gcc/ChangeLog

   1 2008-06-06 Uros Bizjak <ubizjak@gmail.com>
   2
   3         PR rtl-optimization/36438
   4         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
   5         for vector shifts with constant scalar shift operands.
   6
   7 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
   8
   9         * doc/invoke.texi: Document -march=xlr.
  10         * config/mips/xlr.md: New file.
  11         * config/mips/mips.md: Include it.
  12         (cpu): Add "xlr".
  13         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
  14         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
  15         (mips_rtx_cost_data): Likewise.
  16
  17 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
  18
  19         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
  20         PRE_INC and PRE_DEC cases.
  21
  22 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
  23
  24         PR rtl-optimization/36419
  25         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
  26         the emitting jump insn.
  27
  28         PR target/36362
  29         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
  30         is not bool, boolify the whole *expr_p and convert to the desired type.
  31
  32 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
  33
  34         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
  35         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
  36         Add omp_private_outer_ref hook, add another argument to
  37         omp_clause_default_ctor hook.
  38         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
  39         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
  40         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
  41         hook_tree_tree_tree_tree_null.
  42         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
  43         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
  44         * hooks.c (hook_tree_tree_tree_tree_null): New function.
  45         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
  46         * tree.def (OMP_TASK): New tree code.
  47         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
  48         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
  49         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
  50         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
  51         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
  52         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
  53         OMP_CLAUSE_COLLAPSE_EXPR): Define.
  54         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
  55         (OMP_DIRECTIVE_P): Add OMP_TASK.
  56         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
  57         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
  58         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
  59         and OMP_CLAUSE_UNTIED entries.
  60         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
  61         num_ops to 2.
  62         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
  63         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
  64         * tree-pretty-print.c (dump_omp_clause): Handle
  65         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
  66         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
  67         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
  68         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
  69         warning about unsigned iterators.  Change decl/init/cond/incr
  70         arguments to TREE_VECs, check arguments for all collapsed loops.
  71         (c_finish_omp_taskwait): New function.
  72         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
  73         ws_clauses.
  74         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
  75         default_function_array_conversion on init.  Add par_clauses argument.
  76         If decl is present in parallel's lastprivate clause, change it to
  77         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
  78         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
  79         collapse count in clauses.
  80         (c_parser_omp_for, c_parser_omp_parallel): Adjust
  81         c_parser_omp_for_loop callers.
  82         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
  83         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
  84         (c_parser_omp_clause_name): Handle collapse and untied clauses.
  85         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
  86         functions.
  87         (c_parser_omp_clause_schedule): Handle schedule(auto).
  88         Include correct location in the error message.
  89         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
  90         and PRAGMA_OMP_CLAUSE_UNTIED.
  91         (OMP_TASK_CLAUSE_MASK): Define.
  92         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
  93         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
  94         * tree-nested.c (convert_nonlocal_omp_clauses,
  95         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
  96         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
  97         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
  98         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
  99         OMP_CLAUSE_DECL.
 100         (conver_nonlocal_reference, convert_local_reference,
 101         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
 102         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
 103         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
 104         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
 105         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
 106         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
 107         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
 108         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
 109         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
 110         OMP_CLAUSE_UNTIED.
 111         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
 112         * c-common.h (c_finish_omp_taskwait): New prototype.
 113         * gimple-low.c (lower_stmt): Handle OMP_TASK.
 114         * tree-parloops.c (create_parallel_loop): Create 1 entry
 115         vectors for OMP_FOR_{INIT,COND,INCR}.
 116         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
 117         (make_edges): Handle OMP_TASK.
 118         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
 119         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
 120         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
 121         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
 122         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
 123         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
 124         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
 125         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
 126         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
 127         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
 128         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
 129         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
 130         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
 131         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
 132         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
 133         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
 134         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
 135         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
 136         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
 137         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
 138         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
 139         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
 140         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
 141         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
 142         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
 143         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
 144         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
 145         original iterator is present in lastprivate clause or if
 146         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
 147         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
 148         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
 149         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
 150         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
 151         if it is set, lookup var in outer contexts too.  Handle
 152         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
 153         to be implicitly determined firstprivate for task regions.
 154         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
 155         if it is set, lookup var in outer contexts too.  Set
 156         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
 157         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
 158         OMP_CLAUSE_UNTIED.  Take region_type as last argument
 159         instead of in_parallel and in_combined_parallel.
 160         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
 161         Adjust callers.
 162         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
 163         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
 164         (new_omp_context): Set default_kind to
 165         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
 166         (omp_region_type): New enum.
 167         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
 168         fields, add region_type.
 169         (new_omp_context): Take region_type as argument instead of is_parallel
 170         and is_combined_parallel.
 171         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
 172         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
 173         ctx->is_combined_parallel checks.
 174         (gimplify_omp_task): New function.
 175         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
 176         OMP_CLAUSE_UNTIED.
 177         * omp-low.c (extract_omp_for_data): Use schedule(static)
 178         for schedule(auto).  Handle pointer and unsigned iterators.
 179         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
 180         Add loops argument.  Extract data for collapsed OMP_FOR loops.
 181         (expand_parallel_call): Assert sched_kind isn't auto,
 182         map runtime schedule to index 3.
 183         (struct omp_for_data_loop): New type.
 184         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
 185         Add loop, loops, collapse and iter_type fields.
 186         (workshare_safe_to_combine_p): Disallow combined for if
 187         iter_type is unsigned long long.  Don't combine collapse > 1 loops
 188         unless all bounds and steps are constant.  Adjust extract_omp_for_data
 189         caller.
 190         (expand_omp_for_generic): Handle pointer, unsigned and long long
 191         iterators.  Handle collapsed OMP_FOR loops.  Adjust
 192         for struct omp_for_data changes.  If libgomp function doesn't return
 193         boolean_type_node, add comparison of the return value with 0.
 194         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
 195         pointer, unsigned and long long iterators.  Adjust for struct
 196         omp_for_data changes.
 197         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
 198         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
 199         unsigned long long.  Allocate loops array, pass it to
 200         extract_omp_for_data.  For collapse > 1 loops use always
 201         expand_omp_for_generic.
 202         (omp_context): Add sfield_map and srecord_type fields.
 203         (is_task_ctx, lookup_sfield): New functions.
 204         (use_pointer_for_field): Use is_task_ctx helper.  Change first
 205         argument's type from const_tree to tree.  Clarify comment.
 206         In OMP_TASK disallow copy-in/out sharing.
 207         (build_sender_ref): Call lookup_sfield instead of lookup_field.
 208         (install_var_field): Add mask argument.  Populate both record_type
 209         and srecord_type if needed.
 210         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
 211         in srecord_type.
 212         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
 213         and DECL_FIELD_OFFSET.
 214         (scan_sharing_clauses): Adjust install_var_field callers.  For
 215         firstprivate clauses on explicit tasks allocate the var by value in
 216         record_type unconditionally, rather than by reference.
 217         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
 218         Use is_taskreg_ctx instead of is_parallel_ctx.
 219         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
 220         (create_omp_child_function_name): Add task_copy argument, use
 221         *_omp_cpyfn* names if it is true.
 222         (create_omp_child_function): Add task_copy argument, if true create
 223         *_omp_cpyfn* helper function.
 224         (scan_omp_parallel): Adjust create_omp_child_function callers.
 225         Rename parallel_nesting_level to taskreg_nesting_level.
 226         (scan_omp_task): New function.
 227         (lower_rec_input_clauses): Don't run constructors for firstprivate
 228         explicit task vars which are initialized by *_omp_cpyfn*.
 229         Pass outer var ref to omp_clause_default_ctor hook if
 230         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
 231         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
 232         OMP_CLAUSE_REDUCTION_INIT.
 233         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
 234         avoid duplicate setting of fields.  Handle
 235         OMP_CLAUSE_PRIVATE_OUTER_REF.
 236         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
 237         copy-out if TREE_READONLY, only copy-in.
 238         (expand_task_copyfn): New function.
 239         (expand_task_call): New function.
 240         (struct omp_taskcopy_context): New type.
 241         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
 242         New functions.
 243         (lower_omp_parallel): Rename to...
 244         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
 245         Call create_task_copyfn if srecord_type is needed.  Adjust
 246         sender_decl type.
 247         (task_shared_vars): New variable.
 248         (check_omp_nesting_restrictions): Warn if work-sharing,
 249         barrier, master or ordered region is closely nested inside OMP_TASK.
 250         Add warnings for barrier if closely nested inside of work-sharing,
 251         ordered, or master region.
 252         (scan_omp_1): Call check_omp_nesting_restrictions even for
 253         GOMP_barrier calls.  Rename parallel_nesting_level to
 254         taskreg_nesting_level.  Handle OMP_TASK.
 255         (lower_lastprivate_clauses): Even if some lastprivate is found on a
 256         work-sharing construct, continue looking for them on parent parallel
 257         construct.
 258         (lower_omp_for_lastprivate): Add lastprivate clauses
 259         to the beginning of dlist rather than end.  Adjust for struct
 260         omp_for_data changes.
 261         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
 262         not after it.  Handle collapsed OMP_FOR loops, adjust for
 263         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
 264         (get_ws_args_for): Adjust extract_omp_for_data caller.
 265         (scan_omp_for): Handle collapsed OMP_FOR
 266         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
 267         (lower_omp_single_simple): If libgomp function doesn't return
 268         boolean_type_node, add comparison of the return value with 0.
 269         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
 270         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
 271         (parallel_nesting_level): Rename to...
 272         (taskreg_nesting_level): ... this.
 273         (is_taskreg_ctx): New function.
 274         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
 275         of is_parallel_ctx.
 276         (execute_lower_omp): Rename parallel_nesting_level to
 277         taskreg_nesting_level.
 278         (expand_omp_parallel): Rename to...
 279         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
 280         Call omp_task_call for OMP_TASK regions.
 281         (expand_omp): Adjust caller, handle OMP_TASK.
 282         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
 283
 284         * bitmap.c (bitmap_default_obstack_depth): New variable.
 285         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
 286         if argument is NULL and bitmap_default_obstack is already initialized.
 287         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
 288         at the end.
 289         * matrix-reorg.c (matrix_reorg): Likewise.
 290
 291 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
 292
 293         * config/i386/i386.md (*indirect_jump): Macroize using P
 294         mode iterator.  Remove !TARGET_64BIT from insn constraints.
 295         (*tablejump_1): Ditto.
 296         (*indirect_jump_rex64): Remove insn pattern.
 297         (*tablejump_1_rex64): Ditto.
 298         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
 299         and eh_return_si insn patterns.
 300
 301 2008-06-06  Richard Guenther  <rguenther@suse.de>
 302
 303         * tree-ssa-structalias.c (merge_smts_into): Remove.
 304         (find_what_p_points_to): Do not bother to compute the
 305         points-to set for pt_anything pointers.
 306         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
 307         for pt_anything pointers is ok.
 308
 309 2008-06-06  Jan Hubicka  <jh@suse.cz>
 310
 311         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
 312
 313 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 314
 315         * cgraph.c: Fix typos in comments.
 316         (cgraph_availability_names): Fix string typo.
 317         * fold-const.c: Fix typos in comments.
 318         (fold_binary): Fix typo in warning.
 319         * genautomata.c: Fix typos in comments.
 320         (check_presence_pattern_sets): Fix typo in local variable.
 321         (output_description): Fix typo in output.
 322         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
 323         * hwint.h: Likewise.
 324         * matrix-reorg.c (check_allocation_function): Likewise.
 325         * omega.c (smooth_weird_equations): Likewise.
 326         * auto-inc-dec.c: Fix typos in comments.
 327         * bb-reorder.c: Likewise.
 328         * builtins.c: Likewise.
 329         * c-common.c: Likewise.
 330         * c-cppbuiltin.c: Likewise.
 331         * c-parser.c: Likewise.
 332         * c-pretty-print.c: Likewise.
 333         * cfgcleanup.c: Likewise.
 334         * cfgexpand.c: Likewise.
 335         * cfghooks.c: Likewise.
 336         * cfglayout.c: Likewise.
 337         * cfgloopmanip.c: Likewise.
 338         * cgraphunit.c: Likewise.
 339         * coverage.c: Likewise.
 340         * dbxout.c: Likewise.
 341         * df-byte-scan.c: Likewise.
 342         * df-core.c: Likewise.
 343         * df-problems.c: Likewise.
 344         * df-scan.c: Likewise.
 345         * dfp.c: Likewise.
 346         * dominance.c: Likewise.
 347         * domwalk.c: Likewise.
 348         * dse.c: Likewise.
 349         * dwarf2out.c: Likewise.
 350         * emit-rtl.c: Likewise.
 351         * et-forest.c: Likewise.
 352         * function.c: Likewise.
 353         * function.h: Likewise.
 354         * gcc.c: Likewise.
 355         * gcov-io.c: Likewise.
 356         * gcov.c: Likewise.
 357         * gcse.c: Likewise.
 358         * genattrtab.c: Likewise.
 359         * ggc-page.c: Likewise.
 360         * gimplify.c: Likewise.
 361         * gthr-lynx.h: Likewise.
 362         * haifa-sched.c: Likewise.
 363         * ipa-cp.c: Likewise.
 364         * ipa-inline.c: Likewise.
 365         * ipa-prop.h: Likewise.
 366         * ipa-pure-const.c: Likewise.
 367         * ipa-struct-reorg.c: Likewise.
 368         * ipa-struct-reorg.h: Likewise.
 369         * ipa-type-escape.c: Likewise.
 370         * ipa.c: Likewise.
 371         * loop-doloop.c: Likewise.
 372         * mips-tfile.c: Likewise.
 373         * mkmap-flat.awk: Likewise.
 374         * mkmap-symver.awk: Likewise.
 375         * modulo-sched.c: Likewise.
 376         * omp-low.c: Likewise.
 377         * optabs.c: Likewise.
 378         * optabs.h: Likewise.
 379         * opts.c: Likewise.
 380         * passes.c: Likewise.
 381         * postreload-gcse.c: Likewise.
 382         * postreload.c: Likewise.
 383         * predict.c: Likewise.
 384         * pretty-print.h: Likewise.
 385         * profile.c: Likewise.
 386         * protoize.c: Likewise.
 387         * ra-conflict.c: Likewise.
 388         * real.c: Likewise.
 389         * recog.c: Likewise.
 390         * regclass.c: Likewise.
 391         * regs.h: Likewise.
 392         * reload.c: Likewise.
 393         * rtl-error.c: Likewise.
 394         * rtlanal.c: Likewise.
 395         * scan.h: Likewise.
 396         * sched-rgn.c: Likewise.
 397         * see.c: Likewise.
 398         * stmt.c: Likewise.
 399         * target.h: Likewise.
 400         * tree-dfa.c: Likewise.
 401         * tree-eh.c: Likewise.
 402         * tree-flow-inline.h: Likewise.
 403         * tree-inline.c: Likewise.
 404         * tree-into-ssa.c: Likewise.
 405         * tree-loop-distribution.c: Likewise.
 406         * tree-nested.c: Likewise.
 407         * tree-parloops.c: Likewise.
 408         * tree-pass.h: Likewise.
 409         * tree-pretty-print.c: Likewise.
 410         * tree-profile.c: Likewise.
 411         * tree-scalar-evolution.c: Likewise.
 412         * tree-sra.c: Likewise.
 413         * tree-ssa-alias-warnings.c: Likewise.
 414         * tree-ssa-ccp.c: Likewise.
 415         * tree-ssa-coalesce.c: Likewise.
 416         * tree-ssa-dom.c: Likewise.
 417         * tree-ssa-dse.c: Likewise.
 418         * tree-ssa-forwprop.c: Likewise.
 419         * tree-ssa-live.c: Likewise.
 420         * tree-ssa-live.h: Likewise.
 421         * tree-ssa-loop-im.c: Likewise.
 422         * tree-ssa-loop-ivopts.c: Likewise.
 423         * tree-ssa-loop-niter.c: Likewise.
 424         * tree-ssa-loop-prefetch.c: Likewise.
 425         * tree-ssa-phiopt.c: Likewise.
 426         * tree-ssa-phiprop.c: Likewise.
 427         * tree-ssa-sccvn.c: Likewise.
 428         * tree-ssa-ter.c: Likewise.
 429         * tree-ssa-threadupdate.c: Likewise.
 430         * tree-ssa.c: Likewise.
 431         * tree-vect-analyze.c: Likewise.
 432         * tree-vect-transform.c: Likewise.
 433         * tree-vectorizer.c: Likewise.
 434         * tree-vn.c: Likewise.
 435         * tree-vrp.c: Likewise.
 436         * tree.c: Likewise.
 437         * tree.def: Likewise.
 438         * tree.h: Likewise.
 439         * unwind-dw2-fde.c: Likewise.
 440         * unwind.inc: Likewise.
 441         * value-prof.c: Likewise.
 442         * vmsdbgout.c: Likewise.
 443
 444 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
 445
 446         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
 447         always place FP constants in the TOC for TARGET_POWERPC64.
 448         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
 449
 450 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
 451
 452         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
 453         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
 454         enable for TARGET_E500_DOUBLE.
 455         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
 456         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
 457         floating-point modes like integer modes for E500 double.
 458         (rs6000_legitimate_offset_address_p): Likewise.
 459         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
 460         addressing for DDmode for E500 double.
 461         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
 462         modes as using 64-bits of registers for E500 double.
 463         (spe_build_register_parallel): Do not handle DDmode or TDmode.
 464         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
 465         specially for E500 double.
 466         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
 467         TDmode for E500 double.
 468         (rs6000_gimplify_va_arg): Only handle SDmode in registers
 469         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
 470         (rs6000_split_multireg_move): Do not handle TDmode specially for
 471         E500 double.
 472         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
 473         using 64-bit registers for E500 double.
 474         (emit_frame_save): Do not handle DDmode specially for E500 double.
 475         (gen_frame_mem_offset): Likewise.
 476         (rs6000_function_value): Do not call spe_build_register_parallel
 477         for DDmode or TDmode.
 478         (rs6000_libcall_value): Likewise.
 479         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
 480         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
 481         for E500 double.
 482
 483 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
 484
 485         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
 486         in comments.
 487
 488 2008-06-04  Junjie Gu <jgu@tensilica.com>
 489
 490         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
 491         comparison for frame pointers.
 492
 493 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
 494
 495         PR target/27386
 496         * config/avr/avr.h (PUSH_ROUNDING): Remove.
 497
 498 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
 499
 500         PR target/30243
 501         * builtins.c (expand_builtin_signbit): Don't take lowpart when
 502         register is already smaller or equal to required mode.
 503
 504 2008-06-04  Xinliang David Li  <davidxl@google.com>
 505
 506         * tree-call-cdce.c: New file.
 507         (cond_dead_built_in_calls): New static variable.
 508         (input_domain): New struct.
 509         (check_pow): New function.
 510         (check_builtin_call): Ditto.
 511         (check_target_format): Ditto.
 512         (is_call_dce_candidate): Ditto.
 513         (gen_one_condition): Ditto.
 514         (gen_conditions_for_domain): Ditto.
 515         (get_domain): Ditto.
 516         (gen_conditions_for_pow_cst_base): Ditto.
 517         (gen_conditions_for_pow_int_base): Ditto.
 518         (gen_conditions_for_pow): Ditto.
 519         (get_no_error_domain): Ditto.
 520         (gen_shrink_wrap_conditions): Ditto.
 521         (shrink_wrap_one_built_in_call): Ditto.
 522         (shink_wrap_conditional_dead_built_in_calls): Ditto.
 523         (tree_call_cdce): Ditto.
 524         (gate_call_cdce): Ditto.
 525         (pass_call_cdce): New gimple pass.
 526         * passes.c: (init_optimization_passes): New pass.
 527         * tree-pass.h: New pass declaration.
 528         * opts.c (decode_options): New flag setting.
 529         * common.opt: Add -ftree-builtin-call-dce flag.
 530         * Makefile.in: Add new source file.
 531         * tempvar.def: New tv_id.
 532         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
 533
 534 2008-06-04  Richard Guenther  <rguenther@suse.de>
 535
 536         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
 537         (is_call_clobbered): Always check var_ann->call_clobbered.
 538         (mark_call_clobbered): Always set var_ann->call_clobbered.
 539         (clear_call_clobbered): Always clear var_ann->call_clobbered.
 540         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
 541         (reset_alias_info): Clear call clobbering info on MTAGs and
 542         globals as well.
 543         (set_pt_anything): Set pt_global_mem.
 544         (create_tag_raw): Adjust comment.
 545         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
 546
 547 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
 548             Maxim Kuvyrkov  <maxim@codesourcery.com>
 549
 550         * config/m68k/m68k.opt (mxgot): New option.
 551         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
 552         (m68k_output_addr_const_extra): New.
 553         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
 554         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
 555         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
 556         * doc/invoke.texi (M680x0 Options): Document -mxgot.
 557
 558 2008-06-04  Richard Guenther  <rguenther@suse.de>
 559
 560         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
 561         negative or non-representable offsets.
 562
 563 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
 564
 565         * config/i386/i386.c (ix86_gen_leave): New.
 566         (ix86_gen_pop1): Likewise.
 567         (ix86_gen_add3): Likewise.
 568         (ix86_gen_sub3): Likewise.
 569         (ix86_gen_sub3_carry): Likewise.
 570         (ix86_gen_one_cmpl2): Likewise.
 571         (ix86_gen_monitor): Likewise.
 572         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
 573         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
 574         ix86_gen_one_cmpl2 and ix86_gen_monitor.
 575         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
 576         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
 577         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
 578         (ix86_expand_epilogue): Updated.
 579         (print_operand): Handle integer register operand for 'z'.
 580         (ix86_expand_strlensi_unroll_1): Likewise.
 581         (ix86_expand_strlen): Likewise.
 582         (ix86_expand_builtin): Likewise.
 583         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
 584         mov{q}/mov{l} and add{q}/add{l}.
 585
 586 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
 587
 588         * config/i386/i386.md (P): New mode iterator.
 589         (SFmode push_operand splitter): Macroize DImode and SImode pushes
 590         using P mode iterator.
 591         (DFmode push_operand splitter): Ditto.
 592         (XFmode push_operand splitter): Ditto.
 593         (DFmode float_extend SFmode push_operand splitter): Ditto.
 594         (XFmode float_extend SFmode push_operand splitter): Do not generate
 595         SImode pushes for 64bit target.  Macroize Dimode and SImode
 596         pushes using P mode iterator.
 597         (XFmode float_extend DFmode push_operand splitter): Ditto.
 598
 599 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
 600
 601         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
 602         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
 603         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
 604         return type to int.
 605         (ix86_call_abi_override): Remove check for call_used_regs.
 606
 607 2008-06-03  Richard Guenther  <rguenther@suse.de>
 608
 609         * tree-ssa-structalias.c (find_func_aliases): Add constraints
 610         for the lhs of calls if the return type contains pointers.
 611
 612 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
 613
 614         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
 615         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
 616         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
 617         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
 618         of cfun and DEFAULT_ABI to deceide abi mode.
 619         (DEFAULT_ABI): New.
 620         (REG_PARM_STACK_SPACE): Removed.
 621         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
 622         (STACK_BOUNDARY): Use default target to deceide stack boundary.
 623         * config/i386/i386-protos.h (ix86_cfun_abi): New.
 624         (ix86_function_abi): Likewise.
 625         (ix86_function_type_abi): Likewise.
 626         (ix86_call_abi_override): Likewise.
 627         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
 628         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
 629         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
 630         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
 631         specific defines.
 632         (X86_64_REGPARM_MAX): New.
 633         (X86_64_SSE_REGPARM_MAX): New.
 634         (X64_REGPARM_MAX): New.
 635         (X64_SSE_REGPARM_MAX): New.
 636         (X86_32_REGPARM_MAX): New.
 637         (X86_32_SSE_REGPARM_MAX): New.
 638         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
 639         (ix86_function_regparm): Handle user calling abi.
 640         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
 641         by DEFAULT_ABI versus SYSV_ABI check.
 642         (ix86_reg_parm_stack_space): New.
 643         (ix86_function_type_abi): New.
 644         (ix86_call_abi_override): New.
 645         (ix86_function_abi): New.
 646         (ix86_cfun_abi): New.
 647         (init_cumulative_args): Call abi specific initialization.
 648         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
 649         (function_arg_64): Extend SSE_REGPARM_MAX check.
 650         (function_arg (): Remove TARGET_64BIT_MS_ABI.
 651         (ix86_pass_by_reference): Likewise.
 652         (ix86_function_value_regno_p): Likewise.
 653         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
 654         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
 655         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
 656         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
 657         (setup_incoming_varargs_64): Adjust regparm for call abi.
 658         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
 659         (ix86_va_start): Likewise.
 660         (ix86_gimplify_va_arg): Likewise.
 661         (ix86_expand_prologue): Likewise.
 662         (output_pic_addr_const): Likewise.
 663         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
 664         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
 665         (x86_output_mi_thunk): Likewise.
 666         (x86_function_profiler): Likewise.
 667         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
 668         (SYSV_ABI, MS_ABI): New constants.
 669         (DEFAULT_ABI): New.
 670         (init_regs): Add prototype of function in regclass.c file.
 671         (OVERRIDE_ABI_FORMAT): New.
 672         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
 673         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
 674         (OUTGOING_REG_PARM_STACK_SPACE): New.
 675         (ix86_reg_parm_stack_space): New prototype.
 676         (CUMULATIVE_ARGS): Add call_abi member.
 677         (machine_function): Add call_abi member.
 678         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
 679         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
 680
 681 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
 682
 683         PR target/34879
 684         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
 685         (avr_builtin_setjmp_frame_value): New function.
 686         * config/avr/avr.md (nonlocal_goto_receiver): Define.
 687         (nonlocal_goto): Define.
 688
 689 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
 690
 691         * config/mips/mips.c (mips_emit_loadgp): Return early if
 692         there is nothing do to, otherwise emit a blockage if
 693         !TARGET_EXPLICIT_RELOCS || crtl->profile.
 694         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
 695
 696 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 697
 698         * configure.ac: Drop unneeded backslash ending up in config.in.
 699         * acinclude.m4: Likewise.
 700         * config.in: Regenerate.
 701
 702 2008-05-26  Jan Hubicka  <jh@suse.cz>
 703
 704         * predict.c (maybe_hot_frequency_p): Break out of...
 705         (maybe_hot_bb_p): ... here.
 706         (maybe_hot_edge_p): New.
 707         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
 708         * basic-block.h (maybe_hot_edge_p): Declare.
 709
 710 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
 711
 712         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
 713         (*cmpfp_<mode>_cc): Ditto.
 714         (*fp_jcc_8<mode>_387): Ditto.
 715         (*fop_<MODEF:mode>_2_i387): Ditto.
 716         (*fop_<MODEF:mode>_3_i387): Ditto.
 717         (*fop_xf_2_i387): Ditto.
 718         (*fop_xf_3_i387): Ditto.
 719
 720 2008-06-02  Tomas Bily  <tbily@suse.cz>
 721
 722         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
 723
 724 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
 725
 726         * config/mips/mips.c (mips_valid_offset_p): New function.
 727         (mips_valid_lo_sum_p): Likewise.
 728         (mips_classify_address): Use them.
 729         (mips_force_address): New function.
 730         (mips_legitimize_address): Use it.
 731         * config/mips/mips.md (MOVE128): New mode iterator.
 732         (movtf): Require TARGET_64BIT.  Remove empty strings.
 733         (*movtf_internal): Rename to...
 734         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
 735         of "R" and use {,fp}{load,store} attributes instead of "multi".
 736         Use a separate define_split.
 737         (*movtf_mips16): New pattern.
 738
 739 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
 740
 741         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
 742         * config/mips/mips.c (mips_expand_before_return): New function.
 743         (mips_expand_epilogue): Call it.
 744         * config/mips/mips.md (return): Turn into a define_expand.
 745         (*return): New insn.
 746
 747 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
 748
 749         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
 750         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
 751         functions.  Do not emit uses and clobbers of CONCATs; individually
 752         use and clobber their operands.
 753         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
 754         gen_clobber, emit_use and gen_use.
 755         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
 756         (expand_builtin_return): Likewise.
 757         * cfgbuild.c (count_basic_blocks): Likewise.
 758         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
 759         * explow.c (emit_stack_restore): Likewise.
 760         * expmed.c (extract_bit_field_1): Likewise.
 761         * expr.c (convert_move, emit_move_complex_parts): Likewise.
 762         (emit_move_multi_word, store_constructor): Likewise.
 763         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
 764         (thread_prologue_and_epilogue_insns): Likewise.
 765         * lower-subreg.c (resolve_simple_move): Likewise.
 766         * optabs.c (widen_operand, expand_binop): Likewise.
 767         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
 768         * reload.c (find_reloads): Likewise.
 769         * reload1.c (eliminate_regs_in_insn): Likewise.
 770         * stmt.c (expand_nl_goto_receiver): Likewise.
 771         * config/alpha/alpha.md (builtin_longjmp): Likewise.
 772         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
 773         * config/arm/arm.c (arm_load_pic_register): Likewise.
 774         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
 775         * config/arm/arm.md (untyped_return): Likewise.
 776         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
 777         * config/avr/avr.c (expand_prologue): Likewise.
 778         * config/bfin/bfin.c (do_unlink): Likewise.
 779         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
 780         * config/cris/cris.c (cris_expand_prologue): Likewise.
 781         * config/darwin.c (machopic_indirect_data_reference): Likewise.
 782         (machopic_legitimize_pic_address): Likewise.
 783         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
 784         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
 785         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
 786         (ix86_expand_convert_uns_didf_sse): Likewise.
 787         (ix86_expand_vector_init_general): Likewise.
 788         * config/ia64/ia64.md (eh_epilogue): Likewise.
 789         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
 790         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
 791         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
 792         (config/iq2000/iq2000.c): Likewise.
 793         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
 794         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
 795         (builtin_longjmp): Likewise.
 796         * config/mn10300/mn10300.md (call, call_value): Likewise.
 797         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
 798         * config/pdp11/pdp11.md (abshi2): Likewise.
 799         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
 800         * config/s390/s390.c (s390_emit_prologue): Likewise.
 801         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
 802         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
 803         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
 804         * config/sh/sh.c (prepare_move_operands): Likewise.
 805         (output_stack_adjust, sh_expand_epilogue): Likewise.
 806         (sh_set_return_address, sh_expand_t_scc): Likewise.
 807         * config/sparc/sparc.c (load_pic_register): Likewise.
 808         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
 809         * config/spu/spu.c (spu_expand_epilogue): Likewise.
 810         * config/v850/v850.c (expand_epilogue): Likewise.
 811
 812 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
 813
 814         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
 815         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
 816         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
 817         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
 818         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
 819         stack pointer register.
 820         (output_movhi): Remove code for interrupt specific writing to the
 821         stack pointer register.
 822
 823 2008-05-31  Richard Guenther  <rguenther@suse.de>
 824
 825         PR tree-optimization/34244
 826         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
 827         (tree_expr_nonzero_warnv_p): Likewise.
 828         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
 829         ssa_name_nonnegative_p.
 830         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
 831         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
 832         not tree_expr_nonzero_warnv_p.
 833
 834         PR tree-optimization/36262
 835         Revert
 836         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
 837
 838         PR tree-optimization/34244
 839         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
 840         (record_numbers_of_iterations): New function.
 841         (execute_vrp): Cache the numbers of iterations of loops.
 842         * tree-scalar-evolution.c (scev_reset_except_niters):
 843         New function.
 844         (scev_reset): Use scev_reset_except_niters.
 845         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
 846
 847 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
 848
 849         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
 850         __WORKAROUND_RETS when appropriate.
 851
 852 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
 853
 854         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
 855         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
 856         mode iterator.
 857         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
 858         *fop_df_comm_sse insn patterns using MODEF mode iterator.
 859         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
 860         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
 861         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
 862         *fop_df_1_mixed insn patterns using MODEF mode iterator.
 863         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
 864         *fop_df_1_sse insn patterns using MODEF mode iterator.
 865         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
 866         *fop_df_1_i387 insn patterns using MODEF mode iterator.
 867         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
 868         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
 869         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
 870         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
 871         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
 872         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
 873         (*fop_xf_4_i387): Use <MODE> for mode attribute.
 874         (*fop_xf_5_i387): Ditto.
 875         (*fop_xf_6_i387): Ditto.
 876
 877 2008-05-30  Richard Guenther  <rguenther@suse.de>
 878
 879         * builtins.c (build_string_literal): Avoid generating
 880         a non-gimple_val result.
 881
 882 2008-05-30  DJ Delorie  <dj@redhat.com>
 883
 884         * exec-tool.in: Use an environment variable (private) instead of a
 885         file (shared) as a semaphore, so as to not break parallel builds.
 886
 887 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
 888
 889         * optabs.c (maybe_encapsulate_block): Remove.
 890         (emit_libcall_block): Adjust accordingly.
 891         * optabs.h (maybe_encapsulate_block): Remove prototype.
 892
 893         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
 894         Don't use maybe_encapsulate_block.
 895
 896 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
 897
 898         * config/rs6000/rs6000.c (rs6000_legitimize_address,
 899         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
 900         rtx is a SYMBOL_REF before calling get_pool_constant.
 901
 902 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
 903
 904         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
 905
 906 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
 907
 908         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
 909         rather than OS names to choose INO_T_EQ definition.
 910         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
 911         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
 912
 913 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
 914
 915         PR target/36348
 916         * config/darwin-f.c: New.
 917         * config/t-darwin: Added rule to build darwin-f.o.
 918         * config.gcc: Defined new variable, fortran_target_objs.
 919         (*-*-darwin*): Set fortran_target_objs.
 920         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
 921         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
 922         * configure: Regenerated.
 923
 924 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
 925
 926         PR target/35771
 927         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
 928         canonical type if needed.
 929
 930 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
 931
 932         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
 933
 934 2008-05-29  Richard Guenther  <rguenther@suse.de>
 935
 936         PR tree-optimization/36343
 937         PR tree-optimization/36346
 938         PR tree-optimization/36347
 939         * tree-flow.h (clobber_what_p_points_to): Declare.
 940         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
 941         pointed-to variable is dereferenced is irrelevant to whether
 942         the pointer can access the pointed-to variable.
 943         (clobber_what_p_points_to): New function.
 944         * tree-ssa-alias.c (set_initial_properties): Use it.
 945         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
 946         call clobber check for NMTs.
 947
 948 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
 949
 950         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
 951         for printing gcov_type.
 952
 953 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
 954
 955         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
 956         and the eh region information.
 957         * value-prof.c (gimple_move_stmt_histograms): New function.
 958         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
 959
 960 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
 961
 962         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
 963
 964 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
 965
 966         * value-prof.c (tree_ic_transform): Print counts.
 967         * tree-profile.c (tree_gen_ic_func_profiler):
 968         Clear __gcov_indreict_call_callee variable to avoid misattribution
 969         of the profile.
 970
 971 2008-05-28  Rafael Espindola  <espindola@google.com>
 972
 973         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
 974         invalid sharing.
 975
 976 2008-05-28  Richard Guenther  <rguenther@suse.de>
 977
 978         PR tree-optimization/36339
 979         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
 980         and clobbering code out of the loop.
 981
 982 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
 983
 984         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
 985         letters defined.
 986
 987         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
 988         s390_contiguous_bitmask_p, s390_symref_operand_p,
 989         s390_check_symref_alignment, s390_reload_larl_operand,
 990         s390_reload_symref_address): New functions.
 991         (s390_branch_condition_mnemonic): Support compare and branch
 992         instructions.
 993         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
 994         and 'W' constraints.
 995         (s390_secondary_reload): Add secondary reloads for unaligned
 996         symbol refs or symbol refs to floating point or QI/TI mode
 997         integer values.
 998         (legitimate_address_p): Accept symbol references as addresses.
 999         (s390_expand_insv): Use rotate and insert selected bits
1000         instruction for insv when building for z10.
1001         (print_operand_address): Handle symbol ref addresses.
1002         (print_operand): Output modifier 'c' added for signed byte values.
1003         (s390_encode_section_info): Mark symbol refs with
1004         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
1005
1006         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
1007         (length attribute): RRF, RRR have 4 byte length.
1008         (FPALL, INTALL): New mode iterators added.
1009         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
1010         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
1011         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
1012         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
1013         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
1014         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
1015         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
1016         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
1017         instructions.
1018         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
1019         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
1020         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
1021         reload<INTALL:mode><P:mode>_toreg_z10,
1022         reload<FPALL:mode><P:mode>_tomem_z10,
1023         reload<FPALL:mode><P:mode>_toreg_z10,
1024         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
1025         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
1026         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
1027         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
1028         definition.
1029         (movmem, clrmem, cmpmem): New splitters added.
1030
1031         * config/s390/predicates.md (larl_operand): Use
1032         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
1033         SYMBOL_REF_ALIGN1_P.
1034         (s390_signed_integer_comparison,
1035         s390_unsigned_integer_comparison): New predicates.
1036
1037         * config/s390/s390-protos.h (s390_check_symref_alignment,
1038         s390_contiguous_bitmask_p, s390_reload_larl_operand,
1039         s390_reload_symref_address,
1040         s390_compare_and_branch_condition_mask): Prototypes added.
1041
1042         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
1043         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
1044         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
1045
1046 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1047
1048         * config/s390/s390.c (z10_cost): New cost function for z10.
1049         (s390_handle_arch_option, override_options): Support -march=z10 switch.
1050         (s390_issue_rate): Adjust issue rate for z10.
1051         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
1052         (processor_flags): Add PF_Z10.
1053         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
1054         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
1055         * gcc/config.gcc: Add z10.
1056
1057 2008-05-28  Richard Guenther  <rguenther@suse.de>
1058
1059         PR tree-optimization/36291
1060         * tree-flow. h (struct gimple_df): Remove var_anns member.
1061         * tree-flow-inline.h (gimple_var_anns): Remove.
1062         (var_ann): Simplify.
1063         * tree-dfa.c (create_var_ann): Simplify.
1064         (remove_referenced_var): Clear alias info from var_anns of globals.
1065         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
1066         (delete_tree_ssa): Clear alias info from var_anns of globals.
1067         Do not free var_anns.
1068         (var_ann_eq): Remove.
1069         (var_ann_hash): Likewise.
1070
1071 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
1072
1073         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
1074         and loongson2f entries.
1075         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
1076         * config/mips/mips.h (processor_type): Add Loongson-2E
1077         and Loongson-2F entries.
1078         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
1079         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
1080         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
1081         * doc/invoke.texi (MIPS Options): Document loongson2e
1082         and loongson2f processor names.
1083
1084 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1085
1086         PR target/35767
1087         PR target/35771
1088         * config/i386/i386.c (ix86_function_arg_boundary): Use
1089         alignment of canonical type.
1090         (ix86_expand_vector_move): Check unaligned memory access for
1091         all SSE modes.
1092
1093 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1094
1095         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
1096         Moved to the front of file.
1097
1098 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
1099             H.J. Lu  <hongjiu.lu@intel.com>
1100
1101         * dwarf2out.c (current_fde): New.
1102         (add_cfi): Use it.
1103         (lookup_cfa:): Likewise.
1104         (dwarf2out_end_epilogue): Likewise.
1105         (dwarf2out_note_section_used): Likewise.
1106
1107 2008-05-27  Michael Matz  <matz@suse.de>
1108
1109         PR c++/27975
1110         * c.opt (Wenum-compare): New warning option.
1111         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
1112
1113 2008-05-27  Michael Matz  <matz@suse.de>
1114
1115         PR middle-end/36326
1116         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
1117         non-BLKmode types.
1118         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
1119         into memory as tail calls.
1120
1121 2008-05-27  Richard Guenther  <rguenther@suse.de>
1122
1123         PR tree-optimization/36339
1124         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
1125         pointers cause all addressable variables to be call clobbered.
1126
1127 2008-05-27  Richard Guenther  <rguenther@suse.de>
1128
1129         PR tree-optimization/36245
1130         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
1131
1132 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1133
1134         * config/s390/s390.md: Replace all occurences of the 'm'
1135         constraint with 'RT'.
1136
1137 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1138
1139         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
1140         definitions added.
1141         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
1142         "*movdi_64".
1143         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
1144         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
1145         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
1146
1147 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1148
1149         * reload.c: (find_reloads): Skip alternatives according to the
1150         "enabled" attribute. Constify the constraint variable.
1151         * recog.c (get_attr_enabled): Add default implementation.
1152         (extract_insn): Set the alternative_enabled_p array
1153         in the recog_data struct.
1154         (preprocess_constraints, constrain_operands): Skip
1155         alternatives according to the "enabled" attribute
1156         * recog.h (struct recog_data): New field alternative_enabled_p.
1157         (skip_alternative): New inline function.
1158         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
1159         (record_reg_classes): Skip alternative according to the
1160         "enabled" attribute.
1161
1162         * doc/md.texi: Add documention for the "enabled" attribute.
1163
1164 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1165
1166         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
1167         * postreload.c (reload_cse_simplify_operands): Replace 'm'
1168         constraint with TARGET_MEM_CONSTRAINT.
1169         * recog.c (asm_operand_ok, preprocess_constraints,
1170         constrain_operands): Likewise.
1171         * regclass.c (record_reg_classes): Likewise.
1172         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
1173         * reload1.c (maybe_fix_stack_asms): Likewise.
1174         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
1175         * recog.h: Adjust comment.
1176         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
1177         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
1178         * doc/md.texi: Add a note to description of 'm' constraint.
1179         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
1180
1181 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1182
1183         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
1184         that the bitfield is of integral type before testing its precision.
1185
1186 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1187             Sa Liu  <saliu@de.ibm.com>
1188
1189         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
1190         __modti3, __udivti3, __umodti3 and __udivmodti4.
1191         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
1192         that implement TImode mul and div functions.
1193         * config/spu/multi3.c: New. Implement __multi3.
1194         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
1195         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
1196         functions on SPU.
1197
1198 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
1199
1200         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
1201         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
1202         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
1203         tls_sysv_suffix): New mode and mode attribute iterators.
1204         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
1205         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
1206         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
1207         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
1208         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
1209         iterators.
1210
1211 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1212
1213         PR tree-optimization/36329
1214         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
1215         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
1216         * cgraphbuild.c (initialize_inline_failed): Use the latter
1217         macro in lieu of the former.
1218         * ipa-inline.c (cgraph_mark_inline): Likewise.
1219         (cgraph_decide_inlining_of_small_function): Likewise.
1220         (cgraph_decide_inlining): Likewise.
1221         (cgraph_decide_inlining_incrementally): Likewise.
1222
1223 2008-05-26  Tristan Gingold  <gingold@adacore.com>
1224             Anatoly Sokolov  <aesok@post.ru>
1225
1226         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
1227         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
1228         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
1229         optimization for 'avr6' architecture.
1230
1231 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
1232
1233         PR target/34932
1234         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
1235
1236 2008-05-26  Richard Guenther  <rguenther@suse.de>
1237
1238         * tree-ssa-sccvn.c (expr_has_constants): Declare.
1239         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
1240
1241 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
1242
1243         PR middle-end/36253
1244         * caller-save.c (insert_restore): Verify alignment of spill space.
1245         (insert_save): Likewise.
1246         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
1247         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
1248         (STACK_SLOT_ALIGNMENT): Likewise.
1249         * function.c (LOCAL_ALIGNMENT): Removed.
1250         (get_stack_local_alignment): New.
1251         (assign_stack_local): Use it.  Set alignment on stack slot.
1252         (assign_stack_temp_for_type): Use get_stack_local_alignment.
1253         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
1254         (STACK_SLOT_ALIGNMENT): New.
1255         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
1256         stack slot in XFmode.
1257
1258         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
1259
1260 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
1261
1262         PR/36321
1263         * config/i386/i386.md (allocate_stack_worker_64): Make sure
1264         argument operand in rax isn't removed.
1265
1266 2008-05-26  Richard Guenther  <rguenther@suse.de>
1267
1268         PR middle-end/36300
1269         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
1270         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
1271
1272 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1273
1274         PR bootstrap/36331
1275         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
1276
1277 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
1278
1279         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
1280         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
1281
1282 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1283
1284         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
1285         build a trampoline if we don't want one.
1286         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
1287         return zero for nested functions if we don't want a trampoline.
1288
1289 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1290
1291         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
1292
1293 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
1294
1295         PR fortran/18428
1296         * c.opt: Removed undocumented option '-lang-fortran'.
1297         * c-common.h: Removed global variable 'lang_fortran'.
1298         * c-opts.c (c_common_handle_option): Removed code to handle
1299         option '-lang-fortran'. Updated includes.
1300         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
1301         definition of '__GFORTRAN__'.
1302         (define__GNUC__): Reimplemented to use BASEVER and
1303         cpp_define_formatted.
1304         (builtin_define_with_value_n): Removed.
1305         * c-incpath.h: Renamed to ...
1306         * incpath.h: ... this.
1307         * c-incpath.c: Renamed to ...
1308         * incpath.c: ... this. Updated includes.
1309         * fix-header.c: Updated includes.
1310         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
1311         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
1312         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
1313
1314 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1315
1316         * tree.h: Update the table of flags used on tree nodes.
1317         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
1318         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
1319         (FORCED_LABEL): Add access check.
1320         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
1321         (ASM_INPUT_P): Likewise.
1322         (ASM_VOLATILE_P): Likewise.
1323         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
1324         (OMP_SECTION_LAST): Access private_flag directly.
1325         (OMP_RETURN_NOWAIT): Likewise.
1326         (OMP_PARALLEL_COMBINED): Likewise.
1327         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
1328         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
1329         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
1330         deprecated_flag directly.
1331
1332 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
1333
1334         * final.c (frame_pointer_needed): Removed.
1335         * flags.h (frame_pointer_needed): Likewise.
1336
1337         * function.h (rtl_data): Add frame_pointer_needed.
1338         (frame_pointer_needed): New.
1339
1340 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
1341
1342         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
1343
1344 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
1345
1346         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
1347         SRC is a REG.
1348
1349 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
1350
1351         * c-common.c (strip_array_types): Move function to..
1352         * tree.c: ..here.
1353         (get_inner_array_type): Delete.
1354         * c-common.h (strip_array_types): Move declaration to..
1355         * tree.h: ..here.
1356         (get_inner_array_type): Delete.
1357         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
1358         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
1359         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
1360         * config/pa/pa.c (emit_move_sequence): Likewise.
1361
1362 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
1363
1364         * config/i386/i386.md (*sse_prologue_save_insn): Set length
1365         attribute to 34.
1366
1367 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
1368
1369         * function.c: Include target hook for nonlocal_goto frame value.
1370
1371 2008-05-24  Richard Guenther  <rguenther@suse.de>
1372
1373         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
1374         variable can be only accessed through a pointer or a union.
1375
1376 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1377
1378         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
1379         * doc/extend.texi: Likewise.
1380
1381 2008-05-23  DJ Delorie  <dj@redhat.com>
1382
1383         * config/m32c/jump.md (untyped_call): Add.
1384
1385         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
1386         for A24 to PSImode.
1387         (m32c_address_cost): Detail costs for indirect offsets.
1388
1389 2008-05-23  Rafael Espindola  <espindola@google.com>
1390
1391         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
1392         if a node is a SUBREG.
1393         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
1394         is a SUBREG.
1395
1396 2008-05-23  Paul Brook  <paul@codesourcery.com>
1397             Carlos O'Donell  <carlos@codesourcery.com>
1398
1399         * doc/extend.texi: Clarify use of __attribute__((naked)).
1400         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
1401         * target.h (gcc_target): Add allocate_stack_slots_for_args.
1402         * function.c (use_register_for_decl): Use
1403         targetm.calls.allocate_stack_slots_for_args.
1404         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
1405         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
1406         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
1407
1408 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1409
1410         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
1411
1412 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
1413
1414         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
1415         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
1416         is only rounded once.
1417
1418 2008-05-23  Richard Guenther  <rguenther@suse.de>
1419
1420         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
1421
1422 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
1423             Jakub Jelinek  <jakub@redhat.com>
1424
1425         PR target/36079
1426         * configure.ac: Handle --enable-cld.
1427         * configure: Regenerated.
1428         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
1429         * config/i386/i386.h (struct machine_function): Add needs_cld field.
1430         (ix86_current_function_needs_cld): New define.
1431         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
1432         (cld): New isns pattern.
1433         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
1434         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
1435         * config/i386/i386.opt (mcld): New option.
1436         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
1437         TARGET_CLD and ix86_current_function_needs_cld.
1438         (override_options): Use -mcld by default for 32-bit code if
1439         USE_IX86_CLD.
1440
1441         * doc/install.texi (Options specification): Document --enable-cld.
1442         * doc/invoke.texi (Machine Dependent Options)
1443         [i386 and x86-64 Options]: Add -mcld option.
1444         (Intel 386 and AMD x86-64 Options): Document -mcld option.
1445
1446 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
1447         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
1448         (return_in_memory_64): Likewise.
1449         (return_in_memory_ms_64): Likewise.
1450
1451 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1452
1453         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
1454         * builtins.c (fold_builtin_fpclassify): New.
1455         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
1456         * builtins.def (BUILT_IN_FPCLASSIFY): New.
1457         * c-common.c (handle_type_generic_attribute): Adjust to accept
1458         fixed arguments before an elipsis.
1459         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
1460         * doc/extend.texi: Document __builtin_fpclassify.
1461
1462 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
1463
1464         * omp-low.c (gate_expand_omp_ssa): Remove.
1465         (pass_expand_omp_ssa): Remove.
1466         (gate_expand_omp): Do not check for flag_openmp_ssa.
1467         * common.opt (-fopenmp-ssa): Remove.
1468         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
1469
1470 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1471
1472         * config/sh/sh.opt (mfixed-range): New option.
1473         * config/sh/sh-protos.h (sh_fix_range): Declare.
1474         * config/sh/sh.c (sh_fix_range): New function.
1475         * config/sh/sh.h (sh_fixed_range_str): Declare.
1476         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
1477         is not empty.
