.
346         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
347         logical and signext.
348
349 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
350
351         PR target/39767
352         * config/sh/predicates.md (arith_operand): Check if the operand
353         of TRUNCATE is a REG.
354
355 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
356
357         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
358         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
359
360 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
361
362         * tree-iterator.c (tsi_split_statement_list_after,
363         tsi_split_statement_list_before): Remove.
364         * tree-iterator.h: Remove the prototypes for
365         tsi_split_statement_list_after and tsi_split_statement_list_before.
366
367 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
368
369         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
370         * tree-ssa-propagate.h: Remove the prototype for
371         stmt_makes_single_load.
372
373 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
374
375         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
376         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
377
378 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
379
380         * tree-iterator.c (EXPR_LAST_BODY): Remove.
381
382 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
383
384         * except.c (eh_region_outer_p): Remove.
385         * except.h: Remove the prototype for eh_region_outer_p.
386
387 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
388
389         * function.c (current_function_assembler_name): Remove.
390         * function.h: Remove the prototype for
391         current_function_assembler_name.
392
393 2009-04-16  Ian Lance Taylor  <iant@google.com>
394
395         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
396         (add_reg_note): Call alloc_reg_note.
397         * rtl.h (alloc_reg_note): Declare.
398         * combine.c (try_combine): Use alloc_reg_note.
399         (recog_for_combine, move_deaths): Likewise.
400         (distribute_notes): Use alloc_reg_note and add_reg_note.
401         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
402         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
403         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
404
405 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
406
407         PR rtl-optimization/39762
408         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
409         ira_may_move_out_cost): Add comments about way of their usage.
410         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
411         
412         * ira-conflicts.c (process_regs_for_copy): Use function
413         ira_get_register_move_cost instead of global
414         ira_register_move_cost.
415
416         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
417         color_pass, move_spill_restore, update_curr_costs): Ditto.
418
419         * ira-lives.c (process_single_reg_class_operands): Ditto.
420
421         * ira-emit.c (emit_move_list): Ditto.
422
423         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
424         (record_reg_classes): Ditto.  Use functions
425         ira_get_register_move_cost and ira_get_may_move_cost instead of
426         global vars ira_register_move_cost, ira_may_move_out_cost and
427         ira_may_move_in_cost.
428         (record_address_regs): Don't call ira_init_register_move_cost.
429         Use function ira_get_may_move_cost instead of global
430         ira_may_move_in_cost.
431         (process_bb_node_for_hard_reg_moves): Use function
432         ira_get_register_move_cost instead of global ira_register_move_cost.
433         (ira_costs): Don't call ira_init_register_move_cost.
434         
435 2009-04-16  Richard Guenther  <rguenther@suse.de>
436
437         * tree-cfg.c (verify_gimple_assign_binary):
438         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
439         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
440         (create_general_new_stmt): Note that this function is broken.
441
442 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
443
444         * common.opt (fhelp): Add Var(help_flag).
445         * gcc-plugin.h (plugin_info): Add help.
446         * plugin.c (plugin_name_args): Add help.
447         (register_plugin_info): Set plugin->help.
448         (print_help_one_plugin): New.
449         (print_plugins_help): New.
450         * plugin.h (print_plugins_help): New.
451         * toplev.c (toplev_main): Call print_plugins_help if needed.
452
453 2009-04-16  Richard Guenther  <rguenther@suse.de>
454
455         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
456         (gimple_ior_addresses_taken_1): New function.
457         (gimple_ior_addresses_taken): Likewise.
458         * gimple.h (struct gimple_statement_with_ops_base): Remove
459         addresses_taken member.
460         (gimple_ior_addresses_taken): Declare.
461         (gimple_addresses_taken, gimple_addresses_taken_ptr,
462         gimple_set_addresses_taken): Remove.
463         * ipa-reference.c (mark_address): New function.
464         (scan_stmt_for_static_refs): Use it for marking addresses taken.
465         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
466         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
467         (gimple_add_to_addresses_taken): Remove.
468         (get_tmr_operands): Call mark_address_taken.
469         (get_asm_expr_operands): Likewise.
470         (get_expr_operands): Likewise.
471         (build_ssa_operands): Do not clear the addresses_taken bitmap.
472         (free_stmt_operands): Do not free it.
473         * tree-ssa.c (delete_tree_ssa): Likewise.
474         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
475
476 2009-04-16  Richard Guenther  <rguenther@suse.de>
477
478         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
479         (walk_stmt_load_store_ops): Likewise.
480         * gimple.c (get_base_loadstore): New function.
481         (walk_stmt_load_store_addr_ops): Likewise.
482         (walk_stmt_load_store_ops): Likewise.
483         * ipa-pure-const.c (check_op): Simplify.
484         (check_load, check_store): New functions.
485         (check_stmt): Use walk_stmt_load_store_ops.
486         * ipa-reference.c (mark_load): Adjust signature.
487         (mark_store): Likewise.
488         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
489
490 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
491
492         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
493         (plugin_info): New.
494         * opts.c (common_handle_option): Don't call print_version.
495         * plugin.c (plugin_name_args): Add version.
496         (register_plugin_info): New.
497         (register_callback): Handle PLUGIN_INFO.
498         (try_init_one_plugin): New.
499         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
500         if failed to init.
501         (finalize_one_plugin): New.
502         (finalize_plugins): New.
503         (print_one_plugin): New.
504         (print_plugins_versions): New.
505         * plugin.h (print_plugins_versions): New.
506         (finalize_plugins): New.
507         * toplev.c (compile_file): Don't call initialize_plugins.
508         (print_version): Call print_plugins_versions.
509         (toplev_main): Call initialize_plugins. Print version if needed.
510         Call finalize_plugins.
511
512 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
513
514         * common.opt (fversion): New.
515         * gcc.c (print_version): New.
516         (process_command): Don't print the version. Just set print_version.
517         (main): Print version. Call subprocesses if print_version and
518         verbose_flag are set.
519         * opts.c (common_handle_option): Handle OPT_fversion.
520
521 2009-04-16  Richard Guenther  <rguenther@suse.de>
522             Ira Rosen  <irar@il.ibm.com>
523
524         PR tree-optimization/39698
525         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
526         type of the reduction variable.  Only generate the def if
527         it is needed.
528
529         * omp-low.c (expand_omp_for_generic): When converting to a pointer
530         make sure to first convert to an integer of the same precision.
531         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
532         the type of the evolution correctly in computing the new
533         induction variable base.
534
535 2009-04-16  Richard Guenther  <rguenther@suse.de>
536
537         PR middle-end/39625
538         * tree-cfg.c (make_blocks): Split statements with to-be
539         abnormal SSA names on the lhs.
540
541 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
542
543         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
544         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
545         * c-typeck.c (really_start_incremental_init): Likewise.
546         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
547         (TARGET_INITIALIZER): Remove it.
548         * target.h (struct target): Remove vector_opaque_p.
549         * tree.c (build_opaque_vector_type): New.
550         * tree.h (TYPE_VECTOR_OPAQUE): New.
551         (build_opaque_vector_type): Declare.
552         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
553         * config/rs6000/rs6000.c (build_opaque_vector_type,
554         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
555         (rs6000_init_builtins): Use build_opaque_vector_type for
556         opaque_V4SI_type_node.
557
558 2009-04-15  Catherine Moore  <clm@codesourcery.com>
559
560         * debug.h (set_name):  Declare.
561         * dwarf2out.c (dwarf2out_set_name): Declare.
562         (dwarf2_debug_hooks): Add set_name.
563         (find_AT_string): New.
564         (add_AT_string): Call find_AT_string.
565         (dwarf2out_set_name): New.
566         * cp/decl.c (grokdeclarator): Call set_name.
567         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
568         * debug.c (do_nothing_debug_hooks):  Likewise.
569         * dbxout.c (dbx_debug_hooks): Likewise.
570         * sdbout.c (sdb_debug_hooks): Likewise.
571
572 2009-04-15  Michael Eager <eager@eagercon.com>
573
574         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
575         reg for single-precision FPU.
576         * config/rs6000/rs6000.md (movsi_internal1): Only for
577         !TARGET_SINGLE_FPU.
578         (movsi_internal1_single): New. Add pattern to move SI values to/from
579         single-precision FP regs.
580
581 2009-04-15  Richard Guenther  <rguenther@suse.de>
582
583         * omp-low.c (lower_rec_input_clauses): Build correct address
584         expressions.
585         (expand_omp_for_generic): Fix multiplication type.
586         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
587         (generate_memset_zero): Fix types.
588         * tree-profile.c (prepare_instrumented_value): Correctly
589         widen a pointer.
590
591 2009-04-15  Ian Lance Taylor  <iant@google.com>
592
593         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
594         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
595         for -Wall and for -Wc++-compat.
596         (c_common_post_options): For C++, set warn_enum_compare if not
597         already set.
598         * c-tree.h (struct c_expr): Add field original_type.
599         (build_external_ref): Update declaration.
600         * c-parser.c (c_parser_braced_init): Set original_type.
601         (c_parser_initelt): Likewise.
602         (c_parser_expr_no_commas): Likewise.
603         (c_parser_conditional_expression): Likewise.
604         (c_parser_cast_expression): Likewise.
605         (c_parser_unary_expression): Likewise.  Pull setting of
606         original_code to top of function.
607         (c_parser_sizeof_expression): Set original_type.
608         (c_parser_alignof_expression): Likewise.
609         (c_parser_postfix_expression): Likewise.  Pull setting of
610         original_code to top of function.
611         (c_parser_postfix_expression_after_paren_type): Set original_type.
612         (c_parser_postfix_expression_after_primary): Likewise.
613         (c_parser_expression): Likewise.
614         * c-typeck.c (build_external_ref): Add type parameter.  Change all
615         callers.
616         (c_expr_sizeof_expr): Set original_type field.
617         (parser_build_unary_op): Likewise.
618         (parser_build_binary_op): Likewise.  Optionally warn about
619         comparisons of enums of different types.
620         (digest_init): Set original_type field.
621         (really_start_incremental_init): Likewise.
622         (push_init_level, pop_init_level): Likewise.
623         * doc/invoke.texi (Warning Options): -Wenum-compare now
624         supported in C.
625
626 2009-04-15  Richard Guenther  <rguenther@suse.de>
627
628         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
629         out a necessary conversion.
630         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
631         names we didn't value number.
632         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
633
634 2009-04-15  Richard Guenther  <rguenther@suse.de>
635
636         PR tree-optimization/39764
637         * tree-ssa-ccp.c (get_value): Canonicalize value with
638         canonicalize_float_value.
639
640 2009-04-15  Jan Hubicka  <jh@suse.cz>
641
642         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
643         Wrong version of patch.
644
645 2009-04-15  Jan Hubicka  <jh@suse.cz>
646
647         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
648
649 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
650
651         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
652         our distinct integral and vector types.
653
654 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
655
656         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
657         * init.c (build_vtbl_address): Remove call to assemble_external.
658
659 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
660
661         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
662         output for other floating point modes.
663
664 2009-04-14  Diego Novillo  <dnovillo@google.com>
665
666         * diagnostic.c (diagnostic_report_diagnostic): Do not
667         warn about loaded plugins for DK_ERROR and DK_WARNING.
668         * c-decl.c (declspecs_add_type): Move call to
669         invoke_plugin_callbacks ...
670         * c-parser.c (c_parser_declspecs): ... here.
671         * plugin.c (dump_active_plugins): Tidy output.
672
673 2009-04-14  Diego Novillo  <dnovillo@google.com>
674             Le-Chun Wu  <lcwu@google.com>
675
676         * configure.ac: Add --enable-plugin support.
677         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
678         * Makefile.in (PLUGIN_H): Define.
679         Export ENABLE_PLUGIN and GMPINC to site.exp.
680         Add PLUGINLIBS to link command.
681         Add/modify dependencies for plugin.o and files including plugin.h.
682         (plugin.o): New.
683         * config.in: Regenerate.
684         
685         * opts.c (common_handle_option): Handle OPT_fplugin_ and
686         OPT_fplugin_arg_.
687
688 2009-04-14  Le-Chun Wu  <lcwu@google.com>
689
690         * tree-pass.h (register_one_dump_file): Add a prototype for
691         register_one_dump_file.
692         * toplev.c (compile_file): Call initialize_plugins.
693         (do_compile): Call invoke_plugin_callbacks.
694         (toplev_main): Call invoke_plugin_callbacks.
695         * common.opt: Add -fplugin= and -fplugin-arg-.
696         * gcc-plugin.h: New public header file for plugins to include.
697         * plugin.c: New source file.
698         * plugin.h: New internal header file.
699         * passes.c (register_one_dump_file): Make it external.
700         
701         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
702
703 2009-04-14  Diego Novillo  <dnovillo@google.com>
704
705         * doc/plugins.texi: New.
706         * doc/gccint.texi: Add reference to Plugins chapter.
707         * doc/invoke.texi: Document -fplugin and -fplugin-arg
708         * diagnostic.c (diagnostic_report_diagnostic): Warn about
709         loaded plugins, if any.
710         * timevar.def (TV_PLUGIN_INIT): Define.
711         (TV_PLUGIN_RUN): Define.
712         * plugin.c: Include timevar.h
713         (plugins_active_p): New.
714         (dump_active_plugins): New.
715         (debug_active_plugins): New.
716
717 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
718
719         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
720         library paths.
721         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
722
723 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
724
725         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
726         the same as a minus without a shift.
727
728 2009-04-14  Nick Clifton  <nickc@redhat.com>
729
730         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
731         comparisons with small integers will always produce a short
732         branch.
733
734 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
735
736         Merge:
737         2008-12-19  Diego Novillo  <dnovillo@google.com>
738
739         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
740
741 2000-04-14  Richard Guenther  <rguenther@suse.de>
742
743         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
744         verification.
745         (verify_gimple_assign_binary): Likewise.  Handle shifts and
746         rotates correctly.
747         (verify_gimple_phi): Print the mismatched argument position.
748         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
749         Fix types.
750         (vect_update_init_of_dr): Likewise.
751         * matrix-reorg.c (transform_access_sites): Do what the
752         comment suggests.
753         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
754
755 2009-04-13  Michael Eager <eager@eagercon.com>
756
757         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
758         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
759         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
760         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
761         remove duplicate config
762
763 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
764
765         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
766         file_name:line_number type locator of the call site.
767         
768 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
769
770         * genautomata.c: Put blank after comma.
771         (automaton_decls): New.
772         (struct unit_usage): Add comments to member next.
773         (store_alt_unit_usage): Keep the list ordered.
774         (unit_present_on_list_p, equal_alternatives_p): New.
775         (check_regexp_units_distribution): Check units distribution
776         correctness correctly.
777         (main): Don't write automata if error is found.  Return correct
778         exit code.
779         
780         * config/m68k/cf.md (cfv4_ds): Remove.
781         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
782         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
783
784         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
785         power4-load-ext, power4-store, power4-store-update,
786         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
787         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
788         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
789         power4-sqrt, power4-isync): Modify reservation to make correct
790         unit distribution to automata.
791
792         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
793         power5-store-update, power5-two, power5-three, power5-lmul,
794         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
795         
796 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
797
798         * except.c (pass_set_nothrow_function_flags): Set name and add
799         TODO_dump_func.
800         (set_nothrow_function_flags): Mention in the dump file when
801         changing a function to nothrow.
802
803 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
804
805         PR/39066
806         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
807         instead of unsigned long.
808
809 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
810
811         * config/arm/arm.c (return_used_this_function): Remove.
812         (arm_output_function_prologue): Remove use of
813         return_used_this_function.
814         (output_return_instruction): Replace use of
815         return_used_this_function
816         by cfun->machine->return_used_this_function.
817         (arm_output_epilogue): Likewise.
818         (arm_output_function_epilogue): Likewise.
819         (thumb_unexpanded_epilogue): Likewise.
820         * config/arm/arm.h (struct machine_function):
821         New member return_used_this_function.
822
823 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
824
825         * doc/install.texi: Correct description of default directory for
826         --with-gxx-include-dir.
827
828 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
829
830         * fold-const.c (build_range_check): Properly deal with enumeral and
831         boolean base types.
832
833 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
834
835         * doc/invoke.texi (max_gcse_passes): Remove documentation.
836         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
837         * params.h (MAX_GCSE_PASSES): Remove.
838         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
839         in sequence.  Remove ability to run multiple passes.
840         (bypass_jumps): Report run as third CPROP pass.
841
842 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
843
844         PR middle-end/39651
845         * except.c (can_throw_external): Look at each insn in a SEQUENCE
846         when deciding whether the whole SEQUENCE can throw.
847
848 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
849
850         PR target/39740
851         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
852         offseted label references.
853
854 2009-04-11  Jan Hubicka  <jh@suse.cz>
855
856         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
857
858 2009-04-11  Richard Guenther  <rguenther@suse.de>
859
860         PR middle-end/39732
861         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
862         return variables as TREE_ADDRESSABLE.
863
864 2009-04-11  Richard Guenther  <rguenther@suse.de>
865
866         PR tree-optimization/39713
867         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
868         reference trees have SSA_NAME operands.
869
870 2009-04-11  Richard Guenther  <rguenther@suse.de>
871
872         PR c/39712
873         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
874         address expressions.
875
876 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
877
878         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
879         match changes in Cygwin 1.7
880         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
881         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
882
883 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
884
885         PR tree-optimization/39701
886         * doc/invoke.texi (Optimization Options): Document change in
887         meaning and initialization of -fdelete-null-pointer-checks.
888
889 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
890
891         PR middle-end/39701
892         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
893
894         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
895         here.
896
897         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
898
899 2009-04-10  Chao-ying Fu  <fu@mips.com>
900
901         * doc/tm.texi (Instruction Output): Document
902         TARGET_ASM_FINAL_POSTSCAN_INSN.
903         * target.h (final_postscan_insn): New field in asm_out.
904         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
905         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
906         * final.c (final_scan_insn): Call
907         targetm.asm_out.final_postscan_insn after outputting
908         an asm macro and a normal instruction.
909
910         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
911         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
912         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
913         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
914         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
915
916 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
917
918         PR middle-end/39701
919         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
920         variables as non-NULL even with -fdelete-null-pointer-checks.
921
922 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
923
924         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
925
926 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
927
928         PR target/39678
929         * config/i386/i386.c (classify_argument): Handle SCmode with
930         (bit_offset % 64) != 0.
931
932 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
933
934         * doc/invoke.texi (Optimize Options): Add cross-reference to
935         -Q --help=optimizers examples.
936
937 2009-04-10  Ben Elliston  <bje@au.ibm.com>
938
939         PR target/36800
940         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
941         regalign for the reg == fpr and TDmode case.
942
943 2009-04-09  David Ayers  <ayers@fsfe.org>
944
945         PR objc/29200
946         * objc/objc-act.c (warn_with_method): Remove helper function.
947         (check_duplicates): Call warning and inform directly.
948         (really_start_method): Likewise.
949
950 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
951
952         * expmed.c (expand_divmod): Always use a comparison for a division
953         by a large unsigned integer.
954
955         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
956         for things others than variables or functions as nonzero.
957
958 2009-04-09  Nick Clifton  <nickc@redhat.com>
959
960         * unwind-compat.c: Change copyright header to refer to version
961         3 of the GNU General Public License with version 3.1 of the
962         GCC Runtime Library Exception and to point readers at the
963         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
964         * config/alpha/crtfastmath.c: Likewise.
965         * config/alpha/linux-unwind.h: Likewise.
966         * config/alpha/qrnnd.asm: Likewise.
967         * config/alpha/vms-crt0-64.c: Likewise.
968         * config/alpha/vms-crt0.c: Likewise.
969         * config/alpha/vms-dwarf2.asm: Likewise.
970         * config/alpha/vms-dwarf2eh.asm: Likewise.
971         * config/alpha/vms-psxcrt0-64.c: Likewise.
972         * config/alpha/vms-psxcrt0.c: Likewise.
973         * config/alpha/vms_tramp.asm: Likewise.
974         * config/arc/initfini.c: Likewise.
975         * config/arc/lib1funcs.asm: Likewise.
976         * config/arm/bpabi-v6m.S: Likewise.
977         * config/arm/bpabi.S: Likewise.
978         * config/arm/bpabi.c: Likewise.
979         * config/arm/crti.asm: Likewise.
980         * config/arm/crtn.asm: Likewise.
981         * config/arm/ieee754-df.S: Likewise.
982         * config/arm/ieee754-sf.S: Likewise.
983         * config/arm/lib1funcs.asm: Likewise.
984         * config/arm/libunwind.S: Likewise.
985         * config/arm/linux-atomic.c: Likewise.
986         * config/arm/mmintrin.h: Likewise.
987         * config/arm/pr-support.c: Likewise.
988         * config/arm/unaligned-funcs.c: Likewise.
989         * config/arm/unwind-arm.c: Likewise.
990         * config/arm/unwind-arm.h: Likewise.
991         * config/avr/libgcc.S: Likewise.
992         * config/bfin/crti.s: Likewise.
993         * config/bfin/crtlibid.s: Likewise.
994         * config/bfin/crtn.s: Likewise.
995         * config/bfin/lib1funcs.asm: Likewise.
996         * config/bfin/linux-unwind.h: Likewise.
997         * config/cris/arit.c: Likewise.
998         * config/cris/cris_abi_symbol.c: Likewise.
999         * config/darwin-64.c: Likewise.
1000         * config/darwin-crt2.c: Likewise.
1001         * config/darwin-crt3.c: Likewise.
1002         * config/darwin.h: Likewise.
1003         * config/dbxelf.h: Likewise.
1004         * config/dfp-bit.c: Likewise.
1005         * config/dfp-bit.h: Likewise.
1006         * config/elfos.h: Likewise.
1007         * config/fixed-bit.c: Likewise.
1008         * config/fixed-bit.h: Likewise.
1009         * config/fp-bit.c: Likewise.
1010         * config/fp-bit.h: Likewise.
1011         * config/fr30/crti.asm: Likewise.
1012         * config/fr30/crtn.asm: Likewise.
1013         * config/fr30/lib1funcs.asm: Likewise.
1014         * config/freebsd-spec.h: Likewise.
1015         * config/frv/cmovd.c: Likewise.
1016         * config/frv/cmovh.c: Likewise.
1017         * config/frv/cmovw.c: Likewise.
1018         * config/frv/frvbegin.c: Likewise.
1019         * config/frv/frvend.c: Likewise.
1020         * config/frv/lib1funcs.asm: Likewise.
1021         * config/glibc-stdint.h: Likewise.
1022         * config/h8300/clzhi2.c: Likewise.
1023         * config/h8300/crti.asm: Likewise.
1024         * config/h8300/crtn.asm: Likewise.
1025         * config/h8300/ctzhi2.c: Likewise.
1026         * config/h8300/fixunssfsi.c: Likewise.
1027         * config/h8300/lib1funcs.asm: Likewise.
1028         * config/h8300/parityhi2.c: Likewise.
1029         * config/h8300/popcounthi2.c: Likewise.
1030         * config/i386/ammintrin.h: Likewise.
1031         * config/i386/att.h: Likewise.
1032         * config/i386/avxintrin.h: Likewise.
1033         * config/i386/biarch64.h: Likewise.
1034         * config/i386/bmmintrin.h: Likewise.
1035         * config/i386/cpuid.h: Likewise.
1036         * config/i386/cross-stdarg.h: Likewise.
1037         * config/i386/crtfastmath.c: Likewise.
1038         * config/i386/crtprec.c: Likewise.
1039         * config/i386/cygming-crtbegin.c: Likewise.
1040         * config/i386/cygming-crtend.c: Likewise.
1041         * config/i386/cygwin.asm: Likewise.
1042         * config/i386/emmintrin.h: Likewise.
1043         * config/i386/gmm_malloc.h: Likewise.
1044         * config/i386/gthr-win32.c: Likewise.
1045         * config/i386/i386.h: Likewise.
1046         * config/i386/immintrin.h: Likewise.
1047         * config/i386/linux-unwind.h: Likewise.
1048         * config/i386/linux64.h: Likewise.
1049         * config/i386/mm3dnow.h: Likewise.
1050         * config/i386/mmintrin-common.h: Likewise.
1051         * config/i386/mmintrin.h: Likewise.
1052         * config/i386/nmmintrin.h: Likewise.
1053         * config/i386/pmm_malloc.h: Likewise.
1054         * config/i386/pmmintrin.h: Likewise.
1055         * config/i386/smmintrin.h: Likewise.
1056         * config/i386/sol2-c1.asm: Likewise.
1057         * config/i386/sol2-ci.asm: Likewise.
1058         * config/i386/sol2-cn.asm: Likewise.
1059         * config/i386/sol2-gc1.asm: Likewise.
1060         * config/i386/tmmintrin.h: Likewise.
1061         * config/i386/unix.h: Likewise.
1062         * config/i386/w32-unwind.h: Likewise.
1063         * config/i386/wmmintrin.h: Likewise.
1064         * config/i386/x86-64.h: Likewise.
1065         * config/i386/x86intrin.h: Likewise.
1066         * config/i386/xmmintrin.h: Likewise.
1067         * config/ia64/crtbegin.asm: Likewise.
1068         * config/ia64/crtend.asm: Likewise.
1069         * config/ia64/crtfastmath.c: Likewise.
1070         * config/ia64/crti.asm: Likewise.
1071         * config/ia64/crtn.asm: Likewise.
1072         * config/ia64/fde-glibc.c: Likewise.
1073         * config/ia64/lib1funcs.asm: Likewise.
1074         * config/ia64/linux-unwind.h: Likewise.
1075         * config/ia64/quadlib.c: Likewise.
1076         * config/ia64/unwind-ia64.c: Likewise.
1077         * config/linux.h: Likewise.
1078         * config/m32c/m32c-lib1.S: Likewise.
1079         * config/m32c/m32c-lib2-trapv.c: Likewise.
1080         * config/m32c/m32c-lib2.c: Likewise.
1081         * config/m32r/initfini.c: Likewise.
1082         * config/m68hc11/larith.asm: Likewise.
1083         * config/m68hc11/m68hc11-crt0.S: Likewise.
1084         * config/m68k/cf.md: Likewise.
1085         * config/m68k/crti.s: Likewise.
1086         * config/m68k/crtn.s: Likewise.
1087         * config/m68k/lb1sf68.asm: Likewise.
1088         * config/m68k/linux-unwind.h: Likewise.
1089         * config/mcore/crti.asm: Likewise.
1090         * config/mcore/crtn.asm: Likewise.
1091         * config/mcore/lib1.asm: Likewise.
1092         * config/mips/linux-unwind.h: Likewise.
1093         * config/mips/loongson.h: Likewise.
1094         * config/mips/mips16.S: Likewise.
1095         * config/mmix/crti.asm: Likewise.
1096         * config/mmix/crtn.asm: Likewise.
1097         * config/pa/fptr.c: Likewise.
1098         * config/pa/hpux-unwind.h: Likewise.
1099         * config/pa/lib2funcs.asm: Likewise.
1100         * config/pa/linux-atomic.c: Likewise.
1101         * config/pa/linux-unwind.h: Likewise.
1102         * config/pa/milli64.S: Likewise.
1103         * config/pa/quadlib.c: Likewise.
1104         * config/pa/stublib.c: Likewise.
1105         * config/picochip/libgccExtras/adddi3.asm: Likewise.
1106         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
1107         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
1108         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
1109         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
1110         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
1111         * config/picochip/libgccExtras/divmod15.asm: Likewise.
1112         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
1113         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
1114         * config/picochip/libgccExtras/longjmp.asm: Likewise.
1115         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
1116         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
1117         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
1118         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
1119         * config/picochip/libgccExtras/setjmp.asm: Likewise.
1120         * config/picochip/libgccExtras/subdi3.asm: Likewise.
1121         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
1122         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
1123         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
1124         * config/rs6000/750cl.h: Likewise.
1125         * config/rs6000/altivec.h: Likewise.
1126         * config/rs6000/biarch64.h: Likewise.
1127         * config/rs6000/crtresfpr.asm: Likewise.
1128         * config/rs6000/crtresgpr.asm: Likewise.
1129         * config/rs6000/crtresxfpr.asm: Likewise.
1130         * config/rs6000/crtresxgpr.asm: Likewise.
1131         * config/rs6000/crtsavfpr.asm: Likewise.
