gcc/ChangeLog

   1 2008-08-30  Jan Hubicka  <jh@suse.cz>
   2
   3         * postreload-gcse.c (gate_handle_gcse2): Disable for functions
   4         optimized for speed.
   5         * final.c (compute_alignments): Use optimize_bb_for_size_p.
   6         * tree-call-cdce.c (gate_call_cdce): Use optimize_function_for_speed_p.
   7         * opts.c (flag_predictive_commoning_set, flag_unswitch_loops_set,
   8         flag_gcse_after_reload_set): New static vars.
   9         (common_handle_option): Enable those flags for profile-use.
  10         (decode_options): Remove optimize_size flags that are handled
  11         on higher granuality.
  12         * tree-vectorizer.c (vectorize_loops): Use
  13         optimize_loop_nest_for_speed_p.
  14         * tree-ssa-pre.c (do_pre): Use optimize_function_for_speed_p.
  15         * tree-predcom.c (tree_predictive_commoning): Use
  16         optimize_loop_for_speed_p.
  17         * varasm.c (assemble_start_function): Use optimize_function_for_speed_p.
  18         * bb-reorder.c (rest_of_handle_reorder_blocks): Likewise.
  19         * predict.c (optimize_loop_for_speed_p): Fix walk.
  20
  21 2008-08-30  Jan Hubicka  <jh@suse.cz>
  22
  23         * ipa-inline.c (cgraph_estimate_growth): Discover self recursive
  24         functions.
  25         (cgraph_decide_inlining_of_small_function): Use edge->count to detect
  26         profile presence locally.
  27
  28 2008-08-29  Joseph Myers  <joseph@codesourcery.com>
  29
  30         PR bootstrap/37086
  31         * tree-vrp.c (find_switch_asserts): Make idx volatile for GCC
  32         versions before 4.0.
  33
  34 2008-08-29  Jan Hubicka  <jh@suse.cz>
  35
  36         * tree-inline.c (insert_init_stmt): Insert sequence even when
  37         not in SSA form.
  38
  39 2008-08-29  Jeff Law  <law@redhat.com>
  40
  41         * mn10300.c (mn10300_secondary_reload_class): We need secondary
  42         reloads for AM33-2 if IN is a pseudo with an equivalent memory
  43         location and class is an FP register.
  44
  45 2008-08-29  Jan Hubicka  <jh@suse.cz>
  46
  47         * see.c (see_merge_one_def_extension): Silence used uninitialized
  48         warning.
  49         * matrix-reorg.c (check_allocation_function): Likewise.
  50         * config/i386/driver-i386.c (detect_caches_amd): Likewise.
  51
  52 2008-08-29  Jakub Jelinek  <jakub@redhat.com>
  53
  54         PR c/37261
  55         * fold-const.c (fold_binary): In (X | C1) & C2 canonicalization
  56         compute new & and | in type rather than TREE_TYPE (arg0).
  57
  58         * dwarf2out.c (fortran_common): Update comment.
  59         (gen_variable_die): Swap com_die and var_die variables in Fortran
  60         COMMON block handling code.
  61
  62         * dwarf2out.c (descr_info_loc): Handle VAR_DECL.
  63
  64         * dwarf2out.c (gen_const_die): New function.
  65         (size_of_die, value_format, output_die): Output larger
  66         dw_val_class_vec using DW_FORM_block2 or DW_FORM_block4.
  67         (native_encode_initializer): New function.
  68         (tree_add_const_value_attribute): Call it.
  69         (gen_decl_die, dwarf2out_decl): Handle CONST_DECLs if is_fortran ().
  70
  71         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): For
  72         DECL_BY_REFERENCE decls don't pass TREE_READONLY and
  73         TREE_THIS_VOLATILE to add_type_attribute.
  74
  75         * dwarf2out.c (add_subscript_info): Stop on Fortran TYPE_STRING_FLAG
  76         types.
  77         (gen_array_type_die): Emit DW_TAG_string_type for Fortran character
  78         types.
  79
  80         * dwarf2out.c (loc_by_reference): New function.
  81         (add_location_or_const_value_attribute): Use it.
  82
  83         PR fortran/23057
  84         * dwarf2out.c (gen_variable_die): Represent Fortran COMMON vars
  85         as DW_TAG_variable children of DW_TAG_common_block rather than
  86         DW_TAG_member children.  Put DW_AT_external to individual
  87         DW_TAG_variable DIEs, not to DW_TAG_common_block.
  88
  89         * dwarf2out.c (add_bound_info): If lookup_decl_die failed, try
  90         loc_descriptor_from_tree_1.
  91
  92         PR fortran/29635
  93         PR fortran/23057
  94         * debug.h (struct gcc_debug_hooks): Add NAME and CHILD
  95         arguments to imported_module_or_decl.
  96         (debug_nothing_tree_tree): Removed.
  97         (debug_nothing_tree_tree_tree_bool): New prototype.
  98         * debug.c (do_nothing_debug_hooks): Adjust.
  99         (debug_nothing_tree_tree): Removed.
 100         (debug_nothing_tree_tree_tree_bool): New function.
 101         * dwarf2out.c (is_symbol_die): Handle DW_TAG_module.
 102         (gen_variable_die): Put all common vars for the
 103         same COMMON block under one DW_TAG_common_block.
 104         (declare_in_namespace): Return new context_die, for Fortran
 105         return the module DIE instead of adding extra declarations into
 106         the namespace.
 107         (gen_type_die_with_usage): Adjust declare_in_namespace caller.
 108         (gen_namespace_die): If is_fortran (), generate DW_TAG_module
 109         instead of DW_TAG_namespace.  If DECL_EXTERNAL is set, add
 110         DW_AT_declaration.
 111         (dwarf2out_global_decl): Don't skip Fortran global vars.
 112         (gen_decl_die): Likewise.  Adjust declare_in_namespace callers.
 113         (dwarf2out_imported_module_or_decl): Add NAME and CHILD arguments.
 114         If NAME is non-NULL, add DW_AT_name.  If CHILD is non-NULL, put
 115         DW_TAG_imported_declaration as child of previous
 116         DW_TAG_imported_module.
 117         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Adjust.
 118         * sdbout.c (sdb_debug_hooks): Likewise.
 119         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
 120
 121 2008-08-29  Jan Hubicka  <jh@suse.cz>
 122
 123         * cgraph.c (cgraph_remove_node): Do not remove nested nodes.
 124
 125         * cgraph.h (cgraph_maybe_hot_edge_p): Declare.
 126         * ipa-cp.c (n_cloning_candidates): New static variable.
 127         (ipcp_print_profile_data, ipcp_function_scale_print): Forward declare.
 128         (ipcp_print_all_lattices): Improve debug output.
 129         (ipcp_cloning_candidate_p): New function.
 130         (ipcp_initialize_node_lattices): Use it.
 131         (ipcp_init_stage): Do only analyzis here; prettier debug output.
 132         (ipcp_propagate_stage): Prettier debug output.
 133         (ipcp_iterate_stage): Initialize latices here; prettier debug output.
 134         (ipcp_print_all_structures): Remove.
 135         (ipcp_need_redirect_p): Test !n_cloning_candidates.
 136         (ipcp_insert_stage): Prettier debug output; call
 137         cgraph_remove_unreachable_nodes before propagating.
 138         (pass_ipa_cp): Schedule function removal pass.
 139         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Better
 140         debug output.
 141         (cgraph_maybe_hot_edge_p): Move to ...
 142         * predict.c (cgraph_maybe_hot_edge_p) ... here.
 143         * opts.c (flag_ipa_cp_set, flag_ipa_cp_clone_set): New.
 144         (common_handle_option): Set them; enable ipa-cp when profiling.
 145         * ipa-prop.c (ipa_print_node_jump_functions): Prettier output.
 146         (ipa_print_all_jump_functions): Likewise.
 147         (ipa_print_all_tree_maps, ipa_print_node_param_flags): Remove.
 148         (ipa_print_node_params, ipa_print_all_params): New.
 149         * ipa-prop.h (ipa_print_all_tree_maps, ipa_print_node_param_flags,
 150         ipa_print_all_param_flags): Remove.
 151         (ipa_print_node_params, ipa_print_all_params): New.
 152
 153 2008-08-29  Bob Wilson  <bob.wilson@acm.org>
 154
 155         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Revert
 156         change from 2008-04-03.
 157         * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Define.
 158
 159 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
 160
 161         PR rtl-opt/37251
 162
 163         * ira-color.c (push_allocnos_to_stack): Truncate
 164         removed_splay_allocno_vec.
 165
 166 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
 167
 168         PR rtl-opt/37243
 169         * ira-color (ira_fast_allocation): Don't assign hard registers to
 170         global allocnos.
 171
 172 2008-08-29  Jan Hubicka  <jh@suse.cz>
 173
 174         PR middle-end/37278
 175         * predict.c (optimize_loop_nest_for_speed_p): Do not ICE
 176         for cold internal loops.
 177
 178 2008-08-29  Richard Guenther  <rguenther@suse.de>
 179
 180         * tree-ssa-structalias.c (create_variable_info_for): Do not
 181         create fields for heap vars or vars with a noalias state.
 182         For NO_ALIAS_ANYTHING variables add a self-constraint, not one
 183         from ESCAPED.
 184
 185 2008-08-29  Richard Guenther  <rguenther@suse.de>
 186
 187         * common.opt (ftree-store-ccp): Mark as preserved for
 188         backward compatibility.
 189         * doc/invoke.texi (-ftree-store-ccp): Remove documentation.
 190         * tree-pass.h (pass_store_ccp): Remove.
 191         * tree-ssa-propagate.h (struct prop_value_d): Remove mem_ref field.
 192         (first_vdef): Remove declaration.
 193         (get_value_loaded_by): Likewise.
 194         * tree-ssa-ccp.c (do_store_ccp): Remove.
 195         (get_default_value): Simplify as do_store_ccp is always false
 196         now.  Do not initialize mem_ref.
 197         (set_value_varying): Likewise.
 198         (canonicalize_float_value): Likewise.
 199         (set_lattice_value): Likewise.
 200         (likely_value): Likewise.
 201         (surely_varying_stmt_p): Likewise.
 202         (ccp_initialize): Likewise.
 203         (ccp_lattice_meet): Likewise.
 204         (ccp_visit_phi_node): Likewise.
 205         (ccp_fold): Likewise.
 206         (evaluate_stmt): Likewise.
 207         (visit_assignment): Likewise.
 208         (ccp_visit_stmt): Likewise.
 209         (execute_ssa_ccp): Fold into ...
 210         (do_ssa_ccp): ... this.
 211         (do_ssa_store_ccp): Remove.
 212         (gate_store_ccp): Likewise.
 213         (pass_store_ccp): Likewise.
 214         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not
 215         initialize mem_ref.
 216         * tree-ssa-propagate.c (first_vdef): Remove.
 217         (get_value_loaded_by): Likewise.
 218         (replace_vuses_in): Likewise.
 219         (substitute_and_fold): Do not call replace_vuses_in.
 220         * opts.c (decode_options): Do not set flag_tree_store_ccp.
 221
 222 2008-08-29  Richard Guenther  <rguenther@suse.de>
 223
 224         PR middle-end/37236
 225         * tree-ssa-structalias.c (intra_create_variable_infos): Mark
 226         PARAM_NOALIAS tags with is_heapvar.
 227         * tree-ssa-operands.c (access_can_touch_variable): Offset
 228         based tests do not apply for heapvars.  Fix offset test.
 229
 230 2008-08-29  Jan Hubicka  <jh@suse.cz>
 231
 232         * doc/invoke.texi (-fipa-cp): Enabled by default at -O2/-Os/-O3
 233         (-fipa-cp-clone): Enabled by default at -O3.
 234         * opts.c (decode_options): Enable ipa-cp at -O2, ipa-cp-clone at -O3;
 235         make ipa-cp-clone to imply ipa-cp; disable cloning at -Os.
 236
 237 2008-08-29  Jan Hubicka  <jh@suse.cz>
 238
 239         * tree.c (build_function_type_skip_args, build_function_decl_skip_args):
 240         New functions.
 241         * tree.h (build_function_type_skip_args, build_function_decl_skip_args):
 242         Declare.
 243         * gimple.c (giple_copy_call_skip_args): New function.
 244         (giple_copy_call_skip_args): Declare.
 245
 246         * cgraph.h (cgraph_function_versioning): Add skip_args arugmnet
 247         * ipa-cp.c (ipcp_node_not_modifiable_p): Rename to ...
 248         (ipcp_node_modifiable_p): ... this one; use tree_versionable_function_p.
 249         (ipcp_create_replace_map): Improve debug output.
 250         (ipcp_need_redirect_p): Return false when not clonning.
 251         (ipcp_update_callgraph): Skip args.
 252         (ipcp_insert_stage): UPdate call of !ipcp_node_modifiable_p;
 253         skip args.
 254         * cgraphunit.c (cgraph_function_versioning): Add skip_args argument.
 255         (save_inline_function_body): Update call of tree_function_versioning.
 256         * ipa-prop.c (ipa_edge_removal_hook): Do not ICE on unanalyzed nodes.
 257         * tree-inline.c (copy_arguments_for_versioning): Add skip_args argument.
 258         (tree_function_versioning): Likewise.
 259         * tree-inline.h (tree_function_versioning): Update prototype.
 260
 261 2008-08-29  Jan Hubicka  <jh@suse.cz>
 262
 263         * loop-unswitch.c (unswitch_single_loop): Use optimize_loop_for_speed_p.
 264         * tree-ssa-threadupdate.c (mark_threaded_blocks): Use optimize_function_for_size_p.
 265         * tracer.c (ignore_bb_p): Use optimize_bb_for_size_p.
 266         * postreload-gcse.c (eliminate_partially_redundant_load): Use optimize_bb_for_size_p.
 267         * value-prof.c (gimple_divmod_fixed_value_transform,
 268         gimple_mod_pow2_value_transform, gimple_mod_subtract_transform,
 269         gimple_stringops_transform): Use optimize_bb_for_size_p.
 270         * ipa-cp.c (ipcp_insert_stage): Use optimize_function_for_size_p.
 271         * final.c (compute_alignments): Use optimize_function_for_size_p.
 272         * builtins.c (fold_builtin_cabs): Use optimize_function_for_speed_p.
 273         (fold_builtin_strcpy, fold_builtin_fputs): Use
 274         optimize_function_for_size_p.
 275         * fold-const.c (tree_swap_operands_p): Use optimize_function_for_size_p.
 276         * recog.c (relax_delay_slots): Likewise.
 277         * tree-ssa-math-opts.c (replace_reciprocal): Use optimize_bb_for_speed_p.
 278         (execute_cse_reciprocals): Use optimize_bb_for_size_p.
 279         * ipa-inline.c (cgraph_decide_recursive_inlining): Use
 280         optimize_function_for_size_p.
 281         (cgraph_decide_inlining_of_small_function): Use
 282         optimize_function_for_size_p.
 283         * global.c (find_reg): Use optimize_function_for_size_p.
 284         * opts.c (decode_options): Do not clear flag_tree_ch, flag_inline_functions,
 285         flag_unswitch_loops, flag_unroll_loops, flag_unroll_all_loops and
 286         flag_prefetch_loop_arrays. Those can work it out from profile.
 287         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Use
 288         optimize_loop_for_speed_p.
 289         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p): Constify
 290         argument.
 291         (optimize_loop_nest_for_size_p, optimize_loop_nest_for_speed_p): New.
 292         * tree-parloops.c (parallelize_loops): Use optimize_loop_for_size_p.
 293         * tree-eh.c (decide_copy_try_finally): Use optimize_function_for_size_p.
 294         * local-alloc.c (block_alloc): Pass BB pointer.
 295         (find_free_reg): Add BB pointer, use optimize_bb_for_size_p.
 296         * gcse.c (gcse_main): Use optimize_function_for_size_p.
 297         * loop-unroll.c (decide_unrolling_and_peeling): Use optimize_loop_for_size_p.
 298         (decide_peel_completely): Likewise.
 299         * tree-vect-analyze.c (vect_mark_for_runtime_alias_test): Use
 300         optimize_loop_for_size_p.
 301         (vect_enhance_data_refs_alignment): Likewise.
 302         * tree-ssa-coalesce.c (coalesce_cost): Add optimize_for_size argument.
 303         (coalesce_cost_bb, coalesce_cost_edge, create_outofssa_var_map): Update call.
 304         * cfgcleanup.c (outgoing_edges_match): Use optimize_bb_for_speed_p.
 305         (try_crossjump_bb): Use optimize_bb_for_size_p.
 306         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
 307         optimize_loop_for_speed_p.
 308         * bb-reorder.c (find_traces_1_round): Likewise.
 309         (copy_bb): Use optimize_bb_for_speed_p.
 310         (duplicate_computed_gotos): Likewise.
 311         * basic-block.h (optimize_loop_nest_for_size_p,
 312         optimize_loop_nest_for_speed_p): New.
 313         * stmt.c (expand_case): Use optimize_insn_for_size_p.
 314
 315 2008-08-29  Tristan Gingold  <gingold@adacore.com>
 316
 317         * gcov.c (main): Call expandargv.
 318
 319 2008-08-29  Jan Hubicka  <jh@suse.cz>
 320
 321         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Check that loop
 322         is not cold.
 323         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p):
 324         Constify arguments.
 325         (optimize_loop_for_size_p, optimize_loop_for_speed_p): New functions.
 326         * basic-block.h (optimize_bb_for_size_p, optimize_bb_for_speed_p):
 327         Constify.
 328         (optimize_loop_for_size_p, optimize_loop_for_speed_p): Declare.
 329
 330 2008-08-29  Jan Hubicka  <jh@suse.cz>
 331
 332         * tree-pass.h (pass_strip_predict_hints): Declare.
 333         * predict.c (strip_builtin_expect): Rename to ...
 334         (strip_predict_hints): ... this one; strip also GIMPLE_PREDICT.
 335         (tree_bb_level_predictions): Do not remove GIMPLE_PREDICT.
 336         (tree_estimate_probability): Do not strip builtin_expect.
 337         (pass_strip_predict_hints): New pass.
 338         * tree-inline.c (expand_call_inline): When inlining cold function, predict
 339         it as unlikely.
 340         * passes.c (init_optimization_passes): Add pass_strip_predict_hints.
 341
 342 2008-08-29  Richard Guenther  <rguenther@suse.de>
 343
 344         PR tree-optimization/37207
 345         * tree-vrp.c (extract_range_from_binary_expr): Also try
 346         to constant fold if only one of the operands is a constant.
 347
 348 2008-08-29  Nick Clifton  <nickc@redhat.com>
 349
 350         * config/m32r/m32r.h (LEGITIMATE_CONSTANT_P): Treat LABEL_REFs in
 351         the same way as SYMBOL_REFs.
 352
 353 2008-08-28  Bob Wilson  <bob.wilson@acm.org>
 354
 355         * config/xtensa/xtensa.md (<u>mulsidi3): Use a temporary register.
 356
 357 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
 358
 359         * config/mips/mips.h (ISA_HAS_BBIT): New macro.
 360         * config/mips/mips.md (branch_likely): Remove const.  Fix
 361         comment formatting.
 362         (define_delay for type "branch"): Change to only apply for branch
 363         with likely variant.
 364         (define_delay for type "branch" and "branch_likely" no).  New delay
 365         definition.
 366         (equality_op): New code iterator.
 367         (bbv, bbinv): New code attributes.
 368         (*branch_bit<bbv><mode>, *branch_bit<bbv><mode>_inverted): New
 369         patterns.
 370
 371 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 372             Andrew Pinski  <pinskia@gcc.gnu.org>
 373
 374         PR 18050
 375         * c-common.c (verify_tree): Fix handling of ADDR_EXPR.
 376
 377 2008-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
 378
 379         * gtrh-posix.h: Fix uses of _POSIX_TIMEOUTS per the normal Posix
 380         rule that a symbolic constant must be defined and >= 0 for the
 381         corresponding facility to be present at compile-time.
 382         * gthr-posix.c: Likewise.
 383
 384 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
 385
 386         * config/mips/mips.h (ISA_HAS_DMUL3): New macro.
 387         * config/mips/mips.md (D): New mode attribute.
 388         (mulsi3, muldi3): Merge it into ...
 389         (mul<mode>3): ... new template.  Use _mul3 ending for 3-op
 390         patterns.
 391         (muldi3_mul3): New pattern.
 392         (mulsi3_mult3): Rename to mulsi3_mul3.
 393
 394 2008-08-28  Jan Hubicka  <jh@suse.cz>
 395
 396         * expmed.c (store_bit_field_1): Be prepared for movstrict expander
 397         to fail.
 398         * predict.c (always_optimize_for_size_p): Rename to ...
 399         (optimize_function_for_size): ... this one; make extern.
 400         (optimize_function_for_speed_p): New.
 401         (optimize_bb_for_size_p, optimize_bb_for_size_p,
 402         optimize_edge_for_size_p,optimize_edge_for_size_p,
 403         optimize_insn_for_size_p, optimize_insn_for_size_p): Update.
 404         * basic-block.h (optimize_function_for_size_p,
 405         optimize_function_for_speed_p): Declare.
 406         * i386.md (optimize_size checks): Replace them by appropriate
 407         predicate.
 408         (standard_80387_constant_p, ix86_compute_frame_layout,
 409         ix86_expand_epilogue, ix86_decompose_address,
 410         print_operand, emit_i387_cw_initialization,
 411         inline_memory_move_cost, ix86_pad_returns,
 412         ix86_reorg): Replace optimize_size checks.
 413
 414 2008-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
 415
 416         * rtl.h (simplify_subreg_regno): Declare.
 417         * rtlanal.c (simplify_subreg_regno): New function, split out from...
 418         * simplify-rtx.c (simplify_subreg): ...here.
 419         * reload.c (find_reloads): Use simplify_subreg_regno instead of
 420         subreg_offset_representable_p.
 421
 422 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 423
 424         PR c/30949
 425         * c-typeck.c (convert_for_assignment): Give a note describing what
 426         was passed and what was expected.
 427
 428 2008-08-28  Joey Ye  <joey.ye@intel.com>
 429
 430         * doc/extend.texi: Document AVX built-in functions.
 431         * doc/invoke.texi: Document -mavx.
 432
 433 2008-08-28  H.J. Lu  <hongjiu.lu@intel.com>
 434             Joey Ye  <joey.ye@intel.com>
 435             Xuepeng Guo  <xuepeng.guo@intel.com>
 436
 437         * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64.
 438
 439         * config/i386/cpuid.h (bit_FMA): New.
 440         (bit_XSAVE): Likewise.
 441         (bit_OSXSAVE): Likewise.
 442         (bit_AVX): Likewise.
 443
 444         * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before
 445         define.  Use ASM_OUTPUT_AVX_PREFIX.
 446
 447         * config/i386/gmmintrin.h: New.
 448
 449         * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS.
 450         (OPTION_MASK_ISA_AVX_SET): New.
 451         (OPTION_MASK_ISA_FMA_SET): Likewise.
 452         (OPTION_MASK_ISA_AVX_UNSET): Likewise.
 453         (OPTION_MASK_ISA_FMA_SET): Likewise.
 454         (OPTION_MASK_ISA_SSE4_2_UNSET): Updated.
 455         (ix86_handle_option): Handle OPT_mavx and OPT_mfma.
 456         (pta_flags): Add PTA_AVX and PTA_FMA.
 457         (override_options): Handle PTA_AVX and PTA_FMA.
 458         (init_cumulative_args): Handle warn_avx.
 459         (classify_argument): Return 0 for COImode and OImode.  Return
 460         1 and X86_64_AVX_CLASS for 256bit vector types.
 461         (examine_argument): Handle X86_64_AVX_CLASS.
 462         (construct_container): Likewise.
 463         (function_arg_advance_32): Pass OImode and 256bit vector types
 464         in AVX register.
 465         (function_arg_advance_64): Take a new argument to indicate if a
 466         parameter is named.  Handle 256bit vector types.  Return
 467         immediately for unnamed 256bit vector mode parameters.
 468         (function_arg_advance): Updated.
 469         (function_arg_32): Add comments for TImode.  Handle OImode
 470         and 256bit vector types.
 471         (function_arg_64): Take a new argument to indicate if a
 472         parameter is named.  Handle 256bit vector types.  Return NULL
 473         for unnamed 256bit vector mode parameters.
 474         (function_arg): Updated.
 475         (setup_incoming_varargs_64): Support
 476         AVX encoding for *sse_prologue_save_insn.
 477         (ix86_gimplify_va_arg): Handle 256bit vector mode parameters.
 478         (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't
 479         enabled.  For all 1s in 256bit vector modes, return 3 if AVX is
 480         enabled, otherwise return -3.
 481         (standard_sse_constant_opcode): Handle AVX and 256bit vector
 482         modes.
 483         (print_reg): Support AVX registers.  Handle 'x' and 't'.
 484         Handle 'd' to duplicate the operand.
 485         (print_operand): Likewise.  Also support AVX vector compare
 486         instructions.
 487         (output_387_binary_op): Support AVX.
 488         (output_fp_compare): Likewise.
 489         (ix86_expand_vector_move_misalign): Likewise.
 490         (ix86_attr_length_vex_default): New.
 491         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
 492         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
 493         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
 494         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
 495         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256,
 496         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
 497         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256,
 498         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256,
 499         IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256,
 500         IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256,
 501         IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256,
 502         IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256,
 503         IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256,
 504         IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256,
 505         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
 506         IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256,
 507         IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256,
 508         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
 509         IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256,
 510         IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256,
 511         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
 512         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
 513         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
 514         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256,
 515         IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256,
 516         IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER,
 517         IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD,
 518         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
 519         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD,
 520         IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256,
 521         IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD,
 522         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256,
 523         IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256,
 524         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
 525         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
 526         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
 527         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256,
 528         IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256,
 529         IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256,
 530         IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256,
 531         IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256,
 532         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD,
 533         IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD,
 534         IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256,
 535         IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256,
 536         IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256,
 537         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
 538         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
 539         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
 540         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
 541         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
 542         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
 543         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
 544         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
 545         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
 546         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
 547         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
 548         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
 549         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
 550         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
 551         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
 552         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
 553         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
 554         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256
 555         and IX86_BUILTIN_MOVMSKPS256,
 556         (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR,
 557         V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF,
 558         V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF,
 559         V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF,
 560         V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI,
 561         VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF,
 562         VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF,
 563         VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF,
 564         (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST,
 565         INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST,
 566         INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST,
 567         INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI,
 568         V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF,
 569         V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF,
 570         V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF,
 571         V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF,
 572         V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI,
 573         V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI,
 574         V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI,
 575         V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT,
 576         V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT,
 577         V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF,
 578         V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT,
 579         V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT,
 580         V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT,
 581         V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
 582         (bdesc_special_args): Add IX86_BUILTIN_VZEROALL,
 583         IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64,
 584         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
 585         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
 586         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256,
 587         IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256,
 588         IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256,
 589         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256,
 590         IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS,
 591         IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256,
 592         IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS,
 593         IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256.
 594         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
 595         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
 596         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
 597         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
 598         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256,
 599         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256,
 600         IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256,
 601         IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256,
 602         IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256,
 603         IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256,
 604         IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256,
 605         IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256,
 606         IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256,
 607         IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD,
 608         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
 609         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256,
 610         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
 611         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256,
 612         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
 613         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
 614         IX86_BUILTIN_CMPPS,
 615         IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256,
 616         IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256,
 617         IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256,
 618         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
 619         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
 620         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
 621         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256,
 622         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
 623         IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS,
 624         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
 625         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS,
 626         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
 627         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
 628         IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256,
 629         IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256,
 630         IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256,
 631         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
 632         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
 633         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
 634         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
 635         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
 636         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
 637         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
 638         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
 639         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
 640         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
 641         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
 642         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
 643         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
 644         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
 645         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
 646         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
 647         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
 648         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and
 649         IX86_BUILTIN_MOVMSKPS256.
 650         (ix86_init_mmx_sse_builtins): Support AVX builtins.
 651         (ix86_expand_args_builtin): Likewise.
 652         (ix86_expand_special_args_builtin): Likewise.
 653         (ix86_hard_regno_mode_ok): Handle AVX modes.
 654         (ix86_expand_vector_init_duplicate): Likewise.
 655         (ix86_expand_vector_init_one_nonzero): Likewise.
 656         (ix86_expand_vector_init_one_var): Likewise.
 657         (ix86_expand_vector_init_concat): Likewise.
 658         (ix86_expand_vector_init_general): Likewise.
 659         (ix86_expand_vector_set): Likewise.
 660         (ix86_vector_mode_supported_p): Likewise.
 661         (x86_extended_reg_mentioned_p): Check INSN_P before using
 662         PATTERN.
 663
 664         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
 665         OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA.
 666
 667         * config/i386/i386.h (TARGET_AVX): New.
 668         (TARGET_FMA): Likewise.
 669         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA.
 670         (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX.
 671         (VALID_AVX256_REG_MODE): New.
 672         (AVX256_VEC_FLOAT_MODE_P): Likewise.
 673         (AVX_FLOAT_MODE_P): Likewise.
 674         (AVX128_VEC_FLOAT_MODE_P): Likewise.
 675         (AVX256_VEC_FLOAT_MODE_P): Likewise.
 676         (AVX_VEC_FLOAT_MODE_P): Likewise.
 677         (ASM_OUTPUT_AVX_PREFIX): Likewise.
 678         (ASM_OUTPUT_OPCODE): Likewise.
 679         (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer
 680         support.
 681         (SSE_REG_MODE_P): Allow 256bit vector modes.
 682         (ix86_args): Add a warn_avx field.
 683
 684         * config/i386/i386.md (UNSPEC_PCMP): New.
 685         (UNSPEC_VPERMIL): Likewise.
 686         (UNSPEC_VPERMIL2): Likewise.
 687         (UNSPEC_VPERMIL2F128): Likewise.
 688         (UNSPEC_MASKLOAD): Likewise.
 689         (UNSPEC_MASKSTORE): Likewise.
 690         (UNSPEC_CAST): Likewise.
 691         (UNSPEC_VTESTP): Likewise.
 692         (UNSPECV_VZEROALL): Likewise.
 693         (UNSPECV_VZEROUPPER): Likewise.
 694         (XMM0_REG): Likewise.
 695         (XMM1_REG): Likewise.
 696         (XMM2_REG): Likewise.
 697         (XMM3_REG): Likewise.
 698         (XMM4_REG): Likewise.
 699         (XMM5_REG): Likewise.
 700         (XMM6_REG): Likewise.
 701         (XMM8_REG): Likewise.
 702         (XMM9_REG): Likewise.
 703         (XMM10_REG): Likewise.
 704         (XMM11_REG): Likewise.
 705         (XMM12_REG): Likewise.
 706         (XMM13_REG): Likewise.
 707         (XMM14_REG): Likewise.
 708         (XMM15_REG): Likewise.
 709         (prefix): Likewise.
 710         (prefix_vex_imm8): Likewise.
 711         (prefix_vex_w): Likewise.
 712         (length_vex): Likewise.
 713         (maxmin): Likewise.
 714         (movoi): Likewise.
 715         (*avx_ashlti3): Likewise.
 716         (*avx_lshrti3): Likewise.
 717         (*avx_setcc<mode>): Likewise.
 718         (*fop_<mode>_comm_mixed_avx): Likewise.
 719         (*fop_<mode>_comm_avx): Likewise.
 720         (*fop_<mode>_1_mixed_avx): Likewise.
 721         (*fop_<mode>_1_avx): Likewise.
 722         (*avx_<code><mode>3): Likewise.
 723         (*avx_ieee_smin<mode>3): Likewise.
 724         (*avx_ieee_smax<mode>3): Likewise.
 725         (mode): Add OI, V8SF and V4DF.
 726         (length): Support VEX prefix.
 727         (*cmpfp_i_mixed): Set prefix attribute.
 728         (*cmpfp_i_sse): Likewise.
 729         (*cmpfp_iu_mixed): Likewise.
 730         (*cmpfp_iu_sse): Likewise.
 731         (*movsi_1): Support AVX.
 732         (*movdi_2): Likewise.
 733         (*movdi_1_rex64): Likewise.
 734         (*movti_internal): Likewise.
 735         (*movti_rex64): Likewise.
 736         (*movsf_1): Likewise.
 737         (*movdf_nointeger): Likewise.
 738         (*movdf_integer_rex64): Likewise.
 739         (*movtf_internal): Likewise.
 740         (zero_extendsidi2_32): Likewise.
 741         (zero_extendsidi2_rex64): Likewise.
 742         (*extendsfdf2_mixed): Likewise.
 743         (*extendsfdf2_sse): Likewise.
 744         (*truncdfsf_fast_mixed): Likewise.
 745         (*truncdfsf_fast_sse): Likewise.
 746         (*truncdfsf_mixed): Likewise.
 747         (fix_trunc<mode>di_sse): Likewise.
 748         (fix_trunc<mode>si_sse): Likewise.
 749         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
 750         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
 751         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
 752         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
 753         (*rcpsf2_sse): Likewise.
 754         (*rsqrtsf2_sse): Likewise.
 755         (*sqrt<mode>2_sse): Likewise.
 756         (sse4_1_round<mode>2): Likewise.
 757         (*sse_prologue_save_insn): Disallow REX prefix for AVX.
 758         Support AVX.  Set length attribute properly for AVX.
 759
 760         * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New.
 761         (VECTOR_MODES (FLOAT, 32)): Likewise.
 762         (VECTOR_MODE (INT, DI, 8)): Likewise.
 763         (VECTOR_MODE (INT, HI, 32)): Likewise.
 764         (VECTOR_MODE (INT, QI, 64)): Likewise.
 765         (VECTOR_MODE (FLOAT, DF, 8)): Likewise.
 766         (VECTOR_MODE (FLOAT, SF, 16)): Likewise.
 767         (VECTOR_MODE (INT, DI, 4)): Removed.
 768         (VECTOR_MODE (INT, SI, 8)): Likewise.
 769         (VECTOR_MODE (INT, HI, 16)): Likewise.
 770         (VECTOR_MODE (INT, QI, 32)): Likewise.
 771         (VECTOR_MODE (FLOAT, SF, 8)): Likewise.
 772         (INT_MODE (OI, 32)): Likewise.
 773
 774         * config/i386/i386.opt (mavx): New.
 775         (mfma): Likewise.
 776
 777         * config/i386/i386-protos.h (ix86_attr_length_vex_default): New.
 778
 779         * config/i386/mmx.md (*mov<mode>_internal_rex64): Support AVX.
 780         (*mov<mode>_internal_avx): New.
 781         (*movv2sf_internal_rex64_avx): Likewise.
 782         (*movv2sf_internal_avx): Likewise.
 783
 784         * config/i386/predicates.md (const_4_to_5_operand): New.
 785         (const_6_to_7_operand): Likewise.
 786         (const_8_to_11_operand): Likewise.
 787         (const_12_to_15_operand): Likewise.
 788         (avx_comparison_float_operator): Likewise.
 789
 790         * config/i386/sse.md (AVX256MODEI): New.
 791         (AVX256MODE): Likewise.
 792         (AVXMODEQI): Likewise.
 793         (AVXMODE): Likewise.
 794         (AVX256MODEF2P): Likewise.
 795         (AVX256MODE2P): Likewise.
 796         (AVX256MODE4P): Likewise.
 797         (AVX256MODE8P): Likewise.
 798         (AVXMODEF2P): Likewise.
 799         (AVXMODEF4P): Likewise.
 800         (AVXMODEDCVTDQ2PS): Likewise.
 801         (AVXMODEDCVTPS2DQ): Likewise.
 802         (avxvecmode): Likewise.
 803         (avxvecpsmode): Likewise.
 804         (avxhalfvecmode): Likewise.
 805         (avxscalarmode): Likewise.
 806         (avxcvtvecmode): Likewise.
 807         (avxpermvecmode): Likewise.
 808         (avxmodesuffixf2c): Likewise.
 809         (avxmodesuffixp): Likewise.
 810         (avxmodesuffixs): Likewise.
 811         (avxmodesuffix): Likewise.
 812         (vpermilbits): Likewise.
 813         (pinsrbits): Likewise.
 814         (mov<mode>): Likewise.
 815         (*mov<mode>_internal): Likewise.
 816         (push<mode>1): Likewise.
 817         (movmisalign<mode>): Likewise.
 818         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 819         (avx_movdqu<avxmodesuffix>): Likewise.
 820         (avx_lddqu<avxmodesuffix>): Likewise.
 821         (<plusminus_insn><mode>3): Likewise.
 822         (*avx_<plusminus_insn><mode>3): Likewise.
 823         (*avx_vm<plusminus_insn><mode>3): Likewise.
 824         (mul<mode>3): Likewise.
 825         (*avx_mul<mode>3): Likewise.
 826         (*avx_vmmul<mode>3): Likewise.
 827         (divv8sf3): Likewise.
 828         (divv4df3): Likewise.
 829         (avx_div<mode>3): Likewise.
 830         (*avx_div<mode>3): Likewise.
 831         (*avx_vmdiv<mode>3): Likewise.
 832         (avx_rcpv8sf2): Likewise.
 833         (*avx_vmrcpv4sf2): Likewise.
 834         (sqrtv8sf2): Likewise.
 835         (avx_sqrtv8sf2): Likewise.
 836         (*avx_vmsqrt<mode>2): Likewise.
 837         (rsqrtv8sf2): Likewise.
 838         (avx_rsqrtv8sf2): Likewise.
 839         (*avx_vmrsqrtv4sf2): Likewise.
 840         (<code><mode>3): Likewise.
 841         (*avx_<code><mode>3_finite): Likewise.
 842         (*avx_<code><mode>3): Likewise.
 843         (*avx_vm<code><mode>3): Likewise.
 844         (*avx_ieee_smin<mode>3): Likewise.
 845         (*avx_ieee_smax<mode>3): Likewise.
 846         (avx_addsubv8sf3): Likewise.
 847         (avx_addsubv4df3): Likewise.
 848         (*avx_addsubv4sf3): Likewise.
 849         (*avx_addsubv2df3): Likewise.
 850         (avx_h<plusminus_insn>v4df3): Likewise.
 851         (avx_h<plusminus_insn>v8sf3): Likewise.
 852         (*avx_h<plusminus_insn>v4sf3): Likewise.
 853         (*avx_h<plusminus_insn>v2df3): Likewise.
 854         (avx_cmpp<avxmodesuffixf2c><mode>3): Likewise.
 855         (avx_cmps<ssemodesuffixf2c><mode>3): Likewise.
 856         (*avx_maskcmp<mode>3): Likewise.
 857         (avx_nand<mode>3): Likewise.
 858         (*avx_<code><mode>3): Likewise.
 859         (*avx_nand<mode>3): Likewise.
 860         (*avx_<code><mode>3): Likewise.
 861         (*avx_cvtsi2ss): Likewise.
 862         (*avx_cvtsi2ssq): Likewise.
 863         (*avx_cvtsi2sd): Likewise.
 864         (*avx_cvtsi2sdq): Likewise.
 865         (*avx_cvtsd2ss): Likewise.
 866         (avx_cvtss2sd): Likewise.
 867         (avx_cvtdq2ps<avxmodesuffix>): Likewise.
 868         (avx_cvtps2dq<avxmodesuffix>): Likewise.
 869         (avx_cvttps2dq<avxmodesuffix>): Likewise.
 870         (*avx_cvtsi2sd): Likewise.
 871         (*avx_cvtsi2sdq): Likewise.
 872         (avx_cvtdq2pd256): Likewise.
 873         (avx_cvtpd2dq256): Likewise.
 874         (avx_cvttpd2dq256): Likewise.
 875         (*avx_cvtsd2ss): Likewise.
 876         (*avx_cvtss2sd): Likewise.
 877         (avx_cvtpd2ps256): Likewise.
 878         (avx_cvtps2pd256): Likewise.
 879         (*avx_movhlps): Likewise.
 880         (*avx_movlhps): Likewise.
 881         (avx_unpckhps256): Likewise.
 882         (*avx_unpckhps): Likewise.
 883         (avx_unpcklps256): Likewise.
 884         (*avx_unpcklps): Likewise.
 885         (avx_movshdup256): Likewise.
 886         (avx_movsldup256): Likewise.
 887         (avx_shufps256): Likewise.
 888         (avx_shufps256_1): Likewise.
 889         (*avx_shufps_<mode>): Likewise.
 890         (*avx_loadhps): Likewise.
 891         (*avx_storelps): Likewise.
 892         (*avx_loadlps): Likewise.
 893         (*avx_movss): Likewise.
 894         (*vec_dupv4sf_avx): Likewise.
 895         (*vec_concatv2sf_avx): Likewise.
 896         (*vec_concatv4sf_avx): Likewise.
 897         (*vec_setv4sf_0_avx): Likewise.
 898         (*vec_setv4sf_avx): Likewise.
 899         (*avx_insertps): Likewise.
 900         (avx_vextractf128<mode>): Likewise.
 901         (vec_extract_lo_<mode>): Likewise.
 902         (vec_extract_hi_<mode>): Likewise.
 903         (vec_extract_lo_<mode>): Likewise.
 904         (vec_extract_hi_<mode>): Likewise.
 905         (vec_extract_lo_v16hi): Likewise.
 906         (vec_extract_hi_v16hi): Likewise.
 907         (vec_extract_lo_v32qi): Likewise.
 908         (vec_extract_hi_v32qi): Likewise.
 909         (avx_unpckhpd256): Likewise.
 910         (*avx_unpckhpd): Likewise.
 911         (avx_movddup256): Likewise.
 912         (*avx_movddup): Likewise.
 913         (avx_unpcklpd256): Likewise.
 914         (*avx_unpcklpd): Likewise.
 915         (avx_shufpd256): Likewise.
 916         (avx_shufpd256_1): Likewise.
 917         (*avx_punpckhqdq): Likewise.
 918         (*avx_punpcklqdq): Likewise.
 919         (*avx_shufpd_<mode>): Likewise.
 920         (*avx_storehpd): Likewise.
 921         (*avx_loadhpd): Likewise.
 922         (*avx_loadlpd): Likewise.
 923         (*avx_movsd): Likewise.
 924         (*vec_concatv2df_avx): Likewise.
 925         (*avx_<plusminus_insn><mode>3): Likewise.
 926         (*avx_<plusminus_insn><mode>3): Likewise.
 927         (*avx_mulv8hi3): Likewise.
 928         (*avxv8hi3_highpart): Likewise.
 929         (*avx_umulv8hi3_highpart): Likewise.
 930         (*avx_umulv2siv2di3): Likewise.
 931         (*avx_mulv2siv2di3): Likewise.
 932         (*avx_pmaddwd): Likewise.
 933         (*avx_mulv4si3): Likewise.
 934         (*avx_ashr<mode>3): Likewise.
 935         (*avx_lshr<mode>3): Likewise.
 936         (*avx_ashl<mode>3): Likewise.
 937         (*avx_<code><mode>3): Likewise.
 938         (*avx_eq<mode>3): Likewise.
 939         (*avx_gt<mode>3): Likewise.
 940         (*avx_nand<mode>3): Likewise.
 941         (*avx_nand<mode>3): Likewise.
 942         (*avx_<code><mode>3): Likewise.
 943         (*avx_<code><mode>3): Likewise.
 944         (*avx_packsswb): Likewise.
 945         (*avx_packssdw): Likewise.
 946         (*avx_packuswb): Likewise.
 947         (*avx_punpckhbw): Likewise.
 948         (*avx_punpcklbw): Likewise.
 949         (*avx_punpckhwd): Likewise.
 950         (*avx_punpcklwd): Likewise.
 951         (*avx_punpckhdq): Likewise.
 952         (*avx_punpckldq): Likewise.
 953         (*avx_pinsr<avxmodesuffixs>): Likewise.
 954         (*avx_pinsrq): Likewise.
 955         (*avx_loadld): Likewise.
 956         (*vec_extractv2di_1_rex64_avx): Likewise.
 957         (*vec_extractv2di_1_avx): Likewise.
 958         (*vec_dupv2di_avx): Likewise.
 959         (*vec_concatv2si_avx): Likewise.
 960         (*vec_concatv4si_1_avx): Likewise.
 961         (*vec_concatv2di_avx): Likewise.
 962         (*vec_concatv2di_rex64_avx): Likewise.
 963         (*avx_uavgv16qi3): Likewise.
 964         (*avx_uavgv8hi3): Likewise.
 965         (*avx_psadbw): Likewise.
 966         (avx_movmskp<avxmodesuffixf2c>256): Likewise.
 967         (*avx_phaddwv8hi3): Likewise.
 968         (*avx_phadddv4si3): Likewise.
 969         (*avx_phaddswv8hi3): Likewise.
 970         (*avx_phsubwv8hi3): Likewise.
 971         (*avx_phsubdv4si3): Likewise.
 972         (*avx_phsubswv8hi3): Likewise.
 973         (*avx_pmaddubsw128): Likewise.
 974         (*avx_pmulhrswv8hi3): Likewise.
 975         (*avx_pshufbv16qi3): Likewise.
 976         (*avx_psign<mode>3): Likewise.
 977         (*avx_palignrti): Likewise.
 978         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 979         (avx_blendvp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 980         (avx_dpp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 981         (*avx_mpsadbw): Likewise.
 982         (*avx_packusdw): Likewise.
 983         (*avx_pblendvb): Likewise.
 984         (*avx_pblendw): Likewise.
 985         (avx_vtestp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
 986         (avx_ptest256): Likewise.
 987         (avx_roundp<avxmodesuffixf2c>256): Likewise.
 988         (*avx_rounds<ssemodesuffixf2c>): Likewise.
 989         (*avx_aesenc): Likewise.
 990         (*avx_aesenclast): Likewise.
 991         (*avx_aesdec): Likewise.
 992         (*avx_aesdeclast): Likewise.
 993         (avx_vzeroupper): Likewise.
 994         (avx_vzeroupper_rex64): Likewise.
 995         (avx_vpermil<mode>): Likewise.
 996         (avx_vpermilvar<mode>3): Likewise.
 997         (avx_vpermil2<mode>3): Likewise.
 998         (avx_vperm2f128<mode>3): Likewise.
 999         (avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1000         (avx_vbroadcastss256): Likewise.
1001         (avx_vbroadcastf128_p<avxmodesuffixf2c>256): Likewise.
1002         (avx_vinsertf128<mode>): Likewise.
1003         (vec_set_lo_<mode>): Likewise.
1004         (vec_set_hi_<mode>): Likewise.
1005         (vec_set_lo_<mode>): Likewise.
1006         (vec_set_hi_<mode>): Likewise.
1007         (vec_set_lo_v16hi): Likewise.
1008         (vec_set_hi_v16hi): Likewise.
1009         (vec_set_lo_v32qi): Likewise.
1010         (vec_set_hi_v32qi): Likewise.
1011         (avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1012         (avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1013         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
1014         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Likewise.
1015         (vec_init<mode>): Likewise.
1016         (*vec_concat<mode>_avx): Likewise.
1017         (blendbits): Support V8SF and V4DF.
1018         (sse2_movq128): Support AVX.
1019         (<sse>_movnt<mode>): Likewise.
1020         (sse2_movntv2di): Likewise.
1021         (sse_rcpv4sf2): Likewise.
1022         (sse_sqrtv4sf2): Likewise.
1023         (sse_rsqrtv4sf2): Likewise.
1024         (<sse>_comi): Likewise.
1025         (<sse>_ucomi): Likewise.
1026         (sse_cvtss2si): Likewise.
1027         (sse_cvtss2si_2): Likewise.
1028         (sse_cvtss2siq): Likewise.
1029         (sse_cvtss2siq_2): Likewise.
1030         (sse_cvttss2si): Likewise.
1031         (sse_cvttss2siq): Likewise.
1032         (sse2_cvtsd2si): Likewise.
1033         (sse2_cvtsd2si_2): Likewise.
1034         (sse2_cvtsd2siq): Likewise.
1035         (sse2_cvtsd2siq_2): Likewise.
1036         (sse2_cvttsd2si): Likewise.
1037         (sse2_cvttsd2siq): Likewise.
1038         (sse2_cvtdq2pd): Likewise.
1039         (*sse2_cvtpd2dq): Likewise.
1040         (*sse2_cvttpd2dq): Likewise.
1041         (*sse2_cvtpd2ps): Likewise.
1042         (sse2_cvtps2pd): Likewise.
1043         (sse3_movshdup): Likewise.
1044         (sse3_movsldup): Likewise.
1045         (sse_storehps): Likewise.
1046         (*sse4_1_extractps): Likewise.
1047         (sse2_storelpd): Likewise.
1048         (vec_dupv2df_sse3): Likewise.
1049         (*vec_concatv2df_sse3): Likewise.
1050         (*sse4_1_pextrb): Likewise.
1051         (*sse4_1_pextrb_memory): Likewise.
1052         (*sse2_pextrw): Likewise.
1053         (*sse4_1_pextrw_memory): Likewise.
1054         (*sse4_1_pextrd): Likewise.
1055         (*sse4_1_pextrq): Likewise.
1056         (sse2_pshufd_1): Likewise.
1057         (sse2_pshuflw_1): Likewise.
1058         (sse2_pshufhw_1): Likewise.
1059         (*sse2_storeq_rex64): Likewise.
1060         (*vec_dupv4si): Likewise.
1061         (<sse>_movmskp<ssemodesuffixf2c>): Likewise.
1062         (sse2_pmovmskb): Likewise.
1063         (*sse2_maskmovdqu): Likewise.
1064         (*sse2_maskmovdqu_rex64): Likewise.
1065         (sse_ldmxcsr): Likewise.
1066         (sse_stmxcsr): Likewise.
1067         (abs<mode>2): Likewise.
1068         (sse4_1_movntdqa): Likewise.
1069         (sse4_1_phminposuw): Likewise.
1070         (sse4_1_extendv8qiv8hi2): Likewise.
1071         (*sse4_1_extendv8qiv8hi2): Likewise.
1072         (sse4_1_extendv4qiv4si2): Likewise.
1073         (*sse4_1_extendv4qiv4si2): Likewise.
1074         (sse4_1_extendv2qiv2di2): Likewise.
1075         (*sse4_1_extendv2qiv2di2): Likewise.
1076         (sse4_1_extendv4hiv4si2): Likewise.
1077         (*sse4_1_extendv4hiv4si2): Likewise.
1078         (sse4_1_extendv2hiv2di2): Likewise.
1079         (*sse4_1_extendv2hiv2di2): Likewise.
1080         (sse4_1_extendv2siv2di2): Likewise.
1081         (*sse4_1_extendv2siv2di2): Likewise.
1082         (sse4_1_zero_extendv8qiv8hi2): Likewise.
1083         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
1084         (sse4_1_zero_extendv4qiv4si2): Likewise.
1085         (*sse4_1_zero_extendv4qiv4si2): Likewise.
1086         (sse4_1_zero_extendv2qiv2di2): Likewise.
1087         (*sse4_1_zero_extendv2qiv2di2): Likewise.
1088         (sse4_1_zero_extendv4hiv4si2): Likewise.
1089         (*sse4_1_zero_extendv4hiv4si2): Likewise.
1090         (sse4_1_zero_extendv2hiv2di2): Likewise.
1091         (*sse4_1_zero_extendv2hiv2di2): Likewise.
1092         (sse4_1_zero_extendv2siv2di2): Likewise.
1093         (*sse4_1_zero_extendv2siv2di2): Likewise.
1094         (sse4_1_ptest): Likewise.
1095         (sse4_1_roundp<ssemodesuffixf2c>): Likewise.
1096         (sse4_2_pcmpestri): Likewise.
1097         (sse4_2_pcmpestrm): Likewise.
1098         (sse4_2_pcmpistri): Likewise.
1099         (sse4_2_pcmpistrm): Likewise.
1100         (aesimc): Likewise.
1101         (aeskeygenassist): Likewise.
1102
1103 2008-08-28  Uros Bizjak  <ubizjak@gmail.com>
1104
1105         * config/i386/predicates.md (vzeroall_operation): New.
1106
1107         * config/i386/sse.md (avx_vzeroall): New.
1108         (*avx_vzeroall): Likewise.
1109
1110 2008-08-28  Paul Brook  <paul@codesourcery.com>
1111             Mark Shinwell  <shinwell@codesourcery.com>
1112             Richard Earnshaw  <richard.earnshaw@arm.com>
1113
1114         * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New.
1115         (TARGET_MIN_ANCHOR_OFFSET): New.
1116         (arm_override_options): Set correct anchor ranges for Thumb-1
1117         and Thumb-2 if required.
1118         (legitimize_pic_address): Handle case involving a TLS symbol
1119         reference with an addend.
1120         (arm_optimization_options): Enable section anchors at -O1 and
1121         above.
1122         * config/arm/arm.h (OPTIMIZATION_OPTIONS): New.
1123         * config/arm/arm-protos.h (arm_optimization_options): New.
1124
1125 2008-08-28  Nick Clifton  <nickc@redhat.com>
1126
1127         * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define.
1128         * config/stormy16/stormy16.md (zero_extendqihi2): Fix length
1129         attribute.
1130
1131         * config/v850/v850.h (IRA_COVER_CLASSES): Define.
1132         * config/v850/v850.md (return): Remove frame size restriction.
1133
1134         * config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
1135
1136         * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define.
1137
1138         * config/fr30/fr30.h (IRA_COVER_CLASSES): Define.
1139
1140         * config/m32r/m32r.h (IRA_COVER_CLASSES): Define.
1141
1142 2008-08-28  Paul Brook  <paul@codesourcery.com>
1143
1144         * config/arm/vfp11.md: Update license notice.
1145         * config/arm/cortex-r4.md: Ditto.
1146
1147 2008-08-28  Richard Guenther  <rguenther@suse.de>
1148
1149         PR tree-optimization/37207
1150         * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix
1151         tuplification bug.
1152
1153 2008-08-28  Dodji Seketeli  <dodji@redhat.com>
1154
1155         PR c++/36741
1156         * tree.c (int_fits_type_p): Don't forget unsigned integers
1157           of type sizetype which higher end word equals -1.
1158
1159 2008-08-28  Ira Rosen  <irar@il.ibm.com>
1160
1161         * target.h (struct vectorize): Add new target builtin.
1162         * tree-vectorizer.c (destroy_loop_vec_info): Call
1163         vect_free_slp_instance instead of vect_free_slp_node.
1164         * tree-vectorizer.h (enum slp_load_perm_type): New.
1165         (struct _slp_instance): Add new fields.
1166         (SLP_INSTANCE_LOAD_PERMUTATION): New.
1167         (SLP_INSTANCE_LOADS): New.
1168         (vect_free_slp_tree): Remove.
1169         (vect_free_slp_instance): Declare.
1170         (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
1171         (vectorizable_load): Add argument.
1172         (vect_transform_slp_perm_load): New.
1173         * tree-vect-analyze.c (vect_analyze_operations): Add an argument to
1174         vectorizable_load.
1175         (vect_get_place_in_interleaving_chain): New function.
1176         (vect_free_slp_tree): Make static.
1177         (vect_free_slp_instance): New function.
1178         (vect_build_slp_tree): Add new arguments. Allow load permutations and
1179         collect the load location in the interleaving chain.
1180         (vect_supported_slp_permutation_p): New function.
1181         (vect_supported_load_permutation_p): Likewise.
1182         (vect_analyze_slp_instance): In case of loads permutation, call
1183         vect_supported_load_permutation_p to check that the permutation is
1184         supported.
1185         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
1186         * tree-vect-transform.c (vect_transform_stmt): Add new argument.
1187         (vect_create_mask_and_perm): New function.
1188         (vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
1189         (vectorizable_load): Add an argument. Don't keep the created vectors
1190         statements in the node if permutation is required. Call
1191         vect_transform_slp_perm_load to generate the permutation.
1192         (vect_transform_stmt): Add new argument. Call vectorizable_load with
1193         additional argument.
1194         (vect_schedule_slp_instance): In case of loads permutation, allocate
1195         vectorized statements structure for all the related SLP nodes. Call
1196         vect_transform_stmt with addditional argument.
1197         (vect_transform_loop): Call vect_transform_stmt with correct arguments.
1198         * config/spu/spu.c (spu_builtin_vec_perm): New.
1199         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1200         * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
1201         * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
1202         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1203
1204 2008-08-28  Chris Fairles  <chris.fairles@gmail.com>
1205
1206         * gthr-posix.h (__gthread_create,  __gthread_join, __gthread_detach,
1207         __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock,
1208         __gthread_cond_signal, __gthread_cond_timedwait,
1209         __gthread_cond_timedwait_recursive): New functions.
1210         * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait):
1211         Likewise.
1212         * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming
1213         thread interfaces.
1214
1215 2008-08-28  Richard Guenther  <rguenther@suse.de>
1216
1217         PR middle-end/37005
1218         * fold-const.c (maybe_canonicalize_comparison_1): Require
1219         undefined overflow only for canonicalizing A +- CST cmp CST.
1220         Make sure to not generate new constants that are not inside
1221         their TYPE_MIN/MAX_VALUE range.
1222         (maybe_canonicalize_comparison): Remove undefined overflow
1223         checking from here.
1224         (fold_binary): Remove now duplicate folding.
1225
1226 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1227
1228         * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT
1229         use not updated in the last change.
1230
1231 2008-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
1232
1233         * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS.
1234         (IRA_COVER_CLASSES): Add FPUL_REGS.
1235
1236 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1237
1238         PR 37217
1239         * c-common.c (conversion_warning): Check for null operands.
1240
1241 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1242
1243         PR c/31673
1244         * c-decl.c (check_for_loop_decls): Improve error message. Give
1245         hint.
1246
1247 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1248
1249         PR c/37186
1250         * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter.
1251         (convert_for_assignment): Pass corrent OPT_W* parameter to
1252         WARN_FOR_ASSIGNMENT.
1253
1254 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1255
1256         PR c++/35321
1257         * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
1258
1259 2008-08-27  Paul Brook  <paul@codesourcery.com>
1260
1261         * config.gcc: Loosen checks for arm uclinux eabi targets.
1262
1263 2008-08-27  Paul Brook  <paul@codesourcery.com>
1264
1265         * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on
1266         _clzsi2.
1267         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
1268
1269 2008-08-26  Douglas Gregor  <doug.gregor@gmail.com>
1270
1271         * c-common.c (do_switch_warnings): Look through the CONST_DECLs in
1272         the enumerators of an ENUMERAL_TYPE.
1273         * dbxout.c (dbxout_type): Ditto.
1274
1275 2008-08-26  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1276
1277         PR rtl-opt/37219
1278         * fwprop.c (fwprop): Check that the loop_father is the outer loop.
1279         (fwprop_addr): Check that the loop_father is not the outer loop.
1280
1281 2008-08-26  Paul Brook  <paul@codesourcery.com>
1282
1283         * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types.
1284         Remove documentation entry for fmul type.
1285         Use fmuls to annotate single-precision multiplication patterns,
1286         fmuld to annotate double-precision multiplication patterns,
1287         fmacs to annotate single-precision multiply-accumulate patterns
1288         and fmacd to annotate double-precision multiply-accumulate patterns.
1289         * config/arm/vfp11.md: Update reservations accordingly.
1290         * config/arm/arm.md: Note that certain values of the "type"
1291         attribute are documented in vfp.md.
1292         * config/arm/arm1020e.md: Remove out of date duplicate comment.
1293         (v10_cvt): Use new fmul types.
1294
1295 2008-08-26  Paul Brook   <paul@codesourcery.com>
1296
1297         * config/arm/vfp.md: Move pipeline description for VFP11 to...
1298         * config/arm/vfp11.md: ...here.  New.
1299         * config/arm/arm.md: Include vfp11.md.
1300
1301 2008-08-26  Hans-Peter Nilsson  <hp@axis.com>
1302
1303         * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing
1304         parameter to inform call.
1305
1306 2008-08-26  Jeff Law  <law@redhat.com>
1307
1308         * mn10300.md (movqi, movhi): Split i->d*a case into two cases to
1309         avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
1310         preferred class when copying a constant into a partial word register.
1311
1312 2008-08-26  Ben Elliston  <bje@au.ibm.com>
1313
1314         * rtlanal.c: Fix uses of "it's" with "its" where appropriate.
1315         * cp/typeck.c: Likewise.
1316         * cp/tree.c: Likewise.
1317         * gimple-low.c: Likewise.
1318         * jump.c: Likewise.
1319
1320 2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>
1321
1322         * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
1323         ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
1324
1325         * doc/passes.texi: Describe IRA.
1326
1327         * doc/tm.texi (IRA_COVER_CLASSES,
1328         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
1329
1330         * doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
1331         (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
1332         -fira-propagate-cost, -fno-ira-share-save-slots,
1333         -fno-ira-share-spill-slots, -fira-verbose): Describe new options.
1334
1335         * flags.h (ira_algorithm): New enumeration.
1336         (flag_ira_algorithm, flag_ira_verbose): New external variable
1337         declarations.
1338
1339         * postreload.c (gate_handle_postreload): Don't do post reload
1340         optimizations unless the reload is completed.
1341
1342         * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
1343         IRA.
1344
1345         * tree-pass.h (pass_ira): New external variable declaration.
1346
1347         * reload.h: Add 2008 to the Copyright.
1348
1349         * cfgloopanal.c: Include params.h.
1350         (estimate_reg_pressure_cost): Decrease cost for IRA optimization
1351         mode.
1352
1353         * params.h (IRA_MAX_LOOPS_NUM): New macro.
1354
1355         * toplev.c (ira.h): New include.
1356         (flag_ira_algorithm, flag_ira_verbose): New external variables.
1357         (backend_init_target): Call ira_init.
1358         (backend_init): Call ira_init_once.
1359         (finalize): Call finish_ira_once.
1360
1361         * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
1362         flag_ira_share_save_slots, flag_ira_share_spill_slots): New
1363         external variables.
1364
1365         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1366         may_move_out_cost): New external variable declarations.
1367         (move_table): New typedef.
1368
1369         * caller-save.c: Include headers output.h and ira.h.
1370         (no_caller_save_reg_set): New global variable.
1371         (save_slots_num, save_slots): New variables.
1372         (reg_save_code, reg_restore_code, add_stored_regs): Add
1373         prototypes.
1374         (init_caller_save): Set up no_caller_save_reg_set.
1375         (init_save_areas): Reset save_slots_num.
1376         (saved_hard_reg): New structure.
1377         (hard_reg_map, saved_regs_num, all_saved_regs): New variables.
1378         (initiate_saved_hard_regs, new_saved_hard_reg,
1379         finish_saved_hard_regs, saved_hard_reg_compare_func): New
1380         functions.
1381         (setup_save_areas): Add code for sharing stack slots.
1382         (all_blocks): New variable.
1383         (save_call_clobbered_regs): Process pseudo-register too.
1384         (mark_set_regs): Process pseudo-register too.
1385         (insert_one_insn): Put the insn after bb note in a empty basic
1386         block.  Add insn check.
1387
1388         * global.c (eliminable_regset): Make it external.
1389         (mark_elimination): Use DF_LR_IN for IRA.
1390         (pseudo_for_reload_consideration_p): New.
1391         (build_insn_chain): Make it external.  Don't ignore spilled
1392         pseudos for IRA.  Use pseudo_for_reload_consideration_p.
1393         (gate_handle_global_alloc): New function.
1394         (pass_global_alloc): Add the gate function.
1395
1396         * opts.c (decode_options): Set up flag_ira.  Print the warning for
1397         -fira.
1398         (common_handle_option): Process -fira-algorithm and -fira-verbose.
1399
1400         * timevar.def (TV_IRA, TV_RELOAD): New passes.
1401
1402         * regmove.c (regmove_optimize): Don't do replacement of output for
1403         IRA.
1404
1405         * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
1406         New external variable declarations.
1407
1408         * local-alloc.c (update_equiv_regs): Make it external.  Return
1409         true if jump label rebuilding should be done.  Rescan new_insn for
1410         notes.
1411         (gate_handle_local_alloc): New function.
1412         (pass_local_alloc): Add the gate function.
1413
1414         * alias.c (value_addr_p, stack_addr_p): New functions.
1415         (nonoverlapping_memrefs_p): Use them for IRA.
1416
1417         * common.opt (fira, fira-algorithm, fira-coalesce,
1418         fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
1419         fira-verbose): New options.
1420
1421         * regclass.c (reg_class_subclasses, contains_reg_of_mode,
1422         move_cost, may_move_in_cost, may_move_out_cost): Make the
1423         variables external.
1424         (move_table): Remove typedef.
1425         (init_move_cost): Make it external.
1426         (allocate_reg_info, resize_reg_info, setup_reg_classes): New
1427         functions.
1428
1429         * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
1430         setup_reg_classes): New function prototypes.
1431         (eliminable_regset): New external variable declaration.
1432         (build_insn_chain, update_equiv_regs): New function prototypes.
1433
1434         * Makefile.in (IRA_INT_H): New definition.
1435         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1436         ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
1437         (reload1.o, toplev.o): Add dependence on ira.h.
1438         (cfgloopanal.o): Add PARAMS_H.
1439         (caller-save.o): Add dependence on output.h and ira.h.
1440         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1441         ira-emit.o, ira-lives.o): New entries.
1442
1443         * passes.c (pass_ira): New pass.
1444
1445         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
1446
1447         * reload1.c (ira.h): Include the header.
1448         (changed_allocation_pseudos): New bitmap.
1449         (init_reload): Initiate the bitmap.
1450         (compute_use_by_pseudos): Permits spilled registers in FROM.
1451         (temp_pseudo_reg_arr): New variable.
1452         (reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
1453         IRA.  Call alter_reg with the additional parameter.  Don't clear
1454         spilled_pseudos for IRA.  Restore original insn chain for IRA.
1455         Clear changed_allocation_pseudos at the end of reload.
1456         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
1457         (hard_regno_to_pseudo_regno): New variable.
1458         (count_pseudo): Check spilled pseudos.  Set up
1459         hard_regno_to_pseudo_regno.
1460         (count_spilled_pseudo): Check spilled pseudos. Update
1461         hard_regno_to_pseudo_regno.
1462         (find_reg): Use better_spill_reload_regno_p.  Check
1463         hard_regno_to_pseudo_regno.
1464         (alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
1465         code for IRA.
1466         (eliminate_regs_1): Use additional parameter for alter_reg.
1467         (finish_spills): Set up pseudo_previous_regs only for spilled
1468         pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
1469         more arguments.  Don't clear live_throughout and dead_or_set for
1470         spilled pseudos.  Use additional parameter for alter_reg.  Call
1471         mark_allocation_change.  Set up changed_allocation_pseudos.
1472         Remove sanity check.
1473         (emit_input_reload_insns, delete_output_reload): Use additional
1474         parameter for alter_reg.  Call mark_allocation_change.
1475         (substitute, gen_reload_chain_without_interm_reg_p): New
1476         functions.
1477         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
1478
1479         * testsuite/gcc.dg/20080410-1.c: New file.
1480
1481         * config/s390/s390.h (IRA_COVER_CLASSES,
1482         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
1483
1484         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1485
1486         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1487
1488         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1489
1490         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1491
1492         * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
1493
1494         * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
1495
1496         2008-08-24  Jeff Law  <law@redhat.com>
1497         * ira.c (setup_reg_class_intersect_union): Prefer smallest class
1498         when ignoring unavailable registers.
1499
1500         2008-08-24  Jeff Law  <law@redhat.com>
1501         * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
1502         FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
1503         * ira.c (setup_eliminable_regset): Check stack_realign_needed.
1504         * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
1505
1506         2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
1507         * ira-build.c (allocno_range_compare_func): Stabilize sort.
1508
1509         2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
1510         * config/avr/avr.h (IRA_COVER_CLASSES): New macro.
1511         * reload1.c (find_reg): Process registers in register allocation order.
1512
1513         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1514         * toplev.c (backend_init_target): Move ira_init call from
1515         here...
1516         (lang_dependent_init_target): ...to here.
1517
1518         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1519         * ira.c (setup_class_subset_and_memory_move_costs): Don't
1520         calculate memory move costs for NO_REGS.
1521
1522         2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
1523         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
1524         STACK_REGS is defined.
1525
1526         2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1527         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
1528
1529         2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
1530         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
1531
1532         2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
1533         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
1534         * config/sh/sh.md (movsicc_true+3): Check if emit returns a
1535         barrier.
1536
1537 2008-08-26  Victor Kaplansky  <victork@il.ibm.com>
1538             Dorit Nuzman  <dorit@il.ibm.com>
1539
1540         * gcc/config/spu/spu.md (vec_extract_evenv4si,
1541         vec_extract_evenv4sf, vec_extract_evenv8hi,
1542         vec_extract_evenv16qi, vec_extract_oddv4si,
1543         vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
1544         vec_interleave_highv4sf, vec_interleave_lowv4sf,
1545         vec_interleave_highv4si, vec_interleave_lowv4si,
1546         vec_interleave_highv8hi, vec_interleave_lowv8hi,
1547         vec_interleave_highv16qi, vec_interleave_lowv16qi,
1548         vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S
1549
1550 2008-08-25  Janis Johnson  <janis187@us.ibm.com>
1551
1552         PR target/36756
1553         * config/rs6000/rs6000.c (optimization_options): Don't default to
1554         section anchors without toplevel reorder.
1555
1556 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1557
1558         * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function.
1559         (mfc_end_critical_section): Likewise.
1560
1561 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1562
1563         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate
1564         all type qualifiers from element type to vector type.
1565
1566 2008-08-25  David Daney  <ddaney@avtrex.com>
1567
1568         * config/mips/mips.md (immediate_insn): Move up in file, fix
1569         comment typo, reformat.
1570         (fetchop_bit, atomic_hiqi_op memory_barrier,
1571         sync_compare_and_swap<mode>, compare_and_swap_12, sync_add<mode>,
1572         sync_<optab><mode>, sync_<optab>_12, sync_old_<optab><mode>,
1573         sync_old_<optab>_12, sync_new_<optab><mode>, sync_new_<optab>_12,
1574         sync_nand<mode>, sync_nand_12, sync_old_nand<mode>,
1575         sync_old_nand_12, sync_new_nand<mode>, sync_new_nand_12,
1576         sync_sub<mode>, sync_old_add<mode>, sync_old_sub<mode>,
1577         sync_new_add<mode>, sync_new_sub<mode>, sync_<optab><mode>,
1578         sync_old_<optab><mode>, sync_new_<optab><mode>, sync_nand<mode>,
1579         sync_old_nand<mode>, sync_new_nand<mode>,
1580         sync_lock_test_and_set<mode>, sync_lock_test_and_set<mode>,
1581         test_and_set_12): Moved to sync.md.
1582         (sync.md): Include.
1583         * config/mips/sync.md: New file.
1584
1585 2008-08-25  Richard Henderson  <rth@redhat.com>
1586
1587         * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT.
1588         (regsave): Likewise.
1589         (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT.
1590         (output_cfi_directive): Likewise.
1591         (div_data_align): New.
1592         (output_cfi): Use it.
1593
1594 2008-08-24  Adam Nemet  <anemet@caviumnetworks.com>
1595
1596         * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*.
1597         * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON.
1598         (TARGET_OCTEON): New macro.
1599         (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon.
1600         (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon.
1601         (ISA_HAS_POP): New macro.
1602         * config/mips/driver-native.c (host_detect_local_cpu): Handle
1603         Octeon.
1604         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1605         Handle Octeon.
1606         * config/mips/mips.md (cpu): Add octeon.
1607         (type): Add pop attribute value.
1608         (popcount<mode>2): New pattern.
1609         * doc/invoke.texi (-march=@var{arch}): Add octeon.
1610
1611 2008-08-24  Jan Hubicka  <jh@suse.cz>
1612
1613         * doc/invoke.texi (-fipa-cp-clone): New option.
1614         (-fipa-cp): Update docs.
1615         (--param ipcp-unit-growth):New.
1616         * ipa-cp.c: Include fibheap.h, params.h
1617         (ipcp_initialize_node_lattices): When not cloning, all externally
1618         visible functions are bottom.
1619         (ipcp_need_redirect_p): Accept clones.
1620         (ipcp_insert_stage): Use cost driven heuristics.
1621         (max_count, dead_nodes): New static vars.
1622         (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost,
1623         ipcp_const_param_count): New functions.
1624         * common.opt (ipa-cp-clone): New command line option.
1625         * params.def (ipcp-unit-growth): New.
1626
1627 2008-08-24  Jan Hubicka  <jh@suse.cz>
1628
1629         * tree-inline.c (tree_function_versioning): Look harder
1630         for referenced vars.
1631
1632 2008-08-24  Razya Ladelsky  <razya@il.ibm.com>
1633
1634         PR tree-optimization/37185
1635         * matrix-reorg.c (transform_access_sites): Update changed stmt.
1636
1637 2008-08-23  Jan Hubicka  <jh@suse.cz>
1638
1639         * ipa-cp.c (ipcp_analyze_node): New function.
1640         (ipcp_update_cloned_node): Use it.
1641         (ipcp_init_stage): Likewise.
1642         * ipa-inline.c (function_insertion_hook_holder): New static var.
1643         (analyze_function): Break out from ....
1644         (inline_generate_summary): Here; register insertion hook.
1645         (cgraph_decide_inlining): Remove hook.
1646         (add_new_function): New function.
1647
1648 2008-08-23  Jan Hubicka  <jh@suse.cz>
1649
1650         * opts.c (decode_options): Revert accidental change enabling ipa-cp.
1651
1652 2008-08-23  Jan Hubicka  <jh@suse.cz>
1653
1654         * ipa-cp.c (constant_val_insert): Remove.
1655         (ipcp_propagate_one_const): Remove.
1656         (ipcp_create_replace_map): Always insert replacements to the map.
1657         (ipcp_insert_stage): Do not try to insert statements by hand.
1658         * tree-inline.c (insert_init_stmt): Break out from ...
1659         (setup_one_parameter): ... here; allow NULL BB pointer.
1660         (tree_function_versioning): Use setup_one_parameter to process
1661         replacement map.
1662
1663 2008-08-23  Jan Hubicka  <jh@suse.cz>
1664
1665         * tree.c (decl_address_ip_invariant_p): New function.
1666         * tree.h (decl_address_ip_invariant_p): Declare.
1667         * gimple.c (strip_invariant_refs): Break out from ...
1668         (is_gimple_invariant_address): ... here
1669         (is_gimple_ip_invariant_address): New function.
1670         (is_gimple_ip_invariant): New function.
1671         * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant):
1672         Declare.
1673
1674         * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF.
1675         (ipcp_lat_is_insertable): All constants are insertable.
1676         (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of
1677         IPA_CONST_VALUE_REF.
1678         (ipcp_initialize_node_lattices): Propagate all types of operands.
1679         (build_const_val): Do not handle IPA_CONST_VALUE_REF.
1680         (ipcp_create_replace_map): Reformat.
1681         (ipcp_need_redirect_p): Simplify.
1682         (ipcp_insert_stage): Check that argument is used before clonning.
1683         * ipa-prop.c (ipa_print_node_jump_functions): Do not handle IPA_CONST_REF.
1684         (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat.
1685         (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members.
1686         (update_call_notes_after_inlining): Expect ADDR_EXPR in operand.
1687         * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF.
1688         (jump_func_type): Remove IPA_CONST_VALUE_REF.
1689         * tree-inline.c (tree_function_versioning): Add variables referenced by
1690         replacing trees.
1691
1692 2008-08-23  Jan Hubicka  <jh@suse.cz>
1693
1694         PR target/37094
1695         * i386.c (standard_80387_constant_p): Use optimize_size.
1696
1697 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1698
1699         PR tree-optimization/37161
1700         * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare.
1701         * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function.
1702         (vect_determine_vectorization_factor): Move the scalar type
1703         retrieval to vect_get_smallest_scalar_type.
1704         (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get
1705         scalar type. Remove redundant computation.
1706         * tree-vect-transform.c (vect_get_constant_vectors): Add argument.
1707         (vect_get_slp_defs): Take the type of RHS into account if
1708         necessary by calling vect_get_smallest_scalar_type. Call
1709         vect_get_constant_vectors with additional argument.
1710
1711 2008-08-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1712
1713         PR 35648
1714         * doc/invoke.texi (Wwrite-strings): Clarify description.
1715
1716 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1717
1718         PR tree-optimization/37174
1719         * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the
1720         def stmt is a part of the loop before accessing its stmt_vec_info.
1721
1722 2008-08-22  Anatoly Sokolov  <aesok@post.ru>
1723
1724         PR target/11259
1725         * config/avr/avr.md (UNSPEC_SWAP): New constants.
1726         (*swap): New insn pattern.
1727         (*ashlqi3): Rename from ashlqi3 insn pattern.
1728         (ashlqi3): New expanders.
1729         (*lshrqi3): Rename from lshrqi3 insn pattern.
1730         (lshrqi3): New expanders.
1731         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
1732         lshrqi3_const5, lshrqi3_const6): New splitters.
1733         (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
1734         lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
1735         peephole2 patterns.
1736
1737 2008-08-22  Richard Guenther  <rguenther@suse.de>
1738
1739         PR tree-optimization/37078
1740         * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
1741         [+INF, +INF] ranges.
1742
1743 2008-08-22  Richard Guenther  <rguenther@suse.de>
1744
1745         PR tree-optimization/37143
1746         * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
1747         a conversion statement instead of a copy.
1748
1749 2008-08-22  Uros Bizjak  <ubizjak@gmail.com>
1750
1751         PR target/37184
1752         * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
1753         CCCmode, CCOmode and CCSmode destination modes.
1754
1755         PR target/37191
1756         * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
1757         from different units in a single alternative.
1758         (*vec_extractv2sf_1): Ditto.
1759         (*vec_extractv2si_0): Ditto.
1760         (*vec_extractv2si_1): Ditto.
1761         * config/i386/sse.md (sse2_storehpd): Ditto.
1762         (sse2_storelpd): Ditto.
1763         (sse2_loadhpd): Ditto.
1764         (sse2_loadlpd): Ditto.
1765
1766         PR target/37197
1767         * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
1768         (popcountsi2): Ditto.
1769         (clzdi2_abm): Ditto.
1770         (popcountdi2): Ditto.
1771         (clzhi2_abm): Ditto.
1772         (popcounthi2): Ditto.
1773
1774 2008-08-22  Richard Guenther  <rguenther@suse.de>
1775
1776         PR middle-end/36548
1777         PR middle-end/37125
1778         * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
1779         if the multiplication does not overflow.
1780
1781 2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>
1782
1783         * c-ppoutput.c (init_pp_output): Initialize src_line to 1.
1784
1785 2008-08-21  Richard Henderson  <rth@redhat.com>
1786
1787         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
1788         spurrious comma from test.
1789         * configure: Rebuild.
1790
1791 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1792
1793         PR 30457
1794         * builtins.c (fold_builtin_next_arg): Add warning about undefined
1795         behaviour.
1796
1797 2008-08-21  Aldy Hernandez  <aldyh@redhat.com>
1798
1799         * c-tree.h (grokfield): New argument.
1800         * c-decl.c (grokfield): Handle new location argument.
1801         * c-parser.c (c_parser_struct_declaration): Pass location to
1802         grokfield.
1803
1804 2008-08-21  Richard Guenther  <rguenther@suse.de>
1805
1806         * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.
1807
1808 2008-08-21  Jan Hubicka  <jh@suse.cz>
1809
1810         * cgraph.c (first_cgraph_function_insertion_hook): New variable.
1811         (cgraph_add_function_insertion_hook,
1812         cgraph_remove_function_insertion_hook,
1813         cgraph_call_function_insertion_hooks): New functions.
1814         * cgraph.h (cgraph_add_function_insertion_hook,
1815         cgraph_remove_function_insertion_hook,
1816         cgraph_call_function_insertion_hooks): Declare.
1817         * ipa-reference.c (function_insertion_hook_holder): New variable.
1818         (check_operand, look_for_address_of): When checking late, do not care
1819         about module bitmaps.
1820         (add_new_function): New function.
1821         (generate_summary): Register hooks; zero module bitmaps.
1822         (propagate): Unregister hooks.
1823         * ipa-pure-const.c (function_insertion_hook_holder): New variable.
1824         (add_new_function): New function.
1825         (generate_summary): Register hook.
1826         (propagate): Remove hook.
1827
1828         * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.
1829
1830         * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
1831         * ipa-cp.c (ipcp_update_cloned_node): New function.
1832         (build_const_val): Handle functions correctly; bring type logic
1833         into sync with tree-inline.c
1834         (ipcp_init_stage):  Take care of computing stuff needed by
1835         indirect inlining; update clones.
1836         (ipcp_generate_summary): Break out of ipcp_driver.
1837         (ipcp_driver): Do only execution and transformation.
1838         (pass_ipa_cp): Make IPA_PASS.
1839         * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
1840         offset to address.
1841         * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
1842         ipcp, some info is already available.
1843         * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
1844         * tree-inline.c (remap_ssa_name): Unshare expression.
1845
1846 2008-08-21  Richard Guenther  <rguenther@suse.de>
1847
1848         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1849         a PHI ask VN if it is already available.
1850         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1851         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1852
1853 2008-08-21  Richard Guenther  <rguenther@suse.de>
1854
1855         PR middle-end/36817
1856         * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
1857         makes sure to produce a result of the correct type.
1858
1859 2008-08-21  Jan Hubicka  <jh@suse.cz>
1860         Backport from LTO branch:
1861
1862         2008-05-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1863                     Jan Hubicka  <jh@suse.cz>
1864
1865         * ipa-pure-const.c
1866         (init_state, finish_state, set_function_state, generate_summary):
1867         New functions.
1868         (scan_stmt): Renamed from scan_function.  Changed to keep state in
1869         local static vars rather than cgraph aux field.
1870         (propagate): Renamed from static_execute. Changed to keep state in
1871         local static vars rather than cgraph aux field.
1872         (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
1873         * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.
1874
1875         2008-07-15  Kenneth Zadeck <zadeck@naturalbridge.com>
1876
1877         * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
1878         * ipa-reference.c (init_function_info, generate_summary,
1879         propagate): New functions.
1880         (analyze_function):  Call init_function_info.
1881         (static_execute): Stripped into generate_summary and propagate.
1882         (pass_ipa_reference): Made into ipa_opt_pass.
1883
1884 2008-08-21  Richard Guenther  <rguenther@suse.de>
1885
1886         PR tree-optimization/37181
1887         * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
1888         folding result.
1889         (extract_range_from_unary_expr): Likewise.
1890
1891 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1892
1893         * diagnostic.c (pedwarn_at): Rename as pedwarn.
1894         (pedwarn): Delete.
1895         * toplev.h (pedwarn_at): Likewise.
1896         * builtins.c: Update all calls to pedwarn.
1897         * c-lex.c: Likewise.
1898         * toplev.c: Likewise.
1899         * c-tree.h: Likewise.
1900         * c-decl.c: Likewise.
1901         * c-errors.c: Likewise.
1902         * c-typeck.c: Likewise.
1903         * c-common.c: Likewise.
1904         * c-parser.c: Likewise.
1905
1906 2008-08-20  Joseph Myers  <joseph@codesourcery.com>
1907
1908         PR target/31070
1909         * config/sparc/sparc.c (function_arg_slotno): Handle structure
1910         with MODE_VECTOR_INT mode.
1911
1912 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1913
1914         PR middle-end/179
1915         * tree-ssa.c (warn_uninit): Do not warn for variables that can be
1916         initialized outside the current module.
1917         (warn_uninitialized_var): Ignore left-hand side when walking the
1918         trees. Ignore address expressions. Examine VUSE operands in gimple
1919         statements with a variable declaration on the right-hand side.
1920
1921 2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>
1922
1923         PR bootstrap/37155
1924         * rtlanal.c (subreg_offset_representable_p): Revert last change.
1925
1926 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1927
1928         PR 35701
1929         * c-common.c (conversion_warning): Do not warn if applying bit-and
1930         operator to unsigned constant that fits in the target type.
1931
1932 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1933
1934         PR c++/35602
1935         * c-common.c (conversion_warning): Do not warn for artificial
1936         expressions.
1937
1938 2008-08-20  Richard Guenther  <rguenther@suse.de>
1939
1940         * tree-vrp.c (op_with_constant_singleton_value_range): New function.
1941         (extract_range_from_binary_expr): Fall back to constant propagation.
1942         (extract_range_from_unary_expr): Likewise.
1943
1944 2008-08-20  Richard Guenther  <rguenther@suse.de>
1945
1946         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
1947         with TREE_THIS_VOLATILE on shared nodes.
1948         (fold_stmt_r): Likewise.
1949
1950 2008-08-20  Jakub Jelinek  <jakub@redhat.com>
1951
1952         PR c/37171
1953         * c-parser.c (c_parser_attributes): For keywords use canonical
1954         spelling for attr_name.
1955
1956 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1957
1958         * value-prof.c (check_counter): Revert wrong call to error.
1959
1960 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1961
1962         * profile.c: Update calls to inform.
1963         * value-prof.c: Update calls to inform.
1964
1965 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1966
1967         * diagnostic.c (inform): Add an explicit location_t parameter.
1968         * toplev.h (inform): Update declaration.
1969         * builtins.c: Update all calls to inform.
1970         * c-common.c: Likewise.
1971         * c-decl.c: Likewise.
1972         * c-opts.c: Likewise.
1973         * c-pch.c: Likewise.
1974         * c-pragma.c: Likewise.
1975         * c-typeck.c: Likewise.
1976         * coverage.c: Likewise.
1977         * opts.c: Likewise.
1978         * toplev.c: Likewise.
1979         * tree-cfg.c: Likewise.
1980         * tree-ssa.c: Likewise.
1981
1982 2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1983
1984         PR target/37169
1985         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
1986         V2DI mode, for SSE4.1, use movq instead of vector set if the
1987         second element is zero and inter-unit moves are OK.
1988
1989 2008-08-20  Richard Guenther  <rguenther@suse.de>
1990
1991         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
1992         properly handle conversion/copy chains after tuplification.
1993
1994 2008-08-20  Richard Guenther  <rguenther@suse.de>
1995
1996         * passes.c (init_optimization_passes): Move the second
1997         forwprop pass before alias computation.  Remove the second
1998         DCE pass.  Remove the first dominator and phi copy/const
1999         prop passes.
2000
2001 2008-08-20  Nick Clifton  <nickc@redhat.com>
2002
2003         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
2004         support of this feature.  Do not assume that a sufficiently new
2005         assembler will support the feature regardless of the target type.
2006         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
2007         * configure: Regenerate.
2008
2009 2008-08-20  Richard Guenther  <rguenther@suse.de>
2010
2011         * tree-vrp.c (found_in_subgraph): Remove.
2012         (live): New global static.
2013         (live_on_edge): New function.
2014         (blocks_visited): Remove.
2015         (register_edge_assert_for_2): Use live_on_edge.
2016         (find_conditional_asserts): Remove code dealing with
2017         found_in_subgraph.  Do not walk the CFG.
2018         (find_switch_asserts): Likewise.
2019         (find_assert_locations_1): Renamed from find_assert_locations.
2020         Move finding assert locations for conditional and switch
2021         statements first.  Update live bitmap.  Do not walk the CFG.
2022         (find_assert_locations): New function.
2023         (insert_range_assertions): Remove entry of CFG walk.
2024         Adjust call to find_assert_locations.
2025         * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
2026         that only can appear because of fake exit edges but assert we
2027         never try to insert on those.
2028         (fini_pre): Do not remove fake exit edges here...
2029         (execute_pre): ...but here, before committing edge inserts.
2030
2031 2008-08-19  Richard Guenther  <rguenther@suse.de>
2032
2033         * passes.c (init_optimization_passes): Exchange store-ccp
2034         with a ccp pass.
2035
2036 2008-08-19  Rafael Espindola  <espindola@google.com>
2037
2038         * varasm.c (weak_decls): Move earlier in the file.
2039         (assemble_external): Add weak decls to the weak_decls list.
2040         (declare_weak): Don't add decls to the weak_decls list.
2041
2042 2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>
2043
2044         PR target/37157
2045         * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
2046         before (sse2_shufpd_<mode>).
2047
2048 2008-08-19  Jakub Jelinek  <jakub@redhat.com>
2049
2050         PR debug/37156
2051         * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
2052         * tree.c (block_nonartificial_location): Likewise.
2053
2054 2008-08-19  Richard Guenther  <rguenther@suse.de>
2055
2056         PR tree-optimization/35972
2057         PR tree-optimization/23094
2058         * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
2059         parameter.
2060         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
2061         handle MISALIGNED_INDIRECT_REF.
2062         (get_ref_from_reference_ops): New helper.
2063         (vn_reference_lookup_pieces): Walk the use-def chain using the
2064         alias-oracle if requested.
2065         * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
2066         walking the use-def chain.
2067         (compute_avail): But not here.
2068         (create_component_ref_by_pieces_1): Properly handle
2069         MISALIGNED_INDIRECT_REF.
2070         (do_regular_insertion): Handle fully redundant
2071         expressions after PHI-translation also for SSA_NAME values, not
2072         only constants.  Correctly use edoubleprime for that.
2073
2074 2008-08-19  Ira Rosen  <irar@il.ibm.com>
2075
2076         * tree-vectorizer.c (supportable_widening_operation): Support
2077         multi-step conversion, return the number of steps in such conversion
2078         and the required intermediate types.
2079         (supportable_narrowing_operation): Likewise.
2080         * tree-vectorizer.h (vect_pow2): New function.
2081         (supportable_widening_operation): Change argument types.
2082         (supportable_narrowing_operation): Likewise.
2083         (vectorizable_type_promotion): Add an argument.
2084         (vectorizable_type_demotion): Likewise.
2085         * tree-vect-analyze.c (vect_analyze_operations): Call
2086         vectorizable_type_promotion and vectorizable_type_demotion with
2087         additional argument.
2088         (vect_get_and_check_slp_defs): Detect patterns.
2089         (vect_build_slp_tree): Add an argument, don't fail in case of multiple
2090         types.
2091         (vect_analyze_slp_instance): Don't fail in case of multiple types. Call
2092         vect_build_slp_tree with correct arguments. Calculate unrolling factor
2093         according to the smallest type in the loop.
2094         (vect_detect_hybrid_slp_stmts): Include statements from patterns.
2095         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
2096         supportable_widening_operation with correct arguments.
2097         * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
2098         operands lists according to the number of vector statements in left
2099         or right node, if exists.
2100         (vect_gen_widened_results_half): Remove unused argument.
2101         (vectorizable_conversion): Call supportable_widening_operation,
2102         supportable_narrowing_operation, and vect_gen_widened_results_half
2103         with correct arguments.
2104         (vectorizable_assignment): Change documentation, support multiple
2105         types in SLP.
2106         (vectorizable_operation): Likewise.
2107         (vect_get_loop_based_defs): New function.
2108         (vect_create_vectorized_demotion_stmts): Likewise.
2109         (vectorizable_type_demotion): Support loop-aware SLP and general
2110         multi-step conversion. Call vect_get_loop_based_defs and
2111         vect_create_vectorized_demotion_stmts for transformation.
2112         (vect_create_vectorized_promotion_stmts): New function.
2113         (vectorizable_type_promotion): Support loop-aware SLP and general
2114         multi-step conversion. Call vect_create_vectorized_promotion_stmts
2115         for transformation.
2116         (vectorizable_store): Change documentation, support multiple
2117         types in SLP.
2118         (vectorizable_load): Likewise.
2119         (vect_transform_stmt): Pass SLP_NODE to
2120         vectorizable_type_promotion and vectorizable_type_demotion.
2121         (vect_schedule_slp_instance): Move here the calculation of number
2122         of vectorized statements for each node from...
2123         (vect_schedule_slp): ... here.
2124         (vect_transform_loop): Call vect_schedule_slp without the last
2125         argument.
2126
2127 2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>
2128
2129         PR bootstrap/37152
2130         * tree-vect-transform.c (vect_create_epilog_for_reduction): Change =
2131         to == in assert statement.
2132         (vectorizable_reduction): Fix typo.
2133
2134 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2135
2136         PR bootstrap/37153
2137         * value-prof.c (check_counter): Dereference pointer to overall
2138         count when printing it.
2139
2140 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2141
2142         * profile.h: Really add it.
2143
2144 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2145
2146         * mcf.c: Really add it.