1478         * doc/invoke.texi (SH Options): Document -mfixed-range.
1479
1480 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
1481
1482         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
1483         it before the redeclaration.
1484
1485 2008-05-22  Anatoly Sokolov <aesok@post.ru>
1486
1487         * config/avr/avr.c (get_sequence_length): Add new function.
1488         (expand_prologue, expand_epilogue): Remove duplicate code.
1489
1490 2008-05-22  Rafael Espindola  <espindola@google.com>
1491
1492         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
1493         sharing.
1494
1495 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1496
1497         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
1498         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
1499
1500         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
1501         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
1502         (vect_update_misalignment_for_peel): Likewise.
1503         (vector_alignment_reachable_p): Likewise.
1504         * tree-vect-transform.c (vectorizable_load): Likewise.
1505         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
1506         (get_vectype_for_scalar_type): Pass mode of scalar_type
1507         to UNITS_PER_SIMD_WORD.
1508
1509         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
1510         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
1511         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
1512         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
1513         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
1514
1515 2008-05-22  Ira Rosen  <irar@il.ibm.com>
1516
1517         PR tree-optimization/36293
1518         * tree-vect-transform.c (vect_transform_strided_load): Don't check
1519         if the first load must be skipped because of a gap.
1520
1521 2008-05-22  Richard Guenther  <rguenther@suse.de>
1522
1523         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
1524         more cases of offset disambiguation that is possible if
1525         strict-aliasing rules apply.
1526         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
1527         for basic offset and type-based disambiguation.
1528
1529 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1530
1531         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
1532         ix86_expand_vector_set on V16QImode for SSE4.1.
1533
1534 2008-05-21  Tom Tromey  <tromey@redhat.com>
1535
1536         * c.opt (Wimport): Mark as undocumented.
1537         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
1538         -Wno-import.
1539         (Warning Options): Likewise.
1540         * doc/cppopts.texi: Don't mention -Wimport.
1541
1542 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
1543
1544         PR tree-optimization/36287
1545         PR tree-optimization/36286
1546         * lambda-code.c (build_access_matrix): Do not use the loop->num
1547         for computing the number of induction variables: use the loop depth
1548         instead.
1549
1550 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
1551
1552         PR/36280
1553         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
1554         option -f(no-)leading-underscore.
1555
1556 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1557
1558         * config/i386/i386.c (ix86_expand_vector_init_general): Use
1559         GET_MODE_NUNITS (mode).
1560
1561 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
1562
1563         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
1564         (-mmulhw): Add 464 to description.
1565         (-mdlmzb): Likewise.
1566         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
1567         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
1568         464fp entries.
1569         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
1570         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
1571         * config/rs6000/rs6000.md: Update comments for 464.
1572
1573 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
1574
1575         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
1576
1577 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1578
1579         * config/i386/sse.md (vec_extractv4sf): Removed.
1580         (vec_extractv2df): Likewise.
1581         (vec_extractv2di): Likewise.
1582         (vec_extractv4si): Likewise.
1583         (vec_extractv8hi): Likewise.
1584         (vec_extractv16qi): Likewise.
1585         (vec_extract<mode>): New.
1586
1587 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1588
1589         * config/i386/sse.md (vec_setv4sf): Removed.
1590         (vec_setv2df): Likewise.
1591         (vec_setv2di): Likewise.
1592         (vec_setv4si): Likewise.
1593         (vec_setv8hi): Likewise.
1594         (vec_setv16qi): Likewise.
1595         (vec_set<mode>): New.
1596
1597 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1598
1599         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
1600         goto for vec_concat and vec_interleave.
1601
1602 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1603
1604         * config/i386/sse.md (vec_initv4sf): Removed.
1605         (vec_initv2df): Likewise.
1606         (vec_initv2di): Likewise.
1607         (vec_initv4si): Likewise.
1608         (vec_initv8hi): Likewise.
1609         (vec_initv16qi): Likewise.
1610         (vec_init<mode>): New.
1611
1612 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
1613
1614         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
1615
1616 2008-05-21  Tom Tromey  <tromey@redhat.com>
1617
1618         * ggc-zone.c (lookup_page_table_if_allocated): New function.
1619         (zone_find_object_offset): Likewise.
1620         (gt_ggc_m_S): Likewise.
1621         (highest_bit): Likewise.
1622         * ggc-page.c (gt_ggc_m_S): New function.
1623         * stringpool.c (string_stack): Remove.
1624         (init_stringpool): Update.
1625         (ggc_alloc_string): Use ggc_alloc.
1626         (maybe_delete_ident): New function.
1627         (ggc_purge_stringpool): Likewise.
1628         (gt_ggc_m_S): Remove.
1629         * ggc-common.c (ggc_protect_identifiers): New global.
1630         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
1631         ggc_protect_identifiers.
1632         * ggc.h (ggc_protect_identifiers): Declare.
1633         (gt_ggc_m_S): Update.
1634         (ggc_purge_stringpool): Declare.
1635         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
1636         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
1637         special case.
1638         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
1639
1640 2008-05-21  David S. Miller  <davem@davemloft.net>
1641
1642         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
1643         tmake_file.
1644
1645 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
1646
1647         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
1648         once finished.
1649
1650 2008-05-20  David Daney  <ddaney@avtrex.com>
1651
1652         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
1653         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
1654         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
1655         UNSPEC_UPDATE_GOT_VERSION): Renumber.
1656         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
1657         (atomic_hiqi_op): New define_code_iterator.
1658         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
1659         mips_expand_compare_and_swap_12.
1660         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
1661         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
1662         (sync_<optab><mode>, sync_old_<optab><mode>,
1663         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1664         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
1665         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
1666         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
1667         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
1668         (test_and_set_12): New insn.
1669         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
1670         sync_new_<optab><mode>, sync_old_nand<mode>,
1671         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
1672         clobber to operand 0 for SI and DI mode insns.
1673         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
1674         mips_gen_fn_4): New typedefs.
1675         (mips_gen_fn_ptrs): Define new union type.
1676         (mips_expand_compare_and_swap_12): Remove declaration.
1677         (mips_expand_atomic_qihi): Declare function.
1678         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
1679         (mips_expand_atomic_qihi): ... this.  Use new generator function
1680         parameter.
1681         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
1682         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
1683         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
1684         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
1685         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
1686         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
1687         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
1688         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
1689         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
1690         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
1691         New macros.
1692
1693 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1694
1695         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
1696         the missing break.
1697
1698 2008-05-20  Anatoly Sokolov <aesok@post.ru>
1699
1700         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
1701         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
1702         (avr_attribute_table): Add 'OS_main' function attribute.
1703         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
1704         functions with 'OS_main' attribute.
1705
1706 2008-05-20  Richard Guenther  <rguenther@suse.de>
1707
1708         PR tree-optimization/35204
1709         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
1710         helper, split out from ...
1711         (DFS): ... here.  Make the DFS walk non-recursive.
1712
1713 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
1714             Jan Sjodin  <jan.sjodin@amd.com>
1715
1716         PR tree-optimization/36181
1717         * tree-parloops.c (loop_has_vector_phi_nodes): New.
1718         (parallelize_loops): Don't parallelize when the loop has vector
1719         phi nodes.
1720
1721 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
1722             Sebastian Pop  <sebastian.pop@amd.com>
1723
1724         * tree-loop-linear.c (gather_interchange_stats): Look in the access
1725         matrix, and never look at the tree representation of the memory
1726         accesses.
1727         (linear_transform_loops): Computes parameters and access matrices.
1728         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
1729         when fails.
1730         (access_matrix_get_index_for_parameter): New.
1731         * tree-data-ref.h (struct access_matrix): New.
1732         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
1733         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
1734         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
1735         am_vector_index_for_loop): New.
1736         (struct data_reference): Add field access_matrix.
1737         (DR_ACCESS_MATRIX): New.
1738         (compute_data_dependences_for_loop): Update declaration.
1739         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
1740         * lambda.h (lambda_vector_vec_p): Declared.
1741         * lambda-code.c: Depend on pointer-set.h.
1742         (lambda_collect_parameters_from_af, lambda_collect_parameters,
1743         av_for_af_base, av_for_af, build_access_matrix,
1744         lambda_compute_access_matrices): New.
1745         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
1746
1747 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
1748
1749         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
1750         $SOURCEDIR/include.
1751
1752 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
1753             Sebastian Pop  <sebastian.pop@amd.com>
1754
1755         PR tree-optimization/36206
1756         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
1757         FOLD_CONVERSIONS.
1758         (instantiate_scev_1): Rename flags to fold_conversions.
1759         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
1760         outeside instantiation_loop.
1761         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
1762         (evolution_function_is_affine_or_constant_p): Removed.
1763         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
1764         instantiate_scev.
1765         (analyze_siv_subscript): Pass in the loop nest number.
1766         Call evolution_function_is_affine_in_loop instead of
1767         evolution_function_is_affine_p.
1768         (analyze_overlapping_iterations): Pass in the loop nest number.
1769
1770 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
1771             Sebastian Pop  <sebastian.pop@amd.com>
1772
1773         PR tree-optimization/36206
1774         * tree-chrec.h (chrec_fold_op): New.
1775         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
1776         and other trees.
1777
1778 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
1779
1780         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
1781         (DIRS_EQ): New.
1782         (remove_duplicates): Do not set inode on non-inode systems.
1783         Use DIRS_EQ.
1784
1785 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
1786
1787         * config.gcc (tm_file): Update comments about relative pathnames.
1788
1789 2008-05-20  Richard Guenther  <rguenther@suse.de>
1790
1791         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
1792         * tree-ssa-sccvn.c (process_scc): Likewise.
1793         * tree-ssa-sink.c (execute_sink_code): Likewise.
1794         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
1795         * tree-vrp.c (process_assert_insertions): Likewise.
1796         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
1797         (perform_tree_ssa_dce): Likewise.
1798         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1799         (dump_dominator_optimization_stats): Likewise.
1800         * tree-vectorizer.c (vectorize_loops): Likewise.
1801
1802 2008-05-20  Richard Guenther  <rguenther@suse.de>
1803
1804         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
1805
1806 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
1807
1808         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
1809         (ix86_i386elf_return_in_memory): Likewise.
1810         (ix86_i386interix_return_in_memory): Likewise.
1811         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
1812         (SUBTARGET_RETURN_IN_MEMORY): New.
1813         * config/i386/i386elf.h: Likewise.
1814         * config/i386/ptx4-i.h: Likewise.
1815         * config/i386/sol2-10.h: Likewise.
1816         * config/i386/sysv4.h: Likewise.
1817         * config/i386/vx-common.h: Likewise.
1818         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
1819         * config/i386/i386.c (ix86_return_in_memory): Made static and
1820         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
1821         (ix86_i386elf_return_in_memory): Removed.
1822         (ix86_i386interix_return_in_memory): Removed.
1823         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
1824         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
1825
1826 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
1827
1828         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
1829
1830 2008-05-19  Xinliang David Li  <davidxl@google.com>
1831
1832         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
1833         * opts.c: Ditto.
1834         * common.opt: Ditto.
1835         * doc/invoke.texi: Ditto.
1836
1837 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1838
1839         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
1840         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
1841
1842 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
1843
1844         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
1845         sizes of operand array from 8/4 to 4/2.
1846         (ix86_expand_vector_init_general): Change size of operand array
1847         from 32 to 16.  Remove op0, op1 and half_mode.
1848
1849 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
1850
1851         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
1852         (ix86_expand_vector_init_interleave): Likewise.
1853         (ix86_expand_vector_init_general): Use them.  Assert
1854         word_mode == SImode when n_words == 4.
1855
1856 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
1857
1858         * config/i386/i386.c (ix86_secondary_reload): New static function.
1859         (TARGET_SECONDARY_RELOAD): New define.
1860         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
1861         * config/i386/i386.md (reload_outqi): Remove.
1862
1863 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1864
1865         PR middle-end/35509
1866         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
1867         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
1868         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
1869         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
1870         (fold_builtin_1): Likewise.
1871         * builtins.def (BUILT_IN_ISINF_SIGN): New.
1872         c-common.c (check_builtin_function_arguments): Handle
1873         BUILT_IN_ISINF_SIGN.
1874         * doc/extend.texi: Document __builtin_isinf_sign.
1875         * fold-const.c (operand_equal_p): Handle COND_EXPR.
1876
1877 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
1878
1879         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
1880         EH cleanup at the end of the pass, search for those that have been
1881         turned into forwarder blocks and do the cleanup on their successor.
1882
1883 2008-05-18  Richard Guenther  <rguenther@suse.de>
1884
1885         * tree-cfg.c (verify_gimple_expr): Allow conversions from
1886         pointers to sizetype and vice versa.
1887
1888 2008-05-18 Xinliang David Li   <davidxl@google.com>
1889
1890         * gcc/tree-ssa-dce.c: Coding style fix.
1891         (check_pow): Documentation comment.
1892         (check_log): Documenation comment. Coding style fix.
1893         (is_unnecessary_except_errno_call): Ditto.
1894         (gen_conditions_for_pow): Ditto.
1895         (gen_conditions_for_log): Ditto.
1896         (gen_shrink_wrap_conditions): Ditto.
1897         (shrink_wrap_one_built_in_calls): Ditto.
1898         * gcc/doc/invoke.texi: Better documentation string.
1899         * ChangeLog: Fix wrong change log entries from
1900         May 17 checkin on function call DCE.
1901
1902 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1903
1904         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
1905
1906 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
1907
1908         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
1909         * df-problems.c (simulation routines): Fixed block comment to
1910         properly say how to add forwards scanning functions.
1911
1912 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
1913
1914         * tree-inline.c (setup_one_parameter): Remove dead code.
1915
1916 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
1917
1918         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
1919         a BIT_AND_EXPR only for an INTEGER_TYPE.
1920
1921 2008-05-17 Xinliang David Li   <davidxl@google.com>
1922
1923         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
1924         (check_pow, check_log, is_unnecessary_except_errno_call): New
1925         functions to check for eliminating math functions that are pure
1926         except for setting errno.
1927         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
1928         general condition expressions for shrink-wrapping pow/log calls.
1929         (gen_shrink_wrap_conditions): Ditto.
1930         (shrink_wrap_one_built_in_call): Ditto.
1931         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
1932         (mark_operand_necessary): If debugging, output if OP is necessary.
1933         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
1934         unnecessary.
1935         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
1936         opt level >= 2.
1937         * gcc/common.opt: New user flag -ftree-builtin-dce.
1938         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
1939
1940 2008-05-16  David S. Miller  <davem@davemloft.net>
1941
1942         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
1943         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
1944
1945 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
1946
1947         PR target/36246
1948         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
1949
1950 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
1951
1952         * ifcvt.c (dead_or_predicable): Rename
1953         df_simulate_one_insn_backwards to df_simulate_one_insn.
1954         * recog.c (peephole2_optimize): Ditto.
1955         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
1956         Ditto.
1957         * df.h: Rename df_simulate_one_insn_backwards to
1958         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
1959         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
1960         scanning of defs and uses.
1961         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
1962         (df_simulate_one_insn_forwards): Removed.
1963
1964 2008-05-16  Doug Kwan  <dougkwan@google.com>
1965
1966         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
1967         QNaN & SNaN.
1968         (real_from_string): Handle NaNs and Inf as approriate.
1969
1970 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
1971
1972         * doc/gty.texi (Source Files Containing Type Information): Note
1973         that headers should appear first in the gtfiles list.
1974
1975 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
1976
1977         * tree.def (COND_EXEC): Properly documented this code.
1978
1979 2008-05-16  Diego Novillo  <dnovillo@google.com>
1980
1981         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
1982         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
1983         the new field.
1984
1985 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
1986
1987         * tree-ssa-dse (max_stmt_uid): Removed.
1988         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
1989         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
1990         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
1991         * function.h (cfun.last_stmt_uid): New field.
1992         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
1993         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
1994         New functions.
1995         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
1996         (create_stmt_ann): Initialize the ann->uid field.
1997         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
1998         with new calls.
1999         * tree-flow.h (renumber_gimple_stmt_uids): New function.
2000
2001 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
2002
2003         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
2004         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
2005         (init_empty_tree_cfg): Call it.
2006
2007 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2008
2009         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
2010         Update all users.
2011
2012 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
2013
2014         * doc/invoke.text (-fdump-tree-*-verbose): New option.
2015         * tree-dump.c (dump_options): New verbose option.
2016         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
2017         Add verbose dump.
2018         * tree-pass.h (TDF_VERBOSE): New dump flag.
2019         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
2020         (tree-flow.h): Added include.
2021         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
2022
2023 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2024
2025         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
2026
2027         From Jie Zhang  <jie.zhang@analog.com>
2028         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2029         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
2030         mcpu=bf561-none and mcpu=bf561-0.2.
2031         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2032         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2033         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2034         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
2035         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
2036         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
2037         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
2038         option.
2039         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
2040         (cputype_selected): Remove.
2041         (bfin_handle_option): Don't use cputype_selected.
2042         (override_options): When no mcpu option, enable all workarounds.
2043         Don't use bfin_workarounds.
2044         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
2045         processor type.
2046         (DEFAULT_CPU_TYPE): Don't define.
2047
2048 2008-05-16  Richard Guenther  <rguenther@suse.de>
2049
2050         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
2051         on deletion of the last stmt.
2052
2053 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2054
2055         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
2056         V8HImode for SSE2 and V16QImode for SSE4.1.
2057
2058 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
2059
2060         * cgraph.h (compute_inline_parameters): Made public.
2061         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
2062         variable_generate_summary, function_write_summary,
2063         variable_write_summary, variable_read_summary.  Added generate_summary,
2064         write_summary, read_summary.
2065         * cgraphunit.c (cgraph_process_new_functions): Changed call from
2066         pass_ipa_inline.function_generate_summary, to
2067         compute_inline_parameters.
2068         * ipa-inline.c (compute_inline_parameters): Made public and added
2069         node parameter.
2070         (compute_inline_parameters_for_current): New function.
2071         (pass_inline_param): Now calls compute_inline_parameters_for_current.
2072         (inline_generate_summary): Removed parameter and made to loop over
2073         all cgraph nodes.
2074         (pass_ipa_inline): Updated for new IPA_PASS structure.
2075         * passes.c (execute_ipa_summary_passes): Now is called once per
2076         pass rather than once per node*pass.
2077
2078 2008-05-15  Anatoly Sokolov <aesok@post.ru>
2079
2080         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
2081         avr_have_mul_p, avr_asm_only_p): Remove variables.
2082         (avr_override_options): Remove initialization of removed variables.
2083         (avr_file_start):  Convert removed variables to fields of
2084         'struct base_arch_s *avr_current_arch'.
2085         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
2086         (AVR_HAVE_MUL): (Ditto.).
2087         (AVR_HAVE_MOVW): (Ditto.).
2088         (AVR_HAVE_LPMX): (Ditto.).
2089         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
2090         avr_asm_only_p): Remove declaration.
2091
2092 2008-05-15  Diego Novillo  <dnovillo@google.com>
2093
2094         * config/arm/arm.c (arm_return_in_memory): Fix return type.
2095         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
2096
2097 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
2098
2099         PR middle-end/36194
2100         * combine.c (check_conversion): Rename back to check_promoted_subreg.
2101         Don't call record_truncated_value from here.
2102         (record_truncated_value): Turn it into a for_each_rtx callback.
2103         (record_truncated_values): New function.
2104         (combine_instructions): Call note_uses with record_truncated_values.
2105         Change name of check_conversion to check_promoted_subreg.
2106
2107 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
2108
2109         * doc/sourcebuild.texi: Document support for torture tests.
2110
2111 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2112
2113         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
2114         to alternative 4 of operand 2.
2115
2116 2008-05-15  Richard Guenther  <rguenther@suse.de>
2117
2118         * tree-pass.h (current_pass): Declare.
2119         (get_pass_for_id): Likewise.
2120         * passes.c (passes_by_id, passes_by_id_size): New globals.
2121         (set_pass_for_id): New function.
2122         (get_pass_for_id): Likewise.
2123         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
2124         (execute_function_todo): Flush per function statistics.
2125         * toplev.c (compile_file): Init statistics.
2126         (general_init): Do early statistics initialization.
2127         (finalize): Finish statistics.
2128         * statistics.h (statistics_early_init): Declare.
2129         (statistics_init): Likewise.
2130         (statistics_fini): Likewise.
2131         (statistics_fini_pass): Likewise.
2132         (statistics_counter_event): Likewise.
2133         (statistics_histogram_event): Likewise.
2134         * statistics.c: New file.
2135         * Makefile.in (OBJS-common): Add statistics.o.
2136         (statistics.o): Add dependencies.
2137         * doc/invoke.texi (-fdump-statistics): Document.
2138
2139         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
2140         (insert): Likewise.
2141         (execute_pre): Use statistics_counter_event.
2142         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
2143         (substitute_and_fold): Increment it.  Use statistics_counter_event.
2144
2145 2008-05-15  Diego Novillo  <dnovillo@google.com>
2146
2147         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
2148
2149         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
2150         * tree-ssa-alias.c (new_type_alias): Remove references to
2151         sub-variables from comment.
2152         * tree-ssa-operands.c (swap_tree_operands): Likewise.
2153
2154 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2155
2156         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
2157         attribute to 1 only for insertps alternative.
2158
2159 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2160
2161         * config/bfin/bfin.md (loadbytes): New pattern.
2162         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
2163         (bfin_init_builtins): Initialize it.
2164         (bdesc_1arg): Add it.
2165
2166 2008-05-15  Sa Liu  <saliu@de.ibm.com>
2167
2168         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
2169         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
2170         * testsuite/lib/target-supports.exp: Add
2171         check_effective_target_fortran_integer_16.
2172
2173 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2174
2175         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
2176         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
2177         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
2178         (TARGET_RETURN_IN_MEMORY): Define.
2179
2180 2008-05-15  Richard Guenther  <rguenther@suse.de>
2181
2182         PR middle-end/36244
2183         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
2184         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
2185         represent unmodifiable vars.
2186
2187 2008-05-15  Richard Guenther  <rguenther@suse.de>
2188
2189         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
2190         INDIRECT_REF and TARGET_MEM_REF.
2191         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2192         TARGET_MEM_REF.
2193
2194 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
2195             H.J. Lu  <hongjiu.lu@intel.com>
2196
2197         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
2198         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
2199         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
2200         insn alternatives.  Add missing alternatives.
2201         (*vec_concatv2di_rex64_sse4_1): Likewise.
2202         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
2203         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
2204         Require TARGET_SSE.
2205
2206 2008-05-15  Richard Guenther  <rguenther@suse.de>
2207
2208         PR tree-optimization/36009
2209         PR tree-optimization/36204
2210         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
2211         (determine_invariantness_stmt): Record the loop a store is
2212         always executed in.
2213         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
2214         dependency.
2215
2216 2008-05-15  Richard Guenther  <rguenther@suse.de>
2217
2218         PR tree-optimization/34330
2219         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
2220         through the pointer will alias the SMT.
2221
2222 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
2223
2224         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
2225
2226 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
2227
2228         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
2229
2230 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2231             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2232
2233         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
2234         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
2235         (vashl_optab): New optab for vector/vector shifts.
2236         (vashr_optab): Ditto.
2237         (vlshr_optab): Ditto.
2238         (vrotl_optab): Ditto.
2239         (vrotr_optab): Ditto.
2240         (optab_subtype): New enum for optab_for_tree_code call.
2241         (optab_for_tree_code): Add enum optab_subtype argument.
2242
2243         * optabs.c (optab_for_tree_code): Take an additional argument to
2244         distinguish between a vector shift by a scalar and vector shift by
2245         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
2246         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
2247         vector shift by a vector.
2248         (expand_widen_pattern_expr): Pass additional argument to
2249         optab_for_tree_code.
2250
2251         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
2252         vrotl_optab, vrotr_optab.
2253
2254         * expr.c (expand_expr_real_1): Update calls to
2255         optab_for_tree_code to distinguish between vector shifted by a
2256         scalar and vector shifted by a vector.
2257         * tree-vectorizer.c (supportable_widening_operation): Ditto.
2258         (supportable_narrowing_operation): Ditto.
2259         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
2260         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
2261         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
2262         (vect_create_epilog_for_reduction): Ditto.
2263         (vectorizable_reduction): Ditto.
2264         (vectorizable_operation): Ditto.
2265         (vect_strided_store_supported): Ditto.
2266         (vect_strided_load_supported): Ditto.
2267         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
2268         * expmed.c (expand_shift): Ditto.
2269
2270         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
2271         scalar type.
2272         (ashr@var{m}3): Ditto.
2273         (vashl@var{m}3): Document new vector/vector shift standard name.
2274         (vashr@var{m}3): Ditto.
2275         (vlshr@var{m}3): Ditto.
2276         (vrotl@var{m}3): Ditto.
2277         (vrotr@var{m}3): Ditto.
2278
2279         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
2280         (PPERM_INVERT): Ditto.
2281         (PPERM_REVERSE): Ditto.
2282         (PPERM_REV_INV): Ditto.
2283         (PPERM_ZERO): Ditto.
2284         (PPERM_ONES): Ditto.
2285         (PPERM_SIGN): Ditto.
2286         (PPERM_INV_SIGN): Ditto.
2287         (PPERM_SRC1): Ditto.
2288         (PPERM_SRC2): Ditto.
2289
2290         * config/i386/sse.md (mulv2di3): Add SSE5 support.
2291         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
2292         allows a memory operand to be the value being added, and split it
2293         to improve vectorization.
2294         (sse5_pmacsdqh_mem): Ditto.
2295         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
2296         (sse5_mulv2div2di3_high): Ditto.
2297         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
2298         (vec_pack_trunc_v4si): Ditto.
2299         (vec_pack_trunc_v2di): Ditto.
2300         (sse5_pcmov_<mode>): Remove code that tried to use use
2301         andps/andnps instead of pcmov.
2302         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
2303         pmacsdqh instructions.
2304         (vec_widen_smult_lo_v4si): Ditto.
2305
2306         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
2307         (PPERM_INVERT): Ditto.
2308         (PPERM_REVERSE): Ditto.
2309         (PPERM_REV_INV): Ditto.
2310         (PPERM_ZERO): Ditto.
2311         (PPERM_ONES): Ditto.
2312         (PPERM_SIGN): Ditto.
2313         (PPERM_INV_SIGN): Ditto.
2314         (PPERM_SRC1): Ditto.
2315         (PPERM_SRC2): Ditto.
2316         (ix86_expand_sse_movcc): Move the SSE5 test after the if
2317         true/false tests.
2318         (ix86_expand_int_vcond): If SSE5 generate all possible integer
2319         comparisons.
2320         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
2321         says ignore whether the last reference is a memory operand.
2322
2323 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2324             Paolo Bonzini <bonzini at gnu dot org>
2325
2326         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
2327         shift patterns.
2328
2329         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
2330         (vlshr<mode>3): Rename from vlshr<mode>3.
2331         (vashr<mode>3): Rename from vashr<mode>3.
2332         (mulv4sf3): Change the names of vector shift patterns.
2333         (mulv4si3): Ditto.
2334         (negv4sf2): Ditt.
2335
2336         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
2337         shift insns.
2338
2339         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
2340         (SI_SHLHI): Ditto.
2341         (SI_SHL): Ditto.
2342         (SI_SHLI): Ditto.
2343         (SI_ROTH): Ditto.
2344         (SI_ROTHI): Ditto.
2345         (SI_ROT): Ditto.
2346         (SI_ROTI): Ditto.
2347         (SPU_RL_0): Ditto.
2348         (SPU_RL_1): Ditto.
2349         (SPU_RL_2): Ditto.
2350         (SPU_RL_3): Ditto.
2351         (SPU_RL_4): Ditto.
2352         (SPU_RL_5): Ditto.
2353         (SPU_RL_6): Ditto.
2354         (SPU_RL_7): Ditto.
2355         (SPU_SL_0): Ditto.
2356         (SPU_SL_1): Ditto.
2357         (SPU_SL_2): Ditto.
2358         (SPU_SL_3): Ditto.
2359         (SPU_SL_4): Ditto.
2360         (SPU_SL_5): Ditto.
2361         (SPU_SL_6): Ditto.
2362         (SPU_SL_7): Ditto.
2363
2364         * config/spu/spu.md (v): New iterator macro to add v for vector types.
2365         (floatunssidf2_internal): Change vector/vector shift names.
2366         (floatunsdidf2_internal): Ditto.
2367         (mulv8hi3): Ditto.
2368         (ashrdi3): Ditto.
2369         (ashrti3): Ditto.
2370         (cgt_df): Ditto.
2371         (cgt_v2df): Ditto.
2372         (dftsv): Ditto.
2373         (vashl<mode>3): Rename from ashl<mode>3.
2374         (vashr<mode>3): Rename from ashr<mode>3.
2375         (vlshr<mode>3): Rename from lshr<mode>3.
2376         (vrotl<mode>3): Rename from rotl<mode>3.
2377
2378 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
2379
2380         PR target/36224
2381         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
2382         multiply gives the wrong value when doing widening multiplies.
2383         (vec_widen_smult_lo_v4si): Ditto.
2384
2385 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
2386
2387         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
2388         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
2389         emit_library_call_value.
2390         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
2391         * tree.h (ECF_LIBCALL_BLOCK): Removed.
2392         * calls.c (initialize_argument_information, precompute_arguments,
2393         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
2394         (precompute_arguments): Removed flags parameter.
2395         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
2396
2397 2008-05-14  Richard Guenther  <rguenther@suse.de>
2398
2399         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
2400         Make sure to register the store if the use is a PHI_NODE.
2401
2402 2008-05-14  Olivier Hainque  <hainque@adacore.com>
2403
2404         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
2405         memory if the component is to be referenced in BLKmode according
2406         to get_inner_reference.
2407
2408 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
2409
2410         * calls.c (emit_library_call_value_1): Restore code clearing
2411         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
2412
2413 2008-05-14  Olivier Hainque  <hainque@adacore.com>
2414             Nicolas Roche  <roche@adacore.com>
2415
2416         * configure.ac: Add support for a "gcc_subdir" variable in
2417         config-lang.in, to denote a subdirectory where the language/GCC
2418         integration files are to be found.
2419         * configure: Regenerate.
2420
2421 2008-05-14  Ira Rosen  <irar@il.ibm.com>
2422
2423         PR tree-optimization/36098
2424         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
2425         value for the first load in the group in case of a gap.
2426         (vect_build_slp_tree): Check that there are no gaps in loads.
2427
2428 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
2429
2430         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
2431         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
2432         expand_copysign_bit, ): Change call to emit_no_conflict_block to
2433         emit_insn and remove unneeded code to construct extra args.
2434         (emit_no_conflict_block): Removed.
2435         * optabls.h: (emit_no_conflict_block): Removed.
2436         * cse.c (cse_extended_basic_block): Remove search for
2437         REG_NO_CONFLICT note.
2438         * global.c: Removed incorrect comment added in revision 117.
2439         * expr.c (convert_move): Change call to emit_no_conflict_block to
2440         emit_insn.
2441         * recog.c: Change comments so that they do not mention
2442         REG_NO_CONFLICT.
2443         * local_alloc.c (combine_regs): Removed last parameter.
2444         (no_conflict_p): Removed.
2445         (block_alloc): Removed note, no_conflict_combined_regno and set
2446         local vars. Removed all code to process REG_NO_CONFLICT blocks.
2447         (combine_regs): Removed already_dead and code to look for
2448         REG_NO_CONFLICT notes.
2449         * lower_subreg (remove_retval_note): Removed code to look for
2450         REG_NO_CONFLICT block.
2451         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
2452         (resolve_clobber): Remove code to process libcalls that have
2453         REG_NO_CONFLICT notes.
2454         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
2455         case.
2456         * combine.c (can_combine_p, distribute_notes):  Removed
2457         REG_NO_CONFLICT case.
2458         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
2459         to emit_insns.
2460         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
2461         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
2462         Ditto.
2463         * reg-notes.def (NO_CONFLICT): Removed.
2464
2465 2008-05-14  David S. Miller  <davem@davemloft.net>
2466
2467         * config/sparc/sparc.c (sparc_profile_hook): If
2468         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
2469         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
2470         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
2471
2472 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2473
2474         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
2475
2476 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
2477
2478         PR target/36222
2479         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
2480         and op1 expansion before vector concat to have less live pseudos.
2481
2482 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
2483
2484         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2485         ix86_expand_vector_set if supported.
2486
2487 2008-05-13  Diego Novillo  <dnovillo@google.com>
2488             Kenneth Zadeck  <zadeck@naturalbridge.com>
2489
2490         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
2491
2492         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
2493         phinodes_print_statistics, init_ssanames, fini_ssanames,
2494         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
2495         release_ssa_name, release_defs, replace_ssa_name_symbol,
2496         ssanames_print_statistics): Move ...
2497         * tree-flow.h: ... here.
2498         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
2499         Use FN instead of cfun.
2500         (make_ssa_name_fn): Rename from make_ssa_name.
2501         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
2502         * tree-flow-inline.h (make_ssa_name): Move from
2503         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
2504         * omp-low.c (expand_omp_parallel):
2505         * tree-flow-inline.h (redirect_edge_var_map_result):
2506         * tree-ssa.c (init_tree_ssa): Add argument FN.
2507         Use it instead of cfun.  Update all users.
2508
2509 2008-05-13  Tom Tromey  <tromey@redhat.com>
2510
2511         PR preprocessor/22168:
2512         * doc/cpp.texi (Top): Update menu.
2513         (Alternatives to Wrapper #ifndef): New node.
2514         (Other Directives): Document deprecation.
2515         (Obsolete Features): Remove menu.
2516         (Assertions): Merge node into Obsolete Features.
2517         (Obsolete once-only headers): Move earlier; rename to Alternatives
2518         to Wrapper #ifndef.
2519         * doc/cppopts.texi: Update.
2520         * c.opt (Wdeprecated): Enable for C and ObjC.
2521         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
2522         (C++ Dialect Options): Move -Wno-deprecated from here to...
2523         (Warning Options): ... here.
2524
2525 2008-05-13  Richard Guenther  <rguenther@suse.de>
2526
2527         PR middle-end/36227
2528         * fold-const.c (fold_sign_changed_comparison): Do not allow
2529         changes in pointer-ness.
2530
2531 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2532
2533         PR target/24713
2534         * config/sh/sh.c (sh_expand_prologue): Don't clear
2535         RTX_FRAME_RELATED_P for push insns.
2536
2537 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
2538
2539         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
2540
2541 2008-05-12  Anatoly Sokolov <aesok@post.ru>
2542
2543         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
2544         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
2545         Use 'machine->is_leaf' instead of 'leaf_func_p'.
2546
2547 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
2548
2549         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
2550         (*vec_concatv4sf_sse): This.
2551         (*sse2_concatv2si): Renamed to ...
2552         (*vec_concatv2si_sse2): This.
2553         (*sse1_concatv2si): Renamed to ...
2554         (*vec_concatv2si_sse): This.
2555         (*vec_concatv2di_rex): Renamed to ...
2556         (*vec_concatv2di_rex64): This.
2557         (*vec_concatv2si_sse4_1): New.
2558         (*vec_concatv2di_rex64_sse4_1): Likewise.
2559
2560 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
2561
2562         PR rtl-optimization/36111
2563         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
2564         that was created for swappable operands.
2565
2566 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
2567
2568         PR ada/36001
2569         * Makefile.in: Substitute GNATMAKE and GNATBIND.
2570         * configure.ac: Add call to ACX_PROG_GNAT.
2571
2572 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
2573
2574         * optc-gen.awk: Fix comment typo.
2575
2576 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
2577
2578         * pretty-print.c (pp_integer_with_precision): Use
2579         HOST_LONG_LONG_FORMAT.
2580
2581 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
2582
2583         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
2584
2585 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
2586
2587         * config/i386/i386.c (bdesc_ptest): Removed.
2588         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
2589         (bdesc_args): Add __builtin_ia32_ptestz128,
2590         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
2591         (ix86_init_mmx_sse_builtins): Updated.
2592         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
2593         (ix86_expand_builtin): Updated.
2594
2595 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
2596
2597         * tree-cfg.c (valid_fixed_convert_types_p): New function.
2598         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
2599
2600 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
2601
2602         * value-prof.c (interesting_stringop_to_profile): Do not
2603         return early for BUILT_IN_MEMPCPY.
2604
2605 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
2606
2607         * calls.c (expand_call): Don't use callgraph to increase
2608         preferred_stack_boundary.
2609
2610         * cgraph.h (cgraph_rtl_info): Use unsigned on
2611         preferred_incoming_stack_boundary.
2612
2613         * final.c (rest_of_clean_state): Use unsigned on
2614         preferred_stack_boundary.
2615
2616 2008-05-09  Tom Tromey  <tromey@redhat.com>
2617
2618         PR preprocessor/22231:
2619         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
2620         proceeding.
2621
2622 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
2623
2624         PR tree-optimization/36129
2625         * tree-ssa-ccp.c: Include value-prof.h.
2626         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
2627         built-in function was folded to a constant.
2628         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
2629
2630 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
2631             Sebastian Pop  <sebastian.pop@amd.com>
2632
2633         * tree-scalar-evolution.c: Document instantiate_scev.
2634         (instantiate_parameters_1): Renamed instantiate_scev_1.
2635         Don't use the same loop for instantiation_loop and evolution_loop.
2636         (instantiate_scev): New.
2637         (instantiate_parameters): Moved...
2638         (resolve_mixers): Update call to instantiate_scev_1 to pass the
2639         same loop twice.  Maintains the semantics for this function.
2640         * tree-scalar-evolution.h (instantiate_scev): Declare.
2641         (instantiate_parameters): ...here.  Now static inline.
2642         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
2643         instead of resolve_mixers.
2644
2645 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
2646
2647         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
2648
2649 2008-05-09  Tomas Bily  <tbily@suse.cz>
2650
2651         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
2652         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
2653         * tree-ssa-structalias.c (get_constraint_for): Likewise.
2654         * c-common.c (c_common_truthvalue_conversion): Likewise.
2655         * tree-object-size.c (compute_object_offset): Likewise.
2656         * tree-inline.c (estimate_num_insns_1): Likewise.
2657         * varasm.c (const_hash_1, compare_constant, copy_constant)
2658         (compute_reloc_for_constant, output_addressed_constants)
2659         (initializer_constant_valid_p): Likewise.
2660         * c-omp.c (check_omp_for_incr_expr): Likewise.
2661         * gimplify.c (gimplify_expr): Likewise.
2662         * c-typeck.c (c_finish_return): Likewise.
2663         * tree-vectorizer.c (supportable_widening_operation)
2664         (supportable_narrowing_operation): Likewise.
2665         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
2666         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
2667         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
2668         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
2669         (descr_info_loc): Likewise.
2670         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
2671         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
2672         (fold_unary): Likewise.
2673         * builtins.c (get_pointer_alignment): Likewise.
2674         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
2675         (instantiate_parameters_1): Likewise.
2676         * tree.c (expr_align, stabilize_reference): Likewise.
2677         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2678         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
2679         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
2680         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
2681         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
2682         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
2683         Likewise.
2684         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
2685         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
2686         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
2687         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
2688         (forward_propagate_comparison)
2689         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2690         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
2691         * emit-rtl.c (component_ref_for_mem_expr)
2692         (set_mem_attributes_minus_bitpos): Likewise.
2693         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
2694         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
2695         Likewise.
2696         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
2697         (build_function_call, pointer_diff, build_compound_expr)
2698         (c_finish_return): Likewise.
2699         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
2700         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
2701         Likewise.
2702         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
2703         * expr.c (is_aligning_offset): Likewise.
2704         * tree-ssa-alias.c (is_escape_site): Likewise.
2705         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
2706         (check_all_va_list_escapes): Likewise.
2707         * tree-ssa-loop-ivopts.c (determine_base_object)
2708         (determine_common_wider_type): Likewise.
2709         * dojump.c (do_jump): Likewise.
2710         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
2711         * tree-gimple.c (is_gimple_cast): Likewise.
2712         * fold-const.c (decode_field_reference, )
2713         (fold_sign_changed_comparison, fold_unary, fold_comparison)
2714         (fold_binary): Likewise.
2715         * tree-ssa-alias-warnings.c (find_alias_site_helper)
2716         (already_warned_in_frontend_p): Likewise.
2717         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
2718         * tree.c (really_constant_p, get_unwidened): Likewise.
2719         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
2720         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
2721         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
2722         Likewise.
2723         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
2724         CONVERT_EXPR_P.
2725         (CONVERT_EXPR_P): Define.
2726         (CASE_CONVERT): Define.
2727
2728 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
2729
2730         PR middle-end/36117
2731         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
2732         (delete_unmarked_insns): When deleting a call, call
2733         delete_unreachable_blocks.
2734         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
2735         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
2736
2737 2008-05-08  Richard Guenther  <rguenther@suse.de>
2738
2739         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
2740         (-ftree-salias): Likewise.
2741         (salias-max-implicit-fields): Remove param documentation.
2742         (salias-max-array-elements): Likewise.
2743         * tree-pass.h (pass_create_structure_vars): Remove.
2744         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
2745         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
2746         * tree-ssa-alias.c (create_structure_vars): Remove.
2747         (gate_structure_vars): Likewise.
2748         (pass_create_structure_vars): Likewise.
2749         (gate_build_alias): Likewise.
2750         (pass_build_alias): Adjust to run always and dump the function.
2751         * common.opt (ftree-salias): Hide.
2752         * passes.c (init_optimization_passes): Remove
2753         pass_create_structure_vars, adjust comment.
2754         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
2755         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
2756         * opts.c (decode_options): Do not set flag_tree_salias.
2757         (common_handle_option): Add OPT_ftree_salias to the backward
2758         compatibility section.
2759
2760 2008-05-08  Richard Guenther  <rguenther@suse.de>
2761
2762         * tree-flow-inline.h (var_can_have_subvars): Move ...
2763         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
2764         * tree-flow.h (var_can_have_subvars): Remove.
2765         (push_fields_onto_fieldstack): Remove.
2766         (sort_fieldstack): Likewise.
2767         (struct fieldoff): Move ...
2768         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
2769         alias_set and base_for_components fields.
2770         (sort_fieldstack): Make static.
2771         (push_fields_onto_fieldstack): Likewise.  Remove code that
2772         handles anything but RECORD_TYPEs.  Remove alias_set and
2773         base_for_components handling.
2774         (create_variable_info_for): Adjust.
2775
2776 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
2777
2778         * common.opt (Wframe-larger-than=): Shorten the help message
2779         to one line.
2780         * doc/invoke.texi (Wframe-larger-than=): Add more description.
2781
2782 2008-05-08  Rafael Espindola  <espindola@google.com>
2783
2784         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
2785         trap.
2786         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
2787         trap and that both operands are gimple values.
2788         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
2789         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
2790         is a fp operation.
2791
2792 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2793
2794         * read-rtl.c (join_c_conditions): Return the first string if the
2795         two strings are equal.
2796
2797 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2798
2799         * gensupport.h (pred_data): Add a "num_codes" field.
2800         (add_predicate_code): Declare.
2801         * gensupport.c (add_predicate_code): New function.
2802         (std_pred_table): Add an "allows_const_p" field.
2803         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
2804         Remove the (incomplete) list of such codes from the codes field.
2805         (init_predicate_table): Use add_predicate_code.  Add all
2806         RTX_CONST_OBJs if allows_const_p is true.
2807         * genrecog.c (process_define_predicate): Use add_predicate_code.
2808
2809 2008-05-08  David Daney  <ddaney@avtrex.com>
2810             Richard Sandiford  <rsandifo@nildram.co.uk>
2811
2812         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
2813         special case of constant zero operands.
2814         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
2815         old and new values.  Special case constant zero values.
2816         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
2817         fails.
2818         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
2819         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
2820
2821 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
2822
2823         PR target/36090
2824         * simplify-rtx.c (simplify_plus_minus): Create CONST of
2825         similar RTX_CONST_OBJ before CONST_INT.
2826
2827 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
2828
2829         * stmt.c (expand_stack_restore): Change sa mode if needed.
2830
2831 2008-05-08  Richard Guenther  <rguenther@suse.de>
2832
2833         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
2834         return type to bool.
2835         (ix86_sol10_return_in_memory): Likewise.
2836         (ix86_i386elf_return_in_memory): Likewise.
2837         (ix86_i386interix_return_in_memory): Likewise.
2838         * config/i386/i386.c (ix86_return_in_memory): Likewise.
2839         (ix86_sol10_return_in_memory): Likewise.
2840         (ix86_i386elf_return_in_memory): Likewise.
2841         (ix86_i386interix_return_in_memory): Likewise.
2842
2843 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
2844
2845         PR bootstrap/36180
2846         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
2847         fndecl argument.
2848         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
2849         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
2850         declared in front.
2851
2852 2008-05-08  Richard Guenther  <rguenther@suse.de>
2853
2854         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
2855         * tree-data-ref.h (struct dr_alias): Remove subvars field.
2856         (DR_SUBVARS): Remove.
2857         * tree-dfa.c (dump_subvars_for): Remove.
2858         (debug_subvars_for): Likewise.
2859         (dump_variable): Do not dump subvars.
2860         (remove_referenced_var): Do not remove subvars.
2861         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
2862         (lookup_subvars_for_var): Remove.
2863         (get_subvars_for_var): Likewise.
2864         (get_subvars_at): Likewise.
2865         (get_first_overlapping_subvar): Likewise.
2866         (overlap_subvar): Likewise.
2867         * tree-flow.h (subvar_t): Remove.
2868         (struct var_ann_d): Remove subvars field.
2869         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
2870         argument.  Remove special handling of SFTs.
2871         (compute_tag_properties): Likewise.
2872         (set_initial_properties): Likewise.
2873         (compute_call_clobbered): Likewise.
2874         (count_mem_refs): Likewise.
2875         (compute_memory_partitions): Likewise.
2876         (compute_flow_insensitive_aliasing): Likewise.
2877         (setup_pointers_and_addressables): Likewise.
2878         (new_type_alias): Likewise.
2879         (struct used_part): Remove.
2880         (used_portions): Likewise.
2881         (struct used_part_map): Likewise.
2882         (used_part_map_eq): Likewise.
2883         (used_part_map_hash): Likewise.
2884         (free_used_part_map): Likewise.
2885         (up_lookup): Likewise.
2886         (up_insert): Likewise.
2887         (get_or_create_used_part_for): Likewise.
2888         (create_sft): Likewise.
2889         (create_overlap_variables_for): Likewise.
2890         (find_used_portions): Likewise.
2891         (create_structure_vars): Likewise.
2892         * tree.def (STRUCT_FIELD_TAG): Remove.
2893         * tree.h (MTAG_P): Adjust.
2894         (struct tree_memory_tag): Remove base_for_components and
2895         unpartitionable flags.
2896         (struct tree_struct_field_tag): Remove.
2897         (SFT_PARENT_VAR): Likewise.
2898         (SFT_OFFSET): Likewise.
2899         (SFT_SIZE): Likewise.
2900         (SFT_NONADDRESSABLE_P): Likewise.
2901         (SFT_ALIAS_SET): Likewise.
2902         (SFT_UNPARTITIONABLE_P): Likewise.
2903         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
2904         (union tree_node): Remove sft field.
2905         * alias.c (get_alias_set): Remove special handling of SFTs.
2906         * print-tree.c (print_node): Remove handling of SFTs.
2907         * tree-dump.c (dequeue_and_dump): Likewise.
2908         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
2909         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
2910         * tree-predcom.c (set_alias_info): Do not set subvars.
2911         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
2912         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
2913         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
2914         (add_vars_for_offset): Remove.
2915         (add_virtual_operand): Remove special handling of SFTs.
2916         (add_call_clobber_ops): Likewise.
2917         (add_call_read_ops): Likewise.
2918         (get_asm_expr_operands): Likewise.
2919         (get_modify_stmt_operands): Likewise.
2920         (get_expr_operands): Likewise.
2921         (add_to_addressable_set): Likewise.
2922         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
2923         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2924         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
2925         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
2926         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
2927         (tree_node_structure): Likewise.
2928         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
2929         handling of SFTs.
2930         (find_what_p_points_to): Likewise.
2931
2932 2008-05-08  Sa Liu  <saliu@de.ibm.com>
2933
2934         * config/spu/spu.md: Fixed subti3 pattern.
2935
2936 2008-05-08  Richard Guenther  <rguenther@suse.de>
2937
2938         PR middle-end/36154
2939         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
2940         sure to create a representative for trailing arrays for PTA.
2941
2942 2008-05-08  Richard Guenther  <rguenther@suse.de>
2943
2944         PR middle-end/36172
2945         * fold-const.c (operand_equal_p): Two objects which types
2946         differ in pointerness are not equal.
2947
2948 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
2949
2950         * calls.c (compute_argument_block_size): Add argument tree fndecl.
2951         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
2952         (emit_library_call_value_1): Add new variable fndecl initialized by
2953         NULL_TREE. It should be the decl type of orgfun, but this information
2954         seems not to be available here, so it uses the default calling abi.
2955         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
2956         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
2957         by TARGET_RETURN_IN_MEMORY.
2958         * config/i386/i386-interix.h: Likewise.
2959         * config/i386/i386.h: Likewise.
2960         * config/i386/i386elf.h: Likewise.
2961         * config/i386/ptx4-i.h: Likewise.
2962         * config/i386/sol2-10.h: Likewise.
2963         * config/i386/sysv4.h: Likewise.
2964         * config/i386/vx-common.h: Likewise.
2965         * config/cris/cris.h: Removed #if 0 clause.
2966         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
2967         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
2968         argument.
2969         (ix86_sol10_return_in_memory): Likewise.
2970         (ix86_i386elf_return_in_memory): New.
2971         (ix86_i386interix_return_in_memory): New.
2972         * config/mt/mt-protos.h (mt_return_in_memory): New.
2973         * config/mt/mt.c: Likewise.
2974         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
2975         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
2976         * config/bfin/bfin.h: Likewise.