1132         * config/rs6000/crtsavgpr.asm: Likewise.
1133         * config/rs6000/darwin-asm.h: Likewise.
1134         * config/rs6000/darwin-fallback.c: Likewise.
1135         * config/rs6000/darwin-fpsave.asm: Likewise.
1136         * config/rs6000/darwin-ldouble.c: Likewise.
1137         * config/rs6000/darwin-tramp.asm: Likewise.
1138         * config/rs6000/darwin-unwind.h: Likewise.
1139         * config/rs6000/darwin-vecsave.asm: Likewise.
1140         * config/rs6000/darwin-world.asm: Likewise.
1141         * config/rs6000/e500crtres32gpr.asm: Likewise.
1142         * config/rs6000/e500crtres64gpr.asm: Likewise.
1143         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1144         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1145         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1146         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1147         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1148         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1149         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1150         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1151         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1152         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1153         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1154         * config/rs6000/eabi-ci.asm: Likewise.
1155         * config/rs6000/eabi-cn.asm: Likewise.
1156         * config/rs6000/eabi.asm: Likewise.
1157         * config/rs6000/linux-unwind.h: Likewise.
1158         * config/rs6000/linux64.h: Likewise.
1159         * config/rs6000/paired.h: Likewise.
1160         * config/rs6000/paired.md: Likewise.
1161         * config/rs6000/ppc64-fp.c: Likewise.
1162         * config/rs6000/ppu_intrinsics.h: Likewise.
1163         * config/rs6000/rs6000.h: Likewise.
1164         * config/rs6000/si2vmx.h: Likewise.
1165         * config/rs6000/sol-ci.asm: Likewise.
1166         * config/rs6000/sol-cn.asm: Likewise.
1167         * config/rs6000/spe.h: Likewise.
1168         * config/rs6000/spu2vmx.h: Likewise.
1169         * config/rs6000/sysv4.h: Likewise.
1170         * config/rs6000/tramp.asm: Likewise.
1171         * config/rs6000/vec_types.h: Likewise.
1172         * config/s390/linux-unwind.h: Likewise.
1173         * config/s390/tpf-unwind.h: Likewise.
1174         * config/score/crti.asm: Likewise.
1175         * config/score/crtn.asm: Likewise.
1176         * config/sh/crt1.asm: Likewise.
1177         * config/sh/crti.asm: Likewise.
1178         * config/sh/crtn.asm: Likewise.
1179         * config/sh/divtab-sh4-300.c: Likewise.
1180         * config/sh/divtab-sh4.c: Likewise.
1181         * config/sh/divtab.c: Likewise.
1182         * config/sh/lib1funcs-4-300.asm: Likewise.
1183         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1184         * config/sh/lib1funcs.asm: Likewise.
1185         * config/sh/lib1funcs.h: Likewise.
1186         * config/sh/linux-atomic.asm: Likewise.
1187         * config/sh/linux-unwind.h: Likewise.
1188         * config/sh/shmedia.h: Likewise.
1189         * config/sh/sshmedia.h: Likewise.
1190         * config/sh/ushmedia.h: Likewise.
1191         * config/sparc/crtfastmath.c: Likewise.
1192         * config/sparc/linux-unwind.h: Likewise.
1193         * config/sparc/sol2-c1.asm: Likewise.
1194         * config/sparc/sol2-ci.asm: Likewise.
1195         * config/sparc/sol2-cn.asm: Likewise.
1196         * config/spu/divmodti4.c: Likewise.
1197         * config/spu/divv2df3.c: Likewise.
1198         * config/spu/float_disf.c: Likewise.
1199         * config/spu/float_unsdidf.c: Likewise.
1200         * config/spu/float_unsdisf.c: Likewise.
1201         * config/spu/float_unssidf.c: Likewise.
1202         * config/spu/mfc_multi_tag_release.c: Likewise.
1203         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1204         * config/spu/mfc_tag_release.c: Likewise.
1205         * config/spu/mfc_tag_reserve.c: Likewise.
1206         * config/spu/mfc_tag_table.c: Likewise.
1207         * config/spu/multi3.c: Likewise.
1208         * config/spu/spu_internals.h: Likewise.
1209         * config/spu/spu_intrinsics.h: Likewise.
1210         * config/spu/spu_mfcio.h: Likewise.
1211         * config/spu/vec_types.h: Likewise.
1212         * config/spu/vmx2spu.h: Likewise.
1213         * config/stormy16/stormy16-lib2.c: Likewise.
1214         * config/svr4.h: Likewise.
1215         * config/sync.c: Likewise.
1216         * config/v850/lib1funcs.asm: Likewise.
1217         * config/vxlib-tls.c: Likewise.
1218         * config/vxlib.c: Likewise.
1219         * config/vxworks-dummy.h: Likewise.
1220         * config/xtensa/crti.asm: Likewise.
1221         * config/xtensa/crtn.asm: Likewise.
1222         * config/xtensa/ieee754-df.S: Likewise.
1223         * config/xtensa/ieee754-sf.S: Likewise.
1224         * config/xtensa/lib1funcs.asm: Likewise.
1225         * config/xtensa/lib2funcs.S: Likewise.
1226         * config/xtensa/linux-unwind.h: Likewise.
1227         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1228         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1229         * coretypes.h: Likewise.
1230         * crtstuff.c: Likewise.
1231         * defaults.h: Likewise.
1232         * dwarf2.h: Likewise.
1233         * emutls.c: Likewise.
1234         * gbl-ctors.h: Likewise.
1235         * gcov-io.h: Likewise.
1236         * ginclude/float.h: Likewise.
1237         * ginclude/iso646.h: Likewise.
1238         * ginclude/stdarg.h: Likewise.
1239         * ginclude/stdbool.h: Likewise.
1240         * ginclude/stddef.h: Likewise.
1241         * ginclude/stdfix.h: Likewise.
1242         * ginclude/stdint-gcc.h: Likewise.
1243         * ginclude/tgmath.h: Likewise.
1244         * gthr-aix.h: Likewise.
1245         * gthr-dce.h: Likewise.
1246         * gthr-gnat.c: Likewise.
1247         * gthr-gnat.h: Likewise.
1248         * gthr-lynx.h: Likewise.
1249         * gthr-mipssde.h: Likewise.
1250         * gthr-nks.h: Likewise.
1251         * gthr-posix.c: Likewise.
1252         * gthr-posix.h: Likewise.
1253         * gthr-posix95.h: Likewise.
1254         * gthr-rtems.h: Likewise.
1255         * gthr-single.h: Likewise.
1256         * gthr-solaris.h: Likewise.
1257         * gthr-tpf.h: Likewise.
1258         * gthr-vxworks.h: Likewise.
1259         * gthr-win32.h: Likewise.
1260         * gthr.h: Likewise.
1261         * libgcc2.c: Likewise.
1262         * libgcc2.h: Likewise.
1263         * libgcov.c: Likewise.
1264         * tsystem.h: Likewise.
1265         * typeclass.h: Likewise.
1266         * unwind-c.c: Likewise.
1267         * unwind-compat.h: Likewise.
1268         * unwind-dw2-fde-compat.c: Likewise.
1269         * unwind-dw2-fde-darwin.c: Likewise.
1270         * unwind-dw2-fde-glibc.c: Likewise.
1271         * unwind-dw2-fde.c: Likewise.
1272         * unwind-dw2-fde.h: Likewise.
1273         * unwind-dw2.c: Likewise.
1274         * unwind-dw2.h: Likewise.
1275         * unwind-generic.h: Likewise.
1276         * unwind-pe.h: Likewise.
1277         * unwind-sjlj.c: Likewise.
1278         * unwind.inc: Likewise.
1279         * config/arm/neon-gen.ml: Change generated copyright header to
1280         refer to version 3 of the GNU General Public License with
1281         version 3.1 of the GCC Runtime Library Exception and to point
1282         readers at the COPYING3 and COPYING3.RUNTIME files and the
1283         FSF's license web page.
1284         * config/arm/arm_neon.h: Regenerate.
1285
1286 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1287
1288         * config/cris/cris.md: Change copyright header to refer to version
1289         3 of the GNU General Public License.
1290         * doc/install.texi2html: Change copyright header to refer to version
1291         3 of the GNU General Public License and to point readers at the
1292         COPYING3 file and the FSF's license web page.
1293         * config/vax/linux.h: Likewise.
1294
1295 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1296
1297         * config/i386/i386.md (cmpcc): New.
1298         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1299         (sync_compare_and_swap_cc*): Delete.
1300
1301         * config/s390/s390.c (s390_compare_emitted): Remove.
1302         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1303         s390_compare_emitted used to be handled.  Assert that modes match.
1304         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1305         refer to sync_compare_and_swap_ccsi.
1306         * config/s390/s390.h (s390_compare_emitted): Remove.
1307         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1308         instead of s390_compare_emitted.
1309         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1310         instead of s390_compare_emitted.
1311         * config/s390/s390.md (cmpcc): New.
1312         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1313         CC_REGNUM, do not pretend it's set.
1314         (sync_compare_and_swap_cc*): Delete.
1315         * config/s390/predicates.md (cc_reg_operand): New.
1316
1317         * expr.c (sync_compare_and_swap_cc): Delete.
1318         * optabs.h (sync_compare_and_swap_cc): Delete.
1319         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1320         is being used with can_compare_p.
1321         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1322         (find_cc_set): New.
1323         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1324         look for a MODE_CC set instead.  Use emit_store_flag.
1325         (expand_compare_and_swap_loop): Likewise, with some additional
1326         complication to avoid a force_reg when useless.  Use
1327         emit_cmp_and_jump_insns.
1328         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1329         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1330         sync_compare_and_swap documentation.
1331
1332 2009-04-09  Jan Hubicka  <jh@suse.cz>
1333
1334         * except.c (find_prev_try): Break out from ....
1335         (duplicate_eh_regions): ... here; properly update prev_try pointers
1336         when duplication part of tree.
1337         (dump_eh_tree): Improve dumping.
1338         (verify_eh_region): New.
1339         (verify_eh_tree): Use it.
1340
1341 2009-04-06  Richard Guenther  <rguenther@suse.de>
1342
1343         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1344         &ARRAY addresses by adjusting their types and prepending
1345         a conversion.
1346         * tree-cfg.c (verify_gimple_assign_single): Verify that
1347         addresses are correct.
1348
1349 2009-04-09  Richard Guenther  <rguenther@suse.de>
1350
1351         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1352         indices into an array reference if possible.
1353         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1354         Fold POINTER_PLUS_EXPR statements with invariant address.
1355
1356 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1357
1358         PR target/39634
1359         * config.gcc (powerpc64-*-linux*): Always build biarch.
1360
1361 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1362
1363         PR c/39613
1364         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1365         it and pedwarn if this results in an INTEGER_CST.
1366
1367 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1368
1369         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1370         text in MPFR section.
1371
1372 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1373
1374         * dwarf2out.c (class_scope_p): New static inline.
1375         (class_or_namespace_scope_p): Use it.
1376         (gen_variable_die): Use DW_TAG_member tag for static data member
1377         declarations instead of DW_TAG_variable.
1378
1379         PR middle-end/39573
1380         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1381         variables.
1382
1383 2009-04-08  Richard Guenther  <rguenther@suse.de>
1384
1385         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1386         valueize random data.
1387
1388 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1389
1390         * config.gcc (aix tm_file):  Add aix-stdint.h.
1391         (aix tm clause use_gcc_stdint):  Set to wrap.
1392         * config/rs6000/aix-stdint.h:  New file.
1393         
1394 2009-04-08  Richard Guenther  <rguenther@suse.de>
1395
1396         PR middle-end/36291
1397         * tree-dfa.c (add_referenced_var): Do not recurse into
1398         global initializers.
1399         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1400         exposed variables.
1401         (fold_const_aggregate_ref): Likewise.
1402
1403 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1404
1405         * recog.c (ordered_comparison_operator): New.
1406         * gensupport.c (std_preds): Add it.
1407         * doc/md.texi (Machine-Independent Predicates): Document it.
1408
1409 2009-04-08  Jan Hubicka  <jh@suse.cz>
1410
1411         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1412         * function.h (rtl_eh): Remove exception_handler_label_map.
1413         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1414         remove_exception_handler_label, for_each_eh_label_1): Remove.
1415         (rtl_remove_unreachable_regions): Remove.
1416         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1417         (find_exception_handler_labels): Don't build the hashtable.
1418         (maybe_remove_eh_handler): Remove.
1419         (for_each_eh_label): Rewrite to walk the tree.
1420         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1421         * except.h (maybe_remove_eh_handler): Remove.
1422         * passes.c (init_optimization_passes): Schedule second EH cleanup
1423         before out-of-ssa.
1424         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1425         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1426
1427 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1428
1429         * genoutput.c (validate_optab_operands): New.
1430         (gen_insn, gen_expand): Call it.
1431
1432         * genflags.c (gen_insn): Detect misused iterators.
1433         (main): Pass line_no to gen_insn, exit with status 1 on error.
1434
1435         * genextract.c (line_no): Make global.
1436         (VEC_safe_set_locstr): Change assertion to error message.
1437         (main): Exit with status 1 on error.
1438
1439 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1440
1441         PR c/39614
1442         PR c/39673
1443         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1444         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1445         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1446         * c-convert.c (convert): Do not call fold on results of conversion
1447         functions when the result is a C_MAYBE_CONST_EXPR.
1448         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1449         of __builtin_choose_expr.
1450         * c-typeck.c (remove_c_maybe_const_expr): New.
1451         (build_unary_op, build_conditional_expr, build_compound_expr,
1452         build_binary_op, c_objc_common_truthvalue_conversion): Call
1453         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1454         integer operands.
1455
1456 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1457
1458         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1459         CODE to produce a new one. Add a prototype to use fold_convert_const
1460
1461 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1462
1463         PR bootstrap/39660
1464         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1465         mix declarations and code.
1466
1467 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1468
1469         * gcc.c: Replace `CC' with `GCC' throughout.
1470
1471 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1472
1473         * doc/invoke.texi: Document Atom support.
1474
1475 2009-04-07  Jason Merrill  <jason@redhat.com>
1476
1477         PR c++/25185
1478         * c-common.h, c-common.c: Add flag_pretty_templates.
1479         * c-opts.c (c_common_handle_option): Set it.
1480         * c.opt: Add -fno-pretty-templates.
1481         * doc/invoke.texi (C++ Dialect Options): Likewise.
1482
1483 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1484
1485         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1486         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1487         (ia64_expand_builtin): Likewise.
1488
1489 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1490
1491         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1492         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1493         ADDR_EXPRS are include too.
1494
1495 2009-04-07  Richard Guenther  <rguenther@suse.de>
1496
1497         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1498         decls are only used if passes as parameters or if they are
1499         local statics and the call is not to a builtin.
1500         (call_may_clobber_ref_p_1): Likewise.
1501
1502 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1503
1504         * expr.c (do_store_flag): Remove last argument.  Simplify code
1505         to avoid duplication of tests already done by can_compare_p.
1506         (expand_expr_real_1): Adjust caller.
1507
1508 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1509
1510         * optabs.c (can_compare_p): Test the predicate of a
1511         cbranch and cstore pattern.
1512
1513 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1514
1515         * expr.c (convert_move): Use emit_store_flag instead of
1516         "emulating" it.
1517
1518 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1519
1520         * config/i386/i386.c (ix86_compare_emitted): Remove.
1521         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1522         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1523         * config/i386/i386.h (ix86_compare_emitted): Remove.
1524         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1525         instead of ix86_compare_emitted.
1526         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1527
1528 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1529
1530         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1531         Add t-sysroot-suffix to tmake_file.
1532         * config/print-sysroot-suffix.sh: New file.
1533         * config/t-sysroot-suffix: New file.
1534
1535 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1536
1537         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1538         as the latter produces a warning when the target does not support
1539         infinity.
1540
1541 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1542
1543         * dfp.c: Replace type punning assignments with memcpy throughout.
1544         * Makefile.in (dfp.o-warn): Remove.
1545         
1546 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1547
1548         PR target/39634
1549         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1550         Include soft-fp/t-softfp after rs6000/t-linux64.
1551
1552 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1553
1554         * stor-layout.c (set_sizetype): Use the full precision of their
1555         machine mode for bitsize types.
1556
1557 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1558
1559         * config/i386/i386.md: Revert 2 accidental checkins.
1560
1561 2009-04-06  Joey Ye  <joey.ye@intel.com>
1562             Xuepeng Guo <xuepeng.guo@intel.com>
1563             H.J. Lu  <hongjiu.lu@intel.com>
1564
1565         Atom pipeline model, tuning and insn selection.
1566         * config.gcc (atom): Add atom config options and target.
1567
1568         * config/i386/atom.md: New.
1569
1570         * config/i386/i386.c (atom_cost): New cost.
1571         (m_ATOM): New macro flag.
1572         (initial_ix86_tune_features): Set m_ATOM.
1573         (x86_accumulate_outgoing_args): Likewise.
1574         (x86_arch_always_fancy_math_387): Likewise.
1575         (processor_target): Add Atom cost.
1576         (cpu_names): Add Atom cpu name.
1577         (override_options): Set Atom ISA.
1578         (ix86_issue_rate): New case PROCESSOR_ATOM.
1579         (ix86_adjust_cost): Likewise.
1580
1581         * config/i386/i386.h (TARGET_ATOM): New target macro.
1582         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1583         (TARGET_OPT_AGU): New target option.
1584         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1585         (processor_type): Add PROCESSOR_ATOM.
1586
1587         * config/i386/i386.md (cpu): Add new value "atom".
1588         (use_carry, movu): New attr.
1589         (atom.md): Include atom.md.
1590         (adddi3_carry_rex64): Set attr "use_carry".
1591         (addqi3_carry): Likewise.
1592         (addhi3_carry): Likewise.
1593         (addsi3_carry): Likewise.
1594         (*addsi3_carry_zext): Likewise.
1595         (subdi3_carry_rex64): Likewise.
1596         (subqi3_carry): Likewise.
1597         (subhi3_carry): Likewise.
1598         (subsi3_carry): Likewise.
1599         (x86_movdicc_0_m1_rex64): Likewise.
1600         (*x86_movdicc_0_m1_se): Likewise.
1601         (x86_movsicc_0_m1): Likewise.
1602         (*x86_movsicc_0_m1_se): Likewise.
1603         (*adddi_1_rex64): Emit add insn as much as possible.
1604         (*addsi_1): Likewise.
1605         (return_internal): Set atom_unit.
1606         (return_internal_long): Likewise.
1607         (return_pop_internal): Likewise.
1608         (*rcpsf2_sse): Set atom_sse_attr attr.
1609         (*qrt<mode>2_sse): Likewise.
1610         (*prefetch_sse): Likewise.
1611
1612         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1613         PROCESSOR_ATOM.
1614         (ix86_target_macros_internal): Likewise.
1615
1616         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1617         (*prefetch_sse_rex): Likewise.
1618         (sse_rcpv4sf2): Likewise.
1619         (sse_vmrcpv4sf2): Likewise.
1620         (sse_sqrtv4sf2): Likewise.
1621         (<sse>_vmsqrt<mode>2): Likewise.
1622         (sse_ldmxcsr): Likewise.
1623         (sse_stmxcsr): Likewise.
1624         (*sse_sfence): Likewise.
1625         (sse2_clflush): Likewise.
1626         (*sse2_mfence): Likewise.
1627         (*sse2_lfence): Likewise.
1628         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1629         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1630         (avx_movdqu<avxmodesuffix>): Likewise.
1631         (avx_lddqu<avxmodesuffix>): Likewise.
1632         (sse2_movntv2di): Change attr "type" to "ssemov".
1633         (sse2_movntsi): Likewise.
1634         (rsqrtv8sf2): Change attr "type" to "sseadd".
1635         (sse3_addsubv2df3): Set attr "atom_unit".
1636         (sse3_h<plusminus_insn>v4sf3): Likewise.
1637         (*sse2_pmaddwd): Likewise.
1638         (*vec_extractv2di_1_rex64): Likewise.
1639         (*vec_extractv2di_1_avx): Likewise.
1640         (sse2_psadbw): Likewise.
1641         (ssse3_phaddwv8hi3): Likewise.
1642         (ssse3_phaddwv4hi3): Likewise.
1643         (ssse3_phadddv4si3): Likewise.
1644         (ssse3_phadddv2si3): Likewise.
1645         (ssse3_phaddswv8hi3): Likewise.
1646         (ssse3_phaddswv4hi3): Likewise.
1647         (ssse3_phsubwv8hi3): Likewise.
1648         (ssse3_phsubwv4hi3): Likewise.
1649         (ssse3_phsubdv4si3): Likewise.
1650         (ssse3_phsubdv2si3): Likewise.
1651         (ssse3_phsubswv8hi3): Likewise.
1652         (ssse3_phsubswv4hi3): Likewise.
1653         (ssse3_pmaddubsw128): Likewise.
1654         (sse3_pmaddubsw: Likewise.
1655         (ssse3_palignrti): Likewise.
1656         (ssse3_palignrdi): Likewise.
1657
1658 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1659
1660         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1661
1662 2009-04-06  Richard Guenther  <rguenther@suse.de>
1663
1664         PR tree-optimization/28868
1665         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1666         of which PHI results we inserted.
1667         (insert_into_preds_of_block): Record inserted PHIs.
1668         (eliminate): Eliminate redundant PHI nodes.
1669         (init_pre): Init inserted_phi_names.
1670
1671 2009-04-06  Richard Guenther  <rguenther@suse.de>
1672
1673         PR tree-optimization/39643
1674         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1675         IMAGPART_EXPRs of complex constants.
1676         (execute_fold_all_builtins): If we folded a call queue
1677         TODO_update_address_taken.
1678
1679 2009-04-06  Jan Hubicka  <jh@suse.cz>
1680
1681         PR middle-end/39659
1682         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1683         flag.
1684
1685 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1686
1687         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1688         delay slot.
1689         (ic_invalidate_array): Likewise.
1690
1691 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1692
1693         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1694         alignment for library calls.
1695
1696 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1697
1698         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1699         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1700         * config/i386/mingw-stdint.h:  New file.
1701
1702 2009-04-05  Richard Guenther  <rguenther@suse.de>
1703
1704         PR tree-optimization/39648
1705         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1706         our &A vs. &A[0] IL deficiencies.
1707
1708 2009-04-04  Jan Hubicka  <jh@suse.cz>
1709
1710         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1711         removed toplevel regions.
1712         (sjlj_mark_call_sites): Likewise.
1713
1714 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1715
1716         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1717         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1718         * config/i386/cygwin-stdint.h:  New file.
1719
1720 2009-04-04  Richard Guenther  <rguenther@suse.de>
1721
1722         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1723         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1724         single-argument PHIs if we are in loop-closed SSA form.
1725         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1726         for the pre-condition.
1727         (slpeel_tree_peel_loop_to_edge): Likewise.
1728         (vect_build_loop_niters): Take an optional sequence to append stmts.
1729         (vect_generate_tmps_on_preheader): Likewise.
1730         (vect_do_peeling_for_loop_bound): Take extra guards for the
1731         pre-condition.
1732         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1733         the cost model check.
1734         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1735         guards if we are going to peel.  Do not apply versioning in that case.
1736         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1737         (vect_do_peeling_for_loop_bound): Likewise.
1738         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1739         loop bound only record extra pre-conditions, do not apply loop
1740         versioning.
1741
1742 2009-04-04  Richard Guenther  <rguenther@suse.de>
1743
1744         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1745         renaming code.
1746
1747 2009-04-04  Jan Hubicka  <jh@suse.cz>
1748
1749         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1750         last_basic_block for size of bb->index indexed array.
1751         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1752         compute_out, link_btr_uses, build_btr_def_use_webs,
1753         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1754
1755 2009-04-04  Jan Hubicka  <jh@suse.cz>
1756
1757         * except.c (remove_eh_handler_and_replace): Break out from ...
1758         (remove_eh_handler): ... here.
1759         (bring_to_root): New function.
1760         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1761         handled ones, bring others to root of tree.
1762
1763 2009-04-04  Jan Hubicka  <jh@suse.cz>
1764
1765         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1766         (all_phis_safe_to_merge): New function.
1767         (update_info): New structure.
1768         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1769         (cleanup_empty_eh): Update SSA if possible.
1770
1771 2009-04-04  Richard Guenther  <rguenther@suse.de>
1772
1773         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1774         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1775         (append_vuse): Likewise.
1776
1777 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1778
1779         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1780         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1781         instead of REG_UNSAVED for DW_CFA_undefined.
1782         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1783         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1784         outermost frame.
1785
1786 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1787
1788         PR target/39501
1789         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1790         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1791         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1792
1793 2009-04-04  Richard Guenther  <rguenther@suse.de>
1794
1795         PR tree-optimization/8781
1796         PR tree-optimization/37892
1797         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1798         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1799         (valueize_refs): Call it for *& valueizations.
1800         (shared_reference_ops_from_ref): Rename to ...
1801         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1802         (shared_reference_ops_from_call): Rename to ...
1803         (valueize_shared_reference_ops_from_call): ... this and valueize.
1804         (vn_reference_lookup): Update.
1805         (visit_reference_op_call): Likewise.
1806         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1807         (eliminate): Value-replace the call address in call statements.
1808
1809 2009-04-04  Richard Guenther  <rguenther@suse.de>
1810
1811         PR tree-optimization/39636
1812         * tree-ssa-forwprop.c
1813         (forward_propagate_addr_into_variable_array_index): Check for
1814         GIMPLE_ASSIGN before accessing the rhs code.
1815
1816 2009-04-03  Jason Merrill  <jason@redhat.com>
1817
1818         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1819
1820 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1821
1822         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1823         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1824         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1825         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1826         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1827         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1828         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1829         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1830         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1831         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1832         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1833         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1834         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1835         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1836         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1837         Use fr_reg_or_fp01_operand instead of fr_register_operand
1838
1839         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1840         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1841         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1842
1843 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1844
1845         PR rtl-optimization/39607
1846         PR rtl-optimization/39631
1847
1848         Revert:
1849         
1850         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1851         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1852         instead of DF_LR_OUT.
1853         * ira-lives.c (process_bb_node_lives): Ditto.
1854         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1855         instead of DF_LR_{OUT,IN}.
1856         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1857         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1858
1859 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1860
1861         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1862         (execute_lower_omp): Always run but take the short way out if -fopenmp
1863         is not given.
1864         (gate_lower_omp): Remove, forcing the pass manager to always run the
1865         pass and always set PROP_gimple_lomp.
1866         (pass_lower_omp): Remove gate function.
1867         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1868         PROP_trees.  Instead, require it.
1869         * ipa-cp.c (pass_ipa_cp): Likewise.
1870         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1871         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1872         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1873         and PROP_gimple_leh.
1874
1875 2009-04-03  Richard Guenther  <rguenther@suse.de>
1876
1877         PR middle-end/13146
1878         PR tree-optimization/23940
1879         PR tree-optimization/33237
1880         PR middle-end/33974
1881         PR middle-end/34093
1882         PR tree-optimization/36201
1883         PR tree-optimization/36230
1884         PR tree-optimization/38049
1885         PR tree-optimization/38207
1886         PR tree-optimization/38230
1887         PR tree-optimization/38301
1888         PR tree-optimization/38585
1889         PR middle-end/38895
1890         PR tree-optimization/38985
1891         PR tree-optimization/39299
1892         * tree-ssa-structalias.h: Remove.
1893         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1894         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1895         (struct vuse_element_d): Remove.
1896         (struct vuse_vec_d): Likewise.
1897         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1898         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1899         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1900         VUSE_ELEMENT_VAR): Likewise.
1901         (struct voptype_d): Likewise.
1902         (NUM_VOP_FREE_BUCKETS): Likewise.
1903         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1904         (struct stmt_operands_d): Remove.
1905         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1906         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1907         VDEF_NUM, VDEF_VECT): Likewise.
1908         (copy_virtual_operands): Remove.
1909         (operand_build_cmp): Likewise.
1910         (create_ssa_artificial_load_stmt): Likewise.
1911         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1912         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1913         vuse_index and mayuse_index members.  Pack and move done and iter_type
1914         members to the front.
1915         (SSA_OP_VMAYUSE): Remove.
1916         (SSA_OP_VIRTUAL_USES): Adjust.