2147
2148 2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
2149             Vinodha Ramasamy  <vinodha@google.com>
2150
2151         * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
2152         count_scale.
2153         * value-prof.c (check_counter): Fix the counter if
2154         flag_profile_correction is true.
2155         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2156         tree_mod_subtract_transform):
2157         Follow check_counter parameter change.
2158         * common.opt (fprofile-correction): New option.
2159         * mcf.c: New file.
2160         * profile.h: Likewise.
2161         * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
2162         (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
2163         is_inconsistent, set_bb_counts, read_profile_edge_counts): New
2164         functions.
2165         (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
2166         flag_profile_correction is set.
2167
2168 2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>
2169
2170         * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.
2171
2172 2008-08-18  Tomas Bily  <tbily@suse.cz>
2173
2174         * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
2175         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
2176         CONVERT_EXPR_P.
2177         * tree-data-ref.c (split_constant_offset_1): Likewise.
2178         * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
2179         * tree-sra.c (sra_walk_expr): Likewise.
2180         * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
2181         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
2182         * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
2183         * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
2184         Likewise.
2185         * gimple.c (gimple_assign_unary_nop_p): Likewise.
2186         * tree-vect-transform.c (vectorizable_type_demotion)
2187         (vectorizable_type_promotion): Likewise.
2188         * tree-inline.c (expand_call_inline):
2189         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
2190         (forward_propagate_addr_expr_1, forward_propagate_comparison)
2191         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2192         * expr.c (expand_expr_real_1): Likewise.
2193         * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
2194         (gimple_assign_unary_useless_conversion_p): Likewise.
2195         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2196         * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
2197         * fold-const.c (fold_unary): Likewise.
2198         * tree.h (CONVERT_EXPR_P): Likewise.
2199         * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
2200         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
2201         * tree-vrp.c:
2202         (register_edge_assert_for_2, extract_range_from_unary_expr)
2203         (register_edge_assert_for_1): Likewise.
2204
2205 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2206
2207         * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
2208         dconst_third_ptr, dconst_sqrt2_ptr): Declare.
2209         (enum real_value_const): Delete.
2210         (get_real_const): Delete.
2211         * real.c (get_real_const): Delete.
2212         (dconst_e_ptr): Define.
2213         (dconst_third_ptr): Define.
2214         (dconst_sqrt2_ptr): Define.
2215         * builtins.c: Update all callers.
2216
2217 2008-08-18  Richard Guenther  <rguenther@suse.de>
2218
2219         * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
2220         statement iterator after statement removal.
2221
2222 2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>
2223
2224         * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
2225         (detect_processor_freebsd): Likewise.
2226         (host_detect_local_cpu): Call newly added functions for FreeBSD.
2227
2228 2008-08-18  Richard Guenther  <rguenther@suse.de>
2229
2230         * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
2231         and loads have the correct types.
2232
2233 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2234
2235         PR cpp/7263
2236         * c-opts.c (cpp_opts): Remove static.
2237         * c-parser.c (cpp_opts): Declare it extern.
2238         (disable_extension_diagnostics): Handle cpp options.
2239         (enable_extension_diagnostics): Likewise.
2240
2241 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2242
2243         * diagnostics.c (permerror_at): Rename as permerror.
2244         (permerror): Delete.
2245         * toplev.h: Likewise.
2246
2247 2008-08-18  Richard Guenther  <rguenther@suse.de>
2248
2249         * passes.c (init_optimization_passes): Remove cleanup_cfg1,
2250         sdse1 and addressables2 passes.  Replace dce1 with cddce1.
2251         Move call_cdce before build_alias.  Move copyrename2,
2252         cunrolli and ccp2 beafore build_alias.  Re-add addressable2
2253         right after final inlining.
2254         * tree-cfg.c (build_gimple_cfg): Do not dump function here.
2255         (pass_build_cfg): But instead via TODO_dump_func.
2256
2257 2008-08-18  Richard Guenther  <rguenther@suse.de>
2258
2259         * tree-sra.c (generate_element_init_1): Deal with NULL constructor
2260         element index.
2261         (scalarize_init): If we failed to generate some initializers
2262         do not generate zeros for not instantiated members.  Instead
2263         rely on the copy out.
2264         * tree-ssa-operands.c (get_addr_dereference_operands): Warn
2265         about missing flow-sensitive alias info only if we have
2266         aliases computed.
2267
2268 2008-08-17  Nick Clifton  <nickc@redhat.com>
2269
2270         * doc/extend.texi (Function Attributes): Fix typo in description
2271         if hot function attribute.
2272
2273 2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
2274             Richard Sandiford  <rdsandiford@googlemail.com>
2275
2276         * doc/install.texi (--with-mips-plt): Document.
2277         * doc/invoke.texi (-mplt, -mno-plt): Document.
2278         * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
2279         and handle ${with_mips_plt}.
2280         * config/mips/mips.opt (mplt): New option.
2281         * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
2282         (TARGET_ABICALLS_PIC2): Likewise.
2283         (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
2284         (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
2285         (ASM_SPEC): Use !mabi=* instead of !mabi*.
2286         (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
2287         to decide whether to output ".option picX" directives.
2288         * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
2289         Pass -call_nonpic rather than -KPIC for -mplt.
2290         (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
2291         on the command line.  Also remove it when -mabi=64 is used without
2292         -msym32.
2293         * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
2294         * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
2295         TARGET_ABICALLS_PIC0.
2296         (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
2297         TARGET_ABICALLS.
2298         (mips16_build_function_stub): Only output ".option pic" directives
2299         and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
2300         (mips16_build_call_stub): Fix comment and remove redundant
2301         ".set at"/"set .noat" directives.
2302         (mips_function_rodata_section): Use the default behaviour for
2303         TARGET_ABSOLUTE_ABICALLS.
2304         (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
2305         (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
2306         (mips_restore_gp): Do nothing if the current function doesn't use
2307         a global pointer.
2308         (mips_expand_prologue): Only save $gp if the current function uses it.
2309         Use a normal move for TARGET_ABICALLS_PIC0.
2310         (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
2311
2312 2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>
2313
2314         * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
2315         of function when handling GLOBAL_POINTER_REGNUM.
2316
2317 2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>
2318
2319         PR ada/20548
2320         * common.opt (-fstack-check): Do not declare the variable here.
2321         (-fstack-check=): New option variant.
2322         * doc/invoke.texi (Code Gen Options): Document it.
2323         * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
2324         (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
2325         (STACK_CHECK_STATIC_BUILTIN): New macro.
2326         * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
2327         * opts.c: Include expr.h.
2328         (common_handle_option) <OPT_fold_stack_check_>: New case.
2329         <OPT_fstack_check>: Likewise.
2330         * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
2331         consistently in the test for variable-sized types.  Adjust for
2332         new behaviour of flag_stack_check.
2333         * explow.c: Include except.h.
2334         (allocate_dynamic_stack_space): Do not take into account
2335         STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
2336         * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
2337         for variable-sized parameters.  Treat all parameters whose size is
2338         greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
2339         stack checking is enabled.
2340         * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
2341         size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
2342         if generic stack checking is enabled.
2343         (expand_function_end): Adjust for new behaviour of flag_stack_check.
2344         * reload1.c (reload): Likewise.
2345         * stmt.c (expand_decl): Assert that all automatic variables have
2346         fixed size at this point and remove dead code.
2347         * flags.h (stack_check_type): New enumeration type.
2348         (flag_stack_check): Declare.
2349         * toplev.c (flag_stack_check): New global variable.
2350         * Makefile.in (opts.o): Add dependency on EXPR_H.
2351         (explow.o): Add dependency on except.h.
2352
2353 2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>
2354
2355         * config/avr/avr.c (avr_override_options): Reduce value of
2356         PARAM_INLINE_CALL_COST.
2357
2358 2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>
2359
2360         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
2361         to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
2362         lieu of TYPE_MODE (type) throughout.
2363
2364 2008-08-15  Joseph Myers  <joseph@codesourcery.com>
2365
2366         * config/arm/arm.c (add_minipool_backward_ref): Check for
2367         8-byte-aligned entries in second case of forcing insertion after a
2368         particular entry.  Change third case to avoid inserting
2369         non-8-byte-aligned entries before 8-byte-aligned ones.
2370
2371 2008-08-15  Richard Guenther  <rguenther@suse.de>
2372
2373         * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
2374         strip components for unknown size accesses.
2375
2376 2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
2377
2378         * config/s390/2097.md New file.
2379         * config/s390/s390.md ("z10prop" attribute): Define none,
2380         z10_super, z10_super_E1, z10_super_A1, z10_super_c,
2381         z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
2382         z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
2383         possible values and apply them to insns as appropriate.
2384         ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
2385         ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
2386         fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
2387         fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
2388         values.
2389         ("bfp" mode attribute): Removed.  Every occurence replaced
2390         with <mode>.
2391         * config/s390/s390.c (struct "z10_cost"): Updated entries.
2392         * config/s390/2084.md (insn_reservation "x_itof"): Updated
2393           type attribute.
2394
2395 2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2396
2397         PR c/28152
2398         * c-parser.c (c_lex_one_token): Do not store the canonical spelling
2399         for keywords.
2400
2401 2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
2402
2403         * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
2404         additional argument. Support reduction when duplication is needed due
2405         to data-types of different sizes in the loop.
2406         (get_initial_def_for_induction): Fix printout.
2407         (vect_get_vec_def_for_stmt_copy): Support case where the
2408         vec_stmt_for_operand is a phi node.
2409         (vectorizable_reduction): Support reduction when duplication is needed
2410         due to data-types of different sizes in the loop.
2411         (vectorizable_call): Remove restriction to not vectorize in case we
2412         have data-types of different sizes in the loop.
2413         (vectorizable_conversion): Likewise.
2414         (vectorizable_operation): Likewise.
2415         (vectorizable_type_demotion): Likewise.
2416         (vectorizable_type_promotion): Likewise.
2417         (vectorizable_induction): Add restriction to not vectorize in case
2418         we have data-types of different sizes in the loop.
2419
2420 2008-08-14  Christophe Saout  <christophe@saout.de>
2421             Uros Bizjak  <ubizjak@gmail.com>
2422
2423         PR target/37101
2424         * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
2425         (*vec_concatv2di_rex64_sse4_1): Ditto.
2426         (*vec_concatv2di_rex64_sse): Ditto.
2427
2428 2008-08-14  Jakub Jelinek  <jakub@redhat.com>
2429
2430         PR middle-end/37103
2431         * fold-const.c (fold_widened_comparison): Do not allow
2432         sign changes that change the result even if shorter type
2433         is wider than arg1_unw's type.
2434
2435 2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
2436
2437         * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
2438         Skip if the multilib testing specifies -march that does not
2439         agree with the one specified in the testcase.
2440
2441 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2442
2443         * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
2444         zero extend SImode values being converted to TFmode before passing
2445         to libcalls.
2446
2447 2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2448
2449         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
2450         __PPU__ when targeting the Cell/B.E. PPU processor.
2451
2452 2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
2453
2454         * gimple.h (gimple_call_set_chain): Accept SSA variables.
2455         * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
2456         Rematerialize the static chain, if any.
2457         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
2458         static chain.
2459
2460 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2461
2462         * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
2463         (new_loc_descr): Likewise.
2464         (add_loc_descr): Likewise.
2465         (size_of_loc_descr): Likewise.
2466         (size_of_locs): Likewise.
2467         (output_loc_operands): Likewise.
2468         (output_loc_sequence): Likewise.
2469         (new_reg_loc_descr): New.
2470         (build_cfa_loc): Use it.
2471         (build_cfa_aligned_loc): Likewise.
2472         (one_reg_loc_descriptor): Likewise.
2473         (based_loc_descr): Likewise.
2474
2475 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2476
2477         PR 30551
2478         * doc/invoke.texi (Wmain): Update.
2479         * c-decl.c (start_decl): warn_main is only 0 or 1.
2480         (start_function): Likewise. Fix formatting.
2481         (finish_function): Delete redundant warning.
2482         * c.opt (Wmain): Add Var(warn_main) and Init(-1).
2483         * c-opts (c_common_handle_option): -Wall only has effect if
2484         warn_main is uninitialized. OPT_Wmain is automatically
2485         handled. -pedantic also enables Wmain.
2486         (c_common_post_options): Handle all logic for Wmain here.
2487         * c-common.c (warn_main): Delete.
2488         (check_main_parameter_types): Make pedwarns conditional on
2489         OPT_Wmain.
2490         * c-common.h (warn_main): Delete.
2491
2492 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2493
2494         PR middle-end/36701
2495         * expr.c (emit_group_store): Allocate stack temp with the
2496         largest alignment when copying from register to stack.
2497
2498 2008-08-13  Richard Guenther  <rguenther@suse.de>
2499
2500         * tree.h (maybe_fold_offset_to_address): Declare.
2501         * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
2502         (ccp_fold): Handle pointer conversions the same as fold_stmt.
2503         Likewise for POINTER_PLUS_EXPR.
2504         (maybe_fold_offset_to_reference): Enable disabled code.
2505         (maybe_fold_offset_to_address): New function.
2506         (fold_stmt_r): Use it.
2507         (fold_gimple_assign): Likewise.
2508         * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
2509         (gimplify_expr): Likewise.
2510
2511 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2512
2513         * toplev.h (pedwarn_at): Fix declaration.
2514
2515 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2516
2517         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2518         LINK_SPEC): Use %R in -Y P argument.
2519
2520 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2521
2522         PR c/15236
2523         * diagnostic.c (pedwarn_at): New.
2524         * toplev.h (pedwarn_at): Declare.
2525         * c-tree.h (build_enumerator): Update declaration.
2526         * c-decl.c (finish_enum): Update comment.
2527         (build_enumerator): Take a location parameter. Give a pedwarn but do
2528         not perform any conversion.
2529         * c-parser.c (c_parser_enum_specifier): Set correct location for
2530         enumerator.
2531
2532 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2533
2534         PR 35635
2535         * c-common.c (conversion_warning): Use a switch. Ignore boolean
2536         expressions except for conversions to signed:1 bitfields. Handle
2537         COND_EXPR with constant operands.
2538
2539 2008-08-13  Richard Guenther  <rguenther@suse.de>
2540
2541         PR tree-optimization/15255
2542         * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
2543         (struct oecount_s): New struct and VEC types.
2544         (cvec): New global.
2545         (oecount_hash): New function.
2546         (oecount_eq): Likewise.
2547         (oecount_cmp): Likewise.
2548         (zero_one_operation): New function.
2549         (build_and_add_sum): Likewise.
2550         (undistribute_ops_list): Perform un-distribution of multiplication
2551         and division on the chain of summands.
2552         (should_break_up_subtract): Also break up subtracts for factors.
2553         (reassociate_bb): Delete dead visited statements.
2554         Call undistribute_ops_list.  Re-sort and optimize if it did something.
2555         * passes.c (init_optimization_passes): Move DSE before
2556         reassociation.
2557         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
2558         PHI nodes.
2559
2560 2008-08-12  Janis Johnson  <janis187@us.ibm.com>
2561
2562         * doc/invoke.texi (-fipa-pta): Say the option is experimental.
2563
2564         * doc/invoke.texi: Revert unintended checkin.
2565
2566 2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
2567
2568         PR libgomp/26165
2569         * gcc.c (include_spec_function): Tweak call to find_a_file.
2570
2571 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2572
2573         PR middle-end/37014
2574         * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
2575         and TRUTH_ORIF_EXPR.
2576         * dojump.c (do_jump): Likewise.
2577
2578         PR tree-optimization/37084
2579         * tree-inline.c (copy_bb): Call gimple_regimplify_operands
2580         if id->regimplify, don't assume stmt is a cast assignment.
2581
2582 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
2583
2584         * final.c (final_scan_insn): Use app_enable/app_disable functions.
2585
2586 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2587
2588         PR bootstrap/37097
2589         * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
2590         by last change.
2591
2592 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2593
2594         * defaults.h (TARGET_FLOAT_FORMAT): Remove.
2595         (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
2596
2597         * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
2598         * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
2599         * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
2600         * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
2601         * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
2602
2603         * doc/tm.texi (Storage Layout): Remove documentation for
2604         TARGET_FLOAT_FORMAT.
2605
2606         * simplify-rtx.c (simplify_binary_operation_1): Replace
2607         TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
2608
2609 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2610
2611         * real.h (struct real_format): New member has_sign_dependent_rounding.
2612         * real.c (ieee_single_format, mips_single_format, motorola_single_format,
2613         spu_single_format, ieee_double_format, mips_double_format,
2614         motorola_double_format, ieee_extended_motorola_format,
2615         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2616         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2617         mips_extended_format, ieee_quad_format, mips_quad_format,
2618         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2619         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2620
2621         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2622         MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2623         * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2624         MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2625         (ROUND_TOWARDS_ZERO): Likewise.
2626
2627         * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
2628         (FLOAT_MODE_FORMAT): New macro.
2629         (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
2630         (MODE_COMPOSITE_P): ... this new macro.
2631         (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2632         MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
2633         * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
2634
2635         * flags.h: Include "real.h".
2636
2637         * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
2638         REAL_MODE_FORMAT_COMPOSITE_P.
2639         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2640
2641         * doc/tm.texi (Storage Layout): Remove documentation of
2642         MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2643         MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
2644         ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
2645         they only apply to libgcc2.a.
2646
2647 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2648
2649         * config/spu/float_disf.c: New file.
2650         * config/spu/float_unsdisf.c: New file.
2651         * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
2652         (LIB2FUNCS_EXCLUDE): Define.
2653
2654 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2655             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2656
2657         * real.h (struct real_format): New member round_towards_zero.
2658         * real.c (round_for_format): Respect fmt->round_towards_zero.
2659         (ieee_single_format, mips_single_format, motorola_single_format,
2660         spu_single_format, ieee_double_format, mips_double_format,
2661         motorola_double_format, ieee_extended_motorola_format,
2662         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2663         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2664         mips_extended_format, ieee_quad_format, mips_quad_format,
2665         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2666         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2667
2668         * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
2669         real_format to choose rounding mode when calling MPFR functions.
2670         (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
2671         (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
2672
2673         * real.h (real_to_decimal_for_mode): Add prototype.
2674         * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
2675         Respect target rounding mode when generating decimal representation.
2676         (real_to_decimal): New stub for backwards compatibility.
2677         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
2678         real_to_decimal_for_mode instead of real_to_decimal.
2679
2680         * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
2681
2682 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2683             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2684
2685         * real.c (spu_single_format): New variable.
2686         * real.h (spu_single_format): Declare.
2687
2688         * config/spu/spu.c (spu_override_options): Install SFmode format.
2689         (spu_split_immediate): Use integer mode to operate on pieces of
2690         floating-point values in all cases.
2691
2692         * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
2693         ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
2694         ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
2695
2696 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2697
2698         * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
2699
2700 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2701
2702         * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
2703
2704 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2705
2706         PR c++/36688
2707         * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
2708         on the VAR_DECL instead of TYPE_READONLY on its type.
2709
2710 2008-08-12  Ira Rosen  <irar@il.ibm.com>
2711
2712         * tree-vectorizer.c: Depend on langhooks.h.
2713         (supportable_widening_operation): Add two arguments. Support double
2714         type conversions.
2715         (supportable_narrowing_operation): Likewise.
2716         * tree-vectorizer.h (supportable_widening_operation): Add two
2717         arguments.
2718         (supportable_narrowing_operation): Likewise.
2719         * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
2720         supportable_widening_operation with correct arguments.
2721         * tree-vect-transform.c (vectorizable_conversion): Likewise.
2722         (vectorizable_type_demotion): Support double type conversions.
2723         (vectorizable_type_promotion): Likewise.
2724         * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
2725
2726 2008-08-11  Michael Matz  <matz@suse.de>
2727
2728         * i386/i386.c (override_options): Move initialisation from
2729         flag_schedule_insns_after_reload to here from ...
2730         (optimization_options): ... here.
2731
2732 2008-08-11  Jakub Jelinek  <jakub@redhat.com>
2733
2734         PR rtl-optimization/36998
2735         * dwarf2out.c (compute_barrier_args_size_1,
2736         compute_barrier_args_size): Temporarily remove assertions.
2737
2738 2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2739
2740         PR middle-end/20644
2741         * tree-ssa.c (struct walk_data): Add new flag
2742         warn_possibly_uninitialized.
2743         (warn_uninitialized_var): Use it.
2744         (warn_uninitialized_vars): New.
2745         (execute_early_warn_uninitialized): Call it.
2746         (execute_late_warn_uninitialized): Likewise.
2747
2748 2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2749
2750         PR middle-end/36238
2751         * reload1.c (gen_reload): Guard calls to get_secondary_mem
2752         for memory subregs.
2753
2754 2008-08-09  Jan Hubicka  <jh@suse.cz>
2755
2756         PR target/37055
2757         * optabs.c (maybe_emit_unop_insn): Remove produced code if
2758         expansion failed.
2759         (expand_fix): Be prepared for expansion to fail.
2760         (expand_sfix_optab): Remove instructions if expansion failed.
2761
2762 2008-08-09  Anatoly Sokolov  <aesok@post.ru>
2763
2764         * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
2765         avr31 architecture.
2766         * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
2767         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2768
2769 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2770
2771         * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
2772         mips/t-libgcc-mips16 to tmake_file.
2773         * config/mips/mips-protos.h (mips_call_type): New enum.
2774         (mips_pic_base_register, mips_got_load): Declare.
2775         (mips_restore_gp): Take an rtx argument.
2776         (mips_use_pic_fn_addr_reg_p): Declare.
2777         (mips_expand_call): Replace the sibcall_p argument with
2778         a mips_call_type argument.  Add a lazy_p parameter.
2779         (mips_split_call): Declare.
2780         * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
2781         (MIPS16_PIC_TEMP): Likewise.
2782         (reg_class): Delete M16_NA_REGS.
2783         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2784         (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
2785         (mips_split_hi_p): Declare.
2786         * config/mips/mips.c (mips_split_hi_p): New array.
2787         (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
2788         (mips_got_symbol_type_p): New function.
2789         (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
2790         (mips16_stub_function_p): New function.
2791         (mips16_local_function_p): Likewise.
2792         (mips_use_pic_fn_addr_reg_p): Likewise.
2793         (mips_cannot_force_const_mem): Return false for HIGHs.
2794         Extend CONST_INT and symbolic handling to MIPS16, using
2795         mips_symbol_insns to check that the base symbol type is a
2796         legitimate constant.  Reject GOT-based constants if
2797         TARGET_MIPS16_PCREL_LOADS.
2798         (mips_const_insns): Check targetm.cannot_force_const_mem when
2799         decomposing a symbolic base and a large offset.
2800         (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
2801         When calling a function that needs $25 from MIPS16 code,
2802         move the target address into $25 separately and add a USE
2803         to the call insn.
2804         (mips16_gp_pseudo_reg): Insert the initializer immediately
2805         before the first real insn.
2806         (mips_pic_base_register, mips_got_load): New functions.
2807         (mips_split_symbol): Generalize the name of the LO_SUM_OUT
2808         parameter to LOW_OUT.  Say that it can be any valid SET_SRC
2809         when splitting a load-address operation.  Split SYMBOL_GOT_DISP
2810         constants and highs of SYMBOL_GOT_PAGE_OFST constants.
2811         (mips_call_tls_get_addr): Update the call to mips_expand_call,
2812         also passing NULL_RTX rather than const0_rtx as the aux argument.
2813         (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
2814         instead of TARGET_EXPLICIT_RELOCS.
2815         (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
2816         (mips_load_call_address): Replace the sibcall_p argument with
2817         a mips_call_type argument.  Use mips_got_load.
2818         (mips16_local_alias): New structure.
2819         (mips16_local_aliases): New variable.
2820         (mips16_local_aliases_hash): New function.
2821         (mips16_local_aliases_eq): Likewise.
2822         (mips16_local_alias): Likewise.
2823         (mips16_stub_function): Likewise.
2824         (mips16_build_function_stub): Create a local alias for the target
2825         function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
2826         .cpload directive and an R_MIPS_NONE relocation for the target
2827         function, then load the alias rather than the function itself.
2828         Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
2829         (mips16_copy_fpr_return_value): Use mips16_stub_function and
2830         mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
2831         (mips16_build_call_stub): Replace the FN parameter with an
2832         FN_PTR parameter.  Force the address into a register if it
2833         isn't a call_insn_operand; don't rely on the caller to do this.
2834         If a call to a locally-defined and locally-binding MIPS16
2835         function must be made indirectly, redirect the call to the
2836         function's local alias.  Use mips16_stub_function_p,
2837         mips16_stub_function, mips_expand_call and use_reg.
2838         Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
2839         Use explicit %hi and %lo accesses where possible.
2840         Use MIPS_CALL to generate the correct code form of a
2841         jal instruction.  Add clobbers of $18 instead of uses.
2842         Update the call to mips_emit_call_insn.
2843         (mips_expand_call): Replace the SIBCALL_P argument with a
2844         mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
2845         Take a LAZY_P parameter.  Call mips16_build_call_stub first,
2846         allowing it to modify the call address.  Update the calls to
2847         mips_load_call_address and mips_emit_call_insn.
2848         (mips_split_call): New function.
2849         (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
2850         !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
2851         SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
2852         (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
2853         (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
2854         if TARGET_MIPS16.
2855         (mips_cprestore_slot): New function.
2856         (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
2857         and use mips_cprestore_slot.
2858         (mips_output_function_prologue): Handle TARGET_MIPS16 for
2859         LOADGP_OLDABI.
2860         (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
2861         then use a copygp_mips16 instruction to set up $28.
2862         (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
2863         (mips16_lay_out_constants): Call split_all_insns_noflow.
2864         (mips_reorg_process_insns): Explicitly set all_noreorder_p to
2865         false if TARGET_MIPS16.
2866         (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
2867         (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
2868         mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
2869         (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
2870         MIPS16 code.  Allow MIPS16 o32 PIC.
2871         (mips_override_options): Allow MIPS16 o32 PIC.
2872         * config/mips/mips.md: Lower CONST_GP_P moves into register moves
2873         after reload if TARGET_USE_GOT.
2874         (UNSPEC_COPYGP): New constant.
2875         (length): Use a default length of 8 for MIPS16 GOT loads.
2876         (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
2877         (*got_page<mode>): Check mips_split_hi_p.
2878         (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
2879         (unspec_got<mode>, unspec_call<mode>): New expanders.
2880         (load_got<mode>, load_call<mode>): Remove the length attributes.
2881         Use a got attribute instead of a type attribute.
2882         (copygp_mips16): New insn.
2883         (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
2884         (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
2885         (sibcall, sibcall_value, call, call_value): Update the calls
2886         to mips_expand_call.
2887         (call_internal, call_value_internal): Use mips_split_call.
2888         (call_value_multiple_internal): Likewise.
2889         (call_split): Move after call_internal (the insn it is split from).
2890         (call_internal_direct, call_value_internal_direct): Turn into
2891         define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
2892         (call_direct_split, call_value_direct_split): New patterns.
2893         * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
2894         and use M16_REGS instead of M16_NA_REGS.
2895         * config/mips/predicates.md (const_call_insn_operand): Replace
2896         the TARGET_ABSOLUTE_ABICALLS-based check with a more general
2897         mips_use_pic_fn_addr_reg_p check.
2898         (move_operand): Reject HIGHs if mips_split_hi_p.
2899         * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
2900         (__mips16_floatunsisf): Inline __mips16_floatsisf.
2901         (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
2902         * config/mips/libgcc-mips16.ver: New file.
2903         * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
2904         $(srcdir)/config/mips/libgcc-mips16.ver.
2905
2906 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2907
2908         * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
2909         (mips_unspec_address, mips_unspec_offset_high): Likewise.
2910         (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
2911         (mips16_cfun_returns_in_fpr_p): Likewise.
2912
2913 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2914
2915         * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
2916         * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
2917         rather than 4 to PC.
2918
2919 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2920
2921         * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
2922         (FUNCTION_PROFILER): Save the static chain pointer into $2
2923         beforehand and restore it aftewards.
2924         (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
2925         address directly into $25 and call the function through $25;
2926         do not clobber $3.  Pad the DImode version to cover the space
2927         left by the deleted $25 <- $3 move.
2928         (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
2929         the removal of the $25 <- $3 move.
2930         (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
2931         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
2932
2933 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2934             Daniel Jacobowitz  <dan@codesourcery.com>
2935
2936         * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
2937         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
2938         (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
2939         * config/mips/mips.c (mips_start_function_definition): New function.
2940         (mips_end_function_definition): Likewise.
2941         (mips_output_function_prologue): Use mips_start_function_definition.
2942         (mips_output_function_epilogue): Use mips_end_function_definition.
2943         (build_mips16_function_stub): Use mips_start_function_definition
2944         and mips_end_function_definition.
2945         (build_mips16_call_stub): Likewise.
2946
2947 2008-08-09  Richard Guenther  <rguenther@suse.de>
2948
2949         * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
2950         * gimple.h (gimple_call_fn): Adjust comment.
2951         (gimple_call_set_fndecl): New function.
2952         (gimple_call_fndecl): Adjust for GIMPLE_CALL no
2953         longer having bare FUNCTION_DECL operand.
2954         (gimple_call_return_type): Likewise.
2955         * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
2956
2957         * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
2958         (gimple_mod_pow2): Likewise.
2959         (gimple_mod_subtract): Likewise.
2960         (gimple_ic): Likewise.
2961         (gimple_stringop_fixed_value): Likewise.
2962         (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
2963         longer having bare FUNCTION_DECL operand.
2964         * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
2965         * omp-low.c (optimize_omp_library_calls): Likewise.
2966         * cgraphunit.c (update_call_expr): Likewise.
2967         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
2968         (execute_convert_to_rsqrt): Likewise.
2969         * cfgexpand.c (gimple_to_tree): Simplify.
2970         (release_stmt_tree): Fix for GIMPLE_CALL no longer having
2971         bare FUNCTION_DECL operand.
2972         * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
2973         (convert_gimple_call): Use gimple_call_fndecl.
2974         * c-common.c (c_warn_unused_result): Likewise.
2975
2976 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2977
2978         PR c/17880
2979         * c-typeck.c (digest_init): Call verify_sequence_points from here.
2980         (c_finish_return): Likewise.
2981         (c_start_case): Likewise.
2982         * c-common.c (warn_for_collisions_1): Use explicit location in
2983         warning.
2984         * c-parser.c (c_parser_condition): New. Call
2985         verify_sequence_points.
2986         (c_parser_paren_condition): Call c_parser_condition.
2987         (c_parser_for_statement): Call c_parser_condition.
2988
2989 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2990
2991         PR 36901
2992         * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.
2993         * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
2994         Moved from diagnostic.h
2995         (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
2996         DK_PERMERROR.
2997         (emit_diagnostic): New.
2998         (warning0, pedwarn0): Delete.
2999         (warning, warning_at, pedwarn, permerror): Return bool.
3000         * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
3001         Moved to diagnostic.c.
3002         (struct diagnostic_context): Use correct type for
3003         classify_diagnostic.
3004         (diagnostic_report_diagnostic): Update declaration.
3005         (emit_diagnostic): Declare.
3006         * errors.c (warning): Return bool.
3007         * errors.h (warning): Update declaration.
3008         * toplev.h (warning0, pedwarn0): Delete.
3009         (warning, warning_at, pedwarn, permerror): Return bool.
3010         * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
3011         * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
3012         inform. Update all calls.
3013         (diagnose_mismatched_decls): Check return value of warning/pedwarn
3014         before giving informative note.
3015         (implicit_decl_warning): Likewise.
3016         * c-typeck.c (build_function_call): Likewise.
3017         * tree-sssa.c (warn_uninit): Likewise.
3018         * builtins.c (gimplify_va_arg_expr): Likewise.
3019
3020 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3021
3022         PR 7651
3023         * doc/invoke.texi (-Wextra): Move warning from here...
3024         (-Wuninitialized): ... to here.
3025
3026 2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3027
3028         PR 28875
3029         * flags.h (set_Wunused): Delete
3030         * toplev.c (process_options): Handle Wunused flags here.
3031         * opts.c (maybe_warn_unused_parameter): Delete.
3032         (common_handle_option): Replace set_Wunused by warn_unused.
3033         (set_Wextra): Do not handle Wunused-parameter here.
3034         (set_Wunused): Delete.
3035         * c-opts.c (c_common_handle_option): Replace set_Wunused by
3036         warn_unused.
3037         * common.opt (Wunused): Add Var and Init.
3038         (Wunused-function): Likewise.
3039         (Wunused-label): Likewise.
3040         (Wunused-parameter): Likewise.
3041         (Wunused-value): Likewise.
3042         (Wunused-variable): Likewise.
3043
3044 2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
3045
3046         * doc/invoke.texi: Add cpu_type power7.
3047         * config.in (HAVE_AS_VSX): New.
3048         * config.gcc: Add cpu_type power7.
3049         * configure.ac (HAVE_AS_VSX): Check for assembler support of the
3050         VSX instructions.
3051         * configure: Regenerate.
3052         * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
3053         power5.
3054         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
3055         (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
3056         (EXTRA_SPECS): Add asm_cpu_power7 spec string.
3057
3058 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
3059
3060         * tree-vect-transform.c (vectorizable_conversion): Pass the integral
3061         type to vectorize.builtin_conversion.
3062         (vectorizable_conversion): Likewise.
3063         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
3064         integral type as input.
3065         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
3066         FIX_TRUNC_EXPR.
3067         (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
3068         and ALTIVEC_BUILTIN_VCTSXS.
3069         (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
3070         formatting.
3071
3072 2008-08-08  Richard Guenther  <rguenther@suse.de>
3073
3074         * tree-ssa-ccp.c (likely_value): Calls are not all varying.
3075         (surely_varying_stmt_p): Calls are varying only if they are
3076         non-builtin and not indirect or have no result.
3077         (ccp_fold): Re-instantiate code before the tuples merge.
3078
3079 2008-08-08  Richard Guenther  <rguenther@suse.de>
3080
3081         PR tree-optimization/37056
3082         * gimple.h (gimple_assign_rhs_class): New helper function.
3083         * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
3084         unary operations properly.
3085
3086 2008-08-07  Jan Hubicka  <jh@suse.cz>
3087
3088         * i386.h (ix86_size_cost): Declare.
3089         (ix86_cur_cost): New function macro.
3090         * i386.md (peepholes expanding size and splitters): Predicate by
3091         optimize_insn_for_speed_p.
3092         (peepholes reduce size and splitters): Predicate by
3093         optimize_insn_for_size_p.
3094         * i386.c (ix86_size_cost): Rename from ...
3095         (size_cost): This one.
3096         (override_options): Update.
3097         (decide_alg): Likewise.
3098         (ix86_expand_clear): Use RTL profile.
3099         (ix86_pad_returns): Use RTL profile.
3100
3101 2008-08-07  Jan Hubicka  <jh@suse.cz>
3102
3103         * recog.c (split_all_insns): Set RTL profile
3104         (peephole2_optimize): Likewise.
3105         * function.c (thread_prologue_and_epilogue_insns): Likewise.
3106         * combine.c (combine_instructions): Likewise.
3107
3108 2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3109
3110         * c-common.c (c_common_reswords): Also warn about keyword "bool".
3111
3112 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
3113
3114         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
3115         value in a6 after the set_frame_ptr insn.
3116
3117 2008-08-07  Richard Henderson  <rth@redhat.com>
3118
3119         PR debug/37033
3120         * gcc.c (cpp_options): Pass along -g*.
3121
3122 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
3123
3124         * config/arm/arm.c (output_move_neon): Update comment describing
3125         big-endian vector layout.
3126         (arm_assemble_integer): Do not handle big-endian NEON vectors
3127         specially.
3128         * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
3129         neon_vget_lane<mode>_sext_internal,
3130         neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
3131         element indices for big-endian.
3132
3133 2008-08-07  Richard Henderson  <rth@redhat.com>
3134
3135         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
3136         * configure, config.in: Rebuild.
3137         * debug.h (dwarf2out_do_cfi_asm): Declare.
3138         * c-cppbuiltin.c (c_cpp_builtins): Use it.
3139         * dwarf2out.c (dwarf2out_do_cfi_asm): New.
3140         (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
3141         dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.
3142
3143 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
3144
3145         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3146         movv2si_internal): Combine into mov<mode>_internal.
3147         (movv2si_internal_2): Remove.
3148
3149 2008-08-07  Jan Hubicka  <jh@suse.cz>
3150
3151         PR target/37048
3152         * i386.md (single stringop patterns): Enable unconditionally.
3153
3154 2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3155
3156         PR target/36992
3157         * config/i386/emmintrin.h (_mm_move_epi64): Use
3158         __builtin_ia32_movq128.
3159
3160         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
3161         (bdesc_args): Add IX86_BUILTIN_MOVQ128.
3162
3163         * config/i386/sse.md (sse2_movq128): New.
3164
3165         * doc/extend.texi: Document __builtin_ia32_movq128.
3166
3167 2008-08-07  Richard Guenther  <rguenther@suse.de>
3168
3169         PR middle-end/37042
3170         * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
3171         pointers can access anything.
3172
3173 2008-08-06  Jan Hubicka  <jh@suse.cz>
3174
3175         * optabs.c (emit_unop_insn): Break out to ...
3176         (maybe_emit_unop_insn): ... this one.
3177         (expand_sfix_optab): Use maybe variant.
3178         * optabs.h (maybe_emit_unop_insn): Declare.
3179
3180         * i386.md (mov0 patterns): Enable by default.
3181         (FP conversion expanders): Disable expansion of code expanding
3182         sequences when instruction should be optimized for size.
3183         (single strinop patterns): Enable when optimizing for size.
3184         (string expanders): Disable expanding of code expanding sequences
3185         when optimizning instruction for size.
3186         * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
3187         per BB basis.
3188         (ix86_fp_comparison_sahf_cost): Likewise.
3189         (ix86_expand_branch): Likewise.
3190         (ix86_expand_ashl_const): Likewise.
3191         (ix86_split_ashl): Likewise.
3192         (ix86_expand_strlen): Likewise.
3193         (ix86_emit_fp_unordered_jump): Likewie.
3194
3195 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3196
3197         * c-common.c: Fix typo.
3198         (c_common_reswords): Activate more C++ keyword warnings.
3199
3200         * matrix-reorg.c (compute_offset): Avoid C++ keywords.
3201
3202 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3203
3204         PR 26785
3205         * diagnostic.c (permerror_at): New.
3206         * toplev.h (permerror_at): Declare.
3207
3208 2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
3209             Ira Rosen  <irar@il.ibm.com>
3210
3211         * tree-vect-transform.c (vect_model_simple_cost): Return
3212         immediately if stmt is pure SLP.
3213         (vect_model_store_cost): Ditto.
3214         (vect_model_load_cost): Ditto.
3215         (vectorizable_store): Remove PURE_SLP check before call
3216         to vect_model_store_cost.
3217         (vect_model_store_cost): When checking whether stmt describe
3218         strided access, add a check that it is not slp_node.
3219
3220 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3221
3222         PR 8715
3223         * c-common.c (warn_for_sign_compare): New. Handle separately the
3224         case that 'constant' is zero.
3225         * c-typeck.c (build_binary_op): Move code to c-common.c
3226
3227 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3228
3229         * config/alpha/alpha.c (alpha_preferred_reload_class,
3230         alpha_secondary_reload, alpha_emit_set_const_1, function_value,
3231         alpha_output_mi_thunk_osf): Avoid C++ keywords.
3232         * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
3233         * config/arm/arm.md: Likewise.
3234         * config/avr/avr-protos.h (preferred_reload_class,
3235         test_hard_reg_class, avr_simplify_comparison_p,
3236         out_shift_with_cnt, class_max_nregs): Likewise.
3237         * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
3238         output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
3239         preferred_reload_class, test_hard_reg_class): Likewise.
3240         * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
3241         bfin_memory_move_cost, bfin_secondary_reload,
3242         bfin_output_mi_thunk): Likewise.
3243         * config/crx/crx.c (crx_secondary_reload_class,
3244         crx_memory_move_cost): Likewise.
3245         * config/frv/frv-protos.h (frv_secondary_reload_class,
3246         frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
3247         * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
3248         frv_secondary_reload_class, frv_class_likely_spilled_p,
3249         frv_class_max_nregs): Likewise.
3250         * config/h8300/h8300.c (h8300_classify_operand,
3251         h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
3252         Likewise.
3253         * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
3254         * config/ia64/ia64.c (ia64_preferred_reload_class,
3255         ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
3256         * config/iq2000/iq2000.c (gen_int_relational): Likewise.
3257         * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
3258         Likewise.
3259         * config/m68hc11/m68hc11.c (preferred_reload_class,
3260         m68hc11_memory_move_cost): Likewise.
3261         * config/mcore/mcore.c (mcore_secondary_reload_class,
3262         mcore_reload_class): Likewise.
3263         * config/mips/mips.c (mips_hard_regno_mode_ok_p,
3264         mips_class_max_nregs, mips_cannot_change_mode_class,
3265         mips_preferred_reload_class, mips_secondary_reload_class,
3266         mips_output_mi_thunk): Likewise.
3267         * config/mmix/mmix.c (mmix_preferred_reload_class,
3268         mmix_preferred_output_reload_class, mmix_secondary_reload_class):
3269         Likewise.
3270         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
3271         Likewise.
3272         * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
3273         pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
3274         * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3275         * config/rs6000/rs6000.c (paired_expand_vector_init,
3276         rs6000_secondary_reload_class, rs6000_output_mi_thunk,
3277         compare_section_name, rs6000_memory_move_cost): Likewise.
3278         * config/s390/s390.c (s390_emit_compare_and_swap,
3279         s390_preferred_reload_class, s390_secondary_reload,
3280         legitimize_pic_address, legitimize_tls_address,
3281         legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
3282         s390_class_max_nregs): Likewise.
3283         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3284         * config/s390/s390.md: Likewise.
3285         * config/score/score-protos.h (score_secondary_reload_class,
3286         score_preferred_reload_class): Likewise.
3287         * config/score/score.c (score_preferred_reload_class,
3288         score_secondary_reload_class): Likewise.
3289         * config/score/score3.c (score3_output_mi_thunk,
3290         score3_preferred_reload_class, score3_secondary_reload_class,
3291         score3_hard_regno_mode_ok): Likewise.
3292         * config/score/score3.h (score3_preferred_reload_class,
3293         score3_secondary_reload_class): Likewise.
3294         * config/score/score7.c (score7_output_mi_thunk,
3295         score7_preferred_reload_class, score7_secondary_reload_class,
3296         score7_hard_regno_mode_ok): Likewise.
3297         * config/score/score7.h (score7_preferred_reload_class,
3298         score7_secondary_reload_class): Likewise.
3299         * config/sh/sh.c (prepare_move_operands, output_far_jump,
3300         output_branchy_insn, add_constant, gen_block_redirect,
3301         sh_insn_length_adjustment, sh_cannot_change_mode_class,
3302         sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload):
3303         Likewise.
3304         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3305         * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
3306         xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
3307         xstormy16_preferred_reload_class): Likewise.
3308         * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
3309         xtensa_expand_atomic, override_options,
3310         xtensa_preferred_reload_class, xtensa_secondary_reload_class):
3311         Likewise.
3312         * reorg.c (try_merge_delay_insns): Likewise.
3313         * tree.c (merge_dllimport_decl_attributes): Likewise.
3314
3315         * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.
3316
3317 2008-08-06  Michael Matz  <matz@suse.de>
3318
3319         * Makefile.in (write_entries_to_file): Quote words.
3320         * gengtype.c: (read_input_line): Skip over leading white-space.
3321
3322 2008-08-06  Marc Gauthier  <marc@tensilica.com>
3323
3324         * config.gcc: Match more processor names for Xtensa.
3325         * configure.ac: Likewise.
3326         * doc/install.texi (Specific): Likewise.
3327         * configure: Regenerate.
3328
3329 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3330
3331         * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
3332         * calls.c (avoid_likely_spilled_reg): Likewise.
3333         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
3334         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
3335         * config/i386/i386.c (ix86_expand_special_args_builtin,
3336         ix86_secondary_reload): Likewise.
3337         * except.c (struct eh_region, gen_eh_region_catch,
3338         remove_unreachable_regions, duplicate_eh_regions,
3339         assign_filter_values, build_post_landing_pads,
3340         sjlj_find_directly_reachable_regions, remove_eh_handler,
3341         reachable_next_level, foreach_reachable_handler,
3342         can_throw_internal_1, can_throw_external_1,
3343         collect_one_action_chain): Likewise.
3344         * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
3345         * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
3346         * function.c (update_temp_slot_address, instantiate_new_reg,
3347         instantiate_virtual_regs_in_rtx,
3348         instantiate_virtual_regs_in_insn): Likewise.
3349         * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
3350         * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
3351         gimplify_cleanup_point_expr): Likewise.
3352         * ipa-cp.c (ipcp_lattice_changed): Likewise.
3353         * passes.c (next_pass_1): Likewise.
3354         * print-tree.c (print_node_brief, print_node): Likewise.
3355         * profile.c (branch_prob): Likewise.
3356         * tree-dump.c (dump_register): Likewise.
3357         * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
3358         Likewise.
3359         * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
3360         copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
3361         copy_edges_for_bb, copy_cfg_body, copy_tree_r,
3362         copy_arguments_for_versioning, copy_static_chain): Likewise.
3363         * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
3364         add_new_name_mapping, register_new_name_mapping): Likewise.
3365         * tree-mudflap.c (mf_xform_derefs): Likewise.
3366         * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
3367         get_init_expr, combine_chains): Likewise.
3368         * tree-pretty-print.c (dump_generic_node): Likewise.
3369         * tree-ssa-structalias.c (create_variable_info_for): Likewise.
3370         * tree-vrp.c (simplify_cond_using_ranges): Likewise.
3371         * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
3372         * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
3373
3374 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3375
3376         PR middle-end/37010
3377         * calls.c (expand_call): Use the biggest preferred stack
3378         boundary.
3379
3380 2008-08-06  Michael Matz  <matz@suse.de>
3381
3382         PR target/36613
3383         * reload.c (push_reload): Merge in,out,in_reg,out_reg members
3384         for reused reload, instead of overwriting them.
3385
3386 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3387
3388         PR middle-end/37009
3389         * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
3390         for incoming stack boundary.
3391
3392         * function.c (assign_parm_find_entry_rtl): Update
3393         parm_stack_boundary.
3394
3395         * function.h (rtl_data): Add parm_stack_boundary.
3396
3397         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
3398         parm_stack_boundary for incoming stack boundary.
3399
3400 2008-08-06  Joseph Myers  <joseph@codesourcery.com>
3401
3402         * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
3403         for unrepresentable subregs or treat them as equal to other regs
3404         or subregs with the same register number.
3405
3406 2008-08-06  Aldy Hernandez  <aldyh@redhat.com>
3407
3408         PR middle-end/35432
3409         * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
3410         if want_value.
3411
3412 2008-08-06  Jan Hubicka  <jh@suse.cz>
3413
3414         * predict.c (maybe_hot_frequency_p): When profile is absent, all
3415         frequencies might be hot.
3416
3417 2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3418
3419         * reload.c (find_reloads): Force constants into literal pool
3420         also if they are wrapped in a SUBREG.
3421
3422 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3423
3424         PR target/35659
3425         * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
3426         * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
3427         Don't allow predicated instructions for data speculation.
3428         * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
3429         declaration.
3430
3431 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3432
3433         * haifa-sched.c (extend_global): Split to extend_global_data and
3434         extend_region_data.  Update all uses.
3435         (extend_all): Rename to extend_block_data.
3436
3437 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3438
3439         * sched-rgn.c (new_ready): Check if instruction can be
3440         speculatively scheduled before attempting speculation.
3441         (debug_rgn_dependencies): Remove wrongful assert.
3442
3443 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3444
3445         * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
3446
3447 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3448
3449         * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
3450         (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
3451         va_size, and type_size.
3452
3453 2008-08-04  Jason Merrill  <jason@redhat.com>
3454
3455         PR c++/37016
3456         * tree-ssa.c (useless_type_conversion_p_1): Call langhook
3457         if TYPE_STRUCTURAL_EQUALITY_P is true for both types.
3458
3459 2008-08-05  Richard Henderson  <rth@redhat.com>
3460
3461         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
3462         * configure: Rebuild.
3463
3464 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3465
3466         PR tree-opt/37024
3467         * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
3468         instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
3469         is a conversion.
3470
3471 2008-08-05  Richard Henderson  <rth@redhat.com>
3472
3473         * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
3474         * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
3475         * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
3476         * common.opt (fdwarf2-cfi-asm): New.
3477         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
3478         * config.in, configure: Rebuild.
3479         * dwarf2asm.c (dw2_asm_output_data_raw): New.
3480         (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
3481         (dw2_force_const_mem): Externalize.
3482         * dwarf2asm.h: Update.
3483         * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
3484         generate a real label.
3485         (output_cfi_directive): New.
3486         (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
3487         (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
3488         (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
3489         and .cfi_lsda.
3490         (dwarf2out_end_epilogue): Emit .cfi_endproc.
3491         (output_loc_operands_raw, output_loc_sequence_raw): New.
3492         (output_cfa_loc_raw): New.
3493
3494 2008-08-05  Paul Brook  <paul@codesourcery.com>
3495
3496         * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
3497         * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
3498         (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
3499         (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
3500         * config/arm/arm.h (TARGET_VFPD32): Define.
3501         (TARGET_VFP3): Use TARGET_VFPD32.
3502         (fputype): Add FPUTYPE_VFP3D16.
3503         (LAST_VFP_REGNUM): Use TARGET_VFPD32.
3504         * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
3505         * config/arm/arm-cores.def: Add cortex-r4f.
3506         * config/arm/arm-tune.md: Regenerate.
3507
3508 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3509
3510         * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
3511         Reword some comments throughout the file.
3512
3513         (MFC_MIN_DMA_LIST_ELEMENTS): New define.
3514         (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
3515         (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of MFC_MIN_DMA_LIST_ELEMENTS.
3516         (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of MFC_MAX_DMA_LIST_ELEMENTS.
3517
3518         (MFC_START_ENABLE): Remove PPU-only define.
3519         (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
3520         (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.
3521
3522         (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
3523         (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
3524         (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
3525         (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
3526         (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
3527         (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
3528         (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.
3529
3530         (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
3531         (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
3532         (mfc_sdcrt, mfc_sdcrtst): Likewise.
3533         (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.
3534
3535         (spu_read_machine_status): Fix typo.
3536
3537 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3538
3539         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
3540         SUBREG of multi-word hard register.
3541         * config/spu/spu.c (valid_subreg): Likewise.
3542         (adjust_operand): Handle SUBREGs of multi-word hard registers.
3543
3544 2008-08-04  Richard Guenther  <rguenther@suse.de>
3545
3546         * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
3547         the candidate with the stripped base if that base is different
3548         from the original base even for offset zero.
3549
3550 2008-08-04  Richard Guenther  <rguenther@suse.de>
3551
3552         PR middle-end/36691
3553         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
3554         check for no_overflow.
3555
3556 2008-08-04  Richard Guenther  <rguenther@suse.de>
3557
3558         * tree-vect-transform.c (vectorizable_call): Fix tuplification.
3559
3560 2008-08-04  Paul Brook  <paul@codesourcery.com>
3561
3562         * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
3563         (arm_order_regs_for_local_alloc): New function.
3564         * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
3565         prototype.
3566         * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.
3567
3568 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3569
3570         PR target/37012
3571         * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
3572         instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
3573         (ix86_expand_epilogue): Likewise.
3574
3575 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3576
3577         * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
3578         in comments.
3579
3580 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3581
3582         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
3583         to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
3584         (*movv2sf_internal_rex64): Ditto.
3585
3586 2008-08-03  Jan Hubicka  <jh@suse.cz>
3587
3588         * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
3589         expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
3590         * expmed.c (expand_smod_pow2): Likewise.
3591
3592 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3593
3594         PR target/36992
3595         * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
3596         alternative 0 of operand 1.
3597         (*vec_concatv2di_rex64_sse): Ditto.
3598         (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
3599         of operand 1.
3600         (*sse2_storeq_rex64): Penalize allocation of "r" registers.
3601         * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
3602         of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
3603         (*movv2sf_internal_rex64): Ditto.
3604
3605 2008-08-02  Richard Guenther  <rguenther@suse.de>
3606
3607         PR target/35252
3608         * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
3609         (ssedoublesizemode): New mode attribute.
3610         (sse_shufps): Call gen_sse_shufps_v4sf.
3611         (sse_shufps_1): Macroize.
3612         (sse2_shufpd): Call gen_Sse_shufpd_v2df.
3613         (sse2_shufpd_1): Macroize.
3614         (vec_extract_odd, vec_extract_even): New expanders.
3615         (vec_interleave_highv4sf, vec_interleave_lowv4sf,
3616         vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
3617         * i386.c (ix86_expand_vector_init_one_nonzero): Call
3618         gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
3619         (ix86_expand_vector_set): Likewise.
3620         (ix86_expand_reduc_v4sf): Likewise.
3621
3622 2008-08-01  Doug Kwan  <dougkwan@google.com>
3623
3624         * matrix-reorg.c: Re-enable all code.
3625         (struct malloc_call_data): Change CALL_STMT to gimple type.
3626         (collect_data_for_malloc_call): Tuplify.
3627         (struct access_site_info): Change STMT to gimple type.
3628         (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
3629         and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
3630         (struct free_info): Change STMT to gimple type.
3631         (struct matrix_access_phi_node):  Change PHI to gimple type.
3632         (get_inner_of_cast_expr): Remove.
3633         (may_flatten_matrices_1): Tuplify.
3634         (may_flatten_matrices): Ditto.
3635         (mark_min_matrix_escape_level): Ditto.
3636         (ssa_accessed_in_tree): Refactor statement RHS related code into ...
3637         (ssa_accessed_in_call_rhs): New
3638         (ssa_accessed_in_assign_rhs): New
3639         (record_access_alloc_site_info): Tuplify.
3640         (add_allocation_site): Ditto.
3641         (analyze_matrix_allocation_site): Ditto.
3642         (analyze_transpose): Ditto.
3643         (get_index_from_offset): Ditto.
3644         (update_type_size): Ditto.
3645         (analyze_accesses_for_call_expr): Tuplify and renamed into ...
3646         (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
3647         (analyze_accesses_for_phi_node): Tuplify.
3648         (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
3649         (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
3650         (analyze_matrix_accesses): Tuplify.
3651         (check_var_data): New call-back type for check_var_notmodified_p.
3652         (check_var_notmodified_p): Tuplify and use call-back struct to
3653         return statement found.
3654         (can_calculate_expr_before_stmt): Factor out statement related code
3655         into ...
3656         (can_calculate_stmt_before_stmt): New.
3657         (check_allocation_function): Tuplify.
3658         (find_sites_in_func): Ditto.
3659         (record_all_accesses_in_func): Ditto.
3660         (transform_access_sites): Ditto.
3661         (transform_allocation_sites): Ditto.
3662         (matrix_reorg): Re-enable.
3663         (gate_matrix_reorg): Re-enable.
3664
3665 2008-08-01  Jakub Jelinek  <jakub@redhat.com>
3666
3667         * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
3668         for labels for which it hasn't been set yet.  If it has been set,
3669         stop walking insns and continue with next worklist item.
3670         (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
3671         if the only BARRIER is at the very end of a function.
3672
3673 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3674
3675         * cfgexpand.c (expand_stack_alignment): Assert that
3676         stack_realign_drap and drap_rtx must match.
3677
3678         * function.c (instantiate_new_reg): If DRAP is used to realign
3679         stack, replace virtual_incoming_args_rtx with internal arg
3680         pointer.
3681
3682 2008-08-01  Richard Guenther  <rguenther@suse.de>
3683
3684         * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
3685         loop information only if we initialized it.
3686         (execute_pre): Call fini_pre with in_fre.
3687         * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
3688         if we do not unroll because we hit max-completely-peeled-insns.
3689         Use our estimation for consistency, do allow shrinking.
3690
3691 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3692
3693         * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
3694         with MIN_STACK_BOUNDARY.
3695         (ix86_update_stack_boundary): Likewise.
3696         (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
3697         STACK_BOUNDARY.
3698
3699         * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
3700         (MIN_STACK_BOUNDARY): This.
3701
3702 2008-08-01  Richard Guenther  <rguenther@suse.de>
3703
3704         PR middle-end/36997
3705         * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
3706
3707 2008-08-01  Richard Guenther  <rguenther@suse.de>
3708
3709         PR tree-optimization/36988
3710         * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
3711         do not matter if that doesn't change volatile qualification.
3712
3713 2008-08-01  Paolo Bonzini  <bonzini@gnu.org>
3714
3715         * configure.ac: Do not generate libada-mk.  Do not subst
3716         host_cc_for_libada.
3717         * libada-mk.in: Remove.
3718         * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
3719         * configure: Regenerate.
3720
3721 2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>
3722
3723         * tree-pass.h: Added comment about not dumping passes with name
3724         starting with star in struct opt_pass.
3725         * passes.c (register_dump_files_1): Don't do dump for a pass with
3726         name starting with star.
3727         * doc/passes.texi (Pass manager): Mention pass names and special
3728         meaning of star prefix to avoid dump.
3729
3730 2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>
3731
3732         * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
3733         to MIPS64r2.
3734         * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
3735         (ISA_MIPS64R2): New macro.
3736         (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
3737         (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
3738         ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
3739         ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
3740         ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
3741         ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
3742         ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
3743         (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
3744         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
3745         Move up to keep list alphabetically sorted.
3746         (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
3747         * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
3748         processor.
3749         * doc/invoke.texi (MIPS Options): Add -mips64r2.
3750         (-march=@var{arch}): Add mips64r2.
3751
3752 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3753
3754         * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.
3755
3756 2008-07-31  Steve Ellcey  <sje@cup.hp.com>
3757
3758         * expr.c (expand_assignment): Check for complete type.
3759
3760 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3761
3762         PR debug/36977
3763         * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.
3764
3765         * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
3766         for stack alignment.
3767
3768         * function.h (rtl_data): Add stack_realign_tried.  Update comments.
3769
3770 2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>
3771
3772         * config/sh/sh.c (sh_canonical_va_list_type): Remove.
3773         (TARGET_CANONICAL_VA_LIST_TYPE): Remove.
3774
3775 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
3776
3777         PR rtl-optimization/36419
3778         * dwarf2out.c (barrier_args_size): New variable.
3779         (compute_barrier_args_size, compute_barrier_args_size_1): New
3780         functions.
3781         (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
3782         if not called yet in the current function, use barrier_args_size
3783         array to find the new args_size value.
3784         (dwarf2out_frame_debug): Free and clear barrier_args_size.
3785
3786 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3787
3788         PR debug/36980
3789         * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
3790         rule 19.
3791
3792 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3793
3794         PR debug/36976
3795         * dwarf2out.c (dwarf2out_args_size_adjust): New.
3796         (dwarf2out_stack_adjust): Use it.
3797         (dwarf2out_frame_debug_expr): Likewise.
3798
3799 2008-07-31  Richard Guenther  <rguenther@suse.de>
3800
3801         PR tree-optimization/36978
3802         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
3803         the generated condition.
3804
3805 2008-07-31  Richard Guenther  <rguenther@suse.de>
3806
3807         * passes.c (init_optimization_passes): Always call
3808         pass_early_warn_uninitialized.
3809         * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
3810         * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
3811         * doc/passes.texi (Warn for uninitialized variables): Adjust.
3812
3813 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
3814
3815         PR c/36970
3816         * builtins.c (maybe_emit_free_warning): New function.
3817         (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
3818         maybe_emit_free_warning for BUILT_IN_FREE.
3819
3820         PR debug/36278
3821         * dwarf2out.c (get_context_die): New function.
3822         (force_decl_die, force_type_die): Use it.
3823         (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
3824         returns NULL, force generation of DW_TAG_typedef and put that into
3825         DW_AT_import.
3826
3827         PR preprocessor/36649
3828         * c-pch.c (c_common_read_pch): Save and restore
3829         line_table->trace_includes across PCH restore.
3830
3831 2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>
3832
3833         PR ada/36554
3834         * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
3835
3836 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
3837
3838         PR 36974
3839         * final.c (call_from_call_insn): Handle COND_EXEC.
3840
3841 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
3842
3843         * builtins.c (std_gimplify_va_arg_expr): Replace
3844         PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
3845         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3846
3847 2008-07-30  Joey Ye  <joey.ye@intel.com>
3848             H.J. Lu  <hongjiu.lu@intel.com>
3849
3850         * builtins.c (expand_builtin_setjmp_receiver): Replace
3851         virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
3852         (expand_builtin_apply_args_1): Likewise.
3853         (expand_builtin_longjmp): Need DRAP for stack alignment.
3854         (expand_builtin_apply): Likewise.
3855
3856         * caller-save.c (setup_save_areas): Call assign_stack_local_1
3857         instead of assign_stack_local to allow alignment reduction.
3858
3859         * calls.c (emit_call_1): Need DRAP for stack alignment if
3860         return pops.
3861         (expand_call): Replace virtual_incoming_args_rtx with
3862         crtl->args.internal_arg_pointer.
3863         * stmt.c (expand_nl_goto_receiver): Likewise.
3864
3865         * cfgexpand.c (get_decl_align_unit): Estimate stack variable
3866         alignment and store to stack_alignment_estimated and
3867         max_used_stack_slot_alignment.
3868         (expand_one_var): Likewise.
3869         (expand_stack_alignment): New function.
3870         (tree_expand_cfg): Initialize max_used_stack_slot_alignment
3871         and stack_alignment_estimated fields in rtl_data.  Call
3872         expand_stack_alignment at end.
3873
3874         * defaults.h (INCOMING_STACK_BOUNDARY): New.
3875         (MAX_STACK_ALIGNMENT): Likewise.
3876         (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
3877         (SUPPORTS_STACK_ALIGNMENT): Likewise.
3878
3879         * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
3880         stack alignment when generating virtual registers.
3881
3882         * function.c (assign_stack_local): Renamed to ...
3883         (assign_stack_local_1): This.  Add a parameter to indicate
3884         if it is OK to reduce alignment.
3885         (assign_stack_local): Use it.
3886         (instantiate_new_reg): Instantiate virtual incoming args rtx
3887         to vDRAP if stack realignment and DRAP is needed.
3888         (assign_parms): Collect parameter/return type alignment and
3889         contribute to stack_alignment_estimated.
3890         (locate_and_pad_parm): Likewise.
3891         (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
3892         with crtl->args.internal_arg_pointer.
3893
3894         * function.h (rtl_data): Add new field drap_reg,
3895         max_used_stack_slot_alignment, stack_alignment_estimated,
3896         stack_realign_needed, need_drap, stack_realign_processed and
3897         stack_realign_finalized.
3898         (stack_realign_fp): New macro.
3899         (stack_realign_drap): Likewise.
3900
3901         * global.c (compute_regsets): Frame pointer is needed when
3902         stack is realigned.  Can eliminate frame pointer when stack is
3903         realigned and dynamic realigned argument pointer isn't used.
3904
3905         * reload1.c (update_eliminables):  Frame pointer is needed
3906         when stack is realigned.
3907         (init_elim_table): Can eliminate frame pointer when stack is
3908         realigned and dynamic realigned argument pointer isn't used.
3909
3910         * rtl.h (assign_stack_local_1): Declare new funtion.
3911
3912         * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
3913         (TARGET_GET_DRAP_RTX): Likewise.
3914         (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
3915         TARGET_GET_DRAP_RTX.
3916
3917         * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.
3918
3919         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
3920         STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
3921
3922 2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
3923             H.J. Lu  <hongjiu.lu@intel.com>
3924
3925         * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
3926         vdrap_reg, stack_realign and drap_reg_saved.
3927         (add_cfi): Don't allow redefining CFA when DRAP is used.
3928         (reg_save): Handle stack alignment.
3929         (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
3930         alignment.  Don't generate DWARF information for (set fp sp)
3931         when DRAP is used.
3932         (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
3933         to INVALID_REGNUM.
3934         (int_loc_descriptor): Move prototype forward.  Also define if
3935         DWARF2_UNWIND_INFO is true.
3936         (output_cfa_loc): Handle DW_CFA_expression.
3937         (build_cfa_aligned_loc): New.
3938         (based_loc_descr): Update assert for stack realign.  For local
3939         variables, use sp+offset when stack is aligned without drap and
3940         fp+offset when stack is aligned with drap.  For arguments, use
3941         cfa+offset when drap is used to align stack.
3942
3943 2008-07-30  Joey Ye  <joey.ye@intel.com>
3944             H.J. Lu  <hongjiu.lu@intel.com>
3945
3946         * config/i386/i386.c (ix86_force_align_arg_pointer_string):
3947         Break long line.
3948         (ix86_gen_andsp): New.
3949         (ix86_user_incoming_stack_boundary): Likewise.
3950         (ix86_default_incoming_stack_boundary): Likewise.
3951         (ix86_incoming_stack_boundary): Likewise.
3952         (ix86_can_eliminate): Likewise.
3953         (find_drap_reg): Likewise.
3954         (ix86_update_stack_boundary): Likewise.
3955         (ix86_get_drap_rtx): Likewise.
3956         (ix86_finalize_stack_realign_flags): Likewise.
3957         (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
3958         (TARGET_GET_DRAP_RTX): Likewise.
3959         (override_options): Overide option value for new options.
3960         (ix86_function_ok_for_sibcall): Remove check for
3961         force_align_arg_pointer.
3962         (ix86_handle_cconv_attribute): Likewise.
3963         (ix86_function_regparm): Likewise.
3964         (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
3965         (ix86_va_start): Replace virtual_incoming_args_rtx with
3966         crtl->args.internal_arg_pointer.
3967         (ix86_select_alt_pic_regnum): Check DRAP register.
3968         (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
3969         (ix86_compute_frame_layout): Compute frame layout wrt stack
3970         realignment.
3971         (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
3972         (ix86_expand_prologue): Decide if stack realignment is needed
3973         and generate prologue code accordingly.
3974         (ix86_expand_epilogue): Generate epilogue code wrt stack
3975         realignment is really needed or not.
3976
3977         * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
3978         (ABI_STACK_BOUNDARY): Likewise.
3979         (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
3980         (STACK_REALIGN_DEFAULT): Likewise.
3981         (INCOMING_STACK_BOUNDARY): Likewise.
3982         (MAX_STACK_ALIGNMENT): Likewise.
3983         (ix86_incoming_stack_boundary): Likewise.
3984         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
3985         (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
3986         (CAN_ELIMINATE): Defined with ix86_can_eliminate.
3987         (machine_function): Remove force_align_arg_pointer.
3988
3989         * config/i386/i386.md (BX_REG): New.
3990         (R13_REG): Likewise.
3991
3992         * config/i386/i386.opt (mforce_drap): New.
3993         (mincoming-stack-boundary): Likewise.
3994         (mstackrealign): Add Init(-1).
3995
3996         * config/i386/i386-protos.h (ix86_can_eliminate): New
3997
3998 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
3999
4000         * doc/extend.texi: Update force_align_arg_pointer.
4001
4002         * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
4003         -mstackrealign.
4004
4005         * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
4006         (INCOMING_STACK_BOUNDARY): Likewise.
4007         (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
4008         (TARGET_GET_DRAP_RTX): Likewise.
4009
4010 2008-07-30  Andreas Schwab  <schwab@suse.de>
4011
4012         PR rtl-optimization/36929
4013         * dse.c (replace_inc_dec): Use emit_insn_before instead of
4014         add_insn_before and fix argument order.
4015         (replace_inc_dec_mem): Handle NULL rtx.
4016
4017 2008-07-30  Andrew Jenner  <andrew@codesourcery.com>
4018
4019         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
4020         function.
4021         (arm_compute_initial_elimination_offset): Use it.
4022         (arm_compute_save_reg_mask): Include static chain save slot when
4023         calculating alignment.
4024         (arm_get_frame_offsets): Ditto.
4025         (thumb1_compute_save_reg_mask): Ensure we have a low register saved
4026         that we can use to decrement the stack when the stack decrement
4027         could be too big for an immediate value in a single insn.
4028         (thumb1_expand_prologue): Avoid using r12 for stack decrement.
4029
4030 2008-07-30  Richard Guenther  <rguenther@suse.de>
4031
4032         PR tree-optimization/36967
4033         * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
4034         Release defs of statements we remove.
4035
4036 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
4037
4038         * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
4039         instead of NULL_RTVEC.
4040
4041 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
4042
4043         PR target/35866
4044
4045         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
4046         vector modes.
4047
4048 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
4049
4050         * final.c (call_from_call_insn): New.
4051         (final_scan_insn): Call assemble_external on FUNCTION_DECLs.
4052
4053 2008-07-30  Paolo Bonzini  <bonzini@gnu.org>
4054
4055         * configure.ac: Substitute ADA_CFLAGS.
4056         * configure: Regenerate.
4057         * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
4058         * Makefile.in: Remove mention of X_* variables.
4059         * config/pa/x-ada-hpux10: Remove.
4060         * config/pa/x-ada: Remove.
4061
4062         * doc/fragments.texi: Update.
4063
4064 2008-07-30  Olivier Hainque  <hainque@adacore.com>
4065
4066         * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
4067         * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
4068         __dso_handle explicitly here.
4069
4070 2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4071
4072         PR 34389
4073         * c-typeck.c (build_binary_op): Encapsulate code into...
4074         * c-common.c (shorten_binary_op): ...this new function.
4075         (conversion_warning): Use the new function. Handle non-negative
4076         constant in bitwise-and.
4077         * c-common.h (shorten_binary_op): Declare.
4078
4079 2008-07-30  Olivier Hainque  <hainque@adacore.com>
4080
4081         * scan.c (make_sstring_space): Add explicit conversions of
4082         allocator's return value.
4083         * fix-header.c (recognized_function): Likewise.
4084
4085 2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4086
4087         * doc/cpp.texi: Update to GFDL 1.2.
4088         * doc/gcc.texi: Do not list GPL as Invariant Section.
4089         * doc/gccint.texi: Likewise.  Update copyright years.
4090         * doc/install.texi: Update copyright years.
4091
4092 2008-07-30  Alan Modra  <amodra@bigpond.net.au>
4093
4094         PR target/36955
4095         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
4096         a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.
4097
4098 2008-07-29  Jan Hubicka  <jh@suse.cz>
4099
4100         * c-decl.c (merge_decls): Do not handle DECL_INLINE.
4101         (grokdeclarator): Likewise.
4102         * langhooks.c (lhd_warn_unused_global_decl): Use
4103         DECL_DECLARED_INLINE_P.
4104         * print-tree.c (print_node): Remove DECL_INLINE check.
4105
4106 2008-07-29  Richard Guenther  <rguenther@suse.de>
4107
4108         PR tree-optimization/36945
4109         * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
4110         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
4111         Record invariant addresses un-decomposed.
4112         (copy_reference_ops_from_call): Record reference call
4113         arguments properly.  Simplify.
4114         * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
4115         helper split out from ...
4116         (create_component_ref_by_pieces): ... here.  Simplify.
4117         Prepare for recursive invocation for call arguments.
4118         (create_expression_by_pieces): Adjust call to
4119         create_component_ref_by_pieces.
4120         (compute_avail): Process operand 2 of reference ops.
4121
4122 2008-07-29  Richard Guenther  <rguenther@suse.de>
4123
4124         * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.
4125
4126 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
4127
4128         * c-format.c (check_format_types): Revert unwanted checkin.
4129
4130 2008-07-29  Jan Hubicka  <jh@suse.cz>
4131
4132         * flags.h (flag_really_no_inline): Remove.
4133         * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
4134         * toplev.c (flag_really_no_inline): Remove.
4135         * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
4136         * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
4137         (cgraph_decide_inlining_incrementally): Likewise.
4138         (compute_inline_parameters): Likewise.
4139         * opts.c (decode_options): Simplify.
4140         * c-opts.c (c_common_post_options): Do not set flag_no_inline.
4141         * common.opt (finline): Initialize to 1.
4142         * tree-inline.c (inlinable_function_p): Check flag_no_inline.
4143
4144 2008-07-29  Jan Hubicka  <jh@suse.cz>
4145
4146         * predict.c (always_optimize_for_size_p): New function.
4147         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
4148         optimize_edge_for_size_p, optimize_edge_for_speed_p,
4149         optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
4150         functions.
4151         (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
4152         * function.c (prepare_function_start): Set default profile.
4153         * function.h (rtl_data): Add maybe_hot_insn_p.
4154         * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
4155         (construct_exit_block): Likewise.
4156         (tree_expand_cfg): Likewise.
4157         * basic-block.h
4158         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
4159         optimize_edge_for_size_p, optimize_edge_for_speed_p,
4160         optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
4161         (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
4162         Declare.
4163
4164 2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4165
4166         PR 34985
4167         * c-decl.c (merge_decls): Merge USED flags.
4168
4169 2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
4170
4171         * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
4172         valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
4173         next_stack, lab_false and lab_over trees.
4174
4175 2008-07-28  Richard Guenther  <rguenther@suse.de>
4176
4177         PR tree-optimization/36957
4178         * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
4179         (useless_type_conversion_p): Remove.
4180         (types_compatible_p): Remove.
4181         * gimple.h (tree_ssa_useless_type_conversion): Declare.
4182         (useless_type_conversion_p): Declare.
4183         (types_compatible_p): Declare.
4184         (gimple_expr_type): Return the base type only if it is
4185         trivially convertible to the subtype.
4186
4187 2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>
4188
4189         * configure.ac: Use the m4_do macro to concatenate the warnings into
4190         one string in ACX_PROG_CC_WARNING_OPTS,
4191         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
4192         * configure: Regenerate.
4193
4194 2008-07-28  Richard Guenther  <rguenther@suse.de>
4195
4196         * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
4197         (insert_fake_stores): Remove.
4198         (realify_fake_stores): Likewise.
4199         (execute_pre): Remove dead code.
4200         * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
4201         (find_func_aliases): Deal with it here instead.
4202         Re-enable gcc_unreachable call.
4203
4204 2008-07-28  Richard Guenther  <rguenther@suse.de>
4205
4206         Merge from gimple-tuples-branch.
4207
4208         * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
4209         * gimple.def: New file.
4210         * gsstruct.def: Likewise.
4211         * gimple-iterator.c: Likewise.
4212         * gimple-pretty-print.c: Likewise.
4213         * tree-gimple.c: Removed.  Merged into ...
4214         * gimple.c: ... here.  New file.
4215         * tree-gimple.h: Removed.  Merged into ...
4216         * gimple.h: ... here.  New file.
4217
4218         * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
4219         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
4220         --enable-checking=gimple flag.
4221         * config.in: Likewise.
4222         * configure: Regenerated.
4223
4224         * tree-ssa-operands.h: Tuplified.
4225         * tree-vrp.c: Likewise.
4226         * tree-loop-linear.c: Likewise.
4227         * tree-into-ssa.c: Likewise.
4228         * tree-ssa-loop-im.c: Likewise.
4229         * tree-dump.c: Likewise.
4230         * tree-complex.c: Likewise.
4231         * cgraphbuild.c: Likewise.
4232         * tree-ssa-threadupdate.c: Likewise.
4233         * tree-ssa-loop-niter.c: Likewise.
4234         * tree-pretty-print.c: Likewise.
4235         * tracer.c: Likewise.
4236         * gengtype.c: Likewise.
4237         * tree-loop-distribution.c: Likewise.
4238         * tree-ssa-loop-unswitch.c: Likewise.
4239         * cgraph.c: Likewise.
4240         * cgraph.h: Likewise.
4241         * tree-ssa-loop-manip.c: Likewise.
4242         * value-prof.c: Likewise.
4243         * tree-ssa-loop-ch.c: Likewise.
4244         * tree-tailcall.c: Likewise.
4245         * value-prof.h: Likewise.
4246         * tree.c: Likewise.
4247         * tree.h: Likewise.
4248         * tree-pass.h: Likewise.
4249         * ipa-cp.c: Likewise.
4250         * tree-scalar-evolution.c: Likewise.
4251         * tree-scalar-evolution.h: Likewise.
4252         * target.h: Likewise.
4253         * lambda-mat.c: Likewise.
4254         * tree-phinodes.c: Likewise.
4255         * diagnostic.h: Likewise.
4256         * builtins.c: Likewise.
4257         * tree-ssa-alias-warnings.c: Likewise.
4258         * cfghooks.c: Likewise.
4259         * fold-const.c: Likewise.
4260         * cfghooks.h: Likewise.
4261         * omp-low.c: Likewise.
4262         * tree-ssa-dse.c: Likewise.
4263         * ipa-reference.c: Likewise.
4264         * tree-ssa-uncprop.c: Likewise.
4265         * toplev.c: Likewise.
4266         * tree-gimple.c: Likewise.
4267         * tree-gimple.h: Likewise.
4268         * tree-chrec.c: Likewise.
4269         * tree-chrec.h: Likewise.
4270         * tree-ssa-sccvn.c: Likewise.
4271         * tree-ssa-sccvn.h: Likewise.
4272         * cgraphunit.c: Likewise.
4273         * tree-ssa-copyrename.c: Likewise.
4274         * tree-ssa-ccp.c: Likewise.
4275         * tree-ssa-loop-ivopts.c: Likewise.
4276         * tree-nomudflap.c: Likewise.
4277         * tree-call-cdce.c: Likewise.
4278         * ipa-pure-const.c: Likewise.
4279         * c-format.c: Likewise.
4280         * tree-stdarg.c: Likewise.
4281         * tree-ssa-math-opts.c: Likewise.
4282         * tree-ssa-dom.c: Likewise.
4283         * tree-nrv.c: Likewise.
4284         * tree-ssa-propagate.c: Likewise.
4285         * ipa-utils.c: Likewise.
4286         * tree-ssa-propagate.h: Likewise.
4287         * tree-ssa-alias.c: Likewise.
4288         * gimple-low.c: Likewise.
4289         * tree-ssa-sink.c: Likewise.
4290         * ipa-inline.c: Likewise.
4291         * c-semantics.c: Likewise.
4292         * dwarf2out.c: Likewise.
4293         * expr.c: Likewise.
4294         * tree-ssa-loop-ivcanon.c: Likewise.
4295         * predict.c: Likewise.
4296         * tree-ssa-loop.c: Likewise.
4297         * tree-parloops.c: Likewise.
4298         * tree-ssa-address.c: Likewise.
4299         * tree-ssa-ifcombine.c: Likewise.
4300         * matrix-reorg.c: Likewise.
4301         * c-decl.c: Likewise.
4302         * tree-eh.c: Likewise.
4303         * c-pretty-print.c: Likewise.
4304         * lambda-trans.c: Likewise.
4305         * function.c: Likewise.
4306         * langhooks.c: Likewise.
4307         * ebitmap.h: Likewise.
4308         * tree-vectorizer.c: Likewise.
4309         * function.h: Likewise.
4310         * langhooks.h: Likewise.
4311         * tree-vectorizer.h: Likewise.
4312         * ipa-type-escape.c: Likewise.
4313         * ipa-type-escape.h: Likewise.
4314         * domwalk.c: Likewise.
4315         * tree-if-conv.c: Likewise.
4316         * profile.c: Likewise.
4317         * domwalk.h: Likewise.
4318         * tree-data-ref.c: Likewise.
4319         * tree-data-ref.h: Likewise.
4320         * tree-flow-inline.h: Likewise.
4321         * tree-affine.c: Likewise.
4322         * tree-vect-analyze.c: Likewise.
4323         * c-typeck.c: Likewise.
4324         * gimplify.c: Likewise.
4325         * coretypes.h: Likewise.
4326         * tree-ssa-phiopt.c: Likewise.
4327         * calls.c: Likewise.
4328         * tree-ssa-coalesce.c: Likewise.
4329         * tree.def: Likewise.
4330         * tree-dfa.c: Likewise.
4331         * except.c: Likewise.
4332         * except.h: Likewise.
4333         * cfgexpand.c: Likewise.
4334         * tree-cfgcleanup.c: Likewise.
4335         * tree-ssa-pre.c: Likewise.
4336         * tree-ssa-live.c: Likewise.
4337         * tree-sra.c: Likewise.
4338         * tree-ssa-live.h: Likewise.
4339         * tree-predcom.c: Likewise.
4340         * lambda.h: Likewise.
4341         * tree-mudflap.c: Likewise.
4342         * ipa-prop.c: Likewise.
4343         * print-tree.c: Likewise.
4344         * tree-ssa-copy.c: Likewise.
4345         * ipa-prop.h: Likewise.
4346         * tree-ssa-forwprop.c: Likewise.
4347         * ggc-page.c: Likewise.
4348         * c-omp.c: Likewise.
4349         * tree-ssa-dce.c: Likewise.
4350         * tree-vect-patterns.c: Likewise.
4351         * tree-ssa-ter.c: Likewise.
4352         * tree-nested.c: Likewise.
4353         * tree-ssa.c: Likewise.
4354         * lambda-code.c: Likewise.
4355         * tree-ssa-loop-prefetch.c: Likewise.
4356         * tree-inline.c: Likewise.
4357         * tree-inline.h: Likewise.
4358         * tree-iterator.c: Likewise.
4359         * tree-optimize.c: Likewise.
4360         * tree-ssa-phiprop.c: Likewise.
4361         * tree-vect-transform.c: Likewise.
4362         * tree-object-size.c: Likewise.
4363         * tree-outof-ssa.c: Likewise.
4364         * cfgloop.c: Likewise.
4365         * system.h: Likewise.
4366         * tree-profile.c: Likewise.
4367         * cfgloop.h: Likewise.
4368         * c-gimplify.c: Likewise.
4369         * c-common.c: Likewise.
4370         * tree-vect-generic.c: Likewise.
4371         * tree-flow.h: Likewise.
4372         * c-common.h: Likewise.
4373         * basic-block.h: Likewise.
4374         * tree-ssa-structalias.c: Likewise.
4375         * tree-switch-conversion.c: Likewise.
4376         * tree-ssa-structalias.h: Likewise.
4377         * tree-cfg.c: Likewise.
4378         * passes.c: Likewise.
4379         * ipa-struct-reorg.c: Likewise.
4380         * ipa-struct-reorg.h: Likewise.
4381         * tree-ssa-reassoc.c: Likewise.
4382         * cfgrtl.c: Likewise.
4383         * varpool.c: Likewise.
4384         * stmt.c: Likewise.
4385         * tree-ssanames.c: Likewise.
4386         * tree-ssa-threadedge.c: Likewise.
4387         * langhooks-def.h: Likewise.
4388         * tree-ssa-operands.c: Likewise.
4389         * config/alpha/alpha.c: Likewise.
4390         * config/frv/frv.c: Likewise.
4391         * config/s390/s390.c: Likewise.
4392         * config/m32c/m32c.c: Likewise.
4393         * config/m32c/m32c-protos.h: Likewise.
4394         * config/spu/spu.c: Likewise.
4395         * config/sparc/sparc.c: Likewise.
4396         * config/i386/i386.c: Likewise.
4397         * config/sh/sh.c: Likewise.
4398         * config/xtensa/xtensa.c: Likewise.
4399         * config/stormy16/stormy16.c: Likewise.
4400         * config/ia64/ia64.c: Likewise.
4401         * config/rs6000/rs6000.c: Likewise.
4402         * config/pa/pa.c: Likewise.
4403         * config/mips/mips.c: Likewise.
4404
4405 2008-07-28  Simon Baldwin  <simonb@google.com>
4406
4407         * c-pragma.c (handle_pragma_message): New function.
4408         (init_pragma): Register handle_pragma_message.
4409         * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
4410         documentation.
4411
4412 2008-07-27  Victor Kaplansky  <victork@il.ibm.com>
4413
4414         PR tree-optimization/35252
4415         * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
4416         REALPART_EXPR to be considered as same load operation.
4417
4418 2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>
4419
4420         PR tree-optimization/36830
4421         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
4422         (expressions_equal_p): Return false if only one operand is null.
4423
4424 2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>
4425
4426         * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
4427         version requirements.
4428
4429 2008-07-26  Olivier Hainque  <hainque@adacore.com>
4430
4431         * collect2.c (symkind): New enum.  Symbol kinds we care about.
4432         (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
4433         code and head comment accordingly.
4434         (scan_prog_file): Use symkind names instead of bare integers.
4435
4436 2008-07-25  Jan Hubicka  <jh@suse.cz>
4437
4438         * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
4439         DECL_INLINE.
4440         * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
4441         (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
4442         * dojump.c (clear_pending_stack_adjust): Likewise.
4443         * print-tree.c (print_node): Ignore DECL_INLINE.
4444         * tree-inline.c (inlinable_function_p): Likewise.
4445
4446 2008-07-25  Michael Meissner  <gnu@the-meissners.org>
4447
4448         * doc/extend.texi (hot attribute): Document that the hot attribute
4449         turns on -O3 for some ports.
4450         (cold attribute): Document that the cold attribute turns on -Os
4451         for some ports
4452
4453         * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
4454         reflect function specific option support.
4455
4456         * target.h (struct target_option_hooks): Add fields to say whether
4457         the cold attribute implies -Os and the hot attribute implies -O3.
4458
4459         * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
4460         By default, do not turn on -Os for cold functions.
4461         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
4462         not turn on -O3 for hot functions.
4463
4464         * c-common.c (handle_hot_attribute): Use target hook to determine
4465         if hot functions should enable -O3.
4466         (handle_cold_attribute): Use target hook to determine if cold
4467         functions should enable -Os.
4468
4469         * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
4470         (override_options): Move disable scheduling to
4471         optimization_options.
4472         (optimization_options): Disable scheduling here, not
4473         override_options.
4474         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4475         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4476
4477         * config/ia64/ia64.c (ia64_override_options): Move setting
4478         scheduling flags to ia64_optimization_options.
4479         (ia64_optimization_options): Disable scheduling options here, and
4480         not in ia64_override_options.
4481         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4482         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4483
4484 2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>
4485
4486         PR target/36936
4487         * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.
4488
4489 2008-07-25  Martin Jambor  <mjambor@suse.cz>
4490
4491         PR tree-optimization/36926
4492         * ipa-prop.c (ipa_analyze_call_uses): Call
4493         ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.
4494
4495 2008-07-25  Joseph Myers  <joseph@codesourcery.com>
4496
4497         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4498         movv2si_internal): Add mem = reg alternative.
4499
4500 2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>
4501
4502         PR bootstrap/36918
4503         * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
4504         DEFAULT_PCC_STRUCT_RETURN to 127.
4505
4506 2008-07-24  Jan Hubicka  <jh@suse.cz>
4507
4508         * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
4509         (build_cgraph_edges): Likewise.
4510         * cgraph.c (cgraph_node): Do not update assembler hash.
4511         (cgraph_remove_node): Drop non-unit-at-a-time code.
4512         * tree-pass.h (pass_O0_always_inline): Remove.
4513         * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
4514         * toplev.c (process_options): Flag unit-at-a-time does not imply
4515         no section anchors.
4516         * cgraphunit.c: Update comments.
4517         (decide_is_function_needed): Drop non-unit-at-a-time mode.
4518         (cgraph_assemble_pending_functions): Remove.
4519         (cgraph_reset_node): Drop non-unit-at-a-time code.
4520         (cgraph_finalize_function): Likewise.
4521         (cgraph_analyze_function): Likewise.
4522         (cgraph_finalize_compilation_unit): Likewise.
4523         (cgraph_expand_function): Likewise.
4524         (cgraph_optimize): Likesise.
4525         (save_inline_function_body): Likewise.
4526         * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
4527         * tree-ssa-alias.c (maybe_be_aliased): Likewise.
4528         * ipa-inline.c: Update comments.
4529         (enum inlining_mode): remove INLINE_SPEED.
4530         (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
4531         (cgraph_mark_inline_edge): Likewise.
4532         (try_inline): Likewise.
4533         (cgraph_decide_inlining_incrementally): Likewise.
4534         (cgraph_gate_inlining): Remove.
4535         (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
4536         (cgraph_gate_early_inlining): Likewise.
4537         (gate_inline_passes): Remove.
4538         (pass_inline_parameters, pass_ipa_inline): Remove gates.
4539         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4540         pass_O0_always_inline): Remove.
4541         * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
4542         * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
4543         * opts.c (no_unit_at_a_time_default): Remove.
4544         (decode_options): Remove flag_unit_at_a_time reset and warning.
4545         * opts.h (no_unit_at_a_time_default): Remove.
4546         * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
4547         early in GNU dialect.
4548         (merge_decls): Update comment; drop unit-at-a-time check.
4549         (finish_decl): Likewise.
4550         (grok_declaration): Remove flag_inline_trees code.
4551         (finish_functions): Return on function returning non-void on all
4552         statics.
4553         * ipa-tye-escape.c (gate_type_escape_vars): Remove.
4554         * cfgexpand.c (expand_one_static_var): Remove.
4555         (expand_one_var): Remove expand_one_static_var call.
4556         (expand_used_vars_for_block): Remove flag_unit_a_time check.
4557         * c-opts.c (c_common_post_options): Remove flag_inline_trees code
4558         and flag_unit_at_a-time compatibility checks.
4559         * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
4560         * tree-inline.c (flag_inline_trees): Remove.
4561         (inlinable_function_p): Don't check it.
4562         (expand_call_inline): Remove non-unit-at-a-time code.
4563         * tree-inline.h (flag_inline_trees): Remove.
4564         * tree-optimize.c (execute_early_local_optimizations): Remove
4565         unit-at-a-time checks.
4566         (tree_rest_of_compilation): Likewise.
4567         * combine.c (setup_incoming_promotions): Likewise.
4568         * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
4569         * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
4570         * passes.c (pass_inline_parameters): Update comments; remove
4571         O0_alwaysinline pass.
4572         (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
4573         (execute_one_pass): Likewise.
4574         * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
4575         (ix86_function_sseregparm): Likewise.
4576         * arm.c (arm_function_in_section_p): Likewise.
4577         * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
4578         * varpool.c: Update comments.
4579         (decide_is_variable_needed): Remove unit-at-a-time checks.
4580         (varpool_finalize_decl): Likewise.
4581
4582 2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>
4583
4584         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
4585         to 2 instead of -1.
4586         (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.
4587
4588 2008-07-24  Kai Tietz  <kai.tietz@onevision.com>
4589
4590         * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
4591         imp symbol extension.
4592
4593         2008-07-23  Ian Lance Taylor  <iant@google.com>
4594
4595         * tree-vrp.c (infer_value_range): Ignore asm statements when
4596         looking for memory accesses for -fdelete-null-pointer-checks.
4597
4598 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4599
4600         * config/spu/spu-c.c (__vector_keyword): New variable.
4601         (vector_keyword): Likewise.
4602         (spu_categorize_keyword): New function.
4603         (spu_macro_to_expand): Likewise.
4604         (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
4605         compiling an ISO C dialect.
4606
4607 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4608
4609         * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
4610         conventional usage.
4611
4612 2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
4613
4614         * configure: Regenerate.
4615         * configure.ac: Require texinfo 4.7.
4616         * doc/install.texi: Document texinfo 4.7 requirement.
4617
4618 2008-07-23  Martin Jambor  <mjambor@suse.cz>
4619
4620         * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
4621         rather than for DECL_SAVED_TREE.
4622         * ipa-prop.c: Include diagnostic.h.
4623         (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
4624         thoroughly.
4625         (ipa_detect_param_modifications): Function rewritten from scratch.
4626         (ipa_compute_jump_functions): Changed accesses to modification flags.
4627         (ipa_free_node_params_substructures): Update flags destruction.
4628         (ipa_node_duplication_hook): Update flags duplication.
4629         (ipa_print_all_params_modified): Updated flag access.
4630         * ipa-prop.h (struct ipa_param_flags): New structure.
4631         (struct ipa_node_params): New field modification_analysis_done,
4632         modified_flags changed into param_flags.
4633         (ipa_is_ith_param_modified): Changed to use new flags.
4634         * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.
4635
4636         * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
4637         ipa-cp.c and split into two functions.
4638         (ipa_print_node_jump_functions): New function.
4639         (compute_scalar_jump_functions): New function.
4640         (type_like_member_ptr_p): New function.
4641         (compute_pass_through_member_ptrs): New function.
