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1 2009-04-19  Jan Hubicka  <jh@suse.cz>
2
3         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper cfun.
4         (dump_cgraph_node): Dump can throw external flag.
5         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
6
7 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8
9         PR c/32061
10         PR c++/36954
11         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
12         * common.opt (Wlogical-op): Move from here...
13         * c.opt (Wlogical-op): ... to here.
14         * c-typeck.c (parser_build_binary_op): Update call to
15         warn_logical_operator.
16         * c-opts.c (c_common_post_options): Enable warn_logical_op with
17         extra_warnings.
18         * c-common.c (warn_logical_op): Update.
19         * c-common.h (warn_logical_op): Update declaration.
20
21 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
22
23         * tree.c (protected_set_expr_location): Fix formatting.
24
25 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
26
27         PR c/27676
28         * c-typeck.c (readonly_warning): new.
29         (build_unary_op, build_modify_expr): Use readonly_warning for
30         storing into something readonly but not const-qualified.
31
32 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
33
34         PR c/22367
35         * c-typeck.c (build_unary_op): Check for taking address of
36         expression of type void.
37
38 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
39
40         PR c/35210
41         * c-typeck.c (build_function_call): Check for calling a function
42         with qualified void return types.  Call require_complete_type when
43         generating a trap.
44
45 2009-04-18  Jan Hubicka  <jh@suse.cz>
46
47         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
48         Set nothrow flag.
49         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
50         can_throw_external flag.
51         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
52         * ipa-pure-const.c (ignore_edge): New function.
53         (propagate): Compute order for NOTHROW computation; set NOTHROWs
54         only over can_throw_external edges.
55         (local_pure_const): Add nothrow flag.
56         * ipa-utils.c (searchc): Add ignore_edge callback.
57         (ipa_utils_reduced_inorder): Add ignore_edge callback.
58         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
59         (set_nothrow_function_flags): Update cgraph.
60         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
61
62 2009-04-18  Richard Guenther  <rguenther@suse.de>
63
64         PR middle-end/39804
65         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
66         (fold_stmt): ... this and ...
67         (fold_stmt_inplace): ... this.
68         (fold_stmt_1): Fold references in calls and asms.
69         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
70
71 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
72
73         * tree-vrp.c (ssa_name_nonzero_p): Remove.
74         * tree.h: Remove the prototype for ssa_name_nonzero_p.
75
76 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
77
78         * tree.c (function_args_count): Remove.
79         * tree.h: Remove the prototype for function_args_count.
80
81 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
82
83         * tree-iterator.c (expr_only): Remove.
84         * tree.h: Remove the prototype for expr_only.
85
86 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
87
88         * reginfo.c (cannot_change_mode_set_regs): Remove.
89         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
90
91 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
92
93         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
94         whether operands 0 and 1 overlaps.
95
96 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
97
98         PR middle-end/36902
99         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
100         pointer. Use warning_at instead of warning.
101         (search_for_addr_array): Likewise.
102         (check_array_bounds): Likewise.
103         (check_all_array_refs): Check that the incoming edge is not in the
104         list of edges to be removed.
105         (check_all_array_refs): Avoid the temporal pointer.
106         (vrp_visit_cond_stmt): Fix typo.
107         (simplify_switch_using_ranges): Handle the case where the switch
108         index is an integer constant.
109
110 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
111
112         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
113
114 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
115
116         * doc/extend.texi, doc/invoke.texi: Fix typos.
117
118 2009-04-17  Cary Coutant  <ccoutant@google.com>
119
120         * tree-flow-inline.h (get_lineno): Fix inverted test.
121
122 2009-04-17  Diego Novillo  <dnovillo@google.com>
123
124         * tree-ssa-pre.c (create_expression_by_pieces): Remove
125         assertion for AVAIL_OUT.
126
127 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
128
129         PR target/38627
130         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
131         * config/sh/linux-atomic.asm: Likewise.
132
133 2009-04-17  Diego Novillo  <dnovillo@google.com>
134
135         * except.c (debug_eh_tree): New.
136         (struct eh_region, struct eh_status): Move ...
137         * except.h: ... here.
138         (add_type_for_runtime): Declare extern.
139         (lookup_type_for_runtime): Likewise.
140         (debug_eh_tree): Declare.
141         * Makefile.in (GTFILES): List except.h before except.c
142
143 2009-04-17  Diego Novillo  <dnovillo@google.com>
144
145         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT
146         for DECL.
147         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
148         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
149         (find_vars_r): ... here.
150         * tree-flow.h (find_referenced_vars_in): Declare.
151         * tree-ssa-pre.c (create_expression_by_pieces): Assert
152         that AVAIL_OUT exists for BLOCK.
153         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
154         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
155         (tree-parloops.o): Likewise.
156
157 2009-04-17  Simon Baldwin  <simonb@google.com>
158
159         * toplev.c (default_tree_printer): Add handling for %E format.
160
161 2009-04-17  Diego Novillo  <dnovillo@google.com>
162
163         * tree-pretty-print.c (dump_generic_node): Add break
164         after TREE_BINFO handler.
165         Handle COMPLEX_TYPE, REAL_TYPE and FIXED_POINT_TYPE
166         Handle NULL TREE_TYPEs.
167         Handle METHOD_TYPE and FUNCTION_TYPE together.
168         Call print_struct_decl when printing structures and
169         TDF_SLIM is not given.
170         (print_struct_decl): Fix logic for detecting recursion.
171
172 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
173
174         PR 31567
175         * gcc.c (create_at_file): New.
176         (compile_input_file_p): New.
177         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
178         * main.c (main): Update call to toplev_main.
179         * toplev.c (toplev_main): Change signature. Call expandargv.
180         * toplev.h (toplev_main): Change signature.
181
182 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
183
184         * dwarf2out.c (field_byte_offset): Use the type size as the field size
185         if the latter is not constant.
186
187 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
188
189         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
190
191 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
192
193         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
194         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
195
196 2009-04-17  Richard Guenther  <rguenther@suse.de>
197
198         * tree-ssa-structalias.c (get_constraint_for_component_ref):
199         Handle component references view-converting an invariant address.
200
201 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
202
203         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
204         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
205         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
206         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
207         Use @deftypevr rather than @deftypevar.
208
209 2009-04-17  Richard Guenther  <rguenther@suse.de>
210
211         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up
212         tuplification.
213         (get_prop_source_stmt): Likewise.
214         (can_propagate_from): Likewise.
215
216 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
217
218         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
219         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
220         (--with-multilib-list): Add default value.
221         * configure: Regenerate.
222         * Makefile.in (TM_ENDIAN_CONFIG): Define.
223         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
224         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
225         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
226         Don't add default cpu to multilib list unnecessarily, but do enable
227         the relevant compiler option..
228         Add support for --with-multilib-list=<blank> and
229         --with-multilib-list=!<somelib> to supress unwanted multilibs.
230         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
231         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
232         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
233         TM_MULTILIB_CONFIG.
234         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
235         (MULTILIB_OSDIRNAMES): New variable.
236         * config/sh/t-1e: Delete file.
237         * config/sh/t-mlib-sh1: Delete file.
238         * config/sh/t-mlib-sh2: Delete file.
239         * config/sh/t-mlib-sh2a: Delete file.
240         * config/sh/t-mlib-sh2a-nofpu: Delete file.
241         * config/sh/t-mlib-sh2a-single: Delete file.
242         * config/sh/t-mlib-sh2a-single-only: Delete file.
243         * config/sh/t-mlib-sh2e: Delete file.
244         * config/sh/t-mlib-sh3e: Delete file.
245         * config/sh/t-mlib-sh4: Delete file.
246         * config/sh/t-mlib-sh4-nofpu: Delete file.
247         * config/sh/t-mlib-sh4-single: Delete file.
248         * config/sh/t-mlib-sh4-single-only: Delete file.
249         * config/sh/t-mlib-sh4a: Delete file.
250         * config/sh/t-mlib-sh4a-nofpu: Delete file.
251         * config/sh/t-mlib-sh4a-single: Delete file.
252         * config/sh/t-mlib-sh4a-single-only: Delete file.
253         * config/sh/t-mlib-sh4al: Delete file.
254         * config/sh/t-mlib-sh5-32media: Delete file.
255         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
256         * config/sh/t-mlib-sh5-64media: Delete file.
257         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
258         * config/sh/t-mlib-sh5-compact: Delete file.
259         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
260         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
261         * doc/install.texi (Options specification): Add
262         --with-multilib-list and --with-endian.
263
264 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
265
266         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
267         REVISION_c.
268         (OBJS-common): Add plugin-version.o.
269         (plugin-version.o): New.
270         * gcc-plugin.h (plugin_gcc_version): New.
271         (plugin_default_version_check): New.
272         (plugin_init_func, plugin_init): Add version argument.
273         * plugin-version.c: New.
274         * plugin.c (str_plugin_gcc_version_name): New.
275         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
276         pass it to the init function.
277         (plugin_default_version_check): New.
278
279 2009-04-17  Richard Guenther  <rguenther@suse.de>
280
281         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
282         for decl-vs-decl disambiguation.
283
284 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
285
286         * config/s390/s390.h (s390_tune_attr): New macro definition.
287         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
288
289 2009-04-17  Richard Guenther  <rguenther@suse.de>
290
291         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
292         (fold_stmt_r): Likewise.
293         (maybe_fold_reference): New function.
294         (fold_gimple_assign): Handle cases fold_stmt_r did.
295         (fold_stmt): Do not use fold_stmt_r.
296         (fold_stmt_inplace): Likewise.
297
298 2009-04-17  Richard Guenther  <rguenther@suse.de>
299
300         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
301         (record_equivalences_from_stmt): Remove useless checks and
302         simplifications.
303         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
304         the type is already suitable.
305
306 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
307
308         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
309
310 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
311
312         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
313         (CMPtype): Define as __gcc_CMPtype.
314
315 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
316
317         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
318         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
319
320 2009-04-17  Richard Guenther  <rguenther@suse.de>
321
322         PR tree-optimization/39746
323         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
324         special-casing for builtins and static variable use/def.
325         (call_may_clobber_ref_p_1): Likewise.
326
327 2009-04-16  Ian Lance Taylor  <iant@google.com>
328
329         * df.h: Include "timevar.h".
330         (struct df_problem): Change tv_id field to timevar_id_t.
331         * tree-pass.h: Include "timevar.h".
332         (struct opt_pass): Change tv_id field to timevar_id_t.
333         * timevar.h (timevar_id_t): Define TV_NONE.
334         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
335         TV_NONE rather than tv_id != 0.
336         (execute_one_pass): Likewise.
337         * Makefile.in (DF_H): Add $(TIMEVAR_H).
338         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
339         dependencies to $(TREE_PASS_H).
340         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
341         to TV_NONE.
342         (pass_branch_target_load_optimize2): Likewise.
343         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
344         (pass_outof_cfg_layout_mode): Likewise.
345         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
346         (pass_rebuild_cgraph_edges): Likewise.
347         (pass_remove_cgraph_callee_edges): Likewise.
348         * df-core.c (pass_df_initialize_opt): Likewise.
349         (pass_df_initialize_no_opt): Likewise.
350         (pass_df_finish): Likewise.
351         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
352         * except.c (pass_set_nothrow_function_flags): Likewise.
353         (pass_convert_to_eh_region_ranges): Likewise.
354         * final.c (pass_compute_alignments): Likewise.
355         * function.c (pass_instantiate_virtual_regs): Likewise.
356         (pass_init_function): Likewise.
357         (pass_leaf_regs): Likewise.
358         (pass_match_asm_constraints): Likewise.
359         * gimple-low.c (pass_lower_cf): Likewise.
360         (pass_mark_used_blocks): Likewise.
361         * init-regs.c (pass_initialize_regs): Likewise.
362         * integrate.c (pass_initial_value_sets): Likewise.
363         * ira.c (pass_ira): Likewise.
364         * jump.c (pass_cleanup_barriers): Likewise.
365         * omp-low.c (pass_expand_omp): Likewise.
366         (pass_lower_omp): Likewise.
367         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
368         * recog.c (pass_split_all_insns): Likewise.
369         (pass_split_after_reload): Likewise.
370         (pass_split_before_regstack): Likewise.
371         (pass_split_before_sched2): Likewise.
372         (pass_split_for_shorten_branches): Likewise.
373         * reginfo.c (pass_reginfo_init): Likewise.
374         (pass_subregs_of_mode_init): Likewise.
375         (pass_subregs_of_mode_finish): Likewise.
376         * passes.c (pass_postreload): Likewise.
377         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
378         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
379         (pass_warn_function_return): Likewise.
380         (pass_warn_function_noreturn): Likewise.
381         * tree-complex.c (pass_lower_complex): Likewise.
382         (pass_lower_complex_O0): Likewise.
383         * tree-if-conv.c (pass_if_conversion): Likewise.
384         * tree-into-ssa.c (pass_build_ssa): Likewise.
385         * tree-mudflap.c (pass_mudflap_1): Likewise.
386         (pass_mudflap_2): Likewise.
387         * tree-nomudflap.c (pass_mudflap_1): Likewise.
388         (pass_mudflap_2): Likewise.
389         * tree-nrv.c (pass_return_slot): Likewise.
390         * tree-object-size.c (pass_object_sizes): Likewise.
391         * tree-optimize.c (pass_all_optimizations): Likewise.
392         (pass_early_local_passes): Likewise.
393         (pass_all_early_optimizations): Likewise.
394         (pass_cleanup_cfg): Likewise.
395         (pass_cleanup_cfg_post_optimizing): Likewise.
396         (pass_free_datastructures): Likewise.
397         (pass_free_cfg_annotations): Likewise.
398         (pass_fixup_cfg): Likewise.
399         (pass_init_datastructures): Likewise.
400         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
401         (pass_late_warn_uninitialized): Likewise.
402         (pass_update_address_taken): Likewise.
403         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
404         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
405         (pass_cse_sincos): Likewise.
406         (pass_convert_to_rsqrt): Likewise.
407         * tree-ssa-structalias.c (pass_build_alias): Likewise.
408         * tree-stdarg.c (pass_stdarg): Likewise.
409         * tree-tailcall.c (pass_tail_recursion): Likewise.
410         (pass_tail_calls): Likewise.
411         * tree-vect-generic.c (pass_lower_vector): Likewise.
412         (pass_lower_vector_ssa): Likewise.
413         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
414
415 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
416
417         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
418         XLR entry.
419         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
420         Handle -march=xlr.
421         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
422         logical and signext.
423
424 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
425
426         PR target/39767
427         * config/sh/predicates.md (arith_operand): Check if the operand
428         of TRUNCATE is a REG.
429
430 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
431
432         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
433         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
434
435 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
436
437         * tree-iterator.c (tsi_split_statement_list_after,
438         tsi_split_statement_list_before): Remove.
439         * tree-iterator.h: Remove the prototypes for
440         tsi_split_statement_list_after and tsi_split_statement_list_before.
441
442 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
443
444         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
445         * tree-ssa-propagate.h: Remove the prototype for
446         stmt_makes_single_load.
447
448 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
449
450         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
451         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
452
453 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
454
455         * tree-iterator.c (EXPR_LAST_BODY): Remove.
456
457 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
458
459         * except.c (eh_region_outer_p): Remove.
460         * except.h: Remove the prototype for eh_region_outer_p.
461
462 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
463
464         * function.c (current_function_assembler_name): Remove.
465         * function.h: Remove the prototype for
466         current_function_assembler_name.
467
468 2009-04-16  Ian Lance Taylor  <iant@google.com>
469
470         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
471         (add_reg_note): Call alloc_reg_note.
472         * rtl.h (alloc_reg_note): Declare.
473         * combine.c (try_combine): Use alloc_reg_note.
474         (recog_for_combine, move_deaths): Likewise.
475         (distribute_notes): Use alloc_reg_note and add_reg_note.
476         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
477         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
478         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
479
480 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
481
482         PR rtl-optimization/39762
483         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
484         ira_may_move_out_cost): Add comments about way of their usage.
485         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
486         
487         * ira-conflicts.c (process_regs_for_copy): Use function
488         ira_get_register_move_cost instead of global
489         ira_register_move_cost.
490
491         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
492         color_pass, move_spill_restore, update_curr_costs): Ditto.
493
494         * ira-lives.c (process_single_reg_class_operands): Ditto.
495
496         * ira-emit.c (emit_move_list): Ditto.
497
498         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
499         (record_reg_classes): Ditto.  Use functions
500         ira_get_register_move_cost and ira_get_may_move_cost instead of
501         global vars ira_register_move_cost, ira_may_move_out_cost and
502         ira_may_move_in_cost.
503         (record_address_regs): Don't call ira_init_register_move_cost.
504         Use function ira_get_may_move_cost instead of global
505         ira_may_move_in_cost.
506         (process_bb_node_for_hard_reg_moves): Use function
507         ira_get_register_move_cost instead of global ira_register_move_cost.
508         (ira_costs): Don't call ira_init_register_move_cost.
509         
510 2009-04-16  Richard Guenther  <rguenther@suse.de>
511
512         * tree-cfg.c (verify_gimple_assign_binary):
513         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
514         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
515         (create_general_new_stmt): Note that this function is broken.
516
517 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
518
519         * common.opt (fhelp): Add Var(help_flag).
520         * gcc-plugin.h (plugin_info): Add help.
521         * plugin.c (plugin_name_args): Add help.
522         (register_plugin_info): Set plugin->help.
523         (print_help_one_plugin): New.
524         (print_plugins_help): New.
525         * plugin.h (print_plugins_help): New.
526         * toplev.c (toplev_main): Call print_plugins_help if needed.
527
528 2009-04-16  Richard Guenther  <rguenther@suse.de>
529
530         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
531         (gimple_ior_addresses_taken_1): New function.
532         (gimple_ior_addresses_taken): Likewise.
533         * gimple.h (struct gimple_statement_with_ops_base): Remove
534         addresses_taken member.
535         (gimple_ior_addresses_taken): Declare.
536         (gimple_addresses_taken, gimple_addresses_taken_ptr,
537         gimple_set_addresses_taken): Remove.
538         * ipa-reference.c (mark_address): New function.
539         (scan_stmt_for_static_refs): Use it for marking addresses taken.
540         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
541         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
542         (gimple_add_to_addresses_taken): Remove.
543         (get_tmr_operands): Call mark_address_taken.
544         (get_asm_expr_operands): Likewise.
545         (get_expr_operands): Likewise.
546         (build_ssa_operands): Do not clear the addresses_taken bitmap.
547         (free_stmt_operands): Do not free it.
548         * tree-ssa.c (delete_tree_ssa): Likewise.
549         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
550
551 2009-04-16  Richard Guenther  <rguenther@suse.de>
552
553         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
554         (walk_stmt_load_store_ops): Likewise.
555         * gimple.c (get_base_loadstore): New function.
556         (walk_stmt_load_store_addr_ops): Likewise.
557         (walk_stmt_load_store_ops): Likewise.
558         * ipa-pure-const.c (check_op): Simplify.
559         (check_load, check_store): New functions.
560         (check_stmt): Use walk_stmt_load_store_ops.
561         * ipa-reference.c (mark_load): Adjust signature.
562         (mark_store): Likewise.
563         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
564
565 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
566
567         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
568         (plugin_info): New.
569         * opts.c (common_handle_option): Don't call print_version.
570         * plugin.c (plugin_name_args): Add version.
571         (register_plugin_info): New.
572         (register_callback): Handle PLUGIN_INFO.
573         (try_init_one_plugin): New.
574         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
575         if failed to init.
576         (finalize_one_plugin): New.
577         (finalize_plugins): New.
578         (print_one_plugin): New.
579         (print_plugins_versions): New.
580         * plugin.h (print_plugins_versions): New.
581         (finalize_plugins): New.
582         * toplev.c (compile_file): Don't call initialize_plugins.
583         (print_version): Call print_plugins_versions.
584         (toplev_main): Call initialize_plugins. Print version if needed.
585         Call finalize_plugins.
586
587 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
588
589         * common.opt (fversion): New.
590         * gcc.c (print_version): New.
591         (process_command): Don't print the version. Just set print_version.
592         (main): Print version. Call subprocesses if print_version and
593         verbose_flag are set.
594         * opts.c (common_handle_option): Handle OPT_fversion.
595
596 2009-04-16  Richard Guenther  <rguenther@suse.de>
597             Ira Rosen  <irar@il.ibm.com>
598
599         PR tree-optimization/39698
600         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
601         type of the reduction variable.  Only generate the def if
602         it is needed.
603
604         * omp-low.c (expand_omp_for_generic): When converting to a pointer
605         make sure to first convert to an integer of the same precision.
606         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
607         the type of the evolution correctly in computing the new
608         induction variable base.
609
610 2009-04-16  Richard Guenther  <rguenther@suse.de>
611
612         PR middle-end/39625
613         * tree-cfg.c (make_blocks): Split statements with to-be
614         abnormal SSA names on the lhs.
615
616 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
617
618         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
619         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
620         * c-typeck.c (really_start_incremental_init): Likewise.
621         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
622         (TARGET_INITIALIZER): Remove it.
623         * target.h (struct target): Remove vector_opaque_p.
624         * tree.c (build_opaque_vector_type): New.
625         * tree.h (TYPE_VECTOR_OPAQUE): New.
626         (build_opaque_vector_type): Declare.
627         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
628         * config/rs6000/rs6000.c (build_opaque_vector_type,
629         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
630         (rs6000_init_builtins): Use build_opaque_vector_type for
631         opaque_V4SI_type_node.
632
633 2009-04-15  Catherine Moore  <clm@codesourcery.com>
634
635         * debug.h (set_name):  Declare.
636         * dwarf2out.c (dwarf2out_set_name): Declare.
637         (dwarf2_debug_hooks): Add set_name.
638         (find_AT_string): New.
639         (add_AT_string): Call find_AT_string.
640         (dwarf2out_set_name): New.
641         * cp/decl.c (grokdeclarator): Call set_name.
642         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
643         * debug.c (do_nothing_debug_hooks):  Likewise.
644         * dbxout.c (dbx_debug_hooks): Likewise.
645         * sdbout.c (sdb_debug_hooks): Likewise.
646
647 2009-04-15  Michael Eager <eager@eagercon.com>
648
649         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
650         reg for single-precision FPU.
651         * config/rs6000/rs6000.md (movsi_internal1): Only for
652         !TARGET_SINGLE_FPU.
653         (movsi_internal1_single): New. Add pattern to move SI values to/from
654         single-precision FP regs.
655
656 2009-04-15  Richard Guenther  <rguenther@suse.de>
657
658         * omp-low.c (lower_rec_input_clauses): Build correct address
659         expressions.
660         (expand_omp_for_generic): Fix multiplication type.
661         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
662         (generate_memset_zero): Fix types.
663         * tree-profile.c (prepare_instrumented_value): Correctly
664         widen a pointer.
665
666 2009-04-15  Ian Lance Taylor  <iant@google.com>
667
668         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
669         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
670         for -Wall and for -Wc++-compat.
671         (c_common_post_options): For C++, set warn_enum_compare if not
672         already set.
673         * c-tree.h (struct c_expr): Add field original_type.
674         (build_external_ref): Update declaration.
675         * c-parser.c (c_parser_braced_init): Set original_type.
676         (c_parser_initelt): Likewise.
677         (c_parser_expr_no_commas): Likewise.
678         (c_parser_conditional_expression): Likewise.
679         (c_parser_cast_expression): Likewise.
680         (c_parser_unary_expression): Likewise.  Pull setting of
681         original_code to top of function.
682         (c_parser_sizeof_expression): Set original_type.
683         (c_parser_alignof_expression): Likewise.
684         (c_parser_postfix_expression): Likewise.  Pull setting of
685         original_code to top of function.
686         (c_parser_postfix_expression_after_paren_type): Set original_type.
687         (c_parser_postfix_expression_after_primary): Likewise.
688         (c_parser_expression): Likewise.
689         * c-typeck.c (build_external_ref): Add type parameter.  Change all
690         callers.
691         (c_expr_sizeof_expr): Set original_type field.
692         (parser_build_unary_op): Likewise.
693         (parser_build_binary_op): Likewise.  Optionally warn about
694         comparisons of enums of different types.
695         (digest_init): Set original_type field.
696         (really_start_incremental_init): Likewise.
697         (push_init_level, pop_init_level): Likewise.
698         * doc/invoke.texi (Warning Options): -Wenum-compare now
699         supported in C.
700
701 2009-04-15  Richard Guenther  <rguenther@suse.de>
702
703         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
704         out a necessary conversion.
705         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
706         names we didn't value number.
707         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
708
709 2009-04-15  Richard Guenther  <rguenther@suse.de>
710
711         PR tree-optimization/39764
712         * tree-ssa-ccp.c (get_value): Canonicalize value with
713         canonicalize_float_value.
714
715 2009-04-15  Jan Hubicka  <jh@suse.cz>
716
717         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
718         Wrong version of patch.
719
720 2009-04-15  Jan Hubicka  <jh@suse.cz>
721
722         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
723
724 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
725
726         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
727         our distinct integral and vector types.
728
729 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
730
731         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
732         * init.c (build_vtbl_address): Remove call to assemble_external.
733
734 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
735
736         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
737         output for other floating point modes.
738
739 2009-04-14  Diego Novillo  <dnovillo@google.com>
740
741         * diagnostic.c (diagnostic_report_diagnostic): Do not
742         warn about loaded plugins for DK_ERROR and DK_WARNING.
743         * c-decl.c (declspecs_add_type): Move call to
744         invoke_plugin_callbacks ...
745         * c-parser.c (c_parser_declspecs): ... here.
746         * plugin.c (dump_active_plugins): Tidy output.
747
748 2009-04-14  Diego Novillo  <dnovillo@google.com>
749             Le-Chun Wu  <lcwu@google.com>
750
751         * configure.ac: Add --enable-plugin support.
752         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
753         * Makefile.in (PLUGIN_H): Define.
754         Export ENABLE_PLUGIN and GMPINC to site.exp.
755         Add PLUGINLIBS to link command.
756         Add/modify dependencies for plugin.o and files including plugin.h.
757         (plugin.o): New.
758         * config.in: Regenerate.
759         
760         * opts.c (common_handle_option): Handle OPT_fplugin_ and
761         OPT_fplugin_arg_.
762
763 2009-04-14  Le-Chun Wu  <lcwu@google.com>
764
765         * tree-pass.h (register_one_dump_file): Add a prototype for
766         register_one_dump_file.
767         * toplev.c (compile_file): Call initialize_plugins.
768         (do_compile): Call invoke_plugin_callbacks.
769         (toplev_main): Call invoke_plugin_callbacks.
770         * common.opt: Add -fplugin= and -fplugin-arg-.
771         * gcc-plugin.h: New public header file for plugins to include.
772         * plugin.c: New source file.
773         * plugin.h: New internal header file.
774         * passes.c (register_one_dump_file): Make it external.
775         
776         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
777
778 2009-04-14  Diego Novillo  <dnovillo@google.com>
779
780         * doc/plugins.texi: New.
781         * doc/gccint.texi: Add reference to Plugins chapter.
782         * doc/invoke.texi: Document -fplugin and -fplugin-arg
783         * diagnostic.c (diagnostic_report_diagnostic): Warn about
784         loaded plugins, if any.
785         * timevar.def (TV_PLUGIN_INIT): Define.
786         (TV_PLUGIN_RUN): Define.
787         * plugin.c: Include timevar.h
788         (plugins_active_p): New.
789         (dump_active_plugins): New.
790         (debug_active_plugins): New.
791
792 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
793
794         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
795         library paths.
796         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
797
798 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
799
800         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
801         the same as a minus without a shift.
802
803 2009-04-14  Nick Clifton  <nickc@redhat.com>
804
805         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
806         comparisons with small integers will always produce a short
807         branch.
808
809 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
810
811         Merge:
812         2008-12-19  Diego Novillo  <dnovillo@google.com>
813
814         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
815
816 2000-04-14  Richard Guenther  <rguenther@suse.de>
817
818         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
819         verification.
820         (verify_gimple_assign_binary): Likewise.  Handle shifts and
821         rotates correctly.
822         (verify_gimple_phi): Print the mismatched argument position.
823         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
824         Fix types.
825         (vect_update_init_of_dr): Likewise.
826         * matrix-reorg.c (transform_access_sites): Do what the
827         comment suggests.
828         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
829
830 2009-04-13  Michael Eager <eager@eagercon.com>
831
832         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
833         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
834         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
835         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
836         remove duplicate config
837
838 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
839
840         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
841         file_name:line_number type locator of the call site.
842         
843 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
844
845         * genautomata.c: Put blank after comma.
846         (automaton_decls): New.
847         (struct unit_usage): Add comments to member next.
848         (store_alt_unit_usage): Keep the list ordered.
849         (unit_present_on_list_p, equal_alternatives_p): New.
850         (check_regexp_units_distribution): Check units distribution
851         correctness correctly.
852         (main): Don't write automata if error is found.  Return correct
853         exit code.
854         
855         * config/m68k/cf.md (cfv4_ds): Remove.
856         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
857         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
858
859         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
860         power4-load-ext, power4-store, power4-store-update,
861         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
862         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
863         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
864         power4-sqrt, power4-isync): Modify reservation to make correct
865         unit distribution to automata.
866
867         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
868         power5-store-update, power5-two, power5-three, power5-lmul,
869         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
870         
871 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
872
873         * except.c (pass_set_nothrow_function_flags): Set name and add
874         TODO_dump_func.
875         (set_nothrow_function_flags): Mention in the dump file when
876         changing a function to nothrow.
877
878 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
879
880         PR/39066
881         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
882         instead of unsigned long.
883
884 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
885
886         * config/arm/arm.c (return_used_this_function): Remove.
887         (arm_output_function_prologue): Remove use of
888         return_used_this_function.
889         (output_return_instruction): Replace use of
890         return_used_this_function
891         by cfun->machine->return_used_this_function.
892         (arm_output_epilogue): Likewise.
893         (arm_output_function_epilogue): Likewise.
894         (thumb_unexpanded_epilogue): Likewise.
895         * config/arm/arm.h (struct machine_function):
896         New member return_used_this_function.
897
898 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
899
900         * doc/install.texi: Correct description of default directory for
901         --with-gxx-include-dir.
