2009-04-17 Andrew Stubbs <ams@codesourcery.com>
[official-gcc.git] / gcc / ChangeLog
blob69aaa37fca67810429c4017574c6ddc385bc68df
1 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
3         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
5         (--with-multilib-list): Add default value.
6         * configure: Regenerate.
7         * Makefile.in (TM_ENDIAN_CONFIG): Define.
8         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
9         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
10         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
11         Don't add default cpu to multilib list unnecessarily, but do enable
12         the relevant compiler option..
13         Add support for --with-multilib-list=<blank> and
14         --with-multilib-list=!<somelib> to supress unwanted multilibs.
15         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
16         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
17         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
18         TM_MULTILIB_CONFIG.
19         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
20         (MULTILIB_OSDIRNAMES): New variable.
21         * config/sh/t-1e: Delete file.
22         * config/sh/t-mlib-sh1: Delete file.
23         * config/sh/t-mlib-sh2: Delete file.
24         * config/sh/t-mlib-sh2a: Delete file.
25         * config/sh/t-mlib-sh2a-nofpu: Delete file.
26         * config/sh/t-mlib-sh2a-single: Delete file.
27         * config/sh/t-mlib-sh2a-single-only: Delete file.
28         * config/sh/t-mlib-sh2e: Delete file.
29         * config/sh/t-mlib-sh3e: Delete file.
30         * config/sh/t-mlib-sh4: Delete file.
31         * config/sh/t-mlib-sh4-nofpu: Delete file.
32         * config/sh/t-mlib-sh4-single: Delete file.
33         * config/sh/t-mlib-sh4-single-only: Delete file.
34         * config/sh/t-mlib-sh4a: Delete file.
35         * config/sh/t-mlib-sh4a-nofpu: Delete file.
36         * config/sh/t-mlib-sh4a-single: Delete file.
37         * config/sh/t-mlib-sh4a-single-only: Delete file.
38         * config/sh/t-mlib-sh4al: Delete file.
39         * config/sh/t-mlib-sh5-32media: Delete file.
40         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
41         * config/sh/t-mlib-sh5-64media: Delete file.
42         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
43         * config/sh/t-mlib-sh5-compact: Delete file.
44         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
45         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
46         * doc/install.texi (Options specification): Add
47         --with-multilib-list and --with-endian.
49 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
51         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
52         REVISION_c.
53         (OBJS-common): Add plugin-version.o.
54         (plugin-version.o): New.
55         * gcc-plugin.h (plugin_gcc_version): New.
56         (plugin_default_version_check): New.
57         (plugin_init_func, plugin_init): Add version argument.
58         * plugin-version.c: New.
59         * plugin.c (str_plugin_gcc_version_name): New.
60         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
61         pass it to the init function.
62         (plugin_default_version_check): New.
64 2009-04-17  Richard Guenther  <rguenther@suse.de>
66         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
67         for decl-vs-decl disambiguation.
69 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
71         * config/s390/s390.h (s390_tune_attr): New macro definition.
72         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
74 2009-04-17  Richard Guenther  <rguenther@suse.de>
76         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
77         (fold_stmt_r): Likewise.
78         (maybe_fold_reference): New function.
79         (fold_gimple_assign): Handle cases fold_stmt_r did.
80         (fold_stmt): Do not use fold_stmt_r.
81         (fold_stmt_inplace): Likewise.
83 2009-04-17  Richard Guenther  <rguenther@suse.de>
85         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
86         (record_equivalences_from_stmt): Remove useless checks and
87         simplifications.
88         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
89         the type is already suitable.
91 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
93         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
95 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
97         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
98         (CMPtype): Define as __gcc_CMPtype.
100 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
102         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
103         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
105 2009-04-17  Richard Guenther  <rguenther@suse.de>
107         PR tree-optimization/39746
108         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
109         special-casing for builtins and static variable use/def.
110         (call_may_clobber_ref_p_1): Likewise.
112 2009-04-16  Ian Lance Taylor  <iant@google.com>
114         * df.h: Include "timevar.h".
115         (struct df_problem): Change tv_id field to timevar_id_t.
116         * tree-pass.h: Include "timevar.h".
117         (struct opt_pass): Change tv_id field to timevar_id_t.
118         * timevar.h (timevar_id_t): Define TV_NONE.
119         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
120         TV_NONE rather than tv_id != 0.
121         (execute_one_pass): Likewise.
122         * Makefile.in (DF_H): Add $(TIMEVAR_H).
123         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
124         dependencies to $(TREE_PASS_H).
125         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
126         to TV_NONE.
127         (pass_branch_target_load_optimize2): Likewise.
128         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
129         (pass_outof_cfg_layout_mode): Likewise.
130         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
131         (pass_rebuild_cgraph_edges): Likewise.
132         (pass_remove_cgraph_callee_edges): Likewise.
133         * df-core.c (pass_df_initialize_opt): Likewise.
134         (pass_df_initialize_no_opt): Likewise.
135         (pass_df_finish): Likewise.
136         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
137         * except.c (pass_set_nothrow_function_flags): Likewise.
138         (pass_convert_to_eh_region_ranges): Likewise.
139         * final.c (pass_compute_alignments): Likewise.
140         * function.c (pass_instantiate_virtual_regs): Likewise.
141         (pass_init_function): Likewise.
142         (pass_leaf_regs): Likewise.
143         (pass_match_asm_constraints): Likewise.
144         * gimple-low.c (pass_lower_cf): Likewise.
145         (pass_mark_used_blocks): Likewise.
146         * init-regs.c (pass_initialize_regs): Likewise.
147         * integrate.c (pass_initial_value_sets): Likewise.
148         * ira.c (pass_ira): Likewise.
149         * jump.c (pass_cleanup_barriers): Likewise.
150         * omp-low.c (pass_expand_omp): Likewise.
151         (pass_lower_omp): Likewise.
152         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
153         * recog.c (pass_split_all_insns): Likewise.
154         (pass_split_after_reload): Likewise.
155         (pass_split_before_regstack): Likewise.
156         (pass_split_before_sched2): Likewise.
157         (pass_split_for_shorten_branches): Likewise.
158         * reginfo.c (pass_reginfo_init): Likewise.
159         (pass_subregs_of_mode_init): Likewise.
160         (pass_subregs_of_mode_finish): Likewise.
161         * passes.c (pass_postreload): Likewise.
162         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
163         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
164         (pass_warn_function_return): Likewise.
165         (pass_warn_function_noreturn): Likewise.
166         * tree-complex.c (pass_lower_complex): Likewise.
167         (pass_lower_complex_O0): Likewise.
168         * tree-if-conv.c (pass_if_conversion): Likewise.
169         * tree-into-ssa.c (pass_build_ssa): Likewise.
170         * tree-mudflap.c (pass_mudflap_1): Likewise.
171         (pass_mudflap_2): Likewise.
172         * tree-nomudflap.c (pass_mudflap_1): Likewise.
173         (pass_mudflap_2): Likewise.
174         * tree-nrv.c (pass_return_slot): Likewise.
175         * tree-object-size.c (pass_object_sizes): Likewise.
176         * tree-optimize.c (pass_all_optimizations): Likewise.
177         (pass_early_local_passes): Likewise.
178         (pass_all_early_optimizations): Likewise.
179         (pass_cleanup_cfg): Likewise.
180         (pass_cleanup_cfg_post_optimizing): Likewise.
181         (pass_free_datastructures): Likewise.
182         (pass_free_cfg_annotations): Likewise.
183         (pass_fixup_cfg): Likewise.
184         (pass_init_datastructures): Likewise.
185         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
186         (pass_late_warn_uninitialized): Likewise.
187         (pass_update_address_taken): Likewise.
188         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
189         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
190         (pass_cse_sincos): Likewise.
191         (pass_convert_to_rsqrt): Likewise.
192         * tree-ssa-structalias.c (pass_build_alias): Likewise.
193         * tree-stdarg.c (pass_stdarg): Likewise.
194         * tree-tailcall.c (pass_tail_recursion): Likewise.
195         (pass_tail_calls): Likewise.
196         * tree-vect-generic.c (pass_lower_vector): Likewise.
197         (pass_lower_vector_ssa): Likewise.
198         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
200 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
202         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
203         XLR entry.
204         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
205         Handle -march=xlr.
206         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
207         logical and signext.
209 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
211         PR target/39767
212         * config/sh/predicates.md (arith_operand): Check if the operand
213         of TRUNCATE is a REG.
215 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
217         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
218         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
220 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
222         * tree-iterator.c (tsi_split_statement_list_after,
223         tsi_split_statement_list_before): Remove.
224         * tree-iterator.h: Remove the prototypes for
225         tsi_split_statement_list_after and tsi_split_statement_list_before.
227 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
229         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
230         * tree-ssa-propagate.h: Remove the prototype for
231         stmt_makes_single_load.
233 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
235         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
236         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
238 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
240         * tree-iterator.c (EXPR_LAST_BODY): Remove.
242 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
244         * except.c (eh_region_outer_p): Remove.
245         * except.h: Remove the prototype for eh_region_outer_p.
247 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
249         * function.c (current_function_assembler_name): Remove.
250         * function.h: Remove the prototype for
251         current_function_assembler_name.
253 2009-04-16  Ian Lance Taylor  <iant@google.com>
255         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
256         (add_reg_note): Call alloc_reg_note.
257         * rtl.h (alloc_reg_note): Declare.
258         * combine.c (try_combine): Use alloc_reg_note.
259         (recog_for_combine, move_deaths): Likewise.
260         (distribute_notes): Use alloc_reg_note and add_reg_note.
261         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
262         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
263         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
265 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
267         PR rtl-optimization/39762
268         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
269         ira_may_move_out_cost): Add comments about way of their usage.
270         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
271         
272         * ira-conflicts.c (process_regs_for_copy): Use function
273         ira_get_register_move_cost instead of global
274         ira_register_move_cost.
276         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
277         color_pass, move_spill_restore, update_curr_costs): Ditto.
279         * ira-lives.c (process_single_reg_class_operands): Ditto.
281         * ira-emit.c (emit_move_list): Ditto.
283         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
284         (record_reg_classes): Ditto.  Use functions
285         ira_get_register_move_cost and ira_get_may_move_cost instead of
286         global vars ira_register_move_cost, ira_may_move_out_cost and
287         ira_may_move_in_cost.
288         (record_address_regs): Don't call ira_init_register_move_cost.
289         Use function ira_get_may_move_cost instead of global
290         ira_may_move_in_cost.
291         (process_bb_node_for_hard_reg_moves): Use function
292         ira_get_register_move_cost instead of global ira_register_move_cost.
293         (ira_costs): Don't call ira_init_register_move_cost.
294         
295 2009-04-16  Richard Guenther  <rguenther@suse.de>
297         * tree-cfg.c (verify_gimple_assign_binary):
298         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
299         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
300         (create_general_new_stmt): Note that this function is broken.
302 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
304         * common.opt (fhelp): Add Var(help_flag).
305         * gcc-plugin.h (plugin_info): Add help.
306         * plugin.c (plugin_name_args): Add help.
307         (register_plugin_info): Set plugin->help.
308         (print_help_one_plugin): New.
309         (print_plugins_help): New.
310         * plugin.h (print_plugins_help): New.
311         * toplev.c (toplev_main): Call print_plugins_help if needed.
313 2009-04-16  Richard Guenther  <rguenther@suse.de>
315         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
316         (gimple_ior_addresses_taken_1): New function.
317         (gimple_ior_addresses_taken): Likewise.
318         * gimple.h (struct gimple_statement_with_ops_base): Remove
319         addresses_taken member.
320         (gimple_ior_addresses_taken): Declare.
321         (gimple_addresses_taken, gimple_addresses_taken_ptr,
322         gimple_set_addresses_taken): Remove.
323         * ipa-reference.c (mark_address): New function.
324         (scan_stmt_for_static_refs): Use it for marking addresses taken.
325         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
326         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
327         (gimple_add_to_addresses_taken): Remove.
328         (get_tmr_operands): Call mark_address_taken.
329         (get_asm_expr_operands): Likewise.
330         (get_expr_operands): Likewise.
331         (build_ssa_operands): Do not clear the addresses_taken bitmap.
332         (free_stmt_operands): Do not free it.
333         * tree-ssa.c (delete_tree_ssa): Likewise.
334         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
336 2009-04-16  Richard Guenther  <rguenther@suse.de>
338         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
339         (walk_stmt_load_store_ops): Likewise.
340         * gimple.c (get_base_loadstore): New function.
341         (walk_stmt_load_store_addr_ops): Likewise.
342         (walk_stmt_load_store_ops): Likewise.
343         * ipa-pure-const.c (check_op): Simplify.
344         (check_load, check_store): New functions.
345         (check_stmt): Use walk_stmt_load_store_ops.
346         * ipa-reference.c (mark_load): Adjust signature.
347         (mark_store): Likewise.
348         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
350 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
352         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
353         (plugin_info): New.
354         * opts.c (common_handle_option): Don't call print_version.
355         * plugin.c (plugin_name_args): Add version.
356         (register_plugin_info): New.
357         (register_callback): Handle PLUGIN_INFO.
358         (try_init_one_plugin): New.
359         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
360         if failed to init.
361         (finalize_one_plugin): New.
362         (finalize_plugins): New.
363         (print_one_plugin): New.
364         (print_plugins_versions): New.
365         * plugin.h (print_plugins_versions): New.
366         (finalize_plugins): New.
367         * toplev.c (compile_file): Don't call initialize_plugins.
368         (print_version): Call print_plugins_versions.
369         (toplev_main): Call initialize_plugins. Print version if needed.
370         Call finalize_plugins.
372 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
374         * common.opt (fversion): New.
375         * gcc.c (print_version): New.
376         (process_command): Don't print the version. Just set print_version.
377         (main): Print version. Call subprocesses if print_version and
378         verbose_flag are set.
379         * opts.c (common_handle_option): Handle OPT_fversion.
381 2009-04-16  Richard Guenther  <rguenther@suse.de>
382             Ira Rosen  <irar@il.ibm.com>
384         PR tree-optimization/39698
385         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
386         type of the reduction variable.  Only generate the def if
387         it is needed.
389         * omp-low.c (expand_omp_for_generic): When converting to a pointer
390         make sure to first convert to an integer of the same precision.
391         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
392         the type of the evolution correctly in computing the new
393         induction variable base.
395 2009-04-16  Richard Guenther  <rguenther@suse.de>
397         PR middle-end/39625
398         * tree-cfg.c (make_blocks): Split statements with to-be
399         abnormal SSA names on the lhs.
401 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
403         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
404         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
405         * c-typeck.c (really_start_incremental_init): Likewise.
406         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
407         (TARGET_INITIALIZER): Remove it.
408         * target.h (struct target): Remove vector_opaque_p.
409         * tree.c (build_opaque_vector_type): New.
410         * tree.h (TYPE_VECTOR_OPAQUE): New.
411         (build_opaque_vector_type): Declare.
412         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
413         * config/rs6000/rs6000.c (build_opaque_vector_type,
414         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
415         (rs6000_init_builtins): Use build_opaque_vector_type for
416         opaque_V4SI_type_node.
418 2009-04-15  Catherine Moore  <clm@codesourcery.com>
420         * debug.h (set_name):  Declare.
421         * dwarf2out.c (dwarf2out_set_name): Declare.
422         (dwarf2_debug_hooks): Add set_name.
423         (find_AT_string): New.
424         (add_AT_string): Call find_AT_string.
425         (dwarf2out_set_name): New.
426         * cp/decl.c (grokdeclarator): Call set_name.
427         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
428         * debug.c (do_nothing_debug_hooks):  Likewise.
429         * dbxout.c (dbx_debug_hooks): Likewise.
430         * sdbout.c (sdb_debug_hooks): Likewise.
432 2009-04-15  Michael Eager <eager@eagercon.com>
434         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
435         reg for single-precision FPU.
436         * config/rs6000/rs6000.md (movsi_internal1): Only for
437         !TARGET_SINGLE_FPU.
438         (movsi_internal1_single): New. Add pattern to move SI values to/from
439         single-precision FP regs.
441 2009-04-15  Richard Guenther  <rguenther@suse.de>
443         * omp-low.c (lower_rec_input_clauses): Build correct address
444         expressions.
445         (expand_omp_for_generic): Fix multiplication type.
446         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
447         (generate_memset_zero): Fix types.
448         * tree-profile.c (prepare_instrumented_value): Correctly
449         widen a pointer.
451 2009-04-15  Ian Lance Taylor  <iant@google.com>
453         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
454         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
455         for -Wall and for -Wc++-compat.
456         (c_common_post_options): For C++, set warn_enum_compare if not
457         already set.
458         * c-tree.h (struct c_expr): Add field original_type.
459         (build_external_ref): Update declaration.
460         * c-parser.c (c_parser_braced_init): Set original_type.
461         (c_parser_initelt): Likewise.
462         (c_parser_expr_no_commas): Likewise.
463         (c_parser_conditional_expression): Likewise.
464         (c_parser_cast_expression): Likewise.
465         (c_parser_unary_expression): Likewise.  Pull setting of
466         original_code to top of function.
467         (c_parser_sizeof_expression): Set original_type.
468         (c_parser_alignof_expression): Likewise.
469         (c_parser_postfix_expression): Likewise.  Pull setting of
470         original_code to top of function.
471         (c_parser_postfix_expression_after_paren_type): Set original_type.
472         (c_parser_postfix_expression_after_primary): Likewise.
473         (c_parser_expression): Likewise.
474         * c-typeck.c (build_external_ref): Add type parameter.  Change all
475         callers.
476         (c_expr_sizeof_expr): Set original_type field.
477         (parser_build_unary_op): Likewise.
478         (parser_build_binary_op): Likewise.  Optionally warn about
479         comparisons of enums of different types.
480         (digest_init): Set original_type field.
481         (really_start_incremental_init): Likewise.
482         (push_init_level, pop_init_level): Likewise.
483         * doc/invoke.texi (Warning Options): -Wenum-compare now
484         supported in C.
486 2009-04-15  Richard Guenther  <rguenther@suse.de>
488         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
489         out a necessary conversion.
490         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
491         names we didn't value number.
492         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
494 2009-04-15  Richard Guenther  <rguenther@suse.de>
496         PR tree-optimization/39764
497         * tree-ssa-ccp.c (get_value): Canonicalize value with
498         canonicalize_float_value.
500 2009-04-15  Jan Hubicka  <jh@suse.cz>
502         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
503         Wrong version of patch.
505 2009-04-15  Jan Hubicka  <jh@suse.cz>
507         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
509 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
511         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
512         our distinct integral and vector types.
514 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
516         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
517         * init.c (build_vtbl_address): Remove call to assemble_external.
519 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
521         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
522         output for other floating point modes.
524 2009-04-14  Diego Novillo  <dnovillo@google.com>
526         * diagnostic.c (diagnostic_report_diagnostic): Do not
527         warn about loaded plugins for DK_ERROR and DK_WARNING.
528         * c-decl.c (declspecs_add_type): Move call to
529         invoke_plugin_callbacks ...
530         * c-parser.c (c_parser_declspecs): ... here.
531         * plugin.c (dump_active_plugins): Tidy output.
533 2009-04-14  Diego Novillo  <dnovillo@google.com>
534             Le-Chun Wu  <lcwu@google.com>
536         * configure.ac: Add --enable-plugin support.
537         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
538         * Makefile.in (PLUGIN_H): Define.
539         Export ENABLE_PLUGIN and GMPINC to site.exp.
540         Add PLUGINLIBS to link command.
541         Add/modify dependencies for plugin.o and files including plugin.h.
542         (plugin.o): New.
543         * config.in: Regenerate.
544         
545         * opts.c (common_handle_option): Handle OPT_fplugin_ and
546         OPT_fplugin_arg_.
548 2009-04-14  Le-Chun Wu  <lcwu@google.com>
550         * tree-pass.h (register_one_dump_file): Add a prototype for
551         register_one_dump_file.
552         * toplev.c (compile_file): Call initialize_plugins.
553         (do_compile): Call invoke_plugin_callbacks.
554         (toplev_main): Call invoke_plugin_callbacks.
555         * common.opt: Add -fplugin= and -fplugin-arg-.
556         * gcc-plugin.h: New public header file for plugins to include.
557         * plugin.c: New source file.
558         * plugin.h: New internal header file.
559         * passes.c (register_one_dump_file): Make it external.
560         
561         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
563 2009-04-14  Diego Novillo  <dnovillo@google.com>
565         * doc/plugins.texi: New.
566         * doc/gccint.texi: Add reference to Plugins chapter.
567         * doc/invoke.texi: Document -fplugin and -fplugin-arg
568         * diagnostic.c (diagnostic_report_diagnostic): Warn about
569         loaded plugins, if any.
570         * timevar.def (TV_PLUGIN_INIT): Define.
571         (TV_PLUGIN_RUN): Define.
572         * plugin.c: Include timevar.h
573         (plugins_active_p): New.
574         (dump_active_plugins): New.
575         (debug_active_plugins): New.
577 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
579         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
580         library paths.
581         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
583 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
585         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
586         the same as a minus without a shift.
588 2009-04-14  Nick Clifton  <nickc@redhat.com>
590         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
591         comparisons with small integers will always produce a short
592         branch.
594 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
596         Merge:
597         2008-12-19  Diego Novillo  <dnovillo@google.com>
599         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
601 2000-04-14  Richard Guenther  <rguenther@suse.de>
603         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
604         verification.
605         (verify_gimple_assign_binary): Likewise.  Handle shifts and
606         rotates correctly.
607         (verify_gimple_phi): Print the mismatched argument position.
608         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
609         Fix types.
610         (vect_update_init_of_dr): Likewise.
611         * matrix-reorg.c (transform_access_sites): Do what the
612         comment suggests.
613         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
615 2009-04-13  Michael Eager <eager@eagercon.com>
617         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
618         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
619         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
620         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
621         remove duplicate config
623 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
625         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
626         file_name:line_number type locator of the call site.
627         
628 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
630         * genautomata.c: Put blank after comma.
631         (automaton_decls): New.
632         (struct unit_usage): Add comments to member next.
633         (store_alt_unit_usage): Keep the list ordered.
634         (unit_present_on_list_p, equal_alternatives_p): New.
635         (check_regexp_units_distribution): Check units distribution
636         correctness correctly.
637         (main): Don't write automata if error is found.  Return correct
638         exit code.
639         
640         * config/m68k/cf.md (cfv4_ds): Remove.
641         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
642         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
644         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
645         power4-load-ext, power4-store, power4-store-update,
646         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
647         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
648         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
649         power4-sqrt, power4-isync): Modify reservation to make correct
650         unit distribution to automata.
652         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
653         power5-store-update, power5-two, power5-three, power5-lmul,
654         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
655         
656 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
658         * except.c (pass_set_nothrow_function_flags): Set name and add
659         TODO_dump_func.
660         (set_nothrow_function_flags): Mention in the dump file when
661         changing a function to nothrow.
663 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
665         PR/39066
666         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
667         instead of unsigned long.
669 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
671         * config/arm/arm.c (return_used_this_function): Remove.
672         (arm_output_function_prologue): Remove use of
673         return_used_this_function.
674         (output_return_instruction): Replace use of
675         return_used_this_function
676         by cfun->machine->return_used_this_function.
677         (arm_output_epilogue): Likewise.
678         (arm_output_function_epilogue): Likewise.
679         (thumb_unexpanded_epilogue): Likewise.
680         * config/arm/arm.h (struct machine_function):
681         New member return_used_this_function.
683 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
685         * doc/install.texi: Correct description of default directory for
686         --with-gxx-include-dir.
688 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
690         * fold-const.c (build_range_check): Properly deal with enumeral and
691         boolean base types.
693 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
695         * doc/invoke.texi (max_gcse_passes): Remove documentation.
696         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
697         * params.h (MAX_GCSE_PASSES): Remove.
698         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
699         in sequence.  Remove ability to run multiple passes.
700         (bypass_jumps): Report run as third CPROP pass.
702 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
704         PR middle-end/39651
705         * except.c (can_throw_external): Look at each insn in a SEQUENCE
706         when deciding whether the whole SEQUENCE can throw.
708 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
710         PR target/39740
711         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
712         offseted label references.
714 2009-04-11  Jan Hubicka  <jh@suse.cz>
716         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
718 2009-04-11  Richard Guenther  <rguenther@suse.de>
720         PR middle-end/39732
721         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
722         return variables as TREE_ADDRESSABLE.
724 2009-04-11  Richard Guenther  <rguenther@suse.de>
726         PR tree-optimization/39713
727         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
728         reference trees have SSA_NAME operands.
730 2009-04-11  Richard Guenther  <rguenther@suse.de>
732         PR c/39712
733         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
734         address expressions.
736 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
738         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
739         match changes in Cygwin 1.7
740         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
741         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
743 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
745         PR tree-optimization/39701
746         * doc/invoke.texi (Optimization Options): Document change in
747         meaning and initialization of -fdelete-null-pointer-checks.
749 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
751         PR middle-end/39701
752         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
754         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
755         here.
757         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
759 2009-04-10  Chao-ying Fu  <fu@mips.com>
761         * doc/tm.texi (Instruction Output): Document
762         TARGET_ASM_FINAL_POSTSCAN_INSN.
763         * target.h (final_postscan_insn): New field in asm_out.
764         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
765         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
766         * final.c (final_scan_insn): Call
767         targetm.asm_out.final_postscan_insn after outputting
768         an asm macro and a normal instruction.
770         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
771         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
772         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
773         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
774         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
776 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
778         PR middle-end/39701
779         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
780         variables as non-NULL even with -fdelete-null-pointer-checks.
782 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
784         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
786 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
788         PR target/39678
789         * config/i386/i386.c (classify_argument): Handle SCmode with
790         (bit_offset % 64) != 0.
792 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
794         * doc/invoke.texi (Optimize Options): Add cross-reference to
795         -Q --help=optimizers examples.
797 2009-04-10  Ben Elliston  <bje@au.ibm.com>
799         PR target/36800
800         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
801         regalign for the reg == fpr and TDmode case.
803 2009-04-09  David Ayers  <ayers@fsfe.org>
805         PR objc/29200
806         * objc/objc-act.c (warn_with_method): Remove helper function.
807         (check_duplicates): Call warning and inform directly.
808         (really_start_method): Likewise.
810 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
812         * expmed.c (expand_divmod): Always use a comparison for a division
813         by a large unsigned integer.
815         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
816         for things others than variables or functions as nonzero.
818 2009-04-09  Nick Clifton  <nickc@redhat.com>
820         * unwind-compat.c: Change copyright header to refer to version
821         3 of the GNU General Public License with version 3.1 of the
822         GCC Runtime Library Exception and to point readers at the
823         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
824         * config/alpha/crtfastmath.c: Likewise.
825         * config/alpha/linux-unwind.h: Likewise.
826         * config/alpha/qrnnd.asm: Likewise.
827         * config/alpha/vms-crt0-64.c: Likewise.
828         * config/alpha/vms-crt0.c: Likewise.
829         * config/alpha/vms-dwarf2.asm: Likewise.
830         * config/alpha/vms-dwarf2eh.asm: Likewise.
831         * config/alpha/vms-psxcrt0-64.c: Likewise.
832         * config/alpha/vms-psxcrt0.c: Likewise.
833         * config/alpha/vms_tramp.asm: Likewise.
834         * config/arc/initfini.c: Likewise.
835         * config/arc/lib1funcs.asm: Likewise.
836         * config/arm/bpabi-v6m.S: Likewise.
837         * config/arm/bpabi.S: Likewise.
838         * config/arm/bpabi.c: Likewise.
839         * config/arm/crti.asm: Likewise.
840         * config/arm/crtn.asm: Likewise.
841         * config/arm/ieee754-df.S: Likewise.