4642         (fill_member_ptr_cst_jump_function): New function.
4643         (determine_cst_member_ptr): New function.
4644         (compute_cst_member_ptr_arguments): New function.
4645         (ipa_compute_jump_functions): Complete rewrite.
4646         * ipa-prop.h (enum jump_func_type): Make explicit that we depend
4647         on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
4648         (struct ipa_member_ptr_cst): New structure.
4649         (union jump_func_value): New field member_cst.
4650         * ipa-cp.c (ipcp_lat_is_insertable): New function.
4651         (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
4652         jump function types.
4653         (ipcp_print_all_lattices): Slight fprintf rearrangement.
4654         (ipcp_print_all_structures): Call ipa_print_all_jump_functions
4655         instead of ipcp_print_all_jump_functions.
4656         (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
4657         only for replacable scalars.
4658
4659         * doc/invoke.texi (Optimize options): Add description of
4660         -findirect-inlining.
4661         * common.opt (flag_indirect_inlining): New flag.
4662         * opts.c (decode_options): Set flag_indirect_inlining when
4663         optimize >= 3.
4664
4665         * ipa-inline.c: Include ipa-prop.h.
4666         (inline_indirect_intraprocedural_analysis): New function.
4667         (inline_generate_summary): Allocate parameter and argument info
4668         structures, call inline_indirect_intraprocedural_analysis on each
4669         node when doing indirect inlining and deallocate indirect inlining
4670         data structures in the end.
4671         * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
4672         (free_all_ipa_structures_after_iinln): New function.
4673         (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
4674         done.
4675         * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.
4676
4677         * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
4678         (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4679         of computing the frequency separately.
4680         (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4681         of computing the frequency separately.
4682         * ipa-cp.c (ipcp_print_all_structures): Replace a call to
4683         ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
4684         * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
4685         (ipa_get_stmt_member_ptr_load_param): New function.
4686         (ipa_is_ssa_with_stmt_def): New function.
4687         (ipa_note_param_call): New function.
4688         (ipa_analyze_call_uses): New function.
4689         (ipa_analyze_stmt_uses): New function.
4690         (ipa_analyze_params_uses): New function.
4691         (ipa_free_node_params_substructures): Also free the param_calls linked
4692         list.
4693         (ipa_node_duplication_hook): Also duplicate the param_calls linked list.
4694         (ipa_print_node_param_flags): New function.
4695         (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
4696         (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
4697         * ipa-prop.h (struct ipa_param_flags): New field called.
4698         (struct ipa_param_call_note): New structure.
4699         (struct ipa_node_params): New fields param_calls and
4700         uses_analysis_done.
4701         (ipa_is_ith_param_called): New function.
4702         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
4703         ipa_analyze_params_uses and dump parameter flags.
4704
4705         * ipa-inline.c (cgraph_decide_recursive_inlining): Call
4706         ipa_propagate_indirect_call_infos if performing indirect inlining,
4707         pass a new parameter new_edges to it.
4708         (add_new_edges_to_heap): New fucntion.
4709         (cgraph_decide_inlining_of_small_functions): New vector
4710         new_indirect_edges for newly found indirect edges , call
4711         ipa_propagate_indirect_call_infos after inlining.
4712         (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
4713         inlining if performing indirect inlining.  Call
4714         free_all_ipa_structures_after_iinln when doing so too.
4715         (inline_generate_summary): Do not call
4716         free_all_ipa_structures_after_iinln here.
4717         * ipa-prop.c (update_jump_functions_after_inlining): New function.
4718         (print_edge_addition_message): New function.
4719         (update_call_notes_after_inlining): New function.
4720         (propagate_info_to_inlined_callees): New function.
4721         (ipa_propagate_indirect_call_infos): New function.
4722         * ipa-prop.h: Include cgraph.h
4723         (struct ipa_param_call_note): Fields reordered, new field processed.
4724         * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
4725         flag indirect_call.
4726         * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
4727         rediscovered call statements.
4728         * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
4729         (dump_cgraph_node): Dump also the indirect_call flag.
4730         (cgraph_clone_edge): Copy also the indirect_call flag.
4731         * tree-inline.c (copy_bb): Do not check for fndecls from call
4732         expressions, check for edge availability when moving clones.
4733         (get_indirect_callee_fndecl): New function.
4734         (expand_call_inline): If callee declaration is not apprent from
4735         the statement, try calling get_indirect_callee_fndecl.  Do not
4736         issue warnings or call sorry when not inlinings an indirect edge.
4737         * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.
4738
4739         * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
4740         bit more frandly to matching.
4741         * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
4742         * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
4743         * testsuite/gcc.dg/ipa/modif-1.c: New testcase.
4744
4745 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4746
4747         PR 36907
4748         * opth-gen.awk: Suppress function specific features when building
4749         target libraries.
4750         * optc-gen.awk: Ditto.
4751
4752 2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4753
4754         PR 35058
4755         * diagnostic.c (pedwarn): Add opt parameter.
4756         (pedwarn0): New.
4757         * c-tree.h (pedwarn_init): Add opt parameter.
4758         (pedwarn_c90): Likewise.
4759         (pedwarn_c99): Likewise.
4760         * c-errors.c (pedwarn_c99): Likewise.
4761         (pedwarn_c90): Likewise.
4762         * toplev.h (pedwarn): Update declaration.
4763         (pedwarn0): Declare.
4764         * c-lex.c: All calls to pedwarn changed.
4765         * builtins.c: All calls to pedwarn changed.
4766         * toplev.c: All calls to pedwarn changed.
4767         * c-decl.c: All calls to pedwarn changed.
4768         * c-typeck.c: All calls to pedwarn changed.
4769         * c-common.c: All calls to pedwarn changed.
4770         * c-parser.c: All calls to pedwarn changed.
4771
4772 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4773             Karthik Kumar  <karthikkumar@gmail.com>
4774
4775         * attribs.c (file scope): Include c-common.h.
4776         (decl_attributes): Add support for #pragma GCC optimize and
4777         #pragma GCC option.
4778
4779         * targhooks.c (default_can_inline_p): New function that is the
4780         default for the TARGET_CAN_INLINE_P target hook.
4781
4782         * targhooks.h (default_can_inline_p): Add declaration.
4783
4784         * tree.c (cl_optimization_node): New static tree for building
4785         OPTIMIZATION_NODE tree.
4786         (cl_target_option_node): New static tree for building
4787         TARGET_OPTION_NODE tree.
4788         (cl_option_hash_table): New hash table for hashing
4789         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4790         (cl_option_hash_hash): New function to provide the hash value for
4791         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4792         (cl_option_hash_eq): New function to provide an equality test for
4793         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4794         (tree_code_size): Add support for OPTIMIZATION_NODE and
4795         TARGET_OPTION_NODE trees.
4796         (tree_code_structure): Add support for OPTIMIZATION_NODE and
4797         TARGET_OPTION_NODE trees.
4798         (build_optimization_node): Build a tree that has all of the
4799         current optimization options.
4800         (build_target_option_node): Build a tree that has the target
4801         options that might be changed on a per function basis.
4802
4803         * tree.h (file scope): Include options.h.
4804         (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
4805         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
4806         (TREE_OPTIMIZATION): Ditto.
4807         (TREE_TARGET_SPECIFIC): Ditto.
4808         (struct tree_function_decl): Add fields for remembering the
4809         current optimization options and target specific options.
4810         (struct tree_optimization_option): New tree variant that remembers
4811         the optimization options.
4812         (struct tree_target_option): New tree variant that remembers the
4813         target specific flags that might change for compiling a particular
4814         function.
4815         (union tree_node): Include tree_optimization_option and
4816         tree_target_option fields.
4817         (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
4818         TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
4819         TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
4820         TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
4821         TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
4822         optimization and target options.
4823         (optimization_default_node): New macro to refer to global_trees
4824         field.
4825         (optimization_current_node): Ditto.
4826         (optimization_cold_node): Ditto.
4827         (optimization_hot_node): Ditto.
4828         (target_option_default_node): Ditto.
4829         (target_option_current_node): Ditto.
4830         (current_option_pragma): Ditto.
4831         (current_optimize_pragma): Ditto.
4832
4833         * target.h (struct gcc_target): Add valid_option_attribute_p,
4834         target_option_save, target_option_restore, target_option_print,
4835         target_option_pragma_parse, and can_inline_p hooks.
4836
4837         * toplev.h (parse_optimize_options): Add declaration.
4838         (fast_math_flags_struct_set_p): Ditto.
4839
4840         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
4841         adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
4842         optimize is used.
4843
4844         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
4845         tree_can_inline_p hook to see if one function can inline another.
4846         (cgraph_decide_inlining): Ditto.
4847         (cgraph_decide_inlining_incrementally): Ditto.
4848
4849         * opts.c (decode_options): Add support for running multiple times
4850         to allow functions with different target or optimization options
4851         than was specified on the command line.
4852         (fast_math_flags_struct_set_p): New function that is similar to
4853         fast_math_flags_set_p, except it uses the values in the
4854         cl_optimization structure instead of global variables.
4855
4856         * optc-gen.awk: Add support for TargetSave to allow a back end to
4857         declare new fields that need to be saved when using function
4858         specific options.  Include flags.h and target.h in the options.c
4859         source.  Add support for Save to indicate which options can be set
4860         for individual functions.  Generate cl_optimize_save,
4861         cl_optimize_restore, cl_optimize_print, cl_target_option_save,
4862         cl_target_option_restore, cl_target_option_print functions to
4863         allow functions to use different optimization or target options.
4864
4865         * opt-functions.awk (var_type_struct): Return the type used for
4866         storing the field in a structure.
4867
4868         * opth-gen.awk: Add support for TargetSave to allow a back end to
4869         declare new fields that need to be saved when using function
4870         specific options.  Add support for Save to indicate which options
4871         can be set for individual functions.  Only generate one extern for
4872         Mask fields.  Generate cl_optimization and cl_target_option
4873         structures to remember optimization and target options.
4874
4875         * treestruct.def (TS_OPTIMIZATION): Add support for garbage
4876         collecting new tree nodes.
4877         (TS_TARGET_OPTION): Ditto.
4878
4879         * c-decl.c (merge_decls): Merge function specific target and
4880         optimization options.
4881
4882         * function.c (invoke_set_current_function_hook): If the function
4883         uses different optimization options, change the global variables
4884         to reflect this.
4885
4886         * coretypes.h (struct cl_optimization): Add forward reference.
4887         (struct cl_target_option): Ditto.
4888
4889         * c-pragma.c (option_stack): New static vector to remember the
4890         current #pragma GCC option stack.
4891         (handle_pragma_option): New function to support #pragma GCC option
4892         to change target options.
4893         (optimize_stack): New static vector to remember the current
4894         #pragma GCC optimize stack.
4895         (handle_pragma_optimize): New function to support #pragma GCC
4896         optimize to change optimization options.
4897         (init_pragma): Add support for #pragma GCC optimize and #pragma
4898         GCC option.
4899
4900         * tree.def (OPTIMIZATION_NODE): New tree code for remembering
4901         optimization options.
4902         (TARGET_OPTION_NODE): New tree code for remembering certain target
4903         options.
4904
4905         * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
4906         TARGET_OPTION_NODE trees.
4907
4908         * common.opt (-O): Add Optimization flag.
4909         (-Os): Ditto.
4910         (-fmath-errno): Ditto.
4911         (-falign-functions): Add UInteger flag to make sure flag gets full
4912         int in cl_optimization structure.
4913         (-falign-jumps): Ditto.
4914         (-falign-labels): Ditto.
4915         (-falign-loops): Ditto.
4916         (-fsched-stalled-insns): Ditto.
4917         (-fsched-stalled-insns-dep): Ditto.
4918
4919         * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
4920         definition.
4921         (TARGET_OPTION_SAVE): Ditto.
4922         (TARGET_OPTION_RESTORE): Ditto.
4923         (TARGET_OPTION_PRINT): Ditto.
4924         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
4925         (TARGET_CAN_INLINE_P): Ditto.
4926         (TARGET_INITIALIZER): Add new hooks.
4927
4928         * tree-inline.c (tree_can_inline_p): New function to determine
4929         whether one function can inline another.  Check if the functions
4930         use compatible optimization options, and also call the backend
4931         can_inline_p hook.
4932
4933         * tree-inline.h (tree_can_inline_p): Add declaration.
4934
4935         * c-common.c (c_common_attribute): Add support for option and
4936         optimize attributes.
4937         (handle_option_attribute): Add support for the option attribute to
4938         allow the user to specify different target options for compiling a
4939         specific function.
4940         (handle_optimize_attribute): Add support for the optimize
4941         attribute to allow the user to specify different optimization
4942         options for compiling a specific function.
4943         (handle_hot_attribute): Turn on -O3 optimization for this one
4944         function if it isn't the default optimization level.
4945         (handle_cold_attribute): Turn on -Os optimization for this one
4946         function if it insn't the default optimization.
4947         (const_char_p): New const char * typedef.
4948         (optimize_args): New static vector to remember the optimization
4949         arguments.
4950         (parse_optimize_options): New function to set up the optimization
4951         arguments from either the optimize attribute or #pragma GCC optimize.
4952
4953         * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
4954         (builtin_define_std): Ditto.
4955
4956         * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
4957         Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
4958         (x86_64-*-*): Ditto.
4959
4960         * Makefile.in (TREE_H): Add options.h.
4961         (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.
4962
4963         * doc/extend.texi (option attribute): Document new attribute.
4964         (optimize attribute): Ditto.
4965         (hot attribute): Document hot attribute sets -O3.
4966         (cold attribute): Document cold attribute sets -Os.
4967         (#pragma GCC option): Document new pragma.
4968         (#pragma GCC optimize): Ditto.
4969
4970         * doc/options.texi (TargetSave): Document TargetSave syntax.
4971         (UInteger): Document UInteger must be used for certain flags.
4972         (Save): Document Save option to create target specific options
4973         that can be saved/restored on a function specific context.
4974
4975         * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
4976         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
4977
4978         * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
4979         (TARGET_OPTION_SAVE): Ditto.
4980         (TARGET_OPTION_RESTORE): Ditto.
4981         (TARGET_OPTION_PRINT): Ditto.
4982         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
4983         (TARGET_CAN_INLINE_P): Ditto.
4984
4985         * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
4986         -mfpmath=sse,387.
4987         (-mfpmath=both): Ditto.
4988
4989 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4990             Karthik Kumar  <karthikkumar@gmail.com>
4991
4992         * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
4993         (TARGET_POPCNT): Ditto.
4994         (TARGET_SAHF): Ditto.
4995         (TARGET_AES): Ditto.
4996         (TARGET_PCLMUL): Ditto.
4997         (TARGET_CMPXCHG16B): Ditto.
4998         (TARGET_RECIP): Move switch into target_flags.
4999         (TARGET_FUSED_MADD): Ditto.
5000         (ix86_arch_features): Make an unsigned char type.
5001         (ix86_tune_features): Ditto.
5002         (OVERRIDE_OPTIONS): Add bool argument to override_options call.
5003         (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
5004         (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.
5005
5006         * config/i386/i386.opt (arch): New TargetSave field to define
5007         fields that need to be saved for function specific option support.
5008         (tune): Ditto.
5009         (fpmath): Ditto.
5010         (branch_cost): Ditto.
5011         (ix86_isa_flags_explicit): Ditto.
5012         (tune_defaulted): Ditto.
5013         (arch_specified): Ditto.
5014         (-m128-long-double): Add Save flag to save option for target
5015         specific option support.
5016         (-m80387): Ditto.
5017         (-maccumulate-outgoing-args): Ditto.
5018         (-malign-double): Ditto.
5019         (-malign-stringops): Ditto.
5020         (-mfancy-math-387): Ditto.
5021         (-mhard-float): Ditto.
5022         (-mieee-fp): Ditto.
5023         (-minline-all-stringops): Ditto.
5024         (-minline-stringops-dynamically): Ditto.
5025         (-mms-bitfields): Ditto.
5026         (-mno-align-stringops): Ditto.
5027         (-mno-fancy-math-387): Ditto.
5028         (-mno-push-args): Ditto.
5029         (-mno-red-zone): Ditto.
5030         (-mpush-args): Ditto.
5031         (-mred-zone): Ditto.
5032         (-mrtd): Ditto.
5033         (-msseregparm): Ditto.
5034         (-mstack-arg-probe): Ditto.
5035         (-m32): Ditto.
5036         (-m64): Ditto.
5037         (-mmmx): Ditto.
5038         (-m3dnow): Ditto.
5039         (-m3dnowa): Ditto.
5040         (-msse): Ditto.
5041         (-msse2): Ditto.
5042         (-msse3): Ditto.
5043         (-msse4.1): Ditto.
5044         (-msse4.2): Ditto.
5045         (-msse4): Ditto.
5046         (-mno-sse4): Ditto.
5047         (-msse4a): Ditto.
5048         (-msse5): Ditto.
5049         (-mrecip): Move flag into target_flags.
5050         (-mcld): Ditto.
5051         (-mno-fused-madd): Ditto.
5052         (-mfused-madd): Ditto.
5053         (-mabm): Move flag into ix86_isa_flags.
5054         (-mcx16): Ditto.
5055         (-mpopcnt): Ditto.
5056         (-msahf): Ditto.
5057         (-maes): Ditto.
5058         (-mpclmul): Ditto.
5059
5060         * config/i386/i386-c.c: New file for #pragma support.
5061         (ix86_target_macros_internal): New function to #define or #undef
5062         target macros based when the user uses the #pragma GCC option to
5063         change target options.
5064         (ix86_pragma_option_parse): New function to add #pragma GCC option
5065         support.
5066         (ix86_target_macros): Move defining the target macros here from
5067         TARGET_CPU_CPP_BUILTINS in i386.h.
5068         (ix86_register_pragmas): Register the #pragma GCC option hook.  If
5069         defined, initialize any subtarget #pragmas.
5070
5071         * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
5072         REGISTER_TARGET_PRAGMAS.
5073
5074         * config/i386/t-i386: New file for x86 dependencies.
5075         (i386.o): Make dependencies mirror the include files used.
5076         (i386-c.o): New file, add dependencies.
5077
5078         * config/i386/i386-protos.h (override_options): Add bool argument.
5079         (ix86_valid_option_attribute_tree): Add declaration.
5080         (ix86_target_macros): Ditto.
5081         (ix86_register_macros): Ditto.
5082
5083         * config/i386/i386.c (ix86_tune_features): Move initialization of
5084         the target masks to initial_ix86_tune_features to allow functions
5085         to have different target options.  Make type unsigned char,
5086         instead of unsigned int.
5087         (initial_ix86_tune_features): New static vector to hold processor
5088         masks for the tune variables.
5089         (ix86_arch_features): Move initialization of the target masks to
5090         initial_ix86_arch_features to allow functions to have different
5091         target options.  Make type unsigned char, instead of unsigned int.
5092         (initial_ix86_arch_features): New static vector to hold processor
5093         masks for the arch variables.
5094         (enum ix86_function_specific_strings): New enum to describe the
5095         string options used for attribute((option(...))).
5096         (ix86_target_string): New function to return a string that
5097         describes the target options.
5098         (ix86_debug_options): New function to print the current options in
5099         the debugger.
5100         (ix86_function_specific_save): New function hook to save the
5101         function specific global variables in the cl_target_option structure.
5102         (ix86_function_specific_restore): New function hook to restore the
5103         function specific variables from the cl_target_option structure to
5104         the global variables.
5105         (ix86_function_specific_print): New function hook to print the
5106         target specific options in the cl_target_option structure.
5107         (ix86_valid_option_attribute_p): New function hook to validate
5108         attribute((option(...))) arguments.
5109         (ix86_valid_option_attribute_tree): New function that is common
5110         code between attribute((option(...))) and #pragma GCC option
5111         support that parses the options and returns a tree holding the options.
5112         (ix86_valid_option_attribute_inner_p): New helper function for
5113         ix86_valid_option_attribute_tree.
5114         (ix86_can_inline_p): New function hook to decide if one function
5115         can inline another on a target specific basis.
5116         (ix86_set_current_function); New function hook to switch target
5117         options if the user used attribute((option(...))) or #pragma GCC
5118         option.
5119         (ix86_tune_defaulted): Move to static file scope from
5120         override_options.
5121         (ix86_arch_specified): Ditto.
5122         (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
5123         ix86_isa_flags.
5124         (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
5125         (OPTION_MASK_ISA_ABM_SET): Ditto.
5126         (OPTION_MASK_ISA_POPCNT_SET): Ditto.
5127         (OPTION_MASK_ISA_CX16_SET): Ditto.
5128         (OPTION_MASK_ISA_SAHF_SET): Ditto.
5129         (OPTION_MASK_ISA_AES_UNSET): Ditto.
5130         (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
5131         (OPTION_MASK_ISA_ABM_UNSET): Ditto.
5132         (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
5133         (OPTION_MASK_ISA_CX16_UNSET): Ditto.
5134         (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
5135         (struct ptt): Move to static file scope from override_options.
5136         (processor_target_table): Ditto.
5137         (cpu_names): Ditto.
5138         (ix86_handle_option): Add support for options that are now isa options.
5139         (override_options): Add support for declaring functions that
5140         support different target options than were specified on the
5141         command line.  Move struct ptt, processor_target_table, cpu_names,
5142         ix86_tune_defaulted, ix86_arch_specified to static file scope.
5143         Add bool argument.  Fix up error messages so the appropriate error
5144         is given for either command line or attribute.
5145         (ix86_previous_fndecl): New static to remember previous function
5146         declaration to see if we need to change target options.
5147         (ix86_builtins_isa): New array to record the ISA of each builtin
5148         function.
5149         (def_builtin): Always create the builtin function, even if the
5150         current ISA doesn't support it.
5151         (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
5152         tests for those builtins.
5153         (ix86_init_builtins): Remove TARGET_MMX test for calling
5154         ix86_init_mmx_sse_builtins.
5155         (ix86_expand_builtin): If the current ISA doesn't support a given
5156         builtin, signal an error.
5157         (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
5158         (TARGET_SET_CURRENT_FUNCTION): Ditto.
5159         (TARGET_OPTION_SAVE): Ditto.
5160         (TARGET_OPTION_RESTORE): Ditto.
5161         (TARGET_OPTION_PRINT): Ditto.
5162         (TARGET_CAN_INLINE_P): Ditto.
5163
5164 2008-07-22  Rafael Avila de Espindola  <espindola@google.com>
5165
5166         * c-typeck.c (build_external_ref): Don't call assemble_external.
5167         * final.c (output_operand): Call assemble_external.
5168
5169 2008-07-21  DJ Delorie  <dj@redhat.com>
5170
5171         * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
5172         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
5173
5174 2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5175
5176         * config/spu/spu.md ("div<mode>3"): Convert into expander, move
5177         original insn and splitter contents into ...
5178         ("*div<mode>3_fast"): ... this new pattern.  Enable only if
5179         flag_unsafe_math_optimizations.  Add dummy scratch register.
5180         ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
5181         !flag_unsafe_math_optimizations.  Returns number with next
5182         highest magnitude if this is still less or equal to the true
5183         quotient in magnitude.
5184
5185 2008-07-21  Rafael Avila de Espindola  <espindola@google.com>
5186
5187         * Makefile.in: Replace toplev.h with TOPLEV_H.
5188         * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
5189         * c-lex.c (fe_file_change): Don't set in_system_header.
5190         * c-parser.c (c_token): Remove in_system_header.
5191         (c_lex_one_token): Don't set in_system_header.
5192         (c_parser_set_source_position_from_token): Don't set in_system_header.
5193         * diagnostic.c (diagnostic_report_diagnostic): Use location from
5194         diagnostic_info.
5195         (warning_at): New.
5196         * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
5197         * flags.h (in_system_header): Remove.
5198         * function.c (saved_in_system_header): Remove.
5199         (push_cfun): Don't set in_system_header.
5200         (pop_cfun): Don't set in_system_header.
5201         (push_struct_function): Don't set in_system_header.
5202         * input.h (expanded_location): Add sysp.
5203         (in_system_header_at): New.
5204         (in_system_header): New.
5205         * toplev.c (in_system_header): Remove.
5206         * toplev.h: Include input.h
5207         (warning_at): New.
5208         * tree-cfg.c (execute_warn_function_return): Call warning_at.
5209         * tree-ssa.c (warn_uninit): Call warning_at.
5210         (warn_uninitialized_var): Update calls to warn_uninit.
5211         (warn_uninitialized_phi): Update calls to warn_uninit.
5212         * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
5213         (expand_location): Initialize xloc.sysp.
5214         * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
5215         (tree_decl_with_vis): Remove in_system_header_flag.
5216
5217 2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>
5218
5219         PR target/36822
5220         * recog.c (asm_operand_ok): Change the order of the extra
5221         memory constraint checks.
5222
5223 2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5224
5225         PR tree-opt/36879
5226         * tree-switch-conversion.c (build_one_array): Call
5227         varpool_mark_needed_node and varpool_finalize_decl
5228         instead of assemble_variable.
5229
5230 2008-07-19  Jan Hubicka  <jh@suse.cz>
5231
5232         * cgraph.c (cgraph_add_new_function): Do early local passes.
5233         * tree-nrv.c (gate_pass_return_slot): New gate.
5234         (pass_nrv): Add the gate.
5235         * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
5236         functions.
5237         (coalesce_ssa_name): Coalesce SSA names.
5238         * tree-ssa-live.c (remove_unused_locals): Be more conservative when
5239         not optimizing so unused user vars remains visible.
5240         * common.opt (flag_tree_ter): Always enable by default.
5241         * tree-ssa-ter.c: Include flags.h
5242         (is_replaceable_p): Check that locations match; when aliasing is missing
5243         be conservative about loads.
5244         * tree-optimize.c (gate_init_datastructures): Remove.
5245         (pass_init_datastructures): New.
5246         * passes.c: Reorder passes so we always go into SSA.
5247
5248 2008-07-19  Jan Hubicka  <jh@suse.cz>
5249
5250         * doc/extend.texi (flatten attribute): Remove note about unit-at-a-time
5251         * doc/invoke.texi (--combine): Likewise.
5252         (-finline-functions-called-once): Update levels when enabled.
5253         (-funit-at-a-time): Document new behaviour.
5254         (-ftoplevel-reorder): Document that it is enabled -O0 and imply
5255         -fno-section-anchors when disabled explicitly.
5256         (inline params): They are not ignored now.
5257         (precompiled headers): Remove unit-at-a-time as being incompatible.
5258         * opts.c (decode_options): Handle unit-at-a-time as alias;
5259         imply -fno-section-anchors when toplevel reorder is disabled
5260         explicitly.
5261         * common.opt (ftoplevel-reorder): Set default value to 2.
5262         (funit-at-a-time): Set default value to 1.
5263         * config/rs6000/rs6000.c (optimization_options): Set section anchors
5264         to 2.
5265
5266 2008-07-19  Jan Hubicka  <jh@suse.cz>
5267
5268         * builtins.c (expand_builtin_int_roundingfn,
5269         expand_builtin_int_roundingfn_2): Do not take subtarget argument;
5270         it is not useful.
5271
5272 2008-07-19  Richard Guenther  <rguenther@suse.de>
5273
5274         PR bootstrap/36864
5275         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
5276         * tree-ssa-sccvn.c (get_constant_value_id): New function.
5277         * tree-ssa-pre.c (get_expr_value_id): For newly created
5278         constant value-ids make sure to add the expression to its
5279         expression-set.
5280
5281 2008-07-19  Jakub Jelinek  <jakub@redhat.com>
5282
5283         PR middle-end/36877
5284         * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
5285         return value of the builtin is ignored.
5286
5287 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5288
5289         * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
5290         bits, a C conformant malloc implementation has to provide.
5291         * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.
5292
5293 2008-07-19  Joseph Myers  <joseph@codesourcery.com>
5294
5295         PR target/36780
5296         PR target/36827
5297         * reload.c (find_reloads_subreg_address): Only reload address if
5298         reloaded == 0, not for reloaded != 1.
5299
5300         Revert:
5301         2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5302         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5303         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5304         m32c_legitimize_reload_address.
5305
5306         2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5307         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5308         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5309
5310 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5311
5312         * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
5313         argument, saying whether nested array are to be collapsed
5314         into a single array type DIE with multiple subscripts.
5315         (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
5316         issues, centralize the nested array types collapsing control and
5317         disable the transformation for Ada.
5318
5319 2008-07-18  Uros Bizjak  <ubizjak@gmail.com>
5320
5321         PR target/36786
5322         * config/i386/i386.md (x86_64_shift_adj_1): Rename from
5323         x86_64_shift_adj.
5324         (x86_64_shift_adj_2): New expander.
5325         (x86_64_shift_adj_3): Ditto.
5326         * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
5327         to split TImode operands.
5328         (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
5329         (ix86_split_lshr): Ditto.
5330
5331 2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>
5332
5333         * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
5334         and __CHAR32_TYPE__.
5335         * c-typeck.c (digest_init): Support char16_t and char32_t.
5336         (set_nonincremental_init_from_string): Idem.
5337
5338 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5339
5340         PR middle-end/36859
5341         * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
5342         PREFERRED_STACK_BOUNDARY.
5343         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5344
5345 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5346
5347         PR middle-end/36858
5348         * function.c (locate_and_pad_parm): Cap boundary earlier.
5349
5350 2008-07-17  Julian Brown  <julian@codesourcery.com>
5351
5352         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
5353         no-op for targets which don't use DLLs.
5354
5355 2008-07-17  Martin Jambor  <mjambor@suse.cz>
5356
5357         * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
5358         that nodes are relevant by examining the node->analyzed flag.
5359         (ipcp_init_stage): Check which nodes are relevant, assert that the
5360         relevant ones are also required.
5361         (ipcp_propagate_stage): Check on the side arrays are properly
5362         allocated.
5363         (ipcp_print_all_jump_functions): Make sure not to touch any node
5364         that is not analyzed or an edge that does not have a corresponding
5365         entry in the on-the-side vectors.
5366         (ipcp_function_scale_print): Likewise.
5367         (ipcp_update_callgraph): Check that the node is relevant.
5368         (ipcp_insert_stage): Check that the node is relevant.  Check there is
5369         an info for every node and edge.
5370         * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
5371         (ipa_print_all_tree_maps): Likewise and a new variable info.
5372         (ipa_print_all_params_modified): Likewise.
5373         * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.
5374
5375 2008-07-17  Roman Zippel <zippel@linux-m68k.org>
5376
5377         PR target/25343
5378         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
5379
5380 2008-07-17  Paolo Bonzini  <bonzini@gnu.org>
5381
5382         PR rtl-optimization/36753
5383         * fwprop.c (use_killed_between): Don't shortcut
5384         single-definition global registers.
5385
5386 2008-07-16  Jan Hubicka  <jh@suse.cz>
5387
5388         * cgraph.h (varpool_empty_needed_queue): Declare.
5389         * cgraphunit.c (output_in_order): Mark all variables as needed;
5390         empty the queue.
5391         * varpool.c (varpool_assemble_node): Update debug queue.
5392         (varpool_assemble_pending_decls): Don't do it here.
5393         (varpool_empty_needed_queue):  New function.
5394
5395 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5396
5397         * recog.c (peephole2_optimize): Fix formatting.
5398
5399 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5400
5401         * c-pch.c (get_ident): Avoid C++ keywords.
5402         * combine-stack-adj.c (single_set_for_csa): Likewise.
5403         * final.c (asm_insn_count, final_scan_insn, alter_subreg,
5404         output_asm_insn): Likewise.
5405         * reload.c (push_secondary_reload, find_reusable_reload,
5406         push_reload, combine_reloads, find_reloads,
5407         debug_reload_to_stream): Likewise.
5408         * reload.h (struct reload): Likewise.
5409         * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
5410         allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
5411         emit_output_reload_insns): Likewise.
5412         * targhooks.c (default_secondary_reload): Likewise.
5413         * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.
5414
5415 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5416
5417         * recog.c (validate_change_1, validate_change,
5418         validate_unshare_change, validate_replace_rtx_1, struct
5419         funny_match, constrain_operands, peephole2_optimize): Avoid C++
5420         keywords.
5421         * reload.c (push_secondary_reload, secondary_reload_class,
5422         scratch_reload_class, find_valid_class, find_reusable_reload,
5423         push_reload, find_dummy_reload, find_reloads_address_1,
5424         find_reloads_address_part, find_equiv_reg): Likewise.
5425         * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
5426         choose_reload_regs): Likewise.
5427         * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
5428         Likewise.
5429         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
5430         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5431         * sched-rgn.c (concat_INSN_LIST): Likewise.
5432         * stor-layout.c (mode_for_size, mode_for_size_tree,
5433         smallest_mode_for_size): Likewise.
5434
5435 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5436
5437         * cfg.c (dump_reg_info): Avoid C++ keywords.
5438         * dwarf2asm.c (dw2_force_const_mem,
5439         dw2_asm_output_encoded_addr_rtx): Likewise.
5440         * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
5441         * expmed.c (expand_shift): Likewise.
5442         * global.c (find_reg): Likewise.
5443         * graph.c (draw_edge): Likewise.
5444         * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
5445         * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
5446         widen_clz, widen_bswap, expand_parity, expand_unop,
5447         emit_cmp_and_jump_insn_1): Likewise.
5448         * postreload.c (reload_cse_simplify_operands): Likewise.
5449         * ra.h (add_neighbor): Likewise.
5450         * reg-stack.c (remove_regno_note, change_stack): Likewise.
5451         * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
5452         record_reg_classes, copy_cost, record_address_regs,
5453         invalid_mode_change_p): Likewise.
5454         * regrename.c (regrename_optimize, scan_rtx_reg,
5455         dump_def_use_chain, find_oldest_value_reg,
5456         replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.
5457
5458 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5459
5460         * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
5461         MASK_POWERPC64 for power4 in previous commit.
5462
5463 2008-07-16  Olivier Hainque  <hainque@adacore.com>
5464
5465         * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
5466         instead of bare conversion to cast const-ness away.
5467
5468 2008-07-16  Anatoly Sokolov  <aesok@post.ru>
5469
5470         * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
5471         XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
5472         * config/xtensa/xtensa.c (xtensa_function_value): New function.
5473         (TARGET_FUNCTION_VALUE): Define.
5474
5475 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5476
5477         * config/rs6000/rs6000.c (processor_target_table): Add
5478         MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.
5479
5480 2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5481
5482         PR target/36827
5483         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5484         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5485         m32c_legitimize_reload_address.
5486
5487 2007-07-16  Rafael Avila de Espindola  <espindola@google.com>
5488
5489         * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
5490         DECL_IN_SYSTEM_HEADER in sync.
5491
5492 2008-07-15  Daniel Berlin  <dberlin@dberlin.org>
5493
5494         * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
5495         * tree-ssa-pre.c (pre_expr_eq): Ditto
5496         (get_constant_for_value_id): Take a type as an argument.
5497         (fully_constant_expression): Pass in type.
5498         (find_or_generate_expression): Short circuit constant case.
5499         (create_expression_by_pieces): Remove special casing of
5500         pointer_plus.
5501         (do_regular_insertion): Short circuit constant case.
5502         (do_partial_partial_insertion): Ditto.
5503
5504 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5505
5506         PR target/36782
5507         * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.
5508
5509 2008-07-15  Bob Wilson  <bob.wilson@acm.org>
5510
5511         * config/xtensa/libgcc-xtensa.ver: New file.
5512         * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
5513
5514 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5515
5516         * df-problems.c (df_set_note): Avoid C++ keywords.
5517         * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
5518         * dse.c (record_store, remove_useless_values): Likewise.
5519         * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
5520         gen_reg_rtx_offset, operand_subword, change_address_1,
5521         change_address, adjust_address_1, offset_address,
5522         widen_memory_access, emit_copy_of_insn_after): Likewise.
5523         * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
5524         * fwprop.c (should_replace_address, propagate_rtx_1,
5525         propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
5526         Likewise.
5527         * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
5528         gcse_emit_move_after, update_ld_motion_stores): Likewise.
5529         * lcm.c (compute_insert_delete, pre_edge_lcm,
5530         compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
5531         * lower-subreg.c (resolve_reg_notes): Likewise.
5532         * mode-switching.c (optimize_mode_switching): Likewise.
5533
5534 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5535
5536         * bt-load.c (add_btr_def, migrate_btr_def,
5537         branch_target_load_optimize): Avoid C++ keywords.
5538         * caller-save.c (insert_restore, insert_save, insert_one_insn):
5539         Likewise.
5540         * combine.c (subst, simplify_set, make_extraction,
5541         make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
5542         * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
5543         fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.
5544
5545 2008-07-15  Richard Guenther  <rguenther@suse.de>
5546
5547         PR middle-end/36369
5548         * c-common.c (strict_aliasing_warning): Do not warn for
5549         TYPE_REF_CAN_ALIAS_ALL pointers.
5550         (c_common_get_alias_set): may_alias types are not special.
5551         * tree.c (build_pointer_type_for_mode): Look up the may_alias
5552         attribute and set can_ref_all accordingly.
5553         (build_reference_type_for_mode): Likewise.
5554         * doc/extend.texi (may_alias): Clarify.
5555
5556 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5557
5558         PR target/36780
5559         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5560         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5561
5562 2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5563
5564         PR target/31568
5565         * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
5566         gcc_assert, instead call output_operand_lossage.
5567
5568 2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
5569
5570         * builtins.c (std_canonical_va_list): Treat structure based
5571         va_list types.
5572
5573 2008-07-15  Ben Elliston  <bje@au.ibm.com>
5574
5575         * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.
5576
5577 2007-07-14  Rafael Avila de Espindola  <espindola@google.com>
5578
5579         * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
5580         is set.
5581
5582 2008-07-14  Jan Hubicka  <jh@suse.cz>
5583
5584         * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
5585         * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
5586         fix predicates and constraints.
5587         * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
5588         * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.
5589
5590 2008-07-14  Doug Kwan  <dougkwan@google.com>
5591
5592         * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
5593         additional option file arm/eabi.opt.
5594         * config/arm/eabi.h (File): New configuration file for EABI targets.
5595         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
5596         SUBSUBTARGET_EXTRA_SPECS.
5597         (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
5598         * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
5599         from STARTFILE_SPEC so that it can be referenced in an override.
5600         (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
5601         (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
5602         can be referenced in an override.
5603         (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
5604         * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
5605         so that it can be referenced in an override.
5606         (LINK_SPEC): Use BPABI_LINK_SPEC.
5607         * config/arm/eabi.opt (File): New.
5608
5609 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5610
5611         * Makefile.in (TARGET_DEF_H): Add targhooks.h.
5612         (FIXED_VALUE_H): New variable.
5613         (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
5614         input.h, fixed-value.h.
5615         (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
5616         (BASIC_BLOCK_H): Use $(BITMAP_H).
5617         (FUNCTION_H): Add varray.h.
5618         (IPA_REFERENCE_H): Use $(BITMAP_H).
5619         (CGRAPH_H): Add $(BASIC_BLOCK_H).
5620         (DF_H): Use $(BITMAP_H).
5621         (GGC_H): Add statistics.h.
5622         (INSN_ADDR_H): New.
5623         (INSN_ATTR_H): Use it.
5624         (SYSTEM_H): Add safe-ctype.h, filenames.h.
5625         (INPUT_H): New.
5626         (SYMTAB_H): Add $(OBSTACK_H).
5627         (CPP_INTERNAL_H): New.
5628         (TREE_DUMP_H): Add tree-pass.h.
5629         (TREE_FLOW_H): Use $(BITMAP_H)
5630         (PRETTY_PRINT_H): Use $(INPUT_H).
5631         (EBITMAP_H): Rename from typo-ed EBIMAP_H.
5632         (GSTAB_H): New.
5633         (BITMAP_H): New.
5634         (many object files): Fix lots of header dependencies throughout.
5635
5636 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5637
5638         * Makefile.in (write_entries_to_file, write_entries_to_file_split):
5639         New macros.
5640         (s-gtyp-input): Use them to write tmp-gi.list.
5641         (echo_to_gi.list): Remove.
5642
5643 2008-07-14  Richard Guenther  <rguenther@suse.de>
5644
5645         * tree-ssa-sccvn.c (pre_info): Remove.
5646         (switch_to_PRE_table): Likewise.
5647         (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
5648         (set_hashtable_value_ids): Do not create value-ids for the
5649         optimistic tables.
5650         (run_scc_vn): Remove double test.  Remove bogus special-case
5651         in value-number printing.
5652         * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
5653         * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
5654         SSA_NAME_VALUE.
5655         * tree-flow-inline.h (get_value_handle): Remove.
5656         * tree-flow.h (get_value_handle): Remove.
5657
5658 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5659
5660         * tree-switch-conversion.c (gen_inbound_check): Make sure the type
5661         in which we generate arithmetics is not a subrange.
5662
5663 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5664
5665         * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.
5666
5667 2008-07-14  Richard Guenther  <rguenther@suse.de>
5668
5669         * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.
5670
5671 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5672
5673         PR target/36745
5674         * config/s390/s390.c: (s390_secondary_reload): Add a secondary
5675         reload for symbol refs moved to r0 with -fPIC.
5676         (legitimize_pic_address): Use the target register as temporary
5677         reg if possible.
5678         (emit_symbolic_move): Adjust comment.
5679         * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
5680         New expanders.
5681
5682 2008-07-14  Ben Elliston  <bje@au.ibm.com>
5683
5684         * c-common.h (C_CPP_HASHNODE): New macro.
5685         * coretypes.h (struct cpp_token): Forward declare.
5686         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
5687         the context-sensitive keyword method.
5688         * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
5689         __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
5690         expand_bool_pixel): New.
5691         (altivec_categorize_keyword): New function.
5692         (init_vector_keywords): New function.
5693         (rs6000_macro_to_expand): Likewise.
5694         (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
5695         compiling an ISO C dialect.
5696
5697 2008-07-13  Daniel Berlin  <dberlin@dberlin.org>
5698
5699         * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
5700         (create_expression_by_pieces): Fix typo.
5701         (do_regular_insertion): Use debug counter here too.
5702
5703 2008-07-14  Hans-Peter Nilsson  <hp@axis.com>
5704
5705         PR target/35492.
5706         * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
5707         CONST_OK_FOR_LETTER_P.  All port-local users changed.
5708         (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
5709         implement Kp matching power-of-two.
5710         (CONSTRAINT_LEN): Define to match.
5711         * config/cris/cris.md: Replace all use of constraint K with Kc.
5712         ("*btst*): Use Kp for operand 0 of last alternative.
5713
5714 2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5715
5716         PR testsuite/36440
5717         * tree-call-cdce.c (check_target_format): Accept MIPS single, double
5718         and quad formats.
5719
5720 2008-07-13  Jan Hubicka  <jh@suse.cz>
5721
5722         * tree.c (decl_assembler_name_equal): Expect assembler name of decl
5723         to be mangled too.
5724
5725 2008-07-13  Richard Guenther  <rguenther@suse.de>
5726
5727         PR middle-end/36811
5728         * langhooks.c (lhd_print_error_function): Deal with recursive
5729         BLOCK trees.
5730
5731 2008-07-12  Jan Hubicka  <jh@suse.cz>
5732
5733         * cgraph.c (assembler_name_hash): New static var.
5734         (hash_node_by_assembler_name, eq_assembler_name): New.
5735         (cgraph_node_for_asm): Use hashtable.
5736         (cgraph_remove_node): Maintain hashtable.
5737         (change_decl_assembler_name): Sanity check that names are not changing
5738         after aliasing was processed.
5739         * cgraph.h (varpoon_node): Add next GGC marker.
5740         * tree.c (decl_assembler_name_equal): Constify.
5741         (decl_assembler_name_hash): New.
5742         * tree.h (decl_assembler_name_equal): Constify.
5743         (decl_assembler_name_hash): Update.
5744
5745 2008-07-12  David Daney  <ddaney@avtrex.com>
5746
5747         * config/mips/driver-native.c (host_detect_local_cpu): Handle
5748         sb1 and r5000 cpus.
5749
5750 2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
5751
5752         * doc/md.texi: Document the MIPS "v" constraint.
5753         * config/mips/mips.h (reg_class): Revert last change.
5754         (REG_CLASS_NAMES): Likewise.
5755         (REG_CLASS_CONTENTS): Likewise.
5756         * config/mips/mips.c (mips_regno_to_class): Likewise.
5757         * config/mips/constraints.md (v): Likewise, but add documentation.
5758         Add a comment to say that this constraint should not be used in
5759         gcc code.
5760
5761 2008-07-11  DJ Delorie  <dj@redhat.com>
5762
5763         * config/h8300/h8300.md (length): Fix branch offset limit.
5764
5765 2008-07-11  Anatoly Sokolov  <aesok@post.ru>
5766
5767         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
5768         * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
5769         (avr_hard_regno_scratch_ok): New function.
5770         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
5771         * config/avr/avr.md (all peepholes that request a scratch register):
5772         Remove avr_peep2_scratch_safe use.
5773
5774 2008-07-11  Tom Tromey  <tromey@redhat.com>
5775             Ian Lance Taylor  <iant@google.com>
5776
5777         * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
5778         (struct c_common_resword): Define.
5779         (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
5780         (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
5781         (c_common_reswords, num_c_common_reswords): Declare.
5782         * c-common.c (c_common_reswords): New global const array.
5783         (num_c_common_reswords): New const int.
5784         * c-parser.c (struct resword, reswords): Don't define.
5785         (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
5786         (c_parse_init): Clarify mask code.  Use c_common_reswords rather
5787         than reswords.  If warning about C++ keywords, give them a special
5788         RID code.
5789         (c_lex_one_token): Warn about C++ keywords.  Call
5790         objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
5791         (c_parser_external_declaration): Look for RID_xxx rather than
5792         RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
5793         (c_parser_statement_after_labels): Likewise.
5794         (c_parser_objc_class_instance_variables): Likewise.
5795         (c_parser_objc_class_declaration): Likewise.
5796         (c_parser_objc_try_catch_statement): Likewise.
5797         * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
5798         (declspecs_add_type): Likewise.
5799
5800 2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>
5801
5802         * ggc-page.c (alloc_page):
5803         Substituting xmalloc, xcalloc with
5804         XNEWVEC and XCNEWVAR macros which add the
5805         needed casts.
5806
5807 2008-07-11  Richard Guenther  <rguenther@suse.de>
5808
5809         PR tree-optimization/36765
5810         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5811         aliases from HEAP vars to SMTs.
5812
5813 2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5814
5815         * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
5816         * configure.ac (loose_warn): Move -Wc++-compat from here...
5817         (strict_warn): ...to here.
5818         * configure: Regenerate.
5819
5820 2008-07-10  Joseph Myers  <joseph@codesourcery.com>
5821
5822         * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
5823         i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
5824         m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
5825         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
5826         excluding more specific h8300-*-* and sh-*-* targets.
5827
5828 2008-07-10  Daniel Berlin  <dberlin@dberlin.org>
5829
5830         * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
5831         (eliminate): Ditto.
5832         (execute_pre): Call loop_optimizer_finalize in early exit.
5833
5834 2008-07-10  Jakub Jelinek  <jakub@redhat.com>
5835
5836         PR middle-end/36790
5837         * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
5838         uids in the bitmap, not just VAR_DECL uids.
5839
5840         PR rtl-optimization/36419
5841         * combine-stack-adj.c (adjust_frame_related_expr): New function.
5842         (combine_stack_adjustments_for_block): Call it if needed.  Delete
5843         correct insn.
5844         * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
5845         DW_CFA_GNU_args_size if CSA pass merged some adjustments into
5846         prologue sp adjustment.
5847
5848 2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
5849
5850         PR other/28322
5851         * opts.c (print_ignored_options): Report postponed diagnostics for
5852         unknown -Wno-* options as warnings, not errors.
5853         (postpone_unknown_option_error): Renamed to...
5854         (postpone_unknown_option_warning): ... this.
5855
5856 2008-07-09  Doug Kwan  <dougkwan@google.com>
5857
5858         Revert:
5859         2008-07-08  Doug Kwan  <dougkwan@google.com>
5860
5861         * config/arm/arm.opt (mandroid): New option.
5862         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
5863         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
5864         (CC1_SPEC): Same.
5865         (CC1PLUS_SPEC): Same.
5866         (LIB_SPEC): Same.
5867         (STARTFILE_SPEC): Same.
5868         (ENDFILE_SPEC): Same.
5869         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
5870         used.
5871
5872 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
5873
5874         PR target/35802
5875         * config/mips/mips.h (reg_class): Remove V1_REG.
5876         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
5877         * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
5878         instead of V1_REGS.
5879         (mips_get_tp): New function.
5880         (mips_legitimize_tls_address): Use it.
5881         * config/mips/constraints.md (v): Delete.
5882         * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
5883         (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
5884         After reload, split into a move and ...
5885         (*tls_get_tp_<mode>_split): ...this new instruction.
5886
5887 2008-07-09  David Daney  <ddaney@avtrex.com>
5888
5889         * config/mips/driver-native.c: Include coretypes.h and tm.h.
5890
5891 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
5892
5893         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
5894         (push_gimplify_context): Don't allocate temp_htab nor c itself here.
5895         Add c argument.
5896         (pop_gimplify_context): Check c->temp_htab instead of optimize whether
5897         htab_delete should be called.  Don't free c.
5898         (lookup_tmp_var): Create temp_htab lazily.
5899         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
5900         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
5901         callers.
5902         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
5903         lower_omp_ordered, lower_omp_critical, lower_omp_for,
5904         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
5905         * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
5906         * tree-sra.c (generate_element_init): Likewise.
5907         * tree-mudflap.c (execute_mudflap_function_ops,
5908         execute_mudflap_function_decls): Likewise.
5909         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
5910         * tree-gimple.h (struct gimplify_ctx): New type.
5911         (push_gimplify_context): Adjust prototype.
5912
5913 2008-07-09  Daniel Berlin  <dberlin@dberlin.org>
5914
5915         * tree-ssa-pre.c (phi_translate_1): Update placement of
5916         add_to_value calls.
5917
5918 2008-07-09  Anatoly Sokolov  <aesok@post.ru>
5919
5920         * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
5921         * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
5922         (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
5923         * targhooks.c (default_hard_regno_scratch_ok): New function.
5924         * targhooks.h (default_hard_regno_scratch_ok): Declare function.
5925         * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
5926         * recog.c:  Include "target.h".
5927         (peep2_find_free_register): Add check for global regs. Add target
5928         specific check.
5929         * Makefile.in (recog.o): Depend on target.h.
5930
5931 2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5932
5933         * config/sh/sh.c (sh_canonical_va_list_type): New.
5934         (TARGET_CANONICAL_VA_LIST_TYPE): Define.
5935
5936 2008-07-09  Raksit Ashok <raksit@google.com>
5937
5938         * doc/invoke.texi (Option Summary): Mention new option
5939         -Wdisallowed-function-list=...
5940         (Warning Options): Document -Wdisallowed-function-list=...
5941         * common.opt (Wdisallowed-function-list=): New flag.
5942         * flags.h (warn_disallowed_functions): External definition of new
5943         boolean warning flag.
5944         (warn_if_disallowed_function_p): Declare new function.
5945         * opts.c (warning_disallowed_functions): New static variable.
5946         (warn_disallowed_functions): New boolean warning flag.
5947         (warn_if_disallowed_function_p): New function.
5948         (add_comma_separated_to_vector): Rename
5949         add_instrument_functions_exclude_list to this.
5950         (common_handle_option): Handle new option. Rename calls to
5951         add_instrument_functions_exclude_list into calls to
5952         add_comma_separated_to_vector.
5953         * c-parser.c (c_parser_postfix_expression_after_primary): New warning
5954         based on flag warn_disallowed_functions.
5955
5956 2008-07-09  Christian Bruel  <christian.bruel@st.com>
5957
5958         * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
5959          instead of get_attr_length.
5960
5961 2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5962
5963         * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
5964         keywords.
5965         * genemit.c (gen_insn): Likewise.
5966         * gengtype.c (note_def_vec): Likewise.
5967         * gengtype.h (note_def_vec): Likewise.
5968         * genoutput.c (struct data, output_insn_data, process_template,
5969         gen_expand, gen_split, note_constraint): Likewise.
5970         * genrecog.c (new_decision, add_to_sequence, factor_tests,
5971         make_insn_sequence): Likewise.
5972         * gensupport.c (record_insn_name): Likewise.
5973
5974 2008-07-08  Doug Kwan  <dougkwan@google.com>
5975
5976         * config/arm/arm.opt (mandroid): New option.
5977         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
5978         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
5979         (CC1_SPEC): Same.
5980         (CC1PLUS_SPEC): Same.
5981         (LIB_SPEC): Same.
5982         (STARTFILE_SPEC): Same.
5983         (ENDFILE_SPEC): Same.
5984         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
5985         used.
5986
5987 2008-07-08  Raksit Ashok  <raksit@google.com>
5988
5989         * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
5990         (set_storage_via_setmem): Fix expected_align parameter.
5991         * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
5992         missing from the list.
5993         * doc/md.texi (movmem): Explicitly state that expected alignment is
5994         to be expressed in bytes.
5995         (setmem): Explicitly state that expected alignment is to be expressed
5996         in bytes.
5997
5998 2008-07-08  Joseph Myers  <joseph@codesourcery.com>
5999
6000         * reload.c (find_reloads_subreg_address): Do not require validity
6001         of address in original mode before reloading address.
6002
6003 2008-07-07  Tianwei Sheng  <tianweis@google.com>
6004
6005         * df-core.c (df_remove_problem): Adjust the access to avoid out of
6006         bounds array access.
6007
6008 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
6009
6010         * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.
6011
6012 2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
6013
6014         Fix PR tree-optimization/23455
6015         Fix PR tree-optimization/35286
6016         Fix PR tree-optimization/35287
6017         * Makefile.in (OBJS-common): Remove tree-vn.o.
6018         (tree-vn.o): Remove.
6019         * dbgcnt.def: Add treepre_insert debug counter.
6020         * gcc/tree-flow.h (add_to_value): Updated for other changes.
6021         (debug_value_expressions): Ditto.
6022         (print_value_expressions): Ditto.
6023         * tree-pretty-print.c (dump_generic_node): Updated for
6024         VALUE_HANDLE removal.
6025         * tree-ssa-dom.c (record_equality): Ditto.
6026         (cprop_operand): Ditto.
6027         (lookup_avail_expr): Ditto.
6028         * tree-ssa-threadedge.c
6029         (record_temporary_equivalences_from_stmts_at_dest): Ditto.
6030         (simplify_control_stmt_condition): Ditto.
6031         * tree.c (tree_code_size): Ditto.
6032         (tree_node_structure): Ditto.
6033         (iterative_hash_expr): Ditto.
6034         * tree.def: Ditto.
6035         * tree.h (VALUE_HANDLE_ID): Ditto.
6036         (VALUE_HANDLE_EXPR_SET): Ditto.
6037         (struct tree_value_handle): Ditto.
6038         (union tree_node): Ditto.
6039         * treestruct.def: Ditto.
6040         * tree-vn.c: Removed.
6041         * tree-ssa-pre.c: Rewritten entirely.
6042         * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
6043         (constant_value_ids): Ditto.
6044         (vn_nary_op_t): Moved to header.
6045         (vn_phi_t): Ditto.
6046         (vn_reference_op_t): Ditto
6047         (vn_reference_t): Ditto.
6048         (next_value_id): New variable.
6049         (VN_INFO): Add an assert.
6050         (vn_constant_eq): New function.
6051         (vn_constant_hash): Ditto.
6052         (get_or_alloc_constant_value_id): Ditto.
6053         (value_id_constant_p): Ditto.
6054         (vn_reference_compute_hash): De-staticify.
6055         (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
6056         Disable some code with a FIXME.  Remove VALUE_HANDLE use.
6057         (valueize_refs): Update opcode if it changes from ssa name to constant.
6058         (vn_reference_lookup_1): Add new argument.
6059         (vn_reference_lookup):  Ditto.
6060         (vn_reference_lookup_pieces): New function.
6061         (vn_reference_insert): Add return type. Modify to deal with value ids.
6062         (vn_reference_insert_pieces):  New function.
6063         (vn_nary_op_compute_hash): De-staticify.
6064         (vn_nary_op_eq): Ditto.
6065         (vn_nary_op_lookup_pieces): New function.
6066         (vn_nary_op_lookup): Add new argument.
6067         (vn_nary_op_insert_pieces): New function.
6068         (vn_nary_op_insert): Add return type. Modify to deal with value ids.
6069         (vn_phi_insert): Ditto.
6070         (visit_unary_op): Update for callee changes.
6071         (visit_binary_op): Ditto.
6072         (visit_reference_op_load): Ditto.
6073         (visit_reference_op_store): Ditto.
6074         (init_scc_vn): Init next_value_id, constant_to_value_id and
6075         constant_value_ids.
6076         (free_scc_vn): Free them.
6077         (set_hashtable_value_ids): New function.
6078         (run_scc_vn): Use it.
6079         (get_max_value_id): New function.
6080         (get_next_value_id): Ditto.
6081         (expressions_equal_p): Moved from tree-vn.c
6082         (sort_vuses): Ditto.
6083         (sort_vuses_heap): Ditto.
6084         * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
6085         above).
6086         * tree.c (iterative_hash_hashval_t): Made non-static
6087         * tree.h (iterative_hash_hashval_t): Declare it.
6088
6089 2008-07-08  Martin Jambor  <mjambor@suse.cz>
6090
6091         * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
6092         instead of ipa_create_node_params.
6093         (ipcp_driver): Allocate infos with ipa_check_create_node_params and
6094         ipa_check_create_edge_args, free them with
6095         free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.
6096
6097         * ipa-prop.c: Include flags.h and tree-inline.h.
6098         (ipa_node_params_vector): New variable.
6099         (ipa_edge_args_vector): New variable.
6100         (edge_removal_hook_holder): New variable.
6101         (node_removal_hook_holder): New variable.
6102         (edge_duplication_hook_holder): New variable.
6103         (node_duplication_hook_holder): New variable.
6104         (ipa_detect_param_modifications): Check for presence of modified flags.
6105         (ipa_compute_jump_functions): Check for presence of jump functions.
6106         (ipa_free_edge_args_substructures): New function.
6107         (ipa_create_node_params): Removed.
6108         (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
6109         (ipa_free_node_params_substructures): New function.
6110         (ipa_free_all_node_params): Changed to deallocate the on-the-side
6111         vector.
6112         (ipa_edge_removal_hook): New function.
6113         (ipa_node_removal_hook): New function.
6114         (duplicate_array): New function.
6115         (ipa_edge_duplication_hook): New function.
6116         (ipa_node_duplication_hook): New function.
6117         (ipa_register_cgraph_hooks): New function.
6118         (ipa_unregister_cgraph_hooks): New function.
6119         (free_all_ipa_structures_after_ipa_cp): New function.
6120
6121         * ipa-prop.h: Include vec.h.
6122         (ipa_node_params_t): New typedef with vector types for it.
6123         (ipa_edge_args_t):  New typedef with vector types for it.
6124         (IPA_NODE_REF): Changed to access an on-the-side vector.
6125         (IPA_EDGE_REF): Changed to access an on-the-side vector.
6126         (ipa_check_create_node_params): New function.
6127         (ipa_check_create_edge_args): New function.
6128
6129         * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
6130         all users.
6131
6132 2008-07-07  Tom Tromey  <tromey@redhat.com>
6133
6134         * configure, config.in: Rebuilt.
6135         * configure.ac: Don't check for scandir or alphasort.
6136
6137 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
6138
6139         * config/arm/arm.c (arm_init_neon_builtins): Register built-in
6140         types immediately after creating them.
6141
6142 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
6143
6144         * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.
6145
6146 2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>
6147
6148         * tree-ssa-structalias.c (compute_points_to_sets): Add call to
6149         dump_constraint_graph.
6150         (dump_constraint_edge): New function.
6151         (dump_constraint_graph): New function.
6152         (debug_constraint_graph): New function.
6153         (dump_constraint): Removed useless comparison.
6154         * tree-ssa-structalias.h (dump_constraint_edge): Declare.
6155         (dump_constraint_graph): Declare.
6156         (debug_constraint_graph): Declare.
6157         * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.
6158
6159 2008-07-07  Kai Tietz  <kai.tietz@onevision.com>
6160
6161         * config/i386/i386.c (is_va_list_char_pointer): New.
6162         (ix86_va_start): Replace compare with ms_va_list_type_node
6163         by is_va_list_char_pointer.
6164         (ix86_gimplify_va_arg): Likewise.
6165
6166 2008-07-07  Martin Jambor  <mjambor@suse.cz>
6167
6168         * cgraph.c (cgraph_edge_max_uid): New variable.
6169         (struct cgraph_edge_hook_list): New type.
6170         (struct cgraph_node_hook_list): New type.
6171         (struct cgraph_2edge_hook_list): New type.
6172         (struct cgraph_2node_hook_list): New type.
6173         (first_cgraph_edge_removal_hook): New variable.
6174         (first_cgraph_node_removal_hook): New variable.
6175         (first_cgraph_edge_duplicated_hook): New variable.
6176         (first_cgraph_node_duplicated_hook): New variable.
6177         (cgraph_add_edge_removal_hook): New function.
6178         (cgraph_remove_edge_removal_hook): New function.
6179         (cgraph_call_edge_removal_hooks):  New function.
6180         (cgraph_add_node_removal_hook):  New function.
6181         (cgraph_remove_node_removal_hook):  New function.
6182         (cgraph_call_node_removal_hooks):  New function.
6183         (cgraph_add_edge_duplication_hook):  New function.
6184         (cgraph_remove_edge_duplication_hook):  New function.
6185         (cgraph_call_edge_duplication_hooks):  New function.
6186         (cgraph_add_node_duplication_hook):  New function.
6187         (cgraph_remove_node_duplication_hook):  New function.
6188         (cgraph_call_node_duplication_hooks):  New function.
6189         (cgraph_create_edge): Assign to edge uid.
6190         (cgraph_remove_edge): Call edge removal hooks.
6191         (cgraph_node_remove_callees): Call edge removal hooks.
6192         (cgraph_node_remove_callers): Call edge removal hooks.
6193         (cgraph_remove_node): Call node removal hooks.
6194         (cgraph_clone_edge): Call edge duplication hooks.
6195         (cgraph_clone_node): Call node duplication hooks.
6196
6197         * cgraph.h (cgraph_edge): New field uid.
6198         (cgraph_edge_hook): New type.
6199         (cgraph_node_hook): New type.
6200         (cgraph_2edge_hook): New type.
6201         (cgraph_2node_hook): New type.
6202
6203 2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>
6204
6205         * config.in: Regenerate.
6206
6207 2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>
6208
6209         * gcc.c (print_sysroot): New.
6210         (option_map, display_help, process_command): Handle the
6211         -print-sysroot option.
6212         (main): Print the sysroot if requested.
6213         * doc/invoke.texi (Debugging Options): Document -print-sysroot.
6214
6215 2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6216
6217         PR target/34780
6218         * unwind-pe.h (size_of_encoded_value): add attribute unused.
6219
6220 2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>
6221
6222         * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
6223         (assign_parm_setup_block_p): Also check mode of entry_parm.
6224
6225 2008-07-07  Richard Guenther  <rguenther@suse.de>
6226
6227         * tree-ssa-structalias.h (set_used_smts): Remove.
6228         * tree-ssa-structalias.c (used_smts): Likewise.
6229         (set_used_smts): Likewise.
6230         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
6231         call to set_used_smts.
6232
6233 2008-07-07  Richard Guenther  <rguenther@suse.de>
6234
6235         * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
6236         (new_var_info): Set it to false.
6237         (solution_set_add): Correctly handle pointers outside a var and
6238         inside a field.
6239         (type_safe): Treat variables with is_full_var properly.
6240         (do_sd_constraint): Likewise.
6241         (do_ds_constraint): Likewise.
6242         (process_constraint): Remove zeroing offset for !use_field_sensitive.
6243         (get_constraint_for_ptr_offset): New function.
6244         (get_constraint_for_component_ref): For addresses at least include
6245         the last field of the variable.  Handle is_full_vars properly.
6246         (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
6247         (handle_ptr_arith): Remove.
6248         (find_func_aliases): Simplify assignment handling.
6249         (create_function_info_for): For parameter and result varinfos set
6250         is_full_var flag.
6251         (create_variable_info_for): Set is_full_var flag whenever we
6252         just created a single varinfo for a decl.
6253         (init_alias_vars): Initialize use_field_sensitive from
6254         max-fields-for-field-sensitive parameter.
6255
6256 2008-07-07  Richard Guenther  <rguenther@suse.de>
6257
6258         PR tree-optimization/36713
6259         * tree-flow-inline.h (is_call_used): New function.
6260         * tree-nrv.c (dest_safe_for_nrv_p): Use it.
6261         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
6262         * tree-outof-ssa.c (create_temp): Set call-used flag if required.
6263
6264 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6265
6266         * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
6267
6268 2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
6269
6270         * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
6271
6272 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6273             Nathan Sidwell  <nathan@codesourcery.com>
6274
6275         * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
6276         to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
6277         tmake_file.
6278         * config/m68k/t-linux: New.
6279         * doc/install.texi: Document m68k-*-linux is now multilibbed by
6280         default.
6281
6282 2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6283
6284         * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
6285         * config/m68k/m68k-devices.def: Remove multilibs that only differ
6286         by MAC/EMAC.
6287
6288 2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6289
6290         * gcc.c (execute): Fix -Wc++-compat warning.
6291
6292 2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>
6293
6294         PR target/36720
6295         * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
6296         constant for little endian.
6297
6298 2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>
6299
6300         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
6301         mips_base_mips16 instead of TARGET_MIPS16.
6302         (mips_base_mips16): Declare.
6303         * config/mips/mips.c (mips_base_mips16): Make global.
6304         (was_mips16_p): Remove GTY marker.
6305         (was_mips16_pch_p): New variable.
6306         (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
6307         (mips_override_options): Force to non-MIPS16 mode initially.
6308         Do not complain about MIPS16 PIC incompatibilities here.
6309         Only allow -mgpopt if -mexplicit-relocs is in force for
6310         non-MIPS16 code.
6311
6312 2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>
6313
6314         * configure.ac: Check for caddr_t, define to char * if not defined.
6315         * configure: Regenerate.
6316         * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
6317         (mmap_gt_pch_use_address): Likewise.
6318         * config/host-solaris.c (sol_gt_pch_use_address): Likewise.
6319
6320 2008-07-06  Richard Guenther  <rguenther@suse.de>
6321
6322         * tree-ssa-structalias.c (struct variable_info): Remove has_union.
6323         (new_var_info): Deal with it.
6324         (solution_set_add): Likewise.
6325         (bitpos_of_field): Make signed, fix.
6326         (struct fieldoff): Remove type and decl fields.  Make size field
6327         unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
6328         flags.
6329         (fieldoff_compare): Deal with it.
6330         (push_fields_onto_fieldstack): Remove has_union argument, glob
6331         adjacent non-pointer fields together.
6332         (create_function_info_for): Do not set has_union.
6333         (create_variable_info_for): Simplify.
6334
6335 2008-07-06  Kai Tietz  <kai.tietz@onevision.com>
6336
6337         * config.gcc (extra_headers): Add cross-stdarg.h for target
6338         x86_64-*-* and i?86-*-*.
6339         * config/i386/cross-stdarg.h: New.
6340         * builtins.c (std_fn_abi_va_list): New.
6341         (std_canonical_va_list_type): New.
6342         (stabilize_va_list): Replace va_list_type_node use by
6343         mtarget.canonical_va_list_type.
6344         (gimplify_va_arg_expr): Likewise.
6345         (expand_builtin_va_copy): Replace va_list_type_node use by
6346         mtarget.fn_abi_va_list.
6347         * tree-sra.c (is_va_list_type): New helper.
6348         (decl_can_be_decomposed_p): Replace
6349         va_list_type_node use by is_va_list_type.
6350         * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
6351         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
6352         * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
6353         * config/i386/i386-protos.h (ix86_get_valist_type): New.
6354         (ix86_enum_va_list): New.
6355         * config/i386/i386.c (sysv_va_list_type_node): New.
6356         (ms_va_list_type_node): New.
6357         (ix86_function_type_abi): Remove sorry.
6358         (ix86_build_builtin_va_list_abi): New.
6359         (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
6360         for 64-bit targets.
6361         (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
6362         (ix86_init_builtins_va_builtins_abi): New.
6363         (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
6364         for 64-bit targets.
6365         (ix86_handle_abi_attribute): New.
6366         (attribute_spec): Add sysv_abi and ms_abi.
6367         (ix86_fn_abi_va_list): New.
6368         (ix86_canonical_va_list_type): New.
6369         (ix86_enum_va_list): New.
6370         (TARGET_FN_ABI_VA_LIST): New.
6371         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6372         * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
6373         * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
6374         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6375         (TARGET_ENUM_VA_LIST): New.
6376         * expr.h (std_fn_abi_va_list): New.
6377         (std_canonical_va_list_type): New.
6378         * target-def.h (TARGET_FN_ABI_VA_LIST): New.
6379         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6380         (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
6381         TARGET_CANONICAL_VA_LIST_TYPE.
6382         * target.h (struct gcc_target): Add fn_abi_va_list hook
6383         and canonical_va_list_type hook.
6384
6385 2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6386
6387         * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
6388         integral and pointer types.
6389
6390 2008-07-04  Roger Sayle  <roger@eyesopen.com>
6391
6392         * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
6393         the "void*" result of xmalloc to "char*" to fix bootstrap breakage.
6394
6395 2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
6396
6397         PR target/36684
6398         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.
6399
6400 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
6401
6402         * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
6403         build_gimple_modify_stmt.
6404         (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
6405         gimple operand.  Use fold_build* instead of build*.
6406
6407 2008-07-04  Richard Guenther  <rguenther@suse.de>
6408
6409         * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
6410         (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
6411         properly to compute the reachability set if we do field-sensitive PTA.
6412         * invoke.texi (max-fields-for-field-sensitive): Document default.
6413         * opts.c (decode_options): Set max-fields-for-field-sensitive to
6414         100 for optimize >= 2.
6415
6416 2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6417
6418         * ggc-zone.c (lookup_page_table_if_allocated,
6419         set_page_table_entry, zone_find_object_size, alloc_small_page,
6420         alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
6421         new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
6422         -Wc++-compat and/or -Wcast-qual warnings.
6423
6424 2008-07-04  Alan Modra  <amodra@bigpond.net.au>
6425
6426         PR target/36634
6427         * config/rs6000/rs6000.md (call, call_value): Don't arrange for
6428         pic_offset_table_rtx to be marked as used here.
6429         (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
6430         TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
6431         (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
6432         (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
6433         !TARGET_SECURE_PLT.
6434
6435 2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6436
6437         * alloc-pool.c (hash_descriptor, eq_descriptor,
6438         alloc_pool_descriptor): Fix -Wc++-compat warnings.
6439         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
6440         Likewise.
6441         * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
6442         loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
6443         final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
6444         * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
6445         Likewise.
6446
6447 2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>
6448
6449         * tree-flow.h (loop_only_exit_p): Declare.
6450         * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
6451         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
6452         the number of iterations if it is constant.  Otherwise, if this is the
6453         only possible exit of the loop, use the conservative estimate on the
6454         number of iterations of the entire loop if available.
6455
6456 2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>
6457
6458         * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
6459         * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
6460         Add synchronization functions.
6461         * config/sync.c: New file.
6462         * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
6463         (LIBGCC_SYNC_CFLAGS): Likewise.
6464
6465 2008-07-03  Uros Bizjak  <ubizjak@gmail.com>
6466
6467         PR target/36710
6468         * config/i386/i386.md (mode): Add TF to "mode" attribute.
6469         (*pushtf_sse): New insn pattern.
6470         (pushtf splitters): New splitters.
6471
6472 2008-07-03  Michael Meissner  <gnu@the-meissners.org>
6473
6474         PR middle-end/35736
6475         * predict.c (build_predict_expr): Use void_type_node for the tree
6476         type, instead of NULL_TREE.
6477
6478 2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>
6479
6480         * config/i386/i386.c (contains_aligned_value_p): Return true
6481         for TCmode.
6482         (ix86_data_alignment): Align TCmode to 128bits.
6483         (ix86_local_alignment): Likewise.
6484
6485 2008-07-03  Andrew Haley  <aph@redhat.com>
6486
6487         PR bootstrap/33304
6488         * vec.h (VEC_TA): New.
6489         (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
6490         DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
6491         * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
6492         (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
6493         (C_COMMON_FIXED_TYPES): Remove first arg.
6494         (C_COMMON_FIXED_MODE_TYPES): Likewise.
6495         * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
6496         MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
6497         not to use empty macro arguments.
6498
6499 2008-07-02  Joseph Myers  <joseph@codesourcery.com>
6500
6501         * config/alpha/vms_tramp.asm, config/arm/crti.asm,
6502         config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
6503         config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
6504         config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
6505         config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
6506         config/i386/sol2-gc1.asm, config/ia64/crti.asm,
6507         config/ia64/crtn.asm, config/m68hc11/larith.asm,
6508         config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
6509         config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
6510         config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
6511         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
6512         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
6513         config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
6514         config/rs6000/e500crtres64gpr.asm,
6515         config/rs6000/e500crtres64gprctr.asm,
6516         config/rs6000/e500crtrest32gpr.asm,
6517         config/rs6000/e500crtrest64gpr.asm,
6518         config/rs6000/e500crtresx32gpr.asm,
6519         config/rs6000/e500crtresx64gpr.asm,
6520         config/rs6000/e500crtsav32gpr.asm,
6521         config/rs6000/e500crtsav64gpr.asm,
6522         config/rs6000/e500crtsav64gprctr.asm,
6523         config/rs6000/e500crtsavg32gpr.asm,
6524         config/rs6000/e500crtsavg64gpr.asm,
6525         config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
6526         config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
6527         config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
6528         config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
6529         config/sparc/sol2-cn.asm: Remove .file directives.
6530
6531 2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
6532
6533         * resource.c (mark_referenced_resources): Look inside
6534         UNSPEC_VOLATILEs and ASM_INPUTs.
6535
6536 2008-07-02  Ian Lance Taylor  <iant@google.com>
6537
6538         * rtlanal.c (add_reg_note): New function.
6539         * rtl.h (add_reg_note): Declare.
6540         * auto-inc-dec.c (attempt_change): Use add_reg_note.
6541         * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
6542         * builtins.c (expand_builtin_longjmp): Likewise.
6543         (expand_builtin_nonlocal_goto): Likewise.
6544         * calls.c (emit_call_1, expand_call): Likewise.
6545         * cfgexpand.c (add_reg_br_prob_note): Likewise.
6546         * cfglayout.c (fixup_reorder_chain): Likewise.
6547         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
6548         (commit_one_edge_insertion): Likewise.
6549         * combine.c (move_deaths, distribute_notes): Likewise.
6550         * df-problems.c (df_set_note): Likewise.
6551         * emit-rtl.c (link_cc0_insns, try_split): Likewise.
6552         (set_unique_reg_note): Likewise.
6553         (emit_copy_of_insn_after): Likewise.
6554         * expr.c (expand_expr_real): Likewise.
6555         * gcse.c (add_label_notes): Likewise.
6556         * haifa-sched.c (create_check_block_twin): Likewise.
6557         * jump.c (mark_jump_label_1): Likewise.
6558         * loop-doloop.c (add_test, doloop_modify): Likewise.
6559         * loop-unswitch.c (compare_and_jump_seq): Likewise.
6560         * lower-subreg.c (move_eh_region_note): Likewise.
6561         * optabs.c (emit_libcall_block): Likewise.
6562         * predict.c (predict_insn): Likewise.
6563         (combine_predictions_for_insn): Likewise.
6564         * recog.c (peephole2_optimize): Likewise.
6565         * regmove.c (try_auto_increment): Likewise.
6566         * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
6567         * reload.c (find_reloads): Likewise.
6568         * reload1.c (fixup_eh_region_note): Likewise.
6569         (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
6570         * reorg.c (delete_prior_computation): Likewise.
6571         (delete_computation, dbr_schedule): Likewise.
6572         * config/pa/pa.c (legitimize_pic_address): Likewise.
6573         * config/sh/sh.c (sh_reorg): Likewise.
6574
6575 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6576
6577         PR target/36669
6578         * config/libgcc-glibc.ver: Add %exclude.
6579         * config/m32r/libgcc-glibc.ver: Likwise.
6580         * config/s390/libgcc-glibc.ver: Likwise.
6581         * config/sh/libgcc-glibc.ver: Likwise.
6582         * config/sparc/libgcc-sparc-glibc.ver: Likwise.
6583
6584         * config/i386/libgcc-glibc.ver: New.
6585
6586         * config/i386/libgcc-x86_64-glibc.ver: Removed.
6587
6588 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6589
6590         * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
6591         from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
6592         i[34567]86-*-linux*, x86_64-*-linux*.  Add
6593         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
6594         i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
6595         x86_64-*-linux*.  Add i386/t-linux to tmake_file for
6596         i[34567]86-*-linux*, x86_64-*-linux*.
6597
6598         * libgcc-std.ver: Add empty GCC_4.4.0.
6599
6600         * mkmap-symver.awk: Support multiple versions per symbol.
6601
6602         * config/i386/i386.c (ix86_init_builtins): Always define
6603         __builtin_fabsq and __builtin_copysignq with fallbacks.
6604         (ix86_expand_builtin): Emit normal call for __builtin_fabsq
6605         and __builtin_copysignq if SSE2 isn't available.
6606
6607         * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
6608         (LIBGCC2_TF_CEXT): Likwise.
6609         (TF_SIZE): Likwise.
6610
6611         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
6612
6613         * config/i386/sfp-machine.h: Moved to libgcc.
6614
6615         * config/i386/sfp-machine.h: New.
6616         * config/i386/t-linux: Likwise.
6617
6618         * config/i386/t-darwin: Remove softfp_wrap_start and
6619         softfp_wrap_end.
6620         * config/i386/t-darwin64: Likewise.
6621
6622         * config/i386/t-fprules-softfp64: Renamed to ...
6623         * config/i386/t-fprules-softfp: This.
6624
6625         * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
6626         and softfp_wrap_end.
6627
6628 2008-07-02  Jason Merrill  <jason@redhat.com>
6629
6630         * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.
6631
6632         * tree.c (ctor_to_list): New fn.
6633         * tree.h: Declare it.
6634         (CONSTRUCTOR_ELT): New macro.
6635         (CONSTRUCTOR_NELTS): New macro.
6636
6637 2008-07-02  Richard Guenther  <rguenther@suse.de>
6638
6639         * tree-ssa-structalias.c (struct variable_info): Reorder
6640         to fill padding on 64bit hosts.  Make collapsed_to an int.
6641         (get_varinfo_fc): Deal with that.
6642         (new_var_info): Likewise.
6643         (collapse_rest_of_var): Likewise.
6644
6645 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
6646
6647         * doc/install.texi (--enable-java-home): Document.
6648         (--enable-aot-compile-rpm): Likewise.
6649         (--with-arch-directory): Likewise.
6650         (--with-os-directory): Likewise.
6651         (--with-origin-name): Likewise.
6652         (--with-arch-suffix): Likewise.
6653         (--with-jvm-root-dir): Likewise.
6654         (--with-jvm-jar-dir): Likewise.
6655         (--with-python-dir): Likewise.
6656
6657 2008-07-02  Richard Guenther  <rguenther@suse.de>
6658
6659         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
6660         from decls explicitly.  Merge operand checking from tuples.
6661
6662 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6663
6664         * tree-switch-conversion.c: Included timevar.h which I forgot before.
6665
6666 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6667
6668         * tree-switch-conversion.c: Included timevar.h
6669         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
6670
6671         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
6672
6673 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6674
6675         * tree-switch-conversion.c: Corrected various comments and
6676         whitespace issues
6677         (build_constructors): Fixed minor formatting mistakes.
6678
6679         * invoke.texi (Optimize Options): Corrected the
6680         switch-conversion-max-branch-ratio parameter.
6681
6682 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
6683
6684         * final.c (asm_insn_count): Return zero for an empty asm body.
6685
6686 2008-07-02  Richard Guenther  <rguenther@suse.de>
6687
6688         * bitmap.h (bitmap_set_bit): Return bool.
6689         (bitmap_clear_bit): Likewise.
6690         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
6691         write to the bitmap if it would.
6692         (bitmap_clear_bit): Likewise.
6693         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
6694         bitmap_set_bit return value.
6695         (add_pred_graph_edge): Likewise.
6696         (add_graph_edge): Likewise.
6697         (do_sd_constraint): Likewise.
6698         (do_ds_constraint): Likewise.
6699
6700 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6701
6702         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
6703         Fix -Wc++-compat and/or -Wcast-qual warnings.
6704         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
6705         gen_regparm_prefix): Likewise.
6706         * vmsdbgout.c (write_modbeg, lookup_filename,
6707         vmsdbgout_source_line, vmsdbgout_init): Likewise.
6708
6709 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
6710
6711         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
6712         defaults.h definition apply.
6713
6714 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6715
6716         * function.c (assign_parm_remove_parallels): New.
6717         (assign_parm_setup_block_p): Do not return true for non-BLKmode
6718         PARALLELs.
6719         (assign_parm_setup_block): Do not handle them.
6720         (assign_parm_setup_reg, assign_parm_setup_stack): Call
6721         assign_parm_remove_parallels.
6722
6723 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6724
6725         * c-typeck.c (convert_for_assignment): Use
6726         vector_targets_convertible_p.
6727         * c-common.c (vector_targets_convertible_p): New.
6728         * c-common.h (vector_targets_convertible_p): New prototype.
6729         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
6730         opaque_p_V2SI_type_node.
6731
6732 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
6733
6734         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
6735         RFmode constants.
6736
6737 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
6738
6739         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
6740         TFmode constants via two element DImode vector for hosts with
6741         HOST_BITS_PER_WIDE_INT < 64.
6742         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
6743         also for HOST_BITS_PER_WIDE_INT < 64.
6744
6745 2008-07-01  Richard Guenther  <rguenther@suse.de>
6746
6747         PR tree-optimization/36666
6748         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
6749         (get_constraint_exp_from_ssa_var): Split into ...
6750         (get_constraint_exp_for_temp): ... this ...
6751         (get_constraint_for_ssa_var): ... and that.
6752         Return constraint expressions for all touched sub-fields
6753         if the results address is not taken.
6754         (process_constraint): Remove assertion that aggregate
6755         assignments do not happen at this place.
6756         (get_constraint_for_component_ref): Add address_p argument.
6757         Return constraint expressions for all touched sub-fields
6758         if the results address is not taken.
6759         (do_deref): Use get_constraint_exp_for_temp.
6760         (get_constraint_for_1): Rename from ...
6761         (get_constraint_for): ... this.  Add the old function as wrapper.
6762         (do_structure_copy): Use get_constraint_for_1.
6763
6764 2008-07-01  Martin Jambor  <mjambor@suse.cz>
6765
6766         * Makefile.in (tree-switch-conversion.o): Add.
6767         (OBJS-common): Add tree-swtch-conversion.o.
6768         * passes.c (init_optimization_passes): Add pass_convert_switch.
6769         * tree-pass.h: (pass_convert_switch): Add.
6770         * tree-switch-conversion.c: New file.
6771         * gcc.dg/tree-ssa/cswtch.c: New testcase.
6772         * common.opt (ftree-cswtch): New option.
6773         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6774         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6775         * opts.c (decode_options): Set flag_tree_switch_conversion when
6776         optimization level is >= 2.
6777         * doc/invoke.texi (Optimize Options): Added description of
6778         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
6779
6780 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6781
6782         * config/darwin-driver.c (darwin_default_min_version): Fix
6783         -Wc++-compat warnings.
6784
6785 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
6786
6787         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
6788         of operand 0.
6789
6790 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
6791
6792         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
6793
6794 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
6795
6796         PR rtl-optimization/34744
6797         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
6798         (df_scan_free_internal): Free data structures not
6799         allocated in storage pools.
6800         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
6801         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
6802         df_scan_free_mws_vec.
6803         * dse.c (dse_step6): Free offset_map_p and offset_map_n
6804         unconditionally.
6805
6806 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
6807
6808         * config/i386/i386.c (contains_aligned_value_p): Return true
6809         for __float128.
6810         (ix86_function_arg_boundary): Return its natural boundary
6811         for __float128.
6812         (return_in_memory_32): Don't check TDmode.
6813         (ix86_split_to_parts): Support splitting into 4 parts and
6814         support TFmode for 32bit target.
6815         (ix86_split_long_move): Support splitting into 4 parts.
6816         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
6817         for SSE2.
6818         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
6819         (ix86_init_builtins): Here.
6820         (ix86_scalar_mode_supported_p): Always return true for TFmode.
6821         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
6822         'q' and 'w', respectively.
6823
6824         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
6825         TARGET_64BIT.
6826         (movtf_internal): Likewise.
6827         (<code>tf2): Likewise.
6828         (*absnegtf2_sse): Likewise.
6829         (copysign<mode>3): Likewise.
6830         (copysign<mode>3_const): Likewise.
6831         (copysign<mode>3_var): Likewise.
6832         (define_split UNSPEC_COPYSIGN): Likewise.
6833         * config/i386/sse.md (*nandtf3): Likewise.
6834         (<code>tf3): Likewise.
6835         (*<code>tf3): Likewise.
6836
6837 2008-06-30  Joey Ye  <joey.ye@intel.com>
6838             H.J. Lu  <hongjiu.lu@intel.com>
6839
6840         * global.c (compute_regsets): Set frame_pointer_needed here.
6841         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
6842
6843 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
6844
6845         * doc/install.texi (specific): Expand Windows build notes.
6846
6847 2008-06-30  Ira Rosen  <irar@il.ibm.com>
6848
6849         PR tree-optimization/36648
6850         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
6851         number of prolog iterations by step. Fix the comment.
6852
6853 2008-06-30  Richard Guenther  <rguenther@suse.de>
6854
6855         PR middle-end/36671
6856         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
6857         handle calls from ECF_MALLOC functions.
6858         (handle_pure_call): ECF_MALLOC functions do not return
6859         call-used memory.
6860         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
6861
6862 2008-06-29  Andreas Schwab  <schwab@suse.de>
6863
6864         * config/m68k/m68k.c (print_operand): Always print a float
6865         constant in hex.
6866         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
6867         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
6868         Remove macros.
6869
6870         * config/rs6000/x-linux64: Remove never used file.
6871
6872 2008-06-29  Richard Guenther  <rguenther@suse.de>
6873
6874         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
6875         prototype.
6876         (struct alias_info): Move ...
6877         * tree-ssa-alias.c: ... here.
6878         (update_alias_info): Declare.
6879         (compute_may_aliases): Call it.
6880         (update_alias_info): New function.
6881         * tree-ssa-structalias.c (update_alias_info): Move ...
6882         * tree-ssa-alias.c (update_alias_info_1): ... here.
6883         * tree-ssa-structalias.c (process_constraint_1): Remove
6884         unused from_call argument.  Rename to ...
6885         (process_constraint): ... this.  Delete old wrapper.
6886         (make_constraint_to): Adjust callers.
6887         (handle_const_call): Likewise.
6888         (handle_pure_call): Likewise.
6889         (init_base_vars): Likewise.
6890         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
6891         (find_func_aliases): We don't need structure copies for
6892         complex types.
6893         (make_constraint_from_anything): Remove.
6894         (create_variable_info_for): For globals make constraints
6895         from escaped, not from anything.
6896         (compute_points_to_sets): Do not call update_alias_info.
6897         (ipa_pta_execute): Use make_constraint_from.
6898
6899 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6900
6901         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
6902         (bitmap.o-warn, dominance.o-warn): New.
6903         * configure.ac (cxx_compat_warn): Delete.
6904         (loose_warn): Add -Wcast-qual and -Wc++-compat.
6905         * system.h: Remove #pragma diagnostic for -Wcast-qual and
6906         -Wc++-compat.
6907         * configure: Regenerate.
6908
6909         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
6910         warnings.
6911
6912 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6913
6914         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
6915         * df-scan.c (df_notes_rescan): Likewise.
6916         * ggc-page.c (set_page_table_entry): Likewise.
6917         * intl.c (gcc_gettext_width): Likewise.
6918         * varasm.c (get_unnamed_section, get_noswitch_section,
6919         get_section): Likewise.
6920
6921 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
6922
6923         * regrename.c (build_def_use): Don't copy RTX.
6924
6925 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
6926
6927         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
6928         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
6929         punctuation.  Use @ref instead of @xref.
6930         (Function Names): Remove stray @display/@end display.
6931         (C++ Attributes): Use @ref instead of @xref.
6932         (Deprecated Features): Fix punctuation around @xref.
6933         (Backwards Compatibility): Likewise.
6934         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
6935
6936 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
6937
6938         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
6939         constants for E500 double.
6940
6941 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6942
6943         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
6944         element type of const_vector.
6945
6946 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
6947
6948         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
6949         Remove FLAGS_REG clobber from expander pattern.
6950         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
6951         (anddi3, andsi3, andhi3, andqi3): Ditto.
6952         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
6953         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
6954         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
6955         (ashlsi3, ashlhi3, ashlqi3): Ditto.
6956         (ashrsi3, ashrhi3, ashrqi3): Ditto.
6957         (lshrsi3, lshrhi3, lshrqi3): Ditto.
6958         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
6959         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
6960
6961 2008-06-28  Richard Guenther  <rguenther@suse.de>
6962
6963         * tree-ssa-structalias.c (callused_id, var_callused,
6964         callused_tree): Add.
6965         (handle_pure_call): New function.
6966         (find_func_aliases): Call it.
6967         (find_what_p_points_to): Handle the call-used set.
6968         (clobber_what_escaped): Likewise.
6969         (compute_call_used_vars): New function.
6970         (init_base_vars): Init the call-used variable.
6971         (do_sd_constraint): Do not propagate the solution from CALLUSED
6972         but use CALLUSED as a placeholder.
6973         (solve_graph): Likewise.
6974         * tree-flow-inline.h (gimple_call_used_vars): New function.
6975         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
6976         (compute_call_used_vars): Declare.
6977         * tree-ssa-alias.c (set_initial_properties): Call
6978         compute_call_used_vars.
6979         (reset_alias_info): Clear call-used variables.
6980         (add_call_clobber_ops): Assert we are not called for const/pure
6981         functions.  Remove handling of them.
6982         (add_call_read_ops): Handle pure functions by adding the
6983         call-used set of variables as VUSEs.
6984         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
6985         (delete_tree_ssa): Free it.
6986         * tree-dfa.c (remove_referenced_var): Clear the var from the
6987         call-used bitmap.
6988
6989 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
6990
6991         * tree.c (build_varargs_function_type_list): New.
6992         (build_function_type_list_1): New.
6993         (build_function_type_list): Use build_function_type_list_1.
6994         * tree.h (build_varargs_function_type_list): New.
6995
6996 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6997
6998         PR target/34856
6999         * config/spu/spu.c (spu_builtin_splats): Do not generate
7000         invalid CONST_VECTOR expressions.
7001         (spu_expand_vector_init): Likewise.
7002
7003 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
7004
7005         * optabs.c (libfunc_decls): New variable.
7006         (libfunc_decl_hash, libfunc_decl_eq): New functions.
7007         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
7008         for the same function twice.
7009
7010 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
7011
7012         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
7013         ix86_expand_binary_operator directly.
7014         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
7015         for operand 2.
7016         (*ashrti3_1): Ditto.
7017         (*lshrti3_1): Ditto.
7018         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
7019         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
7020         using only one splitter.  Conditionaly execute splitter before or
7021         after peephole2 pass.
7022         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
7023         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
7024         Use only one alternative in asm template.
7025         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
7026         in asm template.
7027         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
7028         "J" operand constraint for operand 2.
7029         (*ashldi3_cconly_rex64): Ditto.
7030         (*ashrdi3_cmp_rex64): Ditto.
7031         (*ashrdi3_cconly_rex64): Ditto.
7032         (*lshrdi3_cmp_rex64): Ditto.
7033         (*lshrdi3_cconly_rex64): Ditto.
7034         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
7035         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
7036         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
7037         gen_x86_shrd_1.
