gcc/ChangeLog

   1 2008-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
   2
   3         PR middle-end/36444
   4         * expmed.c (extract_bit_field_1): Check the mode size to make
   5         sure the vector modes have the same size.
   6
   7 2008-08-29  Michael Meissner  <gnu@the-meissners.org>
   8
   9         * dojump.c (top level): Include basic-block.h to declare
  10         optimize_insn_for_speed_p
  11
  12         * Makefile.in (dodump.h): Add $(BASIC_BLOCK_H) dependency.
  13
  14         * opts.h (CL_SAVE): New option class for marking options that are
  15         target specific options usable in the target attribute.
  16         (CL_MIN_OPTION_CLASS): CL_SAVE is now the minimum option.
  17
  18         * opt-functions.awk (switch_flags): Add CL_SAVE flag so backends
  19         can easily find the target specific options that are safe to use
  20         in the attribute or pragma.
  21
  22         * attribs.c (decl_attributes): Change #pragma GCC option to
  23         #pragma GCC target, and attribute((option(...))) to
  24         attribute((target(...))).
  25
  26         * doc/extend.texi (target attribute): Change from option
  27         attribute.  Delete push/pop/reset.
  28         (#pragma GCC target): Change from #pragma GCC option.  Delete
  29         push/pop/reset.
  30         (#pragma GCC push_options): Document new pragma.
  31         (#pragma GCC pop_options): Document new pragma.
  32         (#pragma GCC reset_options): Document new pragma.
  33
  34         * targhooks.c (default_target_option_valid_attribute_p): Add
  35         warning about port not supporting target attributes.
  36         (default_target_option_pragma_parse): New function, warn about
  37         #pragma GCC target not being supported.
  38
  39         * targhooks.h (default_target_option_pragma_parse): Add
  40         declaration.
  41
  42         * tree.h (TI_CURRENT_TARGET_PRAGMA): Rename from
  43         TI_CURRENT_OPTION_PRAGMA.
  44         (current_target_pragma): Rename from current_option_pragma.
  45
  46         * target.h: (struct target_option): Delete booleans for changing
  47         the optimization level on hot/cold functions.  Change signature of
  48         pragma_parse hook to take a second tree.
  49
  50         * c-tree.h (c_builtin_function_ext_scope): Add declaration.
  51
  52         * c-decl.c (c_builtin_function_ext_scope): New function, guarantee
  53         that the declaration is done at global scope.
  54
  55         * langhooks.c (add_builtin_function_common): Move most of the code
  56         from add_builtin_function here, calling the hook passed in.
  57         (add_builtin_function): Call add_builtin_function_common with
  58         standard builtin hook.
  59         (add_builtin_function_ext_scope): New function to add builtins to
  60         global scope.
  61
  62         * langhooks.h (struct lang_hooks): Add builtin_function_ext_scope
  63         hook.
  64         (add_builtin_function_ext_scope): Add declaration.
  65
  66         * c-pragma.c (handle_pragma_target): Rename from
  67         handle_pragma_option, #pragma GCC option is now #pragma GCC
  68         target.  Move warning about port not supporting target options to
  69         default pragma parse hook.  Remove push/pop/reset from this
  70         pragma.
  71         (handle_pragma_optimize): Remove push/pop/reset from this pragma.
  72         (option_stack): Delete static variable.
  73         (optimize_stack): Ditto.
  74         (optons_stack): New stack of saved target and optimization
  75         options.
  76         (handle_pragma_push_options): New function to handle pushing both
  77         target and optimization options.
  78         (handle_pragma_pop_options): New function to handle popping both
  79         target and optimization options.
  80         (handle_pragma_reset_options): New function to handle resetting
  81         both target and optimization options to their initial state.
  82         (init_pragma): Rename handle_pragma_option to
  83         handle_pragma_target.  Add support for push_options, pop_options,
  84         and reset_options pragmas.
  85
  86         * target-def.h (TARGET_OPTION_PRAGMA_PARSE): Change default to
  87         default_target_option_pragma_parse.
  88         (TARGET_OPTION_VALID_ATTRIBUTE_P): Change default to
  89         default_target_option_valid_attribute_p.
  90         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
  91         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
  92         (TARGET_OPTION_HOOKS): Delete the fields for whether to change
  93         optimization level on hot/cold functions.
  94
  95         * tree-inline.c (tree_can_inline_p): Disable suppressing inlining
  96         if the caller and callee have different optimization levels.
  97
  98         * c-common.c (handle_target_attribute): Rename from
  99         handle_option_attribute, attribute((option(...))) is now
 100         attribute((target(...))).  Move warning if the port does not
 101         support target attributes to the default hook.
 102         (handle_hot_attribute): Delete code to change the optimization
 103         level of hot functions.
 104         (handle_cold_attribute): Ditto.
 105
 106         * config/i386/i386-c.c (ix86_pragma_target_parse): Take a second
 107         argument that is the binary tree options to use if there are no
 108         arguments.  Call ix86_valid_target_attribute_tree instead of
 109         ix86_valid_option_attribute_tree.
 110         (ix86_pragma_target_parse): Rename from ix86_pragma_option_parse.
 111         (ix86_register_pragmas): Use ix86_pragma_target_parse instead of
 112         ix86_pragma_option_parse.
 113
 114         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
 115         Rename from ix86_valid_option_attribute_tree.
 116
 117         * config/i386/i386.c (ix86_add_new_builtins): New function to add
 118         new builtins when the ISA changes.
 119         (ix86_valid_target_attribute_tree): Rename from
 120         ix86_valid_option_attribute_tree.  Change callers.  If the
 121         function specified optimization options, use those as the starting
 122         point before setting up the target attributes.  If the
 123         optimization options were changed in the course of setting the
 124         target attributes, record the new optimization options.
 125         (ix86_valid_target_attribute_tree_inner_p): Rename from
 126         ix86_valid_option_attribute_tree_inner_p.  Change callers.  Call
 127         ix86_add_new_builtins if the ISA changed.
 128         (ix86_valid_target_attribute_p): Rename from
 129         ix86_valid_option_attribute_p.  Change callers.
 130         (enum ix86_builtins): Add IX86_BUILTIN_PCMOV to allow both
 131         __builtin_ia32_pcmov and __builtin_ia32_pcmov_v2di to be declared
 132         as delayed builtin functions.
 133         (struct builtin_isa): New structure to record builtin functions
 134         that should be delayed until the ISA for that function is used.
 135         (ix86_builtins_isa): Change from int to struct to track builtin
 136         functions we want to declare at some point.
 137         (def_builtin): If the front end can delay defining the builtin
 138         functions, don't create builtins for ISAs not part of the default
 139         options.
 140         (def_builtin_const): Ditto.
 141         (bdesc_multi_arg): Declare __builtin_ia32_pcmov and
 142         __builtin_ia32_pcmov_v2di to be different builtin functions.
 143         (ix86_expand_builtin): Changes due to ix86_builtins_isa now being
 144         a structure instead of an int.
 145         (TARGET_OPTION_VALID_ATTRIBUTE_P): Use
 146         ix86_valid_target_attribute_p, not ix86_valid_option_attribute_p.
 147         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
 148         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
 149
 150         * config/ia64/ia64.h
 151         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
 152         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
 153
 154         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE): New
 155         hook, default to being the same as LANG_HOOKS_BUILTIN_FUNCTION.
 156         (LANG_HOOKS_INITIALIZER): Add
 157         LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE hook.
 158
 159 2008-08-30  Kaz Kojima  <kkojima@gcc.gnu.org>
 160
 161         PR target/37270
 162         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Generate
 163         the reload address with the index register for SFmode
 164         access with a displacement.
 165
 166 2008-08-30  Jan Hubicka  <jh@suse.cz>
 167
 168         * optabs.c (expand_abs_nojump): Update BRANCH_COST call.
 169         * fold-cost.c (LOGICAL_OP_NON_SHORT_CIRCUIT, fold_truthop): Likewise.
 170         * dojump.c (do_jump): Likewise.
 171         * ifcvt.c (MAX_CONDITIONAL_EXECUTE): Likewise.
 172         (note-if_info): Add BRANCH_COST.
 173         (noce_try_store_flag_constants, noce_try_addcc, noce_try_store_flag_mask,
 174         noce_try_cmove_arith, noce_try_cmove_arith, noce_try_cmove_arith,
 175         noce_find_if_block, find_if_case_1, find_if_case_2): Use compuated
 176         branch cost.
 177         * expr.h (BRANCH_COST): Update default.
 178         * predict.c (predictable_edge_p): New function.
 179         * expmed.c (expand_smod_pow2, expand_sdiv_pow2, emit_store_flag):
 180         Update BRANCH_COST call.
 181         * basic-block.h (predictable_edge_p): Declare.
 182         * config/alpha/alpha.h (BRANCH_COST): Update.
 183         * config/frv/frv.h (BRANCH_COST): Update.
 184         * config/s390/s390.h (BRANCH_COST): Update.
 185         * config/spu/spu.h (BRANCH_COST): Update.
 186         * config/sparc/sparc.h (BRANCH_COST): Update.
 187         * config/m32r/m32r.h (BRANCH_COST): Update.
 188         * config/i386/i386.h (BRANCH_COST): Update.
 189         * config/i386/i386.c (ix86_expand_int_movcc): Update use of BRANCH_COST.
 190         * config/sh/sh.h (BRANCH_COST): Update.
 191         * config/pdp11/pdp11.h (BRANCH_COST): Update.
 192         * config/avr/avr.h (BRANCH_COST): Update.
 193         * config/crx/crx.h (BRANCH_COST): Update.
 194         * config/xtensa/xtensa.h (BRANCH_COST): Update.
 195         * config/stormy16/stormy16.h (BRANCH_COST): Update.
 196         * config/m68hc11/m68hc11.h (BRANCH_COST): Update.
 197         * config/iq2000/iq2000.h (BRANCH_COST): Update.
 198         * config/ia64/ia64.h (BRANCH_COST): Update.
 199         * config/rs6000/rs6000.h (BRANCH_COST): Update.
 200         * config/arc/arc.h (BRANCH_COST): Update.
 201         * config/score/score.h (BRANCH_COST): Update.
 202         * config/arm/arm.h (BRANCH_COST): Update.
 203         * config/pa/pa.h (BRANCH_COST): Update.
 204         * config/mips/mips.h (BRANCH_COST): Update.
 205         * config/vax/vax.h (BRANCH_COST): Update.
 206         * config/h8300/h8300.h (BRANCH_COST): Update.
 207         * params.def (PARAM_PREDICTABLE_BRANCH_OUTCOME): New.
 208         * doc/invoke.texi (predictable-branch-cost-outcome): Document.
 209         * doc/tm.texi (BRANCH_COST): Update.
 210
 211 2008-08-30  Samuel Tardieu  <sam@rfc1149.net>
 212
 213         PR target/37283
 214         * config/arm/arm.c (arm_optimization_options): Set
 215         flag_section_anchors to 2 instead of 1 to distinguish it from
 216         -fsection-anchors given explicitely on the command line.
 217
 218 2008-08-30  Richard Sandiford  <rdsandiford@googlemail.com>
 219
 220         * recog.c (split_insn): Consider attaching a REG_EQUAL note to the
 221         final insn of a split.
 222
 223 2008-08-30  Jan Hubicka  <jh@suse.cz>
 224
 225         * postreload-gcse.c (gate_handle_gcse2): Disable for functions
 226         optimized for speed.
 227         * final.c (compute_alignments): Use optimize_bb_for_size_p.
 228         * tree-call-cdce.c (gate_call_cdce): Use optimize_function_for_speed_p.
 229         * opts.c (flag_predictive_commoning_set, flag_unswitch_loops_set,
 230         flag_gcse_after_reload_set): New static vars.
 231         (common_handle_option): Enable those flags for profile-use.
 232         (decode_options): Remove optimize_size flags that are handled
 233         on higher granuality.
 234         * tree-vectorizer.c (vectorize_loops): Use
 235         optimize_loop_nest_for_speed_p.
 236         * tree-ssa-pre.c (do_pre): Use optimize_function_for_speed_p.
 237         * tree-predcom.c (tree_predictive_commoning): Use
 238         optimize_loop_for_speed_p.
 239         * varasm.c (assemble_start_function): Use optimize_function_for_speed_p.
 240         * bb-reorder.c (rest_of_handle_reorder_blocks): Likewise.
 241         * predict.c (optimize_loop_for_speed_p): Fix walk.
 242
 243 2008-08-30  Jan Hubicka  <jh@suse.cz>
 244
 245         * ipa-inline.c (cgraph_estimate_growth): Discover self recursive
 246         functions.
 247         (cgraph_decide_inlining_of_small_function): Use edge->count to detect
 248         profile presence locally.
 249
 250 2008-08-29  Joseph Myers  <joseph@codesourcery.com>
 251
 252         PR bootstrap/37086
 253         * tree-vrp.c (find_switch_asserts): Make idx volatile for GCC
 254         versions before 4.0.
 255
 256 2008-08-29  Jan Hubicka  <jh@suse.cz>
 257
 258         * tree-inline.c (insert_init_stmt): Insert sequence even when
 259         not in SSA form.
 260
 261 2008-08-29  Jeff Law  <law@redhat.com>
 262
 263         * mn10300.c (mn10300_secondary_reload_class): We need secondary
 264         reloads for AM33-2 if IN is a pseudo with an equivalent memory
 265         location and class is an FP register.
 266
 267 2008-08-29  Jan Hubicka  <jh@suse.cz>
 268
 269         * see.c (see_merge_one_def_extension): Silence used uninitialized
 270         warning.
 271         * matrix-reorg.c (check_allocation_function): Likewise.
 272         * config/i386/driver-i386.c (detect_caches_amd): Likewise.
 273
 274 2008-08-29  Jakub Jelinek  <jakub@redhat.com>
 275
 276         PR c/37261
 277         * fold-const.c (fold_binary): In (X | C1) & C2 canonicalization
 278         compute new & and | in type rather than TREE_TYPE (arg0).
 279
 280         * dwarf2out.c (fortran_common): Update comment.
 281         (gen_variable_die): Swap com_die and var_die variables in Fortran
 282         COMMON block handling code.
 283
 284         * dwarf2out.c (descr_info_loc): Handle VAR_DECL.
 285
 286         * dwarf2out.c (gen_const_die): New function.
 287         (size_of_die, value_format, output_die): Output larger
 288         dw_val_class_vec using DW_FORM_block2 or DW_FORM_block4.
 289         (native_encode_initializer): New function.
 290         (tree_add_const_value_attribute): Call it.
 291         (gen_decl_die, dwarf2out_decl): Handle CONST_DECLs if is_fortran ().
 292
 293         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): For
 294         DECL_BY_REFERENCE decls don't pass TREE_READONLY and
 295         TREE_THIS_VOLATILE to add_type_attribute.
 296
 297         * dwarf2out.c (add_subscript_info): Stop on Fortran TYPE_STRING_FLAG
 298         types.
 299         (gen_array_type_die): Emit DW_TAG_string_type for Fortran character
 300         types.
 301
 302         * dwarf2out.c (loc_by_reference): New function.
 303         (add_location_or_const_value_attribute): Use it.
 304
 305         PR fortran/23057
 306         * dwarf2out.c (gen_variable_die): Represent Fortran COMMON vars
 307         as DW_TAG_variable children of DW_TAG_common_block rather than
 308         DW_TAG_member children.  Put DW_AT_external to individual
 309         DW_TAG_variable DIEs, not to DW_TAG_common_block.
 310
 311         * dwarf2out.c (add_bound_info): If lookup_decl_die failed, try
 312         loc_descriptor_from_tree_1.
 313
 314         PR fortran/29635
 315         PR fortran/23057
 316         * debug.h (struct gcc_debug_hooks): Add NAME and CHILD
 317         arguments to imported_module_or_decl.
 318         (debug_nothing_tree_tree): Removed.
 319         (debug_nothing_tree_tree_tree_bool): New prototype.
 320         * debug.c (do_nothing_debug_hooks): Adjust.
 321         (debug_nothing_tree_tree): Removed.
 322         (debug_nothing_tree_tree_tree_bool): New function.
 323         * dwarf2out.c (is_symbol_die): Handle DW_TAG_module.
 324         (gen_variable_die): Put all common vars for the
 325         same COMMON block under one DW_TAG_common_block.
 326         (declare_in_namespace): Return new context_die, for Fortran
 327         return the module DIE instead of adding extra declarations into
 328         the namespace.
 329         (gen_type_die_with_usage): Adjust declare_in_namespace caller.
 330         (gen_namespace_die): If is_fortran (), generate DW_TAG_module
 331         instead of DW_TAG_namespace.  If DECL_EXTERNAL is set, add
 332         DW_AT_declaration.
 333         (dwarf2out_global_decl): Don't skip Fortran global vars.
 334         (gen_decl_die): Likewise.  Adjust declare_in_namespace callers.
 335         (dwarf2out_imported_module_or_decl): Add NAME and CHILD arguments.
 336         If NAME is non-NULL, add DW_AT_name.  If CHILD is non-NULL, put
 337         DW_TAG_imported_declaration as child of previous
 338         DW_TAG_imported_module.
 339         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Adjust.
 340         * sdbout.c (sdb_debug_hooks): Likewise.
 341         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
 342
 343 2008-08-29  Jan Hubicka  <jh@suse.cz>
 344
 345         * cgraph.c (cgraph_remove_node): Do not remove nested nodes.
 346
 347         * cgraph.h (cgraph_maybe_hot_edge_p): Declare.
 348         * ipa-cp.c (n_cloning_candidates): New static variable.
 349         (ipcp_print_profile_data, ipcp_function_scale_print): Forward declare.
 350         (ipcp_print_all_lattices): Improve debug output.
 351         (ipcp_cloning_candidate_p): New function.
 352         (ipcp_initialize_node_lattices): Use it.
 353         (ipcp_init_stage): Do only analyzis here; prettier debug output.
 354         (ipcp_propagate_stage): Prettier debug output.
 355         (ipcp_iterate_stage): Initialize latices here; prettier debug output.
 356         (ipcp_print_all_structures): Remove.
 357         (ipcp_need_redirect_p): Test !n_cloning_candidates.
 358         (ipcp_insert_stage): Prettier debug output; call
 359         cgraph_remove_unreachable_nodes before propagating.
 360         (pass_ipa_cp): Schedule function removal pass.
 361         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Better
 362         debug output.
 363         (cgraph_maybe_hot_edge_p): Move to ...
 364         * predict.c (cgraph_maybe_hot_edge_p) ... here.
 365         * opts.c (flag_ipa_cp_set, flag_ipa_cp_clone_set): New.
 366         (common_handle_option): Set them; enable ipa-cp when profiling.
 367         * ipa-prop.c (ipa_print_node_jump_functions): Prettier output.
 368         (ipa_print_all_jump_functions): Likewise.
 369         (ipa_print_all_tree_maps, ipa_print_node_param_flags): Remove.
 370         (ipa_print_node_params, ipa_print_all_params): New.
 371         * ipa-prop.h (ipa_print_all_tree_maps, ipa_print_node_param_flags,
 372         ipa_print_all_param_flags): Remove.
 373         (ipa_print_node_params, ipa_print_all_params): New.
 374
 375 2008-08-29  Bob Wilson  <bob.wilson@acm.org>
 376
 377         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Revert
 378         change from 2008-04-03.
 379         * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Define.
 380
 381 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
 382
 383         PR rtl-opt/37251
 384
 385         * ira-color.c (push_allocnos_to_stack): Truncate
 386         removed_splay_allocno_vec.
 387
 388 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
 389
 390         PR rtl-opt/37243
 391         * ira-color (ira_fast_allocation): Don't assign hard registers to
 392         global allocnos.
 393
 394 2008-08-29  Jan Hubicka  <jh@suse.cz>
 395
 396         PR middle-end/37278
 397         * predict.c (optimize_loop_nest_for_speed_p): Do not ICE
 398         for cold internal loops.
 399
 400 2008-08-29  Richard Guenther  <rguenther@suse.de>
 401
 402         * tree-ssa-structalias.c (create_variable_info_for): Do not
 403         create fields for heap vars or vars with a noalias state.
 404         For NO_ALIAS_ANYTHING variables add a self-constraint, not one
 405         from ESCAPED.
 406
 407 2008-08-29  Richard Guenther  <rguenther@suse.de>
 408
 409         * common.opt (ftree-store-ccp): Mark as preserved for
 410         backward compatibility.
 411         * doc/invoke.texi (-ftree-store-ccp): Remove documentation.
 412         * tree-pass.h (pass_store_ccp): Remove.
 413         * tree-ssa-propagate.h (struct prop_value_d): Remove mem_ref field.
 414         (first_vdef): Remove declaration.
 415         (get_value_loaded_by): Likewise.
 416         * tree-ssa-ccp.c (do_store_ccp): Remove.
 417         (get_default_value): Simplify as do_store_ccp is always false
 418         now.  Do not initialize mem_ref.
 419         (set_value_varying): Likewise.
 420         (canonicalize_float_value): Likewise.
 421         (set_lattice_value): Likewise.
 422         (likely_value): Likewise.
 423         (surely_varying_stmt_p): Likewise.
 424         (ccp_initialize): Likewise.
 425         (ccp_lattice_meet): Likewise.
 426         (ccp_visit_phi_node): Likewise.
 427         (ccp_fold): Likewise.
 428         (evaluate_stmt): Likewise.
 429         (visit_assignment): Likewise.
 430         (ccp_visit_stmt): Likewise.
 431         (execute_ssa_ccp): Fold into ...
 432         (do_ssa_ccp): ... this.
 433         (do_ssa_store_ccp): Remove.
 434         (gate_store_ccp): Likewise.
 435         (pass_store_ccp): Likewise.
 436         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not
 437         initialize mem_ref.
 438         * tree-ssa-propagate.c (first_vdef): Remove.
 439         (get_value_loaded_by): Likewise.
 440         (replace_vuses_in): Likewise.
 441         (substitute_and_fold): Do not call replace_vuses_in.
 442         * opts.c (decode_options): Do not set flag_tree_store_ccp.
 443
 444 2008-08-29  Richard Guenther  <rguenther@suse.de>
 445
 446         PR middle-end/37236
 447         * tree-ssa-structalias.c (intra_create_variable_infos): Mark
 448         PARAM_NOALIAS tags with is_heapvar.
 449         * tree-ssa-operands.c (access_can_touch_variable): Offset
 450         based tests do not apply for heapvars.  Fix offset test.
 451
 452 2008-08-29  Jan Hubicka  <jh@suse.cz>
 453
 454         * doc/invoke.texi (-fipa-cp): Enabled by default at -O2/-Os/-O3
 455         (-fipa-cp-clone): Enabled by default at -O3.
 456         * opts.c (decode_options): Enable ipa-cp at -O2, ipa-cp-clone at -O3;
 457         make ipa-cp-clone to imply ipa-cp; disable cloning at -Os.
 458
 459 2008-08-29  Jan Hubicka  <jh@suse.cz>
 460
 461         * tree.c (build_function_type_skip_args, build_function_decl_skip_args):
 462         New functions.
 463         * tree.h (build_function_type_skip_args, build_function_decl_skip_args):
 464         Declare.
 465         * gimple.c (giple_copy_call_skip_args): New function.
 466         (giple_copy_call_skip_args): Declare.
 467
 468         * cgraph.h (cgraph_function_versioning): Add skip_args arugmnet
 469         * ipa-cp.c (ipcp_node_not_modifiable_p): Rename to ...
 470         (ipcp_node_modifiable_p): ... this one; use tree_versionable_function_p.
 471         (ipcp_create_replace_map): Improve debug output.
 472         (ipcp_need_redirect_p): Return false when not clonning.
 473         (ipcp_update_callgraph): Skip args.
 474         (ipcp_insert_stage): UPdate call of !ipcp_node_modifiable_p;
 475         skip args.
 476         * cgraphunit.c (cgraph_function_versioning): Add skip_args argument.
 477         (save_inline_function_body): Update call of tree_function_versioning.
 478         * ipa-prop.c (ipa_edge_removal_hook): Do not ICE on unanalyzed nodes.
 479         * tree-inline.c (copy_arguments_for_versioning): Add skip_args argument.
 480         (tree_function_versioning): Likewise.
 481         * tree-inline.h (tree_function_versioning): Update prototype.
 482
 483 2008-08-29  Jan Hubicka  <jh@suse.cz>
 484
 485         * loop-unswitch.c (unswitch_single_loop): Use optimize_loop_for_speed_p.
 486         * tree-ssa-threadupdate.c (mark_threaded_blocks): Use optimize_function_for_size_p.
 487         * tracer.c (ignore_bb_p): Use optimize_bb_for_size_p.
 488         * postreload-gcse.c (eliminate_partially_redundant_load): Use optimize_bb_for_size_p.
 489         * value-prof.c (gimple_divmod_fixed_value_transform,
 490         gimple_mod_pow2_value_transform, gimple_mod_subtract_transform,
 491         gimple_stringops_transform): Use optimize_bb_for_size_p.
 492         * ipa-cp.c (ipcp_insert_stage): Use optimize_function_for_size_p.
 493         * final.c (compute_alignments): Use optimize_function_for_size_p.
 494         * builtins.c (fold_builtin_cabs): Use optimize_function_for_speed_p.
 495         (fold_builtin_strcpy, fold_builtin_fputs): Use
 496         optimize_function_for_size_p.
 497         * fold-const.c (tree_swap_operands_p): Use optimize_function_for_size_p.
 498         * recog.c (relax_delay_slots): Likewise.
 499         * tree-ssa-math-opts.c (replace_reciprocal): Use optimize_bb_for_speed_p.
 500         (execute_cse_reciprocals): Use optimize_bb_for_size_p.
 501         * ipa-inline.c (cgraph_decide_recursive_inlining): Use
 502         optimize_function_for_size_p.
 503         (cgraph_decide_inlining_of_small_function): Use
 504         optimize_function_for_size_p.
 505         * global.c (find_reg): Use optimize_function_for_size_p.
 506         * opts.c (decode_options): Do not clear flag_tree_ch, flag_inline_functions,
 507         flag_unswitch_loops, flag_unroll_loops, flag_unroll_all_loops and
 508         flag_prefetch_loop_arrays. Those can work it out from profile.
 509         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Use
 510         optimize_loop_for_speed_p.
 511         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p): Constify
 512         argument.
 513         (optimize_loop_nest_for_size_p, optimize_loop_nest_for_speed_p): New.
 514         * tree-parloops.c (parallelize_loops): Use optimize_loop_for_size_p.
 515         * tree-eh.c (decide_copy_try_finally): Use optimize_function_for_size_p.
 516         * local-alloc.c (block_alloc): Pass BB pointer.
 517         (find_free_reg): Add BB pointer, use optimize_bb_for_size_p.
 518         * gcse.c (gcse_main): Use optimize_function_for_size_p.
 519         * loop-unroll.c (decide_unrolling_and_peeling): Use optimize_loop_for_size_p.
 520         (decide_peel_completely): Likewise.
 521         * tree-vect-analyze.c (vect_mark_for_runtime_alias_test): Use
 522         optimize_loop_for_size_p.
 523         (vect_enhance_data_refs_alignment): Likewise.
 524         * tree-ssa-coalesce.c (coalesce_cost): Add optimize_for_size argument.
 525         (coalesce_cost_bb, coalesce_cost_edge, create_outofssa_var_map): Update call.
 526         * cfgcleanup.c (outgoing_edges_match): Use optimize_bb_for_speed_p.
 527         (try_crossjump_bb): Use optimize_bb_for_size_p.
 528         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
 529         optimize_loop_for_speed_p.
 530         * bb-reorder.c (find_traces_1_round): Likewise.
 531         (copy_bb): Use optimize_bb_for_speed_p.
 532         (duplicate_computed_gotos): Likewise.
 533         * basic-block.h (optimize_loop_nest_for_size_p,
 534         optimize_loop_nest_for_speed_p): New.
 535         * stmt.c (expand_case): Use optimize_insn_for_size_p.
 536
 537 2008-08-29  Tristan Gingold  <gingold@adacore.com>
 538
 539         * gcov.c (main): Call expandargv.
 540
 541 2008-08-29  Jan Hubicka  <jh@suse.cz>
 542
 543         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Check that loop
 544         is not cold.
 545         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p):
 546         Constify arguments.
 547         (optimize_loop_for_size_p, optimize_loop_for_speed_p): New functions.
 548         * basic-block.h (optimize_bb_for_size_p, optimize_bb_for_speed_p):
 549         Constify.
 550         (optimize_loop_for_size_p, optimize_loop_for_speed_p): Declare.
 551
 552 2008-08-29  Jan Hubicka  <jh@suse.cz>
 553
 554         * tree-pass.h (pass_strip_predict_hints): Declare.
 555         * predict.c (strip_builtin_expect): Rename to ...
 556         (strip_predict_hints): ... this one; strip also GIMPLE_PREDICT.
 557         (tree_bb_level_predictions): Do not remove GIMPLE_PREDICT.
 558         (tree_estimate_probability): Do not strip builtin_expect.
 559         (pass_strip_predict_hints): New pass.
 560         * tree-inline.c (expand_call_inline): When inlining cold function, predict
 561         it as unlikely.
 562         * passes.c (init_optimization_passes): Add pass_strip_predict_hints.
 563
 564 2008-08-29  Richard Guenther  <rguenther@suse.de>
 565
 566         PR tree-optimization/37207
 567         * tree-vrp.c (extract_range_from_binary_expr): Also try
 568         to constant fold if only one of the operands is a constant.
 569
 570 2008-08-29  Nick Clifton  <nickc@redhat.com>
 571
 572         * config/m32r/m32r.h (LEGITIMATE_CONSTANT_P): Treat LABEL_REFs in
 573         the same way as SYMBOL_REFs.
 574
 575 2008-08-28  Bob Wilson  <bob.wilson@acm.org>
 576
 577         * config/xtensa/xtensa.md (<u>mulsidi3): Use a temporary register.
 578
 579 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
 580
 581         * config/mips/mips.h (ISA_HAS_BBIT): New macro.
 582         * config/mips/mips.md (branch_likely): Remove const.  Fix
 583         comment formatting.
 584         (define_delay for type "branch"): Change to only apply for branch
 585         with likely variant.
 586         (define_delay for type "branch" and "branch_likely" no).  New delay
 587         definition.
 588         (equality_op): New code iterator.
 589         (bbv, bbinv): New code attributes.
 590         (*branch_bit<bbv><mode>, *branch_bit<bbv><mode>_inverted): New
 591         patterns.
 592
 593 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 594             Andrew Pinski  <pinskia@gcc.gnu.org>
 595
 596         PR 18050
 597         * c-common.c (verify_tree): Fix handling of ADDR_EXPR.
 598
 599 2008-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
 600
 601         * gtrh-posix.h: Fix uses of _POSIX_TIMEOUTS per the normal Posix
 602         rule that a symbolic constant must be defined and >= 0 for the
 603         corresponding facility to be present at compile-time.
 604         * gthr-posix.c: Likewise.
 605
 606 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
 607
 608         * config/mips/mips.h (ISA_HAS_DMUL3): New macro.
 609         * config/mips/mips.md (D): New mode attribute.
 610         (mulsi3, muldi3): Merge it into ...
 611         (mul<mode>3): ... new template.  Use _mul3 ending for 3-op
 612         patterns.
 613         (muldi3_mul3): New pattern.
 614         (mulsi3_mult3): Rename to mulsi3_mul3.
 615
 616 2008-08-28  Jan Hubicka  <jh@suse.cz>
 617
 618         * expmed.c (store_bit_field_1): Be prepared for movstrict expander
 619         to fail.
 620         * predict.c (always_optimize_for_size_p): Rename to ...
 621         (optimize_function_for_size): ... this one; make extern.
 622         (optimize_function_for_speed_p): New.
 623         (optimize_bb_for_size_p, optimize_bb_for_size_p,
 624         optimize_edge_for_size_p,optimize_edge_for_size_p,
 625         optimize_insn_for_size_p, optimize_insn_for_size_p): Update.
 626         * basic-block.h (optimize_function_for_size_p,
 627         optimize_function_for_speed_p): Declare.
 628         * i386.md (optimize_size checks): Replace them by appropriate
 629         predicate.
 630         (standard_80387_constant_p, ix86_compute_frame_layout,
 631         ix86_expand_epilogue, ix86_decompose_address,
 632         print_operand, emit_i387_cw_initialization,
 633         inline_memory_move_cost, ix86_pad_returns,
 634         ix86_reorg): Replace optimize_size checks.
 635
 636 2008-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
 637
 638         * rtl.h (simplify_subreg_regno): Declare.
 639         * rtlanal.c (simplify_subreg_regno): New function, split out from...
 640         * simplify-rtx.c (simplify_subreg): ...here.
 641         * reload.c (find_reloads): Use simplify_subreg_regno instead of
 642         subreg_offset_representable_p.
 643
 644 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 645
 646         PR c/30949
 647         * c-typeck.c (convert_for_assignment): Give a note describing what
 648         was passed and what was expected.
 649
 650 2008-08-28  Joey Ye  <joey.ye@intel.com>
 651
 652         * doc/extend.texi: Document AVX built-in functions.
 653         * doc/invoke.texi: Document -mavx.
 654
 655 2008-08-28  H.J. Lu  <hongjiu.lu@intel.com>
 656             Joey Ye  <joey.ye@intel.com>
 657             Xuepeng Guo  <xuepeng.guo@intel.com>
 658
 659         * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64.
 660
 661         * config/i386/cpuid.h (bit_FMA): New.
 662         (bit_XSAVE): Likewise.
 663         (bit_OSXSAVE): Likewise.
 664         (bit_AVX): Likewise.
 665
 666         * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before
 667         define.  Use ASM_OUTPUT_AVX_PREFIX.
 668
 669         * config/i386/gmmintrin.h: New.
 670
 671         * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS.
 672         (OPTION_MASK_ISA_AVX_SET): New.
 673         (OPTION_MASK_ISA_FMA_SET): Likewise.
 674         (OPTION_MASK_ISA_AVX_UNSET): Likewise.
 675         (OPTION_MASK_ISA_FMA_SET): Likewise.
 676         (OPTION_MASK_ISA_SSE4_2_UNSET): Updated.
 677         (ix86_handle_option): Handle OPT_mavx and OPT_mfma.
 678         (pta_flags): Add PTA_AVX and PTA_FMA.
 679         (override_options): Handle PTA_AVX and PTA_FMA.
 680         (init_cumulative_args): Handle warn_avx.
 681         (classify_argument): Return 0 for COImode and OImode.  Return
 682         1 and X86_64_AVX_CLASS for 256bit vector types.
 683         (examine_argument): Handle X86_64_AVX_CLASS.
 684         (construct_container): Likewise.
 685         (function_arg_advance_32): Pass OImode and 256bit vector types
 686         in AVX register.
 687         (function_arg_advance_64): Take a new argument to indicate if a
 688         parameter is named.  Handle 256bit vector types.  Return
 689         immediately for unnamed 256bit vector mode parameters.
 690         (function_arg_advance): Updated.
 691         (function_arg_32): Add comments for TImode.  Handle OImode
 692         and 256bit vector types.
 693         (function_arg_64): Take a new argument to indicate if a
 694         parameter is named.  Handle 256bit vector types.  Return NULL
 695         for unnamed 256bit vector mode parameters.
 696         (function_arg): Updated.
 697         (setup_incoming_varargs_64): Support
 698         AVX encoding for *sse_prologue_save_insn.
 699         (ix86_gimplify_va_arg): Handle 256bit vector mode parameters.
 700         (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't
 701         enabled.  For all 1s in 256bit vector modes, return 3 if AVX is
 702         enabled, otherwise return -3.
 703         (standard_sse_constant_opcode): Handle AVX and 256bit vector
 704         modes.
 705         (print_reg): Support AVX registers.  Handle 'x' and 't'.
 706         Handle 'd' to duplicate the operand.
 707         (print_operand): Likewise.  Also support AVX vector compare
 708         instructions.
 709         (output_387_binary_op): Support AVX.
 710         (output_fp_compare): Likewise.
 711         (ix86_expand_vector_move_misalign): Likewise.
 712         (ix86_attr_length_vex_default): New.
 713         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
 714         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
 715         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
 716         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
 717         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256,
 718         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
 719         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256,
 720         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256,
 721         IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256,
 722         IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256,
 723         IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256,
 724         IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256,
 725         IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256,
 726         IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256,
 727         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
 728         IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256,
 729         IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256,
 730         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
 731         IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256,
 732         IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256,
 733         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
 734         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
 735         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
 736         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256,
 737         IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256,
 738         IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER,
 739         IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD,
 740         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
 741         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD,
 742         IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256,
 743         IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD,
 744         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256,
 745         IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256,
 746         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
 747         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
 748         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
 749         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256,
 750         IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256,
 751         IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256,
 752         IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256,
 753         IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256,
 754         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD,
 755         IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD,
 756         IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256,
 757         IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256,
 758         IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256,
 759         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
 760         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
 761         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
 762         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
 763         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
 764         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
 765         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
 766         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
 767         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
 768         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
 769         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
 770         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
 771         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
 772         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
 773         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
 774         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
 775         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
 776         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256
 777         and IX86_BUILTIN_MOVMSKPS256,
 778         (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR,
 779         V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF,
 780         V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF,
 781         V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF,
 782         V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI,
 783         VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF,
 784         VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF,
 785         VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF,
 786         (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST,
 787         INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST,
 788         INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST,
 789         INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI,
 790         V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF,
 791         V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF,
 792         V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF,
 793         V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF,
 794         V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI,
 795         V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI,
 796         V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI,
 797         V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT,
 798         V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT,
 799         V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF,
 800         V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT,
 801         V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT,
 802         V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT,
 803         V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
 804         (bdesc_special_args): Add IX86_BUILTIN_VZEROALL,
 805         IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64,
 806         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
 807         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
 808         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256,
 809         IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256,
 810         IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256,
 811         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256,
 812         IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS,
 813         IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256,
 814         IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS,
 815         IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256.
 816         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
 817         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
 818         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
 819         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
 820         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256,
 821         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256,
 822         IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256,
 823         IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256,
 824         IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256,
 825         IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256,
 826         IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256,
 827         IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256,
 828         IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256,
 829         IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD,
 830         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
 831         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256,
 832         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
 833         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256,
 834         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
 835         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
 836         IX86_BUILTIN_CMPPS,
 837         IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256,
 838         IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256,
 839         IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256,
 840         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
 841         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
 842         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
 843         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256,
 844         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
 845         IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS,
 846         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
 847         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS,
 848         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
 849         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
 850         IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256,
 851         IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256,
 852         IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256,
 853         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
 854         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
 855         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
 856         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
 857         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
 858         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
 859         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
 860         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
 861         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
 862         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
 863         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
 864         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
 865         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
 866         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
 867         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
 868         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
 869         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
 870         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and
 871         IX86_BUILTIN_MOVMSKPS256.
 872         (ix86_init_mmx_sse_builtins): Support AVX builtins.
 873         (ix86_expand_args_builtin): Likewise.
 874         (ix86_expand_special_args_builtin): Likewise.
 875         (ix86_hard_regno_mode_ok): Handle AVX modes.
 876         (ix86_expand_vector_init_duplicate): Likewise.
 877         (ix86_expand_vector_init_one_nonzero): Likewise.
 878         (ix86_expand_vector_init_one_var): Likewise.
 879         (ix86_expand_vector_init_concat): Likewise.
 880         (ix86_expand_vector_init_general): Likewise.
 881         (ix86_expand_vector_set): Likewise.
 882         (ix86_vector_mode_supported_p): Likewise.
 883         (x86_extended_reg_mentioned_p): Check INSN_P before using
 884         PATTERN.
 885
 886         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
 887         OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA.
 888
 889         * config/i386/i386.h (TARGET_AVX): New.
 890         (TARGET_FMA): Likewise.
 891         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA.
 892         (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX.
 893         (VALID_AVX256_REG_MODE): New.
 894         (AVX256_VEC_FLOAT_MODE_P): Likewise.
 895         (AVX_FLOAT_MODE_P): Likewise.
 896         (AVX128_VEC_FLOAT_MODE_P): Likewise.
 897         (AVX256_VEC_FLOAT_MODE_P): Likewise.
 898         (AVX_VEC_FLOAT_MODE_P): Likewise.
 899         (ASM_OUTPUT_AVX_PREFIX): Likewise.
 900         (ASM_OUTPUT_OPCODE): Likewise.
 901         (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer
 902         support.
 903         (SSE_REG_MODE_P): Allow 256bit vector modes.
 904         (ix86_args): Add a warn_avx field.
 905
 906         * config/i386/i386.md (UNSPEC_PCMP): New.
 907         (UNSPEC_VPERMIL): Likewise.
 908         (UNSPEC_VPERMIL2): Likewise.
 909         (UNSPEC_VPERMIL2F128): Likewise.
 910         (UNSPEC_MASKLOAD): Likewise.
 911         (UNSPEC_MASKSTORE): Likewise.
 912         (UNSPEC_CAST): Likewise.
 913         (UNSPEC_VTESTP): Likewise.
 914         (UNSPECV_VZEROALL): Likewise.
 915         (UNSPECV_VZEROUPPER): Likewise.
 916         (XMM0_REG): Likewise.
 917         (XMM1_REG): Likewise.
 918         (XMM2_REG): Likewise.
 919         (XMM3_REG): Likewise.
 920         (XMM4_REG): Likewise.
 921         (XMM5_REG): Likewise.
 922         (XMM6_REG): Likewise.
 923         (XMM8_REG): Likewise.
 924         (XMM9_REG): Likewise.
 925         (XMM10_REG): Likewise.
 926         (XMM11_REG): Likewise.
 927         (XMM12_REG): Likewise.
 928         (XMM13_REG): Likewise.
 929         (XMM14_REG): Likewise.
 930         (XMM15_REG): Likewise.
 931         (prefix): Likewise.
 932         (prefix_vex_imm8): Likewise.
 933         (prefix_vex_w): Likewise.
 934         (length_vex): Likewise.
 935         (maxmin): Likewise.
 936         (movoi): Likewise.
 937         (*avx_ashlti3): Likewise.
 938         (*avx_lshrti3): Likewise.
 939         (*avx_setcc<mode>): Likewise.
 940         (*fop_<mode>_comm_mixed_avx): Likewise.
 941         (*fop_<mode>_comm_avx): Likewise.
 942         (*fop_<mode>_1_mixed_avx): Likewise.
 943         (*fop_<mode>_1_avx): Likewise.
 944         (*avx_<code><mode>3): Likewise.
 945         (*avx_ieee_smin<mode>3): Likewise.
 946         (*avx_ieee_smax<mode>3): Likewise.
 947         (mode): Add OI, V8SF and V4DF.
 948         (length): Support VEX prefix.
 949         (*cmpfp_i_mixed): Set prefix attribute.
 950         (*cmpfp_i_sse): Likewise.
 951         (*cmpfp_iu_mixed): Likewise.
 952         (*cmpfp_iu_sse): Likewise.
 953         (*movsi_1): Support AVX.
 954         (*movdi_2): Likewise.
 955         (*movdi_1_rex64): Likewise.
 956         (*movti_internal): Likewise.
 957         (*movti_rex64): Likewise.
 958         (*movsf_1): Likewise.
 959         (*movdf_nointeger): Likewise.
 960         (*movdf_integer_rex64): Likewise.
 961         (*movtf_internal): Likewise.
 962         (zero_extendsidi2_32): Likewise.
 963         (zero_extendsidi2_rex64): Likewise.
 964         (*extendsfdf2_mixed): Likewise.
 965         (*extendsfdf2_sse): Likewise.
 966         (*truncdfsf_fast_mixed): Likewise.
 967         (*truncdfsf_fast_sse): Likewise.
 968         (*truncdfsf_mixed): Likewise.
 969         (fix_trunc<mode>di_sse): Likewise.
 970         (fix_trunc<mode>si_sse): Likewise.
 971         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
 972         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
 973         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
 974         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
 975         (*rcpsf2_sse): Likewise.
 976         (*rsqrtsf2_sse): Likewise.
 977         (*sqrt<mode>2_sse): Likewise.
 978         (sse4_1_round<mode>2): Likewise.
 979         (*sse_prologue_save_insn): Disallow REX prefix for AVX.
 980         Support AVX.  Set length attribute properly for AVX.
 981
 982         * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New.
 983         (VECTOR_MODES (FLOAT, 32)): Likewise.
 984         (VECTOR_MODE (INT, DI, 8)): Likewise.
 985         (VECTOR_MODE (INT, HI, 32)): Likewise.
 986         (VECTOR_MODE (INT, QI, 64)): Likewise.
 987         (VECTOR_MODE (FLOAT, DF, 8)): Likewise.
 988         (VECTOR_MODE (FLOAT, SF, 16)): Likewise.
 989         (VECTOR_MODE (INT, DI, 4)): Removed.
 990         (VECTOR_MODE (INT, SI, 8)): Likewise.
 991         (VECTOR_MODE (INT, HI, 16)): Likewise.
 992         (VECTOR_MODE (INT, QI, 32)): Likewise.
 993         (VECTOR_MODE (FLOAT, SF, 8)): Likewise.
 994         (INT_MODE (OI, 32)): Likewise.
 995
 996         * config/i386/i386.opt (mavx): New.
 997         (mfma): Likewise.
 998
 999         * config/i386/i386-protos.h (ix86_attr_length_vex_default): New.
1000
1001         * config/i386/mmx.md (*mov<mode>_internal_rex64): Support AVX.
1002         (*mov<mode>_internal_avx): New.
1003         (*movv2sf_internal_rex64_avx): Likewise.
1004         (*movv2sf_internal_avx): Likewise.
1005
1006         * config/i386/predicates.md (const_4_to_5_operand): New.
1007         (const_6_to_7_operand): Likewise.
1008         (const_8_to_11_operand): Likewise.
1009         (const_12_to_15_operand): Likewise.
1010         (avx_comparison_float_operator): Likewise.
1011
1012         * config/i386/sse.md (AVX256MODEI): New.
1013         (AVX256MODE): Likewise.
1014         (AVXMODEQI): Likewise.
1015         (AVXMODE): Likewise.
1016         (AVX256MODEF2P): Likewise.
1017         (AVX256MODE2P): Likewise.
1018         (AVX256MODE4P): Likewise.
1019         (AVX256MODE8P): Likewise.
1020         (AVXMODEF2P): Likewise.
1021         (AVXMODEF4P): Likewise.
1022         (AVXMODEDCVTDQ2PS): Likewise.
1023         (AVXMODEDCVTPS2DQ): Likewise.
1024         (avxvecmode): Likewise.
1025         (avxvecpsmode): Likewise.
1026         (avxhalfvecmode): Likewise.
1027         (avxscalarmode): Likewise.
1028         (avxcvtvecmode): Likewise.
1029         (avxpermvecmode): Likewise.
1030         (avxmodesuffixf2c): Likewise.
1031         (avxmodesuffixp): Likewise.
1032         (avxmodesuffixs): Likewise.
1033         (avxmodesuffix): Likewise.
1034         (vpermilbits): Likewise.
1035         (pinsrbits): Likewise.
1036         (mov<mode>): Likewise.
1037         (*mov<mode>_internal): Likewise.
1038         (push<mode>1): Likewise.
1039         (movmisalign<mode>): Likewise.
1040         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1041         (avx_movdqu<avxmodesuffix>): Likewise.
1042         (avx_lddqu<avxmodesuffix>): Likewise.
1043         (<plusminus_insn><mode>3): Likewise.
1044         (*avx_<plusminus_insn><mode>3): Likewise.
1045         (*avx_vm<plusminus_insn><mode>3): Likewise.
1046         (mul<mode>3): Likewise.
1047         (*avx_mul<mode>3): Likewise.
1048         (*avx_vmmul<mode>3): Likewise.
1049         (divv8sf3): Likewise.
1050         (divv4df3): Likewise.
1051         (avx_div<mode>3): Likewise.
1052         (*avx_div<mode>3): Likewise.
1053         (*avx_vmdiv<mode>3): Likewise.
1054         (avx_rcpv8sf2): Likewise.
1055         (*avx_vmrcpv4sf2): Likewise.
1056         (sqrtv8sf2): Likewise.
1057         (avx_sqrtv8sf2): Likewise.
1058         (*avx_vmsqrt<mode>2): Likewise.
1059         (rsqrtv8sf2): Likewise.
1060         (avx_rsqrtv8sf2): Likewise.
1061         (*avx_vmrsqrtv4sf2): Likewise.
1062         (<code><mode>3): Likewise.
1063         (*avx_<code><mode>3_finite): Likewise.
1064         (*avx_<code><mode>3): Likewise.
1065         (*avx_vm<code><mode>3): Likewise.
1066         (*avx_ieee_smin<mode>3): Likewise.
1067         (*avx_ieee_smax<mode>3): Likewise.
1068         (avx_addsubv8sf3): Likewise.
1069         (avx_addsubv4df3): Likewise.
1070         (*avx_addsubv4sf3): Likewise.
1071         (*avx_addsubv2df3): Likewise.
1072         (avx_h<plusminus_insn>v4df3): Likewise.
1073         (avx_h<plusminus_insn>v8sf3): Likewise.
1074         (*avx_h<plusminus_insn>v4sf3): Likewise.
1075         (*avx_h<plusminus_insn>v2df3): Likewise.
1076         (avx_cmpp<avxmodesuffixf2c><mode>3): Likewise.
1077         (avx_cmps<ssemodesuffixf2c><mode>3): Likewise.
1078         (*avx_maskcmp<mode>3): Likewise.
1079         (avx_nand<mode>3): Likewise.
1080         (*avx_<code><mode>3): Likewise.
1081         (*avx_nand<mode>3): Likewise.
1082         (*avx_<code><mode>3): Likewise.
1083         (*avx_cvtsi2ss): Likewise.
1084         (*avx_cvtsi2ssq): Likewise.
1085         (*avx_cvtsi2sd): Likewise.
1086         (*avx_cvtsi2sdq): Likewise.
1087         (*avx_cvtsd2ss): Likewise.
1088         (avx_cvtss2sd): Likewise.
1089         (avx_cvtdq2ps<avxmodesuffix>): Likewise.
1090         (avx_cvtps2dq<avxmodesuffix>): Likewise.
1091         (avx_cvttps2dq<avxmodesuffix>): Likewise.
1092         (*avx_cvtsi2sd): Likewise.
1093         (*avx_cvtsi2sdq): Likewise.
1094         (avx_cvtdq2pd256): Likewise.
1095         (avx_cvtpd2dq256): Likewise.
1096         (avx_cvttpd2dq256): Likewise.
1097         (*avx_cvtsd2ss): Likewise.
1098         (*avx_cvtss2sd): Likewise.
1099         (avx_cvtpd2ps256): Likewise.
1100         (avx_cvtps2pd256): Likewise.
1101         (*avx_movhlps): Likewise.
1102         (*avx_movlhps): Likewise.
1103         (avx_unpckhps256): Likewise.
1104         (*avx_unpckhps): Likewise.
1105         (avx_unpcklps256): Likewise.
1106         (*avx_unpcklps): Likewise.
1107         (avx_movshdup256): Likewise.
1108         (avx_movsldup256): Likewise.
1109         (avx_shufps256): Likewise.
1110         (avx_shufps256_1): Likewise.
1111         (*avx_shufps_<mode>): Likewise.
1112         (*avx_loadhps): Likewise.
1113         (*avx_storelps): Likewise.
1114         (*avx_loadlps): Likewise.
1115         (*avx_movss): Likewise.
1116         (*vec_dupv4sf_avx): Likewise.
1117         (*vec_concatv2sf_avx): Likewise.
1118         (*vec_concatv4sf_avx): Likewise.
1119         (*vec_setv4sf_0_avx): Likewise.
1120         (*vec_setv4sf_avx): Likewise.
1121         (*avx_insertps): Likewise.
1122         (avx_vextractf128<mode>): Likewise.
1123         (vec_extract_lo_<mode>): Likewise.
1124         (vec_extract_hi_<mode>): Likewise.
1125         (vec_extract_lo_<mode>): Likewise.
1126         (vec_extract_hi_<mode>): Likewise.
1127         (vec_extract_lo_v16hi): Likewise.
1128         (vec_extract_hi_v16hi): Likewise.
1129         (vec_extract_lo_v32qi): Likewise.
1130         (vec_extract_hi_v32qi): Likewise.
1131         (avx_unpckhpd256): Likewise.
1132         (*avx_unpckhpd): Likewise.
1133         (avx_movddup256): Likewise.
1134         (*avx_movddup): Likewise.
1135         (avx_unpcklpd256): Likewise.
1136         (*avx_unpcklpd): Likewise.
1137         (avx_shufpd256): Likewise.
1138         (avx_shufpd256_1): Likewise.
1139         (*avx_punpckhqdq): Likewise.
1140         (*avx_punpcklqdq): Likewise.
1141         (*avx_shufpd_<mode>): Likewise.
1142         (*avx_storehpd): Likewise.
1143         (*avx_loadhpd): Likewise.
1144         (*avx_loadlpd): Likewise.
1145         (*avx_movsd): Likewise.
1146         (*vec_concatv2df_avx): Likewise.
1147         (*avx_<plusminus_insn><mode>3): Likewise.
1148         (*avx_<plusminus_insn><mode>3): Likewise.
1149         (*avx_mulv8hi3): Likewise.
1150         (*avxv8hi3_highpart): Likewise.
1151         (*avx_umulv8hi3_highpart): Likewise.
1152         (*avx_umulv2siv2di3): Likewise.
1153         (*avx_mulv2siv2di3): Likewise.
1154         (*avx_pmaddwd): Likewise.
1155         (*avx_mulv4si3): Likewise.
1156         (*avx_ashr<mode>3): Likewise.
1157         (*avx_lshr<mode>3): Likewise.
1158         (*avx_ashl<mode>3): Likewise.
1159         (*avx_<code><mode>3): Likewise.
1160         (*avx_eq<mode>3): Likewise.
1161         (*avx_gt<mode>3): Likewise.
1162         (*avx_nand<mode>3): Likewise.
1163         (*avx_nand<mode>3): Likewise.
1164         (*avx_<code><mode>3): Likewise.
1165         (*avx_<code><mode>3): Likewise.
1166         (*avx_packsswb): Likewise.
1167         (*avx_packssdw): Likewise.
1168         (*avx_packuswb): Likewise.
1169         (*avx_punpckhbw): Likewise.
1170         (*avx_punpcklbw): Likewise.
1171         (*avx_punpckhwd): Likewise.
1172         (*avx_punpcklwd): Likewise.
1173         (*avx_punpckhdq): Likewise.
1174         (*avx_punpckldq): Likewise.
1175         (*avx_pinsr<avxmodesuffixs>): Likewise.
1176         (*avx_pinsrq): Likewise.
1177         (*avx_loadld): Likewise.
1178         (*vec_extractv2di_1_rex64_avx): Likewise.
1179         (*vec_extractv2di_1_avx): Likewise.
1180         (*vec_dupv2di_avx): Likewise.
1181         (*vec_concatv2si_avx): Likewise.
1182         (*vec_concatv4si_1_avx): Likewise.
1183         (*vec_concatv2di_avx): Likewise.
1184         (*vec_concatv2di_rex64_avx): Likewise.
1185         (*avx_uavgv16qi3): Likewise.
1186         (*avx_uavgv8hi3): Likewise.
1187         (*avx_psadbw): Likewise.
1188         (avx_movmskp<avxmodesuffixf2c>256): Likewise.
1189         (*avx_phaddwv8hi3): Likewise.
1190         (*avx_phadddv4si3): Likewise.
1191         (*avx_phaddswv8hi3): Likewise.
1192         (*avx_phsubwv8hi3): Likewise.
1193         (*avx_phsubdv4si3): Likewise.
1194         (*avx_phsubswv8hi3): Likewise.
1195         (*avx_pmaddubsw128): Likewise.
1196         (*avx_pmulhrswv8hi3): Likewise.
1197         (*avx_pshufbv16qi3): Likewise.
1198         (*avx_psign<mode>3): Likewise.
1199         (*avx_palignrti): Likewise.
1200         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1201         (avx_blendvp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1202         (avx_dpp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1203         (*avx_mpsadbw): Likewise.
1204         (*avx_packusdw): Likewise.
1205         (*avx_pblendvb): Likewise.
1206         (*avx_pblendw): Likewise.
1207         (avx_vtestp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1208         (avx_ptest256): Likewise.
1209         (avx_roundp<avxmodesuffixf2c>256): Likewise.
1210         (*avx_rounds<ssemodesuffixf2c>): Likewise.
1211         (*avx_aesenc): Likewise.
1212         (*avx_aesenclast): Likewise.
1213         (*avx_aesdec): Likewise.
1214         (*avx_aesdeclast): Likewise.
1215         (avx_vzeroupper): Likewise.
1216         (avx_vzeroupper_rex64): Likewise.
1217         (avx_vpermil<mode>): Likewise.
1218         (avx_vpermilvar<mode>3): Likewise.
1219         (avx_vpermil2<mode>3): Likewise.
1220         (avx_vperm2f128<mode>3): Likewise.
1221         (avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1222         (avx_vbroadcastss256): Likewise.
1223         (avx_vbroadcastf128_p<avxmodesuffixf2c>256): Likewise.
1224         (avx_vinsertf128<mode>): Likewise.
1225         (vec_set_lo_<mode>): Likewise.
1226         (vec_set_hi_<mode>): Likewise.
1227         (vec_set_lo_<mode>): Likewise.
1228         (vec_set_hi_<mode>): Likewise.
1229         (vec_set_lo_v16hi): Likewise.
1230         (vec_set_hi_v16hi): Likewise.
1231         (vec_set_lo_v32qi): Likewise.
1232         (vec_set_hi_v32qi): Likewise.
1233         (avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1234         (avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1235         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
1236         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Likewise.
1237         (vec_init<mode>): Likewise.
1238         (*vec_concat<mode>_avx): Likewise.
1239         (blendbits): Support V8SF and V4DF.
1240         (sse2_movq128): Support AVX.
1241         (<sse>_movnt<mode>): Likewise.
1242         (sse2_movntv2di): Likewise.
1243         (sse_rcpv4sf2): Likewise.
1244         (sse_sqrtv4sf2): Likewise.
1245         (sse_rsqrtv4sf2): Likewise.
1246         (<sse>_comi): Likewise.
1247         (<sse>_ucomi): Likewise.
1248         (sse_cvtss2si): Likewise.
1249         (sse_cvtss2si_2): Likewise.
1250         (sse_cvtss2siq): Likewise.
1251         (sse_cvtss2siq_2): Likewise.
1252         (sse_cvttss2si): Likewise.
1253         (sse_cvttss2siq): Likewise.
1254         (sse2_cvtsd2si): Likewise.
1255         (sse2_cvtsd2si_2): Likewise.
1256         (sse2_cvtsd2siq): Likewise.
1257         (sse2_cvtsd2siq_2): Likewise.
1258         (sse2_cvttsd2si): Likewise.
1259         (sse2_cvttsd2siq): Likewise.
1260         (sse2_cvtdq2pd): Likewise.
1261         (*sse2_cvtpd2dq): Likewise.
1262         (*sse2_cvttpd2dq): Likewise.
1263         (*sse2_cvtpd2ps): Likewise.
1264         (sse2_cvtps2pd): Likewise.
1265         (sse3_movshdup): Likewise.
1266         (sse3_movsldup): Likewise.
1267         (sse_storehps): Likewise.
1268         (*sse4_1_extractps): Likewise.
1269         (sse2_storelpd): Likewise.
1270         (vec_dupv2df_sse3): Likewise.
1271         (*vec_concatv2df_sse3): Likewise.
1272         (*sse4_1_pextrb): Likewise.
1273         (*sse4_1_pextrb_memory): Likewise.
1274         (*sse2_pextrw): Likewise.
1275         (*sse4_1_pextrw_memory): Likewise.
1276         (*sse4_1_pextrd): Likewise.
1277         (*sse4_1_pextrq): Likewise.
1278         (sse2_pshufd_1): Likewise.
1279         (sse2_pshuflw_1): Likewise.
1280         (sse2_pshufhw_1): Likewise.
1281         (*sse2_storeq_rex64): Likewise.
1282         (*vec_dupv4si): Likewise.
1283         (<sse>_movmskp<ssemodesuffixf2c>): Likewise.
1284         (sse2_pmovmskb): Likewise.
1285         (*sse2_maskmovdqu): Likewise.
1286         (*sse2_maskmovdqu_rex64): Likewise.
1287         (sse_ldmxcsr): Likewise.
1288         (sse_stmxcsr): Likewise.
1289         (abs<mode>2): Likewise.
1290         (sse4_1_movntdqa): Likewise.
1291         (sse4_1_phminposuw): Likewise.
1292         (sse4_1_extendv8qiv8hi2): Likewise.
1293         (*sse4_1_extendv8qiv8hi2): Likewise.
1294         (sse4_1_extendv4qiv4si2): Likewise.
1295         (*sse4_1_extendv4qiv4si2): Likewise.
1296         (sse4_1_extendv2qiv2di2): Likewise.
1297         (*sse4_1_extendv2qiv2di2): Likewise.
1298         (sse4_1_extendv4hiv4si2): Likewise.
1299         (*sse4_1_extendv4hiv4si2): Likewise.
1300         (sse4_1_extendv2hiv2di2): Likewise.
1301         (*sse4_1_extendv2hiv2di2): Likewise.
1302         (sse4_1_extendv2siv2di2): Likewise.
1303         (*sse4_1_extendv2siv2di2): Likewise.
1304         (sse4_1_zero_extendv8qiv8hi2): Likewise.
1305         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
1306         (sse4_1_zero_extendv4qiv4si2): Likewise.
1307         (*sse4_1_zero_extendv4qiv4si2): Likewise.
1308         (sse4_1_zero_extendv2qiv2di2): Likewise.
1309         (*sse4_1_zero_extendv2qiv2di2): Likewise.
1310         (sse4_1_zero_extendv4hiv4si2): Likewise.
1311         (*sse4_1_zero_extendv4hiv4si2): Likewise.
1312         (sse4_1_zero_extendv2hiv2di2): Likewise.
1313         (*sse4_1_zero_extendv2hiv2di2): Likewise.
1314         (sse4_1_zero_extendv2siv2di2): Likewise.
1315         (*sse4_1_zero_extendv2siv2di2): Likewise.
1316         (sse4_1_ptest): Likewise.
1317         (sse4_1_roundp<ssemodesuffixf2c>): Likewise.
1318         (sse4_2_pcmpestri): Likewise.
1319         (sse4_2_pcmpestrm): Likewise.
1320         (sse4_2_pcmpistri): Likewise.
1321         (sse4_2_pcmpistrm): Likewise.
1322         (aesimc): Likewise.
1323         (aeskeygenassist): Likewise.
1324
1325 2008-08-28  Uros Bizjak  <ubizjak@gmail.com>
1326
1327         * config/i386/predicates.md (vzeroall_operation): New.
1328
1329         * config/i386/sse.md (avx_vzeroall): New.
1330         (*avx_vzeroall): Likewise.
1331
1332 2008-08-28  Paul Brook  <paul@codesourcery.com>
1333             Mark Shinwell  <shinwell@codesourcery.com>
1334             Richard Earnshaw  <richard.earnshaw@arm.com>
1335
1336         * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New.
1337         (TARGET_MIN_ANCHOR_OFFSET): New.
1338         (arm_override_options): Set correct anchor ranges for Thumb-1
1339         and Thumb-2 if required.
1340         (legitimize_pic_address): Handle case involving a TLS symbol
1341         reference with an addend.
1342         (arm_optimization_options): Enable section anchors at -O1 and
1343         above.
1344         * config/arm/arm.h (OPTIMIZATION_OPTIONS): New.
1345         * config/arm/arm-protos.h (arm_optimization_options): New.
1346
1347 2008-08-28  Nick Clifton  <nickc@redhat.com>
1348
1349         * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define.
1350         * config/stormy16/stormy16.md (zero_extendqihi2): Fix length
1351         attribute.
1352
1353         * config/v850/v850.h (IRA_COVER_CLASSES): Define.
1354         * config/v850/v850.md (return): Remove frame size restriction.
1355
1356         * config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
1357
1358         * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define.
1359
1360         * config/fr30/fr30.h (IRA_COVER_CLASSES): Define.
1361
1362         * config/m32r/m32r.h (IRA_COVER_CLASSES): Define.
1363
1364 2008-08-28  Paul Brook  <paul@codesourcery.com>
1365
1366         * config/arm/vfp11.md: Update license notice.
1367         * config/arm/cortex-r4.md: Ditto.
1368
1369 2008-08-28  Richard Guenther  <rguenther@suse.de>
1370
1371         PR tree-optimization/37207
1372         * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix
1373         tuplification bug.
1374
1375 2008-08-28  Dodji Seketeli  <dodji@redhat.com>
1376
1377         PR c++/36741
1378         * tree.c (int_fits_type_p): Don't forget unsigned integers
1379           of type sizetype which higher end word equals -1.
1380
1381 2008-08-28  Ira Rosen  <irar@il.ibm.com>
1382
1383         * target.h (struct vectorize): Add new target builtin.
1384         * tree-vectorizer.c (destroy_loop_vec_info): Call
1385         vect_free_slp_instance instead of vect_free_slp_node.
1386         * tree-vectorizer.h (enum slp_load_perm_type): New.
1387         (struct _slp_instance): Add new fields.
1388         (SLP_INSTANCE_LOAD_PERMUTATION): New.
1389         (SLP_INSTANCE_LOADS): New.
1390         (vect_free_slp_tree): Remove.
1391         (vect_free_slp_instance): Declare.
1392         (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
1393         (vectorizable_load): Add argument.
1394         (vect_transform_slp_perm_load): New.
1395         * tree-vect-analyze.c (vect_analyze_operations): Add an argument to
1396         vectorizable_load.
1397         (vect_get_place_in_interleaving_chain): New function.
1398         (vect_free_slp_tree): Make static.
1399         (vect_free_slp_instance): New function.
1400         (vect_build_slp_tree): Add new arguments. Allow load permutations and
1401         collect the load location in the interleaving chain.
1402         (vect_supported_slp_permutation_p): New function.
1403         (vect_supported_load_permutation_p): Likewise.
1404         (vect_analyze_slp_instance): In case of loads permutation, call
1405         vect_supported_load_permutation_p to check that the permutation is
1406         supported.
1407         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
1408         * tree-vect-transform.c (vect_transform_stmt): Add new argument.
1409         (vect_create_mask_and_perm): New function.
1410         (vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
1411         (vectorizable_load): Add an argument. Don't keep the created vectors
1412         statements in the node if permutation is required. Call
1413         vect_transform_slp_perm_load to generate the permutation.
1414         (vect_transform_stmt): Add new argument. Call vectorizable_load with
1415         additional argument.
1416         (vect_schedule_slp_instance): In case of loads permutation, allocate
1417         vectorized statements structure for all the related SLP nodes. Call
1418         vect_transform_stmt with addditional argument.
1419         (vect_transform_loop): Call vect_transform_stmt with correct arguments.
1420         * config/spu/spu.c (spu_builtin_vec_perm): New.
1421         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1422         * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
1423         * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
1424         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1425
1426 2008-08-28  Chris Fairles  <chris.fairles@gmail.com>
1427
1428         * gthr-posix.h (__gthread_create,  __gthread_join, __gthread_detach,
1429         __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock,
1430         __gthread_cond_signal, __gthread_cond_timedwait,
1431         __gthread_cond_timedwait_recursive): New functions.
1432         * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait):
1433         Likewise.
1434         * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming
1435         thread interfaces.
1436
1437 2008-08-28  Richard Guenther  <rguenther@suse.de>
1438
1439         PR middle-end/37005
1440         * fold-const.c (maybe_canonicalize_comparison_1): Require
1441         undefined overflow only for canonicalizing A +- CST cmp CST.
1442         Make sure to not generate new constants that are not inside
1443         their TYPE_MIN/MAX_VALUE range.
1444         (maybe_canonicalize_comparison): Remove undefined overflow
1445         checking from here.
1446         (fold_binary): Remove now duplicate folding.
1447
1448 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1449
1450         * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT
1451         use not updated in the last change.
1452
1453 2008-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
1454
1455         * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS.
1456         (IRA_COVER_CLASSES): Add FPUL_REGS.
1457
1458 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1459
1460         PR 37217
1461         * c-common.c (conversion_warning): Check for null operands.
1462
1463 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1464
1465         PR c/31673
1466         * c-decl.c (check_for_loop_decls): Improve error message. Give
1467         hint.
1468
1469 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1470
1471         PR c/37186
1472         * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter.
1473         (convert_for_assignment): Pass corrent OPT_W* parameter to
1474         WARN_FOR_ASSIGNMENT.
1475
1476 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1477
1478         PR c++/35321
1479         * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
1480
1481 2008-08-27  Paul Brook  <paul@codesourcery.com>
1482
1483         * config.gcc: Loosen checks for arm uclinux eabi targets.
1484
1485 2008-08-27  Paul Brook  <paul@codesourcery.com>
1486
1487         * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on
1488         _clzsi2.
1489         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
1490
1491 2008-08-26  Douglas Gregor  <doug.gregor@gmail.com>
1492
1493         * c-common.c (do_switch_warnings): Look through the CONST_DECLs in
1494         the enumerators of an ENUMERAL_TYPE.
1495         * dbxout.c (dbxout_type): Ditto.
1496
1497 2008-08-26  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1498
1499         PR rtl-opt/37219
1500         * fwprop.c (fwprop): Check that the loop_father is the outer loop.
1501         (fwprop_addr): Check that the loop_father is not the outer loop.
1502
1503 2008-08-26  Paul Brook  <paul@codesourcery.com>
1504
1505         * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types.
1506         Remove documentation entry for fmul type.
1507         Use fmuls to annotate single-precision multiplication patterns,
1508         fmuld to annotate double-precision multiplication patterns,
1509         fmacs to annotate single-precision multiply-accumulate patterns
1510         and fmacd to annotate double-precision multiply-accumulate patterns.
1511         * config/arm/vfp11.md: Update reservations accordingly.
1512         * config/arm/arm.md: Note that certain values of the "type"
1513         attribute are documented in vfp.md.
1514         * config/arm/arm1020e.md: Remove out of date duplicate comment.
1515         (v10_cvt): Use new fmul types.
1516
1517 2008-08-26  Paul Brook   <paul@codesourcery.com>
1518
1519         * config/arm/vfp.md: Move pipeline description for VFP11 to...
1520         * config/arm/vfp11.md: ...here.  New.
1521         * config/arm/arm.md: Include vfp11.md.
1522
1523 2008-08-26  Hans-Peter Nilsson  <hp@axis.com>
1524
1525         * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing
1526         parameter to inform call.
1527
1528 2008-08-26  Jeff Law  <law@redhat.com>
1529
1530         * mn10300.md (movqi, movhi): Split i->d*a case into two cases to
1531         avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
1532         preferred class when copying a constant into a partial word register.
1533
1534 2008-08-26  Ben Elliston  <bje@au.ibm.com>
1535
1536         * rtlanal.c: Fix uses of "it's" with "its" where appropriate.
1537         * cp/typeck.c: Likewise.
1538         * cp/tree.c: Likewise.
1539         * gimple-low.c: Likewise.
1540         * jump.c: Likewise.
1541
1542 2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>
1543
1544         * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
1545         ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
1546
1547         * doc/passes.texi: Describe IRA.
1548
1549         * doc/tm.texi (IRA_COVER_CLASSES,
1550         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
1551
1552         * doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
1553         (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
1554         -fira-propagate-cost, -fno-ira-share-save-slots,
1555         -fno-ira-share-spill-slots, -fira-verbose): Describe new options.
1556
1557         * flags.h (ira_algorithm): New enumeration.
1558         (flag_ira_algorithm, flag_ira_verbose): New external variable
1559         declarations.
1560
1561         * postreload.c (gate_handle_postreload): Don't do post reload
1562         optimizations unless the reload is completed.
1563
1564         * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
1565         IRA.
1566
1567         * tree-pass.h (pass_ira): New external variable declaration.
1568
1569         * reload.h: Add 2008 to the Copyright.
1570
1571         * cfgloopanal.c: Include params.h.
1572         (estimate_reg_pressure_cost): Decrease cost for IRA optimization
1573         mode.
1574
1575         * params.h (IRA_MAX_LOOPS_NUM): New macro.
1576
1577         * toplev.c (ira.h): New include.
1578         (flag_ira_algorithm, flag_ira_verbose): New external variables.
1579         (backend_init_target): Call ira_init.
1580         (backend_init): Call ira_init_once.
1581         (finalize): Call finish_ira_once.
1582
1583         * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
1584         flag_ira_share_save_slots, flag_ira_share_spill_slots): New
1585         external variables.
1586
1587         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1588         may_move_out_cost): New external variable declarations.
1589         (move_table): New typedef.
1590
1591         * caller-save.c: Include headers output.h and ira.h.
1592         (no_caller_save_reg_set): New global variable.
1593         (save_slots_num, save_slots): New variables.
1594         (reg_save_code, reg_restore_code, add_stored_regs): Add
1595         prototypes.
1596         (init_caller_save): Set up no_caller_save_reg_set.
1597         (init_save_areas): Reset save_slots_num.
1598         (saved_hard_reg): New structure.
1599         (hard_reg_map, saved_regs_num, all_saved_regs): New variables.
1600         (initiate_saved_hard_regs, new_saved_hard_reg,
1601         finish_saved_hard_regs, saved_hard_reg_compare_func): New
1602         functions.
1603         (setup_save_areas): Add code for sharing stack slots.
1604         (all_blocks): New variable.
1605         (save_call_clobbered_regs): Process pseudo-register too.
1606         (mark_set_regs): Process pseudo-register too.
1607         (insert_one_insn): Put the insn after bb note in a empty basic
1608         block.  Add insn check.
1609
1610         * global.c (eliminable_regset): Make it external.
1611         (mark_elimination): Use DF_LR_IN for IRA.
1612         (pseudo_for_reload_consideration_p): New.
1613         (build_insn_chain): Make it external.  Don't ignore spilled
1614         pseudos for IRA.  Use pseudo_for_reload_consideration_p.
1615         (gate_handle_global_alloc): New function.
1616         (pass_global_alloc): Add the gate function.
1617
1618         * opts.c (decode_options): Set up flag_ira.  Print the warning for
1619         -fira.
1620         (common_handle_option): Process -fira-algorithm and -fira-verbose.
1621
1622         * timevar.def (TV_IRA, TV_RELOAD): New passes.
1623
1624         * regmove.c (regmove_optimize): Don't do replacement of output for
1625         IRA.
1626
1627         * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
1628         New external variable declarations.
1629
1630         * local-alloc.c (update_equiv_regs): Make it external.  Return
1631         true if jump label rebuilding should be done.  Rescan new_insn for
1632         notes.
1633         (gate_handle_local_alloc): New function.
1634         (pass_local_alloc): Add the gate function.
1635
1636         * alias.c (value_addr_p, stack_addr_p): New functions.
1637         (nonoverlapping_memrefs_p): Use them for IRA.
1638
1639         * common.opt (fira, fira-algorithm, fira-coalesce,
1640         fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
1641         fira-verbose): New options.
1642
1643         * regclass.c (reg_class_subclasses, contains_reg_of_mode,
1644         move_cost, may_move_in_cost, may_move_out_cost): Make the
1645         variables external.
1646         (move_table): Remove typedef.
1647         (init_move_cost): Make it external.
1648         (allocate_reg_info, resize_reg_info, setup_reg_classes): New
1649         functions.
1650
1651         * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
1652         setup_reg_classes): New function prototypes.
1653         (eliminable_regset): New external variable declaration.
1654         (build_insn_chain, update_equiv_regs): New function prototypes.
1655
1656         * Makefile.in (IRA_INT_H): New definition.
1657         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1658         ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
1659         (reload1.o, toplev.o): Add dependence on ira.h.
1660         (cfgloopanal.o): Add PARAMS_H.
1661         (caller-save.o): Add dependence on output.h and ira.h.
1662         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1663         ira-emit.o, ira-lives.o): New entries.
1664
1665         * passes.c (pass_ira): New pass.
1666
1667         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
1668
1669         * reload1.c (ira.h): Include the header.
1670         (changed_allocation_pseudos): New bitmap.
1671         (init_reload): Initiate the bitmap.
1672         (compute_use_by_pseudos): Permits spilled registers in FROM.
1673         (temp_pseudo_reg_arr): New variable.
1674         (reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
1675         IRA.  Call alter_reg with the additional parameter.  Don't clear
1676         spilled_pseudos for IRA.  Restore original insn chain for IRA.
1677         Clear changed_allocation_pseudos at the end of reload.
1678         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
1679         (hard_regno_to_pseudo_regno): New variable.
1680         (count_pseudo): Check spilled pseudos.  Set up
1681         hard_regno_to_pseudo_regno.
1682         (count_spilled_pseudo): Check spilled pseudos. Update
1683         hard_regno_to_pseudo_regno.
1684         (find_reg): Use better_spill_reload_regno_p.  Check
1685         hard_regno_to_pseudo_regno.
1686         (alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
1687         code for IRA.
1688         (eliminate_regs_1): Use additional parameter for alter_reg.
1689         (finish_spills): Set up pseudo_previous_regs only for spilled
1690         pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
1691         more arguments.  Don't clear live_throughout and dead_or_set for
1692         spilled pseudos.  Use additional parameter for alter_reg.  Call
1693         mark_allocation_change.  Set up changed_allocation_pseudos.
1694         Remove sanity check.
1695         (emit_input_reload_insns, delete_output_reload): Use additional
1696         parameter for alter_reg.  Call mark_allocation_change.
1697         (substitute, gen_reload_chain_without_interm_reg_p): New
1698         functions.
1699         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
1700
1701         * testsuite/gcc.dg/20080410-1.c: New file.
1702
1703         * config/s390/s390.h (IRA_COVER_CLASSES,
1704         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
1705
1706         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1707
1708         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1709
1710         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1711
1712         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1713
1714         * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
1715
1716         * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
1717
1718         2008-08-24  Jeff Law  <law@redhat.com>
1719         * ira.c (setup_reg_class_intersect_union): Prefer smallest class
1720         when ignoring unavailable registers.
1721
1722         2008-08-24  Jeff Law  <law@redhat.com>
1723         * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
1724         FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
1725         * ira.c (setup_eliminable_regset): Check stack_realign_needed.
1726         * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
1727
1728         2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
1729         * ira-build.c (allocno_range_compare_func): Stabilize sort.
1730
1731         2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
1732         * config/avr/avr.h (IRA_COVER_CLASSES): New macro.
1733         * reload1.c (find_reg): Process registers in register allocation order.
1734
1735         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1736         * toplev.c (backend_init_target): Move ira_init call from
1737         here...
1738         (lang_dependent_init_target): ...to here.
1739
1740         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1741         * ira.c (setup_class_subset_and_memory_move_costs): Don't
1742         calculate memory move costs for NO_REGS.
1743
1744         2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
1745         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
1746         STACK_REGS is defined.
1747
1748         2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1749         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
1750
1751         2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
1752         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
1753
1754         2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
1755         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
1756         * config/sh/sh.md (movsicc_true+3): Check if emit returns a
1757         barrier.
1758
1759 2008-08-26  Victor Kaplansky  <victork@il.ibm.com>
1760             Dorit Nuzman  <dorit@il.ibm.com>
1761
1762         * gcc/config/spu/spu.md (vec_extract_evenv4si,
1763         vec_extract_evenv4sf, vec_extract_evenv8hi,
1764         vec_extract_evenv16qi, vec_extract_oddv4si,
1765         vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
1766         vec_interleave_highv4sf, vec_interleave_lowv4sf,
1767         vec_interleave_highv4si, vec_interleave_lowv4si,
1768         vec_interleave_highv8hi, vec_interleave_lowv8hi,
1769         vec_interleave_highv16qi, vec_interleave_lowv16qi,
1770         vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S
1771
1772 2008-08-25  Janis Johnson  <janis187@us.ibm.com>
1773
1774         PR target/36756
1775         * config/rs6000/rs6000.c (optimization_options): Don't default to
1776         section anchors without toplevel reorder.
1777
1778 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1779
1780         * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function.
1781         (mfc_end_critical_section): Likewise.
1782
1783 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1784
1785         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate
1786         all type qualifiers from element type to vector type.
1787
1788 2008-08-25  David Daney  <ddaney@avtrex.com>
1789
1790         * config/mips/mips.md (immediate_insn): Move up in file, fix
1791         comment typo, reformat.
1792         (fetchop_bit, atomic_hiqi_op memory_barrier,
1793         sync_compare_and_swap<mode>, compare_and_swap_12, sync_add<mode>,
1794         sync_<optab><mode>, sync_<optab>_12, sync_old_<optab><mode>,
1795         sync_old_<optab>_12, sync_new_<optab><mode>, sync_new_<optab>_12,
1796         sync_nand<mode>, sync_nand_12, sync_old_nand<mode>,
1797         sync_old_nand_12, sync_new_nand<mode>, sync_new_nand_12,
1798         sync_sub<mode>, sync_old_add<mode>, sync_old_sub<mode>,
1799         sync_new_add<mode>, sync_new_sub<mode>, sync_<optab><mode>,
1800         sync_old_<optab><mode>, sync_new_<optab><mode>, sync_nand<mode>,
1801         sync_old_nand<mode>, sync_new_nand<mode>,
1802         sync_lock_test_and_set<mode>, sync_lock_test_and_set<mode>,
1803         test_and_set_12): Moved to sync.md.
1804         (sync.md): Include.
1805         * config/mips/sync.md: New file.
1806
1807 2008-08-25  Richard Henderson  <rth@redhat.com>
1808
1809         * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT.
1810         (regsave): Likewise.
1811         (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT.
1812         (output_cfi_directive): Likewise.
1813         (div_data_align): New.
1814         (output_cfi): Use it.
1815
1816 2008-08-24  Adam Nemet  <anemet@caviumnetworks.com>
1817
1818         * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*.
1819         * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON.
1820         (TARGET_OCTEON): New macro.
1821         (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon.
1822         (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon.
1823         (ISA_HAS_POP): New macro.
1824         * config/mips/driver-native.c (host_detect_local_cpu): Handle
1825         Octeon.
1826         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1827         Handle Octeon.
1828         * config/mips/mips.md (cpu): Add octeon.
1829         (type): Add pop attribute value.
1830         (popcount<mode>2): New pattern.
1831         * doc/invoke.texi (-march=@var{arch}): Add octeon.
1832
1833 2008-08-24  Jan Hubicka  <jh@suse.cz>
1834
1835         * doc/invoke.texi (-fipa-cp-clone): New option.
1836         (-fipa-cp): Update docs.
1837         (--param ipcp-unit-growth):New.
1838         * ipa-cp.c: Include fibheap.h, params.h
1839         (ipcp_initialize_node_lattices): When not cloning, all externally
1840         visible functions are bottom.
1841         (ipcp_need_redirect_p): Accept clones.
1842         (ipcp_insert_stage): Use cost driven heuristics.
1843         (max_count, dead_nodes): New static vars.
1844         (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost,
1845         ipcp_const_param_count): New functions.
1846         * common.opt (ipa-cp-clone): New command line option.
1847         * params.def (ipcp-unit-growth): New.
1848
1849 2008-08-24  Jan Hubicka  <jh@suse.cz>
1850
1851         * tree-inline.c (tree_function_versioning): Look harder
1852         for referenced vars.
1853
1854 2008-08-24  Razya Ladelsky  <razya@il.ibm.com>
1855
1856         PR tree-optimization/37185
1857         * matrix-reorg.c (transform_access_sites): Update changed stmt.
1858
1859 2008-08-23  Jan Hubicka  <jh@suse.cz>
1860
1861         * ipa-cp.c (ipcp_analyze_node): New function.
1862         (ipcp_update_cloned_node): Use it.
1863         (ipcp_init_stage): Likewise.
1864         * ipa-inline.c (function_insertion_hook_holder): New static var.
1865         (analyze_function): Break out from ....
1866         (inline_generate_summary): Here; register insertion hook.
1867         (cgraph_decide_inlining): Remove hook.
1868         (add_new_function): New function.
1869
1870 2008-08-23  Jan Hubicka  <jh@suse.cz>
1871
1872         * opts.c (decode_options): Revert accidental change enabling ipa-cp.
1873
1874 2008-08-23  Jan Hubicka  <jh@suse.cz>
1875
1876         * ipa-cp.c (constant_val_insert): Remove.
1877         (ipcp_propagate_one_const): Remove.
1878         (ipcp_create_replace_map): Always insert replacements to the map.
1879         (ipcp_insert_stage): Do not try to insert statements by hand.
1880         * tree-inline.c (insert_init_stmt): Break out from ...
1881         (setup_one_parameter): ... here; allow NULL BB pointer.
1882         (tree_function_versioning): Use setup_one_parameter to process
1883         replacement map.
1884
1885 2008-08-23  Jan Hubicka  <jh@suse.cz>
1886
1887         * tree.c (decl_address_ip_invariant_p): New function.
1888         * tree.h (decl_address_ip_invariant_p): Declare.
1889         * gimple.c (strip_invariant_refs): Break out from ...
1890         (is_gimple_invariant_address): ... here
1891         (is_gimple_ip_invariant_address): New function.
1892         (is_gimple_ip_invariant): New function.
1893         * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant):
1894         Declare.
1895
1896         * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF.
1897         (ipcp_lat_is_insertable): All constants are insertable.
1898         (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of
1899         IPA_CONST_VALUE_REF.
1900         (ipcp_initialize_node_lattices): Propagate all types of operands.
1901         (build_const_val): Do not handle IPA_CONST_VALUE_REF.
1902         (ipcp_create_replace_map): Reformat.
1903         (ipcp_need_redirect_p): Simplify.
1904         (ipcp_insert_stage): Check that argument is used before clonning.
1905         * ipa-prop.c (ipa_print_node_jump_functions): Do not handle IPA_CONST_REF.
1906         (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat.
1907         (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members.
1908         (update_call_notes_after_inlining): Expect ADDR_EXPR in operand.
1909         * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF.
1910         (jump_func_type): Remove IPA_CONST_VALUE_REF.
1911         * tree-inline.c (tree_function_versioning): Add variables referenced by
1912         replacing trees.
1913
1914 2008-08-23  Jan Hubicka  <jh@suse.cz>
1915
1916         PR target/37094
1917         * i386.c (standard_80387_constant_p): Use optimize_size.
1918
1919 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1920
1921         PR tree-optimization/37161
1922         * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare.
1923         * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function.
1924         (vect_determine_vectorization_factor): Move the scalar type
1925         retrieval to vect_get_smallest_scalar_type.
1926         (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get
1927         scalar type. Remove redundant computation.
1928         * tree-vect-transform.c (vect_get_constant_vectors): Add argument.
1929         (vect_get_slp_defs): Take the type of RHS into account if
1930         necessary by calling vect_get_smallest_scalar_type. Call
1931         vect_get_constant_vectors with additional argument.
1932
1933 2008-08-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1934
1935         PR 35648
1936         * doc/invoke.texi (Wwrite-strings): Clarify description.
1937
1938 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1939
1940         PR tree-optimization/37174
1941         * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the
1942         def stmt is a part of the loop before accessing its stmt_vec_info.
1943
1944 2008-08-22  Anatoly Sokolov  <aesok@post.ru>
1945
1946         PR target/11259
1947         * config/avr/avr.md (UNSPEC_SWAP): New constants.
1948         (*swap): New insn pattern.
1949         (*ashlqi3): Rename from ashlqi3 insn pattern.
1950         (ashlqi3): New expanders.
1951         (*lshrqi3): Rename from lshrqi3 insn pattern.
1952         (lshrqi3): New expanders.
1953         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
1954         lshrqi3_const5, lshrqi3_const6): New splitters.
1955         (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
1956         lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
1957         peephole2 patterns.
1958
1959 2008-08-22  Richard Guenther  <rguenther@suse.de>
1960
1961         PR tree-optimization/37078
1962         * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
1963         [+INF, +INF] ranges.
1964
1965 2008-08-22  Richard Guenther  <rguenther@suse.de>
1966
1967         PR tree-optimization/37143
1968         * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
1969         a conversion statement instead of a copy.
1970
1971 2008-08-22  Uros Bizjak  <ubizjak@gmail.com>
1972
1973         PR target/37184
1974         * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
1975         CCCmode, CCOmode and CCSmode destination modes.
1976
1977         PR target/37191
1978         * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
1979         from different units in a single alternative.
1980         (*vec_extractv2sf_1): Ditto.
1981         (*vec_extractv2si_0): Ditto.
1982         (*vec_extractv2si_1): Ditto.
1983         * config/i386/sse.md (sse2_storehpd): Ditto.
1984         (sse2_storelpd): Ditto.
1985         (sse2_loadhpd): Ditto.
1986         (sse2_loadlpd): Ditto.
1987
1988         PR target/37197
1989         * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
1990         (popcountsi2): Ditto.
1991         (clzdi2_abm): Ditto.
1992         (popcountdi2): Ditto.
1993         (clzhi2_abm): Ditto.
1994         (popcounthi2): Ditto.
1995
1996 2008-08-22  Richard Guenther  <rguenther@suse.de>
1997
1998         PR middle-end/36548
1999         PR middle-end/37125
2000         * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
2001         if the multiplication does not overflow.
2002
2003 2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>
2004
2005         * c-ppoutput.c (init_pp_output): Initialize src_line to 1.
2006
2007 2008-08-21  Richard Henderson  <rth@redhat.com>
2008
2009         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
2010         spurrious comma from test.
2011         * configure: Rebuild.
2012
2013 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2014
2015         PR 30457
2016         * builtins.c (fold_builtin_next_arg): Add warning about undefined
2017         behaviour.
2018
2019 2008-08-21  Aldy Hernandez  <aldyh@redhat.com>
2020
2021         * c-tree.h (grokfield): New argument.
2022         * c-decl.c (grokfield): Handle new location argument.
2023         * c-parser.c (c_parser_struct_declaration): Pass location to
2024         grokfield.
2025
2026 2008-08-21  Richard Guenther  <rguenther@suse.de>
2027
2028         * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.
2029
2030 2008-08-21  Jan Hubicka  <jh@suse.cz>
2031
2032         * cgraph.c (first_cgraph_function_insertion_hook): New variable.
2033         (cgraph_add_function_insertion_hook,
2034         cgraph_remove_function_insertion_hook,
2035         cgraph_call_function_insertion_hooks): New functions.
2036         * cgraph.h (cgraph_add_function_insertion_hook,
2037         cgraph_remove_function_insertion_hook,
2038         cgraph_call_function_insertion_hooks): Declare.
2039         * ipa-reference.c (function_insertion_hook_holder): New variable.
2040         (check_operand, look_for_address_of): When checking late, do not care
2041         about module bitmaps.
2042         (add_new_function): New function.
2043         (generate_summary): Register hooks; zero module bitmaps.
2044         (propagate): Unregister hooks.
2045         * ipa-pure-const.c (function_insertion_hook_holder): New variable.
2046         (add_new_function): New function.
2047         (generate_summary): Register hook.
2048         (propagate): Remove hook.
2049
2050         * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.
2051
2052         * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
2053         * ipa-cp.c (ipcp_update_cloned_node): New function.
2054         (build_const_val): Handle functions correctly; bring type logic
2055         into sync with tree-inline.c
2056         (ipcp_init_stage):  Take care of computing stuff needed by
2057         indirect inlining; update clones.
2058         (ipcp_generate_summary): Break out of ipcp_driver.
2059         (ipcp_driver): Do only execution and transformation.
2060         (pass_ipa_cp): Make IPA_PASS.
2061         * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
2062         offset to address.
2063         * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
2064         ipcp, some info is already available.
2065         * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
2066         * tree-inline.c (remap_ssa_name): Unshare expression.
2067
2068 2008-08-21  Richard Guenther  <rguenther@suse.de>
2069
2070         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2071         a PHI ask VN if it is already available.
2072         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2073         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2074
2075 2008-08-21  Richard Guenther  <rguenther@suse.de>
2076
2077         PR middle-end/36817
2078         * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
2079         makes sure to produce a result of the correct type.
2080
2081 2008-08-21  Jan Hubicka  <jh@suse.cz>
2082         Backport from LTO branch:
2083
2084         2008-05-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2085                     Jan Hubicka  <jh@suse.cz>
2086
2087         * ipa-pure-const.c
2088         (init_state, finish_state, set_function_state, generate_summary):
2089         New functions.
2090         (scan_stmt): Renamed from scan_function.  Changed to keep state in
2091         local static vars rather than cgraph aux field.
2092         (propagate): Renamed from static_execute. Changed to keep state in
2093         local static vars rather than cgraph aux field.
2094         (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
2095         * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.
2096
2097         2008-07-15  Kenneth Zadeck <zadeck@naturalbridge.com>
2098
2099         * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
2100         * ipa-reference.c (init_function_info, generate_summary,
2101         propagate): New functions.
2102         (analyze_function):  Call init_function_info.
2103         (static_execute): Stripped into generate_summary and propagate.
2104         (pass_ipa_reference): Made into ipa_opt_pass.
2105
2106 2008-08-21  Richard Guenther  <rguenther@suse.de>
2107
2108         PR tree-optimization/37181
2109         * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
2110         folding result.
2111         (extract_range_from_unary_expr): Likewise.
2112
2113 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2114
2115         * diagnostic.c (pedwarn_at): Rename as pedwarn.
2116         (pedwarn): Delete.
2117         * toplev.h (pedwarn_at): Likewise.