1917         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1918         (unlink_stmt_vdef): Declare.
1919         (add_to_addressable_set): Remove.
1920         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1921         (vrp_visit_stmt): Likewise.
1922         * doc/tree-ssa.texi (Alias analysis): Update.
1923         * doc/invoke.texi (max-aliased-vops): Remove docs.
1924         (avg-aliased-vops): Likewise.
1925         * tree-into-ssa.c (syms_to_rename): Remove.
1926         (need_to_update_vops_p): Likewise.
1927         (need_to_initialize_update_ssa_p): Rename to ...
1928         (update_ssa_initialized_fn): ... this.  Track function we are
1929         initialized for.
1930         (symbol_marked_for_renaming): Simplify.
1931         (add_new_name_mapping): Do not set need_to_update_vops_p.
1932         (dump_currdefs): Use SYMS_TO_RENAME.
1933         (rewrite_update_stmt): Always walk all uses/defs.
1934         (dump_update_ssa): Adjust.
1935         (init_update_ssa): Take function argument.  Track what we are
1936         initialized for.
1937         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1938         (create_new_def_for): Initialize for cfun, assert we are initialized
1939         for cfun.
1940         (mark_sym_for_renaming): Simplify.
1941         (mark_set_for_renaming): Do not initialize update-ssa.
1942         (need_ssa_update_p): Simplify.  Take function argument.
1943         (name_mappings_registered_p): Assert we ask for the correct function.
1944         (name_registered_for_update_p): Likewise.
1945         (ssa_names_to_replace): Likewise.
1946         (release_ssa_name_after_update_ssa): Likewise.
1947         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1948         (dump_decl_set): Do not print a newline.
1949         (debug_decl_set): Do it here.
1950         (dump_update_ssa): And here.
1951         * tree-ssa-loop-im.c (move_computations): Adjust.
1952         (movement_possibility): Likewise.
1953         (determine_max_movement): Likewise.
1954         (gather_mem_refs_stmt): Likewise.
1955         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1956         or NAME_MEMORY_TAG.
1957         * tree-complex.c (update_all_vops): Remove.
1958         (expand_complex_move): Adjust.
1959         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1960         Simplify test for memory referencing statement.  Exclude
1961         non-invariant ADDR_EXPRs.
1962         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1963         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1964         (rdg_flag_uses): Likewise.
1965         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1966         related code.
1967         (tree_optimize_tail_calls_1): Also split the
1968         edge from the entry block if we have degenerate PHI nodes in
1969         the first basic block.
1970         * tree.c (init_ttree): Remove memory-tag related code.
1971         (tree_code_size): Likewise.
1972         (tree_node_structure): Likewise.
1973         (build7_stat): Re-write to be build6_stat.
1974         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1975         (SSA_VAR_P): Adjust.
1976         (struct tree_memory_tag): Remove.
1977         (struct tree_memory_partition_tag): Likewise.
1978         (union tree_node): Adjust.
1979         (build7): Re-write to be build6.
1980         * tree-pass.h (pass_reset_cc_flags): Remove.
1981         (TODO_update_address_taken): New flag.
1982         (pass_simple_dse): Remove.
1983         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1984         * params.h (MAX_ALIASED_VOPS): Remove.
1985         (AVG_ALIASED_VOPS): Likewise.
1986         * omp-low.c (expand_omp_taskreg): Update SSA form.
1987         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1988         aliases the lhs in a copy stmt.
1989         * tree-ssa-dse.c (struct address_walk_data): Remove.
1990         (memory_ssa_name_same): Likewise.
1991         (memory_address_same): Likewise.
1992         (get_kill_of_stmt_lhs): Likewise.
1993         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1994         unused stores.  Look through PHI nodes into post-dominated regions.
1995         (dse_optimize_stmt): Simplify.  Properly remove stores.
1996         (tree_ssa_dse): Compute dominators.
1997         (execute_simple_dse): Remove.
1998         (pass_simple_dse): Likewise.
1999         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
2000         gimple_loaded_syms and gimple_stored_syms computation.
2001         * toplev.c (dump_memory_report): Dump alias and pta stats.
2002         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
2003         (vn_reference_eq): Likewise.
2004         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
2005         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
2006         valueize_vuses): Remove.
2007         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
2008         (get_def_ref_stmt_vuse): ... this.
2009         (vn_reference_lookup_2): New function.
2010         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
2011         walking equivalent vuses.  Simplify.
2012         (vn_reference_lookup): Likewise.
2013         (vn_reference_insert): Likewise.
2014         (vn_reference_insert_pieces): Likewise.
2015         (visit_reference_op_call): Simplify.
2016         (visit_reference_op_load): Likewise.
2017         (visit_reference_op_store): Likewise.
2018         (init_scc_vn): Remove shared_lookup_vuses initialization.
2019         (free_scc_vn): Remove shared_lookup_vuses freeing.
2020         (sort_vuses, sort_vuses_heap): Remove.
2021         (get_ref_from_reference_ops): Export.
2022         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
2023         vector with single vuse pointer.
2024         (vn_reference_lookup_pieces, vn_reference_lookup,
2025         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
2026         (shared_vuses_from_stmt): Remove.
2027         (get_ref_from_reference_ops): Declare.
2028         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
2029         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
2030         memory-tag related code.
2031         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
2032         (likely_value): Add comment, skip static-chain of call statements.
2033         (surely_varying_stmt_p): Adjust.
2034         (gimplify_and_update_call_from_tree): Likewise.
2035         (execute_fold_all_builtins): Do not rebuild alias info.
2036         (gimplify_and_update_call_from_tree): Properly update VOPs.
2037         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
2038         (copy_ref_info): Remove memory-tag related code.
2039         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
2040         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
2041         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
2042         computation.
2043         * tree-ssa-dom.c (gimple_p): Remove typedef.
2044         (eliminate_redundant_computations): Adjust.
2045         (record_equivalences_from_stmt): Likewise.
2046         (avail_expr_hash): Likewise.
2047         (avail_expr_eq): Likewise.
2048         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
2049         (stmt_makes_single_load): Likewise.
2050         (stmt_makes_single_store): Likewise.
2051         * tree-ssa-alias.c: Rewrite completely.
2052         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
2053         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
2054         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
2055         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
2056         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
2057         Remove public functions.
2058         (pass_reset_cc_flags): Remove.
2059         (pass_build_alias): Move ...
2060         * tree-ssa-structalias.c (pass_build_alias): ... here.
2061         * tree-ssa-alias.c (may_be_aliased): Move ...
2062         * tree-flow-inline.h (may_be_aliased): ... here.
2063         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
2064         count_uses_and_derefs): Move ...
2065         * gimple.c: ... here.
2066         * gimple.h (count_uses_and_derefs): Declare.
2067         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
2068         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
2069         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
2070         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
2071         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
2072         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
2073         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
2074         New functions.
2075         * tree-dfa.c (refs_may_alias_p): Move ...
2076         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
2077         * tree-ssa-alias.h: New file.
2078         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
2079         (statement_sink_location): Likewise.
2080         * opts.c (decode_options): Do not adjust max-aliased-vops or
2081         avg-aliased-vops values.
2082         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
2083         (TV_CALL_CLOBBER): Likewise.
2084         (TV_FLOW_SENSITIVE): Likewise.
2085         (TV_FLOW_INSENSITIVE): Likewise.
2086         (TV_MEMORY_PARTITIONING): Likewise.
2087         (TV_ALIAS_STMT_WALK): New timevar.
2088         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
2089         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
2090         (get_address_description): Remove memory-tag related code.
2091         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
2092         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
2093         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
2094         and immediate uses in statements.  Document.
2095         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
2096         (dump_symbols): Remove.
2097         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
2098         * alias.c (get_deref_alias_set): New function split out from ...
2099         (get_alias_set): ... here.
2100         * alias.h (get_deref_alias_set): Declare.
2101         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
2102         type parameter.  Remove restrict pointer handling.  Create a
2103         ref-all pointer in case type-based alias sets do not conflict.
2104         (vect_analyze_data_refs): Remove SMT related code.
2105         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
2106         (vectorizable_load): Likewise.
2107         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
2108         (DR_SYMBOL_TAG, DR_VOPS): Remove.
2109         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
2110         Ignore vops and SMTs.
2111         (dr_analyze_alias): Likewise..
2112         (free_data_ref): Likewise.
2113         (create_data_ref): Likewise.
2114         (analyze_all_data_dependences): Likewise.
2115         (get_references_in_stmt): Adjust.
2116         * tree-flow-inline.h (gimple_aliases_computed_p,
2117         gimple_addressable_vars, gimple_call_clobbered_vars,
2118         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
2119         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
2120         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
2121         gimple_mem_ref_stats): Remove.
2122         (gimple_vop): New function.
2123         (op_iter_next_use): Remove vuses and mayuses cases.
2124         (op_iter_next_def): Remove vdefs case.
2125         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
2126         (clear_and_done_ssa_iter): Do not set removed fields.
2127         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
2128         Assert we are not iterating over vuses or vdefs if not also
2129         iterating over uses or defs.
2130         (op_iter_init_use): Likewise.
2131         (op_iter_init_def): Likewise.
2132         (op_iter_next_vdef): Remove.
2133         (op_iter_next_mustdef): Likewise.
2134         (op_iter_init_vdef): Likewise.
2135         (compare_ssa_operands_equal): Likewise.
2136         (link_use_stmts_after): Handle vuse operand.
2137         (is_call_used): Use is_call_clobbered.
2138         (is_call_clobbered): Global variables are always call clobbered,
2139         query the call-clobbers bitmap.
2140         (mark_call_clobbered): Ignore global variables.
2141         (clear_call_clobbered): Likewise.
2142         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2143         virtual operands sanity check.
2144         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2145         Remove.
2146         (TARGET_MEM_REF): Remove TMR_TAG operand.
2147         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2148         Remove call-clobber related code.
2149         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2150         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2151         partitions or escape reason.
2152         (get_single_def_stmt, get_single_def_stmt_from_phi,
2153         get_single_def_stmt_with_phi): Remove.
2154         (dump_referenced_vars): Tidy.
2155         (get_ref_base_and_extent): Allow bare decls.
2156         (collect_dfa_stats): Adjust.
2157         * graphite.c (rename_variables_in_stmt): Adjust.
2158         (graphite_copy_stmts_from_block): Likewise.
2159         (translate_clast): Likewise.
2160         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2161         (EXPR_DIES): New.
2162         (translate_vuse_through_block): Use the oracle.
2163         (phi_translate_1): Adjust.
2164         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2165         in EXPR_DIES.
2166         (valid_in_sets): Check if the VUSE for
2167         a REFERENCE is available.
2168         (eliminate): Do not remove stmts during elimination,
2169         instead queue and remove them afterwards.
2170         (do_pre): Do not rebuild alias info.
2171         (pass_pre): Run TODO_rebuild_alias before PRE.
2172         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2173         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2174         (mark_all_v_defs_stmt): Remove.
2175         (mark_all_v_defs_seq): Adjust.
2176         (sra_replace): Likewise.
2177         (scalarize_use): Likewise.
2178         (scalarize_copy): Likewise.
2179         (scalarize_init): Likewise.
2180         (scalarize_ldst): Likewise.
2181         (todoflags): Remove.
2182         (tree_sra): Do not rebuild alias info.
2183         (tree_sra_early): Adjust.
2184         (pass_sra): Run TODO_update_address_taken before SRA.
2185         * tree-predcom.c (set_alias_info): Remove.
2186         (prepare_initializers_chain): Do not call it.
2187         (mark_virtual_ops_for_renaming): Adjust.
2188         (mark_virtual_ops_for_renaming_list): Remove.
2189         (initialize_root_vars): Adjust.
2190         (initialize_root_vars_lm): Likewise.
2191         (prepare_initializers_chain): Likewise.
2192         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2193         (may_propagate_copy_into_stmt): Likewise.
2194         (merge_alias_info): Do nothing for now.
2195         (propagate_tree_value_into_stmt): Adjust.
2196         (stmt_may_generate_copy): Likewise.
2197         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2198         not mark symbols for renaming.
2199         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2200         with the same statement, make sure to update the new pointed-to one.
2201         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2202         call statements, do not mark symbols for renaming.
2203         (mark_operand_necessary): Dump something.
2204         (ref_may_be_aliased): New function.
2205         (mark_aliased_reaching_defs_necessary_1): New helper function.
2206         (mark_aliased_reaching_defs_necessary): Likewise.
2207         (mark_all_reaching_defs_necessary_1): Likewise.
2208         (mark_all_reaching_defs_necessary): Likewise.
2209         (propagate_necessity): Do not process virtual PHIs.  For
2210         non-aliased loads mark all reaching definitions as necessary.
2211         For aliased loads and stores mark the immediate dominating
2212         aliased clobbers as necessary.
2213         (visited): New global static.
2214         (perform_tree_ssa_dce): Free visited bitmap after propagating
2215         necessity.
2216         (remove_dead_phis): Perform simple dead virtual PHI removal.
2217         (remove_dead_stmt): Properly unlink virtual operands when
2218         removing stores.
2219         (eliminate_unnecessary_stmts): Schedule PHI removal after
2220         stmt removal.
2221         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2222         (process_replaceable): Likewise.
2223         (find_replaceable_in_bb): Likewise.
2224         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2225         based on the single gimple vop.
2226         (verify_flow_insensitive_alias_info): Remove.
2227         (verify_flow_sensitive_alias_info): Likewise.
2228         (verify_call_clobbering): Likewise.
2229         (verify_memory_partitions): Likewise.
2230         (verify_alias_info): Likewise.
2231         (verify_ssa): Adjust..
2232         (execute_update_addresses_taken): Export.  Update SSA
2233         manually.  Optimize only when optimizing.  Use a local bitmap.
2234         (pass_update_address_taken): Remove TODO_update_ssa, add
2235         TODO_dump_func.
2236         (pass_update_address_taken): Just use TODO_update_address_taken.
2237         (init_tree_ssa): Do not initialize addressable_vars.
2238         (verify_ssa): Verify new VUSE / VDEF properties.
2239         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2240         Do not call verify_alias_info.
2241         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2242         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2243         and callused solutions.  Do not free addressable_vars.
2244         Remove memory-tag related code.
2245         (warn_uninitialized_var): Aliases are always available.
2246         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2247         * lambda-code.c (can_put_in_inner_loop): Adjust.
2248         (can_put_after_inner_loop): Likewise.
2249         (perfect_nestify): Likewise.
2250         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2251         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2252         (vectorizable_conversion): Do not mark symbols for renaming.
2253         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2254         (expand_call_inline): Unlink the calls virtual operands before
2255         replacing it.
2256         (tree_function_versioning): Do not call update_ssa if we are not
2257         updating clones.  Simplify.
2258         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2259         (propagate_with_phi): Likewise..
2260         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2261         clobber code.  Assert we are not aliased or global.
2262         * tree-flow.h: Include tree-ssa-alias.h
2263         (enum escape_type): Remove.
2264         (struct mem_sym_stats_d): Likewise.
2265         (struct mem_ref_stats_d): Likewise.
2266         (struct gimple_df): Add vop member.  Remove global_var,
2267         call_clobbered_vars, call_used_vars, addressable_vars,
2268         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2269         escaped and callused members.
2270         (struct ptr_info_def): Remove all members, add points-to solution
2271         member pt.
2272         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2273         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2274         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2275         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2276         (tree-ssa-alias.o): Likewise.
2277         (toplev.o): Add tree-ssa-alias.h
2278         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2279         * gimple.c (gimple_set_bb): Fix off-by-one error.
2280         (is_gimple_reg): Do not handle memory tags.
2281         (gimple_copy): Also copy virtual operands.
2282         Delay updating the statement.  Do not reset loaded and stored syms.
2283         (gimple_set_stored_syms): Remove.
2284         (gimple_set_loaded_syms): Likewise.
2285         (gimple_call_copy_skip_args): Copy the virtual operands
2286         and mark the new statement modified.
2287         * tree-ssa-structalias.c (may_alias_p): Remove.
2288         (set_uids_in_ptset): Take the alias set to prune with as
2289         parameter.  Fold in the alias test of may_alias_p.
2290         (compute_points_to_sets): Compute whether a ptr is dereferenced
2291         in a local sbitmap.
2292         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2293         other ADDRESSOF constraints on the lhs.
2294         (get_constraint_for_component_ref): Assert that we don't get
2295         ADDRESSOF constraints from the base of the reference.
2296         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2297         (struct variable_info): Remove collapsed_to member.
2298         (get_varinfo_fc): Remove.
2299         (new_var_info): Do not set collapsed_to.
2300         (dump_constraint): Do not follow cycles.
2301         (dump_constraint_graph): Likewise.
2302         (build_pred_graph): Likewise.
2303         (build_succ_graph): Likewise.
2304         (rewrite_constraints): Likewise.
2305         (do_simple_structure_copy): Remove.
2306         (do_rhs_deref_structure_copy): Remove.
2307         (do_lhs_deref_structure_copy): Remove.
2308         (collapse_rest_of_var): Remove.
2309         (do_structure_copy): Re-implement.
2310         (pta_stats): New global variable.
2311         (dump_pta_stats): New function.
2312         (struct constraint_expr): Make offset signed.
2313         (UNKNOWN_OFFSET): Define special value.
2314         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2315         (solution_set_expand): New helper function split out from ...
2316         (do_sd_constraint): ... here.
2317         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2318         (do_ds_constraint): Likewise.
2319         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2320         and CALLUSED = *CALLUSED.
2321         (set_union_with_increment): Make inc argument signed.
2322         (type_safe): Remove.
2323         (get_constraint_for_ptr_offset): Handle unknown and negative
2324         constant offsets.
2325         (first_vi_for_offset): Handle offsets before start.  Bail
2326         out early for offsets beyond the variable extent.
2327         (first_or_preceding_vi_for_offset): New function.
2328         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2329         Together with ESCAPED = *ESCAPED this properly computes reachability.
2330         (find_what_var_points_to): New function.
2331         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2332         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2333         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2334         pt_solutions_intersect): New functions.
2335         (compute_call_used_vars): Remove.
2336         (compute_may_aliases): New main entry into PTA computation.
2337         * gimple.h (gimple_p): New typedef.
2338         (struct gimple_statement_base): Remove references_memory_p.
2339         (struct gimple_statement_with_memory_ops_base): Remove
2340         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2341         members.
2342         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2343         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2344         gimple_set_references_memory): Remove.
2345         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2346         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2347         New functions.
2348         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2349         (verify_expr): Allow RESULT_DECL.
2350         (gimple_duplicate_bb): Do not copy virtual operands.
2351         (gimple_duplicate_sese_region): Adjust.
2352         (gimple_duplicate_sese_tail): Likewise.
2353         (mark_virtual_ops_in_region): Remove.
2354         (move_sese_region_to_fn): Do not call it.
2355         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2356         and pass_simple_dse.
2357         (execute_function_todo): Handle TODO_update_address_taken,
2358         call execute_update_addresses_taken for TODO_rebuild_alias.
2359         (execute_todo): Adjust.
2360         (execute_one_pass): Init dump files early.
2361         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2362         call-clobbered.
2363         (create_general_new_stmt): Clear vops.
2364         * tree-ssa-reassoc.c (get_rank): Adjust.
2365         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2366         symbols for renaming.
2367         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2368         (PARAM_AVG_ALIASED_VOPS): Likewise.
2369         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2370         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2371         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2372         (operand_build_cmp, copy_virtual_operands,
2373         create_ssa_artificial_load_stmt, add_to_addressable_set,
2374         gimple_add_to_addresses_taken): Remove public functions.
2375         (unlink_stmt_vdef): New function.
2376
2377 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2378
2379         * config.gcc (powerpc-*-linux*): Merge variants.
2380
2381 2009-04-02  Chao-ying Fu  <fu@mips.com>
2382             James Grosbach <james.grosbach@microchip.com>
2383
2384         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2385         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2386         cop0_sp_offset.
2387         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2388         keep_interrupts_masked_p, use_debug_exception_return_p.
2389         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2390         keep_interrupts_masked, use_debug_exception_return.
2391         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2392         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2393         New functions.
2394         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2395         (mips_print_operand): Process COP0 registers to print $0 .. $31
2396         correctly for GAS to process.
2397         (mips_interrupt_extra_call_saved_reg_p): New function.
2398         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2399         extra registers.
2400         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2401         (mips_compute_frame_info): Add supports for interrupt context that
2402         includes doubleword accumulators and COP0 registers.
2403         (mips_for_each_saved_acc): New function.
2404         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2405         mips_for_each_saved_reg.
2406         (mips_save_reg): Save accumulators.
2407         (mips_kernel_reg_p): A new for_each_rtx callback.
2408         (mips_expand_prologue): Support interrupt handlers.
2409         (mips_restore_reg): Restore accumulators.
2410         (mips_expand_epilogue): Support interrupt handlers.
2411         (mips_can_use_return_insn): Return false for interrupt handlers.
2412         (mips_epilogue_uses): New function.
2413         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2414         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2415         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2416         cop0_move): New instructions.
2417         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2418         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2419         defines.
2420         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2421         New defines.
2422         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2423         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2424         interrupt handlers, we use K0 as the temporary register.
2425         (EPILOGUE_USES): Change to a function call.
2426         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2427         handlers, we use K0 as the temporary register.
2428         
2429         * doc/extend.texi (Function Attributes): Document interrupt,
2430         use_shadow_register_set, keep_interrupts_masked,
2431         use_debug_exception_return for MIPS attributes.
2432
2433 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2434
2435         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2436         Remove a number of t-files from tmake_file.
2437         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2438         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2439         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2440         target_prototype, not TARGET_PROTOTYPE.
2441         (LINK_OS_GNU_SPEC): Define.
2442         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2443         and darwin-ldoubdle.c.
2444
2445 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2446
2447         PR driver/39293
2448         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2449         (cpp_options): Ditto.
2450         (default_compilers): Ditto.
2451         (display_help): Ditto.
2452         (process_command): Ditto.
2453         (do_spec_1): Ditto.
2454         (set_input): Use lbasename instead of duplicate code.
2455         (save_temps_prefix): New static for -save-temps=obj.
2456         (save_temps_length): Ditto.
2457         
2458         * doc/invoke.texi (-save-temps=obj): Document new variant to
2459         -save-temps switch.
2460
2461 2009-04-02  Jeff Law  <law@redhat.com>
2462
2463         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2464         variable.
2465
2466 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2467
2468         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2469         * configure: Regenerated.
2470
2471 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2472
2473         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2474         share the argument list.
2475
2476 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2477
2478         Merge
2479
2480         2009-02-12  Diego Novillo  <dnovillo@google.com>
2481
2482         * varpool.c (debug_varpool): New.
2483         * cgraph.h (debug_varpool): Declare.
2484
2485 2009-04-02  Jan Hubicka  <jh@suse.cz>
2486
2487         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2488         pass.
2489
2490 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2491
2492         * config/i386/i386.c (ix86_abi): Move initialization to ...
2493         (override_options): Here.
2494
2495 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2496
2497         * config/sh/sh.c (sh_dwarf_register_span): New function.
2498         (TARGET_DWARF_REGISTER_SPAN): Define.
2499         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2500         
2501 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2502
2503         PR tree-optimization/39595
2504         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2505         interleaved loads group is not  greater than the SLP group size.
2506
2507 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2508
2509         * builtins.c (is_builtin_name): New.
2510         (called_as_built_in): Use is_builtin_name.
2511         * tree.h (is_builtin_name): New.
2512         * varasm.c (incorporeal_function_p): Use is_builtin_name
2513
2514 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2515
2516         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2517
2518 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2519
2520         PR c++/26693
2521         * c-decl.c (clone_underlying_type): Move this ...
2522         * c-common.c (set_underlying_type): ... here.
2523         Also, make sure the function properly sets TYPE_STUB_DECL() on
2524         the newly created typedef variant type.
2525         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2526         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2527         points.
2528
2529 2009-04-02  Richard Guenther  <rguenther@suse.de>
2530
2531         PR tree-optimization/37221
2532         * tree-flow.h (degenerate_phi_result): Declare.
2533         * tree-ssa-dom.c (degenerate_phi_result): Export.
2534         * tree-scalar-evolution.c (analyze_initial_condition): If
2535         the initial condition is defined by a degenerate PHI node
2536         use the degenerate value.
2537
2538 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2539
2540         PR rtl-optimization/39588
2541         * combine.c (merge_outer_ops): Do not set the constant when this
2542         is not necessary.
2543         (simplify_shift_const_1): Do not modify it either in this case.
2544
2545 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2546
2547         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2548         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2549
2550 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2551
2552         PR c/29027
2553         * c-lex.c (interpret_float): Default (no suffix) is double.
2554
2555 2009-04-1  Xinliang David Li  <davidxl@google.com>
2556
2557         * config/i386/i386.c (legitimate_constant_p): Recognize
2558         all one vector constant.
2559
2560 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2561
2562         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2563         Change #include order to silence two warnings.
2564
2565 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2566
2567         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2568         (ASM_SPEC): Pass -k to the assembler for PIC code.
2569
2570 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2571
2572         * gcc/config.gcc: Add vax-*-linux* to the switch.
2573         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2574         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2575
2576 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2577
2578         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2579         Use predicate macros instead of GET_CODE() == foo.
2580         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2581         ashlsi3, rotrsi3, <unnamed>): Likewise.
2582
2583 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2584
2585         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2586         jbbccihi, jbbccisi): Remova trailing whitespace.
2587         * gcc/config/vax/constraints.md: Likewise.
2588         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2589         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2590         * gcc/config/vax/predicates.md: Likewise.
2591         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2592         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2593         * gcc/config/vax/vax.h: Likewise.
2594         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2595
2596 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2597
2598         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2599         (indirectable_address_p, adjacent_operands_p): Add spaces around
2600         braces.
2601         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2602
2603 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2604
2605         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2606         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2607         index_term_p, reg_plus_index_p, legitimate_address_p,
2608         vax_mode_dependent_address_p): Update comments to match functions
2609         modified by the recent int->bool conversion.
2610
2611 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2612
2613         * gcc/config/vax/builtins.md: Update copyright message.
2614         * gcc/config/vax/constraints.md: Likewise.
2615         * gcc/config/vax/netbsd-elf.h: Likewise.
2616         * gcc/config/vax/predicates.md: Likewise.
2617         * gcc/config/vax/vax-protos.h: Likewise.
2618         * gcc/config/vax/vax.c: Likewise.
2619         * gcc/config/vax/vax.h: Likewise.
2620         * gcc/config/vax/vax.md: Likewise.
2621         * gcc/config/vax/vax.opt: Likewise.
2622
2623 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2624
2625         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2626         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2627         * gcc/config/vax/constraints.md (B, R): Likewise.
2628         * gcc/config/vax/predicates.md (external_memory_operand,
2629         nonimmediate_addsub_di_operand): Likewise.
2630         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2631         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2632         untyped_call): Likewise.
2633
2634 2009-04-01  Matt Thomas <matt@3am-software.com>
2635
2636         * config/vax/predicates.md: New file.
2637         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2638         external_const_operand, nonsymbolic_operand, external_memory_operand,
2639         indirect_memory_operand, indexed_memory_operand,
2640         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2641         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2642         predicate.
2643         * config/vax/constraints.md: New file.
2644         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2645         New constraint.
2646         * config/vax/builtins.md: New file.
2647         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2648         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2649         jbbccisi): Define.
2650         * config/vax/vax.opt (mqmath): Add option.
2651         * config/vax/vax.md (isfx): Extend with DI.
2652         (VAXintQH, VAXintQHSD): Define.
2653         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2654         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2655         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2656         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2657         (movdi): Update constraints and use vax_output_int_move().
2658         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2659         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2660         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2661         nonlocal_goto): New.
2662         (mov<mode>): Extend accepted operand types.
2663         (subdi3_old): Rename from subdi3, change update constraints and use
2664         a new implementation.
2665         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2666         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2667         MOVE_RATIO, CLEAR_RATIO): Define.
2668         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2669         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2670         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2671         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2672         (split_quadword_operands): Make static and really allow variable
2673         splitting.
2674         (print_operand_address): Update for PIC generation.
2675         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2676         indexable_address_p, fixup_mathdi_operand,
2677         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2678         (vax_float_literal, legitimate_constant_p,
2679         indirectable_constant_address_p, index_term_p,
2680         reg_plus_index_p): Return bool instead of int.