7038
7039 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
7040
7041         * gimplify.c (omp_is_private): Don't return true if decl is not
7042         already private on #pragma omp for or #pragma omp parallel for.
7043
7044         PR debug/36617
7045         * tree-cfg.c (struct move_stmt_d): Replace block field with
7046         orig_block and new_block fields.
7047         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
7048         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
7049         (move_block_to_fn): Replace vars_map and new_label_map arguments
7050         with struct move_stmt_d pointer.
7051         (replace_block_vars_by_duplicates): New function.
7052         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
7053         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
7054         all subblocks of ORIG_BLOCK to the new function.  Call
7055         replace_block_vars_by_duplicates.
7056         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
7057         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
7058         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
7059         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
7060         (expand_omp): Temporarily set input_location to the location of
7061         region's controlling stmt.
7062         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
7063         BIND_EXPR, push ctx->block_vars and gimplification vars into
7064         the BIND_EXPR and its block's BLOCK_VARS instead of directly
7065         into dest function.
7066         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
7067         there are any BLOCK_VARS.
7068         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
7069         OMP_PARALLEL or OMP_TASK stmt.
7070         (lower_omp): Save and restore input_location around the lower_omp_1
7071         call.
7072
7073 2008-06-27  Richard Guenther  <rguenther@suse.de>
7074
7075         PR tree-optimization/36400
7076         PR tree-optimization/36373
7077         PR tree-optimization/36344
7078         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
7079         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
7080         (update_alias_info): Remove call clobbering code.
7081         (make_constraint_to): New helper function.
7082         (make_escape_constraint): Likewise.
7083         (handle_rhs_call): Use it on all pointer containing arguments.
7084         Also mark the static chain escaped.
7085         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
7086         instead of ANYTHING.
7087         (make_constraint_from): New helper split out from ...
7088         (make_constraint_from_anything): ... here.
7089         (find_func_aliases): Add constraints for escape sites.
7090         (intra_create_variable_infos): Make constraints from NONLOCAL
7091         for parameters.
7092         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
7093         as ANYTHING.
7094         (clobber_what_p_points_to): Remove.
7095         (clobber_what_escaped): New function.
7096         (init_base_vars): Init NONLOCAL and ESCAPED.
7097         (do_sd_constraint): Do not propagate the solution from ESCAPED
7098         but use ESCAPED as a placeholder.
7099         (solve_graph): Likewise.
7100         * tree-flow.h (clobber_what_p_points_to): Remove.
7101         (clobber_what_escaped): Declare.
7102         * tree-ssa-alias.c (set_initial_properties): Call it.
7103         Remove code clobbering escaped pointers.
7104
7105 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
7106
7107         * function.c (allocate_struct_function): Only allocate a unique
7108         funcdef_no if the decl is nonzero.
7109
7110 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
7111
7112         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
7113         * config/mips/mips.c (mips_split_const_insns): New function.
7114         * config/mips/mips.md (move_type): New attribute.
7115         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
7116         (dword_mode): New attribute.
7117         (type): Avoid long line.  Map "move_type"s to "type"s,
7118         choosing "multi" for doubleword moves if appropriate.
7119         Swap MTC/MFC comments to match their declaration order.
7120         (extended_mips16): Default to "yes" if "move_type" is "sll0",
7121         "type" is "branch" or "jal" is "direct".
7122         (length): Handle "extended_mips16" first.  Make the default
7123         "0" for "ghost" instructions.  Set the length from "move_type".
7124         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
7125         of "type", with "sll0" for the register alternative.  Remove the
7126         "extended_mips16" attribute.
7127         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
7128         of "type", with "shift_shift" for the register alternative.
7129         Remove the "length" attribute.
7130         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
7131         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
7132         of "type", with "andi" for the register alternative.
7133         (*zero_extendqihi2): Likewise.
7134         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
7135         of "andi" instead of a "type" of "arith".
7136         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
7137         instead of "type".
7138         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
7139         (mov_<store>r, *mov<mode>_ra): Likewise.
7140         (extendsidi2): Use "move_type" instead of "type", with "move"
7141         for the register alternative.
7142         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
7143         of "type", with "signext" for the register alternative.
7144         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
7145         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
7146         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
7147         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
7148         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
7149         (unnamed branch insn): Likewise.
7150         (*movdi_gp32_fp64): Fold into...
7151         (*movdi_32bit): ...here.
7152         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
7153         (*movdf_hardfloat): ...this new pattern.
7154         (*movdf_softfloat): Remove redundant FPR alternatives.
7155         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
7156         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
7157         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
7158         the "move" attribute.
7159         (*movdi_32bit): Use "move_type" instead of "type" and remove the
7160         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
7161         and "store" for COP loads and stores.
7162         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
7163         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
7164         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
7165         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
7166         (*movtf_mips16, *movv2sf): Likewise.
7167         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
7168         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
7169         (mfhc1<mode>): Use "move_type" instead of "move".
7170         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
7171         (loadgp_blockage): Remove the "length" attribute.
7172         (blockage, set_got_version, update_got_version): Likewise.
7173         (call_internal): Remove the "extended_mips16" attribute.
7174         (call_value_internal, call_value_multiple_internal): Likewise.
7175         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
7176         instead of "move".
7177         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
7178         the "length" attribute.
7179
7180 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7181
7182         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
7183         -Wcast-qual warnings.
7184         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
7185         handle_pragma_pop_macro): Likewise.
7186         * collect2.c (resolve_lib_name): Likewise.
7187         * config/arc/arc.c (arc_init): Likewise.
7188         * config/arm/arm.c (neon_builtin_compare,
7189         locate_neon_builtin_icode): Likewise.
7190         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
7191         * config/bfin/bfin.c (bfin_init_machine_status,
7192         bfin_optimize_loop): Likewise.
7193         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7194         * config/cris/cris.c (cris_init_expanders): Likewise.
7195         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
7196         * config/darwin.c (machopic_indirection_eq,
7197         machopic_indirection_name, machopic_output_indirection): Likewise.
7198         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
7199         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
7200         frv_optimize_membar): Likewise.
7201         * config/i386/cygwin.h (mingw_scan,
7202         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
7203         * config/i386/cygwin1.c (mingw_scan): Likewise.
7204         * config/i386/i386.c (machopic_output_stub): Likewise.
7205         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
7206         i386_pe_unique_section): Likewise.
7207         * config/ia64/ia64.c (ia64_init_machine_status,
7208         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
7209         Likewise.
7210         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
7211         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
7212         * config/m68k/m68k.c (m68k_handle_option,
7213         m68k_sched_md_init_global): Likewise.
7214         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
7215         mcore_unique_section): Likewise.
7216         * config/mips/mips.c (mips_block_move_straight,
7217         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
7218         Likewise.
7219         * config/mmix/mmix.c (mmix_init_machine_status,
7220         mmix_encode_section_info): Likewise.
7221         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
7222         * config/rs6000/rs6000.c (rs6000_init_machine_status,
7223         print_operand_address, output_toc, redefine_groups,
7224         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
7225         * config/s390/s390.c (s390_init_machine_status): Likewise.
7226         * config/score/score.c (score_block_move_straight,
7227         score_block_move_loop_body): Likewise.
7228         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
7229         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
7230         * emit-rtl.c (find_auto_inc): Likewise.
7231         * gcc.c (translate_options, process_command): Likewise.
7232         * reorg.c (dbr_schedule): Likewise.
7233         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
7234         * xcoffout.c (xcoffout_declare_function): Likewise.
7235
7236 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
7237
7238         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
7239         ipa-pta working again.
7240
7241 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
7242
7243         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
7244         genautomata.
7245
7246 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
7247
7248         * config.gcc (powerpc*-*-*): Add new core e500mc.
7249         * config/rs6000/e500mc.md: New file.
7250         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7251         e500mc.
7252         (rs6000_override_options): Add e500mc case to
7253         processor_target_table. Altivec and Spe options not allowed
7254         with e500mc. Add isel instruction to e500mc by
7255         default. Initialize rs6000_cost for e500mc.
7256         (rs6000_issue_rate): Set issue rate for e500mc.
7257         * config/rs6000/rs6000.h (processor_type): Add
7258         PROCESSOR_PPCE500MC.
7259         (ASM_CPU_SPEC): Add e500mc.
7260         Set TARGET_ISEL to rs6000_isel.
7261         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
7262         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
7263         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
7264         Include e500mc.md.
7265         * doc/invoke.texi: Add e500mc to list of cpus.
7266
7267 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7268
7269         PR c/34867
7270         * c-lex.c (lex_charconst): Initialize unsignedp.
7271
7272 2008-06-27  Olivier Hainque  <hainque@adacore.com>
7273
7274         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
7275         documented assumptions.
7276
7277 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
7278
7279         * dwarf2out.c: Remove trailing white spaces.  Break long line
7280         in comments.
7281
7282 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
7283
7284         * libfuncs.h (LTI_synchronize): New libfunc_index.
7285         (synchronize_libfunc): Declare.
7286         * builtins.c (expand_builtin_synchronize): Consider using
7287         synchronize_libfunc before falling back on an asm blockage.
7288         * config/mips/mips.c: Include libfuncs.h
7289         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
7290
7291 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
7292
7293         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
7294         parameter.  Copy stack_reg to r11 where appropriate.
7295         (no_global_regs_above): Add gpr parameter.
7296         (rs6000_stack_info): Only add padding for SPE save area if we
7297         are saving SPE GPRs and CR.
7298         (saveres_routine_syms): New variable.
7299         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
7300         Define.
7301         (rs6000_savres_routine_sym): New function.
7302         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
7303         split out of...
7304         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
7305         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
7306         Tweak FPR out-of-line saving.
7307         (rs6000_make_savres_rtx): New function.
7308         (rs6000_use_multiple_p): New function.
7309         (rs6000_savres_strategy): New function.
7310         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
7311         out-of-line if appropriate.
7312         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
7313         if we are optimizing for size.
7314         (GP_SAVE_INLINE): Define.
7315         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
7316         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
7317         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
7318         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
7319         (*save_fpregs_<mode>): Add use of r11.
7320         (*restore_gpregs_<mode>): New insn.
7321         (*return_and_restore_gpregs_<mode>): New insn.
7322         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
7323         use r11.
7324         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
7325         (*restore_gpregs_spe): New insn.
7326         (*return_and_restore_gpregs_spe): New insn.
7327         * config/rs6000/predicates.md (save_world_operation): Fix check.
7328
7329 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7330
7331         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
7332         this point, so assert that.
7333
7334 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7335
7336         * cfganal.c: Include vec.h and vecprim.h.
7337         (compute_idf): Import from...
7338         * tree-into-ssa (compute_idf): ...here.
7339         * basic-block.h (compute_idf): Export.
7340
7341 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
7342
7343         * c-decl.c (merge_decls): Use !current_function_decl to check for
7344         extern declaration of C99 inline function being at file scope.
7345
7346 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
7347
7348         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
7349
7350 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7351
7352         * alias.c (record_alias_subset, init_alias_analysis): Fix
7353         -Wc++-compat and/or -Wcast-qual warnings.
7354         * attribs.c (lookup_attribute_spec): Likewise.
7355         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
7356         copy_bb, connect_traces,
7357         find_rarely_executed_basic_blocks_and_cr): Likewise.
7358         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
7359         note_btr_set, migrate_btr_defs): Likewise.
7360         * builtins.c (result_vector, expand_builtin_memcpy,
7361         expand_builtin_mempcpy_args, expand_builtin_strncpy,
7362         builtin_memset_read_str, expand_builtin_printf,
7363         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
7364         Likewise.
7365         * caller-save.c (mark_set_regs): Likewise.
7366         * calls.c (expand_call, emit_library_call_value_1): Likewise.
7367         * cgraph.c (cgraph_edge): Likewise.
7368         * combine.c (likely_spilled_retval_1): Likewise.
7369         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
7370         htab_counts_entry_del, get_coverage_counts): Likewise.
7371         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
7372         new_cselib_val): Likewise.
7373         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
7374         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
7375         Likewise.
7376         * df-core.c (df_compact_blocks): Likewise.
7377         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
7378         * df-scan.c (df_grow_reg_info, df_ref_create,
7379         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
7380         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
7381         df_record_entry_block_defs, df_record_exit_block_uses,
7382         df_bb_verify): Likewise.
7383         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
7384         DF_REF_EXTRACT_MODE_CONST): New.
7385         * dominance.c (get_immediate_dominator, get_dominated_by,
7386         nearest_common_dominator, root_of_dom_tree,
7387         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
7388         -Wc++-compat and/or -Wcast-qual warnings.
7389         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
7390         record_store, replace_read, check_mem_read_rtx, scan_insn,
7391         dse_step1, dse_record_singleton_alias_set): Likewise.
7392         * dwarf2asm.c (dw2_force_const_mem): Likewise.
7393
7394 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7395
7396         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
7397         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
7398         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
7399         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
7400         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
7401         add_ranges_num, add_ranges_by_labels, file_info_cmp,
7402         file_name_acquire, output_file_names, add_const_value_attribute,
7403         premark_used_types_helper, file_table_eq, file_table_hash,
7404         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
7405         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
7406         -Wcast-qual warnings.
7407         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
7408         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
7409         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
7410         gen_reg_rtx, start_sequence, init_emit): Likewise.
7411         * et-forest.c (et_new_occ, et_new_tree): Likewise.
7412         * except.c (init_eh_for_function, gen_eh_region,
7413         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
7414         arh_to_landing_pad, arh_to_label, add_action_record,
7415         add_call_site, switch_to_exception_section): Likewise.
7416         * expmed.c (synth_mult): Likewise.
7417         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
7418         store_expr): Likewise.
7419         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
7420         Likewise.
7421         * function.c (assign_stack_temp_for_type,
7422         allocate_struct_function, match_asm_constraints_1): Likewise.
7423         * gcov-io.c (gcov_allocate): Likewise.
7424         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
7425         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
7426         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
7427         record_one_set, insert_expr_in_table, insert_set_in_table,
7428         dump_hash_table, compute_hash_table_work, alloc_hash_table,
7429         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
7430         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
7431         -Wcast-qual warnings.
7432
7433 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7434
7435         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
7436         -Wcast-qual warnings.
7437         * gcc.c (process_command): Likewise.
7438         * genattrtab.c (oballoc): Use XOBNEW.
7439         (oballocvec): Define.
7440         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
7441         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
7442         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
7443         -Wc++-compat and/or -Wcast-qual warnings.
7444         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
7445         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
7446         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
7447         gen_presence_absence_set, gen_automaton, gen_regexp_el,
7448         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
7449         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
7450         add_excls, process_presence_absence_names,
7451         process_presence_absence_patterns, add_presence_absence,
7452         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
7453         get_free_state, add_arc, get_free_automata_list_el,
7454         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
7455         transform_3, cache_presence, create_ainsns, create_automata,
7456         create_state_ainsn_table, dfa_insn_code_enlarge,
7457         output_trans_func, output_min_issue_delay_func,
7458         output_dead_lock_func, output_reset_func,
7459         output_get_cpu_unit_code_func, output_dfa_start_func,
7460         expand_automata): Likewise.
7461         * genextract.c (gen_insn): Likewise.
7462         * gengtype-lex.l: Likewise.
7463         * gengtype.c (read_input_list, adjust_field_type,
7464         process_gc_options): Likewise.
7465         * genoutput.c (note_constraint): Likewise.
7466         * genpreds.c (mangle, add_constraint): Likewise.
7467         * genrecog.c (process_define_predicate, new_decision,
7468         add_to_sequence): Likewise.
7469         * gensupport.c (record_insn_name): Likewise.
7470
7471 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7472
7473         * config/i386/driver-i386.c (detect_caches_amd,
7474         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
7475         and/or -Wcast-qual warnings.
7476         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
7477         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
7478         gt_pch_save): Likewise.
7479         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
7480         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
7481         * global.c (compute_regsets): Likewise.
7482         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
7483         finish_graph_dump_file): Likewise.
7484         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
7485         unlink_bb_notes): Likewise.
7486         * integrate.c (get_hard_reg_initial_val): Likewise.
7487         * ipa-prop.c (ipa_push_func_to_list): Likewise.
7488         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
7489         * local-alloc.c (update_equiv_regs): Likewise.
7490         * loop-invariant.c (check_invariant_table_size,
7491         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
7492         Likewise.
7493         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
7494         altered_reg_used, mark_altered): Likewise.
7495         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
7496         insert_var_expansion_initialization,
7497         combine_var_copies_in_loop_exit, apply_opt_in_copies,
7498         release_var_copies): Likewise.
7499         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
7500         analyze_matrix_decl, add_allocation_site, analyze_transpose,
7501         analyze_accesses_for_phi_node, check_var_notmodified_p,
7502         check_allocation_function, find_sites_in_func,
7503         record_all_accesses_in_func, transform_access_sites,
7504         transform_allocation_sites): Likewise.
7505         * omp-low.c (new_omp_region, create_omp_child_function_name,
7506         check_omp_nesting_restrictions, check_combined_parallel,
7507         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
7508         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
7509         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
7510         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
7511         Likewise.
7512         * opts-common.c (prune_options): Likewise.
7513         * opts.c (add_input_filename, print_filtered_help,
7514         get_option_state): Likewise.
7515         * params.c (add_params): Likewise.
7516         * passes.c (set_pass_for_id, next_pass_1,
7517         do_per_function_toporder, pass_fini_dump_file): Likewise.
7518         * postreload.c (reload_cse_simplify_operands): Likewise.
7519         * predict.c (tree_predicted_by_p, tree_predict_edge,
7520         clear_bb_predictions, combine_predictions_for_bb): Likewise.
7521
7522 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7523
7524         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
7525         warnings.
7526         * recog.c (check_asm_operands, validate_change_1): Likewise.
7527         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
7528         subst_asm_stack_regs): Likewise.
7529         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
7530         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
7531         * regmove.c (reg_is_remote_constant_p): Likewise.
7532         * regrename.c (regrename_optimize, scan_rtx_reg,
7533         kill_clobbered_value, kill_set_value, kill_autoinc_value):
7534         Likewise.
7535         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
7536         regstat_compute_calls_crossed): Likewise.
7537         * reload1.c (init_reload, new_insn_chain,
7538         has_nonexceptional_receiver, reload, copy_reloads,
7539         calculate_needs_all_insns, init_elim_table): Likewise.
7540         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
7541         * rtl.c (shallow_copy_rtx_stat): Likewise.
7542         * rtlanal.c (parms_set): Likewise.
7543         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
7544         sbitmap_resize, sbitmap_vector_alloc): Likewise.
7545         * sched-ebb.c (earliest_block_with_similiar_load,
7546         add_deps_for_risky_insns): Likewise.
7547         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
7548         schedule_region): Likewise.
7549         * see.c (eq_descriptor_pre_extension,
7550         hash_descriptor_pre_extension, hash_del_pre_extension,
7551         eq_descriptor_properties, hash_descriptor_properties,
7552         hash_del_properties, see_seek_pre_extension_expr,
7553         see_initialize_data_structures, see_print_register_properties,
7554         see_print_pre_extension_expr, see_delete_merged_def_extension,
7555         see_delete_unmerged_def_extension, see_emit_use_extension,
7556         see_pre_delete_extension, see_map_extension, see_commit_changes,
7557         see_analyze_merged_def_local_prop,
7558         see_analyze_merged_def_local_prop,
7559         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
7560         see_set_prop_merged_def, see_set_prop_unmerged_def,
7561         see_set_prop_unmerged_use, see_print_one_extension,
7562         see_merge_one_use_extension, see_merge_one_def_extension,
7563         see_store_reference_and_extension, see_update_uses_relevancy,
7564         see_update_defs_relevancy): Likewise.
7565         * statistics.c (hash_statistics_hash, hash_statistics_eq,
7566         hash_statistics_free, curr_statistics_hash): Likewise.
7567         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
7568         expand_asm_operands, expand_return, case_bit_test_cmp,
7569         expand_case): Likewise.
7570         * stor-layout.c (start_record_layout): Likewise.
7571         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
7572         gt_pch_save_stringpool): Likewise.
7573         * tree-data-ref.c (hash_stmt_vertex_info,
7574         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
7575         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
7576
7577 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
7578
7579         PR target/36627
7580         * config/i386/i386.md : Change constraints of HImode and QImode
7581         immediate operands from "i" to "n".  Change SImode "ni" constraint to
7582         "i" and SImode "rmi" constraint to "g".  Remove all constraints
7583         from const0_operand and const1_operand predicated operands.
7584         (i): Change QImode and HImode attribute from "i" to "n".
7585         (*subqi_2): Change HImode operands to QImode.
7586         (*subqi_3): Ditto.
7587
7588 2008-06-25  Olivier Hainque  <hainque@adacore.com>
7589
7590         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
7591         sed substitutions.
7592
7593 2008-06-25  Richard Guenther  <rguenther@suse.de>
7594
7595         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
7596         not overflow the result type.
7597
7598 2008-06-25  Richard Guenther  <rguenther@suse.de>
7599
7600         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
7601         (vn_lookup): Likewise.
7602
7603 2008-06-25  Richard Guenther  <rguenther@suse.de>
7604
7605         PR tree-optimization/35518
7606         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
7607         * tree-sra.c (instantiate_element): Use fold_build3 to build
7608         BIT_FIELD_REFs.
7609         (try_instantiate_multiple_fields): Likewise.
7610
7611 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7612
7613         * config/rs6000/rs6000.md: Change all string instruction's clobber to
7614         be early clobbers.
7615
7616 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7617
7618         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
7619         use_backchain_to_restore_sp to true
7620         if the offset of the link register save area would go over the 32k - 1
7621         offset limit of the load
7622         instructions.
7623
7624 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
7625
7626         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
7627         anchor for the type-punning blurb.  Cross-reference "Structures
7628         unions enumerations and bit-fields implementation".  Provide a
7629         cast-through-pointer example.  Make final sentence self-contained.
7630         * doc/implement-c.texi (Structures unions enumerations and
7631         bit-fields implementation): Cross-reference the type-punning blurb
7632         in the -fstrict-aliasing documentation.
7633
7634 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7635
7636         PR middle-end/36594
7637         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
7638         the memory instead of the memory itself for the save area.
7639
7640 2008-06-24  Olivier Hainque  <hainque@adacore.com>
7641             Nicolas Roche  <roche@adacore.com>
7642
7643         * gengtype.c (srcdir_len): size_t instead of int.
7644         (get_file_realbasename): New function.  For F a filename, the real
7645         basename of F, with all the path components stripped.
7646         (get_file_srcdir_relative_path): New function.  For F a filename, the
7647         relative path to F from $(srcdir).
7648         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
7649         get_file_realbasename.  Adjust the head comment.
7650         (get_prefix_langdir_index): New function. For F a filename, return the
7651         lang_dir_names[] relative index of the language directory that is
7652         a prefix in F.
7653         (get_file_langdir): For F a filename, return the name of the language
7654         directory where F is located.
7655         (get_file_gtfilename): New function. The gt- output file name for an
7656         input filename F.
7657         (get_output_file_with_visibility): Replace in-line computations with
7658         uses of get_file_gtfilename and get_prefix_langdir_index.
7659         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
7660
7661 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
7662
7663         PR tree-optimization/36504
7664         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
7665         references without base address.
7666
7667 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7668
7669         PR middle-end/36584
7670         * calls.c (expand_call): Increase alignment for recursive functions.
7671
7672 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
7673
7674         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
7675         (TARGET_FUNCTION_VALUE): New define.
7676         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
7677         * config/avr/avr.h (FUNCTION_VALUE): Remove.
7678
7679 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7680
7681         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
7682         (fmod<mode>3): Ditto.
7683         (remainderxf3): Ditto.
7684         (remainder<mode>3): Ditto.
7685
7686 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
7687
7688         PR target/36533
7689         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
7690         REG is a hard register.
7691
7692         PR tree-optimization/36508
7693         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
7694         499, don't check it at all in release compilers.
7695
7696 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7697
7698         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
7699         together with SSE_TARGET_MATH to disable insn pattern.
7700         (*fop_<MODEF:mode>_2_i387): Ditto.
7701         (*fop_<MODEF:mode>_3_i387): Ditto.
7702
7703 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
7704
7705         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
7706
7707 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7708
7709         PR middle-end/34906
7710         * gimplify.c (gimplify_asm_expr): Check the return code of
7711         parse_output_constraint call, set function return and is_inout
7712         value if it failed.
7713
7714 2008-06-22  Ian Lance Taylor  <iant@google.com>
7715
7716         * c-lex.c (narrowest_unsigned_type): Change itk to int.
7717         (narrowest_signed_type): Likewise.
7718         * c-typeck.c (c_common_type): Change local variable mclass to enum
7719         mode_class, twice.
7720         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
7721         tcc_comparison, not the tree code itself.
7722         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
7723         (c_expand_expr): Cast modifier to enum expand_modifier.
7724         * c-common.h (C_RID_CODE): Add casts.
7725         (C_SET_RID_CODE): Define.
7726         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
7727         (c_lex_one_token): Add cast to avoid warning.
7728         (c_parser_objc_type_name): Rename local typename to type_name.
7729         (check_no_duplicate_clause): Change code parameter to enum
7730         omp_clause_code.
7731         (c_parser_omp_var_list_parens): Change kind parameter to enum
7732         omp_clause_code.
7733         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
7734         c_parser_omp_list_var_parens.
7735         (c_parser_omp_threadprivate): Likewise.
7736         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
7737         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
7738         * c-format.c (NO_FMT): Define.
7739         (printf_length_specs): Use NO_FMT.
7740         (asm_fprintf_length_specs): Likewise.
7741         (gcc_diag_length_specs): Likewise.
7742         (scanf_length_specs): Likewise.
7743         (strfmon_length_specs): Likewise.
7744         (gcc_gfc_length_specs): Likewise.
7745         (printf_flag_specs): Change 0 to STD_C89.
7746         (asm_fprintf_flag_specs): Likewise.
7747         (gcc_diag_flag_specs): Likewise.
7748         (gcc_cxxdiag_flag_specs): Likewise.
7749         (scanf_flag_specs): Likewise.
7750         (strftime_flag_specs): Likewise.
7751         (strfmon_flag_specs): Likewise.
7752         (print_char_table): Likewise.
7753         (asm_fprintf_char_table): Likewise.
7754         (gcc_diag_char_table): Likewise.
7755         (gcc_tdiag_char_table): Likewise.
7756         (gcc_cdiag_char_table): Likewise.
7757         (gcc_cxxdiag_char_table): Likewise.
7758         (gcc_gfc_char_table): Likewise.
7759         (scan_char_table): Likewise.
7760         (time_char_table): Likewis.
7761         (monetary_char_table): Likewise.
7762         * c-format.h (BADLEN): Likewise.
7763
7764 2008-06-21  Ian Lance Taylor  <iant@google.com>
7765
7766         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
7767         Define END_OF_BASE_TREE_CODES around inclusion.
7768         * tree.c (tree_code_type): New global array.
7769         (tree_code_length, tree_code_name): Likewise.
7770         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
7771         $(lang_tree_files).
7772         (all-tree.def, s-alltree): New targets.
7773         (gencheck.h, s-gencheck): Remove.
7774         (tree.o): Depend upon all-tree.def.
7775         (build/gencheck.o): Remove gencheck.h dependency.
7776         (mostlyclean): Don't remove gencheck.h.
7777         * c-common.h (enum c_tree_code): Remove.
7778         * c-lang.c (tree_code_type): Remove.
7779         (tree_code_length, tree_code_name): Remove.
7780         * gencheck.c (tree_codes): Include all-tree.def, rather than
7781         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
7782         after it is used.
7783         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
7784         than tree.def.
7785         * cp/cp-tree.h (enum cplus_tree_code): Remove.
7786         (operator_name_info): Size to MAX_TREE_CODES.
7787         (assignment_operator_name_info): Likewise.
7788         * cp/cp-lang.c (tree_code_type): Remove.
7789         (tree_code_length, tree_code_name): Remove.
7790         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
7791         (assignment_operator_name_info): Likewise.
7792         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
7793         MAX_TREE_CODES.
7794         * cp/mangle.c (write_expression): Likewise.
7795         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
7796         * fortran/f95-lang.c (tree_code_type): Remove.
7797         (tree_code_length, tree_code_name): Remove.
7798         * java/java-tree.h (enum java_tree_code): Remove.
7799         * java/lang.c (tree_code_type): Remove.
7800         (tree_code_length, tree_code_name): Remove.
7801         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
7802         * objc/objc-act.h (enum objc_tree_code): Remove.
7803         * objc/objc-lang.c (tree_code_type): Remove.
7804         (tree_code_length, tree_code_name): Remove.
7805         * objcp/objcp-lang.c (tree_code_type): Remove.
7806         (tree_code_length, tree_code_name): Remove.
7807         * ada/ada-tree.h (enum gnat_tree_code): Remove.
7808         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
7809         * ada/misc.c (tree_code_type): Remove.
7810         (tree_code_length, tree_code_name): Remove.
7811
7812 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
7813
7814         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
7815         the grand_bitmap_obstack.
7816
7817 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7818
7819         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
7820         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
7821         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
7822         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
7823         move_stmt_r, new_label_mapper): Likewise.
7824         * tree-complex.c (cvc_lookup): Likewise.
7825         * tree-dfa.c (create_function_ann): Likewise.
7826         * tree-dump.c (dump_register): Likewise.
7827         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
7828         find_phi_replacement_condition): Likewise.
7829         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
7830         tree_function_versioning): Likewise.
7831         * tree-into-ssa.c (cmp_dfsnum): Likewise.
7832         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
7833         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
7834         get_nonlocal_debug_decl, convert_nonlocal_reference,
7835         convert_nonlocal_omp_clauses, get_local_debug_decl,
7836         convert_local_reference, convert_local_omp_clauses,
7837         convert_nl_goto_reference, convert_nl_goto_receiver,
7838         convert_tramp_reference, convert_call_expr): Likewise.
7839         * tree-outof-ssa.c (contains_tree_r): Likewise.
7840         * tree-parloops.c (reduction_phi, initialize_reductions,
7841         eliminate_local_variables_1, add_field_for_reduction,
7842         add_field_for_name, create_phi_for_local_result,
7843         create_call_for_reduction_1, create_loads_for_reductions,
7844         create_stores_for_reduction, create_loads_and_stores_for_name):
7845         Likewise.
7846         * tree-phinodes.c (allocate_phi_node): Likewise.
7847         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
7848         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
7849         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
7850         * tree-ssa-coalesce.c (compare_pairs): Likewise.
7851         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
7852         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
7853         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
7854         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
7855         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
7856         vn_nary_op_insert): Likewise.
7857         * tree-ssa.c (redirect_edge_var_map_add,
7858         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
7859         * tree-vectorizer.c (vectorize_loops): Likewise.
7860         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
7861         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
7862         tree_cons_stat, build1_stat, build_variant_type_copy,
7863         decl_init_priority_lookup, decl_fini_priority_lookup,
7864         decl_priority_info, decl_restrict_base_lookup,
7865         decl_restrict_base_insert, decl_debug_expr_lookup,
7866         decl_debug_expr_insert, decl_value_expr_lookup,
7867         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
7868         type_hash_add, get_file_function_name, tree_check_failed,
7869         tree_not_check_failed, tree_range_check_failed,
7870         omp_clause_range_check_failed, build_omp_clause,
7871         build_vl_exp_stat): Likewise.
7872         * value-prof.c (gimple_histogram_value,
7873         gimple_duplicate_stmt_histograms): Likewise.
7874         * var-tracking.c (attrs_list_insert, attrs_list_copy,
7875         unshare_variable, variable_union_info_cmp_pos, variable_union,
7876         dataflow_set_different_1, dataflow_set_different_2,
7877         vt_find_locations, variable_was_changed, set_variable_part,
7878         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
7879         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
7880         section_entry_hash, object_block_entry_eq,
7881         object_block_entry_hash, create_block_symbol,
7882         initialize_cold_section_name, default_function_rodata_section,
7883         strip_reg_name, set_user_assembler_name, const_desc_eq,
7884         build_constant_desc, output_constant_def, lookup_constant_def,
7885         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
7886         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
7887         default_internal_label): Likewise.
7888         * varray.c (varray_init, varray_grow): Likewise.
7889         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
7890
7891 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
7892
7893         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
7894         operators for "test" insn.  Macroize insn using SWI mode macro.
7895         (*jcc_fused_2): Ditto.
7896         (*jcc_fused_3): Macroize insn using SWI mode macro.
7897         (*jcc_fused_4): Ditto.
7898
7899 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
7900
7901         * tree-ssa-pre.c: Fix typo in comment.
7902         (init_antic, fini_antic): Add explicit funtions for
7903         initializing and deinitializing ANTIC and AVAIL sets.
7904         (create_expression_by_pieces): Fix typo in comment.
7905         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
7906         (execute_pre): Eventually dump details about ANTIC_IN.
7907
7908 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7909
7910         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
7911         * gcc.c (translate_options, init_spec, store_arg, read_specs,
7912         add_to_obstack, file_at_path, find_a_file, execute,
7913         add_preprocessor_option, add_assembler_option, add_linker_option,
7914         process_command, insert_wrapper, do_option_spec, do_self_spec,
7915         spec_path, do_spec_1, is_directory, main, used_arg,
7916         getenv_spec_function): Likewise.
7917         * tlink.c (symbol_hash_lookup, file_hash_lookup,
7918         demangled_hash_lookup, symbol_push, file_push, frob_extension):
7919         Likewise.
7920
7921 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
7922
7923         * doc/rtl.texi: Updated subreg section.
7924
7925 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
7926
7927         PR c++/36523
7928         * cgraphunit.c (cgraph_process_new_functions): Don't clear
7929         node->needed and node->reachable.
7930         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
7931         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
7932         (expand_task_call): Don't call expand_task_copyfn.
7933         (expand_task_copyfn): Renamed to...
7934         (finalize_task_copyfn): ... this.
7935
7936 2008-06-19  Jan Hubicka  <jh@suse.cz>
7937
7938         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
7939         clobbering framepointer.
7940
7941 2008-06-19  Jan Hubicka  <jh@suse.cz>
7942
7943         * tree-optimize.c (execute_early_local_optimizations): Set
7944         cgraph_state only at first invocation.
7945
7946 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7947
7948         * system.h (-Wc++-compat): Activate as a warning, no an error.
7949
7950 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
7951
7952         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
7953         instead of "#" in insn asm template.
7954         (*jcc_fused_2): Ditto.
7955
7956 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
7957
7958         * config/i386/i386.h (ix86_tune_indices)
7959         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
7960         (TARGET_FUSE_CMP_AND_BRANCH): New define.
7961         * config/i386/i386.md (*jcc_fused_1): New insn pattern
7962         (*jcc_fused_2): Ditto.
7963         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
7964         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
7965         (print operand): Handle 'E' and 'e' code.
7966
7967 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
7968
7969         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
7970         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7971         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7972
7973 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
7974
7975         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
7976         node->decl.
7977         (cgraph_expand_function): Use local copy of decl.
7978         (cgraph_expand_all_functions): Remove redundant initialization of
7979         order_pos.
7980         (cgraph_optimize): Reword internal_error message.
7981
7982 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
7983
7984         * arm-protos.h (arm_return_in_memory): Remove public
7985         arm_return_in_memory() prototype.
7986         * arm.c (arm_return_in_memory): Add static prototype, add target
7987         hook macro, change definition and comments.
7988         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
7989
7990 2008-06-19  Ben Elliston  <bje@au.ibm.com>
7991
7992         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
7993         real.c: Remove references to IEEE 754R.
7994         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
7995         * doc/libgcc.texi (Decimal float library routines): Likewise.
7996
7997 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7998
7999         * targhooks.h (struct gcc_target): New member unwind_word_mode.
8000         (default_unwind_word_mode): Add prototype.
8001         * targhooks.c (default_unwind_word_mode): New function.
8002         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
8003         instead of word_mode.
8004         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
8005         (TARGET_INITIALIZER): Use it.
8006
8007         * c-common.c (handle_mode_attribute): Support "unwind_word"
8008         mode attribute.
8009         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
8010
8011         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
8012         word_mode to access SjLj_Function_Context member "data".
8013         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
8014         conversion from targetm.eh_return_filter_mode () to
8015         targetm.unwind_word_mode () if they differ.
8016
8017         * builtin-types.def (BT_UNWINDWORD): New primitive type.
8018         (BT_FN_UNWINDWORD_PTR): New function type.
8019         (BT_FN_WORD_PTR): Remove.
8020         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
8021         * except.c (expand_builtin_extend_pointer): Convert pointer to
8022         targetm.unwind_word_mode () instead of word_mode.
8023
8024         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
8025         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
8026         (spu_unwind_word_mode): New function.
8027         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
8028         (TARGET_UNWIND_WORD_MODE): Define.
8029         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
8030
8031 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8032
8033         * config/spu/spu.c (reg_align): Remove.
8034         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
8035         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
8036         (spu_split_store): Likewise.
8037
8038 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
8039
8040         * gcc/tree-vn.c: Fix typo in comment.
8041
8042 2008-06-18  Jan Hubicka  <jh@suse.cz>
8043
8044         * cgraphunit.c (cgraph_optimize): Output debug info when doing
8045         toplevel reorder too.
8046
8047 2008-06-18  Jan Hubicka  <jh@suse.cz>
8048
8049         * c-opts.c (c_common_post_options): PCH is not compatible with
8050         no-unit-at-a-time.
8051         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
8052         -fno-toplevel-reorder by default now.
8053
8054 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8055
8056         PR documentation/30739
8057         * doc/install.texi (Prerequisites): Document dependency on awk.
8058
8059 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
8060             Ian Lance Taylor  <iant@google.com>
8061
8062         PR rtl-optimization/35604
8063         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
8064         only want to change jump destinations, not eventual label comparisons.
8065
8066 2008-06-16  Jan Hubicka  <jh@suse.cz>
8067
8068         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
8069         syntax errors.
8070         (cgraph_analyze_function): Likewise.
8071
8072 2008-06-16  Jan Hubicka  <jh@suse.cz>
8073
8074         * cgraph.h (cgraph_mark_if_needed): New function.
8075         * cgraphunit.c (cgraph_mark_if_needed): New function.
8076         * c-decl.c (duplicate_decl): Use it.
8077
8078 2008-06-16  Jan Hubicka  <jh@suse.cz>
8079
8080         * cgraph.c (cgraph_add_new_function): When in expansion state, do
8081         lowering.
8082
8083 2008-06-16  Jan Hubicka  <jh@suse.cz>
8084
8085         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
8086
8087 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
8088             Kazu Hirata  <kazu@codesourcery.com>
8089             Maxim Kuvyrkov  <maxim@codesourcery.com
8090
8091         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
8092         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
8093         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
8094         EXTRA_SPEC_FUNCTIONS.
8095         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
8096         (DRIVER_SELF_SPECS): Adjust.
8097         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
8098         * config/mips/st.h, config/mips/t-st: New.
8099         * config/mips/driver-native.c, config/mips/x-native: New.
8100         * doc/invoke.texi (MIPS): Document 'native' value for -march and
8101         -mtune options.
8102
8103 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
8104
8105         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
8106         from it.
8107         (ISA_HAS_FP_CONDMOVE): New macro.
8108         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
8109         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
8110         (ISA_HAS_NMADD3_NMSUB3): New macro.
8111         * config/mips/mips.c (mips_rtx_costs): Update.
8112         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
8113         compiling for ST Loongson 2E/2F.
8114         (madd<mode>): Rename to madd4<mode>.  Update.
8115         (madd3<mode>): New pattern.
8116         (msub<mode>): Rename to msub4<mode>.  Update.
8117         (msub3<mode>): New pattern.
8118         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
8119         (nmadd3<mode>): New pattern.
8120         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
8121         (nmadd3<mode>_fastmath): New pattern.
8122         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
8123         (nmsub3<mode>): New pattern.
8124         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
8125         (nmsub3<mode>_fastmath): New pattern.
8126         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
8127
8128 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
8129
8130         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
8131         (DF_REF_INSN_INFO): New.
8132         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
8133         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
8134         with a NULL DF_REF_INSN_INFO.
8135         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
8136         DF_INSN_SET.
8137         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
8138         DF_INSN_INFO_EQ_USES): New.
8139         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
8140         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
8141         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
8142         * df-core.c: Update comment for above changes.
8143         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
8144         DF_INSN_UID_* macros.
8145         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
8146         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
8147         insn rtx.  Update all callers.
8148         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
8149         df_ref_create_structure, df_insn_refs_collect): Likewise.
8150         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
8151         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
8152         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
8153         macros to access the insn refs.
8154         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
8155         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
8156         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
8157         for accessing the refs.
8158         (try_fwprop_subst): Likewise.
8159         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
8160         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
8161         for accessing the refs.
8162         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
8163         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
8164         to look at the insn refs.
8165         (record_uses): Likewise.
8166         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
8167         function anymore.
8168         (mark_artificial_uses): Don't mark_insn for artificial refs.
8169         (mark_reg_rependencies): Likewise.
8170
8171         * doc/rtl.texi: Remove documentation of ADDRESSOF.
8172
8173 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8174
8175         * configure: Regenerate.
8176
8177 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8178
8179         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
8180         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8181         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8182
8183 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8184
8185         * config/avr/avr.c (avr_mcu_t): Add attiny167.
8186         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8187         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8188
8189 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8190
8191         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
8192         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8193         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8194
8195 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8196
8197         * tree-ssa-sccvn.c: Fix format of comments.
8198
8199 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8200
8201         * cgraph.c: Remove unneeded forward declarations of eq_node()
8202         and hash_node().
8203
8204 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
8205
8206         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
8207         REG_RETVAL notes.
8208         (see_update_relevancy): Likewise.
8209         * fwprop.c (try_fwprop_subst): Likewise.
8210         * rtlanal.c (noop_move_p): Likewise.
8211         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
8212         notes to non-existing libcall blocks.
8213         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
8214         Remove orig_set.
8215         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
8216         (dead_libcall_p): Remove.
8217         (delete_trivially_dead_insns): Don't use it.
8218         * web.c (union_defs): Remove comment about keeping nops.
8219         * gcse.c (hash_scan_insn): Don't take libcall pointers.
8220         (compute_hash_table_work): Don't track libcall notes.
8221         (do_local_cprop): Don't take libcall pointers.  Don't update
8222         libcall notes.
8223         (adjust_libcall_notes): Deleted.
8224         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
8225         ever have existed in the first place).
8226         (replace_store_insn): Don't try to remove libcall notes.
8227         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
8228         (resolve_reg_notes): Don't call them.
8229         (resolve_simple_move): Likewise.
8230         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
8231         Don't remove REG_RETVAL notes.
8232         * emit-rtl.c (try_split): Don't update libcall notes.
8233         (emit_copy_of_insn_after): Dito.
8234         * cselib.c (cselib_current_insn_in_libcall): Remove.
8235         (cselib_process_insn): Don't set/clear it.
8236         (new_elt_loc_list): Don't record it.
8237         (cselib_init): Don't initialize it.
8238         * cselib.c (struct elt_loc_list): Remove in_libcall field.
8239         * loop-invariant.c (find_invariant_insn): Don't look for libcall
8240         notes.
8241         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
8242         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
8243         (init_deps): Don't initialize it.
8244         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
8245         * combine.c (delete_noop_moves): Don't update libcall notes.
8246         (can_combine_p): Remove now pointless #if 0 block.
8247         (try_combine): Remove another obsolete #if 0 block.
8248         (distribute_notes): Don't distribute libcall notes.
8249         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
8250         * dce.c (libcall_dead_p): Remove.
8251         (delete_unmarked_insns): Don't handle libcall blocks.
8252         (preserve_libcall_for_dce): Remove.
8253         (prescan_insns_for_dce): Don't special-case libcall block insns.
8254         * reload1 (reload): Don't handle libcall notes.
8255         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
8256         documentation.
8257
8258 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8259
8260         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
8261         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8262         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8263
8264 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8265
8266         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
8267         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8268         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8269
8270 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8271
8272         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
8273
8274 2008-06-16  Ira Rosen  <irar@il.ibm.com>
8275
8276         PR tree-optimization/36493
8277         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
8278         the arguments list. Use VECTYPE to create vector pointer.
8279         (vectorizable_store): Fail if accesses through a pointer to vectype
8280         do not alias the original memory reference operands.
8281         Call vect_create_data_ref_ptr without the removed argument.
8282         (vectorizable_load): Likewise.
8283         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
8284         removed argument.
8285
8286 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
8287
8288         PR target/36336
8289         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
8290         reg_equiv_constant.
8291
8292 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
8293
8294         * config/mips/loongson2ef.md: New file.
8295         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
8296         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
8297         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
8298         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
8299         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
8300         and loongson_2f.
8301         (loongson2ef.md): New include.
8302         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
8303         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
8304         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
8305         (loongson_gt_<mode>, loongson_extract_halfword)
8306         (loongson_insert_halfword_0, loongson_insert_halfword_2)
8307         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
8308         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
8309         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
8310         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
8311         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
8312         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
8313         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
8314         (vec_interleave_low<mode>): Define type attribute.
8315         * config/mips/mips.c (mips_ls2): New static variable.
8316         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
8317         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
8318         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
8319         Implement target scheduling hooks.
8320         (mips_multipass_dfa_lookahead): Update to handle tuning for
8321         Loongson 2E/2F.
8322         (mips_sched_init): Initialize data for Loongson scheduling.
8323         (mips_ls2_variable_issue): New static function.
8324         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
8325         Add sanity check.
8326         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
8327         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
8328         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
8329         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
8330         Handle ST Loongson 2E/2F cores.
8331         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
8332
8333 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8334
8335         * omp-low.c (extract_omp_for_data): Fix comment typo.
8336         * c.opt: Fix typo.
8337
8338 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8339
8340         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
8341         FIXME note about gcc/config.guess.
8342         * doc/options.texi (Option file format): Remove non-ASCII bytes.
8343         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
8344         * doc/cppopts.texi: Likewise.
8345         * doc/extend.texi: Likewise.
8346         * doc/gcc.texi: Likewise.
8347         * doc/gccint.texi: Likewise.
8348         * doc/gcov.texi: Likewise.
8349         * doc/gty.texi: Likewise.
8350         * doc/hostconfig.texi: Likewise.
8351         * doc/install.texi: Likewise.
8352         * doc/invoke.texi: Likewise.
8353         * doc/loop.texi: Likewise.
8354         * doc/makefile.texi: Likewise.
8355         * doc/md.texi: Likewise.
8356         * doc/passes.texi: Likewise.
8357         * doc/tm.texi: Likewise.
8358         * doc/tree-ssa.texi: Likewise.
8359         * doc/trouble.texi: Likewise.
8360
8361 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
8362             Nathan Sidwell  <nathan@codesourcery.com>
8363             Maxim Kuvyrkov  <maxim@codesourcery.com>
8364             Richard Sandiford  <rdsandiford@googlemail.com>
8365
8366         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
8367         * config/mips/mips-protos.h (mips_expand_vector_init): New.
8368         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
8369         builtins.
8370         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
8371         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
8372         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
8373         V8QImode cases.
8374         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
8375         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
8376         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
8377         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
8378         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
8379         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
8380         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
8381         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
8382         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
8383         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
8384         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
8385         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
8386         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
8387         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
8388         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
8389         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
8390         (mips_builtins): Add Loongson builtins.
8391         (mips_loongson_2ef_bdesc): New.
8392         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
8393         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
8394         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
8395         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
8396         New.
8397         (mips_expand_vector_init): New.
8398         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
8399         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
8400         if appropriate.
8401         * config/mips/mips.md: Add unspec numbers for Loongson
8402         builtins.  Include loongson.md.
8403         (MOVE64): Include Loongson vector modes.
8404         (SPLITF): Include Loongson vector modes.
8405         (HALFMODE): Handle Loongson vector modes.
8406         * config/mips/loongson.md: New.
8407         * config/mips/loongson.h: New.
8408         * config.gcc: Add loongson.h header for mips*-*-* targets.
8409         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
8410
8411 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
8412
8413         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
8414         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
8415         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
8416         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
8417         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
8418         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
8419         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
8420         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
8421         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
8422         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
8423         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
8424         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
8425         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
8426         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
8427         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
8428         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
8429         Remove use_fixproto=yes.
8430         (ia64*-*-hpux*): Remove comment about using fixproto.
8431         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
8432
8433 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8434
8435         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
8436         library rebuilds.
8437         * configure: Regenerate.
8438
8439 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
8440
8441         PR middle-end/36520
8442         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
8443         before evaluating it.
8444
8445 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
8446
8447         PR c/36507
8448         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
8449         nested inline functions.
8450         (start_decl, start_function): Don't invert DECL_EXTERNAL
8451         for nested inline functions.
8452
8453 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8454
8455         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
8456         splits that must be made for correctness.
8457
8458 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8459
8460         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
8461         (AVAIL_NON_MIPS16): Likewise.
8462         (mips_builtin_description): Replace target_flags with a predicate.
8463         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
8464         (dspr2_32): New availability predicates.
8465         (MIPS_BUILTIN): New macro.
8466         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
8467         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
8468         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
8469         Replace the TARGET_FLAGS parameters with AVAIL parameters.
8470         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
8471         (mips_dsp_32only_bdesc): Merge into...
8472         (mips_builtins): ...this new array.
8473         (mips_bdesc_map, mips_bdesc_arrays): Delete.
8474         (mips_init_builtins): Update after above changes.
8475         (mips_expand_builtin_1): Merge into...
8476         (mips_expand_builtin): ...here and update after above changes.
8477
8478 2008-06-12  Paul Brook  <paul@codesourcery.com>
8479
8480         * longlong.h (__arm__): Define count_leading_zeros.
8481         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
8482         (clzsi2, clzdi2): New functions.
8483         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
8484         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
8485         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
8486         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
8487         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
8488         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
8489         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
8490         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
8491         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
8492         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
8493
8494 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
8495
8496         * config/m68k/m68k.c (m68k_tune_flags): New.
8497         (override_options): Compute m68k_tune_flags.
8498         (MULL_COST, MULW_COST): Update for various variants of CFV2.
8499         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
8500
8501 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8502
8503         PR middle-end/36506
8504         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
8505
8506 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8507
8508         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
8509         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
8510
8511 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8512
8513         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
8514         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
8515
8516 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8517
8518         PR middle-end/36506
8519         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
8520         reductions.
8521
8522 2008-06-12  Richard Guenther  <rguenther@suse.de>
8523
8524         PR tree-optimization/36345
8525         * tree-flow.h (struct ptr_info_def): Align escape_mask,
8526         add memory_tag_needed flag.
8527         (may_alias_p): Declare.
8528         * tree-ssa-alias.c (may_alias_p): Export.
8529         (set_initial_properties): Use memory_tag_needed flag.
8530         (update_reference_counts): Likewise.
8531         (reset_alias_info): Reset memory_tag_needed flag.
8532         (create_name_tags): Check memory_tag_needed flag.
8533         (dump_points_to_info_for): Dump it.
8534         * tree-ssa-structalias.c (struct variable_info): Remove
8535         directly_dereferenced flag.
8536         (new_var_info): Do not initialize it.
8537         (process_constraint_1): Do not set it.
8538         (update_alias_info): Set is_dereferenced flag.
8539         (set_uids_in_ptset): Use may_alias_p.
8540         (set_used_smts): Check memory_tag_needed flag.
8541         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
8542         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
8543         memory_tag_needed flag.
8544         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
8545         from broken design.
8546
8547 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
8548
8549         * config/i386/i386.c (ix86_compute_frame_layout): Disable
8550         red zone for w64 abi.
8551         (ix86_expand_prologue): Likewise.
8552         (ix86_force_to_memory): Likewise.
8553         (ix86_free_from_memory): Likewise.
8554
8555 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
8556
8557         PR target/36425
8558         * config/rs6000/rs6000.c (rs6000_override_options): Set
8559         rs6000_isel conditionally to the absence of comand line override.
8560         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8561         Remove duplicate rs6000_isel setting.
8562         * config/rs6000/eabispe.h: Ditto.
8563
8564 2008-06-11  Richard Guenther  <rguenther@suse.de>
8565
8566         * alias.c (get_alias_set): Use the element alias-set for arrays.
8567         (record_component_aliases): For arrays and vectors do nothing.
8568         * c-common.c (strict_aliasing_warning): Handle the cases
8569         of alias set zero explicitly.
8570         * Makefile.in (dfp.o-warn): Add -Wno-error.
8571
8572 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8573
8574         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
8575         tune_32 tune_64.
8576         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
8577         tune_32 tune_64 to supported_defaults.  Allow values not
8578         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
8579         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
8580         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
8581         with_cpu_64 to generic for 64-bit-supporting configurations, not
8582         with_cpu.  Remove FIXMEs.
8583         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
8584         --with-arch-64, --with-tune-32, --with-tune-64): Document.
8585         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
8586         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
8587         arch_32 and arch_64.
8588
8589 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
8590             Olivier Hainque  <hainque@adacore.com>
8591
8592         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
8593         Use DECL_SIZE_UNIT to retrieve the size of the field.
8594
8595 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8596
8597         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
8598         with function calls after declarations.  Lay out
8599         neon_float_type_node before further use.
8600
8601 2008-06-11  Richard Guenther  <rguenther@suse.de>
8602
8603         * tree-flow.h (may_point_to_global_var): Declare.
8604         * tree-ssa-alias.c (may_point_to_global_var): New function.
8605         * tree-ssa-sink.c (is_hidden_global_store): Use it.
8606
8607 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
8608
8609         * configure.ac: Teach that fido supports .debug_line.
8610         * configure: Regenerate.
8611
8612 2008-06-10  Tom Tromey  <tromey@redhat.com>
8613
8614         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
8615         debug hook.
8616
8617 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8618
8619         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
8620         (encode_decimal64, decode_decimal64, encode_decimal128,
8621         decode_decimal128): Reverse order of 32-bit parts of value if host
8622         and target endianness differ.
8623
8624 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
8625
8626         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
8627         Avoid division by 0.
8628         (tree_mod_pow2_value_transform): Likewise.
8629         (tree_ic_transform): Likewise.
8630         (tree_stringops_transform): Likewise.
8631         (tree_mod_subtract_transform): Likewise.
8632         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
8633         (copy_edges_for_bb): Likewise.
8634         (initialize_cfun): Likewise.
8635
8636 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8637
8638         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
8639         nonmemory_operand. Add "N" operand constraint.
8640         (*btsi): Ditto.
8641         (*jcc_btdi_mask_rex64): New instruction and split pattern.
8642         (*jcc_btsi_mask): Ditto.
8643         (*jcc_btsi_mask_1): Ditto.
8644
8645 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8646
8647         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
8648         TYPE_CANONICAL for copied element type.
8649
8650 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8651
8652         PR target/36473
8653         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
8654         Add m_CORE2 and m_GENERIC.
8655         * config/i386/predicates.md (bt_comparison_operator): New predicate.
8656         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
8657         (*btsi): Ditto.
8658         (*jcc_btdi_rex64): New instruction and split pattern.
8659         (*jcc_btsi): Ditto.
8660         (*jcc_btsi_1): Ditto.
8661         (*btsq): Fix Intel asm dialect operand order.
8662         (*btrq): Ditto.
8663         (*btcq): Ditto.
8664
8665 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
8666
8667         PR middle-end/36447
8668         * simplify-rtx.c (simplify_subreg): Add check for shift count
8669         greater than size.
8670
8671 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
8672
8673         * doc/md.texi: Synchronize with later constraints.md change.
8674         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
8675         with a C implementation.
8676         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
8677         MFLO handling.
8678         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
8679         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
8680         when moving to and from MD_REGNUM.
8681         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
8682         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
8683         Handle byte and halfword moves.
8684         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
8685         separately.
8686         * config/mips/constraints.md (h): Turn into NO_REGS.
8687         (l, x): Update documentation.
8688         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
8689         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
8690         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
8691         (HILO): New mode iterator.
8692         (MOVE128): Add TI.
8693         (any_div): New code iterator.
8694         (u): Extend code attribute to div and udiv.
8695         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
8696         d_operand in the splitters.  Remove redundant CONST_INT checks.
8697         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
8698         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
8699         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
8700         accordingly, using normal moves instead of unspecs to move LO into
8701         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
8702         (<u>mulsidi3): Handle expansion in C code.
8703         (<u>mulsidi3_32bit_internal): Rename to...
8704         (<u>mulsidi3_32bit): ...this.
8705         (<u>mulsidi3_32bit_r4000): Fix insn separator.
8706         (*<u>mulsidi3_64bit): Rename to...
8707         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
8708         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
8709         to set LO and HI to the multiplication result.  Use a normal move
8710         for MFLO and an unspec for MFHI.
8711         (*<u>mulsidi3_64bit_parts): Replace with...
8712         (<u>mulsidi3_64bit_hilo): ...this new instruction.
8713         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
8714         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
8715         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
8716         instead of HI.  Split the instruction into a separate multiplication
8717         and MFHI if !TARGET_FIX_R4000.
8718         (<su>muldi3_highpart): Likewise.
8719         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
8720         and the "=h" clobber.
8721         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
8722         (<u>mulditi3): New expander.
8723         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
8724         (madsi): Remove "=h" clobber.
8725         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
8726         Force the modulus result to be a GPR and split the instruction into
8727         a division followed by an MFHI after reload.
8728         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
8729         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
8730         the MIPS16 HIGH define_split.
8731         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
8732         of acc<->gpr moves to "multi".
8733         (*movdi_64bit): Replace the single "x" alternative with
8734         alternatives for moving into and out of "a".
8735         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
8736         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
8737         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
8738         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
8739         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
8740         (movti): New expander.
8741         (*movti, *movti_mips16): New insns.
8742         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
8743         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
8744         (mthi<GPR:mode>_<HILO:mode>): Likewise.
8745         * config/mips/predicates.md (fpr_operand): Delete.
8746         (d_operand): New predicate.
8747
8748 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
8749
8750         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
8751         failure on some Bourne shells.
8752         (x86_64-*-*): Ditto.
8753
8754 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
8755
8756         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
8757
8758 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8759
8760         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
8761         (sparc-sun-solaris2*): Likewise.
8762
8763 2008-06-09  Arnaud Charlet  <charlet@adacore.com
8764
8765         * doc/install.texi: Update requirements to build the Ada compiler.
8766
8767 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8768
8769         * df-scan.c (struct df_scan_problem_data): Remove the
8770         mw_link_pool alloc pool.
8771         (df_scan_free_internal): Don't free it.
8772         (df_scan_alloc): Don't allocate it.
8773         * df.h (struct df_link): Update comment.
8774
8775 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
8776
8777         * except.h: Correct checks for when SJLJ exceptions must be used.
8778
8779 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8780
8781         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
8782         default.
8783
8784 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
8785
8786         PR tree-optimization/36218
8787         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
8788         configure for the build system.
8789         (BUILD_LDFLAGS): Define.
8790         * configure: Regenerate.
8791         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
8792
8793 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
8794
8795         PR target/36424
8796         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
8797         * config/avr/avr.c (avr_hard_regno_rename_ok): New function.
8798         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype.
8799
8800 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
8801
8802         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
8803
8804 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
8805
8806         * config.gcc (Obsolete configurations): Remove list of
8807         configurations.
8808         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
8809         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
8810         targets matched by those patterns.
8811         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
8812         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
8813         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
8814         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
8815         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8816         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
8817         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
8818         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
8819         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
8820         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
8821         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
8822         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
8823         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
8824         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
8825         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
8826         Make code for Solaris 7 and greater unconditional for Solaris.
8827         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
8828         Remove --with-* handling.
8829         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
8830         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
8831         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
8832         LINK_OS_WINDISS_SPEC): Remove.
8833         * config/rs6000/sysv4.opt (mwindiss): Remove.
8834         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
8835         * configure: Regenerate.
8836         * doc/cpp.texi: Don't mention BeOS.
8837         * doc/extend.texi (interrupt): Don't mention MS1.
8838         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
8839         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
8840         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
8841         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
8842         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
8843         Remove.
8844         * doc/invoke.texi (MT Options): Remove.
8845         (-mwindiss): Remove.
8846         (CRIS Options): Remove cris-axis-aout references.
8847         (HPPA Options): Don't mention hppa1.1-*-pro.
8848         * doc/md.texi: (MorphoTech family): Remove.
8849         * libgcc2.c: Don't handle UWIN.
8850         * config/alpha/t-unicosmk: Remove.
8851         * config/alpha/unicosmk.h: Remove.
8852         * config/arm/kaos-arm.h: Remove.
8853         * config/arm/kaos-strongarm.h: Remove.
8854         * config/arm/strongarm-coff.h: Remove.
8855         * config/arm/strongarm-elf.h: Remove.
8856         * config/arm/strongarm-pe.h: Remove.
8857         * config/arm/t-strongarm-pe: Remove.
8858         * config/arm/t-xscale-coff: Remove.
8859         * config/arm/t-xscale-elf: Remove.
8860         * config/arm/xscale-coff.h: Remove.
8861         * config/arm/xscale-elf.h: Remove.
8862         * config/chorus.h: Remove.
8863         * config/cris/aout.h: Remove.
8864         * config/cris/aout.opt: Remove.
8865         * config/cris/t-aout: Remove.
8866         * config/i386/beos-elf.h: Remove.
8867         * config/i386/kaos-i386.h: Remove.
8868         * config/i386/ptx4-i.h: Remove.
8869         * config/i386/sco5.h: Remove.
8870         * config/i386/sco5.opt: Remove.
8871         * config/i386/sysv4-cpp.h: Remove.
8872         * config/i386/sysv5.h: Remove.
8873         * config/i386/t-beos: Remove.
8874         * config/i386/t-sco5: Remove.
8875         * config/i386/t-uwin: Remove.
8876         * config/i386/uwin.asm: Remove.
8877         * config/i386/uwin.h: Remove.
8878         * config/kaos.h: Remove.
8879         * config/mips/windiss.h: Remove.
8880         * config/mt: Remove directory.
8881         * config/pa/pa-osf.h: Remove.
8882         * config/pa/pa-pro-end.h: Remove.
8883         * config/pa/t-pro: Remove.
8884         * config/ptx4.h: Remove.
8885         * config/rs6000/beos.h: Remove.
8886         * config/rs6000/kaos-ppc.h: Remove.
8887         * config/rs6000/t-beos: Remove.
8888         * config/rs6000/windiss.h: Remove.
8889         * config/sh/kaos-sh.h: Remove.
8890         * config/sol2-6.h: Remove.
8891         * config/sparc/sol26-sld.h: Remove.
8892         * config/sparc/sysv4-only.h: Remove.
8893         * config/vax/bsd.h: Remove.
8894         * config/vax/t-memfuncs: Remove.
8895         * config/vax/ultrix.h: Remove.
8896         * config/vax/vaxv.h: Remove.
8897         * config/windiss.h: Remove.
8898
8899 2008-06-06  Uros Bizjak <ubizjak@gmail.com>
8900
8901         PR rtl-optimization/36438
8902         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
8903         for vector shifts with constant scalar shift operands.
8904
8905 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
8906
8907         * doc/invoke.texi: Document -march=xlr.
8908         * config/mips/xlr.md: New file.
8909         * config/mips/mips.md: Include it.
8910         (cpu): Add "xlr".
8911         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
8912         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
8913         (mips_rtx_cost_data): Likewise.
8914
8915 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
8916
8917         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
8918         PRE_INC and PRE_DEC cases.
8919
8920 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
8921
8922         PR rtl-optimization/36419
8923         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
8924         the emitting jump insn.
8925
8926         PR target/36362
8927         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
8928         is not bool, boolify the whole *expr_p and convert to the desired type.
8929
8930 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
8931
8932         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
8933         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
8934         Add omp_private_outer_ref hook, add another argument to
8935         omp_clause_default_ctor hook.
8936         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
8937         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
8938         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
8939         hook_tree_tree_tree_tree_null.
8940         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
8941         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
8942         * hooks.c (hook_tree_tree_tree_tree_null): New function.
8943         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
8944         * tree.def (OMP_TASK): New tree code.
8945         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
8946         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
8947         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
8948         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
8949         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
8950         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
8951         OMP_CLAUSE_COLLAPSE_EXPR): Define.
8952         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
8953         (OMP_DIRECTIVE_P): Add OMP_TASK.
8954         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
8955         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
8956         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
8957         and OMP_CLAUSE_UNTIED entries.
8958         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
8959         num_ops to 2.
8960         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8961         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
8962         * tree-pretty-print.c (dump_omp_clause): Handle
8963         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
8964         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
8965         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
8966         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
8967         warning about unsigned iterators.  Change decl/init/cond/incr
8968         arguments to TREE_VECs, check arguments for all collapsed loops.
8969         (c_finish_omp_taskwait): New function.
8970         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
8971         ws_clauses.
8972         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
8973         default_function_array_conversion on init.  Add par_clauses argument.
8974         If decl is present in parallel's lastprivate clause, change it to
8975         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
8976         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
8977         collapse count in clauses.
8978         (c_parser_omp_for, c_parser_omp_parallel): Adjust
8979         c_parser_omp_for_loop callers.
8980         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
8981         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
8982         (c_parser_omp_clause_name): Handle collapse and untied clauses.
8983         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
8984         functions.
8985         (c_parser_omp_clause_schedule): Handle schedule(auto).
8986         Include correct location in the error message.
8987         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
8988         and PRAGMA_OMP_CLAUSE_UNTIED.
8989         (OMP_TASK_CLAUSE_MASK): Define.
8990         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
8991         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
8992         * tree-nested.c (convert_nonlocal_omp_clauses,
8993         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
8994         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
8995         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8996         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
8997         OMP_CLAUSE_DECL.
8998         (conver_nonlocal_reference, convert_local_reference,
8999         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
9000         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
9001         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
9002         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
9003         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
9004         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
9005         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
9006         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
9007         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
9008         OMP_CLAUSE_UNTIED.
9009         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
9010         * c-common.h (c_finish_omp_taskwait): New prototype.
9011         * gimple-low.c (lower_stmt): Handle OMP_TASK.
9012         * tree-parloops.c (create_parallel_loop): Create 1 entry
9013         vectors for OMP_FOR_{INIT,COND,INCR}.
9014         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
9015         (make_edges): Handle OMP_TASK.
9016         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
9017         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9018         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
9019         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
9020         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
9021         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
9022         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
9023         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
9024         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
9025         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
9026         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
9027         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
9028         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
9029         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
9030         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
9031         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
9032         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
9033         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
9034         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
9035         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
9036         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
9037         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
9038         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
9039         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
9040         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
9041         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
9042         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
9043         original iterator is present in lastprivate clause or if
9044         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
9045         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9046         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
9047         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
9048         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
9049         if it is set, lookup var in outer contexts too.  Handle
9050         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
9051         to be implicitly determined firstprivate for task regions.
9052         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
9053         if it is set, lookup var in outer contexts too.  Set
9054         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
9055         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
9056         OMP_CLAUSE_UNTIED.  Take region_type as last argument
9057         instead of in_parallel and in_combined_parallel.
9058         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9059         Adjust callers.
9060         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
9061         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
9062         (new_omp_context): Set default_kind to
9063         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
9064         (omp_region_type): New enum.
9065         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
9066         fields, add region_type.
9067         (new_omp_context): Take region_type as argument instead of is_parallel
9068         and is_combined_parallel.
9069         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
9070         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
9071         ctx->is_combined_parallel checks.
9072         (gimplify_omp_task): New function.
9073         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
9074         OMP_CLAUSE_UNTIED.
9075         * omp-low.c (extract_omp_for_data): Use schedule(static)
9076         for schedule(auto).  Handle pointer and unsigned iterators.
9077         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
9078         Add loops argument.  Extract data for collapsed OMP_FOR loops.
9079         (expand_parallel_call): Assert sched_kind isn't auto,
9080         map runtime schedule to index 3.
9081         (struct omp_for_data_loop): New type.
9082         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
9083         Add loop, loops, collapse and iter_type fields.
9084         (workshare_safe_to_combine_p): Disallow combined for if
9085         iter_type is unsigned long long.  Don't combine collapse > 1 loops
9086         unless all bounds and steps are constant.  Adjust extract_omp_for_data
9087         caller.
9088         (expand_omp_for_generic): Handle pointer, unsigned and long long
9089         iterators.  Handle collapsed OMP_FOR loops.  Adjust
9090         for struct omp_for_data changes.  If libgomp function doesn't return
9091         boolean_type_node, add comparison of the return value with 0.
9092         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
9093         pointer, unsigned and long long iterators.  Adjust for struct
9094         omp_for_data changes.
9095         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
9096         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
9097         unsigned long long.  Allocate loops array, pass it to
9098         extract_omp_for_data.  For collapse > 1 loops use always
9099         expand_omp_for_generic.
9100         (omp_context): Add sfield_map and srecord_type fields.
9101         (is_task_ctx, lookup_sfield): New functions.
9102         (use_pointer_for_field): Use is_task_ctx helper.  Change first
9103         argument's type from const_tree to tree.  Clarify comment.
9104         In OMP_TASK disallow copy-in/out sharing.
9105         (build_sender_ref): Call lookup_sfield instead of lookup_field.
9106         (install_var_field): Add mask argument.  Populate both record_type
9107         and srecord_type if needed.
9108         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
9109         in srecord_type.
9110         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
9111         and DECL_FIELD_OFFSET.
9112         (scan_sharing_clauses): Adjust install_var_field callers.  For
9113         firstprivate clauses on explicit tasks allocate the var by value in
9114         record_type unconditionally, rather than by reference.
9115         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
9116         Use is_taskreg_ctx instead of is_parallel_ctx.
9117         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
9118         (create_omp_child_function_name): Add task_copy argument, use
9119         *_omp_cpyfn* names if it is true.
9120         (create_omp_child_function): Add task_copy argument, if true create
9121         *_omp_cpyfn* helper function.
9122         (scan_omp_parallel): Adjust create_omp_child_function callers.
9123         Rename parallel_nesting_level to taskreg_nesting_level.
9124         (scan_omp_task): New function.
9125         (lower_rec_input_clauses): Don't run constructors for firstprivate
9126         explicit task vars which are initialized by *_omp_cpyfn*.
9127         Pass outer var ref to omp_clause_default_ctor hook if
9128         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
9129         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
9130         OMP_CLAUSE_REDUCTION_INIT.
9131         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
9132         avoid duplicate setting of fields.  Handle
9133         OMP_CLAUSE_PRIVATE_OUTER_REF.
9134         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
9135         copy-out if TREE_READONLY, only copy-in.
9136         (expand_task_copyfn): New function.
9137         (expand_task_call): New function.
9138         (struct omp_taskcopy_context): New type.
9139         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
9140         New functions.
9141         (lower_omp_parallel): Rename to...
9142         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
9143         Call create_task_copyfn if srecord_type is needed.  Adjust
9144         sender_decl type.
9145         (task_shared_vars): New variable.
9146         (check_omp_nesting_restrictions): Warn if work-sharing,
9147         barrier, master or ordered region is closely nested inside OMP_TASK.
9148         Add warnings for barrier if closely nested inside of work-sharing,
9149         ordered, or master region.
9150         (scan_omp_1): Call check_omp_nesting_restrictions even for
9151         GOMP_barrier calls.  Rename parallel_nesting_level to
9152         taskreg_nesting_level.  Handle OMP_TASK.
9153         (lower_lastprivate_clauses): Even if some lastprivate is found on a
9154         work-sharing construct, continue looking for them on parent parallel
9155         construct.
9156         (lower_omp_for_lastprivate): Add lastprivate clauses
9157         to the beginning of dlist rather than end.  Adjust for struct
9158         omp_for_data changes.
9159         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
9160         not after it.  Handle collapsed OMP_FOR loops, adjust for
9161         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
9162         (get_ws_args_for): Adjust extract_omp_for_data caller.
9163         (scan_omp_for): Handle collapsed OMP_FOR
9164         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9165         (lower_omp_single_simple): If libgomp function doesn't return
9166         boolean_type_node, add comparison of the return value with 0.
9167         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
9168         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
9169         (parallel_nesting_level): Rename to...
9170         (taskreg_nesting_level): ... this.
9171         (is_taskreg_ctx): New function.
9172         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
9173         of is_parallel_ctx.
9174         (execute_lower_omp): Rename parallel_nesting_level to
9175         taskreg_nesting_level.
9176         (expand_omp_parallel): Rename to...
9177         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
9178         Call omp_task_call for OMP_TASK regions.
9179         (expand_omp): Adjust caller, handle OMP_TASK.
9180         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
9181
9182         * bitmap.c (bitmap_default_obstack_depth): New variable.
9183         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
9184         if argument is NULL and bitmap_default_obstack is already initialized.
9185         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
9186         at the end.
9187         * matrix-reorg.c (matrix_reorg): Likewise.
9188
9189 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
9190
9191         * config/i386/i386.md (*indirect_jump): Macroize using P
9192         mode iterator.  Remove !TARGET_64BIT from insn constraints.
9193         (*tablejump_1): Ditto.
9194         (*indirect_jump_rex64): Remove insn pattern.
9195         (*tablejump_1_rex64): Ditto.
9196         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
9197         and eh_return_si insn patterns.
9198
9199 2008-06-06  Richard Guenther  <rguenther@suse.de>
9200
9201         * tree-ssa-structalias.c (merge_smts_into): Remove.
9202         (find_what_p_points_to): Do not bother to compute the
9203         points-to set for pt_anything pointers.
9204         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
9205         for pt_anything pointers is ok.
9206
9207 2008-06-06  Jan Hubicka  <jh@suse.cz>
9208
9209         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
9210
9211 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9212
9213         * cgraph.c: Fix typos in comments.
9214         (cgraph_availability_names): Fix string typo.
9215         * fold-const.c: Fix typos in comments.
9216         (fold_binary): Fix typo in warning.
9217         * genautomata.c: Fix typos in comments.
9218         (check_presence_pattern_sets): Fix typo in local variable.
9219         (output_description): Fix typo in output.
9220         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
9221         * hwint.h: Likewise.
9222         * matrix-reorg.c (check_allocation_function): Likewise.
9223         * omega.c (smooth_weird_equations): Likewise.
9224         * auto-inc-dec.c: Fix typos in comments.
9225         * bb-reorder.c: Likewise.
9226         * builtins.c: Likewise.
9227         * c-common.c: Likewise.
9228         * c-cppbuiltin.c: Likewise.
9229         * c-parser.c: Likewise.
9230         * c-pretty-print.c: Likewise.
9231         * cfgcleanup.c: Likewise.
9232         * cfgexpand.c: Likewise.
9233         * cfghooks.c: Likewise.
9234         * cfglayout.c: Likewise.
9235         * cfgloopmanip.c: Likewise.
9236         * cgraphunit.c: Likewise.
9237         * coverage.c: Likewise.
9238         * dbxout.c: Likewise.
9239         * df-byte-scan.c: Likewise.
9240         * df-core.c: Likewise.
9241         * df-problems.c: Likewise.
9242         * df-scan.c: Likewise.
9243         * dfp.c: Likewise.
9244         * dominance.c: Likewise.
9245         * domwalk.c: Likewise.
9246         * dse.c: Likewise.
9247         * dwarf2out.c: Likewise.
9248         * emit-rtl.c: Likewise.
9249         * et-forest.c: Likewise.
9250         * function.c: Likewise.
9251         * function.h: Likewise.
9252         * gcc.c: Likewise.
9253         * gcov-io.c: Likewise.
9254         * gcov.c: Likewise.
9255         * gcse.c: Likewise.
9256         * genattrtab.c: Likewise.
9257         * ggc-page.c: Likewise.
9258         * gimplify.c: Likewise.
9259         * gthr-lynx.h: Likewise.
9260         * haifa-sched.c: Likewise.
9261         * ipa-cp.c: Likewise.
9262         * ipa-inline.c: Likewise.
9263         * ipa-prop.h: Likewise.
9264         * ipa-pure-const.c: Likewise.
9265         * ipa-struct-reorg.c: Likewise.
9266         * ipa-struct-reorg.h: Likewise.
9267         * ipa-type-escape.c: Likewise.
9268         * ipa.c: Likewise.
9269         * loop-doloop.c: Likewise.
9270         * mips-tfile.c: Likewise.
9271         * mkmap-flat.awk: Likewise.
9272         * mkmap-symver.awk: Likewise.
9273         * modulo-sched.c: Likewise.
9274         * omp-low.c: Likewise.
9275         * optabs.c: Likewise.
9276         * optabs.h: Likewise.
9277         * opts.c: Likewise.
9278         * passes.c: Likewise.
9279         * postreload-gcse.c: Likewise.
9280         * postreload.c: Likewise.
9281         * predict.c: Likewise.
9282         * pretty-print.h: Likewise.
9283         * profile.c: Likewise.
9284         * protoize.c: Likewise.
9285         * ra-conflict.c: Likewise.
9286         * real.c: Likewise.
9287         * recog.c: Likewise.
9288         * regclass.c: Likewise.
9289         * regs.h: Likewise.
9290         * reload.c: Likewise.
9291         * rtl-error.c: Likewise.
9292         * rtlanal.c: Likewise.
9293         * scan.h: Likewise.
9294         * sched-rgn.c: Likewise.
9295         * see.c: Likewise.
9296         * stmt.c: Likewise.
9297         * target.h: Likewise.
9298         * tree-dfa.c: Likewise.
9299         * tree-eh.c: Likewise.
9300         * tree-flow-inline.h: Likewise.
9301         * tree-inline.c: Likewise.
9302         * tree-into-ssa.c: Likewise.
9303         * tree-loop-distribution.c: Likewise.
9304         * tree-nested.c: Likewise.
9305         * tree-parloops.c: Likewise.
9306         * tree-pass.h: Likewise.
9307         * tree-pretty-print.c: Likewise.
9308         * tree-profile.c: Likewise.
9309         * tree-scalar-evolution.c: Likewise.
9310         * tree-sra.c: Likewise.
9311         * tree-ssa-alias-warnings.c: Likewise.
9312         * tree-ssa-ccp.c: Likewise.
9313         * tree-ssa-coalesce.c: Likewise.
9314         * tree-ssa-dom.c: Likewise.
9315         * tree-ssa-dse.c: Likewise.
9316         * tree-ssa-forwprop.c: Likewise.
9317         * tree-ssa-live.c: Likewise.
9318         * tree-ssa-live.h: Likewise.
9319         * tree-ssa-loop-im.c: Likewise.
9320         * tree-ssa-loop-ivopts.c: Likewise.
9321         * tree-ssa-loop-niter.c: Likewise.
9322         * tree-ssa-loop-prefetch.c: Likewise.
9323         * tree-ssa-phiopt.c: Likewise.
9324         * tree-ssa-phiprop.c: Likewise.
9325         * tree-ssa-sccvn.c: Likewise.
9326         * tree-ssa-ter.c: Likewise.
9327         * tree-ssa-threadupdate.c: Likewise.
9328         * tree-ssa.c: Likewise.
9329         * tree-vect-analyze.c: Likewise.
9330         * tree-vect-transform.c: Likewise.
9331         * tree-vectorizer.c: Likewise.
9332         * tree-vn.c: Likewise.
9333         * tree-vrp.c: Likewise.
9334         * tree.c: Likewise.
9335         * tree.def: Likewise.
9336         * tree.h: Likewise.
9337         * unwind-dw2-fde.c: Likewise.
9338         * unwind.inc: Likewise.
9339         * value-prof.c: Likewise.
9340         * vmsdbgout.c: Likewise.
9341
9342 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
9343
9344         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
9345         always place FP constants in the TOC for TARGET_POWERPC64.
9346         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
9347
9348 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
9349
9350         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
9351         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
9352         enable for TARGET_E500_DOUBLE.
9353         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
9354         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
9355         floating-point modes like integer modes for E500 double.
9356         (rs6000_legitimate_offset_address_p): Likewise.
9357         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
9358         addressing for DDmode for E500 double.
9359         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
9360         modes as using 64-bits of registers for E500 double.
9361         (spe_build_register_parallel): Do not handle DDmode or TDmode.
9362         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
9363         specially for E500 double.
9364         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
9365         TDmode for E500 double.
9366         (rs6000_gimplify_va_arg): Only handle SDmode in registers
9367         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
9368         (rs6000_split_multireg_move): Do not handle TDmode specially for
9369         E500 double.
9370         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
9371         using 64-bit registers for E500 double.
9372         (emit_frame_save): Do not handle DDmode specially for E500 double.
9373         (gen_frame_mem_offset): Likewise.
9374         (rs6000_function_value): Do not call spe_build_register_parallel
9375         for DDmode or TDmode.
9376         (rs6000_libcall_value): Likewise.
9377         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
9378         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
9379         for E500 double.
9380
9381 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
9382
9383         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
9384         in comments.
9385
9386 2008-06-04  Junjie Gu <jgu@tensilica.com>
9387
9388         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
9389         comparison for frame pointers.
9390
9391 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9392
9393         PR target/27386
9394         * config/avr/avr.h (PUSH_ROUNDING): Remove.
9395
9396 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9397
9398         PR target/30243
9399         * builtins.c (expand_builtin_signbit): Don't take lowpart when
9400         register is already smaller or equal to required mode.
9401
9402 2008-06-04  Xinliang David Li  <davidxl@google.com>
9403
9404         * tree-call-cdce.c: New file.
9405         (cond_dead_built_in_calls): New static variable.
9406         (input_domain): New struct.
9407         (check_pow): New function.
9408         (check_builtin_call): Ditto.
9409         (check_target_format): Ditto.
9410         (is_call_dce_candidate): Ditto.
9411         (gen_one_condition): Ditto.
9412         (gen_conditions_for_domain): Ditto.
9413         (get_domain): Ditto.
9414         (gen_conditions_for_pow_cst_base): Ditto.
9415         (gen_conditions_for_pow_int_base): Ditto.
9416         (gen_conditions_for_pow): Ditto.
9417         (get_no_error_domain): Ditto.
9418         (gen_shrink_wrap_conditions): Ditto.
9419         (shrink_wrap_one_built_in_call): Ditto.
9420         (shink_wrap_conditional_dead_built_in_calls): Ditto.
9421         (tree_call_cdce): Ditto.
9422         (gate_call_cdce): Ditto.
9423         (pass_call_cdce): New gimple pass.
9424         * passes.c: (init_optimization_passes): New pass.
9425         * tree-pass.h: New pass declaration.
9426         * opts.c (decode_options): New flag setting.
9427         * common.opt: Add -ftree-builtin-call-dce flag.
9428         * Makefile.in: Add new source file.
9429         * tempvar.def: New tv_id.
9430         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
9431
9432 2008-06-04  Richard Guenther  <rguenther@suse.de>
9433
9434         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
9435         (is_call_clobbered): Always check var_ann->call_clobbered.
9436         (mark_call_clobbered): Always set var_ann->call_clobbered.
9437         (clear_call_clobbered): Always clear var_ann->call_clobbered.
9438         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
9439         (reset_alias_info): Clear call clobbering info on MTAGs and
9440         globals as well.
9441         (set_pt_anything): Set pt_global_mem.
9442         (create_tag_raw): Adjust comment.
9443         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
9444
9445 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
9446             Maxim Kuvyrkov  <maxim@codesourcery.com>
9447
9448         * config/m68k/m68k.opt (mxgot): New option.
9449         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
9450         (m68k_output_addr_const_extra): New.
9451         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
9452         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
9453         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
9454         * doc/invoke.texi (M680x0 Options): Document -mxgot.
9455
9456 2008-06-04  Richard Guenther  <rguenther@suse.de>
9457
9458         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
9459         negative or non-representable offsets.
9460
9461 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
9462
9463         * config/i386/i386.c (ix86_gen_leave): New.
9464         (ix86_gen_pop1): Likewise.
9465         (ix86_gen_add3): Likewise.
9466         (ix86_gen_sub3): Likewise.
9467         (ix86_gen_sub3_carry): Likewise.
9468         (ix86_gen_one_cmpl2): Likewise.
9469         (ix86_gen_monitor): Likewise.
9470         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
9471         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
9472         ix86_gen_one_cmpl2 and ix86_gen_monitor.
9473         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
9474         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
9475         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
9476         (ix86_expand_epilogue): Updated.
9477         (print_operand): Handle integer register operand for 'z'.
9478         (ix86_expand_strlensi_unroll_1): Likewise.
9479         (ix86_expand_strlen): Likewise.
9480         (ix86_expand_builtin): Likewise.
9481         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
9482         mov{q}/mov{l} and add{q}/add{l}.
9483
9484 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9485
9486         * config/i386/i386.md (P): New mode iterator.
9487         (SFmode push_operand splitter): Macroize DImode and SImode pushes
9488         using P mode iterator.
9489         (DFmode push_operand splitter): Ditto.
9490         (XFmode push_operand splitter): Ditto.
9491         (DFmode float_extend SFmode push_operand splitter): Ditto.
9492         (XFmode float_extend SFmode push_operand splitter): Do not generate
9493         SImode pushes for 64bit target.  Macroize Dimode and SImode
9494         pushes using P mode iterator.
9495         (XFmode float_extend DFmode push_operand splitter): Ditto.
9496
9497 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9498
9499         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
9500         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
9501         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
9502         return type to int.
9503         (ix86_call_abi_override): Remove check for call_used_regs.
9504
9505 2008-06-03  Richard Guenther  <rguenther@suse.de>
9506
9507         * tree-ssa-structalias.c (find_func_aliases): Add constraints
9508         for the lhs of calls if the return type contains pointers.
9509
9510 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9511
9512         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
9513         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
9514         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
9515         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
9516         of cfun and DEFAULT_ABI to deceide abi mode.
9517         (DEFAULT_ABI): New.
9518         (REG_PARM_STACK_SPACE): Removed.
9519         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
9520         (STACK_BOUNDARY): Use default target to deceide stack boundary.
9521         * config/i386/i386-protos.h (ix86_cfun_abi): New.
9522         (ix86_function_abi): Likewise.
9523         (ix86_function_type_abi): Likewise.
9524         (ix86_call_abi_override): Likewise.
9525         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
9526         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
9527         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
9528         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
9529         specific defines.
9530         (X86_64_REGPARM_MAX): New.
9531         (X86_64_SSE_REGPARM_MAX): New.
9532         (X64_REGPARM_MAX): New.
9533         (X64_SSE_REGPARM_MAX): New.
9534         (X86_32_REGPARM_MAX): New.
9535         (X86_32_SSE_REGPARM_MAX): New.
9536         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
9537         (ix86_function_regparm): Handle user calling abi.
9538         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
9539         by DEFAULT_ABI versus SYSV_ABI check.
9540         (ix86_reg_parm_stack_space): New.
9541         (ix86_function_type_abi): New.
9542         (ix86_call_abi_override): New.
9543         (ix86_function_abi): New.
9544         (ix86_cfun_abi): New.
9545         (init_cumulative_args): Call abi specific initialization.
9546         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
9547         (function_arg_64): Extend SSE_REGPARM_MAX check.
9548         (function_arg (): Remove TARGET_64BIT_MS_ABI.
9549         (ix86_pass_by_reference): Likewise.
9550         (ix86_function_value_regno_p): Likewise.
9551         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
9552         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
9553         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
9554         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
9555         (setup_incoming_varargs_64): Adjust regparm for call abi.
9556         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
9557         (ix86_va_start): Likewise.
9558         (ix86_gimplify_va_arg): Likewise.
9559         (ix86_expand_prologue): Likewise.
9560         (output_pic_addr_const): Likewise.
9561         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
9562         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
9563         (x86_output_mi_thunk): Likewise.
9564         (x86_function_profiler): Likewise.
9565         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
9566         (SYSV_ABI, MS_ABI): New constants.
9567         (DEFAULT_ABI): New.
9568         (init_regs): Add prototype of function in regclass.c file.
9569         (OVERRIDE_ABI_FORMAT): New.
9570         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
9571         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
9572         (OUTGOING_REG_PARM_STACK_SPACE): New.
9573         (ix86_reg_parm_stack_space): New prototype.
9574         (CUMULATIVE_ARGS): Add call_abi member.
9575         (machine_function): Add call_abi member.
9576         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
9577         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
9578
9579 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
9580
9581         PR target/34879
9582         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
9583         (avr_builtin_setjmp_frame_value): New function.
9584         * config/avr/avr.md (nonlocal_goto_receiver): Define.
9585         (nonlocal_goto): Define.
9586
9587 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
9588
9589         * config/mips/mips.c (mips_emit_loadgp): Return early if
9590         there is nothing do to, otherwise emit a blockage if
9591         !TARGET_EXPLICIT_RELOCS || crtl->profile.
9592         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
9593
9594 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9595
9596         * configure.ac: Drop unneeded backslash ending up in config.in.
9597         * acinclude.m4: Likewise.
9598         * config.in: Regenerate.
9599
9600 2008-05-26  Jan Hubicka  <jh@suse.cz>
9601
9602         * predict.c (maybe_hot_frequency_p): Break out of...
9603         (maybe_hot_bb_p): ... here.
9604         (maybe_hot_edge_p): New.
9605         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
9606         * basic-block.h (maybe_hot_edge_p): Declare.
9607
9608 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9609
9610         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
9611         (*cmpfp_<mode>_cc): Ditto.
9612         (*fp_jcc_8<mode>_387): Ditto.
9613         (*fop_<MODEF:mode>_2_i387): Ditto.
9614         (*fop_<MODEF:mode>_3_i387): Ditto.
9615         (*fop_xf_2_i387): Ditto.
9616         (*fop_xf_3_i387): Ditto.
9617
9618 2008-06-02  Tomas Bily  <tbily@suse.cz>
9619
9620         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
9621
9622 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9623
9624         * config/mips/mips.c (mips_valid_offset_p): New function.
9625         (mips_valid_lo_sum_p): Likewise.
9626         (mips_classify_address): Use them.
9627         (mips_force_address): New function.
9628         (mips_legitimize_address): Use it.
9629         * config/mips/mips.md (MOVE128): New mode iterator.
9630         (movtf): Require TARGET_64BIT.  Remove empty strings.
9631         (*movtf_internal): Rename to...
9632         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
9633         of "R" and use {,fp}{load,store} attributes instead of "multi".
9634         Use a separate define_split.
9635         (*movtf_mips16): New pattern.
9636
9637 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9638
9639         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
9640         * config/mips/mips.c (mips_expand_before_return): New function.
9641         (mips_expand_epilogue): Call it.
9642         * config/mips/mips.md (return): Turn into a define_expand.
9643         (*return): New insn.
9644
9645 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9646
9647         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
9648         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
9649         functions.  Do not emit uses and clobbers of CONCATs; individually
9650         use and clobber their operands.
9651         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
9652         gen_clobber, emit_use and gen_use.
9653         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
9654         (expand_builtin_return): Likewise.
9655         * cfgbuild.c (count_basic_blocks): Likewise.
9656         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
9657         * explow.c (emit_stack_restore): Likewise.
9658         * expmed.c (extract_bit_field_1): Likewise.
9659         * expr.c (convert_move, emit_move_complex_parts): Likewise.
9660         (emit_move_multi_word, store_constructor): Likewise.
9661         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
9662         (thread_prologue_and_epilogue_insns): Likewise.
9663         * lower-subreg.c (resolve_simple_move): Likewise.
9664         * optabs.c (widen_operand, expand_binop): Likewise.
9665         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
9666         * reload.c (find_reloads): Likewise.
9667         * reload1.c (eliminate_regs_in_insn): Likewise.
9668         * stmt.c (expand_nl_goto_receiver): Likewise.
9669         * config/alpha/alpha.md (builtin_longjmp): Likewise.
9670         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
9671         * config/arm/arm.c (arm_load_pic_register): Likewise.
9672         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
9673         * config/arm/arm.md (untyped_return): Likewise.
9674         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
9675         * config/avr/avr.c (expand_prologue): Likewise.
9676         * config/bfin/bfin.c (do_unlink): Likewise.
9677         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
9678         * config/cris/cris.c (cris_expand_prologue): Likewise.
9679         * config/darwin.c (machopic_indirect_data_reference): Likewise.
9680         (machopic_legitimize_pic_address): Likewise.
9681         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
9682         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
9683         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
9684         (ix86_expand_convert_uns_didf_sse): Likewise.
9685         (ix86_expand_vector_init_general): Likewise.
9686         * config/ia64/ia64.md (eh_epilogue): Likewise.
9687         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
9688         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
9689         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
9690         (config/iq2000/iq2000.c): Likewise.
