tree-ssa-pre.c (create_expression_by_pieces): Remove assertion for AVAIL_OUT.
[official-gcc.git] / gcc / ChangeLog
blob2eee991f0d802c41e5ffe9daccf3c09ac5805df2
1 2009-04-17  Diego Novillo  <dnovillo@google.com>
3         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4         assertion for AVAIL_OUT.
6 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
8         PR target/38627
9         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
10         * config/sh/linux-atomic.asm: Likewise.
12 2009-04-17  Diego Novillo  <dnovillo@google.com>
14         * except.c (debug_eh_tree): New.
15         (struct eh_region, struct eh_status): Move ...
16         * except.h: ... here.
17         (add_type_for_runtime): Declare extern.
18         (lookup_type_for_runtime): Likewise.
19         (debug_eh_tree): Declare.
20         * Makefile.in (GTFILES): List except.h before except.c
22 2009-04-17  Diego Novillo  <dnovillo@google.com>
24         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT
25         for DECL.
26         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
27         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
28         (find_vars_r): ... here.
29         * tree-flow.h (find_referenced_vars_in): Declare.
30         * tree-ssa-pre.c (create_expression_by_pieces): Assert
31         that AVAIL_OUT exists for BLOCK.
32         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
33         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
34         (tree-parloops.o): Likewise.
36 2009-04-17  Simon Baldwin  <simonb@google.com>
38         * toplev.c (default_tree_printer): Add handling for %E format.
40 2009-04-17  Diego Novillo  <dnovillo@google.com>
42         * tree-pretty-print.c (dump_generic_node): Add break
43         after TREE_BINFO handler.
44         Handle COMPLEX_TYPE, REAL_TYPE and FIXED_POINT_TYPE
45         Handle NULL TREE_TYPEs.
46         Handle METHOD_TYPE and FUNCTION_TYPE together.
47         Call print_struct_decl when printing structures and
48         TDF_SLIM is not given.
49         (print_struct_decl): Fix logic for detecting recursion.
51 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
53         PR 31567
54         * gcc.c (create_at_file): New.
55         (compile_input_file_p): New.
56         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
57         * main.c (main): Update call to toplev_main.
58         * toplev.c (toplev_main): Change signature. Call expandargv.
59         * toplev.h (toplev_main): Change signature.
61 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
63         * dwarf2out.c (field_byte_offset): Use the type size as the field size
64         if the latter is not constant.
66 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
68         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
70 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
72         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
73         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
75 2009-04-17  Richard Guenther  <rguenther@suse.de>
77         * tree-ssa-structalias.c (get_constraint_for_component_ref):
78         Handle component references view-converting an invariant address.
80 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
82         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
83         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
84         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
85         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
86         Use @deftypevr rather than @deftypevar.
88 2009-04-17  Richard Guenther  <rguenther@suse.de>
90         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up
91         tuplification.
92         (get_prop_source_stmt): Likewise.
93         (can_propagate_from): Likewise.
95 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
97         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
98         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
99         (--with-multilib-list): Add default value.
100         * configure: Regenerate.
101         * Makefile.in (TM_ENDIAN_CONFIG): Define.
102         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
103         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
104         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
105         Don't add default cpu to multilib list unnecessarily, but do enable
106         the relevant compiler option..
107         Add support for --with-multilib-list=<blank> and
108         --with-multilib-list=!<somelib> to supress unwanted multilibs.
109         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
110         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
111         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
112         TM_MULTILIB_CONFIG.
113         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
114         (MULTILIB_OSDIRNAMES): New variable.
115         * config/sh/t-1e: Delete file.
116         * config/sh/t-mlib-sh1: Delete file.
117         * config/sh/t-mlib-sh2: Delete file.
118         * config/sh/t-mlib-sh2a: Delete file.
119         * config/sh/t-mlib-sh2a-nofpu: Delete file.
120         * config/sh/t-mlib-sh2a-single: Delete file.
121         * config/sh/t-mlib-sh2a-single-only: Delete file.
122         * config/sh/t-mlib-sh2e: Delete file.
123         * config/sh/t-mlib-sh3e: Delete file.
124         * config/sh/t-mlib-sh4: Delete file.
125         * config/sh/t-mlib-sh4-nofpu: Delete file.
126         * config/sh/t-mlib-sh4-single: Delete file.
127         * config/sh/t-mlib-sh4-single-only: Delete file.
128         * config/sh/t-mlib-sh4a: Delete file.
129         * config/sh/t-mlib-sh4a-nofpu: Delete file.
130         * config/sh/t-mlib-sh4a-single: Delete file.
131         * config/sh/t-mlib-sh4a-single-only: Delete file.
132         * config/sh/t-mlib-sh4al: Delete file.
133         * config/sh/t-mlib-sh5-32media: Delete file.
134         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
135         * config/sh/t-mlib-sh5-64media: Delete file.
136         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
137         * config/sh/t-mlib-sh5-compact: Delete file.
138         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
139         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
140         * doc/install.texi (Options specification): Add
141         --with-multilib-list and --with-endian.
143 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
145         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
146         REVISION_c.
147         (OBJS-common): Add plugin-version.o.
148         (plugin-version.o): New.
149         * gcc-plugin.h (plugin_gcc_version): New.
150         (plugin_default_version_check): New.
151         (plugin_init_func, plugin_init): Add version argument.
152         * plugin-version.c: New.
153         * plugin.c (str_plugin_gcc_version_name): New.
154         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
155         pass it to the init function.
156         (plugin_default_version_check): New.
158 2009-04-17  Richard Guenther  <rguenther@suse.de>
160         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
161         for decl-vs-decl disambiguation.
163 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
165         * config/s390/s390.h (s390_tune_attr): New macro definition.
166         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
168 2009-04-17  Richard Guenther  <rguenther@suse.de>
170         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
171         (fold_stmt_r): Likewise.
172         (maybe_fold_reference): New function.
173         (fold_gimple_assign): Handle cases fold_stmt_r did.
174         (fold_stmt): Do not use fold_stmt_r.
175         (fold_stmt_inplace): Likewise.
177 2009-04-17  Richard Guenther  <rguenther@suse.de>
179         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
180         (record_equivalences_from_stmt): Remove useless checks and
181         simplifications.
182         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
183         the type is already suitable.
185 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
187         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
189 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
191         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
192         (CMPtype): Define as __gcc_CMPtype.
194 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
196         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
197         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
199 2009-04-17  Richard Guenther  <rguenther@suse.de>
201         PR tree-optimization/39746
202         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
203         special-casing for builtins and static variable use/def.
204         (call_may_clobber_ref_p_1): Likewise.
206 2009-04-16  Ian Lance Taylor  <iant@google.com>
208         * df.h: Include "timevar.h".
209         (struct df_problem): Change tv_id field to timevar_id_t.
210         * tree-pass.h: Include "timevar.h".
211         (struct opt_pass): Change tv_id field to timevar_id_t.
212         * timevar.h (timevar_id_t): Define TV_NONE.
213         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
214         TV_NONE rather than tv_id != 0.
215         (execute_one_pass): Likewise.
216         * Makefile.in (DF_H): Add $(TIMEVAR_H).
217         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
218         dependencies to $(TREE_PASS_H).
219         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
220         to TV_NONE.
221         (pass_branch_target_load_optimize2): Likewise.
222         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
223         (pass_outof_cfg_layout_mode): Likewise.
224         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
225         (pass_rebuild_cgraph_edges): Likewise.
226         (pass_remove_cgraph_callee_edges): Likewise.
227         * df-core.c (pass_df_initialize_opt): Likewise.
228         (pass_df_initialize_no_opt): Likewise.
229         (pass_df_finish): Likewise.
230         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
231         * except.c (pass_set_nothrow_function_flags): Likewise.
232         (pass_convert_to_eh_region_ranges): Likewise.
233         * final.c (pass_compute_alignments): Likewise.
234         * function.c (pass_instantiate_virtual_regs): Likewise.
235         (pass_init_function): Likewise.
236         (pass_leaf_regs): Likewise.
237         (pass_match_asm_constraints): Likewise.
238         * gimple-low.c (pass_lower_cf): Likewise.
239         (pass_mark_used_blocks): Likewise.
240         * init-regs.c (pass_initialize_regs): Likewise.
241         * integrate.c (pass_initial_value_sets): Likewise.
242         * ira.c (pass_ira): Likewise.
243         * jump.c (pass_cleanup_barriers): Likewise.
244         * omp-low.c (pass_expand_omp): Likewise.
245         (pass_lower_omp): Likewise.
246         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
247         * recog.c (pass_split_all_insns): Likewise.
248         (pass_split_after_reload): Likewise.
249         (pass_split_before_regstack): Likewise.
250         (pass_split_before_sched2): Likewise.
251         (pass_split_for_shorten_branches): Likewise.
252         * reginfo.c (pass_reginfo_init): Likewise.
253         (pass_subregs_of_mode_init): Likewise.
254         (pass_subregs_of_mode_finish): Likewise.
255         * passes.c (pass_postreload): Likewise.
256         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
257         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
258         (pass_warn_function_return): Likewise.
259         (pass_warn_function_noreturn): Likewise.
260         * tree-complex.c (pass_lower_complex): Likewise.
261         (pass_lower_complex_O0): Likewise.
262         * tree-if-conv.c (pass_if_conversion): Likewise.
263         * tree-into-ssa.c (pass_build_ssa): Likewise.
264         * tree-mudflap.c (pass_mudflap_1): Likewise.
265         (pass_mudflap_2): Likewise.
266         * tree-nomudflap.c (pass_mudflap_1): Likewise.
267         (pass_mudflap_2): Likewise.
268         * tree-nrv.c (pass_return_slot): Likewise.
269         * tree-object-size.c (pass_object_sizes): Likewise.
270         * tree-optimize.c (pass_all_optimizations): Likewise.
271         (pass_early_local_passes): Likewise.
272         (pass_all_early_optimizations): Likewise.
273         (pass_cleanup_cfg): Likewise.
274         (pass_cleanup_cfg_post_optimizing): Likewise.
275         (pass_free_datastructures): Likewise.
276         (pass_free_cfg_annotations): Likewise.
277         (pass_fixup_cfg): Likewise.
278         (pass_init_datastructures): Likewise.
279         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
280         (pass_late_warn_uninitialized): Likewise.
281         (pass_update_address_taken): Likewise.
282         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
283         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
284         (pass_cse_sincos): Likewise.
285         (pass_convert_to_rsqrt): Likewise.
286         * tree-ssa-structalias.c (pass_build_alias): Likewise.
287         * tree-stdarg.c (pass_stdarg): Likewise.
288         * tree-tailcall.c (pass_tail_recursion): Likewise.
289         (pass_tail_calls): Likewise.
290         * tree-vect-generic.c (pass_lower_vector): Likewise.
291         (pass_lower_vector_ssa): Likewise.
292         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
294 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
296         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
297         XLR entry.
298         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
299         Handle -march=xlr.
300         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
301         logical and signext.
303 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
305         PR target/39767
306         * config/sh/predicates.md (arith_operand): Check if the operand
307         of TRUNCATE is a REG.
309 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
311         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
312         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
314 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
316         * tree-iterator.c (tsi_split_statement_list_after,
317         tsi_split_statement_list_before): Remove.
318         * tree-iterator.h: Remove the prototypes for
319         tsi_split_statement_list_after and tsi_split_statement_list_before.
321 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
323         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
324         * tree-ssa-propagate.h: Remove the prototype for
325         stmt_makes_single_load.
327 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
329         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
330         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
332 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
334         * tree-iterator.c (EXPR_LAST_BODY): Remove.
336 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
338         * except.c (eh_region_outer_p): Remove.
339         * except.h: Remove the prototype for eh_region_outer_p.
341 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
343         * function.c (current_function_assembler_name): Remove.
344         * function.h: Remove the prototype for
345         current_function_assembler_name.
347 2009-04-16  Ian Lance Taylor  <iant@google.com>
349         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
350         (add_reg_note): Call alloc_reg_note.
351         * rtl.h (alloc_reg_note): Declare.
352         * combine.c (try_combine): Use alloc_reg_note.
353         (recog_for_combine, move_deaths): Likewise.
354         (distribute_notes): Use alloc_reg_note and add_reg_note.
355         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
356         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
357         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
359 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
361         PR rtl-optimization/39762
362         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
363         ira_may_move_out_cost): Add comments about way of their usage.
364         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
365         
366         * ira-conflicts.c (process_regs_for_copy): Use function
367         ira_get_register_move_cost instead of global
368         ira_register_move_cost.
370         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
371         color_pass, move_spill_restore, update_curr_costs): Ditto.
373         * ira-lives.c (process_single_reg_class_operands): Ditto.
375         * ira-emit.c (emit_move_list): Ditto.
377         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
378         (record_reg_classes): Ditto.  Use functions
379         ira_get_register_move_cost and ira_get_may_move_cost instead of
380         global vars ira_register_move_cost, ira_may_move_out_cost and
381         ira_may_move_in_cost.
382         (record_address_regs): Don't call ira_init_register_move_cost.
383         Use function ira_get_may_move_cost instead of global
384         ira_may_move_in_cost.
385         (process_bb_node_for_hard_reg_moves): Use function
386         ira_get_register_move_cost instead of global ira_register_move_cost.
387         (ira_costs): Don't call ira_init_register_move_cost.
388         
389 2009-04-16  Richard Guenther  <rguenther@suse.de>
391         * tree-cfg.c (verify_gimple_assign_binary):
392         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
393         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
394         (create_general_new_stmt): Note that this function is broken.
396 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
398         * common.opt (fhelp): Add Var(help_flag).
399         * gcc-plugin.h (plugin_info): Add help.
400         * plugin.c (plugin_name_args): Add help.
401         (register_plugin_info): Set plugin->help.
402         (print_help_one_plugin): New.
403         (print_plugins_help): New.
404         * plugin.h (print_plugins_help): New.
405         * toplev.c (toplev_main): Call print_plugins_help if needed.
407 2009-04-16  Richard Guenther  <rguenther@suse.de>
409         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
410         (gimple_ior_addresses_taken_1): New function.
411         (gimple_ior_addresses_taken): Likewise.
412         * gimple.h (struct gimple_statement_with_ops_base): Remove
413         addresses_taken member.
414         (gimple_ior_addresses_taken): Declare.
415         (gimple_addresses_taken, gimple_addresses_taken_ptr,
416         gimple_set_addresses_taken): Remove.
417         * ipa-reference.c (mark_address): New function.
418         (scan_stmt_for_static_refs): Use it for marking addresses taken.
419         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
420         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
421         (gimple_add_to_addresses_taken): Remove.
422         (get_tmr_operands): Call mark_address_taken.
423         (get_asm_expr_operands): Likewise.
424         (get_expr_operands): Likewise.
425         (build_ssa_operands): Do not clear the addresses_taken bitmap.
426         (free_stmt_operands): Do not free it.
427         * tree-ssa.c (delete_tree_ssa): Likewise.
428         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
430 2009-04-16  Richard Guenther  <rguenther@suse.de>
432         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
433         (walk_stmt_load_store_ops): Likewise.
434         * gimple.c (get_base_loadstore): New function.
435         (walk_stmt_load_store_addr_ops): Likewise.
436         (walk_stmt_load_store_ops): Likewise.
437         * ipa-pure-const.c (check_op): Simplify.
438         (check_load, check_store): New functions.
439         (check_stmt): Use walk_stmt_load_store_ops.
440         * ipa-reference.c (mark_load): Adjust signature.
441         (mark_store): Likewise.
442         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
444 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
446         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
447         (plugin_info): New.
448         * opts.c (common_handle_option): Don't call print_version.
449         * plugin.c (plugin_name_args): Add version.
450         (register_plugin_info): New.
451         (register_callback): Handle PLUGIN_INFO.
452         (try_init_one_plugin): New.
453         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
454         if failed to init.
455         (finalize_one_plugin): New.
456         (finalize_plugins): New.
457         (print_one_plugin): New.
458         (print_plugins_versions): New.
459         * plugin.h (print_plugins_versions): New.
460         (finalize_plugins): New.
461         * toplev.c (compile_file): Don't call initialize_plugins.
462         (print_version): Call print_plugins_versions.
463         (toplev_main): Call initialize_plugins. Print version if needed.
464         Call finalize_plugins.
466 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
468         * common.opt (fversion): New.
469         * gcc.c (print_version): New.
470         (process_command): Don't print the version. Just set print_version.
471         (main): Print version. Call subprocesses if print_version and
472         verbose_flag are set.
473         * opts.c (common_handle_option): Handle OPT_fversion.
475 2009-04-16  Richard Guenther  <rguenther@suse.de>
476             Ira Rosen  <irar@il.ibm.com>
478         PR tree-optimization/39698
479         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
480         type of the reduction variable.  Only generate the def if
481         it is needed.
483         * omp-low.c (expand_omp_for_generic): When converting to a pointer
484         make sure to first convert to an integer of the same precision.
485         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
486         the type of the evolution correctly in computing the new
487         induction variable base.
489 2009-04-16  Richard Guenther  <rguenther@suse.de>
491         PR middle-end/39625
492         * tree-cfg.c (make_blocks): Split statements with to-be
493         abnormal SSA names on the lhs.
495 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
497         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
498         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
499         * c-typeck.c (really_start_incremental_init): Likewise.
500         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
501         (TARGET_INITIALIZER): Remove it.
502         * target.h (struct target): Remove vector_opaque_p.
503         * tree.c (build_opaque_vector_type): New.
504         * tree.h (TYPE_VECTOR_OPAQUE): New.
505         (build_opaque_vector_type): Declare.
506         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
507         * config/rs6000/rs6000.c (build_opaque_vector_type,
508         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
509         (rs6000_init_builtins): Use build_opaque_vector_type for
510         opaque_V4SI_type_node.
512 2009-04-15  Catherine Moore  <clm@codesourcery.com>
514         * debug.h (set_name):  Declare.
515         * dwarf2out.c (dwarf2out_set_name): Declare.
516         (dwarf2_debug_hooks): Add set_name.
517         (find_AT_string): New.
518         (add_AT_string): Call find_AT_string.
519         (dwarf2out_set_name): New.
520         * cp/decl.c (grokdeclarator): Call set_name.
521         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
522         * debug.c (do_nothing_debug_hooks):  Likewise.
523         * dbxout.c (dbx_debug_hooks): Likewise.
524         * sdbout.c (sdb_debug_hooks): Likewise.
526 2009-04-15  Michael Eager <eager@eagercon.com>
528         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
529         reg for single-precision FPU.
530         * config/rs6000/rs6000.md (movsi_internal1): Only for
531         !TARGET_SINGLE_FPU.
532         (movsi_internal1_single): New. Add pattern to move SI values to/from
533         single-precision FP regs.
535 2009-04-15  Richard Guenther  <rguenther@suse.de>
537         * omp-low.c (lower_rec_input_clauses): Build correct address
538         expressions.
539         (expand_omp_for_generic): Fix multiplication type.
540         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
541         (generate_memset_zero): Fix types.
542         * tree-profile.c (prepare_instrumented_value): Correctly
543         widen a pointer.
545 2009-04-15  Ian Lance Taylor  <iant@google.com>
547         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
548         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
549         for -Wall and for -Wc++-compat.
550         (c_common_post_options): For C++, set warn_enum_compare if not
551         already set.
552         * c-tree.h (struct c_expr): Add field original_type.
553         (build_external_ref): Update declaration.
554         * c-parser.c (c_parser_braced_init): Set original_type.
555         (c_parser_initelt): Likewise.
556         (c_parser_expr_no_commas): Likewise.
557         (c_parser_conditional_expression): Likewise.
558         (c_parser_cast_expression): Likewise.
559         (c_parser_unary_expression): Likewise.  Pull setting of
560         original_code to top of function.
561         (c_parser_sizeof_expression): Set original_type.
562         (c_parser_alignof_expression): Likewise.
563         (c_parser_postfix_expression): Likewise.  Pull setting of
564         original_code to top of function.
565         (c_parser_postfix_expression_after_paren_type): Set original_type.
566         (c_parser_postfix_expression_after_primary): Likewise.
567         (c_parser_expression): Likewise.
568         * c-typeck.c (build_external_ref): Add type parameter.  Change all
569         callers.
570         (c_expr_sizeof_expr): Set original_type field.
571         (parser_build_unary_op): Likewise.
572         (parser_build_binary_op): Likewise.  Optionally warn about
573         comparisons of enums of different types.
574         (digest_init): Set original_type field.
575         (really_start_incremental_init): Likewise.
576         (push_init_level, pop_init_level): Likewise.
577         * doc/invoke.texi (Warning Options): -Wenum-compare now
578         supported in C.
580 2009-04-15  Richard Guenther  <rguenther@suse.de>
582         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
583         out a necessary conversion.
584         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
585         names we didn't value number.
586         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
588 2009-04-15  Richard Guenther  <rguenther@suse.de>
590         PR tree-optimization/39764
591         * tree-ssa-ccp.c (get_value): Canonicalize value with
592         canonicalize_float_value.
594 2009-04-15  Jan Hubicka  <jh@suse.cz>
596         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
597         Wrong version of patch.
599 2009-04-15  Jan Hubicka  <jh@suse.cz>
601         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
603 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
605         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
606         our distinct integral and vector types.
608 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
610         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
611         * init.c (build_vtbl_address): Remove call to assemble_external.
613 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
615         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
616         output for other floating point modes.
618 2009-04-14  Diego Novillo  <dnovillo@google.com>
620         * diagnostic.c (diagnostic_report_diagnostic): Do not
621         warn about loaded plugins for DK_ERROR and DK_WARNING.
622         * c-decl.c (declspecs_add_type): Move call to
623         invoke_plugin_callbacks ...
624         * c-parser.c (c_parser_declspecs): ... here.
625         * plugin.c (dump_active_plugins): Tidy output.
627 2009-04-14  Diego Novillo  <dnovillo@google.com>
628             Le-Chun Wu  <lcwu@google.com>
630         * configure.ac: Add --enable-plugin support.
631         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
632         * Makefile.in (PLUGIN_H): Define.
633         Export ENABLE_PLUGIN and GMPINC to site.exp.
634         Add PLUGINLIBS to link command.
635         Add/modify dependencies for plugin.o and files including plugin.h.
636         (plugin.o): New.
637         * config.in: Regenerate.
638         
639         * opts.c (common_handle_option): Handle OPT_fplugin_ and
640         OPT_fplugin_arg_.
642 2009-04-14  Le-Chun Wu  <lcwu@google.com>
644         * tree-pass.h (register_one_dump_file): Add a prototype for
645         register_one_dump_file.
646         * toplev.c (compile_file): Call initialize_plugins.
647         (do_compile): Call invoke_plugin_callbacks.
648         (toplev_main): Call invoke_plugin_callbacks.
649         * common.opt: Add -fplugin= and -fplugin-arg-.
650         * gcc-plugin.h: New public header file for plugins to include.
651         * plugin.c: New source file.
652         * plugin.h: New internal header file.
653         * passes.c (register_one_dump_file): Make it external.
654         
655         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
657 2009-04-14  Diego Novillo  <dnovillo@google.com>
659         * doc/plugins.texi: New.
660         * doc/gccint.texi: Add reference to Plugins chapter.
661         * doc/invoke.texi: Document -fplugin and -fplugin-arg
662         * diagnostic.c (diagnostic_report_diagnostic): Warn about
663         loaded plugins, if any.
664         * timevar.def (TV_PLUGIN_INIT): Define.
665         (TV_PLUGIN_RUN): Define.
666         * plugin.c: Include timevar.h
667         (plugins_active_p): New.
668         (dump_active_plugins): New.
669         (debug_active_plugins): New.
671 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
673         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
674         library paths.
675         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
677 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
679         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
680         the same as a minus without a shift.
682 2009-04-14  Nick Clifton  <nickc@redhat.com>
684         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
685         comparisons with small integers will always produce a short
686         branch.
688 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
690         Merge:
691         2008-12-19  Diego Novillo  <dnovillo@google.com>
693         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
695 2000-04-14  Richard Guenther  <rguenther@suse.de>
697         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
698         verification.
699         (verify_gimple_assign_binary): Likewise.  Handle shifts and
700         rotates correctly.
701         (verify_gimple_phi): Print the mismatched argument position.
702         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
703         Fix types.
704         (vect_update_init_of_dr): Likewise.
705         * matrix-reorg.c (transform_access_sites): Do what the
706         comment suggests.
707         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
709 2009-04-13  Michael Eager <eager@eagercon.com>
711         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
712         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
713         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
714         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
715         remove duplicate config
717 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
719         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
720         file_name:line_number type locator of the call site.
721         
722 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
724         * genautomata.c: Put blank after comma.
725         (automaton_decls): New.
726         (struct unit_usage): Add comments to member next.
727         (store_alt_unit_usage): Keep the list ordered.
728         (unit_present_on_list_p, equal_alternatives_p): New.
729         (check_regexp_units_distribution): Check units distribution
730         correctness correctly.
731         (main): Don't write automata if error is found.  Return correct
732         exit code.
733         
734         * config/m68k/cf.md (cfv4_ds): Remove.
735         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
736         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
738         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
739         power4-load-ext, power4-store, power4-store-update,
740         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
741         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
742         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
743         power4-sqrt, power4-isync): Modify reservation to make correct
744         unit distribution to automata.
746         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
747         power5-store-update, power5-two, power5-three, power5-lmul,
748         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
749         
750 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
752         * except.c (pass_set_nothrow_function_flags): Set name and add
753         TODO_dump_func.
754         (set_nothrow_function_flags): Mention in the dump file when
755         changing a function to nothrow.
757 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
759         PR/39066
760         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
761         instead of unsigned long.
763 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
765         * config/arm/arm.c (return_used_this_function): Remove.
766         (arm_output_function_prologue): Remove use of
767         return_used_this_function.
768         (output_return_instruction): Replace use of
769         return_used_this_function
770         by cfun->machine->return_used_this_function.
771         (arm_output_epilogue): Likewise.
772         (arm_output_function_epilogue): Likewise.
773         (thumb_unexpanded_epilogue): Likewise.
774         * config/arm/arm.h (struct machine_function):
775         New member return_used_this_function.
777 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
779         * doc/install.texi: Correct description of default directory for
780         --with-gxx-include-dir.
782 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
784         * fold-const.c (build_range_check): Properly deal with enumeral and
785         boolean base types.
787 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
789         * doc/invoke.texi (max_gcse_passes): Remove documentation.
790         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
791         * params.h (MAX_GCSE_PASSES): Remove.
792         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
793         in sequence.  Remove ability to run multiple passes.
794         (bypass_jumps): Report run as third CPROP pass.
796 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
798         PR middle-end/39651
799         * except.c (can_throw_external): Look at each insn in a SEQUENCE
800         when deciding whether the whole SEQUENCE can throw.
802 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
804         PR target/39740
805         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
806         offseted label references.
808 2009-04-11  Jan Hubicka  <jh@suse.cz>
810         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
812 2009-04-11  Richard Guenther  <rguenther@suse.de>
814         PR middle-end/39732
815         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
816         return variables as TREE_ADDRESSABLE.
818 2009-04-11  Richard Guenther  <rguenther@suse.de>
820         PR tree-optimization/39713
821         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
822         reference trees have SSA_NAME operands.
824 2009-04-11  Richard Guenther  <rguenther@suse.de>
826         PR c/39712
827         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
828         address expressions.
830 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
832         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
833         match changes in Cygwin 1.7
834         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
835         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
837 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
839         PR tree-optimization/39701
840         * doc/invoke.texi (Optimization Options): Document change in
841         meaning and initialization of -fdelete-null-pointer-checks.
843 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
845         PR middle-end/39701
846         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
848         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
849         here.
851         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
853 2009-04-10  Chao-ying Fu  <fu@mips.com>
855         * doc/tm.texi (Instruction Output): Document
856         TARGET_ASM_FINAL_POSTSCAN_INSN.
857         * target.h (final_postscan_insn): New field in asm_out.
858         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
859         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
860         * final.c (final_scan_insn): Call
861         targetm.asm_out.final_postscan_insn after outputting
862         an asm macro and a normal instruction.
864         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
865         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
866         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
867         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
868         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
870 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
872         PR middle-end/39701
873         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
874         variables as non-NULL even with -fdelete-null-pointer-checks.
