libfuncs.h (LTI_synchronize): New libfunc_index.
[official-gcc.git] / gcc / ChangeLog
blob3f2a1bd83731e73ed82925801db2d76cf3cee911
1 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
3         * libfuncs.h (LTI_synchronize): New libfunc_index.
4         (synchronize_libfunc): Declare.
5         * builtins.c (expand_builtin_synchronize): Consider using
6         synchronize_libfunc before falling back on an asm blockage.
7         * config/mips/mips.c: Include libfuncs.h
8         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
10 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
12         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
13         parameter.  Copy stack_reg to r11 where appropriate.
14         (no_global_regs_above): Add gpr parameter.
15         (rs6000_stack_info): Only add padding for SPE save area if we
16         are saving SPE GPRs and CR.
17         (saveres_routine_syms): New variable.
18         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
19         Define.
20         (rs6000_savres_routine_sym): New function.
21         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
22         split out of...
23         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
24         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
25         Tweak FPR out-of-line saving.
26         (rs6000_make_savres_rtx): New function.
27         (rs6000_use_multiple_p): New function.
28         (rs6000_savres_strategy): New function.
29         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
30         out-of-line if appropriate.
31         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
32         if we are optimizing for size.
33         (GP_SAVE_INLINE): Define.
34         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
35         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
36         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
37         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
38         (*save_fpregs_<mode>): Add use of r11.
39         (*restore_gpregs_<mode>): New insn.
40         (*return_and_restore_gpregs_<mode>): New insn.
41         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
42         use r11.
43         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
44         (*restore_gpregs_spe): New insn.
45         (*return_and_restore_gpregs_spe): New insn.
46         * config/rs6000/predicates.md (save_world_operation): Fix check.
48 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
50         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
51         this point, so assert that.
53 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
55         * cfganal.c: Include vec.h and vecprim.h.
56         (compute_idf): Import from...
57         * tree-into-ssa (compute_idf): ...here.
58         * basic-block.h (compute_idf): Export.
60 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
62         * c-decl.c (merge_decls): Use !current_function_decl to check for
63         extern declaration of C99 inline function being at file scope.
65 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
67         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
69 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
71         * alias.c (record_alias_subset, init_alias_analysis): Fix
72         -Wc++-compat and/or -Wcast-qual warnings.
73         * attribs.c (lookup_attribute_spec): Likewise.
74         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
75         copy_bb, connect_traces,
76         find_rarely_executed_basic_blocks_and_cr): Likewise.
77         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
78         note_btr_set, migrate_btr_defs): Likewise.
79         * builtins.c (result_vector, expand_builtin_memcpy,
80         expand_builtin_mempcpy_args, expand_builtin_strncpy,
81         builtin_memset_read_str, expand_builtin_printf,
82         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
83         Likewise.
84         * caller-save.c (mark_set_regs): Likewise.
85         * calls.c (expand_call, emit_library_call_value_1): Likewise.
86         * cgraph.c (cgraph_edge): Likewise.
87         * combine.c (likely_spilled_retval_1): Likewise.
88         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
89         htab_counts_entry_del, get_coverage_counts): Likewise.
90         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
91         new_cselib_val): Likewise.
92         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
93         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
94         Likewise.
95         * df-core.c (df_compact_blocks): Likewise.
96         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
97         * df-scan.c (df_grow_reg_info, df_ref_create,
98         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
99         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
100         df_record_entry_block_defs, df_record_exit_block_uses,
101         df_bb_verify): Likewise.
102         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
103         DF_REF_EXTRACT_MODE_CONST): New.
104         * dominance.c (get_immediate_dominator, get_dominated_by,
105         nearest_common_dominator, root_of_dom_tree,
106         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
107         -Wc++-compat and/or -Wcast-qual warnings.
108         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
109         record_store, replace_read, check_mem_read_rtx, scan_insn,
110         dse_step1, dse_record_singleton_alias_set): Likewise.
111         * dwarf2asm.c (dw2_force_const_mem): Likewise.
113 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
115         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
116         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
117         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
118         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
119         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
120         add_ranges_num, add_ranges_by_labels, file_info_cmp,
121         file_name_acquire, output_file_names, add_const_value_attribute,
122         premark_used_types_helper, file_table_eq, file_table_hash,
123         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
124         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
125         -Wcast-qual warnings.
126         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
127         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
128         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
129         gen_reg_rtx, start_sequence, init_emit): Likewise.
130         * et-forest.c (et_new_occ, et_new_tree): Likewise.
131         * except.c (init_eh_for_function, gen_eh_region,
132         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
133         arh_to_landing_pad, arh_to_label, add_action_record,
134         add_call_site, switch_to_exception_section): Likewise.
135         * expmed.c (synth_mult): Likewise.
136         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
137         store_expr): Likewise.
138         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
139         Likewise.
140         * function.c (assign_stack_temp_for_type,
141         allocate_struct_function, match_asm_constraints_1): Likewise.
142         * gcov-io.c (gcov_allocate): Likewise.
143         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
144         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
145         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
146         record_one_set, insert_expr_in_table, insert_set_in_table,
147         dump_hash_table, compute_hash_table_work, alloc_hash_table,
148         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
149         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
150         -Wcast-qual warnings.
152 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
154         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
155         -Wcast-qual warnings.
156         * gcc.c (process_command): Likewise.
157         * genattrtab.c (oballoc): Use XOBNEW.
158         (oballocvec): Define.
159         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
160         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
161         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
162         -Wc++-compat and/or -Wcast-qual warnings.
163         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
164         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
165         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
166         gen_presence_absence_set, gen_automaton, gen_regexp_el,
167         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
168         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
169         add_excls, process_presence_absence_names,
170         process_presence_absence_patterns, add_presence_absence,
171         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
172         get_free_state, add_arc, get_free_automata_list_el,
173         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
174         transform_3, cache_presence, create_ainsns, create_automata,
175         create_state_ainsn_table, dfa_insn_code_enlarge,
176         output_trans_func, output_min_issue_delay_func,
177         output_dead_lock_func, output_reset_func,
178         output_get_cpu_unit_code_func, output_dfa_start_func,
179         expand_automata): Likewise.
180         * genextract.c (gen_insn): Likewise.
181         * gengtype-lex.l: Likewise.
182         * gengtype.c (read_input_list, adjust_field_type,
183         process_gc_options): Likewise.
184         * genoutput.c (note_constraint): Likewise.
185         * genpreds.c (mangle, add_constraint): Likewise.
186         * genrecog.c (process_define_predicate, new_decision,
187         add_to_sequence): Likewise.
188         * gensupport.c (record_insn_name): Likewise.
190 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
192         * config/i386/driver-i386.c (detect_caches_amd,
193         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
194         and/or -Wcast-qual warnings.
195         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
196         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
197         gt_pch_save): Likewise.
198         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
199         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
200         * global.c (compute_regsets): Likewise.
201         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
202         finish_graph_dump_file): Likewise.
203         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
204         unlink_bb_notes): Likewise.
205         * integrate.c (get_hard_reg_initial_val): Likewise.
206         * ipa-prop.c (ipa_push_func_to_list): Likewise.
207         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
208         * local-alloc.c (update_equiv_regs): Likewise.
209         * loop-invariant.c (check_invariant_table_size,
210         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
211         Likewise.
212         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
213         altered_reg_used, mark_altered): Likewise.
214         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
215         insert_var_expansion_initialization,
216         combine_var_copies_in_loop_exit, apply_opt_in_copies,
217         release_var_copies): Likewise.
218         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
219         analyze_matrix_decl, add_allocation_site, analyze_transpose,
220         analyze_accesses_for_phi_node, check_var_notmodified_p,
221         check_allocation_function, find_sites_in_func,
222         record_all_accesses_in_func, transform_access_sites,
223         transform_allocation_sites): Likewise.
224         * omp-low.c (new_omp_region, create_omp_child_function_name,
225         check_omp_nesting_restrictions, check_combined_parallel,
226         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
227         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
228         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
229         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
230         Likewise.
231         * opts-common.c (prune_options): Likewise.
232         * opts.c (add_input_filename, print_filtered_help,
233         get_option_state): Likewise.
234         * params.c (add_params): Likewise.
235         * passes.c (set_pass_for_id, next_pass_1,
236         do_per_function_toporder, pass_fini_dump_file): Likewise.
237         * postreload.c (reload_cse_simplify_operands): Likewise.
238         * predict.c (tree_predicted_by_p, tree_predict_edge,
239         clear_bb_predictions, combine_predictions_for_bb): Likewise.
241 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
243         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
244         warnings.
245         * recog.c (check_asm_operands, validate_change_1): Likewise.
246         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
247         subst_asm_stack_regs): Likewise.
248         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
249         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
250         * regmove.c (reg_is_remote_constant_p): Likewise.
251         * regrename.c (regrename_optimize, scan_rtx_reg,
252         kill_clobbered_value, kill_set_value, kill_autoinc_value):
253         Likewise.
254         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
255         regstat_compute_calls_crossed): Likewise.
256         * reload1.c (init_reload, new_insn_chain,
257         has_nonexceptional_receiver, reload, copy_reloads,
258         calculate_needs_all_insns, init_elim_table): Likewise.
259         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
260         * rtl.c (shallow_copy_rtx_stat): Likewise.
261         * rtlanal.c (parms_set): Likewise.
262         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
263         sbitmap_resize, sbitmap_vector_alloc): Likewise.
264         * sched-ebb.c (earliest_block_with_similiar_load,
265         add_deps_for_risky_insns): Likewise.
266         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
267         schedule_region): Likewise.
268         * see.c (eq_descriptor_pre_extension,
269         hash_descriptor_pre_extension, hash_del_pre_extension,
270         eq_descriptor_properties, hash_descriptor_properties,
271         hash_del_properties, see_seek_pre_extension_expr,
272         see_initialize_data_structures, see_print_register_properties,
273         see_print_pre_extension_expr, see_delete_merged_def_extension,
274         see_delete_unmerged_def_extension, see_emit_use_extension,
275         see_pre_delete_extension, see_map_extension, see_commit_changes,
276         see_analyze_merged_def_local_prop,
277         see_analyze_merged_def_local_prop,
278         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
279         see_set_prop_merged_def, see_set_prop_unmerged_def,
280         see_set_prop_unmerged_use, see_print_one_extension,
281         see_merge_one_use_extension, see_merge_one_def_extension,
282         see_store_reference_and_extension, see_update_uses_relevancy,
283         see_update_defs_relevancy): Likewise.
284         * statistics.c (hash_statistics_hash, hash_statistics_eq,
285         hash_statistics_free, curr_statistics_hash): Likewise.
286         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
287         expand_asm_operands, expand_return, case_bit_test_cmp,
288         expand_case): Likewise.
289         * stor-layout.c (start_record_layout): Likewise.
290         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
291         gt_pch_save_stringpool): Likewise.
292         * tree-data-ref.c (hash_stmt_vertex_info,
293         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
294         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
296 2008-06-25 Uros Bizjak  <ubizjak@gmail.com>
298         PR target/36627
299         * config/i386/i386.md : Change constraints of HImode and QImode
300         immediate operands from "i" to "n".  Change SImode "ni" constraint to
301         "i" and SImode "rmi" constraint to "g".  Remove all constraints
302         from const0_operand and const1_operand predicated operands.
303         (i): Change QImode and HImode attribute from "i" to "n".
304         (*subqi_2): Change HImode operands to QImode.
305         (*subqi_3): Ditto.
307 2008-06-25  Olivier Hainque  <hainque@adacore.com>
309         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
310         sed substitutions.
312 2008-06-25  Richard Guenther  <rguenther@suse.de>
314         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
315         not overflow the result type.
317 2008-06-25  Richard Guenther  <rguenther@suse.de>
319         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
320         (vn_lookup): Likewise.
322 2008-06-25  Richard Guenther  <rguenther@suse.de>
324         PR tree-optimization/35518
325         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
326         * tree-sra.c (instantiate_element): Use fold_build3 to build
327         BIT_FIELD_REFs.
328         (try_instantiate_multiple_fields): Likewise.
330 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
332         * config/rs6000/rs6000.md: Change all string instruction's clobber to
333         be early clobbers.
335 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
337         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
338         use_backchain_to_restore_sp to true
339         if the offset of the link register save area would go over the 32k - 1
340         offset limit of the load
341         instructions.
343 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
345         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
346         anchor for the type-punning blurb.  Cross-reference "Structures
347         unions enumerations and bit-fields implementation".  Provide a
348         cast-through-pointer example.  Make final sentence self-contained.
349         * doc/implement-c.texi (Structures unions enumerations and
350         bit-fields implementation): Cross-reference the type-punning blurb
351         in the -fstrict-aliasing documentation.
353 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
355         PR middle-end/36594
356         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
357         the memory instead of the memory itself for the save area.
359 2008-06-24  Olivier Hainque  <hainque@adacore.com>
360             Nicolas Roche  <roche@adacore.com>
362         * gengtype.c (srcdir_len): size_t instead of int.
363         (get_file_realbasename): New function.  For F a filename, the real
364         basename of F, with all the path components stripped.
365         (get_file_srcdir_relative_path): New function.  For F a filename, the
366         relative path to F from $(srcdir).
367         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
368         get_file_realbasename.  Adjust the head comment.
369         (get_prefix_langdir_index): New function. For F a filename, return the
370         lang_dir_names[] relative index of the language directory that is
371         a prefix in F.
372         (get_file_langdir): For F a filename, return the name of the language
373         directory where F is located.
374         (get_file_gtfilename): New function. The gt- output file name for an
375         input filename F.
376         (get_output_file_with_visibility): Replace in-line computations with
377         uses of get_file_gtfilename and get_prefix_langdir_index.
378         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
380 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
382         PR tree-optimization/36504
383         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
384         references without base address.
386 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
388         PR middle-end/36584
389         * calls.c (expand_call): Increase alignment for recursive functions.
391 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
393         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
394         (TARGET_FUNCTION_VALUE): New define.
395         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
396         * config/avr/avr.h (FUNCTION_VALUE): Remove.
398 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
400         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
401         (fmod<mode>3): Ditto.
402         (remainderxf3): Ditto.
403         (remainder<mode>3): Ditto.
405 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
407         PR target/36533
408         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
409         REG is a hard register.
411         PR tree-optimization/36508
412         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
413         499, don't check it at all in release compilers.
415 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
417         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
418         together with SSE_TARGET_MATH to disable insn pattern.
419         (*fop_<MODEF:mode>_2_i387): Ditto.
420         (*fop_<MODEF:mode>_3_i387): Ditto.
422 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
424         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
425         
426 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
428         PR middle-end/34906
429         * gimplify.c (gimplify_asm_expr): Check the return code of
430         parse_output_constraint call, set function return and is_inout
431         value if it failed.
433 2008-06-22  Ian Lance Taylor  <iant@google.com>
435         * c-lex.c (narrowest_unsigned_type): Change itk to int.
436         (narrowest_signed_type): Likewise.
437         * c-typeck.c (c_common_type): Change local variable mclass to enum
438         mode_class, twice.
439         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
440         tcc_comparison, not the tree code itself.
441         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
442         (c_expand_expr): Cast modifier to enum expand_modifier.
443         * c-common.h (C_RID_CODE): Add casts.
444         (C_SET_RID_CODE): Define.
445         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
446         (c_lex_one_token): Add cast to avoid warning.
447         (c_parser_objc_type_name): Rename local typename to type_name.
448         (check_no_duplicate_clause): Change code parameter to enum
449         omp_clause_code.
450         (c_parser_omp_var_list_parens): Change kind parameter to enum
451         omp_clause_code.
452         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
453         c_parser_omp_list_var_parens.
454         (c_parser_omp_threadprivate): Likewise.
455         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
456         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
457         * c-format.c (NO_FMT): Define.
458         (printf_length_specs): Use NO_FMT.
459         (asm_fprintf_length_specs): Likewise.
460         (gcc_diag_length_specs): Likewise.
461         (scanf_length_specs): Likewise.
462         (strfmon_length_specs): Likewise.
463         (gcc_gfc_length_specs): Likewise.
464         (printf_flag_specs): Change 0 to STD_C89.
465         (asm_fprintf_flag_specs): Likewise.
466         (gcc_diag_flag_specs): Likewise.
467         (gcc_cxxdiag_flag_specs): Likewise.
468         (scanf_flag_specs): Likewise.
469         (strftime_flag_specs): Likewise.
470         (strfmon_flag_specs): Likewise.
471         (print_char_table): Likewise.
472         (asm_fprintf_char_table): Likewise.
473         (gcc_diag_char_table): Likewise.
474         (gcc_tdiag_char_table): Likewise.
475         (gcc_cdiag_char_table): Likewise.
476         (gcc_cxxdiag_char_table): Likewise.
477         (gcc_gfc_char_table): Likewise.
478         (scan_char_table): Likewise.
479         (time_char_table): Likewis.
480         (monetary_char_table): Likewise.
481         * c-format.h (BADLEN): Likewise.
483 2008-06-21  Ian Lance Taylor  <iant@google.com>
485         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
486         Define END_OF_BASE_TREE_CODES around inclusion.
487         * tree.c (tree_code_type): New global array.
488         (tree_code_length, tree_code_name): Likewise.
489         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
490         $(lang_tree_files).
491         (all-tree.def, s-alltree): New targets.
492         (gencheck.h, s-gencheck): Remove.
493         (tree.o): Depend upon all-tree.def.
494         (build/gencheck.o): Remove gencheck.h dependency.
495         (mostlyclean): Don't remove gencheck.h.
496         * c-common.h (enum c_tree_code): Remove.
497         * c-lang.c (tree_code_type): Remove.
498         (tree_code_length, tree_code_name): Remove.
499         * gencheck.c (tree_codes): Include all-tree.def, rather than
500         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
501         after it is used.
502         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
503         than tree.def.
504         * cp/cp-tree.h (enum cplus_tree_code): Remove.
505         (operator_name_info): Size to MAX_TREE_CODES.
506         (assignment_operator_name_info): Likewise.
507         * cp/cp-lang.c (tree_code_type): Remove.
508         (tree_code_length, tree_code_name): Remove.
509         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
510         (assignment_operator_name_info): Likewise.
511         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
512         MAX_TREE_CODES.
513         * cp/mangle.c (write_expression): Likewise.
514         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
515         * fortran/f95-lang.c (tree_code_type): Remove.
516         (tree_code_length, tree_code_name): Remove.
517         * java/java-tree.h (enum java_tree_code): Remove.
518         * java/lang.c (tree_code_type): Remove.
519         (tree_code_length, tree_code_name): Remove.
520         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
521         * objc/objc-act.h (enum objc_tree_code): Remove.
522         * objc/objc-lang.c (tree_code_type): Remove.
523         (tree_code_length, tree_code_name): Remove.
524         * objcp/objcp-lang.c (tree_code_type): Remove.
525         (tree_code_length, tree_code_name): Remove.
526         * ada/ada-tree.h (enum gnat_tree_code): Remove.
527         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
528         * ada/misc.c (tree_code_type): Remove.
529         (tree_code_length, tree_code_name): Remove.
531 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
533         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
534         the grand_bitmap_obstack.
536 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
538         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
539         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
540         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
541         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
542         move_stmt_r, new_label_mapper): Likewise.
543         * tree-complex.c (cvc_lookup): Likewise.
544         * tree-dfa.c (create_function_ann): Likewise.
545         * tree-dump.c (dump_register): Likewise.
546         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
547         find_phi_replacement_condition): Likewise.
548         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
549         tree_function_versioning): Likewise.
550         * tree-into-ssa.c (cmp_dfsnum): Likewise.
551         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
552         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
553         get_nonlocal_debug_decl, convert_nonlocal_reference,
554         convert_nonlocal_omp_clauses, get_local_debug_decl,
555         convert_local_reference, convert_local_omp_clauses,
556         convert_nl_goto_reference, convert_nl_goto_receiver,
557         convert_tramp_reference, convert_call_expr): Likewise.
558         * tree-outof-ssa.c (contains_tree_r): Likewise.
559         * tree-parloops.c (reduction_phi, initialize_reductions,
560         eliminate_local_variables_1, add_field_for_reduction,
561         add_field_for_name, create_phi_for_local_result,
562         create_call_for_reduction_1, create_loads_for_reductions,
563         create_stores_for_reduction, create_loads_and_stores_for_name):
564         Likewise.
565         * tree-phinodes.c (allocate_phi_node): Likewise.
566         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
567         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
568         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
569         * tree-ssa-coalesce.c (compare_pairs): Likewise.
570         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
571         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
572         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
573         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise. 
574         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
575         vn_nary_op_insert): Likewise.
576         * tree-ssa.c (redirect_edge_var_map_add,
577         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
578         * tree-vectorizer.c (vectorize_loops): Likewise.
579         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
580         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
581         tree_cons_stat, build1_stat, build_variant_type_copy,
582         decl_init_priority_lookup, decl_fini_priority_lookup,
583         decl_priority_info, decl_restrict_base_lookup,
584         decl_restrict_base_insert, decl_debug_expr_lookup,
585         decl_debug_expr_insert, decl_value_expr_lookup,
586         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
587         type_hash_add, get_file_function_name, tree_check_failed,
588         tree_not_check_failed, tree_range_check_failed,
589         omp_clause_range_check_failed, build_omp_clause,
590         build_vl_exp_stat): Likewise.
591         * value-prof.c (gimple_histogram_value,
592         gimple_duplicate_stmt_histograms): Likewise.
593         * var-tracking.c (attrs_list_insert, attrs_list_copy,
594         unshare_variable, variable_union_info_cmp_pos, variable_union,
595         dataflow_set_different_1, dataflow_set_different_2,
596         vt_find_locations, variable_was_changed, set_variable_part,
597         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
598         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
599         section_entry_hash, object_block_entry_eq,
600         object_block_entry_hash, create_block_symbol,
601         initialize_cold_section_name, default_function_rodata_section,
602         strip_reg_name, set_user_assembler_name, const_desc_eq,
603         build_constant_desc, output_constant_def, lookup_constant_def,
604         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
605         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
606         default_internal_label): Likewise.
607         * varray.c (varray_init, varray_grow): Likewise.
608         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
610 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
612         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
613         operators for "test" insn.  Macroize insn using SWI mode macro.
614         (*jcc_fused_2): Ditto.
615         (*jcc_fused_3): Macroize insn using SWI mode macro.
616         (*jcc_fused_4): Ditto.
618 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
620         * tree-ssa-pre.c: Fix typo in comment.
621         (init_antic, fini_antic): Add explicit funtions for
622         initializing and deinitializing ANTIC and AVAIL sets.
623         (create_expression_by_pieces): Fix typo in comment.
624         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
625         (execute_pre): Eventually dump details about ANTIC_IN.
627 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
629         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
630         * gcc.c (translate_options, init_spec, store_arg, read_specs,
631         add_to_obstack, file_at_path, find_a_file, execute,
632         add_preprocessor_option, add_assembler_option, add_linker_option,
633         process_command, insert_wrapper, do_option_spec, do_self_spec,
634         spec_path, do_spec_1, is_directory, main, used_arg,
635         getenv_spec_function): Likewise.
636         * tlink.c (symbol_hash_lookup, file_hash_lookup,
637         demangled_hash_lookup, symbol_push, file_push, frob_extension):
638         Likewise.
640 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
642         * doc/rtl.texi: Updated subreg section.
644 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
646         PR c++/36523
647         * cgraphunit.c (cgraph_process_new_functions): Don't clear
648         node->needed and node->reachable.
649         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
650         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
651         (expand_task_call): Don't call expand_task_copyfn.
652         (expand_task_copyfn): Renamed to...
653         (finalize_task_copyfn): ... this.
655 2008-06-19  Jan Hubicka  <jh@suse.cz>
657         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
658         clobbering framepointer.
660 2008-06-19  Jan Hubicka  <jh@suse.cz>
662         * tree-optimize.c (execute_early_local_optimizations): Set
663         cgraph_state only at first invocation.
665 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
667         * system.h (-Wc++-compat): Activate as a warning, no an error.
669 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
671         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
672         instead of "#" in insn asm template.
673         (*jcc_fused_2): Ditto.
675 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
677         * config/i386/i386.h (ix86_tune_indices)
678         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
679         (TARGET_FUSE_CMP_AND_BRANCH): New define.
680         * config/i386/i386.md (*jcc_fused_1): New insn pattern
681         (*jcc_fused_2): Ditto.
682         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
683         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
684         (print operand): Handle 'E' and 'e' code.
686 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
688         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
689         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
690         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
692 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
694         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
695         node->decl.
696         (cgraph_expand_function): Use local copy of decl.
697         (cgraph_expand_all_functions): Remove redundant initialization of
698         order_pos.
699         (cgraph_optimize): Reword internal_error message.
701 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
703         * arm-protos.h (arm_return_in_memory): Remove public
704         arm_return_in_memory() prototype.
705         * arm.c (arm_return_in_memory): Add static prototype, add target
706         hook macro, change definition and comments.
707         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
709 2008-06-19  Ben Elliston  <bje@au.ibm.com>
711         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
712         real.c: Remove references to IEEE 754R.
713         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
714         * doc/libgcc.texi (Decimal float library routines): Likewise.
716 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
718         * targhooks.h (struct gcc_target): New member unwind_word_mode.
719         (default_unwind_word_mode): Add prototype.
720         * targhooks.c (default_unwind_word_mode): New function.
721         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
722         instead of word_mode.
723         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
724         (TARGET_INITIALIZER): Use it.
726         * c-common.c (handle_mode_attribute): Support "unwind_word"
727         mode attribute.
728         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
730         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
731         word_mode to access SjLj_Function_Context member "data".
732         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
733         conversion from targetm.eh_return_filter_mode () to
734         targetm.unwind_word_mode () if they differ.
736         * builtin-types.def (BT_UNWINDWORD): New primitive type.
737         (BT_FN_UNWINDWORD_PTR): New function type.
738         (BT_FN_WORD_PTR): Remove.
739         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
740         * except.c (expand_builtin_extend_pointer): Convert pointer to
741         targetm.unwind_word_mode () instead of word_mode.
743         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
744         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
745         (spu_unwind_word_mode): New function.
746         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
747         (TARGET_UNWIND_WORD_MODE): Define.
748         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
750 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
752         * config/spu/spu.c (reg_align): Remove.
753         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
754         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
755         (spu_split_store): Likewise.
757 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
759         * gcc/tree-vn.c: Fix typo in comment.
761 2008-06-18  Jan Hubicka  <jh@suse.cz>
763         * cgraphunit.c (cgraph_optimize): Output debug info when doing
764         toplevel reorder too.
766 2008-06-18  Jan Hubicka  <jh@suse.cz>
768         * c-opts.c (c_common_post_options): PCH is not compatible with
769         no-unit-at-a-time.
770         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
771         -fno-toplevel-reorder by default now.
773 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
775         PR documentation/30739
776         * doc/install.texi (Prerequisites): Document dependency on awk.
778 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
779             Ian Lance Taylor  <iant@google.com>
781         PR rtl-optimization/35604
782         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
783         only want to change jump destinations, not eventual label comparisons.
785 2008-06-16  Jan Hubicka  <jh@suse.cz>
787         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
788         syntax errors.
789         (cgraph_analyze_function): Likewise.
791 2008-06-16  Jan Hubicka  <jh@suse.cz>
793         * cgraph.h (cgraph_mark_if_needed): New function.
794         * cgraphunit.c (cgraph_mark_if_needed): New function.
795         * c-decl.c (duplicate_decl): Use it.
797 2008-06-16  Jan Hubicka  <jh@suse.cz>
799         * cgraph.c (cgraph_add_new_function): When in expansion state, do
800         lowering.
802 2008-06-16  Jan Hubicka  <jh@suse.cz>
804         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
806 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
807             Kazu Hirata  <kazu@codesourcery.com>
808             Maxim Kuvyrkov  <maxim@codesourcery.com
810         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
811         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
812         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
813         EXTRA_SPEC_FUNCTIONS.
814         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
815         (DRIVER_SELF_SPECS): Adjust.
816         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
817         * config/mips/st.h, config/mips/t-st: New.
818         * config/mips/driver-native.c, config/mips/x-native: New.
819         * doc/invoke.texi (MIPS): Document 'native' value for -march and
820         -mtune options.
822 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
824         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
825         from it.
826         (ISA_HAS_FP_CONDMOVE): New macro.
827         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
828         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
829         (ISA_HAS_NMADD3_NMSUB3): New macro.
830         * config/mips/mips.c (mips_rtx_costs): Update.
831         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
832         compiling for ST Loongson 2E/2F.
833         (madd<mode>): Rename to madd4<mode>.  Update.
834         (madd3<mode>): New pattern.
835         (msub<mode>): Rename to msub4<mode>.  Update.
836         (msub3<mode>): New pattern.
837         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
838         (nmadd3<mode>): New pattern.
839         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
840         (nmadd3<mode>_fastmath): New pattern.
841         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
842         (nmsub3<mode>): New pattern.
843         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
844         (nmsub3<mode>_fastmath): New pattern.
845         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
847 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
849         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
850         (DF_REF_INSN_INFO): New.
851         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
852         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
853         with a NULL DF_REF_INSN_INFO.
854         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
855         DF_INSN_SET.
856         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
857         DF_INSN_INFO_EQ_USES): New.
858         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
859         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
860         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
861         * df-core.c: Update comment for above changes.
862         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
863         DF_INSN_UID_* macros.
864         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
865         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
866         insn rtx.  Update all callers.
867         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
868         df_ref_create_structure, df_insn_refs_collect): Likewise.
869         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
870         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
871         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
872         macros to access the insn refs.
873         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
874         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
875         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
876         for accessing the refs.
877         (try_fwprop_subst): Likewise.
878         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
879         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
880         for accessing the refs.
881         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
882         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
883         to look at the insn refs.
884         (record_uses): Likewise.
885         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
886         function anymore.
887         (mark_artificial_uses): Don't mark_insn for artificial refs.
888         (mark_reg_rependencies): Likewise.
890         * doc/rtl.texi: Remove documentation of ADDRESSOF.
892 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
894         * configure: Regenerate.
896 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
898         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
899         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
900         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
902 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
904         * config/avr/avr.c (avr_mcu_t): Add attiny167.
905         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
906         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
908 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
910         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
911         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
912         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
914 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
916         * tree-ssa-sccvn.c: Fix format of comments.
918 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
920         * cgraph.c: Remove unneeded forward declarations of eq_node()
921         and hash_node().
923 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
925         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
926         REG_RETVAL notes.
927         (see_update_relevancy): Likewise.
928         * fwprop.c (try_fwprop_subst): Likewise.
929         * rtlanal.c (noop_move_p): Likewise.
930         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
931         notes to non-existing libcall blocks.
932         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
933         Remove orig_set.
934         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
935         (dead_libcall_p): Remove.
936         (delete_trivially_dead_insns): Don't use it.
937         * web.c (union_defs): Remove comment about keeping nops.
938         * gcse.c (hash_scan_insn): Don't take libcall pointers.
939         (compute_hash_table_work): Don't track libcall notes.
940         (do_local_cprop): Don't take libcall pointers.  Don't update
941         libcall notes.
942         (adjust_libcall_notes): Deleted.
943         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
944         ever have existed in the first place).
945         (replace_store_insn): Don't try to remove libcall notes.
946         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
947         (resolve_reg_notes): Don't call them.
948         (resolve_simple_move): Likewise.
949         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
950         Don't remove REG_RETVAL notes.
951         * emit-rtl.c (try_split): Don't update libcall notes.
952         (emit_copy_of_insn_after): Dito.
953         * cselib.c (cselib_current_insn_in_libcall): Remove.
954         (cselib_process_insn): Don't set/clear it.
955         (new_elt_loc_list): Don't record it.
956         (cselib_init): Don't initialize it.
957         * cselib.c (struct elt_loc_list): Remove in_libcall field.
958         * loop-invariant.c (find_invariant_insn): Don't look for libcall
959         notes.
960         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
961         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
962         (init_deps): Don't initialize it.
963         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
964         * combine.c (delete_noop_moves): Don't update libcall notes.
965         (can_combine_p): Remove now pointless #if 0 block.
966         (try_combine): Remove another obsolete #if 0 block.
967         (distribute_notes): Don't distribute libcall notes.
968         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
969         * dce.c (libcall_dead_p): Remove.
970         (delete_unmarked_insns): Don't handle libcall blocks.
971         (preserve_libcall_for_dce): Remove.
972         (prescan_insns_for_dce): Don't special-case libcall block insns.
973         * reload1 (reload): Don't handle libcall notes. 
974         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
975         documentation.
977 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
979         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
980         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
981         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
983 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
985         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
986         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
987         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
989 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
991         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
993 2008-06-16  Ira Rosen  <irar@il.ibm.com>
995         PR tree-optimization/36493
996         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
997         the arguments list. Use VECTYPE to create vector pointer.
998         (vectorizable_store): Fail if accesses through a pointer to vectype
999         do not alias the original memory reference operands.
1000         Call vect_create_data_ref_ptr without the removed argument.
1001         (vectorizable_load): Likewise.
1002         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
1003         removed argument.
1005 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
1007         PR target/36336
1008         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for 
1009         reg_equiv_constant.
1011 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
1013         * config/mips/loongson2ef.md: New file.
1014         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
1015         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
1016         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
1017         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
1018         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
1019         and loongson_2f.
1020         (loongson2ef.md): New include.
1021         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
1022         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
1023         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
1024         (loongson_gt_<mode>, loongson_extract_halfword)
1025         (loongson_insert_halfword_0, loongson_insert_halfword_2)
1026         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
1027         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
1028         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
1029         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
1030         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
1031         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
1032         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
1033         (vec_interleave_low<mode>): Define type attribute.
1034         * config/mips/mips.c (mips_ls2): New static variable.
1035         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
1036         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
1037         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
1038         Implement target scheduling hooks.
1039         (mips_multipass_dfa_lookahead): Update to handle tuning for
1040         Loongson 2E/2F.
1041         (mips_sched_init): Initialize data for Loongson scheduling.
1042         (mips_ls2_variable_issue): New static function.
1043         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
1044         Add sanity check.
1045         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
1046         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
1047         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
1048         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
1049         Handle ST Loongson 2E/2F cores.
1050         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
1052 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1054         * omp-low.c (extract_omp_for_data): Fix comment typo.
1055         * c.opt: Fix typo.
1057 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1059         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
1060         FIXME note about gcc/config.guess.
1061         * doc/options.texi (Option file format): Remove non-ASCII bytes.
1062         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
1063         * doc/cppopts.texi: Likewise.
1064         * doc/extend.texi: Likewise.
1065         * doc/gcc.texi: Likewise.
1066         * doc/gccint.texi: Likewise.
1067         * doc/gcov.texi: Likewise.
1068         * doc/gty.texi: Likewise.
1069         * doc/hostconfig.texi: Likewise.
1070         * doc/install.texi: Likewise.
1071         * doc/invoke.texi: Likewise.
1072         * doc/loop.texi: Likewise.
1073         * doc/makefile.texi: Likewise.
1074         * doc/md.texi: Likewise.
1075         * doc/passes.texi: Likewise.
1076         * doc/tm.texi: Likewise.
1077         * doc/tree-ssa.texi: Likewise.
1078         * doc/trouble.texi: Likewise.
1080 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
1081             Nathan Sidwell  <nathan@codesourcery.com>
1082             Maxim Kuvyrkov  <maxim@codesourcery.com>
1083             Richard Sandiford  <rdsandiford@googlemail.com>
1084         
1085         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
1086         * config/mips/mips-protos.h (mips_expand_vector_init): New.
1087         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
1088         builtins.
1089         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
1090         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
1091         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
1092         V8QImode cases.
1093         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
1094         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
1095         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
1096         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
1097         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
1098         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
1099         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
1100         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
1101         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
1102         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
1103         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
1104         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
1105         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
1106         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
1107         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
1108         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
1109         (mips_builtins): Add Loongson builtins.
1110         (mips_loongson_2ef_bdesc): New.
1111         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
1112         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
1113         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
1114         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
1115         New.
1116         (mips_expand_vector_init): New.
1117         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
1118         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
1119         if appropriate.
1120         * config/mips/mips.md: Add unspec numbers for Loongson
1121         builtins.  Include loongson.md.
1122         (MOVE64): Include Loongson vector modes.
1123         (SPLITF): Include Loongson vector modes.
1124         (HALFMODE): Handle Loongson vector modes.
1125         * config/mips/loongson.md: New.
1126         * config/mips/loongson.h: New.
1127         * config.gcc: Add loongson.h header for mips*-*-* targets.
1128         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
1130 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
1132         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
1133         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
1134         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
1135         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
1136         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
1137         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
1138         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
1139         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
1140         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
1141         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
1142         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
1143         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
1144         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
1145         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
1146         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
1147         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
1148         Remove use_fixproto=yes.
1149         (ia64*-*-hpux*): Remove comment about using fixproto.
1150         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
1152 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1154         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
1155         library rebuilds.
1156         * configure: Regenerate.
1158 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
1160         PR middle-end/36520
1161         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
1162         before evaluating it.
1164 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
1166         PR c/36507
1167         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
1168         nested inline functions.
1169         (start_decl, start_function): Don't invert DECL_EXTERNAL
1170         for nested inline functions.
1172 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
1174         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
1175         splits that must be made for correctness.
1177 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
1179         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
1180         (AVAIL_NON_MIPS16): Likewise.
1181         (mips_builtin_description): Replace target_flags with a predicate.
1182         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
1183         (dspr2_32): New availability predicates.
1184         (MIPS_BUILTIN): New macro.
1185         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
1186         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
1187         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
1188         Replace the TARGET_FLAGS parameters with AVAIL parameters.
1189         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
1190         (mips_dsp_32only_bdesc): Merge into...
1191         (mips_builtins): ...this new array.
1192         (mips_bdesc_map, mips_bdesc_arrays): Delete.
1193         (mips_init_builtins): Update after above changes.
1194         (mips_expand_builtin_1): Merge into...
1195         (mips_expand_builtin): ...here and update after above changes.
1197 2008-06-12  Paul Brook  <paul@codesourcery.com>
1199         * longlong.h (__arm__): Define count_leading_zeros.
1200         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
1201         (clzsi2, clzdi2): New functions.
1202         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
1203         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
1204         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
1205         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
1206         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
1207         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
1208         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
1209         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
1210         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
1211         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
1213 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
1215         * config/m68k/m68k.c (m68k_tune_flags): New.
1216         (override_options): Compute m68k_tune_flags.
1217         (MULL_COST, MULW_COST): Update for various variants of CFV2.
1218         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
1220 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
1222         PR middle-end/36506
1223         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
1225 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
1227         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
1228         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
1230 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
1232         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
1233         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
1235 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
1237         PR middle-end/36506
1238         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
1239         reductions.
1241 2008-06-12  Richard Guenther  <rguenther@suse.de>
1243         PR tree-optimization/36345
1244         * tree-flow.h (struct ptr_info_def): Align escape_mask,
1245         add memory_tag_needed flag.
1246         (may_alias_p): Declare.
1247         * tree-ssa-alias.c (may_alias_p): Export.
1248         (set_initial_properties): Use memory_tag_needed flag.
1249         (update_reference_counts): Likewise.
1250         (reset_alias_info): Reset memory_tag_needed flag.
1251         (create_name_tags): Check memory_tag_needed flag.
1252         (dump_points_to_info_for): Dump it.
1253         * tree-ssa-structalias.c (struct variable_info): Remove
1254         directly_dereferenced flag.
1255         (new_var_info): Do not initialize it.
1256         (process_constraint_1): Do not set it.
1257         (update_alias_info): Set is_dereferenced flag.
1258         (set_uids_in_ptset): Use may_alias_p.
1259         (set_used_smts): Check memory_tag_needed flag.
1260         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
1261         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
1262         memory_tag_needed flag.
1263         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
1264         from broken design.
1266 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
1268         * config/i386/i386.c (ix86_compute_frame_layout): Disable
1269         red zone for w64 abi.
1270         (ix86_expand_prologue): Likewise.
1271         (ix86_force_to_memory): Likewise.
1272         (ix86_free_from_memory): Likewise.
1274 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
1276         PR target/36425
1277         * config/rs6000/rs6000.c (rs6000_override_options): Set
1278         rs6000_isel conditionally to the absence of comand line override.
1279         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1280         Remove duplicate rs6000_isel setting.
1281         * config/rs6000/eabispe.h: Ditto.
1283 2008-06-11  Richard Guenther  <rguenther@suse.de>
1285         * alias.c (get_alias_set): Use the element alias-set for arrays.
1286         (record_component_aliases): For arrays and vectors do nothing.
1287         * c-common.c (strict_aliasing_warning): Handle the cases
1288         of alias set zero explicitly.
1289         * Makefile.in (dfp.o-warn): Add -Wno-error.
1291 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
1293         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
1294         tune_32 tune_64.
1295         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
1296         tune_32 tune_64 to supported_defaults.  Allow values not
1297         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
1298         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
1299         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
1300         with_cpu_64 to generic for 64-bit-supporting configurations, not
1301         with_cpu.  Remove FIXMEs.
1302         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
1303         --with-arch-64, --with-tune-32, --with-tune-64): Document.
1304         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
1305         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
1306         arch_32 and arch_64.
1308 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
1309             Olivier Hainque  <hainque@adacore.com>
1311         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
1312         Use DECL_SIZE_UNIT to retrieve the size of the field.
1314 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
1316         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
1317         with function calls after declarations.  Lay out
1318         neon_float_type_node before further use.
1320 2008-06-11  Richard Guenther  <rguenther@suse.de>
1322         * tree-flow.h (may_point_to_global_var): Declare.
1323         * tree-ssa-alias.c (may_point_to_global_var): New function.
1324         * tree-ssa-sink.c (is_hidden_global_store): Use it.
1326 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
1328         * configure.ac: Teach that fido supports .debug_line.
1329         * configure: Regenerate.
1331 2008-06-10  Tom Tromey  <tromey@redhat.com>
1333         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
1334         debug hook.
1336 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
1338         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
1339         (encode_decimal64, decode_decimal64, encode_decimal128,
1340         decode_decimal128): Reverse order of 32-bit parts of value if host
1341         and target endianness differ.
1343 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
1345         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
1346         Avoid division by 0.
1347         (tree_mod_pow2_value_transform): Likewise.
1348         (tree_ic_transform): Likewise.
1349         (tree_stringops_transform): Likewise.
1350         (tree_mod_subtract_transform): Likewise.
1351         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
1352         (copy_edges_for_bb): Likewise.
1353         (initialize_cfun): Likewise.
1355 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
1357         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
1358         nonmemory_operand. Add "N" operand constraint.
1359         (*btsi): Ditto.
1360         (*jcc_btdi_mask_rex64): New instruction and split pattern.
1361         (*jcc_btsi_mask): Ditto.
1362         (*jcc_btsi_mask_1): Ditto.
1364 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
1366         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
1367         TYPE_CANONICAL for copied element type.
1369 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
1371         PR target/36473
1372         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
1373         Add m_CORE2 and m_GENERIC.
1374         * config/i386/predicates.md (bt_comparison_operator): New predicate.
1375         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
1376         (*btsi): Ditto.
1377         (*jcc_btdi_rex64): New instruction and split pattern.
1378         (*jcc_btsi): Ditto.
1379         (*jcc_btsi_1): Ditto.
1380         (*btsq): Fix Intel asm dialect operand order.
1381         (*btrq): Ditto.
1382         (*btcq): Ditto.
1384 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
1386         PR middle-end/36447
1387         * simplify-rtx.c (simplify_subreg): Add check for shift count 
1388         greater than size.
1390 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
1392         * doc/md.texi: Synchronize with later constraints.md change.
1393         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
1394         with a C implementation.
1395         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
1396         MFLO handling.
1397         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
1398         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
1399         when moving to and from MD_REGNUM.
1400         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
1401         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
1402         Handle byte and halfword moves.
1403         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
1404         separately.
1405         * config/mips/constraints.md (h): Turn into NO_REGS.
1406         (l, x): Update documentation.
1407         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
1408         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
1409         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
1410         (HILO): New mode iterator.
1411         (MOVE128): Add TI.
1412         (any_div): New code iterator.
1413         (u): Extend code attribute to div and udiv.
1414         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
1415         d_operand in the splitters.  Remove redundant CONST_INT checks.
1416         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
1417         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
1418         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
1419         accordingly, using normal moves instead of unspecs to move LO into
1420         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
1421         (<u>mulsidi3): Handle expansion in C code.
1422         (<u>mulsidi3_32bit_internal): Rename to...
1423         (<u>mulsidi3_32bit): ...this.
1424         (<u>mulsidi3_32bit_r4000): Fix insn separator.
1425         (*<u>mulsidi3_64bit): Rename to...
1426         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
1427         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
1428         to set LO and HI to the multiplication result.  Use a normal move
1429         for MFLO and an unspec for MFHI.
1430         (*<u>mulsidi3_64bit_parts): Replace with...
1431         (<u>mulsidi3_64bit_hilo): ...this new instruction.
1432         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
1433         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
1434         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
1435         instead of HI.  Split the instruction into a separate multiplication
1436         and MFHI if !TARGET_FIX_R4000.
1437         (<su>muldi3_highpart): Likewise.
1438         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
1439         and the "=h" clobber.
1440         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
1441         (<u>mulditi3): New expander.
1442         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
1443         (madsi): Remove "=h" clobber.
1444         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
1445         Force the modulus result to be a GPR and split the instruction into
1446         a division followed by an MFHI after reload.
1447         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
1448         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
1449         the MIPS16 HIGH define_split.
1450         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
1451         of acc<->gpr moves to "multi".
1452         (*movdi_64bit): Replace the single "x" alternative with
1453         alternatives for moving into and out of "a".
1454         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
1455         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
1456         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
1457         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
1458         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
1459         (movti): New expander.
1460         (*movti, *movti_mips16): New insns.
1461         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
1462         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
1463         (mthi<GPR:mode>_<HILO:mode>): Likewise.
1464         * config/mips/predicates.md (fpr_operand): Delete.
1465         (d_operand): New predicate.
1467 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
1469         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
1470         failure on some Bourne shells.
1471         (x86_64-*-*): Ditto.
1473 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
1475         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
1477 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1479         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
1480         (sparc-sun-solaris2*): Likewise.
1482 2008-06-09  Arnaud Charlet  <charlet@adacore.com
1484         * doc/install.texi: Update requirements to build the Ada compiler.
1486 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
1488         * df-scan.c (struct df_scan_problem_data): Remove the
1489         mw_link_pool alloc pool.
1490         (df_scan_free_internal): Don't free it.
1491         (df_scan_alloc): Don't allocate it.
1492         * df.h (struct df_link): Update comment.
1494 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
1496         * except.h: Correct checks for when SJLJ exceptions must be used.
1498 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1500         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
1501         default.
1502         
1503 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
1505         PR tree-optimization/36218
1506         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
1507         configure for the build system.
1508         (BUILD_LDFLAGS): Define.
1509         * configure: Regenerate.
1510         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
1512 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
1514         PR target/36424
1515         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
1516         * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
1517         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 
1519 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
1521         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
1523 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
1525         * config.gcc (Obsolete configurations): Remove list of
1526         configurations.
1527         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
1528         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
1529         targets matched by those patterns.
1530         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
1531         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
1532         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
1533         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
1534         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1535         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
1536         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
1537         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
1538         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
1539         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
1540         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
1541         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
1542         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
1543         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
1544         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
1545         Make code for Solaris 7 and greater unconditional for Solaris.
1546         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
1547         Remove --with-* handling.
1548         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
1549         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
1550         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
1551         LINK_OS_WINDISS_SPEC): Remove.
1552         * config/rs6000/sysv4.opt (mwindiss): Remove.
1553         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
1554         * configure: Regenerate.
1555         * doc/cpp.texi: Don't mention BeOS.
1556         * doc/extend.texi (interrupt): Don't mention MS1.
1557         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
1558         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
1559         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
1560         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
1561         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
1562         Remove.
1563         * doc/invoke.texi (MT Options): Remove.
1564         (-mwindiss): Remove.
1565         (CRIS Options): Remove cris-axis-aout references.
1566         (HPPA Options): Don't mention hppa1.1-*-pro.
1567         * doc/md.texi: (MorphoTech family): Remove.
1568         * libgcc2.c: Don't handle UWIN.
1569         * config/alpha/t-unicosmk: Remove.
1570         * config/alpha/unicosmk.h: Remove.
1571         * config/arm/kaos-arm.h: Remove.
1572         * config/arm/kaos-strongarm.h: Remove.
1573         * config/arm/strongarm-coff.h: Remove.
1574         * config/arm/strongarm-elf.h: Remove.
1575         * config/arm/strongarm-pe.h: Remove.
1576         * config/arm/t-strongarm-pe: Remove.
1577         * config/arm/t-xscale-coff: Remove.
1578         * config/arm/t-xscale-elf: Remove.
1579         * config/arm/xscale-coff.h: Remove.
1580         * config/arm/xscale-elf.h: Remove.
1581         * config/chorus.h: Remove.
1582         * config/cris/aout.h: Remove.
1583         * config/cris/aout.opt: Remove.
1584         * config/cris/t-aout: Remove.
1585         * config/i386/beos-elf.h: Remove.
1586         * config/i386/kaos-i386.h: Remove.
1587         * config/i386/ptx4-i.h: Remove.
1588         * config/i386/sco5.h: Remove.
1589         * config/i386/sco5.opt: Remove.
1590         * config/i386/sysv4-cpp.h: Remove.
1591         * config/i386/sysv5.h: Remove.
1592         * config/i386/t-beos: Remove.
1593         * config/i386/t-sco5: Remove.
1594         * config/i386/t-uwin: Remove.
1595         * config/i386/uwin.asm: Remove.
1596         * config/i386/uwin.h: Remove.
1597         * config/kaos.h: Remove.
1598         * config/mips/windiss.h: Remove.
1599         * config/mt: Remove directory.
1600         * config/pa/pa-osf.h: Remove.
1601         * config/pa/pa-pro-end.h: Remove.
1602         * config/pa/t-pro: Remove.
1603         * config/ptx4.h: Remove.
1604         * config/rs6000/beos.h: Remove.
1605         * config/rs6000/kaos-ppc.h: Remove.
1606         * config/rs6000/t-beos: Remove.
1607         * config/rs6000/windiss.h: Remove.
1608         * config/sh/kaos-sh.h: Remove.
1609         * config/sol2-6.h: Remove.
1610         * config/sparc/sol26-sld.h: Remove.
1611         * config/sparc/sysv4-only.h: Remove.
1612         * config/vax/bsd.h: Remove.
1613         * config/vax/t-memfuncs: Remove.
1614         * config/vax/ultrix.h: Remove.
1615         * config/vax/vaxv.h: Remove.
1616         * config/windiss.h: Remove.
1618 2008-06-06 Uros Bizjak <ubizjak@gmail.com>
1620         PR rtl-optimization/36438
1621         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
1622         for vector shifts with constant scalar shift operands.
1624 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
1626         * doc/invoke.texi: Document -march=xlr.
1627         * config/mips/xlr.md: New file.
1628         * config/mips/mips.md: Include it.
1629         (cpu): Add "xlr".
1630         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
1631         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
1632         (mips_rtx_cost_data): Likewise.
1634 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
1636         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
1637         PRE_INC and PRE_DEC cases.
1639 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
1641         PR rtl-optimization/36419
1642         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
1643         the emitting jump insn.
1645         PR target/36362
1646         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
1647         is not bool, boolify the whole *expr_p and convert to the desired type.
1649 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
1651         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
1652         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
1653         Add omp_private_outer_ref hook, add another argument to
1654         omp_clause_default_ctor hook.
1655         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
1656         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
1657         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
1658         hook_tree_tree_tree_tree_null.
1659         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
1660         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
1661         * hooks.c (hook_tree_tree_tree_tree_null): New function.
1662         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
1663         * tree.def (OMP_TASK): New tree code.
1664         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
1665         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
1666         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
1667         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
1668         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
1669         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
1670         OMP_CLAUSE_COLLAPSE_EXPR): Define.
1671         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
1672         (OMP_DIRECTIVE_P): Add OMP_TASK.
1673         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
1674         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
1675         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
1676         and OMP_CLAUSE_UNTIED entries.
1677         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
1678         num_ops to 2.
1679         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
1680         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
1681         * tree-pretty-print.c (dump_omp_clause): Handle
1682         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
1683         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
1684         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
1685         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
1686         warning about unsigned iterators.  Change decl/init/cond/incr
1687         arguments to TREE_VECs, check arguments for all collapsed loops.
1688         (c_finish_omp_taskwait): New function.
1689         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
1690         ws_clauses.
1691         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
1692         default_function_array_conversion on init.  Add par_clauses argument.
1693         If decl is present in parallel's lastprivate clause, change it to
1694         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
1695         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
1696         collapse count in clauses.
1697         (c_parser_omp_for, c_parser_omp_parallel): Adjust
1698         c_parser_omp_for_loop callers.
1699         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
1700         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
1701         (c_parser_omp_clause_name): Handle collapse and untied clauses.
1702         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
1703         functions.
1704         (c_parser_omp_clause_schedule): Handle schedule(auto).
1705         Include correct location in the error message.
1706         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
1707         and PRAGMA_OMP_CLAUSE_UNTIED.
1708         (OMP_TASK_CLAUSE_MASK): Define.
1709         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
1710         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
1711         * tree-nested.c (convert_nonlocal_omp_clauses,
1712         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
1713         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
1714         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
1715         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
1716         OMP_CLAUSE_DECL.
1717         (conver_nonlocal_reference, convert_local_reference,
1718         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
1719         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
1720         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
1721         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
1722         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
1723         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
1724         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
1725         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
1726         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
1727         OMP_CLAUSE_UNTIED.
1728         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
1729         * c-common.h (c_finish_omp_taskwait): New prototype.
1730         * gimple-low.c (lower_stmt): Handle OMP_TASK.
1731         * tree-parloops.c (create_parallel_loop): Create 1 entry
1732         vectors for OMP_FOR_{INIT,COND,INCR}.
1733         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
1734         (make_edges): Handle OMP_TASK.