9691         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
9692         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
9693         (builtin_longjmp): Likewise.
9694         * config/mn10300/mn10300.md (call, call_value): Likewise.
9695         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
9696         * config/pdp11/pdp11.md (abshi2): Likewise.
9697         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9698         * config/s390/s390.c (s390_emit_prologue): Likewise.
9699         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
9700         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
9701         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
9702         * config/sh/sh.c (prepare_move_operands): Likewise.
9703         (output_stack_adjust, sh_expand_epilogue): Likewise.
9704         (sh_set_return_address, sh_expand_t_scc): Likewise.
9705         * config/sparc/sparc.c (load_pic_register): Likewise.
9706         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
9707         * config/spu/spu.c (spu_expand_epilogue): Likewise.
9708         * config/v850/v850.c (expand_epilogue): Likewise.
9709
9710 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
9711
9712         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
9713         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
9714         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
9715         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
9716         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
9717         stack pointer register.
9718         (output_movhi): Remove code for interrupt specific writing to the
9719         stack pointer register.
9720
9721 2008-05-31  Richard Guenther  <rguenther@suse.de>
9722
9723         PR tree-optimization/34244
9724         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
9725         (tree_expr_nonzero_warnv_p): Likewise.
9726         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
9727         ssa_name_nonnegative_p.
9728         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
9729         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
9730         not tree_expr_nonzero_warnv_p.
9731
9732         PR tree-optimization/36262
9733         Revert
9734         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
9735
9736         PR tree-optimization/34244
9737         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
9738         (record_numbers_of_iterations): New function.
9739         (execute_vrp): Cache the numbers of iterations of loops.
9740         * tree-scalar-evolution.c (scev_reset_except_niters):
9741         New function.
9742         (scev_reset): Use scev_reset_except_niters.
9743         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
9744
9745 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
9746
9747         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9748         __WORKAROUND_RETS when appropriate.
9749
9750 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9751
9752         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
9753         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
9754         mode iterator.
9755         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
9756         *fop_df_comm_sse insn patterns using MODEF mode iterator.
9757         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
9758         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
9759         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
9760         *fop_df_1_mixed insn patterns using MODEF mode iterator.
9761         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
9762         *fop_df_1_sse insn patterns using MODEF mode iterator.
9763         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
9764         *fop_df_1_i387 insn patterns using MODEF mode iterator.
9765         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
9766         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
9767         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
9768         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
9769         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
9770         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
9771         (*fop_xf_4_i387): Use <MODE> for mode attribute.
9772         (*fop_xf_5_i387): Ditto.
9773         (*fop_xf_6_i387): Ditto.
9774
9775 2008-05-30  Richard Guenther  <rguenther@suse.de>
9776
9777         * builtins.c (build_string_literal): Avoid generating
9778         a non-gimple_val result.
9779
9780 2008-05-30  DJ Delorie  <dj@redhat.com>
9781
9782         * exec-tool.in: Use an environment variable (private) instead of a
9783         file (shared) as a semaphore, so as to not break parallel builds.
9784
9785 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
9786
9787         * optabs.c (maybe_encapsulate_block): Remove.
9788         (emit_libcall_block): Adjust accordingly.
9789         * optabs.h (maybe_encapsulate_block): Remove prototype.
9790
9791         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
9792         Don't use maybe_encapsulate_block.
9793
9794 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
9795
9796         * config/rs6000/rs6000.c (rs6000_legitimize_address,
9797         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
9798         rtx is a SYMBOL_REF before calling get_pool_constant.
9799
9800 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
9801
9802         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
9803
9804 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
9805
9806         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
9807         rather than OS names to choose INO_T_EQ definition.
9808         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
9809         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
9810
9811 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
9812
9813         PR target/36348
9814         * config/darwin-f.c: New.
9815         * config/t-darwin: Added rule to build darwin-f.o.
9816         * config.gcc: Defined new variable, fortran_target_objs.
9817         (*-*-darwin*): Set fortran_target_objs.
9818         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
9819         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
9820         * configure: Regenerated.
9821
9822 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
9823
9824         PR target/35771
9825         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
9826         canonical type if needed.
9827
9828 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
9829
9830         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
9831
9832 2008-05-29  Richard Guenther  <rguenther@suse.de>
9833
9834         PR tree-optimization/36343
9835         PR tree-optimization/36346
9836         PR tree-optimization/36347
9837         * tree-flow.h (clobber_what_p_points_to): Declare.
9838         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
9839         pointed-to variable is dereferenced is irrelevant to whether
9840         the pointer can access the pointed-to variable.
9841         (clobber_what_p_points_to): New function.
9842         * tree-ssa-alias.c (set_initial_properties): Use it.
9843         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
9844         call clobber check for NMTs.
9845
9846 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
9847
9848         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
9849         for printing gcov_type.
9850
9851 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
9852
9853         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
9854         and the eh region information.
9855         * value-prof.c (gimple_move_stmt_histograms): New function.
9856         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
9857
9858 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
9859
9860         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
9861
9862 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
9863
9864         * value-prof.c (tree_ic_transform): Print counts.
9865         * tree-profile.c (tree_gen_ic_func_profiler):
9866         Clear __gcov_indreict_call_callee variable to avoid misattribution
9867         of the profile.
9868
9869 2008-05-28  Rafael Espindola  <espindola@google.com>
9870
9871         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
9872         invalid sharing.
9873
9874 2008-05-28  Richard Guenther  <rguenther@suse.de>
9875
9876         PR tree-optimization/36339
9877         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
9878         and clobbering code out of the loop.
9879
9880 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9881
9882         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
9883         letters defined.
9884
9885         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
9886         s390_contiguous_bitmask_p, s390_symref_operand_p,
9887         s390_check_symref_alignment, s390_reload_larl_operand,
9888         s390_reload_symref_address): New functions.
9889         (s390_branch_condition_mnemonic): Support compare and branch
9890         instructions.
9891         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
9892         and 'W' constraints.
9893         (s390_secondary_reload): Add secondary reloads for unaligned
9894         symbol refs or symbol refs to floating point or QI/TI mode
9895         integer values.
9896         (legitimate_address_p): Accept symbol references as addresses.
9897         (s390_expand_insv): Use rotate and insert selected bits
9898         instruction for insv when building for z10.
9899         (print_operand_address): Handle symbol ref addresses.
9900         (print_operand): Output modifier 'c' added for signed byte values.
9901         (s390_encode_section_info): Mark symbol refs with
9902         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
9903
9904         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
9905         (length attribute): RRF, RRR have 4 byte length.
9906         (FPALL, INTALL): New mode iterators added.
9907         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
9908         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
9909         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
9910         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
9911         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
9912         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
9913         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
9914         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
9915         instructions.
9916         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
9917         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
9918         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
9919         reload<INTALL:mode><P:mode>_toreg_z10,
9920         reload<FPALL:mode><P:mode>_tomem_z10,
9921         reload<FPALL:mode><P:mode>_toreg_z10,
9922         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
9923         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
9924         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
9925         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
9926         definition.
9927         (movmem, clrmem, cmpmem): New splitters added.
9928
9929         * config/s390/predicates.md (larl_operand): Use
9930         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
9931         SYMBOL_REF_ALIGN1_P.
9932         (s390_signed_integer_comparison,
9933         s390_unsigned_integer_comparison): New predicates.
9934
9935         * config/s390/s390-protos.h (s390_check_symref_alignment,
9936         s390_contiguous_bitmask_p, s390_reload_larl_operand,
9937         s390_reload_symref_address,
9938         s390_compare_and_branch_condition_mask): Prototypes added.
9939
9940         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
9941         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
9942         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
9943
9944 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9945
9946         * config/s390/s390.c (z10_cost): New cost function for z10.
9947         (s390_handle_arch_option, override_options): Support -march=z10 switch.
9948         (s390_issue_rate): Adjust issue rate for z10.
9949         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
9950         (processor_flags): Add PF_Z10.
9951         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
9952         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
9953         * gcc/config.gcc: Add z10.
9954
9955 2008-05-28  Richard Guenther  <rguenther@suse.de>
9956
9957         PR tree-optimization/36291
9958         * tree-flow. h (struct gimple_df): Remove var_anns member.
9959         * tree-flow-inline.h (gimple_var_anns): Remove.
9960         (var_ann): Simplify.
9961         * tree-dfa.c (create_var_ann): Simplify.
9962         (remove_referenced_var): Clear alias info from var_anns of globals.
9963         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
9964         (delete_tree_ssa): Clear alias info from var_anns of globals.
9965         Do not free var_anns.
9966         (var_ann_eq): Remove.
9967         (var_ann_hash): Likewise.
9968
9969 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
9970
9971         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
9972         and loongson2f entries.
9973         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
9974         * config/mips/mips.h (processor_type): Add Loongson-2E
9975         and Loongson-2F entries.
9976         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
9977         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
9978         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
9979         * doc/invoke.texi (MIPS Options): Document loongson2e
9980         and loongson2f processor names.
9981
9982 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9983
9984         PR target/35767
9985         PR target/35771
9986         * config/i386/i386.c (ix86_function_arg_boundary): Use
9987         alignment of canonical type.
9988         (ix86_expand_vector_move): Check unaligned memory access for
9989         all SSE modes.
9990
9991 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9992
9993         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
9994         Moved to the front of file.
9995
9996 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
9997             H.J. Lu  <hongjiu.lu@intel.com>
9998
9999         * dwarf2out.c (current_fde): New.
10000         (add_cfi): Use it.
10001         (lookup_cfa:): Likewise.
10002         (dwarf2out_end_epilogue): Likewise.
10003         (dwarf2out_note_section_used): Likewise.
10004
10005 2008-05-27  Michael Matz  <matz@suse.de>
10006
10007         PR c++/27975
10008         * c.opt (Wenum-compare): New warning option.
10009         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
10010
10011 2008-05-27  Michael Matz  <matz@suse.de>
10012
10013         PR middle-end/36326
10014         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
10015         non-BLKmode types.
10016         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
10017         into memory as tail calls.
10018
10019 2008-05-27  Richard Guenther  <rguenther@suse.de>
10020
10021         PR tree-optimization/36339
10022         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
10023         pointers cause all addressable variables to be call clobbered.
10024
10025 2008-05-27  Richard Guenther  <rguenther@suse.de>
10026
10027         PR tree-optimization/36245
10028         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
10029
10030 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10031
10032         * config/s390/s390.md: Replace all occurences of the 'm'
10033         constraint with 'RT'.
10034
10035 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10036
10037         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
10038         definitions added.
10039         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
10040         "*movdi_64".
10041         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
10042         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
10043         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
10044
10045 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10046
10047         * reload.c: (find_reloads): Skip alternatives according to the
10048         "enabled" attribute. Constify the constraint variable.
10049         * recog.c (get_attr_enabled): Add default implementation.
10050         (extract_insn): Set the alternative_enabled_p array
10051         in the recog_data struct.
10052         (preprocess_constraints, constrain_operands): Skip
10053         alternatives according to the "enabled" attribute
10054         * recog.h (struct recog_data): New field alternative_enabled_p.
10055         (skip_alternative): New inline function.
10056         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
10057         (record_reg_classes): Skip alternative according to the
10058         "enabled" attribute.
10059
10060         * doc/md.texi: Add documention for the "enabled" attribute.
10061
10062 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10063
10064         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
10065         * postreload.c (reload_cse_simplify_operands): Replace 'm'
10066         constraint with TARGET_MEM_CONSTRAINT.
10067         * recog.c (asm_operand_ok, preprocess_constraints,
10068         constrain_operands): Likewise.
10069         * regclass.c (record_reg_classes): Likewise.
10070         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
10071         * reload1.c (maybe_fix_stack_asms): Likewise.
10072         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
10073         * recog.h: Adjust comment.
10074         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
10075         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
10076         * doc/md.texi: Add a note to description of 'm' constraint.
10077         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
10078
10079 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
10080
10081         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
10082         that the bitfield is of integral type before testing its precision.
10083
10084 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
10085             Sa Liu  <saliu@de.ibm.com>
10086
10087         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
10088         __modti3, __udivti3, __umodti3 and __udivmodti4.
10089         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
10090         that implement TImode mul and div functions.
10091         * config/spu/multi3.c: New. Implement __multi3.
10092         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
10093         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
10094         functions on SPU.
10095
10096 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
10097
10098         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
10099         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
10100         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
10101         tls_sysv_suffix): New mode and mode attribute iterators.
10102         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
10103         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
10104         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
10105         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
10106         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
10107         iterators.
10108
10109 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
10110
10111         PR tree-optimization/36329
10112         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
10113         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
10114         * cgraphbuild.c (initialize_inline_failed): Use the latter
10115         macro in lieu of the former.
10116         * ipa-inline.c (cgraph_mark_inline): Likewise.
10117         (cgraph_decide_inlining_of_small_function): Likewise.
10118         (cgraph_decide_inlining): Likewise.
10119         (cgraph_decide_inlining_incrementally): Likewise.
10120
10121 2008-05-26  Tristan Gingold  <gingold@adacore.com>
10122             Anatoly Sokolov  <aesok@post.ru>
10123
10124         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
10125         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
10126         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
10127         optimization for 'avr6' architecture.
10128
10129 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
10130
10131         PR target/34932
10132         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
10133
10134 2008-05-26  Richard Guenther  <rguenther@suse.de>
10135
10136         * tree-ssa-sccvn.c (expr_has_constants): Declare.
10137         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
10138
10139 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
10140
10141         PR middle-end/36253
10142         * caller-save.c (insert_restore): Verify alignment of spill space.
10143         (insert_save): Likewise.
10144         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
10145         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
10146         (STACK_SLOT_ALIGNMENT): Likewise.
10147         * function.c (LOCAL_ALIGNMENT): Removed.
10148         (get_stack_local_alignment): New.
10149         (assign_stack_local): Use it.  Set alignment on stack slot.
10150         (assign_stack_temp_for_type): Use get_stack_local_alignment.
10151         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
10152         (STACK_SLOT_ALIGNMENT): New.
10153         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
10154         stack slot in XFmode.
10155
10156         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
10157
10158 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
10159
10160         PR/36321
10161         * config/i386/i386.md (allocate_stack_worker_64): Make sure
10162         argument operand in rax isn't removed.
10163
10164 2008-05-26  Richard Guenther  <rguenther@suse.de>
10165
10166         PR middle-end/36300
10167         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
10168         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
10169
10170 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10171
10172         PR bootstrap/36331
10173         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
10174
10175 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
10176
10177         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
10178         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
10179
10180 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
10181
10182         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
10183         build a trampoline if we don't want one.
10184         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
10185         return zero for nested functions if we don't want a trampoline.
10186
10187 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10188
10189         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
10190
10191 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10192
10193         PR fortran/18428
10194         * c.opt: Removed undocumented option '-lang-fortran'.
10195         * c-common.h: Removed global variable 'lang_fortran'.
10196         * c-opts.c (c_common_handle_option): Removed code to handle
10197         option '-lang-fortran'. Updated includes.
10198         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
10199         definition of '__GFORTRAN__'.
10200         (define__GNUC__): Reimplemented to use BASEVER and
10201         cpp_define_formatted.
10202         (builtin_define_with_value_n): Removed.
10203         * c-incpath.h: Renamed to ...
10204         * incpath.h: ... this.
10205         * c-incpath.c: Renamed to ...
10206         * incpath.c: ... this. Updated includes.
10207         * fix-header.c: Updated includes.
10208         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
10209         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
10210         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
10211
10212 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
10213
10214         * tree.h: Update the table of flags used on tree nodes.
10215         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
10216         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
10217         (FORCED_LABEL): Add access check.
10218         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
10219         (ASM_INPUT_P): Likewise.
10220         (ASM_VOLATILE_P): Likewise.
10221         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
10222         (OMP_SECTION_LAST): Access private_flag directly.
10223         (OMP_RETURN_NOWAIT): Likewise.
10224         (OMP_PARALLEL_COMBINED): Likewise.
10225         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
10226         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
10227         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
10228         deprecated_flag directly.
10229
10230 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
10231
10232         * final.c (frame_pointer_needed): Removed.
10233         * flags.h (frame_pointer_needed): Likewise.
10234
10235         * function.h (rtl_data): Add frame_pointer_needed.
10236         (frame_pointer_needed): New.
10237
10238 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
10239
10240         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
10241
10242 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
10243
10244         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
10245         SRC is a REG.
10246
10247 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
10248
10249         * c-common.c (strip_array_types): Move function to..
10250         * tree.c: ..here.
10251         (get_inner_array_type): Delete.
10252         * c-common.h (strip_array_types): Move declaration to..
10253         * tree.h: ..here.
10254         (get_inner_array_type): Delete.
10255         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
10256         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
10257         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
10258         * config/pa/pa.c (emit_move_sequence): Likewise.
10259
10260 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
10261
10262         * config/i386/i386.md (*sse_prologue_save_insn): Set length
10263         attribute to 34.
10264
10265 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
10266
10267         * function.c: Include target hook for nonlocal_goto frame value.
10268
10269 2008-05-24  Richard Guenther  <rguenther@suse.de>
10270
10271         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
10272         variable can be only accessed through a pointer or a union.
10273
10274 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10275
10276         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
10277         * doc/extend.texi: Likewise.
10278
10279 2008-05-23  DJ Delorie  <dj@redhat.com>
10280
10281         * config/m32c/jump.md (untyped_call): Add.
10282
10283         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
10284         for A24 to PSImode.
10285         (m32c_address_cost): Detail costs for indirect offsets.
10286
10287 2008-05-23  Rafael Espindola  <espindola@google.com>
10288
10289         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
10290         if a node is a SUBREG.
10291         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
10292         is a SUBREG.
10293
10294 2008-05-23  Paul Brook  <paul@codesourcery.com>
10295             Carlos O'Donell  <carlos@codesourcery.com>
10296
10297         * doc/extend.texi: Clarify use of __attribute__((naked)).
10298         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10299         * target.h (gcc_target): Add allocate_stack_slots_for_args.
10300         * function.c (use_register_for_decl): Use
10301         targetm.calls.allocate_stack_slots_for_args.
10302         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10303         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
10304         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
10305
10306 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
10307
10308         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
10309
10310 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
10311
10312         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
10313         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
10314         is only rounded once.
10315
10316 2008-05-23  Richard Guenther  <rguenther@suse.de>
10317
10318         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
10319
10320 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
10321             Jakub Jelinek  <jakub@redhat.com>
10322
10323         PR target/36079
10324         * configure.ac: Handle --enable-cld.
10325         * configure: Regenerated.
10326         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
10327         * config/i386/i386.h (struct machine_function): Add needs_cld field.
10328         (ix86_current_function_needs_cld): New define.
10329         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
10330         (cld): New isns pattern.
10331         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
10332         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
10333         * config/i386/i386.opt (mcld): New option.
10334         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
10335         TARGET_CLD and ix86_current_function_needs_cld.
10336         (override_options): Use -mcld by default for 32-bit code if
10337         USE_IX86_CLD.
10338
10339         * doc/install.texi (Options specification): Document --enable-cld.
10340         * doc/invoke.texi (Machine Dependent Options)
10341         [i386 and x86-64 Options]: Add -mcld option.
10342         (Intel 386 and AMD x86-64 Options): Document -mcld option.
10343
10344 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
10345         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
10346         (return_in_memory_64): Likewise.
10347         (return_in_memory_ms_64): Likewise.
10348
10349 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10350
10351         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
10352         * builtins.c (fold_builtin_fpclassify): New.
10353         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
10354         * builtins.def (BUILT_IN_FPCLASSIFY): New.
10355         * c-common.c (handle_type_generic_attribute): Adjust to accept
10356         fixed arguments before an elipsis.
10357         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
10358         * doc/extend.texi: Document __builtin_fpclassify.
10359
10360 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
10361
10362         * omp-low.c (gate_expand_omp_ssa): Remove.
10363         (pass_expand_omp_ssa): Remove.
10364         (gate_expand_omp): Do not check for flag_openmp_ssa.
10365         * common.opt (-fopenmp-ssa): Remove.
10366         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
10367
10368 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
10369
10370         * config/sh/sh.opt (mfixed-range): New option.
10371         * config/sh/sh-protos.h (sh_fix_range): Declare.
10372         * config/sh/sh.c (sh_fix_range): New function.
10373         * config/sh/sh.h (sh_fixed_range_str): Declare.
10374         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
10375         is not empty.
10376         * doc/invoke.texi (SH Options): Document -mfixed-range.
10377
10378 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
10379
10380         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
10381         it before the redeclaration.
10382
10383 2008-05-22  Anatoly Sokolov <aesok@post.ru>
10384
10385         * config/avr/avr.c (get_sequence_length): Add new function.
10386         (expand_prologue, expand_epilogue): Remove duplicate code.
10387
10388 2008-05-22  Rafael Espindola  <espindola@google.com>
10389
10390         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
10391         sharing.
10392
10393 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
10394
10395         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
10396         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
10397
10398         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
10399         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
10400         (vect_update_misalignment_for_peel): Likewise.
10401         (vector_alignment_reachable_p): Likewise.
10402         * tree-vect-transform.c (vectorizable_load): Likewise.
10403         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
10404         (get_vectype_for_scalar_type): Pass mode of scalar_type
10405         to UNITS_PER_SIMD_WORD.
10406
10407         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
10408         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
10409         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
10410         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
10411         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
10412
10413 2008-05-22  Ira Rosen  <irar@il.ibm.com>
10414
10415         PR tree-optimization/36293
10416         * tree-vect-transform.c (vect_transform_strided_load): Don't check
10417         if the first load must be skipped because of a gap.
10418
10419 2008-05-22  Richard Guenther  <rguenther@suse.de>
10420
10421         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
10422         more cases of offset disambiguation that is possible if
10423         strict-aliasing rules apply.
10424         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
10425         for basic offset and type-based disambiguation.
10426
10427 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10428
10429         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
10430         ix86_expand_vector_set on V16QImode for SSE4.1.
10431
10432 2008-05-21  Tom Tromey  <tromey@redhat.com>
10433
10434         * c.opt (Wimport): Mark as undocumented.
10435         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
10436         -Wno-import.
10437         (Warning Options): Likewise.
10438         * doc/cppopts.texi: Don't mention -Wimport.
10439
10440 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
10441
10442         PR tree-optimization/36287
10443         PR tree-optimization/36286
10444         * lambda-code.c (build_access_matrix): Do not use the loop->num
10445         for computing the number of induction variables: use the loop depth
10446         instead.
10447
10448 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
10449
10450         PR/36280
10451         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
10452         option -f(no-)leading-underscore.
10453
10454 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10455
10456         * config/i386/i386.c (ix86_expand_vector_init_general): Use
10457         GET_MODE_NUNITS (mode).
10458
10459 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
10460
10461         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
10462         (-mmulhw): Add 464 to description.
10463         (-mdlmzb): Likewise.
10464         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
10465         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
10466         464fp entries.
10467         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
10468         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
10469         * config/rs6000/rs6000.md: Update comments for 464.
10470
10471 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
10472
10473         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
10474
10475 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10476
10477         * config/i386/sse.md (vec_extractv4sf): Removed.
10478         (vec_extractv2df): Likewise.
10479         (vec_extractv2di): Likewise.
10480         (vec_extractv4si): Likewise.
10481         (vec_extractv8hi): Likewise.
10482         (vec_extractv16qi): Likewise.
10483         (vec_extract<mode>): New.
10484
10485 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10486
10487         * config/i386/sse.md (vec_setv4sf): Removed.
10488         (vec_setv2df): Likewise.
10489         (vec_setv2di): Likewise.
10490         (vec_setv4si): Likewise.
10491         (vec_setv8hi): Likewise.
10492         (vec_setv16qi): Likewise.
10493         (vec_set<mode>): New.
10494
10495 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10496
10497         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
10498         goto for vec_concat and vec_interleave.
10499
10500 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10501
10502         * config/i386/sse.md (vec_initv4sf): Removed.
10503         (vec_initv2df): Likewise.
10504         (vec_initv2di): Likewise.
10505         (vec_initv4si): Likewise.
10506         (vec_initv8hi): Likewise.
10507         (vec_initv16qi): Likewise.
10508         (vec_init<mode>): New.
10509
10510 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
10511
10512         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
10513
10514 2008-05-21  Tom Tromey  <tromey@redhat.com>
10515
10516         * ggc-zone.c (lookup_page_table_if_allocated): New function.
10517         (zone_find_object_offset): Likewise.
10518         (gt_ggc_m_S): Likewise.
10519         (highest_bit): Likewise.
10520         * ggc-page.c (gt_ggc_m_S): New function.
10521         * stringpool.c (string_stack): Remove.
10522         (init_stringpool): Update.
10523         (ggc_alloc_string): Use ggc_alloc.
10524         (maybe_delete_ident): New function.
10525         (ggc_purge_stringpool): Likewise.
10526         (gt_ggc_m_S): Remove.
10527         * ggc-common.c (ggc_protect_identifiers): New global.
10528         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
10529         ggc_protect_identifiers.
10530         * ggc.h (ggc_protect_identifiers): Declare.
10531         (gt_ggc_m_S): Update.
10532         (ggc_purge_stringpool): Declare.
10533         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
10534         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
10535         special case.
10536         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
10537
10538 2008-05-21  David S. Miller  <davem@davemloft.net>
10539
10540         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
10541         tmake_file.
10542
10543 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
10544
10545         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
10546         once finished.
10547
10548 2008-05-20  David Daney  <ddaney@avtrex.com>
10549
10550         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
10551         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
10552         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
10553         UNSPEC_UPDATE_GOT_VERSION): Renumber.
10554         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
10555         (atomic_hiqi_op): New define_code_iterator.
10556         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
10557         mips_expand_compare_and_swap_12.
10558         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
10559         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
10560         (sync_<optab><mode>, sync_old_<optab><mode>,
10561         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
10562         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
10563         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
10564         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
10565         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
10566         (test_and_set_12): New insn.
10567         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
10568         sync_new_<optab><mode>, sync_old_nand<mode>,
10569         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
10570         clobber to operand 0 for SI and DI mode insns.
10571         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
10572         mips_gen_fn_4): New typedefs.
10573         (mips_gen_fn_ptrs): Define new union type.
10574         (mips_expand_compare_and_swap_12): Remove declaration.
10575         (mips_expand_atomic_qihi): Declare function.
10576         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
10577         (mips_expand_atomic_qihi): ... this.  Use new generator function
10578         parameter.
10579         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
10580         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
10581         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
10582         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
10583         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
10584         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
10585         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
10586         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
10587         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
10588         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
10589         New macros.
10590
10591 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
10592
10593         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
10594         the missing break.
10595
10596 2008-05-20  Anatoly Sokolov <aesok@post.ru>
10597
10598         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
10599         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
10600         (avr_attribute_table): Add 'OS_main' function attribute.
10601         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
10602         functions with 'OS_main' attribute.
10603
10604 2008-05-20  Richard Guenther  <rguenther@suse.de>
10605
10606         PR tree-optimization/35204
10607         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
10608         helper, split out from ...
10609         (DFS): ... here.  Make the DFS walk non-recursive.
10610
10611 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
10612             Jan Sjodin  <jan.sjodin@amd.com>
10613
10614         PR tree-optimization/36181
10615         * tree-parloops.c (loop_has_vector_phi_nodes): New.
10616         (parallelize_loops): Don't parallelize when the loop has vector
10617         phi nodes.
10618
10619 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10620             Sebastian Pop  <sebastian.pop@amd.com>
10621
10622         * tree-loop-linear.c (gather_interchange_stats): Look in the access
10623         matrix, and never look at the tree representation of the memory
10624         accesses.
10625         (linear_transform_loops): Computes parameters and access matrices.
10626         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
10627         when fails.
10628         (access_matrix_get_index_for_parameter): New.
10629         * tree-data-ref.h (struct access_matrix): New.
10630         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
10631         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
10632         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
10633         am_vector_index_for_loop): New.
10634         (struct data_reference): Add field access_matrix.
10635         (DR_ACCESS_MATRIX): New.
10636         (compute_data_dependences_for_loop): Update declaration.
10637         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
10638         * lambda.h (lambda_vector_vec_p): Declared.
10639         * lambda-code.c: Depend on pointer-set.h.
10640         (lambda_collect_parameters_from_af, lambda_collect_parameters,
10641         av_for_af_base, av_for_af, build_access_matrix,
10642         lambda_compute_access_matrices): New.
10643         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
10644
10645 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
10646
10647         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
10648         $SOURCEDIR/include.
10649
10650 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10651             Sebastian Pop  <sebastian.pop@amd.com>
10652
10653         PR tree-optimization/36206
10654         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
10655         FOLD_CONVERSIONS.
10656         (instantiate_scev_1): Rename flags to fold_conversions.
10657         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
10658         outeside instantiation_loop.
10659         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
10660         (evolution_function_is_affine_or_constant_p): Removed.
10661         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
10662         instantiate_scev.
10663         (analyze_siv_subscript): Pass in the loop nest number.
10664         Call evolution_function_is_affine_in_loop instead of
10665         evolution_function_is_affine_p.
10666         (analyze_overlapping_iterations): Pass in the loop nest number.
10667
10668 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10669             Sebastian Pop  <sebastian.pop@amd.com>
10670
10671         PR tree-optimization/36206
10672         * tree-chrec.h (chrec_fold_op): New.
10673         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
10674         and other trees.
10675
10676 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
10677
10678         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
10679         (DIRS_EQ): New.
10680         (remove_duplicates): Do not set inode on non-inode systems.
10681         Use DIRS_EQ.
10682
10683 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
10684
10685         * config.gcc (tm_file): Update comments about relative pathnames.
10686
10687 2008-05-20  Richard Guenther  <rguenther@suse.de>
10688
10689         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
10690         * tree-ssa-sccvn.c (process_scc): Likewise.
10691         * tree-ssa-sink.c (execute_sink_code): Likewise.
10692         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
10693         * tree-vrp.c (process_assert_insertions): Likewise.
10694         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
10695         (perform_tree_ssa_dce): Likewise.
10696         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
10697         (dump_dominator_optimization_stats): Likewise.
10698         * tree-vectorizer.c (vectorize_loops): Likewise.
10699
10700 2008-05-20  Richard Guenther  <rguenther@suse.de>
10701
10702         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
10703
10704 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
10705
10706         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
10707         (ix86_i386elf_return_in_memory): Likewise.
10708         (ix86_i386interix_return_in_memory): Likewise.
10709         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
10710         (SUBTARGET_RETURN_IN_MEMORY): New.
10711         * config/i386/i386elf.h: Likewise.
10712         * config/i386/ptx4-i.h: Likewise.
10713         * config/i386/sol2-10.h: Likewise.
10714         * config/i386/sysv4.h: Likewise.
10715         * config/i386/vx-common.h: Likewise.
10716         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
10717         * config/i386/i386.c (ix86_return_in_memory): Made static and
10718         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
10719         (ix86_i386elf_return_in_memory): Removed.
10720         (ix86_i386interix_return_in_memory): Removed.
10721         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
10722         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
10723
10724 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
10725
10726         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
10727
10728 2008-05-19  Xinliang David Li  <davidxl@google.com>
10729
10730         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
10731         * opts.c: Ditto.
10732         * common.opt: Ditto.
10733         * doc/invoke.texi: Ditto.
10734
10735 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
10736
10737         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
10738         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
10739
10740 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10741
10742         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
10743         sizes of operand array from 8/4 to 4/2.
10744         (ix86_expand_vector_init_general): Change size of operand array
10745         from 32 to 16.  Remove op0, op1 and half_mode.
10746
10747 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10748
10749         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
10750         (ix86_expand_vector_init_interleave): Likewise.
10751         (ix86_expand_vector_init_general): Use them.  Assert
10752         word_mode == SImode when n_words == 4.
10753
10754 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
10755
10756         * config/i386/i386.c (ix86_secondary_reload): New static function.
10757         (TARGET_SECONDARY_RELOAD): New define.
10758         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
10759         * config/i386/i386.md (reload_outqi): Remove.
10760
10761 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10762
10763         PR middle-end/35509
10764         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
10765         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
10766         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
10767         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
10768         (fold_builtin_1): Likewise.
10769         * builtins.def (BUILT_IN_ISINF_SIGN): New.
10770         c-common.c (check_builtin_function_arguments): Handle
10771         BUILT_IN_ISINF_SIGN.
10772         * doc/extend.texi: Document __builtin_isinf_sign.
10773         * fold-const.c (operand_equal_p): Handle COND_EXPR.
10774
10775 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
10776
10777         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
10778         EH cleanup at the end of the pass, search for those that have been
10779         turned into forwarder blocks and do the cleanup on their successor.
10780
10781 2008-05-18  Richard Guenther  <rguenther@suse.de>
10782
10783         * tree-cfg.c (verify_gimple_expr): Allow conversions from
10784         pointers to sizetype and vice versa.
10785
10786 2008-05-18 Xinliang David Li   <davidxl@google.com>
10787
10788         * gcc/tree-ssa-dce.c: Coding style fix.
10789         (check_pow): Documentation comment.
10790         (check_log): Documenation comment. Coding style fix.
10791         (is_unnecessary_except_errno_call): Ditto.
10792         (gen_conditions_for_pow): Ditto.
10793         (gen_conditions_for_log): Ditto.
10794         (gen_shrink_wrap_conditions): Ditto.
10795         (shrink_wrap_one_built_in_calls): Ditto.
10796         * gcc/doc/invoke.texi: Better documentation string.
10797         * ChangeLog: Fix wrong change log entries from
10798         May 17 checkin on function call DCE.
10799
10800 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
10801
10802         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
10803
10804 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
10805
10806         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
10807         * df-problems.c (simulation routines): Fixed block comment to
10808         properly say how to add forwards scanning functions.
10809
10810 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
10811
10812         * tree-inline.c (setup_one_parameter): Remove dead code.
10813
10814 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
10815
10816         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
10817         a BIT_AND_EXPR only for an INTEGER_TYPE.
10818
10819 2008-05-17 Xinliang David Li   <davidxl@google.com>
10820
10821         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
10822         (check_pow, check_log, is_unnecessary_except_errno_call): New
10823         functions to check for eliminating math functions that are pure
10824         except for setting errno.
10825         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
10826         general condition expressions for shrink-wrapping pow/log calls.
10827         (gen_shrink_wrap_conditions): Ditto.
10828         (shrink_wrap_one_built_in_call): Ditto.
10829         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
10830         (mark_operand_necessary): If debugging, output if OP is necessary.
10831         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
10832         unnecessary.
10833         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
10834         opt level >= 2.
10835         * gcc/common.opt: New user flag -ftree-builtin-dce.
10836         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
10837
10838 2008-05-16  David S. Miller  <davem@davemloft.net>
10839
10840         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
10841         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
10842
10843 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
10844
10845         PR target/36246
10846         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
10847
10848 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10849
10850         * ifcvt.c (dead_or_predicable): Rename
10851         df_simulate_one_insn_backwards to df_simulate_one_insn.
10852         * recog.c (peephole2_optimize): Ditto.
10853         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
10854         Ditto.
10855         * df.h: Rename df_simulate_one_insn_backwards to
10856         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
10857         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
10858         scanning of defs and uses.
10859         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
10860         (df_simulate_one_insn_forwards): Removed.
10861
10862 2008-05-16  Doug Kwan  <dougkwan@google.com>
10863
10864         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
10865         QNaN & SNaN.
10866         (real_from_string): Handle NaNs and Inf as approriate.
10867
10868 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
10869
10870         * doc/gty.texi (Source Files Containing Type Information): Note
10871         that headers should appear first in the gtfiles list.
10872
10873 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10874
10875         * tree.def (COND_EXEC): Properly documented this code.
10876
10877 2008-05-16  Diego Novillo  <dnovillo@google.com>
10878
10879         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
10880         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
10881         the new field.
10882
10883 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10884
10885         * tree-ssa-dse (max_stmt_uid): Removed.
10886         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
10887         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
10888         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
10889         * function.h (cfun.last_stmt_uid): New field.
10890         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
10891         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
10892         New functions.
10893         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
10894         (create_stmt_ann): Initialize the ann->uid field.
10895         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
10896         with new calls.
10897         * tree-flow.h (renumber_gimple_stmt_uids): New function.
10898
10899 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
10900
10901         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
10902         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
10903         (init_empty_tree_cfg): Call it.
10904
10905 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10906
10907         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
10908         Update all users.
10909
10910 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10911
10912         * doc/invoke.text (-fdump-tree-*-verbose): New option.
10913         * tree-dump.c (dump_options): New verbose option.
10914         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
10915         Add verbose dump.
10916         * tree-pass.h (TDF_VERBOSE): New dump flag.
10917         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
10918         (tree-flow.h): Added include.
10919         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
10920
10921 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
10922
10923         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
10924
10925         From Jie Zhang  <jie.zhang@analog.com>
10926         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10927         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
10928         mcpu=bf561-none and mcpu=bf561-0.2.
10929         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10930         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
10931         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10932         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
10933         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
10934         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
10935         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
10936         option.
10937         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
10938         (cputype_selected): Remove.
10939         (bfin_handle_option): Don't use cputype_selected.
10940         (override_options): When no mcpu option, enable all workarounds.
10941         Don't use bfin_workarounds.
10942         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
10943         processor type.
10944         (DEFAULT_CPU_TYPE): Don't define.
10945
10946 2008-05-16  Richard Guenther  <rguenther@suse.de>
10947
10948         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
10949         on deletion of the last stmt.
10950
10951 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10952
10953         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
10954         V8HImode for SSE2 and V16QImode for SSE4.1.
10955
10956 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
10957
10958         * cgraph.h (compute_inline_parameters): Made public.
10959         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
10960         variable_generate_summary, function_write_summary,
10961         variable_write_summary, variable_read_summary.  Added generate_summary,
10962         write_summary, read_summary.
10963         * cgraphunit.c (cgraph_process_new_functions): Changed call from
10964         pass_ipa_inline.function_generate_summary, to
10965         compute_inline_parameters.
10966         * ipa-inline.c (compute_inline_parameters): Made public and added
10967         node parameter.
10968         (compute_inline_parameters_for_current): New function.
10969         (pass_inline_param): Now calls compute_inline_parameters_for_current.
10970         (inline_generate_summary): Removed parameter and made to loop over
10971         all cgraph nodes.
10972         (pass_ipa_inline): Updated for new IPA_PASS structure.
10973         * passes.c (execute_ipa_summary_passes): Now is called once per
10974         pass rather than once per node*pass.
10975
10976 2008-05-15  Anatoly Sokolov <aesok@post.ru>
10977
10978         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
10979         avr_have_mul_p, avr_asm_only_p): Remove variables.
10980         (avr_override_options): Remove initialization of removed variables.
10981         (avr_file_start):  Convert removed variables to fields of
10982         'struct base_arch_s *avr_current_arch'.
10983         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
10984         (AVR_HAVE_MUL): (Ditto.).
10985         (AVR_HAVE_MOVW): (Ditto.).
10986         (AVR_HAVE_LPMX): (Ditto.).
10987         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
10988         avr_asm_only_p): Remove declaration.
10989
10990 2008-05-15  Diego Novillo  <dnovillo@google.com>
10991
10992         * config/arm/arm.c (arm_return_in_memory): Fix return type.
10993         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
10994
10995 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
10996
10997         PR middle-end/36194
10998         * combine.c (check_conversion): Rename back to check_promoted_subreg.
10999         Don't call record_truncated_value from here.
11000         (record_truncated_value): Turn it into a for_each_rtx callback.
11001         (record_truncated_values): New function.
11002         (combine_instructions): Call note_uses with record_truncated_values.
11003         Change name of check_conversion to check_promoted_subreg.
11004
11005 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
11006
11007         * doc/sourcebuild.texi: Document support for torture tests.
11008
11009 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
11010
11011         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
11012         to alternative 4 of operand 2.
11013
11014 2008-05-15  Richard Guenther  <rguenther@suse.de>
11015
11016         * tree-pass.h (current_pass): Declare.
11017         (get_pass_for_id): Likewise.
11018         * passes.c (passes_by_id, passes_by_id_size): New globals.
11019         (set_pass_for_id): New function.
11020         (get_pass_for_id): Likewise.
11021         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
11022         (execute_function_todo): Flush per function statistics.
11023         * toplev.c (compile_file): Init statistics.
11024         (general_init): Do early statistics initialization.
11025         (finalize): Finish statistics.
11026         * statistics.h (statistics_early_init): Declare.
11027         (statistics_init): Likewise.
11028         (statistics_fini): Likewise.
11029         (statistics_fini_pass): Likewise.
11030         (statistics_counter_event): Likewise.
11031         (statistics_histogram_event): Likewise.
11032         * statistics.c: New file.
11033         * Makefile.in (OBJS-common): Add statistics.o.
11034         (statistics.o): Add dependencies.
11035         * doc/invoke.texi (-fdump-statistics): Document.
11036
11037         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
11038         (insert): Likewise.
11039         (execute_pre): Use statistics_counter_event.
11040         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
11041         (substitute_and_fold): Increment it.  Use statistics_counter_event.
11042
11043 2008-05-15  Diego Novillo  <dnovillo@google.com>
11044
11045         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
11046
11047         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
11048         * tree-ssa-alias.c (new_type_alias): Remove references to
11049         sub-variables from comment.
11050         * tree-ssa-operands.c (swap_tree_operands): Likewise.
11051
11052 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
11053
11054         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
11055         attribute to 1 only for insertps alternative.
11056
11057 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
11058
11059         * config/bfin/bfin.md (loadbytes): New pattern.
11060         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
11061         (bfin_init_builtins): Initialize it.
11062         (bdesc_1arg): Add it.
11063
11064 2008-05-15  Sa Liu  <saliu@de.ibm.com>
11065
11066         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
11067         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
11068         * testsuite/lib/target-supports.exp: Add
11069         check_effective_target_fortran_integer_16.
11070
11071 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
11072
11073         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
11074         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
11075         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
11076         (TARGET_RETURN_IN_MEMORY): Define.
11077
11078 2008-05-15  Richard Guenther  <rguenther@suse.de>
11079
11080         PR middle-end/36244
11081         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
11082         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
11083         represent unmodifiable vars.
11084
11085 2008-05-15  Richard Guenther  <rguenther@suse.de>
11086
11087         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
11088         INDIRECT_REF and TARGET_MEM_REF.
11089         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
11090         TARGET_MEM_REF.
11091
11092 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
11093             H.J. Lu  <hongjiu.lu@intel.com>
11094
11095         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
11096         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
11097         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
11098         insn alternatives.  Add missing alternatives.
11099         (*vec_concatv2di_rex64_sse4_1): Likewise.
11100         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
11101         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
11102         Require TARGET_SSE.
11103
11104 2008-05-15  Richard Guenther  <rguenther@suse.de>
11105
11106         PR tree-optimization/36009
11107         PR tree-optimization/36204
11108         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
11109         (determine_invariantness_stmt): Record the loop a store is
11110         always executed in.
11111         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
11112         dependency.
11113
11114 2008-05-15  Richard Guenther  <rguenther@suse.de>
11115
11116         PR tree-optimization/34330
11117         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
11118         through the pointer will alias the SMT.
11119
11120 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
11121
11122         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
11123
11124 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
11125
11126         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
11127
11128 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11129             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
11130
11131         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
11132         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
11133         (vashl_optab): New optab for vector/vector shifts.
11134         (vashr_optab): Ditto.
11135         (vlshr_optab): Ditto.
11136         (vrotl_optab): Ditto.
11137         (vrotr_optab): Ditto.
11138         (optab_subtype): New enum for optab_for_tree_code call.
11139         (optab_for_tree_code): Add enum optab_subtype argument.
11140
11141         * optabs.c (optab_for_tree_code): Take an additional argument to
11142         distinguish between a vector shift by a scalar and vector shift by
11143         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
11144         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
11145         vector shift by a vector.
11146         (expand_widen_pattern_expr): Pass additional argument to
11147         optab_for_tree_code.
11148
11149         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
11150         vrotl_optab, vrotr_optab.
11151
11152         * expr.c (expand_expr_real_1): Update calls to
11153         optab_for_tree_code to distinguish between vector shifted by a
11154         scalar and vector shifted by a vector.
11155         * tree-vectorizer.c (supportable_widening_operation): Ditto.
11156         (supportable_narrowing_operation): Ditto.
11157         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
11158         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
11159         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
11160         (vect_create_epilog_for_reduction): Ditto.
11161         (vectorizable_reduction): Ditto.
11162         (vectorizable_operation): Ditto.
11163         (vect_strided_store_supported): Ditto.
11164         (vect_strided_load_supported): Ditto.
11165         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
11166         * expmed.c (expand_shift): Ditto.
11167
11168         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
11169         scalar type.
11170         (ashr@var{m}3): Ditto.
11171         (vashl@var{m}3): Document new vector/vector shift standard name.
11172         (vashr@var{m}3): Ditto.
11173         (vlshr@var{m}3): Ditto.
11174         (vrotl@var{m}3): Ditto.
11175         (vrotr@var{m}3): Ditto.
11176
11177         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
11178         (PPERM_INVERT): Ditto.
11179         (PPERM_REVERSE): Ditto.
11180         (PPERM_REV_INV): Ditto.
11181         (PPERM_ZERO): Ditto.
11182         (PPERM_ONES): Ditto.
11183         (PPERM_SIGN): Ditto.
11184         (PPERM_INV_SIGN): Ditto.
11185         (PPERM_SRC1): Ditto.
11186         (PPERM_SRC2): Ditto.
11187
11188         * config/i386/sse.md (mulv2di3): Add SSE5 support.
11189         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
11190         allows a memory operand to be the value being added, and split it
11191         to improve vectorization.
11192         (sse5_pmacsdqh_mem): Ditto.
11193         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
11194         (sse5_mulv2div2di3_high): Ditto.
11195         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
11196         (vec_pack_trunc_v4si): Ditto.
11197         (vec_pack_trunc_v2di): Ditto.
11198         (sse5_pcmov_<mode>): Remove code that tried to use use
11199         andps/andnps instead of pcmov.
11200         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
11201         pmacsdqh instructions.
11202         (vec_widen_smult_lo_v4si): Ditto.
11203
11204         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
11205         (PPERM_INVERT): Ditto.
11206         (PPERM_REVERSE): Ditto.
11207         (PPERM_REV_INV): Ditto.
11208         (PPERM_ZERO): Ditto.
11209         (PPERM_ONES): Ditto.
11210         (PPERM_SIGN): Ditto.
11211         (PPERM_INV_SIGN): Ditto.
11212         (PPERM_SRC1): Ditto.
11213         (PPERM_SRC2): Ditto.
11214         (ix86_expand_sse_movcc): Move the SSE5 test after the if
11215         true/false tests.
11216         (ix86_expand_int_vcond): If SSE5 generate all possible integer
11217         comparisons.
11218         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
11219         says ignore whether the last reference is a memory operand.
11220
11221 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11222             Paolo Bonzini <bonzini at gnu dot org>
11223
11224         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
11225         shift patterns.
11226
11227         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
11228         (vlshr<mode>3): Rename from vlshr<mode>3.
11229         (vashr<mode>3): Rename from vashr<mode>3.
11230         (mulv4sf3): Change the names of vector shift patterns.
11231         (mulv4si3): Ditto.
11232         (negv4sf2): Ditt.
11233
11234         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
11235         shift insns.
11236
11237         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
11238         (SI_SHLHI): Ditto.
11239         (SI_SHL): Ditto.
11240         (SI_SHLI): Ditto.
11241         (SI_ROTH): Ditto.
11242         (SI_ROTHI): Ditto.
11243         (SI_ROT): Ditto.
11244         (SI_ROTI): Ditto.
11245         (SPU_RL_0): Ditto.
11246         (SPU_RL_1): Ditto.
11247         (SPU_RL_2): Ditto.
11248         (SPU_RL_3): Ditto.
11249         (SPU_RL_4): Ditto.
11250         (SPU_RL_5): Ditto.
11251         (SPU_RL_6): Ditto.
11252         (SPU_RL_7): Ditto.
11253         (SPU_SL_0): Ditto.
11254         (SPU_SL_1): Ditto.
11255         (SPU_SL_2): Ditto.
11256         (SPU_SL_3): Ditto.
11257         (SPU_SL_4): Ditto.
11258         (SPU_SL_5): Ditto.
11259         (SPU_SL_6): Ditto.
11260         (SPU_SL_7): Ditto.
11261
11262         * config/spu/spu.md (v): New iterator macro to add v for vector types.
11263         (floatunssidf2_internal): Change vector/vector shift names.
11264         (floatunsdidf2_internal): Ditto.
11265         (mulv8hi3): Ditto.
11266         (ashrdi3): Ditto.
11267         (ashrti3): Ditto.
11268         (cgt_df): Ditto.
11269         (cgt_v2df): Ditto.
11270         (dftsv): Ditto.
11271         (vashl<mode>3): Rename from ashl<mode>3.
11272         (vashr<mode>3): Rename from ashr<mode>3.
11273         (vlshr<mode>3): Rename from lshr<mode>3.
11274         (vrotl<mode>3): Rename from rotl<mode>3.
11275
11276 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11277
11278         PR target/36224
11279         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
11280         multiply gives the wrong value when doing widening multiplies.
11281         (vec_widen_smult_lo_v4si): Ditto.
11282
11283 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11284
11285         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
11286         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
11287         emit_library_call_value.
11288         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
11289         * tree.h (ECF_LIBCALL_BLOCK): Removed.
11290         * calls.c (initialize_argument_information, precompute_arguments,
11291         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
11292         (precompute_arguments): Removed flags parameter.
11293         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
11294
11295 2008-05-14  Richard Guenther  <rguenther@suse.de>
11296
11297         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
11298         Make sure to register the store if the use is a PHI_NODE.
11299
11300 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11301
11302         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
11303         memory if the component is to be referenced in BLKmode according
11304         to get_inner_reference.
11305
11306 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
11307
11308         * calls.c (emit_library_call_value_1): Restore code clearing
11309         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
11310
11311 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11312             Nicolas Roche  <roche@adacore.com>
11313
11314         * configure.ac: Add support for a "gcc_subdir" variable in
11315         config-lang.in, to denote a subdirectory where the language/GCC
11316         integration files are to be found.
11317         * configure: Regenerate.
11318
11319 2008-05-14  Ira Rosen  <irar@il.ibm.com>
11320
11321         PR tree-optimization/36098
11322         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
11323         value for the first load in the group in case of a gap.
11324         (vect_build_slp_tree): Check that there are no gaps in loads.
11325
11326 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11327
11328         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
11329         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
11330         expand_copysign_bit, ): Change call to emit_no_conflict_block to
11331         emit_insn and remove unneeded code to construct extra args.
11332         (emit_no_conflict_block): Removed.
11333         * optabls.h: (emit_no_conflict_block): Removed.
11334         * cse.c (cse_extended_basic_block): Remove search for
11335         REG_NO_CONFLICT note.
11336         * global.c: Removed incorrect comment added in revision 117.
11337         * expr.c (convert_move): Change call to emit_no_conflict_block to
11338         emit_insn.
11339         * recog.c: Change comments so that they do not mention
11340         REG_NO_CONFLICT.
11341         * local_alloc.c (combine_regs): Removed last parameter.
11342         (no_conflict_p): Removed.
11343         (block_alloc): Removed note, no_conflict_combined_regno and set
11344         local vars. Removed all code to process REG_NO_CONFLICT blocks.
11345         (combine_regs): Removed already_dead and code to look for
11346         REG_NO_CONFLICT notes.
11347         * lower_subreg (remove_retval_note): Removed code to look for
11348         REG_NO_CONFLICT block.
11349         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
11350         (resolve_clobber): Remove code to process libcalls that have
11351         REG_NO_CONFLICT notes.
11352         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
11353         case.
11354         * combine.c (can_combine_p, distribute_notes):  Removed
11355         REG_NO_CONFLICT case.
11356         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
11357         to emit_insns.
11358         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
11359         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
11360         Ditto.
11361         * reg-notes.def (NO_CONFLICT): Removed.
11362
11363 2008-05-14  David S. Miller  <davem@davemloft.net>
11364
11365         * config/sparc/sparc.c (sparc_profile_hook): If
11366         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
11367         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
11368         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
11369
11370 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11371
11372         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
11373
11374 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
11375
11376         PR target/36222
11377         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
11378         and op1 expansion before vector concat to have less live pseudos.
11379
11380 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
11381
11382         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
11383         ix86_expand_vector_set if supported.
11384
11385 2008-05-13  Diego Novillo  <dnovillo@google.com>
11386             Kenneth Zadeck  <zadeck@naturalbridge.com>
11387
11388         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
11389
11390         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
11391         phinodes_print_statistics, init_ssanames, fini_ssanames,
11392         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
11393         release_ssa_name, release_defs, replace_ssa_name_symbol,
11394         ssanames_print_statistics): Move ...
11395         * tree-flow.h: ... here.
11396         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
11397         Use FN instead of cfun.
11398         (make_ssa_name_fn): Rename from make_ssa_name.
11399         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
11400         * tree-flow-inline.h (make_ssa_name): Move from
11401         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
11402         * omp-low.c (expand_omp_parallel):
11403         * tree-flow-inline.h (redirect_edge_var_map_result):
11404         * tree-ssa.c (init_tree_ssa): Add argument FN.
11405         Use it instead of cfun.  Update all users.
11406
11407 2008-05-13  Tom Tromey  <tromey@redhat.com>
11408
11409         PR preprocessor/22168:
11410         * doc/cpp.texi (Top): Update menu.
11411         (Alternatives to Wrapper #ifndef): New node.
11412         (Other Directives): Document deprecation.
11413         (Obsolete Features): Remove menu.
11414         (Assertions): Merge node into Obsolete Features.
11415         (Obsolete once-only headers): Move earlier; rename to Alternatives
11416         to Wrapper #ifndef.
11417         * doc/cppopts.texi: Update.
11418         * c.opt (Wdeprecated): Enable for C and ObjC.
11419         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
11420         (C++ Dialect Options): Move -Wno-deprecated from here to...
11421         (Warning Options): ... here.
11422
11423 2008-05-13  Richard Guenther  <rguenther@suse.de>
11424
11425         PR middle-end/36227
11426         * fold-const.c (fold_sign_changed_comparison): Do not allow
11427         changes in pointer-ness.
11428
11429 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11430
11431         PR target/24713
11432         * config/sh/sh.c (sh_expand_prologue): Don't clear
11433         RTX_FRAME_RELATED_P for push insns.
11434
11435 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
11436
11437         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
11438
11439 2008-05-12  Anatoly Sokolov <aesok@post.ru>
11440
11441         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
11442         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
11443         Use 'machine->is_leaf' instead of 'leaf_func_p'.
11444
11445 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
11446
11447         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
11448         (*vec_concatv4sf_sse): This.
11449         (*sse2_concatv2si): Renamed to ...
11450         (*vec_concatv2si_sse2): This.
11451         (*sse1_concatv2si): Renamed to ...
11452         (*vec_concatv2si_sse): This.
11453         (*vec_concatv2di_rex): Renamed to ...
11454         (*vec_concatv2di_rex64): This.
11455         (*vec_concatv2si_sse4_1): New.
11456         (*vec_concatv2di_rex64_sse4_1): Likewise.
11457
11458 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
11459
11460         PR rtl-optimization/36111
11461         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
11462         that was created for swappable operands.
11463
11464 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
11465
11466         PR ada/36001
11467         * Makefile.in: Substitute GNATMAKE and GNATBIND.
11468         * configure.ac: Add call to ACX_PROG_GNAT.
11469
11470 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
11471
11472         * optc-gen.awk: Fix comment typo.
11473
11474 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
11475
11476         * pretty-print.c (pp_integer_with_precision): Use
11477         HOST_LONG_LONG_FORMAT.
11478
11479 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
11480
11481         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
11482
11483 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
11484
11485         * config/i386/i386.c (bdesc_ptest): Removed.
11486         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
11487         (bdesc_args): Add __builtin_ia32_ptestz128,
11488         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
11489         (ix86_init_mmx_sse_builtins): Updated.
11490         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
11491         (ix86_expand_builtin): Updated.
11492
11493 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
11494
11495         * tree-cfg.c (valid_fixed_convert_types_p): New function.
11496         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
11497
11498 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
11499
11500         * value-prof.c (interesting_stringop_to_profile): Do not
11501         return early for BUILT_IN_MEMPCPY.
11502
11503 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
11504
11505         * calls.c (expand_call): Don't use callgraph to increase
11506         preferred_stack_boundary.
11507
11508         * cgraph.h (cgraph_rtl_info): Use unsigned on
11509         preferred_incoming_stack_boundary.
11510
11511         * final.c (rest_of_clean_state): Use unsigned on
11512         preferred_stack_boundary.
11513
11514 2008-05-09  Tom Tromey  <tromey@redhat.com>
11515
11516         PR preprocessor/22231:
11517         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
11518         proceeding.
11519
11520 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
11521
11522         PR tree-optimization/36129
11523         * tree-ssa-ccp.c: Include value-prof.h.
11524         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
11525         built-in function was folded to a constant.
11526         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
11527
11528 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
11529             Sebastian Pop  <sebastian.pop@amd.com>
11530
11531         * tree-scalar-evolution.c: Document instantiate_scev.
11532         (instantiate_parameters_1): Renamed instantiate_scev_1.
11533         Don't use the same loop for instantiation_loop and evolution_loop.
11534         (instantiate_scev): New.
11535         (instantiate_parameters): Moved...
11536         (resolve_mixers): Update call to instantiate_scev_1 to pass the
11537         same loop twice.  Maintains the semantics for this function.
11538         * tree-scalar-evolution.h (instantiate_scev): Declare.
11539         (instantiate_parameters): ...here.  Now static inline.
11540         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
11541         instead of resolve_mixers.
11542
11543 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
11544
11545         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
11546
11547 2008-05-09  Tomas Bily  <tbily@suse.cz>
11548
11549         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
11550         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
11551         * tree-ssa-structalias.c (get_constraint_for): Likewise.
11552         * c-common.c (c_common_truthvalue_conversion): Likewise.
11553         * tree-object-size.c (compute_object_offset): Likewise.
11554         * tree-inline.c (estimate_num_insns_1): Likewise.
11555         * varasm.c (const_hash_1, compare_constant, copy_constant)
11556         (compute_reloc_for_constant, output_addressed_constants)
11557         (initializer_constant_valid_p): Likewise.
11558         * c-omp.c (check_omp_for_incr_expr): Likewise.
11559         * gimplify.c (gimplify_expr): Likewise.
11560         * c-typeck.c (c_finish_return): Likewise.
11561         * tree-vectorizer.c (supportable_widening_operation)
11562         (supportable_narrowing_operation): Likewise.
11563         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
11564         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
11565         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11566         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
11567         (descr_info_loc): Likewise.
11568         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
11569         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
11570         (fold_unary): Likewise.
11571         * builtins.c (get_pointer_alignment): Likewise.
11572         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
11573         (instantiate_parameters_1): Likewise.
11574         * tree.c (expr_align, stabilize_reference): Likewise.
11575         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
11576         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
11577         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
11578         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
11579         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
11580         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
11581         Likewise.
11582         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
11583         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
11584         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
11585         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
11586         (forward_propagate_comparison)
11587         (tree_ssa_forward_propagate_single_use_vars): Likewise.
11588         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
11589         * emit-rtl.c (component_ref_for_mem_expr)
11590         (set_mem_attributes_minus_bitpos): Likewise.
11591         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
11592         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
11593         Likewise.
11594         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
11595         (build_function_call, pointer_diff, build_compound_expr)
11596         (c_finish_return): Likewise.
11597         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
11598         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
11599         Likewise.
11600         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
11601         * expr.c (is_aligning_offset): Likewise.
11602         * tree-ssa-alias.c (is_escape_site): Likewise.
11603         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
11604         (check_all_va_list_escapes): Likewise.
11605         * tree-ssa-loop-ivopts.c (determine_base_object)
11606         (determine_common_wider_type): Likewise.
11607         * dojump.c (do_jump): Likewise.
11608         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
11609         * tree-gimple.c (is_gimple_cast): Likewise.
11610         * fold-const.c (decode_field_reference, )
11611         (fold_sign_changed_comparison, fold_unary, fold_comparison)
11612         (fold_binary): Likewise.
11613         * tree-ssa-alias-warnings.c (find_alias_site_helper)
11614         (already_warned_in_frontend_p): Likewise.
11615         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
11616         * tree.c (really_constant_p, get_unwidened): Likewise.
11617         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
11618         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
11619         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
11620         Likewise.
11621         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
11622         CONVERT_EXPR_P.
11623         (CONVERT_EXPR_P): Define.
11624         (CASE_CONVERT): Define.
11625
11626 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
11627
11628         PR middle-end/36117
11629         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
11630         (delete_unmarked_insns): When deleting a call, call
11631         delete_unreachable_blocks.
11632         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
11633         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
11634
11635 2008-05-08  Richard Guenther  <rguenther@suse.de>
11636
11637         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
11638         (-ftree-salias): Likewise.
11639         (salias-max-implicit-fields): Remove param documentation.
11640         (salias-max-array-elements): Likewise.
11641         * tree-pass.h (pass_create_structure_vars): Remove.
11642         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11643         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11644         * tree-ssa-alias.c (create_structure_vars): Remove.
11645         (gate_structure_vars): Likewise.
11646         (pass_create_structure_vars): Likewise.
11647         (gate_build_alias): Likewise.
11648         (pass_build_alias): Adjust to run always and dump the function.
11649         * common.opt (ftree-salias): Hide.
11650         * passes.c (init_optimization_passes): Remove
11651         pass_create_structure_vars, adjust comment.
11652         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11653         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11654         * opts.c (decode_options): Do not set flag_tree_salias.
11655         (common_handle_option): Add OPT_ftree_salias to the backward
11656         compatibility section.
11657
11658 2008-05-08  Richard Guenther  <rguenther@suse.de>
11659
11660         * tree-flow-inline.h (var_can_have_subvars): Move ...
11661         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
11662         * tree-flow.h (var_can_have_subvars): Remove.
11663         (push_fields_onto_fieldstack): Remove.
11664         (sort_fieldstack): Likewise.
11665         (struct fieldoff): Move ...
11666         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
11667         alias_set and base_for_components fields.
11668         (sort_fieldstack): Make static.
11669         (push_fields_onto_fieldstack): Likewise.  Remove code that
11670         handles anything but RECORD_TYPEs.  Remove alias_set and
11671         base_for_components handling.
11672         (create_variable_info_for): Adjust.
11673
11674 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
11675
11676         * common.opt (Wframe-larger-than=): Shorten the help message
11677         to one line.
11678         * doc/invoke.texi (Wframe-larger-than=): Add more description.
11679
11680 2008-05-08  Rafael Espindola  <espindola@google.com>
11681
11682         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
11683         trap.
11684         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
11685         trap and that both operands are gimple values.
11686         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
11687         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
11688         is a fp operation.
11689
11690 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11691
11692         * read-rtl.c (join_c_conditions): Return the first string if the
11693         two strings are equal.
11694
11695 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11696
11697         * gensupport.h (pred_data): Add a "num_codes" field.
11698         (add_predicate_code): Declare.
11699         * gensupport.c (add_predicate_code): New function.
11700         (std_pred_table): Add an "allows_const_p" field.
11701         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
11702         Remove the (incomplete) list of such codes from the codes field.
11703         (init_predicate_table): Use add_predicate_code.  Add all
11704         RTX_CONST_OBJs if allows_const_p is true.
11705         * genrecog.c (process_define_predicate): Use add_predicate_code.
11706
11707 2008-05-08  David Daney  <ddaney@avtrex.com>
11708             Richard Sandiford  <rsandifo@nildram.co.uk>
11709
11710         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
11711         special case of constant zero operands.
11712         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
11713         old and new values.  Special case constant zero values.
11714         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
11715         fails.
11716         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
11717         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
11718
11719 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
11720
11721         PR target/36090
11722         * simplify-rtx.c (simplify_plus_minus): Create CONST of
11723         similar RTX_CONST_OBJ before CONST_INT.
11724
11725 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
11726
11727         * stmt.c (expand_stack_restore): Change sa mode if needed.
11728
11729 2008-05-08  Richard Guenther  <rguenther@suse.de>
11730
11731         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
11732         return type to bool.
11733         (ix86_sol10_return_in_memory): Likewise.
11734         (ix86_i386elf_return_in_memory): Likewise.
11735         (ix86_i386interix_return_in_memory): Likewise.
11736         * config/i386/i386.c (ix86_return_in_memory): Likewise.
11737         (ix86_sol10_return_in_memory): Likewise.
11738         (ix86_i386elf_return_in_memory): Likewise.
11739         (ix86_i386interix_return_in_memory): Likewise.
11740
11741 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
11742
11743         PR bootstrap/36180
11744         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
11745         fndecl argument.
11746         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
11747         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
11748         declared in front.
11749
11750 2008-05-08  Richard Guenther  <rguenther@suse.de>
11751
11752         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
11753         * tree-data-ref.h (struct dr_alias): Remove subvars field.
11754         (DR_SUBVARS): Remove.
11755         * tree-dfa.c (dump_subvars_for): Remove.
11756         (debug_subvars_for): Likewise.
11757         (dump_variable): Do not dump subvars.
11758         (remove_referenced_var): Do not remove subvars.
11759         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
11760         (lookup_subvars_for_var): Remove.
11761         (get_subvars_for_var): Likewise.
11762         (get_subvars_at): Likewise.
11763         (get_first_overlapping_subvar): Likewise.
11764         (overlap_subvar): Likewise.
11765         * tree-flow.h (subvar_t): Remove.
11766         (struct var_ann_d): Remove subvars field.
11767         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
11768         argument.  Remove special handling of SFTs.
11769         (compute_tag_properties): Likewise.
11770         (set_initial_properties): Likewise.
11771         (compute_call_clobbered): Likewise.
11772         (count_mem_refs): Likewise.
11773         (compute_memory_partitions): Likewise.
11774         (compute_flow_insensitive_aliasing): Likewise.
11775         (setup_pointers_and_addressables): Likewise.
11776         (new_type_alias): Likewise.
11777         (struct used_part): Remove.
11778         (used_portions): Likewise.
11779         (struct used_part_map): Likewise.
11780         (used_part_map_eq): Likewise.
11781         (used_part_map_hash): Likewise.
11782         (free_used_part_map): Likewise.
11783         (up_lookup): Likewise.
11784         (up_insert): Likewise.
11785         (get_or_create_used_part_for): Likewise.
11786         (create_sft): Likewise.
11787         (create_overlap_variables_for): Likewise.
11788         (find_used_portions): Likewise.
11789         (create_structure_vars): Likewise.
11790         * tree.def (STRUCT_FIELD_TAG): Remove.
11791         * tree.h (MTAG_P): Adjust.
11792         (struct tree_memory_tag): Remove base_for_components and
11793         unpartitionable flags.
11794         (struct tree_struct_field_tag): Remove.
11795         (SFT_PARENT_VAR): Likewise.
11796         (SFT_OFFSET): Likewise.
11797         (SFT_SIZE): Likewise.
11798         (SFT_NONADDRESSABLE_P): Likewise.
11799         (SFT_ALIAS_SET): Likewise.
11800         (SFT_UNPARTITIONABLE_P): Likewise.
11801         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
11802         (union tree_node): Remove sft field.
11803         * alias.c (get_alias_set): Remove special handling of SFTs.
11804         * print-tree.c (print_node): Remove handling of SFTs.
11805         * tree-dump.c (dequeue_and_dump): Likewise.
11806         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
11807         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
11808         * tree-predcom.c (set_alias_info): Do not set subvars.
11809         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
11810         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
11811         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
11812         (add_vars_for_offset): Remove.
11813         (add_virtual_operand): Remove special handling of SFTs.
11814         (add_call_clobber_ops): Likewise.
11815         (add_call_read_ops): Likewise.
11816         (get_asm_expr_operands): Likewise.
11817         (get_modify_stmt_operands): Likewise.
11818         (get_expr_operands): Likewise.
11819         (add_to_addressable_set): Likewise.
11820         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
11821         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
11822         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
11823         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
11824         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
11825         (tree_node_structure): Likewise.
11826         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
11827         handling of SFTs.
11828         (find_what_p_points_to): Likewise.
11829
11830 2008-05-08  Sa Liu  <saliu@de.ibm.com>
11831
11832         * config/spu/spu.md: Fixed subti3 pattern.
11833
11834 2008-05-08  Richard Guenther  <rguenther@suse.de>
11835
11836         PR middle-end/36154
11837         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
11838         sure to create a representative for trailing arrays for PTA.
11839
11840 2008-05-08  Richard Guenther  <rguenther@suse.de>
11841
11842         PR middle-end/36172
11843         * fold-const.c (operand_equal_p): Two objects which types
11844         differ in pointerness are not equal.
11845
11846 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
11847
11848         * calls.c (compute_argument_block_size): Add argument tree fndecl.
11849         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
11850         (emit_library_call_value_1): Add new variable fndecl initialized by
11851         NULL_TREE. It should be the decl type of orgfun, but this information
11852         seems not to be available here, so it uses the default calling abi.
11853         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
11854         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
11855         by TARGET_RETURN_IN_MEMORY.
11856         * config/i386/i386-interix.h: Likewise.
11857         * config/i386/i386.h: Likewise.
11858         * config/i386/i386elf.h: Likewise.
11859         * config/i386/ptx4-i.h: Likewise.
11860         * config/i386/sol2-10.h: Likewise.
11861         * config/i386/sysv4.h: Likewise.
11862         * config/i386/vx-common.h: Likewise.
11863         * config/cris/cris.h: Removed #if 0 clause.
11864         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
11865         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
11866         argument.
11867         (ix86_sol10_return_in_memory): Likewise.
11868         (ix86_i386elf_return_in_memory): New.
11869         (ix86_i386interix_return_in_memory): New.
11870         * config/mt/mt-protos.h (mt_return_in_memory): New.
11871         * config/mt/mt.c: Likewise.
11872         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
11873         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
11874         * config/bfin/bfin.h: Likewise.
11875         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
11876         argument.
11877         * config/bfin/bfin.c: Likewise.
11878         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
11879         * config/alpha/unicosmk.h: Likewise.
11880         * config/i386/cygming.h: Likewise.
11881         * config/iq2000/iq2000.h: Likewise.
11882         * config/mips/mips.h: Likewise.
11883         * config/mn10300/mn10300.h: Likewise.
11884         * config/rs6000/rs6000.h: Likewise.
11885         * config/score/score.h: Likewise.
11886         * config/spu/spu.h: Likewise.
11887         * config/v850/v850.h: Likewise.
11888         * defaults.h: Likewise.
11889         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
11890         * expr.c (emit_block_move): Adjust use of
11891         OUTGOING_REG_PARM_STACK_SPACE.
11892         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
11893         OUTGOING_REG_PARM_STACK_SPACE.
11894         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
11895
11896 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
11897
11898         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
11899         on OMP_RETURN for OMP_FOR.
11900
11901         PR debug/35896
11902         * dwarf2out.c (dw_expand_expr, common_check): Removed.
11903         (fortran_common): New function.
11904         (gen_variable_die): Call fortran_common instead of common_check,
11905         adjust for it returning tree instead of rtx.  Formatting.
11906
11907 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
11908
11909         PR rtl/7335
11910         PR rtl/33826
11911         * see.c (see_copy_insn): Copy new pure const attributes for new call.
11912         * c-decl.c (merge_decls): Ditto.
11913         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
11914         to RTL_CONST_OR_PURE_CALL_P.
11915         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
11916         Initialized DECL_LOOPING_CONST_PURE.
11917         (process_call_operands): Set tree_side_effects properly.
11918         * tree.h (TREE_READONLY_DECL_P): Removed.
11919         (DECL_IS_PURE): Renamed to DECL_PURE_P.
11920         (DECL_LOOPING_OR_CONST_P): New macro.
11921         (struct tree_function_decl): Added looping_const_or_pure_p.
11922         (ECF_*) Renumbered.
11923         (ECF_LOOPING_OR_CONST_P): New macro.
11924         * rtlanal.c (pure_const_p): Removed.
11925         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
11926         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
11927         to RTL_CONST_CALL_P.
11928         * ipa-pure-const.c (pure_const_state_e): Added looping field.
11929         (check_decl, check_tree, check_call, scan_function): Initialize
11930         looping.
11931         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
11932         (static_execute): Set looping true for recursive functions.
11933         Undo setting state to IPA_NEITHER for recursive functions.
11934         * cse.c (cse_insn):
11935         * ifcvt.c (noce_can_store_speculate_p): Changed
11936         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
11937         RTL_CONST_OR_PURE_CALL_P.
11938         * dse.c (scan_insn): Ditto.
11939         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
11940         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
11941         RTL_CONST_OR_PURE_CALL_P.
11942         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
11943         pure_call_p to RTL_CONST_CALL_P.
11944         * gimplify.c (gimplify_call_expr): Clear side effects for
11945         non-looping pure and constant calls.
11946         * calls.c (emit_call_1): Set rtl flags from ecf flags.
11947         (flags_from_decl_or_type): Set ecf flags from decl flags.
11948         (initialize_argument_information): Turn off
11949         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
11950         Change const to pure if callee_copies is true rather than just
11951         turning off const.
11952         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
11953         way of marking pure calls.
11954         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
11955         Remove hack that was supposed to fix pr7335 and remove old
11956         way of marking pure calls.
11957         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
11958         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
11959         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
11960         RTL_CONST_OR_PURE_CALL_P.
11961         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
11962         * loop-invariant.c (find_exits, find_invariant_bb): Changed
11963         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
11964         * sched-deps.c (schedule_analyze): Ditto.
11965         * rtl.h (struct rtx_def): Use call field, unchanging field, and
11966         return_val field of calls to represent pure and const function info.
11967         (CONST_OR_PURE_CALL_P): Deleted macro.
11968         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
11969         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
11970         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
11971         TREE_READONLY.
11972         * tree-optimize.c (execute_fixup_cfg): Added test for
11973         ECF_LOOPING_CONST_OR_PURE.
11974         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
11975         DECL_PURE_P.
11976         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
11977         effects for looping pure or const calls.
11978         (verify_gimple_expr): Added verification code.
11979         * config/alpha/alpha.c (alpha_legitimize_address,
11980         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
11981         RTL_CONST_CALL_P.
11982         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
11983         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
11984         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
11985         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
11986         RTL_CONST_OR_PURE_CALL_P.
11987         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
11988         and const calls to be deleted.
11989
11990 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
11991
11992         PR target/35714
11993         * config/i386/mmx.md (mmx_subv2sf3): New expander.
11994         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
11995         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
11996         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
11997         to handle nonimmediate operands.
11998         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
11999         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
12000         to handle nonimmediate operands.
12001         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
12002         (mmx_pmulhrwv4hi3): New expander.  Use
12003         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12004         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
12005         (sse2_umulv1siv1di3): New expander.  Use
12006         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12007         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
12008         (mmx_eq<mode>3): New expander.  Use
12009         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12010         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
12011         (mmx_uavgv8qi3): New expander.  Use
12012         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12013         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
12014         (mmx_uavgv4hi3): New expander.  Use
12015         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12016
12017         * config/i386/sse.md
12018         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
12019         to handle nonimmediate operands.
12020         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
12021         to handle nonimmediate operands.
12022         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
12023         to handle nonimmediate operands.
12024         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
12025         to handle nonimmediate operands.
12026         (sse2_unpckhpd_exp): New expander.  Use
12027         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12028         (sse2_unpcklpd_exp): New expander.  Use
12029         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12030         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
12031         to handle nonimmediate operands.
12032         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
12033         to handle nonimmediate operands.
12034         (*sse2_<plusminus_insn><mode>3): Rename from
12035         sse2_<plusminus_insn><mode>3 insn pattern.
12036         (sse2_<plusminus_insn><mode>3): New expander.  Use
12037         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12038         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
12039         (sse2_umulv2siv2di3): New expander.  Use
12040         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12041         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
12042         (sse4_1_mulv2siv2di3): New expander.  Use
12043         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12044         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
12045         (sse2_pmaddwd): New expander.  Use
12046         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12047         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
12048         (sse2_eq<mode>3): New expander.  Use
12049         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12050         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
12051         (sse4_1_eqv2di3): New expander.  Use
12052         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12053         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
12054         (sse2_uavgv16qi3): New expander.  Use
12055         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12056         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
12057         (sse2_uavgv16qi3): New expander.  Use
12058         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12059         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
12060         (sse2_uavgv8hi3): New expander.  Use
12061         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12062         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
12063         (ssse3_pmulhrswv8hi3): New expander.  Use
12064         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12065         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
12066         (ssse3_pmulhrswv4hi3): New expander.  Use
12067         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12068
12069         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
12070         (<sse>_vmmul<mode>3): Ditto.
12071         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
12072         (divv2df3): Ditto.
12073         (ssse3_pmaddubsw128): Use register_operand for operand 1.
12074         (ssse3_pmaddubsw): Ditto.
12075
12076         * config/i386/i386.c (struct_builtin_description)
12077         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
12078         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
12079         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
12080         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
12081         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
12082         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
12083         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
12084         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
12085         (ix86_fixup_binary_operands): Assert that src1
12086         and src2 must have the same mode when swapped.
12087         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
12088         and ix86_binary_operator_ok.  Do not force operands in registers
12089         when optimizing.
12090
12091 2008-05-07  Jan Hubicka  <jh@suse.cz>
12092
12093         * cgraph.c (dump_cgraph_node): Update.
12094         * cgraph.h (cgraph_local_info): Break out inline summary.
12095         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
12096         hook.
12097         * ipa-inline (inline_summary): New accestor function.
12098         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
12099         cgraph_decide_inlining, compute_inline_parameters): Update.
12100         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
12101
12102 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
12103
12104         Cleanup ColdFire scheduling support and add V4 pipeline model.
12105
12106         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
12107         (define_attr cpu): Add cfv4 value.
12108         (define_attr type, define_attr type1): Merge into a single 'type'
12109         attribute.  Update all uses.
12110         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
12111         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
12112         Update all uses.
12113         (define_attr opx_mem, define_attr opy_mem): Remove.
12114         (define_attr op_mem): Clean up, update comment.
12115         (define_attr size): Use specific values instead of general int.
12116         (define_attr guess, define_attr split): Remove.  Update all uses.
12117         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
12118         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
12119         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
12120         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
12121         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
12122         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
12123         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
12124         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
12125         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
12126         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
12127         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
12128         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
12129         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
12130         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
12131         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
12132         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
12133         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
12134         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
12135         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
12136         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
12137         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
12138         Update or set attributes.
12139         (stack_tie): New fake instruction.
12140
12141         * config/m68k/m68k.h (TUNE_CFV4): New macro.
12142         (m68k_sched_attr_size): Update declaration.
12143         (m68k_sched_attr_type2): Remove.
12144         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
12145         Declare new bypass predicates.
12146
12147         * config/m68k/m68k.c (m68k_sched_issue_rate,
12148         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
12149         implementations.
12150         (TARGET_SCHED_ISSUE_RATE,
12151         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
12152         (override_options): Handle scheduling for ColdFire V4 core.
12153         (m68k_expand_prologue): Emit stack_tie.
12154         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
12155         'OP_TYPE_FPN'.  Update all uses.
12156         (sched_guess_p): Remove.
12157         (sched_address_type): Handle symbolic addresses.
12158         (sched_get_operand): New static function.
12159         (sched_operand_type): Merge into sched_attr_op_type.
12160         (sched_attr_op_type): Handle FP registers, handle quick constants,
12161         update.
12162         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
12163         (m68k_sched_attr_size): Update.  Move logic to ...
12164         (sched_get_attr_size_int): New static function.
12165         (sched_get_opxy_mem_type): New static function.
12166         (m68k_sched_attr_op_mem): Update.
12167         (m68k_sched_attr_type2): Remove.
12168         (sched_cfv4_bypass_data): New static variable.
12169         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
12170         (m68k_sched_issue_rate): Implement scheduler hook.
12171         (struct _sched_ib: enabled_p): New field.
12172         (m68k_sched_variable_issue): Update.  Handle V4.
12173         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
12174         sched_dump_class_func_t, sched_dump_split_class,
12175         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
12176         sched_dump_dfa_class, m68k_sched_dump): Remove.
12177         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
12178         hook.
12179         (m68k_sched_init_global): Remove statisctics dumping, introduce
12180         sanity check that all instructions have pipeline reservations.  Handle
12181         ColdFire V4 core.
12182         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
12183         Handle ColdFire V4 core.
12184         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
12185         New static functions.
12186         (m68k_sched_address_bypass_p): New bypass predicate.
12187         (sched_get_indexed_address_scale): New static function.
12188         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
12189
12190         * cf.md: Update comments.
12191         (define_attr type2): Remove.  Use 'type' attribute instead.
12192         Update all uses.
12193         (cf_ib): Rename to cfv123_ib.  Update all uses.
12194         (cf_oep): Rename to cfv123_oep.  Update all uses.
12195         (cf_chr): Rename to cfv123_chr.  Update all uses.
12196         (cf_mem): Rename to cfv123_mem.  Update all uses.
12197         (cf_mac): Move to more appropriate place.
12198         (cfv123_guess): New automaton and cpu_unit.
12199         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
12200         Update uses of 'size' attribute.  Handle before reload scheduling.
12201         (cfv123_guess): New dummy reservation for unhandled instructions.
12202         (cfv4_*): Pipeline description of ColdFire V4 core.
12203         (ignore): New reservation to handle 'ignore' type.
12204
12205 2008-05-07  Ian Lance Taylor  <iant@google.com>
12206
12207         PR middle-end/36013
12208         * gimplify.c (find_single_pointer_decl_1): Don't look through
12209         indirections.
12210         (find_single_pointer_decl): Adjust comments.
12211
12212 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
12213
12214         PR middle-end/36137
12215         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
12216         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
12217
12218         PR middle-end/36106
12219         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
12220         integral type rather than floating point, then VIEW_CONVERT_EXPR
12221         to the floating point type.
12222
12223 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
12224
12225         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
12226         TFmode op0 to register.
12227
12228 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
12229
12230         * c-decl.c (grokdeclarator): Comment typo.
12231
12232 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
12233
12234         * tree-flow.h: Remove prototype for computed_goto_p.
12235         * tree-cfg.c (computed_goto_p): Make static.
12236
12237 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12238
12239         PR target/35657
12240         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
12241         (contains_aligned_value_p): This.  Handle _Decimal128.
12242         (ix86_function_arg_boundary): Only align _Decimal128 to its
12243         natural boundary and handle it properly.
12244
12245 2008-05-06  Martin Jambor  <mjambor@suse.cz>
12246
12247         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
12248         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
12249         (ipcp_method_set_orig_node): Removed.
12250         (ipcp_cval_get_cvalue_type): Removed.
12251         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
12252         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
12253         (ipcp_cval_set_cvalue_type): Removed.
12254         (ipcp_cval_get_cvalue): Removed.
12255         (ipcp_cval_set_cvalue): Removed.
12256         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
12257         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
12258         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
12259         (ipcp_cval_meet): Renamed to ipa_lattice_meet
12260         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
12261         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
12262         (ipcp_get_ith_lattice): Changed parameters.
12263         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
12264         (ipcp_lattice_from_jfunc): Changed parameters.
12265         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
12266         (ipcp_method_cval_print): Added temporary variable info.
12267         (ipcp_redirect): Removed already unused local variable caller.
12268         (ipcp_redirect): New temporary variable orig_callee_info
12269         (ipcp_redirect): Removed newly unused local variable callee.
12270         (ipcp_redirect): Removed (a bit confusing) local variable type.
12271         (ipcp_insert_stage): Added local variable info.
12272         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
12273         renamed too
12274         (ipcp_formal_create): Removed.
12275         (ipcp_method_cval_set): Removed.
12276         (ipcp_propagate_stage): Renamed lattice variables.
12277         (ipcp_method_cval_set_cvalue_type): Removed.
12278         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
12279         (ipcp_print_all_lattices): Changed printed strings to refer to
12280         lattices rather than cvals.
12281         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
12282         (ipcp_propagate_const): Changed formal parameters.
12283         (build_const_val): Changed formal parameters.
12284         (ipcp_insert_stage): Removed useless variable cvalue
12285         (build_const_val): Changed formal parameters.
12286         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
12287         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
12288         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
12289         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
12290         (ipcp_print_func_profile_counts): Changed string from "method" to
12291         "function"
12292         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
12293         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
12294         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
12295         (ipcp_structures_print): Renamed to ipcp_print_all_structures
12296         (ipcp_profile_print): Renamed to ipcp_print_profile_data
12297         (ipcp_lat_is_const): Changed parameters and made inline.
12298         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
12299         (ipcp_redirect): Renamed to ipcp_need_redirect_p
12300         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
12301         the predicate condition directly
12302         (ipcp_propagate_stage): Added local variable args. Removed local
12303         variable callee.  (Both are mere code simplifications.)
12304         (ipcp_method_dont_insert_const): Renamed to
12305         ipcp_node_not_modifiable_p.
12306         (ipcp_node_not_modifiable_p): Made inline.
12307         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
12308         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
12309         (ipcp_print_all_lattices): Removed variable cvalue
12310         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
12311         Updated comments.
12312
12313 2008-05-06  Olivier Hainque  <hainque@adacore.com>
12314
12315         * tree-sra.c (try_instantiate_multiple_fields): Early return
12316         if field has POINTER_TYPE.
12317
12318 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
12319
12320         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
12321         by using 'q' specifier for instruction.
12322         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
12323
12324 2008-05-06  Anatoly Sokolov <aesok@post.ru>
12325
12326         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
12327         Change mode of zero_extract from QImode to HImode.
12328         (sign bit tests peepholes): (Ditto.).
12329
12330 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
12331
12332         * config/i386/mmx.md: Remove double backslashes from asm templates.
12333         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
12334         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12335         to handle nonimmediate operands.
12336         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
12337         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12338         to handle nonimmediate operands.
12339         (*mmx_<code>v2sf3_finite): New insn pattern.
12340         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
12341         (mmx_<code>v2sf3): New expander.  Use
12342         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12343         (mmx_<plusminus_insn><mode>3): New expander.  Use
12344         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12345         (*mmx_<plusminus_insn><mode>3): New insn pattern.
12346         (mmx_add<mode>3): Removed.
12347         (mmx_ssadd<mode>3): Ditto.
12348         (mmx_usadd<mode>3): Ditto.
12349         (mmx_sub<mode>3): Ditto.
12350         (mmx_sssub<mode>3): Ditto.
12351         (mmx_ussub<mode>3): Ditto.
12352         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
12353         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
12354         to handle nonimmediate operands.
12355         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
12356         insn pattern.
12357         (mmx_smulv4hi3_highpart): New expander.  Use
12358         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12359         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
12360         insn pattern.
12361         (mmx_umulv4hi3_highpart): New expander.  Use
12362         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12363         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
12364         (mmx_<code>v4hi3): New expander.  Use
12365         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12366         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
12367         (mmx_<code>v8qi3): New expander.  Use
12368         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12369         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
12370         (mmx_<code><mode>3): New expander.  Use
12371         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12372
12373 2008-05-05  Jan Hubicka  <jh@suse.cz>
12374
12375         PR tree-optimization/36118
12376         * passes.c (pass_init_dump_file): Fix dump header.
12377
12378 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12379
12380         PR middle-end/36141
12381         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
12382         VCE for function decls.
12383
12384 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12385
12386         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
12387
12388 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12389
12390         * config/i386/i386.md (sat_plusminus): New.
12391         (plusminus_insn): Likewise.
12392         (plusminus_mnemonic): Likewise.
12393         (addsub): Removed.
12394         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
12395         (*<addsub><mode>3_cc_overflow): Renamed to ...
12396         (*<plusminus_insn><mode>3_cc_overflow): This.
12397         (*<addsub>si3_zext_cc_overflow): Renamed to ...
12398         (*<plusminus_insn>si3_zext_cc_overflow): This.
12399
12400         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
12401         (<plusminus_insn><mode>3): This.
12402         (*<addsub><mode>3): Renamed to ...
12403         (*<plusminus_insn><mode>3): This.
12404         (<sse>_vm<addsub><mode>3): Renamed to ...
12405         (<sse>_vm<plusminus_insn><mode>3): This.
12406         (sse3_h<addsub>v4sf3): Renamed to ...
12407         (sse3_h<plusminus_insn>v4sf3): This.
12408         (sse3_h<addsub>v2df3): Renamed to ...
12409         (sse3_h<plusminus_insn>v2df3): This.
12410         (<plusminus_insn><mode>3): New.
12411         (*<plusminus_insn><mode>3): Likewise.
12412         (sse2_<plusminus_insn><mode>3): Likewise.
12413         (add<mode>): Removed.
12414         (*add<mode>3): Likewise.
12415         (sse2_ssadd<mode>3): Likewise.
12416         (sse2_usadd<mode>3): Likewise.
12417         (sub<mode>3): Likewise.
12418         (*sub<mode>3): Likewise.
12419         (sse2_sssub<mode>3): Likewise.
12420         (sse2_ussub<mode>3): Likewise.
12421
12422 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
12423
12424         * gthr-single.h: Add in required interface elements as per gthr.h.
12425         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
12426         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
12427         Generalize UNUSED macro.
12428         (__gthread_once): Add.
12429         (__gthread_key_create): Add.
12430         (__gthread_key_delete): Add.
12431         (__gthread_getspecific): Add.
12432         (__gthread_setspecific): Add.
12433
12434 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
12435
12436         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
12437         the same size types for the indirect reference on the rhs, then
12438         create a VCE.
12439
12440 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
12441
12442         * config/i386/i386.md
12443         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
12444         one insn template instead of template series.
12445         (*xordi_1_rex64): Ditto.
12446         (*xordi_2_rex64): Ditto.
12447
12448 2008-05-05  Ira Rosen  <irar@il.ibm.com>
12449
12450         PR tree-optimization/36119
12451         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
12452         in case of SLP.
12453
12454 2008-06-04  Jan Hubicka  <jh@suse.cz>
12455
12456         tree-optimization/36100
12457         * tree-pass.h (pass_O0_always_inline): Declare.
12458         * ipa-inline.c (inline_transform): Remove dead code.
12459         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
12460         pass_O0_always_inline): New.
12461         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
12462
12463 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
12464
12465         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
12466         mnemonic in this_param move for TARGET_64BIT.
12467
12468 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
12469
12470         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
12471         (*strmovsi_rex_1): Ditto.
12472         (*strsetsi_1): Ditto.
12473         (*strsetsi_rex_1): Ditto.
12474
12475         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
12476         adddicc expanders using SWI mode iterator.
12477
12478 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
12479
12480         PR target/36121
12481         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
12482         argument handling.
12483
12484 2008-05-04  David S. Miller  <davem@davemloft.net>
12485
12486         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
12487         (sparc*-*-linux*): Use linux.h in tm_file.
12488         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
12489         compiler defaulting to 32-bit.
12490         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
12491         no longer needed.
12492         * config/sparc/linux.h: Remove definitions now obtained
12493         properly from linux.h
12494         * config/sparc/linux64.h: Likewise.
12495         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
12496         don't want this setting for 32-bit builds in a biarch compiler.
12497         * doc/install.texi: Add sparc-linux to list of targets
12498         supporting --enable-targets=all.
12499
12500 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
12501
12502         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
12503
12504 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
12505
12506         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
12507         after V4SI_FTYPE_V8HI.
12508         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
12509         case V4SI_FTYPE_V2DF.
12510
12511 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
12512
12513         * doc/invoke.texi (max-flow-memory-locations): Removed.
12514         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
12515
12516 2008-05-03  Richard Guenther  <rguenther@suse.de>
12517
12518         PR middle-end/34973
12519         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
12520
12521 2008-05-02  David S. Miller  <davem@davemloft.net>
12522
12523         * config.gcc (need_64bit_hwint): Document libcpp dependency.
12524
12525 2008-05-02  Simon Baldwin <simonb@google.com>
12526
12527         PR bootstrap/36108
12528         * c-common.h (warn_array_subscript_range): Removed.
12529         * c-common.c (warn_array_subscript_range): Ditto.
12530         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
12531         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
12532
12533 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12534
12535         * config/i386/i386.c (ix86_special_builtin_type): New.
12536         (bdesc_special_args): Likewise.