842         * config/arm/ieee754-sf.S: Likewise.
843         * config/arm/lib1funcs.asm: Likewise.
844         * config/arm/libunwind.S: Likewise.
845         * config/arm/linux-atomic.c: Likewise.
846         * config/arm/mmintrin.h: Likewise.
847         * config/arm/pr-support.c: Likewise.
848         * config/arm/unaligned-funcs.c: Likewise.
849         * config/arm/unwind-arm.c: Likewise.
850         * config/arm/unwind-arm.h: Likewise.
851         * config/avr/libgcc.S: Likewise.
852         * config/bfin/crti.s: Likewise.
853         * config/bfin/crtlibid.s: Likewise.
854         * config/bfin/crtn.s: Likewise.
855         * config/bfin/lib1funcs.asm: Likewise.
856         * config/bfin/linux-unwind.h: Likewise.
857         * config/cris/arit.c: Likewise.
858         * config/cris/cris_abi_symbol.c: Likewise.
859         * config/darwin-64.c: Likewise.
860         * config/darwin-crt2.c: Likewise.
861         * config/darwin-crt3.c: Likewise.
862         * config/darwin.h: Likewise.
863         * config/dbxelf.h: Likewise.
864         * config/dfp-bit.c: Likewise.
865         * config/dfp-bit.h: Likewise.
866         * config/elfos.h: Likewise.
867         * config/fixed-bit.c: Likewise.
868         * config/fixed-bit.h: Likewise.
869         * config/fp-bit.c: Likewise.
870         * config/fp-bit.h: Likewise.
871         * config/fr30/crti.asm: Likewise.
872         * config/fr30/crtn.asm: Likewise.
873         * config/fr30/lib1funcs.asm: Likewise.
874         * config/freebsd-spec.h: Likewise.
875         * config/frv/cmovd.c: Likewise.
876         * config/frv/cmovh.c: Likewise.
877         * config/frv/cmovw.c: Likewise.
878         * config/frv/frvbegin.c: Likewise.
879         * config/frv/frvend.c: Likewise.
880         * config/frv/lib1funcs.asm: Likewise.
881         * config/glibc-stdint.h: Likewise.
882         * config/h8300/clzhi2.c: Likewise.
883         * config/h8300/crti.asm: Likewise.
884         * config/h8300/crtn.asm: Likewise.
885         * config/h8300/ctzhi2.c: Likewise.
886         * config/h8300/fixunssfsi.c: Likewise.
887         * config/h8300/lib1funcs.asm: Likewise.
888         * config/h8300/parityhi2.c: Likewise.
889         * config/h8300/popcounthi2.c: Likewise.
890         * config/i386/ammintrin.h: Likewise.
891         * config/i386/att.h: Likewise.
892         * config/i386/avxintrin.h: Likewise.
893         * config/i386/biarch64.h: Likewise.
894         * config/i386/bmmintrin.h: Likewise.
895         * config/i386/cpuid.h: Likewise.
896         * config/i386/cross-stdarg.h: Likewise.
897         * config/i386/crtfastmath.c: Likewise.
898         * config/i386/crtprec.c: Likewise.
899         * config/i386/cygming-crtbegin.c: Likewise.
900         * config/i386/cygming-crtend.c: Likewise.
901         * config/i386/cygwin.asm: Likewise.
902         * config/i386/emmintrin.h: Likewise.
903         * config/i386/gmm_malloc.h: Likewise.
904         * config/i386/gthr-win32.c: Likewise.
905         * config/i386/i386.h: Likewise.
906         * config/i386/immintrin.h: Likewise.
907         * config/i386/linux-unwind.h: Likewise.
908         * config/i386/linux64.h: Likewise.
909         * config/i386/mm3dnow.h: Likewise.
910         * config/i386/mmintrin-common.h: Likewise.
911         * config/i386/mmintrin.h: Likewise.
912         * config/i386/nmmintrin.h: Likewise.
913         * config/i386/pmm_malloc.h: Likewise.
914         * config/i386/pmmintrin.h: Likewise.
915         * config/i386/smmintrin.h: Likewise.
916         * config/i386/sol2-c1.asm: Likewise.
917         * config/i386/sol2-ci.asm: Likewise.
918         * config/i386/sol2-cn.asm: Likewise.
919         * config/i386/sol2-gc1.asm: Likewise.
920         * config/i386/tmmintrin.h: Likewise.
921         * config/i386/unix.h: Likewise.
922         * config/i386/w32-unwind.h: Likewise.
923         * config/i386/wmmintrin.h: Likewise.
924         * config/i386/x86-64.h: Likewise.
925         * config/i386/x86intrin.h: Likewise.
926         * config/i386/xmmintrin.h: Likewise.
927         * config/ia64/crtbegin.asm: Likewise.
928         * config/ia64/crtend.asm: Likewise.
929         * config/ia64/crtfastmath.c: Likewise.
930         * config/ia64/crti.asm: Likewise.
931         * config/ia64/crtn.asm: Likewise.
932         * config/ia64/fde-glibc.c: Likewise.
933         * config/ia64/lib1funcs.asm: Likewise.
934         * config/ia64/linux-unwind.h: Likewise.
935         * config/ia64/quadlib.c: Likewise.
936         * config/ia64/unwind-ia64.c: Likewise.
937         * config/linux.h: Likewise.
938         * config/m32c/m32c-lib1.S: Likewise.
939         * config/m32c/m32c-lib2-trapv.c: Likewise.
940         * config/m32c/m32c-lib2.c: Likewise.
941         * config/m32r/initfini.c: Likewise.
942         * config/m68hc11/larith.asm: Likewise.
943         * config/m68hc11/m68hc11-crt0.S: Likewise.
944         * config/m68k/cf.md: Likewise.
945         * config/m68k/crti.s: Likewise.
946         * config/m68k/crtn.s: Likewise.
947         * config/m68k/lb1sf68.asm: Likewise.
948         * config/m68k/linux-unwind.h: Likewise.
949         * config/mcore/crti.asm: Likewise.
950         * config/mcore/crtn.asm: Likewise.
951         * config/mcore/lib1.asm: Likewise.
952         * config/mips/linux-unwind.h: Likewise.
953         * config/mips/loongson.h: Likewise.
954         * config/mips/mips16.S: Likewise.
955         * config/mmix/crti.asm: Likewise.
956         * config/mmix/crtn.asm: Likewise.
957         * config/pa/fptr.c: Likewise.
958         * config/pa/hpux-unwind.h: Likewise.
959         * config/pa/lib2funcs.asm: Likewise.
960         * config/pa/linux-atomic.c: Likewise.
961         * config/pa/linux-unwind.h: Likewise.
962         * config/pa/milli64.S: Likewise.
963         * config/pa/quadlib.c: Likewise.
964         * config/pa/stublib.c: Likewise.
965         * config/picochip/libgccExtras/adddi3.asm: Likewise.
966         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
967         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
968         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
969         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
970         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
971         * config/picochip/libgccExtras/divmod15.asm: Likewise.
972         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
973         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
974         * config/picochip/libgccExtras/longjmp.asm: Likewise.
975         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
976         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
977         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
978         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
979         * config/picochip/libgccExtras/setjmp.asm: Likewise.
980         * config/picochip/libgccExtras/subdi3.asm: Likewise.
981         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
982         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
983         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
984         * config/rs6000/750cl.h: Likewise.
985         * config/rs6000/altivec.h: Likewise.
986         * config/rs6000/biarch64.h: Likewise.
987         * config/rs6000/crtresfpr.asm: Likewise.
988         * config/rs6000/crtresgpr.asm: Likewise.
989         * config/rs6000/crtresxfpr.asm: Likewise.
990         * config/rs6000/crtresxgpr.asm: Likewise.
991         * config/rs6000/crtsavfpr.asm: Likewise.
992         * config/rs6000/crtsavgpr.asm: Likewise.
993         * config/rs6000/darwin-asm.h: Likewise.
994         * config/rs6000/darwin-fallback.c: Likewise.
995         * config/rs6000/darwin-fpsave.asm: Likewise.
996         * config/rs6000/darwin-ldouble.c: Likewise.
997         * config/rs6000/darwin-tramp.asm: Likewise.
998         * config/rs6000/darwin-unwind.h: Likewise.
999         * config/rs6000/darwin-vecsave.asm: Likewise.
1000         * config/rs6000/darwin-world.asm: Likewise.
1001         * config/rs6000/e500crtres32gpr.asm: Likewise.
1002         * config/rs6000/e500crtres64gpr.asm: Likewise.
1003         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1004         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1005         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1006         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1007         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1008         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1009         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1010         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1011         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1012         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1013         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1014         * config/rs6000/eabi-ci.asm: Likewise.
1015         * config/rs6000/eabi-cn.asm: Likewise.
1016         * config/rs6000/eabi.asm: Likewise.
1017         * config/rs6000/linux-unwind.h: Likewise.
1018         * config/rs6000/linux64.h: Likewise.
1019         * config/rs6000/paired.h: Likewise.
1020         * config/rs6000/paired.md: Likewise.
1021         * config/rs6000/ppc64-fp.c: Likewise.
1022         * config/rs6000/ppu_intrinsics.h: Likewise.
1023         * config/rs6000/rs6000.h: Likewise.
1024         * config/rs6000/si2vmx.h: Likewise.
1025         * config/rs6000/sol-ci.asm: Likewise.
1026         * config/rs6000/sol-cn.asm: Likewise.
1027         * config/rs6000/spe.h: Likewise.
1028         * config/rs6000/spu2vmx.h: Likewise.
1029         * config/rs6000/sysv4.h: Likewise.
1030         * config/rs6000/tramp.asm: Likewise.
1031         * config/rs6000/vec_types.h: Likewise.
1032         * config/s390/linux-unwind.h: Likewise.
1033         * config/s390/tpf-unwind.h: Likewise.
1034         * config/score/crti.asm: Likewise.
1035         * config/score/crtn.asm: Likewise.
1036         * config/sh/crt1.asm: Likewise.
1037         * config/sh/crti.asm: Likewise.
1038         * config/sh/crtn.asm: Likewise.
1039         * config/sh/divtab-sh4-300.c: Likewise.
1040         * config/sh/divtab-sh4.c: Likewise.
1041         * config/sh/divtab.c: Likewise.
1042         * config/sh/lib1funcs-4-300.asm: Likewise.
1043         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1044         * config/sh/lib1funcs.asm: Likewise.
1045         * config/sh/lib1funcs.h: Likewise.
1046         * config/sh/linux-atomic.asm: Likewise.
1047         * config/sh/linux-unwind.h: Likewise.
1048         * config/sh/shmedia.h: Likewise.
1049         * config/sh/sshmedia.h: Likewise.
1050         * config/sh/ushmedia.h: Likewise.
1051         * config/sparc/crtfastmath.c: Likewise.
1052         * config/sparc/linux-unwind.h: Likewise.
1053         * config/sparc/sol2-c1.asm: Likewise.
1054         * config/sparc/sol2-ci.asm: Likewise.
1055         * config/sparc/sol2-cn.asm: Likewise.
1056         * config/spu/divmodti4.c: Likewise.
1057         * config/spu/divv2df3.c: Likewise.
1058         * config/spu/float_disf.c: Likewise.
1059         * config/spu/float_unsdidf.c: Likewise.
1060         * config/spu/float_unsdisf.c: Likewise.
1061         * config/spu/float_unssidf.c: Likewise.
1062         * config/spu/mfc_multi_tag_release.c: Likewise.
1063         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1064         * config/spu/mfc_tag_release.c: Likewise.
1065         * config/spu/mfc_tag_reserve.c: Likewise.
1066         * config/spu/mfc_tag_table.c: Likewise.
1067         * config/spu/multi3.c: Likewise.
1068         * config/spu/spu_internals.h: Likewise.
1069         * config/spu/spu_intrinsics.h: Likewise.
1070         * config/spu/spu_mfcio.h: Likewise.
1071         * config/spu/vec_types.h: Likewise.
1072         * config/spu/vmx2spu.h: Likewise.
1073         * config/stormy16/stormy16-lib2.c: Likewise.
1074         * config/svr4.h: Likewise.
1075         * config/sync.c: Likewise.
1076         * config/v850/lib1funcs.asm: Likewise.
1077         * config/vxlib-tls.c: Likewise.
1078         * config/vxlib.c: Likewise.
1079         * config/vxworks-dummy.h: Likewise.
1080         * config/xtensa/crti.asm: Likewise.
1081         * config/xtensa/crtn.asm: Likewise.
1082         * config/xtensa/ieee754-df.S: Likewise.
1083         * config/xtensa/ieee754-sf.S: Likewise.
1084         * config/xtensa/lib1funcs.asm: Likewise.
1085         * config/xtensa/lib2funcs.S: Likewise.
1086         * config/xtensa/linux-unwind.h: Likewise.
1087         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1088         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1089         * coretypes.h: Likewise.
1090         * crtstuff.c: Likewise.
1091         * defaults.h: Likewise.
1092         * dwarf2.h: Likewise.
1093         * emutls.c: Likewise.
1094         * gbl-ctors.h: Likewise.
1095         * gcov-io.h: Likewise.
1096         * ginclude/float.h: Likewise.
1097         * ginclude/iso646.h: Likewise.
1098         * ginclude/stdarg.h: Likewise.
1099         * ginclude/stdbool.h: Likewise.
1100         * ginclude/stddef.h: Likewise.
1101         * ginclude/stdfix.h: Likewise.
1102         * ginclude/stdint-gcc.h: Likewise.
1103         * ginclude/tgmath.h: Likewise.
1104         * gthr-aix.h: Likewise.
1105         * gthr-dce.h: Likewise.
1106         * gthr-gnat.c: Likewise.
1107         * gthr-gnat.h: Likewise.
1108         * gthr-lynx.h: Likewise.
1109         * gthr-mipssde.h: Likewise.
1110         * gthr-nks.h: Likewise.
1111         * gthr-posix.c: Likewise.
1112         * gthr-posix.h: Likewise.
1113         * gthr-posix95.h: Likewise.
1114         * gthr-rtems.h: Likewise.
1115         * gthr-single.h: Likewise.
1116         * gthr-solaris.h: Likewise.
1117         * gthr-tpf.h: Likewise.
1118         * gthr-vxworks.h: Likewise.
1119         * gthr-win32.h: Likewise.
1120         * gthr.h: Likewise.
1121         * libgcc2.c: Likewise.
1122         * libgcc2.h: Likewise.
1123         * libgcov.c: Likewise.
1124         * tsystem.h: Likewise.
1125         * typeclass.h: Likewise.
1126         * unwind-c.c: Likewise.
1127         * unwind-compat.h: Likewise.
1128         * unwind-dw2-fde-compat.c: Likewise.
1129         * unwind-dw2-fde-darwin.c: Likewise.
1130         * unwind-dw2-fde-glibc.c: Likewise.
1131         * unwind-dw2-fde.c: Likewise.
1132         * unwind-dw2-fde.h: Likewise.
1133         * unwind-dw2.c: Likewise.
1134         * unwind-dw2.h: Likewise.
1135         * unwind-generic.h: Likewise.
1136         * unwind-pe.h: Likewise.
1137         * unwind-sjlj.c: Likewise.
1138         * unwind.inc: Likewise.
1139         * config/arm/neon-gen.ml: Change generated copyright header to
1140         refer to version 3 of the GNU General Public License with
1141         version 3.1 of the GCC Runtime Library Exception and to point
1142         readers at the COPYING3 and COPYING3.RUNTIME files and the
1143         FSF's license web page.
1144         * config/arm/arm_neon.h: Regenerate.
1146 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1148         * config/cris/cris.md: Change copyright header to refer to version
1149         3 of the GNU General Public License.
1150         * doc/install.texi2html: Change copyright header to refer to version
1151         3 of the GNU General Public License and to point readers at the
1152         COPYING3 file and the FSF's license web page.
1153         * config/vax/linux.h: Likewise.
1155 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1157         * config/i386/i386.md (cmpcc): New.
1158         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1159         (sync_compare_and_swap_cc*): Delete.
1161         * config/s390/s390.c (s390_compare_emitted): Remove.
1162         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1163         s390_compare_emitted used to be handled.  Assert that modes match.
1164         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1165         refer to sync_compare_and_swap_ccsi.
1166         * config/s390/s390.h (s390_compare_emitted): Remove.
1167         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1168         instead of s390_compare_emitted.
1169         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1170         instead of s390_compare_emitted.
1171         * config/s390/s390.md (cmpcc): New.
1172         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1173         CC_REGNUM, do not pretend it's set.
1174         (sync_compare_and_swap_cc*): Delete.
1175         * config/s390/predicates.md (cc_reg_operand): New.
1177         * expr.c (sync_compare_and_swap_cc): Delete.
1178         * optabs.h (sync_compare_and_swap_cc): Delete.
1179         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1180         is being used with can_compare_p.
1181         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1182         (find_cc_set): New.
1183         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1184         look for a MODE_CC set instead.  Use emit_store_flag.
1185         (expand_compare_and_swap_loop): Likewise, with some additional
1186         complication to avoid a force_reg when useless.  Use
1187         emit_cmp_and_jump_insns.
1188         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1189         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1190         sync_compare_and_swap documentation.
1192 2009-04-09  Jan Hubicka  <jh@suse.cz>
1194         * except.c (find_prev_try): Break out from ....
1195         (duplicate_eh_regions): ... here; properly update prev_try pointers
1196         when duplication part of tree.
1197         (dump_eh_tree): Improve dumping.
1198         (verify_eh_region): New.
1199         (verify_eh_tree): Use it.
1201 2009-04-06  Richard Guenther  <rguenther@suse.de>
1203         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1204         &ARRAY addresses by adjusting their types and prepending
1205         a conversion.
1206         * tree-cfg.c (verify_gimple_assign_single): Verify that
1207         addresses are correct.
1209 2009-04-09  Richard Guenther  <rguenther@suse.de>
1211         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1212         indices into an array reference if possible.
1213         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1214         Fold POINTER_PLUS_EXPR statements with invariant address.
1216 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1218         PR target/39634
1219         * config.gcc (powerpc64-*-linux*): Always build biarch.
1221 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1223         PR c/39613
1224         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1225         it and pedwarn if this results in an INTEGER_CST.
1227 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1229         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1230         text in MPFR section.
1232 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1234         * dwarf2out.c (class_scope_p): New static inline.
1235         (class_or_namespace_scope_p): Use it.
1236         (gen_variable_die): Use DW_TAG_member tag for static data member
1237         declarations instead of DW_TAG_variable.
1239         PR middle-end/39573
1240         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1241         variables.
1243 2009-04-08  Richard Guenther  <rguenther@suse.de>
1245         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1246         valueize random data.
1248 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1250         * config.gcc (aix tm_file):  Add aix-stdint.h.
1251         (aix tm clause use_gcc_stdint):  Set to wrap.
1252         * config/rs6000/aix-stdint.h:  New file.
1253         
1254 2009-04-08  Richard Guenther  <rguenther@suse.de>
1256         PR middle-end/36291
1257         * tree-dfa.c (add_referenced_var): Do not recurse into
1258         global initializers.
1259         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1260         exposed variables.
1261         (fold_const_aggregate_ref): Likewise.
1263 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1265         * recog.c (ordered_comparison_operator): New.
1266         * gensupport.c (std_preds): Add it.
1267         * doc/md.texi (Machine-Independent Predicates): Document it.
1269 2009-04-08  Jan Hubicka  <jh@suse.cz>
1271         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1272         * function.h (rtl_eh): Remove exception_handler_label_map.
1273         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1274         remove_exception_handler_label, for_each_eh_label_1): Remove.
1275         (rtl_remove_unreachable_regions): Remove.
1276         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1277         (find_exception_handler_labels): Don't build the hashtable.
1278         (maybe_remove_eh_handler): Remove.
1279         (for_each_eh_label): Rewrite to walk the tree.
1280         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1281         * except.h (maybe_remove_eh_handler): Remove.
1282         * passes.c (init_optimization_passes): Schedule second EH cleanup
1283         before out-of-ssa.
1284         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1285         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1287 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1289         * genoutput.c (validate_optab_operands): New.
1290         (gen_insn, gen_expand): Call it.
1292         * genflags.c (gen_insn): Detect misused iterators.
1293         (main): Pass line_no to gen_insn, exit with status 1 on error.
1295         * genextract.c (line_no): Make global.
1296         (VEC_safe_set_locstr): Change assertion to error message.
1297         (main): Exit with status 1 on error.
1299 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1301         PR c/39614
1302         PR c/39673
1303         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1304         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1305         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1306         * c-convert.c (convert): Do not call fold on results of conversion
1307         functions when the result is a C_MAYBE_CONST_EXPR.
1308         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1309         of __builtin_choose_expr.
1310         * c-typeck.c (remove_c_maybe_const_expr): New.
1311         (build_unary_op, build_conditional_expr, build_compound_expr,
1312         build_binary_op, c_objc_common_truthvalue_conversion): Call
1313         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1314         integer operands.
1316 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1318         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1319         CODE to produce a new one. Add a prototype to use fold_convert_const
1321 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1323         PR bootstrap/39660
1324         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1325         mix declarations and code.
1327 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1329         * gcc.c: Replace `CC' with `GCC' throughout.
1331 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1333         * doc/invoke.texi: Document Atom support.
1335 2009-04-07  Jason Merrill  <jason@redhat.com>
1337         PR c++/25185
1338         * c-common.h, c-common.c: Add flag_pretty_templates.
1339         * c-opts.c (c_common_handle_option): Set it.
1340         * c.opt: Add -fno-pretty-templates.
1341         * doc/invoke.texi (C++ Dialect Options): Likewise.
1343 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1345         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1346         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1347         (ia64_expand_builtin): Likewise.
1349 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1351         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1352         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1353         ADDR_EXPRS are include too.
1355 2009-04-07  Richard Guenther  <rguenther@suse.de>
1357         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1358         decls are only used if passes as parameters or if they are
1359         local statics and the call is not to a builtin.
1360         (call_may_clobber_ref_p_1): Likewise.
1362 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1364         * expr.c (do_store_flag): Remove last argument.  Simplify code
1365         to avoid duplication of tests already done by can_compare_p.
1366         (expand_expr_real_1): Adjust caller.
1368 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1370         * optabs.c (can_compare_p): Test the predicate of a
1371         cbranch and cstore pattern.
1373 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1375         * expr.c (convert_move): Use emit_store_flag instead of
1376         "emulating" it.
1378 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1380         * config/i386/i386.c (ix86_compare_emitted): Remove.
1381         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1382         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1383         * config/i386/i386.h (ix86_compare_emitted): Remove.
1384         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1385         instead of ix86_compare_emitted.
1386         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1388 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1390         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1391         Add t-sysroot-suffix to tmake_file.
1392         * config/print-sysroot-suffix.sh: New file.
1393         * config/t-sysroot-suffix: New file.
1395 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1397         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1398         as the latter produces a warning when the target does not support
1399         infinity.
1401 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1403         * dfp.c: Replace type punning assignments with memcpy throughout.
1404         * Makefile.in (dfp.o-warn): Remove.
1405         
1406 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1408         PR target/39634
1409         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1410         Include soft-fp/t-softfp after rs6000/t-linux64.
1412 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1414         * stor-layout.c (set_sizetype): Use the full precision of their
1415         machine mode for bitsize types.
1417 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1419         * config/i386/i386.md: Revert 2 accidental checkins.
1421 2009-04-06  Joey Ye  <joey.ye@intel.com>
1422             Xuepeng Guo <xuepeng.guo@intel.com>
1423             H.J. Lu  <hongjiu.lu@intel.com>
1425         Atom pipeline model, tuning and insn selection.
1426         * config.gcc (atom): Add atom config options and target.
1428         * config/i386/atom.md: New.
1430         * config/i386/i386.c (atom_cost): New cost.
1431         (m_ATOM): New macro flag.
1432         (initial_ix86_tune_features): Set m_ATOM.
1433         (x86_accumulate_outgoing_args): Likewise.
1434         (x86_arch_always_fancy_math_387): Likewise.
1435         (processor_target): Add Atom cost.
1436         (cpu_names): Add Atom cpu name.
1437         (override_options): Set Atom ISA.
1438         (ix86_issue_rate): New case PROCESSOR_ATOM.
1439         (ix86_adjust_cost): Likewise.
1441         * config/i386/i386.h (TARGET_ATOM): New target macro.
1442         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1443         (TARGET_OPT_AGU): New target option.
1444         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1445         (processor_type): Add PROCESSOR_ATOM.
1447         * config/i386/i386.md (cpu): Add new value "atom".
1448         (use_carry, movu): New attr.
1449         (atom.md): Include atom.md.
1450         (adddi3_carry_rex64): Set attr "use_carry".
1451         (addqi3_carry): Likewise.
1452         (addhi3_carry): Likewise.
1453         (addsi3_carry): Likewise.
1454         (*addsi3_carry_zext): Likewise.
1455         (subdi3_carry_rex64): Likewise.
1456         (subqi3_carry): Likewise.
1457         (subhi3_carry): Likewise.
1458         (subsi3_carry): Likewise.
1459         (x86_movdicc_0_m1_rex64): Likewise.
1460         (*x86_movdicc_0_m1_se): Likewise.
1461         (x86_movsicc_0_m1): Likewise.
1462         (*x86_movsicc_0_m1_se): Likewise.
1463         (*adddi_1_rex64): Emit add insn as much as possible.
1464         (*addsi_1): Likewise.
1465         (return_internal): Set atom_unit.
1466         (return_internal_long): Likewise.
1467         (return_pop_internal): Likewise.
1468         (*rcpsf2_sse): Set atom_sse_attr attr.
1469         (*qrt<mode>2_sse): Likewise.
1470         (*prefetch_sse): Likewise.
1472         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1473         PROCESSOR_ATOM.
1474         (ix86_target_macros_internal): Likewise.
1476         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1477         (*prefetch_sse_rex): Likewise.
1478         (sse_rcpv4sf2): Likewise.
1479         (sse_vmrcpv4sf2): Likewise.
1480         (sse_sqrtv4sf2): Likewise.
1481         (<sse>_vmsqrt<mode>2): Likewise.
1482         (sse_ldmxcsr): Likewise.
1483         (sse_stmxcsr): Likewise.
1484         (*sse_sfence): Likewise.
1485         (sse2_clflush): Likewise.
1486         (*sse2_mfence): Likewise.
1487         (*sse2_lfence): Likewise.
1488         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1489         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1490         (avx_movdqu<avxmodesuffix>): Likewise.
1491         (avx_lddqu<avxmodesuffix>): Likewise.
1492         (sse2_movntv2di): Change attr "type" to "ssemov".
1493         (sse2_movntsi): Likewise.
1494         (rsqrtv8sf2): Change attr "type" to "sseadd".
1495         (sse3_addsubv2df3): Set attr "atom_unit".
1496         (sse3_h<plusminus_insn>v4sf3): Likewise.
1497         (*sse2_pmaddwd): Likewise.
1498         (*vec_extractv2di_1_rex64): Likewise.
1499         (*vec_extractv2di_1_avx): Likewise.
1500         (sse2_psadbw): Likewise.
1501         (ssse3_phaddwv8hi3): Likewise.
1502         (ssse3_phaddwv4hi3): Likewise.
1503         (ssse3_phadddv4si3): Likewise.
1504         (ssse3_phadddv2si3): Likewise.
1505         (ssse3_phaddswv8hi3): Likewise.
1506         (ssse3_phaddswv4hi3): Likewise.
1507         (ssse3_phsubwv8hi3): Likewise.
1508         (ssse3_phsubwv4hi3): Likewise.
1509         (ssse3_phsubdv4si3): Likewise.
1510         (ssse3_phsubdv2si3): Likewise.
1511         (ssse3_phsubswv8hi3): Likewise.