876 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
878         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
880 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
882         PR target/39678
883         * config/i386/i386.c (classify_argument): Handle SCmode with
884         (bit_offset % 64) != 0.
886 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
888         * doc/invoke.texi (Optimize Options): Add cross-reference to
889         -Q --help=optimizers examples.
891 2009-04-10  Ben Elliston  <bje@au.ibm.com>
893         PR target/36800
894         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
895         regalign for the reg == fpr and TDmode case.
897 2009-04-09  David Ayers  <ayers@fsfe.org>
899         PR objc/29200
900         * objc/objc-act.c (warn_with_method): Remove helper function.
901         (check_duplicates): Call warning and inform directly.
902         (really_start_method): Likewise.
904 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
906         * expmed.c (expand_divmod): Always use a comparison for a division
907         by a large unsigned integer.
909         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
910         for things others than variables or functions as nonzero.
912 2009-04-09  Nick Clifton  <nickc@redhat.com>
914         * unwind-compat.c: Change copyright header to refer to version
915         3 of the GNU General Public License with version 3.1 of the
916         GCC Runtime Library Exception and to point readers at the
917         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
918         * config/alpha/crtfastmath.c: Likewise.
919         * config/alpha/linux-unwind.h: Likewise.
920         * config/alpha/qrnnd.asm: Likewise.
921         * config/alpha/vms-crt0-64.c: Likewise.
922         * config/alpha/vms-crt0.c: Likewise.
923         * config/alpha/vms-dwarf2.asm: Likewise.
924         * config/alpha/vms-dwarf2eh.asm: Likewise.
925         * config/alpha/vms-psxcrt0-64.c: Likewise.
926         * config/alpha/vms-psxcrt0.c: Likewise.
927         * config/alpha/vms_tramp.asm: Likewise.
928         * config/arc/initfini.c: Likewise.
929         * config/arc/lib1funcs.asm: Likewise.
930         * config/arm/bpabi-v6m.S: Likewise.
931         * config/arm/bpabi.S: Likewise.
932         * config/arm/bpabi.c: Likewise.
933         * config/arm/crti.asm: Likewise.
934         * config/arm/crtn.asm: Likewise.
935         * config/arm/ieee754-df.S: Likewise.
936         * config/arm/ieee754-sf.S: Likewise.
937         * config/arm/lib1funcs.asm: Likewise.
938         * config/arm/libunwind.S: Likewise.
939         * config/arm/linux-atomic.c: Likewise.
940         * config/arm/mmintrin.h: Likewise.
941         * config/arm/pr-support.c: Likewise.
942         * config/arm/unaligned-funcs.c: Likewise.
943         * config/arm/unwind-arm.c: Likewise.
944         * config/arm/unwind-arm.h: Likewise.
945         * config/avr/libgcc.S: Likewise.
946         * config/bfin/crti.s: Likewise.
947         * config/bfin/crtlibid.s: Likewise.
948         * config/bfin/crtn.s: Likewise.
949         * config/bfin/lib1funcs.asm: Likewise.
950         * config/bfin/linux-unwind.h: Likewise.
951         * config/cris/arit.c: Likewise.
952         * config/cris/cris_abi_symbol.c: Likewise.
953         * config/darwin-64.c: Likewise.
954         * config/darwin-crt2.c: Likewise.
955         * config/darwin-crt3.c: Likewise.
956         * config/darwin.h: Likewise.
957         * config/dbxelf.h: Likewise.
958         * config/dfp-bit.c: Likewise.
959         * config/dfp-bit.h: Likewise.
960         * config/elfos.h: Likewise.
961         * config/fixed-bit.c: Likewise.
962         * config/fixed-bit.h: Likewise.
963         * config/fp-bit.c: Likewise.
964         * config/fp-bit.h: Likewise.
965         * config/fr30/crti.asm: Likewise.
966         * config/fr30/crtn.asm: Likewise.
967         * config/fr30/lib1funcs.asm: Likewise.
968         * config/freebsd-spec.h: Likewise.
969         * config/frv/cmovd.c: Likewise.
970         * config/frv/cmovh.c: Likewise.
971         * config/frv/cmovw.c: Likewise.
972         * config/frv/frvbegin.c: Likewise.
973         * config/frv/frvend.c: Likewise.
974         * config/frv/lib1funcs.asm: Likewise.
975         * config/glibc-stdint.h: Likewise.
976         * config/h8300/clzhi2.c: Likewise.
977         * config/h8300/crti.asm: Likewise.
978         * config/h8300/crtn.asm: Likewise.
979         * config/h8300/ctzhi2.c: Likewise.
980         * config/h8300/fixunssfsi.c: Likewise.
981         * config/h8300/lib1funcs.asm: Likewise.
982         * config/h8300/parityhi2.c: Likewise.
983         * config/h8300/popcounthi2.c: Likewise.
984         * config/i386/ammintrin.h: Likewise.
985         * config/i386/att.h: Likewise.
986         * config/i386/avxintrin.h: Likewise.
987         * config/i386/biarch64.h: Likewise.
988         * config/i386/bmmintrin.h: Likewise.
989         * config/i386/cpuid.h: Likewise.
990         * config/i386/cross-stdarg.h: Likewise.
991         * config/i386/crtfastmath.c: Likewise.
992         * config/i386/crtprec.c: Likewise.
993         * config/i386/cygming-crtbegin.c: Likewise.
994         * config/i386/cygming-crtend.c: Likewise.
995         * config/i386/cygwin.asm: Likewise.
996         * config/i386/emmintrin.h: Likewise.
997         * config/i386/gmm_malloc.h: Likewise.
998         * config/i386/gthr-win32.c: Likewise.
999         * config/i386/i386.h: Likewise.
1000         * config/i386/immintrin.h: Likewise.
1001         * config/i386/linux-unwind.h: Likewise.
1002         * config/i386/linux64.h: Likewise.
1003         * config/i386/mm3dnow.h: Likewise.
1004         * config/i386/mmintrin-common.h: Likewise.
1005         * config/i386/mmintrin.h: Likewise.
1006         * config/i386/nmmintrin.h: Likewise.
1007         * config/i386/pmm_malloc.h: Likewise.
1008         * config/i386/pmmintrin.h: Likewise.
1009         * config/i386/smmintrin.h: Likewise.
1010         * config/i386/sol2-c1.asm: Likewise.
1011         * config/i386/sol2-ci.asm: Likewise.
1012         * config/i386/sol2-cn.asm: Likewise.
1013         * config/i386/sol2-gc1.asm: Likewise.
1014         * config/i386/tmmintrin.h: Likewise.
1015         * config/i386/unix.h: Likewise.
1016         * config/i386/w32-unwind.h: Likewise.
1017         * config/i386/wmmintrin.h: Likewise.
1018         * config/i386/x86-64.h: Likewise.
1019         * config/i386/x86intrin.h: Likewise.
1020         * config/i386/xmmintrin.h: Likewise.
1021         * config/ia64/crtbegin.asm: Likewise.
1022         * config/ia64/crtend.asm: Likewise.
1023         * config/ia64/crtfastmath.c: Likewise.
1024         * config/ia64/crti.asm: Likewise.
1025         * config/ia64/crtn.asm: Likewise.
1026         * config/ia64/fde-glibc.c: Likewise.
1027         * config/ia64/lib1funcs.asm: Likewise.
1028         * config/ia64/linux-unwind.h: Likewise.
1029         * config/ia64/quadlib.c: Likewise.
1030         * config/ia64/unwind-ia64.c: Likewise.
1031         * config/linux.h: Likewise.
1032         * config/m32c/m32c-lib1.S: Likewise.
1033         * config/m32c/m32c-lib2-trapv.c: Likewise.
1034         * config/m32c/m32c-lib2.c: Likewise.
1035         * config/m32r/initfini.c: Likewise.
1036         * config/m68hc11/larith.asm: Likewise.
1037         * config/m68hc11/m68hc11-crt0.S: Likewise.
1038         * config/m68k/cf.md: Likewise.
1039         * config/m68k/crti.s: Likewise.
1040         * config/m68k/crtn.s: Likewise.
1041         * config/m68k/lb1sf68.asm: Likewise.
1042         * config/m68k/linux-unwind.h: Likewise.
1043         * config/mcore/crti.asm: Likewise.
1044         * config/mcore/crtn.asm: Likewise.
1045         * config/mcore/lib1.asm: Likewise.
1046         * config/mips/linux-unwind.h: Likewise.
1047         * config/mips/loongson.h: Likewise.
1048         * config/mips/mips16.S: Likewise.
1049         * config/mmix/crti.asm: Likewise.
1050         * config/mmix/crtn.asm: Likewise.
1051         * config/pa/fptr.c: Likewise.
1052         * config/pa/hpux-unwind.h: Likewise.
1053         * config/pa/lib2funcs.asm: Likewise.
1054         * config/pa/linux-atomic.c: Likewise.
1055         * config/pa/linux-unwind.h: Likewise.
1056         * config/pa/milli64.S: Likewise.
1057         * config/pa/quadlib.c: Likewise.
1058         * config/pa/stublib.c: Likewise.
1059         * config/picochip/libgccExtras/adddi3.asm: Likewise.
1060         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
1061         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
1062         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
1063         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
1064         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
1065         * config/picochip/libgccExtras/divmod15.asm: Likewise.
1066         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
1067         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
1068         * config/picochip/libgccExtras/longjmp.asm: Likewise.
1069         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
1070         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
1071         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
1072         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
1073         * config/picochip/libgccExtras/setjmp.asm: Likewise.
1074         * config/picochip/libgccExtras/subdi3.asm: Likewise.
1075         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
1076         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
1077         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
1078         * config/rs6000/750cl.h: Likewise.
1079         * config/rs6000/altivec.h: Likewise.
1080         * config/rs6000/biarch64.h: Likewise.
1081         * config/rs6000/crtresfpr.asm: Likewise.
1082         * config/rs6000/crtresgpr.asm: Likewise.
1083         * config/rs6000/crtresxfpr.asm: Likewise.
1084         * config/rs6000/crtresxgpr.asm: Likewise.
1085         * config/rs6000/crtsavfpr.asm: Likewise.
1086         * config/rs6000/crtsavgpr.asm: Likewise.
1087         * config/rs6000/darwin-asm.h: Likewise.
1088         * config/rs6000/darwin-fallback.c: Likewise.
1089         * config/rs6000/darwin-fpsave.asm: Likewise.
1090         * config/rs6000/darwin-ldouble.c: Likewise.
1091         * config/rs6000/darwin-tramp.asm: Likewise.
1092         * config/rs6000/darwin-unwind.h: Likewise.
1093         * config/rs6000/darwin-vecsave.asm: Likewise.
1094         * config/rs6000/darwin-world.asm: Likewise.
1095         * config/rs6000/e500crtres32gpr.asm: Likewise.
1096         * config/rs6000/e500crtres64gpr.asm: Likewise.
1097         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1098         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1099         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1100         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1101         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1102         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1103         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1104         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1105         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1106         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1107         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1108         * config/rs6000/eabi-ci.asm: Likewise.
1109         * config/rs6000/eabi-cn.asm: Likewise.
1110         * config/rs6000/eabi.asm: Likewise.
1111         * config/rs6000/linux-unwind.h: Likewise.
1112         * config/rs6000/linux64.h: Likewise.
1113         * config/rs6000/paired.h: Likewise.
1114         * config/rs6000/paired.md: Likewise.
1115         * config/rs6000/ppc64-fp.c: Likewise.
1116         * config/rs6000/ppu_intrinsics.h: Likewise.
1117         * config/rs6000/rs6000.h: Likewise.
1118         * config/rs6000/si2vmx.h: Likewise.
1119         * config/rs6000/sol-ci.asm: Likewise.
1120         * config/rs6000/sol-cn.asm: Likewise.
1121         * config/rs6000/spe.h: Likewise.
1122         * config/rs6000/spu2vmx.h: Likewise.
1123         * config/rs6000/sysv4.h: Likewise.
1124         * config/rs6000/tramp.asm: Likewise.
1125         * config/rs6000/vec_types.h: Likewise.
1126         * config/s390/linux-unwind.h: Likewise.
1127         * config/s390/tpf-unwind.h: Likewise.
1128         * config/score/crti.asm: Likewise.
1129         * config/score/crtn.asm: Likewise.
1130         * config/sh/crt1.asm: Likewise.
1131         * config/sh/crti.asm: Likewise.
1132         * config/sh/crtn.asm: Likewise.
1133         * config/sh/divtab-sh4-300.c: Likewise.
1134         * config/sh/divtab-sh4.c: Likewise.
1135         * config/sh/divtab.c: Likewise.
1136         * config/sh/lib1funcs-4-300.asm: Likewise.
1137         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1138         * config/sh/lib1funcs.asm: Likewise.
1139         * config/sh/lib1funcs.h: Likewise.
1140         * config/sh/linux-atomic.asm: Likewise.
1141         * config/sh/linux-unwind.h: Likewise.
1142         * config/sh/shmedia.h: Likewise.
1143         * config/sh/sshmedia.h: Likewise.
1144         * config/sh/ushmedia.h: Likewise.
1145         * config/sparc/crtfastmath.c: Likewise.
1146         * config/sparc/linux-unwind.h: Likewise.
1147         * config/sparc/sol2-c1.asm: Likewise.
1148         * config/sparc/sol2-ci.asm: Likewise.
1149         * config/sparc/sol2-cn.asm: Likewise.
1150         * config/spu/divmodti4.c: Likewise.
1151         * config/spu/divv2df3.c: Likewise.
1152         * config/spu/float_disf.c: Likewise.
1153         * config/spu/float_unsdidf.c: Likewise.
1154         * config/spu/float_unsdisf.c: Likewise.
1155         * config/spu/float_unssidf.c: Likewise.
1156         * config/spu/mfc_multi_tag_release.c: Likewise.
1157         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1158         * config/spu/mfc_tag_release.c: Likewise.
1159         * config/spu/mfc_tag_reserve.c: Likewise.
1160         * config/spu/mfc_tag_table.c: Likewise.
1161         * config/spu/multi3.c: Likewise.
1162         * config/spu/spu_internals.h: Likewise.
1163         * config/spu/spu_intrinsics.h: Likewise.
1164         * config/spu/spu_mfcio.h: Likewise.
1165         * config/spu/vec_types.h: Likewise.
1166         * config/spu/vmx2spu.h: Likewise.
1167         * config/stormy16/stormy16-lib2.c: Likewise.
1168         * config/svr4.h: Likewise.
1169         * config/sync.c: Likewise.
1170         * config/v850/lib1funcs.asm: Likewise.
1171         * config/vxlib-tls.c: Likewise.
1172         * config/vxlib.c: Likewise.
1173         * config/vxworks-dummy.h: Likewise.
1174         * config/xtensa/crti.asm: Likewise.
1175         * config/xtensa/crtn.asm: Likewise.
1176         * config/xtensa/ieee754-df.S: Likewise.
1177         * config/xtensa/ieee754-sf.S: Likewise.
1178         * config/xtensa/lib1funcs.asm: Likewise.
1179         * config/xtensa/lib2funcs.S: Likewise.
1180         * config/xtensa/linux-unwind.h: Likewise.
1181         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1182         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1183         * coretypes.h: Likewise.
1184         * crtstuff.c: Likewise.
1185         * defaults.h: Likewise.
1186         * dwarf2.h: Likewise.
1187         * emutls.c: Likewise.
1188         * gbl-ctors.h: Likewise.
1189         * gcov-io.h: Likewise.
1190         * ginclude/float.h: Likewise.
1191         * ginclude/iso646.h: Likewise.
1192         * ginclude/stdarg.h: Likewise.
1193         * ginclude/stdbool.h: Likewise.
1194         * ginclude/stddef.h: Likewise.
1195         * ginclude/stdfix.h: Likewise.
1196         * ginclude/stdint-gcc.h: Likewise.
1197         * ginclude/tgmath.h: Likewise.
1198         * gthr-aix.h: Likewise.
1199         * gthr-dce.h: Likewise.
1200         * gthr-gnat.c: Likewise.
1201         * gthr-gnat.h: Likewise.
1202         * gthr-lynx.h: Likewise.
1203         * gthr-mipssde.h: Likewise.
1204         * gthr-nks.h: Likewise.
1205         * gthr-posix.c: Likewise.
1206         * gthr-posix.h: Likewise.
1207         * gthr-posix95.h: Likewise.
1208         * gthr-rtems.h: Likewise.
1209         * gthr-single.h: Likewise.
1210         * gthr-solaris.h: Likewise.
1211         * gthr-tpf.h: Likewise.
1212         * gthr-vxworks.h: Likewise.
1213         * gthr-win32.h: Likewise.
1214         * gthr.h: Likewise.
1215         * libgcc2.c: Likewise.
1216         * libgcc2.h: Likewise.
1217         * libgcov.c: Likewise.
1218         * tsystem.h: Likewise.
1219         * typeclass.h: Likewise.
1220         * unwind-c.c: Likewise.
1221         * unwind-compat.h: Likewise.
1222         * unwind-dw2-fde-compat.c: Likewise.
1223         * unwind-dw2-fde-darwin.c: Likewise.
1224         * unwind-dw2-fde-glibc.c: Likewise.
1225         * unwind-dw2-fde.c: Likewise.
1226         * unwind-dw2-fde.h: Likewise.
1227         * unwind-dw2.c: Likewise.
1228         * unwind-dw2.h: Likewise.
1229         * unwind-generic.h: Likewise.
1230         * unwind-pe.h: Likewise.
1231         * unwind-sjlj.c: Likewise.
1232         * unwind.inc: Likewise.
1233         * config/arm/neon-gen.ml: Change generated copyright header to
1234         refer to version 3 of the GNU General Public License with
1235         version 3.1 of the GCC Runtime Library Exception and to point
1236         readers at the COPYING3 and COPYING3.RUNTIME files and the
1237         FSF's license web page.
1238         * config/arm/arm_neon.h: Regenerate.
1240 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1242         * config/cris/cris.md: Change copyright header to refer to version
1243         3 of the GNU General Public License.
1244         * doc/install.texi2html: Change copyright header to refer to version
1245         3 of the GNU General Public License and to point readers at the
1246         COPYING3 file and the FSF's license web page.
1247         * config/vax/linux.h: Likewise.
1249 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1251         * config/i386/i386.md (cmpcc): New.
1252         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1253         (sync_compare_and_swap_cc*): Delete.
1255         * config/s390/s390.c (s390_compare_emitted): Remove.
1256         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1257         s390_compare_emitted used to be handled.  Assert that modes match.
1258         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1259         refer to sync_compare_and_swap_ccsi.
1260         * config/s390/s390.h (s390_compare_emitted): Remove.
1261         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1262         instead of s390_compare_emitted.
1263         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1264         instead of s390_compare_emitted.
1265         * config/s390/s390.md (cmpcc): New.
1266         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1267         CC_REGNUM, do not pretend it's set.
1268         (sync_compare_and_swap_cc*): Delete.
1269         * config/s390/predicates.md (cc_reg_operand): New.
1271         * expr.c (sync_compare_and_swap_cc): Delete.
1272         * optabs.h (sync_compare_and_swap_cc): Delete.
1273         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1274         is being used with can_compare_p.
1275         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1276         (find_cc_set): New.
1277         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1278         look for a MODE_CC set instead.  Use emit_store_flag.
1279         (expand_compare_and_swap_loop): Likewise, with some additional
1280         complication to avoid a force_reg when useless.  Use
1281         emit_cmp_and_jump_insns.
1282         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1283         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1284         sync_compare_and_swap documentation.
1286 2009-04-09  Jan Hubicka  <jh@suse.cz>
1288         * except.c (find_prev_try): Break out from ....
1289         (duplicate_eh_regions): ... here; properly update prev_try pointers
1290         when duplication part of tree.
1291         (dump_eh_tree): Improve dumping.
1292         (verify_eh_region): New.
1293         (verify_eh_tree): Use it.
1295 2009-04-06  Richard Guenther  <rguenther@suse.de>
1297         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1298         &ARRAY addresses by adjusting their types and prepending
1299         a conversion.
1300         * tree-cfg.c (verify_gimple_assign_single): Verify that
1301         addresses are correct.
1303 2009-04-09  Richard Guenther  <rguenther@suse.de>
1305         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1306         indices into an array reference if possible.
1307         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1308         Fold POINTER_PLUS_EXPR statements with invariant address.
1310 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1312         PR target/39634
1313         * config.gcc (powerpc64-*-linux*): Always build biarch.
1315 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1317         PR c/39613
1318         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1319         it and pedwarn if this results in an INTEGER_CST.
1321 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1323         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1324         text in MPFR section.
1326 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1328         * dwarf2out.c (class_scope_p): New static inline.
1329         (class_or_namespace_scope_p): Use it.
1330         (gen_variable_die): Use DW_TAG_member tag for static data member
1331         declarations instead of DW_TAG_variable.
1333         PR middle-end/39573
1334         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1335         variables.
1337 2009-04-08  Richard Guenther  <rguenther@suse.de>
1339         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1340         valueize random data.
1342 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1344         * config.gcc (aix tm_file):  Add aix-stdint.h.
1345         (aix tm clause use_gcc_stdint):  Set to wrap.
1346         * config/rs6000/aix-stdint.h:  New file.
1347         
1348 2009-04-08  Richard Guenther  <rguenther@suse.de>
1350         PR middle-end/36291
1351         * tree-dfa.c (add_referenced_var): Do not recurse into
1352         global initializers.
1353         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1354         exposed variables.
1355         (fold_const_aggregate_ref): Likewise.
1357 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1359         * recog.c (ordered_comparison_operator): New.
1360         * gensupport.c (std_preds): Add it.
1361         * doc/md.texi (Machine-Independent Predicates): Document it.
1363 2009-04-08  Jan Hubicka  <jh@suse.cz>
1365         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1366         * function.h (rtl_eh): Remove exception_handler_label_map.
1367         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1368         remove_exception_handler_label, for_each_eh_label_1): Remove.
1369         (rtl_remove_unreachable_regions): Remove.
1370         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1371         (find_exception_handler_labels): Don't build the hashtable.
1372         (maybe_remove_eh_handler): Remove.
1373         (for_each_eh_label): Rewrite to walk the tree.
1374         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1375         * except.h (maybe_remove_eh_handler): Remove.
1376         * passes.c (init_optimization_passes): Schedule second EH cleanup
1377         before out-of-ssa.
1378         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1379         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1381 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1383         * genoutput.c (validate_optab_operands): New.
1384         (gen_insn, gen_expand): Call it.
1386         * genflags.c (gen_insn): Detect misused iterators.
1387         (main): Pass line_no to gen_insn, exit with status 1 on error.
1389         * genextract.c (line_no): Make global.
1390         (VEC_safe_set_locstr): Change assertion to error message.
1391         (main): Exit with status 1 on error.
1393 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1395         PR c/39614
1396         PR c/39673
1397         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1398         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1399         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1400         * c-convert.c (convert): Do not call fold on results of conversion
1401         functions when the result is a C_MAYBE_CONST_EXPR.
1402         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1403         of __builtin_choose_expr.
1404         * c-typeck.c (remove_c_maybe_const_expr): New.
1405         (build_unary_op, build_conditional_expr, build_compound_expr,
1406         build_binary_op, c_objc_common_truthvalue_conversion): Call
1407         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1408         integer operands.
1410 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1412         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1413         CODE to produce a new one. Add a prototype to use fold_convert_const
1415 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1417         PR bootstrap/39660
1418         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1419         mix declarations and code.
1421 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1423         * gcc.c: Replace `CC' with `GCC' throughout.
1425 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1427         * doc/invoke.texi: Document Atom support.
1429 2009-04-07  Jason Merrill  <jason@redhat.com>
1431         PR c++/25185
1432         * c-common.h, c-common.c: Add flag_pretty_templates.
1433         * c-opts.c (c_common_handle_option): Set it.
1434         * c.opt: Add -fno-pretty-templates.
1435         * doc/invoke.texi (C++ Dialect Options): Likewise.
1437 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1439         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1440         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1441         (ia64_expand_builtin): Likewise.
1443 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1445         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1446         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1447         ADDR_EXPRS are include too.
1449 2009-04-07  Richard Guenther  <rguenther@suse.de>
1451         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1452         decls are only used if passes as parameters or if they are
1453         local statics and the call is not to a builtin.
1454         (call_may_clobber_ref_p_1): Likewise.
1456 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1458         * expr.c (do_store_flag): Remove last argument.  Simplify code
1459         to avoid duplication of tests already done by can_compare_p.
1460         (expand_expr_real_1): Adjust caller.
1462 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1464         * optabs.c (can_compare_p): Test the predicate of a
1465         cbranch and cstore pattern.
1467 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1469         * expr.c (convert_move): Use emit_store_flag instead of
1470         "emulating" it.
1472 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1474         * config/i386/i386.c (ix86_compare_emitted): Remove.
1475         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1476         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1477         * config/i386/i386.h (ix86_compare_emitted): Remove.
1478         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1479         instead of ix86_compare_emitted.
1480         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1482 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1484         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1485         Add t-sysroot-suffix to tmake_file.
1486         * config/print-sysroot-suffix.sh: New file.
1487         * config/t-sysroot-suffix: New file.
1489 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1491         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1492         as the latter produces a warning when the target does not support
1493         infinity.
1495 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1497         * dfp.c: Replace type punning assignments with memcpy throughout.
1498         * Makefile.in (dfp.o-warn): Remove.
1499         
1500 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1502         PR target/39634
1503         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1504         Include soft-fp/t-softfp after rs6000/t-linux64.
1506 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1508         * stor-layout.c (set_sizetype): Use the full precision of their
1509         machine mode for bitsize types.
1511 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1513         * config/i386/i386.md: Revert 2 accidental checkins.
1515 2009-04-06  Joey Ye  <joey.ye@intel.com>
1516             Xuepeng Guo <xuepeng.guo@intel.com>
1517             H.J. Lu  <hongjiu.lu@intel.com>
1519         Atom pipeline model, tuning and insn selection.
1520         * config.gcc (atom): Add atom config options and target.
1522         * config/i386/atom.md: New.
1524         * config/i386/i386.c (atom_cost): New cost.
1525         (m_ATOM): New macro flag.
1526         (initial_ix86_tune_features): Set m_ATOM.
1527         (x86_accumulate_outgoing_args): Likewise.
1528         (x86_arch_always_fancy_math_387): Likewise.
1529         (processor_target): Add Atom cost.
1530         (cpu_names): Add Atom cpu name.
1531         (override_options): Set Atom ISA.
1532         (ix86_issue_rate): New case PROCESSOR_ATOM.
1533         (ix86_adjust_cost): Likewise.
1535         * config/i386/i386.h (TARGET_ATOM): New target macro.
1536         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1537         (TARGET_OPT_AGU): New target option.
1538         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1539         (processor_type): Add PROCESSOR_ATOM.
1541         * config/i386/i386.md (cpu): Add new value "atom".
1542         (use_carry, movu): New attr.
1543         (atom.md): Include atom.md.
1544         (adddi3_carry_rex64): Set attr "use_carry".
1545         (addqi3_carry): Likewise.
1546         (addhi3_carry): Likewise.
1547         (addsi3_carry): Likewise.
1548         (*addsi3_carry_zext): Likewise.
1549         (subdi3_carry_rex64): Likewise.
1550         (subqi3_carry): Likewise.
1551         (subhi3_carry): Likewise.
1552         (subsi3_carry): Likewise.
1553         (x86_movdicc_0_m1_rex64): Likewise.
1554         (*x86_movdicc_0_m1_se): Likewise.
1555         (x86_movsicc_0_m1): Likewise.
1556         (*x86_movsicc_0_m1_se): Likewise.
1557         (*adddi_1_rex64): Emit add insn as much as possible.
1558         (*addsi_1): Likewise.
1559         (return_internal): Set atom_unit.
1560         (return_internal_long): Likewise.
1561         (return_pop_internal): Likewise.
1562         (*rcpsf2_sse): Set atom_sse_attr attr.
1563         (*qrt<mode>2_sse): Likewise.
1564         (*prefetch_sse): Likewise.
1566         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1567         PROCESSOR_ATOM.
1568         (ix86_target_macros_internal): Likewise.