2681         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2682         where needed.
2683         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2684         generation.
2685         (vax_output_conditional_branch): Indent.
2686         (legitimate_constant_address_p, indirectable_constant_address_p,
2687         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2688         vax_mode_dependent_address_p): Return bool instead of int, update for
2689         PIC generation.
2690         * config/vax/vax-protos.h (legitimate_constant_address_p,
2691         legitimate_constant_p, legitimate_address_p,
2692         vax_mode_dependent_address_p): Change declaration to bool.
2693         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2694         vax_expand_addsub_di_operands, vax_output_int_subtract,
2695         vax_output_movmemsi): Declare.
2696         (split_quadword_operands, vax_float_literal): Delete declaration.
2697         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2698         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2699         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2700         ASM_OUTPUT_DWARF_PCREL): Define.
2701         (ASM_SPEC): Change definition to allow PIC generation.
2702
2703 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2704
2705         * doc/sourcebuild.texi: Update front-end requirements.
2706
2707 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2708
2709         PR target/39226
2710         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2711         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2712         (booldi3_internal3): Use boolean_or_operator instead of
2713         boolean_operator.
2714
2715 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2716
2717         PR c/39605
2718         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2719         declarator whose size is not an integer constant expression but
2720         folds to an integer constant, then treat it as a constant
2721         subsequently.
2722
2723 2009-04-01  Richard Guenther  <rguenther@suse.de>
2724
2725         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2726         i * 4 + 2 to (i * 2 + 1) * 2.
2727
2728 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2729
2730         PR c/37772
2731         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2732         return if c_parser_asm_string_literal returned NULL.
2733
2734 2009-04-01  Nick Clifton  <nickc@redhat.com>
2735
2736         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2737         already defined.
2738         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2739         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2740         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2741         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2742         include it.
2743         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2744         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2745         then include it.
2746
2747 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2748
2749         * varasm.c (default_function_rodata_section): Declare DOT as
2750         const char*.
2751
2752 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2753             Andrey Galkin <agalkin@hypercom.com>
2754
2755         PR/39492
2756         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2757         Make object_name unique for each process.
2758
2759 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2760
2761         PR other/39591
2762         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2763         addressable variables in the parallel that could go out of scope while
2764         running queued tasks.
2765
2766 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2767
2768         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2769         (CASE_VALUES_THRESHOLD): Redefine.
2770         * config/avr/avr.c (avr_override_options): Remove initialization of
2771         avr_case_values_threshold variable.
2772         (avr_case_values_threshold): Remove variable. Add new function.
2773         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2774         * config/avr/avr.opt (mno-tablejump): Remove option.
2775         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2776
2777 2009-04-01  DJ Delorie  <dj@redhat.com>
2778
2779         * varasm.c (default_function_rodata_section): Don't assume
2780         anything about where the first '.' in the section name is.
2781
2782 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2783
2784         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2785         rs6000_emit_stack_tie.
2786
2787 2009-03-31  Ian Lance Taylor  <iant@google.com>
2788
2789         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2790         gimple_code with GIMPLE_RESX, not RESX.
2791
2792 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2793
2794         * c-common.c (c_get_ident): New.
2795         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2796
2797 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2798
2799         * config/rs6000/sysv4.opt (msdata): Improve option description.
2800
2801 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2802
2803         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2804         (divdf3_internal_lat): Remove.
2805         (divxf3_internal_lat): Remove.
2806         (divxf3_internal_thr): Remove.
2807         (divxf): Use divxf3_internal.
2808         * config/ia64/div.md (divsf3_internal_lat): New.
2809         (divdf3_internal_lat): New.
2810         (divxf3_internal): New.
2811
2812 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2813
2814         PR c/448
2815         * Makefile.in (USE_GCC_STDINT): Define.
2816         (stmp-int-hdrs): Install stdint.h if applicable.
2817         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2818         if known.
2819         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2820         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2821         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2822         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2823         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2824         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2825         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2826         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2827         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2828         (c_common_nodes_and_builtins): Initialize
2829         underlying_wchar_type_node.  Do not initialize
2830         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2831         nodes for new types.
2832         (c_stddef_cpp_builtins): Define macros for new types.
2833         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2834         Remove.
2835         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2836         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2837         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2838         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2839         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2840         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2841         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2842         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2843         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2844         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2845         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2846         int16_type_node, int32_type_node, int64_type_node,
2847         uint8_type_node, uint16_type_node, c_uint32_type_node,
2848         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2849         int_least32_type_node, int_least64_type_node,
2850         uint_least8_type_node, uint_least16_type_node,
2851         uint_least32_type_node, uint_least64_type_node,
2852         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2853         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2854         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2855         uintptr_type_node): Define.
2856         * c-cppbuiltin.c (builtin_define_constants,
2857         builtin_define_type_minmax): New.
2858         (builtin_define_stdint_macros): Define more macros.
2859         (c_cpp_builtins): Define more limit macros.
2860         (type_suffix): New.
2861         (builtin_define_type_max): Define in terms of
2862         builtin_define_type_minmax.  Remove is_long parameter.  All
2863         callers changed.
2864         * config.gcc (use_gcc_stdint): Define.
2865         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2866         Add newlib-stdint.h for generic targets.
2867         * config/glibc-stdint.h, config/newlib-stdint.h,
2868         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2869         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2870         * config/score/score.h (UINTPTR_TYPE): Define.
2871         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2872         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2873         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2874         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2875         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2876         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2877         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2878         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2879         * config/spu/spu.h (STDINT_LONG32): Define.
2880         * configure.ac (use_gcc_stdint): Substitute.
2881         * configure: Regenerate.
2882         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2883         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2884         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2885         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2886         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2887         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2888         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2889         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2890         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2891         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2892         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2893         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2894         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2895         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2896         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2897         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2898         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2899         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2900         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2901         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2902         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2903         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2904         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2905         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2906         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2907         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2908         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2909         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2910         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2911
2912 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2913
2914         * loop-iv.c (suitable_set_for_replacement): Renamed from
2915         simplify_using_assignment; changed to return bool and to accept new
2916         args DEST and SRC.  Return true iff we find a source/destination pair
2917         that can be used to make a replacement, and fill SRC and DEST if so.
2918         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2919         changed.
2920         (simplify_using_initial_values): Deal with altered regs here and track
2921         more precisely the effect they have on the validity of our expression.
2922
2923         * loop-iv.c (simplify_using_condition): A condition of the form
2924         (EQ REG CONST) can be used to simply make a substitution.
2925         (simplify_using_initial_values): Keep track of conditions we have seen
2926         and keep using them to simplify new expressions, while applying the
2927         same substitutions to them as to the expression.
2928
2929         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2930         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2931         GEU/LTU reversed.
2932
2933         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2934         changed.  Use this when trying to improve the upper bound.
2935         Generate the comparison by using simplify_gen_relational.
2936
2937         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2938
2939         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2940         functions.
2941         (simplify_using_assignment, simplify_using_initial_values): Call 
2942         replace_in_expr to make replacements.  Call replace_single_def_regs
2943         once on the initial version of the expression.
2944
2945 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2946
2947         PR target/27237
2948         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2949         
2950 2009-03-31  Richard Guenther  <rguenther@suse.de>
2951
2952         PR middle-end/31029
2953         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2954         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2955
2956 2009-03-31  Richard Guenther  <rguenther@suse.de>
2957
2958         * tree.h (div_if_zero_remainder): Declare.
2959         * fold-const.c (div_if_zero_remainder): Export.
2960         * tree-ssa-forwprop.c
2961         (forward_propagate_addr_into_variable_array_index): Handle
2962         constant array index addition outside of the variable index.
2963
2964 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2965
2966         PR target/39592
2967         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2968         define_splits, floatunssi<mode>2): Require x87 conversions from
2969         DImode to be permitted.
2970
2971 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2972
2973         PR preprocessor/15638
2974         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2975
2976 2009-03-31  Richard Guenther  <rguenther@suse.de>
2977
2978         PR middle-end/23401
2979         PR middle-end/27810
2980         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2981         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2982         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2983         a separate statement.
2984         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2985         (lookup_tmp_var): Likewise.
2986         (is_gimple_formal_tmp_or_call_rhs): Remove.
2987         (is_gimple_reg_or_call_rhs): Rename to ...
2988         (is_gimple_reg_rhs_or_call): ... this.
2989         (is_gimple_mem_or_call_rhs): Rename to ...
2990         (is_gimple_mem_rhs_or_call): ... this.
2991         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2992         DECL_GIMPLE_REG_P only if is_formal is true.
2993         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2994         for non-proper post-modify expression gimplification.
2995         (gimplify_self_mod_expr): For post-modify expressions gimplify
2996         the lvalue to a minimal lvalue.
2997         (rhs_predicate_for): Remove formal temp case.
2998         (gimplify_modify_expr_rhs): Likewise.
2999         (gimplify_addr_expr): Use is_gimple_reg.
3000         (gimplify_expr): Remove formal temp cases.
3001         (gimple_regimplify_operands): Likewise.
3002         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
3003         and FILTER_EXPR like constants.
3004         * gimple.c (walk_gimple_op): Fix val_only initialization, use
3005         is_gimple_reg.
3006         (is_gimple_formal_tmp_rhs): Remove.
3007         (is_gimple_reg_rhs): Remove special casing.
3008         (is_gimple_mem_rhs): Fix.
3009         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
3010         (is_gimple_formal_tmp_var): Remove.
3011         (is_gimple_formal_tmp_reg): Likewise.
3012         (is_gimple_min_lval): Allow invariant component ref parts.
3013         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
3014         is_gimple_formal_tmp_reg): Remove declarations.
3015         * tree-cfg.c (verify_expr): Verify that variables with address
3016         taken do not have DECL_GIMPLE_REG_P set.
3017         * tree-mudflap.c (mf_build_check_statement_for): Use
3018         force_gimple_operand instead of gimplify_expr.
3019
3020 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
3021
3022         * modulo-sched.c (sms_schedule_by_order): Pass the actual
3023         schedulable rows to compute_split_row.
3024
3025 2009-03-31  Ben Elliston  <bje@au.ibm.com>
3026
3027         PR target/31635
3028         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
3029         OPT_mvrsave.
3030
3031 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
3032
3033         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
3034         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
3035         * configure: Regenerate.
3036         * config.in: Regenerate.
3037         * config/rs6000/rs6000.opt (mtls-markers): Add.
3038         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
3039         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
3040         (tls_ld_aix, tls_ld_sysv): Likewise.
3041         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
3042         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
3043
3044 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
3045
3046         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
3047
3048 2009-03-30  Jan Hubicka  <jh@suse.cz>
3049
3050         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
3051         out of RESX.
3052         (tree_remove_unreachable_handlers): Cleanup EH predecestor
3053         detection and label handling.
3054
3055 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3056
3057         * ira-int.h (ira_allocno): Rename left_conflicts_num to
3058         left_conflicts_size.
3059         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
3060         ALLOCNO_LEFT_CONFLICTS_SIZE.
3061
3062         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
3063         remove_allocno_from_bucket_and_push,
3064         allocno_spill_priority_compare, push_allocnos_to_stack,
3065         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3066         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
3067         (setup_allocno_left_conflicts_num): Ditto.  Rename to
3068         setup_allocno_left_conflicts_size.
3069         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3070         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
3071         setup_allocno_left_conflicts_size instead of
3072         setup_allocno_left_conflicts_num.
3073
3074         * ira-build.c (ira_create_allocno): Use
3075         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
3076         ALLOCNO_LEFT_CONFLICTS_NUM.
3077                 
3078 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3079
3080         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
3081         instead of DF_LR_OUT.
3082
3083         * ira-lives.c (process_bb_node_lives): Ditto.
3084
3085         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
3086         instead of DF_LR_{OUT,IN}.
3087
3088         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
3089
3090         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
3091
3092 2009-03-30  Jan Hubicka  <jh@suse.cz>
3093
3094         * except.c (label_to_region_map): Fix thinko.
3095
3096 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
3097
3098         PR middle-end/38237
3099         * tree.h (tree_find_value): New declaration.
3100         * tree.c (tree_find_value): New function.
3101         * varasm.c (assemble_external): Avoid duplicate entries on lists.
3102
3103 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
3104
3105         PR debug/39563
3106         * c-decl.c (struct c_binding): Add locus field.
3107         (bind): Add locus argument, set locus field from it.
3108         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
3109         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
3110         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
3111         implicitly_declare, undeclared_variable, lookup_label,
3112         declare_label, c_make_fname_decl, c_builtin_function,
3113         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
3114         bind callers.
3115
3116 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3117
3118         PR target/38781
3119         * config/i386/i386.c (classify_argument): Check total size of
3120         structure.
3121
3122 2009-03-30  Martin Jambor  <mjambor@suse.cz>
3123
3124         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
3125         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
3126         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
3127         respectively.
3128
3129         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
3130         seen_variable_array_ref while also traversing a union.
3131
3132         * tree-inline.c (optimize_inline_calls): Do not call
3133         cgraph_node_remove_callees.
3134         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3135         (pass_remove_cgraph_callee_edges): New variable.
3136         * passes.c (init_optimization_passes): Add
3137         pass_remove_cgraph_callee_edges after early inlining and before all
3138         late intraprocedural passes.
3139
3140         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3141
3142 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3143
3144         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3145         Fix typos in names.
3146
3147 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3148
3149         * combine.c (simplify_comparison): Use have_insn_for.
3150         * dojump.c (do_jump): Likewise.
3151
3152 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3153
3154         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3155         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3156         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3157         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3158         instead of sparc_compare_emitted.
3159         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3160         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3161         instead of sparc_compare_emitted.
3162
3163 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3164
3165         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3166         enter/exit cfglayout mode.
3167         (pass_partition_block): Require it.
3168         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3169         (combine_instructions): Track basic blocks instead of labels.
3170         (update_cfg_for_uncondjump): New.
3171         (try_combine): Use it.  Update jumps after rescanning.
3172         (pass_combine): Require PROP_cfglayout.
3173         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3174
3175 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3176
3177         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3178         Provide/destroy PROP_cfglayout respectively.
3179         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3180         * tree-pass.h (PROP_cfglayout): New.
3181
3182 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3183
3184         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3185         fold_convert_const_fixed_from_fixed,
3186         fold_convert_const_fixed_from_int,
3187         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3188         set TREE_CONSTANT_OVERFLOW.
3189         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3190         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3191
3192 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3193
3194         * tree-vect-loop-manip.c: New file.
3195         * tree-vectorizer.c: Update documentation and included files.
3196         (vect_loop_location): Make extern.
3197         (rename_use_op): Move to tree-vect-loop-manip.c
3198         (rename_variables_in_bb, rename_variables_in_loop, 
3199         slpeel_update_phis_for_duplicate_loop, 
3200         slpeel_update_phi_nodes_for_guard1,
3201         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3202         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3203         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3204         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3205         find_loop_location): Likewise.
3206         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3207         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3208         get_vectype_for_scalar_type, vect_is_simple_use,
3209         supportable_widening_operation, supportable_narrowing_operation):
3210         Likewise.
3211         (bb_in_loop_p): Move to tree-vect-loop.c.
3212         (new_loop_vec_info, destroy_loop_vec_info, 
3213         reduction_code_for_scalar_code, report_vect_op, 
3214         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3215         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3216         (vect_supportable_dr_alignment): Likewise.
3217         * tree-vectorizer.h (tree-data-ref.h): Include.
3218         (vect_loop_location): Declare.
3219         Reorganize function declarations according to the new file structure.
3220         * tree-vect-loop.c: New file.
3221         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3222         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3223         * tree-vect-data-refs.c: New file.
3224         * tree-vect-patterns.c (timevar.h): Don't include.
3225         * tree-vect-stmts.c: New file.
3226         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3227         tree-vect-slp.c, tree-vect-loop.c.
3228         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3229         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3230         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3231         (tree-vect-analyze.o): Remove.
3232         (tree-vect-transform.o): Likewise.
3233         (tree-vect-data-refs.o): Add rule.
3234         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3235         tree-vect-slp.o): Likewise.
3236         (tree-vect-patterns.o): Remove redundant dependencies.
3237         (tree-vectorizer.o): Likewise.
3238         * tree-vect-slp.c: New file.
3239
3240 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3241
3242         * optc-gen.awk: Warn if an option flag has multiple different
3243         help strings.
3244
3245 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3246
3247         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3248         -floop-block): Document dependences on PPL, CLooG and Graphite.
3249
3250 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3251
3252         PR rtl-optimization/323
3253         * c-common.c (c_fully_fold, convert_and_check,
3254         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3255         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3256         * c-common.def (EXCESS_PRECISION_EXPR): New.
3257         * c-cppbuiltin.c (builtin_define_float_constants): Define
3258         constants with enough digits for long double.
3259         * c-lex.c (interpret_float): Interpret constant with excess
3260         precision where appropriate.
3261         * c-opts.c (c_common_post_options): Set
3262         flag_excess_precision_cmdline.  Give an error for
3263         -fexcess-precision=standard for C++ for processors where the
3264         option is significant.
3265         * c-parser.c (c_parser_conditional_expression): Handle excess
3266         precision in condition.
3267         * c-typeck.c (convert_arguments): Handle arguments with excess
3268         precision.
3269         (build_unary_op): Move excess precision outside operation.
3270         (build_conditional_expr): Likewise.
3271         (build_compound_expr): Likewise.
3272         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3273         (build_modify_expr): Handle excess precision in RHS.
3274         (convert_for_assignment): Handle excess precision in converted
3275         value.
3276         (digest_init, output_init_element, process_init_element): Handle
3277         excess precision in initializer.
3278         (c_finish_return): Handle excess precision in return value.
3279         (build_binary_op): Handle excess precision in operands and add
3280         excess precision as needed for operation.
3281         * common.opt (-fexcess-precision=): New option.
3282         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3283         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3284         For standard excess precision, output explicit conversion to and
3285         truncation from XFmode.
3286         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3287         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3288         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3289         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3290         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3291         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3292         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3293         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3294         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3295         define_splits, sqrt<mode>2): Disable where appropriate for
3296         standard excess precision.
3297         * convert.c (convert_to_real): Do not shorten arithmetic to type
3298         for which excess precision would be used.
3299         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3300         * doc/invoke.texi (-fexcess-precision=): Document option.
3301         (-mfpmath=): Correct index entry.
3302         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3303         flag_excess_precision): New.
3304         * langhooks.c (lhd_post_options): Set
3305         flag_excess_precision_cmdline.
3306         * opts.c (common_handle_option): Handle -fexcess-precision=.
3307         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3308         init_excess_precision): New.
3309         (lang_dependent_init_target): Call init_excess_precision.
3310         * tree.c (excess_precision_type): New.
3311         * tree.h (excess_precision_type): Declare.
3312
3313 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3314
3315         PR c/35235
3316         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3317         non-lvalue to component.
3318
3319 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3320
3321         PR preprocessor/34695
3322         * Makefile.in (c-opts.o): Depend on c-tree.h.
3323         * c-common.c: Move down include of diagnostic.h.
3324         (done_lexing, c_cpp_error): New.
3325         * c-common.h (done_lexing): Declare.
3326         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3327         (parse_in).
3328         * c-opts.c: Include c-tree.h.
3329         (c_common_init_options): Set preprocessor error callback.
3330         (c_common_handle_option): Do not set preprocessor
3331         inhibit_warnings, warnings_are_errors, warn_system_headers,
3332         pedantic_errors or inhibit_warnings flags.
3333         (c_common_post_options): Do not check cpp_errors (parse_in).
3334         (c_common_finish): Do not output dependencies if there were
3335         errors.  Do not check return value of cpp_finish.
3336         * c-ppoutput.c (pp_file_change): Set input_location.
3337         * c-tree.h (c_cpp_error): Declare.
3338         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3339         override_column.
3340         (diagnostic_build_prefix): Check override_column.
3341         * diagnostic.h (diagnostic_info): Add override_column field.
3342         (diagnostic_override_column): Define.
3343
3344 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3345
3346         * c-common.c (c_expand_expr, c_staticp): Remove.
3347         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3348         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3349         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3350         * c-gimplify.c (gimplify_compound_literal_expr,
3351         optimize_compound_literals_in_ctor): Remove.
3352         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3353         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3354         * c-semantics.c (emit_local_var): Remove.
3355
3356         * langhooks-def.h (lhd_expand_expr): Remove.
3357         * langhooks.c (lhd_expand_expr): Remove.
3358         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3359
3360         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3361         handling from c-semantics.c; don't call into langhook.
3362         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3363         * gimplify.c (gimplify_compound_literal_expr,
3364         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3365         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3366         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3367         as was done in c-gimplify.c.
3368         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3369         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3370         Move from c-common.h.
3371         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3372
3373         * tree.c (staticp): Do not call langhook.
3374         * langhooks.c (lhd_staticp): Delete.
3375         * langhooks-def.h (lhd_staticp): Delete prototype.
3376         (LANG_HOOKS_STATICP): Delete.
3377         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3378
3379         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3380         instead of DECL_STMTs.
3381
3382 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3383
3384         PR c/456
3385         PR c/5675
3386         PR c/19976
3387         PR c/29116
3388         PR c/31871
3389         PR c/35198
3390         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3391         void_type_node.
3392         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3393         contained expression.
3394         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3395         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3396         conditional expressions for C.
3397         (decl_constant_value_for_optimization): Move from
3398         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3399         whether optimizing and that the expression is a VAR_DECL not of
3400         array type instead of doing such checks in the caller.  Do not
3401         check pedantic.  Call gcc_unreachable for C++.
3402         * c-common.def (C_MAYBE_CONST_EXPR): New.
3403         * c-common.h (c_fully_fold, c_save_expr,
3404         decl_constant_value_for_optimization): New prototypes.
3405         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3406         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3407         EXPR_INT_CONST_OPERANDS): Define.
3408         * c-convert.c (convert): Strip nops from expression.
3409         * c-decl.c (groktypename): Take extra parameters expr and
3410         expr_const_operands.  Update call to grokdeclarator.
3411         (start_decl): Update call to grokdeclarator.  Add statement for
3412         expressions used in type of decl.
3413         (grokparm): Update call to grokdeclarator.
3414         (push_parm_decl): Update call to grokdeclarator.
3415         (build_compound_literal): Add parameter non_const and build a
3416         C_MAYBE_COSNT_EXPR if applicable.
3417         (grokdeclarator): Take extra parameters expr and
3418         expr_const_operands.  Track expressions used in declaration
3419         specifiers and declarators.  Fold array sizes and track whether
3420         they are constant expressions and whether they are integer
3421         constant expressions.
3422         (parser_xref_tag): Set expr and expr_const_operands fields in
3423         return value.
3424         (grokfield): Update call to grokdeclarator.
3425         (start_function): Update call to grokdeclarator.
3426         (build_null_declspecs): Set expr and expr_const_operands fields in
3427         return value.
3428         (declspecs_add_type): Handle expressions in typeof specifiers.
3429         * c-parser.c (c_parser_declspecs): Set expr and
3430         expr_const_operands fields for declaration specifiers.
3431         (c_parser_enum_specifier): Likewise.
3432         (c_parser_struct_or_union_specifier): Likewise.
3433         (c_parser_typeof_specifier): Likewise.  Update call to
3434         groktypename.  Fold expression as needed.  Return expressions with
3435         type instead of adding statements.
3436         (c_parser_attributes): Update calls to c_parser_expr_list.
3437         (c_parser_statement_after_labels): Fold expression before passing
3438         to objc_build_throw_stmt.
3439         (c_parser_condition): Fold expression.
3440         (c_parser_asm_operands): Fold expression.
3441         (c_parser_conditional_expression): Use c_save_expr.  Update call
3442         to build_conditional_expr.
3443         (c_parser_alignof_expression): Update call to groktypename.
3444         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3445         original_code.  Fold expression argument of va_arg.  Create
3446         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3447         argument to va_arg.  Update calls to groktypename.  Fold array
3448         index for offsetof.  Verify that first argument to
3449         __builtin_choose_expr has integer type.
3450         (c_parser_postfix_expression_after_paren_type): Update calls to
3451         groktypename and build_compound_literal.  Handle expressions with
3452         side effects in type name.
3453         (c_parser_postfix_expression_after_primary): Update call to
3454         c_parser_expr_list.  Set original_code for calls to
3455         __builtin_constant_p.
3456         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3457         expressions if requested.
3458         (c_parser_objc_type_name): Update call to groktypename.
3459         (c_parser_objc_synchronized_statement): Fold expression.
3460         (c_parser_objc_receiver): Fold expression.
3461         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3462         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3463         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3464         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3465         (struct c_typespec): Add elements expr and expr_const_operands.
3466         (struct c_declspecs): Add elements expr and expr_const_operands.
3467         (groktypename, build_conditional_expr, build_compound_literal):
3468         Update prototypes.
3469         (in_late_binary_op): Declare.
3470         * c-typeck.c (note_integer_operands): New function.
3471         (in_late_binary_op): New variable.
3472         (decl_constant_value_for_broken_optimization): Move to c-common.c
3473         and rename to decl_constant_value_for_optimization.
3474         (default_function_array_conversion): Do not strip nops.
3475         (default_conversion): Do not call
3476         decl_constant_value_for_broken_optimization.
3477         (build_array_ref): Do not fold result.
3478         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3479         result when operand is a VLA.
3480         (c_expr_sizeof_type): Update call to groktypename.  Handle
3481         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3482         result when operand names a VLA type.
3483         (build_function_call): Update call to build_compound_literal.
3484         Only fold result for calls to __builtin_* functions.  Strip
3485         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3486         the function designator.
3487         (convert_arguments): Fold arguments.  Update call to
3488         convert_for_assignment.
3489         (build_unary_op): Handle increment and decrement of
3490         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3491         decrement earlier.  Fold operand of increment and decrement.
3492         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3493         built for integer operand.  Wrap returns that are INTEGER_CSTs
3494         without being integer constant expressions or that have integer
3495         constant operands without being INTEGER_CSTs.
3496         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3497         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3498         result is an integer constant expression or can be used in
3499         unevaluated parts of one and avoid folding and wrap as
3500         appropriate.  Fold operands before possibly doing -Wsign-compare
3501         warnings.
3502         (build_compound_expr): Wrap result for C99 if operands can be used
3503         in integer constant expressions.
3504         (build_c_cast): Update call to digest_init.  Do not ignore
3505         overflow from casting floating-point constants to integers.  Wrap
3506         results that could be confused with integer constant expressions,
3507         null pointer constants or floating-point constants.
3508         (c_cast_expr): Update call to groktypename.  Handle expressions
3509         included in type name.
3510         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3511         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3512         Update calls to convert_for_assignment.
3513         (convert_for_assignment): Take new parameter
3514         null_pointer_constant.  Do not strip nops or call
3515         decl_constant_value_for_broken_optimization.  Set
3516         in_late_binary_op for conversions to boolean.
3517         (store_init_value): Update call to digest_init.
3518         (digest_init): Take new parameter null_pointer_constant.  Do not
3519         call decl_constant_value_for_broken_optimization.  pedwarn for
3520         initializers not constant expressions.  Update calls to
3521         convert_for_assignment.
3522         (constructor_nonconst): New.
3523         (struct constructor_stack): Add nonconst element.
3524         (really_start_incremental_init, push_init_level, pop_init_level):
3525         Handle constructor_nonconst and nonconst element.
3526         (set_init_index): Call constant_expression_warning for array
3527         designators.
3528         (output_init_element): Fold value.  Set constructor_nonconst as
3529         applicable.  pedwarn for initializers not constant expressions.
3530         Update call to digest_init.  Call constant_expression_warning
3531         where constant initializers are required.
3532         (process_init_element): Use c_save_expr.
3533         (c_finish_goto_ptr): Fold expression.
3534         (c_finish_return): Fold return value.  Update call to
3535         convert_for_assignment.
3536         (c_start_case): Fold switch expression.
3537         (c_process_expr_stmt): Fold expression.
3538         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3539         ensure statement expression is not evaluated in constant expression.
3540         (build_binary_op): Track whether results are integer constant
3541         expressions or may occur in such, disable folding and wrap results
3542         as applicable.  Fold operands for -Wsign-compare warnings unless
3543         in_late_binary_op.
