gcc/ChangeLog

   1 2008-08-31  Richard Guenther  <rguenther@suse.de>
   2
   3         PR middle-end/37289
   4         * fold-const.c (fold_binary): Retain conversions in folding
   5         ~A + 1 to -A.
   6
   7 2008-08-31  Jan Hubicka  <jh@suse.cz>
   8
   9         * postreload-gcse.c (eliminate_partially_redundant_loads): Use optimize_bb_for_size_p.
  10         * predict.c (maybe_hot_frequency_p): Make inline.
  11         (maybe_hot_count_p): Break out from ...
  12         (maybe_hot_bb_p): ... this one.
  13         (maybe_hot_edge_p): Simplify.
  14         * basic-block.h (probably_cold_bb_p): Remove.
  15
  16 2008-08-31  Jakub Jelinek  <jakub@redhat.com>
  17
  18         PR target/37168
  19         * config/rs6000/rs6000-protos.h (const_vector_elt_as_int): Add
  20         prototype.
  21         * config/rs6000/rs6000.c (const_vector_elt_as_int): No longer static.
  22         * config/rs6000/altivec.md (easy_vector_constant_add_self splitter):
  23         Also split V4SFmode.
  24         * config/rs6000/predicates.md (easy_vector_constant_add_self): Handle
  25         vector float modes.
  26
  27 2008-08-31  Jan Hubicka  <jh@suse.cz>
  28
  29         * predict.c (PROB_VERY_LIKELY): Make small enough so things
  30         become cold.
  31         * predict.def (PRED_NORETURN_CALL, PRED_COLD_CALL): Use it.
  32
  33 2008-08-31  Jakub Jelinek  <jakub@redhat.com>
  34
  35         PR debug/37287
  36         * dwarf2out.c (gen_namespace_die): For DECL_EXTERNAL modules don't
  37         add source coords.
  38
  39         * dwarf2out.c (native_encode_initializer): Subtract min_index for
  40         non-range array index.  Handle VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
  41
  42 2008-08-31  Jan Hubicka  <jh@suse.cz>
  43
  44         * sparc.h (BRANCH_COST): Fix macro definition.
  45         * avr.c (avr_operand_rtx_cost): Add speed argument.
  46         (avr_rtx_costs): Update calls of avr_operand_rtx_cost.
  47
  48 2008-08-31  Richard Guenther  <rguenther@suse.de>
  49
  50         * tree-cfg.c (verify_types_in_gimple_assign): Dump mismatched
  51         types instead of operands.  Re-instantiate verifying of
  52         binary expression operands.
  53
  54 2008-08-30  Jan Hubicka  <jh@suse.cz>
  55
  56         * fwprop.c (should_replace_address): Add speed attribute.
  57         (PR_OPTIMIZE_FOR_SPEED): New flag.
  58         (propagate_rtx_1): Use it.
  59         (propagate_rtx): Set it.
  60         (try_fwprop_subst): Update call of rtx_costs.
  61         (forward_propagate_and_simplify): LIkewise.
  62         * hooks.c (hook_int_rtx_bool_0): New
  63         (hook_bool_rtx_int_int_intp_false): Replace by ...
  64         (hook_bool_rtx_int_int_intp_bool_false): .. thisone.
  65         * hooks.h (hook_int_rtx_bool_0): New
  66         (hook_bool_rtx_int_int_intp_false): Replace by ...
  67         (hook_bool_rtx_int_int_intp_bool_false): .. thisone.
  68         * optabs.c (avoid_expensive_constant): UPdate call of rtx_cost.
  69         (prepare_cmp_insn): UPdate call of rtx_cost.
  70         * postreload.c (reload_cse_simplify_set): Update call of rtx_cost.
  71         (reload_cse_simplify_operands): Update call of rtx_cost.
  72         (reload_cse_move2add): call of rtx_cost.
  73         * target.h (struct gcc_target): Update rtx_costs and address_costs.
  74         * rtlanal.c (rtx_cost): Add speed argument.
  75         (address_cost): Add speed argument
  76         (default_address_cost): Likewise.
  77         (insn_rtx_cost): Likewise.
  78         * cfgloopanal.c (seq_cost): Add speed argument.
  79         (target_reg_cost, target_spill_cost): Turn to array.
  80         (init_set_costs): Update for speed.
  81         (estimate_reg_pressure_cost): Add speed argument.
  82         * auto-inc-dec.c (attempt_change): Update call of rtx_cost.
  83         * dojump.c (prefer_and_bit_test): UPdate call of rtx_cost.
  84         * tree-ssa-loop-ivopts.c (struct ivopts_data): New field speed.
  85         (seq_cost): Add speed argument.
  86         (computation_cost): Add speed arugment.
  87         (add_cost, multiply_by_const, get_address_cost): add speed argument.
  88         (force_expr_to_var_cost): Update for profile info.
  89         (force_var_cost): Likewise.
  90         (split_address_cost): Likewise.
  91         (ptr_difference_cost): Likewise.
  92         (difference_cost): Likewise.
  93         (get_computation_cost_at): Likewise.
  94         (determine_iv_cost): Likewise.
  95         (ivopts_global_cost_for_size): Likewise.
  96         (rewrite_use_address): Likewise.
  97         (tree_ssa_iv_optimize_loop): Initialize speed field.
  98         * cse.c (optimize_this_for_speed_p): New static var.
  99         (notreg_cost): Update call of rtx_cost.
 100         (cse_extended_basic_block): set optimize_this_for_speed_p.
 101         * ifcvt.c (cheap_bb_rtx_cost_p): Update call of rtx_cost.
 102         (noce_try_cmove_arith): Likewise.
 103         (noce_try_sign_mask): LIkewise.
 104         * expr.c (compress_float_constant): Update rtx_cost calls.
 105         * tree-ssa-address.c (most_expensive_mult_to_index): Add speed argument.
 106         (addr_to_parts): Likewise.
 107         (create_mem_ref): Likewise.
 108         * dse.c (find_shift_sequence): Add speed argument.
 109         (replace_read): Update call.
 110         * calls.c (precompute_register_parameters): Update call of rtx_cost.
 111         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost,
 112         * neg_cost, shift_cost, shiftadd_cost,
 113         shiftsub_cost, mul_cost, sdiv_cost, udiv_cost ,mul_widen_cost,
 114         mul_highpart_cost): Increase dimension.
 115         (init_expmed): Initialize for both size and speed.
 116         (expand_shift): Use profile.
 117         (synth_mult): Use profile.
 118         (choose_mult_variant): Use profile.
 119         (expand_mult): Use profile.
 120         (expand_mult_highpart_optab): Use profile.
 121         (expand_mult_highpart): Use profile.
 122         (expand_smod_pow2): Use profile.
 123         (expand_divmod): Use profile.
 124         * simplify-rtx.c (simplify_binary_operation_1): Update call of rtx_cost.
 125         * loop-invariant.c (create_new_invariant): Use profile.
 126         (gain_for_invariant): Add speed parameter.
 127         (best_gain_for_invariant): Likewise.
 128         (find_invariants_to_move): Likewise.
 129         (move_single_loop_invariants): Set it.
 130         * target-def.h (TARGET_RTX_COSTS): Use hook.
 131         * rtl.h (rtx_cost, address_cost, insn_rtx_cost): Update prototpe.
 132         (optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
 133         * output.h (default_address_cost): Update prototype.
 134         * combine.c (optimize_this_for_speed_p): New static var.
 135         (combine_validate_cost): Update call of rtx_cost.
 136         (combine_instructions): Set optimize_this_for_speed_p.
 137         (expand_compound_operation): Update call of rtx_cost.
 138         (make_extraction):Update call of rtx_cost.
 139         (force_to_mode):Update call of rtx_cost.
 140         (distribute_and_simplify_rtx):Update call of rtx_cost.
 141         * cfgloop.h (target_reg_cost, target_spill_cost): Turn to array.
 142         (estimate_reg_pressure_cost): Update prototype.
 143         * tree-flow.h (multiply_by_cost, create_mem_ref): Update prototype.
 144         * basic-block.h (optimize_insn_for_size_p, optimize_insn_for_speed_p):
 145         Remove.
 146         * config/alpha/alpha.c (alpha_rtx_costs): Update.
 147         (alpha_rtx_costs): Update.
 148         * config/frv/frv.c (frv_rtx_costs): Update.
 149         * config/s390/s390.c (s390_rtx_costs): Update.
 150         * config/m32c/m32c.c (m32c_memory_move_cost): Update.
 151         (m32c_rtx_costs): Update.
 152         * config/spu/spu.c (TARGET_ADDRESS_COST): Upate.
 153         (spu_rtx_costs): Update.
 154         * config/sparc/sparc.c (sparc_rtx_costs): Update.
 155         * config/m32r/m32r.c (m32r_rtx_costs): Update.
 156         * config/i386/i386.c (:ix86_address_cost): Update.
 157         (ix86_rtx_costs): Update.
 158         * config/sh/sh.c (sh_rtx_costs, sh_address_cost): Update.
 159         * config/pdp11/pdp11.c (pdp11_rtx_costs): Update.
 160         * config/avr/avr.c (avr_rtx_costs, avr_address_cost): Update.