1512         (ssse3_phsubswv4hi3): Likewise.
1513         (ssse3_pmaddubsw128): Likewise.
1514         (sse3_pmaddubsw: Likewise.
1515         (ssse3_palignrti): Likewise.
1516         (ssse3_palignrdi): Likewise.
1518 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1520         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1522 2009-04-06  Richard Guenther  <rguenther@suse.de>
1524         PR tree-optimization/28868
1525         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1526         of which PHI results we inserted.
1527         (insert_into_preds_of_block): Record inserted PHIs.
1528         (eliminate): Eliminate redundant PHI nodes.
1529         (init_pre): Init inserted_phi_names.
1531 2009-04-06  Richard Guenther  <rguenther@suse.de>
1533         PR tree-optimization/39643
1534         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1535         IMAGPART_EXPRs of complex constants.
1536         (execute_fold_all_builtins): If we folded a call queue
1537         TODO_update_address_taken.
1539 2009-04-06  Jan Hubicka  <jh@suse.cz>
1541         PR middle-end/39659
1542         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1543         flag.
1545 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1547         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1548         delay slot.
1549         (ic_invalidate_array): Likewise.
1551 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1553         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1554         alignment for library calls.
1556 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1558         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1559         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1560         * config/i386/mingw-stdint.h:  New file.
1562 2009-04-05  Richard Guenther  <rguenther@suse.de>
1564         PR tree-optimization/39648
1565         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1566         our &A vs. &A[0] IL deficiencies.
1568 2009-04-04  Jan Hubicka  <jh@suse.cz>
1570         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1571         removed toplevel regions.
1572         (sjlj_mark_call_sites): Likewise.
1574 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1576         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1577         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1578         * config/i386/cygwin-stdint.h:  New file.
1580 2009-04-04  Richard Guenther  <rguenther@suse.de>
1582         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1583         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1584         single-argument PHIs if we are in loop-closed SSA form.
1585         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1586         for the pre-condition.
1587         (slpeel_tree_peel_loop_to_edge): Likewise.
1588         (vect_build_loop_niters): Take an optional sequence to append stmts.
1589         (vect_generate_tmps_on_preheader): Likewise.
1590         (vect_do_peeling_for_loop_bound): Take extra guards for the
1591         pre-condition.
1592         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1593         the cost model check.
1594         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1595         guards if we are going to peel.  Do not apply versioning in that case.
1596         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1597         (vect_do_peeling_for_loop_bound): Likewise.
1598         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1599         loop bound only record extra pre-conditions, do not apply loop
1600         versioning.
1602 2009-04-04  Richard Guenther  <rguenther@suse.de>
1604         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1605         renaming code.
1607 2009-04-04  Jan Hubicka  <jh@suse.cz>
1609         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1610         last_basic_block for size of bb->index indexed array.
1611         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1612         compute_out, link_btr_uses, build_btr_def_use_webs,
1613         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1615 2009-04-04  Jan Hubicka  <jh@suse.cz>
1617         * except.c (remove_eh_handler_and_replace): Break out from ...
1618         (remove_eh_handler): ... here.
1619         (bring_to_root): New function.
1620         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1621         handled ones, bring others to root of tree.
1623 2009-04-04  Jan Hubicka  <jh@suse.cz>
1625         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1626         (all_phis_safe_to_merge): New function.
1627         (update_info): New structure.
1628         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1629         (cleanup_empty_eh): Update SSA if possible.
1631 2009-04-04  Richard Guenther  <rguenther@suse.de>
1633         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1634         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1635         (append_vuse): Likewise.
1637 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1639         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1640         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1641         instead of REG_UNSAVED for DW_CFA_undefined.
1642         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1643         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1644         outermost frame.
1646 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1648         PR target/39501
1649         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1650         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1651         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1653 2009-04-04  Richard Guenther  <rguenther@suse.de>
1655         PR tree-optimization/8781
1656         PR tree-optimization/37892
1657         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1658         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1659         (valueize_refs): Call it for *& valueizations.
1660         (shared_reference_ops_from_ref): Rename to ...
1661         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1662         (shared_reference_ops_from_call): Rename to ...
1663         (valueize_shared_reference_ops_from_call): ... this and valueize.
1664         (vn_reference_lookup): Update.
1665         (visit_reference_op_call): Likewise.
1666         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1667         (eliminate): Value-replace the call address in call statements.
1669 2009-04-04  Richard Guenther  <rguenther@suse.de>
1671         PR tree-optimization/39636
1672         * tree-ssa-forwprop.c
1673         (forward_propagate_addr_into_variable_array_index): Check for
1674         GIMPLE_ASSIGN before accessing the rhs code.
1676 2009-04-03  Jason Merrill  <jason@redhat.com>
1678         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1680 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1682         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1683         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1684         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1685         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1686         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1687         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1688         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1689         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1690         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1691         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1692         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1693         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1694         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1695         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1696         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1697         Use fr_reg_or_fp01_operand instead of fr_register_operand
1699         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1700         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1701         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1703 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1705         PR rtl-optimization/39607
1706         PR rtl-optimization/39631
1708         Revert:
1709         
1710         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1711         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1712         instead of DF_LR_OUT.
1713         * ira-lives.c (process_bb_node_lives): Ditto.
1714         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1715         instead of DF_LR_{OUT,IN}.
1716         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1717         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1719 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1721         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1722         (execute_lower_omp): Always run but take the short way out if -fopenmp
1723         is not given.
1724         (gate_lower_omp): Remove, forcing the pass manager to always run the
1725         pass and always set PROP_gimple_lomp.
1726         (pass_lower_omp): Remove gate function.
1727         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1728         PROP_trees.  Instead, require it.
1729         * ipa-cp.c (pass_ipa_cp): Likewise.
1730         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1731         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1732         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1733         and PROP_gimple_leh.
1735 2009-04-03  Richard Guenther  <rguenther@suse.de>
1737         PR middle-end/13146
1738         PR tree-optimization/23940
1739         PR tree-optimization/33237
1740         PR middle-end/33974
1741         PR middle-end/34093
1742         PR tree-optimization/36201
1743         PR tree-optimization/36230
1744         PR tree-optimization/38049
1745         PR tree-optimization/38207
1746         PR tree-optimization/38230
1747         PR tree-optimization/38301
1748         PR tree-optimization/38585
1749         PR middle-end/38895
1750         PR tree-optimization/38985
1751         PR tree-optimization/39299
1752         * tree-ssa-structalias.h: Remove.
1753         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1754         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1755         (struct vuse_element_d): Remove.
1756         (struct vuse_vec_d): Likewise.
1757         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1758         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1759         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1760         VUSE_ELEMENT_VAR): Likewise.
1761         (struct voptype_d): Likewise.
1762         (NUM_VOP_FREE_BUCKETS): Likewise.
1763         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1764         (struct stmt_operands_d): Remove.
1765         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1766         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1767         VDEF_NUM, VDEF_VECT): Likewise.
1768         (copy_virtual_operands): Remove.
1769         (operand_build_cmp): Likewise.
1770         (create_ssa_artificial_load_stmt): Likewise.
1771         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1772         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1773         vuse_index and mayuse_index members.  Pack and move done and iter_type
1774         members to the front.
1775         (SSA_OP_VMAYUSE): Remove.
1776         (SSA_OP_VIRTUAL_USES): Adjust.
1777         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1778         (unlink_stmt_vdef): Declare.
1779         (add_to_addressable_set): Remove.
1780         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1781         (vrp_visit_stmt): Likewise.
1782         * doc/tree-ssa.texi (Alias analysis): Update.
1783         * doc/invoke.texi (max-aliased-vops): Remove docs.
1784         (avg-aliased-vops): Likewise.
1785         * tree-into-ssa.c (syms_to_rename): Remove.
1786         (need_to_update_vops_p): Likewise.
1787         (need_to_initialize_update_ssa_p): Rename to ...
1788         (update_ssa_initialized_fn): ... this.  Track function we are
1789         initialized for.
1790         (symbol_marked_for_renaming): Simplify.
1791         (add_new_name_mapping): Do not set need_to_update_vops_p.
1792         (dump_currdefs): Use SYMS_TO_RENAME.
1793         (rewrite_update_stmt): Always walk all uses/defs.
1794         (dump_update_ssa): Adjust.
1795         (init_update_ssa): Take function argument.  Track what we are
1796         initialized for.
1797         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1798         (create_new_def_for): Initialize for cfun, assert we are initialized
1799         for cfun.
1800         (mark_sym_for_renaming): Simplify.
1801         (mark_set_for_renaming): Do not initialize update-ssa.
1802         (need_ssa_update_p): Simplify.  Take function argument.
1803         (name_mappings_registered_p): Assert we ask for the correct function.
1804         (name_registered_for_update_p): Likewise.
1805         (ssa_names_to_replace): Likewise.
1806         (release_ssa_name_after_update_ssa): Likewise.
1807         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1808         (dump_decl_set): Do not print a newline.
1809         (debug_decl_set): Do it here.
1810         (dump_update_ssa): And here.
1811         * tree-ssa-loop-im.c (move_computations): Adjust.
1812         (movement_possibility): Likewise.
1813         (determine_max_movement): Likewise.
1814         (gather_mem_refs_stmt): Likewise.
1815         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1816         or NAME_MEMORY_TAG.
1817         * tree-complex.c (update_all_vops): Remove.
1818         (expand_complex_move): Adjust.
1819         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1820         Simplify test for memory referencing statement.  Exclude
1821         non-invariant ADDR_EXPRs.
1822         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1823         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1824         (rdg_flag_uses): Likewise.
1825         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1826         related code.
1827         (tree_optimize_tail_calls_1): Also split the
1828         edge from the entry block if we have degenerate PHI nodes in
1829         the first basic block.
1830         * tree.c (init_ttree): Remove memory-tag related code.
1831         (tree_code_size): Likewise.
1832         (tree_node_structure): Likewise.
1833         (build7_stat): Re-write to be build6_stat.
1834         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1835         (SSA_VAR_P): Adjust.
1836         (struct tree_memory_tag): Remove.
1837         (struct tree_memory_partition_tag): Likewise.
1838         (union tree_node): Adjust.
1839         (build7): Re-write to be build6.
1840         * tree-pass.h (pass_reset_cc_flags): Remove.
1841         (TODO_update_address_taken): New flag.
1842         (pass_simple_dse): Remove.
1843         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1844         * params.h (MAX_ALIASED_VOPS): Remove.
1845         (AVG_ALIASED_VOPS): Likewise.
1846         * omp-low.c (expand_omp_taskreg): Update SSA form.
1847         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1848         aliases the lhs in a copy stmt.
1849         * tree-ssa-dse.c (struct address_walk_data): Remove.
1850         (memory_ssa_name_same): Likewise.
1851         (memory_address_same): Likewise.
1852         (get_kill_of_stmt_lhs): Likewise.
1853         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1854         unused stores.  Look through PHI nodes into post-dominated regions.
1855         (dse_optimize_stmt): Simplify.  Properly remove stores.
1856         (tree_ssa_dse): Compute dominators.
1857         (execute_simple_dse): Remove.
1858         (pass_simple_dse): Likewise.
1859         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1860         gimple_loaded_syms and gimple_stored_syms computation.
1861         * toplev.c (dump_memory_report): Dump alias and pta stats.
1862         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1863         (vn_reference_eq): Likewise.
1864         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1865         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1866         valueize_vuses): Remove.
1867         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1868         (get_def_ref_stmt_vuse): ... this.
1869         (vn_reference_lookup_2): New function.
1870         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1871         walking equivalent vuses.  Simplify.
1872         (vn_reference_lookup): Likewise.
1873         (vn_reference_insert): Likewise.
1874         (vn_reference_insert_pieces): Likewise.
1875         (visit_reference_op_call): Simplify.
1876         (visit_reference_op_load): Likewise.
1877         (visit_reference_op_store): Likewise.
1878         (init_scc_vn): Remove shared_lookup_vuses initialization.
1879         (free_scc_vn): Remove shared_lookup_vuses freeing.
1880         (sort_vuses, sort_vuses_heap): Remove.
1881         (get_ref_from_reference_ops): Export.
1882         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1883         vector with single vuse pointer.
1884         (vn_reference_lookup_pieces, vn_reference_lookup,
1885         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1886         (shared_vuses_from_stmt): Remove.
1887         (get_ref_from_reference_ops): Declare.
1888         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1889         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1890         memory-tag related code.
1891         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1892         (likely_value): Add comment, skip static-chain of call statements.
1893         (surely_varying_stmt_p): Adjust.
1894         (gimplify_and_update_call_from_tree): Likewise.
1895         (execute_fold_all_builtins): Do not rebuild alias info.
1896         (gimplify_and_update_call_from_tree): Properly update VOPs.
1897         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1898         (copy_ref_info): Remove memory-tag related code.
1899         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1900         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1901         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1902         computation.
1903         * tree-ssa-dom.c (gimple_p): Remove typedef.
1904         (eliminate_redundant_computations): Adjust.
1905         (record_equivalences_from_stmt): Likewise.
1906         (avail_expr_hash): Likewise.
1907         (avail_expr_eq): Likewise.
1908         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1909         (stmt_makes_single_load): Likewise.
1910         (stmt_makes_single_store): Likewise.
1911         * tree-ssa-alias.c: Rewrite completely.
1912         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1913         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1914         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1915         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1916         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1917         Remove public functions.
1918         (pass_reset_cc_flags): Remove.
1919         (pass_build_alias): Move ...
1920         * tree-ssa-structalias.c (pass_build_alias): ... here.
1921         * tree-ssa-alias.c (may_be_aliased): Move ...
1922         * tree-flow-inline.h (may_be_aliased): ... here.
1923         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1924         count_uses_and_derefs): Move ...
1925         * gimple.c: ... here.
1926         * gimple.h (count_uses_and_derefs): Declare.
1927         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1928         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1929         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1930         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1931         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1932         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1933         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1934         New functions.
1935         * tree-dfa.c (refs_may_alias_p): Move ...
1936         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1937         * tree-ssa-alias.h: New file.
1938         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1939         (statement_sink_location): Likewise.
1940         * opts.c (decode_options): Do not adjust max-aliased-vops or
1941         avg-aliased-vops values.
1942         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1943         (TV_CALL_CLOBBER): Likewise.
1944         (TV_FLOW_SENSITIVE): Likewise.
1945         (TV_FLOW_INSENSITIVE): Likewise.
1946         (TV_MEMORY_PARTITIONING): Likewise.
1947         (TV_ALIAS_STMT_WALK): New timevar.
1948         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1949         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1950         (get_address_description): Remove memory-tag related code.
1951         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1952         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1953         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1954         and immediate uses in statements.  Document.
1955         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1956         (dump_symbols): Remove.
1957         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1958         * alias.c (get_deref_alias_set): New function split out from ...
1959         (get_alias_set): ... here.
1960         * alias.h (get_deref_alias_set): Declare.
1961         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1962         type parameter.  Remove restrict pointer handling.  Create a
1963         ref-all pointer in case type-based alias sets do not conflict.
1964         (vect_analyze_data_refs): Remove SMT related code.
1965         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1966         (vectorizable_load): Likewise.
1967         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1968         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1969         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1970         Ignore vops and SMTs.
1971         (dr_analyze_alias): Likewise..
1972         (free_data_ref): Likewise.
1973         (create_data_ref): Likewise.
1974         (analyze_all_data_dependences): Likewise.
1975         (get_references_in_stmt): Adjust.
1976         * tree-flow-inline.h (gimple_aliases_computed_p,
1977         gimple_addressable_vars, gimple_call_clobbered_vars,
1978         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1979         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1980         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1981         gimple_mem_ref_stats): Remove.
1982         (gimple_vop): New function.
1983         (op_iter_next_use): Remove vuses and mayuses cases.
1984         (op_iter_next_def): Remove vdefs case.
1985         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1986         (clear_and_done_ssa_iter): Do not set removed fields.
1987         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
1988         Assert we are not iterating over vuses or vdefs if not also
1989         iterating over uses or defs.
1990         (op_iter_init_use): Likewise.
1991         (op_iter_init_def): Likewise.
1992         (op_iter_next_vdef): Remove.
1993         (op_iter_next_mustdef): Likewise.
1994         (op_iter_init_vdef): Likewise.
1995         (compare_ssa_operands_equal): Likewise.
1996         (link_use_stmts_after): Handle vuse operand.
1997         (is_call_used): Use is_call_clobbered.
1998         (is_call_clobbered): Global variables are always call clobbered,
1999         query the call-clobbers bitmap.
2000         (mark_call_clobbered): Ignore global variables.
2001         (clear_call_clobbered): Likewise.
2002         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2003         virtual operands sanity check.
2004         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2005         Remove.
2006         (TARGET_MEM_REF): Remove TMR_TAG operand.
2007         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2008         Remove call-clobber related code.
2009         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2010         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2011         partitions or escape reason.
2012         (get_single_def_stmt, get_single_def_stmt_from_phi,
2013         get_single_def_stmt_with_phi): Remove.
2014         (dump_referenced_vars): Tidy.
2015         (get_ref_base_and_extent): Allow bare decls.
2016         (collect_dfa_stats): Adjust.
2017         * graphite.c (rename_variables_in_stmt): Adjust.
2018         (graphite_copy_stmts_from_block): Likewise.
2019         (translate_clast): Likewise.
2020         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2021         (EXPR_DIES): New.
2022         (translate_vuse_through_block): Use the oracle.
2023         (phi_translate_1): Adjust.
2024         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2025         in EXPR_DIES.
2026         (valid_in_sets): Check if the VUSE for
2027         a REFERENCE is available.
2028         (eliminate): Do not remove stmts during elimination,
2029         instead queue and remove them afterwards.
2030         (do_pre): Do not rebuild alias info.
2031         (pass_pre): Run TODO_rebuild_alias before PRE.
2032         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2033         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2034         (mark_all_v_defs_stmt): Remove.
2035         (mark_all_v_defs_seq): Adjust.
2036         (sra_replace): Likewise.
2037         (scalarize_use): Likewise.
2038         (scalarize_copy): Likewise.
2039         (scalarize_init): Likewise.
2040         (scalarize_ldst): Likewise.
2041         (todoflags): Remove.
2042         (tree_sra): Do not rebuild alias info.
2043         (tree_sra_early): Adjust.
2044         (pass_sra): Run TODO_update_address_taken before SRA.
2045         * tree-predcom.c (set_alias_info): Remove.
2046         (prepare_initializers_chain): Do not call it.
2047         (mark_virtual_ops_for_renaming): Adjust.
2048         (mark_virtual_ops_for_renaming_list): Remove.
2049         (initialize_root_vars): Adjust.
2050         (initialize_root_vars_lm): Likewise.
2051         (prepare_initializers_chain): Likewise.
2052         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2053         (may_propagate_copy_into_stmt): Likewise.
2054         (merge_alias_info): Do nothing for now.
2055         (propagate_tree_value_into_stmt): Adjust.
2056         (stmt_may_generate_copy): Likewise.
2057         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2058         not mark symbols for renaming.
2059         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2060         with the same statement, make sure to update the new pointed-to one.
2061         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2062         call statements, do not mark symbols for renaming.
2063         (mark_operand_necessary): Dump something.
2064         (ref_may_be_aliased): New function.
2065         (mark_aliased_reaching_defs_necessary_1): New helper function.
2066         (mark_aliased_reaching_defs_necessary): Likewise.
2067         (mark_all_reaching_defs_necessary_1): Likewise.
2068         (mark_all_reaching_defs_necessary): Likewise.
2069         (propagate_necessity): Do not process virtual PHIs.  For
2070         non-aliased loads mark all reaching definitions as necessary.
2071         For aliased loads and stores mark the immediate dominating
2072         aliased clobbers as necessary.
2073         (visited): New global static.
2074         (perform_tree_ssa_dce): Free visited bitmap after propagating
2075         necessity.
2076         (remove_dead_phis): Perform simple dead virtual PHI removal.
2077         (remove_dead_stmt): Properly unlink virtual operands when
2078         removing stores.
2079         (eliminate_unnecessary_stmts): Schedule PHI removal after
2080         stmt removal.
2081         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2082         (process_replaceable): Likewise.
2083         (find_replaceable_in_bb): Likewise.
2084         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2085         based on the single gimple vop.
2086         (verify_flow_insensitive_alias_info): Remove.
2087         (verify_flow_sensitive_alias_info): Likewise.
2088         (verify_call_clobbering): Likewise.
2089         (verify_memory_partitions): Likewise.
2090         (verify_alias_info): Likewise.
2091         (verify_ssa): Adjust..
2092         (execute_update_addresses_taken): Export.  Update SSA
2093         manually.  Optimize only when optimizing.  Use a local bitmap.
2094         (pass_update_address_taken): Remove TODO_update_ssa, add
2095         TODO_dump_func.
2096         (pass_update_address_taken): Just use TODO_update_address_taken.
2097         (init_tree_ssa): Do not initialize addressable_vars.
2098         (verify_ssa): Verify new VUSE / VDEF properties.
2099         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2100         Do not call verify_alias_info.
2101         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2102         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2103         and callused solutions.  Do not free addressable_vars.
2104         Remove memory-tag related code.
2105         (warn_uninitialized_var): Aliases are always available.
2106         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2107         * lambda-code.c (can_put_in_inner_loop): Adjust.
2108         (can_put_after_inner_loop): Likewise.
2109         (perfect_nestify): Likewise.
2110         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2111         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2112         (vectorizable_conversion): Do not mark symbols for renaming.
2113         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2114         (expand_call_inline): Unlink the calls virtual operands before
2115         replacing it.
2116         (tree_function_versioning): Do not call update_ssa if we are not
2117         updating clones.  Simplify.
2118         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2119         (propagate_with_phi): Likewise..
2120         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2121         clobber code.  Assert we are not aliased or global.
2122         * tree-flow.h: Include tree-ssa-alias.h
2123         (enum escape_type): Remove.
2124         (struct mem_sym_stats_d): Likewise.
2125         (struct mem_ref_stats_d): Likewise.
2126         (struct gimple_df): Add vop member.  Remove global_var,
2127         call_clobbered_vars, call_used_vars, addressable_vars,
2128         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2129         escaped and callused members.
2130         (struct ptr_info_def): Remove all members, add points-to solution
2131         member pt.
2132         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2133         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2134         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2135         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2136         (tree-ssa-alias.o): Likewise.
2137         (toplev.o): Add tree-ssa-alias.h
2138         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2139         * gimple.c (gimple_set_bb): Fix off-by-one error.
2140         (is_gimple_reg): Do not handle memory tags.
2141         (gimple_copy): Also copy virtual operands.
2142         Delay updating the statement.  Do not reset loaded and stored syms.
2143         (gimple_set_stored_syms): Remove.
2144         (gimple_set_loaded_syms): Likewise.
2145         (gimple_call_copy_skip_args): Copy the virtual operands
2146         and mark the new statement modified.
2147         * tree-ssa-structalias.c (may_alias_p): Remove.
2148         (set_uids_in_ptset): Take the alias set to prune with as
2149         parameter.  Fold in the alias test of may_alias_p.
2150         (compute_points_to_sets): Compute whether a ptr is dereferenced
2151         in a local sbitmap.
2152         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2153         other ADDRESSOF constraints on the lhs.
2154         (get_constraint_for_component_ref): Assert that we don't get
2155         ADDRESSOF constraints from the base of the reference.
2156         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2157         (struct variable_info): Remove collapsed_to member.
2158         (get_varinfo_fc): Remove.
2159         (new_var_info): Do not set collapsed_to.
2160         (dump_constraint): Do not follow cycles.
2161         (dump_constraint_graph): Likewise.
2162         (build_pred_graph): Likewise.
2163         (build_succ_graph): Likewise.
2164         (rewrite_constraints): Likewise.
2165         (do_simple_structure_copy): Remove.
2166         (do_rhs_deref_structure_copy): Remove.
2167         (do_lhs_deref_structure_copy): Remove.
2168         (collapse_rest_of_var): Remove.
2169         (do_structure_copy): Re-implement.
2170         (pta_stats): New global variable.
2171         (dump_pta_stats): New function.
2172         (struct constraint_expr): Make offset signed.
2173         (UNKNOWN_OFFSET): Define special value.
2174         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2175         (solution_set_expand): New helper function split out from ...
2176         (do_sd_constraint): ... here.
2177         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2178         (do_ds_constraint): Likewise.
2179         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2180         and CALLUSED = *CALLUSED.
2181         (set_union_with_increment): Make inc argument signed.
2182         (type_safe): Remove.
2183         (get_constraint_for_ptr_offset): Handle unknown and negative
2184         constant offsets.
2185         (first_vi_for_offset): Handle offsets before start.  Bail
2186         out early for offsets beyond the variable extent.
2187         (first_or_preceding_vi_for_offset): New function.
2188         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2189         Together with ESCAPED = *ESCAPED this properly computes reachability.
2190         (find_what_var_points_to): New function.
2191         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2192         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2193         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2194         pt_solutions_intersect): New functions.
2195         (compute_call_used_vars): Remove.
2196         (compute_may_aliases): New main entry into PTA computation.
2197         * gimple.h (gimple_p): New typedef.
2198         (struct gimple_statement_base): Remove references_memory_p.
2199         (struct gimple_statement_with_memory_ops_base): Remove
2200         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2201         members.
2202         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2203         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2204         gimple_set_references_memory): Remove.
2205         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2206         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2207         New functions.
2208         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2209         (verify_expr): Allow RESULT_DECL.
2210         (gimple_duplicate_bb): Do not copy virtual operands.
2211         (gimple_duplicate_sese_region): Adjust.
2212         (gimple_duplicate_sese_tail): Likewise.
2213         (mark_virtual_ops_in_region): Remove.
2214         (move_sese_region_to_fn): Do not call it.
2215         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2216         and pass_simple_dse.
2217         (execute_function_todo): Handle TODO_update_address_taken,
2218         call execute_update_addresses_taken for TODO_rebuild_alias.
2219         (execute_todo): Adjust.
2220         (execute_one_pass): Init dump files early.
2221         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2222         call-clobbered.
2223         (create_general_new_stmt): Clear vops.
2224         * tree-ssa-reassoc.c (get_rank): Adjust.
2225         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2226         symbols for renaming.
2227         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2228         (PARAM_AVG_ALIASED_VOPS): Likewise.
2229         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2230         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2231         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2232         (operand_build_cmp, copy_virtual_operands,
2233         create_ssa_artificial_load_stmt, add_to_addressable_set,
2234         gimple_add_to_addresses_taken): Remove public functions.
2235         (unlink_stmt_vdef): New function.
2237 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2239         * config.gcc (powerpc-*-linux*): Merge variants.
2241 2009-04-02  Chao-ying Fu  <fu@mips.com>
2242             James Grosbach <james.grosbach@microchip.com>
2244         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2245         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2246         cop0_sp_offset.
2247         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2248         keep_interrupts_masked_p, use_debug_exception_return_p.
2249         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2250         keep_interrupts_masked, use_debug_exception_return.
2251         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2252         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2253         New functions.
2254         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2255         (mips_print_operand): Process COP0 registers to print $0 .. $31
2256         correctly for GAS to process.
2257         (mips_interrupt_extra_call_saved_reg_p): New function.
2258         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2259         extra registers.
2260         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2261         (mips_compute_frame_info): Add supports for interrupt context that
2262         includes doubleword accumulators and COP0 registers.
2263         (mips_for_each_saved_acc): New function.
2264         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2265         mips_for_each_saved_reg.
2266         (mips_save_reg): Save accumulators.
2267         (mips_kernel_reg_p): A new for_each_rtx callback.
2268         (mips_expand_prologue): Support interrupt handlers.
2269         (mips_restore_reg): Restore accumulators.
2270         (mips_expand_epilogue): Support interrupt handlers.
2271         (mips_can_use_return_insn): Return false for interrupt handlers.