2977         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
2978         argument.
2979         * config/bfin/bfin.c: Likewise.
2980         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
2981         * config/alpha/unicosmk.h: Likewise.
2982         * config/i386/cygming.h: Likewise.
2983         * config/iq2000/iq2000.h: Likewise.
2984         * config/mips/mips.h: Likewise.
2985         * config/mn10300/mn10300.h: Likewise.
2986         * config/rs6000/rs6000.h: Likewise.
2987         * config/score/score.h: Likewise.
2988         * config/spu/spu.h: Likewise.
2989         * config/v850/v850.h: Likewise.
2990         * defaults.h: Likewise.
2991         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
2992         * expr.c (emit_block_move): Adjust use of
2993         OUTGOING_REG_PARM_STACK_SPACE.
2994         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
2995         OUTGOING_REG_PARM_STACK_SPACE.
2996         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
2997
2998 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
2999
3000         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
3001         on OMP_RETURN for OMP_FOR.
3002
3003         PR debug/35896
3004         * dwarf2out.c (dw_expand_expr, common_check): Removed.
3005         (fortran_common): New function.
3006         (gen_variable_die): Call fortran_common instead of common_check,
3007         adjust for it returning tree instead of rtx.  Formatting.
3008
3009 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3010
3011         PR rtl/7335
3012         PR rtl/33826
3013         * see.c (see_copy_insn): Copy new pure const attributes for new call.
3014         * c-decl.c (merge_decls): Ditto.
3015         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
3016         to RTL_CONST_OR_PURE_CALL_P.
3017         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
3018         Initialized DECL_LOOPING_CONST_PURE.
3019         (process_call_operands): Set tree_side_effects properly.
3020         * tree.h (TREE_READONLY_DECL_P): Removed.
3021         (DECL_IS_PURE): Renamed to DECL_PURE_P.
3022         (DECL_LOOPING_OR_CONST_P): New macro.
3023         (struct tree_function_decl): Added looping_const_or_pure_p.
3024         (ECF_*) Renumbered.
3025         (ECF_LOOPING_OR_CONST_P): New macro.
3026         * rtlanal.c (pure_const_p): Removed.
3027         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
3028         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
3029         to RTL_CONST_CALL_P.
3030         * ipa-pure-const.c (pure_const_state_e): Added looping field.
3031         (check_decl, check_tree, check_call, scan_function): Initialize
3032         looping.
3033         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
3034         (static_execute): Set looping true for recursive functions.
3035         Undo setting state to IPA_NEITHER for recursive functions.
3036         * cse.c (cse_insn):
3037         * ifcvt.c (noce_can_store_speculate_p): Changed
3038         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
3039         RTL_CONST_OR_PURE_CALL_P.
3040         * dse.c (scan_insn): Ditto.
3041         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
3042         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
3043         RTL_CONST_OR_PURE_CALL_P.
3044         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
3045         pure_call_p to RTL_CONST_CALL_P.
3046         * gimplify.c (gimplify_call_expr): Clear side effects for
3047         non-looping pure and constant calls.
3048         * calls.c (emit_call_1): Set rtl flags from ecf flags.
3049         (flags_from_decl_or_type): Set ecf flags from decl flags.
3050         (initialize_argument_information): Turn off
3051         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
3052         Change const to pure if callee_copies is true rather than just
3053         turning off const.
3054         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
3055         way of marking pure calls.
3056         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
3057         Remove hack that was supposed to fix pr7335 and remove old
3058         way of marking pure calls.
3059         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
3060         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
3061         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
3062         RTL_CONST_OR_PURE_CALL_P.
3063         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
3064         * loop-invariant.c (find_exits, find_invariant_bb): Changed
3065         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
3066         * sched-deps.c (schedule_analyze): Ditto.
3067         * rtl.h (struct rtx_def): Use call field, unchanging field, and
3068         return_val field of calls to represent pure and const function info.
3069         (CONST_OR_PURE_CALL_P): Deleted macro.
3070         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
3071         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
3072         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
3073         TREE_READONLY.
3074         * tree-optimize.c (execute_fixup_cfg): Added test for
3075         ECF_LOOPING_CONST_OR_PURE.
3076         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
3077         DECL_PURE_P.
3078         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
3079         effects for looping pure or const calls.
3080         (verify_gimple_expr): Added verification code.
3081         * config/alpha/alpha.c (alpha_legitimize_address,
3082         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
3083         RTL_CONST_CALL_P.
3084         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
3085         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
3086         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
3087         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
3088         RTL_CONST_OR_PURE_CALL_P.
3089         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
3090         and const calls to be deleted.
3091
3092 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3093
3094         PR target/35714
3095         * config/i386/mmx.md (mmx_subv2sf3): New expander.
3096         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
3097         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
3098         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3099         to handle nonimmediate operands.
3100         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
3101         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
3102         to handle nonimmediate operands.
3103         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
3104         (mmx_pmulhrwv4hi3): New expander.  Use
3105         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3106         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
3107         (sse2_umulv1siv1di3): New expander.  Use
3108         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3109         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
3110         (mmx_eq<mode>3): New expander.  Use
3111         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3112         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
3113         (mmx_uavgv8qi3): New expander.  Use
3114         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3115         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
3116         (mmx_uavgv4hi3): New expander.  Use
3117         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3118
3119         * config/i386/sse.md
3120         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
3121         to handle nonimmediate operands.
3122         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
3123         to handle nonimmediate operands.
3124         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
3125         to handle nonimmediate operands.
3126         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
3127         to handle nonimmediate operands.
3128         (sse2_unpckhpd_exp): New expander.  Use
3129         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3130         (sse2_unpcklpd_exp): New expander.  Use
3131         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3132         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
3133         to handle nonimmediate operands.
3134         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
3135         to handle nonimmediate operands.
3136         (*sse2_<plusminus_insn><mode>3): Rename from
3137         sse2_<plusminus_insn><mode>3 insn pattern.
3138         (sse2_<plusminus_insn><mode>3): New expander.  Use
3139         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3140         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
3141         (sse2_umulv2siv2di3): New expander.  Use
3142         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3143         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
3144         (sse4_1_mulv2siv2di3): New expander.  Use
3145         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3146         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
3147         (sse2_pmaddwd): New expander.  Use
3148         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3149         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
3150         (sse2_eq<mode>3): New expander.  Use
3151         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3152         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
3153         (sse4_1_eqv2di3): New expander.  Use
3154         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3155         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3156         (sse2_uavgv16qi3): New expander.  Use
3157         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3158         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
3159         (sse2_uavgv16qi3): New expander.  Use
3160         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3161         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
3162         (sse2_uavgv8hi3): New expander.  Use
3163         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3164         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
3165         (ssse3_pmulhrswv8hi3): New expander.  Use
3166         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3167         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
3168         (ssse3_pmulhrswv4hi3): New expander.  Use
3169         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3170
3171         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
3172         (<sse>_vmmul<mode>3): Ditto.
3173         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
3174         (divv2df3): Ditto.
3175         (ssse3_pmaddubsw128): Use register_operand for operand 1.
3176         (ssse3_pmaddubsw): Ditto.
3177
3178         * config/i386/i386.c (struct_builtin_description)
3179         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
3180         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
3181         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
3182         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
3183         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
3184         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
3185         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
3186         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
3187         (ix86_fixup_binary_operands): Assert that src1
3188         and src2 must have the same mode when swapped.
3189         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
3190         and ix86_binary_operator_ok.  Do not force operands in registers
3191         when optimizing.
3192
3193 2008-05-07  Jan Hubicka  <jh@suse.cz>
3194
3195         * cgraph.c (dump_cgraph_node): Update.
3196         * cgraph.h (cgraph_local_info): Break out inline summary.
3197         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
3198         hook.
3199         * ipa-inline (inline_summary): New accestor function.
3200         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
3201         cgraph_decide_inlining, compute_inline_parameters): Update.
3202         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
3203
3204 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
3205
3206         Cleanup ColdFire scheduling support and add V4 pipeline model.
3207
3208         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
3209         (define_attr cpu): Add cfv4 value.
3210         (define_attr type, define_attr type1): Merge into a single 'type'
3211         attribute.  Update all uses.
3212         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
3213         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
3214         Update all uses.
3215         (define_attr opx_mem, define_attr opy_mem): Remove.
3216         (define_attr op_mem): Clean up, update comment.
3217         (define_attr size): Use specific values instead of general int.
3218         (define_attr guess, define_attr split): Remove.  Update all uses.
3219         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
3220         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
3221         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
3222         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
3223         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
3224         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
3225         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
3226         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
3227         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
3228         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
3229         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
3230         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
3231         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
3232         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
3233         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
3234         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
3235         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
3236         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
3237         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
3238         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
3239         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
3240         Update or set attributes.
3241         (stack_tie): New fake instruction.
3242
3243         * config/m68k/m68k.h (TUNE_CFV4): New macro.
3244         (m68k_sched_attr_size): Update declaration.
3245         (m68k_sched_attr_type2): Remove.
3246         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
3247         Declare new bypass predicates.
3248
3249         * config/m68k/m68k.c (m68k_sched_issue_rate,
3250         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
3251         implementations.
3252         (TARGET_SCHED_ISSUE_RATE,
3253         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
3254         (override_options): Handle scheduling for ColdFire V4 core.
3255         (m68k_expand_prologue): Emit stack_tie.
3256         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
3257         'OP_TYPE_FPN'.  Update all uses.
3258         (sched_guess_p): Remove.
3259         (sched_address_type): Handle symbolic addresses.
3260         (sched_get_operand): New static function.
3261         (sched_operand_type): Merge into sched_attr_op_type.
3262         (sched_attr_op_type): Handle FP registers, handle quick constants,
3263         update.
3264         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
3265         (m68k_sched_attr_size): Update.  Move logic to ...
3266         (sched_get_attr_size_int): New static function.
3267         (sched_get_opxy_mem_type): New static function.
3268         (m68k_sched_attr_op_mem): Update.
3269         (m68k_sched_attr_type2): Remove.
3270         (sched_cfv4_bypass_data): New static variable.
3271         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
3272         (m68k_sched_issue_rate): Implement scheduler hook.
3273         (struct _sched_ib: enabled_p): New field.
3274         (m68k_sched_variable_issue): Update.  Handle V4.
3275         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
3276         sched_dump_class_func_t, sched_dump_split_class,
3277         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
3278         sched_dump_dfa_class, m68k_sched_dump): Remove.
3279         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
3280         hook.
3281         (m68k_sched_init_global): Remove statisctics dumping, introduce
3282         sanity check that all instructions have pipeline reservations.  Handle
3283         ColdFire V4 core.
3284         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3285         Handle ColdFire V4 core.
3286         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
3287         New static functions.
3288         (m68k_sched_address_bypass_p): New bypass predicate.
3289         (sched_get_indexed_address_scale): New static function.
3290         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
3291
3292         * cf.md: Update comments.
3293         (define_attr type2): Remove.  Use 'type' attribute instead.
3294         Update all uses.
3295         (cf_ib): Rename to cfv123_ib.  Update all uses.
3296         (cf_oep): Rename to cfv123_oep.  Update all uses.
3297         (cf_chr): Rename to cfv123_chr.  Update all uses.
3298         (cf_mem): Rename to cfv123_mem.  Update all uses.
3299         (cf_mac): Move to more appropriate place.
3300         (cfv123_guess): New automaton and cpu_unit.
3301         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
3302         Update uses of 'size' attribute.  Handle before reload scheduling.
3303         (cfv123_guess): New dummy reservation for unhandled instructions.
3304         (cfv4_*): Pipeline description of ColdFire V4 core.
3305         (ignore): New reservation to handle 'ignore' type.
3306
3307 2008-05-07  Ian Lance Taylor  <iant@google.com>
3308
3309         PR middle-end/36013
3310         * gimplify.c (find_single_pointer_decl_1): Don't look through
3311         indirections.
3312         (find_single_pointer_decl): Adjust comments.
3313
3314 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
3315
3316         PR middle-end/36137
3317         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
3318         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
3319
3320         PR middle-end/36106
3321         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
3322         integral type rather than floating point, then VIEW_CONVERT_EXPR
3323         to the floating point type.
3324
3325 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
3326
3327         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
3328         TFmode op0 to register.
3329
3330 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
3331
3332         * c-decl.c (grokdeclarator): Comment typo.
3333
3334 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
3335
3336         * tree-flow.h: Remove prototype for computed_goto_p.
3337         * tree-cfg.c (computed_goto_p): Make static.
3338
3339 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3340
3341         PR target/35657
3342         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
3343         (contains_aligned_value_p): This.  Handle _Decimal128.
3344         (ix86_function_arg_boundary): Only align _Decimal128 to its
3345         natural boundary and handle it properly.
3346
3347 2008-05-06  Martin Jambor  <mjambor@suse.cz>
3348
3349         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
3350         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
3351         (ipcp_method_set_orig_node): Removed.
3352         (ipcp_cval_get_cvalue_type): Removed.
3353         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
3354         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
3355         (ipcp_cval_set_cvalue_type): Removed.
3356         (ipcp_cval_get_cvalue): Removed.
3357         (ipcp_cval_set_cvalue): Removed.
3358         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
3359         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
3360         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
3361         (ipcp_cval_meet): Renamed to ipa_lattice_meet
3362         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
3363         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
3364         (ipcp_get_ith_lattice): Changed parameters.
3365         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
3366         (ipcp_lattice_from_jfunc): Changed parameters.
3367         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
3368         (ipcp_method_cval_print): Added temporary variable info.
3369         (ipcp_redirect): Removed already unused local variable caller.
3370         (ipcp_redirect): New temporary variable orig_callee_info
3371         (ipcp_redirect): Removed newly unused local variable callee.
3372         (ipcp_redirect): Removed (a bit confusing) local variable type.
3373         (ipcp_insert_stage): Added local variable info.
3374         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
3375         renamed too
3376         (ipcp_formal_create): Removed.
3377         (ipcp_method_cval_set): Removed.
3378         (ipcp_propagate_stage): Renamed lattice variables.
3379         (ipcp_method_cval_set_cvalue_type): Removed.
3380         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
3381         (ipcp_print_all_lattices): Changed printed strings to refer to
3382         lattices rather than cvals.
3383         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
3384         (ipcp_propagate_const): Changed formal parameters.
3385         (build_const_val): Changed formal parameters.
3386         (ipcp_insert_stage): Removed useless variable cvalue
3387         (build_const_val): Changed formal parameters.
3388         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
3389         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
3390         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
3391         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
3392         (ipcp_print_func_profile_counts): Changed string from "method" to
3393         "function"
3394         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
3395         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
3396         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
3397         (ipcp_structures_print): Renamed to ipcp_print_all_structures
3398         (ipcp_profile_print): Renamed to ipcp_print_profile_data
3399         (ipcp_lat_is_const): Changed parameters and made inline.
3400         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
3401         (ipcp_redirect): Renamed to ipcp_need_redirect_p
3402         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
3403         the predicate condition directly
3404         (ipcp_propagate_stage): Added local variable args. Removed local
3405         variable callee.  (Both are mere code simplifications.)
3406         (ipcp_method_dont_insert_const): Renamed to
3407         ipcp_node_not_modifiable_p.
3408         (ipcp_node_not_modifiable_p): Made inline.
3409         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
3410         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
3411         (ipcp_print_all_lattices): Removed variable cvalue
3412         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
3413         Updated comments.
3414
3415 2008-05-06  Olivier Hainque  <hainque@adacore.com>
3416
3417         * tree-sra.c (try_instantiate_multiple_fields): Early return
3418         if field has POINTER_TYPE.
3419
3420 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
3421
3422         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
3423         by using 'q' specifier for instruction.
3424         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
3425
3426 2008-05-06  Anatoly Sokolov <aesok@post.ru>
3427
3428         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
3429         Change mode of zero_extract from QImode to HImode.
3430         (sign bit tests peepholes): (Ditto.).
3431
3432 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
3433
3434         * config/i386/mmx.md: Remove double backslashes from asm templates.
3435         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
3436         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3437         to handle nonimmediate operands.
3438         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
3439         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
3440         to handle nonimmediate operands.
3441         (*mmx_<code>v2sf3_finite): New insn pattern.
3442         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
3443         (mmx_<code>v2sf3): New expander.  Use
3444         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3445         (mmx_<plusminus_insn><mode>3): New expander.  Use
3446         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3447         (*mmx_<plusminus_insn><mode>3): New insn pattern.
3448         (mmx_add<mode>3): Removed.
3449         (mmx_ssadd<mode>3): Ditto.
3450         (mmx_usadd<mode>3): Ditto.
3451         (mmx_sub<mode>3): Ditto.
3452         (mmx_sssub<mode>3): Ditto.
3453         (mmx_ussub<mode>3): Ditto.
3454         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
3455         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
3456         to handle nonimmediate operands.
3457         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
3458         insn pattern.
3459         (mmx_smulv4hi3_highpart): New expander.  Use
3460         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3461         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
3462         insn pattern.
3463         (mmx_umulv4hi3_highpart): New expander.  Use
3464         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3465         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
3466         (mmx_<code>v4hi3): New expander.  Use
3467         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3468         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
3469         (mmx_<code>v8qi3): New expander.  Use
3470         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3471         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
3472         (mmx_<code><mode>3): New expander.  Use
3473         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
3474
3475 2008-05-05  Jan Hubicka  <jh@suse.cz>
3476
3477         PR tree-optimization/36118
3478         * passes.c (pass_init_dump_file): Fix dump header.
3479
3480 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3481
3482         PR middle-end/36141
3483         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
3484         VCE for function decls.
3485
3486 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
3487
3488         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
3489
3490 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
3491
3492         * config/i386/i386.md (sat_plusminus): New.
3493         (plusminus_insn): Likewise.
3494         (plusminus_mnemonic): Likewise.
3495         (addsub): Removed.
3496         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
3497         (*<addsub><mode>3_cc_overflow): Renamed to ...
3498         (*<plusminus_insn><mode>3_cc_overflow): This.
3499         (*<addsub>si3_zext_cc_overflow): Renamed to ...
3500         (*<plusminus_insn>si3_zext_cc_overflow): This.
3501
3502         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
3503         (<plusminus_insn><mode>3): This.
3504         (*<addsub><mode>3): Renamed to ...
3505         (*<plusminus_insn><mode>3): This.
3506         (<sse>_vm<addsub><mode>3): Renamed to ...
3507         (<sse>_vm<plusminus_insn><mode>3): This.
3508         (sse3_h<addsub>v4sf3): Renamed to ...
3509         (sse3_h<plusminus_insn>v4sf3): This.
3510         (sse3_h<addsub>v2df3): Renamed to ...
3511         (sse3_h<plusminus_insn>v2df3): This.
3512         (<plusminus_insn><mode>3): New.
3513         (*<plusminus_insn><mode>3): Likewise.
3514         (sse2_<plusminus_insn><mode>3): Likewise.
3515         (add<mode>): Removed.
3516         (*add<mode>3): Likewise.
3517         (sse2_ssadd<mode>3): Likewise.
3518         (sse2_usadd<mode>3): Likewise.
3519         (sub<mode>3): Likewise.
3520         (*sub<mode>3): Likewise.
3521         (sse2_sssub<mode>3): Likewise.
3522         (sse2_ussub<mode>3): Likewise.
3523
3524 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
3525
3526         * gthr-single.h: Add in required interface elements as per gthr.h.
3527         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
3528         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
3529         Generalize UNUSED macro.
3530         (__gthread_once): Add.
3531         (__gthread_key_create): Add.
3532         (__gthread_key_delete): Add.
3533         (__gthread_getspecific): Add.
3534         (__gthread_setspecific): Add.
3535
3536 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
3537
3538         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
3539         the same size types for the indirect reference on the rhs, then
3540         create a VCE.
3541
3542 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
3543
3544         * config/i386/i386.md
3545         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
3546         one insn template instead of template series.
3547         (*xordi_1_rex64): Ditto.
3548         (*xordi_2_rex64): Ditto.
3549
3550 2008-05-05  Ira Rosen  <irar@il.ibm.com>
3551
3552         PR tree-optimization/36119
3553         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
3554         in case of SLP.
3555
3556 2008-06-04  Jan Hubicka  <jh@suse.cz>
3557
3558         tree-optimization/36100
3559         * tree-pass.h (pass_O0_always_inline): Declare.
3560         * ipa-inline.c (inline_transform): Remove dead code.
3561         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
3562         pass_O0_always_inline): New.
3563         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
3564
3565 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
3566
3567         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
3568         mnemonic in this_param move for TARGET_64BIT.
3569
3570 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
3571
3572         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
3573         (*strmovsi_rex_1): Ditto.
3574         (*strsetsi_1): Ditto.
3575         (*strsetsi_rex_1): Ditto.
3576
3577         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
3578         adddicc expanders using SWI mode iterator.
3579
3580 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
3581
3582         PR target/36121
3583         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
3584         argument handling.
3585
3586 2008-05-04  David S. Miller  <davem@davemloft.net>
3587
3588         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
3589         (sparc*-*-linux*): Use linux.h in tm_file.
3590         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
3591         compiler defaulting to 32-bit.
3592         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
3593         no longer needed.
3594         * config/sparc/linux.h: Remove definitions now obtained
3595         properly from linux.h
3596         * config/sparc/linux64.h: Likewise.
3597         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
3598         don't want this setting for 32-bit builds in a biarch compiler.
3599         * doc/install.texi: Add sparc-linux to list of targets
3600         supporting --enable-targets=all.
3601
3602 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
3603
3604         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
3605
3606 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
3607
3608         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
3609         after V4SI_FTYPE_V8HI.
3610         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
3611         case V4SI_FTYPE_V2DF.
3612
3613 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
3614
3615         * doc/invoke.texi (max-flow-memory-locations): Removed.
3616         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
3617
3618 2008-05-03  Richard Guenther  <rguenther@suse.de>
3619
3620         PR middle-end/34973
3621         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
3622
3623 2008-05-02  David S. Miller  <davem@davemloft.net>
3624
3625         * config.gcc (need_64bit_hwint): Document libcpp dependency.
3626
3627 2008-05-02  Simon Baldwin <simonb@google.com>
3628
3629         PR bootstrap/36108
3630         * c-common.h (warn_array_subscript_range): Removed.
3631         * c-common.c (warn_array_subscript_range): Ditto.
3632         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
3633         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
3634
3635 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
3636
3637         * config/i386/i386.c (ix86_special_builtin_type): New.
3638         (bdesc_special_args): Likewise.
3639         (ix86_expand_special_args_builtin): Likewise.
3640         (ix86_init_mmx_sse_builtins): Updated.
3641         (ix86_expand_builtin): Updated.
3642         (ix86_expand_store_builtin): Removed.
3643         (ix86_expand_unop_builtin): Likewise.
3644
3645         * config/i386/mm3dnow.h (__v2sf): Moved to ...
3646         * config/i386/mmintrin.h (__v2sf): Here.
3647
3648         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
3649         const __v2sf.
3650         (_mm_loadl_pi): Likewise.
3651         (_mm_storeh_pi): Replace __v2si with __v2sf.
3652         (_mm_storel_pi): Likewise.
3653
3654         * doc/extend.texi: Correct __builtin_ia32_loadhps,
3655         __builtin_ia32_loadlps, __builtin_ia32_storehps,
3656         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
3657         __builtin_ia32_loadlpd.
3658
3659 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
3660
3661         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
3662         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
3663         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
3664         (ix86_init_mmx_sse_builtins): Updated.
3665         (ix86_expand_args_builtin): Likewise.
3666         (ix86_expand_builtin): Likewise.
3667         (ix86_expand_unop1_builtin): Renamed to ...
3668         (ix86_expand_unop_vec_merge_builtin): This.
3669
3670 2008-05-01  Jan Hubicka  <jh@suse.cz>
3671
3672         PR bootstrap/36100
3673         * ipa-inline.c (inline_generate_summary): Make static.
3674         (inline_transform): Do not call inlining at -O0; make static.
3675         * passes.c (execute_todo): Add sanity check.
3676         (execute_one_ipa_transform_pass): Execute proper flags.
3677
3678 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
3679
3680         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
3681         (DECL_NONADDRESSABLE_P): Likewise.
3682         * alias.c (record_component_aliases): Fix comment.
3683
3684 2008-05-01  Simon Baldwin <simonb@google.com>
3685
3686         * c-common.h (warn_array_subscript_range): New function.
3687         * c-common.c (warn_array_subscript_range): Ditto.
3688         * tree-vrp.c (check_array_ref): Corrected code to agree with
3689         comment, ignoring only arrays of size 0 or size 1.
3690         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
3691
3692 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3693
3694         * config/i386/i386.c (ix86_builtin_type): Replace
3695         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
3696         (bdesc_args): Updated.
3697         (ix86_init_mmx_sse_builtins): Likewise.
3698         (ix86_expand_args_builtin): Likewise.
3699
3700         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
3701         with __v1di.
3702
3703         * doc/extend.texi: Correct __builtin_ia32_palignr.
3704
3705 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3706
3707         PR target/36095
3708         * config/i386/i386.c (bdesc_crc32): Removed.
3709         (ix86_expand_crc32): Likewise.
3710         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
3711         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
3712         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
3713         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
3714         UINT_FTYPE_UINT_UCHAR.
3715         (bdesc_args): Updated. Add crc32 builtins.
3716         (ix86_init_mmx_sse_builtins): Updated.
3717         (ix86_expand_args_builtin): Updated to support subreg.
3718
3719         * doc/extend.texi: Correct __builtin_ia32_crc32di.
3720
3721 2008-05-01  Jan Hubicka  <jh@suse.cz>
3722
3723         * tree-pass.h (opt_pass): Add IPA_PASS.
3724         (varpool_node, cgraph_node): Forward declare.
3725         (ipa_opt_pass): Define.
3726         (pass_ipa_inline): Turn into ipa_opt_pass.
3727         (pass_apply_inline): Remove.
3728         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
3729         (apply_inline): Turn into ....
3730         (inline_transform): ... this one.
3731         (inline_generate_summary): New function.
3732         (pass_apply_inline): Remove.
3733         * function.h (ipa_opt_pass): Forward declare structure; typedef;
3734         vector.
3735         (struct function): Add ipa_transforms_to_apply.
3736         * passes.c (register_one_dump_file): Work on IPA_PASS.
3737         (init_optimization_passes): Remove pass_inline_parameters and
3738         pass_apply_inline.
3739         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
3740         (execute_one_pass) ... here; apply transforms when possible.
3741         (add_ipa_transform_pass, execute_ipa_summary_asses,
3742         execute_one_ipa_transform_pass): New.
3743         (execute_ipa_pass_list): Update for IPA_PASS type.
3744
3745 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3746
3747         * config/i386/i386.c (ix86_builtin_type): Add
3748         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
3749         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
3750         (bdesc_args): Add SSE4a builtins.
3751         (ix86_init_mmx_sse_builtins): Updated.
3752         (ix86_expand_args_builtin): Likewise.
3753         (ix86_expand_builtin): Likewise.
3754
3755 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3756
3757         * config/i386/i386.c (ix86_builtin_type): Add
3758         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
3759         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
3760         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
3761         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
3762         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
3763         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
3764         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
3765         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
3766         and DI_FTYPE_DI_DI_INT.
3767         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
3768         (ix86_init_mmx_sse_builtins): Updated.
3769         (ix86_expand_args_builtin): Likewise.
3770         (ix86_expand_builtin): Likewise.
3771         (ix86_expand_binop_imm_builtin): Removed.
3772
3773         * doc/extend.texi: Correct __builtin_ia32_palignr128.
3774
3775 2008-04-30  Richard Guenther  <rguenther@suse.de>
3776
3777         PR tree-optimization/32921
3778         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
3779
3780 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3781
3782         * config/arm/arm.c (arm_unwind_emit): Use
3783         crtl->all_throwers_are_sibcalls instead of
3784         cfun->all_throwers_are_sibcalls.
3785         (arm_output_fn_unwind): Likewise.
3786         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
3787         instead of cfun->uses_pic_offset_table.
3788         (frv_expand_prologue): Likewise.
3789         (frv_frame_pointer_required): Likewise.
3790         (frv_expand_fdpic_call): Likewise.
3791         (frv_emit_movsi): Likewise.
3792         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
3793         cfun->returns_pcc_struct instead of
3794         current_function_returns_pcc_struct.
3795         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
3796         instead of cfun->calls_eh_return.
3797         (m32c_pushm_popm): Likewise.
3798         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
3799         "extern" declaration.
3800
3801 2008-04-30  Richard Guenther  <rguenther@suse.de>
3802
3803         PR tree-optimization/21636
3804         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
3805         constant address.
3806         (evaluate_stmt): Print the likely value.
3807         (ccp_visit_stmt): Avoid excessive vertical spacing.
3808
3809 2008-04-30  Rafael Espindola  <espindola@google.com>
3810
3811         * builtins.c (fold_call_expr): Return realret.
3812         * tree-ssa-threadedge.c
3813         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3814         __builtin_object_size.
3815
3816 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
3817
3818         * gcc.c (wrapper_string): New variable.
3819         (insert_wrapper): New function.
3820         (execute): New option -wrapper.
3821         * doc/invoke.texi (Overall Options): New driver option -wrapper.
3822
3823 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
3824
3825         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
3826         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
3827         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
3828         from...
3829         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
3830         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
3831         config/rs6000/e500crtres64gprctr.asm,
3832         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
3833         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
3834         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
3835         config/rs6000/e500crtsav64gprctr.asm,
3836         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
3837         config/rs6000/e500crtsavg64gprctr.asm: New files.
3838         * config/rs6000/t-ppccomm: Add build rules for new files.
3839         (LIB2FUNCS_STATIC_EXTRA): Add new files.
3840         * config/rs6000/t-netbsd: Add build rules for new files.
3841         (LIB2FUNCS_STATIC_EXTRA): New variable.
3842         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
3843         (CRTSAVRES_DEFAULT_SPEC): Likewise.
3844         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
3845
3846 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
3847
3848         * config/i386/i386.c (ix86_builtin_type): Add
3849         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
3850         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
3851         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
3852         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
3853         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
3854         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
3855         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
3856         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
3857         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
3858         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
3859         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
3860         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
3861         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
3862         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
3863         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
3864         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
3865         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
3866         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
3867         V1DI_FTYPE_V2SI_V2SI.
3868         (bdesc_2arg): Moved to ...
3869         (bdesc_args): Here.
3870         (ix86_init_mmx_sse_builtins): Updated.
3871         (ix86_expand_args_builtin): Updated.  Take a pointer
3872         to const struct builtin_description.  Handle comparison
3873         builtin functions.
3874         (ix86_expand_sse_compare): Take a new argument for swapping operands.
3875         (ix86_expand_builtin): Updated.
3876
3877         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
3878         (ssse3_pmaddubsw128): This.
3879         (ssse3_pmaddubswv4hi3): Renamed to ...
3880         (ssse3_pmaddubsw): This.
3881
3882         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
3883         (__builtin_ia32_packssdw128): Likewise.
3884         (__builtin_ia32_packuswb128): Likewise.
3885         (__builtin_ia32_pmaddubsw): Likewise.
3886         (__builtin_ia32_pmaddubsw128): Likewise.
3887
3888 2008-04-30  Richard Guenther  <rguenther@suse.de>
3889
3890         PR tree-optimization/14847
3891         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
3892         (recognize_bits_test): Use it.
3893         (recognize_single_bit_test): Likewise.
3894
3895 2008-04-30  Martin Jambor  <mjambor@suse.cz>
3896
3897         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
3898         instead of setting number of formal parameters to zero.
3899         (ipcp_init_stage): Do not set the number of actual parameters to zero
3900         either.
3901         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
3902         which are called with variable number of arguments.
3903         (ipcp_insert_stage): Explicitely skipping all nodes which are
3904         called with variable number of arguments.
3905         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
3906         number of parameters.
3907
3908         * ipa-prop.h (struct ipa_node_params): Added flag
3909         called_with_var_arguments
3910         (ipa_set_param_count): Added.  Changed sole setter to use it.
3911         (ipa_get_param_count): Added.  All readers of param_count
3912         converted to use it instead.
3913         (ipa_set_called_with_variable_arg): Added.
3914         (ipa_is_called_with_var_arguments): Added.
3915         (ipa_get_ith_param): Added.  All readers of param_decls converted
3916         to use it instead.
3917         (ipa_set_cs_argument_count): Added, sole writer to argument_count
3918         changed to use it.
3919         (ipa_get_cs_argument_count): Added, all readers of argument_count
3920         changed to cal it.
3921         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
3922         to use it.
3923
3924         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
3925         (struct ipcp_lattice): Renamed cval_type to type
3926         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
3927
3928         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
3929         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
3930         (ipcp_insert_stage): Changed the type of variable cvalue to tree
3931         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
3932         (build_const_val): Changed the type of parameter cvalue to tree
3933         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
3934         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
3935
3936         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
3937         constant
3938
3939         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
3940         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
3941         (ipa_add_method): Renamed to ipa_push_func_to_list
3942         (ipa_remove_method): Renamed to ipa_pop_func_from_list
3943         (ipa_callsite_param_count): Removed.
3944         (ipa_callsite_param_count_set): Removed.
3945         (ipa_callsite_param): Removed.
3946         (ipa_callsite_callee): Removed.
3947         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
3948         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
3949         (ipa_method_formal_count): Removed.
3950         (ipa_method_formal_count_set): Removed.
3951         (ipa_method_get_tree): Removed.
3952         (ipa_method_tree_map_create): Removed.
3953         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
3954         (ipa_create_param_decls_array): Creates the array itself
3955         (ipa_create_param_decls_array): Temporary variable info instead of
3956         a few dereferences.
3957         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
3958         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
3959         (get_type): Removed.
3960         (ipa_jf_get_info_type): Removed.
3961         (ipa_node_create): Renamed to ipa_create_node_params
3962         (ipa_free): Renamed to ipa_free_all_node_params
3963         (ipa_nodes_create): Renamed to ipa_create_all_node_params
3964         (ipa_edges_create): Renamed to ipa_create_all_edge_args
3965         (ipa_edges_free): Renamed to ipa_free_all_edge_args
3966         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
3967         (ipa_free_all_node_params): Deallocation to jump_functions moved to
3968         ipa_free_all_edge_args
3969         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
3970         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
3971         (ipa_create_methodlist_node): Removed.
3972         (ipa_methodlist_method): Removed.
3973         (ipa_methodlist_method_set): Removed.
3974         (ipa_methodlist_next_method): Removed.
3975         (ipa_methodlist_next_method_set): Removed.
3976         (ipa_method_is_modified): Removed.
3977         (ipa_method_modify_create): Removed.
3978         (ipa_method_modify_init): Temporary variable info instead of a few
3979         dereferences.
3980         (ipa_detect_param_modifications): Temporary variable info instead of
3981         a few dereferences.
3982         (ipa_compute_jump_functions): Temporary variable info instead of
3983         a few dereferences.
3984         (ipa_method_modify_set): Removed.
3985         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
3986         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
3987         than craph_node as the first parameter.
3988         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
3989         (ipa_method_modify_init): Removed.
3990         (ipa_compute_jump_functions): Added a temp variable instead of
3991         repeatadly dereferencing the cgraph_edge.aux pointer
3992         (ipa_callsite_param_set_type): Removed.
3993         (ipa_compute_jump_functions): i renamed to index and moved to
3994         an inner block
3995         (ipa_callsite_param_set_info_type_formal): Removed.
3996         (ipa_callsite_param_set_info_type): Removed.
3997         (ipa_callsite_param_map_create): Removed.
3998         (ipa_callsite_tree): Removed.
3999         (ipa_callsite_caller): Removed.
4000         (ipa_pop_func_from_list): return_method removed to return_func
4001
4002         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
4003         prefixed all values with IPA_. Changed all users.
4004         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
4005         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
4006         and FORMAL_IPATYPE IPA_PASS_THROUGH.
4007         (union parameter_info): Renamed to jump_func_value.
4008         (union jump_func_value): Renamed value to constant
4009         (struct ipa_jump_func): Renamed info_type to value
4010         (struct ipa_node): Renamed to ipa_node_params
4011         (struct ipa_node_params): Renamed ipa_arg_num to param_count
4012         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
4013         (struct ipa_node_params): Renamed ipa_mod to modified_flags
4014         (struct ipa_edge): Renamed to ipa_edge_args
4015         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
4016         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
4017         (struct ipa_methodlist): Renamed to ipa_func_list
4018         (struct ipa_func_list): method_p renamed to node, next_method
4019         renamed to next
4020         (ipa_methodlist_p): Removed, switched all users to struct pointer
4021         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
4022
4023 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
4024
4025         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
4026         (rs6000_emit_epilogue): Use backchain to restore only when we
4027         have a large frame.  Make use of frame pointer to restore if we
4028         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
4029
4030 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
4031
4032         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
4033         Add mode to zero_extract.
4034         (sign bit tests peepholes): (Ditto.).
4035
4036 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
4037
4038         * config/i386/i386.c (ix86_builtins): Replace Prescott New
4039         Instructions in comments with SSE3.
4040         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
4041         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
4042         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
4043         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
4044         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
4045         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
4046         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
4047         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
4048         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
4049         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
4050         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
4051         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
4052         (bdesc_sse_args): Renamed to ...
4053         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
4054         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
4055         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
4056         IX86_BUILTIN_FABSQ.
4057         (bdesc_1arg): Moved to ...
4058         (bdesc_args): Here.
4059         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
4060         Instructions in comments with SSE3.
4061         (ix86_expand_sse_operands_builtin): Renamed to ...
4062         (ix86_expand_args_builtin): This.  Updated.
4063         (ix86_expand_unop1_builtin): Update comments.
4064         (ix86_expand_builtin): Updated.
4065
4066 2008-04-29  Richard Guenther  <rguenther@suse.de>
4067
4068         PR tree-optimization/36078
4069         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
4070         Update virtual SSA form after cleaning up the CFG.
4071
4072 2008-04-29  Richard Guenther  <rguenther@suse.de>
4073
4074         PR middle-end/15255
4075         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
4076
4077 2008-04-29  Richard Guenther  <rguenther@suse.de>
4078
4079         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
4080         (compute_may_aliases): Do not call finalize_ref_all_pointers.
4081         (compute_flow_insensitive_aliasing): Do not treat
4082         PTR_IS_REF_ALL pointers special.
4083         (get_smt_for): Likewise.
4084         (may_alias_p): Re-structure.
4085         (is_escape_site): A ref-all pointer conversion is not an escape site.
4086         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
4087         PTR_IS_REF_ALL pointers special.
4088         * tree-ssa-structalias.h (struct alias_info): Remove
4089         ref_all_symbol_mem_tag field.
4090         (PTR_IS_REF_ALL): Remove.
4091
4092 2008-04-29  Richard Guenther  <rguenther@suse.de>
4093
4094         PR middle-end/36077
4095         * fold-const.c (extract_muldiv_1): In combining division constants
4096         make sure to never overflow.
4097
4098 2008-04-29  Nick Clifton  <nickc@redhat.com>
4099
4100         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
4101
4102 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4103
4104         PR bootstrap/35169
4105         * optc-gen.awk: Work around HP-UX/IA awk bug.
4106
4107 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
4108
4109         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
4110         2008-04-25 commit.
4111
4112 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4113
4114         PR target/36073
4115         * config/i386/i386.md
4116         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
4117         Change operand 1 predicate to nonimmediate_operand.
4118
4119 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
4120
4121         PR debug/36060
4122         * dwarf2out.c (struct die_struct): Mark as chain_circular through
4123         die_sub field.
4124         * gengtype.c (walk_type, write_func_for_structure): Handle
4125         chain_circular.
4126         * doc/gty.texi: Document chain_circular.
4127
4128 2008-04-28  Richard Guenther  <rguenther@suse.de>
4129
4130         PR tree-optimization/36066
4131         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
4132         SCEV and loop.
4133
4134 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
4135
4136         PR target/36064
4137         * config/i386/i386.md
4138         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
4139         Use match_scratch instead of match_operand for operands 3 and 4.
4140
4141 2008-04-27  Richard Guenther  <rguenther@suse.de>
4142
4143         PR tree-optimization/18754
4144         PR tree-optimization/34223
4145         * tree-pass.h (pass_complete_unrolli): Declare.
4146         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
4147         loop size before and after unconditionally of UL_NO_GROWTH in effect.
4148         Rewrite loop into loop closed SSA form if it is not already.
4149         (tree_unroll_loops_completely): Re-structure to iterate over
4150         innermost loops with intermediate CFG cleanups.
4151         Unroll outermost loops only if requested or the code does not grow
4152         doing so.
4153         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
4154         loops are available.
4155         (tree_vectorize): Instead do so here.
4156         (tree_complete_unroll): Also unroll outermost loops.
4157         (tree_complete_unroll_inner): New function.
4158         (gate_tree_complete_unroll_inner): Likewise.
4159         (pass_complete_unrolli): New pass.
4160         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
4161         uses outside of the loop.
4162         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
4163         form if it is available.
4164         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
4165         * passes.c (init_optimization_passes): Schedule complete inner
4166         loop unrolling pass before the first CCP pass after final inlining.
4167
4168 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4169
4170         * targhooks.h (default_emutls_var_fields,
4171         default_emutls_var_init): Declare.
4172         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
4173         * target.h (struct gcc_target): Add struct emutls member.
4174         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
4175         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
4176         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
4177         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
4178         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
4179         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
4180         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
4181         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
4182         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
4183         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
4184         emit debug information.
4185         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
4186         * varasm.c: Include targhooks.h.
4187         (emutls_object_section, emutls_tmpl_section): New.
4188         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
4189         (EMUTLS_SEPARATOR): New.
4190         (prefix_name): New.
4191         (get_emutls_object_name): New.
4192         (default_emutls_var_fields): New, broken out of ...
4193         (get_emutls_object_type): ... here.  Adjust to use target hooks.
4194         (get_emutls_init_templ_addr): Adjust to use target hooks.
4195         (emutls_decl): Adjust to use target hooks.
4196         (emutls_finish): Likewise.
4197         (default_emutls_var_init): New, broken out of ...
4198         (assemble_variable): ... here.  Adjust to use target hooks.
4199         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
4200         SECCAT_EMUTLS_TMPL.
4201         * c-common.c (handle_section_attribute): Prevent overriding
4202         sections for emulated tls with special sections.
4203         * config/i386/i386.c (x86_64_elf_select_section): Add
4204         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
4205         (x86_64_elf_unique_section): Likewise.
4206         * config/vxworks.c: Include tree.h.
4207         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
4208         (vxworks_override_options): Set TLS scheme.
4209         * doc/tm.texi (Emulated TLS): New node.
4210
4211 2008-04-26  Simon Baldwin <simonb@google.com>
4212
4213         PR c/35652
4214         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
4215         with propagated string constants.
4216
4217 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
4218
4219         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
4220         constraint for operand 2 when operand 0 is memory operand.
4221         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
4222         operand 0 is memory operand.
4223         (fix_trunc<mode>_i387_with_temp): Ditto.
4224         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
4225         operand 2 when operand 1 is memory operand.
4226         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
4227         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
4228         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
4229         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
4230         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
4231         operands 2,3 and 4 when operand 1 is memory operand.
4232         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
4233         is memory operand.
4234         (fistdi2_floor_with_temp): Ditto.
4235         (fist<mode>2_floor_with_temp): Ditto.
4236         (fistdi2_ceil_with_temp): Ditto.
4237         (fist<mode>2_ceil_with_temp): Ditto.
4238         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
4239
4240 2008-04-26  David Daney  <ddaney@avtrex.com>
4241
4242         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
4243         unspec_volitile.
4244         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
4245         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
4246         UNSPEC_UPDATE_GOT_VERSION): Renumber.
4247         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
4248         (compare_and_swap_12): New insn.
4249         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
4250         * config/mips/mips.c (mips_force_binary): New function.
4251         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
4252         (mips_expand_compare_and_swap_12): New function.
4253         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
4254
4255 2008-04-25  Jan Hubicka  <jh@suse.cz>
4256
4257         PR testsuite/35843
4258         * cfgexpand.c (pass_expand): Turn into RTL pass.
4259         * passes.c (execute_one_pass): Do pass typechecking after execution.
4260         * tree-pass.h (pass_expand): Turn into RTL pass.
4261
4262         * function.h (struct rtl_data): Move here fields
4263         accesses_prior_frames, calls_eh_return, saves_all_registers,
4264         has_nonlocal_goto, has_asm_statement, is_thunk,
4265         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
4266         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
4267         arg_pointer_save_area_init from struct function; turn into bool.
4268         (struct function): Move
4269         calls_eh_return, saves_all_registers, has_nonlocal_goto,
4270         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
4271         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
4272         tail_call_emit, arg_pointer_save_area_init
4273         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
4274         (current_function_returns_struct, current_function_returns_pcc_struct,
4275         current_function_calls_setjmp, current_function_calls_alloca,
4276         current_function_accesses_prior_frames,
4277         current_function_calls_eh_return, current_function_is_thunk,
4278         current_function_stdarg, current_function_profile,
4279         current_function_limit_stack, current_function_uses_pic_offset_table,
4280         current_function_uses_const_pool, current_function_has_nonlocal_label,
4281         current_function_saves_all_registers,
4282         current_function_has_nonlocal_goto,
4283         current_function_has_asm_statement): Remove accesor macros.
4284         * ra-conflict.c (global_conflicts): Update.
4285         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
4286         (suitable_for_tail_call_opt_p): Update.
4287         * builtins.c (expand_builtin_return_addr): Update.
4288         (expand_builtin_setjmp_setup): Update.
4289         (expand_builtin_nonlocal_goto): Update.
4290         * final.c (final_start_function): Update.
4291         (profile_function): Update.
4292         (leaf_function_p): Update.
4293         (only_leaf_regs_used): Update.
4294         * df-scan.c (df_get_exit_block_use_set): Update.
4295         * dojump.c (clear_pending_stack_adjust): Update.
4296         * tree-stdarg.c (gate_optimize_stdarg): Update.
4297         * gimple-low.c (lower_function_body): Update.
4298         * global.c (compute_regsets): Update.
4299         (global_alloc): Update.
4300         * dwarf2out.c (dwarf2out_begin_prologue): Update.
4301         * expr.c (expand_assignment): Update.
4302         * dse.c (dse_step0): Update.
4303         (dse_step1): Update.
4304         * c-decl.c (store_parm_decls): Update.
4305         * local-alloc.c (combine_regs): Update.
4306         (find_free_reg): Update.
4307         * function.c (assign_parms_augmented_arg_list): Update.
4308         (assign_parm_find_data_types): Update.
4309         (assign_parms): Update.
4310         (allocate_struct_function): Update.
4311         (expand_function_start): Update.
4312         (expand_function_end): Update.
4313         (get_arg_pointer_save_area): Update.
4314         (thread_prologue_and_epilogue_insns): Update.
4315         (rest_of_match_asm_constraints): Update.
4316         * stor-layout.c (variable_size): Update.
4317         * gcse.c (gcse_main): Update.
4318         (bypass_jumps): Update.
4319         * gimplify.c (gimplify_function_tree): Update.
4320         * calls.c (emit_call_1): Update.
4321         (expand_call): Update.
4322         * bt-load.c (compute_defs_uses_and_gen): Update.
4323         * except.c (sjlj_assign_call_site_values): Update.
4324         (sjlj_emit_function_enter): Update.
4325         (can_throw_external): Update.
4326         (set_nothrow_function_flags): Update.
4327         (expand_builtin_unwind_init): Update.
4328         (expand_eh_return): Update.
4329         (convert_to_eh_region_ranges): Update.
4330         (output_function_exception_table): Update.
4331         * emit-rtl.c (gen_tmp_stack_mem): Update.
4332         * cfgexpand.c (expand_used_vars): Update.
4333         (tree_expand_cfg): Update.
4334         * cfgcleanup.c (rest_of_handle_jump): Update.
4335         * explow.c (allocate_dynamic_stack_space): Update.
4336         * varasm.c (assemble_start_function): Update.
4337         (force_const_mem): Update.
4338         (mark_constant_pool): Update.
4339         * tree-optimize.c (tree_rest_of_compilation): Update.
4340         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
4341         * tree-cfg.c (notice_special_calls): Update.
4342         (is_ctrl_altering_stmt): Update.
4343         (tree_can_make_abnormal_goto): Update.
4344         (tree_purge_dead_abnormal_call_edges): Update.
4345         * config/alpha/predicates.md: Update.
4346         * config/alpha/alpha.c (alpha_sa_mask): Update.
4347         (alpha_sa_size): Update.
4348         (alpha_does_function_need_gp): Update.
4349         (alpha_expand_prologue): Update.
4350         (alpha_start_function): Update.
4351         (alpha_output_function_end_prologue): Update.
4352         (alpha_expand_epilogue): Update.
4353         * config/frv/frv.c (frv_stack_info): Update.
4354         (frv_expand_epilogue): Update.
4355         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
4356         (s390_register_info): Update.
4357         (s390_frame_info): Update.
4358         (s390_init_frame_layout): Update.
4359         (s390_can_eliminate): Update.
4360         (save_gprs): Update.
4361         * config/spu/spu.c (spu_split_immediate): Update.
4362         (need_to_save_reg): Update.
4363         (spu_expand_prologue): Update.
4364         (spu_expand_epilogue): Update.
4365         * config/sparc/sparc.md: Update.
4366         * config/sparc/sparc.c (eligible_for_return_delay): Update.
4367         (sparc_tls_got): Update.
4368         (legitimize_pic_address): Update.
4369         (sparc_emit_call_insn): Update.
4370         (sparc_expand_prologue): Update.
4371         (output_return): Update.
4372         (print_operand): Update.
4373         (sparc_function_ok_for_sibcall): Update.
4374         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
4375         * config/m32r/m32r.md: Update.
4376         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
4377         (m32r_compute_frame_size): Update.
4378         (m32r_expand_prologue): Update.
4379         (m32r_expand_epilogue): Update.
4380         (m32r_legitimize_pic_address): Update.