902
903 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
904
905         * fold-const.c (build_range_check): Properly deal with enumeral and
906         boolean base types.
907
908 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
909
910         * doc/invoke.texi (max_gcse_passes): Remove documentation.
911         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
912         * params.h (MAX_GCSE_PASSES): Remove.
913         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
914         in sequence.  Remove ability to run multiple passes.
915         (bypass_jumps): Report run as third CPROP pass.
916
917 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
918
919         PR middle-end/39651
920         * except.c (can_throw_external): Look at each insn in a SEQUENCE
921         when deciding whether the whole SEQUENCE can throw.
922
923 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
924
925         PR target/39740
926         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
927         offseted label references.
928
929 2009-04-11  Jan Hubicka  <jh@suse.cz>
930
931         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
932
933 2009-04-11  Richard Guenther  <rguenther@suse.de>
934
935         PR middle-end/39732
936         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
937         return variables as TREE_ADDRESSABLE.
938
939 2009-04-11  Richard Guenther  <rguenther@suse.de>
940
941         PR tree-optimization/39713
942         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
943         reference trees have SSA_NAME operands.
944
945 2009-04-11  Richard Guenther  <rguenther@suse.de>
946
947         PR c/39712
948         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
949         address expressions.
950
951 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
952
953         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
954         match changes in Cygwin 1.7
955         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
956         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
957
958 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
959
960         PR tree-optimization/39701
961         * doc/invoke.texi (Optimization Options): Document change in
962         meaning and initialization of -fdelete-null-pointer-checks.
963
964 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
965
966         PR middle-end/39701
967         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
968
969         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
970         here.
971
972         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
973
974 2009-04-10  Chao-ying Fu  <fu@mips.com>
975
976         * doc/tm.texi (Instruction Output): Document
977         TARGET_ASM_FINAL_POSTSCAN_INSN.
978         * target.h (final_postscan_insn): New field in asm_out.
979         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
980         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
981         * final.c (final_scan_insn): Call
982         targetm.asm_out.final_postscan_insn after outputting
983         an asm macro and a normal instruction.
984
985         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
986         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
987         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
988         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
989         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
990
991 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
992
993         PR middle-end/39701
994         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
995         variables as non-NULL even with -fdelete-null-pointer-checks.
996
997 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
998
999         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
1000
1001 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1002
1003         PR target/39678
1004         * config/i386/i386.c (classify_argument): Handle SCmode with
1005         (bit_offset % 64) != 0.
1006
1007 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
1008
1009         * doc/invoke.texi (Optimize Options): Add cross-reference to
1010         -Q --help=optimizers examples.
1011
1012 2009-04-10  Ben Elliston  <bje@au.ibm.com>
1013
1014         PR target/36800
1015         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
1016         regalign for the reg == fpr and TDmode case.
1017
1018 2009-04-09  David Ayers  <ayers@fsfe.org>
1019
1020         PR objc/29200
1021         * objc/objc-act.c (warn_with_method): Remove helper function.
1022         (check_duplicates): Call warning and inform directly.
1023         (really_start_method): Likewise.
1024
1025 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1026
1027         * expmed.c (expand_divmod): Always use a comparison for a division
1028         by a large unsigned integer.
1029
1030         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
1031         for things others than variables or functions as nonzero.
1032
1033 2009-04-09  Nick Clifton  <nickc@redhat.com>
1034
1035         * unwind-compat.c: Change copyright header to refer to version
1036         3 of the GNU General Public License with version 3.1 of the
1037         GCC Runtime Library Exception and to point readers at the
1038         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
1039         * config/alpha/crtfastmath.c: Likewise.
1040         * config/alpha/linux-unwind.h: Likewise.
1041         * config/alpha/qrnnd.asm: Likewise.
1042         * config/alpha/vms-crt0-64.c: Likewise.
1043         * config/alpha/vms-crt0.c: Likewise.
1044         * config/alpha/vms-dwarf2.asm: Likewise.
1045         * config/alpha/vms-dwarf2eh.asm: Likewise.
1046         * config/alpha/vms-psxcrt0-64.c: Likewise.
1047         * config/alpha/vms-psxcrt0.c: Likewise.
1048         * config/alpha/vms_tramp.asm: Likewise.
1049         * config/arc/initfini.c: Likewise.
1050         * config/arc/lib1funcs.asm: Likewise.
1051         * config/arm/bpabi-v6m.S: Likewise.
1052         * config/arm/bpabi.S: Likewise.
1053         * config/arm/bpabi.c: Likewise.
1054         * config/arm/crti.asm: Likewise.
1055         * config/arm/crtn.asm: Likewise.
1056         * config/arm/ieee754-df.S: Likewise.
1057         * config/arm/ieee754-sf.S: Likewise.
1058         * config/arm/lib1funcs.asm: Likewise.
1059         * config/arm/libunwind.S: Likewise.
1060         * config/arm/linux-atomic.c: Likewise.
1061         * config/arm/mmintrin.h: Likewise.
1062         * config/arm/pr-support.c: Likewise.
1063         * config/arm/unaligned-funcs.c: Likewise.
1064         * config/arm/unwind-arm.c: Likewise.
1065         * config/arm/unwind-arm.h: Likewise.
1066         * config/avr/libgcc.S: Likewise.
1067         * config/bfin/crti.s: Likewise.
1068         * config/bfin/crtlibid.s: Likewise.
1069         * config/bfin/crtn.s: Likewise.
1070         * config/bfin/lib1funcs.asm: Likewise.
1071         * config/bfin/linux-unwind.h: Likewise.
1072         * config/cris/arit.c: Likewise.
1073         * config/cris/cris_abi_symbol.c: Likewise.
1074         * config/darwin-64.c: Likewise.
1075         * config/darwin-crt2.c: Likewise.
1076         * config/darwin-crt3.c: Likewise.
1077         * config/darwin.h: Likewise.
1078         * config/dbxelf.h: Likewise.
1079         * config/dfp-bit.c: Likewise.
1080         * config/dfp-bit.h: Likewise.
1081         * config/elfos.h: Likewise.
1082         * config/fixed-bit.c: Likewise.
1083         * config/fixed-bit.h: Likewise.
1084         * config/fp-bit.c: Likewise.
1085         * config/fp-bit.h: Likewise.
1086         * config/fr30/crti.asm: Likewise.
1087         * config/fr30/crtn.asm: Likewise.
1088         * config/fr30/lib1funcs.asm: Likewise.
1089         * config/freebsd-spec.h: Likewise.
1090         * config/frv/cmovd.c: Likewise.
1091         * config/frv/cmovh.c: Likewise.
1092         * config/frv/cmovw.c: Likewise.
1093         * config/frv/frvbegin.c: Likewise.
1094         * config/frv/frvend.c: Likewise.
1095         * config/frv/lib1funcs.asm: Likewise.
1096         * config/glibc-stdint.h: Likewise.
1097         * config/h8300/clzhi2.c: Likewise.
1098         * config/h8300/crti.asm: Likewise.
1099         * config/h8300/crtn.asm: Likewise.
1100         * config/h8300/ctzhi2.c: Likewise.
1101         * config/h8300/fixunssfsi.c: Likewise.
1102         * config/h8300/lib1funcs.asm: Likewise.
1103         * config/h8300/parityhi2.c: Likewise.
1104         * config/h8300/popcounthi2.c: Likewise.
1105         * config/i386/ammintrin.h: Likewise.
1106         * config/i386/att.h: Likewise.
1107         * config/i386/avxintrin.h: Likewise.
1108         * config/i386/biarch64.h: Likewise.
1109         * config/i386/bmmintrin.h: Likewise.
1110         * config/i386/cpuid.h: Likewise.
1111         * config/i386/cross-stdarg.h: Likewise.
1112         * config/i386/crtfastmath.c: Likewise.
1113         * config/i386/crtprec.c: Likewise.
1114         * config/i386/cygming-crtbegin.c: Likewise.
1115         * config/i386/cygming-crtend.c: Likewise.
1116         * config/i386/cygwin.asm: Likewise.
1117         * config/i386/emmintrin.h: Likewise.
1118         * config/i386/gmm_malloc.h: Likewise.
1119         * config/i386/gthr-win32.c: Likewise.
1120         * config/i386/i386.h: Likewise.
1121         * config/i386/immintrin.h: Likewise.
1122         * config/i386/linux-unwind.h: Likewise.
1123         * config/i386/linux64.h: Likewise.
1124         * config/i386/mm3dnow.h: Likewise.
1125         * config/i386/mmintrin-common.h: Likewise.
1126         * config/i386/mmintrin.h: Likewise.
1127         * config/i386/nmmintrin.h: Likewise.
1128         * config/i386/pmm_malloc.h: Likewise.
1129         * config/i386/pmmintrin.h: Likewise.
1130         * config/i386/smmintrin.h: Likewise.
1131         * config/i386/sol2-c1.asm: Likewise.
1132         * config/i386/sol2-ci.asm: Likewise.
1133         * config/i386/sol2-cn.asm: Likewise.
1134         * config/i386/sol2-gc1.asm: Likewise.
1135         * config/i386/tmmintrin.h: Likewise.
1136         * config/i386/unix.h: Likewise.
1137         * config/i386/w32-unwind.h: Likewise.
1138         * config/i386/wmmintrin.h: Likewise.
1139         * config/i386/x86-64.h: Likewise.
1140         * config/i386/x86intrin.h: Likewise.
1141         * config/i386/xmmintrin.h: Likewise.
1142         * config/ia64/crtbegin.asm: Likewise.
1143         * config/ia64/crtend.asm: Likewise.
1144         * config/ia64/crtfastmath.c: Likewise.
1145         * config/ia64/crti.asm: Likewise.
1146         * config/ia64/crtn.asm: Likewise.
1147         * config/ia64/fde-glibc.c: Likewise.
1148         * config/ia64/lib1funcs.asm: Likewise.
1149         * config/ia64/linux-unwind.h: Likewise.
1150         * config/ia64/quadlib.c: Likewise.
1151         * config/ia64/unwind-ia64.c: Likewise.
1152         * config/linux.h: Likewise.
1153         * config/m32c/m32c-lib1.S: Likewise.
1154         * config/m32c/m32c-lib2-trapv.c: Likewise.
1155         * config/m32c/m32c-lib2.c: Likewise.
1156         * config/m32r/initfini.c: Likewise.
1157         * config/m68hc11/larith.asm: Likewise.
1158         * config/m68hc11/m68hc11-crt0.S: Likewise.
1159         * config/m68k/cf.md: Likewise.
1160         * config/m68k/crti.s: Likewise.
1161         * config/m68k/crtn.s: Likewise.
1162         * config/m68k/lb1sf68.asm: Likewise.
1163         * config/m68k/linux-unwind.h: Likewise.
1164         * config/mcore/crti.asm: Likewise.
1165         * config/mcore/crtn.asm: Likewise.
1166         * config/mcore/lib1.asm: Likewise.
1167         * config/mips/linux-unwind.h: Likewise.
1168         * config/mips/loongson.h: Likewise.
1169         * config/mips/mips16.S: Likewise.
1170         * config/mmix/crti.asm: Likewise.
1171         * config/mmix/crtn.asm: Likewise.
1172         * config/pa/fptr.c: Likewise.
1173         * config/pa/hpux-unwind.h: Likewise.
1174         * config/pa/lib2funcs.asm: Likewise.
1175         * config/pa/linux-atomic.c: Likewise.
1176         * config/pa/linux-unwind.h: Likewise.
1177         * config/pa/milli64.S: Likewise.
1178         * config/pa/quadlib.c: Likewise.
1179         * config/pa/stublib.c: Likewise.
1180         * config/picochip/libgccExtras/adddi3.asm: Likewise.
1181         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
1182         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
1183         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
1184         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
1185         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
1186         * config/picochip/libgccExtras/divmod15.asm: Likewise.
1187         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
1188         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
1189         * config/picochip/libgccExtras/longjmp.asm: Likewise.
1190         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
1191         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
1192         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
1193         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
1194         * config/picochip/libgccExtras/setjmp.asm: Likewise.
1195         * config/picochip/libgccExtras/subdi3.asm: Likewise.
1196         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
1197         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
1198         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
1199         * config/rs6000/750cl.h: Likewise.
1200         * config/rs6000/altivec.h: Likewise.
1201         * config/rs6000/biarch64.h: Likewise.
1202         * config/rs6000/crtresfpr.asm: Likewise.
1203         * config/rs6000/crtresgpr.asm: Likewise.
1204         * config/rs6000/crtresxfpr.asm: Likewise.
1205         * config/rs6000/crtresxgpr.asm: Likewise.
1206         * config/rs6000/crtsavfpr.asm: Likewise.
1207         * config/rs6000/crtsavgpr.asm: Likewise.
1208         * config/rs6000/darwin-asm.h: Likewise.
1209         * config/rs6000/darwin-fallback.c: Likewise.
1210         * config/rs6000/darwin-fpsave.asm: Likewise.
1211         * config/rs6000/darwin-ldouble.c: Likewise.
1212         * config/rs6000/darwin-tramp.asm: Likewise.
1213         * config/rs6000/darwin-unwind.h: Likewise.
1214         * config/rs6000/darwin-vecsave.asm: Likewise.
1215         * config/rs6000/darwin-world.asm: Likewise.
1216         * config/rs6000/e500crtres32gpr.asm: Likewise.
1217         * config/rs6000/e500crtres64gpr.asm: Likewise.
1218         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1219         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1220         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1221         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1222         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1223         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1224         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1225         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1226         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1227         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1228         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1229         * config/rs6000/eabi-ci.asm: Likewise.
1230         * config/rs6000/eabi-cn.asm: Likewise.
1231         * config/rs6000/eabi.asm: Likewise.
1232         * config/rs6000/linux-unwind.h: Likewise.
1233         * config/rs6000/linux64.h: Likewise.
1234         * config/rs6000/paired.h: Likewise.
1235         * config/rs6000/paired.md: Likewise.
1236         * config/rs6000/ppc64-fp.c: Likewise.
1237         * config/rs6000/ppu_intrinsics.h: Likewise.
1238         * config/rs6000/rs6000.h: Likewise.
1239         * config/rs6000/si2vmx.h: Likewise.
1240         * config/rs6000/sol-ci.asm: Likewise.
1241         * config/rs6000/sol-cn.asm: Likewise.
1242         * config/rs6000/spe.h: Likewise.
1243         * config/rs6000/spu2vmx.h: Likewise.
1244         * config/rs6000/sysv4.h: Likewise.
1245         * config/rs6000/tramp.asm: Likewise.
1246         * config/rs6000/vec_types.h: Likewise.
1247         * config/s390/linux-unwind.h: Likewise.
1248         * config/s390/tpf-unwind.h: Likewise.
1249         * config/score/crti.asm: Likewise.
1250         * config/score/crtn.asm: Likewise.
1251         * config/sh/crt1.asm: Likewise.
1252         * config/sh/crti.asm: Likewise.
1253         * config/sh/crtn.asm: Likewise.
1254         * config/sh/divtab-sh4-300.c: Likewise.
1255         * config/sh/divtab-sh4.c: Likewise.
1256         * config/sh/divtab.c: Likewise.
1257         * config/sh/lib1funcs-4-300.asm: Likewise.
1258         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1259         * config/sh/lib1funcs.asm: Likewise.
1260         * config/sh/lib1funcs.h: Likewise.
1261         * config/sh/linux-atomic.asm: Likewise.
1262         * config/sh/linux-unwind.h: Likewise.
1263         * config/sh/shmedia.h: Likewise.
1264         * config/sh/sshmedia.h: Likewise.
1265         * config/sh/ushmedia.h: Likewise.
1266         * config/sparc/crtfastmath.c: Likewise.
1267         * config/sparc/linux-unwind.h: Likewise.
1268         * config/sparc/sol2-c1.asm: Likewise.
1269         * config/sparc/sol2-ci.asm: Likewise.
1270         * config/sparc/sol2-cn.asm: Likewise.
1271         * config/spu/divmodti4.c: Likewise.
1272         * config/spu/divv2df3.c: Likewise.
1273         * config/spu/float_disf.c: Likewise.
1274         * config/spu/float_unsdidf.c: Likewise.
1275         * config/spu/float_unsdisf.c: Likewise.
1276         * config/spu/float_unssidf.c: Likewise.
1277         * config/spu/mfc_multi_tag_release.c: Likewise.
1278         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1279         * config/spu/mfc_tag_release.c: Likewise.
1280         * config/spu/mfc_tag_reserve.c: Likewise.
1281         * config/spu/mfc_tag_table.c: Likewise.
1282         * config/spu/multi3.c: Likewise.
1283         * config/spu/spu_internals.h: Likewise.
1284         * config/spu/spu_intrinsics.h: Likewise.
1285         * config/spu/spu_mfcio.h: Likewise.
1286         * config/spu/vec_types.h: Likewise.
1287         * config/spu/vmx2spu.h: Likewise.
1288         * config/stormy16/stormy16-lib2.c: Likewise.
1289         * config/svr4.h: Likewise.
1290         * config/sync.c: Likewise.
1291         * config/v850/lib1funcs.asm: Likewise.
1292         * config/vxlib-tls.c: Likewise.
1293         * config/vxlib.c: Likewise.
1294         * config/vxworks-dummy.h: Likewise.
1295         * config/xtensa/crti.asm: Likewise.
1296         * config/xtensa/crtn.asm: Likewise.
1297         * config/xtensa/ieee754-df.S: Likewise.
1298         * config/xtensa/ieee754-sf.S: Likewise.
1299         * config/xtensa/lib1funcs.asm: Likewise.
1300         * config/xtensa/lib2funcs.S: Likewise.
1301         * config/xtensa/linux-unwind.h: Likewise.
1302         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1303         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1304         * coretypes.h: Likewise.
1305         * crtstuff.c: Likewise.
1306         * defaults.h: Likewise.
1307         * dwarf2.h: Likewise.
1308         * emutls.c: Likewise.
1309         * gbl-ctors.h: Likewise.
1310         * gcov-io.h: Likewise.
1311         * ginclude/float.h: Likewise.
1312         * ginclude/iso646.h: Likewise.
1313         * ginclude/stdarg.h: Likewise.
1314         * ginclude/stdbool.h: Likewise.
1315         * ginclude/stddef.h: Likewise.
1316         * ginclude/stdfix.h: Likewise.
1317         * ginclude/stdint-gcc.h: Likewise.
1318         * ginclude/tgmath.h: Likewise.
1319         * gthr-aix.h: Likewise.
1320         * gthr-dce.h: Likewise.
1321         * gthr-gnat.c: Likewise.
1322         * gthr-gnat.h: Likewise.
1323         * gthr-lynx.h: Likewise.
1324         * gthr-mipssde.h: Likewise.
1325         * gthr-nks.h: Likewise.
1326         * gthr-posix.c: Likewise.
1327         * gthr-posix.h: Likewise.
1328         * gthr-posix95.h: Likewise.
1329         * gthr-rtems.h: Likewise.
1330         * gthr-single.h: Likewise.
1331         * gthr-solaris.h: Likewise.
1332         * gthr-tpf.h: Likewise.
1333         * gthr-vxworks.h: Likewise.
1334         * gthr-win32.h: Likewise.
1335         * gthr.h: Likewise.
1336         * libgcc2.c: Likewise.
1337         * libgcc2.h: Likewise.
1338         * libgcov.c: Likewise.
1339         * tsystem.h: Likewise.
1340         * typeclass.h: Likewise.
1341         * unwind-c.c: Likewise.
1342         * unwind-compat.h: Likewise.
1343         * unwind-dw2-fde-compat.c: Likewise.
1344         * unwind-dw2-fde-darwin.c: Likewise.
1345         * unwind-dw2-fde-glibc.c: Likewise.
1346         * unwind-dw2-fde.c: Likewise.
1347         * unwind-dw2-fde.h: Likewise.
1348         * unwind-dw2.c: Likewise.
1349         * unwind-dw2.h: Likewise.
1350         * unwind-generic.h: Likewise.
1351         * unwind-pe.h: Likewise.
1352         * unwind-sjlj.c: Likewise.
1353         * unwind.inc: Likewise.
1354         * config/arm/neon-gen.ml: Change generated copyright header to
1355         refer to version 3 of the GNU General Public License with
1356         version 3.1 of the GCC Runtime Library Exception and to point
1357         readers at the COPYING3 and COPYING3.RUNTIME files and the
1358         FSF's license web page.
1359         * config/arm/arm_neon.h: Regenerate.
1360
1361 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1362
1363         * config/cris/cris.md: Change copyright header to refer to version
1364         3 of the GNU General Public License.
1365         * doc/install.texi2html: Change copyright header to refer to version
1366         3 of the GNU General Public License and to point readers at the
1367         COPYING3 file and the FSF's license web page.
1368         * config/vax/linux.h: Likewise.
1369
1370 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1371
1372         * config/i386/i386.md (cmpcc): New.
1373         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1374         (sync_compare_and_swap_cc*): Delete.
1375
1376         * config/s390/s390.c (s390_compare_emitted): Remove.
1377         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1378         s390_compare_emitted used to be handled.  Assert that modes match.
1379         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1380         refer to sync_compare_and_swap_ccsi.
1381         * config/s390/s390.h (s390_compare_emitted): Remove.
1382         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1383         instead of s390_compare_emitted.
1384         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1385         instead of s390_compare_emitted.
1386         * config/s390/s390.md (cmpcc): New.
1387         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1388         CC_REGNUM, do not pretend it's set.
1389         (sync_compare_and_swap_cc*): Delete.
1390         * config/s390/predicates.md (cc_reg_operand): New.
1391
1392         * expr.c (sync_compare_and_swap_cc): Delete.
1393         * optabs.h (sync_compare_and_swap_cc): Delete.
1394         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1395         is being used with can_compare_p.
1396         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1397         (find_cc_set): New.
1398         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1399         look for a MODE_CC set instead.  Use emit_store_flag.
1400         (expand_compare_and_swap_loop): Likewise, with some additional
1401         complication to avoid a force_reg when useless.  Use
1402         emit_cmp_and_jump_insns.
1403         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1404         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1405         sync_compare_and_swap documentation.
1406
1407 2009-04-09  Jan Hubicka  <jh@suse.cz>
1408
1409         * except.c (find_prev_try): Break out from ....
1410         (duplicate_eh_regions): ... here; properly update prev_try pointers
1411         when duplication part of tree.
1412         (dump_eh_tree): Improve dumping.
1413         (verify_eh_region): New.
1414         (verify_eh_tree): Use it.
1415
1416 2009-04-06  Richard Guenther  <rguenther@suse.de>
1417
1418         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1419         &ARRAY addresses by adjusting their types and prepending
1420         a conversion.
1421         * tree-cfg.c (verify_gimple_assign_single): Verify that
1422         addresses are correct.
1423
1424 2009-04-09  Richard Guenther  <rguenther@suse.de>
1425
1426         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1427         indices into an array reference if possible.
1428         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1429         Fold POINTER_PLUS_EXPR statements with invariant address.
1430
1431 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1432
1433         PR target/39634
1434         * config.gcc (powerpc64-*-linux*): Always build biarch.
1435
1436 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1437
1438         PR c/39613
1439         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1440         it and pedwarn if this results in an INTEGER_CST.
1441
1442 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1443
1444         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1445         text in MPFR section.
1446
1447 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1448
1449         * dwarf2out.c (class_scope_p): New static inline.
1450         (class_or_namespace_scope_p): Use it.
1451         (gen_variable_die): Use DW_TAG_member tag for static data member
1452         declarations instead of DW_TAG_variable.
1453
1454         PR middle-end/39573
1455         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1456         variables.
1457
1458 2009-04-08  Richard Guenther  <rguenther@suse.de>
1459
1460         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1461         valueize random data.
1462
1463 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1464
1465         * config.gcc (aix tm_file):  Add aix-stdint.h.
1466         (aix tm clause use_gcc_stdint):  Set to wrap.
1467         * config/rs6000/aix-stdint.h:  New file.
1468         
1469 2009-04-08  Richard Guenther  <rguenther@suse.de>
1470
1471         PR middle-end/36291
1472         * tree-dfa.c (add_referenced_var): Do not recurse into
1473         global initializers.
1474         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1475         exposed variables.
1476         (fold_const_aggregate_ref): Likewise.
1477
1478 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1479
1480         * recog.c (ordered_comparison_operator): New.
1481         * gensupport.c (std_preds): Add it.
1482         * doc/md.texi (Machine-Independent Predicates): Document it.
1483
1484 2009-04-08  Jan Hubicka  <jh@suse.cz>
1485
1486         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1487         * function.h (rtl_eh): Remove exception_handler_label_map.
1488         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1489         remove_exception_handler_label, for_each_eh_label_1): Remove.
1490         (rtl_remove_unreachable_regions): Remove.
1491         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1492         (find_exception_handler_labels): Don't build the hashtable.
1493         (maybe_remove_eh_handler): Remove.
1494         (for_each_eh_label): Rewrite to walk the tree.
1495         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1496         * except.h (maybe_remove_eh_handler): Remove.
1497         * passes.c (init_optimization_passes): Schedule second EH cleanup
1498         before out-of-ssa.
1499         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1500         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1501
1502 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1503
1504         * genoutput.c (validate_optab_operands): New.
1505         (gen_insn, gen_expand): Call it.
1506
1507         * genflags.c (gen_insn): Detect misused iterators.
1508         (main): Pass line_no to gen_insn, exit with status 1 on error.
1509
1510         * genextract.c (line_no): Make global.
1511         (VEC_safe_set_locstr): Change assertion to error message.
1512         (main): Exit with status 1 on error.
1513
1514 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1515
1516         PR c/39614
1517         PR c/39673
1518         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1519         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1520         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1521         * c-convert.c (convert): Do not call fold on results of conversion
1522         functions when the result is a C_MAYBE_CONST_EXPR.
1523         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1524         of __builtin_choose_expr.
1525         * c-typeck.c (remove_c_maybe_const_expr): New.
1526         (build_unary_op, build_conditional_expr, build_compound_expr,
1527         build_binary_op, c_objc_common_truthvalue_conversion): Call
1528         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1529         integer operands.
1530
1531 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1532
1533         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1534         CODE to produce a new one. Add a prototype to use fold_convert_const
1535
1536 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1537
1538         PR bootstrap/39660
1539         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1540         mix declarations and code.
1541
1542 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1543
1544         * gcc.c: Replace `CC' with `GCC' throughout.
1545
1546 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1547
1548         * doc/invoke.texi: Document Atom support.
1549
1550 2009-04-07  Jason Merrill  <jason@redhat.com>
1551
1552         PR c++/25185
1553         * c-common.h, c-common.c: Add flag_pretty_templates.
1554         * c-opts.c (c_common_handle_option): Set it.
1555         * c.opt: Add -fno-pretty-templates.
1556         * doc/invoke.texi (C++ Dialect Options): Likewise.
1557
1558 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1559
1560         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1561         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1562         (ia64_expand_builtin): Likewise.
1563
1564 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1565
1566         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1567         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1568         ADDR_EXPRS are include too.
1569
1570 2009-04-07  Richard Guenther  <rguenther@suse.de>
1571
1572         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1573         decls are only used if passes as parameters or if they are
1574         local statics and the call is not to a builtin.
1575         (call_may_clobber_ref_p_1): Likewise.
1576
1577 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1578
1579         * expr.c (do_store_flag): Remove last argument.  Simplify code
1580         to avoid duplication of tests already done by can_compare_p.
1581         (expand_expr_real_1): Adjust caller.
1582
1583 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1584
1585         * optabs.c (can_compare_p): Test the predicate of a
1586         cbranch and cstore pattern.
1587
1588 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1589
1590         * expr.c (convert_move): Use emit_store_flag instead of
1591         "emulating" it.
1592
1593 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1594
1595         * config/i386/i386.c (ix86_compare_emitted): Remove.
1596         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1597         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1598         * config/i386/i386.h (ix86_compare_emitted): Remove.
1599         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1600         instead of ix86_compare_emitted.
1601         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1602
1603 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1604
1605         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1606         Add t-sysroot-suffix to tmake_file.
1607         * config/print-sysroot-suffix.sh: New file.
1608         * config/t-sysroot-suffix: New file.
1609
1610 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1611
1612         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1613         as the latter produces a warning when the target does not support
1614         infinity.
1615
1616 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1617
1618         * dfp.c: Replace type punning assignments with memcpy throughout.
1619         * Makefile.in (dfp.o-warn): Remove.
1620         
1621 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1622
1623         PR target/39634
1624         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1625         Include soft-fp/t-softfp after rs6000/t-linux64.
1626
1627 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1628
1629         * stor-layout.c (set_sizetype): Use the full precision of their
1630         machine mode for bitsize types.
1631
1632 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1633
1634         * config/i386/i386.md: Revert 2 accidental checkins.
1635
1636 2009-04-06  Joey Ye  <joey.ye@intel.com>
1637             Xuepeng Guo <xuepeng.guo@intel.com>
1638             H.J. Lu  <hongjiu.lu@intel.com>
1639
1640         Atom pipeline model, tuning and insn selection.
1641         * config.gcc (atom): Add atom config options and target.
1642
1643         * config/i386/atom.md: New.
1644
1645         * config/i386/i386.c (atom_cost): New cost.
1646         (m_ATOM): New macro flag.
1647         (initial_ix86_tune_features): Set m_ATOM.
1648         (x86_accumulate_outgoing_args): Likewise.
1649         (x86_arch_always_fancy_math_387): Likewise.
1650         (processor_target): Add Atom cost.
1651         (cpu_names): Add Atom cpu name.
1652         (override_options): Set Atom ISA.
1653         (ix86_issue_rate): New case PROCESSOR_ATOM.
1654         (ix86_adjust_cost): Likewise.
1655
1656         * config/i386/i386.h (TARGET_ATOM): New target macro.
1657         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1658         (TARGET_OPT_AGU): New target option.
1659         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1660         (processor_type): Add PROCESSOR_ATOM.
1661
1662         * config/i386/i386.md (cpu): Add new value "atom".
1663         (use_carry, movu): New attr.
1664         (atom.md): Include atom.md.
1665         (adddi3_carry_rex64): Set attr "use_carry".
1666         (addqi3_carry): Likewise.