2272         (mips_epilogue_uses): New function.
2273         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2274         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2275         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2276         cop0_move): New instructions.
2277         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2278         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2279         defines.
2280         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2281         New defines.
2282         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2283         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2284         interrupt handlers, we use K0 as the temporary register.
2285         (EPILOGUE_USES): Change to a function call.
2286         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2287         handlers, we use K0 as the temporary register.
2288         
2289         * doc/extend.texi (Function Attributes): Document interrupt,
2290         use_shadow_register_set, keep_interrupts_masked,
2291         use_debug_exception_return for MIPS attributes.
2293 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2295         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2296         Remove a number of t-files from tmake_file.
2297         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2298         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2299         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2300         target_prototype, not TARGET_PROTOTYPE.
2301         (LINK_OS_GNU_SPEC): Define.
2302         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2303         and darwin-ldoubdle.c.
2305 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2307         PR driver/39293
2308         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2309         (cpp_options): Ditto.
2310         (default_compilers): Ditto.
2311         (display_help): Ditto.
2312         (process_command): Ditto.
2313         (do_spec_1): Ditto.
2314         (set_input): Use lbasename instead of duplicate code.
2315         (save_temps_prefix): New static for -save-temps=obj.
2316         (save_temps_length): Ditto.
2317         
2318         * doc/invoke.texi (-save-temps=obj): Document new variant to
2319         -save-temps switch.
2321 2009-04-02  Jeff Law  <law@redhat.com>
2323         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2324         variable.
2326 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2328         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2329         * configure: Regenerated.
2331 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2333         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2334         share the argument list.
2336 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2338         Merge
2340         2009-02-12  Diego Novillo  <dnovillo@google.com>
2342         * varpool.c (debug_varpool): New.
2343         * cgraph.h (debug_varpool): Declare.
2345 2009-04-02  Jan Hubicka  <jh@suse.cz>
2347         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2348         pass.
2350 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2352         * config/i386/i386.c (ix86_abi): Move initialization to ...
2353         (override_options): Here.
2355 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2357         * config/sh/sh.c (sh_dwarf_register_span): New function.
2358         (TARGET_DWARF_REGISTER_SPAN): Define.
2359         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2360         
2361 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2363         PR tree-optimization/39595
2364         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2365         interleaved loads group is not  greater than the SLP group size.
2367 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2369         * builtins.c (is_builtin_name): New.
2370         (called_as_built_in): Use is_builtin_name.
2371         * tree.h (is_builtin_name): New.
2372         * varasm.c (incorporeal_function_p): Use is_builtin_name
2374 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2376         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2378 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2380         PR c++/26693
2381         * c-decl.c (clone_underlying_type): Move this ...
2382         * c-common.c (set_underlying_type): ... here.
2383         Also, make sure the function properly sets TYPE_STUB_DECL() on
2384         the newly created typedef variant type.
2385         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2386         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2387         points.
2389 2009-04-02  Richard Guenther  <rguenther@suse.de>
2391         PR tree-optimization/37221
2392         * tree-flow.h (degenerate_phi_result): Declare.
2393         * tree-ssa-dom.c (degenerate_phi_result): Export.
2394         * tree-scalar-evolution.c (analyze_initial_condition): If
2395         the initial condition is defined by a degenerate PHI node
2396         use the degenerate value.
2398 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2400         PR rtl-optimization/39588
2401         * combine.c (merge_outer_ops): Do not set the constant when this
2402         is not necessary.
2403         (simplify_shift_const_1): Do not modify it either in this case.
2405 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2407         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2408         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2410 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2412         PR c/29027
2413         * c-lex.c (interpret_float): Default (no suffix) is double.
2415 2009-04-1  Xinliang David Li  <davidxl@google.com>
2417         * config/i386/i386.c (legitimate_constant_p): Recognize
2418         all one vector constant.
2420 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2422         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2423         Change #include order to silence two warnings.
2425 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2427         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2428         (ASM_SPEC): Pass -k to the assembler for PIC code.
2430 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2432         * gcc/config.gcc: Add vax-*-linux* to the switch.
2433         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2434         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2436 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2438         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2439         Use predicate macros instead of GET_CODE() == foo.
2440         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2441         ashlsi3, rotrsi3, <unnamed>): Likewise.
2443 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2445         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2446         jbbccihi, jbbccisi): Remova trailing whitespace.
2447         * gcc/config/vax/constraints.md: Likewise.
2448         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2449         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2450         * gcc/config/vax/predicates.md: Likewise.
2451         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2452         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2453         * gcc/config/vax/vax.h: Likewise.
2454         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2456 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2458         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2459         (indirectable_address_p, adjacent_operands_p): Add spaces around
2460         braces.
2461         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2463 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2465         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2466         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2467         index_term_p, reg_plus_index_p, legitimate_address_p,
2468         vax_mode_dependent_address_p): Update comments to match functions
2469         modified by the recent int->bool conversion.
2471 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2473         * gcc/config/vax/builtins.md: Update copyright message.
2474         * gcc/config/vax/constraints.md: Likewise.
2475         * gcc/config/vax/netbsd-elf.h: Likewise.
2476         * gcc/config/vax/predicates.md: Likewise.
2477         * gcc/config/vax/vax-protos.h: Likewise.
2478         * gcc/config/vax/vax.c: Likewise.
2479         * gcc/config/vax/vax.h: Likewise.
2480         * gcc/config/vax/vax.md: Likewise.
2481         * gcc/config/vax/vax.opt: Likewise.
2483 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2485         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2486         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2487         * gcc/config/vax/constraints.md (B, R): Likewise.
2488         * gcc/config/vax/predicates.md (external_memory_operand,
2489         nonimmediate_addsub_di_operand): Likewise.
2490         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2491         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2492         untyped_call): Likewise.
2494 2009-04-01  Matt Thomas <matt@3am-software.com>
2496         * config/vax/predicates.md: New file.
2497         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2498         external_const_operand, nonsymbolic_operand, external_memory_operand,
2499         indirect_memory_operand, indexed_memory_operand,
2500         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2501         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2502         predicate.
2503         * config/vax/constraints.md: New file.
2504         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2505         New constraint.
2506         * config/vax/builtins.md: New file.
2507         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2508         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2509         jbbccisi): Define.
2510         * config/vax/vax.opt (mqmath): Add option.
2511         * config/vax/vax.md (isfx): Extend with DI.
2512         (VAXintQH, VAXintQHSD): Define.
2513         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2514         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2515         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2516         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2517         (movdi): Update constraints and use vax_output_int_move().
2518         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2519         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2520         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2521         nonlocal_goto): New.
2522         (mov<mode>): Extend accepted operand types.
2523         (subdi3_old): Rename from subdi3, change update constraints and use
2524         a new implementation.
2525         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2526         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2527         MOVE_RATIO, CLEAR_RATIO): Define.
2528         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2529         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2530         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2531         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2532         (split_quadword_operands): Make static and really allow variable
2533         splitting.
2534         (print_operand_address): Update for PIC generation.
2535         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2536         indexable_address_p, fixup_mathdi_operand,
2537         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2538         (vax_float_literal, legitimate_constant_p,
2539         indirectable_constant_address_p, index_term_p,
2540         reg_plus_index_p): Return bool instead of int.
2541         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2542         where needed.
2543         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2544         generation.
2545         (vax_output_conditional_branch): Indent.
2546         (legitimate_constant_address_p, indirectable_constant_address_p,
2547         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2548         vax_mode_dependent_address_p): Return bool instead of int, update for
2549         PIC generation.
2550         * config/vax/vax-protos.h (legitimate_constant_address_p,
2551         legitimate_constant_p, legitimate_address_p,
2552         vax_mode_dependent_address_p): Change declaration to bool.
2553         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2554         vax_expand_addsub_di_operands, vax_output_int_subtract,
2555         vax_output_movmemsi): Declare.
2556         (split_quadword_operands, vax_float_literal): Delete declaration.
2557         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2558         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2559         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2560         ASM_OUTPUT_DWARF_PCREL): Define.
2561         (ASM_SPEC): Change definition to allow PIC generation.
2563 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2565         * doc/sourcebuild.texi: Update front-end requirements.
2567 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2569         PR target/39226
2570         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2571         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2572         (booldi3_internal3): Use boolean_or_operator instead of
2573         boolean_operator.
2575 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2577         PR c/39605
2578         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2579         declarator whose size is not an integer constant expression but
2580         folds to an integer constant, then treat it as a constant
2581         subsequently.
2583 2009-04-01  Richard Guenther  <rguenther@suse.de>
2585         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2586         i * 4 + 2 to (i * 2 + 1) * 2.
2588 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2590         PR c/37772
2591         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2592         return if c_parser_asm_string_literal returned NULL.
2594 2009-04-01  Nick Clifton  <nickc@redhat.com>
2596         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2597         already defined.
2598         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2599         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2600         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2601         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2602         include it.
2603         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2604         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2605         then include it.
2607 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2609         * varasm.c (default_function_rodata_section): Declare DOT as
2610         const char*.
2612 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2613             Andrey Galkin <agalkin@hypercom.com>
2615         PR/39492
2616         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2617         Make object_name unique for each process.
2619 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2621         PR other/39591
2622         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2623         addressable variables in the parallel that could go out of scope while
2624         running queued tasks.
2626 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2628         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2629         (CASE_VALUES_THRESHOLD): Redefine.
2630         * config/avr/avr.c (avr_override_options): Remove initialization of
2631         avr_case_values_threshold variable.
2632         (avr_case_values_threshold): Remove variable. Add new function.
2633         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2634         * config/avr/avr.opt (mno-tablejump): Remove option.
2635         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2637 2009-04-01  DJ Delorie  <dj@redhat.com>
2639         * varasm.c (default_function_rodata_section): Don't assume
2640         anything about where the first '.' in the section name is.
2642 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2644         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2645         rs6000_emit_stack_tie.
2647 2009-03-31  Ian Lance Taylor  <iant@google.com>
2649         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2650         gimple_code with GIMPLE_RESX, not RESX.
2652 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2654         * c-common.c (c_get_ident): New.
2655         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2657 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2659         * config/rs6000/sysv4.opt (msdata): Improve option description.
2661 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2663         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2664         (divdf3_internal_lat): Remove.
2665         (divxf3_internal_lat): Remove.
2666         (divxf3_internal_thr): Remove.
2667         (divxf): Use divxf3_internal.
2668         * config/ia64/div.md (divsf3_internal_lat): New.
2669         (divdf3_internal_lat): New.
2670         (divxf3_internal): New.
2672 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2674         PR c/448
2675         * Makefile.in (USE_GCC_STDINT): Define.
2676         (stmp-int-hdrs): Install stdint.h if applicable.
2677         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2678         if known.
2679         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2680         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2681         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2682         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2683         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2684         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2685         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2686         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2687         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2688         (c_common_nodes_and_builtins): Initialize
2689         underlying_wchar_type_node.  Do not initialize
2690         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2691         nodes for new types.
2692         (c_stddef_cpp_builtins): Define macros for new types.
2693         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2694         Remove.
2695         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2696         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2697         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2698         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2699         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2700         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2701         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2702         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2703         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2704         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2705         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2706         int16_type_node, int32_type_node, int64_type_node,
2707         uint8_type_node, uint16_type_node, c_uint32_type_node,
2708         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2709         int_least32_type_node, int_least64_type_node,
2710         uint_least8_type_node, uint_least16_type_node,
2711         uint_least32_type_node, uint_least64_type_node,
2712         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2713         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2714         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2715         uintptr_type_node): Define.
2716         * c-cppbuiltin.c (builtin_define_constants,
2717         builtin_define_type_minmax): New.
2718         (builtin_define_stdint_macros): Define more macros.
2719         (c_cpp_builtins): Define more limit macros.
2720         (type_suffix): New.
2721         (builtin_define_type_max): Define in terms of
2722         builtin_define_type_minmax.  Remove is_long parameter.  All
2723         callers changed.
2724         * config.gcc (use_gcc_stdint): Define.
2725         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2726         Add newlib-stdint.h for generic targets.
2727         * config/glibc-stdint.h, config/newlib-stdint.h,
2728         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2729         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2730         * config/score/score.h (UINTPTR_TYPE): Define.
2731         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2732         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2733         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2734         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2735         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2736         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2737         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2738         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2739         * config/spu/spu.h (STDINT_LONG32): Define.
2740         * configure.ac (use_gcc_stdint): Substitute.
2741         * configure: Regenerate.
2742         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2743         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2744         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2745         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2746         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2747         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2748         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2749         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2750         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2751         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2752         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2753         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2754         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2755         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2756         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2757         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2758         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2759         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2760         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2761         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2762         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2763         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2764         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2765         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2766         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2767         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2768         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2769         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2770         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2772 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2774         * loop-iv.c (suitable_set_for_replacement): Renamed from
2775         simplify_using_assignment; changed to return bool and to accept new
2776         args DEST and SRC.  Return true iff we find a source/destination pair
2777         that can be used to make a replacement, and fill SRC and DEST if so.
2778         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2779         changed.
2780         (simplify_using_initial_values): Deal with altered regs here and track
2781         more precisely the effect they have on the validity of our expression.
2783         * loop-iv.c (simplify_using_condition): A condition of the form
2784         (EQ REG CONST) can be used to simply make a substitution.
2785         (simplify_using_initial_values): Keep track of conditions we have seen
2786         and keep using them to simplify new expressions, while applying the
2787         same substitutions to them as to the expression.
2789         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2790         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2791         GEU/LTU reversed.
2793         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2794         changed.  Use this when trying to improve the upper bound.
2795         Generate the comparison by using simplify_gen_relational.
2797         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2799         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2800         functions.
2801         (simplify_using_assignment, simplify_using_initial_values): Call 
2802         replace_in_expr to make replacements.  Call replace_single_def_regs
2803         once on the initial version of the expression.
2805 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2807         PR target/27237
2808         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2809         
2810 2009-03-31  Richard Guenther  <rguenther@suse.de>
2812         PR middle-end/31029
2813         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2814         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2816 2009-03-31  Richard Guenther  <rguenther@suse.de>
2818         * tree.h (div_if_zero_remainder): Declare.
2819         * fold-const.c (div_if_zero_remainder): Export.
2820         * tree-ssa-forwprop.c
2821         (forward_propagate_addr_into_variable_array_index): Handle
2822         constant array index addition outside of the variable index.
2824 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2826         PR target/39592
2827         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2828         define_splits, floatunssi<mode>2): Require x87 conversions from
2829         DImode to be permitted.
2831 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2833         PR preprocessor/15638
2834         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2836 2009-03-31  Richard Guenther  <rguenther@suse.de>
2838         PR middle-end/23401
2839         PR middle-end/27810
2840         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2841         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2842         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2843         a separate statement.
2844         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2845         (lookup_tmp_var): Likewise.
2846         (is_gimple_formal_tmp_or_call_rhs): Remove.
2847         (is_gimple_reg_or_call_rhs): Rename to ...
2848         (is_gimple_reg_rhs_or_call): ... this.
2849         (is_gimple_mem_or_call_rhs): Rename to ...
2850         (is_gimple_mem_rhs_or_call): ... this.
2851         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2852         DECL_GIMPLE_REG_P only if is_formal is true.
2853         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2854         for non-proper post-modify expression gimplification.
2855         (gimplify_self_mod_expr): For post-modify expressions gimplify
2856         the lvalue to a minimal lvalue.
2857         (rhs_predicate_for): Remove formal temp case.
2858         (gimplify_modify_expr_rhs): Likewise.
2859         (gimplify_addr_expr): Use is_gimple_reg.
2860         (gimplify_expr): Remove formal temp cases.
2861         (gimple_regimplify_operands): Likewise.
2862         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2863         and FILTER_EXPR like constants.
2864         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2865         is_gimple_reg.
2866         (is_gimple_formal_tmp_rhs): Remove.
2867         (is_gimple_reg_rhs): Remove special casing.
2868         (is_gimple_mem_rhs): Fix.
2869         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2870         (is_gimple_formal_tmp_var): Remove.
2871         (is_gimple_formal_tmp_reg): Likewise.
2872         (is_gimple_min_lval): Allow invariant component ref parts.
2873         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2874         is_gimple_formal_tmp_reg): Remove declarations.
2875         * tree-cfg.c (verify_expr): Verify that variables with address
2876         taken do not have DECL_GIMPLE_REG_P set.
2877         * tree-mudflap.c (mf_build_check_statement_for): Use
2878         force_gimple_operand instead of gimplify_expr.
2880 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2882         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2883         schedulable rows to compute_split_row.
2885 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2887         PR target/31635
2888         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2889         OPT_mvrsave.
2891 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2893         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2894         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2895         * configure: Regenerate.
2896         * config.in: Regenerate.
2897         * config/rs6000/rs6000.opt (mtls-markers): Add.
2898         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2899         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2900         (tls_ld_aix, tls_ld_sysv): Likewise.
2901         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2902         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2904 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2906         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2908 2009-03-30  Jan Hubicka  <jh@suse.cz>
2910         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2911         out of RESX.
2912         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2913         detection and label handling.
2915 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2917         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2918         left_conflicts_size.
2919         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2920         ALLOCNO_LEFT_CONFLICTS_SIZE.
2922         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2923         remove_allocno_from_bucket_and_push,
2924         allocno_spill_priority_compare, push_allocnos_to_stack,
2925         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2926         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2927         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2928         setup_allocno_left_conflicts_size.
2929         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2930         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2931         setup_allocno_left_conflicts_size instead of
2932         setup_allocno_left_conflicts_num.
2934         * ira-build.c (ira_create_allocno): Use
2935         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2936         ALLOCNO_LEFT_CONFLICTS_NUM.
2937                 
2938 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2940         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2941         instead of DF_LR_OUT.
2943         * ira-lives.c (process_bb_node_lives): Ditto.
2945         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2946         instead of DF_LR_{OUT,IN}.
2948         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2950         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2952 2009-03-30  Jan Hubicka  <jh@suse.cz>
2954         * except.c (label_to_region_map): Fix thinko.
2956 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2958         PR middle-end/38237
2959         * tree.h (tree_find_value): New declaration.
2960         * tree.c (tree_find_value): New function.
2961         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2963 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2965         PR debug/39563
2966         * c-decl.c (struct c_binding): Add locus field.
2967         (bind): Add locus argument, set locus field from it.
2968         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2969         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2970         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2971         implicitly_declare, undeclared_variable, lookup_label,
2972         declare_label, c_make_fname_decl, c_builtin_function,
2973         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2974         bind callers.
2976 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2978         PR target/38781
2979         * config/i386/i386.c (classify_argument): Check total size of
2980         structure.
2982 2009-03-30  Martin Jambor  <mjambor@suse.cz>
2984         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2985         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2986         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2987         respectively.
2989         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2990         seen_variable_array_ref while also traversing a union.
2992         * tree-inline.c (optimize_inline_calls): Do not call
2993         cgraph_node_remove_callees.
2994         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2995         (pass_remove_cgraph_callee_edges): New variable.
2996         * passes.c (init_optimization_passes): Add
2997         pass_remove_cgraph_callee_edges after early inlining and before all
2998         late intraprocedural passes.
3000         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3002 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3004         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3005         Fix typos in names.
3007 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3009         * combine.c (simplify_comparison): Use have_insn_for.
3010         * dojump.c (do_jump): Likewise.
3012 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3014         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3015         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3016         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3017         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3018         instead of sparc_compare_emitted.
3019         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3020         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3021         instead of sparc_compare_emitted.
3023 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3025         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3026         enter/exit cfglayout mode.
3027         (pass_partition_block): Require it.
3028         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3029         (combine_instructions): Track basic blocks instead of labels.
3030         (update_cfg_for_uncondjump): New.
3031         (try_combine): Use it.  Update jumps after rescanning.
3032         (pass_combine): Require PROP_cfglayout.
3033         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3035 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3037         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3038         Provide/destroy PROP_cfglayout respectively.
3039         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3040         * tree-pass.h (PROP_cfglayout): New.
3042 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3044         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3045         fold_convert_const_fixed_from_fixed,
3046         fold_convert_const_fixed_from_int,
3047         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3048         set TREE_CONSTANT_OVERFLOW.
3049         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3050         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3052 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3054         * tree-vect-loop-manip.c: New file.
3055         * tree-vectorizer.c: Update documentation and included files.
3056         (vect_loop_location): Make extern.
3057         (rename_use_op): Move to tree-vect-loop-manip.c
3058         (rename_variables_in_bb, rename_variables_in_loop, 
3059         slpeel_update_phis_for_duplicate_loop, 
3060         slpeel_update_phi_nodes_for_guard1,
3061         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3062         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3063         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3064         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3065         find_loop_location): Likewise.
3066         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3067         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3068         get_vectype_for_scalar_type, vect_is_simple_use,
3069         supportable_widening_operation, supportable_narrowing_operation):
3070         Likewise.
3071         (bb_in_loop_p): Move to tree-vect-loop.c.
3072         (new_loop_vec_info, destroy_loop_vec_info, 
3073         reduction_code_for_scalar_code, report_vect_op, 
3074         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3075         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3076         (vect_supportable_dr_alignment): Likewise.
3077         * tree-vectorizer.h (tree-data-ref.h): Include.
3078         (vect_loop_location): Declare.
3079         Reorganize function declarations according to the new file structure.
3080         * tree-vect-loop.c: New file.
3081         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3082         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3083         * tree-vect-data-refs.c: New file.
3084         * tree-vect-patterns.c (timevar.h): Don't include.
3085         * tree-vect-stmts.c: New file.
3086         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3087         tree-vect-slp.c, tree-vect-loop.c.
3088         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3089         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3090         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3091         (tree-vect-analyze.o): Remove.
3092         (tree-vect-transform.o): Likewise.
3093         (tree-vect-data-refs.o): Add rule.
3094         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3095         tree-vect-slp.o): Likewise.
3096         (tree-vect-patterns.o): Remove redundant dependencies.
3097         (tree-vectorizer.o): Likewise.
3098         * tree-vect-slp.c: New file.
3100 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3102         * optc-gen.awk: Warn if an option flag has multiple different
3103         help strings.
3105 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3107         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3108         -floop-block): Document dependences on PPL, CLooG and Graphite.
3110 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3112         PR rtl-optimization/323
3113         * c-common.c (c_fully_fold, convert_and_check,
3114         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3115         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3116         * c-common.def (EXCESS_PRECISION_EXPR): New.
3117         * c-cppbuiltin.c (builtin_define_float_constants): Define
3118         constants with enough digits for long double.
3119         * c-lex.c (interpret_float): Interpret constant with excess
3120         precision where appropriate.
3121         * c-opts.c (c_common_post_options): Set
3122         flag_excess_precision_cmdline.  Give an error for
3123         -fexcess-precision=standard for C++ for processors where the
3124         option is significant.
3125         * c-parser.c (c_parser_conditional_expression): Handle excess
3126         precision in condition.
3127         * c-typeck.c (convert_arguments): Handle arguments with excess
3128         precision.
3129         (build_unary_op): Move excess precision outside operation.
3130         (build_conditional_expr): Likewise.
3131         (build_compound_expr): Likewise.
3132         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3133         (build_modify_expr): Handle excess precision in RHS.
3134         (convert_for_assignment): Handle excess precision in converted
3135         value.
3136         (digest_init, output_init_element, process_init_element): Handle
3137         excess precision in initializer.
3138         (c_finish_return): Handle excess precision in return value.
3139         (build_binary_op): Handle excess precision in operands and add
3140         excess precision as needed for operation.
3141         * common.opt (-fexcess-precision=): New option.
3142         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3143         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3144         For standard excess precision, output explicit conversion to and
3145         truncation from XFmode.
3146         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3147         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3148         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3149         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3150         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3151         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3152         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3153         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3154         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3155         define_splits, sqrt<mode>2): Disable where appropriate for
3156         standard excess precision.
3157         * convert.c (convert_to_real): Do not shorten arithmetic to type
3158         for which excess precision would be used.
3159         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3160         * doc/invoke.texi (-fexcess-precision=): Document option.
3161         (-mfpmath=): Correct index entry.
3162         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3163         flag_excess_precision): New.
3164         * langhooks.c (lhd_post_options): Set
3165         flag_excess_precision_cmdline.
3166         * opts.c (common_handle_option): Handle -fexcess-precision=.
3167         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3168         init_excess_precision): New.
3169         (lang_dependent_init_target): Call init_excess_precision.
3170         * tree.c (excess_precision_type): New.
3171         * tree.h (excess_precision_type): Declare.
3173 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3175         PR c/35235
3176         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3177         non-lvalue to component.
3179 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3181         PR preprocessor/34695
3182         * Makefile.in (c-opts.o): Depend on c-tree.h.
3183         * c-common.c: Move down include of diagnostic.h.
3184         (done_lexing, c_cpp_error): New.
3185         * c-common.h (done_lexing): Declare.
3186         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3187         (parse_in).
3188         * c-opts.c: Include c-tree.h.
3189         (c_common_init_options): Set preprocessor error callback.
3190         (c_common_handle_option): Do not set preprocessor
3191         inhibit_warnings, warnings_are_errors, warn_system_headers,
3192         pedantic_errors or inhibit_warnings flags.
3193         (c_common_post_options): Do not check cpp_errors (parse_in).
3194         (c_common_finish): Do not output dependencies if there were
3195         errors.  Do not check return value of cpp_finish.
3196         * c-ppoutput.c (pp_file_change): Set input_location.
3197         * c-tree.h (c_cpp_error): Declare.
3198         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3199         override_column.
3200         (diagnostic_build_prefix): Check override_column.
3201         * diagnostic.h (diagnostic_info): Add override_column field.
3202         (diagnostic_override_column): Define.
3204 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3206         * c-common.c (c_expand_expr, c_staticp): Remove.
3207         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3208         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3209         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3210         * c-gimplify.c (gimplify_compound_literal_expr,
3211         optimize_compound_literals_in_ctor): Remove.
3212         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3213         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3214         * c-semantics.c (emit_local_var): Remove.
3216         * langhooks-def.h (lhd_expand_expr): Remove.
3217         * langhooks.c (lhd_expand_expr): Remove.
3218         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3220         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3221         handling from c-semantics.c; don't call into langhook.
3222         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3223         * gimplify.c (gimplify_compound_literal_expr,
3224         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3225         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3226         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3227         as was done in c-gimplify.c.
3228         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3229         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3230         Move from c-common.h.
3231         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3233         * tree.c (staticp): Do not call langhook.
3234         * langhooks.c (lhd_staticp): Delete.
3235         * langhooks-def.h (lhd_staticp): Delete prototype.
3236         (LANG_HOOKS_STATICP): Delete.
3237         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3239         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3240         instead of DECL_STMTs.
3242 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3244         PR c/456
3245         PR c/5675
3246         PR c/19976
3247         PR c/29116
3248         PR c/31871
3249         PR c/35198
3250         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3251         void_type_node.
3252         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3253         contained expression.
3254         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3255         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3256         conditional expressions for C.
3257         (decl_constant_value_for_optimization): Move from
3258         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3259         whether optimizing and that the expression is a VAR_DECL not of
3260         array type instead of doing such checks in the caller.  Do not
3261         check pedantic.  Call gcc_unreachable for C++.
3262         * c-common.def (C_MAYBE_CONST_EXPR): New.
3263         * c-common.h (c_fully_fold, c_save_expr,
3264         decl_constant_value_for_optimization): New prototypes.
3265         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3266         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3267         EXPR_INT_CONST_OPERANDS): Define.
3268         * c-convert.c (convert): Strip nops from expression.
3269         * c-decl.c (groktypename): Take extra parameters expr and
3270         expr_const_operands.  Update call to grokdeclarator.
3271         (start_decl): Update call to grokdeclarator.  Add statement for
3272         expressions used in type of decl.