4381         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
4382         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
4383         * config/i386/i386.c (ix86_frame_pointer_required): Update.
4384         (gen_push): Update.
4385         (ix86_save_reg): Update.
4386         (ix86_compute_frame_layout): Update.
4387         (ix86_expand_prologue): Update.
4388         (ix86_expand_epilogue): Update.
4389         * config/sh/sh.c (output_stack_adjust): Update.
4390         (calc_live_regs): Update.
4391         (sh5_schedule_saves): Update.
4392         (sh_expand_prologue): Update.
4393         (sh_expand_epilogue): Update.
4394         (sh_setup_incoming_varargs): Update.
4395         (sh_allocate_initial_value): Update.
4396         (sh_get_pr_initial_val): Update.
4397         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
4398         * config/sh/sh.md (label:): Update.
4399         * config/avr/avr.c (out_movhi_mr_r): Update.
4400         * config/crx/crx.h (enum): Update.
4401         * config/xtensa/xtensa.h (along): Update.
4402         * config/stormy16/stormy16.c Update.
4403         (xstormy16_compute_stack_layout): Update.
4404         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
4405         (fr30_expand_prologue): Update.
4406         * config/cris/cris.c (cris_conditional_register_usage): Update.
4407         (cris_reg_saved_in_regsave_area): Update.
4408         (cris_initial_frame_pointer_offset): Update.
4409         (cris_simple_epilogue): Update.
4410         (cris_expand_prologue): Update.
4411         (cris_expand_epilogue): Update.
4412         (cris_expand_pic_call_address): Update.
4413         (cris_asm_output_symbol_ref): Update.
4414         (cris_asm_output_label_ref): Update.
4415         * config/cris/cris.md Update.
4416         * config/iq2000/iq2000.c (compute_frame_size): Update.
4417         (iq2000_expand_epilogue): Update.
4418         * config/mt/mt.h (save_direction): Update.
4419         * config/mn10300/mn10300.c (mn10300_function_value): Update.
4420         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
4421         (ia64_secondary_reload_class): Update.
4422         * config/m68k/m68k.c (m68k_save_reg): Update.
4423         (m68k_expand_prologue): Update.
4424         (m68k_expand_epilogue): Update.
4425         (legitimize_pic_address): Update.
4426         * config/rs6000/rs6000.c (rs6000_got_register): Update.
4427         (first_reg_to_save): Update.
4428         (first_altivec_reg_to_save): Update.
4429         (compute_vrsave_mask): Update.
4430         (compute_save_world_info): Update.
4431         (rs6000_stack_info): Update.
4432         (spe_func_has_64bit_regs_p): Update.
4433         (rs6000_ra_ever_killed): Update.
4434         (rs6000_emit_eh_reg_restore): Update.
4435         (rs6000_emit_allocate_stack): Update.
4436         (rs6000_emit_prologue): Update.
4437         (rs6000_emit_epilogue): Update.
4438         (rs6000_output_function_epilogue): Update.
4439         (output_profile_hook): Update.
4440         (rs6000_elf_declare_function_name): Update.
4441         * config/rs6000/rs6000.h (rs6000_args): Update.
4442         * config/rs6000/rs6000.md: Update.
4443         * config/mcore/mcore.c (mcore_expand_prolog): Update.
4444         * config/arc/arc.c (arc_output_function_epilogue): Update.
4445         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
4446         * config/darwin.c (machopic_function_base_name): Update.
4447         * config/score/score3.c (score3_compute_frame_size): Update.
4448         (rpush): Update.
4449         (rpop): Update.
4450         (score3_epilogue): Update.
4451         * config/score/score7.c (score7_compute_frame_size): Update.
4452         (score7_prologue): Update.
4453         (score7_epilogue): Update.
4454         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
4455         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
4456         * config/arm/arm.c (use_return_insn): Update.
4457         (require_pic_register): Update.
4458         (arm_load_pic_register): Update.
4459         (arm_compute_save_reg0_reg12_mask): Update.
4460         (arm_compute_save_reg_mask): Update.
4461         (thumb1_compute_save_reg_mask): Update.
4462         (output_return_instruction): Update.
4463         (arm_output_function_prologue): Update.
4464         (arm_output_epilogue): Update.
4465         (arm_get_frame_offsets): Update.
4466         (arm_expand_prologue): Update.
4467         (thumb_pushpop): Update.
4468         (thumb_exit): Update.
4469         (thumb1_expand_prologue): Update.
4470         (thumb1_expand_epilogue): Update.
4471         (arm_unwind_emit): Update.
4472         (arm_output_fn_unwind): Update.
4473         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
4474         * config/arm/arm.md: Update.
4475         * config/pa/pa.md: Update.
4476         * config/pa/pa.c (legitimize_pic_address): Update.
4477         (compute_frame_size): Update.
4478         (hppa_expand_prologue): Update.
4479         (hppa_expand_epilogue): Update.
4480         (borx_reg_operand): Update.
4481         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
4482         (HARD_REGNO_RENAME_OK): Update.
4483         * config/mips/mips.c (mips_global_pointer): Update.
4484         (mips_save_reg_p): Update.
4485         (mips_compute_frame_info): Update.
4486         (mips_frame_pointer_required): Update.
4487         (mips_expand_prologue): Update.
4488         (mips_expand_epilogue): Update.
4489         (mips_can_use_return_insn): Update.
4490         (mips_reorg_process_insns): Update.
4491         * config/v850/v850.c (compute_register_save_size): Update.
4492         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
4493         * config/mmix/mmix.c (along): Update.
4494         (mmix_expand_epilogue): Update.
4495         * config/bfin/bfin.c (legitimize_pic_address): Update.
4496         (must_save_p): Update.
4497         (stack_frame_needed_p): Update.
4498         (add_to_reg): Update.
4499         (bfin_expand_prologue): Update.
4500         * stmt.c (expand_asm_operands): Update.
4501         * reload1.c (reload): Update.
4502         (init_elim_table): Update.
4503
4504 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
4505
4506         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
4507
4508 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4509
4510         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
4511         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
4512         (mov<mode>): Removed.
4513         (*movv4sf_internal): Likewise.
4514         (*movv2df_internal): Likewise.
4515
4516 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
4517
4518         * config.gcc (crx-*-elf): Remove deprecation.
4519
4520 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
4521
4522         * config/i386/cygming-crtend.c (register_frame_ctor): Register
4523         __gcc_deregister_frame with atexit.
4524         (deregister_frame_dtor): Remove.
4525
4526 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
4527             Nathan Sidwell  <nathan@codesourcery.com>
4528
4529         * config/rs6000/rs6000.opt (mspe): Remove Var property.
4530         (misel): Likewise.
4531         * config/rs6000/rs6000.h (rs6000_spe): Declare.
4532         (rs6000_isel): Likewise.
4533         * config/rs6000/rs6000.c (rs6000_spe): New variable.
4534         (rs6000_isel): New variable.
4535         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
4536
4537 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4538
4539         PR c++/35758
4540         * c-common.c (handle_vector_size_attribute): Call
4541         lang_hooks.types.reconstruct_complex_type instead of
4542         reconstruct_complex_type.
4543         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
4544         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
4545         * langhooks.h (struct lang_hooks_for_types): Add
4546         reconstruct_complex_type hook.
4547         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
4548         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
4549
4550 2008-04-24  Richard Guenther  <rguenther@suse.de>
4551
4552         * c-common.h (check_builtin_function_arguments): Declare.
4553         * c-common.c (validate_nargs): New function.
4554         (check_builtin_function_arguments): Likewise.
4555         * c-typeck.c (build_function_call): Call
4556         check_builtin_function_arguments.
4557         * builtins.c (fold_builtin_classify): Remove error reporting code.
4558         (fold_builtin_unordered_cmp): Likewise.
4559         (fold_builtin_1): Likewise.
4560         (fold_builtin_n): Likewise.
4561
4562 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4563
4564         PR tree-optimization/36008
4565         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
4566         the original op1, rather than delta by step.
4567
4568 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
4569             Sebastian Pop  <sebastian.pop@amd.com>
4570
4571         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
4572         eliminate_local_variables_stmt, eliminate_local_variables,
4573         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
4574         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
4575         of code delimited by two edges in the CFG.
4576         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
4577         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
4578         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
4579         the case of parallelisation of reductions.
4580         (expr_invariant_in_region_p): New.
4581
4582         * tree-flow.h (gather_blocks_in_sese_region): Declared.
4583         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
4584
4585 2008-04-24  Ira Rosen  <irar@il.ibm.com>
4586             Richard Guenther  <rguenther@suse.de>
4587
4588         PR tree-optimization/36034
4589         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
4590         incapable of dealing with loads with gaps.
4591
4592 2008-04-24  Rafael Espindola  <espindola@google.com>
4593
4594         * tree-flow.h (vrp_evaluate_conditional): Change signature.
4595         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4596         vrp_evaluate_conditional.
4597         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
4598         (vrp_evaluate_conditional): Split the cond argument.
4599         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
4600         (simplify_stmt_for_jump_threading): Update call to
4601         vrp_evaluate_conditional.
4602
4603 2008-04-24  Ira Rosen  <irar@il.ibm.com>
4604
4605         PR tree-optimization/35982
4606         * tree-vect-analyze.c (vect_check_interleaving): Check that the
4607         interleaved data-refs are of the same type.
4608
4609 2008-04-24  Danny Smith  <dannysmith@users.net>
4610
4611         * c-format.c (check_format_info_main): Use strncmp rather than a
4612         magic prefix to handle multichar length specs.
4613         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
4614         Don't prefix "I64" and "I32" with '\0'.
4615
4616 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
4617
4618         PR target/36015
4619         * config/i386/i386.c (init_cumulative_args): Don't pass anything
4620         in registers for -m32 only if stdarg_p (fntype).
4621
4622 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
4623
4624         PR rtl-optimization/36006
4625         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
4626         temp to op0 in order to avoid invalid rtx sharing.
4627
4628 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
4629
4630         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
4631         check TREE_INVARIANT.
4632         * tree-gimple.c (is_gimple_address): New.
4633         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
4634         * tree-gimple.h (is_gimple_address): New.
4635         * tree.h (decl_address_invariant_p): New.
4636         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
4637         (build_string): Likewise.
4638         (decl_address_invariant_p): New, from is_gimple_invariant_address.
4639         (tree_invariant_p_1): Likewise.
4640         (save_expr): Use it.
4641         (tree_invariant_p): New.
4642         (skip_simple_arithmetic): Use it.
4643         (stabilize_reference_1): Use it.
4644         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
4645         simplify.
4646         (build1_stat): Drop code to compute TREE_INVARIANT.
4647         (build2_stat): Drop code to compute TREE_INVARIANT.
4648         (build3_stat): Drop code to compute TREE_INVARIANT.
4649         (build4_stat): Drop code to compute TREE_INVARIANT.
4650         (build5_stat): Drop code to compute TREE_INVARIANT.
4651         (build7_stat): Drop code to compute TREE_INVARIANT.
4652         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
4653         * tree.h (struct tree_base): Remove invariant_flag.
4654         (TREE_INVARIANT): Remove.
4655         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
4656         (fold_builtin_expect): Check TREE_CONSTANT.
4657         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
4658         * c-tree.h (c_expr_to_decl): Drop third parameter.
4659         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
4660         (build_c_cast): Don't set TREE_INVARIANT.
4661         (pop_init_level): Don't set TREE_INVARIANT.
4662         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
4663         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
4664         TREE_CONSTANT.
4665         (gimplify_init_constructor): Don't set TREE_INVARIANT.
4666         (gimplify_addr_expr): Adjust comment.
4667         * tree-mudflap.c (mf_build_string):
4668         * print-tree.c (print_node): Don't print TREE_INVARIANT.
4669         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
4670         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
4671         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
4672         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
4673         * langhooks.h (struct lang_hooks): Drop third parameter from
4674         expr_to_decl.
4675
4676 2008-04-23  Richard Guenther  <rguenther@suse.de>
4677
4678         PR tree-optimization/27799
4679         PR tree-optimization/32921
4680         PR tree-optimization/32624
4681         * tree-ssa-structalias.c (merge_smts_into): Only merge the
4682         SMTs aliases and the tag itself into the solution.
4683         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
4684         merge the points-to solution back into the SMT aliases.
4685         (may_alias_p): Use alias_set_subset_of instead of
4686         aliases_conflict_p.  A pointer which points to
4687         memory with alias set zero may access any variable.
4688
4689 2008-04-23  Richard Guenther  <rguenther@suse.de>
4690
4691         * alias.c (alias_set_subset_of): Correctly handle asking
4692         if zero is a subset of an alias set with zero child.
4693         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
4694         (compute_flow_insensitive_aliasing): Correctly walk all
4695         pointers.  Do not unnecessarily union sets.
4696
4697 2008-04-23  Richard Guenther  <rguenther@suse.de>
4698
4699         PR middle-end/36021
4700         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
4701
4702 2008-04-22  Tomas Bily  <tbily@suse.cz>
4703
4704         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
4705         unreachable case.
4706         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
4707         NON_LVALUE_EXPR.
4708         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
4709         * tree-ssa-structalias.c (get_constraint_for): Likewise.
4710         * tree-inline.c (estimate_num_insns_1): Likewise.
4711         * varasm.c (const_hash_1, compare_constant, copy_constant)
4712         (compute_reloc_for_constant, output_addressed_constants): Likewise.
4713         * emit-rtl.c (component_ref_for_mem_expr)
4714         (set_mem_attributes_minus_bitpos): Likewise.
4715         * expr.c (highest_pow2_factor, expand_expr_real_1, )
4716         (is_aligning_offset): Likewise.
4717         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
4718         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
4719         * dojump.c (do_jump): Likewise.
4720         * builtins.c (get_pointer_alignment, get_memory_rtx)
4721         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
4722         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
4723
4724 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
4725
4726         PR rtl-optimization/36017
4727         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
4728         expanding the library call.
4729
4730 2008-04-22  Ian Lance Taylor  <iant@google.com>
4731
4732         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
4733         than size_in_bytes.
4734
4735 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
4736
4737         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
4738         of LR/CTR moves for Power6.
4739
4740 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
4741
4742         PR middle-end/36003
4743         * passes.c (init_optimization_passes): Remove
4744         pass_fast_rtl_byte_dce.
4745
4746 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
4747
4748         PR target/29096
4749         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
4750         builtin functions to generate faster code.
4751         (_mm_cvtpu16_ps): Ditto.
4752         (_mm_cvtpi32x2_ps): Ditto.
4753
4754 2008-04-22  Nick Clifton  <nickc@redhat.com>
4755
4756         * common.opt (ftree-loop-distribution): Add Optimization
4757         attribute.
4758
4759         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
4760         (frv_expand_builtin_va_start): Likewise.
4761
4762         * config/arm/arm.c (thumb_find_work_register): Fix location of
4763         argument register count.
4764
4765 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
4766
4767         Support scheduling for ColdFire V1 and V3 microarchitecture.
4768         Improve scheduling of multiplication instructions.
4769
4770         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
4771         (mac): New instruction attribute.
4772         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
4773         (m68k_sched_mac): New variable.
4774         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
4775         Handle cfv1 and cfv3.
4776         (max_insn_size): New static variable.
4777         (struct _sched_ib): New type.
4778         (sched_ib): New static variable.
4779         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
4780         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
4781         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
4782         Update.
4783         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
4784         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
4785         new variables.  Update.
4786         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
4787         Add modeling of cfv3 instruction buffer.  Update.
4788         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
4789         * config/m68k/m68k.h (TUNE_CFV3): New macro.
4790         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
4791         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
4792         a particular reservation applies to.
4793         (type2): Reorganize attribute values.  Rename alu to alu_reg,
4794         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
4795         to mul_l and mul_w.
4796         (cf_ib_*): Simplify description of instruction buffer.
4797         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
4798         (cf_mem): Split into cf_mem1 and cf_mem2.
4799         (cf_v2_move_??): Rename to cfv12_alu_??.
4800         (cf_v2_move_l_??): Rename to cfv12_omove_??.
4801         (cf_v2_mul_??): Remove reservations.
4802         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
4803         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
4804         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
4805         appropriate place.
4806         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
4807         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
4808         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
4809         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
4810         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
4811         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
4812         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
4813         expansions of the above reservations for instructions of sizes
4814         1, 2 and 3 words.
4815
4816 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
4817
4818         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
4819
4820 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
4821
4822         * coverage.c: Include tree-pass.h.
4823         (coverage_counter_alloc): Print da_file_name to the dump file.
4824
4825 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
4826
4827         * sbitmap.c (sbitmap_range_empty_p): New function.
4828         * sbitmap.h (sbitmap_range_empty_p): New function.
4829         * bitmap.h: Now includes obstack.h.
4830
4831 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
4832             Kenneth Zadeck  <zadeck@naturalbridge.com>
4833
4834         * dbgcnt.def (ra_byte_scan): Added.
4835         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
4836         when the last hit happens for a counter.
4837         * timevar.def (TV_DF_BYTE_LR): New variable.
4838         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
4839         * passes.c (pass_fast_rtl_byte_dce): New pass.
4840         * fwprop.c (update_df): Added mode to call df_ref_create.
4841         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
4842         DF_REF_EXTRACT_OFFSET.
4843         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
4844         DF_BYTE_LR_OUT, df_byte_lr): New macro.
4845         (df_mm): New enum.
4846         (df_ref_extract): Added mode field.
4847         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
4848         DF_REF_EXTRACT_OFFSET.
4849         (DF_REF_EXTRACT_MODE): New macro.
4850         (df_byte_lr_bb_info): New structure.
4851         (df_print_byte_regset, df_compute_accessed_bytes,
4852         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
4853         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
4854         df_byte_lr_simulate_uses,
4855         df_byte_lr_simulate_artificial_refs_at_top,
4856         df_byte_lr_simulate_artificial_refs_at_end,
4857         df_compute_accessed_bytes): New function.
4858         (df_ref_create): Add parameter.
4859         (df_byte_lr_get_bb_info): New inline function.
4860         * df-scan.c (df_ref_record, df_uses_record,
4861         df_ref_create_structure): Added mode parameter.
4862         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
4863         df_defs_record, df_uses_record, df_get_conditional_uses,
4864         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
4865         df_entry_block_defs_collect, df_exit_block_uses_collect):
4866         Added mode parameter to calls to df_ref_record, df_uses_record,
4867         df_ref_create_structure.
4868         (df_ref_equal_p, df_ref_compare): Added test for modes.
4869         (df_ref_create_structure): Added code to set mode.  Renamed
4870         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
4871         DF_REF_EXTRACT_OFFSET.
4872         * df-core.c (df_print_byte_regset): New function.
4873         * df-byte-scan.c: New file.
4874         * df-problems.c (df_rd_transfer_function): Removed unnecessary
4875         calls to BITMAP_FREE.
4876         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
4877         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
4878         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
4879         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
4880         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
4881         df_byte_lr_local_compute, df_byte_lr_init,
4882         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
4883         df_byte_lr_transfer_function, df_byte_lr_free,
4884         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
4885         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
4886         df_byte_lr_simulate_uses,
4887         df_byte_lr_simulate_artificial_refs_at_top,
4888         df_byte_lr_simulate_artificial_refs_at_end): New function.
4889         * dce.c (byte_dce_process_block): New function.
4890         (dce_process_block): au is now passed in rather than computed
4891         locally.  Changed loops that look at artificial defs to not look
4892         for conditional or partial ones, because there never are any.
4893         (fast_dce): Now is able to drive byte_dce_process_block or
4894         dce_process_block depending on the kind of dce being done.
4895         (rest_of_handle_fast_dce): Add parameter to fast_dce.
4896         (rest_of_handle_fast_byte_dce): New function.
4897         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
4898         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
4899
4900 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
4901
4902         PR fortran/35019
4903         * gcc.h: Added fortran options that take arguments to
4904         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
4905         macros.
4906
4907 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
4908
4909         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
4910         scalarization if on the LHS and not a full access.
4911
4912 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4913
4914         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
4915
4916 2008-04-18  Rafael Espindola  <espindola@google.com>
4917
4918         * tree-vrp.c (find_case_label_index): Fix the binary search.
4919         (find_case_label_range): New.
4920         (vrp_visit_switch_stmt): Use find_case_label_range.
4921         (simplify_switch_using_ranges): Use find_case_label_range.
4922
4923 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
4924
4925         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
4926         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
4927
4928 2008-04-18  Tom Tromey  <tromey@redhat.com>
4929
4930         PR libcpp/15500:
4931         * doc/cpp.texi (Implementation-defined behavior): Mention
4932         -finput-charset.
4933
4934 2008-04-18  Ian Lance Taylor  <iant@google.com>
4935
4936         * fold-const.c (pointer_may_wrap_p): New static function.
4937         (fold_comparison): Add another test for pointer overflow.  Use
4938         pointer_may_wrap_p to disable some false positives.
4939
4940 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
4941
4942         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
4943         (fname_as_string): Match updated cpp_interpret_string prototype.
4944         (fix_string_type): Support char16_t* and char32_t*.
4945         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
4946         derivative) nodes.  Register as builtin if C++0x.
4947         (c_parse_error): Support CPP_CHAR{16,32}.
4948         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
4949         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
4950         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
4951         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
4952         CTI_CHAR32_ARRAY_TYPE>: New elements.
4953         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
4954         char32_type_node, signed_char32_type_node, char16_array_type_node,
4955         char32_array_type_node): New defines.
4956         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
4957         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
4958         (lex_string): Support CPP_STRING{16,32}, match updated
4959         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
4960         (lex_charconst): Support CPP_CHAR{16,32}.
4961         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
4962         and CPP_STRING{16,32}.
4963
4964 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
4965
4966         PR bootstrap/35457
4967         * aclocal.m4: Regenerate.
4968         * configure: Regenerate.
4969
4970 2008-04-18  Jan Hubicka  <jh@suse.cz>
4971
4972         * except.c (dw2_size_of_call_site_table,
4973         sjlj_size_of_call_site_table): Use vector API for call_site_record.
4974
4975         * cgraphbuild.c (build_cgraph_edges): Update.
4976         * tree-pass.h: Update comment.
4977         * final.c (leaf_function_p): Update.
4978         (leaf_renumber_regs): Update.
4979         (rest_of_clean_state): Update.
4980         * omp-low.c (expand_omp_parallel): Update.
4981         * ipa-reference.c (analyze_function): Update.
4982         * reorg.c (find_end_label): Update.
4983         (optimize_skip): Update.
4984         (fill_simple_delay_slots): Update.
4985         (fill_simple_delay_slots): Update.
4986         (make_return_insns): Update.
4987         (dbr_schedule): Update.
4988         * gimple-low.c (record_vars_into): Update.
4989         * cfgbuild.c (make_edges): Update.
4990         * function.c (assign_stack_local): Update.
4991         (assign_parm_adjust_stack_rtl): Update.
4992         (locate_and_pad_parm): Update.
4993         (allocate_struct_function): Do not initialize stack_alignment_needed
4994         and preferred_stack_boundary here.
4995         (stack_protect_prologue): Update.
4996         (stack_protect_epilogue): Update.
4997         (expand_function_start): Initialize stack_alignment_needed,
4998         preferred_stack_boundary and max_jumptable_ents.
4999         (expand_function_end): Update.
5000         (free_after_compilation): Do not NULLify epilogue_delay_list.
5001         * function.h (struct rtl_data): Add stack_protect_guard,
5002         stack_alignment_needed,
5003         preferred_stack_boundary, epilogue_delay_list.
5004         (struct function): Remove value_histograms, stack_alignment_needed,
5005         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
5006         last_label_uid,
5007         unexpanded_var_list, stack_protect_guard.
5008         (current_function_epilogue_delay_list): Remove.
5009         * ipa-type-escape.c (analyze_function): Update.
5010         * gimplify.c (pop_gimplify_context): Update comment.
5011         * calls.c (expand_call): Update.
5012         (emit_library_call_value_1): Update.
5013         * except.c (set_nothrow_function_flags): Update.
5014         * cfgexpand.c (get_decl_align_unit): Update.
5015         (create_stack_guard): Update.
5016         (estimated_stack_frame_size): Update.
5017         (expand_used_vars): Update.
5018         (tree_expand_cfg): Free histogram earliers, init expansion variables.
5019         * explow.c (allocate_dynamic_stack_space): Update.
5020         * tree-ssa-live.c (remove_unused_locals): Update.
5021         * varasm.c (mark_constant_pool): Update.
5022         * tree-inline.c (remap_decls): Update.
5023         (initialize_cfun): Update.
5024         (declare_return_variable): Update.
5025         (inline_forbidden_p): Update.
5026         (expand_call_inline): Update.
5027         (declare_inline_vars): Update.
5028         (tree_function_versioning): Update.
5029         * tree-flow.h (value_histograms): New.
5030         (VALUE_HISTOGRAMS): New macro.
5031         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
5032         last_label_uid.
5033         * tree-cfg.c (set_bb_for_stmt): Update.
5034         (replace_by_duplicate_decl): Update.
5035         (move_block_to_fn): Update.
5036         (new_label_mapper): Update.
5037         (dump_function_to_file): Update.
5038         * ipa-struct-reorg.c (build_data_structure): Update.
5039         * cfgrtl.c (print_rtl_with_bb): Update.
5040         * reload1.c (reload): Update.
5041         (reload): Update.
5042         * config/i386/i386.c (setup_incoming_varargs_64,
5043         ix86_compute_frame_layout): Update.
5044         * config/arc/arc.c (arc_output_function_epilogue): Update.
5045
5046 2008-04-18  Marius Strobl <marius@FreeBSD.org>
5047
5048         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
5049         for FreeBSD as well.
5050         * gthr-posix95.h: Likewise.
5051
5052 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
5053
5054         PR rtl-optimization/35838
5055         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
5056         out the byte offset of the first subreg.
5057
5058 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
5059
5060         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
5061         to split_ti instead of three separate calls with single member arrays.
5062         (subti3 splitter): Ditto.
5063         (adddi3 splitter): Ditto with split_di.
5064         (subdi3 splitter): Ditto.
5065         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
5066         two separate calls with single member arrays.  Swap match_dup
5067         operands 1 and 2 to better fit into the array.
5068         (negdi2 splitter): Ditto with split_di.
5069         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
5070         two separate calls with single member arrays.  Swap match_dup operands
5071         6 and 7 to better fit into the array.
5072
5073 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
5074
5075         * config/i386/i386.c (sse_builtin_type): New.
5076         (bdesc_sse_args): Likewise.
5077         (bdesc_sse_3arg): Removed.
5078         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5079         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
5080         IX86_BUILTIN_ROUNDPS.
5081         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
5082         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
5083         IX86_BUILTIN_ROUNDPS.
5084         (ix86_expand_sse_4_operands_builtin): Removed.
5085         (ix86_expand_sse_operands_builtin): New.
5086         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
5087         and CODE_FOR_sse4_1_roundps.
5088         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
5089         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
5090
5091 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
5092
5093         PR target/35907
5094         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
5095         regs before frame pop when needed.  If use_backchain_to_restore_sp
5096         then load backchain into a temp reg to restore vr and vrsave.  Add
5097         code to restore vr after frame pop if possible.
5098
5099 2008-04-17  Richard Guenther  <rguenther@suse.de>
5100
5101         * tree-vn.c (expressions_equal_p): Do not check type
5102         equality or compatibility before calling operand_equal_p.
5103         * fold-const.c (operand_equal_p): Check equivalence of
5104         integer constants before bailing out due to signedness or
5105         precision differences.
5106         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
5107         spurious differences in type qualification.  Ignore types
5108         for COMPONENT_REFs at all.
5109
5110 2008-04-17  Christian Bruel  <christian.bruel@st.com>
5111
5112         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
5113         msw_skip comparison.
5114
5115 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
5116
5117         PR c/35739
5118         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
5119         reg type.
5120
5121         PR tree-optimization/35899
5122         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
5123         rather than TREE_OPERAND.
5124
5125 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
5126
5127         PR target/35944
5128         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
5129         temporary registers.  Change operand predicate to general_operand.
5130         (remainderxf3): Ditto.
5131
5132 2008-04-16  Richard Guenther  <rguenther@suse.de>
5133
5134         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
5135         * tree-affine.c (aff_combination_expand): Look through some
5136         conversions.
5137
5138 2008-04-15  Doug Kwan  <dougkwan@google.com>
5139
5140         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
5141         for hex printing.
5142         * tree-pretty-print.c (dump_generic_node): Ditto.
5143         * final.c (output_addr_const): Ditto.
5144         * dwarf2out.c (output_cfi): Ditto.
5145         * c-pretty-print.c (pp_c_integer_constant): Ditto.
5146         * print-rtl.c (print_rtx): Ditto.
5147         * print-tree.c (print_node_brief, print_node): Ditto.
5148         * c-common.c (match_case_to_enum_1): Ditto.
5149         * sched-vis.c (print_value): Ditto.
5150         * config/i386/i386.c (print_operand): Cast to long unsigned int
5151         for hex printing.
5152
5153 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
5154         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
5155         MS Windows VirtualProtect function.
5156
5157 2008-04-15  Jan Hubicka  <jh@suse.cz>
5158
5159         * gengtype.c (write_root): Param_is argument is OK.
5160         * expr.c (expand_expr_real_1): Update call of get_exception_*.
5161         * function.h: Include varray.h
5162         (rtl_eh): New stucture based on except.c one.
5163         (call_site_record): New forward declaration and vector type.
5164         * calls.c (emit_call_1): Do not call
5165         note_current_region_may_contain_throw.
5166         * except.c (eh_status): Remove cur_region, try_region since they are
5167         unused.
5168         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
5169         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
5170         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
5171         Remove call_site_data_used, call_site_data_size.
5172         Turn call_site_record into vector in function.h.
5173         (note_current_region_may_contain_throw): Remove.
5174         (get_exception_pointer, get_exception_filter): Do not take struct
5175         function argument; update.
5176         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
5177         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
5178         build_post_landing_pads, dw2_build_landing_pads,
5179         sjlj_assign_call_site_values, sjlj_mark_call_sites,
5180         sjlj_emit_function_enter, sjlj_emit_function_enter,
5181         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
5182         sjlj_build_landing_pads, finish_eh_generation,
5183         remove_exception_handler_label, remove_eh_handler,
5184         maybe_remove_eh_handler, add_reachable_handler,
5185         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
5186         add_action_record, collect_one_action_chain, add_call_site,
5187         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
5188         sjlj_output_call_site_table, output_function_exception_table,
5189         * except.h (note_current_region_may_contain_throw): Remove
5190         (get_exception_pointer, get_exception_filter): Do not take struct
5191         function argument.
5192         * Makefile.in (GTFILES): Put varargs before struct function.
5193
5194 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5195
5196         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
5197         punt for STRING_CST.
5198         (get_constraint_for): Deal with STRING_CST here instead.
5199
5200 2008-04-15  Richard Guenther  <rguenther@suse.de>
5201
5202         * tree-ssa-propagate.c (substitute_and_fold): Substitute
5203         statements in a basic-block with a backward walk.  Do not
5204         substitute into dead statements but instead remove those.
5205
5206 2008-04-15  Richard Guenther  <rguenther@suse.de>
5207
5208         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
5209         to zero, thus disable creation of SFTs.
5210
5211 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
5212
5213         * tree-predcom.c (suitable_reference_p): Return false if the
5214         reference can throw.
5215
5216 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
5217
5218         PR c/35751
5219         * c-decl.c (finish_decl): If extern or static var has variable
5220         size, set TREE_TYPE (decl) to error_mark_node.
5221
5222 2008-04-15  Rafael Espindola  <espindola@google.com>
5223
5224         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
5225         variable arg1.
5226
5227 2008-04-15  Richard Guenther  <rguenther@suse.de>
5228
5229         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5230         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
5231         (visit_reference_op_load): Do walk vuse-vdef chains on
5232         vn_reference_lookup.
5233         (visit_reference_op_store): But do not here.
5234         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
5235         vn_reference_lookup.
5236         (vn_lookup_with_vuses): But do so here.
5237
5238 2008-04-14  Ian Lance Taylor  <iant@google.com>
5239
5240         * fold-const.c (fold_overflow_warning): Remove assertion.
5241
5242 2008-04-15  Ben Elliston  <bje@au.ibm.com>
5243
5244         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
5245         temp1 local variables.
5246
5247 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
5248
5249         PR target/35661
5250         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
5251         ".text.unlikely" section as executable.
5252
5253 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
5254
5255         * config/ia64/ia64.c (rtx_needs_barrier): Handle
5256         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
5257         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
5258         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
5259         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
5260         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
5261         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
5262
5263 2008-04-14  Ian Lance Taylor  <iant@google.com>
5264
5265         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
5266         * fold-const.c (fold_comparison): If appropriate, test
5267         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
5268         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
5269         reassociating a pointer type.
5270         * doc/invoke.texi (Optimize Options): Document that
5271         -fstrict-overflow applies to pointer wraparound.
5272
5273 2008-04-13  Jan Hubicka  <jh@suse.cz>
5274
5275         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
5276
5277 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
5278
5279         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
5280         we are going to "save the world".
5281
5282 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
5283
5284         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
5285         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
5286         operand 0 constraint, not "=".
5287
5288 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
5289
5290         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
5291
5292 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5293
5294         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
5295         of size of positions_needed * CHAR_BIT.
5296
5297 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
5298
5299         PR middle-end/35897
5300         * dse.c (store_info): Change positions_needed to unsigned
5301         HOST_WIDE_INT.
5302         (lowpart_bitmask): New.
5303         (record_store): Cast to unsigned HOST_WIDE_INT for
5304         positions_needed.  Assert width <= size of positions_needed *
5305         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
5306         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
5307         lowpart_bitmask to set mask.
5308
5309 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5310
5311         * config/bfin/constraints.md: New file.
5312         * config/bfin/bfin.md: Include it.
5313         (adddi3): Use satisfies_constraint functions instead of the old macros.
5314         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
5315         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
5316         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
5317         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
5318         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
5319         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
5320         EXTRA_CONSTRAINT): Delete.
5321         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
5322         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
5323         of the old macros.
5324         * config/bfin/bfin.c: Include "tm-constrs.h".
5325         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
5326         Use satisfies_constraint functions instead of the old macros.
5327         * doc/md.texi (Blackfin Constraints): Update file name reference.
5328
5329 2008-04-11  Richard Guenther  <rguenther@suse.de>
5330
5331         PR tree-optimization/35869
5332         * tree-vrp.c (execute_vrp): Move switch statement update after
5333         jump threading.  Schedule another cfg cleanup run.
5334
5335 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
5336
5337         PR c/35744
5338         * attribs.c (decl_attributes): Return early on errorneous node.
5339
5340 2008-04-10  Oleg Ryjkov  <olegr@google.com>
5341
5342         * tree.h (struct tree_base): Added a new flag default_def_flag.
5343         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
5344
5345 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5346
5347         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
5348
5349 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5350
5351         PR target/35768
5352         * pa.md: Define mode iterator P.  Define mode attribute dwc.
5353         (dcacheflush): Update pattern to use iterator P and attribute dwc.
5354         (icacheflush): Likewise.
5355         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
5356         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
5357
5358 2008-04-11  Ben Elliston  <bje@au.ibm.com>
5359
5360         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
5361
5362 2008-04-10  Rafael Espindola  <espindola@google.com>
5363
5364         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
5365         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
5366         (extract_range_from_expr): The same.
5367
5368 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
5369
5370         * config/mips/mips.md (GPR2): New mode iterator.
5371         (seq): Add comment.
5372         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
5373         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
5374         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
5375         Rewrite these to take two modes, the mode of comparison and the
5376         mode of the destination.
5377         * config/mips/mips.c (mips_expand_scc): Instead of having
5378         paradoxical subreg as destination, expand "narrowing" scc if mode
5379         of comparison is SI and target is requested in DI mode.
5380         (mips_emit_int_order_test): Update comment.  Make mode of
5381         comparison match CMP0 rather than TARGET.  When creating inverse
5382         target use mode of TARGET.
5383
5384 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
5385
5386         * gcov-dump.c (tag_summary): Only print summaries for the first
5387         GCOV_COUNTERS_SUMMABLE counters.
5388
5389 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
5390
5391         * config/i386/i386.md (absneg): New code iterator.
5392         (absnegprefix): New code attribute.
5393         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
5394         patterns using absneg code iterator.
5395         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
5396         using absneg code iterator.
5397         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
5398         *neg<mode>2 patterns using absneg code iterator.
5399         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
5400         *negextendsfdf2 patterns using absneg code iterator.
5401         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
5402         *negextendsfxf2 patterns using absneg code iterator.
5403         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
5404         *negextendsfdf2 patterns using absneg code iterator.
5405         * config/i386/sse.md (<code><mode>2): Macroize expander from
5406         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
5407
5408 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5409
5410         * config/s390/s390.h: Remove the remains of the recent search
5411         & replace action of current_function_outgoing_args_size.
5412
5413 2008-04-10  Ira Rosen  <irar@il.ibm.com>
5414
5415         PR tree-optimization/35821
5416         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
5417         NEW_STMT_LIST is not NULL.
5418
5419 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
5420
5421         PR libstdc++/35597
5422         * toplev.c (process_options): Remove -ffunction-sections debugging
5423         warning.
5424
5425 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
5426
5427         PR middle-end/PR28690
5428         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
5429         than gen_rtx_fmt_ee to perform more canonicalizations.
5430
5431 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5432
5433         PR driver/35665
5434         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
5435
5436 2008-04-09  Richard Guenther  <rguenther@suse.de>
5437
5438         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
5439         (dump_function_to_file): Dump function arguments with types.
5440
5441 2008-04-08  Richard Guenther  <rguenther@suse.de>
5442
5443         * fold-const.c (fold_widened_comparison): Do not allow
5444         sign-changes that change the result.
5445
5446 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
5447
5448         PR target/35839
5449         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
5450         kinds of indirect references.
5451
5452 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
5453
5454         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
5455         GNU Fortran language string.
5456
5457 2008-04-08  Rafael Espindola  <espindola@google.com>
5458
5459         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
5460         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
5461         * tree.h (tree_call_nonnegative_warnv_p): New.
5462
5463 2008-04-08  Jan Hubicka  <jh@suse.cz>
5464
5465         * function.c (free_after_compilation): Clear out regno_reg_rtx
5466         pointer.
5467
5468 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
5469
5470         Revert
5471         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
5472
5473         PR middle-end/PR28690
5474         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
5475         same precedence as REG_POINTER and MEM_POINTER operands.
5476
5477 2008-04-08  Richard Guenther  <rguenther@suse.de>
5478
5479         PR middle-end/35834
5480         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
5481         for adding index to base.
5482
5483 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
5484
5485         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
5486         (MINGW_ENABLE_EXECUTE_STACK): New.
5487         (IN_LIBGCC2): For libgcc include windows.h file for
5488         function declarations.
5489
5490 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
5491
5492         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
5493         and tem2 if tem1 is not a REG or MULT.
5494
5495 2008-04-08  Jan Hubicka  <jh@suse.cz>
5496
5497         * function.h (incomming_args): Break out of struct function.
5498         (function_subsections): Break out of struct function.
5499         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
5500         return_rtx and hard_reg_initial_vals from struct function.
5501         Kill inl_max_label_num.
5502         (current_function_pops_args, current_function_args_info,
5503         current_function_args_size, current_function_args_size,
5504         current_function_pretend_args_size,
5505         current_function_outgoing_args_size,
5506         current_function_internal_arg_pointer, current_function_return_rtx):
5507         Kill compatibility accestor macros.
5508         * builtins.c (expand_builtin_apply_args_1): Update.
5509         (expand_builtin_next_arg): Update.
5510         * df-scan.c (df_get_call_refs): Update.
5511         * dbxout.c (dbxout_function_end): Update.
5512         * dwarf2out.c (dwarf2out_switch_text_section): Update.
5513         (output_line_info): Update.
5514         (secname_for_decl): Update.
5515         (dwarf2out_var_location): Update.
5516         * function.c (free_after_compilation): Update.
5517         (assign_parm_find_stack_rtl): Update.
5518         (assign_parms): Update.
5519         (expand_dummy_function_end): Update.
5520         (expand_function_end): Update.
5521         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
5522         (expand_call): Update.
5523         (emit_library_call_value_1): Update.
5524         (store_one_arg): Update.
5525         * varasm.c (initialize_cold_section_name): Update.
5526         (unlikely_text_section): Update.
5527         (unlikely_text_section_p): Update.
5528         (assemble_start_function): Update.
5529         (assemble_end_function): Update.
5530         (default_section_type_flags): Update.
5531         (switch_to_section): Update.
5532         * integrate.c (set_decl_abstract_flags): Update.
5533         (get_hard_reg_initial_val): Update.
5534         (has_hard_reg_initial_val): Update.
5535         (allocate_initial_values): Update.
5536         * resource.c (init_resource_info): Update.
5537         * config/alpha/alpha.c (NUM_ARGS): Update.
5538         (direct_return): Update.
5539         (alpha_va_start): Update.
5540         (alpha_sa_size): Update.
5541         (alpha_initial_elimination_offset): Update.
5542         (alpha_expand_prologue): Update.
5543         (alpha_start_function): Update.
5544         (alpha_expand_epilogue): Update.
5545         (unicosmk_initial_elimination_offset):
5546         * config/alpha/alpha.md (call expander): Update.
5547         * config/s390/s390.c (s390_register_info): Update.
5548         (s390_register_info): Update.
5549         (s390_frame_info): Update.
5550         (s390_initial_elimination_offset): Update.
5551         (s390_build_builtin_va_list): Update.
5552         (s390_va_start): Update.
5553         * config/spu/spu.c (direct_return): Update.
5554         (spu_expand_prologue): Update.
5555         (spu_initial_elimination_offset): Update.
5556         (spu_build_builtin_va_list): Update.
5557         (spu_va_start): Update.
5558         * config/sparc/sparc.c (sparc_init_modes): Update.
5559         (sparc_compute_frame_size): Update.
5560         (function_value): Update.
5561         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
5562         * config/i386/i386.md (return expander): Update.
5563         * config/i386/i386.c (ix86_va_start): Update.
5564         (ix86_can_use_return_insn_p): Update.
5565         (ix86_compute_frame_layout): Update.
5566         (ix86_expand_epilogue): Update.
5567         * config/sh/sh.c (output_stack_adjust): Update.
5568         (calc_live_regs): Update.
5569         (sh_expand_prologue): Update.
5570         (sh_builtin_saveregs): Update.
5571         (sh_va_start): Update.
5572         (initial_elimination_offset): Update.
5573         (sh_allocate_initial_value): Update.
5574         (sh_function_ok_for_sibcall): Update.
5575         (sh_get_pr_initial_val): Update.
5576         * config/sh/sh.md (return expander): Update.
5577         * config/avr/avr.c (frame_pointer_required_p): UPdate.
5578         * config/crx/crx.c (crx_compute_frame): UPdate.
5579         (crx_initial_elimination_offset): UPdate.
5580         * config/xtensa/xtensa.c (compute_frame_size): Update
5581         (xtensa_builtin_saveregs): Update.
5582         (xtensa_va_start): Update.
5583         (order_regs_for_local_alloc): Update.
5584         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
5585         (xstormy16_expand_builtin_va_start): Update.
5586         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
5587         * config/m68hc11/m68hc11.md (return expanders): Update.
5588         * config/m68hc11/m68hc11.c (expand_prologue): Update.
5589         (expand_epilogue): Update.
5590         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
5591         (cris_simple_epilogue): Update.
5592         (cris_expand_prologue): Update.
5593         (cris_expand_epilogue): Update.
5594         * config/iq2000/iq2000.c (iq2000_va_start): Update.
5595         (compute_frame_size): Update.
5596         * config/mt/mt.c (mt_compute_frame_size): Update.
5597         * config/mn10300/mn10300.c (expand_prologue): Update.
5598         (expand_epilogue): Update.
5599         (initial_offset): Update.
5600         (mn10300_builtin_saveregs):
5601         * config/mn10300/mn10300.md (return expander): Update.
5602         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
5603         (ia64_initial_elimination_offset): Update.
5604         (ia64_initial_elimination_offset): Update.
5605         (ia64_expand_prologue): Update.
5606         * config/m68k/m68k.md (return expander): Update.
5607         * config/rs6000/rs6000.c (rs6000_va_start): Update.
5608         (rs6000_stack_info): Update.
5609         * config/mcore/mcore.c (layout_mcore_frame): Update.
5610         (mcore_expand_prolog): Update.
5611         * config/arc/arc.c (arc_compute_frame_size): Update.
5612         * config/score/score3.c (score3_compute_frame_size): Update.
5613         * config/score/score7.c (score7_compute_frame_size): Update.
5614         * config/arm/arm.c (use_return_insn): Update.
5615         (thumb_find_work_register): Update.
5616         (arm_compute_save_reg_mask): Update.
5617         (arm_output_function_prologue): Update.
5618         (arm_output_epilogue): Update.
5619         (arm_size_return_regs): Update.
5620         (arm_get_frame_offsets): Update.
5621         (arm_expand_prologue): Update.
5622         (thumb_exit): Update.
5623         (thumb_unexpanded_epilogue): Update.
5624         (thumb1_output_function_prologue): Update.
5625         * config/pa/pa.md (return expander): Update.
5626         * config/pa/pa.c (compute_frame_size): Update.
5627         (hppa_builtin_saveregs): Update.
5628         * config/mips/mips.c (mips_va_start): Update.
5629         (mips16_build_function_stub): Update.
5630         (mips_compute_frame_info): Update.
5631         (mips_restore_gp): Update.
5632         (mips_output_function_prologue): Update.
5633         (mips_expand_prologue): Update.
5634         * config/v850/v850.c (compute_frame_size): Update.
5635         (expand_prologue): * config/mmix/mmix.c (along): update.
5636         (mmix_initial_elimination_offset): update.
5637         (mmix_reorg): update.
5638         (mmix_use_simple_return): update.
5639         (mmix_expand_prologue): update.
5640         (mmix_expand_epilogue): Update.
5641         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
5642         (emit_link_insn): Update.
5643
5644 2008-04-08  Anatoly Sokolov <aesok@post.ru>
5645
5646         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
5647         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
5648         instructions.
5649         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
5650         atmega103 device.
5651
5652 2008-04-07  Jan Hubicka  <jh@suse.cz>
5653
5654         * function.h (rtl): Rename to x_rtl.
5655         (crtl): New define.
5656         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
5657         frame_offset, stack_check_probe_note, arg_pointer_save_area,
5658         used_temp_slots avail_temp_slots, temp_slot_level,
5659         nonlocal_goto_handler_labels): Update accesstors.
5660         (rtl): New global variable.
5661         (struct function): Move some fileds to rtl_data.
5662         (get_arg_pointer_save_area): Update prototype.
5663         * builtins.c (expand_builtin_setjmp_receiver): Update call of
5664         get_arg_pointer_save_area.
5665         * expr.c (init_expr): Update
5666         * function.c (get_frame_size): Update
5667         (assign_stack_local): Update
5668         (expand_function_end): Update.
5669         (get_art_pointer_save_area): Update
5670         * function.h
5671         * emit-rtl.c (rtl): Declare.
5672         (regno_reg_rtx): Declare.
5673         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
5674         Update.
5675         (gen_reg_rtx): Update.
5676         * varasm.c (n_deferred_constatns): Update accestor.
5677         (init_varasm_status): Do not allocate varasm_status.
5678         (force_const_mem, get_pool_size, output_constant_pool): Update.
5679         * stmt.c (force_label_rtx): Do not use x_ prefixes.
5680         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
5681         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
5682         * sparc/sparc.h (INIT_EXPANDERS): Update.
5683         * ia64/ia64.h (INIT_EXPANDERS): Update.
5684
5685 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
5686
5687         * reload.c (push_secondary_reload): Add missing break to for loop.
5688
5689 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
5690
5691         PR middle-end/PR28690
5692         * rtlanal.c: Update copyright years.
5693         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
5694         as REG_POINTER and MEM_POINTER operands.
5695         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
5696         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
5697         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
5698         * gcse.c: Update copyright years.
5699         (pre_delete): Call gen_reg_rtx_and_attrs.
5700         (hoist_code): Likewise.
5701         (build_store_vectors): Likewise.
5702         (delete_store): Likewise.
5703         * loop-invariant.c (move_invariant_reg): Likewise.
5704         Update copyright years.
5705
5706 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
5707
5708         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
5709         control string instead of quoted.
5710
5711 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
5712
5713         * doc/rtl.texi: Rewrite of subreg section.
5714
5715 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
5716
5717         PR/35842
5718         * config/i386/i386.c (legitimize_pic_address): Add treating
5719         of dllimport SYM_REF's.
5720         (legitimize_dllimport_symbol): Add prototype.
5721
5722 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
5723
5724         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
5725         reference in constructor with non self-referential type.
5726
5727 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
5728
5729         Removal of Return with Depressed Stack Pointer support
5730         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
5731         (ECF_SP_DEPRESSED): Likewise.
5732         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
5733         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
5734         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
5735         (expand_call): Do not test ECF_SP_DEPRESSED.
5736         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
5737         * function.c (keep_stack_depressed): Delete.
5738         (handle_epilogue_set): Likewise.
5739         (update_epilogue_consts): Likewise.
5740         (emit_equiv_load): Likewise.
5741         (thread_prologue_and_epilogue_insns): Remove support for Return with
5742         Depressed Stack Pointer.
5743         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
5744
5745 2008-04-06  Richard Guenther  <rguenther@suse.de>
5746
5747         PR tree-optimization/35400
5748         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
5749         information from SSA_NAMEs.
5750
5751 2008-04-06  Anatoly Sokolov <aesok@post.ru>
5752
5753         * config/avr/avr.h (avr_mega_p): Remove declaration.
5754         (AVR_MEGA): Remove macro.
5755         * config/avr/avr.c (avr_mega_p): Remove variable.
5756         (avr_override_options): Remove inicializion of avr_mega_p.