1735         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
1736         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
1737         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
1738         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
1739         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
1740         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
1741         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
1742         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
1743         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
1744         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
1745         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
1746         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
1747         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
1748         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
1749         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
1750         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
1751         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
1752         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
1753         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
1754         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
1755         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
1756         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
1757         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
1758         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
1759         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
1760         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
1761         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
1762         original iterator is present in lastprivate clause or if
1763         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
1764         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
1765         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
1766         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
1767         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
1768         if it is set, lookup var in outer contexts too.  Handle
1769         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
1770         to be implicitly determined firstprivate for task regions.
1771         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
1772         if it is set, lookup var in outer contexts too.  Set
1773         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
1774         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
1775         OMP_CLAUSE_UNTIED.  Take region_type as last argument
1776         instead of in_parallel and in_combined_parallel.
1777         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1778         Adjust callers.
1779         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
1780         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
1781         (new_omp_context): Set default_kind to
1782         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
1783         (omp_region_type): New enum.
1784         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
1785         fields, add region_type.
1786         (new_omp_context): Take region_type as argument instead of is_parallel
1787         and is_combined_parallel.
1788         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
1789         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
1790         ctx->is_combined_parallel checks.
1791         (gimplify_omp_task): New function.
1792         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
1793         OMP_CLAUSE_UNTIED.
1794         * omp-low.c (extract_omp_for_data): Use schedule(static)
1795         for schedule(auto).  Handle pointer and unsigned iterators.
1796         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
1797         Add loops argument.  Extract data for collapsed OMP_FOR loops.
1798         (expand_parallel_call): Assert sched_kind isn't auto,
1799         map runtime schedule to index 3.
1800         (struct omp_for_data_loop): New type.
1801         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
1802         Add loop, loops, collapse and iter_type fields.
1803         (workshare_safe_to_combine_p): Disallow combined for if
1804         iter_type is unsigned long long.  Don't combine collapse > 1 loops
1805         unless all bounds and steps are constant.  Adjust extract_omp_for_data
1806         caller.
1807         (expand_omp_for_generic): Handle pointer, unsigned and long long
1808         iterators.  Handle collapsed OMP_FOR loops.  Adjust
1809         for struct omp_for_data changes.  If libgomp function doesn't return
1810         boolean_type_node, add comparison of the return value with 0.
1811         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
1812         pointer, unsigned and long long iterators.  Adjust for struct
1813         omp_for_data changes.
1814         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
1815         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
1816         unsigned long long.  Allocate loops array, pass it to
1817         extract_omp_for_data.  For collapse > 1 loops use always
1818         expand_omp_for_generic.
1819         (omp_context): Add sfield_map and srecord_type fields.
1820         (is_task_ctx, lookup_sfield): New functions.
1821         (use_pointer_for_field): Use is_task_ctx helper.  Change first
1822         argument's type from const_tree to tree.  Clarify comment.
1823         In OMP_TASK disallow copy-in/out sharing.
1824         (build_sender_ref): Call lookup_sfield instead of lookup_field.
1825         (install_var_field): Add mask argument.  Populate both record_type
1826         and srecord_type if needed.
1827         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
1828         in srecord_type.
1829         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
1830         and DECL_FIELD_OFFSET.
1831         (scan_sharing_clauses): Adjust install_var_field callers.  For
1832         firstprivate clauses on explicit tasks allocate the var by value in
1833         record_type unconditionally, rather than by reference.
1834         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
1835         Use is_taskreg_ctx instead of is_parallel_ctx.
1836         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
1837         (create_omp_child_function_name): Add task_copy argument, use
1838         *_omp_cpyfn* names if it is true.
1839         (create_omp_child_function): Add task_copy argument, if true create
1840         *_omp_cpyfn* helper function.
1841         (scan_omp_parallel): Adjust create_omp_child_function callers.
1842         Rename parallel_nesting_level to taskreg_nesting_level.
1843         (scan_omp_task): New function.
1844         (lower_rec_input_clauses): Don't run constructors for firstprivate
1845         explicit task vars which are initialized by *_omp_cpyfn*.  
1846         Pass outer var ref to omp_clause_default_ctor hook if
1847         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
1848         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
1849         OMP_CLAUSE_REDUCTION_INIT.
1850         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
1851         avoid duplicate setting of fields.  Handle
1852         OMP_CLAUSE_PRIVATE_OUTER_REF.
1853         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
1854         copy-out if TREE_READONLY, only copy-in.
1855         (expand_task_copyfn): New function.
1856         (expand_task_call): New function.
1857         (struct omp_taskcopy_context): New type.
1858         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
1859         New functions.
1860         (lower_omp_parallel): Rename to...
1861         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
1862         Call create_task_copyfn if srecord_type is needed.  Adjust
1863         sender_decl type.
1864         (task_shared_vars): New variable.
1865         (check_omp_nesting_restrictions): Warn if work-sharing,
1866         barrier, master or ordered region is closely nested inside OMP_TASK.
1867         Add warnings for barrier if closely nested inside of work-sharing,
1868         ordered, or master region.
1869         (scan_omp_1): Call check_omp_nesting_restrictions even for
1870         GOMP_barrier calls.  Rename parallel_nesting_level to
1871         taskreg_nesting_level.  Handle OMP_TASK.
1872         (lower_lastprivate_clauses): Even if some lastprivate is found on a
1873         work-sharing construct, continue looking for them on parent parallel
1874         construct.
1875         (lower_omp_for_lastprivate): Add lastprivate clauses
1876         to the beginning of dlist rather than end.  Adjust for struct
1877         omp_for_data changes.
1878         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
1879         not after it.  Handle collapsed OMP_FOR loops, adjust for
1880         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
1881         (get_ws_args_for): Adjust extract_omp_for_data caller.
1882         (scan_omp_for): Handle collapsed OMP_FOR
1883         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
1884         (lower_omp_single_simple): If libgomp function doesn't return
1885         boolean_type_node, add comparison of the return value with 0.
1886         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
1887         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
1888         (parallel_nesting_level): Rename to...
1889         (taskreg_nesting_level): ... this.
1890         (is_taskreg_ctx): New function.
1891         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
1892         of is_parallel_ctx.
1893         (execute_lower_omp): Rename parallel_nesting_level to
1894         taskreg_nesting_level.
1895         (expand_omp_parallel): Rename to...
1896         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
1897         Call omp_task_call for OMP_TASK regions.
1898         (expand_omp): Adjust caller, handle OMP_TASK.
1899         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
1901         * bitmap.c (bitmap_default_obstack_depth): New variable.
1902         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
1903         if argument is NULL and bitmap_default_obstack is already initialized.
1904         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
1905         at the end.
1906         * matrix-reorg.c (matrix_reorg): Likewise.
1908 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
1910         * config/i386/i386.md (*indirect_jump): Macroize using P
1911         mode iterator.  Remove !TARGET_64BIT from insn constraints.
1912         (*tablejump_1): Ditto.
1913         (*indirect_jump_rex64): Remove insn pattern.
1914         (*tablejump_1_rex64): Ditto.
1915         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
1916         and eh_return_si insn patterns.
1918 2008-06-06  Richard Guenther  <rguenther@suse.de>
1920         * tree-ssa-structalias.c (merge_smts_into): Remove.
1921         (find_what_p_points_to): Do not bother to compute the
1922         points-to set for pt_anything pointers.
1923         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
1924         for pt_anything pointers is ok.
1926 2008-06-06  Jan Hubicka  <jh@suse.cz>
1928         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
1930 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1932         * cgraph.c: Fix typos in comments.
1933         (cgraph_availability_names): Fix string typo.
1934         * fold-const.c: Fix typos in comments.
1935         (fold_binary): Fix typo in warning.
1936         * genautomata.c: Fix typos in comments.
1937         (check_presence_pattern_sets): Fix typo in local variable.
1938         (output_description): Fix typo in output.
1939         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
1940         * hwint.h: Likewise.
1941         * matrix-reorg.c (check_allocation_function): Likewise.
1942         * omega.c (smooth_weird_equations): Likewise.
1943         * auto-inc-dec.c: Fix typos in comments.
1944         * bb-reorder.c: Likewise.
1945         * builtins.c: Likewise.
1946         * c-common.c: Likewise.
1947         * c-cppbuiltin.c: Likewise.
1948         * c-parser.c: Likewise.
1949         * c-pretty-print.c: Likewise.
1950         * cfgcleanup.c: Likewise.
1951         * cfgexpand.c: Likewise.
1952         * cfghooks.c: Likewise.
1953         * cfglayout.c: Likewise.
1954         * cfgloopmanip.c: Likewise.
1955         * cgraphunit.c: Likewise.
1956         * coverage.c: Likewise.
1957         * dbxout.c: Likewise.
1958         * df-byte-scan.c: Likewise.
1959         * df-core.c: Likewise.
1960         * df-problems.c: Likewise.
1961         * df-scan.c: Likewise.
1962         * dfp.c: Likewise.
1963         * dominance.c: Likewise.
1964         * domwalk.c: Likewise.
1965         * dse.c: Likewise.
1966         * dwarf2out.c: Likewise.
1967         * emit-rtl.c: Likewise.
1968         * et-forest.c: Likewise.
1969         * function.c: Likewise.
1970         * function.h: Likewise.
1971         * gcc.c: Likewise.
1972         * gcov-io.c: Likewise.
1973         * gcov.c: Likewise.
1974         * gcse.c: Likewise.
1975         * genattrtab.c: Likewise.
1976         * ggc-page.c: Likewise.
1977         * gimplify.c: Likewise.
1978         * gthr-lynx.h: Likewise.
1979         * haifa-sched.c: Likewise.
1980         * ipa-cp.c: Likewise.
1981         * ipa-inline.c: Likewise.
1982         * ipa-prop.h: Likewise.
1983         * ipa-pure-const.c: Likewise.
1984         * ipa-struct-reorg.c: Likewise.
1985         * ipa-struct-reorg.h: Likewise.
1986         * ipa-type-escape.c: Likewise.
1987         * ipa.c: Likewise.
1988         * loop-doloop.c: Likewise.
1989         * mips-tfile.c: Likewise.
1990         * mkmap-flat.awk: Likewise.
1991         * mkmap-symver.awk: Likewise.
1992         * modulo-sched.c: Likewise.
1993         * omp-low.c: Likewise.
1994         * optabs.c: Likewise.
1995         * optabs.h: Likewise.
1996         * opts.c: Likewise.
1997         * passes.c: Likewise.
1998         * postreload-gcse.c: Likewise.
1999         * postreload.c: Likewise.
2000         * predict.c: Likewise.
2001         * pretty-print.h: Likewise.
2002         * profile.c: Likewise.
2003         * protoize.c: Likewise.
2004         * ra-conflict.c: Likewise.
2005         * real.c: Likewise.
2006         * recog.c: Likewise.
2007         * regclass.c: Likewise.
2008         * regs.h: Likewise.
2009         * reload.c: Likewise.
2010         * rtl-error.c: Likewise.
2011         * rtlanal.c: Likewise.
2012         * scan.h: Likewise.
2013         * sched-rgn.c: Likewise.
2014         * see.c: Likewise.
2015         * stmt.c: Likewise.
2016         * target.h: Likewise.
2017         * tree-dfa.c: Likewise.
2018         * tree-eh.c: Likewise.
2019         * tree-flow-inline.h: Likewise.
2020         * tree-inline.c: Likewise.
2021         * tree-into-ssa.c: Likewise.
2022         * tree-loop-distribution.c: Likewise.
2023         * tree-nested.c: Likewise.
2024         * tree-parloops.c: Likewise.
2025         * tree-pass.h: Likewise.
2026         * tree-pretty-print.c: Likewise.
2027         * tree-profile.c: Likewise.
2028         * tree-scalar-evolution.c: Likewise.
2029         * tree-sra.c: Likewise.
2030         * tree-ssa-alias-warnings.c: Likewise.
2031         * tree-ssa-ccp.c: Likewise.
2032         * tree-ssa-coalesce.c: Likewise.
2033         * tree-ssa-dom.c: Likewise.
2034         * tree-ssa-dse.c: Likewise.
2035         * tree-ssa-forwprop.c: Likewise.
2036         * tree-ssa-live.c: Likewise.
2037         * tree-ssa-live.h: Likewise.
2038         * tree-ssa-loop-im.c: Likewise.
2039         * tree-ssa-loop-ivopts.c: Likewise.
2040         * tree-ssa-loop-niter.c: Likewise.
2041         * tree-ssa-loop-prefetch.c: Likewise.
2042         * tree-ssa-phiopt.c: Likewise.
2043         * tree-ssa-phiprop.c: Likewise.
2044         * tree-ssa-sccvn.c: Likewise.
2045         * tree-ssa-ter.c: Likewise.
2046         * tree-ssa-threadupdate.c: Likewise.
2047         * tree-ssa.c: Likewise.
2048         * tree-vect-analyze.c: Likewise.
2049         * tree-vect-transform.c: Likewise.
2050         * tree-vectorizer.c: Likewise.
2051         * tree-vn.c: Likewise.
2052         * tree-vrp.c: Likewise.
2053         * tree.c: Likewise.
2054         * tree.def: Likewise.
2055         * tree.h: Likewise.
2056         * unwind-dw2-fde.c: Likewise.
2057         * unwind.inc: Likewise.
2058         * value-prof.c: Likewise.
2059         * vmsdbgout.c: Likewise.
2061 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
2063         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
2064         always place FP constants in the TOC for TARGET_POWERPC64.
2065         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
2067 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
2069         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
2070         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
2071         enable for TARGET_E500_DOUBLE.
2072         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
2073         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
2074         floating-point modes like integer modes for E500 double.
2075         (rs6000_legitimate_offset_address_p): Likewise.
2076         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
2077         addressing for DDmode for E500 double.
2078         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
2079         modes as using 64-bits of registers for E500 double.
2080         (spe_build_register_parallel): Do not handle DDmode or TDmode.
2081         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
2082         specially for E500 double.
2083         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
2084         TDmode for E500 double.
2085         (rs6000_gimplify_va_arg): Only handle SDmode in registers
2086         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
2087         (rs6000_split_multireg_move): Do not handle TDmode specially for
2088         E500 double.
2089         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
2090         using 64-bit registers for E500 double.
2091         (emit_frame_save): Do not handle DDmode specially for E500 double.
2092         (gen_frame_mem_offset): Likewise.
2093         (rs6000_function_value): Do not call spe_build_register_parallel
2094         for DDmode or TDmode.
2095         (rs6000_libcall_value): Likewise.
2096         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
2097         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
2098         for E500 double.
2100 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
2102         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
2103         in comments.
2105 2008-06-04  Junjie Gu <jgu@tensilica.com>
2107         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
2108         comparison for frame pointers.
2110 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
2112         PR target/27386
2113         * config/avr/avr.h (PUSH_ROUNDING): Remove.
2115 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
2117         PR target/30243
2118         * builtins.c (expand_builtin_signbit): Don't take lowpart when
2119         register is already smaller or equal to required mode. 
2121 2008-06-04  Xinliang David Li  <davidxl@google.com>
2123         * tree-call-cdce.c: New file. 
2124         (cond_dead_built_in_calls): New static variable.
2125         (input_domain): New struct.
2126         (check_pow): New function.
2127         (check_builtin_call): Ditto.
2128         (check_target_format): Ditto.
2129         (is_call_dce_candidate): Ditto.
2130         (gen_one_condition): Ditto.
2131         (gen_conditions_for_domain): Ditto.
2132         (get_domain): Ditto.
2133         (gen_conditions_for_pow_cst_base): Ditto.
2134         (gen_conditions_for_pow_int_base): Ditto.
2135         (gen_conditions_for_pow): Ditto.
2136         (get_no_error_domain): Ditto.
2137         (gen_shrink_wrap_conditions): Ditto.
2138         (shrink_wrap_one_built_in_call): Ditto.
2139         (shink_wrap_conditional_dead_built_in_calls): Ditto.
2140         (tree_call_cdce): Ditto.
2141         (gate_call_cdce): Ditto.
2142         (pass_call_cdce): New gimple pass.
2143         * passes.c: (init_optimization_passes): New pass.
2144         * tree-pass.h: New pass declaration.
2145         * opts.c (decode_options): New flag setting.
2146         * common.opt: Add -ftree-builtin-call-dce flag.
2147         * Makefile.in: Add new source file.
2148         * tempvar.def: New tv_id.
2149         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
2151 2008-06-04  Richard Guenther  <rguenther@suse.de>
2153         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
2154         (is_call_clobbered): Always check var_ann->call_clobbered.
2155         (mark_call_clobbered): Always set var_ann->call_clobbered.
2156         (clear_call_clobbered): Always clear var_ann->call_clobbered.
2157         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
2158         (reset_alias_info): Clear call clobbering info on MTAGs and
2159         globals as well.
2160         (set_pt_anything): Set pt_global_mem.
2161         (create_tag_raw): Adjust comment.
2162         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
2164 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
2165             Maxim Kuvyrkov  <maxim@codesourcery.com>
2167         * config/m68k/m68k.opt (mxgot): New option.
2168         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
2169         (m68k_output_addr_const_extra): New.
2170         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
2171         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
2172         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
2173         * doc/invoke.texi (M680x0 Options): Document -mxgot.
2175 2008-06-04  Richard Guenther  <rguenther@suse.de>
2177         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
2178         negative or non-representable offsets.
2180 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
2182         * config/i386/i386.c (ix86_gen_leave): New.
2183         (ix86_gen_pop1): Likewise.
2184         (ix86_gen_add3): Likewise.
2185         (ix86_gen_sub3): Likewise.
2186         (ix86_gen_sub3_carry): Likewise.
2187         (ix86_gen_one_cmpl2): Likewise.
2188         (ix86_gen_monitor): Likewise.
2189         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
2190         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
2191         ix86_gen_one_cmpl2 and ix86_gen_monitor.
2192         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
2193         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
2194         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
2195         (ix86_expand_epilogue): Updated.
2196         (print_operand): Handle integer register operand for 'z'.
2197         (ix86_expand_strlensi_unroll_1): Likewise.
2198         (ix86_expand_strlen): Likewise.
2199         (ix86_expand_builtin): Likewise.
2200         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
2201         mov{q}/mov{l} and add{q}/add{l}.
2203 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
2205         * config/i386/i386.md (P): New mode iterator.
2206         (SFmode push_operand splitter): Macroize DImode and SImode pushes
2207         using P mode iterator.
2208         (DFmode push_operand splitter): Ditto.
2209         (XFmode push_operand splitter): Ditto.
2210         (DFmode float_extend SFmode push_operand splitter): Ditto.
2211         (XFmode float_extend SFmode push_operand splitter): Do not generate
2212         SImode pushes for 64bit target.  Macroize Dimode and SImode
2213         pushes using P mode iterator.
2214         (XFmode float_extend DFmode push_operand splitter): Ditto.
2216 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
2218         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
2219         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
2220         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
2221         return type to int.
2222         (ix86_call_abi_override): Remove check for call_used_regs.
2224 2008-06-03  Richard Guenther  <rguenther@suse.de>
2226         * tree-ssa-structalias.c (find_func_aliases): Add constraints
2227         for the lhs of calls if the return type contains pointers.
2229 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
2231         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
2232         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
2233         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
2234         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
2235         of cfun and DEFAULT_ABI to deceide abi mode.
2236         (DEFAULT_ABI): New.
2237         (REG_PARM_STACK_SPACE): Removed.
2238         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
2239         (STACK_BOUNDARY): Use default target to deceide stack boundary.
2240         * config/i386/i386-protos.h (ix86_cfun_abi): New.
2241         (ix86_function_abi): Likewise.
2242         (ix86_function_type_abi): Likewise.
2243         (ix86_call_abi_override): Likewise.
2244         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
2245         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
2246         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
2247         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
2248         specific defines.
2249         (X86_64_REGPARM_MAX): New.
2250         (X86_64_SSE_REGPARM_MAX): New.
2251         (X64_REGPARM_MAX): New.
2252         (X64_SSE_REGPARM_MAX): New.
2253         (X86_32_REGPARM_MAX): New.
2254         (X86_32_SSE_REGPARM_MAX): New.
2255         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
2256         (ix86_function_regparm): Handle user calling abi.
2257         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
2258         by DEFAULT_ABI versus SYSV_ABI check.
2259         (ix86_reg_parm_stack_space): New.
2260         (ix86_function_type_abi): New.
2261         (ix86_call_abi_override): New.
2262         (ix86_function_abi): New.
2263         (ix86_cfun_abi): New.
2264         (init_cumulative_args): Call abi specific initialization.
2265         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
2266         (function_arg_64): Extend SSE_REGPARM_MAX check.
2267         (function_arg (): Remove TARGET_64BIT_MS_ABI.
2268         (ix86_pass_by_reference): Likewise.
2269         (ix86_function_value_regno_p): Likewise.
2270         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
2271         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
2272         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
2273         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
2274         (setup_incoming_varargs_64): Adjust regparm for call abi.
2275         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
2276         (ix86_va_start): Likewise.
2277         (ix86_gimplify_va_arg): Likewise.
2278         (ix86_expand_prologue): Likewise.
2279         (output_pic_addr_const): Likewise.
2280         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
2281         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
2282         (x86_output_mi_thunk): Likewise.
2283         (x86_function_profiler): Likewise.
2284         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
2285         (SYSV_ABI, MS_ABI): New constants.
2286         (DEFAULT_ABI): New.
2287         (init_regs): Add prototype of function in regclass.c file.
2288         (OVERRIDE_ABI_FORMAT): New.
2289         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
2290         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
2291         (OUTGOING_REG_PARM_STACK_SPACE): New.
2292         (ix86_reg_parm_stack_space): New prototype.
2293         (CUMULATIVE_ARGS): Add call_abi member.
2294         (machine_function): Add call_abi member.
2295         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
2296         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
2298 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
2300         PR target/34879
2301         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
2302         (avr_builtin_setjmp_frame_value): New function.
2303         * config/avr/avr.md (nonlocal_goto_receiver): Define.
2304         (nonlocal_goto): Define.
2306 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
2308         * config/mips/mips.c (mips_emit_loadgp): Return early if
2309         there is nothing do to, otherwise emit a blockage if
2310         !TARGET_EXPLICIT_RELOCS || crtl->profile.
2311         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
2313 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2315         * configure.ac: Drop unneeded backslash ending up in config.in.
2316         * acinclude.m4: Likewise.
2317         * config.in: Regenerate.
2319 2008-05-26  Jan Hubicka  <jh@suse.cz>
2321         * predict.c (maybe_hot_frequency_p): Break out of...
2322         (maybe_hot_bb_p): ... here.
2323         (maybe_hot_edge_p): New.
2324         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
2325         * basic-block.h (maybe_hot_edge_p): Declare.
2327 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
2329         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
2330         (*cmpfp_<mode>_cc): Ditto.
2331         (*fp_jcc_8<mode>_387): Ditto.
2332         (*fop_<MODEF:mode>_2_i387): Ditto.
2333         (*fop_<MODEF:mode>_3_i387): Ditto.
2334         (*fop_xf_2_i387): Ditto.
2335         (*fop_xf_3_i387): Ditto.
2337 2008-06-02  Tomas Bily  <tbily@suse.cz>
2339         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
2341 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
2343         * config/mips/mips.c (mips_valid_offset_p): New function.
2344         (mips_valid_lo_sum_p): Likewise.
2345         (mips_classify_address): Use them.
2346         (mips_force_address): New function.
2347         (mips_legitimize_address): Use it.
2348         * config/mips/mips.md (MOVE128): New mode iterator.
2349         (movtf): Require TARGET_64BIT.  Remove empty strings.
2350         (*movtf_internal): Rename to...
2351         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
2352         of "R" and use {,fp}{load,store} attributes instead of "multi".
2353         Use a separate define_split.
2354         (*movtf_mips16): New pattern.
2356 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
2358         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
2359         * config/mips/mips.c (mips_expand_before_return): New function.
2360         (mips_expand_epilogue): Call it.
2361         * config/mips/mips.md (return): Turn into a define_expand.
2362         (*return): New insn.
2364 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
2366         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
2367         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
2368         functions.  Do not emit uses and clobbers of CONCATs; individually
2369         use and clobber their operands.
2370         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
2371         gen_clobber, emit_use and gen_use.
2372         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
2373         (expand_builtin_return): Likewise.
2374         * cfgbuild.c (count_basic_blocks): Likewise.
2375         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
2376         * explow.c (emit_stack_restore): Likewise.
2377         * expmed.c (extract_bit_field_1): Likewise.
2378         * expr.c (convert_move, emit_move_complex_parts): Likewise.
2379         (emit_move_multi_word, store_constructor): Likewise.
2380         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
2381         (thread_prologue_and_epilogue_insns): Likewise.
2382         * lower-subreg.c (resolve_simple_move): Likewise.
2383         * optabs.c (widen_operand, expand_binop): Likewise.
2384         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
2385         * reload.c (find_reloads): Likewise.
2386         * reload1.c (eliminate_regs_in_insn): Likewise.
2387         * stmt.c (expand_nl_goto_receiver): Likewise.
2388         * config/alpha/alpha.md (builtin_longjmp): Likewise.
2389         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
2390         * config/arm/arm.c (arm_load_pic_register): Likewise.
2391         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
2392         * config/arm/arm.md (untyped_return): Likewise.
2393         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
2394         * config/avr/avr.c (expand_prologue): Likewise.
2395         * config/bfin/bfin.c (do_unlink): Likewise.
2396         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
2397         * config/cris/cris.c (cris_expand_prologue): Likewise.
2398         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2399         (machopic_legitimize_pic_address): Likewise.
2400         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
2401         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
2402         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
2403         (ix86_expand_convert_uns_didf_sse): Likewise.
2404         (ix86_expand_vector_init_general): Likewise.
2405         * config/ia64/ia64.md (eh_epilogue): Likewise.
2406         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
2407         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
2408         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
2409         (config/iq2000/iq2000.c): Likewise.
2410         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
2411         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
2412         (builtin_longjmp): Likewise.
2413         * config/mn10300/mn10300.md (call, call_value): Likewise.
2414         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
2415         * config/pdp11/pdp11.md (abshi2): Likewise.
2416         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
2417         * config/s390/s390.c (s390_emit_prologue): Likewise.
2418         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
2419         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
2420         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
2421         * config/sh/sh.c (prepare_move_operands): Likewise.
2422         (output_stack_adjust, sh_expand_epilogue): Likewise.
2423         (sh_set_return_address, sh_expand_t_scc): Likewise.
2424         * config/sparc/sparc.c (load_pic_register): Likewise.
2425         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
2426         * config/spu/spu.c (spu_expand_epilogue): Likewise.
2427         * config/v850/v850.c (expand_epilogue): Likewise.
2429 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
2431         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
2432         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
2433         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
2434         * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
2435         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
2436         stack pointer register.
2437         (output_movhi): Remove code for interrupt specific writing to the 
2438         stack pointer register.
2440 2008-05-31  Richard Guenther  <rguenther@suse.de>
2442         PR tree-optimization/34244
2443         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
2444         (tree_expr_nonzero_warnv_p): Likewise.
2445         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
2446         ssa_name_nonnegative_p.
2447         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
2448         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
2449         not tree_expr_nonzero_warnv_p.
2451         PR tree-optimization/36262
2452         Revert
2453         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
2455         PR tree-optimization/34244
2456         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
2457         (record_numbers_of_iterations): New function.
2458         (execute_vrp): Cache the numbers of iterations of loops.
2459         * tree-scalar-evolution.c (scev_reset_except_niters):
2460         New function.
2461         (scev_reset): Use scev_reset_except_niters.
2462         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
2464 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2466         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2467         __WORKAROUND_RETS when appropriate.
2469 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
2471         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
2472         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
2473         mode iterator.
2474         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
2475         *fop_df_comm_sse insn patterns using MODEF mode iterator.
2476         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
2477         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
2478         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
2479         *fop_df_1_mixed insn patterns using MODEF mode iterator.
2480         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
2481         *fop_df_1_sse insn patterns using MODEF mode iterator.
2482         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
2483         *fop_df_1_i387 insn patterns using MODEF mode iterator.
2484         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
2485         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
2486         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
2487         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
2488         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
2489         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
2490         (*fop_xf_4_i387): Use <MODE> for mode attribute.
2491         (*fop_xf_5_i387): Ditto.
2492         (*fop_xf_6_i387): Ditto.
2494 2008-05-30  Richard Guenther  <rguenther@suse.de>
2496         * builtins.c (build_string_literal): Avoid generating
2497         a non-gimple_val result.
2499 2008-05-30  DJ Delorie  <dj@redhat.com>
2501         * exec-tool.in: Use an environment variable (private) instead of a
2502         file (shared) as a semaphore, so as to not break parallel builds.
2504 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
2506         * optabs.c (maybe_encapsulate_block): Remove.
2507         (emit_libcall_block): Adjust accordingly.
2508         * optabs.h (maybe_encapsulate_block): Remove prototype.
2510         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
2511         Don't use maybe_encapsulate_block.
2513 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
2515         * config/rs6000/rs6000.c (rs6000_legitimize_address,
2516         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
2517         rtx is a SYMBOL_REF before calling get_pool_constant.
2519 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
2521         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
2523 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
2525         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
2526         rather than OS names to choose INO_T_EQ definition.
2527         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
2528         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
2530 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
2532         PR target/36348
2533         * config/darwin-f.c: New.
2534         * config/t-darwin: Added rule to build darwin-f.o.
2535         * config.gcc: Defined new variable, fortran_target_objs.
2536         (*-*-darwin*): Set fortran_target_objs.
2537         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
2538         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
2539         * configure: Regenerated.
2541 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
2543         PR target/35771
2544         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
2545         canonical type if needed.
2547 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
2549         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
2551 2008-05-29  Richard Guenther  <rguenther@suse.de>
2553         PR tree-optimization/36343
2554         PR tree-optimization/36346
2555         PR tree-optimization/36347
2556         * tree-flow.h (clobber_what_p_points_to): Declare.
2557         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
2558         pointed-to variable is dereferenced is irrelevant to whether
2559         the pointer can access the pointed-to variable.
2560         (clobber_what_p_points_to): New function.
2561         * tree-ssa-alias.c (set_initial_properties): Use it.
2562         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
2563         call clobber check for NMTs.
2565 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
2566         
2567         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
2568         for printing gcov_type.
2570 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
2572         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
2573         and the eh region information.
2574         * value-prof.c (gimple_move_stmt_histograms): New function.
2575         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
2577 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
2579         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
2581 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
2583         * value-prof.c (tree_ic_transform): Print counts.
2584         * tree-profile.c (tree_gen_ic_func_profiler):
2585         Clear __gcov_indreict_call_callee variable to avoid misattribution
2586         of the profile.
2588 2008-05-28  Rafael Espindola  <espindola@google.com>
2590         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
2591         invalid sharing.
2593 2008-05-28  Richard Guenther  <rguenther@suse.de>
2595         PR tree-optimization/36339
2596         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
2597         and clobbering code out of the loop.
2599 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2601         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
2602         letters defined.
2604         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
2605         s390_contiguous_bitmask_p, s390_symref_operand_p,
2606         s390_check_symref_alignment, s390_reload_larl_operand,
2607         s390_reload_symref_address): New functions.
2608         (s390_branch_condition_mnemonic): Support compare and branch
2609         instructions.
2610         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
2611         and 'W' constraints.
2612         (s390_secondary_reload): Add secondary reloads for unaligned
2613         symbol refs or symbol refs to floating point or QI/TI mode
2614         integer values.
2615         (legitimate_address_p): Accept symbol references as addresses.
2616         (s390_expand_insv): Use rotate and insert selected bits
2617         instruction for insv when building for z10.
2618         (print_operand_address): Handle symbol ref addresses.
2619         (print_operand): Output modifier 'c' added for signed byte values.
2620         (s390_encode_section_info): Mark symbol refs with
2621         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
2623         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
2624         (length attribute): RRF, RRR have 4 byte length.
2625         (FPALL, INTALL): New mode iterators added.
2626         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
2627         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
2628         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
2629         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
2630         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
2631         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
2632         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
2633         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
2634         instructions.
2635         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
2636         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
2637         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
2638         reload<INTALL:mode><P:mode>_toreg_z10,
2639         reload<FPALL:mode><P:mode>_tomem_z10,
2640         reload<FPALL:mode><P:mode>_toreg_z10,
2641         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
2642         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
2643         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
2644         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
2645         definition.
2646         (movmem, clrmem, cmpmem): New splitters added.
2648         * config/s390/predicates.md (larl_operand): Use
2649         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
2650         SYMBOL_REF_ALIGN1_P.
2651         (s390_signed_integer_comparison,
2652         s390_unsigned_integer_comparison): New predicates.
2654         * config/s390/s390-protos.h (s390_check_symref_alignment,
2655         s390_contiguous_bitmask_p, s390_reload_larl_operand,
2656         s390_reload_symref_address,
2657         s390_compare_and_branch_condition_mask): Prototypes added.
2659         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
2660         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
2661         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
2663 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2665         * config/s390/s390.c (z10_cost): New cost function for z10.
2666         (s390_handle_arch_option, override_options): Support -march=z10 switch.
2667         (s390_issue_rate): Adjust issue rate for z10.
2668         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
2669         (processor_flags): Add PF_Z10.
2670         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
2671         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
2672         * gcc/config.gcc: Add z10.
2674 2008-05-28  Richard Guenther  <rguenther@suse.de>
2676         PR tree-optimization/36291
2677         * tree-flow. h (struct gimple_df): Remove var_anns member.
2678         * tree-flow-inline.h (gimple_var_anns): Remove.
2679         (var_ann): Simplify.
2680         * tree-dfa.c (create_var_ann): Simplify.
2681         (remove_referenced_var): Clear alias info from var_anns of globals.
2682         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
2683         (delete_tree_ssa): Clear alias info from var_anns of globals.
2684         Do not free var_anns.
2685         (var_ann_eq): Remove.
2686         (var_ann_hash): Likewise.
2688 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
2690         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
2691         and loongson2f entries.
2692         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
2693         * config/mips/mips.h (processor_type): Add Loongson-2E
2694         and Loongson-2F entries.
2695         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
2696         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
2697         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
2698         * doc/invoke.texi (MIPS Options): Document loongson2e
2699         and loongson2f processor names.
2701 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
2703         PR target/35767
2704         PR target/35771
2705         * config/i386/i386.c (ix86_function_arg_boundary): Use
2706         alignment of canonical type.
2707         (ix86_expand_vector_move): Check unaligned memory access for
2708         all SSE modes.
2710 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
2712         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
2713         Moved to the front of file.
2715 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
2716             H.J. Lu  <hongjiu.lu@intel.com>
2718         * dwarf2out.c (current_fde): New.
2719         (add_cfi): Use it.
2720         (lookup_cfa:): Likewise.
2721         (dwarf2out_end_epilogue): Likewise.
2722         (dwarf2out_note_section_used): Likewise.
2724 2008-05-27  Michael Matz  <matz@suse.de>
2726         PR c++/27975
2727         * c.opt (Wenum-compare): New warning option.
2728         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
2730 2008-05-27  Michael Matz  <matz@suse.de>
2732         PR middle-end/36326
2733         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
2734         non-BLKmode types.
2735         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
2736         into memory as tail calls.
2738 2008-05-27  Richard Guenther  <rguenther@suse.de>
2740         PR tree-optimization/36339
2741         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
2742         pointers cause all addressable variables to be call clobbered.
2744 2008-05-27  Richard Guenther  <rguenther@suse.de>
2746         PR tree-optimization/36245
2747         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
2749 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2751         * config/s390/s390.md: Replace all occurences of the 'm'
2752         constraint with 'RT'.
2754 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2756         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
2757         definitions added.
2758         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
2759         "*movdi_64".
2760         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
2761         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
2762         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
2764 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2766         * reload.c: (find_reloads): Skip alternatives according to the
2767         "enabled" attribute. Constify the constraint variable.
2768         * recog.c (get_attr_enabled): Add default implementation.
2769         (extract_insn): Set the alternative_enabled_p array
2770         in the recog_data struct.
2771         (preprocess_constraints, constrain_operands): Skip
2772         alternatives according to the "enabled" attribute
2773         * recog.h (struct recog_data): New field alternative_enabled_p.
2774         (skip_alternative): New inline function.
2775         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
2776         (record_reg_classes): Skip alternative according to the
2777         "enabled" attribute.
2779         * doc/md.texi: Add documention for the "enabled" attribute.
2781 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
2783         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
2784         * postreload.c (reload_cse_simplify_operands): Replace 'm'
2785         constraint with TARGET_MEM_CONSTRAINT.
2786         * recog.c (asm_operand_ok, preprocess_constraints,
2787         constrain_operands): Likewise.
2788         * regclass.c (record_reg_classes): Likewise.
2789         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
2790         * reload1.c (maybe_fix_stack_asms): Likewise.
2791         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
2792         * recog.h: Adjust comment.
2793         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
2794         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
2795         * doc/md.texi: Add a note to description of 'm' constraint.
2796         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
2798 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
2800         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
2801         that the bitfield is of integral type before testing its precision.
2803 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2804             Sa Liu  <saliu@de.ibm.com> 
2806         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
2807         __modti3, __udivti3, __umodti3 and __udivmodti4.
2808         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
2809         that implement TImode mul and div functions.
2810         * config/spu/multi3.c: New. Implement __multi3.
2811         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
2812         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
2813         functions on SPU.
2815 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
2817         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
2818         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
2819         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
2820         tls_sysv_suffix): New mode and mode attribute iterators.
2821         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
2822         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
2823         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
2824         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
2825         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
2826         iterators.
2828 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
2830         PR tree-optimization/36329
2831         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
2832         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
2833         * cgraphbuild.c (initialize_inline_failed): Use the latter
2834         macro in lieu of the former.
2835         * ipa-inline.c (cgraph_mark_inline): Likewise.
2836         (cgraph_decide_inlining_of_small_function): Likewise.
2837         (cgraph_decide_inlining): Likewise.
2838         (cgraph_decide_inlining_incrementally): Likewise.
2840 2008-05-26  Tristan Gingold  <gingold@adacore.com>
2841             Anatoly Sokolov  <aesok@post.ru>
2843         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
2844         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
2845         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
2846         optimization for 'avr6' architecture.
2848 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
2850         PR target/34932
2851         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
2853 2008-05-26  Richard Guenther  <rguenther@suse.de>
2855         * tree-ssa-sccvn.c (expr_has_constants): Declare.
2856         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
2858 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
2860         PR middle-end/36253
2861         * caller-save.c (insert_restore): Verify alignment of spill space.
2862         (insert_save): Likewise.
2863         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
2864         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
2865         (STACK_SLOT_ALIGNMENT): Likewise.
2866         * function.c (LOCAL_ALIGNMENT): Removed.
2867         (get_stack_local_alignment): New.
2868         (assign_stack_local): Use it.  Set alignment on stack slot.
2869         (assign_stack_temp_for_type): Use get_stack_local_alignment.
2870         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
2871         (STACK_SLOT_ALIGNMENT): New.
2872         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
2873         stack slot in XFmode.
2875         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
2877 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
2879         PR/36321
2880         * config/i386/i386.md (allocate_stack_worker_64): Make sure
2881         argument operand in rax isn't removed.
2883 2008-05-26  Richard Guenther  <rguenther@suse.de>
2885         PR middle-end/36300
2886         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
2887         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
2889 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2891         PR bootstrap/36331
2892         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
2894 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
2896         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
2897         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
2899 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2901         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
2902         build a trampoline if we don't want one.
2903         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
2904         return zero for nested functions if we don't want a trampoline.
2906 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2908         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
2910 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
2912         PR fortran/18428
2913         * c.opt: Removed undocumented option '-lang-fortran'.
2914         * c-common.h: Removed global variable 'lang_fortran'.
2915         * c-opts.c (c_common_handle_option): Removed code to handle
2916         option '-lang-fortran'. Updated includes.
2917         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
2918         definition of '__GFORTRAN__'.
2919         (define__GNUC__): Reimplemented to use BASEVER and
2920         cpp_define_formatted.
2921         (builtin_define_with_value_n): Removed.
2922         * c-incpath.h: Renamed to ...
2923         * incpath.h: ... this.
2924         * c-incpath.c: Renamed to ...
2925         * incpath.c: ... this. Updated includes.
2926         * fix-header.c: Updated includes.
2927         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
2928         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
2929         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
2931 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2933         * tree.h: Update the table of flags used on tree nodes.
2934         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
2935         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
2936         (FORCED_LABEL): Add access check.
2937         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
2938         (ASM_INPUT_P): Likewise.
2939         (ASM_VOLATILE_P): Likewise.
2940         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
2941         (OMP_SECTION_LAST): Access private_flag directly.
2942         (OMP_RETURN_NOWAIT): Likewise.
2943         (OMP_PARALLEL_COMBINED): Likewise.
2944         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
2945         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
2946         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
2947         deprecated_flag directly.
2949 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
2951         * final.c (frame_pointer_needed): Removed.
2952         * flags.h (frame_pointer_needed): Likewise.
2954         * function.h (rtl_data): Add frame_pointer_needed.
2955         (frame_pointer_needed): New.
2957 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
2959         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
2961 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
2963         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
2964         SRC is a REG.
2966 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
2968         * c-common.c (strip_array_types): Move function to..
2969         * tree.c: ..here.
2970         (get_inner_array_type): Delete.
2971         * c-common.h (strip_array_types): Move declaration to..
2972         * tree.h: ..here.
2973         (get_inner_array_type): Delete.
2974         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
2975         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
2976         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
2977         * config/pa/pa.c (emit_move_sequence): Likewise.
2979 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
2981         * config/i386/i386.md (*sse_prologue_save_insn): Set length
2982         attribute to 34.
2984 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
2986         * function.c: Include target hook for nonlocal_goto frame value.
2988 2008-05-24  Richard Guenther  <rguenther@suse.de>
2990         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
2991         variable can be only accessed through a pointer or a union.
2993 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2995         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
2996         * doc/extend.texi: Likewise.
2998 2008-05-23  DJ Delorie  <dj@redhat.com>
3000         * config/m32c/jump.md (untyped_call): Add.
3002         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
3003         for A24 to PSImode.
3004         (m32c_address_cost): Detail costs for indirect offsets.
3006 2008-05-23  Rafael Espindola  <espindola@google.com>
3008         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
3009         if a node is a SUBREG.
3010         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
3011         is a SUBREG.
3013 2008-05-23  Paul Brook  <paul@codesourcery.com>
3014             Carlos O'Donell  <carlos@codesourcery.com>
3016         * doc/extend.texi: Clarify use of __attribute__((naked)).
3017         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
3018         * target.h (gcc_target): Add allocate_stack_slots_for_args.
3019         * function.c (use_register_for_decl): Use
3020         targetm.calls.allocate_stack_slots_for_args.
3021         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
3022         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
3023         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
3025 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
3027         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
3029 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
3031         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
3032         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
3033         is only rounded once.
3035 2008-05-23  Richard Guenther  <rguenther@suse.de>
3037         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
3039 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
3040             Jakub Jelinek  <jakub@redhat.com>
3042         PR target/36079
3043         * configure.ac: Handle --enable-cld.
3044         * configure: Regenerated.
3045         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
3046         * config/i386/i386.h (struct machine_function): Add needs_cld field.
3047         (ix86_current_function_needs_cld): New define.
3048         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
3049         (cld): New isns pattern.
3050         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
3051         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
3052         * config/i386/i386.opt (mcld): New option.
3053         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
3054         TARGET_CLD and ix86_current_function_needs_cld.
3055         (override_options): Use -mcld by default for 32-bit code if
3056         USE_IX86_CLD.
3058         * doc/install.texi (Options specification): Document --enable-cld.
3059         * doc/invoke.texi (Machine Dependent Options)
3060         [i386 and x86-64 Options]: Add -mcld option.
3061         (Intel 386 and AMD x86-64 Options): Document -mcld option.
3063 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
3064         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
3065         (return_in_memory_64): Likewise.
3066         (return_in_memory_ms_64): Likewise.
3068 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3070         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
3071         * builtins.c (fold_builtin_fpclassify): New.
3072         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
3073         * builtins.def (BUILT_IN_FPCLASSIFY): New.
3074         * c-common.c (handle_type_generic_attribute): Adjust to accept
3075         fixed arguments before an elipsis.
3076         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
3077         * doc/extend.texi: Document __builtin_fpclassify.
3079 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
3081         * omp-low.c (gate_expand_omp_ssa): Remove.
3082         (pass_expand_omp_ssa): Remove.
3083         (gate_expand_omp): Do not check for flag_openmp_ssa.
3084         * common.opt (-fopenmp-ssa): Remove.
3085         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
3087 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3089         * config/sh/sh.opt (mfixed-range): New option.
3090         * config/sh/sh-protos.h (sh_fix_range): Declare.
3091         * config/sh/sh.c (sh_fix_range): New function.
3092         * config/sh/sh.h (sh_fixed_range_str): Declare.
3093         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
3094         is not empty.
3095         * doc/invoke.texi (SH Options): Document -mfixed-range.
3097 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
3099         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
3100         it before the redeclaration.
3102 2008-05-22  Anatoly Sokolov <aesok@post.ru>
3104         * config/avr/avr.c (get_sequence_length): Add new function.
3105         (expand_prologue, expand_epilogue): Remove duplicate code.
3107 2008-05-22  Rafael Espindola  <espindola@google.com>
3109         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
3110         sharing.
3112 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
3114         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
3115         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
3117         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
3118         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
3119         (vect_update_misalignment_for_peel): Likewise.
3120         (vector_alignment_reachable_p): Likewise.
3121         * tree-vect-transform.c (vectorizable_load): Likewise.
3122         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
3123         (get_vectype_for_scalar_type): Pass mode of scalar_type
3124         to UNITS_PER_SIMD_WORD.
3126         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
3127         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
3128         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
3129         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
3130         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
3132 2008-05-22  Ira Rosen  <irar@il.ibm.com>
3134         PR tree-optimization/36293
3135         * tree-vect-transform.c (vect_transform_strided_load): Don't check
3136         if the first load must be skipped because of a gap.
3138 2008-05-22  Richard Guenther  <rguenther@suse.de>
3140         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
3141         more cases of offset disambiguation that is possible if
3142         strict-aliasing rules apply.
3143         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
3144         for basic offset and type-based disambiguation.
3146 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3148         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
3149         ix86_expand_vector_set on V16QImode for SSE4.1.
3151 2008-05-21  Tom Tromey  <tromey@redhat.com>
3153         * c.opt (Wimport): Mark as undocumented.
3154         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
3155         -Wno-import.
3156         (Warning Options): Likewise.
3157         * doc/cppopts.texi: Don't mention -Wimport.
3159 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
3161         PR tree-optimization/36287
3162         PR tree-optimization/36286
3163         * lambda-code.c (build_access_matrix): Do not use the loop->num
3164         for computing the number of induction variables: use the loop depth
3165         instead.
3167 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
3169         PR/36280
3170         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
3171         option -f(no-)leading-underscore.
3173 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3175         * config/i386/i386.c (ix86_expand_vector_init_general): Use
3176         GET_MODE_NUNITS (mode).
3178 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
3180         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
3181         (-mmulhw): Add 464 to description.
3182         (-mdlmzb): Likewise.
3183         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
3184         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
3185         464fp entries.
3186         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
3187         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
3188         * config/rs6000/rs6000.md: Update comments for 464.
3190 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
3192         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
3194 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3196         * config/i386/sse.md (vec_extractv4sf): Removed.
3197         (vec_extractv2df): Likewise.
3198         (vec_extractv2di): Likewise.
3199         (vec_extractv4si): Likewise.
3200         (vec_extractv8hi): Likewise.
3201         (vec_extractv16qi): Likewise.
3202         (vec_extract<mode>): New.
3204 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3206         * config/i386/sse.md (vec_setv4sf): Removed.
3207         (vec_setv2df): Likewise.
3208         (vec_setv2di): Likewise.
3209         (vec_setv4si): Likewise.
3210         (vec_setv8hi): Likewise.
3211         (vec_setv16qi): Likewise.
3212         (vec_set<mode>): New.
3214 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3216         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
3217         goto for vec_concat and vec_interleave.
3219 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3221         * config/i386/sse.md (vec_initv4sf): Removed.
3222         (vec_initv2df): Likewise.
3223         (vec_initv2di): Likewise.
3224         (vec_initv4si): Likewise.
3225         (vec_initv8hi): Likewise.
3226         (vec_initv16qi): Likewise.
3227         (vec_init<mode>): New.
3229 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
3231         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
3233 2008-05-21  Tom Tromey  <tromey@redhat.com>
3235         * ggc-zone.c (lookup_page_table_if_allocated): New function.
3236         (zone_find_object_offset): Likewise.
3237         (gt_ggc_m_S): Likewise.
3238         (highest_bit): Likewise.
3239         * ggc-page.c (gt_ggc_m_S): New function.
3240         * stringpool.c (string_stack): Remove.
3241         (init_stringpool): Update.
3242         (ggc_alloc_string): Use ggc_alloc.
3243         (maybe_delete_ident): New function.
3244         (ggc_purge_stringpool): Likewise.
3245         (gt_ggc_m_S): Remove.
3246         * ggc-common.c (ggc_protect_identifiers): New global.
3247         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
3248         ggc_protect_identifiers.
3249         * ggc.h (ggc_protect_identifiers): Declare.
3250         (gt_ggc_m_S): Update.
3251         (ggc_purge_stringpool): Declare.
3252         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
3253         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
3254         special case.
3255         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
3257 2008-05-21  David S. Miller  <davem@davemloft.net>
3259         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
3260         tmake_file.
3262 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
3264         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
3265         once finished.
3267 2008-05-20  David Daney  <ddaney@avtrex.com>
3269         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
3270         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
3271         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
3272         UNSPEC_UPDATE_GOT_VERSION): Renumber.
3273         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
3274         (atomic_hiqi_op): New define_code_iterator.
3275         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
3276         mips_expand_compare_and_swap_12.
3277         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
3278         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
3279         (sync_<optab><mode>, sync_old_<optab><mode>,
3280         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
3281         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
3282         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
3283         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
3284         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
3285         (test_and_set_12): New insn.
3286         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
3287         sync_new_<optab><mode>, sync_old_nand<mode>,
3288         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
3289         clobber to operand 0 for SI and DI mode insns.
3290         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
3291         mips_gen_fn_4): New typedefs.
3292         (mips_gen_fn_ptrs): Define new union type.
3293         (mips_expand_compare_and_swap_12): Remove declaration.
3294         (mips_expand_atomic_qihi): Declare function.
3295         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
3296         (mips_expand_atomic_qihi): ... this.  Use new generator function
3297         parameter.
3298         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
3299         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
3300         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
3301         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
3302         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
3303         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
3304         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
3305         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
3306         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
3307         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
3308         New macros.
3310 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
3312         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
3313         the missing break.
3315 2008-05-20  Anatoly Sokolov <aesok@post.ru>
3317         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
3318         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
3319         (avr_attribute_table): Add 'OS_main' function attribute.
3320         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
3321         functions with 'OS_main' attribute.
3323 2008-05-20  Richard Guenther  <rguenther@suse.de>
3325         PR tree-optimization/35204
3326         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
3327         helper, split out from ...
3328         (DFS): ... here.  Make the DFS walk non-recursive.
3330 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
3331             Jan Sjodin  <jan.sjodin@amd.com>
3333         PR tree-optimization/36181
3334         * tree-parloops.c (loop_has_vector_phi_nodes): New.
3335         (parallelize_loops): Don't parallelize when the loop has vector
3336         phi nodes.
3338 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
3339             Sebastian Pop  <sebastian.pop@amd.com>
3341         * tree-loop-linear.c (gather_interchange_stats): Look in the access
3342         matrix, and never look at the tree representation of the memory
3343         accesses.
3344         (linear_transform_loops): Computes parameters and access matrices.
3345         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
3346         when fails.
3347         (access_matrix_get_index_for_parameter): New.
3348         * tree-data-ref.h (struct access_matrix): New.
3349         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
3350         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
3351         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
3352         am_vector_index_for_loop): New.
3353         (struct data_reference): Add field access_matrix.
3354         (DR_ACCESS_MATRIX): New.
3355         (compute_data_dependences_for_loop): Update declaration.
3356         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
3357         * lambda.h (lambda_vector_vec_p): Declared.
3358         * lambda-code.c: Depend on pointer-set.h.
3359         (lambda_collect_parameters_from_af, lambda_collect_parameters,
3360         av_for_af_base, av_for_af, build_access_matrix,
3361         lambda_compute_access_matrices): New.
3362         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
3364 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
3366         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
3367         $SOURCEDIR/include.
3369 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
3370             Sebastian Pop  <sebastian.pop@amd.com>
3372         PR tree-optimization/36206
3373         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
3374         FOLD_CONVERSIONS.
3375         (instantiate_scev_1): Rename flags to fold_conversions.
3376         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
3377         outeside instantiation_loop.
3378         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
3379         (evolution_function_is_affine_or_constant_p): Removed.
3380         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
3381         instantiate_scev.
3382         (analyze_siv_subscript): Pass in the loop nest number.
3383         Call evolution_function_is_affine_in_loop instead of 
3384         evolution_function_is_affine_p.
3385         (analyze_overlapping_iterations): Pass in the loop nest number.
3387 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
3388             Sebastian Pop  <sebastian.pop@amd.com>
3390         PR tree-optimization/36206
3391         * tree-chrec.h (chrec_fold_op): New.
3392         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
3393         and other trees.
3395 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
3397         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
3398         (DIRS_EQ): New.
3399         (remove_duplicates): Do not set inode on non-inode systems.
3400         Use DIRS_EQ.
3402 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
3404         * config.gcc (tm_file): Update comments about relative pathnames.
3406 2008-05-20  Richard Guenther  <rguenther@suse.de>
3408         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
3409         * tree-ssa-sccvn.c (process_scc): Likewise.
3410         * tree-ssa-sink.c (execute_sink_code): Likewise.
3411         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
3412         * tree-vrp.c (process_assert_insertions): Likewise.
3413         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
3414         (perform_tree_ssa_dce): Likewise.
3415         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
3416         (dump_dominator_optimization_stats): Likewise.
3417         * tree-vectorizer.c (vectorize_loops): Likewise.
3419 2008-05-20  Richard Guenther  <rguenther@suse.de>
3421         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
3423 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
3425         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
3426         (ix86_i386elf_return_in_memory): Likewise.
3427         (ix86_i386interix_return_in_memory): Likewise.
3428         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
3429         (SUBTARGET_RETURN_IN_MEMORY): New.
3430         * config/i386/i386elf.h: Likewise.