12537         (ix86_expand_special_args_builtin): Likewise.
12538         (ix86_init_mmx_sse_builtins): Updated.
12539         (ix86_expand_builtin): Updated.
12540         (ix86_expand_store_builtin): Removed.
12541         (ix86_expand_unop_builtin): Likewise.
12542
12543         * config/i386/mm3dnow.h (__v2sf): Moved to ...
12544         * config/i386/mmintrin.h (__v2sf): Here.
12545
12546         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
12547         const __v2sf.
12548         (_mm_loadl_pi): Likewise.
12549         (_mm_storeh_pi): Replace __v2si with __v2sf.
12550         (_mm_storel_pi): Likewise.
12551
12552         * doc/extend.texi: Correct __builtin_ia32_loadhps,
12553         __builtin_ia32_loadlps, __builtin_ia32_storehps,
12554         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
12555         __builtin_ia32_loadlpd.
12556
12557 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12558
12559         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
12560         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
12561         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
12562         (ix86_init_mmx_sse_builtins): Updated.
12563         (ix86_expand_args_builtin): Likewise.
12564         (ix86_expand_builtin): Likewise.
12565         (ix86_expand_unop1_builtin): Renamed to ...
12566         (ix86_expand_unop_vec_merge_builtin): This.
12567
12568 2008-05-01  Jan Hubicka  <jh@suse.cz>
12569
12570         PR bootstrap/36100
12571         * ipa-inline.c (inline_generate_summary): Make static.
12572         (inline_transform): Do not call inlining at -O0; make static.
12573         * passes.c (execute_todo): Add sanity check.
12574         (execute_one_ipa_transform_pass): Execute proper flags.
12575
12576 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
12577
12578         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
12579         (DECL_NONADDRESSABLE_P): Likewise.
12580         * alias.c (record_component_aliases): Fix comment.
12581
12582 2008-05-01  Simon Baldwin <simonb@google.com>
12583
12584         * c-common.h (warn_array_subscript_range): New function.
12585         * c-common.c (warn_array_subscript_range): Ditto.
12586         * tree-vrp.c (check_array_ref): Corrected code to agree with
12587         comment, ignoring only arrays of size 0 or size 1.
12588         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
12589
12590 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12591
12592         * config/i386/i386.c (ix86_builtin_type): Replace
12593         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
12594         (bdesc_args): Updated.
12595         (ix86_init_mmx_sse_builtins): Likewise.
12596         (ix86_expand_args_builtin): Likewise.
12597
12598         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
12599         with __v1di.
12600
12601         * doc/extend.texi: Correct __builtin_ia32_palignr.
12602
12603 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12604
12605         PR target/36095
12606         * config/i386/i386.c (bdesc_crc32): Removed.
12607         (ix86_expand_crc32): Likewise.
12608         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
12609         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
12610         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
12611         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
12612         UINT_FTYPE_UINT_UCHAR.
12613         (bdesc_args): Updated. Add crc32 builtins.
12614         (ix86_init_mmx_sse_builtins): Updated.
12615         (ix86_expand_args_builtin): Updated to support subreg.
12616
12617         * doc/extend.texi: Correct __builtin_ia32_crc32di.
12618
12619 2008-05-01  Jan Hubicka  <jh@suse.cz>
12620
12621         * tree-pass.h (opt_pass): Add IPA_PASS.
12622         (varpool_node, cgraph_node): Forward declare.
12623         (ipa_opt_pass): Define.
12624         (pass_ipa_inline): Turn into ipa_opt_pass.
12625         (pass_apply_inline): Remove.
12626         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
12627         (apply_inline): Turn into ....
12628         (inline_transform): ... this one.
12629         (inline_generate_summary): New function.
12630         (pass_apply_inline): Remove.
12631         * function.h (ipa_opt_pass): Forward declare structure; typedef;
12632         vector.
12633         (struct function): Add ipa_transforms_to_apply.
12634         * passes.c (register_one_dump_file): Work on IPA_PASS.
12635         (init_optimization_passes): Remove pass_inline_parameters and
12636         pass_apply_inline.
12637         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
12638         (execute_one_pass) ... here; apply transforms when possible.
12639         (add_ipa_transform_pass, execute_ipa_summary_asses,
12640         execute_one_ipa_transform_pass): New.
12641         (execute_ipa_pass_list): Update for IPA_PASS type.
12642
12643 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12644
12645         * config/i386/i386.c (ix86_builtin_type): Add
12646         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
12647         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
12648         (bdesc_args): Add SSE4a builtins.
12649         (ix86_init_mmx_sse_builtins): Updated.
12650         (ix86_expand_args_builtin): Likewise.
12651         (ix86_expand_builtin): Likewise.
12652
12653 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12654
12655         * config/i386/i386.c (ix86_builtin_type): Add
12656         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
12657         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
12658         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
12659         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
12660         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
12661         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
12662         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
12663         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
12664         and DI_FTYPE_DI_DI_INT.
12665         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
12666         (ix86_init_mmx_sse_builtins): Updated.
12667         (ix86_expand_args_builtin): Likewise.
12668         (ix86_expand_builtin): Likewise.
12669         (ix86_expand_binop_imm_builtin): Removed.
12670
12671         * doc/extend.texi: Correct __builtin_ia32_palignr128.
12672
12673 2008-04-30  Richard Guenther  <rguenther@suse.de>
12674
12675         PR tree-optimization/32921
12676         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
12677
12678 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
12679
12680         * config/arm/arm.c (arm_unwind_emit): Use
12681         crtl->all_throwers_are_sibcalls instead of
12682         cfun->all_throwers_are_sibcalls.
12683         (arm_output_fn_unwind): Likewise.
12684         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
12685         instead of cfun->uses_pic_offset_table.
12686         (frv_expand_prologue): Likewise.
12687         (frv_frame_pointer_required): Likewise.
12688         (frv_expand_fdpic_call): Likewise.
12689         (frv_emit_movsi): Likewise.
12690         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
12691         cfun->returns_pcc_struct instead of
12692         current_function_returns_pcc_struct.
12693         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
12694         instead of cfun->calls_eh_return.
12695         (m32c_pushm_popm): Likewise.
12696         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
12697         "extern" declaration.
12698
12699 2008-04-30  Richard Guenther  <rguenther@suse.de>
12700
12701         PR tree-optimization/21636
12702         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
12703         constant address.
12704         (evaluate_stmt): Print the likely value.
12705         (ccp_visit_stmt): Avoid excessive vertical spacing.
12706
12707 2008-04-30  Rafael Espindola  <espindola@google.com>
12708
12709         * builtins.c (fold_call_expr): Return realret.
12710         * tree-ssa-threadedge.c
12711         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
12712         __builtin_object_size.
12713
12714 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
12715
12716         * gcc.c (wrapper_string): New variable.
12717         (insert_wrapper): New function.
12718         (execute): New option -wrapper.
12719         * doc/invoke.texi (Overall Options): New driver option -wrapper.
12720
12721 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
12722
12723         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
12724         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
12725         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
12726         from...
12727         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
12728         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
12729         config/rs6000/e500crtres64gprctr.asm,
12730         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
12731         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
12732         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
12733         config/rs6000/e500crtsav64gprctr.asm,
12734         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
12735         config/rs6000/e500crtsavg64gprctr.asm: New files.
12736         * config/rs6000/t-ppccomm: Add build rules for new files.
12737         (LIB2FUNCS_STATIC_EXTRA): Add new files.
12738         * config/rs6000/t-netbsd: Add build rules for new files.
12739         (LIB2FUNCS_STATIC_EXTRA): New variable.
12740         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
12741         (CRTSAVRES_DEFAULT_SPEC): Likewise.
12742         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
12743
12744 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
12745
12746         * config/i386/i386.c (ix86_builtin_type): Add
12747         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
12748         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
12749         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
12750         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
12751         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
12752         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
12753         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
12754         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
12755         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
12756         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
12757         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
12758         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
12759         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
12760         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
12761         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
12762         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
12763         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
12764         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
12765         V1DI_FTYPE_V2SI_V2SI.
12766         (bdesc_2arg): Moved to ...
12767         (bdesc_args): Here.
12768         (ix86_init_mmx_sse_builtins): Updated.
12769         (ix86_expand_args_builtin): Updated.  Take a pointer
12770         to const struct builtin_description.  Handle comparison
12771         builtin functions.
12772         (ix86_expand_sse_compare): Take a new argument for swapping operands.
12773         (ix86_expand_builtin): Updated.
12774
12775         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
12776         (ssse3_pmaddubsw128): This.
12777         (ssse3_pmaddubswv4hi3): Renamed to ...
12778         (ssse3_pmaddubsw): This.
12779
12780         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
12781         (__builtin_ia32_packssdw128): Likewise.
12782         (__builtin_ia32_packuswb128): Likewise.
12783         (__builtin_ia32_pmaddubsw): Likewise.
12784         (__builtin_ia32_pmaddubsw128): Likewise.
12785
12786 2008-04-30  Richard Guenther  <rguenther@suse.de>
12787
12788         PR tree-optimization/14847
12789         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
12790         (recognize_bits_test): Use it.
12791         (recognize_single_bit_test): Likewise.
12792
12793 2008-04-30  Martin Jambor  <mjambor@suse.cz>
12794
12795         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
12796         instead of setting number of formal parameters to zero.
12797         (ipcp_init_stage): Do not set the number of actual parameters to zero
12798         either.
12799         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
12800         which are called with variable number of arguments.
12801         (ipcp_insert_stage): Explicitely skipping all nodes which are
12802         called with variable number of arguments.
12803         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
12804         number of parameters.
12805
12806         * ipa-prop.h (struct ipa_node_params): Added flag
12807         called_with_var_arguments
12808         (ipa_set_param_count): Added.  Changed sole setter to use it.
12809         (ipa_get_param_count): Added.  All readers of param_count
12810         converted to use it instead.
12811         (ipa_set_called_with_variable_arg): Added.
12812         (ipa_is_called_with_var_arguments): Added.
12813         (ipa_get_ith_param): Added.  All readers of param_decls converted
12814         to use it instead.
12815         (ipa_set_cs_argument_count): Added, sole writer to argument_count
12816         changed to use it.
12817         (ipa_get_cs_argument_count): Added, all readers of argument_count
12818         changed to cal it.
12819         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
12820         to use it.
12821
12822         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
12823         (struct ipcp_lattice): Renamed cval_type to type
12824         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
12825
12826         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
12827         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
12828         (ipcp_insert_stage): Changed the type of variable cvalue to tree
12829         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
12830         (build_const_val): Changed the type of parameter cvalue to tree
12831         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
12832         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
12833
12834         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
12835         constant
12836
12837         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
12838         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
12839         (ipa_add_method): Renamed to ipa_push_func_to_list
12840         (ipa_remove_method): Renamed to ipa_pop_func_from_list
12841         (ipa_callsite_param_count): Removed.
12842         (ipa_callsite_param_count_set): Removed.
12843         (ipa_callsite_param): Removed.
12844         (ipa_callsite_callee): Removed.
12845         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
12846         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
12847         (ipa_method_formal_count): Removed.
12848         (ipa_method_formal_count_set): Removed.
12849         (ipa_method_get_tree): Removed.
12850         (ipa_method_tree_map_create): Removed.
12851         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
12852         (ipa_create_param_decls_array): Creates the array itself
12853         (ipa_create_param_decls_array): Temporary variable info instead of
12854         a few dereferences.
12855         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
12856         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
12857         (get_type): Removed.
12858         (ipa_jf_get_info_type): Removed.
12859         (ipa_node_create): Renamed to ipa_create_node_params
12860         (ipa_free): Renamed to ipa_free_all_node_params
12861         (ipa_nodes_create): Renamed to ipa_create_all_node_params
12862         (ipa_edges_create): Renamed to ipa_create_all_edge_args
12863         (ipa_edges_free): Renamed to ipa_free_all_edge_args
12864         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
12865         (ipa_free_all_node_params): Deallocation to jump_functions moved to
12866         ipa_free_all_edge_args
12867         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
12868         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
12869         (ipa_create_methodlist_node): Removed.
12870         (ipa_methodlist_method): Removed.
12871         (ipa_methodlist_method_set): Removed.
12872         (ipa_methodlist_next_method): Removed.
12873         (ipa_methodlist_next_method_set): Removed.
12874         (ipa_method_is_modified): Removed.
12875         (ipa_method_modify_create): Removed.
12876         (ipa_method_modify_init): Temporary variable info instead of a few
12877         dereferences.
12878         (ipa_detect_param_modifications): Temporary variable info instead of
12879         a few dereferences.
12880         (ipa_compute_jump_functions): Temporary variable info instead of
12881         a few dereferences.
12882         (ipa_method_modify_set): Removed.
12883         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
12884         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
12885         than craph_node as the first parameter.
12886         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
12887         (ipa_method_modify_init): Removed.
12888         (ipa_compute_jump_functions): Added a temp variable instead of
12889         repeatadly dereferencing the cgraph_edge.aux pointer
12890         (ipa_callsite_param_set_type): Removed.
12891         (ipa_compute_jump_functions): i renamed to index and moved to
12892         an inner block
12893         (ipa_callsite_param_set_info_type_formal): Removed.
12894         (ipa_callsite_param_set_info_type): Removed.
12895         (ipa_callsite_param_map_create): Removed.
12896         (ipa_callsite_tree): Removed.
12897         (ipa_callsite_caller): Removed.
12898         (ipa_pop_func_from_list): return_method removed to return_func
12899
12900         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
12901         prefixed all values with IPA_. Changed all users.
12902         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
12903         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
12904         and FORMAL_IPATYPE IPA_PASS_THROUGH.
12905         (union parameter_info): Renamed to jump_func_value.
12906         (union jump_func_value): Renamed value to constant
12907         (struct ipa_jump_func): Renamed info_type to value
12908         (struct ipa_node): Renamed to ipa_node_params
12909         (struct ipa_node_params): Renamed ipa_arg_num to param_count
12910         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
12911         (struct ipa_node_params): Renamed ipa_mod to modified_flags
12912         (struct ipa_edge): Renamed to ipa_edge_args
12913         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
12914         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
12915         (struct ipa_methodlist): Renamed to ipa_func_list
12916         (struct ipa_func_list): method_p renamed to node, next_method
12917         renamed to next
12918         (ipa_methodlist_p): Removed, switched all users to struct pointer
12919         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
12920
12921 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
12922
12923         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
12924         (rs6000_emit_epilogue): Use backchain to restore only when we
12925         have a large frame.  Make use of frame pointer to restore if we
12926         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
12927
12928 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
12929
12930         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
12931         Add mode to zero_extract.
12932         (sign bit tests peepholes): (Ditto.).
12933
12934 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
12935
12936         * config/i386/i386.c (ix86_builtins): Replace Prescott New
12937         Instructions in comments with SSE3.
12938         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
12939         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
12940         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
12941         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
12942         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
12943         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
12944         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
12945         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
12946         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
12947         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
12948         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
12949         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
12950         (bdesc_sse_args): Renamed to ...
12951         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
12952         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
12953         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
12954         IX86_BUILTIN_FABSQ.
12955         (bdesc_1arg): Moved to ...
12956         (bdesc_args): Here.
12957         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
12958         Instructions in comments with SSE3.
12959         (ix86_expand_sse_operands_builtin): Renamed to ...
12960         (ix86_expand_args_builtin): This.  Updated.
12961         (ix86_expand_unop1_builtin): Update comments.
12962         (ix86_expand_builtin): Updated.
12963
12964 2008-04-29  Richard Guenther  <rguenther@suse.de>
12965
12966         PR tree-optimization/36078
12967         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
12968         Update virtual SSA form after cleaning up the CFG.
12969
12970 2008-04-29  Richard Guenther  <rguenther@suse.de>
12971
12972         PR middle-end/15255
12973         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
12974
12975 2008-04-29  Richard Guenther  <rguenther@suse.de>
12976
12977         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
12978         (compute_may_aliases): Do not call finalize_ref_all_pointers.
12979         (compute_flow_insensitive_aliasing): Do not treat
12980         PTR_IS_REF_ALL pointers special.
12981         (get_smt_for): Likewise.
12982         (may_alias_p): Re-structure.
12983         (is_escape_site): A ref-all pointer conversion is not an escape site.
12984         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
12985         PTR_IS_REF_ALL pointers special.
12986         * tree-ssa-structalias.h (struct alias_info): Remove
12987         ref_all_symbol_mem_tag field.
12988         (PTR_IS_REF_ALL): Remove.
12989
12990 2008-04-29  Richard Guenther  <rguenther@suse.de>
12991
12992         PR middle-end/36077
12993         * fold-const.c (extract_muldiv_1): In combining division constants
12994         make sure to never overflow.
12995
12996 2008-04-29  Nick Clifton  <nickc@redhat.com>
12997
12998         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
12999
13000 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13001
13002         PR bootstrap/35169
13003         * optc-gen.awk: Work around HP-UX/IA awk bug.
13004
13005 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
13006
13007         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
13008         2008-04-25 commit.
13009
13010 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
13011
13012         PR target/36073
13013         * config/i386/i386.md
13014         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
13015         Change operand 1 predicate to nonimmediate_operand.
13016
13017 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
13018
13019         PR debug/36060
13020         * dwarf2out.c (struct die_struct): Mark as chain_circular through
13021         die_sub field.
13022         * gengtype.c (walk_type, write_func_for_structure): Handle
13023         chain_circular.
13024         * doc/gty.texi: Document chain_circular.
13025
13026 2008-04-28  Richard Guenther  <rguenther@suse.de>
13027
13028         PR tree-optimization/36066
13029         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
13030         SCEV and loop.
13031
13032 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
13033
13034         PR target/36064
13035         * config/i386/i386.md
13036         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
13037         Use match_scratch instead of match_operand for operands 3 and 4.
13038
13039 2008-04-27  Richard Guenther  <rguenther@suse.de>
13040
13041         PR tree-optimization/18754
13042         PR tree-optimization/34223
13043         * tree-pass.h (pass_complete_unrolli): Declare.
13044         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
13045         loop size before and after unconditionally of UL_NO_GROWTH in effect.
13046         Rewrite loop into loop closed SSA form if it is not already.
13047         (tree_unroll_loops_completely): Re-structure to iterate over
13048         innermost loops with intermediate CFG cleanups.
13049         Unroll outermost loops only if requested or the code does not grow
13050         doing so.
13051         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
13052         loops are available.
13053         (tree_vectorize): Instead do so here.
13054         (tree_complete_unroll): Also unroll outermost loops.
13055         (tree_complete_unroll_inner): New function.
13056         (gate_tree_complete_unroll_inner): Likewise.
13057         (pass_complete_unrolli): New pass.
13058         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
13059         uses outside of the loop.
13060         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
13061         form if it is available.
13062         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
13063         * passes.c (init_optimization_passes): Schedule complete inner
13064         loop unrolling pass before the first CCP pass after final inlining.
13065
13066 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
13067
13068         * targhooks.h (default_emutls_var_fields,
13069         default_emutls_var_init): Declare.
13070         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
13071         * target.h (struct gcc_target): Add struct emutls member.
13072         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
13073         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
13074         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
13075         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
13076         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
13077         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
13078         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
13079         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
13080         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
13081         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
13082         emit debug information.
13083         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
13084         * varasm.c: Include targhooks.h.
13085         (emutls_object_section, emutls_tmpl_section): New.
13086         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
13087         (EMUTLS_SEPARATOR): New.
13088         (prefix_name): New.
13089         (get_emutls_object_name): New.
13090         (default_emutls_var_fields): New, broken out of ...
13091         (get_emutls_object_type): ... here.  Adjust to use target hooks.
13092         (get_emutls_init_templ_addr): Adjust to use target hooks.
13093         (emutls_decl): Adjust to use target hooks.
13094         (emutls_finish): Likewise.
13095         (default_emutls_var_init): New, broken out of ...
13096         (assemble_variable): ... here.  Adjust to use target hooks.
13097         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
13098         SECCAT_EMUTLS_TMPL.
13099         * c-common.c (handle_section_attribute): Prevent overriding
13100         sections for emulated tls with special sections.
13101         * config/i386/i386.c (x86_64_elf_select_section): Add
13102         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
13103         (x86_64_elf_unique_section): Likewise.
13104         * config/vxworks.c: Include tree.h.
13105         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
13106         (vxworks_override_options): Set TLS scheme.
13107         * doc/tm.texi (Emulated TLS): New node.
13108
13109 2008-04-26  Simon Baldwin <simonb@google.com>
13110
13111         PR c/35652
13112         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
13113         with propagated string constants.
13114
13115 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
13116
13117         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
13118         constraint for operand 2 when operand 0 is memory operand.
13119         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
13120         operand 0 is memory operand.
13121         (fix_trunc<mode>_i387_with_temp): Ditto.
13122         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
13123         operand 2 when operand 1 is memory operand.
13124         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
13125         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
13126         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
13127         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
13128         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
13129         operands 2,3 and 4 when operand 1 is memory operand.
13130         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
13131         is memory operand.
13132         (fistdi2_floor_with_temp): Ditto.
13133         (fist<mode>2_floor_with_temp): Ditto.
13134         (fistdi2_ceil_with_temp): Ditto.
13135         (fist<mode>2_ceil_with_temp): Ditto.
13136         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
13137
13138 2008-04-26  David Daney  <ddaney@avtrex.com>
13139
13140         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
13141         unspec_volitile.
13142         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
13143         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
13144         UNSPEC_UPDATE_GOT_VERSION): Renumber.
13145         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
13146         (compare_and_swap_12): New insn.
13147         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
13148         * config/mips/mips.c (mips_force_binary): New function.
13149         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
13150         (mips_expand_compare_and_swap_12): New function.
13151         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
13152
13153 2008-04-25  Jan Hubicka  <jh@suse.cz>
13154
13155         PR testsuite/35843
13156         * cfgexpand.c (pass_expand): Turn into RTL pass.
13157         * passes.c (execute_one_pass): Do pass typechecking after execution.
13158         * tree-pass.h (pass_expand): Turn into RTL pass.
13159
13160         * function.h (struct rtl_data): Move here fields
13161         accesses_prior_frames, calls_eh_return, saves_all_registers,
13162         has_nonlocal_goto, has_asm_statement, is_thunk,
13163         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
13164         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
13165         arg_pointer_save_area_init from struct function; turn into bool.
13166         (struct function): Move
13167         calls_eh_return, saves_all_registers, has_nonlocal_goto,
13168         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
13169         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
13170         tail_call_emit, arg_pointer_save_area_init
13171         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
13172         (current_function_returns_struct, current_function_returns_pcc_struct,
13173         current_function_calls_setjmp, current_function_calls_alloca,
13174         current_function_accesses_prior_frames,
13175         current_function_calls_eh_return, current_function_is_thunk,
13176         current_function_stdarg, current_function_profile,
13177         current_function_limit_stack, current_function_uses_pic_offset_table,
13178         current_function_uses_const_pool, current_function_has_nonlocal_label,
13179         current_function_saves_all_registers,
13180         current_function_has_nonlocal_goto,
13181         current_function_has_asm_statement): Remove accesor macros.
13182         * ra-conflict.c (global_conflicts): Update.
13183         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
13184         (suitable_for_tail_call_opt_p): Update.
13185         * builtins.c (expand_builtin_return_addr): Update.
13186         (expand_builtin_setjmp_setup): Update.
13187         (expand_builtin_nonlocal_goto): Update.
13188         * final.c (final_start_function): Update.
13189         (profile_function): Update.
13190         (leaf_function_p): Update.
13191         (only_leaf_regs_used): Update.
13192         * df-scan.c (df_get_exit_block_use_set): Update.
13193         * dojump.c (clear_pending_stack_adjust): Update.
13194         * tree-stdarg.c (gate_optimize_stdarg): Update.
13195         * gimple-low.c (lower_function_body): Update.
13196         * global.c (compute_regsets): Update.
13197         (global_alloc): Update.
13198         * dwarf2out.c (dwarf2out_begin_prologue): Update.
13199         * expr.c (expand_assignment): Update.
13200         * dse.c (dse_step0): Update.
13201         (dse_step1): Update.
13202         * c-decl.c (store_parm_decls): Update.
13203         * local-alloc.c (combine_regs): Update.
13204         (find_free_reg): Update.
13205         * function.c (assign_parms_augmented_arg_list): Update.
13206         (assign_parm_find_data_types): Update.
13207         (assign_parms): Update.
13208         (allocate_struct_function): Update.
13209         (expand_function_start): Update.
13210         (expand_function_end): Update.
13211         (get_arg_pointer_save_area): Update.
13212         (thread_prologue_and_epilogue_insns): Update.
13213         (rest_of_match_asm_constraints): Update.
13214         * stor-layout.c (variable_size): Update.
13215         * gcse.c (gcse_main): Update.
13216         (bypass_jumps): Update.
13217         * gimplify.c (gimplify_function_tree): Update.
13218         * calls.c (emit_call_1): Update.
13219         (expand_call): Update.
13220         * bt-load.c (compute_defs_uses_and_gen): Update.
13221         * except.c (sjlj_assign_call_site_values): Update.
13222         (sjlj_emit_function_enter): Update.
13223         (can_throw_external): Update.
13224         (set_nothrow_function_flags): Update.
13225         (expand_builtin_unwind_init): Update.
13226         (expand_eh_return): Update.
13227         (convert_to_eh_region_ranges): Update.
13228         (output_function_exception_table): Update.
13229         * emit-rtl.c (gen_tmp_stack_mem): Update.
13230         * cfgexpand.c (expand_used_vars): Update.
13231         (tree_expand_cfg): Update.
13232         * cfgcleanup.c (rest_of_handle_jump): Update.
13233         * explow.c (allocate_dynamic_stack_space): Update.
13234         * varasm.c (assemble_start_function): Update.
13235         (force_const_mem): Update.
13236         (mark_constant_pool): Update.
13237         * tree-optimize.c (tree_rest_of_compilation): Update.
13238         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
13239         * tree-cfg.c (notice_special_calls): Update.
13240         (is_ctrl_altering_stmt): Update.
13241         (tree_can_make_abnormal_goto): Update.
13242         (tree_purge_dead_abnormal_call_edges): Update.
13243         * config/alpha/predicates.md: Update.
13244         * config/alpha/alpha.c (alpha_sa_mask): Update.
13245         (alpha_sa_size): Update.
13246         (alpha_does_function_need_gp): Update.
13247         (alpha_expand_prologue): Update.
13248         (alpha_start_function): Update.
13249         (alpha_output_function_end_prologue): Update.
13250         (alpha_expand_epilogue): Update.
13251         * config/frv/frv.c (frv_stack_info): Update.
13252         (frv_expand_epilogue): Update.
13253         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
13254         (s390_register_info): Update.
13255         (s390_frame_info): Update.
13256         (s390_init_frame_layout): Update.
13257         (s390_can_eliminate): Update.
13258         (save_gprs): Update.
13259         * config/spu/spu.c (spu_split_immediate): Update.
13260         (need_to_save_reg): Update.
13261         (spu_expand_prologue): Update.
13262         (spu_expand_epilogue): Update.
13263         * config/sparc/sparc.md: Update.
13264         * config/sparc/sparc.c (eligible_for_return_delay): Update.
13265         (sparc_tls_got): Update.
13266         (legitimize_pic_address): Update.
13267         (sparc_emit_call_insn): Update.
13268         (sparc_expand_prologue): Update.
13269         (output_return): Update.
13270         (print_operand): Update.
13271         (sparc_function_ok_for_sibcall): Update.
13272         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
13273         * config/m32r/m32r.md: Update.
13274         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
13275         (m32r_compute_frame_size): Update.
13276         (m32r_expand_prologue): Update.
13277         (m32r_expand_epilogue): Update.
13278         (m32r_legitimize_pic_address): Update.
13279         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
13280         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13281         * config/i386/i386.c (ix86_frame_pointer_required): Update.
13282         (gen_push): Update.
13283         (ix86_save_reg): Update.
13284         (ix86_compute_frame_layout): Update.
13285         (ix86_expand_prologue): Update.
13286         (ix86_expand_epilogue): Update.
13287         * config/sh/sh.c (output_stack_adjust): Update.
13288         (calc_live_regs): Update.
13289         (sh5_schedule_saves): Update.
13290         (sh_expand_prologue): Update.
13291         (sh_expand_epilogue): Update.
13292         (sh_setup_incoming_varargs): Update.
13293         (sh_allocate_initial_value): Update.
13294         (sh_get_pr_initial_val): Update.
13295         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
13296         * config/sh/sh.md (label:): Update.
13297         * config/avr/avr.c (out_movhi_mr_r): Update.
13298         * config/crx/crx.h (enum): Update.
13299         * config/xtensa/xtensa.h (along): Update.
13300         * config/stormy16/stormy16.c Update.
13301         (xstormy16_compute_stack_layout): Update.
13302         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
13303         (fr30_expand_prologue): Update.
13304         * config/cris/cris.c (cris_conditional_register_usage): Update.
13305         (cris_reg_saved_in_regsave_area): Update.
13306         (cris_initial_frame_pointer_offset): Update.
13307         (cris_simple_epilogue): Update.
13308         (cris_expand_prologue): Update.
13309         (cris_expand_epilogue): Update.
13310         (cris_expand_pic_call_address): Update.
13311         (cris_asm_output_symbol_ref): Update.
13312         (cris_asm_output_label_ref): Update.
13313         * config/cris/cris.md Update.
13314         * config/iq2000/iq2000.c (compute_frame_size): Update.
13315         (iq2000_expand_epilogue): Update.
13316         * config/mt/mt.h (save_direction): Update.
13317         * config/mn10300/mn10300.c (mn10300_function_value): Update.
13318         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
13319         (ia64_secondary_reload_class): Update.
13320         * config/m68k/m68k.c (m68k_save_reg): Update.
13321         (m68k_expand_prologue): Update.
13322         (m68k_expand_epilogue): Update.
13323         (legitimize_pic_address): Update.
13324         * config/rs6000/rs6000.c (rs6000_got_register): Update.
13325         (first_reg_to_save): Update.
13326         (first_altivec_reg_to_save): Update.
13327         (compute_vrsave_mask): Update.
13328         (compute_save_world_info): Update.
13329         (rs6000_stack_info): Update.
13330         (spe_func_has_64bit_regs_p): Update.
13331         (rs6000_ra_ever_killed): Update.
13332         (rs6000_emit_eh_reg_restore): Update.
13333         (rs6000_emit_allocate_stack): Update.
13334         (rs6000_emit_prologue): Update.
13335         (rs6000_emit_epilogue): Update.
13336         (rs6000_output_function_epilogue): Update.
13337         (output_profile_hook): Update.
13338         (rs6000_elf_declare_function_name): Update.
13339         * config/rs6000/rs6000.h (rs6000_args): Update.
13340         * config/rs6000/rs6000.md: Update.
13341         * config/mcore/mcore.c (mcore_expand_prolog): Update.
13342         * config/arc/arc.c (arc_output_function_epilogue): Update.
13343         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
13344         * config/darwin.c (machopic_function_base_name): Update.
13345         * config/score/score3.c (score3_compute_frame_size): Update.
13346         (rpush): Update.
13347         (rpop): Update.
13348         (score3_epilogue): Update.
13349         * config/score/score7.c (score7_compute_frame_size): Update.
13350         (score7_prologue): Update.
13351         (score7_epilogue): Update.
13352         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
13353         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13354         * config/arm/arm.c (use_return_insn): Update.
13355         (require_pic_register): Update.
13356         (arm_load_pic_register): Update.
13357         (arm_compute_save_reg0_reg12_mask): Update.
13358         (arm_compute_save_reg_mask): Update.
13359         (thumb1_compute_save_reg_mask): Update.
13360         (output_return_instruction): Update.
13361         (arm_output_function_prologue): Update.
13362         (arm_output_epilogue): Update.
13363         (arm_get_frame_offsets): Update.
13364         (arm_expand_prologue): Update.
13365         (thumb_pushpop): Update.
13366         (thumb_exit): Update.
13367         (thumb1_expand_prologue): Update.
13368         (thumb1_expand_epilogue): Update.
13369         (arm_unwind_emit): Update.
13370         (arm_output_fn_unwind): Update.
13371         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
13372         * config/arm/arm.md: Update.
13373         * config/pa/pa.md: Update.
13374         * config/pa/pa.c (legitimize_pic_address): Update.
13375         (compute_frame_size): Update.
13376         (hppa_expand_prologue): Update.
13377         (hppa_expand_epilogue): Update.
13378         (borx_reg_operand): Update.
13379         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
13380         (HARD_REGNO_RENAME_OK): Update.
13381         * config/mips/mips.c (mips_global_pointer): Update.
13382         (mips_save_reg_p): Update.
13383         (mips_compute_frame_info): Update.
13384         (mips_frame_pointer_required): Update.
13385         (mips_expand_prologue): Update.
13386         (mips_expand_epilogue): Update.
13387         (mips_can_use_return_insn): Update.
13388         (mips_reorg_process_insns): Update.
13389         * config/v850/v850.c (compute_register_save_size): Update.
13390         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
13391         * config/mmix/mmix.c (along): Update.
13392         (mmix_expand_epilogue): Update.
13393         * config/bfin/bfin.c (legitimize_pic_address): Update.
13394         (must_save_p): Update.
13395         (stack_frame_needed_p): Update.
13396         (add_to_reg): Update.
13397         (bfin_expand_prologue): Update.
13398         * stmt.c (expand_asm_operands): Update.
13399         * reload1.c (reload): Update.
13400         (init_elim_table): Update.
13401
13402 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
13403
13404         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
13405
13406 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
13407
13408         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
13409         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
13410         (mov<mode>): Removed.
13411         (*movv4sf_internal): Likewise.
13412         (*movv2df_internal): Likewise.
13413
13414 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
13415
13416         * config.gcc (crx-*-elf): Remove deprecation.
13417
13418 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
13419
13420         * config/i386/cygming-crtend.c (register_frame_ctor): Register
13421         __gcc_deregister_frame with atexit.
13422         (deregister_frame_dtor): Remove.
13423
13424 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
13425             Nathan Sidwell  <nathan@codesourcery.com>
13426
13427         * config/rs6000/rs6000.opt (mspe): Remove Var property.
13428         (misel): Likewise.
13429         * config/rs6000/rs6000.h (rs6000_spe): Declare.
13430         (rs6000_isel): Likewise.
13431         * config/rs6000/rs6000.c (rs6000_spe): New variable.
13432         (rs6000_isel): New variable.
13433         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
13434
13435 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13436
13437         PR c++/35758
13438         * c-common.c (handle_vector_size_attribute): Call
13439         lang_hooks.types.reconstruct_complex_type instead of
13440         reconstruct_complex_type.
13441         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
13442         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
13443         * langhooks.h (struct lang_hooks_for_types): Add
13444         reconstruct_complex_type hook.
13445         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
13446         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
13447
13448 2008-04-24  Richard Guenther  <rguenther@suse.de>
13449
13450         * c-common.h (check_builtin_function_arguments): Declare.
13451         * c-common.c (validate_nargs): New function.
13452         (check_builtin_function_arguments): Likewise.
13453         * c-typeck.c (build_function_call): Call
13454         check_builtin_function_arguments.
13455         * builtins.c (fold_builtin_classify): Remove error reporting code.
13456         (fold_builtin_unordered_cmp): Likewise.
13457         (fold_builtin_1): Likewise.
13458         (fold_builtin_n): Likewise.
13459
13460 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13461
13462         PR tree-optimization/36008
13463         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
13464         the original op1, rather than delta by step.
13465
13466 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
13467             Sebastian Pop  <sebastian.pop@amd.com>
13468
13469         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
13470         eliminate_local_variables_stmt, eliminate_local_variables,
13471         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
13472         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
13473         of code delimited by two edges in the CFG.
13474         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
13475         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
13476         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
13477         the case of parallelisation of reductions.
13478         (expr_invariant_in_region_p): New.
13479
13480         * tree-flow.h (gather_blocks_in_sese_region): Declared.
13481         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
13482
13483 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13484             Richard Guenther  <rguenther@suse.de>
13485
13486         PR tree-optimization/36034
13487         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
13488         incapable of dealing with loads with gaps.
13489
13490 2008-04-24  Rafael Espindola  <espindola@google.com>
13491
13492         * tree-flow.h (vrp_evaluate_conditional): Change signature.
13493         * tree-ssa-propagate.c (fold_predicate_in): Update call to
13494         vrp_evaluate_conditional.
13495         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
13496         (vrp_evaluate_conditional): Split the cond argument.
13497         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
13498         (simplify_stmt_for_jump_threading): Update call to
13499         vrp_evaluate_conditional.
13500
13501 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13502
13503         PR tree-optimization/35982
13504         * tree-vect-analyze.c (vect_check_interleaving): Check that the
13505         interleaved data-refs are of the same type.
13506
13507 2008-04-24  Danny Smith  <dannysmith@users.net>
13508
13509         * c-format.c (check_format_info_main): Use strncmp rather than a
13510         magic prefix to handle multichar length specs.
13511         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
13512         Don't prefix "I64" and "I32" with '\0'.
13513
13514 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13515
13516         PR target/36015
13517         * config/i386/i386.c (init_cumulative_args): Don't pass anything
13518         in registers for -m32 only if stdarg_p (fntype).
13519
13520 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
13521
13522         PR rtl-optimization/36006
13523         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
13524         temp to op0 in order to avoid invalid rtx sharing.
13525
13526 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13527
13528         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
13529         check TREE_INVARIANT.
13530         * tree-gimple.c (is_gimple_address): New.
13531         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
13532         * tree-gimple.h (is_gimple_address): New.
13533         * tree.h (decl_address_invariant_p): New.
13534         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
13535         (build_string): Likewise.
13536         (decl_address_invariant_p): New, from is_gimple_invariant_address.
13537         (tree_invariant_p_1): Likewise.
13538         (save_expr): Use it.
13539         (tree_invariant_p): New.
13540         (skip_simple_arithmetic): Use it.
13541         (stabilize_reference_1): Use it.
13542         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
13543         simplify.
13544         (build1_stat): Drop code to compute TREE_INVARIANT.
13545         (build2_stat): Drop code to compute TREE_INVARIANT.
13546         (build3_stat): Drop code to compute TREE_INVARIANT.
13547         (build4_stat): Drop code to compute TREE_INVARIANT.
13548         (build5_stat): Drop code to compute TREE_INVARIANT.
13549         (build7_stat): Drop code to compute TREE_INVARIANT.
13550         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
13551         * tree.h (struct tree_base): Remove invariant_flag.
13552         (TREE_INVARIANT): Remove.
13553         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
13554         (fold_builtin_expect): Check TREE_CONSTANT.
13555         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
13556         * c-tree.h (c_expr_to_decl): Drop third parameter.
13557         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
13558         (build_c_cast): Don't set TREE_INVARIANT.
13559         (pop_init_level): Don't set TREE_INVARIANT.
13560         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
13561         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
13562         TREE_CONSTANT.
13563         (gimplify_init_constructor): Don't set TREE_INVARIANT.
13564         (gimplify_addr_expr): Adjust comment.
13565         * tree-mudflap.c (mf_build_string):
13566         * print-tree.c (print_node): Don't print TREE_INVARIANT.
13567         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
13568         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
13569         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
13570         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
13571         * langhooks.h (struct lang_hooks): Drop third parameter from
13572         expr_to_decl.
13573
13574 2008-04-23  Richard Guenther  <rguenther@suse.de>
13575
13576         PR tree-optimization/27799
13577         PR tree-optimization/32921
13578         PR tree-optimization/32624
13579         * tree-ssa-structalias.c (merge_smts_into): Only merge the
13580         SMTs aliases and the tag itself into the solution.
13581         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
13582         merge the points-to solution back into the SMT aliases.
13583         (may_alias_p): Use alias_set_subset_of instead of
13584         aliases_conflict_p.  A pointer which points to
13585         memory with alias set zero may access any variable.
13586
13587 2008-04-23  Richard Guenther  <rguenther@suse.de>
13588
13589         * alias.c (alias_set_subset_of): Correctly handle asking
13590         if zero is a subset of an alias set with zero child.
13591         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
13592         (compute_flow_insensitive_aliasing): Correctly walk all
13593         pointers.  Do not unnecessarily union sets.
13594
13595 2008-04-23  Richard Guenther  <rguenther@suse.de>
13596
13597         PR middle-end/36021
13598         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
13599
13600 2008-04-22  Tomas Bily  <tbily@suse.cz>
13601
13602         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
13603         unreachable case.
13604         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
13605         NON_LVALUE_EXPR.
13606         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
13607         * tree-ssa-structalias.c (get_constraint_for): Likewise.
13608         * tree-inline.c (estimate_num_insns_1): Likewise.
13609         * varasm.c (const_hash_1, compare_constant, copy_constant)
13610         (compute_reloc_for_constant, output_addressed_constants): Likewise.
13611         * emit-rtl.c (component_ref_for_mem_expr)
13612         (set_mem_attributes_minus_bitpos): Likewise.
13613         * expr.c (highest_pow2_factor, expand_expr_real_1, )
13614         (is_aligning_offset): Likewise.
13615         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
13616         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
13617         * dojump.c (do_jump): Likewise.
13618         * builtins.c (get_pointer_alignment, get_memory_rtx)
13619         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
13620         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
13621
13622 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
13623
13624         PR rtl-optimization/36017
13625         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
13626         expanding the library call.
13627
13628 2008-04-22  Ian Lance Taylor  <iant@google.com>
13629
13630         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
13631         than size_in_bytes.
13632
13633 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
13634
13635         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
13636         of LR/CTR moves for Power6.
13637
13638 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
13639
13640         PR middle-end/36003
13641         * passes.c (init_optimization_passes): Remove
13642         pass_fast_rtl_byte_dce.
13643
13644 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
13645
13646         PR target/29096
13647         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
13648         builtin functions to generate faster code.
13649         (_mm_cvtpu16_ps): Ditto.
13650         (_mm_cvtpi32x2_ps): Ditto.
13651
13652 2008-04-22  Nick Clifton  <nickc@redhat.com>
13653
13654         * common.opt (ftree-loop-distribution): Add Optimization
13655         attribute.
13656
13657         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
13658         (frv_expand_builtin_va_start): Likewise.
13659
13660         * config/arm/arm.c (thumb_find_work_register): Fix location of
13661         argument register count.
13662
13663 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13664
13665         Support scheduling for ColdFire V1 and V3 microarchitecture.
13666         Improve scheduling of multiplication instructions.
13667
13668         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
13669         (mac): New instruction attribute.
13670         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
13671         (m68k_sched_mac): New variable.
13672         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
13673         Handle cfv1 and cfv3.
13674         (max_insn_size): New static variable.
13675         (struct _sched_ib): New type.
13676         (sched_ib): New static variable.
13677         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
13678         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
13679         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
13680         Update.
13681         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
13682         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
13683         new variables.  Update.
13684         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
13685         Add modeling of cfv3 instruction buffer.  Update.
13686         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
13687         * config/m68k/m68k.h (TUNE_CFV3): New macro.
13688         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
13689         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
13690         a particular reservation applies to.
13691         (type2): Reorganize attribute values.  Rename alu to alu_reg,
13692         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
13693         to mul_l and mul_w.
13694         (cf_ib_*): Simplify description of instruction buffer.
13695         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
13696         (cf_mem): Split into cf_mem1 and cf_mem2.
13697         (cf_v2_move_??): Rename to cfv12_alu_??.
13698         (cf_v2_move_l_??): Rename to cfv12_omove_??.
13699         (cf_v2_mul_??): Remove reservations.
13700         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
13701         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
13702         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
13703         appropriate place.
13704         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
13705         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
13706         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
13707         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
13708         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
13709         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
13710         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
13711         expansions of the above reservations for instructions of sizes
13712         1, 2 and 3 words.
13713
13714 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13715
13716         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
13717
13718 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
13719
13720         * coverage.c: Include tree-pass.h.
13721         (coverage_counter_alloc): Print da_file_name to the dump file.
13722
13723 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
13724
13725         * sbitmap.c (sbitmap_range_empty_p): New function.
13726         * sbitmap.h (sbitmap_range_empty_p): New function.
13727         * bitmap.h: Now includes obstack.h.
13728
13729 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
13730             Kenneth Zadeck  <zadeck@naturalbridge.com>
13731
13732         * dbgcnt.def (ra_byte_scan): Added.
13733         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
13734         when the last hit happens for a counter.
13735         * timevar.def (TV_DF_BYTE_LR): New variable.
13736         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
13737         * passes.c (pass_fast_rtl_byte_dce): New pass.
13738         * fwprop.c (update_df): Added mode to call df_ref_create.
13739         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13740         DF_REF_EXTRACT_OFFSET.
13741         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
13742         DF_BYTE_LR_OUT, df_byte_lr): New macro.
13743         (df_mm): New enum.
13744         (df_ref_extract): Added mode field.
13745         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
13746         DF_REF_EXTRACT_OFFSET.
13747         (DF_REF_EXTRACT_MODE): New macro.
13748         (df_byte_lr_bb_info): New structure.
13749         (df_print_byte_regset, df_compute_accessed_bytes,
13750         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
13751         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
13752         df_byte_lr_simulate_uses,
13753         df_byte_lr_simulate_artificial_refs_at_top,
13754         df_byte_lr_simulate_artificial_refs_at_end,
13755         df_compute_accessed_bytes): New function.
13756         (df_ref_create): Add parameter.
13757         (df_byte_lr_get_bb_info): New inline function.
13758         * df-scan.c (df_ref_record, df_uses_record,
13759         df_ref_create_structure): Added mode parameter.
13760         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
13761         df_defs_record, df_uses_record, df_get_conditional_uses,
13762         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
13763         df_entry_block_defs_collect, df_exit_block_uses_collect):
13764         Added mode parameter to calls to df_ref_record, df_uses_record,
13765         df_ref_create_structure.
13766         (df_ref_equal_p, df_ref_compare): Added test for modes.
13767         (df_ref_create_structure): Added code to set mode.  Renamed
13768         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13769         DF_REF_EXTRACT_OFFSET.
13770         * df-core.c (df_print_byte_regset): New function.
13771         * df-byte-scan.c: New file.
13772         * df-problems.c (df_rd_transfer_function): Removed unnecessary
13773         calls to BITMAP_FREE.
13774         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
13775         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
13776         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
13777         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
13778         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
13779         df_byte_lr_local_compute, df_byte_lr_init,
13780         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
13781         df_byte_lr_transfer_function, df_byte_lr_free,
13782         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
13783         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
13784         df_byte_lr_simulate_uses,
13785         df_byte_lr_simulate_artificial_refs_at_top,
13786         df_byte_lr_simulate_artificial_refs_at_end): New function.
13787         * dce.c (byte_dce_process_block): New function.
13788         (dce_process_block): au is now passed in rather than computed
13789         locally.  Changed loops that look at artificial defs to not look
13790         for conditional or partial ones, because there never are any.
13791         (fast_dce): Now is able to drive byte_dce_process_block or
13792         dce_process_block depending on the kind of dce being done.
13793         (rest_of_handle_fast_dce): Add parameter to fast_dce.
13794         (rest_of_handle_fast_byte_dce): New function.
13795         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
13796         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
13797
13798 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
13799
13800         PR fortran/35019
13801         * gcc.h: Added fortran options that take arguments to
13802         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
13803         macros.
13804
13805 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
13806
13807         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
13808         scalarization if on the LHS and not a full access.
13809
13810 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13811
13812         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
13813
13814 2008-04-18  Rafael Espindola  <espindola@google.com>
13815
13816         * tree-vrp.c (find_case_label_index): Fix the binary search.
13817         (find_case_label_range): New.
13818         (vrp_visit_switch_stmt): Use find_case_label_range.
13819         (simplify_switch_using_ranges): Use find_case_label_range.
13820
13821 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
13822
13823         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
13824         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
13825
13826 2008-04-18  Tom Tromey  <tromey@redhat.com>
13827
13828         PR libcpp/15500:
13829         * doc/cpp.texi (Implementation-defined behavior): Mention
13830         -finput-charset.
13831
13832 2008-04-18  Ian Lance Taylor  <iant@google.com>
13833
13834         * fold-const.c (pointer_may_wrap_p): New static function.
13835         (fold_comparison): Add another test for pointer overflow.  Use
13836         pointer_may_wrap_p to disable some false positives.
13837
13838 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
13839
13840         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
13841         (fname_as_string): Match updated cpp_interpret_string prototype.
13842         (fix_string_type): Support char16_t* and char32_t*.
13843         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
13844         derivative) nodes.  Register as builtin if C++0x.
13845         (c_parse_error): Support CPP_CHAR{16,32}.
13846         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
13847         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
13848         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
13849         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
13850         CTI_CHAR32_ARRAY_TYPE>: New elements.
13851         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
13852         char32_type_node, signed_char32_type_node, char16_array_type_node,
13853         char32_array_type_node): New defines.
13854         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
13855         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
13856         (lex_string): Support CPP_STRING{16,32}, match updated
13857         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
13858         (lex_charconst): Support CPP_CHAR{16,32}.
13859         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
13860         and CPP_STRING{16,32}.
13861
13862 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
13863
13864         PR bootstrap/35457
13865         * aclocal.m4: Regenerate.
13866         * configure: Regenerate.
13867
13868 2008-04-18  Jan Hubicka  <jh@suse.cz>
13869
13870         * except.c (dw2_size_of_call_site_table,
13871         sjlj_size_of_call_site_table): Use vector API for call_site_record.
13872
13873         * cgraphbuild.c (build_cgraph_edges): Update.
13874         * tree-pass.h: Update comment.
13875         * final.c (leaf_function_p): Update.
13876         (leaf_renumber_regs): Update.
13877         (rest_of_clean_state): Update.
13878         * omp-low.c (expand_omp_parallel): Update.
13879         * ipa-reference.c (analyze_function): Update.
13880         * reorg.c (find_end_label): Update.
13881         (optimize_skip): Update.
13882         (fill_simple_delay_slots): Update.
13883         (fill_simple_delay_slots): Update.
13884         (make_return_insns): Update.
13885         (dbr_schedule): Update.
13886         * gimple-low.c (record_vars_into): Update.
13887         * cfgbuild.c (make_edges): Update.
13888         * function.c (assign_stack_local): Update.
13889         (assign_parm_adjust_stack_rtl): Update.
13890         (locate_and_pad_parm): Update.
13891         (allocate_struct_function): Do not initialize stack_alignment_needed
13892         and preferred_stack_boundary here.
13893         (stack_protect_prologue): Update.
13894         (stack_protect_epilogue): Update.
13895         (expand_function_start): Initialize stack_alignment_needed,
13896         preferred_stack_boundary and max_jumptable_ents.
13897         (expand_function_end): Update.
13898         (free_after_compilation): Do not NULLify epilogue_delay_list.
13899         * function.h (struct rtl_data): Add stack_protect_guard,
13900         stack_alignment_needed,
13901         preferred_stack_boundary, epilogue_delay_list.
13902         (struct function): Remove value_histograms, stack_alignment_needed,
13903         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
13904         last_label_uid,
13905         unexpanded_var_list, stack_protect_guard.
13906         (current_function_epilogue_delay_list): Remove.
13907         * ipa-type-escape.c (analyze_function): Update.
13908         * gimplify.c (pop_gimplify_context): Update comment.
13909         * calls.c (expand_call): Update.
13910         (emit_library_call_value_1): Update.
13911         * except.c (set_nothrow_function_flags): Update.
13912         * cfgexpand.c (get_decl_align_unit): Update.
13913         (create_stack_guard): Update.
13914         (estimated_stack_frame_size): Update.
13915         (expand_used_vars): Update.
13916         (tree_expand_cfg): Free histogram earliers, init expansion variables.
13917         * explow.c (allocate_dynamic_stack_space): Update.
13918         * tree-ssa-live.c (remove_unused_locals): Update.
13919         * varasm.c (mark_constant_pool): Update.
13920         * tree-inline.c (remap_decls): Update.
13921         (initialize_cfun): Update.
13922         (declare_return_variable): Update.
13923         (inline_forbidden_p): Update.
13924         (expand_call_inline): Update.
13925         (declare_inline_vars): Update.
13926         (tree_function_versioning): Update.
13927         * tree-flow.h (value_histograms): New.
13928         (VALUE_HISTOGRAMS): New macro.
13929         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
13930         last_label_uid.
13931         * tree-cfg.c (set_bb_for_stmt): Update.
13932         (replace_by_duplicate_decl): Update.
13933         (move_block_to_fn): Update.
13934         (new_label_mapper): Update.
13935         (dump_function_to_file): Update.
13936         * ipa-struct-reorg.c (build_data_structure): Update.
13937         * cfgrtl.c (print_rtl_with_bb): Update.
13938         * reload1.c (reload): Update.
13939         (reload): Update.
13940         * config/i386/i386.c (setup_incoming_varargs_64,
13941         ix86_compute_frame_layout): Update.
13942         * config/arc/arc.c (arc_output_function_epilogue): Update.
13943
13944 2008-04-18  Marius Strobl <marius@FreeBSD.org>
13945
13946         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
13947         for FreeBSD as well.
13948         * gthr-posix95.h: Likewise.
13949
13950 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
13951
13952         PR rtl-optimization/35838
13953         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
13954         out the byte offset of the first subreg.
13955
13956 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
13957
13958         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
13959         to split_ti instead of three separate calls with single member arrays.
13960         (subti3 splitter): Ditto.
13961         (adddi3 splitter): Ditto with split_di.
13962         (subdi3 splitter): Ditto.
13963         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
13964         two separate calls with single member arrays.  Swap match_dup
13965         operands 1 and 2 to better fit into the array.
13966         (negdi2 splitter): Ditto with split_di.
13967         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
13968         two separate calls with single member arrays.  Swap match_dup operands
13969         6 and 7 to better fit into the array.
13970
13971 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
13972
13973         * config/i386/i386.c (sse_builtin_type): New.
13974         (bdesc_sse_args): Likewise.
13975         (bdesc_sse_3arg): Removed.
13976         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
13977         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
13978         IX86_BUILTIN_ROUNDPS.
13979         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
13980         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
13981         IX86_BUILTIN_ROUNDPS.
13982         (ix86_expand_sse_4_operands_builtin): Removed.
13983         (ix86_expand_sse_operands_builtin): New.
13984         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
13985         and CODE_FOR_sse4_1_roundps.
13986         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
13987         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
13988
13989 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
13990
13991         PR target/35907
13992         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
13993         regs before frame pop when needed.  If use_backchain_to_restore_sp
13994         then load backchain into a temp reg to restore vr and vrsave.  Add
13995         code to restore vr after frame pop if possible.
13996
13997 2008-04-17  Richard Guenther  <rguenther@suse.de>
13998
13999         * tree-vn.c (expressions_equal_p): Do not check type
14000         equality or compatibility before calling operand_equal_p.
14001         * fold-const.c (operand_equal_p): Check equivalence of
14002         integer constants before bailing out due to signedness or
14003         precision differences.
14004         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
14005         spurious differences in type qualification.  Ignore types
14006         for COMPONENT_REFs at all.
14007
14008 2008-04-17  Christian Bruel  <christian.bruel@st.com>
14009
14010         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
14011         msw_skip comparison.
14012
14013 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
14014
14015         PR c/35739
14016         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
14017         reg type.
14018
14019         PR tree-optimization/35899
14020         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
14021         rather than TREE_OPERAND.
14022
14023 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
14024
14025         PR target/35944
14026         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
14027         temporary registers.  Change operand predicate to general_operand.
14028         (remainderxf3): Ditto.
14029
14030 2008-04-16  Richard Guenther  <rguenther@suse.de>
14031
14032         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
14033         * tree-affine.c (aff_combination_expand): Look through some
14034         conversions.
14035
14036 2008-04-15  Doug Kwan  <dougkwan@google.com>
14037
14038         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
14039         for hex printing.
14040         * tree-pretty-print.c (dump_generic_node): Ditto.
14041         * final.c (output_addr_const): Ditto.
14042         * dwarf2out.c (output_cfi): Ditto.
14043         * c-pretty-print.c (pp_c_integer_constant): Ditto.
14044         * print-rtl.c (print_rtx): Ditto.
14045         * print-tree.c (print_node_brief, print_node): Ditto.
14046         * c-common.c (match_case_to_enum_1): Ditto.
14047         * sched-vis.c (print_value): Ditto.
14048         * config/i386/i386.c (print_operand): Cast to long unsigned int
14049         for hex printing.
14050
14051 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
14052         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
14053         MS Windows VirtualProtect function.
14054
14055 2008-04-15  Jan Hubicka  <jh@suse.cz>
14056
14057         * gengtype.c (write_root): Param_is argument is OK.
14058         * expr.c (expand_expr_real_1): Update call of get_exception_*.
14059         * function.h: Include varray.h
14060         (rtl_eh): New stucture based on except.c one.
14061         (call_site_record): New forward declaration and vector type.
14062         * calls.c (emit_call_1): Do not call
14063         note_current_region_may_contain_throw.
14064         * except.c (eh_status): Remove cur_region, try_region since they are
14065         unused.
14066         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
14067         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
14068         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
14069         Remove call_site_data_used, call_site_data_size.
14070         Turn call_site_record into vector in function.h.
14071         (note_current_region_may_contain_throw): Remove.
14072         (get_exception_pointer, get_exception_filter): Do not take struct
14073         function argument; update.
14074         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
14075         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
14076         build_post_landing_pads, dw2_build_landing_pads,
14077         sjlj_assign_call_site_values, sjlj_mark_call_sites,
14078         sjlj_emit_function_enter, sjlj_emit_function_enter,
14079         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
14080         sjlj_build_landing_pads, finish_eh_generation,
14081         remove_exception_handler_label, remove_eh_handler,
14082         maybe_remove_eh_handler, add_reachable_handler,
14083         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
14084         add_action_record, collect_one_action_chain, add_call_site,
14085         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
14086         sjlj_output_call_site_table, output_function_exception_table,
14087         * except.h (note_current_region_may_contain_throw): Remove
14088         (get_exception_pointer, get_exception_filter): Do not take struct
14089         function argument.
14090         * Makefile.in (GTFILES): Put varargs before struct function.
14091
14092 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
14093
14094         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
14095         punt for STRING_CST.
14096         (get_constraint_for): Deal with STRING_CST here instead.
14097
14098 2008-04-15  Richard Guenther  <rguenther@suse.de>
14099
14100         * tree-ssa-propagate.c (substitute_and_fold): Substitute
14101         statements in a basic-block with a backward walk.  Do not
14102         substitute into dead statements but instead remove those.
14103
14104 2008-04-15  Richard Guenther  <rguenther@suse.de>
14105
14106         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
14107         to zero, thus disable creation of SFTs.
14108
14109 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
14110
14111         * tree-predcom.c (suitable_reference_p): Return false if the
14112         reference can throw.
14113
14114 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
14115
14116         PR c/35751
14117         * c-decl.c (finish_decl): If extern or static var has variable
14118         size, set TREE_TYPE (decl) to error_mark_node.
14119
14120 2008-04-15  Rafael Espindola  <espindola@google.com>
14121
14122         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
14123         variable arg1.
14124
14125 2008-04-15  Richard Guenther  <rguenther@suse.de>
14126
14127         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
14128         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
14129         (visit_reference_op_load): Do walk vuse-vdef chains on
14130         vn_reference_lookup.
14131         (visit_reference_op_store): But do not here.
14132         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
14133         vn_reference_lookup.
14134         (vn_lookup_with_vuses): But do so here.
14135
14136 2008-04-14  Ian Lance Taylor  <iant@google.com>
14137
14138         * fold-const.c (fold_overflow_warning): Remove assertion.
14139
14140 2008-04-15  Ben Elliston  <bje@au.ibm.com>
14141
14142         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
14143         temp1 local variables.
14144
14145 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
14146
14147         PR target/35661
14148         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
14149         ".text.unlikely" section as executable.
14150
14151 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
14152
14153         * config/ia64/ia64.c (rtx_needs_barrier): Handle
14154         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
14155         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
14156         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
14157         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
14158         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
14159         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
14160
14161 2008-04-14  Ian Lance Taylor  <iant@google.com>
14162
14163         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
14164         * fold-const.c (fold_comparison): If appropriate, test
14165         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
14166         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
14167         reassociating a pointer type.
14168         * doc/invoke.texi (Optimize Options): Document that
14169         -fstrict-overflow applies to pointer wraparound.
14170
14171 2008-04-13  Jan Hubicka  <jh@suse.cz>
14172
14173         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
14174
14175 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
14176
14177         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
14178         we are going to "save the world".
14179
14180 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
14181
14182         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
14183         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
14184         operand 0 constraint, not "=".
14185
14186 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
14187
14188         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
14189
14190 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14191
14192         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
14193         of size of positions_needed * CHAR_BIT.
14194
14195 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14196
14197         PR middle-end/35897
14198         * dse.c (store_info): Change positions_needed to unsigned
14199         HOST_WIDE_INT.
14200         (lowpart_bitmask): New.
14201         (record_store): Cast to unsigned HOST_WIDE_INT for
14202         positions_needed.  Assert width <= size of positions_needed *
14203         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
14204         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
14205         lowpart_bitmask to set mask.
14206
14207 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
14208
14209         * config/bfin/constraints.md: New file.
14210         * config/bfin/bfin.md: Include it.
14211         (adddi3): Use satisfies_constraint functions instead of the old macros.
14212         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
14213         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
14214         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
14215         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
14216         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
14217         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
14218         EXTRA_CONSTRAINT): Delete.
14219         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
14220         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
14221         of the old macros.
14222         * config/bfin/bfin.c: Include "tm-constrs.h".
14223         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
14224         Use satisfies_constraint functions instead of the old macros.
14225         * doc/md.texi (Blackfin Constraints): Update file name reference.
14226
14227 2008-04-11  Richard Guenther  <rguenther@suse.de>
14228
14229         PR tree-optimization/35869
14230         * tree-vrp.c (execute_vrp): Move switch statement update after
14231         jump threading.  Schedule another cfg cleanup run.
14232
14233 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
14234
14235         PR c/35744
14236         * attribs.c (decl_attributes): Return early on errorneous node.
14237
14238 2008-04-10  Oleg Ryjkov  <olegr@google.com>
14239
14240         * tree.h (struct tree_base): Added a new flag default_def_flag.
14241         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
14242
14243 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
14244
14245         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
14246
14247 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14248
14249         PR target/35768
14250         * pa.md: Define mode iterator P.  Define mode attribute dwc.
14251         (dcacheflush): Update pattern to use iterator P and attribute dwc.
14252         (icacheflush): Likewise.
14253         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
14254         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
14255
14256 2008-04-11  Ben Elliston  <bje@au.ibm.com>
14257
14258         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
14259
14260 2008-04-10  Rafael Espindola  <espindola@google.com>
14261
14262         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
14263         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
14264         (extract_range_from_expr): The same.
14265
14266 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14267
14268         * config/mips/mips.md (GPR2): New mode iterator.
14269         (seq): Add comment.
14270         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
14271         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
14272         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
14273         Rewrite these to take two modes, the mode of comparison and the
14274         mode of the destination.
14275         * config/mips/mips.c (mips_expand_scc): Instead of having
14276         paradoxical subreg as destination, expand "narrowing" scc if mode
14277         of comparison is SI and target is requested in DI mode.
14278         (mips_emit_int_order_test): Update comment.  Make mode of
14279         comparison match CMP0 rather than TARGET.  When creating inverse
14280         target use mode of TARGET.
14281
14282 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14283
14284         * gcov-dump.c (tag_summary): Only print summaries for the first
14285         GCOV_COUNTERS_SUMMABLE counters.
14286
14287 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
14288
14289         * config/i386/i386.md (absneg): New code iterator.
14290         (absnegprefix): New code attribute.
14291         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
14292         patterns using absneg code iterator.
14293         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
14294         using absneg code iterator.
14295         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
14296         *neg<mode>2 patterns using absneg code iterator.
14297         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14298         *negextendsfdf2 patterns using absneg code iterator.
14299         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
14300         *negextendsfxf2 patterns using absneg code iterator.
14301         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14302         *negextendsfdf2 patterns using absneg code iterator.
14303         * config/i386/sse.md (<code><mode>2): Macroize expander from
14304         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
14305
14306 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
14307
14308         * config/s390/s390.h: Remove the remains of the recent search
14309         & replace action of current_function_outgoing_args_size.
14310
14311 2008-04-10  Ira Rosen  <irar@il.ibm.com>
14312
14313         PR tree-optimization/35821
14314         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
14315         NEW_STMT_LIST is not NULL.
14316
14317 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
14318
14319         PR libstdc++/35597
14320         * toplev.c (process_options): Remove -ffunction-sections debugging
14321         warning.
14322
14323 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
14324
14325         PR middle-end/PR28690
14326         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
14327         than gen_rtx_fmt_ee to perform more canonicalizations.
14328
14329 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14330
14331         PR driver/35665
14332         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
14333
14334 2008-04-09  Richard Guenther  <rguenther@suse.de>
14335
14336         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
14337         (dump_function_to_file): Dump function arguments with types.
14338
14339 2008-04-08  Richard Guenther  <rguenther@suse.de>
14340
14341         * fold-const.c (fold_widened_comparison): Do not allow
14342         sign-changes that change the result.
14343
14344 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
14345
14346         PR target/35839
14347         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
14348         kinds of indirect references.
14349
14350 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
14351
14352         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
14353         GNU Fortran language string.
14354
14355 2008-04-08  Rafael Espindola  <espindola@google.com>
14356
14357         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
14358         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
14359         * tree.h (tree_call_nonnegative_warnv_p): New.
14360
14361 2008-04-08  Jan Hubicka  <jh@suse.cz>
14362
14363         * function.c (free_after_compilation): Clear out regno_reg_rtx
14364         pointer.
14365
14366 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
14367
14368         Revert
14369         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14370
14371         PR middle-end/PR28690
14372         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
14373         same precedence as REG_POINTER and MEM_POINTER operands.
14374
14375 2008-04-08  Richard Guenther  <rguenther@suse.de>
14376
14377         PR middle-end/35834
14378         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
14379         for adding index to base.
14380
14381 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
14382
14383         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
14384         (MINGW_ENABLE_EXECUTE_STACK): New.
14385         (IN_LIBGCC2): For libgcc include windows.h file for
14386         function declarations.
14387
14388 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
14389
14390         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
14391         and tem2 if tem1 is not a REG or MULT.
14392
14393 2008-04-08  Jan Hubicka  <jh@suse.cz>
14394
14395         * function.h (incomming_args): Break out of struct function.
14396         (function_subsections): Break out of struct function.
14397         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
14398         return_rtx and hard_reg_initial_vals from struct function.
14399         Kill inl_max_label_num.
14400         (current_function_pops_args, current_function_args_info,
14401         current_function_args_size, current_function_args_size,
14402         current_function_pretend_args_size,
14403         current_function_outgoing_args_size,
14404         current_function_internal_arg_pointer, current_function_return_rtx):
14405         Kill compatibility accestor macros.
14406         * builtins.c (expand_builtin_apply_args_1): Update.
14407         (expand_builtin_next_arg): Update.
14408         * df-scan.c (df_get_call_refs): Update.
14409         * dbxout.c (dbxout_function_end): Update.
14410         * dwarf2out.c (dwarf2out_switch_text_section): Update.
14411         (output_line_info): Update.
14412         (secname_for_decl): Update.
14413         (dwarf2out_var_location): Update.
14414         * function.c (free_after_compilation): Update.
14415         (assign_parm_find_stack_rtl): Update.
14416         (assign_parms): Update.
14417         (expand_dummy_function_end): Update.
14418         (expand_function_end): Update.
14419         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
14420         (expand_call): Update.
14421         (emit_library_call_value_1): Update.
14422         (store_one_arg): Update.
14423         * varasm.c (initialize_cold_section_name): Update.
14424         (unlikely_text_section): Update.
14425         (unlikely_text_section_p): Update.
14426         (assemble_start_function): Update.
14427         (assemble_end_function): Update.
14428         (default_section_type_flags): Update.
14429         (switch_to_section): Update.
14430         * integrate.c (set_decl_abstract_flags): Update.
14431         (get_hard_reg_initial_val): Update.
14432         (has_hard_reg_initial_val): Update.
14433         (allocate_initial_values): Update.
14434         * resource.c (init_resource_info): Update.
14435         * config/alpha/alpha.c (NUM_ARGS): Update.
14436         (direct_return): Update.
14437         (alpha_va_start): Update.
14438         (alpha_sa_size): Update.
14439         (alpha_initial_elimination_offset): Update.
14440         (alpha_expand_prologue): Update.
14441         (alpha_start_function): Update.
14442         (alpha_expand_epilogue): Update.
14443         (unicosmk_initial_elimination_offset):
14444         * config/alpha/alpha.md (call expander): Update.
14445         * config/s390/s390.c (s390_register_info): Update.
14446         (s390_register_info): Update.
14447         (s390_frame_info): Update.
14448         (s390_initial_elimination_offset): Update.
14449         (s390_build_builtin_va_list): Update.
14450         (s390_va_start): Update.
14451         * config/spu/spu.c (direct_return): Update.
14452         (spu_expand_prologue): Update.
14453         (spu_initial_elimination_offset): Update.
14454         (spu_build_builtin_va_list): Update.
14455         (spu_va_start): Update.
14456         * config/sparc/sparc.c (sparc_init_modes): Update.
14457         (sparc_compute_frame_size): Update.
14458         (function_value): Update.
14459         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
14460         * config/i386/i386.md (return expander): Update.
14461         * config/i386/i386.c (ix86_va_start): Update.
14462         (ix86_can_use_return_insn_p): Update.
14463         (ix86_compute_frame_layout): Update.
14464         (ix86_expand_epilogue): Update.
14465         * config/sh/sh.c (output_stack_adjust): Update.
14466         (calc_live_regs): Update.
14467         (sh_expand_prologue): Update.
14468         (sh_builtin_saveregs): Update.
14469         (sh_va_start): Update.
14470         (initial_elimination_offset): Update.
14471         (sh_allocate_initial_value): Update.
14472         (sh_function_ok_for_sibcall): Update.
14473         (sh_get_pr_initial_val): Update.
14474         * config/sh/sh.md (return expander): Update.
14475         * config/avr/avr.c (frame_pointer_required_p): UPdate.
14476         * config/crx/crx.c (crx_compute_frame): UPdate.
14477         (crx_initial_elimination_offset): UPdate.
14478         * config/xtensa/xtensa.c (compute_frame_size): Update
14479         (xtensa_builtin_saveregs): Update.
14480         (xtensa_va_start): Update.
14481         (order_regs_for_local_alloc): Update.
14482         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
14483         (xstormy16_expand_builtin_va_start): Update.
14484         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
14485         * config/m68hc11/m68hc11.md (return expanders): Update.
14486         * config/m68hc11/m68hc11.c (expand_prologue): Update.
14487         (expand_epilogue): Update.
14488         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
14489         (cris_simple_epilogue): Update.
14490         (cris_expand_prologue): Update.
14491         (cris_expand_epilogue): Update.
14492         * config/iq2000/iq2000.c (iq2000_va_start): Update.
14493         (compute_frame_size): Update.
14494         * config/mt/mt.c (mt_compute_frame_size): Update.
14495         * config/mn10300/mn10300.c (expand_prologue): Update.
14496         (expand_epilogue): Update.
14497         (initial_offset): Update.
14498         (mn10300_builtin_saveregs):
14499         * config/mn10300/mn10300.md (return expander): Update.
14500         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
14501         (ia64_initial_elimination_offset): Update.
14502         (ia64_initial_elimination_offset): Update.
14503         (ia64_expand_prologue): Update.
14504         * config/m68k/m68k.md (return expander): Update.
14505         * config/rs6000/rs6000.c (rs6000_va_start): Update.
14506         (rs6000_stack_info): Update.
14507         * config/mcore/mcore.c (layout_mcore_frame): Update.
14508         (mcore_expand_prolog): Update.
14509         * config/arc/arc.c (arc_compute_frame_size): Update.
14510         * config/score/score3.c (score3_compute_frame_size): Update.
14511         * config/score/score7.c (score7_compute_frame_size): Update.
14512         * config/arm/arm.c (use_return_insn): Update.
14513         (thumb_find_work_register): Update.
14514         (arm_compute_save_reg_mask): Update.
14515         (arm_output_function_prologue): Update.
14516         (arm_output_epilogue): Update.
14517         (arm_size_return_regs): Update.
14518         (arm_get_frame_offsets): Update.
14519         (arm_expand_prologue): Update.
14520         (thumb_exit): Update.
14521         (thumb_unexpanded_epilogue): Update.
14522         (thumb1_output_function_prologue): Update.
14523         * config/pa/pa.md (return expander): Update.
14524         * config/pa/pa.c (compute_frame_size): Update.
14525         (hppa_builtin_saveregs): Update.
14526         * config/mips/mips.c (mips_va_start): Update.
14527         (mips16_build_function_stub): Update.
14528         (mips_compute_frame_info): Update.
14529         (mips_restore_gp): Update.
14530         (mips_output_function_prologue): Update.
14531         (mips_expand_prologue): Update.
14532         * config/v850/v850.c (compute_frame_size): Update.
14533         (expand_prologue): * config/mmix/mmix.c (along): update.
14534         (mmix_initial_elimination_offset): update.
14535         (mmix_reorg): update.
14536         (mmix_use_simple_return): update.
14537         (mmix_expand_prologue): update.
14538         (mmix_expand_epilogue): Update.
14539         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
14540         (emit_link_insn): Update.
14541
14542 2008-04-08  Anatoly Sokolov <aesok@post.ru>
14543
14544         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
14545         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
14546         instructions.
14547         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
14548         atmega103 device.
14549
14550 2008-04-07  Jan Hubicka  <jh@suse.cz>
14551
14552         * function.h (rtl): Rename to x_rtl.
14553         (crtl): New define.
14554         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
14555         frame_offset, stack_check_probe_note, arg_pointer_save_area,
14556         used_temp_slots avail_temp_slots, temp_slot_level,
14557         nonlocal_goto_handler_labels): Update accesstors.
14558         (rtl): New global variable.
14559         (struct function): Move some fileds to rtl_data.
14560         (get_arg_pointer_save_area): Update prototype.
14561         * builtins.c (expand_builtin_setjmp_receiver): Update call of
14562         get_arg_pointer_save_area.
14563         * expr.c (init_expr): Update
14564         * function.c (get_frame_size): Update
14565         (assign_stack_local): Update
14566         (expand_function_end): Update.
14567         (get_art_pointer_save_area): Update
14568         * function.h
14569         * emit-rtl.c (rtl): Declare.
14570         (regno_reg_rtx): Declare.
14571         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
14572         Update.
14573         (gen_reg_rtx): Update.
14574         * varasm.c (n_deferred_constatns): Update accestor.
14575         (init_varasm_status): Do not allocate varasm_status.
14576         (force_const_mem, get_pool_size, output_constant_pool): Update.
14577         * stmt.c (force_label_rtx): Do not use x_ prefixes.
14578         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
14579         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
14580         * sparc/sparc.h (INIT_EXPANDERS): Update.
14581         * ia64/ia64.h (INIT_EXPANDERS): Update.
14582
14583 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
14584
14585         * reload.c (push_secondary_reload): Add missing break to for loop.
14586
14587 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14588
14589         PR middle-end/PR28690
14590         * rtlanal.c: Update copyright years.
14591         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
14592         as REG_POINTER and MEM_POINTER operands.
14593         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
14594         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
14595         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
14596         * gcse.c: Update copyright years.
14597         (pre_delete): Call gen_reg_rtx_and_attrs.
14598         (hoist_code): Likewise.
14599         (build_store_vectors): Likewise.
14600         (delete_store): Likewise.
14601         * loop-invariant.c (move_invariant_reg): Likewise.
14602         Update copyright years.
14603
14604 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
14605
14606         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
14607         control string instead of quoted.
14608
14609 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
14610
14611         * doc/rtl.texi: Rewrite of subreg section.
14612
14613 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
14614
14615         PR/35842
14616         * config/i386/i386.c (legitimize_pic_address): Add treating
14617         of dllimport SYM_REF's.
14618         (legitimize_dllimport_symbol): Add prototype.
14619
14620 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14621
14622         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
14623         reference in constructor with non self-referential type.
14624
14625 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14626
14627         Removal of Return with Depressed Stack Pointer support
14628         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
14629         (ECF_SP_DEPRESSED): Likewise.
14630         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
14631         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
14632         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14633         (expand_call): Do not test ECF_SP_DEPRESSED.
14634         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14635         * function.c (keep_stack_depressed): Delete.
14636         (handle_epilogue_set): Likewise.
14637         (update_epilogue_consts): Likewise.
14638         (emit_equiv_load): Likewise.
14639         (thread_prologue_and_epilogue_insns): Remove support for Return with
14640         Depressed Stack Pointer.
14641         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14642
14643 2008-04-06  Richard Guenther  <rguenther@suse.de>
14644
14645         PR tree-optimization/35400
14646         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
14647         information from SSA_NAMEs.
14648
14649 2008-04-06  Anatoly Sokolov <aesok@post.ru>
14650
14651         * config/avr/avr.h (avr_mega_p): Remove declaration.
14652         (AVR_MEGA): Remove macro.
14653         * config/avr/avr.c (avr_mega_p): Remove variable.
14654         (avr_override_options): Remove inicializion of avr_mega_p.
14655         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14656         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14657         (avr_jump_mode): (Ditto.).
14658         (avr_output_progmem_section_asm_op): (Ditto.).
14659         (avr_asm_init_sections): (Ditto.).
14660         (avr_asm_init_sections): (Ditto.).
14661         (avr_rtx_costs): (Ditto.).
14662         * config/avr/avr.md: (Ditto.).
14663         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
14664         '__AVR_MEGA__'.
14665
14666 2008-04-06  Richard Guenther  <rguenther@suse.de>
14667
14668         PR tree-optimization/35842
14669         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
14670         is_gimple_invariant_address.
14671
14672 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
14673
14674         * gcc.c (default_compilers): Sync Fortran extensions list with
14675         that in fortran/lang-specs.h.
14676         * doc/invoke.texi: Likewise.
14677         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
14678         * dwarf2out.c (gen_compile_unit_die): Likewise.
14679
14680 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
14681
14682         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
14683
14684 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
14685
14686         PR target/12329
14687         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
14688         attribute is used for nested functions.
14689
14690 2008-04-05  Jan Hubicka  <jh@suse.cz>
14691
14692         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
14693
14694         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
14695         letter argument.
14696         (dump_files): Update.
14697         (enable_rtl_dump_file): Do not accept letter argument.
14698         * tree-pass.h (dump_file_info): Remove letter argument.
14699         * toplev.c (decode_d_option): Update -da handling.
14700         * toplev.h (enable_rtl_dump_file): Update prototype.
14701         * passes.c (register_one_dump_file): Do not accept IPA argument; work
14702         it out based on pass type.
14703         (register_dump_files_1): Likewise.
14704         (init_optimization_passes): Update register_one_dump_file calls.
14705         (execute_one_pass): Sanity check that IPA passes are called at IPA
14706         level and RTL passes at RTL level.
14707         (execute_pass_list): IPA pass can not be after or subpass of
14708         GIMPLE/RTL pass.
14709         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
14710         disallov RTL subpasses of IPA subpasses.
14711
14712 2008-04-05  Ben Elliston  <bje@au.ibm.com>
14713
14714         * tree-cfg.c (need_fake_edge_p): Return false for calls to
14715         builtins that return exactly once and do not throw. Cache call to
14716         call_expr_flags.
14717
14718 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
14719
14720         PR rtl-optimization/34916
14721         PR middle-end/35519
14722         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
14723         between instruction pairs.
14724
14725 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
14726
14727         * doc/invoke.texi: Document -mbitops for SH.
14728         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
14729         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
14730         * config/sh/sh.c (print_operand): Add %t operand code.
14731         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
14732         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
14733         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
14734         (extendqihi2): Likewise.
14735         (movqi_i): Likewise.
14736         (insv): Use bset, bclr and bst instructions for SH2A if possible.
14737         (extv): Use bld instruction for SH2A if possible.
14738         (extzv): Likewise.
14739         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
14740         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
14741         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
14742         (bset.b, bclr.b): Define peepholes.
14743         * config/sh/sh.opt (mbitops): New option.
14744
14745 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
14746
14747         PR target/35620
14748         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
14749         and view convert expression.
14750
14751 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
14752
14753         PR target/35364
14754         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
14755
14756 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
14757
14758         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
14759
14760         * config/i386/cpuid.h (bit_AES): New.
14761         (bit_PCLMUL): Likewise.
14762
14763         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
14764         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
14765         SSE2 if AES or PCLMUL is enabled.
14766         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
14767         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14768         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
14769         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
14770         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
14771         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
14772         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14773         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
14774         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
14775         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
14776         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
14777         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
14778         __builtin_ia32_aeskeygenassist128 and
14779         __builtin_ia32_pclmulqdq128.
14780         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
14781         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
14782         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
14783
14784         * config/i386/i386.h (TARGET_AES): New.
14785         (TARGET_PCLMUL): Likewise.
14786         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
14787
14788         * config/i386/i386.md (UNSPEC_AESENC): New.
14789         (UNSPEC_AESENCLAST): Likewise.
14790         (UNSPEC_AESDEC): Likewise.
14791         (UNSPEC_AESDECLAST): Likewise.
14792         (UNSPEC_AESIMC): Likewise.
14793         (UNSPEC_AESKEYGENASSIST): Likewise.
14794         (UNSPEC_PCLMUL): Likewise.
14795
14796         * config/i386/i386.opt (maes): New.
14797         (mpclmul): Likewise.
14798
14799         * config/i386/sse.md (aesenc): New pattern.
14800         (aesenclast): Likewise.
14801         (aesdec): Likewise.
14802         (aesdeclast): Likewise.
14803         (aesimc): Likewise.
14804         (aeskeygenassist): Likewise.
14805         (pclmulqdq): Likewise.
14806
14807         * config/i386/wmmintrin.h: New.
14808
14809         * doc/extend.texi: Document AES and PCLMUL built-in function.
14810
14811         * doc/invoke.texi: Document -maes and -mpclmul.
14812
14813 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
14814
14815         * function.c (free_after_parsing): Replace with
14816         cxx_push_function_context from C++ front-end.
14817         (allocate_struct_function): Don't call langhook.
14818         * langhooks.h (struct lang_hooks_for_functions): Delete.
14819         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
14820         member "function".
14821         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
14822         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
14823         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
14824         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
14825         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
14826         remove LANG_HOOKS_FUNCTION_INITIALIZER.
14827         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
14828
14829         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
14830         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
14831
14832 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
14833
14834         PR c/35440
14835         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
14836         for all types.
14837
14838 2008-04-04  Richard Guenther  <rguenther@suse.de>
14839
14840         PR middle-end/35823
14841         * fold-const.c (optimize_minmax_comparison): Use the correct
14842         type for the constant in the simplified comparison.
14843
14844 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
14845
14846         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
14847         Pass L2 size as "--param l2-cache-size" to the compiler.
14848         (decode_l2_cache): New function to decode L2 cache parameters using
14849         0x8000006 extended cpuid function.
14850         (detect_caches_amd): Determine parameters of L2 cache using
14851         decode_l2_caches function.
14852         (decode_caches_intel): Decode L2 cache parameters.
14853         (detect_caches_intel): Determine L2 cache parameters using
14854         decode_caches_intel and decode_l2_caches functions.
14855
14856 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
14857
14858         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
14859         secondary input reload for subword loads from the constant pool.
14860
14861 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
14862
14863         PR target/35713
14864         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
14865           constants of the appropriate size for runtime calculations.
14866
14867         PR c/35712
14868         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
14869           decimal-float literal constant zero.
14870
14871 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
14872
14873         PR c/35738
14874         * c-parser.c (c_parser_omp_atomic): Call
14875         default_function_array_conversion on the RHS.
14876
14877         PR middle-end/35818
14878         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
14879         call is_variable_sized if decl has incomplete type.
14880
14881 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
14882
14883         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
14884
14885 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
14886
14887         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
14888         iterators.
14889         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
14890         (sgt<u>): Merge sgt and sgtu into new expander.
14891         (sgt, sgtu): Remove expanders.
14892         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
14893         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
14894         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
14895         *sgtu_<mode>_mips16 into new pattern.
14896         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
14897         (sge<u>): Merge sge and sgeu into new expander.
14898         (sge, sgeu): Remove expanders.
14899         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
14900         new pattern.
14901         (*sge_<mode>, second *sge_<mode>): Remove patterns.
14902         (slt<u>): Merge slt and sltu into new expander.
14903         (slt, sltu): Remove expanders.
14904         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
14905         (*slt_<mode>, *sltu_<mode>): Remove patterns.
14906         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
14907         *sltu_<mode>_mips16 into new pattern.
14908         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
14909         (sle<u>): Merge sle and sleu into new expander.
14910         (sle, sleu): Remove expanders.
14911         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
14912         (*sle_<mode>, *sleu_<mode>): Remove patterns.
14913         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
14914         *sleu_<mode>_mips16 into new pattern.
14915         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
14916
14917 2008-04-03  Jan Hubicka  <jh@suse.cz>
14918
14919         PR tree-optimization/35795
14920         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
14921         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
14922         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
14923         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
14924         * score/score3.c (score3_output_mi_thunk): Likewise.
14925         * score/score7.c (score7_output_mi_thunk): Likewise.
14926         * mips/mips.c (mips_output_mi_thunk): Likewise.
14927
14928 2008-04-03  Richard Guenther  <rguenther@suse.de>
14929
14930         * tree-vrp.c (extract_range_from_unary_expr): Handle all
14931         conversions.  Simplify code.
14932
14933 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
14934
14935         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
14936
14937 2008-04-03  Tom Tromey  <tromey@redhat.com>
14938             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14939
14940         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
14941         * config/bfin/t-bfin-linux (generated_files): Add
14942         linux-sysroot-suffix.h.
14943         * doc/install.texi (Prerequisites): Require make 3.80.
14944         * doc/sourcebuild.texi (Front End Directory): Document new
14945         variable.
14946         * Makefile.in (generated_files): New variable.
14947         (ALL_HOST_OBJS): New variable.
14948         ($(ALL_HOST_OBJS)): New target.
14949
14950 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
14951
14952         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
14953         (remap_block): Call id->transform_lang_insert_block instead
14954         of langhook.
14955         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
14956         Set id.transform_lang_insert_block to NULL.
14957         (clone_body): Move to cp/optimize.c
14958         * tree-inline.h (struct copy_body_data): Change
14959         transform_lang_insert_block to function pointer.
14960         (copy_generic_body, copy_decl_no_change): Export.
14961         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
14962         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
14963         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
14964
14965         * c-tree.h (insert_block): Kill.
14966         * c-decl.c (insert_block): Kill.
14967
14968 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
14969
14970         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
14971         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
14972         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
14973         argument.
14974         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
14975         argument, call {push,pop}_function_context from here.
14976         * c-parser.c: Use c_{push,pop}_function_context.
14977
14978         * function.c (push_function_context_to): Move meat ...
14979         (push_function_context): ... here.  Simplify.
14980         * function.c (pop_function_context_from): Move meat ...
14981         (pop_function_context): ... here.  Simplify.
14982         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
14983         leave_nested).
14984         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
14985         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
14986         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
14987         * tree.h (push_function_context_to, pop_function_context_from): Remove.
14988
14989 2008-04-03  Ben Elliston  <bje@au.ibm.com>
14990
14991         * expmed.c (extract_force_align_mem_bit_field): Remove.
14992
14993 2008-04-03  Richard Guenther  <rguenther@suse.de>
14994
14995         PR middle-end/35800
14996         * expr.h (try_casesi): Adjust prototype.
14997         * expr.c (try_casesi): Take fallback label as extra parameter.
14998         Use that for gen_casesi if default_label is NULL.
14999         * stmt.c (expand_case): Pass fallback label to try_casesi,
15000         make sure to fill gaps with a fallback label if default_label
15001         is not present.
15002
15003 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
15004
15005         PR target/35801
15006         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
15007
15008 2008-04-03  Ben Elliston  <bje@au.ibm.com>
15009
15010         * expmed.c (extract_split_bit_field): Remove if (0) code.
15011         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
15012         (do_ds_constraint): Likewise.
15013
15014 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
15015
15016         * doc/cppopts.texi (-dU): Document.
15017         * c-common.h (flag_dump_macros): Update comment.
15018         * c-opts.c (handle_OPT_d): Handle -dU.
15019         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
15020         dump_queued_macros, cb_used_define, cb_used_undef): New.
15021         (init_pp_output): Handle -dU.
15022         (cb_line_change): Call dump_queued_macros.
15023         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
15024
15025 2008-04-02  Anatoly Sokolov <aesok@post.ru>
15026
15027         * config/avr/predicates.md (io_address_operand): New predicate.
15028         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
15029         * config/avr/avr.c (avr_io_address_p): Remove function.
15030         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
15031         'avr_io_address_p' function.
15032         (out_movhi_r_mr): (Ditto.).
15033         (out_movqi_mr_r): (Ditto.).
15034         (out_movhi_mr_r): (Ditto.).
15035         (avr_address_cost): (Ditto.).
15036
15037 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
15038
15039         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
15040         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
15041         in 32bit mode when XMM registers are available to avoid store
15042         forwarding stalls.
15043         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
15044         corresponding post-reload splitters.
15045
15046 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
15047
15048         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
15049         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
15050         __builtin_ia32_roundss.
15051         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
15052         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
15053         __builtin_ia32_roundss.
15054         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
15055         IX86_BUILTIN_SHUFPD here.
15056
15057 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
15058
15059         * config/i386/i386.md (plogic): New.
15060         (plogicprefix): Likewise.
15061
15062         * config/i386/mmx.md (mmx_<code><mode>3): New.
15063         (mmx_and<mode>3): Removed.
15064         (mmx_ior<mode>3): Likewise.
15065         (mmx_xor<mode>3): Likewise.
15066
15067         * config/i386/sse.md (<code><mode>3): New.
15068         (*<code><mode>3): Likewise.
15069         (*<code><mode>3): Likewise.
15070         (<code><mode>3): Likewise.
15071         (*sse_<code><mode>3): Likewise.
15072         (*sse2_<code><mode>3): Likewise.
15073         (<code>tf3): Likewise.
15074         (*<code>tf3): Likewise.
15075         (and<mode>3): Likewise.
15076         (*and<mode>3): Likewise.
15077         (ior<mode>3): Removed.
15078         (*ior<mode>3): Likewise.
15079         (xor<mode>3): Likewise.
15080         (*xor<mode>3): Likewise.
15081         (*and<mode>3): Likewise.
15082         (*ior<mode>3): Likewise.
15083         (*xor<mode>3): Likewise.
15084         (and<mode>3): Likewise.
15085         (*sse_and<mode>3): Likewise.
15086         (*sse2_and<mode>3): Likewise.
15087         (andtf3): Likewise.
15088         (*andtf3): Likewise.
15089         (ior<mode>3): Likewise.
15090         (*sse_ior<mode>3): Likewise.
15091         (*sse2_ior<mode>3): Likewise.
15092         (iortf3): Likewise.
15093         (*iortf3): Likewise.
15094         (xor<mode>3): Likewise.
15095         (*sse_xor<mode>3): Likewise.
15096         (*sse2_xor<mode>3): Likewise.
15097         (xortf3): Likewise.
15098         (*xortf3): Likewise.
15099
15100 2008-04-02  Richard Guenther  <rguenther@suse.de>
15101
15102         PR tree-optimization/14495
15103         PR tree-optimization/34793
15104         * tree-vrp.c (struct switch_update): New structure.
15105         (to_remove_edges, to_update_switch_stmts): New VECs.
15106         (simplify_switch_using_ranges): New function.  Remove not taken
15107         case labels and edges.
15108         (simplify_stmt_using_ranges): Call it.
15109         (identify_jump_threads): Mark edges we have queued for removal
15110         so we don't thread them.
15111         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
15112         case label vector.
15113         * tree-cfg.c (group_case_labels): Deal with missing default label.
15114         (tree_verify_flow_info): Allow missing default label.
15115         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
15116         (emit_case_nodes): Likewise.
15117         (expand_case): Do not rely on the default label to be present.