5757         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
5758         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
5759         (avr_jump_mode): (Ditto.).
5760         (avr_output_progmem_section_asm_op): (Ditto.).
5761         (avr_asm_init_sections): (Ditto.).
5762         (avr_asm_init_sections): (Ditto.).
5763         (avr_rtx_costs): (Ditto.).
5764         * config/avr/avr.md: (Ditto.).
5765         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
5766         '__AVR_MEGA__'.
5767
5768 2008-04-06  Richard Guenther  <rguenther@suse.de>
5769
5770         PR tree-optimization/35842
5771         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
5772         is_gimple_invariant_address.
5773
5774 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
5775
5776         * gcc.c (default_compilers): Sync Fortran extensions list with
5777         that in fortran/lang-specs.h.
5778         * doc/invoke.texi: Likewise.
5779         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
5780         * dwarf2out.c (gen_compile_unit_die): Likewise.
5781
5782 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
5783
5784         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
5785
5786 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
5787
5788         PR target/12329
5789         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
5790         attribute is used for nested functions.
5791
5792 2008-04-05  Jan Hubicka  <jh@suse.cz>
5793
5794         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
5795
5796         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
5797         letter argument.
5798         (dump_files): Update.
5799         (enable_rtl_dump_file): Do not accept letter argument.
5800         * tree-pass.h (dump_file_info): Remove letter argument.
5801         * toplev.c (decode_d_option): Update -da handling.
5802         * toplev.h (enable_rtl_dump_file): Update prototype.
5803         * passes.c (register_one_dump_file): Do not accept IPA argument; work
5804         it out based on pass type.
5805         (register_dump_files_1): Likewise.
5806         (init_optimization_passes): Update register_one_dump_file calls.
5807         (execute_one_pass): Sanity check that IPA passes are called at IPA
5808         level and RTL passes at RTL level.
5809         (execute_pass_list): IPA pass can not be after or subpass of
5810         GIMPLE/RTL pass.
5811         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
5812         disallov RTL subpasses of IPA subpasses.
5813
5814 2008-04-05  Ben Elliston  <bje@au.ibm.com>
5815
5816         * tree-cfg.c (need_fake_edge_p): Return false for calls to
5817         builtins that return exactly once and do not throw. Cache call to
5818         call_expr_flags.
5819
5820 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
5821
5822         PR rtl-optimization/34916
5823         PR middle-end/35519
5824         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
5825         between instruction pairs.
5826
5827 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
5828
5829         * doc/invoke.texi: Document -mbitops for SH.
5830         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
5831         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
5832         * config/sh/sh.c (print_operand): Add %t operand code.
5833         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
5834         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
5835         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
5836         (extendqihi2): Likewise.
5837         (movqi_i): Likewise.
5838         (insv): Use bset, bclr and bst instructions for SH2A if possible.
5839         (extv): Use bld instruction for SH2A if possible.
5840         (extzv): Likewise.
5841         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
5842         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
5843         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
5844         (bset.b, bclr.b): Define peepholes.
5845         * config/sh/sh.opt (mbitops): New option.
5846
5847 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
5848
5849         PR target/35620
5850         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
5851         and view convert expression.
5852
5853 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
5854
5855         PR target/35364
5856         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
5857
5858 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
5859
5860         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
5861
5862         * config/i386/cpuid.h (bit_AES): New.
5863         (bit_PCLMUL): Likewise.
5864
5865         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
5866         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
5867         SSE2 if AES or PCLMUL is enabled.
5868         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
5869         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
5870         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
5871         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
5872         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
5873         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
5874         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
5875         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
5876         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
5877         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
5878         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
5879         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
5880         __builtin_ia32_aeskeygenassist128 and
5881         __builtin_ia32_pclmulqdq128.
5882         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
5883         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
5884         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
5885
5886         * config/i386/i386.h (TARGET_AES): New.
5887         (TARGET_PCLMUL): Likewise.
5888         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
5889
5890         * config/i386/i386.md (UNSPEC_AESENC): New.
5891         (UNSPEC_AESENCLAST): Likewise.
5892         (UNSPEC_AESDEC): Likewise.
5893         (UNSPEC_AESDECLAST): Likewise.
5894         (UNSPEC_AESIMC): Likewise.
5895         (UNSPEC_AESKEYGENASSIST): Likewise.
5896         (UNSPEC_PCLMUL): Likewise.
5897
5898         * config/i386/i386.opt (maes): New.
5899         (mpclmul): Likewise.
5900
5901         * config/i386/sse.md (aesenc): New pattern.
5902         (aesenclast): Likewise.
5903         (aesdec): Likewise.
5904         (aesdeclast): Likewise.
5905         (aesimc): Likewise.
5906         (aeskeygenassist): Likewise.
5907         (pclmulqdq): Likewise.
5908
5909         * config/i386/wmmintrin.h: New.
5910
5911         * doc/extend.texi: Document AES and PCLMUL built-in function.
5912
5913         * doc/invoke.texi: Document -maes and -mpclmul.
5914
5915 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
5916
5917         * function.c (free_after_parsing): Replace with
5918         cxx_push_function_context from C++ front-end.
5919         (allocate_struct_function): Don't call langhook.
5920         * langhooks.h (struct lang_hooks_for_functions): Delete.
5921         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
5922         member "function".
5923         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
5924         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
5925         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
5926         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
5927         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
5928         remove LANG_HOOKS_FUNCTION_INITIALIZER.
5929         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
5930
5931         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
5932         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
5933
5934 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
5935
5936         PR c/35440
5937         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
5938         for all types.
5939
5940 2008-04-04  Richard Guenther  <rguenther@suse.de>
5941
5942         PR middle-end/35823
5943         * fold-const.c (optimize_minmax_comparison): Use the correct
5944         type for the constant in the simplified comparison.
5945
5946 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
5947
5948         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
5949         Pass L2 size as "--param l2-cache-size" to the compiler.
5950         (decode_l2_cache): New function to decode L2 cache parameters using
5951         0x8000006 extended cpuid function.
5952         (detect_caches_amd): Determine parameters of L2 cache using
5953         decode_l2_caches function.
5954         (decode_caches_intel): Decode L2 cache parameters.
5955         (detect_caches_intel): Determine L2 cache parameters using
5956         decode_caches_intel and decode_l2_caches functions.
5957
5958 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
5959
5960         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
5961         secondary input reload for subword loads from the constant pool.
5962
5963 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
5964
5965         PR target/35713
5966         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
5967           constants of the appropriate size for runtime calculations.
5968
5969         PR c/35712
5970         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
5971           decimal-float literal constant zero.
5972
5973 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
5974
5975         PR c/35738
5976         * c-parser.c (c_parser_omp_atomic): Call
5977         default_function_array_conversion on the RHS.
5978
5979         PR middle-end/35818
5980         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
5981         call is_variable_sized if decl has incomplete type.
5982
5983 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
5984
5985         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
5986
5987 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
5988
5989         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
5990         iterators.
5991         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
5992         (sgt<u>): Merge sgt and sgtu into new expander.
5993         (sgt, sgtu): Remove expanders.
5994         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
5995         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
5996         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
5997         *sgtu_<mode>_mips16 into new pattern.
5998         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
5999         (sge<u>): Merge sge and sgeu into new expander.
6000         (sge, sgeu): Remove expanders.
6001         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
6002         new pattern.
6003         (*sge_<mode>, second *sge_<mode>): Remove patterns.
6004         (slt<u>): Merge slt and sltu into new expander.
6005         (slt, sltu): Remove expanders.
6006         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
6007         (*slt_<mode>, *sltu_<mode>): Remove patterns.
6008         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
6009         *sltu_<mode>_mips16 into new pattern.
6010         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
6011         (sle<u>): Merge sle and sleu into new expander.
6012         (sle, sleu): Remove expanders.
6013         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
6014         (*sle_<mode>, *sleu_<mode>): Remove patterns.
6015         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
6016         *sleu_<mode>_mips16 into new pattern.
6017         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
6018
6019 2008-04-03  Jan Hubicka  <jh@suse.cz>
6020
6021         PR tree-optimization/35795
6022         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
6023         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6024         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
6025         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
6026         * score/score3.c (score3_output_mi_thunk): Likewise.
6027         * score/score7.c (score7_output_mi_thunk): Likewise.
6028         * mips/mips.c (mips_output_mi_thunk): Likewise.
6029
6030 2008-04-03  Richard Guenther  <rguenther@suse.de>
6031
6032         * tree-vrp.c (extract_range_from_unary_expr): Handle all
6033         conversions.  Simplify code.
6034
6035 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6036
6037         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
6038
6039 2008-04-03  Tom Tromey  <tromey@redhat.com>
6040             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6041
6042         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
6043         * config/bfin/t-bfin-linux (generated_files): Add
6044         linux-sysroot-suffix.h.
6045         * doc/install.texi (Prerequisites): Require make 3.80.
6046         * doc/sourcebuild.texi (Front End Directory): Document new
6047         variable.
6048         * Makefile.in (generated_files): New variable.
6049         (ALL_HOST_OBJS): New variable.
6050         ($(ALL_HOST_OBJS)): New target.
6051
6052 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6053
6054         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
6055         (remap_block): Call id->transform_lang_insert_block instead
6056         of langhook.
6057         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
6058         Set id.transform_lang_insert_block to NULL.
6059         (clone_body): Move to cp/optimize.c
6060         * tree-inline.h (struct copy_body_data): Change
6061         transform_lang_insert_block to function pointer.
6062         (copy_generic_body, copy_decl_no_change): Export.
6063         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
6064         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
6065         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
6066
6067         * c-tree.h (insert_block): Kill.
6068         * c-decl.c (insert_block): Kill.
6069
6070 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
6071
6072         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6073         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6074         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
6075         argument.
6076         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
6077         argument, call {push,pop}_function_context from here.
6078         * c-parser.c: Use c_{push,pop}_function_context.
6079
6080         * function.c (push_function_context_to): Move meat ...
6081         (push_function_context): ... here.  Simplify.
6082         * function.c (pop_function_context_from): Move meat ...
6083         (pop_function_context): ... here.  Simplify.
6084         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
6085         leave_nested).
6086         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
6087         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
6088         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
6089         * tree.h (push_function_context_to, pop_function_context_from): Remove.
6090
6091 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6092
6093         * expmed.c (extract_force_align_mem_bit_field): Remove.
6094
6095 2008-04-03  Richard Guenther  <rguenther@suse.de>
6096
6097         PR middle-end/35800
6098         * expr.h (try_casesi): Adjust prototype.
6099         * expr.c (try_casesi): Take fallback label as extra parameter.
6100         Use that for gen_casesi if default_label is NULL.
6101         * stmt.c (expand_case): Pass fallback label to try_casesi,
6102         make sure to fill gaps with a fallback label if default_label
6103         is not present.
6104
6105 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
6106
6107         PR target/35801
6108         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
6109
6110 2008-04-03  Ben Elliston  <bje@au.ibm.com>
6111
6112         * expmed.c (extract_split_bit_field): Remove if (0) code.
6113         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
6114         (do_ds_constraint): Likewise.
6115
6116 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
6117
6118         * doc/cppopts.texi (-dU): Document.
6119         * c-common.h (flag_dump_macros): Update comment.
6120         * c-opts.c (handle_OPT_d): Handle -dU.
6121         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
6122         dump_queued_macros, cb_used_define, cb_used_undef): New.
6123         (init_pp_output): Handle -dU.
6124         (cb_line_change): Call dump_queued_macros.
6125         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
6126
6127 2008-04-02  Anatoly Sokolov <aesok@post.ru>
6128
6129         * config/avr/predicates.md (io_address_operand): New predicate.
6130         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
6131         * config/avr/avr.c (avr_io_address_p): Remove function.
6132         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
6133         'avr_io_address_p' function.
6134         (out_movhi_r_mr): (Ditto.).
6135         (out_movqi_mr_r): (Ditto.).
6136         (out_movhi_mr_r): (Ditto.).
6137         (avr_address_cost): (Ditto.).
6138
6139 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
6140
6141         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
6142         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
6143         in 32bit mode when XMM registers are available to avoid store
6144         forwarding stalls.
6145         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
6146         corresponding post-reload splitters.
6147
6148 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6149
6150         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
6151         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
6152         __builtin_ia32_roundss.
6153         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
6154         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
6155         __builtin_ia32_roundss.
6156         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
6157         IX86_BUILTIN_SHUFPD here.
6158
6159 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6160
6161         * config/i386/i386.md (plogic): New.
6162         (plogicprefix): Likewise.
6163
6164         * config/i386/mmx.md (mmx_<code><mode>3): New.
6165         (mmx_and<mode>3): Removed.
6166         (mmx_ior<mode>3): Likewise.
6167         (mmx_xor<mode>3): Likewise.
6168
6169         * config/i386/sse.md (<code><mode>3): New.
6170         (*<code><mode>3): Likewise.
6171         (*<code><mode>3): Likewise.
6172         (<code><mode>3): Likewise.
6173         (*sse_<code><mode>3): Likewise.
6174         (*sse2_<code><mode>3): Likewise.
6175         (<code>tf3): Likewise.
6176         (*<code>tf3): Likewise.
6177         (and<mode>3): Likewise.
6178         (*and<mode>3): Likewise.
6179         (ior<mode>3): Removed.
6180         (*ior<mode>3): Likewise.
6181         (xor<mode>3): Likewise.
6182         (*xor<mode>3): Likewise.
6183         (*and<mode>3): Likewise.
6184         (*ior<mode>3): Likewise.
6185         (*xor<mode>3): Likewise.
6186         (and<mode>3): Likewise.
6187         (*sse_and<mode>3): Likewise.
6188         (*sse2_and<mode>3): Likewise.
6189         (andtf3): Likewise.
6190         (*andtf3): Likewise.
6191         (ior<mode>3): Likewise.
6192         (*sse_ior<mode>3): Likewise.
6193         (*sse2_ior<mode>3): Likewise.
6194         (iortf3): Likewise.
6195         (*iortf3): Likewise.
6196         (xor<mode>3): Likewise.
6197         (*sse_xor<mode>3): Likewise.
6198         (*sse2_xor<mode>3): Likewise.
6199         (xortf3): Likewise.
6200         (*xortf3): Likewise.
6201
6202 2008-04-02  Richard Guenther  <rguenther@suse.de>
6203
6204         PR tree-optimization/14495
6205         PR tree-optimization/34793
6206         * tree-vrp.c (struct switch_update): New structure.
6207         (to_remove_edges, to_update_switch_stmts): New VECs.
6208         (simplify_switch_using_ranges): New function.  Remove not taken
6209         case labels and edges.
6210         (simplify_stmt_using_ranges): Call it.
6211         (identify_jump_threads): Mark edges we have queued for removal
6212         so we don't thread them.
6213         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
6214         case label vector.
6215         * tree-cfg.c (group_case_labels): Deal with missing default label.
6216         (tree_verify_flow_info): Allow missing default label.
6217         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
6218         (emit_case_nodes): Likewise.
6219         (expand_case): Do not rely on the default label to be present.
6220         * expr.c (try_casesi): Deal with NULL default_label.
6221         (do_tablejump): Likewise.
6222
6223 2008-04-02  Richard Guenther  <rguenther@suse.de>
6224
6225         PR tree-optimization/14495
6226         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
6227         SWITCH_EXPR here ...
6228         (vrp_visit_switch_stmt): ... but here (new function).
6229         (find_case_label_index): New helper function.
6230         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
6231
6232 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6233
6234         * fwprop.c: Fix ISO-C99ism.
6235
6236 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6237
6238         PR bootstrap/35752
6239         * Makefile.in (objdir): Set it here.
6240         * configure.ac: Not here.  Find dynamic linker characteristics.
6241         * exec-tool.in: Use them.
6242         * aclocal.m4: Regenerate.
6243         * configure: Regenerate.
6244
6245 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6246
6247         * expr.c (expand_var): Delete it.
6248         * expr.h (expand_var): Delete prototype.
6249         * function.c (expand_function_start): Use expand_decl instead.
6250         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
6251         langhook.
6252
6253 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
6254
6255         PR rtl-optimization/35542
6256         * fwprop.c (forward_propagate_and_simplify): Replace
6257         loc_reg_mentioned_in_p with reg_mentioned_p.
6258
6259 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
6260
6261         PR rtl-optimization/35281
6262         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
6263         (propagate_rtx_1): Handle PR_HANDLE_MEM.
6264         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
6265         (varying_mem_p): Move above propagate_rtx.
6266         (all_uses_available_at): Do not check MEMs.
6267
6268 2008-04-02  Rafael Espindola  <espindola@google.com>
6269
6270         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
6271         (register_edge_assert_for_2): Split the cond argument.
6272         (register_edge_assert_for_1): Adjust for the change in
6273         register_edge_assert_for_2.
6274         (register_edge_assert_for): Split the cond argument.
6275         (find_switch_asserts): Adjust for the change in
6276         register_edge_assert_for.
6277
6278 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
6279
6280         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
6281         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
6282         offsets for 64-bit mingw.
6283         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
6284         abi for x86_64-pc-mingw.
6285
6286 2008-04-02  Richard Guenther  <rguenther@suse.de>
6287
6288         * tree-vrp.c (extract_range_from_assert): Make sure to not
6289         produce range min/max with TREE_OVERFOW set.
6290         If merging a anti-range and a range keep the anti-range if
6291         the range covers all values of the type.
6292         (register_edge_assert_for_2): Only allow sign-changing
6293         conversions in detecting canonical range checks.  Also
6294         register an assert for the unsigned name if useful.
6295
6296         PR tree-optimization/35787
6297         * tree-vrp.c (vrp_val_max): New function.
6298         (vrp_val_min): Likewise.
6299         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
6300         (vrp_val_is_min): Likewise.
6301         (supports_overflow_infinity): Use vrp_val_{min,max}.
6302         (negative_overflow_infinity): Likewise.
6303         (positive_overflow_infinity): Likewise.
6304         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
6305         (is_positive_overflow_infinity): Likewise.
6306         (is_overflow_infinity): Likewise.
6307         (avoid_overflow_infinity): Use vrp_val_{min,max} and
6308         vrp_val_is_{min,max}.
6309         (set_and_canonicalize_value_range): Canonicalize anti-ranges
6310         to ranges if possible.  Avoid empty ranges.
6311
6312 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6313
6314         PR middle-end/35705
6315         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
6316         the expression is a function address.
6317
6318 2008-04-01  George Helffrich  <george@gcc.gnu.org>
6319
6320         PR fortran/35154, fortran/23057
6321         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
6322         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
6323         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
6324         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
6325         in common.
6326         (dbxout_syms): Check for COMMON-based symbol and wrap in
6327         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
6328         in bracket for efficiency.
6329
6330         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
6331         using DW_TAG_common_block + member offset.
6332         (add_pubname_string): New function.
6333         (dw_expand_expr): New function to find block name and offset for
6334         COMMON var.
6335         (common_check): New function to check whether symbol in Fortran COMMON.
6336         (gen_variable_die): If COMMON, use DW_TAG_common_block.
6337
6338 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
6339
6340         PR c/35436
6341         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
6342
6343 2008-04-02  Ben Elliston  <bje@au.ibm.com>
6344
6345         * config/v850/v850.md (casesi): Remove if (0) code.
6346         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
6347         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
6348
6349 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
6350
6351         * config/i386/i386.md (rex64suffix): New mode attribute.
6352         (floathi<mode>2): Disable expander for SSE math.
6353         (*floathi<mode>2_1): New insn insn_and_split pattern.
6354         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
6355         corresponding post-reload splitters.
6356         (*floathi<mode>2_i387): New macroized insn pattern.
6357         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
6358         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
6359         insn_and_split pattern.
6360         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
6361         New macroized instruction patterns and corresponding post-reload
6362         splitters.
6363         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
6364         and corresponding post-reload splitters.
6365         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
6366         New macroized instruction patterns.
6367         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
6368         macroized instruction patterns and corresponding post-reload splitters.
6369         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
6370         corresponding post-reload splitters.
6371         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
6372         New macroized instruction patterns.
6373         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
6374         corresponding post-reload splitters.
6375         (*floatsi<mode>2_i387): New macroized instruction patterns.
6376
6377 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
6378
6379         * config/i386/i386.md (smaxmin): New.
6380         (umaxmin): Likewise.
6381         (maxminiprefix): Likewise.
6382         (maxminfprefix): Likewise.
6383         (<code><mode>3): Likewise.
6384         (smin<mode>3): Removed.
6385         (smax<mode>3): Likewise.
6386
6387         * config/i386/mmx.md (mmx_<code>v2sf3): New.
6388         (mmx_<code>v4hi3): Likewise.
6389         (mmx_<code>v8qi3): Likewise.
6390         (mmx_smaxv2sf3): Removed.
6391         (mmx_sminv2sf3): Likewise.
6392         (mmx_umaxv8qi3): Likewise.
6393         (mmx_smaxv4hi3): Likewise.
6394         (mmx_uminv8qi3): Likewise.
6395         (mmx_sminv4hi3): Likewise.
6396
6397         * config/i386/sse.md (<addsub><mode>3): New.
6398         (*<addsub><mode>3): Likewise.
6399         (<sse>_vm<addsub><mode>3): Likewise.
6400         (<maxmin><mode>3): Likewise.
6401         (*<maxmin><mode>3_finite): Likewise.
6402         (*<maxmin><mode>3): Likewise.
6403         (<sse>_vm<maxmin><mode>3): Likewise.
6404         (sse3_h<addsub>v4sf3): Likewise.
6405         (sse3_h<addsub>v2df3): Likewise.
6406         (<maxmin>v16qi3): Likewise.
6407         (*<maxmin>v16qi3): Likewise.
6408         (<maxmin>v8hi3): Likewise.
6409         (*<maxmin>v8hi3): Likewise.
6410         (*sse4_1_<maxmin><mode>3): Likewise.
6411         (*sse4_1_<maxmin><mode>3): Likewise.
6412         (add<mode>3): Removed.
6413         (*add<mode>3): Likewise.
6414         (<sse>_vmadd<mode>3): Likewise.
6415         (sub<mode>3): Likewise.
6416         (*sub<mode>3): Likewise.
6417         (<sse>_vmsub<mode>3): Likewise.
6418         (smin<mode>3): Likewise.
6419         (*smin<mode>3_finite): Likewise.
6420         (*smin<mode>3): Likewise.
6421         (<sse>_vmsmin<mode>3): Likewise.
6422         (smax<mode>3): Likewise.
6423         (*smax<mode>3_finite): Likewise.
6424         (*smax<mode>3): Likewise.
6425         (<sse>_vmsmax<mode>3): Likewise.
6426         (sse3_haddv4sf3): Likewise.
6427         (sse3_haddv2df3): Likewise.
6428         (sse3_hsubv4sf3): Likewise.
6429         (sse3_hsubv2df3): Likewise.
6430         (umaxv16qi3): Likewise.
6431         (*umaxv16qi3): Likewise.
6432         (smaxv8hi3): Likewise.
6433         (*smaxv8hi3): Likewise.
6434         (*sse4_1_smax<mode>3): Likewise.
6435         (*sse4_1_umax<mode>3): Likewise.
6436         (uminv16qi3): Likewise.
6437         (*uminv16qi3): Likewise.
6438         (sminv8hi3): Likewise.
6439         (*sminv8hi3): Likewise.
6440         (*sse4_1_smin<mode>3): Likewise.
6441         (*sse4_1_umin<mode>3): Likewise.
6442
6443 2008-04-01  Rafael Espindola  <espindola@google.com>
6444
6445         * tree-cfg.c (verify_expr): remove in_phi.
6446         (verify_stmt): Don't call walk_tree with verify_expr. Use
6447         is_gimple_min_invariant instead of is_gimple_val.
6448
6449 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
6450
6451         * doc/include/gpl_v3.texi: Update for manpage generation.
6452         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
6453         gpl.texi.
6454         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
6455         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
6456         gpl_v3.texi instead of gpl.texi.
6457         (gpl.pod): New.
6458
6459 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
6460
6461         PR pch/13675
6462         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
6463
6464 2008-04-01  Rafael Espindola  <espindola@google.com>
6465
6466         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
6467         (extract_code_and_val_from_cond): Use
6468         extract_code_and_val_from_cond_with_ops.
6469
6470 2008-04-01  Jan Hubicka  <jh@suse.cz>
6471
6472         * function.c (free_after_compilation): Free epilogue_delay_list.
6473         (prepare_function_start): Assert that previous compilation was freed.
6474
6475 2008-04-01  Jan Hubicka  <jh@suse.cz>
6476             Jim Wilson  <wilson@tuliptree.org>
6477             Andreas Tobler <andreast@gcc.gnu.org>
6478
6479         PR middle-end/35781
6480         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
6481         rtl.emit instead cfun->emit.
6482         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
6483         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
6484
6485 2008-04-01  Ben Elliston  <bje@au.ibm.com>
6486
6487         * doc/c-tree.texi (Function Basics): Fix grammatical error.
6488
6489 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
6490
6491         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
6492         New options
6493         (fprofile-use): Add var flag_profile_use
6494         * coverage.c (coverage_begin_output): Do not open a gcno file for
6495         output only if -ftest-coverage is set.
6496         Do not add getpwd() to gcda file path.
6497         (build_gcov_info): Check the new flag
6498         flag_profile_datafile_relative_path.
6499         (coverage_init): Use profile_data_prefix.
6500         Read profile counter only if flag_profile_use is set.
6501         * opts.c (common_handle_option): New option fprofile-use=,
6502         fprofile-dir=, fprofile-generate=.
6503         * toplev.c (profile_data_prefix): New variable definition.
6504         * toplev.h (profile_data_prefix): New declaration.
6505         * doc/invoke.tex (Option Summary, Optimization Options):
6506         Add new options.
6507
6508 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
6509
6510         * varasm.c (output_constant_pool_1): In LABEL_REF check,
6511         use tmp consistently.
6512
6513         PR target/35695
6514         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
6515         * config/ia64/ia64.c (rtx_needs_barrier): Handle
6516         UNSPEC_FR_RECIP_APPROX_RES.
6517         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
6518
6519 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
6520
6521         PR c/35750
6522         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
6523
6524 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6525
6526         PR middle-end/30186
6527         * fold-const.c (fold_indirect_ref_1): Support accessing non first
6528         element of the vector via a pointer.
6529
6530 2008-03-31  Ian Lance Taylor  <iant@google.com>
6531
6532         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
6533
6534 2008-03-31  Jan Hubicka  <jh@suse.cz>
6535
6536         * builtins.c (expand_builtin_setjmp_receiver): Update call of
6537         get_arg_pointer_save_area.
6538         * expr.c (init_expr): Just clear out rtl.expr.
6539         * function.c (free_after_compilation): Clear out whole RTL structure.
6540         (get_func_frame_size): Merge into ...
6541         (get_frame_size): ... this one.
6542         (assign_stack_local_1): Merge into ...
6543         (assign_stack_local): ... this one.
6544         (expand_function_end): Update call of get_arg_pointer_save_area.
6545         (get_art_pointer_save_area): Remove cfun argument.
6546         * function.h (emit_status): regno_pointer_align does not need length
6547         attribute. Move x_regno_reg_rtx to ...
6548         (regno_reg_rtx): ... new global array.
6549         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
6550         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
6551         apply_args_value, forced_labels, stack_pointer_delta):
6552         Update accestors.
6553         (struct varasm_status): Move here from varasm.c
6554         (struct rtl_data): New. Move here some fields from struct function.
6555         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
6556         frame_offset, stack_check_probe_note, arg_pointer_save_area,
6557         used_temp_slots avail_temp_slots, temp_slot_level,
6558         nonlocal_goto_handler_labels): Update accesstors.
6559         (rtl): New global variable.
6560         (struct function): Move some fileds to rtl_data.
6561         (get_arg_pointer_save_area): Update prototype.
6562         * emit-rtl.c (rtl): Declare.
6563         (regno_reg_rtx): Declare.
6564         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
6565         Update.
6566         (gen_reg_rtx): Update.
6567         (init_virtual_regs): Do not tate emit_status argument.
6568         (init_emit): Do not allocate emit.
6569         * varasm.c (varasm_statuc): Move to function.h.
6570         (n_deferred_constatns): Update accestor.
6571         (init_varasm_status): Do not allocate varasm_status.
6572         (force_const_mem, get_pool_size, output_constant_pool): Update.
6573         * stmt.c (force_label_rtx): Do not use x_ prefixes.
6574         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
6575
6576 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
6577
6578         PR rtl-optimization/35729
6579         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
6580         references.
6581
6582 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
6583
6584         PR target/32000
6585         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
6586         load/store if memory is unaligned.
6587         (*movti_rex64): Likewise.
6588
6589         * config/i386/predicates.md (misaligned_operand): New.
6590
6591 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
6592
6593         PR tree-opt/35431
6594         * tree-ssa-phiopt.c (conditional_replacement): Return early for
6595         complex types.
6596
6597 2008-03-31  Jan Beulich  <jbeulich@novell.com>
6598
6599         * config/ia64/constraints.md: Add 'j' constraint.
6600         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
6601         (movdi_internal): Likewise.
6602
6603 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
6604
6605         PR c/35748
6606         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
6607
6608 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6609
6610         PR target/35757
6611         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
6612         proper error message for the third argument on blendpd and
6613         blendps.
6614
6615         * config/i386/sse.md (blendbits): New.
6616         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
6617
6618 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
6619
6620         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
6621
6622 2008-03-30  Richard Guenther  <rguenther@suse.de>
6623
6624         PR middle-end/31023
6625         * fold-const.c (fold_sign_changed_comparison): Do leave
6626         conversions to base-types alone.
6627
6628 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6629
6630         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
6631         the link register if one altivec register is be saved.
6632
6633 2008-03-30  Ben Elliston  <bje@au.ibm.com>
6634
6635         * final.c (final_scan_insn): Remove if (0) code.
6636
6637 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
6638
6639         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
6640
6641 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
6642
6643         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
6644         of V4SFmode to ix86_binary_operator_ok.
6645
6646 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
6647
6648         * config/i386/i386.c (override_options): Initialize
6649         ix86_veclib_handler to ix86_veclibabi_svml when
6650         -mveclibabi=svml is used.
6651         (ix86_veclibabi_svml): New function for SVML ABI style
6652         vectorization support.
6653         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
6654
6655 2008-03-28  Rafael Espindola  <espindola@google.com>
6656
6657         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
6658         (tree_binary_nonnegative_warnv_p): Make it public.
6659         (tree_single_nonnegative_warnv_p): Make it public.
6660         (tree_invalid_nonnegative_warnv_p): Make it public.
6661         (tree_unary_nonzero_warnv_p): Make it public.
6662         (tree_binary_nonzero_warnv_p): Make it public
6663         (tree_single_nonzero_warnv_p): Make it public.
6664         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
6665         (extract_range_from_binary_expr): Split the expr argument.
6666         (extract_range_from_unary_expr): Split the expr argument.
6667         (extract_range_from_comparison): Split the expr argument.
6668         (extract_range_from_expr): Use the new aux functions.
6669         (vrp_evaluate_conditional_warnv): Use
6670         vrp_evaluate_conditional_warnv_with_ops.
6671         * tree.h (tree_unary_nonzero_warnv_p): Declare.
6672         (tree_binary_nonzero_warnv_p): Declare.
6673         (tree_single_nonzero_warnv_p): Declare.
6674         (tree_expr_nonzero_warnv_p): Declare.
6675         (tree_unary_nonnegative_warnv_p): Declare.
6676         (tree_binary_nonnegative_warnv_p): Declare.
6677         (tree_single_nonnegative_warnv_p): Declare.
6678         (tree_invalid_nonnegative_warnv_p): Declare.
6679
6680 2008-03-28  Richard Guenther  <rguenther@suse.de>
6681
6682         PR tree-optimization/30317
6683         PR tree-optimization/30911
6684         PR tree-optimization/34793
6685         * tree-vrp.c (set_and_canonicalize_value_range): New function.
6686         (struct assert_locus_d): New member EXPR.
6687         (register_new_assert_for): Add EXPR parameter to support
6688         ASSERT_EXPR <name, expr OP limit>.
6689         (register_edge_assert_for_1): Adjust callers.
6690         (find_assert_locations): Likewise.
6691         (process_assert_insertions_for): Build condition from expression.
6692         (extract_range_from_assert): Handle ASSERT_EXPRs
6693         of the form ASSERT_EXPR <name, expr OP limit>.
6694         (register_edge_assert_for_2): New helper registering
6695         asserts for comparisons.  Recognize range tests of the form
6696         (unsigned)i - CST1 OP CST2.
6697         (register_edge_assert_for_1): Use it.
6698         (register_edge_assert_for): Likewise.
6699         (needs_overflow_infinity): Integer sub-types
6700         do not need overflow infinities.
6701         (vrp_val_is_max): The extreme values of integer sub-types
6702         are those of the base type.
6703         (vrp_val_is_min): Likewise.
6704         * tree.def (ASSERT_EXPR): Document extra allowed conditional
6705         expressions.
6706
6707 2008-03-28  Nick Clifton  <nickc@redhat.com>
6708
6709         PR target/31110
6710         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
6711         Return GENERAL_REGS for stack adjustment reloads.
6712
6713 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6714
6715         PR target/31334
6716         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
6717         const_vector when all the vectors are constant.
6718
6719 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
6720
6721         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
6722         comparisons.
6723         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
6724         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
6725         (scc_sf): New.
6726         (s<code>_sf): Use new scc_sf attribute for opcode names.
6727
6728 2008-03-27  Tom Tromey  <tromey@redhat.com>
6729
6730         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
6731         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
6732         config/spu/t-spu-elf, config/i386/t-interix,
6733         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
6734         config/i386/x-darwin, config/i386/x-mingw32,
6735         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
6736         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
6737         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
6738         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
6739         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
6740         config/rs6000/x-darwin, config/rs6000/t-rs6000,
6741         config/score/t-score-elf, config/arm/t-strongarm-pe,
6742         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
6743         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
6744         Revert automatic dependency patch.
6745
6746 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
6747
6748         PR target/35657
6749         * config/i386/i386.c (ix86_function_arg_boundary): Align
6750         decimal floating point to its natural boundary.
6751
6752 2008-03-27  Richard Guenther  <rguenther@suse.de>
6753
6754         PR middle-end/35716
6755         * fold-const.c (fold_comparison): Restrict distinct decl
6756         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
6757         solely rely on operand_equal_p.
6758
6759 2008-03-27  Richard Guenther  <rguenther@suse.de>
6760
6761         PR c/32511
6762         * c-common.c (handle_weak_attribute): Reject combination of
6763         weak and inline.
6764
6765 2008-03-27  Richard Guenther  <rguenther@suse.de>
6766
6767         PR tree-optimization/32810
6768         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
6769         conversions from DECL_INITIAL.
6770         (fold_const_aggregate_ref): Likewise from constructor elements.
6771
6772 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
6773
6774         * tree-affine.h (aff_combination_expand): Declare.
6775         (get_inner_reference_aff): Likewise.
6776         * tree-affine.c (aff_combination_expand): Split out from
6777         tree_to_aff_combination_expand.
6778         (get_inner_reference_aff): New function.
6779         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
6780         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
6781         (struct lim_aux_data): sm_done field removed.
6782         (mem_ref_loc_p, mem_ref_locs_p): New types.
6783         (struct mem_ref): Added id, stored, accesses_in_loop,
6784         indep_loop, dep_loop, indep_ref, dep_ref fields.
6785         Removed is_stored, locs and next fields.
6786         (memory_accesses): New variable.
6787         (movement_possibility): Do not allow moving statements
6788         that store to memory.
6789         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
6790         New functions.
6791         (determine_max_movement): For statements with memory references,
6792         find the outermost loop in that the reference is independent.
6793         (move_computations_stmt): Mark the virtual operands for renaming.
6794         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
6795         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
6796         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
6797         add_vop_ref_mapping, create_vop_ref_mapping_loop,
6798         create_vop_ref_mapping, analyze_memory_references,
6799         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
6800         get_all_locs_in_loop, ref_always_accessed_p,
6801         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
6802         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
6803         store_motion_loop, store_motion): New functions.
6804         (struct vop_to_refs_elt): New type.
6805         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
6806         memref_hash, memref_eq, hoist_memory_references): Rewritten.
6807         (schedule_sm): Replaced by...
6808         (execute_sm): ... this.
6809         (determine_lsm_ref, hoist_memory_references,
6810         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
6811         find_more_ref_vops, free_mem_ref, free_mem_refs,
6812         determine_lsm_loop, determine_lsm): Removed.
6813         (tree_ssa_lim_finalize): Free data structures used by store motion.
6814         (tree_ssa_lim): Call analyze_memory_references.  Use
6815         store_motion instead of determine_lsm.
6816
6817 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
6818
6819         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
6820         rename tmake_file to m68hc11/t-m68hc11.
6821         (mcore): Set inhibit_libc to true.
6822         * config.host (alpha*-dec-*vms*): Set extra_programs.
6823         (interix3*): Don't use host_xmake_file.
6824         * configure.ac: Let config.gcc override inhibit_libc.
6825         * configure: Regenerate.
6826
6827         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
6828         * config/t-openbsd-thread: Remove commented out lines.
6829
6830         * config/x-interix: Remove.
6831
6832         * config/m68hc11/t-m68hc11-gas: Rename to...
6833         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
6834
6835         * config/mcore/t-mcore: Remove T_CFLAGS.
6836         * config/mcore/t-mcore-pe: Likewise.
6837
6838 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
6839
6840         * configure.ac: Replace custom __GNU_SOURCE test with
6841         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
6842         * aclocal.m4: Regenerate.
6843         * configure: Regenerate.
6844         * config.in: Regenerate.
6845
6846 2008-03-27  Richard Guenther  <rguenther@suse.de>
6847
6848         * fold-const.c (target.h): Include.
6849         (fold_comparison): Fold comparison of addresses of decls
6850         that bind locally or of constants.  Consolidate address folding code.
6851         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
6852         results from fold_binary_to_constant.
6853         (compare_values_warnv): Likewise.
6854
6855 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
6856
6857         PR middle-end/35429
6858         * fold-const.c (fold_truthop): Check for integeral types when folding
6859         a == 0 && b == 0 and a != 0 || b != 0 .
6860
6861 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
6862
6863         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
6864
6865 2008-03-26  Andreas Schwab  <schwab@suse.de>
6866
6867         * doc/invoke.texi: Fix use of @item vs. @itemx.
6868
6869 2008-03-26  Tom Tromey  <tromey@redhat.com>
6870
6871         * Makefile.in (build/gensupport.o, build/print-rtl.o,
6872         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
6873         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
6874         build/gencodes.o, build/genconditions.o, build/genconfig.o,
6875         build/genconstants.o, build/genemit.o, build/genextract.o,
6876         build/genflags.o, build/genmddeps.o, build/genopinit.o,
6877         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
6878         options.h.
6879
6880 2008-03-26  Richard Guenther  <rguenther@suse.de>
6881
6882         Revert
6883         2008-03-26  Richard Guenther  <rguenther@suse.de>
6884
6885         * fold-const.c (target.h): Include.
6886         (fold_comparison): Fold comparison of addresses of two decls
6887         that bind locally.  Consolidate address folding code.
6888
6889 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6890
6891         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
6892         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
6893         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
6894         dconstsqrt2, dconstthird, dconste and/or dconst10.
6895         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
6896         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
6897         dconstsqrt2, dconste): Delete.
6898         (init_emit_once): Likewise.  Simplify initializing dconstm1.
6899         Constify variable.
6900         * real.c (get_real_const): New.
6901         * real.h (dconst3, dconst10, dconstm2, dconstthird,
6902         dconstsqrt2, dconste): Delete.
6903         (real_value_const, get_real_const): New.
6904
6905 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
6906
6907         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
6908
6909         * config/i386/i386.c (ix86_function_arg_boundary): Check
6910         BIGGEST_ALIGNMENT instead of 128.
6911         (setup_incoming_varargs_64): Likewise.
6912
6913 2008-03-26  Tom Tromey  <tromey@redhat.com>
6914
6915         * Makefile.in (DEPFILES): Add missing '/'.
6916
6917 2008-03-26  Richard Guenther  <rguenther@suse.de>
6918
6919         * fold-const.c (target.h): Include.
6920         (fold_comparison): Fold comparison of addresses of two decls
6921         that bind locally.  Consolidate address folding code.
6922
6923 2008-03-26  Nick Clifton  <nickc@redhat.com>
6924
6925         PR target/31232
6926         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
6927         not allow INT+INT as a legitimate addressing mode.
6928
6929 2008-03-26  Richard Guenther  <rguenther@suse.de>
6930
6931         * tree-flow.h (widen_bitfield): Remove declaration.
6932         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
6933         (widen_bitfield): Remove function.
6934         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
6935         code.
6936
6937 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6938
6939         PR target/31558
6940         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
6941         error_mark_node's.
6942
6943 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
6944
6945         PR rtl-optimization/35232
6946         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
6947         (forget_old_reloads_1, forget_marked_reloads): Don't clear
6948         reg_reloaded_call_part_clobbered here.
6949         (reload_regs_reach_end_p): New function.
6950         (reload_reg_rtx_for_input): New variable.
6951         (reload_reg_rtx_for_output): Likewise.
6952         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
6953         when reassigning a pseudo register.  Load reloadreg from
6954         reload_reg_rtx_for_input, moving the mode and register
6955         calculation to...
6956         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
6957         instead of the original when deciding whether an input reload
6958         would be a no-op or whether an output reload can be deleted.
6959         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
6960         when setting up new_spill_reg_store.  Load it from
6961         reload_reg_rtx_for_output, moving the mode and register
6962         calculation to...
6963         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
6964         instead of the original when deciding whether an output reload
6965         would be a no-op.  Do the same when modifying insn notes.
6966         Use rtx_equal_p instead of == to compare the registers.
6967         (inherit_piecemeal_p): Take a mode and two register numbers
6968         as argument.
6969         (emit_reload_insns): Clear new_spill_reg_store for every hard
6970         register in the reload register.  Remove spill registers
6971         from reg_reloaded_valid before considering whether to record
6972         inheritance information for them.  Use reload_reg_rtx_for_output
6973         instead of reg_rtx when recording output reloads.  Use
6974         reload_reg_rtx_for_input instead of reg_rtx when recording
6975         input reloads.  Set or clear reg_reloaded_call_part_clobbered
6976         at the same time as setting reg_reloaded_valid.
6977         (delete_output_reload): Add a new_reload_reg parameter and use it
6978         instead of rld[j].reg_rtx.
6979         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
6980         calls accordingly.
6981
6982 2008-03-25  Tom Tromey  <tromey@redhat.com>
6983
6984         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
6985         (build/genattr.o): Likewise.
6986         (build/genattrtab.o): Likewise.
6987         (build/gencodes.o): Likewise.
6988         (build/genconfig.o): Likewise.
6989         (build/genconstants.o): Likewise.
6990         (build/genemit.o): Likewise.
6991         (build/genextract.o): Likewise.
6992         (build/genflags.o): Likewise.
6993
6994 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
6995
6996         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
6997         instead of size_int for integer types.
6998         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
6999         to match type of MINUS_EXPR.
7000
7001 2008-03-25  Tom Tromey  <tromey@redhat.com>
7002
7003         * configure: Rebuilt.
7004         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
7005         Makefile.
7006
7007 2008-03-25  Tom Tromey  <tromey@redhat.com>
7008
7009         * config/x-solaris (host-solaris.o): Update.
7010         * config/x-linux (host-linux.o): Update.
7011         * config/x-hpux (host-hpux.o): Update.
7012         * config/x-darwin (host-darwin.o): Update.
7013         * config/v850/t-v850e (v850-c.o): Update.
7014         * config/v850/t-v850 (v850-c.o): Update.
7015         * config/t-vxworks (vxworks.o): Update.
7016         * config/t-sol2 (sol2-c.o, sol2.o): Update.
7017         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
7018         * config/spu/t-spu-elf (spu-c.o): Update.
7019         (spu.o): Remove.
7020         * config/sh/t-symbian (sh-c.o): Update.
7021         (symbian.o): Update.
7022         * config/sh/t-sh (sh-c.o): Update.
7023         * config/score/t-score-elf (score7.o, score3.o): Update.
7024         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
7025         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
7026         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
7027         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
7028         (rs6000.o): Remove.
7029         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
7030         * config/m32c/t-m32c (m32c-pragma.o): Update.
7031         * config/ia64/t-ia64 (ia64-c.o): Update.
7032         * config/i386/x-mingw32 (host-mingw32.o): Update.
7033         * config/i386/x-i386 (driver-i386.o): Update.
7034         * config/i386/x-darwin (host-i386-darwin.o): Update.
7035         * config/i386/x-cygwin (host-cygwin.o): Update.
7036         * config/i386/t-nwld (nwld.o): Update.
7037         * config/i386/t-netware (netware.o): Update.
7038         * config/i386/t-interix (winnt.o): Update.
7039         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
7040         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
7041         msformat-c.o): Update.
7042         * config/bfin/t-bfin-linux (generated_files): Add
7043         linux-sysroot-suffix.h.
7044         * config/arm/t-wince-pe (pe.o): Update.
7045         * config/arm/t-strongarm-pe (pe.o): Update.
7046         * config/arm/t-pe (pe.o): Update.
7047         * config/arm/t-arm (arm-c.o): Update.
7048         * doc/install.texi (Prerequisites): Require make 3.80.
7049         * Makefile.in: Remove .o targets.
7050         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
7051         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
7052         (simple_generated_h, simple_generated_c): Move earlier.
7053         (generated_files): New variable.
7054         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
7055         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
7056         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
7057         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
7058         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
7059         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
7060         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
7061         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
7062         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
7063         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
7064         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
7065         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
7066         (.c.o): Remove.
7067         (COMPILE.base, COMPILE): New variables.
7068         (%.o): New pattern rule.
7069         (ALL_HOST_OBJS): New variable.
7070         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
7071         (dummy-checksum.o, cc1-checksum.o): Remove.
7072         (DRIVER_SHLIB): New variable.
7073         (DRIVER_DEFINES): Use it.
7074         (gencondmd.c): Move out of build/.
7075         (s-conditions): Update.
7076         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
7077         (ALL_BUILD_OBJS): Likewise.
7078         (build/%.o): Use BUILDCOMPILE.
7079         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
7080         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
7081         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
7082         build/gencheck.o, build/gencodes.o, build/genconditions.o,
7083         build/genconfig.o, build/genconstants.o, build/genemit.o,
7084         build/genextract.o, build/genflags.o, build/genmddeps.o,
7085         build/genopinit.o, build/genoutput.o, build/genpeep.o,
7086         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
7087         build/gen-protos.o, build/scan.o, build/fix-header.o,
7088         build/scan-decls.o): Simplify.
7089         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
7090         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
7091         prefix.o, toplev.o): Reduce to variable setting.
7092         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
7093         ($(out_object_file), gcc-options.o): New targets.
7094         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
7095         * configure: Rebuilt.
7096         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
7097         * doc/sourcebuild.texi (Front End Directory): Document new variable.
7098
7099 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
7100
7101         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
7102         complain when we hit an error, return ERROR_MARK_NODE.
7103
7104 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7105
7106         * config/sh/constraints.md (Pso, Psz): New constraints.
7107         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
7108         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
7109
7110 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7111
7112         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
7113         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
7114
7115 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
7116
7117         * config/sh/sh.md (prefetch): Add condition for SH2A target.
7118         (prefetch_sh2a): New.
7119
7120 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7121             Naveen.H.S  <naveen.hs@kpitcummins.com>
7122
7123         * config/sh/constraints.md (I28): New constraint.
7124         * config/sh/sh.c (broken_move): Add support for movi20s.
7125         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
7126
7127 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
7128             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
7129             Naveen.H.S  <naveen.hs@kpitcummins.com>
7130
7131         * config/sh/sh.c (SH_ATTRIBUTES): Define.
7132         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
7133         (print_operand): Handle resbank in %@ operand code.
7134         (sh_encode_section_info): New.
7135         (push_regs): Add conditions for resbank.
7136         (sh_expand_epilogue): Likewise.
7137         (sh_insert_attributes): Likewise.
7138         (sh_attribute_table): Likewise.
7139         (sh_handle_resbank_handler_attribute): New.
7140         (sh2a_handle_function_vector_handler_attribute): New.
7141         (sh2a_is_function_vector_call): New.
7142         (sh2a_get_function_vector_number): New.
7143         (sh2a_function_vector_p): New.
7144         (sh_cfun_resbank_handler_p): New.
7145         * config/sh/sh.md (calli): Emit jsr/n if possible.
7146         (calli_tbr_rel): New.
7147         (calli_pcrel): Emit jsr/n if possible.
7148         (return_i): Emit rts/n if possible.
7149         (call_valuei_tbr_rel): New.
7150         (call_valuei_pcrel): Add condition for SH2A target.
7151         (call_value): Likewise.
7152         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
7153         (sh2a_get_function_vector_number): Likewise.
7154         (sh2a_is_function_vector_call): Likewise.
7155         * doc/extend.texi: Document TBR relative addressing of SH2A.
7156         (resbank): Add description for SH2A.
7157
7158 2008-03-24  Richard Guenther  <rguenther@suse.de>
7159
7160         PR c/22371
7161         * gimplify.c (gimplify_modify_expr): For frontend type-correct
7162         pointer assignments change conversions according to middle-end rules.
7163         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
7164         * configure.ac: Include type checking in yes.
7165         * configure: Regenerate.
7166
7167 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7168
7169         * diagnostic.c (diagnostic_count_diagnostic): Delete.
7170         (diagnostic_report_diagnostic): Update. Handle ICEs here.
7171
7172 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7173
7174         * gthr-vxworks.h (UNUSED): Define.
7175
7176 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
7177
7178         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
7179
7180 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
7181
7182         * doc/extend.texi (Function Attributes): Add missing comma in the
7183         example of the "alloc_size" attribute.
7184
7185 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
7186
7187         Revert:
7188         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
7189
7190         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7191         32bit host.