 161         * config/crx/crx.c (crx_address_cost): Update.
 162         * config/xtensa/xtensa.c (xtensa_rtx_costs): Update.
 163         * config/stormy16/stormy16.c
 164         (xstormy16_address_cost, xstormy16_rtx_costs): Update.
 165         * config/m68hc11/m68hc11.c
 166         (m68hc11_address_cost, m68hc11_rtx_costs): Update.
 167         * config/cris/cris.c (cris_rtx_costs, cris_address_cost): Update.
 168         * config/iq2000/iq2000.c (iq2000_rtx_costs, iq2000_address_cost): Update.
 169         * config/mn10300/mn10300.c (mn10300_address_cost, mn10300_rtx_costs): Update
 170         * config/ia64/ia64.c (ia64_rtx_costs): Update.
 171         * config/m68k/m68k.c (m68k_rtx_costs): Update.
 172         * config/rs6000/rs6000.c (rs6000_rtx_costs): Update.
 173         * config/arc/arc.c (arc_rtx_costs, arc_address_cost): Update.
 174         * config/mcore/mcore.c (TARGET_ADDRESS_COST): Update.
 175         (mcore_rtx_costs): update.
 176         * config/score/score3.c (score3_rtx_costs): Update.
 177         * config/score/score7.c (score7_rtx_costs): Update.
 178         * config/score/score3.h (score3_rtx_costs):Update.
 179         * config/score/score7.h (score7_rtx_costs): Update.
 180         * config/score/score.c (score_rtx_costs): Update.
 181         * config/arm/arm.c (arm_address_cost): Update.
 182         (arm_rtx_costs_1): Update.
 183         (arm_rtx_costs_1): Update.
 184         (arm_size_rtx_costs): Update.
 185         (arm_size_rtx_costs): Update.
 186         (arm_size_rtx_costs): Update.
 187         (arm_xscale_rtx_costs): Update.
 188         (arm_thumb_address_cost): Update.
 189         * config/pa/pa.c (hppa_address_cost): Update.
 190         * config/mips/mips.c (mips_rtx_costs): Update.
 191         * config/vax/vax.c (vax_address_cost): Update.
 192         * config/h8300/h8300.c (h8300_shift_costs): Update.
 193         (h8300_rtx_costs): Update.
 194         * config/v850/v850.c (TARGET_ADDRESS_COST): Update.
 195         (v850_rtx_costs): Update.
 196         * config/mmix/mmix.c (mmix_rtx_costs, mmix_rtx_costs): Update.
 197         * config/bfin/bfin.c
 198         (bfin_address_cost): Update.
 199         (bfin_rtx_costs): Update.
 200         * stmt.c (lshift_cheap_p): Update.
 201
 202 2008-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 203
 204         PR middle-end/36444
 205         * expmed.c (extract_bit_field_1): Check the mode size to make
 206         sure the vector modes have the same size.
 207
 208 2008-08-29  Michael Meissner  <gnu@the-meissners.org>
 209
 210         * dojump.c (top level): Include basic-block.h to declare
 211         optimize_insn_for_speed_p
 212
 213         * Makefile.in (dodump.h): Add $(BASIC_BLOCK_H) dependency.
 214
 215         * opts.h (CL_SAVE): New option class for marking options that are
 216         target specific options usable in the target attribute.
 217         (CL_MIN_OPTION_CLASS): CL_SAVE is now the minimum option.
 218
 219         * opt-functions.awk (switch_flags): Add CL_SAVE flag so backends
 220         can easily find the target specific options that are safe to use
 221         in the attribute or pragma.
 222
 223         * attribs.c (decl_attributes): Change #pragma GCC option to
 224         #pragma GCC target, and attribute((option(...))) to
 225         attribute((target(...))).
 226
 227         * doc/extend.texi (target attribute): Change from option
 228         attribute.  Delete push/pop/reset.
 229         (#pragma GCC target): Change from #pragma GCC option.  Delete
 230         push/pop/reset.
 231         (#pragma GCC push_options): Document new pragma.
 232         (#pragma GCC pop_options): Document new pragma.
 233         (#pragma GCC reset_options): Document new pragma.
 234
 235         * targhooks.c (default_target_option_valid_attribute_p): Add
 236         warning about port not supporting target attributes.
 237         (default_target_option_pragma_parse): New function, warn about
 238         #pragma GCC target not being supported.
 239
 240         * targhooks.h (default_target_option_pragma_parse): Add
 241         declaration.
 242
 243         * tree.h (TI_CURRENT_TARGET_PRAGMA): Rename from
 244         TI_CURRENT_OPTION_PRAGMA.
 245         (current_target_pragma): Rename from current_option_pragma.
 246
 247         * target.h: (struct target_option): Delete booleans for changing
 248         the optimization level on hot/cold functions.  Change signature of
 249         pragma_parse hook to take a second tree.
 250
 251         * c-tree.h (c_builtin_function_ext_scope): Add declaration.
 252
 253         * c-decl.c (c_builtin_function_ext_scope): New function, guarantee
 254         that the declaration is done at global scope.
 255
 256         * langhooks.c (add_builtin_function_common): Move most of the code
 257         from add_builtin_function here, calling the hook passed in.
 258         (add_builtin_function): Call add_builtin_function_common with
 259         standard builtin hook.
 260         (add_builtin_function_ext_scope): New function to add builtins to
 261         global scope.
 262
 263         * langhooks.h (struct lang_hooks): Add builtin_function_ext_scope
 264         hook.
 265         (add_builtin_function_ext_scope): Add declaration.
 266
 267         * c-pragma.c (handle_pragma_target): Rename from
 268         handle_pragma_option, #pragma GCC option is now #pragma GCC
 269         target.  Move warning about port not supporting target options to
 270         default pragma parse hook.  Remove push/pop/reset from this
 271         pragma.
 272         (handle_pragma_optimize): Remove push/pop/reset from this pragma.
 273         (option_stack): Delete static variable.
 274         (optimize_stack): Ditto.
 275         (optons_stack): New stack of saved target and optimization
 276         options.
 277         (handle_pragma_push_options): New function to handle pushing both
 278         target and optimization options.
 279         (handle_pragma_pop_options): New function to handle popping both
 280         target and optimization options.
 281         (handle_pragma_reset_options): New function to handle resetting
 282         both target and optimization options to their initial state.
 283         (init_pragma): Rename handle_pragma_option to
 284         handle_pragma_target.  Add support for push_options, pop_options,
 285         and reset_options pragmas.
 286
 287         * target-def.h (TARGET_OPTION_PRAGMA_PARSE): Change default to
 288         default_target_option_pragma_parse.
 289         (TARGET_OPTION_VALID_ATTRIBUTE_P): Change default to
 290         default_target_option_valid_attribute_p.
 291         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
 292         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
 293         (TARGET_OPTION_HOOKS): Delete the fields for whether to change
 294         optimization level on hot/cold functions.
 295
 296         * tree-inline.c (tree_can_inline_p): Disable suppressing inlining
 297         if the caller and callee have different optimization levels.
 298
 299         * c-common.c (handle_target_attribute): Rename from
 300         handle_option_attribute, attribute((option(...))) is now
 301         attribute((target(...))).  Move warning if the port does not
 302         support target attributes to the default hook.
 303         (handle_hot_attribute): Delete code to change the optimization
 304         level of hot functions.
 305         (handle_cold_attribute): Ditto.
 306
 307         * config/i386/i386-c.c (ix86_pragma_target_parse): Take a second
 308         argument that is the binary tree options to use if there are no
 309         arguments.  Call ix86_valid_target_attribute_tree instead of
 310         ix86_valid_option_attribute_tree.
 311         (ix86_pragma_target_parse): Rename from ix86_pragma_option_parse.
 312         (ix86_register_pragmas): Use ix86_pragma_target_parse instead of
 313         ix86_pragma_option_parse.
 314
 315         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
 316         Rename from ix86_valid_option_attribute_tree.
 317
 318         * config/i386/i386.c (ix86_add_new_builtins): New function to add
 319         new builtins when the ISA changes.
 320         (ix86_valid_target_attribute_tree): Rename from
 321         ix86_valid_option_attribute_tree.  Change callers.  If the
 322         function specified optimization options, use those as the starting
 323         point before setting up the target attributes.  If the
 324         optimization options were changed in the course of setting the
 325         target attributes, record the new optimization options.
 326         (ix86_valid_target_attribute_tree_inner_p): Rename from
 327         ix86_valid_option_attribute_tree_inner_p.  Change callers.  Call
 328         ix86_add_new_builtins if the ISA changed.
 329         (ix86_valid_target_attribute_p): Rename from
 330         ix86_valid_option_attribute_p.  Change callers.
 331         (enum ix86_builtins): Add IX86_BUILTIN_PCMOV to allow both
 332         __builtin_ia32_pcmov and __builtin_ia32_pcmov_v2di to be declared
 333         as delayed builtin functions.
 334         (struct builtin_isa): New structure to record builtin functions
 335         that should be delayed until the ISA for that function is used.
 336         (ix86_builtins_isa): Change from int to struct to track builtin
 337         functions we want to declare at some point.