15118         * expr.c (try_casesi): Deal with NULL default_label.
15119         (do_tablejump): Likewise.
15120
15121 2008-04-02  Richard Guenther  <rguenther@suse.de>
15122
15123         PR tree-optimization/14495
15124         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
15125         SWITCH_EXPR here ...
15126         (vrp_visit_switch_stmt): ... but here (new function).
15127         (find_case_label_index): New helper function.
15128         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
15129
15130 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15131
15132         * fwprop.c: Fix ISO-C99ism.
15133
15134 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15135
15136         PR bootstrap/35752
15137         * Makefile.in (objdir): Set it here.
15138         * configure.ac: Not here.  Find dynamic linker characteristics.
15139         * exec-tool.in: Use them.
15140         * aclocal.m4: Regenerate.
15141         * configure: Regenerate.
15142
15143 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15144
15145         * expr.c (expand_var): Delete it.
15146         * expr.h (expand_var): Delete prototype.
15147         * function.c (expand_function_start): Use expand_decl instead.
15148         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
15149         langhook.
15150
15151 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
15152
15153         PR rtl-optimization/35542
15154         * fwprop.c (forward_propagate_and_simplify): Replace
15155         loc_reg_mentioned_in_p with reg_mentioned_p.
15156
15157 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15158
15159         PR rtl-optimization/35281
15160         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
15161         (propagate_rtx_1): Handle PR_HANDLE_MEM.
15162         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
15163         (varying_mem_p): Move above propagate_rtx.
15164         (all_uses_available_at): Do not check MEMs.
15165
15166 2008-04-02  Rafael Espindola  <espindola@google.com>
15167
15168         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
15169         (register_edge_assert_for_2): Split the cond argument.
15170         (register_edge_assert_for_1): Adjust for the change in
15171         register_edge_assert_for_2.
15172         (register_edge_assert_for): Split the cond argument.
15173         (find_switch_asserts): Adjust for the change in
15174         register_edge_assert_for.
15175
15176 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
15177
15178         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
15179         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
15180         offsets for 64-bit mingw.
15181         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
15182         abi for x86_64-pc-mingw.
15183
15184 2008-04-02  Richard Guenther  <rguenther@suse.de>
15185
15186         * tree-vrp.c (extract_range_from_assert): Make sure to not
15187         produce range min/max with TREE_OVERFOW set.
15188         If merging a anti-range and a range keep the anti-range if
15189         the range covers all values of the type.
15190         (register_edge_assert_for_2): Only allow sign-changing
15191         conversions in detecting canonical range checks.  Also
15192         register an assert for the unsigned name if useful.
15193
15194         PR tree-optimization/35787
15195         * tree-vrp.c (vrp_val_max): New function.
15196         (vrp_val_min): Likewise.
15197         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
15198         (vrp_val_is_min): Likewise.
15199         (supports_overflow_infinity): Use vrp_val_{min,max}.
15200         (negative_overflow_infinity): Likewise.
15201         (positive_overflow_infinity): Likewise.
15202         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
15203         (is_positive_overflow_infinity): Likewise.
15204         (is_overflow_infinity): Likewise.
15205         (avoid_overflow_infinity): Use vrp_val_{min,max} and
15206         vrp_val_is_{min,max}.
15207         (set_and_canonicalize_value_range): Canonicalize anti-ranges
15208         to ranges if possible.  Avoid empty ranges.
15209
15210 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15211
15212         PR middle-end/35705
15213         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
15214         the expression is a function address.
15215
15216 2008-04-01  George Helffrich  <george@gcc.gnu.org>
15217
15218         PR fortran/35154, fortran/23057
15219         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
15220         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
15221         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
15222         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
15223         in common.
15224         (dbxout_syms): Check for COMMON-based symbol and wrap in
15225         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
15226         in bracket for efficiency.
15227
15228         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
15229         using DW_TAG_common_block + member offset.
15230         (add_pubname_string): New function.
15231         (dw_expand_expr): New function to find block name and offset for
15232         COMMON var.
15233         (common_check): New function to check whether symbol in Fortran COMMON.
15234         (gen_variable_die): If COMMON, use DW_TAG_common_block.
15235
15236 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
15237
15238         PR c/35436
15239         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
15240
15241 2008-04-02  Ben Elliston  <bje@au.ibm.com>
15242
15243         * config/v850/v850.md (casesi): Remove if (0) code.
15244         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
15245         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
15246
15247 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
15248
15249         * config/i386/i386.md (rex64suffix): New mode attribute.
15250         (floathi<mode>2): Disable expander for SSE math.
15251         (*floathi<mode>2_1): New insn insn_and_split pattern.
15252         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
15253         corresponding post-reload splitters.
15254         (*floathi<mode>2_i387): New macroized insn pattern.
15255         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
15256         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
15257         insn_and_split pattern.
15258         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
15259         New macroized instruction patterns and corresponding post-reload
15260         splitters.
15261         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
15262         and corresponding post-reload splitters.
15263         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
15264         New macroized instruction patterns.
15265         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
15266         macroized instruction patterns and corresponding post-reload splitters.
15267         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
15268         corresponding post-reload splitters.
15269         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
15270         New macroized instruction patterns.
15271         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
15272         corresponding post-reload splitters.
15273         (*floatsi<mode>2_i387): New macroized instruction patterns.
15274
15275 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
15276
15277         * config/i386/i386.md (smaxmin): New.
15278         (umaxmin): Likewise.
15279         (maxminiprefix): Likewise.
15280         (maxminfprefix): Likewise.
15281         (<code><mode>3): Likewise.
15282         (smin<mode>3): Removed.
15283         (smax<mode>3): Likewise.
15284
15285         * config/i386/mmx.md (mmx_<code>v2sf3): New.
15286         (mmx_<code>v4hi3): Likewise.
15287         (mmx_<code>v8qi3): Likewise.
15288         (mmx_smaxv2sf3): Removed.
15289         (mmx_sminv2sf3): Likewise.
15290         (mmx_umaxv8qi3): Likewise.
15291         (mmx_smaxv4hi3): Likewise.
15292         (mmx_uminv8qi3): Likewise.
15293         (mmx_sminv4hi3): Likewise.
15294
15295         * config/i386/sse.md (<addsub><mode>3): New.
15296         (*<addsub><mode>3): Likewise.
15297         (<sse>_vm<addsub><mode>3): Likewise.
15298         (<maxmin><mode>3): Likewise.
15299         (*<maxmin><mode>3_finite): Likewise.
15300         (*<maxmin><mode>3): Likewise.
15301         (<sse>_vm<maxmin><mode>3): Likewise.
15302         (sse3_h<addsub>v4sf3): Likewise.
15303         (sse3_h<addsub>v2df3): Likewise.
15304         (<maxmin>v16qi3): Likewise.
15305         (*<maxmin>v16qi3): Likewise.
15306         (<maxmin>v8hi3): Likewise.
15307         (*<maxmin>v8hi3): Likewise.
15308         (*sse4_1_<maxmin><mode>3): Likewise.
15309         (*sse4_1_<maxmin><mode>3): Likewise.
15310         (add<mode>3): Removed.
15311         (*add<mode>3): Likewise.
15312         (<sse>_vmadd<mode>3): Likewise.
15313         (sub<mode>3): Likewise.
15314         (*sub<mode>3): Likewise.
15315         (<sse>_vmsub<mode>3): Likewise.
15316         (smin<mode>3): Likewise.
15317         (*smin<mode>3_finite): Likewise.
15318         (*smin<mode>3): Likewise.
15319         (<sse>_vmsmin<mode>3): Likewise.
15320         (smax<mode>3): Likewise.
15321         (*smax<mode>3_finite): Likewise.
15322         (*smax<mode>3): Likewise.
15323         (<sse>_vmsmax<mode>3): Likewise.
15324         (sse3_haddv4sf3): Likewise.
15325         (sse3_haddv2df3): Likewise.
15326         (sse3_hsubv4sf3): Likewise.
15327         (sse3_hsubv2df3): Likewise.
15328         (umaxv16qi3): Likewise.
15329         (*umaxv16qi3): Likewise.
15330         (smaxv8hi3): Likewise.
15331         (*smaxv8hi3): Likewise.
15332         (*sse4_1_smax<mode>3): Likewise.
15333         (*sse4_1_umax<mode>3): Likewise.
15334         (uminv16qi3): Likewise.
15335         (*uminv16qi3): Likewise.
15336         (sminv8hi3): Likewise.
15337         (*sminv8hi3): Likewise.
15338         (*sse4_1_smin<mode>3): Likewise.
15339         (*sse4_1_umin<mode>3): Likewise.
15340
15341 2008-04-01  Rafael Espindola  <espindola@google.com>
15342
15343         * tree-cfg.c (verify_expr): remove in_phi.
15344         (verify_stmt): Don't call walk_tree with verify_expr. Use
15345         is_gimple_min_invariant instead of is_gimple_val.
15346
15347 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
15348
15349         * doc/include/gpl_v3.texi: Update for manpage generation.
15350         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
15351         gpl.texi.
15352         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
15353         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
15354         gpl_v3.texi instead of gpl.texi.
15355         (gpl.pod): New.
15356
15357 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
15358
15359         PR pch/13675
15360         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
15361
15362 2008-04-01  Rafael Espindola  <espindola@google.com>
15363
15364         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
15365         (extract_code_and_val_from_cond): Use
15366         extract_code_and_val_from_cond_with_ops.
15367
15368 2008-04-01  Jan Hubicka  <jh@suse.cz>
15369
15370         * function.c (free_after_compilation): Free epilogue_delay_list.
15371         (prepare_function_start): Assert that previous compilation was freed.
15372
15373 2008-04-01  Jan Hubicka  <jh@suse.cz>
15374             Jim Wilson  <wilson@tuliptree.org>
15375             Andreas Tobler <andreast@gcc.gnu.org>
15376
15377         PR middle-end/35781
15378         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
15379         rtl.emit instead cfun->emit.
15380         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
15381         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
15382
15383 2008-04-01  Ben Elliston  <bje@au.ibm.com>
15384
15385         * doc/c-tree.texi (Function Basics): Fix grammatical error.
15386
15387 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
15388
15389         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
15390         New options
15391         (fprofile-use): Add var flag_profile_use
15392         * coverage.c (coverage_begin_output): Do not open a gcno file for
15393         output only if -ftest-coverage is set.
15394         Do not add getpwd() to gcda file path.
15395         (build_gcov_info): Check the new flag
15396         flag_profile_datafile_relative_path.
15397         (coverage_init): Use profile_data_prefix.
15398         Read profile counter only if flag_profile_use is set.
15399         * opts.c (common_handle_option): New option fprofile-use=,
15400         fprofile-dir=, fprofile-generate=.
15401         * toplev.c (profile_data_prefix): New variable definition.
15402         * toplev.h (profile_data_prefix): New declaration.
15403         * doc/invoke.tex (Option Summary, Optimization Options):
15404         Add new options.
15405
15406 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
15407
15408         * varasm.c (output_constant_pool_1): In LABEL_REF check,
15409         use tmp consistently.
15410
15411         PR target/35695
15412         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
15413         * config/ia64/ia64.c (rtx_needs_barrier): Handle
15414         UNSPEC_FR_RECIP_APPROX_RES.
15415         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
15416
15417 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
15418
15419         PR c/35750
15420         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
15421
15422 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15423
15424         PR middle-end/30186
15425         * fold-const.c (fold_indirect_ref_1): Support accessing non first
15426         element of the vector via a pointer.
15427
15428 2008-03-31  Ian Lance Taylor  <iant@google.com>
15429
15430         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
15431
15432 2008-03-31  Jan Hubicka  <jh@suse.cz>
15433
15434         * builtins.c (expand_builtin_setjmp_receiver): Update call of
15435         get_arg_pointer_save_area.
15436         * expr.c (init_expr): Just clear out rtl.expr.
15437         * function.c (free_after_compilation): Clear out whole RTL structure.
15438         (get_func_frame_size): Merge into ...
15439         (get_frame_size): ... this one.
15440         (assign_stack_local_1): Merge into ...
15441         (assign_stack_local): ... this one.
15442         (expand_function_end): Update call of get_arg_pointer_save_area.
15443         (get_art_pointer_save_area): Remove cfun argument.
15444         * function.h (emit_status): regno_pointer_align does not need length
15445         attribute. Move x_regno_reg_rtx to ...
15446         (regno_reg_rtx): ... new global array.
15447         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
15448         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
15449         apply_args_value, forced_labels, stack_pointer_delta):
15450         Update accestors.
15451         (struct varasm_status): Move here from varasm.c
15452         (struct rtl_data): New. Move here some fields from struct function.
15453         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
15454         frame_offset, stack_check_probe_note, arg_pointer_save_area,
15455         used_temp_slots avail_temp_slots, temp_slot_level,
15456         nonlocal_goto_handler_labels): Update accesstors.
15457         (rtl): New global variable.
15458         (struct function): Move some fileds to rtl_data.
15459         (get_arg_pointer_save_area): Update prototype.
15460         * emit-rtl.c (rtl): Declare.
15461         (regno_reg_rtx): Declare.
15462         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
15463         Update.
15464         (gen_reg_rtx): Update.
15465         (init_virtual_regs): Do not tate emit_status argument.
15466         (init_emit): Do not allocate emit.
15467         * varasm.c (varasm_statuc): Move to function.h.
15468         (n_deferred_constatns): Update accestor.
15469         (init_varasm_status): Do not allocate varasm_status.
15470         (force_const_mem, get_pool_size, output_constant_pool): Update.
15471         * stmt.c (force_label_rtx): Do not use x_ prefixes.
15472         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
15473
15474 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
15475
15476         PR rtl-optimization/35729
15477         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
15478         references.
15479
15480 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
15481
15482         PR target/32000
15483         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
15484         load/store if memory is unaligned.
15485         (*movti_rex64): Likewise.
15486
15487         * config/i386/predicates.md (misaligned_operand): New.
15488
15489 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
15490
15491         PR tree-opt/35431
15492         * tree-ssa-phiopt.c (conditional_replacement): Return early for
15493         complex types.
15494
15495 2008-03-31  Jan Beulich  <jbeulich@novell.com>
15496
15497         * config/ia64/constraints.md: Add 'j' constraint.
15498         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
15499         (movdi_internal): Likewise.
15500
15501 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
15502
15503         PR c/35748
15504         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
15505
15506 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
15507
15508         PR target/35757
15509         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
15510         proper error message for the third argument on blendpd and
15511         blendps.
15512
15513         * config/i386/sse.md (blendbits): New.
15514         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
15515
15516 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
15517
15518         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
15519
15520 2008-03-30  Richard Guenther  <rguenther@suse.de>
15521
15522         PR middle-end/31023
15523         * fold-const.c (fold_sign_changed_comparison): Do leave
15524         conversions to base-types alone.
15525
15526 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15527
15528         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
15529         the link register if one altivec register is be saved.
15530
15531 2008-03-30  Ben Elliston  <bje@au.ibm.com>
15532
15533         * final.c (final_scan_insn): Remove if (0) code.
15534
15535 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
15536
15537         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
15538
15539 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
15540
15541         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
15542         of V4SFmode to ix86_binary_operator_ok.
15543
15544 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
15545
15546         * config/i386/i386.c (override_options): Initialize
15547         ix86_veclib_handler to ix86_veclibabi_svml when
15548         -mveclibabi=svml is used.
15549         (ix86_veclibabi_svml): New function for SVML ABI style
15550         vectorization support.
15551         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
15552
15553 2008-03-28  Rafael Espindola  <espindola@google.com>
15554
15555         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
15556         (tree_binary_nonnegative_warnv_p): Make it public.
15557         (tree_single_nonnegative_warnv_p): Make it public.
15558         (tree_invalid_nonnegative_warnv_p): Make it public.
15559         (tree_unary_nonzero_warnv_p): Make it public.
15560         (tree_binary_nonzero_warnv_p): Make it public
15561         (tree_single_nonzero_warnv_p): Make it public.
15562         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
15563         (extract_range_from_binary_expr): Split the expr argument.
15564         (extract_range_from_unary_expr): Split the expr argument.
15565         (extract_range_from_comparison): Split the expr argument.
15566         (extract_range_from_expr): Use the new aux functions.
15567         (vrp_evaluate_conditional_warnv): Use
15568         vrp_evaluate_conditional_warnv_with_ops.
15569         * tree.h (tree_unary_nonzero_warnv_p): Declare.
15570         (tree_binary_nonzero_warnv_p): Declare.
15571         (tree_single_nonzero_warnv_p): Declare.
15572         (tree_expr_nonzero_warnv_p): Declare.
15573         (tree_unary_nonnegative_warnv_p): Declare.
15574         (tree_binary_nonnegative_warnv_p): Declare.
15575         (tree_single_nonnegative_warnv_p): Declare.
15576         (tree_invalid_nonnegative_warnv_p): Declare.
15577
15578 2008-03-28  Richard Guenther  <rguenther@suse.de>
15579
15580         PR tree-optimization/30317
15581         PR tree-optimization/30911
15582         PR tree-optimization/34793
15583         * tree-vrp.c (set_and_canonicalize_value_range): New function.
15584         (struct assert_locus_d): New member EXPR.
15585         (register_new_assert_for): Add EXPR parameter to support
15586         ASSERT_EXPR <name, expr OP limit>.
15587         (register_edge_assert_for_1): Adjust callers.
15588         (find_assert_locations): Likewise.
15589         (process_assert_insertions_for): Build condition from expression.
15590         (extract_range_from_assert): Handle ASSERT_EXPRs
15591         of the form ASSERT_EXPR <name, expr OP limit>.
15592         (register_edge_assert_for_2): New helper registering
15593         asserts for comparisons.  Recognize range tests of the form
15594         (unsigned)i - CST1 OP CST2.
15595         (register_edge_assert_for_1): Use it.
15596         (register_edge_assert_for): Likewise.
15597         (needs_overflow_infinity): Integer sub-types
15598         do not need overflow infinities.
15599         (vrp_val_is_max): The extreme values of integer sub-types
15600         are those of the base type.
15601         (vrp_val_is_min): Likewise.
15602         * tree.def (ASSERT_EXPR): Document extra allowed conditional
15603         expressions.
15604
15605 2008-03-28  Nick Clifton  <nickc@redhat.com>
15606
15607         PR target/31110
15608         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
15609         Return GENERAL_REGS for stack adjustment reloads.
15610
15611 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15612
15613         PR target/31334
15614         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
15615         const_vector when all the vectors are constant.
15616
15617 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
15618
15619         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
15620         comparisons.
15621         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
15622         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
15623         (scc_sf): New.
15624         (s<code>_sf): Use new scc_sf attribute for opcode names.
15625
15626 2008-03-27  Tom Tromey  <tromey@redhat.com>
15627
15628         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
15629         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
15630         config/spu/t-spu-elf, config/i386/t-interix,
15631         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
15632         config/i386/x-darwin, config/i386/x-mingw32,
15633         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
15634         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
15635         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
15636         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
15637         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
15638         config/rs6000/x-darwin, config/rs6000/t-rs6000,
15639         config/score/t-score-elf, config/arm/t-strongarm-pe,
15640         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
15641         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
15642         Revert automatic dependency patch.
15643
15644 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15645
15646         PR target/35657
15647         * config/i386/i386.c (ix86_function_arg_boundary): Align
15648         decimal floating point to its natural boundary.
15649
15650 2008-03-27  Richard Guenther  <rguenther@suse.de>
15651
15652         PR middle-end/35716
15653         * fold-const.c (fold_comparison): Restrict distinct decl
15654         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
15655         solely rely on operand_equal_p.
15656
15657 2008-03-27  Richard Guenther  <rguenther@suse.de>
15658
15659         PR c/32511
15660         * c-common.c (handle_weak_attribute): Reject combination of
15661         weak and inline.
15662
15663 2008-03-27  Richard Guenther  <rguenther@suse.de>
15664
15665         PR tree-optimization/32810
15666         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
15667         conversions from DECL_INITIAL.
15668         (fold_const_aggregate_ref): Likewise from constructor elements.
15669
15670 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
15671
15672         * tree-affine.h (aff_combination_expand): Declare.
15673         (get_inner_reference_aff): Likewise.
15674         * tree-affine.c (aff_combination_expand): Split out from
15675         tree_to_aff_combination_expand.
15676         (get_inner_reference_aff): New function.
15677         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
15678         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
15679         (struct lim_aux_data): sm_done field removed.
15680         (mem_ref_loc_p, mem_ref_locs_p): New types.
15681         (struct mem_ref): Added id, stored, accesses_in_loop,
15682         indep_loop, dep_loop, indep_ref, dep_ref fields.
15683         Removed is_stored, locs and next fields.
15684         (memory_accesses): New variable.
15685         (movement_possibility): Do not allow moving statements
15686         that store to memory.
15687         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
15688         New functions.
15689         (determine_max_movement): For statements with memory references,
15690         find the outermost loop in that the reference is independent.
15691         (move_computations_stmt): Mark the virtual operands for renaming.
15692         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
15693         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
15694         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
15695         add_vop_ref_mapping, create_vop_ref_mapping_loop,
15696         create_vop_ref_mapping, analyze_memory_references,
15697         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
15698         get_all_locs_in_loop, ref_always_accessed_p,
15699         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
15700         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
15701         store_motion_loop, store_motion): New functions.
15702         (struct vop_to_refs_elt): New type.
15703         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
15704         memref_hash, memref_eq, hoist_memory_references): Rewritten.
15705         (schedule_sm): Replaced by...
15706         (execute_sm): ... this.
15707         (determine_lsm_ref, hoist_memory_references,
15708         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
15709         find_more_ref_vops, free_mem_ref, free_mem_refs,
15710         determine_lsm_loop, determine_lsm): Removed.
15711         (tree_ssa_lim_finalize): Free data structures used by store motion.
15712         (tree_ssa_lim): Call analyze_memory_references.  Use
15713         store_motion instead of determine_lsm.
15714
15715 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15716
15717         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
15718         rename tmake_file to m68hc11/t-m68hc11.
15719         (mcore): Set inhibit_libc to true.
15720         * config.host (alpha*-dec-*vms*): Set extra_programs.
15721         (interix3*): Don't use host_xmake_file.
15722         * configure.ac: Let config.gcc override inhibit_libc.
15723         * configure: Regenerate.
15724
15725         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
15726         * config/t-openbsd-thread: Remove commented out lines.
15727
15728         * config/x-interix: Remove.
15729
15730         * config/m68hc11/t-m68hc11-gas: Rename to...
15731         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
15732
15733         * config/mcore/t-mcore: Remove T_CFLAGS.
15734         * config/mcore/t-mcore-pe: Likewise.
15735
15736 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15737
15738         * configure.ac: Replace custom __GNU_SOURCE test with
15739         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
15740         * aclocal.m4: Regenerate.
15741         * configure: Regenerate.
15742         * config.in: Regenerate.
15743
15744 2008-03-27  Richard Guenther  <rguenther@suse.de>
15745
15746         * fold-const.c (target.h): Include.
15747         (fold_comparison): Fold comparison of addresses of decls
15748         that bind locally or of constants.  Consolidate address folding code.
15749         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
15750         results from fold_binary_to_constant.
15751         (compare_values_warnv): Likewise.
15752
15753 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
15754
15755         PR middle-end/35429
15756         * fold-const.c (fold_truthop): Check for integeral types when folding
15757         a == 0 && b == 0 and a != 0 || b != 0 .
15758
15759 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
15760
15761         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
15762
15763 2008-03-26  Andreas Schwab  <schwab@suse.de>
15764
15765         * doc/invoke.texi: Fix use of @item vs. @itemx.
15766
15767 2008-03-26  Tom Tromey  <tromey@redhat.com>
15768
15769         * Makefile.in (build/gensupport.o, build/print-rtl.o,
15770         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
15771         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
15772         build/gencodes.o, build/genconditions.o, build/genconfig.o,
15773         build/genconstants.o, build/genemit.o, build/genextract.o,
15774         build/genflags.o, build/genmddeps.o, build/genopinit.o,
15775         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
15776         options.h.
15777
15778 2008-03-26  Richard Guenther  <rguenther@suse.de>
15779
15780         Revert
15781         2008-03-26  Richard Guenther  <rguenther@suse.de>
15782
15783         * fold-const.c (target.h): Include.
15784         (fold_comparison): Fold comparison of addresses of two decls
15785         that bind locally.  Consolidate address folding code.
15786
15787 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15788
15789         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
15790         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
15791         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
15792         dconstsqrt2, dconstthird, dconste and/or dconst10.
15793         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
15794         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
15795         dconstsqrt2, dconste): Delete.
15796         (init_emit_once): Likewise.  Simplify initializing dconstm1.
15797         Constify variable.
15798         * real.c (get_real_const): New.
15799         * real.h (dconst3, dconst10, dconstm2, dconstthird,
15800         dconstsqrt2, dconste): Delete.
15801         (real_value_const, get_real_const): New.
15802
15803 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
15804
15805         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
15806
15807         * config/i386/i386.c (ix86_function_arg_boundary): Check
15808         BIGGEST_ALIGNMENT instead of 128.
15809         (setup_incoming_varargs_64): Likewise.
15810
15811 2008-03-26  Tom Tromey  <tromey@redhat.com>
15812
15813         * Makefile.in (DEPFILES): Add missing '/'.
15814
15815 2008-03-26  Richard Guenther  <rguenther@suse.de>
15816
15817         * fold-const.c (target.h): Include.
15818         (fold_comparison): Fold comparison of addresses of two decls
15819         that bind locally.  Consolidate address folding code.
15820
15821 2008-03-26  Nick Clifton  <nickc@redhat.com>
15822
15823         PR target/31232
15824         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
15825         not allow INT+INT as a legitimate addressing mode.
15826
15827 2008-03-26  Richard Guenther  <rguenther@suse.de>
15828
15829         * tree-flow.h (widen_bitfield): Remove declaration.
15830         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
15831         (widen_bitfield): Remove function.
15832         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
15833         code.
15834
15835 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15836
15837         PR target/31558
15838         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
15839         error_mark_node's.
15840
15841 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
15842
15843         PR rtl-optimization/35232
15844         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
15845         (forget_old_reloads_1, forget_marked_reloads): Don't clear
15846         reg_reloaded_call_part_clobbered here.
15847         (reload_regs_reach_end_p): New function.
15848         (reload_reg_rtx_for_input): New variable.
15849         (reload_reg_rtx_for_output): Likewise.
15850         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
15851         when reassigning a pseudo register.  Load reloadreg from
15852         reload_reg_rtx_for_input, moving the mode and register
15853         calculation to...
15854         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
15855         instead of the original when deciding whether an input reload
15856         would be a no-op or whether an output reload can be deleted.
15857         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
15858         when setting up new_spill_reg_store.  Load it from
15859         reload_reg_rtx_for_output, moving the mode and register
15860         calculation to...
15861         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
15862         instead of the original when deciding whether an output reload
15863         would be a no-op.  Do the same when modifying insn notes.
15864         Use rtx_equal_p instead of == to compare the registers.
15865         (inherit_piecemeal_p): Take a mode and two register numbers
15866         as argument.
15867         (emit_reload_insns): Clear new_spill_reg_store for every hard
15868         register in the reload register.  Remove spill registers
15869         from reg_reloaded_valid before considering whether to record
15870         inheritance information for them.  Use reload_reg_rtx_for_output
15871         instead of reg_rtx when recording output reloads.  Use
15872         reload_reg_rtx_for_input instead of reg_rtx when recording
15873         input reloads.  Set or clear reg_reloaded_call_part_clobbered
15874         at the same time as setting reg_reloaded_valid.
15875         (delete_output_reload): Add a new_reload_reg parameter and use it
15876         instead of rld[j].reg_rtx.
15877         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
15878         calls accordingly.
15879
15880 2008-03-25  Tom Tromey  <tromey@redhat.com>
15881
15882         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
15883         (build/genattr.o): Likewise.
15884         (build/genattrtab.o): Likewise.
15885         (build/gencodes.o): Likewise.
15886         (build/genconfig.o): Likewise.
15887         (build/genconstants.o): Likewise.
15888         (build/genemit.o): Likewise.
15889         (build/genextract.o): Likewise.
15890         (build/genflags.o): Likewise.
15891
15892 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
15893
15894         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
15895         instead of size_int for integer types.
15896         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
15897         to match type of MINUS_EXPR.
15898
15899 2008-03-25  Tom Tromey  <tromey@redhat.com>
15900
15901         * configure: Rebuilt.
15902         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
15903         Makefile.
15904
15905 2008-03-25  Tom Tromey  <tromey@redhat.com>
15906
15907         * config/x-solaris (host-solaris.o): Update.
15908         * config/x-linux (host-linux.o): Update.
15909         * config/x-hpux (host-hpux.o): Update.
15910         * config/x-darwin (host-darwin.o): Update.
15911         * config/v850/t-v850e (v850-c.o): Update.
15912         * config/v850/t-v850 (v850-c.o): Update.
15913         * config/t-vxworks (vxworks.o): Update.
15914         * config/t-sol2 (sol2-c.o, sol2.o): Update.
15915         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
15916         * config/spu/t-spu-elf (spu-c.o): Update.
15917         (spu.o): Remove.
15918         * config/sh/t-symbian (sh-c.o): Update.
15919         (symbian.o): Update.
15920         * config/sh/t-sh (sh-c.o): Update.
15921         * config/score/t-score-elf (score7.o, score3.o): Update.
15922         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
15923         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
15924         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
15925         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
15926         (rs6000.o): Remove.
15927         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
15928         * config/m32c/t-m32c (m32c-pragma.o): Update.
15929         * config/ia64/t-ia64 (ia64-c.o): Update.
15930         * config/i386/x-mingw32 (host-mingw32.o): Update.
15931         * config/i386/x-i386 (driver-i386.o): Update.
15932         * config/i386/x-darwin (host-i386-darwin.o): Update.
15933         * config/i386/x-cygwin (host-cygwin.o): Update.
15934         * config/i386/t-nwld (nwld.o): Update.
15935         * config/i386/t-netware (netware.o): Update.
15936         * config/i386/t-interix (winnt.o): Update.
15937         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
15938         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
15939         msformat-c.o): Update.
15940         * config/bfin/t-bfin-linux (generated_files): Add
15941         linux-sysroot-suffix.h.
15942         * config/arm/t-wince-pe (pe.o): Update.
15943         * config/arm/t-strongarm-pe (pe.o): Update.
15944         * config/arm/t-pe (pe.o): Update.
15945         * config/arm/t-arm (arm-c.o): Update.
15946         * doc/install.texi (Prerequisites): Require make 3.80.
15947         * Makefile.in: Remove .o targets.
15948         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
15949         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
15950         (simple_generated_h, simple_generated_c): Move earlier.
15951         (generated_files): New variable.
15952         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
15953         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
15954         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
15955         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
15956         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
15957         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
15958         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
15959         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
15960         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
15961         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
15962         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
15963         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
15964         (.c.o): Remove.
15965         (COMPILE.base, COMPILE): New variables.
15966         (%.o): New pattern rule.
15967         (ALL_HOST_OBJS): New variable.
15968         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
15969         (dummy-checksum.o, cc1-checksum.o): Remove.
15970         (DRIVER_SHLIB): New variable.
15971         (DRIVER_DEFINES): Use it.
15972         (gencondmd.c): Move out of build/.
15973         (s-conditions): Update.
15974         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
15975         (ALL_BUILD_OBJS): Likewise.
15976         (build/%.o): Use BUILDCOMPILE.
15977         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
15978         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
15979         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
15980         build/gencheck.o, build/gencodes.o, build/genconditions.o,
15981         build/genconfig.o, build/genconstants.o, build/genemit.o,
15982         build/genextract.o, build/genflags.o, build/genmddeps.o,
15983         build/genopinit.o, build/genoutput.o, build/genpeep.o,
15984         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
15985         build/gen-protos.o, build/scan.o, build/fix-header.o,
15986         build/scan-decls.o): Simplify.
15987         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
15988         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
15989         prefix.o, toplev.o): Reduce to variable setting.
15990         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
15991         ($(out_object_file), gcc-options.o): New targets.
15992         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
15993         * configure: Rebuilt.
15994         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
15995         * doc/sourcebuild.texi (Front End Directory): Document new variable.
15996
15997 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
15998
15999         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
16000         complain when we hit an error, return ERROR_MARK_NODE.
16001
16002 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16003
16004         * config/sh/constraints.md (Pso, Psz): New constraints.
16005         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
16006         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
16007
16008 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16009
16010         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
16011         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
16012
16013 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16014
16015         * config/sh/sh.md (prefetch): Add condition for SH2A target.
16016         (prefetch_sh2a): New.
16017
16018 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
16019             Naveen.H.S  <naveen.hs@kpitcummins.com>
16020
16021         * config/sh/constraints.md (I28): New constraint.
16022         * config/sh/sh.c (broken_move): Add support for movi20s.
16023         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
16024
16025 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
16026             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
16027             Naveen.H.S  <naveen.hs@kpitcummins.com>
16028
16029         * config/sh/sh.c (SH_ATTRIBUTES): Define.
16030         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
16031         (print_operand): Handle resbank in %@ operand code.
16032         (sh_encode_section_info): New.
16033         (push_regs): Add conditions for resbank.
16034         (sh_expand_epilogue): Likewise.
16035         (sh_insert_attributes): Likewise.
16036         (sh_attribute_table): Likewise.
16037         (sh_handle_resbank_handler_attribute): New.
16038         (sh2a_handle_function_vector_handler_attribute): New.
16039         (sh2a_is_function_vector_call): New.
16040         (sh2a_get_function_vector_number): New.
16041         (sh2a_function_vector_p): New.
16042         (sh_cfun_resbank_handler_p): New.
16043         * config/sh/sh.md (calli): Emit jsr/n if possible.
16044         (calli_tbr_rel): New.
16045         (calli_pcrel): Emit jsr/n if possible.
16046         (return_i): Emit rts/n if possible.
16047         (call_valuei_tbr_rel): New.
16048         (call_valuei_pcrel): Add condition for SH2A target.
16049         (call_value): Likewise.
16050         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
16051         (sh2a_get_function_vector_number): Likewise.
16052         (sh2a_is_function_vector_call): Likewise.
16053         * doc/extend.texi: Document TBR relative addressing of SH2A.
16054         (resbank): Add description for SH2A.
16055
16056 2008-03-24  Richard Guenther  <rguenther@suse.de>
16057
16058         PR c/22371
16059         * gimplify.c (gimplify_modify_expr): For frontend type-correct
16060         pointer assignments change conversions according to middle-end rules.
16061         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
16062         * configure.ac: Include type checking in yes.
16063         * configure: Regenerate.
16064
16065 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
16066
16067         * diagnostic.c (diagnostic_count_diagnostic): Delete.
16068         (diagnostic_report_diagnostic): Update. Handle ICEs here.
16069
16070 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
16071
16072         * gthr-vxworks.h (UNUSED): Define.
16073
16074 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
16075
16076         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
16077
16078 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
16079
16080         * doc/extend.texi (Function Attributes): Add missing comma in the
16081         example of the "alloc_size" attribute.
16082
16083 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
16084
16085         Revert:
16086         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
16087
16088         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
16089         32bit host.
16090
16091         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
16092
16093         PR target/35496
16094         * stor-layout.c (update_alignment_for_field): Set minimum alignment
16095         of the underlying type of a MS bitfield layout to the natural
16096         alignment of the type.
16097
16098         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
16099
16100         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
16101         to their natural alignment to avoid store forwarding stalls.
16102
16103 2008-03-22  Richard Guenther  <rguenther@suse.de>
16104
16105         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
16106         For PHI nodes verify the address is invariant.
16107         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
16108         (get_symbol_constant_value): Use is_gimple_min_invariant.
16109         (maybe_fold_stmt_indirect): Likewise.
16110
16111 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
16112
16113         PR rtl-optimization/33927
16114         * Makefile.in (dse.o): Depend on $(TM_P_H).
16115         * expr.h (extract_low_bits): Declare.
16116         * expmed.c (extract_low_bits): New function.
16117         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
16118         * dse.c: Include tm_p.h.
16119         (find_shift_sequence): Remove the read_reg argument and return the
16120         read value.  Emit the instructions instead of returning them.
16121         Iterate on new_mode rather than calculating it each time.
16122         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
16123         source to NEW_MODE and extract_low_bits to convert the shifted
16124         value to READ_MODE.
16125         (replace_read): Allow the load and store to have different mode
16126         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
16127         or extraction instructions before trying the replacement.  Update
16128         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
16129
16130 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
16131
16132         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
16133         to their natural alignment to avoid store forwarding stalls.
16134
16135 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16136
16137         PR target/27946
16138         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
16139         encouraging but not allowing gprs for input;
16140         change the input constraint to !f#r.
16141         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
16142         gprs for output;
16143         change the output constraint to !f#r.
16144
16145 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
16146
16147         PR target/13958
16148         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
16149         corresponding post-reload splitters.
16150         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
16151         when x87 FP math is selected.
16152         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
16153         New function prototype.
16154         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
16155         unreachable function to ease macroization of insn patterns.
16156
16157 2008-03-21  Martin Jambor  <mjambor@suse.cz>
16158
16159         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
16160         reference dumps if ddr is NULL or dependence is unknown.
16161
16162 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16163
16164         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
16165         unsigned extension into account.
16166         (ATOMIC_COMPARE_AND_SWAP): Likewise.
16167         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
16168         Do computations on a scratch register.
16169
16170 2008-03-21  Richard Guenther  <rguenther@suse.de>
16171
16172         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
16173         Use is_gimple_min_invariant instead of TREE_INVARIANT.
16174         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
16175         * tree-ssa-dom.c (record_equality): Likewise.
16176         * tree-inline.c (copy_body_r): Likewise.
16177         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
16178         TREE_INVARIANT.
16179
16180 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16181
16182         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
16183         as 'delete_unused' argument.
16184
16185 2008-03-20  Richard Guenther  <rguenther@suse.de>
16186
16187         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
16188         special casing of constant qualifiers.
16189         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
16190         care about them in general.
16191         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
16192         regardless of their type.
16193         (fold_stmt_r): Forcefully fold *& if we end up with that.
16194
16195 2008-03-20  Paul Brook  <paul@codesourcery.com>
16196
16197         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
16198         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
16199         linker flags.
16200         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
16201         definition.
16202         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
16203         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
16204
16205 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
16206
16207         * common.opt (Wmudflap): New option.
16208         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
16209         (mx_register_decls): Likewise.
16210         (mudflap_finish_file): Likewise.
16211         * doc/invoke.texi: Document -Wno-mudflap.
16212
16213 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
16214
16215         * c-format.c (replace_format_name_to_system_name): New.
16216         (cmp_attribs): New.
16217         (convert_format_name_to_system_name): New.
16218         (decode_format_attr): Add use of convert_format_name_to_system_name.
16219         (format_types_orig): Add gnu_ prefix to names.
16220         (check_format_info_main): Special treating of \0 escaped names for
16221         supporting multi-character format specifiers as I32, I64.
16222         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
16223         (gnu_target_overrides_format_attributes): New.
16224         * c-format.h: Add structure target_ovr_attr to hold
16225         system specific formatter names.
16226         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
16227         msformat-c.o file to c_target_objs and cxx_target_objs.
16228         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16229         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
16230         (TARGET_N_FORMAT_TYPES): New.
16231         * config/i386/msformat-c.c: New.
16232         * config/i386/t-cygming: Add build rule for msformat-c.o.
16233         * doc/extend.texi: Add new format names gnu_* and ms_* and
16234         further details.
16235         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16236
16237 2008-03-20  Ira Rosen  <irar@il.ibm.com>
16238
16239         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
16240         optimizations turned on under -O3.
16241         (ftree-vectorize): Add that the flag is turned on with -O3.
16242
16243 2008-03-20  Ben Elliston  <bje@au.ibm.com>
16244
16245         * regmove.c (try_auto_increment): Fix spelling error in comment.
16246         * final.c (final_scan_insn): Likewise.
16247
16248 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
16249
16250         PR target/14552
16251         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
16252         allocator preferences for "y" and "r" class registers.
16253         ("*mov<mode>_internal"): Ditto.
16254         ("*movv2sf_internal_rex64"): Ditto.
16255         ("*movv2sf_internal"): Ditto.
16256
16257 2008-03-19  Michael Matz  <matz@suse.de>
16258
16259         PR middle-end/35616
16260         * calls.c (expand_call): Check overlap of arguments with call
16261         address for sibcalls.
16262
16263 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
16264
16265         PR target/35496
16266         * stor-layout.c (update_alignment_for_field): Set minimum alignment
16267         of the underlying type of a MS bitfield layout to the natural
16268         alignment of the type.
16269
16270 2008-03-19  Jan Hubicka  <jh@suse.cz>
16271
16272         PR other/35094
16273         * toplev.c (decode_d_option): Handle all CPP flags.
16274         * tree-vrp.c: Update tree_pass descriptors.
16275         * regrename.c: Update tree_pass descriptors.
16276         * fwprop.c: Update tree_pass descriptors.
16277         * doc/invoke.texi: Remove documentation of dropped -d? flags.
16278         * tree-into-ssa.c: Update tree_pass descriptors.
16279         * tree-dump.c: Update tree_pass descriptors.
16280         * tree-complex.c: Update tree_pass descriptors.
16281         * tree-dump.h: Update tree_pass descriptors.
16282         * see.c: Update tree_pass descriptors.
16283         * cgraphbuild.c: Update tree_pass descriptors.
16284         * tracer.c: Update tree_pass descriptors.
16285         * tree-loop-distribution.c: Update tree_pass descriptors.
16286         * cgraph.c: Update tree_pass descriptors.
16287         * postreload-gcse.c: Update tree_pass descriptors.
16288         * postreload.c: Update tree_pass descriptors.
16289         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
16290         * tree-tailcall.c: Update tree_pass descriptors.
16291         * tree-pass.h (tree_opt_pass): Rename to ...
16292         (opt_pass) ... this one; add "type" field and remove letter field.
16293         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
16294         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
16295         all_lowering_passes): Update declaration.
16296         * ipa-cp.c: Update tree_pass descriptors.
16297         * final.c: Update tree_pass descriptors.
16298         * omp-low.c: Update tree_pass descriptors.
16299         * tree-ssa-dse.c: Update tree_pass descriptors.
16300         * ipa-reference.c: Update tree_pass descriptors.
16301         * tree-ssa-uncprop.c: Update tree_pass descriptors.
16302         * auto-inc-dec.c: Update tree_pass descriptors.
16303         * reorg.c: Update tree_pass descriptors.
16304         * cgraphunit.c: Update tree_pass descriptors.
16305         * tree-ssa-copyrename.c: Update tree_pass descriptors.
16306         * tree-ssa-ccp.c: Update tree_pass descriptors.
16307         * df-core.c: Update tree_pass descriptors.
16308         * mode-switching.c: Update tree_pass descriptors.
16309         * tree-nomudflap.c: Update tree_pass descriptors.
16310         * modulo-sched.c: Update tree_pass descriptors.
16311         * ipa-pure-const.c: Update tree_pass descriptors.
16312         * cse.c: Update tree_pass descriptors.
16313         * web.c: Update tree_pass descriptors.
16314         * tree-stdarg.c: Update tree_pass descriptors.
16315         * tree-ssa-math-opts.c: Update tree_pass descriptors.
16316         * tree-ssa-dom.c: Update tree_pass descriptors.
16317         * tree-nrv.c: Update tree_pass descriptors.
16318         * tree-ssa-alias.c: Update tree_pass descriptors.
16319         * loop-init.c: Update tree_pass descriptors.
16320         * gimple-low.c: Update tree_pass descriptors.
16321         * ipa-inline.c: Update tree_pass descriptors.
16322         * tree-ssa-sink.c: Update tree_pass descriptors.
16323         * global.c: Update tree_pass descriptors.
16324         * ifcvt.c: Update tree_pass descriptors.
16325         * jump.c: Update tree_pass descriptors.
16326         * predict.c: Update tree_pass descriptors.
16327         * tree-ssa-loop.c: Update tree_pass descriptors.
16328         * recog.c: Update tree_pass descriptors.
16329         * dse.c: Update tree_pass descriptors.
16330         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
16331         * tree-eh.c: Update tree_pass descriptors.
16332         * regmove.c: Update tree_pass descriptors.
16333         * local-alloc.c
16334         * function.c: Update tree_pass descriptors.
16335         * tree-vectorizer.c: Update tree_pass descriptors.
16336         * gcse.c: Update tree_pass descriptors.
16337         * ipa-type-escape.c: Update tree_pass descriptors.
16338         * tree-if-conv.c: Update tree_pass descriptors.
16339         * init-regs.c: Update tree_pass descriptors.
16340         * ipa.c: Update tree_pass descriptors.
16341         * tree-ssa-phiopt.c: Update tree_pass descriptors.
16342         * rtl-factoring.c: Update tree_pass descriptors.
16343         * lower-subreg.c: Update tree_pass descriptors.
16344         * bt-load.c: Update tree_pass descriptors.
16345         * tree-dfa.c: Update tree_pass descriptors.
16346         * except.c: Update tree_pass descriptors.
16347         * emit-rtl.c: Update tree_pass descriptors.
16348         * cfgexpand.c: Update tree_pass descriptors.
16349         * tree-cfgcleanup.c: Update tree_pass descriptors.
16350         * cfgcleanup.c: Update tree_pass descriptors.
16351         * tree-ssa-pre.c: Update tree_pass descriptors.
16352         * tree-sra.c: Update tree_pass descriptors.
16353         * tree-mudflap.c: Update tree_pass descriptors.
16354         * tree-ssa-copy.c: Update tree_pass descriptors.
16355         * cfglayout.c: Update tree_pass descriptors.
16356         * tree-ssa-forwprop.c: Update tree_pass descriptors.
16357         * tree-ssa-dce.c: Update tree_pass descriptors.
16358         * tree-ssa.c: Update tree_pass descriptors.
16359         * regclass.c: Update tree_pass descriptors.
16360         * integrate.c: Update tree_pass descriptors.
16361         * tree-optimize.c: Update tree_pass descriptors.
16362         * tree-ssa-phiprop.c: Update tree_pass descriptors.
16363         * tree-object-size.c: Update tree_pass descriptors.
16364         * combine.c: Update tree_pass descriptors.
16365         * tree-outof-ssa.c: Update tree_pass descriptors.
16366         * bb-reorder.c: Update tree_pass descriptors.
16367         * stack-ptr-mod.c: Update tree_pass descriptors.
16368         * var-tracking.c: Update tree_pass descriptors.
16369         * tree-profile.c: Update tree_pass descriptors.
16370         * tree-vect-generic.c: Update tree_pass descriptors.
16371         * reg-stack.c: Update tree_pass descriptors.
16372         * sched-rgn.c: Update tree_pass descriptors.
16373         * tree-ssa-structalias.c: Update tree_pass descriptors.
16374         * tree-cfg.c: Update tree_pass descriptors.
16375         * passes.c (current_pass): Update declaration.
16376         (finish_optimization_passes): Update.
16377         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
16378         (register_one_dump_file, register_dump_files_1, next_pass_1):
16379         Update arguments.
16380         (init_optimization_passes): Update handling of new types.
16381         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
16382         * ipa-struct-reorg.c: Update tree_pass descriptors.
16383         * tree-ssa-reassoc.c: Update tree_pass descriptors.
16384         * combine-stack-adj.c: Update tree_pass descriptors.
16385         * cfgrtl.c: Update tree_pass descriptors.
16386         * dce.c: Update tree_pass descriptors.
16387         * tree-ssanames.c: Update tree_pass descriptors.
16388
16389 2008-03-19  Richard Guenther  <rguenther@suse.de>
16390
16391         PR middle-end/35609
16392         * tree-ssa.c (walk_data): New structure.
16393         (warn_uninitialized_var): If not always_executed warn with "maybe"
16394         instead of "is".
16395         (execute_early_warn_uninitialized): Compute post-dominators.
16396         Initialize always_executed before processing each basic block.
16397
16398 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
16399
16400         PR target/35504
16401         * config/i386/i386.c (x86_this_parameter): Calculate correct location
16402         of "this" pointer when "regparm = N" or "fastcall" is in effect.
16403
16404 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16405
16406         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
16407
16408 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
16409
16410         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
16411         is true.
16412         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
16413         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
16414         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
16415         target after ignore has been set, and move there also the commputation
16416         of subtarget and original_target.
16417         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
16418         (LANG_HOOKS_INITIALIZER): Remove it.
16419         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
16420
16421 2008-03-18  Richard Guenther  <rguenther@suse.de>
16422
16423         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
16424         found an expression with constants, note that in the VN for the lhs.
16425         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
16426         fold them to constants if possible.  Run cleanup_cfg if done so.
16427         (execute_pre): Return todo.
16428         (do_pre): Likewise.
16429         (execute_fre): Likewise.
16430         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
16431         of constants.
16432         (get_prop_source_stmt): Look through pointer conversions.
16433
16434 2008-03-18  Jan Hubicka  <jh@suse.cz>
16435
16436         * tree-pretty-print.c: Include predict.h.
16437         (dump_generic_node): Dump predictor.
16438         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
16439         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
16440         * gimple-low.c (lower_stmt): Likewise.
16441         * expr.c (expand_expr_real): Likewise.
16442         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
16443         them.
16444         (build_predict_expr, build_predict_expr): New.
16445         * predict.h (predictor_name, build_predict_expr): Update.
16446         * c-typeck.c (c_finish_bc_stmt): Add prediction.
16447         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
16448         * predict.def (PRED_CONTINUE): Update hitrate.
16449         * tree.def (PREDICT_EXPR): Define.
16450         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
16451         do not handle BIND_EXPR.
16452         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
16453         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
16454         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
16455         operands.
16456
16457 2008-03-18  Michael Matz  <matz@suse.de>
16458
16459         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
16460
16461 2008-03-18  Richard Guenther  <rguenther@suse.de>
16462
16463         * tree-gimple.h (is_gimple_invariant_address): Declare.
16464         (is_gimple_constant): Likewise.
16465         * tree-gimple.c (is_gimple_constant): New function.
16466         (is_gimple_invariant_address): Likewise.
16467         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
16468         and is_gimple_invariant_address.
16469         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
16470         previous change.
16471         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
16472         an addressable base.
16473
16474 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
16475
16476         PR middle-end/35611
16477         * gimplify.c (gimplify_expr): Gimplify second operand of
16478         OMP_ATOMIC_LOAD.
16479
16480 2008-03-17  Richard Guenther  <rguenther@suse.de>
16481
16482         PR tree-optimization/19637
16483         * fold-const.c (fold_unary): Remove restrictions of removing
16484         intermediate pointer-conversions (P2)(P1)P0.
16485         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
16486         conversion to void pointer.
16487         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
16488
16489 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
16490
16491         PR debug/31510
16492         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
16493         emulated thread local variables.
16494
16495 2008-03-16  Richard Guenther  <rguenther@suse.de>
16496
16497         PR middle-end/35607
16498         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
16499         expand TREE_INVARIANT operations that are not gimple invariant.
16500
16501 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
16502
16503         * doc/extend.texi (Alignment): Say that the ABI controls
16504         the __alignof__ for non-strict-alignment targets rather
16505         than being a recommendation.
16506
16507 2008-03-15  Paul Brook  <paul@codesourcery.com>
16508
16509         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
16510         annotations.
16511         (arm_output_fn_unwind): Mark functions that can not be unwound.
16512
16513 2008-03-15  Paul Brook  <paul@codesourcery.com>
16514
16515         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
16516         extension instructions.
16517
16518 2008-03-15  Richard Guenther  <rguenther@suse.de>
16519
16520         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
16521         and fold constant aggregate refs.
16522         (fold_const_aggregate_ref): Handle string constants
16523         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
16524         (evaluate_stmt): Simplify now that ccp_fold folds constant
16525         aggregate refs.
16526
16527 2008-03-15  Paul Brook  <paul@codesourcery.com>
16528
16529         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
16530         (extzv): Use gen_extzv_t2.
16531         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
16532
16533 2008-03-15  Richard Guenther  <rguenther@suse.de>
16534
16535         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
16536         (fold_const_aggregate_ref): Likewise.
16537         (get_value): Return NULL if we don't have any values.
16538         (ccp_finalize): Set const_val to NULL after freeing it.
16539         * tree-flow.h (get_symbol_constant_value): Declare.
16540         (fold_const_aggregate_ref): Likewise.
16541         * tree-ssa-sccvn.c (try_to_simplify): Use them.
16542
16543 2008-03-15  Richard Guenther  <rguenther@suse.de>
16544
16545         PR middle-end/35593
16546         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
16547         to not produce negative array indices if not allowed.  Add
16548         parameter to indicate that.
16549         (maybe_fold_offset_to_component_ref): Allow negative array
16550         indices only for the first member of a structure.
16551         (maybe_fold_offset_to_reference): Allow negative array indices.
16552         (maybe_fold_stmt_addition): Likewise.
16553
16554 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
16555             Anatoly Sokolov <aesok@post.ru>
16556
16557         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
16558         (avr_arch): Add ARCH_AVR6.
16559         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
16560         (initial_elimination_offset): Initialize and use 'avr_pc_size'
16561         instead of fixed value 2.
16562         (print_operand_address): Use gs() asm specifier instead of pm().
16563         (avr_assemble_integer): (Ditto.).
16564         (avr_output_addr_vec_elt): (Ditto.).
16565         (print_operand): Handle "!" code.
16566         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
16567         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
16568         (AVR_HAVE_EIJMP_EICALL): Define.
16569         (AVR_3_BYTE_PC): Redefine.
16570         (AVR_2_BYTE_PC): (Ditto.).
16571         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
16572         (LINK_SPEC): Add atmega2560 and atmega2561.
16573         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
16574         (crtm2561.o).
16575         * config/avr/avr.md (call_insn): Use eicall instead of icall
16576         for 3 byte PC devices.
16577         (call_value_insn): (Ditto.).
16578         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
16579         (indirect_jump): Use only for for 2 byte PC devices.
16580         (*tablejump): (Ditto.).
16581         (*indirect_jump_avr6): Add insn.
16582         (*tablejump_rjmp): Don't use for 3 byte PC devices.
16583         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
16584         instead of ijmp for 3 byte PC devices.
16585         (__tablejump2__): (Ditto.).
16586         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
16587         (MULITLIB_DIRNAMES): (Ditto.).
16588         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
16589
16590 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
16591
16592         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
16593         "sse2_umulsidi3".  Use V1DI mode for operand 0.
16594         ("mmx_psadbw"): Use V1DI mode for operand 0.
16595         * config/i386/i386-modes.def (V1SI): New vector mode.
16596         * config/i386/i386.c (struct builtin_description)
16597         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
16598         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
16599         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
16600         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
16601         v1di_ftype_v8qi_v8qi type.
16602         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
16603
16604         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
16605         __builtin_ia32_pmuludq]: Fix the mode of return value.
16606
16607 2008-03-15  Richard Guenther  <rguenther@suse.de>
16608
16609         PR middle-end/35595
16610         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
16611         being a PHI_NODE.
16612
16613 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
16614
16615         * doc/invoke.texi (Option Summary, Xtensa Options): Document
16616         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
16617         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
16618         unless TARGET_SERIALIZE_VOLATILE is enabled.
16619         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
16620         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
16621         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
16622
16623 2008-03-14  Richard Guenther  <rguenther@suse.de>
16624
16625         PR tree-optimization/34172
16626         * tree-flow.h (refs_may_alias_p): Declare.
16627         (get_single_def_stmt): Likewise.
16628         (get_single_def_stmt_from_phi): Likewise.
16629         (get_single_def_stmt_with_phi): Likewise.
16630         * tree-dfa.c (refs_may_alias_p): New function.
16631         (get_single_def_stmt): Likewise.
16632         (get_single_def_stmt_from_phi): Likewise.
16633         (get_single_def_stmt_with_phi): Likewise.
16634         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
16635         (vn_reference_lookup_1): New helper function.
16636         (vn_reference_lookup): Walk the virtual use-def chain to
16637         continue searching for a match if the def does not alias the
16638         reference we are looking for.
16639
16640 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
16641
16642         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
16643         archive and Perzl.  Update The Written Word listing.
16644
16645 2008-03-14  Richard Guenther  <rguenther@suse.de>
16646
16647         PR tree-optimization/34043
16648         PR tree-optimization/33989
16649         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
16650         when doing FRE.
16651         (bitmap_find_leader): Use extra argument to verify dominance
16652         relationship inside a basic-block.
16653         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
16654         (find_leader_in_sets): Adjust.
16655         (create_component_ref_by_pieces): Take extra argument for
16656         dominance check, handle lookup failures.
16657         (find_or_generate_expression): Likewise.
16658         (create_expression_by_pieces): Likewise.
16659         (insert_into_preds_of_block): Adjust.
16660         (create_value_expr_from): If asked for, verify all operands
16661         are in the blocks AVAIL_OUT set.
16662         (make_values_for_stmt): Check for SSA_NAMEs that are life
16663         over an abnormal edge.
16664         (compute_avail): Remove such check.
16665         (do_SCCVN_insertion): New function.
16666         (eliminate): If we do not find a leader suitable for replacement
16667         insert a replacement expression from SCCVN if available.
16668         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
16669         (struct vn_ssa_aux): Add needs_insertion flag.
16670         * tree-ssa-sccvn.c (may_insert): New global flag.
16671         (copy_reference_ops_from_ref): Value-number union member access
16672         based on its size, not type and member if insertion is allowed.
16673         (visit_reference_op_load): For a weak match from union type
16674         punning lookup a view-converted value and insert a SSA_NAME
16675         for that value if that is not found.
16676         (visit_use): Make dumps shorter.  Do not disallow value numbering
16677         SSA_NAMEs that are life over an abnormal edge to constants.
16678         (free_scc_vn): Release inserted SSA_NAMEs.
16679         (run_scc_vn): New flag to specify whether insertion is allowed.
16680         Process SSA_NAMEs in forward order.
16681         * tree-ssa-loop-im.c (for_each_index): Handle invariant
16682         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
16683         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
16684         pointer type to/from integral types that do not change the
16685         precision to regular conversions.
16686
16687 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16688
16689         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
16690         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
16691         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
16692         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
16693         input arguments and the mode of return value.  Built-in functions
16694         that operate on whole 64-bit MMX register now use V1DI mode.
16695
16696 2008-03-13  Alon Dayan  <alond@il.ibm.com>
16697             Olga Golovanevsky  <olga@il.ibm.com>
16698
16699         PR tree-optimization/35041
16700         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
16701         to locate the right position in a statement.
16702
16703 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16704
16705         PR target/34000
16706         PR target/35553
16707         * config/i386/xmmintrin.h:  Change all static inline functions to
16708         extern inline and add __gnu_inline__ attribute.
16709         * config/i386/bmintrin.h: Ditto.
16710         * config/i386/smmintrin.h: Ditto.
16711         * config/i386/tmmintrin.h: Ditto.
16712         * config/i386/mmintrin-common.h: Ditto.
16713         * config/i386/ammintrin.h: Ditto.
16714         * config/i386/emmintrin.h: Ditto.
16715         * config/i386/pmmintrin.h: Ditto.
16716         * config/i386/mmintrin.h: Ditto.
16717         * config/i386/mm3dnow.h: Ditto.
16718
16719 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
16720
16721         PR middle-end/35185
16722         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
16723         (lower_omp_2): New function.
16724         (lower_omp_1, lower_omp): Rewritten.
16725
16726 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
16727
16728         PR 35054
16729         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
16730         with the phrase "Microsoft Windows compilers".
16731         (Push/Pop Macro Pragmas): New subsection. Document
16732         #pragma push_macro and pragma pop_macro.
16733
16734 2008-03-12  Paul Brook  <paul@codesourcery.com>
16735
16736         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
16737
16738 2008-03-12  Paul Brook  <paul@codesourcery.com>
16739
16740         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
16741         (thumb2_alusi3_short): Exclude PLUS and MINUS.
16742         (thumb2_addsi_shortim): Rename ...
16743         (thumb2_addsi_short): ... to this.  Allow register operands.
16744         (thumb2_subsi_short): New pattern.
16745         (thumb2_one_cmplsi2_short,
16746         thumb2_negsi2_short): New patterns and peepholes.
16747
16748 2008-03-12  Paul Brook  <paul@codesourcery.com>
16749
16750         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
16751
16752 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
16753
16754         * config/i386/i386.md (int_cond): New code iterator.
16755         (fp_cond): Ditto.
16756         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
16757         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
16758         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
16759         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
16760         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
16761         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
16762         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
16763         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
16764
16765 2008-03-12  Paul Brook  <paul@codesourcery.com>
16766
16767         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
16768         instead of {arm,thumb}_compute_save_reg_mask.
16769         (output_return_instruction): Ditto.
16770         (thumb_unexpanded_epilogue): Ditto.
16771         (thumb1_expand_prologue): Ditto.
16772         (thumb1_output_function_prologue): Ditto.
16773         (arm_set_return_address): Ditto.
16774         (thumb_set_return_address): Ditto.
16775         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
16776         regs to achieve stack alignment.
16777         (thumb1_compute_save_reg_mask): Fix compiler warning.
16778         (arm_output_epilogue): Use offsets->saved_regs_mask.
16779         Adjust stack pointer by poping call clobered registers.
16780         (arm_expand_prologue): Use offsets->saved_regs_mask.
16781         Adjust stack pointer by pushing extra registers.
16782         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
16783
16784 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
16785
16786         PR tree-opt/35422
16787         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
16788         conversion to the operands of a multiplication.
16789
16790 2008-03-12  Richard Guenther  <rguenther@suse.de>
16791
16792         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
16793         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
16794         * timevar.def (TV_TREE_PHIPROP): Add.
16795         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
16796         pass description.  Use TV_TREE_PHIPROP.
16797         * tree-ssa-forwprop.c: Remove phiprop code.
16798
16799 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
16800
16801         PR middle-end/35549
16802         * omp-low.c (maybe_lookup_decl): Constify first argument.
16803         (use_pointer_for_field): Change last argument from bool to
16804         omp_context *.  Disallow shared copy-in/out in nested
16805         parallel if decl is shared in outer parallel too.
16806         (build_outer_var_ref, scan_sharing_clauses,
16807         lower_rec_input_clauses, lower_copyprivate_clauses,
16808         lower_send_clauses, lower_send_shared_vars): Adjust callers.
16809
16810 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
16811             Ira Rosen  <irar@il.ibm.com>
16812
16813         * tree-vectorizer.c (free_stmt_vec_info): New function.
16814         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
16815         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
16816         * tree-vectorizer.h (free_stmt_vec_info): Declare.
16817         * tree-vect-transform.c (vectorizable_conversion): Free
16818         vec_oprnds0 if it was allocated.
16819         (vect_permute_store_chain): Remove unused VECs.
16820         (vectorizable_store): Free VECs that are allocated in the..
16821         function.
16822         (vect_transform_strided_load, vectorizable_load): Likewise.
16823         (vect_remove_stores): Simplify the code.
16824         (vect_transform_loop): Move code to vect_remove_stores().
16825         Call vect_remove_stores() and free_stmt_vec_info().
16826
16827 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16828
16829         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
16830         TARGET_HPUX.  Revise comment.
16831         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
16832         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
16833         Use sr4 variant of `be' instruction when not generating PIC code.
16834         (attr_length_call): Adjust for above change.
16835
16836 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16837
16838         * ipa-reference.c (static_execute): Remove module_statics_const and
16839         associated setting code.
16840
16841 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
16842
16843         PR target/35540
16844         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
16845         predicate for operand 1.
16846         (paritysi2_cmp): Use register_operand predicate for operand 2.
16847         Use earlyclobber modifier for operand 1.  Remove support for
16848         memory operands.
16849         (paritydi2_cmp): Use register_operand predicate for operand 3.
16850         Use earlyclobber modifier for operand 1.  Remove support for
16851         memory operands.
16852
16853 2008-03-11  Paul Brook  <paul@codesourcery.com>
16854             Vladimir Prus  <vladimir@codesourcery.com>
16855
16856         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
16857         (arm_compute_save_reg0_reg12_mask): Always
16858         check if register 11 must be saved.  Always safe hard frame pointer
16859         when frame_pointer_needeed.
16860         (arm_compute_save_reg_mask): Save IP and PC
16861         only with apcs frames.
16862         (arm_output_epilogue): Adjust Thumb2 codepath to
16863         be also invoked and work for ARM non-apcs frames.
16864         (arm_expand_prologue): Don't bother saving IP
16865         for non-apcs frame, since it's not clobbered by
16866         prologue code.  Implement non-apcs frame
16867         layout.
16868
16869 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
16870
16871         PR rtl-optimization/35281
16872         * expr.c (convert_move): Use a new pseudo for the intermediate
16873         from_mode->word_mode result.
16874
16875 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
16876
16877         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
16878         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
16879         * toplev.c (compile_file): Don't call it.
16880
16881 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
16882
16883         PR middle-end/35526
16884         * expr.c (store_expr): Call emit_block_move if the mode
16885         of "temp" RTX is BLKmode.
16886
16887 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16888             Richard Guenther  <rguenther@suse.de>
16889
16890         PR tree-optimization/31358
16891         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
16892         the step with a NULL_TREE.
16893         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
16894         to sizetype if type is a pointer type.
16895         (add_candidate_1): Don't convert the base and step to
16896         the generic type if the orginal type is a pointer type.
16897         (add_iv_value_candidates): Use sizetype for the step
16898         if type is a pointer type.
16899         (cand_value_at): Likewise.
16900         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
16901         for pointer types.
16902         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
16903         Don't convert the tem affine to the type.
16904         (add_elt_to_tree): Use sizetype for the step if a pointer.
16905         Use POINTER_PLUS_EXPR for pointers.
16906         (aff_combination_to_tree): Use sizetype for the step if a
16907         pointer.
16908
16909 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
16910
16911         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
16912         Remove commutativity hint.
16913
16914 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
16915
16916         PR c/35438
16917         PR c/35439
16918         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
16919         errorneous type.  Check that v is a VAR_DECL.
16920
16921         PR middle-end/35099
16922         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
16923
16924 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
16925
16926         PR tree-optimization/35494
16927         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
16928         may be overriden at link and run time.
16929
16930 2008-03-10  Richard Guenther  <rguenther@suse.de>
16931
16932         PR tree-optimization/34677
16933         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
16934         (poolify_tree): Likewise.
16935         (modify_expr_template): Likewise.
16936         (poolify_modify_stmt): Likewise.
16937         (insert_fake_stores): Handle all component-ref style stores
16938         in addition to INDIRECT_REF.  Also handle complex types.
16939         Do not poolify the inserted load.
16940         (realify_fake_stores): Do not rebuild the tree but only
16941         make it a SSA_NAME copy.
16942         (init_pre): Remove initialzation of modify_expr_template.
16943         Do not allocate modify_expr_node_pool.
16944         (fini_pre): Do not free modify_expr_node_pool.
16945
16946 2008-03-10  Paul Brook  <paul@codesourcery.com>
16947
16948         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
16949         to avoid conflicts.
16950
16951 2008-03-10  Paul Brook  <paul@codesourcery.com>
16952             Mark Shinwell  <shinwell@codesourcery.com>
16953
16954         * config/arm/cortex-r4.md: New.
16955         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
16956         insn attributes.
16957         * config/arm/arm.md: Include cortex-r4.md.
16958         (insn): Add smmls, sdiv and udiv values.
16959         (generic_sched): Don't use generic scheduling for Cortex-R4.
16960         (arm_issue_rate): New function.
16961         (TARGET_SCHED_ISSUE_RATE): Define.
16962
16963 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
16964
16965         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
16966
16967 2008-03-10  Richard Guenther  <rguenther@suse.de>
16968
16969         * tree-ssa-pre.c (get_sccvn_value): Simplify.
16970         (compute_avail): Do not add stmt uses to AVAIL_OUT.
16971
16972 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
16973
16974         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
16975         Set default to true.
16976
16977 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16978
16979         * c.opt (Wsynth): Deprecate.
16980         * doc/invoke.texi (Option Summary, Warning Options): Document
16981         -Wno-format-contains-nul.
16982
16983 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
16984
16985         PR target/35496
16986         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
16987         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
16988
16989 2008-03-09  Ira Rosen  <irar@il.ibm.com>
16990
16991         * config/rs6000/rs6000.c (builtin_description): Rename vector
16992         left shift operations.
16993         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
16994         (altivec_vsl<VI_char>): Rename to ...
16995         (ashl<mode>3): ... new name.
16996         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
16997         gen_ashlv4si3.
16998         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
16999
17000 2008-03-08  Richard Guenther  <rguenther@suse.de>
17001
17002         * coverage.h (tree_coverage_counter_addr): Declare.
17003         * coverage.c (tree_coverage_counter_addr): New function.
17004         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
17005         before using again.
17006         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
17007         (tree_gen_one_value_profiler): Likewise.
17008         (tree_gen_ic_profiler): Likewise.
17009         (tree_gen_average_profiler): Likewise.
17010         (tree_gen_ior_profiler): Likewise.
17011
17012 2008-03-08  Richard Guenther  <rguenther@suse.de>
17013
17014         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
17015         (vn_binary_op_insert): Likewise.
17016         (vn_unary_op_lookup): Likewise.
17017         (vn_unary_op_insert): Likewise.
17018         (vn_nary_op_lookup): Declare.
17019         (vn_nary_op_insert): Likewise.
17020         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
17021         and binary hashes, use a single obstack for unary_op_pool
17022         and binary_op_pool.
17023         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
17024         a single struct vn_nary_op_s.  Store tree code length and
17025         a variable number of operands.
17026         (struct vn_reference_op_struct): Remove unused op2.
17027         (vn_reference_op_eq): Do not compare op2.
17028         (vn_reference_op_compute_hash): Do not compute hash of op2.
17029         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
17030         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
17031         with vn_nary_op_compute_hash.
17032         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
17033         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
17034         vn_nary_op_lookup.
17035         (vn_unary_op_insert, vn_binary_op_insert): Replace with
17036         vn_nary_op_insert.
17037         (visit_unary_op): Call nary functions.
17038         (visit_binary_op): Likewise.
17039         (process_scc): Adjust for struct vn_tables_s changes.
17040         (allocate_vn_table): Likewise.
17041         (free_vn_table): Likewise.
17042         * tree-vn.c (vn_add): Call nary functions.
17043         (vn_lookup): Likewise.
17044
17045 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
17046
17047         PR target/35498
17048         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
17049         wdst back after sync_compare_and_swapqhi_internal.
17050
17051 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
17052
17053         PR target/22152
17054         * config/i386/i386-modes.def (V1DI): New vector mode.
17055         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
17056         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
17057         (MMXMODE248): Ditto.
17058         (MMXMODE): Add V1DI mode.
17059         (mmxvecsize): Change DI mode to V1DI mode.
17060         ("mov<mode>): Use MMXMODEI8 mode iterator.
17061         ("*mov<mode>_internal_rex64"): Ditto.
17062         ("*mov<mode>_internal"): Ditto.
17063         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
17064         ("mmx_sub<mode>3"): Ditto.
17065         ("mmx_adddi3"): Remove insn pattern.
17066         ("mmx_subdi3"): Ditto.
17067         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
17068         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
17069         ("mmx_ashl<mode>3"): Ditto.
17070         ("mmx_lshrdi3"): Remove insn pattern.
17071         ("mmx_ashldi3"): Ditto.
17072         * config/i386/i386.c (classify_argument): Handle V1DImode.
17073         (function_arg_advance_32): Ditto.
17074         (function_arg_32): Ditto.
17075         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
17076         mmx_addv1di3 insn pattern.
17077         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
17078         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
17079         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
17080         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
17081         Remove definitions of built-in functions.
17082         (V1DI_type_node): New node.
17083         (v1di_ftype_v1di_int): Ditto.
17084         (v1di_ftype_v1di_v1di): Ditto.
17085         (v2si_ftype_v2si_si): Ditto.
17086         (v4hi_ftype_v4hi_di): Remove node.
17087         (v2si_ftype_v2si_di): Ditto.
17088         (ix86_init_mmx_sse_builtins): Handle V1DImode.
17089         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
17090         Redefine builtins using def_builtin_const with *_ftype_*_int node.
17091         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
17092         Add new builtins using def_builtin_const.
17093         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
17094         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
17095         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
17096         * config/i386/mmintrin.h (__v1di): New typedef.
17097         (_mm_add_si64): Cast arguments to __v1di type.
17098         (_mm_sub_si64): Ditto.
17099         (_mm_sll_pi16): Cast __count to __v4hi type.
17100         (_mm_sll_pi32): Cast __count to __v2si type.
17101         (_mm_sll_si64): Cast arguments to __v1di type.
17102         (_mm_srl_pi16): Cast __count to __v4hi type.
17103         (_mm_srl_pi32): Cast __count to __v2si type.
17104         (_mm_srl_si64): Cast arguments to __v1di type.
17105         (_mm_sra_pi16): Cast __count to __v4hi type.
17106         (_mm_sra_pi32): Cast __count to __v2si type.
17107         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
17108         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
17109         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
17110         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
17111         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
17112         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
17113         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
17114         (_mm_srai_pi32): Use __builtin_ia32_psradi.
17115         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
17116         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
17117         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
17118         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
17119
17120 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
17121
17122         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
17123
17124 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
17125
17126         PR target/35373
17127         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
17128         reg+const addressing for Altivec modes.  Don't generate reg+reg
17129         addressing for TFmode or TDmode quantities.
17130
17131 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
17132
17133         * c-common.c (vector_types_convertible_p): Call langhook
17134         instead of comptypes.
17135
17136 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17137
17138         PR tree-opt/35402
17139         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
17140         integral and scalar float variables which have a
17141         NULL DECL_INITIAL.
17142
17143 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
17144
17145         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
17146         dwarf_register_span hook when emitting unwind information for
17147         register-to-memory saves.
17148         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
17149         (rs6000_frame_related): Remove call to spe_synthesize_frame.
17150
17151 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
17152
17153         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
17154         for the same VAR_DECL.
17155
17156 2008-03-06  Tom Tromey  <tromey@redhat.com>
17157
17158         * treelang: Delete.
17159         * doc/standards.texi (Standards): Don't mention treelang.
17160         * doc/invoke.texi (Overall Options): Don't mention treelang.
17161         * doc/install.texi (Prerequisites): Don't mention bison or
17162         treelang.
17163         (Configuration): Don't mention treelang.
17164         (Building): Likewise.
17165         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
17166
17167 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
17168
17169         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
17170         word-extractions out of a multi-word object.
17171
17172 2008-03-06  Richard Guenther  <rguenther@suse.de>
17173
17174         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
17175         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
17176         result type and precision.
17177         * expr.c (get_inner_reference): Set unsignedp based on the result
17178         type of BIT_FIELD_REF.
17179         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
17180         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
17181         (try_instantiate_multiple_fields): Likewise.  Use the correct type
17182         for BIT_FIELD_REF.
17183         (sra_build_assignment): Likewise.
17184         (sra_build_elt_assignment): Likewise.
17185         (sra_explode_bitfield_assignment): Likewise.
17186         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
17187         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
17188         set BIT_FIELD_REF_UNSIGNED.
17189         (vectorizable_load): Likewise.
17190
17191 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
17192
17193         * cse.c (cse_extended_basic_block): Invalidate artificial defs
17194         at bb start.
17195
17196 2008-03-06  Richard Guenther  <rguenther@suse.de>
17197
17198         * alias.c (struct alias_set_entry): Move has_zero_child field
17199         to pack with alias_set.
17200
17201 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
17202
17203         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
17204         32bit host.
17205
17206 2008-03-05  Ian Lance Taylor  <iant@google.com>
17207
17208         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
17209
17210 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
17211
17212         * fwprop.c (update_df): Support width and offset parameters of
17213         df_ref_create.
17214         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
17215         global_conflicts): Change DF_REF_EXTRACT to either
17216         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17217         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17218         * df-scan.c (df_ref_record, df_defs_record,
17219         df_ref_create_structure, df_def_record_1, df_uses_record,
17220         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
17221         df_bb_refs_collect, df_entry_block_defs_collect,
17222         df_exit_block_uses_collect): Support new width and offset fields.
17223         (ref_extract_pool): New storage pool.
17224         (df_free_ref): New function.
17225         (df_reg_chain_unlink, df_free_collection_rec,
17226         df_sort_and_compress_refs): Call df_free_ref.
17227         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
17228         of df_ref_extract.
17229         (df_ref_create_structure): Allocate df_ref_extract if offset and
17230         width fields are used.
17231         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
17232         (df_uses_record): Get offset and width from ZERO_EXTRACT
17233         and SIGN_EXTRACT.
17234         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
17235         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17236         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17237         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
17238         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17239         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17240         (df_ref_extract): New structure.
17241         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
17242         (df_ref_create): Add width and offset parameters.
17243
17244 2008-03-05  Richard Guenther  <rguenther@suse.de>
17245
17246         * tree-ssa-structalias.c (get_constraint_for_component_ref):
17247         Use ranges_overlap_p.
17248         (offset_overlaps_with_access): Rename
17249         to ranges_overlap_p and move ...
17250         * tree-flow-inline.h (ranges_overlap_p): ... here.
17251
17252         * tree.h (get_inner_reference, handled_component_p): Update
17253         comments.
17254
17255         * tree.h (record_component_aliases, get_alias_set,
17256         alias_sets_conflict_p, alias_sets_must_conflict_p,
17257         objects_must_conflict_p): Move declarations ...
17258         * alias.h (record_component_aliases, get_alias_set,
17259         alias_sets_conflict_p, alias_sets_must_conflict_p,
17260         objects_must_conflict_p): ... here.
17261         Include coretypes.h.
17262         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
17263
17264 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
17265
17266         * cfg.c: Include tree-flow.h.
17267         (remove_edge_raw): Call redirect_edge_var_map_clear.
17268         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
17269         * tree-flow-inline.h (redirect_edge_var_map_def): New.
17270         (redirect_edge_var_map_result): New.
17271         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
17272         PENDING_STMT use with redirect_edge_var_map_*.
17273         * tree-ssa.c (edge_var_maps): New definition.
17274         (redirect_edge_var_map_add): New.
17275         (redirect_edge_var_map_clear): New.
17276         (redirect_edge_var_map_dup): New.
17277         (redirect_edge_var_map_vector): New.
17278         (redirect_edge_var_map_destroy): New.
17279         (ssa_redirect_edge): Replace PENDING_STMT use with
17280         redirect_edge_var_map_*.
17281         (flush_pending_stmts): Same.
17282         (delete_tree_ssa): Destroy edge var map.
17283         * tree-flow.h (struct _edge_var_map): New.
17284         Define edge_var_map vector type.
17285         Declare redirect_edge_var_map_* prototypes.
17286         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
17287         * tree-cfg.c (reinstall_phi_args): Replace
17288         PENDING_STMT use with redirect_edge_var_map_*.
17289
17290 2008-03-05  Richard Guenther  <rguenther@suse.de>
17291
17292         PR tree-optimization/35472
17293         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
17294         whose single use_stmt has a overlapping set of loaded and
17295         stored symbols as that use_stmt might be a noop assignment then.
17296
17297 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
17298
17299         * gthr-rtems.h: Implement __gthread_mutex_destroy.
17300
17301 2008-03-05  Richard Guenther  <rguenther@suse.de>
17302
17303         PR c++/35336
17304         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
17305         should be constants.
17306         * tree-cfg.c (verify_expr): Verify it.
17307         * fold-const.c (fold_truthop): Remove code generating
17308         BIT_FIELD_REFs of structure bases.
17309         (fold_binary): Likewise.
17310         (fold_ternary): Position and size of BIT_FIELD_REFs are
17311         always host integers.
17312         (make_bit_field_ref): Remove.
17313         (optimize_bit_field_compare): Remove.
17314         (all_ones_mask_p): Remove.
17315
17316 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
17317
17318         PR gcc/33009
17319         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
17320         (split_block_and_df_analyze): New. Split basic block and rebuild
17321         dataflow.
17322         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
17323         SPLIT_BLOCK.
17324         (split_pattern_seq): Likewise.
17325         (erase_matching_seqs): Likewise.
17326         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
17327
17328 2008-03-04  Geoff Keating  <geoffk@apple.com>
17329
17330         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
17331         declaration and code.
17332         (tree_invalid_nonnegative_warnv_p): Likewise.
17333
17334 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
17335
17336         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
17337         examples.  Truncate option-names then causing overfull hbox.
17338
17339 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17340
17341         PR target/35222
17342         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
17343         on hpux10.
17344         * configure: Rebuilt.
17345
17346 2008-03-04  Rafael Espindola  <espindola@google.com>
17347
17348         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
17349         (tree_unary_nonnegative_warnv_p): New.
17350         (tree_binary_nonnegative_warnv_p): New.
17351         (tree_single_nonnegative_warnv_p): New.
17352         (tree_invalid_nonnegative_warnv_p): New.
17353         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
17354
17355 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17356
17357         PR 28322
17358         * opts.c (handle_option): Postpone 'unknown option' errors only for
17359         warning options.
17360
17361 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
17362
17363         PR target/35453
17364         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
17365         (_SIDD_XXX): This.
17366
17367 2008-03-04  Rafael Espindola  <espindola@google.com>
17368
17369         * fold-const.c (tree_unary_nonzero_warnv_p): New.
17370         (tree_binary_nonzero_warnv_p): New.
17371         (tree_single_nonzero_warnv_p): New.
17372         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
17373
17374 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
17375
17376         PR middle-end/35456
17377         * fold-const.c (fold_cond_expr_with_comparison): Prevent
17378         transformations for modes that have signed zeros.
17379         * ifcvt.c (noce_try_abs): Ditto.
17380
17381 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
17382
17383         * config/i386/i386.c (override_options): Force
17384         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
17385
17386 2008-03-04  Jan Hubicka  <jh@suse.cz>
17387
17388         PR c++/35262
17389         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
17390         in last commit.
17391
17392 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17393
17394         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
17395         label to probe the stack.
17396
17397 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17398
17399         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
17400         (__gthr_win32_mutex_destroy): Declare.
17401         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
17402         __gthr_win32_mutex_destroy.
17403         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
17404
17405 2008-03-03  Jan Hubicka  <jh@suse.cz>
17406
17407         PR c++/35262
17408         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
17409         aggressive on inlining cold calls.
17410
17411 2008-03-03  Richard Guenther  <rguenther@suse.de>
17412
17413         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
17414         struct copies into the expression table.
17415         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
17416         (try_to_simplify): Likewise.
17417         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
17418         integral and pointer arguments which do not change the
17419         precision to NOP_EXPRs.
17420         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
17421         VIEW_CONVERT_EXPR case.
17422
17423 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
17424
17425         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
17426         defined in a loop at depth 0 is invariant.
17427         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
17428         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
17429         be called at loop depth 0.
17430
17431 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
17432
17433         PR driver/35420
17434         * gcc.c (process_command): Update copyright notice dates.
17435         * gcov.c (print_version): Likewise.
17436         * gcov-dump.c (print_version): Likewise.
17437         * mips-tfile.c (main): Likewise.
17438         * mips-tdump.c (main): Likewise.
17439
17440 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17441
17442         PR 24924
17443         * c-common.c (flag_permissive): Delete.
17444         (constant_expression_warnings): Check flags first.
17445         (constant_expression_error): New.
17446         * c-common.h (flag_permissive): Delete.
17447         (constant_expression_error): Declare.
17448         * flags.h (flag_permissive): Declare. Update description.
17449         * diagnostic.c (pedwarn): Update.
17450         (permerror): New.
17451         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
17452         (permissive_error_kind): New.
17453         * toplev.c (flag_permissive): Define. Update description.
17454         * toplev.h (permissive_error_kind): Declare.
17455         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
17456         (pedwarn_c90): Use pedantic_warning_kind.
17457         * c-opts.c (c_common_post_options): flag_permissive does not affect
17458         flag_pedantic_errors.
17459
17460 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
17461
17462         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
17463         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
17464         __absvsi2, __absvDI2): Use unsigned arithmetic.
17465
17466 2008-03-02  Andi Kleen  <ak@suse.de>
17467             Richard Guenther  <rguenther@suse.de>
17468
17469         * struct-equiv.c: Remove file.
17470         * cfg_cleanup.c (condjump_equiv_p): Remove.
17471         * Makefile.in (OBJS-common): Remove struct-equiv.o.
17472         (struct-equiv.o): Remove rule.
17473         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
17474         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
17475         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
17476
17477 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17478
17479         * ifcvt.c (noce_process_if_block): Try to handle only the then
17480         block if the else block exists but isn't suitable.
17481
17482 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17483
17484         PR gcc/35063
17485         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
17486         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
17487         regression from previous patch.
17488
17489 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17490
17491         PR gcc/35063
17492         * gthr.h: Add __gthread_mutex_destroy as a function that must be
17493         implemented.
17494         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
17495         * gthr-single.h (__gthread_mutex_destroy): Likewise.
17496         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
17497         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
17498         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
17499         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
17500         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
17501         (__gthread_mutex_destroy_function): Rename to
17502         __gthread_mutex_destroy.
17503         * gthr-dce.h (__gthread_mutex_destroy): Call
17504         pthread_mutex_destroy.
17505         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
17506         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
17507         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
17508
17509 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17510
17511         * df-scan.c (df_ref_chain_change_bb): Simplify.
17512         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
17513         set_block_for_insn if there's any change.
17514         * df.h ((df_insn_change_bb): Fix prototype.
17515         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
17516         df_insn_change_bb, don't call set_block_for_insn.
17517         * emit-rtl.c (reorder_insns): Likewise.
17518         * haifa-sched.c (move_insn): Likewise.
17519
17520 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17521
17522         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
17523
17524 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17525
17526         * tree-flow-inline.h (next_readonly_imm_use): Return
17527         NULL_USE_OPERAND_P after the end.
17528
17529 2008-03-01  Richard Guenther  <rguenther@suse.de>
17530
17531         PR tree-optimization/35411
17532         * tree-sra.c (sra_build_assignment): Split conversion to
17533         final type to a separate statement if we are not assigning
17534         to a register.
17535
17536 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
17537
17538         * fold-const.c (fold_convertible_p): Correct the logic to follow
17539         that in fold_convert().
17540
17541 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
17542
17543         PR c++/35315
17544         * tree-inline.c (build_duplicate_type): When we make a
17545         duplicate type, make it unique in the canonical types system.
17546
17547 2008-02-29  Tom Tromey  <tromey@redhat.com>
17548
17549         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
17550         input_file_stack_history, input_file_stack_restored): Remove.
17551         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17552         * input.h (struct file_stack): Remove.
17553         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17554         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
17555         Likewise.
17556         * diagnostic.h (struct diagnostic_context) <last_module>: Change
17557         type.
17558         (diagnostic_last_module_changed): Add 'map' argument.
17559         (diagnostic_set_last_function): Likewise.
17560         * diagnostic.c (undiagnostic_report_current_module): Iterate using
17561         line map, not input_file_stack.
17562         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
17563
17564 2008-02-29  Paul Brook  <paul@codesourcery.com>
17565
17566         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
17567
17568 2008-02-29  Paul Brook  <paul@codesourcery.com>
17569
17570         * config/arm/ieee754-df.S (muldf3): Use RET macros.
17571
17572 2008-02-29  Richard Guenther  <rguenther@suse.de>
17573
17574         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
17575         vn_lookup_or_add.
17576         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
17577         value for comparing for a store match.
17578         (simplify_unary_expression): Do nothing for SSA_NAMEs.
17579         (try_to_simplify): Do not do a full-blown reference lookup.
17580
17581 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17582
17583         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
17584         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17585
17586         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
17587
17588 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
17589
17590         * tree-loop-linear.c (try_interchange_loops): Compare memory access
17591         strides against cache sizes.
17592
17593 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17594
17595         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
17596         constant to fpul.
17597
17598 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
17599
17600         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
17601         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
17602         is smaller than the original promoted value.
17603         (simplify_subreg): If OP is a SUBREG, try to preserve its
17604         SUBREG_PROMOTED_VAR_P information.
17605
17606 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
17607
17608         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
17609         (VN_INFO_GET): Allocate new objects on the obstack.
17610         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
17611         for rpo_numbers_temp, for consistency.
17612         (free_scc_vn): Free the obstack.
17613
17614 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
17615
17616         * doc/invoke.texi: Document -ftree-loop-distribution.
17617         * tree-loop-distribution.c: New.
17618         * tree-pass.h (pass_loop_distribution): New.
17619         * graphds.h (struct graph): Add htab_t indices.
17620         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
17621         * tree-vectorizer.c (rename_variables_in_loop): Extern.
17622         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
17623         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
17624         * tree-data-ref.c (debug_data_dependence_relations): New.
17625         (dump_data_dependence_relation): Also print data references.
17626         (free_data_ref): Extern.
17627         (same_access_functions): Moved...
17628         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
17629         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17630         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
17631         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
17632         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
17633         (stmts_from_loop): Skip LABEL_EXPR.
17634         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
17635         New.
17636         (build_rdg): Initialize rdg->indices htab.
17637         (free_rdg, stores_from_loop, ref_base_address,
17638         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
17639         have_similar_memory_accesses_1, ref_base_address_1,
17640         remove_similar_memory_refs): New.
17641         * tree-data-ref.h: Depend on tree-chrec.h.
17642         (debug_data_dependence_relations, free_data_ref): Declared.
17643         (same_access_functions): ... here.
17644         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
17645         New.
17646         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
17647         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
17648         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
17649         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17650         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
17651         rdg_vertex_for_stmt): Declared.
17652         (struct rdg_edge): Add level.
17653         (RDGE_LEVEL): New.
17654         (free_rdg, stores_from_loop, remove_similar_memory_refs,
17655         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
17656         Declared.
17657         (rdg_has_similar_memory_accesses): New.
17658         * tree-vect-analyze.c: Remove unused static decls.
17659         * lambda.h (dependence_level): New.
17660         * common.opt (ftree-loop-distribution): New.
17661         * tree-flow.h (mark_virtual_ops_in_bb,
17662         slpeel_tree_duplicate_loop_to_edge_cfg,
17663         rename_variables_in_loop): Declared.
17664         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
17665         (OBJS-common): Add tree-loop-distribution.o.
17666         (tree-loop-distribution.o): New rule.
17667         * tree-cfg.c (mark_virtual_ops_in_bb): New.
17668         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
17669         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
17670
17671 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
17672
17673         PR target/33963
17674         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
17675         other than structures and unions.
17676
17677 2008-02-28  Richard Guenther  <rguenther@suse.de>
17678
17679         Revert:
17680         2008-02-26  Richard Guenther  <rguenther@suse.de>
17681
17682         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17683         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17684         (lookup_decl_from_uid): Declare.
17685         (remove_decl_from_map): Likewise.
17686         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17687         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17688         (decl_for_uid_map): New global hashtable mapping DECL_UID
17689         to the decl tree.
17690         (init_ttree): Allocate it.
17691         (insert_decl_to_uid_decl_map): New helper function.
17692         (make_node_stat): Insert new decls into the map.
17693         (copy_node_stat): Likewise.
17694         (lookup_decl_from_uid): New function.
17695         (remove_decl_from_map): Likewise.
17696         (print_decl_for_uid_map_statistics): New helper.
17697         (dump_tree_statistics): Call it.
17698
17699         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17700         (referenced_var_iterator): Adjust.
17701         (FOR_EACH_REFERENCED_VAR): Adjust.
17702         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17703         (num_referenced_vars): Adjust.
17704         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17705         (first_referenced_var): Remove.
17706         (end_referenced_vars_p): Likewise.
17707         (next_referenced_var): Likewise.
17708         (referenced_var_iterator_set): New helper function.
17709         * tree-dfa.c (referenced_var_lookup): Adjust.
17710         (referenced_var_check_and_insert): Likewise.
17711         (remove_referenced_var): Likewise.
17712         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17713         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17714         (verify_call_clobbering): Likewise.
17715         (verify_memory_partitions): Likewise.
17716         (init_tree_ssa): Allocate bitmap instead of hashtable for
17717         referenced_vars.
17718         (delete_tree_ssa): Adjust.
17719         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17720         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17721         (compute_tag_properties): Likewise.
17722         (set_initial_properties): Likewise.
17723         (find_partition_for): Likewise.
17724         (update_reference_counts): Likewise.