7192
7193         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7194
7195         PR target/35496
7196         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7197         of the underlying type of a MS bitfield layout to the natural
7198         alignment of the type.
7199
7200         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7201
7202         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7203         to their natural alignment to avoid store forwarding stalls.
7204
7205 2008-03-22  Richard Guenther  <rguenther@suse.de>
7206
7207         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
7208         For PHI nodes verify the address is invariant.
7209         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
7210         (get_symbol_constant_value): Use is_gimple_min_invariant.
7211         (maybe_fold_stmt_indirect): Likewise.
7212
7213 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
7214
7215         PR rtl-optimization/33927
7216         * Makefile.in (dse.o): Depend on $(TM_P_H).
7217         * expr.h (extract_low_bits): Declare.
7218         * expmed.c (extract_low_bits): New function.
7219         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
7220         * dse.c: Include tm_p.h.
7221         (find_shift_sequence): Remove the read_reg argument and return the
7222         read value.  Emit the instructions instead of returning them.
7223         Iterate on new_mode rather than calculating it each time.
7224         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
7225         source to NEW_MODE and extract_low_bits to convert the shifted
7226         value to READ_MODE.
7227         (replace_read): Allow the load and store to have different mode
7228         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
7229         or extraction instructions before trying the replacement.  Update
7230         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
7231
7232 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
7233
7234         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
7235         to their natural alignment to avoid store forwarding stalls.
7236
7237 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7238
7239         PR target/27946
7240         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
7241         encouraging but not allowing gprs for input;
7242         change the input constraint to !f#r.
7243         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
7244         gprs for output;
7245         change the output constraint to !f#r.
7246
7247 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
7248
7249         PR target/13958
7250         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
7251         corresponding post-reload splitters.
7252         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
7253         when x87 FP math is selected.
7254         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
7255         New function prototype.
7256         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
7257         unreachable function to ease macroization of insn patterns.
7258
7259 2008-03-21  Martin Jambor  <mjambor@suse.cz>
7260
7261         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
7262         reference dumps if ddr is NULL or dependence is unknown.
7263
7264 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7265
7266         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
7267         unsigned extension into account.
7268         (ATOMIC_COMPARE_AND_SWAP): Likewise.
7269         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
7270         Do computations on a scratch register.
7271
7272 2008-03-21  Richard Guenther  <rguenther@suse.de>
7273
7274         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7275         Use is_gimple_min_invariant instead of TREE_INVARIANT.
7276         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
7277         * tree-ssa-dom.c (record_equality): Likewise.
7278         * tree-inline.c (copy_body_r): Likewise.
7279         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
7280         TREE_INVARIANT.
7281
7282 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7283
7284         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
7285         as 'delete_unused' argument.
7286
7287 2008-03-20  Richard Guenther  <rguenther@suse.de>
7288
7289         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
7290         special casing of constant qualifiers.
7291         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
7292         care about them in general.
7293         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
7294         regardless of their type.
7295         (fold_stmt_r): Forcefully fold *& if we end up with that.
7296
7297 2008-03-20  Paul Brook  <paul@codesourcery.com>
7298
7299         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
7300         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
7301         linker flags.
7302         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
7303         definition.
7304         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
7305         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
7306
7307 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
7308
7309         * common.opt (Wmudflap): New option.
7310         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
7311         (mx_register_decls): Likewise.
7312         (mudflap_finish_file): Likewise.
7313         * doc/invoke.texi: Document -Wno-mudflap.
7314
7315 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
7316
7317         * c-format.c (replace_format_name_to_system_name): New.
7318         (cmp_attribs): New.
7319         (convert_format_name_to_system_name): New.
7320         (decode_format_attr): Add use of convert_format_name_to_system_name.
7321         (format_types_orig): Add gnu_ prefix to names.
7322         (check_format_info_main): Special treating of \0 escaped names for
7323         supporting multi-character format specifiers as I32, I64.
7324         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
7325         (gnu_target_overrides_format_attributes): New.
7326         * c-format.h: Add structure target_ovr_attr to hold
7327         system specific formatter names.
7328         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
7329         msformat-c.o file to c_target_objs and cxx_target_objs.
7330         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
7331         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
7332         (TARGET_N_FORMAT_TYPES): New.
7333         * config/i386/msformat-c.c: New.
7334         * config/i386/t-cygming: Add build rule for msformat-c.o.
7335         * doc/extend.texi: Add new format names gnu_* and ms_* and
7336         further details.
7337         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
7338
7339 2008-03-20  Ira Rosen  <irar@il.ibm.com>
7340
7341         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
7342         optimizations turned on under -O3.
7343         (ftree-vectorize): Add that the flag is turned on with -O3.
7344
7345 2008-03-20  Ben Elliston  <bje@au.ibm.com>
7346
7347         * regmove.c (try_auto_increment): Fix spelling error in comment.
7348         * final.c (final_scan_insn): Likewise.
7349
7350 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
7351
7352         PR target/14552
7353         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
7354         allocator preferences for "y" and "r" class registers.
7355         ("*mov<mode>_internal"): Ditto.
7356         ("*movv2sf_internal_rex64"): Ditto.
7357         ("*movv2sf_internal"): Ditto.
7358
7359 2008-03-19  Michael Matz  <matz@suse.de>
7360
7361         PR middle-end/35616
7362         * calls.c (expand_call): Check overlap of arguments with call
7363         address for sibcalls.
7364
7365 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
7366
7367         PR target/35496
7368         * stor-layout.c (update_alignment_for_field): Set minimum alignment
7369         of the underlying type of a MS bitfield layout to the natural
7370         alignment of the type.
7371
7372 2008-03-19  Jan Hubicka  <jh@suse.cz>
7373
7374         PR other/35094
7375         * toplev.c (decode_d_option): Handle all CPP flags.
7376         * tree-vrp.c: Update tree_pass descriptors.
7377         * regrename.c: Update tree_pass descriptors.
7378         * fwprop.c: Update tree_pass descriptors.
7379         * doc/invoke.texi: Remove documentation of dropped -d? flags.
7380         * tree-into-ssa.c: Update tree_pass descriptors.
7381         * tree-dump.c: Update tree_pass descriptors.
7382         * tree-complex.c: Update tree_pass descriptors.
7383         * tree-dump.h: Update tree_pass descriptors.
7384         * see.c: Update tree_pass descriptors.
7385         * cgraphbuild.c: Update tree_pass descriptors.
7386         * tracer.c: Update tree_pass descriptors.
7387         * tree-loop-distribution.c: Update tree_pass descriptors.
7388         * cgraph.c: Update tree_pass descriptors.
7389         * postreload-gcse.c: Update tree_pass descriptors.
7390         * postreload.c: Update tree_pass descriptors.
7391         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
7392         * tree-tailcall.c: Update tree_pass descriptors.
7393         * tree-pass.h (tree_opt_pass): Rename to ...
7394         (opt_pass) ... this one; add "type" field and remove letter field.
7395         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
7396         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
7397         all_lowering_passes): Update declaration.
7398         * ipa-cp.c: Update tree_pass descriptors.
7399         * final.c: Update tree_pass descriptors.
7400         * omp-low.c: Update tree_pass descriptors.
7401         * tree-ssa-dse.c: Update tree_pass descriptors.
7402         * ipa-reference.c: Update tree_pass descriptors.
7403         * tree-ssa-uncprop.c: Update tree_pass descriptors.
7404         * auto-inc-dec.c: Update tree_pass descriptors.
7405         * reorg.c: Update tree_pass descriptors.
7406         * cgraphunit.c: Update tree_pass descriptors.
7407         * tree-ssa-copyrename.c: Update tree_pass descriptors.
7408         * tree-ssa-ccp.c: Update tree_pass descriptors.
7409         * df-core.c: Update tree_pass descriptors.
7410         * mode-switching.c: Update tree_pass descriptors.
7411         * tree-nomudflap.c: Update tree_pass descriptors.
7412         * modulo-sched.c: Update tree_pass descriptors.
7413         * ipa-pure-const.c: Update tree_pass descriptors.
7414         * cse.c: Update tree_pass descriptors.
7415         * web.c: Update tree_pass descriptors.
7416         * tree-stdarg.c: Update tree_pass descriptors.
7417         * tree-ssa-math-opts.c: Update tree_pass descriptors.
7418         * tree-ssa-dom.c: Update tree_pass descriptors.
7419         * tree-nrv.c: Update tree_pass descriptors.
7420         * tree-ssa-alias.c: Update tree_pass descriptors.
7421         * loop-init.c: Update tree_pass descriptors.
7422         * gimple-low.c: Update tree_pass descriptors.
7423         * ipa-inline.c: Update tree_pass descriptors.
7424         * tree-ssa-sink.c: Update tree_pass descriptors.
7425         * global.c: Update tree_pass descriptors.
7426         * ifcvt.c: Update tree_pass descriptors.
7427         * jump.c: Update tree_pass descriptors.
7428         * predict.c: Update tree_pass descriptors.
7429         * tree-ssa-loop.c: Update tree_pass descriptors.
7430         * recog.c: Update tree_pass descriptors.
7431         * dse.c: Update tree_pass descriptors.
7432         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
7433         * tree-eh.c: Update tree_pass descriptors.
7434         * regmove.c: Update tree_pass descriptors.
7435         * local-alloc.c
7436         * function.c: Update tree_pass descriptors.
7437         * tree-vectorizer.c: Update tree_pass descriptors.
7438         * gcse.c: Update tree_pass descriptors.
7439         * ipa-type-escape.c: Update tree_pass descriptors.
7440         * tree-if-conv.c: Update tree_pass descriptors.
7441         * init-regs.c: Update tree_pass descriptors.
7442         * ipa.c: Update tree_pass descriptors.
7443         * tree-ssa-phiopt.c: Update tree_pass descriptors.
7444         * rtl-factoring.c: Update tree_pass descriptors.
7445         * lower-subreg.c: Update tree_pass descriptors.
7446         * bt-load.c: Update tree_pass descriptors.
7447         * tree-dfa.c: Update tree_pass descriptors.
7448         * except.c: Update tree_pass descriptors.
7449         * emit-rtl.c: Update tree_pass descriptors.
7450         * cfgexpand.c: Update tree_pass descriptors.
7451         * tree-cfgcleanup.c: Update tree_pass descriptors.
7452         * cfgcleanup.c: Update tree_pass descriptors.
7453         * tree-ssa-pre.c: Update tree_pass descriptors.
7454         * tree-sra.c: Update tree_pass descriptors.
7455         * tree-mudflap.c: Update tree_pass descriptors.
7456         * tree-ssa-copy.c: Update tree_pass descriptors.
7457         * cfglayout.c: Update tree_pass descriptors.
7458         * tree-ssa-forwprop.c: Update tree_pass descriptors.
7459         * tree-ssa-dce.c: Update tree_pass descriptors.
7460         * tree-ssa.c: Update tree_pass descriptors.
7461         * regclass.c: Update tree_pass descriptors.
7462         * integrate.c: Update tree_pass descriptors.
7463         * tree-optimize.c: Update tree_pass descriptors.
7464         * tree-ssa-phiprop.c: Update tree_pass descriptors.
7465         * tree-object-size.c: Update tree_pass descriptors.
7466         * combine.c: Update tree_pass descriptors.
7467         * tree-outof-ssa.c: Update tree_pass descriptors.
7468         * bb-reorder.c: Update tree_pass descriptors.
7469         * stack-ptr-mod.c: Update tree_pass descriptors.
7470         * var-tracking.c: Update tree_pass descriptors.
7471         * tree-profile.c: Update tree_pass descriptors.
7472         * tree-vect-generic.c: Update tree_pass descriptors.
7473         * reg-stack.c: Update tree_pass descriptors.
7474         * sched-rgn.c: Update tree_pass descriptors.
7475         * tree-ssa-structalias.c: Update tree_pass descriptors.
7476         * tree-cfg.c: Update tree_pass descriptors.
7477         * passes.c (current_pass): Update declaration.
7478         (finish_optimization_passes): Update.
7479         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
7480         (register_one_dump_file, register_dump_files_1, next_pass_1):
7481         Update arguments.
7482         (init_optimization_passes): Update handling of new types.
7483         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
7484         * ipa-struct-reorg.c: Update tree_pass descriptors.
7485         * tree-ssa-reassoc.c: Update tree_pass descriptors.
7486         * combine-stack-adj.c: Update tree_pass descriptors.
7487         * cfgrtl.c: Update tree_pass descriptors.
7488         * dce.c: Update tree_pass descriptors.
7489         * tree-ssanames.c: Update tree_pass descriptors.
7490
7491 2008-03-19  Richard Guenther  <rguenther@suse.de>
7492
7493         PR middle-end/35609
7494         * tree-ssa.c (walk_data): New structure.
7495         (warn_uninitialized_var): If not always_executed warn with "maybe"
7496         instead of "is".
7497         (execute_early_warn_uninitialized): Compute post-dominators.
7498         Initialize always_executed before processing each basic block.
7499
7500 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
7501
7502         PR target/35504
7503         * config/i386/i386.c (x86_this_parameter): Calculate correct location
7504         of "this" pointer when "regparm = N" or "fastcall" is in effect.
7505
7506 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7507
7508         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
7509
7510 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
7511
7512         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
7513         is true.
7514         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
7515         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
7516         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
7517         target after ignore has been set, and move there also the commputation
7518         of subtarget and original_target.
7519         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
7520         (LANG_HOOKS_INITIALIZER): Remove it.
7521         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
7522
7523 2008-03-18  Richard Guenther  <rguenther@suse.de>
7524
7525         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
7526         found an expression with constants, note that in the VN for the lhs.
7527         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
7528         fold them to constants if possible.  Run cleanup_cfg if done so.
7529         (execute_pre): Return todo.
7530         (do_pre): Likewise.
7531         (execute_fre): Likewise.
7532         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
7533         of constants.
7534         (get_prop_source_stmt): Look through pointer conversions.
7535
7536 2008-03-18  Jan Hubicka  <jh@suse.cz>
7537
7538         * tree-pretty-print.c: Include predict.h.
7539         (dump_generic_node): Dump predictor.
7540         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
7541         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
7542         * gimple-low.c (lower_stmt): Likewise.
7543         * expr.c (expand_expr_real): Likewise.
7544         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
7545         them.
7546         (build_predict_expr, build_predict_expr): New.
7547         * predict.h (predictor_name, build_predict_expr): Update.
7548         * c-typeck.c (c_finish_bc_stmt): Add prediction.
7549         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
7550         * predict.def (PRED_CONTINUE): Update hitrate.
7551         * tree.def (PREDICT_EXPR): Define.
7552         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
7553         do not handle BIND_EXPR.
7554         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
7555         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
7556         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
7557         operands.
7558
7559 2008-03-18  Michael Matz  <matz@suse.de>
7560
7561         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
7562
7563 2008-03-18  Richard Guenther  <rguenther@suse.de>
7564
7565         * tree-gimple.h (is_gimple_invariant_address): Declare.
7566         (is_gimple_constant): Likewise.
7567         * tree-gimple.c (is_gimple_constant): New function.
7568         (is_gimple_invariant_address): Likewise.
7569         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
7570         and is_gimple_invariant_address.
7571         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
7572         previous change.
7573         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
7574         an addressable base.
7575
7576 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
7577
7578         PR middle-end/35611
7579         * gimplify.c (gimplify_expr): Gimplify second operand of
7580         OMP_ATOMIC_LOAD.
7581
7582 2008-03-17  Richard Guenther  <rguenther@suse.de>
7583
7584         PR tree-optimization/19637
7585         * fold-const.c (fold_unary): Remove restrictions of removing
7586         intermediate pointer-conversions (P2)(P1)P0.
7587         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
7588         conversion to void pointer.
7589         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
7590
7591 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
7592
7593         PR debug/31510
7594         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
7595         emulated thread local variables.
7596
7597 2008-03-16  Richard Guenther  <rguenther@suse.de>
7598
7599         PR middle-end/35607
7600         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
7601         expand TREE_INVARIANT operations that are not gimple invariant.
7602
7603 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
7604
7605         * doc/extend.texi (Alignment): Say that the ABI controls
7606         the __alignof__ for non-strict-alignment targets rather
7607         than being a recommendation.
7608
7609 2008-03-15  Paul Brook  <paul@codesourcery.com>
7610
7611         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
7612         annotations.
7613         (arm_output_fn_unwind): Mark functions that can not be unwound.
7614
7615 2008-03-15  Paul Brook  <paul@codesourcery.com>
7616
7617         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
7618         extension instructions.
7619
7620 2008-03-15  Richard Guenther  <rguenther@suse.de>
7621
7622         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
7623         and fold constant aggregate refs.
7624         (fold_const_aggregate_ref): Handle string constants
7625         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
7626         (evaluate_stmt): Simplify now that ccp_fold folds constant
7627         aggregate refs.
7628
7629 2008-03-15  Paul Brook  <paul@codesourcery.com>
7630
7631         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
7632         (extzv): Use gen_extzv_t2.
7633         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
7634
7635 2008-03-15  Richard Guenther  <rguenther@suse.de>
7636
7637         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
7638         (fold_const_aggregate_ref): Likewise.
7639         (get_value): Return NULL if we don't have any values.
7640         (ccp_finalize): Set const_val to NULL after freeing it.
7641         * tree-flow.h (get_symbol_constant_value): Declare.
7642         (fold_const_aggregate_ref): Likewise.
7643         * tree-ssa-sccvn.c (try_to_simplify): Use them.
7644
7645 2008-03-15  Richard Guenther  <rguenther@suse.de>
7646
7647         PR middle-end/35593
7648         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
7649         to not produce negative array indices if not allowed.  Add
7650         parameter to indicate that.
7651         (maybe_fold_offset_to_component_ref): Allow negative array
7652         indices only for the first member of a structure.
7653         (maybe_fold_offset_to_reference): Allow negative array indices.
7654         (maybe_fold_stmt_addition): Likewise.
7655
7656 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
7657             Anatoly Sokolov <aesok@post.ru>
7658
7659         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
7660         (avr_arch): Add ARCH_AVR6.
7661         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
7662         (initial_elimination_offset): Initialize and use 'avr_pc_size'
7663         instead of fixed value 2.
7664         (print_operand_address): Use gs() asm specifier instead of pm().
7665         (avr_assemble_integer): (Ditto.).
7666         (avr_output_addr_vec_elt): (Ditto.).
7667         (print_operand): Handle "!" code.
7668         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
7669         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
7670         (AVR_HAVE_EIJMP_EICALL): Define.
7671         (AVR_3_BYTE_PC): Redefine.
7672         (AVR_2_BYTE_PC): (Ditto.).
7673         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
7674         (LINK_SPEC): Add atmega2560 and atmega2561.
7675         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
7676         (crtm2561.o).
7677         * config/avr/avr.md (call_insn): Use eicall instead of icall
7678         for 3 byte PC devices.
7679         (call_value_insn): (Ditto.).
7680         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
7681         (indirect_jump): Use only for for 2 byte PC devices.
7682         (*tablejump): (Ditto.).
7683         (*indirect_jump_avr6): Add insn.
7684         (*tablejump_rjmp): Don't use for 3 byte PC devices.
7685         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
7686         instead of ijmp for 3 byte PC devices.
7687         (__tablejump2__): (Ditto.).
7688         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
7689         (MULITLIB_DIRNAMES): (Ditto.).
7690         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
7691
7692 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
7693
7694         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
7695         "sse2_umulsidi3".  Use V1DI mode for operand 0.
7696         ("mmx_psadbw"): Use V1DI mode for operand 0.
7697         * config/i386/i386-modes.def (V1SI): New vector mode.
7698         * config/i386/i386.c (struct builtin_description)
7699         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
7700         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
7701         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
7702         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
7703         v1di_ftype_v8qi_v8qi type.
7704         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
7705
7706         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
7707         __builtin_ia32_pmuludq]: Fix the mode of return value.
7708
7709 2008-03-15  Richard Guenther  <rguenther@suse.de>
7710
7711         PR middle-end/35595
7712         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
7713         being a PHI_NODE.
7714
7715 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
7716
7717         * doc/invoke.texi (Option Summary, Xtensa Options): Document
7718         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
7719         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
7720         unless TARGET_SERIALIZE_VOLATILE is enabled.
7721         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
7722         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
7723         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
7724
7725 2008-03-14  Richard Guenther  <rguenther@suse.de>
7726
7727         PR tree-optimization/34172
7728         * tree-flow.h (refs_may_alias_p): Declare.
7729         (get_single_def_stmt): Likewise.
7730         (get_single_def_stmt_from_phi): Likewise.
7731         (get_single_def_stmt_with_phi): Likewise.
7732         * tree-dfa.c (refs_may_alias_p): New function.
7733         (get_single_def_stmt): Likewise.
7734         (get_single_def_stmt_from_phi): Likewise.
7735         (get_single_def_stmt_with_phi): Likewise.
7736         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
7737         (vn_reference_lookup_1): New helper function.
7738         (vn_reference_lookup): Walk the virtual use-def chain to
7739         continue searching for a match if the def does not alias the
7740         reference we are looking for.
7741
7742 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
7743
7744         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
7745         archive and Perzl.  Update The Written Word listing.
7746
7747 2008-03-14  Richard Guenther  <rguenther@suse.de>
7748
7749         PR tree-optimization/34043
7750         PR tree-optimization/33989
7751         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
7752         when doing FRE.
7753         (bitmap_find_leader): Use extra argument to verify dominance
7754         relationship inside a basic-block.
7755         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
7756         (find_leader_in_sets): Adjust.
7757         (create_component_ref_by_pieces): Take extra argument for
7758         dominance check, handle lookup failures.
7759         (find_or_generate_expression): Likewise.
7760         (create_expression_by_pieces): Likewise.
7761         (insert_into_preds_of_block): Adjust.
7762         (create_value_expr_from): If asked for, verify all operands
7763         are in the blocks AVAIL_OUT set.
7764         (make_values_for_stmt): Check for SSA_NAMEs that are life
7765         over an abnormal edge.
7766         (compute_avail): Remove such check.
7767         (do_SCCVN_insertion): New function.
7768         (eliminate): If we do not find a leader suitable for replacement
7769         insert a replacement expression from SCCVN if available.
7770         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
7771         (struct vn_ssa_aux): Add needs_insertion flag.
7772         * tree-ssa-sccvn.c (may_insert): New global flag.
7773         (copy_reference_ops_from_ref): Value-number union member access
7774         based on its size, not type and member if insertion is allowed.
7775         (visit_reference_op_load): For a weak match from union type
7776         punning lookup a view-converted value and insert a SSA_NAME
7777         for that value if that is not found.
7778         (visit_use): Make dumps shorter.  Do not disallow value numbering
7779         SSA_NAMEs that are life over an abnormal edge to constants.
7780         (free_scc_vn): Release inserted SSA_NAMEs.
7781         (run_scc_vn): New flag to specify whether insertion is allowed.
7782         Process SSA_NAMEs in forward order.
7783         * tree-ssa-loop-im.c (for_each_index): Handle invariant
7784         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
7785         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
7786         pointer type to/from integral types that do not change the
7787         precision to regular conversions.
7788
7789 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
7790
7791         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
7792         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
7793         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
7794         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
7795         input arguments and the mode of return value.  Built-in functions
7796         that operate on whole 64-bit MMX register now use V1DI mode.
7797
7798 2008-03-13  Alon Dayan  <alond@il.ibm.com>
7799             Olga Golovanevsky  <olga@il.ibm.com>
7800
7801         PR tree-optimization/35041
7802         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
7803         to locate the right position in a statement.
7804
7805 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
7806
7807         PR target/34000
7808         PR target/35553
7809         * config/i386/xmmintrin.h:  Change all static inline functions to
7810         extern inline and add __gnu_inline__ attribute.
7811         * config/i386/bmintrin.h: Ditto.
7812         * config/i386/smmintrin.h: Ditto.
7813         * config/i386/tmmintrin.h: Ditto.
7814         * config/i386/mmintrin-common.h: Ditto.
7815         * config/i386/ammintrin.h: Ditto.
7816         * config/i386/emmintrin.h: Ditto.
7817         * config/i386/pmmintrin.h: Ditto.
7818         * config/i386/mmintrin.h: Ditto.
7819         * config/i386/mm3dnow.h: Ditto.
7820
7821 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
7822
7823         PR middle-end/35185
7824         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
7825         (lower_omp_2): New function.
7826         (lower_omp_1, lower_omp): Rewritten.
7827
7828 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
7829
7830         PR 35054
7831         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
7832         with the phrase "Microsoft Windows compilers".
7833         (Push/Pop Macro Pragmas): New subsection. Document
7834         #pragma push_macro and pragma pop_macro.
7835
7836 2008-03-12  Paul Brook  <paul@codesourcery.com>
7837
7838         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
7839
7840 2008-03-12  Paul Brook  <paul@codesourcery.com>
7841
7842         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
7843         (thumb2_alusi3_short): Exclude PLUS and MINUS.
7844         (thumb2_addsi_shortim): Rename ...
7845         (thumb2_addsi_short): ... to this.  Allow register operands.
7846         (thumb2_subsi_short): New pattern.
7847         (thumb2_one_cmplsi2_short,
7848         thumb2_negsi2_short): New patterns and peepholes.
7849
7850 2008-03-12  Paul Brook  <paul@codesourcery.com>
7851
7852         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
7853
7854 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
7855
7856         * config/i386/i386.md (int_cond): New code iterator.
7857         (fp_cond): Ditto.
7858         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
7859         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
7860         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
7861         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
7862         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
7863         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
7864         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
7865         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
7866
7867 2008-03-12  Paul Brook  <paul@codesourcery.com>
7868
7869         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
7870         instead of {arm,thumb}_compute_save_reg_mask.
7871         (output_return_instruction): Ditto.
7872         (thumb_unexpanded_epilogue): Ditto.
7873         (thumb1_expand_prologue): Ditto.
7874         (thumb1_output_function_prologue): Ditto.
7875         (arm_set_return_address): Ditto.
7876         (thumb_set_return_address): Ditto.
7877         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
7878         regs to achieve stack alignment.
7879         (thumb1_compute_save_reg_mask): Fix compiler warning.
7880         (arm_output_epilogue): Use offsets->saved_regs_mask.
7881         Adjust stack pointer by poping call clobered registers.
7882         (arm_expand_prologue): Use offsets->saved_regs_mask.
7883         Adjust stack pointer by pushing extra registers.
7884         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
7885
7886 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
7887
7888         PR tree-opt/35422
7889         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
7890         conversion to the operands of a multiplication.
7891
7892 2008-03-12  Richard Guenther  <rguenther@suse.de>
7893
7894         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
7895         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
7896         * timevar.def (TV_TREE_PHIPROP): Add.
7897         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
7898         pass description.  Use TV_TREE_PHIPROP.
7899         * tree-ssa-forwprop.c: Remove phiprop code.
7900
7901 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
7902
7903         PR middle-end/35549
7904         * omp-low.c (maybe_lookup_decl): Constify first argument.
7905         (use_pointer_for_field): Change last argument from bool to
7906         omp_context *.  Disallow shared copy-in/out in nested
7907         parallel if decl is shared in outer parallel too.
7908         (build_outer_var_ref, scan_sharing_clauses,
7909         lower_rec_input_clauses, lower_copyprivate_clauses,
7910         lower_send_clauses, lower_send_shared_vars): Adjust callers.
7911
7912 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
7913             Ira Rosen  <irar@il.ibm.com>
7914
7915         * tree-vectorizer.c (free_stmt_vec_info): New function.
7916         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
7917         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
7918         * tree-vectorizer.h (free_stmt_vec_info): Declare.
7919         * tree-vect-transform.c (vectorizable_conversion): Free
7920         vec_oprnds0 if it was allocated.
7921         (vect_permute_store_chain): Remove unused VECs.
7922         (vectorizable_store): Free VECs that are allocated in the..
7923         function.
7924         (vect_transform_strided_load, vectorizable_load): Likewise.
7925         (vect_remove_stores): Simplify the code.
7926         (vect_transform_loop): Move code to vect_remove_stores().
7927         Call vect_remove_stores() and free_stmt_vec_info().
7928
7929 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7930
7931         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
7932         TARGET_HPUX.  Revise comment.
7933         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
7934         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
7935         Use sr4 variant of `be' instruction when not generating PIC code.
7936         (attr_length_call): Adjust for above change.
7937
7938 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7939
7940         * ipa-reference.c (static_execute): Remove module_statics_const and
7941         associated setting code.
7942
7943 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
7944
7945         PR target/35540
7946         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
7947         predicate for operand 1.
7948         (paritysi2_cmp): Use register_operand predicate for operand 2.
7949         Use earlyclobber modifier for operand 1.  Remove support for
7950         memory operands.
7951         (paritydi2_cmp): Use register_operand predicate for operand 3.
7952         Use earlyclobber modifier for operand 1.  Remove support for
7953         memory operands.
7954
7955 2008-03-11  Paul Brook  <paul@codesourcery.com>
7956             Vladimir Prus  <vladimir@codesourcery.com>
7957
7958         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
7959         (arm_compute_save_reg0_reg12_mask): Always
7960         check if register 11 must be saved.  Always safe hard frame pointer
7961         when frame_pointer_needeed.
7962         (arm_compute_save_reg_mask): Save IP and PC
7963         only with apcs frames.
7964         (arm_output_epilogue): Adjust Thumb2 codepath to
7965         be also invoked and work for ARM non-apcs frames.
7966         (arm_expand_prologue): Don't bother saving IP
7967         for non-apcs frame, since it's not clobbered by
7968         prologue code.  Implement non-apcs frame
7969         layout.
7970
7971 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
7972
7973         PR rtl-optimization/35281
7974         * expr.c (convert_move): Use a new pseudo for the intermediate
7975         from_mode->word_mode result.
7976
7977 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
7978
7979         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
7980         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
7981         * toplev.c (compile_file): Don't call it.
7982
7983 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
7984
7985         PR middle-end/35526
7986         * expr.c (store_expr): Call emit_block_move if the mode
7987         of "temp" RTX is BLKmode.
7988
7989 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7990             Richard Guenther  <rguenther@suse.de>
7991
7992         PR tree-optimization/31358
7993         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
7994         the step with a NULL_TREE.
7995         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
7996         to sizetype if type is a pointer type.
7997         (add_candidate_1): Don't convert the base and step to
7998         the generic type if the orginal type is a pointer type.
7999         (add_iv_value_candidates): Use sizetype for the step
8000         if type is a pointer type.
8001         (cand_value_at): Likewise.
8002         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
8003         for pointer types.
8004         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
8005         Don't convert the tem affine to the type.
8006         (add_elt_to_tree): Use sizetype for the step if a pointer.
8007         Use POINTER_PLUS_EXPR for pointers.
8008         (aff_combination_to_tree): Use sizetype for the step if a
8009         pointer.
8010
8011 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
8012
8013         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
8014         Remove commutativity hint.
8015
8016 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
8017
8018         PR c/35438
8019         PR c/35439
8020         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
8021         errorneous type.  Check that v is a VAR_DECL.
8022
8023         PR middle-end/35099
8024         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
8025
8026 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
8027
8028         PR tree-optimization/35494
8029         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
8030         may be overriden at link and run time.
8031
8032 2008-03-10  Richard Guenther  <rguenther@suse.de>
8033
8034         PR tree-optimization/34677
8035         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
8036         (poolify_tree): Likewise.
8037         (modify_expr_template): Likewise.
8038         (poolify_modify_stmt): Likewise.
8039         (insert_fake_stores): Handle all component-ref style stores
8040         in addition to INDIRECT_REF.  Also handle complex types.
8041         Do not poolify the inserted load.
8042         (realify_fake_stores): Do not rebuild the tree but only
8043         make it a SSA_NAME copy.
8044         (init_pre): Remove initialzation of modify_expr_template.
8045         Do not allocate modify_expr_node_pool.
8046         (fini_pre): Do not free modify_expr_node_pool.
8047
8048 2008-03-10  Paul Brook  <paul@codesourcery.com>
8049
8050         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
8051         to avoid conflicts.
8052
8053 2008-03-10  Paul Brook  <paul@codesourcery.com>
8054             Mark Shinwell  <shinwell@codesourcery.com>
8055
8056         * config/arm/cortex-r4.md: New.
8057         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
8058         insn attributes.
8059         * config/arm/arm.md: Include cortex-r4.md.
8060         (insn): Add smmls, sdiv and udiv values.
8061         (generic_sched): Don't use generic scheduling for Cortex-R4.
8062         (arm_issue_rate): New function.
8063         (TARGET_SCHED_ISSUE_RATE): Define.
8064
8065 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
8066
8067         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
8068
8069 2008-03-10  Richard Guenther  <rguenther@suse.de>
8070
8071         * tree-ssa-pre.c (get_sccvn_value): Simplify.
8072         (compute_avail): Do not add stmt uses to AVAIL_OUT.
8073
8074 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
8075
8076         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
8077         Set default to true.
8078
8079 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8080
8081         * c.opt (Wsynth): Deprecate.
8082         * doc/invoke.texi (Option Summary, Warning Options): Document
8083         -Wno-format-contains-nul.
8084
8085 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
8086
8087         PR target/35496
8088         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
8089         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
8090
8091 2008-03-09  Ira Rosen  <irar@il.ibm.com>
8092
8093         * config/rs6000/rs6000.c (builtin_description): Rename vector
8094         left shift operations.
8095         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
8096         (altivec_vsl<VI_char>): Rename to ...
8097         (ashl<mode>3): ... new name.
8098         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
8099         gen_ashlv4si3.
8100         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
8101
8102 2008-03-08  Richard Guenther  <rguenther@suse.de>
8103
8104         * coverage.h (tree_coverage_counter_addr): Declare.
8105         * coverage.c (tree_coverage_counter_addr): New function.
8106         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
8107         before using again.
8108         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
8109         (tree_gen_one_value_profiler): Likewise.
8110         (tree_gen_ic_profiler): Likewise.
8111         (tree_gen_average_profiler): Likewise.
8112         (tree_gen_ior_profiler): Likewise.
8113
8114 2008-03-08  Richard Guenther  <rguenther@suse.de>
8115
8116         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
8117         (vn_binary_op_insert): Likewise.
8118         (vn_unary_op_lookup): Likewise.
8119         (vn_unary_op_insert): Likewise.
8120         (vn_nary_op_lookup): Declare.
8121         (vn_nary_op_insert): Likewise.
8122         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
8123         and binary hashes, use a single obstack for unary_op_pool
8124         and binary_op_pool.
8125         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
8126         a single struct vn_nary_op_s.  Store tree code length and
8127         a variable number of operands.
8128         (struct vn_reference_op_struct): Remove unused op2.
8129         (vn_reference_op_eq): Do not compare op2.
8130         (vn_reference_op_compute_hash): Do not compute hash of op2.
8131         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
8132         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
8133         with vn_nary_op_compute_hash.
8134         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
8135         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
8136         vn_nary_op_lookup.
8137         (vn_unary_op_insert, vn_binary_op_insert): Replace with
8138         vn_nary_op_insert.
8139         (visit_unary_op): Call nary functions.
8140         (visit_binary_op): Likewise.
8141         (process_scc): Adjust for struct vn_tables_s changes.
8142         (allocate_vn_table): Likewise.
8143         (free_vn_table): Likewise.
8144         * tree-vn.c (vn_add): Call nary functions.
8145         (vn_lookup): Likewise.
8146
8147 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
8148
8149         PR target/35498
8150         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
8151         wdst back after sync_compare_and_swapqhi_internal.
8152
8153 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
8154
8155         PR target/22152
8156         * config/i386/i386-modes.def (V1DI): New vector mode.
8157         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
8158         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
8159         (MMXMODE248): Ditto.
8160         (MMXMODE): Add V1DI mode.
8161         (mmxvecsize): Change DI mode to V1DI mode.
8162         ("mov<mode>): Use MMXMODEI8 mode iterator.
8163         ("*mov<mode>_internal_rex64"): Ditto.
8164         ("*mov<mode>_internal"): Ditto.
8165         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
8166         ("mmx_sub<mode>3"): Ditto.
8167         ("mmx_adddi3"): Remove insn pattern.
8168         ("mmx_subdi3"): Ditto.
8169         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
8170         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
8171         ("mmx_ashl<mode>3"): Ditto.
8172         ("mmx_lshrdi3"): Remove insn pattern.
8173         ("mmx_ashldi3"): Ditto.
8174         * config/i386/i386.c (classify_argument): Handle V1DImode.
8175         (function_arg_advance_32): Ditto.
8176         (function_arg_32): Ditto.
8177         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
8178         mmx_addv1di3 insn pattern.
8179         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
8180         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
8181         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
8182         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
8183         Remove definitions of built-in functions.
8184         (V1DI_type_node): New node.
8185         (v1di_ftype_v1di_int): Ditto.
8186         (v1di_ftype_v1di_v1di): Ditto.
8187         (v2si_ftype_v2si_si): Ditto.
8188         (v4hi_ftype_v4hi_di): Remove node.
8189         (v2si_ftype_v2si_di): Ditto.
8190         (ix86_init_mmx_sse_builtins): Handle V1DImode.
8191         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
8192         Redefine builtins using def_builtin_const with *_ftype_*_int node.
8193         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
8194         Add new builtins using def_builtin_const.
8195         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
8196         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
8197         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
8198         * config/i386/mmintrin.h (__v1di): New typedef.
8199         (_mm_add_si64): Cast arguments to __v1di type.
8200         (_mm_sub_si64): Ditto.
8201         (_mm_sll_pi16): Cast __count to __v4hi type.
8202         (_mm_sll_pi32): Cast __count to __v2si type.
8203         (_mm_sll_si64): Cast arguments to __v1di type.
8204         (_mm_srl_pi16): Cast __count to __v4hi type.
8205         (_mm_srl_pi32): Cast __count to __v2si type.
8206         (_mm_srl_si64): Cast arguments to __v1di type.
8207         (_mm_sra_pi16): Cast __count to __v4hi type.
8208         (_mm_sra_pi32): Cast __count to __v2si type.
8209         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
8210         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
8211         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
8212         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
8213         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
8214         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
8215         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
8216         (_mm_srai_pi32): Use __builtin_ia32_psradi.
8217         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
8218         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
8219         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
8220         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
8221
8222 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
8223
8224         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
8225
8226 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
8227
8228         PR target/35373
8229         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
8230         reg+const addressing for Altivec modes.  Don't generate reg+reg
8231         addressing for TFmode or TDmode quantities.
8232
8233 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
8234
8235         * c-common.c (vector_types_convertible_p): Call langhook
8236         instead of comptypes.
8237
8238 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8239
8240         PR tree-opt/35402
8241         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
8242         integral and scalar float variables which have a
8243         NULL DECL_INITIAL.
8244
8245 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
8246
8247         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
8248         dwarf_register_span hook when emitting unwind information for
8249         register-to-memory saves.
8250         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
8251         (rs6000_frame_related): Remove call to spe_synthesize_frame.
8252
8253 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
8254
8255         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
8256         for the same VAR_DECL.
8257
8258 2008-03-06  Tom Tromey  <tromey@redhat.com>
8259
8260         * treelang: Delete.
8261         * doc/standards.texi (Standards): Don't mention treelang.
8262         * doc/invoke.texi (Overall Options): Don't mention treelang.
8263         * doc/install.texi (Prerequisites): Don't mention bison or
8264         treelang.
8265         (Configuration): Don't mention treelang.
8266         (Building): Likewise.
8267         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
8268
8269 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
8270
8271         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
8272         word-extractions out of a multi-word object.
8273
8274 2008-03-06  Richard Guenther  <rguenther@suse.de>
8275
8276         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
8277         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
8278         result type and precision.
8279         * expr.c (get_inner_reference): Set unsignedp based on the result
8280         type of BIT_FIELD_REF.
8281         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
8282         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
8283         (try_instantiate_multiple_fields): Likewise.  Use the correct type
8284         for BIT_FIELD_REF.
8285         (sra_build_assignment): Likewise.
8286         (sra_build_elt_assignment): Likewise.
8287         (sra_explode_bitfield_assignment): Likewise.
8288         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
8289         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
8290         set BIT_FIELD_REF_UNSIGNED.
8291         (vectorizable_load): Likewise.
8292
8293 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
8294
8295         * cse.c (cse_extended_basic_block): Invalidate artificial defs
8296         at bb start.
8297
8298 2008-03-06  Richard Guenther  <rguenther@suse.de>
8299
8300         * alias.c (struct alias_set_entry): Move has_zero_child field
8301         to pack with alias_set.
8302
8303 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
8304
8305         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8306         32bit host.
8307
8308 2008-03-05  Ian Lance Taylor  <iant@google.com>
8309
8310         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
8311
8312 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
8313
8314         * fwprop.c (update_df): Support width and offset parameters of
8315         df_ref_create.
8316         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
8317         global_conflicts): Change DF_REF_EXTRACT to either
8318         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8319         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8320         * df-scan.c (df_ref_record, df_defs_record,
8321         df_ref_create_structure, df_def_record_1, df_uses_record,
8322         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
8323         df_bb_refs_collect, df_entry_block_defs_collect,
8324         df_exit_block_uses_collect): Support new width and offset fields.
8325         (ref_extract_pool): New storage pool.
8326         (df_free_ref): New function.
8327         (df_reg_chain_unlink, df_free_collection_rec,
8328         df_sort_and_compress_refs): Call df_free_ref.
8329         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
8330         of df_ref_extract.
8331         (df_ref_create_structure): Allocate df_ref_extract if offset and
8332         width fields are used.
8333         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
8334         (df_uses_record): Get offset and width from ZERO_EXTRACT
8335         and SIGN_EXTRACT.
8336         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
8337         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8338         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8339         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
8340         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
8341         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
8342         (df_ref_extract): New structure.
8343         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
8344         (df_ref_create): Add width and offset parameters.
8345
8346 2008-03-05  Richard Guenther  <rguenther@suse.de>
8347
8348         * tree-ssa-structalias.c (get_constraint_for_component_ref):
8349         Use ranges_overlap_p.
8350         (offset_overlaps_with_access): Rename
8351         to ranges_overlap_p and move ...
8352         * tree-flow-inline.h (ranges_overlap_p): ... here.
8353
8354         * tree.h (get_inner_reference, handled_component_p): Update
8355         comments.
8356
8357         * tree.h (record_component_aliases, get_alias_set,
8358         alias_sets_conflict_p, alias_sets_must_conflict_p,
8359         objects_must_conflict_p): Move declarations ...
8360         * alias.h (record_component_aliases, get_alias_set,
8361         alias_sets_conflict_p, alias_sets_must_conflict_p,
8362         objects_must_conflict_p): ... here.
8363         Include coretypes.h.
8364         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
8365
8366 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
8367
8368         * cfg.c: Include tree-flow.h.
8369         (remove_edge_raw): Call redirect_edge_var_map_clear.
8370         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
8371         * tree-flow-inline.h (redirect_edge_var_map_def): New.
8372         (redirect_edge_var_map_result): New.
8373         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
8374         PENDING_STMT use with redirect_edge_var_map_*.
8375         * tree-ssa.c (edge_var_maps): New definition.
8376         (redirect_edge_var_map_add): New.
8377         (redirect_edge_var_map_clear): New.
8378         (redirect_edge_var_map_dup): New.
8379         (redirect_edge_var_map_vector): New.
8380         (redirect_edge_var_map_destroy): New.
8381         (ssa_redirect_edge): Replace PENDING_STMT use with
8382         redirect_edge_var_map_*.
8383         (flush_pending_stmts): Same.
8384         (delete_tree_ssa): Destroy edge var map.
8385         * tree-flow.h (struct _edge_var_map): New.
8386         Define edge_var_map vector type.
8387         Declare redirect_edge_var_map_* prototypes.
8388         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
8389         * tree-cfg.c (reinstall_phi_args): Replace
8390         PENDING_STMT use with redirect_edge_var_map_*.
8391
8392 2008-03-05  Richard Guenther  <rguenther@suse.de>
8393
8394         PR tree-optimization/35472
8395         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
8396         whose single use_stmt has a overlapping set of loaded and
8397         stored symbols as that use_stmt might be a noop assignment then.
8398
8399 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
8400
8401         * gthr-rtems.h: Implement __gthread_mutex_destroy.
8402
8403 2008-03-05  Richard Guenther  <rguenther@suse.de>
8404
8405         PR c++/35336
8406         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
8407         should be constants.
8408         * tree-cfg.c (verify_expr): Verify it.
8409         * fold-const.c (fold_truthop): Remove code generating
8410         BIT_FIELD_REFs of structure bases.
8411         (fold_binary): Likewise.
8412         (fold_ternary): Position and size of BIT_FIELD_REFs are
8413         always host integers.
8414         (make_bit_field_ref): Remove.
8415         (optimize_bit_field_compare): Remove.
8416         (all_ones_mask_p): Remove.
8417
8418 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
8419
8420         PR gcc/33009
8421         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
8422         (split_block_and_df_analyze): New. Split basic block and rebuild
8423         dataflow.
8424         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
8425         SPLIT_BLOCK.
8426         (split_pattern_seq): Likewise.
8427         (erase_matching_seqs): Likewise.
8428         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
8429
8430 2008-03-04  Geoff Keating  <geoffk@apple.com>
8431
8432         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
8433         declaration and code.
8434         (tree_invalid_nonnegative_warnv_p): Likewise.
8435
8436 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8437
8438         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
8439         examples.  Truncate option-names then causing overfull hbox.
8440
8441 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8442
8443         PR target/35222
8444         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
8445         on hpux10.
8446         * configure: Rebuilt.
8447
8448 2008-03-04  Rafael Espindola  <espindola@google.com>
8449
8450         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
8451         (tree_unary_nonnegative_warnv_p): New.
8452         (tree_binary_nonnegative_warnv_p): New.
8453         (tree_single_nonnegative_warnv_p): New.
8454         (tree_invalid_nonnegative_warnv_p): New.
8455         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
8456
8457 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8458
8459         PR 28322
8460         * opts.c (handle_option): Postpone 'unknown option' errors only for
8461         warning options.
8462
8463 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
8464
8465         PR target/35453
8466         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
8467         (_SIDD_XXX): This.
8468
8469 2008-03-04  Rafael Espindola  <espindola@google.com>
8470
8471         * fold-const.c (tree_unary_nonzero_warnv_p): New.
8472         (tree_binary_nonzero_warnv_p): New.
8473         (tree_single_nonzero_warnv_p): New.
8474         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
8475
8476 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
8477
8478         PR middle-end/35456
8479         * fold-const.c (fold_cond_expr_with_comparison): Prevent
8480         transformations for modes that have signed zeros.
8481         * ifcvt.c (noce_try_abs): Ditto.
8482
8483 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
8484
8485         * config/i386/i386.c (override_options): Force
8486         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
8487
8488 2008-03-04  Jan Hubicka  <jh@suse.cz>
8489
8490         PR c++/35262
8491         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
8492         in last commit.
8493
8494 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
8495
8496         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
8497         label to probe the stack.
8498
8499 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
8500
8501         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
8502         (__gthr_win32_mutex_destroy): Declare.
8503         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
8504         __gthr_win32_mutex_destroy.
8505         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
8506
8507 2008-03-03  Jan Hubicka  <jh@suse.cz>
8508
8509         PR c++/35262
8510         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
8511         aggressive on inlining cold calls.
8512
8513 2008-03-03  Richard Guenther  <rguenther@suse.de>
8514
8515         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
8516         struct copies into the expression table.
8517         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
8518         (try_to_simplify): Likewise.
8519         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
8520         integral and pointer arguments which do not change the
8521         precision to NOP_EXPRs.
8522         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
8523         VIEW_CONVERT_EXPR case.
8524
8525 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8526
8527         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8528         defined in a loop at depth 0 is invariant.
8529         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8530         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8531         be called at loop depth 0.
8532
8533 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
8534
8535         PR driver/35420
8536         * gcc.c (process_command): Update copyright notice dates.
8537         * gcov.c (print_version): Likewise.
8538         * gcov-dump.c (print_version): Likewise.
8539         * mips-tfile.c (main): Likewise.
8540         * mips-tdump.c (main): Likewise.
8541
8542 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8543
8544         PR 24924
8545         * c-common.c (flag_permissive): Delete.
8546         (constant_expression_warnings): Check flags first.
8547         (constant_expression_error): New.
8548         * c-common.h (flag_permissive): Delete.
8549         (constant_expression_error): Declare.
8550         * flags.h (flag_permissive): Declare. Update description.
8551         * diagnostic.c (pedwarn): Update.
8552         (permerror): New.
8553         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
8554         (permissive_error_kind): New.
8555         * toplev.c (flag_permissive): Define. Update description.
8556         * toplev.h (permissive_error_kind): Declare.
8557         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
8558         (pedwarn_c90): Use pedantic_warning_kind.
8559         * c-opts.c (c_common_post_options): flag_permissive does not affect
8560         flag_pedantic_errors.
8561
8562 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
8563
8564         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
8565         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
8566         __absvsi2, __absvDI2): Use unsigned arithmetic.
8567
8568 2008-03-02  Andi Kleen  <ak@suse.de>
8569             Richard Guenther  <rguenther@suse.de>
8570
8571         * struct-equiv.c: Remove file.
8572         * cfg_cleanup.c (condjump_equiv_p): Remove.
8573         * Makefile.in (OBJS-common): Remove struct-equiv.o.
8574         (struct-equiv.o): Remove rule.
8575         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
8576         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
8577         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
8578
8579 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8580
8581         * ifcvt.c (noce_process_if_block): Try to handle only the then
8582         block if the else block exists but isn't suitable.
8583
8584 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
8585
8586         PR gcc/35063
8587         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
8588         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
8589         regression from previous patch.
8590
8591 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
8592
8593         PR gcc/35063
8594         * gthr.h: Add __gthread_mutex_destroy as a function that must be
8595         implemented.
8596         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
8597         * gthr-single.h (__gthread_mutex_destroy): Likewise.