3431         * config/i386/ptx4-i.h: Likewise.
3432         * config/i386/sol2-10.h: Likewise.
3433         * config/i386/sysv4.h: Likewise.
3434         * config/i386/vx-common.h: Likewise.
3435         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
3436         * config/i386/i386.c (ix86_return_in_memory): Made static and
3437         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
3438         (ix86_i386elf_return_in_memory): Removed.
3439         (ix86_i386interix_return_in_memory): Removed.
3440         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
3441         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
3443 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
3445         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
3447 2008-05-19  Xinliang David Li  <davidxl@google.com>
3449         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
3450         * opts.c: Ditto.
3451         * common.opt: Ditto.
3452         * doc/invoke.texi: Ditto.
3454 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
3456         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
3457         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
3459 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
3461         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
3462         sizes of operand array from 8/4 to 4/2.
3463         (ix86_expand_vector_init_general): Change size of operand array
3464         from 32 to 16.  Remove op0, op1 and half_mode.
3466 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
3468         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
3469         (ix86_expand_vector_init_interleave): Likewise.
3470         (ix86_expand_vector_init_general): Use them.  Assert
3471         word_mode == SImode when n_words == 4.
3473 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
3475         * config/i386/i386.c (ix86_secondary_reload): New static function.
3476         (TARGET_SECONDARY_RELOAD): New define.
3477         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
3478         * config/i386/i386.md (reload_outqi): Remove.
3480 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3482         PR middle-end/35509
3483         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
3484         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
3485         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
3486         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
3487         (fold_builtin_1): Likewise.
3488         * builtins.def (BUILT_IN_ISINF_SIGN): New.
3489         c-common.c (check_builtin_function_arguments): Handle
3490         BUILT_IN_ISINF_SIGN.
3491         * doc/extend.texi: Document __builtin_isinf_sign.
3492         * fold-const.c (operand_equal_p): Handle COND_EXPR.
3494 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
3496         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
3497         EH cleanup at the end of the pass, search for those that have been
3498         turned into forwarder blocks and do the cleanup on their successor.
3500 2008-05-18  Richard Guenther  <rguenther@suse.de>
3502         * tree-cfg.c (verify_gimple_expr): Allow conversions from
3503         pointers to sizetype and vice versa.
3505 2008-05-18 Xinliang David Li   <davidxl@google.com>
3507         * gcc/tree-ssa-dce.c: Coding style fix.
3508         (check_pow): Documentation comment. 
3509         (check_log): Documenation comment. Coding style fix.
3510         (is_unnecessary_except_errno_call): Ditto.
3511         (gen_conditions_for_pow): Ditto.
3512         (gen_conditions_for_log): Ditto.
3513         (gen_shrink_wrap_conditions): Ditto.
3514         (shrink_wrap_one_built_in_calls): Ditto.
3515         * gcc/doc/invoke.texi: Better documentation string.
3516         * ChangeLog: Fix wrong change log entries from 
3517         May 17 checkin on function call DCE.
3519 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3521         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
3523 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
3525         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
3526         * df-problems.c (simulation routines): Fixed block comment to
3527         properly say how to add forwards scanning functions.
3528         
3529 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
3531         * tree-inline.c (setup_one_parameter): Remove dead code.
3533 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
3535         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
3536         a BIT_AND_EXPR only for an INTEGER_TYPE.
3538 2008-05-17 Xinliang David Li   <davidxl@google.com>
3540         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
3541         (check_pow, check_log, is_unnecessary_except_errno_call): New 
3542         functions to check for eliminating math functions that are pure 
3543         except for setting errno.
3544         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
3545         general condition expressions for shrink-wrapping pow/log calls.
3546         (gen_shrink_wrap_conditions): Ditto.
3547         (shrink_wrap_one_built_in_call): Ditto.
3548         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
3549         (mark_operand_necessary): If debugging, output if OP is necessary.
3550         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
3551         unnecessary.
3552         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
3553         opt level >= 2.
3554         * gcc/common.opt: New user flag -ftree-builtin-dce.
3555         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
3557 2008-05-16  David S. Miller  <davem@davemloft.net>
3559         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
3560         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
3562 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
3564         PR target/36246
3565         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
3567 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3569         * ifcvt.c (dead_or_predicable): Rename
3570         df_simulate_one_insn_backwards to df_simulate_one_insn.
3571         * recog.c (peephole2_optimize): Ditto.
3572         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
3573         Ditto.
3574         * df.h: Rename df_simulate_one_insn_backwards to
3575         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
3576         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
3577         scanning of defs and uses.
3578         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
3579         (df_simulate_one_insn_forwards): Removed.
3581 2008-05-16  Doug Kwan  <dougkwan@google.com>
3583         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
3584         QNaN & SNaN.
3585         (real_from_string): Handle NaNs and Inf as approriate.
3587 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
3589         * doc/gty.texi (Source Files Containing Type Information): Note
3590         that headers should appear first in the gtfiles list.
3592 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3594         * tree.def (COND_EXEC): Properly documented this code.
3596 2008-05-16  Diego Novillo  <dnovillo@google.com>
3598         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
3599         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
3600         the new field.
3602 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3604         * tree-ssa-dse (max_stmt_uid): Removed.
3605         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
3606         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
3607         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
3608         * function.h (cfun.last_stmt_uid): New field.
3609         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
3610         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
3611         New functions.
3612         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
3613         (create_stmt_ann): Initialize the ann->uid field.
3614         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
3615         with new calls.
3616         * tree-flow.h (renumber_gimple_stmt_uids): New function.
3618 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
3620         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
3621         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
3622         (init_empty_tree_cfg): Call it.
3624 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3626         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
3627         Update all users.
3629 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
3631         * doc/invoke.text (-fdump-tree-*-verbose): New option.
3632         * tree-dump.c (dump_options): New verbose option.
3633         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
3634         Add verbose dump.
3635         * tree-pass.h (TDF_VERBOSE): New dump flag.
3636         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
3637         (tree-flow.h): Added include.
3638         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
3640 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3642         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
3644         From Jie Zhang  <jie.zhang@analog.com>
3645         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3646         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
3647         mcpu=bf561-none and mcpu=bf561-0.2.
3648         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3649         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
3650         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3651         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
3652         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
3653         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
3654         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
3655         option.
3656         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
3657         (cputype_selected): Remove.
3658         (bfin_handle_option): Don't use cputype_selected.
3659         (override_options): When no mcpu option, enable all workarounds.
3660         Don't use bfin_workarounds.
3661         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
3662         processor type.
3663         (DEFAULT_CPU_TYPE): Don't define.
3665 2008-05-16  Richard Guenther  <rguenther@suse.de>
3667         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
3668         on deletion of the last stmt.
3670 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3672         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
3673         V8HImode for SSE2 and V16QImode for SSE4.1.
3675 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
3677         * cgraph.h (compute_inline_parameters): Made public.
3678         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
3679         variable_generate_summary, function_write_summary,
3680         variable_write_summary, variable_read_summary.  Added generate_summary,
3681         write_summary, read_summary.
3682         * cgraphunit.c (cgraph_process_new_functions): Changed call from
3683         pass_ipa_inline.function_generate_summary, to
3684         compute_inline_parameters. 
3685         * ipa-inline.c (compute_inline_parameters): Made public and added
3686         node parameter.
3687         (compute_inline_parameters_for_current): New function.
3688         (pass_inline_param): Now calls compute_inline_parameters_for_current.
3689         (inline_generate_summary): Removed parameter and made to loop over
3690         all cgraph nodes.
3691         (pass_ipa_inline): Updated for new IPA_PASS structure.
3692         * passes.c (execute_ipa_summary_passes): Now is called once per
3693         pass rather than once per node*pass.
3694         
3695 2008-05-15  Anatoly Sokolov <aesok@post.ru>
3697         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
3698         avr_have_mul_p, avr_asm_only_p): Remove variables.
3699         (avr_override_options): Remove initialization of removed variables.
3700         (avr_file_start):  Convert removed variables to fields of 
3701         'struct base_arch_s *avr_current_arch'. 
3702         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
3703         (AVR_HAVE_MUL): (Ditto.).
3704         (AVR_HAVE_MOVW): (Ditto.).
3705         (AVR_HAVE_LPMX): (Ditto.). 
3706         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
3707         avr_asm_only_p): Remove declaration.
3709 2008-05-15  Diego Novillo  <dnovillo@google.com>
3711         * config/arm/arm.c (arm_return_in_memory): Fix return type.
3712         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
3714 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
3716         PR middle-end/36194
3717         * combine.c (check_conversion): Rename back to check_promoted_subreg.
3718         Don't call record_truncated_value from here.
3719         (record_truncated_value): Turn it into a for_each_rtx callback.
3720         (record_truncated_values): New function.
3721         (combine_instructions): Call note_uses with record_truncated_values.
3722         Change name of check_conversion to check_promoted_subreg. 
3724 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
3726         * doc/sourcebuild.texi: Document support for torture tests.
3728 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
3730         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
3731         to alternative 4 of operand 2.
3733 2008-05-15  Richard Guenther  <rguenther@suse.de>
3735         * tree-pass.h (current_pass): Declare.
3736         (get_pass_for_id): Likewise.
3737         * passes.c (passes_by_id, passes_by_id_size): New globals.
3738         (set_pass_for_id): New function.
3739         (get_pass_for_id): Likewise.
3740         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
3741         (execute_function_todo): Flush per function statistics.
3742         * toplev.c (compile_file): Init statistics.
3743         (general_init): Do early statistics initialization.
3744         (finalize): Finish statistics.
3745         * statistics.h (statistics_early_init): Declare.
3746         (statistics_init): Likewise.
3747         (statistics_fini): Likewise.
3748         (statistics_fini_pass): Likewise.
3749         (statistics_counter_event): Likewise.
3750         (statistics_histogram_event): Likewise.
3751         * statistics.c: New file.
3752         * Makefile.in (OBJS-common): Add statistics.o.
3753         (statistics.o): Add dependencies.
3754         * doc/invoke.texi (-fdump-statistics): Document.
3756         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
3757         (insert): Likewise.
3758         (execute_pre): Use statistics_counter_event.
3759         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
3760         (substitute_and_fold): Increment it.  Use statistics_counter_event.
3762 2008-05-15  Diego Novillo  <dnovillo@google.com>
3764         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
3766         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
3767         * tree-ssa-alias.c (new_type_alias): Remove references to
3768         sub-variables from comment.
3769         * tree-ssa-operands.c (swap_tree_operands): Likewise.
3771 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3773         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
3774         attribute to 1 only for insertps alternative.
3776 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
3778         * config/bfin/bfin.md (loadbytes): New pattern.
3779         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
3780         (bfin_init_builtins): Initialize it.
3781         (bdesc_1arg): Add it.
3783 2008-05-15  Sa Liu  <saliu@de.ibm.com>
3785         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
3786         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
3787         * testsuite/lib/target-supports.exp: Add
3788         check_effective_target_fortran_integer_16.
3790 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
3792         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
3793         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
3794         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
3795         (TARGET_RETURN_IN_MEMORY): Define.
3797 2008-05-15  Richard Guenther  <rguenther@suse.de>
3799         PR middle-end/36244
3800         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
3801         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
3802         represent unmodifiable vars.
3804 2008-05-15  Richard Guenther  <rguenther@suse.de>
3806         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
3807         INDIRECT_REF and TARGET_MEM_REF.
3808         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3809         TARGET_MEM_REF.
3811 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
3812             H.J. Lu  <hongjiu.lu@intel.com>
3814         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
3815         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
3816         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
3817         insn alternatives.  Add missing alternatives.
3818         (*vec_concatv2di_rex64_sse4_1): Likewise.
3819         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
3820         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
3821         Require TARGET_SSE.
3823 2008-05-15  Richard Guenther  <rguenther@suse.de>
3825         PR tree-optimization/36009
3826         PR tree-optimization/36204
3827         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
3828         (determine_invariantness_stmt): Record the loop a store is
3829         always executed in.
3830         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
3831         dependency.
3833 2008-05-15  Richard Guenther  <rguenther@suse.de>
3835         PR tree-optimization/34330
3836         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
3837         through the pointer will alias the SMT.
3839 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
3841         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
3843 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
3845         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
3847 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3848             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3850         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
3851         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
3852         (vashl_optab): New optab for vector/vector shifts.
3853         (vashr_optab): Ditto.
3854         (vlshr_optab): Ditto.
3855         (vrotl_optab): Ditto.
3856         (vrotr_optab): Ditto.
3857         (optab_subtype): New enum for optab_for_tree_code call.
3858         (optab_for_tree_code): Add enum optab_subtype argument.
3860         * optabs.c (optab_for_tree_code): Take an additional argument to
3861         distinguish between a vector shift by a scalar and vector shift by
3862         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
3863         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
3864         vector shift by a vector.
3865         (expand_widen_pattern_expr): Pass additional argument to
3866         optab_for_tree_code.
3868         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
3869         vrotl_optab, vrotr_optab.
3871         * expr.c (expand_expr_real_1): Update calls to
3872         optab_for_tree_code to distinguish between vector shifted by a
3873         scalar and vector shifted by a vector.
3874         * tree-vectorizer.c (supportable_widening_operation): Ditto.
3875         (supportable_narrowing_operation): Ditto.
3876         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
3877         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
3878         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
3879         (vect_create_epilog_for_reduction): Ditto.
3880         (vectorizable_reduction): Ditto.
3881         (vectorizable_operation): Ditto.
3882         (vect_strided_store_supported): Ditto.
3883         (vect_strided_load_supported): Ditto.
3884         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
3885         * expmed.c (expand_shift): Ditto.
3887         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
3888         scalar type.
3889         (ashr@var{m}3): Ditto.
3890         (vashl@var{m}3): Document new vector/vector shift standard name.
3891         (vashr@var{m}3): Ditto.
3892         (vlshr@var{m}3): Ditto.
3893         (vrotl@var{m}3): Ditto.
3894         (vrotr@var{m}3): Ditto.
3896         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
3897         (PPERM_INVERT): Ditto.
3898         (PPERM_REVERSE): Ditto.
3899         (PPERM_REV_INV): Ditto.
3900         (PPERM_ZERO): Ditto.
3901         (PPERM_ONES): Ditto.
3902         (PPERM_SIGN): Ditto.
3903         (PPERM_INV_SIGN): Ditto.
3904         (PPERM_SRC1): Ditto.
3905         (PPERM_SRC2): Ditto.
3907         * config/i386/sse.md (mulv2di3): Add SSE5 support.
3908         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
3909         allows a memory operand to be the value being added, and split it
3910         to improve vectorization.
3911         (sse5_pmacsdqh_mem): Ditto.
3912         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
3913         (sse5_mulv2div2di3_high): Ditto.
3914         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
3915         (vec_pack_trunc_v4si): Ditto.
3916         (vec_pack_trunc_v2di): Ditto.
3917         (sse5_pcmov_<mode>): Remove code that tried to use use
3918         andps/andnps instead of pcmov.
3919         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
3920         pmacsdqh instructions.
3921         (vec_widen_smult_lo_v4si): Ditto.
3923         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
3924         (PPERM_INVERT): Ditto.
3925         (PPERM_REVERSE): Ditto.
3926         (PPERM_REV_INV): Ditto.
3927         (PPERM_ZERO): Ditto.
3928         (PPERM_ONES): Ditto.
3929         (PPERM_SIGN): Ditto.
3930         (PPERM_INV_SIGN): Ditto.
3931         (PPERM_SRC1): Ditto.
3932         (PPERM_SRC2): Ditto.
3933         (ix86_expand_sse_movcc): Move the SSE5 test after the if
3934         true/false tests.
3935         (ix86_expand_int_vcond): If SSE5 generate all possible integer
3936         comparisons.
3937         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
3938         says ignore whether the last reference is a memory operand.
3940 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3941             Paolo Bonzini <bonzini at gnu dot org>
3943         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
3944         shift patterns.
3946         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
3947         (vlshr<mode>3): Rename from vlshr<mode>3.
3948         (vashr<mode>3): Rename from vashr<mode>3.
3949         (mulv4sf3): Change the names of vector shift patterns.
3950         (mulv4si3): Ditto.
3951         (negv4sf2): Ditt.
3953         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
3954         shift insns.
3956         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
3957         (SI_SHLHI): Ditto.
3958         (SI_SHL): Ditto.
3959         (SI_SHLI): Ditto.
3960         (SI_ROTH): Ditto.
3961         (SI_ROTHI): Ditto.
3962         (SI_ROT): Ditto.
3963         (SI_ROTI): Ditto.
3964         (SPU_RL_0): Ditto.
3965         (SPU_RL_1): Ditto.
3966         (SPU_RL_2): Ditto.
3967         (SPU_RL_3): Ditto.
3968         (SPU_RL_4): Ditto.
3969         (SPU_RL_5): Ditto.
3970         (SPU_RL_6): Ditto.
3971         (SPU_RL_7): Ditto.
3972         (SPU_SL_0): Ditto.
3973         (SPU_SL_1): Ditto.
3974         (SPU_SL_2): Ditto.
3975         (SPU_SL_3): Ditto.
3976         (SPU_SL_4): Ditto.
3977         (SPU_SL_5): Ditto.
3978         (SPU_SL_6): Ditto.
3979         (SPU_SL_7): Ditto.
3981         * config/spu/spu.md (v): New iterator macro to add v for vector types.
3982         (floatunssidf2_internal): Change vector/vector shift names.
3983         (floatunsdidf2_internal): Ditto.
3984         (mulv8hi3): Ditto.
3985         (ashrdi3): Ditto.
3986         (ashrti3): Ditto.
3987         (cgt_df): Ditto.
3988         (cgt_v2df): Ditto.
3989         (dftsv): Ditto.
3990         (vashl<mode>3): Rename from ashl<mode>3.
3991         (vashr<mode>3): Rename from ashr<mode>3.
3992         (vlshr<mode>3): Rename from lshr<mode>3.
3993         (vrotl<mode>3): Rename from rotl<mode>3.
3995 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
3997         PR target/36224
3998         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
3999         multiply gives the wrong value when doing widening multiplies.
4000         (vec_widen_smult_lo_v4si): Ditto.
4002 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
4004         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
4005         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
4006         emit_library_call_value. 
4007         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
4008         * tree.h (ECF_LIBCALL_BLOCK): Removed.
4009         * calls.c (initialize_argument_information, precompute_arguments, 
4010         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
4011         (precompute_arguments): Removed flags parameter.
4012         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
4013         
4014 2008-05-14  Richard Guenther  <rguenther@suse.de>
4016         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
4017         Make sure to register the store if the use is a PHI_NODE.
4019 2008-05-14  Olivier Hainque  <hainque@adacore.com>
4021         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
4022         memory if the component is to be referenced in BLKmode according
4023         to get_inner_reference.
4025 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
4027         * calls.c (emit_library_call_value_1): Restore code clearing
4028         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
4030 2008-05-14  Olivier Hainque  <hainque@adacore.com>
4031             Nicolas Roche  <roche@adacore.com>
4033         * configure.ac: Add support for a "gcc_subdir" variable in
4034         config-lang.in, to denote a subdirectory where the language/GCC
4035         integration files are to be found.
4036         * configure: Regenerate.
4038 2008-05-14  Ira Rosen  <irar@il.ibm.com>
4040         PR tree-optimization/36098
4041         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
4042         value for the first load in the group in case of a gap.
4043         (vect_build_slp_tree): Check that there are no gaps in loads.
4045 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
4047         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
4048         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
4049         expand_copysign_bit, ): Change call to emit_no_conflict_block to
4050         emit_insn and remove unneeded code to construct extra args.
4051         (emit_no_conflict_block): Removed.
4052         * optabls.h: (emit_no_conflict_block): Removed.
4053         * cse.c (cse_extended_basic_block): Remove search for
4054         REG_NO_CONFLICT note.
4055         * global.c: Removed incorrect comment added in revision 117.
4056         * expr.c (convert_move): Change call to emit_no_conflict_block to
4057         emit_insn.
4058         * recog.c: Change comments so that they do not mention
4059         REG_NO_CONFLICT.
4060         * local_alloc.c (combine_regs): Removed last parameter.
4061         (no_conflict_p): Removed.
4062         (block_alloc): Removed note, no_conflict_combined_regno and set
4063         local vars. Removed all code to process REG_NO_CONFLICT blocks.
4064         (combine_regs): Removed already_dead and code to look for
4065         REG_NO_CONFLICT notes.
4066         * lower_subreg (remove_retval_note): Removed code to look for
4067         REG_NO_CONFLICT block.
4068         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
4069         (resolve_clobber): Remove code to process libcalls that have
4070         REG_NO_CONFLICT notes.
4071         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
4072         case.
4073         * combine.c (can_combine_p, distribute_notes):  Removed
4074         REG_NO_CONFLICT case.
4075         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
4076         to emit_insns.
4077         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
4078         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
4079         Ditto.
4080         * reg-notes.def (NO_CONFLICT): Removed.
4082 2008-05-14  David S. Miller  <davem@davemloft.net>
4084         * config/sparc/sparc.c (sparc_profile_hook): If
4085         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
4086         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
4087         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
4089 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4091         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
4093 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
4095         PR target/36222
4096         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
4097         and op1 expansion before vector concat to have less live pseudos.
4099 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
4101         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4102         ix86_expand_vector_set if supported.
4104 2008-05-13  Diego Novillo  <dnovillo@google.com>
4105             Kenneth Zadeck  <zadeck@naturalbridge.com>
4107         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
4109         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
4110         phinodes_print_statistics, init_ssanames, fini_ssanames,
4111         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
4112         release_ssa_name, release_defs, replace_ssa_name_symbol,
4113         ssanames_print_statistics): Move ...
4114         * tree-flow.h: ... here.
4115         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
4116         Use FN instead of cfun.
4117         (make_ssa_name_fn): Rename from make_ssa_name.
4118         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
4119         * tree-flow-inline.h (make_ssa_name): Move from
4120         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
4121         * omp-low.c (expand_omp_parallel):
4122         * tree-flow-inline.h (redirect_edge_var_map_result):
4123         * tree-ssa.c (init_tree_ssa): Add argument FN.
4124         Use it instead of cfun.  Update all users.
4126 2008-05-13  Tom Tromey  <tromey@redhat.com>
4128         PR preprocessor/22168:
4129         * doc/cpp.texi (Top): Update menu.
4130         (Alternatives to Wrapper #ifndef): New node.
4131         (Other Directives): Document deprecation.
4132         (Obsolete Features): Remove menu.
4133         (Assertions): Merge node into Obsolete Features.
4134         (Obsolete once-only headers): Move earlier; rename to Alternatives
4135         to Wrapper #ifndef.
4136         * doc/cppopts.texi: Update.
4137         * c.opt (Wdeprecated): Enable for C and ObjC.
4138         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
4139         (C++ Dialect Options): Move -Wno-deprecated from here to...
4140         (Warning Options): ... here.
4142 2008-05-13  Richard Guenther  <rguenther@suse.de>
4144         PR middle-end/36227
4145         * fold-const.c (fold_sign_changed_comparison): Do not allow
4146         changes in pointer-ness.
4148 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4150         PR target/24713
4151         * config/sh/sh.c (sh_expand_prologue): Don't clear
4152         RTX_FRAME_RELATED_P for push insns.
4154 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
4156         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
4158 2008-05-12  Anatoly Sokolov <aesok@post.ru>
4160         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
4161         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
4162         Use 'machine->is_leaf' instead of 'leaf_func_p'.
4164 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
4166         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
4167         (*vec_concatv4sf_sse): This.
4168         (*sse2_concatv2si): Renamed to ...
4169         (*vec_concatv2si_sse2): This.
4170         (*sse1_concatv2si): Renamed to ...
4171         (*vec_concatv2si_sse): This.
4172         (*vec_concatv2di_rex): Renamed to ...
4173         (*vec_concatv2di_rex64): This.
4174         (*vec_concatv2si_sse4_1): New.
4175         (*vec_concatv2di_rex64_sse4_1): Likewise.
4177 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
4179         PR rtl-optimization/36111
4180         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
4181         that was created for swappable operands.
4183 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
4185         PR ada/36001
4186         * Makefile.in: Substitute GNATMAKE and GNATBIND.
4187         * configure.ac: Add call to ACX_PROG_GNAT.
4189 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
4191         * optc-gen.awk: Fix comment typo.
4193 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
4195         * pretty-print.c (pp_integer_with_precision): Use
4196         HOST_LONG_LONG_FORMAT.
4198 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
4200         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
4201                 
4202 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
4204         * config/i386/i386.c (bdesc_ptest): Removed.
4205         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
4206         (bdesc_args): Add __builtin_ia32_ptestz128,
4207         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
4208         (ix86_init_mmx_sse_builtins): Updated.
4209         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
4210         (ix86_expand_builtin): Updated.
4212 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
4214         * tree-cfg.c (valid_fixed_convert_types_p): New function.
4215         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
4217 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
4219         * value-prof.c (interesting_stringop_to_profile): Do not
4220         return early for BUILT_IN_MEMPCPY.
4222 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
4224         * calls.c (expand_call): Don't use callgraph to increase
4225         preferred_stack_boundary.
4227         * cgraph.h (cgraph_rtl_info): Use unsigned on
4228         preferred_incoming_stack_boundary.
4230         * final.c (rest_of_clean_state): Use unsigned on
4231         preferred_stack_boundary.
4233 2008-05-09  Tom Tromey  <tromey@redhat.com>
4235         PR preprocessor/22231:
4236         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
4237         proceeding.
4239 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
4241         PR tree-optimization/36129
4242         * tree-ssa-ccp.c: Include value-prof.h.
4243         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
4244         built-in function was folded to a constant.
4245         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
4247 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
4248             Sebastian Pop  <sebastian.pop@amd.com>
4250         * tree-scalar-evolution.c: Document instantiate_scev.
4251         (instantiate_parameters_1): Renamed instantiate_scev_1.
4252         Don't use the same loop for instantiation_loop and evolution_loop.
4253         (instantiate_scev): New.
4254         (instantiate_parameters): Moved...
4255         (resolve_mixers): Update call to instantiate_scev_1 to pass the
4256         same loop twice.  Maintains the semantics for this function.
4257         * tree-scalar-evolution.h (instantiate_scev): Declare.
4258         (instantiate_parameters): ...here.  Now static inline.
4259         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
4260         instead of resolve_mixers.
4262 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
4264         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
4266 2008-05-09  Tomas Bily  <tbily@suse.cz>
4268         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
4269         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
4270         * tree-ssa-structalias.c (get_constraint_for): Likewise.
4271         * c-common.c (c_common_truthvalue_conversion): Likewise.
4272         * tree-object-size.c (compute_object_offset): Likewise.
4273         * tree-inline.c (estimate_num_insns_1): Likewise.
4274         * varasm.c (const_hash_1, compare_constant, copy_constant)
4275         (compute_reloc_for_constant, output_addressed_constants)
4276         (initializer_constant_valid_p): Likewise.
4277         * c-omp.c (check_omp_for_incr_expr): Likewise.
4278         * gimplify.c (gimplify_expr): Likewise.
4279         * c-typeck.c (c_finish_return): Likewise.
4280         * tree-vectorizer.c (supportable_widening_operation)
4281         (supportable_narrowing_operation): Likewise.
4282         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
4283         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
4284         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
4285         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
4286         (descr_info_loc): Likewise.
4287         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
4288         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
4289         (fold_unary): Likewise.
4290         * builtins.c (get_pointer_alignment): Likewise.
4291         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
4292         (instantiate_parameters_1): Likewise.
4293         * tree.c (expr_align, stabilize_reference): Likewise.
4294         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4295         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
4296         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
4297         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
4298         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
4299         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
4300         Likewise.
4301         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
4302         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
4303         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
4304         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
4305         (forward_propagate_comparison)
4306         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4307         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
4308         * emit-rtl.c (component_ref_for_mem_expr)
4309         (set_mem_attributes_minus_bitpos): Likewise.
4310         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
4311         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
4312         Likewise.
4313         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
4314         (build_function_call, pointer_diff, build_compound_expr)
4315         (c_finish_return): Likewise.
4316         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
4317         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
4318         Likewise.
4319         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
4320         * expr.c (is_aligning_offset): Likewise.
4321         * tree-ssa-alias.c (is_escape_site): Likewise.
4322         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
4323         (check_all_va_list_escapes): Likewise.
4324         * tree-ssa-loop-ivopts.c (determine_base_object)
4325         (determine_common_wider_type): Likewise.
4326         * dojump.c (do_jump): Likewise.
4327         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
4328         * tree-gimple.c (is_gimple_cast): Likewise.
4329         * fold-const.c (decode_field_reference, )
4330         (fold_sign_changed_comparison, fold_unary, fold_comparison)
4331         (fold_binary): Likewise.
4332         * tree-ssa-alias-warnings.c (find_alias_site_helper)
4333         (already_warned_in_frontend_p): Likewise.
4334         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
4335         * tree.c (really_constant_p, get_unwidened): Likewise.
4336         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
4337         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
4338         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
4339         Likewise.
4340         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
4341         CONVERT_EXPR_P.
4342         (CONVERT_EXPR_P): Define.
4343         (CASE_CONVERT): Define.
4344         
4345 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
4347         PR middle-end/36117
4348         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
4349         (delete_unmarked_insns): When deleting a call, call
4350         delete_unreachable_blocks.
4351         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
4352         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
4354 2008-05-08  Richard Guenther  <rguenther@suse.de>
4356         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
4357         (-ftree-salias): Likewise.
4358         (salias-max-implicit-fields): Remove param documentation.
4359         (salias-max-array-elements): Likewise.
4360         * tree-pass.h (pass_create_structure_vars): Remove.
4361         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
4362         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
4363         * tree-ssa-alias.c (create_structure_vars): Remove.
4364         (gate_structure_vars): Likewise.
4365         (pass_create_structure_vars): Likewise.
4366         (gate_build_alias): Likewise.
4367         (pass_build_alias): Adjust to run always and dump the function.
4368         * common.opt (ftree-salias): Hide.
4369         * passes.c (init_optimization_passes): Remove
4370         pass_create_structure_vars, adjust comment.
4371         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
4372         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
4373         * opts.c (decode_options): Do not set flag_tree_salias.
4374         (common_handle_option): Add OPT_ftree_salias to the backward
4375         compatibility section.
4377 2008-05-08  Richard Guenther  <rguenther@suse.de>
4379         * tree-flow-inline.h (var_can_have_subvars): Move ...
4380         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
4381         * tree-flow.h (var_can_have_subvars): Remove.
4382         (push_fields_onto_fieldstack): Remove.
4383         (sort_fieldstack): Likewise.
4384         (struct fieldoff): Move ...
4385         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
4386         alias_set and base_for_components fields.
4387         (sort_fieldstack): Make static.
4388         (push_fields_onto_fieldstack): Likewise.  Remove code that
4389         handles anything but RECORD_TYPEs.  Remove alias_set and
4390         base_for_components handling.
4391         (create_variable_info_for): Adjust.
4393 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
4395         * common.opt (Wframe-larger-than=): Shorten the help message
4396         to one line.
4397         * doc/invoke.texi (Wframe-larger-than=): Add more description.
4399 2008-05-08  Rafael Espindola  <espindola@google.com>
4401         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
4402         trap.
4403         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
4404         trap and that both operands are gimple values.
4405         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
4406         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
4407         is a fp operation.
4409 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4411         * read-rtl.c (join_c_conditions): Return the first string if the
4412         two strings are equal.
4414 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4416         * gensupport.h (pred_data): Add a "num_codes" field.
4417         (add_predicate_code): Declare.
4418         * gensupport.c (add_predicate_code): New function.
4419         (std_pred_table): Add an "allows_const_p" field.
4420         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
4421         Remove the (incomplete) list of such codes from the codes field.
4422         (init_predicate_table): Use add_predicate_code.  Add all
4423         RTX_CONST_OBJs if allows_const_p is true.
4424         * genrecog.c (process_define_predicate): Use add_predicate_code.
4426 2008-05-08  David Daney  <ddaney@avtrex.com>
4427             Richard Sandiford  <rsandifo@nildram.co.uk>
4428         
4429         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
4430         special case of constant zero operands.
4431         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
4432         old and new values.  Special case constant zero values.
4433         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
4434         fails.
4435         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
4436         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
4438 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
4440         PR target/36090
4441         * simplify-rtx.c (simplify_plus_minus): Create CONST of
4442         similar RTX_CONST_OBJ before CONST_INT.
4444 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
4446         * stmt.c (expand_stack_restore): Change sa mode if needed.
4448 2008-05-08  Richard Guenther  <rguenther@suse.de>
4450         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
4451         return type to bool.
4452         (ix86_sol10_return_in_memory): Likewise.
4453         (ix86_i386elf_return_in_memory): Likewise.
4454         (ix86_i386interix_return_in_memory): Likewise.
4455         * config/i386/i386.c (ix86_return_in_memory): Likewise.
4456         (ix86_sol10_return_in_memory): Likewise.
4457         (ix86_i386elf_return_in_memory): Likewise.
4458         (ix86_i386interix_return_in_memory): Likewise.
4460 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
4462         PR bootstrap/36180
4463         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
4464         fndecl argument.
4465         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
4466         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
4467         declared in front.
4469 2008-05-08  Richard Guenther  <rguenther@suse.de>
4471         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
4472         * tree-data-ref.h (struct dr_alias): Remove subvars field.
4473         (DR_SUBVARS): Remove.
4474         * tree-dfa.c (dump_subvars_for): Remove.
4475         (debug_subvars_for): Likewise.
4476         (dump_variable): Do not dump subvars.
4477         (remove_referenced_var): Do not remove subvars.
4478         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
4479         (lookup_subvars_for_var): Remove.
4480         (get_subvars_for_var): Likewise.
4481         (get_subvars_at): Likewise.
4482         (get_first_overlapping_subvar): Likewise.
4483         (overlap_subvar): Likewise.
4484         * tree-flow.h (subvar_t): Remove.
4485         (struct var_ann_d): Remove subvars field.
4486         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
4487         argument.  Remove special handling of SFTs.
4488         (compute_tag_properties): Likewise.
4489         (set_initial_properties): Likewise.
4490         (compute_call_clobbered): Likewise.
4491         (count_mem_refs): Likewise.
4492         (compute_memory_partitions): Likewise.
4493         (compute_flow_insensitive_aliasing): Likewise.
4494         (setup_pointers_and_addressables): Likewise.
4495         (new_type_alias): Likewise.
4496         (struct used_part): Remove.
4497         (used_portions): Likewise.
4498         (struct used_part_map): Likewise.
4499         (used_part_map_eq): Likewise.
4500         (used_part_map_hash): Likewise.
4501         (free_used_part_map): Likewise.
4502         (up_lookup): Likewise.
4503         (up_insert): Likewise.
4504         (get_or_create_used_part_for): Likewise.
4505         (create_sft): Likewise.
4506         (create_overlap_variables_for): Likewise.
4507         (find_used_portions): Likewise.
4508         (create_structure_vars): Likewise.
4509         * tree.def (STRUCT_FIELD_TAG): Remove.
4510         * tree.h (MTAG_P): Adjust.
4511         (struct tree_memory_tag): Remove base_for_components and
4512         unpartitionable flags.
4513         (struct tree_struct_field_tag): Remove.
4514         (SFT_PARENT_VAR): Likewise.
4515         (SFT_OFFSET): Likewise.
4516         (SFT_SIZE): Likewise.
4517         (SFT_NONADDRESSABLE_P): Likewise.
4518         (SFT_ALIAS_SET): Likewise.
4519         (SFT_UNPARTITIONABLE_P): Likewise.
4520         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
4521         (union tree_node): Remove sft field.
4522         * alias.c (get_alias_set): Remove special handling of SFTs.
4523         * print-tree.c (print_node): Remove handling of SFTs.
4524         * tree-dump.c (dequeue_and_dump): Likewise.
4525         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
4526         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
4527         * tree-predcom.c (set_alias_info): Do not set subvars.
4528         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
4529         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
4530         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
4531         (add_vars_for_offset): Remove.
4532         (add_virtual_operand): Remove special handling of SFTs.
4533         (add_call_clobber_ops): Likewise.
4534         (add_call_read_ops): Likewise.
4535         (get_asm_expr_operands): Likewise.
4536         (get_modify_stmt_operands): Likewise.
4537         (get_expr_operands): Likewise.
4538         (add_to_addressable_set): Likewise.
4539         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
4540         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
4541         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
4542         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
4543         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
4544         (tree_node_structure): Likewise.
4545         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
4546         handling of SFTs.
4547         (find_what_p_points_to): Likewise.
4549 2008-05-08  Sa Liu  <saliu@de.ibm.com>
4551         * config/spu/spu.md: Fixed subti3 pattern.
4553 2008-05-08  Richard Guenther  <rguenther@suse.de>
4555         PR middle-end/36154
4556         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
4557         sure to create a representative for trailing arrays for PTA.
4559 2008-05-08  Richard Guenther  <rguenther@suse.de>
4561         PR middle-end/36172
4562         * fold-const.c (operand_equal_p): Two objects which types
4563         differ in pointerness are not equal.
4565 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
4567         * calls.c (compute_argument_block_size): Add argument tree fndecl.
4568         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
4569         (emit_library_call_value_1): Add new variable fndecl initialized by
4570         NULL_TREE. It should be the decl type of orgfun, but this information
4571         seems not to be available here, so it uses the default calling abi.
4572         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
4573         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
4574         by TARGET_RETURN_IN_MEMORY.
4575         * config/i386/i386-interix.h: Likewise.
4576         * config/i386/i386.h: Likewise.
4577         * config/i386/i386elf.h: Likewise.
4578         * config/i386/ptx4-i.h: Likewise.
4579         * config/i386/sol2-10.h: Likewise.
4580         * config/i386/sysv4.h: Likewise.
4581         * config/i386/vx-common.h: Likewise.
4582         * config/cris/cris.h: Removed #if 0 clause.
4583         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
4584         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
4585         argument.
4586         (ix86_sol10_return_in_memory): Likewise.
4587         (ix86_i386elf_return_in_memory): New.
4588         (ix86_i386interix_return_in_memory): New.
4589         * config/mt/mt-protos.h (mt_return_in_memory): New.
4590         * config/mt/mt.c: Likewise.
4591         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
4592         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
4593         * config/bfin/bfin.h: Likewise.
4594         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
4595         argument.
4596         * config/bfin/bfin.c: Likewise.
4597         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
4598         * config/alpha/unicosmk.h: Likewise.
4599         * config/i386/cygming.h: Likewise.
4600         * config/iq2000/iq2000.h: Likewise.
4601         * config/mips/mips.h: Likewise.
4602         * config/mn10300/mn10300.h: Likewise.
4603         * config/rs6000/rs6000.h: Likewise.
4604         * config/score/score.h: Likewise.
4605         * config/spu/spu.h: Likewise.
4606         * config/v850/v850.h: Likewise.
4607         * defaults.h: Likewise.
4608         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
4609         * expr.c (emit_block_move): Adjust use of
4610         OUTGOING_REG_PARM_STACK_SPACE.
4611         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
4612         OUTGOING_REG_PARM_STACK_SPACE.
4613         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
4615 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
4617         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
4618         on OMP_RETURN for OMP_FOR.
4620         PR debug/35896
4621         * dwarf2out.c (dw_expand_expr, common_check): Removed.
4622         (fortran_common): New function.
4623         (gen_variable_die): Call fortran_common instead of common_check,
4624         adjust for it returning tree instead of rtx.  Formatting.
4626 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
4628         PR rtl/7335
4629         PR rtl/33826
4630         * see.c (see_copy_insn): Copy new pure const attributes for new call.
4631         * c-decl.c (merge_decls): Ditto.
4632         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
4633         to RTL_CONST_OR_PURE_CALL_P.
4634         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
4635         Initialized DECL_LOOPING_CONST_PURE.
4636         (process_call_operands): Set tree_side_effects properly.
4637         * tree.h (TREE_READONLY_DECL_P): Removed.
4638         (DECL_IS_PURE): Renamed to DECL_PURE_P.
4639         (DECL_LOOPING_OR_CONST_P): New macro.
4640         (struct tree_function_decl): Added looping_const_or_pure_p.
4641         (ECF_*) Renumbered.
4642         (ECF_LOOPING_OR_CONST_P): New macro.
4643         * rtlanal.c (pure_const_p): Removed.
4644         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
4645         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
4646         to RTL_CONST_CALL_P.
4647         * ipa-pure-const.c (pure_const_state_e): Added looping field.
4648         (check_decl, check_tree, check_call, scan_function): Initialize
4649         looping.
4650         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
4651         (static_execute): Set looping true for recursive functions.
4652         Undo setting state to IPA_NEITHER for recursive functions.
4653         * cse.c (cse_insn): 
4654         * ifcvt.c (noce_can_store_speculate_p): Changed
4655         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
4656         RTL_CONST_OR_PURE_CALL_P.
4657         * dse.c (scan_insn): Ditto.
4658         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
4659         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
4660         RTL_CONST_OR_PURE_CALL_P.
4661         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
4662         pure_call_p to RTL_CONST_CALL_P.
4663         * gimplify.c (gimplify_call_expr): Clear side effects for
4664         non-looping pure and constant calls.
4665         * calls.c (emit_call_1): Set rtl flags from ecf flags.
4666         (flags_from_decl_or_type): Set ecf flags from decl flags.
4667         (initialize_argument_information): Turn off
4668         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
4669         Change const to pure if callee_copies is true rather than just
4670         turning off const.
4671         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
4672         way of marking pure calls.
4673         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
4674         Remove hack that was supposed to fix pr7335 and remove old
4675         way of marking pure calls.
4676         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
4677         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
4678         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
4679         RTL_CONST_OR_PURE_CALL_P.
4680         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
4681         * loop-invariant.c (find_exits, find_invariant_bb): Changed
4682         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
4683         * sched-deps.c (schedule_analyze): Ditto.
4684         * rtl.h (struct rtx_def): Use call field, unchanging field, and
4685         return_val field of calls to represent pure and const function info.
4686         (CONST_OR_PURE_CALL_P): Deleted macro.
4687         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
4688         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
4689         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
4690         TREE_READONLY.
4691         * tree-optimize.c (execute_fixup_cfg): Added test for
4692         ECF_LOOPING_CONST_OR_PURE.
4693         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
4694         DECL_PURE_P.
4695         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
4696         effects for looping pure or const calls.
4697         (verify_gimple_expr): Added verification code. 
4698         * config/alpha/alpha.c (alpha_legitimize_address,
4699         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
4700         RTL_CONST_CALL_P.
4701         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
4702         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
4703         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
4704         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
4705         RTL_CONST_OR_PURE_CALL_P.
4706         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
4707         and const calls to be deleted.
4709 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
4711         PR target/35714
4712         * config/i386/mmx.md (mmx_subv2sf3): New expander.
4713         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
4714         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
4715         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
4716         to handle nonimmediate operands.
4717         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
4718         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
4719         to handle nonimmediate operands.
4720         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
4721         (mmx_pmulhrwv4hi3): New expander.  Use
4722         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4723         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
4724         (sse2_umulv1siv1di3): New expander.  Use
4725         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4726         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
4727         (mmx_eq<mode>3): New expander.  Use
4728         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4729         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
4730         (mmx_uavgv8qi3): New expander.  Use
4731         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4732         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
4733         (mmx_uavgv4hi3): New expander.  Use
4734         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4736         * config/i386/sse.md
4737         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
4738         to handle nonimmediate operands.
4739         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
4740         to handle nonimmediate operands.
4741         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
4742         to handle nonimmediate operands.
4743         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
4744         to handle nonimmediate operands.
4745         (sse2_unpckhpd_exp): New expander.  Use
4746         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4747         (sse2_unpcklpd_exp): New expander.  Use
4748         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4749         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
4750         to handle nonimmediate operands.
4751         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
4752         to handle nonimmediate operands.
4753         (*sse2_<plusminus_insn><mode>3): Rename from
4754         sse2_<plusminus_insn><mode>3 insn pattern.
4755         (sse2_<plusminus_insn><mode>3): New expander.  Use
4756         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4757         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
4758         (sse2_umulv2siv2di3): New expander.  Use
4759         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4760         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
4761         (sse4_1_mulv2siv2di3): New expander.  Use
4762         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4763         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
4764         (sse2_pmaddwd): New expander.  Use
4765         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4766         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
4767         (sse2_eq<mode>3): New expander.  Use
4768         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4769         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
4770         (sse4_1_eqv2di3): New expander.  Use
4771         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4772         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
4773         (sse2_uavgv16qi3): New expander.  Use
4774         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4775         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
4776         (sse2_uavgv16qi3): New expander.  Use
4777         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4778         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
4779         (sse2_uavgv8hi3): New expander.  Use
4780         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4781         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
4782         (ssse3_pmulhrswv8hi3): New expander.  Use
4783         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4784         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
4785         (ssse3_pmulhrswv4hi3): New expander.  Use
4786         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
4788         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
4789         (<sse>_vmmul<mode>3): Ditto.
4790         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
4791         (divv2df3): Ditto.
4792         (ssse3_pmaddubsw128): Use register_operand for operand 1.
4793         (ssse3_pmaddubsw): Ditto.
4795         * config/i386/i386.c (struct_builtin_description)
4796         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
4797         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
4798         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
4799         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
4800         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
4801         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
4802         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
4803         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
4804         (ix86_fixup_binary_operands): Assert that src1
4805         and src2 must have the same mode when swapped.
4806         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
4807         and ix86_binary_operator_ok.  Do not force operands in registers
4808         when optimizing.
4810 2008-05-07  Jan Hubicka  <jh@suse.cz>
4812         * cgraph.c (dump_cgraph_node): Update.
4813         * cgraph.h (cgraph_local_info): Break out inline summary.
4814         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
4815         hook.
4816         * ipa-inline (inline_summary): New accestor function.
4817         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
4818         cgraph_decide_inlining, compute_inline_parameters): Update.
4819         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
4821 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
4823         Cleanup ColdFire scheduling support and add V4 pipeline model.
4825         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
4826         (define_attr cpu): Add cfv4 value.
4827         (define_attr type, define_attr type1): Merge into a single 'type'
4828         attribute.  Update all uses.
4829         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
4830         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
4831         Update all uses.
4832         (define_attr opx_mem, define_attr opy_mem): Remove.
4833         (define_attr op_mem): Clean up, update comment.
4834         (define_attr size): Use specific values instead of general int.
4835         (define_attr guess, define_attr split): Remove.  Update all uses.
4836         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
4837         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
4838         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
4839         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
4840         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
4841         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
4842         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
4843         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
4844         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
4845         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
4846         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
4847         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
4848         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
4849         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
4850         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
4851         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
4852         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
4853         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
4854         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
4855         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
4856         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
4857         Update or set attributes.
4858         (stack_tie): New fake instruction.
4860         * config/m68k/m68k.h (TUNE_CFV4): New macro.
4861         (m68k_sched_attr_size): Update declaration.
4862         (m68k_sched_attr_type2): Remove.
4863         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
4864         Declare new bypass predicates.
4866         * config/m68k/m68k.c (m68k_sched_issue_rate,
4867         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
4868         implementations.
4869         (TARGET_SCHED_ISSUE_RATE,
4870         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
4871         (override_options): Handle scheduling for ColdFire V4 core.
4872         (m68k_expand_prologue): Emit stack_tie.
4873         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
4874         'OP_TYPE_FPN'.  Update all uses.
4875         (sched_guess_p): Remove.
4876         (sched_address_type): Handle symbolic addresses.
4877         (sched_get_operand): New static function.
4878         (sched_operand_type): Merge into sched_attr_op_type.
4879         (sched_attr_op_type): Handle FP registers, handle quick constants,
4880         update.
4881         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
4882         (m68k_sched_attr_size): Update.  Move logic to ...
4883         (sched_get_attr_size_int): New static function.
4884         (sched_get_opxy_mem_type): New static function.
4885         (m68k_sched_attr_op_mem): Update.
4886         (m68k_sched_attr_type2): Remove.
4887         (sched_cfv4_bypass_data): New static variable.
4888         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
4889         (m68k_sched_issue_rate): Implement scheduler hook.
4890         (struct _sched_ib: enabled_p): New field.
4891         (m68k_sched_variable_issue): Update.  Handle V4.
4892         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
4893         sched_dump_class_func_t, sched_dump_split_class,
4894         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
4895         sched_dump_dfa_class, m68k_sched_dump): Remove.
4896         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
4897         hook.
4898         (m68k_sched_init_global): Remove statisctics dumping, introduce
4899         sanity check that all instructions have pipeline reservations.  Handle
4900         ColdFire V4 core.
4901         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
4902         Handle ColdFire V4 core.
4903         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
4904         New static functions.
4905         (m68k_sched_address_bypass_p): New bypass predicate.
4906         (sched_get_indexed_address_scale): New static function.
4907         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
4909         * cf.md: Update comments.
4910         (define_attr type2): Remove.  Use 'type' attribute instead.
4911         Update all uses.
4912         (cf_ib): Rename to cfv123_ib.  Update all uses.
4913         (cf_oep): Rename to cfv123_oep.  Update all uses.
4914         (cf_chr): Rename to cfv123_chr.  Update all uses.
4915         (cf_mem): Rename to cfv123_mem.  Update all uses.
4916         (cf_mac): Move to more appropriate place.
4917         (cfv123_guess): New automaton and cpu_unit.
4918         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
4919         Update uses of 'size' attribute.  Handle before reload scheduling.
4920         (cfv123_guess): New dummy reservation for unhandled instructions.
4921         (cfv4_*): Pipeline description of ColdFire V4 core.
4922         (ignore): New reservation to handle 'ignore' type.
4924 2008-05-07  Ian Lance Taylor  <iant@google.com>
4926         PR middle-end/36013
4927         * gimplify.c (find_single_pointer_decl_1): Don't look through
4928         indirections.
4929         (find_single_pointer_decl): Adjust comments.
4931 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
4933         PR middle-end/36137
4934         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
4935         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
4937         PR middle-end/36106
4938         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
4939         integral type rather than floating point, then VIEW_CONVERT_EXPR
4940         to the floating point type.
4942 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
4944         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
4945         TFmode op0 to register.
4947 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
4949         * c-decl.c (grokdeclarator): Comment typo.
4951 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
4953         * tree-flow.h: Remove prototype for computed_goto_p.
4954         * tree-cfg.c (computed_goto_p): Make static.
4956 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4958         PR target/35657
4959         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
4960         (contains_aligned_value_p): This.  Handle _Decimal128.
4961         (ix86_function_arg_boundary): Only align _Decimal128 to its
4962         natural boundary and handle it properly.
4964 2008-05-06  Martin Jambor  <mjambor@suse.cz>
4966         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
4967         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
4968         (ipcp_method_set_orig_node): Removed.
4969         (ipcp_cval_get_cvalue_type): Removed.
4970         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
4971         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
4972         (ipcp_cval_set_cvalue_type): Removed.
4973         (ipcp_cval_get_cvalue): Removed.
4974         (ipcp_cval_set_cvalue): Removed.
4975         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
4976         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
4977         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
4978         (ipcp_cval_meet): Renamed to ipa_lattice_meet
4979         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
4980         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
4981         (ipcp_get_ith_lattice): Changed parameters.
4982         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
4983         (ipcp_lattice_from_jfunc): Changed parameters.
4984         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
4985         (ipcp_method_cval_print): Added temporary variable info.
4986         (ipcp_redirect): Removed already unused local variable caller.
4987         (ipcp_redirect): New temporary variable orig_callee_info
4988         (ipcp_redirect): Removed newly unused local variable callee.
4989         (ipcp_redirect): Removed (a bit confusing) local variable type.
4990         (ipcp_insert_stage): Added local variable info.
4991         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
4992         renamed too
4993         (ipcp_formal_create): Removed.
4994         (ipcp_method_cval_set): Removed.
4995         (ipcp_propagate_stage): Renamed lattice variables.
4996         (ipcp_method_cval_set_cvalue_type): Removed.
4997         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
4998         (ipcp_print_all_lattices): Changed printed strings to refer to 
4999         lattices rather than cvals.
5000         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
5001         (ipcp_propagate_const): Changed formal parameters.
5002         (build_const_val): Changed formal parameters.
5003         (ipcp_insert_stage): Removed useless variable cvalue
5004         (build_const_val): Changed formal parameters.
5005         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
5006         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
5007         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
5008         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
5009         (ipcp_print_func_profile_counts): Changed string from "method" to 
5010         "function"
5011         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
5012         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
5013         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
5014         (ipcp_structures_print): Renamed to ipcp_print_all_structures
5015         (ipcp_profile_print): Renamed to ipcp_print_profile_data
5016         (ipcp_lat_is_const): Changed parameters and made inline.
5017         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
5018         (ipcp_redirect): Renamed to ipcp_need_redirect_p
5019         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
5020         the predicate condition directly
5021         (ipcp_propagate_stage): Added local variable args. Removed local
5022         variable callee.  (Both are mere code simplifications.)
5023         (ipcp_method_dont_insert_const): Renamed to
5024         ipcp_node_not_modifiable_p.
5025         (ipcp_node_not_modifiable_p): Made inline.
5026         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
5027         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
5028         (ipcp_print_all_lattices): Removed variable cvalue
5029         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
5030         Updated comments.
5032 2008-05-06  Olivier Hainque  <hainque@adacore.com>
5034         * tree-sra.c (try_instantiate_multiple_fields): Early return
5035         if field has POINTER_TYPE.
5037 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
5039         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
5040         by using 'q' specifier for instruction.
5041         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
5043 2008-05-06  Anatoly Sokolov <aesok@post.ru>
5045         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
5046         Change mode of zero_extract from QImode to HImode.
5047         (sign bit tests peepholes): (Ditto.).
5049 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
5051         * config/i386/mmx.md: Remove double backslashes from asm templates.
5052         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
5053         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
5054         to handle nonimmediate operands.
5055         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
5056         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
5057         to handle nonimmediate operands.
5058         (*mmx_<code>v2sf3_finite): New insn pattern.
5059         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
5060         (mmx_<code>v2sf3): New expander.  Use
5061         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5062         (mmx_<plusminus_insn><mode>3): New expander.  Use
5063         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5064         (*mmx_<plusminus_insn><mode>3): New insn pattern.
5065         (mmx_add<mode>3): Removed.
5066         (mmx_ssadd<mode>3): Ditto.
5067         (mmx_usadd<mode>3): Ditto.
