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Fix typo in ChangeLog entry date.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-06-27  Olivier Hainque  <hainque@adacore.com>
2
3         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
4         documented assumptions.
5
6 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
7
8         * dwarf2out.c: Remove trailing white spaces.  Break long line
9         in comments.
10
11 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
12
13         * libfuncs.h (LTI_synchronize): New libfunc_index.
14         (synchronize_libfunc): Declare.
15         * builtins.c (expand_builtin_synchronize): Consider using
16         synchronize_libfunc before falling back on an asm blockage.
17         * config/mips/mips.c: Include libfuncs.h
18         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
19
20 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
21
22         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
23         parameter.  Copy stack_reg to r11 where appropriate.
24         (no_global_regs_above): Add gpr parameter.
25         (rs6000_stack_info): Only add padding for SPE save area if we
26         are saving SPE GPRs and CR.
27         (saveres_routine_syms): New variable.
28         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
29         Define.
30         (rs6000_savres_routine_sym): New function.
31         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
32         split out of...
33         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
34         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
35         Tweak FPR out-of-line saving.
36         (rs6000_make_savres_rtx): New function.
37         (rs6000_use_multiple_p): New function.
38         (rs6000_savres_strategy): New function.
39         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
40         out-of-line if appropriate.
41         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
42         if we are optimizing for size.
43         (GP_SAVE_INLINE): Define.
44         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
45         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
46         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
47         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
48         (*save_fpregs_<mode>): Add use of r11.
49         (*restore_gpregs_<mode>): New insn.
50         (*return_and_restore_gpregs_<mode>): New insn.
51         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
52         use r11.
53         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
54         (*restore_gpregs_spe): New insn.
55         (*return_and_restore_gpregs_spe): New insn.
56         * config/rs6000/predicates.md (save_world_operation): Fix check.
57
58 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
59
60         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
61         this point, so assert that.
62
63 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
64
65         * cfganal.c: Include vec.h and vecprim.h.
66         (compute_idf): Import from...
67         * tree-into-ssa (compute_idf): ...here.
68         * basic-block.h (compute_idf): Export.
69
70 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
71
72         * c-decl.c (merge_decls): Use !current_function_decl to check for
73         extern declaration of C99 inline function being at file scope.
74
75 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
76
77         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
78
79 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
80
81         * alias.c (record_alias_subset, init_alias_analysis): Fix
82         -Wc++-compat and/or -Wcast-qual warnings.
83         * attribs.c (lookup_attribute_spec): Likewise.
84         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
85         copy_bb, connect_traces,
86         find_rarely_executed_basic_blocks_and_cr): Likewise.
87         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
88         note_btr_set, migrate_btr_defs): Likewise.
89         * builtins.c (result_vector, expand_builtin_memcpy,
90         expand_builtin_mempcpy_args, expand_builtin_strncpy,
91         builtin_memset_read_str, expand_builtin_printf,
92         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
93         Likewise.
94         * caller-save.c (mark_set_regs): Likewise.
95         * calls.c (expand_call, emit_library_call_value_1): Likewise.
96         * cgraph.c (cgraph_edge): Likewise.
97         * combine.c (likely_spilled_retval_1): Likewise.
98         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
99         htab_counts_entry_del, get_coverage_counts): Likewise.
100         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
101         new_cselib_val): Likewise.
102         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
103         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
104         Likewise.
105         * df-core.c (df_compact_blocks): Likewise.
106         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
107         * df-scan.c (df_grow_reg_info, df_ref_create,
108         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
109         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
110         df_record_entry_block_defs, df_record_exit_block_uses,
111         df_bb_verify): Likewise.
112         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
113         DF_REF_EXTRACT_MODE_CONST): New.
114         * dominance.c (get_immediate_dominator, get_dominated_by,
115         nearest_common_dominator, root_of_dom_tree,
116         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
117         -Wc++-compat and/or -Wcast-qual warnings.
118         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
119         record_store, replace_read, check_mem_read_rtx, scan_insn,
120         dse_step1, dse_record_singleton_alias_set): Likewise.
121         * dwarf2asm.c (dw2_force_const_mem): Likewise.
122
123 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
124
125         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
126         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
127         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
128         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
129         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
130         add_ranges_num, add_ranges_by_labels, file_info_cmp,
131         file_name_acquire, output_file_names, add_const_value_attribute,
132         premark_used_types_helper, file_table_eq, file_table_hash,
133         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
134         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
135         -Wcast-qual warnings.
136         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
137         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
138         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
139         gen_reg_rtx, start_sequence, init_emit): Likewise.
140         * et-forest.c (et_new_occ, et_new_tree): Likewise.
141         * except.c (init_eh_for_function, gen_eh_region,
142         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
143         arh_to_landing_pad, arh_to_label, add_action_record,
144         add_call_site, switch_to_exception_section): Likewise.
145         * expmed.c (synth_mult): Likewise.
146         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
147         store_expr): Likewise.
148         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
149         Likewise.
150         * function.c (assign_stack_temp_for_type,
151         allocate_struct_function, match_asm_constraints_1): Likewise.
152         * gcov-io.c (gcov_allocate): Likewise.
153         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
154         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
155         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
156         record_one_set, insert_expr_in_table, insert_set_in_table,
157         dump_hash_table, compute_hash_table_work, alloc_hash_table,
158         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
159         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
160         -Wcast-qual warnings.
161
162 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
163
164         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
165         -Wcast-qual warnings.
166         * gcc.c (process_command): Likewise.
167         * genattrtab.c (oballoc): Use XOBNEW.
168         (oballocvec): Define.
169         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
170         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
171         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
172         -Wc++-compat and/or -Wcast-qual warnings.
173         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
174         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
175         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
176         gen_presence_absence_set, gen_automaton, gen_regexp_el,
177         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
178         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
179         add_excls, process_presence_absence_names,
180         process_presence_absence_patterns, add_presence_absence,
181         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
182         get_free_state, add_arc, get_free_automata_list_el,
183         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
184         transform_3, cache_presence, create_ainsns, create_automata,
185         create_state_ainsn_table, dfa_insn_code_enlarge,
186         output_trans_func, output_min_issue_delay_func,
187         output_dead_lock_func, output_reset_func,
188         output_get_cpu_unit_code_func, output_dfa_start_func,
189         expand_automata): Likewise.
190         * genextract.c (gen_insn): Likewise.
191         * gengtype-lex.l: Likewise.
192         * gengtype.c (read_input_list, adjust_field_type,
193         process_gc_options): Likewise.
194         * genoutput.c (note_constraint): Likewise.
195         * genpreds.c (mangle, add_constraint): Likewise.
196         * genrecog.c (process_define_predicate, new_decision,
197         add_to_sequence): Likewise.
198         * gensupport.c (record_insn_name): Likewise.
199
200 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
201
202         * config/i386/driver-i386.c (detect_caches_amd,
203         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
204         and/or -Wcast-qual warnings.
205         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
206         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
207         gt_pch_save): Likewise.
208         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
209         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
210         * global.c (compute_regsets): Likewise.
211         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
212         finish_graph_dump_file): Likewise.
213         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
214         unlink_bb_notes): Likewise.
215         * integrate.c (get_hard_reg_initial_val): Likewise.
216         * ipa-prop.c (ipa_push_func_to_list): Likewise.
217         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
218         * local-alloc.c (update_equiv_regs): Likewise.
219         * loop-invariant.c (check_invariant_table_size,
220         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
221         Likewise.
222         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
223         altered_reg_used, mark_altered): Likewise.
224         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
225         insert_var_expansion_initialization,
226         combine_var_copies_in_loop_exit, apply_opt_in_copies,
227         release_var_copies): Likewise.
228         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
229         analyze_matrix_decl, add_allocation_site, analyze_transpose,
230         analyze_accesses_for_phi_node, check_var_notmodified_p,
231         check_allocation_function, find_sites_in_func,
232         record_all_accesses_in_func, transform_access_sites,
233         transform_allocation_sites): Likewise.
234         * omp-low.c (new_omp_region, create_omp_child_function_name,
235         check_omp_nesting_restrictions, check_combined_parallel,
236         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
237         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
238         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
239         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
240         Likewise.
241         * opts-common.c (prune_options): Likewise.
242         * opts.c (add_input_filename, print_filtered_help,
243         get_option_state): Likewise.
244         * params.c (add_params): Likewise.
245         * passes.c (set_pass_for_id, next_pass_1,
246         do_per_function_toporder, pass_fini_dump_file): Likewise.
247         * postreload.c (reload_cse_simplify_operands): Likewise.
248         * predict.c (tree_predicted_by_p, tree_predict_edge,
249         clear_bb_predictions, combine_predictions_for_bb): Likewise.
250
251 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
252
253         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
254         warnings.
255         * recog.c (check_asm_operands, validate_change_1): Likewise.
256         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
257         subst_asm_stack_regs): Likewise.
258         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
259         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
260         * regmove.c (reg_is_remote_constant_p): Likewise.
261         * regrename.c (regrename_optimize, scan_rtx_reg,
262         kill_clobbered_value, kill_set_value, kill_autoinc_value):
263         Likewise.
264         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
265         regstat_compute_calls_crossed): Likewise.
266         * reload1.c (init_reload, new_insn_chain,
267         has_nonexceptional_receiver, reload, copy_reloads,
268         calculate_needs_all_insns, init_elim_table): Likewise.
269         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
270         * rtl.c (shallow_copy_rtx_stat): Likewise.
271         * rtlanal.c (parms_set): Likewise.
272         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
273         sbitmap_resize, sbitmap_vector_alloc): Likewise.
274         * sched-ebb.c (earliest_block_with_similiar_load,
275         add_deps_for_risky_insns): Likewise.
276         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
277         schedule_region): Likewise.
278         * see.c (eq_descriptor_pre_extension,
279         hash_descriptor_pre_extension, hash_del_pre_extension,
280         eq_descriptor_properties, hash_descriptor_properties,
281         hash_del_properties, see_seek_pre_extension_expr,
282         see_initialize_data_structures, see_print_register_properties,
283         see_print_pre_extension_expr, see_delete_merged_def_extension,
284         see_delete_unmerged_def_extension, see_emit_use_extension,
285         see_pre_delete_extension, see_map_extension, see_commit_changes,
286         see_analyze_merged_def_local_prop,
287         see_analyze_merged_def_local_prop,
288         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
289         see_set_prop_merged_def, see_set_prop_unmerged_def,
290         see_set_prop_unmerged_use, see_print_one_extension,
291         see_merge_one_use_extension, see_merge_one_def_extension,
292         see_store_reference_and_extension, see_update_uses_relevancy,
293         see_update_defs_relevancy): Likewise.
294         * statistics.c (hash_statistics_hash, hash_statistics_eq,
295         hash_statistics_free, curr_statistics_hash): Likewise.
296         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
297         expand_asm_operands, expand_return, case_bit_test_cmp,
298         expand_case): Likewise.
299         * stor-layout.c (start_record_layout): Likewise.
300         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
301         gt_pch_save_stringpool): Likewise.
302         * tree-data-ref.c (hash_stmt_vertex_info,
303         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
304         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
305
306 2008-06-25 Uros Bizjak  <ubizjak@gmail.com>
307
308         PR target/36627
309         * config/i386/i386.md : Change constraints of HImode and QImode
310         immediate operands from "i" to "n".  Change SImode "ni" constraint to
311         "i" and SImode "rmi" constraint to "g".  Remove all constraints
312         from const0_operand and const1_operand predicated operands.
313         (i): Change QImode and HImode attribute from "i" to "n".
314         (*subqi_2): Change HImode operands to QImode.
315         (*subqi_3): Ditto.
316
317 2008-06-25  Olivier Hainque  <hainque@adacore.com>
318
319         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
320         sed substitutions.
321
322 2008-06-25  Richard Guenther  <rguenther@suse.de>
323
324         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
325         not overflow the result type.
326
327 2008-06-25  Richard Guenther  <rguenther@suse.de>
328
329         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
330         (vn_lookup): Likewise.
331
332 2008-06-25  Richard Guenther  <rguenther@suse.de>
333
334         PR tree-optimization/35518
335         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
336         * tree-sra.c (instantiate_element): Use fold_build3 to build
337         BIT_FIELD_REFs.
338         (try_instantiate_multiple_fields): Likewise.
339
340 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
341
342         * config/rs6000/rs6000.md: Change all string instruction's clobber to
343         be early clobbers.
344
345 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
346
347         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
348         use_backchain_to_restore_sp to true
349         if the offset of the link register save area would go over the 32k - 1
350         offset limit of the load
351         instructions.
352
353 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
354
355         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
356         anchor for the type-punning blurb.  Cross-reference "Structures
357         unions enumerations and bit-fields implementation".  Provide a
358         cast-through-pointer example.  Make final sentence self-contained.
359         * doc/implement-c.texi (Structures unions enumerations and
360         bit-fields implementation): Cross-reference the type-punning blurb
361         in the -fstrict-aliasing documentation.
362
363 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
364
365         PR middle-end/36594
366         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
367         the memory instead of the memory itself for the save area.
368
369 2008-06-24  Olivier Hainque  <hainque@adacore.com>
370             Nicolas Roche  <roche@adacore.com>
371
372         * gengtype.c (srcdir_len): size_t instead of int.
373         (get_file_realbasename): New function.  For F a filename, the real
374         basename of F, with all the path components stripped.
375         (get_file_srcdir_relative_path): New function.  For F a filename, the
376         relative path to F from $(srcdir).
377         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
378         get_file_realbasename.  Adjust the head comment.
379         (get_prefix_langdir_index): New function. For F a filename, return the
380         lang_dir_names[] relative index of the language directory that is
381         a prefix in F.
382         (get_file_langdir): For F a filename, return the name of the language
383         directory where F is located.
384         (get_file_gtfilename): New function. The gt- output file name for an
385         input filename F.
386         (get_output_file_with_visibility): Replace in-line computations with
387         uses of get_file_gtfilename and get_prefix_langdir_index.
388         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
389
390 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
391
392         PR tree-optimization/36504
393         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
394         references without base address.
395
396 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
397
398         PR middle-end/36584
399         * calls.c (expand_call): Increase alignment for recursive functions.
400
401 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
402
403         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
404         (TARGET_FUNCTION_VALUE): New define.
405         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
406         * config/avr/avr.h (FUNCTION_VALUE): Remove.
407
408 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
409
410         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
411         (fmod<mode>3): Ditto.
412         (remainderxf3): Ditto.
413         (remainder<mode>3): Ditto.
414
415 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
416
417         PR target/36533
418         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
419         REG is a hard register.
420
421         PR tree-optimization/36508
422         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
423         499, don't check it at all in release compilers.
424
425 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
426
427         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
428         together with SSE_TARGET_MATH to disable insn pattern.
429         (*fop_<MODEF:mode>_2_i387): Ditto.
430         (*fop_<MODEF:mode>_3_i387): Ditto.
431
432 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
433
434         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
435         
436 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
437
438         PR middle-end/34906
439         * gimplify.c (gimplify_asm_expr): Check the return code of
440         parse_output_constraint call, set function return and is_inout
441         value if it failed.
442
443 2008-06-22  Ian Lance Taylor  <iant@google.com>
444
445         * c-lex.c (narrowest_unsigned_type): Change itk to int.
446         (narrowest_signed_type): Likewise.
447         * c-typeck.c (c_common_type): Change local variable mclass to enum
448         mode_class, twice.
449         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
450         tcc_comparison, not the tree code itself.
451         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
452         (c_expand_expr): Cast modifier to enum expand_modifier.
453         * c-common.h (C_RID_CODE): Add casts.
454         (C_SET_RID_CODE): Define.
455         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
456         (c_lex_one_token): Add cast to avoid warning.
457         (c_parser_objc_type_name): Rename local typename to type_name.
458         (check_no_duplicate_clause): Change code parameter to enum
459         omp_clause_code.
460         (c_parser_omp_var_list_parens): Change kind parameter to enum
461         omp_clause_code.
462         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
463         c_parser_omp_list_var_parens.
464         (c_parser_omp_threadprivate): Likewise.
465         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
466         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
467         * c-format.c (NO_FMT): Define.
468         (printf_length_specs): Use NO_FMT.
469         (asm_fprintf_length_specs): Likewise.
470         (gcc_diag_length_specs): Likewise.
471         (scanf_length_specs): Likewise.
472         (strfmon_length_specs): Likewise.
473         (gcc_gfc_length_specs): Likewise.
474         (printf_flag_specs): Change 0 to STD_C89.
475         (asm_fprintf_flag_specs): Likewise.
476         (gcc_diag_flag_specs): Likewise.
477         (gcc_cxxdiag_flag_specs): Likewise.
478         (scanf_flag_specs): Likewise.
479         (strftime_flag_specs): Likewise.
480         (strfmon_flag_specs): Likewise.
481         (print_char_table): Likewise.
482         (asm_fprintf_char_table): Likewise.
483         (gcc_diag_char_table): Likewise.
484         (gcc_tdiag_char_table): Likewise.
485         (gcc_cdiag_char_table): Likewise.
486         (gcc_cxxdiag_char_table): Likewise.
487         (gcc_gfc_char_table): Likewise.
488         (scan_char_table): Likewise.
489         (time_char_table): Likewis.
490         (monetary_char_table): Likewise.
491         * c-format.h (BADLEN): Likewise.
492
493 2008-06-21  Ian Lance Taylor  <iant@google.com>
494
495         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
496         Define END_OF_BASE_TREE_CODES around inclusion.
497         * tree.c (tree_code_type): New global array.
498         (tree_code_length, tree_code_name): Likewise.
499         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
500         $(lang_tree_files).
501         (all-tree.def, s-alltree): New targets.
502         (gencheck.h, s-gencheck): Remove.
503         (tree.o): Depend upon all-tree.def.
504         (build/gencheck.o): Remove gencheck.h dependency.
505         (mostlyclean): Don't remove gencheck.h.
506         * c-common.h (enum c_tree_code): Remove.
507         * c-lang.c (tree_code_type): Remove.
508         (tree_code_length, tree_code_name): Remove.
509         * gencheck.c (tree_codes): Include all-tree.def, rather than
510         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
511         after it is used.
512         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
513         than tree.def.
514         * cp/cp-tree.h (enum cplus_tree_code): Remove.
515         (operator_name_info): Size to MAX_TREE_CODES.
516         (assignment_operator_name_info): Likewise.
517         * cp/cp-lang.c (tree_code_type): Remove.
518         (tree_code_length, tree_code_name): Remove.
519         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
520         (assignment_operator_name_info): Likewise.
521         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
522         MAX_TREE_CODES.
523         * cp/mangle.c (write_expression): Likewise.
524         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
525         * fortran/f95-lang.c (tree_code_type): Remove.
526         (tree_code_length, tree_code_name): Remove.
527         * java/java-tree.h (enum java_tree_code): Remove.
528         * java/lang.c (tree_code_type): Remove.
529         (tree_code_length, tree_code_name): Remove.
530         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
531         * objc/objc-act.h (enum objc_tree_code): Remove.
532         * objc/objc-lang.c (tree_code_type): Remove.
533         (tree_code_length, tree_code_name): Remove.
534         * objcp/objcp-lang.c (tree_code_type): Remove.
535         (tree_code_length, tree_code_name): Remove.
536         * ada/ada-tree.h (enum gnat_tree_code): Remove.
537         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
538         * ada/misc.c (tree_code_type): Remove.
539         (tree_code_length, tree_code_name): Remove.
540
541 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
542
543         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
544         the grand_bitmap_obstack.
545
546 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
547
548         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
549         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
550         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
551         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
552         move_stmt_r, new_label_mapper): Likewise.
553         * tree-complex.c (cvc_lookup): Likewise.
554         * tree-dfa.c (create_function_ann): Likewise.
555         * tree-dump.c (dump_register): Likewise.
556         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
557         find_phi_replacement_condition): Likewise.
558         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
559         tree_function_versioning): Likewise.
560         * tree-into-ssa.c (cmp_dfsnum): Likewise.
561         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
562         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
563         get_nonlocal_debug_decl, convert_nonlocal_reference,
564         convert_nonlocal_omp_clauses, get_local_debug_decl,
565         convert_local_reference, convert_local_omp_clauses,
566         convert_nl_goto_reference, convert_nl_goto_receiver,
567         convert_tramp_reference, convert_call_expr): Likewise.
568         * tree-outof-ssa.c (contains_tree_r): Likewise.
569         * tree-parloops.c (reduction_phi, initialize_reductions,
570         eliminate_local_variables_1, add_field_for_reduction,
571         add_field_for_name, create_phi_for_local_result,
572         create_call_for_reduction_1, create_loads_for_reductions,
573         create_stores_for_reduction, create_loads_and_stores_for_name):
574         Likewise.
575         * tree-phinodes.c (allocate_phi_node): Likewise.
576         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
577         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
578         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
579         * tree-ssa-coalesce.c (compare_pairs): Likewise.
580         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
581         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
582         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
583         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise. 
584         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
585         vn_nary_op_insert): Likewise.
586         * tree-ssa.c (redirect_edge_var_map_add,
587         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
588         * tree-vectorizer.c (vectorize_loops): Likewise.
589         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
590         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
591         tree_cons_stat, build1_stat, build_variant_type_copy,
592         decl_init_priority_lookup, decl_fini_priority_lookup,
593         decl_priority_info, decl_restrict_base_lookup,
594         decl_restrict_base_insert, decl_debug_expr_lookup,
595         decl_debug_expr_insert, decl_value_expr_lookup,
596         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
597         type_hash_add, get_file_function_name, tree_check_failed,
598         tree_not_check_failed, tree_range_check_failed,
599         omp_clause_range_check_failed, build_omp_clause,
600         build_vl_exp_stat): Likewise.
601         * value-prof.c (gimple_histogram_value,
602         gimple_duplicate_stmt_histograms): Likewise.
603         * var-tracking.c (attrs_list_insert, attrs_list_copy,
604         unshare_variable, variable_union_info_cmp_pos, variable_union,
605         dataflow_set_different_1, dataflow_set_different_2,
606         vt_find_locations, variable_was_changed, set_variable_part,
607         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
608         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
609         section_entry_hash, object_block_entry_eq,
610         object_block_entry_hash, create_block_symbol,
611         initialize_cold_section_name, default_function_rodata_section,
612         strip_reg_name, set_user_assembler_name, const_desc_eq,
613         build_constant_desc, output_constant_def, lookup_constant_def,
614         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
615         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
616         default_internal_label): Likewise.
617         * varray.c (varray_init, varray_grow): Likewise.
618         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
619
620 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
621
622         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
623         operators for "test" insn.  Macroize insn using SWI mode macro.
624         (*jcc_fused_2): Ditto.
625         (*jcc_fused_3): Macroize insn using SWI mode macro.
626         (*jcc_fused_4): Ditto.
627
628 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
629
630         * tree-ssa-pre.c: Fix typo in comment.
631         (init_antic, fini_antic): Add explicit funtions for
632         initializing and deinitializing ANTIC and AVAIL sets.
633         (create_expression_by_pieces): Fix typo in comment.
634         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
635         (execute_pre): Eventually dump details about ANTIC_IN.
636
637 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
638
639         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
640         * gcc.c (translate_options, init_spec, store_arg, read_specs,
641         add_to_obstack, file_at_path, find_a_file, execute,
642         add_preprocessor_option, add_assembler_option, add_linker_option,
643         process_command, insert_wrapper, do_option_spec, do_self_spec,
644         spec_path, do_spec_1, is_directory, main, used_arg,
645         getenv_spec_function): Likewise.
646         * tlink.c (symbol_hash_lookup, file_hash_lookup,
647         demangled_hash_lookup, symbol_push, file_push, frob_extension):
648         Likewise.
649
650 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
651
652         * doc/rtl.texi: Updated subreg section.
653
654 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
655
656         PR c++/36523
657         * cgraphunit.c (cgraph_process_new_functions): Don't clear
658         node->needed and node->reachable.
659         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
660         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
661         (expand_task_call): Don't call expand_task_copyfn.
662         (expand_task_copyfn): Renamed to...
663         (finalize_task_copyfn): ... this.
664
665 2008-06-19  Jan Hubicka  <jh@suse.cz>
666
667         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
668         clobbering framepointer.
669
670 2008-06-19  Jan Hubicka  <jh@suse.cz>
671
672         * tree-optimize.c (execute_early_local_optimizations): Set
673         cgraph_state only at first invocation.
674
675 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
676
677         * system.h (-Wc++-compat): Activate as a warning, no an error.
678
679 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
680
681         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
682         instead of "#" in insn asm template.
683         (*jcc_fused_2): Ditto.
684
685 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
686
687         * config/i386/i386.h (ix86_tune_indices)
688         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
689         (TARGET_FUSE_CMP_AND_BRANCH): New define.
690         * config/i386/i386.md (*jcc_fused_1): New insn pattern
691         (*jcc_fused_2): Ditto.
692         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
693         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
694         (print operand): Handle 'E' and 'e' code.
695
696 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
697
698         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
699         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
700         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
701
702 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
703
704         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
705         node->decl.
706         (cgraph_expand_function): Use local copy of decl.
707         (cgraph_expand_all_functions): Remove redundant initialization of
708         order_pos.
709         (cgraph_optimize): Reword internal_error message.
710
711 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
712
713         * arm-protos.h (arm_return_in_memory): Remove public
714         arm_return_in_memory() prototype.
715         * arm.c (arm_return_in_memory): Add static prototype, add target
716         hook macro, change definition and comments.
717         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
718
719 2008-06-19  Ben Elliston  <bje@au.ibm.com>
720
721         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
722         real.c: Remove references to IEEE 754R.
723         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
724         * doc/libgcc.texi (Decimal float library routines): Likewise.
725
726 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
727
728         * targhooks.h (struct gcc_target): New member unwind_word_mode.
729         (default_unwind_word_mode): Add prototype.
730         * targhooks.c (default_unwind_word_mode): New function.
731         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
732         instead of word_mode.
733         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
734         (TARGET_INITIALIZER): Use it.
735
736         * c-common.c (handle_mode_attribute): Support "unwind_word"
737         mode attribute.
738         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
739
740         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
741         word_mode to access SjLj_Function_Context member "data".
742         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
743         conversion from targetm.eh_return_filter_mode () to
744         targetm.unwind_word_mode () if they differ.
745
746         * builtin-types.def (BT_UNWINDWORD): New primitive type.
747         (BT_FN_UNWINDWORD_PTR): New function type.
748         (BT_FN_WORD_PTR): Remove.
749         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
750         * except.c (expand_builtin_extend_pointer): Convert pointer to
751         targetm.unwind_word_mode () instead of word_mode.
752
753         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
754         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
755         (spu_unwind_word_mode): New function.
756         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
757         (TARGET_UNWIND_WORD_MODE): Define.
758         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
759
760 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
761
762         * config/spu/spu.c (reg_align): Remove.
763         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
764         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
765         (spu_split_store): Likewise.
766
767 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
768
769         * gcc/tree-vn.c: Fix typo in comment.
770
771 2008-06-18  Jan Hubicka  <jh@suse.cz>
772
773         * cgraphunit.c (cgraph_optimize): Output debug info when doing
774         toplevel reorder too.
775
776 2008-06-18  Jan Hubicka  <jh@suse.cz>
777
778         * c-opts.c (c_common_post_options): PCH is not compatible with
779         no-unit-at-a-time.
780         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
781         -fno-toplevel-reorder by default now.
782
783 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
784
785         PR documentation/30739
786         * doc/install.texi (Prerequisites): Document dependency on awk.
787
788 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
789             Ian Lance Taylor  <iant@google.com>
790
791         PR rtl-optimization/35604
792         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
793         only want to change jump destinations, not eventual label comparisons.
794
795 2008-06-16  Jan Hubicka  <jh@suse.cz>
796
797         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
798         syntax errors.
799         (cgraph_analyze_function): Likewise.
800
801 2008-06-16  Jan Hubicka  <jh@suse.cz>
802
803         * cgraph.h (cgraph_mark_if_needed): New function.
804         * cgraphunit.c (cgraph_mark_if_needed): New function.
805         * c-decl.c (duplicate_decl): Use it.
806
807 2008-06-16  Jan Hubicka  <jh@suse.cz>
808
809         * cgraph.c (cgraph_add_new_function): When in expansion state, do
810         lowering.
811
812 2008-06-16  Jan Hubicka  <jh@suse.cz>
813
814         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
815
816 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
817             Kazu Hirata  <kazu@codesourcery.com>
818             Maxim Kuvyrkov  <maxim@codesourcery.com
819
820         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
821         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
822         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
823         EXTRA_SPEC_FUNCTIONS.
824         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
825         (DRIVER_SELF_SPECS): Adjust.
826         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
827         * config/mips/st.h, config/mips/t-st: New.
828         * config/mips/driver-native.c, config/mips/x-native: New.
829         * doc/invoke.texi (MIPS): Document 'native' value for -march and
830         -mtune options.
831
832 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
833
834         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
835         from it.
836         (ISA_HAS_FP_CONDMOVE): New macro.
837         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
838         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
839         (ISA_HAS_NMADD3_NMSUB3): New macro.
840         * config/mips/mips.c (mips_rtx_costs): Update.
841         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
842         compiling for ST Loongson 2E/2F.
843         (madd<mode>): Rename to madd4<mode>.  Update.
844         (madd3<mode>): New pattern.
845         (msub<mode>): Rename to msub4<mode>.  Update.
846         (msub3<mode>): New pattern.
847         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
848         (nmadd3<mode>): New pattern.
849         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
850         (nmadd3<mode>_fastmath): New pattern.
851         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
852         (nmsub3<mode>): New pattern.
853         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
854         (nmsub3<mode>_fastmath): New pattern.
855         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
856
857 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
858
859         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
860         (DF_REF_INSN_INFO): New.
861         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
862         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
863         with a NULL DF_REF_INSN_INFO.
864         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
865         DF_INSN_SET.
866         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
867         DF_INSN_INFO_EQ_USES): New.
868         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
869         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
870         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
871         * df-core.c: Update comment for above changes.
872         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
873         DF_INSN_UID_* macros.
874         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
875         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
876         insn rtx.  Update all callers.
877         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
878         df_ref_create_structure, df_insn_refs_collect): Likewise.
879         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
880         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
881         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
882         macros to access the insn refs.
883         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
884         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
885         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
886         for accessing the refs.
887         (try_fwprop_subst): Likewise.
888         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
889         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
890         for accessing the refs.
891         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
892         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
893         to look at the insn refs.
894         (record_uses): Likewise.
895         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
896         function anymore.
897         (mark_artificial_uses): Don't mark_insn for artificial refs.
898         (mark_reg_rependencies): Likewise.
899
900         * doc/rtl.texi: Remove documentation of ADDRESSOF.
901
902 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
903
904         * configure: Regenerate.
905
906 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
907
908         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
909         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
910         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
911
912 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
913
914         * config/avr/avr.c (avr_mcu_t): Add attiny167.
915         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
916         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
917
918 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
919
920         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
921         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
922         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
923
924 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
925
926         * tree-ssa-sccvn.c: Fix format of comments.
927
928 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
929
930         * cgraph.c: Remove unneeded forward declarations of eq_node()
931         and hash_node().
932
933 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
934
935         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
936         REG_RETVAL notes.
937         (see_update_relevancy): Likewise.
938         * fwprop.c (try_fwprop_subst): Likewise.
939         * rtlanal.c (noop_move_p): Likewise.
940         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
941         notes to non-existing libcall blocks.
942         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
943         Remove orig_set.
944         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
945         (dead_libcall_p): Remove.
946         (delete_trivially_dead_insns): Don't use it.
947         * web.c (union_defs): Remove comment about keeping nops.
948         * gcse.c (hash_scan_insn): Don't take libcall pointers.
949         (compute_hash_table_work): Don't track libcall notes.
950         (do_local_cprop): Don't take libcall pointers.  Don't update
951         libcall notes.
952         (adjust_libcall_notes): Deleted.
953         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
954         ever have existed in the first place).
955         (replace_store_insn): Don't try to remove libcall notes.
956         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
957         (resolve_reg_notes): Don't call them.
958         (resolve_simple_move): Likewise.
959         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
960         Don't remove REG_RETVAL notes.
961         * emit-rtl.c (try_split): Don't update libcall notes.
962         (emit_copy_of_insn_after): Dito.
963         * cselib.c (cselib_current_insn_in_libcall): Remove.
964         (cselib_process_insn): Don't set/clear it.
965         (new_elt_loc_list): Don't record it.
966         (cselib_init): Don't initialize it.
967         * cselib.c (struct elt_loc_list): Remove in_libcall field.
968         * loop-invariant.c (find_invariant_insn): Don't look for libcall
969         notes.
970         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
971         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
972         (init_deps): Don't initialize it.
973         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
974         * combine.c (delete_noop_moves): Don't update libcall notes.
975         (can_combine_p): Remove now pointless #if 0 block.
976         (try_combine): Remove another obsolete #if 0 block.
977         (distribute_notes): Don't distribute libcall notes.
978         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
979         * dce.c (libcall_dead_p): Remove.
980         (delete_unmarked_insns): Don't handle libcall blocks.
981         (preserve_libcall_for_dce): Remove.
982         (prescan_insns_for_dce): Don't special-case libcall block insns.
983         * reload1 (reload): Don't handle libcall notes. 
984         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
985         documentation.
986
987 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
988
989         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
990         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
991         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
992
993 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
994
995         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
996         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
997         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
998
999 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1000
1001         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
1002
1003 2008-06-16  Ira Rosen  <irar@il.ibm.com>
1004
1005         PR tree-optimization/36493
1006         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
1007         the arguments list. Use VECTYPE to create vector pointer.
1008         (vectorizable_store): Fail if accesses through a pointer to vectype
1009         do not alias the original memory reference operands.
1010         Call vect_create_data_ref_ptr without the removed argument.
1011         (vectorizable_load): Likewise.
1012         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
1013         removed argument.
1014
1015 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
1016
1017         PR target/36336
1018         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for 
1019         reg_equiv_constant.
1020
1021 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
1022
1023         * config/mips/loongson2ef.md: New file.
1024         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
1025         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
1026         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
1027         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
1028         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
1029         and loongson_2f.
1030         (loongson2ef.md): New include.
1031         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
1032         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
1033         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
1034         (loongson_gt_<mode>, loongson_extract_halfword)
1035         (loongson_insert_halfword_0, loongson_insert_halfword_2)
1036         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
1037         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
1038         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
1039         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
1040         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
1041         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
1042         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
1043         (vec_interleave_low<mode>): Define type attribute.
1044         * config/mips/mips.c (mips_ls2): New static variable.
1045         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
1046         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
1047         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
1048         Implement target scheduling hooks.
1049         (mips_multipass_dfa_lookahead): Update to handle tuning for
1050         Loongson 2E/2F.
1051         (mips_sched_init): Initialize data for Loongson scheduling.
1052         (mips_ls2_variable_issue): New static function.
1053         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
1054         Add sanity check.
1055         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
1056         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
1057         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
1058         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
1059         Handle ST Loongson 2E/2F cores.
1060         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
1061
1062 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1063
1064         * omp-low.c (extract_omp_for_data): Fix comment typo.
1065         * c.opt: Fix typo.
1066
1067 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1068
1069         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
1070         FIXME note about gcc/config.guess.
1071         * doc/options.texi (Option file format): Remove non-ASCII bytes.
1072         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
1073         * doc/cppopts.texi: Likewise.
1074         * doc/extend.texi: Likewise.
1075         * doc/gcc.texi: Likewise.
1076         * doc/gccint.texi: Likewise.
1077         * doc/gcov.texi: Likewise.
1078         * doc/gty.texi: Likewise.
1079         * doc/hostconfig.texi: Likewise.
1080         * doc/install.texi: Likewise.
1081         * doc/invoke.texi: Likewise.
1082         * doc/loop.texi: Likewise.
1083         * doc/makefile.texi: Likewise.
1084         * doc/md.texi: Likewise.
1085         * doc/passes.texi: Likewise.
1086         * doc/tm.texi: Likewise.
1087         * doc/tree-ssa.texi: Likewise.
1088         * doc/trouble.texi: Likewise.
1089
1090 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
1091             Nathan Sidwell  <nathan@codesourcery.com>
1092             Maxim Kuvyrkov  <maxim@codesourcery.com>
1093             Richard Sandiford  <rdsandiford@googlemail.com>
1094         
1095         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
1096         * config/mips/mips-protos.h (mips_expand_vector_init): New.
1097         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
1098         builtins.
1099         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
1100         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
1101         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
1102         V8QImode cases.
1103         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
1104         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
1105         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
1106         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
1107         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
1108         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
1109         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
1110         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
1111         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
1112         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
1113         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
1114         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
1115         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
1116         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
1117         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
1118         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
1119         (mips_builtins): Add Loongson builtins.
1120         (mips_loongson_2ef_bdesc): New.
1121         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
1122         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
1123         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
1124         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
1125         New.
1126         (mips_expand_vector_init): New.
1127         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
1128         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
1129         if appropriate.
1130         * config/mips/mips.md: Add unspec numbers for Loongson
1131         builtins.  Include loongson.md.
1132         (MOVE64): Include Loongson vector modes.
1133         (SPLITF): Include Loongson vector modes.
1134         (HALFMODE): Handle Loongson vector modes.
1135         * config/mips/loongson.md: New.
1136         * config/mips/loongson.h: New.
1137         * config.gcc: Add loongson.h header for mips*-*-* targets.
1138         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
1139
1140 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
1141
1142         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
1143         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
1144         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
1145         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
1146         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
1147         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
1148         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
1149         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
1150         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
1151         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
1152         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
1153         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
1154         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
1155         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
1156         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
1157         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
1158         Remove use_fixproto=yes.
1159         (ia64*-*-hpux*): Remove comment about using fixproto.
1160         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
1161
1162 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1163
1164         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
1165         library rebuilds.
1166         * configure: Regenerate.
1167
1168 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
1169
1170         PR middle-end/36520
1171         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
1172         before evaluating it.
1173
1174 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
1175
1176         PR c/36507
1177         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
1178         nested inline functions.
1179         (start_decl, start_function): Don't invert DECL_EXTERNAL
1180         for nested inline functions.
1181
1182 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
1183
1184         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
1185         splits that must be made for correctness.
1186
1187 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
1188
1189         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
1190         (AVAIL_NON_MIPS16): Likewise.
1191         (mips_builtin_description): Replace target_flags with a predicate.
1192         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
1193         (dspr2_32): New availability predicates.
1194         (MIPS_BUILTIN): New macro.
1195         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
1196         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
1197         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
1198         Replace the TARGET_FLAGS parameters with AVAIL parameters.
1199         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
1200         (mips_dsp_32only_bdesc): Merge into...
1201         (mips_builtins): ...this new array.
1202         (mips_bdesc_map, mips_bdesc_arrays): Delete.
1203         (mips_init_builtins): Update after above changes.
1204         (mips_expand_builtin_1): Merge into...
1205         (mips_expand_builtin): ...here and update after above changes.
1206
1207 2008-06-12  Paul Brook  <paul@codesourcery.com>
1208
1209         * longlong.h (__arm__): Define count_leading_zeros.
1210         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
1211         (clzsi2, clzdi2): New functions.
1212         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
1213         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
1214         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
1215         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
1216         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
1217         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
1218         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
1219         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
1220         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
1221         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
1222
1223 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
1224
1225         * config/m68k/m68k.c (m68k_tune_flags): New.
1226         (override_options): Compute m68k_tune_flags.
1227         (MULL_COST, MULW_COST): Update for various variants of CFV2.
1228         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
1229
1230 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
1231
1232         PR middle-end/36506
1233         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
1234
1235 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
1236
1237         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
1238         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
1239
1240 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
1241
1242         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
1243         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
1244
1245 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
1246
1247         PR middle-end/36506
1248         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
1249         reductions.
1250
1251 2008-06-12  Richard Guenther  <rguenther@suse.de>
1252
1253         PR tree-optimization/36345
1254         * tree-flow.h (struct ptr_info_def): Align escape_mask,
1255         add memory_tag_needed flag.
1256         (may_alias_p): Declare.
1257         * tree-ssa-alias.c (may_alias_p): Export.
1258         (set_initial_properties): Use memory_tag_needed flag.
1259         (update_reference_counts): Likewise.
1260         (reset_alias_info): Reset memory_tag_needed flag.
1261         (create_name_tags): Check memory_tag_needed flag.
1262         (dump_points_to_info_for): Dump it.
1263         * tree-ssa-structalias.c (struct variable_info): Remove
1264         directly_dereferenced flag.
1265         (new_var_info): Do not initialize it.
1266         (process_constraint_1): Do not set it.
1267         (update_alias_info): Set is_dereferenced flag.
1268         (set_uids_in_ptset): Use may_alias_p.
1269         (set_used_smts): Check memory_tag_needed flag.
1270         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
1271         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
1272         memory_tag_needed flag.
1273         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
1274         from broken design.
1275
1276 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
1277
1278         * config/i386/i386.c (ix86_compute_frame_layout): Disable
1279         red zone for w64 abi.
1280         (ix86_expand_prologue): Likewise.
1281         (ix86_force_to_memory): Likewise.
1282         (ix86_free_from_memory): Likewise.
1283
1284 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
1285
1286         PR target/36425
1287         * config/rs6000/rs6000.c (rs6000_override_options): Set
1288         rs6000_isel conditionally to the absence of comand line override.
1289         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1290         Remove duplicate rs6000_isel setting.
1291         * config/rs6000/eabispe.h: Ditto.
1292
1293 2008-06-11  Richard Guenther  <rguenther@suse.de>
1294
1295         * alias.c (get_alias_set): Use the element alias-set for arrays.
1296         (record_component_aliases): For arrays and vectors do nothing.
1297         * c-common.c (strict_aliasing_warning): Handle the cases
1298         of alias set zero explicitly.
1299         * Makefile.in (dfp.o-warn): Add -Wno-error.
1300
1301 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
1302
1303         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
1304         tune_32 tune_64.
1305         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
1306         tune_32 tune_64 to supported_defaults.  Allow values not
1307         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
1308         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
1309         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
1310         with_cpu_64 to generic for 64-bit-supporting configurations, not
1311         with_cpu.  Remove FIXMEs.
1312         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
1313         --with-arch-64, --with-tune-32, --with-tune-64): Document.
1314         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
1315         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
1316         arch_32 and arch_64.
1317
1318 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
1319             Olivier Hainque  <hainque@adacore.com>
1320
1321         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
1322         Use DECL_SIZE_UNIT to retrieve the size of the field.
1323
1324 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
1325
1326         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
1327         with function calls after declarations.  Lay out
1328         neon_float_type_node before further use.
1329
1330 2008-06-11  Richard Guenther  <rguenther@suse.de>
1331
1332         * tree-flow.h (may_point_to_global_var): Declare.
1333         * tree-ssa-alias.c (may_point_to_global_var): New function.
1334         * tree-ssa-sink.c (is_hidden_global_store): Use it.
1335
1336 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
1337
1338         * configure.ac: Teach that fido supports .debug_line.
1339         * configure: Regenerate.
1340
1341 2008-06-10  Tom Tromey  <tromey@redhat.com>
1342
1343         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
1344         debug hook.
1345
1346 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
1347
1348         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
1349         (encode_decimal64, decode_decimal64, encode_decimal128,
1350         decode_decimal128): Reverse order of 32-bit parts of value if host
1351         and target endianness differ.
1352
1353 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
1354
1355         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
1356         Avoid division by 0.
1357         (tree_mod_pow2_value_transform): Likewise.
1358         (tree_ic_transform): Likewise.
1359         (tree_stringops_transform): Likewise.
1360         (tree_mod_subtract_transform): Likewise.
1361         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
1362         (copy_edges_for_bb): Likewise.
1363         (initialize_cfun): Likewise.
1364
1365 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
1366
1367         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
1368         nonmemory_operand. Add "N" operand constraint.
1369         (*btsi): Ditto.
1370         (*jcc_btdi_mask_rex64): New instruction and split pattern.
1371         (*jcc_btsi_mask): Ditto.
1372         (*jcc_btsi_mask_1): Ditto.
1373
1374 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
1375
1376         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
1377         TYPE_CANONICAL for copied element type.
1378
1379 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
1380
1381         PR target/36473
1382         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
1383         Add m_CORE2 and m_GENERIC.
1384         * config/i386/predicates.md (bt_comparison_operator): New predicate.
1385         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
1386         (*btsi): Ditto.
1387         (*jcc_btdi_rex64): New instruction and split pattern.
1388         (*jcc_btsi): Ditto.
1389         (*jcc_btsi_1): Ditto.
1390         (*btsq): Fix Intel asm dialect operand order.
1391         (*btrq): Ditto.
1392         (*btcq): Ditto.
1393
1394 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
1395
1396         PR middle-end/36447
1397         * simplify-rtx.c (simplify_subreg): Add check for shift count 
1398         greater than size.
1399
1400 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
1401
1402         * doc/md.texi: Synchronize with later constraints.md change.
1403         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
1404         with a C implementation.
1405         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
1406         MFLO handling.
1407         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
1408         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
1409         when moving to and from MD_REGNUM.
1410         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
1411         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
1412         Handle byte and halfword moves.
1413         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
1414         separately.
1415         * config/mips/constraints.md (h): Turn into NO_REGS.
1416         (l, x): Update documentation.
1417         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
1418         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
1419         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
1420         (HILO): New mode iterator.
1421         (MOVE128): Add TI.
1422         (any_div): New code iterator.
1423         (u): Extend code attribute to div and udiv.
1424         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
1425         d_operand in the splitters.  Remove redundant CONST_INT checks.
1426         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
1427         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
1428         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
1429         accordingly, using normal moves instead of unspecs to move LO into
1430         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
1431         (<u>mulsidi3): Handle expansion in C code.
1432         (<u>mulsidi3_32bit_internal): Rename to...
1433         (<u>mulsidi3_32bit): ...this.
1434         (<u>mulsidi3_32bit_r4000): Fix insn separator.
1435         (*<u>mulsidi3_64bit): Rename to...
1436         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
1437         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
1438         to set LO and HI to the multiplication result.  Use a normal move
1439         for MFLO and an unspec for MFHI.
1440         (*<u>mulsidi3_64bit_parts): Replace with...
1441         (<u>mulsidi3_64bit_hilo): ...this new instruction.
1442         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
1443         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
1444         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
1445         instead of HI.  Split the instruction into a separate multiplication
1446         and MFHI if !TARGET_FIX_R4000.
1447         (<su>muldi3_highpart): Likewise.
1448         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
1449         and the "=h" clobber.
1450         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
1451         (<u>mulditi3): New expander.
1452         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
1453         (madsi): Remove "=h" clobber.
1454         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
1455         Force the modulus result to be a GPR and split the instruction into
1456         a division followed by an MFHI after reload.
1457         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
1458         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
1459         the MIPS16 HIGH define_split.
1460         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
1461         of acc<->gpr moves to "multi".
1462         (*movdi_64bit): Replace the single "x" alternative with
1463         alternatives for moving into and out of "a".
1464         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
1465         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
1466         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
1467         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
1468         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
1469         (movti): New expander.
1470         (*movti, *movti_mips16): New insns.
1471         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
1472         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
1473         (mthi<GPR:mode>_<HILO:mode>): Likewise.
1474         * config/mips/predicates.md (fpr_operand): Delete.
1475         (d_operand): New predicate.
1476
1477 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
1478
1479         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
1480         failure on some Bourne shells.
1481         (x86_64-*-*): Ditto.
1482
1483 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
1484
1485         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
1486
1487 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1488
1489         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
1490         (sparc-sun-solaris2*): Likewise.
1491
1492 2008-06-09  Arnaud Charlet  <charlet@adacore.com
1493
1494         * doc/install.texi: Update requirements to build the Ada compiler.
1495
1496 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1497
1498         * df-scan.c (struct df_scan_problem_data): Remove the
1499         mw_link_pool alloc pool.
1500         (df_scan_free_internal): Don't free it.
1501         (df_scan_alloc): Don't allocate it.
1502         * df.h (struct df_link): Update comment.
1503
1504 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
1505
1506         * except.h: Correct checks for when SJLJ exceptions must be used.
1507
1508 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1509
1510         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
1511         default.
1512         
1513 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
1514
1515         PR tree-optimization/36218
1516         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
1517         configure for the build system.
1518         (BUILD_LDFLAGS): Define.
1519         * configure: Regenerate.
1520         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
1521
1522 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
1523
1524         PR target/36424
1525         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
1526         * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
1527         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 
1528
1529 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
1530
1531         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
1532
1533 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
1534
1535         * config.gcc (Obsolete configurations): Remove list of
1536         configurations.
1537         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
1538         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
1539         targets matched by those patterns.
1540         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
1541         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
1542         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
1543         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
1544         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1545         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
1546         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
1547         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
1548         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
1549         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
1550         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
1551         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
1552         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
1553         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
1554         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
1555         Make code for Solaris 7 and greater unconditional for Solaris.
1556         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
1557         Remove --with-* handling.
1558         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
1559         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
1560         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
1561         LINK_OS_WINDISS_SPEC): Remove.
1562         * config/rs6000/sysv4.opt (mwindiss): Remove.
1563         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
1564         * configure: Regenerate.
1565         * doc/cpp.texi: Don't mention BeOS.
1566         * doc/extend.texi (interrupt): Don't mention MS1.
1567         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
1568         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
1569         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
1570         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
1571         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
1572         Remove.
1573         * doc/invoke.texi (MT Options): Remove.
1574         (-mwindiss): Remove.
1575         (CRIS Options): Remove cris-axis-aout references.
1576         (HPPA Options): Don't mention hppa1.1-*-pro.
1577         * doc/md.texi: (MorphoTech family): Remove.
1578         * libgcc2.c: Don't handle UWIN.
1579         * config/alpha/t-unicosmk: Remove.
1580         * config/alpha/unicosmk.h: Remove.
1581         * config/arm/kaos-arm.h: Remove.
1582         * config/arm/kaos-strongarm.h: Remove.
1583         * config/arm/strongarm-coff.h: Remove.
1584         * config/arm/strongarm-elf.h: Remove.
1585         * config/arm/strongarm-pe.h: Remove.
1586         * config/arm/t-strongarm-pe: Remove.
1587         * config/arm/t-xscale-coff: Remove.
1588         * config/arm/t-xscale-elf: Remove.
1589         * config/arm/xscale-coff.h: Remove.
1590         * config/arm/xscale-elf.h: Remove.
1591         * config/chorus.h: Remove.
1592         * config/cris/aout.h: Remove.
1593         * config/cris/aout.opt: Remove.
1594         * config/cris/t-aout: Remove.
1595         * config/i386/beos-elf.h: Remove.
1596         * config/i386/kaos-i386.h: Remove.
1597         * config/i386/ptx4-i.h: Remove.
1598         * config/i386/sco5.h: Remove.
1599         * config/i386/sco5.opt: Remove.
1600         * config/i386/sysv4-cpp.h: Remove.
1601         * config/i386/sysv5.h: Remove.
1602         * config/i386/t-beos: Remove.
1603         * config/i386/t-sco5: Remove.
1604         * config/i386/t-uwin: Remove.
1605         * config/i386/uwin.asm: Remove.
1606         * config/i386/uwin.h: Remove.
1607         * config/kaos.h: Remove.
1608         * config/mips/windiss.h: Remove.
1609         * config/mt: Remove directory.
1610         * config/pa/pa-osf.h: Remove.
1611         * config/pa/pa-pro-end.h: Remove.
1612         * config/pa/t-pro: Remove.
1613         * config/ptx4.h: Remove.
1614         * config/rs6000/beos.h: Remove.
1615         * config/rs6000/kaos-ppc.h: Remove.
1616         * config/rs6000/t-beos: Remove.
1617         * config/rs6000/windiss.h: Remove.
1618         * config/sh/kaos-sh.h: Remove.
1619         * config/sol2-6.h: Remove.
1620         * config/sparc/sol26-sld.h: Remove.
1621         * config/sparc/sysv4-only.h: Remove.
1622         * config/vax/bsd.h: Remove.
1623         * config/vax/t-memfuncs: Remove.
1624         * config/vax/ultrix.h: Remove.
1625         * config/vax/vaxv.h: Remove.
1626         * config/windiss.h: Remove.
1627
1628 2008-06-06 Uros Bizjak <ubizjak@gmail.com>
1629
1630         PR rtl-optimization/36438
1631         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
1632         for vector shifts with constant scalar shift operands.
1633
1634 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
1635
1636         * doc/invoke.texi: Document -march=xlr.
1637         * config/mips/xlr.md: New file.
1638         * config/mips/mips.md: Include it.
1639         (cpu): Add "xlr".
1640         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
1641         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
1642         (mips_rtx_cost_data): Likewise.
1643
1644 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
1645
1646         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
1647         PRE_INC and PRE_DEC cases.
1648
1649 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
1650
1651         PR rtl-optimization/36419
1652         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
1653         the emitting jump insn.
1654
1655         PR target/36362
1656         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
1657         is not bool, boolify the whole *expr_p and convert to the desired type.
1658
1659 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
1660
1661         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
1662         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
1663         Add omp_private_outer_ref hook, add another argument to
1664         omp_clause_default_ctor hook.
1665         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
1666         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
1667         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
1668         hook_tree_tree_tree_tree_null.
1669         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
1670         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
1671         * hooks.c (hook_tree_tree_tree_tree_null): New function.
1672         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
1673         * tree.def (OMP_TASK): New tree code.
1674         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
1675         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
1676         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
1677         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
1678         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
1679         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
1680         OMP_CLAUSE_COLLAPSE_EXPR): Define.
1681         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
1682         (OMP_DIRECTIVE_P): Add OMP_TASK.
1683         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
1684         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
1685         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
1686         and OMP_CLAUSE_UNTIED entries.
1687         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
1688         num_ops to 2.
1689         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
1690         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
1691         * tree-pretty-print.c (dump_omp_clause): Handle
1692         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
1693         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
1694         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
1695         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
1696         warning about unsigned iterators.  Change decl/init/cond/incr
1697         arguments to TREE_VECs, check arguments for all collapsed loops.
1698         (c_finish_omp_taskwait): New function.
1699         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
1700         ws_clauses.
1701         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
1702         default_function_array_conversion on init.  Add par_clauses argument.
1703         If decl is present in parallel's lastprivate clause, change it to
1704         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
1705         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
1706         collapse count in clauses.
1707         (c_parser_omp_for, c_parser_omp_parallel): Adjust
1708         c_parser_omp_for_loop callers.
1709         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
1710         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
1711         (c_parser_omp_clause_name): Handle collapse and untied clauses.
1712         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
1713         functions.
1714         (c_parser_omp_clause_schedule): Handle schedule(auto).
1715         Include correct location in the error message.
1716         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
1717         and PRAGMA_OMP_CLAUSE_UNTIED.
1718         (OMP_TASK_CLAUSE_MASK): Define.
1719         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
1720         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
1721         * tree-nested.c (convert_nonlocal_omp_clauses,
1722         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
1723         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
1724         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
1725         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
1726         OMP_CLAUSE_DECL.
1727         (conver_nonlocal_reference, convert_local_reference,
1728         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
1729         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
1730         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
1731         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
1732         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
1733         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
1734         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
1735         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
1736         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
1737         OMP_CLAUSE_UNTIED.
1738         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
1739         * c-common.h (c_finish_omp_taskwait): New prototype.
1740         * gimple-low.c (lower_stmt): Handle OMP_TASK.
1741         * tree-parloops.c (create_parallel_loop): Create 1 entry
1742         vectors for OMP_FOR_{INIT,COND,INCR}.
1743         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
1744         (make_edges): Handle OMP_TASK.
1745         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
1746         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
1747         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
1748         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
1749         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
1750         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
1751         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
1752         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
1753         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
1754         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
1755         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
1756         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
1757         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
1758         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
1759         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
1760         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
1761         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
1762         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
1763         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
1764         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
1765         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
1766         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
1767         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
1768         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
1769         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
1770         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
1771         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
1772         original iterator is present in lastprivate clause or if
1773         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
1774         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
1775         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
1776         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
1777         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
1778         if it is set, lookup var in outer contexts too.  Handle
1779         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
1780         to be implicitly determined firstprivate for task regions.
1781         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
1782         if it is set, lookup var in outer contexts too.  Set
1783         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
1784         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
1785         OMP_CLAUSE_UNTIED.  Take region_type as last argument
1786         instead of in_parallel and in_combined_parallel.
1787         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1788         Adjust callers.