 338         (def_builtin): If the front end can delay defining the builtin
 339         functions, don't create builtins for ISAs not part of the default
 340         options.
 341         (def_builtin_const): Ditto.
 342         (bdesc_multi_arg): Declare __builtin_ia32_pcmov and
 343         __builtin_ia32_pcmov_v2di to be different builtin functions.
 344         (ix86_expand_builtin): Changes due to ix86_builtins_isa now being
 345         a structure instead of an int.
 346         (TARGET_OPTION_VALID_ATTRIBUTE_P): Use
 347         ix86_valid_target_attribute_p, not ix86_valid_option_attribute_p.
 348         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
 349         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
 350
 351         * config/ia64/ia64.h
 352         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
 353         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
 354
 355         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE): New
 356         hook, default to being the same as LANG_HOOKS_BUILTIN_FUNCTION.
 357         (LANG_HOOKS_INITIALIZER): Add
 358         LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE hook.
 359
 360 2008-08-30  Kaz Kojima  <kkojima@gcc.gnu.org>
 361
 362         PR target/37270
 363         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Generate
 364         the reload address with the index register for SFmode
 365         access with a displacement.
 366
 367 2008-08-30  Jan Hubicka  <jh@suse.cz>
 368
 369         * optabs.c (expand_abs_nojump): Update BRANCH_COST call.
 370         * fold-cost.c (LOGICAL_OP_NON_SHORT_CIRCUIT, fold_truthop): Likewise.
 371         * dojump.c (do_jump): Likewise.
 372         * ifcvt.c (MAX_CONDITIONAL_EXECUTE): Likewise.
 373         (note-if_info): Add BRANCH_COST.
 374         (noce_try_store_flag_constants, noce_try_addcc, noce_try_store_flag_mask,
 375         noce_try_cmove_arith, noce_try_cmove_arith, noce_try_cmove_arith,
 376         noce_find_if_block, find_if_case_1, find_if_case_2): Use compuated
 377         branch cost.
 378         * expr.h (BRANCH_COST): Update default.
 379         * predict.c (predictable_edge_p): New function.
 380         * expmed.c (expand_smod_pow2, expand_sdiv_pow2, emit_store_flag):
 381         Update BRANCH_COST call.
 382         * basic-block.h (predictable_edge_p): Declare.
 383         * config/alpha/alpha.h (BRANCH_COST): Update.
 384         * config/frv/frv.h (BRANCH_COST): Update.
 385         * config/s390/s390.h (BRANCH_COST): Update.
 386         * config/spu/spu.h (BRANCH_COST): Update.
 387         * config/sparc/sparc.h (BRANCH_COST): Update.
 388         * config/m32r/m32r.h (BRANCH_COST): Update.
 389         * config/i386/i386.h (BRANCH_COST): Update.
 390         * config/i386/i386.c (ix86_expand_int_movcc): Update use of BRANCH_COST.
 391         * config/sh/sh.h (BRANCH_COST): Update.
 392         * config/pdp11/pdp11.h (BRANCH_COST): Update.
 393         * config/avr/avr.h (BRANCH_COST): Update.
 394         * config/crx/crx.h (BRANCH_COST): Update.
 395         * config/xtensa/xtensa.h (BRANCH_COST): Update.
 396         * config/stormy16/stormy16.h (BRANCH_COST): Update.
 397         * config/m68hc11/m68hc11.h (BRANCH_COST): Update.
 398         * config/iq2000/iq2000.h (BRANCH_COST): Update.
 399         * config/ia64/ia64.h (BRANCH_COST): Update.
 400         * config/rs6000/rs6000.h (BRANCH_COST): Update.
 401         * config/arc/arc.h (BRANCH_COST): Update.
 402         * config/score/score.h (BRANCH_COST): Update.
 403         * config/arm/arm.h (BRANCH_COST): Update.
 404         * config/pa/pa.h (BRANCH_COST): Update.
 405         * config/mips/mips.h (BRANCH_COST): Update.
 406         * config/vax/vax.h (BRANCH_COST): Update.
 407         * config/h8300/h8300.h (BRANCH_COST): Update.
 408         * params.def (PARAM_PREDICTABLE_BRANCH_OUTCOME): New.
 409         * doc/invoke.texi (predictable-branch-cost-outcome): Document.
 410         * doc/tm.texi (BRANCH_COST): Update.
 411
 412 2008-08-30  Samuel Tardieu  <sam@rfc1149.net>
 413
 414         PR target/37283
 415         * config/arm/arm.c (arm_optimization_options): Set
 416         flag_section_anchors to 2 instead of 1 to distinguish it from
 417         -fsection-anchors given explicitely on the command line.
 418
 419 2008-08-30  Richard Sandiford  <rdsandiford@googlemail.com>
 420
 421         * recog.c (split_insn): Consider attaching a REG_EQUAL note to the
 422         final insn of a split.
 423
 424 2008-08-30  Jan Hubicka  <jh@suse.cz>
 425
 426         * postreload-gcse.c (gate_handle_gcse2): Disable for functions
 427         optimized for speed.
 428         * final.c (compute_alignments): Use optimize_bb_for_size_p.
 429         * tree-call-cdce.c (gate_call_cdce): Use optimize_function_for_speed_p.
 430         * opts.c (flag_predictive_commoning_set, flag_unswitch_loops_set,
 431         flag_gcse_after_reload_set): New static vars.
 432         (common_handle_option): Enable those flags for profile-use.
 433         (decode_options): Remove optimize_size flags that are handled
 434         on higher granuality.
 435         * tree-vectorizer.c (vectorize_loops): Use
 436         optimize_loop_nest_for_speed_p.
 437         * tree-ssa-pre.c (do_pre): Use optimize_function_for_speed_p.
 438         * tree-predcom.c (tree_predictive_commoning): Use
 439         optimize_loop_for_speed_p.
 440         * varasm.c (assemble_start_function): Use optimize_function_for_speed_p.
 441         * bb-reorder.c (rest_of_handle_reorder_blocks): Likewise.
 442         * predict.c (optimize_loop_for_speed_p): Fix walk.
 443
 444 2008-08-30  Jan Hubicka  <jh@suse.cz>
 445
 446         * ipa-inline.c (cgraph_estimate_growth): Discover self recursive
 447         functions.
 448         (cgraph_decide_inlining_of_small_function): Use edge->count to detect
 449         profile presence locally.
 450
 451 2008-08-29  Joseph Myers  <joseph@codesourcery.com>
 452
 453         PR bootstrap/37086
 454         * tree-vrp.c (find_switch_asserts): Make idx volatile for GCC
 455         versions before 4.0.
 456
 457 2008-08-29  Jan Hubicka  <jh@suse.cz>
 458
 459         * tree-inline.c (insert_init_stmt): Insert sequence even when
 460         not in SSA form.
 461
 462 2008-08-29  Jeff Law  <law@redhat.com>
 463
 464         * mn10300.c (mn10300_secondary_reload_class): We need secondary
 465         reloads for AM33-2 if IN is a pseudo with an equivalent memory
 466         location and class is an FP register.
 467
 468 2008-08-29  Jan Hubicka  <jh@suse.cz>
 469
 470         * see.c (see_merge_one_def_extension): Silence used uninitialized
 471         warning.
 472         * matrix-reorg.c (check_allocation_function): Likewise.
 473         * config/i386/driver-i386.c (detect_caches_amd): Likewise.
 474
 475 2008-08-29  Jakub Jelinek  <jakub@redhat.com>
 476
 477         PR c/37261
 478         * fold-const.c (fold_binary): In (X | C1) & C2 canonicalization
 479         compute new & and | in type rather than TREE_TYPE (arg0).
 480
 481         * dwarf2out.c (fortran_common): Update comment.
 482         (gen_variable_die): Swap com_die and var_die variables in Fortran
 483         COMMON block handling code.
 484
 485         * dwarf2out.c (descr_info_loc): Handle VAR_DECL.
 486
 487         * dwarf2out.c (gen_const_die): New function.
 488         (size_of_die, value_format, output_die): Output larger
 489         dw_val_class_vec using DW_FORM_block2 or DW_FORM_block4.
 490         (native_encode_initializer): New function.
 491         (tree_add_const_value_attribute): Call it.
 492         (gen_decl_die, dwarf2out_decl): Handle CONST_DECLs if is_fortran ().
 493
 494         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): For
 495         DECL_BY_REFERENCE decls don't pass TREE_READONLY and
 496         TREE_THIS_VOLATILE to add_type_attribute.
 497
 498         * dwarf2out.c (add_subscript_info): Stop on Fortran TYPE_STRING_FLAG
 499         types.
 500         (gen_array_type_die): Emit DW_TAG_string_type for Fortran character
 501         types.
 502
 503         * dwarf2out.c (loc_by_reference): New function.
 504         (add_location_or_const_value_attribute): Use it.
 505
 506         PR fortran/23057
 507         * dwarf2out.c (gen_variable_die): Represent Fortran COMMON vars
 508         as DW_TAG_variable children of DW_TAG_common_block rather than
 509         DW_TAG_member children.  Put DW_AT_external to individual
 510         DW_TAG_variable DIEs, not to DW_TAG_common_block.
 511
 512         * dwarf2out.c (add_bound_info): If lookup_decl_die failed, try
 513         loc_descriptor_from_tree_1.