2118         * builtins.c: Update all calls to pedwarn.
2119         * c-lex.c: Likewise.
2120         * toplev.c: Likewise.
2121         * c-tree.h: Likewise.
2122         * c-decl.c: Likewise.
2123         * c-errors.c: Likewise.
2124         * c-typeck.c: Likewise.
2125         * c-common.c: Likewise.
2126         * c-parser.c: Likewise.
2127
2128 2008-08-20  Joseph Myers  <joseph@codesourcery.com>
2129
2130         PR target/31070
2131         * config/sparc/sparc.c (function_arg_slotno): Handle structure
2132         with MODE_VECTOR_INT mode.
2133
2134 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2135
2136         PR middle-end/179
2137         * tree-ssa.c (warn_uninit): Do not warn for variables that can be
2138         initialized outside the current module.
2139         (warn_uninitialized_var): Ignore left-hand side when walking the
2140         trees. Ignore address expressions. Examine VUSE operands in gimple
2141         statements with a variable declaration on the right-hand side.
2142
2143 2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>
2144
2145         PR bootstrap/37155
2146         * rtlanal.c (subreg_offset_representable_p): Revert last change.
2147
2148 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2149
2150         PR 35701
2151         * c-common.c (conversion_warning): Do not warn if applying bit-and
2152         operator to unsigned constant that fits in the target type.
2153
2154 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2155
2156         PR c++/35602
2157         * c-common.c (conversion_warning): Do not warn for artificial
2158         expressions.
2159
2160 2008-08-20  Richard Guenther  <rguenther@suse.de>
2161
2162         * tree-vrp.c (op_with_constant_singleton_value_range): New function.
2163         (extract_range_from_binary_expr): Fall back to constant propagation.
2164         (extract_range_from_unary_expr): Likewise.
2165
2166 2008-08-20  Richard Guenther  <rguenther@suse.de>
2167
2168         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
2169         with TREE_THIS_VOLATILE on shared nodes.
2170         (fold_stmt_r): Likewise.
2171
2172 2008-08-20  Jakub Jelinek  <jakub@redhat.com>
2173
2174         PR c/37171
2175         * c-parser.c (c_parser_attributes): For keywords use canonical
2176         spelling for attr_name.
2177
2178 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2179
2180         * value-prof.c (check_counter): Revert wrong call to error.
2181
2182 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2183
2184         * profile.c: Update calls to inform.
2185         * value-prof.c: Update calls to inform.
2186
2187 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2188
2189         * diagnostic.c (inform): Add an explicit location_t parameter.
2190         * toplev.h (inform): Update declaration.
2191         * builtins.c: Update all calls to inform.
2192         * c-common.c: Likewise.
2193         * c-decl.c: Likewise.
2194         * c-opts.c: Likewise.
2195         * c-pch.c: Likewise.
2196         * c-pragma.c: Likewise.
2197         * c-typeck.c: Likewise.
2198         * coverage.c: Likewise.
2199         * opts.c: Likewise.
2200         * toplev.c: Likewise.
2201         * tree-cfg.c: Likewise.
2202         * tree-ssa.c: Likewise.
2203
2204 2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>
2205
2206         PR target/37169
2207         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
2208         V2DI mode, for SSE4.1, use movq instead of vector set if the
2209         second element is zero and inter-unit moves are OK.
2210
2211 2008-08-20  Richard Guenther  <rguenther@suse.de>
2212
2213         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
2214         properly handle conversion/copy chains after tuplification.
2215
2216 2008-08-20  Richard Guenther  <rguenther@suse.de>
2217
2218         * passes.c (init_optimization_passes): Move the second
2219         forwprop pass before alias computation.  Remove the second
2220         DCE pass.  Remove the first dominator and phi copy/const
2221         prop passes.
2222
2223 2008-08-20  Nick Clifton  <nickc@redhat.com>
2224
2225         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
2226         support of this feature.  Do not assume that a sufficiently new
2227         assembler will support the feature regardless of the target type.
2228         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
2229         * configure: Regenerate.
2230
2231 2008-08-20  Richard Guenther  <rguenther@suse.de>
2232
2233         * tree-vrp.c (found_in_subgraph): Remove.
2234         (live): New global static.
2235         (live_on_edge): New function.
2236         (blocks_visited): Remove.
2237         (register_edge_assert_for_2): Use live_on_edge.
2238         (find_conditional_asserts): Remove code dealing with
2239         found_in_subgraph.  Do not walk the CFG.
2240         (find_switch_asserts): Likewise.
2241         (find_assert_locations_1): Renamed from find_assert_locations.
2242         Move finding assert locations for conditional and switch
2243         statements first.  Update live bitmap.  Do not walk the CFG.
2244         (find_assert_locations): New function.
2245         (insert_range_assertions): Remove entry of CFG walk.
2246         Adjust call to find_assert_locations.
2247         * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
2248         that only can appear because of fake exit edges but assert we
2249         never try to insert on those.
2250         (fini_pre): Do not remove fake exit edges here...
2251         (execute_pre): ...but here, before committing edge inserts.
2252
2253 2008-08-19  Richard Guenther  <rguenther@suse.de>
2254
2255         * passes.c (init_optimization_passes): Exchange store-ccp
2256         with a ccp pass.
2257
2258 2008-08-19  Rafael Espindola  <espindola@google.com>
2259
2260         * varasm.c (weak_decls): Move earlier in the file.
2261         (assemble_external): Add weak decls to the weak_decls list.
2262         (declare_weak): Don't add decls to the weak_decls list.
2263
2264 2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>
2265
2266         PR target/37157
2267         * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
2268         before (sse2_shufpd_<mode>).
2269
2270 2008-08-19  Jakub Jelinek  <jakub@redhat.com>
2271
2272         PR debug/37156
2273         * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
2274         * tree.c (block_nonartificial_location): Likewise.
2275
2276 2008-08-19  Richard Guenther  <rguenther@suse.de>
2277
2278         PR tree-optimization/35972
2279         PR tree-optimization/23094
2280         * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
2281         parameter.
2282         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
2283         handle MISALIGNED_INDIRECT_REF.
2284         (get_ref_from_reference_ops): New helper.
2285         (vn_reference_lookup_pieces): Walk the use-def chain using the
2286         alias-oracle if requested.
2287         * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
2288         walking the use-def chain.
2289         (compute_avail): But not here.
2290         (create_component_ref_by_pieces_1): Properly handle
2291         MISALIGNED_INDIRECT_REF.
2292         (do_regular_insertion): Handle fully redundant
2293         expressions after PHI-translation also for SSA_NAME values, not
2294         only constants.  Correctly use edoubleprime for that.
2295
2296 2008-08-19  Ira Rosen  <irar@il.ibm.com>
2297
2298         * tree-vectorizer.c (supportable_widening_operation): Support
2299         multi-step conversion, return the number of steps in such conversion
2300         and the required intermediate types.
2301         (supportable_narrowing_operation): Likewise.
2302         * tree-vectorizer.h (vect_pow2): New function.
2303         (supportable_widening_operation): Change argument types.
2304         (supportable_narrowing_operation): Likewise.
2305         (vectorizable_type_promotion): Add an argument.
2306         (vectorizable_type_demotion): Likewise.
2307         * tree-vect-analyze.c (vect_analyze_operations): Call
2308         vectorizable_type_promotion and vectorizable_type_demotion with
2309         additional argument.
2310         (vect_get_and_check_slp_defs): Detect patterns.
2311         (vect_build_slp_tree): Add an argument, don't fail in case of multiple
2312         types.
2313         (vect_analyze_slp_instance): Don't fail in case of multiple types. Call
2314         vect_build_slp_tree with correct arguments. Calculate unrolling factor
2315         according to the smallest type in the loop.
2316         (vect_detect_hybrid_slp_stmts): Include statements from patterns.
2317         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
2318         supportable_widening_operation with correct arguments.
2319         * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
2320         operands lists according to the number of vector statements in left
2321         or right node, if exists.
2322         (vect_gen_widened_results_half): Remove unused argument.
2323         (vectorizable_conversion): Call supportable_widening_operation,
2324         supportable_narrowing_operation, and vect_gen_widened_results_half
2325         with correct arguments.
2326         (vectorizable_assignment): Change documentation, support multiple
2327         types in SLP.
2328         (vectorizable_operation): Likewise.
2329         (vect_get_loop_based_defs): New function.
2330         (vect_create_vectorized_demotion_stmts): Likewise.
2331         (vectorizable_type_demotion): Support loop-aware SLP and general
2332         multi-step conversion. Call vect_get_loop_based_defs and
2333         vect_create_vectorized_demotion_stmts for transformation.
2334         (vect_create_vectorized_promotion_stmts): New function.
2335         (vectorizable_type_promotion): Support loop-aware SLP and general
2336         multi-step conversion. Call vect_create_vectorized_promotion_stmts
2337         for transformation.
2338         (vectorizable_store): Change documentation, support multiple
2339         types in SLP.
2340         (vectorizable_load): Likewise.
2341         (vect_transform_stmt): Pass SLP_NODE to
2342         vectorizable_type_promotion and vectorizable_type_demotion.
2343         (vect_schedule_slp_instance): Move here the calculation of number
2344         of vectorized statements for each node from...
2345         (vect_schedule_slp): ... here.
2346         (vect_transform_loop): Call vect_schedule_slp without the last
2347         argument.
2348
2349 2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>
2350
2351         PR bootstrap/37152
2352         * tree-vect-transform.c (vect_create_epilog_for_reduction): Change =
2353         to == in assert statement.
2354         (vectorizable_reduction): Fix typo.
2355
2356 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2357
2358         PR bootstrap/37153
2359         * value-prof.c (check_counter): Dereference pointer to overall
2360         count when printing it.
2361
2362 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2363
2364         * profile.h: Really add it.
2365
2366 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2367
2368         * mcf.c: Really add it.
2369
2370 2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
2371             Vinodha Ramasamy  <vinodha@google.com>
2372
2373         * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
2374         count_scale.
2375         * value-prof.c (check_counter): Fix the counter if
2376         flag_profile_correction is true.
2377         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2378         tree_mod_subtract_transform):
2379         Follow check_counter parameter change.
2380         * common.opt (fprofile-correction): New option.
2381         * mcf.c: New file.
2382         * profile.h: Likewise.
2383         * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
2384         (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
2385         is_inconsistent, set_bb_counts, read_profile_edge_counts): New
2386         functions.
2387         (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
2388         flag_profile_correction is set.
2389
2390 2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>
2391
2392         * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.
2393
2394 2008-08-18  Tomas Bily  <tbily@suse.cz>
2395
2396         * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
2397         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
2398         CONVERT_EXPR_P.
2399         * tree-data-ref.c (split_constant_offset_1): Likewise.
2400         * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
2401         * tree-sra.c (sra_walk_expr): Likewise.
2402         * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
2403         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
2404         * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
2405         * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
2406         Likewise.
2407         * gimple.c (gimple_assign_unary_nop_p): Likewise.
2408         * tree-vect-transform.c (vectorizable_type_demotion)
2409         (vectorizable_type_promotion): Likewise.
2410         * tree-inline.c (expand_call_inline):
2411         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
2412         (forward_propagate_addr_expr_1, forward_propagate_comparison)
2413         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2414         * expr.c (expand_expr_real_1): Likewise.
2415         * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
2416         (gimple_assign_unary_useless_conversion_p): Likewise.
2417         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2418         * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
2419         * fold-const.c (fold_unary): Likewise.
2420         * tree.h (CONVERT_EXPR_P): Likewise.
2421         * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
2422         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
2423         * tree-vrp.c:
2424         (register_edge_assert_for_2, extract_range_from_unary_expr)
2425         (register_edge_assert_for_1): Likewise.
2426
2427 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2428
2429         * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
2430         dconst_third_ptr, dconst_sqrt2_ptr): Declare.
2431         (enum real_value_const): Delete.
2432         (get_real_const): Delete.
2433         * real.c (get_real_const): Delete.
2434         (dconst_e_ptr): Define.
2435         (dconst_third_ptr): Define.
2436         (dconst_sqrt2_ptr): Define.
2437         * builtins.c: Update all callers.
2438
2439 2008-08-18  Richard Guenther  <rguenther@suse.de>
2440
2441         * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
2442         statement iterator after statement removal.
2443
2444 2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>
2445
2446         * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
2447         (detect_processor_freebsd): Likewise.
2448         (host_detect_local_cpu): Call newly added functions for FreeBSD.
2449
2450 2008-08-18  Richard Guenther  <rguenther@suse.de>
2451
2452         * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
2453         and loads have the correct types.
2454
2455 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2456
2457         PR cpp/7263
2458         * c-opts.c (cpp_opts): Remove static.
2459         * c-parser.c (cpp_opts): Declare it extern.
2460         (disable_extension_diagnostics): Handle cpp options.
2461         (enable_extension_diagnostics): Likewise.
2462
2463 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2464
2465         * diagnostics.c (permerror_at): Rename as permerror.
2466         (permerror): Delete.
2467         * toplev.h: Likewise.
2468
2469 2008-08-18  Richard Guenther  <rguenther@suse.de>
2470
2471         * passes.c (init_optimization_passes): Remove cleanup_cfg1,
2472         sdse1 and addressables2 passes.  Replace dce1 with cddce1.
2473         Move call_cdce before build_alias.  Move copyrename2,
2474         cunrolli and ccp2 beafore build_alias.  Re-add addressable2
2475         right after final inlining.
2476         * tree-cfg.c (build_gimple_cfg): Do not dump function here.
2477         (pass_build_cfg): But instead via TODO_dump_func.
2478
2479 2008-08-18  Richard Guenther  <rguenther@suse.de>
2480
2481         * tree-sra.c (generate_element_init_1): Deal with NULL constructor
2482         element index.
2483         (scalarize_init): If we failed to generate some initializers
2484         do not generate zeros for not instantiated members.  Instead
2485         rely on the copy out.
2486         * tree-ssa-operands.c (get_addr_dereference_operands): Warn
2487         about missing flow-sensitive alias info only if we have
2488         aliases computed.
2489
2490 2008-08-17  Nick Clifton  <nickc@redhat.com>
2491
2492         * doc/extend.texi (Function Attributes): Fix typo in description
2493         if hot function attribute.
2494
2495 2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
2496             Richard Sandiford  <rdsandiford@googlemail.com>
2497
2498         * doc/install.texi (--with-mips-plt): Document.
2499         * doc/invoke.texi (-mplt, -mno-plt): Document.
2500         * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
2501         and handle ${with_mips_plt}.
2502         * config/mips/mips.opt (mplt): New option.
2503         * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
2504         (TARGET_ABICALLS_PIC2): Likewise.
2505         (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
2506         (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
2507         (ASM_SPEC): Use !mabi=* instead of !mabi*.
2508         (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
2509         to decide whether to output ".option picX" directives.
2510         * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
2511         Pass -call_nonpic rather than -KPIC for -mplt.
2512         (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
2513         on the command line.  Also remove it when -mabi=64 is used without
2514         -msym32.
2515         * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
2516         * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
2517         TARGET_ABICALLS_PIC0.
2518         (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
2519         TARGET_ABICALLS.
2520         (mips16_build_function_stub): Only output ".option pic" directives
2521         and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
2522         (mips16_build_call_stub): Fix comment and remove redundant
2523         ".set at"/"set .noat" directives.
2524         (mips_function_rodata_section): Use the default behaviour for
2525         TARGET_ABSOLUTE_ABICALLS.
2526         (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
2527         (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
2528         (mips_restore_gp): Do nothing if the current function doesn't use
2529         a global pointer.
2530         (mips_expand_prologue): Only save $gp if the current function uses it.
2531         Use a normal move for TARGET_ABICALLS_PIC0.
2532         (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
2533
2534 2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>
2535
2536         * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
2537         of function when handling GLOBAL_POINTER_REGNUM.
2538
2539 2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>
2540
2541         PR ada/20548
2542         * common.opt (-fstack-check): Do not declare the variable here.
2543         (-fstack-check=): New option variant.
2544         * doc/invoke.texi (Code Gen Options): Document it.
2545         * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
2546         (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
2547         (STACK_CHECK_STATIC_BUILTIN): New macro.
2548         * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
2549         * opts.c: Include expr.h.
2550         (common_handle_option) <OPT_fold_stack_check_>: New case.
2551         <OPT_fstack_check>: Likewise.
2552         * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
2553         consistently in the test for variable-sized types.  Adjust for
2554         new behaviour of flag_stack_check.
2555         * explow.c: Include except.h.
2556         (allocate_dynamic_stack_space): Do not take into account
2557         STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
2558         * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
2559         for variable-sized parameters.  Treat all parameters whose size is
2560         greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
2561         stack checking is enabled.
2562         * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
2563         size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
2564         if generic stack checking is enabled.
2565         (expand_function_end): Adjust for new behaviour of flag_stack_check.
2566         * reload1.c (reload): Likewise.
2567         * stmt.c (expand_decl): Assert that all automatic variables have
2568         fixed size at this point and remove dead code.
2569         * flags.h (stack_check_type): New enumeration type.
2570         (flag_stack_check): Declare.
2571         * toplev.c (flag_stack_check): New global variable.
2572         * Makefile.in (opts.o): Add dependency on EXPR_H.
2573         (explow.o): Add dependency on except.h.
2574
2575 2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>
2576
2577         * config/avr/avr.c (avr_override_options): Reduce value of
2578         PARAM_INLINE_CALL_COST.
2579
2580 2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>
2581
2582         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
2583         to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
2584         lieu of TYPE_MODE (type) throughout.
2585
2586 2008-08-15  Joseph Myers  <joseph@codesourcery.com>
2587
2588         * config/arm/arm.c (add_minipool_backward_ref): Check for
2589         8-byte-aligned entries in second case of forcing insertion after a
2590         particular entry.  Change third case to avoid inserting
2591         non-8-byte-aligned entries before 8-byte-aligned ones.
2592
2593 2008-08-15  Richard Guenther  <rguenther@suse.de>
2594
2595         * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
2596         strip components for unknown size accesses.
2597
2598 2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
2599
2600         * config/s390/2097.md New file.
2601         * config/s390/s390.md ("z10prop" attribute): Define none,
2602         z10_super, z10_super_E1, z10_super_A1, z10_super_c,
2603         z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
2604         z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
2605         possible values and apply them to insns as appropriate.
2606         ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
2607         ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
2608         fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
2609         fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
2610         values.
2611         ("bfp" mode attribute): Removed.  Every occurence replaced
2612         with <mode>.
2613         * config/s390/s390.c (struct "z10_cost"): Updated entries.
2614         * config/s390/2084.md (insn_reservation "x_itof"): Updated
2615           type attribute.
2616
2617 2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2618
2619         PR c/28152
2620         * c-parser.c (c_lex_one_token): Do not store the canonical spelling
2621         for keywords.
2622
2623 2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
2624
2625         * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
2626         additional argument. Support reduction when duplication is needed due
2627         to data-types of different sizes in the loop.
2628         (get_initial_def_for_induction): Fix printout.
2629         (vect_get_vec_def_for_stmt_copy): Support case where the
2630         vec_stmt_for_operand is a phi node.
2631         (vectorizable_reduction): Support reduction when duplication is needed
2632         due to data-types of different sizes in the loop.
2633         (vectorizable_call): Remove restriction to not vectorize in case we
2634         have data-types of different sizes in the loop.
2635         (vectorizable_conversion): Likewise.
2636         (vectorizable_operation): Likewise.
2637         (vectorizable_type_demotion): Likewise.
2638         (vectorizable_type_promotion): Likewise.
2639         (vectorizable_induction): Add restriction to not vectorize in case
2640         we have data-types of different sizes in the loop.
2641
2642 2008-08-14  Christophe Saout  <christophe@saout.de>
2643             Uros Bizjak  <ubizjak@gmail.com>
2644
2645         PR target/37101
2646         * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
2647         (*vec_concatv2di_rex64_sse4_1): Ditto.
2648         (*vec_concatv2di_rex64_sse): Ditto.
2649
2650 2008-08-14  Jakub Jelinek  <jakub@redhat.com>
2651
2652         PR middle-end/37103
2653         * fold-const.c (fold_widened_comparison): Do not allow
2654         sign changes that change the result even if shorter type
2655         is wider than arg1_unw's type.
2656
2657 2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
2658
2659         * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
2660         Skip if the multilib testing specifies -march that does not
2661         agree with the one specified in the testcase.
2662
2663 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2664
2665         * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
2666         zero extend SImode values being converted to TFmode before passing
2667         to libcalls.
2668
2669 2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2670
2671         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
2672         __PPU__ when targeting the Cell/B.E. PPU processor.
2673
2674 2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
2675
2676         * gimple.h (gimple_call_set_chain): Accept SSA variables.
2677         * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
2678         Rematerialize the static chain, if any.
2679         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
2680         static chain.
2681
2682 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2683
2684         * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
2685         (new_loc_descr): Likewise.
2686         (add_loc_descr): Likewise.
2687         (size_of_loc_descr): Likewise.
2688         (size_of_locs): Likewise.
2689         (output_loc_operands): Likewise.
2690         (output_loc_sequence): Likewise.
2691         (new_reg_loc_descr): New.
2692         (build_cfa_loc): Use it.
2693         (build_cfa_aligned_loc): Likewise.
2694         (one_reg_loc_descriptor): Likewise.
2695         (based_loc_descr): Likewise.
2696
2697 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2698
2699         PR 30551
2700         * doc/invoke.texi (Wmain): Update.
2701         * c-decl.c (start_decl): warn_main is only 0 or 1.
2702         (start_function): Likewise. Fix formatting.
2703         (finish_function): Delete redundant warning.
2704         * c.opt (Wmain): Add Var(warn_main) and Init(-1).
2705         * c-opts (c_common_handle_option): -Wall only has effect if
2706         warn_main is uninitialized. OPT_Wmain is automatically
2707         handled. -pedantic also enables Wmain.
2708         (c_common_post_options): Handle all logic for Wmain here.
2709         * c-common.c (warn_main): Delete.
2710         (check_main_parameter_types): Make pedwarns conditional on
2711         OPT_Wmain.
2712         * c-common.h (warn_main): Delete.
2713
2714 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2715
2716         PR middle-end/36701
2717         * expr.c (emit_group_store): Allocate stack temp with the
2718         largest alignment when copying from register to stack.
2719
2720 2008-08-13  Richard Guenther  <rguenther@suse.de>
2721
2722         * tree.h (maybe_fold_offset_to_address): Declare.
2723         * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
2724         (ccp_fold): Handle pointer conversions the same as fold_stmt.
2725         Likewise for POINTER_PLUS_EXPR.
2726         (maybe_fold_offset_to_reference): Enable disabled code.
2727         (maybe_fold_offset_to_address): New function.
2728         (fold_stmt_r): Use it.
2729         (fold_gimple_assign): Likewise.
2730         * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
2731         (gimplify_expr): Likewise.
2732
2733 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2734
2735         * toplev.h (pedwarn_at): Fix declaration.
2736
2737 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2738
2739         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2740         LINK_SPEC): Use %R in -Y P argument.
2741
2742 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2743
2744         PR c/15236
2745         * diagnostic.c (pedwarn_at): New.
2746         * toplev.h (pedwarn_at): Declare.
2747         * c-tree.h (build_enumerator): Update declaration.
2748         * c-decl.c (finish_enum): Update comment.
2749         (build_enumerator): Take a location parameter. Give a pedwarn but do
2750         not perform any conversion.
2751         * c-parser.c (c_parser_enum_specifier): Set correct location for
2752         enumerator.
2753
2754 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2755
2756         PR 35635
2757         * c-common.c (conversion_warning): Use a switch. Ignore boolean
2758         expressions except for conversions to signed:1 bitfields. Handle
2759         COND_EXPR with constant operands.
2760
2761 2008-08-13  Richard Guenther  <rguenther@suse.de>
2762
2763         PR tree-optimization/15255
2764         * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
2765         (struct oecount_s): New struct and VEC types.
2766         (cvec): New global.
2767         (oecount_hash): New function.
2768         (oecount_eq): Likewise.
2769         (oecount_cmp): Likewise.
2770         (zero_one_operation): New function.
2771         (build_and_add_sum): Likewise.
2772         (undistribute_ops_list): Perform un-distribution of multiplication
2773         and division on the chain of summands.
2774         (should_break_up_subtract): Also break up subtracts for factors.
2775         (reassociate_bb): Delete dead visited statements.
2776         Call undistribute_ops_list.  Re-sort and optimize if it did something.
2777         * passes.c (init_optimization_passes): Move DSE before
2778         reassociation.
2779         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
2780         PHI nodes.
2781
2782 2008-08-12  Janis Johnson  <janis187@us.ibm.com>
2783
2784         * doc/invoke.texi (-fipa-pta): Say the option is experimental.
2785
2786         * doc/invoke.texi: Revert unintended checkin.
2787
2788 2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
2789
2790         PR libgomp/26165
2791         * gcc.c (include_spec_function): Tweak call to find_a_file.
2792
2793 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2794
2795         PR middle-end/37014
2796         * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
2797         and TRUTH_ORIF_EXPR.
2798         * dojump.c (do_jump): Likewise.
2799
2800         PR tree-optimization/37084
2801         * tree-inline.c (copy_bb): Call gimple_regimplify_operands
2802         if id->regimplify, don't assume stmt is a cast assignment.
2803
2804 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
2805
2806         * final.c (final_scan_insn): Use app_enable/app_disable functions.
2807
2808 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2809
2810         PR bootstrap/37097
2811         * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
2812         by last change.
2813
2814 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2815
2816         * defaults.h (TARGET_FLOAT_FORMAT): Remove.
2817         (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
2818
2819         * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
2820         * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
2821         * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
2822         * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
2823         * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
2824
2825         * doc/tm.texi (Storage Layout): Remove documentation for
2826         TARGET_FLOAT_FORMAT.
2827
2828         * simplify-rtx.c (simplify_binary_operation_1): Replace
2829         TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
2830
2831 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2832
2833         * real.h (struct real_format): New member has_sign_dependent_rounding.
2834         * real.c (ieee_single_format, mips_single_format, motorola_single_format,
2835         spu_single_format, ieee_double_format, mips_double_format,
2836         motorola_double_format, ieee_extended_motorola_format,
2837         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2838         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2839         mips_extended_format, ieee_quad_format, mips_quad_format,
2840         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2841         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2842
2843         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2844         MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2845         * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2846         MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2847         (ROUND_TOWARDS_ZERO): Likewise.
2848
2849         * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
2850         (FLOAT_MODE_FORMAT): New macro.
2851         (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
2852         (MODE_COMPOSITE_P): ... this new macro.
2853         (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2854         MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
2855         * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
2856
2857         * flags.h: Include "real.h".
2858
2859         * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
2860         REAL_MODE_FORMAT_COMPOSITE_P.
2861         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2862
2863         * doc/tm.texi (Storage Layout): Remove documentation of
2864         MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2865         MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
2866         ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
2867         they only apply to libgcc2.a.
2868
2869 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2870
2871         * config/spu/float_disf.c: New file.
2872         * config/spu/float_unsdisf.c: New file.
2873         * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
2874         (LIB2FUNCS_EXCLUDE): Define.
2875
2876 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2877             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2878
2879         * real.h (struct real_format): New member round_towards_zero.
2880         * real.c (round_for_format): Respect fmt->round_towards_zero.
2881         (ieee_single_format, mips_single_format, motorola_single_format,
2882         spu_single_format, ieee_double_format, mips_double_format,
2883         motorola_double_format, ieee_extended_motorola_format,
2884         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2885         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2886         mips_extended_format, ieee_quad_format, mips_quad_format,
2887         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2888         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2889
2890         * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
2891         real_format to choose rounding mode when calling MPFR functions.
2892         (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
2893         (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
2894
2895         * real.h (real_to_decimal_for_mode): Add prototype.
2896         * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
2897         Respect target rounding mode when generating decimal representation.
2898         (real_to_decimal): New stub for backwards compatibility.
2899         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
2900         real_to_decimal_for_mode instead of real_to_decimal.
2901
2902         * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
2903
2904 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2905             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2906
2907         * real.c (spu_single_format): New variable.
2908         * real.h (spu_single_format): Declare.
2909
2910         * config/spu/spu.c (spu_override_options): Install SFmode format.
2911         (spu_split_immediate): Use integer mode to operate on pieces of
2912         floating-point values in all cases.
2913
2914         * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
2915         ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
2916         ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
2917
2918 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2919
2920         * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
2921
2922 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2923
2924         * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
2925
2926 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2927
2928         PR c++/36688
2929         * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
2930         on the VAR_DECL instead of TYPE_READONLY on its type.
2931
2932 2008-08-12  Ira Rosen  <irar@il.ibm.com>
2933
2934         * tree-vectorizer.c: Depend on langhooks.h.
2935         (supportable_widening_operation): Add two arguments. Support double
2936         type conversions.
2937         (supportable_narrowing_operation): Likewise.
2938         * tree-vectorizer.h (supportable_widening_operation): Add two
2939         arguments.
2940         (supportable_narrowing_operation): Likewise.
2941         * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
2942         supportable_widening_operation with correct arguments.
2943         * tree-vect-transform.c (vectorizable_conversion): Likewise.
2944         (vectorizable_type_demotion): Support double type conversions.
2945         (vectorizable_type_promotion): Likewise.
2946         * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
2947
2948 2008-08-11  Michael Matz  <matz@suse.de>
2949
2950         * i386/i386.c (override_options): Move initialisation from
2951         flag_schedule_insns_after_reload to here from ...
2952         (optimization_options): ... here.
2953
2954 2008-08-11  Jakub Jelinek  <jakub@redhat.com>
2955
2956         PR rtl-optimization/36998
2957         * dwarf2out.c (compute_barrier_args_size_1,
2958         compute_barrier_args_size): Temporarily remove assertions.
2959
2960 2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2961
2962         PR middle-end/20644
2963         * tree-ssa.c (struct walk_data): Add new flag
2964         warn_possibly_uninitialized.
2965         (warn_uninitialized_var): Use it.
2966         (warn_uninitialized_vars): New.
2967         (execute_early_warn_uninitialized): Call it.
2968         (execute_late_warn_uninitialized): Likewise.
2969
2970 2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2971
2972         PR middle-end/36238
2973         * reload1.c (gen_reload): Guard calls to get_secondary_mem
2974         for memory subregs.
2975
2976 2008-08-09  Jan Hubicka  <jh@suse.cz>
2977
2978         PR target/37055
2979         * optabs.c (maybe_emit_unop_insn): Remove produced code if
2980         expansion failed.
2981         (expand_fix): Be prepared for expansion to fail.
2982         (expand_sfix_optab): Remove instructions if expansion failed.
2983
2984 2008-08-09  Anatoly Sokolov  <aesok@post.ru>
2985
2986         * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
2987         avr31 architecture.
2988         * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
2989         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2990
2991 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2992
2993         * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
2994         mips/t-libgcc-mips16 to tmake_file.
2995         * config/mips/mips-protos.h (mips_call_type): New enum.
2996         (mips_pic_base_register, mips_got_load): Declare.
2997         (mips_restore_gp): Take an rtx argument.
2998         (mips_use_pic_fn_addr_reg_p): Declare.
2999         (mips_expand_call): Replace the sibcall_p argument with
3000         a mips_call_type argument.  Add a lazy_p parameter.
3001         (mips_split_call): Declare.
3002         * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
3003         (MIPS16_PIC_TEMP): Likewise.
3004         (reg_class): Delete M16_NA_REGS.
3005         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
3006         (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
3007         (mips_split_hi_p): Declare.
3008         * config/mips/mips.c (mips_split_hi_p): New array.
3009         (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
3010         (mips_got_symbol_type_p): New function.
3011         (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
3012         (mips16_stub_function_p): New function.
3013         (mips16_local_function_p): Likewise.
3014         (mips_use_pic_fn_addr_reg_p): Likewise.
3015         (mips_cannot_force_const_mem): Return false for HIGHs.
3016         Extend CONST_INT and symbolic handling to MIPS16, using
3017         mips_symbol_insns to check that the base symbol type is a
3018         legitimate constant.  Reject GOT-based constants if
3019         TARGET_MIPS16_PCREL_LOADS.
3020         (mips_const_insns): Check targetm.cannot_force_const_mem when
3021         decomposing a symbolic base and a large offset.
3022         (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
3023         When calling a function that needs $25 from MIPS16 code,
3024         move the target address into $25 separately and add a USE
3025         to the call insn.
3026         (mips16_gp_pseudo_reg): Insert the initializer immediately
3027         before the first real insn.
3028         (mips_pic_base_register, mips_got_load): New functions.
3029         (mips_split_symbol): Generalize the name of the LO_SUM_OUT
3030         parameter to LOW_OUT.  Say that it can be any valid SET_SRC
3031         when splitting a load-address operation.  Split SYMBOL_GOT_DISP
3032         constants and highs of SYMBOL_GOT_PAGE_OFST constants.
3033         (mips_call_tls_get_addr): Update the call to mips_expand_call,
3034         also passing NULL_RTX rather than const0_rtx as the aux argument.
3035         (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
3036         instead of TARGET_EXPLICIT_RELOCS.
3037         (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
3038         (mips_load_call_address): Replace the sibcall_p argument with
3039         a mips_call_type argument.  Use mips_got_load.
3040         (mips16_local_alias): New structure.
3041         (mips16_local_aliases): New variable.
3042         (mips16_local_aliases_hash): New function.
3043         (mips16_local_aliases_eq): Likewise.
3044         (mips16_local_alias): Likewise.
3045         (mips16_stub_function): Likewise.
3046         (mips16_build_function_stub): Create a local alias for the target
3047         function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
3048         .cpload directive and an R_MIPS_NONE relocation for the target
3049         function, then load the alias rather than the function itself.
3050         Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
3051         (mips16_copy_fpr_return_value): Use mips16_stub_function and
3052         mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
3053         (mips16_build_call_stub): Replace the FN parameter with an
3054         FN_PTR parameter.  Force the address into a register if it
3055         isn't a call_insn_operand; don't rely on the caller to do this.
3056         If a call to a locally-defined and locally-binding MIPS16
3057         function must be made indirectly, redirect the call to the
3058         function's local alias.  Use mips16_stub_function_p,
3059         mips16_stub_function, mips_expand_call and use_reg.
3060         Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
3061         Use explicit %hi and %lo accesses where possible.
3062         Use MIPS_CALL to generate the correct code form of a
3063         jal instruction.  Add clobbers of $18 instead of uses.
3064         Update the call to mips_emit_call_insn.
3065         (mips_expand_call): Replace the SIBCALL_P argument with a
3066         mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
3067         Take a LAZY_P parameter.  Call mips16_build_call_stub first,
3068         allowing it to modify the call address.  Update the calls to
3069         mips_load_call_address and mips_emit_call_insn.
3070         (mips_split_call): New function.
3071         (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
3072         !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
3073         SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
3074         (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
3075         (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
3076         if TARGET_MIPS16.
3077         (mips_cprestore_slot): New function.
3078         (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
3079         and use mips_cprestore_slot.
3080         (mips_output_function_prologue): Handle TARGET_MIPS16 for
3081         LOADGP_OLDABI.
3082         (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
3083         then use a copygp_mips16 instruction to set up $28.
3084         (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
3085         (mips16_lay_out_constants): Call split_all_insns_noflow.
3086         (mips_reorg_process_insns): Explicitly set all_noreorder_p to
3087         false if TARGET_MIPS16.
3088         (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
3089         (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
3090         mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
3091         (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
3092         MIPS16 code.  Allow MIPS16 o32 PIC.
3093         (mips_override_options): Allow MIPS16 o32 PIC.
3094         * config/mips/mips.md: Lower CONST_GP_P moves into register moves
3095         after reload if TARGET_USE_GOT.
3096         (UNSPEC_COPYGP): New constant.
3097         (length): Use a default length of 8 for MIPS16 GOT loads.
3098         (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
3099         (*got_page<mode>): Check mips_split_hi_p.
3100         (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
3101         (unspec_got<mode>, unspec_call<mode>): New expanders.
3102         (load_got<mode>, load_call<mode>): Remove the length attributes.
3103         Use a got attribute instead of a type attribute.
3104         (copygp_mips16): New insn.
3105         (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
3106         (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
3107         (sibcall, sibcall_value, call, call_value): Update the calls
3108         to mips_expand_call.
3109         (call_internal, call_value_internal): Use mips_split_call.
3110         (call_value_multiple_internal): Likewise.
3111         (call_split): Move after call_internal (the insn it is split from).
3112         (call_internal_direct, call_value_internal_direct): Turn into
3113         define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
3114         (call_direct_split, call_value_direct_split): New patterns.
3115         * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
3116         and use M16_REGS instead of M16_NA_REGS.
3117         * config/mips/predicates.md (const_call_insn_operand): Replace
3118         the TARGET_ABSOLUTE_ABICALLS-based check with a more general
3119         mips_use_pic_fn_addr_reg_p check.
3120         (move_operand): Reject HIGHs if mips_split_hi_p.
3121         * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
3122         (__mips16_floatunsisf): Inline __mips16_floatsisf.
3123         (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
3124         * config/mips/libgcc-mips16.ver: New file.
3125         * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
3126         $(srcdir)/config/mips/libgcc-mips16.ver.
3127
3128 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3129
3130         * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
3131         (mips_unspec_address, mips_unspec_offset_high): Likewise.
3132         (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
3133         (mips16_cfun_returns_in_fpr_p): Likewise.
3134
3135 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3136
3137         * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
3138         * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
3139         rather than 4 to PC.
3140
3141 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3142
3143         * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
3144         (FUNCTION_PROFILER): Save the static chain pointer into $2
3145         beforehand and restore it aftewards.
3146         (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
3147         address directly into $25 and call the function through $25;
3148         do not clobber $3.  Pad the DImode version to cover the space
3149         left by the deleted $25 <- $3 move.
3150         (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
3151         the removal of the $25 <- $3 move.
3152         (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
3153         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
3154
3155 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3156             Daniel Jacobowitz  <dan@codesourcery.com>
3157
3158         * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
3159         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
3160         (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
3161         * config/mips/mips.c (mips_start_function_definition): New function.
3162         (mips_end_function_definition): Likewise.
3163         (mips_output_function_prologue): Use mips_start_function_definition.
3164         (mips_output_function_epilogue): Use mips_end_function_definition.
3165         (build_mips16_function_stub): Use mips_start_function_definition
3166         and mips_end_function_definition.
3167         (build_mips16_call_stub): Likewise.
3168
3169 2008-08-09  Richard Guenther  <rguenther@suse.de>
3170
3171         * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
3172         * gimple.h (gimple_call_fn): Adjust comment.
3173         (gimple_call_set_fndecl): New function.
3174         (gimple_call_fndecl): Adjust for GIMPLE_CALL no
3175         longer having bare FUNCTION_DECL operand.
3176         (gimple_call_return_type): Likewise.
3177         * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
3178
3179         * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
3180         (gimple_mod_pow2): Likewise.
3181         (gimple_mod_subtract): Likewise.
3182         (gimple_ic): Likewise.
3183         (gimple_stringop_fixed_value): Likewise.
3184         (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
3185         longer having bare FUNCTION_DECL operand.
3186         * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
3187         * omp-low.c (optimize_omp_library_calls): Likewise.
3188         * cgraphunit.c (update_call_expr): Likewise.
3189         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
3190         (execute_convert_to_rsqrt): Likewise.
3191         * cfgexpand.c (gimple_to_tree): Simplify.
3192         (release_stmt_tree): Fix for GIMPLE_CALL no longer having
3193         bare FUNCTION_DECL operand.
3194         * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
3195         (convert_gimple_call): Use gimple_call_fndecl.
3196         * c-common.c (c_warn_unused_result): Likewise.
3197
3198 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3199
3200         PR c/17880
3201         * c-typeck.c (digest_init): Call verify_sequence_points from here.
3202         (c_finish_return): Likewise.
3203         (c_start_case): Likewise.
3204         * c-common.c (warn_for_collisions_1): Use explicit location in
3205         warning.
3206         * c-parser.c (c_parser_condition): New. Call
3207         verify_sequence_points.
3208         (c_parser_paren_condition): Call c_parser_condition.
3209         (c_parser_for_statement): Call c_parser_condition.
3210
3211 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3212
3213         PR 36901
3214         * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.
3215         * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
3216         Moved from diagnostic.h
3217         (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
3218         DK_PERMERROR.
3219         (emit_diagnostic): New.
3220         (warning0, pedwarn0): Delete.
3221         (warning, warning_at, pedwarn, permerror): Return bool.
3222         * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
3223         Moved to diagnostic.c.
3224         (struct diagnostic_context): Use correct type for
3225         classify_diagnostic.
3226         (diagnostic_report_diagnostic): Update declaration.
3227         (emit_diagnostic): Declare.
3228         * errors.c (warning): Return bool.
3229         * errors.h (warning): Update declaration.
3230         * toplev.h (warning0, pedwarn0): Delete.
3231         (warning, warning_at, pedwarn, permerror): Return bool.
3232         * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
3233         * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
3234         inform. Update all calls.
3235         (diagnose_mismatched_decls): Check return value of warning/pedwarn
3236         before giving informative note.
3237         (implicit_decl_warning): Likewise.
3238         * c-typeck.c (build_function_call): Likewise.
3239         * tree-sssa.c (warn_uninit): Likewise.
3240         * builtins.c (gimplify_va_arg_expr): Likewise.
3241
3242 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3243
3244         PR 7651
3245         * doc/invoke.texi (-Wextra): Move warning from here...
3246         (-Wuninitialized): ... to here.
3247
3248 2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3249
3250         PR 28875
3251         * flags.h (set_Wunused): Delete
3252         * toplev.c (process_options): Handle Wunused flags here.
3253         * opts.c (maybe_warn_unused_parameter): Delete.
3254         (common_handle_option): Replace set_Wunused by warn_unused.
3255         (set_Wextra): Do not handle Wunused-parameter here.
3256         (set_Wunused): Delete.
3257         * c-opts.c (c_common_handle_option): Replace set_Wunused by
3258         warn_unused.
3259         * common.opt (Wunused): Add Var and Init.
3260         (Wunused-function): Likewise.
3261         (Wunused-label): Likewise.
3262         (Wunused-parameter): Likewise.
3263         (Wunused-value): Likewise.
3264         (Wunused-variable): Likewise.
3265
3266 2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
3267
3268         * doc/invoke.texi: Add cpu_type power7.
3269         * config.in (HAVE_AS_VSX): New.
3270         * config.gcc: Add cpu_type power7.
3271         * configure.ac (HAVE_AS_VSX): Check for assembler support of the
3272         VSX instructions.
3273         * configure: Regenerate.
3274         * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
3275         power5.
3276         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
3277         (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
3278         (EXTRA_SPECS): Add asm_cpu_power7 spec string.
3279
3280 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
3281
3282         * tree-vect-transform.c (vectorizable_conversion): Pass the integral
3283         type to vectorize.builtin_conversion.
3284         (vectorizable_conversion): Likewise.
3285         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
3286         integral type as input.
3287         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
3288         FIX_TRUNC_EXPR.
3289         (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
3290         and ALTIVEC_BUILTIN_VCTSXS.
3291         (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
3292         formatting.
3293
3294 2008-08-08  Richard Guenther  <rguenther@suse.de>
3295
3296         * tree-ssa-ccp.c (likely_value): Calls are not all varying.
3297         (surely_varying_stmt_p): Calls are varying only if they are
3298         non-builtin and not indirect or have no result.
3299         (ccp_fold): Re-instantiate code before the tuples merge.
3300
3301 2008-08-08  Richard Guenther  <rguenther@suse.de>
3302
3303         PR tree-optimization/37056
3304         * gimple.h (gimple_assign_rhs_class): New helper function.
3305         * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
3306         unary operations properly.
3307
3308 2008-08-07  Jan Hubicka  <jh@suse.cz>
3309
3310         * i386.h (ix86_size_cost): Declare.
3311         (ix86_cur_cost): New function macro.
3312         * i386.md (peepholes expanding size and splitters): Predicate by
3313         optimize_insn_for_speed_p.
3314         (peepholes reduce size and splitters): Predicate by
3315         optimize_insn_for_size_p.
3316         * i386.c (ix86_size_cost): Rename from ...
3317         (size_cost): This one.
3318         (override_options): Update.
3319         (decide_alg): Likewise.
3320         (ix86_expand_clear): Use RTL profile.
3321         (ix86_pad_returns): Use RTL profile.
3322
3323 2008-08-07  Jan Hubicka  <jh@suse.cz>
3324
3325         * recog.c (split_all_insns): Set RTL profile
3326         (peephole2_optimize): Likewise.
3327         * function.c (thread_prologue_and_epilogue_insns): Likewise.
3328         * combine.c (combine_instructions): Likewise.
3329
3330 2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3331
3332         * c-common.c (c_common_reswords): Also warn about keyword "bool".
3333
3334 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
3335
3336         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
3337         value in a6 after the set_frame_ptr insn.
3338
3339 2008-08-07  Richard Henderson  <rth@redhat.com>
3340
3341         PR debug/37033
3342         * gcc.c (cpp_options): Pass along -g*.
3343
3344 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
3345
3346         * config/arm/arm.c (output_move_neon): Update comment describing
3347         big-endian vector layout.
3348         (arm_assemble_integer): Do not handle big-endian NEON vectors
3349         specially.
3350         * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
3351         neon_vget_lane<mode>_sext_internal,
3352         neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
3353         element indices for big-endian.
3354
3355 2008-08-07  Richard Henderson  <rth@redhat.com>
3356
3357         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
3358         * configure, config.in: Rebuild.
3359         * debug.h (dwarf2out_do_cfi_asm): Declare.
3360         * c-cppbuiltin.c (c_cpp_builtins): Use it.
3361         * dwarf2out.c (dwarf2out_do_cfi_asm): New.
3362         (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
3363         dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.
3364
3365 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
3366
3367         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3368         movv2si_internal): Combine into mov<mode>_internal.
3369         (movv2si_internal_2): Remove.
3370
3371 2008-08-07  Jan Hubicka  <jh@suse.cz>
3372
3373         PR target/37048
3374         * i386.md (single stringop patterns): Enable unconditionally.
3375
3376 2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3377
3378         PR target/36992
3379         * config/i386/emmintrin.h (_mm_move_epi64): Use
3380         __builtin_ia32_movq128.
3381
3382         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
3383         (bdesc_args): Add IX86_BUILTIN_MOVQ128.
3384
3385         * config/i386/sse.md (sse2_movq128): New.
3386
3387         * doc/extend.texi: Document __builtin_ia32_movq128.
3388
3389 2008-08-07  Richard Guenther  <rguenther@suse.de>
3390
3391         PR middle-end/37042
3392         * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
3393         pointers can access anything.
3394
3395 2008-08-06  Jan Hubicka  <jh@suse.cz>
3396
3397         * optabs.c (emit_unop_insn): Break out to ...
3398         (maybe_emit_unop_insn): ... this one.
3399         (expand_sfix_optab): Use maybe variant.
3400         * optabs.h (maybe_emit_unop_insn): Declare.
3401
3402         * i386.md (mov0 patterns): Enable by default.
3403         (FP conversion expanders): Disable expansion of code expanding
3404         sequences when instruction should be optimized for size.
3405         (single strinop patterns): Enable when optimizing for size.
3406         (string expanders): Disable expanding of code expanding sequences
3407         when optimizning instruction for size.
3408         * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
3409         per BB basis.
3410         (ix86_fp_comparison_sahf_cost): Likewise.
3411         (ix86_expand_branch): Likewise.
3412         (ix86_expand_ashl_const): Likewise.
3413         (ix86_split_ashl): Likewise.
3414         (ix86_expand_strlen): Likewise.
3415         (ix86_emit_fp_unordered_jump): Likewie.
3416
3417 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3418
3419         * c-common.c: Fix typo.
3420         (c_common_reswords): Activate more C++ keyword warnings.
3421
3422         * matrix-reorg.c (compute_offset): Avoid C++ keywords.
3423
3424 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3425
3426         PR 26785
3427         * diagnostic.c (permerror_at): New.
3428         * toplev.h (permerror_at): Declare.
3429
3430 2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
3431             Ira Rosen  <irar@il.ibm.com>
3432
3433         * tree-vect-transform.c (vect_model_simple_cost): Return
3434         immediately if stmt is pure SLP.
3435         (vect_model_store_cost): Ditto.
3436         (vect_model_load_cost): Ditto.
3437         (vectorizable_store): Remove PURE_SLP check before call
3438         to vect_model_store_cost.
3439         (vect_model_store_cost): When checking whether stmt describe
3440         strided access, add a check that it is not slp_node.
3441
3442 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3443
3444         PR 8715
3445         * c-common.c (warn_for_sign_compare): New. Handle separately the
3446         case that 'constant' is zero.
3447         * c-typeck.c (build_binary_op): Move code to c-common.c
3448
3449 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3450
3451         * config/alpha/alpha.c (alpha_preferred_reload_class,
3452         alpha_secondary_reload, alpha_emit_set_const_1, function_value,
3453         alpha_output_mi_thunk_osf): Avoid C++ keywords.
3454         * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
3455         * config/arm/arm.md: Likewise.
3456         * config/avr/avr-protos.h (preferred_reload_class,
3457         test_hard_reg_class, avr_simplify_comparison_p,
3458         out_shift_with_cnt, class_max_nregs): Likewise.
3459         * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
3460         output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
3461         preferred_reload_class, test_hard_reg_class): Likewise.
3462         * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
3463         bfin_memory_move_cost, bfin_secondary_reload,
3464         bfin_output_mi_thunk): Likewise.
3465         * config/crx/crx.c (crx_secondary_reload_class,
3466         crx_memory_move_cost): Likewise.
3467         * config/frv/frv-protos.h (frv_secondary_reload_class,
3468         frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
3469         * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
3470         frv_secondary_reload_class, frv_class_likely_spilled_p,
3471         frv_class_max_nregs): Likewise.
3472         * config/h8300/h8300.c (h8300_classify_operand,
3473         h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
3474         Likewise.
3475         * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
3476         * config/ia64/ia64.c (ia64_preferred_reload_class,
3477         ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
3478         * config/iq2000/iq2000.c (gen_int_relational): Likewise.
3479         * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
3480         Likewise.
3481         * config/m68hc11/m68hc11.c (preferred_reload_class,
3482         m68hc11_memory_move_cost): Likewise.
3483         * config/mcore/mcore.c (mcore_secondary_reload_class,
3484         mcore_reload_class): Likewise.
3485         * config/mips/mips.c (mips_hard_regno_mode_ok_p,
3486         mips_class_max_nregs, mips_cannot_change_mode_class,
3487         mips_preferred_reload_class, mips_secondary_reload_class,
3488         mips_output_mi_thunk): Likewise.
3489         * config/mmix/mmix.c (mmix_preferred_reload_class,
3490         mmix_preferred_output_reload_class, mmix_secondary_reload_class):
3491         Likewise.
3492         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
3493         Likewise.
3494         * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
3495         pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
3496         * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3497         * config/rs6000/rs6000.c (paired_expand_vector_init,
3498         rs6000_secondary_reload_class, rs6000_output_mi_thunk,
3499         compare_section_name, rs6000_memory_move_cost): Likewise.
3500         * config/s390/s390.c (s390_emit_compare_and_swap,
3501         s390_preferred_reload_class, s390_secondary_reload,
3502         legitimize_pic_address, legitimize_tls_address,
3503         legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
3504         s390_class_max_nregs): Likewise.
3505         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3506         * config/s390/s390.md: Likewise.
3507         * config/score/score-protos.h (score_secondary_reload_class,
3508         score_preferred_reload_class): Likewise.
3509         * config/score/score.c (score_preferred_reload_class,
3510         score_secondary_reload_class): Likewise.
3511         * config/score/score3.c (score3_output_mi_thunk,
3512         score3_preferred_reload_class, score3_secondary_reload_class,
3513         score3_hard_regno_mode_ok): Likewise.
3514         * config/score/score3.h (score3_preferred_reload_class,
3515         score3_secondary_reload_class): Likewise.
3516         * config/score/score7.c (score7_output_mi_thunk,
3517         score7_preferred_reload_class, score7_secondary_reload_class,
3518         score7_hard_regno_mode_ok): Likewise.
3519         * config/score/score7.h (score7_preferred_reload_class,
3520         score7_secondary_reload_class): Likewise.
3521         * config/sh/sh.c (prepare_move_operands, output_far_jump,
3522         output_branchy_insn, add_constant, gen_block_redirect,
3523         sh_insn_length_adjustment, sh_cannot_change_mode_class,
3524         sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload):
3525         Likewise.
3526         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3527         * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
3528         xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
3529         xstormy16_preferred_reload_class): Likewise.
3530         * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
3531         xtensa_expand_atomic, override_options,
3532         xtensa_preferred_reload_class, xtensa_secondary_reload_class):
3533         Likewise.
3534         * reorg.c (try_merge_delay_insns): Likewise.
3535         * tree.c (merge_dllimport_decl_attributes): Likewise.
3536
3537         * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.
3538
3539 2008-08-06  Michael Matz  <matz@suse.de>
3540
3541         * Makefile.in (write_entries_to_file): Quote words.
3542         * gengtype.c: (read_input_line): Skip over leading white-space.
3543
3544 2008-08-06  Marc Gauthier  <marc@tensilica.com>
3545
3546         * config.gcc: Match more processor names for Xtensa.
3547         * configure.ac: Likewise.
3548         * doc/install.texi (Specific): Likewise.
3549         * configure: Regenerate.
3550
3551 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3552
3553         * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
3554         * calls.c (avoid_likely_spilled_reg): Likewise.
3555         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
3556         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
3557         * config/i386/i386.c (ix86_expand_special_args_builtin,
3558         ix86_secondary_reload): Likewise.
3559         * except.c (struct eh_region, gen_eh_region_catch,
3560         remove_unreachable_regions, duplicate_eh_regions,
3561         assign_filter_values, build_post_landing_pads,
3562         sjlj_find_directly_reachable_regions, remove_eh_handler,
3563         reachable_next_level, foreach_reachable_handler,
3564         can_throw_internal_1, can_throw_external_1,
3565         collect_one_action_chain): Likewise.
3566         * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
3567         * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
3568         * function.c (update_temp_slot_address, instantiate_new_reg,
3569         instantiate_virtual_regs_in_rtx,
3570         instantiate_virtual_regs_in_insn): Likewise.
3571         * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
3572         * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
3573         gimplify_cleanup_point_expr): Likewise.
3574         * ipa-cp.c (ipcp_lattice_changed): Likewise.
3575         * passes.c (next_pass_1): Likewise.
3576         * print-tree.c (print_node_brief, print_node): Likewise.
3577         * profile.c (branch_prob): Likewise.
3578         * tree-dump.c (dump_register): Likewise.
3579         * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
3580         Likewise.
3581         * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
3582         copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
3583         copy_edges_for_bb, copy_cfg_body, copy_tree_r,
3584         copy_arguments_for_versioning, copy_static_chain): Likewise.
3585         * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
3586         add_new_name_mapping, register_new_name_mapping): Likewise.
3587         * tree-mudflap.c (mf_xform_derefs): Likewise.
3588         * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
3589         get_init_expr, combine_chains): Likewise.
3590         * tree-pretty-print.c (dump_generic_node): Likewise.
3591         * tree-ssa-structalias.c (create_variable_info_for): Likewise.
3592         * tree-vrp.c (simplify_cond_using_ranges): Likewise.
3593         * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
3594         * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
3595
3596 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3597
3598         PR middle-end/37010
3599         * calls.c (expand_call): Use the biggest preferred stack
3600         boundary.
3601
3602 2008-08-06  Michael Matz  <matz@suse.de>
3603
3604         PR target/36613
3605         * reload.c (push_reload): Merge in,out,in_reg,out_reg members
3606         for reused reload, instead of overwriting them.
3607
3608 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3609
3610         PR middle-end/37009
3611         * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
3612         for incoming stack boundary.
3613
3614         * function.c (assign_parm_find_entry_rtl): Update
3615         parm_stack_boundary.
3616
3617         * function.h (rtl_data): Add parm_stack_boundary.
3618
3619         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
3620         parm_stack_boundary for incoming stack boundary.
3621
3622 2008-08-06  Joseph Myers  <joseph@codesourcery.com>
3623
3624         * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
3625         for unrepresentable subregs or treat them as equal to other regs
3626         or subregs with the same register number.
3627
3628 2008-08-06  Aldy Hernandez  <aldyh@redhat.com>
3629
3630         PR middle-end/35432
3631         * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
3632         if want_value.
3633
3634 2008-08-06  Jan Hubicka  <jh@suse.cz>
3635
3636         * predict.c (maybe_hot_frequency_p): When profile is absent, all
3637         frequencies might be hot.
3638
3639 2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3640
3641         * reload.c (find_reloads): Force constants into literal pool
3642         also if they are wrapped in a SUBREG.
3643
3644 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3645
3646         PR target/35659
3647         * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
3648         * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
3649         Don't allow predicated instructions for data speculation.
3650         * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
3651         declaration.
3652
3653 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3654
3655         * haifa-sched.c (extend_global): Split to extend_global_data and
3656         extend_region_data.  Update all uses.
3657         (extend_all): Rename to extend_block_data.
3658
3659 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3660
3661         * sched-rgn.c (new_ready): Check if instruction can be
3662         speculatively scheduled before attempting speculation.
3663         (debug_rgn_dependencies): Remove wrongful assert.
3664
3665 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3666
3667         * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
3668
3669 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3670
3671         * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
3672         (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
3673         va_size, and type_size.
3674
3675 2008-08-04  Jason Merrill  <jason@redhat.com>
3676
3677         PR c++/37016
3678         * tree-ssa.c (useless_type_conversion_p_1): Call langhook
3679         if TYPE_STRUCTURAL_EQUALITY_P is true for both types.
3680
3681 2008-08-05  Richard Henderson  <rth@redhat.com>
3682
3683         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
3684         * configure: Rebuild.
3685
3686 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3687
3688         PR tree-opt/37024
3689         * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
3690         instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
3691         is a conversion.
3692
3693 2008-08-05  Richard Henderson  <rth@redhat.com>
3694
3695         * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
3696         * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
3697         * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
3698         * common.opt (fdwarf2-cfi-asm): New.
3699         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
3700         * config.in, configure: Rebuild.
3701         * dwarf2asm.c (dw2_asm_output_data_raw): New.
3702         (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
3703         (dw2_force_const_mem): Externalize.
3704         * dwarf2asm.h: Update.
3705         * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
3706         generate a real label.
3707         (output_cfi_directive): New.
3708         (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
3709         (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
3710         (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
3711         and .cfi_lsda.
3712         (dwarf2out_end_epilogue): Emit .cfi_endproc.
3713         (output_loc_operands_raw, output_loc_sequence_raw): New.
3714         (output_cfa_loc_raw): New.
3715
3716 2008-08-05  Paul Brook  <paul@codesourcery.com>
3717
3718         * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
3719         * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
3720         (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
3721         (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
3722         * config/arm/arm.h (TARGET_VFPD32): Define.
3723         (TARGET_VFP3): Use TARGET_VFPD32.
3724         (fputype): Add FPUTYPE_VFP3D16.
3725         (LAST_VFP_REGNUM): Use TARGET_VFPD32.
3726         * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
3727         * config/arm/arm-cores.def: Add cortex-r4f.
3728         * config/arm/arm-tune.md: Regenerate.
3729
3730 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3731
3732         * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
3733         Reword some comments throughout the file.
3734
3735         (MFC_MIN_DMA_LIST_ELEMENTS): New define.
3736         (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
3737         (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of MFC_MIN_DMA_LIST_ELEMENTS.
3738         (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of MFC_MAX_DMA_LIST_ELEMENTS.
3739
3740         (MFC_START_ENABLE): Remove PPU-only define.
3741         (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
3742         (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.
3743
3744         (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
3745         (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
3746         (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
3747         (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
3748         (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
3749         (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
3750         (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.
3751
3752         (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
3753         (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
3754         (mfc_sdcrt, mfc_sdcrtst): Likewise.
3755         (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.
3756
3757         (spu_read_machine_status): Fix typo.
3758
3759 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3760
3761         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
3762         SUBREG of multi-word hard register.
3763         * config/spu/spu.c (valid_subreg): Likewise.
3764         (adjust_operand): Handle SUBREGs of multi-word hard registers.
3765
3766 2008-08-04  Richard Guenther  <rguenther@suse.de>
3767
3768         * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
3769         the candidate with the stripped base if that base is different
3770         from the original base even for offset zero.
3771
3772 2008-08-04  Richard Guenther  <rguenther@suse.de>
3773
3774         PR middle-end/36691
3775         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
3776         check for no_overflow.
3777
3778 2008-08-04  Richard Guenther  <rguenther@suse.de>
3779
3780         * tree-vect-transform.c (vectorizable_call): Fix tuplification.
3781
3782 2008-08-04  Paul Brook  <paul@codesourcery.com>
3783
3784         * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
3785         (arm_order_regs_for_local_alloc): New function.
3786         * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
3787         prototype.
3788         * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.
3789
3790 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3791
3792         PR target/37012
3793         * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
3794         instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
3795         (ix86_expand_epilogue): Likewise.
3796
3797 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3798
3799         * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
3800         in comments.
3801
3802 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3803
3804         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
3805         to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
3806         (*movv2sf_internal_rex64): Ditto.
3807
3808 2008-08-03  Jan Hubicka  <jh@suse.cz>
3809
3810         * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
3811         expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
3812         * expmed.c (expand_smod_pow2): Likewise.
3813
3814 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3815
3816         PR target/36992
3817         * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
3818         alternative 0 of operand 1.
3819         (*vec_concatv2di_rex64_sse): Ditto.
3820         (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
3821         of operand 1.
3822         (*sse2_storeq_rex64): Penalize allocation of "r" registers.
3823         * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
3824         of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
3825         (*movv2sf_internal_rex64): Ditto.
3826
3827 2008-08-02  Richard Guenther  <rguenther@suse.de>
3828
3829         PR target/35252
3830         * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
3831         (ssedoublesizemode): New mode attribute.
3832         (sse_shufps): Call gen_sse_shufps_v4sf.
3833         (sse_shufps_1): Macroize.
3834         (sse2_shufpd): Call gen_Sse_shufpd_v2df.
3835         (sse2_shufpd_1): Macroize.
3836         (vec_extract_odd, vec_extract_even): New expanders.
3837         (vec_interleave_highv4sf, vec_interleave_lowv4sf,
3838         vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
3839         * i386.c (ix86_expand_vector_init_one_nonzero): Call
3840         gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
3841         (ix86_expand_vector_set): Likewise.
3842         (ix86_expand_reduc_v4sf): Likewise.
3843
3844 2008-08-01  Doug Kwan  <dougkwan@google.com>
3845
3846         * matrix-reorg.c: Re-enable all code.
3847         (struct malloc_call_data): Change CALL_STMT to gimple type.
3848         (collect_data_for_malloc_call): Tuplify.
3849         (struct access_site_info): Change STMT to gimple type.
3850         (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
3851         and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
3852         (struct free_info): Change STMT to gimple type.
3853         (struct matrix_access_phi_node):  Change PHI to gimple type.
3854         (get_inner_of_cast_expr): Remove.
3855         (may_flatten_matrices_1): Tuplify.
3856         (may_flatten_matrices): Ditto.
3857         (mark_min_matrix_escape_level): Ditto.
3858         (ssa_accessed_in_tree): Refactor statement RHS related code into ...
3859         (ssa_accessed_in_call_rhs): New
3860         (ssa_accessed_in_assign_rhs): New
3861         (record_access_alloc_site_info): Tuplify.
3862         (add_allocation_site): Ditto.
3863         (analyze_matrix_allocation_site): Ditto.
3864         (analyze_transpose): Ditto.
3865         (get_index_from_offset): Ditto.
3866         (update_type_size): Ditto.
3867         (analyze_accesses_for_call_expr): Tuplify and renamed into ...
3868         (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
3869         (analyze_accesses_for_phi_node): Tuplify.
3870         (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
3871         (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
3872         (analyze_matrix_accesses): Tuplify.
3873         (check_var_data): New call-back type for check_var_notmodified_p.
3874         (check_var_notmodified_p): Tuplify and use call-back struct to
3875         return statement found.
3876         (can_calculate_expr_before_stmt): Factor out statement related code
3877         into ...
3878         (can_calculate_stmt_before_stmt): New.
3879         (check_allocation_function): Tuplify.
3880         (find_sites_in_func): Ditto.
3881         (record_all_accesses_in_func): Ditto.
3882         (transform_access_sites): Ditto.
3883         (transform_allocation_sites): Ditto.
3884         (matrix_reorg): Re-enable.
3885         (gate_matrix_reorg): Re-enable.
3886
3887 2008-08-01  Jakub Jelinek  <jakub@redhat.com>
3888
3889         * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
3890         for labels for which it hasn't been set yet.  If it has been set,
3891         stop walking insns and continue with next worklist item.
3892         (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
3893         if the only BARRIER is at the very end of a function.
3894
3895 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3896
3897         * cfgexpand.c (expand_stack_alignment): Assert that
3898         stack_realign_drap and drap_rtx must match.
3899
3900         * function.c (instantiate_new_reg): If DRAP is used to realign
3901         stack, replace virtual_incoming_args_rtx with internal arg
3902         pointer.
3903
3904 2008-08-01  Richard Guenther  <rguenther@suse.de>
3905
3906         * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
3907         loop information only if we initialized it.
3908         (execute_pre): Call fini_pre with in_fre.
3909         * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
3910         if we do not unroll because we hit max-completely-peeled-insns.
3911         Use our estimation for consistency, do allow shrinking.
3912
3913 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3914
3915         * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
3916         with MIN_STACK_BOUNDARY.
3917         (ix86_update_stack_boundary): Likewise.
3918         (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
3919         STACK_BOUNDARY.
3920
3921         * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
3922         (MIN_STACK_BOUNDARY): This.
3923
3924 2008-08-01  Richard Guenther  <rguenther@suse.de>
3925
3926         PR middle-end/36997
3927         * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
3928
3929 2008-08-01  Richard Guenther  <rguenther@suse.de>
3930
3931         PR tree-optimization/36988
3932         * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
3933         do not matter if that doesn't change volatile qualification.
3934
3935 2008-08-01  Paolo Bonzini  <bonzini@gnu.org>
3936
3937         * configure.ac: Do not generate libada-mk.  Do not subst
3938         host_cc_for_libada.
3939         * libada-mk.in: Remove.
3940         * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
3941         * configure: Regenerate.
3942
3943 2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>
3944
3945         * tree-pass.h: Added comment about not dumping passes with name
3946         starting with star in struct opt_pass.
3947         * passes.c (register_dump_files_1): Don't do dump for a pass with
3948         name starting with star.
3949         * doc/passes.texi (Pass manager): Mention pass names and special
3950         meaning of star prefix to avoid dump.
3951
3952 2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>
3953
3954         * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
3955         to MIPS64r2.
3956         * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
3957         (ISA_MIPS64R2): New macro.
3958         (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
3959         (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
3960         ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
3961         ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
3962         ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
3963         ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
3964         ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
3965         (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
3966         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
3967         Move up to keep list alphabetically sorted.
3968         (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
3969         * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
3970         processor.
3971         * doc/invoke.texi (MIPS Options): Add -mips64r2.
3972         (-march=@var{arch}): Add mips64r2.
3973
3974 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3975
3976         * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.
3977
3978 2008-07-31  Steve Ellcey  <sje@cup.hp.com>
3979
3980         * expr.c (expand_assignment): Check for complete type.
3981
3982 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3983
3984         PR debug/36977
3985         * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.
3986
3987         * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
3988         for stack alignment.
3989
3990         * function.h (rtl_data): Add stack_realign_tried.  Update comments.
3991
3992 2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>
3993
3994         * config/sh/sh.c (sh_canonical_va_list_type): Remove.
3995         (TARGET_CANONICAL_VA_LIST_TYPE): Remove.
3996
3997 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
3998
3999         PR rtl-optimization/36419
4000         * dwarf2out.c (barrier_args_size): New variable.
4001         (compute_barrier_args_size, compute_barrier_args_size_1): New
4002         functions.
4003         (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
4004         if not called yet in the current function, use barrier_args_size
4005         array to find the new args_size value.
4006         (dwarf2out_frame_debug): Free and clear barrier_args_size.
4007
4008 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
4009
4010         PR debug/36980
4011         * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
4012         rule 19.
4013
4014 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
4015
4016         PR debug/36976
4017         * dwarf2out.c (dwarf2out_args_size_adjust): New.
4018         (dwarf2out_stack_adjust): Use it.
4019         (dwarf2out_frame_debug_expr): Likewise.
4020
4021 2008-07-31  Richard Guenther  <rguenther@suse.de>
4022
4023         PR tree-optimization/36978
4024         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
4025         the generated condition.
4026
4027 2008-07-31  Richard Guenther  <rguenther@suse.de>
4028
4029         * passes.c (init_optimization_passes): Always call
4030         pass_early_warn_uninitialized.
4031         * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
4032         * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
4033         * doc/passes.texi (Warn for uninitialized variables): Adjust.
4034
4035 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
4036
4037         PR c/36970
4038         * builtins.c (maybe_emit_free_warning): New function.
4039         (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
4040         maybe_emit_free_warning for BUILT_IN_FREE.
4041
4042         PR debug/36278
4043         * dwarf2out.c (get_context_die): New function.
4044         (force_decl_die, force_type_die): Use it.
4045         (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
4046         returns NULL, force generation of DW_TAG_typedef and put that into
4047         DW_AT_import.
4048
4049         PR preprocessor/36649
4050         * c-pch.c (c_common_read_pch): Save and restore
4051         line_table->trace_includes across PCH restore.
4052
4053 2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>
4054
4055         PR ada/36554
4056         * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
4057
4058 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
4059
4060         PR 36974
4061         * final.c (call_from_call_insn): Handle COND_EXEC.
4062
4063 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
4064
4065         * builtins.c (std_gimplify_va_arg_expr): Replace
4066         PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
4067         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4068
4069 2008-07-30  Joey Ye  <joey.ye@intel.com>
4070             H.J. Lu  <hongjiu.lu@intel.com>
4071
4072         * builtins.c (expand_builtin_setjmp_receiver): Replace
4073         virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
4074         (expand_builtin_apply_args_1): Likewise.
4075         (expand_builtin_longjmp): Need DRAP for stack alignment.
4076         (expand_builtin_apply): Likewise.
4077
4078         * caller-save.c (setup_save_areas): Call assign_stack_local_1
4079         instead of assign_stack_local to allow alignment reduction.
4080
4081         * calls.c (emit_call_1): Need DRAP for stack alignment if
4082         return pops.
4083         (expand_call): Replace virtual_incoming_args_rtx with
4084         crtl->args.internal_arg_pointer.
4085         * stmt.c (expand_nl_goto_receiver): Likewise.
4086
4087         * cfgexpand.c (get_decl_align_unit): Estimate stack variable
4088         alignment and store to stack_alignment_estimated and
4089         max_used_stack_slot_alignment.
4090         (expand_one_var): Likewise.
4091         (expand_stack_alignment): New function.
4092         (tree_expand_cfg): Initialize max_used_stack_slot_alignment
4093         and stack_alignment_estimated fields in rtl_data.  Call
4094         expand_stack_alignment at end.
4095
4096         * defaults.h (INCOMING_STACK_BOUNDARY): New.
4097         (MAX_STACK_ALIGNMENT): Likewise.
4098         (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
4099         (SUPPORTS_STACK_ALIGNMENT): Likewise.
4100
4101         * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
4102         stack alignment when generating virtual registers.
4103
4104         * function.c (assign_stack_local): Renamed to ...
4105         (assign_stack_local_1): This.  Add a parameter to indicate
4106         if it is OK to reduce alignment.
4107         (assign_stack_local): Use it.
4108         (instantiate_new_reg): Instantiate virtual incoming args rtx
4109         to vDRAP if stack realignment and DRAP is needed.
4110         (assign_parms): Collect parameter/return type alignment and
4111         contribute to stack_alignment_estimated.
4112         (locate_and_pad_parm): Likewise.
4113         (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
4114         with crtl->args.internal_arg_pointer.
4115
4116         * function.h (rtl_data): Add new field drap_reg,
4117         max_used_stack_slot_alignment, stack_alignment_estimated,
4118         stack_realign_needed, need_drap, stack_realign_processed and
4119         stack_realign_finalized.
4120         (stack_realign_fp): New macro.
4121         (stack_realign_drap): Likewise.
4122
4123         * global.c (compute_regsets): Frame pointer is needed when
4124         stack is realigned.  Can eliminate frame pointer when stack is
4125         realigned and dynamic realigned argument pointer isn't used.
4126
4127         * reload1.c (update_eliminables):  Frame pointer is needed
4128         when stack is realigned.
4129         (init_elim_table): Can eliminate frame pointer when stack is
4130         realigned and dynamic realigned argument pointer isn't used.
4131
4132         * rtl.h (assign_stack_local_1): Declare new funtion.
4133
4134         * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
4135         (TARGET_GET_DRAP_RTX): Likewise.
4136         (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
4137         TARGET_GET_DRAP_RTX.
4138
4139         * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.
4140
4141         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
4142         STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
4143
4144 2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
4145             H.J. Lu  <hongjiu.lu@intel.com>
4146
4147         * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
4148         vdrap_reg, stack_realign and drap_reg_saved.
4149         (add_cfi): Don't allow redefining CFA when DRAP is used.
4150         (reg_save): Handle stack alignment.
4151         (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
4152         alignment.  Don't generate DWARF information for (set fp sp)
4153         when DRAP is used.
4154         (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
4155         to INVALID_REGNUM.
4156         (int_loc_descriptor): Move prototype forward.  Also define if
4157         DWARF2_UNWIND_INFO is true.
4158         (output_cfa_loc): Handle DW_CFA_expression.
4159         (build_cfa_aligned_loc): New.
4160         (based_loc_descr): Update assert for stack realign.  For local
4161         variables, use sp+offset when stack is aligned without drap and
4162         fp+offset when stack is aligned with drap.  For arguments, use
4163         cfa+offset when drap is used to align stack.
4164
4165 2008-07-30  Joey Ye  <joey.ye@intel.com>
4166             H.J. Lu  <hongjiu.lu@intel.com>
4167
4168         * config/i386/i386.c (ix86_force_align_arg_pointer_string):
4169         Break long line.
4170         (ix86_gen_andsp): New.
4171         (ix86_user_incoming_stack_boundary): Likewise.
4172         (ix86_default_incoming_stack_boundary): Likewise.
4173         (ix86_incoming_stack_boundary): Likewise.
4174         (ix86_can_eliminate): Likewise.
4175         (find_drap_reg): Likewise.
4176         (ix86_update_stack_boundary): Likewise.
4177         (ix86_get_drap_rtx): Likewise.
4178         (ix86_finalize_stack_realign_flags): Likewise.
4179         (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
4180         (TARGET_GET_DRAP_RTX): Likewise.
4181         (override_options): Overide option value for new options.
4182         (ix86_function_ok_for_sibcall): Remove check for
4183         force_align_arg_pointer.
4184         (ix86_handle_cconv_attribute): Likewise.
4185         (ix86_function_regparm): Likewise.
4186         (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
4187         (ix86_va_start): Replace virtual_incoming_args_rtx with
4188         crtl->args.internal_arg_pointer.
4189         (ix86_select_alt_pic_regnum): Check DRAP register.
4190         (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
4191         (ix86_compute_frame_layout): Compute frame layout wrt stack
4192         realignment.
4193         (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
4194         (ix86_expand_prologue): Decide if stack realignment is needed
4195         and generate prologue code accordingly.
4196         (ix86_expand_epilogue): Generate epilogue code wrt stack
4197         realignment is really needed or not.
4198
4199         * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
4200         (ABI_STACK_BOUNDARY): Likewise.
4201         (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
4202         (STACK_REALIGN_DEFAULT): Likewise.
4203         (INCOMING_STACK_BOUNDARY): Likewise.
4204         (MAX_STACK_ALIGNMENT): Likewise.
4205         (ix86_incoming_stack_boundary): Likewise.
4206         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
4207         (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
4208         (CAN_ELIMINATE): Defined with ix86_can_eliminate.
4209         (machine_function): Remove force_align_arg_pointer.
4210
4211         * config/i386/i386.md (BX_REG): New.
4212         (R13_REG): Likewise.
4213
4214         * config/i386/i386.opt (mforce_drap): New.
4215         (mincoming-stack-boundary): Likewise.
4216         (mstackrealign): Add Init(-1).
4217
4218         * config/i386/i386-protos.h (ix86_can_eliminate): New
4219
4220 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
4221
4222         * doc/extend.texi: Update force_align_arg_pointer.
4223
4224         * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
4225         -mstackrealign.
4226
4227         * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
4228         (INCOMING_STACK_BOUNDARY): Likewise.
4229         (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
4230         (TARGET_GET_DRAP_RTX): Likewise.
4231
4232 2008-07-30  Andreas Schwab  <schwab@suse.de>
4233
4234         PR rtl-optimization/36929
4235         * dse.c (replace_inc_dec): Use emit_insn_before instead of
4236         add_insn_before and fix argument order.
4237         (replace_inc_dec_mem): Handle NULL rtx.
4238
4239 2008-07-30  Andrew Jenner  <andrew@codesourcery.com>
4240
4241         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
4242         function.
4243         (arm_compute_initial_elimination_offset): Use it.
4244         (arm_compute_save_reg_mask): Include static chain save slot when
4245         calculating alignment.
4246         (arm_get_frame_offsets): Ditto.
4247         (thumb1_compute_save_reg_mask): Ensure we have a low register saved
4248         that we can use to decrement the stack when the stack decrement
4249         could be too big for an immediate value in a single insn.
4250         (thumb1_expand_prologue): Avoid using r12 for stack decrement.
4251
4252 2008-07-30  Richard Guenther  <rguenther@suse.de>
4253
4254         PR tree-optimization/36967
4255         * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
4256         Release defs of statements we remove.
4257
4258 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
4259
4260         * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
4261         instead of NULL_RTVEC.
4262
4263 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
4264
4265         PR target/35866
4266
4267         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
4268         vector modes.
4269
4270 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
4271
4272         * final.c (call_from_call_insn): New.
4273         (final_scan_insn): Call assemble_external on FUNCTION_DECLs.
4274
4275 2008-07-30  Paolo Bonzini  <bonzini@gnu.org>
4276
4277         * configure.ac: Substitute ADA_CFLAGS.
4278         * configure: Regenerate.
4279         * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
4280         * Makefile.in: Remove mention of X_* variables.
4281         * config/pa/x-ada-hpux10: Remove.
4282         * config/pa/x-ada: Remove.
4283
4284         * doc/fragments.texi: Update.
4285
4286 2008-07-30  Olivier Hainque  <hainque@adacore.com>
4287
4288         * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
4289         * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
4290         __dso_handle explicitly here.
4291
4292 2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4293
4294         PR 34389
4295         * c-typeck.c (build_binary_op): Encapsulate code into...
4296         * c-common.c (shorten_binary_op): ...this new function.
4297         (conversion_warning): Use the new function. Handle non-negative
4298         constant in bitwise-and.
4299         * c-common.h (shorten_binary_op): Declare.
4300
4301 2008-07-30  Olivier Hainque  <hainque@adacore.com>
4302
4303         * scan.c (make_sstring_space): Add explicit conversions of
4304         allocator's return value.
4305         * fix-header.c (recognized_function): Likewise.
4306
4307 2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4308
4309         * doc/cpp.texi: Update to GFDL 1.2.
4310         * doc/gcc.texi: Do not list GPL as Invariant Section.
4311         * doc/gccint.texi: Likewise.  Update copyright years.
4312         * doc/install.texi: Update copyright years.
4313
4314 2008-07-30  Alan Modra  <amodra@bigpond.net.au>
4315
4316         PR target/36955
4317         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
4318         a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.
4319
4320 2008-07-29  Jan Hubicka  <jh@suse.cz>
4321
4322         * c-decl.c (merge_decls): Do not handle DECL_INLINE.
4323         (grokdeclarator): Likewise.
4324         * langhooks.c (lhd_warn_unused_global_decl): Use
4325         DECL_DECLARED_INLINE_P.
4326         * print-tree.c (print_node): Remove DECL_INLINE check.
4327
4328 2008-07-29  Richard Guenther  <rguenther@suse.de>
4329
4330         PR tree-optimization/36945
4331         * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
4332         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
4333         Record invariant addresses un-decomposed.
4334         (copy_reference_ops_from_call): Record reference call
4335         arguments properly.  Simplify.
4336         * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
4337         helper split out from ...
4338         (create_component_ref_by_pieces): ... here.  Simplify.
4339         Prepare for recursive invocation for call arguments.
4340         (create_expression_by_pieces): Adjust call to
4341         create_component_ref_by_pieces.
4342         (compute_avail): Process operand 2 of reference ops.
4343
4344 2008-07-29  Richard Guenther  <rguenther@suse.de>
4345
4346         * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.
4347
4348 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
4349
4350         * c-format.c (check_format_types): Revert unwanted checkin.
4351
4352 2008-07-29  Jan Hubicka  <jh@suse.cz>
4353
4354         * flags.h (flag_really_no_inline): Remove.
4355         * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
4356         * toplev.c (flag_really_no_inline): Remove.
4357         * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
4358         * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
4359         (cgraph_decide_inlining_incrementally): Likewise.
4360         (compute_inline_parameters): Likewise.
4361         * opts.c (decode_options): Simplify.
4362         * c-opts.c (c_common_post_options): Do not set flag_no_inline.
4363         * common.opt (finline): Initialize to 1.
4364         * tree-inline.c (inlinable_function_p): Check flag_no_inline.
4365
4366 2008-07-29  Jan Hubicka  <jh@suse.cz>
4367
4368         * predict.c (always_optimize_for_size_p): New function.
4369         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
4370         optimize_edge_for_size_p, optimize_edge_for_speed_p,
4371         optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
4372         functions.
4373         (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
4374         * function.c (prepare_function_start): Set default profile.
4375         * function.h (rtl_data): Add maybe_hot_insn_p.
4376         * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
4377         (construct_exit_block): Likewise.
4378         (tree_expand_cfg): Likewise.
4379         * basic-block.h
4380         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
4381         optimize_edge_for_size_p, optimize_edge_for_speed_p,
4382         optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
4383         (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
4384         Declare.
4385
4386 2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4387
4388         PR 34985
4389         * c-decl.c (merge_decls): Merge USED flags.
4390
4391 2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
4392
4393         * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
4394         valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
4395         next_stack, lab_false and lab_over trees.
4396
4397 2008-07-28  Richard Guenther  <rguenther@suse.de>
4398
4399         PR tree-optimization/36957
4400         * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
4401         (useless_type_conversion_p): Remove.
4402         (types_compatible_p): Remove.
4403         * gimple.h (tree_ssa_useless_type_conversion): Declare.
4404         (useless_type_conversion_p): Declare.
4405         (types_compatible_p): Declare.
4406         (gimple_expr_type): Return the base type only if it is
4407         trivially convertible to the subtype.
4408
4409 2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>
4410
4411         * configure.ac: Use the m4_do macro to concatenate the warnings into
4412         one string in ACX_PROG_CC_WARNING_OPTS,
4413         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
4414         * configure: Regenerate.
4415
4416 2008-07-28  Richard Guenther  <rguenther@suse.de>
4417
4418         * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
4419         (insert_fake_stores): Remove.
4420         (realify_fake_stores): Likewise.
4421         (execute_pre): Remove dead code.
4422         * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
4423         (find_func_aliases): Deal with it here instead.
4424         Re-enable gcc_unreachable call.
4425
4426 2008-07-28  Richard Guenther  <rguenther@suse.de>
4427
4428         Merge from gimple-tuples-branch.
4429
4430         * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
4431         * gimple.def: New file.
4432         * gsstruct.def: Likewise.
4433         * gimple-iterator.c: Likewise.
4434         * gimple-pretty-print.c: Likewise.
4435         * tree-gimple.c: Removed.  Merged into ...
4436         * gimple.c: ... here.  New file.
4437         * tree-gimple.h: Removed.  Merged into ...
4438         * gimple.h: ... here.  New file.
4439
4440         * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
4441         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
4442         --enable-checking=gimple flag.
4443         * config.in: Likewise.
4444         * configure: Regenerated.
4445
4446         * tree-ssa-operands.h: Tuplified.
4447         * tree-vrp.c: Likewise.
4448         * tree-loop-linear.c: Likewise.
4449         * tree-into-ssa.c: Likewise.
4450         * tree-ssa-loop-im.c: Likewise.
4451         * tree-dump.c: Likewise.
4452         * tree-complex.c: Likewise.
4453         * cgraphbuild.c: Likewise.
4454         * tree-ssa-threadupdate.c: Likewise.
4455         * tree-ssa-loop-niter.c: Likewise.
4456         * tree-pretty-print.c: Likewise.
4457         * tracer.c: Likewise.
4458         * gengtype.c: Likewise.
4459         * tree-loop-distribution.c: Likewise.
4460         * tree-ssa-loop-unswitch.c: Likewise.
4461         * cgraph.c: Likewise.
4462         * cgraph.h: Likewise.
4463         * tree-ssa-loop-manip.c: Likewise.
4464         * value-prof.c: Likewise.
4465         * tree-ssa-loop-ch.c: Likewise.
4466         * tree-tailcall.c: Likewise.
4467         * value-prof.h: Likewise.
4468         * tree.c: Likewise.
4469         * tree.h: Likewise.
4470         * tree-pass.h: Likewise.
4471         * ipa-cp.c: Likewise.
4472         * tree-scalar-evolution.c: Likewise.
4473         * tree-scalar-evolution.h: Likewise.
4474         * target.h: Likewise.
4475         * lambda-mat.c: Likewise.
4476         * tree-phinodes.c: Likewise.
4477         * diagnostic.h: Likewise.
4478         * builtins.c: Likewise.
4479         * tree-ssa-alias-warnings.c: Likewise.
4480         * cfghooks.c: Likewise.
4481         * fold-const.c: Likewise.
4482         * cfghooks.h: Likewise.
4483         * omp-low.c: Likewise.
4484         * tree-ssa-dse.c: Likewise.
4485         * ipa-reference.c: Likewise.
4486         * tree-ssa-uncprop.c: Likewise.
4487         * toplev.c: Likewise.
4488         * tree-gimple.c: Likewise.
4489         * tree-gimple.h: Likewise.
4490         * tree-chrec.c: Likewise.
4491         * tree-chrec.h: Likewise.
4492         * tree-ssa-sccvn.c: Likewise.
4493         * tree-ssa-sccvn.h: Likewise.
4494         * cgraphunit.c: Likewise.
4495         * tree-ssa-copyrename.c: Likewise.
4496         * tree-ssa-ccp.c: Likewise.
4497         * tree-ssa-loop-ivopts.c: Likewise.
4498         * tree-nomudflap.c: Likewise.
4499         * tree-call-cdce.c: Likewise.
4500         * ipa-pure-const.c: Likewise.
4501         * c-format.c: Likewise.
4502         * tree-stdarg.c: Likewise.
4503         * tree-ssa-math-opts.c: Likewise.
4504         * tree-ssa-dom.c: Likewise.
4505         * tree-nrv.c: Likewise.
4506         * tree-ssa-propagate.c: Likewise.
4507         * ipa-utils.c: Likewise.
4508         * tree-ssa-propagate.h: Likewise.
4509         * tree-ssa-alias.c: Likewise.
4510         * gimple-low.c: Likewise.
4511         * tree-ssa-sink.c: Likewise.
4512         * ipa-inline.c: Likewise.
4513         * c-semantics.c: Likewise.
4514         * dwarf2out.c: Likewise.
4515         * expr.c: Likewise.
4516         * tree-ssa-loop-ivcanon.c: Likewise.
4517         * predict.c: Likewise.
4518         * tree-ssa-loop.c: Likewise.
4519         * tree-parloops.c: Likewise.
4520         * tree-ssa-address.c: Likewise.
4521         * tree-ssa-ifcombine.c: Likewise.
4522         * matrix-reorg.c: Likewise.
4523         * c-decl.c: Likewise.
4524         * tree-eh.c: Likewise.
4525         * c-pretty-print.c: Likewise.
4526         * lambda-trans.c: Likewise.
4527         * function.c: Likewise.
4528         * langhooks.c: Likewise.
4529         * ebitmap.h: Likewise.
4530         * tree-vectorizer.c: Likewise.
4531         * function.h: Likewise.
4532         * langhooks.h: Likewise.
4533         * tree-vectorizer.h: Likewise.
4534         * ipa-type-escape.c: Likewise.
4535         * ipa-type-escape.h: Likewise.
4536         * domwalk.c: Likewise.
4537         * tree-if-conv.c: Likewise.
4538         * profile.c: Likewise.
4539         * domwalk.h: Likewise.
4540         * tree-data-ref.c: Likewise.
4541         * tree-data-ref.h: Likewise.
4542         * tree-flow-inline.h: Likewise.
4543         * tree-affine.c: Likewise.
4544         * tree-vect-analyze.c: Likewise.
4545         * c-typeck.c: Likewise.
4546         * gimplify.c: Likewise.
4547         * coretypes.h: Likewise.
4548         * tree-ssa-phiopt.c: Likewise.
4549         * calls.c: Likewise.
4550         * tree-ssa-coalesce.c: Likewise.
4551         * tree.def: Likewise.
4552         * tree-dfa.c: Likewise.
4553         * except.c: Likewise.
4554         * except.h: Likewise.
4555         * cfgexpand.c: Likewise.
4556         * tree-cfgcleanup.c: Likewise.
4557         * tree-ssa-pre.c: Likewise.
4558         * tree-ssa-live.c: Likewise.
4559         * tree-sra.c: Likewise.
4560         * tree-ssa-live.h: Likewise.
4561         * tree-predcom.c: Likewise.
4562         * lambda.h: Likewise.
4563         * tree-mudflap.c: Likewise.
4564         * ipa-prop.c: Likewise.
4565         * print-tree.c: Likewise.
4566         * tree-ssa-copy.c: Likewise.
4567         * ipa-prop.h: Likewise.
4568         * tree-ssa-forwprop.c: Likewise.
4569         * ggc-page.c: Likewise.
4570         * c-omp.c: Likewise.
4571         * tree-ssa-dce.c: Likewise.
4572         * tree-vect-patterns.c: Likewise.
4573         * tree-ssa-ter.c: Likewise.
4574         * tree-nested.c: Likewise.
4575         * tree-ssa.c: Likewise.
4576         * lambda-code.c: Likewise.
4577         * tree-ssa-loop-prefetch.c: Likewise.
4578         * tree-inline.c: Likewise.
4579         * tree-inline.h: Likewise.
4580         * tree-iterator.c: Likewise.
4581         * tree-optimize.c: Likewise.
4582         * tree-ssa-phiprop.c: Likewise.
4583         * tree-vect-transform.c: Likewise.
4584         * tree-object-size.c: Likewise.
4585         * tree-outof-ssa.c: Likewise.
4586         * cfgloop.c: Likewise.
4587         * system.h: Likewise.
4588         * tree-profile.c: Likewise.
4589         * cfgloop.h: Likewise.
4590         * c-gimplify.c: Likewise.
4591         * c-common.c: Likewise.
4592         * tree-vect-generic.c: Likewise.
4593         * tree-flow.h: Likewise.
4594         * c-common.h: Likewise.
4595         * basic-block.h: Likewise.
4596         * tree-ssa-structalias.c: Likewise.
4597         * tree-switch-conversion.c: Likewise.
4598         * tree-ssa-structalias.h: Likewise.
4599         * tree-cfg.c: Likewise.
4600         * passes.c: Likewise.
4601         * ipa-struct-reorg.c: Likewise.
4602         * ipa-struct-reorg.h: Likewise.
4603         * tree-ssa-reassoc.c: Likewise.
4604         * cfgrtl.c: Likewise.
4605         * varpool.c: Likewise.
4606         * stmt.c: Likewise.
4607         * tree-ssanames.c: Likewise.
4608         * tree-ssa-threadedge.c: Likewise.
4609         * langhooks-def.h: Likewise.
4610         * tree-ssa-operands.c: Likewise.
4611         * config/alpha/alpha.c: Likewise.
4612         * config/frv/frv.c: Likewise.
4613         * config/s390/s390.c: Likewise.
4614         * config/m32c/m32c.c: Likewise.
4615         * config/m32c/m32c-protos.h: Likewise.
4616         * config/spu/spu.c: Likewise.
4617         * config/sparc/sparc.c: Likewise.
4618         * config/i386/i386.c: Likewise.
4619         * config/sh/sh.c: Likewise.
4620         * config/xtensa/xtensa.c: Likewise.
4621         * config/stormy16/stormy16.c: Likewise.
4622         * config/ia64/ia64.c: Likewise.
4623         * config/rs6000/rs6000.c: Likewise.
4624         * config/pa/pa.c: Likewise.
4625         * config/mips/mips.c: Likewise.
4626
4627 2008-07-28  Simon Baldwin  <simonb@google.com>
4628
4629         * c-pragma.c (handle_pragma_message): New function.
4630         (init_pragma): Register handle_pragma_message.
4631         * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
4632         documentation.
4633
4634 2008-07-27  Victor Kaplansky  <victork@il.ibm.com>
4635
4636         PR tree-optimization/35252
4637         * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
4638         REALPART_EXPR to be considered as same load operation.
4639
4640 2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>
4641
4642         PR tree-optimization/36830
4643         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
4644         (expressions_equal_p): Return false if only one operand is null.