3273         (grokparm): Update call to grokdeclarator.
3274         (push_parm_decl): Update call to grokdeclarator.
3275         (build_compound_literal): Add parameter non_const and build a
3276         C_MAYBE_COSNT_EXPR if applicable.
3277         (grokdeclarator): Take extra parameters expr and
3278         expr_const_operands.  Track expressions used in declaration
3279         specifiers and declarators.  Fold array sizes and track whether
3280         they are constant expressions and whether they are integer
3281         constant expressions.
3282         (parser_xref_tag): Set expr and expr_const_operands fields in
3283         return value.
3284         (grokfield): Update call to grokdeclarator.
3285         (start_function): Update call to grokdeclarator.
3286         (build_null_declspecs): Set expr and expr_const_operands fields in
3287         return value.
3288         (declspecs_add_type): Handle expressions in typeof specifiers.
3289         * c-parser.c (c_parser_declspecs): Set expr and
3290         expr_const_operands fields for declaration specifiers.
3291         (c_parser_enum_specifier): Likewise.
3292         (c_parser_struct_or_union_specifier): Likewise.
3293         (c_parser_typeof_specifier): Likewise.  Update call to
3294         groktypename.  Fold expression as needed.  Return expressions with
3295         type instead of adding statements.
3296         (c_parser_attributes): Update calls to c_parser_expr_list.
3297         (c_parser_statement_after_labels): Fold expression before passing
3298         to objc_build_throw_stmt.
3299         (c_parser_condition): Fold expression.
3300         (c_parser_asm_operands): Fold expression.
3301         (c_parser_conditional_expression): Use c_save_expr.  Update call
3302         to build_conditional_expr.
3303         (c_parser_alignof_expression): Update call to groktypename.
3304         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3305         original_code.  Fold expression argument of va_arg.  Create
3306         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3307         argument to va_arg.  Update calls to groktypename.  Fold array
3308         index for offsetof.  Verify that first argument to
3309         __builtin_choose_expr has integer type.
3310         (c_parser_postfix_expression_after_paren_type): Update calls to
3311         groktypename and build_compound_literal.  Handle expressions with
3312         side effects in type name.
3313         (c_parser_postfix_expression_after_primary): Update call to
3314         c_parser_expr_list.  Set original_code for calls to
3315         __builtin_constant_p.
3316         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3317         expressions if requested.
3318         (c_parser_objc_type_name): Update call to groktypename.
3319         (c_parser_objc_synchronized_statement): Fold expression.
3320         (c_parser_objc_receiver): Fold expression.
3321         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3322         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3323         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3324         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3325         (struct c_typespec): Add elements expr and expr_const_operands.
3326         (struct c_declspecs): Add elements expr and expr_const_operands.
3327         (groktypename, build_conditional_expr, build_compound_literal):
3328         Update prototypes.
3329         (in_late_binary_op): Declare.
3330         * c-typeck.c (note_integer_operands): New function.
3331         (in_late_binary_op): New variable.
3332         (decl_constant_value_for_broken_optimization): Move to c-common.c
3333         and rename to decl_constant_value_for_optimization.
3334         (default_function_array_conversion): Do not strip nops.
3335         (default_conversion): Do not call
3336         decl_constant_value_for_broken_optimization.
3337         (build_array_ref): Do not fold result.
3338         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3339         result when operand is a VLA.
3340         (c_expr_sizeof_type): Update call to groktypename.  Handle
3341         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3342         result when operand names a VLA type.
3343         (build_function_call): Update call to build_compound_literal.
3344         Only fold result for calls to __builtin_* functions.  Strip
3345         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3346         the function designator.
3347         (convert_arguments): Fold arguments.  Update call to
3348         convert_for_assignment.
3349         (build_unary_op): Handle increment and decrement of
3350         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3351         decrement earlier.  Fold operand of increment and decrement.
3352         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3353         built for integer operand.  Wrap returns that are INTEGER_CSTs
3354         without being integer constant expressions or that have integer
3355         constant operands without being INTEGER_CSTs.
3356         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3357         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3358         result is an integer constant expression or can be used in
3359         unevaluated parts of one and avoid folding and wrap as
3360         appropriate.  Fold operands before possibly doing -Wsign-compare
3361         warnings.
3362         (build_compound_expr): Wrap result for C99 if operands can be used
3363         in integer constant expressions.
3364         (build_c_cast): Update call to digest_init.  Do not ignore
3365         overflow from casting floating-point constants to integers.  Wrap
3366         results that could be confused with integer constant expressions,
3367         null pointer constants or floating-point constants.
3368         (c_cast_expr): Update call to groktypename.  Handle expressions
3369         included in type name.
3370         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3371         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3372         Update calls to convert_for_assignment.
3373         (convert_for_assignment): Take new parameter
3374         null_pointer_constant.  Do not strip nops or call
3375         decl_constant_value_for_broken_optimization.  Set
3376         in_late_binary_op for conversions to boolean.
3377         (store_init_value): Update call to digest_init.
3378         (digest_init): Take new parameter null_pointer_constant.  Do not
3379         call decl_constant_value_for_broken_optimization.  pedwarn for
3380         initializers not constant expressions.  Update calls to
3381         convert_for_assignment.
3382         (constructor_nonconst): New.
3383         (struct constructor_stack): Add nonconst element.
3384         (really_start_incremental_init, push_init_level, pop_init_level):
3385         Handle constructor_nonconst and nonconst element.
3386         (set_init_index): Call constant_expression_warning for array
3387         designators.
3388         (output_init_element): Fold value.  Set constructor_nonconst as
3389         applicable.  pedwarn for initializers not constant expressions.
3390         Update call to digest_init.  Call constant_expression_warning
3391         where constant initializers are required.
3392         (process_init_element): Use c_save_expr.
3393         (c_finish_goto_ptr): Fold expression.
3394         (c_finish_return): Fold return value.  Update call to
3395         convert_for_assignment.
3396         (c_start_case): Fold switch expression.
3397         (c_process_expr_stmt): Fold expression.
3398         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3399         ensure statement expression is not evaluated in constant expression.
3400         (build_binary_op): Track whether results are integer constant
3401         expressions or may occur in such, disable folding and wrap results
3402         as applicable.  Fold operands for -Wsign-compare warnings unless
3403         in_late_binary_op.
3404         (c_objc_common_truthvalue_conversion): Handle results folded to
3405         integer constants that are not integer constant expressions.
3406         * doc/extend.texi: Document when typeof operands are evaluated,
3407         that condition of __builtin_choose_expr is an integer constant
3408         expression, and more about use of __builtin_constant_p in
3409         initializers.
3411 2009-03-29  Richard Guenther  <rguenther@suse.de>
3413         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3414         propagate addresses of array references.
3416 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3418         * regmove.c (perhaps_ends_bb_p): Remove.
3419         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3420         from INSN and check that the main loop stays within that basic block.
3421         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3422         (regmove_forward_pass): Split out from regmove_optimize.  Use
3423         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3424         (regmove_backward_pass): Split out from regmove_optimize.  Use
3425         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3426         (regmove_optimize): Simplify.
3428 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3430         PR target/39545
3431         * config/i386/i386.c (classify_argument): Ignore flexible array
3432         member in struct and warn ABI change.
3434 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3436         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3438         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3439         (ix86_adjust_cost): Updated.
3441 2009-03-29  Jan Hubicka  <jh@suse.cz>
3443         PR middle-end/28850
3444         * tree-pass.h (pass_cleanup_eh): New function.
3445         (remove_unreachable_regions): Break code handling RTL
3446         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3447         that can not be reached by runtime.
3448         (can_be_reached_by_runtime): New function.
3449         (label_to_region_map): New function.
3450         (num_eh_regions): New function.
3451         (rtl_remove_unreachable_regions): New function.
3452         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3453         (remove_eh_region): New function.
3454         * except.h: Include sbitmap and vecprim.
3455         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3456         num_eh_regions): Declare.
3457         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3458         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3459         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3460         (tree_empty_eh_handler_p): New function.
3461         (cleanup_empty_eh): New function.
3462         (cleanup_eh): New function.
3463         (pass_cleanup_eh): New function.
3465 2009-03-29  Jan Hubicka  <jh@suse.cz>
3467         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3468         for removed regions.
3470 2009-03-29  Jan Hubicka  <jh@suse.cz>
3472         * except.c (dump_eh_tree): Dump all datastructures.
3474 2009-03-29  Jan Hubicka  <jh@suse.cz>
3476         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3477         (duplicate_eh_regions_1): Likewise.
3478         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3479         vector; call EH verification.
3480         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3481         Be ready for region being removed.
3483 2009-03-29  Jan Hubicka  <jh@suse.cz>
3485         * bitmap.c (bitmap_last_set_bit): New function.
3486         * bitmap.h (bitmap_last_set_bit): Declare.
3488 2009-03-29  David Ayers  <ayers@fsfe.org>
3490         PR objc/27377
3491         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3492         by calling objc_compare_types and surpress warnings about
3493         incompatible C pointers that are compatible ObjC pointers.
3494         
3495 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3497         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3498         call initialize_inline_failed.
3499         (initialize_inline_failed): Move it from here ...
3500         * cgraph.c (initialize_inline_failed): ... to here.
3501         (cgraph_create_edge): Call initialize_inline_failed rather than
3502         setting inline_failed directly.
3504 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3506         PR target/32542
3507         * sysv4.opt (msdata): Improve comment.
3508         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3509         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3511 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3513         PR target/30451
3514         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3515         load and store attributes.
3517 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3519         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3520         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3521         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3522         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3523         __builtin_infq and __builtin_huge_valq.
3525 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3527         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3528         atmega8m1 devices.
3529         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3530         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3532 2009-03-28  Xinliang David Li  <davidxl@google.com>
3534         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3535         (do_dbg_cnt): New function.
3537 2009-03-28  Jan Hubicka  <jh@suse.cz>
3539         Merge from pretty-ipa:
3541         2009-03-27  Jan Hubicka  <jh@suse.cz>
3543         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3544         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3545         * passes.c (function_called_by_processed_nodes_p): New.
3546         * ipa-pure-const.c (check_call): Fix handling of operands.
3547         (analyze_function): Dump debug output for skipped bodies.
3548         (local_pure_const): Use function_called_by_processed_nodes_p.
3549         * dwarf2out.c (reference_to_unused): Use output.
3550         * passes.c (do_per_function_toporder): Likewise.
3552         2008-11-12  Jan Hubicka  <jh@suse.cz>
3554         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3555         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3556         state_set_in_source enum
3557         (check_decl): Ignore memory tags; do not set fake looping flags;
3558         dump diagnostics.
3559         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3560         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3561         (check_call, analyze_function): Rewrite.
3562         (check_stmt): New.
3563         (add_new_function): Update call of analyze_function.
3564         (generate_summary): Add call of analyze_function.
3565         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3566         (local_pure_const): New function.
3567         (pass_local_pure_const): New pass.
3568         * ipa-inline.c (inline_transform): Set after_inlining.
3569         * tree-eh.c (stmt_can_throw_external): New.
3570         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3571         work with aliasing built.
3572         * tree-flow.h (stmt_can_throw_external): New.
3573         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3574         and local pure/const pass in early and late optimization queue.
3576 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3578         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3579         allow_func_align.
3580         (fold_binary): Allow function decl aligment consideration is the
3581         second argument is integer constant one.
3582         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3583         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3584         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3586 2009-03-28  Jan Hubicka  <jh@suse.cz>
3588         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3589         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3590         * function.h (rtl_data): Add nothrow flag.
3591         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3592         set DECL_NOTHROW for AVAILABLE functions.
3594 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3596         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3597         following vector keyword has expansion starting with pixel or bool
3598         keyword, expand vector to __vector and pixel or bool to __pixel or
3599         __bool.
3601         PR c++/39554
3602         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3603         warn_if_disallowed_function_p): Removed.
3604         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3605         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3606         warning_if_disallowed_function_p.
3607         * flags.h (warn_if_disallowed_function_p,
3608         warn_disallowed_functions): Removed.
3609         * common.opt (Wdisallowed-function-list=): Removed.
3610         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3612 2009-03-28  Richard Guenther  <rguenther@suse.de>
3614         PR tree-optimization/38723
3615         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3616         the entry block.
3618 2009-03-28  Jan Hubicka  <jh@suse.cz>
3620         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3621         test introduced by my previous patch.
3623 2009-03-28  Richard Guenther  <rguenther@suse.de>
3625         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3626         the PHIs value undefined.
3628 2009-03-28  Jan Hubicka  <jh@suse.cz>
3630         * tree-pass.h (pass_fixup_cfg): New pass.
3631         * ipa-inline.c (inline_transform): Set
3632         always_inline_functions_inlined/after_inlining.
3633         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3634         (pass_fixup_cfg): New pass.
3635         * passes.c (init_optimization_passes): Add fixup_cfg.
3637 2009-03-28  Richard Guenther  <rguenther@suse.de>
3639         PR tree-optimization/38458
3640         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3641         argument use the arguments copy-of value.
3643 2009-03-28  Richard Guenther  <rguenther@suse.de>
3645         PR tree-optimization/38180
3646         * tree-ssa-ccp.c (get_default_value): Simplify.
3647         (likely_value): Likewise.
3648         (surely_varying_stmt_p): Properly handle VOP case.
3649         (ccp_initialize): Likewise.
3650         (ccp_fold): Handle propagating through *&.
3651         (fold_const_aggregate_ref): Also handle decls.
3653 2009-03-28  Jan Hubicka  <jh@suse.cz>
3655         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3656         * cgraph.h (cgraph_node): Likewise.
3657         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3658         (cgraph_reset_node): Use process flag.
3659         (cgraph_mark_functions_to_output): Likewise.
3660         (cgraph_expand_function): Likewise.
3661         (cgraph_expand_all_functions): Likewise.
3662         (cgraph_output_in_order): Likewise.
3663         * dwarf2out.c (reference_to_unused): Likewise.
3664         * passes.c do_per_function_toporder): Likewise.
3666 2009-03-28  Jan Hubicka  <jh@suse.cz>
3668         Bring from lto-branch:
3670         2008-09-03  Doug Kwan  <dougkwan@google.com>
3672         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3673         enums instead of reason strings.
3674         * cgraph.c (cgraph_create_edge): Same.
3675         (cgraph_inline_failed_string): New function.
3676         * cgraph.h (cgraph_inline_failed_t): New enum type.
3677         (cgraph_inline_failed_string): New prototype.
3678         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3679         char pointer to cgraph_inline_failed_t.
3680         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3681         (cgraph_default_inline_p): Ditto.
3682         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3683         to cgraph_inline_failed_t pointer.
3684         * cif-code.def: New file.
3685         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3686         reason string.
3687         (cgraph_check_inline_limits): Change type of REASON to pointer to
3688         cgraph_inline_failed_t.  Replace reason strings with enums.
3689         (cgraph_default_inline_p): Ditto.
3690         (cgraph_recursive_inlining_p): Ditto.
3691         (update_caller_keys): Change type of FAILED_REASON to
3692         cgraph_inline_failed_t.
3693         (cgraph_set_inline_failed): Change type of REASON to pointer to
3694         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3695         convert enums to strings for text output.
3696         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3697         to be of type cgraph_inline_failed_t.  Replace reason strings with
3698         enums.  Call cgraph_inline_failed_string to covert enums
3699         to strings for text output.
3700         (cgraph_decide_inlining): Replace reason strings with enums.
3701         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3702         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3703         for text output.
3704         * tree-inline.c (expand_call_inline): Change type of REASON
3705         to cgraph_inline_failed_t.  Replace reason strings with enums.
3706         Call cgraph_inline_failed_string for text output.
3707         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3708         (cgraph.o): Ditto.
3710 2009-03-28  Jan Hubicka  <jh@suse.cz>
3712         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3713         cgraph_clone_node): Remove master clone handling.
3714         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3715         * cgraph.h (master_clone): Remove.
3716         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3717         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3718         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3720 2009-03-28  Jan Hubicka  <jh@suse.cz>
3722         * cgraph.c (cgraph_function_body_availability): Functions declared
3723         inline are always safe to assume that it is not going to be replaced.
3725 2009-03-28  Richard Guenther  <rguenther@suse.de>
3727         PR tree-optimization/38513
3728         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3729         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3730         EXC_PTR_EXPR and FILTER_EXPR.
3731         (get_ref_from_reference_ops): Likewise.
3733 2009-03-28  Richard Guenther  <rguenther@suse.de>
3735         PR tree-optimization/38968
3736         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3737         Use FLOOR_MOD_EXPR to compute misalignment.
3739 2009-03-28  Richard Guenther  <rguenther@suse.de>
3741         PR tree-optimization/37795
3742         * tree.h (combine_comparisons): Declare.
3743         * fold-const.c (combine_comparisons): Export.
3744         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3745         comparisons.
3746         (ifcombine_iforif): Use combine_comparisons.
3748 2009-03-28  Jan Hubicka  <jh@suse.cz>
3750         * tree-eh.c (inlinable_call_p): New function.
3751         (make_eh_edges): Use it.
3752         (verify_eh_edges): Use it.
3753         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3754         * except.c (reachable_next_level): Add inlinable_function argument
3755         (sjlj_find_directly_reachable_regions): Update.
3756         (add_reachable_handler): Do not set saw_any_handlers.
3757         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3758         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3759         Add new inlinable call parameter.
3760         (can_throw_internal, can_throw_external): Update.
3761         * except.h (can_throw_internal_1, can_throw_external_1,
3762         foreach_reachable_handler): Update declaration.
3764 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3766         * config/arm/t-arm-coff, config/h8300/coff.h,
3767         config/i386/i386-aout.h, config/i386/i386-coff.h,
3768         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3769         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3770         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3771         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3772         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3773         sys-types.h: Remove.
3774         * Makefile.in: Remove protoize and fixproto support and references
3775         in comments.
3776         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3777         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3778         Remove.
3779         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3780         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3781         unprotoize$(exeext).
3782         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3783         (.PHONY): Don't depend on proto.
3784         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3785         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3786         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3787         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3788         build/gen-protos.o, build/scan.o, xsys-protos.h,
3789         build/fix-header$(build_exeext), build/fix-header.o,
3790         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3791         stmp-install-fixproto): Remove.
3792         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3793         SYSCALLS.c or fixproto files.
3794         (install-common): Don't install protoize.
3795         (install-headers-tar, install-headers-cpio, install-headers-cp):
3796         Don't depend on $(STMP_FIXPROTO).
3797         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3798         install fixproto files or write out fixproto settings.
3799         (uninstall): Don't uninstall protoize.
3800         * config.gcc (use_fixproto): Remove.
3801         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3802         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3803         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3804         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3805         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3806         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3807         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3808         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3809         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3810         * config/t-vxworks (STMP_FIXPROTO): Remove.
3811         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3812         STMP_FIXPROTO): Remove.
3813         * config.in, configure: Regenerate.
3814         * crtstuff.c (gid_t, uid_t): Don't undefine.
3815         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3816         (arm-*-coff, arm-*-aout: Remove target entries.
3817         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3818         Remove mention of AIX 4.1.
3819         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3820         * doc/invoke.texi (Running Protoize): Remove.
3821         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3822         (Protoize Caveats): Remove.
3823         * tsystem.h: Update comments on headers assumed to exist.
3825 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3827         * genautomata.c: Add a new year to the copyright.  Add a new
3828         reference.
3829         (struct insn_reserv_decl): Add comments for member bypass_list.
3830         (find_bypass): Remove.
3831         (insert_bypass): New.
3832         (process_decls): Use insert_bypass.
3833         (output_internal_insn_latency_func): Output all bypasses with the
3834         same input insn in one switch case.
3836         * rtl.def (define_bypass): Describe bypass choice.
3837         * doc/md.texi (define_bypass): Ditto.
3839 2009-03-27  Richard Guenther  <rguenther@suse.de>
3841         * gimplify.c (mark_addressable): Export.
3842         * tree-flow.h (mark_addressable): Declare.
3843         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3844         * tree-ssa.c (verify_phi_args): Verify that address taken
3845         variables have TREE_ADDRESSABLE set.
3847 2009-03-27  Richard Guenther  <rguenther@suse.de>
3849         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3850         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3851         Do not mark decls TREE_ADDRESSABLE.
3852         (build_fold_addr_expr): Adjust.
3853         (fold_addr_expr): Remove.
3854         (fold_unary): Use build_fold_addr_expr.
3855         (fold_comparison): Likewise.
3856         (split_address_to_core_and_offset): Likewise.
3857         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3858         TREE_ADDRESSABLE.
3859         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3860         (gimplify_modify_expr_to_memcpy): Mark source and destination
3861         addressable.
3862         * omp-low.c (create_omp_child_function): Mark the object decl
3863         TREE_ADDRESSABLE.
3864         (lower_rec_input_clauses): Mark the var we take the address of
3865         TREE_ADDRESSABLE.
3866         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3868 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3870         PR middle-end/39315
3871         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3872         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3874 2009-03-27  Richard Guenther  <rguenther@suse.de>
3876         PR tree-optimization/39120
3877         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3878         constraints.
3879         (handle_lhs_call): Process return constraints.  Add escape
3880         constraints if necessary.
3881         (handle_const_call): Fill out return constraints.  Make nested
3882         case more precise.  Avoid consttmp if possible.
3883         (handle_pure_call): Fill out return constraints.  Avoid
3884         callused if possible.
3885         (find_func_aliases): Simplify call handling.
3887 2009-03-27  Richard Guenther  <rguenther@suse.de>
3889         PR tree-optimization/39120
3890         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3891         as a representative.
3892         (solve_graph): Do propagate CALLUSED.
3893         (handle_pure_call): Use a scalar constraint from CALLUSED for
3894         the return value.
3895         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3896         solutions.
3898 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3900         PR c/39323
3901         * c-common.c (handle_aligned_attribute): Properly check alignment
3902         overflow.  Use (1U << i) instead of (1 << i).
3904         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3906         * expr.h (get_mem_align_offset): Updated.
3908         * tree.h (tree_decl_common): Change align to "unsigned int" and
3909         move it before pointer_alias_set.
3911 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3912             Jakub Jelinek  <jakub@redhat.com>
3914         PR target/38034
3915         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3916         gr_register_operand with gr_reg_or_0_operand.
3917         (cmpxchg_rel_di): Likewise.
3918         (sync_lock_test_and_set<mode>): Likewise.
3920 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3922         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3923         (true_regnum): Likewise.
3925         * rtlanal.c (subreg_info): Moved to ...
3926         * rtl.h (subreg_info): Here.  New.
3927         (subreg_get_info): New.
3929         * rtlanal.c (subreg_get_info): Make it extern.
3931 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3933         PR target/39472
3934         * config/i386/i386.c (ix86_abi): New.
3935         (override_options): Handle -mabi=.
3936         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3937         (ix86_call_abi_override): Likewise.
3938         (init_cumulative_args): Likewise.
3939         (function_arg_advance): Likewise.
3940         (function_arg_64): Likewise.
3941         (function_arg): Likewise.
3942         (ix86_pass_by_reference): Likewise.
3943         (ix86_function_value_regno_p): Likewise.
3944         (ix86_build_builtin_va_list_abi): Likewise.
3945         (setup_incoming_varargs_64): Likewise.
3946         (is_va_list_char_pointer): Likewise.
3947         (ix86_init_machine_status): Likewise.
3948         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3949         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3950         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3951         (ix86_function_abi): Make it static and return enum calling_abi.
3952         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3953         with ix86_abi.
3954         (ix86_fn_abi_va_list): Updated.
3956         * config/i386/i386.h (ix86_abi): New.
3957         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3958         (CONDITIONAL_REGISTER_USAGE): Likewise.
3959         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3960         (machine_function): Likewise.
3962         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3963         with ix86_abi.
3964         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3965         (STACK_BOUNDARY): Likewise.
3966         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3968         * config/i386/i386.opt (mabi=): New.
3970         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3971         return enum calling_abi.
3972         (ix86_function_type_abi): Likewise.
3973         (ix86_function_abi): Removed.
3975         * doc/invoke.texi: Document -mabi= option for x86.
3977 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3979         * builtins.c (real_dconstp): Delete.
3980         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3982 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
3983             Jakub Jelinek  <jakub@redhat.com>
3985         PR debug/37959
3986         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3987         (gen_subprogram_die): When a function is explicit, generate the
3988         DW_AT_explicit attribute.
3989         * langhooks.h (struct lang_hooks_for_decls): Add
3990         function_decl_explicit_p langhook.
3991         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3992         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3994 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
3996         * builtins.c (fold_builtin_memory_op): Optimize memmove
3997         into memcpy if we can prove source and destination don't overlap.
3999         * tree-inline.c: Include gt-tree-inline.h.
4000         (clone_fn_id_num): New variable.
4001         (clone_function_name): New function.
4002         (tree_function_versioning): Use it.
4003         * Makefile.in (GTFILES): Add tree-inline.c.
4005 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4007         * BASE-VER: Change to 4.5.0.
4009 2009-03-27  Xinliang David Li  <davidxl@google.com>
4011         PR tree-optimization/39557
4012         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4014 2009-03-27  Xinliang David Li  <davidxl@google.com>
4016         PR tree-optimization/39548
4017         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
4018         candidate check.
4020 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4022         * c-common.c (pointer_int_sum): Use %wd on return from
4023         tree_low_cst.
4025 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4027         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4028         on return from tree_low_cst.
4030 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4032         PR c++/36799
4033         * ginclude/stdarg.h (va_copy): Define also for
4034         __GXX_EXPERIMENTAL_CXX0X__.
4036 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4038         PR c++/35652
4039         * builtins.h (c_strlen): Do not warn here.
4040         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4041         * c-common.c (pointer_int_sum): Take an explicit location.
4042         Warn about offsets out of bounds.
4043         * c-common.h (pointer_int_sum): Adjust declaration.
4045 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4047         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4048         markup glitch.
4050 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4052         PR c++/39554
4053         * opts.c (warn_if_disallowed_function_p): Don't assume
4054         get_callee_fndecl must return non-NULL.
4056 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4058         PR rtl-optimization/39522
4059         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4060         when reg_reloaded_valid is set.
4062 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4064         * config/spu/divv2df3.c: New file.
4065         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4066         (DPBIT_FUNCS): Filter out _div_df.
4068 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4070         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4071         a jump insn, count that jump in the distance to the loop start.
4073 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4075         PR target/39523
4076         * config/sh/sh.c (calc_live_regs): Fix condition for global
4077         registers except PIC_OFFSET_TABLE_REGNUM.
4079 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4081         PR/39518
4082         * doc/invoke.texi (-mconsole): New.
4083         (-mcygwin): New.
4084         (-mno-cygwin): New.
4085         (-mdll): New.
4086         (-mnop-fun-dllimport): New.
4087         (-mthread): New.
4088         (-mwin32): New.
4089         (-mwindows): New.
4090         (sub section "i386 and x86-64 Windows Options"): New.
4092 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4094         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4095         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4097 2009-03-25  Richard Guenther  <rguenther@suse.de>
4099         PR middle-end/39497
4100         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4101         of -Wno-error.
4103 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4105         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4106         neither of haifa/selective schedulers are working.
4108 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4110         * doc/invoke.texi (Debugging Options): Fix description of
4111         -fno-merge-debug-strings.
4113 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4115         * config/cris/libgcc.ver: New version-script.
4116         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4118         * configure.ac <GAS features, nop mnemonic>: Add pattern
4119         crisv32-*-* for "nop".
4120         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4121         * configure: Regenerate.
4123 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4125         PR tree-optimization/39529
4126         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4127         mark_sym_for_renaming for the tag copied to the new vector
4128         pointer.
4130 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4132         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4133         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4134         EXTRA_SPEC_FUNCTIONS.
4135         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4136         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4137         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4138         -march and -mtune options.