1570         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1571         (*prefetch_sse_rex): Likewise.
1572         (sse_rcpv4sf2): Likewise.
1573         (sse_vmrcpv4sf2): Likewise.
1574         (sse_sqrtv4sf2): Likewise.
1575         (<sse>_vmsqrt<mode>2): Likewise.
1576         (sse_ldmxcsr): Likewise.
1577         (sse_stmxcsr): Likewise.
1578         (*sse_sfence): Likewise.
1579         (sse2_clflush): Likewise.
1580         (*sse2_mfence): Likewise.
1581         (*sse2_lfence): Likewise.
1582         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1583         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1584         (avx_movdqu<avxmodesuffix>): Likewise.
1585         (avx_lddqu<avxmodesuffix>): Likewise.
1586         (sse2_movntv2di): Change attr "type" to "ssemov".
1587         (sse2_movntsi): Likewise.
1588         (rsqrtv8sf2): Change attr "type" to "sseadd".
1589         (sse3_addsubv2df3): Set attr "atom_unit".
1590         (sse3_h<plusminus_insn>v4sf3): Likewise.
1591         (*sse2_pmaddwd): Likewise.
1592         (*vec_extractv2di_1_rex64): Likewise.
1593         (*vec_extractv2di_1_avx): Likewise.
1594         (sse2_psadbw): Likewise.
1595         (ssse3_phaddwv8hi3): Likewise.
1596         (ssse3_phaddwv4hi3): Likewise.
1597         (ssse3_phadddv4si3): Likewise.
1598         (ssse3_phadddv2si3): Likewise.
1599         (ssse3_phaddswv8hi3): Likewise.
1600         (ssse3_phaddswv4hi3): Likewise.
1601         (ssse3_phsubwv8hi3): Likewise.
1602         (ssse3_phsubwv4hi3): Likewise.
1603         (ssse3_phsubdv4si3): Likewise.
1604         (ssse3_phsubdv2si3): Likewise.
1605         (ssse3_phsubswv8hi3): Likewise.
1606         (ssse3_phsubswv4hi3): Likewise.
1607         (ssse3_pmaddubsw128): Likewise.
1608         (sse3_pmaddubsw: Likewise.
1609         (ssse3_palignrti): Likewise.
1610         (ssse3_palignrdi): Likewise.
1612 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1614         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1616 2009-04-06  Richard Guenther  <rguenther@suse.de>
1618         PR tree-optimization/28868
1619         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1620         of which PHI results we inserted.
1621         (insert_into_preds_of_block): Record inserted PHIs.
1622         (eliminate): Eliminate redundant PHI nodes.
1623         (init_pre): Init inserted_phi_names.
1625 2009-04-06  Richard Guenther  <rguenther@suse.de>
1627         PR tree-optimization/39643
1628         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1629         IMAGPART_EXPRs of complex constants.
1630         (execute_fold_all_builtins): If we folded a call queue
1631         TODO_update_address_taken.
1633 2009-04-06  Jan Hubicka  <jh@suse.cz>
1635         PR middle-end/39659
1636         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1637         flag.
1639 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1641         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1642         delay slot.
1643         (ic_invalidate_array): Likewise.
1645 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1647         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1648         alignment for library calls.
1650 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1652         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1653         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1654         * config/i386/mingw-stdint.h:  New file.
1656 2009-04-05  Richard Guenther  <rguenther@suse.de>
1658         PR tree-optimization/39648
1659         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1660         our &A vs. &A[0] IL deficiencies.
1662 2009-04-04  Jan Hubicka  <jh@suse.cz>
1664         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1665         removed toplevel regions.
1666         (sjlj_mark_call_sites): Likewise.
1668 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1670         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1671         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1672         * config/i386/cygwin-stdint.h:  New file.
1674 2009-04-04  Richard Guenther  <rguenther@suse.de>
1676         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1677         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1678         single-argument PHIs if we are in loop-closed SSA form.
1679         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1680         for the pre-condition.
1681         (slpeel_tree_peel_loop_to_edge): Likewise.
1682         (vect_build_loop_niters): Take an optional sequence to append stmts.
1683         (vect_generate_tmps_on_preheader): Likewise.
1684         (vect_do_peeling_for_loop_bound): Take extra guards for the
1685         pre-condition.
1686         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1687         the cost model check.
1688         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1689         guards if we are going to peel.  Do not apply versioning in that case.
1690         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1691         (vect_do_peeling_for_loop_bound): Likewise.
1692         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1693         loop bound only record extra pre-conditions, do not apply loop
1694         versioning.
1696 2009-04-04  Richard Guenther  <rguenther@suse.de>
1698         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1699         renaming code.
1701 2009-04-04  Jan Hubicka  <jh@suse.cz>
1703         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1704         last_basic_block for size of bb->index indexed array.
1705         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1706         compute_out, link_btr_uses, build_btr_def_use_webs,
1707         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1709 2009-04-04  Jan Hubicka  <jh@suse.cz>
1711         * except.c (remove_eh_handler_and_replace): Break out from ...
1712         (remove_eh_handler): ... here.
1713         (bring_to_root): New function.
1714         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1715         handled ones, bring others to root of tree.
1717 2009-04-04  Jan Hubicka  <jh@suse.cz>
1719         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1720         (all_phis_safe_to_merge): New function.
1721         (update_info): New structure.
1722         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1723         (cleanup_empty_eh): Update SSA if possible.
1725 2009-04-04  Richard Guenther  <rguenther@suse.de>
1727         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1728         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1729         (append_vuse): Likewise.
1731 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1733         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1734         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1735         instead of REG_UNSAVED for DW_CFA_undefined.
1736         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1737         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1738         outermost frame.
1740 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1742         PR target/39501
1743         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1744         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1745         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1747 2009-04-04  Richard Guenther  <rguenther@suse.de>
1749         PR tree-optimization/8781
1750         PR tree-optimization/37892
1751         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1752         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1753         (valueize_refs): Call it for *& valueizations.
1754         (shared_reference_ops_from_ref): Rename to ...
1755         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1756         (shared_reference_ops_from_call): Rename to ...
1757         (valueize_shared_reference_ops_from_call): ... this and valueize.
1758         (vn_reference_lookup): Update.
1759         (visit_reference_op_call): Likewise.
1760         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1761         (eliminate): Value-replace the call address in call statements.
1763 2009-04-04  Richard Guenther  <rguenther@suse.de>
1765         PR tree-optimization/39636
1766         * tree-ssa-forwprop.c
1767         (forward_propagate_addr_into_variable_array_index): Check for
1768         GIMPLE_ASSIGN before accessing the rhs code.
1770 2009-04-03  Jason Merrill  <jason@redhat.com>
1772         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1774 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1776         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1777         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1778         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1779         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1780         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1781         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1782         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1783         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1784         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1785         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1786         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1787         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1788         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1789         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1790         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1791         Use fr_reg_or_fp01_operand instead of fr_register_operand
1793         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1794         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1795         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1797 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1799         PR rtl-optimization/39607
1800         PR rtl-optimization/39631
1802         Revert:
1803         
1804         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1805         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1806         instead of DF_LR_OUT.
1807         * ira-lives.c (process_bb_node_lives): Ditto.
1808         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1809         instead of DF_LR_{OUT,IN}.
1810         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1811         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1813 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1815         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1816         (execute_lower_omp): Always run but take the short way out if -fopenmp
1817         is not given.
1818         (gate_lower_omp): Remove, forcing the pass manager to always run the
1819         pass and always set PROP_gimple_lomp.
1820         (pass_lower_omp): Remove gate function.
1821         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1822         PROP_trees.  Instead, require it.
1823         * ipa-cp.c (pass_ipa_cp): Likewise.
1824         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1825         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1826         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1827         and PROP_gimple_leh.
1829 2009-04-03  Richard Guenther  <rguenther@suse.de>
1831         PR middle-end/13146
1832         PR tree-optimization/23940
1833         PR tree-optimization/33237
1834         PR middle-end/33974
1835         PR middle-end/34093
1836         PR tree-optimization/36201
1837         PR tree-optimization/36230
1838         PR tree-optimization/38049
1839         PR tree-optimization/38207
1840         PR tree-optimization/38230
1841         PR tree-optimization/38301
1842         PR tree-optimization/38585
1843         PR middle-end/38895
1844         PR tree-optimization/38985
1845         PR tree-optimization/39299
1846         * tree-ssa-structalias.h: Remove.
1847         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1848         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1849         (struct vuse_element_d): Remove.
1850         (struct vuse_vec_d): Likewise.
1851         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1852         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1853         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1854         VUSE_ELEMENT_VAR): Likewise.
1855         (struct voptype_d): Likewise.
1856         (NUM_VOP_FREE_BUCKETS): Likewise.
1857         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1858         (struct stmt_operands_d): Remove.
1859         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1860         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1861         VDEF_NUM, VDEF_VECT): Likewise.
1862         (copy_virtual_operands): Remove.
1863         (operand_build_cmp): Likewise.
1864         (create_ssa_artificial_load_stmt): Likewise.
1865         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1866         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1867         vuse_index and mayuse_index members.  Pack and move done and iter_type
1868         members to the front.
1869         (SSA_OP_VMAYUSE): Remove.
1870         (SSA_OP_VIRTUAL_USES): Adjust.
1871         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1872         (unlink_stmt_vdef): Declare.
1873         (add_to_addressable_set): Remove.
1874         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1875         (vrp_visit_stmt): Likewise.
1876         * doc/tree-ssa.texi (Alias analysis): Update.
1877         * doc/invoke.texi (max-aliased-vops): Remove docs.
1878         (avg-aliased-vops): Likewise.
1879         * tree-into-ssa.c (syms_to_rename): Remove.
1880         (need_to_update_vops_p): Likewise.
1881         (need_to_initialize_update_ssa_p): Rename to ...
1882         (update_ssa_initialized_fn): ... this.  Track function we are
1883         initialized for.
1884         (symbol_marked_for_renaming): Simplify.
1885         (add_new_name_mapping): Do not set need_to_update_vops_p.
1886         (dump_currdefs): Use SYMS_TO_RENAME.
1887         (rewrite_update_stmt): Always walk all uses/defs.
1888         (dump_update_ssa): Adjust.
1889         (init_update_ssa): Take function argument.  Track what we are
1890         initialized for.
1891         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1892         (create_new_def_for): Initialize for cfun, assert we are initialized
1893         for cfun.
1894         (mark_sym_for_renaming): Simplify.
1895         (mark_set_for_renaming): Do not initialize update-ssa.
1896         (need_ssa_update_p): Simplify.  Take function argument.
1897         (name_mappings_registered_p): Assert we ask for the correct function.
1898         (name_registered_for_update_p): Likewise.
1899         (ssa_names_to_replace): Likewise.
1900         (release_ssa_name_after_update_ssa): Likewise.
1901         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1902         (dump_decl_set): Do not print a newline.
1903         (debug_decl_set): Do it here.
1904         (dump_update_ssa): And here.
1905         * tree-ssa-loop-im.c (move_computations): Adjust.
1906         (movement_possibility): Likewise.
1907         (determine_max_movement): Likewise.
1908         (gather_mem_refs_stmt): Likewise.
1909         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1910         or NAME_MEMORY_TAG.
1911         * tree-complex.c (update_all_vops): Remove.
1912         (expand_complex_move): Adjust.
1913         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1914         Simplify test for memory referencing statement.  Exclude
1915         non-invariant ADDR_EXPRs.
1916         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1917         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1918         (rdg_flag_uses): Likewise.
1919         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1920         related code.
1921         (tree_optimize_tail_calls_1): Also split the
1922         edge from the entry block if we have degenerate PHI nodes in
1923         the first basic block.
1924         * tree.c (init_ttree): Remove memory-tag related code.
1925         (tree_code_size): Likewise.
1926         (tree_node_structure): Likewise.
1927         (build7_stat): Re-write to be build6_stat.
1928         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1929         (SSA_VAR_P): Adjust.
1930         (struct tree_memory_tag): Remove.
1931         (struct tree_memory_partition_tag): Likewise.
1932         (union tree_node): Adjust.
1933         (build7): Re-write to be build6.
1934         * tree-pass.h (pass_reset_cc_flags): Remove.
1935         (TODO_update_address_taken): New flag.
1936         (pass_simple_dse): Remove.
1937         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1938         * params.h (MAX_ALIASED_VOPS): Remove.
1939         (AVG_ALIASED_VOPS): Likewise.
1940         * omp-low.c (expand_omp_taskreg): Update SSA form.
1941         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1942         aliases the lhs in a copy stmt.
1943         * tree-ssa-dse.c (struct address_walk_data): Remove.
1944         (memory_ssa_name_same): Likewise.
1945         (memory_address_same): Likewise.
1946         (get_kill_of_stmt_lhs): Likewise.
1947         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1948         unused stores.  Look through PHI nodes into post-dominated regions.
1949         (dse_optimize_stmt): Simplify.  Properly remove stores.
1950         (tree_ssa_dse): Compute dominators.
1951         (execute_simple_dse): Remove.
1952         (pass_simple_dse): Likewise.
1953         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1954         gimple_loaded_syms and gimple_stored_syms computation.
1955         * toplev.c (dump_memory_report): Dump alias and pta stats.
1956         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1957         (vn_reference_eq): Likewise.
1958         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1959         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1960         valueize_vuses): Remove.
1961         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1962         (get_def_ref_stmt_vuse): ... this.
1963         (vn_reference_lookup_2): New function.
1964         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1965         walking equivalent vuses.  Simplify.
1966         (vn_reference_lookup): Likewise.
1967         (vn_reference_insert): Likewise.
1968         (vn_reference_insert_pieces): Likewise.
1969         (visit_reference_op_call): Simplify.
1970         (visit_reference_op_load): Likewise.
1971         (visit_reference_op_store): Likewise.
1972         (init_scc_vn): Remove shared_lookup_vuses initialization.
1973         (free_scc_vn): Remove shared_lookup_vuses freeing.
1974         (sort_vuses, sort_vuses_heap): Remove.
1975         (get_ref_from_reference_ops): Export.
1976         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1977         vector with single vuse pointer.
1978         (vn_reference_lookup_pieces, vn_reference_lookup,
1979         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1980         (shared_vuses_from_stmt): Remove.
1981         (get_ref_from_reference_ops): Declare.
1982         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1983         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1984         memory-tag related code.
1985         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1986         (likely_value): Add comment, skip static-chain of call statements.
1987         (surely_varying_stmt_p): Adjust.
1988         (gimplify_and_update_call_from_tree): Likewise.
1989         (execute_fold_all_builtins): Do not rebuild alias info.
1990         (gimplify_and_update_call_from_tree): Properly update VOPs.
1991         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1992         (copy_ref_info): Remove memory-tag related code.
1993         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1994         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1995         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1996         computation.
1997         * tree-ssa-dom.c (gimple_p): Remove typedef.
1998         (eliminate_redundant_computations): Adjust.
1999         (record_equivalences_from_stmt): Likewise.
2000         (avail_expr_hash): Likewise.
2001         (avail_expr_eq): Likewise.
2002         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
2003         (stmt_makes_single_load): Likewise.
2004         (stmt_makes_single_store): Likewise.
2005         * tree-ssa-alias.c: Rewrite completely.
2006         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
2007         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
2008         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
2009         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
2010         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
2011         Remove public functions.
2012         (pass_reset_cc_flags): Remove.
2013         (pass_build_alias): Move ...
2014         * tree-ssa-structalias.c (pass_build_alias): ... here.
2015         * tree-ssa-alias.c (may_be_aliased): Move ...
2016         * tree-flow-inline.h (may_be_aliased): ... here.
2017         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
2018         count_uses_and_derefs): Move ...
2019         * gimple.c: ... here.
2020         * gimple.h (count_uses_and_derefs): Declare.
2021         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
2022         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
2023         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
2024         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
2025         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
2026         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
2027         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
2028         New functions.
2029         * tree-dfa.c (refs_may_alias_p): Move ...
2030         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
2031         * tree-ssa-alias.h: New file.
2032         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
2033         (statement_sink_location): Likewise.
2034         * opts.c (decode_options): Do not adjust max-aliased-vops or
2035         avg-aliased-vops values.
2036         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
2037         (TV_CALL_CLOBBER): Likewise.
2038         (TV_FLOW_SENSITIVE): Likewise.
2039         (TV_FLOW_INSENSITIVE): Likewise.
2040         (TV_MEMORY_PARTITIONING): Likewise.
2041         (TV_ALIAS_STMT_WALK): New timevar.
2042         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
2043         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
2044         (get_address_description): Remove memory-tag related code.
2045         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
2046         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
2047         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
2048         and immediate uses in statements.  Document.
2049         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
2050         (dump_symbols): Remove.
2051         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
2052         * alias.c (get_deref_alias_set): New function split out from ...
2053         (get_alias_set): ... here.
2054         * alias.h (get_deref_alias_set): Declare.
2055         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
2056         type parameter.  Remove restrict pointer handling.  Create a
2057         ref-all pointer in case type-based alias sets do not conflict.
2058         (vect_analyze_data_refs): Remove SMT related code.
2059         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
2060         (vectorizable_load): Likewise.
2061         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
2062         (DR_SYMBOL_TAG, DR_VOPS): Remove.
2063         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
2064         Ignore vops and SMTs.
2065         (dr_analyze_alias): Likewise..
2066         (free_data_ref): Likewise.
2067         (create_data_ref): Likewise.
2068         (analyze_all_data_dependences): Likewise.
2069         (get_references_in_stmt): Adjust.
2070         * tree-flow-inline.h (gimple_aliases_computed_p,
2071         gimple_addressable_vars, gimple_call_clobbered_vars,
2072         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
2073         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
2074         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
2075         gimple_mem_ref_stats): Remove.
2076         (gimple_vop): New function.
2077         (op_iter_next_use): Remove vuses and mayuses cases.
2078         (op_iter_next_def): Remove vdefs case.
2079         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
2080         (clear_and_done_ssa_iter): Do not set removed fields.
2081         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
2082         Assert we are not iterating over vuses or vdefs if not also
2083         iterating over uses or defs.
2084         (op_iter_init_use): Likewise.
2085         (op_iter_init_def): Likewise.
2086         (op_iter_next_vdef): Remove.
2087         (op_iter_next_mustdef): Likewise.
2088         (op_iter_init_vdef): Likewise.
2089         (compare_ssa_operands_equal): Likewise.
2090         (link_use_stmts_after): Handle vuse operand.
2091         (is_call_used): Use is_call_clobbered.
2092         (is_call_clobbered): Global variables are always call clobbered,
2093         query the call-clobbers bitmap.
2094         (mark_call_clobbered): Ignore global variables.
2095         (clear_call_clobbered): Likewise.
2096         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2097         virtual operands sanity check.
2098         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2099         Remove.
2100         (TARGET_MEM_REF): Remove TMR_TAG operand.
2101         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2102         Remove call-clobber related code.
2103         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2104         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2105         partitions or escape reason.
2106         (get_single_def_stmt, get_single_def_stmt_from_phi,
2107         get_single_def_stmt_with_phi): Remove.
2108         (dump_referenced_vars): Tidy.
2109         (get_ref_base_and_extent): Allow bare decls.
2110         (collect_dfa_stats): Adjust.
2111         * graphite.c (rename_variables_in_stmt): Adjust.
2112         (graphite_copy_stmts_from_block): Likewise.
2113         (translate_clast): Likewise.
2114         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2115         (EXPR_DIES): New.
2116         (translate_vuse_through_block): Use the oracle.
2117         (phi_translate_1): Adjust.
2118         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2119         in EXPR_DIES.
2120         (valid_in_sets): Check if the VUSE for
2121         a REFERENCE is available.
2122         (eliminate): Do not remove stmts during elimination,
2123         instead queue and remove them afterwards.
2124         (do_pre): Do not rebuild alias info.
2125         (pass_pre): Run TODO_rebuild_alias before PRE.
2126         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2127         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2128         (mark_all_v_defs_stmt): Remove.
2129         (mark_all_v_defs_seq): Adjust.
2130         (sra_replace): Likewise.
2131         (scalarize_use): Likewise.
2132         (scalarize_copy): Likewise.
2133         (scalarize_init): Likewise.
2134         (scalarize_ldst): Likewise.
2135         (todoflags): Remove.
2136         (tree_sra): Do not rebuild alias info.
2137         (tree_sra_early): Adjust.
2138         (pass_sra): Run TODO_update_address_taken before SRA.
2139         * tree-predcom.c (set_alias_info): Remove.
2140         (prepare_initializers_chain): Do not call it.
2141         (mark_virtual_ops_for_renaming): Adjust.
2142         (mark_virtual_ops_for_renaming_list): Remove.
2143         (initialize_root_vars): Adjust.
2144         (initialize_root_vars_lm): Likewise.
2145         (prepare_initializers_chain): Likewise.
2146         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2147         (may_propagate_copy_into_stmt): Likewise.
2148         (merge_alias_info): Do nothing for now.
2149         (propagate_tree_value_into_stmt): Adjust.
2150         (stmt_may_generate_copy): Likewise.
2151         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2152         not mark symbols for renaming.
2153         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2154         with the same statement, make sure to update the new pointed-to one.
2155         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2156         call statements, do not mark symbols for renaming.
2157         (mark_operand_necessary): Dump something.
2158         (ref_may_be_aliased): New function.
2159         (mark_aliased_reaching_defs_necessary_1): New helper function.
2160         (mark_aliased_reaching_defs_necessary): Likewise.
2161         (mark_all_reaching_defs_necessary_1): Likewise.
2162         (mark_all_reaching_defs_necessary): Likewise.
2163         (propagate_necessity): Do not process virtual PHIs.  For
2164         non-aliased loads mark all reaching definitions as necessary.
2165         For aliased loads and stores mark the immediate dominating
2166         aliased clobbers as necessary.
2167         (visited): New global static.
2168         (perform_tree_ssa_dce): Free visited bitmap after propagating
2169         necessity.
2170         (remove_dead_phis): Perform simple dead virtual PHI removal.
2171         (remove_dead_stmt): Properly unlink virtual operands when
2172         removing stores.
2173         (eliminate_unnecessary_stmts): Schedule PHI removal after
2174         stmt removal.
2175         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2176         (process_replaceable): Likewise.
2177         (find_replaceable_in_bb): Likewise.
2178         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2179         based on the single gimple vop.
2180         (verify_flow_insensitive_alias_info): Remove.
2181         (verify_flow_sensitive_alias_info): Likewise.
2182         (verify_call_clobbering): Likewise.
2183         (verify_memory_partitions): Likewise.
2184         (verify_alias_info): Likewise.
2185         (verify_ssa): Adjust..
2186         (execute_update_addresses_taken): Export.  Update SSA
2187         manually.  Optimize only when optimizing.  Use a local bitmap.
2188         (pass_update_address_taken): Remove TODO_update_ssa, add
2189         TODO_dump_func.
2190         (pass_update_address_taken): Just use TODO_update_address_taken.
2191         (init_tree_ssa): Do not initialize addressable_vars.
2192         (verify_ssa): Verify new VUSE / VDEF properties.
2193         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2194         Do not call verify_alias_info.
2195         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2196         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2197         and callused solutions.  Do not free addressable_vars.
2198         Remove memory-tag related code.
2199         (warn_uninitialized_var): Aliases are always available.
2200         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2201         * lambda-code.c (can_put_in_inner_loop): Adjust.
2202         (can_put_after_inner_loop): Likewise.
2203         (perfect_nestify): Likewise.
2204         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2205         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2206         (vectorizable_conversion): Do not mark symbols for renaming.
2207         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2208         (expand_call_inline): Unlink the calls virtual operands before
2209         replacing it.
2210         (tree_function_versioning): Do not call update_ssa if we are not
2211         updating clones.  Simplify.
2212         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2213         (propagate_with_phi): Likewise..
2214         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2215         clobber code.  Assert we are not aliased or global.
2216         * tree-flow.h: Include tree-ssa-alias.h
2217         (enum escape_type): Remove.
2218         (struct mem_sym_stats_d): Likewise.
2219         (struct mem_ref_stats_d): Likewise.
2220         (struct gimple_df): Add vop member.  Remove global_var,
2221         call_clobbered_vars, call_used_vars, addressable_vars,
2222         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2223         escaped and callused members.
2224         (struct ptr_info_def): Remove all members, add points-to solution
2225         member pt.
2226         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2227         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2228         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2229         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2230         (tree-ssa-alias.o): Likewise.
2231         (toplev.o): Add tree-ssa-alias.h
2232         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2233         * gimple.c (gimple_set_bb): Fix off-by-one error.
2234         (is_gimple_reg): Do not handle memory tags.
2235         (gimple_copy): Also copy virtual operands.
2236         Delay updating the statement.  Do not reset loaded and stored syms.
2237         (gimple_set_stored_syms): Remove.
2238         (gimple_set_loaded_syms): Likewise.
2239         (gimple_call_copy_skip_args): Copy the virtual operands
2240         and mark the new statement modified.
2241         * tree-ssa-structalias.c (may_alias_p): Remove.
2242         (set_uids_in_ptset): Take the alias set to prune with as
2243         parameter.  Fold in the alias test of may_alias_p.
2244         (compute_points_to_sets): Compute whether a ptr is dereferenced
2245         in a local sbitmap.
2246         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2247         other ADDRESSOF constraints on the lhs.
2248         (get_constraint_for_component_ref): Assert that we don't get
2249         ADDRESSOF constraints from the base of the reference.
2250         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2251         (struct variable_info): Remove collapsed_to member.
2252         (get_varinfo_fc): Remove.
2253         (new_var_info): Do not set collapsed_to.
2254         (dump_constraint): Do not follow cycles.
2255         (dump_constraint_graph): Likewise.
2256         (build_pred_graph): Likewise.
2257         (build_succ_graph): Likewise.
2258         (rewrite_constraints): Likewise.
2259         (do_simple_structure_copy): Remove.
2260         (do_rhs_deref_structure_copy): Remove.
2261         (do_lhs_deref_structure_copy): Remove.
2262         (collapse_rest_of_var): Remove.
2263         (do_structure_copy): Re-implement.
2264         (pta_stats): New global variable.
2265         (dump_pta_stats): New function.
2266         (struct constraint_expr): Make offset signed.
2267         (UNKNOWN_OFFSET): Define special value.
2268         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2269         (solution_set_expand): New helper function split out from ...
2270         (do_sd_constraint): ... here.
2271         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2272         (do_ds_constraint): Likewise.
2273         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2274         and CALLUSED = *CALLUSED.
2275         (set_union_with_increment): Make inc argument signed.
2276         (type_safe): Remove.
2277         (get_constraint_for_ptr_offset): Handle unknown and negative
2278         constant offsets.
2279         (first_vi_for_offset): Handle offsets before start.  Bail
2280         out early for offsets beyond the variable extent.
2281         (first_or_preceding_vi_for_offset): New function.
2282         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2283         Together with ESCAPED = *ESCAPED this properly computes reachability.
2284         (find_what_var_points_to): New function.
2285         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2286         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2287         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2288         pt_solutions_intersect): New functions.
2289         (compute_call_used_vars): Remove.
2290         (compute_may_aliases): New main entry into PTA computation.
2291         * gimple.h (gimple_p): New typedef.
2292         (struct gimple_statement_base): Remove references_memory_p.
2293         (struct gimple_statement_with_memory_ops_base): Remove
2294         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2295         members.
2296         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2297         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2298         gimple_set_references_memory): Remove.
2299         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2300         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2301         New functions.
2302         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2303         (verify_expr): Allow RESULT_DECL.
2304         (gimple_duplicate_bb): Do not copy virtual operands.
2305         (gimple_duplicate_sese_region): Adjust.
2306         (gimple_duplicate_sese_tail): Likewise.
2307         (mark_virtual_ops_in_region): Remove.
2308         (move_sese_region_to_fn): Do not call it.
2309         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2310         and pass_simple_dse.
2311         (execute_function_todo): Handle TODO_update_address_taken,
2312         call execute_update_addresses_taken for TODO_rebuild_alias.
2313         (execute_todo): Adjust.
2314         (execute_one_pass): Init dump files early.
2315         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2316         call-clobbered.
2317         (create_general_new_stmt): Clear vops.
2318         * tree-ssa-reassoc.c (get_rank): Adjust.