4645
4646 2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>
4647
4648         * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
4649         version requirements.
4650
4651 2008-07-26  Olivier Hainque  <hainque@adacore.com>
4652
4653         * collect2.c (symkind): New enum.  Symbol kinds we care about.
4654         (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
4655         code and head comment accordingly.
4656         (scan_prog_file): Use symkind names instead of bare integers.
4657
4658 2008-07-25  Jan Hubicka  <jh@suse.cz>
4659
4660         * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
4661         DECL_INLINE.
4662         * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
4663         (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
4664         * dojump.c (clear_pending_stack_adjust): Likewise.
4665         * print-tree.c (print_node): Ignore DECL_INLINE.
4666         * tree-inline.c (inlinable_function_p): Likewise.
4667
4668 2008-07-25  Michael Meissner  <gnu@the-meissners.org>
4669
4670         * doc/extend.texi (hot attribute): Document that the hot attribute
4671         turns on -O3 for some ports.
4672         (cold attribute): Document that the cold attribute turns on -Os
4673         for some ports
4674
4675         * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
4676         reflect function specific option support.
4677
4678         * target.h (struct target_option_hooks): Add fields to say whether
4679         the cold attribute implies -Os and the hot attribute implies -O3.
4680
4681         * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
4682         By default, do not turn on -Os for cold functions.
4683         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
4684         not turn on -O3 for hot functions.
4685
4686         * c-common.c (handle_hot_attribute): Use target hook to determine
4687         if hot functions should enable -O3.
4688         (handle_cold_attribute): Use target hook to determine if cold
4689         functions should enable -Os.
4690
4691         * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
4692         (override_options): Move disable scheduling to
4693         optimization_options.
4694         (optimization_options): Disable scheduling here, not
4695         override_options.
4696         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4697         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4698
4699         * config/ia64/ia64.c (ia64_override_options): Move setting
4700         scheduling flags to ia64_optimization_options.
4701         (ia64_optimization_options): Disable scheduling options here, and
4702         not in ia64_override_options.
4703         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4704         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4705
4706 2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>
4707
4708         PR target/36936
4709         * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.
4710
4711 2008-07-25  Martin Jambor  <mjambor@suse.cz>
4712
4713         PR tree-optimization/36926
4714         * ipa-prop.c (ipa_analyze_call_uses): Call
4715         ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.
4716
4717 2008-07-25  Joseph Myers  <joseph@codesourcery.com>
4718
4719         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4720         movv2si_internal): Add mem = reg alternative.
4721
4722 2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>
4723
4724         PR bootstrap/36918
4725         * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
4726         DEFAULT_PCC_STRUCT_RETURN to 127.
4727
4728 2008-07-24  Jan Hubicka  <jh@suse.cz>
4729
4730         * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
4731         (build_cgraph_edges): Likewise.
4732         * cgraph.c (cgraph_node): Do not update assembler hash.
4733         (cgraph_remove_node): Drop non-unit-at-a-time code.
4734         * tree-pass.h (pass_O0_always_inline): Remove.
4735         * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
4736         * toplev.c (process_options): Flag unit-at-a-time does not imply
4737         no section anchors.
4738         * cgraphunit.c: Update comments.
4739         (decide_is_function_needed): Drop non-unit-at-a-time mode.
4740         (cgraph_assemble_pending_functions): Remove.
4741         (cgraph_reset_node): Drop non-unit-at-a-time code.
4742         (cgraph_finalize_function): Likewise.
4743         (cgraph_analyze_function): Likewise.
4744         (cgraph_finalize_compilation_unit): Likewise.
4745         (cgraph_expand_function): Likewise.
4746         (cgraph_optimize): Likesise.
4747         (save_inline_function_body): Likewise.
4748         * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
4749         * tree-ssa-alias.c (maybe_be_aliased): Likewise.
4750         * ipa-inline.c: Update comments.
4751         (enum inlining_mode): remove INLINE_SPEED.
4752         (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
4753         (cgraph_mark_inline_edge): Likewise.
4754         (try_inline): Likewise.
4755         (cgraph_decide_inlining_incrementally): Likewise.
4756         (cgraph_gate_inlining): Remove.
4757         (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
4758         (cgraph_gate_early_inlining): Likewise.
4759         (gate_inline_passes): Remove.
4760         (pass_inline_parameters, pass_ipa_inline): Remove gates.
4761         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4762         pass_O0_always_inline): Remove.
4763         * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
4764         * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
4765         * opts.c (no_unit_at_a_time_default): Remove.
4766         (decode_options): Remove flag_unit_at_a_time reset and warning.
4767         * opts.h (no_unit_at_a_time_default): Remove.
4768         * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
4769         early in GNU dialect.
4770         (merge_decls): Update comment; drop unit-at-a-time check.
4771         (finish_decl): Likewise.
4772         (grok_declaration): Remove flag_inline_trees code.
4773         (finish_functions): Return on function returning non-void on all
4774         statics.
4775         * ipa-tye-escape.c (gate_type_escape_vars): Remove.
4776         * cfgexpand.c (expand_one_static_var): Remove.
4777         (expand_one_var): Remove expand_one_static_var call.
4778         (expand_used_vars_for_block): Remove flag_unit_a_time check.
4779         * c-opts.c (c_common_post_options): Remove flag_inline_trees code
4780         and flag_unit_at_a-time compatibility checks.
4781         * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
4782         * tree-inline.c (flag_inline_trees): Remove.
4783         (inlinable_function_p): Don't check it.
4784         (expand_call_inline): Remove non-unit-at-a-time code.
4785         * tree-inline.h (flag_inline_trees): Remove.
4786         * tree-optimize.c (execute_early_local_optimizations): Remove
4787         unit-at-a-time checks.
4788         (tree_rest_of_compilation): Likewise.
4789         * combine.c (setup_incoming_promotions): Likewise.
4790         * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
4791         * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
4792         * passes.c (pass_inline_parameters): Update comments; remove
4793         O0_alwaysinline pass.
4794         (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
4795         (execute_one_pass): Likewise.
4796         * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
4797         (ix86_function_sseregparm): Likewise.
4798         * arm.c (arm_function_in_section_p): Likewise.
4799         * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
4800         * varpool.c: Update comments.
4801         (decide_is_variable_needed): Remove unit-at-a-time checks.
4802         (varpool_finalize_decl): Likewise.
4803
4804 2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>
4805
4806         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
4807         to 2 instead of -1.
4808         (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.
4809
4810 2008-07-24  Kai Tietz  <kai.tietz@onevision.com>
4811
4812         * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
4813         imp symbol extension.
4814
4815         2008-07-23  Ian Lance Taylor  <iant@google.com>
4816
4817         * tree-vrp.c (infer_value_range): Ignore asm statements when
4818         looking for memory accesses for -fdelete-null-pointer-checks.
4819
4820 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4821
4822         * config/spu/spu-c.c (__vector_keyword): New variable.
4823         (vector_keyword): Likewise.
4824         (spu_categorize_keyword): New function.
4825         (spu_macro_to_expand): Likewise.
4826         (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
4827         compiling an ISO C dialect.
4828
4829 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4830
4831         * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
4832         conventional usage.
4833
4834 2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
4835
4836         * configure: Regenerate.
4837         * configure.ac: Require texinfo 4.7.
4838         * doc/install.texi: Document texinfo 4.7 requirement.
4839
4840 2008-07-23  Martin Jambor  <mjambor@suse.cz>
4841
4842         * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
4843         rather than for DECL_SAVED_TREE.
4844         * ipa-prop.c: Include diagnostic.h.
4845         (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
4846         thoroughly.
4847         (ipa_detect_param_modifications): Function rewritten from scratch.
4848         (ipa_compute_jump_functions): Changed accesses to modification flags.
4849         (ipa_free_node_params_substructures): Update flags destruction.
4850         (ipa_node_duplication_hook): Update flags duplication.
4851         (ipa_print_all_params_modified): Updated flag access.
4852         * ipa-prop.h (struct ipa_param_flags): New structure.
4853         (struct ipa_node_params): New field modification_analysis_done,
4854         modified_flags changed into param_flags.
4855         (ipa_is_ith_param_modified): Changed to use new flags.
4856         * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.
4857
4858         * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
4859         ipa-cp.c and split into two functions.
4860         (ipa_print_node_jump_functions): New function.
4861         (compute_scalar_jump_functions): New function.
4862         (type_like_member_ptr_p): New function.
4863         (compute_pass_through_member_ptrs): New function.
4864         (fill_member_ptr_cst_jump_function): New function.
4865         (determine_cst_member_ptr): New function.
4866         (compute_cst_member_ptr_arguments): New function.
4867         (ipa_compute_jump_functions): Complete rewrite.
4868         * ipa-prop.h (enum jump_func_type): Make explicit that we depend
4869         on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
4870         (struct ipa_member_ptr_cst): New structure.
4871         (union jump_func_value): New field member_cst.
4872         * ipa-cp.c (ipcp_lat_is_insertable): New function.
4873         (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
4874         jump function types.
4875         (ipcp_print_all_lattices): Slight fprintf rearrangement.
4876         (ipcp_print_all_structures): Call ipa_print_all_jump_functions
4877         instead of ipcp_print_all_jump_functions.
4878         (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
4879         only for replacable scalars.
4880
4881         * doc/invoke.texi (Optimize options): Add description of
4882         -findirect-inlining.
4883         * common.opt (flag_indirect_inlining): New flag.
4884         * opts.c (decode_options): Set flag_indirect_inlining when
4885         optimize >= 3.
4886
4887         * ipa-inline.c: Include ipa-prop.h.
4888         (inline_indirect_intraprocedural_analysis): New function.
4889         (inline_generate_summary): Allocate parameter and argument info
4890         structures, call inline_indirect_intraprocedural_analysis on each
4891         node when doing indirect inlining and deallocate indirect inlining
4892         data structures in the end.
4893         * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
4894         (free_all_ipa_structures_after_iinln): New function.
4895         (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
4896         done.
4897         * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.
4898
4899         * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
4900         (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4901         of computing the frequency separately.
4902         (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4903         of computing the frequency separately.
4904         * ipa-cp.c (ipcp_print_all_structures): Replace a call to
4905         ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
4906         * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
4907         (ipa_get_stmt_member_ptr_load_param): New function.
4908         (ipa_is_ssa_with_stmt_def): New function.
4909         (ipa_note_param_call): New function.
4910         (ipa_analyze_call_uses): New function.
4911         (ipa_analyze_stmt_uses): New function.
4912         (ipa_analyze_params_uses): New function.
4913         (ipa_free_node_params_substructures): Also free the param_calls linked
4914         list.
4915         (ipa_node_duplication_hook): Also duplicate the param_calls linked list.
4916         (ipa_print_node_param_flags): New function.
4917         (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
4918         (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
4919         * ipa-prop.h (struct ipa_param_flags): New field called.
4920         (struct ipa_param_call_note): New structure.
4921         (struct ipa_node_params): New fields param_calls and
4922         uses_analysis_done.
4923         (ipa_is_ith_param_called): New function.
4924         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
4925         ipa_analyze_params_uses and dump parameter flags.
4926
4927         * ipa-inline.c (cgraph_decide_recursive_inlining): Call
4928         ipa_propagate_indirect_call_infos if performing indirect inlining,
4929         pass a new parameter new_edges to it.
4930         (add_new_edges_to_heap): New fucntion.
4931         (cgraph_decide_inlining_of_small_functions): New vector
4932         new_indirect_edges for newly found indirect edges , call
4933         ipa_propagate_indirect_call_infos after inlining.
4934         (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
4935         inlining if performing indirect inlining.  Call
4936         free_all_ipa_structures_after_iinln when doing so too.
4937         (inline_generate_summary): Do not call
4938         free_all_ipa_structures_after_iinln here.
4939         * ipa-prop.c (update_jump_functions_after_inlining): New function.
4940         (print_edge_addition_message): New function.
4941         (update_call_notes_after_inlining): New function.
4942         (propagate_info_to_inlined_callees): New function.
4943         (ipa_propagate_indirect_call_infos): New function.
4944         * ipa-prop.h: Include cgraph.h
4945         (struct ipa_param_call_note): Fields reordered, new field processed.
4946         * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
4947         flag indirect_call.
4948         * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
4949         rediscovered call statements.
4950         * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
4951         (dump_cgraph_node): Dump also the indirect_call flag.
4952         (cgraph_clone_edge): Copy also the indirect_call flag.
4953         * tree-inline.c (copy_bb): Do not check for fndecls from call
4954         expressions, check for edge availability when moving clones.
4955         (get_indirect_callee_fndecl): New function.
4956         (expand_call_inline): If callee declaration is not apprent from
4957         the statement, try calling get_indirect_callee_fndecl.  Do not
4958         issue warnings or call sorry when not inlinings an indirect edge.
4959         * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.
4960
4961         * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
4962         bit more frandly to matching.
4963         * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
4964         * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
4965         * testsuite/gcc.dg/ipa/modif-1.c: New testcase.
4966
4967 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4968
4969         PR 36907
4970         * opth-gen.awk: Suppress function specific features when building
4971         target libraries.
4972         * optc-gen.awk: Ditto.
4973
4974 2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4975
4976         PR 35058
4977         * diagnostic.c (pedwarn): Add opt parameter.
4978         (pedwarn0): New.
4979         * c-tree.h (pedwarn_init): Add opt parameter.
4980         (pedwarn_c90): Likewise.
4981         (pedwarn_c99): Likewise.
4982         * c-errors.c (pedwarn_c99): Likewise.
4983         (pedwarn_c90): Likewise.
4984         * toplev.h (pedwarn): Update declaration.
4985         (pedwarn0): Declare.
4986         * c-lex.c: All calls to pedwarn changed.
4987         * builtins.c: All calls to pedwarn changed.
4988         * toplev.c: All calls to pedwarn changed.
4989         * c-decl.c: All calls to pedwarn changed.
4990         * c-typeck.c: All calls to pedwarn changed.
4991         * c-common.c: All calls to pedwarn changed.
4992         * c-parser.c: All calls to pedwarn changed.
4993
4994 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4995             Karthik Kumar  <karthikkumar@gmail.com>
4996
4997         * attribs.c (file scope): Include c-common.h.
4998         (decl_attributes): Add support for #pragma GCC optimize and
4999         #pragma GCC option.
5000
5001         * targhooks.c (default_can_inline_p): New function that is the
5002         default for the TARGET_CAN_INLINE_P target hook.
5003
5004         * targhooks.h (default_can_inline_p): Add declaration.
5005
5006         * tree.c (cl_optimization_node): New static tree for building
5007         OPTIMIZATION_NODE tree.
5008         (cl_target_option_node): New static tree for building
5009         TARGET_OPTION_NODE tree.
5010         (cl_option_hash_table): New hash table for hashing
5011         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
5012         (cl_option_hash_hash): New function to provide the hash value for
5013         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
5014         (cl_option_hash_eq): New function to provide an equality test for
5015         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
5016         (tree_code_size): Add support for OPTIMIZATION_NODE and
5017         TARGET_OPTION_NODE trees.
5018         (tree_code_structure): Add support for OPTIMIZATION_NODE and
5019         TARGET_OPTION_NODE trees.
5020         (build_optimization_node): Build a tree that has all of the
5021         current optimization options.
5022         (build_target_option_node): Build a tree that has the target
5023         options that might be changed on a per function basis.
5024
5025         * tree.h (file scope): Include options.h.
5026         (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
5027         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
5028         (TREE_OPTIMIZATION): Ditto.
5029         (TREE_TARGET_SPECIFIC): Ditto.
5030         (struct tree_function_decl): Add fields for remembering the
5031         current optimization options and target specific options.
5032         (struct tree_optimization_option): New tree variant that remembers
5033         the optimization options.
5034         (struct tree_target_option): New tree variant that remembers the
5035         target specific flags that might change for compiling a particular
5036         function.
5037         (union tree_node): Include tree_optimization_option and
5038         tree_target_option fields.
5039         (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
5040         TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
5041         TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
5042         TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
5043         TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
5044         optimization and target options.
5045         (optimization_default_node): New macro to refer to global_trees
5046         field.
5047         (optimization_current_node): Ditto.
5048         (optimization_cold_node): Ditto.
5049         (optimization_hot_node): Ditto.
5050         (target_option_default_node): Ditto.
5051         (target_option_current_node): Ditto.
5052         (current_option_pragma): Ditto.
5053         (current_optimize_pragma): Ditto.
5054
5055         * target.h (struct gcc_target): Add valid_option_attribute_p,
5056         target_option_save, target_option_restore, target_option_print,
5057         target_option_pragma_parse, and can_inline_p hooks.
5058
5059         * toplev.h (parse_optimize_options): Add declaration.
5060         (fast_math_flags_struct_set_p): Ditto.
5061
5062         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
5063         adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
5064         optimize is used.
5065
5066         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
5067         tree_can_inline_p hook to see if one function can inline another.
5068         (cgraph_decide_inlining): Ditto.
5069         (cgraph_decide_inlining_incrementally): Ditto.
5070
5071         * opts.c (decode_options): Add support for running multiple times
5072         to allow functions with different target or optimization options
5073         than was specified on the command line.
5074         (fast_math_flags_struct_set_p): New function that is similar to
5075         fast_math_flags_set_p, except it uses the values in the
5076         cl_optimization structure instead of global variables.
5077
5078         * optc-gen.awk: Add support for TargetSave to allow a back end to
5079         declare new fields that need to be saved when using function
5080         specific options.  Include flags.h and target.h in the options.c
5081         source.  Add support for Save to indicate which options can be set
5082         for individual functions.  Generate cl_optimize_save,
5083         cl_optimize_restore, cl_optimize_print, cl_target_option_save,
5084         cl_target_option_restore, cl_target_option_print functions to
5085         allow functions to use different optimization or target options.
5086
5087         * opt-functions.awk (var_type_struct): Return the type used for
5088         storing the field in a structure.
5089
5090         * opth-gen.awk: Add support for TargetSave to allow a back end to
5091         declare new fields that need to be saved when using function
5092         specific options.  Add support for Save to indicate which options
5093         can be set for individual functions.  Only generate one extern for
5094         Mask fields.  Generate cl_optimization and cl_target_option
5095         structures to remember optimization and target options.
5096
5097         * treestruct.def (TS_OPTIMIZATION): Add support for garbage
5098         collecting new tree nodes.
5099         (TS_TARGET_OPTION): Ditto.
5100
5101         * c-decl.c (merge_decls): Merge function specific target and
5102         optimization options.
5103
5104         * function.c (invoke_set_current_function_hook): If the function
5105         uses different optimization options, change the global variables
5106         to reflect this.
5107
5108         * coretypes.h (struct cl_optimization): Add forward reference.
5109         (struct cl_target_option): Ditto.
5110
5111         * c-pragma.c (option_stack): New static vector to remember the
5112         current #pragma GCC option stack.
5113         (handle_pragma_option): New function to support #pragma GCC option
5114         to change target options.
5115         (optimize_stack): New static vector to remember the current
5116         #pragma GCC optimize stack.
5117         (handle_pragma_optimize): New function to support #pragma GCC
5118         optimize to change optimization options.
5119         (init_pragma): Add support for #pragma GCC optimize and #pragma
5120         GCC option.
5121
5122         * tree.def (OPTIMIZATION_NODE): New tree code for remembering
5123         optimization options.
5124         (TARGET_OPTION_NODE): New tree code for remembering certain target
5125         options.
5126
5127         * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
5128         TARGET_OPTION_NODE trees.
5129
5130         * common.opt (-O): Add Optimization flag.
5131         (-Os): Ditto.
5132         (-fmath-errno): Ditto.
5133         (-falign-functions): Add UInteger flag to make sure flag gets full
5134         int in cl_optimization structure.
5135         (-falign-jumps): Ditto.
5136         (-falign-labels): Ditto.
5137         (-falign-loops): Ditto.
5138         (-fsched-stalled-insns): Ditto.
5139         (-fsched-stalled-insns-dep): Ditto.
5140
5141         * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
5142         definition.
5143         (TARGET_OPTION_SAVE): Ditto.
5144         (TARGET_OPTION_RESTORE): Ditto.
5145         (TARGET_OPTION_PRINT): Ditto.
5146         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
5147         (TARGET_CAN_INLINE_P): Ditto.
5148         (TARGET_INITIALIZER): Add new hooks.
5149
5150         * tree-inline.c (tree_can_inline_p): New function to determine
5151         whether one function can inline another.  Check if the functions
5152         use compatible optimization options, and also call the backend
5153         can_inline_p hook.
5154
5155         * tree-inline.h (tree_can_inline_p): Add declaration.
5156
5157         * c-common.c (c_common_attribute): Add support for option and
5158         optimize attributes.
5159         (handle_option_attribute): Add support for the option attribute to
5160         allow the user to specify different target options for compiling a
5161         specific function.
5162         (handle_optimize_attribute): Add support for the optimize
5163         attribute to allow the user to specify different optimization
5164         options for compiling a specific function.
5165         (handle_hot_attribute): Turn on -O3 optimization for this one
5166         function if it isn't the default optimization level.
5167         (handle_cold_attribute): Turn on -Os optimization for this one
5168         function if it insn't the default optimization.
5169         (const_char_p): New const char * typedef.
5170         (optimize_args): New static vector to remember the optimization
5171         arguments.
5172         (parse_optimize_options): New function to set up the optimization
5173         arguments from either the optimize attribute or #pragma GCC optimize.
5174
5175         * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
5176         (builtin_define_std): Ditto.
5177
5178         * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
5179         Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
5180         (x86_64-*-*): Ditto.
5181
5182         * Makefile.in (TREE_H): Add options.h.
5183         (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.
5184
5185         * doc/extend.texi (option attribute): Document new attribute.
5186         (optimize attribute): Ditto.
5187         (hot attribute): Document hot attribute sets -O3.
5188         (cold attribute): Document cold attribute sets -Os.
5189         (#pragma GCC option): Document new pragma.
5190         (#pragma GCC optimize): Ditto.
5191
5192         * doc/options.texi (TargetSave): Document TargetSave syntax.
5193         (UInteger): Document UInteger must be used for certain flags.
5194         (Save): Document Save option to create target specific options
5195         that can be saved/restored on a function specific context.
5196
5197         * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
5198         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
5199
5200         * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
5201         (TARGET_OPTION_SAVE): Ditto.
5202         (TARGET_OPTION_RESTORE): Ditto.
5203         (TARGET_OPTION_PRINT): Ditto.
5204         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
5205         (TARGET_CAN_INLINE_P): Ditto.
5206
5207         * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
5208         -mfpmath=sse,387.
5209         (-mfpmath=both): Ditto.
5210
5211 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
5212             Karthik Kumar  <karthikkumar@gmail.com>
5213
5214         * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
5215         (TARGET_POPCNT): Ditto.
5216         (TARGET_SAHF): Ditto.
5217         (TARGET_AES): Ditto.
5218         (TARGET_PCLMUL): Ditto.
5219         (TARGET_CMPXCHG16B): Ditto.
5220         (TARGET_RECIP): Move switch into target_flags.
5221         (TARGET_FUSED_MADD): Ditto.
5222         (ix86_arch_features): Make an unsigned char type.
5223         (ix86_tune_features): Ditto.
5224         (OVERRIDE_OPTIONS): Add bool argument to override_options call.
5225         (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
5226         (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.
5227
5228         * config/i386/i386.opt (arch): New TargetSave field to define
5229         fields that need to be saved for function specific option support.
5230         (tune): Ditto.
5231         (fpmath): Ditto.
5232         (branch_cost): Ditto.
5233         (ix86_isa_flags_explicit): Ditto.
5234         (tune_defaulted): Ditto.
5235         (arch_specified): Ditto.
5236         (-m128-long-double): Add Save flag to save option for target
5237         specific option support.
5238         (-m80387): Ditto.
5239         (-maccumulate-outgoing-args): Ditto.
5240         (-malign-double): Ditto.
5241         (-malign-stringops): Ditto.
5242         (-mfancy-math-387): Ditto.
5243         (-mhard-float): Ditto.
5244         (-mieee-fp): Ditto.
5245         (-minline-all-stringops): Ditto.
5246         (-minline-stringops-dynamically): Ditto.
5247         (-mms-bitfields): Ditto.
5248         (-mno-align-stringops): Ditto.
5249         (-mno-fancy-math-387): Ditto.
5250         (-mno-push-args): Ditto.
5251         (-mno-red-zone): Ditto.
5252         (-mpush-args): Ditto.
5253         (-mred-zone): Ditto.
5254         (-mrtd): Ditto.
5255         (-msseregparm): Ditto.
5256         (-mstack-arg-probe): Ditto.
5257         (-m32): Ditto.
5258         (-m64): Ditto.
5259         (-mmmx): Ditto.
5260         (-m3dnow): Ditto.
5261         (-m3dnowa): Ditto.
5262         (-msse): Ditto.
5263         (-msse2): Ditto.
5264         (-msse3): Ditto.
5265         (-msse4.1): Ditto.
5266         (-msse4.2): Ditto.
5267         (-msse4): Ditto.
5268         (-mno-sse4): Ditto.
5269         (-msse4a): Ditto.
5270         (-msse5): Ditto.
5271         (-mrecip): Move flag into target_flags.
5272         (-mcld): Ditto.
5273         (-mno-fused-madd): Ditto.
5274         (-mfused-madd): Ditto.
5275         (-mabm): Move flag into ix86_isa_flags.
5276         (-mcx16): Ditto.
5277         (-mpopcnt): Ditto.
5278         (-msahf): Ditto.
5279         (-maes): Ditto.
5280         (-mpclmul): Ditto.
5281
5282         * config/i386/i386-c.c: New file for #pragma support.
5283         (ix86_target_macros_internal): New function to #define or #undef
5284         target macros based when the user uses the #pragma GCC option to
5285         change target options.
5286         (ix86_pragma_option_parse): New function to add #pragma GCC option
5287         support.
5288         (ix86_target_macros): Move defining the target macros here from
5289         TARGET_CPU_CPP_BUILTINS in i386.h.
5290         (ix86_register_pragmas): Register the #pragma GCC option hook.  If
5291         defined, initialize any subtarget #pragmas.
5292
5293         * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
5294         REGISTER_TARGET_PRAGMAS.
5295
5296         * config/i386/t-i386: New file for x86 dependencies.
5297         (i386.o): Make dependencies mirror the include files used.
5298         (i386-c.o): New file, add dependencies.
5299
5300         * config/i386/i386-protos.h (override_options): Add bool argument.
5301         (ix86_valid_option_attribute_tree): Add declaration.
5302         (ix86_target_macros): Ditto.
5303         (ix86_register_macros): Ditto.
5304
5305         * config/i386/i386.c (ix86_tune_features): Move initialization of
5306         the target masks to initial_ix86_tune_features to allow functions
5307         to have different target options.  Make type unsigned char,
5308         instead of unsigned int.
5309         (initial_ix86_tune_features): New static vector to hold processor
5310         masks for the tune variables.
5311         (ix86_arch_features): Move initialization of the target masks to
5312         initial_ix86_arch_features to allow functions to have different
5313         target options.  Make type unsigned char, instead of unsigned int.
5314         (initial_ix86_arch_features): New static vector to hold processor
5315         masks for the arch variables.
5316         (enum ix86_function_specific_strings): New enum to describe the
5317         string options used for attribute((option(...))).
5318         (ix86_target_string): New function to return a string that
5319         describes the target options.
5320         (ix86_debug_options): New function to print the current options in
5321         the debugger.
5322         (ix86_function_specific_save): New function hook to save the
5323         function specific global variables in the cl_target_option structure.
5324         (ix86_function_specific_restore): New function hook to restore the
5325         function specific variables from the cl_target_option structure to
5326         the global variables.
5327         (ix86_function_specific_print): New function hook to print the
5328         target specific options in the cl_target_option structure.
5329         (ix86_valid_option_attribute_p): New function hook to validate
5330         attribute((option(...))) arguments.
5331         (ix86_valid_option_attribute_tree): New function that is common
5332         code between attribute((option(...))) and #pragma GCC option
5333         support that parses the options and returns a tree holding the options.
5334         (ix86_valid_option_attribute_inner_p): New helper function for
5335         ix86_valid_option_attribute_tree.
5336         (ix86_can_inline_p): New function hook to decide if one function
5337         can inline another on a target specific basis.
5338         (ix86_set_current_function); New function hook to switch target
5339         options if the user used attribute((option(...))) or #pragma GCC
5340         option.
5341         (ix86_tune_defaulted): Move to static file scope from
5342         override_options.
5343         (ix86_arch_specified): Ditto.
5344         (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
5345         ix86_isa_flags.
5346         (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
5347         (OPTION_MASK_ISA_ABM_SET): Ditto.
5348         (OPTION_MASK_ISA_POPCNT_SET): Ditto.
5349         (OPTION_MASK_ISA_CX16_SET): Ditto.
5350         (OPTION_MASK_ISA_SAHF_SET): Ditto.
5351         (OPTION_MASK_ISA_AES_UNSET): Ditto.
5352         (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
5353         (OPTION_MASK_ISA_ABM_UNSET): Ditto.
5354         (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
5355         (OPTION_MASK_ISA_CX16_UNSET): Ditto.
5356         (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
5357         (struct ptt): Move to static file scope from override_options.
5358         (processor_target_table): Ditto.
5359         (cpu_names): Ditto.
5360         (ix86_handle_option): Add support for options that are now isa options.
5361         (override_options): Add support for declaring functions that
5362         support different target options than were specified on the
5363         command line.  Move struct ptt, processor_target_table, cpu_names,
5364         ix86_tune_defaulted, ix86_arch_specified to static file scope.
5365         Add bool argument.  Fix up error messages so the appropriate error
5366         is given for either command line or attribute.
5367         (ix86_previous_fndecl): New static to remember previous function
5368         declaration to see if we need to change target options.
5369         (ix86_builtins_isa): New array to record the ISA of each builtin
5370         function.
5371         (def_builtin): Always create the builtin function, even if the
5372         current ISA doesn't support it.
5373         (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
5374         tests for those builtins.
5375         (ix86_init_builtins): Remove TARGET_MMX test for calling
5376         ix86_init_mmx_sse_builtins.
5377         (ix86_expand_builtin): If the current ISA doesn't support a given
5378         builtin, signal an error.
5379         (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
5380         (TARGET_SET_CURRENT_FUNCTION): Ditto.
5381         (TARGET_OPTION_SAVE): Ditto.
5382         (TARGET_OPTION_RESTORE): Ditto.
5383         (TARGET_OPTION_PRINT): Ditto.
5384         (TARGET_CAN_INLINE_P): Ditto.
5385
5386 2008-07-22  Rafael Avila de Espindola  <espindola@google.com>
5387
5388         * c-typeck.c (build_external_ref): Don't call assemble_external.
5389         * final.c (output_operand): Call assemble_external.
5390
5391 2008-07-21  DJ Delorie  <dj@redhat.com>
5392
5393         * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
5394         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
5395
5396 2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5397
5398         * config/spu/spu.md ("div<mode>3"): Convert into expander, move
5399         original insn and splitter contents into ...
5400         ("*div<mode>3_fast"): ... this new pattern.  Enable only if
5401         flag_unsafe_math_optimizations.  Add dummy scratch register.
5402         ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
5403         !flag_unsafe_math_optimizations.  Returns number with next
5404         highest magnitude if this is still less or equal to the true
5405         quotient in magnitude.
5406
5407 2008-07-21  Rafael Avila de Espindola  <espindola@google.com>
5408
5409         * Makefile.in: Replace toplev.h with TOPLEV_H.
5410         * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
5411         * c-lex.c (fe_file_change): Don't set in_system_header.
5412         * c-parser.c (c_token): Remove in_system_header.
5413         (c_lex_one_token): Don't set in_system_header.
5414         (c_parser_set_source_position_from_token): Don't set in_system_header.
5415         * diagnostic.c (diagnostic_report_diagnostic): Use location from
5416         diagnostic_info.
5417         (warning_at): New.
5418         * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
5419         * flags.h (in_system_header): Remove.
5420         * function.c (saved_in_system_header): Remove.
5421         (push_cfun): Don't set in_system_header.
5422         (pop_cfun): Don't set in_system_header.
5423         (push_struct_function): Don't set in_system_header.
5424         * input.h (expanded_location): Add sysp.
5425         (in_system_header_at): New.
5426         (in_system_header): New.
5427         * toplev.c (in_system_header): Remove.
5428         * toplev.h: Include input.h
5429         (warning_at): New.
5430         * tree-cfg.c (execute_warn_function_return): Call warning_at.
5431         * tree-ssa.c (warn_uninit): Call warning_at.
5432         (warn_uninitialized_var): Update calls to warn_uninit.
5433         (warn_uninitialized_phi): Update calls to warn_uninit.
5434         * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
5435         (expand_location): Initialize xloc.sysp.
5436         * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
5437         (tree_decl_with_vis): Remove in_system_header_flag.
5438
5439 2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>
5440
5441         PR target/36822
5442         * recog.c (asm_operand_ok): Change the order of the extra
5443         memory constraint checks.
5444
5445 2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5446
5447         PR tree-opt/36879
5448         * tree-switch-conversion.c (build_one_array): Call
5449         varpool_mark_needed_node and varpool_finalize_decl
5450         instead of assemble_variable.
5451
5452 2008-07-19  Jan Hubicka  <jh@suse.cz>
5453
5454         * cgraph.c (cgraph_add_new_function): Do early local passes.
5455         * tree-nrv.c (gate_pass_return_slot): New gate.
5456         (pass_nrv): Add the gate.
5457         * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
5458         functions.
5459         (coalesce_ssa_name): Coalesce SSA names.
5460         * tree-ssa-live.c (remove_unused_locals): Be more conservative when
5461         not optimizing so unused user vars remains visible.
5462         * common.opt (flag_tree_ter): Always enable by default.
5463         * tree-ssa-ter.c: Include flags.h
5464         (is_replaceable_p): Check that locations match; when aliasing is missing
5465         be conservative about loads.
5466         * tree-optimize.c (gate_init_datastructures): Remove.
5467         (pass_init_datastructures): New.
5468         * passes.c: Reorder passes so we always go into SSA.
5469
5470 2008-07-19  Jan Hubicka  <jh@suse.cz>
5471
5472         * doc/extend.texi (flatten attribute): Remove note about unit-at-a-time
5473         * doc/invoke.texi (--combine): Likewise.
5474         (-finline-functions-called-once): Update levels when enabled.
5475         (-funit-at-a-time): Document new behaviour.
5476         (-ftoplevel-reorder): Document that it is enabled -O0 and imply
5477         -fno-section-anchors when disabled explicitly.
5478         (inline params): They are not ignored now.
5479         (precompiled headers): Remove unit-at-a-time as being incompatible.
5480         * opts.c (decode_options): Handle unit-at-a-time as alias;
5481         imply -fno-section-anchors when toplevel reorder is disabled
5482         explicitly.
5483         * common.opt (ftoplevel-reorder): Set default value to 2.
5484         (funit-at-a-time): Set default value to 1.
5485         * config/rs6000/rs6000.c (optimization_options): Set section anchors
5486         to 2.
5487
5488 2008-07-19  Jan Hubicka  <jh@suse.cz>
5489
5490         * builtins.c (expand_builtin_int_roundingfn,
5491         expand_builtin_int_roundingfn_2): Do not take subtarget argument;
5492         it is not useful.
5493
5494 2008-07-19  Richard Guenther  <rguenther@suse.de>
5495
5496         PR bootstrap/36864
5497         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
5498         * tree-ssa-sccvn.c (get_constant_value_id): New function.
5499         * tree-ssa-pre.c (get_expr_value_id): For newly created
5500         constant value-ids make sure to add the expression to its
5501         expression-set.
5502
5503 2008-07-19  Jakub Jelinek  <jakub@redhat.com>
5504
5505         PR middle-end/36877
5506         * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
5507         return value of the builtin is ignored.
5508
5509 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5510
5511         * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
5512         bits, a C conformant malloc implementation has to provide.
5513         * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.
5514
5515 2008-07-19  Joseph Myers  <joseph@codesourcery.com>
5516
5517         PR target/36780
5518         PR target/36827
5519         * reload.c (find_reloads_subreg_address): Only reload address if
5520         reloaded == 0, not for reloaded != 1.
5521
5522         Revert:
5523         2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5524         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5525         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5526         m32c_legitimize_reload_address.
5527
5528         2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5529         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5530         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5531
5532 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5533
5534         * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
5535         argument, saying whether nested array are to be collapsed
5536         into a single array type DIE with multiple subscripts.
5537         (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
5538         issues, centralize the nested array types collapsing control and
5539         disable the transformation for Ada.
5540
5541 2008-07-18  Uros Bizjak  <ubizjak@gmail.com>
5542
5543         PR target/36786
5544         * config/i386/i386.md (x86_64_shift_adj_1): Rename from
5545         x86_64_shift_adj.
5546         (x86_64_shift_adj_2): New expander.
5547         (x86_64_shift_adj_3): Ditto.
5548         * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
5549         to split TImode operands.
5550         (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
5551         (ix86_split_lshr): Ditto.
5552
5553 2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>
5554
5555         * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
5556         and __CHAR32_TYPE__.
5557         * c-typeck.c (digest_init): Support char16_t and char32_t.
5558         (set_nonincremental_init_from_string): Idem.
5559
5560 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5561
5562         PR middle-end/36859
5563         * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
5564         PREFERRED_STACK_BOUNDARY.
5565         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5566
5567 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5568
5569         PR middle-end/36858
5570         * function.c (locate_and_pad_parm): Cap boundary earlier.
5571
5572 2008-07-17  Julian Brown  <julian@codesourcery.com>
5573
5574         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
5575         no-op for targets which don't use DLLs.
5576
5577 2008-07-17  Martin Jambor  <mjambor@suse.cz>
5578
5579         * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
5580         that nodes are relevant by examining the node->analyzed flag.
5581         (ipcp_init_stage): Check which nodes are relevant, assert that the
5582         relevant ones are also required.
5583         (ipcp_propagate_stage): Check on the side arrays are properly
5584         allocated.
5585         (ipcp_print_all_jump_functions): Make sure not to touch any node
5586         that is not analyzed or an edge that does not have a corresponding
5587         entry in the on-the-side vectors.
5588         (ipcp_function_scale_print): Likewise.
5589         (ipcp_update_callgraph): Check that the node is relevant.
5590         (ipcp_insert_stage): Check that the node is relevant.  Check there is
5591         an info for every node and edge.
5592         * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
5593         (ipa_print_all_tree_maps): Likewise and a new variable info.
5594         (ipa_print_all_params_modified): Likewise.
5595         * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.
5596
5597 2008-07-17  Roman Zippel <zippel@linux-m68k.org>
5598
5599         PR target/25343
5600         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
5601
5602 2008-07-17  Paolo Bonzini  <bonzini@gnu.org>
5603
5604         PR rtl-optimization/36753
5605         * fwprop.c (use_killed_between): Don't shortcut
5606         single-definition global registers.
5607
5608 2008-07-16  Jan Hubicka  <jh@suse.cz>
5609
5610         * cgraph.h (varpool_empty_needed_queue): Declare.
5611         * cgraphunit.c (output_in_order): Mark all variables as needed;
5612         empty the queue.
5613         * varpool.c (varpool_assemble_node): Update debug queue.
5614         (varpool_assemble_pending_decls): Don't do it here.
5615         (varpool_empty_needed_queue):  New function.
5616
5617 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5618
5619         * recog.c (peephole2_optimize): Fix formatting.
5620
5621 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5622
5623         * c-pch.c (get_ident): Avoid C++ keywords.
5624         * combine-stack-adj.c (single_set_for_csa): Likewise.
5625         * final.c (asm_insn_count, final_scan_insn, alter_subreg,
5626         output_asm_insn): Likewise.
5627         * reload.c (push_secondary_reload, find_reusable_reload,
5628         push_reload, combine_reloads, find_reloads,
5629         debug_reload_to_stream): Likewise.
5630         * reload.h (struct reload): Likewise.
5631         * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
5632         allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
5633         emit_output_reload_insns): Likewise.
5634         * targhooks.c (default_secondary_reload): Likewise.
5635         * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.
5636
5637 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5638
5639         * recog.c (validate_change_1, validate_change,
5640         validate_unshare_change, validate_replace_rtx_1, struct
5641         funny_match, constrain_operands, peephole2_optimize): Avoid C++
5642         keywords.
5643         * reload.c (push_secondary_reload, secondary_reload_class,
5644         scratch_reload_class, find_valid_class, find_reusable_reload,
5645         push_reload, find_dummy_reload, find_reloads_address_1,
5646         find_reloads_address_part, find_equiv_reg): Likewise.
5647         * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
5648         choose_reload_regs): Likewise.
5649         * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
5650         Likewise.
5651         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
5652         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5653         * sched-rgn.c (concat_INSN_LIST): Likewise.
5654         * stor-layout.c (mode_for_size, mode_for_size_tree,
5655         smallest_mode_for_size): Likewise.
5656
5657 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5658
5659         * cfg.c (dump_reg_info): Avoid C++ keywords.
5660         * dwarf2asm.c (dw2_force_const_mem,
5661         dw2_asm_output_encoded_addr_rtx): Likewise.
5662         * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
5663         * expmed.c (expand_shift): Likewise.
5664         * global.c (find_reg): Likewise.
5665         * graph.c (draw_edge): Likewise.
5666         * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
5667         * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
5668         widen_clz, widen_bswap, expand_parity, expand_unop,
5669         emit_cmp_and_jump_insn_1): Likewise.
5670         * postreload.c (reload_cse_simplify_operands): Likewise.
5671         * ra.h (add_neighbor): Likewise.
5672         * reg-stack.c (remove_regno_note, change_stack): Likewise.
5673         * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
5674         record_reg_classes, copy_cost, record_address_regs,
5675         invalid_mode_change_p): Likewise.
5676         * regrename.c (regrename_optimize, scan_rtx_reg,
5677         dump_def_use_chain, find_oldest_value_reg,
5678         replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.
5679
5680 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5681
5682         * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
5683         MASK_POWERPC64 for power4 in previous commit.
5684
5685 2008-07-16  Olivier Hainque  <hainque@adacore.com>
5686
5687         * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
5688         instead of bare conversion to cast const-ness away.
5689
5690 2008-07-16  Anatoly Sokolov  <aesok@post.ru>
5691
5692         * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
5693         XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
5694         * config/xtensa/xtensa.c (xtensa_function_value): New function.
5695         (TARGET_FUNCTION_VALUE): Define.
5696
5697 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5698
5699         * config/rs6000/rs6000.c (processor_target_table): Add
5700         MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.
5701
5702 2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5703
5704         PR target/36827
5705         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5706         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5707         m32c_legitimize_reload_address.
5708
5709 2007-07-16  Rafael Avila de Espindola  <espindola@google.com>
5710
5711         * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
5712         DECL_IN_SYSTEM_HEADER in sync.
5713
5714 2008-07-15  Daniel Berlin  <dberlin@dberlin.org>
5715
5716         * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
5717         * tree-ssa-pre.c (pre_expr_eq): Ditto
5718         (get_constant_for_value_id): Take a type as an argument.
5719         (fully_constant_expression): Pass in type.
5720         (find_or_generate_expression): Short circuit constant case.
5721         (create_expression_by_pieces): Remove special casing of
5722         pointer_plus.
5723         (do_regular_insertion): Short circuit constant case.
5724         (do_partial_partial_insertion): Ditto.
5725
5726 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5727
5728         PR target/36782
5729         * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.
5730
5731 2008-07-15  Bob Wilson  <bob.wilson@acm.org>
5732
5733         * config/xtensa/libgcc-xtensa.ver: New file.
5734         * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
5735
5736 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5737
5738         * df-problems.c (df_set_note): Avoid C++ keywords.
5739         * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
5740         * dse.c (record_store, remove_useless_values): Likewise.
5741         * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
5742         gen_reg_rtx_offset, operand_subword, change_address_1,
5743         change_address, adjust_address_1, offset_address,
5744         widen_memory_access, emit_copy_of_insn_after): Likewise.
5745         * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
5746         * fwprop.c (should_replace_address, propagate_rtx_1,
5747         propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
5748         Likewise.
5749         * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
5750         gcse_emit_move_after, update_ld_motion_stores): Likewise.
5751         * lcm.c (compute_insert_delete, pre_edge_lcm,
5752         compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
5753         * lower-subreg.c (resolve_reg_notes): Likewise.
5754         * mode-switching.c (optimize_mode_switching): Likewise.
5755
5756 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5757
5758         * bt-load.c (add_btr_def, migrate_btr_def,
5759         branch_target_load_optimize): Avoid C++ keywords.
5760         * caller-save.c (insert_restore, insert_save, insert_one_insn):
5761         Likewise.
5762         * combine.c (subst, simplify_set, make_extraction,
5763         make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
5764         * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
5765         fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.
5766
5767 2008-07-15  Richard Guenther  <rguenther@suse.de>
5768
5769         PR middle-end/36369
5770         * c-common.c (strict_aliasing_warning): Do not warn for
5771         TYPE_REF_CAN_ALIAS_ALL pointers.
5772         (c_common_get_alias_set): may_alias types are not special.
5773         * tree.c (build_pointer_type_for_mode): Look up the may_alias
5774         attribute and set can_ref_all accordingly.
5775         (build_reference_type_for_mode): Likewise.
5776         * doc/extend.texi (may_alias): Clarify.
5777
5778 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5779
5780         PR target/36780
5781         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5782         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5783
5784 2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5785
5786         PR target/31568
5787         * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
5788         gcc_assert, instead call output_operand_lossage.
5789
5790 2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
5791
5792         * builtins.c (std_canonical_va_list): Treat structure based
5793         va_list types.
5794
5795 2008-07-15  Ben Elliston  <bje@au.ibm.com>
5796
5797         * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.
5798
5799 2007-07-14  Rafael Avila de Espindola  <espindola@google.com>
5800
5801         * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
5802         is set.
5803
5804 2008-07-14  Jan Hubicka  <jh@suse.cz>
5805
5806         * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
5807         * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
5808         fix predicates and constraints.
5809         * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
5810         * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.
5811
5812 2008-07-14  Doug Kwan  <dougkwan@google.com>
5813
5814         * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
5815         additional option file arm/eabi.opt.
5816         * config/arm/eabi.h (File): New configuration file for EABI targets.
5817         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
5818         SUBSUBTARGET_EXTRA_SPECS.
5819         (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
5820         * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
5821         from STARTFILE_SPEC so that it can be referenced in an override.
5822         (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
5823         (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
5824         can be referenced in an override.
5825         (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
5826         * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
5827         so that it can be referenced in an override.
5828         (LINK_SPEC): Use BPABI_LINK_SPEC.
5829         * config/arm/eabi.opt (File): New.
5830
5831 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5832
5833         * Makefile.in (TARGET_DEF_H): Add targhooks.h.
5834         (FIXED_VALUE_H): New variable.
5835         (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
5836         input.h, fixed-value.h.
5837         (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
5838         (BASIC_BLOCK_H): Use $(BITMAP_H).
5839         (FUNCTION_H): Add varray.h.
5840         (IPA_REFERENCE_H): Use $(BITMAP_H).
5841         (CGRAPH_H): Add $(BASIC_BLOCK_H).
5842         (DF_H): Use $(BITMAP_H).
5843         (GGC_H): Add statistics.h.
5844         (INSN_ADDR_H): New.
5845         (INSN_ATTR_H): Use it.
5846         (SYSTEM_H): Add safe-ctype.h, filenames.h.
5847         (INPUT_H): New.
5848         (SYMTAB_H): Add $(OBSTACK_H).
5849         (CPP_INTERNAL_H): New.
5850         (TREE_DUMP_H): Add tree-pass.h.
5851         (TREE_FLOW_H): Use $(BITMAP_H)
5852         (PRETTY_PRINT_H): Use $(INPUT_H).
5853         (EBITMAP_H): Rename from typo-ed EBIMAP_H.
5854         (GSTAB_H): New.
5855         (BITMAP_H): New.
5856         (many object files): Fix lots of header dependencies throughout.
5857
5858 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5859
5860         * Makefile.in (write_entries_to_file, write_entries_to_file_split):
5861         New macros.
5862         (s-gtyp-input): Use them to write tmp-gi.list.
5863         (echo_to_gi.list): Remove.
5864
5865 2008-07-14  Richard Guenther  <rguenther@suse.de>
5866
5867         * tree-ssa-sccvn.c (pre_info): Remove.
5868         (switch_to_PRE_table): Likewise.
5869         (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
5870         (set_hashtable_value_ids): Do not create value-ids for the
5871         optimistic tables.
5872         (run_scc_vn): Remove double test.  Remove bogus special-case
5873         in value-number printing.
5874         * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
5875         * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
5876         SSA_NAME_VALUE.
5877         * tree-flow-inline.h (get_value_handle): Remove.
5878         * tree-flow.h (get_value_handle): Remove.
5879
5880 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5881
5882         * tree-switch-conversion.c (gen_inbound_check): Make sure the type
5883         in which we generate arithmetics is not a subrange.
5884
5885 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5886
5887         * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.
5888
5889 2008-07-14  Richard Guenther  <rguenther@suse.de>
5890
5891         * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.
5892
5893 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5894
5895         PR target/36745
5896         * config/s390/s390.c: (s390_secondary_reload): Add a secondary
5897         reload for symbol refs moved to r0 with -fPIC.
5898         (legitimize_pic_address): Use the target register as temporary
5899         reg if possible.
5900         (emit_symbolic_move): Adjust comment.
5901         * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
5902         New expanders.
5903
5904 2008-07-14  Ben Elliston  <bje@au.ibm.com>
5905
5906         * c-common.h (C_CPP_HASHNODE): New macro.
5907         * coretypes.h (struct cpp_token): Forward declare.
5908         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
5909         the context-sensitive keyword method.
5910         * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
5911         __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
5912         expand_bool_pixel): New.
5913         (altivec_categorize_keyword): New function.
5914         (init_vector_keywords): New function.
5915         (rs6000_macro_to_expand): Likewise.
5916         (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
5917         compiling an ISO C dialect.
5918
5919 2008-07-13  Daniel Berlin  <dberlin@dberlin.org>
5920
5921         * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
5922         (create_expression_by_pieces): Fix typo.
5923         (do_regular_insertion): Use debug counter here too.
5924
5925 2008-07-14  Hans-Peter Nilsson  <hp@axis.com>
5926
5927         PR target/35492.
5928         * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
5929         CONST_OK_FOR_LETTER_P.  All port-local users changed.
5930         (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
5931         implement Kp matching power-of-two.
5932         (CONSTRAINT_LEN): Define to match.
5933         * config/cris/cris.md: Replace all use of constraint K with Kc.
5934         ("*btst*): Use Kp for operand 0 of last alternative.
5935
5936 2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5937
5938         PR testsuite/36440
5939         * tree-call-cdce.c (check_target_format): Accept MIPS single, double
5940         and quad formats.
5941
5942 2008-07-13  Jan Hubicka  <jh@suse.cz>
5943
5944         * tree.c (decl_assembler_name_equal): Expect assembler name of decl
5945         to be mangled too.
5946
5947 2008-07-13  Richard Guenther  <rguenther@suse.de>
5948
5949         PR middle-end/36811
5950         * langhooks.c (lhd_print_error_function): Deal with recursive
5951         BLOCK trees.
5952
5953 2008-07-12  Jan Hubicka  <jh@suse.cz>
5954
5955         * cgraph.c (assembler_name_hash): New static var.
5956         (hash_node_by_assembler_name, eq_assembler_name): New.
5957         (cgraph_node_for_asm): Use hashtable.
5958         (cgraph_remove_node): Maintain hashtable.
5959         (change_decl_assembler_name): Sanity check that names are not changing
5960         after aliasing was processed.
5961         * cgraph.h (varpoon_node): Add next GGC marker.
5962         * tree.c (decl_assembler_name_equal): Constify.
5963         (decl_assembler_name_hash): New.
5964         * tree.h (decl_assembler_name_equal): Constify.
5965         (decl_assembler_name_hash): Update.
5966
5967 2008-07-12  David Daney  <ddaney@avtrex.com>
5968
5969         * config/mips/driver-native.c (host_detect_local_cpu): Handle
5970         sb1 and r5000 cpus.
5971
5972 2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
5973
5974         * doc/md.texi: Document the MIPS "v" constraint.
5975         * config/mips/mips.h (reg_class): Revert last change.
5976         (REG_CLASS_NAMES): Likewise.
5977         (REG_CLASS_CONTENTS): Likewise.
5978         * config/mips/mips.c (mips_regno_to_class): Likewise.
5979         * config/mips/constraints.md (v): Likewise, but add documentation.
5980         Add a comment to say that this constraint should not be used in
5981         gcc code.
5982
5983 2008-07-11  DJ Delorie  <dj@redhat.com>
5984
5985         * config/h8300/h8300.md (length): Fix branch offset limit.
5986
5987 2008-07-11  Anatoly Sokolov  <aesok@post.ru>
5988
5989         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
5990         * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
5991         (avr_hard_regno_scratch_ok): New function.
5992         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
5993         * config/avr/avr.md (all peepholes that request a scratch register):
5994         Remove avr_peep2_scratch_safe use.
5995
5996 2008-07-11  Tom Tromey  <tromey@redhat.com>
5997             Ian Lance Taylor  <iant@google.com>
5998
5999         * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
6000         (struct c_common_resword): Define.
6001         (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
6002         (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
6003         (c_common_reswords, num_c_common_reswords): Declare.
6004         * c-common.c (c_common_reswords): New global const array.
6005         (num_c_common_reswords): New const int.
6006         * c-parser.c (struct resword, reswords): Don't define.
6007         (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
6008         (c_parse_init): Clarify mask code.  Use c_common_reswords rather
6009         than reswords.  If warning about C++ keywords, give them a special
6010         RID code.
6011         (c_lex_one_token): Warn about C++ keywords.  Call
6012         objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
6013         (c_parser_external_declaration): Look for RID_xxx rather than
6014         RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
6015         (c_parser_statement_after_labels): Likewise.
6016         (c_parser_objc_class_instance_variables): Likewise.
6017         (c_parser_objc_class_declaration): Likewise.
6018         (c_parser_objc_try_catch_statement): Likewise.
6019         * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
6020         (declspecs_add_type): Likewise.
6021
6022 2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>
6023
6024         * ggc-page.c (alloc_page):
6025         Substituting xmalloc, xcalloc with
6026         XNEWVEC and XCNEWVAR macros which add the
6027         needed casts.
6028
6029 2008-07-11  Richard Guenther  <rguenther@suse.de>
6030
6031         PR tree-optimization/36765
6032         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6033         aliases from HEAP vars to SMTs.
6034
6035 2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6036
6037         * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
6038         * configure.ac (loose_warn): Move -Wc++-compat from here...
6039         (strict_warn): ...to here.
6040         * configure: Regenerate.
6041
6042 2008-07-10  Joseph Myers  <joseph@codesourcery.com>
6043
6044         * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
6045         i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
6046         m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
6047         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
6048         excluding more specific h8300-*-* and sh-*-* targets.
6049
6050 2008-07-10  Daniel Berlin  <dberlin@dberlin.org>
6051
6052         * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
6053         (eliminate): Ditto.
6054         (execute_pre): Call loop_optimizer_finalize in early exit.
6055
6056 2008-07-10  Jakub Jelinek  <jakub@redhat.com>
6057
6058         PR middle-end/36790
6059         * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
6060         uids in the bitmap, not just VAR_DECL uids.
6061
6062         PR rtl-optimization/36419
6063         * combine-stack-adj.c (adjust_frame_related_expr): New function.
6064         (combine_stack_adjustments_for_block): Call it if needed.  Delete
6065         correct insn.
6066         * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
6067         DW_CFA_GNU_args_size if CSA pass merged some adjustments into
6068         prologue sp adjustment.
6069
6070 2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
6071
6072         PR other/28322
6073         * opts.c (print_ignored_options): Report postponed diagnostics for
6074         unknown -Wno-* options as warnings, not errors.
6075         (postpone_unknown_option_error): Renamed to...
6076         (postpone_unknown_option_warning): ... this.
6077
6078 2008-07-09  Doug Kwan  <dougkwan@google.com>
6079
6080         Revert:
6081         2008-07-08  Doug Kwan  <dougkwan@google.com>
6082
6083         * config/arm/arm.opt (mandroid): New option.
6084         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
6085         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
6086         (CC1_SPEC): Same.
6087         (CC1PLUS_SPEC): Same.
6088         (LIB_SPEC): Same.
6089         (STARTFILE_SPEC): Same.
6090         (ENDFILE_SPEC): Same.
6091         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
6092         used.
6093
6094 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
6095
6096         PR target/35802
6097         * config/mips/mips.h (reg_class): Remove V1_REG.
6098         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
6099         * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
6100         instead of V1_REGS.
6101         (mips_get_tp): New function.
6102         (mips_legitimize_tls_address): Use it.
6103         * config/mips/constraints.md (v): Delete.
6104         * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
6105         (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
6106         After reload, split into a move and ...
6107         (*tls_get_tp_<mode>_split): ...this new instruction.
6108
6109 2008-07-09  David Daney  <ddaney@avtrex.com>
6110
6111         * config/mips/driver-native.c: Include coretypes.h and tm.h.
6112
6113 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
6114
6115         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
6116         (push_gimplify_context): Don't allocate temp_htab nor c itself here.
6117         Add c argument.
6118         (pop_gimplify_context): Check c->temp_htab instead of optimize whether
6119         htab_delete should be called.  Don't free c.
6120         (lookup_tmp_var): Create temp_htab lazily.
6121         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
6122         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
6123         callers.
6124         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
6125         lower_omp_ordered, lower_omp_critical, lower_omp_for,
6126         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
6127         * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
6128         * tree-sra.c (generate_element_init): Likewise.
6129         * tree-mudflap.c (execute_mudflap_function_ops,
6130         execute_mudflap_function_decls): Likewise.
6131         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
6132         * tree-gimple.h (struct gimplify_ctx): New type.
6133         (push_gimplify_context): Adjust prototype.
6134
6135 2008-07-09  Daniel Berlin  <dberlin@dberlin.org>
6136
6137         * tree-ssa-pre.c (phi_translate_1): Update placement of
6138         add_to_value calls.
6139
6140 2008-07-09  Anatoly Sokolov  <aesok@post.ru>
6141
6142         * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
6143         * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
6144         (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
6145         * targhooks.c (default_hard_regno_scratch_ok): New function.
6146         * targhooks.h (default_hard_regno_scratch_ok): Declare function.
6147         * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
6148         * recog.c:  Include "target.h".
6149         (peep2_find_free_register): Add check for global regs. Add target
6150         specific check.
6151         * Makefile.in (recog.o): Depend on target.h.
6152
6153 2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>
6154
6155         * config/sh/sh.c (sh_canonical_va_list_type): New.
6156         (TARGET_CANONICAL_VA_LIST_TYPE): Define.
6157
6158 2008-07-09  Raksit Ashok <raksit@google.com>
6159
6160         * doc/invoke.texi (Option Summary): Mention new option
6161         -Wdisallowed-function-list=...
6162         (Warning Options): Document -Wdisallowed-function-list=...
6163         * common.opt (Wdisallowed-function-list=): New flag.
6164         * flags.h (warn_disallowed_functions): External definition of new
6165         boolean warning flag.
6166         (warn_if_disallowed_function_p): Declare new function.
6167         * opts.c (warning_disallowed_functions): New static variable.
6168         (warn_disallowed_functions): New boolean warning flag.
6169         (warn_if_disallowed_function_p): New function.
6170         (add_comma_separated_to_vector): Rename
6171         add_instrument_functions_exclude_list to this.
6172         (common_handle_option): Handle new option. Rename calls to
6173         add_instrument_functions_exclude_list into calls to
6174         add_comma_separated_to_vector.
6175         * c-parser.c (c_parser_postfix_expression_after_primary): New warning
6176         based on flag warn_disallowed_functions.
6177
6178 2008-07-09  Christian Bruel  <christian.bruel@st.com>
6179
6180         * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
6181          instead of get_attr_length.
6182
6183 2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6184
6185         * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
6186         keywords.
6187         * genemit.c (gen_insn): Likewise.
6188         * gengtype.c (note_def_vec): Likewise.
6189         * gengtype.h (note_def_vec): Likewise.
6190         * genoutput.c (struct data, output_insn_data, process_template,
6191         gen_expand, gen_split, note_constraint): Likewise.
6192         * genrecog.c (new_decision, add_to_sequence, factor_tests,
6193         make_insn_sequence): Likewise.
6194         * gensupport.c (record_insn_name): Likewise.
6195
6196 2008-07-08  Doug Kwan  <dougkwan@google.com>
6197
6198         * config/arm/arm.opt (mandroid): New option.
6199         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
6200         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
6201         (CC1_SPEC): Same.
6202         (CC1PLUS_SPEC): Same.
6203         (LIB_SPEC): Same.
6204         (STARTFILE_SPEC): Same.
6205         (ENDFILE_SPEC): Same.
6206         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
6207         used.
6208
6209 2008-07-08  Raksit Ashok  <raksit@google.com>
6210
6211         * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
6212         (set_storage_via_setmem): Fix expected_align parameter.
6213         * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
6214         missing from the list.
6215         * doc/md.texi (movmem): Explicitly state that expected alignment is
6216         to be expressed in bytes.
6217         (setmem): Explicitly state that expected alignment is to be expressed
6218         in bytes.
6219
6220 2008-07-08  Joseph Myers  <joseph@codesourcery.com>
6221
6222         * reload.c (find_reloads_subreg_address): Do not require validity
6223         of address in original mode before reloading address.
6224
6225 2008-07-07  Tianwei Sheng  <tianweis@google.com>
6226
6227         * df-core.c (df_remove_problem): Adjust the access to avoid out of
6228         bounds array access.
6229
6230 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
6231
6232         * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.
6233
6234 2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
6235
6236         Fix PR tree-optimization/23455
6237         Fix PR tree-optimization/35286
6238         Fix PR tree-optimization/35287
6239         * Makefile.in (OBJS-common): Remove tree-vn.o.
6240         (tree-vn.o): Remove.
6241         * dbgcnt.def: Add treepre_insert debug counter.
6242         * gcc/tree-flow.h (add_to_value): Updated for other changes.
6243         (debug_value_expressions): Ditto.
6244         (print_value_expressions): Ditto.
6245         * tree-pretty-print.c (dump_generic_node): Updated for
6246         VALUE_HANDLE removal.
6247         * tree-ssa-dom.c (record_equality): Ditto.
6248         (cprop_operand): Ditto.
6249         (lookup_avail_expr): Ditto.
6250         * tree-ssa-threadedge.c
6251         (record_temporary_equivalences_from_stmts_at_dest): Ditto.
6252         (simplify_control_stmt_condition): Ditto.
6253         * tree.c (tree_code_size): Ditto.
6254         (tree_node_structure): Ditto.
6255         (iterative_hash_expr): Ditto.
6256         * tree.def: Ditto.
6257         * tree.h (VALUE_HANDLE_ID): Ditto.
6258         (VALUE_HANDLE_EXPR_SET): Ditto.
6259         (struct tree_value_handle): Ditto.
6260         (union tree_node): Ditto.
6261         * treestruct.def: Ditto.
6262         * tree-vn.c: Removed.
6263         * tree-ssa-pre.c: Rewritten entirely.
6264         * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
6265         (constant_value_ids): Ditto.
6266         (vn_nary_op_t): Moved to header.
6267         (vn_phi_t): Ditto.
6268         (vn_reference_op_t): Ditto
6269         (vn_reference_t): Ditto.
6270         (next_value_id): New variable.
6271         (VN_INFO): Add an assert.
6272         (vn_constant_eq): New function.
6273         (vn_constant_hash): Ditto.
6274         (get_or_alloc_constant_value_id): Ditto.
6275         (value_id_constant_p): Ditto.
6276         (vn_reference_compute_hash): De-staticify.
6277         (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
6278         Disable some code with a FIXME.  Remove VALUE_HANDLE use.
6279         (valueize_refs): Update opcode if it changes from ssa name to constant.
6280         (vn_reference_lookup_1): Add new argument.
6281         (vn_reference_lookup):  Ditto.
6282         (vn_reference_lookup_pieces): New function.
6283         (vn_reference_insert): Add return type. Modify to deal with value ids.
6284         (vn_reference_insert_pieces):  New function.
6285         (vn_nary_op_compute_hash): De-staticify.
6286         (vn_nary_op_eq): Ditto.
6287         (vn_nary_op_lookup_pieces): New function.
6288         (vn_nary_op_lookup): Add new argument.
6289         (vn_nary_op_insert_pieces): New function.
6290         (vn_nary_op_insert): Add return type. Modify to deal with value ids.
6291         (vn_phi_insert): Ditto.
6292         (visit_unary_op): Update for callee changes.
6293         (visit_binary_op): Ditto.
6294         (visit_reference_op_load): Ditto.
6295         (visit_reference_op_store): Ditto.
6296         (init_scc_vn): Init next_value_id, constant_to_value_id and
6297         constant_value_ids.
6298         (free_scc_vn): Free them.
6299         (set_hashtable_value_ids): New function.
6300         (run_scc_vn): Use it.
6301         (get_max_value_id): New function.
6302         (get_next_value_id): Ditto.
6303         (expressions_equal_p): Moved from tree-vn.c
6304         (sort_vuses): Ditto.
6305         (sort_vuses_heap): Ditto.
6306         * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
6307         above).
6308         * tree.c (iterative_hash_hashval_t): Made non-static
6309         * tree.h (iterative_hash_hashval_t): Declare it.
6310
6311 2008-07-08  Martin Jambor  <mjambor@suse.cz>
6312
6313         * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
6314         instead of ipa_create_node_params.
6315         (ipcp_driver): Allocate infos with ipa_check_create_node_params and
6316         ipa_check_create_edge_args, free them with
6317         free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.
6318
6319         * ipa-prop.c: Include flags.h and tree-inline.h.
6320         (ipa_node_params_vector): New variable.
6321         (ipa_edge_args_vector): New variable.
6322         (edge_removal_hook_holder): New variable.
6323         (node_removal_hook_holder): New variable.
6324         (edge_duplication_hook_holder): New variable.
6325         (node_duplication_hook_holder): New variable.
6326         (ipa_detect_param_modifications): Check for presence of modified flags.
6327         (ipa_compute_jump_functions): Check for presence of jump functions.
6328         (ipa_free_edge_args_substructures): New function.
6329         (ipa_create_node_params): Removed.
6330         (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
6331         (ipa_free_node_params_substructures): New function.
6332         (ipa_free_all_node_params): Changed to deallocate the on-the-side
6333         vector.
6334         (ipa_edge_removal_hook): New function.
6335         (ipa_node_removal_hook): New function.
6336         (duplicate_array): New function.
6337         (ipa_edge_duplication_hook): New function.
6338         (ipa_node_duplication_hook): New function.
6339         (ipa_register_cgraph_hooks): New function.
6340         (ipa_unregister_cgraph_hooks): New function.
6341         (free_all_ipa_structures_after_ipa_cp): New function.
6342
6343         * ipa-prop.h: Include vec.h.
6344         (ipa_node_params_t): New typedef with vector types for it.
6345         (ipa_edge_args_t):  New typedef with vector types for it.
6346         (IPA_NODE_REF): Changed to access an on-the-side vector.
6347         (IPA_EDGE_REF): Changed to access an on-the-side vector.
6348         (ipa_check_create_node_params): New function.
6349         (ipa_check_create_edge_args): New function.
6350
6351         * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
6352         all users.
6353
6354 2008-07-07  Tom Tromey  <tromey@redhat.com>
6355
6356         * configure, config.in: Rebuilt.
6357         * configure.ac: Don't check for scandir or alphasort.
6358
6359 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
6360
6361         * config/arm/arm.c (arm_init_neon_builtins): Register built-in
6362         types immediately after creating them.
6363
6364 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
6365
6366         * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.
6367
6368 2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>
6369
6370         * tree-ssa-structalias.c (compute_points_to_sets): Add call to
6371         dump_constraint_graph.
6372         (dump_constraint_edge): New function.
6373         (dump_constraint_graph): New function.
6374         (debug_constraint_graph): New function.
6375         (dump_constraint): Removed useless comparison.
6376         * tree-ssa-structalias.h (dump_constraint_edge): Declare.
6377         (dump_constraint_graph): Declare.
6378         (debug_constraint_graph): Declare.
6379         * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.
6380
6381 2008-07-07  Kai Tietz  <kai.tietz@onevision.com>
6382
6383         * config/i386/i386.c (is_va_list_char_pointer): New.
6384         (ix86_va_start): Replace compare with ms_va_list_type_node
6385         by is_va_list_char_pointer.
6386         (ix86_gimplify_va_arg): Likewise.
6387
6388 2008-07-07  Martin Jambor  <mjambor@suse.cz>
6389
6390         * cgraph.c (cgraph_edge_max_uid): New variable.
6391         (struct cgraph_edge_hook_list): New type.
6392         (struct cgraph_node_hook_list): New type.
6393         (struct cgraph_2edge_hook_list): New type.
6394         (struct cgraph_2node_hook_list): New type.
6395         (first_cgraph_edge_removal_hook): New variable.
6396         (first_cgraph_node_removal_hook): New variable.
6397         (first_cgraph_edge_duplicated_hook): New variable.
6398         (first_cgraph_node_duplicated_hook): New variable.
6399         (cgraph_add_edge_removal_hook): New function.
6400         (cgraph_remove_edge_removal_hook): New function.
6401         (cgraph_call_edge_removal_hooks):  New function.
6402         (cgraph_add_node_removal_hook):  New function.
6403         (cgraph_remove_node_removal_hook):  New function.
6404         (cgraph_call_node_removal_hooks):  New function.
6405         (cgraph_add_edge_duplication_hook):  New function.
6406         (cgraph_remove_edge_duplication_hook):  New function.
6407         (cgraph_call_edge_duplication_hooks):  New function.
6408         (cgraph_add_node_duplication_hook):  New function.
6409         (cgraph_remove_node_duplication_hook):  New function.
6410         (cgraph_call_node_duplication_hooks):  New function.
6411         (cgraph_create_edge): Assign to edge uid.
6412         (cgraph_remove_edge): Call edge removal hooks.
6413         (cgraph_node_remove_callees): Call edge removal hooks.
6414         (cgraph_node_remove_callers): Call edge removal hooks.
6415         (cgraph_remove_node): Call node removal hooks.
6416         (cgraph_clone_edge): Call edge duplication hooks.
6417         (cgraph_clone_node): Call node duplication hooks.
6418
6419         * cgraph.h (cgraph_edge): New field uid.
6420         (cgraph_edge_hook): New type.
6421         (cgraph_node_hook): New type.
6422         (cgraph_2edge_hook): New type.
6423         (cgraph_2node_hook): New type.
6424
6425 2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>
6426
6427         * config.in: Regenerate.
6428
6429 2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>
6430
6431         * gcc.c (print_sysroot): New.
6432         (option_map, display_help, process_command): Handle the
6433         -print-sysroot option.
6434         (main): Print the sysroot if requested.
6435         * doc/invoke.texi (Debugging Options): Document -print-sysroot.
6436
6437 2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6438
6439         PR target/34780
6440         * unwind-pe.h (size_of_encoded_value): add attribute unused.
6441
6442 2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>
6443
6444         * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
6445         (assign_parm_setup_block_p): Also check mode of entry_parm.
6446
6447 2008-07-07  Richard Guenther  <rguenther@suse.de>
6448
6449         * tree-ssa-structalias.h (set_used_smts): Remove.
6450         * tree-ssa-structalias.c (used_smts): Likewise.
6451         (set_used_smts): Likewise.
6452         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
6453         call to set_used_smts.
6454
6455 2008-07-07  Richard Guenther  <rguenther@suse.de>
6456
6457         * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
6458         (new_var_info): Set it to false.
6459         (solution_set_add): Correctly handle pointers outside a var and
6460         inside a field.
6461         (type_safe): Treat variables with is_full_var properly.
6462         (do_sd_constraint): Likewise.
6463         (do_ds_constraint): Likewise.
6464         (process_constraint): Remove zeroing offset for !use_field_sensitive.
6465         (get_constraint_for_ptr_offset): New function.
6466         (get_constraint_for_component_ref): For addresses at least include
6467         the last field of the variable.  Handle is_full_vars properly.
6468         (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
6469         (handle_ptr_arith): Remove.
6470         (find_func_aliases): Simplify assignment handling.
6471         (create_function_info_for): For parameter and result varinfos set
6472         is_full_var flag.
6473         (create_variable_info_for): Set is_full_var flag whenever we
6474         just created a single varinfo for a decl.
6475         (init_alias_vars): Initialize use_field_sensitive from
6476         max-fields-for-field-sensitive parameter.
6477
6478 2008-07-07  Richard Guenther  <rguenther@suse.de>
6479
6480         PR tree-optimization/36713
6481         * tree-flow-inline.h (is_call_used): New function.
6482         * tree-nrv.c (dest_safe_for_nrv_p): Use it.
6483         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
6484         * tree-outof-ssa.c (create_temp): Set call-used flag if required.
6485
6486 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6487
6488         * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
6489
6490 2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
6491
6492         * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
6493
6494 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6495             Nathan Sidwell  <nathan@codesourcery.com>
6496
6497         * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
6498         to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
6499         tmake_file.
6500         * config/m68k/t-linux: New.
6501         * doc/install.texi: Document m68k-*-linux is now multilibbed by
6502         default.
6503
6504 2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6505
6506         * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
6507         * config/m68k/m68k-devices.def: Remove multilibs that only differ
6508         by MAC/EMAC.
6509
6510 2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6511
6512         * gcc.c (execute): Fix -Wc++-compat warning.
6513
6514 2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>
6515
6516         PR target/36720
6517         * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
6518         constant for little endian.
6519
6520 2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>
6521
6522         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
6523         mips_base_mips16 instead of TARGET_MIPS16.
6524         (mips_base_mips16): Declare.
6525         * config/mips/mips.c (mips_base_mips16): Make global.
6526         (was_mips16_p): Remove GTY marker.
6527         (was_mips16_pch_p): New variable.
6528         (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
6529         (mips_override_options): Force to non-MIPS16 mode initially.
6530         Do not complain about MIPS16 PIC incompatibilities here.
6531         Only allow -mgpopt if -mexplicit-relocs is in force for
6532         non-MIPS16 code.
6533
6534 2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>
6535
6536         * configure.ac: Check for caddr_t, define to char * if not defined.
6537         * configure: Regenerate.
6538         * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
6539         (mmap_gt_pch_use_address): Likewise.
6540         * config/host-solaris.c (sol_gt_pch_use_address): Likewise.
6541
6542 2008-07-06  Richard Guenther  <rguenther@suse.de>
6543
6544         * tree-ssa-structalias.c (struct variable_info): Remove has_union.
6545         (new_var_info): Deal with it.
6546         (solution_set_add): Likewise.
6547         (bitpos_of_field): Make signed, fix.
6548         (struct fieldoff): Remove type and decl fields.  Make size field
6549         unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
6550         flags.
6551         (fieldoff_compare): Deal with it.
6552         (push_fields_onto_fieldstack): Remove has_union argument, glob
6553         adjacent non-pointer fields together.
6554         (create_function_info_for): Do not set has_union.
6555         (create_variable_info_for): Simplify.
6556
6557 2008-07-06  Kai Tietz  <kai.tietz@onevision.com>
6558
6559         * config.gcc (extra_headers): Add cross-stdarg.h for target
6560         x86_64-*-* and i?86-*-*.
6561         * config/i386/cross-stdarg.h: New.
6562         * builtins.c (std_fn_abi_va_list): New.
6563         (std_canonical_va_list_type): New.
6564         (stabilize_va_list): Replace va_list_type_node use by
6565         mtarget.canonical_va_list_type.
6566         (gimplify_va_arg_expr): Likewise.
6567         (expand_builtin_va_copy): Replace va_list_type_node use by
6568         mtarget.fn_abi_va_list.
6569         * tree-sra.c (is_va_list_type): New helper.
6570         (decl_can_be_decomposed_p): Replace
6571         va_list_type_node use by is_va_list_type.
6572         * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
6573         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
6574         * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
6575         * config/i386/i386-protos.h (ix86_get_valist_type): New.
6576         (ix86_enum_va_list): New.
6577         * config/i386/i386.c (sysv_va_list_type_node): New.
6578         (ms_va_list_type_node): New.
6579         (ix86_function_type_abi): Remove sorry.
6580         (ix86_build_builtin_va_list_abi): New.
6581         (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
6582         for 64-bit targets.
6583         (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
6584         (ix86_init_builtins_va_builtins_abi): New.
6585         (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
6586         for 64-bit targets.
6587         (ix86_handle_abi_attribute): New.
6588         (attribute_spec): Add sysv_abi and ms_abi.
6589         (ix86_fn_abi_va_list): New.
6590         (ix86_canonical_va_list_type): New.
6591         (ix86_enum_va_list): New.
6592         (TARGET_FN_ABI_VA_LIST): New.
6593         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6594         * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
6595         * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
6596         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6597         (TARGET_ENUM_VA_LIST): New.
6598         * expr.h (std_fn_abi_va_list): New.
6599         (std_canonical_va_list_type): New.
6600         * target-def.h (TARGET_FN_ABI_VA_LIST): New.
6601         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6602         (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
6603         TARGET_CANONICAL_VA_LIST_TYPE.
6604         * target.h (struct gcc_target): Add fn_abi_va_list hook
6605         and canonical_va_list_type hook.
6606
6607 2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6608
6609         * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
6610         integral and pointer types.
6611
6612 2008-07-04  Roger Sayle  <roger@eyesopen.com>
6613
6614         * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
6615         the "void*" result of xmalloc to "char*" to fix bootstrap breakage.
6616
6617 2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
6618
6619         PR target/36684
6620         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.
6621
6622 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
6623
6624         * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
6625         build_gimple_modify_stmt.
6626         (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
6627         gimple operand.  Use fold_build* instead of build*.
6628
6629 2008-07-04  Richard Guenther  <rguenther@suse.de>
6630
6631         * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
6632         (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
6633         properly to compute the reachability set if we do field-sensitive PTA.
6634         * invoke.texi (max-fields-for-field-sensitive): Document default.
6635         * opts.c (decode_options): Set max-fields-for-field-sensitive to
6636         100 for optimize >= 2.
6637
6638 2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6639
6640         * ggc-zone.c (lookup_page_table_if_allocated,
6641         set_page_table_entry, zone_find_object_size, alloc_small_page,
6642         alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
6643         new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
6644         -Wc++-compat and/or -Wcast-qual warnings.
6645
6646 2008-07-04  Alan Modra  <amodra@bigpond.net.au>
6647
6648         PR target/36634
6649         * config/rs6000/rs6000.md (call, call_value): Don't arrange for
6650         pic_offset_table_rtx to be marked as used here.
6651         (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
6652         TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
6653         (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
6654         (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
6655         !TARGET_SECURE_PLT.
6656
6657 2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6658
6659         * alloc-pool.c (hash_descriptor, eq_descriptor,
6660         alloc_pool_descriptor): Fix -Wc++-compat warnings.
6661         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
6662         Likewise.
6663         * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
6664         loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
6665         final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
6666         * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
6667         Likewise.
6668
6669 2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>
6670
6671         * tree-flow.h (loop_only_exit_p): Declare.
6672         * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
6673         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
6674         the number of iterations if it is constant.  Otherwise, if this is the
6675         only possible exit of the loop, use the conservative estimate on the
6676         number of iterations of the entire loop if available.
6677
6678 2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>
6679
6680         * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
6681         * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
6682         Add synchronization functions.
6683         * config/sync.c: New file.
6684         * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
6685         (LIBGCC_SYNC_CFLAGS): Likewise.
6686
6687 2008-07-03  Uros Bizjak  <ubizjak@gmail.com>
6688
6689         PR target/36710
6690         * config/i386/i386.md (mode): Add TF to "mode" attribute.
6691         (*pushtf_sse): New insn pattern.
6692         (pushtf splitters): New splitters.
6693
6694 2008-07-03  Michael Meissner  <gnu@the-meissners.org>
6695
6696         PR middle-end/35736
6697         * predict.c (build_predict_expr): Use void_type_node for the tree
6698         type, instead of NULL_TREE.
6699
6700 2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>
6701
6702         * config/i386/i386.c (contains_aligned_value_p): Return true
6703         for TCmode.
6704         (ix86_data_alignment): Align TCmode to 128bits.
6705         (ix86_local_alignment): Likewise.
6706
6707 2008-07-03  Andrew Haley  <aph@redhat.com>
6708
6709         PR bootstrap/33304
6710         * vec.h (VEC_TA): New.
6711         (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
6712         DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
6713         * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
6714         (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
6715         (C_COMMON_FIXED_TYPES): Remove first arg.
6716         (C_COMMON_FIXED_MODE_TYPES): Likewise.
6717         * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
6718         MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
6719         not to use empty macro arguments.
6720
6721 2008-07-02  Joseph Myers  <joseph@codesourcery.com>
6722
6723         * config/alpha/vms_tramp.asm, config/arm/crti.asm,
6724         config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
6725         config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
6726         config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
6727         config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
6728         config/i386/sol2-gc1.asm, config/ia64/crti.asm,
6729         config/ia64/crtn.asm, config/m68hc11/larith.asm,
6730         config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
6731         config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
6732         config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
6733         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
6734         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
6735         config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
6736         config/rs6000/e500crtres64gpr.asm,
6737         config/rs6000/e500crtres64gprctr.asm,
6738         config/rs6000/e500crtrest32gpr.asm,
6739         config/rs6000/e500crtrest64gpr.asm,
6740         config/rs6000/e500crtresx32gpr.asm,
6741         config/rs6000/e500crtresx64gpr.asm,
6742         config/rs6000/e500crtsav32gpr.asm,
6743         config/rs6000/e500crtsav64gpr.asm,
6744         config/rs6000/e500crtsav64gprctr.asm,
6745         config/rs6000/e500crtsavg32gpr.asm,
6746         config/rs6000/e500crtsavg64gpr.asm,
6747         config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
6748         config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
6749         config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
6750         config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
6751         config/sparc/sol2-cn.asm: Remove .file directives.
6752
6753 2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
6754
6755         * resource.c (mark_referenced_resources): Look inside
6756         UNSPEC_VOLATILEs and ASM_INPUTs.
6757
6758 2008-07-02  Ian Lance Taylor  <iant@google.com>
6759
6760         * rtlanal.c (add_reg_note): New function.
6761         * rtl.h (add_reg_note): Declare.
6762         * auto-inc-dec.c (attempt_change): Use add_reg_note.
6763         * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
6764         * builtins.c (expand_builtin_longjmp): Likewise.
6765         (expand_builtin_nonlocal_goto): Likewise.
6766         * calls.c (emit_call_1, expand_call): Likewise.
6767         * cfgexpand.c (add_reg_br_prob_note): Likewise.
6768         * cfglayout.c (fixup_reorder_chain): Likewise.
6769         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
6770         (commit_one_edge_insertion): Likewise.
6771         * combine.c (move_deaths, distribute_notes): Likewise.
6772         * df-problems.c (df_set_note): Likewise.
6773         * emit-rtl.c (link_cc0_insns, try_split): Likewise.
6774         (set_unique_reg_note): Likewise.
6775         (emit_copy_of_insn_after): Likewise.
6776         * expr.c (expand_expr_real): Likewise.
6777         * gcse.c (add_label_notes): Likewise.
6778         * haifa-sched.c (create_check_block_twin): Likewise.
6779         * jump.c (mark_jump_label_1): Likewise.
6780         * loop-doloop.c (add_test, doloop_modify): Likewise.
6781         * loop-unswitch.c (compare_and_jump_seq): Likewise.
6782         * lower-subreg.c (move_eh_region_note): Likewise.
6783         * optabs.c (emit_libcall_block): Likewise.
6784         * predict.c (predict_insn): Likewise.
6785         (combine_predictions_for_insn): Likewise.
6786         * recog.c (peephole2_optimize): Likewise.
6787         * regmove.c (try_auto_increment): Likewise.
6788         * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
6789         * reload.c (find_reloads): Likewise.
6790         * reload1.c (fixup_eh_region_note): Likewise.
6791         (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
6792         * reorg.c (delete_prior_computation): Likewise.
6793         (delete_computation, dbr_schedule): Likewise.
6794         * config/pa/pa.c (legitimize_pic_address): Likewise.
6795         * config/sh/sh.c (sh_reorg): Likewise.
6796
6797 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6798
6799         PR target/36669
6800         * config/libgcc-glibc.ver: Add %exclude.
6801         * config/m32r/libgcc-glibc.ver: Likwise.
6802         * config/s390/libgcc-glibc.ver: Likwise.
6803         * config/sh/libgcc-glibc.ver: Likwise.
6804         * config/sparc/libgcc-sparc-glibc.ver: Likwise.
6805
6806         * config/i386/libgcc-glibc.ver: New.
6807
6808         * config/i386/libgcc-x86_64-glibc.ver: Removed.
6809
6810 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6811
6812         * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
6813         from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
6814         i[34567]86-*-linux*, x86_64-*-linux*.  Add
6815         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
6816         i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
6817         x86_64-*-linux*.  Add i386/t-linux to tmake_file for
6818         i[34567]86-*-linux*, x86_64-*-linux*.
6819
6820         * libgcc-std.ver: Add empty GCC_4.4.0.
6821
6822         * mkmap-symver.awk: Support multiple versions per symbol.
6823
6824         * config/i386/i386.c (ix86_init_builtins): Always define
6825         __builtin_fabsq and __builtin_copysignq with fallbacks.
6826         (ix86_expand_builtin): Emit normal call for __builtin_fabsq
6827         and __builtin_copysignq if SSE2 isn't available.
6828
6829         * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
6830         (LIBGCC2_TF_CEXT): Likwise.
6831         (TF_SIZE): Likwise.
6832
6833         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
6834
6835         * config/i386/sfp-machine.h: Moved to libgcc.
6836
6837         * config/i386/sfp-machine.h: New.
6838         * config/i386/t-linux: Likwise.
6839
6840         * config/i386/t-darwin: Remove softfp_wrap_start and
6841         softfp_wrap_end.
6842         * config/i386/t-darwin64: Likewise.
6843
6844         * config/i386/t-fprules-softfp64: Renamed to ...
6845         * config/i386/t-fprules-softfp: This.
6846
6847         * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
6848         and softfp_wrap_end.
6849
6850 2008-07-02  Jason Merrill  <jason@redhat.com>
6851
6852         * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.
6853
6854         * tree.c (ctor_to_list): New fn.
6855         * tree.h: Declare it.
6856         (CONSTRUCTOR_ELT): New macro.
6857         (CONSTRUCTOR_NELTS): New macro.
6858
6859 2008-07-02  Richard Guenther  <rguenther@suse.de>
6860
6861         * tree-ssa-structalias.c (struct variable_info): Reorder
6862         to fill padding on 64bit hosts.  Make collapsed_to an int.
6863         (get_varinfo_fc): Deal with that.
6864         (new_var_info): Likewise.
6865         (collapse_rest_of_var): Likewise.
6866
6867 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
6868
6869         * doc/install.texi (--enable-java-home): Document.
6870         (--enable-aot-compile-rpm): Likewise.
6871         (--with-arch-directory): Likewise.
6872         (--with-os-directory): Likewise.
6873         (--with-origin-name): Likewise.
6874         (--with-arch-suffix): Likewise.
6875         (--with-jvm-root-dir): Likewise.
6876         (--with-jvm-jar-dir): Likewise.
6877         (--with-python-dir): Likewise.
6878
6879 2008-07-02  Richard Guenther  <rguenther@suse.de>
6880
6881         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
6882         from decls explicitly.  Merge operand checking from tuples.
6883
6884 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6885
6886         * tree-switch-conversion.c: Included timevar.h which I forgot before.
6887
6888 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6889
6890         * tree-switch-conversion.c: Included timevar.h
6891         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
6892
6893         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
6894
6895 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6896
6897         * tree-switch-conversion.c: Corrected various comments and
6898         whitespace issues
6899         (build_constructors): Fixed minor formatting mistakes.
6900
6901         * invoke.texi (Optimize Options): Corrected the
6902         switch-conversion-max-branch-ratio parameter.
6903
6904 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
6905
6906         * final.c (asm_insn_count): Return zero for an empty asm body.
6907
6908 2008-07-02  Richard Guenther  <rguenther@suse.de>
6909
6910         * bitmap.h (bitmap_set_bit): Return bool.
6911         (bitmap_clear_bit): Likewise.
6912         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
6913         write to the bitmap if it would.
6914         (bitmap_clear_bit): Likewise.
6915         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
6916         bitmap_set_bit return value.
6917         (add_pred_graph_edge): Likewise.
6918         (add_graph_edge): Likewise.
6919         (do_sd_constraint): Likewise.
6920         (do_ds_constraint): Likewise.
6921
6922 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6923
6924         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
6925         Fix -Wc++-compat and/or -Wcast-qual warnings.
6926         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
6927         gen_regparm_prefix): Likewise.
6928         * vmsdbgout.c (write_modbeg, lookup_filename,
6929         vmsdbgout_source_line, vmsdbgout_init): Likewise.
6930
6931 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
6932
6933         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
6934         defaults.h definition apply.
6935
6936 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6937
6938         * function.c (assign_parm_remove_parallels): New.
6939         (assign_parm_setup_block_p): Do not return true for non-BLKmode
6940         PARALLELs.
6941         (assign_parm_setup_block): Do not handle them.
6942         (assign_parm_setup_reg, assign_parm_setup_stack): Call
6943         assign_parm_remove_parallels.
6944
6945 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6946
6947         * c-typeck.c (convert_for_assignment): Use
6948         vector_targets_convertible_p.
6949         * c-common.c (vector_targets_convertible_p): New.
6950         * c-common.h (vector_targets_convertible_p): New prototype.
6951         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
6952         opaque_p_V2SI_type_node.
6953
6954 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
6955
6956         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
6957         RFmode constants.
6958
6959 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
6960
6961         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
6962         TFmode constants via two element DImode vector for hosts with
6963         HOST_BITS_PER_WIDE_INT < 64.
6964         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
6965         also for HOST_BITS_PER_WIDE_INT < 64.
6966
6967 2008-07-01  Richard Guenther  <rguenther@suse.de>
6968
6969         PR tree-optimization/36666
6970         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
6971         (get_constraint_exp_from_ssa_var): Split into ...
6972         (get_constraint_exp_for_temp): ... this ...
6973         (get_constraint_for_ssa_var): ... and that.
6974         Return constraint expressions for all touched sub-fields
6975         if the results address is not taken.
6976         (process_constraint): Remove assertion that aggregate
6977         assignments do not happen at this place.
6978         (get_constraint_for_component_ref): Add address_p argument.
6979         Return constraint expressions for all touched sub-fields
6980         if the results address is not taken.
6981         (do_deref): Use get_constraint_exp_for_temp.
6982         (get_constraint_for_1): Rename from ...
6983         (get_constraint_for): ... this.  Add the old function as wrapper.
6984         (do_structure_copy): Use get_constraint_for_1.
6985
6986 2008-07-01  Martin Jambor  <mjambor@suse.cz>
6987
6988         * Makefile.in (tree-switch-conversion.o): Add.
6989         (OBJS-common): Add tree-swtch-conversion.o.
6990         * passes.c (init_optimization_passes): Add pass_convert_switch.
6991         * tree-pass.h: (pass_convert_switch): Add.
6992         * tree-switch-conversion.c: New file.
6993         * gcc.dg/tree-ssa/cswtch.c: New testcase.
6994         * common.opt (ftree-cswtch): New option.
6995         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6996         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6997         * opts.c (decode_options): Set flag_tree_switch_conversion when
6998         optimization level is >= 2.
6999         * doc/invoke.texi (Optimize Options): Added description of
7000         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
7001
7002 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7003
7004         * config/darwin-driver.c (darwin_default_min_version): Fix
7005         -Wc++-compat warnings.
7006
7007 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
7008
7009         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
7010         of operand 0.
7011
7012 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
7013
7014         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
7015
7016 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
7017
7018         PR rtl-optimization/34744
7019         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
7020         (df_scan_free_internal): Free data structures not
7021         allocated in storage pools.
7022         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
7023         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
7024         df_scan_free_mws_vec.
7025         * dse.c (dse_step6): Free offset_map_p and offset_map_n
7026         unconditionally.
7027
7028 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
7029
7030         * config/i386/i386.c (contains_aligned_value_p): Return true
7031         for __float128.
7032         (ix86_function_arg_boundary): Return its natural boundary
7033         for __float128.
7034         (return_in_memory_32): Don't check TDmode.
7035         (ix86_split_to_parts): Support splitting into 4 parts and
7036         support TFmode for 32bit target.
7037         (ix86_split_long_move): Support splitting into 4 parts.
7038         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
7039         for SSE2.
7040         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
7041         (ix86_init_builtins): Here.
7042         (ix86_scalar_mode_supported_p): Always return true for TFmode.
7043         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
7044         'q' and 'w', respectively.
7045
7046         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
7047         TARGET_64BIT.
7048         (movtf_internal): Likewise.
7049         (<code>tf2): Likewise.
7050         (*absnegtf2_sse): Likewise.
7051         (copysign<mode>3): Likewise.
7052         (copysign<mode>3_const): Likewise.
7053         (copysign<mode>3_var): Likewise.
7054         (define_split UNSPEC_COPYSIGN): Likewise.
7055         * config/i386/sse.md (*nandtf3): Likewise.
7056         (<code>tf3): Likewise.
7057         (*<code>tf3): Likewise.