 514
 515         PR fortran/29635
 516         PR fortran/23057
 517         * debug.h (struct gcc_debug_hooks): Add NAME and CHILD
 518         arguments to imported_module_or_decl.
 519         (debug_nothing_tree_tree): Removed.
 520         (debug_nothing_tree_tree_tree_bool): New prototype.
 521         * debug.c (do_nothing_debug_hooks): Adjust.
 522         (debug_nothing_tree_tree): Removed.
 523         (debug_nothing_tree_tree_tree_bool): New function.
 524         * dwarf2out.c (is_symbol_die): Handle DW_TAG_module.
 525         (gen_variable_die): Put all common vars for the
 526         same COMMON block under one DW_TAG_common_block.
 527         (declare_in_namespace): Return new context_die, for Fortran
 528         return the module DIE instead of adding extra declarations into
 529         the namespace.
 530         (gen_type_die_with_usage): Adjust declare_in_namespace caller.
 531         (gen_namespace_die): If is_fortran (), generate DW_TAG_module
 532         instead of DW_TAG_namespace.  If DECL_EXTERNAL is set, add
 533         DW_AT_declaration.
 534         (dwarf2out_global_decl): Don't skip Fortran global vars.
 535         (gen_decl_die): Likewise.  Adjust declare_in_namespace callers.
 536         (dwarf2out_imported_module_or_decl): Add NAME and CHILD arguments.
 537         If NAME is non-NULL, add DW_AT_name.  If CHILD is non-NULL, put
 538         DW_TAG_imported_declaration as child of previous
 539         DW_TAG_imported_module.
 540         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Adjust.
 541         * sdbout.c (sdb_debug_hooks): Likewise.
 542         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
 543
 544 2008-08-29  Jan Hubicka  <jh@suse.cz>
 545
 546         * cgraph.c (cgraph_remove_node): Do not remove nested nodes.
 547
 548         * cgraph.h (cgraph_maybe_hot_edge_p): Declare.
 549         * ipa-cp.c (n_cloning_candidates): New static variable.
 550         (ipcp_print_profile_data, ipcp_function_scale_print): Forward declare.
 551         (ipcp_print_all_lattices): Improve debug output.
 552         (ipcp_cloning_candidate_p): New function.
 553         (ipcp_initialize_node_lattices): Use it.
 554         (ipcp_init_stage): Do only analyzis here; prettier debug output.
 555         (ipcp_propagate_stage): Prettier debug output.
 556         (ipcp_iterate_stage): Initialize latices here; prettier debug output.
 557         (ipcp_print_all_structures): Remove.
 558         (ipcp_need_redirect_p): Test !n_cloning_candidates.
 559         (ipcp_insert_stage): Prettier debug output; call
 560         cgraph_remove_unreachable_nodes before propagating.
 561         (pass_ipa_cp): Schedule function removal pass.
 562         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Better
 563         debug output.
 564         (cgraph_maybe_hot_edge_p): Move to ...
 565         * predict.c (cgraph_maybe_hot_edge_p) ... here.
 566         * opts.c (flag_ipa_cp_set, flag_ipa_cp_clone_set): New.
 567         (common_handle_option): Set them; enable ipa-cp when profiling.
 568         * ipa-prop.c (ipa_print_node_jump_functions): Prettier output.
 569         (ipa_print_all_jump_functions): Likewise.
 570         (ipa_print_all_tree_maps, ipa_print_node_param_flags): Remove.
 571         (ipa_print_node_params, ipa_print_all_params): New.
 572         * ipa-prop.h (ipa_print_all_tree_maps, ipa_print_node_param_flags,
 573         ipa_print_all_param_flags): Remove.
 574         (ipa_print_node_params, ipa_print_all_params): New.
 575
 576 2008-08-29  Bob Wilson  <bob.wilson@acm.org>
 577
 578         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Revert
 579         change from 2008-04-03.
 580         * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Define.
 581
 582 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
 583
 584         PR rtl-opt/37251
 585
 586         * ira-color.c (push_allocnos_to_stack): Truncate
 587         removed_splay_allocno_vec.
 588
 589 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
 590
 591         PR rtl-opt/37243
 592         * ira-color (ira_fast_allocation): Don't assign hard registers to
 593         global allocnos.
 594
 595 2008-08-29  Jan Hubicka  <jh@suse.cz>
 596
 597         PR middle-end/37278
 598         * predict.c (optimize_loop_nest_for_speed_p): Do not ICE
 599         for cold internal loops.
 600
 601 2008-08-29  Richard Guenther  <rguenther@suse.de>
 602
 603         * tree-ssa-structalias.c (create_variable_info_for): Do not
 604         create fields for heap vars or vars with a noalias state.
 605         For NO_ALIAS_ANYTHING variables add a self-constraint, not one
 606         from ESCAPED.
 607
 608 2008-08-29  Richard Guenther  <rguenther@suse.de>
 609
 610         * common.opt (ftree-store-ccp): Mark as preserved for
 611         backward compatibility.
 612         * doc/invoke.texi (-ftree-store-ccp): Remove documentation.
 613         * tree-pass.h (pass_store_ccp): Remove.
 614         * tree-ssa-propagate.h (struct prop_value_d): Remove mem_ref field.
 615         (first_vdef): Remove declaration.
 616         (get_value_loaded_by): Likewise.
 617         * tree-ssa-ccp.c (do_store_ccp): Remove.
 618         (get_default_value): Simplify as do_store_ccp is always false
 619         now.  Do not initialize mem_ref.
 620         (set_value_varying): Likewise.
 621         (canonicalize_float_value): Likewise.
 622         (set_lattice_value): Likewise.
 623         (likely_value): Likewise.
 624         (surely_varying_stmt_p): Likewise.
 625         (ccp_initialize): Likewise.
 626         (ccp_lattice_meet): Likewise.
 627         (ccp_visit_phi_node): Likewise.
 628         (ccp_fold): Likewise.
 629         (evaluate_stmt): Likewise.
 630         (visit_assignment): Likewise.
 631         (ccp_visit_stmt): Likewise.
 632         (execute_ssa_ccp): Fold into ...
 633         (do_ssa_ccp): ... this.
 634         (do_ssa_store_ccp): Remove.
 635         (gate_store_ccp): Likewise.
 636         (pass_store_ccp): Likewise.
 637         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not
 638         initialize mem_ref.
 639         * tree-ssa-propagate.c (first_vdef): Remove.
 640         (get_value_loaded_by): Likewise.
 641         (replace_vuses_in): Likewise.
 642         (substitute_and_fold): Do not call replace_vuses_in.
 643         * opts.c (decode_options): Do not set flag_tree_store_ccp.
 644
 645 2008-08-29  Richard Guenther  <rguenther@suse.de>
 646
 647         PR middle-end/37236
 648         * tree-ssa-structalias.c (intra_create_variable_infos): Mark
 649         PARAM_NOALIAS tags with is_heapvar.
 650         * tree-ssa-operands.c (access_can_touch_variable): Offset
 651         based tests do not apply for heapvars.  Fix offset test.
 652
 653 2008-08-29  Jan Hubicka  <jh@suse.cz>
 654
 655         * doc/invoke.texi (-fipa-cp): Enabled by default at -O2/-Os/-O3
 656         (-fipa-cp-clone): Enabled by default at -O3.
 657         * opts.c (decode_options): Enable ipa-cp at -O2, ipa-cp-clone at -O3;
 658         make ipa-cp-clone to imply ipa-cp; disable cloning at -Os.
 659
 660 2008-08-29  Jan Hubicka  <jh@suse.cz>
 661
 662         * tree.c (build_function_type_skip_args, build_function_decl_skip_args):
 663         New functions.
 664         * tree.h (build_function_type_skip_args, build_function_decl_skip_args):
 665         Declare.
 666         * gimple.c (giple_copy_call_skip_args): New function.
 667         (giple_copy_call_skip_args): Declare.
 668
 669         * cgraph.h (cgraph_function_versioning): Add skip_args arugmnet
 670         * ipa-cp.c (ipcp_node_not_modifiable_p): Rename to ...
 671         (ipcp_node_modifiable_p): ... this one; use tree_versionable_function_p.
 672         (ipcp_create_replace_map): Improve debug output.
 673         (ipcp_need_redirect_p): Return false when not clonning.
 674         (ipcp_update_callgraph): Skip args.
 675         (ipcp_insert_stage): UPdate call of !ipcp_node_modifiable_p;
 676         skip args.
 677         * cgraphunit.c (cgraph_function_versioning): Add skip_args argument.
 678         (save_inline_function_body): Update call of tree_function_versioning.
 679         * ipa-prop.c (ipa_edge_removal_hook): Do not ICE on unanalyzed nodes.
 680         * tree-inline.c (copy_arguments_for_versioning): Add skip_args argument.
 681         (tree_function_versioning): Likewise.
 682         * tree-inline.h (tree_function_versioning): Update prototype.
 683
 684 2008-08-29  Jan Hubicka  <jh@suse.cz>
 685
 686         * loop-unswitch.c (unswitch_single_loop): Use optimize_loop_for_speed_p.