1667         (addhi3_carry): Likewise.
1668         (addsi3_carry): Likewise.
1669         (*addsi3_carry_zext): Likewise.
1670         (subdi3_carry_rex64): Likewise.
1671         (subqi3_carry): Likewise.
1672         (subhi3_carry): Likewise.
1673         (subsi3_carry): Likewise.
1674         (x86_movdicc_0_m1_rex64): Likewise.
1675         (*x86_movdicc_0_m1_se): Likewise.
1676         (x86_movsicc_0_m1): Likewise.
1677         (*x86_movsicc_0_m1_se): Likewise.
1678         (*adddi_1_rex64): Emit add insn as much as possible.
1679         (*addsi_1): Likewise.
1680         (return_internal): Set atom_unit.
1681         (return_internal_long): Likewise.
1682         (return_pop_internal): Likewise.
1683         (*rcpsf2_sse): Set atom_sse_attr attr.
1684         (*qrt<mode>2_sse): Likewise.
1685         (*prefetch_sse): Likewise.
1686
1687         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1688         PROCESSOR_ATOM.
1689         (ix86_target_macros_internal): Likewise.
1690
1691         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1692         (*prefetch_sse_rex): Likewise.
1693         (sse_rcpv4sf2): Likewise.
1694         (sse_vmrcpv4sf2): Likewise.
1695         (sse_sqrtv4sf2): Likewise.
1696         (<sse>_vmsqrt<mode>2): Likewise.
1697         (sse_ldmxcsr): Likewise.
1698         (sse_stmxcsr): Likewise.
1699         (*sse_sfence): Likewise.
1700         (sse2_clflush): Likewise.
1701         (*sse2_mfence): Likewise.
1702         (*sse2_lfence): Likewise.
1703         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1704         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1705         (avx_movdqu<avxmodesuffix>): Likewise.
1706         (avx_lddqu<avxmodesuffix>): Likewise.
1707         (sse2_movntv2di): Change attr "type" to "ssemov".
1708         (sse2_movntsi): Likewise.
1709         (rsqrtv8sf2): Change attr "type" to "sseadd".
1710         (sse3_addsubv2df3): Set attr "atom_unit".
1711         (sse3_h<plusminus_insn>v4sf3): Likewise.
1712         (*sse2_pmaddwd): Likewise.
1713         (*vec_extractv2di_1_rex64): Likewise.
1714         (*vec_extractv2di_1_avx): Likewise.
1715         (sse2_psadbw): Likewise.
1716         (ssse3_phaddwv8hi3): Likewise.
1717         (ssse3_phaddwv4hi3): Likewise.
1718         (ssse3_phadddv4si3): Likewise.
1719         (ssse3_phadddv2si3): Likewise.
1720         (ssse3_phaddswv8hi3): Likewise.
1721         (ssse3_phaddswv4hi3): Likewise.
1722         (ssse3_phsubwv8hi3): Likewise.
1723         (ssse3_phsubwv4hi3): Likewise.
1724         (ssse3_phsubdv4si3): Likewise.
1725         (ssse3_phsubdv2si3): Likewise.
1726         (ssse3_phsubswv8hi3): Likewise.
1727         (ssse3_phsubswv4hi3): Likewise.
1728         (ssse3_pmaddubsw128): Likewise.
1729         (sse3_pmaddubsw: Likewise.
1730         (ssse3_palignrti): Likewise.
1731         (ssse3_palignrdi): Likewise.
1732
1733 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1734
1735         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1736
1737 2009-04-06  Richard Guenther  <rguenther@suse.de>
1738
1739         PR tree-optimization/28868
1740         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1741         of which PHI results we inserted.
1742         (insert_into_preds_of_block): Record inserted PHIs.
1743         (eliminate): Eliminate redundant PHI nodes.
1744         (init_pre): Init inserted_phi_names.
1745
1746 2009-04-06  Richard Guenther  <rguenther@suse.de>
1747
1748         PR tree-optimization/39643
1749         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1750         IMAGPART_EXPRs of complex constants.
1751         (execute_fold_all_builtins): If we folded a call queue
1752         TODO_update_address_taken.
1753
1754 2009-04-06  Jan Hubicka  <jh@suse.cz>
1755
1756         PR middle-end/39659
1757         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1758         flag.
1759
1760 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1761
1762         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1763         delay slot.
1764         (ic_invalidate_array): Likewise.
1765
1766 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1767
1768         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1769         alignment for library calls.
1770
1771 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1772
1773         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1774         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1775         * config/i386/mingw-stdint.h:  New file.
1776
1777 2009-04-05  Richard Guenther  <rguenther@suse.de>
1778
1779         PR tree-optimization/39648
1780         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1781         our &A vs. &A[0] IL deficiencies.
1782
1783 2009-04-04  Jan Hubicka  <jh@suse.cz>
1784
1785         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1786         removed toplevel regions.
1787         (sjlj_mark_call_sites): Likewise.
1788
1789 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1790
1791         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1792         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1793         * config/i386/cygwin-stdint.h:  New file.
1794
1795 2009-04-04  Richard Guenther  <rguenther@suse.de>
1796
1797         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1798         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1799         single-argument PHIs if we are in loop-closed SSA form.
1800         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1801         for the pre-condition.
1802         (slpeel_tree_peel_loop_to_edge): Likewise.
1803         (vect_build_loop_niters): Take an optional sequence to append stmts.
1804         (vect_generate_tmps_on_preheader): Likewise.
1805         (vect_do_peeling_for_loop_bound): Take extra guards for the
1806         pre-condition.
1807         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1808         the cost model check.
1809         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1810         guards if we are going to peel.  Do not apply versioning in that case.
1811         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1812         (vect_do_peeling_for_loop_bound): Likewise.
1813         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1814         loop bound only record extra pre-conditions, do not apply loop
1815         versioning.
1816
1817 2009-04-04  Richard Guenther  <rguenther@suse.de>
1818
1819         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1820         renaming code.
1821
1822 2009-04-04  Jan Hubicka  <jh@suse.cz>
1823
1824         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1825         last_basic_block for size of bb->index indexed array.
1826         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1827         compute_out, link_btr_uses, build_btr_def_use_webs,
1828         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1829
1830 2009-04-04  Jan Hubicka  <jh@suse.cz>
1831
1832         * except.c (remove_eh_handler_and_replace): Break out from ...
1833         (remove_eh_handler): ... here.
1834         (bring_to_root): New function.
1835         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1836         handled ones, bring others to root of tree.
1837
1838 2009-04-04  Jan Hubicka  <jh@suse.cz>
1839
1840         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1841         (all_phis_safe_to_merge): New function.
1842         (update_info): New structure.
1843         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1844         (cleanup_empty_eh): Update SSA if possible.
1845
1846 2009-04-04  Richard Guenther  <rguenther@suse.de>
1847
1848         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1849         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1850         (append_vuse): Likewise.
1851
1852 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1853
1854         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1855         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1856         instead of REG_UNSAVED for DW_CFA_undefined.
1857         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1858         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1859         outermost frame.
1860
1861 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1862
1863         PR target/39501
1864         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1865         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1866         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1867
1868 2009-04-04  Richard Guenther  <rguenther@suse.de>
1869
1870         PR tree-optimization/8781
1871         PR tree-optimization/37892
1872         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1873         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1874         (valueize_refs): Call it for *& valueizations.
1875         (shared_reference_ops_from_ref): Rename to ...
1876         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1877         (shared_reference_ops_from_call): Rename to ...
1878         (valueize_shared_reference_ops_from_call): ... this and valueize.
1879         (vn_reference_lookup): Update.
1880         (visit_reference_op_call): Likewise.
1881         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1882         (eliminate): Value-replace the call address in call statements.
1883
1884 2009-04-04  Richard Guenther  <rguenther@suse.de>
1885
1886         PR tree-optimization/39636
1887         * tree-ssa-forwprop.c
1888         (forward_propagate_addr_into_variable_array_index): Check for
1889         GIMPLE_ASSIGN before accessing the rhs code.
1890
1891 2009-04-03  Jason Merrill  <jason@redhat.com>
1892
1893         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1894
1895 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1896
1897         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1898         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1899         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1900         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1901         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1902         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1903         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1904         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1905         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1906         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1907         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1908         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1909         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1910         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1911         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1912         Use fr_reg_or_fp01_operand instead of fr_register_operand
1913
1914         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1915         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1916         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1917
1918 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1919
1920         PR rtl-optimization/39607
1921         PR rtl-optimization/39631
1922
1923         Revert:
1924         
1925         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1926         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1927         instead of DF_LR_OUT.
1928         * ira-lives.c (process_bb_node_lives): Ditto.
1929         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1930         instead of DF_LR_{OUT,IN}.
1931         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1932         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1933
1934 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1935
1936         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1937         (execute_lower_omp): Always run but take the short way out if -fopenmp
1938         is not given.
1939         (gate_lower_omp): Remove, forcing the pass manager to always run the
1940         pass and always set PROP_gimple_lomp.
1941         (pass_lower_omp): Remove gate function.
1942         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1943         PROP_trees.  Instead, require it.
1944         * ipa-cp.c (pass_ipa_cp): Likewise.
1945         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1946         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1947         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1948         and PROP_gimple_leh.
1949
1950 2009-04-03  Richard Guenther  <rguenther@suse.de>
1951
1952         PR middle-end/13146
1953         PR tree-optimization/23940
1954         PR tree-optimization/33237
1955         PR middle-end/33974
1956         PR middle-end/34093
1957         PR tree-optimization/36201
1958         PR tree-optimization/36230
1959         PR tree-optimization/38049
1960         PR tree-optimization/38207
1961         PR tree-optimization/38230
1962         PR tree-optimization/38301
1963         PR tree-optimization/38585
1964         PR middle-end/38895
1965         PR tree-optimization/38985
1966         PR tree-optimization/39299
1967         * tree-ssa-structalias.h: Remove.
1968         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1969         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1970         (struct vuse_element_d): Remove.
1971         (struct vuse_vec_d): Likewise.
1972         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1973         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1974         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1975         VUSE_ELEMENT_VAR): Likewise.
1976         (struct voptype_d): Likewise.
1977         (NUM_VOP_FREE_BUCKETS): Likewise.
1978         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1979         (struct stmt_operands_d): Remove.
1980         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1981         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1982         VDEF_NUM, VDEF_VECT): Likewise.
1983         (copy_virtual_operands): Remove.
1984         (operand_build_cmp): Likewise.
1985         (create_ssa_artificial_load_stmt): Likewise.
1986         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1987         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1988         vuse_index and mayuse_index members.  Pack and move done and iter_type
1989         members to the front.
1990         (SSA_OP_VMAYUSE): Remove.
1991         (SSA_OP_VIRTUAL_USES): Adjust.
1992         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1993         (unlink_stmt_vdef): Declare.
1994         (add_to_addressable_set): Remove.
1995         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1996         (vrp_visit_stmt): Likewise.
1997         * doc/tree-ssa.texi (Alias analysis): Update.
1998         * doc/invoke.texi (max-aliased-vops): Remove docs.
1999         (avg-aliased-vops): Likewise.
2000         * tree-into-ssa.c (syms_to_rename): Remove.
2001         (need_to_update_vops_p): Likewise.
2002         (need_to_initialize_update_ssa_p): Rename to ...
2003         (update_ssa_initialized_fn): ... this.  Track function we are
2004         initialized for.
2005         (symbol_marked_for_renaming): Simplify.
2006         (add_new_name_mapping): Do not set need_to_update_vops_p.
2007         (dump_currdefs): Use SYMS_TO_RENAME.
2008         (rewrite_update_stmt): Always walk all uses/defs.
2009         (dump_update_ssa): Adjust.
2010         (init_update_ssa): Take function argument.  Track what we are
2011         initialized for.
2012         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
2013         (create_new_def_for): Initialize for cfun, assert we are initialized
2014         for cfun.
2015         (mark_sym_for_renaming): Simplify.
2016         (mark_set_for_renaming): Do not initialize update-ssa.
2017         (need_ssa_update_p): Simplify.  Take function argument.
2018         (name_mappings_registered_p): Assert we ask for the correct function.
2019         (name_registered_for_update_p): Likewise.
2020         (ssa_names_to_replace): Likewise.
2021         (release_ssa_name_after_update_ssa): Likewise.
2022         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
2023         (dump_decl_set): Do not print a newline.
2024         (debug_decl_set): Do it here.
2025         (dump_update_ssa): And here.
2026         * tree-ssa-loop-im.c (move_computations): Adjust.
2027         (movement_possibility): Likewise.
2028         (determine_max_movement): Likewise.
2029         (gather_mem_refs_stmt): Likewise.
2030         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
2031         or NAME_MEMORY_TAG.
2032         * tree-complex.c (update_all_vops): Remove.
2033         (expand_complex_move): Adjust.
2034         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
2035         Simplify test for memory referencing statement.  Exclude
2036         non-invariant ADDR_EXPRs.
2037         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
2038         * tree-loop-distribution.c (generate_memset_zero): Adjust.
2039         (rdg_flag_uses): Likewise.
2040         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
2041         related code.
2042         (tree_optimize_tail_calls_1): Also split the
2043         edge from the entry block if we have degenerate PHI nodes in
2044         the first basic block.
2045         * tree.c (init_ttree): Remove memory-tag related code.
2046         (tree_code_size): Likewise.
2047         (tree_node_structure): Likewise.
2048         (build7_stat): Re-write to be build6_stat.
2049         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
2050         (SSA_VAR_P): Adjust.
2051         (struct tree_memory_tag): Remove.
2052         (struct tree_memory_partition_tag): Likewise.
2053         (union tree_node): Adjust.
2054         (build7): Re-write to be build6.
2055         * tree-pass.h (pass_reset_cc_flags): Remove.
2056         (TODO_update_address_taken): New flag.
2057         (pass_simple_dse): Remove.
2058         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
2059         * params.h (MAX_ALIASED_VOPS): Remove.
2060         (AVG_ALIASED_VOPS): Likewise.
2061         * omp-low.c (expand_omp_taskreg): Update SSA form.
2062         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
2063         aliases the lhs in a copy stmt.
2064         * tree-ssa-dse.c (struct address_walk_data): Remove.
2065         (memory_ssa_name_same): Likewise.
2066         (memory_address_same): Likewise.
2067         (get_kill_of_stmt_lhs): Likewise.
2068         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
2069         unused stores.  Look through PHI nodes into post-dominated regions.
2070         (dse_optimize_stmt): Simplify.  Properly remove stores.
2071         (tree_ssa_dse): Compute dominators.
2072         (execute_simple_dse): Remove.
2073         (pass_simple_dse): Likewise.
2074         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
2075         gimple_loaded_syms and gimple_stored_syms computation.
2076         * toplev.c (dump_memory_report): Dump alias and pta stats.
2077         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
2078         (vn_reference_eq): Likewise.
2079         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
2080         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
2081         valueize_vuses): Remove.
2082         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
2083         (get_def_ref_stmt_vuse): ... this.
2084         (vn_reference_lookup_2): New function.
2085         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
2086         walking equivalent vuses.  Simplify.
2087         (vn_reference_lookup): Likewise.
2088         (vn_reference_insert): Likewise.
2089         (vn_reference_insert_pieces): Likewise.
2090         (visit_reference_op_call): Simplify.
2091         (visit_reference_op_load): Likewise.
2092         (visit_reference_op_store): Likewise.
2093         (init_scc_vn): Remove shared_lookup_vuses initialization.
2094         (free_scc_vn): Remove shared_lookup_vuses freeing.
2095         (sort_vuses, sort_vuses_heap): Remove.
2096         (get_ref_from_reference_ops): Export.
2097         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
2098         vector with single vuse pointer.
2099         (vn_reference_lookup_pieces, vn_reference_lookup,
2100         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
2101         (shared_vuses_from_stmt): Remove.
2102         (get_ref_from_reference_ops): Declare.
2103         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
2104         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
2105         memory-tag related code.
2106         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
2107         (likely_value): Add comment, skip static-chain of call statements.
2108         (surely_varying_stmt_p): Adjust.
2109         (gimplify_and_update_call_from_tree): Likewise.
2110         (execute_fold_all_builtins): Do not rebuild alias info.
2111         (gimplify_and_update_call_from_tree): Properly update VOPs.
2112         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
2113         (copy_ref_info): Remove memory-tag related code.
2114         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
2115         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
2116         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
2117         computation.
2118         * tree-ssa-dom.c (gimple_p): Remove typedef.
2119         (eliminate_redundant_computations): Adjust.
2120         (record_equivalences_from_stmt): Likewise.
2121         (avail_expr_hash): Likewise.
2122         (avail_expr_eq): Likewise.
2123         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
2124         (stmt_makes_single_load): Likewise.
2125         (stmt_makes_single_store): Likewise.
2126         * tree-ssa-alias.c: Rewrite completely.
2127         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
2128         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
2129         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
2130         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
2131         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
2132         Remove public functions.
2133         (pass_reset_cc_flags): Remove.
2134         (pass_build_alias): Move ...
2135         * tree-ssa-structalias.c (pass_build_alias): ... here.
2136         * tree-ssa-alias.c (may_be_aliased): Move ...
2137         * tree-flow-inline.h (may_be_aliased): ... here.
2138         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
2139         count_uses_and_derefs): Move ...
2140         * gimple.c: ... here.
2141         * gimple.h (count_uses_and_derefs): Declare.
2142         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
2143         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
2144         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
2145         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
2146         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
2147         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
2148         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
2149         New functions.
2150         * tree-dfa.c (refs_may_alias_p): Move ...
2151         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
2152         * tree-ssa-alias.h: New file.
2153         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
2154         (statement_sink_location): Likewise.
2155         * opts.c (decode_options): Do not adjust max-aliased-vops or
2156         avg-aliased-vops values.
2157         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
2158         (TV_CALL_CLOBBER): Likewise.
2159         (TV_FLOW_SENSITIVE): Likewise.
2160         (TV_FLOW_INSENSITIVE): Likewise.
2161         (TV_MEMORY_PARTITIONING): Likewise.
2162         (TV_ALIAS_STMT_WALK): New timevar.
2163         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
2164         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
2165         (get_address_description): Remove memory-tag related code.
2166         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
2167         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
2168         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
2169         and immediate uses in statements.  Document.
2170         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
2171         (dump_symbols): Remove.
2172         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
2173         * alias.c (get_deref_alias_set): New function split out from ...
2174         (get_alias_set): ... here.
2175         * alias.h (get_deref_alias_set): Declare.
2176         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
2177         type parameter.  Remove restrict pointer handling.  Create a
2178         ref-all pointer in case type-based alias sets do not conflict.
2179         (vect_analyze_data_refs): Remove SMT related code.
2180         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
2181         (vectorizable_load): Likewise.
2182         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
2183         (DR_SYMBOL_TAG, DR_VOPS): Remove.
2184         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
2185         Ignore vops and SMTs.
2186         (dr_analyze_alias): Likewise..
2187         (free_data_ref): Likewise.
2188         (create_data_ref): Likewise.
2189         (analyze_all_data_dependences): Likewise.
2190         (get_references_in_stmt): Adjust.
2191         * tree-flow-inline.h (gimple_aliases_computed_p,
2192         gimple_addressable_vars, gimple_call_clobbered_vars,
2193         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
2194         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
2195         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
2196         gimple_mem_ref_stats): Remove.
2197         (gimple_vop): New function.
2198         (op_iter_next_use): Remove vuses and mayuses cases.
2199         (op_iter_next_def): Remove vdefs case.
2200         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
2201         (clear_and_done_ssa_iter): Do not set removed fields.
2202         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
2203         Assert we are not iterating over vuses or vdefs if not also
2204         iterating over uses or defs.
2205         (op_iter_init_use): Likewise.
2206         (op_iter_init_def): Likewise.
2207         (op_iter_next_vdef): Remove.
2208         (op_iter_next_mustdef): Likewise.
2209         (op_iter_init_vdef): Likewise.
2210         (compare_ssa_operands_equal): Likewise.
2211         (link_use_stmts_after): Handle vuse operand.
2212         (is_call_used): Use is_call_clobbered.
2213         (is_call_clobbered): Global variables are always call clobbered,
2214         query the call-clobbers bitmap.
2215         (mark_call_clobbered): Ignore global variables.
2216         (clear_call_clobbered): Likewise.
2217         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2218         virtual operands sanity check.
2219         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2220         Remove.
2221         (TARGET_MEM_REF): Remove TMR_TAG operand.
2222         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2223         Remove call-clobber related code.
2224         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2225         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2226         partitions or escape reason.
2227         (get_single_def_stmt, get_single_def_stmt_from_phi,
2228         get_single_def_stmt_with_phi): Remove.
2229         (dump_referenced_vars): Tidy.
2230         (get_ref_base_and_extent): Allow bare decls.
2231         (collect_dfa_stats): Adjust.
2232         * graphite.c (rename_variables_in_stmt): Adjust.
2233         (graphite_copy_stmts_from_block): Likewise.
2234         (translate_clast): Likewise.
2235         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2236         (EXPR_DIES): New.
2237         (translate_vuse_through_block): Use the oracle.
2238         (phi_translate_1): Adjust.
2239         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2240         in EXPR_DIES.
2241         (valid_in_sets): Check if the VUSE for
2242         a REFERENCE is available.
2243         (eliminate): Do not remove stmts during elimination,
2244         instead queue and remove them afterwards.
2245         (do_pre): Do not rebuild alias info.
2246         (pass_pre): Run TODO_rebuild_alias before PRE.
2247         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2248         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2249         (mark_all_v_defs_stmt): Remove.
2250         (mark_all_v_defs_seq): Adjust.
2251         (sra_replace): Likewise.
2252         (scalarize_use): Likewise.
2253         (scalarize_copy): Likewise.
2254         (scalarize_init): Likewise.
2255         (scalarize_ldst): Likewise.
2256         (todoflags): Remove.
2257         (tree_sra): Do not rebuild alias info.
2258         (tree_sra_early): Adjust.
2259         (pass_sra): Run TODO_update_address_taken before SRA.
2260         * tree-predcom.c (set_alias_info): Remove.
2261         (prepare_initializers_chain): Do not call it.
2262         (mark_virtual_ops_for_renaming): Adjust.
2263         (mark_virtual_ops_for_renaming_list): Remove.
2264         (initialize_root_vars): Adjust.
2265         (initialize_root_vars_lm): Likewise.
2266         (prepare_initializers_chain): Likewise.
2267         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2268         (may_propagate_copy_into_stmt): Likewise.
2269         (merge_alias_info): Do nothing for now.
2270         (propagate_tree_value_into_stmt): Adjust.
2271         (stmt_may_generate_copy): Likewise.
2272         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2273         not mark symbols for renaming.
2274         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2275         with the same statement, make sure to update the new pointed-to one.
2276         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2277         call statements, do not mark symbols for renaming.
2278         (mark_operand_necessary): Dump something.
2279         (ref_may_be_aliased): New function.
2280         (mark_aliased_reaching_defs_necessary_1): New helper function.
2281         (mark_aliased_reaching_defs_necessary): Likewise.
2282         (mark_all_reaching_defs_necessary_1): Likewise.
2283         (mark_all_reaching_defs_necessary): Likewise.
2284         (propagate_necessity): Do not process virtual PHIs.  For
2285         non-aliased loads mark all reaching definitions as necessary.
2286         For aliased loads and stores mark the immediate dominating
2287         aliased clobbers as necessary.
2288         (visited): New global static.
2289         (perform_tree_ssa_dce): Free visited bitmap after propagating
2290         necessity.
2291         (remove_dead_phis): Perform simple dead virtual PHI removal.
2292         (remove_dead_stmt): Properly unlink virtual operands when
2293         removing stores.
2294         (eliminate_unnecessary_stmts): Schedule PHI removal after
2295         stmt removal.
2296         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2297         (process_replaceable): Likewise.
2298         (find_replaceable_in_bb): Likewise.
2299         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2300         based on the single gimple vop.
2301         (verify_flow_insensitive_alias_info): Remove.
2302         (verify_flow_sensitive_alias_info): Likewise.
2303         (verify_call_clobbering): Likewise.
2304         (verify_memory_partitions): Likewise.
2305         (verify_alias_info): Likewise.
2306         (verify_ssa): Adjust..
2307         (execute_update_addresses_taken): Export.  Update SSA
2308         manually.  Optimize only when optimizing.  Use a local bitmap.
2309         (pass_update_address_taken): Remove TODO_update_ssa, add
2310         TODO_dump_func.
2311         (pass_update_address_taken): Just use TODO_update_address_taken.
2312         (init_tree_ssa): Do not initialize addressable_vars.
2313         (verify_ssa): Verify new VUSE / VDEF properties.
2314         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2315         Do not call verify_alias_info.
2316         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2317         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2318         and callused solutions.  Do not free addressable_vars.
2319         Remove memory-tag related code.
2320         (warn_uninitialized_var): Aliases are always available.
2321         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2322         * lambda-code.c (can_put_in_inner_loop): Adjust.
2323         (can_put_after_inner_loop): Likewise.
2324         (perfect_nestify): Likewise.
2325         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2326         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2327         (vectorizable_conversion): Do not mark symbols for renaming.
2328         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2329         (expand_call_inline): Unlink the calls virtual operands before
2330         replacing it.
2331         (tree_function_versioning): Do not call update_ssa if we are not
2332         updating clones.  Simplify.
2333         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2334         (propagate_with_phi): Likewise..
2335         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2336         clobber code.  Assert we are not aliased or global.
2337         * tree-flow.h: Include tree-ssa-alias.h
2338         (enum escape_type): Remove.
2339         (struct mem_sym_stats_d): Likewise.
2340         (struct mem_ref_stats_d): Likewise.
2341         (struct gimple_df): Add vop member.  Remove global_var,
2342         call_clobbered_vars, call_used_vars, addressable_vars,
2343         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2344         escaped and callused members.
2345         (struct ptr_info_def): Remove all members, add points-to solution
2346         member pt.
2347         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2348         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2349         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2350         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2351         (tree-ssa-alias.o): Likewise.
2352         (toplev.o): Add tree-ssa-alias.h
2353         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2354         * gimple.c (gimple_set_bb): Fix off-by-one error.
2355         (is_gimple_reg): Do not handle memory tags.
2356         (gimple_copy): Also copy virtual operands.
2357         Delay updating the statement.  Do not reset loaded and stored syms.
2358         (gimple_set_stored_syms): Remove.
2359         (gimple_set_loaded_syms): Likewise.
2360         (gimple_call_copy_skip_args): Copy the virtual operands
2361         and mark the new statement modified.
2362         * tree-ssa-structalias.c (may_alias_p): Remove.
2363         (set_uids_in_ptset): Take the alias set to prune with as
2364         parameter.  Fold in the alias test of may_alias_p.
2365         (compute_points_to_sets): Compute whether a ptr is dereferenced
2366         in a local sbitmap.
2367         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2368         other ADDRESSOF constraints on the lhs.
2369         (get_constraint_for_component_ref): Assert that we don't get
2370         ADDRESSOF constraints from the base of the reference.
2371         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2372         (struct variable_info): Remove collapsed_to member.
2373         (get_varinfo_fc): Remove.
2374         (new_var_info): Do not set collapsed_to.
2375         (dump_constraint): Do not follow cycles.
2376         (dump_constraint_graph): Likewise.
2377         (build_pred_graph): Likewise.
2378         (build_succ_graph): Likewise.
2379         (rewrite_constraints): Likewise.
2380         (do_simple_structure_copy): Remove.
2381         (do_rhs_deref_structure_copy): Remove.
2382         (do_lhs_deref_structure_copy): Remove.
2383         (collapse_rest_of_var): Remove.
2384         (do_structure_copy): Re-implement.
2385         (pta_stats): New global variable.
2386         (dump_pta_stats): New function.
2387         (struct constraint_expr): Make offset signed.
2388         (UNKNOWN_OFFSET): Define special value.
2389         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2390         (solution_set_expand): New helper function split out from ...
2391         (do_sd_constraint): ... here.
2392         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2393         (do_ds_constraint): Likewise.
2394         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2395         and CALLUSED = *CALLUSED.
2396         (set_union_with_increment): Make inc argument signed.
2397         (type_safe): Remove.
2398         (get_constraint_for_ptr_offset): Handle unknown and negative
2399         constant offsets.
2400         (first_vi_for_offset): Handle offsets before start.  Bail
2401         out early for offsets beyond the variable extent.
2402         (first_or_preceding_vi_for_offset): New function.
2403         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2404         Together with ESCAPED = *ESCAPED this properly computes reachability.
2405         (find_what_var_points_to): New function.
2406         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2407         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2408         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2409         pt_solutions_intersect): New functions.
2410         (compute_call_used_vars): Remove.
2411         (compute_may_aliases): New main entry into PTA computation.
2412         * gimple.h (gimple_p): New typedef.
2413         (struct gimple_statement_base): Remove references_memory_p.
2414         (struct gimple_statement_with_memory_ops_base): Remove
2415         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2416         members.
2417         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2418         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2419         gimple_set_references_memory): Remove.
2420         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2421         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2422         New functions.
2423         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2424         (verify_expr): Allow RESULT_DECL.
2425         (gimple_duplicate_bb): Do not copy virtual operands.
2426         (gimple_duplicate_sese_region): Adjust.
2427         (gimple_duplicate_sese_tail): Likewise.
2428         (mark_virtual_ops_in_region): Remove.
2429         (move_sese_region_to_fn): Do not call it.
2430         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2431         and pass_simple_dse.
2432         (execute_function_todo): Handle TODO_update_address_taken,
2433         call execute_update_addresses_taken for TODO_rebuild_alias.
2434         (execute_todo): Adjust.
2435         (execute_one_pass): Init dump files early.
2436         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2437         call-clobbered.
2438         (create_general_new_stmt): Clear vops.
2439         * tree-ssa-reassoc.c (get_rank): Adjust.
2440         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2441         symbols for renaming.
2442         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2443         (PARAM_AVG_ALIASED_VOPS): Likewise.
2444         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2445         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2446         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2447         (operand_build_cmp, copy_virtual_operands,
2448         create_ssa_artificial_load_stmt, add_to_addressable_set,
2449         gimple_add_to_addresses_taken): Remove public functions.
2450         (unlink_stmt_vdef): New function.