1789         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
1790         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
1791         (new_omp_context): Set default_kind to
1792         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
1793         (omp_region_type): New enum.
1794         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
1795         fields, add region_type.
1796         (new_omp_context): Take region_type as argument instead of is_parallel
1797         and is_combined_parallel.
1798         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
1799         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
1800         ctx->is_combined_parallel checks.
1801         (gimplify_omp_task): New function.
1802         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
1803         OMP_CLAUSE_UNTIED.
1804         * omp-low.c (extract_omp_for_data): Use schedule(static)
1805         for schedule(auto).  Handle pointer and unsigned iterators.
1806         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
1807         Add loops argument.  Extract data for collapsed OMP_FOR loops.
1808         (expand_parallel_call): Assert sched_kind isn't auto,
1809         map runtime schedule to index 3.
1810         (struct omp_for_data_loop): New type.
1811         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
1812         Add loop, loops, collapse and iter_type fields.
1813         (workshare_safe_to_combine_p): Disallow combined for if
1814         iter_type is unsigned long long.  Don't combine collapse > 1 loops
1815         unless all bounds and steps are constant.  Adjust extract_omp_for_data
1816         caller.
1817         (expand_omp_for_generic): Handle pointer, unsigned and long long
1818         iterators.  Handle collapsed OMP_FOR loops.  Adjust
1819         for struct omp_for_data changes.  If libgomp function doesn't return
1820         boolean_type_node, add comparison of the return value with 0.
1821         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
1822         pointer, unsigned and long long iterators.  Adjust for struct
1823         omp_for_data changes.
1824         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
1825         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
1826         unsigned long long.  Allocate loops array, pass it to
1827         extract_omp_for_data.  For collapse > 1 loops use always
1828         expand_omp_for_generic.
1829         (omp_context): Add sfield_map and srecord_type fields.
1830         (is_task_ctx, lookup_sfield): New functions.
1831         (use_pointer_for_field): Use is_task_ctx helper.  Change first
1832         argument's type from const_tree to tree.  Clarify comment.
1833         In OMP_TASK disallow copy-in/out sharing.
1834         (build_sender_ref): Call lookup_sfield instead of lookup_field.
1835         (install_var_field): Add mask argument.  Populate both record_type
1836         and srecord_type if needed.
1837         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
1838         in srecord_type.
1839         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
1840         and DECL_FIELD_OFFSET.
1841         (scan_sharing_clauses): Adjust install_var_field callers.  For
1842         firstprivate clauses on explicit tasks allocate the var by value in
1843         record_type unconditionally, rather than by reference.
1844         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
1845         Use is_taskreg_ctx instead of is_parallel_ctx.
1846         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
1847         (create_omp_child_function_name): Add task_copy argument, use
1848         *_omp_cpyfn* names if it is true.
1849         (create_omp_child_function): Add task_copy argument, if true create
1850         *_omp_cpyfn* helper function.
1851         (scan_omp_parallel): Adjust create_omp_child_function callers.
1852         Rename parallel_nesting_level to taskreg_nesting_level.
1853         (scan_omp_task): New function.
1854         (lower_rec_input_clauses): Don't run constructors for firstprivate
1855         explicit task vars which are initialized by *_omp_cpyfn*.  
1856         Pass outer var ref to omp_clause_default_ctor hook if
1857         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
1858         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
1859         OMP_CLAUSE_REDUCTION_INIT.
1860         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
1861         avoid duplicate setting of fields.  Handle
1862         OMP_CLAUSE_PRIVATE_OUTER_REF.
1863         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
1864         copy-out if TREE_READONLY, only copy-in.
1865         (expand_task_copyfn): New function.
1866         (expand_task_call): New function.
1867         (struct omp_taskcopy_context): New type.
1868         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
1869         New functions.
1870         (lower_omp_parallel): Rename to...
1871         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
1872         Call create_task_copyfn if srecord_type is needed.  Adjust
1873         sender_decl type.
1874         (task_shared_vars): New variable.
1875         (check_omp_nesting_restrictions): Warn if work-sharing,
1876         barrier, master or ordered region is closely nested inside OMP_TASK.
1877         Add warnings for barrier if closely nested inside of work-sharing,
1878         ordered, or master region.
1879         (scan_omp_1): Call check_omp_nesting_restrictions even for
1880         GOMP_barrier calls.  Rename parallel_nesting_level to
1881         taskreg_nesting_level.  Handle OMP_TASK.
1882         (lower_lastprivate_clauses): Even if some lastprivate is found on a
1883         work-sharing construct, continue looking for them on parent parallel
1884         construct.
1885         (lower_omp_for_lastprivate): Add lastprivate clauses
1886         to the beginning of dlist rather than end.  Adjust for struct
1887         omp_for_data changes.
1888         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
1889         not after it.  Handle collapsed OMP_FOR loops, adjust for
1890         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
1891         (get_ws_args_for): Adjust extract_omp_for_data caller.
1892         (scan_omp_for): Handle collapsed OMP_FOR
1893         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
1894         (lower_omp_single_simple): If libgomp function doesn't return
1895         boolean_type_node, add comparison of the return value with 0.
1896         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
1897         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
1898         (parallel_nesting_level): Rename to...
1899         (taskreg_nesting_level): ... this.
1900         (is_taskreg_ctx): New function.
1901         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
1902         of is_parallel_ctx.
1903         (execute_lower_omp): Rename parallel_nesting_level to
1904         taskreg_nesting_level.
1905         (expand_omp_parallel): Rename to...
1906         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
1907         Call omp_task_call for OMP_TASK regions.
1908         (expand_omp): Adjust caller, handle OMP_TASK.
1909         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
1910
1911         * bitmap.c (bitmap_default_obstack_depth): New variable.
1912         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
1913         if argument is NULL and bitmap_default_obstack is already initialized.
1914         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
1915         at the end.
1916         * matrix-reorg.c (matrix_reorg): Likewise.
1917
1918 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
1919
1920         * config/i386/i386.md (*indirect_jump): Macroize using P
1921         mode iterator.  Remove !TARGET_64BIT from insn constraints.
1922         (*tablejump_1): Ditto.
1923         (*indirect_jump_rex64): Remove insn pattern.
1924         (*tablejump_1_rex64): Ditto.
1925         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
1926         and eh_return_si insn patterns.
1927
1928 2008-06-06  Richard Guenther  <rguenther@suse.de>
1929
1930         * tree-ssa-structalias.c (merge_smts_into): Remove.
1931         (find_what_p_points_to): Do not bother to compute the
1932         points-to set for pt_anything pointers.
1933         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
1934         for pt_anything pointers is ok.
1935
1936 2008-06-06  Jan Hubicka  <jh@suse.cz>
1937
1938         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
1939
1940 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1941
1942         * cgraph.c: Fix typos in comments.
1943         (cgraph_availability_names): Fix string typo.
1944         * fold-const.c: Fix typos in comments.
1945         (fold_binary): Fix typo in warning.
1946         * genautomata.c: Fix typos in comments.
1947         (check_presence_pattern_sets): Fix typo in local variable.
1948         (output_description): Fix typo in output.
1949         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
1950         * hwint.h: Likewise.
1951         * matrix-reorg.c (check_allocation_function): Likewise.
1952         * omega.c (smooth_weird_equations): Likewise.
1953         * auto-inc-dec.c: Fix typos in comments.
1954         * bb-reorder.c: Likewise.
1955         * builtins.c: Likewise.
1956         * c-common.c: Likewise.
1957         * c-cppbuiltin.c: Likewise.
1958         * c-parser.c: Likewise.
1959         * c-pretty-print.c: Likewise.
1960         * cfgcleanup.c: Likewise.
1961         * cfgexpand.c: Likewise.
1962         * cfghooks.c: Likewise.
1963         * cfglayout.c: Likewise.
1964         * cfgloopmanip.c: Likewise.
1965         * cgraphunit.c: Likewise.
1966         * coverage.c: Likewise.
1967         * dbxout.c: Likewise.
1968         * df-byte-scan.c: Likewise.
1969         * df-core.c: Likewise.
1970         * df-problems.c: Likewise.
1971         * df-scan.c: Likewise.
1972         * dfp.c: Likewise.
1973         * dominance.c: Likewise.
1974         * domwalk.c: Likewise.
1975         * dse.c: Likewise.
1976         * dwarf2out.c: Likewise.
1977         * emit-rtl.c: Likewise.
1978         * et-forest.c: Likewise.
1979         * function.c: Likewise.
1980         * function.h: Likewise.
1981         * gcc.c: Likewise.
1982         * gcov-io.c: Likewise.
1983         * gcov.c: Likewise.
1984         * gcse.c: Likewise.
1985         * genattrtab.c: Likewise.
1986         * ggc-page.c: Likewise.
1987         * gimplify.c: Likewise.
1988         * gthr-lynx.h: Likewise.
1989         * haifa-sched.c: Likewise.
1990         * ipa-cp.c: Likewise.
1991         * ipa-inline.c: Likewise.
1992         * ipa-prop.h: Likewise.
1993         * ipa-pure-const.c: Likewise.
1994         * ipa-struct-reorg.c: Likewise.
1995         * ipa-struct-reorg.h: Likewise.
1996         * ipa-type-escape.c: Likewise.
1997         * ipa.c: Likewise.
1998         * loop-doloop.c: Likewise.
1999         * mips-tfile.c: Likewise.
2000         * mkmap-flat.awk: Likewise.
2001         * mkmap-symver.awk: Likewise.
2002         * modulo-sched.c: Likewise.
2003         * omp-low.c: Likewise.
2004         * optabs.c: Likewise.
2005         * optabs.h: Likewise.
2006         * opts.c: Likewise.
2007         * passes.c: Likewise.
2008         * postreload-gcse.c: Likewise.
2009         * postreload.c: Likewise.
2010         * predict.c: Likewise.
2011         * pretty-print.h: Likewise.
2012         * profile.c: Likewise.
2013         * protoize.c: Likewise.
2014         * ra-conflict.c: Likewise.
2015         * real.c: Likewise.
2016         * recog.c: Likewise.
2017         * regclass.c: Likewise.
2018         * regs.h: Likewise.
2019         * reload.c: Likewise.
2020         * rtl-error.c: Likewise.
2021         * rtlanal.c: Likewise.
2022         * scan.h: Likewise.
2023         * sched-rgn.c: Likewise.
2024         * see.c: Likewise.
2025         * stmt.c: Likewise.
2026         * target.h: Likewise.
2027         * tree-dfa.c: Likewise.
2028         * tree-eh.c: Likewise.
2029         * tree-flow-inline.h: Likewise.
2030         * tree-inline.c: Likewise.
2031         * tree-into-ssa.c: Likewise.
2032         * tree-loop-distribution.c: Likewise.
2033         * tree-nested.c: Likewise.
2034         * tree-parloops.c: Likewise.
2035         * tree-pass.h: Likewise.
2036         * tree-pretty-print.c: Likewise.
2037         * tree-profile.c: Likewise.
2038         * tree-scalar-evolution.c: Likewise.
2039         * tree-sra.c: Likewise.
2040         * tree-ssa-alias-warnings.c: Likewise.
2041         * tree-ssa-ccp.c: Likewise.
2042         * tree-ssa-coalesce.c: Likewise.
2043         * tree-ssa-dom.c: Likewise.
2044         * tree-ssa-dse.c: Likewise.
2045         * tree-ssa-forwprop.c: Likewise.
2046         * tree-ssa-live.c: Likewise.
2047         * tree-ssa-live.h: Likewise.
2048         * tree-ssa-loop-im.c: Likewise.
2049         * tree-ssa-loop-ivopts.c: Likewise.
2050         * tree-ssa-loop-niter.c: Likewise.
2051         * tree-ssa-loop-prefetch.c: Likewise.
2052         * tree-ssa-phiopt.c: Likewise.
2053         * tree-ssa-phiprop.c: Likewise.
2054         * tree-ssa-sccvn.c: Likewise.
2055         * tree-ssa-ter.c: Likewise.
2056         * tree-ssa-threadupdate.c: Likewise.
2057         * tree-ssa.c: Likewise.
2058         * tree-vect-analyze.c: Likewise.
2059         * tree-vect-transform.c: Likewise.
2060         * tree-vectorizer.c: Likewise.
2061         * tree-vn.c: Likewise.
2062         * tree-vrp.c: Likewise.
2063         * tree.c: Likewise.
2064         * tree.def: Likewise.
2065         * tree.h: Likewise.
2066         * unwind-dw2-fde.c: Likewise.
2067         * unwind.inc: Likewise.
2068         * value-prof.c: Likewise.
2069         * vmsdbgout.c: Likewise.
2070
2071 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
2072
2073         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
2074         always place FP constants in the TOC for TARGET_POWERPC64.
2075         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
2076
2077 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
2078
2079         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
2080         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
2081         enable for TARGET_E500_DOUBLE.
2082         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
2083         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
2084         floating-point modes like integer modes for E500 double.
2085         (rs6000_legitimate_offset_address_p): Likewise.
2086         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
2087         addressing for DDmode for E500 double.
2088         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
2089         modes as using 64-bits of registers for E500 double.
2090         (spe_build_register_parallel): Do not handle DDmode or TDmode.
2091         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
2092         specially for E500 double.
2093         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
2094         TDmode for E500 double.
2095         (rs6000_gimplify_va_arg): Only handle SDmode in registers
2096         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
2097         (rs6000_split_multireg_move): Do not handle TDmode specially for
2098         E500 double.
2099         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
2100         using 64-bit registers for E500 double.
2101         (emit_frame_save): Do not handle DDmode specially for E500 double.
2102         (gen_frame_mem_offset): Likewise.
2103         (rs6000_function_value): Do not call spe_build_register_parallel
2104         for DDmode or TDmode.
2105         (rs6000_libcall_value): Likewise.
2106         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
2107         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
2108         for E500 double.
2109
2110 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
2111
2112         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
2113         in comments.
2114
2115 2008-06-04  Junjie Gu <jgu@tensilica.com>
2116
2117         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
2118         comparison for frame pointers.
2119
2120 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
2121
2122         PR target/27386
2123         * config/avr/avr.h (PUSH_ROUNDING): Remove.
2124
2125 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
2126
2127         PR target/30243
2128         * builtins.c (expand_builtin_signbit): Don't take lowpart when
2129         register is already smaller or equal to required mode. 
2130
2131 2008-06-04  Xinliang David Li  <davidxl@google.com>
2132
2133         * tree-call-cdce.c: New file. 
2134         (cond_dead_built_in_calls): New static variable.
2135         (input_domain): New struct.
2136         (check_pow): New function.
2137         (check_builtin_call): Ditto.
2138         (check_target_format): Ditto.
2139         (is_call_dce_candidate): Ditto.
2140         (gen_one_condition): Ditto.
2141         (gen_conditions_for_domain): Ditto.
2142         (get_domain): Ditto.
2143         (gen_conditions_for_pow_cst_base): Ditto.
2144         (gen_conditions_for_pow_int_base): Ditto.
2145         (gen_conditions_for_pow): Ditto.
2146         (get_no_error_domain): Ditto.
2147         (gen_shrink_wrap_conditions): Ditto.
2148         (shrink_wrap_one_built_in_call): Ditto.
2149         (shink_wrap_conditional_dead_built_in_calls): Ditto.
2150         (tree_call_cdce): Ditto.
2151         (gate_call_cdce): Ditto.
2152         (pass_call_cdce): New gimple pass.
2153         * passes.c: (init_optimization_passes): New pass.
2154         * tree-pass.h: New pass declaration.
2155         * opts.c (decode_options): New flag setting.
2156         * common.opt: Add -ftree-builtin-call-dce flag.
2157         * Makefile.in: Add new source file.
2158         * tempvar.def: New tv_id.
2159         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
2160
2161 2008-06-04  Richard Guenther  <rguenther@suse.de>
2162
2163         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
2164         (is_call_clobbered): Always check var_ann->call_clobbered.
2165         (mark_call_clobbered): Always set var_ann->call_clobbered.
2166         (clear_call_clobbered): Always clear var_ann->call_clobbered.
2167         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
2168         (reset_alias_info): Clear call clobbering info on MTAGs and
2169         globals as well.
2170         (set_pt_anything): Set pt_global_mem.
2171         (create_tag_raw): Adjust comment.
2172         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
2173
2174 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
2175             Maxim Kuvyrkov  <maxim@codesourcery.com>
2176
2177         * config/m68k/m68k.opt (mxgot): New option.
2178         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
2179         (m68k_output_addr_const_extra): New.
2180         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
2181         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
2182         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
2183         * doc/invoke.texi (M680x0 Options): Document -mxgot.
2184
2185 2008-06-04  Richard Guenther  <rguenther@suse.de>
2186
2187         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
2188         negative or non-representable offsets.
2189
2190 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
2191
2192         * config/i386/i386.c (ix86_gen_leave): New.
2193         (ix86_gen_pop1): Likewise.
2194         (ix86_gen_add3): Likewise.
2195         (ix86_gen_sub3): Likewise.
2196         (ix86_gen_sub3_carry): Likewise.
2197         (ix86_gen_one_cmpl2): Likewise.
2198         (ix86_gen_monitor): Likewise.
2199         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
2200         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
2201         ix86_gen_one_cmpl2 and ix86_gen_monitor.
2202         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
2203         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
2204         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
2205         (ix86_expand_epilogue): Updated.
2206         (print_operand): Handle integer register operand for 'z'.
2207         (ix86_expand_strlensi_unroll_1): Likewise.
2208         (ix86_expand_strlen): Likewise.
2209         (ix86_expand_builtin): Likewise.
2210         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
2211         mov{q}/mov{l} and add{q}/add{l}.
2212
2213 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
2214
2215         * config/i386/i386.md (P): New mode iterator.
2216         (SFmode push_operand splitter): Macroize DImode and SImode pushes
2217         using P mode iterator.
2218         (DFmode push_operand splitter): Ditto.
2219         (XFmode push_operand splitter): Ditto.
2220         (DFmode float_extend SFmode push_operand splitter): Ditto.
2221         (XFmode float_extend SFmode push_operand splitter): Do not generate
2222         SImode pushes for 64bit target.  Macroize Dimode and SImode
2223         pushes using P mode iterator.
2224         (XFmode float_extend DFmode push_operand splitter): Ditto.
2225
2226 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
2227
2228         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
2229         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
2230         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
2231         return type to int.
2232         (ix86_call_abi_override): Remove check for call_used_regs.
2233
2234 2008-06-03  Richard Guenther  <rguenther@suse.de>
2235
2236         * tree-ssa-structalias.c (find_func_aliases): Add constraints
2237         for the lhs of calls if the return type contains pointers.
2238
2239 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
2240
2241         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
2242         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
2243         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
2244         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
2245         of cfun and DEFAULT_ABI to deceide abi mode.
2246         (DEFAULT_ABI): New.
2247         (REG_PARM_STACK_SPACE): Removed.
2248         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
2249         (STACK_BOUNDARY): Use default target to deceide stack boundary.
2250         * config/i386/i386-protos.h (ix86_cfun_abi): New.
2251         (ix86_function_abi): Likewise.
2252         (ix86_function_type_abi): Likewise.
2253         (ix86_call_abi_override): Likewise.
2254         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
2255         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
2256         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
2257         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
2258         specific defines.
2259         (X86_64_REGPARM_MAX): New.
2260         (X86_64_SSE_REGPARM_MAX): New.
2261         (X64_REGPARM_MAX): New.
2262         (X64_SSE_REGPARM_MAX): New.
2263         (X86_32_REGPARM_MAX): New.
2264         (X86_32_SSE_REGPARM_MAX): New.
2265         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
2266         (ix86_function_regparm): Handle user calling abi.
2267         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
2268         by DEFAULT_ABI versus SYSV_ABI check.
2269         (ix86_reg_parm_stack_space): New.
2270         (ix86_function_type_abi): New.
2271         (ix86_call_abi_override): New.
2272         (ix86_function_abi): New.
2273         (ix86_cfun_abi): New.
2274         (init_cumulative_args): Call abi specific initialization.
2275         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
2276         (function_arg_64): Extend SSE_REGPARM_MAX check.
2277         (function_arg (): Remove TARGET_64BIT_MS_ABI.
2278         (ix86_pass_by_reference): Likewise.
2279         (ix86_function_value_regno_p): Likewise.
2280         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
2281         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
2282         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
2283         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
2284         (setup_incoming_varargs_64): Adjust regparm for call abi.
2285         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
2286         (ix86_va_start): Likewise.
2287         (ix86_gimplify_va_arg): Likewise.
2288         (ix86_expand_prologue): Likewise.
2289         (output_pic_addr_const): Likewise.
2290         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
2291         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
2292         (x86_output_mi_thunk): Likewise.
2293         (x86_function_profiler): Likewise.
2294         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
2295         (SYSV_ABI, MS_ABI): New constants.
2296         (DEFAULT_ABI): New.
2297         (init_regs): Add prototype of function in regclass.c file.
2298         (OVERRIDE_ABI_FORMAT): New.
2299         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
2300         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
2301         (OUTGOING_REG_PARM_STACK_SPACE): New.
2302         (ix86_reg_parm_stack_space): New prototype.
2303         (CUMULATIVE_ARGS): Add call_abi member.
2304         (machine_function): Add call_abi member.
2305         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
2306         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
2307
2308 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
2309
2310         PR target/34879
2311         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
2312         (avr_builtin_setjmp_frame_value): New function.
2313         * config/avr/avr.md (nonlocal_goto_receiver): Define.
2314         (nonlocal_goto): Define.
2315
2316 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
2317
2318         * config/mips/mips.c (mips_emit_loadgp): Return early if
2319         there is nothing do to, otherwise emit a blockage if
2320         !TARGET_EXPLICIT_RELOCS || crtl->profile.
2321         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
2322
2323 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2324
2325         * configure.ac: Drop unneeded backslash ending up in config.in.
2326         * acinclude.m4: Likewise.
2327         * config.in: Regenerate.
2328
2329 2008-05-26  Jan Hubicka  <jh@suse.cz>
2330
2331         * predict.c (maybe_hot_frequency_p): Break out of...
2332         (maybe_hot_bb_p): ... here.
2333         (maybe_hot_edge_p): New.
2334         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
2335         * basic-block.h (maybe_hot_edge_p): Declare.
2336
2337 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
2338
2339         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
2340         (*cmpfp_<mode>_cc): Ditto.
2341         (*fp_jcc_8<mode>_387): Ditto.
2342         (*fop_<MODEF:mode>_2_i387): Ditto.
2343         (*fop_<MODEF:mode>_3_i387): Ditto.
2344         (*fop_xf_2_i387): Ditto.
2345         (*fop_xf_3_i387): Ditto.
2346
2347 2008-06-02  Tomas Bily  <tbily@suse.cz>
2348
2349         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
2350
2351 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
2352
2353         * config/mips/mips.c (mips_valid_offset_p): New function.
2354         (mips_valid_lo_sum_p): Likewise.
2355         (mips_classify_address): Use them.
2356         (mips_force_address): New function.
2357         (mips_legitimize_address): Use it.
2358         * config/mips/mips.md (MOVE128): New mode iterator.
2359         (movtf): Require TARGET_64BIT.  Remove empty strings.
2360         (*movtf_internal): Rename to...
2361         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
2362         of "R" and use {,fp}{load,store} attributes instead of "multi".
2363         Use a separate define_split.
2364         (*movtf_mips16): New pattern.
2365
2366 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
2367
2368         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
2369         * config/mips/mips.c (mips_expand_before_return): New function.
2370         (mips_expand_epilogue): Call it.
2371         * config/mips/mips.md (return): Turn into a define_expand.
2372         (*return): New insn.
2373
2374 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
2375
2376         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
2377         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
2378         functions.  Do not emit uses and clobbers of CONCATs; individually
2379         use and clobber their operands.
2380         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
2381         gen_clobber, emit_use and gen_use.
2382         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
2383         (expand_builtin_return): Likewise.
2384         * cfgbuild.c (count_basic_blocks): Likewise.
2385         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
2386         * explow.c (emit_stack_restore): Likewise.
2387         * expmed.c (extract_bit_field_1): Likewise.
2388         * expr.c (convert_move, emit_move_complex_parts): Likewise.
2389         (emit_move_multi_word, store_constructor): Likewise.
2390         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
2391         (thread_prologue_and_epilogue_insns): Likewise.
2392         * lower-subreg.c (resolve_simple_move): Likewise.
2393         * optabs.c (widen_operand, expand_binop): Likewise.
2394         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
2395         * reload.c (find_reloads): Likewise.
2396         * reload1.c (eliminate_regs_in_insn): Likewise.
2397         * stmt.c (expand_nl_goto_receiver): Likewise.
2398         * config/alpha/alpha.md (builtin_longjmp): Likewise.
2399         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
2400         * config/arm/arm.c (arm_load_pic_register): Likewise.
2401         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
2402         * config/arm/arm.md (untyped_return): Likewise.
2403         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
2404         * config/avr/avr.c (expand_prologue): Likewise.
2405         * config/bfin/bfin.c (do_unlink): Likewise.
2406         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
2407         * config/cris/cris.c (cris_expand_prologue): Likewise.
2408         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2409         (machopic_legitimize_pic_address): Likewise.
2410         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
2411         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
2412         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
2413         (ix86_expand_convert_uns_didf_sse): Likewise.
2414         (ix86_expand_vector_init_general): Likewise.
2415         * config/ia64/ia64.md (eh_epilogue): Likewise.
2416         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
2417         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
2418         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
2419         (config/iq2000/iq2000.c): Likewise.
2420         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
2421         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
2422         (builtin_longjmp): Likewise.
2423         * config/mn10300/mn10300.md (call, call_value): Likewise.
2424         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
2425         * config/pdp11/pdp11.md (abshi2): Likewise.
2426         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2427         * config/s390/s390.c (s390_emit_prologue): Likewise.
2428         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
2429         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
2430         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
2431         * config/sh/sh.c (prepare_move_operands): Likewise.
2432         (output_stack_adjust, sh_expand_epilogue): Likewise.
2433         (sh_set_return_address, sh_expand_t_scc): Likewise.
2434         * config/sparc/sparc.c (load_pic_register): Likewise.
2435         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
2436         * config/spu/spu.c (spu_expand_epilogue): Likewise.
2437         * config/v850/v850.c (expand_epilogue): Likewise.
2438
2439 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
2440
2441         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
2442         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
2443         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
2444         * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
2445         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
2446         stack pointer register.
2447         (output_movhi): Remove code for interrupt specific writing to the 
2448         stack pointer register.
2449
2450 2008-05-31  Richard Guenther  <rguenther@suse.de>
2451
2452         PR tree-optimization/34244
2453         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
2454         (tree_expr_nonzero_warnv_p): Likewise.
2455         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
2456         ssa_name_nonnegative_p.
2457         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
2458         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
2459         not tree_expr_nonzero_warnv_p.
2460
2461         PR tree-optimization/36262
2462         Revert
2463         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
2464
2465         PR tree-optimization/34244
2466         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
2467         (record_numbers_of_iterations): New function.
2468         (execute_vrp): Cache the numbers of iterations of loops.
2469         * tree-scalar-evolution.c (scev_reset_except_niters):
2470         New function.
2471         (scev_reset): Use scev_reset_except_niters.
2472         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
2473
2474 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2475
2476         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2477         __WORKAROUND_RETS when appropriate.
2478
2479 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
2480
2481         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
2482         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
2483         mode iterator.
2484         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
2485         *fop_df_comm_sse insn patterns using MODEF mode iterator.
2486         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
2487         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
2488         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
2489         *fop_df_1_mixed insn patterns using MODEF mode iterator.
2490         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
2491         *fop_df_1_sse insn patterns using MODEF mode iterator.
2492         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
2493         *fop_df_1_i387 insn patterns using MODEF mode iterator.
2494         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
2495         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
2496         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
2497         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
2498         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
2499         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
2500         (*fop_xf_4_i387): Use <MODE> for mode attribute.
2501         (*fop_xf_5_i387): Ditto.
2502         (*fop_xf_6_i387): Ditto.
2503
2504 2008-05-30  Richard Guenther  <rguenther@suse.de>
2505
2506         * builtins.c (build_string_literal): Avoid generating
2507         a non-gimple_val result.
2508
2509 2008-05-30  DJ Delorie  <dj@redhat.com>
2510
2511         * exec-tool.in: Use an environment variable (private) instead of a
2512         file (shared) as a semaphore, so as to not break parallel builds.
2513
2514 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
2515
2516         * optabs.c (maybe_encapsulate_block): Remove.
2517         (emit_libcall_block): Adjust accordingly.
2518         * optabs.h (maybe_encapsulate_block): Remove prototype.
2519
2520         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
2521         Don't use maybe_encapsulate_block.
2522
2523 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
2524
2525         * config/rs6000/rs6000.c (rs6000_legitimize_address,
2526         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
2527         rtx is a SYMBOL_REF before calling get_pool_constant.
2528
2529 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
2530
2531         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
2532
2533 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
2534
2535         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
2536         rather than OS names to choose INO_T_EQ definition.
2537         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
2538         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
2539
2540 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
2541
2542         PR target/36348
2543         * config/darwin-f.c: New.
2544         * config/t-darwin: Added rule to build darwin-f.o.
2545         * config.gcc: Defined new variable, fortran_target_objs.
2546         (*-*-darwin*): Set fortran_target_objs.
2547         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
2548         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
2549         * configure: Regenerated.
2550
2551 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
2552
2553         PR target/35771
2554         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
2555         canonical type if needed.
2556
2557 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
2558
2559         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
2560
2561 2008-05-29  Richard Guenther  <rguenther@suse.de>
2562
2563         PR tree-optimization/36343
2564         PR tree-optimization/36346
2565         PR tree-optimization/36347
2566         * tree-flow.h (clobber_what_p_points_to): Declare.
2567         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
2568         pointed-to variable is dereferenced is irrelevant to whether
2569         the pointer can access the pointed-to variable.
2570         (clobber_what_p_points_to): New function.
2571         * tree-ssa-alias.c (set_initial_properties): Use it.
2572         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
2573         call clobber check for NMTs.
2574
2575 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
2576         
2577         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
2578         for printing gcov_type.
2579
2580 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
2581
2582         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
2583         and the eh region information.
2584         * value-prof.c (gimple_move_stmt_histograms): New function.
2585         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
2586
2587 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
2588
2589         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
2590
2591 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
2592
2593         * value-prof.c (tree_ic_transform): Print counts.
2594         * tree-profile.c (tree_gen_ic_func_profiler):
2595         Clear __gcov_indreict_call_callee variable to avoid misattribution
2596         of the profile.
2597
2598 2008-05-28  Rafael Espindola  <espindola@google.com>
2599
2600         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
2601         invalid sharing.
2602
2603 2008-05-28  Richard Guenther  <rguenther@suse.de>
2604
2605         PR tree-optimization/36339
2606         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
2607         and clobbering code out of the loop.
2608
2609 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2610
2611         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
2612         letters defined.
2613
2614         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
2615         s390_contiguous_bitmask_p, s390_symref_operand_p,
2616         s390_check_symref_alignment, s390_reload_larl_operand,
2617         s390_reload_symref_address): New functions.
2618         (s390_branch_condition_mnemonic): Support compare and branch
2619         instructions.
2620         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
2621         and 'W' constraints.
2622         (s390_secondary_reload): Add secondary reloads for unaligned
2623         symbol refs or symbol refs to floating point or QI/TI mode
2624         integer values.
2625         (legitimate_address_p): Accept symbol references as addresses.
2626         (s390_expand_insv): Use rotate and insert selected bits
2627         instruction for insv when building for z10.
2628         (print_operand_address): Handle symbol ref addresses.
2629         (print_operand): Output modifier 'c' added for signed byte values.
2630         (s390_encode_section_info): Mark symbol refs with
2631         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
2632
2633         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
2634         (length attribute): RRF, RRR have 4 byte length.
2635         (FPALL, INTALL): New mode iterators added.
2636         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
2637         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
2638         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
2639         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
2640         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
2641         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
2642         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
2643         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
2644         instructions.
2645         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
2646         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
2647         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
2648         reload<INTALL:mode><P:mode>_toreg_z10,
2649         reload<FPALL:mode><P:mode>_tomem_z10,
2650         reload<FPALL:mode><P:mode>_toreg_z10,
2651         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
2652         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
2653         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
2654         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
2655         definition.
2656         (movmem, clrmem, cmpmem): New splitters added.
2657
2658         * config/s390/predicates.md (larl_operand): Use
2659         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
2660         SYMBOL_REF_ALIGN1_P.
2661         (s390_signed_integer_comparison,
2662         s390_unsigned_integer_comparison): New predicates.
2663
2664         * config/s390/s390-protos.h (s390_check_symref_alignment,
2665         s390_contiguous_bitmask_p, s390_reload_larl_operand,
2666         s390_reload_symref_address,
2667         s390_compare_and_branch_condition_mask): Prototypes added.
2668
2669         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
2670         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
2671         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
2672
2673 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2674
2675         * config/s390/s390.c (z10_cost): New cost function for z10.
2676         (s390_handle_arch_option, override_options): Support -march=z10 switch.
2677         (s390_issue_rate): Adjust issue rate for z10.
2678         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
2679         (processor_flags): Add PF_Z10.
2680         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
2681         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
2682         * gcc/config.gcc: Add z10.
2683
2684 2008-05-28  Richard Guenther  <rguenther@suse.de>
2685
2686         PR tree-optimization/36291
2687         * tree-flow. h (struct gimple_df): Remove var_anns member.
2688         * tree-flow-inline.h (gimple_var_anns): Remove.
2689         (var_ann): Simplify.
2690         * tree-dfa.c (create_var_ann): Simplify.
2691         (remove_referenced_var): Clear alias info from var_anns of globals.
2692         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
2693         (delete_tree_ssa): Clear alias info from var_anns of globals.
2694         Do not free var_anns.
2695         (var_ann_eq): Remove.
2696         (var_ann_hash): Likewise.
2697
2698 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
2699
2700         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
2701         and loongson2f entries.
2702         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
2703         * config/mips/mips.h (processor_type): Add Loongson-2E
2704         and Loongson-2F entries.
2705         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
2706         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
2707         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
2708         * doc/invoke.texi (MIPS Options): Document loongson2e
2709         and loongson2f processor names.
2710
2711 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
2712
2713         PR target/35767
2714         PR target/35771
2715         * config/i386/i386.c (ix86_function_arg_boundary): Use
2716         alignment of canonical type.
2717         (ix86_expand_vector_move): Check unaligned memory access for
2718         all SSE modes.
2719
2720 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
2721
2722         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
2723         Moved to the front of file.
2724
2725 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
2726             H.J. Lu  <hongjiu.lu@intel.com>
2727
2728         * dwarf2out.c (current_fde): New.
2729         (add_cfi): Use it.
2730         (lookup_cfa:): Likewise.
2731         (dwarf2out_end_epilogue): Likewise.
2732         (dwarf2out_note_section_used): Likewise.
2733
2734 2008-05-27  Michael Matz  <matz@suse.de>
2735
2736         PR c++/27975
2737         * c.opt (Wenum-compare): New warning option.
2738         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
2739
2740 2008-05-27  Michael Matz  <matz@suse.de>
2741
2742         PR middle-end/36326
2743         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
2744         non-BLKmode types.
2745         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
2746         into memory as tail calls.
2747
2748 2008-05-27  Richard Guenther  <rguenther@suse.de>
2749
2750         PR tree-optimization/36339
2751         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
2752         pointers cause all addressable variables to be call clobbered.
2753
2754 2008-05-27  Richard Guenther  <rguenther@suse.de>
2755
2756         PR tree-optimization/36245
2757         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
2758
2759 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2760
2761         * config/s390/s390.md: Replace all occurences of the 'm'
2762         constraint with 'RT'.
2763
2764 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2765
2766         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
2767         definitions added.
2768         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
2769         "*movdi_64".
2770         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
2771         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
2772         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
2773
2774 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2775
2776         * reload.c: (find_reloads): Skip alternatives according to the
2777         "enabled" attribute. Constify the constraint variable.
2778         * recog.c (get_attr_enabled): Add default implementation.
2779         (extract_insn): Set the alternative_enabled_p array
2780         in the recog_data struct.
2781         (preprocess_constraints, constrain_operands): Skip
2782         alternatives according to the "enabled" attribute
2783         * recog.h (struct recog_data): New field alternative_enabled_p.
2784         (skip_alternative): New inline function.
2785         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
2786         (record_reg_classes): Skip alternative according to the
2787         "enabled" attribute.
2788
2789         * doc/md.texi: Add documention for the "enabled" attribute.
2790
2791 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2792
2793         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
2794         * postreload.c (reload_cse_simplify_operands): Replace 'm'
2795         constraint with TARGET_MEM_CONSTRAINT.
2796         * recog.c (asm_operand_ok, preprocess_constraints,
2797         constrain_operands): Likewise.
2798         * regclass.c (record_reg_classes): Likewise.
2799         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
2800         * reload1.c (maybe_fix_stack_asms): Likewise.
2801         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
2802         * recog.h: Adjust comment.
2803         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
2804         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
2805         * doc/md.texi: Add a note to description of 'm' constraint.
2806         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
2807
2808 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
2809
2810         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
2811         that the bitfield is of integral type before testing its precision.
2812
2813 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2814             Sa Liu  <saliu@de.ibm.com> 
2815
2816         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
2817         __modti3, __udivti3, __umodti3 and __udivmodti4.
2818         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
2819         that implement TImode mul and div functions.
2820         * config/spu/multi3.c: New. Implement __multi3.
2821         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
2822         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
2823         functions on SPU.
2824
2825 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
2826
2827         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
2828         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
2829         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
2830         tls_sysv_suffix): New mode and mode attribute iterators.
2831         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
2832         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
2833         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
2834         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
2835         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
2836         iterators.
2837
2838 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
2839
2840         PR tree-optimization/36329
2841         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
2842         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
2843         * cgraphbuild.c (initialize_inline_failed): Use the latter
2844         macro in lieu of the former.
2845         * ipa-inline.c (cgraph_mark_inline): Likewise.
2846         (cgraph_decide_inlining_of_small_function): Likewise.
2847         (cgraph_decide_inlining): Likewise.
2848         (cgraph_decide_inlining_incrementally): Likewise.
2849
2850 2008-05-26  Tristan Gingold  <gingold@adacore.com>
2851             Anatoly Sokolov  <aesok@post.ru>
2852
2853         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
2854         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
2855         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
2856         optimization for 'avr6' architecture.
2857
2858 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
2859
2860         PR target/34932
2861         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
2862
2863 2008-05-26  Richard Guenther  <rguenther@suse.de>
2864
2865         * tree-ssa-sccvn.c (expr_has_constants): Declare.
2866         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
2867
2868 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
2869
2870         PR middle-end/36253
2871         * caller-save.c (insert_restore): Verify alignment of spill space.
2872         (insert_save): Likewise.
2873         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
2874         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
2875         (STACK_SLOT_ALIGNMENT): Likewise.
2876         * function.c (LOCAL_ALIGNMENT): Removed.
2877         (get_stack_local_alignment): New.
2878         (assign_stack_local): Use it.  Set alignment on stack slot.
2879         (assign_stack_temp_for_type): Use get_stack_local_alignment.
2880         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
2881         (STACK_SLOT_ALIGNMENT): New.
2882         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
2883         stack slot in XFmode.
2884
2885         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
2886
2887 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
2888
2889         PR/36321
2890         * config/i386/i386.md (allocate_stack_worker_64): Make sure
2891         argument operand in rax isn't removed.
2892
2893 2008-05-26  Richard Guenther  <rguenther@suse.de>
2894
2895         PR middle-end/36300
2896         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
2897         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
2898
2899 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2900
2901         PR bootstrap/36331
2902         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
2903
2904 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
2905
2906         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
2907         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
2908
2909 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2910
2911         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
2912         build a trampoline if we don't want one.
2913         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
2914         return zero for nested functions if we don't want a trampoline.
2915
2916 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2917
2918         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
2919
2920 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2921
2922         PR fortran/18428
2923         * c.opt: Removed undocumented option '-lang-fortran'.
2924         * c-common.h: Removed global variable 'lang_fortran'.
2925         * c-opts.c (c_common_handle_option): Removed code to handle
2926         option '-lang-fortran'. Updated includes.
2927         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
2928         definition of '__GFORTRAN__'.
2929         (define__GNUC__): Reimplemented to use BASEVER and
2930         cpp_define_formatted.
2931         (builtin_define_with_value_n): Removed.
2932         * c-incpath.h: Renamed to ...
2933         * incpath.h: ... this.
2934         * c-incpath.c: Renamed to ...
2935         * incpath.c: ... this. Updated includes.
2936         * fix-header.c: Updated includes.
2937         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
2938         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
2939         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
2940
2941 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2942
2943         * tree.h: Update the table of flags used on tree nodes.
2944         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
2945         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
2946         (FORCED_LABEL): Add access check.
2947         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
2948         (ASM_INPUT_P): Likewise.
2949         (ASM_VOLATILE_P): Likewise.
2950         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
2951         (OMP_SECTION_LAST): Access private_flag directly.
2952         (OMP_RETURN_NOWAIT): Likewise.
2953         (OMP_PARALLEL_COMBINED): Likewise.
2954         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
2955         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
2956         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
2957         deprecated_flag directly.
2958
2959 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
2960
2961         * final.c (frame_pointer_needed): Removed.
2962         * flags.h (frame_pointer_needed): Likewise.
2963
2964         * function.h (rtl_data): Add frame_pointer_needed.
2965         (frame_pointer_needed): New.
2966
2967 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
2968
2969         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
2970
2971 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
2972
2973         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
2974         SRC is a REG.
2975
2976 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
2977
2978         * c-common.c (strip_array_types): Move function to..
2979         * tree.c: ..here.
2980         (get_inner_array_type): Delete.
2981         * c-common.h (strip_array_types): Move declaration to..
2982         * tree.h: ..here.
2983         (get_inner_array_type): Delete.
2984         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
2985         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
2986         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
2987         * config/pa/pa.c (emit_move_sequence): Likewise.
2988
2989 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
2990
2991         * config/i386/i386.md (*sse_prologue_save_insn): Set length
2992         attribute to 34.
2993
2994 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
2995
2996         * function.c: Include target hook for nonlocal_goto frame value.
2997
2998 2008-05-24  Richard Guenther  <rguenther@suse.de>
2999
3000         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
3001         variable can be only accessed through a pointer or a union.
3002
3003 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3004
3005         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
3006         * doc/extend.texi: Likewise.
3007
3008 2008-05-23  DJ Delorie  <dj@redhat.com>
3009
3010         * config/m32c/jump.md (untyped_call): Add.
3011
3012         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
3013         for A24 to PSImode.
3014         (m32c_address_cost): Detail costs for indirect offsets.
3015
3016 2008-05-23  Rafael Espindola  <espindola@google.com>
3017
3018         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
3019         if a node is a SUBREG.
3020         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
3021         is a SUBREG.
3022
3023 2008-05-23  Paul Brook  <paul@codesourcery.com>
3024             Carlos O'Donell  <carlos@codesourcery.com>
3025
3026         * doc/extend.texi: Clarify use of __attribute__((naked)).
3027         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
3028         * target.h (gcc_target): Add allocate_stack_slots_for_args.
3029         * function.c (use_register_for_decl): Use
3030         targetm.calls.allocate_stack_slots_for_args.
3031         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
3032         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
3033         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
3034
3035 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
3036
3037         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
3038
3039 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
3040
3041         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
3042         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
3043         is only rounded once.
3044
3045 2008-05-23  Richard Guenther  <rguenther@suse.de>
3046
3047         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
3048
3049 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
3050             Jakub Jelinek  <jakub@redhat.com>
3051
3052         PR target/36079
3053         * configure.ac: Handle --enable-cld.
3054         * configure: Regenerated.
3055         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
3056         * config/i386/i386.h (struct machine_function): Add needs_cld field.
3057         (ix86_current_function_needs_cld): New define.
3058         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
3059         (cld): New isns pattern.
3060         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
3061         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
3062         * config/i386/i386.opt (mcld): New option.
3063         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
3064         TARGET_CLD and ix86_current_function_needs_cld.
3065         (override_options): Use -mcld by default for 32-bit code if
3066         USE_IX86_CLD.
3067
3068         * doc/install.texi (Options specification): Document --enable-cld.
3069         * doc/invoke.texi (Machine Dependent Options)
3070         [i386 and x86-64 Options]: Add -mcld option.
3071         (Intel 386 and AMD x86-64 Options): Document -mcld option.
3072
3073 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
3074         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
3075         (return_in_memory_64): Likewise.
3076         (return_in_memory_ms_64): Likewise.
3077
3078 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3079
3080         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
3081         * builtins.c (fold_builtin_fpclassify): New.
3082         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
3083         * builtins.def (BUILT_IN_FPCLASSIFY): New.
3084         * c-common.c (handle_type_generic_attribute): Adjust to accept
3085         fixed arguments before an elipsis.
3086         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
3087         * doc/extend.texi: Document __builtin_fpclassify.
3088
3089 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
3090
3091         * omp-low.c (gate_expand_omp_ssa): Remove.
3092         (pass_expand_omp_ssa): Remove.
3093         (gate_expand_omp): Do not check for flag_openmp_ssa.
3094         * common.opt (-fopenmp-ssa): Remove.
3095         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
3096
3097 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3098
3099         * config/sh/sh.opt (mfixed-range): New option.
3100         * config/sh/sh-protos.h (sh_fix_range): Declare.
3101         * config/sh/sh.c (sh_fix_range): New function.
3102         * config/sh/sh.h (sh_fixed_range_str): Declare.
3103         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
3104         is not empty.
3105         * doc/invoke.texi (SH Options): Document -mfixed-range.
3106
3107 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
3108
3109         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
3110         it before the redeclaration.
3111
3112 2008-05-22  Anatoly Sokolov <aesok@post.ru>
3113
3114         * config/avr/avr.c (get_sequence_length): Add new function.
3115         (expand_prologue, expand_epilogue): Remove duplicate code.
3116
3117 2008-05-22  Rafael Espindola  <espindola@google.com>
3118
3119         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
3120         sharing.
3121
3122 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
3123
3124         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
3125         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
3126
3127         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
3128         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
3129         (vect_update_misalignment_for_peel): Likewise.
3130         (vector_alignment_reachable_p): Likewise.
3131         * tree-vect-transform.c (vectorizable_load): Likewise.
3132         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
3133         (get_vectype_for_scalar_type): Pass mode of scalar_type
3134         to UNITS_PER_SIMD_WORD.
3135
3136         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
3137         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
3138         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
3139         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
3140         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
3141
3142 2008-05-22  Ira Rosen  <irar@il.ibm.com>
3143
3144         PR tree-optimization/36293
3145         * tree-vect-transform.c (vect_transform_strided_load): Don't check
3146         if the first load must be skipped because of a gap.
3147
3148 2008-05-22  Richard Guenther  <rguenther@suse.de>
3149
3150         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
3151         more cases of offset disambiguation that is possible if
3152         strict-aliasing rules apply.
3153         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
3154         for basic offset and type-based disambiguation.
3155
3156 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3157
3158         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
3159         ix86_expand_vector_set on V16QImode for SSE4.1.
3160
3161 2008-05-21  Tom Tromey  <tromey@redhat.com>
3162
3163         * c.opt (Wimport): Mark as undocumented.
3164         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
3165         -Wno-import.
3166         (Warning Options): Likewise.
3167         * doc/cppopts.texi: Don't mention -Wimport.
3168
3169 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
3170
3171         PR tree-optimization/36287
3172         PR tree-optimization/36286
3173         * lambda-code.c (build_access_matrix): Do not use the loop->num
3174         for computing the number of induction variables: use the loop depth
3175         instead.
3176
3177 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
3178
3179         PR/36280
3180         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
3181         option -f(no-)leading-underscore.
3182
3183 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3184
3185         * config/i386/i386.c (ix86_expand_vector_init_general): Use
3186         GET_MODE_NUNITS (mode).
3187
3188 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
3189
3190         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
3191         (-mmulhw): Add 464 to description.
3192         (-mdlmzb): Likewise.
3193         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
3194         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
3195         464fp entries.
3196         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
3197         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
3198         * config/rs6000/rs6000.md: Update comments for 464.
3199
3200 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
3201
3202         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
3203
3204 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3205
3206         * config/i386/sse.md (vec_extractv4sf): Removed.
3207         (vec_extractv2df): Likewise.
3208         (vec_extractv2di): Likewise.
3209         (vec_extractv4si): Likewise.
3210         (vec_extractv8hi): Likewise.
3211         (vec_extractv16qi): Likewise.
3212         (vec_extract<mode>): New.
3213
3214 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3215
3216         * config/i386/sse.md (vec_setv4sf): Removed.
3217         (vec_setv2df): Likewise.
3218         (vec_setv2di): Likewise.
3219         (vec_setv4si): Likewise.
3220         (vec_setv8hi): Likewise.
3221         (vec_setv16qi): Likewise.
3222         (vec_set<mode>): New.
3223
3224 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3225
3226         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
3227         goto for vec_concat and vec_interleave.
3228
3229 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3230
3231         * config/i386/sse.md (vec_initv4sf): Removed.
3232         (vec_initv2df): Likewise.
3233         (vec_initv2di): Likewise.
3234         (vec_initv4si): Likewise.
3235         (vec_initv8hi): Likewise.
3236         (vec_initv16qi): Likewise.
3237         (vec_init<mode>): New.
3238
3239 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
3240
3241         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
3242
3243 2008-05-21  Tom Tromey  <tromey@redhat.com>
3244
3245         * ggc-zone.c (lookup_page_table_if_allocated): New function.
3246         (zone_find_object_offset): Likewise.
3247         (gt_ggc_m_S): Likewise.
3248         (highest_bit): Likewise.
3249         * ggc-page.c (gt_ggc_m_S): New function.
3250         * stringpool.c (string_stack): Remove.
3251         (init_stringpool): Update.
3252         (ggc_alloc_string): Use ggc_alloc.
3253         (maybe_delete_ident): New function.
3254         (ggc_purge_stringpool): Likewise.
3255         (gt_ggc_m_S): Remove.
3256         * ggc-common.c (ggc_protect_identifiers): New global.
3257         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
3258         ggc_protect_identifiers.
3259         * ggc.h (ggc_protect_identifiers): Declare.
3260         (gt_ggc_m_S): Update.
3261         (ggc_purge_stringpool): Declare.
3262         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
3263         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
3264         special case.
3265         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
3266
3267 2008-05-21  David S. Miller  <davem@davemloft.net>
3268
3269         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
3270         tmake_file.
3271
3272 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
3273
3274         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
3275         once finished.
3276
3277 2008-05-20  David Daney  <ddaney@avtrex.com>
3278
3279         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
3280         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
3281         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
3282         UNSPEC_UPDATE_GOT_VERSION): Renumber.
3283         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
3284         (atomic_hiqi_op): New define_code_iterator.
3285         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
3286         mips_expand_compare_and_swap_12.
3287         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
3288         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
3289         (sync_<optab><mode>, sync_old_<optab><mode>,
3290         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
3291         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
3292         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
3293         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
3294         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
3295         (test_and_set_12): New insn.
3296         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
3297         sync_new_<optab><mode>, sync_old_nand<mode>,
3298         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
3299         clobber to operand 0 for SI and DI mode insns.
3300         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
3301         mips_gen_fn_4): New typedefs.
3302         (mips_gen_fn_ptrs): Define new union type.
3303         (mips_expand_compare_and_swap_12): Remove declaration.
3304         (mips_expand_atomic_qihi): Declare function.
3305         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
3306         (mips_expand_atomic_qihi): ... this.  Use new generator function
3307         parameter.
3308         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
3309         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
3310         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
3311         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
3312         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
3313         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
3314         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
3315         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
3316         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
3317         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
3318         New macros.
3319
3320 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
3321
3322         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
3323         the missing break.
3324
3325 2008-05-20  Anatoly Sokolov <aesok@post.ru>
3326
3327         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
3328         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
3329         (avr_attribute_table): Add 'OS_main' function attribute.
3330         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
3331         functions with 'OS_main' attribute.
3332
3333 2008-05-20  Richard Guenther  <rguenther@suse.de>
3334
3335         PR tree-optimization/35204
3336         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
3337         helper, split out from ...
3338         (DFS): ... here.  Make the DFS walk non-recursive.
3339
3340 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
3341             Jan Sjodin  <jan.sjodin@amd.com>
3342
3343         PR tree-optimization/36181
3344         * tree-parloops.c (loop_has_vector_phi_nodes): New.
3345         (parallelize_loops): Don't parallelize when the loop has vector
3346         phi nodes.
3347
3348 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
3349             Sebastian Pop  <sebastian.pop@amd.com>
3350
3351         * tree-loop-linear.c (gather_interchange_stats): Look in the access
3352         matrix, and never look at the tree representation of the memory
3353         accesses.
3354         (linear_transform_loops): Computes parameters and access matrices.
3355         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
3356         when fails.
3357         (access_matrix_get_index_for_parameter): New.
3358         * tree-data-ref.h (struct access_matrix): New.
3359         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
3360         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
3361         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
3362         am_vector_index_for_loop): New.
3363         (struct data_reference): Add field access_matrix.
3364         (DR_ACCESS_MATRIX): New.
3365         (compute_data_dependences_for_loop): Update declaration.
3366         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
3367         * lambda.h (lambda_vector_vec_p): Declared.
3368         * lambda-code.c: Depend on pointer-set.h.
3369         (lambda_collect_parameters_from_af, lambda_collect_parameters,
3370         av_for_af_base, av_for_af, build_access_matrix,
3371         lambda_compute_access_matrices): New.
3372         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
3373
3374 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
3375
3376         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
3377         $SOURCEDIR/include.
3378
3379 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
3380             Sebastian Pop  <sebastian.pop@amd.com>
3381
3382         PR tree-optimization/36206
3383         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
3384         FOLD_CONVERSIONS.
3385         (instantiate_scev_1): Rename flags to fold_conversions.
3386         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
3387         outeside instantiation_loop.
3388         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
3389         (evolution_function_is_affine_or_constant_p): Removed.
3390         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
3391         instantiate_scev.
3392         (analyze_siv_subscript): Pass in the loop nest number.
3393         Call evolution_function_is_affine_in_loop instead of 
3394         evolution_function_is_affine_p.
3395         (analyze_overlapping_iterations): Pass in the loop nest number.
3396
3397 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
3398             Sebastian Pop  <sebastian.pop@amd.com>
3399
3400         PR tree-optimization/36206
3401         * tree-chrec.h (chrec_fold_op): New.
3402         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
3403         and other trees.
3404
3405 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
3406
3407         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
3408         (DIRS_EQ): New.
3409         (remove_duplicates): Do not set inode on non-inode systems.
3410         Use DIRS_EQ.
3411
3412 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
3413
3414         * config.gcc (tm_file): Update comments about relative pathnames.
3415
3416 2008-05-20  Richard Guenther  <rguenther@suse.de>
3417
3418         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
3419         * tree-ssa-sccvn.c (process_scc): Likewise.
3420         * tree-ssa-sink.c (execute_sink_code): Likewise.
3421         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
3422         * tree-vrp.c (process_assert_insertions): Likewise.
3423         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
3424         (perform_tree_ssa_dce): Likewise.
3425         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
3426         (dump_dominator_optimization_stats): Likewise.
3427         * tree-vectorizer.c (vectorize_loops): Likewise.
3428
3429 2008-05-20  Richard Guenther  <rguenther@suse.de>
3430
3431         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
3432
3433 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
3434
3435         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
3436         (ix86_i386elf_return_in_memory): Likewise.
3437         (ix86_i386interix_return_in_memory): Likewise.
3438         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
3439         (SUBTARGET_RETURN_IN_MEMORY): New.
3440         * config/i386/i386elf.h: Likewise.
3441         * config/i386/ptx4-i.h: Likewise.
3442         * config/i386/sol2-10.h: Likewise.
3443         * config/i386/sysv4.h: Likewise.
3444         * config/i386/vx-common.h: Likewise.
3445         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
3446         * config/i386/i386.c (ix86_return_in_memory): Made static and
3447         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
3448         (ix86_i386elf_return_in_memory): Removed.
3449         (ix86_i386interix_return_in_memory): Removed.
3450         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
3451         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
3452
3453 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
3454
3455         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
3456
3457 2008-05-19  Xinliang David Li  <davidxl@google.com>
3458
3459         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
3460         * opts.c: Ditto.
3461         * common.opt: Ditto.