2319         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2320         symbols for renaming.
2321         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2322         (PARAM_AVG_ALIASED_VOPS): Likewise.
2323         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2324         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2325         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2326         (operand_build_cmp, copy_virtual_operands,
2327         create_ssa_artificial_load_stmt, add_to_addressable_set,
2328         gimple_add_to_addresses_taken): Remove public functions.
2329         (unlink_stmt_vdef): New function.
2331 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2333         * config.gcc (powerpc-*-linux*): Merge variants.
2335 2009-04-02  Chao-ying Fu  <fu@mips.com>
2336             James Grosbach <james.grosbach@microchip.com>
2338         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2339         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2340         cop0_sp_offset.
2341         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2342         keep_interrupts_masked_p, use_debug_exception_return_p.
2343         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2344         keep_interrupts_masked, use_debug_exception_return.
2345         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2346         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2347         New functions.
2348         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2349         (mips_print_operand): Process COP0 registers to print $0 .. $31
2350         correctly for GAS to process.
2351         (mips_interrupt_extra_call_saved_reg_p): New function.
2352         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2353         extra registers.
2354         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2355         (mips_compute_frame_info): Add supports for interrupt context that
2356         includes doubleword accumulators and COP0 registers.
2357         (mips_for_each_saved_acc): New function.
2358         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2359         mips_for_each_saved_reg.
2360         (mips_save_reg): Save accumulators.
2361         (mips_kernel_reg_p): A new for_each_rtx callback.
2362         (mips_expand_prologue): Support interrupt handlers.
2363         (mips_restore_reg): Restore accumulators.
2364         (mips_expand_epilogue): Support interrupt handlers.
2365         (mips_can_use_return_insn): Return false for interrupt handlers.
2366         (mips_epilogue_uses): New function.
2367         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2368         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2369         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2370         cop0_move): New instructions.
2371         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2372         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2373         defines.
2374         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2375         New defines.
2376         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2377         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2378         interrupt handlers, we use K0 as the temporary register.
2379         (EPILOGUE_USES): Change to a function call.
2380         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2381         handlers, we use K0 as the temporary register.
2382         
2383         * doc/extend.texi (Function Attributes): Document interrupt,
2384         use_shadow_register_set, keep_interrupts_masked,
2385         use_debug_exception_return for MIPS attributes.
2387 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2389         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2390         Remove a number of t-files from tmake_file.
2391         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2392         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2393         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2394         target_prototype, not TARGET_PROTOTYPE.
2395         (LINK_OS_GNU_SPEC): Define.
2396         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2397         and darwin-ldoubdle.c.
2399 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2401         PR driver/39293
2402         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2403         (cpp_options): Ditto.
2404         (default_compilers): Ditto.
2405         (display_help): Ditto.
2406         (process_command): Ditto.
2407         (do_spec_1): Ditto.
2408         (set_input): Use lbasename instead of duplicate code.
2409         (save_temps_prefix): New static for -save-temps=obj.
2410         (save_temps_length): Ditto.
2411         
2412         * doc/invoke.texi (-save-temps=obj): Document new variant to
2413         -save-temps switch.
2415 2009-04-02  Jeff Law  <law@redhat.com>
2417         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2418         variable.
2420 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2422         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2423         * configure: Regenerated.
2425 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2427         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2428         share the argument list.
2430 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2432         Merge
2434         2009-02-12  Diego Novillo  <dnovillo@google.com>
2436         * varpool.c (debug_varpool): New.
2437         * cgraph.h (debug_varpool): Declare.
2439 2009-04-02  Jan Hubicka  <jh@suse.cz>
2441         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2442         pass.
2444 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2446         * config/i386/i386.c (ix86_abi): Move initialization to ...
2447         (override_options): Here.
2449 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2451         * config/sh/sh.c (sh_dwarf_register_span): New function.
2452         (TARGET_DWARF_REGISTER_SPAN): Define.
2453         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2454         
2455 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2457         PR tree-optimization/39595
2458         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2459         interleaved loads group is not  greater than the SLP group size.
2461 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2463         * builtins.c (is_builtin_name): New.
2464         (called_as_built_in): Use is_builtin_name.
2465         * tree.h (is_builtin_name): New.
2466         * varasm.c (incorporeal_function_p): Use is_builtin_name
2468 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2470         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2472 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2474         PR c++/26693
2475         * c-decl.c (clone_underlying_type): Move this ...
2476         * c-common.c (set_underlying_type): ... here.
2477         Also, make sure the function properly sets TYPE_STUB_DECL() on
2478         the newly created typedef variant type.
2479         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2480         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2481         points.
2483 2009-04-02  Richard Guenther  <rguenther@suse.de>
2485         PR tree-optimization/37221
2486         * tree-flow.h (degenerate_phi_result): Declare.
2487         * tree-ssa-dom.c (degenerate_phi_result): Export.
2488         * tree-scalar-evolution.c (analyze_initial_condition): If
2489         the initial condition is defined by a degenerate PHI node
2490         use the degenerate value.
2492 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2494         PR rtl-optimization/39588
2495         * combine.c (merge_outer_ops): Do not set the constant when this
2496         is not necessary.
2497         (simplify_shift_const_1): Do not modify it either in this case.
2499 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2501         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2502         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2504 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2506         PR c/29027
2507         * c-lex.c (interpret_float): Default (no suffix) is double.
2509 2009-04-1  Xinliang David Li  <davidxl@google.com>
2511         * config/i386/i386.c (legitimate_constant_p): Recognize
2512         all one vector constant.
2514 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2516         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2517         Change #include order to silence two warnings.
2519 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2521         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2522         (ASM_SPEC): Pass -k to the assembler for PIC code.
2524 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2526         * gcc/config.gcc: Add vax-*-linux* to the switch.
2527         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2528         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2530 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2532         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2533         Use predicate macros instead of GET_CODE() == foo.
2534         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2535         ashlsi3, rotrsi3, <unnamed>): Likewise.
2537 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2539         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2540         jbbccihi, jbbccisi): Remova trailing whitespace.
2541         * gcc/config/vax/constraints.md: Likewise.
2542         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2543         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2544         * gcc/config/vax/predicates.md: Likewise.
2545         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2546         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2547         * gcc/config/vax/vax.h: Likewise.
2548         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2550 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2552         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2553         (indirectable_address_p, adjacent_operands_p): Add spaces around
2554         braces.
2555         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2557 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2559         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2560         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2561         index_term_p, reg_plus_index_p, legitimate_address_p,
2562         vax_mode_dependent_address_p): Update comments to match functions
2563         modified by the recent int->bool conversion.
2565 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2567         * gcc/config/vax/builtins.md: Update copyright message.
2568         * gcc/config/vax/constraints.md: Likewise.
2569         * gcc/config/vax/netbsd-elf.h: Likewise.
2570         * gcc/config/vax/predicates.md: Likewise.
2571         * gcc/config/vax/vax-protos.h: Likewise.
2572         * gcc/config/vax/vax.c: Likewise.
2573         * gcc/config/vax/vax.h: Likewise.
2574         * gcc/config/vax/vax.md: Likewise.
2575         * gcc/config/vax/vax.opt: Likewise.
2577 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2579         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2580         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2581         * gcc/config/vax/constraints.md (B, R): Likewise.
2582         * gcc/config/vax/predicates.md (external_memory_operand,
2583         nonimmediate_addsub_di_operand): Likewise.
2584         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2585         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2586         untyped_call): Likewise.
2588 2009-04-01  Matt Thomas <matt@3am-software.com>
2590         * config/vax/predicates.md: New file.
2591         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2592         external_const_operand, nonsymbolic_operand, external_memory_operand,
2593         indirect_memory_operand, indexed_memory_operand,
2594         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2595         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2596         predicate.
2597         * config/vax/constraints.md: New file.
2598         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2599         New constraint.
2600         * config/vax/builtins.md: New file.
2601         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2602         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2603         jbbccisi): Define.
2604         * config/vax/vax.opt (mqmath): Add option.
2605         * config/vax/vax.md (isfx): Extend with DI.
2606         (VAXintQH, VAXintQHSD): Define.
2607         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2608         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2609         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2610         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2611         (movdi): Update constraints and use vax_output_int_move().
2612         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2613         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2614         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2615         nonlocal_goto): New.
2616         (mov<mode>): Extend accepted operand types.
2617         (subdi3_old): Rename from subdi3, change update constraints and use
2618         a new implementation.
2619         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2620         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2621         MOVE_RATIO, CLEAR_RATIO): Define.
2622         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2623         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2624         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2625         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2626         (split_quadword_operands): Make static and really allow variable
2627         splitting.
2628         (print_operand_address): Update for PIC generation.
2629         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2630         indexable_address_p, fixup_mathdi_operand,
2631         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2632         (vax_float_literal, legitimate_constant_p,
2633         indirectable_constant_address_p, index_term_p,
2634         reg_plus_index_p): Return bool instead of int.
2635         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2636         where needed.
2637         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2638         generation.
2639         (vax_output_conditional_branch): Indent.
2640         (legitimate_constant_address_p, indirectable_constant_address_p,
2641         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2642         vax_mode_dependent_address_p): Return bool instead of int, update for
2643         PIC generation.
2644         * config/vax/vax-protos.h (legitimate_constant_address_p,
2645         legitimate_constant_p, legitimate_address_p,
2646         vax_mode_dependent_address_p): Change declaration to bool.
2647         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2648         vax_expand_addsub_di_operands, vax_output_int_subtract,
2649         vax_output_movmemsi): Declare.
2650         (split_quadword_operands, vax_float_literal): Delete declaration.
2651         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2652         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2653         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2654         ASM_OUTPUT_DWARF_PCREL): Define.
2655         (ASM_SPEC): Change definition to allow PIC generation.
2657 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2659         * doc/sourcebuild.texi: Update front-end requirements.
2661 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2663         PR target/39226
2664         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2665         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2666         (booldi3_internal3): Use boolean_or_operator instead of
2667         boolean_operator.
2669 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2671         PR c/39605
2672         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2673         declarator whose size is not an integer constant expression but
2674         folds to an integer constant, then treat it as a constant
2675         subsequently.
2677 2009-04-01  Richard Guenther  <rguenther@suse.de>
2679         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2680         i * 4 + 2 to (i * 2 + 1) * 2.
2682 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2684         PR c/37772
2685         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2686         return if c_parser_asm_string_literal returned NULL.
2688 2009-04-01  Nick Clifton  <nickc@redhat.com>
2690         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2691         already defined.
2692         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2693         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2694         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2695         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2696         include it.
2697         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2698         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2699         then include it.
2701 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2703         * varasm.c (default_function_rodata_section): Declare DOT as
2704         const char*.
2706 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2707             Andrey Galkin <agalkin@hypercom.com>
2709         PR/39492
2710         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2711         Make object_name unique for each process.
2713 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2715         PR other/39591
2716         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2717         addressable variables in the parallel that could go out of scope while
2718         running queued tasks.
2720 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2722         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2723         (CASE_VALUES_THRESHOLD): Redefine.
2724         * config/avr/avr.c (avr_override_options): Remove initialization of
2725         avr_case_values_threshold variable.
2726         (avr_case_values_threshold): Remove variable. Add new function.
2727         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2728         * config/avr/avr.opt (mno-tablejump): Remove option.
2729         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2731 2009-04-01  DJ Delorie  <dj@redhat.com>
2733         * varasm.c (default_function_rodata_section): Don't assume
2734         anything about where the first '.' in the section name is.
2736 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2738         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2739         rs6000_emit_stack_tie.
2741 2009-03-31  Ian Lance Taylor  <iant@google.com>
2743         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2744         gimple_code with GIMPLE_RESX, not RESX.
2746 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2748         * c-common.c (c_get_ident): New.
2749         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2751 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2753         * config/rs6000/sysv4.opt (msdata): Improve option description.
2755 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2757         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2758         (divdf3_internal_lat): Remove.
2759         (divxf3_internal_lat): Remove.
2760         (divxf3_internal_thr): Remove.
2761         (divxf): Use divxf3_internal.
2762         * config/ia64/div.md (divsf3_internal_lat): New.
2763         (divdf3_internal_lat): New.
2764         (divxf3_internal): New.
2766 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2768         PR c/448
2769         * Makefile.in (USE_GCC_STDINT): Define.
2770         (stmp-int-hdrs): Install stdint.h if applicable.
2771         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2772         if known.
2773         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2774         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2775         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2776         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2777         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2778         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2779         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2780         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2781         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2782         (c_common_nodes_and_builtins): Initialize
2783         underlying_wchar_type_node.  Do not initialize
2784         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2785         nodes for new types.
2786         (c_stddef_cpp_builtins): Define macros for new types.
2787         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2788         Remove.
2789         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2790         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2791         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2792         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2793         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2794         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2795         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2796         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2797         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2798         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2799         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2800         int16_type_node, int32_type_node, int64_type_node,
2801         uint8_type_node, uint16_type_node, c_uint32_type_node,
2802         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2803         int_least32_type_node, int_least64_type_node,
2804         uint_least8_type_node, uint_least16_type_node,
2805         uint_least32_type_node, uint_least64_type_node,
2806         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2807         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2808         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2809         uintptr_type_node): Define.
2810         * c-cppbuiltin.c (builtin_define_constants,
2811         builtin_define_type_minmax): New.
2812         (builtin_define_stdint_macros): Define more macros.
2813         (c_cpp_builtins): Define more limit macros.
2814         (type_suffix): New.
2815         (builtin_define_type_max): Define in terms of
2816         builtin_define_type_minmax.  Remove is_long parameter.  All
2817         callers changed.
2818         * config.gcc (use_gcc_stdint): Define.
2819         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2820         Add newlib-stdint.h for generic targets.
2821         * config/glibc-stdint.h, config/newlib-stdint.h,
2822         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2823         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2824         * config/score/score.h (UINTPTR_TYPE): Define.
2825         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2826         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2827         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2828         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2829         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2830         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2831         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2832         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2833         * config/spu/spu.h (STDINT_LONG32): Define.
2834         * configure.ac (use_gcc_stdint): Substitute.
2835         * configure: Regenerate.
2836         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2837         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2838         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2839         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2840         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2841         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2842         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2843         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2844         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2845         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2846         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2847         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2848         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2849         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2850         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2851         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2852         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2853         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2854         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2855         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2856         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2857         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2858         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2859         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2860         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2861         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2862         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2863         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2864         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2866 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2868         * loop-iv.c (suitable_set_for_replacement): Renamed from
2869         simplify_using_assignment; changed to return bool and to accept new
2870         args DEST and SRC.  Return true iff we find a source/destination pair
2871         that can be used to make a replacement, and fill SRC and DEST if so.
2872         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2873         changed.
2874         (simplify_using_initial_values): Deal with altered regs here and track
2875         more precisely the effect they have on the validity of our expression.
2877         * loop-iv.c (simplify_using_condition): A condition of the form
2878         (EQ REG CONST) can be used to simply make a substitution.
2879         (simplify_using_initial_values): Keep track of conditions we have seen
2880         and keep using them to simplify new expressions, while applying the
2881         same substitutions to them as to the expression.
2883         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2884         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2885         GEU/LTU reversed.
2887         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2888         changed.  Use this when trying to improve the upper bound.
2889         Generate the comparison by using simplify_gen_relational.
2891         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2893         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2894         functions.
2895         (simplify_using_assignment, simplify_using_initial_values): Call 
2896         replace_in_expr to make replacements.  Call replace_single_def_regs
2897         once on the initial version of the expression.
2899 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2901         PR target/27237
2902         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2903         
2904 2009-03-31  Richard Guenther  <rguenther@suse.de>
2906         PR middle-end/31029
2907         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2908         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2910 2009-03-31  Richard Guenther  <rguenther@suse.de>
2912         * tree.h (div_if_zero_remainder): Declare.
2913         * fold-const.c (div_if_zero_remainder): Export.
2914         * tree-ssa-forwprop.c
2915         (forward_propagate_addr_into_variable_array_index): Handle
2916         constant array index addition outside of the variable index.
2918 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2920         PR target/39592
2921         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2922         define_splits, floatunssi<mode>2): Require x87 conversions from
2923         DImode to be permitted.
2925 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2927         PR preprocessor/15638
2928         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2930 2009-03-31  Richard Guenther  <rguenther@suse.de>
2932         PR middle-end/23401
2933         PR middle-end/27810
2934         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2935         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2936         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2937         a separate statement.
2938         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2939         (lookup_tmp_var): Likewise.
2940         (is_gimple_formal_tmp_or_call_rhs): Remove.
2941         (is_gimple_reg_or_call_rhs): Rename to ...
2942         (is_gimple_reg_rhs_or_call): ... this.
2943         (is_gimple_mem_or_call_rhs): Rename to ...
2944         (is_gimple_mem_rhs_or_call): ... this.
2945         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2946         DECL_GIMPLE_REG_P only if is_formal is true.
2947         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2948         for non-proper post-modify expression gimplification.
2949         (gimplify_self_mod_expr): For post-modify expressions gimplify
2950         the lvalue to a minimal lvalue.
2951         (rhs_predicate_for): Remove formal temp case.
2952         (gimplify_modify_expr_rhs): Likewise.
2953         (gimplify_addr_expr): Use is_gimple_reg.
2954         (gimplify_expr): Remove formal temp cases.
2955         (gimple_regimplify_operands): Likewise.
2956         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2957         and FILTER_EXPR like constants.
2958         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2959         is_gimple_reg.
2960         (is_gimple_formal_tmp_rhs): Remove.
2961         (is_gimple_reg_rhs): Remove special casing.
2962         (is_gimple_mem_rhs): Fix.
2963         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2964         (is_gimple_formal_tmp_var): Remove.
2965         (is_gimple_formal_tmp_reg): Likewise.
2966         (is_gimple_min_lval): Allow invariant component ref parts.
2967         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2968         is_gimple_formal_tmp_reg): Remove declarations.
2969         * tree-cfg.c (verify_expr): Verify that variables with address
2970         taken do not have DECL_GIMPLE_REG_P set.
2971         * tree-mudflap.c (mf_build_check_statement_for): Use
2972         force_gimple_operand instead of gimplify_expr.
2974 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2976         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2977         schedulable rows to compute_split_row.
2979 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2981         PR target/31635
2982         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2983         OPT_mvrsave.
2985 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2987         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2988         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2989         * configure: Regenerate.
2990         * config.in: Regenerate.
2991         * config/rs6000/rs6000.opt (mtls-markers): Add.
2992         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2993         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2994         (tls_ld_aix, tls_ld_sysv): Likewise.
2995         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2996         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2998 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
3000         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
3002 2009-03-30  Jan Hubicka  <jh@suse.cz>
3004         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
3005         out of RESX.
3006         (tree_remove_unreachable_handlers): Cleanup EH predecestor
3007         detection and label handling.
3009 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3011         * ira-int.h (ira_allocno): Rename left_conflicts_num to
3012         left_conflicts_size.
3013         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
3014         ALLOCNO_LEFT_CONFLICTS_SIZE.
3016         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
3017         remove_allocno_from_bucket_and_push,
3018         allocno_spill_priority_compare, push_allocnos_to_stack,
3019         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3020         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
3021         (setup_allocno_left_conflicts_num): Ditto.  Rename to
3022         setup_allocno_left_conflicts_size.
3023         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3024         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
3025         setup_allocno_left_conflicts_size instead of
3026         setup_allocno_left_conflicts_num.
3028         * ira-build.c (ira_create_allocno): Use
3029         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
3030         ALLOCNO_LEFT_CONFLICTS_NUM.
3031                 
3032 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3034         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
3035         instead of DF_LR_OUT.
3037         * ira-lives.c (process_bb_node_lives): Ditto.
3039         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
3040         instead of DF_LR_{OUT,IN}.
3042         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
3044         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
3046 2009-03-30  Jan Hubicka  <jh@suse.cz>
3048         * except.c (label_to_region_map): Fix thinko.
3050 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
3052         PR middle-end/38237
3053         * tree.h (tree_find_value): New declaration.
3054         * tree.c (tree_find_value): New function.
3055         * varasm.c (assemble_external): Avoid duplicate entries on lists.
3057 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
3059         PR debug/39563
3060         * c-decl.c (struct c_binding): Add locus field.
3061         (bind): Add locus argument, set locus field from it.
3062         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
3063         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
3064         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
3065         implicitly_declare, undeclared_variable, lookup_label,
3066         declare_label, c_make_fname_decl, c_builtin_function,
3067         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
3068         bind callers.
3070 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3072         PR target/38781
3073         * config/i386/i386.c (classify_argument): Check total size of
3074         structure.
3076 2009-03-30  Martin Jambor  <mjambor@suse.cz>
3078         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
3079         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
3080         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
3081         respectively.
3083         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
3084         seen_variable_array_ref while also traversing a union.
3086         * tree-inline.c (optimize_inline_calls): Do not call
3087         cgraph_node_remove_callees.
3088         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3089         (pass_remove_cgraph_callee_edges): New variable.
3090         * passes.c (init_optimization_passes): Add
3091         pass_remove_cgraph_callee_edges after early inlining and before all
3092         late intraprocedural passes.
3094         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3096 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3098         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3099         Fix typos in names.
3101 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3103         * combine.c (simplify_comparison): Use have_insn_for.
3104         * dojump.c (do_jump): Likewise.
3106 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3108         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3109         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3110         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3111         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3112         instead of sparc_compare_emitted.
3113         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3114         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3115         instead of sparc_compare_emitted.
3117 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3119         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3120         enter/exit cfglayout mode.
3121         (pass_partition_block): Require it.
3122         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3123         (combine_instructions): Track basic blocks instead of labels.
3124         (update_cfg_for_uncondjump): New.
3125         (try_combine): Use it.  Update jumps after rescanning.
3126         (pass_combine): Require PROP_cfglayout.
3127         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3129 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3131         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3132         Provide/destroy PROP_cfglayout respectively.
3133         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3134         * tree-pass.h (PROP_cfglayout): New.
3136 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3138         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3139         fold_convert_const_fixed_from_fixed,
3140         fold_convert_const_fixed_from_int,
3141         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3142         set TREE_CONSTANT_OVERFLOW.
3143         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3144         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3146 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3148         * tree-vect-loop-manip.c: New file.
3149         * tree-vectorizer.c: Update documentation and included files.
3150         (vect_loop_location): Make extern.
3151         (rename_use_op): Move to tree-vect-loop-manip.c
3152         (rename_variables_in_bb, rename_variables_in_loop, 
3153         slpeel_update_phis_for_duplicate_loop, 
3154         slpeel_update_phi_nodes_for_guard1,
3155         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3156         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3157         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3158         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3159         find_loop_location): Likewise.
3160         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3161         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3162         get_vectype_for_scalar_type, vect_is_simple_use,
3163         supportable_widening_operation, supportable_narrowing_operation):
3164         Likewise.
3165         (bb_in_loop_p): Move to tree-vect-loop.c.
3166         (new_loop_vec_info, destroy_loop_vec_info, 
3167         reduction_code_for_scalar_code, report_vect_op, 
3168         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3169         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3170         (vect_supportable_dr_alignment): Likewise.
3171         * tree-vectorizer.h (tree-data-ref.h): Include.
3172         (vect_loop_location): Declare.
3173         Reorganize function declarations according to the new file structure.
3174         * tree-vect-loop.c: New file.
3175         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3176         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3177         * tree-vect-data-refs.c: New file.
3178         * tree-vect-patterns.c (timevar.h): Don't include.
3179         * tree-vect-stmts.c: New file.
3180         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3181         tree-vect-slp.c, tree-vect-loop.c.
3182         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3183         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3184         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3185         (tree-vect-analyze.o): Remove.
3186         (tree-vect-transform.o): Likewise.
3187         (tree-vect-data-refs.o): Add rule.
3188         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3189         tree-vect-slp.o): Likewise.
3190         (tree-vect-patterns.o): Remove redundant dependencies.
3191         (tree-vectorizer.o): Likewise.
3192         * tree-vect-slp.c: New file.
3194 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3196         * optc-gen.awk: Warn if an option flag has multiple different
3197         help strings.
3199 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3201         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3202         -floop-block): Document dependences on PPL, CLooG and Graphite.
3204 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3206         PR rtl-optimization/323
3207         * c-common.c (c_fully_fold, convert_and_check,
3208         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3209         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3210         * c-common.def (EXCESS_PRECISION_EXPR): New.
3211         * c-cppbuiltin.c (builtin_define_float_constants): Define
3212         constants with enough digits for long double.
3213         * c-lex.c (interpret_float): Interpret constant with excess
3214         precision where appropriate.
3215         * c-opts.c (c_common_post_options): Set
3216         flag_excess_precision_cmdline.  Give an error for
3217         -fexcess-precision=standard for C++ for processors where the
3218         option is significant.
3219         * c-parser.c (c_parser_conditional_expression): Handle excess
3220         precision in condition.
3221         * c-typeck.c (convert_arguments): Handle arguments with excess
3222         precision.
3223         (build_unary_op): Move excess precision outside operation.
3224         (build_conditional_expr): Likewise.
3225         (build_compound_expr): Likewise.
3226         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3227         (build_modify_expr): Handle excess precision in RHS.
3228         (convert_for_assignment): Handle excess precision in converted
3229         value.
3230         (digest_init, output_init_element, process_init_element): Handle
3231         excess precision in initializer.
3232         (c_finish_return): Handle excess precision in return value.
3233         (build_binary_op): Handle excess precision in operands and add
3234         excess precision as needed for operation.
3235         * common.opt (-fexcess-precision=): New option.
3236         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3237         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3238         For standard excess precision, output explicit conversion to and
3239         truncation from XFmode.
3240         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3241         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3242         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3243         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3244         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3245         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3246         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3247         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3248         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3249         define_splits, sqrt<mode>2): Disable where appropriate for
3250         standard excess precision.
3251         * convert.c (convert_to_real): Do not shorten arithmetic to type
3252         for which excess precision would be used.
3253         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3254         * doc/invoke.texi (-fexcess-precision=): Document option.
3255         (-mfpmath=): Correct index entry.
3256         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3257         flag_excess_precision): New.
3258         * langhooks.c (lhd_post_options): Set
3259         flag_excess_precision_cmdline.
3260         * opts.c (common_handle_option): Handle -fexcess-precision=.
3261         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3262         init_excess_precision): New.
3263         (lang_dependent_init_target): Call init_excess_precision.
3264         * tree.c (excess_precision_type): New.
3265         * tree.h (excess_precision_type): Declare.
3267 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3269         PR c/35235
3270         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3271         non-lvalue to component.
3273 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3275         PR preprocessor/34695
3276         * Makefile.in (c-opts.o): Depend on c-tree.h.
3277         * c-common.c: Move down include of diagnostic.h.
3278         (done_lexing, c_cpp_error): New.
3279         * c-common.h (done_lexing): Declare.
3280         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3281         (parse_in).
3282         * c-opts.c: Include c-tree.h.
3283         (c_common_init_options): Set preprocessor error callback.
3284         (c_common_handle_option): Do not set preprocessor
3285         inhibit_warnings, warnings_are_errors, warn_system_headers,
3286         pedantic_errors or inhibit_warnings flags.
3287         (c_common_post_options): Do not check cpp_errors (parse_in).
3288         (c_common_finish): Do not output dependencies if there were
3289         errors.  Do not check return value of cpp_finish.
3290         * c-ppoutput.c (pp_file_change): Set input_location.
3291         * c-tree.h (c_cpp_error): Declare.
3292         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3293         override_column.
3294         (diagnostic_build_prefix): Check override_column.
3295         * diagnostic.h (diagnostic_info): Add override_column field.
3296         (diagnostic_override_column): Define.
3298 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3300         * c-common.c (c_expand_expr, c_staticp): Remove.
3301         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3302         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3303         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3304         * c-gimplify.c (gimplify_compound_literal_expr,
3305         optimize_compound_literals_in_ctor): Remove.
3306         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3307         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3308         * c-semantics.c (emit_local_var): Remove.
3310         * langhooks-def.h (lhd_expand_expr): Remove.
3311         * langhooks.c (lhd_expand_expr): Remove.
3312         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3314         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3315         handling from c-semantics.c; don't call into langhook.
3316         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3317         * gimplify.c (gimplify_compound_literal_expr,
3318         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3319         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3320         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3321         as was done in c-gimplify.c.