2451
2452 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2453
2454         * config.gcc (powerpc-*-linux*): Merge variants.
2455
2456 2009-04-02  Chao-ying Fu  <fu@mips.com>
2457             James Grosbach <james.grosbach@microchip.com>
2458
2459         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2460         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2461         cop0_sp_offset.
2462         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2463         keep_interrupts_masked_p, use_debug_exception_return_p.
2464         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2465         keep_interrupts_masked, use_debug_exception_return.
2466         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2467         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2468         New functions.
2469         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2470         (mips_print_operand): Process COP0 registers to print $0 .. $31
2471         correctly for GAS to process.
2472         (mips_interrupt_extra_call_saved_reg_p): New function.
2473         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2474         extra registers.
2475         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2476         (mips_compute_frame_info): Add supports for interrupt context that
2477         includes doubleword accumulators and COP0 registers.
2478         (mips_for_each_saved_acc): New function.
2479         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2480         mips_for_each_saved_reg.
2481         (mips_save_reg): Save accumulators.
2482         (mips_kernel_reg_p): A new for_each_rtx callback.
2483         (mips_expand_prologue): Support interrupt handlers.
2484         (mips_restore_reg): Restore accumulators.
2485         (mips_expand_epilogue): Support interrupt handlers.
2486         (mips_can_use_return_insn): Return false for interrupt handlers.
2487         (mips_epilogue_uses): New function.
2488         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2489         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2490         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2491         cop0_move): New instructions.
2492         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2493         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2494         defines.
2495         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2496         New defines.
2497         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2498         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2499         interrupt handlers, we use K0 as the temporary register.
2500         (EPILOGUE_USES): Change to a function call.
2501         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2502         handlers, we use K0 as the temporary register.
2503         
2504         * doc/extend.texi (Function Attributes): Document interrupt,
2505         use_shadow_register_set, keep_interrupts_masked,
2506         use_debug_exception_return for MIPS attributes.
2507
2508 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2509
2510         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2511         Remove a number of t-files from tmake_file.
2512         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2513         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2514         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2515         target_prototype, not TARGET_PROTOTYPE.
2516         (LINK_OS_GNU_SPEC): Define.
2517         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2518         and darwin-ldoubdle.c.
2519
2520 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2521
2522         PR driver/39293
2523         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2524         (cpp_options): Ditto.
2525         (default_compilers): Ditto.
2526         (display_help): Ditto.
2527         (process_command): Ditto.
2528         (do_spec_1): Ditto.
2529         (set_input): Use lbasename instead of duplicate code.
2530         (save_temps_prefix): New static for -save-temps=obj.
2531         (save_temps_length): Ditto.
2532         
2533         * doc/invoke.texi (-save-temps=obj): Document new variant to
2534         -save-temps switch.
2535
2536 2009-04-02  Jeff Law  <law@redhat.com>
2537
2538         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2539         variable.
2540
2541 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2542
2543         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2544         * configure: Regenerated.
2545
2546 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2547
2548         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2549         share the argument list.
2550
2551 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2552
2553         Merge
2554
2555         2009-02-12  Diego Novillo  <dnovillo@google.com>
2556
2557         * varpool.c (debug_varpool): New.
2558         * cgraph.h (debug_varpool): Declare.
2559
2560 2009-04-02  Jan Hubicka  <jh@suse.cz>
2561
2562         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2563         pass.
2564
2565 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2566
2567         * config/i386/i386.c (ix86_abi): Move initialization to ...
2568         (override_options): Here.
2569
2570 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2571
2572         * config/sh/sh.c (sh_dwarf_register_span): New function.
2573         (TARGET_DWARF_REGISTER_SPAN): Define.
2574         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2575         
2576 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2577
2578         PR tree-optimization/39595
2579         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2580         interleaved loads group is not  greater than the SLP group size.
2581
2582 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2583
2584         * builtins.c (is_builtin_name): New.
2585         (called_as_built_in): Use is_builtin_name.
2586         * tree.h (is_builtin_name): New.
2587         * varasm.c (incorporeal_function_p): Use is_builtin_name
2588
2589 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2590
2591         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2592
2593 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2594
2595         PR c++/26693
2596         * c-decl.c (clone_underlying_type): Move this ...
2597         * c-common.c (set_underlying_type): ... here.
2598         Also, make sure the function properly sets TYPE_STUB_DECL() on
2599         the newly created typedef variant type.
2600         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2601         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2602         points.
2603
2604 2009-04-02  Richard Guenther  <rguenther@suse.de>
2605
2606         PR tree-optimization/37221
2607         * tree-flow.h (degenerate_phi_result): Declare.
2608         * tree-ssa-dom.c (degenerate_phi_result): Export.
2609         * tree-scalar-evolution.c (analyze_initial_condition): If
2610         the initial condition is defined by a degenerate PHI node
2611         use the degenerate value.
2612
2613 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2614
2615         PR rtl-optimization/39588
2616         * combine.c (merge_outer_ops): Do not set the constant when this
2617         is not necessary.
2618         (simplify_shift_const_1): Do not modify it either in this case.
2619
2620 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2621
2622         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2623         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2624
2625 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2626
2627         PR c/29027
2628         * c-lex.c (interpret_float): Default (no suffix) is double.
2629
2630 2009-04-1  Xinliang David Li  <davidxl@google.com>
2631
2632         * config/i386/i386.c (legitimate_constant_p): Recognize
2633         all one vector constant.
2634
2635 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2636
2637         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2638         Change #include order to silence two warnings.
2639
2640 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2641
2642         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2643         (ASM_SPEC): Pass -k to the assembler for PIC code.
2644
2645 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2646
2647         * gcc/config.gcc: Add vax-*-linux* to the switch.
2648         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2649         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2650
2651 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2652
2653         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2654         Use predicate macros instead of GET_CODE() == foo.
2655         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2656         ashlsi3, rotrsi3, <unnamed>): Likewise.
2657
2658 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2659
2660         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2661         jbbccihi, jbbccisi): Remova trailing whitespace.
2662         * gcc/config/vax/constraints.md: Likewise.
2663         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2664         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2665         * gcc/config/vax/predicates.md: Likewise.
2666         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2667         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2668         * gcc/config/vax/vax.h: Likewise.
2669         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2670
2671 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2672
2673         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2674         (indirectable_address_p, adjacent_operands_p): Add spaces around
2675         braces.
2676         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2677
2678 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2679
2680         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2681         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2682         index_term_p, reg_plus_index_p, legitimate_address_p,
2683         vax_mode_dependent_address_p): Update comments to match functions
2684         modified by the recent int->bool conversion.
2685
2686 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2687
2688         * gcc/config/vax/builtins.md: Update copyright message.
2689         * gcc/config/vax/constraints.md: Likewise.
2690         * gcc/config/vax/netbsd-elf.h: Likewise.
2691         * gcc/config/vax/predicates.md: Likewise.
2692         * gcc/config/vax/vax-protos.h: Likewise.
2693         * gcc/config/vax/vax.c: Likewise.
2694         * gcc/config/vax/vax.h: Likewise.
2695         * gcc/config/vax/vax.md: Likewise.
2696         * gcc/config/vax/vax.opt: Likewise.
2697
2698 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2699
2700         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2701         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2702         * gcc/config/vax/constraints.md (B, R): Likewise.
2703         * gcc/config/vax/predicates.md (external_memory_operand,
2704         nonimmediate_addsub_di_operand): Likewise.
2705         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2706         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2707         untyped_call): Likewise.
2708
2709 2009-04-01  Matt Thomas <matt@3am-software.com>
2710
2711         * config/vax/predicates.md: New file.
2712         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2713         external_const_operand, nonsymbolic_operand, external_memory_operand,
2714         indirect_memory_operand, indexed_memory_operand,
2715         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2716         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2717         predicate.
2718         * config/vax/constraints.md: New file.
2719         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2720         New constraint.
2721         * config/vax/builtins.md: New file.
2722         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2723         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2724         jbbccisi): Define.
2725         * config/vax/vax.opt (mqmath): Add option.
2726         * config/vax/vax.md (isfx): Extend with DI.
2727         (VAXintQH, VAXintQHSD): Define.
2728         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2729         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2730         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2731         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2732         (movdi): Update constraints and use vax_output_int_move().
2733         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2734         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2735         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2736         nonlocal_goto): New.
2737         (mov<mode>): Extend accepted operand types.
2738         (subdi3_old): Rename from subdi3, change update constraints and use
2739         a new implementation.
2740         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2741         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2742         MOVE_RATIO, CLEAR_RATIO): Define.
2743         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2744         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2745         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2746         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2747         (split_quadword_operands): Make static and really allow variable
2748         splitting.
2749         (print_operand_address): Update for PIC generation.
2750         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2751         indexable_address_p, fixup_mathdi_operand,
2752         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2753         (vax_float_literal, legitimate_constant_p,
2754         indirectable_constant_address_p, index_term_p,
2755         reg_plus_index_p): Return bool instead of int.
2756         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2757         where needed.
2758         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2759         generation.
2760         (vax_output_conditional_branch): Indent.
2761         (legitimate_constant_address_p, indirectable_constant_address_p,
2762         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2763         vax_mode_dependent_address_p): Return bool instead of int, update for
2764         PIC generation.
2765         * config/vax/vax-protos.h (legitimate_constant_address_p,
2766         legitimate_constant_p, legitimate_address_p,
2767         vax_mode_dependent_address_p): Change declaration to bool.
2768         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2769         vax_expand_addsub_di_operands, vax_output_int_subtract,
2770         vax_output_movmemsi): Declare.
2771         (split_quadword_operands, vax_float_literal): Delete declaration.
2772         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2773         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2774         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2775         ASM_OUTPUT_DWARF_PCREL): Define.
2776         (ASM_SPEC): Change definition to allow PIC generation.
2777
2778 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2779
2780         * doc/sourcebuild.texi: Update front-end requirements.
2781
2782 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2783
2784         PR target/39226
2785         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2786         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2787         (booldi3_internal3): Use boolean_or_operator instead of
2788         boolean_operator.
2789
2790 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2791
2792         PR c/39605
2793         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2794         declarator whose size is not an integer constant expression but
2795         folds to an integer constant, then treat it as a constant
2796         subsequently.
2797
2798 2009-04-01  Richard Guenther  <rguenther@suse.de>
2799
2800         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2801         i * 4 + 2 to (i * 2 + 1) * 2.
2802
2803 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2804
2805         PR c/37772
2806         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2807         return if c_parser_asm_string_literal returned NULL.
2808
2809 2009-04-01  Nick Clifton  <nickc@redhat.com>
2810
2811         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2812         already defined.
2813         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2814         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2815         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2816         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2817         include it.
2818         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2819         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2820         then include it.
2821
2822 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2823
2824         * varasm.c (default_function_rodata_section): Declare DOT as
2825         const char*.
2826
2827 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2828             Andrey Galkin <agalkin@hypercom.com>
2829
2830         PR/39492
2831         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2832         Make object_name unique for each process.
2833
2834 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2835
2836         PR other/39591
2837         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2838         addressable variables in the parallel that could go out of scope while
2839         running queued tasks.
2840
2841 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2842
2843         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2844         (CASE_VALUES_THRESHOLD): Redefine.
2845         * config/avr/avr.c (avr_override_options): Remove initialization of
2846         avr_case_values_threshold variable.
2847         (avr_case_values_threshold): Remove variable. Add new function.
2848         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2849         * config/avr/avr.opt (mno-tablejump): Remove option.
2850         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2851
2852 2009-04-01  DJ Delorie  <dj@redhat.com>
2853
2854         * varasm.c (default_function_rodata_section): Don't assume
2855         anything about where the first '.' in the section name is.
2856
2857 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2858
2859         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2860         rs6000_emit_stack_tie.
2861
2862 2009-03-31  Ian Lance Taylor  <iant@google.com>
2863
2864         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2865         gimple_code with GIMPLE_RESX, not RESX.
2866
2867 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2868
2869         * c-common.c (c_get_ident): New.
2870         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2871
2872 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2873
2874         * config/rs6000/sysv4.opt (msdata): Improve option description.
2875
2876 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2877
2878         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2879         (divdf3_internal_lat): Remove.
2880         (divxf3_internal_lat): Remove.
2881         (divxf3_internal_thr): Remove.
2882         (divxf): Use divxf3_internal.
2883         * config/ia64/div.md (divsf3_internal_lat): New.
2884         (divdf3_internal_lat): New.
2885         (divxf3_internal): New.
2886
2887 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2888
2889         PR c/448
2890         * Makefile.in (USE_GCC_STDINT): Define.
2891         (stmp-int-hdrs): Install stdint.h if applicable.
2892         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2893         if known.
2894         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2895         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2896         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2897         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2898         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2899         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2900         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2901         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2902         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2903         (c_common_nodes_and_builtins): Initialize
2904         underlying_wchar_type_node.  Do not initialize
2905         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2906         nodes for new types.
2907         (c_stddef_cpp_builtins): Define macros for new types.
2908         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2909         Remove.
2910         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2911         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2912         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2913         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2914         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2915         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2916         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2917         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2918         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2919         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2920         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2921         int16_type_node, int32_type_node, int64_type_node,
2922         uint8_type_node, uint16_type_node, c_uint32_type_node,
2923         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2924         int_least32_type_node, int_least64_type_node,
2925         uint_least8_type_node, uint_least16_type_node,
2926         uint_least32_type_node, uint_least64_type_node,
2927         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2928         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2929         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2930         uintptr_type_node): Define.
2931         * c-cppbuiltin.c (builtin_define_constants,
2932         builtin_define_type_minmax): New.
2933         (builtin_define_stdint_macros): Define more macros.
2934         (c_cpp_builtins): Define more limit macros.
2935         (type_suffix): New.
2936         (builtin_define_type_max): Define in terms of
2937         builtin_define_type_minmax.  Remove is_long parameter.  All
2938         callers changed.
2939         * config.gcc (use_gcc_stdint): Define.
2940         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2941         Add newlib-stdint.h for generic targets.
2942         * config/glibc-stdint.h, config/newlib-stdint.h,
2943         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2944         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2945         * config/score/score.h (UINTPTR_TYPE): Define.
2946         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2947         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2948         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2949         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2950         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2951         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2952         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2953         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2954         * config/spu/spu.h (STDINT_LONG32): Define.
2955         * configure.ac (use_gcc_stdint): Substitute.
2956         * configure: Regenerate.
2957         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2958         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2959         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2960         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2961         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2962         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2963         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2964         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2965         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2966         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2967         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2968         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2969         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2970         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2971         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2972         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2973         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2974         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2975         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2976         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2977         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2978         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2979         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2980         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2981         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2982         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2983         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2984         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2985         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2986
2987 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2988
2989         * loop-iv.c (suitable_set_for_replacement): Renamed from
2990         simplify_using_assignment; changed to return bool and to accept new
2991         args DEST and SRC.  Return true iff we find a source/destination pair
2992         that can be used to make a replacement, and fill SRC and DEST if so.
2993         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2994         changed.
2995         (simplify_using_initial_values): Deal with altered regs here and track
2996         more precisely the effect they have on the validity of our expression.
2997
2998         * loop-iv.c (simplify_using_condition): A condition of the form
2999         (EQ REG CONST) can be used to simply make a substitution.
3000         (simplify_using_initial_values): Keep track of conditions we have seen
3001         and keep using them to simplify new expressions, while applying the
3002         same substitutions to them as to the expression.
3003
3004         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3005         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
3006         GEU/LTU reversed.
3007
3008         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
3009         changed.  Use this when trying to improve the upper bound.
3010         Generate the comparison by using simplify_gen_relational.
3011
3012         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
3013
3014         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
3015         functions.
3016         (simplify_using_assignment, simplify_using_initial_values): Call 
3017         replace_in_expr to make replacements.  Call replace_single_def_regs
3018         once on the initial version of the expression.
3019
3020 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3021
3022         PR target/27237
3023         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
3024         
3025 2009-03-31  Richard Guenther  <rguenther@suse.de>
3026
3027         PR middle-end/31029
3028         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
3029         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
3030
3031 2009-03-31  Richard Guenther  <rguenther@suse.de>
3032
3033         * tree.h (div_if_zero_remainder): Declare.
3034         * fold-const.c (div_if_zero_remainder): Export.
3035         * tree-ssa-forwprop.c
3036         (forward_propagate_addr_into_variable_array_index): Handle
3037         constant array index addition outside of the variable index.
3038
3039 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
3040
3041         PR target/39592
3042         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
3043         define_splits, floatunssi<mode>2): Require x87 conversions from
3044         DImode to be permitted.
3045
3046 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
3047
3048         PR preprocessor/15638
3049         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
3050
3051 2009-03-31  Richard Guenther  <rguenther@suse.de>
3052
3053         PR middle-end/23401
3054         PR middle-end/27810
3055         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
3056         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
3057         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
3058         a separate statement.
3059         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
3060         (lookup_tmp_var): Likewise.
3061         (is_gimple_formal_tmp_or_call_rhs): Remove.
3062         (is_gimple_reg_or_call_rhs): Rename to ...
3063         (is_gimple_reg_rhs_or_call): ... this.
3064         (is_gimple_mem_or_call_rhs): Rename to ...
3065         (is_gimple_mem_rhs_or_call): ... this.
3066         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
3067         DECL_GIMPLE_REG_P only if is_formal is true.
3068         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
3069         for non-proper post-modify expression gimplification.
3070         (gimplify_self_mod_expr): For post-modify expressions gimplify
3071         the lvalue to a minimal lvalue.
3072         (rhs_predicate_for): Remove formal temp case.
3073         (gimplify_modify_expr_rhs): Likewise.
3074         (gimplify_addr_expr): Use is_gimple_reg.
3075         (gimplify_expr): Remove formal temp cases.
3076         (gimple_regimplify_operands): Likewise.
3077         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
3078         and FILTER_EXPR like constants.
3079         * gimple.c (walk_gimple_op): Fix val_only initialization, use
3080         is_gimple_reg.
3081         (is_gimple_formal_tmp_rhs): Remove.
3082         (is_gimple_reg_rhs): Remove special casing.
3083         (is_gimple_mem_rhs): Fix.
3084         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
3085         (is_gimple_formal_tmp_var): Remove.
3086         (is_gimple_formal_tmp_reg): Likewise.
3087         (is_gimple_min_lval): Allow invariant component ref parts.
3088         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
3089         is_gimple_formal_tmp_reg): Remove declarations.
3090         * tree-cfg.c (verify_expr): Verify that variables with address
3091         taken do not have DECL_GIMPLE_REG_P set.
3092         * tree-mudflap.c (mf_build_check_statement_for): Use
3093         force_gimple_operand instead of gimplify_expr.
3094
3095 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
3096
3097         * modulo-sched.c (sms_schedule_by_order): Pass the actual
3098         schedulable rows to compute_split_row.
3099
3100 2009-03-31  Ben Elliston  <bje@au.ibm.com>
3101
3102         PR target/31635
3103         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
3104         OPT_mvrsave.
3105
3106 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
3107
3108         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
3109         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
3110         * configure: Regenerate.
3111         * config.in: Regenerate.
3112         * config/rs6000/rs6000.opt (mtls-markers): Add.
3113         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
3114         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
3115         (tls_ld_aix, tls_ld_sysv): Likewise.
3116         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
3117         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
3118
3119 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
3120
3121         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
3122
3123 2009-03-30  Jan Hubicka  <jh@suse.cz>
3124
3125         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
3126         out of RESX.
3127         (tree_remove_unreachable_handlers): Cleanup EH predecestor
3128         detection and label handling.
3129
3130 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3131
3132         * ira-int.h (ira_allocno): Rename left_conflicts_num to
3133         left_conflicts_size.
3134         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
3135         ALLOCNO_LEFT_CONFLICTS_SIZE.
3136
3137         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
3138         remove_allocno_from_bucket_and_push,
3139         allocno_spill_priority_compare, push_allocnos_to_stack,
3140         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3141         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
3142         (setup_allocno_left_conflicts_num): Ditto.  Rename to
3143         setup_allocno_left_conflicts_size.
3144         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3145         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
3146         setup_allocno_left_conflicts_size instead of
3147         setup_allocno_left_conflicts_num.
3148
3149         * ira-build.c (ira_create_allocno): Use
3150         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
3151         ALLOCNO_LEFT_CONFLICTS_NUM.
3152                 
3153 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3154
3155         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
3156         instead of DF_LR_OUT.
3157
3158         * ira-lives.c (process_bb_node_lives): Ditto.
3159
3160         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
3161         instead of DF_LR_{OUT,IN}.
3162
3163         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
3164
3165         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
3166
3167 2009-03-30  Jan Hubicka  <jh@suse.cz>
3168
3169         * except.c (label_to_region_map): Fix thinko.
3170
3171 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
3172
3173         PR middle-end/38237
3174         * tree.h (tree_find_value): New declaration.
3175         * tree.c (tree_find_value): New function.
3176         * varasm.c (assemble_external): Avoid duplicate entries on lists.
3177
3178 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
3179
3180         PR debug/39563
3181         * c-decl.c (struct c_binding): Add locus field.
3182         (bind): Add locus argument, set locus field from it.
3183         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
3184         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
3185         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
3186         implicitly_declare, undeclared_variable, lookup_label,
3187         declare_label, c_make_fname_decl, c_builtin_function,
3188         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
3189         bind callers.
3190
3191 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3192
3193         PR target/38781
3194         * config/i386/i386.c (classify_argument): Check total size of
3195         structure.
3196
3197 2009-03-30  Martin Jambor  <mjambor@suse.cz>
3198
3199         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
3200         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
3201         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
3202         respectively.
3203
3204         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
3205         seen_variable_array_ref while also traversing a union.
3206
3207         * tree-inline.c (optimize_inline_calls): Do not call
3208         cgraph_node_remove_callees.
3209         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3210         (pass_remove_cgraph_callee_edges): New variable.
3211         * passes.c (init_optimization_passes): Add
3212         pass_remove_cgraph_callee_edges after early inlining and before all
3213         late intraprocedural passes.
3214
3215         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3216
3217 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3218
3219         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3220         Fix typos in names.
3221
3222 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3223
3224         * combine.c (simplify_comparison): Use have_insn_for.
3225         * dojump.c (do_jump): Likewise.
3226
3227 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3228
3229         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3230         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3231         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3232         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3233         instead of sparc_compare_emitted.
3234         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3235         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3236         instead of sparc_compare_emitted.
3237
3238 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3239
3240         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3241         enter/exit cfglayout mode.
3242         (pass_partition_block): Require it.
3243         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3244         (combine_instructions): Track basic blocks instead of labels.
3245         (update_cfg_for_uncondjump): New.
3246         (try_combine): Use it.  Update jumps after rescanning.
3247         (pass_combine): Require PROP_cfglayout.
3248         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3249
3250 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3251
3252         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3253         Provide/destroy PROP_cfglayout respectively.
3254         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3255         * tree-pass.h (PROP_cfglayout): New.
3256
3257 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3258
3259         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3260         fold_convert_const_fixed_from_fixed,
3261         fold_convert_const_fixed_from_int,
3262         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3263         set TREE_CONSTANT_OVERFLOW.
3264         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3265         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3266
3267 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3268
3269         * tree-vect-loop-manip.c: New file.
3270         * tree-vectorizer.c: Update documentation and included files.
3271         (vect_loop_location): Make extern.
3272         (rename_use_op): Move to tree-vect-loop-manip.c
3273         (rename_variables_in_bb, rename_variables_in_loop, 
3274         slpeel_update_phis_for_duplicate_loop, 
3275         slpeel_update_phi_nodes_for_guard1,
3276         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3277         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3278         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3279         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3280         find_loop_location): Likewise.
3281         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3282         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3283         get_vectype_for_scalar_type, vect_is_simple_use,
3284         supportable_widening_operation, supportable_narrowing_operation):
3285         Likewise.
3286         (bb_in_loop_p): Move to tree-vect-loop.c.
3287         (new_loop_vec_info, destroy_loop_vec_info, 
3288         reduction_code_for_scalar_code, report_vect_op, 
3289         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3290         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3291         (vect_supportable_dr_alignment): Likewise.
3292         * tree-vectorizer.h (tree-data-ref.h): Include.
3293         (vect_loop_location): Declare.
3294         Reorganize function declarations according to the new file structure.
3295         * tree-vect-loop.c: New file.
3296         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3297         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3298         * tree-vect-data-refs.c: New file.
3299         * tree-vect-patterns.c (timevar.h): Don't include.
3300         * tree-vect-stmts.c: New file.
3301         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3302         tree-vect-slp.c, tree-vect-loop.c.
3303         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3304         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3305         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3306         (tree-vect-analyze.o): Remove.
3307         (tree-vect-transform.o): Likewise.
3308         (tree-vect-data-refs.o): Add rule.
3309         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3310         tree-vect-slp.o): Likewise.
3311         (tree-vect-patterns.o): Remove redundant dependencies.
3312         (tree-vectorizer.o): Likewise.
3313         * tree-vect-slp.c: New file.
3314
3315 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3316
3317         * optc-gen.awk: Warn if an option flag has multiple different
3318         help strings.
3319
3320 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3321
3322         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3323         -floop-block): Document dependences on PPL, CLooG and Graphite.
3324
3325 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3326
3327         PR rtl-optimization/323
3328         * c-common.c (c_fully_fold, convert_and_check,
3329         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3330         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3331         * c-common.def (EXCESS_PRECISION_EXPR): New.
3332         * c-cppbuiltin.c (builtin_define_float_constants): Define
3333         constants with enough digits for long double.
3334         * c-lex.c (interpret_float): Interpret constant with excess
3335         precision where appropriate.
3336         * c-opts.c (c_common_post_options): Set
3337         flag_excess_precision_cmdline.  Give an error for
3338         -fexcess-precision=standard for C++ for processors where the
3339         option is significant.
3340         * c-parser.c (c_parser_conditional_expression): Handle excess
3341         precision in condition.
3342         * c-typeck.c (convert_arguments): Handle arguments with excess
3343         precision.
3344         (build_unary_op): Move excess precision outside operation.
3345         (build_conditional_expr): Likewise.
3346         (build_compound_expr): Likewise.
3347         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3348         (build_modify_expr): Handle excess precision in RHS.
3349         (convert_for_assignment): Handle excess precision in converted
3350         value.
3351         (digest_init, output_init_element, process_init_element): Handle
3352         excess precision in initializer.
3353         (c_finish_return): Handle excess precision in return value.
3354         (build_binary_op): Handle excess precision in operands and add
3355         excess precision as needed for operation.
3356         * common.opt (-fexcess-precision=): New option.
3357         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3358         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3359         For standard excess precision, output explicit conversion to and
3360         truncation from XFmode.
3361         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3362         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3363         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3364         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3365         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3366         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3367         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3368         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3369         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3370         define_splits, sqrt<mode>2): Disable where appropriate for
3371         standard excess precision.
3372         * convert.c (convert_to_real): Do not shorten arithmetic to type
3373         for which excess precision would be used.
3374         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3375         * doc/invoke.texi (-fexcess-precision=): Document option.
3376         (-mfpmath=): Correct index entry.
3377         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3378         flag_excess_precision): New.
3379         * langhooks.c (lhd_post_options): Set
3380         flag_excess_precision_cmdline.
3381         * opts.c (common_handle_option): Handle -fexcess-precision=.
3382         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3383         init_excess_precision): New.
3384         (lang_dependent_init_target): Call init_excess_precision.
3385         * tree.c (excess_precision_type): New.
3386         * tree.h (excess_precision_type): Declare.
3387
3388 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3389
3390         PR c/35235
3391         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3392         non-lvalue to component.
3393
3394 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3395
3396         PR preprocessor/34695
3397         * Makefile.in (c-opts.o): Depend on c-tree.h.
3398         * c-common.c: Move down include of diagnostic.h.
3399         (done_lexing, c_cpp_error): New.
3400         * c-common.h (done_lexing): Declare.
3401         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3402         (parse_in).
3403         * c-opts.c: Include c-tree.h.
3404         (c_common_init_options): Set preprocessor error callback.
3405         (c_common_handle_option): Do not set preprocessor
3406         inhibit_warnings, warnings_are_errors, warn_system_headers,
3407         pedantic_errors or inhibit_warnings flags.
3408         (c_common_post_options): Do not check cpp_errors (parse_in).
3409         (c_common_finish): Do not output dependencies if there were
3410         errors.  Do not check return value of cpp_finish.
3411         * c-ppoutput.c (pp_file_change): Set input_location.
3412         * c-tree.h (c_cpp_error): Declare.
3413         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3414         override_column.
3415         (diagnostic_build_prefix): Check override_column.
3416         * diagnostic.h (diagnostic_info): Add override_column field.
3417         (diagnostic_override_column): Define.
3418
3419 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3420
3421         * c-common.c (c_expand_expr, c_staticp): Remove.
3422         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3423         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3424         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3425         * c-gimplify.c (gimplify_compound_literal_expr,
3426         optimize_compound_literals_in_ctor): Remove.
3427         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3428         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3429         * c-semantics.c (emit_local_var): Remove.
3430
3431         * langhooks-def.h (lhd_expand_expr): Remove.
3432         * langhooks.c (lhd_expand_expr): Remove.
3433         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3434
3435         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3436         handling from c-semantics.c; don't call into langhook.
3437         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3438         * gimplify.c (gimplify_compound_literal_expr,
3439         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3440         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3441         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3442         as was done in c-gimplify.c.
3443         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3444         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3445         Move from c-common.h.
3446         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3447
3448         * tree.c (staticp): Do not call langhook.
3449         * langhooks.c (lhd_staticp): Delete.
3450         * langhooks-def.h (lhd_staticp): Delete prototype.
3451         (LANG_HOOKS_STATICP): Delete.
3452         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3453
3454         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3455         instead of DECL_STMTs.
3456
3457 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3458
3459         PR c/456
3460         PR c/5675
3461         PR c/19976
3462         PR c/29116
3463         PR c/31871
3464         PR c/35198
3465         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3466         void_type_node.
3467         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3468         contained expression.
3469         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3470         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3471         conditional expressions for C.
3472         (decl_constant_value_for_optimization): Move from
3473         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3474         whether optimizing and that the expression is a VAR_DECL not of
3475         array type instead of doing such checks in the caller.  Do not
3476         check pedantic.  Call gcc_unreachable for C++.