5068         (mmx_sub<mode>3): Ditto.
5069         (mmx_sssub<mode>3): Ditto.
5070         (mmx_ussub<mode>3): Ditto.
5071         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
5072         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
5073         to handle nonimmediate operands.
5074         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
5075         insn pattern.
5076         (mmx_smulv4hi3_highpart): New expander.  Use
5077         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5078         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
5079         insn pattern.
5080         (mmx_umulv4hi3_highpart): New expander.  Use
5081         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5082         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
5083         (mmx_<code>v4hi3): New expander.  Use
5084         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5085         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
5086         (mmx_<code>v8qi3): New expander.  Use
5087         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5088         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
5089         (mmx_<code><mode>3): New expander.  Use
5090         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5092 2008-05-05  Jan Hubicka  <jh@suse.cz>
5094         PR tree-optimization/36118
5095         * passes.c (pass_init_dump_file): Fix dump header.
5097 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5099         PR middle-end/36141
5100         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
5101         VCE for function decls.
5103 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
5105         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
5107 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
5109         * config/i386/i386.md (sat_plusminus): New.
5110         (plusminus_insn): Likewise.
5111         (plusminus_mnemonic): Likewise.
5112         (addsub): Removed.
5113         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
5114         (*<addsub><mode>3_cc_overflow): Renamed to ...
5115         (*<plusminus_insn><mode>3_cc_overflow): This.
5116         (*<addsub>si3_zext_cc_overflow): Renamed to ...
5117         (*<plusminus_insn>si3_zext_cc_overflow): This.
5119         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
5120         (<plusminus_insn><mode>3): This.
5121         (*<addsub><mode>3): Renamed to ...
5122         (*<plusminus_insn><mode>3): This.
5123         (<sse>_vm<addsub><mode>3): Renamed to ...
5124         (<sse>_vm<plusminus_insn><mode>3): This.
5125         (sse3_h<addsub>v4sf3): Renamed to ...
5126         (sse3_h<plusminus_insn>v4sf3): This.
5127         (sse3_h<addsub>v2df3): Renamed to ...
5128         (sse3_h<plusminus_insn>v2df3): This.
5129         (<plusminus_insn><mode>3): New.
5130         (*<plusminus_insn><mode>3): Likewise.
5131         (sse2_<plusminus_insn><mode>3): Likewise.
5132         (add<mode>): Removed.
5133         (*add<mode>3): Likewise.
5134         (sse2_ssadd<mode>3): Likewise.
5135         (sse2_usadd<mode>3): Likewise.
5136         (sub<mode>3): Likewise.
5137         (*sub<mode>3): Likewise.
5138         (sse2_sssub<mode>3): Likewise.
5139         (sse2_ussub<mode>3): Likewise.
5141 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
5143         * gthr-single.h: Add in required interface elements as per gthr.h.
5144         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
5145         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
5146         Generalize UNUSED macro. 
5147         (__gthread_once): Add.
5148         (__gthread_key_create): Add.
5149         (__gthread_key_delete): Add.
5150         (__gthread_getspecific): Add.
5151         (__gthread_setspecific): Add.
5152         
5153 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
5155         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
5156         the same size types for the indirect reference on the rhs, then
5157         create a VCE.
5159 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
5161         * config/i386/i386.md
5162         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
5163         one insn template instead of template series.
5164         (*xordi_1_rex64): Ditto.
5165         (*xordi_2_rex64): Ditto.
5167 2008-05-05  Ira Rosen  <irar@il.ibm.com>
5169         PR tree-optimization/36119
5170         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
5171         in case of SLP.
5173 2008-06-04  Jan Hubicka  <jh@suse.cz>
5175         tree-optimization/36100
5176         * tree-pass.h (pass_O0_always_inline): Declare.
5177         * ipa-inline.c (inline_transform): Remove dead code.
5178         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
5179         pass_O0_always_inline): New.
5180         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
5182 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
5184         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
5185         mnemonic in this_param move for TARGET_64BIT.
5187 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
5189         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
5190         (*strmovsi_rex_1): Ditto.
5191         (*strsetsi_1): Ditto.
5192         (*strsetsi_rex_1): Ditto.
5194         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
5195         adddicc expanders using SWI mode iterator.
5197 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
5199         PR target/36121
5200         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
5201         argument handling.
5203 2008-05-04  David S. Miller  <davem@davemloft.net>
5205         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
5206         (sparc*-*-linux*): Use linux.h in tm_file.
5207         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
5208         compiler defaulting to 32-bit.
5209         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
5210         no longer needed.
5211         * config/sparc/linux.h: Remove definitions now obtained
5212         properly from linux.h
5213         * config/sparc/linux64.h: Likewise.
5214         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
5215         don't want this setting for 32-bit builds in a biarch compiler.
5216         * doc/install.texi: Add sparc-linux to list of targets
5217         supporting --enable-targets=all.
5219 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
5221         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
5223 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
5225         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
5226         after V4SI_FTYPE_V8HI.
5227         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
5228         case V4SI_FTYPE_V2DF.
5230 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
5232         * doc/invoke.texi (max-flow-memory-locations): Removed.
5233         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
5234         
5235 2008-05-03  Richard Guenther  <rguenther@suse.de>
5237         PR middle-end/34973
5238         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
5240 2008-05-02  David S. Miller  <davem@davemloft.net>
5242         * config.gcc (need_64bit_hwint): Document libcpp dependency.
5244 2008-05-02  Simon Baldwin <simonb@google.com>
5246         PR bootstrap/36108
5247         * c-common.h (warn_array_subscript_range): Removed.
5248         * c-common.c (warn_array_subscript_range): Ditto.
5249         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
5250         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
5252 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
5254         * config/i386/i386.c (ix86_special_builtin_type): New.
5255         (bdesc_special_args): Likewise.
5256         (ix86_expand_special_args_builtin): Likewise.
5257         (ix86_init_mmx_sse_builtins): Updated.
5258         (ix86_expand_builtin): Updated.
5259         (ix86_expand_store_builtin): Removed.
5260         (ix86_expand_unop_builtin): Likewise.
5262         * config/i386/mm3dnow.h (__v2sf): Moved to ...
5263         * config/i386/mmintrin.h (__v2sf): Here.
5265         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
5266         const __v2sf.
5267         (_mm_loadl_pi): Likewise.
5268         (_mm_storeh_pi): Replace __v2si with __v2sf.
5269         (_mm_storel_pi): Likewise.
5271         * doc/extend.texi: Correct __builtin_ia32_loadhps,
5272         __builtin_ia32_loadlps, __builtin_ia32_storehps,
5273         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
5274         __builtin_ia32_loadlpd.
5276 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
5278         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
5279         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
5280         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
5281         (ix86_init_mmx_sse_builtins): Updated.
5282         (ix86_expand_args_builtin): Likewise.
5283         (ix86_expand_builtin): Likewise.
5284         (ix86_expand_unop1_builtin): Renamed to ...
5285         (ix86_expand_unop_vec_merge_builtin): This.
5287 2008-05-01  Jan Hubicka  <jh@suse.cz>
5289         PR bootstrap/36100
5290         * ipa-inline.c (inline_generate_summary): Make static.
5291         (inline_transform): Do not call inlining at -O0; make static.
5292         * passes.c (execute_todo): Add sanity check.
5293         (execute_one_ipa_transform_pass): Execute proper flags.
5295 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
5297         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
5298         (DECL_NONADDRESSABLE_P): Likewise.
5299         * alias.c (record_component_aliases): Fix comment.
5301 2008-05-01  Simon Baldwin <simonb@google.com>
5303         * c-common.h (warn_array_subscript_range): New function.
5304         * c-common.c (warn_array_subscript_range): Ditto.
5305         * tree-vrp.c (check_array_ref): Corrected code to agree with
5306         comment, ignoring only arrays of size 0 or size 1.
5307         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
5309 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
5311         * config/i386/i386.c (ix86_builtin_type): Replace
5312         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
5313         (bdesc_args): Updated.
5314         (ix86_init_mmx_sse_builtins): Likewise.
5315         (ix86_expand_args_builtin): Likewise.
5317         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
5318         with __v1di.
5320         * doc/extend.texi: Correct __builtin_ia32_palignr.
5322 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
5324         PR target/36095
5325         * config/i386/i386.c (bdesc_crc32): Removed.
5326         (ix86_expand_crc32): Likewise.
5327         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
5328         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
5329         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
5330         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
5331         UINT_FTYPE_UINT_UCHAR.
5332         (bdesc_args): Updated. Add crc32 builtins.
5333         (ix86_init_mmx_sse_builtins): Updated.
5334         (ix86_expand_args_builtin): Updated to support subreg.
5336         * doc/extend.texi: Correct __builtin_ia32_crc32di.
5338 2008-05-01  Jan Hubicka  <jh@suse.cz>
5340         * tree-pass.h (opt_pass): Add IPA_PASS.
5341         (varpool_node, cgraph_node): Forward declare.
5342         (ipa_opt_pass): Define.
5343         (pass_ipa_inline): Turn into ipa_opt_pass.
5344         (pass_apply_inline): Remove.
5345         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
5346         (apply_inline): Turn into ....
5347         (inline_transform): ... this one.
5348         (inline_generate_summary): New function.
5349         (pass_apply_inline): Remove.
5350         * function.h (ipa_opt_pass): Forward declare structure; typedef;
5351         vector.
5352         (struct function): Add ipa_transforms_to_apply.
5353         * passes.c (register_one_dump_file): Work on IPA_PASS.
5354         (init_optimization_passes): Remove pass_inline_parameters and
5355         pass_apply_inline.
5356         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
5357         (execute_one_pass) ... here; apply transforms when possible.
5358         (add_ipa_transform_pass, execute_ipa_summary_asses,
5359         execute_one_ipa_transform_pass): New.
5360         (execute_ipa_pass_list): Update for IPA_PASS type.
5362 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
5364         * config/i386/i386.c (ix86_builtin_type): Add
5365         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
5366         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
5367         (bdesc_args): Add SSE4a builtins.
5368         (ix86_init_mmx_sse_builtins): Updated.
5369         (ix86_expand_args_builtin): Likewise.
5370         (ix86_expand_builtin): Likewise.
5372 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
5374         * config/i386/i386.c (ix86_builtin_type): Add
5375         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
5376         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
5377         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
5378         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
5379         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
5380         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
5381         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
5382         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
5383         and DI_FTYPE_DI_DI_INT.
5384         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
5385         (ix86_init_mmx_sse_builtins): Updated.
5386         (ix86_expand_args_builtin): Likewise.
5387         (ix86_expand_builtin): Likewise.
5388         (ix86_expand_binop_imm_builtin): Removed.
5390         * doc/extend.texi: Correct __builtin_ia32_palignr128.
5392 2008-04-30  Richard Guenther  <rguenther@suse.de>
5394         PR tree-optimization/32921
5395         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
5397 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
5399         * config/arm/arm.c (arm_unwind_emit): Use
5400         crtl->all_throwers_are_sibcalls instead of
5401         cfun->all_throwers_are_sibcalls.
5402         (arm_output_fn_unwind): Likewise.
5403         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
5404         instead of cfun->uses_pic_offset_table.
5405         (frv_expand_prologue): Likewise.
5406         (frv_frame_pointer_required): Likewise.
5407         (frv_expand_fdpic_call): Likewise.
5408         (frv_emit_movsi): Likewise.
5409         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
5410         cfun->returns_pcc_struct instead of
5411         current_function_returns_pcc_struct.
5412         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
5413         instead of cfun->calls_eh_return.
5414         (m32c_pushm_popm): Likewise.
5415         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
5416         "extern" declaration.
5418 2008-04-30  Richard Guenther  <rguenther@suse.de>
5420         PR tree-optimization/21636
5421         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
5422         constant address.
5423         (evaluate_stmt): Print the likely value.
5424         (ccp_visit_stmt): Avoid excessive vertical spacing.
5426 2008-04-30  Rafael Espindola  <espindola@google.com>
5428         * builtins.c (fold_call_expr): Return realret.
5429         * tree-ssa-threadedge.c
5430         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5431         __builtin_object_size.
5433 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
5435         * gcc.c (wrapper_string): New variable.
5436         (insert_wrapper): New function.
5437         (execute): New option -wrapper.
5438         * doc/invoke.texi (Overall Options): New driver option -wrapper.
5440 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
5442         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
5443         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
5444         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
5445         from...
5446         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
5447         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
5448         config/rs6000/e500crtres64gprctr.asm,
5449         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
5450         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
5451         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
5452         config/rs6000/e500crtsav64gprctr.asm,
5453         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
5454         config/rs6000/e500crtsavg64gprctr.asm: New files.
5455         * config/rs6000/t-ppccomm: Add build rules for new files.
5456         (LIB2FUNCS_STATIC_EXTRA): Add new files.
5457         * config/rs6000/t-netbsd: Add build rules for new files.
5458         (LIB2FUNCS_STATIC_EXTRA): New variable.
5459         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
5460         (CRTSAVRES_DEFAULT_SPEC): Likewise.
5461         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
5463 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
5465         * config/i386/i386.c (ix86_builtin_type): Add
5466         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
5467         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
5468         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
5469         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
5470         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
5471         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
5472         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
5473         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
5474         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
5475         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
5476         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
5477         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
5478         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
5479         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
5480         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
5481         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
5482         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
5483         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
5484         V1DI_FTYPE_V2SI_V2SI.
5485         (bdesc_2arg): Moved to ...
5486         (bdesc_args): Here.
5487         (ix86_init_mmx_sse_builtins): Updated.
5488         (ix86_expand_args_builtin): Updated.  Take a pointer
5489         to const struct builtin_description.  Handle comparison
5490         builtin functions.
5491         (ix86_expand_sse_compare): Take a new argument for swapping operands.
5492         (ix86_expand_builtin): Updated.
5494         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
5495         (ssse3_pmaddubsw128): This.
5496         (ssse3_pmaddubswv4hi3): Renamed to ...
5497         (ssse3_pmaddubsw): This.
5499         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
5500         (__builtin_ia32_packssdw128): Likewise.
5501         (__builtin_ia32_packuswb128): Likewise.
5502         (__builtin_ia32_pmaddubsw): Likewise.
5503         (__builtin_ia32_pmaddubsw128): Likewise.
5505 2008-04-30  Richard Guenther  <rguenther@suse.de>
5507         PR tree-optimization/14847
5508         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
5509         (recognize_bits_test): Use it.
5510         (recognize_single_bit_test): Likewise.
5512 2008-04-30  Martin Jambor  <mjambor@suse.cz>
5514         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
5515         instead of setting number of formal parameters to zero.
5516         (ipcp_init_stage): Do not set the number of actual parameters to zero 
5517         either.
5518         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
5519         which are called with variable number of arguments.
5520         (ipcp_insert_stage): Explicitely skipping all nodes which are
5521         called with variable number of arguments.
5522         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
5523         number of parameters.
5525         * ipa-prop.h (struct ipa_node_params): Added flag
5526         called_with_var_arguments
5527         (ipa_set_param_count): Added.  Changed sole setter to use it.
5528         (ipa_get_param_count): Added.  All readers of param_count
5529         converted to use it instead.
5530         (ipa_set_called_with_variable_arg): Added.
5531         (ipa_is_called_with_var_arguments): Added.
5532         (ipa_get_ith_param): Added.  All readers of param_decls converted
5533         to use it instead.
5534         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
5535         changed to use it. 
5536         (ipa_get_cs_argument_count): Added, all readers of argument_count
5537         changed to cal it.
5538         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
5539         to use it.
5540         
5541         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
5542         (struct ipcp_lattice): Renamed cval_type to type
5543         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
5545         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
5546         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
5547         (ipcp_insert_stage): Changed the type of variable cvalue to tree
5548         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
5549         (build_const_val): Changed the type of parameter cvalue to tree
5550         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
5551         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
5552         
5553         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
5554         constant 
5556         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
5557         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
5558         (ipa_add_method): Renamed to ipa_push_func_to_list
5559         (ipa_remove_method): Renamed to ipa_pop_func_from_list
5560         (ipa_callsite_param_count): Removed.
5561         (ipa_callsite_param_count_set): Removed.
5562         (ipa_callsite_param): Removed.
5563         (ipa_callsite_callee): Removed.
5564         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
5565         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
5566         (ipa_method_formal_count): Removed.
5567         (ipa_method_formal_count_set): Removed.
5568         (ipa_method_get_tree): Removed.
5569         (ipa_method_tree_map_create): Removed.
5570         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
5571         (ipa_create_param_decls_array): Creates the array itself
5572         (ipa_create_param_decls_array): Temporary variable info instead of 
5573         a few dereferences.
5574         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
5575         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
5576         (get_type): Removed.
5577         (ipa_jf_get_info_type): Removed.
5578         (ipa_node_create): Renamed to ipa_create_node_params
5579         (ipa_free): Renamed to ipa_free_all_node_params
5580         (ipa_nodes_create): Renamed to ipa_create_all_node_params
5581         (ipa_edges_create): Renamed to ipa_create_all_edge_args
5582         (ipa_edges_free): Renamed to ipa_free_all_edge_args
5583         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
5584         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
5585         ipa_free_all_edge_args
5586         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
5587         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
5588         (ipa_create_methodlist_node): Removed.
5589         (ipa_methodlist_method): Removed.
5590         (ipa_methodlist_method_set): Removed.
5591         (ipa_methodlist_next_method): Removed.
5592         (ipa_methodlist_next_method_set): Removed.
5593         (ipa_method_is_modified): Removed.
5594         (ipa_method_modify_create): Removed.
5595         (ipa_method_modify_init): Temporary variable info instead of a few 
5596         dereferences.
5597         (ipa_detect_param_modifications): Temporary variable info instead of 
5598         a few dereferences.
5599         (ipa_compute_jump_functions): Temporary variable info instead of 
5600         a few dereferences.
5601         (ipa_method_modify_set): Removed.
5602         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
5603         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
5604         than craph_node as the first parameter.
5605         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
5606         (ipa_method_modify_init): Removed.
5607         (ipa_compute_jump_functions): Added a temp variable instead of 
5608         repeatadly dereferencing the cgraph_edge.aux pointer
5609         (ipa_callsite_param_set_type): Removed.
5610         (ipa_compute_jump_functions): i renamed to index and moved to 
5611         an inner block
5612         (ipa_callsite_param_set_info_type_formal): Removed.
5613         (ipa_callsite_param_set_info_type): Removed.
5614         (ipa_callsite_param_map_create): Removed.
5615         (ipa_callsite_tree): Removed.
5616         (ipa_callsite_caller): Removed.
5617         (ipa_pop_func_from_list): return_method removed to return_func
5619         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
5620         prefixed all values with IPA_. Changed all users.
5621         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
5622         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
5623         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
5624         (union parameter_info): Renamed to jump_func_value.
5625         (union jump_func_value): Renamed value to constant
5626         (struct ipa_jump_func): Renamed info_type to value
5627         (struct ipa_node): Renamed to ipa_node_params
5628         (struct ipa_node_params): Renamed ipa_arg_num to param_count
5629         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
5630         (struct ipa_node_params): Renamed ipa_mod to modified_flags
5631         (struct ipa_edge): Renamed to ipa_edge_args
5632         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
5633         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
5634         (struct ipa_methodlist): Renamed to ipa_func_list
5635         (struct ipa_func_list): method_p renamed to node, next_method
5636         renamed to next
5637         (ipa_methodlist_p): Removed, switched all users to struct pointer
5638         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
5640 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
5642         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
5643         (rs6000_emit_epilogue): Use backchain to restore only when we
5644         have a large frame.  Make use of frame pointer to restore if we
5645         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
5647 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
5649         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
5650         Add mode to zero_extract.
5651         (sign bit tests peepholes): (Ditto.).
5653 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
5655         * config/i386/i386.c (ix86_builtins): Replace Prescott New
5656         Instructions in comments with SSE3.
5657         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
5658         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
5659         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
5660         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
5661         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
5662         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
5663         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
5664         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
5665         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
5666         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
5667         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
5668         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
5669         (bdesc_sse_args): Renamed to ...
5670         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
5671         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
5672         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
5673         IX86_BUILTIN_FABSQ.
5674         (bdesc_1arg): Moved to ...
5675         (bdesc_args): Here.
5676         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
5677         Instructions in comments with SSE3.
5678         (ix86_expand_sse_operands_builtin): Renamed to ...
5679         (ix86_expand_args_builtin): This.  Updated.
5680         (ix86_expand_unop1_builtin): Update comments.
5681         (ix86_expand_builtin): Updated.
5683 2008-04-29  Richard Guenther  <rguenther@suse.de>
5685         PR tree-optimization/36078
5686         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
5687         Update virtual SSA form after cleaning up the CFG.
5689 2008-04-29  Richard Guenther  <rguenther@suse.de>
5691         PR middle-end/15255
5692         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
5694 2008-04-29  Richard Guenther  <rguenther@suse.de>
5696         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
5697         (compute_may_aliases): Do not call finalize_ref_all_pointers.
5698         (compute_flow_insensitive_aliasing): Do not treat
5699         PTR_IS_REF_ALL pointers special.
5700         (get_smt_for): Likewise.
5701         (may_alias_p): Re-structure.
5702         (is_escape_site): A ref-all pointer conversion is not an escape site.
5703         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
5704         PTR_IS_REF_ALL pointers special.
5705         * tree-ssa-structalias.h (struct alias_info): Remove
5706         ref_all_symbol_mem_tag field.
5707         (PTR_IS_REF_ALL): Remove.
5709 2008-04-29  Richard Guenther  <rguenther@suse.de>
5711         PR middle-end/36077
5712         * fold-const.c (extract_muldiv_1): In combining division constants
5713         make sure to never overflow.
5715 2008-04-29  Nick Clifton  <nickc@redhat.com>
5717         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
5719 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5721         PR bootstrap/35169
5722         * optc-gen.awk: Work around HP-UX/IA awk bug.
5724 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
5726         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
5727         2008-04-25 commit.
5729 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
5731         PR target/36073
5732         * config/i386/i386.md
5733         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
5734         Change operand 1 predicate to nonimmediate_operand.
5736 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
5738         PR debug/36060
5739         * dwarf2out.c (struct die_struct): Mark as chain_circular through
5740         die_sub field.
5741         * gengtype.c (walk_type, write_func_for_structure): Handle
5742         chain_circular.
5743         * doc/gty.texi: Document chain_circular.
5745 2008-04-28  Richard Guenther  <rguenther@suse.de>
5747         PR tree-optimization/36066
5748         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
5749         SCEV and loop.
5751 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
5753         PR target/36064
5754         * config/i386/i386.md
5755         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
5756         Use match_scratch instead of match_operand for operands 3 and 4.
5758 2008-04-27  Richard Guenther  <rguenther@suse.de>
5760         PR tree-optimization/18754
5761         PR tree-optimization/34223
5762         * tree-pass.h (pass_complete_unrolli): Declare.
5763         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
5764         loop size before and after unconditionally of UL_NO_GROWTH in effect.
5765         Rewrite loop into loop closed SSA form if it is not already.
5766         (tree_unroll_loops_completely): Re-structure to iterate over
5767         innermost loops with intermediate CFG cleanups.
5768         Unroll outermost loops only if requested or the code does not grow
5769         doing so.
5770         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
5771         loops are available.
5772         (tree_vectorize): Instead do so here.
5773         (tree_complete_unroll): Also unroll outermost loops.
5774         (tree_complete_unroll_inner): New function.
5775         (gate_tree_complete_unroll_inner): Likewise.
5776         (pass_complete_unrolli): New pass.
5777         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
5778         uses outside of the loop.
5779         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
5780         form if it is available.  
5781         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
5782         * passes.c (init_optimization_passes): Schedule complete inner
5783         loop unrolling pass before the first CCP pass after final inlining.
5785 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
5787         * targhooks.h (default_emutls_var_fields,
5788         default_emutls_var_init): Declare.
5789         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
5790         * target.h (struct gcc_target): Add struct emutls member.
5791         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
5792         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
5793         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
5794         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
5795         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
5796         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
5797         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
5798         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
5799         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
5800         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
5801         emit debug information.
5802         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
5803         * varasm.c: Include targhooks.h.
5804         (emutls_object_section, emutls_tmpl_section): New.
5805         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
5806         (EMUTLS_SEPARATOR): New.
5807         (prefix_name): New.
5808         (get_emutls_object_name): New.
5809         (default_emutls_var_fields): New, broken out of ...
5810         (get_emutls_object_type): ... here.  Adjust to use target hooks.
5811         (get_emutls_init_templ_addr): Adjust to use target hooks.
5812         (emutls_decl): Adjust to use target hooks.
5813         (emutls_finish): Likewise.
5814         (default_emutls_var_init): New, broken out of ...
5815         (assemble_variable): ... here.  Adjust to use target hooks.
5816         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
5817         SECCAT_EMUTLS_TMPL.
5818         * c-common.c (handle_section_attribute): Prevent overriding
5819         sections for emulated tls with special sections.
5820         * config/i386/i386.c (x86_64_elf_select_section): Add
5821         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
5822         (x86_64_elf_unique_section): Likewise.
5823         * config/vxworks.c: Include tree.h.
5824         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
5825         (vxworks_override_options): Set TLS scheme.
5826         * doc/tm.texi (Emulated TLS): New node.
5828 2008-04-26  Simon Baldwin <simonb@google.com>
5830         PR c/35652
5831         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
5832         with propagated string constants.
5834 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
5836         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
5837         constraint for operand 2 when operand 0 is memory operand.
5838         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
5839         operand 0 is memory operand.
5840         (fix_trunc<mode>_i387_with_temp): Ditto.
5841         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
5842         operand 2 when operand 1 is memory operand.
5843         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
5844         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
5845         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
5846         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
5847         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
5848         operands 2,3 and 4 when operand 1 is memory operand.
5849         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
5850         is memory operand.
5851         (fistdi2_floor_with_temp): Ditto.
5852         (fist<mode>2_floor_with_temp): Ditto.
5853         (fistdi2_ceil_with_temp): Ditto.
5854         (fist<mode>2_ceil_with_temp): Ditto.
5855         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
5857 2008-04-26  David Daney  <ddaney@avtrex.com>
5859         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
5860         unspec_volitile.
5861         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
5862         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
5863         UNSPEC_UPDATE_GOT_VERSION): Renumber.
5864         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
5865         (compare_and_swap_12): New insn.
5866         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
5867         * config/mips/mips.c (mips_force_binary): New function.
5868         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
5869         (mips_expand_compare_and_swap_12): New function.
5870         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
5872 2008-04-25  Jan Hubicka  <jh@suse.cz>
5874         PR testsuite/35843
5875         * cfgexpand.c (pass_expand): Turn into RTL pass.
5876         * passes.c (execute_one_pass): Do pass typechecking after execution.
5877         * tree-pass.h (pass_expand): Turn into RTL pass.
5879         * function.h (struct rtl_data): Move here fields
5880         accesses_prior_frames, calls_eh_return, saves_all_registers,
5881         has_nonlocal_goto, has_asm_statement, is_thunk,
5882         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
5883         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
5884         arg_pointer_save_area_init from struct function; turn into bool.
5885         (struct function): Move
5886         calls_eh_return, saves_all_registers, has_nonlocal_goto,
5887         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
5888         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
5889         tail_call_emit, arg_pointer_save_area_init
5890         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
5891         (current_function_returns_struct, current_function_returns_pcc_struct,
5892         current_function_calls_setjmp, current_function_calls_alloca,
5893         current_function_accesses_prior_frames,
5894         current_function_calls_eh_return, current_function_is_thunk,
5895         current_function_stdarg, current_function_profile,
5896         current_function_limit_stack, current_function_uses_pic_offset_table,
5897         current_function_uses_const_pool, current_function_has_nonlocal_label,
5898         current_function_saves_all_registers,
5899         current_function_has_nonlocal_goto,
5900         current_function_has_asm_statement): Remove accesor macros.
5901         * ra-conflict.c (global_conflicts): Update.
5902         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
5903         (suitable_for_tail_call_opt_p): Update.
5904         * builtins.c (expand_builtin_return_addr): Update.
5905         (expand_builtin_setjmp_setup): Update.
5906         (expand_builtin_nonlocal_goto): Update.
5907         * final.c (final_start_function): Update.
5908         (profile_function): Update.
5909         (leaf_function_p): Update.
5910         (only_leaf_regs_used): Update.
5911         * df-scan.c (df_get_exit_block_use_set): Update.
5912         * dojump.c (clear_pending_stack_adjust): Update.
5913         * tree-stdarg.c (gate_optimize_stdarg): Update.
5914         * gimple-low.c (lower_function_body): Update.
5915         * global.c (compute_regsets): Update.
5916         (global_alloc): Update.
5917         * dwarf2out.c (dwarf2out_begin_prologue): Update.
5918         * expr.c (expand_assignment): Update.
5919         * dse.c (dse_step0): Update.
5920         (dse_step1): Update.
5921         * c-decl.c (store_parm_decls): Update.
5922         * local-alloc.c (combine_regs): Update.
5923         (find_free_reg): Update.
5924         * function.c (assign_parms_augmented_arg_list): Update.
5925         (assign_parm_find_data_types): Update.
5926         (assign_parms): Update.
5927         (allocate_struct_function): Update.
5928         (expand_function_start): Update.
5929         (expand_function_end): Update.
5930         (get_arg_pointer_save_area): Update.
5931         (thread_prologue_and_epilogue_insns): Update.
5932         (rest_of_match_asm_constraints): Update.
5933         * stor-layout.c (variable_size): Update.
5934         * gcse.c (gcse_main): Update.
5935         (bypass_jumps): Update.
5936         * gimplify.c (gimplify_function_tree): Update.
5937         * calls.c (emit_call_1): Update.
5938         (expand_call): Update.
5939         * bt-load.c (compute_defs_uses_and_gen): Update.
5940         * except.c (sjlj_assign_call_site_values): Update.
5941         (sjlj_emit_function_enter): Update.
5942         (can_throw_external): Update.
5943         (set_nothrow_function_flags): Update.
5944         (expand_builtin_unwind_init): Update.
5945         (expand_eh_return): Update.
5946         (convert_to_eh_region_ranges): Update.
5947         (output_function_exception_table): Update.
5948         * emit-rtl.c (gen_tmp_stack_mem): Update.
5949         * cfgexpand.c (expand_used_vars): Update.
5950         (tree_expand_cfg): Update.
5951         * cfgcleanup.c (rest_of_handle_jump): Update.
5952         * explow.c (allocate_dynamic_stack_space): Update.
5953         * varasm.c (assemble_start_function): Update.
5954         (force_const_mem): Update.
5955         (mark_constant_pool): Update.
5956         * tree-optimize.c (tree_rest_of_compilation): Update.
5957         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
5958         * tree-cfg.c (notice_special_calls): Update.
5959         (is_ctrl_altering_stmt): Update.
5960         (tree_can_make_abnormal_goto): Update.
5961         (tree_purge_dead_abnormal_call_edges): Update.
5962         * config/alpha/predicates.md: Update.
5963         * config/alpha/alpha.c (alpha_sa_mask): Update.
5964         (alpha_sa_size): Update.
5965         (alpha_does_function_need_gp): Update.
5966         (alpha_expand_prologue): Update.
5967         (alpha_start_function): Update.
5968         (alpha_output_function_end_prologue): Update.
5969         (alpha_expand_epilogue): Update.
5970         * config/frv/frv.c (frv_stack_info): Update.
5971         (frv_expand_epilogue): Update.
5972         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
5973         (s390_register_info): Update.
5974         (s390_frame_info): Update.
5975         (s390_init_frame_layout): Update.
5976         (s390_can_eliminate): Update.
5977         (save_gprs): Update.
5978         * config/spu/spu.c (spu_split_immediate): Update.
5979         (need_to_save_reg): Update.
5980         (spu_expand_prologue): Update.
5981         (spu_expand_epilogue): Update.
5982         * config/sparc/sparc.md: Update.
5983         * config/sparc/sparc.c (eligible_for_return_delay): Update.
5984         (sparc_tls_got): Update.
5985         (legitimize_pic_address): Update.
5986         (sparc_emit_call_insn): Update.
5987         (sparc_expand_prologue): Update.
5988         (output_return): Update.
5989         (print_operand): Update.
5990         (sparc_function_ok_for_sibcall): Update.
5991         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
5992         * config/m32r/m32r.md: Update.
5993         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
5994         (m32r_compute_frame_size): Update.
5995         (m32r_expand_prologue): Update.
5996         (m32r_expand_epilogue): Update.
5997         (m32r_legitimize_pic_address): Update.
5998         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
5999         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
6000         * config/i386/i386.c (ix86_frame_pointer_required): Update.
6001         (gen_push): Update.
6002         (ix86_save_reg): Update.
6003         (ix86_compute_frame_layout): Update.
6004         (ix86_expand_prologue): Update.
6005         (ix86_expand_epilogue): Update.
6006         * config/sh/sh.c (output_stack_adjust): Update.
6007         (calc_live_regs): Update.
6008         (sh5_schedule_saves): Update.
6009         (sh_expand_prologue): Update.
6010         (sh_expand_epilogue): Update.
6011         (sh_setup_incoming_varargs): Update.
6012         (sh_allocate_initial_value): Update.
6013         (sh_get_pr_initial_val): Update.
6014         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
6015         * config/sh/sh.md (label:): Update.
6016         * config/avr/avr.c (out_movhi_mr_r): Update.
6017         * config/crx/crx.h (enum): Update.
6018         * config/xtensa/xtensa.h (along): Update.
6019         * config/stormy16/stormy16.c Update.
6020         (xstormy16_compute_stack_layout): Update.
6021         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
6022         (fr30_expand_prologue): Update.
6023         * config/cris/cris.c (cris_conditional_register_usage): Update.
6024         (cris_reg_saved_in_regsave_area): Update.
6025         (cris_initial_frame_pointer_offset): Update.
6026         (cris_simple_epilogue): Update.
6027         (cris_expand_prologue): Update.
6028         (cris_expand_epilogue): Update.
6029         (cris_expand_pic_call_address): Update.
6030         (cris_asm_output_symbol_ref): Update.
6031         (cris_asm_output_label_ref): Update.
6032         * config/cris/cris.md Update.
6033         * config/iq2000/iq2000.c (compute_frame_size): Update.
6034         (iq2000_expand_epilogue): Update.
6035         * config/mt/mt.h (save_direction): Update.
6036         * config/mn10300/mn10300.c (mn10300_function_value): Update.
6037         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
6038         (ia64_secondary_reload_class): Update.
6039         * config/m68k/m68k.c (m68k_save_reg): Update.
6040         (m68k_expand_prologue): Update.
6041         (m68k_expand_epilogue): Update.
6042         (legitimize_pic_address): Update.
6043         * config/rs6000/rs6000.c (rs6000_got_register): Update.
6044         (first_reg_to_save): Update.
6045         (first_altivec_reg_to_save): Update.
6046         (compute_vrsave_mask): Update.
6047         (compute_save_world_info): Update.
6048         (rs6000_stack_info): Update.
6049         (spe_func_has_64bit_regs_p): Update.
6050         (rs6000_ra_ever_killed): Update.
6051         (rs6000_emit_eh_reg_restore): Update.
6052         (rs6000_emit_allocate_stack): Update.
6053         (rs6000_emit_prologue): Update.
6054         (rs6000_emit_epilogue): Update.
6055         (rs6000_output_function_epilogue): Update.
6056         (output_profile_hook): Update.
6057         (rs6000_elf_declare_function_name): Update.
6058         * config/rs6000/rs6000.h (rs6000_args): Update.
6059         * config/rs6000/rs6000.md: Update.
6060         * config/mcore/mcore.c (mcore_expand_prolog): Update.
6061         * config/arc/arc.c (arc_output_function_epilogue): Update.
6062         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
6063         * config/darwin.c (machopic_function_base_name): Update.
6064         * config/score/score3.c (score3_compute_frame_size): Update.
6065         (rpush): Update.
6066         (rpop): Update.
6067         (score3_epilogue): Update.
6068         * config/score/score7.c (score7_compute_frame_size): Update.
6069         (score7_prologue): Update.
6070         (score7_epilogue): Update.
6071         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
6072         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
6073         * config/arm/arm.c (use_return_insn): Update.
6074         (require_pic_register): Update.
6075         (arm_load_pic_register): Update.
6076         (arm_compute_save_reg0_reg12_mask): Update.
6077         (arm_compute_save_reg_mask): Update.
6078         (thumb1_compute_save_reg_mask): Update.
6079         (output_return_instruction): Update.
6080         (arm_output_function_prologue): Update.
6081         (arm_output_epilogue): Update.
6082         (arm_get_frame_offsets): Update.
6083         (arm_expand_prologue): Update.
6084         (thumb_pushpop): Update.
6085         (thumb_exit): Update.
6086         (thumb1_expand_prologue): Update.
6087         (thumb1_expand_epilogue): Update.
6088         (arm_unwind_emit): Update.
6089         (arm_output_fn_unwind): Update.
6090         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
6091         * config/arm/arm.md: Update.
6092         * config/pa/pa.md: Update.
6093         * config/pa/pa.c (legitimize_pic_address): Update.
6094         (compute_frame_size): Update.
6095         (hppa_expand_prologue): Update.
6096         (hppa_expand_epilogue): Update.
6097         (borx_reg_operand): Update.
6098         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
6099         (HARD_REGNO_RENAME_OK): Update.
6100         * config/mips/mips.c (mips_global_pointer): Update.
6101         (mips_save_reg_p): Update.
6102         (mips_compute_frame_info): Update.
6103         (mips_frame_pointer_required): Update.
6104         (mips_expand_prologue): Update.
6105         (mips_expand_epilogue): Update.
6106         (mips_can_use_return_insn): Update.
6107         (mips_reorg_process_insns): Update.
6108         * config/v850/v850.c (compute_register_save_size): Update.
6109         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
6110         * config/mmix/mmix.c (along): Update.
6111         (mmix_expand_epilogue): Update.
6112         * config/bfin/bfin.c (legitimize_pic_address): Update.
6113         (must_save_p): Update.
6114         (stack_frame_needed_p): Update.
6115         (add_to_reg): Update.
6116         (bfin_expand_prologue): Update.
6117         * stmt.c (expand_asm_operands): Update.
6118         * reload1.c (reload): Update.
6119         (init_elim_table): Update.
6121 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
6122         
6123         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
6124         
6125 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
6127         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
6128         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
6129         (mov<mode>): Removed.
6130         (*movv4sf_internal): Likewise.
6131         (*movv2df_internal): Likewise.
6133 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
6135         * config.gcc (crx-*-elf): Remove deprecation.
6137 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
6139         * config/i386/cygming-crtend.c (register_frame_ctor): Register
6140         __gcc_deregister_frame with atexit.
6141         (deregister_frame_dtor): Remove.
6143 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
6144             Nathan Sidwell  <nathan@codesourcery.com>
6146         * config/rs6000/rs6000.opt (mspe): Remove Var property.
6147         (misel): Likewise.
6148         * config/rs6000/rs6000.h (rs6000_spe): Declare.
6149         (rs6000_isel): Likewise.
6150         * config/rs6000/rs6000.c (rs6000_spe): New variable.
6151         (rs6000_isel): New variable.
6152         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
6154 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
6156         PR c++/35758
6157         * c-common.c (handle_vector_size_attribute): Call
6158         lang_hooks.types.reconstruct_complex_type instead of
6159         reconstruct_complex_type.
6160         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
6161         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
6162         * langhooks.h (struct lang_hooks_for_types): Add
6163         reconstruct_complex_type hook.
6164         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
6165         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
6167 2008-04-24  Richard Guenther  <rguenther@suse.de>
6169         * c-common.h (check_builtin_function_arguments): Declare.
6170         * c-common.c (validate_nargs): New function.
6171         (check_builtin_function_arguments): Likewise.
6172         * c-typeck.c (build_function_call): Call
6173         check_builtin_function_arguments.
6174         * builtins.c (fold_builtin_classify): Remove error reporting code.
6175         (fold_builtin_unordered_cmp): Likewise.
6176         (fold_builtin_1): Likewise.
6177         (fold_builtin_n): Likewise.
6179 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
6181         PR tree-optimization/36008
6182         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
6183         the original op1, rather than delta by step.
6185 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
6186             Sebastian Pop  <sebastian.pop@amd.com>
6188         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6189         eliminate_local_variables_stmt, eliminate_local_variables,
6190         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6191         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6192         of code delimited by two edges in the CFG.
6193         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6194         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6195         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
6196         the case of parallelisation of reductions.
6197         (expr_invariant_in_region_p): New.
6199         * tree-flow.h (gather_blocks_in_sese_region): Declared.
6200         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6202 2008-04-24  Ira Rosen  <irar@il.ibm.com>
6203             Richard Guenther  <rguenther@suse.de>
6205         PR tree-optimization/36034
6206         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
6207         incapable of dealing with loads with gaps.
6209 2008-04-24  Rafael Espindola  <espindola@google.com>
6211         * tree-flow.h (vrp_evaluate_conditional): Change signature.
6212         * tree-ssa-propagate.c (fold_predicate_in): Update call to
6213         vrp_evaluate_conditional.
6214         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
6215         (vrp_evaluate_conditional): Split the cond argument.
6216         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
6217         (simplify_stmt_for_jump_threading): Update call to
6218         vrp_evaluate_conditional.
6220 2008-04-24  Ira Rosen  <irar@il.ibm.com>
6222         PR tree-optimization/35982
6223         * tree-vect-analyze.c (vect_check_interleaving): Check that the
6224         interleaved data-refs are of the same type.
6226 2008-04-24  Danny Smith  <dannysmith@users.net>
6228         * c-format.c (check_format_info_main): Use strncmp rather than a
6229         magic prefix to handle multichar length specs.
6230         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
6231         Don't prefix "I64" and "I32" with '\0'.
6233 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
6235         PR target/36015
6236         * config/i386/i386.c (init_cumulative_args): Don't pass anything
6237         in registers for -m32 only if stdarg_p (fntype).
6239 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
6241         PR rtl-optimization/36006
6242         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
6243         temp to op0 in order to avoid invalid rtx sharing.
6245 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6247         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
6248         check TREE_INVARIANT.
6249         * tree-gimple.c (is_gimple_address): New.
6250         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
6251         * tree-gimple.h (is_gimple_address): New.
6252         * tree.h (decl_address_invariant_p): New.
6253         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
6254         (build_string): Likewise.
6255         (decl_address_invariant_p): New, from is_gimple_invariant_address.
6256         (tree_invariant_p_1): Likewise.
6257         (save_expr): Use it.
6258         (tree_invariant_p): New.
6259         (skip_simple_arithmetic): Use it.
6260         (stabilize_reference_1): Use it.
6261         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
6262         simplify.
6263         (build1_stat): Drop code to compute TREE_INVARIANT.
6264         (build2_stat): Drop code to compute TREE_INVARIANT.
6265         (build3_stat): Drop code to compute TREE_INVARIANT.
6266         (build4_stat): Drop code to compute TREE_INVARIANT.
6267         (build5_stat): Drop code to compute TREE_INVARIANT.
6268         (build7_stat): Drop code to compute TREE_INVARIANT.
6269         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
6270         * tree.h (struct tree_base): Remove invariant_flag.
6271         (TREE_INVARIANT): Remove.
6272         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
6273         (fold_builtin_expect): Check TREE_CONSTANT.
6274         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
6275         * c-tree.h (c_expr_to_decl): Drop third parameter.
6276         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
6277         (build_c_cast): Don't set TREE_INVARIANT.
6278         (pop_init_level): Don't set TREE_INVARIANT.
6279         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
6280         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
6281         TREE_CONSTANT.
6282         (gimplify_init_constructor): Don't set TREE_INVARIANT.
6283         (gimplify_addr_expr): Adjust comment.
6284         * tree-mudflap.c (mf_build_string):
6285         * print-tree.c (print_node): Don't print TREE_INVARIANT.
6286         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
6287         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
6288         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
6289         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
6290         * langhooks.h (struct lang_hooks): Drop third parameter from
6291         expr_to_decl.
6293 2008-04-23  Richard Guenther  <rguenther@suse.de>
6295         PR tree-optimization/27799
6296         PR tree-optimization/32921
6297         PR tree-optimization/32624
6298         * tree-ssa-structalias.c (merge_smts_into): Only merge the
6299         SMTs aliases and the tag itself into the solution.
6300         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
6301         merge the points-to solution back into the SMT aliases.
6302         (may_alias_p): Use alias_set_subset_of instead of
6303         aliases_conflict_p.  A pointer which points to
6304         memory with alias set zero may access any variable.
6306 2008-04-23  Richard Guenther  <rguenther@suse.de>
6308         * alias.c (alias_set_subset_of): Correctly handle asking
6309         if zero is a subset of an alias set with zero child.
6310         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
6311         (compute_flow_insensitive_aliasing): Correctly walk all
6312         pointers.  Do not unnecessarily union sets.
6314 2008-04-23  Richard Guenther  <rguenther@suse.de>
6316         PR middle-end/36021
6317         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
6319 2008-04-22  Tomas Bily  <tbily@suse.cz>
6321         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
6322         unreachable case.
6323         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
6324         NON_LVALUE_EXPR.
6325         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
6326         * tree-ssa-structalias.c (get_constraint_for): Likewise.
6327         * tree-inline.c (estimate_num_insns_1): Likewise.
6328         * varasm.c (const_hash_1, compare_constant, copy_constant)
6329         (compute_reloc_for_constant, output_addressed_constants): Likewise.
6330         * emit-rtl.c (component_ref_for_mem_expr)
6331         (set_mem_attributes_minus_bitpos): Likewise.
6332         * expr.c (highest_pow2_factor, expand_expr_real_1, )
6333         (is_aligning_offset): Likewise.
6334         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
6335         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
6336         * dojump.c (do_jump): Likewise.
6337         * builtins.c (get_pointer_alignment, get_memory_rtx)
6338         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
6339         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
6341 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
6343         PR rtl-optimization/36017
6344         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
6345         expanding the library call.
6347 2008-04-22  Ian Lance Taylor  <iant@google.com>
6349         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
6350         than size_in_bytes.
6352 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
6354         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
6355         of LR/CTR moves for Power6.
6357 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
6359         PR middle-end/36003
6360         * passes.c (init_optimization_passes): Remove
6361         pass_fast_rtl_byte_dce.
6362         
6363 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
6365         PR target/29096
6366         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
6367         builtin functions to generate faster code.
6368         (_mm_cvtpu16_ps): Ditto.
6369         (_mm_cvtpi32x2_ps): Ditto.
6371 2008-04-22  Nick Clifton  <nickc@redhat.com>
6373         * common.opt (ftree-loop-distribution): Add Optimization
6374         attribute.
6376         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
6377         (frv_expand_builtin_va_start): Likewise.
6379         * config/arm/arm.c (thumb_find_work_register): Fix location of
6380         argument register count.
6382 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
6384         Support scheduling for ColdFire V1 and V3 microarchitecture.
6385         Improve scheduling of multiplication instructions.
6387         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
6388         (mac): New instruction attribute.
6389         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
6390         (m68k_sched_mac): New variable.
6391         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
6392         Handle cfv1 and cfv3.
6393         (max_insn_size): New static variable.
6394         (struct _sched_ib): New type.
6395         (sched_ib): New static variable.
6396         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
6397         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
6398         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
6399         Update.
6400         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
6401         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
6402         new variables.  Update.
6403         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
6404         Add modeling of cfv3 instruction buffer.  Update.
6405         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
6406         * config/m68k/m68k.h (TUNE_CFV3): New macro.
6407         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
6408         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
6409         a particular reservation applies to.
6410         (type2): Reorganize attribute values.  Rename alu to alu_reg,
6411         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
6412         to mul_l and mul_w.
6413         (cf_ib_*): Simplify description of instruction buffer.
6414         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
6415         (cf_mem): Split into cf_mem1 and cf_mem2.
6416         (cf_v2_move_??): Rename to cfv12_alu_??.
6417         (cf_v2_move_l_??): Rename to cfv12_omove_??.
6418         (cf_v2_mul_??): Remove reservations.
6419         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
6420         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
6421         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
6422         appropriate place.
6423         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
6424         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
6425         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
6426         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
6427         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
6428         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
6429         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
6430         expansions of the above reservations for instructions of sizes
6431         1, 2 and 3 words.
6433 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
6435         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
6437 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
6439         * coverage.c: Include tree-pass.h.
6440         (coverage_counter_alloc): Print da_file_name to the dump file.
6442 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
6444         * sbitmap.c (sbitmap_range_empty_p): New function.
6445         * sbitmap.h (sbitmap_range_empty_p): New function.
6446         * bitmap.h: Now includes obstack.h.
6448 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
6449             Kenneth Zadeck  <zadeck@naturalbridge.com>
6451         * dbgcnt.def (ra_byte_scan): Added.
6452         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
6453         when the last hit happens for a counter.  
6454         * timevar.def (TV_DF_BYTE_LR): New variable.
6455         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
6456         * passes.c (pass_fast_rtl_byte_dce): New pass.
6457         * fwprop.c (update_df): Added mode to call df_ref_create.
6458         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
6459         DF_REF_EXTRACT_OFFSET.
6460         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
6461         DF_BYTE_LR_OUT, df_byte_lr): New macro.
6462         (df_mm): New enum.
6463         (df_ref_extract): Added mode field.
6464         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
6465         DF_REF_EXTRACT_OFFSET.
6466         (DF_REF_EXTRACT_MODE): New macro.
6467         (df_byte_lr_bb_info): New structure.
6468         (df_print_byte_regset, df_compute_accessed_bytes, 
6469         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
6470         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
6471         df_byte_lr_simulate_uses,
6472         df_byte_lr_simulate_artificial_refs_at_top,
6473         df_byte_lr_simulate_artificial_refs_at_end,
6474         df_compute_accessed_bytes): New function.
6475         (df_ref_create): Add parameter.
6476         (df_byte_lr_get_bb_info): New inline function.
6477         * df-scan.c (df_ref_record, df_uses_record,
6478         df_ref_create_structure): Added mode parameter.
6479         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
6480         df_defs_record, df_uses_record, df_get_conditional_uses,
6481         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
6482         df_entry_block_defs_collect, df_exit_block_uses_collect):
6483         Added mode parameter to calls to df_ref_record, df_uses_record,
6484         df_ref_create_structure.
6485         (df_ref_equal_p, df_ref_compare): Added test for modes.
6486         (df_ref_create_structure): Added code to set mode.  Renamed
6487         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
6488         DF_REF_EXTRACT_OFFSET.
6489         * df-core.c (df_print_byte_regset): New function.
6490         * df-byte-scan.c: New file.
6491         * df-problems.c (df_rd_transfer_function): Removed unnecessary
6492         calls to BITMAP_FREE.  
6493         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
6494         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
6495         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
6496         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
6497         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
6498         df_byte_lr_local_compute, df_byte_lr_init,
6499         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
6500         df_byte_lr_transfer_function, df_byte_lr_free, 
6501         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
6502         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
6503         df_byte_lr_simulate_uses,
6504         df_byte_lr_simulate_artificial_refs_at_top,
6505         df_byte_lr_simulate_artificial_refs_at_end): New function.
6506         * dce.c (byte_dce_process_block): New function.
6507         (dce_process_block): au is now passed in rather than computed
6508         locally.  Changed loops that look at artificial defs to not look
6509         for conditional or partial ones, because there never are any.  
6510         (fast_dce): Now is able to drive byte_dce_process_block or 
6511         dce_process_block depending on the kind of dce being done.
6512         (rest_of_handle_fast_dce): Add parameter to fast_dce.
6513         (rest_of_handle_fast_byte_dce): New function.
6514         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
6515         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
6517 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
6519         PR fortran/35019
6520         * gcc.h: Added fortran options that take arguments to
6521         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
6522         macros.
6524 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
6526         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
6527         scalarization if on the LHS and not a full access.
6529 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6531         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
6533 2008-04-18  Rafael Espindola  <espindola@google.com>
6535         * tree-vrp.c (find_case_label_index): Fix the binary search.
6536         (find_case_label_range): New.
6537         (vrp_visit_switch_stmt): Use find_case_label_range.
6538         (simplify_switch_using_ranges): Use find_case_label_range.
6540 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
6542         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
6543         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
6545 2008-04-18  Tom Tromey  <tromey@redhat.com>
6547         PR libcpp/15500:
6548         * doc/cpp.texi (Implementation-defined behavior): Mention
6549         -finput-charset.
6551 2008-04-18  Ian Lance Taylor  <iant@google.com>
6553         * fold-const.c (pointer_may_wrap_p): New static function.
6554         (fold_comparison): Add another test for pointer overflow.  Use
6555         pointer_may_wrap_p to disable some false positives.
6557 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
6558           
6559         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
6560         (fname_as_string): Match updated cpp_interpret_string prototype.
6561         (fix_string_type): Support char16_t* and char32_t*.
6562         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
6563         derivative) nodes.  Register as builtin if C++0x.
6564         (c_parse_error): Support CPP_CHAR{16,32}.
6565         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
6566         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
6567         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
6568         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
6569         CTI_CHAR32_ARRAY_TYPE>: New elements.
6570         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
6571         char32_type_node, signed_char32_type_node, char16_array_type_node,
6572         char32_array_type_node): New defines.
6573         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
6574         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
6575         (lex_string): Support CPP_STRING{16,32}, match updated
6576         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
6577         (lex_charconst): Support CPP_CHAR{16,32}.
6578         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
6579         and CPP_STRING{16,32}.
6581 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
6583         PR bootstrap/35457
6584         * aclocal.m4: Regenerate.
6585         * configure: Regenerate.
6587 2008-04-18  Jan Hubicka  <jh@suse.cz>
6589         * except.c (dw2_size_of_call_site_table,
6590         sjlj_size_of_call_site_table): Use vector API for call_site_record.
6592         * cgraphbuild.c (build_cgraph_edges): Update.
6593         * tree-pass.h: Update comment.
6594         * final.c (leaf_function_p): Update.
6595         (leaf_renumber_regs): Update.
6596         (rest_of_clean_state): Update.
6597         * omp-low.c (expand_omp_parallel): Update.
6598         * ipa-reference.c (analyze_function): Update.
6599         * reorg.c (find_end_label): Update.
6600         (optimize_skip): Update.
6601         (fill_simple_delay_slots): Update.
6602         (fill_simple_delay_slots): Update.
6603         (make_return_insns): Update.