7058
7059 2008-06-30  Joey Ye  <joey.ye@intel.com>
7060             H.J. Lu  <hongjiu.lu@intel.com>
7061
7062         * global.c (compute_regsets): Set frame_pointer_needed here.
7063         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
7064
7065 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
7066
7067         * doc/install.texi (specific): Expand Windows build notes.
7068
7069 2008-06-30  Ira Rosen  <irar@il.ibm.com>
7070
7071         PR tree-optimization/36648
7072         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
7073         number of prolog iterations by step. Fix the comment.
7074
7075 2008-06-30  Richard Guenther  <rguenther@suse.de>
7076
7077         PR middle-end/36671
7078         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
7079         handle calls from ECF_MALLOC functions.
7080         (handle_pure_call): ECF_MALLOC functions do not return
7081         call-used memory.
7082         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
7083
7084 2008-06-29  Andreas Schwab  <schwab@suse.de>
7085
7086         * config/m68k/m68k.c (print_operand): Always print a float
7087         constant in hex.
7088         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
7089         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
7090         Remove macros.
7091
7092         * config/rs6000/x-linux64: Remove never used file.
7093
7094 2008-06-29  Richard Guenther  <rguenther@suse.de>
7095
7096         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
7097         prototype.
7098         (struct alias_info): Move ...
7099         * tree-ssa-alias.c: ... here.
7100         (update_alias_info): Declare.
7101         (compute_may_aliases): Call it.
7102         (update_alias_info): New function.
7103         * tree-ssa-structalias.c (update_alias_info): Move ...
7104         * tree-ssa-alias.c (update_alias_info_1): ... here.
7105         * tree-ssa-structalias.c (process_constraint_1): Remove
7106         unused from_call argument.  Rename to ...
7107         (process_constraint): ... this.  Delete old wrapper.
7108         (make_constraint_to): Adjust callers.
7109         (handle_const_call): Likewise.
7110         (handle_pure_call): Likewise.
7111         (init_base_vars): Likewise.
7112         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
7113         (find_func_aliases): We don't need structure copies for
7114         complex types.
7115         (make_constraint_from_anything): Remove.
7116         (create_variable_info_for): For globals make constraints
7117         from escaped, not from anything.
7118         (compute_points_to_sets): Do not call update_alias_info.
7119         (ipa_pta_execute): Use make_constraint_from.
7120
7121 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7122
7123         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
7124         (bitmap.o-warn, dominance.o-warn): New.
7125         * configure.ac (cxx_compat_warn): Delete.
7126         (loose_warn): Add -Wcast-qual and -Wc++-compat.
7127         * system.h: Remove #pragma diagnostic for -Wcast-qual and
7128         -Wc++-compat.
7129         * configure: Regenerate.
7130
7131         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
7132         warnings.
7133
7134 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7135
7136         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
7137         * df-scan.c (df_notes_rescan): Likewise.
7138         * ggc-page.c (set_page_table_entry): Likewise.
7139         * intl.c (gcc_gettext_width): Likewise.
7140         * varasm.c (get_unnamed_section, get_noswitch_section,
7141         get_section): Likewise.
7142
7143 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
7144
7145         * regrename.c (build_def_use): Don't copy RTX.
7146
7147 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
7148
7149         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
7150         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
7151         punctuation.  Use @ref instead of @xref.
7152         (Function Names): Remove stray @display/@end display.
7153         (C++ Attributes): Use @ref instead of @xref.
7154         (Deprecated Features): Fix punctuation around @xref.
7155         (Backwards Compatibility): Likewise.
7156         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
7157
7158 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
7159
7160         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
7161         constants for E500 double.
7162
7163 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7164
7165         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
7166         element type of const_vector.
7167
7168 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
7169
7170         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
7171         Remove FLAGS_REG clobber from expander pattern.
7172         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
7173         (anddi3, andsi3, andhi3, andqi3): Ditto.
7174         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
7175         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
7176         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
7177         (ashlsi3, ashlhi3, ashlqi3): Ditto.
7178         (ashrsi3, ashrhi3, ashrqi3): Ditto.
7179         (lshrsi3, lshrhi3, lshrqi3): Ditto.
7180         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
7181         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
7182
7183 2008-06-28  Richard Guenther  <rguenther@suse.de>
7184
7185         * tree-ssa-structalias.c (callused_id, var_callused,
7186         callused_tree): Add.
7187         (handle_pure_call): New function.
7188         (find_func_aliases): Call it.
7189         (find_what_p_points_to): Handle the call-used set.
7190         (clobber_what_escaped): Likewise.
7191         (compute_call_used_vars): New function.
7192         (init_base_vars): Init the call-used variable.
7193         (do_sd_constraint): Do not propagate the solution from CALLUSED
7194         but use CALLUSED as a placeholder.
7195         (solve_graph): Likewise.
7196         * tree-flow-inline.h (gimple_call_used_vars): New function.
7197         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
7198         (compute_call_used_vars): Declare.
7199         * tree-ssa-alias.c (set_initial_properties): Call
7200         compute_call_used_vars.
7201         (reset_alias_info): Clear call-used variables.
7202         (add_call_clobber_ops): Assert we are not called for const/pure
7203         functions.  Remove handling of them.
7204         (add_call_read_ops): Handle pure functions by adding the
7205         call-used set of variables as VUSEs.
7206         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
7207         (delete_tree_ssa): Free it.
7208         * tree-dfa.c (remove_referenced_var): Clear the var from the
7209         call-used bitmap.
7210
7211 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
7212
7213         * tree.c (build_varargs_function_type_list): New.
7214         (build_function_type_list_1): New.
7215         (build_function_type_list): Use build_function_type_list_1.
7216         * tree.h (build_varargs_function_type_list): New.
7217
7218 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7219
7220         PR target/34856
7221         * config/spu/spu.c (spu_builtin_splats): Do not generate
7222         invalid CONST_VECTOR expressions.
7223         (spu_expand_vector_init): Likewise.
7224
7225 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
7226
7227         * optabs.c (libfunc_decls): New variable.
7228         (libfunc_decl_hash, libfunc_decl_eq): New functions.
7229         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
7230         for the same function twice.
7231
7232 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
7233
7234         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
7235         ix86_expand_binary_operator directly.
7236         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
7237         for operand 2.
7238         (*ashrti3_1): Ditto.
7239         (*lshrti3_1): Ditto.
7240         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
7241         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
7242         using only one splitter.  Conditionaly execute splitter before or
7243         after peephole2 pass.
7244         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
7245         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
7246         Use only one alternative in asm template.
7247         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
7248         in asm template.
7249         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
7250         "J" operand constraint for operand 2.
7251         (*ashldi3_cconly_rex64): Ditto.
7252         (*ashrdi3_cmp_rex64): Ditto.
7253         (*ashrdi3_cconly_rex64): Ditto.
7254         (*lshrdi3_cmp_rex64): Ditto.
7255         (*lshrdi3_cconly_rex64): Ditto.
7256         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
7257         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
7258         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
7259         gen_x86_shrd_1.
7260
7261 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
7262
7263         * gimplify.c (omp_is_private): Don't return true if decl is not
7264         already private on #pragma omp for or #pragma omp parallel for.
7265
7266         PR debug/36617
7267         * tree-cfg.c (struct move_stmt_d): Replace block field with
7268         orig_block and new_block fields.
7269         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
7270         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
7271         (move_block_to_fn): Replace vars_map and new_label_map arguments
7272         with struct move_stmt_d pointer.
7273         (replace_block_vars_by_duplicates): New function.
7274         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
7275         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
7276         all subblocks of ORIG_BLOCK to the new function.  Call
7277         replace_block_vars_by_duplicates.
7278         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
7279         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
7280         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
7281         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
7282         (expand_omp): Temporarily set input_location to the location of
7283         region's controlling stmt.
7284         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
7285         BIND_EXPR, push ctx->block_vars and gimplification vars into
7286         the BIND_EXPR and its block's BLOCK_VARS instead of directly
7287         into dest function.
7288         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
7289         there are any BLOCK_VARS.
7290         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
7291         OMP_PARALLEL or OMP_TASK stmt.
7292         (lower_omp): Save and restore input_location around the lower_omp_1
7293         call.
7294
7295 2008-06-27  Richard Guenther  <rguenther@suse.de>
7296
7297         PR tree-optimization/36400
7298         PR tree-optimization/36373
7299         PR tree-optimization/36344
7300         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
7301         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
7302         (update_alias_info): Remove call clobbering code.
7303         (make_constraint_to): New helper function.
7304         (make_escape_constraint): Likewise.
7305         (handle_rhs_call): Use it on all pointer containing arguments.
7306         Also mark the static chain escaped.
7307         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
7308         instead of ANYTHING.
7309         (make_constraint_from): New helper split out from ...
7310         (make_constraint_from_anything): ... here.
7311         (find_func_aliases): Add constraints for escape sites.
7312         (intra_create_variable_infos): Make constraints from NONLOCAL
7313         for parameters.
7314         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
7315         as ANYTHING.
7316         (clobber_what_p_points_to): Remove.
7317         (clobber_what_escaped): New function.
7318         (init_base_vars): Init NONLOCAL and ESCAPED.
7319         (do_sd_constraint): Do not propagate the solution from ESCAPED
7320         but use ESCAPED as a placeholder.
7321         (solve_graph): Likewise.
7322         * tree-flow.h (clobber_what_p_points_to): Remove.
7323         (clobber_what_escaped): Declare.
7324         * tree-ssa-alias.c (set_initial_properties): Call it.
7325         Remove code clobbering escaped pointers.
7326
7327 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
7328
7329         * function.c (allocate_struct_function): Only allocate a unique
7330         funcdef_no if the decl is nonzero.
7331
7332 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
7333
7334         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
7335         * config/mips/mips.c (mips_split_const_insns): New function.
7336         * config/mips/mips.md (move_type): New attribute.
7337         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
7338         (dword_mode): New attribute.
7339         (type): Avoid long line.  Map "move_type"s to "type"s,
7340         choosing "multi" for doubleword moves if appropriate.
7341         Swap MTC/MFC comments to match their declaration order.
7342         (extended_mips16): Default to "yes" if "move_type" is "sll0",
7343         "type" is "branch" or "jal" is "direct".
7344         (length): Handle "extended_mips16" first.  Make the default
7345         "0" for "ghost" instructions.  Set the length from "move_type".
7346         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
7347         of "type", with "sll0" for the register alternative.  Remove the
7348         "extended_mips16" attribute.
7349         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
7350         of "type", with "shift_shift" for the register alternative.
7351         Remove the "length" attribute.
7352         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
7353         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
7354         of "type", with "andi" for the register alternative.
7355         (*zero_extendqihi2): Likewise.
7356         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
7357         of "andi" instead of a "type" of "arith".
7358         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
7359         instead of "type".
7360         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
7361         (mov_<store>r, *mov<mode>_ra): Likewise.
7362         (extendsidi2): Use "move_type" instead of "type", with "move"
7363         for the register alternative.
7364         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
7365         of "type", with "signext" for the register alternative.
7366         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
7367         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
7368         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
7369         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
7370         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
7371         (unnamed branch insn): Likewise.
7372         (*movdi_gp32_fp64): Fold into...
7373         (*movdi_32bit): ...here.
7374         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
7375         (*movdf_hardfloat): ...this new pattern.
7376         (*movdf_softfloat): Remove redundant FPR alternatives.
7377         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
7378         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
7379         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
7380         the "move" attribute.
7381         (*movdi_32bit): Use "move_type" instead of "type" and remove the
7382         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
7383         and "store" for COP loads and stores.
7384         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
7385         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
7386         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
7387         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
7388         (*movtf_mips16, *movv2sf): Likewise.
7389         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
7390         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
7391         (mfhc1<mode>): Use "move_type" instead of "move".
7392         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
7393         (loadgp_blockage): Remove the "length" attribute.
7394         (blockage, set_got_version, update_got_version): Likewise.
7395         (call_internal): Remove the "extended_mips16" attribute.
7396         (call_value_internal, call_value_multiple_internal): Likewise.
7397         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
7398         instead of "move".
7399         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
7400         the "length" attribute.
7401
7402 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7403
7404         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
7405         -Wcast-qual warnings.
7406         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
7407         handle_pragma_pop_macro): Likewise.
7408         * collect2.c (resolve_lib_name): Likewise.
7409         * config/arc/arc.c (arc_init): Likewise.
7410         * config/arm/arm.c (neon_builtin_compare,
7411         locate_neon_builtin_icode): Likewise.
7412         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
7413         * config/bfin/bfin.c (bfin_init_machine_status,
7414         bfin_optimize_loop): Likewise.
7415         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7416         * config/cris/cris.c (cris_init_expanders): Likewise.
7417         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
7418         * config/darwin.c (machopic_indirection_eq,
7419         machopic_indirection_name, machopic_output_indirection): Likewise.
7420         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
7421         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
7422         frv_optimize_membar): Likewise.
7423         * config/i386/cygwin.h (mingw_scan,
7424         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
7425         * config/i386/cygwin1.c (mingw_scan): Likewise.
7426         * config/i386/i386.c (machopic_output_stub): Likewise.
7427         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
7428         i386_pe_unique_section): Likewise.
7429         * config/ia64/ia64.c (ia64_init_machine_status,
7430         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
7431         Likewise.
7432         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
7433         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
7434         * config/m68k/m68k.c (m68k_handle_option,
7435         m68k_sched_md_init_global): Likewise.
7436         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
7437         mcore_unique_section): Likewise.
7438         * config/mips/mips.c (mips_block_move_straight,
7439         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
7440         Likewise.
7441         * config/mmix/mmix.c (mmix_init_machine_status,
7442         mmix_encode_section_info): Likewise.
7443         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
7444         * config/rs6000/rs6000.c (rs6000_init_machine_status,
7445         print_operand_address, output_toc, redefine_groups,
7446         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
7447         * config/s390/s390.c (s390_init_machine_status): Likewise.
7448         * config/score/score.c (score_block_move_straight,
7449         score_block_move_loop_body): Likewise.
7450         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
7451         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
7452         * emit-rtl.c (find_auto_inc): Likewise.
7453         * gcc.c (translate_options, process_command): Likewise.
7454         * reorg.c (dbr_schedule): Likewise.
7455         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
7456         * xcoffout.c (xcoffout_declare_function): Likewise.
7457
7458 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
7459
7460         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
7461         ipa-pta working again.
7462
7463 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
7464
7465         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
7466         genautomata.
7467
7468 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
7469
7470         * config.gcc (powerpc*-*-*): Add new core e500mc.
7471         * config/rs6000/e500mc.md: New file.
7472         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7473         e500mc.
7474         (rs6000_override_options): Add e500mc case to
7475         processor_target_table. Altivec and Spe options not allowed
7476         with e500mc. Add isel instruction to e500mc by
7477         default. Initialize rs6000_cost for e500mc.
7478         (rs6000_issue_rate): Set issue rate for e500mc.
7479         * config/rs6000/rs6000.h (processor_type): Add
7480         PROCESSOR_PPCE500MC.
7481         (ASM_CPU_SPEC): Add e500mc.
7482         Set TARGET_ISEL to rs6000_isel.
7483         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
7484         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
7485         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
7486         Include e500mc.md.
7487         * doc/invoke.texi: Add e500mc to list of cpus.
7488
7489 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7490
7491         PR c/34867
7492         * c-lex.c (lex_charconst): Initialize unsignedp.
7493
7494 2008-06-27  Olivier Hainque  <hainque@adacore.com>
7495
7496         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
7497         documented assumptions.
7498
7499 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
7500
7501         * dwarf2out.c: Remove trailing white spaces.  Break long line
7502         in comments.
7503
7504 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
7505
7506         * libfuncs.h (LTI_synchronize): New libfunc_index.
7507         (synchronize_libfunc): Declare.
7508         * builtins.c (expand_builtin_synchronize): Consider using
7509         synchronize_libfunc before falling back on an asm blockage.
7510         * config/mips/mips.c: Include libfuncs.h
7511         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
7512
7513 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
7514
7515         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
7516         parameter.  Copy stack_reg to r11 where appropriate.
7517         (no_global_regs_above): Add gpr parameter.
7518         (rs6000_stack_info): Only add padding for SPE save area if we
7519         are saving SPE GPRs and CR.
7520         (saveres_routine_syms): New variable.
7521         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
7522         Define.
7523         (rs6000_savres_routine_sym): New function.
7524         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
7525         split out of...
7526         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
7527         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
7528         Tweak FPR out-of-line saving.
7529         (rs6000_make_savres_rtx): New function.
7530         (rs6000_use_multiple_p): New function.
7531         (rs6000_savres_strategy): New function.
7532         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
7533         out-of-line if appropriate.
7534         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
7535         if we are optimizing for size.
7536         (GP_SAVE_INLINE): Define.
7537         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
7538         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
7539         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
7540         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
7541         (*save_fpregs_<mode>): Add use of r11.
7542         (*restore_gpregs_<mode>): New insn.
7543         (*return_and_restore_gpregs_<mode>): New insn.
7544         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
7545         use r11.
7546         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
7547         (*restore_gpregs_spe): New insn.
7548         (*return_and_restore_gpregs_spe): New insn.
7549         * config/rs6000/predicates.md (save_world_operation): Fix check.
7550
7551 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7552
7553         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
7554         this point, so assert that.
7555
7556 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7557
7558         * cfganal.c: Include vec.h and vecprim.h.
7559         (compute_idf): Import from...
7560         * tree-into-ssa (compute_idf): ...here.
7561         * basic-block.h (compute_idf): Export.
7562
7563 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
7564
7565         * c-decl.c (merge_decls): Use !current_function_decl to check for
7566         extern declaration of C99 inline function being at file scope.
7567
7568 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
7569
7570         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
7571
7572 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7573
7574         * alias.c (record_alias_subset, init_alias_analysis): Fix
7575         -Wc++-compat and/or -Wcast-qual warnings.
7576         * attribs.c (lookup_attribute_spec): Likewise.
7577         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
7578         copy_bb, connect_traces,
7579         find_rarely_executed_basic_blocks_and_cr): Likewise.
7580         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
7581         note_btr_set, migrate_btr_defs): Likewise.
7582         * builtins.c (result_vector, expand_builtin_memcpy,
7583         expand_builtin_mempcpy_args, expand_builtin_strncpy,
7584         builtin_memset_read_str, expand_builtin_printf,
7585         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
7586         Likewise.
7587         * caller-save.c (mark_set_regs): Likewise.
7588         * calls.c (expand_call, emit_library_call_value_1): Likewise.
7589         * cgraph.c (cgraph_edge): Likewise.
7590         * combine.c (likely_spilled_retval_1): Likewise.
7591         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
7592         htab_counts_entry_del, get_coverage_counts): Likewise.
7593         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
7594         new_cselib_val): Likewise.
7595         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
7596         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
7597         Likewise.
7598         * df-core.c (df_compact_blocks): Likewise.
7599         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
7600         * df-scan.c (df_grow_reg_info, df_ref_create,
7601         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
7602         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
7603         df_record_entry_block_defs, df_record_exit_block_uses,
7604         df_bb_verify): Likewise.
7605         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
7606         DF_REF_EXTRACT_MODE_CONST): New.
7607         * dominance.c (get_immediate_dominator, get_dominated_by,
7608         nearest_common_dominator, root_of_dom_tree,
7609         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
7610         -Wc++-compat and/or -Wcast-qual warnings.
7611         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
7612         record_store, replace_read, check_mem_read_rtx, scan_insn,
7613         dse_step1, dse_record_singleton_alias_set): Likewise.
7614         * dwarf2asm.c (dw2_force_const_mem): Likewise.
7615
7616 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7617
7618         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
7619         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
7620         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
7621         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
7622         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
7623         add_ranges_num, add_ranges_by_labels, file_info_cmp,
7624         file_name_acquire, output_file_names, add_const_value_attribute,
7625         premark_used_types_helper, file_table_eq, file_table_hash,
7626         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
7627         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
7628         -Wcast-qual warnings.
7629         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
7630         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
7631         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
7632         gen_reg_rtx, start_sequence, init_emit): Likewise.
7633         * et-forest.c (et_new_occ, et_new_tree): Likewise.
7634         * except.c (init_eh_for_function, gen_eh_region,
7635         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
7636         arh_to_landing_pad, arh_to_label, add_action_record,
7637         add_call_site, switch_to_exception_section): Likewise.
7638         * expmed.c (synth_mult): Likewise.
7639         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
7640         store_expr): Likewise.
7641         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
7642         Likewise.
7643         * function.c (assign_stack_temp_for_type,
7644         allocate_struct_function, match_asm_constraints_1): Likewise.
7645         * gcov-io.c (gcov_allocate): Likewise.
7646         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
7647         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
7648         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
7649         record_one_set, insert_expr_in_table, insert_set_in_table,
7650         dump_hash_table, compute_hash_table_work, alloc_hash_table,
7651         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
7652         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
7653         -Wcast-qual warnings.
7654
7655 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7656
7657         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
7658         -Wcast-qual warnings.
7659         * gcc.c (process_command): Likewise.
7660         * genattrtab.c (oballoc): Use XOBNEW.
7661         (oballocvec): Define.
7662         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
7663         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
7664         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
7665         -Wc++-compat and/or -Wcast-qual warnings.
7666         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
7667         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
7668         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
7669         gen_presence_absence_set, gen_automaton, gen_regexp_el,
7670         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
7671         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
7672         add_excls, process_presence_absence_names,
7673         process_presence_absence_patterns, add_presence_absence,
7674         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
7675         get_free_state, add_arc, get_free_automata_list_el,
7676         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
7677         transform_3, cache_presence, create_ainsns, create_automata,
7678         create_state_ainsn_table, dfa_insn_code_enlarge,
7679         output_trans_func, output_min_issue_delay_func,
7680         output_dead_lock_func, output_reset_func,
7681         output_get_cpu_unit_code_func, output_dfa_start_func,
7682         expand_automata): Likewise.
7683         * genextract.c (gen_insn): Likewise.
7684         * gengtype-lex.l: Likewise.
7685         * gengtype.c (read_input_list, adjust_field_type,
7686         process_gc_options): Likewise.
7687         * genoutput.c (note_constraint): Likewise.
7688         * genpreds.c (mangle, add_constraint): Likewise.
7689         * genrecog.c (process_define_predicate, new_decision,
7690         add_to_sequence): Likewise.
7691         * gensupport.c (record_insn_name): Likewise.
7692
7693 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7694
7695         * config/i386/driver-i386.c (detect_caches_amd,
7696         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
7697         and/or -Wcast-qual warnings.
7698         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
7699         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
7700         gt_pch_save): Likewise.
7701         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
7702         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
7703         * global.c (compute_regsets): Likewise.
7704         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
7705         finish_graph_dump_file): Likewise.
7706         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
7707         unlink_bb_notes): Likewise.
7708         * integrate.c (get_hard_reg_initial_val): Likewise.
7709         * ipa-prop.c (ipa_push_func_to_list): Likewise.
7710         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
7711         * local-alloc.c (update_equiv_regs): Likewise.
7712         * loop-invariant.c (check_invariant_table_size,
7713         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
7714         Likewise.
7715         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
7716         altered_reg_used, mark_altered): Likewise.
7717         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
7718         insert_var_expansion_initialization,
7719         combine_var_copies_in_loop_exit, apply_opt_in_copies,
7720         release_var_copies): Likewise.
7721         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
7722         analyze_matrix_decl, add_allocation_site, analyze_transpose,
7723         analyze_accesses_for_phi_node, check_var_notmodified_p,
7724         check_allocation_function, find_sites_in_func,
7725         record_all_accesses_in_func, transform_access_sites,
7726         transform_allocation_sites): Likewise.
7727         * omp-low.c (new_omp_region, create_omp_child_function_name,
7728         check_omp_nesting_restrictions, check_combined_parallel,
7729         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
7730         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
7731         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
7732         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
7733         Likewise.
7734         * opts-common.c (prune_options): Likewise.
7735         * opts.c (add_input_filename, print_filtered_help,
7736         get_option_state): Likewise.
7737         * params.c (add_params): Likewise.
7738         * passes.c (set_pass_for_id, next_pass_1,
7739         do_per_function_toporder, pass_fini_dump_file): Likewise.
7740         * postreload.c (reload_cse_simplify_operands): Likewise.
7741         * predict.c (tree_predicted_by_p, tree_predict_edge,
7742         clear_bb_predictions, combine_predictions_for_bb): Likewise.
7743
7744 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7745
7746         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
7747         warnings.
7748         * recog.c (check_asm_operands, validate_change_1): Likewise.
7749         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
7750         subst_asm_stack_regs): Likewise.
7751         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
7752         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
7753         * regmove.c (reg_is_remote_constant_p): Likewise.
7754         * regrename.c (regrename_optimize, scan_rtx_reg,
7755         kill_clobbered_value, kill_set_value, kill_autoinc_value):
7756         Likewise.
7757         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
7758         regstat_compute_calls_crossed): Likewise.
7759         * reload1.c (init_reload, new_insn_chain,
7760         has_nonexceptional_receiver, reload, copy_reloads,
7761         calculate_needs_all_insns, init_elim_table): Likewise.
7762         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
7763         * rtl.c (shallow_copy_rtx_stat): Likewise.
7764         * rtlanal.c (parms_set): Likewise.
7765         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
7766         sbitmap_resize, sbitmap_vector_alloc): Likewise.
7767         * sched-ebb.c (earliest_block_with_similiar_load,
7768         add_deps_for_risky_insns): Likewise.
7769         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
7770         schedule_region): Likewise.
7771         * see.c (eq_descriptor_pre_extension,
7772         hash_descriptor_pre_extension, hash_del_pre_extension,
7773         eq_descriptor_properties, hash_descriptor_properties,
7774         hash_del_properties, see_seek_pre_extension_expr,
7775         see_initialize_data_structures, see_print_register_properties,
7776         see_print_pre_extension_expr, see_delete_merged_def_extension,
7777         see_delete_unmerged_def_extension, see_emit_use_extension,
7778         see_pre_delete_extension, see_map_extension, see_commit_changes,
7779         see_analyze_merged_def_local_prop,
7780         see_analyze_merged_def_local_prop,
7781         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
7782         see_set_prop_merged_def, see_set_prop_unmerged_def,
7783         see_set_prop_unmerged_use, see_print_one_extension,
7784         see_merge_one_use_extension, see_merge_one_def_extension,
7785         see_store_reference_and_extension, see_update_uses_relevancy,
7786         see_update_defs_relevancy): Likewise.
7787         * statistics.c (hash_statistics_hash, hash_statistics_eq,
7788         hash_statistics_free, curr_statistics_hash): Likewise.
7789         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
7790         expand_asm_operands, expand_return, case_bit_test_cmp,
7791         expand_case): Likewise.
7792         * stor-layout.c (start_record_layout): Likewise.
7793         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
7794         gt_pch_save_stringpool): Likewise.
7795         * tree-data-ref.c (hash_stmt_vertex_info,
7796         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
7797         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
7798
7799 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
7800
7801         PR target/36627
7802         * config/i386/i386.md : Change constraints of HImode and QImode
7803         immediate operands from "i" to "n".  Change SImode "ni" constraint to
7804         "i" and SImode "rmi" constraint to "g".  Remove all constraints
7805         from const0_operand and const1_operand predicated operands.
7806         (i): Change QImode and HImode attribute from "i" to "n".
7807         (*subqi_2): Change HImode operands to QImode.
7808         (*subqi_3): Ditto.
7809
7810 2008-06-25  Olivier Hainque  <hainque@adacore.com>
7811
7812         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
7813         sed substitutions.
7814
7815 2008-06-25  Richard Guenther  <rguenther@suse.de>
7816
7817         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
7818         not overflow the result type.
7819
7820 2008-06-25  Richard Guenther  <rguenther@suse.de>
7821
7822         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
7823         (vn_lookup): Likewise.
7824
7825 2008-06-25  Richard Guenther  <rguenther@suse.de>
7826
7827         PR tree-optimization/35518
7828         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
7829         * tree-sra.c (instantiate_element): Use fold_build3 to build
7830         BIT_FIELD_REFs.
7831         (try_instantiate_multiple_fields): Likewise.
7832
7833 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7834
7835         * config/rs6000/rs6000.md: Change all string instruction's clobber to
7836         be early clobbers.
7837
7838 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7839
7840         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
7841         use_backchain_to_restore_sp to true
7842         if the offset of the link register save area would go over the 32k - 1
7843         offset limit of the load
7844         instructions.
7845
7846 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
7847
7848         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
7849         anchor for the type-punning blurb.  Cross-reference "Structures
7850         unions enumerations and bit-fields implementation".  Provide a
7851         cast-through-pointer example.  Make final sentence self-contained.
7852         * doc/implement-c.texi (Structures unions enumerations and
7853         bit-fields implementation): Cross-reference the type-punning blurb
7854         in the -fstrict-aliasing documentation.
7855
7856 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7857
7858         PR middle-end/36594
7859         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
7860         the memory instead of the memory itself for the save area.
7861
7862 2008-06-24  Olivier Hainque  <hainque@adacore.com>
7863             Nicolas Roche  <roche@adacore.com>
7864
7865         * gengtype.c (srcdir_len): size_t instead of int.
7866         (get_file_realbasename): New function.  For F a filename, the real
7867         basename of F, with all the path components stripped.
7868         (get_file_srcdir_relative_path): New function.  For F a filename, the
7869         relative path to F from $(srcdir).
7870         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
7871         get_file_realbasename.  Adjust the head comment.
7872         (get_prefix_langdir_index): New function. For F a filename, return the
7873         lang_dir_names[] relative index of the language directory that is
7874         a prefix in F.
7875         (get_file_langdir): For F a filename, return the name of the language
7876         directory where F is located.
7877         (get_file_gtfilename): New function. The gt- output file name for an
7878         input filename F.
7879         (get_output_file_with_visibility): Replace in-line computations with
7880         uses of get_file_gtfilename and get_prefix_langdir_index.
7881         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
7882
7883 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
7884
7885         PR tree-optimization/36504
7886         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
7887         references without base address.
7888
7889 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7890
7891         PR middle-end/36584
7892         * calls.c (expand_call): Increase alignment for recursive functions.
7893
7894 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
7895
7896         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
7897         (TARGET_FUNCTION_VALUE): New define.
7898         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
7899         * config/avr/avr.h (FUNCTION_VALUE): Remove.
7900
7901 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7902
7903         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
7904         (fmod<mode>3): Ditto.
7905         (remainderxf3): Ditto.
7906         (remainder<mode>3): Ditto.
7907
7908 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
7909
7910         PR target/36533
7911         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
7912         REG is a hard register.
7913
7914         PR tree-optimization/36508
7915         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
7916         499, don't check it at all in release compilers.
7917
7918 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7919
7920         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
7921         together with SSE_TARGET_MATH to disable insn pattern.
7922         (*fop_<MODEF:mode>_2_i387): Ditto.
7923         (*fop_<MODEF:mode>_3_i387): Ditto.
7924
7925 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
7926
7927         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
7928
7929 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7930
7931         PR middle-end/34906
7932         * gimplify.c (gimplify_asm_expr): Check the return code of
7933         parse_output_constraint call, set function return and is_inout
7934         value if it failed.
7935
7936 2008-06-22  Ian Lance Taylor  <iant@google.com>
7937
7938         * c-lex.c (narrowest_unsigned_type): Change itk to int.
7939         (narrowest_signed_type): Likewise.
7940         * c-typeck.c (c_common_type): Change local variable mclass to enum
7941         mode_class, twice.
7942         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
7943         tcc_comparison, not the tree code itself.
7944         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
7945         (c_expand_expr): Cast modifier to enum expand_modifier.
7946         * c-common.h (C_RID_CODE): Add casts.
7947         (C_SET_RID_CODE): Define.
7948         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
7949         (c_lex_one_token): Add cast to avoid warning.
7950         (c_parser_objc_type_name): Rename local typename to type_name.
7951         (check_no_duplicate_clause): Change code parameter to enum
7952         omp_clause_code.
7953         (c_parser_omp_var_list_parens): Change kind parameter to enum
7954         omp_clause_code.
7955         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
7956         c_parser_omp_list_var_parens.
7957         (c_parser_omp_threadprivate): Likewise.
7958         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
7959         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
7960         * c-format.c (NO_FMT): Define.
7961         (printf_length_specs): Use NO_FMT.
7962         (asm_fprintf_length_specs): Likewise.
7963         (gcc_diag_length_specs): Likewise.
7964         (scanf_length_specs): Likewise.
7965         (strfmon_length_specs): Likewise.
7966         (gcc_gfc_length_specs): Likewise.
7967         (printf_flag_specs): Change 0 to STD_C89.
7968         (asm_fprintf_flag_specs): Likewise.
7969         (gcc_diag_flag_specs): Likewise.
7970         (gcc_cxxdiag_flag_specs): Likewise.
7971         (scanf_flag_specs): Likewise.
7972         (strftime_flag_specs): Likewise.
7973         (strfmon_flag_specs): Likewise.
7974         (print_char_table): Likewise.
7975         (asm_fprintf_char_table): Likewise.
7976         (gcc_diag_char_table): Likewise.
7977         (gcc_tdiag_char_table): Likewise.
7978         (gcc_cdiag_char_table): Likewise.
7979         (gcc_cxxdiag_char_table): Likewise.
7980         (gcc_gfc_char_table): Likewise.
7981         (scan_char_table): Likewise.
7982         (time_char_table): Likewis.
7983         (monetary_char_table): Likewise.
7984         * c-format.h (BADLEN): Likewise.
7985
7986 2008-06-21  Ian Lance Taylor  <iant@google.com>
7987
7988         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
7989         Define END_OF_BASE_TREE_CODES around inclusion.
7990         * tree.c (tree_code_type): New global array.
7991         (tree_code_length, tree_code_name): Likewise.
7992         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
7993         $(lang_tree_files).
7994         (all-tree.def, s-alltree): New targets.
7995         (gencheck.h, s-gencheck): Remove.
7996         (tree.o): Depend upon all-tree.def.
7997         (build/gencheck.o): Remove gencheck.h dependency.
7998         (mostlyclean): Don't remove gencheck.h.
7999         * c-common.h (enum c_tree_code): Remove.
8000         * c-lang.c (tree_code_type): Remove.
8001         (tree_code_length, tree_code_name): Remove.
8002         * gencheck.c (tree_codes): Include all-tree.def, rather than
8003         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
8004         after it is used.
8005         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
8006         than tree.def.
8007         * cp/cp-tree.h (enum cplus_tree_code): Remove.
8008         (operator_name_info): Size to MAX_TREE_CODES.
8009         (assignment_operator_name_info): Likewise.
8010         * cp/cp-lang.c (tree_code_type): Remove.
8011         (tree_code_length, tree_code_name): Remove.
8012         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
8013         (assignment_operator_name_info): Likewise.
8014         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
8015         MAX_TREE_CODES.
8016         * cp/mangle.c (write_expression): Likewise.
8017         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
8018         * fortran/f95-lang.c (tree_code_type): Remove.
8019         (tree_code_length, tree_code_name): Remove.
8020         * java/java-tree.h (enum java_tree_code): Remove.
8021         * java/lang.c (tree_code_type): Remove.
8022         (tree_code_length, tree_code_name): Remove.
8023         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
8024         * objc/objc-act.h (enum objc_tree_code): Remove.
8025         * objc/objc-lang.c (tree_code_type): Remove.
8026         (tree_code_length, tree_code_name): Remove.
8027         * objcp/objcp-lang.c (tree_code_type): Remove.
8028         (tree_code_length, tree_code_name): Remove.
8029         * ada/ada-tree.h (enum gnat_tree_code): Remove.
8030         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
8031         * ada/misc.c (tree_code_type): Remove.
8032         (tree_code_length, tree_code_name): Remove.
8033
8034 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
8035
8036         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
8037         the grand_bitmap_obstack.
8038
8039 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8040
8041         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
8042         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
8043         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
8044         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
8045         move_stmt_r, new_label_mapper): Likewise.
8046         * tree-complex.c (cvc_lookup): Likewise.
8047         * tree-dfa.c (create_function_ann): Likewise.
8048         * tree-dump.c (dump_register): Likewise.
8049         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
8050         find_phi_replacement_condition): Likewise.
8051         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
8052         tree_function_versioning): Likewise.
8053         * tree-into-ssa.c (cmp_dfsnum): Likewise.
8054         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
8055         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
8056         get_nonlocal_debug_decl, convert_nonlocal_reference,
8057         convert_nonlocal_omp_clauses, get_local_debug_decl,
8058         convert_local_reference, convert_local_omp_clauses,
8059         convert_nl_goto_reference, convert_nl_goto_receiver,
8060         convert_tramp_reference, convert_call_expr): Likewise.
8061         * tree-outof-ssa.c (contains_tree_r): Likewise.
8062         * tree-parloops.c (reduction_phi, initialize_reductions,
8063         eliminate_local_variables_1, add_field_for_reduction,
8064         add_field_for_name, create_phi_for_local_result,
8065         create_call_for_reduction_1, create_loads_for_reductions,
8066         create_stores_for_reduction, create_loads_and_stores_for_name):
8067         Likewise.
8068         * tree-phinodes.c (allocate_phi_node): Likewise.
8069         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
8070         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
8071         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
8072         * tree-ssa-coalesce.c (compare_pairs): Likewise.
8073         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
8074         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
8075         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
8076         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
8077         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
8078         vn_nary_op_insert): Likewise.
8079         * tree-ssa.c (redirect_edge_var_map_add,
8080         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
8081         * tree-vectorizer.c (vectorize_loops): Likewise.
8082         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
8083         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
8084         tree_cons_stat, build1_stat, build_variant_type_copy,
8085         decl_init_priority_lookup, decl_fini_priority_lookup,
8086         decl_priority_info, decl_restrict_base_lookup,
8087         decl_restrict_base_insert, decl_debug_expr_lookup,
8088         decl_debug_expr_insert, decl_value_expr_lookup,
8089         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
8090         type_hash_add, get_file_function_name, tree_check_failed,
8091         tree_not_check_failed, tree_range_check_failed,
8092         omp_clause_range_check_failed, build_omp_clause,
8093         build_vl_exp_stat): Likewise.
8094         * value-prof.c (gimple_histogram_value,
8095         gimple_duplicate_stmt_histograms): Likewise.
8096         * var-tracking.c (attrs_list_insert, attrs_list_copy,
8097         unshare_variable, variable_union_info_cmp_pos, variable_union,
8098         dataflow_set_different_1, dataflow_set_different_2,
8099         vt_find_locations, variable_was_changed, set_variable_part,
8100         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
8101         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
8102         section_entry_hash, object_block_entry_eq,
8103         object_block_entry_hash, create_block_symbol,
8104         initialize_cold_section_name, default_function_rodata_section,
8105         strip_reg_name, set_user_assembler_name, const_desc_eq,
8106         build_constant_desc, output_constant_def, lookup_constant_def,
8107         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
8108         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
8109         default_internal_label): Likewise.
8110         * varray.c (varray_init, varray_grow): Likewise.
8111         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
8112
8113 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
8114
8115         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
8116         operators for "test" insn.  Macroize insn using SWI mode macro.
8117         (*jcc_fused_2): Ditto.
8118         (*jcc_fused_3): Macroize insn using SWI mode macro.
8119         (*jcc_fused_4): Ditto.
8120
8121 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
8122
8123         * tree-ssa-pre.c: Fix typo in comment.
8124         (init_antic, fini_antic): Add explicit funtions for
8125         initializing and deinitializing ANTIC and AVAIL sets.
8126         (create_expression_by_pieces): Fix typo in comment.
8127         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
8128         (execute_pre): Eventually dump details about ANTIC_IN.
8129
8130 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8131
8132         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
8133         * gcc.c (translate_options, init_spec, store_arg, read_specs,
8134         add_to_obstack, file_at_path, find_a_file, execute,
8135         add_preprocessor_option, add_assembler_option, add_linker_option,
8136         process_command, insert_wrapper, do_option_spec, do_self_spec,
8137         spec_path, do_spec_1, is_directory, main, used_arg,
8138         getenv_spec_function): Likewise.
8139         * tlink.c (symbol_hash_lookup, file_hash_lookup,
8140         demangled_hash_lookup, symbol_push, file_push, frob_extension):
8141         Likewise.
8142
8143 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
8144
8145         * doc/rtl.texi: Updated subreg section.
8146
8147 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
8148
8149         PR c++/36523
8150         * cgraphunit.c (cgraph_process_new_functions): Don't clear
8151         node->needed and node->reachable.
8152         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
8153         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
8154         (expand_task_call): Don't call expand_task_copyfn.
8155         (expand_task_copyfn): Renamed to...
8156         (finalize_task_copyfn): ... this.
8157
8158 2008-06-19  Jan Hubicka  <jh@suse.cz>
8159
8160         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
8161         clobbering framepointer.
8162
8163 2008-06-19  Jan Hubicka  <jh@suse.cz>
8164
8165         * tree-optimize.c (execute_early_local_optimizations): Set
8166         cgraph_state only at first invocation.
8167
8168 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8169
8170         * system.h (-Wc++-compat): Activate as a warning, no an error.
8171
8172 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
8173
8174         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
8175         instead of "#" in insn asm template.
8176         (*jcc_fused_2): Ditto.
8177
8178 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
8179
8180         * config/i386/i386.h (ix86_tune_indices)
8181         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
8182         (TARGET_FUSE_CMP_AND_BRANCH): New define.
8183         * config/i386/i386.md (*jcc_fused_1): New insn pattern
8184         (*jcc_fused_2): Ditto.
8185         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
8186         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
8187         (print operand): Handle 'E' and 'e' code.
8188
8189 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
8190
8191         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
8192         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8193         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8194
8195 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
8196
8197         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
8198         node->decl.
8199         (cgraph_expand_function): Use local copy of decl.
8200         (cgraph_expand_all_functions): Remove redundant initialization of
8201         order_pos.
8202         (cgraph_optimize): Reword internal_error message.
8203
8204 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
8205
8206         * arm-protos.h (arm_return_in_memory): Remove public
8207         arm_return_in_memory() prototype.
8208         * arm.c (arm_return_in_memory): Add static prototype, add target
8209         hook macro, change definition and comments.
8210         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
8211
8212 2008-06-19  Ben Elliston  <bje@au.ibm.com>
8213
8214         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
8215         real.c: Remove references to IEEE 754R.
8216         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
8217         * doc/libgcc.texi (Decimal float library routines): Likewise.
8218
8219 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8220
8221         * targhooks.h (struct gcc_target): New member unwind_word_mode.
8222         (default_unwind_word_mode): Add prototype.
8223         * targhooks.c (default_unwind_word_mode): New function.
8224         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
8225         instead of word_mode.
8226         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
8227         (TARGET_INITIALIZER): Use it.
8228
8229         * c-common.c (handle_mode_attribute): Support "unwind_word"
8230         mode attribute.
8231         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
8232
8233         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
8234         word_mode to access SjLj_Function_Context member "data".
8235         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
8236         conversion from targetm.eh_return_filter_mode () to
8237         targetm.unwind_word_mode () if they differ.
8238
8239         * builtin-types.def (BT_UNWINDWORD): New primitive type.
8240         (BT_FN_UNWINDWORD_PTR): New function type.
8241         (BT_FN_WORD_PTR): Remove.
8242         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
8243         * except.c (expand_builtin_extend_pointer): Convert pointer to
8244         targetm.unwind_word_mode () instead of word_mode.
8245
8246         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
8247         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
8248         (spu_unwind_word_mode): New function.
8249         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
8250         (TARGET_UNWIND_WORD_MODE): Define.
8251         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
8252
8253 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8254
8255         * config/spu/spu.c (reg_align): Remove.
8256         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
8257         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
8258         (spu_split_store): Likewise.
8259
8260 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
8261
8262         * gcc/tree-vn.c: Fix typo in comment.
8263
8264 2008-06-18  Jan Hubicka  <jh@suse.cz>
8265
8266         * cgraphunit.c (cgraph_optimize): Output debug info when doing
8267         toplevel reorder too.
8268
8269 2008-06-18  Jan Hubicka  <jh@suse.cz>
8270
8271         * c-opts.c (c_common_post_options): PCH is not compatible with
8272         no-unit-at-a-time.
8273         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
8274         -fno-toplevel-reorder by default now.
8275
8276 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8277
8278         PR documentation/30739
8279         * doc/install.texi (Prerequisites): Document dependency on awk.
8280
8281 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
8282             Ian Lance Taylor  <iant@google.com>
8283
8284         PR rtl-optimization/35604
8285         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
8286         only want to change jump destinations, not eventual label comparisons.
8287
8288 2008-06-16  Jan Hubicka  <jh@suse.cz>
8289
8290         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
8291         syntax errors.
8292         (cgraph_analyze_function): Likewise.
8293
8294 2008-06-16  Jan Hubicka  <jh@suse.cz>
8295
8296         * cgraph.h (cgraph_mark_if_needed): New function.
8297         * cgraphunit.c (cgraph_mark_if_needed): New function.
8298         * c-decl.c (duplicate_decl): Use it.
8299
8300 2008-06-16  Jan Hubicka  <jh@suse.cz>
8301
8302         * cgraph.c (cgraph_add_new_function): When in expansion state, do
8303         lowering.
8304
8305 2008-06-16  Jan Hubicka  <jh@suse.cz>
8306
8307         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
8308
8309 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
8310             Kazu Hirata  <kazu@codesourcery.com>
8311             Maxim Kuvyrkov  <maxim@codesourcery.com
8312
8313         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
8314         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
8315         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
8316         EXTRA_SPEC_FUNCTIONS.
8317         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
8318         (DRIVER_SELF_SPECS): Adjust.
8319         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
8320         * config/mips/st.h, config/mips/t-st: New.
8321         * config/mips/driver-native.c, config/mips/x-native: New.
8322         * doc/invoke.texi (MIPS): Document 'native' value for -march and
8323         -mtune options.
8324
8325 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
8326
8327         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
8328         from it.
8329         (ISA_HAS_FP_CONDMOVE): New macro.
8330         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
8331         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
8332         (ISA_HAS_NMADD3_NMSUB3): New macro.
8333         * config/mips/mips.c (mips_rtx_costs): Update.
8334         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
8335         compiling for ST Loongson 2E/2F.
8336         (madd<mode>): Rename to madd4<mode>.  Update.
8337         (madd3<mode>): New pattern.
8338         (msub<mode>): Rename to msub4<mode>.  Update.
8339         (msub3<mode>): New pattern.
8340         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
8341         (nmadd3<mode>): New pattern.
8342         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
8343         (nmadd3<mode>_fastmath): New pattern.
8344         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
8345         (nmsub3<mode>): New pattern.
8346         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
8347         (nmsub3<mode>_fastmath): New pattern.
8348         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
8349
8350 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
8351
8352         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
8353         (DF_REF_INSN_INFO): New.
8354         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
8355         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
8356         with a NULL DF_REF_INSN_INFO.
8357         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
8358         DF_INSN_SET.
8359         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
8360         DF_INSN_INFO_EQ_USES): New.
8361         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
8362         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
8363         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
8364         * df-core.c: Update comment for above changes.
8365         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
8366         DF_INSN_UID_* macros.
8367         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
8368         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
8369         insn rtx.  Update all callers.
8370         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
8371         df_ref_create_structure, df_insn_refs_collect): Likewise.
8372         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
8373         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
8374         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
8375         macros to access the insn refs.
8376         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
8377         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
8378         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
8379         for accessing the refs.
8380         (try_fwprop_subst): Likewise.
8381         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
8382         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
8383         for accessing the refs.
8384         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
8385         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
8386         to look at the insn refs.
8387         (record_uses): Likewise.
8388         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
8389         function anymore.
8390         (mark_artificial_uses): Don't mark_insn for artificial refs.
8391         (mark_reg_rependencies): Likewise.
8392
8393         * doc/rtl.texi: Remove documentation of ADDRESSOF.
8394
8395 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8396
8397         * configure: Regenerate.
8398
8399 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8400
8401         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
8402         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8403         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8404
8405 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8406
8407         * config/avr/avr.c (avr_mcu_t): Add attiny167.
8408         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8409         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8410
8411 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8412
8413         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
8414         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8415         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8416
8417 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8418
8419         * tree-ssa-sccvn.c: Fix format of comments.
8420
8421 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8422
8423         * cgraph.c: Remove unneeded forward declarations of eq_node()
8424         and hash_node().
8425
8426 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
8427
8428         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
8429         REG_RETVAL notes.
8430         (see_update_relevancy): Likewise.
8431         * fwprop.c (try_fwprop_subst): Likewise.
8432         * rtlanal.c (noop_move_p): Likewise.
8433         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
8434         notes to non-existing libcall blocks.
8435         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
8436         Remove orig_set.
8437         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
8438         (dead_libcall_p): Remove.
8439         (delete_trivially_dead_insns): Don't use it.
8440         * web.c (union_defs): Remove comment about keeping nops.
8441         * gcse.c (hash_scan_insn): Don't take libcall pointers.
8442         (compute_hash_table_work): Don't track libcall notes.
8443         (do_local_cprop): Don't take libcall pointers.  Don't update
8444         libcall notes.
8445         (adjust_libcall_notes): Deleted.
8446         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
8447         ever have existed in the first place).
8448         (replace_store_insn): Don't try to remove libcall notes.
8449         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
8450         (resolve_reg_notes): Don't call them.
8451         (resolve_simple_move): Likewise.
8452         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
8453         Don't remove REG_RETVAL notes.
8454         * emit-rtl.c (try_split): Don't update libcall notes.
8455         (emit_copy_of_insn_after): Dito.
8456         * cselib.c (cselib_current_insn_in_libcall): Remove.
8457         (cselib_process_insn): Don't set/clear it.
8458         (new_elt_loc_list): Don't record it.
8459         (cselib_init): Don't initialize it.
8460         * cselib.c (struct elt_loc_list): Remove in_libcall field.
8461         * loop-invariant.c (find_invariant_insn): Don't look for libcall
8462         notes.
8463         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
8464         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
8465         (init_deps): Don't initialize it.
8466         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
8467         * combine.c (delete_noop_moves): Don't update libcall notes.
8468         (can_combine_p): Remove now pointless #if 0 block.
8469         (try_combine): Remove another obsolete #if 0 block.
8470         (distribute_notes): Don't distribute libcall notes.
8471         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
8472         * dce.c (libcall_dead_p): Remove.
8473         (delete_unmarked_insns): Don't handle libcall blocks.
8474         (preserve_libcall_for_dce): Remove.
8475         (prescan_insns_for_dce): Don't special-case libcall block insns.
8476         * reload1 (reload): Don't handle libcall notes.
8477         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
8478         documentation.
8479
8480 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8481
8482         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
8483         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8484         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8485
8486 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8487
8488         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
8489         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8490         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8491
8492 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8493
8494         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
8495
8496 2008-06-16  Ira Rosen  <irar@il.ibm.com>
8497
8498         PR tree-optimization/36493
8499         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
8500         the arguments list. Use VECTYPE to create vector pointer.
8501         (vectorizable_store): Fail if accesses through a pointer to vectype
8502         do not alias the original memory reference operands.
8503         Call vect_create_data_ref_ptr without the removed argument.
8504         (vectorizable_load): Likewise.
8505         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
8506         removed argument.
8507
8508 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
8509
8510         PR target/36336
8511         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
8512         reg_equiv_constant.
8513
8514 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
8515
8516         * config/mips/loongson2ef.md: New file.
8517         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
8518         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
8519         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
8520         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
8521         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
8522         and loongson_2f.
8523         (loongson2ef.md): New include.
8524         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
8525         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
8526         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
8527         (loongson_gt_<mode>, loongson_extract_halfword)
8528         (loongson_insert_halfword_0, loongson_insert_halfword_2)
8529         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
8530         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
8531         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
8532         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
8533         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
8534         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
8535         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
8536         (vec_interleave_low<mode>): Define type attribute.
8537         * config/mips/mips.c (mips_ls2): New static variable.
8538         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
8539         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
8540         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
8541         Implement target scheduling hooks.
8542         (mips_multipass_dfa_lookahead): Update to handle tuning for
8543         Loongson 2E/2F.
8544         (mips_sched_init): Initialize data for Loongson scheduling.
8545         (mips_ls2_variable_issue): New static function.
8546         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
8547         Add sanity check.
8548         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
8549         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
8550         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
8551         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
8552         Handle ST Loongson 2E/2F cores.
8553         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
8554
8555 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8556
8557         * omp-low.c (extract_omp_for_data): Fix comment typo.
8558         * c.opt: Fix typo.
8559
8560 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8561
8562         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
8563         FIXME note about gcc/config.guess.
8564         * doc/options.texi (Option file format): Remove non-ASCII bytes.
8565         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
8566         * doc/cppopts.texi: Likewise.
8567         * doc/extend.texi: Likewise.
8568         * doc/gcc.texi: Likewise.
8569         * doc/gccint.texi: Likewise.
8570         * doc/gcov.texi: Likewise.
8571         * doc/gty.texi: Likewise.
8572         * doc/hostconfig.texi: Likewise.
8573         * doc/install.texi: Likewise.
8574         * doc/invoke.texi: Likewise.
8575         * doc/loop.texi: Likewise.
8576         * doc/makefile.texi: Likewise.
8577         * doc/md.texi: Likewise.
8578         * doc/passes.texi: Likewise.
8579         * doc/tm.texi: Likewise.
8580         * doc/tree-ssa.texi: Likewise.
8581         * doc/trouble.texi: Likewise.
8582
8583 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
8584             Nathan Sidwell  <nathan@codesourcery.com>
8585             Maxim Kuvyrkov  <maxim@codesourcery.com>
8586             Richard Sandiford  <rdsandiford@googlemail.com>
8587
8588         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
8589         * config/mips/mips-protos.h (mips_expand_vector_init): New.
8590         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
8591         builtins.
8592         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
8593         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
8594         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
8595         V8QImode cases.
8596         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
8597         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
8598         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
8599         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
8600         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
8601         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
8602         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
8603         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
8604         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
8605         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
8606         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
8607         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
8608         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
8609         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
8610         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
8611         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
8612         (mips_builtins): Add Loongson builtins.
8613         (mips_loongson_2ef_bdesc): New.
8614         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
8615         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
8616         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
8617         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
8618         New.
8619         (mips_expand_vector_init): New.
8620         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
8621         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
8622         if appropriate.
8623         * config/mips/mips.md: Add unspec numbers for Loongson
8624         builtins.  Include loongson.md.
8625         (MOVE64): Include Loongson vector modes.
8626         (SPLITF): Include Loongson vector modes.
8627         (HALFMODE): Handle Loongson vector modes.
8628         * config/mips/loongson.md: New.
8629         * config/mips/loongson.h: New.
8630         * config.gcc: Add loongson.h header for mips*-*-* targets.
8631         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
8632
8633 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
8634
8635         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
8636         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
8637         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
8638         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
8639         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
8640         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
8641         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
8642         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
8643         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
8644         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
8645         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
8646         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
8647         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
8648         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
8649         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
8650         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
8651         Remove use_fixproto=yes.
8652         (ia64*-*-hpux*): Remove comment about using fixproto.
8653         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
8654
8655 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8656
8657         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
8658         library rebuilds.
8659         * configure: Regenerate.
8660
8661 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
8662
8663         PR middle-end/36520
8664         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
8665         before evaluating it.
8666
8667 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
8668
8669         PR c/36507
8670         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
8671         nested inline functions.
8672         (start_decl, start_function): Don't invert DECL_EXTERNAL
8673         for nested inline functions.
8674
8675 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8676
8677         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
8678         splits that must be made for correctness.
8679
8680 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8681
8682         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
8683         (AVAIL_NON_MIPS16): Likewise.
8684         (mips_builtin_description): Replace target_flags with a predicate.
8685         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
8686         (dspr2_32): New availability predicates.
8687         (MIPS_BUILTIN): New macro.
8688         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
8689         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
8690         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
8691         Replace the TARGET_FLAGS parameters with AVAIL parameters.
8692         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
8693         (mips_dsp_32only_bdesc): Merge into...
8694         (mips_builtins): ...this new array.
8695         (mips_bdesc_map, mips_bdesc_arrays): Delete.
8696         (mips_init_builtins): Update after above changes.
8697         (mips_expand_builtin_1): Merge into...
8698         (mips_expand_builtin): ...here and update after above changes.
8699
8700 2008-06-12  Paul Brook  <paul@codesourcery.com>
8701
8702         * longlong.h (__arm__): Define count_leading_zeros.
8703         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
8704         (clzsi2, clzdi2): New functions.
8705         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
8706         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
8707         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
8708         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
8709         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
8710         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
8711         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
8712         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
8713         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
8714         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
8715
8716 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
8717
8718         * config/m68k/m68k.c (m68k_tune_flags): New.
8719         (override_options): Compute m68k_tune_flags.
8720         (MULL_COST, MULW_COST): Update for various variants of CFV2.
8721         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
8722
8723 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8724
8725         PR middle-end/36506
8726         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
8727
8728 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8729
8730         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
8731         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
8732
8733 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8734
8735         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
8736         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
8737
8738 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8739
8740         PR middle-end/36506
8741         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
8742         reductions.
8743
8744 2008-06-12  Richard Guenther  <rguenther@suse.de>
8745
8746         PR tree-optimization/36345
8747         * tree-flow.h (struct ptr_info_def): Align escape_mask,
8748         add memory_tag_needed flag.
8749         (may_alias_p): Declare.
8750         * tree-ssa-alias.c (may_alias_p): Export.
8751         (set_initial_properties): Use memory_tag_needed flag.
8752         (update_reference_counts): Likewise.
8753         (reset_alias_info): Reset memory_tag_needed flag.
8754         (create_name_tags): Check memory_tag_needed flag.
8755         (dump_points_to_info_for): Dump it.
8756         * tree-ssa-structalias.c (struct variable_info): Remove
8757         directly_dereferenced flag.
8758         (new_var_info): Do not initialize it.
8759         (process_constraint_1): Do not set it.
8760         (update_alias_info): Set is_dereferenced flag.
8761         (set_uids_in_ptset): Use may_alias_p.
8762         (set_used_smts): Check memory_tag_needed flag.
8763         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
8764         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
8765         memory_tag_needed flag.
8766         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
8767         from broken design.
8768
8769 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
8770
8771         * config/i386/i386.c (ix86_compute_frame_layout): Disable
8772         red zone for w64 abi.
8773         (ix86_expand_prologue): Likewise.
8774         (ix86_force_to_memory): Likewise.
8775         (ix86_free_from_memory): Likewise.
8776
8777 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
8778
8779         PR target/36425
8780         * config/rs6000/rs6000.c (rs6000_override_options): Set
8781         rs6000_isel conditionally to the absence of comand line override.
8782         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8783         Remove duplicate rs6000_isel setting.
8784         * config/rs6000/eabispe.h: Ditto.
8785
8786 2008-06-11  Richard Guenther  <rguenther@suse.de>
8787
8788         * alias.c (get_alias_set): Use the element alias-set for arrays.
8789         (record_component_aliases): For arrays and vectors do nothing.
8790         * c-common.c (strict_aliasing_warning): Handle the cases
8791         of alias set zero explicitly.
8792         * Makefile.in (dfp.o-warn): Add -Wno-error.
8793
8794 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8795
8796         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
8797         tune_32 tune_64.
8798         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
8799         tune_32 tune_64 to supported_defaults.  Allow values not
8800         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
8801         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
8802         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
8803         with_cpu_64 to generic for 64-bit-supporting configurations, not
8804         with_cpu.  Remove FIXMEs.
8805         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
8806         --with-arch-64, --with-tune-32, --with-tune-64): Document.
8807         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
8808         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
8809         arch_32 and arch_64.
8810
8811 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
8812             Olivier Hainque  <hainque@adacore.com>
8813
8814         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
8815         Use DECL_SIZE_UNIT to retrieve the size of the field.
8816
8817 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8818
8819         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
8820         with function calls after declarations.  Lay out
8821         neon_float_type_node before further use.
8822
8823 2008-06-11  Richard Guenther  <rguenther@suse.de>
8824
8825         * tree-flow.h (may_point_to_global_var): Declare.
8826         * tree-ssa-alias.c (may_point_to_global_var): New function.
8827         * tree-ssa-sink.c (is_hidden_global_store): Use it.
8828
8829 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
8830
8831         * configure.ac: Teach that fido supports .debug_line.
8832         * configure: Regenerate.
8833
8834 2008-06-10  Tom Tromey  <tromey@redhat.com>
8835
8836         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
8837         debug hook.
8838
8839 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8840
8841         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
8842         (encode_decimal64, decode_decimal64, encode_decimal128,
8843         decode_decimal128): Reverse order of 32-bit parts of value if host
8844         and target endianness differ.
8845
8846 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
8847
8848         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
8849         Avoid division by 0.
8850         (tree_mod_pow2_value_transform): Likewise.
8851         (tree_ic_transform): Likewise.
8852         (tree_stringops_transform): Likewise.
8853         (tree_mod_subtract_transform): Likewise.
8854         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
8855         (copy_edges_for_bb): Likewise.
8856         (initialize_cfun): Likewise.
8857
8858 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8859
8860         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
8861         nonmemory_operand. Add "N" operand constraint.
8862         (*btsi): Ditto.
8863         (*jcc_btdi_mask_rex64): New instruction and split pattern.
8864         (*jcc_btsi_mask): Ditto.
8865         (*jcc_btsi_mask_1): Ditto.
8866
8867 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8868
8869         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
8870         TYPE_CANONICAL for copied element type.
8871
8872 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8873
8874         PR target/36473
8875         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
8876         Add m_CORE2 and m_GENERIC.
8877         * config/i386/predicates.md (bt_comparison_operator): New predicate.
8878         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
8879         (*btsi): Ditto.
8880         (*jcc_btdi_rex64): New instruction and split pattern.
8881         (*jcc_btsi): Ditto.
8882         (*jcc_btsi_1): Ditto.
8883         (*btsq): Fix Intel asm dialect operand order.
8884         (*btrq): Ditto.
8885         (*btcq): Ditto.
8886
8887 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
8888
8889         PR middle-end/36447
8890         * simplify-rtx.c (simplify_subreg): Add check for shift count
8891         greater than size.
8892
8893 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
8894
8895         * doc/md.texi: Synchronize with later constraints.md change.
8896         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
8897         with a C implementation.
8898         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
8899         MFLO handling.
8900         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
8901         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
8902         when moving to and from MD_REGNUM.
8903         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
8904         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
8905         Handle byte and halfword moves.
8906         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
8907         separately.
8908         * config/mips/constraints.md (h): Turn into NO_REGS.
8909         (l, x): Update documentation.
8910         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
8911         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
8912         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
8913         (HILO): New mode iterator.
8914         (MOVE128): Add TI.
8915         (any_div): New code iterator.
8916         (u): Extend code attribute to div and udiv.
8917         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
8918         d_operand in the splitters.  Remove redundant CONST_INT checks.
8919         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
8920         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
8921         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
8922         accordingly, using normal moves instead of unspecs to move LO into
8923         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
8924         (<u>mulsidi3): Handle expansion in C code.
8925         (<u>mulsidi3_32bit_internal): Rename to...
8926         (<u>mulsidi3_32bit): ...this.
8927         (<u>mulsidi3_32bit_r4000): Fix insn separator.
8928         (*<u>mulsidi3_64bit): Rename to...
8929         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
8930         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
8931         to set LO and HI to the multiplication result.  Use a normal move
8932         for MFLO and an unspec for MFHI.
8933         (*<u>mulsidi3_64bit_parts): Replace with...
8934         (<u>mulsidi3_64bit_hilo): ...this new instruction.
8935         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
8936         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
8937         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
8938         instead of HI.  Split the instruction into a separate multiplication
8939         and MFHI if !TARGET_FIX_R4000.
8940         (<su>muldi3_highpart): Likewise.
8941         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
8942         and the "=h" clobber.
8943         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
8944         (<u>mulditi3): New expander.
8945         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
8946         (madsi): Remove "=h" clobber.
8947         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
8948         Force the modulus result to be a GPR and split the instruction into
8949         a division followed by an MFHI after reload.
8950         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
8951         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
8952         the MIPS16 HIGH define_split.
8953         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
8954         of acc<->gpr moves to "multi".
8955         (*movdi_64bit): Replace the single "x" alternative with
8956         alternatives for moving into and out of "a".
8957         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
8958         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
8959         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
8960         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
8961         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
8962         (movti): New expander.
8963         (*movti, *movti_mips16): New insns.
8964         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
8965         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
8966         (mthi<GPR:mode>_<HILO:mode>): Likewise.
8967         * config/mips/predicates.md (fpr_operand): Delete.
8968         (d_operand): New predicate.
8969
8970 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
8971
8972         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
8973         failure on some Bourne shells.
8974         (x86_64-*-*): Ditto.
8975
8976 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
8977
8978         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
8979
8980 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8981
8982         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
8983         (sparc-sun-solaris2*): Likewise.
8984
8985 2008-06-09  Arnaud Charlet  <charlet@adacore.com
8986
8987         * doc/install.texi: Update requirements to build the Ada compiler.
8988
8989 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8990
8991         * df-scan.c (struct df_scan_problem_data): Remove the
8992         mw_link_pool alloc pool.
8993         (df_scan_free_internal): Don't free it.
8994         (df_scan_alloc): Don't allocate it.
8995         * df.h (struct df_link): Update comment.
8996
8997 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
8998
8999         * except.h: Correct checks for when SJLJ exceptions must be used.
9000
9001 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9002
9003         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
9004         default.
9005
9006 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
9007
9008         PR tree-optimization/36218
9009         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
9010         configure for the build system.
9011         (BUILD_LDFLAGS): Define.
9012         * configure: Regenerate.
9013         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
9014
9015 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
9016
9017         PR target/36424
9018         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
9019         * config/avr/avr.c (avr_hard_regno_rename_ok): New function.
9020         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype.
9021
9022 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
9023
9024         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
9025
9026 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
9027
9028         * config.gcc (Obsolete configurations): Remove list of
9029         configurations.
9030         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
9031         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
9032         targets matched by those patterns.
9033         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
9034         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
9035         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
9036         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
9037         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
9038         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
9039         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
9040         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
9041         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
9042         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
9043         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
9044         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
9045         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
9046         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
9047         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
9048         Make code for Solaris 7 and greater unconditional for Solaris.
9049         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
9050         Remove --with-* handling.
9051         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
9052         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
9053         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
9054         LINK_OS_WINDISS_SPEC): Remove.
9055         * config/rs6000/sysv4.opt (mwindiss): Remove.
9056         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
9057         * configure: Regenerate.
9058         * doc/cpp.texi: Don't mention BeOS.
9059         * doc/extend.texi (interrupt): Don't mention MS1.
9060         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
9061         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
9062         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
9063         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
9064         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
9065         Remove.
9066         * doc/invoke.texi (MT Options): Remove.
9067         (-mwindiss): Remove.
9068         (CRIS Options): Remove cris-axis-aout references.
9069         (HPPA Options): Don't mention hppa1.1-*-pro.
9070         * doc/md.texi: (MorphoTech family): Remove.
9071         * libgcc2.c: Don't handle UWIN.
9072         * config/alpha/t-unicosmk: Remove.
9073         * config/alpha/unicosmk.h: Remove.
9074         * config/arm/kaos-arm.h: Remove.
9075         * config/arm/kaos-strongarm.h: Remove.
9076         * config/arm/strongarm-coff.h: Remove.
9077         * config/arm/strongarm-elf.h: Remove.
9078         * config/arm/strongarm-pe.h: Remove.
9079         * config/arm/t-strongarm-pe: Remove.
9080         * config/arm/t-xscale-coff: Remove.
9081         * config/arm/t-xscale-elf: Remove.
9082         * config/arm/xscale-coff.h: Remove.
9083         * config/arm/xscale-elf.h: Remove.
9084         * config/chorus.h: Remove.
9085         * config/cris/aout.h: Remove.
9086         * config/cris/aout.opt: Remove.
9087         * config/cris/t-aout: Remove.
9088         * config/i386/beos-elf.h: Remove.
9089         * config/i386/kaos-i386.h: Remove.
9090         * config/i386/ptx4-i.h: Remove.
9091         * config/i386/sco5.h: Remove.
9092         * config/i386/sco5.opt: Remove.
9093         * config/i386/sysv4-cpp.h: Remove.
9094         * config/i386/sysv5.h: Remove.
9095         * config/i386/t-beos: Remove.
9096         * config/i386/t-sco5: Remove.
9097         * config/i386/t-uwin: Remove.
9098         * config/i386/uwin.asm: Remove.
9099         * config/i386/uwin.h: Remove.
9100         * config/kaos.h: Remove.
9101         * config/mips/windiss.h: Remove.
9102         * config/mt: Remove directory.
9103         * config/pa/pa-osf.h: Remove.
9104         * config/pa/pa-pro-end.h: Remove.
9105         * config/pa/t-pro: Remove.
9106         * config/ptx4.h: Remove.
9107         * config/rs6000/beos.h: Remove.
9108         * config/rs6000/kaos-ppc.h: Remove.
9109         * config/rs6000/t-beos: Remove.
9110         * config/rs6000/windiss.h: Remove.
9111         * config/sh/kaos-sh.h: Remove.
9112         * config/sol2-6.h: Remove.
9113         * config/sparc/sol26-sld.h: Remove.
9114         * config/sparc/sysv4-only.h: Remove.
9115         * config/vax/bsd.h: Remove.
9116         * config/vax/t-memfuncs: Remove.
9117         * config/vax/ultrix.h: Remove.
9118         * config/vax/vaxv.h: Remove.
9119         * config/windiss.h: Remove.
9120
9121 2008-06-06  Uros Bizjak <ubizjak@gmail.com>
9122
9123         PR rtl-optimization/36438
9124         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
9125         for vector shifts with constant scalar shift operands.
9126
9127 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
9128
9129         * doc/invoke.texi: Document -march=xlr.
9130         * config/mips/xlr.md: New file.
9131         * config/mips/mips.md: Include it.
9132         (cpu): Add "xlr".
9133         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
9134         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
9135         (mips_rtx_cost_data): Likewise.
9136
9137 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
9138
9139         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
9140         PRE_INC and PRE_DEC cases.
9141
9142 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
9143
9144         PR rtl-optimization/36419
9145         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
9146         the emitting jump insn.
9147
9148         PR target/36362
9149         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
9150         is not bool, boolify the whole *expr_p and convert to the desired type.
9151
9152 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
9153
9154         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
9155         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
9156         Add omp_private_outer_ref hook, add another argument to
9157         omp_clause_default_ctor hook.
9158         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
9159         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
9160         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
9161         hook_tree_tree_tree_tree_null.
9162         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
9163         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
9164         * hooks.c (hook_tree_tree_tree_tree_null): New function.
9165         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
9166         * tree.def (OMP_TASK): New tree code.
9167         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
9168         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
9169         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
9170         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
9171         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
9172         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
9173         OMP_CLAUSE_COLLAPSE_EXPR): Define.
9174         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
9175         (OMP_DIRECTIVE_P): Add OMP_TASK.
9176         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
9177         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
9178         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
9179         and OMP_CLAUSE_UNTIED entries.
9180         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
9181         num_ops to 2.
9182         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
9183         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
9184         * tree-pretty-print.c (dump_omp_clause): Handle
9185         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
9186         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
9187         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
9188         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
9189         warning about unsigned iterators.  Change decl/init/cond/incr
9190         arguments to TREE_VECs, check arguments for all collapsed loops.
9191         (c_finish_omp_taskwait): New function.
9192         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
9193         ws_clauses.
9194         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
9195         default_function_array_conversion on init.  Add par_clauses argument.
9196         If decl is present in parallel's lastprivate clause, change it to
9197         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
9198         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
9199         collapse count in clauses.
9200         (c_parser_omp_for, c_parser_omp_parallel): Adjust
9201         c_parser_omp_for_loop callers.
9202         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
9203         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
9204         (c_parser_omp_clause_name): Handle collapse and untied clauses.
9205         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
9206         functions.
9207         (c_parser_omp_clause_schedule): Handle schedule(auto).
9208         Include correct location in the error message.
9209         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
9210         and PRAGMA_OMP_CLAUSE_UNTIED.
9211         (OMP_TASK_CLAUSE_MASK): Define.
9212         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
9213         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
9214         * tree-nested.c (convert_nonlocal_omp_clauses,
9215         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
9216         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
9217         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
9218         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
9219         OMP_CLAUSE_DECL.
9220         (conver_nonlocal_reference, convert_local_reference,
9221         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
9222         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
9223         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
9224         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
9225         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
9226         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
9227         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
9228         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
9229         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
9230         OMP_CLAUSE_UNTIED.
9231         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
9232         * c-common.h (c_finish_omp_taskwait): New prototype.
9233         * gimple-low.c (lower_stmt): Handle OMP_TASK.
9234         * tree-parloops.c (create_parallel_loop): Create 1 entry
9235         vectors for OMP_FOR_{INIT,COND,INCR}.
9236         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
9237         (make_edges): Handle OMP_TASK.
9238         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
9239         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9240         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
9241         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
9242         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
9243         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
9244         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
9245         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
9246         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
9247         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
9248         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
9249         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
9250         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
9251         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
9252         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
9253         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
9254         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
9255         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
9256         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
9257         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
9258         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
9259         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
9260         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
9261         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
9262         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
9263         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
9264         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
9265         original iterator is present in lastprivate clause or if
9266         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
9267         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9268         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
9269         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
9270         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
9271         if it is set, lookup var in outer contexts too.  Handle
9272         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
9273         to be implicitly determined firstprivate for task regions.
9274         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
9275         if it is set, lookup var in outer contexts too.  Set
9276         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
9277         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
9278         OMP_CLAUSE_UNTIED.  Take region_type as last argument
9279         instead of in_parallel and in_combined_parallel.
9280         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9281         Adjust callers.
9282         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
9283         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
9284         (new_omp_context): Set default_kind to
9285         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
9286         (omp_region_type): New enum.
9287         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
9288         fields, add region_type.
9289         (new_omp_context): Take region_type as argument instead of is_parallel
9290         and is_combined_parallel.
9291         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
9292         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
9293         ctx->is_combined_parallel checks.
9294         (gimplify_omp_task): New function.
9295         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
9296         OMP_CLAUSE_UNTIED.
9297         * omp-low.c (extract_omp_for_data): Use schedule(static)
9298         for schedule(auto).  Handle pointer and unsigned iterators.
9299         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
9300         Add loops argument.  Extract data for collapsed OMP_FOR loops.
9301         (expand_parallel_call): Assert sched_kind isn't auto,
9302         map runtime schedule to index 3.
9303         (struct omp_for_data_loop): New type.
9304         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
9305         Add loop, loops, collapse and iter_type fields.
9306         (workshare_safe_to_combine_p): Disallow combined for if
9307         iter_type is unsigned long long.  Don't combine collapse > 1 loops
9308         unless all bounds and steps are constant.  Adjust extract_omp_for_data
9309         caller.
9310         (expand_omp_for_generic): Handle pointer, unsigned and long long
9311         iterators.  Handle collapsed OMP_FOR loops.  Adjust
9312         for struct omp_for_data changes.  If libgomp function doesn't return
9313         boolean_type_node, add comparison of the return value with 0.
9314         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
9315         pointer, unsigned and long long iterators.  Adjust for struct
9316         omp_for_data changes.
9317         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
9318         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
9319         unsigned long long.  Allocate loops array, pass it to
9320         extract_omp_for_data.  For collapse > 1 loops use always
9321         expand_omp_for_generic.
9322         (omp_context): Add sfield_map and srecord_type fields.
9323         (is_task_ctx, lookup_sfield): New functions.
9324         (use_pointer_for_field): Use is_task_ctx helper.  Change first
9325         argument's type from const_tree to tree.  Clarify comment.
9326         In OMP_TASK disallow copy-in/out sharing.
9327         (build_sender_ref): Call lookup_sfield instead of lookup_field.
9328         (install_var_field): Add mask argument.  Populate both record_type
9329         and srecord_type if needed.
9330         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
9331         in srecord_type.
9332         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
9333         and DECL_FIELD_OFFSET.
9334         (scan_sharing_clauses): Adjust install_var_field callers.  For
9335         firstprivate clauses on explicit tasks allocate the var by value in
9336         record_type unconditionally, rather than by reference.
9337         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
9338         Use is_taskreg_ctx instead of is_parallel_ctx.
9339         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
9340         (create_omp_child_function_name): Add task_copy argument, use
9341         *_omp_cpyfn* names if it is true.
9342         (create_omp_child_function): Add task_copy argument, if true create
9343         *_omp_cpyfn* helper function.
9344         (scan_omp_parallel): Adjust create_omp_child_function callers.
9345         Rename parallel_nesting_level to taskreg_nesting_level.
9346         (scan_omp_task): New function.
9347         (lower_rec_input_clauses): Don't run constructors for firstprivate
9348         explicit task vars which are initialized by *_omp_cpyfn*.
9349         Pass outer var ref to omp_clause_default_ctor hook if
9350         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
9351         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
9352         OMP_CLAUSE_REDUCTION_INIT.
9353         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
9354         avoid duplicate setting of fields.  Handle
9355         OMP_CLAUSE_PRIVATE_OUTER_REF.
9356         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
9357         copy-out if TREE_READONLY, only copy-in.
9358         (expand_task_copyfn): New function.
9359         (expand_task_call): New function.
9360         (struct omp_taskcopy_context): New type.
9361         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
9362         New functions.
9363         (lower_omp_parallel): Rename to...
9364         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
9365         Call create_task_copyfn if srecord_type is needed.  Adjust
9366         sender_decl type.
9367         (task_shared_vars): New variable.
9368         (check_omp_nesting_restrictions): Warn if work-sharing,
9369         barrier, master or ordered region is closely nested inside OMP_TASK.
9370         Add warnings for barrier if closely nested inside of work-sharing,
9371         ordered, or master region.
9372         (scan_omp_1): Call check_omp_nesting_restrictions even for
9373         GOMP_barrier calls.  Rename parallel_nesting_level to
9374         taskreg_nesting_level.  Handle OMP_TASK.
9375         (lower_lastprivate_clauses): Even if some lastprivate is found on a
9376         work-sharing construct, continue looking for them on parent parallel
9377         construct.
9378         (lower_omp_for_lastprivate): Add lastprivate clauses
9379         to the beginning of dlist rather than end.  Adjust for struct
9380         omp_for_data changes.
9381         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
9382         not after it.  Handle collapsed OMP_FOR loops, adjust for
9383         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
9384         (get_ws_args_for): Adjust extract_omp_for_data caller.
9385         (scan_omp_for): Handle collapsed OMP_FOR
9386         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9387         (lower_omp_single_simple): If libgomp function doesn't return
9388         boolean_type_node, add comparison of the return value with 0.
9389         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
9390         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
9391         (parallel_nesting_level): Rename to...
9392         (taskreg_nesting_level): ... this.
9393         (is_taskreg_ctx): New function.
9394         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
9395         of is_parallel_ctx.
9396         (execute_lower_omp): Rename parallel_nesting_level to
9397         taskreg_nesting_level.
9398         (expand_omp_parallel): Rename to...
9399         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
9400         Call omp_task_call for OMP_TASK regions.
9401         (expand_omp): Adjust caller, handle OMP_TASK.
9402         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
9403
9404         * bitmap.c (bitmap_default_obstack_depth): New variable.
9405         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
9406         if argument is NULL and bitmap_default_obstack is already initialized.
9407         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
9408         at the end.
9409         * matrix-reorg.c (matrix_reorg): Likewise.
9410
9411 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
9412
9413         * config/i386/i386.md (*indirect_jump): Macroize using P
9414         mode iterator.  Remove !TARGET_64BIT from insn constraints.
9415         (*tablejump_1): Ditto.
9416         (*indirect_jump_rex64): Remove insn pattern.
9417         (*tablejump_1_rex64): Ditto.
9418         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
9419         and eh_return_si insn patterns.
9420
9421 2008-06-06  Richard Guenther  <rguenther@suse.de>
9422
9423         * tree-ssa-structalias.c (merge_smts_into): Remove.
9424         (find_what_p_points_to): Do not bother to compute the
9425         points-to set for pt_anything pointers.
9426         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
9427         for pt_anything pointers is ok.
9428
9429 2008-06-06  Jan Hubicka  <jh@suse.cz>
9430
9431         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
9432
9433 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9434
9435         * cgraph.c: Fix typos in comments.
9436         (cgraph_availability_names): Fix string typo.
9437         * fold-const.c: Fix typos in comments.
9438         (fold_binary): Fix typo in warning.
9439         * genautomata.c: Fix typos in comments.
9440         (check_presence_pattern_sets): Fix typo in local variable.
9441         (output_description): Fix typo in output.
9442         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
9443         * hwint.h: Likewise.
9444         * matrix-reorg.c (check_allocation_function): Likewise.
9445         * omega.c (smooth_weird_equations): Likewise.
9446         * auto-inc-dec.c: Fix typos in comments.
9447         * bb-reorder.c: Likewise.
9448         * builtins.c: Likewise.
9449         * c-common.c: Likewise.
9450         * c-cppbuiltin.c: Likewise.
9451         * c-parser.c: Likewise.
9452         * c-pretty-print.c: Likewise.
9453         * cfgcleanup.c: Likewise.
9454         * cfgexpand.c: Likewise.
9455         * cfghooks.c: Likewise.
9456         * cfglayout.c: Likewise.
9457         * cfgloopmanip.c: Likewise.
9458         * cgraphunit.c: Likewise.
9459         * coverage.c: Likewise.
9460         * dbxout.c: Likewise.
9461         * df-byte-scan.c: Likewise.
9462         * df-core.c: Likewise.
9463         * df-problems.c: Likewise.
9464         * df-scan.c: Likewise.
9465         * dfp.c: Likewise.
9466         * dominance.c: Likewise.
9467         * domwalk.c: Likewise.
9468         * dse.c: Likewise.
9469         * dwarf2out.c: Likewise.
9470         * emit-rtl.c: Likewise.
9471         * et-forest.c: Likewise.
9472         * function.c: Likewise.
9473         * function.h: Likewise.
9474         * gcc.c: Likewise.
9475         * gcov-io.c: Likewise.
9476         * gcov.c: Likewise.
9477         * gcse.c: Likewise.
9478         * genattrtab.c: Likewise.
9479         * ggc-page.c: Likewise.
9480         * gimplify.c: Likewise.
9481         * gthr-lynx.h: Likewise.
9482         * haifa-sched.c: Likewise.
9483         * ipa-cp.c: Likewise.
9484         * ipa-inline.c: Likewise.
9485         * ipa-prop.h: Likewise.
9486         * ipa-pure-const.c: Likewise.
9487         * ipa-struct-reorg.c: Likewise.
9488         * ipa-struct-reorg.h: Likewise.
9489         * ipa-type-escape.c: Likewise.
9490         * ipa.c: Likewise.
9491         * loop-doloop.c: Likewise.
9492         * mips-tfile.c: Likewise.
9493         * mkmap-flat.awk: Likewise.
9494         * mkmap-symver.awk: Likewise.
9495         * modulo-sched.c: Likewise.
9496         * omp-low.c: Likewise.
9497         * optabs.c: Likewise.
9498         * optabs.h: Likewise.
9499         * opts.c: Likewise.
9500         * passes.c: Likewise.
9501         * postreload-gcse.c: Likewise.
9502         * postreload.c: Likewise.
9503         * predict.c: Likewise.
9504         * pretty-print.h: Likewise.
9505         * profile.c: Likewise.
9506         * protoize.c: Likewise.
9507         * ra-conflict.c: Likewise.
9508         * real.c: Likewise.
9509         * recog.c: Likewise.
9510         * regclass.c: Likewise.
9511         * regs.h: Likewise.
9512         * reload.c: Likewise.
9513         * rtl-error.c: Likewise.
9514         * rtlanal.c: Likewise.
9515         * scan.h: Likewise.
9516         * sched-rgn.c: Likewise.
9517         * see.c: Likewise.
9518         * stmt.c: Likewise.
9519         * target.h: Likewise.
9520         * tree-dfa.c: Likewise.
9521         * tree-eh.c: Likewise.
9522         * tree-flow-inline.h: Likewise.
9523         * tree-inline.c: Likewise.
9524         * tree-into-ssa.c: Likewise.
9525         * tree-loop-distribution.c: Likewise.
9526         * tree-nested.c: Likewise.
9527         * tree-parloops.c: Likewise.
9528         * tree-pass.h: Likewise.
9529         * tree-pretty-print.c: Likewise.
9530         * tree-profile.c: Likewise.
9531         * tree-scalar-evolution.c: Likewise.
9532         * tree-sra.c: Likewise.
9533         * tree-ssa-alias-warnings.c: Likewise.
9534         * tree-ssa-ccp.c: Likewise.
9535         * tree-ssa-coalesce.c: Likewise.
9536         * tree-ssa-dom.c: Likewise.
9537         * tree-ssa-dse.c: Likewise.
9538         * tree-ssa-forwprop.c: Likewise.
9539         * tree-ssa-live.c: Likewise.
9540         * tree-ssa-live.h: Likewise.
9541         * tree-ssa-loop-im.c: Likewise.
9542         * tree-ssa-loop-ivopts.c: Likewise.
9543         * tree-ssa-loop-niter.c: Likewise.
9544         * tree-ssa-loop-prefetch.c: Likewise.
9545         * tree-ssa-phiopt.c: Likewise.
9546         * tree-ssa-phiprop.c: Likewise.
9547         * tree-ssa-sccvn.c: Likewise.
9548         * tree-ssa-ter.c: Likewise.
9549         * tree-ssa-threadupdate.c: Likewise.
9550         * tree-ssa.c: Likewise.
9551         * tree-vect-analyze.c: Likewise.
9552         * tree-vect-transform.c: Likewise.
9553         * tree-vectorizer.c: Likewise.
9554         * tree-vn.c: Likewise.
9555         * tree-vrp.c: Likewise.
9556         * tree.c: Likewise.
9557         * tree.def: Likewise.
9558         * tree.h: Likewise.
9559         * unwind-dw2-fde.c: Likewise.
9560         * unwind.inc: Likewise.
9561         * value-prof.c: Likewise.
9562         * vmsdbgout.c: Likewise.
9563
9564 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
9565
9566         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
9567         always place FP constants in the TOC for TARGET_POWERPC64.
9568         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
9569
9570 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
9571
9572         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
9573         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
9574         enable for TARGET_E500_DOUBLE.
9575         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
9576         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
9577         floating-point modes like integer modes for E500 double.
9578         (rs6000_legitimate_offset_address_p): Likewise.
9579         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
9580         addressing for DDmode for E500 double.
9581         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
9582         modes as using 64-bits of registers for E500 double.
9583         (spe_build_register_parallel): Do not handle DDmode or TDmode.
9584         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
9585         specially for E500 double.
9586         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
9587         TDmode for E500 double.
9588         (rs6000_gimplify_va_arg): Only handle SDmode in registers
9589         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
9590         (rs6000_split_multireg_move): Do not handle TDmode specially for
9591         E500 double.
9592         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
9593         using 64-bit registers for E500 double.
9594         (emit_frame_save): Do not handle DDmode specially for E500 double.
9595         (gen_frame_mem_offset): Likewise.
9596         (rs6000_function_value): Do not call spe_build_register_parallel
9597         for DDmode or TDmode.
9598         (rs6000_libcall_value): Likewise.
9599         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
9600         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
9601         for E500 double.
9602
9603 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
9604
9605         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
9606         in comments.
9607
9608 2008-06-04  Junjie Gu <jgu@tensilica.com>
9609
9610         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
9611         comparison for frame pointers.
9612
9613 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9614
9615         PR target/27386
9616         * config/avr/avr.h (PUSH_ROUNDING): Remove.
9617
9618 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9619
9620         PR target/30243
9621         * builtins.c (expand_builtin_signbit): Don't take lowpart when
9622         register is already smaller or equal to required mode.
9623
9624 2008-06-04  Xinliang David Li  <davidxl@google.com>
9625
9626         * tree-call-cdce.c: New file.
9627         (cond_dead_built_in_calls): New static variable.
9628         (input_domain): New struct.
9629         (check_pow): New function.
9630         (check_builtin_call): Ditto.
9631         (check_target_format): Ditto.
9632         (is_call_dce_candidate): Ditto.
9633         (gen_one_condition): Ditto.
9634         (gen_conditions_for_domain): Ditto.
9635         (get_domain): Ditto.
9636         (gen_conditions_for_pow_cst_base): Ditto.
9637         (gen_conditions_for_pow_int_base): Ditto.
9638         (gen_conditions_for_pow): Ditto.
9639         (get_no_error_domain): Ditto.
9640         (gen_shrink_wrap_conditions): Ditto.
9641         (shrink_wrap_one_built_in_call): Ditto.
9642         (shink_wrap_conditional_dead_built_in_calls): Ditto.
9643         (tree_call_cdce): Ditto.
9644         (gate_call_cdce): Ditto.
9645         (pass_call_cdce): New gimple pass.
9646         * passes.c: (init_optimization_passes): New pass.
9647         * tree-pass.h: New pass declaration.
9648         * opts.c (decode_options): New flag setting.
9649         * common.opt: Add -ftree-builtin-call-dce flag.
9650         * Makefile.in: Add new source file.
9651         * tempvar.def: New tv_id.
9652         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
9653
9654 2008-06-04  Richard Guenther  <rguenther@suse.de>
9655
9656         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
9657         (is_call_clobbered): Always check var_ann->call_clobbered.
9658         (mark_call_clobbered): Always set var_ann->call_clobbered.
9659         (clear_call_clobbered): Always clear var_ann->call_clobbered.
9660         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
9661         (reset_alias_info): Clear call clobbering info on MTAGs and
9662         globals as well.
9663         (set_pt_anything): Set pt_global_mem.
9664         (create_tag_raw): Adjust comment.
9665         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
9666
9667 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
9668             Maxim Kuvyrkov  <maxim@codesourcery.com>
9669
9670         * config/m68k/m68k.opt (mxgot): New option.
9671         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
9672         (m68k_output_addr_const_extra): New.
9673         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
9674         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
9675         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
9676         * doc/invoke.texi (M680x0 Options): Document -mxgot.
9677
9678 2008-06-04  Richard Guenther  <rguenther@suse.de>
9679
9680         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
9681         negative or non-representable offsets.
9682
9683 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
9684
9685         * config/i386/i386.c (ix86_gen_leave): New.
9686         (ix86_gen_pop1): Likewise.
9687         (ix86_gen_add3): Likewise.
9688         (ix86_gen_sub3): Likewise.
9689         (ix86_gen_sub3_carry): Likewise.
9690         (ix86_gen_one_cmpl2): Likewise.
9691         (ix86_gen_monitor): Likewise.
9692         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
9693         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
9694         ix86_gen_one_cmpl2 and ix86_gen_monitor.
9695         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
9696         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
9697         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
9698         (ix86_expand_epilogue): Updated.
9699         (print_operand): Handle integer register operand for 'z'.
9700         (ix86_expand_strlensi_unroll_1): Likewise.
9701         (ix86_expand_strlen): Likewise.
9702         (ix86_expand_builtin): Likewise.
9703         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
9704         mov{q}/mov{l} and add{q}/add{l}.
9705
9706 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9707
9708         * config/i386/i386.md (P): New mode iterator.
9709         (SFmode push_operand splitter): Macroize DImode and SImode pushes
9710         using P mode iterator.
9711         (DFmode push_operand splitter): Ditto.
9712         (XFmode push_operand splitter): Ditto.
9713         (DFmode float_extend SFmode push_operand splitter): Ditto.
9714         (XFmode float_extend SFmode push_operand splitter): Do not generate
9715         SImode pushes for 64bit target.  Macroize Dimode and SImode
9716         pushes using P mode iterator.
9717         (XFmode float_extend DFmode push_operand splitter): Ditto.
9718
9719 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9720
9721         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
9722         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
9723         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
9724         return type to int.
9725         (ix86_call_abi_override): Remove check for call_used_regs.
9726
9727 2008-06-03  Richard Guenther  <rguenther@suse.de>
9728
9729         * tree-ssa-structalias.c (find_func_aliases): Add constraints
9730         for the lhs of calls if the return type contains pointers.
9731
9732 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9733
9734         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
9735         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
9736         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
9737         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
9738         of cfun and DEFAULT_ABI to deceide abi mode.
9739         (DEFAULT_ABI): New.
9740         (REG_PARM_STACK_SPACE): Removed.
9741         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
9742         (STACK_BOUNDARY): Use default target to deceide stack boundary.
9743         * config/i386/i386-protos.h (ix86_cfun_abi): New.
9744         (ix86_function_abi): Likewise.
9745         (ix86_function_type_abi): Likewise.
9746         (ix86_call_abi_override): Likewise.
9747         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
9748         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
9749         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
9750         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
9751         specific defines.
9752         (X86_64_REGPARM_MAX): New.
9753         (X86_64_SSE_REGPARM_MAX): New.
9754         (X64_REGPARM_MAX): New.
9755         (X64_SSE_REGPARM_MAX): New.
9756         (X86_32_REGPARM_MAX): New.
9757         (X86_32_SSE_REGPARM_MAX): New.
9758         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
9759         (ix86_function_regparm): Handle user calling abi.
9760         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
9761         by DEFAULT_ABI versus SYSV_ABI check.
9762         (ix86_reg_parm_stack_space): New.
9763         (ix86_function_type_abi): New.
9764         (ix86_call_abi_override): New.
9765         (ix86_function_abi): New.
9766         (ix86_cfun_abi): New.
9767         (init_cumulative_args): Call abi specific initialization.