 687         * tree-ssa-threadupdate.c (mark_threaded_blocks): Use optimize_function_for_size_p.
 688         * tracer.c (ignore_bb_p): Use optimize_bb_for_size_p.
 689         * postreload-gcse.c (eliminate_partially_redundant_load): Use optimize_bb_for_size_p.
 690         * value-prof.c (gimple_divmod_fixed_value_transform,
 691         gimple_mod_pow2_value_transform, gimple_mod_subtract_transform,
 692         gimple_stringops_transform): Use optimize_bb_for_size_p.
 693         * ipa-cp.c (ipcp_insert_stage): Use optimize_function_for_size_p.
 694         * final.c (compute_alignments): Use optimize_function_for_size_p.
 695         * builtins.c (fold_builtin_cabs): Use optimize_function_for_speed_p.
 696         (fold_builtin_strcpy, fold_builtin_fputs): Use
 697         optimize_function_for_size_p.
 698         * fold-const.c (tree_swap_operands_p): Use optimize_function_for_size_p.
 699         * recog.c (relax_delay_slots): Likewise.
 700         * tree-ssa-math-opts.c (replace_reciprocal): Use optimize_bb_for_speed_p.
 701         (execute_cse_reciprocals): Use optimize_bb_for_size_p.
 702         * ipa-inline.c (cgraph_decide_recursive_inlining): Use
 703         optimize_function_for_size_p.
 704         (cgraph_decide_inlining_of_small_function): Use
 705         optimize_function_for_size_p.
 706         * global.c (find_reg): Use optimize_function_for_size_p.
 707         * opts.c (decode_options): Do not clear flag_tree_ch, flag_inline_functions,
 708         flag_unswitch_loops, flag_unroll_loops, flag_unroll_all_loops and
 709         flag_prefetch_loop_arrays. Those can work it out from profile.
 710         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Use
 711         optimize_loop_for_speed_p.
 712         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p): Constify
 713         argument.
 714         (optimize_loop_nest_for_size_p, optimize_loop_nest_for_speed_p): New.
 715         * tree-parloops.c (parallelize_loops): Use optimize_loop_for_size_p.
 716         * tree-eh.c (decide_copy_try_finally): Use optimize_function_for_size_p.
 717         * local-alloc.c (block_alloc): Pass BB pointer.
 718         (find_free_reg): Add BB pointer, use optimize_bb_for_size_p.
 719         * gcse.c (gcse_main): Use optimize_function_for_size_p.
 720         * loop-unroll.c (decide_unrolling_and_peeling): Use optimize_loop_for_size_p.
 721         (decide_peel_completely): Likewise.
 722         * tree-vect-analyze.c (vect_mark_for_runtime_alias_test): Use
 723         optimize_loop_for_size_p.
 724         (vect_enhance_data_refs_alignment): Likewise.
 725         * tree-ssa-coalesce.c (coalesce_cost): Add optimize_for_size argument.
 726         (coalesce_cost_bb, coalesce_cost_edge, create_outofssa_var_map): Update call.
 727         * cfgcleanup.c (outgoing_edges_match): Use optimize_bb_for_speed_p.
 728         (try_crossjump_bb): Use optimize_bb_for_size_p.
 729         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
 730         optimize_loop_for_speed_p.
 731         * bb-reorder.c (find_traces_1_round): Likewise.
 732         (copy_bb): Use optimize_bb_for_speed_p.
 733         (duplicate_computed_gotos): Likewise.
 734         * basic-block.h (optimize_loop_nest_for_size_p,
 735         optimize_loop_nest_for_speed_p): New.
 736         * stmt.c (expand_case): Use optimize_insn_for_size_p.
 737
 738 2008-08-29  Tristan Gingold  <gingold@adacore.com>
 739
 740         * gcov.c (main): Call expandargv.
 741
 742 2008-08-29  Jan Hubicka  <jh@suse.cz>
 743
 744         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Check that loop
 745         is not cold.
 746         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p):
 747         Constify arguments.
 748         (optimize_loop_for_size_p, optimize_loop_for_speed_p): New functions.
 749         * basic-block.h (optimize_bb_for_size_p, optimize_bb_for_speed_p):
 750         Constify.
 751         (optimize_loop_for_size_p, optimize_loop_for_speed_p): Declare.
 752
 753 2008-08-29  Jan Hubicka  <jh@suse.cz>
 754
 755         * tree-pass.h (pass_strip_predict_hints): Declare.
 756         * predict.c (strip_builtin_expect): Rename to ...
 757         (strip_predict_hints): ... this one; strip also GIMPLE_PREDICT.
 758         (tree_bb_level_predictions): Do not remove GIMPLE_PREDICT.
 759         (tree_estimate_probability): Do not strip builtin_expect.
 760         (pass_strip_predict_hints): New pass.
 761         * tree-inline.c (expand_call_inline): When inlining cold function, predict
 762         it as unlikely.
 763         * passes.c (init_optimization_passes): Add pass_strip_predict_hints.
 764
 765 2008-08-29  Richard Guenther  <rguenther@suse.de>
 766
 767         PR tree-optimization/37207
 768         * tree-vrp.c (extract_range_from_binary_expr): Also try
 769         to constant fold if only one of the operands is a constant.
 770
 771 2008-08-29  Nick Clifton  <nickc@redhat.com>
 772
 773         * config/m32r/m32r.h (LEGITIMATE_CONSTANT_P): Treat LABEL_REFs in
 774         the same way as SYMBOL_REFs.
 775
 776 2008-08-28  Bob Wilson  <bob.wilson@acm.org>
 777
 778         * config/xtensa/xtensa.md (<u>mulsidi3): Use a temporary register.
 779
 780 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
 781
 782         * config/mips/mips.h (ISA_HAS_BBIT): New macro.
 783         * config/mips/mips.md (branch_likely): Remove const.  Fix
 784         comment formatting.
 785         (define_delay for type "branch"): Change to only apply for branch
 786         with likely variant.
 787         (define_delay for type "branch" and "branch_likely" no).  New delay
 788         definition.
 789         (equality_op): New code iterator.
 790         (bbv, bbinv): New code attributes.
 791         (*branch_bit<bbv><mode>, *branch_bit<bbv><mode>_inverted): New
 792         patterns.
 793
 794 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 795             Andrew Pinski  <pinskia@gcc.gnu.org>
 796
 797         PR 18050
 798         * c-common.c (verify_tree): Fix handling of ADDR_EXPR.
 799
 800 2008-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
 801
 802         * gtrh-posix.h: Fix uses of _POSIX_TIMEOUTS per the normal Posix
 803         rule that a symbolic constant must be defined and >= 0 for the
 804         corresponding facility to be present at compile-time.
 805         * gthr-posix.c: Likewise.
 806
 807 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
 808
 809         * config/mips/mips.h (ISA_HAS_DMUL3): New macro.
 810         * config/mips/mips.md (D): New mode attribute.
 811         (mulsi3, muldi3): Merge it into ...
 812         (mul<mode>3): ... new template.  Use _mul3 ending for 3-op
 813         patterns.
 814         (muldi3_mul3): New pattern.
 815         (mulsi3_mult3): Rename to mulsi3_mul3.
 816
 817 2008-08-28  Jan Hubicka  <jh@suse.cz>
 818
 819         * expmed.c (store_bit_field_1): Be prepared for movstrict expander
 820         to fail.
 821         * predict.c (always_optimize_for_size_p): Rename to ...
 822         (optimize_function_for_size): ... this one; make extern.
 823         (optimize_function_for_speed_p): New.
 824         (optimize_bb_for_size_p, optimize_bb_for_size_p,
 825         optimize_edge_for_size_p,optimize_edge_for_size_p,
 826         optimize_insn_for_size_p, optimize_insn_for_size_p): Update.
 827         * basic-block.h (optimize_function_for_size_p,
 828         optimize_function_for_speed_p): Declare.
 829         * i386.md (optimize_size checks): Replace them by appropriate
 830         predicate.
 831         (standard_80387_constant_p, ix86_compute_frame_layout,
 832         ix86_expand_epilogue, ix86_decompose_address,
 833         print_operand, emit_i387_cw_initialization,
 834         inline_memory_move_cost, ix86_pad_returns,
 835         ix86_reorg): Replace optimize_size checks.
 836
 837 2008-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
 838
 839         * rtl.h (simplify_subreg_regno): Declare.
 840         * rtlanal.c (simplify_subreg_regno): New function, split out from...
 841         * simplify-rtx.c (simplify_subreg): ...here.
 842         * reload.c (find_reloads): Use simplify_subreg_regno instead of
 843         subreg_offset_representable_p.
 844
 845 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 846
 847         PR c/30949
 848         * c-typeck.c (convert_for_assignment): Give a note describing what
 849         was passed and what was expected.
 850
 851 2008-08-28  Joey Ye  <joey.ye@intel.com>
 852
 853         * doc/extend.texi: Document AVX built-in functions.
 854         * doc/invoke.texi: Document -mavx.
 855
 856 2008-08-28  H.J. Lu  <hongjiu.lu@intel.com>
 857             Joey Ye  <joey.ye@intel.com>
 858             Xuepeng Guo  <xuepeng.guo@intel.com>
 859
 860         * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64.