3477         * c-common.def (C_MAYBE_CONST_EXPR): New.
3478         * c-common.h (c_fully_fold, c_save_expr,
3479         decl_constant_value_for_optimization): New prototypes.
3480         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3481         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3482         EXPR_INT_CONST_OPERANDS): Define.
3483         * c-convert.c (convert): Strip nops from expression.
3484         * c-decl.c (groktypename): Take extra parameters expr and
3485         expr_const_operands.  Update call to grokdeclarator.
3486         (start_decl): Update call to grokdeclarator.  Add statement for
3487         expressions used in type of decl.
3488         (grokparm): Update call to grokdeclarator.
3489         (push_parm_decl): Update call to grokdeclarator.
3490         (build_compound_literal): Add parameter non_const and build a
3491         C_MAYBE_COSNT_EXPR if applicable.
3492         (grokdeclarator): Take extra parameters expr and
3493         expr_const_operands.  Track expressions used in declaration
3494         specifiers and declarators.  Fold array sizes and track whether
3495         they are constant expressions and whether they are integer
3496         constant expressions.
3497         (parser_xref_tag): Set expr and expr_const_operands fields in
3498         return value.
3499         (grokfield): Update call to grokdeclarator.
3500         (start_function): Update call to grokdeclarator.
3501         (build_null_declspecs): Set expr and expr_const_operands fields in
3502         return value.
3503         (declspecs_add_type): Handle expressions in typeof specifiers.
3504         * c-parser.c (c_parser_declspecs): Set expr and
3505         expr_const_operands fields for declaration specifiers.
3506         (c_parser_enum_specifier): Likewise.
3507         (c_parser_struct_or_union_specifier): Likewise.
3508         (c_parser_typeof_specifier): Likewise.  Update call to
3509         groktypename.  Fold expression as needed.  Return expressions with
3510         type instead of adding statements.
3511         (c_parser_attributes): Update calls to c_parser_expr_list.
3512         (c_parser_statement_after_labels): Fold expression before passing
3513         to objc_build_throw_stmt.
3514         (c_parser_condition): Fold expression.
3515         (c_parser_asm_operands): Fold expression.
3516         (c_parser_conditional_expression): Use c_save_expr.  Update call
3517         to build_conditional_expr.
3518         (c_parser_alignof_expression): Update call to groktypename.
3519         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3520         original_code.  Fold expression argument of va_arg.  Create
3521         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3522         argument to va_arg.  Update calls to groktypename.  Fold array
3523         index for offsetof.  Verify that first argument to
3524         __builtin_choose_expr has integer type.
3525         (c_parser_postfix_expression_after_paren_type): Update calls to
3526         groktypename and build_compound_literal.  Handle expressions with
3527         side effects in type name.
3528         (c_parser_postfix_expression_after_primary): Update call to
3529         c_parser_expr_list.  Set original_code for calls to
3530         __builtin_constant_p.
3531         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3532         expressions if requested.
3533         (c_parser_objc_type_name): Update call to groktypename.
3534         (c_parser_objc_synchronized_statement): Fold expression.
3535         (c_parser_objc_receiver): Fold expression.
3536         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3537         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3538         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3539         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3540         (struct c_typespec): Add elements expr and expr_const_operands.
3541         (struct c_declspecs): Add elements expr and expr_const_operands.
3542         (groktypename, build_conditional_expr, build_compound_literal):
3543         Update prototypes.
3544         (in_late_binary_op): Declare.
3545         * c-typeck.c (note_integer_operands): New function.
3546         (in_late_binary_op): New variable.
3547         (decl_constant_value_for_broken_optimization): Move to c-common.c
3548         and rename to decl_constant_value_for_optimization.
3549         (default_function_array_conversion): Do not strip nops.
3550         (default_conversion): Do not call
3551         decl_constant_value_for_broken_optimization.
3552         (build_array_ref): Do not fold result.
3553         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3554         result when operand is a VLA.
3555         (c_expr_sizeof_type): Update call to groktypename.  Handle
3556         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3557         result when operand names a VLA type.
3558         (build_function_call): Update call to build_compound_literal.
3559         Only fold result for calls to __builtin_* functions.  Strip
3560         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3561         the function designator.
3562         (convert_arguments): Fold arguments.  Update call to
3563         convert_for_assignment.
3564         (build_unary_op): Handle increment and decrement of
3565         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3566         decrement earlier.  Fold operand of increment and decrement.
3567         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3568         built for integer operand.  Wrap returns that are INTEGER_CSTs
3569         without being integer constant expressions or that have integer
3570         constant operands without being INTEGER_CSTs.
3571         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3572         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3573         result is an integer constant expression or can be used in
3574         unevaluated parts of one and avoid folding and wrap as
3575         appropriate.  Fold operands before possibly doing -Wsign-compare
3576         warnings.
3577         (build_compound_expr): Wrap result for C99 if operands can be used
3578         in integer constant expressions.
3579         (build_c_cast): Update call to digest_init.  Do not ignore
3580         overflow from casting floating-point constants to integers.  Wrap
3581         results that could be confused with integer constant expressions,
3582         null pointer constants or floating-point constants.
3583         (c_cast_expr): Update call to groktypename.  Handle expressions
3584         included in type name.
3585         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3586         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3587         Update calls to convert_for_assignment.
3588         (convert_for_assignment): Take new parameter
3589         null_pointer_constant.  Do not strip nops or call
3590         decl_constant_value_for_broken_optimization.  Set
3591         in_late_binary_op for conversions to boolean.
3592         (store_init_value): Update call to digest_init.
3593         (digest_init): Take new parameter null_pointer_constant.  Do not
3594         call decl_constant_value_for_broken_optimization.  pedwarn for
3595         initializers not constant expressions.  Update calls to
3596         convert_for_assignment.
3597         (constructor_nonconst): New.
3598         (struct constructor_stack): Add nonconst element.
3599         (really_start_incremental_init, push_init_level, pop_init_level):
3600         Handle constructor_nonconst and nonconst element.
3601         (set_init_index): Call constant_expression_warning for array
3602         designators.
3603         (output_init_element): Fold value.  Set constructor_nonconst as
3604         applicable.  pedwarn for initializers not constant expressions.
3605         Update call to digest_init.  Call constant_expression_warning
3606         where constant initializers are required.
3607         (process_init_element): Use c_save_expr.
3608         (c_finish_goto_ptr): Fold expression.
3609         (c_finish_return): Fold return value.  Update call to
3610         convert_for_assignment.
3611         (c_start_case): Fold switch expression.
3612         (c_process_expr_stmt): Fold expression.
3613         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3614         ensure statement expression is not evaluated in constant expression.
3615         (build_binary_op): Track whether results are integer constant
3616         expressions or may occur in such, disable folding and wrap results
3617         as applicable.  Fold operands for -Wsign-compare warnings unless
3618         in_late_binary_op.
3619         (c_objc_common_truthvalue_conversion): Handle results folded to
3620         integer constants that are not integer constant expressions.
3621         * doc/extend.texi: Document when typeof operands are evaluated,
3622         that condition of __builtin_choose_expr is an integer constant
3623         expression, and more about use of __builtin_constant_p in
3624         initializers.
3625
3626 2009-03-29  Richard Guenther  <rguenther@suse.de>
3627
3628         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3629         propagate addresses of array references.
3630
3631 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3632
3633         * regmove.c (perhaps_ends_bb_p): Remove.
3634         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3635         from INSN and check that the main loop stays within that basic block.
3636         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3637         (regmove_forward_pass): Split out from regmove_optimize.  Use
3638         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3639         (regmove_backward_pass): Split out from regmove_optimize.  Use
3640         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3641         (regmove_optimize): Simplify.
3642
3643 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3644
3645         PR target/39545
3646         * config/i386/i386.c (classify_argument): Ignore flexible array
3647         member in struct and warn ABI change.
3648
3649 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3650
3651         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3652
3653         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3654         (ix86_adjust_cost): Updated.
3655
3656 2009-03-29  Jan Hubicka  <jh@suse.cz>
3657
3658         PR middle-end/28850
3659         * tree-pass.h (pass_cleanup_eh): New function.
3660         (remove_unreachable_regions): Break code handling RTL
3661         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3662         that can not be reached by runtime.
3663         (can_be_reached_by_runtime): New function.
3664         (label_to_region_map): New function.
3665         (num_eh_regions): New function.
3666         (rtl_remove_unreachable_regions): New function.
3667         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3668         (remove_eh_region): New function.
3669         * except.h: Include sbitmap and vecprim.
3670         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3671         num_eh_regions): Declare.
3672         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3673         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3674         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3675         (tree_empty_eh_handler_p): New function.
3676         (cleanup_empty_eh): New function.
3677         (cleanup_eh): New function.
3678         (pass_cleanup_eh): New function.
3679
3680 2009-03-29  Jan Hubicka  <jh@suse.cz>
3681
3682         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3683         for removed regions.
3684
3685 2009-03-29  Jan Hubicka  <jh@suse.cz>
3686
3687         * except.c (dump_eh_tree): Dump all datastructures.
3688
3689 2009-03-29  Jan Hubicka  <jh@suse.cz>
3690
3691         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3692         (duplicate_eh_regions_1): Likewise.
3693         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3694         vector; call EH verification.
3695         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3696         Be ready for region being removed.
3697
3698 2009-03-29  Jan Hubicka  <jh@suse.cz>
3699
3700         * bitmap.c (bitmap_last_set_bit): New function.
3701         * bitmap.h (bitmap_last_set_bit): Declare.
3702
3703 2009-03-29  David Ayers  <ayers@fsfe.org>
3704
3705         PR objc/27377
3706         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3707         by calling objc_compare_types and surpress warnings about
3708         incompatible C pointers that are compatible ObjC pointers.
3709         
3710 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3711
3712         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3713         call initialize_inline_failed.
3714         (initialize_inline_failed): Move it from here ...
3715         * cgraph.c (initialize_inline_failed): ... to here.
3716         (cgraph_create_edge): Call initialize_inline_failed rather than
3717         setting inline_failed directly.
3718
3719 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3720
3721         PR target/32542
3722         * sysv4.opt (msdata): Improve comment.
3723         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3724         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3725
3726 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3727
3728         PR target/30451
3729         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3730         load and store attributes.
3731
3732 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3733
3734         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3735         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3736         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3737         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3738         __builtin_infq and __builtin_huge_valq.
3739
3740 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3741
3742         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3743         atmega8m1 devices.
3744         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3745         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3746
3747 2009-03-28  Xinliang David Li  <davidxl@google.com>
3748
3749         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3750         (do_dbg_cnt): New function.
3751
3752 2009-03-28  Jan Hubicka  <jh@suse.cz>
3753
3754         Merge from pretty-ipa:
3755
3756         2009-03-27  Jan Hubicka  <jh@suse.cz>
3757
3758         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3759         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3760         * passes.c (function_called_by_processed_nodes_p): New.
3761         * ipa-pure-const.c (check_call): Fix handling of operands.
3762         (analyze_function): Dump debug output for skipped bodies.
3763         (local_pure_const): Use function_called_by_processed_nodes_p.
3764         * dwarf2out.c (reference_to_unused): Use output.
3765         * passes.c (do_per_function_toporder): Likewise.
3766
3767         2008-11-12  Jan Hubicka  <jh@suse.cz>
3768
3769         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3770         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3771         state_set_in_source enum
3772         (check_decl): Ignore memory tags; do not set fake looping flags;
3773         dump diagnostics.
3774         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3775         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3776         (check_call, analyze_function): Rewrite.
3777         (check_stmt): New.
3778         (add_new_function): Update call of analyze_function.
3779         (generate_summary): Add call of analyze_function.
3780         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3781         (local_pure_const): New function.
3782         (pass_local_pure_const): New pass.
3783         * ipa-inline.c (inline_transform): Set after_inlining.
3784         * tree-eh.c (stmt_can_throw_external): New.
3785         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3786         work with aliasing built.
3787         * tree-flow.h (stmt_can_throw_external): New.
3788         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3789         and local pure/const pass in early and late optimization queue.
3790
3791 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3792
3793         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3794         allow_func_align.
3795         (fold_binary): Allow function decl aligment consideration is the
3796         second argument is integer constant one.
3797         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3798         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3799         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3800
3801 2009-03-28  Jan Hubicka  <jh@suse.cz>
3802
3803         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3804         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3805         * function.h (rtl_data): Add nothrow flag.
3806         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3807         set DECL_NOTHROW for AVAILABLE functions.
3808
3809 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3810
3811         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3812         following vector keyword has expansion starting with pixel or bool
3813         keyword, expand vector to __vector and pixel or bool to __pixel or
3814         __bool.
3815
3816         PR c++/39554
3817         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3818         warn_if_disallowed_function_p): Removed.
3819         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3820         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3821         warning_if_disallowed_function_p.
3822         * flags.h (warn_if_disallowed_function_p,
3823         warn_disallowed_functions): Removed.
3824         * common.opt (Wdisallowed-function-list=): Removed.
3825         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3826
3827 2009-03-28  Richard Guenther  <rguenther@suse.de>
3828
3829         PR tree-optimization/38723
3830         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3831         the entry block.
3832
3833 2009-03-28  Jan Hubicka  <jh@suse.cz>
3834
3835         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3836         test introduced by my previous patch.
3837
3838 2009-03-28  Richard Guenther  <rguenther@suse.de>
3839
3840         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3841         the PHIs value undefined.
3842
3843 2009-03-28  Jan Hubicka  <jh@suse.cz>
3844
3845         * tree-pass.h (pass_fixup_cfg): New pass.
3846         * ipa-inline.c (inline_transform): Set
3847         always_inline_functions_inlined/after_inlining.
3848         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3849         (pass_fixup_cfg): New pass.
3850         * passes.c (init_optimization_passes): Add fixup_cfg.
3851
3852 2009-03-28  Richard Guenther  <rguenther@suse.de>
3853
3854         PR tree-optimization/38458
3855         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3856         argument use the arguments copy-of value.
3857
3858 2009-03-28  Richard Guenther  <rguenther@suse.de>
3859
3860         PR tree-optimization/38180
3861         * tree-ssa-ccp.c (get_default_value): Simplify.
3862         (likely_value): Likewise.
3863         (surely_varying_stmt_p): Properly handle VOP case.
3864         (ccp_initialize): Likewise.
3865         (ccp_fold): Handle propagating through *&.
3866         (fold_const_aggregate_ref): Also handle decls.
3867
3868 2009-03-28  Jan Hubicka  <jh@suse.cz>
3869
3870         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3871         * cgraph.h (cgraph_node): Likewise.
3872         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3873         (cgraph_reset_node): Use process flag.
3874         (cgraph_mark_functions_to_output): Likewise.
3875         (cgraph_expand_function): Likewise.
3876         (cgraph_expand_all_functions): Likewise.
3877         (cgraph_output_in_order): Likewise.
3878         * dwarf2out.c (reference_to_unused): Likewise.
3879         * passes.c do_per_function_toporder): Likewise.
3880
3881 2009-03-28  Jan Hubicka  <jh@suse.cz>
3882
3883         Bring from lto-branch:
3884
3885         2008-09-03  Doug Kwan  <dougkwan@google.com>
3886
3887         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3888         enums instead of reason strings.
3889         * cgraph.c (cgraph_create_edge): Same.
3890         (cgraph_inline_failed_string): New function.
3891         * cgraph.h (cgraph_inline_failed_t): New enum type.
3892         (cgraph_inline_failed_string): New prototype.
3893         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3894         char pointer to cgraph_inline_failed_t.
3895         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3896         (cgraph_default_inline_p): Ditto.
3897         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3898         to cgraph_inline_failed_t pointer.
3899         * cif-code.def: New file.
3900         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3901         reason string.
3902         (cgraph_check_inline_limits): Change type of REASON to pointer to
3903         cgraph_inline_failed_t.  Replace reason strings with enums.
3904         (cgraph_default_inline_p): Ditto.
3905         (cgraph_recursive_inlining_p): Ditto.
3906         (update_caller_keys): Change type of FAILED_REASON to
3907         cgraph_inline_failed_t.
3908         (cgraph_set_inline_failed): Change type of REASON to pointer to
3909         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3910         convert enums to strings for text output.
3911         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3912         to be of type cgraph_inline_failed_t.  Replace reason strings with
3913         enums.  Call cgraph_inline_failed_string to covert enums
3914         to strings for text output.
3915         (cgraph_decide_inlining): Replace reason strings with enums.
3916         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3917         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3918         for text output.
3919         * tree-inline.c (expand_call_inline): Change type of REASON
3920         to cgraph_inline_failed_t.  Replace reason strings with enums.
3921         Call cgraph_inline_failed_string for text output.
3922         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3923         (cgraph.o): Ditto.
3924
3925 2009-03-28  Jan Hubicka  <jh@suse.cz>
3926
3927         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3928         cgraph_clone_node): Remove master clone handling.
3929         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3930         * cgraph.h (master_clone): Remove.
3931         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3932         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3933         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3934
3935 2009-03-28  Jan Hubicka  <jh@suse.cz>
3936
3937         * cgraph.c (cgraph_function_body_availability): Functions declared
3938         inline are always safe to assume that it is not going to be replaced.
3939
3940 2009-03-28  Richard Guenther  <rguenther@suse.de>
3941
3942         PR tree-optimization/38513
3943         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3944         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3945         EXC_PTR_EXPR and FILTER_EXPR.
3946         (get_ref_from_reference_ops): Likewise.
3947
3948 2009-03-28  Richard Guenther  <rguenther@suse.de>
3949
3950         PR tree-optimization/38968
3951         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3952         Use FLOOR_MOD_EXPR to compute misalignment.
3953
3954 2009-03-28  Richard Guenther  <rguenther@suse.de>
3955
3956         PR tree-optimization/37795
3957         * tree.h (combine_comparisons): Declare.
3958         * fold-const.c (combine_comparisons): Export.
3959         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3960         comparisons.
3961         (ifcombine_iforif): Use combine_comparisons.
3962
3963 2009-03-28  Jan Hubicka  <jh@suse.cz>
3964
3965         * tree-eh.c (inlinable_call_p): New function.
3966         (make_eh_edges): Use it.
3967         (verify_eh_edges): Use it.
3968         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3969         * except.c (reachable_next_level): Add inlinable_function argument
3970         (sjlj_find_directly_reachable_regions): Update.
3971         (add_reachable_handler): Do not set saw_any_handlers.
3972         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3973         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3974         Add new inlinable call parameter.
3975         (can_throw_internal, can_throw_external): Update.
3976         * except.h (can_throw_internal_1, can_throw_external_1,
3977         foreach_reachable_handler): Update declaration.
3978
3979 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3980
3981         * config/arm/t-arm-coff, config/h8300/coff.h,
3982         config/i386/i386-aout.h, config/i386/i386-coff.h,
3983         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3984         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3985         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3986         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3987         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3988         sys-types.h: Remove.
3989         * Makefile.in: Remove protoize and fixproto support and references
3990         in comments.
3991         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3992         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3993         Remove.
3994         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3995         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3996         unprotoize$(exeext).
3997         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3998         (.PHONY): Don't depend on proto.
3999         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
4000         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
4001         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
4002         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
4003         build/gen-protos.o, build/scan.o, xsys-protos.h,
4004         build/fix-header$(build_exeext), build/fix-header.o,
4005         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
4006         stmp-install-fixproto): Remove.
4007         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
4008         SYSCALLS.c or fixproto files.
4009         (install-common): Don't install protoize.
4010         (install-headers-tar, install-headers-cpio, install-headers-cp):
4011         Don't depend on $(STMP_FIXPROTO).
4012         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
4013         install fixproto files or write out fixproto settings.
4014         (uninstall): Don't uninstall protoize.
4015         * config.gcc (use_fixproto): Remove.
4016         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
4017         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
4018         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
4019         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
4020         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
4021         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
4022         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
4023         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
4024         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
4025         * config/t-vxworks (STMP_FIXPROTO): Remove.
4026         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
4027         STMP_FIXPROTO): Remove.
4028         * config.in, configure: Regenerate.
4029         * crtstuff.c (gid_t, uid_t): Don't undefine.
4030         * doc/install.texi: Change m68k-coff to m68k-elf in example.
4031         (arm-*-coff, arm-*-aout: Remove target entries.
4032         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
4033         Remove mention of AIX 4.1.
4034         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
4035         * doc/invoke.texi (Running Protoize): Remove.
4036         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
4037         (Protoize Caveats): Remove.
4038         * tsystem.h: Update comments on headers assumed to exist.
4039
4040 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
4041
4042         * genautomata.c: Add a new year to the copyright.  Add a new
4043         reference.
4044         (struct insn_reserv_decl): Add comments for member bypass_list.
4045         (find_bypass): Remove.
4046         (insert_bypass): New.
4047         (process_decls): Use insert_bypass.
4048         (output_internal_insn_latency_func): Output all bypasses with the
4049         same input insn in one switch case.
4050
4051         * rtl.def (define_bypass): Describe bypass choice.
4052         * doc/md.texi (define_bypass): Ditto.
4053
4054 2009-03-27  Richard Guenther  <rguenther@suse.de>
4055
4056         * gimplify.c (mark_addressable): Export.
4057         * tree-flow.h (mark_addressable): Declare.
4058         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
4059         * tree-ssa.c (verify_phi_args): Verify that address taken
4060         variables have TREE_ADDRESSABLE set.
4061
4062 2009-03-27  Richard Guenther  <rguenther@suse.de>
4063
4064         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
4065         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
4066         Do not mark decls TREE_ADDRESSABLE.
4067         (build_fold_addr_expr): Adjust.
4068         (fold_addr_expr): Remove.
4069         (fold_unary): Use build_fold_addr_expr.
4070         (fold_comparison): Likewise.
4071         (split_address_to_core_and_offset): Likewise.
4072         * coverage.c (tree_coverage_counter_addr): Mark the array decl
4073         TREE_ADDRESSABLE.
4074         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
4075         (gimplify_modify_expr_to_memcpy): Mark source and destination
4076         addressable.
4077         * omp-low.c (create_omp_child_function): Mark the object decl
4078         TREE_ADDRESSABLE.
4079         (lower_rec_input_clauses): Mark the var we take the address of
4080         TREE_ADDRESSABLE.
4081         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
4082
4083 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4084
4085         PR middle-end/39315
4086         * cfgexpand.c (expand_one_stack_var_at): Change alignment
4087         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
4088
4089 2009-03-27  Richard Guenther  <rguenther@suse.de>
4090
4091         PR tree-optimization/39120
4092         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
4093         constraints.
4094         (handle_lhs_call): Process return constraints.  Add escape
4095         constraints if necessary.
4096         (handle_const_call): Fill out return constraints.  Make nested
4097         case more precise.  Avoid consttmp if possible.
4098         (handle_pure_call): Fill out return constraints.  Avoid
4099         callused if possible.
4100         (find_func_aliases): Simplify call handling.
4101
4102 2009-03-27  Richard Guenther  <rguenther@suse.de>
4103
4104         PR tree-optimization/39120
4105         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
4106         as a representative.
4107         (solve_graph): Do propagate CALLUSED.
4108         (handle_pure_call): Use a scalar constraint from CALLUSED for
4109         the return value.
4110         (find_what_p_points_to): CALLUSED shall not appear in poins-to
4111         solutions.
4112
4113 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4114
4115         PR c/39323
4116         * c-common.c (handle_aligned_attribute): Properly check alignment
4117         overflow.  Use (1U << i) instead of (1 << i).
4118
4119         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
4120
4121         * expr.h (get_mem_align_offset): Updated.
4122
4123         * tree.h (tree_decl_common): Change align to "unsigned int" and
4124         move it before pointer_alias_set.
4125
4126 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4127             Jakub Jelinek  <jakub@redhat.com>
4128
4129         PR target/38034
4130         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
4131         gr_register_operand with gr_reg_or_0_operand.
4132         (cmpxchg_rel_di): Likewise.
4133         (sync_lock_test_and_set<mode>): Likewise.
4134
4135 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4136
4137         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
4138         (true_regnum): Likewise.
4139
4140         * rtlanal.c (subreg_info): Moved to ...
4141         * rtl.h (subreg_info): Here.  New.
4142         (subreg_get_info): New.
4143
4144         * rtlanal.c (subreg_get_info): Make it extern.
4145
4146 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4147
4148         PR target/39472
4149         * config/i386/i386.c (ix86_abi): New.
4150         (override_options): Handle -mabi=.
4151         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
4152         (ix86_call_abi_override): Likewise.
4153         (init_cumulative_args): Likewise.
4154         (function_arg_advance): Likewise.
4155         (function_arg_64): Likewise.
4156         (function_arg): Likewise.
4157         (ix86_pass_by_reference): Likewise.
4158         (ix86_function_value_regno_p): Likewise.
4159         (ix86_build_builtin_va_list_abi): Likewise.
4160         (setup_incoming_varargs_64): Likewise.
4161         (is_va_list_char_pointer): Likewise.
4162         (ix86_init_machine_status): Likewise.
4163         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
4164         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
4165         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
4166         (ix86_function_abi): Make it static and return enum calling_abi.
4167         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
4168         with ix86_abi.
4169         (ix86_fn_abi_va_list): Updated.
4170
4171         * config/i386/i386.h (ix86_abi): New.
4172         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
4173         (CONDITIONAL_REGISTER_USAGE): Likewise.
4174         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
4175         (machine_function): Likewise.
4176
4177         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
4178         with ix86_abi.
4179         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
4180         (STACK_BOUNDARY): Likewise.
4181         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
4182
4183         * config/i386/i386.opt (mabi=): New.
4184
4185         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
4186         return enum calling_abi.
4187         (ix86_function_type_abi): Likewise.
4188         (ix86_function_abi): Removed.
4189
4190         * doc/invoke.texi: Document -mabi= option for x86.
4191
4192 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4193
4194         * builtins.c (real_dconstp): Delete.
4195         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
4196
4197 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
4198             Jakub Jelinek  <jakub@redhat.com>
4199
4200         PR debug/37959
4201         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
4202         (gen_subprogram_die): When a function is explicit, generate the
4203         DW_AT_explicit attribute.
4204         * langhooks.h (struct lang_hooks_for_decls): Add
4205         function_decl_explicit_p langhook.
4206         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
4207         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4208
4209 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
4210
4211         * builtins.c (fold_builtin_memory_op): Optimize memmove
4212         into memcpy if we can prove source and destination don't overlap.
4213
4214         * tree-inline.c: Include gt-tree-inline.h.
4215         (clone_fn_id_num): New variable.
4216         (clone_function_name): New function.
4217         (tree_function_versioning): Use it.
4218         * Makefile.in (GTFILES): Add tree-inline.c.
4219
4220 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4221
4222         * BASE-VER: Change to 4.5.0.
4223
4224 2009-03-27  Xinliang David Li  <davidxl@google.com>
4225
4226         PR tree-optimization/39557
4227         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4228
4229 2009-03-27  Xinliang David Li  <davidxl@google.com>
4230
4231         PR tree-optimization/39548
4232         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
4233         candidate check.
4234
4235 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4236
4237         * c-common.c (pointer_int_sum): Use %wd on return from
4238         tree_low_cst.
4239
4240 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4241
4242         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4243         on return from tree_low_cst.
4244
4245 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4246
4247         PR c++/36799
4248         * ginclude/stdarg.h (va_copy): Define also for
4249         __GXX_EXPERIMENTAL_CXX0X__.
4250
4251 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4252
4253         PR c++/35652
4254         * builtins.h (c_strlen): Do not warn here.
4255         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4256         * c-common.c (pointer_int_sum): Take an explicit location.
4257         Warn about offsets out of bounds.
4258         * c-common.h (pointer_int_sum): Adjust declaration.
4259
4260 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4261
4262         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4263         markup glitch.
4264
4265 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4266
4267         PR c++/39554
4268         * opts.c (warn_if_disallowed_function_p): Don't assume
4269         get_callee_fndecl must return non-NULL.
4270
4271 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4272
4273         PR rtl-optimization/39522
4274         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4275         when reg_reloaded_valid is set.
4276
4277 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4278
4279         * config/spu/divv2df3.c: New file.
4280         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4281         (DPBIT_FUNCS): Filter out _div_df.
4282
4283 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4284
4285         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4286         a jump insn, count that jump in the distance to the loop start.
4287
4288 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4289
4290         PR target/39523
4291         * config/sh/sh.c (calc_live_regs): Fix condition for global
4292         registers except PIC_OFFSET_TABLE_REGNUM.
4293
4294 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4295
4296         PR/39518
4297         * doc/invoke.texi (-mconsole): New.
4298         (-mcygwin): New.
4299         (-mno-cygwin): New.
4300         (-mdll): New.
4301         (-mnop-fun-dllimport): New.
4302         (-mthread): New.
4303         (-mwin32): New.
4304         (-mwindows): New.
4305         (sub section "i386 and x86-64 Windows Options"): New.
4306
4307 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4308
4309         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4310         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4311
4312 2009-03-25  Richard Guenther  <rguenther@suse.de>
4313
4314         PR middle-end/39497
4315         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4316         of -Wno-error.
4317
4318 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4319
4320         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4321         neither of haifa/selective schedulers are working.
4322
4323 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4324
4325         * doc/invoke.texi (Debugging Options): Fix description of
4326         -fno-merge-debug-strings.
4327
4328 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4329
4330         * config/cris/libgcc.ver: New version-script.
4331         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4332
4333         * configure.ac <GAS features, nop mnemonic>: Add pattern
4334         crisv32-*-* for "nop".
4335         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4336         * configure: Regenerate.
4337
4338 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4339
4340         PR tree-optimization/39529
4341         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4342         mark_sym_for_renaming for the tag copied to the new vector
4343         pointer.
4344
4345 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4346
4347         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4348         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4349         EXTRA_SPEC_FUNCTIONS.
4350         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4351         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4352         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4353         -march and -mtune options.
4354
4355 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4356
4357         * config/m68k/t-rtems: Add m5329 multilib.
4358
4359 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4360             Jakub Jelinek  <jakub@redhat.com>
4361
4362         PR debug/39524
4363         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4364         nodes.