6604         (dbr_schedule): Update.
6605         * gimple-low.c (record_vars_into): Update.
6606         * cfgbuild.c (make_edges): Update.
6607         * function.c (assign_stack_local): Update.
6608         (assign_parm_adjust_stack_rtl): Update.
6609         (locate_and_pad_parm): Update.
6610         (allocate_struct_function): Do not initialize stack_alignment_needed
6611         and preferred_stack_boundary here.
6612         (stack_protect_prologue): Update.
6613         (stack_protect_epilogue): Update.
6614         (expand_function_start): Initialize stack_alignment_needed,
6615         preferred_stack_boundary and max_jumptable_ents.
6616         (expand_function_end): Update.
6617         (free_after_compilation): Do not NULLify epilogue_delay_list.
6618         * function.h (struct rtl_data): Add stack_protect_guard,
6619         stack_alignment_needed,
6620         preferred_stack_boundary, epilogue_delay_list.
6621         (struct function): Remove value_histograms, stack_alignment_needed,
6622         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
6623         last_label_uid,
6624         unexpanded_var_list, stack_protect_guard.
6625         (current_function_epilogue_delay_list): Remove.
6626         * ipa-type-escape.c (analyze_function): Update.
6627         * gimplify.c (pop_gimplify_context): Update comment.
6628         * calls.c (expand_call): Update.
6629         (emit_library_call_value_1): Update.
6630         * except.c (set_nothrow_function_flags): Update.
6631         * cfgexpand.c (get_decl_align_unit): Update.
6632         (create_stack_guard): Update.
6633         (estimated_stack_frame_size): Update.
6634         (expand_used_vars): Update.
6635         (tree_expand_cfg): Free histogram earliers, init expansion variables.
6636         * explow.c (allocate_dynamic_stack_space): Update.
6637         * tree-ssa-live.c (remove_unused_locals): Update.
6638         * varasm.c (mark_constant_pool): Update.
6639         * tree-inline.c (remap_decls): Update.
6640         (initialize_cfun): Update.
6641         (declare_return_variable): Update.
6642         (inline_forbidden_p): Update.
6643         (expand_call_inline): Update.
6644         (declare_inline_vars): Update.
6645         (tree_function_versioning): Update.
6646         * tree-flow.h (value_histograms): New.
6647         (VALUE_HISTOGRAMS): New macro.
6648         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
6649         last_label_uid.
6650         * tree-cfg.c (set_bb_for_stmt): Update.
6651         (replace_by_duplicate_decl): Update.
6652         (move_block_to_fn): Update.
6653         (new_label_mapper): Update.
6654         (dump_function_to_file): Update.
6655         * ipa-struct-reorg.c (build_data_structure): Update.
6656         * cfgrtl.c (print_rtl_with_bb): Update.
6657         * reload1.c (reload): Update.
6658         (reload): Update.
6659         * config/i386/i386.c (setup_incoming_varargs_64,
6660         ix86_compute_frame_layout): Update.
6661         * config/arc/arc.c (arc_output_function_epilogue): Update.
6663 2008-04-18  Marius Strobl <marius@FreeBSD.org>
6665         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
6666         for FreeBSD as well.
6667         * gthr-posix95.h: Likewise.
6669 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
6671         PR rtl-optimization/35838
6672         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
6673         out the byte offset of the first subreg.
6675 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
6677         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
6678         to split_ti instead of three separate calls with single member arrays.
6679         (subti3 splitter): Ditto.
6680         (adddi3 splitter): Ditto with split_di.
6681         (subdi3 splitter): Ditto.
6682         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
6683         two separate calls with single member arrays.  Swap match_dup
6684         operands 1 and 2 to better fit into the array.
6685         (negdi2 splitter): Ditto with split_di.
6686         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
6687         two separate calls with single member arrays.  Swap match_dup operands
6688         6 and 7 to better fit into the array.
6690 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
6692         * config/i386/i386.c (sse_builtin_type): New.
6693         (bdesc_sse_args): Likewise.
6694         (bdesc_sse_3arg): Removed.
6695         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
6696         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
6697         IX86_BUILTIN_ROUNDPS.
6698         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
6699         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
6700         IX86_BUILTIN_ROUNDPS.
6701         (ix86_expand_sse_4_operands_builtin): Removed.
6702         (ix86_expand_sse_operands_builtin): New.
6703         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
6704         and CODE_FOR_sse4_1_roundps.
6705         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
6706         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
6708 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
6710         PR target/35907
6711         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
6712         regs before frame pop when needed.  If use_backchain_to_restore_sp
6713         then load backchain into a temp reg to restore vr and vrsave.  Add
6714         code to restore vr after frame pop if possible.
6716 2008-04-17  Richard Guenther  <rguenther@suse.de>
6718         * tree-vn.c (expressions_equal_p): Do not check type
6719         equality or compatibility before calling operand_equal_p.
6720         * fold-const.c (operand_equal_p): Check equivalence of
6721         integer constants before bailing out due to signedness or
6722         precision differences.
6723         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
6724         spurious differences in type qualification.  Ignore types
6725         for COMPONENT_REFs at all.
6727 2008-04-17  Christian Bruel  <christian.bruel@st.com>
6729         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
6730         msw_skip comparison.
6731         
6732 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
6734         PR c/35739
6735         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
6736         reg type.
6738         PR tree-optimization/35899
6739         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
6740         rather than TREE_OPERAND.
6742 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
6744         PR target/35944
6745         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
6746         temporary registers.  Change operand predicate to general_operand.
6747         (remainderxf3): Ditto.
6749 2008-04-16  Richard Guenther  <rguenther@suse.de>
6751         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
6752         * tree-affine.c (aff_combination_expand): Look through some
6753         conversions.
6755 2008-04-15  Doug Kwan  <dougkwan@google.com>
6757         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
6758         for hex printing.
6759         * tree-pretty-print.c (dump_generic_node): Ditto.
6760         * final.c (output_addr_const): Ditto.
6761         * dwarf2out.c (output_cfi): Ditto.
6762         * c-pretty-print.c (pp_c_integer_constant): Ditto.
6763         * print-rtl.c (print_rtx): Ditto.
6764         * print-tree.c (print_node_brief, print_node): Ditto.
6765         * c-common.c (match_case_to_enum_1): Ditto.
6766         * sched-vis.c (print_value): Ditto.
6767         * config/i386/i386.c (print_operand): Cast to long unsigned int
6768         for hex printing.
6770 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
6771         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
6772         MS Windows VirtualProtect function.
6774 2008-04-15  Jan Hubicka  <jh@suse.cz>
6776         * gengtype.c (write_root): Param_is argument is OK.
6777         * expr.c (expand_expr_real_1): Update call of get_exception_*.
6778         * function.h: Include varray.h
6779         (rtl_eh): New stucture based on except.c one.
6780         (call_site_record): New forward declaration and vector type.
6781         * calls.c (emit_call_1): Do not call
6782         note_current_region_may_contain_throw.
6783         * except.c (eh_status): Remove cur_region, try_region since they are
6784         unused.
6785         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
6786         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
6787         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
6788         Remove call_site_data_used, call_site_data_size.
6789         Turn call_site_record into vector in function.h.
6790         (note_current_region_may_contain_throw): Remove.
6791         (get_exception_pointer, get_exception_filter): Do not take struct
6792         function argument; update.
6793         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
6794         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
6795         build_post_landing_pads, dw2_build_landing_pads,
6796         sjlj_assign_call_site_values, sjlj_mark_call_sites,
6797         sjlj_emit_function_enter, sjlj_emit_function_enter, 
6798         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
6799         sjlj_build_landing_pads, finish_eh_generation,
6800         remove_exception_handler_label, remove_eh_handler,
6801         maybe_remove_eh_handler, add_reachable_handler,
6802         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
6803         add_action_record, collect_one_action_chain, add_call_site,
6804         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
6805         sjlj_output_call_site_table, output_function_exception_table,
6806         * except.h (note_current_region_may_contain_throw): Remove
6807         (get_exception_pointer, get_exception_filter): Do not take struct
6808         function argument.
6809         * Makefile.in (GTFILES): Put varargs before struct function.
6811 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
6813         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
6814         punt for STRING_CST.
6815         (get_constraint_for): Deal with STRING_CST here instead.
6817 2008-04-15  Richard Guenther  <rguenther@suse.de>
6819         * tree-ssa-propagate.c (substitute_and_fold): Substitute
6820         statements in a basic-block with a backward walk.  Do not
6821         substitute into dead statements but instead remove those.
6823 2008-04-15  Richard Guenther  <rguenther@suse.de>
6825         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
6826         to zero, thus disable creation of SFTs.
6828 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
6830         * tree-predcom.c (suitable_reference_p): Return false if the
6831         reference can throw.
6833 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
6835         PR c/35751
6836         * c-decl.c (finish_decl): If extern or static var has variable
6837         size, set TREE_TYPE (decl) to error_mark_node.
6839 2008-04-15  Rafael Espindola  <espindola@google.com>
6841         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
6842         variable arg1.
6844 2008-04-15  Richard Guenther  <rguenther@suse.de>
6846         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
6847         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
6848         (visit_reference_op_load): Do walk vuse-vdef chains on
6849         vn_reference_lookup.
6850         (visit_reference_op_store): But do not here.
6851         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
6852         vn_reference_lookup.
6853         (vn_lookup_with_vuses): But do so here.
6855 2008-04-14  Ian Lance Taylor  <iant@google.com>
6857         * fold-const.c (fold_overflow_warning): Remove assertion.
6859 2008-04-15  Ben Elliston  <bje@au.ibm.com>
6861         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
6862         temp1 local variables.
6864 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
6866         PR target/35661
6867         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
6868         ".text.unlikely" section as executable.
6870 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
6872         * config/ia64/ia64.c (rtx_needs_barrier): Handle
6873         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
6874         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
6875         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
6876         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
6877         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
6878         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
6880 2008-04-14  Ian Lance Taylor  <iant@google.com>
6882         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
6883         * fold-const.c (fold_comparison): If appropriate, test
6884         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
6885         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
6886         reassociating a pointer type.
6887         * doc/invoke.texi (Optimize Options): Document that
6888         -fstrict-overflow applies to pointer wraparound.
6890 2008-04-13  Jan Hubicka  <jh@suse.cz>
6892         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
6894 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
6896         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
6897         we are going to "save the world".
6899 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
6901         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
6902         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
6903         operand 0 constraint, not "=".
6905 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
6907         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
6909 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6911         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
6912         of size of positions_needed * CHAR_BIT.
6914 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6916         PR middle-end/35897
6917         * dse.c (store_info): Change positions_needed to unsigned
6918         HOST_WIDE_INT.
6919         (lowpart_bitmask): New.
6920         (record_store): Cast to unsigned HOST_WIDE_INT for
6921         positions_needed.  Assert width <= size of positions_needed *
6922         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
6923         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
6924         lowpart_bitmask to set mask.
6926 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
6928         * config/bfin/constraints.md: New file.
6929         * config/bfin/bfin.md: Include it.
6930         (adddi3): Use satisfies_constraint functions instead of the old macros.
6931         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
6932         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
6933         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
6934         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
6935         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
6936         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
6937         EXTRA_CONSTRAINT): Delete.
6938         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
6939         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
6940         of the old macros.
6941         * config/bfin/bfin.c: Include "tm-constrs.h".
6942         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
6943         Use satisfies_constraint functions instead of the old macros.
6944         * doc/md.texi (Blackfin Constraints): Update file name reference.
6946 2008-04-11  Richard Guenther  <rguenther@suse.de>
6948         PR tree-optimization/35869
6949         * tree-vrp.c (execute_vrp): Move switch statement update after
6950         jump threading.  Schedule another cfg cleanup run.
6952 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
6954         PR c/35744
6955         * attribs.c (decl_attributes): Return early on errorneous node.
6957 2008-04-10  Oleg Ryjkov  <olegr@google.com>
6959         * tree.h (struct tree_base): Added a new flag default_def_flag.
6960         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
6962 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6964         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
6966 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6968         PR target/35768
6969         * pa.md: Define mode iterator P.  Define mode attribute dwc.
6970         (dcacheflush): Update pattern to use iterator P and attribute dwc.
6971         (icacheflush): Likewise.
6972         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
6973         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
6975 2008-04-11  Ben Elliston  <bje@au.ibm.com>
6977         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
6979 2008-04-10  Rafael Espindola  <espindola@google.com>
6981         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
6982         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
6983         (extract_range_from_expr): The same.
6985 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
6987         * config/mips/mips.md (GPR2): New mode iterator.
6988         (seq): Add comment.
6989         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
6990         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
6991         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
6992         Rewrite these to take two modes, the mode of comparison and the
6993         mode of the destination.
6994         * config/mips/mips.c (mips_expand_scc): Instead of having
6995         paradoxical subreg as destination, expand "narrowing" scc if mode
6996         of comparison is SI and target is requested in DI mode.
6997         (mips_emit_int_order_test): Update comment.  Make mode of
6998         comparison match CMP0 rather than TARGET.  When creating inverse
6999         target use mode of TARGET.
7001 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
7003         * gcov-dump.c (tag_summary): Only print summaries for the first
7004         GCOV_COUNTERS_SUMMABLE counters.
7006 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
7008         * config/i386/i386.md (absneg): New code iterator.
7009         (absnegprefix): New code attribute.
7010         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
7011         patterns using absneg code iterator.
7012         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
7013         using absneg code iterator.
7014         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
7015         *neg<mode>2 patterns using absneg code iterator.
7016         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
7017         *negextendsfdf2 patterns using absneg code iterator.
7018         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
7019         *negextendsfxf2 patterns using absneg code iterator.
7020         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
7021         *negextendsfdf2 patterns using absneg code iterator.
7022         * config/i386/sse.md (<code><mode>2): Macroize expander from
7023         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
7025 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
7027         * config/s390/s390.h: Remove the remains of the recent search
7028         & replace action of current_function_outgoing_args_size.
7030 2008-04-10  Ira Rosen  <irar@il.ibm.com>
7032         PR tree-optimization/35821
7033         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
7034         NEW_STMT_LIST is not NULL.
7036 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
7038         PR libstdc++/35597
7039         * toplev.c (process_options): Remove -ffunction-sections debugging
7040         warning.
7042 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
7044         PR middle-end/PR28690
7045         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
7046         than gen_rtx_fmt_ee to perform more canonicalizations.
7048 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7050         PR driver/35665
7051         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
7053 2008-04-09  Richard Guenther  <rguenther@suse.de>
7055         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
7056         (dump_function_to_file): Dump function arguments with types.
7058 2008-04-08  Richard Guenther  <rguenther@suse.de>
7060         * fold-const.c (fold_widened_comparison): Do not allow
7061         sign-changes that change the result.
7063 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
7065         PR target/35839
7066         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
7067         kinds of indirect references.
7069 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
7071         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
7072         GNU Fortran language string.
7074 2008-04-08  Rafael Espindola  <espindola@google.com>
7076         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
7077         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
7078         * tree.h (tree_call_nonnegative_warnv_p): New.
7080 2008-04-08  Jan Hubicka  <jh@suse.cz>
7082         * function.c (free_after_compilation): Clear out regno_reg_rtx
7083         pointer.
7085 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
7087         Revert
7088         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
7090         PR middle-end/PR28690
7091         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
7092         same precedence as REG_POINTER and MEM_POINTER operands.
7094 2008-04-08  Richard Guenther  <rguenther@suse.de>
7096         PR middle-end/35834
7097         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
7098         for adding index to base.
7100 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
7102         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
7103         (MINGW_ENABLE_EXECUTE_STACK): New.
7104         (IN_LIBGCC2): For libgcc include windows.h file for
7105         function declarations.
7107 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
7109         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
7110         and tem2 if tem1 is not a REG or MULT.
7112 2008-04-08  Jan Hubicka  <jh@suse.cz>
7114         * function.h (incomming_args): Break out of struct function.
7115         (function_subsections): Break out of struct function.
7116         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
7117         return_rtx and hard_reg_initial_vals from struct function.
7118         Kill inl_max_label_num.
7119         (current_function_pops_args, current_function_args_info,
7120         current_function_args_size, current_function_args_size,
7121         current_function_pretend_args_size,
7122         current_function_outgoing_args_size,
7123         current_function_internal_arg_pointer, current_function_return_rtx):
7124         Kill compatibility accestor macros.
7125         * builtins.c (expand_builtin_apply_args_1): Update.
7126         (expand_builtin_next_arg): Update.
7127         * df-scan.c (df_get_call_refs): Update.
7128         * dbxout.c (dbxout_function_end): Update.
7129         * dwarf2out.c (dwarf2out_switch_text_section): Update.
7130         (output_line_info): Update.
7131         (secname_for_decl): Update.
7132         (dwarf2out_var_location): Update.
7133         * function.c (free_after_compilation): Update.
7134         (assign_parm_find_stack_rtl): Update.
7135         (assign_parms): Update.
7136         (expand_dummy_function_end): Update.
7137         (expand_function_end): Update.
7138         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
7139         (expand_call): Update.
7140         (emit_library_call_value_1): Update.
7141         (store_one_arg): Update.
7142         * varasm.c (initialize_cold_section_name): Update.
7143         (unlikely_text_section): Update.
7144         (unlikely_text_section_p): Update.
7145         (assemble_start_function): Update.
7146         (assemble_end_function): Update.
7147         (default_section_type_flags): Update.
7148         (switch_to_section): Update.
7149         * integrate.c (set_decl_abstract_flags): Update.
7150         (get_hard_reg_initial_val): Update.
7151         (has_hard_reg_initial_val): Update.
7152         (allocate_initial_values): Update.
7153         * resource.c (init_resource_info): Update.
7154         * config/alpha/alpha.c (NUM_ARGS): Update.
7155         (direct_return): Update.
7156         (alpha_va_start): Update.
7157         (alpha_sa_size): Update.
7158         (alpha_initial_elimination_offset): Update.
7159         (alpha_expand_prologue): Update.
7160         (alpha_start_function): Update.
7161         (alpha_expand_epilogue): Update.
7162         (unicosmk_initial_elimination_offset):
7163         * config/alpha/alpha.md (call expander): Update.
7164         * config/s390/s390.c (s390_register_info): Update.
7165         (s390_register_info): Update.
7166         (s390_frame_info): Update.
7167         (s390_initial_elimination_offset): Update.
7168         (s390_build_builtin_va_list): Update.
7169         (s390_va_start): Update.
7170         * config/spu/spu.c (direct_return): Update.
7171         (spu_expand_prologue): Update.
7172         (spu_initial_elimination_offset): Update.
7173         (spu_build_builtin_va_list): Update.
7174         (spu_va_start): Update.
7175         * config/sparc/sparc.c (sparc_init_modes): Update.
7176         (sparc_compute_frame_size): Update.
7177         (function_value): Update.
7178         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
7179         * config/i386/i386.md (return expander): Update.
7180         * config/i386/i386.c (ix86_va_start): Update.
7181         (ix86_can_use_return_insn_p): Update.
7182         (ix86_compute_frame_layout): Update.
7183         (ix86_expand_epilogue): Update.
7184         * config/sh/sh.c (output_stack_adjust): Update.
7185         (calc_live_regs): Update.
7186         (sh_expand_prologue): Update.
7187         (sh_builtin_saveregs): Update.
7188         (sh_va_start): Update.
7189         (initial_elimination_offset): Update.
7190         (sh_allocate_initial_value): Update.
7191         (sh_function_ok_for_sibcall): Update.
7192         (sh_get_pr_initial_val): Update.
7193         * config/sh/sh.md (return expander): Update.
7194         * config/avr/avr.c (frame_pointer_required_p): UPdate.
7195         * config/crx/crx.c (crx_compute_frame): UPdate.
7196         (crx_initial_elimination_offset): UPdate.
7197         * config/xtensa/xtensa.c (compute_frame_size): Update
7198         (xtensa_builtin_saveregs): Update.
7199         (xtensa_va_start): Update.
7200         (order_regs_for_local_alloc): Update.
7201         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
7202         (xstormy16_expand_builtin_va_start): Update.
7203         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
7204         * config/m68hc11/m68hc11.md (return expanders): Update.
7205         * config/m68hc11/m68hc11.c (expand_prologue): Update.
7206         (expand_epilogue): Update.
7207         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
7208         (cris_simple_epilogue): Update.
7209         (cris_expand_prologue): Update.
7210         (cris_expand_epilogue): Update.
7211         * config/iq2000/iq2000.c (iq2000_va_start): Update.
7212         (compute_frame_size): Update.
7213         * config/mt/mt.c (mt_compute_frame_size): Update.
7214         * config/mn10300/mn10300.c (expand_prologue): Update.
7215         (expand_epilogue): Update.
7216         (initial_offset): Update.
7217         (mn10300_builtin_saveregs):
7218         * config/mn10300/mn10300.md (return expander): Update.
7219         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
7220         (ia64_initial_elimination_offset): Update.
7221         (ia64_initial_elimination_offset): Update.
7222         (ia64_expand_prologue): Update.
7223         * config/m68k/m68k.md (return expander): Update.
7224         * config/rs6000/rs6000.c (rs6000_va_start): Update.
7225         (rs6000_stack_info): Update.
7226         * config/mcore/mcore.c (layout_mcore_frame): Update.
7227         (mcore_expand_prolog): Update.
7228         * config/arc/arc.c (arc_compute_frame_size): Update.
7229         * config/score/score3.c (score3_compute_frame_size): Update.
7230         * config/score/score7.c (score7_compute_frame_size): Update.
7231         * config/arm/arm.c (use_return_insn): Update.
7232         (thumb_find_work_register): Update.
7233         (arm_compute_save_reg_mask): Update.
7234         (arm_output_function_prologue): Update.
7235         (arm_output_epilogue): Update.
7236         (arm_size_return_regs): Update.
7237         (arm_get_frame_offsets): Update.
7238         (arm_expand_prologue): Update.
7239         (thumb_exit): Update.
7240         (thumb_unexpanded_epilogue): Update.
7241         (thumb1_output_function_prologue): Update.
7242         * config/pa/pa.md (return expander): Update.
7243         * config/pa/pa.c (compute_frame_size): Update.
7244         (hppa_builtin_saveregs): Update.
7245         * config/mips/mips.c (mips_va_start): Update.
7246         (mips16_build_function_stub): Update.
7247         (mips_compute_frame_info): Update.
7248         (mips_restore_gp): Update.
7249         (mips_output_function_prologue): Update.
7250         (mips_expand_prologue): Update.
7251         * config/v850/v850.c (compute_frame_size): Update.
7252         (expand_prologue): * config/mmix/mmix.c (along): update.
7253         (mmix_initial_elimination_offset): update.
7254         (mmix_reorg): update.
7255         (mmix_use_simple_return): update.
7256         (mmix_expand_prologue): update.
7257         (mmix_expand_epilogue): Update.
7258         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
7259         (emit_link_insn): Update.
7261 2008-04-08  Anatoly Sokolov <aesok@post.ru>
7263         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
7264         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
7265         instructions.
7266         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
7267         atmega103 device.
7269 2008-04-07  Jan Hubicka  <jh@suse.cz>
7271         * function.h (rtl): Rename to x_rtl.
7272         (crtl): New define.
7273         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
7274         frame_offset, stack_check_probe_note, arg_pointer_save_area,
7275         used_temp_slots avail_temp_slots, temp_slot_level,
7276         nonlocal_goto_handler_labels): Update accesstors.
7277         (rtl): New global variable.
7278         (struct function): Move some fileds to rtl_data.
7279         (get_arg_pointer_save_area): Update prototype.
7280         * builtins.c (expand_builtin_setjmp_receiver): Update call of
7281         get_arg_pointer_save_area.
7282         * expr.c (init_expr): Update
7283         * function.c (get_frame_size): Update
7284         (assign_stack_local): Update
7285         (expand_function_end): Update.
7286         (get_art_pointer_save_area): Update
7287         * function.h 
7288         * emit-rtl.c (rtl): Declare.
7289         (regno_reg_rtx): Declare.
7290         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
7291         Update.
7292         (gen_reg_rtx): Update.
7293         * varasm.c (n_deferred_constatns): Update accestor.
7294         (init_varasm_status): Do not allocate varasm_status.
7295         (force_const_mem, get_pool_size, output_constant_pool): Update.
7296         * stmt.c (force_label_rtx): Do not use x_ prefixes.
7297         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
7298         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
7299         * sparc/sparc.h (INIT_EXPANDERS): Update.
7300         * ia64/ia64.h (INIT_EXPANDERS): Update.
7302 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
7304         * reload.c (push_secondary_reload): Add missing break to for loop.
7306 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
7308         PR middle-end/PR28690
7309         * rtlanal.c: Update copyright years.
7310         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
7311         as REG_POINTER and MEM_POINTER operands.
7312         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
7313         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
7314         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
7315         * gcse.c: Update copyright years.
7316         (pre_delete): Call gen_reg_rtx_and_attrs.
7317         (hoist_code): Likewise.
7318         (build_store_vectors): Likewise.
7319         (delete_store): Likewise.
7320         * loop-invariant.c (move_invariant_reg): Likewise.
7321         Update copyright years.
7323 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
7325         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
7326         control string instead of quoted.
7328 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
7330         * doc/rtl.texi: Rewrite of subreg section.
7332 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
7334         PR/35842
7335         * config/i386/i386.c (legitimize_pic_address): Add treating
7336         of dllimport SYM_REF's.
7337         (legitimize_dllimport_symbol): Add prototype.
7339 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
7341         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
7342         reference in constructor with non self-referential type.
7344 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
7346         Removal of Return with Depressed Stack Pointer support
7347         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
7348         (ECF_SP_DEPRESSED): Likewise.
7349         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
7350         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
7351         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
7352         (expand_call): Do not test ECF_SP_DEPRESSED.
7353         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
7354         * function.c (keep_stack_depressed): Delete.
7355         (handle_epilogue_set): Likewise.
7356         (update_epilogue_consts): Likewise.
7357         (emit_equiv_load): Likewise.
7358         (thread_prologue_and_epilogue_insns): Remove support for Return with
7359         Depressed Stack Pointer.
7360         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
7362 2008-04-06  Richard Guenther  <rguenther@suse.de>
7364         PR tree-optimization/35400
7365         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
7366         information from SSA_NAMEs.
7368 2008-04-06  Anatoly Sokolov <aesok@post.ru>
7370         * config/avr/avr.h (avr_mega_p): Remove declaration.
7371         (AVR_MEGA): Remove macro.
7372         * config/avr/avr.c (avr_mega_p): Remove variable.
7373         (avr_override_options): Remove inicializion of avr_mega_p.
7374         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
7375         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
7376         (avr_jump_mode): (Ditto.).
7377         (avr_output_progmem_section_asm_op): (Ditto.).
7378         (avr_asm_init_sections): (Ditto.).
7379         (avr_asm_init_sections): (Ditto.).
7380         (avr_rtx_costs): (Ditto.).
7381         * config/avr/avr.md: (Ditto.).
7382         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
7383         '__AVR_MEGA__'.
7385 2008-04-06  Richard Guenther  <rguenther@suse.de>
7387         PR tree-optimization/35842
7388         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
7389         is_gimple_invariant_address.
7391 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
7393         * gcc.c (default_compilers): Sync Fortran extensions list with
7394         that in fortran/lang-specs.h.
7395         * doc/invoke.texi: Likewise.
7396         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
7397         * dwarf2out.c (gen_compile_unit_die): Likewise.
7399 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
7401         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
7403 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
7405         PR target/12329
7406         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
7407         attribute is used for nested functions.
7409 2008-04-05  Jan Hubicka  <jh@suse.cz>
7411         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
7413         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
7414         letter argument.
7415         (dump_files): Update.
7416         (enable_rtl_dump_file): Do not accept letter argument.
7417         * tree-pass.h (dump_file_info): Remove letter argument.
7418         * toplev.c (decode_d_option): Update -da handling.
7419         * toplev.h (enable_rtl_dump_file): Update prototype.
7420         * passes.c (register_one_dump_file): Do not accept IPA argument; work
7421         it out based on pass type.
7422         (register_dump_files_1): Likewise.
7423         (init_optimization_passes): Update register_one_dump_file calls.
7424         (execute_one_pass): Sanity check that IPA passes are called at IPA
7425         level and RTL passes at RTL level.
7426         (execute_pass_list): IPA pass can not be after or subpass of
7427         GIMPLE/RTL pass.
7428         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
7429         disallov RTL subpasses of IPA subpasses.
7431 2008-04-05  Ben Elliston  <bje@au.ibm.com>
7433         * tree-cfg.c (need_fake_edge_p): Return false for calls to
7434         builtins that return exactly once and do not throw. Cache call to
7435         call_expr_flags.
7437 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
7439         PR rtl-optimization/34916
7440         PR middle-end/35519
7441         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
7442         between instruction pairs.
7444 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
7446         * doc/invoke.texi: Document -mbitops for SH.
7447         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
7448         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
7449         * config/sh/sh.c (print_operand): Add %t operand code.
7450         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
7451         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
7452         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
7453         (extendqihi2): Likewise.
7454         (movqi_i): Likewise.
7455         (insv): Use bset, bclr and bst instructions for SH2A if possible.
7456         (extv): Use bld instruction for SH2A if possible.
7457         (extzv): Likewise.
7458         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
7459         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
7460         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
7461         (bset.b, bclr.b): Define peepholes.
7462         * config/sh/sh.opt (mbitops): New option.
7464 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
7466         PR target/35620
7467         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
7468         and view convert expression.
7470 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
7472         PR target/35364
7473         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
7475 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
7477         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
7479         * config/i386/cpuid.h (bit_AES): New.
7480         (bit_PCLMUL): Likewise.
7482         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
7483         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
7484         SSE2 if AES or PCLMUL is enabled.
7485         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
7486         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
7487         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
7488         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
7489         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
7490         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
7491         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
7492         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
7493         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
7494         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
7495         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
7496         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
7497         __builtin_ia32_aeskeygenassist128 and
7498         __builtin_ia32_pclmulqdq128.
7499         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
7500         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
7501         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
7503         * config/i386/i386.h (TARGET_AES): New.
7504         (TARGET_PCLMUL): Likewise.
7505         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
7507         * config/i386/i386.md (UNSPEC_AESENC): New.
7508         (UNSPEC_AESENCLAST): Likewise.
7509         (UNSPEC_AESDEC): Likewise.
7510         (UNSPEC_AESDECLAST): Likewise.
7511         (UNSPEC_AESIMC): Likewise.
7512         (UNSPEC_AESKEYGENASSIST): Likewise.
7513         (UNSPEC_PCLMUL): Likewise.
7515         * config/i386/i386.opt (maes): New.
7516         (mpclmul): Likewise.
7518         * config/i386/sse.md (aesenc): New pattern.
7519         (aesenclast): Likewise.
7520         (aesdec): Likewise.
7521         (aesdeclast): Likewise.
7522         (aesimc): Likewise.
7523         (aeskeygenassist): Likewise.
7524         (pclmulqdq): Likewise.
7526         * config/i386/wmmintrin.h: New.
7528         * doc/extend.texi: Document AES and PCLMUL built-in function.
7530         * doc/invoke.texi: Document -maes and -mpclmul.
7532 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
7534         * function.c (free_after_parsing): Replace with
7535         cxx_push_function_context from C++ front-end.
7536         (allocate_struct_function): Don't call langhook.
7537         * langhooks.h (struct lang_hooks_for_functions): Delete.
7538         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
7539         member "function".
7540         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
7541         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
7542         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
7543         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
7544         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
7545         remove LANG_HOOKS_FUNCTION_INITIALIZER.
7546         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
7548         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
7549         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
7550         
7551 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
7553         PR c/35440
7554         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
7555         for all types.
7557 2008-04-04  Richard Guenther  <rguenther@suse.de>
7559         PR middle-end/35823
7560         * fold-const.c (optimize_minmax_comparison): Use the correct
7561         type for the constant in the simplified comparison.
7563 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
7565         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
7566         Pass L2 size as "--param l2-cache-size" to the compiler.
7567         (decode_l2_cache): New function to decode L2 cache parameters using
7568         0x8000006 extended cpuid function.
7569         (detect_caches_amd): Determine parameters of L2 cache using
7570         decode_l2_caches function.
7571         (decode_caches_intel): Decode L2 cache parameters.
7572         (detect_caches_intel): Determine L2 cache parameters using
7573         decode_caches_intel and decode_l2_caches functions.
7575 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
7577         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
7578         secondary input reload for subword loads from the constant pool.
7580 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
7582         PR target/35713
7583         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
7584           constants of the appropriate size for runtime calculations.
7586         PR c/35712
7587         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
7588           decimal-float literal constant zero.
7590 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
7592         PR c/35738
7593         * c-parser.c (c_parser_omp_atomic): Call
7594         default_function_array_conversion on the RHS.
7596         PR middle-end/35818
7597         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
7598         call is_variable_sized if decl has incomplete type.
7600 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
7602         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
7604 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
7606         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
7607         iterators.
7608         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
7609         (sgt<u>): Merge sgt and sgtu into new expander.
7610         (sgt, sgtu): Remove expanders.
7611         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
7612         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
7613         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
7614         *sgtu_<mode>_mips16 into new pattern.
7615         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
7616         (sge<u>): Merge sge and sgeu into new expander.
7617         (sge, sgeu): Remove expanders.
7618         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
7619         new pattern.
7620         (*sge_<mode>, second *sge_<mode>): Remove patterns.
7621         (slt<u>): Merge slt and sltu into new expander.
7622         (slt, sltu): Remove expanders.
7623         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
7624         (*slt_<mode>, *sltu_<mode>): Remove patterns.
7625         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
7626         *sltu_<mode>_mips16 into new pattern.
7627         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
7628         (sle<u>): Merge sle and sleu into new expander.
7629         (sle, sleu): Remove expanders.
7630         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
7631         (*sle_<mode>, *sleu_<mode>): Remove patterns.
7632         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
7633         *sleu_<mode>_mips16 into new pattern.
7634         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
7636 2008-04-03  Jan Hubicka  <jh@suse.cz>
7638         PR tree-optimization/35795
7639         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
7640         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
7641         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
7642         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
7643         * score/score3.c (score3_output_mi_thunk): Likewise.
7644         * score/score7.c (score7_output_mi_thunk): Likewise.
7645         * mips/mips.c (mips_output_mi_thunk): Likewise.
7647 2008-04-03  Richard Guenther  <rguenther@suse.de>
7649         * tree-vrp.c (extract_range_from_unary_expr): Handle all
7650         conversions.  Simplify code.
7652 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
7654         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
7656 2008-04-03  Tom Tromey  <tromey@redhat.com>
7657             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7659         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
7660         * config/bfin/t-bfin-linux (generated_files): Add
7661         linux-sysroot-suffix.h.
7662         * doc/install.texi (Prerequisites): Require make 3.80.
7663         * doc/sourcebuild.texi (Front End Directory): Document new
7664         variable.
7665         * Makefile.in (generated_files): New variable.
7666         (ALL_HOST_OBJS): New variable.
7667         ($(ALL_HOST_OBJS)): New target.
7669 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
7671         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
7672         (remap_block): Call id->transform_lang_insert_block instead
7673         of langhook.
7674         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
7675         Set id.transform_lang_insert_block to NULL.
7676         (clone_body): Move to cp/optimize.c
7677         * tree-inline.h (struct copy_body_data): Change
7678         transform_lang_insert_block to function pointer.
7679         (copy_generic_body, copy_decl_no_change): Export.
7680         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
7681         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
7682         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
7684         * c-tree.h (insert_block): Kill.
7685         * c-decl.c (insert_block): Kill.
7687 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
7689         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
7690         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
7691         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
7692         argument.
7693         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
7694         argument, call {push,pop}_function_context from here.
7695         * c-parser.c: Use c_{push,pop}_function_context.
7697         * function.c (push_function_context_to): Move meat ...
7698         (push_function_context): ... here.  Simplify.
7699         * function.c (pop_function_context_from): Move meat ...
7700         (pop_function_context): ... here.  Simplify.
7701         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
7702         leave_nested).
7703         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
7704         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
7705         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
7706         * tree.h (push_function_context_to, pop_function_context_from): Remove.
7708 2008-04-03  Ben Elliston  <bje@au.ibm.com>
7710         * expmed.c (extract_force_align_mem_bit_field): Remove.
7712 2008-04-03  Richard Guenther  <rguenther@suse.de>
7714         PR middle-end/35800
7715         * expr.h (try_casesi): Adjust prototype.
7716         * expr.c (try_casesi): Take fallback label as extra parameter.
7717         Use that for gen_casesi if default_label is NULL.
7718         * stmt.c (expand_case): Pass fallback label to try_casesi,
7719         make sure to fill gaps with a fallback label if default_label
7720         is not present.
7722 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
7724         PR target/35801
7725         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
7727 2008-04-03  Ben Elliston  <bje@au.ibm.com>
7729         * expmed.c (extract_split_bit_field): Remove if (0) code.
7730         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
7731         (do_ds_constraint): Likewise.
7733 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
7735         * doc/cppopts.texi (-dU): Document.
7736         * c-common.h (flag_dump_macros): Update comment.
7737         * c-opts.c (handle_OPT_d): Handle -dU.
7738         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
7739         dump_queued_macros, cb_used_define, cb_used_undef): New.
7740         (init_pp_output): Handle -dU.
7741         (cb_line_change): Call dump_queued_macros.
7742         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
7744 2008-04-02  Anatoly Sokolov <aesok@post.ru>
7746         * config/avr/predicates.md (io_address_operand): New predicate. 
7747         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
7748         * config/avr/avr.c (avr_io_address_p): Remove function.
7749         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
7750         'avr_io_address_p' function.
7751         (out_movhi_r_mr): (Ditto.).
7752         (out_movqi_mr_r): (Ditto.).
7753         (out_movhi_mr_r): (Ditto.).
7754         (avr_address_cost): (Ditto.).
7756 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
7758         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
7759         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
7760         in 32bit mode when XMM registers are available to avoid store
7761         forwarding stalls.
7762         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
7763         corresponding post-reload splitters.
7765 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7767         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
7768         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
7769         __builtin_ia32_roundss.
7770         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
7771         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
7772         __builtin_ia32_roundss.
7773         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
7774         IX86_BUILTIN_SHUFPD here.
7776 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7778         * config/i386/i386.md (plogic): New.
7779         (plogicprefix): Likewise.
7781         * config/i386/mmx.md (mmx_<code><mode>3): New.
7782         (mmx_and<mode>3): Removed.
7783         (mmx_ior<mode>3): Likewise.
7784         (mmx_xor<mode>3): Likewise.
7786         * config/i386/sse.md (<code><mode>3): New.
7787         (*<code><mode>3): Likewise.
7788         (*<code><mode>3): Likewise.
7789         (<code><mode>3): Likewise.
7790         (*sse_<code><mode>3): Likewise.
7791         (*sse2_<code><mode>3): Likewise.
7792         (<code>tf3): Likewise.
7793         (*<code>tf3): Likewise.
7794         (and<mode>3): Likewise.
7795         (*and<mode>3): Likewise.
7796         (ior<mode>3): Removed.
7797         (*ior<mode>3): Likewise.
7798         (xor<mode>3): Likewise.
7799         (*xor<mode>3): Likewise.
7800         (*and<mode>3): Likewise.
7801         (*ior<mode>3): Likewise.
7802         (*xor<mode>3): Likewise.
7803         (and<mode>3): Likewise.
7804         (*sse_and<mode>3): Likewise.
7805         (*sse2_and<mode>3): Likewise.
7806         (andtf3): Likewise.
7807         (*andtf3): Likewise.
7808         (ior<mode>3): Likewise.
7809         (*sse_ior<mode>3): Likewise.
7810         (*sse2_ior<mode>3): Likewise.
7811         (iortf3): Likewise.
7812         (*iortf3): Likewise.
7813         (xor<mode>3): Likewise.
7814         (*sse_xor<mode>3): Likewise.
7815         (*sse2_xor<mode>3): Likewise.
7816         (xortf3): Likewise.
7817         (*xortf3): Likewise.
7819 2008-04-02  Richard Guenther  <rguenther@suse.de>
7821         PR tree-optimization/14495
7822         PR tree-optimization/34793
7823         * tree-vrp.c (struct switch_update): New structure.
7824         (to_remove_edges, to_update_switch_stmts): New VECs.
7825         (simplify_switch_using_ranges): New function.  Remove not taken
7826         case labels and edges.
7827         (simplify_stmt_using_ranges): Call it.
7828         (identify_jump_threads): Mark edges we have queued for removal
7829         so we don't thread them.
7830         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
7831         case label vector.
7832         * tree-cfg.c (group_case_labels): Deal with missing default label.
7833         (tree_verify_flow_info): Allow missing default label.
7834         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
7835         (emit_case_nodes): Likewise.
7836         (expand_case): Do not rely on the default label to be present.
7837         * expr.c (try_casesi): Deal with NULL default_label.
7838         (do_tablejump): Likewise.
7840 2008-04-02  Richard Guenther  <rguenther@suse.de>
7842         PR tree-optimization/14495
7843         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
7844         SWITCH_EXPR here ...
7845         (vrp_visit_switch_stmt): ... but here (new function).
7846         (find_case_label_index): New helper function.
7847         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
7849 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7851         * fwprop.c: Fix ISO-C99ism.
7853 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7855         PR bootstrap/35752
7856         * Makefile.in (objdir): Set it here.
7857         * configure.ac: Not here.  Find dynamic linker characteristics.
7858         * exec-tool.in: Use them.
7859         * aclocal.m4: Regenerate.
7860         * configure: Regenerate.
7862 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7864         * expr.c (expand_var): Delete it.
7865         * expr.h (expand_var): Delete prototype.
7866         * function.c (expand_function_start): Use expand_decl instead.
7867         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
7868         langhook.
7870 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
7872         PR rtl-optimization/35542
7873         * fwprop.c (forward_propagate_and_simplify): Replace
7874         loc_reg_mentioned_in_p with reg_mentioned_p.
7876 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
7878         PR rtl-optimization/35281
7879         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
7880         (propagate_rtx_1): Handle PR_HANDLE_MEM.
7881         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
7882         (varying_mem_p): Move above propagate_rtx.
7883         (all_uses_available_at): Do not check MEMs.
7885 2008-04-02  Rafael Espindola  <espindola@google.com>
7887         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
7888         (register_edge_assert_for_2): Split the cond argument.
7889         (register_edge_assert_for_1): Adjust for the change in
7890         register_edge_assert_for_2.
7891         (register_edge_assert_for): Split the cond argument.
7892         (find_switch_asserts): Adjust for the change in
7893         register_edge_assert_for.
7895 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
7897         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
7898         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
7899         offsets for 64-bit mingw.
7900         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
7901         abi for x86_64-pc-mingw.
7903 2008-04-02  Richard Guenther  <rguenther@suse.de>
7905         * tree-vrp.c (extract_range_from_assert): Make sure to not
7906         produce range min/max with TREE_OVERFOW set.
7907         If merging a anti-range and a range keep the anti-range if
7908         the range covers all values of the type.
7909         (register_edge_assert_for_2): Only allow sign-changing
7910         conversions in detecting canonical range checks.  Also
7911         register an assert for the unsigned name if useful.
7913         PR tree-optimization/35787
7914         * tree-vrp.c (vrp_val_max): New function.
7915         (vrp_val_min): Likewise.
7916         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
7917         (vrp_val_is_min): Likewise.
7918         (supports_overflow_infinity): Use vrp_val_{min,max}.
7919         (negative_overflow_infinity): Likewise.
7920         (positive_overflow_infinity): Likewise.
7921         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
7922         (is_positive_overflow_infinity): Likewise.
7923         (is_overflow_infinity): Likewise.
7924         (avoid_overflow_infinity): Use vrp_val_{min,max} and
7925         vrp_val_is_{min,max}.
7926         (set_and_canonicalize_value_range): Canonicalize anti-ranges
7927         to ranges if possible.  Avoid empty ranges.
7929 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7931         PR middle-end/35705
7932         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
7933         the expression is a function address.
7935 2008-04-01  George Helffrich  <george@gcc.gnu.org>
7937         PR fortran/35154, fortran/23057
7938         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
7939         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
7940         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
7941         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
7942         in common.
7943         (dbxout_syms): Check for COMMON-based symbol and wrap in
7944         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
7945         in bracket for efficiency.
7947         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
7948         using DW_TAG_common_block + member offset.
7949         (add_pubname_string): New function.
7950         (dw_expand_expr): New function to find block name and offset for
7951         COMMON var.
7952         (common_check): New function to check whether symbol in Fortran COMMON.
7953         (gen_variable_die): If COMMON, use DW_TAG_common_block.
7955 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
7957         PR c/35436
7958         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
7960 2008-04-02  Ben Elliston  <bje@au.ibm.com>
7962         * config/v850/v850.md (casesi): Remove if (0) code.
7963         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
7964         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
7966 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
7968         * config/i386/i386.md (rex64suffix): New mode attribute.
7969         (floathi<mode>2): Disable expander for SSE math.
7970         (*floathi<mode>2_1): New insn insn_and_split pattern.
7971         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
7972         corresponding post-reload splitters.
7973         (*floathi<mode>2_i387): New macroized insn pattern.
7974         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
7975         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
7976         insn_and_split pattern.
7977         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
7978         New macroized instruction patterns and corresponding post-reload
7979         splitters.
7980         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
7981         and corresponding post-reload splitters.
7982         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
7983         New macroized instruction patterns.
7984         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
7985         macroized instruction patterns and corresponding post-reload splitters.
7986         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
7987         corresponding post-reload splitters.
7988         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
7989         New macroized instruction patterns.
7990         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
7991         corresponding post-reload splitters.
7992         (*floatsi<mode>2_i387): New macroized instruction patterns.
7994 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
7996         * config/i386/i386.md (smaxmin): New.
7997         (umaxmin): Likewise.
7998         (maxminiprefix): Likewise.
7999         (maxminfprefix): Likewise.
8000         (<code><mode>3): Likewise.
8001         (smin<mode>3): Removed.
8002         (smax<mode>3): Likewise.
8004         * config/i386/mmx.md (mmx_<code>v2sf3): New.
8005         (mmx_<code>v4hi3): Likewise.
8006         (mmx_<code>v8qi3): Likewise.
8007         (mmx_smaxv2sf3): Removed.
8008         (mmx_sminv2sf3): Likewise.
8009         (mmx_umaxv8qi3): Likewise.
8010         (mmx_smaxv4hi3): Likewise.
8011         (mmx_uminv8qi3): Likewise.
8012         (mmx_sminv4hi3): Likewise.
8014         * config/i386/sse.md (<addsub><mode>3): New.
8015         (*<addsub><mode>3): Likewise.
8016         (<sse>_vm<addsub><mode>3): Likewise.
8017         (<maxmin><mode>3): Likewise.
8018         (*<maxmin><mode>3_finite): Likewise.
8019         (*<maxmin><mode>3): Likewise.
8020         (<sse>_vm<maxmin><mode>3): Likewise.
8021         (sse3_h<addsub>v4sf3): Likewise.
8022         (sse3_h<addsub>v2df3): Likewise.
8023         (<maxmin>v16qi3): Likewise.
8024         (*<maxmin>v16qi3): Likewise.
8025         (<maxmin>v8hi3): Likewise.
8026         (*<maxmin>v8hi3): Likewise.
8027         (*sse4_1_<maxmin><mode>3): Likewise.
8028         (*sse4_1_<maxmin><mode>3): Likewise.
8029         (add<mode>3): Removed.
8030         (*add<mode>3): Likewise.
8031         (<sse>_vmadd<mode>3): Likewise.
8032         (sub<mode>3): Likewise.
8033         (*sub<mode>3): Likewise.
8034         (<sse>_vmsub<mode>3): Likewise.
8035         (smin<mode>3): Likewise.
8036         (*smin<mode>3_finite): Likewise.
8037         (*smin<mode>3): Likewise.
8038         (<sse>_vmsmin<mode>3): Likewise.
8039         (smax<mode>3): Likewise.
8040         (*smax<mode>3_finite): Likewise.
8041         (*smax<mode>3): Likewise.
8042         (<sse>_vmsmax<mode>3): Likewise.
8043         (sse3_haddv4sf3): Likewise.
8044         (sse3_haddv2df3): Likewise.
8045         (sse3_hsubv4sf3): Likewise.
8046         (sse3_hsubv2df3): Likewise.
8047         (umaxv16qi3): Likewise.
8048         (*umaxv16qi3): Likewise.
8049         (smaxv8hi3): Likewise.
8050         (*smaxv8hi3): Likewise.
8051         (*sse4_1_smax<mode>3): Likewise.
8052         (*sse4_1_umax<mode>3): Likewise.
8053         (uminv16qi3): Likewise.
8054         (*uminv16qi3): Likewise.
8055         (sminv8hi3): Likewise.
8056         (*sminv8hi3): Likewise.
8057         (*sse4_1_smin<mode>3): Likewise.
8058         (*sse4_1_umin<mode>3): Likewise.
8060 2008-04-01  Rafael Espindola  <espindola@google.com>
8062         * tree-cfg.c (verify_expr): remove in_phi.
8063         (verify_stmt): Don't call walk_tree with verify_expr. Use
8064         is_gimple_min_invariant instead of is_gimple_val.
8066 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
8068         * doc/include/gpl_v3.texi: Update for manpage generation.
8069         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
8070         gpl.texi.
8071         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
8072         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
8073         gpl_v3.texi instead of gpl.texi.
8074         (gpl.pod): New.
8076 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
8078         PR pch/13675
8079         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
8081 2008-04-01  Rafael Espindola  <espindola@google.com>
8083         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
8084         (extract_code_and_val_from_cond): Use
8085         extract_code_and_val_from_cond_with_ops.
8087 2008-04-01  Jan Hubicka  <jh@suse.cz>
8089         * function.c (free_after_compilation): Free epilogue_delay_list.
8090         (prepare_function_start): Assert that previous compilation was freed.
8092 2008-04-01  Jan Hubicka  <jh@suse.cz>
8093             Jim Wilson  <wilson@tuliptree.org>
8094             Andreas Tobler <andreast@gcc.gnu.org>
8096         PR middle-end/35781
8097         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
8098         rtl.emit instead cfun->emit.
8099         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
8100         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
8102 2008-04-01  Ben Elliston  <bje@au.ibm.com>
8104         * doc/c-tree.texi (Function Basics): Fix grammatical error.
8106 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
8108         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
8109         New options
8110         (fprofile-use): Add var flag_profile_use
8111         * coverage.c (coverage_begin_output): Do not open a gcno file for
8112         output only if -ftest-coverage is set.
8113         Do not add getpwd() to gcda file path.
8114         (build_gcov_info): Check the new flag
8115         flag_profile_datafile_relative_path.
8116         (coverage_init): Use profile_data_prefix.
8117         Read profile counter only if flag_profile_use is set.
8118         * opts.c (common_handle_option): New option fprofile-use=,
8119         fprofile-dir=, fprofile-generate=.
8120         * toplev.c (profile_data_prefix): New variable definition.
8121         * toplev.h (profile_data_prefix): New declaration.
8122         * doc/invoke.tex (Option Summary, Optimization Options):
8123         Add new options.
8125 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
8127         * varasm.c (output_constant_pool_1): In LABEL_REF check,
8128         use tmp consistently.
8130         PR target/35695
8131         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
8132         * config/ia64/ia64.c (rtx_needs_barrier): Handle
8133         UNSPEC_FR_RECIP_APPROX_RES.
8134         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
8136 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
8138         PR c/35750
8139         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
8141 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8143         PR middle-end/30186
8144         * fold-const.c (fold_indirect_ref_1): Support accessing non first
8145         element of the vector via a pointer.
8147 2008-03-31  Ian Lance Taylor  <iant@google.com>
8149         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
8151 2008-03-31  Jan Hubicka  <jh@suse.cz>
8153         * builtins.c (expand_builtin_setjmp_receiver): Update call of
8154         get_arg_pointer_save_area.
8155         * expr.c (init_expr): Just clear out rtl.expr.
8156         * function.c (free_after_compilation): Clear out whole RTL structure.
8157         (get_func_frame_size): Merge into ...
8158         (get_frame_size): ... this one.
8159         (assign_stack_local_1): Merge into ...
8160         (assign_stack_local): ... this one.
8161         (expand_function_end): Update call of get_arg_pointer_save_area.
8162         (get_art_pointer_save_area): Remove cfun argument.
8163         * function.h (emit_status): regno_pointer_align does not need length
8164         attribute. Move x_regno_reg_rtx to ...
8165         (regno_reg_rtx): ... new global array.
8166         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
8167         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
8168         apply_args_value, forced_labels, stack_pointer_delta):
8169         Update accestors.
8170         (struct varasm_status): Move here from varasm.c
8171         (struct rtl_data): New. Move here some fields from struct function.
8172         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
8173         frame_offset, stack_check_probe_note, arg_pointer_save_area,
8174         used_temp_slots avail_temp_slots, temp_slot_level,
8175         nonlocal_goto_handler_labels): Update accesstors.
8176         (rtl): New global variable.
8177         (struct function): Move some fileds to rtl_data.
8178         (get_arg_pointer_save_area): Update prototype.
8179         * emit-rtl.c (rtl): Declare.
8180         (regno_reg_rtx): Declare.
8181         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
8182         Update.
8183         (gen_reg_rtx): Update.
8184         (init_virtual_regs): Do not tate emit_status argument.
8185         (init_emit): Do not allocate emit.
8186         * varasm.c (varasm_statuc): Move to function.h.
8187         (n_deferred_constatns): Update accestor.
8188         (init_varasm_status): Do not allocate varasm_status.
8189         (force_const_mem, get_pool_size, output_constant_pool): Update.
8190         * stmt.c (force_label_rtx): Do not use x_ prefixes.
8191         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
8193 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
8195         PR rtl-optimization/35729
8196         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
8197         references.
8199 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
8201         PR target/32000
8202         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
8203         load/store if memory is unaligned.
8204         (*movti_rex64): Likewise.
8206         * config/i386/predicates.md (misaligned_operand): New.
8208 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
8210         PR tree-opt/35431
8211         * tree-ssa-phiopt.c (conditional_replacement): Return early for
8212         complex types.
8214 2008-03-31  Jan Beulich  <jbeulich@novell.com>
8216         * config/ia64/constraints.md: Add 'j' constraint.
8217         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
8218         (movdi_internal): Likewise.