3462         * doc/invoke.texi: Ditto.
3463
3464 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
3465
3466         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
3467         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
3468
3469 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
3470
3471         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
3472         sizes of operand array from 8/4 to 4/2.
3473         (ix86_expand_vector_init_general): Change size of operand array
3474         from 32 to 16.  Remove op0, op1 and half_mode.
3475
3476 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
3477
3478         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
3479         (ix86_expand_vector_init_interleave): Likewise.
3480         (ix86_expand_vector_init_general): Use them.  Assert
3481         word_mode == SImode when n_words == 4.
3482
3483 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
3484
3485         * config/i386/i386.c (ix86_secondary_reload): New static function.
3486         (TARGET_SECONDARY_RELOAD): New define.
3487         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
3488         * config/i386/i386.md (reload_outqi): Remove.
3489
3490 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3491
3492         PR middle-end/35509
3493         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
3494         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
3495         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
3496         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
3497         (fold_builtin_1): Likewise.
3498         * builtins.def (BUILT_IN_ISINF_SIGN): New.
3499         c-common.c (check_builtin_function_arguments): Handle
3500         BUILT_IN_ISINF_SIGN.
3501         * doc/extend.texi: Document __builtin_isinf_sign.
3502         * fold-const.c (operand_equal_p): Handle COND_EXPR.
3503
3504 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
3505
3506         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
3507         EH cleanup at the end of the pass, search for those that have been
3508         turned into forwarder blocks and do the cleanup on their successor.
3509
3510 2008-05-18  Richard Guenther  <rguenther@suse.de>
3511
3512         * tree-cfg.c (verify_gimple_expr): Allow conversions from
3513         pointers to sizetype and vice versa.
3514
3515 2008-05-18 Xinliang David Li   <davidxl@google.com>
3516
3517         * gcc/tree-ssa-dce.c: Coding style fix.
3518         (check_pow): Documentation comment. 
3519         (check_log): Documenation comment. Coding style fix.
3520         (is_unnecessary_except_errno_call): Ditto.
3521         (gen_conditions_for_pow): Ditto.
3522         (gen_conditions_for_log): Ditto.
3523         (gen_shrink_wrap_conditions): Ditto.
3524         (shrink_wrap_one_built_in_calls): Ditto.
3525         * gcc/doc/invoke.texi: Better documentation string.
3526         * ChangeLog: Fix wrong change log entries from 
3527         May 17 checkin on function call DCE.
3528
3529 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3530
3531         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
3532
3533 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
3534
3535         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
3536         * df-problems.c (simulation routines): Fixed block comment to
3537         properly say how to add forwards scanning functions.
3538         
3539 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
3540
3541         * tree-inline.c (setup_one_parameter): Remove dead code.
3542
3543 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
3544
3545         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
3546         a BIT_AND_EXPR only for an INTEGER_TYPE.
3547
3548 2008-05-17 Xinliang David Li   <davidxl@google.com>
3549
3550         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
3551         (check_pow, check_log, is_unnecessary_except_errno_call): New 
3552         functions to check for eliminating math functions that are pure 
3553         except for setting errno.
3554         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
3555         general condition expressions for shrink-wrapping pow/log calls.
3556         (gen_shrink_wrap_conditions): Ditto.
3557         (shrink_wrap_one_built_in_call): Ditto.
3558         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
3559         (mark_operand_necessary): If debugging, output if OP is necessary.
3560         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
3561         unnecessary.
3562         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
3563         opt level >= 2.
3564         * gcc/common.opt: New user flag -ftree-builtin-dce.
3565         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
3566
3567 2008-05-16  David S. Miller  <davem@davemloft.net>
3568
3569         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
3570         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
3571
3572 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
3573
3574         PR target/36246
3575         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
3576
3577 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3578
3579         * ifcvt.c (dead_or_predicable): Rename
3580         df_simulate_one_insn_backwards to df_simulate_one_insn.
3581         * recog.c (peephole2_optimize): Ditto.
3582         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
3583         Ditto.
3584         * df.h: Rename df_simulate_one_insn_backwards to
3585         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
3586         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
3587         scanning of defs and uses.
3588         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
3589         (df_simulate_one_insn_forwards): Removed.
3590
3591 2008-05-16  Doug Kwan  <dougkwan@google.com>
3592
3593         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
3594         QNaN & SNaN.
3595         (real_from_string): Handle NaNs and Inf as approriate.
3596
3597 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
3598
3599         * doc/gty.texi (Source Files Containing Type Information): Note
3600         that headers should appear first in the gtfiles list.
3601
3602 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3603
3604         * tree.def (COND_EXEC): Properly documented this code.
3605
3606 2008-05-16  Diego Novillo  <dnovillo@google.com>
3607
3608         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
3609         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
3610         the new field.
3611
3612 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3613
3614         * tree-ssa-dse (max_stmt_uid): Removed.
3615         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
3616         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
3617         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
3618         * function.h (cfun.last_stmt_uid): New field.
3619         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
3620         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
3621         New functions.
3622         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
3623         (create_stmt_ann): Initialize the ann->uid field.
3624         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
3625         with new calls.
3626         * tree-flow.h (renumber_gimple_stmt_uids): New function.
3627
3628 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
3629
3630         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
3631         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
3632         (init_empty_tree_cfg): Call it.
3633
3634 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3635
3636         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
3637         Update all users.
3638
3639 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3640
3641         * doc/invoke.text (-fdump-tree-*-verbose): New option.
3642         * tree-dump.c (dump_options): New verbose option.
3643         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
3644         Add verbose dump.
3645         * tree-pass.h (TDF_VERBOSE): New dump flag.
3646         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
3647         (tree-flow.h): Added include.
3648         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
3649
3650 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3651
3652         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
3653
3654         From Jie Zhang  <jie.zhang@analog.com>
3655         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3656         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
3657         mcpu=bf561-none and mcpu=bf561-0.2.
3658         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3659         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
3660         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3661         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
3662         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
3663         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
3664         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
3665         option.
3666         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
3667         (cputype_selected): Remove.
3668         (bfin_handle_option): Don't use cputype_selected.
3669         (override_options): When no mcpu option, enable all workarounds.
3670         Don't use bfin_workarounds.
3671         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
3672         processor type.
3673         (DEFAULT_CPU_TYPE): Don't define.
3674
3675 2008-05-16  Richard Guenther  <rguenther@suse.de>
3676
3677         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
3678         on deletion of the last stmt.
3679
3680 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3681
3682         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
3683         V8HImode for SSE2 and V16QImode for SSE4.1.
3684
3685 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
3686
3687         * cgraph.h (compute_inline_parameters): Made public.
3688         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
3689         variable_generate_summary, function_write_summary,
3690         variable_write_summary, variable_read_summary.  Added generate_summary,
3691         write_summary, read_summary.
3692         * cgraphunit.c (cgraph_process_new_functions): Changed call from
3693         pass_ipa_inline.function_generate_summary, to
3694         compute_inline_parameters. 
3695         * ipa-inline.c (compute_inline_parameters): Made public and added
3696         node parameter.
3697         (compute_inline_parameters_for_current): New function.
3698         (pass_inline_param): Now calls compute_inline_parameters_for_current.
3699         (inline_generate_summary): Removed parameter and made to loop over
3700         all cgraph nodes.
3701         (pass_ipa_inline): Updated for new IPA_PASS structure.
3702         * passes.c (execute_ipa_summary_passes): Now is called once per
3703         pass rather than once per node*pass.
3704         
3705 2008-05-15  Anatoly Sokolov <aesok@post.ru>
3706
3707         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
3708         avr_have_mul_p, avr_asm_only_p): Remove variables.
3709         (avr_override_options): Remove initialization of removed variables.
3710         (avr_file_start):  Convert removed variables to fields of 
3711         'struct base_arch_s *avr_current_arch'. 
3712         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
3713         (AVR_HAVE_MUL): (Ditto.).
3714         (AVR_HAVE_MOVW): (Ditto.).
3715         (AVR_HAVE_LPMX): (Ditto.). 
3716         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
3717         avr_asm_only_p): Remove declaration.
3718
3719 2008-05-15  Diego Novillo  <dnovillo@google.com>
3720
3721         * config/arm/arm.c (arm_return_in_memory): Fix return type.
3722         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
3723
3724 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
3725
3726         PR middle-end/36194
3727         * combine.c (check_conversion): Rename back to check_promoted_subreg.
3728         Don't call record_truncated_value from here.
3729         (record_truncated_value): Turn it into a for_each_rtx callback.
3730         (record_truncated_values): New function.
3731         (combine_instructions): Call note_uses with record_truncated_values.
3732         Change name of check_conversion to check_promoted_subreg. 
3733
3734 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
3735
3736         * doc/sourcebuild.texi: Document support for torture tests.
3737
3738 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
3739
3740         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
3741         to alternative 4 of operand 2.
3742
3743 2008-05-15  Richard Guenther  <rguenther@suse.de>
3744
3745         * tree-pass.h (current_pass): Declare.
3746         (get_pass_for_id): Likewise.
3747         * passes.c (passes_by_id, passes_by_id_size): New globals.
3748         (set_pass_for_id): New function.
3749         (get_pass_for_id): Likewise.
3750         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
3751         (execute_function_todo): Flush per function statistics.
3752         * toplev.c (compile_file): Init statistics.
3753         (general_init): Do early statistics initialization.
3754         (finalize): Finish statistics.
3755         * statistics.h (statistics_early_init): Declare.
3756         (statistics_init): Likewise.
3757         (statistics_fini): Likewise.
3758         (statistics_fini_pass): Likewise.
3759         (statistics_counter_event): Likewise.
3760         (statistics_histogram_event): Likewise.
3761         * statistics.c: New file.
3762         * Makefile.in (OBJS-common): Add statistics.o.
3763         (statistics.o): Add dependencies.
3764         * doc/invoke.texi (-fdump-statistics): Document.
3765
3766         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
3767         (insert): Likewise.
3768         (execute_pre): Use statistics_counter_event.
3769         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
3770         (substitute_and_fold): Increment it.  Use statistics_counter_event.
3771
3772 2008-05-15  Diego Novillo  <dnovillo@google.com>
3773
3774         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
3775
3776         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
3777         * tree-ssa-alias.c (new_type_alias): Remove references to
3778         sub-variables from comment.
3779         * tree-ssa-operands.c (swap_tree_operands): Likewise.
3780
3781 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3782
3783         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
3784         attribute to 1 only for insertps alternative.
3785
3786 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
3787
3788         * config/bfin/bfin.md (loadbytes): New pattern.
3789         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
3790         (bfin_init_builtins): Initialize it.
3791         (bdesc_1arg): Add it.
3792
3793 2008-05-15  Sa Liu  <saliu@de.ibm.com>
3794
3795         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
3796         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
3797         * testsuite/lib/target-supports.exp: Add
3798         check_effective_target_fortran_integer_16.
3799
3800 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
3801
3802         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
3803         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
3804         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
3805         (TARGET_RETURN_IN_MEMORY): Define.
3806
3807 2008-05-15  Richard Guenther  <rguenther@suse.de>
3808
3809         PR middle-end/36244
3810         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
3811         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
3812         represent unmodifiable vars.
3813
3814 2008-05-15  Richard Guenther  <rguenther@suse.de>
3815
3816         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
3817         INDIRECT_REF and TARGET_MEM_REF.
3818         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3819         TARGET_MEM_REF.
3820
3821 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
3822             H.J. Lu  <hongjiu.lu@intel.com>
3823
3824         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
3825         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
3826         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
3827         insn alternatives.  Add missing alternatives.
3828         (*vec_concatv2di_rex64_sse4_1): Likewise.
3829         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
3830         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
3831         Require TARGET_SSE.
3832
3833 2008-05-15  Richard Guenther  <rguenther@suse.de>
3834
3835         PR tree-optimization/36009
3836         PR tree-optimization/36204
3837         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
3838         (determine_invariantness_stmt): Record the loop a store is
3839         always executed in.
3840         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
3841         dependency.
3842
3843 2008-05-15  Richard Guenther  <rguenther@suse.de>
3844
3845         PR tree-optimization/34330
3846         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
3847         through the pointer will alias the SMT.
3848
3849 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
3850
3851         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
3852
3853 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
3854
3855         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
3856
3857 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3858             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3859
3860         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
3861         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
3862         (vashl_optab): New optab for vector/vector shifts.
3863         (vashr_optab): Ditto.
3864         (vlshr_optab): Ditto.
3865         (vrotl_optab): Ditto.
3866         (vrotr_optab): Ditto.
3867         (optab_subtype): New enum for optab_for_tree_code call.
3868         (optab_for_tree_code): Add enum optab_subtype argument.
3869
3870         * optabs.c (optab_for_tree_code): Take an additional argument to
3871         distinguish between a vector shift by a scalar and vector shift by
3872         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
3873         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
3874         vector shift by a vector.
3875         (expand_widen_pattern_expr): Pass additional argument to
3876         optab_for_tree_code.
3877
3878         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
3879         vrotl_optab, vrotr_optab.
3880
3881         * expr.c (expand_expr_real_1): Update calls to
3882         optab_for_tree_code to distinguish between vector shifted by a
3883         scalar and vector shifted by a vector.
3884         * tree-vectorizer.c (supportable_widening_operation): Ditto.
3885         (supportable_narrowing_operation): Ditto.
3886         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
3887         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
3888         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
3889         (vect_create_epilog_for_reduction): Ditto.
3890         (vectorizable_reduction): Ditto.
3891         (vectorizable_operation): Ditto.
3892         (vect_strided_store_supported): Ditto.
3893         (vect_strided_load_supported): Ditto.
3894         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
3895         * expmed.c (expand_shift): Ditto.
3896
3897         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
3898         scalar type.
3899         (ashr@var{m}3): Ditto.
3900         (vashl@var{m}3): Document new vector/vector shift standard name.
3901         (vashr@var{m}3): Ditto.
3902         (vlshr@var{m}3): Ditto.
3903         (vrotl@var{m}3): Ditto.
3904         (vrotr@var{m}3): Ditto.
3905
3906         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
3907         (PPERM_INVERT): Ditto.
3908         (PPERM_REVERSE): Ditto.
3909         (PPERM_REV_INV): Ditto.
3910         (PPERM_ZERO): Ditto.
3911         (PPERM_ONES): Ditto.
3912         (PPERM_SIGN): Ditto.
3913         (PPERM_INV_SIGN): Ditto.
3914         (PPERM_SRC1): Ditto.
3915         (PPERM_SRC2): Ditto.
3916
3917         * config/i386/sse.md (mulv2di3): Add SSE5 support.
3918         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
3919         allows a memory operand to be the value being added, and split it
3920         to improve vectorization.
3921         (sse5_pmacsdqh_mem): Ditto.
3922         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
3923         (sse5_mulv2div2di3_high): Ditto.
3924         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
3925         (vec_pack_trunc_v4si): Ditto.
3926         (vec_pack_trunc_v2di): Ditto.
3927         (sse5_pcmov_<mode>): Remove code that tried to use use
3928         andps/andnps instead of pcmov.
3929         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
3930         pmacsdqh instructions.
3931         (vec_widen_smult_lo_v4si): Ditto.
3932
3933         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
3934         (PPERM_INVERT): Ditto.
3935         (PPERM_REVERSE): Ditto.
3936         (PPERM_REV_INV): Ditto.
3937         (PPERM_ZERO): Ditto.
3938         (PPERM_ONES): Ditto.
3939         (PPERM_SIGN): Ditto.
3940         (PPERM_INV_SIGN): Ditto.
3941         (PPERM_SRC1): Ditto.
3942         (PPERM_SRC2): Ditto.
3943         (ix86_expand_sse_movcc): Move the SSE5 test after the if
3944         true/false tests.
3945         (ix86_expand_int_vcond): If SSE5 generate all possible integer
3946         comparisons.
3947         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
3948         says ignore whether the last reference is a memory operand.
3949
3950 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3951             Paolo Bonzini <bonzini at gnu dot org>
3952
3953         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
3954         shift patterns.
3955
3956         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
3957         (vlshr<mode>3): Rename from vlshr<mode>3.
3958         (vashr<mode>3): Rename from vashr<mode>3.
3959         (mulv4sf3): Change the names of vector shift patterns.
3960         (mulv4si3): Ditto.
3961         (negv4sf2): Ditt.
3962
3963         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
3964         shift insns.
3965
3966         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
3967         (SI_SHLHI): Ditto.
3968         (SI_SHL): Ditto.
3969         (SI_SHLI): Ditto.
3970         (SI_ROTH): Ditto.
3971         (SI_ROTHI): Ditto.
3972         (SI_ROT): Ditto.
3973         (SI_ROTI): Ditto.
3974         (SPU_RL_0): Ditto.
3975         (SPU_RL_1): Ditto.
3976         (SPU_RL_2): Ditto.
3977         (SPU_RL_3): Ditto.
3978         (SPU_RL_4): Ditto.
3979         (SPU_RL_5): Ditto.
3980         (SPU_RL_6): Ditto.
3981         (SPU_RL_7): Ditto.
3982         (SPU_SL_0): Ditto.
3983         (SPU_SL_1): Ditto.
3984         (SPU_SL_2): Ditto.
3985         (SPU_SL_3): Ditto.
3986         (SPU_SL_4): Ditto.
3987         (SPU_SL_5): Ditto.
3988         (SPU_SL_6): Ditto.
3989         (SPU_SL_7): Ditto.
3990
3991         * config/spu/spu.md (v): New iterator macro to add v for vector types.
3992         (floatunssidf2_internal): Change vector/vector shift names.
3993         (floatunsdidf2_internal): Ditto.
3994         (mulv8hi3): Ditto.
3995         (ashrdi3): Ditto.
3996         (ashrti3): Ditto.
3997         (cgt_df): Ditto.
3998         (cgt_v2df): Ditto.
3999         (dftsv): Ditto.
4000         (vashl<mode>3): Rename from ashl<mode>3.
4001         (vashr<mode>3): Rename from ashr<mode>3.
4002         (vlshr<mode>3): Rename from lshr<mode>3.
4003         (vrotl<mode>3): Rename from rotl<mode>3.
4004
4005 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
4006
4007         PR target/36224
4008         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
4009         multiply gives the wrong value when doing widening multiplies.
4010         (vec_widen_smult_lo_v4si): Ditto.
4011
4012 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
4013
4014         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
4015         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
4016         emit_library_call_value. 
4017         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
4018         * tree.h (ECF_LIBCALL_BLOCK): Removed.
4019         * calls.c (initialize_argument_information, precompute_arguments, 
4020         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
4021         (precompute_arguments): Removed flags parameter.
4022         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
4023         
4024 2008-05-14  Richard Guenther  <rguenther@suse.de>
4025
4026         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
4027         Make sure to register the store if the use is a PHI_NODE.
4028
4029 2008-05-14  Olivier Hainque  <hainque@adacore.com>
4030
4031         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
4032         memory if the component is to be referenced in BLKmode according
4033         to get_inner_reference.
4034
4035 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
4036
4037         * calls.c (emit_library_call_value_1): Restore code clearing
4038         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
4039
4040 2008-05-14  Olivier Hainque  <hainque@adacore.com>
4041             Nicolas Roche  <roche@adacore.com>
4042
4043         * configure.ac: Add support for a "gcc_subdir" variable in
4044         config-lang.in, to denote a subdirectory where the language/GCC
4045         integration files are to be found.
4046         * configure: Regenerate.
4047
4048 2008-05-14  Ira Rosen  <irar@il.ibm.com>
4049
4050         PR tree-optimization/36098
4051         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
4052         value for the first load in the group in case of a gap.
4053         (vect_build_slp_tree): Check that there are no gaps in loads.
4054
4055 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
4056
4057         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
4058         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
4059         expand_copysign_bit, ): Change call to emit_no_conflict_block to
4060         emit_insn and remove unneeded code to construct extra args.
4061         (emit_no_conflict_block): Removed.
4062         * optabls.h: (emit_no_conflict_block): Removed.
4063         * cse.c (cse_extended_basic_block): Remove search for
4064         REG_NO_CONFLICT note.
4065         * global.c: Removed incorrect comment added in revision 117.
4066         * expr.c (convert_move): Change call to emit_no_conflict_block to
4067         emit_insn.
4068         * recog.c: Change comments so that they do not mention
4069         REG_NO_CONFLICT.
4070         * local_alloc.c (combine_regs): Removed last parameter.
4071         (no_conflict_p): Removed.
4072         (block_alloc): Removed note, no_conflict_combined_regno and set
4073         local vars. Removed all code to process REG_NO_CONFLICT blocks.
4074         (combine_regs): Removed already_dead and code to look for
4075         REG_NO_CONFLICT notes.
4076         * lower_subreg (remove_retval_note): Removed code to look for
4077         REG_NO_CONFLICT block.
4078         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
4079         (resolve_clobber): Remove code to process libcalls that have
4080         REG_NO_CONFLICT notes.
4081         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
4082         case.
4083         * combine.c (can_combine_p, distribute_notes):  Removed
4084         REG_NO_CONFLICT case.
4085         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
4086         to emit_insns.
4087         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
4088         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
4089         Ditto.
4090         * reg-notes.def (NO_CONFLICT): Removed.
4091
4092 2008-05-14  David S. Miller  <davem@davemloft.net>
4093
4094         * config/sparc/sparc.c (sparc_profile_hook): If
4095         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
4096         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
4097         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
4098
4099 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4100
4101         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
4102
4103 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
4104
4105         PR target/36222
4106         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
4107         and op1 expansion before vector concat to have less live pseudos.
4108
4109 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
4110
4111         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4112         ix86_expand_vector_set if supported.
4113
4114 2008-05-13  Diego Novillo  <dnovillo@google.com>
4115             Kenneth Zadeck  <zadeck@naturalbridge.com>
4116
4117         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
4118
4119         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
4120         phinodes_print_statistics, init_ssanames, fini_ssanames,
4121         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
4122         release_ssa_name, release_defs, replace_ssa_name_symbol,
4123         ssanames_print_statistics): Move ...
4124         * tree-flow.h: ... here.
4125         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
4126         Use FN instead of cfun.
4127         (make_ssa_name_fn): Rename from make_ssa_name.
4128         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
4129         * tree-flow-inline.h (make_ssa_name): Move from
4130         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
4131         * omp-low.c (expand_omp_parallel):
4132         * tree-flow-inline.h (redirect_edge_var_map_result):
4133         * tree-ssa.c (init_tree_ssa): Add argument FN.
4134         Use it instead of cfun.  Update all users.
4135
4136 2008-05-13  Tom Tromey  <tromey@redhat.com>
4137
4138         PR preprocessor/22168:
4139         * doc/cpp.texi (Top): Update menu.
4140         (Alternatives to Wrapper #ifndef): New node.
4141         (Other Directives): Document deprecation.
4142         (Obsolete Features): Remove menu.
4143         (Assertions): Merge node into Obsolete Features.
4144         (Obsolete once-only headers): Move earlier; rename to Alternatives
4145         to Wrapper #ifndef.
4146         * doc/cppopts.texi: Update.
4147         * c.opt (Wdeprecated): Enable for C and ObjC.
4148         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
4149         (C++ Dialect Options): Move -Wno-deprecated from here to...
4150         (Warning Options): ... here.
4151
4152 2008-05-13  Richard Guenther  <rguenther@suse.de>
4153
4154         PR middle-end/36227
4155         * fold-const.c (fold_sign_changed_comparison): Do not allow
4156         changes in pointer-ness.
4157
4158 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4159
4160         PR target/24713
4161         * config/sh/sh.c (sh_expand_prologue): Don't clear
4162         RTX_FRAME_RELATED_P for push insns.
4163
4164 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
4165
4166         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
4167
4168 2008-05-12  Anatoly Sokolov <aesok@post.ru>
4169
4170         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
4171         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
4172         Use 'machine->is_leaf' instead of 'leaf_func_p'.
4173
4174 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
4175
4176         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
4177         (*vec_concatv4sf_sse): This.
4178         (*sse2_concatv2si): Renamed to ...
4179         (*vec_concatv2si_sse2): This.
4180         (*sse1_concatv2si): Renamed to ...
4181         (*vec_concatv2si_sse): This.
4182         (*vec_concatv2di_rex): Renamed to ...
4183         (*vec_concatv2di_rex64): This.
4184         (*vec_concatv2si_sse4_1): New.
4185         (*vec_concatv2di_rex64_sse4_1): Likewise.
4186
4187 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
4188
4189         PR rtl-optimization/36111
4190         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
4191         that was created for swappable operands.
4192
4193 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
4194
4195         PR ada/36001
4196         * Makefile.in: Substitute GNATMAKE and GNATBIND.
4197         * configure.ac: Add call to ACX_PROG_GNAT.
4198
4199 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
4200
4201         * optc-gen.awk: Fix comment typo.
4202
4203 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
4204
4205         * pretty-print.c (pp_integer_with_precision): Use
4206         HOST_LONG_LONG_FORMAT.
4207
4208 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
4209
4210         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
4211                 
4212 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
4213
4214         * config/i386/i386.c (bdesc_ptest): Removed.
4215         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
4216         (bdesc_args): Add __builtin_ia32_ptestz128,
4217         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
4218         (ix86_init_mmx_sse_builtins): Updated.
4219         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
4220         (ix86_expand_builtin): Updated.
4221
4222 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
4223
4224         * tree-cfg.c (valid_fixed_convert_types_p): New function.
4225         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
4226
4227 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
4228
4229         * value-prof.c (interesting_stringop_to_profile): Do not
4230         return early for BUILT_IN_MEMPCPY.
4231
4232 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
4233
4234         * calls.c (expand_call): Don't use callgraph to increase
4235         preferred_stack_boundary.
4236
4237         * cgraph.h (cgraph_rtl_info): Use unsigned on
4238         preferred_incoming_stack_boundary.
4239
4240         * final.c (rest_of_clean_state): Use unsigned on
4241         preferred_stack_boundary.
4242
4243 2008-05-09  Tom Tromey  <tromey@redhat.com>
4244
4245         PR preprocessor/22231:
4246         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
4247         proceeding.
4248
4249 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
4250
4251         PR tree-optimization/36129
4252         * tree-ssa-ccp.c: Include value-prof.h.
4253         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
4254         built-in function was folded to a constant.
4255         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
4256
4257 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
4258             Sebastian Pop  <sebastian.pop@amd.com>
4259
4260         * tree-scalar-evolution.c: Document instantiate_scev.
4261         (instantiate_parameters_1): Renamed instantiate_scev_1.
4262         Don't use the same loop for instantiation_loop and evolution_loop.
4263         (instantiate_scev): New.
4264         (instantiate_parameters): Moved...
4265         (resolve_mixers): Update call to instantiate_scev_1 to pass the
4266         same loop twice.  Maintains the semantics for this function.
4267         * tree-scalar-evolution.h (instantiate_scev): Declare.
4268         (instantiate_parameters): ...here.  Now static inline.
4269         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
4270         instead of resolve_mixers.
4271
4272 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
4273
4274         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
4275
4276 2008-05-09  Tomas Bily  <tbily@suse.cz>
4277
4278         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
4279         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
4280         * tree-ssa-structalias.c (get_constraint_for): Likewise.
4281         * c-common.c (c_common_truthvalue_conversion): Likewise.
4282         * tree-object-size.c (compute_object_offset): Likewise.
4283         * tree-inline.c (estimate_num_insns_1): Likewise.
4284         * varasm.c (const_hash_1, compare_constant, copy_constant)
4285         (compute_reloc_for_constant, output_addressed_constants)
4286         (initializer_constant_valid_p): Likewise.
4287         * c-omp.c (check_omp_for_incr_expr): Likewise.
4288         * gimplify.c (gimplify_expr): Likewise.
4289         * c-typeck.c (c_finish_return): Likewise.
4290         * tree-vectorizer.c (supportable_widening_operation)
4291         (supportable_narrowing_operation): Likewise.
4292         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
4293         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
4294         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
4295         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
4296         (descr_info_loc): Likewise.
4297         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
4298         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
4299         (fold_unary): Likewise.
4300         * builtins.c (get_pointer_alignment): Likewise.
4301         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
4302         (instantiate_parameters_1): Likewise.
4303         * tree.c (expr_align, stabilize_reference): Likewise.
4304         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4305         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
4306         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
4307         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
4308         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
4309         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
4310         Likewise.
4311         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
4312         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
4313         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
4314         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
4315         (forward_propagate_comparison)
4316         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4317         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
4318         * emit-rtl.c (component_ref_for_mem_expr)
4319         (set_mem_attributes_minus_bitpos): Likewise.
4320         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
4321         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
4322         Likewise.
4323         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
4324         (build_function_call, pointer_diff, build_compound_expr)
4325         (c_finish_return): Likewise.
4326         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
4327         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
4328         Likewise.
4329         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
4330         * expr.c (is_aligning_offset): Likewise.
4331         * tree-ssa-alias.c (is_escape_site): Likewise.
4332         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
4333         (check_all_va_list_escapes): Likewise.
4334         * tree-ssa-loop-ivopts.c (determine_base_object)
4335         (determine_common_wider_type): Likewise.
4336         * dojump.c (do_jump): Likewise.
4337         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
4338         * tree-gimple.c (is_gimple_cast): Likewise.
4339         * fold-const.c (decode_field_reference, )
4340         (fold_sign_changed_comparison, fold_unary, fold_comparison)
4341         (fold_binary): Likewise.
4342         * tree-ssa-alias-warnings.c (find_alias_site_helper)
4343         (already_warned_in_frontend_p): Likewise.
4344         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
4345         * tree.c (really_constant_p, get_unwidened): Likewise.
4346         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
4347         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
4348         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
4349         Likewise.
4350         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
4351         CONVERT_EXPR_P.
4352         (CONVERT_EXPR_P): Define.
4353         (CASE_CONVERT): Define.
4354         
4355 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
4356
4357         PR middle-end/36117
4358         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
4359         (delete_unmarked_insns): When deleting a call, call
4360         delete_unreachable_blocks.
4361         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
4362         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
4363
4364 2008-05-08  Richard Guenther  <rguenther@suse.de>
4365
4366         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
4367         (-ftree-salias): Likewise.
4368         (salias-max-implicit-fields): Remove param documentation.
4369         (salias-max-array-elements): Likewise.
4370         * tree-pass.h (pass_create_structure_vars): Remove.
4371         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
4372         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
4373         * tree-ssa-alias.c (create_structure_vars): Remove.
4374         (gate_structure_vars): Likewise.
4375         (pass_create_structure_vars): Likewise.
4376         (gate_build_alias): Likewise.
4377         (pass_build_alias): Adjust to run always and dump the function.
4378         * common.opt (ftree-salias): Hide.
4379         * passes.c (init_optimization_passes): Remove
4380         pass_create_structure_vars, adjust comment.
4381         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
4382         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
4383         * opts.c (decode_options): Do not set flag_tree_salias.
4384         (common_handle_option): Add OPT_ftree_salias to the backward
4385         compatibility section.
4386
4387 2008-05-08  Richard Guenther  <rguenther@suse.de>
4388
4389         * tree-flow-inline.h (var_can_have_subvars): Move ...
4390         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
4391         * tree-flow.h (var_can_have_subvars): Remove.
4392         (push_fields_onto_fieldstack): Remove.
4393         (sort_fieldstack): Likewise.
4394         (struct fieldoff): Move ...
4395         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
4396         alias_set and base_for_components fields.
4397         (sort_fieldstack): Make static.
4398         (push_fields_onto_fieldstack): Likewise.  Remove code that
4399         handles anything but RECORD_TYPEs.  Remove alias_set and
4400         base_for_components handling.
4401         (create_variable_info_for): Adjust.
4402
4403 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
4404
4405         * common.opt (Wframe-larger-than=): Shorten the help message
4406         to one line.
4407         * doc/invoke.texi (Wframe-larger-than=): Add more description.
4408
4409 2008-05-08  Rafael Espindola  <espindola@google.com>
4410
4411         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
4412         trap.
4413         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
4414         trap and that both operands are gimple values.
4415         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
4416         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
4417         is a fp operation.
4418
4419 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4420
4421         * read-rtl.c (join_c_conditions): Return the first string if the
4422         two strings are equal.
4423
4424 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4425
4426         * gensupport.h (pred_data): Add a "num_codes" field.
4427         (add_predicate_code): Declare.
4428         * gensupport.c (add_predicate_code): New function.
4429         (std_pred_table): Add an "allows_const_p" field.
4430         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
4431         Remove the (incomplete) list of such codes from the codes field.
4432         (init_predicate_table): Use add_predicate_code.  Add all
4433         RTX_CONST_OBJs if allows_const_p is true.
4434         * genrecog.c (process_define_predicate): Use add_predicate_code.
4435
4436 2008-05-08  David Daney  <ddaney@avtrex.com>
4437             Richard Sandiford  <rsandifo@nildram.co.uk>
4438         
4439         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
4440         special case of constant zero operands.
4441         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
4442         old and new values.  Special case constant zero values.
4443         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
4444         fails.
4445         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
4446         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
4447
4448 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
4449
4450         PR target/36090
4451         * simplify-rtx.c (simplify_plus_minus): Create CONST of
4452         similar RTX_CONST_OBJ before CONST_INT.
4453
4454 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
4455
4456         * stmt.c (expand_stack_restore): Change sa mode if needed.
4457
4458 2008-05-08  Richard Guenther  <rguenther@suse.de>
4459
4460         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
4461         return type to bool.
4462         (ix86_sol10_return_in_memory): Likewise.
4463         (ix86_i386elf_return_in_memory): Likewise.
4464         (ix86_i386interix_return_in_memory): Likewise.
4465         * config/i386/i386.c (ix86_return_in_memory): Likewise.
4466         (ix86_sol10_return_in_memory): Likewise.
4467         (ix86_i386elf_return_in_memory): Likewise.
4468         (ix86_i386interix_return_in_memory): Likewise.
4469
4470 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
4471
4472         PR bootstrap/36180
4473         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
4474         fndecl argument.
4475         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
4476         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
4477         declared in front.
4478
4479 2008-05-08  Richard Guenther  <rguenther@suse.de>
4480
4481         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
4482         * tree-data-ref.h (struct dr_alias): Remove subvars field.
4483         (DR_SUBVARS): Remove.
4484         * tree-dfa.c (dump_subvars_for): Remove.
4485         (debug_subvars_for): Likewise.
4486         (dump_variable): Do not dump subvars.
4487         (remove_referenced_var): Do not remove subvars.
4488         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
4489         (lookup_subvars_for_var): Remove.
4490         (get_subvars_for_var): Likewise.
4491         (get_subvars_at): Likewise.
4492         (get_first_overlapping_subvar): Likewise.
4493         (overlap_subvar): Likewise.
4494         * tree-flow.h (subvar_t): Remove.
4495         (struct var_ann_d): Remove subvars field.
4496         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
4497         argument.  Remove special handling of SFTs.
4498         (compute_tag_properties): Likewise.
4499         (set_initial_properties): Likewise.
4500         (compute_call_clobbered): Likewise.
4501         (count_mem_refs): Likewise.
4502         (compute_memory_partitions): Likewise.
4503         (compute_flow_insensitive_aliasing): Likewise.
4504         (setup_pointers_and_addressables): Likewise.
4505         (new_type_alias): Likewise.
4506         (struct used_part): Remove.
4507         (used_portions): Likewise.
4508         (struct used_part_map): Likewise.
4509         (used_part_map_eq): Likewise.
4510         (used_part_map_hash): Likewise.
4511         (free_used_part_map): Likewise.
4512         (up_lookup): Likewise.
4513         (up_insert): Likewise.
4514         (get_or_create_used_part_for): Likewise.
4515         (create_sft): Likewise.
4516         (create_overlap_variables_for): Likewise.
4517         (find_used_portions): Likewise.
4518         (create_structure_vars): Likewise.
4519         * tree.def (STRUCT_FIELD_TAG): Remove.
4520         * tree.h (MTAG_P): Adjust.
4521         (struct tree_memory_tag): Remove base_for_components and
4522         unpartitionable flags.
4523         (struct tree_struct_field_tag): Remove.
4524         (SFT_PARENT_VAR): Likewise.
4525         (SFT_OFFSET): Likewise.
4526         (SFT_SIZE): Likewise.
4527         (SFT_NONADDRESSABLE_P): Likewise.
4528         (SFT_ALIAS_SET): Likewise.
4529         (SFT_UNPARTITIONABLE_P): Likewise.
4530         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
4531         (union tree_node): Remove sft field.
4532         * alias.c (get_alias_set): Remove special handling of SFTs.
4533         * print-tree.c (print_node): Remove handling of SFTs.
4534         * tree-dump.c (dequeue_and_dump): Likewise.
4535         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
4536         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
4537         * tree-predcom.c (set_alias_info): Do not set subvars.
4538         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
4539         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
4540         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
4541         (add_vars_for_offset): Remove.
4542         (add_virtual_operand): Remove special handling of SFTs.
4543         (add_call_clobber_ops): Likewise.
4544         (add_call_read_ops): Likewise.
4545         (get_asm_expr_operands): Likewise.
4546         (get_modify_stmt_operands): Likewise.
4547         (get_expr_operands): Likewise.
4548         (add_to_addressable_set): Likewise.
4549         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
4550         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
4551         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
4552         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
4553         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
4554         (tree_node_structure): Likewise.
4555         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
4556         handling of SFTs.
4557         (find_what_p_points_to): Likewise.
4558
4559 2008-05-08  Sa Liu  <saliu@de.ibm.com>
4560
4561         * config/spu/spu.md: Fixed subti3 pattern.
4562
4563 2008-05-08  Richard Guenther  <rguenther@suse.de>
4564
4565         PR middle-end/36154
4566         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
4567         sure to create a representative for trailing arrays for PTA.
4568
4569 2008-05-08  Richard Guenther  <rguenther@suse.de>
4570
4571         PR middle-end/36172
4572         * fold-const.c (operand_equal_p): Two objects which types
4573         differ in pointerness are not equal.
4574
4575 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
4576
4577         * calls.c (compute_argument_block_size): Add argument tree fndecl.
4578         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
4579         (emit_library_call_value_1): Add new variable fndecl initialized by
4580         NULL_TREE. It should be the decl type of orgfun, but this information
4581         seems not to be available here, so it uses the default calling abi.
4582         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
4583         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
4584         by TARGET_RETURN_IN_MEMORY.
4585         * config/i386/i386-interix.h: Likewise.
4586         * config/i386/i386.h: Likewise.
4587         * config/i386/i386elf.h: Likewise.
4588         * config/i386/ptx4-i.h: Likewise.
4589         * config/i386/sol2-10.h: Likewise.
4590         * config/i386/sysv4.h: Likewise.
4591         * config/i386/vx-common.h: Likewise.
4592         * config/cris/cris.h: Removed #if 0 clause.
4593         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
4594         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
4595         argument.
4596         (ix86_sol10_return_in_memory): Likewise.
4597         (ix86_i386elf_return_in_memory): New.
4598         (ix86_i386interix_return_in_memory): New.
4599         * config/mt/mt-protos.h (mt_return_in_memory): New.
4600         * config/mt/mt.c: Likewise.
4601         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
4602         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
4603         * config/bfin/bfin.h: Likewise.
4604         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
4605         argument.
4606         * config/bfin/bfin.c: Likewise.
4607         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
4608         * config/alpha/unicosmk.h: Likewise.
4609         * config/i386/cygming.h: Likewise.
4610         * config/iq2000/iq2000.h: Likewise.
4611         * config/mips/mips.h: Likewise.
4612         * config/mn10300/mn10300.h: Likewise.
4613         * config/rs6000/rs6000.h: Likewise.
4614         * config/score/score.h: Likewise.
4615         * config/spu/spu.h: Likewise.
4616         * config/v850/v850.h: Likewise.
4617         * defaults.h: Likewise.
4618         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
4619         * expr.c (emit_block_move): Adjust use of
4620         OUTGOING_REG_PARM_STACK_SPACE.
4621         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
4622         OUTGOING_REG_PARM_STACK_SPACE.
4623         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
4624
4625 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
4626
4627         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
4628         on OMP_RETURN for OMP_FOR.
4629
4630         PR debug/35896
4631         * dwarf2out.c (dw_expand_expr, common_check): Removed.
4632         (fortran_common): New function.
4633         (gen_variable_die): Call fortran_common instead of common_check,
4634         adjust for it returning tree instead of rtx.  Formatting.
4635
4636 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
4637
4638         PR rtl/7335
4639         PR rtl/33826
4640         * see.c (see_copy_insn): Copy new pure const attributes for new call.
4641         * c-decl.c (merge_decls): Ditto.
4642         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
4643         to RTL_CONST_OR_PURE_CALL_P.
4644         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
4645         Initialized DECL_LOOPING_CONST_PURE.
4646         (process_call_operands): Set tree_side_effects properly.
4647         * tree.h (TREE_READONLY_DECL_P): Removed.
4648         (DECL_IS_PURE): Renamed to DECL_PURE_P.
4649         (DECL_LOOPING_OR_CONST_P): New macro.
4650         (struct tree_function_decl): Added looping_const_or_pure_p.
4651         (ECF_*) Renumbered.
4652         (ECF_LOOPING_OR_CONST_P): New macro.
4653         * rtlanal.c (pure_const_p): Removed.
4654         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
4655         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
4656         to RTL_CONST_CALL_P.
4657         * ipa-pure-const.c (pure_const_state_e): Added looping field.
4658         (check_decl, check_tree, check_call, scan_function): Initialize
4659         looping.
4660         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
4661         (static_execute): Set looping true for recursive functions.
4662         Undo setting state to IPA_NEITHER for recursive functions.
4663         * cse.c (cse_insn): 
4664         * ifcvt.c (noce_can_store_speculate_p): Changed
4665         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
4666         RTL_CONST_OR_PURE_CALL_P.
4667         * dse.c (scan_insn): Ditto.
4668         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
4669         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
4670         RTL_CONST_OR_PURE_CALL_P.
4671         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
4672         pure_call_p to RTL_CONST_CALL_P.
4673         * gimplify.c (gimplify_call_expr): Clear side effects for
4674         non-looping pure and constant calls.
4675         * calls.c (emit_call_1): Set rtl flags from ecf flags.
4676         (flags_from_decl_or_type): Set ecf flags from decl flags.
4677         (initialize_argument_information): Turn off
4678         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
4679         Change const to pure if callee_copies is true rather than just
4680         turning off const.
4681         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
4682         way of marking pure calls.
4683         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
4684         Remove hack that was supposed to fix pr7335 and remove old
4685         way of marking pure calls.
4686         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
4687         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
4688         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
4689         RTL_CONST_OR_PURE_CALL_P.
4690         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
4691         * loop-invariant.c (find_exits, find_invariant_bb): Changed
4692         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
4693         * sched-deps.c (schedule_analyze): Ditto.
4694         * rtl.h (struct rtx_def): Use call field, unchanging field, and
4695         return_val field of calls to represent pure and const function info.
4696         (CONST_OR_PURE_CALL_P): Deleted macro.
4697         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
4698         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
4699         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
4700         TREE_READONLY.
4701         * tree-optimize.c (execute_fixup_cfg): Added test for
4702         ECF_LOOPING_CONST_OR_PURE.
4703         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
4704         DECL_PURE_P.
4705         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
4706         effects for looping pure or const calls.
4707         (verify_gimple_expr): Added verification code. 
4708         * config/alpha/alpha.c (alpha_legitimize_address,
4709         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
4710         RTL_CONST_CALL_P.
4711         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
4712         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
4713         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
4714         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
4715         RTL_CONST_OR_PURE_CALL_P.
4716         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
4717         and const calls to be deleted.
4718
4719 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
4720
4721         PR target/35714
4722         * config/i386/mmx.md (mmx_subv2sf3): New expander.
4723         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
4724         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
4725         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
4726         to handle nonimmediate operands.
4727         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
4728         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
4729         to handle nonimmediate operands.
4730         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
4731         (mmx_pmulhrwv4hi3): New expander.  Use
4732         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4733         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
4734         (sse2_umulv1siv1di3): New expander.  Use
4735         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4736         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
4737         (mmx_eq<mode>3): New expander.  Use
4738         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4739         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
4740         (mmx_uavgv8qi3): New expander.  Use
4741         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4742         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
4743         (mmx_uavgv4hi3): New expander.  Use
4744         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4745
4746         * config/i386/sse.md
4747         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
4748         to handle nonimmediate operands.
4749         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
4750         to handle nonimmediate operands.
4751         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
4752         to handle nonimmediate operands.
4753         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
4754         to handle nonimmediate operands.
4755         (sse2_unpckhpd_exp): New expander.  Use
4756         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4757         (sse2_unpcklpd_exp): New expander.  Use
4758         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4759         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
4760         to handle nonimmediate operands.
4761         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
4762         to handle nonimmediate operands.
4763         (*sse2_<plusminus_insn><mode>3): Rename from
4764         sse2_<plusminus_insn><mode>3 insn pattern.
4765         (sse2_<plusminus_insn><mode>3): New expander.  Use
4766         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4767         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
4768         (sse2_umulv2siv2di3): New expander.  Use
4769         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4770         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
4771         (sse4_1_mulv2siv2di3): New expander.  Use
4772         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4773         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
4774         (sse2_pmaddwd): New expander.  Use
4775         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4776         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
4777         (sse2_eq<mode>3): New expander.  Use
4778         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4779         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
4780         (sse4_1_eqv2di3): New expander.  Use
4781         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4782         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
4783         (sse2_uavgv16qi3): New expander.  Use
4784         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4785         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
4786         (sse2_uavgv16qi3): New expander.  Use
4787         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4788         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
4789         (sse2_uavgv8hi3): New expander.  Use
4790         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4791         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
4792         (ssse3_pmulhrswv8hi3): New expander.  Use
4793         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4794         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
4795         (ssse3_pmulhrswv4hi3): New expander.  Use
4796         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4797
4798         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
4799         (<sse>_vmmul<mode>3): Ditto.
4800         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
4801         (divv2df3): Ditto.
4802         (ssse3_pmaddubsw128): Use register_operand for operand 1.
4803         (ssse3_pmaddubsw): Ditto.
4804
4805         * config/i386/i386.c (struct_builtin_description)
4806         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
4807         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
4808         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
4809         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
4810         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
4811         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
4812         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
4813         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
4814         (ix86_fixup_binary_operands): Assert that src1
4815         and src2 must have the same mode when swapped.
4816         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
4817         and ix86_binary_operator_ok.  Do not force operands in registers
4818         when optimizing.
4819
4820 2008-05-07  Jan Hubicka  <jh@suse.cz>
4821
4822         * cgraph.c (dump_cgraph_node): Update.
4823         * cgraph.h (cgraph_local_info): Break out inline summary.
4824         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
4825         hook.
4826         * ipa-inline (inline_summary): New accestor function.
4827         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
4828         cgraph_decide_inlining, compute_inline_parameters): Update.
4829         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
4830
4831 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
4832
4833         Cleanup ColdFire scheduling support and add V4 pipeline model.
4834
4835         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
4836         (define_attr cpu): Add cfv4 value.
4837         (define_attr type, define_attr type1): Merge into a single 'type'
4838         attribute.  Update all uses.
4839         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
4840         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
4841         Update all uses.
4842         (define_attr opx_mem, define_attr opy_mem): Remove.
4843         (define_attr op_mem): Clean up, update comment.
4844         (define_attr size): Use specific values instead of general int.
4845         (define_attr guess, define_attr split): Remove.  Update all uses.
4846         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
4847         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
4848         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
4849         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
4850         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
4851         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
4852         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
4853         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
4854         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
4855         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
4856         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
4857         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
4858         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
4859         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
4860         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
4861         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
4862         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
4863         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
4864         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
4865         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
4866         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
4867         Update or set attributes.
4868         (stack_tie): New fake instruction.
4869
4870         * config/m68k/m68k.h (TUNE_CFV4): New macro.
4871         (m68k_sched_attr_size): Update declaration.
4872         (m68k_sched_attr_type2): Remove.
4873         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
4874         Declare new bypass predicates.
4875
4876         * config/m68k/m68k.c (m68k_sched_issue_rate,
4877         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
4878         implementations.
4879         (TARGET_SCHED_ISSUE_RATE,
4880         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
4881         (override_options): Handle scheduling for ColdFire V4 core.
4882         (m68k_expand_prologue): Emit stack_tie.
4883         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
4884         'OP_TYPE_FPN'.  Update all uses.
4885         (sched_guess_p): Remove.
4886         (sched_address_type): Handle symbolic addresses.
4887         (sched_get_operand): New static function.
4888         (sched_operand_type): Merge into sched_attr_op_type.
4889         (sched_attr_op_type): Handle FP registers, handle quick constants,
4890         update.
4891         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
4892         (m68k_sched_attr_size): Update.  Move logic to ...
4893         (sched_get_attr_size_int): New static function.
4894         (sched_get_opxy_mem_type): New static function.
4895         (m68k_sched_attr_op_mem): Update.
4896         (m68k_sched_attr_type2): Remove.
4897         (sched_cfv4_bypass_data): New static variable.
4898         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
4899         (m68k_sched_issue_rate): Implement scheduler hook.
4900         (struct _sched_ib: enabled_p): New field.
4901         (m68k_sched_variable_issue): Update.  Handle V4.
4902         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
4903         sched_dump_class_func_t, sched_dump_split_class,
4904         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
4905         sched_dump_dfa_class, m68k_sched_dump): Remove.
4906         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
4907         hook.
4908         (m68k_sched_init_global): Remove statisctics dumping, introduce
4909         sanity check that all instructions have pipeline reservations.  Handle
4910         ColdFire V4 core.
4911         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
4912         Handle ColdFire V4 core.
4913         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
4914         New static functions.
4915         (m68k_sched_address_bypass_p): New bypass predicate.
4916         (sched_get_indexed_address_scale): New static function.
4917         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
4918
4919         * cf.md: Update comments.
4920         (define_attr type2): Remove.  Use 'type' attribute instead.
4921         Update all uses.
4922         (cf_ib): Rename to cfv123_ib.  Update all uses.
4923         (cf_oep): Rename to cfv123_oep.  Update all uses.
4924         (cf_chr): Rename to cfv123_chr.  Update all uses.
4925         (cf_mem): Rename to cfv123_mem.  Update all uses.
4926         (cf_mac): Move to more appropriate place.
4927         (cfv123_guess): New automaton and cpu_unit.
4928         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
4929         Update uses of 'size' attribute.  Handle before reload scheduling.
4930         (cfv123_guess): New dummy reservation for unhandled instructions.
4931         (cfv4_*): Pipeline description of ColdFire V4 core.
4932         (ignore): New reservation to handle 'ignore' type.
4933
4934 2008-05-07  Ian Lance Taylor  <iant@google.com>
4935
4936         PR middle-end/36013
4937         * gimplify.c (find_single_pointer_decl_1): Don't look through
4938         indirections.
4939         (find_single_pointer_decl): Adjust comments.
4940
4941 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
4942
4943         PR middle-end/36137
4944         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
4945         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
4946
4947         PR middle-end/36106
4948         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
4949         integral type rather than floating point, then VIEW_CONVERT_EXPR
4950         to the floating point type.
4951
4952 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
4953
4954         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
4955         TFmode op0 to register.
4956
4957 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
4958
4959         * c-decl.c (grokdeclarator): Comment typo.
4960
4961 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
4962
4963         * tree-flow.h: Remove prototype for computed_goto_p.
4964         * tree-cfg.c (computed_goto_p): Make static.
4965
4966 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4967
4968         PR target/35657
4969         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
4970         (contains_aligned_value_p): This.  Handle _Decimal128.
4971         (ix86_function_arg_boundary): Only align _Decimal128 to its
4972         natural boundary and handle it properly.
4973
4974 2008-05-06  Martin Jambor  <mjambor@suse.cz>
4975
4976         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
4977         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
4978         (ipcp_method_set_orig_node): Removed.
4979         (ipcp_cval_get_cvalue_type): Removed.
4980         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
4981         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
4982         (ipcp_cval_set_cvalue_type): Removed.
4983         (ipcp_cval_get_cvalue): Removed.
4984         (ipcp_cval_set_cvalue): Removed.
4985         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
4986         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
4987         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
4988         (ipcp_cval_meet): Renamed to ipa_lattice_meet
4989         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
4990         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
4991         (ipcp_get_ith_lattice): Changed parameters.
4992         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
4993         (ipcp_lattice_from_jfunc): Changed parameters.
4994         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
4995         (ipcp_method_cval_print): Added temporary variable info.
4996         (ipcp_redirect): Removed already unused local variable caller.
4997         (ipcp_redirect): New temporary variable orig_callee_info
4998         (ipcp_redirect): Removed newly unused local variable callee.
4999         (ipcp_redirect): Removed (a bit confusing) local variable type.
5000         (ipcp_insert_stage): Added local variable info.
5001         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
5002         renamed too
5003         (ipcp_formal_create): Removed.
5004         (ipcp_method_cval_set): Removed.
5005         (ipcp_propagate_stage): Renamed lattice variables.
5006         (ipcp_method_cval_set_cvalue_type): Removed.
5007         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
5008         (ipcp_print_all_lattices): Changed printed strings to refer to 
5009         lattices rather than cvals.
5010         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
5011         (ipcp_propagate_const): Changed formal parameters.
5012         (build_const_val): Changed formal parameters.
5013         (ipcp_insert_stage): Removed useless variable cvalue
5014         (build_const_val): Changed formal parameters.
5015         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
5016         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
5017         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
5018         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
5019         (ipcp_print_func_profile_counts): Changed string from "method" to 
5020         "function"
5021         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
5022         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
5023         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
5024         (ipcp_structures_print): Renamed to ipcp_print_all_structures
5025         (ipcp_profile_print): Renamed to ipcp_print_profile_data
5026         (ipcp_lat_is_const): Changed parameters and made inline.
5027         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
5028         (ipcp_redirect): Renamed to ipcp_need_redirect_p
5029         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
5030         the predicate condition directly
5031         (ipcp_propagate_stage): Added local variable args. Removed local
5032         variable callee.  (Both are mere code simplifications.)
5033         (ipcp_method_dont_insert_const): Renamed to
5034         ipcp_node_not_modifiable_p.
5035         (ipcp_node_not_modifiable_p): Made inline.
5036         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
5037         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
5038         (ipcp_print_all_lattices): Removed variable cvalue
5039         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
5040         Updated comments.
5041
5042 2008-05-06  Olivier Hainque  <hainque@adacore.com>
5043
5044         * tree-sra.c (try_instantiate_multiple_fields): Early return
5045         if field has POINTER_TYPE.
5046
5047 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
5048
5049         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
5050         by using 'q' specifier for instruction.
5051         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
5052
5053 2008-05-06  Anatoly Sokolov <aesok@post.ru>
5054
5055         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
5056         Change mode of zero_extract from QImode to HImode.
5057         (sign bit tests peepholes): (Ditto.).
5058
5059 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
5060
5061         * config/i386/mmx.md: Remove double backslashes from asm templates.
5062         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
5063         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
5064         to handle nonimmediate operands.
5065         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
5066         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
5067         to handle nonimmediate operands.
5068         (*mmx_<code>v2sf3_finite): New insn pattern.
5069         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
5070         (mmx_<code>v2sf3): New expander.  Use
5071         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5072         (mmx_<plusminus_insn><mode>3): New expander.  Use
5073         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5074         (*mmx_<plusminus_insn><mode>3): New insn pattern.
5075         (mmx_add<mode>3): Removed.
5076         (mmx_ssadd<mode>3): Ditto.
5077         (mmx_usadd<mode>3): Ditto.
5078         (mmx_sub<mode>3): Ditto.
5079         (mmx_sssub<mode>3): Ditto.
5080         (mmx_ussub<mode>3): Ditto.
5081         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
5082         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
5083         to handle nonimmediate operands.
5084         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
5085         insn pattern.
5086         (mmx_smulv4hi3_highpart): New expander.  Use
5087         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5088         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
5089         insn pattern.
5090         (mmx_umulv4hi3_highpart): New expander.  Use
5091         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5092         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
5093         (mmx_<code>v4hi3): New expander.  Use
5094         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5095         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
5096         (mmx_<code>v8qi3): New expander.  Use
5097         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5098         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
5099         (mmx_<code><mode>3): New expander.  Use
5100         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5101
5102 2008-05-05  Jan Hubicka  <jh@suse.cz>
5103
5104         PR tree-optimization/36118
5105         * passes.c (pass_init_dump_file): Fix dump header.