17725         (dump_may_aliases_for): Likewise.
17726         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17727         (add_call_clobber_ops): Likewise.
17728         (add_call_read_ops): Likewise.
17729         (get_asm_expr_operands): Likewise.
17730         * tree-into-ssa.c (dump_decl_set): Likewise.
17731         (update_ssa): Likewise.
17732         * tree-sra.c (scan_function): Likewise.
17733         (decide_instantiations): Likewise.
17734         (scalarize_parms): Likewise.
17735         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17736         (dsa_named_for): Likewise.
17737         * tree-ssa-structalias.c (update_alias_info): Likewise.
17738         (merge_smts_into): Likewise.
17739
17740 2008-02-27  David Daney  <ddaney@avtrex.com>
17741
17742         PR target/34409
17743         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
17744         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
17745         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
17746         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
17747         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
17748
17749 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
17750
17751         PR target/25477
17752         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
17753         (BUILT_IN_NEXTTOWARD): Remove.
17754         (BUILT_IN_NEXTTOWARDF): Ditto.
17755         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
17756         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
17757
17758 2008-02-27  Tom Tromey  <tromey@redhat.com>
17759
17760         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
17761         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
17762
17763 2008-02-27  Jan Beulich  <jbeulich@novell.com>
17764
17765         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
17766         update the respective field on newdecl.
17767
17768 2008-02-27  Revital Eres  <eres@il.ibm.com>
17769
17770         PR rtl-optimization/34999
17771         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
17772         crossing edges that ends with a call insn.
17773         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
17774         call insn and clear the EDGE_CROSSING flag of the crossing edge
17775         when fixing fallthru edges.
17776
17777 2008-02-27  Richard Guenther  <rguenther@suse.de>
17778
17779         PR middle-end/35390
17780         * fold-const.c (fold_unary): Return the correct argument,
17781         converted to the result type.
17782
17783 2008-02-27  Richard Guenther  <rguenther@suse.de>
17784
17785         PR middle-end/34971
17786         * expr.c (expand_expr_real_1): Assert on rotates that operate
17787         on partial modes.
17788         * fold-const.c (fold_binary): Use the types precision, not the
17789         bitsize of the mode if folding rotate expressions.  Build rotates
17790         only for full modes.
17791
17792 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
17793
17794         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
17795         and CPP_PRAGMA_EOL.
17796         * c-pragma.c (pragma_ns_name): New typedef.
17797         (registered_pp_pragmas): New variable.
17798         (c_pp_lookup_pragma): New function.
17799         (c_register_pragma_1): If flag_preprocess_only, do nothing
17800         for non-expanded pragmas, for expanded ones push pragma's
17801         namespace and name into registered_pp_pragmas vector.
17802         (c_invoke_pragma_handler): Register OpenMP pragmas even when
17803         flag_preprocess_only, don't register GCC pch_preprocess
17804         pragma if flag_preprocess_only.
17805         * c-opts.c (c_common_init): Call init_pragma even if
17806         flag_preprocess_only.
17807         * c-pragma.c (c_pp_lookup_pragma): New prototype.
17808         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
17809         cpp_register_pragma if flag_preprocess_only.
17810
17811 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17812
17813         PR c/28800
17814         * c-parser.c (c_parser_translation_unit): Warn for empty
17815         translation unit, not empty source file.
17816
17817 2008-02-26  Paul Brook  <paul@codesourcery.com>
17818
17819         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
17820         operand for Thumb-2.
17821         * config/arm/arm.h (reg_class): Add CORE_REGS.
17822         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
17823         (BASE_REG_CLASS): Use CORE_REGS.
17824         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
17825         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
17826         (REGNO_OK_FOR_INDEX_P): Exclude SP.
17827         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
17828         ARM_REGNO_OK_FOR_INDEX_P.
17829         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
17830         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
17831         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
17832         (ldm/stm peepholes): Ditto.
17833         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
17834         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
17835         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
17836         * config/arm/constraints.md: Enable "k" constraint on ARM.
17837
17838 2008-02-27  Ben Elliston  <bje@au.ibm.com>
17839
17840         * config/rs6000/rs6000.c: Annotate cache line size field in all
17841         instances of struct processor_costs.
17842
17843 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
17844
17845         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
17846         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
17847         jump_bypass): New counters.
17848         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
17849         * dce.c (gate_ud_dce): Same.
17850         (gate_fast_dce): Same.
17851         * dse.c (gate_dse1): New function.
17852         (gate_dse2): New function.
17853         (gate_dse): Merge results of new gate functions.
17854         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
17855         (gate_handle_jump_bypass): Add dbg_cnt.
17856         (gate_handle_gcse): Add dbg_cnt.
17857         * ifcvt.c (gate_handle_if_conversion): Same.
17858         (gate_handle_if_after_combine): Same.
17859         (gate_handle_if_after_reload): Same.
17860         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
17861
17862 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
17863
17864         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
17865         line sizes.
17866         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
17867
17868 2008-02-26  Jason Merrill  <jason@redhat.com>
17869
17870         PR c++/35315
17871         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
17872         alone if it's the naming decl for the type's main variant.
17873
17874 2008-02-26  Tom Tromey  <tromey@redhat.com>
17875
17876         * system.h (USE_MAPPED_LOCATION): Poison.
17877         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
17878         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
17879         (make_goto_expr_edges): Likewise.
17880         (remove_bb): Likewise.
17881         (execute_warn_function_return): Likewise.
17882         * basic-block.h (struct edge_def) <goto_locus>: Change type to
17883         location_t.
17884         * c-common.c (fname_decl): Remove old location code.
17885         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
17886         location code.
17887         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
17888         variant.
17889         (ASM_INPUT_SOURCE_LOCATION): Likewise.
17890         (gen_rtx_ASM_INPUT): Likewise.
17891         (gen_rtx_ASM_INPUT_loc): Likewise.
17892         (get_rtx_asm_OPERANDS): Remove.
17893         * cfglayout.c (insn_locators_alloc): Remove old location code.
17894         (set_curr_insn_source_location): Likewise.
17895         (curr_insn_locator): Likewise.
17896         * print-tree.c (print_node): Remove old location code.
17897         * tree-mudflap.c (mf_varname_tree): Remove old location code.
17898         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
17899         * cfgexpand.c (expand_gimple_cond_expr): Don't use
17900         location_from_locus.
17901         (construct_exit_block): Remove old location code.
17902         * emit-rtl.c (force_next_line_note): Remove old location code.
17903         * profile.c (branch_prob): Remove old location code.
17904         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
17905         LOC_LINE): Remove old-location variants.
17906         * langhooks.c (lhd_print_error_function): Remove old location
17907         code.
17908         * configure, config.in: Rebuilt.
17909         * configure.ac (--enable-mapped-location): Remove.
17910         * c-decl.c (c_init_decl_processing): Remove old location code.
17911         (finish_function): Likewise.
17912         * recog.c (decode_asm_operands): Remove old location code.
17913         * c-pch.c (c_common_read_pch): Remove old location code.
17914         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
17915         variants.
17916         * gimple-low.c (lower_function_body): Remove old location code.
17917         * toplev.c (unknown_location): Remove.
17918         (push_srcloc): Remove old-location variant.
17919         (process_options): Remove old location code.
17920         (lang_dependent_init): Likewise.
17921         * input.h (UNKNOWN_LOCATION): Move definition.
17922         (location_t): Undeprecate.
17923         (source_locus): Remove.
17924         (location_from_locus): Remove.
17925         (struct location_s): Remove.
17926         Remove all old-location code.
17927         (input_line, input_filename): Remove.
17928         * final.c (final_scan_insn): Remove old location code.
17929         * diagnostic.c (diagnostic_build_prefix): Remove
17930         USE_MAPPED_LOCATION test.
17931         * tree.h (gimple_stmt) <locus>: Now a location_t.
17932         (tree_exp) <locus>: Likewise.
17933         (DECL_IS_BUILTIN): Remove old-location variant.
17934         (annotate_with_file_line, annotate_with_locus): Likewise.
17935         (expr_locus, set_expr_locus): Update.
17936         * tree.c (build1_stat): Remove old location code.
17937         (last_annotated_node): Remove.
17938         (annotate_with_file_line): Remove old-location variant.
17939         (annotate_with_locus): Likewise.
17940         (expr_location): Remove old location code.
17941         (set_expr_location): Likewise.
17942         (expr_has_location): Likewise.
17943         (expr_locus): Likewise.
17944         (set_expr_locus): Likewise.
17945         (expr_filename): Don't use location_from_locus.
17946         (expr_lineno): Likewise.
17947         * rtl-error.c (location_for_asm): Remove old location code.
17948         * c-lex.c (cb_line_change): Remove old location code.
17949         (fe_file_change): Likewise.
17950         (cb_def_pragma): Likewise.
17951         (c_lex_with_flags): Likewise.
17952         * gengtype.c (do_typedef): Don't special-case location types.
17953         (define_location_structures): Remove.
17954         (main): Don't call define_location_structures.
17955         * tree-pretty-print.c (dump_implicit_edges): Remove old location
17956         code.
17957
17958 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17959
17960         PR 26264
17961         * builtins.def (BUILT_IN_STDARG_START): Remove.
17962         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
17963         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
17964         * tree-inline.c (inline_forbidden_p_1): Likewise.
17965
17966 2008-02-26  Richard Guenther  <rguenther@suse.de>
17967
17968         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17969         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17970         (lookup_decl_from_uid): Declare.
17971         (remove_decl_from_map): Likewise.
17972         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17973         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17974         (decl_for_uid_map): New global hashtable mapping DECL_UID
17975         to the decl tree.
17976         (init_ttree): Allocate it.
17977         (insert_decl_to_uid_decl_map): New helper function.
17978         (make_node_stat): Insert new decls into the map.
17979         (copy_node_stat): Likewise.
17980         (lookup_decl_from_uid): New function.
17981         (remove_decl_from_map): Likewise.
17982         (print_decl_for_uid_map_statistics): New helper.
17983         (dump_tree_statistics): Call it.
17984
17985         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17986         (referenced_var_iterator): Adjust.
17987         (FOR_EACH_REFERENCED_VAR): Adjust.
17988         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17989         (num_referenced_vars): Adjust.
17990         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17991         (first_referenced_var): Remove.
17992         (end_referenced_vars_p): Likewise.
17993         (next_referenced_var): Likewise.
17994         (referenced_var_iterator_set): New helper function.
17995         * tree-dfa.c (referenced_var_lookup): Adjust.
17996         (referenced_var_check_and_insert): Likewise.
17997         (remove_referenced_var): Likewise.
17998         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17999         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18000         (verify_call_clobbering): Likewise.
18001         (verify_memory_partitions): Likewise.
18002         (init_tree_ssa): Allocate bitmap instead of hashtable for
18003         referenced_vars.
18004         (delete_tree_ssa): Adjust.
18005         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18006         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18007         (compute_tag_properties): Likewise.
18008         (set_initial_properties): Likewise.
18009         (find_partition_for): Likewise.
18010         (update_reference_counts): Likewise.
18011         (dump_may_aliases_for): Likewise.
18012         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18013         (add_call_clobber_ops): Likewise.
18014         (add_call_read_ops): Likewise.
18015         (get_asm_expr_operands): Likewise.
18016         * tree-into-ssa.c (dump_decl_set): Likewise.
18017         (update_ssa): Likewise.
18018         * tree-sra.c (scan_function): Likewise.
18019         (decide_instantiations): Likewise.
18020         (scalarize_parms): Likewise.
18021         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18022         (dsa_named_for): Likewise.
18023         * tree-ssa-structalias.c (update_alias_info): Likewise.
18024         (merge_smts_into): Likewise.
18025
18026 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18027
18028         PR 34351
18029         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
18030         * c-opts.c (c_common_handle_option): Wall enables
18031         Wvolatile-register-var.
18032         * common.opt: Move Wvolatile-register-var to...
18033         * c.opt: ...here.
18034
18035 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18036
18037         * common.opt (Wlarger-than=): New.
18038         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
18039         -Wlarger-than=.
18040         * opts.c (common_handle_option): Handle -Wlarger-than=.
18041         * optc-gen.awk: Likewise.
18042         * opth-gen.awk: Likewise.
18043         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
18044         * tree-optimize.c (tree_rest_of_compilation): Likewise.
18045
18046 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18047
18048         * c-common.c (match_case_to_enum_1): Add appropriate
18049         OPT_W* parameter to warning.
18050         (c_do_switch_warnings): Likewise.
18051         * c-typeck.c (warning_init): Add one more parameter following
18052         'warning' function.
18053         (push_init_level): Update call to warning_init.
18054         (pop_init_level): Likewise.
18055         (add_pending_init): Likewise.
18056         (output_init_element: Likewise.
18057
18058 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18059
18060         PR 28322
18061         * toplev.c (toplev_main): If there are warnings or error, print
18062         errors for ignored options.
18063         * opts.c (ignored_options): New static variable.
18064         (postpone_unknown_option_error): New.
18065         (print_ignored_options): New.
18066         (handle_option): Postpone errors for unknown -Wno-* options.
18067         * opts.h (print_ignored_options): Declare.
18068
18069 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
18070
18071         * config/mips/mips.md (loadgp_blockage, blockage): Change type
18072         to "ghost".
18073
18074 2008-02-25  Richard Guenther  <rguenther@suse.de>
18075
18076         Revert:
18077         2008-02-25  Richard Guenther  <rguenther@suse.de>
18078
18079         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18080         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18081         (lookup_decl_from_uid): Declare.
18082         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18083         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18084         (decl_for_uid_map): New global hashtable mapping DECL_UID
18085         to the decl tree.
18086         (init_ttree): Allocate it.
18087         (insert_decl_to_uid_decl_map): New helper function.
18088         (make_node_stat): Insert new decls into the map.
18089         (copy_node_stat): Likewise.
18090         (lookup_decl_from_uid): New function.
18091         (print_decl_for_uid_map_statistics): New helper.
18092         (dump_tree_statistics): Call it.
18093
18094         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18095         (referenced_var_iterator): Adjust.
18096         (FOR_EACH_REFERENCED_VAR): Adjust.
18097         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18098         (num_referenced_vars): Adjust.
18099         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18100         (first_referenced_var): Remove.
18101         (end_referenced_vars_p): Likewise.
18102         (next_referenced_var): Likewise.
18103         (referenced_var_iterator_set): New helper function.
18104         * tree-dfa.c (referenced_var_lookup): Adjust.
18105         (referenced_var_check_and_insert): Likewise.
18106         (remove_referenced_var): Likewise.
18107         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18108         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18109         (verify_call_clobbering): Likewise.
18110         (verify_memory_partitions): Likewise.
18111         (init_tree_ssa): Allocate bitmap instead of hashtable for
18112         referenced_vars.
18113         (delete_tree_ssa): Adjust.
18114         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18115         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18116         (compute_tag_properties): Likewise.
18117         (set_initial_properties): Likewise.
18118         (find_partition_for): Likewise.
18119         (update_reference_counts): Likewise.
18120         (dump_may_aliases_for): Likewise.
18121         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18122         (add_call_clobber_ops): Likewise.
18123         (add_call_read_ops): Likewise.
18124         (get_asm_expr_operands): Likewise.
18125         * tree-into-ssa.c (dump_decl_set): Likewise.
18126         (update_ssa): Likewise.
18127         * tree-sra.c (scan_function): Likewise.
18128         (decide_instantiations): Likewise.
18129         (scalarize_parms): Likewise.
18130         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18131         (dsa_named_for): Likewise.
18132         * tree-ssa-structalias.c (update_alias_info): Likewise.
18133         (merge_smts_into): Likewise.
18134
18135 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
18136
18137         PR fortran/29549
18138         * doc/invoke.texi (-fcx-limited-range): Document new option.
18139         * toplev.c (process_options): Handle -fcx-fortran-rules.
18140         * common.opt: Add documentation for -fcx-fortran-rules.
18141
18142 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
18143
18144         PR c/35162
18145         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
18146         actual behaviour and C99.
18147
18148 2008-02-26  Ben Elliston  <bje@au.ibm.com>
18149
18150         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
18151         (ASM_CPU_POWER6_SPEC): Likewise.
18152         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
18153         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
18154         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
18155
18156 2008-02-25  Richard Guenther  <rguenther@suse.de>
18157
18158         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18159         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18160         (lookup_decl_from_uid): Declare.
18161         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18162         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18163         (decl_for_uid_map): New global hashtable mapping DECL_UID
18164         to the decl tree.
18165         (init_ttree): Allocate it.
18166         (insert_decl_to_uid_decl_map): New helper function.
18167         (make_node_stat): Insert new decls into the map.
18168         (copy_node_stat): Likewise.
18169         (lookup_decl_from_uid): New function.
18170         (print_decl_for_uid_map_statistics): New helper.
18171         (dump_tree_statistics): Call it.
18172
18173         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18174         (referenced_var_iterator): Adjust.
18175         (FOR_EACH_REFERENCED_VAR): Adjust.
18176         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18177         (num_referenced_vars): Adjust.
18178         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18179         (first_referenced_var): Remove.
18180         (end_referenced_vars_p): Likewise.
18181         (next_referenced_var): Likewise.
18182         (referenced_var_iterator_set): New helper function.
18183         * tree-dfa.c (referenced_var_lookup): Adjust.
18184         (referenced_var_check_and_insert): Likewise.
18185         (remove_referenced_var): Likewise.
18186         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18187         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18188         (verify_call_clobbering): Likewise.
18189         (verify_memory_partitions): Likewise.
18190         (init_tree_ssa): Allocate bitmap instead of hashtable for
18191         referenced_vars.
18192         (delete_tree_ssa): Adjust.
18193         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18194         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18195         (compute_tag_properties): Likewise.
18196         (set_initial_properties): Likewise.
18197         (find_partition_for): Likewise.
18198         (update_reference_counts): Likewise.
18199         (dump_may_aliases_for): Likewise.
18200         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18201         (add_call_clobber_ops): Likewise.
18202         (add_call_read_ops): Likewise.
18203         (get_asm_expr_operands): Likewise.
18204         * tree-into-ssa.c (dump_decl_set): Likewise.
18205         (update_ssa): Likewise.
18206         * tree-sra.c (scan_function): Likewise.
18207         (decide_instantiations): Likewise.
18208         (scalarize_parms): Likewise.
18209         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18210         (dsa_named_for): Likewise.
18211         * tree-ssa-structalias.c (update_alias_info): Likewise.
18212         (merge_smts_into): Likewise.
18213
18214 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
18215
18216         PR target/35258
18217         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
18218         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
18219         * alias.h (nonoverlapping_memrefs_p): Likewise.
18220
18221 2008-02-25  Jan Beulich  <jbeulich@novell.com>
18222
18223         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
18224         * config/i386/netware-libgcc.exp: Add __bswap?i2,
18225         __emultls_get_address, __emultls_register_common,
18226         __floatundi?f, and _Unwind_GetIPInfo.
18227         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
18228         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
18229         (gen_regparm_prefix): Likewise.
18230         (i386_nlm_encode_section_info): Sync with
18231         config/i386/winnt.c:i386_pe_encode_section_info().
18232         (i386_nlm_maybe_mangle_decl_assembler_name): New.
18233         i386_nlm_mangle_decl_assembler_name): New.
18234         (netware_override_options): New.
18235         * config/i386/netware.h (netware_override_options): Declare.
18236         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
18237         (i386_nlm_mangle_decl_assembler_name): Declare.
18238         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
18239
18240 2008-02-25  Ben Elliston  <bje@au.ibm.com>
18241
18242         PR other/32948
18243         * c-decl.c (grokdeclarator): Remove unused local variables
18244         `typedef_type' and `type_as_written'.
18245         * bb-reorder.c
18246         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
18247         unused local variable `has_hot_blocks'.
18248         (fix_crossing_conditional_branches): Remove unused local variable
18249         `prev_bb'.
18250
18251 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
18252
18253         PR middle-end/19984
18254         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
18255         using DEF_C99_BUILTIN.
18256         (BUILT_IN_NANF): Ditto.
18257         (BUILT_IN_NANL): Ditto.
18258
18259 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
18260             Revital Eres  <eres@il.ibm.com>
18261
18262         * modulo-sched.c (calculate_must_precede_follow): Address TODO
18263         regarding the order of two dependent insns in the same row.
18264
18265 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
18266
18267         * stor-layout.c (layout_decl): Do not bump the alignment of a
18268         bit-field to more than byte alignment if it is packed.
18269
18270 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
18271
18272         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
18273         e300c2 and e300c3.
18274
18275 2008-02-24  Diego Novillo  <dnovillo@google.com>
18276
18277         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
18278
18279         PR 33738
18280         * tree-vrp.c (vrp_evaluate_conditional): With
18281         -Wtype-limits, emit a warning when comparing against a
18282         constant outside the natural range of OP0's type.
18283         * c.opt (Wtype-limits): Move ...
18284         * common.opt (Wtype-limits): ... here.
18285
18286 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
18287
18288         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
18289         * config/rs6000/e300c2c3.md: New file.
18290         * config/rs6000/rs6000.c (processor_costs): Add new costs for
18291         e300c2 and e300c3.
18292         (rs6000_override_options): Add e300c2 and e300c3 cases to
18293         processor_target_table. Do not allow usage of Altivec or Spe
18294         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
18295         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
18296         * config/rs6000/rs6000.h (processor_type): Add
18297         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
18298         (ASM_CPU_SPEC): Add e300c2 and e300c3.
18299         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
18300         and ppce300c3. Include e300c2c3.md.
18301
18302 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
18303
18304         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
18305         instead of TARGET_STRICT_ALIGN.
18306
18307 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
18308
18309         * explow.c (memory_address): Assert that the generated address is
18310         valid.
18311
18312 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
18313
18314         PR target/25477
18315         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
18316         * config/darwin-ppc-ldouble-patch.def: New file.
18317         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
18318         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
18319         SUBTARGET_INIT_BUILTINS if defined.
18320         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
18321         New functions.
18322
18323 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18324
18325         PR rtl-opt/33512
18326         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
18327         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
18328
18329 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18330
18331         PR pch/35027
18332         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
18333         file" warning condtional on -Winvalid-PCH.
18334
18335 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
18336
18337         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
18338
18339 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
18340
18341         PR target/22076
18342         PR target/34256
18343         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
18344         prevent reload from using MMX registers.
18345         (*mov<mode>_internal): Ditto.
18346         (*movv2sf_internal_rex64): Ditto.
18347         (*movv2sf_internal): Ditto.
18348
18349 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18350
18351         PR documentation/31569
18352         * doc/install.texi2html: Use makeinfo --no-number-sections.
18353
18354 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18355
18356         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
18357         ensure that we can address an entire entity > 8 bytes.  Don't
18358         generate reg+reg addressing for such data.
18359
18360 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18361
18362         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
18363         strings when optimizing for size, unless the target cares about
18364         alignment.
18365
18366 2008-02-22  Tom Tromey  <tromey@redhat.com>
18367
18368         * regclass.c (current_pass): Remove declaration.
18369
18370 2008-02-22  Anatoly Sokolov <aesok@post.ru>
18371
18372         * config/avr/libgcc.S (__RAMPZ__): Define.
18373         (__do_copy_data): Add for devices with 128KB code memory.
18374
18375 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18376
18377         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
18378         Use spe_abi.
18379         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
18380
18381 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
18382
18383         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
18384         GENNONACR_REGS.
18385
18386 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18387
18388         PR c/19999
18389         * c-typeck.c (build_binary_op): Warn about floating point
18390         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
18391
18392 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
18393
18394         PR target/34526
18395         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
18396         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
18397         add vrsave.
18398         (rs6000_override_options): Set altivec_abi as default, not override,
18399         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
18400         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
18401         is used; use new member spe_abi.
18402         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
18403         spe_abi and altivec_abi.
18404
18405 2008-02-22  Tomas Bily  <tbily@suse.cz>
18406
18407         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
18408
18409 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18410
18411         PR bootstrap/35273
18412         * config.build (build_file_translate): Set to `CMD //c' only if
18413         it works.
18414         * Makefile.in (build_file_translate): Improve comment.
18415
18416 2008-02-21  Jan Hubicka  <jh@suse.cz>
18417
18418         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
18419         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
18420         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
18421
18422 2008-02-21  Michael Matz  <matz@suse.de>
18423
18424         PR target/35264
18425         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
18426
18427 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
18428
18429         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
18430         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
18431         as insn constraint.
18432         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
18433         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
18434         SSE_VEC_FLOAT_MODE_P as insn constraint.
18435         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
18436         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
18437         sse4a_movntdf using MODEF mode iterator.
18438         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
18439         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
18440         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
18441         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
18442         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
18443         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
18444         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
18445
18446 2008-02-21  Richard Guenther  <rguenther@suse.de>
18447
18448         * tree.def (PAREN_EXPR): New tree code.
18449         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
18450         and PAREN_EXPR.
18451         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
18452         * expr.c (expand_expr_real_1): Likewise.
18453         * tree-inline.c (estimate_num_insns_1): Likewise.
18454         * tree-complex.c (expand_complex_move): Likewise.
18455         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
18456         as plain x.
18457
18458 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18459
18460         PR target/35225
18461         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
18462
18463 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18464
18465         PR target/35190
18466         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
18467
18468         * config/sh/sh.c (find_barrier): Don't go past
18469         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
18470
18471 2008-02-20  DJ Delorie  <dj@redhat.com>
18472
18473         * config/h8300/h8300.md (insv): Force source operand to be a register.
18474
18475         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
18476         as a jump, not as a plain insn.
18477
18478 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
18479
18480         * doc/invoke.texi (Warning Options): Add new option
18481         -Wframe-larger-than=.
18482         (-Wframe-larger-than): Document.
18483
18484         * flags.h (warn_frame_larger_than, frame_larger_than_size):
18485         Add declarations for new option variables.
18486
18487         * final.c (final_start_function): Check the frame size
18488         before emission and issue a Wframe-larger-than warning.
18489
18490         * opts.c (warn_frame_larger_than, frame_larger_than_size):
18491         Add definitions for new option variables.
18492         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
18493
18494         * common.opt (Wframe-larger-than=): New option.
18495
18496 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18497
18498         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
18499         (<sse>_div<mode>3): Ditto.
18500         (<sse>_vmdiv<mode>3): Ditto.
18501         (<sse>_vmsqrt<mode>2): Ditto.
18502         (*smax<mode>3): Ditto.
18503         (sse5_frcz<mode>2): Ditto.
18504         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
18505         as insn constraint.
18506
18507 2008-02-20  Richard Guenther  <rguenther@suse.de>
18508
18509         PR middle-end/35265
18510         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
18511         be happy with INTEGRAL_TYPE_P.
18512
18513 2008-02-20  Richard Guenther  <rguenther@suse.de>
18514
18515         * fold-const.c (split_tree): Associate floatig-point expressions
18516         if flag_associative_math is set.
18517
18518 2008-02-20  Richard Guenther  <rguenther@suse.de>
18519
18520         * tree.h (fold_real_zero_addition_p): Declare.
18521         * fold-const.c (fold_real_zero_addition_p): Export.
18522         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
18523         floating-point operations with zero and one.
18524
18525 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
18526
18527         * doc/install.texi: Correct references to CFLAGS, replacing them
18528         with BOOT_CFLAGS.  Document flags used during bootstrap for
18529         target libraries.
18530
18531 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18532
18533         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
18534         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
18535         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
18536         insn constraint.
18537         (smin<mode>3): Ditto from similar patterns.
18538         (smax<mode>3): Ditto.
18539         (*ieee_smin<mode>3): Ditto.
18540         (*ieee_smax<mode>3): Ditto.
18541         * config/i386/sse.md (sse): New mode attribute.
18542         (mov<mode>): Macroize expander from movv4sf and movv2df using
18543         SSEMODEF2P mode iterator.
18544         (<sse>_movnt<mode>): Ditto from similar patterns. Use
18545         SSE_VEC_FLOAT_MODE_P as insn constraint.
18546         (storent<mode>): Ditto.
18547         (storent<mode>): Macroize expander from storentsf and storentdf using
18548         MODEF mode iterator.
18549         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
18550         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
18551         (abs<mode>2): Ditto from similar patterns.
18552         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
18553         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
18554         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
18555         (<sse>_vmsqrt<mode>2): Ditto.
18556         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
18557         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
18558         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
18559         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
18560         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
18561         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
18562         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
18563         insn constraint.
18564         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
18565         iterator and SSE_FLOAT_MODE_P as insn constraint.
18566         (<sse>_ucomi): Ditto from similar patterns.
18567         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
18568         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
18569         SSE_VEC_FLOAT_MODE_P as insn constraint.
18570         (vcond<mode>): Ditto from similar patterns.
18571         (and<mode>3, *and<mode>3): Ditto.
18572         (<sse>_nand<mode>3): Ditto.
18573         (ior<mode>3, *ior<mode>3): Ditto.
18574         (xor<mode>3, *xor<mode>3): Ditto.
18575         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
18576         iterator and SSE_FLOAT_MODE_P as insn constraint.
18577         (*nand<mode>3): Ditto from similar patterns.
18578         (*ior<mode>3): Ditto.
18579         (*xor<mode>3): Ditto.
18580
18581 2008-02-20  Ira Rosen  <irar@il.ibm.com>
18582
18583         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
18584         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
18585         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
18586
18587 2008-02-19  Jan Hubicka  <jh@suse.cz>
18588
18589         * predict.c (tree_bb_level_predictions): Remove variable next
18590         mistakely introduced by previous commit.
18591
18592 2008-02-19  Jan Hubicka  <jh@suse.cz>
18593
18594         * predict.c (predict_paths_leading_to): Rewrite.
18595         (predict_paths_for_bb): New.
18596         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
18597
18598 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18599
18600         PR bootstrap/35218
18601         * Makefile.in (build_file_translate): New.
18602         (gcc-vers.texi): Use it for translating $(abs_srcdir).
18603         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
18604         * configure.ac (build_file_translate): Substitute it.
18605         * configure: Regenerate.
18606
18607 2008-02-19  Jan Hubicka  <jh@suse.cz>
18608
18609         PR rtl-optimization/34408
18610         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
18611         invalid sharing.
18612
18613 2008-02-19  Jan Hubicka  <jh@suse.cz>
18614
18615         PR middle-end/28779
18616         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
18617         call_expr.
18618
18619 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
18620
18621         PR Ada/35186
18622         * config/i386/i386-modes.def: Revert the last DI alignment
18623         change until Ada people can look into it.
18624
18625 2008-02-19  Nick Clifton  <nickc@redhat.com>
18626
18627         * opts.c (print_specific_help): Fix typo in --help text.
18628
18629 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
18630
18631         PR target/35239
18632         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
18633         32-bit inline asm without asm alternatives for host GCC < 3.0.
18634
18635 2008-02-19  Richard Guenther  <rguenther@suse.de>
18636
18637         PR tree-optimization/34989
18638         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
18639         Allow propagation to INDIRECT_REF if we can simplify only.
18640
18641 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18642
18643         * c-common.c (warn_for_collisions_1): Use appropriate option when
18644         warning.
18645
18646 2008-02-19  Nick Clifton  <nickc@redhat.com>
18647
18648         PR other/31349
18649         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
18650         (handle_options): Fix indentation.
18651         (print_filtered_help): If no language-specific options were
18652         displayed tell the user how to list all the options supported by
18653         the language's front-end.
18654         (print_specific_help): Fix indentation and remove duplicate line.
18655         (common_handle_option): Handle the -v option.
18656         For --help enable the display of undocumented options if the -v
18657         switch has been included on the command line.
18658         For --help= check for overlaps in the arguments between the option
18659         classes and the language names and issue a warning when they
18660         cannot be disambiguated.
18661         * c.opt (v): Pass on to the common option handler.
18662
18663 2008-02-19  Revital Eres  <eres@il.ibm.com>
18664
18665         * modulo-sched.c (sms_schedule): Change dump message when
18666         create_ddg function fails.
18667         (try_scheduling_node_in_cycle): Rename row to cycle.
18668         (print_partial_schedule): Rename CYCLE to ROW.
18669
18670 2008-02-19  Christian Bruel  <christian.bruel@st.com>
18671             Zdenek Dvorak  <ook@ucw.cz>
18672
18673         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
18674
18675 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18676
18677         PR target/33555
18678         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
18679         (*x86_movdicc_0_m1_se): Ditto.
18680
18681 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18682
18683         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
18684         (CMPtype): Define as __gcc_CMPtype.
18685         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
18686         (CMPtype): Define as __gcc_CMPtype.
18687
18688 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
18689
18690         Support valgrind 3.3 for --enable-checking=valgrind.
18691         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
18692         here.
18693         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
18694         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
18695         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
18696         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
18697         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
18698         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
18699         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
18700         respectively.
18701         * ggc-zone.c: Similar.
18702         * ggc-page.c: Similar.
18703
18704 2008-02-19  Paul Brook  <paul@codesourcery.com>
18705
18706         PR target/35071
18707         * config/arm/ieee754-df.S: Fix do_it typo.
18708         * config/arm/ieee754-sf.S: Fix do_it typo.
18709
18710 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18711
18712         PR target/35189
18713         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
18714         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
18715         (OPTION_MASK_ISA_SSE_SET): Likewise.
18716         (OPTION_MASK_ISA_SSE2_SET): Likewise.
18717         (OPTION_MASK_ISA_SSE3_SET): Likewise.
18718         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
18719         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
18720         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
18721         (OPTION_MASK_ISA_SSE4_SET): Likewise.
18722         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
18723         (OPTION_MASK_ISA_SSE5_SET): Likewise.
18724         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
18725         (OPTION_MASK_ISA_MMX_UNSET): Updated.
18726         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
18727         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
18728         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
18729         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
18730         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
18731         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
18732         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
18733         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
18734         (OPTION_MASK_ISA_SSE4): Removed.
18735         (ix86_handle_option): Turn on bits in ix86_isa_flags and
18736         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
18737         (override_options): Don't turn on implied SSE/MMX bits in
18738         ix86_isa_flags.
18739
18740 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18741
18742         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
18743         32bit host.
18744
18745 2008-02-18  Joey Ye  <joey.ye@intel.com>
18746
18747         PR middle-end/34921
18748         * tree-nested.c (insert_field_into_struct): Set type alignment
18749         to field alignment if the former is less than the latter.
18750
18751 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
18752
18753         * BASE-VER: Set to 4.4.0.
18754
18755 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18756
18757         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
18758         * doc/cfg.texi: Likewise.
18759         * doc/extend.texi: Likewise.
18760         * doc/gty.texi: Likewise.
18761         * doc/invoke.texi: Likewise.
18762         * doc/loop.texi: Likewise.
18763         * doc/md.texi: Likewise.
18764         * doc/passes.texi: Likewise.
18765         * doc/rtl.texi: Likewise.
18766         * doc/sourcebuild.texi: Likewise.
18767         * doc/tm.texi: Likewise.
18768         * doc/tree-ssa.texi: Likewise.
18769
18770 2008-02-17  Richard Guenther  <rguenther@suse.de>
18771
18772         PR middle-end/35227
18773         * tree-complex.c (init_parameter_lattice_values): Handle parameters
18774         without default definition.
18775
18776 2008-02-17  Richard Guenther  <rguenther@suse.de>
18777
18778         PR tree-optimization/35231
18779         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
18780         if A | B != 1.
18781
18782 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
18783
18784         Revert:
18785         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18786         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
18787         libgcc_cmp_return mode.
18788
18789 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18790
18791         PR c/28368
18792         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
18793
18794 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
18795
18796         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
18797         multilibs.
18798
18799 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18800
18801         * doc/c-tree.texi: Use `@.' where appropriate.
18802         * doc/extend.texi: Likewise.
18803         * doc/install.texi: Likewise.
18804         * doc/invoke.texi: Likewise.
18805         * doc/loop.texi: Likewise.
18806         * doc/makefile.texi: Likewise.
18807         * doc/md.texi: Likewise.
18808         * doc/passes.texi: Likewise.
18809         * doc/standards.texi: Likewise.
18810         * doc/tm.texi: Likewise.
18811
18812 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
18813
18814         PR middle-end/35196
18815         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
18816         in entry_bb.
18817         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
18818         rather than in entry_bb.
18819
18820 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18821
18822         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
18823         libgcc_cmp_return mode.
18824
18825 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
18826
18827         PR middle-end/35130
18828         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
18829         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
18830
18831 2008-02-15  Richard Guenther  <rguenther@suse.de>
18832             Zdenek Dvorak  <ook@ucw.cz>
18833
18834         PR tree-optimization/35164
18835         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
18836         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
18837         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
18838         Only propagate addresses which do not have abnormal SSA_NAMEs
18839         in their operands.
18840
18841 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
18842
18843         PR target/35088
18844         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
18845
18846 2008-02-15  Jan Hubicka  <jh@suse.cz>
18847
18848         PR middle-end/35149
18849         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
18850
18851 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18852
18853         PR middle-end/34621
18854         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
18855         when calculating alignment_pad.
18856
18857 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18858
18859         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
18860         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
18861         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
18862         and STACK_BOUNDARY define.
18863
18864 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
18865
18866         PR preprocessor/35061
18867         * c-pragma.c (handle_pragma_pop_macro): Check that
18868         pushed_macro_table has been allocated.
18869
18870 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
18871
18872         PR middle-end/35136
18873         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
18874         (force_gimple_operand): Likewise.
18875         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
18876         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
18877         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
18878         (find_interesting_uses_address): Check addressability and alignment
18879         of the base expression only after substituting bases of IVs into it.
18880
18881 2008-02-14  Michael Matz  <matz@suse.de>
18882
18883         PR target/34930
18884         * function.c (instantiate_virtual_regs_in_insn): Reload address
18885         before falling back to reloading the whole operand.
18886
18887 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
18888
18889         * config/s390/s390.c (s390_mainpool_start): Emit the pool
18890         before the first section switch note.
18891
18892 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18893
18894         * doc/bugreport.texi: Update copyright years.
18895         * doc/c-tree.texi: Likewise.
18896         * doc/cfg.texi: Likewise.
18897         * doc/cpp.texi: Likewise.
18898         * doc/cppinternals.texi: Likewise.
18899         * doc/fragments.texi: Likewise.
18900         * doc/frontends.texi: Likewise.
18901         * doc/gcc.texi: Likewise.
18902         * doc/gty.texi: Likewise.
18903         * doc/hostconfig.texi: Likewise.
18904         * doc/implement-c.texi: Likewise.
18905         * doc/libgcc.texi: Likewise.
18906         * doc/loop.texi: Likewise.
18907         * doc/makefile.texi: Likewise.
18908         * doc/options.texi: Likewise.
18909         * doc/passes.texi: Likewise.
18910         * doc/rtl.texi: Likewise.
18911         * doc/sourcebuild.texi: Likewise.
18912         * doc/standards.texi: Likewise.
18913         * doc/tree-ssa.texi: Likewise.
18914         * doc/trouble.texi: Likewise.
18915
18916         * doc/extend.texi: Use @: or add comma where appropriate.
18917         * doc/invoke.texi: Likewise.
18918         * doc/tm.texi: Likewise.
18919
18920 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
18921
18922         PR target/34393
18923         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
18924         to a reg.
18925
18926 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
18927
18928         * doc/md.texi (clz, ctz): Add reference.
18929         * doc/rtl.texi (clz, ctz): Likewise.
18930
18931 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18932
18933         PR other/35148
18934         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
18935         srcdir.
18936
18937 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
18938
18939         * config/s390/s390.c (struct constant_pool): New field
18940         emit_pool_after added.
18941         (s390_mainpool_start): Set the emit_pool_after flag according
18942         to the section switch notes.
18943         (s390_mainpool_finish): Consider emit_pool_after when emitting
18944         the literal pool at the end of the function.
18945         (s390_chunkify_start): Force literal pool splits at section
18946         switch notes.
18947
18948 2008-02-13  Michael Matz  <matz@suse.de>
18949
18950         PR debug/35065
18951         * var-tracking.c (clobber_variable_part): Correctly traverse the
18952         list.
18953
18954 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18955
18956         PR 29673
18957         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
18958         Add -fdump-ipa-inline.
18959         * tree-dump.c (dump_files): Remove tree-inlined dump.
18960         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
18961
18962 2008-02-12  Richard Guenther  <rguenther@suse.de>
18963
18964         PR tree-optimization/35171
18965         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
18966         default defs.
18967
18968 2008-02-12  Richard Guenther  <rguenther@suse.de>
18969
18970         PR middle-end/35163
18971         * fold-const.c (fold_widened_comparison): Use get_unwidened in
18972         value-preserving mode.  Disallow final truncation.
18973
18974 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
18975
18976         PR middle-end/35136
18977         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
18978         code from here to...
18979         (force_gimple_operand): ...here.
18980
18981 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
18982
18983         PR c++/35144
18984         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
18985         non-compatible pointers.
18986         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
18987         different FIELD_DECLs, try harder by comparing field offsets, sizes
18988         and types.
18989
18990         PR inline-asm/35160
18991         * function.c (match_asm_constraints_1): Don't replace the same input
18992         multiple times.
18993
18994 2008-02-12  Anatoly Sokolov <aesok@post.ru>
18995
18996         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
18997         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
18998         (expand_epilogue): Restore RAMPZ register.
18999         * config/avr/avr.md (RAMPZ_ADDR): New constant.
19000
19001 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
19002
19003         * config/i386/cygwin.asm: (__alloca): Correct calling
19004         convention and alignment.
19005         (__chkstk): Force 8 byte stack alignment.
19006
19007 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
19008             Richard Guenther  <rguenther@suse.de>
19009
19010         PR tree-optimization/33992
19011         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
19012         the zero we compare against.
19013
19014 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
19015
19016         PR libfortran/35063
19017         * gthr-win32.h (__gthread_mutex_destroy_function): New function
19018         to CloseHandle after unlocking to prevent accumulation of handle
19019         count.
19020
19021 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19022
19023         PR middle_end/34150
19024         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
19025         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
19026         and update LABEL_NUSES during and after reload.
19027
19028 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
19029
19030         PR middle-end/34627
19031         * combine.c (simplify_if_then_else): Make sure the comparison is
19032         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
19033
19034 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
19035
19036         PR bootstrap/35051
19037         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
19038         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
19039         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
19040         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
19041         * tree.h (get_type_static_bounds): Likewise.
19042
19043 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19044
19045         * doc/invoke.texi (Option Summary, C++ Dialect Options)
19046         (Objective-C and Objective-C++ Dialect Options, Warning Options):
19047         Make -Wfoo language annotations match what the compiler outputs.
19048
19049 2008-02-08  Sa Liu  <saliu@de.ibm.com>
19050
19051         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
19052         intrinsics spu_convts, spu_convtu, spu_convtf.
19053
19054 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
19055
19056         * doc/extend.texi (Function Attributes) <noinline>: Mention
19057         asm ("") as method to keep calls.
19058
19059 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19060
19061         PR other/32754
19062         * doc/options.texi (Options): Replace references to opts.sh with
19063         optc-gen.awk.
19064         * opts-common.c: Likewise.
19065         * optc-gen.awk: Likewise.
19066
19067 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
19068
19069         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
19070
19071 2008-02-07  Richard Henderson  <rth@redhat.com>
19072
19073         PR rtl-opt/33410
19074         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
19075         EXPR_LIST for the REG_EQUAL instead of a comparison with a
19076         funny mode.
19077
19078 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
19079
19080         PR tree-optimization/35085
19081         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
19082         for operand entry oe2 in addition to operand entry oe3 in order to
19083         expose more opportunities for vectorizer sum reduction.
19084
19085 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19086
19087         PR other/35107
19088         * Makefile.in (LIBS): Remove $(GMPLIBS).
19089         (cc1-dummy, cc1): Add $(GMPLIBS).
19090
19091 2008-02-06  Jan Hubicka  <jh@suse.cz>
19092
19093         PR target/23322
19094         * i386.md (moddf_integer): Do not produce partial memory stalls for
19095         targets where it hurts.
19096
19097 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
19098
19099         PR target/35083
19100         * optabs.c (expand_float): Do not check for decimal modes when
19101         expanding unsigned integer through signed conversion.
19102
19103 2008-02-06  Nick Clifton  <nickc@redhat.com>
19104
19105         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
19106         inside the clobber with a match_operand and duplicated operand
19107         number in the constraint.
19108         (ineqbranchsi): Delete redundant comment.
19109
19110 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
19111
19112         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
19113         builtin_define ("__USE_INIT_FINI__").
19114         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
19115         -msx multilibs.
19116         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
19117
19118 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19119
19120         PR documentation/30330
19121         * doc/invoke.texi (C++ Dialect Options)
19122         (Objective-C and Objective-C++ Dialect Options, Warning Options):
19123         For each warning option -Wfoo that allows -Wno-foo, ensure both
19124         -Wfoo and -Wno-foo are listed in the option index.  Fix index
19125         entry of -Wswitch-default, index -Wnormalized= including the
19126         `=', and -Wlarger-than-@var{len} including @var{len}.
19127
19128 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
19129
19130         * config/i386/i386.md (floatunssisf2): Use
19131         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
19132         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
19133         Macroize expander using MODEF mode iterator.
19134
19135 2008-02-05  Diego Novillo  <dnovillo@google.com>
19136
19137         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
19138
19139         PR 33738
19140         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
19141
19142 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19143
19144         PR other/35070
19145         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
19146
19147 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
19148
19149         PR target/35084
19150         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
19151         to indicate if a message should be generated.
19152         (init_cumulative_args): Updated.
19153         (function_value_32): Likewise.
19154
19155 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
19156
19157         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
19158
19159 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
19160
19161         PR target/35083
19162         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
19163         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
19164
19165 2008-02-04  Diego Novillo  <dnovillo@google.com>
19166
19167         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
19168
19169         PR 33738
19170         * tree-vrp.c (vrp_evaluate_conditional): With
19171         -Wtype-limits, emit a warning when comparing against a
19172         constant outside the natural range of OP0's type.
19173
19174 2008-02-04  Richard Guenther  <rguenther@suse.de>
19175
19176         PR middle-end/33631
19177         * expr.c (count_type_elements): Give for unions instead of
19178         guessing.
19179
19180 2008-02-04  Richard Guenther  <rguenther@suse.de>
19181
19182         PR middle-end/35043
19183         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
19184         to TYPE_DOMAINs base type instead of using bitsizetype here.
19185
19186 2008-02-03  Jason Merrill  <jason@redhat.com>
19187
19188         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
19189
19190 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19191
19192         PR other/29972
19193         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
19194         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
19195         (RS/6000 and PowerPC Options): Fix typos and markup.
19196         * doc/passes.texi (Tree-SSA passes): Likewise.
19197
19198 2008-02-02  Michael Matz  <matz@suse.de>
19199
19200         PR target/35045
19201         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
19202         from record_last_reg_set_info.
19203         (record_last_reg_set_info): Take an RTX argument, iterate over all
19204         constituent hardregs.
19205         (record_last_set_info, record_opr_changes): Change calls to
19206         new signature or to record_last_reg_set_info_regno.
19207
19208 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
19209
19210         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
19211
19212 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
19213
19214         PR rtl-optimization/34773
19215         * reg-notes.def (EQUAL): Mention significance of combination of
19216         REG_EQUAL and REG_RETVAL.
19217         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
19218         insn that has a REG_RETVAL.
19219
19220 2008-02-01  Roger Sayle  <roger@eyesopen.com>
19221
19222         PR bootstrap/33781
19223         * configure.ac (--enable-fixed-point): Disable unless explicitly
19224         requested on IRIX.
19225         * configure: Regenerate.
19226
19227 2008-02-01  Richard Guenther  <rguenther@suse.de>
19228
19229         PR other/35042
19230         * invoke.texi (-finline-limit): Remove no longer true parts
19231         of the documentation.  Note that there is no default value.
19232
19233 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
19234             Mark Mitchell  <mark@codesourcery.com>
19235             Ben Elliston  <bje@au.ibm.com>
19236
19237         PR c/29326
19238         * doc/extend.texi (Other Builtins): Document.
19239
19240 2008-01-31  Tom Browder <tom.browder@gmail.com>
19241
19242         * doc/c-tree.texi (Types): Fix grammar.
19243         (Expression trees): Ditto.
19244         * doc/passes.texi (Tree-SSA passes): Ditto.
19245
19246         * doc/configterms.texi (Configure Terms): Fix typo.
19247         * doc/cpp.texi (Common Predefined Macros): Ditto.
19248         * doc/md.texi (Machine Constraints): Ditto.
19249
19250         * doc/makefile.texi (Makefile): Add comma.
19251
19252 2008-01-31  Tom Browder  <tom.browder@gmail.com>
19253             Gerald Pfeifer  <gerald@pfeifer.com>
19254
19255         * doc/sourcebuild.texi (Front End): Remove references to CVS
19256         and CVSROOT/modules.
19257         (Texinfo Manuals): Replace reference to CVS by one to SVN.
19258         (Back End): Remove reference to CVS.
19259
19260 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19261
19262         PR target/34900
19263         * config/mips/mips.c (gen_load_const_gp): New function, taking a
19264         comment from...
19265         (mips16_gp_pseudo_reg): ...here.
19266         * config/mips/mips.md (load_const_gp): Replace with...
19267         (load_const_gp_<mode>): ...this :P-based insn.
19268
19269 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19270
19271         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
19272         options. Minor fixes.
19273         (-std): Move reference to standards closer to where language
19274         standards are first mentioned.
19275
19276 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19277
19278         PR rtl-optimization/34995
19279         * reload.c (alternative_allows_const_pool_ref): Take an rtx
19280         parameter and return a bool.  If the rtx parameter is nonnull,
19281         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
19282         (find_reloads): Update call accordingly.  Pass the new operand
19283         if it needed no address reloads, otherwise pass null.
19284
19285 2008-01-30  Richard Henderson  <rth@redhat.com>
19286
19287         PR c/34993
19288         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
19289         for unbounded arrays.
19290
19291 2008-01-30  Silvius Rus  <rus@google.com>
19292
19293         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
19294
19295 2008-01-30  Jan Hubicka  <jh@suse.cz>
19296
19297         PR target/34982
19298         * i386.c (init_cumulative_args): Use real function declaration when
19299         calling locally.
19300
19301 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
19302
19303         PR rtl-optimization/34998
19304         * global.c (build_insn_chain): Treat non-subreg_lowpart
19305         SUBREGs of pseudos as clobbering all the words covered by the
19306         SUBREG, not just all the bytes.
19307         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
19308         original df_ref rather than an extract parameter.
19309         (global_conflicts): Update call accordingly.
19310
19311 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
19312
19313         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
19314         the overflow check to make it easier to read.
19315         (__fixtfdi): Change the type of the ll member in union
19316         long_double to UDItype_x.
19317
19318 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
19319
19320         PR middle-end/34969
19321         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
19322         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
19323         * tree-inline.c (fold_marked_statements): Call
19324         cgraph_update_edges_for_call_stmt if folding a call statement.
19325         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
19326         debug_generic_stmt calls, reset it back afterwards.
19327
19328         PR c/35017
19329         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
19330         static decls.
19331         * c-typeck.c (build_external_ref): Don't pedwarn about
19332         static vars in current function's scope.
19333
19334 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
19335
19336         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
19337
19338 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
19339
19340         PR c/35002
19341         * ipa-struct-reorg.c: Fix spelling.
19342         * params.def: Ditto.
19343
19344 2008-01-29  Richard Guenther  <rguenther@suse.de>
19345
19346         PR middle-end/35006
19347         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
19348         field.
19349         * tree-inline.c (remap_type): Increment remapping_type_depth
19350         around remapping types.
19351         (copy_body_r): Only add referenced variables if they are referenced
19352         from code, not types.
19353
19354 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
19355
19356         PR c++/34055
19357         PR c++/34103
19358         PR c++/34219
19359         PR c++/34606
19360         PR c++/34753
19361         PR c++/34754
19362         PR c++/34755
19363         PR c++/34919
19364         PR c++/34961
19365         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
19366         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
19367
19368 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
19369
19370         PR target/34412
19371         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
19372         pointer for tiny stack.
19373
19374 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19375
19376         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
19377
19378 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19379
19380         * config/vx-common.h: Fix typo in comment.
19381
19382 2008-01-28  Ian Lance Taylor  <iant@google.com>
19383
19384         PR c++/34862
19385         PR c++/33407
19386         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
19387         coalesce pointers if they have different DECL_NO_TBAA_P values.
19388         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
19389         between variables with different DECL_NO_TBAA_P values.
19390
19391 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
19392
19393         PR 31535
19394         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
19395         are not legitimate small data references on SPE targets.
19396
19397 2008-01-28  David Daney  <ddaney@avtrex.com>
19398
19399         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
19400
19401 2008-01-28  David Daney  <ddaney@avtrex.com>
19402
19403         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
19404
19405 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
19406
19407         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
19408         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
19409         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
19410         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
19411         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
19412         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
19413         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
19414         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
19415
19416 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19417
19418         * basic-block.h (condjump_equiv_p): Fix comment.
19419
19420 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19421
19422         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
19423         print_generic_stmt_indented): Fix comment.
19424
19425 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19426
19427         * configure.ac (__stack_chk_fail): Add detecion for availability
19428         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
19429         * configure: Regenerate.
19430
19431 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
19432
19433         PR middle-end/34688
19434         * final.c (output_addr_const): Handle TRUNCATE.
19435
19436 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
19437
19438         PR target/34711
19439         * tree-ssa-loop-ivopts.c (comp_cost): New type.
19440         (zero_cost, infinite_cost): New constants.
19441         (struct cost_pair): Change type of cost to comp_cost.
19442         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
19443         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
19444         New functions.
19445         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
19446         split_address_cost, ptr_difference_cost, difference_cost,
19447         get_computation_cost_at, get_computation_cost,
19448         determine_use_iv_cost_generic, determine_use_iv_cost_address,
19449         determine_use_iv_cost_condition, determine_use_iv_costs,
19450         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
19451         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
19452         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
19453         Change type of cost to comp_cost.
19454         (determine_iv_cost): Increase cost of non-original ivs, instead
19455         of decreasing the cost of original ones.
19456         (get_address_cost): Indicate the complexity of the addressing mode
19457         in comp_cost.
19458         (try_add_cand_for): Prefer using ivs not specific to some object.
19459         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
19460
19461 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
19462             Janis Johnson  <janis187@us.ibm.com>
19463
19464         PR target/34814
19465         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
19466         (TARGET_INSTANTIATE_DECLS): Likewise.
19467         * target.h (expand_to_rtl_hook): New target hook.
19468         (instantiate_decls): Likewise.
19469         * function.c (instantiate_decl): Make non-static.  Rename to...
19470         (instantiate_decl_rtl): ... this.
19471         (instantiate_expr): Use instantiate_decl_rtl.
19472         (instantiate_decls_1): Likewise.
19473         (instantiate_decls): Likewise.
19474         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
19475         * function.h (instantiate_decl_rtl): Add prototype.
19476         * cfgexpand.c (target.h): New include.
19477         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
19478         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
19479         (TARGET_INSTANTIATE_DECLS): Likewise.
19480         (TARGET_INITIALIZER): New target hooks added.
19481         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
19482         New prototype.
19483         * config/rs6000/rs6000.c (tree-flow.h): New include.
19484         (machine_function): Add sdmode_stack_slot field.
19485         (rs6000_alloc_sdmode_stack_slot): New function.
19486         (rs6000_instantiate_decls): Likewise.
19487         (rs6000_secondary_memory_needed_rtx): Likewise.
19488         (rs6000_check_sdmode): Likewise.
19489         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
19490         (TARGET_INSTANTIATE_DECLS): Likewise.
19491         (rs6000_hard_regno_mode_ok): Allow SDmode.
19492         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
19493         (rs6000_emit_move): Handle SDmode.
19494         (function_arg_advance): Likewise.
19495         (function_arg): Likewise.
19496         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
19497         SDmode var args for 32-bit compiles.
19498         (rs6000_secondary_reload_class): Handle SDmode.
19499         (rs6000_output_function_epilogue): Likewise.
19500         (rs6000_function_value): Simplify if statement.
19501         (rs6000_libcall_value): Likewise.
19502         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
19503         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
19504         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
19505         (movsd_hardfloat): New define_insn.
19506         (movsd_softfloat): Likewise.
19507         (movsd_store): Likewise.
19508         (movsd_load): Likewise.
19509         (extendsddd2): Likewise.
19510         (extendsdtd2): Likewise.
19511         (truncddsd2): Likewise.
19512         (movdd_hardfloat64): Fixup comment.
19513         (UNSPEC_MOVSD_LOAD): New constant.
19514         (UNSPEC_MOVSD_STORE): Likewise.
19515
19516 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
19517
19518         PR c++/34965
19519         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
19520         TRUTH_XOR_EXPR.
19521         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
19522         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
19523         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
19524         and TRUTH_XOR_EXPR.
19525
19526 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
19527
19528         PR target/34794
19529         * config.gcc: Separate AIX 5.3 from AIX 6.1.
19530         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
19531         __LONGDOUBLE128 too.
19532         * config/rs6000/aix61.h: New file.
19533
19534 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19535
19536         PR rtl-optimization/34959
19537         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
19538         popcount and parity rtxes the same mode as their operand.
19539         Truncate or extend the result to the return value's mode
19540         if necessary.
19541
19542 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19543
19544         PR target/34981
19545         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
19546         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
19547         to GOT_VERSION_REGNUM.
19548         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
19549         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
19550         * config/mips/mips.c (mips_emit_call_insn): New function.
19551         (mips_call_tls_get_addr): Call mips_expand_call directly.
19552         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
19553         emit_call_insn.
19554         (mips16_build_call_stub): Likewise.  Return the call insn or null.
19555         (mips_expand_call): Update the call to mips16_build_call_stub
19556         accordingly and a remove redundant condition.  Assert that MIPS16
19557         stubs do not use lazy binding.  Use mips_emit_call_insn and return
19558         the call insn.
19559         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
19560         TARGET_USE_GOT.
19561         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
19562         (mips_avoid_hazard): Remove hazard_set handling.
19563         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
19564         (UNSPEC_RESTORE_GP): ...this.
19565         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
19566         (FAKE_CALL_REGNO): Rename to...
19567         (GOT_VERSION_REGNUM): ...this.
19568         (type): Add "ghost" value.  Add an associated insn reservation.
19569         (hazard_set): Remove.
19570         (exception_receiver): Rename to...
19571         (restore_gp): ...this and update the unspec identifier accordingly.
19572         (exception_receiver, nonlocal_got_receiver): New expanders.
19573         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
19574         FAKE_CALL_REGNO.  Remove hazard_set attribute.
19575         (set_got_version, update_got_version): New patterns.
19576
19577 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
19578
19579         PR target/34970
19580         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
19581
19582 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19583
19584         PR other/31955
19585         * doc/install.texi2html: Generate gcc-vers.texi.
19586
19587 2008-01-25  DJ Delorie  <dj@redhat.com>
19588
19589         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
19590
19591 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19592
19593         * config/c4x: Remove directory.
19594         * config.gcc (crx-*, mt-*): Mark obsolete.
19595         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
19596         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
19597         sh-*-rtemscoff*): Remove cases.
19598         * defaults.h (C4X_FLOAT_FORMAT): Remove.
19599         * real.c (encode_c4x_single, decode_c4x_single,
19600         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
19601         c4x_extended_format): Remove.
19602         * real.h (c4x_single_format, c4x_extended_format): Remove.
19603         * doc/extend.texi (interrupt, naked): Remove mention of attributes
19604         on C4x.
19605         (Pragmas): Remove comment about c4x pragmas.
19606         * doc/install.texi (c4x): Remove target-specific instructions.
19607         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
19608         * doc/md.texi (Machine Constraints): Remove C4x documentation.
19609         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
19610         refer to C4x source files as examples.
19611         (C4X_FLOAT_FORMAT): Remove documentation.
19612
19613 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
19614
19615         * config/bfin/bfin.c (override_options): Reorder tests so that
19616         flag_pic gets enabled for -msep-data.
19617
19618 2008-01-25  Richard Guenther  <rguenther@suse.de>
19619
19620         PR middle-end/32244
19621         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
19622         to its bitfield precision if required.
19623
19624 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19625
19626         PR middle-end/33880
19627         * tree-nested.c (walk_omp_for): New function.
19628         (convert_nonlocal_reference, convert_local_reference): Call
19629         walk_omp_for on OMP_FOR.
19630         (convert_call_expr): Call walk_body on OMP_FOR's
19631         OMP_FOR_PRE_INIT_BODY.
19632
19633 2008-01-25  Richard Guenther  <rguenther@suse.de>
19634
19635         PR tree-optimization/34966
19636         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
19637         default defs and PHI_NODEs we have to insert after the
19638         defining statement.
19639
19640 2008-01-24  Nick Clifton  <nickc@redhat.com>
19641
19642         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
19643         Provide a default definition.
19644         (LIBGCC2_UNITS_PER_WORD): Likewise.
19645
19646         * config/stormy16/stormy16.c: Include df.h for the prototype
19647         for df_regs_ever_live_p.
19648         (xstormy16_expand_builtin_va_start): Convert the stack offset
19649         into a component_ref and then use POINTER_PLUS_EXPR to add it
19650         to the incoming_virtual_args_rtx.
19651         (xstormy16_gimplify_va_arg_expr): Rename to
19652         xstormy16_gimplify_va_arg_expr.
19653         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
19654         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
19655         xstormy16_gimplify_va_arg_expr.
19656         Fix up some formatting issues.
19657
19658         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
19659         Move to predicates.md.
19660         (xs_hi_general_operand): Likewise.
19661         (xs_hi_nonmemory_operand): Likewise.
19662         * config/stormy16/predicates.md:
19663         (xstormy16_carry_plus_operand): New predicate.
19664         (xs_hi_general_operand): New predicate.
19665         (xs_hi_nonmemory_operand): New predicate.
19666         * config/stormy16/stormy16-protos.h:
19667         (xstormy16_carry_plus_operand): Delete prototype.
19668         (xs_hi_general_operand): Likewise.
19669         (xs_hi_nonmemory_operand): Likewise.
19670
19671         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
19672         modifiers as they are no longer needed and they can trigger
19673         reload spill failures.
19674
19675         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
19676         with a match_operand in order to help reload.
19677
19678         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
19679         constraint with 'e' for the 8th alternative as this version of
19680         the mov.w instruction only accepts the lower 8 registers.
19681
19682 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
19683
19684         PR target/34856
19685         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
19686         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
19687         vector elements.
19688
19689 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19690
19691         PR middle-end/33333
19692         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
19693
19694 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19695
19696         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
19697         New functions.
19698         (remove_structure): Update allocations list before removing structure.
19699
19700 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19701
19702         * ipa-struct-reorg.c (is_safe_cond_expr,
19703         create_new_stmts_for_cond_expr): Use integer_zerop function,
19704         that recognize not only zero-pointer, but zero-integer too.
19705
19706 2008-01-25  Ben Elliston  <bje@au.ibm.com>
19707
19708         PR other/22232
19709         * fixproto: Escape "." in sed expression that strips leading "./".
19710
19711 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
19712
19713         PR driver/34904
19714         * gcc.c (SWITCH_OK): Removed.
19715         (SWITCH_LIVE): Changed to bit.
19716         (SWITCH_FALSE): Likewise.
19717         (SWITCH_IGNORE): Likewise.
19718         (switchstr): Change live_cond to unsigned int.
19719         (process_command): Replace SWITCH_OK with 0.
19720         (do_self_spec): Likewise.
19721         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
19722         (give_switch): Likewise.
19723         (used_arg): Likewise.
19724         (do_spec_1): Set the SWITCH_IGNORE bit.
19725         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
19726         bits.  Set the SWITCH_LIVE bit.
19727
19728 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
19729
19730         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
19731
19732 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
19733
19734         PR tree-optimization/34472
19735         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
19736         parameter to a "bool *" and set *DATA to false if there is
19737         an unsafe access.  Do not delete the structure here.
19738         (check_cond_exprs): Delete it here instead.
19739         (check_cond_exprs, exclude_cold_structs): Do not increase
19740         I when removing a structure.
19741
19742 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
19743
19744         PR target/34856
19745         * config/i386/i386.c (ix86_expand_vector_init): Consider only
19746         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
19747
19748 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
19749
19750         PR middle-end/34934
19751         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
19752         a fixed vector for stack.
19753
19754 2008-01-24  Ben Elliston  <bje@au.ibm.com>
19755
19756         PR c++/25701
19757         * doc/gcc.texi (Software development): Add a direntry for g++.
19758
19759 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
19760
19761         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
19762         stale and straggling -fforce-addr comments above.
19763
19764         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
19765         define.
19766         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
19767         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
19768
19769 2008-01-23  Michael Matz  <matz@suse.de>
19770
19771         PR debug/34895
19772         * dwarf2out.c (force_type_die): Use modified_type_die instead of
19773         gen_type_die.
19774
19775 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
19776
19777         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
19778         malloc result type.
19779
19780 2008-01-23 Anatoly Sokolov <aesok@post.ru>
19781
19782         * config/avr/avr.c (avr_current_arch): New variable.
19783         (avr_arch_types): Add 'avr31' and 'avr51' entries.
19784         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
19785         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
19786         (avr_override_options): Init 'avr_current_arch'.
19787         (base_arch_s): Move from here...
19788         * config/avr/avr.h (base_arch_s): ... here. Add new members
19789         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
19790         'mega' to 'have_jmp_call'.
19791         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
19792         "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
19793         macros.
19794         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
19795         architectures.
19796         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
19797         MULTILIB_MATCHES): Ditto.
19798
19799 2008-01-23  Richard Guenther  <rguenther@suse.de>
19800
19801         PR middle-end/31529
19802         * cgraphunit.c (cgraph_reset_node): Always mark the node
19803         not reachable if it is not queued already.
19804
19805 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
19806
19807         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
19808         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
19809         (cputype_selected): New static variable.
19810         (bfin_handle_option): Set it if -mcpu is used.
19811         (override_option): Select default set of workarounds if no cpu type
19812         selected on the command line.
19813         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
19814
19815         From  Michael Frysinger  <michael.frysinger@analog.com>
19816         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
19817         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
19818
19819         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
19820         for bf547, bf523, bf524, and bf526.
19821         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
19822         bf526.
19823         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
19824         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
19825         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
19826         __ADSPBF547__ and __ADSPBF54x__ for bf547.
19827         * doc/invoke.texi (Blackfin Options): Document that
19828         -mcpu now accept bf547, bf523, bf524, and bf526.
19829
19830 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
19831
19832         PR rtl-optimization/34628
19833         * combine.c (try_combine): Stop and undo after the first combination
19834         if an autoincrement side-effect on the first insn has effectively
19835         been lost.
19836
19837 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
19838
19839         PR target/34529
19840         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
19841         Offset addresses are not valid for Altivec or paired float modes.
19842
19843 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
19844
19845         PR c++/34607
19846         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
19847         if DECL_INITIAL (decl) is error_mark_node.
19848
19849         PR c++/34914
19850         * c-common.c (handle_vector_size_attribute): Only allow
19851         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
19852         the same way as pointer, array etc. types.
19853         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
19854
19855         PR c++/34917
19856         * tree.c (build_type_attribute_qual_variant): Call
19857         build_qualified_type if attributes are equal, but quals are not.
19858
19859 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19860
19861         PR 32102
19862         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
19863         * flags.h (warn_strict_aliasing): Remove.
19864         (warn_strict_overflow): Remove.
19865         * opts.c (warn_strict_aliasing): Remove.
19866         (warn_strict_overflow): Remove.
19867         * c-opts.c (c_common_handle_option): -Wall only sets
19868         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
19869         (c_common_post_options): Give default values to -Wstrict-aliasing
19870         and -Wstrict-overflow if they are uninitialized.
19871         * common.opt (Wstrict-aliasing): Specify Var and Init.
19872         (Wstrict-overflow): Likewise.
19873
19874 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
19875
19876         PR rtl-optimization/26854
19877         PR rtl-optimization/34400
19878         PR rtl-optimization/34884
19879         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
19880         DF_RD->gen.
19881         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
19882         (df_rd_bb_info.expanded_lr_out): Deleted
19883         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
19884         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
19885         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
19886         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
19887         Removed code to allocate, initialize or free expanded_lr_out.
19888         (df_rd_bb_local_compute_process_def): Restructured to make more
19889         understandable.
19890         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
19891         sets if the sets are being trimmed.
19892
19893 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
19894
19895         PR bootstrap/32287
19896         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
19897         (as_vers): Likewise.
19898         * configure: Regenerated.
19899
19900 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19901
19902         PR middle-end/33092
19903         * tree-pass.h (pass_build_alias): New pass.
19904         * tree-ssa-alias.c (gate_build_alias): New.
19905         (pass_build_alias): New.
19906         * passes.c (init_optimization_passes): Add pass_build_alias after
19907         pass_create_structure_vars.
19908
19909 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
19910
19911         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
19912         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
19913         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
19914         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
19915         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
19916         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
19917         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
19918         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
19919         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
19920         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
19921         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
19922         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
19923         * config/s390/s390.md (FP_ALL): New mode iterator.
19924         (_d): New mode attribute.
19925         ("*signbit<mode>2>"): Changed mode of first operand.
19926         ("isinf<mode>2"): Changed mode of first operand.
19927         ("*TDC_insn"): Adaptation for DFP modes.
19928
19929 2008-01-22  Ben Elliston  <bje@au.ibm.com>
19930
19931         * tree.c (check_qualified_type): Improve function description.
19932
19933 2008-01-21  Jason Merrill  <jason@redhat.com>
19934
19935         PR c++/34196
19936         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
19937         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
19938         if it is set.
19939
19940 2008-01-21  DJ Delorie  <dj@redhat.com>
19941
19942         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
19943         return zero.
19944
19945 2008-01-21  Richard Guenther  <rguenther@suse.de>
19946
19947         PR middle-end/34856
19948         * tree-cfg.c (verify_expr): Allow all invariant expressions
19949         instead of just constant class ones as reference argument.
19950         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
19951         like any other constant.
19952         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
19953
19954 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
19955
19956         * regmove.c (fixup_match_1): Update call crossed frequencies.
19957
19958 2008-01-21  Richard Guenther  <rguenther@suse.de>
19959
19960         PR c/34885
19961         * tree-inline.c (setup_one_parameter): Deal with mismatched
19962         types using a VIEW_CONVERT_EXPR.
19963
19964 2008-01-21  Alon Dayan  <alond@il.ibm.com>
19965             Olga Golovanevsky  <olga@il.ibm.com>
19966
19967         PR tree-optimization/34701
19968         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
19969         when the structure size is not a power of 2.
19970
19971 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
19972
19973         * doc/install.texi: Add doc for --enable-checking=df.
19974
19975 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
19976
19977         PR rtl-optimization/34808
19978         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
19979
19980 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
19981
19982         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
19983         input.
19984
19985 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
19986
19987         PR rtl-optimization/26854
19988         PR rtl-optimization/34400
19989         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
19990         DF_RD->gen.
19991         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
19992         (df_rd_bb_info.expanded_lr_out): New.
19993         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
19994         * loop_iv.c (iv_analysis_loop_init): Ditto.
19995         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
19996         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
19997         Added code to allocate, initialize or free expanded_lr_out.
19998         (df_rd_bb_local_compute_process_def): Restructured to make
19999         more understandable.
20000         (df_rd_confluence_n): Add code to do nothing with fake edges and
20001         code to no apply invalidate_by_call sets if the sets are being trimmed.
20002         (df_lr_local_finalize): Renamed to df_lr_finalize.
20003         (df_live_local_finalize): Renamed to df_live_finalize.
20004
20005 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
20006
20007         PR target/34831
20008         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
20009         deciding whether to use reciprocal instructions.
20010
20011 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
20012
20013         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
20014         dwarf2out_note_section_used if cold_text_section is NULL.
20015
20016 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
20017
20018         PR gcov-profile/34610
20019         * tree-cfg.c (make_edges): Mark both outgoing edges from
20020         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
20021         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
20022         from OMP_FOR and OMP_CONTINUE outgoing edges.
20023
20024         * tree-profile.c (tree_profiling): Return early if
20025         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
20026         at the end.
20027         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
20028         from cfun to child_cfun.
20029         * function.h (struct function): Add after_tree_profile bit.
20030
20031 2008-01-19 Anatoly Sokolov <aesok@post.ru>
20032
20033         * config/avr/avr.S (_exit): Disable interrupt.
20034
20035 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
20036             Steven Bosscher  <stevenb.gcc@gmail.com>
20037
20038         PR rtl-optimization/26854
20039         PR rtl-optimization/34400
20040         * df-problems.c (df_live_scratch): New scratch bitmap.
20041         (df_live_alloc): Allocate df_live_scratch when doing df_live.
20042         (df_live_reset): Clear the proper bitmaps.
20043         (df_live_bb_local_compute): Only process the artificial defs once
20044         since the order is not important.
20045         (df_live_init): Init the df_live sets only with the variables
20046         found live by df_lr.
20047         (df_live_transfer_function): Use the df_lr sets to prune the
20048         df_live sets as they are being computed.
20049         (df_live_free): Free df_live_scratch.
20050
20051 2008-01-18  Ian Lance Taylor  <iant@google.com>
20052
20053         * common.opt: Add fmerge-debug-strings.
20054         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
20055         flag_merge_debug_strings rather than flag_merge_constants.
20056         * doc/invoke.texi (Option Summary): Mention
20057         -fmerge-debug-strings.
20058         (Debugging Options): Document -fmerge-debug-strings.
20059
20060 2008-01-18  Ian Lance Taylor  <iant@google.com>
20061
20062         PR c++/33407
20063         * tree.h (DECL_IS_OPERATOR_NEW): Define.
20064         (struct tree_function_decl): Add new field operator_new_flag.
20065         * tree-inline.c (expand_call_inline): When inlining a call to
20066         operator new, force the return value to go into a variable, and
20067         set DECL_NO_TBAA_P on that variable.
20068         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
20069
20070 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
20071
20072         PR debug/34484
20073         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
20074         DWARF2_DEBUGGING_INFO.
20075         (dwarf2out_note_section_used): Ditto.  Add prototype.
20076         (have_multiple_function_sections, text_section_used,
20077         cold_text_section_used, *cold_text_sections): Move declarations
20078         before their uses.
20079
20080 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
20081
20082         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
20083         field and add signal_ra.
20084         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
20085         assignments to frame state pc.  Move end of stack check after
20086         MD_FALLBACK_FRAME_STATE_FOR.
20087         (uw_update_context_1): Use frame state signal_regs if set, instead
20088         of checking signal_frame flag.
20089         (uw_update_context): Use frame state signal_ra if set.
20090         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
20091         * config/xtensa/linux-unwind.h: New file.
20092
20093 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
20094
20095         * modulo-sched.c (get_sched_window): Fix comment typo.
20096
20097 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
20098
20099         PR tree-optimization/34648
20100         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
20101
20102 2008-01-17  Anatoly Sokolov <aesok@post.ru>
20103
20104         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
20105         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
20106
20107 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
20108
20109         PR rtl-optimization/34400
20110         * df-core.c (df_worklist_dataflow_overeager,
20111         df_worklist_dataflow_doublequeue): New functions.
20112         (df_worklist_dataflow): Two different worklist solvers.
20113         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
20114         New param.
20115
20116 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20117
20118         PR testsuite/34821
20119         * doc/invoke.texi: Document the dependence on pthread for fopenmp
20120         and ftree-parallelize-loops.
20121
20122 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
20123
20124         PR rtl-optimization/34826
20125         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
20126
20127 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
20128
20129         * global.c (find_reg): Mark the eh regs as used if necessary.
20130         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
20131         * ra.h (struct allocno): no_eh_reg field added.  Changed
20132         no_stack_reg type to bitfield.
20133
20134 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
20135
20136         * tree.c (substitute_in_expr): Add missing 'break'.
20137
20138 2008-01-17  Richard Guenther  <rguenther@suse.de>
20139
20140         PR tree-optimization/34825
20141         * tree-ssa-math-opts.c (is_division_by): Do not recognize
20142         x / x as division to handle.
20143
20144 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20145
20146         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
20147         "-pthread" is specified.
20148         * pa-hpux11.h (LIB_SPEC): Likewise.
20149
20150 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
20151             Peter Bergner  <bergner@vnet.ibm.com>
20152
20153         PR rtl-optimization/33796
20154         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
20155
20156 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20157
20158         PR libgfortran/34699
20159         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
20160         static links.
20161         * pa-hpux10.h (LINK_SPEC): Likewise.
20162         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
20163
20164 2008-01-16  Richard Guenther  <rguenther@suse.de>
20165
20166         PR middle-end/32628
20167         * fold-const.c (fold_convert_const_int_from_int): Do not
20168         set overflow if that occured only because of a sign extension
20169         change when converting from/to a sizetype with the same
20170         precision and signedness.
20171
20172 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
20173
20174         PR debug/34249
20175         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
20176         location address to the correct place.  Update copyright year.
20177
20178 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20179
20180         * lambda-code.c (lambda_transform_legal_p): Handle the case of
20181         no dependences in the dependence_relations vector.
20182
20183 2008-01-16  Jan Hubicka  <jh@suse.cz>
20184
20185         PR rtl-optimization/31396
20186         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
20187         * cfg.c (dump_reg_info): Print it.
20188         * regs.h (struct reg_info_t): add freq_calls_crossed.
20189         (REG_FREQ_CALLS_CROSSED): New macro.
20190         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
20191         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
20192         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
20193         regmove_optimize): Update call crossed frequencies.
20194         * local-alloc.c (struct qty): Add freq_calls_crossed.
20195         (alloc_qty): Copute freq_calls_crossed.
20196         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
20197         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
20198         * ra.h (struct allocno): Add freq_calls_crossed.
20199
20200 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20201
20202         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
20203         libgomp when compiling with ftree-parallelize-loops.
20204         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
20205
20206 2008-01-16  Richard Guenther  <rguenther@suse.de>
20207
20208         PR tree-optimization/34769
20209         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
20210         * tree.c (int_cst_value): Instead make this function more
20211         permissive in what it accepts as valid input.  Document this
20212         function always sign-extends the value.
20213
20214 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
20215             Richard Guenther  <rguenther@suse.de>
20216
20217         PR c/34668
20218         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
20219         (gimple_fold_indirect_ref_rhs): ... this.
20220         (gimple_fold_indirect_ref): New function with foldings
20221         that preserve lvalueness.
20222         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
20223         * tree-flow.h (gimple_fold_indirect_ref): Declare.
20224         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
20225         to fold an INDIRECT_REF, fall back to the old use of
20226         fold_indirect_ref_1.
20227
20228 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20229
20230         * tree-data-ref.c (subscript_dependence_tester_1): Call
20231         free_conflict_function.
20232         (compute_self_dependence): Same.
20233
20234 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
20235
20236         PR debug/34249
20237         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
20238         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
20239         function global.
20240         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
20241         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
20242         for DWARF2_UNWIND_INFO targets.
20243
20244 2008-01-16  Richard Guenther  <rguenther@suse.de>
20245
20246         PR c/34768
20247         * c-typeck.c (common_pointer_type): Do not merge inconsistent
20248         type qualifiers for function types.
20249
20250 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
20251
20252         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
20253         loop_iterator li from previous commit.
20254
20255 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
20256
20257         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
20258
20259 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20260
20261         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
20262         (parallelize_loops): Don't parallelize irreducible components.
20263
20264 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20265
20266         PR c++/24924
20267         * c-opts (c_common_post_options): Do not enable CPP
20268         flag_pedantic_errors by default.
20269
20270 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
20271
20272         PR rtl-optimization/31944
20273         * cse.c (remove_pseudo_from_table): New function.
20274         (merge_equiv_classes): Use above function to remove pseudo-registers.
20275         (invalidate): Likewise.
20276
20277 2008-01-13  Richard Guenther  <rguenther@suse.de>
20278
20279         PR middle-end/34601
20280         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
20281         instead of TYPE_MODE to deal with calls from expand_one_error_var.
20282
20283 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
20284
20285         * gcse.c (cprop_jump): Call validate_unshare_change instead of
20286         validate_change to unshare the source of the PC set.
20287
20288 2008-01-12  Jan Hubicka  <jh@suse.cz>
20289
20290         PR middle-end/32135
20291         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
20292         references above array bounds.  This might trigger bounds checks for
20293         pointers to arrays.
20294
20295 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20296
20297         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
20298         new_replaceable_dependencies.
20299
20300 2008-01-12  Doug Kwan  <dougkwan@google.com>
20301
20302         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
20303         instead of OPT_Wreturn_type in warning due to ignored return type
20304         qualifiers.
20305         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
20306         options included in -Wextra.
20307         * c.opt: New option -Wignored_qualifiers.
20308         * doc/invoke.texi (Warning Options, -Wextra): Add new option
20309         -Wignore_qualifiers.
20310         (-Wignored-qualifiers): Document.
20311         (-Wreturn-type): Remove description of functionality now handled
20312         by -Wignored-qualifiers.
20313
20314 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
20315
20316         PR ada/33788
20317         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
20318         NOP_EXPR if it is between integral types with the same precision.
20319
20320 2008-01-12  Jan Hubicka  <jh@suse.cz>
20321
20322         PR other/28023
20323         * invoke.texi (max-inline-recursive-depth): Fix default value.
20324
20325 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
20326
20327         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
20328         correct type.
20329
20330 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
20331
20332         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
20333
20334 2008-01-11  James E. Wilson  <wilson@specifix.com>
20335
20336         PR target/26015
20337         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
20338
20339 2008-01-11  Anatoly Sokolov <aesok@post.ru>
20340
20341         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
20342         save/restore frame pointer register and don't use 'call-prologues'
20343         optimization in function with "OS_task" attribute.
20344
20345 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
20346
20347         PR middle-end/31309
20348         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
20349         when copying to memory.
20350
20351 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
20352
20353         PR rtl-optimization/30905
20354         * cfgcleanup.c: Include dce.h
20355         (crossjumps_occured): New global variable.
20356         (try_crossjump_bb): Exit loop after finding a fallthru edge.
20357         If something changed, set crossjumps_occured to true.
20358         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
20359         Don't add/remove fake edges to exit here...
20360         (cleanup_cfg): ...but do it here, when crossjumping.
20361         Run a fast DCE when successful crossjumps occured in the latest
20362         iteration of try_optimize_cfg.
20363
20364 2008-01-11  Richard Guenther  <rguenther@suse.de>
20365
20366         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
20367         (struct vn_unary_op_s): Likewise.
20368         (vn_reference_insert): Free old reference on hash collision.
20369
20370 2008-01-10  Raksit Ashok  <raksit@google.com>
20371
20372         PR rtl-optimization/27971
20373         * combine.c (find_split_point): Split PLUS expressions which are
20374         inside a MEM rtx, and whose first operand is complex.
20375
20376 2008-01-10  DJ Delorie  <dj@redhat.com>
20377
20378         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
20379         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
20380         (m32c_hard_regno_ok): Call the underlying function.
20381
20382 2008-01-10  Richard Guenther  <rguenther@suse.de>
20383
20384         PR middle-end/34683
20385         * tree-cfg.c (tree_merge_blocks): Do not go through the
20386         full-blown folding and stmt updating path if we just deal
20387         with virtual operands.
20388         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
20389         test for abnormal SSA_NAMEs.
20390
20391 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
20392
20393         PR middle-end/34641
20394         * reload.c (push_reload): Add assertions.  All constants from
20395         reg_equiv_constant should have been used for replacing the respective
20396         pseudo earlier.
20397         (find_reloads_address): Invoke find_reloads_address_part for
20398         constant taken from the reg_equiv_constant array.
20399
20400 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
20401
20402         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
20403         field (valnum) the first in the struct.  Replace bools with
20404         unit bit fields.
20405
20406 2008-01-10  Richard Guenther  <rguenther@suse.de>
20407
20408         PR tree-optimization/34651
20409         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
20410         types and ordering for masking and converting.
20411
20412 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
20413
20414         PR tree-optimization/34017
20415         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
20416         also for PHI_NODE expressions.
20417
20418 2008-01-09  Jan Hubicka  <jh@suse.cz>
20419
20420         PR tree-optimization/34708
20421         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
20422         based on number of case labels.
20423         (init_inline_once): Remove switch_cost.
20424         * tree-inline.h (eni_weights_d): Remove switch_cost.
20425
20426 2008-01-09  Richard Guenther  <rguenther@suse.de>
20427         Andrew Pinski  <andrew_pinski@playstation.sony.com>
20428
20429         PR middle-end/30132
20430         * gimplify.c (gimplify_cond_expr): Do not create an addressable
20431         temporary if an rvalue is ok or an lvalue is not required.
20432
20433 2008-01-09  Richard Guenther  <rguenther@suse.de>
20434
20435         PR middle-end/34458
20436         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
20437         adjust return type.
20438
20439 2008-01-09  Richard Guenther  <rguenther@suse.de>
20440
20441         PR middle-end/34679
20442         * tree.c (host_integerp): Check for sizetype only if the
20443         type is an integer type.
20444
20445 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
20446
20447         PR debug/26364
20448         * opts.c (decode_options): Disable inlining of functions called
20449         once if not in unit-at-a-time mode.
20450
20451 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
20452
20453         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
20454
20455 2008-01-08  Richard Guenther  <rguenther@suse.de>
20456
20457         PR middle-end/31863
20458         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
20459         out early if the result will be unused.
20460
20461 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20462
20463         PR target/34709
20464         Revert:
20465
20466         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20467         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20468         for TARGET_RECIP.
20469
20470 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
20471
20472         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
20473         for vectorization tuned.
20474
20475 2008-01-08  Richard Guenther  <rguenther@suse.de>
20476
20477         PR tree-optimization/34683
20478         * tree-ssa-operands.c (operand_build_cmp): Export.
20479         * tree-ssa-operands.h (operand_build_cmp): Declare.
20480         * tree-vn.c (vuses_compare): Remove.
20481         (sort_vuses): Use operand_build_cmp.
20482         (sort_vuses_heap): Likewise.
20483         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
20484         to re-use old VEC if available.  Do not sort already sorted VUSEs.
20485         (vdefs_to_vec): Do not sort already sorted VDEFs.
20486
20487 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
20488
20489         PR middle-end/34694
20490         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
20491
20492 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20493
20494         PR target/34702
20495         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
20496         limitations of reciprocal sequences on x86 targets.
20497
20498 2008-01-08  Richard Guenther  <rguenther@suse.de>
20499
20500         PR tree-optimization/34683
20501         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
20502
20503 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
20504
20505         PR target/34622
20506         * config/darwin.c (darwin_mergeable_string_section): Don't use
20507         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
20508
20509 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
20510
20511         PR target/34682
20512         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
20513         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
20514         predicates of op0 and op1 to register_operand.
20515         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
20516         expander using X87MODEF mode iterator.  Change predicates of
20517         op0 and op1 to register_operand.
20518         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
20519         corresponding patterns and macroize using MODEF macro.  Change
20520         predicates of op0 and op1 to register_operand and remove
20521         "m" constraint. Disparage "r" alternative with "!".
20522         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
20523         macroize using X87MODEF macro.  Change predicates of op0 and op1
20524         to register_operand and remove "m" constraint.  Disparage "r"
20525         alternative with "!".
20526         (absneg splitter with memory operands): Remove.
20527         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
20528         patterns and macroize using X87MODEF mode iterator.
20529         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
20530         Change predicate of op1 to register_operand.
20531         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
20532         for memory operands.
20533
20534 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
20535
20536         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
20537
20538 2008-01-07  Richard Guenther  <rguenther@suse.de>
20539
20540         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
20541         fields.
20542
20543 2008-01-07  Richard Guenther  <rguenther@suse.de>
20544
20545         PR tree-optimization/34683
20546         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
20547         VOPs of the needed size to save memory.  Use VEC_quick_push
20548         to save compile-time.
20549         (vdefs_to_vec): Likewise.
20550
20551 2008-01-07  Sa Liu  <saliu@de.ibm.com>
20552
20553         * config/spu/spu.md (divdf3): Genetate inline code for double
20554         division.  The implementation doesn't handle INF or NAN, therefore it
20555         only applies when -ffinite-math-only is given.
20556
20557 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
20558
20559         PR libstdc++/34680
20560         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
20561         * doc/cpp.texi ([Common Predefined Macros]): Document.
20562
20563 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
20564
20565         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
20566         order to use commutative addition instead of subtraction.
20567
20568 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20569             Mircea Namolaru  <namolaru@il.ibm.com>
20570             Vladimir Yanovsky  <yanov@il.ibm.com>
20571             Revital Eres  <eres@il.ibm.com>
20572
20573         PR tree-optimization/34263
20574         * tree-outof-ssa.c (process_single_block_loop_latch,
20575         contains_tree_r): New functions.
20576         (analyze_edges_for_bb): Call process_single_block_loop_latch
20577         function to empty single-basic-block latch block if possible.
20578
20579 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20580
20581         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20582         for TARGET_RECIP.
20583         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
20584
20585 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20586
20587         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
20588
20589 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20590
20591         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
20592
20593 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
20594
20595         PR tree-optimization/34618
20596         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
20597         flag from T.
20598
20599 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20600
20601         PR target/34673
20602         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
20603         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
20604         Update copyright year.
20605
20606         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
20607         Update copyright year.
20608         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
20609         using NR fixup.
20610
20611 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
20612
20613         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
20614         edge does not point to current bb before changing need_assert.
20615
20616 2008-01-04  Richard Guenther  <rguenther@suse.de>
20617
20618         PR middle-end/34029
20619         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
20620         for verifying purposes if they are is_gimple_min_invariant.
20621
20622 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
20623
20624         PR tree-optimization/34448
20625         PR tree-optimization/34465
20626         * gimplify.c (gimplify_init_constructor): Add new parameter
20627         notify_temp_creation.  Use it.
20628         (gimplify_modify_expr_rhs): Take volatiles into account when
20629         optimizing constructors.
20630         Do not optimize constructors if gimplify_init_constructor will dump to
20631         memory.
20632         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
20633         * gcc.c-torture/compile/pr34448.c: New.
20634
20635 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
20636
20637         PR gcov-profile/34609
20638         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
20639         return_slot if result is TREE_ADDRESSABLE.
20640
20641 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
20642
20643         * config/mips/mips.md (sqrt_condition): Tweak comment.
20644         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
20645
20646 2008-01-03  Tom Tromey  <tromey@redhat.com>
20647
20648         PR c/34457
20649         * c-common.c (c_type_hash): Handle VLAs.
20650
20651 2008-01-03  Jan Hubicka  <jh@suse.cz>
20652
20653         PR tree-optimization/31081
20654         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
20655         0 when inlining and not inlining to first basic block.
20656         (remap_decl): When var is initialized to 0, don't set default_def.
20657         (expand_call_inline): Set entry_bb.
20658         * tree-inline.h (copy_body_data): Add entry_bb.
20659
20660 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20661
20662         PR c++/34619
20663         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
20664         before returning.
20665
20666         PR tree-optimization/29484
20667         * tree-inline.c (inline_forbidden_p_2): New function.
20668         (inline_forbidden_p): Disallow inlining if some static var
20669         has an address of a local LABEL_DECL in its initializer.
20670         * doc/extend.texi (Labels as Values): Document &&foo behaviour
20671         vs. inlining.
20672
20673 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
20674
20675         PR tree-optimization/34635
20676         * tree-data-ref.c (add_other_self_distances): Make sure that the
20677         evolution step is constant.
20678
20679 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20680
20681         PR middle-end/34608
20682         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
20683
20684 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
20685
20686         * tree-sra.c (scalarize_init): Insert the generate_element_init
20687         statements after the generate_element_zero statements.
20688
20689 2008-01-02  Richard Guenther  <rguenther@suse.de>
20690
20691         PR middle-end/34093
20692         PR middle-end/31976
20693         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
20694         for very large number of operands instead of ICEing.
20695
20696 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
20697
20698         PR target/34013
20699         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
20700         while stack probing.
20701
20702 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
20703
20704         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
20705         in C++0x mode.
20706
20707 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
20708
20709         PR libmudflap/26442
20710         * tree-mudflap.c (mx_register_decls): Guard warning by
20711         !DECL_ARTIFICIAL check.
20712
20713 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
20714
20715         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
20716         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
20717         sse5_perm<mode>): Fix constraints.