9768         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
9769         (function_arg_64): Extend SSE_REGPARM_MAX check.
9770         (function_arg (): Remove TARGET_64BIT_MS_ABI.
9771         (ix86_pass_by_reference): Likewise.
9772         (ix86_function_value_regno_p): Likewise.
9773         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
9774         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
9775         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
9776         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
9777         (setup_incoming_varargs_64): Adjust regparm for call abi.
9778         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
9779         (ix86_va_start): Likewise.
9780         (ix86_gimplify_va_arg): Likewise.
9781         (ix86_expand_prologue): Likewise.
9782         (output_pic_addr_const): Likewise.
9783         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
9784         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
9785         (x86_output_mi_thunk): Likewise.
9786         (x86_function_profiler): Likewise.
9787         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
9788         (SYSV_ABI, MS_ABI): New constants.
9789         (DEFAULT_ABI): New.
9790         (init_regs): Add prototype of function in regclass.c file.
9791         (OVERRIDE_ABI_FORMAT): New.
9792         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
9793         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
9794         (OUTGOING_REG_PARM_STACK_SPACE): New.
9795         (ix86_reg_parm_stack_space): New prototype.
9796         (CUMULATIVE_ARGS): Add call_abi member.
9797         (machine_function): Add call_abi member.
9798         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
9799         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
9800
9801 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
9802
9803         PR target/34879
9804         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
9805         (avr_builtin_setjmp_frame_value): New function.
9806         * config/avr/avr.md (nonlocal_goto_receiver): Define.
9807         (nonlocal_goto): Define.
9808
9809 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
9810
9811         * config/mips/mips.c (mips_emit_loadgp): Return early if
9812         there is nothing do to, otherwise emit a blockage if
9813         !TARGET_EXPLICIT_RELOCS || crtl->profile.
9814         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
9815
9816 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9817
9818         * configure.ac: Drop unneeded backslash ending up in config.in.
9819         * acinclude.m4: Likewise.
9820         * config.in: Regenerate.
9821
9822 2008-05-26  Jan Hubicka  <jh@suse.cz>
9823
9824         * predict.c (maybe_hot_frequency_p): Break out of...
9825         (maybe_hot_bb_p): ... here.
9826         (maybe_hot_edge_p): New.
9827         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
9828         * basic-block.h (maybe_hot_edge_p): Declare.
9829
9830 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9831
9832         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
9833         (*cmpfp_<mode>_cc): Ditto.
9834         (*fp_jcc_8<mode>_387): Ditto.
9835         (*fop_<MODEF:mode>_2_i387): Ditto.
9836         (*fop_<MODEF:mode>_3_i387): Ditto.
9837         (*fop_xf_2_i387): Ditto.
9838         (*fop_xf_3_i387): Ditto.
9839
9840 2008-06-02  Tomas Bily  <tbily@suse.cz>
9841
9842         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
9843
9844 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9845
9846         * config/mips/mips.c (mips_valid_offset_p): New function.
9847         (mips_valid_lo_sum_p): Likewise.
9848         (mips_classify_address): Use them.
9849         (mips_force_address): New function.
9850         (mips_legitimize_address): Use it.
9851         * config/mips/mips.md (MOVE128): New mode iterator.
9852         (movtf): Require TARGET_64BIT.  Remove empty strings.
9853         (*movtf_internal): Rename to...
9854         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
9855         of "R" and use {,fp}{load,store} attributes instead of "multi".
9856         Use a separate define_split.
9857         (*movtf_mips16): New pattern.
9858
9859 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9860
9861         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
9862         * config/mips/mips.c (mips_expand_before_return): New function.
9863         (mips_expand_epilogue): Call it.
9864         * config/mips/mips.md (return): Turn into a define_expand.
9865         (*return): New insn.
9866
9867 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9868
9869         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
9870         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
9871         functions.  Do not emit uses and clobbers of CONCATs; individually
9872         use and clobber their operands.
9873         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
9874         gen_clobber, emit_use and gen_use.
9875         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
9876         (expand_builtin_return): Likewise.
9877         * cfgbuild.c (count_basic_blocks): Likewise.
9878         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
9879         * explow.c (emit_stack_restore): Likewise.
9880         * expmed.c (extract_bit_field_1): Likewise.
9881         * expr.c (convert_move, emit_move_complex_parts): Likewise.
9882         (emit_move_multi_word, store_constructor): Likewise.
9883         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
9884         (thread_prologue_and_epilogue_insns): Likewise.
9885         * lower-subreg.c (resolve_simple_move): Likewise.
9886         * optabs.c (widen_operand, expand_binop): Likewise.
9887         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
9888         * reload.c (find_reloads): Likewise.
9889         * reload1.c (eliminate_regs_in_insn): Likewise.
9890         * stmt.c (expand_nl_goto_receiver): Likewise.
9891         * config/alpha/alpha.md (builtin_longjmp): Likewise.
9892         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
9893         * config/arm/arm.c (arm_load_pic_register): Likewise.
9894         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
9895         * config/arm/arm.md (untyped_return): Likewise.
9896         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
9897         * config/avr/avr.c (expand_prologue): Likewise.
9898         * config/bfin/bfin.c (do_unlink): Likewise.
9899         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
9900         * config/cris/cris.c (cris_expand_prologue): Likewise.
9901         * config/darwin.c (machopic_indirect_data_reference): Likewise.
9902         (machopic_legitimize_pic_address): Likewise.
9903         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
9904         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
9905         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
9906         (ix86_expand_convert_uns_didf_sse): Likewise.
9907         (ix86_expand_vector_init_general): Likewise.
9908         * config/ia64/ia64.md (eh_epilogue): Likewise.
9909         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
9910         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
9911         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
9912         (config/iq2000/iq2000.c): Likewise.
9913         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
9914         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
9915         (builtin_longjmp): Likewise.
9916         * config/mn10300/mn10300.md (call, call_value): Likewise.
9917         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
9918         * config/pdp11/pdp11.md (abshi2): Likewise.
9919         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9920         * config/s390/s390.c (s390_emit_prologue): Likewise.
9921         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
9922         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
9923         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
9924         * config/sh/sh.c (prepare_move_operands): Likewise.
9925         (output_stack_adjust, sh_expand_epilogue): Likewise.
9926         (sh_set_return_address, sh_expand_t_scc): Likewise.
9927         * config/sparc/sparc.c (load_pic_register): Likewise.
9928         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
9929         * config/spu/spu.c (spu_expand_epilogue): Likewise.
9930         * config/v850/v850.c (expand_epilogue): Likewise.
9931
9932 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
9933
9934         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
9935         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
9936         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
9937         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
9938         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
9939         stack pointer register.
9940         (output_movhi): Remove code for interrupt specific writing to the
9941         stack pointer register.
9942
9943 2008-05-31  Richard Guenther  <rguenther@suse.de>
9944
9945         PR tree-optimization/34244
9946         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
9947         (tree_expr_nonzero_warnv_p): Likewise.
9948         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
9949         ssa_name_nonnegative_p.
9950         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
9951         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
9952         not tree_expr_nonzero_warnv_p.
9953
9954         PR tree-optimization/36262
9955         Revert
9956         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
9957
9958         PR tree-optimization/34244
9959         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
9960         (record_numbers_of_iterations): New function.
9961         (execute_vrp): Cache the numbers of iterations of loops.
9962         * tree-scalar-evolution.c (scev_reset_except_niters):
9963         New function.
9964         (scev_reset): Use scev_reset_except_niters.
9965         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
9966
9967 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
9968
9969         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9970         __WORKAROUND_RETS when appropriate.
9971
9972 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9973
9974         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
9975         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
9976         mode iterator.
9977         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
9978         *fop_df_comm_sse insn patterns using MODEF mode iterator.
9979         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
9980         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
9981         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
9982         *fop_df_1_mixed insn patterns using MODEF mode iterator.
9983         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
9984         *fop_df_1_sse insn patterns using MODEF mode iterator.
9985         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
9986         *fop_df_1_i387 insn patterns using MODEF mode iterator.
9987         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
9988         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
9989         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
9990         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
9991         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
9992         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
9993         (*fop_xf_4_i387): Use <MODE> for mode attribute.
9994         (*fop_xf_5_i387): Ditto.
9995         (*fop_xf_6_i387): Ditto.
9996
9997 2008-05-30  Richard Guenther  <rguenther@suse.de>
9998
9999         * builtins.c (build_string_literal): Avoid generating
10000         a non-gimple_val result.
10001
10002 2008-05-30  DJ Delorie  <dj@redhat.com>
10003
10004         * exec-tool.in: Use an environment variable (private) instead of a
10005         file (shared) as a semaphore, so as to not break parallel builds.
10006
10007 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
10008
10009         * optabs.c (maybe_encapsulate_block): Remove.
10010         (emit_libcall_block): Adjust accordingly.
10011         * optabs.h (maybe_encapsulate_block): Remove prototype.
10012
10013         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
10014         Don't use maybe_encapsulate_block.
10015
10016 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
10017
10018         * config/rs6000/rs6000.c (rs6000_legitimize_address,
10019         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
10020         rtx is a SYMBOL_REF before calling get_pool_constant.
10021
10022 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
10023
10024         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
10025
10026 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
10027
10028         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
10029         rather than OS names to choose INO_T_EQ definition.
10030         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
10031         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
10032
10033 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
10034
10035         PR target/36348
10036         * config/darwin-f.c: New.
10037         * config/t-darwin: Added rule to build darwin-f.o.
10038         * config.gcc: Defined new variable, fortran_target_objs.
10039         (*-*-darwin*): Set fortran_target_objs.
10040         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
10041         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
10042         * configure: Regenerated.
10043
10044 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
10045
10046         PR target/35771
10047         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
10048         canonical type if needed.
10049
10050 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
10051
10052         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
10053
10054 2008-05-29  Richard Guenther  <rguenther@suse.de>
10055
10056         PR tree-optimization/36343
10057         PR tree-optimization/36346
10058         PR tree-optimization/36347
10059         * tree-flow.h (clobber_what_p_points_to): Declare.
10060         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
10061         pointed-to variable is dereferenced is irrelevant to whether
10062         the pointer can access the pointed-to variable.
10063         (clobber_what_p_points_to): New function.
10064         * tree-ssa-alias.c (set_initial_properties): Use it.
10065         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
10066         call clobber check for NMTs.
10067
10068 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
10069
10070         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
10071         for printing gcov_type.
10072
10073 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
10074
10075         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
10076         and the eh region information.
10077         * value-prof.c (gimple_move_stmt_histograms): New function.
10078         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
10079
10080 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
10081
10082         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
10083
10084 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
10085
10086         * value-prof.c (tree_ic_transform): Print counts.
10087         * tree-profile.c (tree_gen_ic_func_profiler):
10088         Clear __gcov_indreict_call_callee variable to avoid misattribution
10089         of the profile.
10090
10091 2008-05-28  Rafael Espindola  <espindola@google.com>
10092
10093         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
10094         invalid sharing.
10095
10096 2008-05-28  Richard Guenther  <rguenther@suse.de>
10097
10098         PR tree-optimization/36339
10099         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
10100         and clobbering code out of the loop.
10101
10102 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10103
10104         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
10105         letters defined.
10106
10107         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
10108         s390_contiguous_bitmask_p, s390_symref_operand_p,
10109         s390_check_symref_alignment, s390_reload_larl_operand,
10110         s390_reload_symref_address): New functions.
10111         (s390_branch_condition_mnemonic): Support compare and branch
10112         instructions.
10113         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
10114         and 'W' constraints.
10115         (s390_secondary_reload): Add secondary reloads for unaligned
10116         symbol refs or symbol refs to floating point or QI/TI mode
10117         integer values.
10118         (legitimate_address_p): Accept symbol references as addresses.
10119         (s390_expand_insv): Use rotate and insert selected bits
10120         instruction for insv when building for z10.
10121         (print_operand_address): Handle symbol ref addresses.
10122         (print_operand): Output modifier 'c' added for signed byte values.
10123         (s390_encode_section_info): Mark symbol refs with
10124         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
10125
10126         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
10127         (length attribute): RRF, RRR have 4 byte length.
10128         (FPALL, INTALL): New mode iterators added.
10129         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
10130         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
10131         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
10132         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
10133         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
10134         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
10135         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
10136         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
10137         instructions.
10138         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
10139         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
10140         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
10141         reload<INTALL:mode><P:mode>_toreg_z10,
10142         reload<FPALL:mode><P:mode>_tomem_z10,
10143         reload<FPALL:mode><P:mode>_toreg_z10,
10144         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
10145         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
10146         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
10147         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
10148         definition.
10149         (movmem, clrmem, cmpmem): New splitters added.
10150
10151         * config/s390/predicates.md (larl_operand): Use
10152         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
10153         SYMBOL_REF_ALIGN1_P.
10154         (s390_signed_integer_comparison,
10155         s390_unsigned_integer_comparison): New predicates.
10156
10157         * config/s390/s390-protos.h (s390_check_symref_alignment,
10158         s390_contiguous_bitmask_p, s390_reload_larl_operand,
10159         s390_reload_symref_address,
10160         s390_compare_and_branch_condition_mask): Prototypes added.
10161
10162         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
10163         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
10164         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
10165
10166 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10167
10168         * config/s390/s390.c (z10_cost): New cost function for z10.
10169         (s390_handle_arch_option, override_options): Support -march=z10 switch.
10170         (s390_issue_rate): Adjust issue rate for z10.
10171         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
10172         (processor_flags): Add PF_Z10.
10173         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
10174         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
10175         * gcc/config.gcc: Add z10.
10176
10177 2008-05-28  Richard Guenther  <rguenther@suse.de>
10178
10179         PR tree-optimization/36291
10180         * tree-flow. h (struct gimple_df): Remove var_anns member.
10181         * tree-flow-inline.h (gimple_var_anns): Remove.
10182         (var_ann): Simplify.
10183         * tree-dfa.c (create_var_ann): Simplify.
10184         (remove_referenced_var): Clear alias info from var_anns of globals.
10185         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
10186         (delete_tree_ssa): Clear alias info from var_anns of globals.
10187         Do not free var_anns.
10188         (var_ann_eq): Remove.
10189         (var_ann_hash): Likewise.
10190
10191 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
10192
10193         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
10194         and loongson2f entries.
10195         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
10196         * config/mips/mips.h (processor_type): Add Loongson-2E
10197         and Loongson-2F entries.
10198         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
10199         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
10200         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
10201         * doc/invoke.texi (MIPS Options): Document loongson2e
10202         and loongson2f processor names.
10203
10204 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
10205
10206         PR target/35767
10207         PR target/35771
10208         * config/i386/i386.c (ix86_function_arg_boundary): Use
10209         alignment of canonical type.
10210         (ix86_expand_vector_move): Check unaligned memory access for
10211         all SSE modes.
10212
10213 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
10214
10215         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
10216         Moved to the front of file.
10217
10218 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
10219             H.J. Lu  <hongjiu.lu@intel.com>
10220
10221         * dwarf2out.c (current_fde): New.
10222         (add_cfi): Use it.
10223         (lookup_cfa:): Likewise.
10224         (dwarf2out_end_epilogue): Likewise.
10225         (dwarf2out_note_section_used): Likewise.
10226
10227 2008-05-27  Michael Matz  <matz@suse.de>
10228
10229         PR c++/27975
10230         * c.opt (Wenum-compare): New warning option.
10231         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
10232
10233 2008-05-27  Michael Matz  <matz@suse.de>
10234
10235         PR middle-end/36326
10236         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
10237         non-BLKmode types.
10238         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
10239         into memory as tail calls.
10240
10241 2008-05-27  Richard Guenther  <rguenther@suse.de>
10242
10243         PR tree-optimization/36339
10244         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
10245         pointers cause all addressable variables to be call clobbered.
10246
10247 2008-05-27  Richard Guenther  <rguenther@suse.de>
10248
10249         PR tree-optimization/36245
10250         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
10251
10252 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10253
10254         * config/s390/s390.md: Replace all occurences of the 'm'
10255         constraint with 'RT'.
10256
10257 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10258
10259         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
10260         definitions added.
10261         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
10262         "*movdi_64".
10263         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
10264         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
10265         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
10266
10267 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10268
10269         * reload.c: (find_reloads): Skip alternatives according to the
10270         "enabled" attribute. Constify the constraint variable.
10271         * recog.c (get_attr_enabled): Add default implementation.
10272         (extract_insn): Set the alternative_enabled_p array
10273         in the recog_data struct.
10274         (preprocess_constraints, constrain_operands): Skip
10275         alternatives according to the "enabled" attribute
10276         * recog.h (struct recog_data): New field alternative_enabled_p.
10277         (skip_alternative): New inline function.
10278         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
10279         (record_reg_classes): Skip alternative according to the
10280         "enabled" attribute.
10281
10282         * doc/md.texi: Add documention for the "enabled" attribute.
10283
10284 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10285
10286         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
10287         * postreload.c (reload_cse_simplify_operands): Replace 'm'
10288         constraint with TARGET_MEM_CONSTRAINT.
10289         * recog.c (asm_operand_ok, preprocess_constraints,
10290         constrain_operands): Likewise.
10291         * regclass.c (record_reg_classes): Likewise.
10292         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
10293         * reload1.c (maybe_fix_stack_asms): Likewise.
10294         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
10295         * recog.h: Adjust comment.
10296         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
10297         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
10298         * doc/md.texi: Add a note to description of 'm' constraint.
10299         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
10300
10301 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
10302
10303         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
10304         that the bitfield is of integral type before testing its precision.
10305
10306 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
10307             Sa Liu  <saliu@de.ibm.com>
10308
10309         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
10310         __modti3, __udivti3, __umodti3 and __udivmodti4.
10311         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
10312         that implement TImode mul and div functions.
10313         * config/spu/multi3.c: New. Implement __multi3.
10314         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
10315         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
10316         functions on SPU.
10317
10318 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
10319
10320         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
10321         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
10322         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
10323         tls_sysv_suffix): New mode and mode attribute iterators.
10324         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
10325         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
10326         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
10327         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
10328         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
10329         iterators.
10330
10331 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
10332
10333         PR tree-optimization/36329
10334         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
10335         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
10336         * cgraphbuild.c (initialize_inline_failed): Use the latter
10337         macro in lieu of the former.
10338         * ipa-inline.c (cgraph_mark_inline): Likewise.
10339         (cgraph_decide_inlining_of_small_function): Likewise.
10340         (cgraph_decide_inlining): Likewise.
10341         (cgraph_decide_inlining_incrementally): Likewise.
10342
10343 2008-05-26  Tristan Gingold  <gingold@adacore.com>
10344             Anatoly Sokolov  <aesok@post.ru>
10345
10346         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
10347         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
10348         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
10349         optimization for 'avr6' architecture.
10350
10351 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
10352
10353         PR target/34932
10354         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
10355
10356 2008-05-26  Richard Guenther  <rguenther@suse.de>
10357
10358         * tree-ssa-sccvn.c (expr_has_constants): Declare.
10359         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
10360
10361 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
10362
10363         PR middle-end/36253
10364         * caller-save.c (insert_restore): Verify alignment of spill space.
10365         (insert_save): Likewise.
10366         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
10367         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
10368         (STACK_SLOT_ALIGNMENT): Likewise.
10369         * function.c (LOCAL_ALIGNMENT): Removed.
10370         (get_stack_local_alignment): New.
10371         (assign_stack_local): Use it.  Set alignment on stack slot.
10372         (assign_stack_temp_for_type): Use get_stack_local_alignment.
10373         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
10374         (STACK_SLOT_ALIGNMENT): New.
10375         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
10376         stack slot in XFmode.
10377
10378         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
10379
10380 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
10381
10382         PR/36321
10383         * config/i386/i386.md (allocate_stack_worker_64): Make sure
10384         argument operand in rax isn't removed.
10385
10386 2008-05-26  Richard Guenther  <rguenther@suse.de>
10387
10388         PR middle-end/36300
10389         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
10390         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
10391
10392 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10393
10394         PR bootstrap/36331
10395         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
10396
10397 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
10398
10399         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
10400         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
10401
10402 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
10403
10404         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
10405         build a trampoline if we don't want one.
10406         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
10407         return zero for nested functions if we don't want a trampoline.
10408
10409 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10410
10411         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
10412
10413 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10414
10415         PR fortran/18428
10416         * c.opt: Removed undocumented option '-lang-fortran'.
10417         * c-common.h: Removed global variable 'lang_fortran'.
10418         * c-opts.c (c_common_handle_option): Removed code to handle
10419         option '-lang-fortran'. Updated includes.
10420         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
10421         definition of '__GFORTRAN__'.
10422         (define__GNUC__): Reimplemented to use BASEVER and
10423         cpp_define_formatted.
10424         (builtin_define_with_value_n): Removed.
10425         * c-incpath.h: Renamed to ...
10426         * incpath.h: ... this.
10427         * c-incpath.c: Renamed to ...
10428         * incpath.c: ... this. Updated includes.
10429         * fix-header.c: Updated includes.
10430         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
10431         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
10432         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
10433
10434 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
10435
10436         * tree.h: Update the table of flags used on tree nodes.
10437         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
10438         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
10439         (FORCED_LABEL): Add access check.
10440         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
10441         (ASM_INPUT_P): Likewise.
10442         (ASM_VOLATILE_P): Likewise.
10443         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
10444         (OMP_SECTION_LAST): Access private_flag directly.
10445         (OMP_RETURN_NOWAIT): Likewise.
10446         (OMP_PARALLEL_COMBINED): Likewise.
10447         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
10448         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
10449         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
10450         deprecated_flag directly.
10451
10452 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
10453
10454         * final.c (frame_pointer_needed): Removed.
10455         * flags.h (frame_pointer_needed): Likewise.
10456
10457         * function.h (rtl_data): Add frame_pointer_needed.
10458         (frame_pointer_needed): New.
10459
10460 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
10461
10462         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
10463
10464 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
10465
10466         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
10467         SRC is a REG.
10468
10469 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
10470
10471         * c-common.c (strip_array_types): Move function to..
10472         * tree.c: ..here.
10473         (get_inner_array_type): Delete.
10474         * c-common.h (strip_array_types): Move declaration to..
10475         * tree.h: ..here.
10476         (get_inner_array_type): Delete.
10477         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
10478         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
10479         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
10480         * config/pa/pa.c (emit_move_sequence): Likewise.
10481
10482 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
10483
10484         * config/i386/i386.md (*sse_prologue_save_insn): Set length
10485         attribute to 34.
10486
10487 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
10488
10489         * function.c: Include target hook for nonlocal_goto frame value.
10490
10491 2008-05-24  Richard Guenther  <rguenther@suse.de>
10492
10493         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
10494         variable can be only accessed through a pointer or a union.
10495
10496 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10497
10498         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
10499         * doc/extend.texi: Likewise.
10500
10501 2008-05-23  DJ Delorie  <dj@redhat.com>
10502
10503         * config/m32c/jump.md (untyped_call): Add.
10504
10505         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
10506         for A24 to PSImode.
10507         (m32c_address_cost): Detail costs for indirect offsets.
10508
10509 2008-05-23  Rafael Espindola  <espindola@google.com>
10510
10511         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
10512         if a node is a SUBREG.
10513         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
10514         is a SUBREG.
10515
10516 2008-05-23  Paul Brook  <paul@codesourcery.com>
10517             Carlos O'Donell  <carlos@codesourcery.com>
10518
10519         * doc/extend.texi: Clarify use of __attribute__((naked)).
10520         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10521         * target.h (gcc_target): Add allocate_stack_slots_for_args.
10522         * function.c (use_register_for_decl): Use
10523         targetm.calls.allocate_stack_slots_for_args.
10524         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10525         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
10526         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
10527
10528 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
10529
10530         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
10531
10532 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
10533
10534         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
10535         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
10536         is only rounded once.
10537
10538 2008-05-23  Richard Guenther  <rguenther@suse.de>
10539
10540         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
10541
10542 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
10543             Jakub Jelinek  <jakub@redhat.com>
10544
10545         PR target/36079
10546         * configure.ac: Handle --enable-cld.
10547         * configure: Regenerated.
10548         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
10549         * config/i386/i386.h (struct machine_function): Add needs_cld field.
10550         (ix86_current_function_needs_cld): New define.
10551         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
10552         (cld): New isns pattern.
10553         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
10554         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
10555         * config/i386/i386.opt (mcld): New option.
10556         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
10557         TARGET_CLD and ix86_current_function_needs_cld.
10558         (override_options): Use -mcld by default for 32-bit code if
10559         USE_IX86_CLD.
10560
10561         * doc/install.texi (Options specification): Document --enable-cld.
10562         * doc/invoke.texi (Machine Dependent Options)
10563         [i386 and x86-64 Options]: Add -mcld option.
10564         (Intel 386 and AMD x86-64 Options): Document -mcld option.
10565
10566 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
10567         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
10568         (return_in_memory_64): Likewise.
10569         (return_in_memory_ms_64): Likewise.
10570
10571 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10572
10573         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
10574         * builtins.c (fold_builtin_fpclassify): New.
10575         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
10576         * builtins.def (BUILT_IN_FPCLASSIFY): New.
10577         * c-common.c (handle_type_generic_attribute): Adjust to accept
10578         fixed arguments before an elipsis.
10579         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
10580         * doc/extend.texi: Document __builtin_fpclassify.
10581
10582 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
10583
10584         * omp-low.c (gate_expand_omp_ssa): Remove.
10585         (pass_expand_omp_ssa): Remove.
10586         (gate_expand_omp): Do not check for flag_openmp_ssa.
10587         * common.opt (-fopenmp-ssa): Remove.
10588         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
10589
10590 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
10591
10592         * config/sh/sh.opt (mfixed-range): New option.
10593         * config/sh/sh-protos.h (sh_fix_range): Declare.
10594         * config/sh/sh.c (sh_fix_range): New function.
10595         * config/sh/sh.h (sh_fixed_range_str): Declare.
10596         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
10597         is not empty.
10598         * doc/invoke.texi (SH Options): Document -mfixed-range.
10599
10600 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
10601
10602         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
10603         it before the redeclaration.
10604
10605 2008-05-22  Anatoly Sokolov <aesok@post.ru>
10606
10607         * config/avr/avr.c (get_sequence_length): Add new function.
10608         (expand_prologue, expand_epilogue): Remove duplicate code.
10609
10610 2008-05-22  Rafael Espindola  <espindola@google.com>
10611
10612         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
10613         sharing.
10614
10615 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
10616
10617         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
10618         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
10619
10620         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
10621         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
10622         (vect_update_misalignment_for_peel): Likewise.
10623         (vector_alignment_reachable_p): Likewise.
10624         * tree-vect-transform.c (vectorizable_load): Likewise.
10625         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
10626         (get_vectype_for_scalar_type): Pass mode of scalar_type
10627         to UNITS_PER_SIMD_WORD.
10628
10629         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
10630         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
10631         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
10632         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
10633         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
10634
10635 2008-05-22  Ira Rosen  <irar@il.ibm.com>
10636
10637         PR tree-optimization/36293
10638         * tree-vect-transform.c (vect_transform_strided_load): Don't check
10639         if the first load must be skipped because of a gap.
10640
10641 2008-05-22  Richard Guenther  <rguenther@suse.de>
10642
10643         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
10644         more cases of offset disambiguation that is possible if
10645         strict-aliasing rules apply.
10646         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
10647         for basic offset and type-based disambiguation.
10648
10649 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10650
10651         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
10652         ix86_expand_vector_set on V16QImode for SSE4.1.
10653
10654 2008-05-21  Tom Tromey  <tromey@redhat.com>
10655
10656         * c.opt (Wimport): Mark as undocumented.
10657         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
10658         -Wno-import.
10659         (Warning Options): Likewise.
10660         * doc/cppopts.texi: Don't mention -Wimport.
10661
10662 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
10663
10664         PR tree-optimization/36287
10665         PR tree-optimization/36286
10666         * lambda-code.c (build_access_matrix): Do not use the loop->num
10667         for computing the number of induction variables: use the loop depth
10668         instead.
10669
10670 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
10671
10672         PR/36280
10673         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
10674         option -f(no-)leading-underscore.
10675
10676 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10677
10678         * config/i386/i386.c (ix86_expand_vector_init_general): Use
10679         GET_MODE_NUNITS (mode).
10680
10681 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
10682
10683         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
10684         (-mmulhw): Add 464 to description.
10685         (-mdlmzb): Likewise.
10686         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
10687         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
10688         464fp entries.
10689         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
10690         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
10691         * config/rs6000/rs6000.md: Update comments for 464.
10692
10693 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
10694
10695         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
10696
10697 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10698
10699         * config/i386/sse.md (vec_extractv4sf): Removed.
10700         (vec_extractv2df): Likewise.
10701         (vec_extractv2di): Likewise.
10702         (vec_extractv4si): Likewise.
10703         (vec_extractv8hi): Likewise.
10704         (vec_extractv16qi): Likewise.
10705         (vec_extract<mode>): New.
10706
10707 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10708
10709         * config/i386/sse.md (vec_setv4sf): Removed.
10710         (vec_setv2df): Likewise.
10711         (vec_setv2di): Likewise.
10712         (vec_setv4si): Likewise.
10713         (vec_setv8hi): Likewise.
10714         (vec_setv16qi): Likewise.
10715         (vec_set<mode>): New.
10716
10717 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10718
10719         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
10720         goto for vec_concat and vec_interleave.
10721
10722 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10723
10724         * config/i386/sse.md (vec_initv4sf): Removed.
10725         (vec_initv2df): Likewise.
10726         (vec_initv2di): Likewise.
10727         (vec_initv4si): Likewise.
10728         (vec_initv8hi): Likewise.
10729         (vec_initv16qi): Likewise.
10730         (vec_init<mode>): New.
10731
10732 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
10733
10734         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
10735
10736 2008-05-21  Tom Tromey  <tromey@redhat.com>
10737
10738         * ggc-zone.c (lookup_page_table_if_allocated): New function.
10739         (zone_find_object_offset): Likewise.
10740         (gt_ggc_m_S): Likewise.
10741         (highest_bit): Likewise.
10742         * ggc-page.c (gt_ggc_m_S): New function.
10743         * stringpool.c (string_stack): Remove.
10744         (init_stringpool): Update.
10745         (ggc_alloc_string): Use ggc_alloc.
10746         (maybe_delete_ident): New function.
10747         (ggc_purge_stringpool): Likewise.
10748         (gt_ggc_m_S): Remove.
10749         * ggc-common.c (ggc_protect_identifiers): New global.
10750         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
10751         ggc_protect_identifiers.
10752         * ggc.h (ggc_protect_identifiers): Declare.
10753         (gt_ggc_m_S): Update.
10754         (ggc_purge_stringpool): Declare.
10755         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
10756         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
10757         special case.
10758         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
10759
10760 2008-05-21  David S. Miller  <davem@davemloft.net>
10761
10762         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
10763         tmake_file.
10764
10765 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
10766
10767         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
10768         once finished.
10769
10770 2008-05-20  David Daney  <ddaney@avtrex.com>
10771
10772         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
10773         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
10774         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
10775         UNSPEC_UPDATE_GOT_VERSION): Renumber.
10776         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
10777         (atomic_hiqi_op): New define_code_iterator.
10778         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
10779         mips_expand_compare_and_swap_12.
10780         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
10781         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
10782         (sync_<optab><mode>, sync_old_<optab><mode>,
10783         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
10784         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
10785         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
10786         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
10787         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
10788         (test_and_set_12): New insn.
10789         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
10790         sync_new_<optab><mode>, sync_old_nand<mode>,
10791         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
10792         clobber to operand 0 for SI and DI mode insns.
10793         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
10794         mips_gen_fn_4): New typedefs.
10795         (mips_gen_fn_ptrs): Define new union type.
10796         (mips_expand_compare_and_swap_12): Remove declaration.
10797         (mips_expand_atomic_qihi): Declare function.
10798         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
10799         (mips_expand_atomic_qihi): ... this.  Use new generator function
10800         parameter.
10801         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
10802         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
10803         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
10804         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
10805         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
10806         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
10807         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
10808         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
10809         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
10810         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
10811         New macros.
10812
10813 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
10814
10815         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
10816         the missing break.
10817
10818 2008-05-20  Anatoly Sokolov <aesok@post.ru>
10819
10820         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
10821         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
10822         (avr_attribute_table): Add 'OS_main' function attribute.
10823         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
10824         functions with 'OS_main' attribute.
10825
10826 2008-05-20  Richard Guenther  <rguenther@suse.de>
10827
10828         PR tree-optimization/35204
10829         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
10830         helper, split out from ...
10831         (DFS): ... here.  Make the DFS walk non-recursive.
10832
10833 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
10834             Jan Sjodin  <jan.sjodin@amd.com>
10835
10836         PR tree-optimization/36181
10837         * tree-parloops.c (loop_has_vector_phi_nodes): New.
10838         (parallelize_loops): Don't parallelize when the loop has vector
10839         phi nodes.
10840
10841 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10842             Sebastian Pop  <sebastian.pop@amd.com>
10843
10844         * tree-loop-linear.c (gather_interchange_stats): Look in the access
10845         matrix, and never look at the tree representation of the memory
10846         accesses.
10847         (linear_transform_loops): Computes parameters and access matrices.
10848         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
10849         when fails.
10850         (access_matrix_get_index_for_parameter): New.
10851         * tree-data-ref.h (struct access_matrix): New.
10852         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
10853         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
10854         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
10855         am_vector_index_for_loop): New.
10856         (struct data_reference): Add field access_matrix.
10857         (DR_ACCESS_MATRIX): New.
10858         (compute_data_dependences_for_loop): Update declaration.
10859         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
10860         * lambda.h (lambda_vector_vec_p): Declared.
10861         * lambda-code.c: Depend on pointer-set.h.
10862         (lambda_collect_parameters_from_af, lambda_collect_parameters,
10863         av_for_af_base, av_for_af, build_access_matrix,
10864         lambda_compute_access_matrices): New.
10865         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
10866
10867 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
10868
10869         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
10870         $SOURCEDIR/include.
10871
10872 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10873             Sebastian Pop  <sebastian.pop@amd.com>
10874
10875         PR tree-optimization/36206
10876         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
10877         FOLD_CONVERSIONS.
10878         (instantiate_scev_1): Rename flags to fold_conversions.
10879         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
10880         outeside instantiation_loop.
10881         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
10882         (evolution_function_is_affine_or_constant_p): Removed.
10883         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
10884         instantiate_scev.
10885         (analyze_siv_subscript): Pass in the loop nest number.
10886         Call evolution_function_is_affine_in_loop instead of
10887         evolution_function_is_affine_p.
10888         (analyze_overlapping_iterations): Pass in the loop nest number.
10889
10890 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10891             Sebastian Pop  <sebastian.pop@amd.com>
10892
10893         PR tree-optimization/36206
10894         * tree-chrec.h (chrec_fold_op): New.
10895         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
10896         and other trees.
10897
10898 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
10899
10900         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
10901         (DIRS_EQ): New.
10902         (remove_duplicates): Do not set inode on non-inode systems.
10903         Use DIRS_EQ.
10904
10905 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
10906
10907         * config.gcc (tm_file): Update comments about relative pathnames.
10908
10909 2008-05-20  Richard Guenther  <rguenther@suse.de>
10910
10911         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
10912         * tree-ssa-sccvn.c (process_scc): Likewise.
10913         * tree-ssa-sink.c (execute_sink_code): Likewise.
10914         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
10915         * tree-vrp.c (process_assert_insertions): Likewise.
10916         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
10917         (perform_tree_ssa_dce): Likewise.
10918         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
10919         (dump_dominator_optimization_stats): Likewise.
10920         * tree-vectorizer.c (vectorize_loops): Likewise.
10921
10922 2008-05-20  Richard Guenther  <rguenther@suse.de>
10923
10924         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
10925
10926 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
10927
10928         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
10929         (ix86_i386elf_return_in_memory): Likewise.
10930         (ix86_i386interix_return_in_memory): Likewise.
10931         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
10932         (SUBTARGET_RETURN_IN_MEMORY): New.
10933         * config/i386/i386elf.h: Likewise.
10934         * config/i386/ptx4-i.h: Likewise.
10935         * config/i386/sol2-10.h: Likewise.
10936         * config/i386/sysv4.h: Likewise.
10937         * config/i386/vx-common.h: Likewise.
10938         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
10939         * config/i386/i386.c (ix86_return_in_memory): Made static and
10940         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
10941         (ix86_i386elf_return_in_memory): Removed.
10942         (ix86_i386interix_return_in_memory): Removed.
10943         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
10944         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
10945
10946 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
10947
10948         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
10949
10950 2008-05-19  Xinliang David Li  <davidxl@google.com>
10951
10952         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
10953         * opts.c: Ditto.
10954         * common.opt: Ditto.
10955         * doc/invoke.texi: Ditto.
10956
10957 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
10958
10959         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
10960         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
10961
10962 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10963
10964         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
10965         sizes of operand array from 8/4 to 4/2.
10966         (ix86_expand_vector_init_general): Change size of operand array
10967         from 32 to 16.  Remove op0, op1 and half_mode.
10968
10969 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10970
10971         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
10972         (ix86_expand_vector_init_interleave): Likewise.
10973         (ix86_expand_vector_init_general): Use them.  Assert
10974         word_mode == SImode when n_words == 4.
10975
10976 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
10977
10978         * config/i386/i386.c (ix86_secondary_reload): New static function.
10979         (TARGET_SECONDARY_RELOAD): New define.
10980         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
10981         * config/i386/i386.md (reload_outqi): Remove.
10982
10983 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10984
10985         PR middle-end/35509
10986         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
10987         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
10988         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
10989         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
10990         (fold_builtin_1): Likewise.
10991         * builtins.def (BUILT_IN_ISINF_SIGN): New.
10992         c-common.c (check_builtin_function_arguments): Handle
10993         BUILT_IN_ISINF_SIGN.
10994         * doc/extend.texi: Document __builtin_isinf_sign.
10995         * fold-const.c (operand_equal_p): Handle COND_EXPR.
10996
10997 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
10998
10999         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
11000         EH cleanup at the end of the pass, search for those that have been
11001         turned into forwarder blocks and do the cleanup on their successor.
11002
11003 2008-05-18  Richard Guenther  <rguenther@suse.de>
11004
11005         * tree-cfg.c (verify_gimple_expr): Allow conversions from
11006         pointers to sizetype and vice versa.
11007
11008 2008-05-18 Xinliang David Li   <davidxl@google.com>
11009
11010         * gcc/tree-ssa-dce.c: Coding style fix.
11011         (check_pow): Documentation comment.
11012         (check_log): Documenation comment. Coding style fix.
11013         (is_unnecessary_except_errno_call): Ditto.
11014         (gen_conditions_for_pow): Ditto.
11015         (gen_conditions_for_log): Ditto.
11016         (gen_shrink_wrap_conditions): Ditto.
11017         (shrink_wrap_one_built_in_calls): Ditto.
11018         * gcc/doc/invoke.texi: Better documentation string.
11019         * ChangeLog: Fix wrong change log entries from
11020         May 17 checkin on function call DCE.
11021
11022 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
11023
11024         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
11025
11026 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
11027
11028         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
11029         * df-problems.c (simulation routines): Fixed block comment to
11030         properly say how to add forwards scanning functions.
11031
11032 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
11033
11034         * tree-inline.c (setup_one_parameter): Remove dead code.
11035
11036 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
11037
11038         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
11039         a BIT_AND_EXPR only for an INTEGER_TYPE.
11040
11041 2008-05-17 Xinliang David Li   <davidxl@google.com>
11042
11043         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
11044         (check_pow, check_log, is_unnecessary_except_errno_call): New
11045         functions to check for eliminating math functions that are pure
11046         except for setting errno.
11047         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
11048         general condition expressions for shrink-wrapping pow/log calls.
11049         (gen_shrink_wrap_conditions): Ditto.
11050         (shrink_wrap_one_built_in_call): Ditto.
11051         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
11052         (mark_operand_necessary): If debugging, output if OP is necessary.
11053         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
11054         unnecessary.
11055         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
11056         opt level >= 2.
11057         * gcc/common.opt: New user flag -ftree-builtin-dce.
11058         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
11059
11060 2008-05-16  David S. Miller  <davem@davemloft.net>
11061
11062         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
11063         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
11064
11065 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
11066
11067         PR target/36246
11068         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
11069
11070 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11071
11072         * ifcvt.c (dead_or_predicable): Rename
11073         df_simulate_one_insn_backwards to df_simulate_one_insn.
11074         * recog.c (peephole2_optimize): Ditto.
11075         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
11076         Ditto.
11077         * df.h: Rename df_simulate_one_insn_backwards to
11078         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
11079         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
11080         scanning of defs and uses.
11081         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
11082         (df_simulate_one_insn_forwards): Removed.
11083
11084 2008-05-16  Doug Kwan  <dougkwan@google.com>
11085
11086         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
11087         QNaN & SNaN.
11088         (real_from_string): Handle NaNs and Inf as approriate.
11089
11090 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
11091
11092         * doc/gty.texi (Source Files Containing Type Information): Note
11093         that headers should appear first in the gtfiles list.
11094
11095 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11096
11097         * tree.def (COND_EXEC): Properly documented this code.
11098
11099 2008-05-16  Diego Novillo  <dnovillo@google.com>
11100
11101         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
11102         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
11103         the new field.
11104
11105 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11106
11107         * tree-ssa-dse (max_stmt_uid): Removed.
11108         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
11109         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
11110         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
11111         * function.h (cfun.last_stmt_uid): New field.
11112         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
11113         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
11114         New functions.
11115         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
11116         (create_stmt_ann): Initialize the ann->uid field.
11117         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
11118         with new calls.
11119         * tree-flow.h (renumber_gimple_stmt_uids): New function.
11120
11121 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
11122
11123         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
11124         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
11125         (init_empty_tree_cfg): Call it.
11126
11127 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11128
11129         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
11130         Update all users.
11131
11132 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11133
11134         * doc/invoke.text (-fdump-tree-*-verbose): New option.
11135         * tree-dump.c (dump_options): New verbose option.
11136         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
11137         Add verbose dump.
11138         * tree-pass.h (TDF_VERBOSE): New dump flag.
11139         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
11140         (tree-flow.h): Added include.
11141         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
11142
11143 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
11144
11145         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
11146
11147         From Jie Zhang  <jie.zhang@analog.com>
11148         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
11149         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
11150         mcpu=bf561-none and mcpu=bf561-0.2.
11151         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
11152         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
11153         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
11154         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
11155         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
11156         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
11157         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
11158         option.
11159         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
11160         (cputype_selected): Remove.
11161         (bfin_handle_option): Don't use cputype_selected.
11162         (override_options): When no mcpu option, enable all workarounds.
11163         Don't use bfin_workarounds.
11164         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
11165         processor type.
11166         (DEFAULT_CPU_TYPE): Don't define.
11167
11168 2008-05-16  Richard Guenther  <rguenther@suse.de>
11169
11170         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
11171         on deletion of the last stmt.
11172
11173 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
11174
11175         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
11176         V8HImode for SSE2 and V16QImode for SSE4.1.
11177
11178 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
11179
11180         * cgraph.h (compute_inline_parameters): Made public.
11181         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
11182         variable_generate_summary, function_write_summary,
11183         variable_write_summary, variable_read_summary.  Added generate_summary,
11184         write_summary, read_summary.
11185         * cgraphunit.c (cgraph_process_new_functions): Changed call from
11186         pass_ipa_inline.function_generate_summary, to
11187         compute_inline_parameters.
11188         * ipa-inline.c (compute_inline_parameters): Made public and added
11189         node parameter.
11190         (compute_inline_parameters_for_current): New function.
11191         (pass_inline_param): Now calls compute_inline_parameters_for_current.
11192         (inline_generate_summary): Removed parameter and made to loop over
11193         all cgraph nodes.
11194         (pass_ipa_inline): Updated for new IPA_PASS structure.
11195         * passes.c (execute_ipa_summary_passes): Now is called once per
11196         pass rather than once per node*pass.
11197
11198 2008-05-15  Anatoly Sokolov <aesok@post.ru>
11199
11200         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
11201         avr_have_mul_p, avr_asm_only_p): Remove variables.
11202         (avr_override_options): Remove initialization of removed variables.
11203         (avr_file_start):  Convert removed variables to fields of
11204         'struct base_arch_s *avr_current_arch'.
11205         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
11206         (AVR_HAVE_MUL): (Ditto.).
11207         (AVR_HAVE_MOVW): (Ditto.).
11208         (AVR_HAVE_LPMX): (Ditto.).
11209         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
11210         avr_asm_only_p): Remove declaration.
11211
11212 2008-05-15  Diego Novillo  <dnovillo@google.com>
11213
11214         * config/arm/arm.c (arm_return_in_memory): Fix return type.
11215         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
11216
11217 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
11218
11219         PR middle-end/36194
11220         * combine.c (check_conversion): Rename back to check_promoted_subreg.
11221         Don't call record_truncated_value from here.
11222         (record_truncated_value): Turn it into a for_each_rtx callback.
11223         (record_truncated_values): New function.
11224         (combine_instructions): Call note_uses with record_truncated_values.
11225         Change name of check_conversion to check_promoted_subreg.
11226
11227 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
11228
11229         * doc/sourcebuild.texi: Document support for torture tests.
11230
11231 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
11232
11233         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
11234         to alternative 4 of operand 2.
11235
11236 2008-05-15  Richard Guenther  <rguenther@suse.de>
11237
11238         * tree-pass.h (current_pass): Declare.
11239         (get_pass_for_id): Likewise.
11240         * passes.c (passes_by_id, passes_by_id_size): New globals.
11241         (set_pass_for_id): New function.
11242         (get_pass_for_id): Likewise.
11243         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
11244         (execute_function_todo): Flush per function statistics.
11245         * toplev.c (compile_file): Init statistics.
11246         (general_init): Do early statistics initialization.
11247         (finalize): Finish statistics.
11248         * statistics.h (statistics_early_init): Declare.
11249         (statistics_init): Likewise.
11250         (statistics_fini): Likewise.
11251         (statistics_fini_pass): Likewise.
11252         (statistics_counter_event): Likewise.
11253         (statistics_histogram_event): Likewise.
11254         * statistics.c: New file.
11255         * Makefile.in (OBJS-common): Add statistics.o.
11256         (statistics.o): Add dependencies.
11257         * doc/invoke.texi (-fdump-statistics): Document.
11258
11259         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
11260         (insert): Likewise.
11261         (execute_pre): Use statistics_counter_event.
11262         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
11263         (substitute_and_fold): Increment it.  Use statistics_counter_event.
11264
11265 2008-05-15  Diego Novillo  <dnovillo@google.com>
11266
11267         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
11268
11269         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
11270         * tree-ssa-alias.c (new_type_alias): Remove references to
11271         sub-variables from comment.
11272         * tree-ssa-operands.c (swap_tree_operands): Likewise.
11273
11274 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
11275
11276         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
11277         attribute to 1 only for insertps alternative.
11278
11279 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
11280
11281         * config/bfin/bfin.md (loadbytes): New pattern.
11282         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
11283         (bfin_init_builtins): Initialize it.
11284         (bdesc_1arg): Add it.
11285
11286 2008-05-15  Sa Liu  <saliu@de.ibm.com>
11287
11288         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
11289         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
11290         * testsuite/lib/target-supports.exp: Add
11291         check_effective_target_fortran_integer_16.
11292
11293 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
11294
11295         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
11296         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
11297         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
11298         (TARGET_RETURN_IN_MEMORY): Define.
11299
11300 2008-05-15  Richard Guenther  <rguenther@suse.de>
11301
11302         PR middle-end/36244
11303         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
11304         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
11305         represent unmodifiable vars.
11306
11307 2008-05-15  Richard Guenther  <rguenther@suse.de>
11308
11309         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
11310         INDIRECT_REF and TARGET_MEM_REF.
11311         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
11312         TARGET_MEM_REF.
11313
11314 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
11315             H.J. Lu  <hongjiu.lu@intel.com>
11316
11317         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
11318         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
11319         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
11320         insn alternatives.  Add missing alternatives.
11321         (*vec_concatv2di_rex64_sse4_1): Likewise.
11322         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
11323         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
11324         Require TARGET_SSE.
11325
11326 2008-05-15  Richard Guenther  <rguenther@suse.de>
11327
11328         PR tree-optimization/36009
11329         PR tree-optimization/36204
11330         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
11331         (determine_invariantness_stmt): Record the loop a store is
11332         always executed in.
11333         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
11334         dependency.
11335
11336 2008-05-15  Richard Guenther  <rguenther@suse.de>
11337
11338         PR tree-optimization/34330
11339         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
11340         through the pointer will alias the SMT.
11341
11342 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
11343
11344         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
11345
11346 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
11347
11348         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
11349
11350 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11351             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
11352
11353         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
11354         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
11355         (vashl_optab): New optab for vector/vector shifts.
11356         (vashr_optab): Ditto.
11357         (vlshr_optab): Ditto.
11358         (vrotl_optab): Ditto.
11359         (vrotr_optab): Ditto.
11360         (optab_subtype): New enum for optab_for_tree_code call.
11361         (optab_for_tree_code): Add enum optab_subtype argument.
11362
11363         * optabs.c (optab_for_tree_code): Take an additional argument to
11364         distinguish between a vector shift by a scalar and vector shift by
11365         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
11366         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
11367         vector shift by a vector.
11368         (expand_widen_pattern_expr): Pass additional argument to
11369         optab_for_tree_code.
11370
11371         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
11372         vrotl_optab, vrotr_optab.
11373
11374         * expr.c (expand_expr_real_1): Update calls to
11375         optab_for_tree_code to distinguish between vector shifted by a
11376         scalar and vector shifted by a vector.
11377         * tree-vectorizer.c (supportable_widening_operation): Ditto.
11378         (supportable_narrowing_operation): Ditto.
11379         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
11380         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
11381         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
11382         (vect_create_epilog_for_reduction): Ditto.
11383         (vectorizable_reduction): Ditto.
11384         (vectorizable_operation): Ditto.
11385         (vect_strided_store_supported): Ditto.
11386         (vect_strided_load_supported): Ditto.
11387         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
11388         * expmed.c (expand_shift): Ditto.
11389
11390         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
11391         scalar type.
11392         (ashr@var{m}3): Ditto.
11393         (vashl@var{m}3): Document new vector/vector shift standard name.
11394         (vashr@var{m}3): Ditto.
11395         (vlshr@var{m}3): Ditto.
11396         (vrotl@var{m}3): Ditto.
11397         (vrotr@var{m}3): Ditto.
11398
11399         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
11400         (PPERM_INVERT): Ditto.
11401         (PPERM_REVERSE): Ditto.
11402         (PPERM_REV_INV): Ditto.
11403         (PPERM_ZERO): Ditto.
11404         (PPERM_ONES): Ditto.
11405         (PPERM_SIGN): Ditto.
11406         (PPERM_INV_SIGN): Ditto.
11407         (PPERM_SRC1): Ditto.
11408         (PPERM_SRC2): Ditto.
11409
11410         * config/i386/sse.md (mulv2di3): Add SSE5 support.
11411         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
11412         allows a memory operand to be the value being added, and split it
11413         to improve vectorization.
11414         (sse5_pmacsdqh_mem): Ditto.
11415         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
11416         (sse5_mulv2div2di3_high): Ditto.
11417         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
11418         (vec_pack_trunc_v4si): Ditto.
11419         (vec_pack_trunc_v2di): Ditto.
11420         (sse5_pcmov_<mode>): Remove code that tried to use use
11421         andps/andnps instead of pcmov.
11422         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
11423         pmacsdqh instructions.
11424         (vec_widen_smult_lo_v4si): Ditto.
11425
11426         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
11427         (PPERM_INVERT): Ditto.
11428         (PPERM_REVERSE): Ditto.
11429         (PPERM_REV_INV): Ditto.
11430         (PPERM_ZERO): Ditto.
11431         (PPERM_ONES): Ditto.
11432         (PPERM_SIGN): Ditto.
11433         (PPERM_INV_SIGN): Ditto.
11434         (PPERM_SRC1): Ditto.
11435         (PPERM_SRC2): Ditto.
11436         (ix86_expand_sse_movcc): Move the SSE5 test after the if
11437         true/false tests.
11438         (ix86_expand_int_vcond): If SSE5 generate all possible integer
11439         comparisons.
11440         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
11441         says ignore whether the last reference is a memory operand.
11442
11443 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11444             Paolo Bonzini <bonzini at gnu dot org>
11445
11446         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
11447         shift patterns.
11448
11449         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
11450         (vlshr<mode>3): Rename from vlshr<mode>3.
11451         (vashr<mode>3): Rename from vashr<mode>3.
11452         (mulv4sf3): Change the names of vector shift patterns.
11453         (mulv4si3): Ditto.
11454         (negv4sf2): Ditt.
11455
11456         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
11457         shift insns.
11458
11459         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
11460         (SI_SHLHI): Ditto.
11461         (SI_SHL): Ditto.
11462         (SI_SHLI): Ditto.
11463         (SI_ROTH): Ditto.
11464         (SI_ROTHI): Ditto.
11465         (SI_ROT): Ditto.
11466         (SI_ROTI): Ditto.
11467         (SPU_RL_0): Ditto.
11468         (SPU_RL_1): Ditto.
11469         (SPU_RL_2): Ditto.
11470         (SPU_RL_3): Ditto.
11471         (SPU_RL_4): Ditto.
11472         (SPU_RL_5): Ditto.
11473         (SPU_RL_6): Ditto.
11474         (SPU_RL_7): Ditto.
11475         (SPU_SL_0): Ditto.
11476         (SPU_SL_1): Ditto.
11477         (SPU_SL_2): Ditto.
11478         (SPU_SL_3): Ditto.
11479         (SPU_SL_4): Ditto.
11480         (SPU_SL_5): Ditto.
11481         (SPU_SL_6): Ditto.
11482         (SPU_SL_7): Ditto.
11483
11484         * config/spu/spu.md (v): New iterator macro to add v for vector types.
11485         (floatunssidf2_internal): Change vector/vector shift names.
11486         (floatunsdidf2_internal): Ditto.
11487         (mulv8hi3): Ditto.
11488         (ashrdi3): Ditto.
11489         (ashrti3): Ditto.
11490         (cgt_df): Ditto.
11491         (cgt_v2df): Ditto.
11492         (dftsv): Ditto.
11493         (vashl<mode>3): Rename from ashl<mode>3.
11494         (vashr<mode>3): Rename from ashr<mode>3.
11495         (vlshr<mode>3): Rename from lshr<mode>3.
11496         (vrotl<mode>3): Rename from rotl<mode>3.
11497
11498 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11499
11500         PR target/36224
11501         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
11502         multiply gives the wrong value when doing widening multiplies.
11503         (vec_widen_smult_lo_v4si): Ditto.
11504
11505 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11506
11507         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
11508         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
11509         emit_library_call_value.
11510         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
11511         * tree.h (ECF_LIBCALL_BLOCK): Removed.
11512         * calls.c (initialize_argument_information, precompute_arguments,
11513         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
11514         (precompute_arguments): Removed flags parameter.
11515         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
11516
11517 2008-05-14  Richard Guenther  <rguenther@suse.de>
11518
11519         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
11520         Make sure to register the store if the use is a PHI_NODE.
11521
11522 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11523
11524         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
11525         memory if the component is to be referenced in BLKmode according
11526         to get_inner_reference.
11527
11528 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
11529
11530         * calls.c (emit_library_call_value_1): Restore code clearing
11531         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
11532
11533 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11534             Nicolas Roche  <roche@adacore.com>
11535
11536         * configure.ac: Add support for a "gcc_subdir" variable in
11537         config-lang.in, to denote a subdirectory where the language/GCC
11538         integration files are to be found.
11539         * configure: Regenerate.
11540
11541 2008-05-14  Ira Rosen  <irar@il.ibm.com>
11542
11543         PR tree-optimization/36098
11544         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
11545         value for the first load in the group in case of a gap.
11546         (vect_build_slp_tree): Check that there are no gaps in loads.
11547
11548 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11549
11550         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
11551         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
11552         expand_copysign_bit, ): Change call to emit_no_conflict_block to
11553         emit_insn and remove unneeded code to construct extra args.
11554         (emit_no_conflict_block): Removed.
11555         * optabls.h: (emit_no_conflict_block): Removed.
11556         * cse.c (cse_extended_basic_block): Remove search for
11557         REG_NO_CONFLICT note.
11558         * global.c: Removed incorrect comment added in revision 117.
11559         * expr.c (convert_move): Change call to emit_no_conflict_block to
11560         emit_insn.
11561         * recog.c: Change comments so that they do not mention
11562         REG_NO_CONFLICT.
11563         * local_alloc.c (combine_regs): Removed last parameter.
11564         (no_conflict_p): Removed.
11565         (block_alloc): Removed note, no_conflict_combined_regno and set
11566         local vars. Removed all code to process REG_NO_CONFLICT blocks.
11567         (combine_regs): Removed already_dead and code to look for
11568         REG_NO_CONFLICT notes.
11569         * lower_subreg (remove_retval_note): Removed code to look for
11570         REG_NO_CONFLICT block.
11571         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
11572         (resolve_clobber): Remove code to process libcalls that have
11573         REG_NO_CONFLICT notes.
11574         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
11575         case.
11576         * combine.c (can_combine_p, distribute_notes):  Removed
11577         REG_NO_CONFLICT case.
11578         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
11579         to emit_insns.
11580         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
11581         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
11582         Ditto.
11583         * reg-notes.def (NO_CONFLICT): Removed.
11584
11585 2008-05-14  David S. Miller  <davem@davemloft.net>
11586
11587         * config/sparc/sparc.c (sparc_profile_hook): If
11588         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
11589         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
11590         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
11591
11592 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11593
11594         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
11595
11596 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
11597
11598         PR target/36222
11599         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
11600         and op1 expansion before vector concat to have less live pseudos.
11601
11602 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
11603
11604         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
11605         ix86_expand_vector_set if supported.
11606
11607 2008-05-13  Diego Novillo  <dnovillo@google.com>
11608             Kenneth Zadeck  <zadeck@naturalbridge.com>
11609
11610         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
11611
11612         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
11613         phinodes_print_statistics, init_ssanames, fini_ssanames,
11614         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
11615         release_ssa_name, release_defs, replace_ssa_name_symbol,
11616         ssanames_print_statistics): Move ...
11617         * tree-flow.h: ... here.
11618         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
11619         Use FN instead of cfun.
11620         (make_ssa_name_fn): Rename from make_ssa_name.
11621         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
11622         * tree-flow-inline.h (make_ssa_name): Move from
11623         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
11624         * omp-low.c (expand_omp_parallel):
11625         * tree-flow-inline.h (redirect_edge_var_map_result):
11626         * tree-ssa.c (init_tree_ssa): Add argument FN.
11627         Use it instead of cfun.  Update all users.
11628
11629 2008-05-13  Tom Tromey  <tromey@redhat.com>
11630
11631         PR preprocessor/22168:
11632         * doc/cpp.texi (Top): Update menu.
11633         (Alternatives to Wrapper #ifndef): New node.
11634         (Other Directives): Document deprecation.
11635         (Obsolete Features): Remove menu.
11636         (Assertions): Merge node into Obsolete Features.
11637         (Obsolete once-only headers): Move earlier; rename to Alternatives
11638         to Wrapper #ifndef.
11639         * doc/cppopts.texi: Update.
11640         * c.opt (Wdeprecated): Enable for C and ObjC.
11641         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
11642         (C++ Dialect Options): Move -Wno-deprecated from here to...
11643         (Warning Options): ... here.
11644
11645 2008-05-13  Richard Guenther  <rguenther@suse.de>
11646
11647         PR middle-end/36227
11648         * fold-const.c (fold_sign_changed_comparison): Do not allow
11649         changes in pointer-ness.
11650
11651 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11652
11653         PR target/24713
11654         * config/sh/sh.c (sh_expand_prologue): Don't clear
11655         RTX_FRAME_RELATED_P for push insns.
11656
11657 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
11658
11659         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
11660
11661 2008-05-12  Anatoly Sokolov <aesok@post.ru>
11662
11663         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
11664         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
11665         Use 'machine->is_leaf' instead of 'leaf_func_p'.
11666
11667 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
11668
11669         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
11670         (*vec_concatv4sf_sse): This.
11671         (*sse2_concatv2si): Renamed to ...
11672         (*vec_concatv2si_sse2): This.
11673         (*sse1_concatv2si): Renamed to ...
11674         (*vec_concatv2si_sse): This.
11675         (*vec_concatv2di_rex): Renamed to ...
11676         (*vec_concatv2di_rex64): This.
11677         (*vec_concatv2si_sse4_1): New.
11678         (*vec_concatv2di_rex64_sse4_1): Likewise.
11679
11680 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
11681
11682         PR rtl-optimization/36111
11683         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
11684         that was created for swappable operands.
11685
11686 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
11687
11688         PR ada/36001
11689         * Makefile.in: Substitute GNATMAKE and GNATBIND.
11690         * configure.ac: Add call to ACX_PROG_GNAT.
11691
11692 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
11693
11694         * optc-gen.awk: Fix comment typo.
11695
11696 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
11697
11698         * pretty-print.c (pp_integer_with_precision): Use
11699         HOST_LONG_LONG_FORMAT.
11700
11701 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
11702
11703         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
11704
11705 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
11706
11707         * config/i386/i386.c (bdesc_ptest): Removed.
11708         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
11709         (bdesc_args): Add __builtin_ia32_ptestz128,
11710         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
11711         (ix86_init_mmx_sse_builtins): Updated.
11712         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
11713         (ix86_expand_builtin): Updated.
11714
11715 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
11716
11717         * tree-cfg.c (valid_fixed_convert_types_p): New function.
11718         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
11719
11720 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
11721
11722         * value-prof.c (interesting_stringop_to_profile): Do not
11723         return early for BUILT_IN_MEMPCPY.
11724
11725 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
11726
11727         * calls.c (expand_call): Don't use callgraph to increase
11728         preferred_stack_boundary.
11729
11730         * cgraph.h (cgraph_rtl_info): Use unsigned on
11731         preferred_incoming_stack_boundary.
11732
11733         * final.c (rest_of_clean_state): Use unsigned on
11734         preferred_stack_boundary.
11735
11736 2008-05-09  Tom Tromey  <tromey@redhat.com>
11737
11738         PR preprocessor/22231:
11739         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
11740         proceeding.
11741
11742 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
11743
11744         PR tree-optimization/36129
11745         * tree-ssa-ccp.c: Include value-prof.h.
11746         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
11747         built-in function was folded to a constant.
11748         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
11749
11750 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
11751             Sebastian Pop  <sebastian.pop@amd.com>
11752
11753         * tree-scalar-evolution.c: Document instantiate_scev.
11754         (instantiate_parameters_1): Renamed instantiate_scev_1.
11755         Don't use the same loop for instantiation_loop and evolution_loop.
11756         (instantiate_scev): New.
11757         (instantiate_parameters): Moved...
11758         (resolve_mixers): Update call to instantiate_scev_1 to pass the
11759         same loop twice.  Maintains the semantics for this function.
11760         * tree-scalar-evolution.h (instantiate_scev): Declare.
11761         (instantiate_parameters): ...here.  Now static inline.
11762         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
11763         instead of resolve_mixers.
11764
11765 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
11766
11767         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
11768
11769 2008-05-09  Tomas Bily  <tbily@suse.cz>
11770
11771         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
11772         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
11773         * tree-ssa-structalias.c (get_constraint_for): Likewise.
11774         * c-common.c (c_common_truthvalue_conversion): Likewise.
11775         * tree-object-size.c (compute_object_offset): Likewise.
11776         * tree-inline.c (estimate_num_insns_1): Likewise.
11777         * varasm.c (const_hash_1, compare_constant, copy_constant)
11778         (compute_reloc_for_constant, output_addressed_constants)
11779         (initializer_constant_valid_p): Likewise.
11780         * c-omp.c (check_omp_for_incr_expr): Likewise.
11781         * gimplify.c (gimplify_expr): Likewise.
11782         * c-typeck.c (c_finish_return): Likewise.
11783         * tree-vectorizer.c (supportable_widening_operation)
11784         (supportable_narrowing_operation): Likewise.
11785         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
11786         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
11787         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11788         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
11789         (descr_info_loc): Likewise.
11790         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
11791         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
11792         (fold_unary): Likewise.
11793         * builtins.c (get_pointer_alignment): Likewise.
11794         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
11795         (instantiate_parameters_1): Likewise.
11796         * tree.c (expr_align, stabilize_reference): Likewise.
11797         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
11798         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
11799         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
11800         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
11801         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
11802         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
11803         Likewise.
11804         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
11805         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
11806         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
11807         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
11808         (forward_propagate_comparison)
11809         (tree_ssa_forward_propagate_single_use_vars): Likewise.
11810         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
11811         * emit-rtl.c (component_ref_for_mem_expr)
11812         (set_mem_attributes_minus_bitpos): Likewise.
11813         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
11814         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
11815         Likewise.
11816         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
11817         (build_function_call, pointer_diff, build_compound_expr)
11818         (c_finish_return): Likewise.
11819         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
11820         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
11821         Likewise.
11822         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
11823         * expr.c (is_aligning_offset): Likewise.
11824         * tree-ssa-alias.c (is_escape_site): Likewise.
11825         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
11826         (check_all_va_list_escapes): Likewise.
11827         * tree-ssa-loop-ivopts.c (determine_base_object)
11828         (determine_common_wider_type): Likewise.
11829         * dojump.c (do_jump): Likewise.
11830         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
11831         * tree-gimple.c (is_gimple_cast): Likewise.
11832         * fold-const.c (decode_field_reference, )
11833         (fold_sign_changed_comparison, fold_unary, fold_comparison)
11834         (fold_binary): Likewise.
11835         * tree-ssa-alias-warnings.c (find_alias_site_helper)
11836         (already_warned_in_frontend_p): Likewise.
11837         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
11838         * tree.c (really_constant_p, get_unwidened): Likewise.
11839         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
11840         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
11841         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
11842         Likewise.
11843         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
11844         CONVERT_EXPR_P.
11845         (CONVERT_EXPR_P): Define.
11846         (CASE_CONVERT): Define.
11847
11848 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
11849
11850         PR middle-end/36117
11851         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
11852         (delete_unmarked_insns): When deleting a call, call
11853         delete_unreachable_blocks.
11854         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
11855         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
11856
11857 2008-05-08  Richard Guenther  <rguenther@suse.de>
11858
11859         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
11860         (-ftree-salias): Likewise.
11861         (salias-max-implicit-fields): Remove param documentation.
11862         (salias-max-array-elements): Likewise.
11863         * tree-pass.h (pass_create_structure_vars): Remove.
11864         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11865         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11866         * tree-ssa-alias.c (create_structure_vars): Remove.
11867         (gate_structure_vars): Likewise.
11868         (pass_create_structure_vars): Likewise.
11869         (gate_build_alias): Likewise.
11870         (pass_build_alias): Adjust to run always and dump the function.
11871         * common.opt (ftree-salias): Hide.
11872         * passes.c (init_optimization_passes): Remove
11873         pass_create_structure_vars, adjust comment.
11874         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11875         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11876         * opts.c (decode_options): Do not set flag_tree_salias.
11877         (common_handle_option): Add OPT_ftree_salias to the backward
11878         compatibility section.
11879
11880 2008-05-08  Richard Guenther  <rguenther@suse.de>
11881
11882         * tree-flow-inline.h (var_can_have_subvars): Move ...
11883         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
11884         * tree-flow.h (var_can_have_subvars): Remove.
11885         (push_fields_onto_fieldstack): Remove.
11886         (sort_fieldstack): Likewise.
11887         (struct fieldoff): Move ...
11888         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
11889         alias_set and base_for_components fields.
11890         (sort_fieldstack): Make static.
11891         (push_fields_onto_fieldstack): Likewise.  Remove code that
11892         handles anything but RECORD_TYPEs.  Remove alias_set and
11893         base_for_components handling.
11894         (create_variable_info_for): Adjust.
11895
11896 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
11897
11898         * common.opt (Wframe-larger-than=): Shorten the help message
11899         to one line.
11900         * doc/invoke.texi (Wframe-larger-than=): Add more description.
11901
11902 2008-05-08  Rafael Espindola  <espindola@google.com>
11903
11904         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
11905         trap.
11906         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
11907         trap and that both operands are gimple values.
11908         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
11909         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
11910         is a fp operation.
11911
11912 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11913
11914         * read-rtl.c (join_c_conditions): Return the first string if the
11915         two strings are equal.
11916
11917 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11918
11919         * gensupport.h (pred_data): Add a "num_codes" field.
11920         (add_predicate_code): Declare.
11921         * gensupport.c (add_predicate_code): New function.
11922         (std_pred_table): Add an "allows_const_p" field.
11923         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
11924         Remove the (incomplete) list of such codes from the codes field.
11925         (init_predicate_table): Use add_predicate_code.  Add all
11926         RTX_CONST_OBJs if allows_const_p is true.
11927         * genrecog.c (process_define_predicate): Use add_predicate_code.
11928
11929 2008-05-08  David Daney  <ddaney@avtrex.com>
11930             Richard Sandiford  <rsandifo@nildram.co.uk>
11931
11932         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
11933         special case of constant zero operands.
11934         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
11935         old and new values.  Special case constant zero values.
11936         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
11937         fails.
11938         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
11939         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
11940
11941 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
11942
11943         PR target/36090
11944         * simplify-rtx.c (simplify_plus_minus): Create CONST of
11945         similar RTX_CONST_OBJ before CONST_INT.
11946
11947 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
11948
11949         * stmt.c (expand_stack_restore): Change sa mode if needed.
11950
11951 2008-05-08  Richard Guenther  <rguenther@suse.de>
11952
11953         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
11954         return type to bool.
11955         (ix86_sol10_return_in_memory): Likewise.
11956         (ix86_i386elf_return_in_memory): Likewise.
11957         (ix86_i386interix_return_in_memory): Likewise.
11958         * config/i386/i386.c (ix86_return_in_memory): Likewise.
11959         (ix86_sol10_return_in_memory): Likewise.
11960         (ix86_i386elf_return_in_memory): Likewise.
11961         (ix86_i386interix_return_in_memory): Likewise.
11962
11963 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
11964
11965         PR bootstrap/36180
11966         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
11967         fndecl argument.
11968         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
11969         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
11970         declared in front.
11971
11972 2008-05-08  Richard Guenther  <rguenther@suse.de>
11973
11974         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
11975         * tree-data-ref.h (struct dr_alias): Remove subvars field.
11976         (DR_SUBVARS): Remove.
11977         * tree-dfa.c (dump_subvars_for): Remove.
11978         (debug_subvars_for): Likewise.
11979         (dump_variable): Do not dump subvars.
11980         (remove_referenced_var): Do not remove subvars.
11981         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
11982         (lookup_subvars_for_var): Remove.
11983         (get_subvars_for_var): Likewise.
11984         (get_subvars_at): Likewise.
11985         (get_first_overlapping_subvar): Likewise.
11986         (overlap_subvar): Likewise.
11987         * tree-flow.h (subvar_t): Remove.
11988         (struct var_ann_d): Remove subvars field.
11989         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
11990         argument.  Remove special handling of SFTs.
11991         (compute_tag_properties): Likewise.
11992         (set_initial_properties): Likewise.
11993         (compute_call_clobbered): Likewise.
11994         (count_mem_refs): Likewise.
11995         (compute_memory_partitions): Likewise.
11996         (compute_flow_insensitive_aliasing): Likewise.
11997         (setup_pointers_and_addressables): Likewise.
11998         (new_type_alias): Likewise.
11999         (struct used_part): Remove.
12000         (used_portions): Likewise.
12001         (struct used_part_map): Likewise.
12002         (used_part_map_eq): Likewise.
12003         (used_part_map_hash): Likewise.
12004         (free_used_part_map): Likewise.
12005         (up_lookup): Likewise.
12006         (up_insert): Likewise.
12007         (get_or_create_used_part_for): Likewise.
12008         (create_sft): Likewise.
12009         (create_overlap_variables_for): Likewise.
12010         (find_used_portions): Likewise.
12011         (create_structure_vars): Likewise.
12012         * tree.def (STRUCT_FIELD_TAG): Remove.
12013         * tree.h (MTAG_P): Adjust.
12014         (struct tree_memory_tag): Remove base_for_components and
12015         unpartitionable flags.
12016         (struct tree_struct_field_tag): Remove.
12017         (SFT_PARENT_VAR): Likewise.
12018         (SFT_OFFSET): Likewise.
12019         (SFT_SIZE): Likewise.
12020         (SFT_NONADDRESSABLE_P): Likewise.
12021         (SFT_ALIAS_SET): Likewise.
12022         (SFT_UNPARTITIONABLE_P): Likewise.
12023         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
12024         (union tree_node): Remove sft field.
12025         * alias.c (get_alias_set): Remove special handling of SFTs.
12026         * print-tree.c (print_node): Remove handling of SFTs.
12027         * tree-dump.c (dequeue_and_dump): Likewise.
12028         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
12029         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
12030         * tree-predcom.c (set_alias_info): Do not set subvars.
12031         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
12032         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
12033         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
12034         (add_vars_for_offset): Remove.
12035         (add_virtual_operand): Remove special handling of SFTs.
12036         (add_call_clobber_ops): Likewise.
12037         (add_call_read_ops): Likewise.
12038         (get_asm_expr_operands): Likewise.
12039         (get_modify_stmt_operands): Likewise.
12040         (get_expr_operands): Likewise.
12041         (add_to_addressable_set): Likewise.
12042         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
12043         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
12044         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
12045         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
12046         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
12047         (tree_node_structure): Likewise.
12048         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
12049         handling of SFTs.
12050         (find_what_p_points_to): Likewise.
12051
12052 2008-05-08  Sa Liu  <saliu@de.ibm.com>
12053
12054         * config/spu/spu.md: Fixed subti3 pattern.
12055
12056 2008-05-08  Richard Guenther  <rguenther@suse.de>
12057
12058         PR middle-end/36154
12059         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
12060         sure to create a representative for trailing arrays for PTA.
12061
12062 2008-05-08  Richard Guenther  <rguenther@suse.de>
12063
12064         PR middle-end/36172
12065         * fold-const.c (operand_equal_p): Two objects which types
12066         differ in pointerness are not equal.
12067
12068 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
12069
12070         * calls.c (compute_argument_block_size): Add argument tree fndecl.
12071         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
12072         (emit_library_call_value_1): Add new variable fndecl initialized by
12073         NULL_TREE. It should be the decl type of orgfun, but this information
12074         seems not to be available here, so it uses the default calling abi.
12075         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
12076         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
12077         by TARGET_RETURN_IN_MEMORY.
12078         * config/i386/i386-interix.h: Likewise.
12079         * config/i386/i386.h: Likewise.
12080         * config/i386/i386elf.h: Likewise.
12081         * config/i386/ptx4-i.h: Likewise.
12082         * config/i386/sol2-10.h: Likewise.
12083         * config/i386/sysv4.h: Likewise.
12084         * config/i386/vx-common.h: Likewise.
12085         * config/cris/cris.h: Removed #if 0 clause.
12086         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
12087         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
12088         argument.
12089         (ix86_sol10_return_in_memory): Likewise.
12090         (ix86_i386elf_return_in_memory): New.
12091         (ix86_i386interix_return_in_memory): New.
12092         * config/mt/mt-protos.h (mt_return_in_memory): New.
12093         * config/mt/mt.c: Likewise.
12094         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
12095         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
12096         * config/bfin/bfin.h: Likewise.
12097         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
12098         argument.
12099         * config/bfin/bfin.c: Likewise.
12100         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
12101         * config/alpha/unicosmk.h: Likewise.
12102         * config/i386/cygming.h: Likewise.
12103         * config/iq2000/iq2000.h: Likewise.
12104         * config/mips/mips.h: Likewise.
12105         * config/mn10300/mn10300.h: Likewise.
12106         * config/rs6000/rs6000.h: Likewise.
12107         * config/score/score.h: Likewise.
12108         * config/spu/spu.h: Likewise.
12109         * config/v850/v850.h: Likewise.
12110         * defaults.h: Likewise.
12111         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
12112         * expr.c (emit_block_move): Adjust use of
12113         OUTGOING_REG_PARM_STACK_SPACE.
12114         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
12115         OUTGOING_REG_PARM_STACK_SPACE.
12116         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
12117
12118 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
12119
12120         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
12121         on OMP_RETURN for OMP_FOR.
12122
12123         PR debug/35896
12124         * dwarf2out.c (dw_expand_expr, common_check): Removed.
12125         (fortran_common): New function.
12126         (gen_variable_die): Call fortran_common instead of common_check,
12127         adjust for it returning tree instead of rtx.  Formatting.
12128
12129 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
12130
12131         PR rtl/7335
12132         PR rtl/33826
12133         * see.c (see_copy_insn): Copy new pure const attributes for new call.
12134         * c-decl.c (merge_decls): Ditto.
12135         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
12136         to RTL_CONST_OR_PURE_CALL_P.
12137         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
12138         Initialized DECL_LOOPING_CONST_PURE.
12139         (process_call_operands): Set tree_side_effects properly.
12140         * tree.h (TREE_READONLY_DECL_P): Removed.
12141         (DECL_IS_PURE): Renamed to DECL_PURE_P.
12142         (DECL_LOOPING_OR_CONST_P): New macro.
12143         (struct tree_function_decl): Added looping_const_or_pure_p.
12144         (ECF_*) Renumbered.
12145         (ECF_LOOPING_OR_CONST_P): New macro.
12146         * rtlanal.c (pure_const_p): Removed.
12147         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
12148         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
12149         to RTL_CONST_CALL_P.
12150         * ipa-pure-const.c (pure_const_state_e): Added looping field.
12151         (check_decl, check_tree, check_call, scan_function): Initialize
12152         looping.
12153         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
12154         (static_execute): Set looping true for recursive functions.
12155         Undo setting state to IPA_NEITHER for recursive functions.
12156         * cse.c (cse_insn):
12157         * ifcvt.c (noce_can_store_speculate_p): Changed
12158         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
12159         RTL_CONST_OR_PURE_CALL_P.
12160         * dse.c (scan_insn): Ditto.
12161         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
12162         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
12163         RTL_CONST_OR_PURE_CALL_P.
12164         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
12165         pure_call_p to RTL_CONST_CALL_P.
12166         * gimplify.c (gimplify_call_expr): Clear side effects for
12167         non-looping pure and constant calls.
12168         * calls.c (emit_call_1): Set rtl flags from ecf flags.
12169         (flags_from_decl_or_type): Set ecf flags from decl flags.
12170         (initialize_argument_information): Turn off
12171         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
12172         Change const to pure if callee_copies is true rather than just
12173         turning off const.
12174         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
12175         way of marking pure calls.
12176         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
12177         Remove hack that was supposed to fix pr7335 and remove old
12178         way of marking pure calls.
12179         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
12180         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
12181         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
12182         RTL_CONST_OR_PURE_CALL_P.
12183         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
12184         * loop-invariant.c (find_exits, find_invariant_bb): Changed
12185         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
12186         * sched-deps.c (schedule_analyze): Ditto.
12187         * rtl.h (struct rtx_def): Use call field, unchanging field, and
12188         return_val field of calls to represent pure and const function info.
12189         (CONST_OR_PURE_CALL_P): Deleted macro.
12190         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
12191         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
12192         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
12193         TREE_READONLY.
12194         * tree-optimize.c (execute_fixup_cfg): Added test for
12195         ECF_LOOPING_CONST_OR_PURE.
12196         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
12197         DECL_PURE_P.
12198         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
12199         effects for looping pure or const calls.
12200         (verify_gimple_expr): Added verification code.
12201         * config/alpha/alpha.c (alpha_legitimize_address,
12202         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
12203         RTL_CONST_CALL_P.
12204         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
12205         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
12206         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
12207         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
12208         RTL_CONST_OR_PURE_CALL_P.
12209         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
12210         and const calls to be deleted.
12211
12212 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
12213
12214         PR target/35714
12215         * config/i386/mmx.md (mmx_subv2sf3): New expander.
12216         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
12217         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
12218         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12219         to handle nonimmediate operands.
12220         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
12221         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
12222         to handle nonimmediate operands.
12223         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
12224         (mmx_pmulhrwv4hi3): New expander.  Use
12225         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12226         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
12227         (sse2_umulv1siv1di3): New expander.  Use
12228         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12229         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
12230         (mmx_eq<mode>3): New expander.  Use
12231         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12232         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
12233         (mmx_uavgv8qi3): New expander.  Use
12234         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12235         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
12236         (mmx_uavgv4hi3): New expander.  Use
12237         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12238
12239         * config/i386/sse.md
12240         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
12241         to handle nonimmediate operands.
12242         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
12243         to handle nonimmediate operands.
12244         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
12245         to handle nonimmediate operands.
12246         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
12247         to handle nonimmediate operands.
12248         (sse2_unpckhpd_exp): New expander.  Use
12249         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12250         (sse2_unpcklpd_exp): New expander.  Use
12251         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12252         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
12253         to handle nonimmediate operands.
12254         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
12255         to handle nonimmediate operands.
12256         (*sse2_<plusminus_insn><mode>3): Rename from
12257         sse2_<plusminus_insn><mode>3 insn pattern.
12258         (sse2_<plusminus_insn><mode>3): New expander.  Use
12259         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12260         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
12261         (sse2_umulv2siv2di3): New expander.  Use
12262         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12263         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
12264         (sse4_1_mulv2siv2di3): New expander.  Use
12265         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12266         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
12267         (sse2_pmaddwd): New expander.  Use
12268         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12269         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
12270         (sse2_eq<mode>3): New expander.  Use
12271         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12272         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
12273         (sse4_1_eqv2di3): New expander.  Use
12274         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12275         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
12276         (sse2_uavgv16qi3): New expander.  Use
12277         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12278         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
12279         (sse2_uavgv16qi3): New expander.  Use
12280         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12281         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
12282         (sse2_uavgv8hi3): New expander.  Use
12283         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12284         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
12285         (ssse3_pmulhrswv8hi3): New expander.  Use
12286         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12287         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
12288         (ssse3_pmulhrswv4hi3): New expander.  Use
12289         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12290
12291         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
12292         (<sse>_vmmul<mode>3): Ditto.
12293         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
12294         (divv2df3): Ditto.
12295         (ssse3_pmaddubsw128): Use register_operand for operand 1.
12296         (ssse3_pmaddubsw): Ditto.
12297
12298         * config/i386/i386.c (struct_builtin_description)
12299         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
12300         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
12301         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
12302         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
12303         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
12304         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
12305         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
12306         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
12307         (ix86_fixup_binary_operands): Assert that src1
12308         and src2 must have the same mode when swapped.
12309         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
12310         and ix86_binary_operator_ok.  Do not force operands in registers
12311         when optimizing.
12312
12313 2008-05-07  Jan Hubicka  <jh@suse.cz>
12314
12315         * cgraph.c (dump_cgraph_node): Update.
12316         * cgraph.h (cgraph_local_info): Break out inline summary.
12317         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
12318         hook.
12319         * ipa-inline (inline_summary): New accestor function.
12320         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
12321         cgraph_decide_inlining, compute_inline_parameters): Update.
12322         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
12323
12324 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
12325
12326         Cleanup ColdFire scheduling support and add V4 pipeline model.
12327
12328         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
12329         (define_attr cpu): Add cfv4 value.
12330         (define_attr type, define_attr type1): Merge into a single 'type'
12331         attribute.  Update all uses.
12332         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
12333         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
12334         Update all uses.
12335         (define_attr opx_mem, define_attr opy_mem): Remove.
12336         (define_attr op_mem): Clean up, update comment.
12337         (define_attr size): Use specific values instead of general int.
12338         (define_attr guess, define_attr split): Remove.  Update all uses.
12339         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
12340         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
12341         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
12342         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
12343         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
12344         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
12345         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
12346         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
12347         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
12348         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
12349         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
12350         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
12351         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
12352         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
12353         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
12354         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
12355         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
12356         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
12357         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
12358         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
12359         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
12360         Update or set attributes.
12361         (stack_tie): New fake instruction.
12362
12363         * config/m68k/m68k.h (TUNE_CFV4): New macro.
12364         (m68k_sched_attr_size): Update declaration.
12365         (m68k_sched_attr_type2): Remove.
12366         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
12367         Declare new bypass predicates.
12368
12369         * config/m68k/m68k.c (m68k_sched_issue_rate,
12370         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
12371         implementations.
12372         (TARGET_SCHED_ISSUE_RATE,
12373         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
12374         (override_options): Handle scheduling for ColdFire V4 core.
12375         (m68k_expand_prologue): Emit stack_tie.
12376         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
12377         'OP_TYPE_FPN'.  Update all uses.
12378         (sched_guess_p): Remove.
12379         (sched_address_type): Handle symbolic addresses.
12380         (sched_get_operand): New static function.
12381         (sched_operand_type): Merge into sched_attr_op_type.
12382         (sched_attr_op_type): Handle FP registers, handle quick constants,
12383         update.
12384         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
12385         (m68k_sched_attr_size): Update.  Move logic to ...
12386         (sched_get_attr_size_int): New static function.
12387         (sched_get_opxy_mem_type): New static function.
12388         (m68k_sched_attr_op_mem): Update.
12389         (m68k_sched_attr_type2): Remove.
12390         (sched_cfv4_bypass_data): New static variable.
12391         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
12392         (m68k_sched_issue_rate): Implement scheduler hook.
12393         (struct _sched_ib: enabled_p): New field.
12394         (m68k_sched_variable_issue): Update.  Handle V4.
12395         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
12396         sched_dump_class_func_t, sched_dump_split_class,
12397         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
12398         sched_dump_dfa_class, m68k_sched_dump): Remove.
12399         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
12400         hook.
12401         (m68k_sched_init_global): Remove statisctics dumping, introduce
12402         sanity check that all instructions have pipeline reservations.  Handle
12403         ColdFire V4 core.
12404         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
12405         Handle ColdFire V4 core.
12406         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
12407         New static functions.
12408         (m68k_sched_address_bypass_p): New bypass predicate.
12409         (sched_get_indexed_address_scale): New static function.
12410         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
12411
12412         * cf.md: Update comments.
12413         (define_attr type2): Remove.  Use 'type' attribute instead.
12414         Update all uses.
12415         (cf_ib): Rename to cfv123_ib.  Update all uses.
12416         (cf_oep): Rename to cfv123_oep.  Update all uses.
12417         (cf_chr): Rename to cfv123_chr.  Update all uses.
12418         (cf_mem): Rename to cfv123_mem.  Update all uses.
12419         (cf_mac): Move to more appropriate place.
12420         (cfv123_guess): New automaton and cpu_unit.
12421         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
12422         Update uses of 'size' attribute.  Handle before reload scheduling.
12423         (cfv123_guess): New dummy reservation for unhandled instructions.
12424         (cfv4_*): Pipeline description of ColdFire V4 core.
12425         (ignore): New reservation to handle 'ignore' type.
12426
12427 2008-05-07  Ian Lance Taylor  <iant@google.com>
12428
12429         PR middle-end/36013
12430         * gimplify.c (find_single_pointer_decl_1): Don't look through
12431         indirections.
12432         (find_single_pointer_decl): Adjust comments.
12433
12434 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
12435
12436         PR middle-end/36137
12437         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
12438         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
12439
12440         PR middle-end/36106
12441         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
12442         integral type rather than floating point, then VIEW_CONVERT_EXPR
12443         to the floating point type.
12444
12445 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
12446
12447         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
12448         TFmode op0 to register.
12449
12450 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
12451
12452         * c-decl.c (grokdeclarator): Comment typo.
12453
12454 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
12455
12456         * tree-flow.h: Remove prototype for computed_goto_p.
12457         * tree-cfg.c (computed_goto_p): Make static.
12458
12459 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12460
12461         PR target/35657
12462         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
12463         (contains_aligned_value_p): This.  Handle _Decimal128.
12464         (ix86_function_arg_boundary): Only align _Decimal128 to its
12465         natural boundary and handle it properly.
12466
12467 2008-05-06  Martin Jambor  <mjambor@suse.cz>
12468
12469         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
12470         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
12471         (ipcp_method_set_orig_node): Removed.
12472         (ipcp_cval_get_cvalue_type): Removed.
12473         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
12474         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
12475         (ipcp_cval_set_cvalue_type): Removed.
12476         (ipcp_cval_get_cvalue): Removed.
12477         (ipcp_cval_set_cvalue): Removed.
12478         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
12479         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
12480         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
12481         (ipcp_cval_meet): Renamed to ipa_lattice_meet
12482         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
12483         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
12484         (ipcp_get_ith_lattice): Changed parameters.
12485         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
12486         (ipcp_lattice_from_jfunc): Changed parameters.
12487         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
12488         (ipcp_method_cval_print): Added temporary variable info.
12489         (ipcp_redirect): Removed already unused local variable caller.
12490         (ipcp_redirect): New temporary variable orig_callee_info
12491         (ipcp_redirect): Removed newly unused local variable callee.
12492         (ipcp_redirect): Removed (a bit confusing) local variable type.
12493         (ipcp_insert_stage): Added local variable info.
12494         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
12495         renamed too
12496         (ipcp_formal_create): Removed.
12497         (ipcp_method_cval_set): Removed.
12498         (ipcp_propagate_stage): Renamed lattice variables.
12499         (ipcp_method_cval_set_cvalue_type): Removed.
12500         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
12501         (ipcp_print_all_lattices): Changed printed strings to refer to
12502         lattices rather than cvals.
12503         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
12504         (ipcp_propagate_const): Changed formal parameters.
12505         (build_const_val): Changed formal parameters.
12506         (ipcp_insert_stage): Removed useless variable cvalue
12507         (build_const_val): Changed formal parameters.
12508         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
12509         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
12510         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
12511         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
12512         (ipcp_print_func_profile_counts): Changed string from "method" to
12513         "function"
12514         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
12515         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
12516         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
12517         (ipcp_structures_print): Renamed to ipcp_print_all_structures
12518         (ipcp_profile_print): Renamed to ipcp_print_profile_data
12519         (ipcp_lat_is_const): Changed parameters and made inline.
12520         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
12521         (ipcp_redirect): Renamed to ipcp_need_redirect_p
12522         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
12523         the predicate condition directly
12524         (ipcp_propagate_stage): Added local variable args. Removed local
12525         variable callee.  (Both are mere code simplifications.)
12526         (ipcp_method_dont_insert_const): Renamed to
12527         ipcp_node_not_modifiable_p.
12528         (ipcp_node_not_modifiable_p): Made inline.
12529         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
12530         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
12531         (ipcp_print_all_lattices): Removed variable cvalue
12532         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
12533         Updated comments.
12534
12535 2008-05-06  Olivier Hainque  <hainque@adacore.com>
12536
12537         * tree-sra.c (try_instantiate_multiple_fields): Early return
12538         if field has POINTER_TYPE.
12539
12540 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
12541
12542         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
12543         by using 'q' specifier for instruction.
12544         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
12545
12546 2008-05-06  Anatoly Sokolov <aesok@post.ru>
12547
12548         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
12549         Change mode of zero_extract from QImode to HImode.
12550         (sign bit tests peepholes): (Ditto.).
12551
12552 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
12553
12554         * config/i386/mmx.md: Remove double backslashes from asm templates.
12555         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
12556         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12557         to handle nonimmediate operands.
12558         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
12559         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12560         to handle nonimmediate operands.
12561         (*mmx_<code>v2sf3_finite): New insn pattern.
12562         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
12563         (mmx_<code>v2sf3): New expander.  Use
12564         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12565         (mmx_<plusminus_insn><mode>3): New expander.  Use
12566         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12567         (*mmx_<plusminus_insn><mode>3): New insn pattern.
12568         (mmx_add<mode>3): Removed.
12569         (mmx_ssadd<mode>3): Ditto.
12570         (mmx_usadd<mode>3): Ditto.
12571         (mmx_sub<mode>3): Ditto.
12572         (mmx_sssub<mode>3): Ditto.
12573         (mmx_ussub<mode>3): Ditto.
12574         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
12575         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
12576         to handle nonimmediate operands.
12577         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
12578         insn pattern.
12579         (mmx_smulv4hi3_highpart): New expander.  Use
12580         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12581         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
12582         insn pattern.
12583         (mmx_umulv4hi3_highpart): New expander.  Use
12584         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12585         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
12586         (mmx_<code>v4hi3): New expander.  Use
12587         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12588         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
12589         (mmx_<code>v8qi3): New expander.  Use
12590         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12591         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
12592         (mmx_<code><mode>3): New expander.  Use
12593         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12594
12595 2008-05-05  Jan Hubicka  <jh@suse.cz>
12596
12597         PR tree-optimization/36118
12598         * passes.c (pass_init_dump_file): Fix dump header.
12599
12600 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12601
12602         PR middle-end/36141
12603         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
12604         VCE for function decls.
12605
12606 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12607
12608         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
12609
12610 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12611
12612         * config/i386/i386.md (sat_plusminus): New.
12613         (plusminus_insn): Likewise.
12614         (plusminus_mnemonic): Likewise.
12615         (addsub): Removed.
12616         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
12617         (*<addsub><mode>3_cc_overflow): Renamed to ...
12618         (*<plusminus_insn><mode>3_cc_overflow): This.
12619         (*<addsub>si3_zext_cc_overflow): Renamed to ...
12620         (*<plusminus_insn>si3_zext_cc_overflow): This.
12621
12622         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
12623         (<plusminus_insn><mode>3): This.
12624         (*<addsub><mode>3): Renamed to ...
12625         (*<plusminus_insn><mode>3): This.