8220 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
8222         PR c/35748
8223         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
8225 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
8227         PR target/35757
8228         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
8229         proper error message for the third argument on blendpd and
8230         blendps.
8232         * config/i386/sse.md (blendbits): New.
8233         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
8235 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
8237         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
8239 2008-03-30  Richard Guenther  <rguenther@suse.de>
8241         PR middle-end/31023
8242         * fold-const.c (fold_sign_changed_comparison): Do leave
8243         conversions to base-types alone.
8245 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8247         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
8248         the link register if one altivec register is be saved.
8250 2008-03-30  Ben Elliston  <bje@au.ibm.com>
8252         * final.c (final_scan_insn): Remove if (0) code.
8254 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
8256         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
8258 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
8260         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
8261         of V4SFmode to ix86_binary_operator_ok.
8263 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
8265         * config/i386/i386.c (override_options): Initialize
8266         ix86_veclib_handler to ix86_veclibabi_svml when
8267         -mveclibabi=svml is used.
8268         (ix86_veclibabi_svml): New function for SVML ABI style
8269         vectorization support.
8270         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
8272 2008-03-28  Rafael Espindola  <espindola@google.com>
8274         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
8275         (tree_binary_nonnegative_warnv_p): Make it public.
8276         (tree_single_nonnegative_warnv_p): Make it public.
8277         (tree_invalid_nonnegative_warnv_p): Make it public.
8278         (tree_unary_nonzero_warnv_p): Make it public.
8279         (tree_binary_nonzero_warnv_p): Make it public
8280         (tree_single_nonzero_warnv_p): Make it public.
8281         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
8282         (extract_range_from_binary_expr): Split the expr argument.
8283         (extract_range_from_unary_expr): Split the expr argument.
8284         (extract_range_from_comparison): Split the expr argument.
8285         (extract_range_from_expr): Use the new aux functions.
8286         (vrp_evaluate_conditional_warnv): Use
8287         vrp_evaluate_conditional_warnv_with_ops.
8288         * tree.h (tree_unary_nonzero_warnv_p): Declare.
8289         (tree_binary_nonzero_warnv_p): Declare.
8290         (tree_single_nonzero_warnv_p): Declare.
8291         (tree_expr_nonzero_warnv_p): Declare.
8292         (tree_unary_nonnegative_warnv_p): Declare.
8293         (tree_binary_nonnegative_warnv_p): Declare.
8294         (tree_single_nonnegative_warnv_p): Declare.
8295         (tree_invalid_nonnegative_warnv_p): Declare.
8297 2008-03-28  Richard Guenther  <rguenther@suse.de>
8299         PR tree-optimization/30317
8300         PR tree-optimization/30911
8301         PR tree-optimization/34793
8302         * tree-vrp.c (set_and_canonicalize_value_range): New function.
8303         (struct assert_locus_d): New member EXPR.
8304         (register_new_assert_for): Add EXPR parameter to support
8305         ASSERT_EXPR <name, expr OP limit>.
8306         (register_edge_assert_for_1): Adjust callers.
8307         (find_assert_locations): Likewise.
8308         (process_assert_insertions_for): Build condition from expression.
8309         (extract_range_from_assert): Handle ASSERT_EXPRs
8310         of the form ASSERT_EXPR <name, expr OP limit>.
8311         (register_edge_assert_for_2): New helper registering
8312         asserts for comparisons.  Recognize range tests of the form
8313         (unsigned)i - CST1 OP CST2.
8314         (register_edge_assert_for_1): Use it.
8315         (register_edge_assert_for): Likewise.
8316         (needs_overflow_infinity): Integer sub-types
8317         do not need overflow infinities.
8318         (vrp_val_is_max): The extreme values of integer sub-types
8319         are those of the base type.
8320         (vrp_val_is_min): Likewise.
8321         * tree.def (ASSERT_EXPR): Document extra allowed conditional
8322         expressions.
8324 2008-03-28  Nick Clifton  <nickc@redhat.com>
8326         PR target/31110
8327         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
8328         Return GENERAL_REGS for stack adjustment reloads.
8330 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8332         PR target/31334
8333         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
8334         const_vector when all the vectors are constant.
8336 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
8338         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
8339         comparisons.
8340         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
8341         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
8342         (scc_sf): New.
8343         (s<code>_sf): Use new scc_sf attribute for opcode names.
8345 2008-03-27  Tom Tromey  <tromey@redhat.com>
8347         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
8348         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
8349         config/spu/t-spu-elf, config/i386/t-interix,
8350         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
8351         config/i386/x-darwin, config/i386/x-mingw32,
8352         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
8353         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
8354         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
8355         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
8356         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
8357         config/rs6000/x-darwin, config/rs6000/t-rs6000,
8358         config/score/t-score-elf, config/arm/t-strongarm-pe,
8359         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
8360         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
8361         Revert automatic dependency patch.
8363 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8365         PR target/35657
8366         * config/i386/i386.c (ix86_function_arg_boundary): Align
8367         decimal floating point to its natural boundary.
8369 2008-03-27  Richard Guenther  <rguenther@suse.de>
8371         PR middle-end/35716
8372         * fold-const.c (fold_comparison): Restrict distinct decl
8373         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
8374         solely rely on operand_equal_p.
8376 2008-03-27  Richard Guenther  <rguenther@suse.de>
8378         PR c/32511
8379         * c-common.c (handle_weak_attribute): Reject combination of
8380         weak and inline.
8382 2008-03-27  Richard Guenther  <rguenther@suse.de>
8384         PR tree-optimization/32810
8385         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
8386         conversions from DECL_INITIAL.
8387         (fold_const_aggregate_ref): Likewise from constructor elements.
8389 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
8391         * tree-affine.h (aff_combination_expand): Declare.
8392         (get_inner_reference_aff): Likewise.
8393         * tree-affine.c (aff_combination_expand): Split out from
8394         tree_to_aff_combination_expand.
8395         (get_inner_reference_aff): New function.
8396         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
8397         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
8398         (struct lim_aux_data): sm_done field removed.
8399         (mem_ref_loc_p, mem_ref_locs_p): New types.
8400         (struct mem_ref): Added id, stored, accesses_in_loop,
8401         indep_loop, dep_loop, indep_ref, dep_ref fields.
8402         Removed is_stored, locs and next fields.
8403         (memory_accesses): New variable.
8404         (movement_possibility): Do not allow moving statements
8405         that store to memory.
8406         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
8407         New functions.
8408         (determine_max_movement): For statements with memory references,
8409         find the outermost loop in that the reference is independent.
8410         (move_computations_stmt): Mark the virtual operands for renaming.
8411         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
8412         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
8413         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
8414         add_vop_ref_mapping, create_vop_ref_mapping_loop,
8415         create_vop_ref_mapping, analyze_memory_references,
8416         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
8417         get_all_locs_in_loop, ref_always_accessed_p,
8418         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
8419         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
8420         store_motion_loop, store_motion): New functions.
8421         (struct vop_to_refs_elt): New type.
8422         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
8423         memref_hash, memref_eq, hoist_memory_references): Rewritten.
8424         (schedule_sm): Replaced by...
8425         (execute_sm): ... this.
8426         (determine_lsm_ref, hoist_memory_references,
8427         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
8428         find_more_ref_vops, free_mem_ref, free_mem_refs,
8429         determine_lsm_loop, determine_lsm): Removed.
8430         (tree_ssa_lim_finalize): Free data structures used by store motion.
8431         (tree_ssa_lim): Call analyze_memory_references.  Use
8432         store_motion instead of determine_lsm.
8434 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
8436         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
8437         rename tmake_file to m68hc11/t-m68hc11.
8438         (mcore): Set inhibit_libc to true.
8439         * config.host (alpha*-dec-*vms*): Set extra_programs.
8440         (interix3*): Don't use host_xmake_file.
8441         * configure.ac: Let config.gcc override inhibit_libc.
8442         * configure: Regenerate.
8444         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
8445         * config/t-openbsd-thread: Remove commented out lines.
8446         
8447         * config/x-interix: Remove.
8449         * config/m68hc11/t-m68hc11-gas: Rename to...
8450         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
8452         * config/mcore/t-mcore: Remove T_CFLAGS.
8453         * config/mcore/t-mcore-pe: Likewise.
8455 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
8457         * configure.ac: Replace custom __GNU_SOURCE test with
8458         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
8459         * aclocal.m4: Regenerate.
8460         * configure: Regenerate.
8461         * config.in: Regenerate.
8463 2008-03-27  Richard Guenther  <rguenther@suse.de>
8465         * fold-const.c (target.h): Include.
8466         (fold_comparison): Fold comparison of addresses of decls
8467         that bind locally or of constants.  Consolidate address folding code.
8468         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
8469         results from fold_binary_to_constant.
8470         (compare_values_warnv): Likewise.
8472 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
8474         PR middle-end/35429
8475         * fold-const.c (fold_truthop): Check for integeral types when folding
8476         a == 0 && b == 0 and a != 0 || b != 0 .
8478 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
8480         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
8482 2008-03-26  Andreas Schwab  <schwab@suse.de>
8484         * doc/invoke.texi: Fix use of @item vs. @itemx.
8486 2008-03-26  Tom Tromey  <tromey@redhat.com>
8488         * Makefile.in (build/gensupport.o, build/print-rtl.o,
8489         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
8490         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
8491         build/gencodes.o, build/genconditions.o, build/genconfig.o,
8492         build/genconstants.o, build/genemit.o, build/genextract.o,
8493         build/genflags.o, build/genmddeps.o, build/genopinit.o,
8494         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
8495         options.h.
8497 2008-03-26  Richard Guenther  <rguenther@suse.de>
8499         Revert
8500         2008-03-26  Richard Guenther  <rguenther@suse.de>
8502         * fold-const.c (target.h): Include.
8503         (fold_comparison): Fold comparison of addresses of two decls
8504         that bind locally.  Consolidate address folding code.
8506 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8508         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
8509         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
8510         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
8511         dconstsqrt2, dconstthird, dconste and/or dconst10.
8512         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
8513         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
8514         dconstsqrt2, dconste): Delete.
8515         (init_emit_once): Likewise.  Simplify initializing dconstm1.
8516         Constify variable.
8517         * real.c (get_real_const): New.
8518         * real.h (dconst3, dconst10, dconstm2, dconstthird,
8519         dconstsqrt2, dconste): Delete.
8520         (real_value_const, get_real_const): New.
8522 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
8524         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
8526         * config/i386/i386.c (ix86_function_arg_boundary): Check
8527         BIGGEST_ALIGNMENT instead of 128.
8528         (setup_incoming_varargs_64): Likewise.
8530 2008-03-26  Tom Tromey  <tromey@redhat.com>
8532         * Makefile.in (DEPFILES): Add missing '/'.
8534 2008-03-26  Richard Guenther  <rguenther@suse.de>
8536         * fold-const.c (target.h): Include.
8537         (fold_comparison): Fold comparison of addresses of two decls
8538         that bind locally.  Consolidate address folding code.
8540 2008-03-26  Nick Clifton  <nickc@redhat.com>
8542         PR target/31232
8543         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
8544         not allow INT+INT as a legitimate addressing mode.
8546 2008-03-26  Richard Guenther  <rguenther@suse.de>
8548         * tree-flow.h (widen_bitfield): Remove declaration.
8549         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
8550         (widen_bitfield): Remove function.
8551         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
8552         code.
8554 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8556         PR target/31558
8557         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
8558         error_mark_node's.
8560 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
8562         PR rtl-optimization/35232
8563         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
8564         (forget_old_reloads_1, forget_marked_reloads): Don't clear
8565         reg_reloaded_call_part_clobbered here.
8566         (reload_regs_reach_end_p): New function.
8567         (reload_reg_rtx_for_input): New variable.
8568         (reload_reg_rtx_for_output): Likewise.
8569         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
8570         when reassigning a pseudo register.  Load reloadreg from 
8571         reload_reg_rtx_for_input, moving the mode and register
8572         calculation to...
8573         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
8574         instead of the original when deciding whether an input reload
8575         would be a no-op or whether an output reload can be deleted.
8576         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
8577         when setting up new_spill_reg_store.  Load it from
8578         reload_reg_rtx_for_output, moving the mode and register
8579         calculation to...
8580         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
8581         instead of the original when deciding whether an output reload
8582         would be a no-op.  Do the same when modifying insn notes.
8583         Use rtx_equal_p instead of == to compare the registers.
8584         (inherit_piecemeal_p): Take a mode and two register numbers
8585         as argument.
8586         (emit_reload_insns): Clear new_spill_reg_store for every hard
8587         register in the reload register.  Remove spill registers
8588         from reg_reloaded_valid before considering whether to record
8589         inheritance information for them.  Use reload_reg_rtx_for_output
8590         instead of reg_rtx when recording output reloads.  Use
8591         reload_reg_rtx_for_input instead of reg_rtx when recording
8592         input reloads.  Set or clear reg_reloaded_call_part_clobbered
8593         at the same time as setting reg_reloaded_valid.
8594         (delete_output_reload): Add a new_reload_reg parameter and use it
8595         instead of rld[j].reg_rtx.
8596         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
8597         calls accordingly.
8599 2008-03-25  Tom Tromey  <tromey@redhat.com>
8601         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
8602         (build/genattr.o): Likewise.
8603         (build/genattrtab.o): Likewise.
8604         (build/gencodes.o): Likewise.
8605         (build/genconfig.o): Likewise.
8606         (build/genconstants.o): Likewise.
8607         (build/genemit.o): Likewise.
8608         (build/genextract.o): Likewise.
8609         (build/genflags.o): Likewise.
8611 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
8612         
8613         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
8614         instead of size_int for integer types.
8615         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
8616         to match type of MINUS_EXPR.
8617         
8618 2008-03-25  Tom Tromey  <tromey@redhat.com>
8620         * configure: Rebuilt.
8621         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
8622         Makefile.
8624 2008-03-25  Tom Tromey  <tromey@redhat.com>
8626         * config/x-solaris (host-solaris.o): Update.
8627         * config/x-linux (host-linux.o): Update.
8628         * config/x-hpux (host-hpux.o): Update.
8629         * config/x-darwin (host-darwin.o): Update.
8630         * config/v850/t-v850e (v850-c.o): Update.
8631         * config/v850/t-v850 (v850-c.o): Update.
8632         * config/t-vxworks (vxworks.o): Update.
8633         * config/t-sol2 (sol2-c.o, sol2.o): Update.
8634         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
8635         * config/spu/t-spu-elf (spu-c.o): Update.
8636         (spu.o): Remove.
8637         * config/sh/t-symbian (sh-c.o): Update.
8638         (symbian.o): Update.
8639         * config/sh/t-sh (sh-c.o): Update.
8640         * config/score/t-score-elf (score7.o, score3.o): Update.
8641         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
8642         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
8643         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
8644         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
8645         (rs6000.o): Remove.
8646         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
8647         * config/m32c/t-m32c (m32c-pragma.o): Update.
8648         * config/ia64/t-ia64 (ia64-c.o): Update.
8649         * config/i386/x-mingw32 (host-mingw32.o): Update.
8650         * config/i386/x-i386 (driver-i386.o): Update.
8651         * config/i386/x-darwin (host-i386-darwin.o): Update.
8652         * config/i386/x-cygwin (host-cygwin.o): Update.
8653         * config/i386/t-nwld (nwld.o): Update.
8654         * config/i386/t-netware (netware.o): Update.
8655         * config/i386/t-interix (winnt.o): Update.
8656         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
8657         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
8658         msformat-c.o): Update.
8659         * config/bfin/t-bfin-linux (generated_files): Add
8660         linux-sysroot-suffix.h.
8661         * config/arm/t-wince-pe (pe.o): Update.
8662         * config/arm/t-strongarm-pe (pe.o): Update.
8663         * config/arm/t-pe (pe.o): Update.
8664         * config/arm/t-arm (arm-c.o): Update.
8665         * doc/install.texi (Prerequisites): Require make 3.80.
8666         * Makefile.in: Remove .o targets.
8667         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
8668         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
8669         (simple_generated_h, simple_generated_c): Move earlier.
8670         (generated_files): New variable.
8671         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
8672         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
8673         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
8674         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
8675         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
8676         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
8677         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
8678         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
8679         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
8680         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
8681         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
8682         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
8683         (.c.o): Remove.
8684         (COMPILE.base, COMPILE): New variables.
8685         (%.o): New pattern rule.
8686         (ALL_HOST_OBJS): New variable.
8687         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
8688         (dummy-checksum.o, cc1-checksum.o): Remove.
8689         (DRIVER_SHLIB): New variable.
8690         (DRIVER_DEFINES): Use it.
8691         (gencondmd.c): Move out of build/.
8692         (s-conditions): Update.
8693         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
8694         (ALL_BUILD_OBJS): Likewise.
8695         (build/%.o): Use BUILDCOMPILE.
8696         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
8697         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
8698         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
8699         build/gencheck.o, build/gencodes.o, build/genconditions.o,
8700         build/genconfig.o, build/genconstants.o, build/genemit.o,
8701         build/genextract.o, build/genflags.o, build/genmddeps.o,
8702         build/genopinit.o, build/genoutput.o, build/genpeep.o,
8703         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
8704         build/gen-protos.o, build/scan.o, build/fix-header.o,
8705         build/scan-decls.o): Simplify.
8706         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
8707         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
8708         prefix.o, toplev.o): Reduce to variable setting.
8709         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
8710         ($(out_object_file), gcc-options.o): New targets.
8711         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
8712         * configure: Rebuilt.
8713         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
8714         * doc/sourcebuild.texi (Front End Directory): Document new variable.
8716 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
8718         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
8719         complain when we hit an error, return ERROR_MARK_NODE.
8721 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
8723         * config/sh/constraints.md (Pso, Psz): New constraints.
8724         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
8725         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
8727 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
8729         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
8730         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
8732 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
8734         * config/sh/sh.md (prefetch): Add condition for SH2A target.
8735         (prefetch_sh2a): New.   
8737 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
8738             Naveen.H.S  <naveen.hs@kpitcummins.com>
8740         * config/sh/constraints.md (I28): New constraint.
8741         * config/sh/sh.c (broken_move): Add support for movi20s.
8742         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
8744 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
8745             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
8746             Naveen.H.S  <naveen.hs@kpitcummins.com>
8748         * config/sh/sh.c (SH_ATTRIBUTES): Define.
8749         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
8750         (print_operand): Handle resbank in %@ operand code.
8751         (sh_encode_section_info): New.
8752         (push_regs): Add conditions for resbank.
8753         (sh_expand_epilogue): Likewise.
8754         (sh_insert_attributes): Likewise.
8755         (sh_attribute_table): Likewise.
8756         (sh_handle_resbank_handler_attribute): New.
8757         (sh2a_handle_function_vector_handler_attribute): New.
8758         (sh2a_is_function_vector_call): New.
8759         (sh2a_get_function_vector_number): New.
8760         (sh2a_function_vector_p): New.
8761         (sh_cfun_resbank_handler_p): New.
8762         * config/sh/sh.md (calli): Emit jsr/n if possible.
8763         (calli_tbr_rel): New.
8764         (calli_pcrel): Emit jsr/n if possible.
8765         (return_i): Emit rts/n if possible.
8766         (call_valuei_tbr_rel): New.
8767         (call_valuei_pcrel): Add condition for SH2A target.
8768         (call_value): Likewise.
8769         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
8770         (sh2a_get_function_vector_number): Likewise.
8771         (sh2a_is_function_vector_call): Likewise.
8772         * doc/extend.texi: Document TBR relative addressing of SH2A.
8773         (resbank): Add description for SH2A.
8775 2008-03-24  Richard Guenther  <rguenther@suse.de>
8777         PR c/22371
8778         * gimplify.c (gimplify_modify_expr): For frontend type-correct
8779         pointer assignments change conversions according to middle-end rules.
8780         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
8781         * configure.ac: Include type checking in yes.
8782         * configure: Regenerate.
8784 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8786         * diagnostic.c (diagnostic_count_diagnostic): Delete.
8787         (diagnostic_report_diagnostic): Update. Handle ICEs here.
8788         
8789 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
8791         * gthr-vxworks.h (UNUSED): Define.
8793 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
8795         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
8797 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
8799         * doc/extend.texi (Function Attributes): Add missing comma in the
8800         example of the "alloc_size" attribute.
8801         
8802 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
8804         Revert:
8805         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
8807         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8808         32bit host.
8810         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
8812         PR target/35496
8813         * stor-layout.c (update_alignment_for_field): Set minimum alignment
8814         of the underlying type of a MS bitfield layout to the natural
8815         alignment of the type.
8817         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
8819         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
8820         to their natural alignment to avoid store forwarding stalls.
8822 2008-03-22  Richard Guenther  <rguenther@suse.de>
8824         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
8825         For PHI nodes verify the address is invariant.
8826         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
8827         (get_symbol_constant_value): Use is_gimple_min_invariant.
8828         (maybe_fold_stmt_indirect): Likewise.
8830 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
8832         PR rtl-optimization/33927
8833         * Makefile.in (dse.o): Depend on $(TM_P_H).
8834         * expr.h (extract_low_bits): Declare.
8835         * expmed.c (extract_low_bits): New function.
8836         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
8837         * dse.c: Include tm_p.h.
8838         (find_shift_sequence): Remove the read_reg argument and return the
8839         read value.  Emit the instructions instead of returning them.
8840         Iterate on new_mode rather than calculating it each time.
8841         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
8842         source to NEW_MODE and extract_low_bits to convert the shifted
8843         value to READ_MODE.
8844         (replace_read): Allow the load and store to have different mode
8845         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
8846         or extraction instructions before trying the replacement.  Update
8847         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
8849 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
8851         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
8852         to their natural alignment to avoid store forwarding stalls.
8854 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8856         PR target/27946
8857         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
8858         encouraging but not allowing gprs for input;
8859         change the input constraint to !f#r.
8860         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
8861         gprs for output;
8862         change the output constraint to !f#r.
8864 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
8866         PR target/13958
8867         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
8868         corresponding post-reload splitters.
8869         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
8870         when x87 FP math is selected.
8871         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
8872         New function prototype.
8873         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
8874         unreachable function to ease macroization of insn patterns.
8876 2008-03-21  Martin Jambor  <mjambor@suse.cz>
8878         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
8879         reference dumps if ddr is NULL or dependence is unknown.
8881 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8883         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
8884         unsigned extension into account.
8885         (ATOMIC_COMPARE_AND_SWAP): Likewise.
8886         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
8887         Do computations on a scratch register.
8889 2008-03-21  Richard Guenther  <rguenther@suse.de>
8891         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
8892         Use is_gimple_min_invariant instead of TREE_INVARIANT.
8893         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
8894         * tree-ssa-dom.c (record_equality): Likewise.
8895         * tree-inline.c (copy_body_r): Likewise.
8896         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
8897         TREE_INVARIANT.
8899 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
8901         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
8902         as 'delete_unused' argument.
8904 2008-03-20  Richard Guenther  <rguenther@suse.de>
8906         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
8907         special casing of constant qualifiers.
8908         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
8909         care about them in general.
8910         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
8911         regardless of their type.
8912         (fold_stmt_r): Forcefully fold *& if we end up with that.
8914 2008-03-20  Paul Brook  <paul@codesourcery.com>
8916         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
8917         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
8918         linker flags.
8919         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
8920         definition.
8921         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
8922         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
8924 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
8926         * common.opt (Wmudflap): New option.
8927         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
8928         (mx_register_decls): Likewise.
8929         (mudflap_finish_file): Likewise.
8930         * doc/invoke.texi: Document -Wno-mudflap.
8932 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
8934         * c-format.c (replace_format_name_to_system_name): New.
8935         (cmp_attribs): New.
8936         (convert_format_name_to_system_name): New.
8937         (decode_format_attr): Add use of convert_format_name_to_system_name.
8938         (format_types_orig): Add gnu_ prefix to names.
8939         (check_format_info_main): Special treating of \0 escaped names for
8940         supporting multi-character format specifiers as I32, I64.
8941         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
8942         (gnu_target_overrides_format_attributes): New.
8943         * c-format.h: Add structure target_ovr_attr to hold
8944         system specific formatter names.
8945         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
8946         msformat-c.o file to c_target_objs and cxx_target_objs.
8947         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
8948         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
8949         (TARGET_N_FORMAT_TYPES): New.
8950         * config/i386/msformat-c.c: New.
8951         * config/i386/t-cygming: Add build rule for msformat-c.o.
8952         * doc/extend.texi: Add new format names gnu_* and ms_* and
8953         further details.
8954         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
8956 2008-03-20  Ira Rosen  <irar@il.ibm.com>
8958         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
8959         optimizations turned on under -O3.
8960         (ftree-vectorize): Add that the flag is turned on with -O3.
8962 2008-03-20  Ben Elliston  <bje@au.ibm.com>
8964         * regmove.c (try_auto_increment): Fix spelling error in comment.
8965         * final.c (final_scan_insn): Likewise.
8967 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
8969         PR target/14552
8970         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
8971         allocator preferences for "y" and "r" class registers.
8972         ("*mov<mode>_internal"): Ditto.
8973         ("*movv2sf_internal_rex64"): Ditto.
8974         ("*movv2sf_internal"): Ditto.
8976 2008-03-19  Michael Matz  <matz@suse.de>
8978         PR middle-end/35616
8979         * calls.c (expand_call): Check overlap of arguments with call
8980         address for sibcalls.
8982 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
8984         PR target/35496
8985         * stor-layout.c (update_alignment_for_field): Set minimum alignment
8986         of the underlying type of a MS bitfield layout to the natural
8987         alignment of the type.
8989 2008-03-19  Jan Hubicka  <jh@suse.cz>
8991         PR other/35094
8992         * toplev.c (decode_d_option): Handle all CPP flags.
8993         * tree-vrp.c: Update tree_pass descriptors.
8994         * regrename.c: Update tree_pass descriptors.
8995         * fwprop.c: Update tree_pass descriptors.
8996         * doc/invoke.texi: Remove documentation of dropped -d? flags.
8997         * tree-into-ssa.c: Update tree_pass descriptors.
8998         * tree-dump.c: Update tree_pass descriptors.
8999         * tree-complex.c: Update tree_pass descriptors.
9000         * tree-dump.h: Update tree_pass descriptors.
9001         * see.c: Update tree_pass descriptors.
9002         * cgraphbuild.c: Update tree_pass descriptors.
9003         * tracer.c: Update tree_pass descriptors.
9004         * tree-loop-distribution.c: Update tree_pass descriptors.
9005         * cgraph.c: Update tree_pass descriptors.
9006         * postreload-gcse.c: Update tree_pass descriptors.
9007         * postreload.c: Update tree_pass descriptors.
9008         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
9009         * tree-tailcall.c: Update tree_pass descriptors.
9010         * tree-pass.h (tree_opt_pass): Rename to ...
9011         (opt_pass) ... this one; add "type" field and remove letter field.
9012         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
9013         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
9014         all_lowering_passes): Update declaration.
9015         * ipa-cp.c: Update tree_pass descriptors.
9016         * final.c: Update tree_pass descriptors.
9017         * omp-low.c: Update tree_pass descriptors.
9018         * tree-ssa-dse.c: Update tree_pass descriptors.
9019         * ipa-reference.c: Update tree_pass descriptors.
9020         * tree-ssa-uncprop.c: Update tree_pass descriptors.
9021         * auto-inc-dec.c: Update tree_pass descriptors.
9022         * reorg.c: Update tree_pass descriptors.
9023         * cgraphunit.c: Update tree_pass descriptors.
9024         * tree-ssa-copyrename.c: Update tree_pass descriptors.
9025         * tree-ssa-ccp.c: Update tree_pass descriptors.
9026         * df-core.c: Update tree_pass descriptors.
9027         * mode-switching.c: Update tree_pass descriptors.
9028         * tree-nomudflap.c: Update tree_pass descriptors.
9029         * modulo-sched.c: Update tree_pass descriptors.
9030         * ipa-pure-const.c: Update tree_pass descriptors.
9031         * cse.c: Update tree_pass descriptors.
9032         * web.c: Update tree_pass descriptors.
9033         * tree-stdarg.c: Update tree_pass descriptors.
9034         * tree-ssa-math-opts.c: Update tree_pass descriptors.
9035         * tree-ssa-dom.c: Update tree_pass descriptors.
9036         * tree-nrv.c: Update tree_pass descriptors.
9037         * tree-ssa-alias.c: Update tree_pass descriptors.
9038         * loop-init.c: Update tree_pass descriptors.
9039         * gimple-low.c: Update tree_pass descriptors.
9040         * ipa-inline.c: Update tree_pass descriptors.
9041         * tree-ssa-sink.c: Update tree_pass descriptors.
9042         * global.c: Update tree_pass descriptors.
9043         * ifcvt.c: Update tree_pass descriptors.
9044         * jump.c: Update tree_pass descriptors.
9045         * predict.c: Update tree_pass descriptors.
9046         * tree-ssa-loop.c: Update tree_pass descriptors.
9047         * recog.c: Update tree_pass descriptors.
9048         * dse.c: Update tree_pass descriptors.
9049         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
9050         * tree-eh.c: Update tree_pass descriptors.
9051         * regmove.c: Update tree_pass descriptors.
9052         * local-alloc.c
9053         * function.c: Update tree_pass descriptors.
9054         * tree-vectorizer.c: Update tree_pass descriptors.
9055         * gcse.c: Update tree_pass descriptors.
9056         * ipa-type-escape.c: Update tree_pass descriptors.
9057         * tree-if-conv.c: Update tree_pass descriptors.
9058         * init-regs.c: Update tree_pass descriptors.
9059         * ipa.c: Update tree_pass descriptors.
9060         * tree-ssa-phiopt.c: Update tree_pass descriptors.
9061         * rtl-factoring.c: Update tree_pass descriptors.
9062         * lower-subreg.c: Update tree_pass descriptors.
9063         * bt-load.c: Update tree_pass descriptors.
9064         * tree-dfa.c: Update tree_pass descriptors.
9065         * except.c: Update tree_pass descriptors.
9066         * emit-rtl.c: Update tree_pass descriptors.
9067         * cfgexpand.c: Update tree_pass descriptors.
9068         * tree-cfgcleanup.c: Update tree_pass descriptors.
9069         * cfgcleanup.c: Update tree_pass descriptors.
9070         * tree-ssa-pre.c: Update tree_pass descriptors.
9071         * tree-sra.c: Update tree_pass descriptors.
9072         * tree-mudflap.c: Update tree_pass descriptors.
9073         * tree-ssa-copy.c: Update tree_pass descriptors.
9074         * cfglayout.c: Update tree_pass descriptors.
9075         * tree-ssa-forwprop.c: Update tree_pass descriptors.
9076         * tree-ssa-dce.c: Update tree_pass descriptors.
9077         * tree-ssa.c: Update tree_pass descriptors.
9078         * regclass.c: Update tree_pass descriptors.
9079         * integrate.c: Update tree_pass descriptors.
9080         * tree-optimize.c: Update tree_pass descriptors.
9081         * tree-ssa-phiprop.c: Update tree_pass descriptors.
9082         * tree-object-size.c: Update tree_pass descriptors.
9083         * combine.c: Update tree_pass descriptors.
9084         * tree-outof-ssa.c: Update tree_pass descriptors.
9085         * bb-reorder.c: Update tree_pass descriptors.
9086         * stack-ptr-mod.c: Update tree_pass descriptors.
9087         * var-tracking.c: Update tree_pass descriptors.
9088         * tree-profile.c: Update tree_pass descriptors.
9089         * tree-vect-generic.c: Update tree_pass descriptors.
9090         * reg-stack.c: Update tree_pass descriptors.
9091         * sched-rgn.c: Update tree_pass descriptors.
9092         * tree-ssa-structalias.c: Update tree_pass descriptors.
9093         * tree-cfg.c: Update tree_pass descriptors.
9094         * passes.c (current_pass): Update declaration.
9095         (finish_optimization_passes): Update.
9096         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
9097         (register_one_dump_file, register_dump_files_1, next_pass_1):
9098         Update arguments.
9099         (init_optimization_passes): Update handling of new types.
9100         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
9101         * ipa-struct-reorg.c: Update tree_pass descriptors.
9102         * tree-ssa-reassoc.c: Update tree_pass descriptors.
9103         * combine-stack-adj.c: Update tree_pass descriptors.
9104         * cfgrtl.c: Update tree_pass descriptors.
9105         * dce.c: Update tree_pass descriptors.
9106         * tree-ssanames.c: Update tree_pass descriptors.
9108 2008-03-19  Richard Guenther  <rguenther@suse.de>
9110         PR middle-end/35609
9111         * tree-ssa.c (walk_data): New structure.
9112         (warn_uninitialized_var): If not always_executed warn with "maybe"
9113         instead of "is".
9114         (execute_early_warn_uninitialized): Compute post-dominators.
9115         Initialize always_executed before processing each basic block.
9117 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
9119         PR target/35504
9120         * config/i386/i386.c (x86_this_parameter): Calculate correct location
9121         of "this" pointer when "regparm = N" or "fastcall" is in effect.
9123 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9125         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
9127 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
9129         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
9130         is true.
9131         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
9132         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
9133         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
9134         target after ignore has been set, and move there also the commputation
9135         of subtarget and original_target.
9136         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
9137         (LANG_HOOKS_INITIALIZER): Remove it.
9138         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
9140 2008-03-18  Richard Guenther  <rguenther@suse.de>
9142         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
9143         found an expression with constants, note that in the VN for the lhs.
9144         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
9145         fold them to constants if possible.  Run cleanup_cfg if done so.
9146         (execute_pre): Return todo.
9147         (do_pre): Likewise.
9148         (execute_fre): Likewise.
9149         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
9150         of constants.
9151         (get_prop_source_stmt): Look through pointer conversions.
9153 2008-03-18  Jan Hubicka  <jh@suse.cz>
9155         * tree-pretty-print.c: Include predict.h.
9156         (dump_generic_node): Dump predictor.
9157         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
9158         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
9159         * gimple-low.c (lower_stmt): Likewise.
9160         * expr.c (expand_expr_real): Likewise.
9161         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
9162         them.
9163         (build_predict_expr, build_predict_expr): New.
9164         * predict.h (predictor_name, build_predict_expr): Update.
9165         * c-typeck.c (c_finish_bc_stmt): Add prediction.
9166         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
9167         * predict.def (PRED_CONTINUE): Update hitrate.
9168         * tree.def (PREDICT_EXPR): Define.
9169         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
9170         do not handle BIND_EXPR.
9171         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
9172         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
9173         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
9174         operands.
9176 2008-03-18  Michael Matz  <matz@suse.de>
9178         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
9180 2008-03-18  Richard Guenther  <rguenther@suse.de>
9182         * tree-gimple.h (is_gimple_invariant_address): Declare.
9183         (is_gimple_constant): Likewise.
9184         * tree-gimple.c (is_gimple_constant): New function.
9185         (is_gimple_invariant_address): Likewise.
9186         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
9187         and is_gimple_invariant_address.
9188         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
9189         previous change.
9190         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
9191         an addressable base.
9193 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
9195         PR middle-end/35611
9196         * gimplify.c (gimplify_expr): Gimplify second operand of
9197         OMP_ATOMIC_LOAD.
9199 2008-03-17  Richard Guenther  <rguenther@suse.de>
9201         PR tree-optimization/19637
9202         * fold-const.c (fold_unary): Remove restrictions of removing
9203         intermediate pointer-conversions (P2)(P1)P0.
9204         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
9205         conversion to void pointer.
9206         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
9208 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
9210         PR debug/31510
9211         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
9212         emulated thread local variables.
9214 2008-03-16  Richard Guenther  <rguenther@suse.de>
9216         PR middle-end/35607
9217         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
9218         expand TREE_INVARIANT operations that are not gimple invariant.
9220 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
9222         * doc/extend.texi (Alignment): Say that the ABI controls
9223         the __alignof__ for non-strict-alignment targets rather
9224         than being a recommendation.
9226 2008-03-15  Paul Brook  <paul@codesourcery.com>
9228         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
9229         annotations.
9230         (arm_output_fn_unwind): Mark functions that can not be unwound.
9232 2008-03-15  Paul Brook  <paul@codesourcery.com>
9234         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
9235         extension instructions.
9237 2008-03-15  Richard Guenther  <rguenther@suse.de>
9239         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
9240         and fold constant aggregate refs.
9241         (fold_const_aggregate_ref): Handle string constants
9242         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
9243         (evaluate_stmt): Simplify now that ccp_fold folds constant
9244         aggregate refs.
9246 2008-03-15  Paul Brook  <paul@codesourcery.com>
9248         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
9249         (extzv): Use gen_extzv_t2.
9250         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
9252 2008-03-15  Richard Guenther  <rguenther@suse.de>
9254         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
9255         (fold_const_aggregate_ref): Likewise.
9256         (get_value): Return NULL if we don't have any values.
9257         (ccp_finalize): Set const_val to NULL after freeing it.
9258         * tree-flow.h (get_symbol_constant_value): Declare.
9259         (fold_const_aggregate_ref): Likewise.
9260         * tree-ssa-sccvn.c (try_to_simplify): Use them.
9262 2008-03-15  Richard Guenther  <rguenther@suse.de>
9264         PR middle-end/35593
9265         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
9266         to not produce negative array indices if not allowed.  Add
9267         parameter to indicate that.
9268         (maybe_fold_offset_to_component_ref): Allow negative array
9269         indices only for the first member of a structure.
9270         (maybe_fold_offset_to_reference): Allow negative array indices.
9271         (maybe_fold_stmt_addition): Likewise.
9273 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
9274             Anatoly Sokolov <aesok@post.ru>
9276         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
9277         (avr_arch): Add ARCH_AVR6.
9278         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
9279         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
9280         instead of fixed value 2.
9281         (print_operand_address): Use gs() asm specifier instead of pm().
9282         (avr_assemble_integer): (Ditto.).
9283         (avr_output_addr_vec_elt): (Ditto.).
9284         (print_operand): Handle "!" code.
9285         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
9286         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
9287         (AVR_HAVE_EIJMP_EICALL): Define.
9288         (AVR_3_BYTE_PC): Redefine.
9289         (AVR_2_BYTE_PC): (Ditto.).
9290         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
9291         (LINK_SPEC): Add atmega2560 and atmega2561.
9292         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
9293         (crtm2561.o).
9294         * config/avr/avr.md (call_insn): Use eicall instead of icall 
9295         for 3 byte PC devices.
9296         (call_value_insn): (Ditto.).
9297         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
9298         (indirect_jump): Use only for for 2 byte PC devices.
9299         (*tablejump): (Ditto.).
9300         (*indirect_jump_avr6): Add insn.
9301         (*tablejump_rjmp): Don't use for 3 byte PC devices.
9302         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
9303         instead of ijmp for 3 byte PC devices.
9304         (__tablejump2__): (Ditto.).
9305         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
9306         (MULITLIB_DIRNAMES): (Ditto.). 
9307         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
9309 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
9311         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
9312         "sse2_umulsidi3".  Use V1DI mode for operand 0.
9313         ("mmx_psadbw"): Use V1DI mode for operand 0.
9314         * config/i386/i386-modes.def (V1SI): New vector mode.
9315         * config/i386/i386.c (struct builtin_description)
9316         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
9317         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
9318         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
9319         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
9320         v1di_ftype_v8qi_v8qi type.
9321         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
9323         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
9324         __builtin_ia32_pmuludq]: Fix the mode of return value.
9326 2008-03-15  Richard Guenther  <rguenther@suse.de>
9328         PR middle-end/35595
9329         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
9330         being a PHI_NODE.
9332 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
9333         
9334         * doc/invoke.texi (Option Summary, Xtensa Options): Document
9335         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
9336         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
9337         unless TARGET_SERIALIZE_VOLATILE is enabled.
9338         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
9339         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
9340         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
9342 2008-03-14  Richard Guenther  <rguenther@suse.de>
9344         PR tree-optimization/34172
9345         * tree-flow.h (refs_may_alias_p): Declare.
9346         (get_single_def_stmt): Likewise.
9347         (get_single_def_stmt_from_phi): Likewise.
9348         (get_single_def_stmt_with_phi): Likewise.
9349         * tree-dfa.c (refs_may_alias_p): New function.
9350         (get_single_def_stmt): Likewise.
9351         (get_single_def_stmt_from_phi): Likewise.
9352         (get_single_def_stmt_with_phi): Likewise.
9353         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
9354         (vn_reference_lookup_1): New helper function.
9355         (vn_reference_lookup): Walk the virtual use-def chain to
9356         continue searching for a match if the def does not alias the
9357         reference we are looking for.
9359 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
9361         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
9362         archive and Perzl.  Update The Written Word listing.
9364 2008-03-14  Richard Guenther  <rguenther@suse.de>
9366         PR tree-optimization/34043
9367         PR tree-optimization/33989
9368         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
9369         when doing FRE.
9370         (bitmap_find_leader): Use extra argument to verify dominance
9371         relationship inside a basic-block.
9372         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
9373         (find_leader_in_sets): Adjust.
9374         (create_component_ref_by_pieces): Take extra argument for
9375         dominance check, handle lookup failures.
9376         (find_or_generate_expression): Likewise.
9377         (create_expression_by_pieces): Likewise.
9378         (insert_into_preds_of_block): Adjust.
9379         (create_value_expr_from): If asked for, verify all operands
9380         are in the blocks AVAIL_OUT set.
9381         (make_values_for_stmt): Check for SSA_NAMEs that are life
9382         over an abnormal edge.
9383         (compute_avail): Remove such check.
9384         (do_SCCVN_insertion): New function.
9385         (eliminate): If we do not find a leader suitable for replacement
9386         insert a replacement expression from SCCVN if available.
9387         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
9388         (struct vn_ssa_aux): Add needs_insertion flag.
9389         * tree-ssa-sccvn.c (may_insert): New global flag.
9390         (copy_reference_ops_from_ref): Value-number union member access
9391         based on its size, not type and member if insertion is allowed.
9392         (visit_reference_op_load): For a weak match from union type
9393         punning lookup a view-converted value and insert a SSA_NAME
9394         for that value if that is not found.
9395         (visit_use): Make dumps shorter.  Do not disallow value numbering
9396         SSA_NAMEs that are life over an abnormal edge to constants.
9397         (free_scc_vn): Release inserted SSA_NAMEs.
9398         (run_scc_vn): New flag to specify whether insertion is allowed.
9399         Process SSA_NAMEs in forward order.
9400         * tree-ssa-loop-im.c (for_each_index): Handle invariant
9401         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
9402         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
9403         pointer type to/from integral types that do not change the
9404         precision to regular conversions.
9406 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
9408         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
9409         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
9410         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
9411         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
9412         input arguments and the mode of return value.  Built-in functions
9413         that operate on whole 64-bit MMX register now use V1DI mode.
9415 2008-03-13  Alon Dayan  <alond@il.ibm.com>
9416             Olga Golovanevsky  <olga@il.ibm.com>
9418         PR tree-optimization/35041
9419         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
9420         to locate the right position in a statement.
9422 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
9424         PR target/34000
9425         PR target/35553
9426         * config/i386/xmmintrin.h:  Change all static inline functions to
9427         extern inline and add __gnu_inline__ attribute.
9428         * config/i386/bmintrin.h: Ditto.
9429         * config/i386/smmintrin.h: Ditto.
9430         * config/i386/tmmintrin.h: Ditto.
9431         * config/i386/mmintrin-common.h: Ditto.
9432         * config/i386/ammintrin.h: Ditto.
9433         * config/i386/emmintrin.h: Ditto.
9434         * config/i386/pmmintrin.h: Ditto.
9435         * config/i386/mmintrin.h: Ditto.
9436         * config/i386/mm3dnow.h: Ditto.
9438 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
9440         PR middle-end/35185
9441         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
9442         (lower_omp_2): New function.
9443         (lower_omp_1, lower_omp): Rewritten.
9445 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
9447         PR 35054
9448         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
9449         with the phrase "Microsoft Windows compilers".
9450         (Push/Pop Macro Pragmas): New subsection. Document
9451         #pragma push_macro and pragma pop_macro.
9453 2008-03-12  Paul Brook  <paul@codesourcery.com>
9455         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
9457 2008-03-12  Paul Brook  <paul@codesourcery.com>
9459         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
9460         (thumb2_alusi3_short): Exclude PLUS and MINUS.
9461         (thumb2_addsi_shortim): Rename ...
9462         (thumb2_addsi_short): ... to this.  Allow register operands.
9463         (thumb2_subsi_short): New pattern.
9464         (thumb2_one_cmplsi2_short,
9465         thumb2_negsi2_short): New patterns and peepholes.
9467 2008-03-12  Paul Brook  <paul@codesourcery.com>
9469         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
9471 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
9473         * config/i386/i386.md (int_cond): New code iterator.
9474         (fp_cond): Ditto.
9475         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
9476         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
9477         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
9478         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
9479         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
9480         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
9481         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
9482         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
9484 2008-03-12  Paul Brook  <paul@codesourcery.com>
9486         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
9487         instead of {arm,thumb}_compute_save_reg_mask.
9488         (output_return_instruction): Ditto.
9489         (thumb_unexpanded_epilogue): Ditto.
9490         (thumb1_expand_prologue): Ditto.
9491         (thumb1_output_function_prologue): Ditto.
9492         (arm_set_return_address): Ditto.
9493         (thumb_set_return_address): Ditto.
9494         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
9495         regs to achieve stack alignment.
9496         (thumb1_compute_save_reg_mask): Fix compiler warning.
9497         (arm_output_epilogue): Use offsets->saved_regs_mask.
9498         Adjust stack pointer by poping call clobered registers.
9499         (arm_expand_prologue): Use offsets->saved_regs_mask.
9500         Adjust stack pointer by pushing extra registers.
9501         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
9503 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
9505         PR tree-opt/35422
9506         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
9507         conversion to the operands of a multiplication.
9509 2008-03-12  Richard Guenther  <rguenther@suse.de>
9511         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
9512         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
9513         * timevar.def (TV_TREE_PHIPROP): Add.
9514         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
9515         pass description.  Use TV_TREE_PHIPROP.
9516         * tree-ssa-forwprop.c: Remove phiprop code.
9518 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
9520         PR middle-end/35549
9521         * omp-low.c (maybe_lookup_decl): Constify first argument.
9522         (use_pointer_for_field): Change last argument from bool to
9523         omp_context *.  Disallow shared copy-in/out in nested
9524         parallel if decl is shared in outer parallel too.
9525         (build_outer_var_ref, scan_sharing_clauses,
9526         lower_rec_input_clauses, lower_copyprivate_clauses,
9527         lower_send_clauses, lower_send_shared_vars): Adjust callers.
9529 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
9530             Ira Rosen  <irar@il.ibm.com>
9532         * tree-vectorizer.c (free_stmt_vec_info): New function.
9533         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
9534         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
9535         * tree-vectorizer.h (free_stmt_vec_info): Declare.
9536         * tree-vect-transform.c (vectorizable_conversion): Free
9537         vec_oprnds0 if it was allocated.
9538         (vect_permute_store_chain): Remove unused VECs.
9539         (vectorizable_store): Free VECs that are allocated in the..
9540         function.
9541         (vect_transform_strided_load, vectorizable_load): Likewise.
9542         (vect_remove_stores): Simplify the code.
9543         (vect_transform_loop): Move code to vect_remove_stores().
9544         Call vect_remove_stores() and free_stmt_vec_info().
9546 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9548         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
9549         TARGET_HPUX.  Revise comment.
9550         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
9551         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
9552         Use sr4 variant of `be' instruction when not generating PIC code.
9553         (attr_length_call): Adjust for above change.
9555 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9557         * ipa-reference.c (static_execute): Remove module_statics_const and
9558         associated setting code.
9560 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
9562         PR target/35540
9563         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
9564         predicate for operand 1.
9565         (paritysi2_cmp): Use register_operand predicate for operand 2.
9566         Use earlyclobber modifier for operand 1.  Remove support for
9567         memory operands.
9568         (paritydi2_cmp): Use register_operand predicate for operand 3.
9569         Use earlyclobber modifier for operand 1.  Remove support for
9570         memory operands.
9572 2008-03-11  Paul Brook  <paul@codesourcery.com>
9573             Vladimir Prus  <vladimir@codesourcery.com>
9575         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
9576         (arm_compute_save_reg0_reg12_mask): Always
9577         check if register 11 must be saved.  Always safe hard frame pointer
9578         when frame_pointer_needeed.
9579         (arm_compute_save_reg_mask): Save IP and PC
9580         only with apcs frames.
9581         (arm_output_epilogue): Adjust Thumb2 codepath to
9582         be also invoked and work for ARM non-apcs frames.
9583         (arm_expand_prologue): Don't bother saving IP
9584         for non-apcs frame, since it's not clobbered by
9585         prologue code.  Implement non-apcs frame
9586         layout.
9588 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
9590         PR rtl-optimization/35281
9591         * expr.c (convert_move): Use a new pseudo for the intermediate
9592         from_mode->word_mode result.
9594 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
9596         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
9597         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
9598         * toplev.c (compile_file): Don't call it.
9600 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
9602         PR middle-end/35526
9603         * expr.c (store_expr): Call emit_block_move if the mode
9604         of "temp" RTX is BLKmode.
9606 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9607             Richard Guenther  <rguenther@suse.de>
9609         PR tree-optimization/31358
9610         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
9611         the step with a NULL_TREE.
9612         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
9613         to sizetype if type is a pointer type.
9614         (add_candidate_1): Don't convert the base and step to
9615         the generic type if the orginal type is a pointer type.
9616         (add_iv_value_candidates): Use sizetype for the step
9617         if type is a pointer type.
9618         (cand_value_at): Likewise.
9619         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
9620         for pointer types.
9621         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
9622         Don't convert the tem affine to the type.
9623         (add_elt_to_tree): Use sizetype for the step if a pointer.
9624         Use POINTER_PLUS_EXPR for pointers.
9625         (aff_combination_to_tree): Use sizetype for the step if a
9626         pointer.
9628 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
9630         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
9631         Remove commutativity hint.
9633 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
9635         PR c/35438
9636         PR c/35439
9637         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
9638         errorneous type.  Check that v is a VAR_DECL.
9640         PR middle-end/35099
9641         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
9643 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
9645         PR tree-optimization/35494
9646         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
9647         may be overriden at link and run time.
9649 2008-03-10  Richard Guenther  <rguenther@suse.de>
9651         PR tree-optimization/34677
9652         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
9653         (poolify_tree): Likewise.
9654         (modify_expr_template): Likewise.
9655         (poolify_modify_stmt): Likewise.
9656         (insert_fake_stores): Handle all component-ref style stores
9657         in addition to INDIRECT_REF.  Also handle complex types.
9658         Do not poolify the inserted load.
9659         (realify_fake_stores): Do not rebuild the tree but only
9660         make it a SSA_NAME copy.
9661         (init_pre): Remove initialzation of modify_expr_template.
9662         Do not allocate modify_expr_node_pool.
9663         (fini_pre): Do not free modify_expr_node_pool.
9665 2008-03-10  Paul Brook  <paul@codesourcery.com>
9667         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
9668         to avoid conflicts.
9670 2008-03-10  Paul Brook  <paul@codesourcery.com>
9671             Mark Shinwell  <shinwell@codesourcery.com>
9673         * config/arm/cortex-r4.md: New.
9674         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
9675         insn attributes.
9676         * config/arm/arm.md: Include cortex-r4.md.
9677         (insn): Add smmls, sdiv and udiv values.
9678         (generic_sched): Don't use generic scheduling for Cortex-R4.
9679         (arm_issue_rate): New function.
9680         (TARGET_SCHED_ISSUE_RATE): Define.
9682 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
9684         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
9686 2008-03-10  Richard Guenther  <rguenther@suse.de>
9688         * tree-ssa-pre.c (get_sccvn_value): Simplify.
9689         (compute_avail): Do not add stmt uses to AVAIL_OUT.
9691 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
9693         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
9694         Set default to true.
9696 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9698         * c.opt (Wsynth): Deprecate.
9699         * doc/invoke.texi (Option Summary, Warning Options): Document
9700         -Wno-format-contains-nul.
9702 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
9704         PR target/35496
9705         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
9706         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
9708 2008-03-09  Ira Rosen  <irar@il.ibm.com>
9710         * config/rs6000/rs6000.c (builtin_description): Rename vector
9711         left shift operations.
9712         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
9713         (altivec_vsl<VI_char>): Rename to ...
9714         (ashl<mode>3): ... new name.
9715         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
9716         gen_ashlv4si3.
9717         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
9719 2008-03-08  Richard Guenther  <rguenther@suse.de>
9721         * coverage.h (tree_coverage_counter_addr): Declare.
9722         * coverage.c (tree_coverage_counter_addr): New function.
9723         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
9724         before using again.
9725         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
9726         (tree_gen_one_value_profiler): Likewise.
9727         (tree_gen_ic_profiler): Likewise.
9728         (tree_gen_average_profiler): Likewise.
9729         (tree_gen_ior_profiler): Likewise.
9731 2008-03-08  Richard Guenther  <rguenther@suse.de>
9733         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
9734         (vn_binary_op_insert): Likewise.
9735         (vn_unary_op_lookup): Likewise.
9736         (vn_unary_op_insert): Likewise.
9737         (vn_nary_op_lookup): Declare.
9738         (vn_nary_op_insert): Likewise.
9739         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
9740         and binary hashes, use a single obstack for unary_op_pool
9741         and binary_op_pool.
9742         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
9743         a single struct vn_nary_op_s.  Store tree code length and
9744         a variable number of operands.
9745         (struct vn_reference_op_struct): Remove unused op2.
9746         (vn_reference_op_eq): Do not compare op2.
9747         (vn_reference_op_compute_hash): Do not compute hash of op2.
9748         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
9749         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
9750         with vn_nary_op_compute_hash.
9751         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
9752         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
9753         vn_nary_op_lookup.
9754         (vn_unary_op_insert, vn_binary_op_insert): Replace with
9755         vn_nary_op_insert.
9756         (visit_unary_op): Call nary functions.
9757         (visit_binary_op): Likewise.
9758         (process_scc): Adjust for struct vn_tables_s changes.
9759         (allocate_vn_table): Likewise.
9760         (free_vn_table): Likewise.
9761         * tree-vn.c (vn_add): Call nary functions.
9762         (vn_lookup): Likewise.
9764 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
9766         PR target/35498
9767         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
9768         wdst back after sync_compare_and_swapqhi_internal.