 861
 862         * config/i386/cpuid.h (bit_FMA): New.
 863         (bit_XSAVE): Likewise.
 864         (bit_OSXSAVE): Likewise.
 865         (bit_AVX): Likewise.
 866
 867         * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before
 868         define.  Use ASM_OUTPUT_AVX_PREFIX.
 869
 870         * config/i386/gmmintrin.h: New.
 871
 872         * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS.
 873         (OPTION_MASK_ISA_AVX_SET): New.
 874         (OPTION_MASK_ISA_FMA_SET): Likewise.
 875         (OPTION_MASK_ISA_AVX_UNSET): Likewise.
 876         (OPTION_MASK_ISA_FMA_SET): Likewise.
 877         (OPTION_MASK_ISA_SSE4_2_UNSET): Updated.
 878         (ix86_handle_option): Handle OPT_mavx and OPT_mfma.
 879         (pta_flags): Add PTA_AVX and PTA_FMA.
 880         (override_options): Handle PTA_AVX and PTA_FMA.
 881         (init_cumulative_args): Handle warn_avx.
 882         (classify_argument): Return 0 for COImode and OImode.  Return
 883         1 and X86_64_AVX_CLASS for 256bit vector types.
 884         (examine_argument): Handle X86_64_AVX_CLASS.
 885         (construct_container): Likewise.
 886         (function_arg_advance_32): Pass OImode and 256bit vector types
 887         in AVX register.
 888         (function_arg_advance_64): Take a new argument to indicate if a
 889         parameter is named.  Handle 256bit vector types.  Return
 890         immediately for unnamed 256bit vector mode parameters.
 891         (function_arg_advance): Updated.
 892         (function_arg_32): Add comments for TImode.  Handle OImode
 893         and 256bit vector types.
 894         (function_arg_64): Take a new argument to indicate if a
 895         parameter is named.  Handle 256bit vector types.  Return NULL
 896         for unnamed 256bit vector mode parameters.
 897         (function_arg): Updated.
 898         (setup_incoming_varargs_64): Support
 899         AVX encoding for *sse_prologue_save_insn.
 900         (ix86_gimplify_va_arg): Handle 256bit vector mode parameters.
 901         (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't
 902         enabled.  For all 1s in 256bit vector modes, return 3 if AVX is
 903         enabled, otherwise return -3.
 904         (standard_sse_constant_opcode): Handle AVX and 256bit vector
 905         modes.
 906         (print_reg): Support AVX registers.  Handle 'x' and 't'.
 907         Handle 'd' to duplicate the operand.
 908         (print_operand): Likewise.  Also support AVX vector compare
 909         instructions.
 910         (output_387_binary_op): Support AVX.
 911         (output_fp_compare): Likewise.
 912         (ix86_expand_vector_move_misalign): Likewise.
 913         (ix86_attr_length_vex_default): New.
 914         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
 915         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
 916         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
 917         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
 918         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256,
 919         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
 920         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256,
 921         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256,
 922         IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256,
 923         IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256,
 924         IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256,
 925         IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256,
 926         IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256,
 927         IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256,
 928         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
 929         IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256,
 930         IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256,
 931         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
 932         IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256,
 933         IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256,
 934         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
 935         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
 936         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
 937         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256,
 938         IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256,
 939         IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER,
 940         IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD,
 941         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
 942         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD,
 943         IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256,
 944         IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD,
 945         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256,
 946         IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256,
 947         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
 948         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
 949         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
 950         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256,
 951         IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256,
 952         IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256,
 953         IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256,
 954         IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256,
 955         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD,
 956         IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD,
 957         IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256,
 958         IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256,
 959         IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256,
 960         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
 961         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
 962         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
 963         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
 964         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
 965         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
 966         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
 967         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
 968         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
 969         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
 970         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
 971         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
 972         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
 973         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
 974         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
 975         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
 976         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
 977         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256
 978         and IX86_BUILTIN_MOVMSKPS256,
 979         (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR,
 980         V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF,
 981         V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF,
 982         V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF,
 983         V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI,
 984         VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF,
 985         VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF,
 986         VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF,
 987         (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST,
 988         INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST,
 989         INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST,
 990         INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI,
 991         V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF,
 992         V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF,
 993         V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF,
 994         V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF,
 995         V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI,
 996         V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI,
 997         V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI,
 998         V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT,
 999         V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT,
1000         V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF,
1001         V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT,
1002         V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT,
1003         V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT,
1004         V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1005         (bdesc_special_args): Add IX86_BUILTIN_VZEROALL,
1006         IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64,
1007         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
1008         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
1009         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256,
1010         IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256,
1011         IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256,
1012         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256,
1013         IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS,
1014         IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256,
1015         IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS,
1016         IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256.
1017         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
1018         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
1019         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
1020         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
1021         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256,
1022         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256,
1023         IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256,
1024         IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256,
1025         IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256,
1026         IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256,
1027         IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256,
1028         IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256,
1029         IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256,
1030         IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD,
1031         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
1032         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256,
1033         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
1034         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256,
1035         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
1036         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
1037         IX86_BUILTIN_CMPPS,
1038         IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256,
1039         IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256,
1040         IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256,
1041         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
1042         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
1043         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
1044         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256,
1045         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
1046         IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS,
1047         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
1048         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS,
1049         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
1050         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1051         IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256,
1052         IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256,
1053         IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256,
1054         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
1055         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
1056         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
1057         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
1058         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
1059         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
1060         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
1061         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
1062         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
1063         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
1064         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
1065         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
1066         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
1067         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
1068         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
1069         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
1070         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
1071         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and
1072         IX86_BUILTIN_MOVMSKPS256.
1073         (ix86_init_mmx_sse_builtins): Support AVX builtins.
1074         (ix86_expand_args_builtin): Likewise.
1075         (ix86_expand_special_args_builtin): Likewise.
1076         (ix86_hard_regno_mode_ok): Handle AVX modes.
1077         (ix86_expand_vector_init_duplicate): Likewise.
1078         (ix86_expand_vector_init_one_nonzero): Likewise.
1079         (ix86_expand_vector_init_one_var): Likewise.
1080         (ix86_expand_vector_init_concat): Likewise.
1081         (ix86_expand_vector_init_general): Likewise.
1082         (ix86_expand_vector_set): Likewise.
1083         (ix86_vector_mode_supported_p): Likewise.
1084         (x86_extended_reg_mentioned_p): Check INSN_P before using
1085         PATTERN.
1086
1087         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
1088         OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA.
1089
1090         * config/i386/i386.h (TARGET_AVX): New.
1091         (TARGET_FMA): Likewise.
1092         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA.
1093         (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX.
1094         (VALID_AVX256_REG_MODE): New.
1095         (AVX256_VEC_FLOAT_MODE_P): Likewise.
1096         (AVX_FLOAT_MODE_P): Likewise.
1097         (AVX128_VEC_FLOAT_MODE_P): Likewise.
1098         (AVX256_VEC_FLOAT_MODE_P): Likewise.
1099         (AVX_VEC_FLOAT_MODE_P): Likewise.
1100         (ASM_OUTPUT_AVX_PREFIX): Likewise.
1101         (ASM_OUTPUT_OPCODE): Likewise.
1102         (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer
1103         support.
1104         (SSE_REG_MODE_P): Allow 256bit vector modes.
1105         (ix86_args): Add a warn_avx field.
1106
1107         * config/i386/i386.md (UNSPEC_PCMP): New.
1108         (UNSPEC_VPERMIL): Likewise.
1109         (UNSPEC_VPERMIL2): Likewise.
1110         (UNSPEC_VPERMIL2F128): Likewise.
1111         (UNSPEC_MASKLOAD): Likewise.
1112         (UNSPEC_MASKSTORE): Likewise.
1113         (UNSPEC_CAST): Likewise.
1114         (UNSPEC_VTESTP): Likewise.
1115         (UNSPECV_VZEROALL): Likewise.
1116         (UNSPECV_VZEROUPPER): Likewise.
1117         (XMM0_REG): Likewise.
1118         (XMM1_REG): Likewise.
1119         (XMM2_REG): Likewise.
1120         (XMM3_REG): Likewise.
1121         (XMM4_REG): Likewise.
1122         (XMM5_REG): Likewise.
1123         (XMM6_REG): Likewise.
1124         (XMM8_REG): Likewise.
1125         (XMM9_REG): Likewise.
1126         (XMM10_REG): Likewise.
1127         (XMM11_REG): Likewise.
1128         (XMM12_REG): Likewise.
1129         (XMM13_REG): Likewise.
1130         (XMM14_REG): Likewise.
1131         (XMM15_REG): Likewise.
1132         (prefix): Likewise.
1133         (prefix_vex_imm8): Likewise.
1134         (prefix_vex_w): Likewise.
1135         (length_vex): Likewise.
1136         (maxmin): Likewise.
1137         (movoi): Likewise.
1138         (*avx_ashlti3): Likewise.
1139         (*avx_lshrti3): Likewise.
1140         (*avx_setcc<mode>): Likewise.