3322         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3323         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3324         Move from c-common.h.
3325         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3327         * tree.c (staticp): Do not call langhook.
3328         * langhooks.c (lhd_staticp): Delete.
3329         * langhooks-def.h (lhd_staticp): Delete prototype.
3330         (LANG_HOOKS_STATICP): Delete.
3331         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3333         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3334         instead of DECL_STMTs.
3336 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3338         PR c/456
3339         PR c/5675
3340         PR c/19976
3341         PR c/29116
3342         PR c/31871
3343         PR c/35198
3344         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3345         void_type_node.
3346         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3347         contained expression.
3348         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3349         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3350         conditional expressions for C.
3351         (decl_constant_value_for_optimization): Move from
3352         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3353         whether optimizing and that the expression is a VAR_DECL not of
3354         array type instead of doing such checks in the caller.  Do not
3355         check pedantic.  Call gcc_unreachable for C++.
3356         * c-common.def (C_MAYBE_CONST_EXPR): New.
3357         * c-common.h (c_fully_fold, c_save_expr,
3358         decl_constant_value_for_optimization): New prototypes.
3359         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3360         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3361         EXPR_INT_CONST_OPERANDS): Define.
3362         * c-convert.c (convert): Strip nops from expression.
3363         * c-decl.c (groktypename): Take extra parameters expr and
3364         expr_const_operands.  Update call to grokdeclarator.
3365         (start_decl): Update call to grokdeclarator.  Add statement for
3366         expressions used in type of decl.
3367         (grokparm): Update call to grokdeclarator.
3368         (push_parm_decl): Update call to grokdeclarator.
3369         (build_compound_literal): Add parameter non_const and build a
3370         C_MAYBE_COSNT_EXPR if applicable.
3371         (grokdeclarator): Take extra parameters expr and
3372         expr_const_operands.  Track expressions used in declaration
3373         specifiers and declarators.  Fold array sizes and track whether
3374         they are constant expressions and whether they are integer
3375         constant expressions.
3376         (parser_xref_tag): Set expr and expr_const_operands fields in
3377         return value.
3378         (grokfield): Update call to grokdeclarator.
3379         (start_function): Update call to grokdeclarator.
3380         (build_null_declspecs): Set expr and expr_const_operands fields in
3381         return value.
3382         (declspecs_add_type): Handle expressions in typeof specifiers.
3383         * c-parser.c (c_parser_declspecs): Set expr and
3384         expr_const_operands fields for declaration specifiers.
3385         (c_parser_enum_specifier): Likewise.
3386         (c_parser_struct_or_union_specifier): Likewise.
3387         (c_parser_typeof_specifier): Likewise.  Update call to
3388         groktypename.  Fold expression as needed.  Return expressions with
3389         type instead of adding statements.
3390         (c_parser_attributes): Update calls to c_parser_expr_list.
3391         (c_parser_statement_after_labels): Fold expression before passing
3392         to objc_build_throw_stmt.
3393         (c_parser_condition): Fold expression.
3394         (c_parser_asm_operands): Fold expression.
3395         (c_parser_conditional_expression): Use c_save_expr.  Update call
3396         to build_conditional_expr.
3397         (c_parser_alignof_expression): Update call to groktypename.
3398         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3399         original_code.  Fold expression argument of va_arg.  Create
3400         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3401         argument to va_arg.  Update calls to groktypename.  Fold array
3402         index for offsetof.  Verify that first argument to
3403         __builtin_choose_expr has integer type.
3404         (c_parser_postfix_expression_after_paren_type): Update calls to
3405         groktypename and build_compound_literal.  Handle expressions with
3406         side effects in type name.
3407         (c_parser_postfix_expression_after_primary): Update call to
3408         c_parser_expr_list.  Set original_code for calls to
3409         __builtin_constant_p.
3410         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3411         expressions if requested.
3412         (c_parser_objc_type_name): Update call to groktypename.
3413         (c_parser_objc_synchronized_statement): Fold expression.
3414         (c_parser_objc_receiver): Fold expression.
3415         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3416         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3417         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3418         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3419         (struct c_typespec): Add elements expr and expr_const_operands.
3420         (struct c_declspecs): Add elements expr and expr_const_operands.
3421         (groktypename, build_conditional_expr, build_compound_literal):
3422         Update prototypes.
3423         (in_late_binary_op): Declare.
3424         * c-typeck.c (note_integer_operands): New function.
3425         (in_late_binary_op): New variable.
3426         (decl_constant_value_for_broken_optimization): Move to c-common.c
3427         and rename to decl_constant_value_for_optimization.
3428         (default_function_array_conversion): Do not strip nops.
3429         (default_conversion): Do not call
3430         decl_constant_value_for_broken_optimization.
3431         (build_array_ref): Do not fold result.
3432         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3433         result when operand is a VLA.
3434         (c_expr_sizeof_type): Update call to groktypename.  Handle
3435         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3436         result when operand names a VLA type.
3437         (build_function_call): Update call to build_compound_literal.
3438         Only fold result for calls to __builtin_* functions.  Strip
3439         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3440         the function designator.
3441         (convert_arguments): Fold arguments.  Update call to
3442         convert_for_assignment.
3443         (build_unary_op): Handle increment and decrement of
3444         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3445         decrement earlier.  Fold operand of increment and decrement.
3446         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3447         built for integer operand.  Wrap returns that are INTEGER_CSTs
3448         without being integer constant expressions or that have integer
3449         constant operands without being INTEGER_CSTs.
3450         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3451         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3452         result is an integer constant expression or can be used in
3453         unevaluated parts of one and avoid folding and wrap as
3454         appropriate.  Fold operands before possibly doing -Wsign-compare
3455         warnings.
3456         (build_compound_expr): Wrap result for C99 if operands can be used
3457         in integer constant expressions.
3458         (build_c_cast): Update call to digest_init.  Do not ignore
3459         overflow from casting floating-point constants to integers.  Wrap
3460         results that could be confused with integer constant expressions,
3461         null pointer constants or floating-point constants.
3462         (c_cast_expr): Update call to groktypename.  Handle expressions
3463         included in type name.
3464         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3465         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3466         Update calls to convert_for_assignment.
3467         (convert_for_assignment): Take new parameter
3468         null_pointer_constant.  Do not strip nops or call
3469         decl_constant_value_for_broken_optimization.  Set
3470         in_late_binary_op for conversions to boolean.
3471         (store_init_value): Update call to digest_init.
3472         (digest_init): Take new parameter null_pointer_constant.  Do not
3473         call decl_constant_value_for_broken_optimization.  pedwarn for
3474         initializers not constant expressions.  Update calls to
3475         convert_for_assignment.
3476         (constructor_nonconst): New.
3477         (struct constructor_stack): Add nonconst element.
3478         (really_start_incremental_init, push_init_level, pop_init_level):
3479         Handle constructor_nonconst and nonconst element.
3480         (set_init_index): Call constant_expression_warning for array
3481         designators.
3482         (output_init_element): Fold value.  Set constructor_nonconst as
3483         applicable.  pedwarn for initializers not constant expressions.
3484         Update call to digest_init.  Call constant_expression_warning
3485         where constant initializers are required.
3486         (process_init_element): Use c_save_expr.
3487         (c_finish_goto_ptr): Fold expression.
3488         (c_finish_return): Fold return value.  Update call to
3489         convert_for_assignment.
3490         (c_start_case): Fold switch expression.
3491         (c_process_expr_stmt): Fold expression.
3492         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3493         ensure statement expression is not evaluated in constant expression.
3494         (build_binary_op): Track whether results are integer constant
3495         expressions or may occur in such, disable folding and wrap results
3496         as applicable.  Fold operands for -Wsign-compare warnings unless
3497         in_late_binary_op.
3498         (c_objc_common_truthvalue_conversion): Handle results folded to
3499         integer constants that are not integer constant expressions.
3500         * doc/extend.texi: Document when typeof operands are evaluated,
3501         that condition of __builtin_choose_expr is an integer constant
3502         expression, and more about use of __builtin_constant_p in
3503         initializers.
3505 2009-03-29  Richard Guenther  <rguenther@suse.de>
3507         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3508         propagate addresses of array references.
3510 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3512         * regmove.c (perhaps_ends_bb_p): Remove.
3513         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3514         from INSN and check that the main loop stays within that basic block.
3515         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3516         (regmove_forward_pass): Split out from regmove_optimize.  Use
3517         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3518         (regmove_backward_pass): Split out from regmove_optimize.  Use
3519         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3520         (regmove_optimize): Simplify.
3522 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3524         PR target/39545
3525         * config/i386/i386.c (classify_argument): Ignore flexible array
3526         member in struct and warn ABI change.
3528 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3530         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3532         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3533         (ix86_adjust_cost): Updated.
3535 2009-03-29  Jan Hubicka  <jh@suse.cz>
3537         PR middle-end/28850
3538         * tree-pass.h (pass_cleanup_eh): New function.
3539         (remove_unreachable_regions): Break code handling RTL
3540         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3541         that can not be reached by runtime.
3542         (can_be_reached_by_runtime): New function.
3543         (label_to_region_map): New function.
3544         (num_eh_regions): New function.
3545         (rtl_remove_unreachable_regions): New function.
3546         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3547         (remove_eh_region): New function.
3548         * except.h: Include sbitmap and vecprim.
3549         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3550         num_eh_regions): Declare.
3551         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3552         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3553         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3554         (tree_empty_eh_handler_p): New function.
3555         (cleanup_empty_eh): New function.
3556         (cleanup_eh): New function.
3557         (pass_cleanup_eh): New function.
3559 2009-03-29  Jan Hubicka  <jh@suse.cz>
3561         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3562         for removed regions.
3564 2009-03-29  Jan Hubicka  <jh@suse.cz>
3566         * except.c (dump_eh_tree): Dump all datastructures.
3568 2009-03-29  Jan Hubicka  <jh@suse.cz>
3570         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3571         (duplicate_eh_regions_1): Likewise.
3572         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3573         vector; call EH verification.
3574         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3575         Be ready for region being removed.
3577 2009-03-29  Jan Hubicka  <jh@suse.cz>
3579         * bitmap.c (bitmap_last_set_bit): New function.
3580         * bitmap.h (bitmap_last_set_bit): Declare.
3582 2009-03-29  David Ayers  <ayers@fsfe.org>
3584         PR objc/27377
3585         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3586         by calling objc_compare_types and surpress warnings about
3587         incompatible C pointers that are compatible ObjC pointers.
3588         
3589 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3591         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3592         call initialize_inline_failed.
3593         (initialize_inline_failed): Move it from here ...
3594         * cgraph.c (initialize_inline_failed): ... to here.
3595         (cgraph_create_edge): Call initialize_inline_failed rather than
3596         setting inline_failed directly.
3598 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3600         PR target/32542
3601         * sysv4.opt (msdata): Improve comment.
3602         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3603         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3605 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3607         PR target/30451
3608         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3609         load and store attributes.
3611 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3613         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3614         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3615         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3616         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3617         __builtin_infq and __builtin_huge_valq.
3619 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3621         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3622         atmega8m1 devices.
3623         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3624         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3626 2009-03-28  Xinliang David Li  <davidxl@google.com>
3628         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3629         (do_dbg_cnt): New function.
3631 2009-03-28  Jan Hubicka  <jh@suse.cz>
3633         Merge from pretty-ipa:
3635         2009-03-27  Jan Hubicka  <jh@suse.cz>
3637         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3638         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3639         * passes.c (function_called_by_processed_nodes_p): New.
3640         * ipa-pure-const.c (check_call): Fix handling of operands.
3641         (analyze_function): Dump debug output for skipped bodies.
3642         (local_pure_const): Use function_called_by_processed_nodes_p.
3643         * dwarf2out.c (reference_to_unused): Use output.
3644         * passes.c (do_per_function_toporder): Likewise.
3646         2008-11-12  Jan Hubicka  <jh@suse.cz>
3648         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3649         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3650         state_set_in_source enum
3651         (check_decl): Ignore memory tags; do not set fake looping flags;
3652         dump diagnostics.
3653         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3654         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3655         (check_call, analyze_function): Rewrite.
3656         (check_stmt): New.
3657         (add_new_function): Update call of analyze_function.
3658         (generate_summary): Add call of analyze_function.
3659         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3660         (local_pure_const): New function.
3661         (pass_local_pure_const): New pass.
3662         * ipa-inline.c (inline_transform): Set after_inlining.
3663         * tree-eh.c (stmt_can_throw_external): New.
3664         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3665         work with aliasing built.
3666         * tree-flow.h (stmt_can_throw_external): New.
3667         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3668         and local pure/const pass in early and late optimization queue.
3670 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3672         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3673         allow_func_align.
3674         (fold_binary): Allow function decl aligment consideration is the
3675         second argument is integer constant one.
3676         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3677         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3678         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3680 2009-03-28  Jan Hubicka  <jh@suse.cz>
3682         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3683         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3684         * function.h (rtl_data): Add nothrow flag.
3685         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3686         set DECL_NOTHROW for AVAILABLE functions.
3688 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3690         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3691         following vector keyword has expansion starting with pixel or bool
3692         keyword, expand vector to __vector and pixel or bool to __pixel or
3693         __bool.
3695         PR c++/39554
3696         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3697         warn_if_disallowed_function_p): Removed.
3698         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3699         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3700         warning_if_disallowed_function_p.
3701         * flags.h (warn_if_disallowed_function_p,
3702         warn_disallowed_functions): Removed.
3703         * common.opt (Wdisallowed-function-list=): Removed.
3704         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3706 2009-03-28  Richard Guenther  <rguenther@suse.de>
3708         PR tree-optimization/38723
3709         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3710         the entry block.
3712 2009-03-28  Jan Hubicka  <jh@suse.cz>
3714         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3715         test introduced by my previous patch.
3717 2009-03-28  Richard Guenther  <rguenther@suse.de>
3719         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3720         the PHIs value undefined.
3722 2009-03-28  Jan Hubicka  <jh@suse.cz>
3724         * tree-pass.h (pass_fixup_cfg): New pass.
3725         * ipa-inline.c (inline_transform): Set
3726         always_inline_functions_inlined/after_inlining.
3727         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3728         (pass_fixup_cfg): New pass.
3729         * passes.c (init_optimization_passes): Add fixup_cfg.
3731 2009-03-28  Richard Guenther  <rguenther@suse.de>
3733         PR tree-optimization/38458
3734         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3735         argument use the arguments copy-of value.
3737 2009-03-28  Richard Guenther  <rguenther@suse.de>
3739         PR tree-optimization/38180
3740         * tree-ssa-ccp.c (get_default_value): Simplify.
3741         (likely_value): Likewise.
3742         (surely_varying_stmt_p): Properly handle VOP case.
3743         (ccp_initialize): Likewise.
3744         (ccp_fold): Handle propagating through *&.
3745         (fold_const_aggregate_ref): Also handle decls.
3747 2009-03-28  Jan Hubicka  <jh@suse.cz>
3749         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3750         * cgraph.h (cgraph_node): Likewise.
3751         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3752         (cgraph_reset_node): Use process flag.
3753         (cgraph_mark_functions_to_output): Likewise.
3754         (cgraph_expand_function): Likewise.
3755         (cgraph_expand_all_functions): Likewise.
3756         (cgraph_output_in_order): Likewise.
3757         * dwarf2out.c (reference_to_unused): Likewise.
3758         * passes.c do_per_function_toporder): Likewise.
3760 2009-03-28  Jan Hubicka  <jh@suse.cz>
3762         Bring from lto-branch:
3764         2008-09-03  Doug Kwan  <dougkwan@google.com>
3766         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3767         enums instead of reason strings.
3768         * cgraph.c (cgraph_create_edge): Same.
3769         (cgraph_inline_failed_string): New function.
3770         * cgraph.h (cgraph_inline_failed_t): New enum type.
3771         (cgraph_inline_failed_string): New prototype.
3772         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3773         char pointer to cgraph_inline_failed_t.
3774         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3775         (cgraph_default_inline_p): Ditto.
3776         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3777         to cgraph_inline_failed_t pointer.
3778         * cif-code.def: New file.
3779         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3780         reason string.
3781         (cgraph_check_inline_limits): Change type of REASON to pointer to
3782         cgraph_inline_failed_t.  Replace reason strings with enums.
3783         (cgraph_default_inline_p): Ditto.
3784         (cgraph_recursive_inlining_p): Ditto.
3785         (update_caller_keys): Change type of FAILED_REASON to
3786         cgraph_inline_failed_t.
3787         (cgraph_set_inline_failed): Change type of REASON to pointer to
3788         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3789         convert enums to strings for text output.
3790         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3791         to be of type cgraph_inline_failed_t.  Replace reason strings with
3792         enums.  Call cgraph_inline_failed_string to covert enums
3793         to strings for text output.
3794         (cgraph_decide_inlining): Replace reason strings with enums.
3795         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3796         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3797         for text output.
3798         * tree-inline.c (expand_call_inline): Change type of REASON
3799         to cgraph_inline_failed_t.  Replace reason strings with enums.
3800         Call cgraph_inline_failed_string for text output.
3801         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3802         (cgraph.o): Ditto.
3804 2009-03-28  Jan Hubicka  <jh@suse.cz>
3806         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3807         cgraph_clone_node): Remove master clone handling.
3808         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3809         * cgraph.h (master_clone): Remove.
3810         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3811         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3812         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3814 2009-03-28  Jan Hubicka  <jh@suse.cz>
3816         * cgraph.c (cgraph_function_body_availability): Functions declared
3817         inline are always safe to assume that it is not going to be replaced.
3819 2009-03-28  Richard Guenther  <rguenther@suse.de>
3821         PR tree-optimization/38513
3822         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3823         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3824         EXC_PTR_EXPR and FILTER_EXPR.
3825         (get_ref_from_reference_ops): Likewise.
3827 2009-03-28  Richard Guenther  <rguenther@suse.de>
3829         PR tree-optimization/38968
3830         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3831         Use FLOOR_MOD_EXPR to compute misalignment.
3833 2009-03-28  Richard Guenther  <rguenther@suse.de>
3835         PR tree-optimization/37795
3836         * tree.h (combine_comparisons): Declare.
3837         * fold-const.c (combine_comparisons): Export.
3838         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3839         comparisons.
3840         (ifcombine_iforif): Use combine_comparisons.
3842 2009-03-28  Jan Hubicka  <jh@suse.cz>
3844         * tree-eh.c (inlinable_call_p): New function.
3845         (make_eh_edges): Use it.
3846         (verify_eh_edges): Use it.
3847         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3848         * except.c (reachable_next_level): Add inlinable_function argument
3849         (sjlj_find_directly_reachable_regions): Update.
3850         (add_reachable_handler): Do not set saw_any_handlers.
3851         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3852         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3853         Add new inlinable call parameter.
3854         (can_throw_internal, can_throw_external): Update.
3855         * except.h (can_throw_internal_1, can_throw_external_1,
3856         foreach_reachable_handler): Update declaration.
3858 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3860         * config/arm/t-arm-coff, config/h8300/coff.h,
3861         config/i386/i386-aout.h, config/i386/i386-coff.h,
3862         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3863         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3864         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3865         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3866         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3867         sys-types.h: Remove.
3868         * Makefile.in: Remove protoize and fixproto support and references
3869         in comments.
3870         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3871         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3872         Remove.
3873         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3874         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3875         unprotoize$(exeext).
3876         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3877         (.PHONY): Don't depend on proto.
3878         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3879         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3880         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3881         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3882         build/gen-protos.o, build/scan.o, xsys-protos.h,
3883         build/fix-header$(build_exeext), build/fix-header.o,
3884         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3885         stmp-install-fixproto): Remove.
3886         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3887         SYSCALLS.c or fixproto files.
3888         (install-common): Don't install protoize.
3889         (install-headers-tar, install-headers-cpio, install-headers-cp):
3890         Don't depend on $(STMP_FIXPROTO).
3891         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3892         install fixproto files or write out fixproto settings.
3893         (uninstall): Don't uninstall protoize.
3894         * config.gcc (use_fixproto): Remove.
3895         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3896         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3897         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3898         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3899         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3900         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3901         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3902         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3903         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3904         * config/t-vxworks (STMP_FIXPROTO): Remove.
3905         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3906         STMP_FIXPROTO): Remove.
3907         * config.in, configure: Regenerate.
3908         * crtstuff.c (gid_t, uid_t): Don't undefine.
3909         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3910         (arm-*-coff, arm-*-aout: Remove target entries.
3911         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3912         Remove mention of AIX 4.1.
3913         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3914         * doc/invoke.texi (Running Protoize): Remove.
3915         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3916         (Protoize Caveats): Remove.
3917         * tsystem.h: Update comments on headers assumed to exist.
3919 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3921         * genautomata.c: Add a new year to the copyright.  Add a new
3922         reference.
3923         (struct insn_reserv_decl): Add comments for member bypass_list.
3924         (find_bypass): Remove.
3925         (insert_bypass): New.
3926         (process_decls): Use insert_bypass.
3927         (output_internal_insn_latency_func): Output all bypasses with the
3928         same input insn in one switch case.
3930         * rtl.def (define_bypass): Describe bypass choice.
3931         * doc/md.texi (define_bypass): Ditto.
3933 2009-03-27  Richard Guenther  <rguenther@suse.de>
3935         * gimplify.c (mark_addressable): Export.
3936         * tree-flow.h (mark_addressable): Declare.
3937         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3938         * tree-ssa.c (verify_phi_args): Verify that address taken
3939         variables have TREE_ADDRESSABLE set.
3941 2009-03-27  Richard Guenther  <rguenther@suse.de>
3943         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3944         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3945         Do not mark decls TREE_ADDRESSABLE.
3946         (build_fold_addr_expr): Adjust.
3947         (fold_addr_expr): Remove.
3948         (fold_unary): Use build_fold_addr_expr.
3949         (fold_comparison): Likewise.
3950         (split_address_to_core_and_offset): Likewise.
3951         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3952         TREE_ADDRESSABLE.
3953         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3954         (gimplify_modify_expr_to_memcpy): Mark source and destination
3955         addressable.
3956         * omp-low.c (create_omp_child_function): Mark the object decl
3957         TREE_ADDRESSABLE.
3958         (lower_rec_input_clauses): Mark the var we take the address of
3959         TREE_ADDRESSABLE.
3960         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3962 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3964         PR middle-end/39315
3965         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3966         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3968 2009-03-27  Richard Guenther  <rguenther@suse.de>
3970         PR tree-optimization/39120
3971         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3972         constraints.
3973         (handle_lhs_call): Process return constraints.  Add escape
3974         constraints if necessary.
3975         (handle_const_call): Fill out return constraints.  Make nested
3976         case more precise.  Avoid consttmp if possible.
3977         (handle_pure_call): Fill out return constraints.  Avoid
3978         callused if possible.
3979         (find_func_aliases): Simplify call handling.
3981 2009-03-27  Richard Guenther  <rguenther@suse.de>
3983         PR tree-optimization/39120
3984         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3985         as a representative.
3986         (solve_graph): Do propagate CALLUSED.
3987         (handle_pure_call): Use a scalar constraint from CALLUSED for
3988         the return value.
3989         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3990         solutions.
3992 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3994         PR c/39323
3995         * c-common.c (handle_aligned_attribute): Properly check alignment
3996         overflow.  Use (1U << i) instead of (1 << i).
3998         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
4000         * expr.h (get_mem_align_offset): Updated.
4002         * tree.h (tree_decl_common): Change align to "unsigned int" and
4003         move it before pointer_alias_set.
4005 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4006             Jakub Jelinek  <jakub@redhat.com>
4008         PR target/38034
4009         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
4010         gr_register_operand with gr_reg_or_0_operand.
4011         (cmpxchg_rel_di): Likewise.
4012         (sync_lock_test_and_set<mode>): Likewise.
4014 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4016         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
4017         (true_regnum): Likewise.
4019         * rtlanal.c (subreg_info): Moved to ...
4020         * rtl.h (subreg_info): Here.  New.
4021         (subreg_get_info): New.
4023         * rtlanal.c (subreg_get_info): Make it extern.
4025 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4027         PR target/39472
4028         * config/i386/i386.c (ix86_abi): New.
4029         (override_options): Handle -mabi=.
4030         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
4031         (ix86_call_abi_override): Likewise.
4032         (init_cumulative_args): Likewise.
4033         (function_arg_advance): Likewise.
4034         (function_arg_64): Likewise.
4035         (function_arg): Likewise.
4036         (ix86_pass_by_reference): Likewise.
4037         (ix86_function_value_regno_p): Likewise.
4038         (ix86_build_builtin_va_list_abi): Likewise.
4039         (setup_incoming_varargs_64): Likewise.
4040         (is_va_list_char_pointer): Likewise.
4041         (ix86_init_machine_status): Likewise.
4042         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
4043         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
4044         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
4045         (ix86_function_abi): Make it static and return enum calling_abi.
4046         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
4047         with ix86_abi.
4048         (ix86_fn_abi_va_list): Updated.
4050         * config/i386/i386.h (ix86_abi): New.
4051         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
4052         (CONDITIONAL_REGISTER_USAGE): Likewise.
4053         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
4054         (machine_function): Likewise.
4056         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
4057         with ix86_abi.
4058         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
4059         (STACK_BOUNDARY): Likewise.
4060         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
4062         * config/i386/i386.opt (mabi=): New.
4064         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
4065         return enum calling_abi.
4066         (ix86_function_type_abi): Likewise.
4067         (ix86_function_abi): Removed.
4069         * doc/invoke.texi: Document -mabi= option for x86.
4071 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4073         * builtins.c (real_dconstp): Delete.
4074         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
4076 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
4077             Jakub Jelinek  <jakub@redhat.com>
4079         PR debug/37959
4080         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
4081         (gen_subprogram_die): When a function is explicit, generate the
4082         DW_AT_explicit attribute.
4083         * langhooks.h (struct lang_hooks_for_decls): Add
4084         function_decl_explicit_p langhook.
4085         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
4086         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4088 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
4090         * builtins.c (fold_builtin_memory_op): Optimize memmove
4091         into memcpy if we can prove source and destination don't overlap.
4093         * tree-inline.c: Include gt-tree-inline.h.
4094         (clone_fn_id_num): New variable.
4095         (clone_function_name): New function.
4096         (tree_function_versioning): Use it.
4097         * Makefile.in (GTFILES): Add tree-inline.c.
4099 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4101         * BASE-VER: Change to 4.5.0.
4103 2009-03-27  Xinliang David Li  <davidxl@google.com>
4105         PR tree-optimization/39557
4106         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4108 2009-03-27  Xinliang David Li  <davidxl@google.com>
4110         PR tree-optimization/39548
4111         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
4112         candidate check.
4114 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4116         * c-common.c (pointer_int_sum): Use %wd on return from
4117         tree_low_cst.
4119 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4121         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4122         on return from tree_low_cst.
4124 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4126         PR c++/36799
4127         * ginclude/stdarg.h (va_copy): Define also for
4128         __GXX_EXPERIMENTAL_CXX0X__.
4130 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4132         PR c++/35652
4133         * builtins.h (c_strlen): Do not warn here.
4134         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4135         * c-common.c (pointer_int_sum): Take an explicit location.
4136         Warn about offsets out of bounds.
4137         * c-common.h (pointer_int_sum): Adjust declaration.
4139 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4141         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4142         markup glitch.
4144 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4146         PR c++/39554
4147         * opts.c (warn_if_disallowed_function_p): Don't assume
4148         get_callee_fndecl must return non-NULL.
4150 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4152         PR rtl-optimization/39522
4153         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4154         when reg_reloaded_valid is set.
4156 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4158         * config/spu/divv2df3.c: New file.
4159         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4160         (DPBIT_FUNCS): Filter out _div_df.
4162 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4164         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4165         a jump insn, count that jump in the distance to the loop start.
4167 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4169         PR target/39523
4170         * config/sh/sh.c (calc_live_regs): Fix condition for global
4171         registers except PIC_OFFSET_TABLE_REGNUM.
4173 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4175         PR/39518
4176         * doc/invoke.texi (-mconsole): New.
4177         (-mcygwin): New.
4178         (-mno-cygwin): New.
4179         (-mdll): New.
4180         (-mnop-fun-dllimport): New.