3544         (c_objc_common_truthvalue_conversion): Handle results folded to
3545         integer constants that are not integer constant expressions.
3546         * doc/extend.texi: Document when typeof operands are evaluated,
3547         that condition of __builtin_choose_expr is an integer constant
3548         expression, and more about use of __builtin_constant_p in
3549         initializers.
3550
3551 2009-03-29  Richard Guenther  <rguenther@suse.de>
3552
3553         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3554         propagate addresses of array references.
3555
3556 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3557
3558         * regmove.c (perhaps_ends_bb_p): Remove.
3559         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3560         from INSN and check that the main loop stays within that basic block.
3561         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3562         (regmove_forward_pass): Split out from regmove_optimize.  Use
3563         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3564         (regmove_backward_pass): Split out from regmove_optimize.  Use
3565         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3566         (regmove_optimize): Simplify.
3567
3568 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3569
3570         PR target/39545
3571         * config/i386/i386.c (classify_argument): Ignore flexible array
3572         member in struct and warn ABI change.
3573
3574 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3575
3576         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3577
3578         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3579         (ix86_adjust_cost): Updated.
3580
3581 2009-03-29  Jan Hubicka  <jh@suse.cz>
3582
3583         PR middle-end/28850
3584         * tree-pass.h (pass_cleanup_eh): New function.
3585         (remove_unreachable_regions): Break code handling RTL
3586         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3587         that can not be reached by runtime.
3588         (can_be_reached_by_runtime): New function.
3589         (label_to_region_map): New function.
3590         (num_eh_regions): New function.
3591         (rtl_remove_unreachable_regions): New function.
3592         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3593         (remove_eh_region): New function.
3594         * except.h: Include sbitmap and vecprim.
3595         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3596         num_eh_regions): Declare.
3597         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3598         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3599         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3600         (tree_empty_eh_handler_p): New function.
3601         (cleanup_empty_eh): New function.
3602         (cleanup_eh): New function.
3603         (pass_cleanup_eh): New function.
3604
3605 2009-03-29  Jan Hubicka  <jh@suse.cz>
3606
3607         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3608         for removed regions.
3609
3610 2009-03-29  Jan Hubicka  <jh@suse.cz>
3611
3612         * except.c (dump_eh_tree): Dump all datastructures.
3613
3614 2009-03-29  Jan Hubicka  <jh@suse.cz>
3615
3616         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3617         (duplicate_eh_regions_1): Likewise.
3618         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3619         vector; call EH verification.
3620         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3621         Be ready for region being removed.
3622
3623 2009-03-29  Jan Hubicka  <jh@suse.cz>
3624
3625         * bitmap.c (bitmap_last_set_bit): New function.
3626         * bitmap.h (bitmap_last_set_bit): Declare.
3627
3628 2009-03-29  David Ayers  <ayers@fsfe.org>
3629
3630         PR objc/27377
3631         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3632         by calling objc_compare_types and surpress warnings about
3633         incompatible C pointers that are compatible ObjC pointers.
3634         
3635 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3636
3637         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3638         call initialize_inline_failed.
3639         (initialize_inline_failed): Move it from here ...
3640         * cgraph.c (initialize_inline_failed): ... to here.
3641         (cgraph_create_edge): Call initialize_inline_failed rather than
3642         setting inline_failed directly.
3643
3644 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3645
3646         PR target/32542
3647         * sysv4.opt (msdata): Improve comment.
3648         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3649         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3650
3651 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3652
3653         PR target/30451
3654         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3655         load and store attributes.
3656
3657 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3658
3659         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3660         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3661         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3662         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3663         __builtin_infq and __builtin_huge_valq.
3664
3665 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3666
3667         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3668         atmega8m1 devices.
3669         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3670         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3671
3672 2009-03-28  Xinliang David Li  <davidxl@google.com>
3673
3674         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3675         (do_dbg_cnt): New function.
3676
3677 2009-03-28  Jan Hubicka  <jh@suse.cz>
3678
3679         Merge from pretty-ipa:
3680
3681         2009-03-27  Jan Hubicka  <jh@suse.cz>
3682
3683         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3684         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3685         * passes.c (function_called_by_processed_nodes_p): New.
3686         * ipa-pure-const.c (check_call): Fix handling of operands.
3687         (analyze_function): Dump debug output for skipped bodies.
3688         (local_pure_const): Use function_called_by_processed_nodes_p.
3689         * dwarf2out.c (reference_to_unused): Use output.
3690         * passes.c (do_per_function_toporder): Likewise.
3691
3692         2008-11-12  Jan Hubicka  <jh@suse.cz>
3693
3694         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3695         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3696         state_set_in_source enum
3697         (check_decl): Ignore memory tags; do not set fake looping flags;
3698         dump diagnostics.
3699         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3700         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3701         (check_call, analyze_function): Rewrite.
3702         (check_stmt): New.
3703         (add_new_function): Update call of analyze_function.
3704         (generate_summary): Add call of analyze_function.
3705         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3706         (local_pure_const): New function.
3707         (pass_local_pure_const): New pass.
3708         * ipa-inline.c (inline_transform): Set after_inlining.
3709         * tree-eh.c (stmt_can_throw_external): New.
3710         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3711         work with aliasing built.
3712         * tree-flow.h (stmt_can_throw_external): New.
3713         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3714         and local pure/const pass in early and late optimization queue.
3715
3716 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3717
3718         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3719         allow_func_align.
3720         (fold_binary): Allow function decl aligment consideration is the
3721         second argument is integer constant one.
3722         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3723         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3724         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3725
3726 2009-03-28  Jan Hubicka  <jh@suse.cz>
3727
3728         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3729         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3730         * function.h (rtl_data): Add nothrow flag.
3731         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3732         set DECL_NOTHROW for AVAILABLE functions.
3733
3734 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3735
3736         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3737         following vector keyword has expansion starting with pixel or bool
3738         keyword, expand vector to __vector and pixel or bool to __pixel or
3739         __bool.
3740
3741         PR c++/39554
3742         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3743         warn_if_disallowed_function_p): Removed.
3744         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3745         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3746         warning_if_disallowed_function_p.
3747         * flags.h (warn_if_disallowed_function_p,
3748         warn_disallowed_functions): Removed.
3749         * common.opt (Wdisallowed-function-list=): Removed.
3750         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3751
3752 2009-03-28  Richard Guenther  <rguenther@suse.de>
3753
3754         PR tree-optimization/38723
3755         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3756         the entry block.
3757
3758 2009-03-28  Jan Hubicka  <jh@suse.cz>
3759
3760         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3761         test introduced by my previous patch.
3762
3763 2009-03-28  Richard Guenther  <rguenther@suse.de>
3764
3765         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3766         the PHIs value undefined.
3767
3768 2009-03-28  Jan Hubicka  <jh@suse.cz>
3769
3770         * tree-pass.h (pass_fixup_cfg): New pass.
3771         * ipa-inline.c (inline_transform): Set
3772         always_inline_functions_inlined/after_inlining.
3773         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3774         (pass_fixup_cfg): New pass.
3775         * passes.c (init_optimization_passes): Add fixup_cfg.
3776
3777 2009-03-28  Richard Guenther  <rguenther@suse.de>
3778
3779         PR tree-optimization/38458
3780         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3781         argument use the arguments copy-of value.
3782
3783 2009-03-28  Richard Guenther  <rguenther@suse.de>
3784
3785         PR tree-optimization/38180
3786         * tree-ssa-ccp.c (get_default_value): Simplify.
3787         (likely_value): Likewise.
3788         (surely_varying_stmt_p): Properly handle VOP case.
3789         (ccp_initialize): Likewise.
3790         (ccp_fold): Handle propagating through *&.
3791         (fold_const_aggregate_ref): Also handle decls.
3792
3793 2009-03-28  Jan Hubicka  <jh@suse.cz>
3794
3795         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3796         * cgraph.h (cgraph_node): Likewise.
3797         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3798         (cgraph_reset_node): Use process flag.
3799         (cgraph_mark_functions_to_output): Likewise.
3800         (cgraph_expand_function): Likewise.
3801         (cgraph_expand_all_functions): Likewise.
3802         (cgraph_output_in_order): Likewise.
3803         * dwarf2out.c (reference_to_unused): Likewise.
3804         * passes.c do_per_function_toporder): Likewise.
3805
3806 2009-03-28  Jan Hubicka  <jh@suse.cz>
3807
3808         Bring from lto-branch:
3809
3810         2008-09-03  Doug Kwan  <dougkwan@google.com>
3811
3812         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3813         enums instead of reason strings.
3814         * cgraph.c (cgraph_create_edge): Same.
3815         (cgraph_inline_failed_string): New function.
3816         * cgraph.h (cgraph_inline_failed_t): New enum type.
3817         (cgraph_inline_failed_string): New prototype.
3818         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3819         char pointer to cgraph_inline_failed_t.
3820         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3821         (cgraph_default_inline_p): Ditto.
3822         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3823         to cgraph_inline_failed_t pointer.
3824         * cif-code.def: New file.
3825         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3826         reason string.
3827         (cgraph_check_inline_limits): Change type of REASON to pointer to
3828         cgraph_inline_failed_t.  Replace reason strings with enums.
3829         (cgraph_default_inline_p): Ditto.
3830         (cgraph_recursive_inlining_p): Ditto.
3831         (update_caller_keys): Change type of FAILED_REASON to
3832         cgraph_inline_failed_t.
3833         (cgraph_set_inline_failed): Change type of REASON to pointer to
3834         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3835         convert enums to strings for text output.
3836         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3837         to be of type cgraph_inline_failed_t.  Replace reason strings with
3838         enums.  Call cgraph_inline_failed_string to covert enums
3839         to strings for text output.
3840         (cgraph_decide_inlining): Replace reason strings with enums.
3841         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3842         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3843         for text output.
3844         * tree-inline.c (expand_call_inline): Change type of REASON
3845         to cgraph_inline_failed_t.  Replace reason strings with enums.
3846         Call cgraph_inline_failed_string for text output.
3847         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3848         (cgraph.o): Ditto.
3849
3850 2009-03-28  Jan Hubicka  <jh@suse.cz>
3851
3852         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3853         cgraph_clone_node): Remove master clone handling.
3854         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3855         * cgraph.h (master_clone): Remove.
3856         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3857         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3858         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3859
3860 2009-03-28  Jan Hubicka  <jh@suse.cz>
3861
3862         * cgraph.c (cgraph_function_body_availability): Functions declared
3863         inline are always safe to assume that it is not going to be replaced.
3864
3865 2009-03-28  Richard Guenther  <rguenther@suse.de>
3866
3867         PR tree-optimization/38513
3868         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3869         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3870         EXC_PTR_EXPR and FILTER_EXPR.
3871         (get_ref_from_reference_ops): Likewise.
3872
3873 2009-03-28  Richard Guenther  <rguenther@suse.de>
3874
3875         PR tree-optimization/38968
3876         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3877         Use FLOOR_MOD_EXPR to compute misalignment.
3878
3879 2009-03-28  Richard Guenther  <rguenther@suse.de>
3880
3881         PR tree-optimization/37795
3882         * tree.h (combine_comparisons): Declare.
3883         * fold-const.c (combine_comparisons): Export.
3884         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3885         comparisons.
3886         (ifcombine_iforif): Use combine_comparisons.
3887
3888 2009-03-28  Jan Hubicka  <jh@suse.cz>
3889
3890         * tree-eh.c (inlinable_call_p): New function.
3891         (make_eh_edges): Use it.
3892         (verify_eh_edges): Use it.
3893         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3894         * except.c (reachable_next_level): Add inlinable_function argument
3895         (sjlj_find_directly_reachable_regions): Update.
3896         (add_reachable_handler): Do not set saw_any_handlers.
3897         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3898         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3899         Add new inlinable call parameter.
3900         (can_throw_internal, can_throw_external): Update.
3901         * except.h (can_throw_internal_1, can_throw_external_1,
3902         foreach_reachable_handler): Update declaration.
3903
3904 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3905
3906         * config/arm/t-arm-coff, config/h8300/coff.h,
3907         config/i386/i386-aout.h, config/i386/i386-coff.h,
3908         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3909         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3910         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3911         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3912         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3913         sys-types.h: Remove.
3914         * Makefile.in: Remove protoize and fixproto support and references
3915         in comments.
3916         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3917         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3918         Remove.
3919         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3920         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3921         unprotoize$(exeext).
3922         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3923         (.PHONY): Don't depend on proto.
3924         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3925         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3926         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3927         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3928         build/gen-protos.o, build/scan.o, xsys-protos.h,
3929         build/fix-header$(build_exeext), build/fix-header.o,
3930         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3931         stmp-install-fixproto): Remove.
3932         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3933         SYSCALLS.c or fixproto files.
3934         (install-common): Don't install protoize.
3935         (install-headers-tar, install-headers-cpio, install-headers-cp):
3936         Don't depend on $(STMP_FIXPROTO).
3937         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3938         install fixproto files or write out fixproto settings.
3939         (uninstall): Don't uninstall protoize.
3940         * config.gcc (use_fixproto): Remove.
3941         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3942         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3943         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3944         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3945         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3946         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3947         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3948         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3949         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3950         * config/t-vxworks (STMP_FIXPROTO): Remove.
3951         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3952         STMP_FIXPROTO): Remove.
3953         * config.in, configure: Regenerate.
3954         * crtstuff.c (gid_t, uid_t): Don't undefine.
3955         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3956         (arm-*-coff, arm-*-aout: Remove target entries.
3957         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3958         Remove mention of AIX 4.1.
3959         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3960         * doc/invoke.texi (Running Protoize): Remove.
3961         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3962         (Protoize Caveats): Remove.
3963         * tsystem.h: Update comments on headers assumed to exist.
3964
3965 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3966
3967         * genautomata.c: Add a new year to the copyright.  Add a new
3968         reference.
3969         (struct insn_reserv_decl): Add comments for member bypass_list.
3970         (find_bypass): Remove.
3971         (insert_bypass): New.
3972         (process_decls): Use insert_bypass.
3973         (output_internal_insn_latency_func): Output all bypasses with the
3974         same input insn in one switch case.
3975
3976         * rtl.def (define_bypass): Describe bypass choice.
3977         * doc/md.texi (define_bypass): Ditto.
3978
3979 2009-03-27  Richard Guenther  <rguenther@suse.de>
3980
3981         * gimplify.c (mark_addressable): Export.
3982         * tree-flow.h (mark_addressable): Declare.
3983         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3984         * tree-ssa.c (verify_phi_args): Verify that address taken
3985         variables have TREE_ADDRESSABLE set.
3986
3987 2009-03-27  Richard Guenther  <rguenther@suse.de>
3988
3989         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3990         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3991         Do not mark decls TREE_ADDRESSABLE.
3992         (build_fold_addr_expr): Adjust.
3993         (fold_addr_expr): Remove.
3994         (fold_unary): Use build_fold_addr_expr.
3995         (fold_comparison): Likewise.
3996         (split_address_to_core_and_offset): Likewise.
3997         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3998         TREE_ADDRESSABLE.
3999         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
4000         (gimplify_modify_expr_to_memcpy): Mark source and destination
4001         addressable.
4002         * omp-low.c (create_omp_child_function): Mark the object decl
4003         TREE_ADDRESSABLE.
4004         (lower_rec_input_clauses): Mark the var we take the address of
4005         TREE_ADDRESSABLE.
4006         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
4007
4008 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4009
4010         PR middle-end/39315
4011         * cfgexpand.c (expand_one_stack_var_at): Change alignment
4012         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
4013
4014 2009-03-27  Richard Guenther  <rguenther@suse.de>
4015
4016         PR tree-optimization/39120
4017         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
4018         constraints.
4019         (handle_lhs_call): Process return constraints.  Add escape
4020         constraints if necessary.
4021         (handle_const_call): Fill out return constraints.  Make nested
4022         case more precise.  Avoid consttmp if possible.
4023         (handle_pure_call): Fill out return constraints.  Avoid
4024         callused if possible.
4025         (find_func_aliases): Simplify call handling.
4026
4027 2009-03-27  Richard Guenther  <rguenther@suse.de>
4028
4029         PR tree-optimization/39120
4030         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
4031         as a representative.
4032         (solve_graph): Do propagate CALLUSED.
4033         (handle_pure_call): Use a scalar constraint from CALLUSED for
4034         the return value.
4035         (find_what_p_points_to): CALLUSED shall not appear in poins-to
4036         solutions.
4037
4038 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4039
4040         PR c/39323
4041         * c-common.c (handle_aligned_attribute): Properly check alignment
4042         overflow.  Use (1U << i) instead of (1 << i).
4043
4044         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
4045
4046         * expr.h (get_mem_align_offset): Updated.
4047
4048         * tree.h (tree_decl_common): Change align to "unsigned int" and
4049         move it before pointer_alias_set.
4050
4051 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4052             Jakub Jelinek  <jakub@redhat.com>
4053
4054         PR target/38034
4055         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
4056         gr_register_operand with gr_reg_or_0_operand.
4057         (cmpxchg_rel_di): Likewise.
4058         (sync_lock_test_and_set<mode>): Likewise.
4059
4060 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4061
4062         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
4063         (true_regnum): Likewise.
4064
4065         * rtlanal.c (subreg_info): Moved to ...
4066         * rtl.h (subreg_info): Here.  New.
4067         (subreg_get_info): New.
4068
4069         * rtlanal.c (subreg_get_info): Make it extern.
4070
4071 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4072
4073         PR target/39472
4074         * config/i386/i386.c (ix86_abi): New.
4075         (override_options): Handle -mabi=.
4076         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
4077         (ix86_call_abi_override): Likewise.
4078         (init_cumulative_args): Likewise.
4079         (function_arg_advance): Likewise.
4080         (function_arg_64): Likewise.
4081         (function_arg): Likewise.
4082         (ix86_pass_by_reference): Likewise.
4083         (ix86_function_value_regno_p): Likewise.
4084         (ix86_build_builtin_va_list_abi): Likewise.
4085         (setup_incoming_varargs_64): Likewise.
4086         (is_va_list_char_pointer): Likewise.
4087         (ix86_init_machine_status): Likewise.
4088         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
4089         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
4090         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
4091         (ix86_function_abi): Make it static and return enum calling_abi.
4092         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
4093         with ix86_abi.
4094         (ix86_fn_abi_va_list): Updated.
4095
4096         * config/i386/i386.h (ix86_abi): New.
4097         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
4098         (CONDITIONAL_REGISTER_USAGE): Likewise.
4099         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
4100         (machine_function): Likewise.
4101
4102         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
4103         with ix86_abi.
4104         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
4105         (STACK_BOUNDARY): Likewise.
4106         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
4107
4108         * config/i386/i386.opt (mabi=): New.
4109
4110         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
4111         return enum calling_abi.
4112         (ix86_function_type_abi): Likewise.
4113         (ix86_function_abi): Removed.
4114
4115         * doc/invoke.texi: Document -mabi= option for x86.
4116
4117 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4118
4119         * builtins.c (real_dconstp): Delete.
4120         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
4121
4122 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
4123             Jakub Jelinek  <jakub@redhat.com>
4124
4125         PR debug/37959
4126         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
4127         (gen_subprogram_die): When a function is explicit, generate the
4128         DW_AT_explicit attribute.
4129         * langhooks.h (struct lang_hooks_for_decls): Add
4130         function_decl_explicit_p langhook.
4131         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
4132         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4133
4134 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
4135
4136         * builtins.c (fold_builtin_memory_op): Optimize memmove
4137         into memcpy if we can prove source and destination don't overlap.
4138
4139         * tree-inline.c: Include gt-tree-inline.h.
4140         (clone_fn_id_num): New variable.
4141         (clone_function_name): New function.
4142         (tree_function_versioning): Use it.
4143         * Makefile.in (GTFILES): Add tree-inline.c.
4144
4145 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4146
4147         * BASE-VER: Change to 4.5.0.
4148
4149 2009-03-27  Xinliang David Li  <davidxl@google.com>
4150
4151         PR tree-optimization/39557
4152         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4153
4154 2009-03-27  Xinliang David Li  <davidxl@google.com>
4155
4156         PR tree-optimization/39548
4157         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
4158         candidate check.
4159
4160 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4161
4162         * c-common.c (pointer_int_sum): Use %wd on return from
4163         tree_low_cst.
4164
4165 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4166
4167         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4168         on return from tree_low_cst.
4169
4170 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4171
4172         PR c++/36799
4173         * ginclude/stdarg.h (va_copy): Define also for
4174         __GXX_EXPERIMENTAL_CXX0X__.
4175
4176 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4177
4178         PR c++/35652
4179         * builtins.h (c_strlen): Do not warn here.
4180         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4181         * c-common.c (pointer_int_sum): Take an explicit location.
4182         Warn about offsets out of bounds.
4183         * c-common.h (pointer_int_sum): Adjust declaration.
4184
4185 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4186
4187         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4188         markup glitch.
4189
4190 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4191
4192         PR c++/39554
4193         * opts.c (warn_if_disallowed_function_p): Don't assume
4194         get_callee_fndecl must return non-NULL.
4195
4196 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4197
4198         PR rtl-optimization/39522
4199         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4200         when reg_reloaded_valid is set.
4201
4202 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4203
4204         * config/spu/divv2df3.c: New file.
4205         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4206         (DPBIT_FUNCS): Filter out _div_df.
4207
4208 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4209
4210         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4211         a jump insn, count that jump in the distance to the loop start.
4212
4213 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4214
4215         PR target/39523
4216         * config/sh/sh.c (calc_live_regs): Fix condition for global
4217         registers except PIC_OFFSET_TABLE_REGNUM.
4218
4219 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4220
4221         PR/39518
4222         * doc/invoke.texi (-mconsole): New.
4223         (-mcygwin): New.
4224         (-mno-cygwin): New.
4225         (-mdll): New.
4226         (-mnop-fun-dllimport): New.
4227         (-mthread): New.
4228         (-mwin32): New.
4229         (-mwindows): New.
4230         (sub section "i386 and x86-64 Windows Options"): New.
4231
4232 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4233
4234         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4235         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4236
4237 2009-03-25  Richard Guenther  <rguenther@suse.de>
4238
4239         PR middle-end/39497
4240         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4241         of -Wno-error.
4242
4243 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4244
4245         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4246         neither of haifa/selective schedulers are working.
4247
4248 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4249
4250         * doc/invoke.texi (Debugging Options): Fix description of
4251         -fno-merge-debug-strings.
4252
4253 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4254
4255         * config/cris/libgcc.ver: New version-script.
4256         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4257
4258         * configure.ac <GAS features, nop mnemonic>: Add pattern
4259         crisv32-*-* for "nop".
4260         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4261         * configure: Regenerate.
4262
4263 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4264
4265         PR tree-optimization/39529
4266         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4267         mark_sym_for_renaming for the tag copied to the new vector
4268         pointer.
4269
4270 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4271
4272         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4273         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4274         EXTRA_SPEC_FUNCTIONS.
4275         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4276         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4277         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4278         -march and -mtune options.
4279
4280 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4281
4282         * config/m68k/t-rtems: Add m5329 multilib.
4283
4284 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4285             Jakub Jelinek  <jakub@redhat.com>
4286
4287         PR debug/39524
4288         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4289         nodes.
4290
4291 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4292
4293         PR c/39495
4294         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4295         instead of c_parser_expression_conv, if original_code isn't one of the
4296         4 allowed comparison codes, fail.
4297
4298 2009-03-23  Richard Guenther  <rguenther@suse.de>
4299
4300         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4301         * tree.h (struct tree_type): Likewise.
4302         * reload.h (struct insn_chain): Likewise.
4303         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4304         * function.h (struct function): Likewise.
4305         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4306
4307 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4308
4309         PR tree-optimization/39516
4310         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4311
4312 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4313
4314         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4315         should be set true if BITS_PER_WORD of target is bigger than 32
4316
4317 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4318
4319         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4320         Translate -B-options to -rpath-link.  Correct existing
4321         rpath-link and conditionalize on !nostdlib.
4322
4323 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4324
4325         * doc/extend.texi (Function Attributes, Variable Attributes):
4326         Fix typos.
4327         * doc/invoke.texi (Debugging Options, Optimize Options)
4328         (i386 and x86-64 Options, MCore Options): Likewise.
4329
4330 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4331
4332         PR debug/37890
4333         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4334         it for block local namespace aliases.
4335         (gen_decl_die): Pass context_die to gen_namespace_die.
4336
4337 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4338
4339         PR c/39495
4340         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4341         minimum or maximum value.
4342
4343 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4344
4345         * reginfo.c (globalize_reg): Recompute derived reg sets.
4346
4347 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4348
4349         PR target/39063
4350         * libgcc2.c (mprotect): Do not use signed arguments for
4351         VirtualProtect, use DWORD arguments.  Also fix the 'may
4352         be used uninitialized' warning for the np variable.
4353
4354 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4355
4356         PR target/39496
4357         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4358         functions using regparm calling conventions when not optimizing.
4359         (ix86_function_sseregparm): Similarly for sseregparm calling
4360         conventions.
4361
4362 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4363
4364         PR middle-end/39500
4365         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4366         dependence if the first conflict is after niter iterations.
4367
4368 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4369
4370         PR middle-end/38609
4371         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4372         functions with dynamic stack-pointer adjustments.
4373
4374 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4375
4376         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4377         option; change to -msdata=data.
4378
4379 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4380
4381         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4382         and -fopenmp.
4383
4384 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4385
4386         PR target/35180
4387         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4388
4389 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4390
4391         * doc/invoke.texi (Code Gen Options): Expand discussion of
4392         -fno-common.
4393
4394 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4395
4396         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4397         * matrix-reorg.c (struct matrix_info): Likewise.
4398         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4399         * rtl.h (struct mem_attrs): Likewise.
4400         * df.h (struct df): Likewise.
4401         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4402         * ira-int.h (struct ira_allocno): Likewise.
4403         * df-scan.c (struct df_collection_rec): Likewise.
4404         * ira.c (struct equivalence): Likewise.
4405         * function.c (struct temp_slot): Likewise.
4406         * cfgloop.h (struct loop): Likewise.
4407
4408         PR debug/39485
4409         * function.c (use_register_for_decl): When not optimizing, disregard
4410         register keyword for variables with types containing methods.
4411
4412 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4413
4414         PR middle-end/39447
4415         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4416         (is_simple_operand): Call contains_component_ref_p before calling data
4417         reference analysis that would fail on COMPONENT_REFs.
4418
4419         * tree-vrp.c (search_for_addr_array): Fix formatting.
4420
4421 2009-03-18  Richard Guenther  <rguenther@suse.de>
4422
4423         * tree-vect-transform.c (vect_loop_versioning): Fold the
4424         generated comparisons.
4425         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4426         (slpeel_tree_peel_loop_to_edge): Likewise.
4427
4428 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4429
4430         PR middle-end/37805
4431         * opts.c (print_specific_help): In addition to `undocumented',
4432         accept `separate' and `joined' flags if passed alone.  Describe
4433         output by the first matched one of those.
4434         (common_handle_option): Skip over empty strings.
4435         * gcc.c (display_help): Fix help string for `--help='.
4436         * doc/invoke.texi (Option Summary, Overall Options): With
4437         `--help=', classes and qualifiers can both be repeated, but
4438         only the latter can be negated.  One should not pass only
4439         negated qualifiers.  Fix markup and examples.
4440
4441         Revert
4442         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4443         PR middle-end/37805
4444         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4445         and -fhelp=separate.
4446
4447 2009-03-17  Jing Yu  <jingyu@google.com>
4448
4449         PR middle-end/39378
4450         * function.h (struct rtl_data): Move is_thunk from here...
4451         (struct function): ...to here.
4452         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4453         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4454         cfun.
4455         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4456         cfun.
4457         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4458         (alpha_output_function_end_prologue): Likewise.
4459         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4460         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4461         (rs6000_output_function_epilogue): Likewise.
4462         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4463
4464 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4465
4466         PR target/39482
4467         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4468         from different units in a single alternative.
4469         (*truncdfsf_i387): Ditto.
4470         (*truncxfsf2_mixed): Ditto.
4471         (*truncxfdf2_mixed): Ditto.
4472
4473 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4474
4475         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4476         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4477
4478         PR debug/39474
4479         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4480         unused non-artificial variables when not optimizing.