9770 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
9772         PR target/22152
9773         * config/i386/i386-modes.def (V1DI): New vector mode.
9774         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
9775         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
9776         (MMXMODE248): Ditto.
9777         (MMXMODE): Add V1DI mode.
9778         (mmxvecsize): Change DI mode to V1DI mode.
9779         ("mov<mode>): Use MMXMODEI8 mode iterator.
9780         ("*mov<mode>_internal_rex64"): Ditto.
9781         ("*mov<mode>_internal"): Ditto.
9782         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
9783         ("mmx_sub<mode>3"): Ditto.
9784         ("mmx_adddi3"): Remove insn pattern.
9785         ("mmx_subdi3"): Ditto.
9786         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
9787         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
9788         ("mmx_ashl<mode>3"): Ditto.
9789         ("mmx_lshrdi3"): Remove insn pattern.
9790         ("mmx_ashldi3"): Ditto.
9791         * config/i386/i386.c (classify_argument): Handle V1DImode.
9792         (function_arg_advance_32): Ditto.
9793         (function_arg_32): Ditto.
9794         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
9795         mmx_addv1di3 insn pattern.
9796         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
9797         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
9798         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
9799         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
9800         Remove definitions of built-in functions.
9801         (V1DI_type_node): New node.
9802         (v1di_ftype_v1di_int): Ditto.
9803         (v1di_ftype_v1di_v1di): Ditto.
9804         (v2si_ftype_v2si_si): Ditto.
9805         (v4hi_ftype_v4hi_di): Remove node.
9806         (v2si_ftype_v2si_di): Ditto.
9807         (ix86_init_mmx_sse_builtins): Handle V1DImode.
9808         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
9809         Redefine builtins using def_builtin_const with *_ftype_*_int node.
9810         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
9811         Add new builtins using def_builtin_const.
9812         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
9813         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
9814         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
9815         * config/i386/mmintrin.h (__v1di): New typedef.
9816         (_mm_add_si64): Cast arguments to __v1di type.
9817         (_mm_sub_si64): Ditto.
9818         (_mm_sll_pi16): Cast __count to __v4hi type.
9819         (_mm_sll_pi32): Cast __count to __v2si type.
9820         (_mm_sll_si64): Cast arguments to __v1di type.
9821         (_mm_srl_pi16): Cast __count to __v4hi type.
9822         (_mm_srl_pi32): Cast __count to __v2si type.
9823         (_mm_srl_si64): Cast arguments to __v1di type.
9824         (_mm_sra_pi16): Cast __count to __v4hi type.
9825         (_mm_sra_pi32): Cast __count to __v2si type.
9826         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
9827         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
9828         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
9829         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
9830         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
9831         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
9832         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
9833         (_mm_srai_pi32): Use __builtin_ia32_psradi.
9834         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
9835         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
9836         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
9837         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
9839 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
9841         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
9843 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
9845         PR target/35373
9846         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
9847         reg+const addressing for Altivec modes.  Don't generate reg+reg
9848         addressing for TFmode or TDmode quantities.
9850 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
9852         * c-common.c (vector_types_convertible_p): Call langhook
9853         instead of comptypes.
9855 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9857         PR tree-opt/35402
9858         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
9859         integral and scalar float variables which have a
9860         NULL DECL_INITIAL.
9862 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
9864         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
9865         dwarf_register_span hook when emitting unwind information for
9866         register-to-memory saves.
9867         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
9868         (rs6000_frame_related): Remove call to spe_synthesize_frame.
9870 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
9872         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
9873         for the same VAR_DECL.
9875 2008-03-06  Tom Tromey  <tromey@redhat.com>
9877         * treelang: Delete.
9878         * doc/standards.texi (Standards): Don't mention treelang.
9879         * doc/invoke.texi (Overall Options): Don't mention treelang.
9880         * doc/install.texi (Prerequisites): Don't mention bison or
9881         treelang.
9882         (Configuration): Don't mention treelang.
9883         (Building): Likewise.
9884         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
9886 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
9888         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
9889         word-extractions out of a multi-word object.
9891 2008-03-06  Richard Guenther  <rguenther@suse.de>
9893         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
9894         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
9895         result type and precision.
9896         * expr.c (get_inner_reference): Set unsignedp based on the result
9897         type of BIT_FIELD_REF.
9898         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
9899         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
9900         (try_instantiate_multiple_fields): Likewise.  Use the correct type
9901         for BIT_FIELD_REF.
9902         (sra_build_assignment): Likewise.
9903         (sra_build_elt_assignment): Likewise.
9904         (sra_explode_bitfield_assignment): Likewise.
9905         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
9906         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
9907         set BIT_FIELD_REF_UNSIGNED.
9908         (vectorizable_load): Likewise.
9910 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
9912         * cse.c (cse_extended_basic_block): Invalidate artificial defs
9913         at bb start.
9915 2008-03-06  Richard Guenther  <rguenther@suse.de>
9917         * alias.c (struct alias_set_entry): Move has_zero_child field
9918         to pack with alias_set.
9920 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
9922         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
9923         32bit host.
9925 2008-03-05  Ian Lance Taylor  <iant@google.com>
9927         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
9929 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
9931         * fwprop.c (update_df): Support width and offset parameters of
9932         df_ref_create.
9933         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
9934         global_conflicts): Change DF_REF_EXTRACT to either
9935         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9936         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9937         * df-scan.c (df_ref_record, df_defs_record,
9938         df_ref_create_structure, df_def_record_1, df_uses_record,
9939         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
9940         df_bb_refs_collect, df_entry_block_defs_collect,
9941         df_exit_block_uses_collect): Support new width and offset fields.
9942         (ref_extract_pool): New storage pool.
9943         (df_free_ref): New function.
9944         (df_reg_chain_unlink, df_free_collection_rec,
9945         df_sort_and_compress_refs): Call df_free_ref.
9946         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
9947         of df_ref_extract.
9948         (df_ref_create_structure): Allocate df_ref_extract if offset and
9949         width fields are used.
9950         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
9951         (df_uses_record): Get offset and width from ZERO_EXTRACT 
9952         and SIGN_EXTRACT.
9953         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
9954         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9955         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9956         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
9957         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
9958         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
9959         (df_ref_extract): New structure.
9960         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
9961         (df_ref_create): Add width and offset parameters.
9962         
9963 2008-03-05  Richard Guenther  <rguenther@suse.de>
9965         * tree-ssa-structalias.c (get_constraint_for_component_ref):
9966         Use ranges_overlap_p.
9967         (offset_overlaps_with_access): Rename
9968         to ranges_overlap_p and move ...
9969         * tree-flow-inline.h (ranges_overlap_p): ... here.
9971         * tree.h (get_inner_reference, handled_component_p): Update
9972         comments.
9974         * tree.h (record_component_aliases, get_alias_set,
9975         alias_sets_conflict_p, alias_sets_must_conflict_p,
9976         objects_must_conflict_p): Move declarations ...
9977         * alias.h (record_component_aliases, get_alias_set,
9978         alias_sets_conflict_p, alias_sets_must_conflict_p,
9979         objects_must_conflict_p): ... here.
9980         Include coretypes.h.
9981         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
9983 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
9985         * cfg.c: Include tree-flow.h.
9986         (remove_edge_raw): Call redirect_edge_var_map_clear.
9987         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
9988         * tree-flow-inline.h (redirect_edge_var_map_def): New.
9989         (redirect_edge_var_map_result): New.
9990         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
9991         PENDING_STMT use with redirect_edge_var_map_*.
9992         * tree-ssa.c (edge_var_maps): New definition.
9993         (redirect_edge_var_map_add): New.
9994         (redirect_edge_var_map_clear): New.
9995         (redirect_edge_var_map_dup): New.
9996         (redirect_edge_var_map_vector): New.
9997         (redirect_edge_var_map_destroy): New.
9998         (ssa_redirect_edge): Replace PENDING_STMT use with
9999         redirect_edge_var_map_*.
10000         (flush_pending_stmts): Same.
10001         (delete_tree_ssa): Destroy edge var map.
10002         * tree-flow.h (struct _edge_var_map): New.
10003         Define edge_var_map vector type.
10004         Declare redirect_edge_var_map_* prototypes.
10005         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
10006         * tree-cfg.c (reinstall_phi_args): Replace
10007         PENDING_STMT use with redirect_edge_var_map_*.
10009 2008-03-05  Richard Guenther  <rguenther@suse.de>
10011         PR tree-optimization/35472
10012         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
10013         whose single use_stmt has a overlapping set of loaded and
10014         stored symbols as that use_stmt might be a noop assignment then.
10016 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
10018         * gthr-rtems.h: Implement __gthread_mutex_destroy.
10020 2008-03-05  Richard Guenther  <rguenther@suse.de>
10022         PR c++/35336
10023         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
10024         should be constants.
10025         * tree-cfg.c (verify_expr): Verify it.
10026         * fold-const.c (fold_truthop): Remove code generating
10027         BIT_FIELD_REFs of structure bases.
10028         (fold_binary): Likewise.
10029         (fold_ternary): Position and size of BIT_FIELD_REFs are
10030         always host integers.
10031         (make_bit_field_ref): Remove.
10032         (optimize_bit_field_compare): Remove.
10033         (all_ones_mask_p): Remove.
10035 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
10037         PR gcc/33009
10038         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
10039         (split_block_and_df_analyze): New. Split basic block and rebuild
10040         dataflow.
10041         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
10042         SPLIT_BLOCK.
10043         (split_pattern_seq): Likewise.
10044         (erase_matching_seqs): Likewise.
10045         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
10047 2008-03-04  Geoff Keating  <geoffk@apple.com>
10049         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
10050         declaration and code.
10051         (tree_invalid_nonnegative_warnv_p): Likewise.
10053 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
10055         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
10056         examples.  Truncate option-names then causing overfull hbox.
10058 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10060         PR target/35222
10061         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
10062         on hpux10.
10063         * configure: Rebuilt.
10065 2008-03-04  Rafael Espindola  <espindola@google.com>
10067         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
10068         (tree_unary_nonnegative_warnv_p): New.
10069         (tree_binary_nonnegative_warnv_p): New.
10070         (tree_single_nonnegative_warnv_p): New.
10071         (tree_invalid_nonnegative_warnv_p): New.
10072         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
10074 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10076         PR 28322
10077         * opts.c (handle_option): Postpone 'unknown option' errors only for
10078         warning options.
10080 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
10082         PR target/35453
10083         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
10084         (_SIDD_XXX): This.
10086 2008-03-04  Rafael Espindola  <espindola@google.com>
10088         * fold-const.c (tree_unary_nonzero_warnv_p): New.
10089         (tree_binary_nonzero_warnv_p): New.
10090         (tree_single_nonzero_warnv_p): New.
10091         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
10093 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
10095         PR middle-end/35456
10096         * fold-const.c (fold_cond_expr_with_comparison): Prevent
10097         transformations for modes that have signed zeros.
10098         * ifcvt.c (noce_try_abs): Ditto.
10100 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
10102         * config/i386/i386.c (override_options): Force
10103         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
10105 2008-03-04  Jan Hubicka  <jh@suse.cz>
10107         PR c++/35262
10108         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
10109         in last commit.
10111 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
10113         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
10114         label to probe the stack.
10116 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
10118         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
10119         (__gthr_win32_mutex_destroy): Declare.
10120         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
10121         __gthr_win32_mutex_destroy.
10122         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
10124 2008-03-03  Jan Hubicka  <jh@suse.cz>
10126         PR c++/35262
10127         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
10128         aggressive on inlining cold calls.
10130 2008-03-03  Richard Guenther  <rguenther@suse.de>
10132         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
10133         struct copies into the expression table.
10134         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
10135         (try_to_simplify): Likewise.
10136         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
10137         integral and pointer arguments which do not change the
10138         precision to NOP_EXPRs.
10139         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
10140         VIEW_CONVERT_EXPR case.
10142 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
10144         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
10145         defined in a loop at depth 0 is invariant.
10146         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
10147         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
10148         be called at loop depth 0.
10150 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
10152         PR driver/35420
10153         * gcc.c (process_command): Update copyright notice dates.
10154         * gcov.c (print_version): Likewise.
10155         * gcov-dump.c (print_version): Likewise.
10156         * mips-tfile.c (main): Likewise.
10157         * mips-tdump.c (main): Likewise.
10159 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10161         PR 24924
10162         * c-common.c (flag_permissive): Delete.
10163         (constant_expression_warnings): Check flags first.
10164         (constant_expression_error): New.
10165         * c-common.h (flag_permissive): Delete.
10166         (constant_expression_error): Declare.
10167         * flags.h (flag_permissive): Declare. Update description.
10168         * diagnostic.c (pedwarn): Update.
10169         (permerror): New.
10170         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
10171         (permissive_error_kind): New.
10172         * toplev.c (flag_permissive): Define. Update description.
10173         * toplev.h (permissive_error_kind): Declare.
10174         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
10175         (pedwarn_c90): Use pedantic_warning_kind.
10176         * c-opts.c (c_common_post_options): flag_permissive does not affect
10177         flag_pedantic_errors.
10179 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
10181         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
10182         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
10183         __absvsi2, __absvDI2): Use unsigned arithmetic.
10185 2008-03-02  Andi Kleen  <ak@suse.de>
10186             Richard Guenther  <rguenther@suse.de>
10188         * struct-equiv.c: Remove file.
10189         * cfg_cleanup.c (condjump_equiv_p): Remove.
10190         * Makefile.in (OBJS-common): Remove struct-equiv.o.
10191         (struct-equiv.o): Remove rule.
10192         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
10193         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
10194         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
10196 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10198         * ifcvt.c (noce_process_if_block): Try to handle only the then
10199         block if the else block exists but isn't suitable.
10201 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
10203         PR gcc/35063
10204         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
10205         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
10206         regression from previous patch.
10208 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
10210         PR gcc/35063
10211         * gthr.h: Add __gthread_mutex_destroy as a function that must be
10212         implemented.
10213         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
10214         * gthr-single.h (__gthread_mutex_destroy): Likewise.
10215         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
10216         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
10217         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
10218         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
10219         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
10220         (__gthread_mutex_destroy_function): Rename to
10221         __gthread_mutex_destroy.
10222         * gthr-dce.h (__gthread_mutex_destroy): Call
10223         pthread_mutex_destroy.
10224         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
10225         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
10226         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
10228 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10230         * df-scan.c (df_ref_chain_change_bb): Simplify.
10231         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
10232         set_block_for_insn if there's any change.
10233         * df.h ((df_insn_change_bb): Fix prototype.
10234         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
10235         df_insn_change_bb, don't call set_block_for_insn.
10236         * emit-rtl.c (reorder_insns): Likewise.
10237         * haifa-sched.c (move_insn): Likewise.
10239 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10241         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
10243 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10245         * tree-flow-inline.h (next_readonly_imm_use): Return
10246         NULL_USE_OPERAND_P after the end.
10248 2008-03-01  Richard Guenther  <rguenther@suse.de>
10250         PR tree-optimization/35411
10251         * tree-sra.c (sra_build_assignment): Split conversion to
10252         final type to a separate statement if we are not assigning
10253         to a register.
10255 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10257         * fold-const.c (fold_convertible_p): Correct the logic to follow
10258         that in fold_convert().
10260 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
10262         PR c++/35315
10263         * tree-inline.c (build_duplicate_type): When we make a
10264         duplicate type, make it unique in the canonical types system.
10266 2008-02-29  Tom Tromey  <tromey@redhat.com>
10268         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
10269         input_file_stack_history, input_file_stack_restored): Remove.
10270         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
10271         * input.h (struct file_stack): Remove.
10272         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
10273         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
10274         Likewise.
10275         * diagnostic.h (struct diagnostic_context) <last_module>: Change
10276         type.
10277         (diagnostic_last_module_changed): Add 'map' argument.
10278         (diagnostic_set_last_function): Likewise.
10279         * diagnostic.c (undiagnostic_report_current_module): Iterate using
10280         line map, not input_file_stack.
10281         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
10283 2008-02-29  Paul Brook  <paul@codesourcery.com>
10285         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
10287 2008-02-29  Paul Brook  <paul@codesourcery.com>
10289         * config/arm/ieee754-df.S (muldf3): Use RET macros.
10291 2008-02-29  Richard Guenther  <rguenther@suse.de>
10293         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
10294         vn_lookup_or_add.
10295         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
10296         value for comparing for a store match.
10297         (simplify_unary_expression): Do nothing for SSA_NAMEs.
10298         (try_to_simplify): Do not do a full-blown reference lookup.
10300 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
10302         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
10303         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10305         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
10307 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
10309         * tree-loop-linear.c (try_interchange_loops): Compare memory access
10310         strides against cache sizes.
10312 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
10314         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
10315         constant to fpul.
10317 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
10319         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
10320         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
10321         is smaller than the original promoted value.
10322         (simplify_subreg): If OP is a SUBREG, try to preserve its
10323         SUBREG_PROMOTED_VAR_P information.
10325 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
10327         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
10328         (VN_INFO_GET): Allocate new objects on the obstack.
10329         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
10330         for rpo_numbers_temp, for consistency.
10331         (free_scc_vn): Free the obstack.
10333 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
10335         * doc/invoke.texi: Document -ftree-loop-distribution.
10336         * tree-loop-distribution.c: New.
10337         * tree-pass.h (pass_loop_distribution): New.
10338         * graphds.h (struct graph): Add htab_t indices.
10339         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
10340         * tree-vectorizer.c (rename_variables_in_loop): Extern.
10341         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
10342         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
10343         * tree-data-ref.c (debug_data_dependence_relations): New.
10344         (dump_data_dependence_relation): Also print data references.
10345         (free_data_ref): Extern.
10346         (same_access_functions): Moved...
10347         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
10348         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
10349         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
10350         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
10351         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
10352         (stmts_from_loop): Skip LABEL_EXPR.
10353         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
10354         New.
10355         (build_rdg): Initialize rdg->indices htab.
10356         (free_rdg, stores_from_loop, ref_base_address,
10357         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
10358         have_similar_memory_accesses_1, ref_base_address_1,
10359         remove_similar_memory_refs): New.
10360         * tree-data-ref.h: Depend on tree-chrec.h.
10361         (debug_data_dependence_relations, free_data_ref): Declared.
10362         (same_access_functions): ... here.
10363         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
10364         New.
10365         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
10366         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
10367         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
10368         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
10369         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
10370         rdg_vertex_for_stmt): Declared.
10371         (struct rdg_edge): Add level.
10372         (RDGE_LEVEL): New.
10373         (free_rdg, stores_from_loop, remove_similar_memory_refs,
10374         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
10375         Declared.
10376         (rdg_has_similar_memory_accesses): New.
10377         * tree-vect-analyze.c: Remove unused static decls.
10378         * lambda.h (dependence_level): New.
10379         * common.opt (ftree-loop-distribution): New.
10380         * tree-flow.h (mark_virtual_ops_in_bb, 
10381         slpeel_tree_duplicate_loop_to_edge_cfg,
10382         rename_variables_in_loop): Declared.
10383         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
10384         (OBJS-common): Add tree-loop-distribution.o.
10385         (tree-loop-distribution.o): New rule.
10386         * tree-cfg.c (mark_virtual_ops_in_bb): New.
10387         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
10388         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
10390 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
10392         PR target/33963
10393         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
10394         other than structures and unions.
10396 2008-02-28  Richard Guenther  <rguenther@suse.de>
10398         Revert:
10399         2008-02-26  Richard Guenther  <rguenther@suse.de>
10401         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
10402         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
10403         (lookup_decl_from_uid): Declare.
10404         (remove_decl_from_map): Likewise.
10405         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
10406         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
10407         (decl_for_uid_map): New global hashtable mapping DECL_UID
10408         to the decl tree.
10409         (init_ttree): Allocate it.
10410         (insert_decl_to_uid_decl_map): New helper function.
10411         (make_node_stat): Insert new decls into the map.
10412         (copy_node_stat): Likewise.
10413         (lookup_decl_from_uid): New function.
10414         (remove_decl_from_map): Likewise.
10415         (print_decl_for_uid_map_statistics): New helper.
10416         (dump_tree_statistics): Call it.
10418         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10419         (referenced_var_iterator): Adjust.
10420         (FOR_EACH_REFERENCED_VAR): Adjust.
10421         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10422         (num_referenced_vars): Adjust.
10423         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10424         (first_referenced_var): Remove.
10425         (end_referenced_vars_p): Likewise.
10426         (next_referenced_var): Likewise.
10427         (referenced_var_iterator_set): New helper function.
10428         * tree-dfa.c (referenced_var_lookup): Adjust.
10429         (referenced_var_check_and_insert): Likewise.
10430         (remove_referenced_var): Likewise.
10431         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10432         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10433         (verify_call_clobbering): Likewise.
10434         (verify_memory_partitions): Likewise.
10435         (init_tree_ssa): Allocate bitmap instead of hashtable for
10436         referenced_vars.
10437         (delete_tree_ssa): Adjust.
10438         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10439         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10440         (compute_tag_properties): Likewise.
10441         (set_initial_properties): Likewise.
10442         (find_partition_for): Likewise.
10443         (update_reference_counts): Likewise.
10444         (dump_may_aliases_for): Likewise.
10445         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10446         (add_call_clobber_ops): Likewise.
10447         (add_call_read_ops): Likewise.
10448         (get_asm_expr_operands): Likewise.
10449         * tree-into-ssa.c (dump_decl_set): Likewise.
10450         (update_ssa): Likewise.
10451         * tree-sra.c (scan_function): Likewise.
10452         (decide_instantiations): Likewise.
10453         (scalarize_parms): Likewise.
10454         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10455         (dsa_named_for): Likewise.
10456         * tree-ssa-structalias.c (update_alias_info): Likewise.
10457         (merge_smts_into): Likewise.
10459 2008-02-27  David Daney  <ddaney@avtrex.com>
10461         PR target/34409
10462         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
10463         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
10464         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
10465         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
10466         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
10468 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
10470         PR target/25477
10471         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
10472         (BUILT_IN_NEXTTOWARD): Remove.
10473         (BUILT_IN_NEXTTOWARDF): Ditto.
10474         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
10475         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
10477 2008-02-27  Tom Tromey  <tromey@redhat.com>
10479         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
10480         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
10482 2008-02-27  Jan Beulich  <jbeulich@novell.com>
10484         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
10485         update the respective field on newdecl.
10487 2008-02-27  Revital Eres  <eres@il.ibm.com>
10489         PR rtl-optimization/34999
10490         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
10491         crossing edges that ends with a call insn.
10492         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
10493         call insn and clear the EDGE_CROSSING flag of the crossing edge
10494         when fixing fallthru edges.
10496 2008-02-27  Richard Guenther  <rguenther@suse.de>
10498         PR middle-end/35390
10499         * fold-const.c (fold_unary): Return the correct argument,
10500         converted to the result type.
10502 2008-02-27  Richard Guenther  <rguenther@suse.de>
10504         PR middle-end/34971
10505         * expr.c (expand_expr_real_1): Assert on rotates that operate
10506         on partial modes.
10507         * fold-const.c (fold_binary): Use the types precision, not the
10508         bitsize of the mode if folding rotate expressions.  Build rotates
10509         only for full modes.
10511 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
10513         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
10514         and CPP_PRAGMA_EOL.
10515         * c-pragma.c (pragma_ns_name): New typedef.
10516         (registered_pp_pragmas): New variable.
10517         (c_pp_lookup_pragma): New function.
10518         (c_register_pragma_1): If flag_preprocess_only, do nothing
10519         for non-expanded pragmas, for expanded ones push pragma's
10520         namespace and name into registered_pp_pragmas vector.
10521         (c_invoke_pragma_handler): Register OpenMP pragmas even when
10522         flag_preprocess_only, don't register GCC pch_preprocess
10523         pragma if flag_preprocess_only.
10524         * c-opts.c (c_common_init): Call init_pragma even if
10525         flag_preprocess_only.
10526         * c-pragma.c (c_pp_lookup_pragma): New prototype.
10527         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
10528         cpp_register_pragma if flag_preprocess_only.
10530 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10532         PR c/28800
10533         * c-parser.c (c_parser_translation_unit): Warn for empty
10534         translation unit, not empty source file.
10536 2008-02-26  Paul Brook  <paul@codesourcery.com>
10538         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
10539         operand for Thumb-2.
10540         * config/arm/arm.h (reg_class): Add CORE_REGS.
10541         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
10542         (BASE_REG_CLASS): Use CORE_REGS.
10543         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
10544         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
10545         (REGNO_OK_FOR_INDEX_P): Exclude SP.
10546         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
10547         ARM_REGNO_OK_FOR_INDEX_P.
10548         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
10549         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
10550         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
10551         (ldm/stm peepholes): Ditto.
10552         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
10553         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
10554         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
10555         * config/arm/constraints.md: Enable "k" constraint on ARM.
10557 2008-02-27  Ben Elliston  <bje@au.ibm.com>
10559         * config/rs6000/rs6000.c: Annotate cache line size field in all
10560         instances of struct processor_costs.
10562 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
10564         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
10565         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
10566         jump_bypass): New counters.
10567         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
10568         * dce.c (gate_ud_dce): Same.
10569         (gate_fast_dce): Same.
10570         * dse.c (gate_dse1): New function.
10571         (gate_dse2): New function.
10572         (gate_dse): Merge results of new gate functions.
10573         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
10574         (gate_handle_jump_bypass): Add dbg_cnt.
10575         (gate_handle_gcse): Add dbg_cnt.
10576         * ifcvt.c (gate_handle_if_conversion): Same.
10577         (gate_handle_if_after_combine): Same.
10578         (gate_handle_if_after_reload): Same.
10579         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
10581 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
10583         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
10584         line sizes.
10585         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
10587 2008-02-26  Jason Merrill  <jason@redhat.com>
10589         PR c++/35315
10590         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
10591         alone if it's the naming decl for the type's main variant.
10593 2008-02-26  Tom Tromey  <tromey@redhat.com>
10595         * system.h (USE_MAPPED_LOCATION): Poison.
10596         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
10597         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
10598         (make_goto_expr_edges): Likewise.
10599         (remove_bb): Likewise.
10600         (execute_warn_function_return): Likewise.
10601         * basic-block.h (struct edge_def) <goto_locus>: Change type to
10602         location_t.
10603         * c-common.c (fname_decl): Remove old location code.
10604         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
10605         location code.
10606         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
10607         variant.
10608         (ASM_INPUT_SOURCE_LOCATION): Likewise.
10609         (gen_rtx_ASM_INPUT): Likewise.
10610         (gen_rtx_ASM_INPUT_loc): Likewise.
10611         (get_rtx_asm_OPERANDS): Remove.
10612         * cfglayout.c (insn_locators_alloc): Remove old location code.
10613         (set_curr_insn_source_location): Likewise.
10614         (curr_insn_locator): Likewise.
10615         * print-tree.c (print_node): Remove old location code.
10616         * tree-mudflap.c (mf_varname_tree): Remove old location code.
10617         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
10618         * cfgexpand.c (expand_gimple_cond_expr): Don't use
10619         location_from_locus.
10620         (construct_exit_block): Remove old location code.
10621         * emit-rtl.c (force_next_line_note): Remove old location code.
10622         * profile.c (branch_prob): Remove old location code.
10623         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
10624         LOC_LINE): Remove old-location variants.
10625         * langhooks.c (lhd_print_error_function): Remove old location
10626         code.
10627         * configure, config.in: Rebuilt.
10628         * configure.ac (--enable-mapped-location): Remove.
10629         * c-decl.c (c_init_decl_processing): Remove old location code.
10630         (finish_function): Likewise.
10631         * recog.c (decode_asm_operands): Remove old location code.
10632         * c-pch.c (c_common_read_pch): Remove old location code.
10633         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
10634         variants.
10635         * gimple-low.c (lower_function_body): Remove old location code.
10636         * toplev.c (unknown_location): Remove.
10637         (push_srcloc): Remove old-location variant.
10638         (process_options): Remove old location code.
10639         (lang_dependent_init): Likewise.
10640         * input.h (UNKNOWN_LOCATION): Move definition.
10641         (location_t): Undeprecate.
10642         (source_locus): Remove.
10643         (location_from_locus): Remove.
10644         (struct location_s): Remove.
10645         Remove all old-location code.
10646         (input_line, input_filename): Remove.
10647         * final.c (final_scan_insn): Remove old location code.
10648         * diagnostic.c (diagnostic_build_prefix): Remove
10649         USE_MAPPED_LOCATION test.
10650         * tree.h (gimple_stmt) <locus>: Now a location_t.
10651         (tree_exp) <locus>: Likewise.
10652         (DECL_IS_BUILTIN): Remove old-location variant.
10653         (annotate_with_file_line, annotate_with_locus): Likewise.
10654         (expr_locus, set_expr_locus): Update.
10655         * tree.c (build1_stat): Remove old location code.
10656         (last_annotated_node): Remove.
10657         (annotate_with_file_line): Remove old-location variant.
10658         (annotate_with_locus): Likewise.
10659         (expr_location): Remove old location code.
10660         (set_expr_location): Likewise.
10661         (expr_has_location): Likewise.
10662         (expr_locus): Likewise.
10663         (set_expr_locus): Likewise.
10664         (expr_filename): Don't use location_from_locus.
10665         (expr_lineno): Likewise.
10666         * rtl-error.c (location_for_asm): Remove old location code.
10667         * c-lex.c (cb_line_change): Remove old location code.
10668         (fe_file_change): Likewise.
10669         (cb_def_pragma): Likewise.
10670         (c_lex_with_flags): Likewise.
10671         * gengtype.c (do_typedef): Don't special-case location types.
10672         (define_location_structures): Remove.
10673         (main): Don't call define_location_structures.
10674         * tree-pretty-print.c (dump_implicit_edges): Remove old location
10675         code.
10677 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10679         PR 26264
10680         * builtins.def (BUILT_IN_STDARG_START): Remove.
10681         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
10682         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
10683         * tree-inline.c (inline_forbidden_p_1): Likewise.
10684         
10685 2008-02-26  Richard Guenther  <rguenther@suse.de>
10687         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
10688         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
10689         (lookup_decl_from_uid): Declare.
10690         (remove_decl_from_map): Likewise.
10691         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
10692         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
10693         (decl_for_uid_map): New global hashtable mapping DECL_UID
10694         to the decl tree.
10695         (init_ttree): Allocate it.
10696         (insert_decl_to_uid_decl_map): New helper function.
10697         (make_node_stat): Insert new decls into the map.
10698         (copy_node_stat): Likewise.
10699         (lookup_decl_from_uid): New function.
10700         (remove_decl_from_map): Likewise.
10701         (print_decl_for_uid_map_statistics): New helper.
10702         (dump_tree_statistics): Call it.
10704         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10705         (referenced_var_iterator): Adjust.
10706         (FOR_EACH_REFERENCED_VAR): Adjust.
10707         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10708         (num_referenced_vars): Adjust.
10709         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10710         (first_referenced_var): Remove.
10711         (end_referenced_vars_p): Likewise.
10712         (next_referenced_var): Likewise.
10713         (referenced_var_iterator_set): New helper function.
10714         * tree-dfa.c (referenced_var_lookup): Adjust.
10715         (referenced_var_check_and_insert): Likewise.
10716         (remove_referenced_var): Likewise.
10717         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10718         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10719         (verify_call_clobbering): Likewise.
10720         (verify_memory_partitions): Likewise.
10721         (init_tree_ssa): Allocate bitmap instead of hashtable for
10722         referenced_vars.
10723         (delete_tree_ssa): Adjust.
10724         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10725         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10726         (compute_tag_properties): Likewise.
10727         (set_initial_properties): Likewise.
10728         (find_partition_for): Likewise.
10729         (update_reference_counts): Likewise.
10730         (dump_may_aliases_for): Likewise.
10731         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10732         (add_call_clobber_ops): Likewise.
10733         (add_call_read_ops): Likewise.
10734         (get_asm_expr_operands): Likewise.
10735         * tree-into-ssa.c (dump_decl_set): Likewise.
10736         (update_ssa): Likewise.
10737         * tree-sra.c (scan_function): Likewise.
10738         (decide_instantiations): Likewise.
10739         (scalarize_parms): Likewise.
10740         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10741         (dsa_named_for): Likewise.
10742         * tree-ssa-structalias.c (update_alias_info): Likewise.
10743         (merge_smts_into): Likewise.
10745 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10747         PR 34351
10748         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
10749         * c-opts.c (c_common_handle_option): Wall enables
10750         Wvolatile-register-var.
10751         * common.opt: Move Wvolatile-register-var to...
10752         * c.opt: ...here.
10753         
10754 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10756         * common.opt (Wlarger-than=): New.
10757         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
10758         -Wlarger-than=.
10759         * opts.c (common_handle_option): Handle -Wlarger-than=.
10760         * optc-gen.awk: Likewise.
10761         * opth-gen.awk: Likewise.
10762         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
10763         * tree-optimize.c (tree_rest_of_compilation): Likewise.
10764         
10765 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10767         * c-common.c (match_case_to_enum_1): Add appropriate
10768         OPT_W* parameter to warning.
10769         (c_do_switch_warnings): Likewise.
10770         * c-typeck.c (warning_init): Add one more parameter following
10771         'warning' function.
10772         (push_init_level): Update call to warning_init.
10773         (pop_init_level): Likewise.
10774         (add_pending_init): Likewise.
10775         (output_init_element: Likewise.
10777 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10779         PR 28322
10780         * toplev.c (toplev_main): If there are warnings or error, print
10781         errors for ignored options.
10782         * opts.c (ignored_options): New static variable.
10783         (postpone_unknown_option_error): New.
10784         (print_ignored_options): New.
10785         (handle_option): Postpone errors for unknown -Wno-* options.
10786         * opts.h (print_ignored_options): Declare.
10787         
10788 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
10790         * config/mips/mips.md (loadgp_blockage, blockage): Change type
10791         to "ghost".
10793 2008-02-25  Richard Guenther  <rguenther@suse.de>
10795         Revert:
10796         2008-02-25  Richard Guenther  <rguenther@suse.de>
10798         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
10799         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
10800         (lookup_decl_from_uid): Declare.
10801         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
10802         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
10803         (decl_for_uid_map): New global hashtable mapping DECL_UID
10804         to the decl tree.
10805         (init_ttree): Allocate it.
10806         (insert_decl_to_uid_decl_map): New helper function.
10807         (make_node_stat): Insert new decls into the map.
10808         (copy_node_stat): Likewise.
10809         (lookup_decl_from_uid): New function.
10810         (print_decl_for_uid_map_statistics): New helper.
10811         (dump_tree_statistics): Call it.
10813         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10814         (referenced_var_iterator): Adjust.
10815         (FOR_EACH_REFERENCED_VAR): Adjust.
10816         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10817         (num_referenced_vars): Adjust.
10818         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10819         (first_referenced_var): Remove.
10820         (end_referenced_vars_p): Likewise.
10821         (next_referenced_var): Likewise.
10822         (referenced_var_iterator_set): New helper function.
10823         * tree-dfa.c (referenced_var_lookup): Adjust.
10824         (referenced_var_check_and_insert): Likewise.
10825         (remove_referenced_var): Likewise.
10826         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10827         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10828         (verify_call_clobbering): Likewise.
10829         (verify_memory_partitions): Likewise.
10830         (init_tree_ssa): Allocate bitmap instead of hashtable for
10831         referenced_vars.
10832         (delete_tree_ssa): Adjust.
10833         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10834         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10835         (compute_tag_properties): Likewise.
10836         (set_initial_properties): Likewise.
10837         (find_partition_for): Likewise.
10838         (update_reference_counts): Likewise.
10839         (dump_may_aliases_for): Likewise.
10840         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10841         (add_call_clobber_ops): Likewise.
10842         (add_call_read_ops): Likewise.
10843         (get_asm_expr_operands): Likewise.
10844         * tree-into-ssa.c (dump_decl_set): Likewise.
10845         (update_ssa): Likewise.
10846         * tree-sra.c (scan_function): Likewise.
10847         (decide_instantiations): Likewise.
10848         (scalarize_parms): Likewise.
10849         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10850         (dsa_named_for): Likewise.
10851         * tree-ssa-structalias.c (update_alias_info): Likewise.
10852         (merge_smts_into): Likewise.
10854 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
10856         PR fortran/29549
10857         * doc/invoke.texi (-fcx-limited-range): Document new option.
10858         * toplev.c (process_options): Handle -fcx-fortran-rules.
10859         * common.opt: Add documentation for -fcx-fortran-rules.
10861 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
10863         PR c/35162
10864         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
10865         actual behaviour and C99.
10866         
10867 2008-02-26  Ben Elliston  <bje@au.ibm.com>
10869         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
10870         (ASM_CPU_POWER6_SPEC): Likewise.
10871         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
10872         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
10873         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
10875 2008-02-25  Richard Guenther  <rguenther@suse.de>
10877         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
10878         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
10879         (lookup_decl_from_uid): Declare.
10880         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
10881         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
10882         (decl_for_uid_map): New global hashtable mapping DECL_UID
10883         to the decl tree.
10884         (init_ttree): Allocate it.
10885         (insert_decl_to_uid_decl_map): New helper function.
10886         (make_node_stat): Insert new decls into the map.
10887         (copy_node_stat): Likewise.
10888         (lookup_decl_from_uid): New function.
10889         (print_decl_for_uid_map_statistics): New helper.
10890         (dump_tree_statistics): Call it.
10892         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
10893         (referenced_var_iterator): Adjust.
10894         (FOR_EACH_REFERENCED_VAR): Adjust.
10895         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
10896         (num_referenced_vars): Adjust.
10897         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
10898         (first_referenced_var): Remove.
10899         (end_referenced_vars_p): Likewise.
10900         (next_referenced_var): Likewise.
10901         (referenced_var_iterator_set): New helper function.
10902         * tree-dfa.c (referenced_var_lookup): Adjust.
10903         (referenced_var_check_and_insert): Likewise.
10904         (remove_referenced_var): Likewise.
10905         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
10906         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10907         (verify_call_clobbering): Likewise.
10908         (verify_memory_partitions): Likewise.
10909         (init_tree_ssa): Allocate bitmap instead of hashtable for
10910         referenced_vars.
10911         (delete_tree_ssa): Adjust.
10912         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
10913         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
10914         (compute_tag_properties): Likewise.
10915         (set_initial_properties): Likewise.
10916         (find_partition_for): Likewise.
10917         (update_reference_counts): Likewise.
10918         (dump_may_aliases_for): Likewise.
10919         * tree-ssa-operands.c (add_virtual_operand): Likewise.
10920         (add_call_clobber_ops): Likewise.
10921         (add_call_read_ops): Likewise.
10922         (get_asm_expr_operands): Likewise.
10923         * tree-into-ssa.c (dump_decl_set): Likewise.
10924         (update_ssa): Likewise.
10925         * tree-sra.c (scan_function): Likewise.
10926         (decide_instantiations): Likewise.
10927         (scalarize_parms): Likewise.
10928         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
10929         (dsa_named_for): Likewise.
10930         * tree-ssa-structalias.c (update_alias_info): Likewise.
10931         (merge_smts_into): Likewise.
10933 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
10935         PR target/35258
10936         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
10937         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
10938         * alias.h (nonoverlapping_memrefs_p): Likewise.
10940 2008-02-25  Jan Beulich  <jbeulich@novell.com>
10942         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
10943         * config/i386/netware-libgcc.exp: Add __bswap?i2,
10944         __emultls_get_address, __emultls_register_common,
10945         __floatundi?f, and _Unwind_GetIPInfo.
10946         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
10947         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
10948         (gen_regparm_prefix): Likewise.
10949         (i386_nlm_encode_section_info): Sync with
10950         config/i386/winnt.c:i386_pe_encode_section_info().
10951         (i386_nlm_maybe_mangle_decl_assembler_name): New.
10952         i386_nlm_mangle_decl_assembler_name): New.
10953         (netware_override_options): New.
10954         * config/i386/netware.h (netware_override_options): Declare.
10955         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
10956         (i386_nlm_mangle_decl_assembler_name): Declare.
10957         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
10959 2008-02-25  Ben Elliston  <bje@au.ibm.com>
10961         PR other/32948
10962         * c-decl.c (grokdeclarator): Remove unused local variables
10963         `typedef_type' and `type_as_written'.
10964         * bb-reorder.c
10965         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
10966         unused local variable `has_hot_blocks'.
10967         (fix_crossing_conditional_branches): Remove unused local variable
10968         `prev_bb'.
10969         
10970 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
10972         PR middle-end/19984
10973         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
10974         using DEF_C99_BUILTIN.
10975         (BUILT_IN_NANF): Ditto.
10976         (BUILT_IN_NANL): Ditto.
10978 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
10979             Revital Eres  <eres@il.ibm.com>
10981         * modulo-sched.c (calculate_must_precede_follow): Address TODO
10982         regarding the order of two dependent insns in the same row.
10984 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
10986         * stor-layout.c (layout_decl): Do not bump the alignment of a
10987         bit-field to more than byte alignment if it is packed.
10989 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
10991         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
10992         e300c2 and e300c3.
10994 2008-02-24  Diego Novillo  <dnovillo@google.com>
10996         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
10998         PR 33738
10999         * tree-vrp.c (vrp_evaluate_conditional): With
11000         -Wtype-limits, emit a warning when comparing against a
11001         constant outside the natural range of OP0's type.
11002         * c.opt (Wtype-limits): Move ...
11003         * common.opt (Wtype-limits): ... here.
11005 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
11007         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
11008         * config/rs6000/e300c2c3.md: New file.
11009         * config/rs6000/rs6000.c (processor_costs): Add new costs for
11010         e300c2 and e300c3.
11011         (rs6000_override_options): Add e300c2 and e300c3 cases to
11012         processor_target_table. Do not allow usage of Altivec or Spe
11013         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
11014         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
11015         * config/rs6000/rs6000.h (processor_type): Add
11016         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
11017         (ASM_CPU_SPEC): Add e300c2 and e300c3.
11018         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
11019         and ppce300c3. Include e300c2c3.md.
11021 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
11023         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
11024         instead of TARGET_STRICT_ALIGN.
11026 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
11028         * explow.c (memory_address): Assert that the generated address is
11029         valid.
11031 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
11033         PR target/25477
11034         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
11035         * config/darwin-ppc-ldouble-patch.def: New file.
11036         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
11037         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
11038         SUBTARGET_INIT_BUILTINS if defined.
11039         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
11040         New functions.
11042 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11044         PR rtl-opt/33512
11045         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
11046         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
11048 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11050         PR pch/35027
11051         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
11052         file" warning condtional on -Winvalid-PCH.
11054 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
11056         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
11058 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
11060         PR target/22076
11061         PR target/34256 
11062         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
11063         prevent reload from using MMX registers.
11064         (*mov<mode>_internal): Ditto.
11065         (*movv2sf_internal_rex64): Ditto.
11066         (*movv2sf_internal): Ditto.
11068 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11070         PR documentation/31569
11071         * doc/install.texi2html: Use makeinfo --no-number-sections.
11073 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
11075         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
11076         ensure that we can address an entire entity > 8 bytes.  Don't
11077         generate reg+reg addressing for such data.
11079 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
11081         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
11082         strings when optimizing for size, unless the target cares about
11083         alignment.
11085 2008-02-22  Tom Tromey  <tromey@redhat.com>
11087         * regclass.c (current_pass): Remove declaration.
11089 2008-02-22  Anatoly Sokolov <aesok@post.ru>
11091         * config/avr/libgcc.S (__RAMPZ__): Define.
11092         (__do_copy_data): Add for devices with 128KB code memory.
11094 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
11096         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
11097         Use spe_abi.
11098         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
11100 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
11102         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
11103         GENNONACR_REGS.
11105 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11107         PR c/19999
11108         * c-typeck.c (build_binary_op): Warn about floating point
11109         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
11111 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
11113         PR target/34526
11114         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
11115         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
11116         add vrsave.
11117         (rs6000_override_options): Set altivec_abi as default, not override,
11118         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
11119         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
11120         is used; use new member spe_abi.
11121         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
11122         spe_abi and altivec_abi.
11124 2008-02-22  Tomas Bily  <tbily@suse.cz>
11126         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
11128 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11130         PR bootstrap/35273
11131         * config.build (build_file_translate): Set to `CMD //c' only if
11132         it works.
11133         * Makefile.in (build_file_translate): Improve comment.
11135 2008-02-21  Jan Hubicka  <jh@suse.cz>
11137         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
11138         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
11139         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
11141 2008-02-21  Michael Matz  <matz@suse.de>
11143         PR target/35264
11144         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
11146 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
11148         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
11149         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
11150         as insn constraint.
11151         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
11152         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
11153         SSE_VEC_FLOAT_MODE_P as insn constraint.
11154         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
11155         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
11156         sse4a_movntdf using MODEF mode iterator.
11157         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
11158         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
11159         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
11160         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
11161         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
11162         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
11163         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
11165 2008-02-21  Richard Guenther  <rguenther@suse.de>
11167         * tree.def (PAREN_EXPR): New tree code.
11168         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
11169         and PAREN_EXPR.
11170         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
11171         * expr.c (expand_expr_real_1): Likewise.
11172         * tree-inline.c (estimate_num_insns_1): Likewise.
11173         * tree-complex.c (expand_complex_move): Likewise.
11174         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
11175         as plain x.
11177 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11179         PR target/35225
11180         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
11182 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11184         PR target/35190
11185         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
11187         * config/sh/sh.c (find_barrier): Don't go past
11188         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
11190 2008-02-20  DJ Delorie  <dj@redhat.com>
11192         * config/h8300/h8300.md (insv): Force source operand to be a register.
11194         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
11195         as a jump, not as a plain insn.
11196         
11197 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
11199         * doc/invoke.texi (Warning Options): Add new option
11200         -Wframe-larger-than=.
11201         (-Wframe-larger-than): Document.
11203         * flags.h (warn_frame_larger_than, frame_larger_than_size):
11204         Add declarations for new option variables.
11206         * final.c (final_start_function): Check the frame size
11207         before emission and issue a Wframe-larger-than warning.
11209         * opts.c (warn_frame_larger_than, frame_larger_than_size):
11210         Add definitions for new option variables.
11211         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
11213         * common.opt (Wframe-larger-than=): New option.
11215 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
11217         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
11218         (<sse>_div<mode>3): Ditto.
11219         (<sse>_vmdiv<mode>3): Ditto.
11220         (<sse>_vmsqrt<mode>2): Ditto.
11221         (*smax<mode>3): Ditto.
11222         (sse5_frcz<mode>2): Ditto.
11223         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
11224         as insn constraint.
11226 2008-02-20  Richard Guenther  <rguenther@suse.de>
11228         PR middle-end/35265
11229         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
11230         be happy with INTEGRAL_TYPE_P.
11232 2008-02-20  Richard Guenther  <rguenther@suse.de>
11234         * fold-const.c (split_tree): Associate floatig-point expressions
11235         if flag_associative_math is set.
11237 2008-02-20  Richard Guenther  <rguenther@suse.de>
11239         * tree.h (fold_real_zero_addition_p): Declare.
11240         * fold-const.c (fold_real_zero_addition_p): Export.
11241         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
11242         floating-point operations with zero and one.
11244 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
11246         * doc/install.texi: Correct references to CFLAGS, replacing them
11247         with BOOT_CFLAGS.  Document flags used during bootstrap for
11248         target libraries.
11249                                 
11250 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
11252         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
11253         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
11254         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
11255         insn constraint.
11256         (smin<mode>3): Ditto from similar patterns.
11257         (smax<mode>3): Ditto.
11258         (*ieee_smin<mode>3): Ditto.
11259         (*ieee_smax<mode>3): Ditto.
11260         * config/i386/sse.md (sse): New mode attribute.
11261         (mov<mode>): Macroize expander from movv4sf and movv2df using
11262         SSEMODEF2P mode iterator.
11263         (<sse>_movnt<mode>): Ditto from similar patterns. Use
11264         SSE_VEC_FLOAT_MODE_P as insn constraint.
11265         (storent<mode>): Ditto.
11266         (storent<mode>): Macroize expander from storentsf and storentdf using
11267         MODEF mode iterator.
11268         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
11269         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
11270         (abs<mode>2): Ditto from similar patterns.
11271         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
11272         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
11273         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
11274         (<sse>_vmsqrt<mode>2): Ditto.
11275         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
11276         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
11277         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
11278         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
11279         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
11280         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
11281         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
11282         insn constraint.
11283         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
11284         iterator and SSE_FLOAT_MODE_P as insn constraint.
11285         (<sse>_ucomi): Ditto from similar patterns.
11286         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
11287         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
11288         SSE_VEC_FLOAT_MODE_P as insn constraint.
11289         (vcond<mode>): Ditto from similar patterns.
11290         (and<mode>3, *and<mode>3): Ditto.
11291         (<sse>_nand<mode>3): Ditto.
11292         (ior<mode>3, *ior<mode>3): Ditto.
11293         (xor<mode>3, *xor<mode>3): Ditto.
11294         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
11295         iterator and SSE_FLOAT_MODE_P as insn constraint.
11296         (*nand<mode>3): Ditto from similar patterns.
11297         (*ior<mode>3): Ditto.
11298         (*xor<mode>3): Ditto.
11300 2008-02-20  Ira Rosen  <irar@il.ibm.com>
11302         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
11303         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
11304         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
11306 2008-02-19  Jan Hubicka  <jh@suse.cz>
11308         * predict.c (tree_bb_level_predictions): Remove variable next
11309         mistakely introduced by previous commit.
11311 2008-02-19  Jan Hubicka  <jh@suse.cz>
11313         * predict.c (predict_paths_leading_to): Rewrite.
11314         (predict_paths_for_bb): New.
11315         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
11317 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11319         PR bootstrap/35218
11320         * Makefile.in (build_file_translate): New.
11321         (gcc-vers.texi): Use it for translating $(abs_srcdir).
11322         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
11323         * configure.ac (build_file_translate): Substitute it.
11324         * configure: Regenerate.
11326 2008-02-19  Jan Hubicka  <jh@suse.cz>
11328         PR rtl-optimization/34408
11329         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
11330         invalid sharing.
11332 2008-02-19  Jan Hubicka  <jh@suse.cz>
11334         PR middle-end/28779
11335         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
11336         call_expr.
11338 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
11340         PR Ada/35186
11341         * config/i386/i386-modes.def: Revert the last DI alignment
11342         change until Ada people can look into it.
11344 2008-02-19  Nick Clifton  <nickc@redhat.com>
11346         * opts.c (print_specific_help): Fix typo in --help text.
11348 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
11350         PR target/35239
11351         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
11352         32-bit inline asm without asm alternatives for host GCC < 3.0.
11354 2008-02-19  Richard Guenther  <rguenther@suse.de>
11356         PR tree-optimization/34989
11357         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
11358         Allow propagation to INDIRECT_REF if we can simplify only.
11360 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11362         * c-common.c (warn_for_collisions_1): Use appropriate option when
11363         warning.
11365 2008-02-19  Nick Clifton  <nickc@redhat.com>
11367         PR other/31349
11368         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
11369         (handle_options): Fix indentation.
11370         (print_filtered_help): If no language-specific options were
11371         displayed tell the user how to list all the options supported by
11372         the language's front-end.
11373         (print_specific_help): Fix indentation and remove duplicate line.
11374         (common_handle_option): Handle the -v option.
11375         For --help enable the display of undocumented options if the -v
11376         switch has been included on the command line.
11377         For --help= check for overlaps in the arguments between the option
11378         classes and the language names and issue a warning when they
11379         cannot be disambiguated.
11380         * c.opt (v): Pass on to the common option handler.
11382 2008-02-19  Revital Eres  <eres@il.ibm.com> 
11384         * modulo-sched.c (sms_schedule): Change dump message when
11385         create_ddg function fails.
11386         (try_scheduling_node_in_cycle): Rename row to cycle.
11387         (print_partial_schedule): Rename CYCLE to ROW.
11389 2008-02-19  Christian Bruel  <christian.bruel@st.com>
11390             Zdenek Dvorak  <ook@ucw.cz>
11392         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
11394 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
11396         PR target/33555
11397         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
11398         (*x86_movdicc_0_m1_se): Ditto.
11400 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
11402         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
11403         (CMPtype): Define as __gcc_CMPtype.
11404         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
11405         (CMPtype): Define as __gcc_CMPtype.
11407 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
11409         Support valgrind 3.3 for --enable-checking=valgrind.
11410         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
11411         here.
11412         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
11413         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
11414         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
11415         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
11416         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
11417         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
11418         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
11419         respectively.
11420         * ggc-zone.c: Similar.
11421         * ggc-page.c: Similar.
11423 2008-02-19  Paul Brook  <paul@codesourcery.com>
11425         PR target/35071
11426         * config/arm/ieee754-df.S: Fix do_it typo.
11427         * config/arm/ieee754-sf.S: Fix do_it typo.
11429 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
11431         PR target/35189
11432         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
11433         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
11434         (OPTION_MASK_ISA_SSE_SET): Likewise.
11435         (OPTION_MASK_ISA_SSE2_SET): Likewise.
11436         (OPTION_MASK_ISA_SSE3_SET): Likewise.
11437         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
11438         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
11439         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
11440         (OPTION_MASK_ISA_SSE4_SET): Likewise.
11441         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
11442         (OPTION_MASK_ISA_SSE5_SET): Likewise.
11443         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
11444         (OPTION_MASK_ISA_MMX_UNSET): Updated.
11445         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
11446         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
11447         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
11448         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
11449         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
11450         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
11451         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
11452         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
11453         (OPTION_MASK_ISA_SSE4): Removed.
11454         (ix86_handle_option): Turn on bits in ix86_isa_flags and
11455         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
11456         (override_options): Don't turn on implied SSE/MMX bits in
11457         ix86_isa_flags.
11459 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
11461         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
11462         32bit host.
11464 2008-02-18  Joey Ye  <joey.ye@intel.com>
11466         PR middle-end/34921
11467         * tree-nested.c (insert_field_into_struct): Set type alignment
11468         to field alignment if the former is less than the latter.
11470 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
11472         * BASE-VER: Set to 4.4.0.
11474 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
11476         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
11477         * doc/cfg.texi: Likewise.
11478         * doc/extend.texi: Likewise.
11479         * doc/gty.texi: Likewise.
11480         * doc/invoke.texi: Likewise.
11481         * doc/loop.texi: Likewise.