8598         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
8599         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
8600         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
8601         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
8602         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
8603         (__gthread_mutex_destroy_function): Rename to
8604         __gthread_mutex_destroy.
8605         * gthr-dce.h (__gthread_mutex_destroy): Call
8606         pthread_mutex_destroy.
8607         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
8608         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
8609         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
8610
8611 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8612
8613         * df-scan.c (df_ref_chain_change_bb): Simplify.
8614         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
8615         set_block_for_insn if there's any change.
8616         * df.h ((df_insn_change_bb): Fix prototype.
8617         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
8618         df_insn_change_bb, don't call set_block_for_insn.
8619         * emit-rtl.c (reorder_insns): Likewise.
8620         * haifa-sched.c (move_insn): Likewise.
8621
8622 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8623
8624         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
8625
8626 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
8627
8628         * tree-flow-inline.h (next_readonly_imm_use): Return
8629         NULL_USE_OPERAND_P after the end.
8630
8631 2008-03-01  Richard Guenther  <rguenther@suse.de>
8632
8633         PR tree-optimization/35411
8634         * tree-sra.c (sra_build_assignment): Split conversion to
8635         final type to a separate statement if we are not assigning
8636         to a register.
8637
8638 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8639
8640         * fold-const.c (fold_convertible_p): Correct the logic to follow
8641         that in fold_convert().
8642
8643 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
8644
8645         PR c++/35315
8646         * tree-inline.c (build_duplicate_type): When we make a
8647         duplicate type, make it unique in the canonical types system.
8648
8649 2008-02-29  Tom Tromey  <tromey@redhat.com>
8650
8651         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
8652         input_file_stack_history, input_file_stack_restored): Remove.
8653         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
8654         * input.h (struct file_stack): Remove.
8655         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
8656         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
8657         Likewise.
8658         * diagnostic.h (struct diagnostic_context) <last_module>: Change
8659         type.
8660         (diagnostic_last_module_changed): Add 'map' argument.
8661         (diagnostic_set_last_function): Likewise.
8662         * diagnostic.c (undiagnostic_report_current_module): Iterate using
8663         line map, not input_file_stack.
8664         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
8665
8666 2008-02-29  Paul Brook  <paul@codesourcery.com>
8667
8668         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
8669
8670 2008-02-29  Paul Brook  <paul@codesourcery.com>
8671
8672         * config/arm/ieee754-df.S (muldf3): Use RET macros.
8673
8674 2008-02-29  Richard Guenther  <rguenther@suse.de>
8675
8676         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
8677         vn_lookup_or_add.
8678         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
8679         value for comparing for a store match.
8680         (simplify_unary_expression): Do nothing for SSA_NAMEs.
8681         (try_to_simplify): Do not do a full-blown reference lookup.
8682
8683 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
8684
8685         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
8686         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8687
8688         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
8689
8690 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
8691
8692         * tree-loop-linear.c (try_interchange_loops): Compare memory access
8693         strides against cache sizes.
8694
8695 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
8696
8697         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
8698         constant to fpul.
8699
8700 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
8701
8702         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
8703         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
8704         is smaller than the original promoted value.
8705         (simplify_subreg): If OP is a SUBREG, try to preserve its
8706         SUBREG_PROMOTED_VAR_P information.
8707
8708 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
8709
8710         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
8711         (VN_INFO_GET): Allocate new objects on the obstack.
8712         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
8713         for rpo_numbers_temp, for consistency.
8714         (free_scc_vn): Free the obstack.
8715
8716 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
8717
8718         * doc/invoke.texi: Document -ftree-loop-distribution.
8719         * tree-loop-distribution.c: New.
8720         * tree-pass.h (pass_loop_distribution): New.
8721         * graphds.h (struct graph): Add htab_t indices.
8722         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8723         * tree-vectorizer.c (rename_variables_in_loop): Extern.
8724         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
8725         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8726         * tree-data-ref.c (debug_data_dependence_relations): New.
8727         (dump_data_dependence_relation): Also print data references.
8728         (free_data_ref): Extern.
8729         (same_access_functions): Moved...
8730         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8731         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8732         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8733         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
8734         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
8735         (stmts_from_loop): Skip LABEL_EXPR.
8736         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
8737         New.
8738         (build_rdg): Initialize rdg->indices htab.
8739         (free_rdg, stores_from_loop, ref_base_address,
8740         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8741         have_similar_memory_accesses_1, ref_base_address_1,
8742         remove_similar_memory_refs): New.
8743         * tree-data-ref.h: Depend on tree-chrec.h.
8744         (debug_data_dependence_relations, free_data_ref): Declared.
8745         (same_access_functions): ... here.
8746         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
8747         New.
8748         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
8749         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
8750         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
8751         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8752         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8753         rdg_vertex_for_stmt): Declared.
8754         (struct rdg_edge): Add level.
8755         (RDGE_LEVEL): New.
8756         (free_rdg, stores_from_loop, remove_similar_memory_refs,
8757         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
8758         Declared.
8759         (rdg_has_similar_memory_accesses): New.
8760         * tree-vect-analyze.c: Remove unused static decls.
8761         * lambda.h (dependence_level): New.
8762         * common.opt (ftree-loop-distribution): New.
8763         * tree-flow.h (mark_virtual_ops_in_bb,
8764         slpeel_tree_duplicate_loop_to_edge_cfg,
8765         rename_variables_in_loop): Declared.
8766         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
8767         (OBJS-common): Add tree-loop-distribution.o.
8768         (tree-loop-distribution.o): New rule.
8769         * tree-cfg.c (mark_virtual_ops_in_bb): New.
8770         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8771         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
8772
8773 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
8774
8775         PR target/33963
8776         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
8777         other than structures and unions.
8778
8779 2008-02-28  Richard Guenther  <rguenther@suse.de>
8780
8781         Revert:
8782         2008-02-26  Richard Guenther  <rguenther@suse.de>
8783
8784         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
8785         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
8786         (lookup_decl_from_uid): Declare.
8787         (remove_decl_from_map): Likewise.
8788         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
8789         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
8790         (decl_for_uid_map): New global hashtable mapping DECL_UID
8791         to the decl tree.
8792         (init_ttree): Allocate it.
8793         (insert_decl_to_uid_decl_map): New helper function.
8794         (make_node_stat): Insert new decls into the map.
8795         (copy_node_stat): Likewise.
8796         (lookup_decl_from_uid): New function.
8797         (remove_decl_from_map): Likewise.
8798         (print_decl_for_uid_map_statistics): New helper.
8799         (dump_tree_statistics): Call it.
8800
8801         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
8802         (referenced_var_iterator): Adjust.
8803         (FOR_EACH_REFERENCED_VAR): Adjust.
8804         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
8805         (num_referenced_vars): Adjust.
8806         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
8807         (first_referenced_var): Remove.
8808         (end_referenced_vars_p): Likewise.
8809         (next_referenced_var): Likewise.
8810         (referenced_var_iterator_set): New helper function.
8811         * tree-dfa.c (referenced_var_lookup): Adjust.
8812         (referenced_var_check_and_insert): Likewise.
8813         (remove_referenced_var): Likewise.
8814         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
8815         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8816         (verify_call_clobbering): Likewise.
8817         (verify_memory_partitions): Likewise.
8818         (init_tree_ssa): Allocate bitmap instead of hashtable for
8819         referenced_vars.
8820         (delete_tree_ssa): Adjust.
8821         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
8822         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
8823         (compute_tag_properties): Likewise.
8824         (set_initial_properties): Likewise.
8825         (find_partition_for): Likewise.
8826         (update_reference_counts): Likewise.
8827         (dump_may_aliases_for): Likewise.
8828         * tree-ssa-operands.c (add_virtual_operand): Likewise.
8829         (add_call_clobber_ops): Likewise.
8830         (add_call_read_ops): Likewise.
8831         (get_asm_expr_operands): Likewise.
8832         * tree-into-ssa.c (dump_decl_set): Likewise.
8833         (update_ssa): Likewise.
8834         * tree-sra.c (scan_function): Likewise.
8835         (decide_instantiations): Likewise.
8836         (scalarize_parms): Likewise.
8837         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
8838         (dsa_named_for): Likewise.
8839         * tree-ssa-structalias.c (update_alias_info): Likewise.
8840         (merge_smts_into): Likewise.
8841
8842 2008-02-27  David Daney  <ddaney@avtrex.com>
8843
8844         PR target/34409
8845         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
8846         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
8847         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
8848         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
8849         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
8850
8851 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
8852
8853         PR target/25477
8854         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
8855         (BUILT_IN_NEXTTOWARD): Remove.
8856         (BUILT_IN_NEXTTOWARDF): Ditto.
8857         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
8858         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
8859
8860 2008-02-27  Tom Tromey  <tromey@redhat.com>
8861
8862         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
8863         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
8864
8865 2008-02-27  Jan Beulich  <jbeulich@novell.com>
8866
8867         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
8868         update the respective field on newdecl.
8869
8870 2008-02-27  Revital Eres  <eres@il.ibm.com>
8871
8872         PR rtl-optimization/34999
8873         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
8874         crossing edges that ends with a call insn.
8875         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
8876         call insn and clear the EDGE_CROSSING flag of the crossing edge
8877         when fixing fallthru edges.
8878
8879 2008-02-27  Richard Guenther  <rguenther@suse.de>
8880
8881         PR middle-end/35390
8882         * fold-const.c (fold_unary): Return the correct argument,
8883         converted to the result type.
8884
8885 2008-02-27  Richard Guenther  <rguenther@suse.de>
8886
8887         PR middle-end/34971
8888         * expr.c (expand_expr_real_1): Assert on rotates that operate
8889         on partial modes.
8890         * fold-const.c (fold_binary): Use the types precision, not the
8891         bitsize of the mode if folding rotate expressions.  Build rotates
8892         only for full modes.
8893
8894 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
8895
8896         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
8897         and CPP_PRAGMA_EOL.
8898         * c-pragma.c (pragma_ns_name): New typedef.
8899         (registered_pp_pragmas): New variable.
8900         (c_pp_lookup_pragma): New function.
8901         (c_register_pragma_1): If flag_preprocess_only, do nothing
8902         for non-expanded pragmas, for expanded ones push pragma's
8903         namespace and name into registered_pp_pragmas vector.
8904         (c_invoke_pragma_handler): Register OpenMP pragmas even when
8905         flag_preprocess_only, don't register GCC pch_preprocess
8906         pragma if flag_preprocess_only.
8907         * c-opts.c (c_common_init): Call init_pragma even if
8908         flag_preprocess_only.
8909         * c-pragma.c (c_pp_lookup_pragma): New prototype.
8910         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
8911         cpp_register_pragma if flag_preprocess_only.
8912
8913 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8914
8915         PR c/28800
8916         * c-parser.c (c_parser_translation_unit): Warn for empty
8917         translation unit, not empty source file.
8918
8919 2008-02-26  Paul Brook  <paul@codesourcery.com>
8920
8921         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
8922         operand for Thumb-2.
8923         * config/arm/arm.h (reg_class): Add CORE_REGS.
8924         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
8925         (BASE_REG_CLASS): Use CORE_REGS.
8926         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
8927         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
8928         (REGNO_OK_FOR_INDEX_P): Exclude SP.
8929         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
8930         ARM_REGNO_OK_FOR_INDEX_P.
8931         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
8932         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
8933         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
8934         (ldm/stm peepholes): Ditto.
8935         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
8936         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
8937         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
8938         * config/arm/constraints.md: Enable "k" constraint on ARM.
8939
8940 2008-02-27  Ben Elliston  <bje@au.ibm.com>
8941
8942         * config/rs6000/rs6000.c: Annotate cache line size field in all
8943         instances of struct processor_costs.
8944
8945 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
8946
8947         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
8948         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
8949         jump_bypass): New counters.
8950         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
8951         * dce.c (gate_ud_dce): Same.
8952         (gate_fast_dce): Same.
8953         * dse.c (gate_dse1): New function.
8954         (gate_dse2): New function.
8955         (gate_dse): Merge results of new gate functions.
8956         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
8957         (gate_handle_jump_bypass): Add dbg_cnt.
8958         (gate_handle_gcse): Add dbg_cnt.
8959         * ifcvt.c (gate_handle_if_conversion): Same.
8960         (gate_handle_if_after_combine): Same.
8961         (gate_handle_if_after_reload): Same.
8962         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
8963
8964 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
8965
8966         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
8967         line sizes.
8968         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
8969
8970 2008-02-26  Jason Merrill  <jason@redhat.com>
8971
8972         PR c++/35315
8973         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
8974         alone if it's the naming decl for the type's main variant.
8975
8976 2008-02-26  Tom Tromey  <tromey@redhat.com>
8977
8978         * system.h (USE_MAPPED_LOCATION): Poison.
8979         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
8980         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
8981         (make_goto_expr_edges): Likewise.
8982         (remove_bb): Likewise.
8983         (execute_warn_function_return): Likewise.
8984         * basic-block.h (struct edge_def) <goto_locus>: Change type to
8985         location_t.
8986         * c-common.c (fname_decl): Remove old location code.
8987         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
8988         location code.
8989         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
8990         variant.
8991         (ASM_INPUT_SOURCE_LOCATION): Likewise.
8992         (gen_rtx_ASM_INPUT): Likewise.
8993         (gen_rtx_ASM_INPUT_loc): Likewise.
8994         (get_rtx_asm_OPERANDS): Remove.
8995         * cfglayout.c (insn_locators_alloc): Remove old location code.
8996         (set_curr_insn_source_location): Likewise.
8997         (curr_insn_locator): Likewise.
8998         * print-tree.c (print_node): Remove old location code.
8999         * tree-mudflap.c (mf_varname_tree): Remove old location code.
9000         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
9001         * cfgexpand.c (expand_gimple_cond_expr): Don't use
9002         location_from_locus.
9003         (construct_exit_block): Remove old location code.
9004         * emit-rtl.c (force_next_line_note): Remove old location code.
9005         * profile.c (branch_prob): Remove old location code.
9006         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
9007         LOC_LINE): Remove old-location variants.
9008         * langhooks.c (lhd_print_error_function): Remove old location
9009         code.
9010         * configure, config.in: Rebuilt.
9011         * configure.ac (--enable-mapped-location): Remove.
9012         * c-decl.c (c_init_decl_processing): Remove old location code.
9013         (finish_function): Likewise.
9014         * recog.c (decode_asm_operands): Remove old location code.
9015         * c-pch.c (c_common_read_pch): Remove old location code.
9016         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
9017         variants.
9018         * gimple-low.c (lower_function_body): Remove old location code.
9019         * toplev.c (unknown_location): Remove.
9020         (push_srcloc): Remove old-location variant.
9021         (process_options): Remove old location code.
9022         (lang_dependent_init): Likewise.
9023         * input.h (UNKNOWN_LOCATION): Move definition.
9024         (location_t): Undeprecate.
9025         (source_locus): Remove.
9026         (location_from_locus): Remove.
9027         (struct location_s): Remove.
9028         Remove all old-location code.
9029         (input_line, input_filename): Remove.
9030         * final.c (final_scan_insn): Remove old location code.
9031         * diagnostic.c (diagnostic_build_prefix): Remove
9032         USE_MAPPED_LOCATION test.
9033         * tree.h (gimple_stmt) <locus>: Now a location_t.
9034         (tree_exp) <locus>: Likewise.
9035         (DECL_IS_BUILTIN): Remove old-location variant.
9036         (annotate_with_file_line, annotate_with_locus): Likewise.
9037         (expr_locus, set_expr_locus): Update.
9038         * tree.c (build1_stat): Remove old location code.
9039         (last_annotated_node): Remove.
9040         (annotate_with_file_line): Remove old-location variant.
9041         (annotate_with_locus): Likewise.
9042         (expr_location): Remove old location code.
9043         (set_expr_location): Likewise.
9044         (expr_has_location): Likewise.
9045         (expr_locus): Likewise.
9046         (set_expr_locus): Likewise.
9047         (expr_filename): Don't use location_from_locus.
9048         (expr_lineno): Likewise.
9049         * rtl-error.c (location_for_asm): Remove old location code.
9050         * c-lex.c (cb_line_change): Remove old location code.
9051         (fe_file_change): Likewise.
9052         (cb_def_pragma): Likewise.
9053         (c_lex_with_flags): Likewise.
9054         * gengtype.c (do_typedef): Don't special-case location types.
9055         (define_location_structures): Remove.
9056         (main): Don't call define_location_structures.
9057         * tree-pretty-print.c (dump_implicit_edges): Remove old location
9058         code.
9059
9060 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9061
9062         PR 26264
9063         * builtins.def (BUILT_IN_STDARG_START): Remove.
9064         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
9065         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
9066         * tree-inline.c (inline_forbidden_p_1): Likewise.
9067
9068 2008-02-26  Richard Guenther  <rguenther@suse.de>
9069
9070         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9071         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9072         (lookup_decl_from_uid): Declare.
9073         (remove_decl_from_map): Likewise.
9074         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9075         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9076         (decl_for_uid_map): New global hashtable mapping DECL_UID
9077         to the decl tree.
9078         (init_ttree): Allocate it.
9079         (insert_decl_to_uid_decl_map): New helper function.
9080         (make_node_stat): Insert new decls into the map.
9081         (copy_node_stat): Likewise.
9082         (lookup_decl_from_uid): New function.
9083         (remove_decl_from_map): Likewise.
9084         (print_decl_for_uid_map_statistics): New helper.
9085         (dump_tree_statistics): Call it.
9086
9087         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9088         (referenced_var_iterator): Adjust.
9089         (FOR_EACH_REFERENCED_VAR): Adjust.
9090         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9091         (num_referenced_vars): Adjust.
9092         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9093         (first_referenced_var): Remove.
9094         (end_referenced_vars_p): Likewise.
9095         (next_referenced_var): Likewise.
9096         (referenced_var_iterator_set): New helper function.
9097         * tree-dfa.c (referenced_var_lookup): Adjust.
9098         (referenced_var_check_and_insert): Likewise.
9099         (remove_referenced_var): Likewise.
9100         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9101         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9102         (verify_call_clobbering): Likewise.
9103         (verify_memory_partitions): Likewise.
9104         (init_tree_ssa): Allocate bitmap instead of hashtable for
9105         referenced_vars.
9106         (delete_tree_ssa): Adjust.
9107         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9108         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9109         (compute_tag_properties): Likewise.
9110         (set_initial_properties): Likewise.
9111         (find_partition_for): Likewise.
9112         (update_reference_counts): Likewise.
9113         (dump_may_aliases_for): Likewise.
9114         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9115         (add_call_clobber_ops): Likewise.
9116         (add_call_read_ops): Likewise.
9117         (get_asm_expr_operands): Likewise.
9118         * tree-into-ssa.c (dump_decl_set): Likewise.
9119         (update_ssa): Likewise.
9120         * tree-sra.c (scan_function): Likewise.
9121         (decide_instantiations): Likewise.
9122         (scalarize_parms): Likewise.
9123         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9124         (dsa_named_for): Likewise.
9125         * tree-ssa-structalias.c (update_alias_info): Likewise.
9126         (merge_smts_into): Likewise.
9127
9128 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9129
9130         PR 34351
9131         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
9132         * c-opts.c (c_common_handle_option): Wall enables
9133         Wvolatile-register-var.
9134         * common.opt: Move Wvolatile-register-var to...
9135         * c.opt: ...here.
9136
9137 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9138
9139         * common.opt (Wlarger-than=): New.
9140         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
9141         -Wlarger-than=.
9142         * opts.c (common_handle_option): Handle -Wlarger-than=.
9143         * optc-gen.awk: Likewise.
9144         * opth-gen.awk: Likewise.
9145         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
9146         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9147
9148 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9149
9150         * c-common.c (match_case_to_enum_1): Add appropriate
9151         OPT_W* parameter to warning.
9152         (c_do_switch_warnings): Likewise.
9153         * c-typeck.c (warning_init): Add one more parameter following
9154         'warning' function.
9155         (push_init_level): Update call to warning_init.
9156         (pop_init_level): Likewise.
9157         (add_pending_init): Likewise.
9158         (output_init_element: Likewise.
9159
9160 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9161
9162         PR 28322
9163         * toplev.c (toplev_main): If there are warnings or error, print
9164         errors for ignored options.
9165         * opts.c (ignored_options): New static variable.
9166         (postpone_unknown_option_error): New.
9167         (print_ignored_options): New.
9168         (handle_option): Postpone errors for unknown -Wno-* options.
9169         * opts.h (print_ignored_options): Declare.
9170
9171 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
9172
9173         * config/mips/mips.md (loadgp_blockage, blockage): Change type
9174         to "ghost".
9175
9176 2008-02-25  Richard Guenther  <rguenther@suse.de>
9177
9178         Revert:
9179         2008-02-25  Richard Guenther  <rguenther@suse.de>
9180
9181         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9182         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9183         (lookup_decl_from_uid): Declare.
9184         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9185         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9186         (decl_for_uid_map): New global hashtable mapping DECL_UID
9187         to the decl tree.
9188         (init_ttree): Allocate it.
9189         (insert_decl_to_uid_decl_map): New helper function.
9190         (make_node_stat): Insert new decls into the map.
9191         (copy_node_stat): Likewise.
9192         (lookup_decl_from_uid): New function.
9193         (print_decl_for_uid_map_statistics): New helper.
9194         (dump_tree_statistics): Call it.
9195
9196         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9197         (referenced_var_iterator): Adjust.
9198         (FOR_EACH_REFERENCED_VAR): Adjust.
9199         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9200         (num_referenced_vars): Adjust.
9201         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9202         (first_referenced_var): Remove.
9203         (end_referenced_vars_p): Likewise.
9204         (next_referenced_var): Likewise.
9205         (referenced_var_iterator_set): New helper function.
9206         * tree-dfa.c (referenced_var_lookup): Adjust.
9207         (referenced_var_check_and_insert): Likewise.
9208         (remove_referenced_var): Likewise.
9209         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9210         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9211         (verify_call_clobbering): Likewise.
9212         (verify_memory_partitions): Likewise.
9213         (init_tree_ssa): Allocate bitmap instead of hashtable for
9214         referenced_vars.
9215         (delete_tree_ssa): Adjust.
9216         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9217         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9218         (compute_tag_properties): Likewise.
9219         (set_initial_properties): Likewise.
9220         (find_partition_for): Likewise.
9221         (update_reference_counts): Likewise.
9222         (dump_may_aliases_for): Likewise.
9223         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9224         (add_call_clobber_ops): Likewise.
9225         (add_call_read_ops): Likewise.
9226         (get_asm_expr_operands): Likewise.
9227         * tree-into-ssa.c (dump_decl_set): Likewise.
9228         (update_ssa): Likewise.
9229         * tree-sra.c (scan_function): Likewise.
9230         (decide_instantiations): Likewise.
9231         (scalarize_parms): Likewise.
9232         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9233         (dsa_named_for): Likewise.
9234         * tree-ssa-structalias.c (update_alias_info): Likewise.
9235         (merge_smts_into): Likewise.
9236
9237 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9238
9239         PR fortran/29549
9240         * doc/invoke.texi (-fcx-limited-range): Document new option.
9241         * toplev.c (process_options): Handle -fcx-fortran-rules.
9242         * common.opt: Add documentation for -fcx-fortran-rules.
9243
9244 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
9245
9246         PR c/35162
9247         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
9248         actual behaviour and C99.
9249
9250 2008-02-26  Ben Elliston  <bje@au.ibm.com>
9251
9252         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
9253         (ASM_CPU_POWER6_SPEC): Likewise.
9254         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
9255         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
9256         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
9257
9258 2008-02-25  Richard Guenther  <rguenther@suse.de>
9259
9260         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
9261         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
9262         (lookup_decl_from_uid): Declare.
9263         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
9264         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
9265         (decl_for_uid_map): New global hashtable mapping DECL_UID
9266         to the decl tree.
9267         (init_ttree): Allocate it.
9268         (insert_decl_to_uid_decl_map): New helper function.
9269         (make_node_stat): Insert new decls into the map.
9270         (copy_node_stat): Likewise.
9271         (lookup_decl_from_uid): New function.
9272         (print_decl_for_uid_map_statistics): New helper.
9273         (dump_tree_statistics): Call it.
9274
9275         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
9276         (referenced_var_iterator): Adjust.
9277         (FOR_EACH_REFERENCED_VAR): Adjust.
9278         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
9279         (num_referenced_vars): Adjust.
9280         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
9281         (first_referenced_var): Remove.
9282         (end_referenced_vars_p): Likewise.
9283         (next_referenced_var): Likewise.
9284         (referenced_var_iterator_set): New helper function.
9285         * tree-dfa.c (referenced_var_lookup): Adjust.
9286         (referenced_var_check_and_insert): Likewise.
9287         (remove_referenced_var): Likewise.
9288         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
9289         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9290         (verify_call_clobbering): Likewise.
9291         (verify_memory_partitions): Likewise.
9292         (init_tree_ssa): Allocate bitmap instead of hashtable for
9293         referenced_vars.
9294         (delete_tree_ssa): Adjust.
9295         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
9296         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
9297         (compute_tag_properties): Likewise.
9298         (set_initial_properties): Likewise.
9299         (find_partition_for): Likewise.
9300         (update_reference_counts): Likewise.
9301         (dump_may_aliases_for): Likewise.
9302         * tree-ssa-operands.c (add_virtual_operand): Likewise.
9303         (add_call_clobber_ops): Likewise.
9304         (add_call_read_ops): Likewise.
9305         (get_asm_expr_operands): Likewise.
9306         * tree-into-ssa.c (dump_decl_set): Likewise.
9307         (update_ssa): Likewise.
9308         * tree-sra.c (scan_function): Likewise.
9309         (decide_instantiations): Likewise.
9310         (scalarize_parms): Likewise.
9311         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
9312         (dsa_named_for): Likewise.
9313         * tree-ssa-structalias.c (update_alias_info): Likewise.
9314         (merge_smts_into): Likewise.
9315
9316 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
9317
9318         PR target/35258
9319         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
9320         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
9321         * alias.h (nonoverlapping_memrefs_p): Likewise.
9322
9323 2008-02-25  Jan Beulich  <jbeulich@novell.com>
9324
9325         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
9326         * config/i386/netware-libgcc.exp: Add __bswap?i2,
9327         __emultls_get_address, __emultls_register_common,
9328         __floatundi?f, and _Unwind_GetIPInfo.
9329         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
9330         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
9331         (gen_regparm_prefix): Likewise.
9332         (i386_nlm_encode_section_info): Sync with
9333         config/i386/winnt.c:i386_pe_encode_section_info().
9334         (i386_nlm_maybe_mangle_decl_assembler_name): New.
9335         i386_nlm_mangle_decl_assembler_name): New.
9336         (netware_override_options): New.
9337         * config/i386/netware.h (netware_override_options): Declare.
9338         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
9339         (i386_nlm_mangle_decl_assembler_name): Declare.
9340         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
9341
9342 2008-02-25  Ben Elliston  <bje@au.ibm.com>
9343
9344         PR other/32948
9345         * c-decl.c (grokdeclarator): Remove unused local variables
9346         `typedef_type' and `type_as_written'.
9347         * bb-reorder.c
9348         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
9349         unused local variable `has_hot_blocks'.
9350         (fix_crossing_conditional_branches): Remove unused local variable
9351         `prev_bb'.
9352
9353 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
9354
9355         PR middle-end/19984
9356         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
9357         using DEF_C99_BUILTIN.
9358         (BUILT_IN_NANF): Ditto.
9359         (BUILT_IN_NANL): Ditto.
9360
9361 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
9362             Revital Eres  <eres@il.ibm.com>
9363
9364         * modulo-sched.c (calculate_must_precede_follow): Address TODO
9365         regarding the order of two dependent insns in the same row.
9366
9367 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
9368
9369         * stor-layout.c (layout_decl): Do not bump the alignment of a
9370         bit-field to more than byte alignment if it is packed.
9371
9372 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
9373
9374         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
9375         e300c2 and e300c3.
9376
9377 2008-02-24  Diego Novillo  <dnovillo@google.com>
9378
9379         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
9380
9381         PR 33738
9382         * tree-vrp.c (vrp_evaluate_conditional): With
9383         -Wtype-limits, emit a warning when comparing against a
9384         constant outside the natural range of OP0's type.
9385         * c.opt (Wtype-limits): Move ...
9386         * common.opt (Wtype-limits): ... here.
9387
9388 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
9389
9390         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
9391         * config/rs6000/e300c2c3.md: New file.
9392         * config/rs6000/rs6000.c (processor_costs): Add new costs for
9393         e300c2 and e300c3.
9394         (rs6000_override_options): Add e300c2 and e300c3 cases to
9395         processor_target_table. Do not allow usage of Altivec or Spe
9396         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
9397         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
9398         * config/rs6000/rs6000.h (processor_type): Add
9399         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
9400         (ASM_CPU_SPEC): Add e300c2 and e300c3.
9401         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
9402         and ppce300c3. Include e300c2c3.md.
9403
9404 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
9405
9406         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
9407         instead of TARGET_STRICT_ALIGN.
9408
9409 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
9410
9411         * explow.c (memory_address): Assert that the generated address is
9412         valid.
9413
9414 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9415
9416         PR target/25477
9417         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
9418         * config/darwin-ppc-ldouble-patch.def: New file.
9419         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
9420         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
9421         SUBTARGET_INIT_BUILTINS if defined.
9422         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
9423         New functions.
9424
9425 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9426
9427         PR rtl-opt/33512
9428         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
9429         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
9430
9431 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9432
9433         PR pch/35027
9434         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
9435         file" warning condtional on -Winvalid-PCH.
9436
9437 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
9438
9439         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
9440
9441 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
9442
9443         PR target/22076
9444         PR target/34256
9445         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
9446         prevent reload from using MMX registers.
9447         (*mov<mode>_internal): Ditto.
9448         (*movv2sf_internal_rex64): Ditto.
9449         (*movv2sf_internal): Ditto.
9450
9451 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9452
9453         PR documentation/31569
9454         * doc/install.texi2html: Use makeinfo --no-number-sections.
9455
9456 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9457
9458         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
9459         ensure that we can address an entire entity > 8 bytes.  Don't
9460         generate reg+reg addressing for such data.
9461
9462 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9463
9464         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
9465         strings when optimizing for size, unless the target cares about
9466         alignment.
9467
9468 2008-02-22  Tom Tromey  <tromey@redhat.com>
9469
9470         * regclass.c (current_pass): Remove declaration.
9471
9472 2008-02-22  Anatoly Sokolov <aesok@post.ru>
9473
9474         * config/avr/libgcc.S (__RAMPZ__): Define.
9475         (__do_copy_data): Add for devices with 128KB code memory.
9476
9477 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
9478
9479         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
9480         Use spe_abi.
9481         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
9482
9483 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
9484
9485         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
9486         GENNONACR_REGS.
9487
9488 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9489
9490         PR c/19999
9491         * c-typeck.c (build_binary_op): Warn about floating point
9492         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
9493
9494 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
9495
9496         PR target/34526
9497         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
9498         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
9499         add vrsave.
9500         (rs6000_override_options): Set altivec_abi as default, not override,
9501         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
9502         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
9503         is used; use new member spe_abi.
9504         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
9505         spe_abi and altivec_abi.
9506
9507 2008-02-22  Tomas Bily  <tbily@suse.cz>
9508
9509         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
9510
9511 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9512
9513         PR bootstrap/35273
9514         * config.build (build_file_translate): Set to `CMD //c' only if
9515         it works.
9516         * Makefile.in (build_file_translate): Improve comment.
9517
9518 2008-02-21  Jan Hubicka  <jh@suse.cz>
9519
9520         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
9521         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
9522         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
9523
9524 2008-02-21  Michael Matz  <matz@suse.de>
9525
9526         PR target/35264
9527         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
9528
9529 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
9530
9531         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
9532         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
9533         as insn constraint.
9534         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
9535         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
9536         SSE_VEC_FLOAT_MODE_P as insn constraint.
9537         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
9538         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
9539         sse4a_movntdf using MODEF mode iterator.
9540         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
9541         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
9542         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
9543         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
9544         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
9545         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
9546         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
9547
9548 2008-02-21  Richard Guenther  <rguenther@suse.de>
9549
9550         * tree.def (PAREN_EXPR): New tree code.
9551         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
9552         and PAREN_EXPR.
9553         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
9554         * expr.c (expand_expr_real_1): Likewise.
9555         * tree-inline.c (estimate_num_insns_1): Likewise.
9556         * tree-complex.c (expand_complex_move): Likewise.
9557         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
9558         as plain x.
9559
9560 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9561
9562         PR target/35225
9563         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
9564
9565 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9566
9567         PR target/35190
9568         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
9569
9570         * config/sh/sh.c (find_barrier): Don't go past
9571         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
9572
9573 2008-02-20  DJ Delorie  <dj@redhat.com>
9574
9575         * config/h8300/h8300.md (insv): Force source operand to be a register.
9576
9577         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
9578         as a jump, not as a plain insn.
9579
9580 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
9581
9582         * doc/invoke.texi (Warning Options): Add new option
9583         -Wframe-larger-than=.
9584         (-Wframe-larger-than): Document.
9585
9586         * flags.h (warn_frame_larger_than, frame_larger_than_size):
9587         Add declarations for new option variables.
9588
9589         * final.c (final_start_function): Check the frame size
9590         before emission and issue a Wframe-larger-than warning.
9591
9592         * opts.c (warn_frame_larger_than, frame_larger_than_size):
9593         Add definitions for new option variables.
9594         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
9595
9596         * common.opt (Wframe-larger-than=): New option.
9597
9598 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
9599
9600         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
9601         (<sse>_div<mode>3): Ditto.
9602         (<sse>_vmdiv<mode>3): Ditto.
9603         (<sse>_vmsqrt<mode>2): Ditto.
9604         (*smax<mode>3): Ditto.
9605         (sse5_frcz<mode>2): Ditto.
9606         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
9607         as insn constraint.
9608
9609 2008-02-20  Richard Guenther  <rguenther@suse.de>
9610
9611         PR middle-end/35265
9612         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
9613         be happy with INTEGRAL_TYPE_P.
9614
9615 2008-02-20  Richard Guenther  <rguenther@suse.de>
9616
9617         * fold-const.c (split_tree): Associate floatig-point expressions
9618         if flag_associative_math is set.
9619
9620 2008-02-20  Richard Guenther  <rguenther@suse.de>
9621
9622         * tree.h (fold_real_zero_addition_p): Declare.
9623         * fold-const.c (fold_real_zero_addition_p): Export.
9624         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
9625         floating-point operations with zero and one.
9626
9627 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
9628
9629         * doc/install.texi: Correct references to CFLAGS, replacing them
9630         with BOOT_CFLAGS.  Document flags used during bootstrap for
9631         target libraries.
9632
9633 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
9634
9635         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
9636         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
9637         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
9638         insn constraint.
9639         (smin<mode>3): Ditto from similar patterns.
9640         (smax<mode>3): Ditto.
9641         (*ieee_smin<mode>3): Ditto.
9642         (*ieee_smax<mode>3): Ditto.
9643         * config/i386/sse.md (sse): New mode attribute.
9644         (mov<mode>): Macroize expander from movv4sf and movv2df using
9645         SSEMODEF2P mode iterator.
9646         (<sse>_movnt<mode>): Ditto from similar patterns. Use
9647         SSE_VEC_FLOAT_MODE_P as insn constraint.
9648         (storent<mode>): Ditto.
9649         (storent<mode>): Macroize expander from storentsf and storentdf using
9650         MODEF mode iterator.
9651         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
9652         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
9653         (abs<mode>2): Ditto from similar patterns.
9654         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
9655         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
9656         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
9657         (<sse>_vmsqrt<mode>2): Ditto.
9658         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
9659         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
9660         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
9661         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
9662         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
9663         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
9664         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
9665         insn constraint.
9666         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
9667         iterator and SSE_FLOAT_MODE_P as insn constraint.
9668         (<sse>_ucomi): Ditto from similar patterns.
9669         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
9670         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
9671         SSE_VEC_FLOAT_MODE_P as insn constraint.
9672         (vcond<mode>): Ditto from similar patterns.
9673         (and<mode>3, *and<mode>3): Ditto.
9674         (<sse>_nand<mode>3): Ditto.
9675         (ior<mode>3, *ior<mode>3): Ditto.
9676         (xor<mode>3, *xor<mode>3): Ditto.
9677         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
9678         iterator and SSE_FLOAT_MODE_P as insn constraint.
9679         (*nand<mode>3): Ditto from similar patterns.
9680         (*ior<mode>3): Ditto.
9681         (*xor<mode>3): Ditto.
9682
9683 2008-02-20  Ira Rosen  <irar@il.ibm.com>
9684
9685         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
9686         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
9687         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
9688
9689 2008-02-19  Jan Hubicka  <jh@suse.cz>
9690
9691         * predict.c (tree_bb_level_predictions): Remove variable next
9692         mistakely introduced by previous commit.
9693
9694 2008-02-19  Jan Hubicka  <jh@suse.cz>
9695
9696         * predict.c (predict_paths_leading_to): Rewrite.
9697         (predict_paths_for_bb): New.
9698         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
9699
9700 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9701
9702         PR bootstrap/35218
9703         * Makefile.in (build_file_translate): New.
9704         (gcc-vers.texi): Use it for translating $(abs_srcdir).
9705         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
9706         * configure.ac (build_file_translate): Substitute it.
9707         * configure: Regenerate.
9708
9709 2008-02-19  Jan Hubicka  <jh@suse.cz>
9710
9711         PR rtl-optimization/34408
9712         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
9713         invalid sharing.
9714
9715 2008-02-19  Jan Hubicka  <jh@suse.cz>
9716
9717         PR middle-end/28779
9718         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
9719         call_expr.
9720
9721 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9722
9723         PR Ada/35186
9724         * config/i386/i386-modes.def: Revert the last DI alignment
9725         change until Ada people can look into it.
9726
9727 2008-02-19  Nick Clifton  <nickc@redhat.com>
9728
9729         * opts.c (print_specific_help): Fix typo in --help text.
9730
9731 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
9732
9733         PR target/35239
9734         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
9735         32-bit inline asm without asm alternatives for host GCC < 3.0.
9736
9737 2008-02-19  Richard Guenther  <rguenther@suse.de>
9738
9739         PR tree-optimization/34989
9740         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
9741         Allow propagation to INDIRECT_REF if we can simplify only.
9742
9743 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9744
9745         * c-common.c (warn_for_collisions_1): Use appropriate option when
9746         warning.
9747
9748 2008-02-19  Nick Clifton  <nickc@redhat.com>
9749
9750         PR other/31349
9751         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
9752         (handle_options): Fix indentation.
9753         (print_filtered_help): If no language-specific options were
9754         displayed tell the user how to list all the options supported by
9755         the language's front-end.
9756         (print_specific_help): Fix indentation and remove duplicate line.
9757         (common_handle_option): Handle the -v option.
9758         For --help enable the display of undocumented options if the -v
9759         switch has been included on the command line.
9760         For --help= check for overlaps in the arguments between the option
9761         classes and the language names and issue a warning when they
9762         cannot be disambiguated.
9763         * c.opt (v): Pass on to the common option handler.
9764
9765 2008-02-19  Revital Eres  <eres@il.ibm.com>
9766
9767         * modulo-sched.c (sms_schedule): Change dump message when
9768         create_ddg function fails.
9769         (try_scheduling_node_in_cycle): Rename row to cycle.
9770         (print_partial_schedule): Rename CYCLE to ROW.
9771
9772 2008-02-19  Christian Bruel  <christian.bruel@st.com>
9773             Zdenek Dvorak  <ook@ucw.cz>
9774
9775         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
9776
9777 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
9778
9779         PR target/33555
9780         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
9781         (*x86_movdicc_0_m1_se): Ditto.
9782
9783 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
9784
9785         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
9786         (CMPtype): Define as __gcc_CMPtype.
9787         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
9788         (CMPtype): Define as __gcc_CMPtype.
9789
9790 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
9791
9792         Support valgrind 3.3 for --enable-checking=valgrind.
9793         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
9794         here.
9795         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
9796         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
9797         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
9798         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
9799         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
9800         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
9801         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
9802         respectively.
9803         * ggc-zone.c: Similar.
9804         * ggc-page.c: Similar.
9805
9806 2008-02-19  Paul Brook  <paul@codesourcery.com>
9807
9808         PR target/35071
9809         * config/arm/ieee754-df.S: Fix do_it typo.
9810         * config/arm/ieee754-sf.S: Fix do_it typo.
9811
9812 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9813
9814         PR target/35189
9815         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
9816         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
9817         (OPTION_MASK_ISA_SSE_SET): Likewise.
9818         (OPTION_MASK_ISA_SSE2_SET): Likewise.
9819         (OPTION_MASK_ISA_SSE3_SET): Likewise.
9820         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
9821         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
9822         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
9823         (OPTION_MASK_ISA_SSE4_SET): Likewise.
9824         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
9825         (OPTION_MASK_ISA_SSE5_SET): Likewise.
9826         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
9827         (OPTION_MASK_ISA_MMX_UNSET): Updated.
9828         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
9829         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
9830         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
9831         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
9832         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
9833         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
9834         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
9835         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
9836         (OPTION_MASK_ISA_SSE4): Removed.
9837         (ix86_handle_option): Turn on bits in ix86_isa_flags and
9838         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
9839         (override_options): Don't turn on implied SSE/MMX bits in
9840         ix86_isa_flags.
9841
9842 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9843
9844         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
9845         32bit host.
9846
9847 2008-02-18  Joey Ye  <joey.ye@intel.com>
9848
9849         PR middle-end/34921
9850         * tree-nested.c (insert_field_into_struct): Set type alignment
9851         to field alignment if the former is less than the latter.
9852
9853 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
9854
9855         * BASE-VER: Set to 4.4.0.
9856
9857 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9858
9859         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
9860         * doc/cfg.texi: Likewise.
9861         * doc/extend.texi: Likewise.
9862         * doc/gty.texi: Likewise.
9863         * doc/invoke.texi: Likewise.
9864         * doc/loop.texi: Likewise.
9865         * doc/md.texi: Likewise.
9866         * doc/passes.texi: Likewise.
9867         * doc/rtl.texi: Likewise.
9868         * doc/sourcebuild.texi: Likewise.
9869         * doc/tm.texi: Likewise.
9870         * doc/tree-ssa.texi: Likewise.
9871
9872 2008-02-17  Richard Guenther  <rguenther@suse.de>
9873
9874         PR middle-end/35227
9875         * tree-complex.c (init_parameter_lattice_values): Handle parameters
9876         without default definition.
9877
9878 2008-02-17  Richard Guenther  <rguenther@suse.de>
9879
9880         PR tree-optimization/35231
9881         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
9882         if A | B != 1.
9883
9884 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
9885
9886         Revert:
9887         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
9888         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
9889         libgcc_cmp_return mode.
9890
9891 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9892
9893         PR c/28368
9894         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
9895
9896 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
9897
9898         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
9899         multilibs.
9900
9901 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9902
9903         * doc/c-tree.texi: Use `@.' where appropriate.
9904         * doc/extend.texi: Likewise.
9905         * doc/install.texi: Likewise.
9906         * doc/invoke.texi: Likewise.
9907         * doc/loop.texi: Likewise.
9908         * doc/makefile.texi: Likewise.
9909         * doc/md.texi: Likewise.
9910         * doc/passes.texi: Likewise.
9911         * doc/standards.texi: Likewise.
9912         * doc/tm.texi: Likewise.
9913
9914 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
9915
9916         PR middle-end/35196
9917         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
9918         in entry_bb.
9919         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
9920         rather than in entry_bb.
9921
9922 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
9923
9924         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
9925         libgcc_cmp_return mode.
9926
9927 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
9928
9929         PR middle-end/35130
9930         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
9931         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
9932
9933 2008-02-15  Richard Guenther  <rguenther@suse.de>
9934             Zdenek Dvorak  <ook@ucw.cz>
9935
9936         PR tree-optimization/35164
9937         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
9938         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
9939         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
9940         Only propagate addresses which do not have abnormal SSA_NAMEs
9941         in their operands.
9942
9943 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
9944
9945         PR target/35088
9946         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
9947
9948 2008-02-15  Jan Hubicka  <jh@suse.cz>
9949
9950         PR middle-end/35149
9951         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
9952
9953 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
9954
9955         PR middle-end/34621
9956         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
9957         when calculating alignment_pad.
9958
9959 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
9960
9961         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
9962         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
9963         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
9964         and STACK_BOUNDARY define.
9965
9966 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
9967
9968         PR preprocessor/35061
9969         * c-pragma.c (handle_pragma_pop_macro): Check that
9970         pushed_macro_table has been allocated.
9971
9972 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
9973
9974         PR middle-end/35136
9975         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
9976         (force_gimple_operand): Likewise.
9977         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
9978         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
9979         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
9980         (find_interesting_uses_address): Check addressability and alignment
9981         of the base expression only after substituting bases of IVs into it.
9982
9983 2008-02-14  Michael Matz  <matz@suse.de>
9984
9985         PR target/34930
9986         * function.c (instantiate_virtual_regs_in_insn): Reload address
9987         before falling back to reloading the whole operand.
9988
9989 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
9990
9991         * config/s390/s390.c (s390_mainpool_start): Emit the pool
9992         before the first section switch note.
9993
9994 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9995
9996         * doc/bugreport.texi: Update copyright years.
9997         * doc/c-tree.texi: Likewise.
9998         * doc/cfg.texi: Likewise.
9999         * doc/cpp.texi: Likewise.
10000         * doc/cppinternals.texi: Likewise.
10001         * doc/fragments.texi: Likewise.
10002         * doc/frontends.texi: Likewise.
10003         * doc/gcc.texi: Likewise.
10004         * doc/gty.texi: Likewise.
10005         * doc/hostconfig.texi: Likewise.
10006         * doc/implement-c.texi: Likewise.
10007         * doc/libgcc.texi: Likewise.
10008         * doc/loop.texi: Likewise.
10009         * doc/makefile.texi: Likewise.
10010         * doc/options.texi: Likewise.
10011         * doc/passes.texi: Likewise.
10012         * doc/rtl.texi: Likewise.
10013         * doc/sourcebuild.texi: Likewise.
10014         * doc/standards.texi: Likewise.
10015         * doc/tree-ssa.texi: Likewise.
10016         * doc/trouble.texi: Likewise.
10017
10018         * doc/extend.texi: Use @: or add comma where appropriate.
10019         * doc/invoke.texi: Likewise.
10020         * doc/tm.texi: Likewise.
10021
10022 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
10023
10024         PR target/34393
10025         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
10026         to a reg.
10027
10028 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
10029
10030         * doc/md.texi (clz, ctz): Add reference.
10031         * doc/rtl.texi (clz, ctz): Likewise.
10032
10033 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10034
10035         PR other/35148
10036         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
10037         srcdir.
10038
10039 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
10040
10041         * config/s390/s390.c (struct constant_pool): New field
10042         emit_pool_after added.
10043         (s390_mainpool_start): Set the emit_pool_after flag according
10044         to the section switch notes.
10045         (s390_mainpool_finish): Consider emit_pool_after when emitting
10046         the literal pool at the end of the function.
10047         (s390_chunkify_start): Force literal pool splits at section
10048         switch notes.
10049
10050 2008-02-13  Michael Matz  <matz@suse.de>
10051
10052         PR debug/35065
10053         * var-tracking.c (clobber_variable_part): Correctly traverse the
10054         list.
10055
10056 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10057
10058         PR 29673
10059         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
10060         Add -fdump-ipa-inline.
10061         * tree-dump.c (dump_files): Remove tree-inlined dump.
10062         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
10063
10064 2008-02-12  Richard Guenther  <rguenther@suse.de>
10065
10066         PR tree-optimization/35171
10067         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
10068         default defs.
10069
10070 2008-02-12  Richard Guenther  <rguenther@suse.de>
10071
10072         PR middle-end/35163
10073         * fold-const.c (fold_widened_comparison): Use get_unwidened in
10074         value-preserving mode.  Disallow final truncation.
10075
10076 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10077
10078         PR middle-end/35136
10079         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
10080         code from here to...
10081         (force_gimple_operand): ...here.
10082
10083 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
10084
10085         PR c++/35144
10086         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
10087         non-compatible pointers.
10088         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
10089         different FIELD_DECLs, try harder by comparing field offsets, sizes
10090         and types.
10091
10092         PR inline-asm/35160
10093         * function.c (match_asm_constraints_1): Don't replace the same input
10094         multiple times.
10095
10096 2008-02-12  Anatoly Sokolov <aesok@post.ru>
10097
10098         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
10099         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
10100         (expand_epilogue): Restore RAMPZ register.
10101         * config/avr/avr.md (RAMPZ_ADDR): New constant.
10102
10103 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
10104
10105         * config/i386/cygwin.asm: (__alloca): Correct calling
10106         convention and alignment.
10107         (__chkstk): Force 8 byte stack alignment.
10108
10109 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
10110             Richard Guenther  <rguenther@suse.de>
10111
10112         PR tree-optimization/33992
10113         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
10114         the zero we compare against.
10115
10116 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
10117
10118         PR libfortran/35063
10119         * gthr-win32.h (__gthread_mutex_destroy_function): New function
10120         to CloseHandle after unlocking to prevent accumulation of handle
10121         count.
10122
10123 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10124
10125         PR middle_end/34150
10126         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
10127         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
10128         and update LABEL_NUSES during and after reload.
10129
10130 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
10131
10132         PR middle-end/34627
10133         * combine.c (simplify_if_then_else): Make sure the comparison is
10134         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
10135
10136 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
10137
10138         PR bootstrap/35051
10139         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
10140         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
10141         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
10142         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
10143         * tree.h (get_type_static_bounds): Likewise.
10144
10145 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10146
10147         * doc/invoke.texi (Option Summary, C++ Dialect Options)
10148         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10149         Make -Wfoo language annotations match what the compiler outputs.