4181         (-mthread): New.
4182         (-mwin32): New.
4183         (-mwindows): New.
4184         (sub section "i386 and x86-64 Windows Options"): New.
4186 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4188         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4189         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4191 2009-03-25  Richard Guenther  <rguenther@suse.de>
4193         PR middle-end/39497
4194         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4195         of -Wno-error.
4197 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4199         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4200         neither of haifa/selective schedulers are working.
4202 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4204         * doc/invoke.texi (Debugging Options): Fix description of
4205         -fno-merge-debug-strings.
4207 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4209         * config/cris/libgcc.ver: New version-script.
4210         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4212         * configure.ac <GAS features, nop mnemonic>: Add pattern
4213         crisv32-*-* for "nop".
4214         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4215         * configure: Regenerate.
4217 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4219         PR tree-optimization/39529
4220         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4221         mark_sym_for_renaming for the tag copied to the new vector
4222         pointer.
4224 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4226         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4227         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4228         EXTRA_SPEC_FUNCTIONS.
4229         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4230         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4231         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4232         -march and -mtune options.
4234 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4236         * config/m68k/t-rtems: Add m5329 multilib.
4238 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4239             Jakub Jelinek  <jakub@redhat.com>
4241         PR debug/39524
4242         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4243         nodes.
4245 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4247         PR c/39495
4248         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4249         instead of c_parser_expression_conv, if original_code isn't one of the
4250         4 allowed comparison codes, fail.
4252 2009-03-23  Richard Guenther  <rguenther@suse.de>
4254         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4255         * tree.h (struct tree_type): Likewise.
4256         * reload.h (struct insn_chain): Likewise.
4257         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4258         * function.h (struct function): Likewise.
4259         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4261 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4263         PR tree-optimization/39516
4264         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4266 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4268         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4269         should be set true if BITS_PER_WORD of target is bigger than 32
4271 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4273         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4274         Translate -B-options to -rpath-link.  Correct existing
4275         rpath-link and conditionalize on !nostdlib.
4277 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4279         * doc/extend.texi (Function Attributes, Variable Attributes):
4280         Fix typos.
4281         * doc/invoke.texi (Debugging Options, Optimize Options)
4282         (i386 and x86-64 Options, MCore Options): Likewise.
4284 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4286         PR debug/37890
4287         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4288         it for block local namespace aliases.
4289         (gen_decl_die): Pass context_die to gen_namespace_die.
4291 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4293         PR c/39495
4294         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4295         minimum or maximum value.
4297 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4299         * reginfo.c (globalize_reg): Recompute derived reg sets.
4301 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4303         PR target/39063
4304         * libgcc2.c (mprotect): Do not use signed arguments for
4305         VirtualProtect, use DWORD arguments.  Also fix the 'may
4306         be used uninitialized' warning for the np variable.
4308 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4310         PR target/39496
4311         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4312         functions using regparm calling conventions when not optimizing.
4313         (ix86_function_sseregparm): Similarly for sseregparm calling
4314         conventions.
4316 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4318         PR middle-end/39500
4319         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4320         dependence if the first conflict is after niter iterations.
4322 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4324         PR middle-end/38609
4325         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4326         functions with dynamic stack-pointer adjustments.
4328 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4330         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4331         option; change to -msdata=data.
4333 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4335         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4336         and -fopenmp.
4338 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4340         PR target/35180
4341         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4343 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4345         * doc/invoke.texi (Code Gen Options): Expand discussion of
4346         -fno-common.
4348 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4350         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4351         * matrix-reorg.c (struct matrix_info): Likewise.
4352         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4353         * rtl.h (struct mem_attrs): Likewise.
4354         * df.h (struct df): Likewise.
4355         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4356         * ira-int.h (struct ira_allocno): Likewise.
4357         * df-scan.c (struct df_collection_rec): Likewise.
4358         * ira.c (struct equivalence): Likewise.
4359         * function.c (struct temp_slot): Likewise.
4360         * cfgloop.h (struct loop): Likewise.
4362         PR debug/39485
4363         * function.c (use_register_for_decl): When not optimizing, disregard
4364         register keyword for variables with types containing methods.
4366 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4368         PR middle-end/39447
4369         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4370         (is_simple_operand): Call contains_component_ref_p before calling data
4371         reference analysis that would fail on COMPONENT_REFs.
4373         * tree-vrp.c (search_for_addr_array): Fix formatting.
4375 2009-03-18  Richard Guenther  <rguenther@suse.de>
4377         * tree-vect-transform.c (vect_loop_versioning): Fold the
4378         generated comparisons.
4379         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4380         (slpeel_tree_peel_loop_to_edge): Likewise.
4382 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4384         PR middle-end/37805
4385         * opts.c (print_specific_help): In addition to `undocumented',
4386         accept `separate' and `joined' flags if passed alone.  Describe
4387         output by the first matched one of those.
4388         (common_handle_option): Skip over empty strings.
4389         * gcc.c (display_help): Fix help string for `--help='.
4390         * doc/invoke.texi (Option Summary, Overall Options): With
4391         `--help=', classes and qualifiers can both be repeated, but
4392         only the latter can be negated.  One should not pass only
4393         negated qualifiers.  Fix markup and examples.
4395         Revert
4396         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4397         PR middle-end/37805
4398         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4399         and -fhelp=separate.
4401 2009-03-17  Jing Yu  <jingyu@google.com>
4403         PR middle-end/39378
4404         * function.h (struct rtl_data): Move is_thunk from here...
4405         (struct function): ...to here.
4406         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4407         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4408         cfun.
4409         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4410         cfun.
4411         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4412         (alpha_output_function_end_prologue): Likewise.
4413         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4414         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4415         (rs6000_output_function_epilogue): Likewise.
4416         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4418 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4420         PR target/39482
4421         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4422         from different units in a single alternative.
4423         (*truncdfsf_i387): Ditto.
4424         (*truncxfsf2_mixed): Ditto.
4425         (*truncxfdf2_mixed): Ditto.
4427 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4429         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4430         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4432         PR debug/39474
4433         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4434         unused non-artificial variables when not optimizing.
4436         PR debug/39471
4437         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4438         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4439         NAMESPACE_DECL in its DECL_INITIAL.
4441         PR middle-end/39443
4442         * optabs.c (set_user_assembler_libfunc): New function.
4443         * expr.h (set_user_assembler_libfunc): New prototype.
4444         * c-common.c: Include libfuncs.h.
4445         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4446         for memcmp, memset, memcpy, memmove and abort.
4447         * Makefile.in (c-common.o): Depend on libfuncs.h.
4449         PR debug/39412
4450         * dwarf2out.c (gen_inlined_enumeration_type_die,
4451         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4452         gen_tagged_type_instantiation_die): Removed.
4453         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4454         do nothing.
4456 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4458         PR testsuite/38526
4459         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4460         its use.
4461         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4462         (check-parallel-%): Ditto.
4463         (check-consistency): Ditto.
4465 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4467         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4468         local variable rhs by NULL_TREE.
4470 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4472         PR target/39477
4473         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4475 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4477         PR target/39476
4478         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4480 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4482         PR target/39473
4483         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4484         for ms->sysv ABI calls only in 64bit mode.
4486         * config/i386/i386.md (untyped_call): Support 32bit.
4488 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4490         * doc/extend.texi: Replace x86_65 with x86_64.
4492 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4494         PR tree-optimization/39455
4495         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4496         mismatches for POINTER_TYPE_P (type).
4497         (number_of_iterations_le): Likewise.
4499 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4501         * config/picochip/picochip.c: Removed profiling support.
4502         * config/picochip/picochip.md: Removed profiling instruction.
4503         * config/picochip/picochip.h: Removed profiling builtin.
4505 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4507         * doc/install.texi (--with-host-libstdcxx): Document.
4509 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4511         PR target/34299
4512         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4513         generate a warning if the function name does not begin with
4514         "__vector" and the function has either the 'signal' or 'interrupt'
4515         attribute, from here to ...
4516         (avr_declare_function_name): ...here. New function.
4517         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4518         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4520 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4522         PR bootstrap/39454
4523         * cse.c (fold_rtx): Don't modify original const_arg1 when
4524         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4525         separate variable instead.
4526         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4527         from out of range shift counts.
4528         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4530 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4532         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4533         diagnostic.h with $(DIAGNOSTIC_H).
4535 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4537         PR target/39431
4538         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4539         predicate.
4540         * config/i386/sync.md (sync_compare_and_swap<mode>,
4541         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4542         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4543         into a register.
4544         (sync_double_compare_and_swapdi_pic,
4545         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4546         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4548 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4550         PR target/39445
4551         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4553 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4555         PR target/39327
4556         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4557         (avx_addsubv4df3): Likewise.
4558         (*avx_addsubv4sf3): Likewise.
4559         (sse3_addsubv4sf3): Likewise.
4561 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4563         PR target/38824
4564         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4566 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4568         PR debug/39432
4569         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4570         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4571         registers for allocnos created from user-defined variables.
4573 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4575         PR target/39181
4576         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4577         of non-integer mode as well.
4579 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4581         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4582         for functions for which the parameter types are unknown.
4584 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4586         PR target/39137
4587         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4588         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4589         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4590         * config/i386/i386.c (ix86_local_alignment): For
4591         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4592         long long variables on the stack to avoid dynamic realignment.
4593         Allow the first argument to be a decl rather than type.
4594         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4596 2009-03-11  Nick Clifton  <nickc@redhat.com>
4598         PR target/5362
4599         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4600         options.
4601         Add description to mno-lsim option.
4602         * config/mcore/mcore.h: Remove comment about deprecated m4align
4603         option.
4604         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4605         * doc/invoke.texi: Add description of mno-lsim and
4606         mstack-increment options.
4608         * config/fr30/fr30.opt: Document the -mno-lsim option.
4609         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4610         and -mno-lsim options.
4612 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4614         * fold-const.c (fold_comparison): Only call fold_inf_compare
4615         if the mode supports infinities.
4617 2009-03-11  Jason Merrill  <jason@redhat.com>
4619         PR debug/39086
4620         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4621         end already did.  Notice GIMPLE_CALL modifications of the result.
4622         Don't copy debug information from an ignored decl or a decl from
4623         another function.
4625 2009-03-10  Richard Guenther  <rguenther@suse.de>
4626             Nathan Froyd  <froydnj@codesourcery.com>
4628         PR middle-end/37850
4629         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4630         (__divMODE3): Likewise.
4632 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4634         PR tree-optimization/39394
4635         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4636         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4638 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4640         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4641         inline asms for register asm ("") declarations.
4643 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4645         * fold-const.c (fold_unary): Fix comment.
4647 2009-03-07  Jan Hubicka  <jh@suse.cz>
4649         PR target/39361
4650         * tree-inline.c (setup_one_parameter): Do replacement of const
4651         argument by constant in SSA form.
4653 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4655         PR middle-end/38028
4656         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4657         determine alignment passed to assign_stack_local.
4658         (assign_parms_unsplit_complex): Likewise.
4659         * except.c (sjlj_build_landing_pads): Likewise.
4661 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4663         PR middle-end/39360
4664         * tree-flow.h (add_referenced_var): Return bool instead of void.
4665         * tree-dfa.c (add_referenced_var): Return result of
4666         referenced_var_check_and_insert call.
4667         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4668         of referenced_var_check_and_insert.
4670         PR debug/39372
4671         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4672         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4673         DIE, don't emit it if abstract origin already has it.
4674         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4675         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4677 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4679         * genpreds.c (needs_variable): Fix parentheses at variable name
4680         detection.
4681         (write_tm_constrs_h): Indent generated code.
4683 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4685         * doc/extend.texi (Function Attributes): Add documentation
4686         for isr attributes.
4688 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4690         PR debug/39387
4691         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4692         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4694 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4696         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4697         the loop as bad.
4699 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4701         PR debug/39379
4702         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4703         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4705 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4707         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4708         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4709         constants instead of magic numbers.
4710         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4711         (QI_REG_P): Ditto.
4712         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4713         (x86_64_ms_abi_int_parameter_registers): Ditto.
4714         (x86_64_int_return_registers): Ditto.
4715         (ix86_maybe_switch_abi): Ditto.
4716         (ix86_expand_call): Ditto for clobbered_registers array.
4717         (ix86_hard_regno_mode_ok): Ditto.
4718         (x86_extended_QIreg_mentioned_p): Ditto.
4720 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4722         PR tree-optimization/39349
4723         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4725         * combine.c (gen_lowpart_for_combine): Use omode when generating
4726         clobber.
4728 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4730         PR rtl-optimization/39235
4731         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4733 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4735         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4737 2009-03-04  Richard Guenther  <rguenther@suse.de>
4739         PR tree-optimization/39362
4740         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4741         that occur in abnormal PHIs should be varying.
4743 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4745         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4746         Extend comments.
4747         (simple_iv):  Take loop as an argument instead of statement.
4748         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4749         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4750         to simple_iv.
4751         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4752         Ditto.
4753         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4754         * matrix-reorg.c (analyze_transpose): Ditto.
4755         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4756         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4757         * tree-predcom.c (ref_at_iteration): Ditto.
4758         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4760 2009-03-04  Richard Guenther  <rguenther@suse.de>
4762         PR tree-optimization/39358
4763         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4764         escaped_id and callused_id.
4765         (solve_graph): Likewise.
4767 2009-03-04  Richard Guenther  <rguenther@suse.de>
4769         PR tree-optimization/39339
4770         * tree-sra.c (try_instantiate_multiple_fields): Make it
4771         no longer ICE on the above.
4773 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4775         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4776         that fits within Pmode.
4778 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4780         PR middle-end/10109
4781         * tm.texi (LIBCALL_VALUE): Update description.
4783 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4785         PR middle-end/34443
4786         * doc/extend.texi (section): Update description.
4788 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4790         PR middle-end/39345
4791         * tree-inline.c (remapped_type): New.
4792         (can_be_nonlocal): Call remapped_type instead of remap_type.
4794 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4796         PR fortran/39354
4797         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4798         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4800 2009-03-03  Richard Guenther  <rguenther@suse.de>
4802         PR middle-end/39272
4803         * tree.c (tree_nonartificial_location): New function.
4804         * tree.h (tree_nonartificial_location): Declare.
4805         * builtins.c (expand_builtin_memory_chk): Provide location
4806         of the call location for artificial function pieces.
4807         (maybe_emit_chk_warning): Likewise.
4808         (maybe_emit_sprintf_chk_warning): Likewise.
4809         (maybe_emit_free_warning): Likewise.
4810         * expr.c (expand_expr_real_1): Likewise.
4812 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4814         PR tree-optimization/39343
4815         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4816         COMPONENT_REF t has ARRAY_TYPE.
4818 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4820         PR middle-end/39335
4821         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4822         when the type precision of the induction variable should be
4823         larger than the type precision of nit.
4824         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4825         * graphite.c (graphite_loop_normal_form): Same.
4826         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4828 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4830         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4831         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4832         numbers to describe clobbered registers.
4833         (*call_value_0_rex64_ms_sysv): Ditto.
4834         * config/i386/mmx.md (mmx_emms): Ditto.
4835         (mmx_femms): Ditto.
4837 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4839         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4840         of ABI_64.
4842 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4844         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4845         (spu_section_type_flags): New function.
4847 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4849         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4850         reg_class_contents of FLOAT_REGS into a temporary.
4852 2009-03-02  Richard Guenther  <rguenther@suse.de>
4853             Ira Rosen  <irar@il.ibm.com>
4855         PR tree-optimization/39318
4856         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4857         information to the vectorized statement.
4859 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4861         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4862         variable.  Use defined names instead of magic constants for REX SSE
4863         registers.
4865 2009-03-01  Richard Guenther  <rguenther@suse.de>
4867         PR tree-optimization/39331
4868         * omp-low.c (lower_send_shared_vars): Do not receive new
4869         values for the reference of DECL_BY_REFERENCE parms or results.
4871 2009-03-01  Jan Hubicka  <jh@suse.cz>
4873         PR debug/39267
4874         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4875         BLOCK_NONLOCALIZED_VAR): New macros.
4876         (tree_block): Add nonlocalized_vars.
4877         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4878         gen_decl_die): Add origin argument.  Allow generation of die with
4879         origin at hand only.
4880         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4881         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4882         of gen_*.
4883         (gen_block_die): Fix checking for unused blocks.
4884         (process_scope_var): Break out from .... ; work with origins only.
4885         (decls_for_scope) ... here; process nonlocalized list.
4886         (dwarf2out_ignore_block): Look for nonlocalized vars.
4887         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4888         vars.
4889         (dump_scope_block): Dump them.
4890         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4891         (remap_block): Likewise.
4892         (can_be_nonlocal): New predicate.
4893         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4895 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4897         * configure: Regenerate.
4899 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4901         * optc-gen.awk: No need to duplicate option flags twice.
4902         Reuse help texts for duplicate options which do not have any.
4904         * gcc.c (display_help): Document --version.
4906         * gcc.c (main): If print_help_list and verbose_flag, ensure
4907         driver output comes before subprocess output.
4909         * optc-gen.awk: Assign all remaining fields to help string,
4910         space-separated, for multi-line help in *.opt.
4912         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4913         -Wno-pedantic-ms-format is for MinGW targets only.
4915         * doc/options.texi (Option file format): Fix bad indentation,
4916         restoring dropped sentence.
4918 2009-02-28  Jan Hubicka  <jh@suse.cz>
4920         * tree-inline.c (tree_function_versioning): Output debug info.
4922 2009-02-28  Jan Hubicka  <jh@suse.cz>
4924         PR debug/39267
4925         * tree-inline.c (setup_one_parameter): Do not copy propagate
4926         arguments when not optimizing.
4928 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4930         PR target/39327
4931         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4932         (avx_addsubv4df3): Likewise.
4933         (*avx_addsubv4sf3): Likewise.
4934         (sse3_addsubv4sf3): Likewise.
4935         (*avx_addsubv2df3): Likewise.
4936         (sse3_addsubv2df3): Likewise.
4937         (avx_unpckhps256): Correct item selectors.
4938         (avx_unpcklps256): Likewise.
4939         (avx_unpckhpd256): Likewise.
4940         (avx_unpcklpd256): Likewise.
4942 2009-02-28  Jan Hubicka  <jh@suse.cz>
4944         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4945         static vars.
4946         (copy_arguments_for_versioning): If var is declared don't declare it.
4947         (tree_function_versioning): First setup substitutions and then copy
4948         args.
4950 2009-02-27  Jan Hubicka  <jh@suse.cz>
4952         PR debug/39267
4953         * cgraph.h (varpool_output_debug_info): Remove.
4954         * cgraphunit.c (varpool_output_debug_info): Remove.
4955         * dwarf2out.c (deferred_locations_struct): New struct
4956         (deferred_locations): New type.
4957         (deferred_locations_list): New static var.
4958         (deffer_location): New function.
4959         (gen_variable_die): Use it.
4960         (decls_for_scope): Output info on local static vars.
4961         (dwarf2out_finish): Process deferred locations.
4962         * varpool.c (varpool_output_debug_info): Remove.
4964 2009-02-27  Jan Hubicka  <jh@suse.cz>
4966         PR debug/39267
4967         * tree.h (TREE_PROTECTED): Fix comment.
4968         (BLOCK_HANDLER_BLOCK): Remove.
4969         (struct tree_block): Remove handler_block add body_block.
4970         (inlined_function_outer_scope_p): New.
4971         (is_body_block): Remove.
4972         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4973         * dwarf2out.c (is_inlined_entry_point): Remove.
4974         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4975         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4976         code.
4977         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4978         * gimplify.c (gimplify_expr): Gimplify body blocks.
4979         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4980         block with multiple subblocks.
4981         (dump_scope_block): Prettier output; dump more flags and info.
4982         (dump_scope_blocks): New.
4983         (remove_unused_locals): Use dump_scope_blocks.
4984         * tree-flow.h (dump_scope_blocks): Declare.
4985         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4986         * stmt.c (is_body_block): Remove.
4987         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4988         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4990 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4992         PR middle-end/39308
4993         * graphite.c (graphite_loop_normal_form): Do not call 
4994         number_of_iterations_exit from a gcc_assert.
4996 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4998         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4999         jumps if COND is NULL.
5000         (find_cond_jump): New function.
5001         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
5002         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
5004 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
5006         * config/alpha/alpha.h (alpha_expand_mov): Return false if
5007         force_const_mem returns NULL_RTX.
5009 2009-02-26  Jan Hubicka  <jh@suse.cz>
5011         PR debug/39267
5012         * cgraph.h (varpool_output_debug_info): Remove.
5013         * cgraphunit.c (varpool_output_debug_info): Remove.
5014         * dwarf2out.c (deferred_locations_struct): New struct
5015         (deferred_locations): New type.
5016         (deferred_locations_list): New static var.
5017         (deffer_location): New function.
5018         (gen_variable_die): Use it.
5019         (decls_for_scope): Output info on local static vars.
5020         (dwarf2out_finish): Process deferred locations.
5021         * varpool.c (varpool_output_debug_info): Remove.
5023 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
5025         PR rtl-optimization/39241
5026         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
5027         to subreg_offset_representable_p.
5029 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5031         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
5032         execute function prototype.  Get f and nregs from max_reg_num
5033         and get_insns.  Remove the first backward pass as it's dead,
5034         guard the forward pass by flag_expensive_optimizations.
5035         (rest_of_handle_regmove): Delete.
5036         (pass_regmove): Replace it with regmove_optimize.
5038 2009-02-25  Martin Jambor  <mjambor@suse.cz>
5040         PR tree-optimization/39259
5041         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
5042         calls_alloca function flags.
5043         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
5044         calls are detected.
5046 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5048         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
5049         flags_set_1_rtx, flags_set_1_set): Delete.
5050         (regmove_optimize): Do not call mark_flags_life_zones.
5052 2009-02-24  Julian Brown  <julian@codesourcery.com>
5054         PR target/35965
5055         * config/arm/arm.c (require_pic_register): Only set
5056         cfun->machine->pic_reg once per function.
5058 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
5060         * doc/invoke.texi (Link Options): Document an easier way to pass
5061         options that take arguments to the GNU linker using -Xlinker and -Wl.
5063 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
5065         PR target/33785
5066         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
5068 2009-02-24  Richard Guenther  <rguenther@suse.de>
5070         PR debug/39285
5071         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
5073 2009-02-24  Richard Guenther  <rguenther@suse.de>
5074             Zdenek Dvorak  <ook@ucw.cz>
5076         PR tree-optimization/39233
5077         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
5078         from converting them to a generic type.
5080 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5082         PR tree-optimization/39260
5083         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
5084         contains a condition with a real type.
5085         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
5087 2009-02-23  Jason Merrill  <jason@redhat.com>
5089         PR c++/38880
5090         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5091         narrowing_initializer_constant_valid_p.
5092         (narrowing_initializer_constant_valid_p): Don't return 
5093         null_pointer_node for adding a pointer to itself.
5095 2009-02-23  Jan Hubicka  <jh@suse.cz>
5097         PR c/12245
5098         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5099         resizing.
5101 2009-02-23  Jan Hubicka  <jh@suse.cz>
5103         PR tree-optimization/37709
5104         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5105         * tree.h (block_ultimate_origin): Declare.
5106         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5107         * tree-ssa-live.c (remove_unused_scope_block_p):
5108         Eliminate blocks containig no instructions nor live variables nor
5109         nested blocks.
5110         (dump_scope_block): New function.
5111         (remove_unused_locals): Enable removal of dead blocks by default;
5112         enable dumping at TDF_DETAILS.
5114 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5116         * config/i386/i386.c (classify_argument): Don't allow COImode
5117         and OImode.
5118         (function_arg_advance_32): Don't allow OImode.
5119         (function_arg_32): Likewise.
5120         (function_value_32): Likewise.
5121         (return_in_memory_32): Likewise.
5122         (function_arg_64): Remove OImode comment.
5124 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5126         PR target/39261
5127         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5128         ix86_expand_vector_set for V4DImode in 64bit mode only.
5129         (ix86_expand_vector_init_one_var): Likewise.
5131 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5133         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5135 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5137         PR bootstrap/39257
5138         * loop-iv.c: Revert last change.
5139         * emit-rtl.c: Likewise.
5141 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5143         PR target/39256
5144         * config/i386/i386.c (type_natural_mode): Remove an extra
5145         space in the warning message.
5146         (function_value_32): Handle 32-byte vector modes.
5147         (return_in_memory_32): Likewise.
5149 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5151         * loop-iv.c (truncate_value): New function.
5152         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5153         of lowpart_subreg.
5154         (lowpart_subreg): Move to...
5155         * emit-rtl.c: ...here.
5157 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5159         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5160         accidental and undocumented change at revision 140860.
5162 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5164         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5165         take gimple_seq * arguments.
5166         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5167         types_compatible_p langhook.
5169 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5170             Joseph Myers  <joseph@codesourcery.com>
5172         * config/arm/arm.c (arm_builtin_va_list): New function.
5173         (arm_expand_builtin_va_start): Likewise.
5174         (arm_gimplify_va_arg_expr): Likewise.
5175         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5176         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5177         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5178         (va_list_type): New variable.
5179         (arm_mangle_type): Mangle va_list_type appropriately.
5181 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5183         PR middle-end/39157
5184         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5185         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5186         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5187         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5188         parameter to 1000 for -O1 by default.
5189         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5190         parameter.
5191         * loop-invariant.c: Include params.h.
5192         (move_loop_invariants): Don't call move_single_loop_invariants on
5193         very large loops.
5195 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5197         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5198         offset when calculating bounds for indexing stack_usage_map.  Fixes
5199         a buffer overflow with certain target setups.
5201 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5203         PR target/39240
5204         * calls.c (expand_call): Clear try_tail_call if caller and callee
5205         disagree in promotion of function return value.
5207 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5209         PR target/39175
5210         * c-common.c (c_determine_visibility): If visibility changed and
5211         DECL_RTL has been already set, call make_decl_rtl to update symbol
5212         flags.
5214 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5216         PR c++/39188
5217         * varasm.c (assemble_variable): Don't check DECL_NAME when
5218         globalizing a variable.
5220 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5222         PR c/38483
5223         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5224         expression before any __builtin_trap call.
5225         * c-typeck.c (build_function_call): Convert and check function
5226         arguments before generating a call to a trap.  Evaluate the
5227         function arguments before the trap.
5229 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5231         PR target/39228
5232         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5233         (UNSPEC_FXAM_MEM): New unspec.
5234         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5235         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5236         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5238 2009-02-19  Richard Guenther  <rguenther@suse.de>
5240         PR tree-optimization/39207
5241         PR tree-optimization/39074
5242         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5243         storedanything_tree): New.
5244         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5245         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5246         (build_succ_graph): Add edges from STOREDANYTHING to all
5247         non-direct nodes.
5248         (init_base_vars): Initialize STOREDANYTHING.
5249         (compute_points_to_sets): Free substitution info after
5250         building the succ graph.
5251         (ipa_pta_execute): Likewise.
5253         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5254         field.
5255         (do_ds_constraint): Do not add to special var or non-pointer
5256         field solutions.
5257         (type_could_have_pointers): Split out from ...
5258         (could_have_pointers): ... here.  For arrays use the element type.
5259         (create_variable_info_for): Initialize may_have_pointers.
5260         (new_var_info): Likewise.
5261         (handle_lhs_call): Make the HEAP variable unknown-sized.
5262         (intra_create_variable_infos): Use a type with pointers for
5263         PARM_NOALIAS, make it unknown-sized.
5265 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5267         PR target/39224
5268         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5270 2009-02-18  Jason Merrill  <jason@redhat.com>
5272         PR target/39179
5273         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5274         value if DECL_EXTERNAL.
5275         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5276         * target.h (gcc_target::binds_local_p): Clarify "module".
5277         * tree.h (TREE_PUBLIC): Clarify "module".
5279 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5281         PR target/38891
5282         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5283         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5285 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5287         PR target/39082
5288         * c.opt (Wabi): Support C and ObjC.
5289         (Wpsabi): New.
5291         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5293         * config/i386/i386.c (classify_argument): Warn once about the ABI
5294         change when passing union with long double.
5296         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5298 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5300         PR c/35447
5301         * c-parser.c (c_parser_compound_statement): Always enter and leave
5302         a scope.