12626         (<sse>_vm<addsub><mode>3): Renamed to ...
12627         (<sse>_vm<plusminus_insn><mode>3): This.
12628         (sse3_h<addsub>v4sf3): Renamed to ...
12629         (sse3_h<plusminus_insn>v4sf3): This.
12630         (sse3_h<addsub>v2df3): Renamed to ...
12631         (sse3_h<plusminus_insn>v2df3): This.
12632         (<plusminus_insn><mode>3): New.
12633         (*<plusminus_insn><mode>3): Likewise.
12634         (sse2_<plusminus_insn><mode>3): Likewise.
12635         (add<mode>): Removed.
12636         (*add<mode>3): Likewise.
12637         (sse2_ssadd<mode>3): Likewise.
12638         (sse2_usadd<mode>3): Likewise.
12639         (sub<mode>3): Likewise.
12640         (*sub<mode>3): Likewise.
12641         (sse2_sssub<mode>3): Likewise.
12642         (sse2_ussub<mode>3): Likewise.
12643
12644 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
12645
12646         * gthr-single.h: Add in required interface elements as per gthr.h.
12647         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
12648         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
12649         Generalize UNUSED macro.
12650         (__gthread_once): Add.
12651         (__gthread_key_create): Add.
12652         (__gthread_key_delete): Add.
12653         (__gthread_getspecific): Add.
12654         (__gthread_setspecific): Add.
12655
12656 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
12657
12658         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
12659         the same size types for the indirect reference on the rhs, then
12660         create a VCE.
12661
12662 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
12663
12664         * config/i386/i386.md
12665         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
12666         one insn template instead of template series.
12667         (*xordi_1_rex64): Ditto.
12668         (*xordi_2_rex64): Ditto.
12669
12670 2008-05-05  Ira Rosen  <irar@il.ibm.com>
12671
12672         PR tree-optimization/36119
12673         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
12674         in case of SLP.
12675
12676 2008-06-04  Jan Hubicka  <jh@suse.cz>
12677
12678         tree-optimization/36100
12679         * tree-pass.h (pass_O0_always_inline): Declare.
12680         * ipa-inline.c (inline_transform): Remove dead code.
12681         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
12682         pass_O0_always_inline): New.
12683         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
12684
12685 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
12686
12687         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
12688         mnemonic in this_param move for TARGET_64BIT.
12689
12690 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
12691
12692         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
12693         (*strmovsi_rex_1): Ditto.
12694         (*strsetsi_1): Ditto.
12695         (*strsetsi_rex_1): Ditto.
12696
12697         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
12698         adddicc expanders using SWI mode iterator.
12699
12700 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
12701
12702         PR target/36121
12703         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
12704         argument handling.
12705
12706 2008-05-04  David S. Miller  <davem@davemloft.net>
12707
12708         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
12709         (sparc*-*-linux*): Use linux.h in tm_file.
12710         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
12711         compiler defaulting to 32-bit.
12712         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
12713         no longer needed.
12714         * config/sparc/linux.h: Remove definitions now obtained
12715         properly from linux.h
12716         * config/sparc/linux64.h: Likewise.
12717         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
12718         don't want this setting for 32-bit builds in a biarch compiler.
12719         * doc/install.texi: Add sparc-linux to list of targets
12720         supporting --enable-targets=all.
12721
12722 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
12723
12724         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
12725
12726 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
12727
12728         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
12729         after V4SI_FTYPE_V8HI.
12730         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
12731         case V4SI_FTYPE_V2DF.
12732
12733 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
12734
12735         * doc/invoke.texi (max-flow-memory-locations): Removed.
12736         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
12737
12738 2008-05-03  Richard Guenther  <rguenther@suse.de>
12739
12740         PR middle-end/34973
12741         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
12742
12743 2008-05-02  David S. Miller  <davem@davemloft.net>
12744
12745         * config.gcc (need_64bit_hwint): Document libcpp dependency.
12746
12747 2008-05-02  Simon Baldwin <simonb@google.com>
12748
12749         PR bootstrap/36108
12750         * c-common.h (warn_array_subscript_range): Removed.
12751         * c-common.c (warn_array_subscript_range): Ditto.
12752         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
12753         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
12754
12755 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12756
12757         * config/i386/i386.c (ix86_special_builtin_type): New.
12758         (bdesc_special_args): Likewise.
12759         (ix86_expand_special_args_builtin): Likewise.
12760         (ix86_init_mmx_sse_builtins): Updated.
12761         (ix86_expand_builtin): Updated.
12762         (ix86_expand_store_builtin): Removed.
12763         (ix86_expand_unop_builtin): Likewise.
12764
12765         * config/i386/mm3dnow.h (__v2sf): Moved to ...
12766         * config/i386/mmintrin.h (__v2sf): Here.
12767
12768         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
12769         const __v2sf.
12770         (_mm_loadl_pi): Likewise.
12771         (_mm_storeh_pi): Replace __v2si with __v2sf.
12772         (_mm_storel_pi): Likewise.
12773
12774         * doc/extend.texi: Correct __builtin_ia32_loadhps,
12775         __builtin_ia32_loadlps, __builtin_ia32_storehps,
12776         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
12777         __builtin_ia32_loadlpd.
12778
12779 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12780
12781         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
12782         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
12783         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
12784         (ix86_init_mmx_sse_builtins): Updated.
12785         (ix86_expand_args_builtin): Likewise.
12786         (ix86_expand_builtin): Likewise.
12787         (ix86_expand_unop1_builtin): Renamed to ...
12788         (ix86_expand_unop_vec_merge_builtin): This.
12789
12790 2008-05-01  Jan Hubicka  <jh@suse.cz>
12791
12792         PR bootstrap/36100
12793         * ipa-inline.c (inline_generate_summary): Make static.
12794         (inline_transform): Do not call inlining at -O0; make static.
12795         * passes.c (execute_todo): Add sanity check.
12796         (execute_one_ipa_transform_pass): Execute proper flags.
12797
12798 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
12799
12800         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
12801         (DECL_NONADDRESSABLE_P): Likewise.
12802         * alias.c (record_component_aliases): Fix comment.
12803
12804 2008-05-01  Simon Baldwin <simonb@google.com>
12805
12806         * c-common.h (warn_array_subscript_range): New function.
12807         * c-common.c (warn_array_subscript_range): Ditto.
12808         * tree-vrp.c (check_array_ref): Corrected code to agree with
12809         comment, ignoring only arrays of size 0 or size 1.
12810         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
12811
12812 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12813
12814         * config/i386/i386.c (ix86_builtin_type): Replace
12815         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
12816         (bdesc_args): Updated.
12817         (ix86_init_mmx_sse_builtins): Likewise.
12818         (ix86_expand_args_builtin): Likewise.
12819
12820         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
12821         with __v1di.
12822
12823         * doc/extend.texi: Correct __builtin_ia32_palignr.
12824
12825 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12826
12827         PR target/36095
12828         * config/i386/i386.c (bdesc_crc32): Removed.
12829         (ix86_expand_crc32): Likewise.
12830         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
12831         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
12832         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
12833         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
12834         UINT_FTYPE_UINT_UCHAR.
12835         (bdesc_args): Updated. Add crc32 builtins.
12836         (ix86_init_mmx_sse_builtins): Updated.
12837         (ix86_expand_args_builtin): Updated to support subreg.
12838
12839         * doc/extend.texi: Correct __builtin_ia32_crc32di.
12840
12841 2008-05-01  Jan Hubicka  <jh@suse.cz>
12842
12843         * tree-pass.h (opt_pass): Add IPA_PASS.
12844         (varpool_node, cgraph_node): Forward declare.
12845         (ipa_opt_pass): Define.
12846         (pass_ipa_inline): Turn into ipa_opt_pass.
12847         (pass_apply_inline): Remove.
12848         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
12849         (apply_inline): Turn into ....
12850         (inline_transform): ... this one.
12851         (inline_generate_summary): New function.
12852         (pass_apply_inline): Remove.
12853         * function.h (ipa_opt_pass): Forward declare structure; typedef;
12854         vector.
12855         (struct function): Add ipa_transforms_to_apply.
12856         * passes.c (register_one_dump_file): Work on IPA_PASS.
12857         (init_optimization_passes): Remove pass_inline_parameters and
12858         pass_apply_inline.
12859         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
12860         (execute_one_pass) ... here; apply transforms when possible.
12861         (add_ipa_transform_pass, execute_ipa_summary_asses,
12862         execute_one_ipa_transform_pass): New.
12863         (execute_ipa_pass_list): Update for IPA_PASS type.
12864
12865 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12866
12867         * config/i386/i386.c (ix86_builtin_type): Add
12868         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
12869         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
12870         (bdesc_args): Add SSE4a builtins.
12871         (ix86_init_mmx_sse_builtins): Updated.
12872         (ix86_expand_args_builtin): Likewise.
12873         (ix86_expand_builtin): Likewise.
12874
12875 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12876
12877         * config/i386/i386.c (ix86_builtin_type): Add
12878         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
12879         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
12880         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
12881         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
12882         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
12883         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
12884         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
12885         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
12886         and DI_FTYPE_DI_DI_INT.
12887         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
12888         (ix86_init_mmx_sse_builtins): Updated.
12889         (ix86_expand_args_builtin): Likewise.
12890         (ix86_expand_builtin): Likewise.
12891         (ix86_expand_binop_imm_builtin): Removed.
12892
12893         * doc/extend.texi: Correct __builtin_ia32_palignr128.
12894
12895 2008-04-30  Richard Guenther  <rguenther@suse.de>
12896
12897         PR tree-optimization/32921
12898         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
12899
12900 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
12901
12902         * config/arm/arm.c (arm_unwind_emit): Use
12903         crtl->all_throwers_are_sibcalls instead of
12904         cfun->all_throwers_are_sibcalls.
12905         (arm_output_fn_unwind): Likewise.
12906         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
12907         instead of cfun->uses_pic_offset_table.
12908         (frv_expand_prologue): Likewise.
12909         (frv_frame_pointer_required): Likewise.
12910         (frv_expand_fdpic_call): Likewise.
12911         (frv_emit_movsi): Likewise.
12912         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
12913         cfun->returns_pcc_struct instead of
12914         current_function_returns_pcc_struct.
12915         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
12916         instead of cfun->calls_eh_return.
12917         (m32c_pushm_popm): Likewise.
12918         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
12919         "extern" declaration.
12920
12921 2008-04-30  Richard Guenther  <rguenther@suse.de>
12922
12923         PR tree-optimization/21636
12924         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
12925         constant address.
12926         (evaluate_stmt): Print the likely value.
12927         (ccp_visit_stmt): Avoid excessive vertical spacing.
12928
12929 2008-04-30  Rafael Espindola  <espindola@google.com>
12930
12931         * builtins.c (fold_call_expr): Return realret.
12932         * tree-ssa-threadedge.c
12933         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
12934         __builtin_object_size.
12935
12936 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
12937
12938         * gcc.c (wrapper_string): New variable.
12939         (insert_wrapper): New function.
12940         (execute): New option -wrapper.
12941         * doc/invoke.texi (Overall Options): New driver option -wrapper.
12942
12943 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
12944
12945         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
12946         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
12947         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
12948         from...
12949         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
12950         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
12951         config/rs6000/e500crtres64gprctr.asm,
12952         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
12953         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
12954         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
12955         config/rs6000/e500crtsav64gprctr.asm,
12956         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
12957         config/rs6000/e500crtsavg64gprctr.asm: New files.
12958         * config/rs6000/t-ppccomm: Add build rules for new files.
12959         (LIB2FUNCS_STATIC_EXTRA): Add new files.
12960         * config/rs6000/t-netbsd: Add build rules for new files.
12961         (LIB2FUNCS_STATIC_EXTRA): New variable.
12962         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
12963         (CRTSAVRES_DEFAULT_SPEC): Likewise.
12964         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
12965
12966 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
12967
12968         * config/i386/i386.c (ix86_builtin_type): Add
12969         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
12970         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
12971         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
12972         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
12973         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
12974         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
12975         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
12976         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
12977         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
12978         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
12979         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
12980         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
12981         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
12982         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
12983         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
12984         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
12985         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
12986         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
12987         V1DI_FTYPE_V2SI_V2SI.
12988         (bdesc_2arg): Moved to ...
12989         (bdesc_args): Here.
12990         (ix86_init_mmx_sse_builtins): Updated.
12991         (ix86_expand_args_builtin): Updated.  Take a pointer
12992         to const struct builtin_description.  Handle comparison
12993         builtin functions.
12994         (ix86_expand_sse_compare): Take a new argument for swapping operands.
12995         (ix86_expand_builtin): Updated.
12996
12997         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
12998         (ssse3_pmaddubsw128): This.
12999         (ssse3_pmaddubswv4hi3): Renamed to ...
13000         (ssse3_pmaddubsw): This.
13001
13002         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
13003         (__builtin_ia32_packssdw128): Likewise.
13004         (__builtin_ia32_packuswb128): Likewise.
13005         (__builtin_ia32_pmaddubsw): Likewise.
13006         (__builtin_ia32_pmaddubsw128): Likewise.
13007
13008 2008-04-30  Richard Guenther  <rguenther@suse.de>
13009
13010         PR tree-optimization/14847
13011         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
13012         (recognize_bits_test): Use it.
13013         (recognize_single_bit_test): Likewise.
13014
13015 2008-04-30  Martin Jambor  <mjambor@suse.cz>
13016
13017         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
13018         instead of setting number of formal parameters to zero.
13019         (ipcp_init_stage): Do not set the number of actual parameters to zero
13020         either.
13021         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
13022         which are called with variable number of arguments.
13023         (ipcp_insert_stage): Explicitely skipping all nodes which are
13024         called with variable number of arguments.
13025         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
13026         number of parameters.
13027
13028         * ipa-prop.h (struct ipa_node_params): Added flag
13029         called_with_var_arguments
13030         (ipa_set_param_count): Added.  Changed sole setter to use it.
13031         (ipa_get_param_count): Added.  All readers of param_count
13032         converted to use it instead.
13033         (ipa_set_called_with_variable_arg): Added.
13034         (ipa_is_called_with_var_arguments): Added.
13035         (ipa_get_ith_param): Added.  All readers of param_decls converted
13036         to use it instead.
13037         (ipa_set_cs_argument_count): Added, sole writer to argument_count
13038         changed to use it.
13039         (ipa_get_cs_argument_count): Added, all readers of argument_count
13040         changed to cal it.
13041         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
13042         to use it.
13043
13044         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
13045         (struct ipcp_lattice): Renamed cval_type to type
13046         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
13047
13048         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
13049         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
13050         (ipcp_insert_stage): Changed the type of variable cvalue to tree
13051         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
13052         (build_const_val): Changed the type of parameter cvalue to tree
13053         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
13054         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
13055
13056         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
13057         constant
13058
13059         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
13060         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
13061         (ipa_add_method): Renamed to ipa_push_func_to_list
13062         (ipa_remove_method): Renamed to ipa_pop_func_from_list
13063         (ipa_callsite_param_count): Removed.
13064         (ipa_callsite_param_count_set): Removed.
13065         (ipa_callsite_param): Removed.
13066         (ipa_callsite_callee): Removed.
13067         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
13068         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
13069         (ipa_method_formal_count): Removed.
13070         (ipa_method_formal_count_set): Removed.
13071         (ipa_method_get_tree): Removed.
13072         (ipa_method_tree_map_create): Removed.
13073         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
13074         (ipa_create_param_decls_array): Creates the array itself
13075         (ipa_create_param_decls_array): Temporary variable info instead of
13076         a few dereferences.
13077         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
13078         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
13079         (get_type): Removed.
13080         (ipa_jf_get_info_type): Removed.
13081         (ipa_node_create): Renamed to ipa_create_node_params
13082         (ipa_free): Renamed to ipa_free_all_node_params
13083         (ipa_nodes_create): Renamed to ipa_create_all_node_params
13084         (ipa_edges_create): Renamed to ipa_create_all_edge_args
13085         (ipa_edges_free): Renamed to ipa_free_all_edge_args
13086         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
13087         (ipa_free_all_node_params): Deallocation to jump_functions moved to
13088         ipa_free_all_edge_args
13089         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
13090         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
13091         (ipa_create_methodlist_node): Removed.
13092         (ipa_methodlist_method): Removed.
13093         (ipa_methodlist_method_set): Removed.
13094         (ipa_methodlist_next_method): Removed.
13095         (ipa_methodlist_next_method_set): Removed.
13096         (ipa_method_is_modified): Removed.
13097         (ipa_method_modify_create): Removed.
13098         (ipa_method_modify_init): Temporary variable info instead of a few
13099         dereferences.
13100         (ipa_detect_param_modifications): Temporary variable info instead of
13101         a few dereferences.
13102         (ipa_compute_jump_functions): Temporary variable info instead of
13103         a few dereferences.
13104         (ipa_method_modify_set): Removed.
13105         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
13106         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
13107         than craph_node as the first parameter.
13108         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
13109         (ipa_method_modify_init): Removed.
13110         (ipa_compute_jump_functions): Added a temp variable instead of
13111         repeatadly dereferencing the cgraph_edge.aux pointer
13112         (ipa_callsite_param_set_type): Removed.
13113         (ipa_compute_jump_functions): i renamed to index and moved to
13114         an inner block
13115         (ipa_callsite_param_set_info_type_formal): Removed.
13116         (ipa_callsite_param_set_info_type): Removed.
13117         (ipa_callsite_param_map_create): Removed.
13118         (ipa_callsite_tree): Removed.
13119         (ipa_callsite_caller): Removed.
13120         (ipa_pop_func_from_list): return_method removed to return_func
13121
13122         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
13123         prefixed all values with IPA_. Changed all users.
13124         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
13125         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
13126         and FORMAL_IPATYPE IPA_PASS_THROUGH.
13127         (union parameter_info): Renamed to jump_func_value.
13128         (union jump_func_value): Renamed value to constant
13129         (struct ipa_jump_func): Renamed info_type to value
13130         (struct ipa_node): Renamed to ipa_node_params
13131         (struct ipa_node_params): Renamed ipa_arg_num to param_count
13132         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
13133         (struct ipa_node_params): Renamed ipa_mod to modified_flags
13134         (struct ipa_edge): Renamed to ipa_edge_args
13135         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
13136         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
13137         (struct ipa_methodlist): Renamed to ipa_func_list
13138         (struct ipa_func_list): method_p renamed to node, next_method
13139         renamed to next
13140         (ipa_methodlist_p): Removed, switched all users to struct pointer
13141         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
13142
13143 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
13144
13145         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
13146         (rs6000_emit_epilogue): Use backchain to restore only when we
13147         have a large frame.  Make use of frame pointer to restore if we
13148         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
13149
13150 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
13151
13152         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
13153         Add mode to zero_extract.
13154         (sign bit tests peepholes): (Ditto.).
13155
13156 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
13157
13158         * config/i386/i386.c (ix86_builtins): Replace Prescott New
13159         Instructions in comments with SSE3.
13160         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
13161         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
13162         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
13163         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
13164         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
13165         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
13166         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
13167         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
13168         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
13169         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
13170         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
13171         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
13172         (bdesc_sse_args): Renamed to ...
13173         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
13174         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
13175         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
13176         IX86_BUILTIN_FABSQ.
13177         (bdesc_1arg): Moved to ...
13178         (bdesc_args): Here.
13179         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
13180         Instructions in comments with SSE3.
13181         (ix86_expand_sse_operands_builtin): Renamed to ...
13182         (ix86_expand_args_builtin): This.  Updated.
13183         (ix86_expand_unop1_builtin): Update comments.
13184         (ix86_expand_builtin): Updated.
13185
13186 2008-04-29  Richard Guenther  <rguenther@suse.de>
13187
13188         PR tree-optimization/36078
13189         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
13190         Update virtual SSA form after cleaning up the CFG.
13191
13192 2008-04-29  Richard Guenther  <rguenther@suse.de>
13193
13194         PR middle-end/15255
13195         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
13196
13197 2008-04-29  Richard Guenther  <rguenther@suse.de>
13198
13199         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
13200         (compute_may_aliases): Do not call finalize_ref_all_pointers.
13201         (compute_flow_insensitive_aliasing): Do not treat
13202         PTR_IS_REF_ALL pointers special.
13203         (get_smt_for): Likewise.
13204         (may_alias_p): Re-structure.
13205         (is_escape_site): A ref-all pointer conversion is not an escape site.
13206         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
13207         PTR_IS_REF_ALL pointers special.
13208         * tree-ssa-structalias.h (struct alias_info): Remove
13209         ref_all_symbol_mem_tag field.
13210         (PTR_IS_REF_ALL): Remove.
13211
13212 2008-04-29  Richard Guenther  <rguenther@suse.de>
13213
13214         PR middle-end/36077
13215         * fold-const.c (extract_muldiv_1): In combining division constants
13216         make sure to never overflow.
13217
13218 2008-04-29  Nick Clifton  <nickc@redhat.com>
13219
13220         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
13221
13222 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13223
13224         PR bootstrap/35169
13225         * optc-gen.awk: Work around HP-UX/IA awk bug.
13226
13227 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
13228
13229         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
13230         2008-04-25 commit.
13231
13232 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
13233
13234         PR target/36073
13235         * config/i386/i386.md
13236         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
13237         Change operand 1 predicate to nonimmediate_operand.
13238
13239 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
13240
13241         PR debug/36060
13242         * dwarf2out.c (struct die_struct): Mark as chain_circular through
13243         die_sub field.
13244         * gengtype.c (walk_type, write_func_for_structure): Handle
13245         chain_circular.
13246         * doc/gty.texi: Document chain_circular.
13247
13248 2008-04-28  Richard Guenther  <rguenther@suse.de>
13249
13250         PR tree-optimization/36066
13251         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
13252         SCEV and loop.
13253
13254 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
13255
13256         PR target/36064
13257         * config/i386/i386.md
13258         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
13259         Use match_scratch instead of match_operand for operands 3 and 4.
13260
13261 2008-04-27  Richard Guenther  <rguenther@suse.de>
13262
13263         PR tree-optimization/18754
13264         PR tree-optimization/34223
13265         * tree-pass.h (pass_complete_unrolli): Declare.
13266         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
13267         loop size before and after unconditionally of UL_NO_GROWTH in effect.
13268         Rewrite loop into loop closed SSA form if it is not already.
13269         (tree_unroll_loops_completely): Re-structure to iterate over
13270         innermost loops with intermediate CFG cleanups.
13271         Unroll outermost loops only if requested or the code does not grow
13272         doing so.
13273         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
13274         loops are available.
13275         (tree_vectorize): Instead do so here.
13276         (tree_complete_unroll): Also unroll outermost loops.
13277         (tree_complete_unroll_inner): New function.
13278         (gate_tree_complete_unroll_inner): Likewise.
13279         (pass_complete_unrolli): New pass.
13280         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
13281         uses outside of the loop.
13282         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
13283         form if it is available.
13284         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
13285         * passes.c (init_optimization_passes): Schedule complete inner
13286         loop unrolling pass before the first CCP pass after final inlining.
13287
13288 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
13289
13290         * targhooks.h (default_emutls_var_fields,
13291         default_emutls_var_init): Declare.
13292         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
13293         * target.h (struct gcc_target): Add struct emutls member.
13294         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
13295         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
13296         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
13297         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
13298         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
13299         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
13300         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
13301         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
13302         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
13303         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
13304         emit debug information.
13305         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
13306         * varasm.c: Include targhooks.h.
13307         (emutls_object_section, emutls_tmpl_section): New.
13308         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
13309         (EMUTLS_SEPARATOR): New.
13310         (prefix_name): New.
13311         (get_emutls_object_name): New.
13312         (default_emutls_var_fields): New, broken out of ...
13313         (get_emutls_object_type): ... here.  Adjust to use target hooks.
13314         (get_emutls_init_templ_addr): Adjust to use target hooks.
13315         (emutls_decl): Adjust to use target hooks.
13316         (emutls_finish): Likewise.
13317         (default_emutls_var_init): New, broken out of ...
13318         (assemble_variable): ... here.  Adjust to use target hooks.
13319         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
13320         SECCAT_EMUTLS_TMPL.
13321         * c-common.c (handle_section_attribute): Prevent overriding
13322         sections for emulated tls with special sections.
13323         * config/i386/i386.c (x86_64_elf_select_section): Add
13324         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
13325         (x86_64_elf_unique_section): Likewise.
13326         * config/vxworks.c: Include tree.h.
13327         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
13328         (vxworks_override_options): Set TLS scheme.
13329         * doc/tm.texi (Emulated TLS): New node.
13330
13331 2008-04-26  Simon Baldwin <simonb@google.com>
13332
13333         PR c/35652
13334         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
13335         with propagated string constants.
13336
13337 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
13338
13339         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
13340         constraint for operand 2 when operand 0 is memory operand.
13341         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
13342         operand 0 is memory operand.
13343         (fix_trunc<mode>_i387_with_temp): Ditto.
13344         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
13345         operand 2 when operand 1 is memory operand.
13346         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
13347         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
13348         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
13349         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
13350         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
13351         operands 2,3 and 4 when operand 1 is memory operand.
13352         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
13353         is memory operand.
13354         (fistdi2_floor_with_temp): Ditto.
13355         (fist<mode>2_floor_with_temp): Ditto.
13356         (fistdi2_ceil_with_temp): Ditto.
13357         (fist<mode>2_ceil_with_temp): Ditto.
13358         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
13359
13360 2008-04-26  David Daney  <ddaney@avtrex.com>
13361
13362         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
13363         unspec_volitile.
13364         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
13365         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
13366         UNSPEC_UPDATE_GOT_VERSION): Renumber.
13367         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
13368         (compare_and_swap_12): New insn.
13369         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
13370         * config/mips/mips.c (mips_force_binary): New function.
13371         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
13372         (mips_expand_compare_and_swap_12): New function.
13373         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
13374
13375 2008-04-25  Jan Hubicka  <jh@suse.cz>
13376
13377         PR testsuite/35843
13378         * cfgexpand.c (pass_expand): Turn into RTL pass.
13379         * passes.c (execute_one_pass): Do pass typechecking after execution.
13380         * tree-pass.h (pass_expand): Turn into RTL pass.
13381
13382         * function.h (struct rtl_data): Move here fields
13383         accesses_prior_frames, calls_eh_return, saves_all_registers,
13384         has_nonlocal_goto, has_asm_statement, is_thunk,
13385         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
13386         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
13387         arg_pointer_save_area_init from struct function; turn into bool.
13388         (struct function): Move
13389         calls_eh_return, saves_all_registers, has_nonlocal_goto,
13390         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
13391         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
13392         tail_call_emit, arg_pointer_save_area_init
13393         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
13394         (current_function_returns_struct, current_function_returns_pcc_struct,
13395         current_function_calls_setjmp, current_function_calls_alloca,
13396         current_function_accesses_prior_frames,
13397         current_function_calls_eh_return, current_function_is_thunk,
13398         current_function_stdarg, current_function_profile,
13399         current_function_limit_stack, current_function_uses_pic_offset_table,
13400         current_function_uses_const_pool, current_function_has_nonlocal_label,
13401         current_function_saves_all_registers,
13402         current_function_has_nonlocal_goto,
13403         current_function_has_asm_statement): Remove accesor macros.
13404         * ra-conflict.c (global_conflicts): Update.
13405         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
13406         (suitable_for_tail_call_opt_p): Update.
13407         * builtins.c (expand_builtin_return_addr): Update.
13408         (expand_builtin_setjmp_setup): Update.
13409         (expand_builtin_nonlocal_goto): Update.
13410         * final.c (final_start_function): Update.
13411         (profile_function): Update.
13412         (leaf_function_p): Update.
13413         (only_leaf_regs_used): Update.
13414         * df-scan.c (df_get_exit_block_use_set): Update.
13415         * dojump.c (clear_pending_stack_adjust): Update.
13416         * tree-stdarg.c (gate_optimize_stdarg): Update.
13417         * gimple-low.c (lower_function_body): Update.
13418         * global.c (compute_regsets): Update.
13419         (global_alloc): Update.
13420         * dwarf2out.c (dwarf2out_begin_prologue): Update.
13421         * expr.c (expand_assignment): Update.
13422         * dse.c (dse_step0): Update.
13423         (dse_step1): Update.
13424         * c-decl.c (store_parm_decls): Update.
13425         * local-alloc.c (combine_regs): Update.
13426         (find_free_reg): Update.
13427         * function.c (assign_parms_augmented_arg_list): Update.
13428         (assign_parm_find_data_types): Update.
13429         (assign_parms): Update.
13430         (allocate_struct_function): Update.
13431         (expand_function_start): Update.
13432         (expand_function_end): Update.
13433         (get_arg_pointer_save_area): Update.
13434         (thread_prologue_and_epilogue_insns): Update.
13435         (rest_of_match_asm_constraints): Update.
13436         * stor-layout.c (variable_size): Update.
13437         * gcse.c (gcse_main): Update.
13438         (bypass_jumps): Update.
13439         * gimplify.c (gimplify_function_tree): Update.
13440         * calls.c (emit_call_1): Update.
13441         (expand_call): Update.
13442         * bt-load.c (compute_defs_uses_and_gen): Update.
13443         * except.c (sjlj_assign_call_site_values): Update.
13444         (sjlj_emit_function_enter): Update.
13445         (can_throw_external): Update.
13446         (set_nothrow_function_flags): Update.
13447         (expand_builtin_unwind_init): Update.
13448         (expand_eh_return): Update.
13449         (convert_to_eh_region_ranges): Update.
13450         (output_function_exception_table): Update.
13451         * emit-rtl.c (gen_tmp_stack_mem): Update.
13452         * cfgexpand.c (expand_used_vars): Update.
13453         (tree_expand_cfg): Update.
13454         * cfgcleanup.c (rest_of_handle_jump): Update.
13455         * explow.c (allocate_dynamic_stack_space): Update.
13456         * varasm.c (assemble_start_function): Update.
13457         (force_const_mem): Update.
13458         (mark_constant_pool): Update.
13459         * tree-optimize.c (tree_rest_of_compilation): Update.
13460         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
13461         * tree-cfg.c (notice_special_calls): Update.
13462         (is_ctrl_altering_stmt): Update.
13463         (tree_can_make_abnormal_goto): Update.
13464         (tree_purge_dead_abnormal_call_edges): Update.
13465         * config/alpha/predicates.md: Update.
13466         * config/alpha/alpha.c (alpha_sa_mask): Update.
13467         (alpha_sa_size): Update.
13468         (alpha_does_function_need_gp): Update.
13469         (alpha_expand_prologue): Update.
13470         (alpha_start_function): Update.
13471         (alpha_output_function_end_prologue): Update.
13472         (alpha_expand_epilogue): Update.
13473         * config/frv/frv.c (frv_stack_info): Update.
13474         (frv_expand_epilogue): Update.
13475         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
13476         (s390_register_info): Update.
13477         (s390_frame_info): Update.
13478         (s390_init_frame_layout): Update.
13479         (s390_can_eliminate): Update.
13480         (save_gprs): Update.
13481         * config/spu/spu.c (spu_split_immediate): Update.
13482         (need_to_save_reg): Update.
13483         (spu_expand_prologue): Update.
13484         (spu_expand_epilogue): Update.
13485         * config/sparc/sparc.md: Update.
13486         * config/sparc/sparc.c (eligible_for_return_delay): Update.
13487         (sparc_tls_got): Update.
13488         (legitimize_pic_address): Update.
13489         (sparc_emit_call_insn): Update.
13490         (sparc_expand_prologue): Update.
13491         (output_return): Update.
13492         (print_operand): Update.
13493         (sparc_function_ok_for_sibcall): Update.
13494         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
13495         * config/m32r/m32r.md: Update.
13496         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
13497         (m32r_compute_frame_size): Update.
13498         (m32r_expand_prologue): Update.
13499         (m32r_expand_epilogue): Update.
13500         (m32r_legitimize_pic_address): Update.
13501         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
13502         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13503         * config/i386/i386.c (ix86_frame_pointer_required): Update.
13504         (gen_push): Update.
13505         (ix86_save_reg): Update.
13506         (ix86_compute_frame_layout): Update.
13507         (ix86_expand_prologue): Update.
13508         (ix86_expand_epilogue): Update.
13509         * config/sh/sh.c (output_stack_adjust): Update.
13510         (calc_live_regs): Update.
13511         (sh5_schedule_saves): Update.
13512         (sh_expand_prologue): Update.
13513         (sh_expand_epilogue): Update.
13514         (sh_setup_incoming_varargs): Update.
13515         (sh_allocate_initial_value): Update.
13516         (sh_get_pr_initial_val): Update.
13517         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
13518         * config/sh/sh.md (label:): Update.
13519         * config/avr/avr.c (out_movhi_mr_r): Update.
13520         * config/crx/crx.h (enum): Update.
13521         * config/xtensa/xtensa.h (along): Update.
13522         * config/stormy16/stormy16.c Update.
13523         (xstormy16_compute_stack_layout): Update.
13524         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
13525         (fr30_expand_prologue): Update.
13526         * config/cris/cris.c (cris_conditional_register_usage): Update.
13527         (cris_reg_saved_in_regsave_area): Update.
13528         (cris_initial_frame_pointer_offset): Update.
13529         (cris_simple_epilogue): Update.
13530         (cris_expand_prologue): Update.
13531         (cris_expand_epilogue): Update.
13532         (cris_expand_pic_call_address): Update.
13533         (cris_asm_output_symbol_ref): Update.
13534         (cris_asm_output_label_ref): Update.
13535         * config/cris/cris.md Update.
13536         * config/iq2000/iq2000.c (compute_frame_size): Update.
13537         (iq2000_expand_epilogue): Update.
13538         * config/mt/mt.h (save_direction): Update.
13539         * config/mn10300/mn10300.c (mn10300_function_value): Update.
13540         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
13541         (ia64_secondary_reload_class): Update.
13542         * config/m68k/m68k.c (m68k_save_reg): Update.
13543         (m68k_expand_prologue): Update.
13544         (m68k_expand_epilogue): Update.
13545         (legitimize_pic_address): Update.
13546         * config/rs6000/rs6000.c (rs6000_got_register): Update.
13547         (first_reg_to_save): Update.
13548         (first_altivec_reg_to_save): Update.
13549         (compute_vrsave_mask): Update.
13550         (compute_save_world_info): Update.
13551         (rs6000_stack_info): Update.
13552         (spe_func_has_64bit_regs_p): Update.
13553         (rs6000_ra_ever_killed): Update.
13554         (rs6000_emit_eh_reg_restore): Update.
13555         (rs6000_emit_allocate_stack): Update.
13556         (rs6000_emit_prologue): Update.
13557         (rs6000_emit_epilogue): Update.
13558         (rs6000_output_function_epilogue): Update.
13559         (output_profile_hook): Update.
13560         (rs6000_elf_declare_function_name): Update.
13561         * config/rs6000/rs6000.h (rs6000_args): Update.
13562         * config/rs6000/rs6000.md: Update.
13563         * config/mcore/mcore.c (mcore_expand_prolog): Update.
13564         * config/arc/arc.c (arc_output_function_epilogue): Update.
13565         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
13566         * config/darwin.c (machopic_function_base_name): Update.
13567         * config/score/score3.c (score3_compute_frame_size): Update.
13568         (rpush): Update.
13569         (rpop): Update.
13570         (score3_epilogue): Update.
13571         * config/score/score7.c (score7_compute_frame_size): Update.
13572         (score7_prologue): Update.
13573         (score7_epilogue): Update.
13574         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
13575         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13576         * config/arm/arm.c (use_return_insn): Update.
13577         (require_pic_register): Update.
13578         (arm_load_pic_register): Update.
13579         (arm_compute_save_reg0_reg12_mask): Update.
13580         (arm_compute_save_reg_mask): Update.
13581         (thumb1_compute_save_reg_mask): Update.
13582         (output_return_instruction): Update.
13583         (arm_output_function_prologue): Update.
13584         (arm_output_epilogue): Update.
13585         (arm_get_frame_offsets): Update.
13586         (arm_expand_prologue): Update.
13587         (thumb_pushpop): Update.
13588         (thumb_exit): Update.
13589         (thumb1_expand_prologue): Update.
13590         (thumb1_expand_epilogue): Update.
13591         (arm_unwind_emit): Update.
13592         (arm_output_fn_unwind): Update.
13593         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
13594         * config/arm/arm.md: Update.
13595         * config/pa/pa.md: Update.
13596         * config/pa/pa.c (legitimize_pic_address): Update.
13597         (compute_frame_size): Update.
13598         (hppa_expand_prologue): Update.
13599         (hppa_expand_epilogue): Update.
13600         (borx_reg_operand): Update.
13601         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
13602         (HARD_REGNO_RENAME_OK): Update.
13603         * config/mips/mips.c (mips_global_pointer): Update.
13604         (mips_save_reg_p): Update.
13605         (mips_compute_frame_info): Update.
13606         (mips_frame_pointer_required): Update.
13607         (mips_expand_prologue): Update.
13608         (mips_expand_epilogue): Update.
13609         (mips_can_use_return_insn): Update.
13610         (mips_reorg_process_insns): Update.
13611         * config/v850/v850.c (compute_register_save_size): Update.
13612         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
13613         * config/mmix/mmix.c (along): Update.
13614         (mmix_expand_epilogue): Update.
13615         * config/bfin/bfin.c (legitimize_pic_address): Update.
13616         (must_save_p): Update.
13617         (stack_frame_needed_p): Update.
13618         (add_to_reg): Update.
13619         (bfin_expand_prologue): Update.
13620         * stmt.c (expand_asm_operands): Update.
13621         * reload1.c (reload): Update.
13622         (init_elim_table): Update.
13623
13624 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
13625
13626         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
13627
13628 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
13629
13630         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
13631         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
13632         (mov<mode>): Removed.
13633         (*movv4sf_internal): Likewise.
13634         (*movv2df_internal): Likewise.
13635
13636 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
13637
13638         * config.gcc (crx-*-elf): Remove deprecation.
13639
13640 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
13641
13642         * config/i386/cygming-crtend.c (register_frame_ctor): Register
13643         __gcc_deregister_frame with atexit.
13644         (deregister_frame_dtor): Remove.
13645
13646 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
13647             Nathan Sidwell  <nathan@codesourcery.com>
13648
13649         * config/rs6000/rs6000.opt (mspe): Remove Var property.
13650         (misel): Likewise.
13651         * config/rs6000/rs6000.h (rs6000_spe): Declare.
13652         (rs6000_isel): Likewise.
13653         * config/rs6000/rs6000.c (rs6000_spe): New variable.
13654         (rs6000_isel): New variable.
13655         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
13656
13657 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13658
13659         PR c++/35758
13660         * c-common.c (handle_vector_size_attribute): Call
13661         lang_hooks.types.reconstruct_complex_type instead of
13662         reconstruct_complex_type.
13663         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
13664         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
13665         * langhooks.h (struct lang_hooks_for_types): Add
13666         reconstruct_complex_type hook.
13667         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
13668         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
13669
13670 2008-04-24  Richard Guenther  <rguenther@suse.de>
13671
13672         * c-common.h (check_builtin_function_arguments): Declare.
13673         * c-common.c (validate_nargs): New function.
13674         (check_builtin_function_arguments): Likewise.
13675         * c-typeck.c (build_function_call): Call
13676         check_builtin_function_arguments.
13677         * builtins.c (fold_builtin_classify): Remove error reporting code.
13678         (fold_builtin_unordered_cmp): Likewise.
13679         (fold_builtin_1): Likewise.
13680         (fold_builtin_n): Likewise.
13681
13682 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13683
13684         PR tree-optimization/36008
13685         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
13686         the original op1, rather than delta by step.
13687
13688 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
13689             Sebastian Pop  <sebastian.pop@amd.com>
13690
13691         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
13692         eliminate_local_variables_stmt, eliminate_local_variables,
13693         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
13694         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
13695         of code delimited by two edges in the CFG.
13696         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
13697         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
13698         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
13699         the case of parallelisation of reductions.
13700         (expr_invariant_in_region_p): New.
13701
13702         * tree-flow.h (gather_blocks_in_sese_region): Declared.
13703         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
13704
13705 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13706             Richard Guenther  <rguenther@suse.de>
13707
13708         PR tree-optimization/36034
13709         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
13710         incapable of dealing with loads with gaps.
13711
13712 2008-04-24  Rafael Espindola  <espindola@google.com>
13713
13714         * tree-flow.h (vrp_evaluate_conditional): Change signature.
13715         * tree-ssa-propagate.c (fold_predicate_in): Update call to
13716         vrp_evaluate_conditional.
13717         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
13718         (vrp_evaluate_conditional): Split the cond argument.
13719         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
13720         (simplify_stmt_for_jump_threading): Update call to
13721         vrp_evaluate_conditional.
13722
13723 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13724
13725         PR tree-optimization/35982
13726         * tree-vect-analyze.c (vect_check_interleaving): Check that the
13727         interleaved data-refs are of the same type.
13728
13729 2008-04-24  Danny Smith  <dannysmith@users.net>
13730
13731         * c-format.c (check_format_info_main): Use strncmp rather than a
13732         magic prefix to handle multichar length specs.
13733         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
13734         Don't prefix "I64" and "I32" with '\0'.
13735
13736 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13737
13738         PR target/36015
13739         * config/i386/i386.c (init_cumulative_args): Don't pass anything
13740         in registers for -m32 only if stdarg_p (fntype).
13741
13742 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
13743
13744         PR rtl-optimization/36006
13745         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
13746         temp to op0 in order to avoid invalid rtx sharing.
13747
13748 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13749
13750         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
13751         check TREE_INVARIANT.
13752         * tree-gimple.c (is_gimple_address): New.
13753         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
13754         * tree-gimple.h (is_gimple_address): New.
13755         * tree.h (decl_address_invariant_p): New.
13756         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
13757         (build_string): Likewise.
13758         (decl_address_invariant_p): New, from is_gimple_invariant_address.
13759         (tree_invariant_p_1): Likewise.
13760         (save_expr): Use it.
13761         (tree_invariant_p): New.
13762         (skip_simple_arithmetic): Use it.
13763         (stabilize_reference_1): Use it.
13764         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
13765         simplify.
13766         (build1_stat): Drop code to compute TREE_INVARIANT.
13767         (build2_stat): Drop code to compute TREE_INVARIANT.
13768         (build3_stat): Drop code to compute TREE_INVARIANT.
13769         (build4_stat): Drop code to compute TREE_INVARIANT.
13770         (build5_stat): Drop code to compute TREE_INVARIANT.
13771         (build7_stat): Drop code to compute TREE_INVARIANT.
13772         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
13773         * tree.h (struct tree_base): Remove invariant_flag.
13774         (TREE_INVARIANT): Remove.
13775         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
13776         (fold_builtin_expect): Check TREE_CONSTANT.
13777         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
13778         * c-tree.h (c_expr_to_decl): Drop third parameter.
13779         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
13780         (build_c_cast): Don't set TREE_INVARIANT.
13781         (pop_init_level): Don't set TREE_INVARIANT.
13782         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
13783         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
13784         TREE_CONSTANT.
13785         (gimplify_init_constructor): Don't set TREE_INVARIANT.
13786         (gimplify_addr_expr): Adjust comment.
13787         * tree-mudflap.c (mf_build_string):
13788         * print-tree.c (print_node): Don't print TREE_INVARIANT.
13789         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
13790         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
13791         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
13792         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
13793         * langhooks.h (struct lang_hooks): Drop third parameter from
13794         expr_to_decl.
13795
13796 2008-04-23  Richard Guenther  <rguenther@suse.de>
13797
13798         PR tree-optimization/27799
13799         PR tree-optimization/32921
13800         PR tree-optimization/32624
13801         * tree-ssa-structalias.c (merge_smts_into): Only merge the
13802         SMTs aliases and the tag itself into the solution.
13803         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
13804         merge the points-to solution back into the SMT aliases.
13805         (may_alias_p): Use alias_set_subset_of instead of
13806         aliases_conflict_p.  A pointer which points to
13807         memory with alias set zero may access any variable.
13808
13809 2008-04-23  Richard Guenther  <rguenther@suse.de>
13810
13811         * alias.c (alias_set_subset_of): Correctly handle asking
13812         if zero is a subset of an alias set with zero child.
13813         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
13814         (compute_flow_insensitive_aliasing): Correctly walk all
13815         pointers.  Do not unnecessarily union sets.
13816
13817 2008-04-23  Richard Guenther  <rguenther@suse.de>
13818
13819         PR middle-end/36021
13820         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
13821
13822 2008-04-22  Tomas Bily  <tbily@suse.cz>
13823
13824         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
13825         unreachable case.
13826         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
13827         NON_LVALUE_EXPR.
13828         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
13829         * tree-ssa-structalias.c (get_constraint_for): Likewise.
13830         * tree-inline.c (estimate_num_insns_1): Likewise.
13831         * varasm.c (const_hash_1, compare_constant, copy_constant)
13832         (compute_reloc_for_constant, output_addressed_constants): Likewise.
13833         * emit-rtl.c (component_ref_for_mem_expr)
13834         (set_mem_attributes_minus_bitpos): Likewise.
13835         * expr.c (highest_pow2_factor, expand_expr_real_1, )
13836         (is_aligning_offset): Likewise.
13837         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
13838         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
13839         * dojump.c (do_jump): Likewise.
13840         * builtins.c (get_pointer_alignment, get_memory_rtx)
13841         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
13842         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
13843
13844 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
13845
13846         PR rtl-optimization/36017
13847         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
13848         expanding the library call.
13849
13850 2008-04-22  Ian Lance Taylor  <iant@google.com>
13851
13852         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
13853         than size_in_bytes.
13854
13855 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
13856
13857         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
13858         of LR/CTR moves for Power6.
13859
13860 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
13861
13862         PR middle-end/36003
13863         * passes.c (init_optimization_passes): Remove
13864         pass_fast_rtl_byte_dce.
13865
13866 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
13867
13868         PR target/29096
13869         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
13870         builtin functions to generate faster code.
13871         (_mm_cvtpu16_ps): Ditto.
13872         (_mm_cvtpi32x2_ps): Ditto.
13873
13874 2008-04-22  Nick Clifton  <nickc@redhat.com>
13875
13876         * common.opt (ftree-loop-distribution): Add Optimization
13877         attribute.
13878
13879         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
13880         (frv_expand_builtin_va_start): Likewise.
13881
13882         * config/arm/arm.c (thumb_find_work_register): Fix location of
13883         argument register count.
13884
13885 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13886
13887         Support scheduling for ColdFire V1 and V3 microarchitecture.
13888         Improve scheduling of multiplication instructions.
13889
13890         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
13891         (mac): New instruction attribute.
13892         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
13893         (m68k_sched_mac): New variable.
13894         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
13895         Handle cfv1 and cfv3.
13896         (max_insn_size): New static variable.
13897         (struct _sched_ib): New type.
13898         (sched_ib): New static variable.
13899         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
13900         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
13901         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
13902         Update.
13903         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
13904         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
13905         new variables.  Update.
13906         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
13907         Add modeling of cfv3 instruction buffer.  Update.
13908         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
13909         * config/m68k/m68k.h (TUNE_CFV3): New macro.
13910         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
13911         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
13912         a particular reservation applies to.
13913         (type2): Reorganize attribute values.  Rename alu to alu_reg,
13914         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
13915         to mul_l and mul_w.
13916         (cf_ib_*): Simplify description of instruction buffer.
13917         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
13918         (cf_mem): Split into cf_mem1 and cf_mem2.
13919         (cf_v2_move_??): Rename to cfv12_alu_??.
13920         (cf_v2_move_l_??): Rename to cfv12_omove_??.
13921         (cf_v2_mul_??): Remove reservations.
13922         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
13923         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
13924         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
13925         appropriate place.
13926         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
13927         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
13928         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
13929         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
13930         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
13931         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
13932         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
13933         expansions of the above reservations for instructions of sizes
13934         1, 2 and 3 words.
13935
13936 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13937
13938         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
13939
13940 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
13941
13942         * coverage.c: Include tree-pass.h.
13943         (coverage_counter_alloc): Print da_file_name to the dump file.
13944
13945 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
13946
13947         * sbitmap.c (sbitmap_range_empty_p): New function.
13948         * sbitmap.h (sbitmap_range_empty_p): New function.
13949         * bitmap.h: Now includes obstack.h.
13950
13951 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
13952             Kenneth Zadeck  <zadeck@naturalbridge.com>
13953
13954         * dbgcnt.def (ra_byte_scan): Added.
13955         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
13956         when the last hit happens for a counter.
13957         * timevar.def (TV_DF_BYTE_LR): New variable.
13958         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
13959         * passes.c (pass_fast_rtl_byte_dce): New pass.
13960         * fwprop.c (update_df): Added mode to call df_ref_create.
13961         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13962         DF_REF_EXTRACT_OFFSET.
13963         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
13964         DF_BYTE_LR_OUT, df_byte_lr): New macro.
13965         (df_mm): New enum.
13966         (df_ref_extract): Added mode field.
13967         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
13968         DF_REF_EXTRACT_OFFSET.
13969         (DF_REF_EXTRACT_MODE): New macro.
13970         (df_byte_lr_bb_info): New structure.
13971         (df_print_byte_regset, df_compute_accessed_bytes,
13972         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
13973         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
13974         df_byte_lr_simulate_uses,
13975         df_byte_lr_simulate_artificial_refs_at_top,
13976         df_byte_lr_simulate_artificial_refs_at_end,
13977         df_compute_accessed_bytes): New function.
13978         (df_ref_create): Add parameter.
13979         (df_byte_lr_get_bb_info): New inline function.
13980         * df-scan.c (df_ref_record, df_uses_record,
13981         df_ref_create_structure): Added mode parameter.
13982         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
13983         df_defs_record, df_uses_record, df_get_conditional_uses,
13984         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
13985         df_entry_block_defs_collect, df_exit_block_uses_collect):
13986         Added mode parameter to calls to df_ref_record, df_uses_record,
13987         df_ref_create_structure.
13988         (df_ref_equal_p, df_ref_compare): Added test for modes.
13989         (df_ref_create_structure): Added code to set mode.  Renamed
13990         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13991         DF_REF_EXTRACT_OFFSET.
13992         * df-core.c (df_print_byte_regset): New function.
13993         * df-byte-scan.c: New file.
13994         * df-problems.c (df_rd_transfer_function): Removed unnecessary
13995         calls to BITMAP_FREE.
13996         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
13997         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
13998         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
13999         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
14000         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
14001         df_byte_lr_local_compute, df_byte_lr_init,
14002         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
14003         df_byte_lr_transfer_function, df_byte_lr_free,
14004         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
14005         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
14006         df_byte_lr_simulate_uses,
14007         df_byte_lr_simulate_artificial_refs_at_top,
14008         df_byte_lr_simulate_artificial_refs_at_end): New function.
14009         * dce.c (byte_dce_process_block): New function.
14010         (dce_process_block): au is now passed in rather than computed
14011         locally.  Changed loops that look at artificial defs to not look
14012         for conditional or partial ones, because there never are any.
14013         (fast_dce): Now is able to drive byte_dce_process_block or
14014         dce_process_block depending on the kind of dce being done.
14015         (rest_of_handle_fast_dce): Add parameter to fast_dce.
14016         (rest_of_handle_fast_byte_dce): New function.
14017         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
14018         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
14019
14020 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
14021
14022         PR fortran/35019
14023         * gcc.h: Added fortran options that take arguments to
14024         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
14025         macros.
14026
14027 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
14028
14029         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
14030         scalarization if on the LHS and not a full access.
14031
14032 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14033
14034         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
14035
14036 2008-04-18  Rafael Espindola  <espindola@google.com>
14037
14038         * tree-vrp.c (find_case_label_index): Fix the binary search.
14039         (find_case_label_range): New.
14040         (vrp_visit_switch_stmt): Use find_case_label_range.
14041         (simplify_switch_using_ranges): Use find_case_label_range.
14042
14043 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
14044
14045         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
14046         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
14047
14048 2008-04-18  Tom Tromey  <tromey@redhat.com>
14049
14050         PR libcpp/15500:
14051         * doc/cpp.texi (Implementation-defined behavior): Mention
14052         -finput-charset.
14053
14054 2008-04-18  Ian Lance Taylor  <iant@google.com>
14055
14056         * fold-const.c (pointer_may_wrap_p): New static function.
14057         (fold_comparison): Add another test for pointer overflow.  Use
14058         pointer_may_wrap_p to disable some false positives.
14059
14060 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
14061
14062         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
14063         (fname_as_string): Match updated cpp_interpret_string prototype.
14064         (fix_string_type): Support char16_t* and char32_t*.
14065         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
14066         derivative) nodes.  Register as builtin if C++0x.
14067         (c_parse_error): Support CPP_CHAR{16,32}.
14068         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
14069         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
14070         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
14071         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
14072         CTI_CHAR32_ARRAY_TYPE>: New elements.
14073         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
14074         char32_type_node, signed_char32_type_node, char16_array_type_node,
14075         char32_array_type_node): New defines.
14076         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
14077         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
14078         (lex_string): Support CPP_STRING{16,32}, match updated
14079         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
14080         (lex_charconst): Support CPP_CHAR{16,32}.
14081         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
14082         and CPP_STRING{16,32}.
14083
14084 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
14085
14086         PR bootstrap/35457
14087         * aclocal.m4: Regenerate.
14088         * configure: Regenerate.
14089
14090 2008-04-18  Jan Hubicka  <jh@suse.cz>
14091
14092         * except.c (dw2_size_of_call_site_table,
14093         sjlj_size_of_call_site_table): Use vector API for call_site_record.
14094
14095         * cgraphbuild.c (build_cgraph_edges): Update.
14096         * tree-pass.h: Update comment.
14097         * final.c (leaf_function_p): Update.
14098         (leaf_renumber_regs): Update.
14099         (rest_of_clean_state): Update.
14100         * omp-low.c (expand_omp_parallel): Update.
14101         * ipa-reference.c (analyze_function): Update.
14102         * reorg.c (find_end_label): Update.
14103         (optimize_skip): Update.
14104         (fill_simple_delay_slots): Update.
14105         (fill_simple_delay_slots): Update.
14106         (make_return_insns): Update.
14107         (dbr_schedule): Update.
14108         * gimple-low.c (record_vars_into): Update.
14109         * cfgbuild.c (make_edges): Update.
14110         * function.c (assign_stack_local): Update.
14111         (assign_parm_adjust_stack_rtl): Update.
14112         (locate_and_pad_parm): Update.
14113         (allocate_struct_function): Do not initialize stack_alignment_needed
14114         and preferred_stack_boundary here.
14115         (stack_protect_prologue): Update.
14116         (stack_protect_epilogue): Update.
14117         (expand_function_start): Initialize stack_alignment_needed,
14118         preferred_stack_boundary and max_jumptable_ents.
14119         (expand_function_end): Update.
14120         (free_after_compilation): Do not NULLify epilogue_delay_list.
14121         * function.h (struct rtl_data): Add stack_protect_guard,
14122         stack_alignment_needed,
14123         preferred_stack_boundary, epilogue_delay_list.
14124         (struct function): Remove value_histograms, stack_alignment_needed,
14125         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
14126         last_label_uid,
14127         unexpanded_var_list, stack_protect_guard.
14128         (current_function_epilogue_delay_list): Remove.
14129         * ipa-type-escape.c (analyze_function): Update.
14130         * gimplify.c (pop_gimplify_context): Update comment.
14131         * calls.c (expand_call): Update.
14132         (emit_library_call_value_1): Update.
14133         * except.c (set_nothrow_function_flags): Update.
14134         * cfgexpand.c (get_decl_align_unit): Update.
14135         (create_stack_guard): Update.
14136         (estimated_stack_frame_size): Update.
14137         (expand_used_vars): Update.
14138         (tree_expand_cfg): Free histogram earliers, init expansion variables.
14139         * explow.c (allocate_dynamic_stack_space): Update.
14140         * tree-ssa-live.c (remove_unused_locals): Update.
14141         * varasm.c (mark_constant_pool): Update.
14142         * tree-inline.c (remap_decls): Update.
14143         (initialize_cfun): Update.
14144         (declare_return_variable): Update.
14145         (inline_forbidden_p): Update.
14146         (expand_call_inline): Update.
14147         (declare_inline_vars): Update.
14148         (tree_function_versioning): Update.
14149         * tree-flow.h (value_histograms): New.
14150         (VALUE_HISTOGRAMS): New macro.
14151         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
14152         last_label_uid.
14153         * tree-cfg.c (set_bb_for_stmt): Update.
14154         (replace_by_duplicate_decl): Update.
14155         (move_block_to_fn): Update.
14156         (new_label_mapper): Update.
14157         (dump_function_to_file): Update.
14158         * ipa-struct-reorg.c (build_data_structure): Update.
14159         * cfgrtl.c (print_rtl_with_bb): Update.
14160         * reload1.c (reload): Update.
14161         (reload): Update.
14162         * config/i386/i386.c (setup_incoming_varargs_64,
14163         ix86_compute_frame_layout): Update.
14164         * config/arc/arc.c (arc_output_function_epilogue): Update.
14165
14166 2008-04-18  Marius Strobl <marius@FreeBSD.org>
14167
14168         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
14169         for FreeBSD as well.
14170         * gthr-posix95.h: Likewise.
14171
14172 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
14173
14174         PR rtl-optimization/35838
14175         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
14176         out the byte offset of the first subreg.
14177
14178 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
14179
14180         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
14181         to split_ti instead of three separate calls with single member arrays.
14182         (subti3 splitter): Ditto.
14183         (adddi3 splitter): Ditto with split_di.
14184         (subdi3 splitter): Ditto.
14185         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
14186         two separate calls with single member arrays.  Swap match_dup
14187         operands 1 and 2 to better fit into the array.
14188         (negdi2 splitter): Ditto with split_di.
14189         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
14190         two separate calls with single member arrays.  Swap match_dup operands
14191         6 and 7 to better fit into the array.
14192
14193 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
14194
14195         * config/i386/i386.c (sse_builtin_type): New.
14196         (bdesc_sse_args): Likewise.
14197         (bdesc_sse_3arg): Removed.
14198         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
14199         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
14200         IX86_BUILTIN_ROUNDPS.
14201         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
14202         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
14203         IX86_BUILTIN_ROUNDPS.
14204         (ix86_expand_sse_4_operands_builtin): Removed.
14205         (ix86_expand_sse_operands_builtin): New.
14206         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
14207         and CODE_FOR_sse4_1_roundps.
14208         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
14209         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
14210
14211 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
14212
14213         PR target/35907
14214         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
14215         regs before frame pop when needed.  If use_backchain_to_restore_sp
14216         then load backchain into a temp reg to restore vr and vrsave.  Add
14217         code to restore vr after frame pop if possible.
14218
14219 2008-04-17  Richard Guenther  <rguenther@suse.de>
14220
14221         * tree-vn.c (expressions_equal_p): Do not check type
14222         equality or compatibility before calling operand_equal_p.
14223         * fold-const.c (operand_equal_p): Check equivalence of
14224         integer constants before bailing out due to signedness or
14225         precision differences.
14226         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
14227         spurious differences in type qualification.  Ignore types
14228         for COMPONENT_REFs at all.
14229
14230 2008-04-17  Christian Bruel  <christian.bruel@st.com>
14231
14232         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
14233         msw_skip comparison.
14234
14235 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
14236
14237         PR c/35739
14238         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
14239         reg type.
14240
14241         PR tree-optimization/35899
14242         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
14243         rather than TREE_OPERAND.
14244
14245 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
14246
14247         PR target/35944
14248         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
14249         temporary registers.  Change operand predicate to general_operand.
14250         (remainderxf3): Ditto.
14251
14252 2008-04-16  Richard Guenther  <rguenther@suse.de>
14253
14254         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
14255         * tree-affine.c (aff_combination_expand): Look through some
14256         conversions.
14257
14258 2008-04-15  Doug Kwan  <dougkwan@google.com>
14259
14260         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
14261         for hex printing.
14262         * tree-pretty-print.c (dump_generic_node): Ditto.
14263         * final.c (output_addr_const): Ditto.
14264         * dwarf2out.c (output_cfi): Ditto.
14265         * c-pretty-print.c (pp_c_integer_constant): Ditto.
14266         * print-rtl.c (print_rtx): Ditto.
14267         * print-tree.c (print_node_brief, print_node): Ditto.
14268         * c-common.c (match_case_to_enum_1): Ditto.
14269         * sched-vis.c (print_value): Ditto.
14270         * config/i386/i386.c (print_operand): Cast to long unsigned int
14271         for hex printing.
14272
14273 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
14274         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
14275         MS Windows VirtualProtect function.
14276
14277 2008-04-15  Jan Hubicka  <jh@suse.cz>
14278
14279         * gengtype.c (write_root): Param_is argument is OK.
14280         * expr.c (expand_expr_real_1): Update call of get_exception_*.
14281         * function.h: Include varray.h
14282         (rtl_eh): New stucture based on except.c one.
14283         (call_site_record): New forward declaration and vector type.
14284         * calls.c (emit_call_1): Do not call
14285         note_current_region_may_contain_throw.
14286         * except.c (eh_status): Remove cur_region, try_region since they are
14287         unused.
14288         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
14289         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
14290         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
14291         Remove call_site_data_used, call_site_data_size.
14292         Turn call_site_record into vector in function.h.
14293         (note_current_region_may_contain_throw): Remove.
14294         (get_exception_pointer, get_exception_filter): Do not take struct
14295         function argument; update.
14296         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
14297         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
14298         build_post_landing_pads, dw2_build_landing_pads,
14299         sjlj_assign_call_site_values, sjlj_mark_call_sites,
14300         sjlj_emit_function_enter, sjlj_emit_function_enter,
14301         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
14302         sjlj_build_landing_pads, finish_eh_generation,
14303         remove_exception_handler_label, remove_eh_handler,
14304         maybe_remove_eh_handler, add_reachable_handler,
14305         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
14306         add_action_record, collect_one_action_chain, add_call_site,
14307         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
14308         sjlj_output_call_site_table, output_function_exception_table,
14309         * except.h (note_current_region_may_contain_throw): Remove
14310         (get_exception_pointer, get_exception_filter): Do not take struct
14311         function argument.
14312         * Makefile.in (GTFILES): Put varargs before struct function.
14313
14314 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
14315
14316         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
14317         punt for STRING_CST.
14318         (get_constraint_for): Deal with STRING_CST here instead.
14319
14320 2008-04-15  Richard Guenther  <rguenther@suse.de>
14321
14322         * tree-ssa-propagate.c (substitute_and_fold): Substitute
14323         statements in a basic-block with a backward walk.  Do not
14324         substitute into dead statements but instead remove those.
14325
14326 2008-04-15  Richard Guenther  <rguenther@suse.de>
14327
14328         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
14329         to zero, thus disable creation of SFTs.
14330
14331 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
14332
14333         * tree-predcom.c (suitable_reference_p): Return false if the
14334         reference can throw.
14335
14336 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
14337
14338         PR c/35751
14339         * c-decl.c (finish_decl): If extern or static var has variable
14340         size, set TREE_TYPE (decl) to error_mark_node.
14341
14342 2008-04-15  Rafael Espindola  <espindola@google.com>
14343
14344         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
14345         variable arg1.
14346
14347 2008-04-15  Richard Guenther  <rguenther@suse.de>
14348
14349         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
14350         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
14351         (visit_reference_op_load): Do walk vuse-vdef chains on
14352         vn_reference_lookup.
14353         (visit_reference_op_store): But do not here.
14354         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
14355         vn_reference_lookup.
14356         (vn_lookup_with_vuses): But do so here.
14357
14358 2008-04-14  Ian Lance Taylor  <iant@google.com>
14359
14360         * fold-const.c (fold_overflow_warning): Remove assertion.
14361
14362 2008-04-15  Ben Elliston  <bje@au.ibm.com>
14363
14364         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
14365         temp1 local variables.
14366
14367 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
14368
14369         PR target/35661
14370         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
14371         ".text.unlikely" section as executable.
14372
14373 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
14374
14375         * config/ia64/ia64.c (rtx_needs_barrier): Handle
14376         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
14377         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
14378         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
14379         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
14380         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
14381         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
14382
14383 2008-04-14  Ian Lance Taylor  <iant@google.com>
14384
14385         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
14386         * fold-const.c (fold_comparison): If appropriate, test
14387         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
14388         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
14389         reassociating a pointer type.
14390         * doc/invoke.texi (Optimize Options): Document that
14391         -fstrict-overflow applies to pointer wraparound.
14392
14393 2008-04-13  Jan Hubicka  <jh@suse.cz>
14394
14395         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
14396
14397 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
14398
14399         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
14400         we are going to "save the world".
14401
14402 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
14403
14404         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
14405         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
14406         operand 0 constraint, not "=".
14407
14408 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
14409
14410         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
14411
14412 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14413
14414         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
14415         of size of positions_needed * CHAR_BIT.
14416
14417 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14418
14419         PR middle-end/35897
14420         * dse.c (store_info): Change positions_needed to unsigned
14421         HOST_WIDE_INT.
14422         (lowpart_bitmask): New.
14423         (record_store): Cast to unsigned HOST_WIDE_INT for
14424         positions_needed.  Assert width <= size of positions_needed *
14425         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
14426         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
14427         lowpart_bitmask to set mask.
14428
14429 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
14430
14431         * config/bfin/constraints.md: New file.
14432         * config/bfin/bfin.md: Include it.
14433         (adddi3): Use satisfies_constraint functions instead of the old macros.
14434         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
14435         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
14436         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
14437         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
14438         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
14439         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
14440         EXTRA_CONSTRAINT): Delete.
14441         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
14442         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
14443         of the old macros.
14444         * config/bfin/bfin.c: Include "tm-constrs.h".
14445         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
14446         Use satisfies_constraint functions instead of the old macros.
14447         * doc/md.texi (Blackfin Constraints): Update file name reference.
14448
14449 2008-04-11  Richard Guenther  <rguenther@suse.de>
14450
14451         PR tree-optimization/35869
14452         * tree-vrp.c (execute_vrp): Move switch statement update after
14453         jump threading.  Schedule another cfg cleanup run.
14454
14455 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
14456
14457         PR c/35744
14458         * attribs.c (decl_attributes): Return early on errorneous node.
14459
14460 2008-04-10  Oleg Ryjkov  <olegr@google.com>
14461
14462         * tree.h (struct tree_base): Added a new flag default_def_flag.
14463         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
14464
14465 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
14466
14467         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
14468
14469 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14470
14471         PR target/35768
14472         * pa.md: Define mode iterator P.  Define mode attribute dwc.
14473         (dcacheflush): Update pattern to use iterator P and attribute dwc.
14474         (icacheflush): Likewise.
14475         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
14476         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
14477
14478 2008-04-11  Ben Elliston  <bje@au.ibm.com>
14479
14480         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
14481
14482 2008-04-10  Rafael Espindola  <espindola@google.com>
14483
14484         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
14485         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
14486         (extract_range_from_expr): The same.
14487
14488 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14489
14490         * config/mips/mips.md (GPR2): New mode iterator.
14491         (seq): Add comment.
14492         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
14493         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
14494         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
14495         Rewrite these to take two modes, the mode of comparison and the
14496         mode of the destination.
14497         * config/mips/mips.c (mips_expand_scc): Instead of having
14498         paradoxical subreg as destination, expand "narrowing" scc if mode
14499         of comparison is SI and target is requested in DI mode.
14500         (mips_emit_int_order_test): Update comment.  Make mode of
14501         comparison match CMP0 rather than TARGET.  When creating inverse
14502         target use mode of TARGET.
14503
14504 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14505
14506         * gcov-dump.c (tag_summary): Only print summaries for the first
14507         GCOV_COUNTERS_SUMMABLE counters.
14508
14509 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
14510
14511         * config/i386/i386.md (absneg): New code iterator.
14512         (absnegprefix): New code attribute.
14513         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
14514         patterns using absneg code iterator.
14515         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
14516         using absneg code iterator.
14517         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
14518         *neg<mode>2 patterns using absneg code iterator.
14519         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14520         *negextendsfdf2 patterns using absneg code iterator.
14521         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
14522         *negextendsfxf2 patterns using absneg code iterator.
14523         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14524         *negextendsfdf2 patterns using absneg code iterator.
14525         * config/i386/sse.md (<code><mode>2): Macroize expander from
14526         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
14527
14528 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
14529
14530         * config/s390/s390.h: Remove the remains of the recent search
14531         & replace action of current_function_outgoing_args_size.
14532
14533 2008-04-10  Ira Rosen  <irar@il.ibm.com>
14534
14535         PR tree-optimization/35821
14536         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
14537         NEW_STMT_LIST is not NULL.
14538
14539 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
14540
14541         PR libstdc++/35597
14542         * toplev.c (process_options): Remove -ffunction-sections debugging
14543         warning.
14544
14545 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
14546
14547         PR middle-end/PR28690
14548         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
14549         than gen_rtx_fmt_ee to perform more canonicalizations.
14550
14551 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14552
14553         PR driver/35665
14554         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
14555
14556 2008-04-09  Richard Guenther  <rguenther@suse.de>
14557
14558         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
14559         (dump_function_to_file): Dump function arguments with types.
14560
14561 2008-04-08  Richard Guenther  <rguenther@suse.de>
14562
14563         * fold-const.c (fold_widened_comparison): Do not allow
14564         sign-changes that change the result.
14565
14566 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
14567
14568         PR target/35839
14569         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
14570         kinds of indirect references.
14571
14572 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
14573
14574         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
14575         GNU Fortran language string.
14576
14577 2008-04-08  Rafael Espindola  <espindola@google.com>
14578
14579         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
14580         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
14581         * tree.h (tree_call_nonnegative_warnv_p): New.
14582
14583 2008-04-08  Jan Hubicka  <jh@suse.cz>
14584
14585         * function.c (free_after_compilation): Clear out regno_reg_rtx
14586         pointer.
14587
14588 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
14589
14590         Revert
14591         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14592
14593         PR middle-end/PR28690
14594         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
14595         same precedence as REG_POINTER and MEM_POINTER operands.
14596
14597 2008-04-08  Richard Guenther  <rguenther@suse.de>
14598
14599         PR middle-end/35834
14600         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
14601         for adding index to base.
14602
14603 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
14604
14605         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
14606         (MINGW_ENABLE_EXECUTE_STACK): New.
14607         (IN_LIBGCC2): For libgcc include windows.h file for
14608         function declarations.
14609
14610 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
14611
14612         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
14613         and tem2 if tem1 is not a REG or MULT.
14614
14615 2008-04-08  Jan Hubicka  <jh@suse.cz>
14616
14617         * function.h (incomming_args): Break out of struct function.
14618         (function_subsections): Break out of struct function.
14619         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
14620         return_rtx and hard_reg_initial_vals from struct function.
14621         Kill inl_max_label_num.
14622         (current_function_pops_args, current_function_args_info,
14623         current_function_args_size, current_function_args_size,
14624         current_function_pretend_args_size,
14625         current_function_outgoing_args_size,
14626         current_function_internal_arg_pointer, current_function_return_rtx):
14627         Kill compatibility accestor macros.
14628         * builtins.c (expand_builtin_apply_args_1): Update.
14629         (expand_builtin_next_arg): Update.
14630         * df-scan.c (df_get_call_refs): Update.
14631         * dbxout.c (dbxout_function_end): Update.
14632         * dwarf2out.c (dwarf2out_switch_text_section): Update.
14633         (output_line_info): Update.
14634         (secname_for_decl): Update.
14635         (dwarf2out_var_location): Update.
14636         * function.c (free_after_compilation): Update.
14637         (assign_parm_find_stack_rtl): Update.
14638         (assign_parms): Update.
14639         (expand_dummy_function_end): Update.
14640         (expand_function_end): Update.
14641         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
14642         (expand_call): Update.
14643         (emit_library_call_value_1): Update.
14644         (store_one_arg): Update.
14645         * varasm.c (initialize_cold_section_name): Update.
14646         (unlikely_text_section): Update.
14647         (unlikely_text_section_p): Update.
14648         (assemble_start_function): Update.
14649         (assemble_end_function): Update.
14650         (default_section_type_flags): Update.
14651         (switch_to_section): Update.
14652         * integrate.c (set_decl_abstract_flags): Update.
14653         (get_hard_reg_initial_val): Update.
14654         (has_hard_reg_initial_val): Update.
14655         (allocate_initial_values): Update.
14656         * resource.c (init_resource_info): Update.
14657         * config/alpha/alpha.c (NUM_ARGS): Update.
14658         (direct_return): Update.
14659         (alpha_va_start): Update.
14660         (alpha_sa_size): Update.
14661         (alpha_initial_elimination_offset): Update.
14662         (alpha_expand_prologue): Update.
14663         (alpha_start_function): Update.
14664         (alpha_expand_epilogue): Update.
14665         (unicosmk_initial_elimination_offset):
14666         * config/alpha/alpha.md (call expander): Update.
14667         * config/s390/s390.c (s390_register_info): Update.
14668         (s390_register_info): Update.
14669         (s390_frame_info): Update.
14670         (s390_initial_elimination_offset): Update.
14671         (s390_build_builtin_va_list): Update.
14672         (s390_va_start): Update.
14673         * config/spu/spu.c (direct_return): Update.
14674         (spu_expand_prologue): Update.
14675         (spu_initial_elimination_offset): Update.
14676         (spu_build_builtin_va_list): Update.
14677         (spu_va_start): Update.
14678         * config/sparc/sparc.c (sparc_init_modes): Update.
14679         (sparc_compute_frame_size): Update.
14680         (function_value): Update.
14681         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
14682         * config/i386/i386.md (return expander): Update.
14683         * config/i386/i386.c (ix86_va_start): Update.
14684         (ix86_can_use_return_insn_p): Update.
14685         (ix86_compute_frame_layout): Update.
14686         (ix86_expand_epilogue): Update.
14687         * config/sh/sh.c (output_stack_adjust): Update.
14688         (calc_live_regs): Update.
14689         (sh_expand_prologue): Update.
14690         (sh_builtin_saveregs): Update.
14691         (sh_va_start): Update.
14692         (initial_elimination_offset): Update.
14693         (sh_allocate_initial_value): Update.
14694         (sh_function_ok_for_sibcall): Update.
14695         (sh_get_pr_initial_val): Update.
14696         * config/sh/sh.md (return expander): Update.
14697         * config/avr/avr.c (frame_pointer_required_p): UPdate.
14698         * config/crx/crx.c (crx_compute_frame): UPdate.
14699         (crx_initial_elimination_offset): UPdate.
14700         * config/xtensa/xtensa.c (compute_frame_size): Update
14701         (xtensa_builtin_saveregs): Update.
14702         (xtensa_va_start): Update.
14703         (order_regs_for_local_alloc): Update.
14704         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
14705         (xstormy16_expand_builtin_va_start): Update.
14706         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
14707         * config/m68hc11/m68hc11.md (return expanders): Update.
14708         * config/m68hc11/m68hc11.c (expand_prologue): Update.
14709         (expand_epilogue): Update.
14710         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
14711         (cris_simple_epilogue): Update.
14712         (cris_expand_prologue): Update.
14713         (cris_expand_epilogue): Update.
14714         * config/iq2000/iq2000.c (iq2000_va_start): Update.
14715         (compute_frame_size): Update.
14716         * config/mt/mt.c (mt_compute_frame_size): Update.
14717         * config/mn10300/mn10300.c (expand_prologue): Update.
14718         (expand_epilogue): Update.
14719         (initial_offset): Update.
14720         (mn10300_builtin_saveregs):
14721         * config/mn10300/mn10300.md (return expander): Update.
14722         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
14723         (ia64_initial_elimination_offset): Update.
14724         (ia64_initial_elimination_offset): Update.
14725         (ia64_expand_prologue): Update.
14726         * config/m68k/m68k.md (return expander): Update.
14727         * config/rs6000/rs6000.c (rs6000_va_start): Update.
14728         (rs6000_stack_info): Update.
14729         * config/mcore/mcore.c (layout_mcore_frame): Update.
14730         (mcore_expand_prolog): Update.
14731         * config/arc/arc.c (arc_compute_frame_size): Update.
14732         * config/score/score3.c (score3_compute_frame_size): Update.
14733         * config/score/score7.c (score7_compute_frame_size): Update.
14734         * config/arm/arm.c (use_return_insn): Update.
14735         (thumb_find_work_register): Update.
14736         (arm_compute_save_reg_mask): Update.
14737         (arm_output_function_prologue): Update.
14738         (arm_output_epilogue): Update.
14739         (arm_size_return_regs): Update.
14740         (arm_get_frame_offsets): Update.
14741         (arm_expand_prologue): Update.
14742         (thumb_exit): Update.
14743         (thumb_unexpanded_epilogue): Update.
14744         (thumb1_output_function_prologue): Update.
14745         * config/pa/pa.md (return expander): Update.
14746         * config/pa/pa.c (compute_frame_size): Update.
14747         (hppa_builtin_saveregs): Update.
14748         * config/mips/mips.c (mips_va_start): Update.
14749         (mips16_build_function_stub): Update.
14750         (mips_compute_frame_info): Update.
14751         (mips_restore_gp): Update.
14752         (mips_output_function_prologue): Update.
14753         (mips_expand_prologue): Update.
14754         * config/v850/v850.c (compute_frame_size): Update.
14755         (expand_prologue): * config/mmix/mmix.c (along): update.
14756         (mmix_initial_elimination_offset): update.
14757         (mmix_reorg): update.
14758         (mmix_use_simple_return): update.
14759         (mmix_expand_prologue): update.
14760         (mmix_expand_epilogue): Update.
14761         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
14762         (emit_link_insn): Update.
14763
14764 2008-04-08  Anatoly Sokolov <aesok@post.ru>
14765
14766         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
14767         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
14768         instructions.
14769         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
14770         atmega103 device.
14771
14772 2008-04-07  Jan Hubicka  <jh@suse.cz>
14773
14774         * function.h (rtl): Rename to x_rtl.
14775         (crtl): New define.
14776         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
14777         frame_offset, stack_check_probe_note, arg_pointer_save_area,
14778         used_temp_slots avail_temp_slots, temp_slot_level,
14779         nonlocal_goto_handler_labels): Update accesstors.
14780         (rtl): New global variable.
14781         (struct function): Move some fileds to rtl_data.
14782         (get_arg_pointer_save_area): Update prototype.
14783         * builtins.c (expand_builtin_setjmp_receiver): Update call of
14784         get_arg_pointer_save_area.
14785         * expr.c (init_expr): Update
14786         * function.c (get_frame_size): Update
14787         (assign_stack_local): Update
14788         (expand_function_end): Update.
14789         (get_art_pointer_save_area): Update
14790         * function.h
14791         * emit-rtl.c (rtl): Declare.
14792         (regno_reg_rtx): Declare.
14793         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
14794         Update.
14795         (gen_reg_rtx): Update.
14796         * varasm.c (n_deferred_constatns): Update accestor.
14797         (init_varasm_status): Do not allocate varasm_status.
14798         (force_const_mem, get_pool_size, output_constant_pool): Update.
14799         * stmt.c (force_label_rtx): Do not use x_ prefixes.
14800         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
14801         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
14802         * sparc/sparc.h (INIT_EXPANDERS): Update.
14803         * ia64/ia64.h (INIT_EXPANDERS): Update.
14804
14805 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
14806
14807         * reload.c (push_secondary_reload): Add missing break to for loop.
14808
14809 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14810
14811         PR middle-end/PR28690
14812         * rtlanal.c: Update copyright years.
14813         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
14814         as REG_POINTER and MEM_POINTER operands.
14815         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
14816         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
14817         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
14818         * gcse.c: Update copyright years.
14819         (pre_delete): Call gen_reg_rtx_and_attrs.
14820         (hoist_code): Likewise.
14821         (build_store_vectors): Likewise.
14822         (delete_store): Likewise.
14823         * loop-invariant.c (move_invariant_reg): Likewise.
14824         Update copyright years.
14825
14826 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
14827
14828         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
14829         control string instead of quoted.
14830
14831 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
14832
14833         * doc/rtl.texi: Rewrite of subreg section.
14834
14835 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
14836
14837         PR/35842
14838         * config/i386/i386.c (legitimize_pic_address): Add treating
14839         of dllimport SYM_REF's.
14840         (legitimize_dllimport_symbol): Add prototype.
14841
14842 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14843
14844         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
14845         reference in constructor with non self-referential type.
14846
14847 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14848
14849         Removal of Return with Depressed Stack Pointer support
14850         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
14851         (ECF_SP_DEPRESSED): Likewise.
14852         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
14853         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
14854         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14855         (expand_call): Do not test ECF_SP_DEPRESSED.
14856         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14857         * function.c (keep_stack_depressed): Delete.
14858         (handle_epilogue_set): Likewise.
14859         (update_epilogue_consts): Likewise.
14860         (emit_equiv_load): Likewise.
14861         (thread_prologue_and_epilogue_insns): Remove support for Return with
14862         Depressed Stack Pointer.
14863         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14864
14865 2008-04-06  Richard Guenther  <rguenther@suse.de>
14866
14867         PR tree-optimization/35400
14868         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
14869         information from SSA_NAMEs.
14870
14871 2008-04-06  Anatoly Sokolov <aesok@post.ru>
14872
14873         * config/avr/avr.h (avr_mega_p): Remove declaration.
14874         (AVR_MEGA): Remove macro.
14875         * config/avr/avr.c (avr_mega_p): Remove variable.
14876         (avr_override_options): Remove inicializion of avr_mega_p.
14877         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14878         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14879         (avr_jump_mode): (Ditto.).
14880         (avr_output_progmem_section_asm_op): (Ditto.).
14881         (avr_asm_init_sections): (Ditto.).
14882         (avr_asm_init_sections): (Ditto.).
14883         (avr_rtx_costs): (Ditto.).
14884         * config/avr/avr.md: (Ditto.).
14885         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
14886         '__AVR_MEGA__'.
14887
14888 2008-04-06  Richard Guenther  <rguenther@suse.de>
14889
14890         PR tree-optimization/35842
14891         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
14892         is_gimple_invariant_address.
14893
14894 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
14895
14896         * gcc.c (default_compilers): Sync Fortran extensions list with
14897         that in fortran/lang-specs.h.
14898         * doc/invoke.texi: Likewise.
14899         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
14900         * dwarf2out.c (gen_compile_unit_die): Likewise.
14901
14902 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
14903
14904         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
14905
14906 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
14907
14908         PR target/12329
14909         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
14910         attribute is used for nested functions.
14911
14912 2008-04-05  Jan Hubicka  <jh@suse.cz>
14913
14914         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
14915
14916         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
14917         letter argument.
14918         (dump_files): Update.
14919         (enable_rtl_dump_file): Do not accept letter argument.
14920         * tree-pass.h (dump_file_info): Remove letter argument.
14921         * toplev.c (decode_d_option): Update -da handling.
14922         * toplev.h (enable_rtl_dump_file): Update prototype.
14923         * passes.c (register_one_dump_file): Do not accept IPA argument; work
14924         it out based on pass type.
14925         (register_dump_files_1): Likewise.
14926         (init_optimization_passes): Update register_one_dump_file calls.
14927         (execute_one_pass): Sanity check that IPA passes are called at IPA
14928         level and RTL passes at RTL level.
14929         (execute_pass_list): IPA pass can not be after or subpass of
14930         GIMPLE/RTL pass.
14931         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
14932         disallov RTL subpasses of IPA subpasses.
14933
14934 2008-04-05  Ben Elliston  <bje@au.ibm.com>
14935
14936         * tree-cfg.c (need_fake_edge_p): Return false for calls to
14937         builtins that return exactly once and do not throw. Cache call to
14938         call_expr_flags.
14939
14940 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
14941
14942         PR rtl-optimization/34916
14943         PR middle-end/35519
14944         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
14945         between instruction pairs.
14946
14947 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
14948
14949         * doc/invoke.texi: Document -mbitops for SH.
14950         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
14951         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
14952         * config/sh/sh.c (print_operand): Add %t operand code.
14953         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
14954         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
14955         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
14956         (extendqihi2): Likewise.
14957         (movqi_i): Likewise.
14958         (insv): Use bset, bclr and bst instructions for SH2A if possible.
14959         (extv): Use bld instruction for SH2A if possible.
14960         (extzv): Likewise.
14961         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
14962         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
14963         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
14964         (bset.b, bclr.b): Define peepholes.
14965         * config/sh/sh.opt (mbitops): New option.
14966
14967 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
14968
14969         PR target/35620
14970         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
14971         and view convert expression.
14972
14973 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
14974
14975         PR target/35364
14976         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
14977
14978 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
14979
14980         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
14981
14982         * config/i386/cpuid.h (bit_AES): New.
14983         (bit_PCLMUL): Likewise.
14984
14985         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
14986         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
14987         SSE2 if AES or PCLMUL is enabled.
14988         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
14989         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14990         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
14991         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
14992         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
14993         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
14994         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14995         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
14996         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
14997         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
14998         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
14999         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
15000         __builtin_ia32_aeskeygenassist128 and
15001         __builtin_ia32_pclmulqdq128.
15002         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
15003         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
15004         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
15005
15006         * config/i386/i386.h (TARGET_AES): New.
15007         (TARGET_PCLMUL): Likewise.
15008         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
15009
15010         * config/i386/i386.md (UNSPEC_AESENC): New.
15011         (UNSPEC_AESENCLAST): Likewise.
15012         (UNSPEC_AESDEC): Likewise.
15013         (UNSPEC_AESDECLAST): Likewise.
15014         (UNSPEC_AESIMC): Likewise.
15015         (UNSPEC_AESKEYGENASSIST): Likewise.
15016         (UNSPEC_PCLMUL): Likewise.
15017
15018         * config/i386/i386.opt (maes): New.
15019         (mpclmul): Likewise.
15020
15021         * config/i386/sse.md (aesenc): New pattern.
15022         (aesenclast): Likewise.
15023         (aesdec): Likewise.
15024         (aesdeclast): Likewise.
15025         (aesimc): Likewise.
15026         (aeskeygenassist): Likewise.
15027         (pclmulqdq): Likewise.
15028
15029         * config/i386/wmmintrin.h: New.
15030
15031         * doc/extend.texi: Document AES and PCLMUL built-in function.
15032
15033         * doc/invoke.texi: Document -maes and -mpclmul.
15034
15035 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
15036
15037         * function.c (free_after_parsing): Replace with
15038         cxx_push_function_context from C++ front-end.
15039         (allocate_struct_function): Don't call langhook.
15040         * langhooks.h (struct lang_hooks_for_functions): Delete.
15041         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
15042         member "function".
15043         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
15044         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
15045         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
15046         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
15047         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
15048         remove LANG_HOOKS_FUNCTION_INITIALIZER.
15049         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
15050
15051         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
15052         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
15053
15054 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
15055
15056         PR c/35440
15057         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
15058         for all types.
15059
15060 2008-04-04  Richard Guenther  <rguenther@suse.de>
15061
15062         PR middle-end/35823
15063         * fold-const.c (optimize_minmax_comparison): Use the correct
15064         type for the constant in the simplified comparison.
15065
15066 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
15067
15068         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
15069         Pass L2 size as "--param l2-cache-size" to the compiler.
15070         (decode_l2_cache): New function to decode L2 cache parameters using
15071         0x8000006 extended cpuid function.
15072         (detect_caches_amd): Determine parameters of L2 cache using
15073         decode_l2_caches function.
15074         (decode_caches_intel): Decode L2 cache parameters.
15075         (detect_caches_intel): Determine L2 cache parameters using
15076         decode_caches_intel and decode_l2_caches functions.
15077
15078 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
15079
15080         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
15081         secondary input reload for subword loads from the constant pool.
15082
15083 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
15084
15085         PR target/35713
15086         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
15087           constants of the appropriate size for runtime calculations.
15088
15089         PR c/35712
15090         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
15091           decimal-float literal constant zero.
15092
15093 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
15094
15095         PR c/35738
15096         * c-parser.c (c_parser_omp_atomic): Call
15097         default_function_array_conversion on the RHS.
15098
15099         PR middle-end/35818
15100         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
15101         call is_variable_sized if decl has incomplete type.
15102
15103 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
15104
15105         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
15106
15107 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
15108
15109         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
15110         iterators.
15111         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
15112         (sgt<u>): Merge sgt and sgtu into new expander.
15113         (sgt, sgtu): Remove expanders.
15114         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
15115         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
15116         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
15117         *sgtu_<mode>_mips16 into new pattern.
15118         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
15119         (sge<u>): Merge sge and sgeu into new expander.
15120         (sge, sgeu): Remove expanders.
15121         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
15122         new pattern.
15123         (*sge_<mode>, second *sge_<mode>): Remove patterns.
15124         (slt<u>): Merge slt and sltu into new expander.
15125         (slt, sltu): Remove expanders.
15126         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
15127         (*slt_<mode>, *sltu_<mode>): Remove patterns.
15128         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
15129         *sltu_<mode>_mips16 into new pattern.
15130         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
15131         (sle<u>): Merge sle and sleu into new expander.
15132         (sle, sleu): Remove expanders.
15133         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
15134         (*sle_<mode>, *sleu_<mode>): Remove patterns.
15135         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
15136         *sleu_<mode>_mips16 into new pattern.
15137         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
15138
15139 2008-04-03  Jan Hubicka  <jh@suse.cz>
15140
15141         PR tree-optimization/35795
15142         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
15143         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
15144         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
15145         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
15146         * score/score3.c (score3_output_mi_thunk): Likewise.
15147         * score/score7.c (score7_output_mi_thunk): Likewise.
15148         * mips/mips.c (mips_output_mi_thunk): Likewise.
15149
15150 2008-04-03  Richard Guenther  <rguenther@suse.de>
15151
15152         * tree-vrp.c (extract_range_from_unary_expr): Handle all
15153         conversions.  Simplify code.
15154
15155 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
15156
15157         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
15158
15159 2008-04-03  Tom Tromey  <tromey@redhat.com>
15160             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15161
15162         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
15163         * config/bfin/t-bfin-linux (generated_files): Add
15164         linux-sysroot-suffix.h.
15165         * doc/install.texi (Prerequisites): Require make 3.80.
15166         * doc/sourcebuild.texi (Front End Directory): Document new
15167         variable.
15168         * Makefile.in (generated_files): New variable.
15169         (ALL_HOST_OBJS): New variable.
15170         ($(ALL_HOST_OBJS)): New target.
15171
15172 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
15173
15174         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
15175         (remap_block): Call id->transform_lang_insert_block instead
15176         of langhook.
15177         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
15178         Set id.transform_lang_insert_block to NULL.
15179         (clone_body): Move to cp/optimize.c
15180         * tree-inline.h (struct copy_body_data): Change
15181         transform_lang_insert_block to function pointer.
15182         (copy_generic_body, copy_decl_no_change): Export.
15183         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
15184         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
15185         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
15186
15187         * c-tree.h (insert_block): Kill.
15188         * c-decl.c (insert_block): Kill.
15189
15190 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
15191
15192         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
15193         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
15194         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
15195         argument.
15196         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
15197         argument, call {push,pop}_function_context from here.
15198         * c-parser.c: Use c_{push,pop}_function_context.
15199
15200         * function.c (push_function_context_to): Move meat ...
15201         (push_function_context): ... here.  Simplify.
15202         * function.c (pop_function_context_from): Move meat ...
15203         (pop_function_context): ... here.  Simplify.
15204         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
15205         leave_nested).
15206         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
15207         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
15208         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
15209         * tree.h (push_function_context_to, pop_function_context_from): Remove.
15210
15211 2008-04-03  Ben Elliston  <bje@au.ibm.com>
15212
15213         * expmed.c (extract_force_align_mem_bit_field): Remove.
15214
15215 2008-04-03  Richard Guenther  <rguenther@suse.de>
15216
15217         PR middle-end/35800
15218         * expr.h (try_casesi): Adjust prototype.
15219         * expr.c (try_casesi): Take fallback label as extra parameter.
15220         Use that for gen_casesi if default_label is NULL.
15221         * stmt.c (expand_case): Pass fallback label to try_casesi,
15222         make sure to fill gaps with a fallback label if default_label
15223         is not present.
15224
15225 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
15226
15227         PR target/35801
15228         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
15229
15230 2008-04-03  Ben Elliston  <bje@au.ibm.com>
15231
15232         * expmed.c (extract_split_bit_field): Remove if (0) code.
15233         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
15234         (do_ds_constraint): Likewise.
15235
15236 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
15237
15238         * doc/cppopts.texi (-dU): Document.
15239         * c-common.h (flag_dump_macros): Update comment.
15240         * c-opts.c (handle_OPT_d): Handle -dU.
15241         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
15242         dump_queued_macros, cb_used_define, cb_used_undef): New.
15243         (init_pp_output): Handle -dU.
15244         (cb_line_change): Call dump_queued_macros.
15245         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
15246
15247 2008-04-02  Anatoly Sokolov <aesok@post.ru>
15248
15249         * config/avr/predicates.md (io_address_operand): New predicate.
15250         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
15251         * config/avr/avr.c (avr_io_address_p): Remove function.
15252         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
15253         'avr_io_address_p' function.
15254         (out_movhi_r_mr): (Ditto.).
15255         (out_movqi_mr_r): (Ditto.).
15256         (out_movhi_mr_r): (Ditto.).
15257         (avr_address_cost): (Ditto.).
15258
15259 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
15260
15261         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
15262         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
15263         in 32bit mode when XMM registers are available to avoid store
15264         forwarding stalls.
15265         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
15266         corresponding post-reload splitters.
15267
15268 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
15269
15270         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
15271         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
15272         __builtin_ia32_roundss.