1141         (*fop_<mode>_comm_mixed_avx): Likewise.
1142         (*fop_<mode>_comm_avx): Likewise.
1143         (*fop_<mode>_1_mixed_avx): Likewise.
1144         (*fop_<mode>_1_avx): Likewise.
1145         (*avx_<code><mode>3): Likewise.
1146         (*avx_ieee_smin<mode>3): Likewise.
1147         (*avx_ieee_smax<mode>3): Likewise.
1148         (mode): Add OI, V8SF and V4DF.
1149         (length): Support VEX prefix.
1150         (*cmpfp_i_mixed): Set prefix attribute.
1151         (*cmpfp_i_sse): Likewise.
1152         (*cmpfp_iu_mixed): Likewise.
1153         (*cmpfp_iu_sse): Likewise.
1154         (*movsi_1): Support AVX.
1155         (*movdi_2): Likewise.
1156         (*movdi_1_rex64): Likewise.
1157         (*movti_internal): Likewise.
1158         (*movti_rex64): Likewise.
1159         (*movsf_1): Likewise.
1160         (*movdf_nointeger): Likewise.
1161         (*movdf_integer_rex64): Likewise.
1162         (*movtf_internal): Likewise.
1163         (zero_extendsidi2_32): Likewise.
1164         (zero_extendsidi2_rex64): Likewise.
1165         (*extendsfdf2_mixed): Likewise.
1166         (*extendsfdf2_sse): Likewise.
1167         (*truncdfsf_fast_mixed): Likewise.
1168         (*truncdfsf_fast_sse): Likewise.
1169         (*truncdfsf_mixed): Likewise.
1170         (fix_trunc<mode>di_sse): Likewise.
1171         (fix_trunc<mode>si_sse): Likewise.
1172         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
1173         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
1174         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
1175         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
1176         (*rcpsf2_sse): Likewise.
1177         (*rsqrtsf2_sse): Likewise.
1178         (*sqrt<mode>2_sse): Likewise.
1179         (sse4_1_round<mode>2): Likewise.
1180         (*sse_prologue_save_insn): Disallow REX prefix for AVX.
1181         Support AVX.  Set length attribute properly for AVX.
1182
1183         * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New.
1184         (VECTOR_MODES (FLOAT, 32)): Likewise.
1185         (VECTOR_MODE (INT, DI, 8)): Likewise.
1186         (VECTOR_MODE (INT, HI, 32)): Likewise.
1187         (VECTOR_MODE (INT, QI, 64)): Likewise.
1188         (VECTOR_MODE (FLOAT, DF, 8)): Likewise.
1189         (VECTOR_MODE (FLOAT, SF, 16)): Likewise.
1190         (VECTOR_MODE (INT, DI, 4)): Removed.
1191         (VECTOR_MODE (INT, SI, 8)): Likewise.
1192         (VECTOR_MODE (INT, HI, 16)): Likewise.
1193         (VECTOR_MODE (INT, QI, 32)): Likewise.
1194         (VECTOR_MODE (FLOAT, SF, 8)): Likewise.
1195         (INT_MODE (OI, 32)): Likewise.
1196
1197         * config/i386/i386.opt (mavx): New.
1198         (mfma): Likewise.
1199
1200         * config/i386/i386-protos.h (ix86_attr_length_vex_default): New.
1201
1202         * config/i386/mmx.md (*mov<mode>_internal_rex64): Support AVX.
1203         (*mov<mode>_internal_avx): New.
1204         (*movv2sf_internal_rex64_avx): Likewise.
1205         (*movv2sf_internal_avx): Likewise.
1206
1207         * config/i386/predicates.md (const_4_to_5_operand): New.
1208         (const_6_to_7_operand): Likewise.
1209         (const_8_to_11_operand): Likewise.
1210         (const_12_to_15_operand): Likewise.
1211         (avx_comparison_float_operator): Likewise.
1212
1213         * config/i386/sse.md (AVX256MODEI): New.
1214         (AVX256MODE): Likewise.
1215         (AVXMODEQI): Likewise.
1216         (AVXMODE): Likewise.
1217         (AVX256MODEF2P): Likewise.
1218         (AVX256MODE2P): Likewise.
1219         (AVX256MODE4P): Likewise.
1220         (AVX256MODE8P): Likewise.
1221         (AVXMODEF2P): Likewise.
1222         (AVXMODEF4P): Likewise.
1223         (AVXMODEDCVTDQ2PS): Likewise.
1224         (AVXMODEDCVTPS2DQ): Likewise.
1225         (avxvecmode): Likewise.
1226         (avxvecpsmode): Likewise.
1227         (avxhalfvecmode): Likewise.
1228         (avxscalarmode): Likewise.
1229         (avxcvtvecmode): Likewise.
1230         (avxpermvecmode): Likewise.
1231         (avxmodesuffixf2c): Likewise.
1232         (avxmodesuffixp): Likewise.
1233         (avxmodesuffixs): Likewise.
1234         (avxmodesuffix): Likewise.
1235         (vpermilbits): Likewise.
1236         (pinsrbits): Likewise.
1237         (mov<mode>): Likewise.
1238         (*mov<mode>_internal): Likewise.
1239         (push<mode>1): Likewise.
1240         (movmisalign<mode>): Likewise.
1241         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1242         (avx_movdqu<avxmodesuffix>): Likewise.
1243         (avx_lddqu<avxmodesuffix>): Likewise.
1244         (<plusminus_insn><mode>3): Likewise.
1245         (*avx_<plusminus_insn><mode>3): Likewise.
1246         (*avx_vm<plusminus_insn><mode>3): Likewise.
1247         (mul<mode>3): Likewise.
1248         (*avx_mul<mode>3): Likewise.
1249         (*avx_vmmul<mode>3): Likewise.
1250         (divv8sf3): Likewise.
1251         (divv4df3): Likewise.
1252         (avx_div<mode>3): Likewise.
1253         (*avx_div<mode>3): Likewise.
1254         (*avx_vmdiv<mode>3): Likewise.
1255         (avx_rcpv8sf2): Likewise.
1256         (*avx_vmrcpv4sf2): Likewise.
1257         (sqrtv8sf2): Likewise.
1258         (avx_sqrtv8sf2): Likewise.
1259         (*avx_vmsqrt<mode>2): Likewise.
1260         (rsqrtv8sf2): Likewise.
1261         (avx_rsqrtv8sf2): Likewise.
1262         (*avx_vmrsqrtv4sf2): Likewise.
1263         (<code><mode>3): Likewise.
1264         (*avx_<code><mode>3_finite): Likewise.
1265         (*avx_<code><mode>3): Likewise.
1266         (*avx_vm<code><mode>3): Likewise.
1267         (*avx_ieee_smin<mode>3): Likewise.
1268         (*avx_ieee_smax<mode>3): Likewise.
1269         (avx_addsubv8sf3): Likewise.
1270         (avx_addsubv4df3): Likewise.
1271         (*avx_addsubv4sf3): Likewise.
1272         (*avx_addsubv2df3): Likewise.
1273         (avx_h<plusminus_insn>v4df3): Likewise.
1274         (avx_h<plusminus_insn>v8sf3): Likewise.
1275         (*avx_h<plusminus_insn>v4sf3): Likewise.
1276         (*avx_h<plusminus_insn>v2df3): Likewise.
1277         (avx_cmpp<avxmodesuffixf2c><mode>3): Likewise.
1278         (avx_cmps<ssemodesuffixf2c><mode>3): Likewise.
1279         (*avx_maskcmp<mode>3): Likewise.
1280         (avx_nand<mode>3): Likewise.
1281         (*avx_<code><mode>3): Likewise.
1282         (*avx_nand<mode>3): Likewise.
1283         (*avx_<code><mode>3): Likewise.
1284         (*avx_cvtsi2ss): Likewise.
1285         (*avx_cvtsi2ssq): Likewise.
1286         (*avx_cvtsi2sd): Likewise.
1287         (*avx_cvtsi2sdq): Likewise.
1288         (*avx_cvtsd2ss): Likewise.
1289         (avx_cvtss2sd): Likewise.
1290         (avx_cvtdq2ps<avxmodesuffix>): Likewise.
1291         (avx_cvtps2dq<avxmodesuffix>): Likewise.
1292         (avx_cvttps2dq<avxmodesuffix>): Likewise.
1293         (*avx_cvtsi2sd): Likewise.
1294         (*avx_cvtsi2sdq): Likewise.
1295         (avx_cvtdq2pd256): Likewise.
1296         (avx_cvtpd2dq256): Likewise.
1297         (avx_cvttpd2dq256): Likewise.
1298         (*avx_cvtsd2ss): Likewise.
1299         (*avx_cvtss2sd): Likewise.
1300         (avx_cvtpd2ps256): Likewise.
1301         (avx_cvtps2pd256): Likewise.
1302         (*avx_movhlps): Likewise.
1303         (*avx_movlhps): Likewise.
1304         (avx_unpckhps256): Likewise.
1305         (*avx_unpckhps): Likewise.
1306         (avx_unpcklps256): Likewise.
1307         (*avx_unpcklps): Likewise.
1308         (avx_movshdup256): Likewise.
1309         (avx_movsldup256): Likewise.