5304 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5306         PR target/34587
5307         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5309 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5311         PR tree-optimization/36922
5312         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5313         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5314         Likewise.
5316 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5318         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5319         to 0 for EABI64.
5321 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5323         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5325 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5327         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5328         tree sharing.
5330 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5331             Richard Sandiford  <rdsandiford@googlemail.com>
5333         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5334         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5335         (loongson_biadd): ...this.
5337 2009-02-17  Richard Guenther  <rguenther@suse.de>
5339         PR tree-optimization/39202
5340         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5341         a var make sure to follow existing collapses.
5343 2009-02-17  Richard Guenther  <rguenther@suse.de>
5345         PR middle-end/39214
5346         * langhooks.c (lhd_print_error_function): Check for NULL block.
5348 2009-02-17  Richard Guenther  <rguenther@suse.de>
5350         PR tree-optimization/39204
5351         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5352         of the PHI arg.
5354 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5356         * config/soft-fp/double.h: Update from glibc CVS.
5358 2009-02-17  Richard Guenther  <rguenther@suse.de>
5360         PR tree-optimization/39207
5361         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5362         strict-aliasing warnings for pointers pointing to NULL.
5364 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5366         PR c/35446
5367         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5368         skipping until next close brace.
5370 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5372         PR target/37049
5373         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5374         to function argument boundary.
5376 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5378         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5379         in the lea_add. Reload eventually constraints it properly.
5380         * config/picochip/constraints.md : Remove the target constraint
5381         "b", since it is not needed anymore.
5383 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5385         * gthr-dce.h: Uglify function parameter and local variable names.
5386         * gthr-gnat.h: Likewise.
5387         * gthr-mipssde.h: Likewise.
5388         * gthr-nks.h: Likewise.
5389         * gthr-posix95.h: Likewise.
5390         * gthr-posix.h: Likewise.
5391         * gthr-rtems.h: Likewise.
5392         * gthr-single.h: Likewise.
5393         * gthr-solaris.h: Likewise.
5394         * gthr-tpf.h: Likewise.
5395         * gthr-vxworks.h: Likewise.
5396         * gthr-win32.h: Likewise.
5398 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5400         PR target/39196
5401         * config/i386/i386.md: Restrict the new peephole2 to move
5402         between MMX/SSE registers.
5404 2009-02-15  Richard Guenther  <rguenther@suse.de>
5406         Revert
5407         2009-02-13  Richard Guenther  <rguenther@suse.de>
5409         * configure.ac: Enable LFS.
5410         * configure: Re-generate.
5411         * config.in: Likewise.
5413 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5415         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5416         spu_srqwbyte, spu_srqwbytebc): Define.
5417         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5418         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5419         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5420         "shrqby_<mode>"): New insn-and-split patterns.
5421         * config/spu/spu.c (expand_builtin_args): Determine and return
5422         number of operands using spu_builtin_description data.
5423         (spu_expand_builtin_1): Use it.
5425 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5427         PR target/38056
5428         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5429         TARGET_CONST_GP.
5431 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5433         PR target/39149
5434         * config/i386/i386.c (override_options): Correct warning
5435         messages for -malign-loops, -malign-jumps and -malign-functions.
5437 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5439         PR target/39152
5440         * config/i386/i386.md: Restrict the new peephole2 to move
5441         between the general purpose registers.
5443 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5445         PR target/39162
5446         * config/i386/i386.c (type_natural_mode): Add a new argument.
5447         Return the original mode and warn ABI change if vector size is 32byte.
5448         (function_arg_advance): Updated.
5449         (function_arg): Likewise.
5450         (ix86_function_value): Likewise.
5451         (ix86_return_in_memory): Likewise.
5452         (ix86_sol10_return_in_memory): Likewise.
5453         (ix86_gimplify_va_arg): Likewise.
5454         (function_arg_32): Don't warn ABX ABI change here.
5455         (function_arg_64): Likewise.
5457 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5459         * loop-iv.c (implies_p): In the final case, test that operands 0
5460         of the two comparisons match.
5462         * config/bfin/bfin.c (find_prev_insn_start): New function.
5463         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5464         (find_next_insn_start): Move.
5466 2009-02-13  Richard Guenther  <rguenther@suse.de>
5468         * configure.ac: Enable LFS.
5469         * configure: Re-generate.
5470         * config.in: Likewise.
5472 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5474         PR c/35444
5475         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5476         sizes on syntax error after some arguments have been parsed.
5478 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5480         * doc/invoke.texi (-fira): Remove.
5482 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5484         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5485         * recog.c: Likewise.
5486         * rtl.h: Likewise.
5488 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5490         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5491         (umul_ppmm): Likewise.
5492         (count_leading_zeros): Likewise.
5493         (count_trailing_zeros): Likewise.
5494         (UMUL_TIME): Likewise.
5496 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5498         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5499         soft-fp/t-softfp to tmake_file.
5501         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5502         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5503         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5504         IA64_BUILTIN_INFQ]: New.
5505         (ia64_init_builtins): Initialize __builtin_infq,
5506         __builtin_fabsq and __builtin_copysignq if not HPUX.
5507         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5508         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5510         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5511         SHARED is defined.
5512         (__fixtfti): Likewise.
5513         (__fixunstfti): Likewise.
5514         (__floattitf): Likewise.
5516         * config/ia64/libgcc-glibc.ver: New.
5517         * config/ia64/t-fprules-softfp: Likewise.
5518         * config/ia64/sfp-machine.h: Likewise.
5520         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5521         (LIBGCC2_TF_CEXT): Likewise.
5522         (TF_SIZE): Likewise.
5523         (TARGET_INIT_LIBFUNCS): Likewise.
5525         * config/ia64/t-glibc (SHLINB_MAPFILES):
5526         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5528 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5530         * config/i386/i386.c (construct_container): Rewrite processing
5531         BLKmode with X86_64_SSE_CLASS.
5533 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5535         PR target/39152
5536         * config/i386/i386.md: Replace simplify_replace_rtx with
5537         replace_rtx in the new peephole2.
5539 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5541         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5542         loop unrolling do not happen at -O2.
5544 2009-02-12  Michael Matz  <matz@suse.de>
5546         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5548 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5550         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5551         for -g3.
5553 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5555         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5556         patterns when updating the back chain.  Missed in the 2009-02-10
5557         change.
5559 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5561         * doc/extend.texi (Decimal Floating Types): Update identifier of
5562         draft TR and list of missing support.
5564 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5566         PR middle-end/39154
5567         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5568         bit to variable length decl's flags, add it also to its
5569         pointer replacement variable.
5571 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5572             Jakub Jelinek  <jakub@redhat.com>
5574         PR target/39118
5575         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5576         (memory_blockage): New expander.
5577         (*memory_blockage): New insn pattern.
5578         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5579         instead of general blockage at the end of function prologue when
5580         frame pointer is used to access red zone area.  Do not emit blockage
5581         when profiling, it is emitted in generic code.
5582         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5583         function epilogue when frame pointer is used to access red zone area.
5585 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5587         PR target/38824
5588         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5589         by arithmetic with memory operands.
5590         * config/i386/predicates.md (commutative_operator): New.
5592 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5594         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5595         bulleted lists.
5597 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5599         * alias.h (record_alias_subset): Declare.
5600         * alias.c (record_alias_subset): Make global.
5602 2009-02-10  Nick Clifton  <nickc@redhat.com>
5604         * tree-parloops.c: Change license to GPLv3.
5605         * ipa-struct-reorg.c: Change license to GPLv3.
5606         * ipa-struct-reorg.h: Change license to GPLv3.
5608 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5610         PR c/39084
5611         * c-decl.c (start_struct): Return NULL on error.
5613 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5615         PR middle-end/39124
5616         * cfgloopmanip.c (remove_path): Call remove_bbs after
5617         cancel_loop_tree, not before it.
5619         PR target/39139
5620         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5621         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5622         VAR_DECLs were seen.
5623         * tree-ssa-live.c (remove_unused_locals): Recompute
5624         cfun->has_local_explicit_reg_vars.
5625         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5626         copies or clearings if cfun->has_local_explicit_reg_vars.
5628 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5630         PR target/39118
5631         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5632         of function prologue when frame pointer is used to access
5633         red zone area.
5635 2009-02-10  Richard Guenther  <rguenther@suse.de>
5637         PR middle-end/39127
5638         * gimplify.c (gimple_regimplify_operands): Always look if
5639         we need to create a temporary.
5641 2009-02-10  Richard Guenther  <rguenther@suse.de>
5643         PR tree-optimization/39132
5644         * tree-loop-distribution.c (todo): New global var.
5645         (generate_memset_zero): Trigger TODO_rebuild_alias.
5646         (tree_loop_distribution): Return todo.
5648 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5650         PR target/39119
5651         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5652         (x86_64_reg_class_name): Removed.
5653         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5654         first one isn't X86_64_SSE_CLASS or any other ones aren't
5655         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5656         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5657         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5658         and 3 X86_64_SSEUP_CLASS.
5659         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5660         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5662 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5664         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5665         form instruction to update the stack back chain word, even if the
5666         user has disabled the generation of update instructions.
5667         (movdi_<mode>_update_stack): New.
5668         (movsi_update_stack): Likewise.
5669         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5670         always use an update form instruction to update the stack back
5671         chain word.
5673 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5675         PR middle-end/38953
5676         * graphite.c (if_region_set_false_region): After moving a region in
5677         the false branch of a condition, remove the empty dummy basic block.
5678         (gloog): Remove wrong fix for PR38953.
5680 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5682         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5683         generation due to implicit sign extension.
5685 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5687         PR middle-end/38981
5688         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5689         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5691 2009-02-09  Richard Guenther  <rguenther@suse.de>
5693         PR middle-end/35202
5694         * convert.c (convert_to_real): Disable (float)fn((double)x)
5695         to fnf(x) conversion if errno differences may occur and
5696         -fmath-errno is set.
5698 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5700         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5701         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5702         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5704 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5706         PR c/35434
5707         * c-common.c (handle_alias_attribute): Disallow attribute for
5708         anything not a FUNCTION_DECL or VAR_DECL.
5710 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5712         PR c/39035
5713         * real.c (do_compare): Special-case compare of zero against
5714         decimal float value.
5716 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5718         PR c/36432
5719         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5720         as indicating flexible array members unless the field itself is
5721         being declarared as the incomplete array.
5723 2009-02-06  Jan Hubicka  <jh@suse.cz>
5725         PR tree-optimization/38844
5726         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5727         is already inlined.
5729 2009-02-06  Richard Guenther  <rguenther@suse.de>
5731         PR middle-end/38977
5732         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5733         fork because we may expand it as __gcov_fork.
5735 2009-02-06  Nick Clifton  <nickc@redhat.com>
5737         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5739 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5741         PR tree-optimization/35659
5742         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5743         vn_phi_eq): Shortcut if hashcode does not match.
5744         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5745         NULL operands.
5746         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5747         and avoid iterative_hash_expr.
5748         (FOR_EACH_VALUE_ID_IN_SET): New.
5749         (value_id_compare): Remove.
5750         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5751         sort expressions by value id.
5753 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5755         PR target/38991
5756         * config/sh/predicates.md (general_movsrc_operand): Don't check
5757         the subreg of system registers here.
5759 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5761         PR c++/39106
5762         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5763         on the copied decl.
5765 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5767         PR rtl-optimization/39110
5768         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5769         addresses, not aligned ones.
5771 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5772             Richard Guenther  <rguenther@suse.de>
5774         PR tree-optimization/39100
5775         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5776         comment says and add edges.
5778 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5780         PR c/35435
5781         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5782         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5784 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5786         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5787         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5788         register_bb_in_sese, new_sese, free_sese): Moved.
5789         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5790         outermost_loop_in_scop, build_scop_iteration_domain,
5791         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5792         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5793         Use loop_in_sese_p instead of loop_in_scop_p.
5794         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5795         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5796         (scopdet_basic_block_info): Fix bug in scop detection.
5797         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5798         eq_loop_to_cloog_loop): Remove.
5799         (nb_loops_around_loop_in_scop, nb_loop
5800         ref_nb_loops): Moved here...
5801         * graphite.h (ref_nb_loops): ... from here.
5802         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5803         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5804         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5805         * testsuite/gcc.dg/graphite/scop-19.c: New
5807 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5808             Hans-Peter Nilsson  <hp@axis.com>
5810         PR rtl-optimization/37889
5811         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5812         Move offset handling from PLUS to before the switch.  Use new
5813         arguments when considering SYMBOL_REFs too.
5814         (rtx_addr_can_trap_p): Pass dummy offset and size.
5815         (enum may_trap_p_flags): Remove.
5816         (may_trap_p_1): Pass size from MEM_SIZE.
5818         PR rtl-optimization/38921
5819         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5820         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5821         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5822         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5824 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5826         AVX Programming Reference (January, 2009)
5827         * config/i386/sse.md (*vpclmulqdq): New.
5829 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5831         PR tree-optimization/38977
5832         PR gcov-profile/38292
5833         * calls.c (special_function_p): Disregard __builtin_ prefix.
5835 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5837         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5838         non-indexable addresses even before reload.
5840 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5842         PR c/29129
5843         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5844         as having variable size.  Do not give an error for unnamed
5845         parameters with [*] declarators.  Give a warning for type names
5846         with [*] declarators and mark them as variable size.
5847         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5848         for sizeof applied to [*] type names.
5850 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5852         PR C++/36607
5853         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5855 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5857         * gcc.c (process_command): Update copyright notice dates.
5858         * gcov.c (print_version): Likewise.
5859         * gcov-dump.c (print_version): Likewise.
5860         * mips-tfile.c (main): Likewise.
5861         * mips-tdump.c (main): Likewise.
5863 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5865         PR c/35433
5866         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5867         for composite type involving a zero-length array type.
5869 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5871         PR target/35318
5872         * function.c (match_asm_constraints_1): Skip over
5873         initial optional % in the constraint.
5875         PR inline-asm/39059
5876         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5877         supported, don't accept FIXED_CSTs.
5878         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5879         and _Sat is used without _Fract/_Accum.  Set specs->type to
5880         integer_type_node for cts_fract/cts_accum if fixed point is not
5881         supported.
5883 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5885         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5887 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5889         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5890         (ABI_HAS_64BIT_SYMBOLS): Use it.
5891         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5893 2009-02-02  Paul Brook  <paul@codesourcery.com>
5895         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5897 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5899         PR inline-asm/39058
5900         * recog.h (asm_operand_ok): Add constraints argument.
5901         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5902         recurse on matching constraint.
5903         (check_asm_operands): Pass constraints as 3rd argument to
5904         asm_operand_ok.  Don't look up matching constraint here.
5905         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5906         to asm_operand_ok.
5908 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5910         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5911         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5913 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5915         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5916         information.  Remove some obsolete information.  Reorganize.
5918         * config/pa/fptr.c: Revert license to GPL 2.
5919         * config/pa/milli64.S: Likewise.
5921 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5923         PR target/38904
5924         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5925         LIBRARY name in, instead of hard-coding it.
5926         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5927         extra target make frag to tmake_files according to EH model.
5928         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5929         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5930         frags that define makefile variable EH_MODEL appropriately.
5931         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5932         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5933         to "-sjlj" according to type of EH configured.
5934         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5935         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5936         to "_sjlj" according to type of EH configured.
5937         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5938         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5939         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5940         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5941         string value of "pe_dll" command-line option.
5942         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5943         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5944         (SHLIB_IMPLIB):  Override t-cygming default.
5945         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5946         string value of "pe_dll" command-line option.
5948 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5950         PR target/38952
5951         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5952         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5954 2009-01-31  Richard Guenther  <rguenther@suse.de>
5956         PR tree-optimization/38937
5957         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5958         computing the transitive closure.
5960 2009-01-30  Richard Guenther  <rguenther@suse.de>
5962         PR tree-optimization/39041
5963         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5964         Propagate variable indices only if the types match for this stmt.
5966 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5968         PR target/39013
5969         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5970         inline but never defined.
5972 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5974         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5975         (*insv_h_di_reg_extimm): New insn.
5976         (*insv_l<mode>_reg_extimm): New insn.
5978 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5980         * config/picochip/picochip.c (flag_conserve_stack): set
5981         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5982         fconserve-stack. Reduce call-overhead used by inliner.
5984 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5986         PR/38157
5987         * common.opt (flag_conserve_stack): Initialised to zero.
5989 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5991         PR/39002
5992         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5993         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5994         method.
5996 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5998         * ira-color.c (allocno_reload_assign): Update comments.
5999         * regmove.c (regmove_optimize): Likewise.
6001         * ra.h: Removed.
6003 2009-01-29  Robert Millan  <rmh@aybabtu.com>
6005         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
6006         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
6007         `MD_UNWIND_SUPPORT'.
6008         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
6010 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
6012         PR tree-optimization/39007
6013         * tree-loop-distribution.c (generate_builtin): Use
6014         recompute_dominator to compute the immediate dominator of the
6015         basic block just after the loop.
6017 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6019         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
6020         (ASM_OUTPUT_DWARF_PCREL): Define.
6022 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
6024         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
6025         * doc/passes.texi: Remove entries about regclass, local-alloc, and
6026         global.  Modify entries about regmove and IRA.
6028         * ra-conflict.c: Remove the file.
6030         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
6032         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
6033         (pass_regclass_init): Rename to pass_reginfo_init.
6035         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
6037         * toplev.h (flag_ira): Remove.
6039         * caller-save.c (setup_save_areas): Remove flag_ira.
6041         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
6043         * global.c: Remove the file.
6045         * opts.c (decode_options): Remove flag_ira.
6047         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
6049         * regmove.c: Modify file description.
6050         (find_use_as_address, try_auto_increment): Define them only if
6051         AUTO_INC_DEC is defined.
6052         (replacement_quality, replace_in_call_usage, fixup_match_1,
6053         stable_and_no_regs_but_for_p): Remove.
6054         (reg_set_in_bb): Make it static.
6055         (regmove_optimize): Remove flag_ira and code which worked for
6056         !flag_ira.
6058         * local-alloc.c: Remove the file.
6060         * common.opt (fira): Remove.
6062         * ira.c: Include except.h.
6063         (eliminable_regset): Move from global.c.
6064         (mark_elimination): Ditto.  Remove flag_ira.
6065         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
6066         equiv_mem_modified, validate_equiv_mem_from_store,
6067         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
6068         contains_replace_regs, memref_referenced_p, memref_used_between_p,
6069         no_equiv, recorded_label_ref): Move from local-alloc.c.
6070         (update_equiv_regs): Ditto.  Make it static.
6071         (print_insn_chain, print_insn_chains): Move it from global.c.
6072         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
6073         (build_insn_chain): Ditto.  Make it static.
6074         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
6075         Rename to init_live_subregs.
6076         (gate_ira): Remove flag_ira.
6078         * regclass.c: Rename reginfo.c.  Change file description.
6079         (FORBIDDEN_INC_DEC_CLASSES): Remove.
6080         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
6081         (init_reg_sets_1): Remove code for evaluation of
6082         reg_class_superclasses and losing_caller_save_reg_set.
6083         (init_regs): Remove init_reg_autoinc.
6084         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
6085         ok_for_base_p_nonstrict): Remove.
6086         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
6087         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
6088         corresponding entries.
6089         (dump_regclass, record_operand_costs, scan_one_insn,
6090         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6091         record_address_regs, auto_inc_dec_reg_p): Remove.
6092         (gt-regclass.h): Rename to gt-reginfo.h.
6094         * rtl.h (dump_global_regs, retry_global_alloc,
6095         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6097         * Makefile.in (RA_H): Remove.
6098         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6099         Rename regclass.o to reginfo.o.
6100         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6101         gt-reginfo.h.
6102         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6103         (GTFILES): Rename regclass.c to reginfo.c.
6105         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6106         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6108         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6109         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6110         Remove flag_ira.
6111         (finish_spills): Ditto.  Remove code for !flag_ira.
6112         
6113 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6115         PR middle-end/35854
6116         * doc/invoke.texi (rtl debug options): Complete rewrite.
6117         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6118         to auto_inc_dec".
6119         * mode-switching.c (pass_mode_switching): Rename pass from
6120         "mode-sw" to "mode_sw".
6121         * except.c (pass_convert_to_eh_ranges): Rename pass from
6122         "eh-ranges" to "eh_ranges".
6123         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6124         to "subreg1".
6125                 
6126         
6127 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6128             Alexander Monakov  <amonakov@ispras.ru>
6130         PR middle-end/38857
6131         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6132         register.
6133         (move_exprs_to_boundary): Change return type and pass through
6134         should_move from move_op.  Relax assert.  Update usage ...
6135         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6136         cant_move.
6137         (move_op_orig_expr_found): Indicate that insn was disconnected from
6138         stream.
6139         (code_motion_process_successors): Do not call after_merge_succs
6140         callback if original expression was not found when traversing any of
6141         the branches.
6142         (code_motion_path_driver): Change return type.  Update prototype.
6143         (move_op): Update comment.  Add a new parameter (should_move).  Update
6144         prototype.  Set *should_move based on indication provided by
6145         move_op_orig_expr_found.
6147 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6149         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6150         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6151         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6152         * config/rs6000/rs6000.c (rs6000_override_options): Default
6153         avoid-indexed-addresses on for Power6, off for everything else.
6154         (avoiding_indexed_address_p): New function.
6155         (rs6000_legitimize_address): Use it.
6156         (rs6000_legitimate_address): Likewise.
6157         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6159 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6161         PR tree-optimization/38997
6162         * tree-loop-distribution.c (generate_memset_zero): Use
6163         POINTER_PLUS_EXPR for a pointer addition.
6165 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6167         * config/s390/s390.md (bswap<mode>2): New pattern added.
6169 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6171         * config/s390/s390.md (*tls_load_31): Added type attribute.
6173 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6175         * config/s390/s390.md: Fix a few comments.
6177 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6179         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6180         (*tm<mode>_full): Fixed z10prop attribute.
6181         (*tst<mode>_extimm): Fixed z10prop attribute.
6182         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6183         (*tstqiCCT_cconly): Fixed z10prop attribute.
6184         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6185         (*movsi_larl): Fixed z10prop attribute.
6186         (*movsi_zarch): Fixed z10prop attribute.
6187         (*movsi_eas): Fixed z10prop attribute.
6188         (*movhi): Fixed z10prop attribute.
6189         (*movqi): Fixed z10prop attribute.
6190         (*movstrictqi): Fixed z10prop attribute.
6191         (*mov<mode>): Fixed z10prop attribute.
6192         (*movcc): Fixed z10prop attribute.
6193         (*sethighpartdi_64): Fixed z10prop attribute.
6194         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6195         (*negdi2_sign_cc): Fixed z10prop attribute.
6196         (*negdi2_sign): Fixed z10prop attribute.
6197         (*absdi2_sign_cc): Fixed z10prop attribute.
6198         (*absdi2_sign): Fixed z10prop attribute.
6199         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6200         (*negabsdi2_sign): Fixed z10prop attribute.
6201         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6202         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6203         (doloop_si64): Fixed z10prop attribute.
6204         (doloop_si31): Fixed z10prop attribute.
6205         (doloop_long): Fixed z10prop attribute.
6206         (indirect_jump): Fixed z10prop attribute.
6207         (nop): Fixed z10prop attribute.
6208         (main_base_64): Fixed z10prop attribute.
6209         (reload_base_64): Fixed z10prop attribute.
6211 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6213         PR rtl-optimization/38740
6214         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6215         if !optimize.
6216         * config/mips/mips.c (mips_reorg): Likewise.
6218 2009-01-28  Richard Guenther  <rguenther@suse.de>
6220         PR tree-optimization/38926
6221         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6222         with the correct value id to a value.
6223         (do_regular_insertion): Use the value number of edoubleprime
6224         for the value number of the expr.
6226         Revert
6227         2008-08-21  Richard Guenther  <rguenther@suse.de>
6229         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6230         a PHI ask VN if it is already available.
6231         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6232         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6234 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6236         PR middle-end/38934
6237         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6238         set to varying whenever max has TREE_OVERFLOW set, similarly
6239         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6241 2009-01-28  Richard Guenther  <rguenther@suse.de>
6243         PR middle-end/38908
6244         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6245         uninitialized aggregate uses in call arguments.
6247 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6249         PR tree-optimization/38984
6250         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6251         the nothing_id variable if -fno-delete-null-pointer-checks.
6253 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6255         PR target/38988
6256         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6257         (set_got_offset_rex64): Ditto.
6259 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6261         PR target/38941
6262         * doc/extend.texi: Improve local variable with asm reg.
6264 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6266         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6267         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6268         was not supplied then set warn_packed_bitfield_compat to the
6269         default value of 1.
6270         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6271         against 1.
6273 2009-01-27  Richard Guenther  <rguenther@suse.de>
6275         PR tree-optimization/38503
6276         * cfgexpand.c (expand_gimple_basic_block): Ignore
6277         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6278         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6279         variables that cannot have TBAA applied.
6280         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6281         statements.
6283 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6285         PR middle-end/38969
6286         * calls.c (initialize_argument_information): Do not wrap complex
6287         arguments in SAVE_EXPR.
6289 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6291         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6292         (INSTALL_LIBGCC): Revert typo commit.
6294 2009-01-26  Richard Guenther  <rguenther@suse.de>
6296         PR tree-optimization/38745
6297         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6298         from special handling.
6300 2009-01-26  Richard Guenther  <rguenther@suse.de>
6302         PR tree-optimization/38745
6303         * tree-ssa.c (execute_update_addresses_taken): Do not include
6304         variables that cannot possibly be a register in not_reg_needs.
6305         Do not clear TREE_ADDRESSABLE on vars that may not become
6306         registers.
6307         * tree-ssa.c (update_alias_info_1): Include those in the set
6308         of addressable vars.
6310 2009-01-26  Richard Guenther  <rguenther@suse.de>
6312         PR middle-end/38851
6313         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6314         * tree-ssa-dse.c: Include langhooks.h
6315         (execute_simple_dse): Remove stores with zero size.
6317 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6319         PR c/38957
6320         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6321         as PLUS_EXPR.
6323 2009-01-24  Julian Brown  <julian@codesourcery.com>
6325         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6326         config/arm/linux-atomic.c.
6327         * config/arm/linux-atomic.c: New.
6329 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6331         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6332         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6333         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6335 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6337         PR c/38938
6338         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6339         properly.
6341 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6343         PR tree-optimization/38953
6344         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6345         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6346         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6347         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6348         changed the CFG.
6350 2009-01-24  Paul Brook  <paul@codesourcery.com>
6352         * config/arm/neon.md (neon_type): Move to arm.md.
6353         (neon_mov<VSTRUCT>): Add neon_type attribute.
6354         * config/arm/arm.md (neon_type): Move to here.
6355         (conds): Add "unconditioal" and use as default for NEON insns.
6357 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6359         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6360         void *' warning from -Wc++-compat.
6361         * Makefile.in (dominance.o-warn): Remove.
6363 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6365         PR tree-optimization/38932
6366         * fold-const.c (fold_unary_ignore_overflow): New.
6367         * tree.h (fold_unary_ignore_overflow): Declare.
6368         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6369         * tree-ssa-sccvn.c (visit_reference_op_load,
6370         simplify_unary_expression): Likewise.
6372 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6374         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6375         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6376         regardless of their type.
6377         * c-common.c (handle_packed_attribute): Don't ignore packed on
6378         bitfields.
6379         * c.opt (Wpacked-bitfield-compat): New warning option.
6380         * stor-layout.c (place_field): Warn if offset of a field changed.
6381         * doc/extend.texi (packed): Mention the ABI change.
6382         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6383         (Warning Options): Add it to the list.
6385 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6387         * c-opts.c (c_common_post_options): Fix a typo in comments.
6389 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6391         PR middle-end/38615
6392         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6393         variables to static.
6394         * doc/invoke.texi (-fmerge-all-constants): Update description.
6396 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6398         PR target/38931
6399         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6400         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6402 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6404         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6405         a word boundary.
6406         (LOCAL_ALIGNMENT): Similarly.
6408 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6409             Joseph Myers  <joseph@codesourcery.com>
6411         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6412         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6413         * config/arm/arm-tune.md: Regenerate.
6414         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6415         -march=iwmmxt2.