4365
4366 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4367
4368         PR c/39495
4369         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4370         instead of c_parser_expression_conv, if original_code isn't one of the
4371         4 allowed comparison codes, fail.
4372
4373 2009-03-23  Richard Guenther  <rguenther@suse.de>
4374
4375         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4376         * tree.h (struct tree_type): Likewise.
4377         * reload.h (struct insn_chain): Likewise.
4378         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4379         * function.h (struct function): Likewise.
4380         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4381
4382 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4383
4384         PR tree-optimization/39516
4385         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4386
4387 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4388
4389         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4390         should be set true if BITS_PER_WORD of target is bigger than 32
4391
4392 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4393
4394         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4395         Translate -B-options to -rpath-link.  Correct existing
4396         rpath-link and conditionalize on !nostdlib.
4397
4398 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4399
4400         * doc/extend.texi (Function Attributes, Variable Attributes):
4401         Fix typos.
4402         * doc/invoke.texi (Debugging Options, Optimize Options)
4403         (i386 and x86-64 Options, MCore Options): Likewise.
4404
4405 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4406
4407         PR debug/37890
4408         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4409         it for block local namespace aliases.
4410         (gen_decl_die): Pass context_die to gen_namespace_die.
4411
4412 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4413
4414         PR c/39495
4415         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4416         minimum or maximum value.
4417
4418 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4419
4420         * reginfo.c (globalize_reg): Recompute derived reg sets.
4421
4422 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4423
4424         PR target/39063
4425         * libgcc2.c (mprotect): Do not use signed arguments for
4426         VirtualProtect, use DWORD arguments.  Also fix the 'may
4427         be used uninitialized' warning for the np variable.
4428
4429 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4430
4431         PR target/39496
4432         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4433         functions using regparm calling conventions when not optimizing.
4434         (ix86_function_sseregparm): Similarly for sseregparm calling
4435         conventions.
4436
4437 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4438
4439         PR middle-end/39500
4440         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4441         dependence if the first conflict is after niter iterations.
4442
4443 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4444
4445         PR middle-end/38609
4446         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4447         functions with dynamic stack-pointer adjustments.
4448
4449 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4450
4451         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4452         option; change to -msdata=data.
4453
4454 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4455
4456         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4457         and -fopenmp.
4458
4459 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4460
4461         PR target/35180
4462         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4463
4464 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4465
4466         * doc/invoke.texi (Code Gen Options): Expand discussion of
4467         -fno-common.
4468
4469 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4470
4471         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4472         * matrix-reorg.c (struct matrix_info): Likewise.
4473         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4474         * rtl.h (struct mem_attrs): Likewise.
4475         * df.h (struct df): Likewise.
4476         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4477         * ira-int.h (struct ira_allocno): Likewise.
4478         * df-scan.c (struct df_collection_rec): Likewise.
4479         * ira.c (struct equivalence): Likewise.
4480         * function.c (struct temp_slot): Likewise.
4481         * cfgloop.h (struct loop): Likewise.
4482
4483         PR debug/39485
4484         * function.c (use_register_for_decl): When not optimizing, disregard
4485         register keyword for variables with types containing methods.
4486
4487 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4488
4489         PR middle-end/39447
4490         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4491         (is_simple_operand): Call contains_component_ref_p before calling data
4492         reference analysis that would fail on COMPONENT_REFs.
4493
4494         * tree-vrp.c (search_for_addr_array): Fix formatting.
4495
4496 2009-03-18  Richard Guenther  <rguenther@suse.de>
4497
4498         * tree-vect-transform.c (vect_loop_versioning): Fold the
4499         generated comparisons.
4500         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4501         (slpeel_tree_peel_loop_to_edge): Likewise.
4502
4503 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4504
4505         PR middle-end/37805
4506         * opts.c (print_specific_help): In addition to `undocumented',
4507         accept `separate' and `joined' flags if passed alone.  Describe
4508         output by the first matched one of those.
4509         (common_handle_option): Skip over empty strings.
4510         * gcc.c (display_help): Fix help string for `--help='.
4511         * doc/invoke.texi (Option Summary, Overall Options): With
4512         `--help=', classes and qualifiers can both be repeated, but
4513         only the latter can be negated.  One should not pass only
4514         negated qualifiers.  Fix markup and examples.
4515
4516         Revert
4517         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4518         PR middle-end/37805
4519         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4520         and -fhelp=separate.
4521
4522 2009-03-17  Jing Yu  <jingyu@google.com>
4523
4524         PR middle-end/39378
4525         * function.h (struct rtl_data): Move is_thunk from here...
4526         (struct function): ...to here.
4527         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4528         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4529         cfun.
4530         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4531         cfun.
4532         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4533         (alpha_output_function_end_prologue): Likewise.
4534         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4535         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4536         (rs6000_output_function_epilogue): Likewise.
4537         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4538
4539 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4540
4541         PR target/39482
4542         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4543         from different units in a single alternative.
4544         (*truncdfsf_i387): Ditto.
4545         (*truncxfsf2_mixed): Ditto.
4546         (*truncxfdf2_mixed): Ditto.
4547
4548 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4549
4550         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4551         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4552
4553         PR debug/39474
4554         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4555         unused non-artificial variables when not optimizing.
4556
4557         PR debug/39471
4558         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4559         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4560         NAMESPACE_DECL in its DECL_INITIAL.
4561
4562         PR middle-end/39443
4563         * optabs.c (set_user_assembler_libfunc): New function.
4564         * expr.h (set_user_assembler_libfunc): New prototype.
4565         * c-common.c: Include libfuncs.h.
4566         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4567         for memcmp, memset, memcpy, memmove and abort.
4568         * Makefile.in (c-common.o): Depend on libfuncs.h.
4569
4570         PR debug/39412
4571         * dwarf2out.c (gen_inlined_enumeration_type_die,
4572         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4573         gen_tagged_type_instantiation_die): Removed.
4574         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4575         do nothing.
4576
4577 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4578
4579         PR testsuite/38526
4580         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4581         its use.
4582         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4583         (check-parallel-%): Ditto.
4584         (check-consistency): Ditto.
4585
4586 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4587
4588         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4589         local variable rhs by NULL_TREE.
4590
4591 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4592
4593         PR target/39477
4594         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4595
4596 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4597
4598         PR target/39476
4599         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4600
4601 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4602
4603         PR target/39473
4604         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4605         for ms->sysv ABI calls only in 64bit mode.
4606
4607         * config/i386/i386.md (untyped_call): Support 32bit.
4608
4609 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4610
4611         * doc/extend.texi: Replace x86_65 with x86_64.
4612
4613 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4614
4615         PR tree-optimization/39455
4616         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4617         mismatches for POINTER_TYPE_P (type).
4618         (number_of_iterations_le): Likewise.
4619
4620 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4621
4622         * config/picochip/picochip.c: Removed profiling support.
4623         * config/picochip/picochip.md: Removed profiling instruction.
4624         * config/picochip/picochip.h: Removed profiling builtin.
4625
4626 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4627
4628         * doc/install.texi (--with-host-libstdcxx): Document.
4629
4630 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4631
4632         PR target/34299
4633         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4634         generate a warning if the function name does not begin with
4635         "__vector" and the function has either the 'signal' or 'interrupt'
4636         attribute, from here to ...
4637         (avr_declare_function_name): ...here. New function.
4638         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4639         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4640
4641 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4642
4643         PR bootstrap/39454
4644         * cse.c (fold_rtx): Don't modify original const_arg1 when
4645         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4646         separate variable instead.
4647         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4648         from out of range shift counts.
4649         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4650
4651 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4652
4653         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4654         diagnostic.h with $(DIAGNOSTIC_H).
4655
4656 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4657
4658         PR target/39431
4659         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4660         predicate.
4661         * config/i386/sync.md (sync_compare_and_swap<mode>,
4662         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4663         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4664         into a register.
4665         (sync_double_compare_and_swapdi_pic,
4666         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4667         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4668
4669 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4670
4671         PR target/39445
4672         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4673
4674 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4675
4676         PR target/39327
4677         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4678         (avx_addsubv4df3): Likewise.
4679         (*avx_addsubv4sf3): Likewise.
4680         (sse3_addsubv4sf3): Likewise.
4681
4682 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4683
4684         PR target/38824
4685         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4686
4687 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4688
4689         PR debug/39432
4690         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4691         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4692         registers for allocnos created from user-defined variables.
4693
4694 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4695
4696         PR target/39181
4697         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4698         of non-integer mode as well.
4699
4700 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4701
4702         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4703         for functions for which the parameter types are unknown.
4704
4705 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4706
4707         PR target/39137
4708         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4709         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4710         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4711         * config/i386/i386.c (ix86_local_alignment): For
4712         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4713         long long variables on the stack to avoid dynamic realignment.
4714         Allow the first argument to be a decl rather than type.
4715         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4716
4717 2009-03-11  Nick Clifton  <nickc@redhat.com>
4718
4719         PR target/5362
4720         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4721         options.
4722         Add description to mno-lsim option.
4723         * config/mcore/mcore.h: Remove comment about deprecated m4align
4724         option.
4725         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4726         * doc/invoke.texi: Add description of mno-lsim and
4727         mstack-increment options.
4728
4729         * config/fr30/fr30.opt: Document the -mno-lsim option.
4730         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4731         and -mno-lsim options.
4732
4733 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4734
4735         * fold-const.c (fold_comparison): Only call fold_inf_compare
4736         if the mode supports infinities.
4737
4738 2009-03-11  Jason Merrill  <jason@redhat.com>
4739
4740         PR debug/39086
4741         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4742         end already did.  Notice GIMPLE_CALL modifications of the result.
4743         Don't copy debug information from an ignored decl or a decl from
4744         another function.
4745
4746 2009-03-10  Richard Guenther  <rguenther@suse.de>
4747             Nathan Froyd  <froydnj@codesourcery.com>
4748
4749         PR middle-end/37850
4750         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4751         (__divMODE3): Likewise.
4752
4753 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4754
4755         PR tree-optimization/39394
4756         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4757         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4758
4759 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4760
4761         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4762         inline asms for register asm ("") declarations.
4763
4764 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4765
4766         * fold-const.c (fold_unary): Fix comment.
4767
4768 2009-03-07  Jan Hubicka  <jh@suse.cz>
4769
4770         PR target/39361
4771         * tree-inline.c (setup_one_parameter): Do replacement of const
4772         argument by constant in SSA form.
4773
4774 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4775
4776         PR middle-end/38028
4777         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4778         determine alignment passed to assign_stack_local.
4779         (assign_parms_unsplit_complex): Likewise.
4780         * except.c (sjlj_build_landing_pads): Likewise.
4781
4782 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4783
4784         PR middle-end/39360
4785         * tree-flow.h (add_referenced_var): Return bool instead of void.
4786         * tree-dfa.c (add_referenced_var): Return result of
4787         referenced_var_check_and_insert call.
4788         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4789         of referenced_var_check_and_insert.
4790
4791         PR debug/39372
4792         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4793         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4794         DIE, don't emit it if abstract origin already has it.
4795         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4796         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4797
4798 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4799
4800         * genpreds.c (needs_variable): Fix parentheses at variable name
4801         detection.
4802         (write_tm_constrs_h): Indent generated code.
4803
4804 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4805
4806         * doc/extend.texi (Function Attributes): Add documentation
4807         for isr attributes.
4808
4809 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4810
4811         PR debug/39387
4812         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4813         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4814
4815 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4816
4817         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4818         the loop as bad.
4819
4820 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4821
4822         PR debug/39379
4823         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4824         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4825
4826 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4827
4828         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4829         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4830         constants instead of magic numbers.
4831         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4832         (QI_REG_P): Ditto.
4833         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4834         (x86_64_ms_abi_int_parameter_registers): Ditto.
4835         (x86_64_int_return_registers): Ditto.
4836         (ix86_maybe_switch_abi): Ditto.
4837         (ix86_expand_call): Ditto for clobbered_registers array.
4838         (ix86_hard_regno_mode_ok): Ditto.
4839         (x86_extended_QIreg_mentioned_p): Ditto.
4840
4841 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4842
4843         PR tree-optimization/39349
4844         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4845
4846         * combine.c (gen_lowpart_for_combine): Use omode when generating
4847         clobber.
4848
4849 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4850
4851         PR rtl-optimization/39235
4852         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4853
4854 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4855
4856         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4857
4858 2009-03-04  Richard Guenther  <rguenther@suse.de>
4859
4860         PR tree-optimization/39362
4861         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4862         that occur in abnormal PHIs should be varying.
4863
4864 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4865
4866         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4867         Extend comments.
4868         (simple_iv):  Take loop as an argument instead of statement.
4869         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4870         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4871         to simple_iv.
4872         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4873         Ditto.
4874         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4875         * matrix-reorg.c (analyze_transpose): Ditto.
4876         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4877         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4878         * tree-predcom.c (ref_at_iteration): Ditto.
4879         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4880
4881 2009-03-04  Richard Guenther  <rguenther@suse.de>
4882
4883         PR tree-optimization/39358
4884         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4885         escaped_id and callused_id.
4886         (solve_graph): Likewise.
4887
4888 2009-03-04  Richard Guenther  <rguenther@suse.de>
4889
4890         PR tree-optimization/39339
4891         * tree-sra.c (try_instantiate_multiple_fields): Make it
4892         no longer ICE on the above.
4893
4894 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4895
4896         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4897         that fits within Pmode.
4898
4899 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4900
4901         PR middle-end/10109
4902         * tm.texi (LIBCALL_VALUE): Update description.
4903
4904 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4905
4906         PR middle-end/34443
4907         * doc/extend.texi (section): Update description.
4908
4909 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4910
4911         PR middle-end/39345
4912         * tree-inline.c (remapped_type): New.
4913         (can_be_nonlocal): Call remapped_type instead of remap_type.
4914
4915 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4916
4917         PR fortran/39354
4918         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4919         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4920
4921 2009-03-03  Richard Guenther  <rguenther@suse.de>
4922
4923         PR middle-end/39272
4924         * tree.c (tree_nonartificial_location): New function.
4925         * tree.h (tree_nonartificial_location): Declare.
4926         * builtins.c (expand_builtin_memory_chk): Provide location
4927         of the call location for artificial function pieces.
4928         (maybe_emit_chk_warning): Likewise.
4929         (maybe_emit_sprintf_chk_warning): Likewise.
4930         (maybe_emit_free_warning): Likewise.
4931         * expr.c (expand_expr_real_1): Likewise.
4932
4933 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4934
4935         PR tree-optimization/39343
4936         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4937         COMPONENT_REF t has ARRAY_TYPE.
4938
4939 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4940
4941         PR middle-end/39335
4942         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4943         when the type precision of the induction variable should be
4944         larger than the type precision of nit.
4945         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4946         * graphite.c (graphite_loop_normal_form): Same.
4947         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4948
4949 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4950
4951         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4952         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4953         numbers to describe clobbered registers.
4954         (*call_value_0_rex64_ms_sysv): Ditto.
4955         * config/i386/mmx.md (mmx_emms): Ditto.
4956         (mmx_femms): Ditto.
4957
4958 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4959
4960         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4961         of ABI_64.
4962
4963 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4964
4965         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4966         (spu_section_type_flags): New function.
4967
4968 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4969
4970         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4971         reg_class_contents of FLOAT_REGS into a temporary.
4972
4973 2009-03-02  Richard Guenther  <rguenther@suse.de>
4974             Ira Rosen  <irar@il.ibm.com>
4975
4976         PR tree-optimization/39318
4977         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4978         information to the vectorized statement.
4979
4980 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4981
4982         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4983         variable.  Use defined names instead of magic constants for REX SSE
4984         registers.
4985
4986 2009-03-01  Richard Guenther  <rguenther@suse.de>
4987
4988         PR tree-optimization/39331
4989         * omp-low.c (lower_send_shared_vars): Do not receive new
4990         values for the reference of DECL_BY_REFERENCE parms or results.
4991
4992 2009-03-01  Jan Hubicka  <jh@suse.cz>
4993
4994         PR debug/39267
4995         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4996         BLOCK_NONLOCALIZED_VAR): New macros.
4997         (tree_block): Add nonlocalized_vars.
4998         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4999         gen_decl_die): Add origin argument.  Allow generation of die with
5000         origin at hand only.
5001         (gen_member_die, gen_type_die_with_usage, force_decl_die,
5002         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
5003         of gen_*.
5004         (gen_block_die): Fix checking for unused blocks.
5005         (process_scope_var): Break out from .... ; work with origins only.
5006         (decls_for_scope) ... here; process nonlocalized list.
5007         (dwarf2out_ignore_block): Look for nonlocalized vars.
5008         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
5009         vars.
5010         (dump_scope_block): Dump them.
5011         * tree-inline.c (remap_decls): Handle nonlocalized vars.
5012         (remap_block): Likewise.
5013         (can_be_nonlocal): New predicate.
5014         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
5015
5016 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5017
5018         * configure: Regenerate.
5019
5020 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5021
5022         * optc-gen.awk: No need to duplicate option flags twice.
5023         Reuse help texts for duplicate options which do not have any.
5024
5025         * gcc.c (display_help): Document --version.
5026
5027         * gcc.c (main): If print_help_list and verbose_flag, ensure
5028         driver output comes before subprocess output.
5029
5030         * optc-gen.awk: Assign all remaining fields to help string,
5031         space-separated, for multi-line help in *.opt.
5032
5033         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
5034         -Wno-pedantic-ms-format is for MinGW targets only.
5035
5036         * doc/options.texi (Option file format): Fix bad indentation,
5037         restoring dropped sentence.
5038
5039 2009-02-28  Jan Hubicka  <jh@suse.cz>
5040
5041         * tree-inline.c (tree_function_versioning): Output debug info.
5042
5043 2009-02-28  Jan Hubicka  <jh@suse.cz>
5044
5045         PR debug/39267
5046         * tree-inline.c (setup_one_parameter): Do not copy propagate
5047         arguments when not optimizing.
5048
5049 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5050
5051         PR target/39327
5052         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
5053         (avx_addsubv4df3): Likewise.
5054         (*avx_addsubv4sf3): Likewise.
5055         (sse3_addsubv4sf3): Likewise.
5056         (*avx_addsubv2df3): Likewise.
5057         (sse3_addsubv2df3): Likewise.
5058         (avx_unpckhps256): Correct item selectors.
5059         (avx_unpcklps256): Likewise.
5060         (avx_unpckhpd256): Likewise.
5061         (avx_unpcklpd256): Likewise.
5062
5063 2009-02-28  Jan Hubicka  <jh@suse.cz>
5064
5065         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
5066         static vars.
5067         (copy_arguments_for_versioning): If var is declared don't declare it.
5068         (tree_function_versioning): First setup substitutions and then copy
5069         args.
5070
5071 2009-02-27  Jan Hubicka  <jh@suse.cz>
5072
5073         PR debug/39267
5074         * cgraph.h (varpool_output_debug_info): Remove.
5075         * cgraphunit.c (varpool_output_debug_info): Remove.
5076         * dwarf2out.c (deferred_locations_struct): New struct
5077         (deferred_locations): New type.
5078         (deferred_locations_list): New static var.
5079         (deffer_location): New function.
5080         (gen_variable_die): Use it.
5081         (decls_for_scope): Output info on local static vars.
5082         (dwarf2out_finish): Process deferred locations.
5083         * varpool.c (varpool_output_debug_info): Remove.
5084
5085 2009-02-27  Jan Hubicka  <jh@suse.cz>
5086
5087         PR debug/39267
5088         * tree.h (TREE_PROTECTED): Fix comment.
5089         (BLOCK_HANDLER_BLOCK): Remove.
5090         (struct tree_block): Remove handler_block add body_block.
5091         (inlined_function_outer_scope_p): New.
5092         (is_body_block): Remove.
5093         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
5094         * dwarf2out.c (is_inlined_entry_point): Remove.
5095         (add_high_low_attributes): Use inlined_function_outer_scope_p.
5096         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
5097         code.
5098         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
5099         * gimplify.c (gimplify_expr): Gimplify body blocks.
5100         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
5101         block with multiple subblocks.
5102         (dump_scope_block): Prettier output; dump more flags and info.
5103         (dump_scope_blocks): New.
5104         (remove_unused_locals): Use dump_scope_blocks.
5105         * tree-flow.h (dump_scope_blocks): Declare.
5106         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
5107         * stmt.c (is_body_block): Remove.
5108         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
5109         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
5110
5111 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5112
5113         PR middle-end/39308
5114         * graphite.c (graphite_loop_normal_form): Do not call 
5115         number_of_iterations_exit from a gcc_assert.
5116
5117 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5118
5119         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
5120         jumps if COND is NULL.
5121         (find_cond_jump): New function.
5122         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
5123         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
5124
5125 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
5126
5127         * config/alpha/alpha.h (alpha_expand_mov): Return false if
5128         force_const_mem returns NULL_RTX.
5129
5130 2009-02-26  Jan Hubicka  <jh@suse.cz>
5131
5132         PR debug/39267
5133         * cgraph.h (varpool_output_debug_info): Remove.
5134         * cgraphunit.c (varpool_output_debug_info): Remove.
5135         * dwarf2out.c (deferred_locations_struct): New struct
5136         (deferred_locations): New type.
5137         (deferred_locations_list): New static var.
5138         (deffer_location): New function.
5139         (gen_variable_die): Use it.
5140         (decls_for_scope): Output info on local static vars.
5141         (dwarf2out_finish): Process deferred locations.
5142         * varpool.c (varpool_output_debug_info): Remove.
5143
5144 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
5145
5146         PR rtl-optimization/39241
5147         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
5148         to subreg_offset_representable_p.
5149
5150 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5151
5152         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
5153         execute function prototype.  Get f and nregs from max_reg_num
5154         and get_insns.  Remove the first backward pass as it's dead,
5155         guard the forward pass by flag_expensive_optimizations.
5156         (rest_of_handle_regmove): Delete.
5157         (pass_regmove): Replace it with regmove_optimize.
5158
5159 2009-02-25  Martin Jambor  <mjambor@suse.cz>
5160
5161         PR tree-optimization/39259
5162         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
5163         calls_alloca function flags.
5164         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
5165         calls are detected.
5166
5167 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5168
5169         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
5170         flags_set_1_rtx, flags_set_1_set): Delete.
5171         (regmove_optimize): Do not call mark_flags_life_zones.
5172
5173 2009-02-24  Julian Brown  <julian@codesourcery.com>
5174
5175         PR target/35965
5176         * config/arm/arm.c (require_pic_register): Only set
5177         cfun->machine->pic_reg once per function.
5178
5179 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
5180
5181         * doc/invoke.texi (Link Options): Document an easier way to pass
5182         options that take arguments to the GNU linker using -Xlinker and -Wl.
5183
5184 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
5185
5186         PR target/33785
5187         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
5188
5189 2009-02-24  Richard Guenther  <rguenther@suse.de>
5190
5191         PR debug/39285
5192         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
5193
5194 2009-02-24  Richard Guenther  <rguenther@suse.de>
5195             Zdenek Dvorak  <ook@ucw.cz>
5196
5197         PR tree-optimization/39233
5198         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
5199         from converting them to a generic type.
5200
5201 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5202
5203         PR tree-optimization/39260
5204         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
5205         contains a condition with a real type.
5206         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
5207
5208 2009-02-23  Jason Merrill  <jason@redhat.com>
5209
5210         PR c++/38880
5211         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5212         narrowing_initializer_constant_valid_p.
5213         (narrowing_initializer_constant_valid_p): Don't return 
5214         null_pointer_node for adding a pointer to itself.
5215
5216 2009-02-23  Jan Hubicka  <jh@suse.cz>
5217
5218         PR c/12245
5219         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5220         resizing.
5221
5222 2009-02-23  Jan Hubicka  <jh@suse.cz>
5223
5224         PR tree-optimization/37709
5225         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5226         * tree.h (block_ultimate_origin): Declare.
5227         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5228         * tree-ssa-live.c (remove_unused_scope_block_p):
5229         Eliminate blocks containig no instructions nor live variables nor
5230         nested blocks.
5231         (dump_scope_block): New function.
5232         (remove_unused_locals): Enable removal of dead blocks by default;
5233         enable dumping at TDF_DETAILS.
5234
5235 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5236
5237         * config/i386/i386.c (classify_argument): Don't allow COImode
5238         and OImode.
5239         (function_arg_advance_32): Don't allow OImode.
5240         (function_arg_32): Likewise.
5241         (function_value_32): Likewise.
5242         (return_in_memory_32): Likewise.
5243         (function_arg_64): Remove OImode comment.
5244
5245 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5246
5247         PR target/39261
5248         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5249         ix86_expand_vector_set for V4DImode in 64bit mode only.
5250         (ix86_expand_vector_init_one_var): Likewise.
5251
5252 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5253
5254         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5255
5256 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5257
5258         PR bootstrap/39257
5259         * loop-iv.c: Revert last change.
5260         * emit-rtl.c: Likewise.
5261
5262 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5263
5264         PR target/39256
5265         * config/i386/i386.c (type_natural_mode): Remove an extra
5266         space in the warning message.
5267         (function_value_32): Handle 32-byte vector modes.
5268         (return_in_memory_32): Likewise.
5269
5270 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5271
5272         * loop-iv.c (truncate_value): New function.
5273         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5274         of lowpart_subreg.
5275         (lowpart_subreg): Move to...
5276         * emit-rtl.c: ...here.
5277
5278 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5279
5280         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5281         accidental and undocumented change at revision 140860.
5282
5283 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5284
5285         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5286         take gimple_seq * arguments.
5287         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5288         types_compatible_p langhook.
5289
5290 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5291             Joseph Myers  <joseph@codesourcery.com>
5292
5293         * config/arm/arm.c (arm_builtin_va_list): New function.
5294         (arm_expand_builtin_va_start): Likewise.
5295         (arm_gimplify_va_arg_expr): Likewise.
5296         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5297         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5298         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5299         (va_list_type): New variable.
5300         (arm_mangle_type): Mangle va_list_type appropriately.
5301
5302 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5303
5304         PR middle-end/39157
5305         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5306         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5307         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5308         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5309         parameter to 1000 for -O1 by default.
5310         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5311         parameter.
5312         * loop-invariant.c: Include params.h.
5313         (move_loop_invariants): Don't call move_single_loop_invariants on
5314         very large loops.
5315
5316 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5317
5318         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5319         offset when calculating bounds for indexing stack_usage_map.  Fixes
5320         a buffer overflow with certain target setups.
5321
5322 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5323
5324         PR target/39240
5325         * calls.c (expand_call): Clear try_tail_call if caller and callee
5326         disagree in promotion of function return value.
5327
5328 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5329
5330         PR target/39175
5331         * c-common.c (c_determine_visibility): If visibility changed and
5332         DECL_RTL has been already set, call make_decl_rtl to update symbol
5333         flags.
5334
5335 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5336
5337         PR c++/39188
5338         * varasm.c (assemble_variable): Don't check DECL_NAME when
5339         globalizing a variable.
5340
5341 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5342
5343         PR c/38483
5344         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5345         expression before any __builtin_trap call.
5346         * c-typeck.c (build_function_call): Convert and check function
5347         arguments before generating a call to a trap.  Evaluate the
5348         function arguments before the trap.
5349
5350 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5351
5352         PR target/39228
5353         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5354         (UNSPEC_FXAM_MEM): New unspec.
5355         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5356         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5357         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5358
5359 2009-02-19  Richard Guenther  <rguenther@suse.de>
5360
5361         PR tree-optimization/39207
5362         PR tree-optimization/39074
5363         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5364         storedanything_tree): New.
5365         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5366         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5367         (build_succ_graph): Add edges from STOREDANYTHING to all
5368         non-direct nodes.
5369         (init_base_vars): Initialize STOREDANYTHING.
5370         (compute_points_to_sets): Free substitution info after
5371         building the succ graph.
5372         (ipa_pta_execute): Likewise.
5373
5374         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5375         field.
5376         (do_ds_constraint): Do not add to special var or non-pointer
5377         field solutions.
5378         (type_could_have_pointers): Split out from ...
5379         (could_have_pointers): ... here.  For arrays use the element type.
5380         (create_variable_info_for): Initialize may_have_pointers.
5381         (new_var_info): Likewise.
5382         (handle_lhs_call): Make the HEAP variable unknown-sized.
5383         (intra_create_variable_infos): Use a type with pointers for
5384         PARM_NOALIAS, make it unknown-sized.
5385
5386 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5387
5388         PR target/39224
5389         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5390
5391 2009-02-18  Jason Merrill  <jason@redhat.com>
5392
5393         PR target/39179
5394         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5395         value if DECL_EXTERNAL.
5396         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5397         * target.h (gcc_target::binds_local_p): Clarify "module".
5398         * tree.h (TREE_PUBLIC): Clarify "module".
5399
5400 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5401
5402         PR target/38891
5403         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5404         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5405
5406 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5407
5408         PR target/39082
5409         * c.opt (Wabi): Support C and ObjC.
5410         (Wpsabi): New.
5411
5412         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5413
5414         * config/i386/i386.c (classify_argument): Warn once about the ABI
5415         change when passing union with long double.
5416
5417         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5418
5419 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5420
5421         PR c/35447
5422         * c-parser.c (c_parser_compound_statement): Always enter and leave
5423         a scope.
5424
5425 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5426
5427         PR target/34587
5428         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5429
5430 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5431
5432         PR tree-optimization/36922
5433         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5434         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5435         Likewise.
5436
5437 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5438
5439         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5440         to 0 for EABI64.
5441
5442 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5443
5444         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5445
5446 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5447
5448         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5449         tree sharing.
5450
5451 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5452             Richard Sandiford  <rdsandiford@googlemail.com>
5453
5454         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5455         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5456         (loongson_biadd): ...this.
5457
5458 2009-02-17  Richard Guenther  <rguenther@suse.de>
5459
5460         PR tree-optimization/39202
5461         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5462         a var make sure to follow existing collapses.
5463
5464 2009-02-17  Richard Guenther  <rguenther@suse.de>
5465
5466         PR middle-end/39214
5467         * langhooks.c (lhd_print_error_function): Check for NULL block.
5468
5469 2009-02-17  Richard Guenther  <rguenther@suse.de>
5470
5471         PR tree-optimization/39204
5472         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5473         of the PHI arg.