5106
5107 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5108
5109         PR middle-end/36141
5110         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
5111         VCE for function decls.
5112
5113 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
5114
5115         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
5116
5117 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
5118
5119         * config/i386/i386.md (sat_plusminus): New.
5120         (plusminus_insn): Likewise.
5121         (plusminus_mnemonic): Likewise.
5122         (addsub): Removed.
5123         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
5124         (*<addsub><mode>3_cc_overflow): Renamed to ...
5125         (*<plusminus_insn><mode>3_cc_overflow): This.
5126         (*<addsub>si3_zext_cc_overflow): Renamed to ...
5127         (*<plusminus_insn>si3_zext_cc_overflow): This.
5128
5129         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
5130         (<plusminus_insn><mode>3): This.
5131         (*<addsub><mode>3): Renamed to ...
5132         (*<plusminus_insn><mode>3): This.
5133         (<sse>_vm<addsub><mode>3): Renamed to ...
5134         (<sse>_vm<plusminus_insn><mode>3): This.
5135         (sse3_h<addsub>v4sf3): Renamed to ...
5136         (sse3_h<plusminus_insn>v4sf3): This.
5137         (sse3_h<addsub>v2df3): Renamed to ...
5138         (sse3_h<plusminus_insn>v2df3): This.
5139         (<plusminus_insn><mode>3): New.
5140         (*<plusminus_insn><mode>3): Likewise.
5141         (sse2_<plusminus_insn><mode>3): Likewise.
5142         (add<mode>): Removed.
5143         (*add<mode>3): Likewise.
5144         (sse2_ssadd<mode>3): Likewise.
5145         (sse2_usadd<mode>3): Likewise.
5146         (sub<mode>3): Likewise.
5147         (*sub<mode>3): Likewise.
5148         (sse2_sssub<mode>3): Likewise.
5149         (sse2_ussub<mode>3): Likewise.
5150
5151 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
5152
5153         * gthr-single.h: Add in required interface elements as per gthr.h.
5154         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
5155         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
5156         Generalize UNUSED macro. 
5157         (__gthread_once): Add.
5158         (__gthread_key_create): Add.
5159         (__gthread_key_delete): Add.
5160         (__gthread_getspecific): Add.
5161         (__gthread_setspecific): Add.
5162         
5163 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
5164
5165         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
5166         the same size types for the indirect reference on the rhs, then
5167         create a VCE.
5168
5169 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
5170
5171         * config/i386/i386.md
5172         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
5173         one insn template instead of template series.
5174         (*xordi_1_rex64): Ditto.
5175         (*xordi_2_rex64): Ditto.
5176
5177 2008-05-05  Ira Rosen  <irar@il.ibm.com>
5178
5179         PR tree-optimization/36119
5180         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
5181         in case of SLP.
5182
5183 2008-06-04  Jan Hubicka  <jh@suse.cz>
5184
5185         tree-optimization/36100
5186         * tree-pass.h (pass_O0_always_inline): Declare.
5187         * ipa-inline.c (inline_transform): Remove dead code.
5188         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
5189         pass_O0_always_inline): New.
5190         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
5191
5192 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
5193
5194         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
5195         mnemonic in this_param move for TARGET_64BIT.
5196
5197 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
5198
5199         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
5200         (*strmovsi_rex_1): Ditto.
5201         (*strsetsi_1): Ditto.
5202         (*strsetsi_rex_1): Ditto.
5203
5204         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
5205         adddicc expanders using SWI mode iterator.
5206
5207 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
5208
5209         PR target/36121
5210         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
5211         argument handling.
5212
5213 2008-05-04  David S. Miller  <davem@davemloft.net>
5214
5215         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
5216         (sparc*-*-linux*): Use linux.h in tm_file.
5217         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
5218         compiler defaulting to 32-bit.
5219         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
5220         no longer needed.
5221         * config/sparc/linux.h: Remove definitions now obtained
5222         properly from linux.h
5223         * config/sparc/linux64.h: Likewise.
5224         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
5225         don't want this setting for 32-bit builds in a biarch compiler.
5226         * doc/install.texi: Add sparc-linux to list of targets
5227         supporting --enable-targets=all.
5228
5229 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
5230
5231         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
5232
5233 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
5234
5235         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
5236         after V4SI_FTYPE_V8HI.
5237         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
5238         case V4SI_FTYPE_V2DF.
5239
5240 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
5241
5242         * doc/invoke.texi (max-flow-memory-locations): Removed.
5243         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
5244         
5245 2008-05-03  Richard Guenther  <rguenther@suse.de>
5246
5247         PR middle-end/34973
5248         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
5249
5250 2008-05-02  David S. Miller  <davem@davemloft.net>
5251
5252         * config.gcc (need_64bit_hwint): Document libcpp dependency.
5253
5254 2008-05-02  Simon Baldwin <simonb@google.com>
5255
5256         PR bootstrap/36108
5257         * c-common.h (warn_array_subscript_range): Removed.
5258         * c-common.c (warn_array_subscript_range): Ditto.
5259         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
5260         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
5261
5262 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
5263
5264         * config/i386/i386.c (ix86_special_builtin_type): New.
5265         (bdesc_special_args): Likewise.
5266         (ix86_expand_special_args_builtin): Likewise.
5267         (ix86_init_mmx_sse_builtins): Updated.
5268         (ix86_expand_builtin): Updated.
5269         (ix86_expand_store_builtin): Removed.
5270         (ix86_expand_unop_builtin): Likewise.
5271
5272         * config/i386/mm3dnow.h (__v2sf): Moved to ...
5273         * config/i386/mmintrin.h (__v2sf): Here.
5274
5275         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
5276         const __v2sf.
5277         (_mm_loadl_pi): Likewise.
5278         (_mm_storeh_pi): Replace __v2si with __v2sf.
5279         (_mm_storel_pi): Likewise.
5280
5281         * doc/extend.texi: Correct __builtin_ia32_loadhps,
5282         __builtin_ia32_loadlps, __builtin_ia32_storehps,
5283         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
5284         __builtin_ia32_loadlpd.
5285
5286 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
5287
5288         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
5289         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
5290         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
5291         (ix86_init_mmx_sse_builtins): Updated.
5292         (ix86_expand_args_builtin): Likewise.
5293         (ix86_expand_builtin): Likewise.
5294         (ix86_expand_unop1_builtin): Renamed to ...
5295         (ix86_expand_unop_vec_merge_builtin): This.
5296
5297 2008-05-01  Jan Hubicka  <jh@suse.cz>
5298
5299         PR bootstrap/36100
5300         * ipa-inline.c (inline_generate_summary): Make static.
5301         (inline_transform): Do not call inlining at -O0; make static.
5302         * passes.c (execute_todo): Add sanity check.
5303         (execute_one_ipa_transform_pass): Execute proper flags.
5304
5305 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
5306
5307         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
5308         (DECL_NONADDRESSABLE_P): Likewise.
5309         * alias.c (record_component_aliases): Fix comment.
5310
5311 2008-05-01  Simon Baldwin <simonb@google.com>
5312
5313         * c-common.h (warn_array_subscript_range): New function.
5314         * c-common.c (warn_array_subscript_range): Ditto.
5315         * tree-vrp.c (check_array_ref): Corrected code to agree with
5316         comment, ignoring only arrays of size 0 or size 1.
5317         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
5318
5319 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
5320
5321         * config/i386/i386.c (ix86_builtin_type): Replace
5322         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
5323         (bdesc_args): Updated.
5324         (ix86_init_mmx_sse_builtins): Likewise.
5325         (ix86_expand_args_builtin): Likewise.
5326
5327         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
5328         with __v1di.
5329
5330         * doc/extend.texi: Correct __builtin_ia32_palignr.
5331
5332 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
5333
5334         PR target/36095
5335         * config/i386/i386.c (bdesc_crc32): Removed.
5336         (ix86_expand_crc32): Likewise.
5337         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
5338         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
5339         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
5340         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
5341         UINT_FTYPE_UINT_UCHAR.
5342         (bdesc_args): Updated. Add crc32 builtins.
5343         (ix86_init_mmx_sse_builtins): Updated.
5344         (ix86_expand_args_builtin): Updated to support subreg.
5345
5346         * doc/extend.texi: Correct __builtin_ia32_crc32di.
5347
5348 2008-05-01  Jan Hubicka  <jh@suse.cz>
5349
5350         * tree-pass.h (opt_pass): Add IPA_PASS.
5351         (varpool_node, cgraph_node): Forward declare.
5352         (ipa_opt_pass): Define.
5353         (pass_ipa_inline): Turn into ipa_opt_pass.
5354         (pass_apply_inline): Remove.
5355         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
5356         (apply_inline): Turn into ....
5357         (inline_transform): ... this one.
5358         (inline_generate_summary): New function.
5359         (pass_apply_inline): Remove.
5360         * function.h (ipa_opt_pass): Forward declare structure; typedef;
5361         vector.
5362         (struct function): Add ipa_transforms_to_apply.
5363         * passes.c (register_one_dump_file): Work on IPA_PASS.
5364         (init_optimization_passes): Remove pass_inline_parameters and
5365         pass_apply_inline.
5366         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
5367         (execute_one_pass) ... here; apply transforms when possible.
5368         (add_ipa_transform_pass, execute_ipa_summary_asses,
5369         execute_one_ipa_transform_pass): New.
5370         (execute_ipa_pass_list): Update for IPA_PASS type.
5371
5372 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
5373
5374         * config/i386/i386.c (ix86_builtin_type): Add
5375         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
5376         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
5377         (bdesc_args): Add SSE4a builtins.
5378         (ix86_init_mmx_sse_builtins): Updated.
5379         (ix86_expand_args_builtin): Likewise.
5380         (ix86_expand_builtin): Likewise.
5381
5382 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
5383
5384         * config/i386/i386.c (ix86_builtin_type): Add
5385         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
5386         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
5387         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
5388         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
5389         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
5390         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
5391         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
5392         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
5393         and DI_FTYPE_DI_DI_INT.
5394         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
5395         (ix86_init_mmx_sse_builtins): Updated.
5396         (ix86_expand_args_builtin): Likewise.
5397         (ix86_expand_builtin): Likewise.
5398         (ix86_expand_binop_imm_builtin): Removed.
5399
5400         * doc/extend.texi: Correct __builtin_ia32_palignr128.
5401
5402 2008-04-30  Richard Guenther  <rguenther@suse.de>
5403
5404         PR tree-optimization/32921
5405         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
5406
5407 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
5408
5409         * config/arm/arm.c (arm_unwind_emit): Use
5410         crtl->all_throwers_are_sibcalls instead of
5411         cfun->all_throwers_are_sibcalls.
5412         (arm_output_fn_unwind): Likewise.
5413         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
5414         instead of cfun->uses_pic_offset_table.
5415         (frv_expand_prologue): Likewise.
5416         (frv_frame_pointer_required): Likewise.
5417         (frv_expand_fdpic_call): Likewise.
5418         (frv_emit_movsi): Likewise.
5419         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
5420         cfun->returns_pcc_struct instead of
5421         current_function_returns_pcc_struct.
5422         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
5423         instead of cfun->calls_eh_return.
5424         (m32c_pushm_popm): Likewise.
5425         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
5426         "extern" declaration.
5427
5428 2008-04-30  Richard Guenther  <rguenther@suse.de>
5429
5430         PR tree-optimization/21636
5431         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
5432         constant address.
5433         (evaluate_stmt): Print the likely value.
5434         (ccp_visit_stmt): Avoid excessive vertical spacing.
5435
5436 2008-04-30  Rafael Espindola  <espindola@google.com>
5437
5438         * builtins.c (fold_call_expr): Return realret.
5439         * tree-ssa-threadedge.c
5440         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5441         __builtin_object_size.
5442
5443 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
5444
5445         * gcc.c (wrapper_string): New variable.
5446         (insert_wrapper): New function.
5447         (execute): New option -wrapper.
5448         * doc/invoke.texi (Overall Options): New driver option -wrapper.
5449
5450 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
5451
5452         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
5453         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
5454         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
5455         from...
5456         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
5457         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
5458         config/rs6000/e500crtres64gprctr.asm,
5459         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
5460         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
5461         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
5462         config/rs6000/e500crtsav64gprctr.asm,
5463         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
5464         config/rs6000/e500crtsavg64gprctr.asm: New files.
5465         * config/rs6000/t-ppccomm: Add build rules for new files.
5466         (LIB2FUNCS_STATIC_EXTRA): Add new files.
5467         * config/rs6000/t-netbsd: Add build rules for new files.
5468         (LIB2FUNCS_STATIC_EXTRA): New variable.
5469         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
5470         (CRTSAVRES_DEFAULT_SPEC): Likewise.
5471         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
5472
5473 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
5474
5475         * config/i386/i386.c (ix86_builtin_type): Add
5476         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
5477         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
5478         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
5479         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
5480         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
5481         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
5482         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
5483         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
5484         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
5485         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
5486         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
5487         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
5488         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
5489         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
5490         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
5491         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
5492         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
5493         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
5494         V1DI_FTYPE_V2SI_V2SI.
5495         (bdesc_2arg): Moved to ...
5496         (bdesc_args): Here.
5497         (ix86_init_mmx_sse_builtins): Updated.
5498         (ix86_expand_args_builtin): Updated.  Take a pointer
5499         to const struct builtin_description.  Handle comparison
5500         builtin functions.
5501         (ix86_expand_sse_compare): Take a new argument for swapping operands.
5502         (ix86_expand_builtin): Updated.
5503
5504         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
5505         (ssse3_pmaddubsw128): This.
5506         (ssse3_pmaddubswv4hi3): Renamed to ...
5507         (ssse3_pmaddubsw): This.
5508
5509         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
5510         (__builtin_ia32_packssdw128): Likewise.
5511         (__builtin_ia32_packuswb128): Likewise.
5512         (__builtin_ia32_pmaddubsw): Likewise.
5513         (__builtin_ia32_pmaddubsw128): Likewise.
5514
5515 2008-04-30  Richard Guenther  <rguenther@suse.de>
5516
5517         PR tree-optimization/14847
5518         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
5519         (recognize_bits_test): Use it.
5520         (recognize_single_bit_test): Likewise.
5521
5522 2008-04-30  Martin Jambor  <mjambor@suse.cz>
5523
5524         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
5525         instead of setting number of formal parameters to zero.
5526         (ipcp_init_stage): Do not set the number of actual parameters to zero 
5527         either.
5528         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
5529         which are called with variable number of arguments.
5530         (ipcp_insert_stage): Explicitely skipping all nodes which are
5531         called with variable number of arguments.
5532         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
5533         number of parameters.
5534
5535         * ipa-prop.h (struct ipa_node_params): Added flag
5536         called_with_var_arguments
5537         (ipa_set_param_count): Added.  Changed sole setter to use it.
5538         (ipa_get_param_count): Added.  All readers of param_count
5539         converted to use it instead.
5540         (ipa_set_called_with_variable_arg): Added.
5541         (ipa_is_called_with_var_arguments): Added.
5542         (ipa_get_ith_param): Added.  All readers of param_decls converted
5543         to use it instead.
5544         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
5545         changed to use it. 
5546         (ipa_get_cs_argument_count): Added, all readers of argument_count
5547         changed to cal it.
5548         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
5549         to use it.
5550         
5551         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
5552         (struct ipcp_lattice): Renamed cval_type to type
5553         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
5554
5555         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
5556         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
5557         (ipcp_insert_stage): Changed the type of variable cvalue to tree
5558         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
5559         (build_const_val): Changed the type of parameter cvalue to tree
5560         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
5561         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
5562         
5563         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
5564         constant 
5565
5566         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
5567         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
5568         (ipa_add_method): Renamed to ipa_push_func_to_list
5569         (ipa_remove_method): Renamed to ipa_pop_func_from_list
5570         (ipa_callsite_param_count): Removed.
5571         (ipa_callsite_param_count_set): Removed.
5572         (ipa_callsite_param): Removed.
5573         (ipa_callsite_callee): Removed.
5574         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
5575         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
5576         (ipa_method_formal_count): Removed.
5577         (ipa_method_formal_count_set): Removed.
5578         (ipa_method_get_tree): Removed.
5579         (ipa_method_tree_map_create): Removed.
5580         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
5581         (ipa_create_param_decls_array): Creates the array itself
5582         (ipa_create_param_decls_array): Temporary variable info instead of 
5583         a few dereferences.
5584         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
5585         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
5586         (get_type): Removed.
5587         (ipa_jf_get_info_type): Removed.
5588         (ipa_node_create): Renamed to ipa_create_node_params
5589         (ipa_free): Renamed to ipa_free_all_node_params
5590         (ipa_nodes_create): Renamed to ipa_create_all_node_params
5591         (ipa_edges_create): Renamed to ipa_create_all_edge_args
5592         (ipa_edges_free): Renamed to ipa_free_all_edge_args
5593         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
5594         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
5595         ipa_free_all_edge_args
5596         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
5597         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
5598         (ipa_create_methodlist_node): Removed.
5599         (ipa_methodlist_method): Removed.
5600         (ipa_methodlist_method_set): Removed.
5601         (ipa_methodlist_next_method): Removed.
5602         (ipa_methodlist_next_method_set): Removed.
5603         (ipa_method_is_modified): Removed.
5604         (ipa_method_modify_create): Removed.
5605         (ipa_method_modify_init): Temporary variable info instead of a few 
5606         dereferences.
5607         (ipa_detect_param_modifications): Temporary variable info instead of 
5608         a few dereferences.
5609         (ipa_compute_jump_functions): Temporary variable info instead of 
5610         a few dereferences.
5611         (ipa_method_modify_set): Removed.
5612         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
5613         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
5614         than craph_node as the first parameter.
5615         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
5616         (ipa_method_modify_init): Removed.
5617         (ipa_compute_jump_functions): Added a temp variable instead of 
5618         repeatadly dereferencing the cgraph_edge.aux pointer
5619         (ipa_callsite_param_set_type): Removed.
5620         (ipa_compute_jump_functions): i renamed to index and moved to 
5621         an inner block
5622         (ipa_callsite_param_set_info_type_formal): Removed.
5623         (ipa_callsite_param_set_info_type): Removed.
5624         (ipa_callsite_param_map_create): Removed.
5625         (ipa_callsite_tree): Removed.
5626         (ipa_callsite_caller): Removed.
5627         (ipa_pop_func_from_list): return_method removed to return_func
5628
5629         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
5630         prefixed all values with IPA_. Changed all users.
5631         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
5632         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
5633         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
5634         (union parameter_info): Renamed to jump_func_value.
5635         (union jump_func_value): Renamed value to constant
5636         (struct ipa_jump_func): Renamed info_type to value
5637         (struct ipa_node): Renamed to ipa_node_params
5638         (struct ipa_node_params): Renamed ipa_arg_num to param_count
5639         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
5640         (struct ipa_node_params): Renamed ipa_mod to modified_flags
5641         (struct ipa_edge): Renamed to ipa_edge_args
5642         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
5643         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
5644         (struct ipa_methodlist): Renamed to ipa_func_list
5645         (struct ipa_func_list): method_p renamed to node, next_method
5646         renamed to next
5647         (ipa_methodlist_p): Removed, switched all users to struct pointer
5648         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
5649
5650 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
5651
5652         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
5653         (rs6000_emit_epilogue): Use backchain to restore only when we
5654         have a large frame.  Make use of frame pointer to restore if we
5655         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
5656
5657 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
5658
5659         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
5660         Add mode to zero_extract.
5661         (sign bit tests peepholes): (Ditto.).
5662
5663 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
5664
5665         * config/i386/i386.c (ix86_builtins): Replace Prescott New
5666         Instructions in comments with SSE3.
5667         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
5668         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
5669         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
5670         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
5671         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
5672         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
5673         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
5674         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
5675         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
5676         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
5677         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
5678         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
5679         (bdesc_sse_args): Renamed to ...
5680         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
5681         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
5682         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
5683         IX86_BUILTIN_FABSQ.
5684         (bdesc_1arg): Moved to ...
5685         (bdesc_args): Here.
5686         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
5687         Instructions in comments with SSE3.
5688         (ix86_expand_sse_operands_builtin): Renamed to ...
5689         (ix86_expand_args_builtin): This.  Updated.
5690         (ix86_expand_unop1_builtin): Update comments.
5691         (ix86_expand_builtin): Updated.
5692
5693 2008-04-29  Richard Guenther  <rguenther@suse.de>
5694
5695         PR tree-optimization/36078
5696         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
5697         Update virtual SSA form after cleaning up the CFG.
5698
5699 2008-04-29  Richard Guenther  <rguenther@suse.de>
5700
5701         PR middle-end/15255
5702         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
5703
5704 2008-04-29  Richard Guenther  <rguenther@suse.de>
5705
5706         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
5707         (compute_may_aliases): Do not call finalize_ref_all_pointers.
5708         (compute_flow_insensitive_aliasing): Do not treat
5709         PTR_IS_REF_ALL pointers special.
5710         (get_smt_for): Likewise.
5711         (may_alias_p): Re-structure.
5712         (is_escape_site): A ref-all pointer conversion is not an escape site.
5713         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
5714         PTR_IS_REF_ALL pointers special.
5715         * tree-ssa-structalias.h (struct alias_info): Remove
5716         ref_all_symbol_mem_tag field.
5717         (PTR_IS_REF_ALL): Remove.
5718
5719 2008-04-29  Richard Guenther  <rguenther@suse.de>
5720
5721         PR middle-end/36077
5722         * fold-const.c (extract_muldiv_1): In combining division constants
5723         make sure to never overflow.
5724
5725 2008-04-29  Nick Clifton  <nickc@redhat.com>
5726
5727         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
5728
5729 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5730
5731         PR bootstrap/35169
5732         * optc-gen.awk: Work around HP-UX/IA awk bug.
5733
5734 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
5735
5736         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
5737         2008-04-25 commit.
5738
5739 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
5740
5741         PR target/36073
5742         * config/i386/i386.md
5743         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
5744         Change operand 1 predicate to nonimmediate_operand.
5745
5746 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
5747
5748         PR debug/36060
5749         * dwarf2out.c (struct die_struct): Mark as chain_circular through
5750         die_sub field.
5751         * gengtype.c (walk_type, write_func_for_structure): Handle
5752         chain_circular.
5753         * doc/gty.texi: Document chain_circular.
5754
5755 2008-04-28  Richard Guenther  <rguenther@suse.de>
5756
5757         PR tree-optimization/36066
5758         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
5759         SCEV and loop.
5760
5761 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
5762
5763         PR target/36064
5764         * config/i386/i386.md
5765         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
5766         Use match_scratch instead of match_operand for operands 3 and 4.
5767
5768 2008-04-27  Richard Guenther  <rguenther@suse.de>
5769
5770         PR tree-optimization/18754
5771         PR tree-optimization/34223
5772         * tree-pass.h (pass_complete_unrolli): Declare.
5773         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
5774         loop size before and after unconditionally of UL_NO_GROWTH in effect.
5775         Rewrite loop into loop closed SSA form if it is not already.
5776         (tree_unroll_loops_completely): Re-structure to iterate over
5777         innermost loops with intermediate CFG cleanups.
5778         Unroll outermost loops only if requested or the code does not grow
5779         doing so.
5780         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
5781         loops are available.
5782         (tree_vectorize): Instead do so here.
5783         (tree_complete_unroll): Also unroll outermost loops.
5784         (tree_complete_unroll_inner): New function.
5785         (gate_tree_complete_unroll_inner): Likewise.
5786         (pass_complete_unrolli): New pass.
5787         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
5788         uses outside of the loop.
5789         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
5790         form if it is available.  
5791         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
5792         * passes.c (init_optimization_passes): Schedule complete inner
5793         loop unrolling pass before the first CCP pass after final inlining.
5794
5795 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
5796
5797         * targhooks.h (default_emutls_var_fields,
5798         default_emutls_var_init): Declare.
5799         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
5800         * target.h (struct gcc_target): Add struct emutls member.
5801         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
5802         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
5803         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
5804         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
5805         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
5806         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
5807         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
5808         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
5809         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
5810         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
5811         emit debug information.
5812         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
5813         * varasm.c: Include targhooks.h.
5814         (emutls_object_section, emutls_tmpl_section): New.
5815         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
5816         (EMUTLS_SEPARATOR): New.
5817         (prefix_name): New.
5818         (get_emutls_object_name): New.
5819         (default_emutls_var_fields): New, broken out of ...
5820         (get_emutls_object_type): ... here.  Adjust to use target hooks.
5821         (get_emutls_init_templ_addr): Adjust to use target hooks.
5822         (emutls_decl): Adjust to use target hooks.
5823         (emutls_finish): Likewise.
5824         (default_emutls_var_init): New, broken out of ...
5825         (assemble_variable): ... here.  Adjust to use target hooks.
5826         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
5827         SECCAT_EMUTLS_TMPL.
5828         * c-common.c (handle_section_attribute): Prevent overriding
5829         sections for emulated tls with special sections.
5830         * config/i386/i386.c (x86_64_elf_select_section): Add
5831         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
5832         (x86_64_elf_unique_section): Likewise.
5833         * config/vxworks.c: Include tree.h.
5834         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
5835         (vxworks_override_options): Set TLS scheme.
5836         * doc/tm.texi (Emulated TLS): New node.
5837
5838 2008-04-26  Simon Baldwin <simonb@google.com>
5839
5840         PR c/35652
5841         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
5842         with propagated string constants.
5843
5844 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
5845
5846         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
5847         constraint for operand 2 when operand 0 is memory operand.
5848         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
5849         operand 0 is memory operand.
5850         (fix_trunc<mode>_i387_with_temp): Ditto.
5851         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
5852         operand 2 when operand 1 is memory operand.
5853         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
5854         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
5855         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
5856         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
5857         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
5858         operands 2,3 and 4 when operand 1 is memory operand.
5859         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
5860         is memory operand.
5861         (fistdi2_floor_with_temp): Ditto.
5862         (fist<mode>2_floor_with_temp): Ditto.
5863         (fistdi2_ceil_with_temp): Ditto.
5864         (fist<mode>2_ceil_with_temp): Ditto.
5865         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
5866
5867 2008-04-26  David Daney  <ddaney@avtrex.com>
5868
5869         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
5870         unspec_volitile.
5871         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
5872         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
5873         UNSPEC_UPDATE_GOT_VERSION): Renumber.
5874         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
5875         (compare_and_swap_12): New insn.
5876         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
5877         * config/mips/mips.c (mips_force_binary): New function.
5878         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
5879         (mips_expand_compare_and_swap_12): New function.
5880         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
5881
5882 2008-04-25  Jan Hubicka  <jh@suse.cz>
5883
5884         PR testsuite/35843
5885         * cfgexpand.c (pass_expand): Turn into RTL pass.
5886         * passes.c (execute_one_pass): Do pass typechecking after execution.
5887         * tree-pass.h (pass_expand): Turn into RTL pass.
5888
5889         * function.h (struct rtl_data): Move here fields
5890         accesses_prior_frames, calls_eh_return, saves_all_registers,
5891         has_nonlocal_goto, has_asm_statement, is_thunk,
5892         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
5893         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
5894         arg_pointer_save_area_init from struct function; turn into bool.
5895         (struct function): Move
5896         calls_eh_return, saves_all_registers, has_nonlocal_goto,
5897         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
5898         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
5899         tail_call_emit, arg_pointer_save_area_init
5900         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
5901         (current_function_returns_struct, current_function_returns_pcc_struct,
5902         current_function_calls_setjmp, current_function_calls_alloca,
5903         current_function_accesses_prior_frames,
5904         current_function_calls_eh_return, current_function_is_thunk,
5905         current_function_stdarg, current_function_profile,
5906         current_function_limit_stack, current_function_uses_pic_offset_table,
5907         current_function_uses_const_pool, current_function_has_nonlocal_label,
5908         current_function_saves_all_registers,
5909         current_function_has_nonlocal_goto,
5910         current_function_has_asm_statement): Remove accesor macros.
5911         * ra-conflict.c (global_conflicts): Update.
5912         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
5913         (suitable_for_tail_call_opt_p): Update.
5914         * builtins.c (expand_builtin_return_addr): Update.
5915         (expand_builtin_setjmp_setup): Update.
5916         (expand_builtin_nonlocal_goto): Update.
5917         * final.c (final_start_function): Update.
5918         (profile_function): Update.
5919         (leaf_function_p): Update.
5920         (only_leaf_regs_used): Update.
5921         * df-scan.c (df_get_exit_block_use_set): Update.
5922         * dojump.c (clear_pending_stack_adjust): Update.
5923         * tree-stdarg.c (gate_optimize_stdarg): Update.
5924         * gimple-low.c (lower_function_body): Update.
5925         * global.c (compute_regsets): Update.
5926         (global_alloc): Update.
5927         * dwarf2out.c (dwarf2out_begin_prologue): Update.
5928         * expr.c (expand_assignment): Update.
5929         * dse.c (dse_step0): Update.
5930         (dse_step1): Update.
5931         * c-decl.c (store_parm_decls): Update.
5932         * local-alloc.c (combine_regs): Update.
5933         (find_free_reg): Update.
5934         * function.c (assign_parms_augmented_arg_list): Update.
5935         (assign_parm_find_data_types): Update.
5936         (assign_parms): Update.
5937         (allocate_struct_function): Update.
5938         (expand_function_start): Update.
5939         (expand_function_end): Update.
5940         (get_arg_pointer_save_area): Update.
5941         (thread_prologue_and_epilogue_insns): Update.
5942         (rest_of_match_asm_constraints): Update.
5943         * stor-layout.c (variable_size): Update.
5944         * gcse.c (gcse_main): Update.
5945         (bypass_jumps): Update.
5946         * gimplify.c (gimplify_function_tree): Update.
5947         * calls.c (emit_call_1): Update.
5948         (expand_call): Update.
5949         * bt-load.c (compute_defs_uses_and_gen): Update.
5950         * except.c (sjlj_assign_call_site_values): Update.
5951         (sjlj_emit_function_enter): Update.
5952         (can_throw_external): Update.
5953         (set_nothrow_function_flags): Update.
5954         (expand_builtin_unwind_init): Update.
5955         (expand_eh_return): Update.
5956         (convert_to_eh_region_ranges): Update.
5957         (output_function_exception_table): Update.
5958         * emit-rtl.c (gen_tmp_stack_mem): Update.
5959         * cfgexpand.c (expand_used_vars): Update.
5960         (tree_expand_cfg): Update.
5961         * cfgcleanup.c (rest_of_handle_jump): Update.
5962         * explow.c (allocate_dynamic_stack_space): Update.
5963         * varasm.c (assemble_start_function): Update.
5964         (force_const_mem): Update.
5965         (mark_constant_pool): Update.
5966         * tree-optimize.c (tree_rest_of_compilation): Update.
5967         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
5968         * tree-cfg.c (notice_special_calls): Update.
5969         (is_ctrl_altering_stmt): Update.
5970         (tree_can_make_abnormal_goto): Update.
5971         (tree_purge_dead_abnormal_call_edges): Update.
5972         * config/alpha/predicates.md: Update.
5973         * config/alpha/alpha.c (alpha_sa_mask): Update.
5974         (alpha_sa_size): Update.
5975         (alpha_does_function_need_gp): Update.
5976         (alpha_expand_prologue): Update.
5977         (alpha_start_function): Update.
5978         (alpha_output_function_end_prologue): Update.
5979         (alpha_expand_epilogue): Update.
5980         * config/frv/frv.c (frv_stack_info): Update.
5981         (frv_expand_epilogue): Update.
5982         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
5983         (s390_register_info): Update.
5984         (s390_frame_info): Update.
5985         (s390_init_frame_layout): Update.
5986         (s390_can_eliminate): Update.
5987         (save_gprs): Update.
5988         * config/spu/spu.c (spu_split_immediate): Update.
5989         (need_to_save_reg): Update.
5990         (spu_expand_prologue): Update.
5991         (spu_expand_epilogue): Update.
5992         * config/sparc/sparc.md: Update.
5993         * config/sparc/sparc.c (eligible_for_return_delay): Update.
5994         (sparc_tls_got): Update.
5995         (legitimize_pic_address): Update.
5996         (sparc_emit_call_insn): Update.
5997         (sparc_expand_prologue): Update.
5998         (output_return): Update.
5999         (print_operand): Update.
6000         (sparc_function_ok_for_sibcall): Update.
6001         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
6002         * config/m32r/m32r.md: Update.
6003         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
6004         (m32r_compute_frame_size): Update.
6005         (m32r_expand_prologue): Update.
6006         (m32r_expand_epilogue): Update.
6007         (m32r_legitimize_pic_address): Update.
6008         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
6009         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
6010         * config/i386/i386.c (ix86_frame_pointer_required): Update.
6011         (gen_push): Update.
6012         (ix86_save_reg): Update.
6013         (ix86_compute_frame_layout): Update.
6014         (ix86_expand_prologue): Update.
6015         (ix86_expand_epilogue): Update.
6016         * config/sh/sh.c (output_stack_adjust): Update.
6017         (calc_live_regs): Update.
6018         (sh5_schedule_saves): Update.
6019         (sh_expand_prologue): Update.
6020         (sh_expand_epilogue): Update.
6021         (sh_setup_incoming_varargs): Update.
6022         (sh_allocate_initial_value): Update.
6023         (sh_get_pr_initial_val): Update.
6024         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
6025         * config/sh/sh.md (label:): Update.
6026         * config/avr/avr.c (out_movhi_mr_r): Update.
6027         * config/crx/crx.h (enum): Update.
6028         * config/xtensa/xtensa.h (along): Update.
6029         * config/stormy16/stormy16.c Update.
6030         (xstormy16_compute_stack_layout): Update.
6031         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
6032         (fr30_expand_prologue): Update.
6033         * config/cris/cris.c (cris_conditional_register_usage): Update.
6034         (cris_reg_saved_in_regsave_area): Update.
6035         (cris_initial_frame_pointer_offset): Update.
6036         (cris_simple_epilogue): Update.
6037         (cris_expand_prologue): Update.
6038         (cris_expand_epilogue): Update.
6039         (cris_expand_pic_call_address): Update.
6040         (cris_asm_output_symbol_ref): Update.
6041         (cris_asm_output_label_ref): Update.
6042         * config/cris/cris.md Update.
6043         * config/iq2000/iq2000.c (compute_frame_size): Update.
6044         (iq2000_expand_epilogue): Update.
6045         * config/mt/mt.h (save_direction): Update.
6046         * config/mn10300/mn10300.c (mn10300_function_value): Update.
6047         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
6048         (ia64_secondary_reload_class): Update.
6049         * config/m68k/m68k.c (m68k_save_reg): Update.
6050         (m68k_expand_prologue): Update.
6051         (m68k_expand_epilogue): Update.
6052         (legitimize_pic_address): Update.
6053         * config/rs6000/rs6000.c (rs6000_got_register): Update.
6054         (first_reg_to_save): Update.
6055         (first_altivec_reg_to_save): Update.
6056         (compute_vrsave_mask): Update.
6057         (compute_save_world_info): Update.
6058         (rs6000_stack_info): Update.
6059         (spe_func_has_64bit_regs_p): Update.
6060         (rs6000_ra_ever_killed): Update.
6061         (rs6000_emit_eh_reg_restore): Update.
6062         (rs6000_emit_allocate_stack): Update.
6063         (rs6000_emit_prologue): Update.
6064         (rs6000_emit_epilogue): Update.
6065         (rs6000_output_function_epilogue): Update.
6066         (output_profile_hook): Update.
6067         (rs6000_elf_declare_function_name): Update.
6068         * config/rs6000/rs6000.h (rs6000_args): Update.
6069         * config/rs6000/rs6000.md: Update.
6070         * config/mcore/mcore.c (mcore_expand_prolog): Update.
6071         * config/arc/arc.c (arc_output_function_epilogue): Update.
6072         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
6073         * config/darwin.c (machopic_function_base_name): Update.
6074         * config/score/score3.c (score3_compute_frame_size): Update.
6075         (rpush): Update.
6076         (rpop): Update.
6077         (score3_epilogue): Update.
6078         * config/score/score7.c (score7_compute_frame_size): Update.
6079         (score7_prologue): Update.
6080         (score7_epilogue): Update.
6081         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
6082         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
6083         * config/arm/arm.c (use_return_insn): Update.
6084         (require_pic_register): Update.
6085         (arm_load_pic_register): Update.
6086         (arm_compute_save_reg0_reg12_mask): Update.
6087         (arm_compute_save_reg_mask): Update.
6088         (thumb1_compute_save_reg_mask): Update.
6089         (output_return_instruction): Update.
6090         (arm_output_function_prologue): Update.
6091         (arm_output_epilogue): Update.
6092         (arm_get_frame_offsets): Update.
6093         (arm_expand_prologue): Update.
6094         (thumb_pushpop): Update.
6095         (thumb_exit): Update.
6096         (thumb1_expand_prologue): Update.
6097         (thumb1_expand_epilogue): Update.
6098         (arm_unwind_emit): Update.
6099         (arm_output_fn_unwind): Update.
6100         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
6101         * config/arm/arm.md: Update.
6102         * config/pa/pa.md: Update.
6103         * config/pa/pa.c (legitimize_pic_address): Update.
6104         (compute_frame_size): Update.
6105         (hppa_expand_prologue): Update.
6106         (hppa_expand_epilogue): Update.
6107         (borx_reg_operand): Update.
6108         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
6109         (HARD_REGNO_RENAME_OK): Update.
6110         * config/mips/mips.c (mips_global_pointer): Update.
6111         (mips_save_reg_p): Update.
6112         (mips_compute_frame_info): Update.
6113         (mips_frame_pointer_required): Update.
6114         (mips_expand_prologue): Update.
6115         (mips_expand_epilogue): Update.
6116         (mips_can_use_return_insn): Update.
6117         (mips_reorg_process_insns): Update.
6118         * config/v850/v850.c (compute_register_save_size): Update.
6119         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
6120         * config/mmix/mmix.c (along): Update.
6121         (mmix_expand_epilogue): Update.
6122         * config/bfin/bfin.c (legitimize_pic_address): Update.
6123         (must_save_p): Update.
6124         (stack_frame_needed_p): Update.
6125         (add_to_reg): Update.
6126         (bfin_expand_prologue): Update.
6127         * stmt.c (expand_asm_operands): Update.
6128         * reload1.c (reload): Update.
6129         (init_elim_table): Update.
6130
6131 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
6132         
6133         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
6134         
6135 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
6136
6137         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
6138         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
6139         (mov<mode>): Removed.
6140         (*movv4sf_internal): Likewise.
6141         (*movv2df_internal): Likewise.
6142
6143 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
6144
6145         * config.gcc (crx-*-elf): Remove deprecation.
6146
6147 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
6148
6149         * config/i386/cygming-crtend.c (register_frame_ctor): Register
6150         __gcc_deregister_frame with atexit.
6151         (deregister_frame_dtor): Remove.
6152
6153 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
6154             Nathan Sidwell  <nathan@codesourcery.com>
6155
6156         * config/rs6000/rs6000.opt (mspe): Remove Var property.
6157         (misel): Likewise.
6158         * config/rs6000/rs6000.h (rs6000_spe): Declare.
6159         (rs6000_isel): Likewise.
6160         * config/rs6000/rs6000.c (rs6000_spe): New variable.
6161         (rs6000_isel): New variable.
6162         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
6163
6164 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
6165
6166         PR c++/35758
6167         * c-common.c (handle_vector_size_attribute): Call
6168         lang_hooks.types.reconstruct_complex_type instead of
6169         reconstruct_complex_type.
6170         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
6171         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
6172         * langhooks.h (struct lang_hooks_for_types): Add
6173         reconstruct_complex_type hook.
6174         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
6175         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
6176
6177 2008-04-24  Richard Guenther  <rguenther@suse.de>
6178
6179         * c-common.h (check_builtin_function_arguments): Declare.
6180         * c-common.c (validate_nargs): New function.
6181         (check_builtin_function_arguments): Likewise.
6182         * c-typeck.c (build_function_call): Call
6183         check_builtin_function_arguments.
6184         * builtins.c (fold_builtin_classify): Remove error reporting code.
6185         (fold_builtin_unordered_cmp): Likewise.
6186         (fold_builtin_1): Likewise.
6187         (fold_builtin_n): Likewise.
6188
6189 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
6190
6191         PR tree-optimization/36008
6192         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
6193         the original op1, rather than delta by step.
6194
6195 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
6196             Sebastian Pop  <sebastian.pop@amd.com>
6197
6198         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6199         eliminate_local_variables_stmt, eliminate_local_variables,
6200         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6201         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6202         of code delimited by two edges in the CFG.
6203         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6204         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6205         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
6206         the case of parallelisation of reductions.
6207         (expr_invariant_in_region_p): New.
6208
6209         * tree-flow.h (gather_blocks_in_sese_region): Declared.
6210         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6211
6212 2008-04-24  Ira Rosen  <irar@il.ibm.com>
6213             Richard Guenther  <rguenther@suse.de>
6214
6215         PR tree-optimization/36034
6216         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
6217         incapable of dealing with loads with gaps.
6218
6219 2008-04-24  Rafael Espindola  <espindola@google.com>
6220
6221         * tree-flow.h (vrp_evaluate_conditional): Change signature.
6222         * tree-ssa-propagate.c (fold_predicate_in): Update call to
6223         vrp_evaluate_conditional.
6224         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
6225         (vrp_evaluate_conditional): Split the cond argument.
6226         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
6227         (simplify_stmt_for_jump_threading): Update call to
6228         vrp_evaluate_conditional.
6229
6230 2008-04-24  Ira Rosen  <irar@il.ibm.com>
6231
6232         PR tree-optimization/35982
6233         * tree-vect-analyze.c (vect_check_interleaving): Check that the
6234         interleaved data-refs are of the same type.
6235
6236 2008-04-24  Danny Smith  <dannysmith@users.net>
6237
6238         * c-format.c (check_format_info_main): Use strncmp rather than a
6239         magic prefix to handle multichar length specs.
6240         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
6241         Don't prefix "I64" and "I32" with '\0'.
6242
6243 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
6244
6245         PR target/36015
6246         * config/i386/i386.c (init_cumulative_args): Don't pass anything
6247         in registers for -m32 only if stdarg_p (fntype).
6248
6249 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
6250
6251         PR rtl-optimization/36006
6252         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
6253         temp to op0 in order to avoid invalid rtx sharing.
6254
6255 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6256
6257         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
6258         check TREE_INVARIANT.
6259         * tree-gimple.c (is_gimple_address): New.
6260         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
6261         * tree-gimple.h (is_gimple_address): New.
6262         * tree.h (decl_address_invariant_p): New.
6263         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
6264         (build_string): Likewise.
6265         (decl_address_invariant_p): New, from is_gimple_invariant_address.
6266         (tree_invariant_p_1): Likewise.
6267         (save_expr): Use it.
6268         (tree_invariant_p): New.
6269         (skip_simple_arithmetic): Use it.
6270         (stabilize_reference_1): Use it.
6271         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
6272         simplify.
6273         (build1_stat): Drop code to compute TREE_INVARIANT.
6274         (build2_stat): Drop code to compute TREE_INVARIANT.
6275         (build3_stat): Drop code to compute TREE_INVARIANT.
6276         (build4_stat): Drop code to compute TREE_INVARIANT.
6277         (build5_stat): Drop code to compute TREE_INVARIANT.
6278         (build7_stat): Drop code to compute TREE_INVARIANT.
6279         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
6280         * tree.h (struct tree_base): Remove invariant_flag.
6281         (TREE_INVARIANT): Remove.
6282         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
6283         (fold_builtin_expect): Check TREE_CONSTANT.
6284         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
6285         * c-tree.h (c_expr_to_decl): Drop third parameter.
6286         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
6287         (build_c_cast): Don't set TREE_INVARIANT.
6288         (pop_init_level): Don't set TREE_INVARIANT.
6289         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
6290         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
6291         TREE_CONSTANT.
6292         (gimplify_init_constructor): Don't set TREE_INVARIANT.
6293         (gimplify_addr_expr): Adjust comment.
6294         * tree-mudflap.c (mf_build_string):
6295         * print-tree.c (print_node): Don't print TREE_INVARIANT.
6296         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
6297         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
6298         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
6299         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
6300         * langhooks.h (struct lang_hooks): Drop third parameter from
6301         expr_to_decl.
6302
6303 2008-04-23  Richard Guenther  <rguenther@suse.de>
6304
6305         PR tree-optimization/27799
6306         PR tree-optimization/32921
6307         PR tree-optimization/32624
6308         * tree-ssa-structalias.c (merge_smts_into): Only merge the
6309         SMTs aliases and the tag itself into the solution.
6310         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
6311         merge the points-to solution back into the SMT aliases.
6312         (may_alias_p): Use alias_set_subset_of instead of
6313         aliases_conflict_p.  A pointer which points to
6314         memory with alias set zero may access any variable.
6315
6316 2008-04-23  Richard Guenther  <rguenther@suse.de>
6317
6318         * alias.c (alias_set_subset_of): Correctly handle asking
6319         if zero is a subset of an alias set with zero child.
6320         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
6321         (compute_flow_insensitive_aliasing): Correctly walk all
6322         pointers.  Do not unnecessarily union sets.
6323
6324 2008-04-23  Richard Guenther  <rguenther@suse.de>
6325
6326         PR middle-end/36021
6327         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
6328
6329 2008-04-22  Tomas Bily  <tbily@suse.cz>
6330
6331         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
6332         unreachable case.
6333         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
6334         NON_LVALUE_EXPR.
6335         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
6336         * tree-ssa-structalias.c (get_constraint_for): Likewise.
6337         * tree-inline.c (estimate_num_insns_1): Likewise.
6338         * varasm.c (const_hash_1, compare_constant, copy_constant)
6339         (compute_reloc_for_constant, output_addressed_constants): Likewise.
6340         * emit-rtl.c (component_ref_for_mem_expr)
6341         (set_mem_attributes_minus_bitpos): Likewise.
6342         * expr.c (highest_pow2_factor, expand_expr_real_1, )
6343         (is_aligning_offset): Likewise.
6344         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
6345         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
6346         * dojump.c (do_jump): Likewise.
6347         * builtins.c (get_pointer_alignment, get_memory_rtx)
6348         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
6349         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
6350
6351 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
6352
6353         PR rtl-optimization/36017
6354         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
6355         expanding the library call.
6356
6357 2008-04-22  Ian Lance Taylor  <iant@google.com>
6358
6359         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
6360         than size_in_bytes.
6361
6362 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
6363
6364         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
6365         of LR/CTR moves for Power6.
6366
6367 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
6368
6369         PR middle-end/36003
6370         * passes.c (init_optimization_passes): Remove
6371         pass_fast_rtl_byte_dce.
6372         
6373 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
6374
6375         PR target/29096
6376         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
6377         builtin functions to generate faster code.
6378         (_mm_cvtpu16_ps): Ditto.
6379         (_mm_cvtpi32x2_ps): Ditto.
6380
6381 2008-04-22  Nick Clifton  <nickc@redhat.com>
6382
6383         * common.opt (ftree-loop-distribution): Add Optimization
6384         attribute.
6385
6386         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
6387         (frv_expand_builtin_va_start): Likewise.
6388
6389         * config/arm/arm.c (thumb_find_work_register): Fix location of
6390         argument register count.
6391
6392 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
6393
6394         Support scheduling for ColdFire V1 and V3 microarchitecture.
6395         Improve scheduling of multiplication instructions.
6396
6397         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
6398         (mac): New instruction attribute.
6399         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
6400         (m68k_sched_mac): New variable.
6401         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
6402         Handle cfv1 and cfv3.
6403         (max_insn_size): New static variable.
6404         (struct _sched_ib): New type.
6405         (sched_ib): New static variable.
6406         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
6407         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
6408         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
6409         Update.
6410         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
6411         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
6412         new variables.  Update.
6413         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
6414         Add modeling of cfv3 instruction buffer.  Update.
6415         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
6416         * config/m68k/m68k.h (TUNE_CFV3): New macro.
6417         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
6418         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
6419         a particular reservation applies to.
6420         (type2): Reorganize attribute values.  Rename alu to alu_reg,
6421         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
6422         to mul_l and mul_w.
6423         (cf_ib_*): Simplify description of instruction buffer.
6424         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
6425         (cf_mem): Split into cf_mem1 and cf_mem2.
6426         (cf_v2_move_??): Rename to cfv12_alu_??.
6427         (cf_v2_move_l_??): Rename to cfv12_omove_??.
6428         (cf_v2_mul_??): Remove reservations.
6429         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
6430         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
6431         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
6432         appropriate place.
6433         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
6434         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
6435         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
6436         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
6437         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
6438         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
6439         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
6440         expansions of the above reservations for instructions of sizes
6441         1, 2 and 3 words.
6442
6443 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
6444
6445         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
6446
6447 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
6448
6449         * coverage.c: Include tree-pass.h.
6450         (coverage_counter_alloc): Print da_file_name to the dump file.
6451
6452 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
6453
6454         * sbitmap.c (sbitmap_range_empty_p): New function.
6455         * sbitmap.h (sbitmap_range_empty_p): New function.
6456         * bitmap.h: Now includes obstack.h.
6457
6458 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
6459             Kenneth Zadeck  <zadeck@naturalbridge.com>
6460
6461         * dbgcnt.def (ra_byte_scan): Added.
6462         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
6463         when the last hit happens for a counter.  
6464         * timevar.def (TV_DF_BYTE_LR): New variable.
6465         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
6466         * passes.c (pass_fast_rtl_byte_dce): New pass.
6467         * fwprop.c (update_df): Added mode to call df_ref_create.
6468         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
6469         DF_REF_EXTRACT_OFFSET.
6470         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
6471         DF_BYTE_LR_OUT, df_byte_lr): New macro.
6472         (df_mm): New enum.
6473         (df_ref_extract): Added mode field.
6474         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
6475         DF_REF_EXTRACT_OFFSET.
6476         (DF_REF_EXTRACT_MODE): New macro.
6477         (df_byte_lr_bb_info): New structure.
6478         (df_print_byte_regset, df_compute_accessed_bytes, 
6479         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
6480         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
6481         df_byte_lr_simulate_uses,
6482         df_byte_lr_simulate_artificial_refs_at_top,
6483         df_byte_lr_simulate_artificial_refs_at_end,
6484         df_compute_accessed_bytes): New function.
6485         (df_ref_create): Add parameter.
6486         (df_byte_lr_get_bb_info): New inline function.
6487         * df-scan.c (df_ref_record, df_uses_record,
6488         df_ref_create_structure): Added mode parameter.
6489         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
6490         df_defs_record, df_uses_record, df_get_conditional_uses,
6491         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
6492         df_entry_block_defs_collect, df_exit_block_uses_collect):
6493         Added mode parameter to calls to df_ref_record, df_uses_record,
6494         df_ref_create_structure.
6495         (df_ref_equal_p, df_ref_compare): Added test for modes.
6496         (df_ref_create_structure): Added code to set mode.  Renamed
6497         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
6498         DF_REF_EXTRACT_OFFSET.
6499         * df-core.c (df_print_byte_regset): New function.
6500         * df-byte-scan.c: New file.
6501         * df-problems.c (df_rd_transfer_function): Removed unnecessary
6502         calls to BITMAP_FREE.  
6503         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
6504         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
6505         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
6506         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
6507         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
6508         df_byte_lr_local_compute, df_byte_lr_init,
6509         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
6510         df_byte_lr_transfer_function, df_byte_lr_free, 
6511         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
6512         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
6513         df_byte_lr_simulate_uses,
6514         df_byte_lr_simulate_artificial_refs_at_top,
6515         df_byte_lr_simulate_artificial_refs_at_end): New function.
6516         * dce.c (byte_dce_process_block): New function.
6517         (dce_process_block): au is now passed in rather than computed
6518         locally.  Changed loops that look at artificial defs to not look
6519         for conditional or partial ones, because there never are any.  
6520         (fast_dce): Now is able to drive byte_dce_process_block or 
6521         dce_process_block depending on the kind of dce being done.
6522         (rest_of_handle_fast_dce): Add parameter to fast_dce.
6523         (rest_of_handle_fast_byte_dce): New function.
6524         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
6525         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
6526
6527 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
6528
6529         PR fortran/35019
6530         * gcc.h: Added fortran options that take arguments to
6531         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
6532         macros.
6533
6534 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
6535
6536         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
6537         scalarization if on the LHS and not a full access.
6538
6539 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6540
6541         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
6542
6543 2008-04-18  Rafael Espindola  <espindola@google.com>
6544
6545         * tree-vrp.c (find_case_label_index): Fix the binary search.
6546         (find_case_label_range): New.
6547         (vrp_visit_switch_stmt): Use find_case_label_range.
6548         (simplify_switch_using_ranges): Use find_case_label_range.
6549
6550 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
6551
6552         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
6553         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
6554
6555 2008-04-18  Tom Tromey  <tromey@redhat.com>
6556
6557         PR libcpp/15500:
6558         * doc/cpp.texi (Implementation-defined behavior): Mention
6559         -finput-charset.
6560
6561 2008-04-18  Ian Lance Taylor  <iant@google.com>
6562
6563         * fold-const.c (pointer_may_wrap_p): New static function.
6564         (fold_comparison): Add another test for pointer overflow.  Use
6565         pointer_may_wrap_p to disable some false positives.
6566
6567 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
6568           
6569         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
6570         (fname_as_string): Match updated cpp_interpret_string prototype.
6571         (fix_string_type): Support char16_t* and char32_t*.
6572         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
6573         derivative) nodes.  Register as builtin if C++0x.
6574         (c_parse_error): Support CPP_CHAR{16,32}.
6575         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
6576         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
6577         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
6578         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
6579         CTI_CHAR32_ARRAY_TYPE>: New elements.
6580         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
6581         char32_type_node, signed_char32_type_node, char16_array_type_node,
6582         char32_array_type_node): New defines.
6583         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
6584         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
6585         (lex_string): Support CPP_STRING{16,32}, match updated
6586         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
6587         (lex_charconst): Support CPP_CHAR{16,32}.
6588         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
6589         and CPP_STRING{16,32}.
6590
6591 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
6592
6593         PR bootstrap/35457
6594         * aclocal.m4: Regenerate.
6595         * configure: Regenerate.
6596
6597 2008-04-18  Jan Hubicka  <jh@suse.cz>
6598
6599         * except.c (dw2_size_of_call_site_table,
6600         sjlj_size_of_call_site_table): Use vector API for call_site_record.
6601
6602         * cgraphbuild.c (build_cgraph_edges): Update.
6603         * tree-pass.h: Update comment.
6604         * final.c (leaf_function_p): Update.
6605         (leaf_renumber_regs): Update.
6606         (rest_of_clean_state): Update.
6607         * omp-low.c (expand_omp_parallel): Update.
6608         * ipa-reference.c (analyze_function): Update.
6609         * reorg.c (find_end_label): Update.
6610         (optimize_skip): Update.
6611         (fill_simple_delay_slots): Update.
6612         (fill_simple_delay_slots): Update.
6613         (make_return_insns): Update.
6614         (dbr_schedule): Update.
6615         * gimple-low.c (record_vars_into): Update.
6616         * cfgbuild.c (make_edges): Update.
6617         * function.c (assign_stack_local): Update.
6618         (assign_parm_adjust_stack_rtl): Update.
6619         (locate_and_pad_parm): Update.
6620         (allocate_struct_function): Do not initialize stack_alignment_needed
6621         and preferred_stack_boundary here.
6622         (stack_protect_prologue): Update.
6623         (stack_protect_epilogue): Update.
6624         (expand_function_start): Initialize stack_alignment_needed,
6625         preferred_stack_boundary and max_jumptable_ents.
6626         (expand_function_end): Update.
6627         (free_after_compilation): Do not NULLify epilogue_delay_list.
6628         * function.h (struct rtl_data): Add stack_protect_guard,
6629         stack_alignment_needed,
6630         preferred_stack_boundary, epilogue_delay_list.
6631         (struct function): Remove value_histograms, stack_alignment_needed,
6632         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
6633         last_label_uid,
6634         unexpanded_var_list, stack_protect_guard.
6635         (current_function_epilogue_delay_list): Remove.
6636         * ipa-type-escape.c (analyze_function): Update.
6637         * gimplify.c (pop_gimplify_context): Update comment.
6638         * calls.c (expand_call): Update.
6639         (emit_library_call_value_1): Update.
6640         * except.c (set_nothrow_function_flags): Update.
6641         * cfgexpand.c (get_decl_align_unit): Update.
6642         (create_stack_guard): Update.