6417 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6419         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6420         version number to five.
6422 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6424         PR c++/38930
6425         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6426         * c-common.c (set_underlying_type): Likewise.
6427         (is_typedef_decl ): Likewise
6428         * tree.h: Likewise
6429         (set_underlying_type): Likewise.
6430         (is_typedef_type): Likewise.
6432 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6434         PR middle-end/38587
6435         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6436         crossing setjmps.
6438 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6440         PR bootstrap/37660
6441         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6442         (LIBGCC_SPEC):  Don't define.
6443         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6445 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6447         PR rtl-optimization/38879
6448         * alias.c (base_alias_check): Unaligned access via AND address can
6449         alias all surrounding object types except those with sizes equal
6450         or wider than the size of unaligned access.
6452 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6454         PR c++/26693
6455         * c-decl.c (clone_underlying_type): Move this ...
6456         * c-common.c (set_underlying_type): ... here.
6457         Also, make sure the function properly sets TYPE_STUB_DECL() on
6458         the newly created typedef variant type.
6459         (is_typedef_decl ): New entry point.
6460         * tree.h: Added a new member member_types_needing_access_check to
6461         struct tree_decl_non_common.
6462         (set_underlying_type): New entry point.
6463         (is_typedef_type): Likewise.
6465 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6467         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6468         Check whether two instructions have memory references that
6469         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6470         are helper functions for traversing.
6471         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6472         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6473         not to draw dependency edge for instructions with non-conflicting
6474         alias sets.
6476 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6478         PR other/38758
6479         * longlong.h: Update copyright years.  Use soft-fp license notice.
6480         Sync __clz_tab declaration with glibc.
6482 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6484         PR target/30687
6485         * doc/extend.texi (syscall_linkage): New.
6486         (version_id): Modify.
6488 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6489             Richard Guenther  <rguenther@suse.de>
6491         PR tree-optimization/38747
6492         PR tree-optimization/38748
6493         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6494         conversion if the base address is an indirect reference and the
6495         aliasing sets could cause issues.
6497 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6499         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6500         explaining why these options are not documented.
6502 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6504         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6505         gimple_call_lhs is NULL.
6507 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6509         PR target/38868
6510         * emit-rtl.c (adjust_address_1): Make sure memref is never
6511         overwritten.
6513 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6515         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6516         const qualifier from arg parameter. Remove unnecessary cast to char *.
6517         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6518         const qualifier from arg 2.
6520 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6522         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6524 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6526         PR c/38869
6527         * rtl.h (reinit_regs): New prototype.
6528         * regclass.c: Include ira.h.
6529         (reinit_regs): New.
6530         * Makefile.in (regclass.o): Add ira.h.
6531         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6533 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6535         PR target/38736
6536         * c-common.c (handle_aligned_attribute): Use
6537         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6538         default alignment value.
6540         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6542         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6543         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6545         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6546         __BIGGEST_ALIGNMENT__.
6548         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6550 2009-01-18  Richard Guenther  <rguenther@suse.de>
6552         PR tree-optimization/38819
6553         * tree-flow.h (operation_could_trap_helper_p): Declare.
6554         * tree-eh.c (operation_could_trap_helper_p): Export.
6555         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6556         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6557         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6558         are about to insert a possibly trapping instruction and fail
6559         in this case.
6561 2009-01-18  Andreas Schwab  <schwab@suse.de>
6563         * doc/install.texi (Configuration): Remove obsolete paragraph
6564         about use of --with-gnu-ld with --with-gnu-as.
6566 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6568         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6569         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6570         Follow spelling conventions.
6572 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6574         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6575         C++ warning about implicit conversion from void * to struct
6576         bitmap_head_def *.
6577         (bitmap_obstack_free): Likewise for bitmap_element *.
6578         * Makefile.in (bitmap.o-warn): Remove.
6580 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6582         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6584 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6585             Tobias Grosser  <tobi.grosser@amd.com>
6587         * graphite.c (graphite_trans_scop_block): Do not block single
6588         nested loops.
6590 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6592         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6593         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6594         test with assertion.
6596 2009-01-16  Richard Guenther  <rguenther@suse.de>
6598         PR tree-optimization/38835
6599         PR middle-end/36227
6600         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6601         and INT + PTR -> (INT)(PTR p+ INT) folding.
6602         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6604 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6606         PR target/38554
6607         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6608         the subreg from a lowpart subreg if it is also casting the value.
6610 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6611             Tobias Grosser  <tobi.grosser@amd.com>
6613         * graphite.c (compare_prefix_loops): New.
6614         (build_scop_canonical_schedules): Rewritten.
6615         (graphite_transform_loops): Move build_scop_canonical_schedules
6616         after build_scop_iteration_domain.
6618 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6619             Tobias Grosser  <tobi.grosser@amd.com>
6621         * graphite.c (add_conditions_to_domain): Add the loops to 
6622         the dimension of the iteration domain.  Do copy the domain
6623         only when it exists.
6624         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6625         (add_conditions_to_constraints): New.
6626         (can_generate_code_stmt, can_generate_code): Removed.
6627         (gloog): Do not call can_generate_code.
6628         (graphite_transform_loops): Call add_conditions_to_constraints
6629         after building the iteration domain.
6631 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6633         PR tree-optimization/38789
6634         * tree-ssa-threadedge.c
6635         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6636         __builtin_constant_p.
6638 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6640         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6641         examined before deleting them.
6642         
6643 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6645         * function.c (aggregate_value_p): Correctly extract the function
6646         type from CALL_EXPR_FN lookup.
6648 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6650         * config/picochip/picochip.c (picochip_override_options): Revert
6651         CFI asm flag disable commited previously.
6653 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6654             Tobias Grosser  <tobi.grosser@amd.com>
6655             Jan Sjodin  <jan.sjodin@amd.com>
6657         * graphite.c (scan_tree_for_params): On substractions negate
6658         all the coefficients of the term.
6659         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6660         of more than two operands.
6661         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6662         (get_vdef_before_scop): Handle also the case of default definitions.
6664 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6666         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6667         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6668         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6670 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6671             Joey Ye  <joey.ye@intel.com>
6673         PR middle-end/37843
6674         * cfgexpand.c (expand_stack_alignment): Don't update stack
6675         boundary nor check incoming stack boundary here.
6676         (gimple_expand_cfg): Update stack boundary and check incoming
6677         stack boundary here.
6679 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6681         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6682         
6683 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6685         PR rtl-optimization/38245
6686         * calls.c (expand_call): Add stack arguments to
6687         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6688         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6689         in regs and partially in memory or BLKmode arguments.
6690         (emit_library_call_value_1): Add stack arguments to
6691         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6692         ACCUMULATE_OUTGOING_ARGS).
6693         * dce.c: Include tm_p.h.
6694         (find_call_stack_args): New function.
6695         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6696         argument.
6697         (mark_insn): Call find_call_stack_args for CALL_Ps.
6698         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6699         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6700         down to deletable_insn_p, don't mark stores set in arg_stores
6701         bitmap, clear the bitmap at the beginning of each bb.
6702         * Makefile.in (dce.o): Depend on $(TM_P_H).
6704 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6706         PR target/22599
6707         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6708         to make sure the insn is a conditional test (bug 22599).  Reformat a
6709         few long lines.
6711 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6713         PR middle-end/38431
6714         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6715         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6716         (gloog): Do not call cleanup_tree_cfg.
6717         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6718         scops have been code generated.
6720 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6721         * doc/gty.texi (Invoking the garbage collector): Added new node
6722         and section documenting ggc_collect.
6724 2009-01-14  Richard Guenther  <rguenther@suse.de>
6726         PR tree-optimization/38826
6727         PR middle-end/38477
6728         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6729         initialization notes only if we actually emitted a warning.
6730         (intra_create_variable_infos): Add constraints for a result decl
6731         that is passed by hidden reference.
6732         (build_pred_graph): Mark all related variables non-direct on
6733         address-taking.
6735 2009-01-14  Nick Clifton  <nickc@redhat.com>
6737         * ira-conflicts.c: Include addresses.h for the definition of
6738         base_reg_class.
6739         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6740         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6742 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6744         PR target/38811
6745         * Makefile.in (ira-lives.o): Add except.h.
6747         * ira-lives.c: Include except.h.
6748         (process_bb_node_lives): Process can_throw_internal.
6750 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6752         PR rtl-optimization/38774
6753         * combine.c (simplify_set): When undoing cc_use change, don't do
6754         PUT_CODE on the newly created comparison, but instead put back the
6755         old comparison.
6757 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6759         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6760         values.  Remove duplicate arm8 entry.
6762 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6764         PR tree-optimization/38786
6765         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6766         the SSA_NAME case of expand_scalar_variables_expr.
6767         Set the type of an expression to the type of its assign statement.
6768         (expand_scalar_variables_expr): Also gather the scalar computation
6769         used to index the memory access.  Do not pass loop_p.
6770         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6771         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6772         the gimple_stmt_iterator where it inserts new code.
6773         Do not pass loop_p.
6774         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6775         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6777 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6779         * graphite.h (debug_value): Removed.
6780         * graphite.c (debug_value): Removed.
6782 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6784         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6785         ldrd/strd with two 32-bit instructions.
6787 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6789         * config/arm/arm.c (struct processors): Pass for speed down into
6790         cost helper functions.
6791         (const_ok_for_op): Handle COMPARE and inequality nodes.
6792         (arm_rtx_costs_1): Rewrite.
6793         (arm_size_rtx_costs): Update prototype.
6794         (arm_rtx_costs): Pass speed down to helper functions.
6795         (arm_slowmul_rtx_costs): Rework cost calculations.
6796         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6797         (arm_9e_rtx_costs): Likewise.
6799 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6801         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6802         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6803         (alpha_legitimize_address): Do not split local symbols wider than
6804         UNITS_PER_WORD into HIGH/LO_SUM parts.
6806 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6808         PR bootstrap/38580
6809         * gcc.c (process_command): Replace call to execvp with calls
6810         to pex_one and exit.
6812 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6814         PR target/29141
6815         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6816         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6817         variant for devices with 3-byte PC.
6818         (__tablejump_elpm__): New.
6820 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6822         PR c/32041
6823         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6824         offsetof member-designator, handle it as `[0].'.
6826 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6828         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6829         function when not using named sections on targets with named sections
6830         if branch distance is less than 262132.
6832 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6834         * combine.c (combine_instructions):  Recompute
6835         optimize_this_for_speed_p  for each BB in the main combine loop.
6837 2009-01-12  Tomas Bily  <tbily@suse.cz>
6839         PR middlend/38385
6840         * tree-loop-distribution.c (prop_phis): New function.
6841         (generate_builtin): Call prop_phis.
6842         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6844 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6846         PR tree-optimization/38807
6847         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6848         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6850 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6852         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6853         subreg of op0 to the original op0.
6855 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6857         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6858         
6859 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6861         PR debug/7055
6862         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6863         starting with digits.
6865 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6867         PR target/38695
6868         * config/arm/arm.c (arm_is_long_call_p): Don't call
6869         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6871 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6873         * regrename.c (regrename_optimize): Fix dumping.
6874         (find_oldest_value_reg): Preserve REG_POINTER.
6875         (copy_hardreg_forward_1): Likewise.
6877 2009-01-09  Diego Novillo  <dnovillo@google.com>
6879         * gimple.h (struct gimple_statement_base) <uid>: Document
6880         the restrictions on its use.
6881         (gimple_uid): Tidy.
6882         (gimple_set_uid): Tidy.
6884 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6886         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6887         zero guard even if align_bytes != 0 and count is smaller than
6888         size_needed.
6890 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6892         PR rtl-optimization/38495
6893         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6894         (add_range_and_copies_from_move_list): Print all added ranges.
6895         Add ranges to memory optimized destination.
6897 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6899         PR target/38686
6900         PR target/38708
6901         * config/i386/i386.c (override_options): Reject
6902         -mstringop-strategy=rep_8byte with -m32.
6903         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6904         to 1.  Do count comparison against epilogue_size_needed at compile
6905         time even when count_exp was constant forced into register.  For
6906         size_needed don't jump to epilogue, instead just avoid aligning
6907         and invoke the body algorithm.  If need_zero_guard, add zero guard
6908         even if count is non-zero, but smaller than size_needed + number of
6909         bytes that could be stored for alignment.
6910         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6911         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6912         but smaller than size_needed + number of bytes that could be stored
6913         for alignment.  Compare size_needed with epilogue_size_needed instead
6914         of desired_align - align, don't adjust size_needed, pass
6915         epilogue_size_needed to the epilogue expanders.
6917         PR c/35742
6918         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6920 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6922         * pa.c (last_address): Change to unsigned.
6923         (update_total_code_bytes): Change argument to unsigned.  Don't
6924         check if insn addresses are set.
6925         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6926         addresses are not set.
6927         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6929 2009-01-09  Nick Clifton  <nickc@redhat.com>
6931         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6932         DECL_DECLARED_INLINE_P.
6934 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6936         PR middle-end/38347
6937         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6938         GET_MODE (op0) in operand_subword_force calls.
6940         PR middle-end/38771
6941         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6942         fold_convert arg0 operands to TREE_TYPE (op0) first.
6944 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6946         * params.def (ira-max-conflict-table-size): Decrease default value
6947         to 1000.
6949 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6951         PR tree-optimization/37031
6952         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6953         on parameter_set.
6954         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6955         allocate it using gc instead of heap, use VEC_quick_push instead of
6956         VEC_safe_push.
6957         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6958         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6959         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6960         allocated vector from heap allocated.
6961         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6962         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6963         vector only after perfect_loop_nest_depth call.
6965 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6966             Jan Sjodin  <jan.sjodin@amd.com>
6968         PR tree-optimization/38559
6969         * graphite.c (debug_value, copy_constraint,
6970         swap_constraint_variables, scale_constraint_variable, ): New.
6971         (get_lower_bound, get_upper_bound): Removed.
6972         (graphite_trans_bb_strip_mine): Clean up this code that works
6973         only for constant number of iterations.  Fully copy upper and
6974         lower bound constraints, not only the constant part of them.
6975         * graphite.h (debug_value): Declared.
6977 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6979         PR tree-optimization/37194
6980         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6981         Don't add the cost of cost model guard in prologue to scalar 
6982         outside cost in case of known number of iterations.
6984 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6985             Alan Modra  <amodra@bigpond.net.au>
6987         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6988         non-word-aligned REG+CONST addressing.
6990 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6992         PR target/38706
6993         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6994         free_after_compilation when outputting a thunk.
6995         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6996         Do not call free_after_compilation here.
6998 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
7000         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
7001         (ix86_valid_target_attribute_inner_p): Ditto.
7003 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
7005         PR tree-optimization/38492
7006         PR tree-optimization/38498
7007         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
7008         * tree-chrec.h (scev_is_linear_expression): Declared.
7009         * graphite.c (graphite_cannot_represent_loop_niter): New.
7010         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
7011         (graphite_loop_normal_form): Use gcc_assert.
7012         (scan_tree_for_params): Use CASE_CONVERT.
7013         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
7014         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
7015         Use gcc_assert.  Discard scops that contain unhandled cases.
7016         (build_scop_conditions): Return a boolean status for unhandled cases.
7017         (strip_mine_profitable_p): Print the loop number, not its depth.
7018         (is_interchange_valid): Pass the depth of the loop nest, don't
7019         recompute it wrongly.
7020         (graphite_trans_bb_block): Same.
7021         (graphite_trans_bb_block): Print tentative of loop blocking.
7022         (graphite_trans_scop_block): Do not print that the loop has been
7023         blocked.
7024         (graphite_transform_loops): Do not handle scops that contain condition
7025         scalar phi nodes.
7027 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
7029         AVX Programming Reference (December, 2008)
7030         * config/i386/avxintrin.h (_mm256_stream_si256): New.
7031         (_mm256_stream_pd): Likewise.
7032         (_mm256_stream_ps): Likewise.
7034         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
7035         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
7036         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
7037         (bdesc_special_args): Add __builtin_ia32_movntdq256,
7038         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
7039         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
7040         (ix86_expand_special_args_builtin): Likewise.
7042         * config/i386/sse.md (AVXMODEDI): New.
7043         (avx_movnt<mode>): Likewise.
7044         (avx_movnt<mode>): Likewise.
7045         (<sse>_movnt<mode>): Remove AVX support.
7046         (sse2_movntv2di): Likewise.
7048 2009-01-07  Richard Guenther  <rguenther@suse.de>
7050         PR middle-end/38751
7051         * fold-const.c (extract_muldiv): Remove obsolete comment.
7052         (fold_plusminus_mult_expr): Undo MINUS_EXPR
7053         to PLUS_EXPR canonicalization for the canonicalization.
7055 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
7057         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
7058         hosted cross-compilers generating less efficient code.
7060 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7062         * function.h (rtl_data): Add a dbr_scheduled_p field.
7063         * reorg.c (dbr_schedule): Set it.
7064         (gate_handle_delay_slots): Check it.
7065         * config/mips/mips.c (mips_base_delayed_branch): Delete.
7066         (mips_reorg): Check flag_delayed_branch instead of
7067         mips_base_delayed_branch.
7068         (mips_override_options): Don't set mips_base_delayed_branch
7069         or flag_delayed_branch.
7071 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7073         PR rtl-optimization/38426.
7074         * ira.c (ira): Set current_function_is_leaf earlier.
7076 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
7078         PR rtl-optimization/38722
7079         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
7080         too early, only set a flag and modify after last possible
7081         undo_all point.
7083 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
7085         PR c/34252
7086         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7087         * real.c (decimal_single_format): Correct values of emin and emax.
7088         (decimal_double_format): Ditto.
7089         (decimal_quad_format): Ditto.
7090         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7091         computation of DECnn_MIN and DECnn_MAX for corrected values of
7092         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
7093         __DECnn_MIN__, and adjust its computation for the corrected value
7094         of emin.
7096 2009-01-06  Jan Hubicka  <jh@suse.cz>
7098         PR target/38744
7099         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7101 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7103         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7104         Add Robert Clark to the list of testers.
7106 2009-01-06  Jan Hubicka  <jh@suse.cz>
7107             Kai Tietz  <kai.tietz@onevision.com>
7109         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7110         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7112 2009-01-06  Jan Hubicka  <jh@suse.cz>
7113             Kai Tietz  <kai.tietz@onevision.com>
7115         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7116         for w64 ABI.
7117         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7118         (ix86_nsaved_regs): Count only general purpose regs.
7119         (ix86_nsaved_sseregs): New.
7120         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7121         to 16 for w64; compute padding and size of sse reg save area.
7122         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7123         general purpose regs.
7124         (ix86_emit_save_sse_regs_using_mov): New.
7125         (ix86_expand_prologue): Save SSE regs if needed.
7126         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7127         (ix86_emit_restore_sse_regs_using_mov): New.
7128         (ix86_expand_epilogue): Save SSE regs if needed.
7130 2009-01-06  Jan Hubicka  <jh@suse.cz>
7131             Kai Tietz  <kai.tietz@onevision.com>
7133         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7134         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7135         functions when accumulate outgoing args is off.
7137 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7139         PR bootstrap/38742
7140         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7141         before using pseudos_have_intersected_live_ranges_p.
7143         * ira-int.h (ira_assert): Always define.
7145 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7147         AVX Programming Reference (December, 2008)
7148         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7149         (_mm256_permute2_pd): Likewise.
7150         (_mm_permute2_ps): Likewise.
7151         (_mm256_permute2_ps): Likewise.
7152         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7153         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7155         * config/i386/i386.c (ix86_builtins): Remove
7156         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7157         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7158         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7159         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7160         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7161         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7162         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7163         __builtin_ia32_vpermil2ps256.
7164         (ix86_init_mmx_sse_builtins): Updated.
7165         (ix86_expand_args_builtin): Likewise.
7167 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7169         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7170         long absolute calls when generating PA 2.0 code.
7172 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7174         PR rtl-optimization/38583
7175         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7177         * params.def (ira-max-conflict-table-size): New.
7179         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7180         
7181         * ira.h (ira_conflicts_p): New external definition.
7182         
7183         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7184         table.  Report this.  Return result of building.
7185         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7186         building conflict table.
7188         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7189         (ira_color): Use ira_conflicts_p.
7190         
7191         * global.c: Include ira.h.
7192         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7193         ira_conflicts_p.
7195         * Makefile.in (global.o): Add ira.h.
7196         
7197         * ira-build.c (mark_all_loops_for_removal,
7198         propagate_some_info_from_allocno): New.
7199         (remove_unnecessary_allocnos): Call
7200         propagate_some_info_from_allocno.
7201         (remove_low_level_allocnos): New.
7202         (remove_unnecessary_regions): Add parameter.  Call
7203         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7204         parameter to remove_unnecessary_regions.
7205         (ira_build): Remove all regions but root if the conflict table was
7206         not built.  Update conflict hard regs for allocnos crossing calls.
7208         * ira.c (ira_conflicts_p): New global.
7209         (ira): Define and use ira_conflicts_p.
7211         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7212         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7213         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7214         
7215 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7217         * gengtype-lex.l (YY_NO_INPUT): Define.
7219 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7221         PR c/34911
7222         * c-common.c (handle_vector_size_attribute): Also reject
7223         BOOLEAN_TYPE types.
7225 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7227         PR tree-optimization/38492
7228         * graphite.c (rename_map_elt, debug_rename_elt,
7229         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7230         rename_map_elt_info, eq_rename_map_elts,
7231         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7232         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7233         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7234         (sese_build_livein_liveouts): New.
7235         (new_sese, free_sese): New.
7236         (new_scop): Call new_sese.
7237         (free_scop): Call free_sese.
7238         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7239         (register_old_new_names): Renamed register_old_and_new_names.
7240         (register_scop_liveout_renames, add_loop_exit_phis,
7241         insert_loop_close_phis, struct igp,
7242         default_liveout_before_guard, add_guard_exit_phis,
7243         insert_guard_phis, copy_renames): New.
7244         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7245         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7246         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7247         (scop_adjust_phis_for_liveouts): New.
7248         (gloog): Call scop_adjust_phis_for_liveouts.
7250         * graphite.h (struct sese): Documented.  Added fields liveout,
7251         num_ver and livein.
7252         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7253         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7254         (struct scop): Added field liveout_renames.
7255         (SCOP_LIVEOUT_RENAMES): New.
7257 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7259         PR tree-optimization/38510
7260         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7261         (translate_clast): Call recompute_all_dominators before
7262         graphite_verify.
7263         (gloog): Call recompute_all_dominators before graphite_verify.
7265 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7266             Jan Sjodin  <jan.sjodin@amd.com>
7268         PR tree-optimization/38500
7269         * graphite.c (create_sese_edges): Call fix_loop_structure after
7270         splitting blocks.
7272 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7274         * config.gcc: Add m32r*-*-rtems*.
7275         * config/m32r/rtems.h: New file.
7277 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7279         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7280         (.po.pox): Likewise.
7281         (po/gcc.pot): Likewise.
7283 2009-01-04  David S. Miller  <davem@davemloft.net>
7285         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7286         (STARTING_FRAME_OFFSET): Always set to zero.
7288 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7290         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7291         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7292         fixed-point types, and vectors of the same.
7294 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7296         * config/mips/sync.md (*mb_barrier): Rename to...
7297         (*memory_barrier): ...this.
7299 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7301         * doc/extend.texi (Function Attributes): Move @cindex after @item
7302         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7303         and put in alphabetical order. Fix 'target' name and put in order.
7304         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7305         typos.
7307 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7309         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7310         (memory_barrier): Expand as unspec instead of unspec_volatile.
7311         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7312         (*memory_barrier): Define as unspec instead of unspec_volatile.
7313         Use (match_dup 0) as input operand.
7315         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7316         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7317         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7318         scratch register.  Remove operand 1.
7319         (*stbar): Define as unspec instead of unspec_volatile.
7320         Use (match_dup 0) as input operand, remove (const_int 8).
7321         (*membar): Define as unspec instead of unspec_volatile.
7322         Use (match_dup 0) as input operand, remove input operand 2.
7324         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7325         (memory_barrier): Expand as unspec instead of unspec_volatile.
7326         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7327         (*memory_barrier): Define as unspec instead of unspec_volatile.
7328         Use (match_dup 0) as input operand.
7330         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7331         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7332         Set volatile flag on operand 0.
7333         (*memory_barrier): New insn pattern.
7335         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7336         insn operands.
7337         (*memory_barrier): Use (match_dup 0) as input operand.
7339         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7340         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7341         Set volatile flag on operand 0.
7342         (*mb_internal): New insn pattern.
7344         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7346 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7348         PR middle-end/38586
7349         * function.c (struct temp_slot): Move to the section of the file
7350         that deals with temp slots.  Remove field 'address'.
7351         (temp_slot_address_table): New hash table of address -> temp slot.
7352         (struct temp_slot_address_entry): New struct, items for the table.
7353         (temp_slot_address_compute_hash, temp_slot_address_hash,
7354         temp_slot_address_eq, insert_temp_slot_address): Support functions
7355         for the new table.
7356         (find_temp_slot_from_address): Rewrite to use the new hash table.
7357         (remove_unused_temp_slot_addresses): Remove addresses of temp
7358         slots that have been made available.
7359         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7360         worker function for remove_unused_temp_slot_addresses.
7361         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7362         Add the temp slot address to the address -> temp slot map.
7363         (update_temp_slot_address): Update via insert_temp_slot_address.
7364         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7365         (pop_temp_slots): Likewise.
7366         (init_temp_slots): Allocate the address -> temp slot map, or empty
7367         the map if it is already allocated.
7368         (prepare_function_start): Initialize temp slot processing.
7370 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7372         PR middle-end/38584
7373         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7374         Calculate the size of all stack vars assuming no packing of stack
7375         vars will happen, replacing a quadratic algorithm with a linear one.
7377 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7379         PR target/38707
7380         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7381         can't be used.
7383 2009-01-03  Diego Novillo  <dnovillo@google.com>
7385         * doc/contrib.texi: Update contributions.
7387 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7389         PR c++/38705
7390         * builtins.c (fold_builtin_memory_op): Give up if either operand
7391         is volatile.  Set srctype or desttype to non-qualified version
7392         of the other type.
7394         PR c/38700
7395         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7396         and FUNCTION_DECLs.
7398 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7400         PR rtl-optimization/35805
7401         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7402         problem if fast dce is able to remove any instructions.
7403         * dce.c (dce_process_block): Fix dump message.
7404         
7405 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7407         PR 33649
7408         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7410 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7412         PR middle-end/38690
7413         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7414         * tree-pretty-print.c (op_code_prio): New function.
7415         (op_prio): No longer static.  Use op_code_prio.
7416         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7417         Use op_prio and op_code_prio to determine if () should be
7418         printed around operand(s) or not.
7420         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7421         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7422         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7423         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7424         pp_character instead of pp_string for single letter printing.
7426 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7428         * doc/extend.texi: Fix '#pragma GCC option' typo.
7430 2009-01-02  Richard Guenther  <rguenther@suse.de>
7432         * doc/install.texi (--enable-checking): Mention different
7433         default for stage1.
7434         (--enable-stage1-checking): Document.
7436 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7438         PR middle-end/30142
7439         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7440         case to be an error.
7442 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7444         * config/fp-bit.h (pack_d): Constify argument.
7445         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7446         (isnan): Constify argument.
7447         (isinf): Likewise.
7448         (iszero): Likewise.
7449         (pack_d): Likewise.
7450         (_fpadd_parts): Constify return type.
7451         (_fpmul_parts): Likewise.
7452         (_fpdiv_parts): Likewise.
7454 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7456         PR c/36489
7457         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7458         warn about overwriting initializer with side-effects or
7459         -Woverride-init if !IMPLICIT.
7460         (output_init_element): Likewise.  Pass IMPLICIT down to
7461         add_pending_init.
7462         (process_init_element): Add IMPLICIT argument.  Pass it down
7463         to output_init_element.
7464         (push_init_element, pop_init_level, set_designator): Adjust
7465         process_init_element callers.
7466         (set_nonincremental_init, set_nonincremental_init_from_string):
7467         Adjust add_pending_init callers.
7468         (output_pending_init_elements): Adjust output_init_element callers.
7469         * c-tree.h (process_init_element): Adjust prototype.
7470         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7471         process_init_element callers.