4140 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4142         * config/m68k/t-rtems: Add m5329 multilib.
4144 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4145             Jakub Jelinek  <jakub@redhat.com>
4147         PR debug/39524
4148         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4149         nodes.
4151 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4153         PR c/39495
4154         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4155         instead of c_parser_expression_conv, if original_code isn't one of the
4156         4 allowed comparison codes, fail.
4158 2009-03-23  Richard Guenther  <rguenther@suse.de>
4160         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4161         * tree.h (struct tree_type): Likewise.
4162         * reload.h (struct insn_chain): Likewise.
4163         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4164         * function.h (struct function): Likewise.
4165         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4167 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4169         PR tree-optimization/39516
4170         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4172 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4174         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4175         should be set true if BITS_PER_WORD of target is bigger than 32
4177 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4179         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4180         Translate -B-options to -rpath-link.  Correct existing
4181         rpath-link and conditionalize on !nostdlib.
4183 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4185         * doc/extend.texi (Function Attributes, Variable Attributes):
4186         Fix typos.
4187         * doc/invoke.texi (Debugging Options, Optimize Options)
4188         (i386 and x86-64 Options, MCore Options): Likewise.
4190 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4192         PR debug/37890
4193         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4194         it for block local namespace aliases.
4195         (gen_decl_die): Pass context_die to gen_namespace_die.
4197 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4199         PR c/39495
4200         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4201         minimum or maximum value.
4203 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4205         * reginfo.c (globalize_reg): Recompute derived reg sets.
4207 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4209         PR target/39063
4210         * libgcc2.c (mprotect): Do not use signed arguments for
4211         VirtualProtect, use DWORD arguments.  Also fix the 'may
4212         be used uninitialized' warning for the np variable.
4214 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4216         PR target/39496
4217         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4218         functions using regparm calling conventions when not optimizing.
4219         (ix86_function_sseregparm): Similarly for sseregparm calling
4220         conventions.
4222 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4224         PR middle-end/39500
4225         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4226         dependence if the first conflict is after niter iterations.
4228 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4230         PR middle-end/38609
4231         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4232         functions with dynamic stack-pointer adjustments.
4234 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4236         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4237         option; change to -msdata=data.
4239 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4241         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4242         and -fopenmp.
4244 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4246         PR target/35180
4247         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4249 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4251         * doc/invoke.texi (Code Gen Options): Expand discussion of
4252         -fno-common.
4254 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4256         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4257         * matrix-reorg.c (struct matrix_info): Likewise.
4258         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4259         * rtl.h (struct mem_attrs): Likewise.
4260         * df.h (struct df): Likewise.
4261         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4262         * ira-int.h (struct ira_allocno): Likewise.
4263         * df-scan.c (struct df_collection_rec): Likewise.
4264         * ira.c (struct equivalence): Likewise.
4265         * function.c (struct temp_slot): Likewise.
4266         * cfgloop.h (struct loop): Likewise.
4268         PR debug/39485
4269         * function.c (use_register_for_decl): When not optimizing, disregard
4270         register keyword for variables with types containing methods.
4272 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4274         PR middle-end/39447
4275         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4276         (is_simple_operand): Call contains_component_ref_p before calling data
4277         reference analysis that would fail on COMPONENT_REFs.
4279         * tree-vrp.c (search_for_addr_array): Fix formatting.
4281 2009-03-18  Richard Guenther  <rguenther@suse.de>
4283         * tree-vect-transform.c (vect_loop_versioning): Fold the
4284         generated comparisons.
4285         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4286         (slpeel_tree_peel_loop_to_edge): Likewise.
4288 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4290         PR middle-end/37805
4291         * opts.c (print_specific_help): In addition to `undocumented',
4292         accept `separate' and `joined' flags if passed alone.  Describe
4293         output by the first matched one of those.
4294         (common_handle_option): Skip over empty strings.
4295         * gcc.c (display_help): Fix help string for `--help='.
4296         * doc/invoke.texi (Option Summary, Overall Options): With
4297         `--help=', classes and qualifiers can both be repeated, but
4298         only the latter can be negated.  One should not pass only
4299         negated qualifiers.  Fix markup and examples.
4301         Revert
4302         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4303         PR middle-end/37805
4304         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4305         and -fhelp=separate.
4307 2009-03-17  Jing Yu  <jingyu@google.com>
4309         PR middle-end/39378
4310         * function.h (struct rtl_data): Move is_thunk from here...
4311         (struct function): ...to here.
4312         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4313         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4314         cfun.
4315         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4316         cfun.
4317         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4318         (alpha_output_function_end_prologue): Likewise.
4319         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4320         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4321         (rs6000_output_function_epilogue): Likewise.
4322         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4324 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4326         PR target/39482
4327         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4328         from different units in a single alternative.
4329         (*truncdfsf_i387): Ditto.
4330         (*truncxfsf2_mixed): Ditto.
4331         (*truncxfdf2_mixed): Ditto.
4333 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4335         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4336         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4338         PR debug/39474
4339         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4340         unused non-artificial variables when not optimizing.
4342         PR debug/39471
4343         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4344         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4345         NAMESPACE_DECL in its DECL_INITIAL.
4347         PR middle-end/39443
4348         * optabs.c (set_user_assembler_libfunc): New function.
4349         * expr.h (set_user_assembler_libfunc): New prototype.
4350         * c-common.c: Include libfuncs.h.
4351         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4352         for memcmp, memset, memcpy, memmove and abort.
4353         * Makefile.in (c-common.o): Depend on libfuncs.h.
4355         PR debug/39412
4356         * dwarf2out.c (gen_inlined_enumeration_type_die,
4357         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4358         gen_tagged_type_instantiation_die): Removed.
4359         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4360         do nothing.
4362 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4364         PR testsuite/38526
4365         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4366         its use.
4367         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4368         (check-parallel-%): Ditto.
4369         (check-consistency): Ditto.
4371 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4373         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4374         local variable rhs by NULL_TREE.
4376 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4378         PR target/39477
4379         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4381 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4383         PR target/39476
4384         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4386 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4388         PR target/39473
4389         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4390         for ms->sysv ABI calls only in 64bit mode.
4392         * config/i386/i386.md (untyped_call): Support 32bit.
4394 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4396         * doc/extend.texi: Replace x86_65 with x86_64.
4398 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4400         PR tree-optimization/39455
4401         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4402         mismatches for POINTER_TYPE_P (type).
4403         (number_of_iterations_le): Likewise.
4405 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4407         * config/picochip/picochip.c: Removed profiling support.
4408         * config/picochip/picochip.md: Removed profiling instruction.
4409         * config/picochip/picochip.h: Removed profiling builtin.
4411 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4413         * doc/install.texi (--with-host-libstdcxx): Document.
4415 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4417         PR target/34299
4418         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4419         generate a warning if the function name does not begin with
4420         "__vector" and the function has either the 'signal' or 'interrupt'
4421         attribute, from here to ...
4422         (avr_declare_function_name): ...here. New function.
4423         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4424         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4426 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4428         PR bootstrap/39454
4429         * cse.c (fold_rtx): Don't modify original const_arg1 when
4430         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4431         separate variable instead.
4432         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4433         from out of range shift counts.
4434         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4436 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4438         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4439         diagnostic.h with $(DIAGNOSTIC_H).
4441 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4443         PR target/39431
4444         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4445         predicate.
4446         * config/i386/sync.md (sync_compare_and_swap<mode>,
4447         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4448         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4449         into a register.
4450         (sync_double_compare_and_swapdi_pic,
4451         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4452         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4454 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4456         PR target/39445
4457         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4459 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4461         PR target/39327
4462         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4463         (avx_addsubv4df3): Likewise.
4464         (*avx_addsubv4sf3): Likewise.
4465         (sse3_addsubv4sf3): Likewise.
4467 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4469         PR target/38824
4470         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4472 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4474         PR debug/39432
4475         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4476         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4477         registers for allocnos created from user-defined variables.
4479 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4481         PR target/39181
4482         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4483         of non-integer mode as well.
4485 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4487         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4488         for functions for which the parameter types are unknown.
4490 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4492         PR target/39137
4493         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4494         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4495         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4496         * config/i386/i386.c (ix86_local_alignment): For
4497         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4498         long long variables on the stack to avoid dynamic realignment.
4499         Allow the first argument to be a decl rather than type.
4500         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4502 2009-03-11  Nick Clifton  <nickc@redhat.com>
4504         PR target/5362
4505         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4506         options.
4507         Add description to mno-lsim option.
4508         * config/mcore/mcore.h: Remove comment about deprecated m4align
4509         option.
4510         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4511         * doc/invoke.texi: Add description of mno-lsim and
4512         mstack-increment options.
4514         * config/fr30/fr30.opt: Document the -mno-lsim option.
4515         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4516         and -mno-lsim options.
4518 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4520         * fold-const.c (fold_comparison): Only call fold_inf_compare
4521         if the mode supports infinities.
4523 2009-03-11  Jason Merrill  <jason@redhat.com>
4525         PR debug/39086
4526         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4527         end already did.  Notice GIMPLE_CALL modifications of the result.
4528         Don't copy debug information from an ignored decl or a decl from
4529         another function.
4531 2009-03-10  Richard Guenther  <rguenther@suse.de>
4532             Nathan Froyd  <froydnj@codesourcery.com>
4534         PR middle-end/37850
4535         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4536         (__divMODE3): Likewise.
4538 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4540         PR tree-optimization/39394
4541         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4542         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4544 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4546         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4547         inline asms for register asm ("") declarations.
4549 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4551         * fold-const.c (fold_unary): Fix comment.
4553 2009-03-07  Jan Hubicka  <jh@suse.cz>
4555         PR target/39361
4556         * tree-inline.c (setup_one_parameter): Do replacement of const
4557         argument by constant in SSA form.
4559 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4561         PR middle-end/38028
4562         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4563         determine alignment passed to assign_stack_local.
4564         (assign_parms_unsplit_complex): Likewise.
4565         * except.c (sjlj_build_landing_pads): Likewise.
4567 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4569         PR middle-end/39360
4570         * tree-flow.h (add_referenced_var): Return bool instead of void.
4571         * tree-dfa.c (add_referenced_var): Return result of
4572         referenced_var_check_and_insert call.
4573         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4574         of referenced_var_check_and_insert.
4576         PR debug/39372
4577         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4578         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4579         DIE, don't emit it if abstract origin already has it.
4580         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4581         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4583 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4585         * genpreds.c (needs_variable): Fix parentheses at variable name
4586         detection.
4587         (write_tm_constrs_h): Indent generated code.
4589 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4591         * doc/extend.texi (Function Attributes): Add documentation
4592         for isr attributes.
4594 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4596         PR debug/39387
4597         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4598         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4600 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4602         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4603         the loop as bad.
4605 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4607         PR debug/39379
4608         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4609         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4611 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4613         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4614         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4615         constants instead of magic numbers.
4616         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4617         (QI_REG_P): Ditto.
4618         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4619         (x86_64_ms_abi_int_parameter_registers): Ditto.
4620         (x86_64_int_return_registers): Ditto.
4621         (ix86_maybe_switch_abi): Ditto.
4622         (ix86_expand_call): Ditto for clobbered_registers array.
4623         (ix86_hard_regno_mode_ok): Ditto.
4624         (x86_extended_QIreg_mentioned_p): Ditto.
4626 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4628         PR tree-optimization/39349
4629         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4631         * combine.c (gen_lowpart_for_combine): Use omode when generating
4632         clobber.
4634 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4636         PR rtl-optimization/39235
4637         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4639 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4641         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4643 2009-03-04  Richard Guenther  <rguenther@suse.de>
4645         PR tree-optimization/39362
4646         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4647         that occur in abnormal PHIs should be varying.
4649 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4651         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4652         Extend comments.
4653         (simple_iv):  Take loop as an argument instead of statement.
4654         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4655         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4656         to simple_iv.
4657         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4658         Ditto.
4659         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4660         * matrix-reorg.c (analyze_transpose): Ditto.
4661         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4662         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4663         * tree-predcom.c (ref_at_iteration): Ditto.
4664         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4666 2009-03-04  Richard Guenther  <rguenther@suse.de>
4668         PR tree-optimization/39358
4669         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4670         escaped_id and callused_id.
4671         (solve_graph): Likewise.
4673 2009-03-04  Richard Guenther  <rguenther@suse.de>
4675         PR tree-optimization/39339
4676         * tree-sra.c (try_instantiate_multiple_fields): Make it
4677         no longer ICE on the above.
4679 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4681         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4682         that fits within Pmode.
4684 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4686         PR middle-end/10109
4687         * tm.texi (LIBCALL_VALUE): Update description.
4689 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4691         PR middle-end/34443
4692         * doc/extend.texi (section): Update description.
4694 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4696         PR middle-end/39345
4697         * tree-inline.c (remapped_type): New.
4698         (can_be_nonlocal): Call remapped_type instead of remap_type.
4700 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4702         PR fortran/39354
4703         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4704         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4706 2009-03-03  Richard Guenther  <rguenther@suse.de>
4708         PR middle-end/39272
4709         * tree.c (tree_nonartificial_location): New function.
4710         * tree.h (tree_nonartificial_location): Declare.
4711         * builtins.c (expand_builtin_memory_chk): Provide location
4712         of the call location for artificial function pieces.
4713         (maybe_emit_chk_warning): Likewise.
4714         (maybe_emit_sprintf_chk_warning): Likewise.
4715         (maybe_emit_free_warning): Likewise.
4716         * expr.c (expand_expr_real_1): Likewise.
4718 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4720         PR tree-optimization/39343
4721         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4722         COMPONENT_REF t has ARRAY_TYPE.
4724 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4726         PR middle-end/39335
4727         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4728         when the type precision of the induction variable should be
4729         larger than the type precision of nit.
4730         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4731         * graphite.c (graphite_loop_normal_form): Same.
4732         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4734 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4736         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4737         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4738         numbers to describe clobbered registers.
4739         (*call_value_0_rex64_ms_sysv): Ditto.
4740         * config/i386/mmx.md (mmx_emms): Ditto.
4741         (mmx_femms): Ditto.
4743 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4745         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4746         of ABI_64.
4748 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4750         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4751         (spu_section_type_flags): New function.
4753 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4755         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4756         reg_class_contents of FLOAT_REGS into a temporary.
4758 2009-03-02  Richard Guenther  <rguenther@suse.de>
4759             Ira Rosen  <irar@il.ibm.com>
4761         PR tree-optimization/39318
4762         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4763         information to the vectorized statement.
4765 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4767         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4768         variable.  Use defined names instead of magic constants for REX SSE
4769         registers.
4771 2009-03-01  Richard Guenther  <rguenther@suse.de>
4773         PR tree-optimization/39331
4774         * omp-low.c (lower_send_shared_vars): Do not receive new
4775         values for the reference of DECL_BY_REFERENCE parms or results.
4777 2009-03-01  Jan Hubicka  <jh@suse.cz>
4779         PR debug/39267
4780         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4781         BLOCK_NONLOCALIZED_VAR): New macros.
4782         (tree_block): Add nonlocalized_vars.
4783         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4784         gen_decl_die): Add origin argument.  Allow generation of die with
4785         origin at hand only.
4786         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4787         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4788         of gen_*.
4789         (gen_block_die): Fix checking for unused blocks.
4790         (process_scope_var): Break out from .... ; work with origins only.
4791         (decls_for_scope) ... here; process nonlocalized list.
4792         (dwarf2out_ignore_block): Look for nonlocalized vars.
4793         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4794         vars.
4795         (dump_scope_block): Dump them.
4796         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4797         (remap_block): Likewise.
4798         (can_be_nonlocal): New predicate.
4799         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4801 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4803         * configure: Regenerate.
4805 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4807         * optc-gen.awk: No need to duplicate option flags twice.
4808         Reuse help texts for duplicate options which do not have any.
4810         * gcc.c (display_help): Document --version.
4812         * gcc.c (main): If print_help_list and verbose_flag, ensure
4813         driver output comes before subprocess output.
4815         * optc-gen.awk: Assign all remaining fields to help string,
4816         space-separated, for multi-line help in *.opt.
4818         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4819         -Wno-pedantic-ms-format is for MinGW targets only.
4821         * doc/options.texi (Option file format): Fix bad indentation,
4822         restoring dropped sentence.
4824 2009-02-28  Jan Hubicka  <jh@suse.cz>
4826         * tree-inline.c (tree_function_versioning): Output debug info.
4828 2009-02-28  Jan Hubicka  <jh@suse.cz>
4830         PR debug/39267
4831         * tree-inline.c (setup_one_parameter): Do not copy propagate
4832         arguments when not optimizing.
4834 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4836         PR target/39327
4837         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4838         (avx_addsubv4df3): Likewise.
4839         (*avx_addsubv4sf3): Likewise.
4840         (sse3_addsubv4sf3): Likewise.
4841         (*avx_addsubv2df3): Likewise.
4842         (sse3_addsubv2df3): Likewise.
4843         (avx_unpckhps256): Correct item selectors.
4844         (avx_unpcklps256): Likewise.
4845         (avx_unpckhpd256): Likewise.
4846         (avx_unpcklpd256): Likewise.
4848 2009-02-28  Jan Hubicka  <jh@suse.cz>
4850         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4851         static vars.
4852         (copy_arguments_for_versioning): If var is declared don't declare it.
4853         (tree_function_versioning): First setup substitutions and then copy
4854         args.
4856 2009-02-27  Jan Hubicka  <jh@suse.cz>
4858         PR debug/39267
4859         * cgraph.h (varpool_output_debug_info): Remove.
4860         * cgraphunit.c (varpool_output_debug_info): Remove.
4861         * dwarf2out.c (deferred_locations_struct): New struct
4862         (deferred_locations): New type.
4863         (deferred_locations_list): New static var.
4864         (deffer_location): New function.
4865         (gen_variable_die): Use it.
4866         (decls_for_scope): Output info on local static vars.
4867         (dwarf2out_finish): Process deferred locations.
4868         * varpool.c (varpool_output_debug_info): Remove.
4870 2009-02-27  Jan Hubicka  <jh@suse.cz>
4872         PR debug/39267
4873         * tree.h (TREE_PROTECTED): Fix comment.
4874         (BLOCK_HANDLER_BLOCK): Remove.
4875         (struct tree_block): Remove handler_block add body_block.
4876         (inlined_function_outer_scope_p): New.
4877         (is_body_block): Remove.
4878         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4879         * dwarf2out.c (is_inlined_entry_point): Remove.
4880         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4881         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4882         code.
4883         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4884         * gimplify.c (gimplify_expr): Gimplify body blocks.
4885         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4886         block with multiple subblocks.
4887         (dump_scope_block): Prettier output; dump more flags and info.
4888         (dump_scope_blocks): New.
4889         (remove_unused_locals): Use dump_scope_blocks.
4890         * tree-flow.h (dump_scope_blocks): Declare.
4891         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4892         * stmt.c (is_body_block): Remove.
4893         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4894         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4896 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4898         PR middle-end/39308
4899         * graphite.c (graphite_loop_normal_form): Do not call 
4900         number_of_iterations_exit from a gcc_assert.
4902 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4904         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4905         jumps if COND is NULL.
4906         (find_cond_jump): New function.
4907         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4908         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4910 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4912         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4913         force_const_mem returns NULL_RTX.
4915 2009-02-26  Jan Hubicka  <jh@suse.cz>
4917         PR debug/39267
4918         * cgraph.h (varpool_output_debug_info): Remove.
4919         * cgraphunit.c (varpool_output_debug_info): Remove.
4920         * dwarf2out.c (deferred_locations_struct): New struct
4921         (deferred_locations): New type.
4922         (deferred_locations_list): New static var.
4923         (deffer_location): New function.
4924         (gen_variable_die): Use it.
4925         (decls_for_scope): Output info on local static vars.
4926         (dwarf2out_finish): Process deferred locations.
4927         * varpool.c (varpool_output_debug_info): Remove.
4929 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4931         PR rtl-optimization/39241
4932         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4933         to subreg_offset_representable_p.
4935 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4937         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4938         execute function prototype.  Get f and nregs from max_reg_num
4939         and get_insns.  Remove the first backward pass as it's dead,
4940         guard the forward pass by flag_expensive_optimizations.
4941         (rest_of_handle_regmove): Delete.
4942         (pass_regmove): Replace it with regmove_optimize.
4944 2009-02-25  Martin Jambor  <mjambor@suse.cz>
4946         PR tree-optimization/39259
4947         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4948         calls_alloca function flags.
4949         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4950         calls are detected.
4952 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4954         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4955         flags_set_1_rtx, flags_set_1_set): Delete.
4956         (regmove_optimize): Do not call mark_flags_life_zones.
4958 2009-02-24  Julian Brown  <julian@codesourcery.com>
4960         PR target/35965
4961         * config/arm/arm.c (require_pic_register): Only set
4962         cfun->machine->pic_reg once per function.
4964 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
4966         * doc/invoke.texi (Link Options): Document an easier way to pass
4967         options that take arguments to the GNU linker using -Xlinker and -Wl.
4969 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
4971         PR target/33785
4972         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4974 2009-02-24  Richard Guenther  <rguenther@suse.de>
4976         PR debug/39285
4977         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4979 2009-02-24  Richard Guenther  <rguenther@suse.de>
4980             Zdenek Dvorak  <ook@ucw.cz>
4982         PR tree-optimization/39233
4983         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4984         from converting them to a generic type.
4986 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4988         PR tree-optimization/39260
4989         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4990         contains a condition with a real type.
4991         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4993 2009-02-23  Jason Merrill  <jason@redhat.com>
4995         PR c++/38880
4996         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4997         narrowing_initializer_constant_valid_p.
4998         (narrowing_initializer_constant_valid_p): Don't return 
4999         null_pointer_node for adding a pointer to itself.
5001 2009-02-23  Jan Hubicka  <jh@suse.cz>
5003         PR c/12245
5004         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5005         resizing.
5007 2009-02-23  Jan Hubicka  <jh@suse.cz>
5009         PR tree-optimization/37709
5010         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5011         * tree.h (block_ultimate_origin): Declare.
5012         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5013         * tree-ssa-live.c (remove_unused_scope_block_p):
5014         Eliminate blocks containig no instructions nor live variables nor
5015         nested blocks.
5016         (dump_scope_block): New function.
5017         (remove_unused_locals): Enable removal of dead blocks by default;
5018         enable dumping at TDF_DETAILS.
5020 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5022         * config/i386/i386.c (classify_argument): Don't allow COImode
5023         and OImode.
5024         (function_arg_advance_32): Don't allow OImode.
5025         (function_arg_32): Likewise.
5026         (function_value_32): Likewise.
5027         (return_in_memory_32): Likewise.
5028         (function_arg_64): Remove OImode comment.
5030 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5032         PR target/39261
5033         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5034         ix86_expand_vector_set for V4DImode in 64bit mode only.
5035         (ix86_expand_vector_init_one_var): Likewise.
5037 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5039         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5041 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5043         PR bootstrap/39257
5044         * loop-iv.c: Revert last change.
5045         * emit-rtl.c: Likewise.
5047 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5049         PR target/39256
5050         * config/i386/i386.c (type_natural_mode): Remove an extra
5051         space in the warning message.
5052         (function_value_32): Handle 32-byte vector modes.
5053         (return_in_memory_32): Likewise.
5055 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5057         * loop-iv.c (truncate_value): New function.
5058         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5059         of lowpart_subreg.
5060         (lowpart_subreg): Move to...
5061         * emit-rtl.c: ...here.
5063 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5065         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5066         accidental and undocumented change at revision 140860.
5068 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5070         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5071         take gimple_seq * arguments.
5072         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5073         types_compatible_p langhook.
5075 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5076             Joseph Myers  <joseph@codesourcery.com>
5078         * config/arm/arm.c (arm_builtin_va_list): New function.
5079         (arm_expand_builtin_va_start): Likewise.
5080         (arm_gimplify_va_arg_expr): Likewise.
5081         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5082         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5083         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5084         (va_list_type): New variable.
5085         (arm_mangle_type): Mangle va_list_type appropriately.
5087 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5089         PR middle-end/39157
5090         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5091         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5092         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5093         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5094         parameter to 1000 for -O1 by default.
5095         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5096         parameter.
5097         * loop-invariant.c: Include params.h.
5098         (move_loop_invariants): Don't call move_single_loop_invariants on
5099         very large loops.
5101 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5103         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5104         offset when calculating bounds for indexing stack_usage_map.  Fixes
5105         a buffer overflow with certain target setups.
5107 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5109         PR target/39240
5110         * calls.c (expand_call): Clear try_tail_call if caller and callee
5111         disagree in promotion of function return value.
5113 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5115         PR target/39175
5116         * c-common.c (c_determine_visibility): If visibility changed and
5117         DECL_RTL has been already set, call make_decl_rtl to update symbol
5118         flags.
5120 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5122         PR c++/39188
5123         * varasm.c (assemble_variable): Don't check DECL_NAME when
5124         globalizing a variable.
5126 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5128         PR c/38483
5129         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5130         expression before any __builtin_trap call.
5131         * c-typeck.c (build_function_call): Convert and check function
5132         arguments before generating a call to a trap.  Evaluate the
5133         function arguments before the trap.
5135 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5137         PR target/39228
5138         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5139         (UNSPEC_FXAM_MEM): New unspec.
5140         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5141         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5142         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5144 2009-02-19  Richard Guenther  <rguenther@suse.de>
5146         PR tree-optimization/39207
5147         PR tree-optimization/39074
5148         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5149         storedanything_tree): New.
5150         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5151         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5152         (build_succ_graph): Add edges from STOREDANYTHING to all
5153         non-direct nodes.
5154         (init_base_vars): Initialize STOREDANYTHING.
5155         (compute_points_to_sets): Free substitution info after
5156         building the succ graph.
5157         (ipa_pta_execute): Likewise.
5159         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5160         field.
5161         (do_ds_constraint): Do not add to special var or non-pointer
5162         field solutions.
5163         (type_could_have_pointers): Split out from ...
5164         (could_have_pointers): ... here.  For arrays use the element type.
5165         (create_variable_info_for): Initialize may_have_pointers.
5166         (new_var_info): Likewise.
5167         (handle_lhs_call): Make the HEAP variable unknown-sized.
5168         (intra_create_variable_infos): Use a type with pointers for
5169         PARM_NOALIAS, make it unknown-sized.
5171 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5173         PR target/39224
5174         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5176 2009-02-18  Jason Merrill  <jason@redhat.com>
5178         PR target/39179
5179         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5180         value if DECL_EXTERNAL.
5181         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5182         * target.h (gcc_target::binds_local_p): Clarify "module".
5183         * tree.h (TREE_PUBLIC): Clarify "module".
5185 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5187         PR target/38891
5188         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5189         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5191 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5193         PR target/39082
5194         * c.opt (Wabi): Support C and ObjC.
5195         (Wpsabi): New.
5197         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5199         * config/i386/i386.c (classify_argument): Warn once about the ABI
5200         change when passing union with long double.
5202         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5204 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5206         PR c/35447
5207         * c-parser.c (c_parser_compound_statement): Always enter and leave
5208         a scope.
5210 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5212         PR target/34587
5213         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5215 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5217         PR tree-optimization/36922
5218         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5219         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5220         Likewise.
5222 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5224         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5225         to 0 for EABI64.
5227 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5229         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5231 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5233         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5234         tree sharing.
5236 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5237             Richard Sandiford  <rdsandiford@googlemail.com>
5239         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5240         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5241         (loongson_biadd): ...this.
5243 2009-02-17  Richard Guenther  <rguenther@suse.de>
5245         PR tree-optimization/39202
5246         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5247         a var make sure to follow existing collapses.
5249 2009-02-17  Richard Guenther  <rguenther@suse.de>
5251         PR middle-end/39214
5252         * langhooks.c (lhd_print_error_function): Check for NULL block.