5474
5475 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5476
5477         * config/soft-fp/double.h: Update from glibc CVS.
5478
5479 2009-02-17  Richard Guenther  <rguenther@suse.de>
5480
5481         PR tree-optimization/39207
5482         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5483         strict-aliasing warnings for pointers pointing to NULL.
5484
5485 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5486
5487         PR c/35446
5488         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5489         skipping until next close brace.
5490
5491 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5492
5493         PR target/37049
5494         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5495         to function argument boundary.
5496
5497 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5498
5499         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5500         in the lea_add. Reload eventually constraints it properly.
5501         * config/picochip/constraints.md : Remove the target constraint
5502         "b", since it is not needed anymore.
5503
5504 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5505
5506         * gthr-dce.h: Uglify function parameter and local variable names.
5507         * gthr-gnat.h: Likewise.
5508         * gthr-mipssde.h: Likewise.
5509         * gthr-nks.h: Likewise.
5510         * gthr-posix95.h: Likewise.
5511         * gthr-posix.h: Likewise.
5512         * gthr-rtems.h: Likewise.
5513         * gthr-single.h: Likewise.
5514         * gthr-solaris.h: Likewise.
5515         * gthr-tpf.h: Likewise.
5516         * gthr-vxworks.h: Likewise.
5517         * gthr-win32.h: Likewise.
5518
5519 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5520
5521         PR target/39196
5522         * config/i386/i386.md: Restrict the new peephole2 to move
5523         between MMX/SSE registers.
5524
5525 2009-02-15  Richard Guenther  <rguenther@suse.de>
5526
5527         Revert
5528         2009-02-13  Richard Guenther  <rguenther@suse.de>
5529
5530         * configure.ac: Enable LFS.
5531         * configure: Re-generate.
5532         * config.in: Likewise.
5533
5534 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5535
5536         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5537         spu_srqwbyte, spu_srqwbytebc): Define.
5538         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5539         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5540         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5541         "shrqby_<mode>"): New insn-and-split patterns.
5542         * config/spu/spu.c (expand_builtin_args): Determine and return
5543         number of operands using spu_builtin_description data.
5544         (spu_expand_builtin_1): Use it.
5545
5546 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5547
5548         PR target/38056
5549         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5550         TARGET_CONST_GP.
5551
5552 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5553
5554         PR target/39149
5555         * config/i386/i386.c (override_options): Correct warning
5556         messages for -malign-loops, -malign-jumps and -malign-functions.
5557
5558 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5559
5560         PR target/39152
5561         * config/i386/i386.md: Restrict the new peephole2 to move
5562         between the general purpose registers.
5563
5564 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5565
5566         PR target/39162
5567         * config/i386/i386.c (type_natural_mode): Add a new argument.
5568         Return the original mode and warn ABI change if vector size is 32byte.
5569         (function_arg_advance): Updated.
5570         (function_arg): Likewise.
5571         (ix86_function_value): Likewise.
5572         (ix86_return_in_memory): Likewise.
5573         (ix86_sol10_return_in_memory): Likewise.
5574         (ix86_gimplify_va_arg): Likewise.
5575         (function_arg_32): Don't warn ABX ABI change here.
5576         (function_arg_64): Likewise.
5577
5578 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5579
5580         * loop-iv.c (implies_p): In the final case, test that operands 0
5581         of the two comparisons match.
5582
5583         * config/bfin/bfin.c (find_prev_insn_start): New function.
5584         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5585         (find_next_insn_start): Move.
5586
5587 2009-02-13  Richard Guenther  <rguenther@suse.de>
5588
5589         * configure.ac: Enable LFS.
5590         * configure: Re-generate.
5591         * config.in: Likewise.
5592
5593 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5594
5595         PR c/35444
5596         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5597         sizes on syntax error after some arguments have been parsed.
5598
5599 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5600
5601         * doc/invoke.texi (-fira): Remove.
5602
5603 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5604
5605         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5606         * recog.c: Likewise.
5607         * rtl.h: Likewise.
5608
5609 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5610
5611         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5612         (umul_ppmm): Likewise.
5613         (count_leading_zeros): Likewise.
5614         (count_trailing_zeros): Likewise.
5615         (UMUL_TIME): Likewise.
5616
5617 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5618
5619         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5620         soft-fp/t-softfp to tmake_file.
5621
5622         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5623         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5624         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5625         IA64_BUILTIN_INFQ]: New.
5626         (ia64_init_builtins): Initialize __builtin_infq,
5627         __builtin_fabsq and __builtin_copysignq if not HPUX.
5628         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5629         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5630
5631         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5632         SHARED is defined.
5633         (__fixtfti): Likewise.
5634         (__fixunstfti): Likewise.
5635         (__floattitf): Likewise.
5636
5637         * config/ia64/libgcc-glibc.ver: New.
5638         * config/ia64/t-fprules-softfp: Likewise.
5639         * config/ia64/sfp-machine.h: Likewise.
5640
5641         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5642         (LIBGCC2_TF_CEXT): Likewise.
5643         (TF_SIZE): Likewise.
5644         (TARGET_INIT_LIBFUNCS): Likewise.
5645
5646         * config/ia64/t-glibc (SHLINB_MAPFILES):
5647         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5648
5649 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5650
5651         * config/i386/i386.c (construct_container): Rewrite processing
5652         BLKmode with X86_64_SSE_CLASS.
5653
5654 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5655
5656         PR target/39152
5657         * config/i386/i386.md: Replace simplify_replace_rtx with
5658         replace_rtx in the new peephole2.
5659
5660 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5661
5662         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5663         loop unrolling do not happen at -O2.
5664
5665 2009-02-12  Michael Matz  <matz@suse.de>
5666
5667         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5668
5669 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5670
5671         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5672         for -g3.
5673
5674 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5675
5676         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5677         patterns when updating the back chain.  Missed in the 2009-02-10
5678         change.
5679
5680 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5681
5682         * doc/extend.texi (Decimal Floating Types): Update identifier of
5683         draft TR and list of missing support.
5684
5685 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5686
5687         PR middle-end/39154
5688         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5689         bit to variable length decl's flags, add it also to its
5690         pointer replacement variable.
5691
5692 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5693             Jakub Jelinek  <jakub@redhat.com>
5694
5695         PR target/39118
5696         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5697         (memory_blockage): New expander.
5698         (*memory_blockage): New insn pattern.
5699         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5700         instead of general blockage at the end of function prologue when
5701         frame pointer is used to access red zone area.  Do not emit blockage
5702         when profiling, it is emitted in generic code.
5703         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5704         function epilogue when frame pointer is used to access red zone area.
5705
5706 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5707
5708         PR target/38824
5709         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5710         by arithmetic with memory operands.
5711         * config/i386/predicates.md (commutative_operator): New.
5712
5713 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5714
5715         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5716         bulleted lists.
5717
5718 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5719
5720         * alias.h (record_alias_subset): Declare.
5721         * alias.c (record_alias_subset): Make global.
5722
5723 2009-02-10  Nick Clifton  <nickc@redhat.com>
5724
5725         * tree-parloops.c: Change license to GPLv3.
5726         * ipa-struct-reorg.c: Change license to GPLv3.
5727         * ipa-struct-reorg.h: Change license to GPLv3.
5728
5729 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5730
5731         PR c/39084
5732         * c-decl.c (start_struct): Return NULL on error.
5733
5734 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5735
5736         PR middle-end/39124
5737         * cfgloopmanip.c (remove_path): Call remove_bbs after
5738         cancel_loop_tree, not before it.
5739
5740         PR target/39139
5741         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5742         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5743         VAR_DECLs were seen.
5744         * tree-ssa-live.c (remove_unused_locals): Recompute
5745         cfun->has_local_explicit_reg_vars.
5746         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5747         copies or clearings if cfun->has_local_explicit_reg_vars.
5748
5749 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5750
5751         PR target/39118
5752         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5753         of function prologue when frame pointer is used to access
5754         red zone area.
5755
5756 2009-02-10  Richard Guenther  <rguenther@suse.de>
5757
5758         PR middle-end/39127
5759         * gimplify.c (gimple_regimplify_operands): Always look if
5760         we need to create a temporary.
5761
5762 2009-02-10  Richard Guenther  <rguenther@suse.de>
5763
5764         PR tree-optimization/39132
5765         * tree-loop-distribution.c (todo): New global var.
5766         (generate_memset_zero): Trigger TODO_rebuild_alias.
5767         (tree_loop_distribution): Return todo.
5768
5769 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5770
5771         PR target/39119
5772         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5773         (x86_64_reg_class_name): Removed.
5774         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5775         first one isn't X86_64_SSE_CLASS or any other ones aren't
5776         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5777         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5778         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5779         and 3 X86_64_SSEUP_CLASS.
5780         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5781         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5782
5783 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5784
5785         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5786         form instruction to update the stack back chain word, even if the
5787         user has disabled the generation of update instructions.
5788         (movdi_<mode>_update_stack): New.
5789         (movsi_update_stack): Likewise.
5790         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5791         always use an update form instruction to update the stack back
5792         chain word.
5793
5794 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5795
5796         PR middle-end/38953
5797         * graphite.c (if_region_set_false_region): After moving a region in
5798         the false branch of a condition, remove the empty dummy basic block.
5799         (gloog): Remove wrong fix for PR38953.
5800
5801 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5802
5803         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5804         generation due to implicit sign extension.
5805
5806 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5807
5808         PR middle-end/38981
5809         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5810         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5811
5812 2009-02-09  Richard Guenther  <rguenther@suse.de>
5813
5814         PR middle-end/35202
5815         * convert.c (convert_to_real): Disable (float)fn((double)x)
5816         to fnf(x) conversion if errno differences may occur and
5817         -fmath-errno is set.
5818
5819 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5820
5821         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5822         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5823         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5824
5825 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5826
5827         PR c/35434
5828         * c-common.c (handle_alias_attribute): Disallow attribute for
5829         anything not a FUNCTION_DECL or VAR_DECL.
5830
5831 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5832
5833         PR c/39035
5834         * real.c (do_compare): Special-case compare of zero against
5835         decimal float value.
5836
5837 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5838
5839         PR c/36432
5840         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5841         as indicating flexible array members unless the field itself is
5842         being declarared as the incomplete array.
5843
5844 2009-02-06  Jan Hubicka  <jh@suse.cz>
5845
5846         PR tree-optimization/38844
5847         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5848         is already inlined.
5849
5850 2009-02-06  Richard Guenther  <rguenther@suse.de>
5851
5852         PR middle-end/38977
5853         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5854         fork because we may expand it as __gcov_fork.
5855
5856 2009-02-06  Nick Clifton  <nickc@redhat.com>
5857
5858         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5859
5860 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5861
5862         PR tree-optimization/35659
5863         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5864         vn_phi_eq): Shortcut if hashcode does not match.
5865         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5866         NULL operands.
5867         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5868         and avoid iterative_hash_expr.
5869         (FOR_EACH_VALUE_ID_IN_SET): New.
5870         (value_id_compare): Remove.
5871         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5872         sort expressions by value id.
5873
5874 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5875
5876         PR target/38991
5877         * config/sh/predicates.md (general_movsrc_operand): Don't check
5878         the subreg of system registers here.
5879
5880 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5881
5882         PR c++/39106
5883         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5884         on the copied decl.
5885
5886 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5887
5888         PR rtl-optimization/39110
5889         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5890         addresses, not aligned ones.
5891
5892 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5893             Richard Guenther  <rguenther@suse.de>
5894
5895         PR tree-optimization/39100
5896         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5897         comment says and add edges.
5898
5899 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5900
5901         PR c/35435
5902         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5903         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5904
5905 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5906
5907         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5908         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5909         register_bb_in_sese, new_sese, free_sese): Moved.
5910         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5911         outermost_loop_in_scop, build_scop_iteration_domain,
5912         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5913         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5914         Use loop_in_sese_p instead of loop_in_scop_p.
5915         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5916         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5917         (scopdet_basic_block_info): Fix bug in scop detection.
5918         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5919         eq_loop_to_cloog_loop): Remove.
5920         (nb_loops_around_loop_in_scop, nb_loop
5921         ref_nb_loops): Moved here...
5922         * graphite.h (ref_nb_loops): ... from here.
5923         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5924         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5925         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5926         * testsuite/gcc.dg/graphite/scop-19.c: New
5927
5928 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5929             Hans-Peter Nilsson  <hp@axis.com>
5930
5931         PR rtl-optimization/37889
5932         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5933         Move offset handling from PLUS to before the switch.  Use new
5934         arguments when considering SYMBOL_REFs too.
5935         (rtx_addr_can_trap_p): Pass dummy offset and size.
5936         (enum may_trap_p_flags): Remove.
5937         (may_trap_p_1): Pass size from MEM_SIZE.
5938
5939         PR rtl-optimization/38921
5940         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5941         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5942         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5943         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5944
5945 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5946
5947         AVX Programming Reference (January, 2009)
5948         * config/i386/sse.md (*vpclmulqdq): New.
5949
5950 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5951
5952         PR tree-optimization/38977
5953         PR gcov-profile/38292
5954         * calls.c (special_function_p): Disregard __builtin_ prefix.
5955
5956 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5957
5958         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5959         non-indexable addresses even before reload.
5960
5961 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5962
5963         PR c/29129
5964         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5965         as having variable size.  Do not give an error for unnamed
5966         parameters with [*] declarators.  Give a warning for type names
5967         with [*] declarators and mark them as variable size.
5968         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5969         for sizeof applied to [*] type names.
5970
5971 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5972
5973         PR C++/36607
5974         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5975
5976 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5977
5978         * gcc.c (process_command): Update copyright notice dates.
5979         * gcov.c (print_version): Likewise.
5980         * gcov-dump.c (print_version): Likewise.
5981         * mips-tfile.c (main): Likewise.
5982         * mips-tdump.c (main): Likewise.
5983
5984 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5985
5986         PR c/35433
5987         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5988         for composite type involving a zero-length array type.
5989
5990 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5991
5992         PR target/35318
5993         * function.c (match_asm_constraints_1): Skip over
5994         initial optional % in the constraint.
5995
5996         PR inline-asm/39059
5997         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5998         supported, don't accept FIXED_CSTs.
5999         * c-decl.c (finish_declspecs): Error if fixed point is not supported
6000         and _Sat is used without _Fract/_Accum.  Set specs->type to
6001         integer_type_node for cts_fract/cts_accum if fixed point is not
6002         supported.
6003
6004 2009-02-02  Catherine Moore  <clm@codesourcery.com>
6005
6006         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
6007
6008 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
6009
6010         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
6011         (ABI_HAS_64BIT_SYMBOLS): Use it.
6012         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
6013
6014 2009-02-02  Paul Brook  <paul@codesourcery.com>
6015
6016         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
6017
6018 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
6019
6020         PR inline-asm/39058
6021         * recog.h (asm_operand_ok): Add constraints argument.
6022         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
6023         recurse on matching constraint.
6024         (check_asm_operands): Pass constraints as 3rd argument to
6025         asm_operand_ok.  Don't look up matching constraint here.
6026         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
6027         to asm_operand_ok.
6028
6029 2009-02-02  Ben Elliston  <bje@au.ibm.com>
6030
6031         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
6032         TARGET_NARROW_VOLATILE_BITFIELD macro names.
6033
6034 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6035
6036         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
6037         information.  Remove some obsolete information.  Reorganize.
6038
6039         * config/pa/fptr.c: Revert license to GPL 2.
6040         * config/pa/milli64.S: Likewise.
6041
6042 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
6043
6044         PR target/38904
6045         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
6046         LIBRARY name in, instead of hard-coding it.
6047         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
6048         extra target make frag to tmake_files according to EH model.
6049         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
6050         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
6051         frags that define makefile variable EH_MODEL appropriately.
6052         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
6053         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
6054         to "-sjlj" according to type of EH configured.
6055         (LIBGCC_SONAME):  Concatenate it to shared library base name.
6056         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
6057         to "_sjlj" according to type of EH configured.
6058         (LIBGCC_SONAME):  Concatenate it to shared library base name.
6059         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
6060         (SHLIB_LINK):  Add missing semicolon to if-else construct.
6061         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
6062         string value of "pe_dll" command-line option.
6063         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
6064         (SHLIB_SONAME):  Use it when overriding t-cygming default.
6065         (SHLIB_IMPLIB):  Override t-cygming default.
6066         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
6067         string value of "pe_dll" command-line option.
6068
6069 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
6070
6071         PR target/38952
6072         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
6073         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
6074
6075 2009-01-31  Richard Guenther  <rguenther@suse.de>
6076
6077         PR tree-optimization/38937
6078         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
6079         computing the transitive closure.
6080
6081 2009-01-30  Richard Guenther  <rguenther@suse.de>
6082
6083         PR tree-optimization/39041
6084         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
6085         Propagate variable indices only if the types match for this stmt.
6086
6087 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
6088
6089         PR target/39013
6090         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
6091         inline but never defined.
6092
6093 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
6094
6095         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
6096         (*insv_h_di_reg_extimm): New insn.
6097         (*insv_l<mode>_reg_extimm): New insn.
6098
6099 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
6100
6101         * config/picochip/picochip.c (flag_conserve_stack): set
6102         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
6103         fconserve-stack. Reduce call-overhead used by inliner.
6104
6105 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
6106
6107         PR/38157
6108         * common.opt (flag_conserve_stack): Initialised to zero.
6109
6110 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
6111
6112         PR/39002
6113         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
6114         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
6115         method.
6116
6117 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6118
6119         * ira-color.c (allocno_reload_assign): Update comments.
6120         * regmove.c (regmove_optimize): Likewise.
6121
6122         * ra.h: Removed.
6123
6124 2009-01-29  Robert Millan  <rmh@aybabtu.com>
6125
6126         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
6127         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
6128         `MD_UNWIND_SUPPORT'.
6129         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
6130
6131 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
6132
6133         PR tree-optimization/39007
6134         * tree-loop-distribution.c (generate_builtin): Use
6135         recompute_dominator to compute the immediate dominator of the
6136         basic block just after the loop.
6137
6138 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6139
6140         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
6141         (ASM_OUTPUT_DWARF_PCREL): Define.
6142
6143 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
6144
6145         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
6146         * doc/passes.texi: Remove entries about regclass, local-alloc, and
6147         global.  Modify entries about regmove and IRA.
6148
6149         * ra-conflict.c: Remove the file.
6150
6151         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
6152
6153         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
6154         (pass_regclass_init): Rename to pass_reginfo_init.
6155
6156         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
6157
6158         * toplev.h (flag_ira): Remove.
6159
6160         * caller-save.c (setup_save_areas): Remove flag_ira.
6161
6162         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
6163
6164         * global.c: Remove the file.
6165
6166         * opts.c (decode_options): Remove flag_ira.
6167
6168         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
6169
6170         * regmove.c: Modify file description.
6171         (find_use_as_address, try_auto_increment): Define them only if
6172         AUTO_INC_DEC is defined.
6173         (replacement_quality, replace_in_call_usage, fixup_match_1,
6174         stable_and_no_regs_but_for_p): Remove.
6175         (reg_set_in_bb): Make it static.
6176         (regmove_optimize): Remove flag_ira and code which worked for
6177         !flag_ira.
6178
6179         * local-alloc.c: Remove the file.
6180
6181         * common.opt (fira): Remove.
6182
6183         * ira.c: Include except.h.
6184         (eliminable_regset): Move from global.c.
6185         (mark_elimination): Ditto.  Remove flag_ira.
6186         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
6187         equiv_mem_modified, validate_equiv_mem_from_store,
6188         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
6189         contains_replace_regs, memref_referenced_p, memref_used_between_p,
6190         no_equiv, recorded_label_ref): Move from local-alloc.c.
6191         (update_equiv_regs): Ditto.  Make it static.
6192         (print_insn_chain, print_insn_chains): Move it from global.c.
6193         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
6194         (build_insn_chain): Ditto.  Make it static.
6195         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
6196         Rename to init_live_subregs.
6197         (gate_ira): Remove flag_ira.
6198
6199         * regclass.c: Rename reginfo.c.  Change file description.
6200         (FORBIDDEN_INC_DEC_CLASSES): Remove.
6201         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
6202         (init_reg_sets_1): Remove code for evaluation of
6203         reg_class_superclasses and losing_caller_save_reg_set.
6204         (init_regs): Remove init_reg_autoinc.
6205         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
6206         ok_for_base_p_nonstrict): Remove.
6207         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
6208         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
6209         corresponding entries.
6210         (dump_regclass, record_operand_costs, scan_one_insn,
6211         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6212         record_address_regs, auto_inc_dec_reg_p): Remove.
6213         (gt-regclass.h): Rename to gt-reginfo.h.
6214
6215         * rtl.h (dump_global_regs, retry_global_alloc,
6216         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6217
6218         * Makefile.in (RA_H): Remove.
6219         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6220         Rename regclass.o to reginfo.o.
6221         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6222         gt-reginfo.h.
6223         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6224         (GTFILES): Rename regclass.c to reginfo.c.
6225
6226         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6227         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6228
6229         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6230         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6231         Remove flag_ira.
6232         (finish_spills): Ditto.  Remove code for !flag_ira.
6233         
6234 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6235
6236         PR middle-end/35854
6237         * doc/invoke.texi (rtl debug options): Complete rewrite.
6238         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6239         to auto_inc_dec".
6240         * mode-switching.c (pass_mode_switching): Rename pass from
6241         "mode-sw" to "mode_sw".
6242         * except.c (pass_convert_to_eh_ranges): Rename pass from
6243         "eh-ranges" to "eh_ranges".
6244         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6245         to "subreg1".
6246                 
6247         
6248 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6249             Alexander Monakov  <amonakov@ispras.ru>
6250
6251         PR middle-end/38857
6252         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6253         register.
6254         (move_exprs_to_boundary): Change return type and pass through
6255         should_move from move_op.  Relax assert.  Update usage ...
6256         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6257         cant_move.
6258         (move_op_orig_expr_found): Indicate that insn was disconnected from
6259         stream.
6260         (code_motion_process_successors): Do not call after_merge_succs
6261         callback if original expression was not found when traversing any of
6262         the branches.
6263         (code_motion_path_driver): Change return type.  Update prototype.
6264         (move_op): Update comment.  Add a new parameter (should_move).  Update
6265         prototype.  Set *should_move based on indication provided by
6266         move_op_orig_expr_found.
6267
6268 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6269
6270         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6271         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6272         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6273         * config/rs6000/rs6000.c (rs6000_override_options): Default
6274         avoid-indexed-addresses on for Power6, off for everything else.
6275         (avoiding_indexed_address_p): New function.
6276         (rs6000_legitimize_address): Use it.
6277         (rs6000_legitimate_address): Likewise.
6278         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6279
6280 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6281
6282         PR tree-optimization/38997
6283         * tree-loop-distribution.c (generate_memset_zero): Use
6284         POINTER_PLUS_EXPR for a pointer addition.
6285
6286 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6287
6288         * config/s390/s390.md (bswap<mode>2): New pattern added.
6289
6290 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6291
6292         * config/s390/s390.md (*tls_load_31): Added type attribute.
6293
6294 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6295
6296         * config/s390/s390.md: Fix a few comments.
6297
6298 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6299
6300         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6301         (*tm<mode>_full): Fixed z10prop attribute.
6302         (*tst<mode>_extimm): Fixed z10prop attribute.
6303         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6304         (*tstqiCCT_cconly): Fixed z10prop attribute.
6305         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6306         (*movsi_larl): Fixed z10prop attribute.
6307         (*movsi_zarch): Fixed z10prop attribute.
6308         (*movsi_eas): Fixed z10prop attribute.
6309         (*movhi): Fixed z10prop attribute.
6310         (*movqi): Fixed z10prop attribute.
6311         (*movstrictqi): Fixed z10prop attribute.
6312         (*mov<mode>): Fixed z10prop attribute.
6313         (*movcc): Fixed z10prop attribute.
6314         (*sethighpartdi_64): Fixed z10prop attribute.
6315         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6316         (*negdi2_sign_cc): Fixed z10prop attribute.
6317         (*negdi2_sign): Fixed z10prop attribute.
6318         (*absdi2_sign_cc): Fixed z10prop attribute.
6319         (*absdi2_sign): Fixed z10prop attribute.
6320         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6321         (*negabsdi2_sign): Fixed z10prop attribute.
6322         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6323         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6324         (doloop_si64): Fixed z10prop attribute.
6325         (doloop_si31): Fixed z10prop attribute.
6326         (doloop_long): Fixed z10prop attribute.
6327         (indirect_jump): Fixed z10prop attribute.
6328         (nop): Fixed z10prop attribute.
6329         (main_base_64): Fixed z10prop attribute.
6330         (reload_base_64): Fixed z10prop attribute.
6331
6332 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6333
6334         PR rtl-optimization/38740
6335         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6336         if !optimize.
6337         * config/mips/mips.c (mips_reorg): Likewise.
6338
6339 2009-01-28  Richard Guenther  <rguenther@suse.de>
6340
6341         PR tree-optimization/38926
6342         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6343         with the correct value id to a value.
6344         (do_regular_insertion): Use the value number of edoubleprime
6345         for the value number of the expr.
6346
6347         Revert
6348         2008-08-21  Richard Guenther  <rguenther@suse.de>
6349
6350         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6351         a PHI ask VN if it is already available.
6352         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6353         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6354
6355 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6356
6357         PR middle-end/38934
6358         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6359         set to varying whenever max has TREE_OVERFLOW set, similarly
6360         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6361
6362 2009-01-28  Richard Guenther  <rguenther@suse.de>
6363
6364         PR middle-end/38908
6365         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6366         uninitialized aggregate uses in call arguments.
6367
6368 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6369
6370         PR tree-optimization/38984
6371         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6372         the nothing_id variable if -fno-delete-null-pointer-checks.
6373
6374 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6375
6376         PR target/38988
6377         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6378         (set_got_offset_rex64): Ditto.
6379
6380 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6381
6382         PR target/38941
6383         * doc/extend.texi: Improve local variable with asm reg.
6384
6385 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6386
6387         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6388         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6389         was not supplied then set warn_packed_bitfield_compat to the
6390         default value of 1.
6391         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6392         against 1.
6393
6394 2009-01-27  Richard Guenther  <rguenther@suse.de>
6395
6396         PR tree-optimization/38503
6397         * cfgexpand.c (expand_gimple_basic_block): Ignore
6398         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6399         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6400         variables that cannot have TBAA applied.
6401         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6402         statements.
6403
6404 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6405
6406         PR middle-end/38969
6407         * calls.c (initialize_argument_information): Do not wrap complex
6408         arguments in SAVE_EXPR.
6409
6410 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6411
6412         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6413         (INSTALL_LIBGCC): Revert typo commit.
6414
6415 2009-01-26  Richard Guenther  <rguenther@suse.de>
6416
6417         PR tree-optimization/38745
6418         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6419         from special handling.
6420
6421 2009-01-26  Richard Guenther  <rguenther@suse.de>
6422
6423         PR tree-optimization/38745
6424         * tree-ssa.c (execute_update_addresses_taken): Do not include
6425         variables that cannot possibly be a register in not_reg_needs.
6426         Do not clear TREE_ADDRESSABLE on vars that may not become
6427         registers.
6428         * tree-ssa.c (update_alias_info_1): Include those in the set
6429         of addressable vars.
6430
6431 2009-01-26  Richard Guenther  <rguenther@suse.de>
6432
6433         PR middle-end/38851
6434         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6435         * tree-ssa-dse.c: Include langhooks.h
6436         (execute_simple_dse): Remove stores with zero size.
6437
6438 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6439
6440         PR c/38957
6441         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6442         as PLUS_EXPR.
6443
6444 2009-01-24  Julian Brown  <julian@codesourcery.com>
6445
6446         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6447         config/arm/linux-atomic.c.
6448         * config/arm/linux-atomic.c: New.
6449
6450 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6451
6452         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6453         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6454         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6455
6456 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6457
6458         PR c/38938
6459         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6460         properly.
6461
6462 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6463
6464         PR tree-optimization/38953
6465         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6466         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6467         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6468         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6469         changed the CFG.
6470
6471 2009-01-24  Paul Brook  <paul@codesourcery.com>
6472
6473         * config/arm/neon.md (neon_type): Move to arm.md.
6474         (neon_mov<VSTRUCT>): Add neon_type attribute.
6475         * config/arm/arm.md (neon_type): Move to here.
6476         (conds): Add "unconditioal" and use as default for NEON insns.
6477
6478 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6479
6480         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6481         void *' warning from -Wc++-compat.
6482         * Makefile.in (dominance.o-warn): Remove.
6483
6484 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6485
6486         PR tree-optimization/38932
6487         * fold-const.c (fold_unary_ignore_overflow): New.
6488         * tree.h (fold_unary_ignore_overflow): Declare.
6489         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6490         * tree-ssa-sccvn.c (visit_reference_op_load,
6491         simplify_unary_expression): Likewise.
6492
6493 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6494
6495         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6496         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6497         regardless of their type.
6498         * c-common.c (handle_packed_attribute): Don't ignore packed on
6499         bitfields.
6500         * c.opt (Wpacked-bitfield-compat): New warning option.
6501         * stor-layout.c (place_field): Warn if offset of a field changed.
6502         * doc/extend.texi (packed): Mention the ABI change.
6503         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6504         (Warning Options): Add it to the list.
6505
6506 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6507
6508         * c-opts.c (c_common_post_options): Fix a typo in comments.
6509
6510 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6511
6512         PR middle-end/38615
6513         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6514         variables to static.
6515         * doc/invoke.texi (-fmerge-all-constants): Update description.
6516
6517 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6518
6519         PR target/38931
6520         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6521         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6522
6523 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6524
6525         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6526         a word boundary.
6527         (LOCAL_ALIGNMENT): Similarly.
6528
6529 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6530             Joseph Myers  <joseph@codesourcery.com>
6531
6532         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6533         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6534         * config/arm/arm-tune.md: Regenerate.
6535         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6536         -march=iwmmxt2.
6537
6538 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6539
6540         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6541         version number to five.
6542
6543 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6544
6545         PR c++/38930
6546         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6547         * c-common.c (set_underlying_type): Likewise.
6548         (is_typedef_decl ): Likewise
6549         * tree.h: Likewise
6550         (set_underlying_type): Likewise.