6643         (estimated_stack_frame_size): Update.
6644         (expand_used_vars): Update.
6645         (tree_expand_cfg): Free histogram earliers, init expansion variables.
6646         * explow.c (allocate_dynamic_stack_space): Update.
6647         * tree-ssa-live.c (remove_unused_locals): Update.
6648         * varasm.c (mark_constant_pool): Update.
6649         * tree-inline.c (remap_decls): Update.
6650         (initialize_cfun): Update.
6651         (declare_return_variable): Update.
6652         (inline_forbidden_p): Update.
6653         (expand_call_inline): Update.
6654         (declare_inline_vars): Update.
6655         (tree_function_versioning): Update.
6656         * tree-flow.h (value_histograms): New.
6657         (VALUE_HISTOGRAMS): New macro.
6658         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
6659         last_label_uid.
6660         * tree-cfg.c (set_bb_for_stmt): Update.
6661         (replace_by_duplicate_decl): Update.
6662         (move_block_to_fn): Update.
6663         (new_label_mapper): Update.
6664         (dump_function_to_file): Update.
6665         * ipa-struct-reorg.c (build_data_structure): Update.
6666         * cfgrtl.c (print_rtl_with_bb): Update.
6667         * reload1.c (reload): Update.
6668         (reload): Update.
6669         * config/i386/i386.c (setup_incoming_varargs_64,
6670         ix86_compute_frame_layout): Update.
6671         * config/arc/arc.c (arc_output_function_epilogue): Update.
6672
6673 2008-04-18  Marius Strobl <marius@FreeBSD.org>
6674
6675         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
6676         for FreeBSD as well.
6677         * gthr-posix95.h: Likewise.
6678
6679 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
6680
6681         PR rtl-optimization/35838
6682         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
6683         out the byte offset of the first subreg.
6684
6685 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
6686
6687         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
6688         to split_ti instead of three separate calls with single member arrays.
6689         (subti3 splitter): Ditto.
6690         (adddi3 splitter): Ditto with split_di.
6691         (subdi3 splitter): Ditto.
6692         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
6693         two separate calls with single member arrays.  Swap match_dup
6694         operands 1 and 2 to better fit into the array.
6695         (negdi2 splitter): Ditto with split_di.
6696         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
6697         two separate calls with single member arrays.  Swap match_dup operands
6698         6 and 7 to better fit into the array.
6699
6700 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
6701
6702         * config/i386/i386.c (sse_builtin_type): New.
6703         (bdesc_sse_args): Likewise.
6704         (bdesc_sse_3arg): Removed.
6705         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
6706         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
6707         IX86_BUILTIN_ROUNDPS.
6708         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
6709         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
6710         IX86_BUILTIN_ROUNDPS.
6711         (ix86_expand_sse_4_operands_builtin): Removed.
6712         (ix86_expand_sse_operands_builtin): New.
6713         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
6714         and CODE_FOR_sse4_1_roundps.
6715         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
6716         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
6717
6718 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
6719
6720         PR target/35907
6721         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
6722         regs before frame pop when needed.  If use_backchain_to_restore_sp
6723         then load backchain into a temp reg to restore vr and vrsave.  Add
6724         code to restore vr after frame pop if possible.
6725
6726 2008-04-17  Richard Guenther  <rguenther@suse.de>
6727
6728         * tree-vn.c (expressions_equal_p): Do not check type
6729         equality or compatibility before calling operand_equal_p.
6730         * fold-const.c (operand_equal_p): Check equivalence of
6731         integer constants before bailing out due to signedness or
6732         precision differences.
6733         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
6734         spurious differences in type qualification.  Ignore types
6735         for COMPONENT_REFs at all.
6736
6737 2008-04-17  Christian Bruel  <christian.bruel@st.com>
6738
6739         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
6740         msw_skip comparison.
6741         
6742 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
6743
6744         PR c/35739
6745         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
6746         reg type.
6747
6748         PR tree-optimization/35899
6749         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
6750         rather than TREE_OPERAND.
6751
6752 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
6753
6754         PR target/35944
6755         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
6756         temporary registers.  Change operand predicate to general_operand.
6757         (remainderxf3): Ditto.
6758
6759 2008-04-16  Richard Guenther  <rguenther@suse.de>
6760
6761         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
6762         * tree-affine.c (aff_combination_expand): Look through some
6763         conversions.
6764
6765 2008-04-15  Doug Kwan  <dougkwan@google.com>
6766
6767         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
6768         for hex printing.
6769         * tree-pretty-print.c (dump_generic_node): Ditto.
6770         * final.c (output_addr_const): Ditto.
6771         * dwarf2out.c (output_cfi): Ditto.
6772         * c-pretty-print.c (pp_c_integer_constant): Ditto.
6773         * print-rtl.c (print_rtx): Ditto.
6774         * print-tree.c (print_node_brief, print_node): Ditto.
6775         * c-common.c (match_case_to_enum_1): Ditto.
6776         * sched-vis.c (print_value): Ditto.
6777         * config/i386/i386.c (print_operand): Cast to long unsigned int
6778         for hex printing.
6779
6780 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
6781         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
6782         MS Windows VirtualProtect function.
6783
6784 2008-04-15  Jan Hubicka  <jh@suse.cz>
6785
6786         * gengtype.c (write_root): Param_is argument is OK.
6787         * expr.c (expand_expr_real_1): Update call of get_exception_*.
6788         * function.h: Include varray.h
6789         (rtl_eh): New stucture based on except.c one.
6790         (call_site_record): New forward declaration and vector type.
6791         * calls.c (emit_call_1): Do not call
6792         note_current_region_may_contain_throw.
6793         * except.c (eh_status): Remove cur_region, try_region since they are
6794         unused.
6795         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
6796         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
6797         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
6798         Remove call_site_data_used, call_site_data_size.
6799         Turn call_site_record into vector in function.h.
6800         (note_current_region_may_contain_throw): Remove.
6801         (get_exception_pointer, get_exception_filter): Do not take struct
6802         function argument; update.
6803         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
6804         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
6805         build_post_landing_pads, dw2_build_landing_pads,
6806         sjlj_assign_call_site_values, sjlj_mark_call_sites,
6807         sjlj_emit_function_enter, sjlj_emit_function_enter, 
6808         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
6809         sjlj_build_landing_pads, finish_eh_generation,
6810         remove_exception_handler_label, remove_eh_handler,
6811         maybe_remove_eh_handler, add_reachable_handler,
6812         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
6813         add_action_record, collect_one_action_chain, add_call_site,
6814         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
6815         sjlj_output_call_site_table, output_function_exception_table,
6816         * except.h (note_current_region_may_contain_throw): Remove
6817         (get_exception_pointer, get_exception_filter): Do not take struct
6818         function argument.
6819         * Makefile.in (GTFILES): Put varargs before struct function.
6820
6821 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
6822
6823         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
6824         punt for STRING_CST.
6825         (get_constraint_for): Deal with STRING_CST here instead.
6826
6827 2008-04-15  Richard Guenther  <rguenther@suse.de>
6828
6829         * tree-ssa-propagate.c (substitute_and_fold): Substitute
6830         statements in a basic-block with a backward walk.  Do not
6831         substitute into dead statements but instead remove those.
6832
6833 2008-04-15  Richard Guenther  <rguenther@suse.de>
6834
6835         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
6836         to zero, thus disable creation of SFTs.
6837
6838 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
6839
6840         * tree-predcom.c (suitable_reference_p): Return false if the
6841         reference can throw.
6842
6843 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
6844
6845         PR c/35751
6846         * c-decl.c (finish_decl): If extern or static var has variable
6847         size, set TREE_TYPE (decl) to error_mark_node.
6848
6849 2008-04-15  Rafael Espindola  <espindola@google.com>
6850
6851         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
6852         variable arg1.
6853
6854 2008-04-15  Richard Guenther  <rguenther@suse.de>
6855
6856         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
6857         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
6858         (visit_reference_op_load): Do walk vuse-vdef chains on
6859         vn_reference_lookup.
6860         (visit_reference_op_store): But do not here.
6861         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
6862         vn_reference_lookup.
6863         (vn_lookup_with_vuses): But do so here.
6864
6865 2008-04-14  Ian Lance Taylor  <iant@google.com>
6866
6867         * fold-const.c (fold_overflow_warning): Remove assertion.
6868
6869 2008-04-15  Ben Elliston  <bje@au.ibm.com>
6870
6871         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
6872         temp1 local variables.
6873
6874 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
6875
6876         PR target/35661
6877         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
6878         ".text.unlikely" section as executable.
6879
6880 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
6881
6882         * config/ia64/ia64.c (rtx_needs_barrier): Handle
6883         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
6884         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
6885         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
6886         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
6887         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
6888         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
6889
6890 2008-04-14  Ian Lance Taylor  <iant@google.com>
6891
6892         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
6893         * fold-const.c (fold_comparison): If appropriate, test
6894         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
6895         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
6896         reassociating a pointer type.
6897         * doc/invoke.texi (Optimize Options): Document that
6898         -fstrict-overflow applies to pointer wraparound.
6899
6900 2008-04-13  Jan Hubicka  <jh@suse.cz>
6901
6902         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
6903
6904 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
6905
6906         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
6907         we are going to "save the world".
6908
6909 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
6910
6911         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
6912         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
6913         operand 0 constraint, not "=".
6914
6915 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
6916
6917         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
6918
6919 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6920
6921         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
6922         of size of positions_needed * CHAR_BIT.
6923
6924 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6925
6926         PR middle-end/35897
6927         * dse.c (store_info): Change positions_needed to unsigned
6928         HOST_WIDE_INT.
6929         (lowpart_bitmask): New.
6930         (record_store): Cast to unsigned HOST_WIDE_INT for
6931         positions_needed.  Assert width <= size of positions_needed *
6932         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
6933         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
6934         lowpart_bitmask to set mask.
6935
6936 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
6937
6938         * config/bfin/constraints.md: New file.
6939         * config/bfin/bfin.md: Include it.
6940         (adddi3): Use satisfies_constraint functions instead of the old macros.
6941         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
6942         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
6943         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
6944         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
6945         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
6946         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
6947         EXTRA_CONSTRAINT): Delete.
6948         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
6949         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
6950         of the old macros.
6951         * config/bfin/bfin.c: Include "tm-constrs.h".
6952         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
6953         Use satisfies_constraint functions instead of the old macros.
6954         * doc/md.texi (Blackfin Constraints): Update file name reference.
6955
6956 2008-04-11  Richard Guenther  <rguenther@suse.de>
6957
6958         PR tree-optimization/35869
6959         * tree-vrp.c (execute_vrp): Move switch statement update after
6960         jump threading.  Schedule another cfg cleanup run.
6961
6962 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
6963
6964         PR c/35744
6965         * attribs.c (decl_attributes): Return early on errorneous node.
6966
6967 2008-04-10  Oleg Ryjkov  <olegr@google.com>
6968
6969         * tree.h (struct tree_base): Added a new flag default_def_flag.
6970         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
6971
6972 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6973
6974         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
6975
6976 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6977
6978         PR target/35768
6979         * pa.md: Define mode iterator P.  Define mode attribute dwc.
6980         (dcacheflush): Update pattern to use iterator P and attribute dwc.
6981         (icacheflush): Likewise.
6982         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
6983         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
6984
6985 2008-04-11  Ben Elliston  <bje@au.ibm.com>
6986
6987         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
6988
6989 2008-04-10  Rafael Espindola  <espindola@google.com>
6990
6991         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
6992         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
6993         (extract_range_from_expr): The same.
6994
6995 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
6996
6997         * config/mips/mips.md (GPR2): New mode iterator.
6998         (seq): Add comment.
6999         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
7000         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
7001         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
7002         Rewrite these to take two modes, the mode of comparison and the
7003         mode of the destination.
7004         * config/mips/mips.c (mips_expand_scc): Instead of having
7005         paradoxical subreg as destination, expand "narrowing" scc if mode
7006         of comparison is SI and target is requested in DI mode.
7007         (mips_emit_int_order_test): Update comment.  Make mode of
7008         comparison match CMP0 rather than TARGET.  When creating inverse
7009         target use mode of TARGET.
7010
7011 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
7012
7013         * gcov-dump.c (tag_summary): Only print summaries for the first
7014         GCOV_COUNTERS_SUMMABLE counters.
7015
7016 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
7017
7018         * config/i386/i386.md (absneg): New code iterator.
7019         (absnegprefix): New code attribute.
7020         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
7021         patterns using absneg code iterator.
7022         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
7023         using absneg code iterator.
7024         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
7025         *neg<mode>2 patterns using absneg code iterator.
7026         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
7027         *negextendsfdf2 patterns using absneg code iterator.
7028         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
7029         *negextendsfxf2 patterns using absneg code iterator.
7030         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
7031         *negextendsfdf2 patterns using absneg code iterator.
7032         * config/i386/sse.md (<code><mode>2): Macroize expander from
7033         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
7034
7035 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
7036
7037         * config/s390/s390.h: Remove the remains of the recent search
7038         & replace action of current_function_outgoing_args_size.
7039
7040 2008-04-10  Ira Rosen  <irar@il.ibm.com>
7041
7042         PR tree-optimization/35821
7043         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
7044         NEW_STMT_LIST is not NULL.
7045
7046 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
7047
7048         PR libstdc++/35597
7049         * toplev.c (process_options): Remove -ffunction-sections debugging
7050         warning.
7051
7052 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
7053
7054         PR middle-end/PR28690
7055         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
7056         than gen_rtx_fmt_ee to perform more canonicalizations.
7057
7058 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7059
7060         PR driver/35665
7061         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
7062
7063 2008-04-09  Richard Guenther  <rguenther@suse.de>
7064
7065         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
7066         (dump_function_to_file): Dump function arguments with types.
7067
7068 2008-04-08  Richard Guenther  <rguenther@suse.de>
7069
7070         * fold-const.c (fold_widened_comparison): Do not allow
7071         sign-changes that change the result.
7072
7073 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
7074
7075         PR target/35839
7076         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
7077         kinds of indirect references.
7078
7079 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
7080
7081         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
7082         GNU Fortran language string.
7083
7084 2008-04-08  Rafael Espindola  <espindola@google.com>
7085
7086         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
7087         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
7088         * tree.h (tree_call_nonnegative_warnv_p): New.
7089
7090 2008-04-08  Jan Hubicka  <jh@suse.cz>
7091
7092         * function.c (free_after_compilation): Clear out regno_reg_rtx
7093         pointer.
7094
7095 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
7096
7097         Revert
7098         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
7099
7100         PR middle-end/PR28690
7101         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
7102         same precedence as REG_POINTER and MEM_POINTER operands.
7103
7104 2008-04-08  Richard Guenther  <rguenther@suse.de>
7105
7106         PR middle-end/35834
7107         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
7108         for adding index to base.
7109
7110 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
7111
7112         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
7113         (MINGW_ENABLE_EXECUTE_STACK): New.
7114         (IN_LIBGCC2): For libgcc include windows.h file for
7115         function declarations.
7116
7117 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
7118
7119         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
7120         and tem2 if tem1 is not a REG or MULT.
7121
7122 2008-04-08  Jan Hubicka  <jh@suse.cz>
7123
7124         * function.h (incomming_args): Break out of struct function.
7125         (function_subsections): Break out of struct function.
7126         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
7127         return_rtx and hard_reg_initial_vals from struct function.
7128         Kill inl_max_label_num.
7129         (current_function_pops_args, current_function_args_info,
7130         current_function_args_size, current_function_args_size,
7131         current_function_pretend_args_size,
7132         current_function_outgoing_args_size,
7133         current_function_internal_arg_pointer, current_function_return_rtx):
7134         Kill compatibility accestor macros.
7135         * builtins.c (expand_builtin_apply_args_1): Update.
7136         (expand_builtin_next_arg): Update.
7137         * df-scan.c (df_get_call_refs): Update.
7138         * dbxout.c (dbxout_function_end): Update.
7139         * dwarf2out.c (dwarf2out_switch_text_section): Update.
7140         (output_line_info): Update.
7141         (secname_for_decl): Update.
7142         (dwarf2out_var_location): Update.
7143         * function.c (free_after_compilation): Update.
7144         (assign_parm_find_stack_rtl): Update.
7145         (assign_parms): Update.
7146         (expand_dummy_function_end): Update.
7147         (expand_function_end): Update.
7148         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
7149         (expand_call): Update.
7150         (emit_library_call_value_1): Update.
7151         (store_one_arg): Update.
7152         * varasm.c (initialize_cold_section_name): Update.
7153         (unlikely_text_section): Update.
7154         (unlikely_text_section_p): Update.
7155         (assemble_start_function): Update.
7156         (assemble_end_function): Update.
7157         (default_section_type_flags): Update.
7158         (switch_to_section): Update.
7159         * integrate.c (set_decl_abstract_flags): Update.
7160         (get_hard_reg_initial_val): Update.
7161         (has_hard_reg_initial_val): Update.
7162         (allocate_initial_values): Update.
7163         * resource.c (init_resource_info): Update.
7164         * config/alpha/alpha.c (NUM_ARGS): Update.
7165         (direct_return): Update.
7166         (alpha_va_start): Update.
7167         (alpha_sa_size): Update.
7168         (alpha_initial_elimination_offset): Update.
7169         (alpha_expand_prologue): Update.
7170         (alpha_start_function): Update.
7171         (alpha_expand_epilogue): Update.
7172         (unicosmk_initial_elimination_offset):
7173         * config/alpha/alpha.md (call expander): Update.
7174         * config/s390/s390.c (s390_register_info): Update.
7175         (s390_register_info): Update.
7176         (s390_frame_info): Update.
7177         (s390_initial_elimination_offset): Update.
7178         (s390_build_builtin_va_list): Update.
7179         (s390_va_start): Update.
7180         * config/spu/spu.c (direct_return): Update.
7181         (spu_expand_prologue): Update.
7182         (spu_initial_elimination_offset): Update.
7183         (spu_build_builtin_va_list): Update.
7184         (spu_va_start): Update.
7185         * config/sparc/sparc.c (sparc_init_modes): Update.
7186         (sparc_compute_frame_size): Update.
7187         (function_value): Update.
7188         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
7189         * config/i386/i386.md (return expander): Update.
7190         * config/i386/i386.c (ix86_va_start): Update.
7191         (ix86_can_use_return_insn_p): Update.
7192         (ix86_compute_frame_layout): Update.
7193         (ix86_expand_epilogue): Update.
7194         * config/sh/sh.c (output_stack_adjust): Update.
7195         (calc_live_regs): Update.
7196         (sh_expand_prologue): Update.
7197         (sh_builtin_saveregs): Update.
7198         (sh_va_start): Update.
7199         (initial_elimination_offset): Update.
7200         (sh_allocate_initial_value): Update.
7201         (sh_function_ok_for_sibcall): Update.
7202         (sh_get_pr_initial_val): Update.
7203         * config/sh/sh.md (return expander): Update.
7204         * config/avr/avr.c (frame_pointer_required_p): UPdate.
7205         * config/crx/crx.c (crx_compute_frame): UPdate.
7206         (crx_initial_elimination_offset): UPdate.
7207         * config/xtensa/xtensa.c (compute_frame_size): Update
7208         (xtensa_builtin_saveregs): Update.
7209         (xtensa_va_start): Update.
7210         (order_regs_for_local_alloc): Update.
7211         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
7212         (xstormy16_expand_builtin_va_start): Update.
7213         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
7214         * config/m68hc11/m68hc11.md (return expanders): Update.
7215         * config/m68hc11/m68hc11.c (expand_prologue): Update.
7216         (expand_epilogue): Update.
7217         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
7218         (cris_simple_epilogue): Update.
7219         (cris_expand_prologue): Update.
7220         (cris_expand_epilogue): Update.
7221         * config/iq2000/iq2000.c (iq2000_va_start): Update.
7222         (compute_frame_size): Update.
7223         * config/mt/mt.c (mt_compute_frame_size): Update.
7224         * config/mn10300/mn10300.c (expand_prologue): Update.
7225         (expand_epilogue): Update.
7226         (initial_offset): Update.
7227         (mn10300_builtin_saveregs):
7228         * config/mn10300/mn10300.md (return expander): Update.
7229         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
7230         (ia64_initial_elimination_offset): Update.
7231         (ia64_initial_elimination_offset): Update.
7232         (ia64_expand_prologue): Update.
7233         * config/m68k/m68k.md (return expander): Update.
7234         * config/rs6000/rs6000.c (rs6000_va_start): Update.
7235         (rs6000_stack_info): Update.
7236         * config/mcore/mcore.c (layout_mcore_frame): Update.
7237         (mcore_expand_prolog): Update.
7238         * config/arc/arc.c (arc_compute_frame_size): Update.
7239         * config/score/score3.c (score3_compute_frame_size): Update.
7240         * config/score/score7.c (score7_compute_frame_size): Update.
7241         * config/arm/arm.c (use_return_insn): Update.
7242         (thumb_find_work_register): Update.
7243         (arm_compute_save_reg_mask): Update.
7244         (arm_output_function_prologue): Update.
7245         (arm_output_epilogue): Update.
7246         (arm_size_return_regs): Update.
7247         (arm_get_frame_offsets): Update.
7248         (arm_expand_prologue): Update.
7249         (thumb_exit): Update.
7250         (thumb_unexpanded_epilogue): Update.
7251         (thumb1_output_function_prologue): Update.
7252         * config/pa/pa.md (return expander): Update.
7253         * config/pa/pa.c (compute_frame_size): Update.
7254         (hppa_builtin_saveregs): Update.
7255         * config/mips/mips.c (mips_va_start): Update.
7256         (mips16_build_function_stub): Update.
7257         (mips_compute_frame_info): Update.
7258         (mips_restore_gp): Update.
7259         (mips_output_function_prologue): Update.
7260         (mips_expand_prologue): Update.
7261         * config/v850/v850.c (compute_frame_size): Update.
7262         (expand_prologue): * config/mmix/mmix.c (along): update.
7263         (mmix_initial_elimination_offset): update.
7264         (mmix_reorg): update.
7265         (mmix_use_simple_return): update.
7266         (mmix_expand_prologue): update.
7267         (mmix_expand_epilogue): Update.
7268         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
7269         (emit_link_insn): Update.
7270
7271 2008-04-08  Anatoly Sokolov <aesok@post.ru>
7272
7273         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
7274         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
7275         instructions.
7276         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
7277         atmega103 device.
7278
7279 2008-04-07  Jan Hubicka  <jh@suse.cz>
7280
7281         * function.h (rtl): Rename to x_rtl.
7282         (crtl): New define.
7283         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
7284         frame_offset, stack_check_probe_note, arg_pointer_save_area,
7285         used_temp_slots avail_temp_slots, temp_slot_level,
7286         nonlocal_goto_handler_labels): Update accesstors.
7287         (rtl): New global variable.
7288         (struct function): Move some fileds to rtl_data.
7289         (get_arg_pointer_save_area): Update prototype.
7290         * builtins.c (expand_builtin_setjmp_receiver): Update call of
7291         get_arg_pointer_save_area.
7292         * expr.c (init_expr): Update
7293         * function.c (get_frame_size): Update
7294         (assign_stack_local): Update
7295         (expand_function_end): Update.
7296         (get_art_pointer_save_area): Update
7297         * function.h 
7298         * emit-rtl.c (rtl): Declare.
7299         (regno_reg_rtx): Declare.
7300         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
7301         Update.
7302         (gen_reg_rtx): Update.
7303         * varasm.c (n_deferred_constatns): Update accestor.
7304         (init_varasm_status): Do not allocate varasm_status.
7305         (force_const_mem, get_pool_size, output_constant_pool): Update.
7306         * stmt.c (force_label_rtx): Do not use x_ prefixes.
7307         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
7308         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
7309         * sparc/sparc.h (INIT_EXPANDERS): Update.
7310         * ia64/ia64.h (INIT_EXPANDERS): Update.
7311
7312 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
7313
7314         * reload.c (push_secondary_reload): Add missing break to for loop.
7315
7316 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
7317
7318         PR middle-end/PR28690
7319         * rtlanal.c: Update copyright years.
7320         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
7321         as REG_POINTER and MEM_POINTER operands.
7322         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
7323         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
7324         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
7325         * gcse.c: Update copyright years.
7326         (pre_delete): Call gen_reg_rtx_and_attrs.
7327         (hoist_code): Likewise.
7328         (build_store_vectors): Likewise.
7329         (delete_store): Likewise.
7330         * loop-invariant.c (move_invariant_reg): Likewise.
7331         Update copyright years.
7332
7333 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
7334
7335         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
7336         control string instead of quoted.
7337
7338 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
7339
7340         * doc/rtl.texi: Rewrite of subreg section.
7341
7342 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
7343
7344         PR/35842
7345         * config/i386/i386.c (legitimize_pic_address): Add treating
7346         of dllimport SYM_REF's.
7347         (legitimize_dllimport_symbol): Add prototype.
7348
7349 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
7350
7351         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
7352         reference in constructor with non self-referential type.
7353
7354 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
7355
7356         Removal of Return with Depressed Stack Pointer support
7357         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
7358         (ECF_SP_DEPRESSED): Likewise.
7359         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
7360         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
7361         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
7362         (expand_call): Do not test ECF_SP_DEPRESSED.
7363         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
7364         * function.c (keep_stack_depressed): Delete.
7365         (handle_epilogue_set): Likewise.
7366         (update_epilogue_consts): Likewise.
7367         (emit_equiv_load): Likewise.
7368         (thread_prologue_and_epilogue_insns): Remove support for Return with
7369         Depressed Stack Pointer.
7370         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
7371
7372 2008-04-06  Richard Guenther  <rguenther@suse.de>
7373
7374         PR tree-optimization/35400
7375         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
7376         information from SSA_NAMEs.
7377
7378 2008-04-06  Anatoly Sokolov <aesok@post.ru>
7379
7380         * config/avr/avr.h (avr_mega_p): Remove declaration.
7381         (AVR_MEGA): Remove macro.
7382         * config/avr/avr.c (avr_mega_p): Remove variable.
7383         (avr_override_options): Remove inicializion of avr_mega_p.
7384         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
7385         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
7386         (avr_jump_mode): (Ditto.).
7387         (avr_output_progmem_section_asm_op): (Ditto.).
7388         (avr_asm_init_sections): (Ditto.).
7389         (avr_asm_init_sections): (Ditto.).
7390         (avr_rtx_costs): (Ditto.).
7391         * config/avr/avr.md: (Ditto.).
7392         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
7393         '__AVR_MEGA__'.
7394
7395 2008-04-06  Richard Guenther  <rguenther@suse.de>
7396
7397         PR tree-optimization/35842
7398         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
7399         is_gimple_invariant_address.
7400
7401 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
7402
7403         * gcc.c (default_compilers): Sync Fortran extensions list with
7404         that in fortran/lang-specs.h.
7405         * doc/invoke.texi: Likewise.
7406         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
7407         * dwarf2out.c (gen_compile_unit_die): Likewise.
7408
7409 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
7410
7411         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
7412
7413 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
7414
7415         PR target/12329
7416         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
7417         attribute is used for nested functions.
7418
7419 2008-04-05  Jan Hubicka  <jh@suse.cz>
7420
7421         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
7422
7423         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
7424         letter argument.
7425         (dump_files): Update.
7426         (enable_rtl_dump_file): Do not accept letter argument.
7427         * tree-pass.h (dump_file_info): Remove letter argument.
7428         * toplev.c (decode_d_option): Update -da handling.
7429         * toplev.h (enable_rtl_dump_file): Update prototype.
7430         * passes.c (register_one_dump_file): Do not accept IPA argument; work
7431         it out based on pass type.
7432         (register_dump_files_1): Likewise.
7433         (init_optimization_passes): Update register_one_dump_file calls.
7434         (execute_one_pass): Sanity check that IPA passes are called at IPA
7435         level and RTL passes at RTL level.
7436         (execute_pass_list): IPA pass can not be after or subpass of
7437         GIMPLE/RTL pass.
7438         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
7439         disallov RTL subpasses of IPA subpasses.
7440
7441 2008-04-05  Ben Elliston  <bje@au.ibm.com>
7442
7443         * tree-cfg.c (need_fake_edge_p): Return false for calls to
7444         builtins that return exactly once and do not throw. Cache call to
7445         call_expr_flags.
7446
7447 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
7448
7449         PR rtl-optimization/34916
7450         PR middle-end/35519
7451         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
7452         between instruction pairs.
7453
7454 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
7455
7456         * doc/invoke.texi: Document -mbitops for SH.
7457         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
7458         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
7459         * config/sh/sh.c (print_operand): Add %t operand code.
7460         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
7461         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
7462         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
7463         (extendqihi2): Likewise.
7464         (movqi_i): Likewise.
7465         (insv): Use bset, bclr and bst instructions for SH2A if possible.
7466         (extv): Use bld instruction for SH2A if possible.
7467         (extzv): Likewise.
7468         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
7469         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
7470         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
7471         (bset.b, bclr.b): Define peepholes.
7472         * config/sh/sh.opt (mbitops): New option.
7473
7474 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
7475
7476         PR target/35620
7477         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
7478         and view convert expression.
7479
7480 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
7481
7482         PR target/35364
7483         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
7484
7485 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
7486
7487         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
7488
7489         * config/i386/cpuid.h (bit_AES): New.
7490         (bit_PCLMUL): Likewise.
7491
7492         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
7493         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
7494         SSE2 if AES or PCLMUL is enabled.
7495         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
7496         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
7497         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
7498         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
7499         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
7500         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
7501         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
7502         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
7503         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
7504         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
7505         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
7506         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
7507         __builtin_ia32_aeskeygenassist128 and
7508         __builtin_ia32_pclmulqdq128.
7509         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
7510         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
7511         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
7512
7513         * config/i386/i386.h (TARGET_AES): New.
7514         (TARGET_PCLMUL): Likewise.
7515         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
7516
7517         * config/i386/i386.md (UNSPEC_AESENC): New.
7518         (UNSPEC_AESENCLAST): Likewise.
7519         (UNSPEC_AESDEC): Likewise.
7520         (UNSPEC_AESDECLAST): Likewise.
7521         (UNSPEC_AESIMC): Likewise.
7522         (UNSPEC_AESKEYGENASSIST): Likewise.
7523         (UNSPEC_PCLMUL): Likewise.
7524
7525         * config/i386/i386.opt (maes): New.
7526         (mpclmul): Likewise.
7527
7528         * config/i386/sse.md (aesenc): New pattern.
7529         (aesenclast): Likewise.
7530         (aesdec): Likewise.
7531         (aesdeclast): Likewise.
7532         (aesimc): Likewise.
7533         (aeskeygenassist): Likewise.
7534         (pclmulqdq): Likewise.
7535
7536         * config/i386/wmmintrin.h: New.
7537
7538         * doc/extend.texi: Document AES and PCLMUL built-in function.
7539
7540         * doc/invoke.texi: Document -maes and -mpclmul.
7541
7542 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
7543
7544         * function.c (free_after_parsing): Replace with
7545         cxx_push_function_context from C++ front-end.
7546         (allocate_struct_function): Don't call langhook.
7547         * langhooks.h (struct lang_hooks_for_functions): Delete.
7548         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
7549         member "function".
7550         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
7551         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
7552         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
7553         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
7554         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
7555         remove LANG_HOOKS_FUNCTION_INITIALIZER.
7556         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
7557
7558         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
7559         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
7560         
7561 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
7562
7563         PR c/35440
7564         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
7565         for all types.
7566
7567 2008-04-04  Richard Guenther  <rguenther@suse.de>
7568
7569         PR middle-end/35823
7570         * fold-const.c (optimize_minmax_comparison): Use the correct
7571         type for the constant in the simplified comparison.
7572
7573 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
7574
7575         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
7576         Pass L2 size as "--param l2-cache-size" to the compiler.
7577         (decode_l2_cache): New function to decode L2 cache parameters using
7578         0x8000006 extended cpuid function.
7579         (detect_caches_amd): Determine parameters of L2 cache using
7580         decode_l2_caches function.
7581         (decode_caches_intel): Decode L2 cache parameters.
7582         (detect_caches_intel): Determine L2 cache parameters using
7583         decode_caches_intel and decode_l2_caches functions.
7584
7585 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
7586
7587         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
7588         secondary input reload for subword loads from the constant pool.
7589
7590 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
7591
7592         PR target/35713
7593         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
7594           constants of the appropriate size for runtime calculations.
7595
7596         PR c/35712
7597         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
7598           decimal-float literal constant zero.
7599
7600 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
7601
7602         PR c/35738
7603         * c-parser.c (c_parser_omp_atomic): Call
7604         default_function_array_conversion on the RHS.
7605
7606         PR middle-end/35818
7607         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
7608         call is_variable_sized if decl has incomplete type.
7609
7610 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
7611
7612         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
7613
7614 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
7615
7616         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
7617         iterators.
7618         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
7619         (sgt<u>): Merge sgt and sgtu into new expander.
7620         (sgt, sgtu): Remove expanders.
7621         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
7622         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
7623         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
7624         *sgtu_<mode>_mips16 into new pattern.
7625         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
7626         (sge<u>): Merge sge and sgeu into new expander.
7627         (sge, sgeu): Remove expanders.
7628         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
7629         new pattern.
7630         (*sge_<mode>, second *sge_<mode>): Remove patterns.
7631         (slt<u>): Merge slt and sltu into new expander.
7632         (slt, sltu): Remove expanders.
7633         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
7634         (*slt_<mode>, *sltu_<mode>): Remove patterns.
7635         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
7636         *sltu_<mode>_mips16 into new pattern.
7637         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
7638         (sle<u>): Merge sle and sleu into new expander.
7639         (sle, sleu): Remove expanders.
7640         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
7641         (*sle_<mode>, *sleu_<mode>): Remove patterns.
7642         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
7643         *sleu_<mode>_mips16 into new pattern.
7644         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
7645
7646 2008-04-03  Jan Hubicka  <jh@suse.cz>
7647
7648         PR tree-optimization/35795
7649         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
7650         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
7651         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
7652         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
7653         * score/score3.c (score3_output_mi_thunk): Likewise.
7654         * score/score7.c (score7_output_mi_thunk): Likewise.
7655         * mips/mips.c (mips_output_mi_thunk): Likewise.
7656
7657 2008-04-03  Richard Guenther  <rguenther@suse.de>
7658
7659         * tree-vrp.c (extract_range_from_unary_expr): Handle all
7660         conversions.  Simplify code.
7661
7662 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
7663
7664         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
7665
7666 2008-04-03  Tom Tromey  <tromey@redhat.com>
7667             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7668
7669         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
7670         * config/bfin/t-bfin-linux (generated_files): Add
7671         linux-sysroot-suffix.h.
7672         * doc/install.texi (Prerequisites): Require make 3.80.
7673         * doc/sourcebuild.texi (Front End Directory): Document new
7674         variable.
7675         * Makefile.in (generated_files): New variable.
7676         (ALL_HOST_OBJS): New variable.
7677         ($(ALL_HOST_OBJS)): New target.
7678
7679 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
7680
7681         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
7682         (remap_block): Call id->transform_lang_insert_block instead
7683         of langhook.
7684         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
7685         Set id.transform_lang_insert_block to NULL.
7686         (clone_body): Move to cp/optimize.c
7687         * tree-inline.h (struct copy_body_data): Change
7688         transform_lang_insert_block to function pointer.
7689         (copy_generic_body, copy_decl_no_change): Export.
7690         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
7691         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
7692         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
7693
7694         * c-tree.h (insert_block): Kill.
7695         * c-decl.c (insert_block): Kill.
7696
7697 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
7698
7699         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
7700         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
7701         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
7702         argument.
7703         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
7704         argument, call {push,pop}_function_context from here.
7705         * c-parser.c: Use c_{push,pop}_function_context.
7706
7707         * function.c (push_function_context_to): Move meat ...
7708         (push_function_context): ... here.  Simplify.
7709         * function.c (pop_function_context_from): Move meat ...
7710         (pop_function_context): ... here.  Simplify.
7711         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
7712         leave_nested).
7713         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
7714         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
7715         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
7716         * tree.h (push_function_context_to, pop_function_context_from): Remove.
7717
7718 2008-04-03  Ben Elliston  <bje@au.ibm.com>
7719
7720         * expmed.c (extract_force_align_mem_bit_field): Remove.
7721
7722 2008-04-03  Richard Guenther  <rguenther@suse.de>
7723
7724         PR middle-end/35800
7725         * expr.h (try_casesi): Adjust prototype.
7726         * expr.c (try_casesi): Take fallback label as extra parameter.
7727         Use that for gen_casesi if default_label is NULL.
7728         * stmt.c (expand_case): Pass fallback label to try_casesi,
7729         make sure to fill gaps with a fallback label if default_label
7730         is not present.
7731
7732 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
7733
7734         PR target/35801
7735         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
7736
7737 2008-04-03  Ben Elliston  <bje@au.ibm.com>
7738
7739         * expmed.c (extract_split_bit_field): Remove if (0) code.
7740         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
7741         (do_ds_constraint): Likewise.
7742
7743 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
7744
7745         * doc/cppopts.texi (-dU): Document.
7746         * c-common.h (flag_dump_macros): Update comment.
7747         * c-opts.c (handle_OPT_d): Handle -dU.
7748         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
7749         dump_queued_macros, cb_used_define, cb_used_undef): New.
7750         (init_pp_output): Handle -dU.
7751         (cb_line_change): Call dump_queued_macros.
7752         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
7753
7754 2008-04-02  Anatoly Sokolov <aesok@post.ru>
7755
7756         * config/avr/predicates.md (io_address_operand): New predicate. 
7757         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
7758         * config/avr/avr.c (avr_io_address_p): Remove function.
7759         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
7760         'avr_io_address_p' function.
7761         (out_movhi_r_mr): (Ditto.).
7762         (out_movqi_mr_r): (Ditto.).
7763         (out_movhi_mr_r): (Ditto.).
7764         (avr_address_cost): (Ditto.).
7765
7766 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
7767
7768         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
7769         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
7770         in 32bit mode when XMM registers are available to avoid store
7771         forwarding stalls.
7772         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
7773         corresponding post-reload splitters.
7774
7775 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7776
7777         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
7778         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
7779         __builtin_ia32_roundss.
7780         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
7781         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
7782         __builtin_ia32_roundss.
7783         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
7784         IX86_BUILTIN_SHUFPD here.
7785
7786 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7787
7788         * config/i386/i386.md (plogic): New.
7789         (plogicprefix): Likewise.
7790
7791         * config/i386/mmx.md (mmx_<code><mode>3): New.
7792         (mmx_and<mode>3): Removed.
7793         (mmx_ior<mode>3): Likewise.
7794         (mmx_xor<mode>3): Likewise.
7795
7796         * config/i386/sse.md (<code><mode>3): New.
7797         (*<code><mode>3): Likewise.
7798         (*<code><mode>3): Likewise.
7799         (<code><mode>3): Likewise.
7800         (*sse_<code><mode>3): Likewise.
7801         (*sse2_<code><mode>3): Likewise.
7802         (<code>tf3): Likewise.
7803         (*<code>tf3): Likewise.
7804         (and<mode>3): Likewise.
7805         (*and<mode>3): Likewise.
7806         (ior<mode>3): Removed.
7807         (*ior<mode>3): Likewise.
7808         (xor<mode>3): Likewise.
7809         (*xor<mode>3): Likewise.
7810         (*and<mode>3): Likewise.
7811         (*ior<mode>3): Likewise.
7812         (*xor<mode>3): Likewise.
7813         (and<mode>3): Likewise.
7814         (*sse_and<mode>3): Likewise.
7815         (*sse2_and<mode>3): Likewise.
7816         (andtf3): Likewise.
7817         (*andtf3): Likewise.
7818         (ior<mode>3): Likewise.
7819         (*sse_ior<mode>3): Likewise.
7820         (*sse2_ior<mode>3): Likewise.
7821         (iortf3): Likewise.
7822         (*iortf3): Likewise.
7823         (xor<mode>3): Likewise.
7824         (*sse_xor<mode>3): Likewise.
7825         (*sse2_xor<mode>3): Likewise.
7826         (xortf3): Likewise.
7827         (*xortf3): Likewise.
7828
7829 2008-04-02  Richard Guenther  <rguenther@suse.de>
7830
7831         PR tree-optimization/14495
7832         PR tree-optimization/34793
7833         * tree-vrp.c (struct switch_update): New structure.
7834         (to_remove_edges, to_update_switch_stmts): New VECs.
7835         (simplify_switch_using_ranges): New function.  Remove not taken
7836         case labels and edges.
7837         (simplify_stmt_using_ranges): Call it.
7838         (identify_jump_threads): Mark edges we have queued for removal
7839         so we don't thread them.
7840         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
7841         case label vector.
7842         * tree-cfg.c (group_case_labels): Deal with missing default label.
7843         (tree_verify_flow_info): Allow missing default label.
7844         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
7845         (emit_case_nodes): Likewise.
7846         (expand_case): Do not rely on the default label to be present.
7847         * expr.c (try_casesi): Deal with NULL default_label.
7848         (do_tablejump): Likewise.
7849
7850 2008-04-02  Richard Guenther  <rguenther@suse.de>
7851
7852         PR tree-optimization/14495
7853         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
7854         SWITCH_EXPR here ...
7855         (vrp_visit_switch_stmt): ... but here (new function).
7856         (find_case_label_index): New helper function.
7857         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
7858
7859 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7860
7861         * fwprop.c: Fix ISO-C99ism.
7862
7863 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7864
7865         PR bootstrap/35752
7866         * Makefile.in (objdir): Set it here.
7867         * configure.ac: Not here.  Find dynamic linker characteristics.
7868         * exec-tool.in: Use them.
7869         * aclocal.m4: Regenerate.
7870         * configure: Regenerate.
7871
7872 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7873
7874         * expr.c (expand_var): Delete it.
7875         * expr.h (expand_var): Delete prototype.
7876         * function.c (expand_function_start): Use expand_decl instead.
7877         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
7878         langhook.
7879
7880 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
7881
7882         PR rtl-optimization/35542
7883         * fwprop.c (forward_propagate_and_simplify): Replace
7884         loc_reg_mentioned_in_p with reg_mentioned_p.
7885
7886 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7887
7888         PR rtl-optimization/35281
7889         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
7890         (propagate_rtx_1): Handle PR_HANDLE_MEM.
7891         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
7892         (varying_mem_p): Move above propagate_rtx.
7893         (all_uses_available_at): Do not check MEMs.
7894
7895 2008-04-02  Rafael Espindola  <espindola@google.com>
7896
7897         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
7898         (register_edge_assert_for_2): Split the cond argument.
7899         (register_edge_assert_for_1): Adjust for the change in
7900         register_edge_assert_for_2.
7901         (register_edge_assert_for): Split the cond argument.
7902         (find_switch_asserts): Adjust for the change in
7903         register_edge_assert_for.
7904
7905 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
7906
7907         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
7908         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
7909         offsets for 64-bit mingw.
7910         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
7911         abi for x86_64-pc-mingw.
7912
7913 2008-04-02  Richard Guenther  <rguenther@suse.de>
7914
7915         * tree-vrp.c (extract_range_from_assert): Make sure to not
7916         produce range min/max with TREE_OVERFOW set.
7917         If merging a anti-range and a range keep the anti-range if
7918         the range covers all values of the type.
7919         (register_edge_assert_for_2): Only allow sign-changing
7920         conversions in detecting canonical range checks.  Also
7921         register an assert for the unsigned name if useful.
7922
7923         PR tree-optimization/35787
7924         * tree-vrp.c (vrp_val_max): New function.
7925         (vrp_val_min): Likewise.
7926         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
7927         (vrp_val_is_min): Likewise.
7928         (supports_overflow_infinity): Use vrp_val_{min,max}.
7929         (negative_overflow_infinity): Likewise.
7930         (positive_overflow_infinity): Likewise.
7931         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
7932         (is_positive_overflow_infinity): Likewise.
7933         (is_overflow_infinity): Likewise.
7934         (avoid_overflow_infinity): Use vrp_val_{min,max} and
7935         vrp_val_is_{min,max}.
7936         (set_and_canonicalize_value_range): Canonicalize anti-ranges
7937         to ranges if possible.  Avoid empty ranges.
7938
7939 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7940
7941         PR middle-end/35705
7942         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
7943         the expression is a function address.
7944
7945 2008-04-01  George Helffrich  <george@gcc.gnu.org>
7946
7947         PR fortran/35154, fortran/23057
7948         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
7949         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
7950         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
7951         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
7952         in common.
7953         (dbxout_syms): Check for COMMON-based symbol and wrap in
7954         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
7955         in bracket for efficiency.
7956
7957         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
7958         using DW_TAG_common_block + member offset.
7959         (add_pubname_string): New function.
7960         (dw_expand_expr): New function to find block name and offset for
7961         COMMON var.
7962         (common_check): New function to check whether symbol in Fortran COMMON.
7963         (gen_variable_die): If COMMON, use DW_TAG_common_block.
7964
7965 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
7966
7967         PR c/35436
7968         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
7969
7970 2008-04-02  Ben Elliston  <bje@au.ibm.com>
7971
7972         * config/v850/v850.md (casesi): Remove if (0) code.
7973         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
7974         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
7975
7976 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
7977
7978         * config/i386/i386.md (rex64suffix): New mode attribute.
7979         (floathi<mode>2): Disable expander for SSE math.
7980         (*floathi<mode>2_1): New insn insn_and_split pattern.
7981         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
7982         corresponding post-reload splitters.
7983         (*floathi<mode>2_i387): New macroized insn pattern.
7984         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
7985         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
7986         insn_and_split pattern.
7987         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
7988         New macroized instruction patterns and corresponding post-reload
7989         splitters.
7990         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
7991         and corresponding post-reload splitters.
7992         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
7993         New macroized instruction patterns.
7994         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
7995         macroized instruction patterns and corresponding post-reload splitters.
7996         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
7997         corresponding post-reload splitters.
7998         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
7999         New macroized instruction patterns.
8000         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
8001         corresponding post-reload splitters.
8002         (*floatsi<mode>2_i387): New macroized instruction patterns.
8003
8004 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
8005
8006         * config/i386/i386.md (smaxmin): New.
8007         (umaxmin): Likewise.
8008         (maxminiprefix): Likewise.
8009         (maxminfprefix): Likewise.
8010         (<code><mode>3): Likewise.
8011         (smin<mode>3): Removed.
8012         (smax<mode>3): Likewise.
8013
8014         * config/i386/mmx.md (mmx_<code>v2sf3): New.
8015         (mmx_<code>v4hi3): Likewise.
8016         (mmx_<code>v8qi3): Likewise.
8017         (mmx_smaxv2sf3): Removed.
8018         (mmx_sminv2sf3): Likewise.
8019         (mmx_umaxv8qi3): Likewise.
8020         (mmx_smaxv4hi3): Likewise.
8021         (mmx_uminv8qi3): Likewise.
8022         (mmx_sminv4hi3): Likewise.
8023
8024         * config/i386/sse.md (<addsub><mode>3): New.
8025         (*<addsub><mode>3): Likewise.
8026         (<sse>_vm<addsub><mode>3): Likewise.
8027         (<maxmin><mode>3): Likewise.
8028         (*<maxmin><mode>3_finite): Likewise.
8029         (*<maxmin><mode>3): Likewise.
8030         (<sse>_vm<maxmin><mode>3): Likewise.
8031         (sse3_h<addsub>v4sf3): Likewise.
8032         (sse3_h<addsub>v2df3): Likewise.
8033         (<maxmin>v16qi3): Likewise.
8034         (*<maxmin>v16qi3): Likewise.
8035         (<maxmin>v8hi3): Likewise.
8036         (*<maxmin>v8hi3): Likewise.
8037         (*sse4_1_<maxmin><mode>3): Likewise.
8038         (*sse4_1_<maxmin><mode>3): Likewise.
8039         (add<mode>3): Removed.
8040         (*add<mode>3): Likewise.
8041         (<sse>_vmadd<mode>3): Likewise.
8042         (sub<mode>3): Likewise.
8043         (*sub<mode>3): Likewise.
8044         (<sse>_vmsub<mode>3): Likewise.
8045         (smin<mode>3): Likewise.
8046         (*smin<mode>3_finite): Likewise.
8047         (*smin<mode>3): Likewise.
8048         (<sse>_vmsmin<mode>3): Likewise.
8049         (smax<mode>3): Likewise.
8050         (*smax<mode>3_finite): Likewise.
8051         (*smax<mode>3): Likewise.
8052         (<sse>_vmsmax<mode>3): Likewise.
8053         (sse3_haddv4sf3): Likewise.
8054         (sse3_haddv2df3): Likewise.
8055         (sse3_hsubv4sf3): Likewise.
8056         (sse3_hsubv2df3): Likewise.
8057         (umaxv16qi3): Likewise.
8058         (*umaxv16qi3): Likewise.
8059         (smaxv8hi3): Likewise.
8060         (*smaxv8hi3): Likewise.
8061         (*sse4_1_smax<mode>3): Likewise.
8062         (*sse4_1_umax<mode>3): Likewise.
8063         (uminv16qi3): Likewise.
8064         (*uminv16qi3): Likewise.
8065         (sminv8hi3): Likewise.
8066         (*sminv8hi3): Likewise.
8067         (*sse4_1_smin<mode>3): Likewise.
8068         (*sse4_1_umin<mode>3): Likewise.
8069
8070 2008-04-01  Rafael Espindola  <espindola@google.com>
8071
8072         * tree-cfg.c (verify_expr): remove in_phi.
8073         (verify_stmt): Don't call walk_tree with verify_expr. Use
8074         is_gimple_min_invariant instead of is_gimple_val.
8075
8076 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
8077
8078         * doc/include/gpl_v3.texi: Update for manpage generation.
8079         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
8080         gpl.texi.
8081         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
8082         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
8083         gpl_v3.texi instead of gpl.texi.
8084         (gpl.pod): New.
8085
8086 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
8087
8088         PR pch/13675
8089         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
8090
8091 2008-04-01  Rafael Espindola  <espindola@google.com>
8092
8093         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
8094         (extract_code_and_val_from_cond): Use
8095         extract_code_and_val_from_cond_with_ops.
8096
8097 2008-04-01  Jan Hubicka  <jh@suse.cz>
8098
8099         * function.c (free_after_compilation): Free epilogue_delay_list.
8100         (prepare_function_start): Assert that previous compilation was freed.
8101
8102 2008-04-01  Jan Hubicka  <jh@suse.cz>
8103             Jim Wilson  <wilson@tuliptree.org>
8104             Andreas Tobler <andreast@gcc.gnu.org>
8105
8106         PR middle-end/35781
8107         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
8108         rtl.emit instead cfun->emit.
8109         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
8110         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
8111
8112 2008-04-01  Ben Elliston  <bje@au.ibm.com>
8113
8114         * doc/c-tree.texi (Function Basics): Fix grammatical error.
8115
8116 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
8117
8118         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
8119         New options
8120         (fprofile-use): Add var flag_profile_use
8121         * coverage.c (coverage_begin_output): Do not open a gcno file for
8122         output only if -ftest-coverage is set.
8123         Do not add getpwd() to gcda file path.
8124         (build_gcov_info): Check the new flag
8125         flag_profile_datafile_relative_path.
8126         (coverage_init): Use profile_data_prefix.
8127         Read profile counter only if flag_profile_use is set.
8128         * opts.c (common_handle_option): New option fprofile-use=,
8129         fprofile-dir=, fprofile-generate=.
8130         * toplev.c (profile_data_prefix): New variable definition.
8131         * toplev.h (profile_data_prefix): New declaration.
8132         * doc/invoke.tex (Option Summary, Optimization Options):
8133         Add new options.
8134
8135 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
8136
8137         * varasm.c (output_constant_pool_1): In LABEL_REF check,
8138         use tmp consistently.
8139
8140         PR target/35695
8141         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
8142         * config/ia64/ia64.c (rtx_needs_barrier): Handle
8143         UNSPEC_FR_RECIP_APPROX_RES.
8144         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
8145
8146 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
8147
8148         PR c/35750
8149         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
8150
8151 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8152
8153         PR middle-end/30186
8154         * fold-const.c (fold_indirect_ref_1): Support accessing non first
8155         element of the vector via a pointer.
8156
8157 2008-03-31  Ian Lance Taylor  <iant@google.com>
8158
8159         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
8160
8161 2008-03-31  Jan Hubicka  <jh@suse.cz>
8162
8163         * builtins.c (expand_builtin_setjmp_receiver): Update call of
8164         get_arg_pointer_save_area.
8165         * expr.c (init_expr): Just clear out rtl.expr.
8166         * function.c (free_after_compilation): Clear out whole RTL structure.
8167         (get_func_frame_size): Merge into ...
8168         (get_frame_size): ... this one.
8169         (assign_stack_local_1): Merge into ...
8170         (assign_stack_local): ... this one.
8171         (expand_function_end): Update call of get_arg_pointer_save_area.
8172         (get_art_pointer_save_area): Remove cfun argument.
8173         * function.h (emit_status): regno_pointer_align does not need length
8174         attribute. Move x_regno_reg_rtx to ...
8175         (regno_reg_rtx): ... new global array.
8176         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
8177         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
8178         apply_args_value, forced_labels, stack_pointer_delta):
8179         Update accestors.
8180         (struct varasm_status): Move here from varasm.c
8181         (struct rtl_data): New. Move here some fields from struct function.
8182         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
8183         frame_offset, stack_check_probe_note, arg_pointer_save_area,
8184         used_temp_slots avail_temp_slots, temp_slot_level,
8185         nonlocal_goto_handler_labels): Update accesstors.
8186         (rtl): New global variable.
8187         (struct function): Move some fileds to rtl_data.
8188         (get_arg_pointer_save_area): Update prototype.
8189         * emit-rtl.c (rtl): Declare.
8190         (regno_reg_rtx): Declare.
8191         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
8192         Update.
8193         (gen_reg_rtx): Update.
8194         (init_virtual_regs): Do not tate emit_status argument.
8195         (init_emit): Do not allocate emit.
8196         * varasm.c (varasm_statuc): Move to function.h.
8197         (n_deferred_constatns): Update accestor.
8198         (init_varasm_status): Do not allocate varasm_status.
8199         (force_const_mem, get_pool_size, output_constant_pool): Update.
8200         * stmt.c (force_label_rtx): Do not use x_ prefixes.
8201         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
8202
8203 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
8204
8205         PR rtl-optimization/35729
8206         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
8207         references.
8208
8209 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
8210
8211         PR target/32000
8212         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
8213         load/store if memory is unaligned.
8214         (*movti_rex64): Likewise.
8215
8216         * config/i386/predicates.md (misaligned_operand): New.
8217
8218 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
8219
8220         PR tree-opt/35431
8221         * tree-ssa-phiopt.c (conditional_replacement): Return early for
8222         complex types.
8223
8224 2008-03-31  Jan Beulich  <jbeulich@novell.com>
8225
8226         * config/ia64/constraints.md: Add 'j' constraint.
8227         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
8228         (movdi_internal): Likewise.
8229
8230 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
8231
8232         PR c/35748
8233         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
8234
8235 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
8236
8237         PR target/35757
8238         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
8239         proper error message for the third argument on blendpd and
8240         blendps.
8241
8242         * config/i386/sse.md (blendbits): New.
8243         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
8244
8245 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
8246
8247         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
8248
8249 2008-03-30  Richard Guenther  <rguenther@suse.de>
8250
8251         PR middle-end/31023
8252         * fold-const.c (fold_sign_changed_comparison): Do leave
8253         conversions to base-types alone.
8254
8255 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8256
8257         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
8258         the link register if one altivec register is be saved.
8259
8260 2008-03-30  Ben Elliston  <bje@au.ibm.com>
8261
8262         * final.c (final_scan_insn): Remove if (0) code.
8263
8264 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
8265
8266         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
8267
8268 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
8269
8270         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
8271         of V4SFmode to ix86_binary_operator_ok.
8272
8273 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
8274
8275         * config/i386/i386.c (override_options): Initialize
8276         ix86_veclib_handler to ix86_veclibabi_svml when
8277         -mveclibabi=svml is used.
8278         (ix86_veclibabi_svml): New function for SVML ABI style
8279         vectorization support.
8280         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
8281
8282 2008-03-28  Rafael Espindola  <espindola@google.com>
8283
8284         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
8285         (tree_binary_nonnegative_warnv_p): Make it public.
8286         (tree_single_nonnegative_warnv_p): Make it public.