4481
4482         PR debug/39471
4483         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4484         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4485         NAMESPACE_DECL in its DECL_INITIAL.
4486
4487         PR middle-end/39443
4488         * optabs.c (set_user_assembler_libfunc): New function.
4489         * expr.h (set_user_assembler_libfunc): New prototype.
4490         * c-common.c: Include libfuncs.h.
4491         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4492         for memcmp, memset, memcpy, memmove and abort.
4493         * Makefile.in (c-common.o): Depend on libfuncs.h.
4494
4495         PR debug/39412
4496         * dwarf2out.c (gen_inlined_enumeration_type_die,
4497         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4498         gen_tagged_type_instantiation_die): Removed.
4499         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4500         do nothing.
4501
4502 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4503
4504         PR testsuite/38526
4505         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4506         its use.
4507         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4508         (check-parallel-%): Ditto.
4509         (check-consistency): Ditto.
4510
4511 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4512
4513         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4514         local variable rhs by NULL_TREE.
4515
4516 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4517
4518         PR target/39477
4519         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4520
4521 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4522
4523         PR target/39476
4524         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4525
4526 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4527
4528         PR target/39473
4529         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4530         for ms->sysv ABI calls only in 64bit mode.
4531
4532         * config/i386/i386.md (untyped_call): Support 32bit.
4533
4534 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4535
4536         * doc/extend.texi: Replace x86_65 with x86_64.
4537
4538 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4539
4540         PR tree-optimization/39455
4541         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4542         mismatches for POINTER_TYPE_P (type).
4543         (number_of_iterations_le): Likewise.
4544
4545 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4546
4547         * config/picochip/picochip.c: Removed profiling support.
4548         * config/picochip/picochip.md: Removed profiling instruction.
4549         * config/picochip/picochip.h: Removed profiling builtin.
4550
4551 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4552
4553         * doc/install.texi (--with-host-libstdcxx): Document.
4554
4555 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4556
4557         PR target/34299
4558         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4559         generate a warning if the function name does not begin with
4560         "__vector" and the function has either the 'signal' or 'interrupt'
4561         attribute, from here to ...
4562         (avr_declare_function_name): ...here. New function.
4563         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4564         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4565
4566 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4567
4568         PR bootstrap/39454
4569         * cse.c (fold_rtx): Don't modify original const_arg1 when
4570         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4571         separate variable instead.
4572         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4573         from out of range shift counts.
4574         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4575
4576 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4577
4578         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4579         diagnostic.h with $(DIAGNOSTIC_H).
4580
4581 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4582
4583         PR target/39431
4584         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4585         predicate.
4586         * config/i386/sync.md (sync_compare_and_swap<mode>,
4587         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4588         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4589         into a register.
4590         (sync_double_compare_and_swapdi_pic,
4591         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4592         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4593
4594 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4595
4596         PR target/39445
4597         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4598
4599 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4600
4601         PR target/39327
4602         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4603         (avx_addsubv4df3): Likewise.
4604         (*avx_addsubv4sf3): Likewise.
4605         (sse3_addsubv4sf3): Likewise.
4606
4607 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4608
4609         PR target/38824
4610         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4611
4612 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4613
4614         PR debug/39432
4615         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4616         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4617         registers for allocnos created from user-defined variables.
4618
4619 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4620
4621         PR target/39181
4622         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4623         of non-integer mode as well.
4624
4625 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4626
4627         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4628         for functions for which the parameter types are unknown.
4629
4630 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4631
4632         PR target/39137
4633         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4634         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4635         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4636         * config/i386/i386.c (ix86_local_alignment): For
4637         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4638         long long variables on the stack to avoid dynamic realignment.
4639         Allow the first argument to be a decl rather than type.
4640         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4641
4642 2009-03-11  Nick Clifton  <nickc@redhat.com>
4643
4644         PR target/5362
4645         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4646         options.
4647         Add description to mno-lsim option.
4648         * config/mcore/mcore.h: Remove comment about deprecated m4align
4649         option.
4650         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4651         * doc/invoke.texi: Add description of mno-lsim and
4652         mstack-increment options.
4653
4654         * config/fr30/fr30.opt: Document the -mno-lsim option.
4655         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4656         and -mno-lsim options.
4657
4658 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4659
4660         * fold-const.c (fold_comparison): Only call fold_inf_compare
4661         if the mode supports infinities.
4662
4663 2009-03-11  Jason Merrill  <jason@redhat.com>
4664
4665         PR debug/39086
4666         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4667         end already did.  Notice GIMPLE_CALL modifications of the result.
4668         Don't copy debug information from an ignored decl or a decl from
4669         another function.
4670
4671 2009-03-10  Richard Guenther  <rguenther@suse.de>
4672             Nathan Froyd  <froydnj@codesourcery.com>
4673
4674         PR middle-end/37850
4675         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4676         (__divMODE3): Likewise.
4677
4678 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4679
4680         PR tree-optimization/39394
4681         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4682         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4683
4684 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4685
4686         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4687         inline asms for register asm ("") declarations.
4688
4689 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4690
4691         * fold-const.c (fold_unary): Fix comment.
4692
4693 2009-03-07  Jan Hubicka  <jh@suse.cz>
4694
4695         PR target/39361
4696         * tree-inline.c (setup_one_parameter): Do replacement of const
4697         argument by constant in SSA form.
4698
4699 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4700
4701         PR middle-end/38028
4702         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4703         determine alignment passed to assign_stack_local.
4704         (assign_parms_unsplit_complex): Likewise.
4705         * except.c (sjlj_build_landing_pads): Likewise.
4706
4707 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4708
4709         PR middle-end/39360
4710         * tree-flow.h (add_referenced_var): Return bool instead of void.
4711         * tree-dfa.c (add_referenced_var): Return result of
4712         referenced_var_check_and_insert call.
4713         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4714         of referenced_var_check_and_insert.
4715
4716         PR debug/39372
4717         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4718         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4719         DIE, don't emit it if abstract origin already has it.
4720         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4721         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4722
4723 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4724
4725         * genpreds.c (needs_variable): Fix parentheses at variable name
4726         detection.
4727         (write_tm_constrs_h): Indent generated code.
4728
4729 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4730
4731         * doc/extend.texi (Function Attributes): Add documentation
4732         for isr attributes.
4733
4734 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4735
4736         PR debug/39387
4737         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4738         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4739
4740 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4741
4742         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4743         the loop as bad.
4744
4745 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4746
4747         PR debug/39379
4748         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4749         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4750
4751 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4752
4753         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4754         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4755         constants instead of magic numbers.
4756         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4757         (QI_REG_P): Ditto.
4758         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4759         (x86_64_ms_abi_int_parameter_registers): Ditto.
4760         (x86_64_int_return_registers): Ditto.
4761         (ix86_maybe_switch_abi): Ditto.
4762         (ix86_expand_call): Ditto for clobbered_registers array.
4763         (ix86_hard_regno_mode_ok): Ditto.
4764         (x86_extended_QIreg_mentioned_p): Ditto.
4765
4766 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4767
4768         PR tree-optimization/39349
4769         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4770
4771         * combine.c (gen_lowpart_for_combine): Use omode when generating
4772         clobber.
4773
4774 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4775
4776         PR rtl-optimization/39235
4777         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4778
4779 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4780
4781         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4782
4783 2009-03-04  Richard Guenther  <rguenther@suse.de>
4784
4785         PR tree-optimization/39362
4786         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4787         that occur in abnormal PHIs should be varying.
4788
4789 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4790
4791         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4792         Extend comments.
4793         (simple_iv):  Take loop as an argument instead of statement.
4794         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4795         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4796         to simple_iv.
4797         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4798         Ditto.
4799         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4800         * matrix-reorg.c (analyze_transpose): Ditto.
4801         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4802         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4803         * tree-predcom.c (ref_at_iteration): Ditto.
4804         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4805
4806 2009-03-04  Richard Guenther  <rguenther@suse.de>
4807
4808         PR tree-optimization/39358
4809         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4810         escaped_id and callused_id.
4811         (solve_graph): Likewise.
4812
4813 2009-03-04  Richard Guenther  <rguenther@suse.de>
4814
4815         PR tree-optimization/39339
4816         * tree-sra.c (try_instantiate_multiple_fields): Make it
4817         no longer ICE on the above.
4818
4819 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4820
4821         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4822         that fits within Pmode.
4823
4824 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4825
4826         PR middle-end/10109
4827         * tm.texi (LIBCALL_VALUE): Update description.
4828
4829 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4830
4831         PR middle-end/34443
4832         * doc/extend.texi (section): Update description.
4833
4834 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4835
4836         PR middle-end/39345
4837         * tree-inline.c (remapped_type): New.
4838         (can_be_nonlocal): Call remapped_type instead of remap_type.
4839
4840 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4841
4842         PR fortran/39354
4843         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4844         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4845
4846 2009-03-03  Richard Guenther  <rguenther@suse.de>
4847
4848         PR middle-end/39272
4849         * tree.c (tree_nonartificial_location): New function.
4850         * tree.h (tree_nonartificial_location): Declare.
4851         * builtins.c (expand_builtin_memory_chk): Provide location
4852         of the call location for artificial function pieces.
4853         (maybe_emit_chk_warning): Likewise.
4854         (maybe_emit_sprintf_chk_warning): Likewise.
4855         (maybe_emit_free_warning): Likewise.
4856         * expr.c (expand_expr_real_1): Likewise.
4857
4858 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4859
4860         PR tree-optimization/39343
4861         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4862         COMPONENT_REF t has ARRAY_TYPE.
4863
4864 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4865
4866         PR middle-end/39335
4867         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4868         when the type precision of the induction variable should be
4869         larger than the type precision of nit.
4870         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4871         * graphite.c (graphite_loop_normal_form): Same.
4872         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4873
4874 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4875
4876         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4877         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4878         numbers to describe clobbered registers.
4879         (*call_value_0_rex64_ms_sysv): Ditto.
4880         * config/i386/mmx.md (mmx_emms): Ditto.
4881         (mmx_femms): Ditto.
4882
4883 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4884
4885         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4886         of ABI_64.
4887
4888 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4889
4890         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4891         (spu_section_type_flags): New function.
4892
4893 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4894
4895         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4896         reg_class_contents of FLOAT_REGS into a temporary.
4897
4898 2009-03-02  Richard Guenther  <rguenther@suse.de>
4899             Ira Rosen  <irar@il.ibm.com>
4900
4901         PR tree-optimization/39318
4902         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4903         information to the vectorized statement.
4904
4905 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4906
4907         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4908         variable.  Use defined names instead of magic constants for REX SSE
4909         registers.
4910
4911 2009-03-01  Richard Guenther  <rguenther@suse.de>
4912
4913         PR tree-optimization/39331
4914         * omp-low.c (lower_send_shared_vars): Do not receive new
4915         values for the reference of DECL_BY_REFERENCE parms or results.
4916
4917 2009-03-01  Jan Hubicka  <jh@suse.cz>
4918
4919         PR debug/39267
4920         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4921         BLOCK_NONLOCALIZED_VAR): New macros.
4922         (tree_block): Add nonlocalized_vars.
4923         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4924         gen_decl_die): Add origin argument.  Allow generation of die with
4925         origin at hand only.
4926         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4927         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4928         of gen_*.
4929         (gen_block_die): Fix checking for unused blocks.
4930         (process_scope_var): Break out from .... ; work with origins only.
4931         (decls_for_scope) ... here; process nonlocalized list.
4932         (dwarf2out_ignore_block): Look for nonlocalized vars.
4933         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4934         vars.
4935         (dump_scope_block): Dump them.
4936         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4937         (remap_block): Likewise.
4938         (can_be_nonlocal): New predicate.
4939         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4940
4941 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4942
4943         * configure: Regenerate.
4944
4945 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4946
4947         * optc-gen.awk: No need to duplicate option flags twice.
4948         Reuse help texts for duplicate options which do not have any.
4949
4950         * gcc.c (display_help): Document --version.
4951
4952         * gcc.c (main): If print_help_list and verbose_flag, ensure
4953         driver output comes before subprocess output.
4954
4955         * optc-gen.awk: Assign all remaining fields to help string,
4956         space-separated, for multi-line help in *.opt.
4957
4958         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4959         -Wno-pedantic-ms-format is for MinGW targets only.
4960
4961         * doc/options.texi (Option file format): Fix bad indentation,
4962         restoring dropped sentence.
4963
4964 2009-02-28  Jan Hubicka  <jh@suse.cz>
4965
4966         * tree-inline.c (tree_function_versioning): Output debug info.
4967
4968 2009-02-28  Jan Hubicka  <jh@suse.cz>
4969
4970         PR debug/39267
4971         * tree-inline.c (setup_one_parameter): Do not copy propagate
4972         arguments when not optimizing.
4973
4974 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4975
4976         PR target/39327
4977         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4978         (avx_addsubv4df3): Likewise.
4979         (*avx_addsubv4sf3): Likewise.
4980         (sse3_addsubv4sf3): Likewise.
4981         (*avx_addsubv2df3): Likewise.
4982         (sse3_addsubv2df3): Likewise.
4983         (avx_unpckhps256): Correct item selectors.
4984         (avx_unpcklps256): Likewise.
4985         (avx_unpckhpd256): Likewise.
4986         (avx_unpcklpd256): Likewise.
4987
4988 2009-02-28  Jan Hubicka  <jh@suse.cz>
4989
4990         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4991         static vars.
4992         (copy_arguments_for_versioning): If var is declared don't declare it.
4993         (tree_function_versioning): First setup substitutions and then copy
4994         args.
4995
4996 2009-02-27  Jan Hubicka  <jh@suse.cz>
4997
4998         PR debug/39267
4999         * cgraph.h (varpool_output_debug_info): Remove.
5000         * cgraphunit.c (varpool_output_debug_info): Remove.
5001         * dwarf2out.c (deferred_locations_struct): New struct
5002         (deferred_locations): New type.
5003         (deferred_locations_list): New static var.
5004         (deffer_location): New function.
5005         (gen_variable_die): Use it.
5006         (decls_for_scope): Output info on local static vars.
5007         (dwarf2out_finish): Process deferred locations.
5008         * varpool.c (varpool_output_debug_info): Remove.
5009
5010 2009-02-27  Jan Hubicka  <jh@suse.cz>
5011
5012         PR debug/39267
5013         * tree.h (TREE_PROTECTED): Fix comment.
5014         (BLOCK_HANDLER_BLOCK): Remove.
5015         (struct tree_block): Remove handler_block add body_block.
5016         (inlined_function_outer_scope_p): New.
5017         (is_body_block): Remove.
5018         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
5019         * dwarf2out.c (is_inlined_entry_point): Remove.
5020         (add_high_low_attributes): Use inlined_function_outer_scope_p.
5021         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
5022         code.
5023         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
5024         * gimplify.c (gimplify_expr): Gimplify body blocks.
5025         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
5026         block with multiple subblocks.
5027         (dump_scope_block): Prettier output; dump more flags and info.
5028         (dump_scope_blocks): New.
5029         (remove_unused_locals): Use dump_scope_blocks.
5030         * tree-flow.h (dump_scope_blocks): Declare.
5031         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
5032         * stmt.c (is_body_block): Remove.
5033         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
5034         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
5035
5036 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5037
5038         PR middle-end/39308
5039         * graphite.c (graphite_loop_normal_form): Do not call 
5040         number_of_iterations_exit from a gcc_assert.
5041
5042 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5043
5044         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
5045         jumps if COND is NULL.
5046         (find_cond_jump): New function.
5047         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
5048         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
5049
5050 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
5051
5052         * config/alpha/alpha.h (alpha_expand_mov): Return false if
5053         force_const_mem returns NULL_RTX.
5054
5055 2009-02-26  Jan Hubicka  <jh@suse.cz>
5056
5057         PR debug/39267
5058         * cgraph.h (varpool_output_debug_info): Remove.
5059         * cgraphunit.c (varpool_output_debug_info): Remove.
5060         * dwarf2out.c (deferred_locations_struct): New struct
5061         (deferred_locations): New type.
5062         (deferred_locations_list): New static var.
5063         (deffer_location): New function.
5064         (gen_variable_die): Use it.
5065         (decls_for_scope): Output info on local static vars.
5066         (dwarf2out_finish): Process deferred locations.
5067         * varpool.c (varpool_output_debug_info): Remove.
5068
5069 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
5070
5071         PR rtl-optimization/39241
5072         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
5073         to subreg_offset_representable_p.
5074
5075 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5076
5077         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
5078         execute function prototype.  Get f and nregs from max_reg_num
5079         and get_insns.  Remove the first backward pass as it's dead,
5080         guard the forward pass by flag_expensive_optimizations.
5081         (rest_of_handle_regmove): Delete.
5082         (pass_regmove): Replace it with regmove_optimize.
5083
5084 2009-02-25  Martin Jambor  <mjambor@suse.cz>
5085
5086         PR tree-optimization/39259
5087         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
5088         calls_alloca function flags.
5089         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
5090         calls are detected.
5091
5092 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5093
5094         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
5095         flags_set_1_rtx, flags_set_1_set): Delete.
5096         (regmove_optimize): Do not call mark_flags_life_zones.
5097
5098 2009-02-24  Julian Brown  <julian@codesourcery.com>
5099
5100         PR target/35965
5101         * config/arm/arm.c (require_pic_register): Only set
5102         cfun->machine->pic_reg once per function.
5103
5104 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
5105
5106         * doc/invoke.texi (Link Options): Document an easier way to pass
5107         options that take arguments to the GNU linker using -Xlinker and -Wl.
5108
5109 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
5110
5111         PR target/33785
5112         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
5113
5114 2009-02-24  Richard Guenther  <rguenther@suse.de>
5115
5116         PR debug/39285
5117         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
5118
5119 2009-02-24  Richard Guenther  <rguenther@suse.de>
5120             Zdenek Dvorak  <ook@ucw.cz>
5121
5122         PR tree-optimization/39233
5123         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
5124         from converting them to a generic type.
5125
5126 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5127
5128         PR tree-optimization/39260
5129         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
5130         contains a condition with a real type.
5131         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
5132
5133 2009-02-23  Jason Merrill  <jason@redhat.com>
5134
5135         PR c++/38880
5136         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5137         narrowing_initializer_constant_valid_p.
5138         (narrowing_initializer_constant_valid_p): Don't return 
5139         null_pointer_node for adding a pointer to itself.
5140
5141 2009-02-23  Jan Hubicka  <jh@suse.cz>
5142
5143         PR c/12245
5144         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5145         resizing.
5146
5147 2009-02-23  Jan Hubicka  <jh@suse.cz>
5148
5149         PR tree-optimization/37709
5150         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5151         * tree.h (block_ultimate_origin): Declare.
5152         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5153         * tree-ssa-live.c (remove_unused_scope_block_p):
5154         Eliminate blocks containig no instructions nor live variables nor
5155         nested blocks.
5156         (dump_scope_block): New function.
5157         (remove_unused_locals): Enable removal of dead blocks by default;
5158         enable dumping at TDF_DETAILS.
5159
5160 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5161
5162         * config/i386/i386.c (classify_argument): Don't allow COImode
5163         and OImode.
5164         (function_arg_advance_32): Don't allow OImode.
5165         (function_arg_32): Likewise.
5166         (function_value_32): Likewise.
5167         (return_in_memory_32): Likewise.
5168         (function_arg_64): Remove OImode comment.
5169
5170 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5171
5172         PR target/39261
5173         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5174         ix86_expand_vector_set for V4DImode in 64bit mode only.
5175         (ix86_expand_vector_init_one_var): Likewise.
5176
5177 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5178
5179         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5180
5181 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5182
5183         PR bootstrap/39257
5184         * loop-iv.c: Revert last change.
5185         * emit-rtl.c: Likewise.
5186
5187 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5188
5189         PR target/39256
5190         * config/i386/i386.c (type_natural_mode): Remove an extra
5191         space in the warning message.
5192         (function_value_32): Handle 32-byte vector modes.
5193         (return_in_memory_32): Likewise.
5194
5195 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5196
5197         * loop-iv.c (truncate_value): New function.
5198         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5199         of lowpart_subreg.
5200         (lowpart_subreg): Move to...
5201         * emit-rtl.c: ...here.
5202
5203 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5204
5205         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5206         accidental and undocumented change at revision 140860.
5207
5208 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5209
5210         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5211         take gimple_seq * arguments.
5212         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5213         types_compatible_p langhook.
5214
5215 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5216             Joseph Myers  <joseph@codesourcery.com>
5217
5218         * config/arm/arm.c (arm_builtin_va_list): New function.
5219         (arm_expand_builtin_va_start): Likewise.
5220         (arm_gimplify_va_arg_expr): Likewise.
5221         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5222         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5223         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5224         (va_list_type): New variable.
5225         (arm_mangle_type): Mangle va_list_type appropriately.
5226
5227 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5228
5229         PR middle-end/39157
5230         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5231         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5232         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5233         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5234         parameter to 1000 for -O1 by default.
5235         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5236         parameter.
5237         * loop-invariant.c: Include params.h.
5238         (move_loop_invariants): Don't call move_single_loop_invariants on
5239         very large loops.
5240
5241 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5242
5243         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5244         offset when calculating bounds for indexing stack_usage_map.  Fixes
5245         a buffer overflow with certain target setups.
5246
5247 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5248
5249         PR target/39240
5250         * calls.c (expand_call): Clear try_tail_call if caller and callee
5251         disagree in promotion of function return value.
5252
5253 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5254
5255         PR target/39175
5256         * c-common.c (c_determine_visibility): If visibility changed and
5257         DECL_RTL has been already set, call make_decl_rtl to update symbol
5258         flags.
5259
5260 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5261
5262         PR c++/39188
5263         * varasm.c (assemble_variable): Don't check DECL_NAME when
5264         globalizing a variable.
5265
5266 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5267
5268         PR c/38483
5269         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5270         expression before any __builtin_trap call.
5271         * c-typeck.c (build_function_call): Convert and check function
5272         arguments before generating a call to a trap.  Evaluate the
5273         function arguments before the trap.
5274
5275 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5276
5277         PR target/39228
5278         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5279         (UNSPEC_FXAM_MEM): New unspec.
5280         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5281         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5282         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5283
5284 2009-02-19  Richard Guenther  <rguenther@suse.de>
5285
5286         PR tree-optimization/39207
5287         PR tree-optimization/39074
5288         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5289         storedanything_tree): New.
5290         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5291         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5292         (build_succ_graph): Add edges from STOREDANYTHING to all
5293         non-direct nodes.
5294         (init_base_vars): Initialize STOREDANYTHING.
5295         (compute_points_to_sets): Free substitution info after
5296         building the succ graph.
5297         (ipa_pta_execute): Likewise.
5298
5299         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5300         field.
5301         (do_ds_constraint): Do not add to special var or non-pointer
5302         field solutions.
5303         (type_could_have_pointers): Split out from ...
5304         (could_have_pointers): ... here.  For arrays use the element type.
5305         (create_variable_info_for): Initialize may_have_pointers.
5306         (new_var_info): Likewise.
5307         (handle_lhs_call): Make the HEAP variable unknown-sized.
5308         (intra_create_variable_infos): Use a type with pointers for
5309         PARM_NOALIAS, make it unknown-sized.
5310
5311 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5312
5313         PR target/39224
5314         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5315
5316 2009-02-18  Jason Merrill  <jason@redhat.com>
5317
5318         PR target/39179
5319         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5320         value if DECL_EXTERNAL.
5321         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5322         * target.h (gcc_target::binds_local_p): Clarify "module".
5323         * tree.h (TREE_PUBLIC): Clarify "module".
5324
5325 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5326
5327         PR target/38891
5328         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5329         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5330
5331 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5332
5333         PR target/39082
5334         * c.opt (Wabi): Support C and ObjC.
5335         (Wpsabi): New.
5336
5337         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5338
5339         * config/i386/i386.c (classify_argument): Warn once about the ABI
5340         change when passing union with long double.
5341
5342         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5343
5344 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5345
5346         PR c/35447
5347         * c-parser.c (c_parser_compound_statement): Always enter and leave
5348         a scope.
5349
5350 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5351
5352         PR target/34587
5353         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5354
5355 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5356
5357         PR tree-optimization/36922
5358         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5359         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5360         Likewise.
5361
5362 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5363
5364         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5365         to 0 for EABI64.
5366
5367 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5368
5369         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5370
5371 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5372
5373         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5374         tree sharing.
5375
5376 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5377             Richard Sandiford  <rdsandiford@googlemail.com>
5378
5379         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5380         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5381         (loongson_biadd): ...this.
5382
5383 2009-02-17  Richard Guenther  <rguenther@suse.de>
5384
5385         PR tree-optimization/39202
5386         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5387         a var make sure to follow existing collapses.
5388
5389 2009-02-17  Richard Guenther  <rguenther@suse.de>
5390
5391         PR middle-end/39214
5392         * langhooks.c (lhd_print_error_function): Check for NULL block.
5393
5394 2009-02-17  Richard Guenther  <rguenther@suse.de>
5395
5396         PR tree-optimization/39204
5397         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5398         of the PHI arg.
5399
5400 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5401
5402         * config/soft-fp/double.h: Update from glibc CVS.
5403
5404 2009-02-17  Richard Guenther  <rguenther@suse.de>
5405
5406         PR tree-optimization/39207
5407         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5408         strict-aliasing warnings for pointers pointing to NULL.
5409
5410 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5411
5412         PR c/35446
5413         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5414         skipping until next close brace.
5415
5416 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5417
5418         PR target/37049
5419         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5420         to function argument boundary.
5421
5422 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5423
5424         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5425         in the lea_add. Reload eventually constraints it properly.
5426         * config/picochip/constraints.md : Remove the target constraint
5427         "b", since it is not needed anymore.
5428
5429 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5430
5431         * gthr-dce.h: Uglify function parameter and local variable names.
5432         * gthr-gnat.h: Likewise.
5433         * gthr-mipssde.h: Likewise.
5434         * gthr-nks.h: Likewise.
5435         * gthr-posix95.h: Likewise.
5436         * gthr-posix.h: Likewise.
5437         * gthr-rtems.h: Likewise.
5438         * gthr-single.h: Likewise.
5439         * gthr-solaris.h: Likewise.
5440         * gthr-tpf.h: Likewise.
5441         * gthr-vxworks.h: Likewise.
5442         * gthr-win32.h: Likewise.
5443
5444 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5445
5446         PR target/39196
5447         * config/i386/i386.md: Restrict the new peephole2 to move
5448         between MMX/SSE registers.
5449
5450 2009-02-15  Richard Guenther  <rguenther@suse.de>
5451
5452         Revert
5453         2009-02-13  Richard Guenther  <rguenther@suse.de>
5454
5455         * configure.ac: Enable LFS.
5456         * configure: Re-generate.
5457         * config.in: Likewise.
5458
5459 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5460
5461         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5462         spu_srqwbyte, spu_srqwbytebc): Define.
5463         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5464         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5465         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5466         "shrqby_<mode>"): New insn-and-split patterns.
5467         * config/spu/spu.c (expand_builtin_args): Determine and return
5468         number of operands using spu_builtin_description data.
5469         (spu_expand_builtin_1): Use it.
5470
5471 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5472
5473         PR target/38056
5474         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5475         TARGET_CONST_GP.
5476
5477 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5478
5479         PR target/39149
5480         * config/i386/i386.c (override_options): Correct warning
5481         messages for -malign-loops, -malign-jumps and -malign-functions.
5482
5483 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5484
5485         PR target/39152
5486         * config/i386/i386.md: Restrict the new peephole2 to move
5487         between the general purpose registers.
5488
5489 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5490
5491         PR target/39162
5492         * config/i386/i386.c (type_natural_mode): Add a new argument.
5493         Return the original mode and warn ABI change if vector size is 32byte.
5494         (function_arg_advance): Updated.
5495         (function_arg): Likewise.
5496         (ix86_function_value): Likewise.
5497         (ix86_return_in_memory): Likewise.
5498         (ix86_sol10_return_in_memory): Likewise.
5499         (ix86_gimplify_va_arg): Likewise.
5500         (function_arg_32): Don't warn ABX ABI change here.
5501         (function_arg_64): Likewise.
5502
5503 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5504
5505         * loop-iv.c (implies_p): In the final case, test that operands 0
5506         of the two comparisons match.