6551         (is_typedef_type): Likewise.
6552
6553 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6554
6555         PR middle-end/38587
6556         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6557         crossing setjmps.
6558
6559 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6560
6561         PR bootstrap/37660
6562         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6563         (LIBGCC_SPEC):  Don't define.
6564         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6565
6566 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6567
6568         PR rtl-optimization/38879
6569         * alias.c (base_alias_check): Unaligned access via AND address can
6570         alias all surrounding object types except those with sizes equal
6571         or wider than the size of unaligned access.
6572
6573 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6574
6575         PR c++/26693
6576         * c-decl.c (clone_underlying_type): Move this ...
6577         * c-common.c (set_underlying_type): ... here.
6578         Also, make sure the function properly sets TYPE_STUB_DECL() on
6579         the newly created typedef variant type.
6580         (is_typedef_decl ): New entry point.
6581         * tree.h: Added a new member member_types_needing_access_check to
6582         struct tree_decl_non_common.
6583         (set_underlying_type): New entry point.
6584         (is_typedef_type): Likewise.
6585
6586 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6587
6588         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6589         Check whether two instructions have memory references that
6590         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6591         are helper functions for traversing.
6592         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6593         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6594         not to draw dependency edge for instructions with non-conflicting
6595         alias sets.
6596
6597 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6598
6599         PR other/38758
6600         * longlong.h: Update copyright years.  Use soft-fp license notice.
6601         Sync __clz_tab declaration with glibc.
6602
6603 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6604
6605         PR target/30687
6606         * doc/extend.texi (syscall_linkage): New.
6607         (version_id): Modify.
6608
6609 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6610             Richard Guenther  <rguenther@suse.de>
6611
6612         PR tree-optimization/38747
6613         PR tree-optimization/38748
6614         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6615         conversion if the base address is an indirect reference and the
6616         aliasing sets could cause issues.
6617
6618 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6619
6620         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6621         explaining why these options are not documented.
6622
6623 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6624
6625         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6626         gimple_call_lhs is NULL.
6627
6628 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6629
6630         PR target/38868
6631         * emit-rtl.c (adjust_address_1): Make sure memref is never
6632         overwritten.
6633
6634 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6635
6636         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6637         const qualifier from arg parameter. Remove unnecessary cast to char *.
6638         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6639         const qualifier from arg 2.
6640
6641 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6642
6643         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6644
6645 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6646
6647         PR c/38869
6648         * rtl.h (reinit_regs): New prototype.
6649         * regclass.c: Include ira.h.
6650         (reinit_regs): New.
6651         * Makefile.in (regclass.o): Add ira.h.
6652         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6653
6654 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6655
6656         PR target/38736
6657         * c-common.c (handle_aligned_attribute): Use
6658         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6659         default alignment value.
6660
6661         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6662
6663         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6664         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6665
6666         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6667         __BIGGEST_ALIGNMENT__.
6668
6669         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6670
6671 2009-01-18  Richard Guenther  <rguenther@suse.de>
6672
6673         PR tree-optimization/38819
6674         * tree-flow.h (operation_could_trap_helper_p): Declare.
6675         * tree-eh.c (operation_could_trap_helper_p): Export.
6676         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6677         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6678         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6679         are about to insert a possibly trapping instruction and fail
6680         in this case.
6681
6682 2009-01-18  Andreas Schwab  <schwab@suse.de>
6683
6684         * doc/install.texi (Configuration): Remove obsolete paragraph
6685         about use of --with-gnu-ld with --with-gnu-as.
6686
6687 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6688
6689         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6690         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6691         Follow spelling conventions.
6692
6693 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6694
6695         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6696         C++ warning about implicit conversion from void * to struct
6697         bitmap_head_def *.
6698         (bitmap_obstack_free): Likewise for bitmap_element *.
6699         * Makefile.in (bitmap.o-warn): Remove.
6700
6701 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6702
6703         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6704
6705 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6706             Tobias Grosser  <tobi.grosser@amd.com>
6707
6708         * graphite.c (graphite_trans_scop_block): Do not block single
6709         nested loops.
6710
6711 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6712
6713         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6714         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6715         test with assertion.
6716
6717 2009-01-16  Richard Guenther  <rguenther@suse.de>
6718
6719         PR tree-optimization/38835
6720         PR middle-end/36227
6721         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6722         and INT + PTR -> (INT)(PTR p+ INT) folding.
6723         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6724
6725 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6726
6727         PR target/38554
6728         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6729         the subreg from a lowpart subreg if it is also casting the value.
6730
6731 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6732             Tobias Grosser  <tobi.grosser@amd.com>
6733
6734         * graphite.c (compare_prefix_loops): New.
6735         (build_scop_canonical_schedules): Rewritten.
6736         (graphite_transform_loops): Move build_scop_canonical_schedules
6737         after build_scop_iteration_domain.
6738
6739 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6740             Tobias Grosser  <tobi.grosser@amd.com>
6741
6742         * graphite.c (add_conditions_to_domain): Add the loops to 
6743         the dimension of the iteration domain.  Do copy the domain
6744         only when it exists.
6745         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6746         (add_conditions_to_constraints): New.
6747         (can_generate_code_stmt, can_generate_code): Removed.
6748         (gloog): Do not call can_generate_code.
6749         (graphite_transform_loops): Call add_conditions_to_constraints
6750         after building the iteration domain.
6751
6752 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6753
6754         PR tree-optimization/38789
6755         * tree-ssa-threadedge.c
6756         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6757         __builtin_constant_p.
6758
6759 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6760
6761         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6762         examined before deleting them.
6763         
6764 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6765
6766         * function.c (aggregate_value_p): Correctly extract the function
6767         type from CALL_EXPR_FN lookup.
6768
6769 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6770
6771         * config/picochip/picochip.c (picochip_override_options): Revert
6772         CFI asm flag disable commited previously.
6773
6774 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6775             Tobias Grosser  <tobi.grosser@amd.com>
6776             Jan Sjodin  <jan.sjodin@amd.com>
6777
6778         * graphite.c (scan_tree_for_params): On substractions negate
6779         all the coefficients of the term.
6780         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6781         of more than two operands.
6782         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6783         (get_vdef_before_scop): Handle also the case of default definitions.
6784
6785 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6786
6787         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6788         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6789         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6790
6791 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6792             Joey Ye  <joey.ye@intel.com>
6793
6794         PR middle-end/37843
6795         * cfgexpand.c (expand_stack_alignment): Don't update stack
6796         boundary nor check incoming stack boundary here.
6797         (gimple_expand_cfg): Update stack boundary and check incoming
6798         stack boundary here.
6799
6800 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6801
6802         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6803         
6804 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6805
6806         PR rtl-optimization/38245
6807         * calls.c (expand_call): Add stack arguments to
6808         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6809         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6810         in regs and partially in memory or BLKmode arguments.
6811         (emit_library_call_value_1): Add stack arguments to
6812         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6813         ACCUMULATE_OUTGOING_ARGS).
6814         * dce.c: Include tm_p.h.
6815         (find_call_stack_args): New function.
6816         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6817         argument.
6818         (mark_insn): Call find_call_stack_args for CALL_Ps.
6819         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6820         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6821         down to deletable_insn_p, don't mark stores set in arg_stores
6822         bitmap, clear the bitmap at the beginning of each bb.
6823         * Makefile.in (dce.o): Depend on $(TM_P_H).
6824
6825 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6826
6827         PR target/22599
6828         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6829         to make sure the insn is a conditional test (bug 22599).  Reformat a
6830         few long lines.
6831
6832 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6833
6834         PR middle-end/38431
6835         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6836         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6837         (gloog): Do not call cleanup_tree_cfg.
6838         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6839         scops have been code generated.
6840
6841 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6842         * doc/gty.texi (Invoking the garbage collector): Added new node
6843         and section documenting ggc_collect.
6844
6845 2009-01-14  Richard Guenther  <rguenther@suse.de>
6846
6847         PR tree-optimization/38826
6848         PR middle-end/38477
6849         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6850         initialization notes only if we actually emitted a warning.
6851         (intra_create_variable_infos): Add constraints for a result decl
6852         that is passed by hidden reference.
6853         (build_pred_graph): Mark all related variables non-direct on
6854         address-taking.
6855
6856 2009-01-14  Nick Clifton  <nickc@redhat.com>
6857
6858         * ira-conflicts.c: Include addresses.h for the definition of
6859         base_reg_class.
6860         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6861         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6862
6863 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6864
6865         PR target/38811
6866         * Makefile.in (ira-lives.o): Add except.h.
6867
6868         * ira-lives.c: Include except.h.
6869         (process_bb_node_lives): Process can_throw_internal.
6870
6871 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6872
6873         PR rtl-optimization/38774
6874         * combine.c (simplify_set): When undoing cc_use change, don't do
6875         PUT_CODE on the newly created comparison, but instead put back the
6876         old comparison.
6877
6878 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6879
6880         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6881         values.  Remove duplicate arm8 entry.
6882
6883 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6884
6885         PR tree-optimization/38786
6886         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6887         the SSA_NAME case of expand_scalar_variables_expr.
6888         Set the type of an expression to the type of its assign statement.
6889         (expand_scalar_variables_expr): Also gather the scalar computation
6890         used to index the memory access.  Do not pass loop_p.
6891         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6892         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6893         the gimple_stmt_iterator where it inserts new code.
6894         Do not pass loop_p.
6895         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6896         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6897
6898 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6899
6900         * graphite.h (debug_value): Removed.
6901         * graphite.c (debug_value): Removed.
6902
6903 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6904
6905         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6906         ldrd/strd with two 32-bit instructions.
6907
6908 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6909
6910         * config/arm/arm.c (struct processors): Pass for speed down into
6911         cost helper functions.
6912         (const_ok_for_op): Handle COMPARE and inequality nodes.
6913         (arm_rtx_costs_1): Rewrite.
6914         (arm_size_rtx_costs): Update prototype.
6915         (arm_rtx_costs): Pass speed down to helper functions.
6916         (arm_slowmul_rtx_costs): Rework cost calculations.
6917         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6918         (arm_9e_rtx_costs): Likewise.
6919
6920 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6921
6922         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6923         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6924         (alpha_legitimize_address): Do not split local symbols wider than
6925         UNITS_PER_WORD into HIGH/LO_SUM parts.
6926
6927 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6928
6929         PR bootstrap/38580
6930         * gcc.c (process_command): Replace call to execvp with calls
6931         to pex_one and exit.
6932
6933 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6934
6935         PR target/29141
6936         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6937         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6938         variant for devices with 3-byte PC.
6939         (__tablejump_elpm__): New.
6940
6941 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6942
6943         PR c/32041
6944         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6945         offsetof member-designator, handle it as `[0].'.
6946
6947 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6948
6949         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6950         function when not using named sections on targets with named sections
6951         if branch distance is less than 262132.
6952
6953 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6954
6955         * combine.c (combine_instructions):  Recompute
6956         optimize_this_for_speed_p  for each BB in the main combine loop.
6957
6958 2009-01-12  Tomas Bily  <tbily@suse.cz>
6959
6960         PR middlend/38385
6961         * tree-loop-distribution.c (prop_phis): New function.
6962         (generate_builtin): Call prop_phis.
6963         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6964
6965 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6966
6967         PR tree-optimization/38807
6968         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6969         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6970
6971 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6972
6973         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6974         subreg of op0 to the original op0.
6975
6976 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6977
6978         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6979         
6980 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6981
6982         PR debug/7055
6983         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6984         starting with digits.
6985
6986 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6987
6988         PR target/38695
6989         * config/arm/arm.c (arm_is_long_call_p): Don't call
6990         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6991
6992 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6993
6994         * regrename.c (regrename_optimize): Fix dumping.
6995         (find_oldest_value_reg): Preserve REG_POINTER.
6996         (copy_hardreg_forward_1): Likewise.
6997
6998 2009-01-09  Diego Novillo  <dnovillo@google.com>
6999
7000         * gimple.h (struct gimple_statement_base) <uid>: Document
7001         the restrictions on its use.
7002         (gimple_uid): Tidy.
7003         (gimple_set_uid): Tidy.
7004
7005 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
7006
7007         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
7008         zero guard even if align_bytes != 0 and count is smaller than
7009         size_needed.
7010
7011 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
7012
7013         PR rtl-optimization/38495
7014         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
7015         (add_range_and_copies_from_move_list): Print all added ranges.
7016         Add ranges to memory optimized destination.
7017
7018 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
7019
7020         PR target/38686
7021         PR target/38708
7022         * config/i386/i386.c (override_options): Reject
7023         -mstringop-strategy=rep_8byte with -m32.
7024         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
7025         to 1.  Do count comparison against epilogue_size_needed at compile
7026         time even when count_exp was constant forced into register.  For
7027         size_needed don't jump to epilogue, instead just avoid aligning
7028         and invoke the body algorithm.  If need_zero_guard, add zero guard
7029         even if count is non-zero, but smaller than size_needed + number of
7030         bytes that could be stored for alignment.
7031         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
7032         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
7033         but smaller than size_needed + number of bytes that could be stored
7034         for alignment.  Compare size_needed with epilogue_size_needed instead
7035         of desired_align - align, don't adjust size_needed, pass
7036         epilogue_size_needed to the epilogue expanders.
7037
7038         PR c/35742
7039         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
7040
7041 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7042
7043         * pa.c (last_address): Change to unsigned.
7044         (update_total_code_bytes): Change argument to unsigned.  Don't
7045         check if insn addresses are set.
7046         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
7047         addresses are not set.
7048         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
7049
7050 2009-01-09  Nick Clifton  <nickc@redhat.com>
7051
7052         * config/sh/symbian.c: Replace uses of DECL_INLINE with
7053         DECL_DECLARED_INLINE_P.
7054
7055 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
7056
7057         PR middle-end/38347
7058         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
7059         GET_MODE (op0) in operand_subword_force calls.
7060
7061         PR middle-end/38771
7062         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
7063         fold_convert arg0 operands to TREE_TYPE (op0) first.
7064
7065 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
7066
7067         * params.def (ira-max-conflict-table-size): Decrease default value
7068         to 1000.
7069
7070 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
7071
7072         PR tree-optimization/37031
7073         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
7074         on parameter_set.
7075         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
7076         allocate it using gc instead of heap, use VEC_quick_push instead of
7077         VEC_safe_push.
7078         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
7079         instead of heap, use VEC_quick_push instead of VEC_safe_push.
7080         * tree-data-ref.h (struct access_matrix): Change matrix to gc
7081         allocated vector from heap allocated.
7082         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
7083         * tree-loop-linear.c (linear_transform_loops): Allocate nest
7084         vector only after perfect_loop_nest_depth call.
7085
7086 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
7087             Jan Sjodin  <jan.sjodin@amd.com>
7088
7089         PR tree-optimization/38559
7090         * graphite.c (debug_value, copy_constraint,
7091         swap_constraint_variables, scale_constraint_variable, ): New.
7092         (get_lower_bound, get_upper_bound): Removed.
7093         (graphite_trans_bb_strip_mine): Clean up this code that works
7094         only for constant number of iterations.  Fully copy upper and
7095         lower bound constraints, not only the constant part of them.
7096         * graphite.h (debug_value): Declared.
7097
7098 2009-01-08  Ira Rosen  <irar@il.ibm.com>
7099
7100         PR tree-optimization/37194
7101         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
7102         Don't add the cost of cost model guard in prologue to scalar 
7103         outside cost in case of known number of iterations.
7104
7105 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
7106             Alan Modra  <amodra@bigpond.net.au>
7107
7108         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
7109         non-word-aligned REG+CONST addressing.
7110
7111 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
7112
7113         PR target/38706
7114         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
7115         free_after_compilation when outputting a thunk.
7116         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
7117         Do not call free_after_compilation here.
7118
7119 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
7120
7121         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
7122         (ix86_valid_target_attribute_inner_p): Ditto.
7123
7124 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
7125
7126         PR tree-optimization/38492
7127         PR tree-optimization/38498
7128         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
7129         * tree-chrec.h (scev_is_linear_expression): Declared.
7130         * graphite.c (graphite_cannot_represent_loop_niter): New.
7131         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
7132         (graphite_loop_normal_form): Use gcc_assert.
7133         (scan_tree_for_params): Use CASE_CONVERT.
7134         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
7135         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
7136         Use gcc_assert.  Discard scops that contain unhandled cases.
7137         (build_scop_conditions): Return a boolean status for unhandled cases.
7138         (strip_mine_profitable_p): Print the loop number, not its depth.
7139         (is_interchange_valid): Pass the depth of the loop nest, don't
7140         recompute it wrongly.
7141         (graphite_trans_bb_block): Same.
7142         (graphite_trans_bb_block): Print tentative of loop blocking.
7143         (graphite_trans_scop_block): Do not print that the loop has been
7144         blocked.
7145         (graphite_transform_loops): Do not handle scops that contain condition
7146         scalar phi nodes.
7147
7148 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
7149
7150         AVX Programming Reference (December, 2008)
7151         * config/i386/avxintrin.h (_mm256_stream_si256): New.
7152         (_mm256_stream_pd): Likewise.
7153         (_mm256_stream_ps): Likewise.
7154
7155         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
7156         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
7157         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
7158         (bdesc_special_args): Add __builtin_ia32_movntdq256,
7159         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
7160         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
7161         (ix86_expand_special_args_builtin): Likewise.
7162
7163         * config/i386/sse.md (AVXMODEDI): New.
7164         (avx_movnt<mode>): Likewise.
7165         (avx_movnt<mode>): Likewise.
7166         (<sse>_movnt<mode>): Remove AVX support.
7167         (sse2_movntv2di): Likewise.
7168
7169 2009-01-07  Richard Guenther  <rguenther@suse.de>
7170
7171         PR middle-end/38751
7172         * fold-const.c (extract_muldiv): Remove obsolete comment.
7173         (fold_plusminus_mult_expr): Undo MINUS_EXPR
7174         to PLUS_EXPR canonicalization for the canonicalization.
7175
7176 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
7177
7178         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
7179         hosted cross-compilers generating less efficient code.
7180
7181 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7182
7183         * function.h (rtl_data): Add a dbr_scheduled_p field.
7184         * reorg.c (dbr_schedule): Set it.
7185         (gate_handle_delay_slots): Check it.
7186         * config/mips/mips.c (mips_base_delayed_branch): Delete.
7187         (mips_reorg): Check flag_delayed_branch instead of
7188         mips_base_delayed_branch.
7189         (mips_override_options): Don't set mips_base_delayed_branch
7190         or flag_delayed_branch.
7191
7192 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7193
7194         PR rtl-optimization/38426.
7195         * ira.c (ira): Set current_function_is_leaf earlier.
7196
7197 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
7198
7199         PR rtl-optimization/38722
7200         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
7201         too early, only set a flag and modify after last possible
7202         undo_all point.
7203
7204 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
7205
7206         PR c/34252
7207         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7208         * real.c (decimal_single_format): Correct values of emin and emax.
7209         (decimal_double_format): Ditto.
7210         (decimal_quad_format): Ditto.
7211         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7212         computation of DECnn_MIN and DECnn_MAX for corrected values of
7213         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
7214         __DECnn_MIN__, and adjust its computation for the corrected value
7215         of emin.
7216
7217 2009-01-06  Jan Hubicka  <jh@suse.cz>
7218
7219         PR target/38744
7220         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7221
7222 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7223
7224         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7225         Add Robert Clark to the list of testers.
7226
7227 2009-01-06  Jan Hubicka  <jh@suse.cz>
7228             Kai Tietz  <kai.tietz@onevision.com>
7229
7230         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7231         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7232
7233 2009-01-06  Jan Hubicka  <jh@suse.cz>
7234             Kai Tietz  <kai.tietz@onevision.com>
7235
7236         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7237         for w64 ABI.
7238         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7239         (ix86_nsaved_regs): Count only general purpose regs.
7240         (ix86_nsaved_sseregs): New.
7241         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7242         to 16 for w64; compute padding and size of sse reg save area.
7243         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7244         general purpose regs.
7245         (ix86_emit_save_sse_regs_using_mov): New.
7246         (ix86_expand_prologue): Save SSE regs if needed.
7247         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7248         (ix86_emit_restore_sse_regs_using_mov): New.
7249         (ix86_expand_epilogue): Save SSE regs if needed.
7250
7251 2009-01-06  Jan Hubicka  <jh@suse.cz>
7252             Kai Tietz  <kai.tietz@onevision.com>
7253
7254         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7255         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7256         functions when accumulate outgoing args is off.
7257
7258 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7259
7260         PR bootstrap/38742
7261         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7262         before using pseudos_have_intersected_live_ranges_p.
7263
7264         * ira-int.h (ira_assert): Always define.
7265
7266 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7267
7268         AVX Programming Reference (December, 2008)
7269         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7270         (_mm256_permute2_pd): Likewise.
7271         (_mm_permute2_ps): Likewise.
7272         (_mm256_permute2_ps): Likewise.
7273         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7274         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7275
7276         * config/i386/i386.c (ix86_builtins): Remove
7277         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7278         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7279         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7280         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7281         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7282         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7283         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7284         __builtin_ia32_vpermil2ps256.
7285         (ix86_init_mmx_sse_builtins): Updated.
7286         (ix86_expand_args_builtin): Likewise.
7287
7288 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7289
7290         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7291         long absolute calls when generating PA 2.0 code.
7292
7293 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7294
7295         PR rtl-optimization/38583
7296         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7297
7298         * params.def (ira-max-conflict-table-size): New.
7299
7300         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7301         
7302         * ira.h (ira_conflicts_p): New external definition.
7303         
7304         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7305         table.  Report this.  Return result of building.
7306         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7307         building conflict table.
7308
7309         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7310         (ira_color): Use ira_conflicts_p.
7311         
7312         * global.c: Include ira.h.
7313         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7314         ira_conflicts_p.
7315
7316         * Makefile.in (global.o): Add ira.h.
7317         
7318         * ira-build.c (mark_all_loops_for_removal,
7319         propagate_some_info_from_allocno): New.
7320         (remove_unnecessary_allocnos): Call
7321         propagate_some_info_from_allocno.
7322         (remove_low_level_allocnos): New.
7323         (remove_unnecessary_regions): Add parameter.  Call
7324         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7325         parameter to remove_unnecessary_regions.
7326         (ira_build): Remove all regions but root if the conflict table was
7327         not built.  Update conflict hard regs for allocnos crossing calls.
7328
7329         * ira.c (ira_conflicts_p): New global.
7330         (ira): Define and use ira_conflicts_p.
7331
7332         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7333         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7334         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7335         
7336 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7337
7338         * gengtype-lex.l (YY_NO_INPUT): Define.
7339
7340 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7341
7342         PR c/34911
7343         * c-common.c (handle_vector_size_attribute): Also reject
7344         BOOLEAN_TYPE types.
7345
7346 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7347
7348         PR tree-optimization/38492
7349         * graphite.c (rename_map_elt, debug_rename_elt,
7350         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7351         rename_map_elt_info, eq_rename_map_elts,
7352         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7353         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7354         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7355         (sese_build_livein_liveouts): New.
7356         (new_sese, free_sese): New.
7357         (new_scop): Call new_sese.
7358         (free_scop): Call free_sese.
7359         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7360         (register_old_new_names): Renamed register_old_and_new_names.
7361         (register_scop_liveout_renames, add_loop_exit_phis,
7362         insert_loop_close_phis, struct igp,
7363         default_liveout_before_guard, add_guard_exit_phis,
7364         insert_guard_phis, copy_renames): New.
7365         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7366         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7367         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7368         (scop_adjust_phis_for_liveouts): New.
7369         (gloog): Call scop_adjust_phis_for_liveouts.
7370
7371         * graphite.h (struct sese): Documented.  Added fields liveout,
7372         num_ver and livein.
7373         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7374         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7375         (struct scop): Added field liveout_renames.
7376         (SCOP_LIVEOUT_RENAMES): New.
7377
7378 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7379
7380         PR tree-optimization/38510
7381         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7382         (translate_clast): Call recompute_all_dominators before
7383         graphite_verify.
7384         (gloog): Call recompute_all_dominators before graphite_verify.
7385
7386 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7387             Jan Sjodin  <jan.sjodin@amd.com>
7388
7389         PR tree-optimization/38500
7390         * graphite.c (create_sese_edges): Call fix_loop_structure after
7391         splitting blocks.
7392
7393 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7394
7395         * config.gcc: Add m32r*-*-rtems*.
7396         * config/m32r/rtems.h: New file.
7397
7398 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7399
7400         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7401         (.po.pox): Likewise.
7402         (po/gcc.pot): Likewise.
7403
7404 2009-01-04  David S. Miller  <davem@davemloft.net>
7405
7406         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7407         (STARTING_FRAME_OFFSET): Always set to zero.
7408
7409 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7410
7411         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7412         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7413         fixed-point types, and vectors of the same.
7414
7415 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7416
7417         * config/mips/sync.md (*mb_barrier): Rename to...
7418         (*memory_barrier): ...this.
7419
7420 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7421
7422         * doc/extend.texi (Function Attributes): Move @cindex after @item
7423         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7424         and put in alphabetical order. Fix 'target' name and put in order.
7425         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7426         typos.
7427
7428 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7429
7430         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7431         (memory_barrier): Expand as unspec instead of unspec_volatile.
7432         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7433         (*memory_barrier): Define as unspec instead of unspec_volatile.
7434         Use (match_dup 0) as input operand.
7435
7436         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7437         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7438         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7439         scratch register.  Remove operand 1.
7440         (*stbar): Define as unspec instead of unspec_volatile.
7441         Use (match_dup 0) as input operand, remove (const_int 8).
7442         (*membar): Define as unspec instead of unspec_volatile.
7443         Use (match_dup 0) as input operand, remove input operand 2.
7444
7445         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7446         (memory_barrier): Expand as unspec instead of unspec_volatile.
7447         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7448         (*memory_barrier): Define as unspec instead of unspec_volatile.
7449         Use (match_dup 0) as input operand.
7450
7451         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7452         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7453         Set volatile flag on operand 0.
7454         (*memory_barrier): New insn pattern.
7455
7456         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7457         insn operands.
7458         (*memory_barrier): Use (match_dup 0) as input operand.
7459
7460         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7461         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7462         Set volatile flag on operand 0.
7463         (*mb_internal): New insn pattern.
7464
7465         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7466
7467 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7468
7469         PR middle-end/38586
7470         * function.c (struct temp_slot): Move to the section of the file
7471         that deals with temp slots.  Remove field 'address'.
7472         (temp_slot_address_table): New hash table of address -> temp slot.
7473         (struct temp_slot_address_entry): New struct, items for the table.
7474         (temp_slot_address_compute_hash, temp_slot_address_hash,
7475         temp_slot_address_eq, insert_temp_slot_address): Support functions
7476         for the new table.
7477         (find_temp_slot_from_address): Rewrite to use the new hash table.
7478         (remove_unused_temp_slot_addresses): Remove addresses of temp
7479         slots that have been made available.
7480         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7481         worker function for remove_unused_temp_slot_addresses.
7482         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7483         Add the temp slot address to the address -> temp slot map.
7484         (update_temp_slot_address): Update via insert_temp_slot_address.
7485         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7486         (pop_temp_slots): Likewise.
7487         (init_temp_slots): Allocate the address -> temp slot map, or empty
7488         the map if it is already allocated.
7489         (prepare_function_start): Initialize temp slot processing.
7490
7491 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7492
7493         PR middle-end/38584
7494         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7495         Calculate the size of all stack vars assuming no packing of stack
7496         vars will happen, replacing a quadratic algorithm with a linear one.
7497
7498 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7499
7500         PR target/38707
7501         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7502         can't be used.
7503
7504 2009-01-03  Diego Novillo  <dnovillo@google.com>
7505
7506         * doc/contrib.texi: Update contributions.
7507
7508 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7509
7510         PR c++/38705
7511         * builtins.c (fold_builtin_memory_op): Give up if either operand
7512         is volatile.  Set srctype or desttype to non-qualified version
7513         of the other type.
7514
7515         PR c/38700
7516         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7517         and FUNCTION_DECLs.
7518
7519 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7520
7521         PR rtl-optimization/35805
7522         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7523         problem if fast dce is able to remove any instructions.
7524         * dce.c (dce_process_block): Fix dump message.
7525         
7526 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7527
7528         PR 33649
7529         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7530
7531 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7532
7533         PR middle-end/38690
7534         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7535         * tree-pretty-print.c (op_code_prio): New function.
7536         (op_prio): No longer static.  Use op_code_prio.
7537         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7538         Use op_prio and op_code_prio to determine if () should be
7539         printed around operand(s) or not.
7540
7541         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7542         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7543         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7544         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7545         pp_character instead of pp_string for single letter printing.
7546
7547 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7548
7549         * doc/extend.texi: Fix '#pragma GCC option' typo.
7550
7551 2009-01-02  Richard Guenther  <rguenther@suse.de>
7552
7553         * doc/install.texi (--enable-checking): Mention different
7554         default for stage1.
7555         (--enable-stage1-checking): Document.
7556
7557 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7558
7559         PR middle-end/30142
7560         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7561         case to be an error.
7562
7563 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7564
7565         * config/fp-bit.h (pack_d): Constify argument.
7566         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7567         (isnan): Constify argument.
7568         (isinf): Likewise.
7569         (iszero): Likewise.
7570         (pack_d): Likewise.
7571         (_fpadd_parts): Constify return type.
7572         (_fpmul_parts): Likewise.
7573         (_fpdiv_parts): Likewise.
7574
7575 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7576
7577         PR c/36489
7578         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7579         warn about overwriting initializer with side-effects or
7580         -Woverride-init if !IMPLICIT.
7581         (output_init_element): Likewise.  Pass IMPLICIT down to
7582         add_pending_init.
7583         (process_init_element): Add IMPLICIT argument.  Pass it down
7584         to output_init_element.
7585         (push_init_element, pop_init_level, set_designator): Adjust
7586         process_init_element callers.
7587         (set_nonincremental_init, set_nonincremental_init_from_string):
7588         Adjust add_pending_init callers.
7589         (output_pending_init_elements): Adjust output_init_element callers.
7590         * c-tree.h (process_init_element): Adjust prototype.
7591         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7592         process_init_element callers.