5254 2009-02-17  Richard Guenther  <rguenther@suse.de>
5256         PR tree-optimization/39204
5257         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5258         of the PHI arg.
5260 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5262         * config/soft-fp/double.h: Update from glibc CVS.
5264 2009-02-17  Richard Guenther  <rguenther@suse.de>
5266         PR tree-optimization/39207
5267         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5268         strict-aliasing warnings for pointers pointing to NULL.
5270 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5272         PR c/35446
5273         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5274         skipping until next close brace.
5276 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5278         PR target/37049
5279         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5280         to function argument boundary.
5282 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5284         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5285         in the lea_add. Reload eventually constraints it properly.
5286         * config/picochip/constraints.md : Remove the target constraint
5287         "b", since it is not needed anymore.
5289 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5291         * gthr-dce.h: Uglify function parameter and local variable names.
5292         * gthr-gnat.h: Likewise.
5293         * gthr-mipssde.h: Likewise.
5294         * gthr-nks.h: Likewise.
5295         * gthr-posix95.h: Likewise.
5296         * gthr-posix.h: Likewise.
5297         * gthr-rtems.h: Likewise.
5298         * gthr-single.h: Likewise.
5299         * gthr-solaris.h: Likewise.
5300         * gthr-tpf.h: Likewise.
5301         * gthr-vxworks.h: Likewise.
5302         * gthr-win32.h: Likewise.
5304 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5306         PR target/39196
5307         * config/i386/i386.md: Restrict the new peephole2 to move
5308         between MMX/SSE registers.
5310 2009-02-15  Richard Guenther  <rguenther@suse.de>
5312         Revert
5313         2009-02-13  Richard Guenther  <rguenther@suse.de>
5315         * configure.ac: Enable LFS.
5316         * configure: Re-generate.
5317         * config.in: Likewise.
5319 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5321         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5322         spu_srqwbyte, spu_srqwbytebc): Define.
5323         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5324         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5325         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5326         "shrqby_<mode>"): New insn-and-split patterns.
5327         * config/spu/spu.c (expand_builtin_args): Determine and return
5328         number of operands using spu_builtin_description data.
5329         (spu_expand_builtin_1): Use it.
5331 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5333         PR target/38056
5334         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5335         TARGET_CONST_GP.
5337 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5339         PR target/39149
5340         * config/i386/i386.c (override_options): Correct warning
5341         messages for -malign-loops, -malign-jumps and -malign-functions.
5343 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5345         PR target/39152
5346         * config/i386/i386.md: Restrict the new peephole2 to move
5347         between the general purpose registers.
5349 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5351         PR target/39162
5352         * config/i386/i386.c (type_natural_mode): Add a new argument.
5353         Return the original mode and warn ABI change if vector size is 32byte.
5354         (function_arg_advance): Updated.
5355         (function_arg): Likewise.
5356         (ix86_function_value): Likewise.
5357         (ix86_return_in_memory): Likewise.
5358         (ix86_sol10_return_in_memory): Likewise.
5359         (ix86_gimplify_va_arg): Likewise.
5360         (function_arg_32): Don't warn ABX ABI change here.
5361         (function_arg_64): Likewise.
5363 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5365         * loop-iv.c (implies_p): In the final case, test that operands 0
5366         of the two comparisons match.
5368         * config/bfin/bfin.c (find_prev_insn_start): New function.
5369         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5370         (find_next_insn_start): Move.
5372 2009-02-13  Richard Guenther  <rguenther@suse.de>
5374         * configure.ac: Enable LFS.
5375         * configure: Re-generate.
5376         * config.in: Likewise.
5378 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5380         PR c/35444
5381         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5382         sizes on syntax error after some arguments have been parsed.
5384 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5386         * doc/invoke.texi (-fira): Remove.
5388 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5390         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5391         * recog.c: Likewise.
5392         * rtl.h: Likewise.
5394 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5396         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5397         (umul_ppmm): Likewise.
5398         (count_leading_zeros): Likewise.
5399         (count_trailing_zeros): Likewise.
5400         (UMUL_TIME): Likewise.
5402 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5404         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5405         soft-fp/t-softfp to tmake_file.
5407         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5408         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5409         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5410         IA64_BUILTIN_INFQ]: New.
5411         (ia64_init_builtins): Initialize __builtin_infq,
5412         __builtin_fabsq and __builtin_copysignq if not HPUX.
5413         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5414         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5416         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5417         SHARED is defined.
5418         (__fixtfti): Likewise.
5419         (__fixunstfti): Likewise.
5420         (__floattitf): Likewise.
5422         * config/ia64/libgcc-glibc.ver: New.
5423         * config/ia64/t-fprules-softfp: Likewise.
5424         * config/ia64/sfp-machine.h: Likewise.
5426         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5427         (LIBGCC2_TF_CEXT): Likewise.
5428         (TF_SIZE): Likewise.
5429         (TARGET_INIT_LIBFUNCS): Likewise.
5431         * config/ia64/t-glibc (SHLINB_MAPFILES):
5432         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5434 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5436         * config/i386/i386.c (construct_container): Rewrite processing
5437         BLKmode with X86_64_SSE_CLASS.
5439 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5441         PR target/39152
5442         * config/i386/i386.md: Replace simplify_replace_rtx with
5443         replace_rtx in the new peephole2.
5445 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5447         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5448         loop unrolling do not happen at -O2.
5450 2009-02-12  Michael Matz  <matz@suse.de>
5452         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5454 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5456         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5457         for -g3.
5459 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5461         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5462         patterns when updating the back chain.  Missed in the 2009-02-10
5463         change.
5465 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5467         * doc/extend.texi (Decimal Floating Types): Update identifier of
5468         draft TR and list of missing support.
5470 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5472         PR middle-end/39154
5473         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5474         bit to variable length decl's flags, add it also to its
5475         pointer replacement variable.
5477 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5478             Jakub Jelinek  <jakub@redhat.com>
5480         PR target/39118
5481         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5482         (memory_blockage): New expander.
5483         (*memory_blockage): New insn pattern.
5484         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5485         instead of general blockage at the end of function prologue when
5486         frame pointer is used to access red zone area.  Do not emit blockage
5487         when profiling, it is emitted in generic code.
5488         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5489         function epilogue when frame pointer is used to access red zone area.
5491 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5493         PR target/38824
5494         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5495         by arithmetic with memory operands.
5496         * config/i386/predicates.md (commutative_operator): New.
5498 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5500         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5501         bulleted lists.
5503 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5505         * alias.h (record_alias_subset): Declare.
5506         * alias.c (record_alias_subset): Make global.
5508 2009-02-10  Nick Clifton  <nickc@redhat.com>
5510         * tree-parloops.c: Change license to GPLv3.
5511         * ipa-struct-reorg.c: Change license to GPLv3.
5512         * ipa-struct-reorg.h: Change license to GPLv3.
5514 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5516         PR c/39084
5517         * c-decl.c (start_struct): Return NULL on error.
5519 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5521         PR middle-end/39124
5522         * cfgloopmanip.c (remove_path): Call remove_bbs after
5523         cancel_loop_tree, not before it.
5525         PR target/39139
5526         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5527         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5528         VAR_DECLs were seen.
5529         * tree-ssa-live.c (remove_unused_locals): Recompute
5530         cfun->has_local_explicit_reg_vars.
5531         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5532         copies or clearings if cfun->has_local_explicit_reg_vars.
5534 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5536         PR target/39118
5537         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5538         of function prologue when frame pointer is used to access
5539         red zone area.
5541 2009-02-10  Richard Guenther  <rguenther@suse.de>
5543         PR middle-end/39127
5544         * gimplify.c (gimple_regimplify_operands): Always look if
5545         we need to create a temporary.
5547 2009-02-10  Richard Guenther  <rguenther@suse.de>
5549         PR tree-optimization/39132
5550         * tree-loop-distribution.c (todo): New global var.
5551         (generate_memset_zero): Trigger TODO_rebuild_alias.
5552         (tree_loop_distribution): Return todo.
5554 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5556         PR target/39119
5557         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5558         (x86_64_reg_class_name): Removed.
5559         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5560         first one isn't X86_64_SSE_CLASS or any other ones aren't
5561         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5562         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5563         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5564         and 3 X86_64_SSEUP_CLASS.
5565         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5566         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5568 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5570         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5571         form instruction to update the stack back chain word, even if the
5572         user has disabled the generation of update instructions.
5573         (movdi_<mode>_update_stack): New.
5574         (movsi_update_stack): Likewise.
5575         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5576         always use an update form instruction to update the stack back
5577         chain word.
5579 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5581         PR middle-end/38953
5582         * graphite.c (if_region_set_false_region): After moving a region in
5583         the false branch of a condition, remove the empty dummy basic block.
5584         (gloog): Remove wrong fix for PR38953.
5586 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5588         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5589         generation due to implicit sign extension.
5591 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5593         PR middle-end/38981
5594         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5595         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5597 2009-02-09  Richard Guenther  <rguenther@suse.de>
5599         PR middle-end/35202
5600         * convert.c (convert_to_real): Disable (float)fn((double)x)
5601         to fnf(x) conversion if errno differences may occur and
5602         -fmath-errno is set.
5604 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5606         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5607         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5608         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5610 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5612         PR c/35434
5613         * c-common.c (handle_alias_attribute): Disallow attribute for
5614         anything not a FUNCTION_DECL or VAR_DECL.
5616 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5618         PR c/39035
5619         * real.c (do_compare): Special-case compare of zero against
5620         decimal float value.
5622 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5624         PR c/36432
5625         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5626         as indicating flexible array members unless the field itself is
5627         being declarared as the incomplete array.
5629 2009-02-06  Jan Hubicka  <jh@suse.cz>
5631         PR tree-optimization/38844
5632         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5633         is already inlined.
5635 2009-02-06  Richard Guenther  <rguenther@suse.de>
5637         PR middle-end/38977
5638         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5639         fork because we may expand it as __gcov_fork.
5641 2009-02-06  Nick Clifton  <nickc@redhat.com>
5643         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5645 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5647         PR tree-optimization/35659
5648         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5649         vn_phi_eq): Shortcut if hashcode does not match.
5650         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5651         NULL operands.
5652         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5653         and avoid iterative_hash_expr.
5654         (FOR_EACH_VALUE_ID_IN_SET): New.
5655         (value_id_compare): Remove.
5656         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5657         sort expressions by value id.
5659 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5661         PR target/38991
5662         * config/sh/predicates.md (general_movsrc_operand): Don't check
5663         the subreg of system registers here.
5665 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5667         PR c++/39106
5668         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5669         on the copied decl.
5671 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5673         PR rtl-optimization/39110
5674         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5675         addresses, not aligned ones.
5677 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5678             Richard Guenther  <rguenther@suse.de>
5680         PR tree-optimization/39100
5681         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5682         comment says and add edges.
5684 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5686         PR c/35435
5687         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5688         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5690 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5692         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5693         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5694         register_bb_in_sese, new_sese, free_sese): Moved.
5695         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5696         outermost_loop_in_scop, build_scop_iteration_domain,
5697         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5698         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5699         Use loop_in_sese_p instead of loop_in_scop_p.
5700         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5701         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5702         (scopdet_basic_block_info): Fix bug in scop detection.
5703         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5704         eq_loop_to_cloog_loop): Remove.
5705         (nb_loops_around_loop_in_scop, nb_loop
5706         ref_nb_loops): Moved here...
5707         * graphite.h (ref_nb_loops): ... from here.
5708         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5709         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5710         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5711         * testsuite/gcc.dg/graphite/scop-19.c: New
5713 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5714             Hans-Peter Nilsson  <hp@axis.com>
5716         PR rtl-optimization/37889
5717         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5718         Move offset handling from PLUS to before the switch.  Use new
5719         arguments when considering SYMBOL_REFs too.
5720         (rtx_addr_can_trap_p): Pass dummy offset and size.
5721         (enum may_trap_p_flags): Remove.
5722         (may_trap_p_1): Pass size from MEM_SIZE.
5724         PR rtl-optimization/38921
5725         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5726         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5727         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5728         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5730 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5732         AVX Programming Reference (January, 2009)
5733         * config/i386/sse.md (*vpclmulqdq): New.
5735 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5737         PR tree-optimization/38977
5738         PR gcov-profile/38292
5739         * calls.c (special_function_p): Disregard __builtin_ prefix.
5741 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5743         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5744         non-indexable addresses even before reload.
5746 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5748         PR c/29129
5749         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5750         as having variable size.  Do not give an error for unnamed
5751         parameters with [*] declarators.  Give a warning for type names
5752         with [*] declarators and mark them as variable size.
5753         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5754         for sizeof applied to [*] type names.
5756 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5758         PR C++/36607
5759         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5761 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5763         * gcc.c (process_command): Update copyright notice dates.
5764         * gcov.c (print_version): Likewise.
5765         * gcov-dump.c (print_version): Likewise.
5766         * mips-tfile.c (main): Likewise.
5767         * mips-tdump.c (main): Likewise.
5769 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5771         PR c/35433
5772         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5773         for composite type involving a zero-length array type.
5775 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5777         PR target/35318
5778         * function.c (match_asm_constraints_1): Skip over
5779         initial optional % in the constraint.
5781         PR inline-asm/39059
5782         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5783         supported, don't accept FIXED_CSTs.
5784         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5785         and _Sat is used without _Fract/_Accum.  Set specs->type to
5786         integer_type_node for cts_fract/cts_accum if fixed point is not
5787         supported.
5789 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5791         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5793 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5795         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5796         (ABI_HAS_64BIT_SYMBOLS): Use it.
5797         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5799 2009-02-02  Paul Brook  <paul@codesourcery.com>
5801         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5803 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5805         PR inline-asm/39058
5806         * recog.h (asm_operand_ok): Add constraints argument.
5807         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5808         recurse on matching constraint.
5809         (check_asm_operands): Pass constraints as 3rd argument to
5810         asm_operand_ok.  Don't look up matching constraint here.
5811         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5812         to asm_operand_ok.
5814 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5816         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5817         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5819 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5821         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5822         information.  Remove some obsolete information.  Reorganize.
5824         * config/pa/fptr.c: Revert license to GPL 2.
5825         * config/pa/milli64.S: Likewise.
5827 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5829         PR target/38904
5830         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5831         LIBRARY name in, instead of hard-coding it.
5832         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5833         extra target make frag to tmake_files according to EH model.
5834         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5835         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5836         frags that define makefile variable EH_MODEL appropriately.
5837         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5838         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5839         to "-sjlj" according to type of EH configured.
5840         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5841         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5842         to "_sjlj" according to type of EH configured.
5843         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5844         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5845         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5846         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5847         string value of "pe_dll" command-line option.
5848         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5849         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5850         (SHLIB_IMPLIB):  Override t-cygming default.
5851         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5852         string value of "pe_dll" command-line option.
5854 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5856         PR target/38952
5857         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5858         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5860 2009-01-31  Richard Guenther  <rguenther@suse.de>
5862         PR tree-optimization/38937
5863         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5864         computing the transitive closure.
5866 2009-01-30  Richard Guenther  <rguenther@suse.de>
5868         PR tree-optimization/39041
5869         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5870         Propagate variable indices only if the types match for this stmt.
5872 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5874         PR target/39013
5875         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5876         inline but never defined.
5878 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5880         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5881         (*insv_h_di_reg_extimm): New insn.
5882         (*insv_l<mode>_reg_extimm): New insn.
5884 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5886         * config/picochip/picochip.c (flag_conserve_stack): set
5887         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5888         fconserve-stack. Reduce call-overhead used by inliner.
5890 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5892         PR/38157
5893         * common.opt (flag_conserve_stack): Initialised to zero.
5895 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5897         PR/39002
5898         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5899         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5900         method.
5902 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5904         * ira-color.c (allocno_reload_assign): Update comments.
5905         * regmove.c (regmove_optimize): Likewise.
5907         * ra.h: Removed.
5909 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5911         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5912         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5913         `MD_UNWIND_SUPPORT'.
5914         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5916 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5918         PR tree-optimization/39007
5919         * tree-loop-distribution.c (generate_builtin): Use
5920         recompute_dominator to compute the immediate dominator of the
5921         basic block just after the loop.
5923 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5925         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5926         (ASM_OUTPUT_DWARF_PCREL): Define.
5928 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5930         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5931         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5932         global.  Modify entries about regmove and IRA.
5934         * ra-conflict.c: Remove the file.
5936         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5938         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5939         (pass_regclass_init): Rename to pass_reginfo_init.
5941         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5943         * toplev.h (flag_ira): Remove.
5945         * caller-save.c (setup_save_areas): Remove flag_ira.
5947         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5949         * global.c: Remove the file.
5951         * opts.c (decode_options): Remove flag_ira.
5953         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5955         * regmove.c: Modify file description.
5956         (find_use_as_address, try_auto_increment): Define them only if
5957         AUTO_INC_DEC is defined.
5958         (replacement_quality, replace_in_call_usage, fixup_match_1,
5959         stable_and_no_regs_but_for_p): Remove.
5960         (reg_set_in_bb): Make it static.
5961         (regmove_optimize): Remove flag_ira and code which worked for
5962         !flag_ira.
5964         * local-alloc.c: Remove the file.
5966         * common.opt (fira): Remove.
5968         * ira.c: Include except.h.
5969         (eliminable_regset): Move from global.c.
5970         (mark_elimination): Ditto.  Remove flag_ira.
5971         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5972         equiv_mem_modified, validate_equiv_mem_from_store,
5973         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5974         contains_replace_regs, memref_referenced_p, memref_used_between_p,
5975         no_equiv, recorded_label_ref): Move from local-alloc.c.
5976         (update_equiv_regs): Ditto.  Make it static.
5977         (print_insn_chain, print_insn_chains): Move it from global.c.
5978         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
5979         (build_insn_chain): Ditto.  Make it static.
5980         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
5981         Rename to init_live_subregs.
5982         (gate_ira): Remove flag_ira.
5984         * regclass.c: Rename reginfo.c.  Change file description.
5985         (FORBIDDEN_INC_DEC_CLASSES): Remove.
5986         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5987         (init_reg_sets_1): Remove code for evaluation of
5988         reg_class_superclasses and losing_caller_save_reg_set.
5989         (init_regs): Remove init_reg_autoinc.
5990         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5991         ok_for_base_p_nonstrict): Remove.
5992         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
5993         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
5994         corresponding entries.
5995         (dump_regclass, record_operand_costs, scan_one_insn,
5996         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5997         record_address_regs, auto_inc_dec_reg_p): Remove.
5998         (gt-regclass.h): Rename to gt-reginfo.h.
6000         * rtl.h (dump_global_regs, retry_global_alloc,
6001         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6003         * Makefile.in (RA_H): Remove.
6004         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6005         Rename regclass.o to reginfo.o.
6006         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6007         gt-reginfo.h.
6008         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6009         (GTFILES): Rename regclass.c to reginfo.c.
6011         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6012         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6014         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6015         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6016         Remove flag_ira.
6017         (finish_spills): Ditto.  Remove code for !flag_ira.
6018         
6019 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6021         PR middle-end/35854
6022         * doc/invoke.texi (rtl debug options): Complete rewrite.
6023         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6024         to auto_inc_dec".
6025         * mode-switching.c (pass_mode_switching): Rename pass from
6026         "mode-sw" to "mode_sw".
6027         * except.c (pass_convert_to_eh_ranges): Rename pass from
6028         "eh-ranges" to "eh_ranges".
6029         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6030         to "subreg1".
6031                 
6032         
6033 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6034             Alexander Monakov  <amonakov@ispras.ru>
6036         PR middle-end/38857
6037         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6038         register.
6039         (move_exprs_to_boundary): Change return type and pass through
6040         should_move from move_op.  Relax assert.  Update usage ...
6041         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6042         cant_move.
6043         (move_op_orig_expr_found): Indicate that insn was disconnected from
6044         stream.
6045         (code_motion_process_successors): Do not call after_merge_succs
6046         callback if original expression was not found when traversing any of
6047         the branches.
6048         (code_motion_path_driver): Change return type.  Update prototype.
6049         (move_op): Update comment.  Add a new parameter (should_move).  Update
6050         prototype.  Set *should_move based on indication provided by
6051         move_op_orig_expr_found.
6053 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6055         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6056         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6057         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6058         * config/rs6000/rs6000.c (rs6000_override_options): Default
6059         avoid-indexed-addresses on for Power6, off for everything else.
6060         (avoiding_indexed_address_p): New function.
6061         (rs6000_legitimize_address): Use it.
6062         (rs6000_legitimate_address): Likewise.
6063         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6065 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6067         PR tree-optimization/38997
6068         * tree-loop-distribution.c (generate_memset_zero): Use
6069         POINTER_PLUS_EXPR for a pointer addition.
6071 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6073         * config/s390/s390.md (bswap<mode>2): New pattern added.
6075 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6077         * config/s390/s390.md (*tls_load_31): Added type attribute.
6079 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6081         * config/s390/s390.md: Fix a few comments.
6083 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6085         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6086         (*tm<mode>_full): Fixed z10prop attribute.
6087         (*tst<mode>_extimm): Fixed z10prop attribute.
6088         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6089         (*tstqiCCT_cconly): Fixed z10prop attribute.
6090         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6091         (*movsi_larl): Fixed z10prop attribute.
6092         (*movsi_zarch): Fixed z10prop attribute.
6093         (*movsi_eas): Fixed z10prop attribute.
6094         (*movhi): Fixed z10prop attribute.
6095         (*movqi): Fixed z10prop attribute.
6096         (*movstrictqi): Fixed z10prop attribute.
6097         (*mov<mode>): Fixed z10prop attribute.
6098         (*movcc): Fixed z10prop attribute.
6099         (*sethighpartdi_64): Fixed z10prop attribute.
6100         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6101         (*negdi2_sign_cc): Fixed z10prop attribute.
6102         (*negdi2_sign): Fixed z10prop attribute.
6103         (*absdi2_sign_cc): Fixed z10prop attribute.
6104         (*absdi2_sign): Fixed z10prop attribute.
6105         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6106         (*negabsdi2_sign): Fixed z10prop attribute.
6107         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6108         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6109         (doloop_si64): Fixed z10prop attribute.
6110         (doloop_si31): Fixed z10prop attribute.
6111         (doloop_long): Fixed z10prop attribute.
6112         (indirect_jump): Fixed z10prop attribute.
6113         (nop): Fixed z10prop attribute.
6114         (main_base_64): Fixed z10prop attribute.
6115         (reload_base_64): Fixed z10prop attribute.
6117 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6119         PR rtl-optimization/38740
6120         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6121         if !optimize.
6122         * config/mips/mips.c (mips_reorg): Likewise.
6124 2009-01-28  Richard Guenther  <rguenther@suse.de>
6126         PR tree-optimization/38926
6127         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6128         with the correct value id to a value.
6129         (do_regular_insertion): Use the value number of edoubleprime
6130         for the value number of the expr.
6132         Revert
6133         2008-08-21  Richard Guenther  <rguenther@suse.de>
6135         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6136         a PHI ask VN if it is already available.
6137         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6138         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6140 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6142         PR middle-end/38934
6143         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6144         set to varying whenever max has TREE_OVERFLOW set, similarly
6145         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6147 2009-01-28  Richard Guenther  <rguenther@suse.de>
6149         PR middle-end/38908
6150         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6151         uninitialized aggregate uses in call arguments.
6153 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6155         PR tree-optimization/38984
6156         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6157         the nothing_id variable if -fno-delete-null-pointer-checks.
6159 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6161         PR target/38988
6162         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6163         (set_got_offset_rex64): Ditto.
6165 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6167         PR target/38941
6168         * doc/extend.texi: Improve local variable with asm reg.
6170 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6172         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6173         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6174         was not supplied then set warn_packed_bitfield_compat to the
6175         default value of 1.
6176         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6177         against 1.
6179 2009-01-27  Richard Guenther  <rguenther@suse.de>
6181         PR tree-optimization/38503
6182         * cfgexpand.c (expand_gimple_basic_block): Ignore
6183         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6184         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6185         variables that cannot have TBAA applied.
6186         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6187         statements.
6189 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6191         PR middle-end/38969
6192         * calls.c (initialize_argument_information): Do not wrap complex
6193         arguments in SAVE_EXPR.
6195 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6197         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6198         (INSTALL_LIBGCC): Revert typo commit.
6200 2009-01-26  Richard Guenther  <rguenther@suse.de>
6202         PR tree-optimization/38745
6203         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6204         from special handling.
6206 2009-01-26  Richard Guenther  <rguenther@suse.de>
6208         PR tree-optimization/38745
6209         * tree-ssa.c (execute_update_addresses_taken): Do not include
6210         variables that cannot possibly be a register in not_reg_needs.
6211         Do not clear TREE_ADDRESSABLE on vars that may not become
6212         registers.
6213         * tree-ssa.c (update_alias_info_1): Include those in the set
6214         of addressable vars.
6216 2009-01-26  Richard Guenther  <rguenther@suse.de>
6218         PR middle-end/38851
6219         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6220         * tree-ssa-dse.c: Include langhooks.h
6221         (execute_simple_dse): Remove stores with zero size.
6223 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6225         PR c/38957
6226         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6227         as PLUS_EXPR.
6229 2009-01-24  Julian Brown  <julian@codesourcery.com>
6231         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6232         config/arm/linux-atomic.c.
6233         * config/arm/linux-atomic.c: New.
6235 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6237         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6238         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6239         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6241 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6243         PR c/38938
6244         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6245         properly.
6247 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6249         PR tree-optimization/38953
6250         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6251         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6252         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6253         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6254         changed the CFG.
6256 2009-01-24  Paul Brook  <paul@codesourcery.com>
6258         * config/arm/neon.md (neon_type): Move to arm.md.
6259         (neon_mov<VSTRUCT>): Add neon_type attribute.
6260         * config/arm/arm.md (neon_type): Move to here.
6261         (conds): Add "unconditioal" and use as default for NEON insns.
6263 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6265         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6266         void *' warning from -Wc++-compat.
6267         * Makefile.in (dominance.o-warn): Remove.
6269 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6271         PR tree-optimization/38932
6272         * fold-const.c (fold_unary_ignore_overflow): New.
6273         * tree.h (fold_unary_ignore_overflow): Declare.
6274         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6275         * tree-ssa-sccvn.c (visit_reference_op_load,
6276         simplify_unary_expression): Likewise.
6278 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6280         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6281         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6282         regardless of their type.
6283         * c-common.c (handle_packed_attribute): Don't ignore packed on
6284         bitfields.
6285         * c.opt (Wpacked-bitfield-compat): New warning option.
6286         * stor-layout.c (place_field): Warn if offset of a field changed.
6287         * doc/extend.texi (packed): Mention the ABI change.
6288         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6289         (Warning Options): Add it to the list.
6291 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6293         * c-opts.c (c_common_post_options): Fix a typo in comments.
6295 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6297         PR middle-end/38615
6298         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6299         variables to static.
6300         * doc/invoke.texi (-fmerge-all-constants): Update description.
6302 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6304         PR target/38931
6305         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6306         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6308 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6310         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6311         a word boundary.
6312         (LOCAL_ALIGNMENT): Similarly.
6314 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6315             Joseph Myers  <joseph@codesourcery.com>
6317         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6318         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6319         * config/arm/arm-tune.md: Regenerate.
6320         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6321         -march=iwmmxt2.
6323 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6325         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6326         version number to five.
6328 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6330         PR c++/38930
6331         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6332         * c-common.c (set_underlying_type): Likewise.
6333         (is_typedef_decl ): Likewise
6334         * tree.h: Likewise
6335         (set_underlying_type): Likewise.
6336         (is_typedef_type): Likewise.
6338 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6340         PR middle-end/38587
6341         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6342         crossing setjmps.