11482         * doc/md.texi: Likewise.
11483         * doc/passes.texi: Likewise.
11484         * doc/rtl.texi: Likewise.
11485         * doc/sourcebuild.texi: Likewise.
11486         * doc/tm.texi: Likewise.
11487         * doc/tree-ssa.texi: Likewise.
11489 2008-02-17  Richard Guenther  <rguenther@suse.de>
11491         PR middle-end/35227
11492         * tree-complex.c (init_parameter_lattice_values): Handle parameters
11493         without default definition.
11495 2008-02-17  Richard Guenther  <rguenther@suse.de>
11497         PR tree-optimization/35231
11498         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
11499         if A | B != 1.
11501 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
11503         Revert:
11504         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
11505         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
11506         libgcc_cmp_return mode.
11508 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11510         PR c/28368
11511         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
11513 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
11515         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
11516         multilibs.
11518 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11520         * doc/c-tree.texi: Use `@.' where appropriate.
11521         * doc/extend.texi: Likewise.
11522         * doc/install.texi: Likewise.
11523         * doc/invoke.texi: Likewise.
11524         * doc/loop.texi: Likewise.
11525         * doc/makefile.texi: Likewise.
11526         * doc/md.texi: Likewise.
11527         * doc/passes.texi: Likewise.
11528         * doc/standards.texi: Likewise.
11529         * doc/tm.texi: Likewise.
11531 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
11533         PR middle-end/35196
11534         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
11535         in entry_bb.
11536         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
11537         rather than in entry_bb.
11539 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
11541         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
11542         libgcc_cmp_return mode.
11544 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
11546         PR middle-end/35130
11547         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
11548         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
11550 2008-02-15  Richard Guenther  <rguenther@suse.de>
11551             Zdenek Dvorak  <ook@ucw.cz>
11553         PR tree-optimization/35164
11554         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
11555         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
11556         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
11557         Only propagate addresses which do not have abnormal SSA_NAMEs
11558         in their operands.
11560 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
11562         PR target/35088
11563         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
11565 2008-02-15  Jan Hubicka  <jh@suse.cz>
11567         PR middle-end/35149
11568         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
11570 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
11572         PR middle-end/34621
11573         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
11574         when calculating alignment_pad.
11576 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
11578         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
11579         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
11580         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
11581         and STACK_BOUNDARY define.
11583 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
11585         PR preprocessor/35061
11586         * c-pragma.c (handle_pragma_pop_macro): Check that
11587         pushed_macro_table has been allocated.
11589 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
11591         PR middle-end/35136
11592         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
11593         (force_gimple_operand): Likewise.
11594         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
11595         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
11596         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
11597         (find_interesting_uses_address): Check addressability and alignment
11598         of the base expression only after substituting bases of IVs into it.
11600 2008-02-14  Michael Matz  <matz@suse.de>
11602         PR target/34930
11603         * function.c (instantiate_virtual_regs_in_insn): Reload address
11604         before falling back to reloading the whole operand.
11606 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11608         * config/s390/s390.c (s390_mainpool_start): Emit the pool
11609         before the first section switch note.
11611 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
11613         * doc/bugreport.texi: Update copyright years.
11614         * doc/c-tree.texi: Likewise.
11615         * doc/cfg.texi: Likewise.
11616         * doc/cpp.texi: Likewise.
11617         * doc/cppinternals.texi: Likewise.
11618         * doc/fragments.texi: Likewise.
11619         * doc/frontends.texi: Likewise.
11620         * doc/gcc.texi: Likewise.
11621         * doc/gty.texi: Likewise.
11622         * doc/hostconfig.texi: Likewise.
11623         * doc/implement-c.texi: Likewise.
11624         * doc/libgcc.texi: Likewise.
11625         * doc/loop.texi: Likewise.
11626         * doc/makefile.texi: Likewise.
11627         * doc/options.texi: Likewise.
11628         * doc/passes.texi: Likewise.
11629         * doc/rtl.texi: Likewise.
11630         * doc/sourcebuild.texi: Likewise.
11631         * doc/standards.texi: Likewise.
11632         * doc/tree-ssa.texi: Likewise.
11633         * doc/trouble.texi: Likewise.
11635         * doc/extend.texi: Use @: or add comma where appropriate.
11636         * doc/invoke.texi: Likewise.
11637         * doc/tm.texi: Likewise.
11639 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
11641         PR target/34393
11642         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
11643         to a reg.
11645 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
11647         * doc/md.texi (clz, ctz): Add reference.
11648         * doc/rtl.texi (clz, ctz): Likewise.
11650 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11652         PR other/35148
11653         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
11654         srcdir.
11656 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
11658         * config/s390/s390.c (struct constant_pool): New field
11659         emit_pool_after added.
11660         (s390_mainpool_start): Set the emit_pool_after flag according
11661         to the section switch notes.
11662         (s390_mainpool_finish): Consider emit_pool_after when emitting
11663         the literal pool at the end of the function.
11664         (s390_chunkify_start): Force literal pool splits at section
11665         switch notes.
11667 2008-02-13  Michael Matz  <matz@suse.de>
11669         PR debug/35065
11670         * var-tracking.c (clobber_variable_part): Correctly traverse the
11671         list.
11673 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11675         PR 29673
11676         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
11677         Add -fdump-ipa-inline.
11678         * tree-dump.c (dump_files): Remove tree-inlined dump.
11679         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
11680         
11681 2008-02-12  Richard Guenther  <rguenther@suse.de>
11683         PR tree-optimization/35171
11684         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
11685         default defs.
11687 2008-02-12  Richard Guenther  <rguenther@suse.de>
11689         PR middle-end/35163
11690         * fold-const.c (fold_widened_comparison): Use get_unwidened in
11691         value-preserving mode.  Disallow final truncation.
11693 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
11695         PR middle-end/35136
11696         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
11697         code from here to...
11698         (force_gimple_operand): ...here.
11700 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
11702         PR c++/35144
11703         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
11704         non-compatible pointers.
11705         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
11706         different FIELD_DECLs, try harder by comparing field offsets, sizes
11707         and types.
11709         PR inline-asm/35160
11710         * function.c (match_asm_constraints_1): Don't replace the same input
11711         multiple times.
11713 2008-02-12  Anatoly Sokolov <aesok@post.ru>
11715         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
11716         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
11717         (expand_epilogue): Restore RAMPZ register.
11718         * config/avr/avr.md (RAMPZ_ADDR): New constant.
11720 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
11722         * config/i386/cygwin.asm: (__alloca): Correct calling
11723         convention and alignment.
11724         (__chkstk): Force 8 byte stack alignment.
11726 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
11727             Richard Guenther  <rguenther@suse.de>
11729         PR tree-optimization/33992
11730         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
11731         the zero we compare against.
11733 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
11735         PR libfortran/35063
11736         * gthr-win32.h (__gthread_mutex_destroy_function): New function
11737         to CloseHandle after unlocking to prevent accumulation of handle
11738         count.
11740 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11742         PR middle_end/34150
11743         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
11744         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
11745         and update LABEL_NUSES during and after reload.
11747 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
11749         PR middle-end/34627
11750         * combine.c (simplify_if_then_else): Make sure the comparison is
11751         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
11753 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11755         PR bootstrap/35051
11756         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
11757         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
11758         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
11759         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
11760         * tree.h (get_type_static_bounds): Likewise.
11762 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11764         * doc/invoke.texi (Option Summary, C++ Dialect Options)
11765         (Objective-C and Objective-C++ Dialect Options, Warning Options):
11766         Make -Wfoo language annotations match what the compiler outputs.
11768 2008-02-08  Sa Liu  <saliu@de.ibm.com>
11770         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
11771         intrinsics spu_convts, spu_convtu, spu_convtf.
11773 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
11775         * doc/extend.texi (Function Attributes) <noinline>: Mention
11776         asm ("") as method to keep calls.
11778 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11780         PR other/32754
11781         * doc/options.texi (Options): Replace references to opts.sh with
11782         optc-gen.awk.
11783         * opts-common.c: Likewise.
11784         * optc-gen.awk: Likewise.
11785         
11786 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
11788         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
11790 2008-02-07  Richard Henderson  <rth@redhat.com>
11792         PR rtl-opt/33410
11793         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
11794         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
11795         funny mode.
11797 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
11799         PR tree-optimization/35085
11800         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
11801         for operand entry oe2 in addition to operand entry oe3 in order to
11802         expose more opportunities for vectorizer sum reduction.
11804 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11806         PR other/35107
11807         * Makefile.in (LIBS): Remove $(GMPLIBS).
11808         (cc1-dummy, cc1): Add $(GMPLIBS).
11810 2008-02-06  Jan Hubicka  <jh@suse.cz>
11812         PR target/23322
11813         * i386.md (moddf_integer): Do not produce partial memory stalls for
11814         targets where it hurts.
11816 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
11818         PR target/35083
11819         * optabs.c (expand_float): Do not check for decimal modes when
11820         expanding unsigned integer through signed conversion.
11822 2008-02-06  Nick Clifton  <nickc@redhat.com>
11824         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
11825         inside the clobber with a match_operand and duplicated operand
11826         number in the constraint.
11827         (ineqbranchsi): Delete redundant comment.
11829 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
11831         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
11832         builtin_define ("__USE_INIT_FINI__").
11833         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
11834         -msx multilibs.
11835         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
11837 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11839         PR documentation/30330
11840         * doc/invoke.texi (C++ Dialect Options)
11841         (Objective-C and Objective-C++ Dialect Options, Warning Options):
11842         For each warning option -Wfoo that allows -Wno-foo, ensure both
11843         -Wfoo and -Wno-foo are listed in the option index.  Fix index
11844         entry of -Wswitch-default, index -Wnormalized= including the
11845         `=', and -Wlarger-than-@var{len} including @var{len}.
11847 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
11849         * config/i386/i386.md (floatunssisf2): Use
11850         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
11851         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
11852         Macroize expander using MODEF mode iterator.
11854 2008-02-05  Diego Novillo  <dnovillo@google.com>
11856         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
11858         PR 33738
11859         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
11861 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11863         PR other/35070
11864         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
11866 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
11868         PR target/35084
11869         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
11870         to indicate if a message should be generated.
11871         (init_cumulative_args): Updated.
11872         (function_value_32): Likewise.
11874 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
11876         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
11878 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
11880         PR target/35083
11881         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
11882         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
11884 2008-02-04  Diego Novillo  <dnovillo@google.com>
11886         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
11888         PR 33738
11889         * tree-vrp.c (vrp_evaluate_conditional): With
11890         -Wtype-limits, emit a warning when comparing against a
11891         constant outside the natural range of OP0's type.
11893 2008-02-04  Richard Guenther  <rguenther@suse.de>
11895         PR middle-end/33631
11896         * expr.c (count_type_elements): Give for unions instead of
11897         guessing.
11899 2008-02-04  Richard Guenther  <rguenther@suse.de>
11901         PR middle-end/35043
11902         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
11903         to TYPE_DOMAINs base type instead of using bitsizetype here.
11905 2008-02-03  Jason Merrill  <jason@redhat.com>
11907         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
11909 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11911         PR other/29972
11912         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
11913         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
11914         (RS/6000 and PowerPC Options): Fix typos and markup.
11915         * doc/passes.texi (Tree-SSA passes): Likewise.
11917 2008-02-02  Michael Matz  <matz@suse.de>
11919         PR target/35045
11920         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
11921         from record_last_reg_set_info.
11922         (record_last_reg_set_info): Take an RTX argument, iterate over all
11923         constituent hardregs.
11924         (record_last_set_info, record_opr_changes): Change calls to
11925         new signature or to record_last_reg_set_info_regno.
11927 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
11929         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
11931 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
11933         PR rtl-optimization/34773
11934         * reg-notes.def (EQUAL): Mention significance of combination of
11935         REG_EQUAL and REG_RETVAL.
11936         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
11937         insn that has a REG_RETVAL.
11939 2008-02-01  Roger Sayle  <roger@eyesopen.com>
11941         PR bootstrap/33781
11942         * configure.ac (--enable-fixed-point): Disable unless explicitly
11943         requested on IRIX.
11944         * configure: Regenerate.
11946 2008-02-01  Richard Guenther  <rguenther@suse.de>
11948         PR other/35042
11949         * invoke.texi (-finline-limit): Remove no longer true parts
11950         of the documentation.  Note that there is no default value.
11952 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
11953             Mark Mitchell  <mark@codesourcery.com>
11954             Ben Elliston  <bje@au.ibm.com>
11956         PR c/29326
11957         * doc/extend.texi (Other Builtins): Document.
11959 2008-01-31  Tom Browder <tom.browder@gmail.com>
11961         * doc/c-tree.texi (Types): Fix grammar.
11962         (Expression trees): Ditto.
11963         * doc/passes.texi (Tree-SSA passes): Ditto.
11964         
11965         * doc/configterms.texi (Configure Terms): Fix typo.
11966         * doc/cpp.texi (Common Predefined Macros): Ditto.
11967         * doc/md.texi (Machine Constraints): Ditto.
11968         
11969         * doc/makefile.texi (Makefile): Add comma.
11971 2008-01-31  Tom Browder  <tom.browder@gmail.com>
11972             Gerald Pfeifer  <gerald@pfeifer.com>
11973         
11974         * doc/sourcebuild.texi (Front End): Remove references to CVS
11975         and CVSROOT/modules.
11976         (Texinfo Manuals): Replace reference to CVS by one to SVN.
11977         (Back End): Remove reference to CVS.
11979 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
11981         PR target/34900
11982         * config/mips/mips.c (gen_load_const_gp): New function, taking a
11983         comment from...
11984         (mips16_gp_pseudo_reg): ...here.
11985         * config/mips/mips.md (load_const_gp): Replace with...
11986         (load_const_gp_<mode>): ...this :P-based insn.
11988 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11990         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
11991         options. Minor fixes.
11992         (-std): Move reference to standards closer to where language
11993         standards are first mentioned.
11994         
11995 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
11997         PR rtl-optimization/34995
11998         * reload.c (alternative_allows_const_pool_ref): Take an rtx
11999         parameter and return a bool.  If the rtx parameter is nonnull,
12000         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
12001         (find_reloads): Update call accordingly.  Pass the new operand
12002         if it needed no address reloads, otherwise pass null.
12004 2008-01-30  Richard Henderson  <rth@redhat.com>
12006         PR c/34993
12007         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
12008         for unbounded arrays.
12010 2008-01-30  Silvius Rus  <rus@google.com>
12012         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
12014 2008-01-30  Jan Hubicka  <jh@suse.cz>
12016         PR target/34982
12017         * i386.c (init_cumulative_args): Use real function declaration when
12018         calling locally.
12020 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
12022         PR rtl-optimization/34998
12023         * global.c (build_insn_chain): Treat non-subreg_lowpart
12024         SUBREGs of pseudos as clobbering all the words covered by the
12025         SUBREG, not just all the bytes.
12026         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
12027         original df_ref rather than an extract parameter.
12028         (global_conflicts): Update call accordingly.
12030 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
12032         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
12033         the overflow check to make it easier to read.
12034         (__fixtfdi): Change the type of the ll member in union
12035         long_double to UDItype_x.
12037 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
12039         PR middle-end/34969
12040         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
12041         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
12042         * tree-inline.c (fold_marked_statements): Call
12043         cgraph_update_edges_for_call_stmt if folding a call statement.
12044         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
12045         debug_generic_stmt calls, reset it back afterwards.
12047         PR c/35017
12048         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
12049         static decls.
12050         * c-typeck.c (build_external_ref): Don't pedwarn about
12051         static vars in current function's scope.
12053 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
12055         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
12057 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
12059         PR c/35002
12060         * ipa-struct-reorg.c: Fix spelling.
12061         * params.def: Ditto.
12063 2008-01-29  Richard Guenther  <rguenther@suse.de>
12065         PR middle-end/35006
12066         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
12067         field.
12068         * tree-inline.c (remap_type): Increment remapping_type_depth
12069         around remapping types.
12070         (copy_body_r): Only add referenced variables if they are referenced
12071         from code, not types.
12073 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
12075         PR c++/34055
12076         PR c++/34103
12077         PR c++/34219
12078         PR c++/34606
12079         PR c++/34753
12080         PR c++/34754
12081         PR c++/34755
12082         PR c++/34919
12083         PR c++/34961
12084         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
12085         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
12087 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
12089         PR target/34412
12090         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
12091         pointer for tiny stack.
12093 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
12095         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
12097 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
12099         * config/vx-common.h: Fix typo in comment.
12101 2008-01-28  Ian Lance Taylor  <iant@google.com>
12103         PR c++/34862
12104         PR c++/33407
12105         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
12106         coalesce pointers if they have different DECL_NO_TBAA_P values.
12107         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
12108         between variables with different DECL_NO_TBAA_P values.
12110 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
12112         PR 31535
12113         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
12114         are not legitimate small data references on SPE targets.
12116 2008-01-28  David Daney  <ddaney@avtrex.com>
12118         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
12120 2008-01-28  David Daney  <ddaney@avtrex.com>
12122         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
12124 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
12126         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
12127         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
12128         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
12129         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
12130         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
12131         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
12132         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
12133         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
12135 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
12137         * basic-block.h (condjump_equiv_p): Fix comment.
12139 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
12141         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
12142         print_generic_stmt_indented): Fix comment.
12144 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
12146         * configure.ac (__stack_chk_fail): Add detecion for availability
12147         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
12148         * configure: Regenerate.
12150 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
12152         PR middle-end/34688
12153         * final.c (output_addr_const): Handle TRUNCATE.
12155 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
12157         PR target/34711
12158         * tree-ssa-loop-ivopts.c (comp_cost): New type.
12159         (zero_cost, infinite_cost): New constants.
12160         (struct cost_pair): Change type of cost to comp_cost.
12161         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
12162         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
12163         New functions.
12164         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
12165         split_address_cost, ptr_difference_cost, difference_cost,
12166         get_computation_cost_at, get_computation_cost,
12167         determine_use_iv_cost_generic, determine_use_iv_cost_address,
12168         determine_use_iv_cost_condition, determine_use_iv_costs,
12169         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
12170         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
12171         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
12172         Change type of cost to comp_cost.
12173         (determine_iv_cost): Increase cost of non-original ivs, instead
12174         of decreasing the cost of original ones.
12175         (get_address_cost): Indicate the complexity of the addressing mode 
12176         in comp_cost.
12177         (try_add_cand_for): Prefer using ivs not specific to some object.
12178         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
12180 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
12181             Janis Johnson  <janis187@us.ibm.com>
12183         PR target/34814
12184         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
12185         (TARGET_INSTANTIATE_DECLS): Likewise.
12186         * target.h (expand_to_rtl_hook): New target hook.
12187         (instantiate_decls): Likewise.
12188         * function.c (instantiate_decl): Make non-static.  Rename to...
12189         (instantiate_decl_rtl): ... this.
12190         (instantiate_expr): Use instantiate_decl_rtl.
12191         (instantiate_decls_1): Likewise.
12192         (instantiate_decls): Likewise.
12193         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
12194         * function.h (instantiate_decl_rtl): Add prototype.
12195         * cfgexpand.c (target.h): New include.
12196         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
12197         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
12198         (TARGET_INSTANTIATE_DECLS): Likewise.
12199         (TARGET_INITIALIZER): New target hooks added.
12200         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
12201         New prototype.
12202         * config/rs6000/rs6000.c (tree-flow.h): New include.
12203         (machine_function): Add sdmode_stack_slot field.
12204         (rs6000_alloc_sdmode_stack_slot): New function.
12205         (rs6000_instantiate_decls): Likewise.
12206         (rs6000_secondary_memory_needed_rtx): Likewise.
12207         (rs6000_check_sdmode): Likewise.
12208         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
12209         (TARGET_INSTANTIATE_DECLS): Likewise.
12210         (rs6000_hard_regno_mode_ok): Allow SDmode.
12211         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
12212         (rs6000_emit_move): Handle SDmode.
12213         (function_arg_advance): Likewise.
12214         (function_arg): Likewise.
12215         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
12216         SDmode var args for 32-bit compiles.
12217         (rs6000_secondary_reload_class): Handle SDmode.
12218         (rs6000_output_function_epilogue): Likewise.
12219         (rs6000_function_value): Simplify if statement.
12220         (rs6000_libcall_value): Likewise.
12221         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
12222         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
12223         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
12224         (movsd_hardfloat): New define_insn.
12225         (movsd_softfloat): Likewise.
12226         (movsd_store): Likewise.
12227         (movsd_load): Likewise.
12228         (extendsddd2): Likewise.
12229         (extendsdtd2): Likewise.
12230         (truncddsd2): Likewise.
12231         (movdd_hardfloat64): Fixup comment.
12232         (UNSPEC_MOVSD_LOAD): New constant.
12233         (UNSPEC_MOVSD_STORE): Likewise.
12235 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
12237         PR c++/34965
12238         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
12239         TRUTH_XOR_EXPR.
12240         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
12241         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
12242         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
12243         and TRUTH_XOR_EXPR.
12245 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
12247         PR target/34794
12248         * config.gcc: Separate AIX 5.3 from AIX 6.1.
12249         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12250         __LONGDOUBLE128 too.
12251         * config/rs6000/aix61.h: New file.
12253 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
12255         PR rtl-optimization/34959
12256         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
12257         popcount and parity rtxes the same mode as their operand.
12258         Truncate or extend the result to the return value's mode
12259         if necessary.
12261 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
12263         PR target/34981
12264         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
12265         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
12266         to GOT_VERSION_REGNUM.
12267         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
12268         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
12269         * config/mips/mips.c (mips_emit_call_insn): New function.
12270         (mips_call_tls_get_addr): Call mips_expand_call directly.
12271         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
12272         emit_call_insn.
12273         (mips16_build_call_stub): Likewise.  Return the call insn or null.
12274         (mips_expand_call): Update the call to mips16_build_call_stub
12275         accordingly and a remove redundant condition.  Assert that MIPS16
12276         stubs do not use lazy binding.  Use mips_emit_call_insn and return
12277         the call insn.
12278         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
12279         TARGET_USE_GOT.
12280         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
12281         (mips_avoid_hazard): Remove hazard_set handling.
12282         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
12283         (UNSPEC_RESTORE_GP): ...this.
12284         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
12285         (FAKE_CALL_REGNO): Rename to...
12286         (GOT_VERSION_REGNUM): ...this.
12287         (type): Add "ghost" value.  Add an associated insn reservation.
12288         (hazard_set): Remove.
12289         (exception_receiver): Rename to...
12290         (restore_gp): ...this and update the unspec identifier accordingly.
12291         (exception_receiver, nonlocal_got_receiver): New expanders.
12292         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
12293         FAKE_CALL_REGNO.  Remove hazard_set attribute.
12294         (set_got_version, update_got_version): New patterns.
12296 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
12298         PR target/34970
12299         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
12301 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
12303         PR other/31955
12304         * doc/install.texi2html: Generate gcc-vers.texi.
12306 2008-01-25  DJ Delorie  <dj@redhat.com>
12308         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
12310 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
12312         * config/c4x: Remove directory.
12313         * config.gcc (crx-*, mt-*): Mark obsolete.
12314         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
12315         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
12316         sh-*-rtemscoff*): Remove cases.
12317         * defaults.h (C4X_FLOAT_FORMAT): Remove.
12318         * real.c (encode_c4x_single, decode_c4x_single,
12319         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
12320         c4x_extended_format): Remove.
12321         * real.h (c4x_single_format, c4x_extended_format): Remove.
12322         * doc/extend.texi (interrupt, naked): Remove mention of attributes
12323         on C4x.
12324         (Pragmas): Remove comment about c4x pragmas.
12325         * doc/install.texi (c4x): Remove target-specific instructions.
12326         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
12327         * doc/md.texi (Machine Constraints): Remove C4x documentation.
12328         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
12329         refer to C4x source files as examples.
12330         (C4X_FLOAT_FORMAT): Remove documentation.
12332 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
12334         * config/bfin/bfin.c (override_options): Reorder tests so that
12335         flag_pic gets enabled for -msep-data.
12337 2008-01-25  Richard Guenther  <rguenther@suse.de>
12339         PR middle-end/32244
12340         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
12341         to its bitfield precision if required.
12343 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
12345         PR middle-end/33880
12346         * tree-nested.c (walk_omp_for): New function.
12347         (convert_nonlocal_reference, convert_local_reference): Call
12348         walk_omp_for on OMP_FOR.
12349         (convert_call_expr): Call walk_body on OMP_FOR's
12350         OMP_FOR_PRE_INIT_BODY.
12352 2008-01-25  Richard Guenther  <rguenther@suse.de>
12354         PR tree-optimization/34966
12355         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
12356         default defs and PHI_NODEs we have to insert after the
12357         defining statement.
12359 2008-01-24  Nick Clifton  <nickc@redhat.com>
12361         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
12362         Provide a default definition.
12363         (LIBGCC2_UNITS_PER_WORD): Likewise.
12365         * config/stormy16/stormy16.c: Include df.h for the prototype
12366         for df_regs_ever_live_p.
12367         (xstormy16_expand_builtin_va_start): Convert the stack offset
12368         into a component_ref and then use POINTER_PLUS_EXPR to add it
12369         to the incoming_virtual_args_rtx.
12370         (xstormy16_gimplify_va_arg_expr): Rename to
12371         xstormy16_gimplify_va_arg_expr.
12372         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
12373         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
12374         xstormy16_gimplify_va_arg_expr.
12375         Fix up some formatting issues.
12377         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
12378         Move to predicates.md.
12379         (xs_hi_general_operand): Likewise.
12380         (xs_hi_nonmemory_operand): Likewise.
12381         * config/stormy16/predicates.md:
12382         (xstormy16_carry_plus_operand): New predicate.
12383         (xs_hi_general_operand): New predicate.
12384         (xs_hi_nonmemory_operand): New predicate.
12385         * config/stormy16/stormy16-protos.h:
12386         (xstormy16_carry_plus_operand): Delete prototype.
12387         (xs_hi_general_operand): Likewise.
12388         (xs_hi_nonmemory_operand): Likewise.
12390         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
12391         modifiers as they are no longer needed and they can trigger
12392         reload spill failures.
12394         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
12395         with a match_operand in order to help reload.
12397         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
12398         constraint with 'e' for the 8th alternative as this version of
12399         the mov.w instruction only accepts the lower 8 registers.
12401 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
12403         PR target/34856
12404         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
12405         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
12406         vector elements.
12408 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
12410         PR middle-end/33333
12411         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
12413 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
12415         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
12416         New functions.
12417         (remove_structure): Update allocations list before removing structure.
12418         
12419 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
12421         * ipa-struct-reorg.c (is_safe_cond_expr, 
12422         create_new_stmts_for_cond_expr): Use integer_zerop function,
12423         that recognize not only zero-pointer, but zero-integer too.
12425 2008-01-25  Ben Elliston  <bje@au.ibm.com>
12427         PR other/22232
12428         * fixproto: Escape "." in sed expression that strips leading "./".
12430 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
12432         PR driver/34904
12433         * gcc.c (SWITCH_OK): Removed.
12434         (SWITCH_LIVE): Changed to bit.
12435         (SWITCH_FALSE): Likewise.
12436         (SWITCH_IGNORE): Likewise.
12437         (switchstr): Change live_cond to unsigned int.
12438         (process_command): Replace SWITCH_OK with 0.
12439         (do_self_spec): Likewise.
12440         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
12441         (give_switch): Likewise.
12442         (used_arg): Likewise.
12443         (do_spec_1): Set the SWITCH_IGNORE bit.
12444         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
12445         bits.  Set the SWITCH_LIVE bit.
12447 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
12449         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
12451 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
12453         PR tree-optimization/34472
12454         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
12455         parameter to a "bool *" and set *DATA to false if there is
12456         an unsafe access.  Do not delete the structure here.
12457         (check_cond_exprs): Delete it here instead.
12458         (check_cond_exprs, exclude_cold_structs): Do not increase
12459         I when removing a structure.
12461 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
12463         PR target/34856
12464         * config/i386/i386.c (ix86_expand_vector_init): Consider only
12465         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
12467 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
12469         PR middle-end/34934
12470         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
12471         a fixed vector for stack.
12473 2008-01-24  Ben Elliston  <bje@au.ibm.com>
12475         PR c++/25701
12476         * doc/gcc.texi (Software development): Add a direntry for g++.
12477         
12478 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
12480         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
12481         stale and straggling -fforce-addr comments above.
12483         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
12484         define.
12485         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
12486         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
12488 2008-01-23  Michael Matz  <matz@suse.de>
12490         PR debug/34895
12491         * dwarf2out.c (force_type_die): Use modified_type_die instead of
12492         gen_type_die.
12494 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
12496         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
12497         malloc result type.
12499 2008-01-23 Anatoly Sokolov <aesok@post.ru>
12501         * config/avr/avr.c (avr_current_arch): New variable.
12502         (avr_arch_types): Add 'avr31' and 'avr51' entries.
12503         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
12504         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
12505         (avr_override_options): Init 'avr_current_arch'. 
12506         (base_arch_s): Move from here...
12507         * config/avr/avr.h (base_arch_s): ... here. Add new members 
12508         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
12509         'mega' to 'have_jmp_call'.
12510         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
12511         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
12512         macros.
12513         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
12514         architectures.
12515         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
12516         MULTILIB_MATCHES): (Ditto.).
12518 2008-01-23  Richard Guenther  <rguenther@suse.de>
12520         PR middle-end/31529
12521         * cgraphunit.c (cgraph_reset_node): Always mark the node
12522         not reachable if it is not queued already.
12524 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
12526         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
12527         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
12528         (cputype_selected): New static variable.
12529         (bfin_handle_option): Set it if -mcpu is used.
12530         (override_option): Select default set of workarounds if no cpu type
12531         selected on the command line.
12532         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
12534         From  Michael Frysinger  <michael.frysinger@analog.com>
12535         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
12536         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
12538         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
12539         for bf547, bf523, bf524, and bf526.
12540         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
12541         bf526.
12542         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12543         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
12544         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
12545         __ADSPBF547__ and __ADSPBF54x__ for bf547.
12546         * doc/invoke.texi (Blackfin Options): Document that
12547         -mcpu now accept bf547, bf523, bf524, and bf526.
12549 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
12551         PR rtl-optimization/34628
12552         * combine.c (try_combine): Stop and undo after the first combination
12553         if an autoincrement side-effect on the first insn has effectively
12554         been lost.
12556 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
12558         PR target/34529
12559         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
12560         Offset addresses are not valid for Altivec or paired float modes.
12562 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
12564         PR c++/34607
12565         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
12566         if DECL_INITIAL (decl) is error_mark_node.
12568         PR c++/34914
12569         * c-common.c (handle_vector_size_attribute): Only allow
12570         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
12571         the same way as pointer, array etc. types.
12572         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
12574         PR c++/34917
12575         * tree.c (build_type_attribute_qual_variant): Call
12576         build_qualified_type if attributes are equal, but quals are not.
12578 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12580         PR 32102
12581         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
12582         * flags.h (warn_strict_aliasing): Remove.
12583         (warn_strict_overflow): Remove.
12584         * opts.c (warn_strict_aliasing): Remove.
12585         (warn_strict_overflow): Remove.
12586         * c-opts.c (c_common_handle_option): -Wall only sets
12587         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
12588         (c_common_post_options): Give default values to -Wstrict-aliasing
12589         and -Wstrict-overflow if they are uninitialized.
12590         * common.opt (Wstrict-aliasing): Specify Var and Init.
12591         (Wstrict-overflow): Likewise.
12593 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
12595         PR rtl-optimization/26854
12596         PR rtl-optimization/34400
12597         PR rtl-optimization/34884
12598         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
12599         DF_RD->gen.
12600         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
12601         (df_rd_bb_info.expanded_lr_out): Deleted
12602         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
12603         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
12604         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
12605         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
12606         Removed code to allocate, initialize or free expanded_lr_out.
12607         (df_rd_bb_local_compute_process_def): Restructured to make more
12608         understandable.
12609         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
12610         sets if the sets are being trimmed.
12612 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
12614         PR bootstrap/32287
12615         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
12616         (as_vers): Likewise.
12617         * configure: Regenerated.
12619 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12621         PR middle-end/33092
12622         * tree-pass.h (pass_build_alias): New pass.
12623         * tree-ssa-alias.c (gate_build_alias): New.
12624         (pass_build_alias): New.
12625         * passes.c (init_optimization_passes): Add pass_build_alias after
12626         pass_create_structure_vars.
12628 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
12630         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
12631         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
12632         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
12633         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
12634         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
12635         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
12636         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
12637         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
12638         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
12639         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
12640         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
12641         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
12642         * config/s390/s390.md (FP_ALL): New mode iterator.
12643         (_d): New mode attribute.
12644         ("*signbit<mode>2>"): Changed mode of first operand.
12645         ("isinf<mode>2"): Changed mode of first operand.
12646         ("*TDC_insn"): Adaptation for DFP modes.
12648 2008-01-22  Ben Elliston  <bje@au.ibm.com>
12650         * tree.c (check_qualified_type): Improve function description.
12652 2008-01-21  Jason Merrill  <jason@redhat.com>
12654         PR c++/34196
12655         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
12656         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
12657         if it is set.
12659 2008-01-21  DJ Delorie  <dj@redhat.com>
12661         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
12662         return zero.
12664 2008-01-21  Richard Guenther  <rguenther@suse.de>
12666         PR middle-end/34856
12667         * tree-cfg.c (verify_expr): Allow all invariant expressions
12668         instead of just constant class ones as reference argument.
12669         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
12670         like any other constant.
12671         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
12673 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
12675         * regmove.c (fixup_match_1): Update call crossed frequencies.
12677 2008-01-21  Richard Guenther  <rguenther@suse.de>
12679         PR c/34885
12680         * tree-inline.c (setup_one_parameter): Deal with mismatched
12681         types using a VIEW_CONVERT_EXPR.
12683 2008-01-21  Alon Dayan  <alond@il.ibm.com>
12684             Olga Golovanevsky  <olga@il.ibm.com>
12685         
12686         PR tree-optimization/34701
12687         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
12688         when the structure size is not a power of 2.
12690 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
12692         * doc/install.texi: Add doc for --enable-checking=df.
12693         
12694 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
12696         PR rtl-optimization/34808
12697         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
12699 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
12701         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
12702         input.
12704 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
12706         PR rtl-optimization/26854
12707         PR rtl-optimization/34400
12708         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
12709         DF_RD->gen.
12710         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
12711         (df_rd_bb_info.expanded_lr_out): New.
12712         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
12713         * loop_iv.c (iv_analysis_loop_init): Ditto.
12714         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
12715         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
12716         Added code to allocate, initialize or free expanded_lr_out.
12717         (df_rd_bb_local_compute_process_def): Restructured to make
12718         more understandable.
12719         (df_rd_confluence_n): Add code to do nothing with fake edges and
12720         code to no apply invalidate_by_call sets if the sets are being trimmed.
12721         (df_lr_local_finalize): Renamed to df_lr_finalize.
12722         (df_live_local_finalize): Renamed to df_live_finalize.
12724 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
12726         PR target/34831
12727         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
12728         deciding whether to use reciprocal instructions.
12730 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
12732         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
12733         dwarf2out_note_section_used if cold_text_section is NULL.
12735 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
12737         PR gcov-profile/34610
12738         * tree-cfg.c (make_edges): Mark both outgoing edges from
12739         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
12740         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
12741         from OMP_FOR and OMP_CONTINUE outgoing edges.
12743         * tree-profile.c (tree_profiling): Return early if
12744         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
12745         at the end.
12746         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
12747         from cfun to child_cfun.
12748         * function.h (struct function): Add after_tree_profile bit.
12750 2008-01-19 Anatoly Sokolov <aesok@post.ru>
12752         * config/avr/avr.S (_exit): Disable interrupt.
12754 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
12755             Steven Bosscher  <stevenb.gcc@gmail.com>
12757         PR rtl-optimization/26854
12758         PR rtl-optimization/34400
12759         * df-problems.c (df_live_scratch): New scratch bitmap.
12760         (df_live_alloc): Allocate df_live_scratch when doing df_live.
12761         (df_live_reset): Clear the proper bitmaps.
12762         (df_live_bb_local_compute): Only process the artificial defs once
12763         since the order is not important.
12764         (df_live_init): Init the df_live sets only with the variables
12765         found live by df_lr.
12766         (df_live_transfer_function): Use the df_lr sets to prune the
12767         df_live sets as they are being computed.  
12768         (df_live_free): Free df_live_scratch.
12770 2008-01-18  Ian Lance Taylor  <iant@google.com>
12772         * common.opt: Add fmerge-debug-strings.
12773         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
12774         flag_merge_debug_strings rather than flag_merge_constants.
12775         * doc/invoke.texi (Option Summary): Mention
12776         -fmerge-debug-strings.
12777         (Debugging Options): Document -fmerge-debug-strings.
12779 2008-01-18  Ian Lance Taylor  <iant@google.com>
12781         PR c++/33407
12782         * tree.h (DECL_IS_OPERATOR_NEW): Define.
12783         (struct tree_function_decl): Add new field operator_new_flag.
12784         * tree-inline.c (expand_call_inline): When inlining a call to
12785         operator new, force the return value to go into a variable, and
12786         set DECL_NO_TBAA_P on that variable.
12787         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
12789 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
12791         PR debug/34484
12792         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
12793         DWARF2_DEBUGGING_INFO.
12794         (dwarf2out_note_section_used): Ditto.  Add prototype.
12795         (have_multiple_function_sections, text_section_used,
12796         cold_text_section_used, *cold_text_sections): Move declarations
12797         before their uses.
12799 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
12801         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
12802         field and add signal_ra.
12803         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
12804         assignments to frame state pc.  Move end of stack check after
12805         MD_FALLBACK_FRAME_STATE_FOR.
12806         (uw_update_context_1): Use frame state signal_regs if set, instead
12807         of checking signal_frame flag.
12808         (uw_update_context): Use frame state signal_ra if set.
12809         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
12810         * config/xtensa/linux-unwind.h: New file.
12812 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
12814         * modulo-sched.c (get_sched_window): Fix comment typo.
12816 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
12818         PR tree-optimization/34648
12819         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
12821 2008-01-17  Anatoly Sokolov <aesok@post.ru>
12823         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
12824         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
12826 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
12828         PR rtl-optimization/34400
12829         * df-core.c (df_worklist_dataflow_overeager,
12830         df_worklist_dataflow_doublequeue): New functions.
12831         (df_worklist_dataflow): Two different worklist solvers.
12832         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
12833         New param.
12835 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12837         PR testsuite/34821
12838         * doc/invoke.texi: Document the dependence on pthread for fopenmp
12839         and ftree-parallelize-loops.
12841 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
12843         PR rtl-optimization/34826
12844         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
12846 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
12848         * global.c (find_reg): Mark the eh regs as used if necessary.
12849         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
12850         * ra.h (struct allocno): no_eh_reg field added.  Changed
12851         no_stack_reg type to bitfield.
12853 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
12855         * tree.c (substitute_in_expr): Add missing 'break'.
12857 2008-01-17  Richard Guenther  <rguenther@suse.de>
12859         PR tree-optimization/34825
12860         * tree-ssa-math-opts.c (is_division_by): Do not recognize
12861         x / x as division to handle.
12863 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12865         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
12866         "-pthread" is specified.
12867         * pa-hpux11.h (LIB_SPEC): Likewise.
12869 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
12870             Peter Bergner  <bergner@vnet.ibm.com>
12872         PR rtl-optimization/33796
12873         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
12875 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12877         PR libgfortran/34699
12878         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
12879         static links.
12880         * pa-hpux10.h (LINK_SPEC): Likewise.
12881         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
12883 2008-01-16  Richard Guenther  <rguenther@suse.de>
12885         PR middle-end/32628
12886         * fold-const.c (fold_convert_const_int_from_int): Do not
12887         set overflow if that occured only because of a sign extension
12888         change when converting from/to a sizetype with the same
12889         precision and signedness.
12891 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
12893         PR debug/34249
12894         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
12895         location address to the correct place.  Update copyright year.
12897 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12899         * lambda-code.c (lambda_transform_legal_p): Handle the case of
12900         no dependences in the dependence_relations vector.
12902 2008-01-16  Jan Hubicka  <jh@suse.cz>
12904         PR rtl-optimization/31396
12905         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
12906         * cfg.c (dump_reg_info): Print it.
12907         * regs.h (struct reg_info_t): add freq_calls_crossed.
12908         (REG_FREQ_CALLS_CROSSED): New macro.
12909         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
12910         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
12911         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
12912         regmove_optimize): Update call crossed frequencies.
12913         * local-alloc.c (struct qty): Add freq_calls_crossed.
12914         (alloc_qty): Copute freq_calls_crossed.
12915         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
12916         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
12917         * ra.h (struct allocno): Add freq_calls_crossed.
12919 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12921         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
12922         libgomp when compiling with ftree-parallelize-loops.
12923         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
12925 2008-01-16  Richard Guenther  <rguenther@suse.de>
12927         PR tree-optimization/34769
12928         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
12929         * tree.c (int_cst_value): Instead make this function more
12930         permissive in what it accepts as valid input.  Document this
12931         function always sign-extends the value.
12933 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
12934             Richard Guenther  <rguenther@suse.de>
12936         PR c/34668
12937         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
12938         (gimple_fold_indirect_ref_rhs): ... this.
12939         (gimple_fold_indirect_ref): New function with foldings
12940         that preserve lvalueness.
12941         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
12942         * tree-flow.h (gimple_fold_indirect_ref): Declare.
12943         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
12944         to fold an INDIRECT_REF, fall back to the old use of
12945         fold_indirect_ref_1.
12947 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
12949         * tree-data-ref.c (subscript_dependence_tester_1): Call 
12950         free_conflict_function.
12951         (compute_self_dependence): Same.
12953 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
12955         PR debug/34249
12956         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
12957         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
12958         function global.
12959         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
12960         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
12961         for DWARF2_UNWIND_INFO targets.
12963 2008-01-16  Richard Guenther  <rguenther@suse.de>
12965         PR c/34768
12966         * c-typeck.c (common_pointer_type): Do not merge inconsistent
12967         type qualifiers for function types.
12969 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
12971         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
12972         loop_iterator li from previous commit.
12974 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
12976         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
12978 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
12980         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
12981         (parallelize_loops): Don't parallelize irreducible components.
12983 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12985         PR c++/24924
12986         * c-opts (c_common_post_options): Do not enable CPP
12987         flag_pedantic_errors by default.
12988         
12989 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
12991         PR rtl-optimization/31944
12992         * cse.c (remove_pseudo_from_table): New function.
12993         (merge_equiv_classes): Use above function to remove pseudo-registers.
12994         (invalidate): Likewise.
12996 2008-01-13  Richard Guenther  <rguenther@suse.de>
12998         PR middle-end/34601
12999         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
13000         instead of TYPE_MODE to deal with calls from expand_one_error_var.
13002 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
13004         * gcse.c (cprop_jump): Call validate_unshare_change instead of
13005         validate_change to unshare the source of the PC set.
13007 2008-01-12  Jan Hubicka  <jh@suse.cz>
13009         PR middle-end/32135
13010         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
13011         references above array bounds.  This might trigger bounds checks for
13012         pointers to arrays.
13014 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
13016         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
13017         new_replaceable_dependencies.
13019 2008-01-12  Doug Kwan  <dougkwan@google.com>
13021         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
13022         instead of OPT_Wreturn_type in warning due to ignored return type
13023         qualifiers.
13024         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
13025         options included in -Wextra.
13026         * c.opt: New option -Wignored_qualifiers.
13027         * doc/invoke.texi (Warning Options, -Wextra): Add new option
13028         -Wignore_qualifiers.
13029         (-Wignored-qualifiers): Document.
13030         (-Wreturn-type): Remove description of functionality now handled
13031         by -Wignored-qualifiers.
13033 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
13035         PR ada/33788
13036         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
13037         NOP_EXPR if it is between integral types with the same precision.
13039 2008-01-12  Jan Hubicka  <jh@suse.cz>
13041         PR other/28023
13042         * invoke.texi (max-inline-recursive-depth): Fix default value.
13044 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
13046         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
13047         correct type.
13049 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
13050         
13051         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
13052         
13053 2008-01-11  James E. Wilson  <wilson@specifix.com>
13055         PR target/26015
13056         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
13058 2008-01-11  Anatoly Sokolov <aesok@post.ru>
13060         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
13061         save/restore frame pointer register and don't use 'call-prologues' 
13062         optimization in function with "OS_task" attribute.
13064 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
13066         PR middle-end/31309
13067         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
13068         when copying to memory.
13070 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
13072         PR rtl-optimization/30905
13073         * cfgcleanup.c: Include dce.h
13074         (crossjumps_occured): New global variable.
13075         (try_crossjump_bb): Exit loop after finding a fallthru edge.
13076         If something changed, set crossjumps_occured to true.
13077         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
13078         Don't add/remove fake edges to exit here...
13079         (cleanup_cfg): ...but do it here, when crossjumping.
13080         Run a fast DCE when successful crossjumps occured in the latest
13081         iteration of try_optimize_cfg.
13083 2008-01-11  Richard Guenther  <rguenther@suse.de>
13085         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
13086         (struct vn_unary_op_s): Likewise.
13087         (vn_reference_insert): Free old reference on hash collision.
13089 2008-01-10  Raksit Ashok  <raksit@google.com>
13091         PR rtl-optimization/27971
13092         * combine.c (find_split_point): Split PLUS expressions which are
13093         inside a MEM rtx, and whose first operand is complex.
13095 2008-01-10  DJ Delorie  <dj@redhat.com>
13097         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
13098         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
13099         (m32c_hard_regno_ok): Call the underlying function.
13101 2008-01-10  Richard Guenther  <rguenther@suse.de>
13103         PR middle-end/34683
13104         * tree-cfg.c (tree_merge_blocks): Do not go through the
13105         full-blown folding and stmt updating path if we just deal
13106         with virtual operands.
13107         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
13108         test for abnormal SSA_NAMEs.
13110 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
13112         PR middle-end/34641
13113         * reload.c (push_reload): Add assertions.  All constants from
13114         reg_equiv_constant should have been used for replacing the respective
13115         pseudo earlier.
13116         (find_reloads_address): Invoke find_reloads_address_part for
13117         constant taken from the reg_equiv_constant array.
13119 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
13121         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
13122         field (valnum) the first in the struct.  Replace bools with
13123         unit bit fields.
13125 2008-01-10  Richard Guenther  <rguenther@suse.de>
13127         PR tree-optimization/34651
13128         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
13129         types and ordering for masking and converting.
13131 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
13133         PR tree-optimization/34017
13134         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
13135         also for PHI_NODE expressions.
13137 2008-01-09  Jan Hubicka  <jh@suse.cz>
13139         PR tree-optimization/34708
13140         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
13141         based on number of case labels.
13142         (init_inline_once): Remove switch_cost.
13143         * tree-inline.h (eni_weights_d): Remove switch_cost.
13145 2008-01-09  Richard Guenther  <rguenther@suse.de>
13146         Andrew Pinski  <andrew_pinski@playstation.sony.com>
13148         PR middle-end/30132
13149         * gimplify.c (gimplify_cond_expr): Do not create an addressable
13150         temporary if an rvalue is ok or an lvalue is not required.
13152 2008-01-09  Richard Guenther  <rguenther@suse.de>
13154         PR middle-end/34458
13155         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
13156         adjust return type.
13158 2008-01-09  Richard Guenther  <rguenther@suse.de>
13160         PR middle-end/34679
13161         * tree.c (host_integerp): Check for sizetype only if the
13162         type is an integer type.
13164 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
13166         PR debug/26364
13167         * opts.c (decode_options): Disable inlining of functions called
13168         once if not in unit-at-a-time mode.
13170 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
13172         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
13174 2008-01-08  Richard Guenther  <rguenther@suse.de>
13176         PR middle-end/31863
13177         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
13178         out early if the result will be unused.
13180 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
13182         PR target/34709
13183         Revert:
13185         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
13186         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
13187         for TARGET_RECIP.       
13188         
13189 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
13190         
13191         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
13192         for vectorization tuned.
13193         
13194 2008-01-08  Richard Guenther  <rguenther@suse.de>
13196         PR tree-optimization/34683
13197         * tree-ssa-operands.c (operand_build_cmp): Export.
13198         * tree-ssa-operands.h (operand_build_cmp): Declare.
13199         * tree-vn.c (vuses_compare): Remove.
13200         (sort_vuses): Use operand_build_cmp.
13201         (sort_vuses_heap): Likewise.
13202         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
13203         to re-use old VEC if available.  Do not sort already sorted VUSEs.
13204         (vdefs_to_vec): Do not sort already sorted VDEFs.
13206 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
13208         PR middle-end/34694
13209         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
13211 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
13213         PR target/34702
13214         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
13215         limitations of reciprocal sequences on x86 targets.
13217 2008-01-08  Richard Guenther  <rguenther@suse.de>
13219         PR tree-optimization/34683
13220         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
13222 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
13224         PR target/34622
13225         * config/darwin.c (darwin_mergeable_string_section): Don't use
13226         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
13228 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
13230         PR target/34682
13231         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
13232         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
13233         predicates of op0 and op1 to register_operand.
13234         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
13235         expander using X87MODEF mode iterator.  Change predicates of
13236         op0 and op1 to register_operand.
13237         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
13238         corresponding patterns and macroize using MODEF macro.  Change
13239         predicates of op0 and op1 to register_operand and remove
13240         "m" constraint. Disparage "r" alternative with "!".
13241         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
13242         macroize using X87MODEF macro.  Change predicates of op0 and op1
13243         to register_operand and remove "m" constraint.  Disparage "r"
13244         alternative with "!".
13245         (absneg splitter with memory operands): Remove.
13246         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
13247         patterns and macroize using X87MODEF mode iterator.
13248         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
13249         Change predicate of op1 to register_operand.
13250         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
13251         for memory operands.
13253 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
13255         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
13257 2008-01-07  Richard Guenther  <rguenther@suse.de>
13259         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
13260         fields.
13262 2008-01-07  Richard Guenther  <rguenther@suse.de>
13264         PR tree-optimization/34683
13265         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
13266         VOPs of the needed size to save memory.  Use VEC_quick_push
13267         to save compile-time.
13268         (vdefs_to_vec): Likewise.
13270 2008-01-07  Sa Liu  <saliu@de.ibm.com>
13272         * config/spu/spu.md (divdf3): Genetate inline code for double
13273         division.  The implementation doesn't handle INF or NAN, therefore it
13274         only applies when -ffinite-math-only is given.
13276 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
13278         PR libstdc++/34680
13279         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
13280         * doc/cpp.texi ([Common Predefined Macros]): Document.
13282 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
13284         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
13285         order to use commutative addition instead of subtraction.
13287 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13288             Mircea Namolaru  <namolaru@il.ibm.com>
13289             Vladimir Yanovsky  <yanov@il.ibm.com>
13290             Revital Eres  <eres@il.ibm.com>
13292         PR tree-optimization/34263
13293         * tree-outof-ssa.c (process_single_block_loop_latch,
13294         contains_tree_r): New functions.
13295         (analyze_edges_for_bb): Call process_single_block_loop_latch
13296         function to empty single-basic-block latch block if possible.
13298 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
13300         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
13301         for TARGET_RECIP.
13302         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
13304 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
13306         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
13308 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
13310         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
13312 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
13314         PR tree-optimization/34618
13315         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
13316         flag from T.
13318 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
13320         PR target/34673
13321         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
13322         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
13323         Update copyright year.
13325         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
13326         Update copyright year.
13327         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
13328         using NR fixup.
13330 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
13332         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
13333         edge does not point to current bb before changing need_assert.
13335 2008-01-04  Richard Guenther  <rguenther@suse.de>
13337         PR middle-end/34029
13338         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
13339         for verifying purposes if they are is_gimple_min_invariant.
13341 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
13343         PR tree-optimization/34448
13344         PR tree-optimization/34465
13345         * gimplify.c (gimplify_init_constructor): Add new parameter
13346         notify_temp_creation.  Use it.
13347         (gimplify_modify_expr_rhs): Take volatiles into account when
13348         optimizing constructors.
13349         Do not optimize constructors if gimplify_init_constructor will dump to
13350         memory.
13351         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
13352         * gcc.c-torture/compile/pr34448.c: New.
13354 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
13356         PR gcov-profile/34609
13357         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
13358         return_slot if result is TREE_ADDRESSABLE.
13360 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
13362         * config/mips/mips.md (sqrt_condition): Tweak comment.
13363         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
13365 2008-01-03  Tom Tromey  <tromey@redhat.com>
13367         PR c/34457
13368         * c-common.c (c_type_hash): Handle VLAs.
13370 2008-01-03  Jan Hubicka  <jh@suse.cz>
13372         PR tree-optimization/31081
13373         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
13374         0 when inlining and not inlining to first basic block.
13375         (remap_decl): When var is initialized to 0, don't set default_def.
13376         (expand_call_inline): Set entry_bb.
13377         * tree-inline.h (copy_body_data): Add entry_bb.
13379 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
13381         PR c++/34619
13382         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
13383         before returning.
13385         PR tree-optimization/29484
13386         * tree-inline.c (inline_forbidden_p_2): New function.
13387         (inline_forbidden_p): Disallow inlining if some static var
13388         has an address of a local LABEL_DECL in its initializer.
13389         * doc/extend.texi (Labels as Values): Document &&foo behaviour
13390         vs. inlining.
13392 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
13394         PR tree-optimization/34635
13395         * tree-data-ref.c (add_other_self_distances): Make sure that the
13396         evolution step is constant.
13398 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
13400         PR middle-end/34608
13401         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
13403 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
13405         * tree-sra.c (scalarize_init): Insert the generate_element_init
13406         statements after the generate_element_zero statements.
13408 2008-01-02  Richard Guenther  <rguenther@suse.de>
13410         PR middle-end/34093
13411         PR middle-end/31976
13412         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
13413         for very large number of operands instead of ICEing.
13415 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
13417         PR target/34013
13418         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
13419         while stack probing.
13421 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
13423         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
13424         in C++0x mode.
13426 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
13428         PR libmudflap/26442
13429         * tree-mudflap.c (mx_register_decls): Guard warning by
13430         !DECL_ARTIFICIAL check.
13432 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
13434         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
13435         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
13436         sse5_perm<mode>): Fix constraints.