15273         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
15274         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
15275         __builtin_ia32_roundss.
15276         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
15277         IX86_BUILTIN_SHUFPD here.
15278
15279 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
15280
15281         * config/i386/i386.md (plogic): New.
15282         (plogicprefix): Likewise.
15283
15284         * config/i386/mmx.md (mmx_<code><mode>3): New.
15285         (mmx_and<mode>3): Removed.
15286         (mmx_ior<mode>3): Likewise.
15287         (mmx_xor<mode>3): Likewise.
15288
15289         * config/i386/sse.md (<code><mode>3): New.
15290         (*<code><mode>3): Likewise.
15291         (*<code><mode>3): Likewise.
15292         (<code><mode>3): Likewise.
15293         (*sse_<code><mode>3): Likewise.
15294         (*sse2_<code><mode>3): Likewise.
15295         (<code>tf3): Likewise.
15296         (*<code>tf3): Likewise.
15297         (and<mode>3): Likewise.
15298         (*and<mode>3): Likewise.
15299         (ior<mode>3): Removed.
15300         (*ior<mode>3): Likewise.
15301         (xor<mode>3): Likewise.
15302         (*xor<mode>3): Likewise.
15303         (*and<mode>3): Likewise.
15304         (*ior<mode>3): Likewise.
15305         (*xor<mode>3): Likewise.
15306         (and<mode>3): Likewise.
15307         (*sse_and<mode>3): Likewise.
15308         (*sse2_and<mode>3): Likewise.
15309         (andtf3): Likewise.
15310         (*andtf3): Likewise.
15311         (ior<mode>3): Likewise.
15312         (*sse_ior<mode>3): Likewise.
15313         (*sse2_ior<mode>3): Likewise.
15314         (iortf3): Likewise.
15315         (*iortf3): Likewise.
15316         (xor<mode>3): Likewise.
15317         (*sse_xor<mode>3): Likewise.
15318         (*sse2_xor<mode>3): Likewise.
15319         (xortf3): Likewise.
15320         (*xortf3): Likewise.
15321
15322 2008-04-02  Richard Guenther  <rguenther@suse.de>
15323
15324         PR tree-optimization/14495
15325         PR tree-optimization/34793
15326         * tree-vrp.c (struct switch_update): New structure.
15327         (to_remove_edges, to_update_switch_stmts): New VECs.
15328         (simplify_switch_using_ranges): New function.  Remove not taken
15329         case labels and edges.
15330         (simplify_stmt_using_ranges): Call it.
15331         (identify_jump_threads): Mark edges we have queued for removal
15332         so we don't thread them.
15333         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
15334         case label vector.
15335         * tree-cfg.c (group_case_labels): Deal with missing default label.
15336         (tree_verify_flow_info): Allow missing default label.
15337         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
15338         (emit_case_nodes): Likewise.
15339         (expand_case): Do not rely on the default label to be present.
15340         * expr.c (try_casesi): Deal with NULL default_label.
15341         (do_tablejump): Likewise.
15342
15343 2008-04-02  Richard Guenther  <rguenther@suse.de>
15344
15345         PR tree-optimization/14495
15346         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
15347         SWITCH_EXPR here ...
15348         (vrp_visit_switch_stmt): ... but here (new function).
15349         (find_case_label_index): New helper function.
15350         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
15351
15352 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15353
15354         * fwprop.c: Fix ISO-C99ism.
15355
15356 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15357
15358         PR bootstrap/35752
15359         * Makefile.in (objdir): Set it here.
15360         * configure.ac: Not here.  Find dynamic linker characteristics.
15361         * exec-tool.in: Use them.
15362         * aclocal.m4: Regenerate.
15363         * configure: Regenerate.
15364
15365 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15366
15367         * expr.c (expand_var): Delete it.
15368         * expr.h (expand_var): Delete prototype.
15369         * function.c (expand_function_start): Use expand_decl instead.
15370         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
15371         langhook.
15372
15373 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
15374
15375         PR rtl-optimization/35542
15376         * fwprop.c (forward_propagate_and_simplify): Replace
15377         loc_reg_mentioned_in_p with reg_mentioned_p.
15378
15379 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15380
15381         PR rtl-optimization/35281
15382         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
15383         (propagate_rtx_1): Handle PR_HANDLE_MEM.
15384         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
15385         (varying_mem_p): Move above propagate_rtx.
15386         (all_uses_available_at): Do not check MEMs.
15387
15388 2008-04-02  Rafael Espindola  <espindola@google.com>
15389
15390         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
15391         (register_edge_assert_for_2): Split the cond argument.
15392         (register_edge_assert_for_1): Adjust for the change in
15393         register_edge_assert_for_2.
15394         (register_edge_assert_for): Split the cond argument.
15395         (find_switch_asserts): Adjust for the change in
15396         register_edge_assert_for.
15397
15398 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
15399
15400         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
15401         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
15402         offsets for 64-bit mingw.
15403         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
15404         abi for x86_64-pc-mingw.
15405
15406 2008-04-02  Richard Guenther  <rguenther@suse.de>
15407
15408         * tree-vrp.c (extract_range_from_assert): Make sure to not
15409         produce range min/max with TREE_OVERFOW set.
15410         If merging a anti-range and a range keep the anti-range if
15411         the range covers all values of the type.
15412         (register_edge_assert_for_2): Only allow sign-changing
15413         conversions in detecting canonical range checks.  Also
15414         register an assert for the unsigned name if useful.
15415
15416         PR tree-optimization/35787
15417         * tree-vrp.c (vrp_val_max): New function.
15418         (vrp_val_min): Likewise.
15419         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
15420         (vrp_val_is_min): Likewise.
15421         (supports_overflow_infinity): Use vrp_val_{min,max}.
15422         (negative_overflow_infinity): Likewise.
15423         (positive_overflow_infinity): Likewise.
15424         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
15425         (is_positive_overflow_infinity): Likewise.
15426         (is_overflow_infinity): Likewise.
15427         (avoid_overflow_infinity): Use vrp_val_{min,max} and
15428         vrp_val_is_{min,max}.
15429         (set_and_canonicalize_value_range): Canonicalize anti-ranges
15430         to ranges if possible.  Avoid empty ranges.
15431
15432 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15433
15434         PR middle-end/35705
15435         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
15436         the expression is a function address.
15437
15438 2008-04-01  George Helffrich  <george@gcc.gnu.org>
15439
15440         PR fortran/35154, fortran/23057
15441         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
15442         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
15443         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
15444         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
15445         in common.
15446         (dbxout_syms): Check for COMMON-based symbol and wrap in
15447         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
15448         in bracket for efficiency.
15449
15450         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
15451         using DW_TAG_common_block + member offset.
15452         (add_pubname_string): New function.
15453         (dw_expand_expr): New function to find block name and offset for
15454         COMMON var.
15455         (common_check): New function to check whether symbol in Fortran COMMON.
15456         (gen_variable_die): If COMMON, use DW_TAG_common_block.
15457
15458 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
15459
15460         PR c/35436
15461         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
15462
15463 2008-04-02  Ben Elliston  <bje@au.ibm.com>
15464
15465         * config/v850/v850.md (casesi): Remove if (0) code.
15466         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
15467         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
15468
15469 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
15470
15471         * config/i386/i386.md (rex64suffix): New mode attribute.
15472         (floathi<mode>2): Disable expander for SSE math.
15473         (*floathi<mode>2_1): New insn insn_and_split pattern.
15474         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
15475         corresponding post-reload splitters.
15476         (*floathi<mode>2_i387): New macroized insn pattern.
15477         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
15478         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
15479         insn_and_split pattern.
15480         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
15481         New macroized instruction patterns and corresponding post-reload
15482         splitters.
15483         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
15484         and corresponding post-reload splitters.
15485         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
15486         New macroized instruction patterns.
15487         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
15488         macroized instruction patterns and corresponding post-reload splitters.
15489         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
15490         corresponding post-reload splitters.
15491         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
15492         New macroized instruction patterns.
15493         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
15494         corresponding post-reload splitters.
15495         (*floatsi<mode>2_i387): New macroized instruction patterns.
15496
15497 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
15498
15499         * config/i386/i386.md (smaxmin): New.
15500         (umaxmin): Likewise.
15501         (maxminiprefix): Likewise.
15502         (maxminfprefix): Likewise.
15503         (<code><mode>3): Likewise.
15504         (smin<mode>3): Removed.
15505         (smax<mode>3): Likewise.
15506
15507         * config/i386/mmx.md (mmx_<code>v2sf3): New.
15508         (mmx_<code>v4hi3): Likewise.
15509         (mmx_<code>v8qi3): Likewise.
15510         (mmx_smaxv2sf3): Removed.
15511         (mmx_sminv2sf3): Likewise.
15512         (mmx_umaxv8qi3): Likewise.
15513         (mmx_smaxv4hi3): Likewise.
15514         (mmx_uminv8qi3): Likewise.
15515         (mmx_sminv4hi3): Likewise.
15516
15517         * config/i386/sse.md (<addsub><mode>3): New.
15518         (*<addsub><mode>3): Likewise.
15519         (<sse>_vm<addsub><mode>3): Likewise.
15520         (<maxmin><mode>3): Likewise.
15521         (*<maxmin><mode>3_finite): Likewise.
15522         (*<maxmin><mode>3): Likewise.
15523         (<sse>_vm<maxmin><mode>3): Likewise.
15524         (sse3_h<addsub>v4sf3): Likewise.
15525         (sse3_h<addsub>v2df3): Likewise.
15526         (<maxmin>v16qi3): Likewise.
15527         (*<maxmin>v16qi3): Likewise.
15528         (<maxmin>v8hi3): Likewise.
15529         (*<maxmin>v8hi3): Likewise.
15530         (*sse4_1_<maxmin><mode>3): Likewise.
15531         (*sse4_1_<maxmin><mode>3): Likewise.
15532         (add<mode>3): Removed.
15533         (*add<mode>3): Likewise.
15534         (<sse>_vmadd<mode>3): Likewise.
15535         (sub<mode>3): Likewise.
15536         (*sub<mode>3): Likewise.
15537         (<sse>_vmsub<mode>3): Likewise.
15538         (smin<mode>3): Likewise.
15539         (*smin<mode>3_finite): Likewise.
15540         (*smin<mode>3): Likewise.
15541         (<sse>_vmsmin<mode>3): Likewise.
15542         (smax<mode>3): Likewise.
15543         (*smax<mode>3_finite): Likewise.
15544         (*smax<mode>3): Likewise.
15545         (<sse>_vmsmax<mode>3): Likewise.
15546         (sse3_haddv4sf3): Likewise.
15547         (sse3_haddv2df3): Likewise.
15548         (sse3_hsubv4sf3): Likewise.
15549         (sse3_hsubv2df3): Likewise.
15550         (umaxv16qi3): Likewise.
15551         (*umaxv16qi3): Likewise.
15552         (smaxv8hi3): Likewise.
15553         (*smaxv8hi3): Likewise.
15554         (*sse4_1_smax<mode>3): Likewise.
15555         (*sse4_1_umax<mode>3): Likewise.
15556         (uminv16qi3): Likewise.
15557         (*uminv16qi3): Likewise.
15558         (sminv8hi3): Likewise.
15559         (*sminv8hi3): Likewise.
15560         (*sse4_1_smin<mode>3): Likewise.
15561         (*sse4_1_umin<mode>3): Likewise.
15562
15563 2008-04-01  Rafael Espindola  <espindola@google.com>
15564
15565         * tree-cfg.c (verify_expr): remove in_phi.
15566         (verify_stmt): Don't call walk_tree with verify_expr. Use
15567         is_gimple_min_invariant instead of is_gimple_val.
15568
15569 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
15570
15571         * doc/include/gpl_v3.texi: Update for manpage generation.
15572         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
15573         gpl.texi.
15574         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
15575         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
15576         gpl_v3.texi instead of gpl.texi.
15577         (gpl.pod): New.
15578
15579 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
15580
15581         PR pch/13675
15582         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
15583
15584 2008-04-01  Rafael Espindola  <espindola@google.com>
15585
15586         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
15587         (extract_code_and_val_from_cond): Use
15588         extract_code_and_val_from_cond_with_ops.
15589
15590 2008-04-01  Jan Hubicka  <jh@suse.cz>
15591
15592         * function.c (free_after_compilation): Free epilogue_delay_list.
15593         (prepare_function_start): Assert that previous compilation was freed.
15594
15595 2008-04-01  Jan Hubicka  <jh@suse.cz>
15596             Jim Wilson  <wilson@tuliptree.org>
15597             Andreas Tobler <andreast@gcc.gnu.org>
15598
15599         PR middle-end/35781
15600         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
15601         rtl.emit instead cfun->emit.
15602         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
15603         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
15604
15605 2008-04-01  Ben Elliston  <bje@au.ibm.com>
15606
15607         * doc/c-tree.texi (Function Basics): Fix grammatical error.
15608
15609 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
15610
15611         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
15612         New options
15613         (fprofile-use): Add var flag_profile_use
15614         * coverage.c (coverage_begin_output): Do not open a gcno file for
15615         output only if -ftest-coverage is set.
15616         Do not add getpwd() to gcda file path.
15617         (build_gcov_info): Check the new flag
15618         flag_profile_datafile_relative_path.
15619         (coverage_init): Use profile_data_prefix.
15620         Read profile counter only if flag_profile_use is set.
15621         * opts.c (common_handle_option): New option fprofile-use=,
15622         fprofile-dir=, fprofile-generate=.
15623         * toplev.c (profile_data_prefix): New variable definition.
15624         * toplev.h (profile_data_prefix): New declaration.
15625         * doc/invoke.tex (Option Summary, Optimization Options):
15626         Add new options.
15627
15628 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
15629
15630         * varasm.c (output_constant_pool_1): In LABEL_REF check,
15631         use tmp consistently.
15632
15633         PR target/35695
15634         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
15635         * config/ia64/ia64.c (rtx_needs_barrier): Handle
15636         UNSPEC_FR_RECIP_APPROX_RES.
15637         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
15638
15639 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
15640
15641         PR c/35750
15642         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
15643
15644 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15645
15646         PR middle-end/30186
15647         * fold-const.c (fold_indirect_ref_1): Support accessing non first
15648         element of the vector via a pointer.
15649
15650 2008-03-31  Ian Lance Taylor  <iant@google.com>
15651
15652         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
15653
15654 2008-03-31  Jan Hubicka  <jh@suse.cz>
15655
15656         * builtins.c (expand_builtin_setjmp_receiver): Update call of
15657         get_arg_pointer_save_area.
15658         * expr.c (init_expr): Just clear out rtl.expr.
15659         * function.c (free_after_compilation): Clear out whole RTL structure.
15660         (get_func_frame_size): Merge into ...
15661         (get_frame_size): ... this one.
15662         (assign_stack_local_1): Merge into ...
15663         (assign_stack_local): ... this one.
15664         (expand_function_end): Update call of get_arg_pointer_save_area.
15665         (get_art_pointer_save_area): Remove cfun argument.
15666         * function.h (emit_status): regno_pointer_align does not need length
15667         attribute. Move x_regno_reg_rtx to ...
15668         (regno_reg_rtx): ... new global array.
15669         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
15670         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
15671         apply_args_value, forced_labels, stack_pointer_delta):
15672         Update accestors.
15673         (struct varasm_status): Move here from varasm.c
15674         (struct rtl_data): New. Move here some fields from struct function.
15675         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
15676         frame_offset, stack_check_probe_note, arg_pointer_save_area,
15677         used_temp_slots avail_temp_slots, temp_slot_level,
15678         nonlocal_goto_handler_labels): Update accesstors.
15679         (rtl): New global variable.
15680         (struct function): Move some fileds to rtl_data.
15681         (get_arg_pointer_save_area): Update prototype.
15682         * emit-rtl.c (rtl): Declare.
15683         (regno_reg_rtx): Declare.
15684         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
15685         Update.
15686         (gen_reg_rtx): Update.
15687         (init_virtual_regs): Do not tate emit_status argument.
15688         (init_emit): Do not allocate emit.
15689         * varasm.c (varasm_statuc): Move to function.h.
15690         (n_deferred_constatns): Update accestor.
15691         (init_varasm_status): Do not allocate varasm_status.
15692         (force_const_mem, get_pool_size, output_constant_pool): Update.
15693         * stmt.c (force_label_rtx): Do not use x_ prefixes.
15694         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
15695
15696 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
15697
15698         PR rtl-optimization/35729
15699         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
15700         references.
15701
15702 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
15703
15704         PR target/32000
15705         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
15706         load/store if memory is unaligned.
15707         (*movti_rex64): Likewise.
15708
15709         * config/i386/predicates.md (misaligned_operand): New.
15710
15711 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
15712
15713         PR tree-opt/35431
15714         * tree-ssa-phiopt.c (conditional_replacement): Return early for
15715         complex types.
15716
15717 2008-03-31  Jan Beulich  <jbeulich@novell.com>
15718
15719         * config/ia64/constraints.md: Add 'j' constraint.
15720         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
15721         (movdi_internal): Likewise.
15722
15723 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
15724
15725         PR c/35748
15726         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
15727
15728 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
15729
15730         PR target/35757
15731         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
15732         proper error message for the third argument on blendpd and
15733         blendps.
15734
15735         * config/i386/sse.md (blendbits): New.
15736         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
15737
15738 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
15739
15740         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
15741
15742 2008-03-30  Richard Guenther  <rguenther@suse.de>
15743
15744         PR middle-end/31023
15745         * fold-const.c (fold_sign_changed_comparison): Do leave
15746         conversions to base-types alone.
15747
15748 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15749
15750         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
15751         the link register if one altivec register is be saved.
15752
15753 2008-03-30  Ben Elliston  <bje@au.ibm.com>
15754
15755         * final.c (final_scan_insn): Remove if (0) code.
15756
15757 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
15758
15759         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
15760
15761 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
15762
15763         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
15764         of V4SFmode to ix86_binary_operator_ok.
15765
15766 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
15767
15768         * config/i386/i386.c (override_options): Initialize
15769         ix86_veclib_handler to ix86_veclibabi_svml when
15770         -mveclibabi=svml is used.
15771         (ix86_veclibabi_svml): New function for SVML ABI style
15772         vectorization support.
15773         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
15774
15775 2008-03-28  Rafael Espindola  <espindola@google.com>
15776
15777         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
15778         (tree_binary_nonnegative_warnv_p): Make it public.
15779         (tree_single_nonnegative_warnv_p): Make it public.
15780         (tree_invalid_nonnegative_warnv_p): Make it public.
15781         (tree_unary_nonzero_warnv_p): Make it public.
15782         (tree_binary_nonzero_warnv_p): Make it public
15783         (tree_single_nonzero_warnv_p): Make it public.
15784         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
15785         (extract_range_from_binary_expr): Split the expr argument.
15786         (extract_range_from_unary_expr): Split the expr argument.
15787         (extract_range_from_comparison): Split the expr argument.
15788         (extract_range_from_expr): Use the new aux functions.
15789         (vrp_evaluate_conditional_warnv): Use
15790         vrp_evaluate_conditional_warnv_with_ops.
15791         * tree.h (tree_unary_nonzero_warnv_p): Declare.
15792         (tree_binary_nonzero_warnv_p): Declare.
15793         (tree_single_nonzero_warnv_p): Declare.
15794         (tree_expr_nonzero_warnv_p): Declare.
15795         (tree_unary_nonnegative_warnv_p): Declare.
15796         (tree_binary_nonnegative_warnv_p): Declare.
15797         (tree_single_nonnegative_warnv_p): Declare.
15798         (tree_invalid_nonnegative_warnv_p): Declare.
15799
15800 2008-03-28  Richard Guenther  <rguenther@suse.de>
15801
15802         PR tree-optimization/30317
15803         PR tree-optimization/30911
15804         PR tree-optimization/34793
15805         * tree-vrp.c (set_and_canonicalize_value_range): New function.
15806         (struct assert_locus_d): New member EXPR.
15807         (register_new_assert_for): Add EXPR parameter to support
15808         ASSERT_EXPR <name, expr OP limit>.
15809         (register_edge_assert_for_1): Adjust callers.
15810         (find_assert_locations): Likewise.
15811         (process_assert_insertions_for): Build condition from expression.
15812         (extract_range_from_assert): Handle ASSERT_EXPRs
15813         of the form ASSERT_EXPR <name, expr OP limit>.
15814         (register_edge_assert_for_2): New helper registering
15815         asserts for comparisons.  Recognize range tests of the form
15816         (unsigned)i - CST1 OP CST2.
15817         (register_edge_assert_for_1): Use it.
15818         (register_edge_assert_for): Likewise.
15819         (needs_overflow_infinity): Integer sub-types
15820         do not need overflow infinities.
15821         (vrp_val_is_max): The extreme values of integer sub-types
15822         are those of the base type.
15823         (vrp_val_is_min): Likewise.
15824         * tree.def (ASSERT_EXPR): Document extra allowed conditional
15825         expressions.
15826
15827 2008-03-28  Nick Clifton  <nickc@redhat.com>
15828
15829         PR target/31110
15830         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
15831         Return GENERAL_REGS for stack adjustment reloads.
15832
15833 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15834
15835         PR target/31334
15836         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
15837         const_vector when all the vectors are constant.
15838
15839 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
15840
15841         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
15842         comparisons.
15843         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
15844         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
15845         (scc_sf): New.
15846         (s<code>_sf): Use new scc_sf attribute for opcode names.
15847
15848 2008-03-27  Tom Tromey  <tromey@redhat.com>
15849
15850         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
15851         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
15852         config/spu/t-spu-elf, config/i386/t-interix,
15853         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
15854         config/i386/x-darwin, config/i386/x-mingw32,
15855         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
15856         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
15857         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
15858         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
15859         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
15860         config/rs6000/x-darwin, config/rs6000/t-rs6000,
15861         config/score/t-score-elf, config/arm/t-strongarm-pe,
15862         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
15863         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
15864         Revert automatic dependency patch.
15865
15866 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15867
15868         PR target/35657
15869         * config/i386/i386.c (ix86_function_arg_boundary): Align
15870         decimal floating point to its natural boundary.
15871
15872 2008-03-27  Richard Guenther  <rguenther@suse.de>
15873
15874         PR middle-end/35716
15875         * fold-const.c (fold_comparison): Restrict distinct decl
15876         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
15877         solely rely on operand_equal_p.
15878
15879 2008-03-27  Richard Guenther  <rguenther@suse.de>
15880
15881         PR c/32511
15882         * c-common.c (handle_weak_attribute): Reject combination of
15883         weak and inline.
15884
15885 2008-03-27  Richard Guenther  <rguenther@suse.de>
15886
15887         PR tree-optimization/32810
15888         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
15889         conversions from DECL_INITIAL.
15890         (fold_const_aggregate_ref): Likewise from constructor elements.
15891
15892 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
15893
15894         * tree-affine.h (aff_combination_expand): Declare.
15895         (get_inner_reference_aff): Likewise.
15896         * tree-affine.c (aff_combination_expand): Split out from
15897         tree_to_aff_combination_expand.
15898         (get_inner_reference_aff): New function.
15899         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
15900         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
15901         (struct lim_aux_data): sm_done field removed.
15902         (mem_ref_loc_p, mem_ref_locs_p): New types.
15903         (struct mem_ref): Added id, stored, accesses_in_loop,
15904         indep_loop, dep_loop, indep_ref, dep_ref fields.
15905         Removed is_stored, locs and next fields.
15906         (memory_accesses): New variable.
15907         (movement_possibility): Do not allow moving statements
15908         that store to memory.
15909         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
15910         New functions.
15911         (determine_max_movement): For statements with memory references,
15912         find the outermost loop in that the reference is independent.
15913         (move_computations_stmt): Mark the virtual operands for renaming.
15914         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
15915         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
15916         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
15917         add_vop_ref_mapping, create_vop_ref_mapping_loop,
15918         create_vop_ref_mapping, analyze_memory_references,
15919         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
15920         get_all_locs_in_loop, ref_always_accessed_p,
15921         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
15922         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
15923         store_motion_loop, store_motion): New functions.
15924         (struct vop_to_refs_elt): New type.
15925         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
15926         memref_hash, memref_eq, hoist_memory_references): Rewritten.
15927         (schedule_sm): Replaced by...
15928         (execute_sm): ... this.
15929         (determine_lsm_ref, hoist_memory_references,
15930         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
15931         find_more_ref_vops, free_mem_ref, free_mem_refs,
15932         determine_lsm_loop, determine_lsm): Removed.
15933         (tree_ssa_lim_finalize): Free data structures used by store motion.
15934         (tree_ssa_lim): Call analyze_memory_references.  Use
15935         store_motion instead of determine_lsm.
15936
15937 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15938
15939         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
15940         rename tmake_file to m68hc11/t-m68hc11.
15941         (mcore): Set inhibit_libc to true.
15942         * config.host (alpha*-dec-*vms*): Set extra_programs.
15943         (interix3*): Don't use host_xmake_file.
15944         * configure.ac: Let config.gcc override inhibit_libc.
15945         * configure: Regenerate.
15946
15947         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
15948         * config/t-openbsd-thread: Remove commented out lines.
15949
15950         * config/x-interix: Remove.
15951
15952         * config/m68hc11/t-m68hc11-gas: Rename to...
15953         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
15954
15955         * config/mcore/t-mcore: Remove T_CFLAGS.
15956         * config/mcore/t-mcore-pe: Likewise.
15957
15958 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15959
15960         * configure.ac: Replace custom __GNU_SOURCE test with
15961         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
15962         * aclocal.m4: Regenerate.
15963         * configure: Regenerate.
15964         * config.in: Regenerate.
15965
15966 2008-03-27  Richard Guenther  <rguenther@suse.de>
15967
15968         * fold-const.c (target.h): Include.
15969         (fold_comparison): Fold comparison of addresses of decls
15970         that bind locally or of constants.  Consolidate address folding code.
15971         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
15972         results from fold_binary_to_constant.
15973         (compare_values_warnv): Likewise.
15974
15975 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
15976
15977         PR middle-end/35429
15978         * fold-const.c (fold_truthop): Check for integeral types when folding
15979         a == 0 && b == 0 and a != 0 || b != 0 .
15980
15981 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
15982
15983         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
15984
15985 2008-03-26  Andreas Schwab  <schwab@suse.de>
15986
15987         * doc/invoke.texi: Fix use of @item vs. @itemx.
15988
15989 2008-03-26  Tom Tromey  <tromey@redhat.com>
15990
15991         * Makefile.in (build/gensupport.o, build/print-rtl.o,
15992         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
15993         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
15994         build/gencodes.o, build/genconditions.o, build/genconfig.o,
15995         build/genconstants.o, build/genemit.o, build/genextract.o,
15996         build/genflags.o, build/genmddeps.o, build/genopinit.o,
15997         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
15998         options.h.
15999
16000 2008-03-26  Richard Guenther  <rguenther@suse.de>
16001
16002         Revert
16003         2008-03-26  Richard Guenther  <rguenther@suse.de>
16004
16005         * fold-const.c (target.h): Include.
16006         (fold_comparison): Fold comparison of addresses of two decls
16007         that bind locally.  Consolidate address folding code.
16008
16009 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16010
16011         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
16012         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
16013         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
16014         dconstsqrt2, dconstthird, dconste and/or dconst10.
16015         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
16016         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
16017         dconstsqrt2, dconste): Delete.
16018         (init_emit_once): Likewise.  Simplify initializing dconstm1.
16019         Constify variable.
16020         * real.c (get_real_const): New.
16021         * real.h (dconst3, dconst10, dconstm2, dconstthird,
16022         dconstsqrt2, dconste): Delete.
16023         (real_value_const, get_real_const): New.
16024
16025 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
16026
16027         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
16028
16029         * config/i386/i386.c (ix86_function_arg_boundary): Check
16030         BIGGEST_ALIGNMENT instead of 128.
16031         (setup_incoming_varargs_64): Likewise.
16032
16033 2008-03-26  Tom Tromey  <tromey@redhat.com>
16034
16035         * Makefile.in (DEPFILES): Add missing '/'.
16036
16037 2008-03-26  Richard Guenther  <rguenther@suse.de>
16038
16039         * fold-const.c (target.h): Include.
16040         (fold_comparison): Fold comparison of addresses of two decls
16041         that bind locally.  Consolidate address folding code.
16042
16043 2008-03-26  Nick Clifton  <nickc@redhat.com>
16044
16045         PR target/31232
16046         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
16047         not allow INT+INT as a legitimate addressing mode.
16048
16049 2008-03-26  Richard Guenther  <rguenther@suse.de>
16050
16051         * tree-flow.h (widen_bitfield): Remove declaration.
16052         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
16053         (widen_bitfield): Remove function.
16054         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
16055         code.
16056
16057 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16058
16059         PR target/31558
16060         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
16061         error_mark_node's.
16062
16063 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
16064
16065         PR rtl-optimization/35232
16066         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
16067         (forget_old_reloads_1, forget_marked_reloads): Don't clear
16068         reg_reloaded_call_part_clobbered here.
16069         (reload_regs_reach_end_p): New function.
16070         (reload_reg_rtx_for_input): New variable.
16071         (reload_reg_rtx_for_output): Likewise.
16072         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
16073         when reassigning a pseudo register.  Load reloadreg from
16074         reload_reg_rtx_for_input, moving the mode and register
16075         calculation to...
16076         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
16077         instead of the original when deciding whether an input reload
16078         would be a no-op or whether an output reload can be deleted.
16079         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
16080         when setting up new_spill_reg_store.  Load it from
16081         reload_reg_rtx_for_output, moving the mode and register
16082         calculation to...
16083         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
16084         instead of the original when deciding whether an output reload
16085         would be a no-op.  Do the same when modifying insn notes.
16086         Use rtx_equal_p instead of == to compare the registers.
16087         (inherit_piecemeal_p): Take a mode and two register numbers
16088         as argument.
16089         (emit_reload_insns): Clear new_spill_reg_store for every hard
16090         register in the reload register.  Remove spill registers
16091         from reg_reloaded_valid before considering whether to record
16092         inheritance information for them.  Use reload_reg_rtx_for_output
16093         instead of reg_rtx when recording output reloads.  Use
16094         reload_reg_rtx_for_input instead of reg_rtx when recording
16095         input reloads.  Set or clear reg_reloaded_call_part_clobbered
16096         at the same time as setting reg_reloaded_valid.
16097         (delete_output_reload): Add a new_reload_reg parameter and use it
16098         instead of rld[j].reg_rtx.
16099         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
16100         calls accordingly.
16101
16102 2008-03-25  Tom Tromey  <tromey@redhat.com>
16103
16104         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
16105         (build/genattr.o): Likewise.
16106         (build/genattrtab.o): Likewise.
16107         (build/gencodes.o): Likewise.
16108         (build/genconfig.o): Likewise.
16109         (build/genconstants.o): Likewise.
16110         (build/genemit.o): Likewise.
16111         (build/genextract.o): Likewise.
16112         (build/genflags.o): Likewise.
16113
16114 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
16115
16116         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
16117         instead of size_int for integer types.
16118         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
16119         to match type of MINUS_EXPR.
16120
16121 2008-03-25  Tom Tromey  <tromey@redhat.com>
16122
16123         * configure: Rebuilt.
16124         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
16125         Makefile.
16126
16127 2008-03-25  Tom Tromey  <tromey@redhat.com>
16128
16129         * config/x-solaris (host-solaris.o): Update.
16130         * config/x-linux (host-linux.o): Update.
16131         * config/x-hpux (host-hpux.o): Update.
16132         * config/x-darwin (host-darwin.o): Update.
16133         * config/v850/t-v850e (v850-c.o): Update.
16134         * config/v850/t-v850 (v850-c.o): Update.
16135         * config/t-vxworks (vxworks.o): Update.
16136         * config/t-sol2 (sol2-c.o, sol2.o): Update.
16137         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
16138         * config/spu/t-spu-elf (spu-c.o): Update.
16139         (spu.o): Remove.
16140         * config/sh/t-symbian (sh-c.o): Update.
16141         (symbian.o): Update.
16142         * config/sh/t-sh (sh-c.o): Update.
16143         * config/score/t-score-elf (score7.o, score3.o): Update.
16144         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
16145         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
16146         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
16147         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
16148         (rs6000.o): Remove.
16149         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
16150         * config/m32c/t-m32c (m32c-pragma.o): Update.
16151         * config/ia64/t-ia64 (ia64-c.o): Update.
16152         * config/i386/x-mingw32 (host-mingw32.o): Update.
16153         * config/i386/x-i386 (driver-i386.o): Update.
16154         * config/i386/x-darwin (host-i386-darwin.o): Update.
16155         * config/i386/x-cygwin (host-cygwin.o): Update.
16156         * config/i386/t-nwld (nwld.o): Update.
16157         * config/i386/t-netware (netware.o): Update.
16158         * config/i386/t-interix (winnt.o): Update.
16159         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
16160         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
16161         msformat-c.o): Update.
16162         * config/bfin/t-bfin-linux (generated_files): Add
16163         linux-sysroot-suffix.h.
16164         * config/arm/t-wince-pe (pe.o): Update.
16165         * config/arm/t-strongarm-pe (pe.o): Update.
16166         * config/arm/t-pe (pe.o): Update.
16167         * config/arm/t-arm (arm-c.o): Update.
16168         * doc/install.texi (Prerequisites): Require make 3.80.
16169         * Makefile.in: Remove .o targets.
16170         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
16171         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
16172         (simple_generated_h, simple_generated_c): Move earlier.
16173         (generated_files): New variable.
16174         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
16175         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
16176         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
16177         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
16178         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
16179         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
16180         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
16181         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
16182         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
16183         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
16184         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
16185         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
16186         (.c.o): Remove.
16187         (COMPILE.base, COMPILE): New variables.
16188         (%.o): New pattern rule.
16189         (ALL_HOST_OBJS): New variable.
16190         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
16191         (dummy-checksum.o, cc1-checksum.o): Remove.
16192         (DRIVER_SHLIB): New variable.
16193         (DRIVER_DEFINES): Use it.
16194         (gencondmd.c): Move out of build/.
16195         (s-conditions): Update.
16196         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
16197         (ALL_BUILD_OBJS): Likewise.
16198         (build/%.o): Use BUILDCOMPILE.
16199         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
16200         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
16201         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
16202         build/gencheck.o, build/gencodes.o, build/genconditions.o,
16203         build/genconfig.o, build/genconstants.o, build/genemit.o,
16204         build/genextract.o, build/genflags.o, build/genmddeps.o,
16205         build/genopinit.o, build/genoutput.o, build/genpeep.o,
16206         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
16207         build/gen-protos.o, build/scan.o, build/fix-header.o,
16208         build/scan-decls.o): Simplify.
16209         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
16210         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
16211         prefix.o, toplev.o): Reduce to variable setting.
16212         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
16213         ($(out_object_file), gcc-options.o): New targets.
16214         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
16215         * configure: Rebuilt.
16216         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
16217         * doc/sourcebuild.texi (Front End Directory): Document new variable.
16218
16219 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
16220
16221         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
16222         complain when we hit an error, return ERROR_MARK_NODE.
16223
16224 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16225
16226         * config/sh/constraints.md (Pso, Psz): New constraints.
16227         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
16228         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
16229
16230 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16231
16232         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
16233         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
16234
16235 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16236
16237         * config/sh/sh.md (prefetch): Add condition for SH2A target.
16238         (prefetch_sh2a): New.
16239
16240 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
16241             Naveen.H.S  <naveen.hs@kpitcummins.com>
16242
16243         * config/sh/constraints.md (I28): New constraint.
16244         * config/sh/sh.c (broken_move): Add support for movi20s.
16245         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
16246
16247 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
16248             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
16249             Naveen.H.S  <naveen.hs@kpitcummins.com>
16250
16251         * config/sh/sh.c (SH_ATTRIBUTES): Define.
16252         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
16253         (print_operand): Handle resbank in %@ operand code.
16254         (sh_encode_section_info): New.
16255         (push_regs): Add conditions for resbank.
16256         (sh_expand_epilogue): Likewise.
16257         (sh_insert_attributes): Likewise.
16258         (sh_attribute_table): Likewise.
16259         (sh_handle_resbank_handler_attribute): New.
16260         (sh2a_handle_function_vector_handler_attribute): New.
16261         (sh2a_is_function_vector_call): New.
16262         (sh2a_get_function_vector_number): New.
16263         (sh2a_function_vector_p): New.
16264         (sh_cfun_resbank_handler_p): New.
16265         * config/sh/sh.md (calli): Emit jsr/n if possible.
16266         (calli_tbr_rel): New.
16267         (calli_pcrel): Emit jsr/n if possible.
16268         (return_i): Emit rts/n if possible.
16269         (call_valuei_tbr_rel): New.
16270         (call_valuei_pcrel): Add condition for SH2A target.
16271         (call_value): Likewise.
16272         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
16273         (sh2a_get_function_vector_number): Likewise.
16274         (sh2a_is_function_vector_call): Likewise.
16275         * doc/extend.texi: Document TBR relative addressing of SH2A.
16276         (resbank): Add description for SH2A.
16277
16278 2008-03-24  Richard Guenther  <rguenther@suse.de>
16279
16280         PR c/22371
16281         * gimplify.c (gimplify_modify_expr): For frontend type-correct
16282         pointer assignments change conversions according to middle-end rules.
16283         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
16284         * configure.ac: Include type checking in yes.
16285         * configure: Regenerate.
16286
16287 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
16288
16289         * diagnostic.c (diagnostic_count_diagnostic): Delete.
16290         (diagnostic_report_diagnostic): Update. Handle ICEs here.
16291
16292 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
16293
16294         * gthr-vxworks.h (UNUSED): Define.
16295
16296 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
16297
16298         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
16299
16300 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
16301
16302         * doc/extend.texi (Function Attributes): Add missing comma in the
16303         example of the "alloc_size" attribute.
16304
16305 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
16306
16307         Revert:
16308         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
16309
16310         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
16311         32bit host.
16312
16313         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
16314
16315         PR target/35496
16316         * stor-layout.c (update_alignment_for_field): Set minimum alignment
16317         of the underlying type of a MS bitfield layout to the natural
16318         alignment of the type.
16319
16320         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
16321
16322         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
16323         to their natural alignment to avoid store forwarding stalls.
16324
16325 2008-03-22  Richard Guenther  <rguenther@suse.de>
16326
16327         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
16328         For PHI nodes verify the address is invariant.
16329         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
16330         (get_symbol_constant_value): Use is_gimple_min_invariant.
16331         (maybe_fold_stmt_indirect): Likewise.
16332
16333 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
16334
16335         PR rtl-optimization/33927
16336         * Makefile.in (dse.o): Depend on $(TM_P_H).
16337         * expr.h (extract_low_bits): Declare.
16338         * expmed.c (extract_low_bits): New function.
16339         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
16340         * dse.c: Include tm_p.h.
16341         (find_shift_sequence): Remove the read_reg argument and return the
16342         read value.  Emit the instructions instead of returning them.
16343         Iterate on new_mode rather than calculating it each time.
16344         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
16345         source to NEW_MODE and extract_low_bits to convert the shifted
16346         value to READ_MODE.
16347         (replace_read): Allow the load and store to have different mode
16348         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
16349         or extraction instructions before trying the replacement.  Update
16350         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
16351
16352 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
16353
16354         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
16355         to their natural alignment to avoid store forwarding stalls.
16356
16357 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16358
16359         PR target/27946
16360         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
16361         encouraging but not allowing gprs for input;
16362         change the input constraint to !f#r.
16363         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
16364         gprs for output;
16365         change the output constraint to !f#r.
16366
16367 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
16368
16369         PR target/13958
16370         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
16371         corresponding post-reload splitters.
16372         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
16373         when x87 FP math is selected.
16374         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
16375         New function prototype.
16376         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
16377         unreachable function to ease macroization of insn patterns.
16378
16379 2008-03-21  Martin Jambor  <mjambor@suse.cz>
16380
16381         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
16382         reference dumps if ddr is NULL or dependence is unknown.
16383
16384 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16385
16386         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
16387         unsigned extension into account.
16388         (ATOMIC_COMPARE_AND_SWAP): Likewise.
16389         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
16390         Do computations on a scratch register.
16391
16392 2008-03-21  Richard Guenther  <rguenther@suse.de>
16393
16394         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
16395         Use is_gimple_min_invariant instead of TREE_INVARIANT.
16396         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
16397         * tree-ssa-dom.c (record_equality): Likewise.
16398         * tree-inline.c (copy_body_r): Likewise.
16399         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
16400         TREE_INVARIANT.
16401
16402 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16403
16404         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
16405         as 'delete_unused' argument.
16406
16407 2008-03-20  Richard Guenther  <rguenther@suse.de>
16408
16409         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
16410         special casing of constant qualifiers.
16411         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
16412         care about them in general.
16413         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
16414         regardless of their type.
16415         (fold_stmt_r): Forcefully fold *& if we end up with that.
16416
16417 2008-03-20  Paul Brook  <paul@codesourcery.com>
16418
16419         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
16420         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
16421         linker flags.
16422         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
16423         definition.
16424         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
16425         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
16426
16427 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
16428
16429         * common.opt (Wmudflap): New option.
16430         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
16431         (mx_register_decls): Likewise.
16432         (mudflap_finish_file): Likewise.
16433         * doc/invoke.texi: Document -Wno-mudflap.
16434
16435 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
16436
16437         * c-format.c (replace_format_name_to_system_name): New.
16438         (cmp_attribs): New.
16439         (convert_format_name_to_system_name): New.
16440         (decode_format_attr): Add use of convert_format_name_to_system_name.
16441         (format_types_orig): Add gnu_ prefix to names.
16442         (check_format_info_main): Special treating of \0 escaped names for
16443         supporting multi-character format specifiers as I32, I64.
16444         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
16445         (gnu_target_overrides_format_attributes): New.
16446         * c-format.h: Add structure target_ovr_attr to hold
16447         system specific formatter names.
16448         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
16449         msformat-c.o file to c_target_objs and cxx_target_objs.
16450         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16451         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
16452         (TARGET_N_FORMAT_TYPES): New.
16453         * config/i386/msformat-c.c: New.
16454         * config/i386/t-cygming: Add build rule for msformat-c.o.
16455         * doc/extend.texi: Add new format names gnu_* and ms_* and
16456         further details.
16457         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16458
16459 2008-03-20  Ira Rosen  <irar@il.ibm.com>
16460
16461         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
16462         optimizations turned on under -O3.
16463         (ftree-vectorize): Add that the flag is turned on with -O3.
16464
16465 2008-03-20  Ben Elliston  <bje@au.ibm.com>
16466
16467         * regmove.c (try_auto_increment): Fix spelling error in comment.
16468         * final.c (final_scan_insn): Likewise.
16469
16470 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
16471
16472         PR target/14552
16473         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
16474         allocator preferences for "y" and "r" class registers.
16475         ("*mov<mode>_internal"): Ditto.
16476         ("*movv2sf_internal_rex64"): Ditto.
16477         ("*movv2sf_internal"): Ditto.
16478
16479 2008-03-19  Michael Matz  <matz@suse.de>
16480
16481         PR middle-end/35616
16482         * calls.c (expand_call): Check overlap of arguments with call
16483         address for sibcalls.
16484
16485 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
16486
16487         PR target/35496
16488         * stor-layout.c (update_alignment_for_field): Set minimum alignment
16489         of the underlying type of a MS bitfield layout to the natural
16490         alignment of the type.
16491
16492 2008-03-19  Jan Hubicka  <jh@suse.cz>
16493
16494         PR other/35094
16495         * toplev.c (decode_d_option): Handle all CPP flags.
16496         * tree-vrp.c: Update tree_pass descriptors.
16497         * regrename.c: Update tree_pass descriptors.
16498         * fwprop.c: Update tree_pass descriptors.
16499         * doc/invoke.texi: Remove documentation of dropped -d? flags.
16500         * tree-into-ssa.c: Update tree_pass descriptors.
16501         * tree-dump.c: Update tree_pass descriptors.
16502         * tree-complex.c: Update tree_pass descriptors.
16503         * tree-dump.h: Update tree_pass descriptors.
16504         * see.c: Update tree_pass descriptors.
16505         * cgraphbuild.c: Update tree_pass descriptors.
16506         * tracer.c: Update tree_pass descriptors.
16507         * tree-loop-distribution.c: Update tree_pass descriptors.
16508         * cgraph.c: Update tree_pass descriptors.
16509         * postreload-gcse.c: Update tree_pass descriptors.
16510         * postreload.c: Update tree_pass descriptors.
16511         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
16512         * tree-tailcall.c: Update tree_pass descriptors.
16513         * tree-pass.h (tree_opt_pass): Rename to ...
16514         (opt_pass) ... this one; add "type" field and remove letter field.
16515         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
16516         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
16517         all_lowering_passes): Update declaration.
16518         * ipa-cp.c: Update tree_pass descriptors.
16519         * final.c: Update tree_pass descriptors.
16520         * omp-low.c: Update tree_pass descriptors.
16521         * tree-ssa-dse.c: Update tree_pass descriptors.
16522         * ipa-reference.c: Update tree_pass descriptors.
16523         * tree-ssa-uncprop.c: Update tree_pass descriptors.
16524         * auto-inc-dec.c: Update tree_pass descriptors.
16525         * reorg.c: Update tree_pass descriptors.
16526         * cgraphunit.c: Update tree_pass descriptors.
16527         * tree-ssa-copyrename.c: Update tree_pass descriptors.
16528         * tree-ssa-ccp.c: Update tree_pass descriptors.
16529         * df-core.c: Update tree_pass descriptors.
16530         * mode-switching.c: Update tree_pass descriptors.
16531         * tree-nomudflap.c: Update tree_pass descriptors.
16532         * modulo-sched.c: Update tree_pass descriptors.
16533         * ipa-pure-const.c: Update tree_pass descriptors.
16534         * cse.c: Update tree_pass descriptors.
16535         * web.c: Update tree_pass descriptors.
16536         * tree-stdarg.c: Update tree_pass descriptors.
16537         * tree-ssa-math-opts.c: Update tree_pass descriptors.
16538         * tree-ssa-dom.c: Update tree_pass descriptors.
16539         * tree-nrv.c: Update tree_pass descriptors.
16540         * tree-ssa-alias.c: Update tree_pass descriptors.
16541         * loop-init.c: Update tree_pass descriptors.
16542         * gimple-low.c: Update tree_pass descriptors.
16543         * ipa-inline.c: Update tree_pass descriptors.
16544         * tree-ssa-sink.c: Update tree_pass descriptors.
16545         * global.c: Update tree_pass descriptors.
16546         * ifcvt.c: Update tree_pass descriptors.
16547         * jump.c: Update tree_pass descriptors.
16548         * predict.c: Update tree_pass descriptors.
16549         * tree-ssa-loop.c: Update tree_pass descriptors.
16550         * recog.c: Update tree_pass descriptors.
16551         * dse.c: Update tree_pass descriptors.
16552         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
16553         * tree-eh.c: Update tree_pass descriptors.
16554         * regmove.c: Update tree_pass descriptors.
16555         * local-alloc.c
16556         * function.c: Update tree_pass descriptors.
16557         * tree-vectorizer.c: Update tree_pass descriptors.
16558         * gcse.c: Update tree_pass descriptors.
16559         * ipa-type-escape.c: Update tree_pass descriptors.
16560         * tree-if-conv.c: Update tree_pass descriptors.
16561         * init-regs.c: Update tree_pass descriptors.
16562         * ipa.c: Update tree_pass descriptors.
16563         * tree-ssa-phiopt.c: Update tree_pass descriptors.
16564         * rtl-factoring.c: Update tree_pass descriptors.
16565         * lower-subreg.c: Update tree_pass descriptors.
16566         * bt-load.c: Update tree_pass descriptors.
16567         * tree-dfa.c: Update tree_pass descriptors.
16568         * except.c: Update tree_pass descriptors.
16569         * emit-rtl.c: Update tree_pass descriptors.
16570         * cfgexpand.c: Update tree_pass descriptors.
16571         * tree-cfgcleanup.c: Update tree_pass descriptors.
16572         * cfgcleanup.c: Update tree_pass descriptors.
16573         * tree-ssa-pre.c: Update tree_pass descriptors.
16574         * tree-sra.c: Update tree_pass descriptors.
16575         * tree-mudflap.c: Update tree_pass descriptors.
16576         * tree-ssa-copy.c: Update tree_pass descriptors.
16577         * cfglayout.c: Update tree_pass descriptors.
16578         * tree-ssa-forwprop.c: Update tree_pass descriptors.
16579         * tree-ssa-dce.c: Update tree_pass descriptors.
16580         * tree-ssa.c: Update tree_pass descriptors.
16581         * regclass.c: Update tree_pass descriptors.
16582         * integrate.c: Update tree_pass descriptors.
16583         * tree-optimize.c: Update tree_pass descriptors.
16584         * tree-ssa-phiprop.c: Update tree_pass descriptors.
16585         * tree-object-size.c: Update tree_pass descriptors.
16586         * combine.c: Update tree_pass descriptors.
16587         * tree-outof-ssa.c: Update tree_pass descriptors.
16588         * bb-reorder.c: Update tree_pass descriptors.
16589         * stack-ptr-mod.c: Update tree_pass descriptors.
16590         * var-tracking.c: Update tree_pass descriptors.
16591         * tree-profile.c: Update tree_pass descriptors.
16592         * tree-vect-generic.c: Update tree_pass descriptors.
16593         * reg-stack.c: Update tree_pass descriptors.
16594         * sched-rgn.c: Update tree_pass descriptors.
16595         * tree-ssa-structalias.c: Update tree_pass descriptors.
16596         * tree-cfg.c: Update tree_pass descriptors.
16597         * passes.c (current_pass): Update declaration.
16598         (finish_optimization_passes): Update.
16599         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
16600         (register_one_dump_file, register_dump_files_1, next_pass_1):
16601         Update arguments.
16602         (init_optimization_passes): Update handling of new types.
16603         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
16604         * ipa-struct-reorg.c: Update tree_pass descriptors.
16605         * tree-ssa-reassoc.c: Update tree_pass descriptors.
16606         * combine-stack-adj.c: Update tree_pass descriptors.
16607         * cfgrtl.c: Update tree_pass descriptors.
16608         * dce.c: Update tree_pass descriptors.
16609         * tree-ssanames.c: Update tree_pass descriptors.
16610
16611 2008-03-19  Richard Guenther  <rguenther@suse.de>
16612
16613         PR middle-end/35609
16614         * tree-ssa.c (walk_data): New structure.
16615         (warn_uninitialized_var): If not always_executed warn with "maybe"
16616         instead of "is".
16617         (execute_early_warn_uninitialized): Compute post-dominators.
16618         Initialize always_executed before processing each basic block.
16619
16620 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
16621
16622         PR target/35504
16623         * config/i386/i386.c (x86_this_parameter): Calculate correct location
16624         of "this" pointer when "regparm = N" or "fastcall" is in effect.
16625
16626 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16627
16628         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
16629
16630 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
16631
16632         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
16633         is true.
16634         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
16635         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
16636         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
16637         target after ignore has been set, and move there also the commputation
16638         of subtarget and original_target.
16639         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
16640         (LANG_HOOKS_INITIALIZER): Remove it.
16641         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
16642
16643 2008-03-18  Richard Guenther  <rguenther@suse.de>
16644
16645         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
16646         found an expression with constants, note that in the VN for the lhs.
16647         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
16648         fold them to constants if possible.  Run cleanup_cfg if done so.
16649         (execute_pre): Return todo.
16650         (do_pre): Likewise.
16651         (execute_fre): Likewise.
16652         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
16653         of constants.
16654         (get_prop_source_stmt): Look through pointer conversions.
16655
16656 2008-03-18  Jan Hubicka  <jh@suse.cz>
16657
16658         * tree-pretty-print.c: Include predict.h.
16659         (dump_generic_node): Dump predictor.
16660         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
16661         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
16662         * gimple-low.c (lower_stmt): Likewise.
16663         * expr.c (expand_expr_real): Likewise.
16664         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
16665         them.
16666         (build_predict_expr, build_predict_expr): New.
16667         * predict.h (predictor_name, build_predict_expr): Update.
16668         * c-typeck.c (c_finish_bc_stmt): Add prediction.
16669         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
16670         * predict.def (PRED_CONTINUE): Update hitrate.
16671         * tree.def (PREDICT_EXPR): Define.
16672         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
16673         do not handle BIND_EXPR.
16674         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
16675         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
16676         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
16677         operands.
16678
16679 2008-03-18  Michael Matz  <matz@suse.de>
16680
16681         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
16682
16683 2008-03-18  Richard Guenther  <rguenther@suse.de>
16684
16685         * tree-gimple.h (is_gimple_invariant_address): Declare.
16686         (is_gimple_constant): Likewise.
16687         * tree-gimple.c (is_gimple_constant): New function.
16688         (is_gimple_invariant_address): Likewise.
16689         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
16690         and is_gimple_invariant_address.
16691         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
16692         previous change.
16693         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
16694         an addressable base.
16695
16696 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
16697
16698         PR middle-end/35611
16699         * gimplify.c (gimplify_expr): Gimplify second operand of
16700         OMP_ATOMIC_LOAD.
16701
16702 2008-03-17  Richard Guenther  <rguenther@suse.de>
16703
16704         PR tree-optimization/19637
16705         * fold-const.c (fold_unary): Remove restrictions of removing
16706         intermediate pointer-conversions (P2)(P1)P0.
16707         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
16708         conversion to void pointer.
16709         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
16710
16711 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
16712
16713         PR debug/31510
16714         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
16715         emulated thread local variables.
16716
16717 2008-03-16  Richard Guenther  <rguenther@suse.de>
16718
16719         PR middle-end/35607
16720         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
16721         expand TREE_INVARIANT operations that are not gimple invariant.
16722
16723 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
16724
16725         * doc/extend.texi (Alignment): Say that the ABI controls
16726         the __alignof__ for non-strict-alignment targets rather
16727         than being a recommendation.
16728
16729 2008-03-15  Paul Brook  <paul@codesourcery.com>
16730
16731         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
16732         annotations.
16733         (arm_output_fn_unwind): Mark functions that can not be unwound.
16734
16735 2008-03-15  Paul Brook  <paul@codesourcery.com>
16736
16737         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
16738         extension instructions.
16739
16740 2008-03-15  Richard Guenther  <rguenther@suse.de>
16741
16742         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
16743         and fold constant aggregate refs.
16744         (fold_const_aggregate_ref): Handle string constants
16745         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
16746         (evaluate_stmt): Simplify now that ccp_fold folds constant
16747         aggregate refs.
16748
16749 2008-03-15  Paul Brook  <paul@codesourcery.com>
16750
16751         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
16752         (extzv): Use gen_extzv_t2.
16753         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
16754
16755 2008-03-15  Richard Guenther  <rguenther@suse.de>
16756
16757         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
16758         (fold_const_aggregate_ref): Likewise.
16759         (get_value): Return NULL if we don't have any values.
16760         (ccp_finalize): Set const_val to NULL after freeing it.
16761         * tree-flow.h (get_symbol_constant_value): Declare.
16762         (fold_const_aggregate_ref): Likewise.
16763         * tree-ssa-sccvn.c (try_to_simplify): Use them.
16764
16765 2008-03-15  Richard Guenther  <rguenther@suse.de>
16766
16767         PR middle-end/35593
16768         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
16769         to not produce negative array indices if not allowed.  Add
16770         parameter to indicate that.
16771         (maybe_fold_offset_to_component_ref): Allow negative array
16772         indices only for the first member of a structure.
16773         (maybe_fold_offset_to_reference): Allow negative array indices.
16774         (maybe_fold_stmt_addition): Likewise.
16775
16776 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
16777             Anatoly Sokolov <aesok@post.ru>
16778
16779         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
16780         (avr_arch): Add ARCH_AVR6.
16781         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
16782         (initial_elimination_offset): Initialize and use 'avr_pc_size'
16783         instead of fixed value 2.
16784         (print_operand_address): Use gs() asm specifier instead of pm().
16785         (avr_assemble_integer): (Ditto.).
16786         (avr_output_addr_vec_elt): (Ditto.).
16787         (print_operand): Handle "!" code.
16788         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
16789         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
16790         (AVR_HAVE_EIJMP_EICALL): Define.
16791         (AVR_3_BYTE_PC): Redefine.
16792         (AVR_2_BYTE_PC): (Ditto.).
16793         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
16794         (LINK_SPEC): Add atmega2560 and atmega2561.
16795         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
16796         (crtm2561.o).
16797         * config/avr/avr.md (call_insn): Use eicall instead of icall
16798         for 3 byte PC devices.
16799         (call_value_insn): (Ditto.).
16800         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
16801         (indirect_jump): Use only for for 2 byte PC devices.
16802         (*tablejump): (Ditto.).
16803         (*indirect_jump_avr6): Add insn.
16804         (*tablejump_rjmp): Don't use for 3 byte PC devices.
16805         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
16806         instead of ijmp for 3 byte PC devices.
16807         (__tablejump2__): (Ditto.).
16808         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
16809         (MULITLIB_DIRNAMES): (Ditto.).
16810         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
16811
16812 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
16813
16814         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
16815         "sse2_umulsidi3".  Use V1DI mode for operand 0.
16816         ("mmx_psadbw"): Use V1DI mode for operand 0.
16817         * config/i386/i386-modes.def (V1SI): New vector mode.
16818         * config/i386/i386.c (struct builtin_description)
16819         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
16820         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
16821         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
16822         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
16823         v1di_ftype_v8qi_v8qi type.
16824         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
16825
16826         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
16827         __builtin_ia32_pmuludq]: Fix the mode of return value.
16828
16829 2008-03-15  Richard Guenther  <rguenther@suse.de>
16830
16831         PR middle-end/35595
16832         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
16833         being a PHI_NODE.
16834
16835 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
16836
16837         * doc/invoke.texi (Option Summary, Xtensa Options): Document
16838         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
16839         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
16840         unless TARGET_SERIALIZE_VOLATILE is enabled.
16841         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
16842         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
16843         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
16844
16845 2008-03-14  Richard Guenther  <rguenther@suse.de>
16846
16847         PR tree-optimization/34172
16848         * tree-flow.h (refs_may_alias_p): Declare.
16849         (get_single_def_stmt): Likewise.
16850         (get_single_def_stmt_from_phi): Likewise.
16851         (get_single_def_stmt_with_phi): Likewise.
16852         * tree-dfa.c (refs_may_alias_p): New function.
16853         (get_single_def_stmt): Likewise.
16854         (get_single_def_stmt_from_phi): Likewise.
16855         (get_single_def_stmt_with_phi): Likewise.
16856         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
16857         (vn_reference_lookup_1): New helper function.
16858         (vn_reference_lookup): Walk the virtual use-def chain to
16859         continue searching for a match if the def does not alias the
16860         reference we are looking for.
16861
16862 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
16863
16864         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
16865         archive and Perzl.  Update The Written Word listing.
16866
16867 2008-03-14  Richard Guenther  <rguenther@suse.de>
16868
16869         PR tree-optimization/34043
16870         PR tree-optimization/33989
16871         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
16872         when doing FRE.
16873         (bitmap_find_leader): Use extra argument to verify dominance
16874         relationship inside a basic-block.
16875         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
16876         (find_leader_in_sets): Adjust.
16877         (create_component_ref_by_pieces): Take extra argument for
16878         dominance check, handle lookup failures.
16879         (find_or_generate_expression): Likewise.
16880         (create_expression_by_pieces): Likewise.
16881         (insert_into_preds_of_block): Adjust.
16882         (create_value_expr_from): If asked for, verify all operands
16883         are in the blocks AVAIL_OUT set.
16884         (make_values_for_stmt): Check for SSA_NAMEs that are life
16885         over an abnormal edge.
16886         (compute_avail): Remove such check.
16887         (do_SCCVN_insertion): New function.
16888         (eliminate): If we do not find a leader suitable for replacement
16889         insert a replacement expression from SCCVN if available.
16890         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
16891         (struct vn_ssa_aux): Add needs_insertion flag.
16892         * tree-ssa-sccvn.c (may_insert): New global flag.
16893         (copy_reference_ops_from_ref): Value-number union member access
16894         based on its size, not type and member if insertion is allowed.
16895         (visit_reference_op_load): For a weak match from union type
16896         punning lookup a view-converted value and insert a SSA_NAME
16897         for that value if that is not found.
16898         (visit_use): Make dumps shorter.  Do not disallow value numbering
16899         SSA_NAMEs that are life over an abnormal edge to constants.
16900         (free_scc_vn): Release inserted SSA_NAMEs.
16901         (run_scc_vn): New flag to specify whether insertion is allowed.
16902         Process SSA_NAMEs in forward order.
16903         * tree-ssa-loop-im.c (for_each_index): Handle invariant
16904         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
16905         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
16906         pointer type to/from integral types that do not change the
16907         precision to regular conversions.
16908
16909 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16910
16911         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
16912         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
16913         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
16914         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
16915         input arguments and the mode of return value.  Built-in functions
16916         that operate on whole 64-bit MMX register now use V1DI mode.
16917
16918 2008-03-13  Alon Dayan  <alond@il.ibm.com>
16919             Olga Golovanevsky  <olga@il.ibm.com>
16920
16921         PR tree-optimization/35041
16922         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
16923         to locate the right position in a statement.
16924
16925 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16926
16927         PR target/34000
16928         PR target/35553
16929         * config/i386/xmmintrin.h:  Change all static inline functions to
16930         extern inline and add __gnu_inline__ attribute.
16931         * config/i386/bmintrin.h: Ditto.
16932         * config/i386/smmintrin.h: Ditto.
16933         * config/i386/tmmintrin.h: Ditto.
16934         * config/i386/mmintrin-common.h: Ditto.
16935         * config/i386/ammintrin.h: Ditto.
16936         * config/i386/emmintrin.h: Ditto.
16937         * config/i386/pmmintrin.h: Ditto.
16938         * config/i386/mmintrin.h: Ditto.
16939         * config/i386/mm3dnow.h: Ditto.
16940
16941 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
16942
16943         PR middle-end/35185
16944         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
16945         (lower_omp_2): New function.
16946         (lower_omp_1, lower_omp): Rewritten.
16947
16948 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
16949
16950         PR 35054
16951         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
16952         with the phrase "Microsoft Windows compilers".
16953         (Push/Pop Macro Pragmas): New subsection. Document
16954         #pragma push_macro and pragma pop_macro.
16955
16956 2008-03-12  Paul Brook  <paul@codesourcery.com>
16957
16958         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
16959
16960 2008-03-12  Paul Brook  <paul@codesourcery.com>
16961
16962         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
16963         (thumb2_alusi3_short): Exclude PLUS and MINUS.
16964         (thumb2_addsi_shortim): Rename ...
16965         (thumb2_addsi_short): ... to this.  Allow register operands.
16966         (thumb2_subsi_short): New pattern.
16967         (thumb2_one_cmplsi2_short,
16968         thumb2_negsi2_short): New patterns and peepholes.
16969
16970 2008-03-12  Paul Brook  <paul@codesourcery.com>
16971
16972         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
16973
16974 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
16975
16976         * config/i386/i386.md (int_cond): New code iterator.
16977         (fp_cond): Ditto.
16978         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
16979         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
16980         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
16981         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
16982         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
16983         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
16984         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
16985         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
16986
16987 2008-03-12  Paul Brook  <paul@codesourcery.com>
16988
16989         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
16990         instead of {arm,thumb}_compute_save_reg_mask.
16991         (output_return_instruction): Ditto.
16992         (thumb_unexpanded_epilogue): Ditto.
16993         (thumb1_expand_prologue): Ditto.
16994         (thumb1_output_function_prologue): Ditto.
16995         (arm_set_return_address): Ditto.
16996         (thumb_set_return_address): Ditto.
16997         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
16998         regs to achieve stack alignment.
16999         (thumb1_compute_save_reg_mask): Fix compiler warning.
17000         (arm_output_epilogue): Use offsets->saved_regs_mask.
17001         Adjust stack pointer by poping call clobered registers.
17002         (arm_expand_prologue): Use offsets->saved_regs_mask.
17003         Adjust stack pointer by pushing extra registers.
17004         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
17005
17006 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
17007
17008         PR tree-opt/35422
17009         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
17010         conversion to the operands of a multiplication.
17011
17012 2008-03-12  Richard Guenther  <rguenther@suse.de>
17013
17014         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
17015         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
17016         * timevar.def (TV_TREE_PHIPROP): Add.
17017         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
17018         pass description.  Use TV_TREE_PHIPROP.
17019         * tree-ssa-forwprop.c: Remove phiprop code.
17020
17021 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
17022
17023         PR middle-end/35549
17024         * omp-low.c (maybe_lookup_decl): Constify first argument.
17025         (use_pointer_for_field): Change last argument from bool to
17026         omp_context *.  Disallow shared copy-in/out in nested
17027         parallel if decl is shared in outer parallel too.
17028         (build_outer_var_ref, scan_sharing_clauses,
17029         lower_rec_input_clauses, lower_copyprivate_clauses,
17030         lower_send_clauses, lower_send_shared_vars): Adjust callers.
17031
17032 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
17033             Ira Rosen  <irar@il.ibm.com>
17034
17035         * tree-vectorizer.c (free_stmt_vec_info): New function.
17036         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
17037         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
17038         * tree-vectorizer.h (free_stmt_vec_info): Declare.
17039         * tree-vect-transform.c (vectorizable_conversion): Free
17040         vec_oprnds0 if it was allocated.
17041         (vect_permute_store_chain): Remove unused VECs.
17042         (vectorizable_store): Free VECs that are allocated in the..
17043         function.
17044         (vect_transform_strided_load, vectorizable_load): Likewise.
17045         (vect_remove_stores): Simplify the code.
17046         (vect_transform_loop): Move code to vect_remove_stores().
17047         Call vect_remove_stores() and free_stmt_vec_info().
17048
17049 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17050
17051         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
17052         TARGET_HPUX.  Revise comment.
17053         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
17054         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
17055         Use sr4 variant of `be' instruction when not generating PIC code.
17056         (attr_length_call): Adjust for above change.
17057
17058 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17059
17060         * ipa-reference.c (static_execute): Remove module_statics_const and
17061         associated setting code.
17062
17063 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
17064
17065         PR target/35540
17066         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
17067         predicate for operand 1.
17068         (paritysi2_cmp): Use register_operand predicate for operand 2.
17069         Use earlyclobber modifier for operand 1.  Remove support for
17070         memory operands.
17071         (paritydi2_cmp): Use register_operand predicate for operand 3.
17072         Use earlyclobber modifier for operand 1.  Remove support for
17073         memory operands.
17074
17075 2008-03-11  Paul Brook  <paul@codesourcery.com>
17076             Vladimir Prus  <vladimir@codesourcery.com>
17077
17078         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
17079         (arm_compute_save_reg0_reg12_mask): Always
17080         check if register 11 must be saved.  Always safe hard frame pointer
17081         when frame_pointer_needeed.
17082         (arm_compute_save_reg_mask): Save IP and PC
17083         only with apcs frames.
17084         (arm_output_epilogue): Adjust Thumb2 codepath to
17085         be also invoked and work for ARM non-apcs frames.
17086         (arm_expand_prologue): Don't bother saving IP
17087         for non-apcs frame, since it's not clobbered by
17088         prologue code.  Implement non-apcs frame
17089         layout.
17090
17091 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
17092
17093         PR rtl-optimization/35281
17094         * expr.c (convert_move): Use a new pseudo for the intermediate
17095         from_mode->word_mode result.
17096
17097 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
17098
17099         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
17100         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
17101         * toplev.c (compile_file): Don't call it.
17102
17103 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
17104
17105         PR middle-end/35526
17106         * expr.c (store_expr): Call emit_block_move if the mode
17107         of "temp" RTX is BLKmode.
17108
17109 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17110             Richard Guenther  <rguenther@suse.de>
17111
17112         PR tree-optimization/31358
17113         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
17114         the step with a NULL_TREE.
17115         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
17116         to sizetype if type is a pointer type.
17117         (add_candidate_1): Don't convert the base and step to
17118         the generic type if the orginal type is a pointer type.
17119         (add_iv_value_candidates): Use sizetype for the step
17120         if type is a pointer type.
17121         (cand_value_at): Likewise.
17122         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
17123         for pointer types.
17124         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
17125         Don't convert the tem affine to the type.
17126         (add_elt_to_tree): Use sizetype for the step if a pointer.
17127         Use POINTER_PLUS_EXPR for pointers.
17128         (aff_combination_to_tree): Use sizetype for the step if a
17129         pointer.
17130
17131 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
17132
17133         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
17134         Remove commutativity hint.
17135
17136 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
17137
17138         PR c/35438
17139         PR c/35439
17140         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
17141         errorneous type.  Check that v is a VAR_DECL.
17142
17143         PR middle-end/35099
17144         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
17145
17146 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
17147
17148         PR tree-optimization/35494
17149         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
17150         may be overriden at link and run time.
17151
17152 2008-03-10  Richard Guenther  <rguenther@suse.de>
17153
17154         PR tree-optimization/34677
17155         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
17156         (poolify_tree): Likewise.
17157         (modify_expr_template): Likewise.
17158         (poolify_modify_stmt): Likewise.
17159         (insert_fake_stores): Handle all component-ref style stores
17160         in addition to INDIRECT_REF.  Also handle complex types.
17161         Do not poolify the inserted load.
17162         (realify_fake_stores): Do not rebuild the tree but only
17163         make it a SSA_NAME copy.
17164         (init_pre): Remove initialzation of modify_expr_template.
17165         Do not allocate modify_expr_node_pool.
17166         (fini_pre): Do not free modify_expr_node_pool.
17167
17168 2008-03-10  Paul Brook  <paul@codesourcery.com>
17169
17170         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
17171         to avoid conflicts.
17172
17173 2008-03-10  Paul Brook  <paul@codesourcery.com>
17174             Mark Shinwell  <shinwell@codesourcery.com>
17175
17176         * config/arm/cortex-r4.md: New.
17177         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
17178         insn attributes.
17179         * config/arm/arm.md: Include cortex-r4.md.
17180         (insn): Add smmls, sdiv and udiv values.
17181         (generic_sched): Don't use generic scheduling for Cortex-R4.
17182         (arm_issue_rate): New function.
17183         (TARGET_SCHED_ISSUE_RATE): Define.
17184
17185 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
17186
17187         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
17188
17189 2008-03-10  Richard Guenther  <rguenther@suse.de>
17190
17191         * tree-ssa-pre.c (get_sccvn_value): Simplify.
17192         (compute_avail): Do not add stmt uses to AVAIL_OUT.
17193
17194 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
17195
17196         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
17197         Set default to true.
17198
17199 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17200
17201         * c.opt (Wsynth): Deprecate.
17202         * doc/invoke.texi (Option Summary, Warning Options): Document
17203         -Wno-format-contains-nul.
17204
17205 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
17206
17207         PR target/35496
17208         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
17209         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
17210
17211 2008-03-09  Ira Rosen  <irar@il.ibm.com>
17212
17213         * config/rs6000/rs6000.c (builtin_description): Rename vector
17214         left shift operations.
17215         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
17216         (altivec_vsl<VI_char>): Rename to ...
17217         (ashl<mode>3): ... new name.
17218         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
17219         gen_ashlv4si3.
17220         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
17221
17222 2008-03-08  Richard Guenther  <rguenther@suse.de>
17223
17224         * coverage.h (tree_coverage_counter_addr): Declare.
17225         * coverage.c (tree_coverage_counter_addr): New function.
17226         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
17227         before using again.
17228         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
17229         (tree_gen_one_value_profiler): Likewise.
17230         (tree_gen_ic_profiler): Likewise.
17231         (tree_gen_average_profiler): Likewise.
17232         (tree_gen_ior_profiler): Likewise.
17233
17234 2008-03-08  Richard Guenther  <rguenther@suse.de>
17235
17236         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
17237         (vn_binary_op_insert): Likewise.
17238         (vn_unary_op_lookup): Likewise.
17239         (vn_unary_op_insert): Likewise.
17240         (vn_nary_op_lookup): Declare.
17241         (vn_nary_op_insert): Likewise.
17242         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
17243         and binary hashes, use a single obstack for unary_op_pool
17244         and binary_op_pool.
17245         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
17246         a single struct vn_nary_op_s.  Store tree code length and
17247         a variable number of operands.
17248         (struct vn_reference_op_struct): Remove unused op2.
17249         (vn_reference_op_eq): Do not compare op2.
17250         (vn_reference_op_compute_hash): Do not compute hash of op2.
17251         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
17252         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
17253         with vn_nary_op_compute_hash.
17254         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
17255         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
17256         vn_nary_op_lookup.
17257         (vn_unary_op_insert, vn_binary_op_insert): Replace with
17258         vn_nary_op_insert.
17259         (visit_unary_op): Call nary functions.
17260         (visit_binary_op): Likewise.
17261         (process_scc): Adjust for struct vn_tables_s changes.
17262         (allocate_vn_table): Likewise.
17263         (free_vn_table): Likewise.
17264         * tree-vn.c (vn_add): Call nary functions.
17265         (vn_lookup): Likewise.
17266
17267 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
17268
17269         PR target/35498
17270         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
17271         wdst back after sync_compare_and_swapqhi_internal.
17272
17273 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
17274
17275         PR target/22152
17276         * config/i386/i386-modes.def (V1DI): New vector mode.
17277         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
17278         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
17279         (MMXMODE248): Ditto.
17280         (MMXMODE): Add V1DI mode.
17281         (mmxvecsize): Change DI mode to V1DI mode.
17282         ("mov<mode>): Use MMXMODEI8 mode iterator.
17283         ("*mov<mode>_internal_rex64"): Ditto.
17284         ("*mov<mode>_internal"): Ditto.
17285         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
17286         ("mmx_sub<mode>3"): Ditto.
17287         ("mmx_adddi3"): Remove insn pattern.
17288         ("mmx_subdi3"): Ditto.
17289         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
17290         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
17291         ("mmx_ashl<mode>3"): Ditto.
17292         ("mmx_lshrdi3"): Remove insn pattern.
17293         ("mmx_ashldi3"): Ditto.
17294         * config/i386/i386.c (classify_argument): Handle V1DImode.
17295         (function_arg_advance_32): Ditto.
17296         (function_arg_32): Ditto.
17297         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
17298         mmx_addv1di3 insn pattern.
17299         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
17300         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
17301         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
17302         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
17303         Remove definitions of built-in functions.
17304         (V1DI_type_node): New node.
17305         (v1di_ftype_v1di_int): Ditto.
17306         (v1di_ftype_v1di_v1di): Ditto.
17307         (v2si_ftype_v2si_si): Ditto.
17308         (v4hi_ftype_v4hi_di): Remove node.
17309         (v2si_ftype_v2si_di): Ditto.
17310         (ix86_init_mmx_sse_builtins): Handle V1DImode.
17311         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
17312         Redefine builtins using def_builtin_const with *_ftype_*_int node.
17313         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
17314         Add new builtins using def_builtin_const.
17315         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
17316         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
17317         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
17318         * config/i386/mmintrin.h (__v1di): New typedef.
17319         (_mm_add_si64): Cast arguments to __v1di type.
17320         (_mm_sub_si64): Ditto.
17321         (_mm_sll_pi16): Cast __count to __v4hi type.
17322         (_mm_sll_pi32): Cast __count to __v2si type.
17323         (_mm_sll_si64): Cast arguments to __v1di type.
17324         (_mm_srl_pi16): Cast __count to __v4hi type.
17325         (_mm_srl_pi32): Cast __count to __v2si type.
17326         (_mm_srl_si64): Cast arguments to __v1di type.
17327         (_mm_sra_pi16): Cast __count to __v4hi type.
17328         (_mm_sra_pi32): Cast __count to __v2si type.
17329         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
17330         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
17331         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
17332         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
17333         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
17334         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
17335         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
17336         (_mm_srai_pi32): Use __builtin_ia32_psradi.
17337         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
17338         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
17339         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
17340         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
17341
17342 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
17343
17344         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
17345
17346 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
17347
17348         PR target/35373
17349         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
17350         reg+const addressing for Altivec modes.  Don't generate reg+reg
17351         addressing for TFmode or TDmode quantities.
17352
17353 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
17354
17355         * c-common.c (vector_types_convertible_p): Call langhook
17356         instead of comptypes.
17357
17358 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17359
17360         PR tree-opt/35402
17361         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
17362         integral and scalar float variables which have a
17363         NULL DECL_INITIAL.
17364
17365 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
17366
17367         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
17368         dwarf_register_span hook when emitting unwind information for
17369         register-to-memory saves.
17370         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
17371         (rs6000_frame_related): Remove call to spe_synthesize_frame.
17372
17373 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
17374
17375         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
17376         for the same VAR_DECL.
17377
17378 2008-03-06  Tom Tromey  <tromey@redhat.com>
17379
17380         * treelang: Delete.
17381         * doc/standards.texi (Standards): Don't mention treelang.
17382         * doc/invoke.texi (Overall Options): Don't mention treelang.
17383         * doc/install.texi (Prerequisites): Don't mention bison or
17384         treelang.
17385         (Configuration): Don't mention treelang.
17386         (Building): Likewise.
17387         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
17388
17389 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
17390
17391         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
17392         word-extractions out of a multi-word object.
17393
17394 2008-03-06  Richard Guenther  <rguenther@suse.de>
17395
17396         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
17397         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
17398         result type and precision.
17399         * expr.c (get_inner_reference): Set unsignedp based on the result
17400         type of BIT_FIELD_REF.
17401         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
17402         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
17403         (try_instantiate_multiple_fields): Likewise.  Use the correct type
17404         for BIT_FIELD_REF.
17405         (sra_build_assignment): Likewise.
17406         (sra_build_elt_assignment): Likewise.
17407         (sra_explode_bitfield_assignment): Likewise.
17408         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
17409         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
17410         set BIT_FIELD_REF_UNSIGNED.
17411         (vectorizable_load): Likewise.
17412
17413 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
17414
17415         * cse.c (cse_extended_basic_block): Invalidate artificial defs
17416         at bb start.
17417
17418 2008-03-06  Richard Guenther  <rguenther@suse.de>
17419
17420         * alias.c (struct alias_set_entry): Move has_zero_child field
17421         to pack with alias_set.
17422
17423 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
17424
17425         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
17426         32bit host.
17427
17428 2008-03-05  Ian Lance Taylor  <iant@google.com>
17429
17430         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
17431
17432 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
17433
17434         * fwprop.c (update_df): Support width and offset parameters of
17435         df_ref_create.
17436         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
17437         global_conflicts): Change DF_REF_EXTRACT to either
17438         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17439         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17440         * df-scan.c (df_ref_record, df_defs_record,
17441         df_ref_create_structure, df_def_record_1, df_uses_record,
17442         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
17443         df_bb_refs_collect, df_entry_block_defs_collect,
17444         df_exit_block_uses_collect): Support new width and offset fields.
17445         (ref_extract_pool): New storage pool.
17446         (df_free_ref): New function.
17447         (df_reg_chain_unlink, df_free_collection_rec,
17448         df_sort_and_compress_refs): Call df_free_ref.
17449         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
17450         of df_ref_extract.
17451         (df_ref_create_structure): Allocate df_ref_extract if offset and
17452         width fields are used.
17453         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
17454         (df_uses_record): Get offset and width from ZERO_EXTRACT
17455         and SIGN_EXTRACT.
17456         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
17457         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17458         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17459         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
17460         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17461         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17462         (df_ref_extract): New structure.
17463         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
17464         (df_ref_create): Add width and offset parameters.
17465
17466 2008-03-05  Richard Guenther  <rguenther@suse.de>
17467
17468         * tree-ssa-structalias.c (get_constraint_for_component_ref):
17469         Use ranges_overlap_p.
17470         (offset_overlaps_with_access): Rename
17471         to ranges_overlap_p and move ...
17472         * tree-flow-inline.h (ranges_overlap_p): ... here.
17473
17474         * tree.h (get_inner_reference, handled_component_p): Update
17475         comments.
17476
17477         * tree.h (record_component_aliases, get_alias_set,
17478         alias_sets_conflict_p, alias_sets_must_conflict_p,
17479         objects_must_conflict_p): Move declarations ...
17480         * alias.h (record_component_aliases, get_alias_set,
17481         alias_sets_conflict_p, alias_sets_must_conflict_p,
17482         objects_must_conflict_p): ... here.
17483         Include coretypes.h.
17484         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
17485
17486 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
17487
17488         * cfg.c: Include tree-flow.h.
17489         (remove_edge_raw): Call redirect_edge_var_map_clear.
17490         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
17491         * tree-flow-inline.h (redirect_edge_var_map_def): New.
17492         (redirect_edge_var_map_result): New.
17493         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
17494         PENDING_STMT use with redirect_edge_var_map_*.
17495         * tree-ssa.c (edge_var_maps): New definition.
17496         (redirect_edge_var_map_add): New.
17497         (redirect_edge_var_map_clear): New.
17498         (redirect_edge_var_map_dup): New.
17499         (redirect_edge_var_map_vector): New.
17500         (redirect_edge_var_map_destroy): New.
17501         (ssa_redirect_edge): Replace PENDING_STMT use with
17502         redirect_edge_var_map_*.
17503         (flush_pending_stmts): Same.
17504         (delete_tree_ssa): Destroy edge var map.
17505         * tree-flow.h (struct _edge_var_map): New.
17506         Define edge_var_map vector type.
17507         Declare redirect_edge_var_map_* prototypes.
17508         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
17509         * tree-cfg.c (reinstall_phi_args): Replace
17510         PENDING_STMT use with redirect_edge_var_map_*.
17511
17512 2008-03-05  Richard Guenther  <rguenther@suse.de>
17513
17514         PR tree-optimization/35472
17515         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
17516         whose single use_stmt has a overlapping set of loaded and
17517         stored symbols as that use_stmt might be a noop assignment then.
17518
17519 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
17520
17521         * gthr-rtems.h: Implement __gthread_mutex_destroy.
17522
17523 2008-03-05  Richard Guenther  <rguenther@suse.de>
17524
17525         PR c++/35336
17526         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
17527         should be constants.
17528         * tree-cfg.c (verify_expr): Verify it.
17529         * fold-const.c (fold_truthop): Remove code generating
17530         BIT_FIELD_REFs of structure bases.
17531         (fold_binary): Likewise.
17532         (fold_ternary): Position and size of BIT_FIELD_REFs are
17533         always host integers.
17534         (make_bit_field_ref): Remove.
17535         (optimize_bit_field_compare): Remove.
17536         (all_ones_mask_p): Remove.
17537
17538 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
17539
17540         PR gcc/33009
17541         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
17542         (split_block_and_df_analyze): New. Split basic block and rebuild
17543         dataflow.
17544         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
17545         SPLIT_BLOCK.
17546         (split_pattern_seq): Likewise.
17547         (erase_matching_seqs): Likewise.
17548         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
17549
17550 2008-03-04  Geoff Keating  <geoffk@apple.com>
17551
17552         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
17553         declaration and code.
17554         (tree_invalid_nonnegative_warnv_p): Likewise.
17555
17556 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
17557
17558         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
17559         examples.  Truncate option-names then causing overfull hbox.
17560
17561 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17562
17563         PR target/35222
17564         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
17565         on hpux10.
17566         * configure: Rebuilt.
17567
17568 2008-03-04  Rafael Espindola  <espindola@google.com>
17569
17570         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
17571         (tree_unary_nonnegative_warnv_p): New.
17572         (tree_binary_nonnegative_warnv_p): New.
17573         (tree_single_nonnegative_warnv_p): New.
17574         (tree_invalid_nonnegative_warnv_p): New.
17575         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
17576
17577 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17578
17579         PR 28322
17580         * opts.c (handle_option): Postpone 'unknown option' errors only for
17581         warning options.
17582
17583 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
17584
17585         PR target/35453
17586         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
17587         (_SIDD_XXX): This.
17588
17589 2008-03-04  Rafael Espindola  <espindola@google.com>
17590
17591         * fold-const.c (tree_unary_nonzero_warnv_p): New.
17592         (tree_binary_nonzero_warnv_p): New.
17593         (tree_single_nonzero_warnv_p): New.
17594         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
17595
17596 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
17597
17598         PR middle-end/35456
17599         * fold-const.c (fold_cond_expr_with_comparison): Prevent
17600         transformations for modes that have signed zeros.
17601         * ifcvt.c (noce_try_abs): Ditto.
17602
17603 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
17604
17605         * config/i386/i386.c (override_options): Force
17606         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
17607
17608 2008-03-04  Jan Hubicka  <jh@suse.cz>
17609
17610         PR c++/35262
17611         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
17612         in last commit.
17613
17614 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17615
17616         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
17617         label to probe the stack.
17618
17619 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17620
17621         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
17622         (__gthr_win32_mutex_destroy): Declare.
17623         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
17624         __gthr_win32_mutex_destroy.
17625         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
17626
17627 2008-03-03  Jan Hubicka  <jh@suse.cz>
17628
17629         PR c++/35262
17630         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
17631         aggressive on inlining cold calls.
17632
17633 2008-03-03  Richard Guenther  <rguenther@suse.de>
17634
17635         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
17636         struct copies into the expression table.
17637         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
17638         (try_to_simplify): Likewise.
17639         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
17640         integral and pointer arguments which do not change the
17641         precision to NOP_EXPRs.
17642         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
17643         VIEW_CONVERT_EXPR case.
17644
17645 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
17646
17647         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
17648         defined in a loop at depth 0 is invariant.
17649         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
17650         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
17651         be called at loop depth 0.
17652
17653 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
17654
17655         PR driver/35420
17656         * gcc.c (process_command): Update copyright notice dates.
17657         * gcov.c (print_version): Likewise.
17658         * gcov-dump.c (print_version): Likewise.
17659         * mips-tfile.c (main): Likewise.
17660         * mips-tdump.c (main): Likewise.
17661
17662 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17663
17664         PR 24924
17665         * c-common.c (flag_permissive): Delete.
17666         (constant_expression_warnings): Check flags first.
17667         (constant_expression_error): New.
17668         * c-common.h (flag_permissive): Delete.
17669         (constant_expression_error): Declare.
17670         * flags.h (flag_permissive): Declare. Update description.
17671         * diagnostic.c (pedwarn): Update.
17672         (permerror): New.
17673         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
17674         (permissive_error_kind): New.
17675         * toplev.c (flag_permissive): Define. Update description.
17676         * toplev.h (permissive_error_kind): Declare.
17677         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
17678         (pedwarn_c90): Use pedantic_warning_kind.
17679         * c-opts.c (c_common_post_options): flag_permissive does not affect
17680         flag_pedantic_errors.
17681
17682 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
17683
17684         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
17685         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
17686         __absvsi2, __absvDI2): Use unsigned arithmetic.
17687
17688 2008-03-02  Andi Kleen  <ak@suse.de>
17689             Richard Guenther  <rguenther@suse.de>
17690
17691         * struct-equiv.c: Remove file.
17692         * cfg_cleanup.c (condjump_equiv_p): Remove.
17693         * Makefile.in (OBJS-common): Remove struct-equiv.o.
17694         (struct-equiv.o): Remove rule.
17695         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
17696         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
17697         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
17698
17699 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17700
17701         * ifcvt.c (noce_process_if_block): Try to handle only the then
17702         block if the else block exists but isn't suitable.
17703
17704 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17705
17706         PR gcc/35063
17707         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
17708         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
17709         regression from previous patch.
17710
17711 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17712
17713         PR gcc/35063
17714         * gthr.h: Add __gthread_mutex_destroy as a function that must be
17715         implemented.
17716         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
17717         * gthr-single.h (__gthread_mutex_destroy): Likewise.
17718         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
17719         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
17720         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
17721         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
17722         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
17723         (__gthread_mutex_destroy_function): Rename to
17724         __gthread_mutex_destroy.
17725         * gthr-dce.h (__gthread_mutex_destroy): Call
17726         pthread_mutex_destroy.
17727         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
17728         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
17729         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
17730
17731 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17732
17733         * df-scan.c (df_ref_chain_change_bb): Simplify.
17734         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
17735         set_block_for_insn if there's any change.
17736         * df.h ((df_insn_change_bb): Fix prototype.
17737         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
17738         df_insn_change_bb, don't call set_block_for_insn.
17739         * emit-rtl.c (reorder_insns): Likewise.
17740         * haifa-sched.c (move_insn): Likewise.
17741
17742 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17743
17744         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
17745
17746 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17747
17748         * tree-flow-inline.h (next_readonly_imm_use): Return
17749         NULL_USE_OPERAND_P after the end.
17750
17751 2008-03-01  Richard Guenther  <rguenther@suse.de>
17752
17753         PR tree-optimization/35411
17754         * tree-sra.c (sra_build_assignment): Split conversion to
17755         final type to a separate statement if we are not assigning
17756         to a register.
17757
17758 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
17759
17760         * fold-const.c (fold_convertible_p): Correct the logic to follow
17761         that in fold_convert().
17762
17763 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
17764
17765         PR c++/35315
17766         * tree-inline.c (build_duplicate_type): When we make a
17767         duplicate type, make it unique in the canonical types system.
17768
17769 2008-02-29  Tom Tromey  <tromey@redhat.com>
17770
17771         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
17772         input_file_stack_history, input_file_stack_restored): Remove.
17773         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17774         * input.h (struct file_stack): Remove.
17775         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17776         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
17777         Likewise.
17778         * diagnostic.h (struct diagnostic_context) <last_module>: Change
17779         type.
17780         (diagnostic_last_module_changed): Add 'map' argument.
17781         (diagnostic_set_last_function): Likewise.
17782         * diagnostic.c (undiagnostic_report_current_module): Iterate using
17783         line map, not input_file_stack.
17784         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
17785
17786 2008-02-29  Paul Brook  <paul@codesourcery.com>
17787
17788         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
17789
17790 2008-02-29  Paul Brook  <paul@codesourcery.com>
17791
17792         * config/arm/ieee754-df.S (muldf3): Use RET macros.
17793
17794 2008-02-29  Richard Guenther  <rguenther@suse.de>
17795
17796         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
17797         vn_lookup_or_add.
17798         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
17799         value for comparing for a store match.
17800         (simplify_unary_expression): Do nothing for SSA_NAMEs.
17801         (try_to_simplify): Do not do a full-blown reference lookup.
17802
17803 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17804
17805         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
17806         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17807
17808         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
17809
17810 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
17811
17812         * tree-loop-linear.c (try_interchange_loops): Compare memory access
17813         strides against cache sizes.
17814
17815 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17816
17817         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
17818         constant to fpul.
17819
17820 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
17821
17822         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
17823         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
17824         is smaller than the original promoted value.
17825         (simplify_subreg): If OP is a SUBREG, try to preserve its
17826         SUBREG_PROMOTED_VAR_P information.
17827
17828 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
17829
17830         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
17831         (VN_INFO_GET): Allocate new objects on the obstack.
17832         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
17833         for rpo_numbers_temp, for consistency.
17834         (free_scc_vn): Free the obstack.
17835
17836 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
17837
17838         * doc/invoke.texi: Document -ftree-loop-distribution.
17839         * tree-loop-distribution.c: New.
17840         * tree-pass.h (pass_loop_distribution): New.
17841         * graphds.h (struct graph): Add htab_t indices.
17842         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
17843         * tree-vectorizer.c (rename_variables_in_loop): Extern.
17844         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
17845         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
17846         * tree-data-ref.c (debug_data_dependence_relations): New.
17847         (dump_data_dependence_relation): Also print data references.
17848         (free_data_ref): Extern.
17849         (same_access_functions): Moved...
17850         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
17851         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17852         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
17853         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
17854         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
17855         (stmts_from_loop): Skip LABEL_EXPR.
17856         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
17857         New.
17858         (build_rdg): Initialize rdg->indices htab.
17859         (free_rdg, stores_from_loop, ref_base_address,
17860         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
17861         have_similar_memory_accesses_1, ref_base_address_1,
17862         remove_similar_memory_refs): New.
17863         * tree-data-ref.h: Depend on tree-chrec.h.
17864         (debug_data_dependence_relations, free_data_ref): Declared.
17865         (same_access_functions): ... here.
17866         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
17867         New.
17868         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
17869         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
17870         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
17871         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17872         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
17873         rdg_vertex_for_stmt): Declared.
17874         (struct rdg_edge): Add level.
17875         (RDGE_LEVEL): New.
17876         (free_rdg, stores_from_loop, remove_similar_memory_refs,
17877         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
17878         Declared.
17879         (rdg_has_similar_memory_accesses): New.
17880         * tree-vect-analyze.c: Remove unused static decls.
17881         * lambda.h (dependence_level): New.
17882         * common.opt (ftree-loop-distribution): New.
17883         * tree-flow.h (mark_virtual_ops_in_bb,
17884         slpeel_tree_duplicate_loop_to_edge_cfg,
17885         rename_variables_in_loop): Declared.
17886         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
17887         (OBJS-common): Add tree-loop-distribution.o.
17888         (tree-loop-distribution.o): New rule.
17889         * tree-cfg.c (mark_virtual_ops_in_bb): New.
17890         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
17891         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
17892
17893 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
17894
17895         PR target/33963
17896         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
17897         other than structures and unions.
17898
17899 2008-02-28  Richard Guenther  <rguenther@suse.de>
17900
17901         Revert:
17902         2008-02-26  Richard Guenther  <rguenther@suse.de>
17903
17904         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17905         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17906         (lookup_decl_from_uid): Declare.
17907         (remove_decl_from_map): Likewise.
17908         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17909         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17910         (decl_for_uid_map): New global hashtable mapping DECL_UID
17911         to the decl tree.
17912         (init_ttree): Allocate it.