5507
5508         * config/bfin/bfin.c (find_prev_insn_start): New function.
5509         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5510         (find_next_insn_start): Move.
5511
5512 2009-02-13  Richard Guenther  <rguenther@suse.de>
5513
5514         * configure.ac: Enable LFS.
5515         * configure: Re-generate.
5516         * config.in: Likewise.
5517
5518 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5519
5520         PR c/35444
5521         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5522         sizes on syntax error after some arguments have been parsed.
5523
5524 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5525
5526         * doc/invoke.texi (-fira): Remove.
5527
5528 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5529
5530         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5531         * recog.c: Likewise.
5532         * rtl.h: Likewise.
5533
5534 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5535
5536         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5537         (umul_ppmm): Likewise.
5538         (count_leading_zeros): Likewise.
5539         (count_trailing_zeros): Likewise.
5540         (UMUL_TIME): Likewise.
5541
5542 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5543
5544         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5545         soft-fp/t-softfp to tmake_file.
5546
5547         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5548         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5549         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5550         IA64_BUILTIN_INFQ]: New.
5551         (ia64_init_builtins): Initialize __builtin_infq,
5552         __builtin_fabsq and __builtin_copysignq if not HPUX.
5553         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5554         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5555
5556         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5557         SHARED is defined.
5558         (__fixtfti): Likewise.
5559         (__fixunstfti): Likewise.
5560         (__floattitf): Likewise.
5561
5562         * config/ia64/libgcc-glibc.ver: New.
5563         * config/ia64/t-fprules-softfp: Likewise.
5564         * config/ia64/sfp-machine.h: Likewise.
5565
5566         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5567         (LIBGCC2_TF_CEXT): Likewise.
5568         (TF_SIZE): Likewise.
5569         (TARGET_INIT_LIBFUNCS): Likewise.
5570
5571         * config/ia64/t-glibc (SHLINB_MAPFILES):
5572         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5573
5574 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5575
5576         * config/i386/i386.c (construct_container): Rewrite processing
5577         BLKmode with X86_64_SSE_CLASS.
5578
5579 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5580
5581         PR target/39152
5582         * config/i386/i386.md: Replace simplify_replace_rtx with
5583         replace_rtx in the new peephole2.
5584
5585 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5586
5587         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5588         loop unrolling do not happen at -O2.
5589
5590 2009-02-12  Michael Matz  <matz@suse.de>
5591
5592         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5593
5594 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5595
5596         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5597         for -g3.
5598
5599 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5600
5601         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5602         patterns when updating the back chain.  Missed in the 2009-02-10
5603         change.
5604
5605 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5606
5607         * doc/extend.texi (Decimal Floating Types): Update identifier of
5608         draft TR and list of missing support.
5609
5610 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5611
5612         PR middle-end/39154
5613         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5614         bit to variable length decl's flags, add it also to its
5615         pointer replacement variable.
5616
5617 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5618             Jakub Jelinek  <jakub@redhat.com>
5619
5620         PR target/39118
5621         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5622         (memory_blockage): New expander.
5623         (*memory_blockage): New insn pattern.
5624         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5625         instead of general blockage at the end of function prologue when
5626         frame pointer is used to access red zone area.  Do not emit blockage
5627         when profiling, it is emitted in generic code.
5628         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5629         function epilogue when frame pointer is used to access red zone area.
5630
5631 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5632
5633         PR target/38824
5634         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5635         by arithmetic with memory operands.
5636         * config/i386/predicates.md (commutative_operator): New.
5637
5638 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5639
5640         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5641         bulleted lists.
5642
5643 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5644
5645         * alias.h (record_alias_subset): Declare.
5646         * alias.c (record_alias_subset): Make global.
5647
5648 2009-02-10  Nick Clifton  <nickc@redhat.com>
5649
5650         * tree-parloops.c: Change license to GPLv3.
5651         * ipa-struct-reorg.c: Change license to GPLv3.
5652         * ipa-struct-reorg.h: Change license to GPLv3.
5653
5654 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5655
5656         PR c/39084
5657         * c-decl.c (start_struct): Return NULL on error.
5658
5659 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5660
5661         PR middle-end/39124
5662         * cfgloopmanip.c (remove_path): Call remove_bbs after
5663         cancel_loop_tree, not before it.
5664
5665         PR target/39139
5666         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5667         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5668         VAR_DECLs were seen.
5669         * tree-ssa-live.c (remove_unused_locals): Recompute
5670         cfun->has_local_explicit_reg_vars.
5671         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5672         copies or clearings if cfun->has_local_explicit_reg_vars.
5673
5674 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5675
5676         PR target/39118
5677         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5678         of function prologue when frame pointer is used to access
5679         red zone area.
5680
5681 2009-02-10  Richard Guenther  <rguenther@suse.de>
5682
5683         PR middle-end/39127
5684         * gimplify.c (gimple_regimplify_operands): Always look if
5685         we need to create a temporary.
5686
5687 2009-02-10  Richard Guenther  <rguenther@suse.de>
5688
5689         PR tree-optimization/39132
5690         * tree-loop-distribution.c (todo): New global var.
5691         (generate_memset_zero): Trigger TODO_rebuild_alias.
5692         (tree_loop_distribution): Return todo.
5693
5694 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5695
5696         PR target/39119
5697         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5698         (x86_64_reg_class_name): Removed.
5699         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5700         first one isn't X86_64_SSE_CLASS or any other ones aren't
5701         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5702         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5703         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5704         and 3 X86_64_SSEUP_CLASS.
5705         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5706         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5707
5708 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5709
5710         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5711         form instruction to update the stack back chain word, even if the
5712         user has disabled the generation of update instructions.
5713         (movdi_<mode>_update_stack): New.
5714         (movsi_update_stack): Likewise.
5715         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5716         always use an update form instruction to update the stack back
5717         chain word.
5718
5719 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5720
5721         PR middle-end/38953
5722         * graphite.c (if_region_set_false_region): After moving a region in
5723         the false branch of a condition, remove the empty dummy basic block.
5724         (gloog): Remove wrong fix for PR38953.
5725
5726 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5727
5728         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5729         generation due to implicit sign extension.
5730
5731 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5732
5733         PR middle-end/38981
5734         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5735         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5736
5737 2009-02-09  Richard Guenther  <rguenther@suse.de>
5738
5739         PR middle-end/35202
5740         * convert.c (convert_to_real): Disable (float)fn((double)x)
5741         to fnf(x) conversion if errno differences may occur and
5742         -fmath-errno is set.
5743
5744 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5745
5746         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5747         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5748         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5749
5750 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5751
5752         PR c/35434
5753         * c-common.c (handle_alias_attribute): Disallow attribute for
5754         anything not a FUNCTION_DECL or VAR_DECL.
5755
5756 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5757
5758         PR c/39035
5759         * real.c (do_compare): Special-case compare of zero against
5760         decimal float value.
5761
5762 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5763
5764         PR c/36432
5765         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5766         as indicating flexible array members unless the field itself is
5767         being declarared as the incomplete array.
5768
5769 2009-02-06  Jan Hubicka  <jh@suse.cz>
5770
5771         PR tree-optimization/38844
5772         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5773         is already inlined.
5774
5775 2009-02-06  Richard Guenther  <rguenther@suse.de>
5776
5777         PR middle-end/38977
5778         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5779         fork because we may expand it as __gcov_fork.
5780
5781 2009-02-06  Nick Clifton  <nickc@redhat.com>
5782
5783         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5784
5785 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5786
5787         PR tree-optimization/35659
5788         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5789         vn_phi_eq): Shortcut if hashcode does not match.
5790         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5791         NULL operands.
5792         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5793         and avoid iterative_hash_expr.
5794         (FOR_EACH_VALUE_ID_IN_SET): New.
5795         (value_id_compare): Remove.
5796         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5797         sort expressions by value id.
5798
5799 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5800
5801         PR target/38991
5802         * config/sh/predicates.md (general_movsrc_operand): Don't check
5803         the subreg of system registers here.
5804
5805 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5806
5807         PR c++/39106
5808         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5809         on the copied decl.
5810
5811 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5812
5813         PR rtl-optimization/39110
5814         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5815         addresses, not aligned ones.
5816
5817 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5818             Richard Guenther  <rguenther@suse.de>
5819
5820         PR tree-optimization/39100
5821         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5822         comment says and add edges.
5823
5824 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5825
5826         PR c/35435
5827         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5828         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5829
5830 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5831
5832         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5833         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5834         register_bb_in_sese, new_sese, free_sese): Moved.
5835         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5836         outermost_loop_in_scop, build_scop_iteration_domain,
5837         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5838         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5839         Use loop_in_sese_p instead of loop_in_scop_p.
5840         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5841         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5842         (scopdet_basic_block_info): Fix bug in scop detection.
5843         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5844         eq_loop_to_cloog_loop): Remove.
5845         (nb_loops_around_loop_in_scop, nb_loop
5846         ref_nb_loops): Moved here...
5847         * graphite.h (ref_nb_loops): ... from here.
5848         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5849         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5850         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5851         * testsuite/gcc.dg/graphite/scop-19.c: New
5852
5853 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5854             Hans-Peter Nilsson  <hp@axis.com>
5855
5856         PR rtl-optimization/37889
5857         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5858         Move offset handling from PLUS to before the switch.  Use new
5859         arguments when considering SYMBOL_REFs too.
5860         (rtx_addr_can_trap_p): Pass dummy offset and size.
5861         (enum may_trap_p_flags): Remove.
5862         (may_trap_p_1): Pass size from MEM_SIZE.
5863
5864         PR rtl-optimization/38921
5865         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5866         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5867         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5868         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5869
5870 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5871
5872         AVX Programming Reference (January, 2009)
5873         * config/i386/sse.md (*vpclmulqdq): New.
5874
5875 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5876
5877         PR tree-optimization/38977
5878         PR gcov-profile/38292
5879         * calls.c (special_function_p): Disregard __builtin_ prefix.
5880
5881 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5882
5883         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5884         non-indexable addresses even before reload.
5885
5886 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5887
5888         PR c/29129
5889         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5890         as having variable size.  Do not give an error for unnamed
5891         parameters with [*] declarators.  Give a warning for type names
5892         with [*] declarators and mark them as variable size.
5893         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5894         for sizeof applied to [*] type names.
5895
5896 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5897
5898         PR C++/36607
5899         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5900
5901 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5902
5903         * gcc.c (process_command): Update copyright notice dates.
5904         * gcov.c (print_version): Likewise.
5905         * gcov-dump.c (print_version): Likewise.
5906         * mips-tfile.c (main): Likewise.
5907         * mips-tdump.c (main): Likewise.
5908
5909 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5910
5911         PR c/35433
5912         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5913         for composite type involving a zero-length array type.
5914
5915 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5916
5917         PR target/35318
5918         * function.c (match_asm_constraints_1): Skip over
5919         initial optional % in the constraint.
5920
5921         PR inline-asm/39059
5922         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5923         supported, don't accept FIXED_CSTs.
5924         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5925         and _Sat is used without _Fract/_Accum.  Set specs->type to
5926         integer_type_node for cts_fract/cts_accum if fixed point is not
5927         supported.
5928
5929 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5930
5931         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5932
5933 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5934
5935         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5936         (ABI_HAS_64BIT_SYMBOLS): Use it.
5937         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5938
5939 2009-02-02  Paul Brook  <paul@codesourcery.com>
5940
5941         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5942
5943 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5944
5945         PR inline-asm/39058
5946         * recog.h (asm_operand_ok): Add constraints argument.
5947         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5948         recurse on matching constraint.
5949         (check_asm_operands): Pass constraints as 3rd argument to
5950         asm_operand_ok.  Don't look up matching constraint here.
5951         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5952         to asm_operand_ok.
5953
5954 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5955
5956         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5957         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5958
5959 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5960
5961         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5962         information.  Remove some obsolete information.  Reorganize.
5963
5964         * config/pa/fptr.c: Revert license to GPL 2.
5965         * config/pa/milli64.S: Likewise.
5966
5967 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5968
5969         PR target/38904
5970         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5971         LIBRARY name in, instead of hard-coding it.
5972         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5973         extra target make frag to tmake_files according to EH model.
5974         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5975         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5976         frags that define makefile variable EH_MODEL appropriately.
5977         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5978         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5979         to "-sjlj" according to type of EH configured.
5980         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5981         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5982         to "_sjlj" according to type of EH configured.
5983         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5984         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5985         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5986         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5987         string value of "pe_dll" command-line option.
5988         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5989         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5990         (SHLIB_IMPLIB):  Override t-cygming default.
5991         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5992         string value of "pe_dll" command-line option.
5993
5994 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5995
5996         PR target/38952
5997         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5998         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5999
6000 2009-01-31  Richard Guenther  <rguenther@suse.de>
6001
6002         PR tree-optimization/38937
6003         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
6004         computing the transitive closure.
6005
6006 2009-01-30  Richard Guenther  <rguenther@suse.de>
6007
6008         PR tree-optimization/39041
6009         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
6010         Propagate variable indices only if the types match for this stmt.
6011
6012 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
6013
6014         PR target/39013
6015         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
6016         inline but never defined.
6017
6018 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
6019
6020         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
6021         (*insv_h_di_reg_extimm): New insn.
6022         (*insv_l<mode>_reg_extimm): New insn.
6023
6024 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
6025
6026         * config/picochip/picochip.c (flag_conserve_stack): set
6027         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
6028         fconserve-stack. Reduce call-overhead used by inliner.
6029
6030 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
6031
6032         PR/38157
6033         * common.opt (flag_conserve_stack): Initialised to zero.
6034
6035 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
6036
6037         PR/39002
6038         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
6039         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
6040         method.
6041
6042 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6043
6044         * ira-color.c (allocno_reload_assign): Update comments.
6045         * regmove.c (regmove_optimize): Likewise.
6046
6047         * ra.h: Removed.
6048
6049 2009-01-29  Robert Millan  <rmh@aybabtu.com>
6050
6051         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
6052         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
6053         `MD_UNWIND_SUPPORT'.
6054         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
6055
6056 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
6057
6058         PR tree-optimization/39007
6059         * tree-loop-distribution.c (generate_builtin): Use
6060         recompute_dominator to compute the immediate dominator of the
6061         basic block just after the loop.
6062
6063 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6064
6065         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
6066         (ASM_OUTPUT_DWARF_PCREL): Define.
6067
6068 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
6069
6070         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
6071         * doc/passes.texi: Remove entries about regclass, local-alloc, and
6072         global.  Modify entries about regmove and IRA.
6073
6074         * ra-conflict.c: Remove the file.
6075
6076         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
6077
6078         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
6079         (pass_regclass_init): Rename to pass_reginfo_init.
6080
6081         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
6082
6083         * toplev.h (flag_ira): Remove.
6084
6085         * caller-save.c (setup_save_areas): Remove flag_ira.
6086
6087         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
6088
6089         * global.c: Remove the file.
6090
6091         * opts.c (decode_options): Remove flag_ira.
6092
6093         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
6094
6095         * regmove.c: Modify file description.
6096         (find_use_as_address, try_auto_increment): Define them only if
6097         AUTO_INC_DEC is defined.
6098         (replacement_quality, replace_in_call_usage, fixup_match_1,
6099         stable_and_no_regs_but_for_p): Remove.
6100         (reg_set_in_bb): Make it static.
6101         (regmove_optimize): Remove flag_ira and code which worked for
6102         !flag_ira.
6103
6104         * local-alloc.c: Remove the file.
6105
6106         * common.opt (fira): Remove.
6107
6108         * ira.c: Include except.h.
6109         (eliminable_regset): Move from global.c.
6110         (mark_elimination): Ditto.  Remove flag_ira.
6111         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
6112         equiv_mem_modified, validate_equiv_mem_from_store,
6113         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
6114         contains_replace_regs, memref_referenced_p, memref_used_between_p,
6115         no_equiv, recorded_label_ref): Move from local-alloc.c.
6116         (update_equiv_regs): Ditto.  Make it static.
6117         (print_insn_chain, print_insn_chains): Move it from global.c.
6118         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
6119         (build_insn_chain): Ditto.  Make it static.
6120         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
6121         Rename to init_live_subregs.
6122         (gate_ira): Remove flag_ira.
6123
6124         * regclass.c: Rename reginfo.c.  Change file description.
6125         (FORBIDDEN_INC_DEC_CLASSES): Remove.
6126         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
6127         (init_reg_sets_1): Remove code for evaluation of
6128         reg_class_superclasses and losing_caller_save_reg_set.
6129         (init_regs): Remove init_reg_autoinc.
6130         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
6131         ok_for_base_p_nonstrict): Remove.
6132         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
6133         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
6134         corresponding entries.
6135         (dump_regclass, record_operand_costs, scan_one_insn,
6136         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6137         record_address_regs, auto_inc_dec_reg_p): Remove.
6138         (gt-regclass.h): Rename to gt-reginfo.h.
6139
6140         * rtl.h (dump_global_regs, retry_global_alloc,
6141         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6142
6143         * Makefile.in (RA_H): Remove.
6144         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6145         Rename regclass.o to reginfo.o.
6146         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6147         gt-reginfo.h.
6148         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6149         (GTFILES): Rename regclass.c to reginfo.c.
6150
6151         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6152         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6153
6154         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6155         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6156         Remove flag_ira.
6157         (finish_spills): Ditto.  Remove code for !flag_ira.
6158         
6159 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6160
6161         PR middle-end/35854
6162         * doc/invoke.texi (rtl debug options): Complete rewrite.
6163         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6164         to auto_inc_dec".
6165         * mode-switching.c (pass_mode_switching): Rename pass from
6166         "mode-sw" to "mode_sw".
6167         * except.c (pass_convert_to_eh_ranges): Rename pass from
6168         "eh-ranges" to "eh_ranges".
6169         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6170         to "subreg1".
6171                 
6172         
6173 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6174             Alexander Monakov  <amonakov@ispras.ru>
6175
6176         PR middle-end/38857
6177         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6178         register.
6179         (move_exprs_to_boundary): Change return type and pass through
6180         should_move from move_op.  Relax assert.  Update usage ...
6181         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6182         cant_move.
6183         (move_op_orig_expr_found): Indicate that insn was disconnected from
6184         stream.
6185         (code_motion_process_successors): Do not call after_merge_succs
6186         callback if original expression was not found when traversing any of
6187         the branches.
6188         (code_motion_path_driver): Change return type.  Update prototype.
6189         (move_op): Update comment.  Add a new parameter (should_move).  Update
6190         prototype.  Set *should_move based on indication provided by
6191         move_op_orig_expr_found.
6192
6193 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6194
6195         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6196         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6197         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6198         * config/rs6000/rs6000.c (rs6000_override_options): Default
6199         avoid-indexed-addresses on for Power6, off for everything else.
6200         (avoiding_indexed_address_p): New function.
6201         (rs6000_legitimize_address): Use it.
6202         (rs6000_legitimate_address): Likewise.
6203         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6204
6205 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6206
6207         PR tree-optimization/38997
6208         * tree-loop-distribution.c (generate_memset_zero): Use
6209         POINTER_PLUS_EXPR for a pointer addition.
6210
6211 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6212
6213         * config/s390/s390.md (bswap<mode>2): New pattern added.
6214
6215 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6216
6217         * config/s390/s390.md (*tls_load_31): Added type attribute.
6218
6219 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6220
6221         * config/s390/s390.md: Fix a few comments.
6222
6223 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6224
6225         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6226         (*tm<mode>_full): Fixed z10prop attribute.
6227         (*tst<mode>_extimm): Fixed z10prop attribute.
6228         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6229         (*tstqiCCT_cconly): Fixed z10prop attribute.
6230         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6231         (*movsi_larl): Fixed z10prop attribute.
6232         (*movsi_zarch): Fixed z10prop attribute.
6233         (*movsi_eas): Fixed z10prop attribute.
6234         (*movhi): Fixed z10prop attribute.
6235         (*movqi): Fixed z10prop attribute.
6236         (*movstrictqi): Fixed z10prop attribute.
6237         (*mov<mode>): Fixed z10prop attribute.
6238         (*movcc): Fixed z10prop attribute.
6239         (*sethighpartdi_64): Fixed z10prop attribute.
6240         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6241         (*negdi2_sign_cc): Fixed z10prop attribute.
6242         (*negdi2_sign): Fixed z10prop attribute.
6243         (*absdi2_sign_cc): Fixed z10prop attribute.
6244         (*absdi2_sign): Fixed z10prop attribute.
6245         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6246         (*negabsdi2_sign): Fixed z10prop attribute.
6247         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6248         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6249         (doloop_si64): Fixed z10prop attribute.
6250         (doloop_si31): Fixed z10prop attribute.
6251         (doloop_long): Fixed z10prop attribute.
6252         (indirect_jump): Fixed z10prop attribute.
6253         (nop): Fixed z10prop attribute.
6254         (main_base_64): Fixed z10prop attribute.
6255         (reload_base_64): Fixed z10prop attribute.
6256
6257 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6258
6259         PR rtl-optimization/38740
6260         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6261         if !optimize.
6262         * config/mips/mips.c (mips_reorg): Likewise.
6263
6264 2009-01-28  Richard Guenther  <rguenther@suse.de>
6265
6266         PR tree-optimization/38926
6267         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6268         with the correct value id to a value.
6269         (do_regular_insertion): Use the value number of edoubleprime
6270         for the value number of the expr.
6271
6272         Revert
6273         2008-08-21  Richard Guenther  <rguenther@suse.de>
6274
6275         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6276         a PHI ask VN if it is already available.
6277         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6278         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6279
6280 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6281
6282         PR middle-end/38934
6283         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6284         set to varying whenever max has TREE_OVERFLOW set, similarly
6285         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6286
6287 2009-01-28  Richard Guenther  <rguenther@suse.de>
6288
6289         PR middle-end/38908
6290         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6291         uninitialized aggregate uses in call arguments.
6292
6293 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6294
6295         PR tree-optimization/38984
6296         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6297         the nothing_id variable if -fno-delete-null-pointer-checks.
6298
6299 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6300
6301         PR target/38988
6302         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6303         (set_got_offset_rex64): Ditto.
6304
6305 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6306
6307         PR target/38941
6308         * doc/extend.texi: Improve local variable with asm reg.
6309
6310 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6311
6312         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6313         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6314         was not supplied then set warn_packed_bitfield_compat to the
6315         default value of 1.
6316         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6317         against 1.
6318
6319 2009-01-27  Richard Guenther  <rguenther@suse.de>
6320
6321         PR tree-optimization/38503
6322         * cfgexpand.c (expand_gimple_basic_block): Ignore
6323         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6324         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6325         variables that cannot have TBAA applied.
6326         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6327         statements.
6328
6329 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6330
6331         PR middle-end/38969
6332         * calls.c (initialize_argument_information): Do not wrap complex
6333         arguments in SAVE_EXPR.
6334
6335 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6336
6337         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6338         (INSTALL_LIBGCC): Revert typo commit.
6339
6340 2009-01-26  Richard Guenther  <rguenther@suse.de>
6341
6342         PR tree-optimization/38745
6343         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6344         from special handling.
6345
6346 2009-01-26  Richard Guenther  <rguenther@suse.de>
6347
6348         PR tree-optimization/38745
6349         * tree-ssa.c (execute_update_addresses_taken): Do not include
6350         variables that cannot possibly be a register in not_reg_needs.
6351         Do not clear TREE_ADDRESSABLE on vars that may not become
6352         registers.
6353         * tree-ssa.c (update_alias_info_1): Include those in the set
6354         of addressable vars.
6355
6356 2009-01-26  Richard Guenther  <rguenther@suse.de>
6357
6358         PR middle-end/38851
6359         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6360         * tree-ssa-dse.c: Include langhooks.h
6361         (execute_simple_dse): Remove stores with zero size.
6362
6363 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6364
6365         PR c/38957
6366         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6367         as PLUS_EXPR.
6368
6369 2009-01-24  Julian Brown  <julian@codesourcery.com>
6370
6371         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6372         config/arm/linux-atomic.c.
6373         * config/arm/linux-atomic.c: New.
6374
6375 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6376
6377         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6378         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6379         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6380
6381 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6382
6383         PR c/38938
6384         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6385         properly.
6386
6387 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6388
6389         PR tree-optimization/38953
6390         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6391         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6392         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6393         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6394         changed the CFG.
6395
6396 2009-01-24  Paul Brook  <paul@codesourcery.com>
6397
6398         * config/arm/neon.md (neon_type): Move to arm.md.
6399         (neon_mov<VSTRUCT>): Add neon_type attribute.
6400         * config/arm/arm.md (neon_type): Move to here.
6401         (conds): Add "unconditioal" and use as default for NEON insns.
6402
6403 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6404
6405         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6406         void *' warning from -Wc++-compat.
6407         * Makefile.in (dominance.o-warn): Remove.
6408
6409 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6410
6411         PR tree-optimization/38932
6412         * fold-const.c (fold_unary_ignore_overflow): New.
6413         * tree.h (fold_unary_ignore_overflow): Declare.
6414         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6415         * tree-ssa-sccvn.c (visit_reference_op_load,
6416         simplify_unary_expression): Likewise.
6417
6418 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6419
6420         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6421         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6422         regardless of their type.
6423         * c-common.c (handle_packed_attribute): Don't ignore packed on
6424         bitfields.
6425         * c.opt (Wpacked-bitfield-compat): New warning option.
6426         * stor-layout.c (place_field): Warn if offset of a field changed.
6427         * doc/extend.texi (packed): Mention the ABI change.
6428         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6429         (Warning Options): Add it to the list.
6430
6431 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6432
6433         * c-opts.c (c_common_post_options): Fix a typo in comments.
6434
6435 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6436
6437         PR middle-end/38615
6438         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6439         variables to static.
6440         * doc/invoke.texi (-fmerge-all-constants): Update description.
6441
6442 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6443
6444         PR target/38931
6445         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6446         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6447
6448 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6449
6450         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6451         a word boundary.
6452         (LOCAL_ALIGNMENT): Similarly.
6453
6454 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6455             Joseph Myers  <joseph@codesourcery.com>
6456
6457         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6458         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6459         * config/arm/arm-tune.md: Regenerate.
6460         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6461         -march=iwmmxt2.
6462
6463 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6464
6465         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6466         version number to five.
6467
6468 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6469
6470         PR c++/38930
6471         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6472         * c-common.c (set_underlying_type): Likewise.
6473         (is_typedef_decl ): Likewise
6474         * tree.h: Likewise
6475         (set_underlying_type): Likewise.
6476         (is_typedef_type): Likewise.
6477
6478 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6479
6480         PR middle-end/38587
6481         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6482         crossing setjmps.
6483
6484 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6485
6486         PR bootstrap/37660
6487         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6488         (LIBGCC_SPEC):  Don't define.
6489         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6490
6491 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6492
6493         PR rtl-optimization/38879
6494         * alias.c (base_alias_check): Unaligned access via AND address can
6495         alias all surrounding object types except those with sizes equal
6496         or wider than the size of unaligned access.
6497
6498 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6499
6500         PR c++/26693
6501         * c-decl.c (clone_underlying_type): Move this ...
6502         * c-common.c (set_underlying_type): ... here.
6503         Also, make sure the function properly sets TYPE_STUB_DECL() on
6504         the newly created typedef variant type.
6505         (is_typedef_decl ): New entry point.
6506         * tree.h: Added a new member member_types_needing_access_check to
6507         struct tree_decl_non_common.
6508         (set_underlying_type): New entry point.
6509         (is_typedef_type): Likewise.
6510
6511 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6512
6513         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6514         Check whether two instructions have memory references that
6515         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6516         are helper functions for traversing.
6517         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6518         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6519         not to draw dependency edge for instructions with non-conflicting
6520         alias sets.
6521
6522 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6523
6524         PR other/38758
6525         * longlong.h: Update copyright years.  Use soft-fp license notice.
6526         Sync __clz_tab declaration with glibc.
6527
6528 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6529
6530         PR target/30687
6531         * doc/extend.texi (syscall_linkage): New.
6532         (version_id): Modify.
6533
6534 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6535             Richard Guenther  <rguenther@suse.de>
6536
6537         PR tree-optimization/38747
6538         PR tree-optimization/38748
6539         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6540         conversion if the base address is an indirect reference and the
6541         aliasing sets could cause issues.
6542
6543 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6544
6545         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6546         explaining why these options are not documented.