8287         (tree_invalid_nonnegative_warnv_p): Make it public.
8288         (tree_unary_nonzero_warnv_p): Make it public.
8289         (tree_binary_nonzero_warnv_p): Make it public
8290         (tree_single_nonzero_warnv_p): Make it public.
8291         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
8292         (extract_range_from_binary_expr): Split the expr argument.
8293         (extract_range_from_unary_expr): Split the expr argument.
8294         (extract_range_from_comparison): Split the expr argument.
8295         (extract_range_from_expr): Use the new aux functions.
8296         (vrp_evaluate_conditional_warnv): Use
8297         vrp_evaluate_conditional_warnv_with_ops.
8298         * tree.h (tree_unary_nonzero_warnv_p): Declare.
8299         (tree_binary_nonzero_warnv_p): Declare.
8300         (tree_single_nonzero_warnv_p): Declare.
8301         (tree_expr_nonzero_warnv_p): Declare.
8302         (tree_unary_nonnegative_warnv_p): Declare.
8303         (tree_binary_nonnegative_warnv_p): Declare.
8304         (tree_single_nonnegative_warnv_p): Declare.
8305         (tree_invalid_nonnegative_warnv_p): Declare.
8306
8307 2008-03-28  Richard Guenther  <rguenther@suse.de>
8308
8309         PR tree-optimization/30317
8310         PR tree-optimization/30911
8311         PR tree-optimization/34793
8312         * tree-vrp.c (set_and_canonicalize_value_range): New function.
8313         (struct assert_locus_d): New member EXPR.
8314         (register_new_assert_for): Add EXPR parameter to support
8315         ASSERT_EXPR <name, expr OP limit>.
8316         (register_edge_assert_for_1): Adjust callers.
8317         (find_assert_locations): Likewise.
8318         (process_assert_insertions_for): Build condition from expression.
8319         (extract_range_from_assert): Handle ASSERT_EXPRs
8320         of the form ASSERT_EXPR <name, expr OP limit>.
8321         (register_edge_assert_for_2): New helper registering
8322         asserts for comparisons.  Recognize range tests of the form
8323         (unsigned)i - CST1 OP CST2.
8324         (register_edge_assert_for_1): Use it.
8325         (register_edge_assert_for): Likewise.
8326         (needs_overflow_infinity): Integer sub-types
8327         do not need overflow infinities.
8328         (vrp_val_is_max): The extreme values of integer sub-types
8329         are those of the base type.
8330         (vrp_val_is_min): Likewise.
8331         * tree.def (ASSERT_EXPR): Document extra allowed conditional
8332         expressions.
8333
8334 2008-03-28  Nick Clifton  <nickc@redhat.com>
8335
8336         PR target/31110
8337         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
8338         Return GENERAL_REGS for stack adjustment reloads.
8339
8340 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8341
8342         PR target/31334
8343         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
8344         const_vector when all the vectors are constant.
8345
8346 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
8347
8348         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
8349         comparisons.
8350         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
8351         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
8352         (scc_sf): New.
8353         (s<code>_sf): Use new scc_sf attribute for opcode names.
8354
8355 2008-03-27  Tom Tromey  <tromey@redhat.com>
8356
8357         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
8358         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
8359         config/spu/t-spu-elf, config/i386/t-interix,
8360         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
8361         config/i386/x-darwin, config/i386/x-mingw32,
8362         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
8363         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
8364         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
8365         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
8366         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
8367         config/rs6000/x-darwin, config/rs6000/t-rs6000,
8368         config/score/t-score-elf, config/arm/t-strongarm-pe,
8369         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
8370         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
8371         Revert automatic dependency patch.
8372
8373 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8374
8375         PR target/35657
8376         * config/i386/i386.c (ix86_function_arg_boundary): Align
8377         decimal floating point to its natural boundary.
8378
8379 2008-03-27  Richard Guenther  <rguenther@suse.de>
8380
8381         PR middle-end/35716
8382         * fold-const.c (fold_comparison): Restrict distinct decl
8383         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
8384         solely rely on operand_equal_p.
8385
8386 2008-03-27  Richard Guenther  <rguenther@suse.de>
8387
8388         PR c/32511
8389         * c-common.c (handle_weak_attribute): Reject combination of
8390         weak and inline.
8391
8392 2008-03-27  Richard Guenther  <rguenther@suse.de>
8393
8394         PR tree-optimization/32810
8395         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
8396         conversions from DECL_INITIAL.
8397         (fold_const_aggregate_ref): Likewise from constructor elements.
8398
8399 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
8400
8401         * tree-affine.h (aff_combination_expand): Declare.
8402         (get_inner_reference_aff): Likewise.
8403         * tree-affine.c (aff_combination_expand): Split out from
8404         tree_to_aff_combination_expand.
8405         (get_inner_reference_aff): New function.
8406         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
8407         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
8408         (struct lim_aux_data): sm_done field removed.
8409         (mem_ref_loc_p, mem_ref_locs_p): New types.
8410         (struct mem_ref): Added id, stored, accesses_in_loop,
8411         indep_loop, dep_loop, indep_ref, dep_ref fields.
8412         Removed is_stored, locs and next fields.
8413         (memory_accesses): New variable.
8414         (movement_possibility): Do not allow moving statements
8415         that store to memory.
8416         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
8417         New functions.
8418         (determine_max_movement): For statements with memory references,
8419         find the outermost loop in that the reference is independent.
8420         (move_computations_stmt): Mark the virtual operands for renaming.
8421         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
8422         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
8423         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
8424         add_vop_ref_mapping, create_vop_ref_mapping_loop,
8425         create_vop_ref_mapping, analyze_memory_references,
8426         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
8427         get_all_locs_in_loop, ref_always_accessed_p,
8428         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
8429         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
8430         store_motion_loop, store_motion): New functions.
8431         (struct vop_to_refs_elt): New type.
8432         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
8433         memref_hash, memref_eq, hoist_memory_references): Rewritten.
8434         (schedule_sm): Replaced by...
8435         (execute_sm): ... this.
8436         (determine_lsm_ref, hoist_memory_references,
8437         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
8438         find_more_ref_vops, free_mem_ref, free_mem_refs,
8439         determine_lsm_loop, determine_lsm): Removed.
8440         (tree_ssa_lim_finalize): Free data structures used by store motion.
8441         (tree_ssa_lim): Call analyze_memory_references.  Use
8442         store_motion instead of determine_lsm.
8443
8444 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
8445
8446         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
8447         rename tmake_file to m68hc11/t-m68hc11.
8448         (mcore): Set inhibit_libc to true.
8449         * config.host (alpha*-dec-*vms*): Set extra_programs.
8450         (interix3*): Don't use host_xmake_file.
8451         * configure.ac: Let config.gcc override inhibit_libc.
8452         * configure: Regenerate.
8453
8454         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
8455         * config/t-openbsd-thread: Remove commented out lines.
8456         
8457         * config/x-interix: Remove.
8458
8459         * config/m68hc11/t-m68hc11-gas: Rename to...
8460         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
8461
8462         * config/mcore/t-mcore: Remove T_CFLAGS.
8463         * config/mcore/t-mcore-pe: Likewise.
8464
8465 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
8466
8467         * configure.ac: Replace custom __GNU_SOURCE test with
8468         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
8469         * aclocal.m4: Regenerate.
8470         * configure: Regenerate.
8471         * config.in: Regenerate.
8472
8473 2008-03-27  Richard Guenther  <rguenther@suse.de>
8474
8475         * fold-const.c (target.h): Include.
8476         (fold_comparison): Fold comparison of addresses of decls
8477         that bind locally or of constants.  Consolidate address folding code.
8478         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
8479         results from fold_binary_to_constant.
8480         (compare_values_warnv): Likewise.
8481
8482 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
8483
8484         PR middle-end/35429
8485         * fold-const.c (fold_truthop): Check for integeral types when folding
8486         a == 0 && b == 0 and a != 0 || b != 0 .
8487
8488 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
8489
8490         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
8491
8492 2008-03-26  Andreas Schwab  <schwab@suse.de>
8493
8494         * doc/invoke.texi: Fix use of @item vs. @itemx.
8495
8496 2008-03-26  Tom Tromey  <tromey@redhat.com>
8497
8498         * Makefile.in (build/gensupport.o, build/print-rtl.o,
8499         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
8500         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
8501         build/gencodes.o, build/genconditions.o, build/genconfig.o,
8502         build/genconstants.o, build/genemit.o, build/genextract.o,
8503         build/genflags.o, build/genmddeps.o, build/genopinit.o,
8504         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
8505         options.h.
8506
8507 2008-03-26  Richard Guenther  <rguenther@suse.de>
8508
8509         Revert
8510         2008-03-26  Richard Guenther  <rguenther@suse.de>
8511
8512         * fold-const.c (target.h): Include.
8513         (fold_comparison): Fold comparison of addresses of two decls
8514         that bind locally.  Consolidate address folding code.
8515
8516 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8517
8518         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
8519         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
8520         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
8521         dconstsqrt2, dconstthird, dconste and/or dconst10.
8522         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
8523         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
8524         dconstsqrt2, dconste): Delete.
8525         (init_emit_once): Likewise.  Simplify initializing dconstm1.
8526         Constify variable.
8527         * real.c (get_real_const): New.
8528         * real.h (dconst3, dconst10, dconstm2, dconstthird,
8529         dconstsqrt2, dconste): Delete.
8530         (real_value_const, get_real_const): New.
8531
8532 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
8533
8534         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
8535
8536         * config/i386/i386.c (ix86_function_arg_boundary): Check
8537         BIGGEST_ALIGNMENT instead of 128.
8538         (setup_incoming_varargs_64): Likewise.
8539
8540 2008-03-26  Tom Tromey  <tromey@redhat.com>
8541
8542         * Makefile.in (DEPFILES): Add missing '/'.
8543
8544 2008-03-26  Richard Guenther  <rguenther@suse.de>
8545
8546         * fold-const.c (target.h): Include.
8547         (fold_comparison): Fold comparison of addresses of two decls
8548         that bind locally.  Consolidate address folding code.
8549
8550 2008-03-26  Nick Clifton  <nickc@redhat.com>
8551
8552         PR target/31232
8553         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
8554         not allow INT+INT as a legitimate addressing mode.
8555
8556 2008-03-26  Richard Guenther  <rguenther@suse.de>
8557
8558         * tree-flow.h (widen_bitfield): Remove declaration.
8559         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
8560         (widen_bitfield): Remove function.
8561         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
8562         code.
8563
8564 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8565
8566         PR target/31558
8567         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
8568         error_mark_node's.
8569
8570 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
8571
8572         PR rtl-optimization/35232
8573         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
8574         (forget_old_reloads_1, forget_marked_reloads): Don't clear
8575         reg_reloaded_call_part_clobbered here.
8576         (reload_regs_reach_end_p): New function.
8577         (reload_reg_rtx_for_input): New variable.
8578         (reload_reg_rtx_for_output): Likewise.
8579         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
8580         when reassigning a pseudo register.  Load reloadreg from 
8581         reload_reg_rtx_for_input, moving the mode and register
8582         calculation to...
8583         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
8584         instead of the original when deciding whether an input reload
8585         would be a no-op or whether an output reload can be deleted.
8586         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
8587         when setting up new_spill_reg_store.  Load it from
8588         reload_reg_rtx_for_output, moving the mode and register
8589         calculation to...
8590         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
8591         instead of the original when deciding whether an output reload
8592         would be a no-op.  Do the same when modifying insn notes.
8593         Use rtx_equal_p instead of == to compare the registers.
8594         (inherit_piecemeal_p): Take a mode and two register numbers
8595         as argument.
8596         (emit_reload_insns): Clear new_spill_reg_store for every hard
8597         register in the reload register.  Remove spill registers
8598         from reg_reloaded_valid before considering whether to record
8599         inheritance information for them.  Use reload_reg_rtx_for_output
8600         instead of reg_rtx when recording output reloads.  Use
8601         reload_reg_rtx_for_input instead of reg_rtx when recording
8602         input reloads.  Set or clear reg_reloaded_call_part_clobbered
8603         at the same time as setting reg_reloaded_valid.
8604         (delete_output_reload): Add a new_reload_reg parameter and use it
8605         instead of rld[j].reg_rtx.
8606         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
8607         calls accordingly.
8608
8609 2008-03-25  Tom Tromey  <tromey@redhat.com>
8610
8611         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
8612         (build/genattr.o): Likewise.
8613         (build/genattrtab.o): Likewise.
8614         (build/gencodes.o): Likewise.
8615         (build/genconfig.o): Likewise.
8616         (build/genconstants.o): Likewise.
8617         (build/genemit.o): Likewise.
8618         (build/genextract.o): Likewise.
8619         (build/genflags.o): Likewise.
8620
8621 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
8622         
8623         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
8624         instead of size_int for integer types.
8625         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
8626         to match type of MINUS_EXPR.
8627         
8628 2008-03-25  Tom Tromey  <tromey@redhat.com>
8629
8630         * configure: Rebuilt.
8631         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
8632         Makefile.
8633
8634 2008-03-25  Tom Tromey  <tromey@redhat.com>
8635
8636         * config/x-solaris (host-solaris.o): Update.
8637         * config/x-linux (host-linux.o): Update.
8638         * config/x-hpux (host-hpux.o): Update.
8639         * config/x-darwin (host-darwin.o): Update.
8640         * config/v850/t-v850e (v850-c.o): Update.
8641         * config/v850/t-v850 (v850-c.o): Update.
8642         * config/t-vxworks (vxworks.o): Update.
8643         * config/t-sol2 (sol2-c.o, sol2.o): Update.
8644         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
8645         * config/spu/t-spu-elf (spu-c.o): Update.
8646         (spu.o): Remove.
8647         * config/sh/t-symbian (sh-c.o): Update.
8648         (symbian.o): Update.
8649         * config/sh/t-sh (sh-c.o): Update.
8650         * config/score/t-score-elf (score7.o, score3.o): Update.
8651         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
8652         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
8653         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
8654         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
8655         (rs6000.o): Remove.
8656         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
8657         * config/m32c/t-m32c (m32c-pragma.o): Update.
8658         * config/ia64/t-ia64 (ia64-c.o): Update.
8659         * config/i386/x-mingw32 (host-mingw32.o): Update.
8660         * config/i386/x-i386 (driver-i386.o): Update.
8661         * config/i386/x-darwin (host-i386-darwin.o): Update.
8662         * config/i386/x-cygwin (host-cygwin.o): Update.
8663         * config/i386/t-nwld (nwld.o): Update.
8664         * config/i386/t-netware (netware.o): Update.
8665         * config/i386/t-interix (winnt.o): Update.
8666         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
8667         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
8668         msformat-c.o): Update.
8669         * config/bfin/t-bfin-linux (generated_files): Add
8670         linux-sysroot-suffix.h.
8671         * config/arm/t-wince-pe (pe.o): Update.
8672         * config/arm/t-strongarm-pe (pe.o): Update.
8673         * config/arm/t-pe (pe.o): Update.
8674         * config/arm/t-arm (arm-c.o): Update.
8675         * doc/install.texi (Prerequisites): Require make 3.80.
8676         * Makefile.in: Remove .o targets.
8677         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
8678         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
8679         (simple_generated_h, simple_generated_c): Move earlier.
8680         (generated_files): New variable.
8681         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
8682         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
8683         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
8684         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
8685         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
8686         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
8687         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
8688         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
8689         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
8690         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
8691         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
8692         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
8693         (.c.o): Remove.
8694         (COMPILE.base, COMPILE): New variables.
8695         (%.o): New pattern rule.
8696         (ALL_HOST_OBJS): New variable.
8697         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
8698         (dummy-checksum.o, cc1-checksum.o): Remove.
8699         (DRIVER_SHLIB): New variable.
8700         (DRIVER_DEFINES): Use it.
8701         (gencondmd.c): Move out of build/.
8702         (s-conditions): Update.
8703         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
8704         (ALL_BUILD_OBJS): Likewise.
8705         (build/%.o): Use BUILDCOMPILE.
8706         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
8707         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
8708         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
8709         build/gencheck.o, build/gencodes.o, build/genconditions.o,
8710         build/genconfig.o, build/genconstants.o, build/genemit.o,
8711         build/genextract.o, build/genflags.o, build/genmddeps.o,
8712         build/genopinit.o, build/genoutput.o, build/genpeep.o,
8713         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
8714         build/gen-protos.o, build/scan.o, build/fix-header.o,
8715         build/scan-decls.o): Simplify.
8716         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
8717         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
8718         prefix.o, toplev.o): Reduce to variable setting.
8719         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
8720         ($(out_object_file), gcc-options.o): New targets.
8721         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
8722         * configure: Rebuilt.
8723         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
8724         * doc/sourcebuild.texi (Front End Directory): Document new variable.
8725
8726 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
8727
8728         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
8729         complain when we hit an error, return ERROR_MARK_NODE.
8730
8731 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
8732
8733         * config/sh/constraints.md (Pso, Psz): New constraints.
8734         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
8735         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
8736
8737 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
8738
8739         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
8740         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
8741
8742 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
8743
8744         * config/sh/sh.md (prefetch): Add condition for SH2A target.
8745         (prefetch_sh2a): New.   
8746
8747 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
8748             Naveen.H.S  <naveen.hs@kpitcummins.com>
8749
8750         * config/sh/constraints.md (I28): New constraint.
8751         * config/sh/sh.c (broken_move): Add support for movi20s.
8752         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
8753
8754 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
8755             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
8756             Naveen.H.S  <naveen.hs@kpitcummins.com>
8757
8758         * config/sh/sh.c (SH_ATTRIBUTES): Define.
8759         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
8760         (print_operand): Handle resbank in %@ operand code.
8761         (sh_encode_section_info): New.
8762         (push_regs): Add conditions for resbank.
8763         (sh_expand_epilogue): Likewise.
8764         (sh_insert_attributes): Likewise.
8765         (sh_attribute_table): Likewise.
8766         (sh_handle_resbank_handler_attribute): New.
8767         (sh2a_handle_function_vector_handler_attribute): New.
8768         (sh2a_is_function_vector_call): New.
8769         (sh2a_get_function_vector_number): New.
8770         (sh2a_function_vector_p): New.
8771         (sh_cfun_resbank_handler_p): New.
8772         * config/sh/sh.md (calli): Emit jsr/n if possible.
8773         (calli_tbr_rel): New.
8774         (calli_pcrel): Emit jsr/n if possible.
8775         (return_i): Emit rts/n if possible.
8776         (call_valuei_tbr_rel): New.
8777         (call_valuei_pcrel): Add condition for SH2A target.
8778         (call_value): Likewise.
8779         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
8780         (sh2a_get_function_vector_number): Likewise.
8781         (sh2a_is_function_vector_call): Likewise.
8782         * doc/extend.texi: Document TBR relative addressing of SH2A.
8783         (resbank): Add description for SH2A.
8784
8785 2008-03-24  Richard Guenther  <rguenther@suse.de>
8786
8787         PR c/22371
8788         * gimplify.c (gimplify_modify_expr): For frontend type-correct
8789         pointer assignments change conversions according to middle-end rules.
8790         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
8791         * configure.ac: Include type checking in yes.
8792         * configure: Regenerate.
8793
8794 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8795
8796         * diagnostic.c (diagnostic_count_diagnostic): Delete.
8797         (diagnostic_report_diagnostic): Update. Handle ICEs here.
8798         
8799 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
8800
8801         * gthr-vxworks.h (UNUSED): Define.
8802
8803 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
8804
8805         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
8806
8807 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
8808
8809         * doc/extend.texi (Function Attributes): Add missing comma in the
8810         example of the "alloc_size" attribute.
8811         
8812 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
8813
8814         Revert:
8815         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
8816
8817         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8818         32bit host.
8819
8820         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
8821
8822         PR target/35496
8823         * stor-layout.c (update_alignment_for_field): Set minimum alignment
8824         of the underlying type of a MS bitfield layout to the natural
8825         alignment of the type.
8826
8827         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
8828
8829         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
8830         to their natural alignment to avoid store forwarding stalls.
8831
8832 2008-03-22  Richard Guenther  <rguenther@suse.de>
8833
8834         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
8835         For PHI nodes verify the address is invariant.
8836         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
8837         (get_symbol_constant_value): Use is_gimple_min_invariant.
8838         (maybe_fold_stmt_indirect): Likewise.
8839
8840 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
8841
8842         PR rtl-optimization/33927
8843         * Makefile.in (dse.o): Depend on $(TM_P_H).
8844         * expr.h (extract_low_bits): Declare.
8845         * expmed.c (extract_low_bits): New function.
8846         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
8847         * dse.c: Include tm_p.h.
8848         (find_shift_sequence): Remove the read_reg argument and return the
8849         read value.  Emit the instructions instead of returning them.
8850         Iterate on new_mode rather than calculating it each time.
8851         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
8852         source to NEW_MODE and extract_low_bits to convert the shifted
8853         value to READ_MODE.
8854         (replace_read): Allow the load and store to have different mode
8855         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
8856         or extraction instructions before trying the replacement.  Update
8857         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
8858
8859 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
8860
8861         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
8862         to their natural alignment to avoid store forwarding stalls.
8863
8864 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8865
8866         PR target/27946
8867         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
8868         encouraging but not allowing gprs for input;
8869         change the input constraint to !f#r.
8870         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
8871         gprs for output;
8872         change the output constraint to !f#r.
8873
8874 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
8875
8876         PR target/13958
8877         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
8878         corresponding post-reload splitters.
8879         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
8880         when x87 FP math is selected.
8881         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
8882         New function prototype.
8883         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
8884         unreachable function to ease macroization of insn patterns.
8885
8886 2008-03-21  Martin Jambor  <mjambor@suse.cz>
8887
8888         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
8889         reference dumps if ddr is NULL or dependence is unknown.
8890
8891 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8892
8893         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
8894         unsigned extension into account.
8895         (ATOMIC_COMPARE_AND_SWAP): Likewise.
8896         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
8897         Do computations on a scratch register.
8898
8899 2008-03-21  Richard Guenther  <rguenther@suse.de>
8900
8901         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
8902         Use is_gimple_min_invariant instead of TREE_INVARIANT.
8903         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
8904         * tree-ssa-dom.c (record_equality): Likewise.
8905         * tree-inline.c (copy_body_r): Likewise.
8906         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
8907         TREE_INVARIANT.
8908
8909 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8910
8911         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
8912         as 'delete_unused' argument.
8913
8914 2008-03-20  Richard Guenther  <rguenther@suse.de>
8915
8916         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
8917         special casing of constant qualifiers.
8918         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
8919         care about them in general.
8920         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
8921         regardless of their type.
8922         (fold_stmt_r): Forcefully fold *& if we end up with that.
8923
8924 2008-03-20  Paul Brook  <paul@codesourcery.com>
8925
8926         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
8927         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
8928         linker flags.
8929         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
8930         definition.
8931         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
8932         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
8933
8934 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
8935
8936         * common.opt (Wmudflap): New option.
8937         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
8938         (mx_register_decls): Likewise.
8939         (mudflap_finish_file): Likewise.
8940         * doc/invoke.texi: Document -Wno-mudflap.
8941
8942 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
8943
8944         * c-format.c (replace_format_name_to_system_name): New.
8945         (cmp_attribs): New.
8946         (convert_format_name_to_system_name): New.
8947         (decode_format_attr): Add use of convert_format_name_to_system_name.
8948         (format_types_orig): Add gnu_ prefix to names.
8949         (check_format_info_main): Special treating of \0 escaped names for
8950         supporting multi-character format specifiers as I32, I64.
8951         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
8952         (gnu_target_overrides_format_attributes): New.
8953         * c-format.h: Add structure target_ovr_attr to hold
8954         system specific formatter names.
8955         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
8956         msformat-c.o file to c_target_objs and cxx_target_objs.
8957         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
8958         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
8959         (TARGET_N_FORMAT_TYPES): New.
8960         * config/i386/msformat-c.c: New.
8961         * config/i386/t-cygming: Add build rule for msformat-c.o.
8962         * doc/extend.texi: Add new format names gnu_* and ms_* and
8963         further details.
8964         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
8965
8966 2008-03-20  Ira Rosen  <irar@il.ibm.com>
8967
8968         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
8969         optimizations turned on under -O3.
8970         (ftree-vectorize): Add that the flag is turned on with -O3.
8971
8972 2008-03-20  Ben Elliston  <bje@au.ibm.com>
8973
8974         * regmove.c (try_auto_increment): Fix spelling error in comment.
8975         * final.c (final_scan_insn): Likewise.
8976
8977 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
8978
8979         PR target/14552
8980         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
8981         allocator preferences for "y" and "r" class registers.
8982         ("*mov<mode>_internal"): Ditto.
8983         ("*movv2sf_internal_rex64"): Ditto.
8984         ("*movv2sf_internal"): Ditto.
8985
8986 2008-03-19  Michael Matz  <matz@suse.de>
8987
8988         PR middle-end/35616
8989         * calls.c (expand_call): Check overlap of arguments with call
8990         address for sibcalls.
8991
8992 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
8993
8994         PR target/35496
8995         * stor-layout.c (update_alignment_for_field): Set minimum alignment
8996         of the underlying type of a MS bitfield layout to the natural
8997         alignment of the type.
8998
8999 2008-03-19  Jan Hubicka  <jh@suse.cz>
9000
9001         PR other/35094
9002         * toplev.c (decode_d_option): Handle all CPP flags.
9003         * tree-vrp.c: Update tree_pass descriptors.
9004         * regrename.c: Update tree_pass descriptors.
9005         * fwprop.c: Update tree_pass descriptors.
9006         * doc/invoke.texi: Remove documentation of dropped -d? flags.
9007         * tree-into-ssa.c: Update tree_pass descriptors.
9008         * tree-dump.c: Update tree_pass descriptors.
9009         * tree-complex.c: Update tree_pass descriptors.
9010         * tree-dump.h: Update tree_pass descriptors.
9011         * see.c: Update tree_pass descriptors.
9012         * cgraphbuild.c: Update tree_pass descriptors.
9013         * tracer.c: Update tree_pass descriptors.
9014         * tree-loop-distribution.c: Update tree_pass descriptors.
9015         * cgraph.c: Update tree_pass descriptors.
9016         * postreload-gcse.c: Update tree_pass descriptors.
9017         * postreload.c: Update tree_pass descriptors.
9018         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
9019         * tree-tailcall.c: Update tree_pass descriptors.
9020         * tree-pass.h (tree_opt_pass): Rename to ...
9021         (opt_pass) ... this one; add "type" field and remove letter field.
9022         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
9023         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
9024         all_lowering_passes): Update declaration.
9025         * ipa-cp.c: Update tree_pass descriptors.
9026         * final.c: Update tree_pass descriptors.
9027         * omp-low.c: Update tree_pass descriptors.
9028         * tree-ssa-dse.c: Update tree_pass descriptors.
9029         * ipa-reference.c: Update tree_pass descriptors.
9030         * tree-ssa-uncprop.c: Update tree_pass descriptors.
9031         * auto-inc-dec.c: Update tree_pass descriptors.
9032         * reorg.c: Update tree_pass descriptors.
9033         * cgraphunit.c: Update tree_pass descriptors.
9034         * tree-ssa-copyrename.c: Update tree_pass descriptors.
9035         * tree-ssa-ccp.c: Update tree_pass descriptors.
9036         * df-core.c: Update tree_pass descriptors.
9037         * mode-switching.c: Update tree_pass descriptors.
9038         * tree-nomudflap.c: Update tree_pass descriptors.
9039         * modulo-sched.c: Update tree_pass descriptors.
9040         * ipa-pure-const.c: Update tree_pass descriptors.
9041         * cse.c: Update tree_pass descriptors.
9042         * web.c: Update tree_pass descriptors.
9043         * tree-stdarg.c: Update tree_pass descriptors.
9044         * tree-ssa-math-opts.c: Update tree_pass descriptors.
9045         * tree-ssa-dom.c: Update tree_pass descriptors.
9046         * tree-nrv.c: Update tree_pass descriptors.
9047         * tree-ssa-alias.c: Update tree_pass descriptors.
9048         * loop-init.c: Update tree_pass descriptors.
9049         * gimple-low.c: Update tree_pass descriptors.
9050         * ipa-inline.c: Update tree_pass descriptors.
9051         * tree-ssa-sink.c: Update tree_pass descriptors.
9052         * global.c: Update tree_pass descriptors.
9053         * ifcvt.c: Update tree_pass descriptors.
9054         * jump.c: Update tree_pass descriptors.
9055         * predict.c: Update tree_pass descriptors.
9056         * tree-ssa-loop.c: Update tree_pass descriptors.
9057         * recog.c: Update tree_pass descriptors.
9058         * dse.c: Update tree_pass descriptors.
9059         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
9060         * tree-eh.c: Update tree_pass descriptors.
9061         * regmove.c: Update tree_pass descriptors.
9062         * local-alloc.c
9063         * function.c: Update tree_pass descriptors.
9064         * tree-vectorizer.c: Update tree_pass descriptors.
9065         * gcse.c: Update tree_pass descriptors.
9066         * ipa-type-escape.c: Update tree_pass descriptors.
9067         * tree-if-conv.c: Update tree_pass descriptors.
9068         * init-regs.c: Update tree_pass descriptors.
9069         * ipa.c: Update tree_pass descriptors.
9070         * tree-ssa-phiopt.c: Update tree_pass descriptors.
9071         * rtl-factoring.c: Update tree_pass descriptors.
9072         * lower-subreg.c: Update tree_pass descriptors.
9073         * bt-load.c: Update tree_pass descriptors.
9074         * tree-dfa.c: Update tree_pass descriptors.
9075         * except.c: Update tree_pass descriptors.
9076         * emit-rtl.c: Update tree_pass descriptors.
9077         * cfgexpand.c: Update tree_pass descriptors.
9078         * tree-cfgcleanup.c: Update tree_pass descriptors.
9079         * cfgcleanup.c: Update tree_pass descriptors.
9080         * tree-ssa-pre.c: Update tree_pass descriptors.
9081         * tree-sra.c: Update tree_pass descriptors.
9082         * tree-mudflap.c: Update tree_pass descriptors.
9083         * tree-ssa-copy.c: Update tree_pass descriptors.
9084         * cfglayout.c: Update tree_pass descriptors.
9085         * tree-ssa-forwprop.c: Update tree_pass descriptors.
9086         * tree-ssa-dce.c: Update tree_pass descriptors.
9087         * tree-ssa.c: Update tree_pass descriptors.
9088         * regclass.c: Update tree_pass descriptors.
9089         * integrate.c: Update tree_pass descriptors.
9090         * tree-optimize.c: Update tree_pass descriptors.
9091         * tree-ssa-phiprop.c: Update tree_pass descriptors.
9092         * tree-object-size.c: Update tree_pass descriptors.
9093         * combine.c: Update tree_pass descriptors.
9094         * tree-outof-ssa.c: Update tree_pass descriptors.
9095         * bb-reorder.c: Update tree_pass descriptors.
9096         * stack-ptr-mod.c: Update tree_pass descriptors.
9097         * var-tracking.c: Update tree_pass descriptors.
9098         * tree-profile.c: Update tree_pass descriptors.
9099         * tree-vect-generic.c: Update tree_pass descriptors.
9100         * reg-stack.c: Update tree_pass descriptors.
9101         * sched-rgn.c: Update tree_pass descriptors.
9102         * tree-ssa-structalias.c: Update tree_pass descriptors.
9103         * tree-cfg.c: Update tree_pass descriptors.
9104         * passes.c (current_pass): Update declaration.
9105         (finish_optimization_passes): Update.
9106         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
9107         (register_one_dump_file, register_dump_files_1, next_pass_1):
9108         Update arguments.
9109         (init_optimization_passes): Update handling of new types.
9110         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
9111         * ipa-struct-reorg.c: Update tree_pass descriptors.
9112         * tree-ssa-reassoc.c: Update tree_pass descriptors.
9113         * combine-stack-adj.c: Update tree_pass descriptors.
9114         * cfgrtl.c: Update tree_pass descriptors.
9115         * dce.c: Update tree_pass descriptors.
9116         * tree-ssanames.c: Update tree_pass descriptors.
9117
9118 2008-03-19  Richard Guenther  <rguenther@suse.de>
9119
9120         PR middle-end/35609
9121         * tree-ssa.c (walk_data): New structure.
9122         (warn_uninitialized_var): If not always_executed warn with "maybe"
9123         instead of "is".
9124         (execute_early_warn_uninitialized): Compute post-dominators.
9125         Initialize always_executed before processing each basic block.
9126
9127 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
9128
9129         PR target/35504
9130         * config/i386/i386.c (x86_this_parameter): Calculate correct location
9131         of "this" pointer when "regparm = N" or "fastcall" is in effect.
9132
9133 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9134
9135         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
9136
9137 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
9138
9139         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
9140         is true.
9141         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
9142         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
9143         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
9144         target after ignore has been set, and move there also the commputation
9145         of subtarget and original_target.
9146         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
9147         (LANG_HOOKS_INITIALIZER): Remove it.
9148         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
9149
9150 2008-03-18  Richard Guenther  <rguenther@suse.de>
9151
9152         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
9153         found an expression with constants, note that in the VN for the lhs.
9154         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
9155         fold them to constants if possible.  Run cleanup_cfg if done so.
9156         (execute_pre): Return todo.
9157         (do_pre): Likewise.
9158         (execute_fre): Likewise.
9159         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
9160         of constants.
9161         (get_prop_source_stmt): Look through pointer conversions.
9162
9163 2008-03-18  Jan Hubicka  <jh@suse.cz>
9164
9165         * tree-pretty-print.c: Include predict.h.
9166         (dump_generic_node): Dump predictor.
9167         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
9168         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
9169         * gimple-low.c (lower_stmt): Likewise.
9170         * expr.c (expand_expr_real): Likewise.
9171         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
9172         them.
9173         (build_predict_expr, build_predict_expr): New.
9174         * predict.h (predictor_name, build_predict_expr): Update.
9175         * c-typeck.c (c_finish_bc_stmt): Add prediction.
9176         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
9177         * predict.def (PRED_CONTINUE): Update hitrate.
9178         * tree.def (PREDICT_EXPR): Define.
9179         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
9180         do not handle BIND_EXPR.
9181         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
9182         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
9183         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
9184         operands.
9185
9186 2008-03-18  Michael Matz  <matz@suse.de>
9187
9188         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
9189
9190 2008-03-18  Richard Guenther  <rguenther@suse.de>
9191
9192         * tree-gimple.h (is_gimple_invariant_address): Declare.
9193         (is_gimple_constant): Likewise.
9194         * tree-gimple.c (is_gimple_constant): New function.
9195         (is_gimple_invariant_address): Likewise.
9196         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
9197         and is_gimple_invariant_address.
9198         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
9199         previous change.
9200         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
9201         an addressable base.
9202
9203 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
9204
9205         PR middle-end/35611
9206         * gimplify.c (gimplify_expr): Gimplify second operand of
9207         OMP_ATOMIC_LOAD.
9208
9209 2008-03-17  Richard Guenther  <rguenther@suse.de>
9210
9211         PR tree-optimization/19637
9212         * fold-const.c (fold_unary): Remove restrictions of removing
9213         intermediate pointer-conversions (P2)(P1)P0.
9214         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
9215         conversion to void pointer.
9216         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
9217
9218 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
9219
9220         PR debug/31510
9221         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
9222         emulated thread local variables.
9223
9224 2008-03-16  Richard Guenther  <rguenther@suse.de>
9225
9226         PR middle-end/35607
9227         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
9228         expand TREE_INVARIANT operations that are not gimple invariant.
9229
9230 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
9231
9232         * doc/extend.texi (Alignment): Say that the ABI controls
9233         the __alignof__ for non-strict-alignment targets rather
9234         than being a recommendation.
9235
9236 2008-03-15  Paul Brook  <paul@codesourcery.com>
9237
9238         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
9239         annotations.
9240         (arm_output_fn_unwind): Mark functions that can not be unwound.
9241
9242 2008-03-15  Paul Brook  <paul@codesourcery.com>
9243
9244         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
9245         extension instructions.
9246
9247 2008-03-15  Richard Guenther  <rguenther@suse.de>
9248
9249         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
9250         and fold constant aggregate refs.
9251         (fold_const_aggregate_ref): Handle string constants
9252         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
9253         (evaluate_stmt): Simplify now that ccp_fold folds constant
9254         aggregate refs.
9255
9256 2008-03-15  Paul Brook  <paul@codesourcery.com>
9257
9258         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
9259         (extzv): Use gen_extzv_t2.
9260         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
9261
9262 2008-03-15  Richard Guenther  <rguenther@suse.de>
9263
9264         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
9265         (fold_const_aggregate_ref): Likewise.
9266         (get_value): Return NULL if we don't have any values.
9267         (ccp_finalize): Set const_val to NULL after freeing it.
9268         * tree-flow.h (get_symbol_constant_value): Declare.
9269         (fold_const_aggregate_ref): Likewise.
9270         * tree-ssa-sccvn.c (try_to_simplify): Use them.
9271
9272 2008-03-15  Richard Guenther  <rguenther@suse.de>
9273
9274         PR middle-end/35593
9275         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
9276         to not produce negative array indices if not allowed.  Add
9277         parameter to indicate that.
9278         (maybe_fold_offset_to_component_ref): Allow negative array
9279         indices only for the first member of a structure.
9280         (maybe_fold_offset_to_reference): Allow negative array indices.
9281         (maybe_fold_stmt_addition): Likewise.
9282
9283 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
9284             Anatoly Sokolov <aesok@post.ru>
9285
9286         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
9287         (avr_arch): Add ARCH_AVR6.
9288         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
9289         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
9290         instead of fixed value 2.
9291         (print_operand_address): Use gs() asm specifier instead of pm().
9292         (avr_assemble_integer): (Ditto.).
9293         (avr_output_addr_vec_elt): (Ditto.).
9294         (print_operand): Handle "!" code.
9295         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
9296         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
9297         (AVR_HAVE_EIJMP_EICALL): Define.
9298         (AVR_3_BYTE_PC): Redefine.
9299         (AVR_2_BYTE_PC): (Ditto.).
9300         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
9301         (LINK_SPEC): Add atmega2560 and atmega2561.
9302         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
9303         (crtm2561.o).
9304         * config/avr/avr.md (call_insn): Use eicall instead of icall 
9305         for 3 byte PC devices.
9306         (call_value_insn): (Ditto.).
9307         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
9308         (indirect_jump): Use only for for 2 byte PC devices.
9309         (*tablejump): (Ditto.).
9310         (*indirect_jump_avr6): Add insn.
9311         (*tablejump_rjmp): Don't use for 3 byte PC devices.
9312         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
9313         instead of ijmp for 3 byte PC devices.
9314         (__tablejump2__): (Ditto.).
9315         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
9316         (MULITLIB_DIRNAMES): (Ditto.). 
9317         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
9318
9319 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
9320
9321         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
9322         "sse2_umulsidi3".  Use V1DI mode for operand 0.
9323         ("mmx_psadbw"): Use V1DI mode for operand 0.
9324         * config/i386/i386-modes.def (V1SI): New vector mode.
9325         * config/i386/i386.c (struct builtin_description)
9326         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
9327         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
9328         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
9329         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
9330         v1di_ftype_v8qi_v8qi type.
9331         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
9332
9333         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
9334         __builtin_ia32_pmuludq]: Fix the mode of return value.
9335
9336 2008-03-15  Richard Guenther  <rguenther@suse.de>
9337
9338         PR middle-end/35595
9339         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
9340         being a PHI_NODE.
9341
9342 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
9343         
9344         * doc/invoke.texi (Option Summary, Xtensa Options): Document
9345         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
9346         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
9347         unless TARGET_SERIALIZE_VOLATILE is enabled.
9348         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
9349         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
9350         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
9351
9352 2008-03-14  Richard Guenther  <rguenther@suse.de>
9353
9354         PR tree-optimization/34172
9355         * tree-flow.h (refs_may_alias_p): Declare.
9356         (get_single_def_stmt): Likewise.
9357         (get_single_def_stmt_from_phi): Likewise.
9358         (get_single_def_stmt_with_phi): Likewise.
9359         * tree-dfa.c (refs_may_alias_p): New function.
9360         (get_single_def_stmt): Likewise.
9361         (get_single_def_stmt_from_phi): Likewise.
9362         (get_single_def_stmt_with_phi): Likewise.
9363         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
9364         (vn_reference_lookup_1): New helper function.
9365         (vn_reference_lookup): Walk the virtual use-def chain to
9366         continue searching for a match if the def does not alias the
9367         reference we are looking for.
9368
9369 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
9370
9371         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
9372         archive and Perzl.  Update The Written Word listing.
9373
9374 2008-03-14  Richard Guenther  <rguenther@suse.de>
9375
9376         PR tree-optimization/34043
9377         PR tree-optimization/33989
9378         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
9379         when doing FRE.
9380         (bitmap_find_leader): Use extra argument to verify dominance
9381         relationship inside a basic-block.
9382         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
9383         (find_leader_in_sets): Adjust.
9384         (create_component_ref_by_pieces): Take extra argument for
9385         dominance check, handle lookup failures.
9386         (find_or_generate_expression): Likewise.
9387         (create_expression_by_pieces): Likewise.
9388         (insert_into_preds_of_block): Adjust.
9389         (create_value_expr_from): If asked for, verify all operands
9390         are in the blocks AVAIL_OUT set.
9391         (make_values_for_stmt): Check for SSA_NAMEs that are life
9392         over an abnormal edge.
9393         (compute_avail): Remove such check.
9394         (do_SCCVN_insertion): New function.
9395         (eliminate): If we do not find a leader suitable for replacement
9396         insert a replacement expression from SCCVN if available.
9397         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
9398         (struct vn_ssa_aux): Add needs_insertion flag.
9399         * tree-ssa-sccvn.c (may_insert): New global flag.
9400         (copy_reference_ops_from_ref): Value-number union member access
9401         based on its size, not type and member if insertion is allowed.
9402         (visit_reference_op_load): For a weak match from union type
9403         punning lookup a view-converted value and insert a SSA_NAME
9404         for that value if that is not found.
9405         (visit_use): Make dumps shorter.  Do not disallow value numbering
9406         SSA_NAMEs that are life over an abnormal edge to constants.
9407         (free_scc_vn): Release inserted SSA_NAMEs.
9408         (run_scc_vn): New flag to specify whether insertion is allowed.
9409         Process SSA_NAMEs in forward order.
9410         * tree-ssa-loop-im.c (for_each_index): Handle invariant
9411         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
9412         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
9413         pointer type to/from integral types that do not change the
9414         precision to regular conversions.
9415
9416 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
9417
9418         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
9419         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
9420         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
9421         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
9422         input arguments and the mode of return value.  Built-in functions
9423         that operate on whole 64-bit MMX register now use V1DI mode.
9424
9425 2008-03-13  Alon Dayan  <alond@il.ibm.com>
9426             Olga Golovanevsky  <olga@il.ibm.com>
9427
9428         PR tree-optimization/35041
9429         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
9430         to locate the right position in a statement.
9431
9432 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
9433
9434         PR target/34000
9435         PR target/35553
9436         * config/i386/xmmintrin.h:  Change all static inline functions to
9437         extern inline and add __gnu_inline__ attribute.
9438         * config/i386/bmintrin.h: Ditto.
9439         * config/i386/smmintrin.h: Ditto.
9440         * config/i386/tmmintrin.h: Ditto.
9441         * config/i386/mmintrin-common.h: Ditto.
9442         * config/i386/ammintrin.h: Ditto.
9443         * config/i386/emmintrin.h: Ditto.
9444         * config/i386/pmmintrin.h: Ditto.
9445         * config/i386/mmintrin.h: Ditto.
9446         * config/i386/mm3dnow.h: Ditto.
9447
9448 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
9449
9450         PR middle-end/35185
9451         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
9452         (lower_omp_2): New function.
9453         (lower_omp_1, lower_omp): Rewritten.
9454
9455 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
9456
9457         PR 35054
9458         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
9459         with the phrase "Microsoft Windows compilers".
9460         (Push/Pop Macro Pragmas): New subsection. Document
9461         #pragma push_macro and pragma pop_macro.
9462
9463 2008-03-12  Paul Brook  <paul@codesourcery.com>
9464
9465         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
9466
9467 2008-03-12  Paul Brook  <paul@codesourcery.com>
9468
9469         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
9470         (thumb2_alusi3_short): Exclude PLUS and MINUS.
9471         (thumb2_addsi_shortim): Rename ...
9472         (thumb2_addsi_short): ... to this.  Allow register operands.
9473         (thumb2_subsi_short): New pattern.
9474         (thumb2_one_cmplsi2_short,
9475         thumb2_negsi2_short): New patterns and peepholes.
9476
9477 2008-03-12  Paul Brook  <paul@codesourcery.com>
9478
9479         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
9480
9481 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
9482
9483         * config/i386/i386.md (int_cond): New code iterator.
9484         (fp_cond): Ditto.
9485         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
9486         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
9487         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
9488         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
9489         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
9490         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
9491         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
9492         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
9493
9494 2008-03-12  Paul Brook  <paul@codesourcery.com>
9495
9496         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
9497         instead of {arm,thumb}_compute_save_reg_mask.
9498         (output_return_instruction): Ditto.
9499         (thumb_unexpanded_epilogue): Ditto.
9500         (thumb1_expand_prologue): Ditto.
9501         (thumb1_output_function_prologue): Ditto.
9502         (arm_set_return_address): Ditto.
9503         (thumb_set_return_address): Ditto.
9504         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
9505         regs to achieve stack alignment.
9506         (thumb1_compute_save_reg_mask): Fix compiler warning.
9507         (arm_output_epilogue): Use offsets->saved_regs_mask.
9508         Adjust stack pointer by poping call clobered registers.
9509         (arm_expand_prologue): Use offsets->saved_regs_mask.
9510         Adjust stack pointer by pushing extra registers.
9511         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
9512
9513 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
9514
9515         PR tree-opt/35422
9516         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
9517         conversion to the operands of a multiplication.
9518
9519 2008-03-12  Richard Guenther  <rguenther@suse.de>
9520
9521         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
9522         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
9523         * timevar.def (TV_TREE_PHIPROP): Add.
9524         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
9525         pass description.  Use TV_TREE_PHIPROP.
9526         * tree-ssa-forwprop.c: Remove phiprop code.
9527
9528 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
9529
9530         PR middle-end/35549
9531         * omp-low.c (maybe_lookup_decl): Constify first argument.
9532         (use_pointer_for_field): Change last argument from bool to
9533         omp_context *.  Disallow shared copy-in/out in nested
9534         parallel if decl is shared in outer parallel too.
9535         (build_outer_var_ref, scan_sharing_clauses,
9536         lower_rec_input_clauses, lower_copyprivate_clauses,
9537         lower_send_clauses, lower_send_shared_vars): Adjust callers.
9538
9539 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
9540             Ira Rosen  <irar@il.ibm.com>
9541
9542         * tree-vectorizer.c (free_stmt_vec_info): New function.
9543         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
9544         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
9545         * tree-vectorizer.h (free_stmt_vec_info): Declare.
9546         * tree-vect-transform.c (vectorizable_conversion): Free
9547         vec_oprnds0 if it was allocated.
9548         (vect_permute_store_chain): Remove unused VECs.
9549         (vectorizable_store): Free VECs that are allocated in the..
9550         function.
9551         (vect_transform_strided_load, vectorizable_load): Likewise.
9552         (vect_remove_stores): Simplify the code.
9553         (vect_transform_loop): Move code to vect_remove_stores().
9554         Call vect_remove_stores() and free_stmt_vec_info().
9555
9556 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9557
9558         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
9559         TARGET_HPUX.  Revise comment.
9560         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
9561         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
9562         Use sr4 variant of `be' instruction when not generating PIC code.
9563         (attr_length_call): Adjust for above change.
9564
9565 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9566
9567         * ipa-reference.c (static_execute): Remove module_statics_const and
9568         associated setting code.
9569
9570 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
9571
9572         PR target/35540
9573         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
9574         predicate for operand 1.
9575         (paritysi2_cmp): Use register_operand predicate for operand 2.
9576         Use earlyclobber modifier for operand 1.  Remove support for
9577         memory operands.
9578         (paritydi2_cmp): Use register_operand predicate for operand 3.
9579         Use earlyclobber modifier for operand 1.  Remove support for
9580         memory operands.
9581
9582 2008-03-11  Paul Brook  <paul@codesourcery.com>
9583             Vladimir Prus  <vladimir@codesourcery.com>
9584
9585         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
9586         (arm_compute_save_reg0_reg12_mask): Always
9587         check if register 11 must be saved.  Always safe hard frame pointer
9588         when frame_pointer_needeed.
9589         (arm_compute_save_reg_mask): Save IP and PC
9590         only with apcs frames.
9591         (arm_output_epilogue): Adjust Thumb2 codepath to
9592         be also invoked and work for ARM non-apcs frames.
9593         (arm_expand_prologue): Don't bother saving IP
9594         for non-apcs frame, since it's not clobbered by
9595         prologue code.  Implement non-apcs frame
9596         layout.
9597
9598 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
9599
9600         PR rtl-optimization/35281
9601         * expr.c (convert_move): Use a new pseudo for the intermediate
9602         from_mode->word_mode result.
9603
9604 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
9605
9606         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
9607         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
9608         * toplev.c (compile_file): Don't call it.
9609
9610 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
9611
9612         PR middle-end/35526
9613         * expr.c (store_expr): Call emit_block_move if the mode
9614         of "temp" RTX is BLKmode.
9615
9616 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9617             Richard Guenther  <rguenther@suse.de>
9618
9619         PR tree-optimization/31358
9620         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
9621         the step with a NULL_TREE.
9622         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
9623         to sizetype if type is a pointer type.
9624         (add_candidate_1): Don't convert the base and step to
9625         the generic type if the orginal type is a pointer type.
9626         (add_iv_value_candidates): Use sizetype for the step
9627         if type is a pointer type.
9628         (cand_value_at): Likewise.
9629         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
9630         for pointer types.
9631         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
9632         Don't convert the tem affine to the type.
9633         (add_elt_to_tree): Use sizetype for the step if a pointer.
9634         Use POINTER_PLUS_EXPR for pointers.
9635         (aff_combination_to_tree): Use sizetype for the step if a
9636         pointer.
9637
9638 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
9639
9640         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
9641         Remove commutativity hint.
9642
9643 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
9644
9645         PR c/35438
9646         PR c/35439
9647         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
9648         errorneous type.  Check that v is a VAR_DECL.
9649
9650         PR middle-end/35099
9651         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
9652
9653 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
9654
9655         PR tree-optimization/35494
9656         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
9657         may be overriden at link and run time.
9658
9659 2008-03-10  Richard Guenther  <rguenther@suse.de>
9660
9661         PR tree-optimization/34677
9662         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
9663         (poolify_tree): Likewise.
9664         (modify_expr_template): Likewise.
9665         (poolify_modify_stmt): Likewise.
9666         (insert_fake_stores): Handle all component-ref style stores
9667         in addition to INDIRECT_REF.  Also handle complex types.
9668         Do not poolify the inserted load.
9669         (realify_fake_stores): Do not rebuild the tree but only
9670         make it a SSA_NAME copy.
9671         (init_pre): Remove initialzation of modify_expr_template.
9672         Do not allocate modify_expr_node_pool.
9673         (fini_pre): Do not free modify_expr_node_pool.
9674
9675 2008-03-10  Paul Brook  <paul@codesourcery.com>
9676
9677         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
9678         to avoid conflicts.
9679
9680 2008-03-10  Paul Brook  <paul@codesourcery.com>
9681             Mark Shinwell  <shinwell@codesourcery.com>
9682
9683         * config/arm/cortex-r4.md: New.
9684         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
9685         insn attributes.
9686         * config/arm/arm.md: Include cortex-r4.md.
9687         (insn): Add smmls, sdiv and udiv values.
9688         (generic_sched): Don't use generic scheduling for Cortex-R4.
9689         (arm_issue_rate): New function.
9690         (TARGET_SCHED_ISSUE_RATE): Define.
9691
9692 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
9693
9694         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
9695
9696 2008-03-10  Richard Guenther  <rguenther@suse.de>
9697
9698         * tree-ssa-pre.c (get_sccvn_value): Simplify.
9699         (compute_avail): Do not add stmt uses to AVAIL_OUT.
9700
9701 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
9702
9703         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
9704         Set default to true.
9705
9706 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9707
9708         * c.opt (Wsynth): Deprecate.
9709         * doc/invoke.texi (Option Summary, Warning Options): Document
9710         -Wno-format-contains-nul.
9711
9712 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
9713
9714         PR target/35496
9715         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
9716         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
9717
9718 2008-03-09  Ira Rosen  <irar@il.ibm.com>
9719
9720         * config/rs6000/rs6000.c (builtin_description): Rename vector
9721         left shift operations.
9722         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
9723         (altivec_vsl<VI_char>): Rename to ...
9724         (ashl<mode>3): ... new name.
9725         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
9726         gen_ashlv4si3.
9727         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
9728
9729 2008-03-08  Richard Guenther  <rguenther@suse.de>
9730
9731         * coverage.h (tree_coverage_counter_addr): Declare.
9732         * coverage.c (tree_coverage_counter_addr): New function.
9733         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
9734         before using again.
9735         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
9736         (tree_gen_one_value_profiler): Likewise.
9737         (tree_gen_ic_profiler): Likewise.
9738         (tree_gen_average_profiler): Likewise.
9739         (tree_gen_ior_profiler): Likewise.
9740
9741 2008-03-08  Richard Guenther  <rguenther@suse.de>
9742
9743         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
9744         (vn_binary_op_insert): Likewise.
9745         (vn_unary_op_lookup): Likewise.
9746         (vn_unary_op_insert): Likewise.
9747         (vn_nary_op_lookup): Declare.
9748         (vn_nary_op_insert): Likewise.
9749         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
9750         and binary hashes, use a single obstack for unary_op_pool
9751         and binary_op_pool.
9752         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
9753         a single struct vn_nary_op_s.  Store tree code length and
9754         a variable number of operands.
9755         (struct vn_reference_op_struct): Remove unused op2.
9756         (vn_reference_op_eq): Do not compare op2.
9757         (vn_reference_op_compute_hash): Do not compute hash of op2.
9758         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
9759         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
9760         with vn_nary_op_compute_hash.
9761         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
9762         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
9763         vn_nary_op_lookup.
9764         (vn_unary_op_insert, vn_binary_op_insert): Replace with
9765         vn_nary_op_insert.
9766         (visit_unary_op): Call nary functions.
9767         (visit_binary_op): Likewise.
9768         (process_scc): Adjust for struct vn_tables_s changes.
9769         (allocate_vn_table): Likewise.
9770         (free_vn_table): Likewise.
9771         * tree-vn.c (vn_add): Call nary functions.
9772         (vn_lookup): Likewise.
9773
9774 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
9775
9776         PR target/35498
9777         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
9778         wdst back after sync_compare_and_swapqhi_internal.
9779
9780 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
9781
9782         PR target/22152
9783         * config/i386/i386-modes.def (V1DI): New vector mode.
9784         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
9785         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
9786         (MMXMODE248): Ditto.
9787         (MMXMODE): Add V1DI mode.
9788         (mmxvecsize): Change DI mode to V1DI mode.
9789         ("mov<mode>): Use MMXMODEI8 mode iterator.
9790         ("*mov<mode>_internal_rex64"): Ditto.
9791         ("*mov<mode>_internal"): Ditto.
9792         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
9793         ("mmx_sub<mode>3"): Ditto.
9794         ("mmx_adddi3"): Remove insn pattern.
9795         ("mmx_subdi3"): Ditto.
9796         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
9797         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
9798         ("mmx_ashl<mode>3"): Ditto.
9799         ("mmx_lshrdi3"): Remove insn pattern.
9800         ("mmx_ashldi3"): Ditto.
9801         * config/i386/i386.c (classify_argument): Handle V1DImode.
9802         (function_arg_advance_32): Ditto.
9803         (function_arg_32): Ditto.
9804         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
9805         mmx_addv1di3 insn pattern.
9806         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
9807         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
9808         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
9809         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
9810         Remove definitions of built-in functions.
9811         (V1DI_type_node): New node.
9812         (v1di_ftype_v1di_int): Ditto.
9813         (v1di_ftype_v1di_v1di): Ditto.
9814         (v2si_ftype_v2si_si): Ditto.
9815         (v4hi_ftype_v4hi_di): Remove node.