6344 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6346         PR bootstrap/37660
6347         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6348         (LIBGCC_SPEC):  Don't define.
6349         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6351 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6353         PR rtl-optimization/38879
6354         * alias.c (base_alias_check): Unaligned access via AND address can
6355         alias all surrounding object types except those with sizes equal
6356         or wider than the size of unaligned access.
6358 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6360         PR c++/26693
6361         * c-decl.c (clone_underlying_type): Move this ...
6362         * c-common.c (set_underlying_type): ... here.
6363         Also, make sure the function properly sets TYPE_STUB_DECL() on
6364         the newly created typedef variant type.
6365         (is_typedef_decl ): New entry point.
6366         * tree.h: Added a new member member_types_needing_access_check to
6367         struct tree_decl_non_common.
6368         (set_underlying_type): New entry point.
6369         (is_typedef_type): Likewise.
6371 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6373         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6374         Check whether two instructions have memory references that
6375         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6376         are helper functions for traversing.
6377         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6378         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6379         not to draw dependency edge for instructions with non-conflicting
6380         alias sets.
6382 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6384         PR other/38758
6385         * longlong.h: Update copyright years.  Use soft-fp license notice.
6386         Sync __clz_tab declaration with glibc.
6388 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6390         PR target/30687
6391         * doc/extend.texi (syscall_linkage): New.
6392         (version_id): Modify.
6394 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6395             Richard Guenther  <rguenther@suse.de>
6397         PR tree-optimization/38747
6398         PR tree-optimization/38748
6399         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6400         conversion if the base address is an indirect reference and the
6401         aliasing sets could cause issues.
6403 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6405         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6406         explaining why these options are not documented.
6408 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6410         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6411         gimple_call_lhs is NULL.
6413 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6415         PR target/38868
6416         * emit-rtl.c (adjust_address_1): Make sure memref is never
6417         overwritten.
6419 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6421         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6422         const qualifier from arg parameter. Remove unnecessary cast to char *.
6423         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6424         const qualifier from arg 2.
6426 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6428         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6430 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6432         PR c/38869
6433         * rtl.h (reinit_regs): New prototype.
6434         * regclass.c: Include ira.h.
6435         (reinit_regs): New.
6436         * Makefile.in (regclass.o): Add ira.h.
6437         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6439 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6441         PR target/38736
6442         * c-common.c (handle_aligned_attribute): Use
6443         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6444         default alignment value.
6446         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6448         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6449         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6451         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6452         __BIGGEST_ALIGNMENT__.
6454         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6456 2009-01-18  Richard Guenther  <rguenther@suse.de>
6458         PR tree-optimization/38819
6459         * tree-flow.h (operation_could_trap_helper_p): Declare.
6460         * tree-eh.c (operation_could_trap_helper_p): Export.
6461         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6462         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6463         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6464         are about to insert a possibly trapping instruction and fail
6465         in this case.
6467 2009-01-18  Andreas Schwab  <schwab@suse.de>
6469         * doc/install.texi (Configuration): Remove obsolete paragraph
6470         about use of --with-gnu-ld with --with-gnu-as.
6472 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6474         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6475         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6476         Follow spelling conventions.
6478 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6480         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6481         C++ warning about implicit conversion from void * to struct
6482         bitmap_head_def *.
6483         (bitmap_obstack_free): Likewise for bitmap_element *.
6484         * Makefile.in (bitmap.o-warn): Remove.
6486 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6488         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6490 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6491             Tobias Grosser  <tobi.grosser@amd.com>
6493         * graphite.c (graphite_trans_scop_block): Do not block single
6494         nested loops.
6496 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6498         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6499         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6500         test with assertion.
6502 2009-01-16  Richard Guenther  <rguenther@suse.de>
6504         PR tree-optimization/38835
6505         PR middle-end/36227
6506         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6507         and INT + PTR -> (INT)(PTR p+ INT) folding.
6508         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6510 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6512         PR target/38554
6513         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6514         the subreg from a lowpart subreg if it is also casting the value.
6516 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6517             Tobias Grosser  <tobi.grosser@amd.com>
6519         * graphite.c (compare_prefix_loops): New.
6520         (build_scop_canonical_schedules): Rewritten.
6521         (graphite_transform_loops): Move build_scop_canonical_schedules
6522         after build_scop_iteration_domain.
6524 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6525             Tobias Grosser  <tobi.grosser@amd.com>
6527         * graphite.c (add_conditions_to_domain): Add the loops to 
6528         the dimension of the iteration domain.  Do copy the domain
6529         only when it exists.
6530         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6531         (add_conditions_to_constraints): New.
6532         (can_generate_code_stmt, can_generate_code): Removed.
6533         (gloog): Do not call can_generate_code.
6534         (graphite_transform_loops): Call add_conditions_to_constraints
6535         after building the iteration domain.
6537 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6539         PR tree-optimization/38789
6540         * tree-ssa-threadedge.c
6541         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6542         __builtin_constant_p.
6544 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6546         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6547         examined before deleting them.
6548         
6549 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6551         * function.c (aggregate_value_p): Correctly extract the function
6552         type from CALL_EXPR_FN lookup.
6554 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6556         * config/picochip/picochip.c (picochip_override_options): Revert
6557         CFI asm flag disable commited previously.
6559 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6560             Tobias Grosser  <tobi.grosser@amd.com>
6561             Jan Sjodin  <jan.sjodin@amd.com>
6563         * graphite.c (scan_tree_for_params): On substractions negate
6564         all the coefficients of the term.
6565         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6566         of more than two operands.
6567         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6568         (get_vdef_before_scop): Handle also the case of default definitions.
6570 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6572         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6573         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6574         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6576 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6577             Joey Ye  <joey.ye@intel.com>
6579         PR middle-end/37843
6580         * cfgexpand.c (expand_stack_alignment): Don't update stack
6581         boundary nor check incoming stack boundary here.
6582         (gimple_expand_cfg): Update stack boundary and check incoming
6583         stack boundary here.
6585 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6587         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6588         
6589 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6591         PR rtl-optimization/38245
6592         * calls.c (expand_call): Add stack arguments to
6593         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6594         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6595         in regs and partially in memory or BLKmode arguments.
6596         (emit_library_call_value_1): Add stack arguments to
6597         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6598         ACCUMULATE_OUTGOING_ARGS).
6599         * dce.c: Include tm_p.h.
6600         (find_call_stack_args): New function.
6601         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6602         argument.
6603         (mark_insn): Call find_call_stack_args for CALL_Ps.
6604         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6605         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6606         down to deletable_insn_p, don't mark stores set in arg_stores
6607         bitmap, clear the bitmap at the beginning of each bb.
6608         * Makefile.in (dce.o): Depend on $(TM_P_H).
6610 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6612         PR target/22599
6613         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6614         to make sure the insn is a conditional test (bug 22599).  Reformat a
6615         few long lines.
6617 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6619         PR middle-end/38431
6620         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6621         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6622         (gloog): Do not call cleanup_tree_cfg.
6623         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6624         scops have been code generated.
6626 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6627         * doc/gty.texi (Invoking the garbage collector): Added new node
6628         and section documenting ggc_collect.
6630 2009-01-14  Richard Guenther  <rguenther@suse.de>
6632         PR tree-optimization/38826
6633         PR middle-end/38477
6634         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6635         initialization notes only if we actually emitted a warning.
6636         (intra_create_variable_infos): Add constraints for a result decl
6637         that is passed by hidden reference.
6638         (build_pred_graph): Mark all related variables non-direct on
6639         address-taking.
6641 2009-01-14  Nick Clifton  <nickc@redhat.com>
6643         * ira-conflicts.c: Include addresses.h for the definition of
6644         base_reg_class.
6645         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6646         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6648 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6650         PR target/38811
6651         * Makefile.in (ira-lives.o): Add except.h.
6653         * ira-lives.c: Include except.h.
6654         (process_bb_node_lives): Process can_throw_internal.
6656 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6658         PR rtl-optimization/38774
6659         * combine.c (simplify_set): When undoing cc_use change, don't do
6660         PUT_CODE on the newly created comparison, but instead put back the
6661         old comparison.
6663 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6665         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6666         values.  Remove duplicate arm8 entry.
6668 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6670         PR tree-optimization/38786
6671         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6672         the SSA_NAME case of expand_scalar_variables_expr.
6673         Set the type of an expression to the type of its assign statement.
6674         (expand_scalar_variables_expr): Also gather the scalar computation
6675         used to index the memory access.  Do not pass loop_p.
6676         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6677         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6678         the gimple_stmt_iterator where it inserts new code.
6679         Do not pass loop_p.
6680         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6681         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6683 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6685         * graphite.h (debug_value): Removed.
6686         * graphite.c (debug_value): Removed.
6688 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6690         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6691         ldrd/strd with two 32-bit instructions.
6693 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6695         * config/arm/arm.c (struct processors): Pass for speed down into
6696         cost helper functions.
6697         (const_ok_for_op): Handle COMPARE and inequality nodes.
6698         (arm_rtx_costs_1): Rewrite.
6699         (arm_size_rtx_costs): Update prototype.
6700         (arm_rtx_costs): Pass speed down to helper functions.
6701         (arm_slowmul_rtx_costs): Rework cost calculations.
6702         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6703         (arm_9e_rtx_costs): Likewise.
6705 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6707         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6708         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6709         (alpha_legitimize_address): Do not split local symbols wider than
6710         UNITS_PER_WORD into HIGH/LO_SUM parts.
6712 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6714         PR bootstrap/38580
6715         * gcc.c (process_command): Replace call to execvp with calls
6716         to pex_one and exit.
6718 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6720         PR target/29141
6721         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6722         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6723         variant for devices with 3-byte PC.
6724         (__tablejump_elpm__): New.
6726 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6728         PR c/32041
6729         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6730         offsetof member-designator, handle it as `[0].'.
6732 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6734         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6735         function when not using named sections on targets with named sections
6736         if branch distance is less than 262132.
6738 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6740         * combine.c (combine_instructions):  Recompute
6741         optimize_this_for_speed_p  for each BB in the main combine loop.
6743 2009-01-12  Tomas Bily  <tbily@suse.cz>
6745         PR middlend/38385
6746         * tree-loop-distribution.c (prop_phis): New function.
6747         (generate_builtin): Call prop_phis.
6748         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6750 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6752         PR tree-optimization/38807
6753         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6754         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6756 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6758         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6759         subreg of op0 to the original op0.
6761 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6763         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6764         
6765 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6767         PR debug/7055
6768         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6769         starting with digits.
6771 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6773         PR target/38695
6774         * config/arm/arm.c (arm_is_long_call_p): Don't call
6775         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6777 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6779         * regrename.c (regrename_optimize): Fix dumping.
6780         (find_oldest_value_reg): Preserve REG_POINTER.
6781         (copy_hardreg_forward_1): Likewise.
6783 2009-01-09  Diego Novillo  <dnovillo@google.com>
6785         * gimple.h (struct gimple_statement_base) <uid>: Document
6786         the restrictions on its use.
6787         (gimple_uid): Tidy.
6788         (gimple_set_uid): Tidy.
6790 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6792         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6793         zero guard even if align_bytes != 0 and count is smaller than
6794         size_needed.
6796 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6798         PR rtl-optimization/38495
6799         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6800         (add_range_and_copies_from_move_list): Print all added ranges.
6801         Add ranges to memory optimized destination.
6803 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6805         PR target/38686
6806         PR target/38708
6807         * config/i386/i386.c (override_options): Reject
6808         -mstringop-strategy=rep_8byte with -m32.
6809         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6810         to 1.  Do count comparison against epilogue_size_needed at compile
6811         time even when count_exp was constant forced into register.  For
6812         size_needed don't jump to epilogue, instead just avoid aligning
6813         and invoke the body algorithm.  If need_zero_guard, add zero guard
6814         even if count is non-zero, but smaller than size_needed + number of
6815         bytes that could be stored for alignment.
6816         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6817         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6818         but smaller than size_needed + number of bytes that could be stored
6819         for alignment.  Compare size_needed with epilogue_size_needed instead
6820         of desired_align - align, don't adjust size_needed, pass
6821         epilogue_size_needed to the epilogue expanders.
6823         PR c/35742
6824         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6826 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6828         * pa.c (last_address): Change to unsigned.
6829         (update_total_code_bytes): Change argument to unsigned.  Don't
6830         check if insn addresses are set.
6831         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6832         addresses are not set.
6833         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6835 2009-01-09  Nick Clifton  <nickc@redhat.com>
6837         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6838         DECL_DECLARED_INLINE_P.
6840 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6842         PR middle-end/38347
6843         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6844         GET_MODE (op0) in operand_subword_force calls.
6846         PR middle-end/38771
6847         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6848         fold_convert arg0 operands to TREE_TYPE (op0) first.
6850 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6852         * params.def (ira-max-conflict-table-size): Decrease default value
6853         to 1000.
6855 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6857         PR tree-optimization/37031
6858         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6859         on parameter_set.
6860         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6861         allocate it using gc instead of heap, use VEC_quick_push instead of
6862         VEC_safe_push.
6863         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6864         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6865         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6866         allocated vector from heap allocated.
6867         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6868         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6869         vector only after perfect_loop_nest_depth call.
6871 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6872             Jan Sjodin  <jan.sjodin@amd.com>
6874         PR tree-optimization/38559
6875         * graphite.c (debug_value, copy_constraint,
6876         swap_constraint_variables, scale_constraint_variable, ): New.
6877         (get_lower_bound, get_upper_bound): Removed.
6878         (graphite_trans_bb_strip_mine): Clean up this code that works
6879         only for constant number of iterations.  Fully copy upper and
6880         lower bound constraints, not only the constant part of them.
6881         * graphite.h (debug_value): Declared.
6883 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6885         PR tree-optimization/37194
6886         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6887         Don't add the cost of cost model guard in prologue to scalar 
6888         outside cost in case of known number of iterations.
6890 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6891             Alan Modra  <amodra@bigpond.net.au>
6893         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6894         non-word-aligned REG+CONST addressing.
6896 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6898         PR target/38706
6899         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6900         free_after_compilation when outputting a thunk.
6901         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6902         Do not call free_after_compilation here.
6904 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6906         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6907         (ix86_valid_target_attribute_inner_p): Ditto.
6909 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6911         PR tree-optimization/38492
6912         PR tree-optimization/38498
6913         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6914         * tree-chrec.h (scev_is_linear_expression): Declared.
6915         * graphite.c (graphite_cannot_represent_loop_niter): New.
6916         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6917         (graphite_loop_normal_form): Use gcc_assert.
6918         (scan_tree_for_params): Use CASE_CONVERT.
6919         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6920         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6921         Use gcc_assert.  Discard scops that contain unhandled cases.
6922         (build_scop_conditions): Return a boolean status for unhandled cases.
6923         (strip_mine_profitable_p): Print the loop number, not its depth.
6924         (is_interchange_valid): Pass the depth of the loop nest, don't
6925         recompute it wrongly.
6926         (graphite_trans_bb_block): Same.
6927         (graphite_trans_bb_block): Print tentative of loop blocking.
6928         (graphite_trans_scop_block): Do not print that the loop has been
6929         blocked.
6930         (graphite_transform_loops): Do not handle scops that contain condition
6931         scalar phi nodes.
6933 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6935         AVX Programming Reference (December, 2008)
6936         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6937         (_mm256_stream_pd): Likewise.
6938         (_mm256_stream_ps): Likewise.
6940         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6941         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6942         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6943         (bdesc_special_args): Add __builtin_ia32_movntdq256,
6944         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6945         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6946         (ix86_expand_special_args_builtin): Likewise.
6948         * config/i386/sse.md (AVXMODEDI): New.
6949         (avx_movnt<mode>): Likewise.
6950         (avx_movnt<mode>): Likewise.
6951         (<sse>_movnt<mode>): Remove AVX support.
6952         (sse2_movntv2di): Likewise.
6954 2009-01-07  Richard Guenther  <rguenther@suse.de>
6956         PR middle-end/38751
6957         * fold-const.c (extract_muldiv): Remove obsolete comment.
6958         (fold_plusminus_mult_expr): Undo MINUS_EXPR
6959         to PLUS_EXPR canonicalization for the canonicalization.
6961 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
6963         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6964         hosted cross-compilers generating less efficient code.
6966 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6968         * function.h (rtl_data): Add a dbr_scheduled_p field.
6969         * reorg.c (dbr_schedule): Set it.
6970         (gate_handle_delay_slots): Check it.
6971         * config/mips/mips.c (mips_base_delayed_branch): Delete.
6972         (mips_reorg): Check flag_delayed_branch instead of
6973         mips_base_delayed_branch.
6974         (mips_override_options): Don't set mips_base_delayed_branch
6975         or flag_delayed_branch.
6977 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6979         PR rtl-optimization/38426.
6980         * ira.c (ira): Set current_function_is_leaf earlier.
6982 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
6984         PR rtl-optimization/38722
6985         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6986         too early, only set a flag and modify after last possible
6987         undo_all point.
6989 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
6991         PR c/34252
6992         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6993         * real.c (decimal_single_format): Correct values of emin and emax.
6994         (decimal_double_format): Ditto.
6995         (decimal_quad_format): Ditto.
6996         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6997         computation of DECnn_MIN and DECnn_MAX for corrected values of
6998         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
6999         __DECnn_MIN__, and adjust its computation for the corrected value
7000         of emin.
7002 2009-01-06  Jan Hubicka  <jh@suse.cz>
7004         PR target/38744
7005         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7007 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7009         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7010         Add Robert Clark to the list of testers.
7012 2009-01-06  Jan Hubicka  <jh@suse.cz>
7013             Kai Tietz  <kai.tietz@onevision.com>
7015         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7016         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7018 2009-01-06  Jan Hubicka  <jh@suse.cz>
7019             Kai Tietz  <kai.tietz@onevision.com>
7021         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7022         for w64 ABI.
7023         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7024         (ix86_nsaved_regs): Count only general purpose regs.
7025         (ix86_nsaved_sseregs): New.
7026         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7027         to 16 for w64; compute padding and size of sse reg save area.
7028         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7029         general purpose regs.
7030         (ix86_emit_save_sse_regs_using_mov): New.
7031         (ix86_expand_prologue): Save SSE regs if needed.
7032         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7033         (ix86_emit_restore_sse_regs_using_mov): New.
7034         (ix86_expand_epilogue): Save SSE regs if needed.
7036 2009-01-06  Jan Hubicka  <jh@suse.cz>
7037             Kai Tietz  <kai.tietz@onevision.com>
7039         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7040         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7041         functions when accumulate outgoing args is off.
7043 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7045         PR bootstrap/38742
7046         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7047         before using pseudos_have_intersected_live_ranges_p.
7049         * ira-int.h (ira_assert): Always define.
7051 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7053         AVX Programming Reference (December, 2008)
7054         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7055         (_mm256_permute2_pd): Likewise.
7056         (_mm_permute2_ps): Likewise.
7057         (_mm256_permute2_ps): Likewise.
7058         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7059         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7061         * config/i386/i386.c (ix86_builtins): Remove
7062         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7063         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7064         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7065         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7066         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7067         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7068         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7069         __builtin_ia32_vpermil2ps256.
7070         (ix86_init_mmx_sse_builtins): Updated.
7071         (ix86_expand_args_builtin): Likewise.
7073 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7075         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7076         long absolute calls when generating PA 2.0 code.
7078 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7080         PR rtl-optimization/38583
7081         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7083         * params.def (ira-max-conflict-table-size): New.
7085         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7086         
7087         * ira.h (ira_conflicts_p): New external definition.
7088         
7089         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7090         table.  Report this.  Return result of building.
7091         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7092         building conflict table.
7094         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7095         (ira_color): Use ira_conflicts_p.
7096         
7097         * global.c: Include ira.h.
7098         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7099         ira_conflicts_p.
7101         * Makefile.in (global.o): Add ira.h.
7102         
7103         * ira-build.c (mark_all_loops_for_removal,
7104         propagate_some_info_from_allocno): New.
7105         (remove_unnecessary_allocnos): Call
7106         propagate_some_info_from_allocno.
7107         (remove_low_level_allocnos): New.
7108         (remove_unnecessary_regions): Add parameter.  Call
7109         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7110         parameter to remove_unnecessary_regions.
7111         (ira_build): Remove all regions but root if the conflict table was
7112         not built.  Update conflict hard regs for allocnos crossing calls.
7114         * ira.c (ira_conflicts_p): New global.
7115         (ira): Define and use ira_conflicts_p.
7117         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7118         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7119         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7120         
7121 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7123         * gengtype-lex.l (YY_NO_INPUT): Define.
7125 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7127         PR c/34911
7128         * c-common.c (handle_vector_size_attribute): Also reject
7129         BOOLEAN_TYPE types.
7131 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7133         PR tree-optimization/38492
7134         * graphite.c (rename_map_elt, debug_rename_elt,
7135         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7136         rename_map_elt_info, eq_rename_map_elts,
7137         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7138         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7139         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7140         (sese_build_livein_liveouts): New.
7141         (new_sese, free_sese): New.
7142         (new_scop): Call new_sese.
7143         (free_scop): Call free_sese.
7144         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7145         (register_old_new_names): Renamed register_old_and_new_names.
7146         (register_scop_liveout_renames, add_loop_exit_phis,
7147         insert_loop_close_phis, struct igp,
7148         default_liveout_before_guard, add_guard_exit_phis,
7149         insert_guard_phis, copy_renames): New.
7150         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7151         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7152         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7153         (scop_adjust_phis_for_liveouts): New.
7154         (gloog): Call scop_adjust_phis_for_liveouts.
7156         * graphite.h (struct sese): Documented.  Added fields liveout,
7157         num_ver and livein.
7158         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7159         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7160         (struct scop): Added field liveout_renames.
7161         (SCOP_LIVEOUT_RENAMES): New.
7163 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7165         PR tree-optimization/38510
7166         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7167         (translate_clast): Call recompute_all_dominators before
7168         graphite_verify.
7169         (gloog): Call recompute_all_dominators before graphite_verify.
7171 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7172             Jan Sjodin  <jan.sjodin@amd.com>
7174         PR tree-optimization/38500
7175         * graphite.c (create_sese_edges): Call fix_loop_structure after
7176         splitting blocks.
7178 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7180         * config.gcc: Add m32r*-*-rtems*.
7181         * config/m32r/rtems.h: New file.
7183 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7185         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7186         (.po.pox): Likewise.
7187         (po/gcc.pot): Likewise.
7189 2009-01-04  David S. Miller  <davem@davemloft.net>
7191         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7192         (STARTING_FRAME_OFFSET): Always set to zero.
7194 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7196         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7197         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7198         fixed-point types, and vectors of the same.
7200 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7202         * config/mips/sync.md (*mb_barrier): Rename to...
7203         (*memory_barrier): ...this.
7205 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7207         * doc/extend.texi (Function Attributes): Move @cindex after @item
7208         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7209         and put in alphabetical order. Fix 'target' name and put in order.
7210         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7211         typos.
7213 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7215         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7216         (memory_barrier): Expand as unspec instead of unspec_volatile.
7217         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7218         (*memory_barrier): Define as unspec instead of unspec_volatile.
7219         Use (match_dup 0) as input operand.
7221         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7222         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7223         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7224         scratch register.  Remove operand 1.
7225         (*stbar): Define as unspec instead of unspec_volatile.
7226         Use (match_dup 0) as input operand, remove (const_int 8).
7227         (*membar): Define as unspec instead of unspec_volatile.
7228         Use (match_dup 0) as input operand, remove input operand 2.
7230         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7231         (memory_barrier): Expand as unspec instead of unspec_volatile.
7232         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7233         (*memory_barrier): Define as unspec instead of unspec_volatile.
7234         Use (match_dup 0) as input operand.
7236         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7237         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7238         Set volatile flag on operand 0.
7239         (*memory_barrier): New insn pattern.
7241         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7242         insn operands.
7243         (*memory_barrier): Use (match_dup 0) as input operand.
7245         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7246         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7247         Set volatile flag on operand 0.
7248         (*mb_internal): New insn pattern.
7250         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7252 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7254         PR middle-end/38586
7255         * function.c (struct temp_slot): Move to the section of the file
7256         that deals with temp slots.  Remove field 'address'.
7257         (temp_slot_address_table): New hash table of address -> temp slot.
7258         (struct temp_slot_address_entry): New struct, items for the table.
7259         (temp_slot_address_compute_hash, temp_slot_address_hash,
7260         temp_slot_address_eq, insert_temp_slot_address): Support functions
7261         for the new table.
7262         (find_temp_slot_from_address): Rewrite to use the new hash table.
7263         (remove_unused_temp_slot_addresses): Remove addresses of temp
7264         slots that have been made available.
7265         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7266         worker function for remove_unused_temp_slot_addresses.
7267         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7268         Add the temp slot address to the address -> temp slot map.
7269         (update_temp_slot_address): Update via insert_temp_slot_address.
7270         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7271         (pop_temp_slots): Likewise.
7272         (init_temp_slots): Allocate the address -> temp slot map, or empty
7273         the map if it is already allocated.
7274         (prepare_function_start): Initialize temp slot processing.
7276 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7278         PR middle-end/38584
7279         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7280         Calculate the size of all stack vars assuming no packing of stack
7281         vars will happen, replacing a quadratic algorithm with a linear one.
7283 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7285         PR target/38707
7286         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7287         can't be used.
7289 2009-01-03  Diego Novillo  <dnovillo@google.com>
7291         * doc/contrib.texi: Update contributions.
7293 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7295         PR c++/38705
7296         * builtins.c (fold_builtin_memory_op): Give up if either operand
7297         is volatile.  Set srctype or desttype to non-qualified version
7298         of the other type.
7300         PR c/38700
7301         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7302         and FUNCTION_DECLs.
7304 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7306         PR rtl-optimization/35805
7307         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7308         problem if fast dce is able to remove any instructions.
7309         * dce.c (dce_process_block): Fix dump message.
7310         
7311 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7313         PR 33649
7314         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7316 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7318         PR middle-end/38690
7319         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7320         * tree-pretty-print.c (op_code_prio): New function.
7321         (op_prio): No longer static.  Use op_code_prio.
7322         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7323         Use op_prio and op_code_prio to determine if () should be
7324         printed around operand(s) or not.
7326         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7327         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7328         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7329         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7330         pp_character instead of pp_string for single letter printing.
7332 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7334         * doc/extend.texi: Fix '#pragma GCC option' typo.
7336 2009-01-02  Richard Guenther  <rguenther@suse.de>
7338         * doc/install.texi (--enable-checking): Mention different
7339         default for stage1.
7340         (--enable-stage1-checking): Document.
7342 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7344         PR middle-end/30142
7345         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7346         case to be an error.
7348 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7350         * config/fp-bit.h (pack_d): Constify argument.
7351         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7352         (isnan): Constify argument.
7353         (isinf): Likewise.
7354         (iszero): Likewise.
7355         (pack_d): Likewise.
7356         (_fpadd_parts): Constify return type.
7357         (_fpmul_parts): Likewise.
7358         (_fpdiv_parts): Likewise.
7360 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7362         PR c/36489
7363         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7364         warn about overwriting initializer with side-effects or
7365         -Woverride-init if !IMPLICIT.
7366         (output_init_element): Likewise.  Pass IMPLICIT down to
7367         add_pending_init.
7368         (process_init_element): Add IMPLICIT argument.  Pass it down
7369         to output_init_element.
7370         (push_init_element, pop_init_level, set_designator): Adjust
7371         process_init_element callers.
7372         (set_nonincremental_init, set_nonincremental_init_from_string):
7373         Adjust add_pending_init callers.
7374         (output_pending_init_elements): Adjust output_init_element callers.
7375         * c-tree.h (process_init_element): Adjust prototype.
7376         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7377         process_init_element callers.