6547
6548 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6549
6550         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6551         gimple_call_lhs is NULL.
6552
6553 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6554
6555         PR target/38868
6556         * emit-rtl.c (adjust_address_1): Make sure memref is never
6557         overwritten.
6558
6559 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6560
6561         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6562         const qualifier from arg parameter. Remove unnecessary cast to char *.
6563         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6564         const qualifier from arg 2.
6565
6566 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6567
6568         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6569
6570 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6571
6572         PR c/38869
6573         * rtl.h (reinit_regs): New prototype.
6574         * regclass.c: Include ira.h.
6575         (reinit_regs): New.
6576         * Makefile.in (regclass.o): Add ira.h.
6577         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6578
6579 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6580
6581         PR target/38736
6582         * c-common.c (handle_aligned_attribute): Use
6583         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6584         default alignment value.
6585
6586         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6587
6588         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6589         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6590
6591         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6592         __BIGGEST_ALIGNMENT__.
6593
6594         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6595
6596 2009-01-18  Richard Guenther  <rguenther@suse.de>
6597
6598         PR tree-optimization/38819
6599         * tree-flow.h (operation_could_trap_helper_p): Declare.
6600         * tree-eh.c (operation_could_trap_helper_p): Export.
6601         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6602         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6603         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6604         are about to insert a possibly trapping instruction and fail
6605         in this case.
6606
6607 2009-01-18  Andreas Schwab  <schwab@suse.de>
6608
6609         * doc/install.texi (Configuration): Remove obsolete paragraph
6610         about use of --with-gnu-ld with --with-gnu-as.
6611
6612 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6613
6614         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6615         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6616         Follow spelling conventions.
6617
6618 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6619
6620         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6621         C++ warning about implicit conversion from void * to struct
6622         bitmap_head_def *.
6623         (bitmap_obstack_free): Likewise for bitmap_element *.
6624         * Makefile.in (bitmap.o-warn): Remove.
6625
6626 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6627
6628         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6629
6630 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6631             Tobias Grosser  <tobi.grosser@amd.com>
6632
6633         * graphite.c (graphite_trans_scop_block): Do not block single
6634         nested loops.
6635
6636 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6637
6638         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6639         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6640         test with assertion.
6641
6642 2009-01-16  Richard Guenther  <rguenther@suse.de>
6643
6644         PR tree-optimization/38835
6645         PR middle-end/36227
6646         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6647         and INT + PTR -> (INT)(PTR p+ INT) folding.
6648         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6649
6650 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6651
6652         PR target/38554
6653         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6654         the subreg from a lowpart subreg if it is also casting the value.
6655
6656 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6657             Tobias Grosser  <tobi.grosser@amd.com>
6658
6659         * graphite.c (compare_prefix_loops): New.
6660         (build_scop_canonical_schedules): Rewritten.
6661         (graphite_transform_loops): Move build_scop_canonical_schedules
6662         after build_scop_iteration_domain.
6663
6664 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6665             Tobias Grosser  <tobi.grosser@amd.com>
6666
6667         * graphite.c (add_conditions_to_domain): Add the loops to 
6668         the dimension of the iteration domain.  Do copy the domain
6669         only when it exists.
6670         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6671         (add_conditions_to_constraints): New.
6672         (can_generate_code_stmt, can_generate_code): Removed.
6673         (gloog): Do not call can_generate_code.
6674         (graphite_transform_loops): Call add_conditions_to_constraints
6675         after building the iteration domain.
6676
6677 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6678
6679         PR tree-optimization/38789
6680         * tree-ssa-threadedge.c
6681         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6682         __builtin_constant_p.
6683
6684 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6685
6686         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6687         examined before deleting them.
6688         
6689 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6690
6691         * function.c (aggregate_value_p): Correctly extract the function
6692         type from CALL_EXPR_FN lookup.
6693
6694 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6695
6696         * config/picochip/picochip.c (picochip_override_options): Revert
6697         CFI asm flag disable commited previously.
6698
6699 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6700             Tobias Grosser  <tobi.grosser@amd.com>
6701             Jan Sjodin  <jan.sjodin@amd.com>
6702
6703         * graphite.c (scan_tree_for_params): On substractions negate
6704         all the coefficients of the term.
6705         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6706         of more than two operands.
6707         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6708         (get_vdef_before_scop): Handle also the case of default definitions.
6709
6710 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6711
6712         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6713         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6714         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6715
6716 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6717             Joey Ye  <joey.ye@intel.com>
6718
6719         PR middle-end/37843
6720         * cfgexpand.c (expand_stack_alignment): Don't update stack
6721         boundary nor check incoming stack boundary here.
6722         (gimple_expand_cfg): Update stack boundary and check incoming
6723         stack boundary here.
6724
6725 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6726
6727         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6728         
6729 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6730
6731         PR rtl-optimization/38245
6732         * calls.c (expand_call): Add stack arguments to
6733         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6734         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6735         in regs and partially in memory or BLKmode arguments.
6736         (emit_library_call_value_1): Add stack arguments to
6737         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6738         ACCUMULATE_OUTGOING_ARGS).
6739         * dce.c: Include tm_p.h.
6740         (find_call_stack_args): New function.
6741         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6742         argument.
6743         (mark_insn): Call find_call_stack_args for CALL_Ps.
6744         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6745         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6746         down to deletable_insn_p, don't mark stores set in arg_stores
6747         bitmap, clear the bitmap at the beginning of each bb.
6748         * Makefile.in (dce.o): Depend on $(TM_P_H).
6749
6750 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6751
6752         PR target/22599
6753         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6754         to make sure the insn is a conditional test (bug 22599).  Reformat a
6755         few long lines.
6756
6757 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6758
6759         PR middle-end/38431
6760         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6761         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6762         (gloog): Do not call cleanup_tree_cfg.
6763         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6764         scops have been code generated.
6765
6766 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6767         * doc/gty.texi (Invoking the garbage collector): Added new node
6768         and section documenting ggc_collect.
6769
6770 2009-01-14  Richard Guenther  <rguenther@suse.de>
6771
6772         PR tree-optimization/38826
6773         PR middle-end/38477
6774         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6775         initialization notes only if we actually emitted a warning.
6776         (intra_create_variable_infos): Add constraints for a result decl
6777         that is passed by hidden reference.
6778         (build_pred_graph): Mark all related variables non-direct on
6779         address-taking.
6780
6781 2009-01-14  Nick Clifton  <nickc@redhat.com>
6782
6783         * ira-conflicts.c: Include addresses.h for the definition of
6784         base_reg_class.
6785         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6786         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6787
6788 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6789
6790         PR target/38811
6791         * Makefile.in (ira-lives.o): Add except.h.
6792
6793         * ira-lives.c: Include except.h.
6794         (process_bb_node_lives): Process can_throw_internal.
6795
6796 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6797
6798         PR rtl-optimization/38774
6799         * combine.c (simplify_set): When undoing cc_use change, don't do
6800         PUT_CODE on the newly created comparison, but instead put back the
6801         old comparison.
6802
6803 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6804
6805         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6806         values.  Remove duplicate arm8 entry.
6807
6808 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6809
6810         PR tree-optimization/38786
6811         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6812         the SSA_NAME case of expand_scalar_variables_expr.
6813         Set the type of an expression to the type of its assign statement.
6814         (expand_scalar_variables_expr): Also gather the scalar computation
6815         used to index the memory access.  Do not pass loop_p.
6816         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6817         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6818         the gimple_stmt_iterator where it inserts new code.
6819         Do not pass loop_p.
6820         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6821         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6822
6823 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6824
6825         * graphite.h (debug_value): Removed.
6826         * graphite.c (debug_value): Removed.
6827
6828 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6829
6830         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6831         ldrd/strd with two 32-bit instructions.
6832
6833 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6834
6835         * config/arm/arm.c (struct processors): Pass for speed down into
6836         cost helper functions.
6837         (const_ok_for_op): Handle COMPARE and inequality nodes.
6838         (arm_rtx_costs_1): Rewrite.
6839         (arm_size_rtx_costs): Update prototype.
6840         (arm_rtx_costs): Pass speed down to helper functions.
6841         (arm_slowmul_rtx_costs): Rework cost calculations.
6842         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6843         (arm_9e_rtx_costs): Likewise.
6844
6845 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6846
6847         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6848         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6849         (alpha_legitimize_address): Do not split local symbols wider than
6850         UNITS_PER_WORD into HIGH/LO_SUM parts.
6851
6852 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6853
6854         PR bootstrap/38580
6855         * gcc.c (process_command): Replace call to execvp with calls
6856         to pex_one and exit.
6857
6858 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6859
6860         PR target/29141
6861         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6862         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6863         variant for devices with 3-byte PC.
6864         (__tablejump_elpm__): New.
6865
6866 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6867
6868         PR c/32041
6869         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6870         offsetof member-designator, handle it as `[0].'.
6871
6872 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6873
6874         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6875         function when not using named sections on targets with named sections
6876         if branch distance is less than 262132.
6877
6878 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6879
6880         * combine.c (combine_instructions):  Recompute
6881         optimize_this_for_speed_p  for each BB in the main combine loop.
6882
6883 2009-01-12  Tomas Bily  <tbily@suse.cz>
6884
6885         PR middlend/38385
6886         * tree-loop-distribution.c (prop_phis): New function.
6887         (generate_builtin): Call prop_phis.
6888         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6889
6890 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6891
6892         PR tree-optimization/38807
6893         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6894         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6895
6896 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6897
6898         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6899         subreg of op0 to the original op0.
6900
6901 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6902
6903         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6904         
6905 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6906
6907         PR debug/7055
6908         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6909         starting with digits.
6910
6911 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6912
6913         PR target/38695
6914         * config/arm/arm.c (arm_is_long_call_p): Don't call
6915         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6916
6917 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6918
6919         * regrename.c (regrename_optimize): Fix dumping.
6920         (find_oldest_value_reg): Preserve REG_POINTER.
6921         (copy_hardreg_forward_1): Likewise.
6922
6923 2009-01-09  Diego Novillo  <dnovillo@google.com>
6924
6925         * gimple.h (struct gimple_statement_base) <uid>: Document
6926         the restrictions on its use.
6927         (gimple_uid): Tidy.
6928         (gimple_set_uid): Tidy.
6929
6930 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6931
6932         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6933         zero guard even if align_bytes != 0 and count is smaller than
6934         size_needed.
6935
6936 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6937
6938         PR rtl-optimization/38495
6939         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6940         (add_range_and_copies_from_move_list): Print all added ranges.
6941         Add ranges to memory optimized destination.
6942
6943 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6944
6945         PR target/38686
6946         PR target/38708
6947         * config/i386/i386.c (override_options): Reject
6948         -mstringop-strategy=rep_8byte with -m32.
6949         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6950         to 1.  Do count comparison against epilogue_size_needed at compile
6951         time even when count_exp was constant forced into register.  For
6952         size_needed don't jump to epilogue, instead just avoid aligning
6953         and invoke the body algorithm.  If need_zero_guard, add zero guard
6954         even if count is non-zero, but smaller than size_needed + number of
6955         bytes that could be stored for alignment.
6956         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6957         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6958         but smaller than size_needed + number of bytes that could be stored
6959         for alignment.  Compare size_needed with epilogue_size_needed instead
6960         of desired_align - align, don't adjust size_needed, pass
6961         epilogue_size_needed to the epilogue expanders.
6962
6963         PR c/35742
6964         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6965
6966 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6967
6968         * pa.c (last_address): Change to unsigned.
6969         (update_total_code_bytes): Change argument to unsigned.  Don't
6970         check if insn addresses are set.
6971         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6972         addresses are not set.
6973         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6974
6975 2009-01-09  Nick Clifton  <nickc@redhat.com>
6976
6977         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6978         DECL_DECLARED_INLINE_P.
6979
6980 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6981
6982         PR middle-end/38347
6983         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6984         GET_MODE (op0) in operand_subword_force calls.
6985
6986         PR middle-end/38771
6987         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6988         fold_convert arg0 operands to TREE_TYPE (op0) first.
6989
6990 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6991
6992         * params.def (ira-max-conflict-table-size): Decrease default value
6993         to 1000.
6994
6995 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6996
6997         PR tree-optimization/37031
6998         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6999         on parameter_set.
7000         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
7001         allocate it using gc instead of heap, use VEC_quick_push instead of
7002         VEC_safe_push.
7003         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
7004         instead of heap, use VEC_quick_push instead of VEC_safe_push.
7005         * tree-data-ref.h (struct access_matrix): Change matrix to gc
7006         allocated vector from heap allocated.
7007         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
7008         * tree-loop-linear.c (linear_transform_loops): Allocate nest
7009         vector only after perfect_loop_nest_depth call.
7010
7011 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
7012             Jan Sjodin  <jan.sjodin@amd.com>
7013
7014         PR tree-optimization/38559
7015         * graphite.c (debug_value, copy_constraint,
7016         swap_constraint_variables, scale_constraint_variable, ): New.
7017         (get_lower_bound, get_upper_bound): Removed.
7018         (graphite_trans_bb_strip_mine): Clean up this code that works
7019         only for constant number of iterations.  Fully copy upper and
7020         lower bound constraints, not only the constant part of them.
7021         * graphite.h (debug_value): Declared.
7022
7023 2009-01-08  Ira Rosen  <irar@il.ibm.com>
7024
7025         PR tree-optimization/37194
7026         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
7027         Don't add the cost of cost model guard in prologue to scalar 
7028         outside cost in case of known number of iterations.
7029
7030 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
7031             Alan Modra  <amodra@bigpond.net.au>
7032
7033         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
7034         non-word-aligned REG+CONST addressing.
7035
7036 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
7037
7038         PR target/38706
7039         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
7040         free_after_compilation when outputting a thunk.
7041         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
7042         Do not call free_after_compilation here.
7043
7044 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
7045
7046         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
7047         (ix86_valid_target_attribute_inner_p): Ditto.
7048
7049 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
7050
7051         PR tree-optimization/38492
7052         PR tree-optimization/38498
7053         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
7054         * tree-chrec.h (scev_is_linear_expression): Declared.
7055         * graphite.c (graphite_cannot_represent_loop_niter): New.
7056         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
7057         (graphite_loop_normal_form): Use gcc_assert.
7058         (scan_tree_for_params): Use CASE_CONVERT.
7059         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
7060         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
7061         Use gcc_assert.  Discard scops that contain unhandled cases.
7062         (build_scop_conditions): Return a boolean status for unhandled cases.
7063         (strip_mine_profitable_p): Print the loop number, not its depth.
7064         (is_interchange_valid): Pass the depth of the loop nest, don't
7065         recompute it wrongly.
7066         (graphite_trans_bb_block): Same.
7067         (graphite_trans_bb_block): Print tentative of loop blocking.
7068         (graphite_trans_scop_block): Do not print that the loop has been
7069         blocked.
7070         (graphite_transform_loops): Do not handle scops that contain condition
7071         scalar phi nodes.
7072
7073 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
7074
7075         AVX Programming Reference (December, 2008)
7076         * config/i386/avxintrin.h (_mm256_stream_si256): New.
7077         (_mm256_stream_pd): Likewise.
7078         (_mm256_stream_ps): Likewise.
7079
7080         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
7081         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
7082         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
7083         (bdesc_special_args): Add __builtin_ia32_movntdq256,
7084         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
7085         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
7086         (ix86_expand_special_args_builtin): Likewise.
7087
7088         * config/i386/sse.md (AVXMODEDI): New.
7089         (avx_movnt<mode>): Likewise.
7090         (avx_movnt<mode>): Likewise.
7091         (<sse>_movnt<mode>): Remove AVX support.
7092         (sse2_movntv2di): Likewise.
7093
7094 2009-01-07  Richard Guenther  <rguenther@suse.de>
7095
7096         PR middle-end/38751
7097         * fold-const.c (extract_muldiv): Remove obsolete comment.
7098         (fold_plusminus_mult_expr): Undo MINUS_EXPR
7099         to PLUS_EXPR canonicalization for the canonicalization.
7100
7101 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
7102
7103         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
7104         hosted cross-compilers generating less efficient code.
7105
7106 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7107
7108         * function.h (rtl_data): Add a dbr_scheduled_p field.
7109         * reorg.c (dbr_schedule): Set it.
7110         (gate_handle_delay_slots): Check it.
7111         * config/mips/mips.c (mips_base_delayed_branch): Delete.
7112         (mips_reorg): Check flag_delayed_branch instead of
7113         mips_base_delayed_branch.
7114         (mips_override_options): Don't set mips_base_delayed_branch
7115         or flag_delayed_branch.
7116
7117 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7118
7119         PR rtl-optimization/38426.
7120         * ira.c (ira): Set current_function_is_leaf earlier.
7121
7122 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
7123
7124         PR rtl-optimization/38722
7125         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
7126         too early, only set a flag and modify after last possible
7127         undo_all point.
7128
7129 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
7130
7131         PR c/34252
7132         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7133         * real.c (decimal_single_format): Correct values of emin and emax.
7134         (decimal_double_format): Ditto.
7135         (decimal_quad_format): Ditto.
7136         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7137         computation of DECnn_MIN and DECnn_MAX for corrected values of
7138         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
7139         __DECnn_MIN__, and adjust its computation for the corrected value
7140         of emin.
7141
7142 2009-01-06  Jan Hubicka  <jh@suse.cz>
7143
7144         PR target/38744
7145         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7146
7147 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7148
7149         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7150         Add Robert Clark to the list of testers.
7151
7152 2009-01-06  Jan Hubicka  <jh@suse.cz>
7153             Kai Tietz  <kai.tietz@onevision.com>
7154
7155         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7156         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7157
7158 2009-01-06  Jan Hubicka  <jh@suse.cz>
7159             Kai Tietz  <kai.tietz@onevision.com>
7160
7161         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7162         for w64 ABI.
7163         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7164         (ix86_nsaved_regs): Count only general purpose regs.
7165         (ix86_nsaved_sseregs): New.
7166         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7167         to 16 for w64; compute padding and size of sse reg save area.
7168         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7169         general purpose regs.
7170         (ix86_emit_save_sse_regs_using_mov): New.
7171         (ix86_expand_prologue): Save SSE regs if needed.
7172         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7173         (ix86_emit_restore_sse_regs_using_mov): New.
7174         (ix86_expand_epilogue): Save SSE regs if needed.
7175
7176 2009-01-06  Jan Hubicka  <jh@suse.cz>
7177             Kai Tietz  <kai.tietz@onevision.com>
7178
7179         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7180         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7181         functions when accumulate outgoing args is off.
7182
7183 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7184
7185         PR bootstrap/38742
7186         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7187         before using pseudos_have_intersected_live_ranges_p.
7188
7189         * ira-int.h (ira_assert): Always define.
7190
7191 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7192
7193         AVX Programming Reference (December, 2008)
7194         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7195         (_mm256_permute2_pd): Likewise.
7196         (_mm_permute2_ps): Likewise.
7197         (_mm256_permute2_ps): Likewise.
7198         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7199         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7200
7201         * config/i386/i386.c (ix86_builtins): Remove
7202         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7203         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7204         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7205         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7206         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7207         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7208         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7209         __builtin_ia32_vpermil2ps256.
7210         (ix86_init_mmx_sse_builtins): Updated.
7211         (ix86_expand_args_builtin): Likewise.
7212
7213 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7214
7215         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7216         long absolute calls when generating PA 2.0 code.
7217
7218 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7219
7220         PR rtl-optimization/38583
7221         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7222
7223         * params.def (ira-max-conflict-table-size): New.
7224
7225         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7226         
7227         * ira.h (ira_conflicts_p): New external definition.
7228         
7229         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7230         table.  Report this.  Return result of building.
7231         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7232         building conflict table.
7233
7234         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7235         (ira_color): Use ira_conflicts_p.
7236         
7237         * global.c: Include ira.h.
7238         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7239         ira_conflicts_p.
7240
7241         * Makefile.in (global.o): Add ira.h.
7242         
7243         * ira-build.c (mark_all_loops_for_removal,
7244         propagate_some_info_from_allocno): New.
7245         (remove_unnecessary_allocnos): Call
7246         propagate_some_info_from_allocno.
7247         (remove_low_level_allocnos): New.
7248         (remove_unnecessary_regions): Add parameter.  Call
7249         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7250         parameter to remove_unnecessary_regions.
7251         (ira_build): Remove all regions but root if the conflict table was
7252         not built.  Update conflict hard regs for allocnos crossing calls.
7253
7254         * ira.c (ira_conflicts_p): New global.
7255         (ira): Define and use ira_conflicts_p.
7256
7257         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7258         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7259         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7260         
7261 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7262
7263         * gengtype-lex.l (YY_NO_INPUT): Define.
7264
7265 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7266
7267         PR c/34911
7268         * c-common.c (handle_vector_size_attribute): Also reject
7269         BOOLEAN_TYPE types.
7270
7271 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7272
7273         PR tree-optimization/38492
7274         * graphite.c (rename_map_elt, debug_rename_elt,
7275         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7276         rename_map_elt_info, eq_rename_map_elts,
7277         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7278         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7279         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7280         (sese_build_livein_liveouts): New.
7281         (new_sese, free_sese): New.
7282         (new_scop): Call new_sese.
7283         (free_scop): Call free_sese.
7284         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7285         (register_old_new_names): Renamed register_old_and_new_names.
7286         (register_scop_liveout_renames, add_loop_exit_phis,
7287         insert_loop_close_phis, struct igp,
7288         default_liveout_before_guard, add_guard_exit_phis,
7289         insert_guard_phis, copy_renames): New.
7290         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7291         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7292         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7293         (scop_adjust_phis_for_liveouts): New.
7294         (gloog): Call scop_adjust_phis_for_liveouts.
7295
7296         * graphite.h (struct sese): Documented.  Added fields liveout,
7297         num_ver and livein.
7298         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7299         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7300         (struct scop): Added field liveout_renames.
7301         (SCOP_LIVEOUT_RENAMES): New.
7302
7303 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7304
7305         PR tree-optimization/38510
7306         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7307         (translate_clast): Call recompute_all_dominators before
7308         graphite_verify.
7309         (gloog): Call recompute_all_dominators before graphite_verify.
7310
7311 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7312             Jan Sjodin  <jan.sjodin@amd.com>
7313
7314         PR tree-optimization/38500
7315         * graphite.c (create_sese_edges): Call fix_loop_structure after
7316         splitting blocks.
7317
7318 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7319
7320         * config.gcc: Add m32r*-*-rtems*.
7321         * config/m32r/rtems.h: New file.
7322
7323 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7324
7325         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7326         (.po.pox): Likewise.
7327         (po/gcc.pot): Likewise.
7328
7329 2009-01-04  David S. Miller  <davem@davemloft.net>
7330
7331         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7332         (STARTING_FRAME_OFFSET): Always set to zero.
7333
7334 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7335
7336         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7337         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7338         fixed-point types, and vectors of the same.
7339
7340 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7341
7342         * config/mips/sync.md (*mb_barrier): Rename to...
7343         (*memory_barrier): ...this.
7344
7345 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7346
7347         * doc/extend.texi (Function Attributes): Move @cindex after @item
7348         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7349         and put in alphabetical order. Fix 'target' name and put in order.
7350         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7351         typos.
7352
7353 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7354
7355         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7356         (memory_barrier): Expand as unspec instead of unspec_volatile.
7357         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7358         (*memory_barrier): Define as unspec instead of unspec_volatile.
7359         Use (match_dup 0) as input operand.
7360
7361         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7362         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7363         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7364         scratch register.  Remove operand 1.
7365         (*stbar): Define as unspec instead of unspec_volatile.
7366         Use (match_dup 0) as input operand, remove (const_int 8).
7367         (*membar): Define as unspec instead of unspec_volatile.
7368         Use (match_dup 0) as input operand, remove input operand 2.
7369
7370         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7371         (memory_barrier): Expand as unspec instead of unspec_volatile.
7372         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7373         (*memory_barrier): Define as unspec instead of unspec_volatile.
7374         Use (match_dup 0) as input operand.
7375
7376         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7377         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7378         Set volatile flag on operand 0.
7379         (*memory_barrier): New insn pattern.
7380
7381         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7382         insn operands.
7383         (*memory_barrier): Use (match_dup 0) as input operand.
7384
7385         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7386         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7387         Set volatile flag on operand 0.
7388         (*mb_internal): New insn pattern.
7389
7390         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7391
7392 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7393
7394         PR middle-end/38586
7395         * function.c (struct temp_slot): Move to the section of the file
7396         that deals with temp slots.  Remove field 'address'.
7397         (temp_slot_address_table): New hash table of address -> temp slot.
7398         (struct temp_slot_address_entry): New struct, items for the table.
7399         (temp_slot_address_compute_hash, temp_slot_address_hash,
7400         temp_slot_address_eq, insert_temp_slot_address): Support functions
7401         for the new table.
7402         (find_temp_slot_from_address): Rewrite to use the new hash table.
7403         (remove_unused_temp_slot_addresses): Remove addresses of temp
7404         slots that have been made available.
7405         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7406         worker function for remove_unused_temp_slot_addresses.
7407         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7408         Add the temp slot address to the address -> temp slot map.
7409         (update_temp_slot_address): Update via insert_temp_slot_address.
7410         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7411         (pop_temp_slots): Likewise.
7412         (init_temp_slots): Allocate the address -> temp slot map, or empty
7413         the map if it is already allocated.
7414         (prepare_function_start): Initialize temp slot processing.
7415
7416 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7417
7418         PR middle-end/38584
7419         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7420         Calculate the size of all stack vars assuming no packing of stack
7421         vars will happen, replacing a quadratic algorithm with a linear one.
7422
7423 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7424
7425         PR target/38707
7426         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7427         can't be used.
7428
7429 2009-01-03  Diego Novillo  <dnovillo@google.com>
7430
7431         * doc/contrib.texi: Update contributions.
7432
7433 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7434
7435         PR c++/38705
7436         * builtins.c (fold_builtin_memory_op): Give up if either operand
7437         is volatile.  Set srctype or desttype to non-qualified version
7438         of the other type.
7439
7440         PR c/38700
7441         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7442         and FUNCTION_DECLs.
7443
7444 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7445
7446         PR rtl-optimization/35805
7447         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7448         problem if fast dce is able to remove any instructions.
7449         * dce.c (dce_process_block): Fix dump message.
7450         
7451 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7452
7453         PR 33649
7454         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7455
7456 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7457
7458         PR middle-end/38690
7459         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7460         * tree-pretty-print.c (op_code_prio): New function.
7461         (op_prio): No longer static.  Use op_code_prio.
7462         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7463         Use op_prio and op_code_prio to determine if () should be
7464         printed around operand(s) or not.
7465
7466         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7467         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7468         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7469         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7470         pp_character instead of pp_string for single letter printing.
7471
7472 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7473
7474         * doc/extend.texi: Fix '#pragma GCC option' typo.
7475
7476 2009-01-02  Richard Guenther  <rguenther@suse.de>
7477
7478         * doc/install.texi (--enable-checking): Mention different
7479         default for stage1.
7480         (--enable-stage1-checking): Document.
7481
7482 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7483
7484         PR middle-end/30142
7485         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7486         case to be an error.
7487
7488 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7489
7490         * config/fp-bit.h (pack_d): Constify argument.
7491         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7492         (isnan): Constify argument.
7493         (isinf): Likewise.
7494         (iszero): Likewise.
7495         (pack_d): Likewise.
7496         (_fpadd_parts): Constify return type.
7497         (_fpmul_parts): Likewise.
7498         (_fpdiv_parts): Likewise.
7499
7500 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7501
7502         PR c/36489
7503         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7504         warn about overwriting initializer with side-effects or
7505         -Woverride-init if !IMPLICIT.
7506         (output_init_element): Likewise.  Pass IMPLICIT down to
7507         add_pending_init.
7508         (process_init_element): Add IMPLICIT argument.  Pass it down
7509         to output_init_element.
7510         (push_init_element, pop_init_level, set_designator): Adjust
7511         process_init_element callers.
7512         (set_nonincremental_init, set_nonincremental_init_from_string):
7513         Adjust add_pending_init callers.
7514         (output_pending_init_elements): Adjust output_init_element callers.
7515         * c-tree.h (process_init_element): Adjust prototype.
7516         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7517         process_init_element callers.