9816         (v2si_ftype_v2si_di): Ditto.
9817         (ix86_init_mmx_sse_builtins): Handle V1DImode.
9818         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
9819         Redefine builtins using def_builtin_const with *_ftype_*_int node.
9820         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
9821         Add new builtins using def_builtin_const.
9822         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
9823         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
9824         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
9825         * config/i386/mmintrin.h (__v1di): New typedef.
9826         (_mm_add_si64): Cast arguments to __v1di type.
9827         (_mm_sub_si64): Ditto.
9828         (_mm_sll_pi16): Cast __count to __v4hi type.
9829         (_mm_sll_pi32): Cast __count to __v2si type.
9830         (_mm_sll_si64): Cast arguments to __v1di type.
9831         (_mm_srl_pi16): Cast __count to __v4hi type.
9832         (_mm_srl_pi32): Cast __count to __v2si type.
9833         (_mm_srl_si64): Cast arguments to __v1di type.
9834         (_mm_sra_pi16): Cast __count to __v4hi type.
9835         (_mm_sra_pi32): Cast __count to __v2si type.
9836         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
9837         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
9838         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
9839         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
9840         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
9841         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
9842         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
9843         (_mm_srai_pi32): Use __builtin_ia32_psradi.
9844         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
9845         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
9846         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
9847         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
9848
9849 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
9850
9851         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
9852
9853 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
9854
9855         PR target/35373
9856         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
9857         reg+const addressing for Altivec modes.  Don't generate reg+reg
9858         addressing for TFmode or TDmode quantities.
9859
9860 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
9861
9862         * c-common.c (vector_types_convertible_p): Call langhook
9863         instead of comptypes.
9864
9865 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9866
9867         PR tree-opt/35402
9868         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
9869         integral and scalar float variables which have a
9870         NULL DECL_INITIAL.
9871
9872 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
9873
9874         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
9875         dwarf_register_span hook when emitting unwind information for
9876         register-to-memory saves.
9877         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
9878         (rs6000_frame_related): Remove call to spe_synthesize_frame.
9879
9880 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
9881
9882         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
9883         for the same VAR_DECL.
9884
9885 2008-03-06  Tom Tromey  <tromey@redhat.com>
9886
9887         * treelang: Delete.
9888         * doc/standards.texi (Standards): Don't mention treelang.
9889         * doc/invoke.texi (Overall Options): Don't mention treelang.
9890         * doc/install.texi (Prerequisites): Don't mention bison or
9891         treelang.
9892         (Configuration): Don't mention treelang.
9893         (Building): Likewise.
9894         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
9895
9896 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
9897
9898         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
9899         word-extractions out of a multi-word object.
9900
9901 2008-03-06  Richard Guenther  <rguenther@suse.de>
9902
9903         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
9904         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
9905         result type and precision.
9906         * expr.c (get_inner_reference): Set unsignedp based on the result
9907         type of BIT_FIELD_REF.
9908         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
9909         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
9910         (try_instantiate_multiple_fields): Likewise.  Use the correct type
9911         for BIT_FIELD_REF.
9912         (sra_build_assignment): Likewise.
9913         (sra_build_elt_assignment): Likewise.
9914         (sra_explode_bitfield_assignment): Likewise.
9915         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
9916         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
9917         set BIT_FIELD_REF_UNSIGNED.
9918         (vectorizable_load): Likewise.
9919
9920 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
9921
9922         * cse.c (cse_extended_basic_block): Invalidate artificial defs
9923         at bb start.
9924
9925 2008-03-06  Richard Guenther  <rguenther@suse.de>
9926
9927         * alias.c (struct alias_set_entry): Move has_zero_child field
9928         to pack with alias_set.
9929
9930 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
9931
9932         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
9933         32bit host.
9934
9935 2008-03-05  Ian Lance Taylor  <iant@google.com>
9936
9937         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
9938
9939 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
9940
9941         * fwprop.c (update_df): Support width and offset parameters of
9942         df_ref_create.
9943         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
9944         global_conflicts): Change DF_REF_EXTRACT to either
9945         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9946         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9947         * df-scan.c (df_ref_record, df_defs_record,
9948         df_ref_create_structure, df_def_record_1, df_uses_record,
9949         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
9950         df_bb_refs_collect, df_entry_block_defs_collect,
9951         df_exit_block_uses_collect): Support new width and offset fields.
9952         (ref_extract_pool): New storage pool.
9953         (df_free_ref): New function.
9954         (df_reg_chain_unlink, df_free_collection_rec,
9955         df_sort_and_compress_refs): Call df_free_ref.
9956         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
9957         of df_ref_extract.
9958         (df_ref_create_structure): Allocate df_ref_extract if offset and
9959         width fields are used.
9960         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
9961         (df_uses_record): Get offset and width from ZERO_EXTRACT 
9962         and SIGN_EXTRACT.
9963         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
9964         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9965         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9966         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
9967         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9968         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9969         (df_ref_extract): New structure.
9970         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
9971         (df_ref_create): Add width and offset parameters.
9972         
9973 2008-03-05  Richard Guenther  <rguenther@suse.de>
9974
9975         * tree-ssa-structalias.c (get_constraint_for_component_ref):
9976         Use ranges_overlap_p.
9977         (offset_overlaps_with_access): Rename
9978         to ranges_overlap_p and move ...
9979         * tree-flow-inline.h (ranges_overlap_p): ... here.
9980
9981         * tree.h (get_inner_reference, handled_component_p): Update
9982         comments.
9983
9984         * tree.h (record_component_aliases, get_alias_set,
9985         alias_sets_conflict_p, alias_sets_must_conflict_p,
9986         objects_must_conflict_p): Move declarations ...
9987         * alias.h (record_component_aliases, get_alias_set,
9988         alias_sets_conflict_p, alias_sets_must_conflict_p,
9989         objects_must_conflict_p): ... here.
9990         Include coretypes.h.
9991         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
9992
9993 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
9994
9995         * cfg.c: Include tree-flow.h.
9996         (remove_edge_raw): Call redirect_edge_var_map_clear.
9997         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
9998         * tree-flow-inline.h (redirect_edge_var_map_def): New.
9999         (redirect_edge_var_map_result): New.
10000         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
10001         PENDING_STMT use with redirect_edge_var_map_*.
10002         * tree-ssa.c (edge_var_maps): New definition.
10003         (redirect_edge_var_map_add): New.
10004         (redirect_edge_var_map_clear): New.
10005         (redirect_edge_var_map_dup): New.
10006         (redirect_edge_var_map_vector): New.
10007         (redirect_edge_var_map_destroy): New.
10008         (ssa_redirect_edge): Replace PENDING_STMT use with
10009         redirect_edge_var_map_*.
10010         (flush_pending_stmts): Same.
10011         (delete_tree_ssa): Destroy edge var map.
10012         * tree-flow.h (struct _edge_var_map): New.
10013         Define edge_var_map vector type.
10014         Declare redirect_edge_var_map_* prototypes.
10015         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
10016         * tree-cfg.c (reinstall_phi_args): Replace
10017         PENDING_STMT use with redirect_edge_var_map_*.
10018
10019 2008-03-05  Richard Guenther  <rguenther@suse.de>
10020
10021         PR tree-optimization/35472
10022         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
10023         whose single use_stmt has a overlapping set of loaded and
10024         stored symbols as that use_stmt might be a noop assignment then.
10025
10026 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
10027
10028         * gthr-rtems.h: Implement __gthread_mutex_destroy.
10029
10030 2008-03-05  Richard Guenther  <rguenther@suse.de>
10031
10032         PR c++/35336
10033         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
10034         should be constants.
10035         * tree-cfg.c (verify_expr): Verify it.
10036         * fold-const.c (fold_truthop): Remove code generating
10037         BIT_FIELD_REFs of structure bases.
10038         (fold_binary): Likewise.
10039         (fold_ternary): Position and size of BIT_FIELD_REFs are
10040         always host integers.
10041         (make_bit_field_ref): Remove.
10042         (optimize_bit_field_compare): Remove.
10043         (all_ones_mask_p): Remove.
10044
10045 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
10046
10047         PR gcc/33009
10048         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
10049         (split_block_and_df_analyze): New. Split basic block and rebuild
10050         dataflow.
10051         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
10052         SPLIT_BLOCK.
10053         (split_pattern_seq): Likewise.
10054         (erase_matching_seqs): Likewise.
10055         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
10056
10057 2008-03-04  Geoff Keating  <geoffk@apple.com>
10058
10059         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
10060         declaration and code.
10061         (tree_invalid_nonnegative_warnv_p): Likewise.
10062
10063 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
10064
10065         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
10066         examples.  Truncate option-names then causing overfull hbox.
10067
10068 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10069
10070         PR target/35222
10071         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
10072         on hpux10.
10073         * configure: Rebuilt.
10074
10075 2008-03-04  Rafael Espindola  <espindola@google.com>
10076
10077         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
10078         (tree_unary_nonnegative_warnv_p): New.
10079         (tree_binary_nonnegative_warnv_p): New.
10080         (tree_single_nonnegative_warnv_p): New.
10081         (tree_invalid_nonnegative_warnv_p): New.
10082         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
10083
10084 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10085
10086         PR 28322
10087         * opts.c (handle_option): Postpone 'unknown option' errors only for
10088         warning options.
10089
10090 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
10091
10092         PR target/35453
10093         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
10094         (_SIDD_XXX): This.
10095
10096 2008-03-04  Rafael Espindola  <espindola@google.com>
10097
10098         * fold-const.c (tree_unary_nonzero_warnv_p): New.
10099         (tree_binary_nonzero_warnv_p): New.
10100         (tree_single_nonzero_warnv_p): New.
10101         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
10102
10103 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
10104
10105         PR middle-end/35456
10106         * fold-const.c (fold_cond_expr_with_comparison): Prevent
10107         transformations for modes that have signed zeros.
10108         * ifcvt.c (noce_try_abs): Ditto.
10109
10110 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
10111
10112         * config/i386/i386.c (override_options): Force
10113         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
10114
10115 2008-03-04  Jan Hubicka  <jh@suse.cz>
10116
10117         PR c++/35262
10118         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
10119         in last commit.
10120
10121 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
10122
10123         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
10124         label to probe the stack.
10125
10126 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
10127
10128         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
10129         (__gthr_win32_mutex_destroy): Declare.
10130         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
10131         __gthr_win32_mutex_destroy.
10132         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
10133
10134 2008-03-03  Jan Hubicka  <jh@suse.cz>
10135
10136         PR c++/35262
10137         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
10138         aggressive on inlining cold calls.
10139
10140 2008-03-03  Richard Guenther  <rguenther@suse.de>
10141
10142         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
10143         struct copies into the expression table.
10144         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
10145         (try_to_simplify): Likewise.
10146         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
10147         integral and pointer arguments which do not change the
10148         precision to NOP_EXPRs.
10149         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
10150         VIEW_CONVERT_EXPR case.
10151
10152 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
10153
10154         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
10155         defined in a loop at depth 0 is invariant.
10156         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
10157         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
10158         be called at loop depth 0.
10159
10160 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
10161
10162         PR driver/35420
10163         * gcc.c (process_command): Update copyright notice dates.
10164         * gcov.c (print_version): Likewise.
10165         * gcov-dump.c (print_version): Likewise.
10166         * mips-tfile.c (main): Likewise.
10167         * mips-tdump.c (main): Likewise.
10168
10169 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10170
10171         PR 24924
10172         * c-common.c (flag_permissive): Delete.
10173         (constant_expression_warnings): Check flags first.
10174         (constant_expression_error): New.
10175         * c-common.h (flag_permissive): Delete.
10176         (constant_expression_error): Declare.
10177         * flags.h (flag_permissive): Declare. Update description.
10178         * diagnostic.c (pedwarn): Update.
10179         (permerror): New.
10180         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
10181         (permissive_error_kind): New.
10182         * toplev.c (flag_permissive): Define. Update description.
10183         * toplev.h (permissive_error_kind): Declare.
10184         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
10185         (pedwarn_c90): Use pedantic_warning_kind.
10186         * c-opts.c (c_common_post_options): flag_permissive does not affect
10187         flag_pedantic_errors.
10188
10189 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
10190
10191         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
10192         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
10193         __absvsi2, __absvDI2): Use unsigned arithmetic.
10194
10195 2008-03-02  Andi Kleen  <ak@suse.de>
10196             Richard Guenther  <rguenther@suse.de>
10197
10198         * struct-equiv.c: Remove file.
10199         * cfg_cleanup.c (condjump_equiv_p): Remove.
10200         * Makefile.in (OBJS-common): Remove struct-equiv.o.
10201         (struct-equiv.o): Remove rule.
10202         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
10203         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
10204         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
10205
10206 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10207
10208         * ifcvt.c (noce_process_if_block): Try to handle only the then
10209         block if the else block exists but isn't suitable.
10210
10211 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
10212
10213         PR gcc/35063
10214         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
10215         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
10216         regression from previous patch.
10217
10218 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
10219
10220         PR gcc/35063
10221         * gthr.h: Add __gthread_mutex_destroy as a function that must be
10222         implemented.
10223         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
10224         * gthr-single.h (__gthread_mutex_destroy): Likewise.
10225         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
10226         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
10227         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
10228         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
10229         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
10230         (__gthread_mutex_destroy_function): Rename to
10231         __gthread_mutex_destroy.
10232         * gthr-dce.h (__gthread_mutex_destroy): Call
10233         pthread_mutex_destroy.
10234         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
10235         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
10236         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
10237
10238 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10239
10240         * df-scan.c (df_ref_chain_change_bb): Simplify.
10241         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
10242         set_block_for_insn if there's any change.
10243         * df.h ((df_insn_change_bb): Fix prototype.
10244         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
10245         df_insn_change_bb, don't call set_block_for_insn.
10246         * emit-rtl.c (reorder_insns): Likewise.
10247         * haifa-sched.c (move_insn): Likewise.
10248
10249 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10250
10251         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
10252
10253 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10254
10255         * tree-flow-inline.h (next_readonly_imm_use): Return
10256         NULL_USE_OPERAND_P after the end.
10257
10258 2008-03-01  Richard Guenther  <rguenther@suse.de>
10259
10260         PR tree-optimization/35411
10261         * tree-sra.c (sra_build_assignment): Split conversion to
10262         final type to a separate statement if we are not assigning
10263         to a register.
10264
10265 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10266
10267         * fold-const.c (fold_convertible_p): Correct the logic to follow
10268         that in fold_convert().
10269
10270 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
10271
10272         PR c++/35315
10273         * tree-inline.c (build_duplicate_type): When we make a
10274         duplicate type, make it unique in the canonical types system.
10275
10276 2008-02-29  Tom Tromey  <tromey@redhat.com>
10277
10278         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
10279         input_file_stack_history, input_file_stack_restored): Remove.
10280         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
10281         * input.h (struct file_stack): Remove.
10282         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
10283         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
10284         Likewise.
10285         * diagnostic.h (struct diagnostic_context) <last_module>: Change
10286         type.
10287         (diagnostic_last_module_changed): Add 'map' argument.
10288         (diagnostic_set_last_function): Likewise.
10289         * diagnostic.c (undiagnostic_report_current_module): Iterate using
10290         line map, not input_file_stack.
10291         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
10292
10293 2008-02-29  Paul Brook  <paul@codesourcery.com>
10294
10295         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
10296
10297 2008-02-29  Paul Brook  <paul@codesourcery.com>
10298
10299         * config/arm/ieee754-df.S (muldf3): Use RET macros.
10300
10301 2008-02-29  Richard Guenther  <rguenther@suse.de>
10302
10303         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
10304         vn_lookup_or_add.
10305         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
10306         value for comparing for a store match.
10307         (simplify_unary_expression): Do nothing for SSA_NAMEs.
10308         (try_to_simplify): Do not do a full-blown reference lookup.
10309
10310 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
10311
10312         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
10313         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10314
10315         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
10316
10317 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
10318
10319         * tree-loop-linear.c (try_interchange_loops): Compare memory access
10320         strides against cache sizes.
10321
10322 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
10323
10324         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
10325         constant to fpul.
10326
10327 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
10328
10329         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
10330         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
10331         is smaller than the original promoted value.
10332         (simplify_subreg): If OP is a SUBREG, try to preserve its
10333         SUBREG_PROMOTED_VAR_P information.
10334
10335 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
10336
10337         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
10338         (VN_INFO_GET): Allocate new objects on the obstack.
10339         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
10340         for rpo_numbers_temp, for consistency.
10341         (free_scc_vn): Free the obstack.
10342
10343 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
10344
10345         * doc/invoke.texi: Document -ftree-loop-distribution.
10346         * tree-loop-distribution.c: New.
10347         * tree-pass.h (pass_loop_distribution): New.
10348         * graphds.h (struct graph): Add htab_t indices.
10349         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
10350         * tree-vectorizer.c (rename_variables_in_loop): Extern.
10351         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
10352         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
10353         * tree-data-ref.c (debug_data_dependence_relations): New.
10354         (dump_data_dependence_relation): Also print data references.
10355         (free_data_ref): Extern.
10356         (same_access_functions): Moved...
10357         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
10358         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
10359         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
10360         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
10361         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
10362         (stmts_from_loop): Skip LABEL_EXPR.
10363         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
10364         New.
10365         (build_rdg): Initialize rdg->indices htab.
10366         (free_rdg, stores_from_loop, ref_base_address,
10367         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
10368         have_similar_memory_accesses_1, ref_base_address_1,
10369         remove_similar_memory_refs): New.
10370         * tree-data-ref.h: Depend on tree-chrec.h.
10371         (debug_data_dependence_relations, free_data_ref): Declared.
10372         (same_access_functions): ... here.
10373         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
10374         New.
10375         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
10376         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
10377         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
10378         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
10379         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
10380         rdg_vertex_for_stmt): Declared.
10381         (struct rdg_edge): Add level.
10382         (RDGE_LEVEL): New.
10383         (free_rdg, stores_from_loop, remove_similar_memory_refs,
10384         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
10385         Declared.
10386         (rdg_has_similar_memory_accesses): New.
10387         * tree-vect-analyze.c: Remove unused static decls.
10388         * lambda.h (dependence_level): New.
10389         * common.opt (ftree-loop-distribution): New.
10390         * tree-flow.h (mark_virtual_ops_in_bb, 
10391         slpeel_tree_duplicate_loop_to_edge_cfg,
10392         rename_variables_in_loop): Declared.
10393         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
10394         (OBJS-common): Add tree-loop-distribution.o.
10395         (tree-loop-distribution.o): New rule.
10396         * tree-cfg.c (mark_virtual_ops_in_bb): New.
10397         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
10398         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
10399
10400 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
10401
10402         PR target/33963
10403         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
10404         other than structures and unions.
10405
10406 2008-02-28  Richard Guenther  <rguenther@suse.de>
10407
10408         Revert:
10409         2008-02-26  Richard Guenther  <rguenther@suse.de>
10410
10411         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
10412         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
10413         (lookup_decl_from_uid): Declare.
10414         (remove_decl_from_map): Likewise.
10415         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
10416         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
10417         (decl_for_uid_map): New global hashtable mapping DECL_UID
10418         to the decl tree.
10419         (init_ttree): Allocate it.
10420         (insert_decl_to_uid_decl_map): New helper function.
10421         (make_node_stat): Insert new decls into the map.
10422         (copy_node_stat): Likewise.
10423         (lookup_decl_from_uid): New function.
10424         (remove_decl_from_map): Likewise.
10425         (print_decl_for_uid_map_statistics): New helper.
10426         (dump_tree_statistics): Call it.
10427
10428         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10429         (referenced_var_iterator): Adjust.
10430         (FOR_EACH_REFERENCED_VAR): Adjust.
10431         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10432         (num_referenced_vars): Adjust.
10433         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10434         (first_referenced_var): Remove.
10435         (end_referenced_vars_p): Likewise.
10436         (next_referenced_var): Likewise.
10437         (referenced_var_iterator_set): New helper function.
10438         * tree-dfa.c (referenced_var_lookup): Adjust.
10439         (referenced_var_check_and_insert): Likewise.
10440         (remove_referenced_var): Likewise.
10441         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10442         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10443         (verify_call_clobbering): Likewise.
10444         (verify_memory_partitions): Likewise.
10445         (init_tree_ssa): Allocate bitmap instead of hashtable for
10446         referenced_vars.
10447         (delete_tree_ssa): Adjust.
10448         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10449         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10450         (compute_tag_properties): Likewise.
10451         (set_initial_properties): Likewise.
10452         (find_partition_for): Likewise.
10453         (update_reference_counts): Likewise.
10454         (dump_may_aliases_for): Likewise.
10455         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10456         (add_call_clobber_ops): Likewise.
10457         (add_call_read_ops): Likewise.
10458         (get_asm_expr_operands): Likewise.
10459         * tree-into-ssa.c (dump_decl_set): Likewise.
10460         (update_ssa): Likewise.
10461         * tree-sra.c (scan_function): Likewise.
10462         (decide_instantiations): Likewise.
10463         (scalarize_parms): Likewise.
10464         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10465         (dsa_named_for): Likewise.
10466         * tree-ssa-structalias.c (update_alias_info): Likewise.
10467         (merge_smts_into): Likewise.
10468
10469 2008-02-27  David Daney  <ddaney@avtrex.com>
10470
10471         PR target/34409
10472         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
10473         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
10474         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
10475         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
10476         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
10477
10478 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
10479
10480         PR target/25477
10481         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
10482         (BUILT_IN_NEXTTOWARD): Remove.
10483         (BUILT_IN_NEXTTOWARDF): Ditto.
10484         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
10485         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
10486
10487 2008-02-27  Tom Tromey  <tromey@redhat.com>
10488
10489         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
10490         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
10491
10492 2008-02-27  Jan Beulich  <jbeulich@novell.com>
10493
10494         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
10495         update the respective field on newdecl.
10496
10497 2008-02-27  Revital Eres  <eres@il.ibm.com>
10498
10499         PR rtl-optimization/34999
10500         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
10501         crossing edges that ends with a call insn.
10502         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
10503         call insn and clear the EDGE_CROSSING flag of the crossing edge
10504         when fixing fallthru edges.
10505
10506 2008-02-27  Richard Guenther  <rguenther@suse.de>
10507
10508         PR middle-end/35390
10509         * fold-const.c (fold_unary): Return the correct argument,
10510         converted to the result type.
10511
10512 2008-02-27  Richard Guenther  <rguenther@suse.de>
10513
10514         PR middle-end/34971
10515         * expr.c (expand_expr_real_1): Assert on rotates that operate
10516         on partial modes.
10517         * fold-const.c (fold_binary): Use the types precision, not the
10518         bitsize of the mode if folding rotate expressions.  Build rotates
10519         only for full modes.
10520
10521 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
10522
10523         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
10524         and CPP_PRAGMA_EOL.
10525         * c-pragma.c (pragma_ns_name): New typedef.
10526         (registered_pp_pragmas): New variable.
10527         (c_pp_lookup_pragma): New function.
10528         (c_register_pragma_1): If flag_preprocess_only, do nothing
10529         for non-expanded pragmas, for expanded ones push pragma's
10530         namespace and name into registered_pp_pragmas vector.
10531         (c_invoke_pragma_handler): Register OpenMP pragmas even when
10532         flag_preprocess_only, don't register GCC pch_preprocess
10533         pragma if flag_preprocess_only.
10534         * c-opts.c (c_common_init): Call init_pragma even if
10535         flag_preprocess_only.
10536         * c-pragma.c (c_pp_lookup_pragma): New prototype.
10537         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
10538         cpp_register_pragma if flag_preprocess_only.
10539
10540 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10541
10542         PR c/28800
10543         * c-parser.c (c_parser_translation_unit): Warn for empty
10544         translation unit, not empty source file.
10545
10546 2008-02-26  Paul Brook  <paul@codesourcery.com>
10547
10548         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
10549         operand for Thumb-2.
10550         * config/arm/arm.h (reg_class): Add CORE_REGS.
10551         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
10552         (BASE_REG_CLASS): Use CORE_REGS.
10553         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
10554         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
10555         (REGNO_OK_FOR_INDEX_P): Exclude SP.
10556         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
10557         ARM_REGNO_OK_FOR_INDEX_P.
10558         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
10559         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
10560         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
10561         (ldm/stm peepholes): Ditto.
10562         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
10563         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
10564         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
10565         * config/arm/constraints.md: Enable "k" constraint on ARM.
10566
10567 2008-02-27  Ben Elliston  <bje@au.ibm.com>
10568
10569         * config/rs6000/rs6000.c: Annotate cache line size field in all
10570         instances of struct processor_costs.
10571
10572 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
10573
10574         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
10575         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
10576         jump_bypass): New counters.
10577         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
10578         * dce.c (gate_ud_dce): Same.
10579         (gate_fast_dce): Same.
10580         * dse.c (gate_dse1): New function.
10581         (gate_dse2): New function.
10582         (gate_dse): Merge results of new gate functions.
10583         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
10584         (gate_handle_jump_bypass): Add dbg_cnt.
10585         (gate_handle_gcse): Add dbg_cnt.
10586         * ifcvt.c (gate_handle_if_conversion): Same.
10587         (gate_handle_if_after_combine): Same.
10588         (gate_handle_if_after_reload): Same.
10589         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
10590
10591 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
10592
10593         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
10594         line sizes.
10595         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
10596
10597 2008-02-26  Jason Merrill  <jason@redhat.com>
10598
10599         PR c++/35315
10600         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
10601         alone if it's the naming decl for the type's main variant.
10602
10603 2008-02-26  Tom Tromey  <tromey@redhat.com>
10604
10605         * system.h (USE_MAPPED_LOCATION): Poison.
10606         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
10607         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
10608         (make_goto_expr_edges): Likewise.
10609         (remove_bb): Likewise.
10610         (execute_warn_function_return): Likewise.
10611         * basic-block.h (struct edge_def) <goto_locus>: Change type to
10612         location_t.
10613         * c-common.c (fname_decl): Remove old location code.
10614         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
10615         location code.
10616         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
10617         variant.
10618         (ASM_INPUT_SOURCE_LOCATION): Likewise.
10619         (gen_rtx_ASM_INPUT): Likewise.
10620         (gen_rtx_ASM_INPUT_loc): Likewise.
10621         (get_rtx_asm_OPERANDS): Remove.
10622         * cfglayout.c (insn_locators_alloc): Remove old location code.
10623         (set_curr_insn_source_location): Likewise.
10624         (curr_insn_locator): Likewise.
10625         * print-tree.c (print_node): Remove old location code.
10626         * tree-mudflap.c (mf_varname_tree): Remove old location code.
10627         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
10628         * cfgexpand.c (expand_gimple_cond_expr): Don't use
10629         location_from_locus.
10630         (construct_exit_block): Remove old location code.
10631         * emit-rtl.c (force_next_line_note): Remove old location code.
10632         * profile.c (branch_prob): Remove old location code.
10633         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
10634         LOC_LINE): Remove old-location variants.
10635         * langhooks.c (lhd_print_error_function): Remove old location
10636         code.
10637         * configure, config.in: Rebuilt.
10638         * configure.ac (--enable-mapped-location): Remove.
10639         * c-decl.c (c_init_decl_processing): Remove old location code.
10640         (finish_function): Likewise.
10641         * recog.c (decode_asm_operands): Remove old location code.
10642         * c-pch.c (c_common_read_pch): Remove old location code.
10643         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
10644         variants.
10645         * gimple-low.c (lower_function_body): Remove old location code.
10646         * toplev.c (unknown_location): Remove.
10647         (push_srcloc): Remove old-location variant.
10648         (process_options): Remove old location code.
10649         (lang_dependent_init): Likewise.
10650         * input.h (UNKNOWN_LOCATION): Move definition.
10651         (location_t): Undeprecate.
10652         (source_locus): Remove.
10653         (location_from_locus): Remove.
10654         (struct location_s): Remove.
10655         Remove all old-location code.
10656         (input_line, input_filename): Remove.
10657         * final.c (final_scan_insn): Remove old location code.
10658         * diagnostic.c (diagnostic_build_prefix): Remove
10659         USE_MAPPED_LOCATION test.
10660         * tree.h (gimple_stmt) <locus>: Now a location_t.
10661         (tree_exp) <locus>: Likewise.
10662         (DECL_IS_BUILTIN): Remove old-location variant.
10663         (annotate_with_file_line, annotate_with_locus): Likewise.
10664         (expr_locus, set_expr_locus): Update.
10665         * tree.c (build1_stat): Remove old location code.
10666         (last_annotated_node): Remove.
10667         (annotate_with_file_line): Remove old-location variant.
10668         (annotate_with_locus): Likewise.
10669         (expr_location): Remove old location code.
10670         (set_expr_location): Likewise.
10671         (expr_has_location): Likewise.
10672         (expr_locus): Likewise.
10673         (set_expr_locus): Likewise.
10674         (expr_filename): Don't use location_from_locus.
10675         (expr_lineno): Likewise.
10676         * rtl-error.c (location_for_asm): Remove old location code.
10677         * c-lex.c (cb_line_change): Remove old location code.
10678         (fe_file_change): Likewise.
10679         (cb_def_pragma): Likewise.
10680         (c_lex_with_flags): Likewise.
10681         * gengtype.c (do_typedef): Don't special-case location types.
10682         (define_location_structures): Remove.
10683         (main): Don't call define_location_structures.
10684         * tree-pretty-print.c (dump_implicit_edges): Remove old location
10685         code.
10686
10687 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10688
10689         PR 26264
10690         * builtins.def (BUILT_IN_STDARG_START): Remove.
10691         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
10692         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
10693         * tree-inline.c (inline_forbidden_p_1): Likewise.
10694         
10695 2008-02-26  Richard Guenther  <rguenther@suse.de>
10696
10697         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
10698         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
10699         (lookup_decl_from_uid): Declare.
10700         (remove_decl_from_map): Likewise.
10701         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
10702         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
10703         (decl_for_uid_map): New global hashtable mapping DECL_UID
10704         to the decl tree.
10705         (init_ttree): Allocate it.
10706         (insert_decl_to_uid_decl_map): New helper function.
10707         (make_node_stat): Insert new decls into the map.
10708         (copy_node_stat): Likewise.
10709         (lookup_decl_from_uid): New function.
10710         (remove_decl_from_map): Likewise.
10711         (print_decl_for_uid_map_statistics): New helper.
10712         (dump_tree_statistics): Call it.
10713
10714         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10715         (referenced_var_iterator): Adjust.
10716         (FOR_EACH_REFERENCED_VAR): Adjust.
10717         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10718         (num_referenced_vars): Adjust.
10719         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10720         (first_referenced_var): Remove.
10721         (end_referenced_vars_p): Likewise.
10722         (next_referenced_var): Likewise.
10723         (referenced_var_iterator_set): New helper function.
10724         * tree-dfa.c (referenced_var_lookup): Adjust.
10725         (referenced_var_check_and_insert): Likewise.
10726         (remove_referenced_var): Likewise.
10727         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10728         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10729         (verify_call_clobbering): Likewise.
10730         (verify_memory_partitions): Likewise.
10731         (init_tree_ssa): Allocate bitmap instead of hashtable for
10732         referenced_vars.
10733         (delete_tree_ssa): Adjust.
10734         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10735         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10736         (compute_tag_properties): Likewise.
10737         (set_initial_properties): Likewise.
10738         (find_partition_for): Likewise.
10739         (update_reference_counts): Likewise.
10740         (dump_may_aliases_for): Likewise.
10741         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10742         (add_call_clobber_ops): Likewise.
10743         (add_call_read_ops): Likewise.
10744         (get_asm_expr_operands): Likewise.
10745         * tree-into-ssa.c (dump_decl_set): Likewise.
10746         (update_ssa): Likewise.
10747         * tree-sra.c (scan_function): Likewise.
10748         (decide_instantiations): Likewise.
10749         (scalarize_parms): Likewise.
10750         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10751         (dsa_named_for): Likewise.
10752         * tree-ssa-structalias.c (update_alias_info): Likewise.
10753         (merge_smts_into): Likewise.
10754
10755 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10756
10757         PR 34351
10758         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
10759         * c-opts.c (c_common_handle_option): Wall enables
10760         Wvolatile-register-var.
10761         * common.opt: Move Wvolatile-register-var to...
10762         * c.opt: ...here.
10763         
10764 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10765
10766         * common.opt (Wlarger-than=): New.
10767         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
10768         -Wlarger-than=.
10769         * opts.c (common_handle_option): Handle -Wlarger-than=.
10770         * optc-gen.awk: Likewise.
10771         * opth-gen.awk: Likewise.
10772         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
10773         * tree-optimize.c (tree_rest_of_compilation): Likewise.
10774         
10775 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10776
10777         * c-common.c (match_case_to_enum_1): Add appropriate
10778         OPT_W* parameter to warning.
10779         (c_do_switch_warnings): Likewise.
10780         * c-typeck.c (warning_init): Add one more parameter following
10781         'warning' function.
10782         (push_init_level): Update call to warning_init.
10783         (pop_init_level): Likewise.
10784         (add_pending_init): Likewise.
10785         (output_init_element: Likewise.
10786
10787 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10788
10789         PR 28322
10790         * toplev.c (toplev_main): If there are warnings or error, print
10791         errors for ignored options.
10792         * opts.c (ignored_options): New static variable.
10793         (postpone_unknown_option_error): New.
10794         (print_ignored_options): New.
10795         (handle_option): Postpone errors for unknown -Wno-* options.
10796         * opts.h (print_ignored_options): Declare.
10797         
10798 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
10799
10800         * config/mips/mips.md (loadgp_blockage, blockage): Change type
10801         to "ghost".
10802
10803 2008-02-25  Richard Guenther  <rguenther@suse.de>
10804
10805         Revert:
10806         2008-02-25  Richard Guenther  <rguenther@suse.de>
10807
10808         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
10809         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
10810         (lookup_decl_from_uid): Declare.
10811         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
10812         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
10813         (decl_for_uid_map): New global hashtable mapping DECL_UID
10814         to the decl tree.
10815         (init_ttree): Allocate it.
10816         (insert_decl_to_uid_decl_map): New helper function.
10817         (make_node_stat): Insert new decls into the map.
10818         (copy_node_stat): Likewise.
10819         (lookup_decl_from_uid): New function.
10820         (print_decl_for_uid_map_statistics): New helper.
10821         (dump_tree_statistics): Call it.
10822
10823         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10824         (referenced_var_iterator): Adjust.
10825         (FOR_EACH_REFERENCED_VAR): Adjust.
10826         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10827         (num_referenced_vars): Adjust.
10828         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10829         (first_referenced_var): Remove.
10830         (end_referenced_vars_p): Likewise.
10831         (next_referenced_var): Likewise.
10832         (referenced_var_iterator_set): New helper function.
10833         * tree-dfa.c (referenced_var_lookup): Adjust.
10834         (referenced_var_check_and_insert): Likewise.
10835         (remove_referenced_var): Likewise.
10836         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10837         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10838         (verify_call_clobbering): Likewise.
10839         (verify_memory_partitions): Likewise.
10840         (init_tree_ssa): Allocate bitmap instead of hashtable for
10841         referenced_vars.
10842         (delete_tree_ssa): Adjust.
10843         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10844         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10845         (compute_tag_properties): Likewise.
10846         (set_initial_properties): Likewise.
10847         (find_partition_for): Likewise.
10848         (update_reference_counts): Likewise.
10849         (dump_may_aliases_for): Likewise.
10850         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10851         (add_call_clobber_ops): Likewise.
10852         (add_call_read_ops): Likewise.
10853         (get_asm_expr_operands): Likewise.
10854         * tree-into-ssa.c (dump_decl_set): Likewise.
10855         (update_ssa): Likewise.
10856         * tree-sra.c (scan_function): Likewise.
10857         (decide_instantiations): Likewise.
10858         (scalarize_parms): Likewise.
10859         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10860         (dsa_named_for): Likewise.
10861         * tree-ssa-structalias.c (update_alias_info): Likewise.
10862         (merge_smts_into): Likewise.
10863
10864 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
10865
10866         PR fortran/29549
10867         * doc/invoke.texi (-fcx-limited-range): Document new option.
10868         * toplev.c (process_options): Handle -fcx-fortran-rules.
10869         * common.opt: Add documentation for -fcx-fortran-rules.
10870
10871 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
10872
10873         PR c/35162
10874         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
10875         actual behaviour and C99.
10876         
10877 2008-02-26  Ben Elliston  <bje@au.ibm.com>
10878
10879         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
10880         (ASM_CPU_POWER6_SPEC): Likewise.
10881         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
10882         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
10883         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
10884
10885 2008-02-25  Richard Guenther  <rguenther@suse.de>
10886
10887         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
10888         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
10889         (lookup_decl_from_uid): Declare.
10890         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
10891         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
10892         (decl_for_uid_map): New global hashtable mapping DECL_UID
10893         to the decl tree.
10894         (init_ttree): Allocate it.
10895         (insert_decl_to_uid_decl_map): New helper function.
10896         (make_node_stat): Insert new decls into the map.
10897         (copy_node_stat): Likewise.
10898         (lookup_decl_from_uid): New function.
10899         (print_decl_for_uid_map_statistics): New helper.
10900         (dump_tree_statistics): Call it.
10901
10902         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10903         (referenced_var_iterator): Adjust.
10904         (FOR_EACH_REFERENCED_VAR): Adjust.
10905         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10906         (num_referenced_vars): Adjust.
10907         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10908         (first_referenced_var): Remove.
10909         (end_referenced_vars_p): Likewise.
10910         (next_referenced_var): Likewise.
10911         (referenced_var_iterator_set): New helper function.
10912         * tree-dfa.c (referenced_var_lookup): Adjust.
10913         (referenced_var_check_and_insert): Likewise.
10914         (remove_referenced_var): Likewise.
10915         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10916         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10917         (verify_call_clobbering): Likewise.
10918         (verify_memory_partitions): Likewise.
10919         (init_tree_ssa): Allocate bitmap instead of hashtable for
10920         referenced_vars.
10921         (delete_tree_ssa): Adjust.
10922         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10923         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10924         (compute_tag_properties): Likewise.
10925         (set_initial_properties): Likewise.
10926         (find_partition_for): Likewise.
10927         (update_reference_counts): Likewise.
10928         (dump_may_aliases_for): Likewise.
10929         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10930         (add_call_clobber_ops): Likewise.
10931         (add_call_read_ops): Likewise.
10932         (get_asm_expr_operands): Likewise.
10933         * tree-into-ssa.c (dump_decl_set): Likewise.
10934         (update_ssa): Likewise.
10935         * tree-sra.c (scan_function): Likewise.
10936         (decide_instantiations): Likewise.
10937         (scalarize_parms): Likewise.
10938         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10939         (dsa_named_for): Likewise.
10940         * tree-ssa-structalias.c (update_alias_info): Likewise.
10941         (merge_smts_into): Likewise.
10942
10943 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
10944
10945         PR target/35258
10946         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
10947         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
10948         * alias.h (nonoverlapping_memrefs_p): Likewise.
10949
10950 2008-02-25  Jan Beulich  <jbeulich@novell.com>
10951
10952         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
10953         * config/i386/netware-libgcc.exp: Add __bswap?i2,
10954         __emultls_get_address, __emultls_register_common,
10955         __floatundi?f, and _Unwind_GetIPInfo.
10956         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
10957         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
10958         (gen_regparm_prefix): Likewise.
10959         (i386_nlm_encode_section_info): Sync with
10960         config/i386/winnt.c:i386_pe_encode_section_info().
10961         (i386_nlm_maybe_mangle_decl_assembler_name): New.
10962         i386_nlm_mangle_decl_assembler_name): New.
10963         (netware_override_options): New.
10964         * config/i386/netware.h (netware_override_options): Declare.
10965         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
10966         (i386_nlm_mangle_decl_assembler_name): Declare.
10967         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
10968
10969 2008-02-25  Ben Elliston  <bje@au.ibm.com>
10970
10971         PR other/32948
10972         * c-decl.c (grokdeclarator): Remove unused local variables
10973         `typedef_type' and `type_as_written'.
10974         * bb-reorder.c
10975         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
10976         unused local variable `has_hot_blocks'.
10977         (fix_crossing_conditional_branches): Remove unused local variable
10978         `prev_bb'.
10979         
10980 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
10981
10982         PR middle-end/19984
10983         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
10984         using DEF_C99_BUILTIN.
10985         (BUILT_IN_NANF): Ditto.
10986         (BUILT_IN_NANL): Ditto.
10987
10988 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
10989             Revital Eres  <eres@il.ibm.com>
10990
10991         * modulo-sched.c (calculate_must_precede_follow): Address TODO
10992         regarding the order of two dependent insns in the same row.
10993
10994 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
10995
10996         * stor-layout.c (layout_decl): Do not bump the alignment of a
10997         bit-field to more than byte alignment if it is packed.
10998
10999 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
11000
11001         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
11002         e300c2 and e300c3.
11003
11004 2008-02-24  Diego Novillo  <dnovillo@google.com>
11005
11006         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
11007
11008         PR 33738
11009         * tree-vrp.c (vrp_evaluate_conditional): With
11010         -Wtype-limits, emit a warning when comparing against a
11011         constant outside the natural range of OP0's type.
11012         * c.opt (Wtype-limits): Move ...
11013         * common.opt (Wtype-limits): ... here.
11014
11015 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
11016
11017         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
11018         * config/rs6000/e300c2c3.md: New file.
11019         * config/rs6000/rs6000.c (processor_costs): Add new costs for
11020         e300c2 and e300c3.
11021         (rs6000_override_options): Add e300c2 and e300c3 cases to
11022         processor_target_table. Do not allow usage of Altivec or Spe
11023         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
11024         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
11025         * config/rs6000/rs6000.h (processor_type): Add
11026         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
11027         (ASM_CPU_SPEC): Add e300c2 and e300c3.
11028         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
11029         and ppce300c3. Include e300c2c3.md.
11030
11031 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
11032
11033         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
11034         instead of TARGET_STRICT_ALIGN.
11035
11036 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
11037
11038         * explow.c (memory_address): Assert that the generated address is
11039         valid.
11040
11041 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
11042
11043         PR target/25477
11044         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
11045         * config/darwin-ppc-ldouble-patch.def: New file.
11046         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
11047         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
11048         SUBTARGET_INIT_BUILTINS if defined.
11049         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
11050         New functions.
11051
11052 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11053
11054         PR rtl-opt/33512
11055         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
11056         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
11057
11058 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11059
11060         PR pch/35027
11061         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
11062         file" warning condtional on -Winvalid-PCH.
11063
11064 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
11065
11066         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
11067
11068 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
11069
11070         PR target/22076
11071         PR target/34256 
11072         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
11073         prevent reload from using MMX registers.
11074         (*mov<mode>_internal): Ditto.
11075         (*movv2sf_internal_rex64): Ditto.
11076         (*movv2sf_internal): Ditto.
11077
11078 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11079
11080         PR documentation/31569
11081         * doc/install.texi2html: Use makeinfo --no-number-sections.
11082
11083 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
11084
11085         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
11086         ensure that we can address an entire entity > 8 bytes.  Don't
11087         generate reg+reg addressing for such data.
11088
11089 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
11090
11091         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
11092         strings when optimizing for size, unless the target cares about
11093         alignment.
11094
11095 2008-02-22  Tom Tromey  <tromey@redhat.com>
11096
11097         * regclass.c (current_pass): Remove declaration.
11098
11099 2008-02-22  Anatoly Sokolov <aesok@post.ru>
11100
11101         * config/avr/libgcc.S (__RAMPZ__): Define.
11102         (__do_copy_data): Add for devices with 128KB code memory.
11103
11104 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
11105
11106         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
11107         Use spe_abi.
11108         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
11109
11110 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
11111
11112         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
11113         GENNONACR_REGS.
11114
11115 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11116
11117         PR c/19999
11118         * c-typeck.c (build_binary_op): Warn about floating point
11119         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
11120
11121 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
11122
11123         PR target/34526
11124         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
11125         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
11126         add vrsave.
11127         (rs6000_override_options): Set altivec_abi as default, not override,
11128         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
11129         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
11130         is used; use new member spe_abi.
11131         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
11132         spe_abi and altivec_abi.
11133
11134 2008-02-22  Tomas Bily  <tbily@suse.cz>
11135
11136         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
11137
11138 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11139
11140         PR bootstrap/35273
11141         * config.build (build_file_translate): Set to `CMD //c' only if
11142         it works.
11143         * Makefile.in (build_file_translate): Improve comment.
11144
11145 2008-02-21  Jan Hubicka  <jh@suse.cz>
11146
11147         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
11148         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
11149         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
11150
11151 2008-02-21  Michael Matz  <matz@suse.de>
11152
11153         PR target/35264
11154         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
11155
11156 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
11157
11158         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
11159         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
11160         as insn constraint.
11161         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
11162         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
11163         SSE_VEC_FLOAT_MODE_P as insn constraint.
11164         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
11165         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
11166         sse4a_movntdf using MODEF mode iterator.
11167         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
11168         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
11169         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
11170         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
11171         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
11172         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
11173         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
11174
11175 2008-02-21  Richard Guenther  <rguenther@suse.de>
11176
11177         * tree.def (PAREN_EXPR): New tree code.
11178         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
11179         and PAREN_EXPR.
11180         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
11181         * expr.c (expand_expr_real_1): Likewise.
11182         * tree-inline.c (estimate_num_insns_1): Likewise.
11183         * tree-complex.c (expand_complex_move): Likewise.
11184         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
11185         as plain x.
11186
11187 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11188
11189         PR target/35225
11190         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
11191
11192 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11193
11194         PR target/35190
11195         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
11196
11197         * config/sh/sh.c (find_barrier): Don't go past
11198         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
11199
11200 2008-02-20  DJ Delorie  <dj@redhat.com>
11201
11202         * config/h8300/h8300.md (insv): Force source operand to be a register.
11203
11204         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
11205         as a jump, not as a plain insn.
11206         
11207 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
11208
11209         * doc/invoke.texi (Warning Options): Add new option
11210         -Wframe-larger-than=.
11211         (-Wframe-larger-than): Document.
11212
11213         * flags.h (warn_frame_larger_than, frame_larger_than_size):
11214         Add declarations for new option variables.
11215
11216         * final.c (final_start_function): Check the frame size
11217         before emission and issue a Wframe-larger-than warning.
11218
11219         * opts.c (warn_frame_larger_than, frame_larger_than_size):
11220         Add definitions for new option variables.
11221         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
11222
11223         * common.opt (Wframe-larger-than=): New option.
11224
11225 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
11226
11227         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
11228         (<sse>_div<mode>3): Ditto.
11229         (<sse>_vmdiv<mode>3): Ditto.
11230         (<sse>_vmsqrt<mode>2): Ditto.
11231         (*smax<mode>3): Ditto.
11232         (sse5_frcz<mode>2): Ditto.
11233         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
11234         as insn constraint.
11235
11236 2008-02-20  Richard Guenther  <rguenther@suse.de>
11237
11238         PR middle-end/35265
11239         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
11240         be happy with INTEGRAL_TYPE_P.
11241
11242 2008-02-20  Richard Guenther  <rguenther@suse.de>
11243
11244         * fold-const.c (split_tree): Associate floatig-point expressions
11245         if flag_associative_math is set.
11246
11247 2008-02-20  Richard Guenther  <rguenther@suse.de>
11248
11249         * tree.h (fold_real_zero_addition_p): Declare.
11250         * fold-const.c (fold_real_zero_addition_p): Export.
11251         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
11252         floating-point operations with zero and one.
11253
11254 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
11255
11256         * doc/install.texi: Correct references to CFLAGS, replacing them
11257         with BOOT_CFLAGS.  Document flags used during bootstrap for
11258         target libraries.
11259                                 
11260 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
11261
11262         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
11263         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
11264         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
11265         insn constraint.
11266         (smin<mode>3): Ditto from similar patterns.
11267         (smax<mode>3): Ditto.
11268         (*ieee_smin<mode>3): Ditto.
11269         (*ieee_smax<mode>3): Ditto.
11270         * config/i386/sse.md (sse): New mode attribute.
11271         (mov<mode>): Macroize expander from movv4sf and movv2df using
11272         SSEMODEF2P mode iterator.
11273         (<sse>_movnt<mode>): Ditto from similar patterns. Use
11274         SSE_VEC_FLOAT_MODE_P as insn constraint.
11275         (storent<mode>): Ditto.
11276         (storent<mode>): Macroize expander from storentsf and storentdf using
11277         MODEF mode iterator.
11278         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
11279         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
11280         (abs<mode>2): Ditto from similar patterns.
11281         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
11282         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
11283         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
11284         (<sse>_vmsqrt<mode>2): Ditto.
11285         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
11286         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
11287         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
11288         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
11289         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
11290         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
11291         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
11292         insn constraint.
11293         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
11294         iterator and SSE_FLOAT_MODE_P as insn constraint.
11295         (<sse>_ucomi): Ditto from similar patterns.
11296         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
11297         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
11298         SSE_VEC_FLOAT_MODE_P as insn constraint.
11299         (vcond<mode>): Ditto from similar patterns.
11300         (and<mode>3, *and<mode>3): Ditto.
11301         (<sse>_nand<mode>3): Ditto.
11302         (ior<mode>3, *ior<mode>3): Ditto.
11303         (xor<mode>3, *xor<mode>3): Ditto.
11304         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
11305         iterator and SSE_FLOAT_MODE_P as insn constraint.
11306         (*nand<mode>3): Ditto from similar patterns.
11307         (*ior<mode>3): Ditto.
11308         (*xor<mode>3): Ditto.
11309
11310 2008-02-20  Ira Rosen  <irar@il.ibm.com>
11311
11312         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
11313         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
11314         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
11315
11316 2008-02-19  Jan Hubicka  <jh@suse.cz>
11317
11318         * predict.c (tree_bb_level_predictions): Remove variable next
11319         mistakely introduced by previous commit.
11320
11321 2008-02-19  Jan Hubicka  <jh@suse.cz>
11322
11323         * predict.c (predict_paths_leading_to): Rewrite.
11324         (predict_paths_for_bb): New.
11325         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
11326
11327 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11328
11329         PR bootstrap/35218
11330         * Makefile.in (build_file_translate): New.
11331         (gcc-vers.texi): Use it for translating $(abs_srcdir).
11332         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
11333         * configure.ac (build_file_translate): Substitute it.
11334         * configure: Regenerate.
11335
11336 2008-02-19  Jan Hubicka  <jh@suse.cz>
11337
11338         PR rtl-optimization/34408
11339         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
11340         invalid sharing.
11341
11342 2008-02-19  Jan Hubicka  <jh@suse.cz>
11343
11344         PR middle-end/28779
11345         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
11346         call_expr.
11347
11348 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
11349
11350         PR Ada/35186
11351         * config/i386/i386-modes.def: Revert the last DI alignment
11352         change until Ada people can look into it.
11353
11354 2008-02-19  Nick Clifton  <nickc@redhat.com>
11355
11356         * opts.c (print_specific_help): Fix typo in --help text.
11357
11358 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
11359
11360         PR target/35239
11361         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
11362         32-bit inline asm without asm alternatives for host GCC < 3.0.
11363
11364 2008-02-19  Richard Guenther  <rguenther@suse.de>
11365
11366         PR tree-optimization/34989
11367         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
11368         Allow propagation to INDIRECT_REF if we can simplify only.
11369
11370 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11371
11372         * c-common.c (warn_for_collisions_1): Use appropriate option when
11373         warning.
11374
11375 2008-02-19  Nick Clifton  <nickc@redhat.com>
11376
11377         PR other/31349
11378         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
11379         (handle_options): Fix indentation.
11380         (print_filtered_help): If no language-specific options were
11381         displayed tell the user how to list all the options supported by
11382         the language's front-end.
11383         (print_specific_help): Fix indentation and remove duplicate line.
11384         (common_handle_option): Handle the -v option.
11385         For --help enable the display of undocumented options if the -v
11386         switch has been included on the command line.
11387         For --help= check for overlaps in the arguments between the option
11388         classes and the language names and issue a warning when they
11389         cannot be disambiguated.
11390         * c.opt (v): Pass on to the common option handler.
11391
11392 2008-02-19  Revital Eres  <eres@il.ibm.com> 
11393
11394         * modulo-sched.c (sms_schedule): Change dump message when
11395         create_ddg function fails.
11396         (try_scheduling_node_in_cycle): Rename row to cycle.
11397         (print_partial_schedule): Rename CYCLE to ROW.
11398
11399 2008-02-19  Christian Bruel  <christian.bruel@st.com>
11400             Zdenek Dvorak  <ook@ucw.cz>
11401
11402         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
11403
11404 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
11405
11406         PR target/33555
11407         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
11408         (*x86_movdicc_0_m1_se): Ditto.
11409
11410 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
11411
11412         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
11413         (CMPtype): Define as __gcc_CMPtype.
11414         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
11415         (CMPtype): Define as __gcc_CMPtype.
11416
11417 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
11418
11419         Support valgrind 3.3 for --enable-checking=valgrind.
11420         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
11421         here.
11422         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
11423         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
11424         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
11425         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
11426         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
11427         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
11428         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
11429         respectively.
11430         * ggc-zone.c: Similar.
11431         * ggc-page.c: Similar.
11432
11433 2008-02-19  Paul Brook  <paul@codesourcery.com>
11434
11435         PR target/35071
11436         * config/arm/ieee754-df.S: Fix do_it typo.
11437         * config/arm/ieee754-sf.S: Fix do_it typo.
11438
11439 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
11440
11441         PR target/35189
11442         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
11443         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
11444         (OPTION_MASK_ISA_SSE_SET): Likewise.
11445         (OPTION_MASK_ISA_SSE2_SET): Likewise.
11446         (OPTION_MASK_ISA_SSE3_SET): Likewise.
11447         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
11448         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
11449         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
11450         (OPTION_MASK_ISA_SSE4_SET): Likewise.
11451         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
11452         (OPTION_MASK_ISA_SSE5_SET): Likewise.
11453         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
11454         (OPTION_MASK_ISA_MMX_UNSET): Updated.
11455         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
11456         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
11457         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
11458         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
11459         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
11460         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
11461         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
11462         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
11463         (OPTION_MASK_ISA_SSE4): Removed.
11464         (ix86_handle_option): Turn on bits in ix86_isa_flags and
11465         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
11466         (override_options): Don't turn on implied SSE/MMX bits in
11467         ix86_isa_flags.
11468
11469 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
11470
11471         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
11472         32bit host.
11473
11474 2008-02-18  Joey Ye  <joey.ye@intel.com>
11475
11476         PR middle-end/34921
11477         * tree-nested.c (insert_field_into_struct): Set type alignment
11478         to field alignment if the former is less than the latter.
11479
11480 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
11481
11482         * BASE-VER: Set to 4.4.0.
11483
11484 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
11485
11486         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
11487         * doc/cfg.texi: Likewise.
11488         * doc/extend.texi: Likewise.
11489         * doc/gty.texi: Likewise.
11490         * doc/invoke.texi: Likewise.
11491         * doc/loop.texi: Likewise.
11492         * doc/md.texi: Likewise.
11493         * doc/passes.texi: Likewise.
11494         * doc/rtl.texi: Likewise.
11495         * doc/sourcebuild.texi: Likewise.
11496         * doc/tm.texi: Likewise.
11497         * doc/tree-ssa.texi: Likewise.
11498
11499 2008-02-17  Richard Guenther  <rguenther@suse.de>
11500
11501         PR middle-end/35227
11502         * tree-complex.c (init_parameter_lattice_values): Handle parameters
11503         without default definition.
11504
11505 2008-02-17  Richard Guenther  <rguenther@suse.de>
11506
11507         PR tree-optimization/35231
11508         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
11509         if A | B != 1.
11510
11511 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
11512
11513         Revert:
11514         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
11515         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
11516         libgcc_cmp_return mode.
11517
11518 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11519
11520         PR c/28368
11521         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
11522
11523 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
11524
11525         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
11526         multilibs.
11527
11528 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11529
11530         * doc/c-tree.texi: Use `@.' where appropriate.
11531         * doc/extend.texi: Likewise.
11532         * doc/install.texi: Likewise.
11533         * doc/invoke.texi: Likewise.
11534         * doc/loop.texi: Likewise.
11535         * doc/makefile.texi: Likewise.
11536         * doc/md.texi: Likewise.
11537         * doc/passes.texi: Likewise.
11538         * doc/standards.texi: Likewise.
11539         * doc/tm.texi: Likewise.