17913         (insert_decl_to_uid_decl_map): New helper function.
17914         (make_node_stat): Insert new decls into the map.
17915         (copy_node_stat): Likewise.
17916         (lookup_decl_from_uid): New function.
17917         (remove_decl_from_map): Likewise.
17918         (print_decl_for_uid_map_statistics): New helper.
17919         (dump_tree_statistics): Call it.
17920
17921         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17922         (referenced_var_iterator): Adjust.
17923         (FOR_EACH_REFERENCED_VAR): Adjust.
17924         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17925         (num_referenced_vars): Adjust.
17926         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17927         (first_referenced_var): Remove.
17928         (end_referenced_vars_p): Likewise.
17929         (next_referenced_var): Likewise.
17930         (referenced_var_iterator_set): New helper function.
17931         * tree-dfa.c (referenced_var_lookup): Adjust.
17932         (referenced_var_check_and_insert): Likewise.
17933         (remove_referenced_var): Likewise.
17934         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17935         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17936         (verify_call_clobbering): Likewise.
17937         (verify_memory_partitions): Likewise.
17938         (init_tree_ssa): Allocate bitmap instead of hashtable for
17939         referenced_vars.
17940         (delete_tree_ssa): Adjust.
17941         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17942         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17943         (compute_tag_properties): Likewise.
17944         (set_initial_properties): Likewise.
17945         (find_partition_for): Likewise.
17946         (update_reference_counts): Likewise.
17947         (dump_may_aliases_for): Likewise.
17948         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17949         (add_call_clobber_ops): Likewise.
17950         (add_call_read_ops): Likewise.
17951         (get_asm_expr_operands): Likewise.
17952         * tree-into-ssa.c (dump_decl_set): Likewise.
17953         (update_ssa): Likewise.
17954         * tree-sra.c (scan_function): Likewise.
17955         (decide_instantiations): Likewise.
17956         (scalarize_parms): Likewise.
17957         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17958         (dsa_named_for): Likewise.
17959         * tree-ssa-structalias.c (update_alias_info): Likewise.
17960         (merge_smts_into): Likewise.
17961
17962 2008-02-27  David Daney  <ddaney@avtrex.com>
17963
17964         PR target/34409
17965         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
17966         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
17967         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
17968         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
17969         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
17970
17971 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
17972
17973         PR target/25477
17974         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
17975         (BUILT_IN_NEXTTOWARD): Remove.
17976         (BUILT_IN_NEXTTOWARDF): Ditto.
17977         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
17978         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
17979
17980 2008-02-27  Tom Tromey  <tromey@redhat.com>
17981
17982         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
17983         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
17984
17985 2008-02-27  Jan Beulich  <jbeulich@novell.com>
17986
17987         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
17988         update the respective field on newdecl.
17989
17990 2008-02-27  Revital Eres  <eres@il.ibm.com>
17991
17992         PR rtl-optimization/34999
17993         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
17994         crossing edges that ends with a call insn.
17995         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
17996         call insn and clear the EDGE_CROSSING flag of the crossing edge
17997         when fixing fallthru edges.
17998
17999 2008-02-27  Richard Guenther  <rguenther@suse.de>
18000
18001         PR middle-end/35390
18002         * fold-const.c (fold_unary): Return the correct argument,
18003         converted to the result type.
18004
18005 2008-02-27  Richard Guenther  <rguenther@suse.de>
18006
18007         PR middle-end/34971
18008         * expr.c (expand_expr_real_1): Assert on rotates that operate
18009         on partial modes.
18010         * fold-const.c (fold_binary): Use the types precision, not the
18011         bitsize of the mode if folding rotate expressions.  Build rotates
18012         only for full modes.
18013
18014 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
18015
18016         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
18017         and CPP_PRAGMA_EOL.
18018         * c-pragma.c (pragma_ns_name): New typedef.
18019         (registered_pp_pragmas): New variable.
18020         (c_pp_lookup_pragma): New function.
18021         (c_register_pragma_1): If flag_preprocess_only, do nothing
18022         for non-expanded pragmas, for expanded ones push pragma's
18023         namespace and name into registered_pp_pragmas vector.
18024         (c_invoke_pragma_handler): Register OpenMP pragmas even when
18025         flag_preprocess_only, don't register GCC pch_preprocess
18026         pragma if flag_preprocess_only.
18027         * c-opts.c (c_common_init): Call init_pragma even if
18028         flag_preprocess_only.
18029         * c-pragma.c (c_pp_lookup_pragma): New prototype.
18030         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
18031         cpp_register_pragma if flag_preprocess_only.
18032
18033 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18034
18035         PR c/28800
18036         * c-parser.c (c_parser_translation_unit): Warn for empty
18037         translation unit, not empty source file.
18038
18039 2008-02-26  Paul Brook  <paul@codesourcery.com>
18040
18041         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
18042         operand for Thumb-2.
18043         * config/arm/arm.h (reg_class): Add CORE_REGS.
18044         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
18045         (BASE_REG_CLASS): Use CORE_REGS.
18046         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
18047         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
18048         (REGNO_OK_FOR_INDEX_P): Exclude SP.
18049         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
18050         ARM_REGNO_OK_FOR_INDEX_P.
18051         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
18052         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
18053         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
18054         (ldm/stm peepholes): Ditto.
18055         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
18056         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
18057         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
18058         * config/arm/constraints.md: Enable "k" constraint on ARM.
18059
18060 2008-02-27  Ben Elliston  <bje@au.ibm.com>
18061
18062         * config/rs6000/rs6000.c: Annotate cache line size field in all
18063         instances of struct processor_costs.
18064
18065 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
18066
18067         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
18068         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
18069         jump_bypass): New counters.
18070         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
18071         * dce.c (gate_ud_dce): Same.
18072         (gate_fast_dce): Same.
18073         * dse.c (gate_dse1): New function.
18074         (gate_dse2): New function.
18075         (gate_dse): Merge results of new gate functions.
18076         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
18077         (gate_handle_jump_bypass): Add dbg_cnt.
18078         (gate_handle_gcse): Add dbg_cnt.
18079         * ifcvt.c (gate_handle_if_conversion): Same.
18080         (gate_handle_if_after_combine): Same.
18081         (gate_handle_if_after_reload): Same.
18082         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
18083
18084 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
18085
18086         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
18087         line sizes.
18088         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
18089
18090 2008-02-26  Jason Merrill  <jason@redhat.com>
18091
18092         PR c++/35315
18093         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
18094         alone if it's the naming decl for the type's main variant.
18095
18096 2008-02-26  Tom Tromey  <tromey@redhat.com>
18097
18098         * system.h (USE_MAPPED_LOCATION): Poison.
18099         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
18100         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
18101         (make_goto_expr_edges): Likewise.
18102         (remove_bb): Likewise.
18103         (execute_warn_function_return): Likewise.
18104         * basic-block.h (struct edge_def) <goto_locus>: Change type to
18105         location_t.
18106         * c-common.c (fname_decl): Remove old location code.
18107         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
18108         location code.
18109         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
18110         variant.
18111         (ASM_INPUT_SOURCE_LOCATION): Likewise.
18112         (gen_rtx_ASM_INPUT): Likewise.
18113         (gen_rtx_ASM_INPUT_loc): Likewise.
18114         (get_rtx_asm_OPERANDS): Remove.
18115         * cfglayout.c (insn_locators_alloc): Remove old location code.
18116         (set_curr_insn_source_location): Likewise.
18117         (curr_insn_locator): Likewise.
18118         * print-tree.c (print_node): Remove old location code.
18119         * tree-mudflap.c (mf_varname_tree): Remove old location code.
18120         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
18121         * cfgexpand.c (expand_gimple_cond_expr): Don't use
18122         location_from_locus.
18123         (construct_exit_block): Remove old location code.
18124         * emit-rtl.c (force_next_line_note): Remove old location code.
18125         * profile.c (branch_prob): Remove old location code.
18126         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
18127         LOC_LINE): Remove old-location variants.
18128         * langhooks.c (lhd_print_error_function): Remove old location
18129         code.
18130         * configure, config.in: Rebuilt.
18131         * configure.ac (--enable-mapped-location): Remove.
18132         * c-decl.c (c_init_decl_processing): Remove old location code.
18133         (finish_function): Likewise.
18134         * recog.c (decode_asm_operands): Remove old location code.
18135         * c-pch.c (c_common_read_pch): Remove old location code.
18136         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
18137         variants.
18138         * gimple-low.c (lower_function_body): Remove old location code.
18139         * toplev.c (unknown_location): Remove.
18140         (push_srcloc): Remove old-location variant.
18141         (process_options): Remove old location code.
18142         (lang_dependent_init): Likewise.
18143         * input.h (UNKNOWN_LOCATION): Move definition.
18144         (location_t): Undeprecate.
18145         (source_locus): Remove.
18146         (location_from_locus): Remove.
18147         (struct location_s): Remove.
18148         Remove all old-location code.
18149         (input_line, input_filename): Remove.
18150         * final.c (final_scan_insn): Remove old location code.
18151         * diagnostic.c (diagnostic_build_prefix): Remove
18152         USE_MAPPED_LOCATION test.
18153         * tree.h (gimple_stmt) <locus>: Now a location_t.
18154         (tree_exp) <locus>: Likewise.
18155         (DECL_IS_BUILTIN): Remove old-location variant.
18156         (annotate_with_file_line, annotate_with_locus): Likewise.
18157         (expr_locus, set_expr_locus): Update.
18158         * tree.c (build1_stat): Remove old location code.
18159         (last_annotated_node): Remove.
18160         (annotate_with_file_line): Remove old-location variant.
18161         (annotate_with_locus): Likewise.
18162         (expr_location): Remove old location code.
18163         (set_expr_location): Likewise.
18164         (expr_has_location): Likewise.
18165         (expr_locus): Likewise.
18166         (set_expr_locus): Likewise.
18167         (expr_filename): Don't use location_from_locus.
18168         (expr_lineno): Likewise.
18169         * rtl-error.c (location_for_asm): Remove old location code.
18170         * c-lex.c (cb_line_change): Remove old location code.
18171         (fe_file_change): Likewise.
18172         (cb_def_pragma): Likewise.
18173         (c_lex_with_flags): Likewise.
18174         * gengtype.c (do_typedef): Don't special-case location types.
18175         (define_location_structures): Remove.
18176         (main): Don't call define_location_structures.
18177         * tree-pretty-print.c (dump_implicit_edges): Remove old location
18178         code.
18179
18180 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18181
18182         PR 26264
18183         * builtins.def (BUILT_IN_STDARG_START): Remove.
18184         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
18185         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
18186         * tree-inline.c (inline_forbidden_p_1): Likewise.
18187
18188 2008-02-26  Richard Guenther  <rguenther@suse.de>
18189
18190         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18191         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18192         (lookup_decl_from_uid): Declare.
18193         (remove_decl_from_map): Likewise.
18194         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18195         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18196         (decl_for_uid_map): New global hashtable mapping DECL_UID
18197         to the decl tree.
18198         (init_ttree): Allocate it.
18199         (insert_decl_to_uid_decl_map): New helper function.
18200         (make_node_stat): Insert new decls into the map.
18201         (copy_node_stat): Likewise.
18202         (lookup_decl_from_uid): New function.
18203         (remove_decl_from_map): Likewise.
18204         (print_decl_for_uid_map_statistics): New helper.
18205         (dump_tree_statistics): Call it.
18206
18207         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18208         (referenced_var_iterator): Adjust.
18209         (FOR_EACH_REFERENCED_VAR): Adjust.
18210         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18211         (num_referenced_vars): Adjust.
18212         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18213         (first_referenced_var): Remove.
18214         (end_referenced_vars_p): Likewise.
18215         (next_referenced_var): Likewise.
18216         (referenced_var_iterator_set): New helper function.
18217         * tree-dfa.c (referenced_var_lookup): Adjust.
18218         (referenced_var_check_and_insert): Likewise.
18219         (remove_referenced_var): Likewise.
18220         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18221         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18222         (verify_call_clobbering): Likewise.
18223         (verify_memory_partitions): Likewise.
18224         (init_tree_ssa): Allocate bitmap instead of hashtable for
18225         referenced_vars.
18226         (delete_tree_ssa): Adjust.
18227         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18228         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18229         (compute_tag_properties): Likewise.
18230         (set_initial_properties): Likewise.
18231         (find_partition_for): Likewise.
18232         (update_reference_counts): Likewise.
18233         (dump_may_aliases_for): Likewise.
18234         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18235         (add_call_clobber_ops): Likewise.
18236         (add_call_read_ops): Likewise.
18237         (get_asm_expr_operands): Likewise.
18238         * tree-into-ssa.c (dump_decl_set): Likewise.
18239         (update_ssa): Likewise.
18240         * tree-sra.c (scan_function): Likewise.
18241         (decide_instantiations): Likewise.
18242         (scalarize_parms): Likewise.
18243         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18244         (dsa_named_for): Likewise.
18245         * tree-ssa-structalias.c (update_alias_info): Likewise.
18246         (merge_smts_into): Likewise.
18247
18248 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18249
18250         PR 34351
18251         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
18252         * c-opts.c (c_common_handle_option): Wall enables
18253         Wvolatile-register-var.
18254         * common.opt: Move Wvolatile-register-var to...
18255         * c.opt: ...here.
18256
18257 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18258
18259         * common.opt (Wlarger-than=): New.
18260         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
18261         -Wlarger-than=.
18262         * opts.c (common_handle_option): Handle -Wlarger-than=.
18263         * optc-gen.awk: Likewise.
18264         * opth-gen.awk: Likewise.
18265         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
18266         * tree-optimize.c (tree_rest_of_compilation): Likewise.
18267
18268 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18269
18270         * c-common.c (match_case_to_enum_1): Add appropriate
18271         OPT_W* parameter to warning.
18272         (c_do_switch_warnings): Likewise.
18273         * c-typeck.c (warning_init): Add one more parameter following
18274         'warning' function.
18275         (push_init_level): Update call to warning_init.
18276         (pop_init_level): Likewise.
18277         (add_pending_init): Likewise.
18278         (output_init_element: Likewise.
18279
18280 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18281
18282         PR 28322
18283         * toplev.c (toplev_main): If there are warnings or error, print
18284         errors for ignored options.
18285         * opts.c (ignored_options): New static variable.
18286         (postpone_unknown_option_error): New.
18287         (print_ignored_options): New.
18288         (handle_option): Postpone errors for unknown -Wno-* options.
18289         * opts.h (print_ignored_options): Declare.
18290
18291 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
18292
18293         * config/mips/mips.md (loadgp_blockage, blockage): Change type
18294         to "ghost".
18295
18296 2008-02-25  Richard Guenther  <rguenther@suse.de>
18297
18298         Revert:
18299         2008-02-25  Richard Guenther  <rguenther@suse.de>
18300
18301         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18302         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18303         (lookup_decl_from_uid): Declare.
18304         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18305         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18306         (decl_for_uid_map): New global hashtable mapping DECL_UID
18307         to the decl tree.
18308         (init_ttree): Allocate it.
18309         (insert_decl_to_uid_decl_map): New helper function.
18310         (make_node_stat): Insert new decls into the map.
18311         (copy_node_stat): Likewise.
18312         (lookup_decl_from_uid): New function.
18313         (print_decl_for_uid_map_statistics): New helper.
18314         (dump_tree_statistics): Call it.
18315
18316         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18317         (referenced_var_iterator): Adjust.
18318         (FOR_EACH_REFERENCED_VAR): Adjust.
18319         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18320         (num_referenced_vars): Adjust.
18321         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18322         (first_referenced_var): Remove.
18323         (end_referenced_vars_p): Likewise.
18324         (next_referenced_var): Likewise.
18325         (referenced_var_iterator_set): New helper function.
18326         * tree-dfa.c (referenced_var_lookup): Adjust.
18327         (referenced_var_check_and_insert): Likewise.
18328         (remove_referenced_var): Likewise.
18329         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18330         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18331         (verify_call_clobbering): Likewise.
18332         (verify_memory_partitions): Likewise.
18333         (init_tree_ssa): Allocate bitmap instead of hashtable for
18334         referenced_vars.
18335         (delete_tree_ssa): Adjust.
18336         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18337         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18338         (compute_tag_properties): Likewise.
18339         (set_initial_properties): Likewise.
18340         (find_partition_for): Likewise.
18341         (update_reference_counts): Likewise.
18342         (dump_may_aliases_for): Likewise.
18343         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18344         (add_call_clobber_ops): Likewise.
18345         (add_call_read_ops): Likewise.
18346         (get_asm_expr_operands): Likewise.
18347         * tree-into-ssa.c (dump_decl_set): Likewise.
18348         (update_ssa): Likewise.
18349         * tree-sra.c (scan_function): Likewise.
18350         (decide_instantiations): Likewise.
18351         (scalarize_parms): Likewise.
18352         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18353         (dsa_named_for): Likewise.
18354         * tree-ssa-structalias.c (update_alias_info): Likewise.
18355         (merge_smts_into): Likewise.
18356
18357 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
18358
18359         PR fortran/29549
18360         * doc/invoke.texi (-fcx-limited-range): Document new option.
18361         * toplev.c (process_options): Handle -fcx-fortran-rules.
18362         * common.opt: Add documentation for -fcx-fortran-rules.
18363
18364 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
18365
18366         PR c/35162
18367         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
18368         actual behaviour and C99.
18369
18370 2008-02-26  Ben Elliston  <bje@au.ibm.com>
18371
18372         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
18373         (ASM_CPU_POWER6_SPEC): Likewise.
18374         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
18375         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
18376         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
18377
18378 2008-02-25  Richard Guenther  <rguenther@suse.de>
18379
18380         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18381         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18382         (lookup_decl_from_uid): Declare.
18383         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18384         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18385         (decl_for_uid_map): New global hashtable mapping DECL_UID
18386         to the decl tree.
18387         (init_ttree): Allocate it.
18388         (insert_decl_to_uid_decl_map): New helper function.
18389         (make_node_stat): Insert new decls into the map.
18390         (copy_node_stat): Likewise.
18391         (lookup_decl_from_uid): New function.
18392         (print_decl_for_uid_map_statistics): New helper.
18393         (dump_tree_statistics): Call it.
18394
18395         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18396         (referenced_var_iterator): Adjust.
18397         (FOR_EACH_REFERENCED_VAR): Adjust.
18398         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18399         (num_referenced_vars): Adjust.
18400         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18401         (first_referenced_var): Remove.
18402         (end_referenced_vars_p): Likewise.
18403         (next_referenced_var): Likewise.
18404         (referenced_var_iterator_set): New helper function.
18405         * tree-dfa.c (referenced_var_lookup): Adjust.
18406         (referenced_var_check_and_insert): Likewise.
18407         (remove_referenced_var): Likewise.
18408         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18409         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18410         (verify_call_clobbering): Likewise.
18411         (verify_memory_partitions): Likewise.
18412         (init_tree_ssa): Allocate bitmap instead of hashtable for
18413         referenced_vars.
18414         (delete_tree_ssa): Adjust.
18415         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18416         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18417         (compute_tag_properties): Likewise.
18418         (set_initial_properties): Likewise.
18419         (find_partition_for): Likewise.
18420         (update_reference_counts): Likewise.
18421         (dump_may_aliases_for): Likewise.
18422         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18423         (add_call_clobber_ops): Likewise.
18424         (add_call_read_ops): Likewise.
18425         (get_asm_expr_operands): Likewise.
18426         * tree-into-ssa.c (dump_decl_set): Likewise.
18427         (update_ssa): Likewise.
18428         * tree-sra.c (scan_function): Likewise.
18429         (decide_instantiations): Likewise.
18430         (scalarize_parms): Likewise.
18431         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18432         (dsa_named_for): Likewise.
18433         * tree-ssa-structalias.c (update_alias_info): Likewise.
18434         (merge_smts_into): Likewise.
18435
18436 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
18437
18438         PR target/35258
18439         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
18440         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
18441         * alias.h (nonoverlapping_memrefs_p): Likewise.
18442
18443 2008-02-25  Jan Beulich  <jbeulich@novell.com>
18444
18445         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
18446         * config/i386/netware-libgcc.exp: Add __bswap?i2,
18447         __emultls_get_address, __emultls_register_common,
18448         __floatundi?f, and _Unwind_GetIPInfo.
18449         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
18450         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
18451         (gen_regparm_prefix): Likewise.
18452         (i386_nlm_encode_section_info): Sync with
18453         config/i386/winnt.c:i386_pe_encode_section_info().
18454         (i386_nlm_maybe_mangle_decl_assembler_name): New.
18455         i386_nlm_mangle_decl_assembler_name): New.
18456         (netware_override_options): New.
18457         * config/i386/netware.h (netware_override_options): Declare.
18458         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
18459         (i386_nlm_mangle_decl_assembler_name): Declare.
18460         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
18461
18462 2008-02-25  Ben Elliston  <bje@au.ibm.com>
18463
18464         PR other/32948
18465         * c-decl.c (grokdeclarator): Remove unused local variables
18466         `typedef_type' and `type_as_written'.
18467         * bb-reorder.c
18468         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
18469         unused local variable `has_hot_blocks'.
18470         (fix_crossing_conditional_branches): Remove unused local variable
18471         `prev_bb'.
18472
18473 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
18474
18475         PR middle-end/19984
18476         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
18477         using DEF_C99_BUILTIN.
18478         (BUILT_IN_NANF): Ditto.
18479         (BUILT_IN_NANL): Ditto.
18480
18481 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
18482             Revital Eres  <eres@il.ibm.com>
18483
18484         * modulo-sched.c (calculate_must_precede_follow): Address TODO
18485         regarding the order of two dependent insns in the same row.
18486
18487 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
18488
18489         * stor-layout.c (layout_decl): Do not bump the alignment of a
18490         bit-field to more than byte alignment if it is packed.
18491
18492 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
18493
18494         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
18495         e300c2 and e300c3.
18496
18497 2008-02-24  Diego Novillo  <dnovillo@google.com>
18498
18499         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
18500
18501         PR 33738
18502         * tree-vrp.c (vrp_evaluate_conditional): With
18503         -Wtype-limits, emit a warning when comparing against a
18504         constant outside the natural range of OP0's type.
18505         * c.opt (Wtype-limits): Move ...
18506         * common.opt (Wtype-limits): ... here.
18507
18508 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
18509
18510         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
18511         * config/rs6000/e300c2c3.md: New file.
18512         * config/rs6000/rs6000.c (processor_costs): Add new costs for
18513         e300c2 and e300c3.
18514         (rs6000_override_options): Add e300c2 and e300c3 cases to
18515         processor_target_table. Do not allow usage of Altivec or Spe
18516         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
18517         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
18518         * config/rs6000/rs6000.h (processor_type): Add
18519         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
18520         (ASM_CPU_SPEC): Add e300c2 and e300c3.
18521         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
18522         and ppce300c3. Include e300c2c3.md.
18523
18524 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
18525
18526         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
18527         instead of TARGET_STRICT_ALIGN.
18528
18529 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
18530
18531         * explow.c (memory_address): Assert that the generated address is
18532         valid.
18533
18534 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
18535
18536         PR target/25477
18537         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
18538         * config/darwin-ppc-ldouble-patch.def: New file.
18539         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
18540         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
18541         SUBTARGET_INIT_BUILTINS if defined.
18542         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
18543         New functions.
18544
18545 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18546
18547         PR rtl-opt/33512
18548         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
18549         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
18550
18551 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18552
18553         PR pch/35027
18554         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
18555         file" warning condtional on -Winvalid-PCH.
18556
18557 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
18558
18559         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
18560
18561 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
18562
18563         PR target/22076
18564         PR target/34256
18565         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
18566         prevent reload from using MMX registers.
18567         (*mov<mode>_internal): Ditto.
18568         (*movv2sf_internal_rex64): Ditto.
18569         (*movv2sf_internal): Ditto.
18570
18571 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18572
18573         PR documentation/31569
18574         * doc/install.texi2html: Use makeinfo --no-number-sections.
18575
18576 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18577
18578         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
18579         ensure that we can address an entire entity > 8 bytes.  Don't
18580         generate reg+reg addressing for such data.
18581
18582 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18583
18584         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
18585         strings when optimizing for size, unless the target cares about
18586         alignment.
18587
18588 2008-02-22  Tom Tromey  <tromey@redhat.com>
18589
18590         * regclass.c (current_pass): Remove declaration.
18591
18592 2008-02-22  Anatoly Sokolov <aesok@post.ru>
18593
18594         * config/avr/libgcc.S (__RAMPZ__): Define.
18595         (__do_copy_data): Add for devices with 128KB code memory.
18596
18597 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18598
18599         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
18600         Use spe_abi.
18601         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
18602
18603 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
18604
18605         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
18606         GENNONACR_REGS.
18607
18608 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18609
18610         PR c/19999
18611         * c-typeck.c (build_binary_op): Warn about floating point
18612         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
18613
18614 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
18615
18616         PR target/34526
18617         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
18618         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
18619         add vrsave.
18620         (rs6000_override_options): Set altivec_abi as default, not override,
18621         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
18622         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
18623         is used; use new member spe_abi.
18624         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
18625         spe_abi and altivec_abi.
18626
18627 2008-02-22  Tomas Bily  <tbily@suse.cz>
18628
18629         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
18630
18631 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18632
18633         PR bootstrap/35273
18634         * config.build (build_file_translate): Set to `CMD //c' only if
18635         it works.
18636         * Makefile.in (build_file_translate): Improve comment.
18637
18638 2008-02-21  Jan Hubicka  <jh@suse.cz>
18639
18640         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
18641         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
18642         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
18643
18644 2008-02-21  Michael Matz  <matz@suse.de>
18645
18646         PR target/35264
18647         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
18648
18649 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
18650
18651         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
18652         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
18653         as insn constraint.
18654         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
18655         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
18656         SSE_VEC_FLOAT_MODE_P as insn constraint.
18657         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
18658         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
18659         sse4a_movntdf using MODEF mode iterator.
18660         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
18661         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
18662         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
18663         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
18664         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
18665         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
18666         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
18667
18668 2008-02-21  Richard Guenther  <rguenther@suse.de>
18669
18670         * tree.def (PAREN_EXPR): New tree code.
18671         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
18672         and PAREN_EXPR.
18673         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
18674         * expr.c (expand_expr_real_1): Likewise.
18675         * tree-inline.c (estimate_num_insns_1): Likewise.
18676         * tree-complex.c (expand_complex_move): Likewise.
18677         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
18678         as plain x.
18679
18680 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18681
18682         PR target/35225
18683         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
18684
18685 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18686
18687         PR target/35190
18688         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
18689
18690         * config/sh/sh.c (find_barrier): Don't go past
18691         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
18692
18693 2008-02-20  DJ Delorie  <dj@redhat.com>
18694
18695         * config/h8300/h8300.md (insv): Force source operand to be a register.
18696
18697         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
18698         as a jump, not as a plain insn.
18699
18700 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
18701
18702         * doc/invoke.texi (Warning Options): Add new option
18703         -Wframe-larger-than=.
18704         (-Wframe-larger-than): Document.
18705
18706         * flags.h (warn_frame_larger_than, frame_larger_than_size):
18707         Add declarations for new option variables.
18708
18709         * final.c (final_start_function): Check the frame size
18710         before emission and issue a Wframe-larger-than warning.
18711
18712         * opts.c (warn_frame_larger_than, frame_larger_than_size):
18713         Add definitions for new option variables.
18714         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
18715
18716         * common.opt (Wframe-larger-than=): New option.
18717
18718 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18719
18720         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
18721         (<sse>_div<mode>3): Ditto.
18722         (<sse>_vmdiv<mode>3): Ditto.
18723         (<sse>_vmsqrt<mode>2): Ditto.
18724         (*smax<mode>3): Ditto.
18725         (sse5_frcz<mode>2): Ditto.
18726         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
18727         as insn constraint.
18728
18729 2008-02-20  Richard Guenther  <rguenther@suse.de>
18730
18731         PR middle-end/35265
18732         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
18733         be happy with INTEGRAL_TYPE_P.
18734
18735 2008-02-20  Richard Guenther  <rguenther@suse.de>
18736
18737         * fold-const.c (split_tree): Associate floatig-point expressions
18738         if flag_associative_math is set.
18739
18740 2008-02-20  Richard Guenther  <rguenther@suse.de>
18741
18742         * tree.h (fold_real_zero_addition_p): Declare.
18743         * fold-const.c (fold_real_zero_addition_p): Export.
18744         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
18745         floating-point operations with zero and one.
18746
18747 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
18748
18749         * doc/install.texi: Correct references to CFLAGS, replacing them
18750         with BOOT_CFLAGS.  Document flags used during bootstrap for
18751         target libraries.
18752
18753 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18754
18755         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
18756         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
18757         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
18758         insn constraint.
18759         (smin<mode>3): Ditto from similar patterns.
18760         (smax<mode>3): Ditto.
18761         (*ieee_smin<mode>3): Ditto.
18762         (*ieee_smax<mode>3): Ditto.
18763         * config/i386/sse.md (sse): New mode attribute.
18764         (mov<mode>): Macroize expander from movv4sf and movv2df using
18765         SSEMODEF2P mode iterator.
18766         (<sse>_movnt<mode>): Ditto from similar patterns. Use
18767         SSE_VEC_FLOAT_MODE_P as insn constraint.
18768         (storent<mode>): Ditto.
18769         (storent<mode>): Macroize expander from storentsf and storentdf using
18770         MODEF mode iterator.
18771         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
18772         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
18773         (abs<mode>2): Ditto from similar patterns.
18774         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
18775         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
18776         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
18777         (<sse>_vmsqrt<mode>2): Ditto.
18778         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
18779         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
18780         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
18781         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
18782         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
18783         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
18784         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
18785         insn constraint.
18786         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
18787         iterator and SSE_FLOAT_MODE_P as insn constraint.
18788         (<sse>_ucomi): Ditto from similar patterns.
18789         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
18790         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
18791         SSE_VEC_FLOAT_MODE_P as insn constraint.
18792         (vcond<mode>): Ditto from similar patterns.
18793         (and<mode>3, *and<mode>3): Ditto.
18794         (<sse>_nand<mode>3): Ditto.
18795         (ior<mode>3, *ior<mode>3): Ditto.
18796         (xor<mode>3, *xor<mode>3): Ditto.
18797         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
18798         iterator and SSE_FLOAT_MODE_P as insn constraint.
18799         (*nand<mode>3): Ditto from similar patterns.
18800         (*ior<mode>3): Ditto.
18801         (*xor<mode>3): Ditto.
18802
18803 2008-02-20  Ira Rosen  <irar@il.ibm.com>
18804
18805         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
18806         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
18807         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
18808
18809 2008-02-19  Jan Hubicka  <jh@suse.cz>
18810
18811         * predict.c (tree_bb_level_predictions): Remove variable next
18812         mistakely introduced by previous commit.
18813
18814 2008-02-19  Jan Hubicka  <jh@suse.cz>
18815
18816         * predict.c (predict_paths_leading_to): Rewrite.
18817         (predict_paths_for_bb): New.
18818         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
18819
18820 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18821
18822         PR bootstrap/35218
18823         * Makefile.in (build_file_translate): New.
18824         (gcc-vers.texi): Use it for translating $(abs_srcdir).
18825         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
18826         * configure.ac (build_file_translate): Substitute it.
18827         * configure: Regenerate.
18828
18829 2008-02-19  Jan Hubicka  <jh@suse.cz>
18830
18831         PR rtl-optimization/34408
18832         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
18833         invalid sharing.
18834
18835 2008-02-19  Jan Hubicka  <jh@suse.cz>
18836
18837         PR middle-end/28779
18838         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
18839         call_expr.
18840
18841 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
18842
18843         PR Ada/35186
18844         * config/i386/i386-modes.def: Revert the last DI alignment
18845         change until Ada people can look into it.
18846
18847 2008-02-19  Nick Clifton  <nickc@redhat.com>
18848
18849         * opts.c (print_specific_help): Fix typo in --help text.
18850
18851 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
18852
18853         PR target/35239
18854         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
18855         32-bit inline asm without asm alternatives for host GCC < 3.0.
18856
18857 2008-02-19  Richard Guenther  <rguenther@suse.de>
18858
18859         PR tree-optimization/34989
18860         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
18861         Allow propagation to INDIRECT_REF if we can simplify only.
18862
18863 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18864
18865         * c-common.c (warn_for_collisions_1): Use appropriate option when
18866         warning.
18867
18868 2008-02-19  Nick Clifton  <nickc@redhat.com>
18869
18870         PR other/31349
18871         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
18872         (handle_options): Fix indentation.
18873         (print_filtered_help): If no language-specific options were
18874         displayed tell the user how to list all the options supported by
18875         the language's front-end.
18876         (print_specific_help): Fix indentation and remove duplicate line.
18877         (common_handle_option): Handle the -v option.
18878         For --help enable the display of undocumented options if the -v
18879         switch has been included on the command line.
18880         For --help= check for overlaps in the arguments between the option
18881         classes and the language names and issue a warning when they
18882         cannot be disambiguated.
18883         * c.opt (v): Pass on to the common option handler.
18884
18885 2008-02-19  Revital Eres  <eres@il.ibm.com>
18886
18887         * modulo-sched.c (sms_schedule): Change dump message when
18888         create_ddg function fails.
18889         (try_scheduling_node_in_cycle): Rename row to cycle.
18890         (print_partial_schedule): Rename CYCLE to ROW.
18891
18892 2008-02-19  Christian Bruel  <christian.bruel@st.com>
18893             Zdenek Dvorak  <ook@ucw.cz>
18894
18895         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
18896
18897 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18898
18899         PR target/33555
18900         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
18901         (*x86_movdicc_0_m1_se): Ditto.
18902
18903 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18904
18905         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
18906         (CMPtype): Define as __gcc_CMPtype.
18907         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
18908         (CMPtype): Define as __gcc_CMPtype.
18909
18910 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
18911
18912         Support valgrind 3.3 for --enable-checking=valgrind.
18913         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
18914         here.
18915         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
18916         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
18917         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
18918         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
18919         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
18920         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
18921         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
18922         respectively.
18923         * ggc-zone.c: Similar.
18924         * ggc-page.c: Similar.
18925
18926 2008-02-19  Paul Brook  <paul@codesourcery.com>
18927
18928         PR target/35071
18929         * config/arm/ieee754-df.S: Fix do_it typo.
18930         * config/arm/ieee754-sf.S: Fix do_it typo.
18931
18932 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18933
18934         PR target/35189
18935         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
18936         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
18937         (OPTION_MASK_ISA_SSE_SET): Likewise.
18938         (OPTION_MASK_ISA_SSE2_SET): Likewise.
18939         (OPTION_MASK_ISA_SSE3_SET): Likewise.
18940         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
18941         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
18942         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
18943         (OPTION_MASK_ISA_SSE4_SET): Likewise.
18944         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
18945         (OPTION_MASK_ISA_SSE5_SET): Likewise.
18946         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
18947         (OPTION_MASK_ISA_MMX_UNSET): Updated.
18948         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
18949         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
18950         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
18951         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
18952         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
18953         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
18954         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
18955         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
18956         (OPTION_MASK_ISA_SSE4): Removed.
18957         (ix86_handle_option): Turn on bits in ix86_isa_flags and
18958         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
18959         (override_options): Don't turn on implied SSE/MMX bits in
18960         ix86_isa_flags.
18961
18962 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18963
18964         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
18965         32bit host.
18966
18967 2008-02-18  Joey Ye  <joey.ye@intel.com>
18968
18969         PR middle-end/34921
18970         * tree-nested.c (insert_field_into_struct): Set type alignment
18971         to field alignment if the former is less than the latter.
18972
18973 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
18974
18975         * BASE-VER: Set to 4.4.0.
18976
18977 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18978
18979         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
18980         * doc/cfg.texi: Likewise.
18981         * doc/extend.texi: Likewise.
18982         * doc/gty.texi: Likewise.
18983         * doc/invoke.texi: Likewise.
18984         * doc/loop.texi: Likewise.
18985         * doc/md.texi: Likewise.
18986         * doc/passes.texi: Likewise.
18987         * doc/rtl.texi: Likewise.
18988         * doc/sourcebuild.texi: Likewise.
18989         * doc/tm.texi: Likewise.
18990         * doc/tree-ssa.texi: Likewise.
18991
18992 2008-02-17  Richard Guenther  <rguenther@suse.de>
18993
18994         PR middle-end/35227
18995         * tree-complex.c (init_parameter_lattice_values): Handle parameters
18996         without default definition.
18997
18998 2008-02-17  Richard Guenther  <rguenther@suse.de>
18999
19000         PR tree-optimization/35231
19001         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
19002         if A | B != 1.
19003
19004 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
19005
19006         Revert:
19007         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19008         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
19009         libgcc_cmp_return mode.
19010
19011 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19012
19013         PR c/28368
19014         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
19015
19016 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
19017
19018         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
19019         multilibs.
19020
19021 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19022
19023         * doc/c-tree.texi: Use `@.' where appropriate.
19024         * doc/extend.texi: Likewise.
19025         * doc/install.texi: Likewise.
19026         * doc/invoke.texi: Likewise.
19027         * doc/loop.texi: Likewise.
19028         * doc/makefile.texi: Likewise.
19029         * doc/md.texi: Likewise.
19030         * doc/passes.texi: Likewise.
19031         * doc/standards.texi: Likewise.
19032         * doc/tm.texi: Likewise.
19033
19034 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
19035
19036         PR middle-end/35196
19037         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
19038         in entry_bb.
19039         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
19040         rather than in entry_bb.
19041
19042 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19043
19044         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
19045         libgcc_cmp_return mode.
19046
19047 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
19048
19049         PR middle-end/35130
19050         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
19051         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
19052
19053 2008-02-15  Richard Guenther  <rguenther@suse.de>
19054             Zdenek Dvorak  <ook@ucw.cz>
19055
19056         PR tree-optimization/35164
19057         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
19058         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
19059         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
19060         Only propagate addresses which do not have abnormal SSA_NAMEs
19061         in their operands.
19062
19063 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
19064
19065         PR target/35088
19066         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
19067
19068 2008-02-15  Jan Hubicka  <jh@suse.cz>
19069
19070         PR middle-end/35149
19071         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
19072
19073 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19074
19075         PR middle-end/34621
19076         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
19077         when calculating alignment_pad.
19078
19079 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19080
19081         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
19082         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
19083         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
19084         and STACK_BOUNDARY define.
19085
19086 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
19087
19088         PR preprocessor/35061
19089         * c-pragma.c (handle_pragma_pop_macro): Check that
19090         pushed_macro_table has been allocated.
19091
19092 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
19093
19094         PR middle-end/35136
19095         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
19096         (force_gimple_operand): Likewise.
19097         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
19098         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
19099         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
19100         (find_interesting_uses_address): Check addressability and alignment
19101         of the base expression only after substituting bases of IVs into it.
19102
19103 2008-02-14  Michael Matz  <matz@suse.de>
19104
19105         PR target/34930
19106         * function.c (instantiate_virtual_regs_in_insn): Reload address
19107         before falling back to reloading the whole operand.
19108
19109 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
19110
19111         * config/s390/s390.c (s390_mainpool_start): Emit the pool
19112         before the first section switch note.
19113
19114 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
19115
19116         * doc/bugreport.texi: Update copyright years.
19117         * doc/c-tree.texi: Likewise.
19118         * doc/cfg.texi: Likewise.
19119         * doc/cpp.texi: Likewise.
19120         * doc/cppinternals.texi: Likewise.
19121         * doc/fragments.texi: Likewise.
19122         * doc/frontends.texi: Likewise.
19123         * doc/gcc.texi: Likewise.
19124         * doc/gty.texi: Likewise.
19125         * doc/hostconfig.texi: Likewise.
19126         * doc/implement-c.texi: Likewise.
19127         * doc/libgcc.texi: Likewise.
19128         * doc/loop.texi: Likewise.
19129         * doc/makefile.texi: Likewise.
19130         * doc/options.texi: Likewise.
19131         * doc/passes.texi: Likewise.
19132         * doc/rtl.texi: Likewise.
19133         * doc/sourcebuild.texi: Likewise.
19134         * doc/standards.texi: Likewise.
19135         * doc/tree-ssa.texi: Likewise.
19136         * doc/trouble.texi: Likewise.
19137
19138         * doc/extend.texi: Use @: or add comma where appropriate.
19139         * doc/invoke.texi: Likewise.
19140         * doc/tm.texi: Likewise.
19141
19142 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
19143
19144         PR target/34393
19145         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
19146         to a reg.
19147
19148 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
19149
19150         * doc/md.texi (clz, ctz): Add reference.
19151         * doc/rtl.texi (clz, ctz): Likewise.
19152
19153 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19154
19155         PR other/35148
19156         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
19157         srcdir.
19158
19159 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
19160
19161         * config/s390/s390.c (struct constant_pool): New field
19162         emit_pool_after added.
19163         (s390_mainpool_start): Set the emit_pool_after flag according
19164         to the section switch notes.
19165         (s390_mainpool_finish): Consider emit_pool_after when emitting
19166         the literal pool at the end of the function.
19167         (s390_chunkify_start): Force literal pool splits at section
19168         switch notes.
19169
19170 2008-02-13  Michael Matz  <matz@suse.de>
19171
19172         PR debug/35065
19173         * var-tracking.c (clobber_variable_part): Correctly traverse the
19174         list.
19175
19176 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19177
19178         PR 29673
19179         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
19180         Add -fdump-ipa-inline.
19181         * tree-dump.c (dump_files): Remove tree-inlined dump.
19182         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
19183
19184 2008-02-12  Richard Guenther  <rguenther@suse.de>
19185
19186         PR tree-optimization/35171
19187         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
19188         default defs.
19189
19190 2008-02-12  Richard Guenther  <rguenther@suse.de>
19191
19192         PR middle-end/35163
19193         * fold-const.c (fold_widened_comparison): Use get_unwidened in
19194         value-preserving mode.  Disallow final truncation.
19195
19196 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
19197
19198         PR middle-end/35136
19199         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
19200         code from here to...
19201         (force_gimple_operand): ...here.
19202
19203 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
19204
19205         PR c++/35144
19206         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
19207         non-compatible pointers.
19208         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
19209         different FIELD_DECLs, try harder by comparing field offsets, sizes
19210         and types.
19211
19212         PR inline-asm/35160
19213         * function.c (match_asm_constraints_1): Don't replace the same input
19214         multiple times.
19215
19216 2008-02-12  Anatoly Sokolov <aesok@post.ru>
19217
19218         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
19219         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
19220         (expand_epilogue): Restore RAMPZ register.
19221         * config/avr/avr.md (RAMPZ_ADDR): New constant.
19222
19223 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
19224
19225         * config/i386/cygwin.asm: (__alloca): Correct calling
19226         convention and alignment.
19227         (__chkstk): Force 8 byte stack alignment.
19228
19229 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
19230             Richard Guenther  <rguenther@suse.de>
19231
19232         PR tree-optimization/33992
19233         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
19234         the zero we compare against.
19235
19236 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
19237
19238         PR libfortran/35063
19239         * gthr-win32.h (__gthread_mutex_destroy_function): New function
19240         to CloseHandle after unlocking to prevent accumulation of handle
19241         count.
19242
19243 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19244
19245         PR middle_end/34150
19246         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
19247         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
19248         and update LABEL_NUSES during and after reload.
19249
19250 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
19251
19252         PR middle-end/34627
19253         * combine.c (simplify_if_then_else): Make sure the comparison is
19254         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
19255
19256 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
19257
19258         PR bootstrap/35051
19259         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
19260         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
19261         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
19262         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
19263         * tree.h (get_type_static_bounds): Likewise.
19264
19265 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19266
19267         * doc/invoke.texi (Option Summary, C++ Dialect Options)
19268         (Objective-C and Objective-C++ Dialect Options, Warning Options):
19269         Make -Wfoo language annotations match what the compiler outputs.
19270
19271 2008-02-08  Sa Liu  <saliu@de.ibm.com>
19272
19273         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
19274         intrinsics spu_convts, spu_convtu, spu_convtf.
19275
19276 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
19277
19278         * doc/extend.texi (Function Attributes) <noinline>: Mention
19279         asm ("") as method to keep calls.
19280
19281 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19282
19283         PR other/32754
19284         * doc/options.texi (Options): Replace references to opts.sh with
19285         optc-gen.awk.
19286         * opts-common.c: Likewise.
19287         * optc-gen.awk: Likewise.
19288
19289 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
19290
19291         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
19292
19293 2008-02-07  Richard Henderson  <rth@redhat.com>
19294
19295         PR rtl-opt/33410
19296         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
19297         EXPR_LIST for the REG_EQUAL instead of a comparison with a
19298         funny mode.
19299
19300 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
19301
19302         PR tree-optimization/35085
19303         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
19304         for operand entry oe2 in addition to operand entry oe3 in order to
19305         expose more opportunities for vectorizer sum reduction.
19306
19307 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19308
19309         PR other/35107
19310         * Makefile.in (LIBS): Remove $(GMPLIBS).
19311         (cc1-dummy, cc1): Add $(GMPLIBS).
19312
19313 2008-02-06  Jan Hubicka  <jh@suse.cz>
19314
19315         PR target/23322
19316         * i386.md (moddf_integer): Do not produce partial memory stalls for
19317         targets where it hurts.
19318
19319 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
19320
19321         PR target/35083
19322         * optabs.c (expand_float): Do not check for decimal modes when
19323         expanding unsigned integer through signed conversion.
19324
19325 2008-02-06  Nick Clifton  <nickc@redhat.com>
19326
19327         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
19328         inside the clobber with a match_operand and duplicated operand
19329         number in the constraint.
19330         (ineqbranchsi): Delete redundant comment.
19331
19332 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
19333
19334         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
19335         builtin_define ("__USE_INIT_FINI__").
19336         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
19337         -msx multilibs.
19338         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
19339
19340 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19341
19342         PR documentation/30330
19343         * doc/invoke.texi (C++ Dialect Options)
19344         (Objective-C and Objective-C++ Dialect Options, Warning Options):
19345         For each warning option -Wfoo that allows -Wno-foo, ensure both
19346         -Wfoo and -Wno-foo are listed in the option index.  Fix index
19347         entry of -Wswitch-default, index -Wnormalized= including the
19348         `=', and -Wlarger-than-@var{len} including @var{len}.
19349
19350 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
19351
19352         * config/i386/i386.md (floatunssisf2): Use
19353         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
19354         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
19355         Macroize expander using MODEF mode iterator.
19356
19357 2008-02-05  Diego Novillo  <dnovillo@google.com>
19358
19359         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
19360
19361         PR 33738
19362         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
19363
19364 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19365
19366         PR other/35070
19367         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
19368
19369 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
19370
19371         PR target/35084
19372         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
19373         to indicate if a message should be generated.
19374         (init_cumulative_args): Updated.
19375         (function_value_32): Likewise.
19376
19377 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
19378
19379         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
19380
19381 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
19382
19383         PR target/35083
19384         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
19385         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
19386
19387 2008-02-04  Diego Novillo  <dnovillo@google.com>
19388
19389         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
19390
19391         PR 33738
19392         * tree-vrp.c (vrp_evaluate_conditional): With
19393         -Wtype-limits, emit a warning when comparing against a
19394         constant outside the natural range of OP0's type.
19395
19396 2008-02-04  Richard Guenther  <rguenther@suse.de>
19397
19398         PR middle-end/33631
19399         * expr.c (count_type_elements): Give for unions instead of
19400         guessing.
19401
19402 2008-02-04  Richard Guenther  <rguenther@suse.de>
19403
19404         PR middle-end/35043
19405         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
19406         to TYPE_DOMAINs base type instead of using bitsizetype here.
19407
19408 2008-02-03  Jason Merrill  <jason@redhat.com>
19409
19410         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
19411
19412 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19413
19414         PR other/29972
19415         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
19416         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
19417         (RS/6000 and PowerPC Options): Fix typos and markup.
19418         * doc/passes.texi (Tree-SSA passes): Likewise.
19419
19420 2008-02-02  Michael Matz  <matz@suse.de>
19421
19422         PR target/35045
19423         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
19424         from record_last_reg_set_info.
19425         (record_last_reg_set_info): Take an RTX argument, iterate over all
19426         constituent hardregs.
19427         (record_last_set_info, record_opr_changes): Change calls to
19428         new signature or to record_last_reg_set_info_regno.
19429
19430 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
19431
19432         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
19433
19434 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
19435
19436         PR rtl-optimization/34773
19437         * reg-notes.def (EQUAL): Mention significance of combination of
19438         REG_EQUAL and REG_RETVAL.
19439         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
19440         insn that has a REG_RETVAL.
19441
19442 2008-02-01  Roger Sayle  <roger@eyesopen.com>
19443
19444         PR bootstrap/33781
19445         * configure.ac (--enable-fixed-point): Disable unless explicitly
19446         requested on IRIX.
19447         * configure: Regenerate.
19448
19449 2008-02-01  Richard Guenther  <rguenther@suse.de>
19450
19451         PR other/35042
19452         * invoke.texi (-finline-limit): Remove no longer true parts
19453         of the documentation.  Note that there is no default value.
19454
19455 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
19456             Mark Mitchell  <mark@codesourcery.com>
19457             Ben Elliston  <bje@au.ibm.com>
19458
19459         PR c/29326
19460         * doc/extend.texi (Other Builtins): Document.
19461
19462 2008-01-31  Tom Browder <tom.browder@gmail.com>
19463
19464         * doc/c-tree.texi (Types): Fix grammar.
19465         (Expression trees): Ditto.
19466         * doc/passes.texi (Tree-SSA passes): Ditto.
19467
19468         * doc/configterms.texi (Configure Terms): Fix typo.
19469         * doc/cpp.texi (Common Predefined Macros): Ditto.
19470         * doc/md.texi (Machine Constraints): Ditto.
19471
19472         * doc/makefile.texi (Makefile): Add comma.
19473
19474 2008-01-31  Tom Browder  <tom.browder@gmail.com>
19475             Gerald Pfeifer  <gerald@pfeifer.com>
19476
19477         * doc/sourcebuild.texi (Front End): Remove references to CVS
19478         and CVSROOT/modules.
19479         (Texinfo Manuals): Replace reference to CVS by one to SVN.
19480         (Back End): Remove reference to CVS.
19481
19482 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19483
19484         PR target/34900
19485         * config/mips/mips.c (gen_load_const_gp): New function, taking a
19486         comment from...
19487         (mips16_gp_pseudo_reg): ...here.
19488         * config/mips/mips.md (load_const_gp): Replace with...
19489         (load_const_gp_<mode>): ...this :P-based insn.
19490
19491 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19492
19493         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
19494         options. Minor fixes.
19495         (-std): Move reference to standards closer to where language
19496         standards are first mentioned.
19497
19498 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19499
19500         PR rtl-optimization/34995
19501         * reload.c (alternative_allows_const_pool_ref): Take an rtx
19502         parameter and return a bool.  If the rtx parameter is nonnull,
19503         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
19504         (find_reloads): Update call accordingly.  Pass the new operand
19505         if it needed no address reloads, otherwise pass null.
19506
19507 2008-01-30  Richard Henderson  <rth@redhat.com>
19508
19509         PR c/34993
19510         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
19511         for unbounded arrays.
19512
19513 2008-01-30  Silvius Rus  <rus@google.com>
19514
19515         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
19516
19517 2008-01-30  Jan Hubicka  <jh@suse.cz>
19518
19519         PR target/34982
19520         * i386.c (init_cumulative_args): Use real function declaration when
19521         calling locally.
19522
19523 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
19524
19525         PR rtl-optimization/34998
19526         * global.c (build_insn_chain): Treat non-subreg_lowpart
19527         SUBREGs of pseudos as clobbering all the words covered by the
19528         SUBREG, not just all the bytes.
19529         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
19530         original df_ref rather than an extract parameter.
19531         (global_conflicts): Update call accordingly.
19532
19533 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
19534
19535         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
19536         the overflow check to make it easier to read.
19537         (__fixtfdi): Change the type of the ll member in union
19538         long_double to UDItype_x.
19539
19540 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
19541
19542         PR middle-end/34969
19543         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
19544         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
19545         * tree-inline.c (fold_marked_statements): Call
19546         cgraph_update_edges_for_call_stmt if folding a call statement.
19547         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
19548         debug_generic_stmt calls, reset it back afterwards.
19549
19550         PR c/35017
19551         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
19552         static decls.
19553         * c-typeck.c (build_external_ref): Don't pedwarn about
19554         static vars in current function's scope.
19555
19556 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
19557
19558         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
19559
19560 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
19561
19562         PR c/35002
19563         * ipa-struct-reorg.c: Fix spelling.
19564         * params.def: Ditto.
19565
19566 2008-01-29  Richard Guenther  <rguenther@suse.de>
19567
19568         PR middle-end/35006
19569         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
19570         field.
19571         * tree-inline.c (remap_type): Increment remapping_type_depth
19572         around remapping types.
19573         (copy_body_r): Only add referenced variables if they are referenced
19574         from code, not types.
19575
19576 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
19577
19578         PR c++/34055
19579         PR c++/34103
19580         PR c++/34219
19581         PR c++/34606
19582         PR c++/34753
19583         PR c++/34754
19584         PR c++/34755
19585         PR c++/34919
19586         PR c++/34961
19587         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
19588         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
19589
19590 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
19591
19592         PR target/34412
19593         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
19594         pointer for tiny stack.
19595
19596 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19597
19598         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
19599
19600 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19601
19602         * config/vx-common.h: Fix typo in comment.
19603
19604 2008-01-28  Ian Lance Taylor  <iant@google.com>
19605
19606         PR c++/34862
19607         PR c++/33407
19608         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
19609         coalesce pointers if they have different DECL_NO_TBAA_P values.
19610         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
19611         between variables with different DECL_NO_TBAA_P values.
19612
19613 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
19614
19615         PR 31535
19616         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
19617         are not legitimate small data references on SPE targets.
19618
19619 2008-01-28  David Daney  <ddaney@avtrex.com>
19620
19621         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
19622
19623 2008-01-28  David Daney  <ddaney@avtrex.com>
19624
19625         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
19626
19627 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
19628
19629         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
19630         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
19631         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
19632         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
19633         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
19634         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
19635         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
19636         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
19637
19638 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19639
19640         * basic-block.h (condjump_equiv_p): Fix comment.
19641
19642 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19643
19644         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
19645         print_generic_stmt_indented): Fix comment.
19646
19647 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19648
19649         * configure.ac (__stack_chk_fail): Add detecion for availability
19650         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
19651         * configure: Regenerate.
19652
19653 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
19654
19655         PR middle-end/34688
19656         * final.c (output_addr_const): Handle TRUNCATE.
19657
19658 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
19659
19660         PR target/34711
19661         * tree-ssa-loop-ivopts.c (comp_cost): New type.
19662         (zero_cost, infinite_cost): New constants.
19663         (struct cost_pair): Change type of cost to comp_cost.
19664         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
19665         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
19666         New functions.
19667         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
19668         split_address_cost, ptr_difference_cost, difference_cost,
19669         get_computation_cost_at, get_computation_cost,
19670         determine_use_iv_cost_generic, determine_use_iv_cost_address,
19671         determine_use_iv_cost_condition, determine_use_iv_costs,
19672         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
19673         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
19674         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
19675         Change type of cost to comp_cost.
19676         (determine_iv_cost): Increase cost of non-original ivs, instead
19677         of decreasing the cost of original ones.
19678         (get_address_cost): Indicate the complexity of the addressing mode
19679         in comp_cost.
19680         (try_add_cand_for): Prefer using ivs not specific to some object.
19681         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
19682
19683 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
19684             Janis Johnson  <janis187@us.ibm.com>
19685
19686         PR target/34814
19687         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
19688         (TARGET_INSTANTIATE_DECLS): Likewise.
19689         * target.h (expand_to_rtl_hook): New target hook.
19690         (instantiate_decls): Likewise.
19691         * function.c (instantiate_decl): Make non-static.  Rename to...
19692         (instantiate_decl_rtl): ... this.
19693         (instantiate_expr): Use instantiate_decl_rtl.
19694         (instantiate_decls_1): Likewise.
19695         (instantiate_decls): Likewise.
19696         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
19697         * function.h (instantiate_decl_rtl): Add prototype.
19698         * cfgexpand.c (target.h): New include.
19699         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
19700         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
19701         (TARGET_INSTANTIATE_DECLS): Likewise.
19702         (TARGET_INITIALIZER): New target hooks added.
19703         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
19704         New prototype.
19705         * config/rs6000/rs6000.c (tree-flow.h): New include.
19706         (machine_function): Add sdmode_stack_slot field.
19707         (rs6000_alloc_sdmode_stack_slot): New function.
19708         (rs6000_instantiate_decls): Likewise.
19709         (rs6000_secondary_memory_needed_rtx): Likewise.
19710         (rs6000_check_sdmode): Likewise.
19711         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
19712         (TARGET_INSTANTIATE_DECLS): Likewise.
19713         (rs6000_hard_regno_mode_ok): Allow SDmode.
19714         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
19715         (rs6000_emit_move): Handle SDmode.
19716         (function_arg_advance): Likewise.
19717         (function_arg): Likewise.
19718         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
19719         SDmode var args for 32-bit compiles.
19720         (rs6000_secondary_reload_class): Handle SDmode.
19721         (rs6000_output_function_epilogue): Likewise.
19722         (rs6000_function_value): Simplify if statement.
19723         (rs6000_libcall_value): Likewise.
19724         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
19725         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
19726         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
19727         (movsd_hardfloat): New define_insn.
19728         (movsd_softfloat): Likewise.
19729         (movsd_store): Likewise.
19730         (movsd_load): Likewise.
19731         (extendsddd2): Likewise.
19732         (extendsdtd2): Likewise.
19733         (truncddsd2): Likewise.
19734         (movdd_hardfloat64): Fixup comment.
19735         (UNSPEC_MOVSD_LOAD): New constant.
19736         (UNSPEC_MOVSD_STORE): Likewise.
19737
19738 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
19739
19740         PR c++/34965
19741         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
19742         TRUTH_XOR_EXPR.
19743         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
19744         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
19745         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
19746         and TRUTH_XOR_EXPR.
19747
19748 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
19749
19750         PR target/34794
19751         * config.gcc: Separate AIX 5.3 from AIX 6.1.
19752         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
19753         __LONGDOUBLE128 too.
19754         * config/rs6000/aix61.h: New file.
19755
19756 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19757
19758         PR rtl-optimization/34959
19759         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
19760         popcount and parity rtxes the same mode as their operand.
19761         Truncate or extend the result to the return value's mode
19762         if necessary.
19763
19764 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19765
19766         PR target/34981
19767         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
19768         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
19769         to GOT_VERSION_REGNUM.
19770         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
19771         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
19772         * config/mips/mips.c (mips_emit_call_insn): New function.
19773         (mips_call_tls_get_addr): Call mips_expand_call directly.
19774         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
19775         emit_call_insn.
19776         (mips16_build_call_stub): Likewise.  Return the call insn or null.
19777         (mips_expand_call): Update the call to mips16_build_call_stub
19778         accordingly and a remove redundant condition.  Assert that MIPS16
19779         stubs do not use lazy binding.  Use mips_emit_call_insn and return
19780         the call insn.
19781         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
19782         TARGET_USE_GOT.
19783         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
19784         (mips_avoid_hazard): Remove hazard_set handling.
19785         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
19786         (UNSPEC_RESTORE_GP): ...this.
19787         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
19788         (FAKE_CALL_REGNO): Rename to...
19789         (GOT_VERSION_REGNUM): ...this.
19790         (type): Add "ghost" value.  Add an associated insn reservation.
19791         (hazard_set): Remove.
19792         (exception_receiver): Rename to...
19793         (restore_gp): ...this and update the unspec identifier accordingly.
19794         (exception_receiver, nonlocal_got_receiver): New expanders.
19795         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
19796         FAKE_CALL_REGNO.  Remove hazard_set attribute.
19797         (set_got_version, update_got_version): New patterns.
19798
19799 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
19800
19801         PR target/34970
19802         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
19803
19804 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19805
19806         PR other/31955
19807         * doc/install.texi2html: Generate gcc-vers.texi.
19808
19809 2008-01-25  DJ Delorie  <dj@redhat.com>
19810
19811         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
19812
19813 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19814
19815         * config/c4x: Remove directory.
19816         * config.gcc (crx-*, mt-*): Mark obsolete.
19817         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
19818         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
19819         sh-*-rtemscoff*): Remove cases.
19820         * defaults.h (C4X_FLOAT_FORMAT): Remove.
19821         * real.c (encode_c4x_single, decode_c4x_single,
19822         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
19823         c4x_extended_format): Remove.
19824         * real.h (c4x_single_format, c4x_extended_format): Remove.
19825         * doc/extend.texi (interrupt, naked): Remove mention of attributes
19826         on C4x.
19827         (Pragmas): Remove comment about c4x pragmas.
19828         * doc/install.texi (c4x): Remove target-specific instructions.
19829         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
19830         * doc/md.texi (Machine Constraints): Remove C4x documentation.
19831         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
19832         refer to C4x source files as examples.
19833         (C4X_FLOAT_FORMAT): Remove documentation.
19834
19835 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
19836
19837         * config/bfin/bfin.c (override_options): Reorder tests so that
19838         flag_pic gets enabled for -msep-data.
19839
19840 2008-01-25  Richard Guenther  <rguenther@suse.de>
19841
19842         PR middle-end/32244
19843         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
19844         to its bitfield precision if required.
19845
19846 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19847
19848         PR middle-end/33880
19849         * tree-nested.c (walk_omp_for): New function.
19850         (convert_nonlocal_reference, convert_local_reference): Call
19851         walk_omp_for on OMP_FOR.
19852         (convert_call_expr): Call walk_body on OMP_FOR's
19853         OMP_FOR_PRE_INIT_BODY.
19854
19855 2008-01-25  Richard Guenther  <rguenther@suse.de>
19856
19857         PR tree-optimization/34966
19858         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
19859         default defs and PHI_NODEs we have to insert after the
19860         defining statement.
19861
19862 2008-01-24  Nick Clifton  <nickc@redhat.com>
19863
19864         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
19865         Provide a default definition.
19866         (LIBGCC2_UNITS_PER_WORD): Likewise.
19867
19868         * config/stormy16/stormy16.c: Include df.h for the prototype
19869         for df_regs_ever_live_p.
19870         (xstormy16_expand_builtin_va_start): Convert the stack offset
19871         into a component_ref and then use POINTER_PLUS_EXPR to add it
19872         to the incoming_virtual_args_rtx.
19873         (xstormy16_gimplify_va_arg_expr): Rename to
19874         xstormy16_gimplify_va_arg_expr.
19875         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
19876         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
19877         xstormy16_gimplify_va_arg_expr.
19878         Fix up some formatting issues.
19879
19880         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
19881         Move to predicates.md.
19882         (xs_hi_general_operand): Likewise.
19883         (xs_hi_nonmemory_operand): Likewise.
19884         * config/stormy16/predicates.md:
19885         (xstormy16_carry_plus_operand): New predicate.
19886         (xs_hi_general_operand): New predicate.
19887         (xs_hi_nonmemory_operand): New predicate.
19888         * config/stormy16/stormy16-protos.h:
19889         (xstormy16_carry_plus_operand): Delete prototype.
19890         (xs_hi_general_operand): Likewise.
19891         (xs_hi_nonmemory_operand): Likewise.
19892
19893         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
19894         modifiers as they are no longer needed and they can trigger
19895         reload spill failures.
19896
19897         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
19898         with a match_operand in order to help reload.
19899
19900         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
19901         constraint with 'e' for the 8th alternative as this version of
19902         the mov.w instruction only accepts the lower 8 registers.
19903
19904 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
19905
19906         PR target/34856
19907         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
19908         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
19909         vector elements.
19910
19911 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19912
19913         PR middle-end/33333
19914         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
19915
19916 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19917
19918         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
19919         New functions.
19920         (remove_structure): Update allocations list before removing structure.
19921
19922 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19923
19924         * ipa-struct-reorg.c (is_safe_cond_expr,
19925         create_new_stmts_for_cond_expr): Use integer_zerop function,
19926         that recognize not only zero-pointer, but zero-integer too.
19927
19928 2008-01-25  Ben Elliston  <bje@au.ibm.com>
19929
19930         PR other/22232
19931         * fixproto: Escape "." in sed expression that strips leading "./".
19932
19933 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
19934
19935         PR driver/34904
19936         * gcc.c (SWITCH_OK): Removed.
19937         (SWITCH_LIVE): Changed to bit.
19938         (SWITCH_FALSE): Likewise.
19939         (SWITCH_IGNORE): Likewise.
19940         (switchstr): Change live_cond to unsigned int.
19941         (process_command): Replace SWITCH_OK with 0.
19942         (do_self_spec): Likewise.
19943         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
19944         (give_switch): Likewise.
19945         (used_arg): Likewise.
19946         (do_spec_1): Set the SWITCH_IGNORE bit.
19947         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
19948         bits.  Set the SWITCH_LIVE bit.
19949
19950 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
19951
19952         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
19953
19954 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
19955
19956         PR tree-optimization/34472
19957         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
19958         parameter to a "bool *" and set *DATA to false if there is
19959         an unsafe access.  Do not delete the structure here.
19960         (check_cond_exprs): Delete it here instead.
19961         (check_cond_exprs, exclude_cold_structs): Do not increase
19962         I when removing a structure.
19963
19964 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
19965
19966         PR target/34856
19967         * config/i386/i386.c (ix86_expand_vector_init): Consider only
19968         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
19969
19970 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
19971
19972         PR middle-end/34934
19973         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
19974         a fixed vector for stack.
19975
19976 2008-01-24  Ben Elliston  <bje@au.ibm.com>
19977
19978         PR c++/25701
19979         * doc/gcc.texi (Software development): Add a direntry for g++.
19980
19981 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
19982
19983         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
19984         stale and straggling -fforce-addr comments above.
19985
19986         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
19987         define.
19988         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
19989         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
19990
19991 2008-01-23  Michael Matz  <matz@suse.de>
19992
19993         PR debug/34895
19994         * dwarf2out.c (force_type_die): Use modified_type_die instead of
19995         gen_type_die.
19996
19997 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
19998
19999         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
20000         malloc result type.
20001
20002 2008-01-23 Anatoly Sokolov <aesok@post.ru>
20003
20004         * config/avr/avr.c (avr_current_arch): New variable.
20005         (avr_arch_types): Add 'avr31' and 'avr51' entries.
20006         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
20007         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
20008         (avr_override_options): Init 'avr_current_arch'.
20009         (base_arch_s): Move from here...
20010         * config/avr/avr.h (base_arch_s): ... here. Add new members
20011         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
20012         'mega' to 'have_jmp_call'.
20013         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
20014         "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
20015         macros.
20016         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
20017         architectures.
20018         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
20019         MULTILIB_MATCHES): Ditto.
20020
20021 2008-01-23  Richard Guenther  <rguenther@suse.de>
20022
20023         PR middle-end/31529
20024         * cgraphunit.c (cgraph_reset_node): Always mark the node
20025         not reachable if it is not queued already.
20026
20027 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
20028
20029         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
20030         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
20031         (cputype_selected): New static variable.
20032         (bfin_handle_option): Set it if -mcpu is used.
20033         (override_option): Select default set of workarounds if no cpu type
20034         selected on the command line.
20035         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
20036
20037         From  Michael Frysinger  <michael.frysinger@analog.com>
20038         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
20039         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
20040
20041         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
20042         for bf547, bf523, bf524, and bf526.
20043         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
20044         bf526.
20045         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
20046         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
20047         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
20048         __ADSPBF547__ and __ADSPBF54x__ for bf547.
20049         * doc/invoke.texi (Blackfin Options): Document that
20050         -mcpu now accept bf547, bf523, bf524, and bf526.
20051
20052 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
20053
20054         PR rtl-optimization/34628
20055         * combine.c (try_combine): Stop and undo after the first combination
20056         if an autoincrement side-effect on the first insn has effectively
20057         been lost.
20058
20059 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
20060
20061         PR target/34529
20062         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
20063         Offset addresses are not valid for Altivec or paired float modes.
20064
20065 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
20066
20067         PR c++/34607
20068         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
20069         if DECL_INITIAL (decl) is error_mark_node.
20070
20071         PR c++/34914
20072         * c-common.c (handle_vector_size_attribute): Only allow
20073         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
20074         the same way as pointer, array etc. types.
20075         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
20076
20077         PR c++/34917
20078         * tree.c (build_type_attribute_qual_variant): Call
20079         build_qualified_type if attributes are equal, but quals are not.
20080
20081 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20082
20083         PR 32102
20084         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
20085         * flags.h (warn_strict_aliasing): Remove.
20086         (warn_strict_overflow): Remove.
20087         * opts.c (warn_strict_aliasing): Remove.
20088         (warn_strict_overflow): Remove.
20089         * c-opts.c (c_common_handle_option): -Wall only sets
20090         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
20091         (c_common_post_options): Give default values to -Wstrict-aliasing
20092         and -Wstrict-overflow if they are uninitialized.
20093         * common.opt (Wstrict-aliasing): Specify Var and Init.
20094         (Wstrict-overflow): Likewise.
20095
20096 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
20097
20098         PR rtl-optimization/26854
20099         PR rtl-optimization/34400
20100         PR rtl-optimization/34884
20101         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
20102         DF_RD->gen.
20103         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
20104         (df_rd_bb_info.expanded_lr_out): Deleted
20105         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
20106         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
20107         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
20108         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
20109         Removed code to allocate, initialize or free expanded_lr_out.
20110         (df_rd_bb_local_compute_process_def): Restructured to make more
20111         understandable.
20112         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
20113         sets if the sets are being trimmed.
20114
20115 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
20116
20117         PR bootstrap/32287
20118         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
20119         (as_vers): Likewise.
20120         * configure: Regenerated.
20121
20122 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20123
20124         PR middle-end/33092
20125         * tree-pass.h (pass_build_alias): New pass.
20126         * tree-ssa-alias.c (gate_build_alias): New.
20127         (pass_build_alias): New.
20128         * passes.c (init_optimization_passes): Add pass_build_alias after
20129         pass_create_structure_vars.
20130
20131 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
20132
20133         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
20134         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
20135         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
20136         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
20137         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
20138         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
20139         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
20140         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
20141         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
20142         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
20143         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
20144         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
20145         * config/s390/s390.md (FP_ALL): New mode iterator.
20146         (_d): New mode attribute.
20147         ("*signbit<mode>2>"): Changed mode of first operand.
20148         ("isinf<mode>2"): Changed mode of first operand.
20149         ("*TDC_insn"): Adaptation for DFP modes.
20150
20151 2008-01-22  Ben Elliston  <bje@au.ibm.com>
20152
20153         * tree.c (check_qualified_type): Improve function description.
20154
20155 2008-01-21  Jason Merrill  <jason@redhat.com>
20156
20157         PR c++/34196
20158         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
20159         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
20160         if it is set.
20161
20162 2008-01-21  DJ Delorie  <dj@redhat.com>
20163
20164         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
20165         return zero.
20166
20167 2008-01-21  Richard Guenther  <rguenther@suse.de>
20168
20169         PR middle-end/34856
20170         * tree-cfg.c (verify_expr): Allow all invariant expressions
20171         instead of just constant class ones as reference argument.
20172         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
20173         like any other constant.
20174         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
20175
20176 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
20177
20178         * regmove.c (fixup_match_1): Update call crossed frequencies.
20179
20180 2008-01-21  Richard Guenther  <rguenther@suse.de>
20181
20182         PR c/34885
20183         * tree-inline.c (setup_one_parameter): Deal with mismatched
20184         types using a VIEW_CONVERT_EXPR.
20185
20186 2008-01-21  Alon Dayan  <alond@il.ibm.com>
20187             Olga Golovanevsky  <olga@il.ibm.com>
20188
20189         PR tree-optimization/34701
20190         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
20191         when the structure size is not a power of 2.
20192
20193 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
20194
20195         * doc/install.texi: Add doc for --enable-checking=df.
20196
20197 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
20198
20199         PR rtl-optimization/34808
20200         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
20201
20202 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
20203
20204         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
20205         input.
20206
20207 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
20208
20209         PR rtl-optimization/26854
20210         PR rtl-optimization/34400
20211         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
20212         DF_RD->gen.
20213         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
20214         (df_rd_bb_info.expanded_lr_out): New.
20215         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
20216         * loop_iv.c (iv_analysis_loop_init): Ditto.
20217         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
20218         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
20219         Added code to allocate, initialize or free expanded_lr_out.
20220         (df_rd_bb_local_compute_process_def): Restructured to make
20221         more understandable.
20222         (df_rd_confluence_n): Add code to do nothing with fake edges and
20223         code to no apply invalidate_by_call sets if the sets are being trimmed.
20224         (df_lr_local_finalize): Renamed to df_lr_finalize.
20225         (df_live_local_finalize): Renamed to df_live_finalize.
20226
20227 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
20228
20229         PR target/34831
20230         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
20231         deciding whether to use reciprocal instructions.
20232
20233 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
20234
20235         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
20236         dwarf2out_note_section_used if cold_text_section is NULL.
20237
20238 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
20239
20240         PR gcov-profile/34610
20241         * tree-cfg.c (make_edges): Mark both outgoing edges from
20242         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
20243         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
20244         from OMP_FOR and OMP_CONTINUE outgoing edges.
20245
20246         * tree-profile.c (tree_profiling): Return early if
20247         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
20248         at the end.
20249         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
20250         from cfun to child_cfun.
20251         * function.h (struct function): Add after_tree_profile bit.
20252
20253 2008-01-19 Anatoly Sokolov <aesok@post.ru>
20254
20255         * config/avr/avr.S (_exit): Disable interrupt.
20256
20257 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
20258             Steven Bosscher  <stevenb.gcc@gmail.com>
20259
20260         PR rtl-optimization/26854
20261         PR rtl-optimization/34400
20262         * df-problems.c (df_live_scratch): New scratch bitmap.
20263         (df_live_alloc): Allocate df_live_scratch when doing df_live.
20264         (df_live_reset): Clear the proper bitmaps.
20265         (df_live_bb_local_compute): Only process the artificial defs once
20266         since the order is not important.
20267         (df_live_init): Init the df_live sets only with the variables
20268         found live by df_lr.
20269         (df_live_transfer_function): Use the df_lr sets to prune the
20270         df_live sets as they are being computed.
20271         (df_live_free): Free df_live_scratch.
20272
20273 2008-01-18  Ian Lance Taylor  <iant@google.com>
20274
20275         * common.opt: Add fmerge-debug-strings.
20276         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
20277         flag_merge_debug_strings rather than flag_merge_constants.
20278         * doc/invoke.texi (Option Summary): Mention
20279         -fmerge-debug-strings.
20280         (Debugging Options): Document -fmerge-debug-strings.
20281
20282 2008-01-18  Ian Lance Taylor  <iant@google.com>
20283
20284         PR c++/33407
20285         * tree.h (DECL_IS_OPERATOR_NEW): Define.
20286         (struct tree_function_decl): Add new field operator_new_flag.
20287         * tree-inline.c (expand_call_inline): When inlining a call to
20288         operator new, force the return value to go into a variable, and
20289         set DECL_NO_TBAA_P on that variable.
20290         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
20291
20292 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
20293
20294         PR debug/34484
20295         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
20296         DWARF2_DEBUGGING_INFO.
20297         (dwarf2out_note_section_used): Ditto.  Add prototype.
20298         (have_multiple_function_sections, text_section_used,
20299         cold_text_section_used, *cold_text_sections): Move declarations
20300         before their uses.
20301
20302 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
20303
20304         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
20305         field and add signal_ra.
20306         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
20307         assignments to frame state pc.  Move end of stack check after
20308         MD_FALLBACK_FRAME_STATE_FOR.
20309         (uw_update_context_1): Use frame state signal_regs if set, instead
20310         of checking signal_frame flag.
20311         (uw_update_context): Use frame state signal_ra if set.
20312         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
20313         * config/xtensa/linux-unwind.h: New file.
20314
20315 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
20316
20317         * modulo-sched.c (get_sched_window): Fix comment typo.
20318
20319 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
20320
20321         PR tree-optimization/34648
20322         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
20323
20324 2008-01-17  Anatoly Sokolov <aesok@post.ru>
20325
20326         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
20327         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
20328
20329 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
20330
20331         PR rtl-optimization/34400
20332         * df-core.c (df_worklist_dataflow_overeager,
20333         df_worklist_dataflow_doublequeue): New functions.
20334         (df_worklist_dataflow): Two different worklist solvers.
20335         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
20336         New param.
20337
20338 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20339
20340         PR testsuite/34821
20341         * doc/invoke.texi: Document the dependence on pthread for fopenmp
20342         and ftree-parallelize-loops.
20343
20344 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
20345
20346         PR rtl-optimization/34826
20347         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
20348
20349 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
20350
20351         * global.c (find_reg): Mark the eh regs as used if necessary.
20352         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
20353         * ra.h (struct allocno): no_eh_reg field added.  Changed
20354         no_stack_reg type to bitfield.
20355
20356 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
20357
20358         * tree.c (substitute_in_expr): Add missing 'break'.
20359
20360 2008-01-17  Richard Guenther  <rguenther@suse.de>
20361
20362         PR tree-optimization/34825
20363         * tree-ssa-math-opts.c (is_division_by): Do not recognize
20364         x / x as division to handle.
20365
20366 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20367
20368         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
20369         "-pthread" is specified.
20370         * pa-hpux11.h (LIB_SPEC): Likewise.
20371
20372 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
20373             Peter Bergner  <bergner@vnet.ibm.com>
20374
20375         PR rtl-optimization/33796
20376         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
20377
20378 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20379
20380         PR libgfortran/34699
20381         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
20382         static links.
20383         * pa-hpux10.h (LINK_SPEC): Likewise.
20384         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
20385
20386 2008-01-16  Richard Guenther  <rguenther@suse.de>
20387
20388         PR middle-end/32628
20389         * fold-const.c (fold_convert_const_int_from_int): Do not
20390         set overflow if that occured only because of a sign extension
20391         change when converting from/to a sizetype with the same
20392         precision and signedness.
20393
20394 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
20395
20396         PR debug/34249
20397         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
20398         location address to the correct place.  Update copyright year.
20399
20400 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20401
20402         * lambda-code.c (lambda_transform_legal_p): Handle the case of
20403         no dependences in the dependence_relations vector.
20404
20405 2008-01-16  Jan Hubicka  <jh@suse.cz>
20406
20407         PR rtl-optimization/31396
20408         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
20409         * cfg.c (dump_reg_info): Print it.
20410         * regs.h (struct reg_info_t): add freq_calls_crossed.
20411         (REG_FREQ_CALLS_CROSSED): New macro.
20412         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
20413         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
20414         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
20415         regmove_optimize): Update call crossed frequencies.
20416         * local-alloc.c (struct qty): Add freq_calls_crossed.
20417         (alloc_qty): Copute freq_calls_crossed.
20418         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
20419         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
20420         * ra.h (struct allocno): Add freq_calls_crossed.
20421
20422 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20423
20424         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
20425         libgomp when compiling with ftree-parallelize-loops.
20426         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
20427
20428 2008-01-16  Richard Guenther  <rguenther@suse.de>
20429
20430         PR tree-optimization/34769
20431         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
20432         * tree.c (int_cst_value): Instead make this function more
20433         permissive in what it accepts as valid input.  Document this
20434         function always sign-extends the value.
20435
20436 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
20437             Richard Guenther  <rguenther@suse.de>
20438
20439         PR c/34668
20440         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
20441         (gimple_fold_indirect_ref_rhs): ... this.
20442         (gimple_fold_indirect_ref): New function with foldings
20443         that preserve lvalueness.
20444         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
20445         * tree-flow.h (gimple_fold_indirect_ref): Declare.
20446         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
20447         to fold an INDIRECT_REF, fall back to the old use of
20448         fold_indirect_ref_1.
20449
20450 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20451
20452         * tree-data-ref.c (subscript_dependence_tester_1): Call
20453         free_conflict_function.
20454         (compute_self_dependence): Same.
20455
20456 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
20457
20458         PR debug/34249
20459         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
20460         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
20461         function global.
20462         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
20463         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
20464         for DWARF2_UNWIND_INFO targets.
20465
20466 2008-01-16  Richard Guenther  <rguenther@suse.de>
20467
20468         PR c/34768
20469         * c-typeck.c (common_pointer_type): Do not merge inconsistent
20470         type qualifiers for function types.
20471
20472 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
20473
20474         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
20475         loop_iterator li from previous commit.
20476
20477 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
20478
20479         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
20480
20481 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20482
20483         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
20484         (parallelize_loops): Don't parallelize irreducible components.
20485
20486 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20487
20488         PR c++/24924
20489         * c-opts (c_common_post_options): Do not enable CPP
20490         flag_pedantic_errors by default.
20491
20492 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
20493
20494         PR rtl-optimization/31944
20495         * cse.c (remove_pseudo_from_table): New function.
20496         (merge_equiv_classes): Use above function to remove pseudo-registers.
20497         (invalidate): Likewise.
20498
20499 2008-01-13  Richard Guenther  <rguenther@suse.de>
20500
20501         PR middle-end/34601
20502         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
20503         instead of TYPE_MODE to deal with calls from expand_one_error_var.
20504
20505 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
20506
20507         * gcse.c (cprop_jump): Call validate_unshare_change instead of
20508         validate_change to unshare the source of the PC set.
20509
20510 2008-01-12  Jan Hubicka  <jh@suse.cz>
20511
20512         PR middle-end/32135
20513         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
20514         references above array bounds.  This might trigger bounds checks for
20515         pointers to arrays.
20516
20517 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20518
20519         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
20520         new_replaceable_dependencies.
20521
20522 2008-01-12  Doug Kwan  <dougkwan@google.com>
20523
20524         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
20525         instead of OPT_Wreturn_type in warning due to ignored return type
20526         qualifiers.
20527         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
20528         options included in -Wextra.
20529         * c.opt: New option -Wignored_qualifiers.
20530         * doc/invoke.texi (Warning Options, -Wextra): Add new option
20531         -Wignore_qualifiers.
20532         (-Wignored-qualifiers): Document.
20533         (-Wreturn-type): Remove description of functionality now handled
20534         by -Wignored-qualifiers.
20535
20536 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
20537
20538         PR ada/33788
20539         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
20540         NOP_EXPR if it is between integral types with the same precision.
20541
20542 2008-01-12  Jan Hubicka  <jh@suse.cz>
20543
20544         PR other/28023
20545         * invoke.texi (max-inline-recursive-depth): Fix default value.
20546
20547 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
20548
20549         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
20550         correct type.
20551
20552 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
20553
20554         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
20555
20556 2008-01-11  James E. Wilson  <wilson@specifix.com>
20557
20558         PR target/26015
20559         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
20560
20561 2008-01-11  Anatoly Sokolov <aesok@post.ru>
20562
20563         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
20564         save/restore frame pointer register and don't use 'call-prologues'
20565         optimization in function with "OS_task" attribute.
20566
20567 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
20568
20569         PR middle-end/31309
20570         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
20571         when copying to memory.
20572
20573 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
20574
20575         PR rtl-optimization/30905
20576         * cfgcleanup.c: Include dce.h
20577         (crossjumps_occured): New global variable.
20578         (try_crossjump_bb): Exit loop after finding a fallthru edge.
20579         If something changed, set crossjumps_occured to true.
20580         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
20581         Don't add/remove fake edges to exit here...
20582         (cleanup_cfg): ...but do it here, when crossjumping.
20583         Run a fast DCE when successful crossjumps occured in the latest
20584         iteration of try_optimize_cfg.
20585
20586 2008-01-11  Richard Guenther  <rguenther@suse.de>
20587
20588         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
20589         (struct vn_unary_op_s): Likewise.
20590         (vn_reference_insert): Free old reference on hash collision.
20591
20592 2008-01-10  Raksit Ashok  <raksit@google.com>
20593
20594         PR rtl-optimization/27971
20595         * combine.c (find_split_point): Split PLUS expressions which are
20596         inside a MEM rtx, and whose first operand is complex.
20597
20598 2008-01-10  DJ Delorie  <dj@redhat.com>
20599
20600         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
20601         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
20602         (m32c_hard_regno_ok): Call the underlying function.
20603
20604 2008-01-10  Richard Guenther  <rguenther@suse.de>
20605
20606         PR middle-end/34683
20607         * tree-cfg.c (tree_merge_blocks): Do not go through the
20608         full-blown folding and stmt updating path if we just deal
20609         with virtual operands.
20610         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
20611         test for abnormal SSA_NAMEs.
20612
20613 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
20614
20615         PR middle-end/34641
20616         * reload.c (push_reload): Add assertions.  All constants from
20617         reg_equiv_constant should have been used for replacing the respective
20618         pseudo earlier.
20619         (find_reloads_address): Invoke find_reloads_address_part for
20620         constant taken from the reg_equiv_constant array.
20621
20622 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
20623
20624         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
20625         field (valnum) the first in the struct.  Replace bools with
20626         unit bit fields.
20627
20628 2008-01-10  Richard Guenther  <rguenther@suse.de>
20629
20630         PR tree-optimization/34651
20631         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
20632         types and ordering for masking and converting.
20633
20634 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
20635
20636         PR tree-optimization/34017
20637         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
20638         also for PHI_NODE expressions.
20639
20640 2008-01-09  Jan Hubicka  <jh@suse.cz>
20641
20642         PR tree-optimization/34708
20643         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
20644         based on number of case labels.
20645         (init_inline_once): Remove switch_cost.
20646         * tree-inline.h (eni_weights_d): Remove switch_cost.
20647
20648 2008-01-09  Richard Guenther  <rguenther@suse.de>
20649         Andrew Pinski  <andrew_pinski@playstation.sony.com>
20650
20651         PR middle-end/30132
20652         * gimplify.c (gimplify_cond_expr): Do not create an addressable
20653         temporary if an rvalue is ok or an lvalue is not required.
20654
20655 2008-01-09  Richard Guenther  <rguenther@suse.de>
20656
20657         PR middle-end/34458
20658         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
20659         adjust return type.
20660
20661 2008-01-09  Richard Guenther  <rguenther@suse.de>
20662
20663         PR middle-end/34679
20664         * tree.c (host_integerp): Check for sizetype only if the
20665         type is an integer type.
20666
20667 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
20668
20669         PR debug/26364
20670         * opts.c (decode_options): Disable inlining of functions called
20671         once if not in unit-at-a-time mode.
20672
20673 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
20674
20675         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
20676
20677 2008-01-08  Richard Guenther  <rguenther@suse.de>
20678
20679         PR middle-end/31863
20680         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
20681         out early if the result will be unused.
20682
20683 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20684
20685         PR target/34709
20686         Revert:
20687
20688         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20689         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20690         for TARGET_RECIP.
20691
20692 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
20693
20694         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
20695         for vectorization tuned.
20696
20697 2008-01-08  Richard Guenther  <rguenther@suse.de>
20698
20699         PR tree-optimization/34683
20700         * tree-ssa-operands.c (operand_build_cmp): Export.
20701         * tree-ssa-operands.h (operand_build_cmp): Declare.
20702         * tree-vn.c (vuses_compare): Remove.
20703         (sort_vuses): Use operand_build_cmp.
20704         (sort_vuses_heap): Likewise.
20705         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
20706         to re-use old VEC if available.  Do not sort already sorted VUSEs.
20707         (vdefs_to_vec): Do not sort already sorted VDEFs.
20708
20709 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
20710
20711         PR middle-end/34694
20712         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
20713
20714 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20715
20716         PR target/34702
20717         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
20718         limitations of reciprocal sequences on x86 targets.
20719
20720 2008-01-08  Richard Guenther  <rguenther@suse.de>
20721
20722         PR tree-optimization/34683
20723         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
20724
20725 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
20726
20727         PR target/34622
20728         * config/darwin.c (darwin_mergeable_string_section): Don't use
20729         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
20730
20731 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
20732
20733         PR target/34682
20734         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
20735         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
20736         predicates of op0 and op1 to register_operand.
20737         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
20738         expander using X87MODEF mode iterator.  Change predicates of
20739         op0 and op1 to register_operand.
20740         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
20741         corresponding patterns and macroize using MODEF macro.  Change
20742         predicates of op0 and op1 to register_operand and remove
20743         "m" constraint. Disparage "r" alternative with "!".
20744         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
20745         macroize using X87MODEF macro.  Change predicates of op0 and op1
20746         to register_operand and remove "m" constraint.  Disparage "r"
20747         alternative with "!".
20748         (absneg splitter with memory operands): Remove.
20749         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
20750         patterns and macroize using X87MODEF mode iterator.
20751         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
20752         Change predicate of op1 to register_operand.
20753         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
20754         for memory operands.
20755
20756 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
20757
20758         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
20759
20760 2008-01-07  Richard Guenther  <rguenther@suse.de>
20761
20762         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
20763         fields.
20764
20765 2008-01-07  Richard Guenther  <rguenther@suse.de>
20766
20767         PR tree-optimization/34683
20768         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
20769         VOPs of the needed size to save memory.  Use VEC_quick_push
20770         to save compile-time.
20771         (vdefs_to_vec): Likewise.
20772
20773 2008-01-07  Sa Liu  <saliu@de.ibm.com>
20774
20775         * config/spu/spu.md (divdf3): Genetate inline code for double
20776         division.  The implementation doesn't handle INF or NAN, therefore it
20777         only applies when -ffinite-math-only is given.
20778
20779 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
20780
20781         PR libstdc++/34680
20782         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
20783         * doc/cpp.texi ([Common Predefined Macros]): Document.
20784
20785 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
20786
20787         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
20788         order to use commutative addition instead of subtraction.
20789
20790 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20791             Mircea Namolaru  <namolaru@il.ibm.com>
20792             Vladimir Yanovsky  <yanov@il.ibm.com>
20793             Revital Eres  <eres@il.ibm.com>
20794
20795         PR tree-optimization/34263
20796         * tree-outof-ssa.c (process_single_block_loop_latch,
20797         contains_tree_r): New functions.
20798         (analyze_edges_for_bb): Call process_single_block_loop_latch
20799         function to empty single-basic-block latch block if possible.
20800
20801 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20802
20803         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20804         for TARGET_RECIP.
20805         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
20806
20807 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20808
20809         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
20810
20811 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20812
20813         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
20814
20815 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
20816
20817         PR tree-optimization/34618
20818         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
20819         flag from T.
20820
20821 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20822
20823         PR target/34673
20824         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
20825         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
20826         Update copyright year.
20827
20828         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
20829         Update copyright year.
20830         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
20831         using NR fixup.
20832
20833 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
20834
20835         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
20836         edge does not point to current bb before changing need_assert.
20837
20838 2008-01-04  Richard Guenther  <rguenther@suse.de>
20839
20840         PR middle-end/34029
20841         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
20842         for verifying purposes if they are is_gimple_min_invariant.
20843
20844 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
20845
20846         PR tree-optimization/34448
20847         PR tree-optimization/34465
20848         * gimplify.c (gimplify_init_constructor): Add new parameter
20849         notify_temp_creation.  Use it.
20850         (gimplify_modify_expr_rhs): Take volatiles into account when
20851         optimizing constructors.
20852         Do not optimize constructors if gimplify_init_constructor will dump to
20853         memory.
20854         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
20855         * gcc.c-torture/compile/pr34448.c: New.
20856
20857 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
20858
20859         PR gcov-profile/34609
20860         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
20861         return_slot if result is TREE_ADDRESSABLE.
20862
20863 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
20864
20865         * config/mips/mips.md (sqrt_condition): Tweak comment.
20866         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
20867
20868 2008-01-03  Tom Tromey  <tromey@redhat.com>
20869
20870         PR c/34457
20871         * c-common.c (c_type_hash): Handle VLAs.
20872
20873 2008-01-03  Jan Hubicka  <jh@suse.cz>
20874
20875         PR tree-optimization/31081
20876         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
20877         0 when inlining and not inlining to first basic block.
20878         (remap_decl): When var is initialized to 0, don't set default_def.
20879         (expand_call_inline): Set entry_bb.
20880         * tree-inline.h (copy_body_data): Add entry_bb.
20881
20882 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20883
20884         PR c++/34619
20885         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
20886         before returning.
20887
20888         PR tree-optimization/29484
20889         * tree-inline.c (inline_forbidden_p_2): New function.
20890         (inline_forbidden_p): Disallow inlining if some static var
20891         has an address of a local LABEL_DECL in its initializer.
20892         * doc/extend.texi (Labels as Values): Document &&foo behaviour
20893         vs. inlining.
20894
20895 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
20896
20897         PR tree-optimization/34635
20898         * tree-data-ref.c (add_other_self_distances): Make sure that the
20899         evolution step is constant.
20900
20901 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20902
20903         PR middle-end/34608
20904         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
20905
20906 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
20907
20908         * tree-sra.c (scalarize_init): Insert the generate_element_init
20909         statements after the generate_element_zero statements.
20910
20911 2008-01-02  Richard Guenther  <rguenther@suse.de>
20912
20913         PR middle-end/34093
20914         PR middle-end/31976
20915         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
20916         for very large number of operands instead of ICEing.
20917
20918 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
20919
20920         PR target/34013
20921         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
20922         while stack probing.
20923
20924 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
20925
20926         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
20927         in C++0x mode.
20928
20929 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
20930
20931         PR libmudflap/26442
20932         * tree-mudflap.c (mx_register_decls): Guard warning by
20933         !DECL_ARTIFICIAL check.
20934
20935 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
20936
20937         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
20938         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
20939         sse5_perm<mode>): Fix constraints.