10150
10151 2008-02-08  Sa Liu  <saliu@de.ibm.com>
10152
10153         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
10154         intrinsics spu_convts, spu_convtu, spu_convtf.
10155
10156 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
10157
10158         * doc/extend.texi (Function Attributes) <noinline>: Mention
10159         asm ("") as method to keep calls.
10160
10161 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10162
10163         PR other/32754
10164         * doc/options.texi (Options): Replace references to opts.sh with
10165         optc-gen.awk.
10166         * opts-common.c: Likewise.
10167         * optc-gen.awk: Likewise.
10168
10169 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
10170
10171         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
10172
10173 2008-02-07  Richard Henderson  <rth@redhat.com>
10174
10175         PR rtl-opt/33410
10176         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
10177         EXPR_LIST for the REG_EQUAL instead of a comparison with a
10178         funny mode.
10179
10180 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
10181
10182         PR tree-optimization/35085
10183         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
10184         for operand entry oe2 in addition to operand entry oe3 in order to
10185         expose more opportunities for vectorizer sum reduction.
10186
10187 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10188
10189         PR other/35107
10190         * Makefile.in (LIBS): Remove $(GMPLIBS).
10191         (cc1-dummy, cc1): Add $(GMPLIBS).
10192
10193 2008-02-06  Jan Hubicka  <jh@suse.cz>
10194
10195         PR target/23322
10196         * i386.md (moddf_integer): Do not produce partial memory stalls for
10197         targets where it hurts.
10198
10199 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
10200
10201         PR target/35083
10202         * optabs.c (expand_float): Do not check for decimal modes when
10203         expanding unsigned integer through signed conversion.
10204
10205 2008-02-06  Nick Clifton  <nickc@redhat.com>
10206
10207         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
10208         inside the clobber with a match_operand and duplicated operand
10209         number in the constraint.
10210         (ineqbranchsi): Delete redundant comment.
10211
10212 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
10213
10214         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
10215         builtin_define ("__USE_INIT_FINI__").
10216         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
10217         -msx multilibs.
10218         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
10219
10220 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10221
10222         PR documentation/30330
10223         * doc/invoke.texi (C++ Dialect Options)
10224         (Objective-C and Objective-C++ Dialect Options, Warning Options):
10225         For each warning option -Wfoo that allows -Wno-foo, ensure both
10226         -Wfoo and -Wno-foo are listed in the option index.  Fix index
10227         entry of -Wswitch-default, index -Wnormalized= including the
10228         `=', and -Wlarger-than-@var{len} including @var{len}.
10229
10230 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10231
10232         * config/i386/i386.md (floatunssisf2): Use
10233         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
10234         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
10235         Macroize expander using MODEF mode iterator.
10236
10237 2008-02-05  Diego Novillo  <dnovillo@google.com>
10238
10239         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
10240
10241         PR 33738
10242         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
10243
10244 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10245
10246         PR other/35070
10247         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
10248
10249 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
10250
10251         PR target/35084
10252         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
10253         to indicate if a message should be generated.
10254         (init_cumulative_args): Updated.
10255         (function_value_32): Likewise.
10256
10257 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
10258
10259         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
10260
10261 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
10262
10263         PR target/35083
10264         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
10265         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
10266
10267 2008-02-04  Diego Novillo  <dnovillo@google.com>
10268
10269         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
10270
10271         PR 33738
10272         * tree-vrp.c (vrp_evaluate_conditional): With
10273         -Wtype-limits, emit a warning when comparing against a
10274         constant outside the natural range of OP0's type.
10275
10276 2008-02-04  Richard Guenther  <rguenther@suse.de>
10277
10278         PR middle-end/33631
10279         * expr.c (count_type_elements): Give for unions instead of
10280         guessing.
10281
10282 2008-02-04  Richard Guenther  <rguenther@suse.de>
10283
10284         PR middle-end/35043
10285         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
10286         to TYPE_DOMAINs base type instead of using bitsizetype here.
10287
10288 2008-02-03  Jason Merrill  <jason@redhat.com>
10289
10290         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
10291
10292 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10293
10294         PR other/29972
10295         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
10296         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
10297         (RS/6000 and PowerPC Options): Fix typos and markup.
10298         * doc/passes.texi (Tree-SSA passes): Likewise.
10299
10300 2008-02-02  Michael Matz  <matz@suse.de>
10301
10302         PR target/35045
10303         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
10304         from record_last_reg_set_info.
10305         (record_last_reg_set_info): Take an RTX argument, iterate over all
10306         constituent hardregs.
10307         (record_last_set_info, record_opr_changes): Change calls to
10308         new signature or to record_last_reg_set_info_regno.
10309
10310 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
10311
10312         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
10313
10314 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
10315
10316         PR rtl-optimization/34773
10317         * reg-notes.def (EQUAL): Mention significance of combination of
10318         REG_EQUAL and REG_RETVAL.
10319         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
10320         insn that has a REG_RETVAL.
10321
10322 2008-02-01  Roger Sayle  <roger@eyesopen.com>
10323
10324         PR bootstrap/33781
10325         * configure.ac (--enable-fixed-point): Disable unless explicitly
10326         requested on IRIX.
10327         * configure: Regenerate.
10328
10329 2008-02-01  Richard Guenther  <rguenther@suse.de>
10330
10331         PR other/35042
10332         * invoke.texi (-finline-limit): Remove no longer true parts
10333         of the documentation.  Note that there is no default value.
10334
10335 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
10336             Mark Mitchell  <mark@codesourcery.com>
10337             Ben Elliston  <bje@au.ibm.com>
10338
10339         PR c/29326
10340         * doc/extend.texi (Other Builtins): Document.
10341
10342 2008-01-31  Tom Browder <tom.browder@gmail.com>
10343
10344         * doc/c-tree.texi (Types): Fix grammar.
10345         (Expression trees): Ditto.
10346         * doc/passes.texi (Tree-SSA passes): Ditto.
10347
10348         * doc/configterms.texi (Configure Terms): Fix typo.
10349         * doc/cpp.texi (Common Predefined Macros): Ditto.
10350         * doc/md.texi (Machine Constraints): Ditto.
10351
10352         * doc/makefile.texi (Makefile): Add comma.
10353
10354 2008-01-31  Tom Browder  <tom.browder@gmail.com>
10355             Gerald Pfeifer  <gerald@pfeifer.com>
10356
10357         * doc/sourcebuild.texi (Front End): Remove references to CVS
10358         and CVSROOT/modules.
10359         (Texinfo Manuals): Replace reference to CVS by one to SVN.
10360         (Back End): Remove reference to CVS.
10361
10362 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
10363
10364         PR target/34900
10365         * config/mips/mips.c (gen_load_const_gp): New function, taking a
10366         comment from...
10367         (mips16_gp_pseudo_reg): ...here.
10368         * config/mips/mips.md (load_const_gp): Replace with...
10369         (load_const_gp_<mode>): ...this :P-based insn.
10370
10371 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10372
10373         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
10374         options. Minor fixes.
10375         (-std): Move reference to standards closer to where language
10376         standards are first mentioned.
10377
10378 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
10379
10380         PR rtl-optimization/34995
10381         * reload.c (alternative_allows_const_pool_ref): Take an rtx
10382         parameter and return a bool.  If the rtx parameter is nonnull,
10383         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
10384         (find_reloads): Update call accordingly.  Pass the new operand
10385         if it needed no address reloads, otherwise pass null.
10386
10387 2008-01-30  Richard Henderson  <rth@redhat.com>
10388
10389         PR c/34993
10390         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
10391         for unbounded arrays.
10392
10393 2008-01-30  Silvius Rus  <rus@google.com>
10394
10395         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
10396
10397 2008-01-30  Jan Hubicka  <jh@suse.cz>
10398
10399         PR target/34982
10400         * i386.c (init_cumulative_args): Use real function declaration when
10401         calling locally.
10402
10403 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
10404
10405         PR rtl-optimization/34998
10406         * global.c (build_insn_chain): Treat non-subreg_lowpart
10407         SUBREGs of pseudos as clobbering all the words covered by the
10408         SUBREG, not just all the bytes.
10409         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
10410         original df_ref rather than an extract parameter.
10411         (global_conflicts): Update call accordingly.
10412
10413 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
10414
10415         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
10416         the overflow check to make it easier to read.
10417         (__fixtfdi): Change the type of the ll member in union
10418         long_double to UDItype_x.
10419
10420 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
10421
10422         PR middle-end/34969
10423         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
10424         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
10425         * tree-inline.c (fold_marked_statements): Call
10426         cgraph_update_edges_for_call_stmt if folding a call statement.
10427         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
10428         debug_generic_stmt calls, reset it back afterwards.
10429
10430         PR c/35017
10431         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
10432         static decls.
10433         * c-typeck.c (build_external_ref): Don't pedwarn about
10434         static vars in current function's scope.
10435
10436 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
10437
10438         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
10439
10440 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
10441
10442         PR c/35002
10443         * ipa-struct-reorg.c: Fix spelling.
10444         * params.def: Ditto.
10445
10446 2008-01-29  Richard Guenther  <rguenther@suse.de>
10447
10448         PR middle-end/35006
10449         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
10450         field.
10451         * tree-inline.c (remap_type): Increment remapping_type_depth
10452         around remapping types.
10453         (copy_body_r): Only add referenced variables if they are referenced
10454         from code, not types.
10455
10456 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
10457
10458         PR c++/34055
10459         PR c++/34103
10460         PR c++/34219
10461         PR c++/34606
10462         PR c++/34753
10463         PR c++/34754
10464         PR c++/34755
10465         PR c++/34919
10466         PR c++/34961
10467         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
10468         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
10469
10470 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
10471
10472         PR target/34412
10473         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
10474         pointer for tiny stack.
10475
10476 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
10477
10478         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
10479
10480 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
10481
10482         * config/vx-common.h: Fix typo in comment.
10483
10484 2008-01-28  Ian Lance Taylor  <iant@google.com>
10485
10486         PR c++/34862
10487         PR c++/33407
10488         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
10489         coalesce pointers if they have different DECL_NO_TBAA_P values.
10490         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
10491         between variables with different DECL_NO_TBAA_P values.
10492
10493 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
10494
10495         PR 31535
10496         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
10497         are not legitimate small data references on SPE targets.
10498
10499 2008-01-28  David Daney  <ddaney@avtrex.com>
10500
10501         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
10502
10503 2008-01-28  David Daney  <ddaney@avtrex.com>
10504
10505         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
10506
10507 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
10508
10509         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
10510         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
10511         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
10512         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
10513         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
10514         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
10515         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
10516         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
10517
10518 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10519
10520         * basic-block.h (condjump_equiv_p): Fix comment.
10521
10522 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10523
10524         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
10525         print_generic_stmt_indented): Fix comment.
10526
10527 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
10528
10529         * configure.ac (__stack_chk_fail): Add detecion for availability
10530         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
10531         * configure: Regenerate.
10532
10533 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
10534
10535         PR middle-end/34688
10536         * final.c (output_addr_const): Handle TRUNCATE.
10537
10538 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
10539
10540         PR target/34711
10541         * tree-ssa-loop-ivopts.c (comp_cost): New type.
10542         (zero_cost, infinite_cost): New constants.
10543         (struct cost_pair): Change type of cost to comp_cost.
10544         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
10545         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
10546         New functions.
10547         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
10548         split_address_cost, ptr_difference_cost, difference_cost,
10549         get_computation_cost_at, get_computation_cost,
10550         determine_use_iv_cost_generic, determine_use_iv_cost_address,
10551         determine_use_iv_cost_condition, determine_use_iv_costs,
10552         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
10553         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
10554         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
10555         Change type of cost to comp_cost.
10556         (determine_iv_cost): Increase cost of non-original ivs, instead
10557         of decreasing the cost of original ones.
10558         (get_address_cost): Indicate the complexity of the addressing mode
10559         in comp_cost.
10560         (try_add_cand_for): Prefer using ivs not specific to some object.
10561         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
10562
10563 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
10564             Janis Johnson  <janis187@us.ibm.com>
10565
10566         PR target/34814
10567         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
10568         (TARGET_INSTANTIATE_DECLS): Likewise.
10569         * target.h (expand_to_rtl_hook): New target hook.
10570         (instantiate_decls): Likewise.
10571         * function.c (instantiate_decl): Make non-static.  Rename to...
10572         (instantiate_decl_rtl): ... this.
10573         (instantiate_expr): Use instantiate_decl_rtl.
10574         (instantiate_decls_1): Likewise.
10575         (instantiate_decls): Likewise.
10576         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
10577         * function.h (instantiate_decl_rtl): Add prototype.
10578         * cfgexpand.c (target.h): New include.
10579         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
10580         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
10581         (TARGET_INSTANTIATE_DECLS): Likewise.
10582         (TARGET_INITIALIZER): New target hooks added.
10583         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
10584         New prototype.
10585         * config/rs6000/rs6000.c (tree-flow.h): New include.
10586         (machine_function): Add sdmode_stack_slot field.
10587         (rs6000_alloc_sdmode_stack_slot): New function.
10588         (rs6000_instantiate_decls): Likewise.
10589         (rs6000_secondary_memory_needed_rtx): Likewise.
10590         (rs6000_check_sdmode): Likewise.
10591         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
10592         (TARGET_INSTANTIATE_DECLS): Likewise.
10593         (rs6000_hard_regno_mode_ok): Allow SDmode.
10594         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
10595         (rs6000_emit_move): Handle SDmode.
10596         (function_arg_advance): Likewise.
10597         (function_arg): Likewise.
10598         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
10599         SDmode var args for 32-bit compiles.
10600         (rs6000_secondary_reload_class): Handle SDmode.
10601         (rs6000_output_function_epilogue): Likewise.
10602         (rs6000_function_value): Simplify if statement.
10603         (rs6000_libcall_value): Likewise.
10604         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
10605         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
10606         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
10607         (movsd_hardfloat): New define_insn.
10608         (movsd_softfloat): Likewise.
10609         (movsd_store): Likewise.
10610         (movsd_load): Likewise.
10611         (extendsddd2): Likewise.
10612         (extendsdtd2): Likewise.
10613         (truncddsd2): Likewise.
10614         (movdd_hardfloat64): Fixup comment.
10615         (UNSPEC_MOVSD_LOAD): New constant.
10616         (UNSPEC_MOVSD_STORE): Likewise.
10617
10618 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
10619
10620         PR c++/34965
10621         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
10622         TRUTH_XOR_EXPR.
10623         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
10624         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
10625         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
10626         and TRUTH_XOR_EXPR.
10627
10628 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
10629
10630         PR target/34794
10631         * config.gcc: Separate AIX 5.3 from AIX 6.1.
10632         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10633         __LONGDOUBLE128 too.
10634         * config/rs6000/aix61.h: New file.
10635
10636 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
10637
10638         PR rtl-optimization/34959
10639         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
10640         popcount and parity rtxes the same mode as their operand.
10641         Truncate or extend the result to the return value's mode
10642         if necessary.
10643
10644 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
10645
10646         PR target/34981
10647         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
10648         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
10649         to GOT_VERSION_REGNUM.
10650         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
10651         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
10652         * config/mips/mips.c (mips_emit_call_insn): New function.
10653         (mips_call_tls_get_addr): Call mips_expand_call directly.
10654         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
10655         emit_call_insn.
10656         (mips16_build_call_stub): Likewise.  Return the call insn or null.
10657         (mips_expand_call): Update the call to mips16_build_call_stub
10658         accordingly and a remove redundant condition.  Assert that MIPS16
10659         stubs do not use lazy binding.  Use mips_emit_call_insn and return
10660         the call insn.
10661         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
10662         TARGET_USE_GOT.
10663         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
10664         (mips_avoid_hazard): Remove hazard_set handling.
10665         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
10666         (UNSPEC_RESTORE_GP): ...this.
10667         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
10668         (FAKE_CALL_REGNO): Rename to...
10669         (GOT_VERSION_REGNUM): ...this.
10670         (type): Add "ghost" value.  Add an associated insn reservation.
10671         (hazard_set): Remove.
10672         (exception_receiver): Rename to...
10673         (restore_gp): ...this and update the unspec identifier accordingly.
10674         (exception_receiver, nonlocal_got_receiver): New expanders.
10675         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
10676         FAKE_CALL_REGNO.  Remove hazard_set attribute.
10677         (set_got_version, update_got_version): New patterns.
10678
10679 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
10680
10681         PR target/34970
10682         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
10683
10684 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
10685
10686         PR other/31955
10687         * doc/install.texi2html: Generate gcc-vers.texi.
10688
10689 2008-01-25  DJ Delorie  <dj@redhat.com>
10690
10691         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
10692
10693 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
10694
10695         * config/c4x: Remove directory.
10696         * config.gcc (crx-*, mt-*): Mark obsolete.
10697         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
10698         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
10699         sh-*-rtemscoff*): Remove cases.
10700         * defaults.h (C4X_FLOAT_FORMAT): Remove.
10701         * real.c (encode_c4x_single, decode_c4x_single,
10702         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
10703         c4x_extended_format): Remove.
10704         * real.h (c4x_single_format, c4x_extended_format): Remove.
10705         * doc/extend.texi (interrupt, naked): Remove mention of attributes
10706         on C4x.
10707         (Pragmas): Remove comment about c4x pragmas.
10708         * doc/install.texi (c4x): Remove target-specific instructions.
10709         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
10710         * doc/md.texi (Machine Constraints): Remove C4x documentation.
10711         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
10712         refer to C4x source files as examples.
10713         (C4X_FLOAT_FORMAT): Remove documentation.
10714
10715 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
10716
10717         * config/bfin/bfin.c (override_options): Reorder tests so that
10718         flag_pic gets enabled for -msep-data.
10719
10720 2008-01-25  Richard Guenther  <rguenther@suse.de>
10721
10722         PR middle-end/32244
10723         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
10724         to its bitfield precision if required.
10725
10726 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
10727
10728         PR middle-end/33880
10729         * tree-nested.c (walk_omp_for): New function.
10730         (convert_nonlocal_reference, convert_local_reference): Call
10731         walk_omp_for on OMP_FOR.
10732         (convert_call_expr): Call walk_body on OMP_FOR's
10733         OMP_FOR_PRE_INIT_BODY.
10734
10735 2008-01-25  Richard Guenther  <rguenther@suse.de>
10736
10737         PR tree-optimization/34966
10738         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
10739         default defs and PHI_NODEs we have to insert after the
10740         defining statement.
10741
10742 2008-01-24  Nick Clifton  <nickc@redhat.com>
10743
10744         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
10745         Provide a default definition.
10746         (LIBGCC2_UNITS_PER_WORD): Likewise.
10747
10748         * config/stormy16/stormy16.c: Include df.h for the prototype
10749         for df_regs_ever_live_p.
10750         (xstormy16_expand_builtin_va_start): Convert the stack offset
10751         into a component_ref and then use POINTER_PLUS_EXPR to add it
10752         to the incoming_virtual_args_rtx.
10753         (xstormy16_gimplify_va_arg_expr): Rename to
10754         xstormy16_gimplify_va_arg_expr.
10755         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
10756         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
10757         xstormy16_gimplify_va_arg_expr.
10758         Fix up some formatting issues.
10759
10760         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
10761         Move to predicates.md.
10762         (xs_hi_general_operand): Likewise.
10763         (xs_hi_nonmemory_operand): Likewise.
10764         * config/stormy16/predicates.md:
10765         (xstormy16_carry_plus_operand): New predicate.
10766         (xs_hi_general_operand): New predicate.
10767         (xs_hi_nonmemory_operand): New predicate.
10768         * config/stormy16/stormy16-protos.h:
10769         (xstormy16_carry_plus_operand): Delete prototype.
10770         (xs_hi_general_operand): Likewise.
10771         (xs_hi_nonmemory_operand): Likewise.
10772
10773         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
10774         modifiers as they are no longer needed and they can trigger
10775         reload spill failures.
10776
10777         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
10778         with a match_operand in order to help reload.
10779
10780         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
10781         constraint with 'e' for the 8th alternative as this version of
10782         the mov.w instruction only accepts the lower 8 registers.
10783
10784 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
10785
10786         PR target/34856
10787         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
10788         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
10789         vector elements.
10790
10791 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
10792
10793         PR middle-end/33333
10794         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
10795
10796 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
10797
10798         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
10799         New functions.
10800         (remove_structure): Update allocations list before removing structure.
10801
10802 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
10803
10804         * ipa-struct-reorg.c (is_safe_cond_expr,
10805         create_new_stmts_for_cond_expr): Use integer_zerop function,
10806         that recognize not only zero-pointer, but zero-integer too.
10807
10808 2008-01-25  Ben Elliston  <bje@au.ibm.com>
10809
10810         PR other/22232
10811         * fixproto: Escape "." in sed expression that strips leading "./".
10812
10813 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10814
10815         PR driver/34904
10816         * gcc.c (SWITCH_OK): Removed.
10817         (SWITCH_LIVE): Changed to bit.
10818         (SWITCH_FALSE): Likewise.
10819         (SWITCH_IGNORE): Likewise.
10820         (switchstr): Change live_cond to unsigned int.
10821         (process_command): Replace SWITCH_OK with 0.
10822         (do_self_spec): Likewise.
10823         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
10824         (give_switch): Likewise.
10825         (used_arg): Likewise.
10826         (do_spec_1): Set the SWITCH_IGNORE bit.
10827         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
10828         bits.  Set the SWITCH_LIVE bit.
10829
10830 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10831
10832         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
10833
10834 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
10835
10836         PR tree-optimization/34472
10837         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
10838         parameter to a "bool *" and set *DATA to false if there is
10839         an unsafe access.  Do not delete the structure here.
10840         (check_cond_exprs): Delete it here instead.
10841         (check_cond_exprs, exclude_cold_structs): Do not increase
10842         I when removing a structure.
10843
10844 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
10845
10846         PR target/34856
10847         * config/i386/i386.c (ix86_expand_vector_init): Consider only
10848         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
10849
10850 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
10851
10852         PR middle-end/34934
10853         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
10854         a fixed vector for stack.
10855
10856 2008-01-24  Ben Elliston  <bje@au.ibm.com>
10857
10858         PR c++/25701
10859         * doc/gcc.texi (Software development): Add a direntry for g++.
10860
10861 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
10862
10863         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
10864         stale and straggling -fforce-addr comments above.
10865
10866         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
10867         define.
10868         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
10869         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
10870
10871 2008-01-23  Michael Matz  <matz@suse.de>
10872
10873         PR debug/34895
10874         * dwarf2out.c (force_type_die): Use modified_type_die instead of
10875         gen_type_die.
10876
10877 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
10878
10879         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
10880         malloc result type.
10881
10882 2008-01-23 Anatoly Sokolov <aesok@post.ru>
10883
10884         * config/avr/avr.c (avr_current_arch): New variable.
10885         (avr_arch_types): Add 'avr31' and 'avr51' entries.
10886         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
10887         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
10888         (avr_override_options): Init 'avr_current_arch'.
10889         (base_arch_s): Move from here...
10890         * config/avr/avr.h (base_arch_s): ... here. Add new members
10891         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
10892         'mega' to 'have_jmp_call'.
10893         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
10894         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
10895         macros.
10896         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
10897         architectures.
10898         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10899         MULTILIB_MATCHES): (Ditto.).
10900
10901 2008-01-23  Richard Guenther  <rguenther@suse.de>
10902
10903         PR middle-end/31529
10904         * cgraphunit.c (cgraph_reset_node): Always mark the node
10905         not reachable if it is not queued already.
10906
10907 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
10908
10909         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
10910         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
10911         (cputype_selected): New static variable.
10912         (bfin_handle_option): Set it if -mcpu is used.
10913         (override_option): Select default set of workarounds if no cpu type
10914         selected on the command line.
10915         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
10916
10917         From  Michael Frysinger  <michael.frysinger@analog.com>
10918         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
10919         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
10920
10921         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
10922         for bf547, bf523, bf524, and bf526.
10923         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
10924         bf526.
10925         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10926         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
10927         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
10928         __ADSPBF547__ and __ADSPBF54x__ for bf547.
10929         * doc/invoke.texi (Blackfin Options): Document that
10930         -mcpu now accept bf547, bf523, bf524, and bf526.
10931
10932 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
10933
10934         PR rtl-optimization/34628
10935         * combine.c (try_combine): Stop and undo after the first combination
10936         if an autoincrement side-effect on the first insn has effectively
10937         been lost.
10938
10939 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
10940
10941         PR target/34529
10942         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
10943         Offset addresses are not valid for Altivec or paired float modes.
10944
10945 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
10946
10947         PR c++/34607
10948         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
10949         if DECL_INITIAL (decl) is error_mark_node.
10950
10951         PR c++/34914
10952         * c-common.c (handle_vector_size_attribute): Only allow
10953         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
10954         the same way as pointer, array etc. types.
10955         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
10956
10957         PR c++/34917
10958         * tree.c (build_type_attribute_qual_variant): Call
10959         build_qualified_type if attributes are equal, but quals are not.
10960
10961 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10962
10963         PR 32102
10964         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
10965         * flags.h (warn_strict_aliasing): Remove.
10966         (warn_strict_overflow): Remove.
10967         * opts.c (warn_strict_aliasing): Remove.
10968         (warn_strict_overflow): Remove.
10969         * c-opts.c (c_common_handle_option): -Wall only sets
10970         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
10971         (c_common_post_options): Give default values to -Wstrict-aliasing
10972         and -Wstrict-overflow if they are uninitialized.
10973         * common.opt (Wstrict-aliasing): Specify Var and Init.
10974         (Wstrict-overflow): Likewise.
10975
10976 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
10977
10978         PR rtl-optimization/26854
10979         PR rtl-optimization/34400
10980         PR rtl-optimization/34884
10981         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
10982         DF_RD->gen.
10983         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
10984         (df_rd_bb_info.expanded_lr_out): Deleted
10985         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
10986         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
10987         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
10988         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
10989         Removed code to allocate, initialize or free expanded_lr_out.
10990         (df_rd_bb_local_compute_process_def): Restructured to make more
10991         understandable.
10992         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
10993         sets if the sets are being trimmed.
10994
10995 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10996
10997         PR bootstrap/32287
10998         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
10999         (as_vers): Likewise.
11000         * configure: Regenerated.
11001
11002 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11003
11004         PR middle-end/33092
11005         * tree-pass.h (pass_build_alias): New pass.
11006         * tree-ssa-alias.c (gate_build_alias): New.
11007         (pass_build_alias): New.
11008         * passes.c (init_optimization_passes): Add pass_build_alias after
11009         pass_create_structure_vars.
11010
11011 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
11012
11013         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
11014         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
11015         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
11016         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
11017         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
11018         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
11019         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
11020         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
11021         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
11022         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
11023         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
11024         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
11025         * config/s390/s390.md (FP_ALL): New mode iterator.
11026         (_d): New mode attribute.
11027         ("*signbit<mode>2>"): Changed mode of first operand.
11028         ("isinf<mode>2"): Changed mode of first operand.
11029         ("*TDC_insn"): Adaptation for DFP modes.
11030
11031 2008-01-22  Ben Elliston  <bje@au.ibm.com>
11032
11033         * tree.c (check_qualified_type): Improve function description.
11034
11035 2008-01-21  Jason Merrill  <jason@redhat.com>
11036
11037         PR c++/34196
11038         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
11039         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
11040         if it is set.
11041
11042 2008-01-21  DJ Delorie  <dj@redhat.com>
11043
11044         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
11045         return zero.
11046
11047 2008-01-21  Richard Guenther  <rguenther@suse.de>
11048
11049         PR middle-end/34856
11050         * tree-cfg.c (verify_expr): Allow all invariant expressions
11051         instead of just constant class ones as reference argument.
11052         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
11053         like any other constant.
11054         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
11055
11056 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
11057
11058         * regmove.c (fixup_match_1): Update call crossed frequencies.
11059
11060 2008-01-21  Richard Guenther  <rguenther@suse.de>
11061
11062         PR c/34885
11063         * tree-inline.c (setup_one_parameter): Deal with mismatched
11064         types using a VIEW_CONVERT_EXPR.
11065
11066 2008-01-21  Alon Dayan  <alond@il.ibm.com>
11067             Olga Golovanevsky  <olga@il.ibm.com>
11068
11069         PR tree-optimization/34701
11070         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
11071         when the structure size is not a power of 2.
11072
11073 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
11074
11075         * doc/install.texi: Add doc for --enable-checking=df.
11076
11077 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11078
11079         PR rtl-optimization/34808
11080         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
11081
11082 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11083
11084         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
11085         input.
11086
11087 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
11088
11089         PR rtl-optimization/26854
11090         PR rtl-optimization/34400
11091         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
11092         DF_RD->gen.
11093         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
11094         (df_rd_bb_info.expanded_lr_out): New.
11095         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
11096         * loop_iv.c (iv_analysis_loop_init): Ditto.
11097         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
11098         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
11099         Added code to allocate, initialize or free expanded_lr_out.
11100         (df_rd_bb_local_compute_process_def): Restructured to make
11101         more understandable.
11102         (df_rd_confluence_n): Add code to do nothing with fake edges and
11103         code to no apply invalidate_by_call sets if the sets are being trimmed.
11104         (df_lr_local_finalize): Renamed to df_lr_finalize.
11105         (df_live_local_finalize): Renamed to df_live_finalize.
11106
11107 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
11108
11109         PR target/34831
11110         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
11111         deciding whether to use reciprocal instructions.
11112
11113 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
11114
11115         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
11116         dwarf2out_note_section_used if cold_text_section is NULL.
11117
11118 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
11119
11120         PR gcov-profile/34610
11121         * tree-cfg.c (make_edges): Mark both outgoing edges from
11122         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
11123         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
11124         from OMP_FOR and OMP_CONTINUE outgoing edges.
11125
11126         * tree-profile.c (tree_profiling): Return early if
11127         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
11128         at the end.
11129         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
11130         from cfun to child_cfun.
11131         * function.h (struct function): Add after_tree_profile bit.
11132
11133 2008-01-19 Anatoly Sokolov <aesok@post.ru>
11134
11135         * config/avr/avr.S (_exit): Disable interrupt.
11136
11137 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
11138             Steven Bosscher  <stevenb.gcc@gmail.com>
11139
11140         PR rtl-optimization/26854
11141         PR rtl-optimization/34400
11142         * df-problems.c (df_live_scratch): New scratch bitmap.
11143         (df_live_alloc): Allocate df_live_scratch when doing df_live.
11144         (df_live_reset): Clear the proper bitmaps.
11145         (df_live_bb_local_compute): Only process the artificial defs once
11146         since the order is not important.
11147         (df_live_init): Init the df_live sets only with the variables
11148         found live by df_lr.
11149         (df_live_transfer_function): Use the df_lr sets to prune the
11150         df_live sets as they are being computed.
11151         (df_live_free): Free df_live_scratch.
11152
11153 2008-01-18  Ian Lance Taylor  <iant@google.com>
11154
11155         * common.opt: Add fmerge-debug-strings.
11156         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
11157         flag_merge_debug_strings rather than flag_merge_constants.
11158         * doc/invoke.texi (Option Summary): Mention
11159         -fmerge-debug-strings.
11160         (Debugging Options): Document -fmerge-debug-strings.
11161
11162 2008-01-18  Ian Lance Taylor  <iant@google.com>
11163
11164         PR c++/33407
11165         * tree.h (DECL_IS_OPERATOR_NEW): Define.
11166         (struct tree_function_decl): Add new field operator_new_flag.
11167         * tree-inline.c (expand_call_inline): When inlining a call to
11168         operator new, force the return value to go into a variable, and
11169         set DECL_NO_TBAA_P on that variable.
11170         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
11171
11172 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
11173
11174         PR debug/34484
11175         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
11176         DWARF2_DEBUGGING_INFO.
11177         (dwarf2out_note_section_used): Ditto.  Add prototype.
11178         (have_multiple_function_sections, text_section_used,
11179         cold_text_section_used, *cold_text_sections): Move declarations
11180         before their uses.
11181
11182 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
11183
11184         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
11185         field and add signal_ra.
11186         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
11187         assignments to frame state pc.  Move end of stack check after
11188         MD_FALLBACK_FRAME_STATE_FOR.
11189         (uw_update_context_1): Use frame state signal_regs if set, instead
11190         of checking signal_frame flag.
11191         (uw_update_context): Use frame state signal_ra if set.
11192         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
11193         * config/xtensa/linux-unwind.h: New file.
11194
11195 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
11196
11197         * modulo-sched.c (get_sched_window): Fix comment typo.
11198
11199 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
11200
11201         PR tree-optimization/34648
11202         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
11203
11204 2008-01-17  Anatoly Sokolov <aesok@post.ru>
11205
11206         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
11207         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
11208
11209 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
11210
11211         PR rtl-optimization/34400
11212         * df-core.c (df_worklist_dataflow_overeager,
11213         df_worklist_dataflow_doublequeue): New functions.
11214         (df_worklist_dataflow): Two different worklist solvers.
11215         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
11216         New param.
11217
11218 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11219
11220         PR testsuite/34821
11221         * doc/invoke.texi: Document the dependence on pthread for fopenmp
11222         and ftree-parallelize-loops.
11223
11224 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
11225
11226         PR rtl-optimization/34826
11227         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
11228
11229 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11230
11231         * global.c (find_reg): Mark the eh regs as used if necessary.
11232         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
11233         * ra.h (struct allocno): no_eh_reg field added.  Changed
11234         no_stack_reg type to bitfield.
11235
11236 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
11237
11238         * tree.c (substitute_in_expr): Add missing 'break'.
11239
11240 2008-01-17  Richard Guenther  <rguenther@suse.de>
11241
11242         PR tree-optimization/34825
11243         * tree-ssa-math-opts.c (is_division_by): Do not recognize
11244         x / x as division to handle.
11245
11246 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11247
11248         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
11249         "-pthread" is specified.
11250         * pa-hpux11.h (LIB_SPEC): Likewise.
11251
11252 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
11253             Peter Bergner  <bergner@vnet.ibm.com>
11254
11255         PR rtl-optimization/33796
11256         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
11257
11258 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11259
11260         PR libgfortran/34699
11261         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
11262         static links.
11263         * pa-hpux10.h (LINK_SPEC): Likewise.
11264         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
11265
11266 2008-01-16  Richard Guenther  <rguenther@suse.de>
11267
11268         PR middle-end/32628
11269         * fold-const.c (fold_convert_const_int_from_int): Do not
11270         set overflow if that occured only because of a sign extension
11271         change when converting from/to a sizetype with the same
11272         precision and signedness.
11273
11274 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
11275
11276         PR debug/34249
11277         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
11278         location address to the correct place.  Update copyright year.
11279
11280 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11281
11282         * lambda-code.c (lambda_transform_legal_p): Handle the case of
11283         no dependences in the dependence_relations vector.
11284
11285 2008-01-16  Jan Hubicka  <jh@suse.cz>
11286
11287         PR rtl-optimization/31396
11288         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
11289         * cfg.c (dump_reg_info): Print it.
11290         * regs.h (struct reg_info_t): add freq_calls_crossed.
11291         (REG_FREQ_CALLS_CROSSED): New macro.
11292         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
11293         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
11294         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
11295         regmove_optimize): Update call crossed frequencies.
11296         * local-alloc.c (struct qty): Add freq_calls_crossed.
11297         (alloc_qty): Copute freq_calls_crossed.
11298         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
11299         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
11300         * ra.h (struct allocno): Add freq_calls_crossed.
11301
11302 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11303
11304         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
11305         libgomp when compiling with ftree-parallelize-loops.
11306         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
11307
11308 2008-01-16  Richard Guenther  <rguenther@suse.de>
11309
11310         PR tree-optimization/34769
11311         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
11312         * tree.c (int_cst_value): Instead make this function more
11313         permissive in what it accepts as valid input.  Document this
11314         function always sign-extends the value.
11315
11316 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
11317             Richard Guenther  <rguenther@suse.de>
11318
11319         PR c/34668
11320         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
11321         (gimple_fold_indirect_ref_rhs): ... this.
11322         (gimple_fold_indirect_ref): New function with foldings
11323         that preserve lvalueness.
11324         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
11325         * tree-flow.h (gimple_fold_indirect_ref): Declare.
11326         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
11327         to fold an INDIRECT_REF, fall back to the old use of
11328         fold_indirect_ref_1.
11329
11330 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11331
11332         * tree-data-ref.c (subscript_dependence_tester_1): Call
11333         free_conflict_function.
11334         (compute_self_dependence): Same.
11335
11336 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
11337
11338         PR debug/34249
11339         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
11340         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
11341         function global.
11342         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
11343         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
11344         for DWARF2_UNWIND_INFO targets.
11345
11346 2008-01-16  Richard Guenther  <rguenther@suse.de>
11347
11348         PR c/34768
11349         * c-typeck.c (common_pointer_type): Do not merge inconsistent
11350         type qualifiers for function types.
11351
11352 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
11353
11354         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
11355         loop_iterator li from previous commit.
11356
11357 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11358
11359         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
11360
11361 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
11362
11363         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
11364         (parallelize_loops): Don't parallelize irreducible components.
11365
11366 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11367
11368         PR c++/24924
11369         * c-opts (c_common_post_options): Do not enable CPP
11370         flag_pedantic_errors by default.
11371
11372 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
11373
11374         PR rtl-optimization/31944
11375         * cse.c (remove_pseudo_from_table): New function.
11376         (merge_equiv_classes): Use above function to remove pseudo-registers.
11377         (invalidate): Likewise.
11378
11379 2008-01-13  Richard Guenther  <rguenther@suse.de>
11380
11381         PR middle-end/34601
11382         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
11383         instead of TYPE_MODE to deal with calls from expand_one_error_var.
11384
11385 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
11386
11387         * gcse.c (cprop_jump): Call validate_unshare_change instead of
11388         validate_change to unshare the source of the PC set.
11389
11390 2008-01-12  Jan Hubicka  <jh@suse.cz>
11391
11392         PR middle-end/32135
11393         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
11394         references above array bounds.  This might trigger bounds checks for
11395         pointers to arrays.
11396
11397 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
11398
11399         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
11400         new_replaceable_dependencies.
11401
11402 2008-01-12  Doug Kwan  <dougkwan@google.com>
11403
11404         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
11405         instead of OPT_Wreturn_type in warning due to ignored return type
11406         qualifiers.
11407         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
11408         options included in -Wextra.
11409         * c.opt: New option -Wignored_qualifiers.
11410         * doc/invoke.texi (Warning Options, -Wextra): Add new option
11411         -Wignore_qualifiers.
11412         (-Wignored-qualifiers): Document.
11413         (-Wreturn-type): Remove description of functionality now handled
11414         by -Wignored-qualifiers.
11415
11416 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
11417
11418         PR ada/33788
11419         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
11420         NOP_EXPR if it is between integral types with the same precision.
11421
11422 2008-01-12  Jan Hubicka  <jh@suse.cz>
11423
11424         PR other/28023
11425         * invoke.texi (max-inline-recursive-depth): Fix default value.
11426
11427 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
11428
11429         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
11430         correct type.
11431
11432 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
11433
11434         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
11435
11436 2008-01-11  James E. Wilson  <wilson@specifix.com>
11437
11438         PR target/26015
11439         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
11440
11441 2008-01-11  Anatoly Sokolov <aesok@post.ru>
11442
11443         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
11444         save/restore frame pointer register and don't use 'call-prologues'
11445         optimization in function with "OS_task" attribute.
11446
11447 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
11448
11449         PR middle-end/31309
11450         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
11451         when copying to memory.
11452
11453 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
11454
11455         PR rtl-optimization/30905
11456         * cfgcleanup.c: Include dce.h
11457         (crossjumps_occured): New global variable.
11458         (try_crossjump_bb): Exit loop after finding a fallthru edge.
11459         If something changed, set crossjumps_occured to true.
11460         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
11461         Don't add/remove fake edges to exit here...
11462         (cleanup_cfg): ...but do it here, when crossjumping.
11463         Run a fast DCE when successful crossjumps occured in the latest
11464         iteration of try_optimize_cfg.
11465
11466 2008-01-11  Richard Guenther  <rguenther@suse.de>
11467
11468         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
11469         (struct vn_unary_op_s): Likewise.
11470         (vn_reference_insert): Free old reference on hash collision.
11471
11472 2008-01-10  Raksit Ashok  <raksit@google.com>
11473
11474         PR rtl-optimization/27971
11475         * combine.c (find_split_point): Split PLUS expressions which are
11476         inside a MEM rtx, and whose first operand is complex.
11477
11478 2008-01-10  DJ Delorie  <dj@redhat.com>
11479
11480         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
11481         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
11482         (m32c_hard_regno_ok): Call the underlying function.
11483
11484 2008-01-10  Richard Guenther  <rguenther@suse.de>
11485
11486         PR middle-end/34683
11487         * tree-cfg.c (tree_merge_blocks): Do not go through the
11488         full-blown folding and stmt updating path if we just deal
11489         with virtual operands.
11490         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
11491         test for abnormal SSA_NAMEs.
11492
11493 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
11494
11495         PR middle-end/34641
11496         * reload.c (push_reload): Add assertions.  All constants from
11497         reg_equiv_constant should have been used for replacing the respective
11498         pseudo earlier.
11499         (find_reloads_address): Invoke find_reloads_address_part for
11500         constant taken from the reg_equiv_constant array.
11501
11502 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
11503
11504         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
11505         field (valnum) the first in the struct.  Replace bools with
11506         unit bit fields.
11507
11508 2008-01-10  Richard Guenther  <rguenther@suse.de>
11509
11510         PR tree-optimization/34651
11511         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
11512         types and ordering for masking and converting.
11513
11514 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
11515
11516         PR tree-optimization/34017
11517         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
11518         also for PHI_NODE expressions.
11519
11520 2008-01-09  Jan Hubicka  <jh@suse.cz>
11521
11522         PR tree-optimization/34708
11523         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
11524         based on number of case labels.
11525         (init_inline_once): Remove switch_cost.
11526         * tree-inline.h (eni_weights_d): Remove switch_cost.
11527
11528 2008-01-09  Richard Guenther  <rguenther@suse.de>
11529         Andrew Pinski  <andrew_pinski@playstation.sony.com>
11530
11531         PR middle-end/30132
11532         * gimplify.c (gimplify_cond_expr): Do not create an addressable
11533         temporary if an rvalue is ok or an lvalue is not required.
11534
11535 2008-01-09  Richard Guenther  <rguenther@suse.de>
11536
11537         PR middle-end/34458
11538         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
11539         adjust return type.
11540
11541 2008-01-09  Richard Guenther  <rguenther@suse.de>
11542
11543         PR middle-end/34679
11544         * tree.c (host_integerp): Check for sizetype only if the
11545         type is an integer type.
11546
11547 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
11548
11549         PR debug/26364
11550         * opts.c (decode_options): Disable inlining of functions called
11551         once if not in unit-at-a-time mode.
11552
11553 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
11554
11555         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
11556
11557 2008-01-08  Richard Guenther  <rguenther@suse.de>
11558
11559         PR middle-end/31863
11560         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
11561         out early if the result will be unused.
11562
11563 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
11564
11565         PR target/34709
11566         Revert:
11567
11568         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
11569         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
11570         for TARGET_RECIP.
11571
11572 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
11573
11574         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
11575         for vectorization tuned.
11576
11577 2008-01-08  Richard Guenther  <rguenther@suse.de>
11578
11579         PR tree-optimization/34683
11580         * tree-ssa-operands.c (operand_build_cmp): Export.
11581         * tree-ssa-operands.h (operand_build_cmp): Declare.
11582         * tree-vn.c (vuses_compare): Remove.
11583         (sort_vuses): Use operand_build_cmp.
11584         (sort_vuses_heap): Likewise.
11585         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
11586         to re-use old VEC if available.  Do not sort already sorted VUSEs.
11587         (vdefs_to_vec): Do not sort already sorted VDEFs.
11588
11589 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
11590
11591         PR middle-end/34694
11592         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
11593
11594 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
11595
11596         PR target/34702
11597         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
11598         limitations of reciprocal sequences on x86 targets.
11599
11600 2008-01-08  Richard Guenther  <rguenther@suse.de>
11601
11602         PR tree-optimization/34683
11603         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
11604
11605 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
11606
11607         PR target/34622
11608         * config/darwin.c (darwin_mergeable_string_section): Don't use
11609         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
11610
11611 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
11612
11613         PR target/34682
11614         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
11615         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
11616         predicates of op0 and op1 to register_operand.
11617         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
11618         expander using X87MODEF mode iterator.  Change predicates of
11619         op0 and op1 to register_operand.
11620         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
11621         corresponding patterns and macroize using MODEF macro.  Change
11622         predicates of op0 and op1 to register_operand and remove
11623         "m" constraint. Disparage "r" alternative with "!".
11624         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
11625         macroize using X87MODEF macro.  Change predicates of op0 and op1
11626         to register_operand and remove "m" constraint.  Disparage "r"
11627         alternative with "!".
11628         (absneg splitter with memory operands): Remove.
11629         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
11630         patterns and macroize using X87MODEF mode iterator.
11631         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
11632         Change predicate of op1 to register_operand.
11633         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
11634         for memory operands.
11635
11636 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11637
11638         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
11639
11640 2008-01-07  Richard Guenther  <rguenther@suse.de>
11641
11642         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
11643         fields.
11644
11645 2008-01-07  Richard Guenther  <rguenther@suse.de>
11646
11647         PR tree-optimization/34683
11648         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
11649         VOPs of the needed size to save memory.  Use VEC_quick_push
11650         to save compile-time.
11651         (vdefs_to_vec): Likewise.
11652
11653 2008-01-07  Sa Liu  <saliu@de.ibm.com>
11654
11655         * config/spu/spu.md (divdf3): Genetate inline code for double
11656         division.  The implementation doesn't handle INF or NAN, therefore it
11657         only applies when -ffinite-math-only is given.
11658
11659 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
11660
11661         PR libstdc++/34680
11662         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
11663         * doc/cpp.texi ([Common Predefined Macros]): Document.
11664
11665 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
11666
11667         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
11668         order to use commutative addition instead of subtraction.
11669
11670 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11671             Mircea Namolaru  <namolaru@il.ibm.com>
11672             Vladimir Yanovsky  <yanov@il.ibm.com>
11673             Revital Eres  <eres@il.ibm.com>
11674
11675         PR tree-optimization/34263
11676         * tree-outof-ssa.c (process_single_block_loop_latch,
11677         contains_tree_r): New functions.
11678         (analyze_edges_for_bb): Call process_single_block_loop_latch
11679         function to empty single-basic-block latch block if possible.
11680
11681 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
11682
11683         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
11684         for TARGET_RECIP.
11685         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
11686
11687 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
11688
11689         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
11690
11691 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
11692
11693         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
11694
11695 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
11696
11697         PR tree-optimization/34618
11698         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
11699         flag from T.
11700
11701 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
11702
11703         PR target/34673
11704         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
11705         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
11706         Update copyright year.
11707
11708         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
11709         Update copyright year.
11710         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
11711         using NR fixup.
11712
11713 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
11714
11715         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
11716         edge does not point to current bb before changing need_assert.
11717
11718 2008-01-04  Richard Guenther  <rguenther@suse.de>
11719
11720         PR middle-end/34029
11721         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
11722         for verifying purposes if they are is_gimple_min_invariant.
11723
11724 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
11725
11726         PR tree-optimization/34448
11727         PR tree-optimization/34465
11728         * gimplify.c (gimplify_init_constructor): Add new parameter
11729         notify_temp_creation.  Use it.
11730         (gimplify_modify_expr_rhs): Take volatiles into account when
11731         optimizing constructors.
11732         Do not optimize constructors if gimplify_init_constructor will dump to
11733         memory.
11734         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
11735         * gcc.c-torture/compile/pr34448.c: New.
11736
11737 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
11738
11739         PR gcov-profile/34609
11740         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
11741         return_slot if result is TREE_ADDRESSABLE.
11742
11743 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
11744
11745         * config/mips/mips.md (sqrt_condition): Tweak comment.
11746         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
11747
11748 2008-01-03  Tom Tromey  <tromey@redhat.com>
11749
11750         PR c/34457
11751         * c-common.c (c_type_hash): Handle VLAs.
11752
11753 2008-01-03  Jan Hubicka  <jh@suse.cz>
11754
11755         PR tree-optimization/31081
11756         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
11757         0 when inlining and not inlining to first basic block.
11758         (remap_decl): When var is initialized to 0, don't set default_def.
11759         (expand_call_inline): Set entry_bb.
11760         * tree-inline.h (copy_body_data): Add entry_bb.
11761
11762 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
11763
11764         PR c++/34619
11765         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
11766         before returning.
11767
11768         PR tree-optimization/29484
11769         * tree-inline.c (inline_forbidden_p_2): New function.
11770         (inline_forbidden_p): Disallow inlining if some static var
11771         has an address of a local LABEL_DECL in its initializer.
11772         * doc/extend.texi (Labels as Values): Document &&foo behaviour
11773         vs. inlining.
11774
11775 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
11776
11777         PR tree-optimization/34635
11778         * tree-data-ref.c (add_other_self_distances): Make sure that the
11779         evolution step is constant.
11780
11781 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
11782
11783         PR middle-end/34608
11784         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
11785
11786 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
11787
11788         * tree-sra.c (scalarize_init): Insert the generate_element_init
11789         statements after the generate_element_zero statements.
11790
11791 2008-01-02  Richard Guenther  <rguenther@suse.de>
11792
11793         PR middle-end/34093
11794         PR middle-end/31976
11795         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
11796         for very large number of operands instead of ICEing.
11797
11798 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
11799
11800         PR target/34013
11801         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
11802         while stack probing.
11803
11804 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
11805
11806         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
11807         in C++0x mode.
11808
11809 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
11810
11811         PR libmudflap/26442
11812         * tree-mudflap.c (mx_register_decls): Guard warning by
11813         !DECL_ARTIFICIAL check.
11814
11815 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
11816
11817         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
11818         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
11819         sse5_perm<mode>): Fix constraints.