11540
11541 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
11542
11543         PR middle-end/35196
11544         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
11545         in entry_bb.
11546         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
11547         rather than in entry_bb.
11548
11549 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
11550
11551         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
11552         libgcc_cmp_return mode.
11553
11554 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
11555
11556         PR middle-end/35130
11557         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
11558         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
11559
11560 2008-02-15  Richard Guenther  <rguenther@suse.de>
11561             Zdenek Dvorak  <ook@ucw.cz>
11562
11563         PR tree-optimization/35164
11564         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
11565         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
11566         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
11567         Only propagate addresses which do not have abnormal SSA_NAMEs
11568         in their operands.
11569
11570 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
11571
11572         PR target/35088
11573         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
11574
11575 2008-02-15  Jan Hubicka  <jh@suse.cz>
11576
11577         PR middle-end/35149
11578         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
11579
11580 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
11581
11582         PR middle-end/34621
11583         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
11584         when calculating alignment_pad.
11585
11586 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
11587
11588         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
11589         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
11590         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
11591         and STACK_BOUNDARY define.
11592
11593 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
11594
11595         PR preprocessor/35061
11596         * c-pragma.c (handle_pragma_pop_macro): Check that
11597         pushed_macro_table has been allocated.
11598
11599 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
11600
11601         PR middle-end/35136
11602         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
11603         (force_gimple_operand): Likewise.
11604         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
11605         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
11606         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
11607         (find_interesting_uses_address): Check addressability and alignment
11608         of the base expression only after substituting bases of IVs into it.
11609
11610 2008-02-14  Michael Matz  <matz@suse.de>
11611
11612         PR target/34930
11613         * function.c (instantiate_virtual_regs_in_insn): Reload address
11614         before falling back to reloading the whole operand.
11615
11616 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11617
11618         * config/s390/s390.c (s390_mainpool_start): Emit the pool
11619         before the first section switch note.
11620
11621 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
11622
11623         * doc/bugreport.texi: Update copyright years.
11624         * doc/c-tree.texi: Likewise.
11625         * doc/cfg.texi: Likewise.
11626         * doc/cpp.texi: Likewise.
11627         * doc/cppinternals.texi: Likewise.
11628         * doc/fragments.texi: Likewise.
11629         * doc/frontends.texi: Likewise.
11630         * doc/gcc.texi: Likewise.
11631         * doc/gty.texi: Likewise.
11632         * doc/hostconfig.texi: Likewise.
11633         * doc/implement-c.texi: Likewise.
11634         * doc/libgcc.texi: Likewise.
11635         * doc/loop.texi: Likewise.
11636         * doc/makefile.texi: Likewise.
11637         * doc/options.texi: Likewise.
11638         * doc/passes.texi: Likewise.
11639         * doc/rtl.texi: Likewise.
11640         * doc/sourcebuild.texi: Likewise.
11641         * doc/standards.texi: Likewise.
11642         * doc/tree-ssa.texi: Likewise.
11643         * doc/trouble.texi: Likewise.
11644
11645         * doc/extend.texi: Use @: or add comma where appropriate.
11646         * doc/invoke.texi: Likewise.
11647         * doc/tm.texi: Likewise.
11648
11649 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
11650
11651         PR target/34393
11652         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
11653         to a reg.
11654
11655 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
11656
11657         * doc/md.texi (clz, ctz): Add reference.
11658         * doc/rtl.texi (clz, ctz): Likewise.
11659
11660 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11661
11662         PR other/35148
11663         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
11664         srcdir.
11665
11666 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
11667
11668         * config/s390/s390.c (struct constant_pool): New field
11669         emit_pool_after added.
11670         (s390_mainpool_start): Set the emit_pool_after flag according
11671         to the section switch notes.
11672         (s390_mainpool_finish): Consider emit_pool_after when emitting
11673         the literal pool at the end of the function.
11674         (s390_chunkify_start): Force literal pool splits at section
11675         switch notes.
11676
11677 2008-02-13  Michael Matz  <matz@suse.de>
11678
11679         PR debug/35065
11680         * var-tracking.c (clobber_variable_part): Correctly traverse the
11681         list.
11682
11683 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11684
11685         PR 29673
11686         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
11687         Add -fdump-ipa-inline.
11688         * tree-dump.c (dump_files): Remove tree-inlined dump.
11689         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
11690         
11691 2008-02-12  Richard Guenther  <rguenther@suse.de>
11692
11693         PR tree-optimization/35171
11694         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
11695         default defs.
11696
11697 2008-02-12  Richard Guenther  <rguenther@suse.de>
11698
11699         PR middle-end/35163
11700         * fold-const.c (fold_widened_comparison): Use get_unwidened in
11701         value-preserving mode.  Disallow final truncation.
11702
11703 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
11704
11705         PR middle-end/35136
11706         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
11707         code from here to...
11708         (force_gimple_operand): ...here.
11709
11710 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
11711
11712         PR c++/35144
11713         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
11714         non-compatible pointers.
11715         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
11716         different FIELD_DECLs, try harder by comparing field offsets, sizes
11717         and types.
11718
11719         PR inline-asm/35160
11720         * function.c (match_asm_constraints_1): Don't replace the same input
11721         multiple times.
11722
11723 2008-02-12  Anatoly Sokolov <aesok@post.ru>
11724
11725         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
11726         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
11727         (expand_epilogue): Restore RAMPZ register.
11728         * config/avr/avr.md (RAMPZ_ADDR): New constant.
11729
11730 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
11731
11732         * config/i386/cygwin.asm: (__alloca): Correct calling
11733         convention and alignment.
11734         (__chkstk): Force 8 byte stack alignment.
11735
11736 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
11737             Richard Guenther  <rguenther@suse.de>
11738
11739         PR tree-optimization/33992
11740         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
11741         the zero we compare against.
11742
11743 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
11744
11745         PR libfortran/35063
11746         * gthr-win32.h (__gthread_mutex_destroy_function): New function
11747         to CloseHandle after unlocking to prevent accumulation of handle
11748         count.
11749
11750 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11751
11752         PR middle_end/34150
11753         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
11754         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
11755         and update LABEL_NUSES during and after reload.
11756
11757 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
11758
11759         PR middle-end/34627
11760         * combine.c (simplify_if_then_else): Make sure the comparison is
11761         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
11762
11763 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11764
11765         PR bootstrap/35051
11766         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
11767         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
11768         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
11769         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
11770         * tree.h (get_type_static_bounds): Likewise.
11771
11772 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11773
11774         * doc/invoke.texi (Option Summary, C++ Dialect Options)
11775         (Objective-C and Objective-C++ Dialect Options, Warning Options):
11776         Make -Wfoo language annotations match what the compiler outputs.
11777
11778 2008-02-08  Sa Liu  <saliu@de.ibm.com>
11779
11780         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
11781         intrinsics spu_convts, spu_convtu, spu_convtf.
11782
11783 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
11784
11785         * doc/extend.texi (Function Attributes) <noinline>: Mention
11786         asm ("") as method to keep calls.
11787
11788 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11789
11790         PR other/32754
11791         * doc/options.texi (Options): Replace references to opts.sh with
11792         optc-gen.awk.
11793         * opts-common.c: Likewise.
11794         * optc-gen.awk: Likewise.
11795         
11796 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
11797
11798         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
11799
11800 2008-02-07  Richard Henderson  <rth@redhat.com>
11801
11802         PR rtl-opt/33410
11803         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
11804         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
11805         funny mode.
11806
11807 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
11808
11809         PR tree-optimization/35085
11810         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
11811         for operand entry oe2 in addition to operand entry oe3 in order to
11812         expose more opportunities for vectorizer sum reduction.
11813
11814 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11815
11816         PR other/35107
11817         * Makefile.in (LIBS): Remove $(GMPLIBS).
11818         (cc1-dummy, cc1): Add $(GMPLIBS).
11819
11820 2008-02-06  Jan Hubicka  <jh@suse.cz>
11821
11822         PR target/23322
11823         * i386.md (moddf_integer): Do not produce partial memory stalls for
11824         targets where it hurts.
11825
11826 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
11827
11828         PR target/35083
11829         * optabs.c (expand_float): Do not check for decimal modes when
11830         expanding unsigned integer through signed conversion.
11831
11832 2008-02-06  Nick Clifton  <nickc@redhat.com>
11833
11834         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
11835         inside the clobber with a match_operand and duplicated operand
11836         number in the constraint.
11837         (ineqbranchsi): Delete redundant comment.
11838
11839 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
11840
11841         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
11842         builtin_define ("__USE_INIT_FINI__").
11843         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
11844         -msx multilibs.
11845         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
11846
11847 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11848
11849         PR documentation/30330
11850         * doc/invoke.texi (C++ Dialect Options)
11851         (Objective-C and Objective-C++ Dialect Options, Warning Options):
11852         For each warning option -Wfoo that allows -Wno-foo, ensure both
11853         -Wfoo and -Wno-foo are listed in the option index.  Fix index
11854         entry of -Wswitch-default, index -Wnormalized= including the
11855         `=', and -Wlarger-than-@var{len} including @var{len}.
11856
11857 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
11858
11859         * config/i386/i386.md (floatunssisf2): Use
11860         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
11861         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
11862         Macroize expander using MODEF mode iterator.
11863
11864 2008-02-05  Diego Novillo  <dnovillo@google.com>
11865
11866         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
11867
11868         PR 33738
11869         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
11870
11871 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11872
11873         PR other/35070
11874         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
11875
11876 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
11877
11878         PR target/35084
11879         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
11880         to indicate if a message should be generated.
11881         (init_cumulative_args): Updated.
11882         (function_value_32): Likewise.
11883
11884 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
11885
11886         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
11887
11888 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
11889
11890         PR target/35083
11891         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
11892         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
11893
11894 2008-02-04  Diego Novillo  <dnovillo@google.com>
11895
11896         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
11897
11898         PR 33738
11899         * tree-vrp.c (vrp_evaluate_conditional): With
11900         -Wtype-limits, emit a warning when comparing against a
11901         constant outside the natural range of OP0's type.
11902
11903 2008-02-04  Richard Guenther  <rguenther@suse.de>
11904
11905         PR middle-end/33631
11906         * expr.c (count_type_elements): Give for unions instead of
11907         guessing.
11908
11909 2008-02-04  Richard Guenther  <rguenther@suse.de>
11910
11911         PR middle-end/35043
11912         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
11913         to TYPE_DOMAINs base type instead of using bitsizetype here.
11914
11915 2008-02-03  Jason Merrill  <jason@redhat.com>
11916
11917         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
11918
11919 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11920
11921         PR other/29972
11922         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
11923         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
11924         (RS/6000 and PowerPC Options): Fix typos and markup.
11925         * doc/passes.texi (Tree-SSA passes): Likewise.
11926
11927 2008-02-02  Michael Matz  <matz@suse.de>
11928
11929         PR target/35045
11930         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
11931         from record_last_reg_set_info.
11932         (record_last_reg_set_info): Take an RTX argument, iterate over all
11933         constituent hardregs.
11934         (record_last_set_info, record_opr_changes): Change calls to
11935         new signature or to record_last_reg_set_info_regno.
11936
11937 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
11938
11939         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
11940
11941 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
11942
11943         PR rtl-optimization/34773
11944         * reg-notes.def (EQUAL): Mention significance of combination of
11945         REG_EQUAL and REG_RETVAL.
11946         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
11947         insn that has a REG_RETVAL.
11948
11949 2008-02-01  Roger Sayle  <roger@eyesopen.com>
11950
11951         PR bootstrap/33781
11952         * configure.ac (--enable-fixed-point): Disable unless explicitly
11953         requested on IRIX.
11954         * configure: Regenerate.
11955
11956 2008-02-01  Richard Guenther  <rguenther@suse.de>
11957
11958         PR other/35042
11959         * invoke.texi (-finline-limit): Remove no longer true parts
11960         of the documentation.  Note that there is no default value.
11961
11962 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
11963             Mark Mitchell  <mark@codesourcery.com>
11964             Ben Elliston  <bje@au.ibm.com>
11965
11966         PR c/29326
11967         * doc/extend.texi (Other Builtins): Document.
11968
11969 2008-01-31  Tom Browder <tom.browder@gmail.com>
11970
11971         * doc/c-tree.texi (Types): Fix grammar.
11972         (Expression trees): Ditto.
11973         * doc/passes.texi (Tree-SSA passes): Ditto.
11974         
11975         * doc/configterms.texi (Configure Terms): Fix typo.
11976         * doc/cpp.texi (Common Predefined Macros): Ditto.
11977         * doc/md.texi (Machine Constraints): Ditto.
11978         
11979         * doc/makefile.texi (Makefile): Add comma.
11980
11981 2008-01-31  Tom Browder  <tom.browder@gmail.com>
11982             Gerald Pfeifer  <gerald@pfeifer.com>
11983         
11984         * doc/sourcebuild.texi (Front End): Remove references to CVS
11985         and CVSROOT/modules.
11986         (Texinfo Manuals): Replace reference to CVS by one to SVN.
11987         (Back End): Remove reference to CVS.
11988
11989 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
11990
11991         PR target/34900
11992         * config/mips/mips.c (gen_load_const_gp): New function, taking a
11993         comment from...
11994         (mips16_gp_pseudo_reg): ...here.
11995         * config/mips/mips.md (load_const_gp): Replace with...
11996         (load_const_gp_<mode>): ...this :P-based insn.
11997
11998 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11999
12000         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
12001         options. Minor fixes.
12002         (-std): Move reference to standards closer to where language
12003         standards are first mentioned.
12004         
12005 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
12006
12007         PR rtl-optimization/34995
12008         * reload.c (alternative_allows_const_pool_ref): Take an rtx
12009         parameter and return a bool.  If the rtx parameter is nonnull,
12010         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
12011         (find_reloads): Update call accordingly.  Pass the new operand
12012         if it needed no address reloads, otherwise pass null.
12013
12014 2008-01-30  Richard Henderson  <rth@redhat.com>
12015
12016         PR c/34993
12017         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
12018         for unbounded arrays.
12019
12020 2008-01-30  Silvius Rus  <rus@google.com>
12021
12022         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
12023
12024 2008-01-30  Jan Hubicka  <jh@suse.cz>
12025
12026         PR target/34982
12027         * i386.c (init_cumulative_args): Use real function declaration when
12028         calling locally.
12029
12030 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
12031
12032         PR rtl-optimization/34998
12033         * global.c (build_insn_chain): Treat non-subreg_lowpart
12034         SUBREGs of pseudos as clobbering all the words covered by the
12035         SUBREG, not just all the bytes.
12036         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
12037         original df_ref rather than an extract parameter.
12038         (global_conflicts): Update call accordingly.
12039
12040 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
12041
12042         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
12043         the overflow check to make it easier to read.
12044         (__fixtfdi): Change the type of the ll member in union
12045         long_double to UDItype_x.
12046
12047 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
12048
12049         PR middle-end/34969
12050         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
12051         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
12052         * tree-inline.c (fold_marked_statements): Call
12053         cgraph_update_edges_for_call_stmt if folding a call statement.
12054         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
12055         debug_generic_stmt calls, reset it back afterwards.
12056
12057         PR c/35017
12058         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
12059         static decls.
12060         * c-typeck.c (build_external_ref): Don't pedwarn about
12061         static vars in current function's scope.
12062
12063 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
12064
12065         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
12066
12067 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
12068
12069         PR c/35002
12070         * ipa-struct-reorg.c: Fix spelling.
12071         * params.def: Ditto.
12072
12073 2008-01-29  Richard Guenther  <rguenther@suse.de>
12074
12075         PR middle-end/35006
12076         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
12077         field.
12078         * tree-inline.c (remap_type): Increment remapping_type_depth
12079         around remapping types.
12080         (copy_body_r): Only add referenced variables if they are referenced
12081         from code, not types.
12082
12083 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
12084
12085         PR c++/34055
12086         PR c++/34103
12087         PR c++/34219
12088         PR c++/34606
12089         PR c++/34753
12090         PR c++/34754
12091         PR c++/34755
12092         PR c++/34919
12093         PR c++/34961
12094         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
12095         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
12096
12097 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
12098
12099         PR target/34412
12100         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
12101         pointer for tiny stack.
12102
12103 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
12104
12105         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
12106
12107 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
12108
12109         * config/vx-common.h: Fix typo in comment.
12110
12111 2008-01-28  Ian Lance Taylor  <iant@google.com>
12112
12113         PR c++/34862
12114         PR c++/33407
12115         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
12116         coalesce pointers if they have different DECL_NO_TBAA_P values.
12117         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
12118         between variables with different DECL_NO_TBAA_P values.
12119
12120 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
12121
12122         PR 31535
12123         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
12124         are not legitimate small data references on SPE targets.
12125
12126 2008-01-28  David Daney  <ddaney@avtrex.com>
12127
12128         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
12129
12130 2008-01-28  David Daney  <ddaney@avtrex.com>
12131
12132         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
12133
12134 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
12135
12136         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
12137         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
12138         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
12139         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
12140         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
12141         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
12142         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
12143         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
12144
12145 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
12146
12147         * basic-block.h (condjump_equiv_p): Fix comment.
12148
12149 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
12150
12151         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
12152         print_generic_stmt_indented): Fix comment.
12153
12154 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
12155
12156         * configure.ac (__stack_chk_fail): Add detecion for availability
12157         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
12158         * configure: Regenerate.
12159
12160 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
12161
12162         PR middle-end/34688
12163         * final.c (output_addr_const): Handle TRUNCATE.
12164
12165 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
12166
12167         PR target/34711
12168         * tree-ssa-loop-ivopts.c (comp_cost): New type.
12169         (zero_cost, infinite_cost): New constants.
12170         (struct cost_pair): Change type of cost to comp_cost.
12171         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
12172         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
12173         New functions.
12174         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
12175         split_address_cost, ptr_difference_cost, difference_cost,
12176         get_computation_cost_at, get_computation_cost,
12177         determine_use_iv_cost_generic, determine_use_iv_cost_address,
12178         determine_use_iv_cost_condition, determine_use_iv_costs,
12179         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
12180         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
12181         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
12182         Change type of cost to comp_cost.
12183         (determine_iv_cost): Increase cost of non-original ivs, instead
12184         of decreasing the cost of original ones.
12185         (get_address_cost): Indicate the complexity of the addressing mode 
12186         in comp_cost.
12187         (try_add_cand_for): Prefer using ivs not specific to some object.
12188         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
12189
12190 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
12191             Janis Johnson  <janis187@us.ibm.com>
12192
12193         PR target/34814
12194         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
12195         (TARGET_INSTANTIATE_DECLS): Likewise.
12196         * target.h (expand_to_rtl_hook): New target hook.
12197         (instantiate_decls): Likewise.
12198         * function.c (instantiate_decl): Make non-static.  Rename to...
12199         (instantiate_decl_rtl): ... this.
12200         (instantiate_expr): Use instantiate_decl_rtl.
12201         (instantiate_decls_1): Likewise.
12202         (instantiate_decls): Likewise.
12203         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
12204         * function.h (instantiate_decl_rtl): Add prototype.
12205         * cfgexpand.c (target.h): New include.
12206         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
12207         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
12208         (TARGET_INSTANTIATE_DECLS): Likewise.
12209         (TARGET_INITIALIZER): New target hooks added.
12210         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
12211         New prototype.
12212         * config/rs6000/rs6000.c (tree-flow.h): New include.
12213         (machine_function): Add sdmode_stack_slot field.
12214         (rs6000_alloc_sdmode_stack_slot): New function.
12215         (rs6000_instantiate_decls): Likewise.
12216         (rs6000_secondary_memory_needed_rtx): Likewise.
12217         (rs6000_check_sdmode): Likewise.
12218         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
12219         (TARGET_INSTANTIATE_DECLS): Likewise.
12220         (rs6000_hard_regno_mode_ok): Allow SDmode.
12221         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
12222         (rs6000_emit_move): Handle SDmode.
12223         (function_arg_advance): Likewise.
12224         (function_arg): Likewise.
12225         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
12226         SDmode var args for 32-bit compiles.
12227         (rs6000_secondary_reload_class): Handle SDmode.
12228         (rs6000_output_function_epilogue): Likewise.
12229         (rs6000_function_value): Simplify if statement.
12230         (rs6000_libcall_value): Likewise.
12231         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
12232         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
12233         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
12234         (movsd_hardfloat): New define_insn.
12235         (movsd_softfloat): Likewise.
12236         (movsd_store): Likewise.
12237         (movsd_load): Likewise.
12238         (extendsddd2): Likewise.
12239         (extendsdtd2): Likewise.
12240         (truncddsd2): Likewise.
12241         (movdd_hardfloat64): Fixup comment.
12242         (UNSPEC_MOVSD_LOAD): New constant.
12243         (UNSPEC_MOVSD_STORE): Likewise.
12244
12245 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
12246
12247         PR c++/34965
12248         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
12249         TRUTH_XOR_EXPR.
12250         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
12251         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
12252         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
12253         and TRUTH_XOR_EXPR.
12254
12255 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
12256
12257         PR target/34794
12258         * config.gcc: Separate AIX 5.3 from AIX 6.1.
12259         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12260         __LONGDOUBLE128 too.
12261         * config/rs6000/aix61.h: New file.
12262
12263 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
12264
12265         PR rtl-optimization/34959
12266         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
12267         popcount and parity rtxes the same mode as their operand.
12268         Truncate or extend the result to the return value's mode
12269         if necessary.
12270
12271 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
12272
12273         PR target/34981
12274         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
12275         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
12276         to GOT_VERSION_REGNUM.
12277         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
12278         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
12279         * config/mips/mips.c (mips_emit_call_insn): New function.
12280         (mips_call_tls_get_addr): Call mips_expand_call directly.
12281         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
12282         emit_call_insn.
12283         (mips16_build_call_stub): Likewise.  Return the call insn or null.
12284         (mips_expand_call): Update the call to mips16_build_call_stub
12285         accordingly and a remove redundant condition.  Assert that MIPS16
12286         stubs do not use lazy binding.  Use mips_emit_call_insn and return
12287         the call insn.
12288         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
12289         TARGET_USE_GOT.
12290         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
12291         (mips_avoid_hazard): Remove hazard_set handling.
12292         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
12293         (UNSPEC_RESTORE_GP): ...this.
12294         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
12295         (FAKE_CALL_REGNO): Rename to...
12296         (GOT_VERSION_REGNUM): ...this.
12297         (type): Add "ghost" value.  Add an associated insn reservation.
12298         (hazard_set): Remove.
12299         (exception_receiver): Rename to...
12300         (restore_gp): ...this and update the unspec identifier accordingly.
12301         (exception_receiver, nonlocal_got_receiver): New expanders.
12302         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
12303         FAKE_CALL_REGNO.  Remove hazard_set attribute.
12304         (set_got_version, update_got_version): New patterns.
12305
12306 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
12307
12308         PR target/34970
12309         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
12310
12311 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
12312
12313         PR other/31955
12314         * doc/install.texi2html: Generate gcc-vers.texi.
12315
12316 2008-01-25  DJ Delorie  <dj@redhat.com>
12317
12318         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
12319
12320 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
12321
12322         * config/c4x: Remove directory.
12323         * config.gcc (crx-*, mt-*): Mark obsolete.
12324         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
12325         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
12326         sh-*-rtemscoff*): Remove cases.
12327         * defaults.h (C4X_FLOAT_FORMAT): Remove.
12328         * real.c (encode_c4x_single, decode_c4x_single,
12329         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
12330         c4x_extended_format): Remove.
12331         * real.h (c4x_single_format, c4x_extended_format): Remove.
12332         * doc/extend.texi (interrupt, naked): Remove mention of attributes
12333         on C4x.
12334         (Pragmas): Remove comment about c4x pragmas.
12335         * doc/install.texi (c4x): Remove target-specific instructions.
12336         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
12337         * doc/md.texi (Machine Constraints): Remove C4x documentation.
12338         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
12339         refer to C4x source files as examples.
12340         (C4X_FLOAT_FORMAT): Remove documentation.
12341
12342 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
12343
12344         * config/bfin/bfin.c (override_options): Reorder tests so that
12345         flag_pic gets enabled for -msep-data.
12346
12347 2008-01-25  Richard Guenther  <rguenther@suse.de>
12348
12349         PR middle-end/32244
12350         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
12351         to its bitfield precision if required.
12352
12353 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
12354
12355         PR middle-end/33880
12356         * tree-nested.c (walk_omp_for): New function.
12357         (convert_nonlocal_reference, convert_local_reference): Call
12358         walk_omp_for on OMP_FOR.
12359         (convert_call_expr): Call walk_body on OMP_FOR's
12360         OMP_FOR_PRE_INIT_BODY.
12361
12362 2008-01-25  Richard Guenther  <rguenther@suse.de>
12363
12364         PR tree-optimization/34966
12365         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
12366         default defs and PHI_NODEs we have to insert after the
12367         defining statement.
12368
12369 2008-01-24  Nick Clifton  <nickc@redhat.com>
12370
12371         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
12372         Provide a default definition.
12373         (LIBGCC2_UNITS_PER_WORD): Likewise.
12374
12375         * config/stormy16/stormy16.c: Include df.h for the prototype
12376         for df_regs_ever_live_p.
12377         (xstormy16_expand_builtin_va_start): Convert the stack offset
12378         into a component_ref and then use POINTER_PLUS_EXPR to add it
12379         to the incoming_virtual_args_rtx.
12380         (xstormy16_gimplify_va_arg_expr): Rename to
12381         xstormy16_gimplify_va_arg_expr.
12382         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
12383         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
12384         xstormy16_gimplify_va_arg_expr.
12385         Fix up some formatting issues.
12386
12387         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
12388         Move to predicates.md.
12389         (xs_hi_general_operand): Likewise.
12390         (xs_hi_nonmemory_operand): Likewise.
12391         * config/stormy16/predicates.md:
12392         (xstormy16_carry_plus_operand): New predicate.
12393         (xs_hi_general_operand): New predicate.
12394         (xs_hi_nonmemory_operand): New predicate.
12395         * config/stormy16/stormy16-protos.h:
12396         (xstormy16_carry_plus_operand): Delete prototype.
12397         (xs_hi_general_operand): Likewise.
12398         (xs_hi_nonmemory_operand): Likewise.
12399
12400         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
12401         modifiers as they are no longer needed and they can trigger
12402         reload spill failures.
12403
12404         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
12405         with a match_operand in order to help reload.
12406
12407         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
12408         constraint with 'e' for the 8th alternative as this version of
12409         the mov.w instruction only accepts the lower 8 registers.
12410
12411 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
12412
12413         PR target/34856
12414         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
12415         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
12416         vector elements.
12417
12418 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
12419
12420         PR middle-end/33333
12421         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
12422
12423 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
12424
12425         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
12426         New functions.
12427         (remove_structure): Update allocations list before removing structure.
12428         
12429 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
12430
12431         * ipa-struct-reorg.c (is_safe_cond_expr, 
12432         create_new_stmts_for_cond_expr): Use integer_zerop function,
12433         that recognize not only zero-pointer, but zero-integer too.
12434
12435 2008-01-25  Ben Elliston  <bje@au.ibm.com>
12436
12437         PR other/22232
12438         * fixproto: Escape "." in sed expression that strips leading "./".
12439
12440 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
12441
12442         PR driver/34904
12443         * gcc.c (SWITCH_OK): Removed.
12444         (SWITCH_LIVE): Changed to bit.
12445         (SWITCH_FALSE): Likewise.
12446         (SWITCH_IGNORE): Likewise.
12447         (switchstr): Change live_cond to unsigned int.
12448         (process_command): Replace SWITCH_OK with 0.
12449         (do_self_spec): Likewise.
12450         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
12451         (give_switch): Likewise.
12452         (used_arg): Likewise.
12453         (do_spec_1): Set the SWITCH_IGNORE bit.
12454         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
12455         bits.  Set the SWITCH_LIVE bit.
12456
12457 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
12458
12459         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
12460
12461 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
12462
12463         PR tree-optimization/34472
12464         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
12465         parameter to a "bool *" and set *DATA to false if there is
12466         an unsafe access.  Do not delete the structure here.
12467         (check_cond_exprs): Delete it here instead.
12468         (check_cond_exprs, exclude_cold_structs): Do not increase
12469         I when removing a structure.
12470
12471 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
12472
12473         PR target/34856
12474         * config/i386/i386.c (ix86_expand_vector_init): Consider only
12475         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
12476
12477 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
12478
12479         PR middle-end/34934
12480         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
12481         a fixed vector for stack.
12482
12483 2008-01-24  Ben Elliston  <bje@au.ibm.com>
12484
12485         PR c++/25701
12486         * doc/gcc.texi (Software development): Add a direntry for g++.
12487         
12488 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
12489
12490         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
12491         stale and straggling -fforce-addr comments above.
12492
12493         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
12494         define.
12495         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
12496         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
12497
12498 2008-01-23  Michael Matz  <matz@suse.de>
12499
12500         PR debug/34895
12501         * dwarf2out.c (force_type_die): Use modified_type_die instead of
12502         gen_type_die.
12503
12504 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
12505
12506         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
12507         malloc result type.
12508
12509 2008-01-23 Anatoly Sokolov <aesok@post.ru>
12510
12511         * config/avr/avr.c (avr_current_arch): New variable.
12512         (avr_arch_types): Add 'avr31' and 'avr51' entries.
12513         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
12514         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
12515         (avr_override_options): Init 'avr_current_arch'. 
12516         (base_arch_s): Move from here...
12517         * config/avr/avr.h (base_arch_s): ... here. Add new members 
12518         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
12519         'mega' to 'have_jmp_call'.
12520         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
12521         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
12522         macros.
12523         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
12524         architectures.
12525         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
12526         MULTILIB_MATCHES): (Ditto.).
12527
12528 2008-01-23  Richard Guenther  <rguenther@suse.de>
12529
12530         PR middle-end/31529
12531         * cgraphunit.c (cgraph_reset_node): Always mark the node
12532         not reachable if it is not queued already.
12533
12534 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
12535
12536         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
12537         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
12538         (cputype_selected): New static variable.
12539         (bfin_handle_option): Set it if -mcpu is used.
12540         (override_option): Select default set of workarounds if no cpu type
12541         selected on the command line.
12542         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
12543
12544         From  Michael Frysinger  <michael.frysinger@analog.com>
12545         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
12546         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
12547
12548         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
12549         for bf547, bf523, bf524, and bf526.
12550         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
12551         bf526.
12552         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12553         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
12554         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
12555         __ADSPBF547__ and __ADSPBF54x__ for bf547.
12556         * doc/invoke.texi (Blackfin Options): Document that
12557         -mcpu now accept bf547, bf523, bf524, and bf526.
12558
12559 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
12560
12561         PR rtl-optimization/34628
12562         * combine.c (try_combine): Stop and undo after the first combination
12563         if an autoincrement side-effect on the first insn has effectively
12564         been lost.
12565
12566 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
12567
12568         PR target/34529
12569         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
12570         Offset addresses are not valid for Altivec or paired float modes.
12571
12572 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
12573
12574         PR c++/34607
12575         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
12576         if DECL_INITIAL (decl) is error_mark_node.
12577
12578         PR c++/34914
12579         * c-common.c (handle_vector_size_attribute): Only allow
12580         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
12581         the same way as pointer, array etc. types.
12582         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
12583
12584         PR c++/34917
12585         * tree.c (build_type_attribute_qual_variant): Call
12586         build_qualified_type if attributes are equal, but quals are not.
12587
12588 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12589
12590         PR 32102
12591         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
12592         * flags.h (warn_strict_aliasing): Remove.
12593         (warn_strict_overflow): Remove.
12594         * opts.c (warn_strict_aliasing): Remove.
12595         (warn_strict_overflow): Remove.
12596         * c-opts.c (c_common_handle_option): -Wall only sets
12597         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
12598         (c_common_post_options): Give default values to -Wstrict-aliasing
12599         and -Wstrict-overflow if they are uninitialized.
12600         * common.opt (Wstrict-aliasing): Specify Var and Init.
12601         (Wstrict-overflow): Likewise.
12602
12603 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
12604
12605         PR rtl-optimization/26854
12606         PR rtl-optimization/34400
12607         PR rtl-optimization/34884
12608         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
12609         DF_RD->gen.
12610         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
12611         (df_rd_bb_info.expanded_lr_out): Deleted
12612         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
12613         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
12614         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
12615         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
12616         Removed code to allocate, initialize or free expanded_lr_out.
12617         (df_rd_bb_local_compute_process_def): Restructured to make more
12618         understandable.
12619         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
12620         sets if the sets are being trimmed.
12621
12622 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
12623
12624         PR bootstrap/32287
12625         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
12626         (as_vers): Likewise.
12627         * configure: Regenerated.
12628
12629 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12630
12631         PR middle-end/33092
12632         * tree-pass.h (pass_build_alias): New pass.
12633         * tree-ssa-alias.c (gate_build_alias): New.
12634         (pass_build_alias): New.
12635         * passes.c (init_optimization_passes): Add pass_build_alias after
12636         pass_create_structure_vars.
12637
12638 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
12639
12640         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
12641         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
12642         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
12643         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
12644         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
12645         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
12646         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
12647         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
12648         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
12649         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
12650         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
12651         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
12652         * config/s390/s390.md (FP_ALL): New mode iterator.
12653         (_d): New mode attribute.
12654         ("*signbit<mode>2>"): Changed mode of first operand.
12655         ("isinf<mode>2"): Changed mode of first operand.
12656         ("*TDC_insn"): Adaptation for DFP modes.
12657
12658 2008-01-22  Ben Elliston  <bje@au.ibm.com>
12659
12660         * tree.c (check_qualified_type): Improve function description.
12661
12662 2008-01-21  Jason Merrill  <jason@redhat.com>
12663
12664         PR c++/34196
12665         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
12666         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
12667         if it is set.
12668
12669 2008-01-21  DJ Delorie  <dj@redhat.com>
12670
12671         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
12672         return zero.
12673
12674 2008-01-21  Richard Guenther  <rguenther@suse.de>
12675
12676         PR middle-end/34856
12677         * tree-cfg.c (verify_expr): Allow all invariant expressions
12678         instead of just constant class ones as reference argument.
12679         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
12680         like any other constant.
12681         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
12682
12683 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
12684
12685         * regmove.c (fixup_match_1): Update call crossed frequencies.
12686
12687 2008-01-21  Richard Guenther  <rguenther@suse.de>
12688
12689         PR c/34885
12690         * tree-inline.c (setup_one_parameter): Deal with mismatched
12691         types using a VIEW_CONVERT_EXPR.
12692
12693 2008-01-21  Alon Dayan  <alond@il.ibm.com>
12694             Olga Golovanevsky  <olga@il.ibm.com>
12695         
12696         PR tree-optimization/34701
12697         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
12698         when the structure size is not a power of 2.
12699
12700 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
12701
12702         * doc/install.texi: Add doc for --enable-checking=df.
12703         
12704 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
12705
12706         PR rtl-optimization/34808
12707         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
12708
12709 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
12710
12711         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
12712         input.
12713
12714 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
12715
12716         PR rtl-optimization/26854
12717         PR rtl-optimization/34400
12718         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
12719         DF_RD->gen.
12720         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
12721         (df_rd_bb_info.expanded_lr_out): New.
12722         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
12723         * loop_iv.c (iv_analysis_loop_init): Ditto.
12724         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
12725         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
12726         Added code to allocate, initialize or free expanded_lr_out.
12727         (df_rd_bb_local_compute_process_def): Restructured to make
12728         more understandable.
12729         (df_rd_confluence_n): Add code to do nothing with fake edges and
12730         code to no apply invalidate_by_call sets if the sets are being trimmed.
12731         (df_lr_local_finalize): Renamed to df_lr_finalize.
12732         (df_live_local_finalize): Renamed to df_live_finalize.
12733
12734 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
12735
12736         PR target/34831
12737         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
12738         deciding whether to use reciprocal instructions.
12739
12740 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
12741
12742         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
12743         dwarf2out_note_section_used if cold_text_section is NULL.
12744
12745 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
12746
12747         PR gcov-profile/34610
12748         * tree-cfg.c (make_edges): Mark both outgoing edges from
12749         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
12750         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
12751         from OMP_FOR and OMP_CONTINUE outgoing edges.
12752
12753         * tree-profile.c (tree_profiling): Return early if
12754         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
12755         at the end.
12756         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
12757         from cfun to child_cfun.
12758         * function.h (struct function): Add after_tree_profile bit.
12759
12760 2008-01-19 Anatoly Sokolov <aesok@post.ru>
12761
12762         * config/avr/avr.S (_exit): Disable interrupt.
12763
12764 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
12765             Steven Bosscher  <stevenb.gcc@gmail.com>
12766
12767         PR rtl-optimization/26854
12768         PR rtl-optimization/34400
12769         * df-problems.c (df_live_scratch): New scratch bitmap.
12770         (df_live_alloc): Allocate df_live_scratch when doing df_live.
12771         (df_live_reset): Clear the proper bitmaps.
12772         (df_live_bb_local_compute): Only process the artificial defs once
12773         since the order is not important.
12774         (df_live_init): Init the df_live sets only with the variables
12775         found live by df_lr.
12776         (df_live_transfer_function): Use the df_lr sets to prune the
12777         df_live sets as they are being computed.  
12778         (df_live_free): Free df_live_scratch.
12779
12780 2008-01-18  Ian Lance Taylor  <iant@google.com>
12781
12782         * common.opt: Add fmerge-debug-strings.
12783         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
12784         flag_merge_debug_strings rather than flag_merge_constants.
12785         * doc/invoke.texi (Option Summary): Mention
12786         -fmerge-debug-strings.
12787         (Debugging Options): Document -fmerge-debug-strings.
12788
12789 2008-01-18  Ian Lance Taylor  <iant@google.com>
12790
12791         PR c++/33407
12792         * tree.h (DECL_IS_OPERATOR_NEW): Define.
12793         (struct tree_function_decl): Add new field operator_new_flag.
12794         * tree-inline.c (expand_call_inline): When inlining a call to
12795         operator new, force the return value to go into a variable, and
12796         set DECL_NO_TBAA_P on that variable.
12797         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
12798
12799 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
12800
12801         PR debug/34484
12802         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
12803         DWARF2_DEBUGGING_INFO.
12804         (dwarf2out_note_section_used): Ditto.  Add prototype.
12805         (have_multiple_function_sections, text_section_used,
12806         cold_text_section_used, *cold_text_sections): Move declarations
12807         before their uses.
12808
12809 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
12810
12811         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
12812         field and add signal_ra.
12813         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
12814         assignments to frame state pc.  Move end of stack check after
12815         MD_FALLBACK_FRAME_STATE_FOR.
12816         (uw_update_context_1): Use frame state signal_regs if set, instead
12817         of checking signal_frame flag.
12818         (uw_update_context): Use frame state signal_ra if set.
12819         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
12820         * config/xtensa/linux-unwind.h: New file.
12821
12822 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
12823
12824         * modulo-sched.c (get_sched_window): Fix comment typo.
12825
12826 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
12827
12828         PR tree-optimization/34648
12829         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
12830
12831 2008-01-17  Anatoly Sokolov <aesok@post.ru>
12832
12833         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
12834         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
12835
12836 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
12837
12838         PR rtl-optimization/34400
12839         * df-core.c (df_worklist_dataflow_overeager,
12840         df_worklist_dataflow_doublequeue): New functions.
12841         (df_worklist_dataflow): Two different worklist solvers.
12842         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
12843         New param.
12844
12845 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12846
12847         PR testsuite/34821
12848         * doc/invoke.texi: Document the dependence on pthread for fopenmp
12849         and ftree-parallelize-loops.
12850
12851 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
12852
12853         PR rtl-optimization/34826
12854         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
12855
12856 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
12857
12858         * global.c (find_reg): Mark the eh regs as used if necessary.
12859         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
12860         * ra.h (struct allocno): no_eh_reg field added.  Changed
12861         no_stack_reg type to bitfield.
12862
12863 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
12864
12865         * tree.c (substitute_in_expr): Add missing 'break'.
12866
12867 2008-01-17  Richard Guenther  <rguenther@suse.de>
12868
12869         PR tree-optimization/34825
12870         * tree-ssa-math-opts.c (is_division_by): Do not recognize
12871         x / x as division to handle.
12872
12873 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12874
12875         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
12876         "-pthread" is specified.
12877         * pa-hpux11.h (LIB_SPEC): Likewise.
12878
12879 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
12880             Peter Bergner  <bergner@vnet.ibm.com>
12881
12882         PR rtl-optimization/33796
12883         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
12884
12885 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12886
12887         PR libgfortran/34699
12888         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
12889         static links.
12890         * pa-hpux10.h (LINK_SPEC): Likewise.
12891         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
12892
12893 2008-01-16  Richard Guenther  <rguenther@suse.de>
12894
12895         PR middle-end/32628
12896         * fold-const.c (fold_convert_const_int_from_int): Do not
12897         set overflow if that occured only because of a sign extension
12898         change when converting from/to a sizetype with the same
12899         precision and signedness.
12900
12901 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
12902
12903         PR debug/34249
12904         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
12905         location address to the correct place.  Update copyright year.
12906
12907 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12908
12909         * lambda-code.c (lambda_transform_legal_p): Handle the case of
12910         no dependences in the dependence_relations vector.
12911
12912 2008-01-16  Jan Hubicka  <jh@suse.cz>
12913
12914         PR rtl-optimization/31396
12915         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
12916         * cfg.c (dump_reg_info): Print it.
12917         * regs.h (struct reg_info_t): add freq_calls_crossed.
12918         (REG_FREQ_CALLS_CROSSED): New macro.
12919         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
12920         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
12921         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
12922         regmove_optimize): Update call crossed frequencies.
12923         * local-alloc.c (struct qty): Add freq_calls_crossed.
12924         (alloc_qty): Copute freq_calls_crossed.
12925         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
12926         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
12927         * ra.h (struct allocno): Add freq_calls_crossed.
12928
12929 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12930
12931         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
12932         libgomp when compiling with ftree-parallelize-loops.
12933         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
12934
12935 2008-01-16  Richard Guenther  <rguenther@suse.de>
12936
12937         PR tree-optimization/34769
12938         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
12939         * tree.c (int_cst_value): Instead make this function more
12940         permissive in what it accepts as valid input.  Document this
12941         function always sign-extends the value.
12942
12943 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
12944             Richard Guenther  <rguenther@suse.de>
12945
12946         PR c/34668
12947         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
12948         (gimple_fold_indirect_ref_rhs): ... this.
12949         (gimple_fold_indirect_ref): New function with foldings
12950         that preserve lvalueness.
12951         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
12952         * tree-flow.h (gimple_fold_indirect_ref): Declare.
12953         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
12954         to fold an INDIRECT_REF, fall back to the old use of
12955         fold_indirect_ref_1.
12956
12957 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12958
12959         * tree-data-ref.c (subscript_dependence_tester_1): Call 
12960         free_conflict_function.
12961         (compute_self_dependence): Same.
12962
12963 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
12964
12965         PR debug/34249
12966         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
12967         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
12968         function global.
12969         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
12970         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
12971         for DWARF2_UNWIND_INFO targets.
12972
12973 2008-01-16  Richard Guenther  <rguenther@suse.de>
12974
12975         PR c/34768
12976         * c-typeck.c (common_pointer_type): Do not merge inconsistent
12977         type qualifiers for function types.
12978
12979 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
12980
12981         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
12982         loop_iterator li from previous commit.
12983
12984 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
12985
12986         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
12987
12988 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
12989
12990         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
12991         (parallelize_loops): Don't parallelize irreducible components.
12992
12993 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12994
12995         PR c++/24924
12996         * c-opts (c_common_post_options): Do not enable CPP
12997         flag_pedantic_errors by default.
12998         
12999 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
13000
13001         PR rtl-optimization/31944
13002         * cse.c (remove_pseudo_from_table): New function.
13003         (merge_equiv_classes): Use above function to remove pseudo-registers.
13004         (invalidate): Likewise.
13005
13006 2008-01-13  Richard Guenther  <rguenther@suse.de>
13007
13008         PR middle-end/34601
13009         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
13010         instead of TYPE_MODE to deal with calls from expand_one_error_var.
13011
13012 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
13013
13014         * gcse.c (cprop_jump): Call validate_unshare_change instead of
13015         validate_change to unshare the source of the PC set.
13016
13017 2008-01-12  Jan Hubicka  <jh@suse.cz>
13018
13019         PR middle-end/32135
13020         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
13021         references above array bounds.  This might trigger bounds checks for
13022         pointers to arrays.
13023
13024 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
13025
13026         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
13027         new_replaceable_dependencies.
13028
13029 2008-01-12  Doug Kwan  <dougkwan@google.com>
13030
13031         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
13032         instead of OPT_Wreturn_type in warning due to ignored return type
13033         qualifiers.
13034         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
13035         options included in -Wextra.
13036         * c.opt: New option -Wignored_qualifiers.
13037         * doc/invoke.texi (Warning Options, -Wextra): Add new option
13038         -Wignore_qualifiers.
13039         (-Wignored-qualifiers): Document.
13040         (-Wreturn-type): Remove description of functionality now handled
13041         by -Wignored-qualifiers.
13042
13043 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
13044
13045         PR ada/33788
13046         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
13047         NOP_EXPR if it is between integral types with the same precision.
13048
13049 2008-01-12  Jan Hubicka  <jh@suse.cz>
13050
13051         PR other/28023
13052         * invoke.texi (max-inline-recursive-depth): Fix default value.
13053
13054 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
13055
13056         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
13057         correct type.
13058
13059 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
13060         
13061         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
13062         
13063 2008-01-11  James E. Wilson  <wilson@specifix.com>
13064
13065         PR target/26015
13066         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
13067
13068 2008-01-11  Anatoly Sokolov <aesok@post.ru>
13069
13070         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
13071         save/restore frame pointer register and don't use 'call-prologues' 
13072         optimization in function with "OS_task" attribute.
13073
13074 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
13075
13076         PR middle-end/31309
13077         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
13078         when copying to memory.
13079
13080 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
13081
13082         PR rtl-optimization/30905
13083         * cfgcleanup.c: Include dce.h
13084         (crossjumps_occured): New global variable.
13085         (try_crossjump_bb): Exit loop after finding a fallthru edge.
13086         If something changed, set crossjumps_occured to true.
13087         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
13088         Don't add/remove fake edges to exit here...
13089         (cleanup_cfg): ...but do it here, when crossjumping.
13090         Run a fast DCE when successful crossjumps occured in the latest
13091         iteration of try_optimize_cfg.
13092
13093 2008-01-11  Richard Guenther  <rguenther@suse.de>
13094
13095         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
13096         (struct vn_unary_op_s): Likewise.
13097         (vn_reference_insert): Free old reference on hash collision.
13098
13099 2008-01-10  Raksit Ashok  <raksit@google.com>
13100
13101         PR rtl-optimization/27971
13102         * combine.c (find_split_point): Split PLUS expressions which are
13103         inside a MEM rtx, and whose first operand is complex.
13104
13105 2008-01-10  DJ Delorie  <dj@redhat.com>
13106
13107         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
13108         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
13109         (m32c_hard_regno_ok): Call the underlying function.
13110
13111 2008-01-10  Richard Guenther  <rguenther@suse.de>
13112
13113         PR middle-end/34683
13114         * tree-cfg.c (tree_merge_blocks): Do not go through the
13115         full-blown folding and stmt updating path if we just deal
13116         with virtual operands.
13117         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
13118         test for abnormal SSA_NAMEs.
13119
13120 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
13121
13122         PR middle-end/34641
13123         * reload.c (push_reload): Add assertions.  All constants from
13124         reg_equiv_constant should have been used for replacing the respective
13125         pseudo earlier.
13126         (find_reloads_address): Invoke find_reloads_address_part for
13127         constant taken from the reg_equiv_constant array.
13128
13129 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
13130
13131         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
13132         field (valnum) the first in the struct.  Replace bools with
13133         unit bit fields.
13134
13135 2008-01-10  Richard Guenther  <rguenther@suse.de>
13136
13137         PR tree-optimization/34651
13138         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
13139         types and ordering for masking and converting.
13140
13141 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
13142
13143         PR tree-optimization/34017
13144         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
13145         also for PHI_NODE expressions.
13146
13147 2008-01-09  Jan Hubicka  <jh@suse.cz>
13148
13149         PR tree-optimization/34708
13150         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
13151         based on number of case labels.
13152         (init_inline_once): Remove switch_cost.
13153         * tree-inline.h (eni_weights_d): Remove switch_cost.
13154
13155 2008-01-09  Richard Guenther  <rguenther@suse.de>
13156         Andrew Pinski  <andrew_pinski@playstation.sony.com>
13157
13158         PR middle-end/30132
13159         * gimplify.c (gimplify_cond_expr): Do not create an addressable
13160         temporary if an rvalue is ok or an lvalue is not required.
13161
13162 2008-01-09  Richard Guenther  <rguenther@suse.de>
13163
13164         PR middle-end/34458
13165         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
13166         adjust return type.
13167
13168 2008-01-09  Richard Guenther  <rguenther@suse.de>
13169
13170         PR middle-end/34679
13171         * tree.c (host_integerp): Check for sizetype only if the
13172         type is an integer type.
13173
13174 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
13175
13176         PR debug/26364
13177         * opts.c (decode_options): Disable inlining of functions called
13178         once if not in unit-at-a-time mode.
13179
13180 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
13181
13182         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
13183
13184 2008-01-08  Richard Guenther  <rguenther@suse.de>
13185
13186         PR middle-end/31863
13187         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
13188         out early if the result will be unused.
13189
13190 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
13191
13192         PR target/34709
13193         Revert:
13194
13195         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
13196         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
13197         for TARGET_RECIP.       
13198         
13199 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
13200         
13201         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
13202         for vectorization tuned.
13203         
13204 2008-01-08  Richard Guenther  <rguenther@suse.de>
13205
13206         PR tree-optimization/34683
13207         * tree-ssa-operands.c (operand_build_cmp): Export.
13208         * tree-ssa-operands.h (operand_build_cmp): Declare.
13209         * tree-vn.c (vuses_compare): Remove.
13210         (sort_vuses): Use operand_build_cmp.
13211         (sort_vuses_heap): Likewise.
13212         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
13213         to re-use old VEC if available.  Do not sort already sorted VUSEs.
13214         (vdefs_to_vec): Do not sort already sorted VDEFs.
13215
13216 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
13217
13218         PR middle-end/34694
13219         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
13220
13221 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
13222
13223         PR target/34702
13224         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
13225         limitations of reciprocal sequences on x86 targets.
13226
13227 2008-01-08  Richard Guenther  <rguenther@suse.de>
13228
13229         PR tree-optimization/34683
13230         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
13231
13232 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
13233
13234         PR target/34622
13235         * config/darwin.c (darwin_mergeable_string_section): Don't use
13236         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
13237
13238 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
13239
13240         PR target/34682
13241         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
13242         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
13243         predicates of op0 and op1 to register_operand.
13244         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
13245         expander using X87MODEF mode iterator.  Change predicates of
13246         op0 and op1 to register_operand.
13247         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
13248         corresponding patterns and macroize using MODEF macro.  Change
13249         predicates of op0 and op1 to register_operand and remove
13250         "m" constraint. Disparage "r" alternative with "!".
13251         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
13252         macroize using X87MODEF macro.  Change predicates of op0 and op1
13253         to register_operand and remove "m" constraint.  Disparage "r"
13254         alternative with "!".
13255         (absneg splitter with memory operands): Remove.
13256         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
13257         patterns and macroize using X87MODEF mode iterator.
13258         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
13259         Change predicate of op1 to register_operand.
13260         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
13261         for memory operands.
13262
13263 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
13264
13265         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
13266
13267 2008-01-07  Richard Guenther  <rguenther@suse.de>
13268
13269         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
13270         fields.
13271
13272 2008-01-07  Richard Guenther  <rguenther@suse.de>
13273
13274         PR tree-optimization/34683
13275         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
13276         VOPs of the needed size to save memory.  Use VEC_quick_push
13277         to save compile-time.
13278         (vdefs_to_vec): Likewise.
13279
13280 2008-01-07  Sa Liu  <saliu@de.ibm.com>
13281
13282         * config/spu/spu.md (divdf3): Genetate inline code for double
13283         division.  The implementation doesn't handle INF or NAN, therefore it
13284         only applies when -ffinite-math-only is given.
13285
13286 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
13287
13288         PR libstdc++/34680
13289         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
13290         * doc/cpp.texi ([Common Predefined Macros]): Document.
13291
13292 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
13293
13294         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
13295         order to use commutative addition instead of subtraction.
13296
13297 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13298             Mircea Namolaru  <namolaru@il.ibm.com>
13299             Vladimir Yanovsky  <yanov@il.ibm.com>
13300             Revital Eres  <eres@il.ibm.com>
13301
13302         PR tree-optimization/34263
13303         * tree-outof-ssa.c (process_single_block_loop_latch,
13304         contains_tree_r): New functions.
13305         (analyze_edges_for_bb): Call process_single_block_loop_latch
13306         function to empty single-basic-block latch block if possible.
13307
13308 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
13309
13310         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
13311         for TARGET_RECIP.
13312         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
13313
13314 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
13315
13316         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
13317
13318 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
13319
13320         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
13321
13322 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
13323
13324         PR tree-optimization/34618
13325         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
13326         flag from T.
13327
13328 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
13329
13330         PR target/34673
13331         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
13332         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
13333         Update copyright year.
13334
13335         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
13336         Update copyright year.
13337         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
13338         using NR fixup.
13339
13340 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
13341
13342         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
13343         edge does not point to current bb before changing need_assert.
13344
13345 2008-01-04  Richard Guenther  <rguenther@suse.de>
13346
13347         PR middle-end/34029
13348         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
13349         for verifying purposes if they are is_gimple_min_invariant.
13350
13351 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
13352
13353         PR tree-optimization/34448
13354         PR tree-optimization/34465
13355         * gimplify.c (gimplify_init_constructor): Add new parameter
13356         notify_temp_creation.  Use it.
13357         (gimplify_modify_expr_rhs): Take volatiles into account when
13358         optimizing constructors.
13359         Do not optimize constructors if gimplify_init_constructor will dump to
13360         memory.
13361         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
13362         * gcc.c-torture/compile/pr34448.c: New.
13363
13364 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
13365
13366         PR gcov-profile/34609
13367         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
13368         return_slot if result is TREE_ADDRESSABLE.
13369
13370 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
13371
13372         * config/mips/mips.md (sqrt_condition): Tweak comment.
13373         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
13374
13375 2008-01-03  Tom Tromey  <tromey@redhat.com>
13376
13377         PR c/34457
13378         * c-common.c (c_type_hash): Handle VLAs.
13379
13380 2008-01-03  Jan Hubicka  <jh@suse.cz>
13381
13382         PR tree-optimization/31081
13383         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
13384         0 when inlining and not inlining to first basic block.
13385         (remap_decl): When var is initialized to 0, don't set default_def.
13386         (expand_call_inline): Set entry_bb.
13387         * tree-inline.h (copy_body_data): Add entry_bb.
13388
13389 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
13390
13391         PR c++/34619
13392         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
13393         before returning.
13394
13395         PR tree-optimization/29484
13396         * tree-inline.c (inline_forbidden_p_2): New function.
13397         (inline_forbidden_p): Disallow inlining if some static var
13398         has an address of a local LABEL_DECL in its initializer.
13399         * doc/extend.texi (Labels as Values): Document &&foo behaviour
13400         vs. inlining.
13401
13402 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
13403
13404         PR tree-optimization/34635
13405         * tree-data-ref.c (add_other_self_distances): Make sure that the
13406         evolution step is constant.
13407
13408 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
13409
13410         PR middle-end/34608
13411         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
13412
13413 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
13414
13415         * tree-sra.c (scalarize_init): Insert the generate_element_init
13416         statements after the generate_element_zero statements.
13417
13418 2008-01-02  Richard Guenther  <rguenther@suse.de>
13419
13420         PR middle-end/34093
13421         PR middle-end/31976
13422         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
13423         for very large number of operands instead of ICEing.
13424
13425 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
13426
13427         PR target/34013
13428         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
13429         while stack probing.
13430
13431 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
13432
13433         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
13434         in C++0x mode.
13435
13436 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
13437
13438         PR libmudflap/26442
13439         * tree-mudflap.c (mx_register_decls): Guard warning by
13440         !DECL_ARTIFICIAL check.
13441
13442 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
13443
13444         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
13445         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
13446         sse5_perm<mode>): Fix constraints.