1310         (avx_shufps256): Likewise.
1311         (avx_shufps256_1): Likewise.
1312         (*avx_shufps_<mode>): Likewise.
1313         (*avx_loadhps): Likewise.
1314         (*avx_storelps): Likewise.
1315         (*avx_loadlps): Likewise.
1316         (*avx_movss): Likewise.
1317         (*vec_dupv4sf_avx): Likewise.
1318         (*vec_concatv2sf_avx): Likewise.
1319         (*vec_concatv4sf_avx): Likewise.
1320         (*vec_setv4sf_0_avx): Likewise.
1321         (*vec_setv4sf_avx): Likewise.
1322         (*avx_insertps): Likewise.
1323         (avx_vextractf128<mode>): Likewise.
1324         (vec_extract_lo_<mode>): Likewise.
1325         (vec_extract_hi_<mode>): Likewise.
1326         (vec_extract_lo_<mode>): Likewise.
1327         (vec_extract_hi_<mode>): Likewise.
1328         (vec_extract_lo_v16hi): Likewise.
1329         (vec_extract_hi_v16hi): Likewise.
1330         (vec_extract_lo_v32qi): Likewise.
1331         (vec_extract_hi_v32qi): Likewise.
1332         (avx_unpckhpd256): Likewise.
1333         (*avx_unpckhpd): Likewise.
1334         (avx_movddup256): Likewise.
1335         (*avx_movddup): Likewise.
1336         (avx_unpcklpd256): Likewise.
1337         (*avx_unpcklpd): Likewise.
1338         (avx_shufpd256): Likewise.
1339         (avx_shufpd256_1): Likewise.
1340         (*avx_punpckhqdq): Likewise.
1341         (*avx_punpcklqdq): Likewise.
1342         (*avx_shufpd_<mode>): Likewise.
1343         (*avx_storehpd): Likewise.
1344         (*avx_loadhpd): Likewise.
1345         (*avx_loadlpd): Likewise.
1346         (*avx_movsd): Likewise.
1347         (*vec_concatv2df_avx): Likewise.
1348         (*avx_<plusminus_insn><mode>3): Likewise.
1349         (*avx_<plusminus_insn><mode>3): Likewise.
1350         (*avx_mulv8hi3): Likewise.
1351         (*avxv8hi3_highpart): Likewise.
1352         (*avx_umulv8hi3_highpart): Likewise.
1353         (*avx_umulv2siv2di3): Likewise.
1354         (*avx_mulv2siv2di3): Likewise.
1355         (*avx_pmaddwd): Likewise.
1356         (*avx_mulv4si3): Likewise.
1357         (*avx_ashr<mode>3): Likewise.
1358         (*avx_lshr<mode>3): Likewise.
1359         (*avx_ashl<mode>3): Likewise.
1360         (*avx_<code><mode>3): Likewise.
1361         (*avx_eq<mode>3): Likewise.
1362         (*avx_gt<mode>3): Likewise.
1363         (*avx_nand<mode>3): Likewise.
1364         (*avx_nand<mode>3): Likewise.
1365         (*avx_<code><mode>3): Likewise.
1366         (*avx_<code><mode>3): Likewise.
1367         (*avx_packsswb): Likewise.
1368         (*avx_packssdw): Likewise.
1369         (*avx_packuswb): Likewise.
1370         (*avx_punpckhbw): Likewise.
1371         (*avx_punpcklbw): Likewise.
1372         (*avx_punpckhwd): Likewise.
1373         (*avx_punpcklwd): Likewise.
1374         (*avx_punpckhdq): Likewise.
1375         (*avx_punpckldq): Likewise.
1376         (*avx_pinsr<avxmodesuffixs>): Likewise.
1377         (*avx_pinsrq): Likewise.
1378         (*avx_loadld): Likewise.
1379         (*vec_extractv2di_1_rex64_avx): Likewise.
1380         (*vec_extractv2di_1_avx): Likewise.
1381         (*vec_dupv2di_avx): Likewise.
1382         (*vec_concatv2si_avx): Likewise.
1383         (*vec_concatv4si_1_avx): Likewise.
1384         (*vec_concatv2di_avx): Likewise.
1385         (*vec_concatv2di_rex64_avx): Likewise.
1386         (*avx_uavgv16qi3): Likewise.
1387         (*avx_uavgv8hi3): Likewise.
1388         (*avx_psadbw): Likewise.
1389         (avx_movmskp<avxmodesuffixf2c>256): Likewise.
1390         (*avx_phaddwv8hi3): Likewise.
1391         (*avx_phadddv4si3): Likewise.
1392         (*avx_phaddswv8hi3): Likewise.
1393         (*avx_phsubwv8hi3): Likewise.
1394         (*avx_phsubdv4si3): Likewise.
1395         (*avx_phsubswv8hi3): Likewise.
1396         (*avx_pmaddubsw128): Likewise.
1397         (*avx_pmulhrswv8hi3): Likewise.
1398         (*avx_pshufbv16qi3): Likewise.
1399         (*avx_psign<mode>3): Likewise.
1400         (*avx_palignrti): Likewise.
1401         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1402         (avx_blendvp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1403         (avx_dpp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1404         (*avx_mpsadbw): Likewise.
1405         (*avx_packusdw): Likewise.
1406         (*avx_pblendvb): Likewise.
1407         (*avx_pblendw): Likewise.
1408         (avx_vtestp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1409         (avx_ptest256): Likewise.
1410         (avx_roundp<avxmodesuffixf2c>256): Likewise.
1411         (*avx_rounds<ssemodesuffixf2c>): Likewise.
1412         (*avx_aesenc): Likewise.
1413         (*avx_aesenclast): Likewise.
1414         (*avx_aesdec): Likewise.
1415         (*avx_aesdeclast): Likewise.
1416         (avx_vzeroupper): Likewise.
1417         (avx_vzeroupper_rex64): Likewise.
1418         (avx_vpermil<mode>): Likewise.
1419         (avx_vpermilvar<mode>3): Likewise.
1420         (avx_vpermil2<mode>3): Likewise.
1421         (avx_vperm2f128<mode>3): Likewise.
1422         (avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1423         (avx_vbroadcastss256): Likewise.
1424         (avx_vbroadcastf128_p<avxmodesuffixf2c>256): Likewise.
1425         (avx_vinsertf128<mode>): Likewise.
1426         (vec_set_lo_<mode>): Likewise.
1427         (vec_set_hi_<mode>): Likewise.
1428         (vec_set_lo_<mode>): Likewise.
1429         (vec_set_hi_<mode>): Likewise.
1430         (vec_set_lo_v16hi): Likewise.
1431         (vec_set_hi_v16hi): Likewise.
1432         (vec_set_lo_v32qi): Likewise.
1433         (vec_set_hi_v32qi): Likewise.
1434         (avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1435         (avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1436         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
1437         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Likewise.
1438         (vec_init<mode>): Likewise.
1439         (*vec_concat<mode>_avx): Likewise.
1440         (blendbits): Support V8SF and V4DF.
1441         (sse2_movq128): Support AVX.
1442         (<sse>_movnt<mode>): Likewise.
1443         (sse2_movntv2di): Likewise.
1444         (sse_rcpv4sf2): Likewise.
1445         (sse_sqrtv4sf2): Likewise.
1446         (sse_rsqrtv4sf2): Likewise.
1447         (<sse>_comi): Likewise.
1448         (<sse>_ucomi): Likewise.
1449         (sse_cvtss2si): Likewise.
1450         (sse_cvtss2si_2): Likewise.
1451         (sse_cvtss2siq): Likewise.
1452         (sse_cvtss2siq_2): Likewise.
1453         (sse_cvttss2si): Likewise.
1454         (sse_cvttss2siq): Likewise.
1455         (sse2_cvtsd2si): Likewise.
1456         (sse2_cvtsd2si_2): Likewise.
1457         (sse2_cvtsd2siq): Likewise.
1458         (sse2_cvtsd2siq_2): Likewise.
1459         (sse2_cvttsd2si): Likewise.
1460         (sse2_cvttsd2siq): Likewise.
1461         (sse2_cvtdq2pd): Likewise.
1462         (*sse2_cvtpd2dq): Likewise.
1463         (*sse2_cvttpd2dq): Likewise.
1464         (*sse2_cvtpd2ps): Likewise.
1465         (sse2_cvtps2pd): Likewise.
1466         (sse3_movshdup): Likewise.
1467         (sse3_movsldup): Likewise.
1468         (sse_storehps): Likewise.
1469         (*sse4_1_extractps): Likewise.
1470         (sse2_storelpd): Likewise.
1471         (vec_dupv2df_sse3): Likewise.
1472         (*vec_concatv2df_sse3): Likewise.
1473         (*sse4_1_pextrb): Likewise.
1474         (*sse4_1_pextrb_memory): Likewise.
1475         (*sse2_pextrw): Likewise.
1476         (*sse4_1_pextrw_memory): Likewise.
1477         (*sse4_1_pextrd): Likewise.
1478         (*sse4_1_pextrq): Likewise.
1479         (sse2_pshufd_1): Likewise.
1480         (sse2_pshuflw_1): Likewise.
1481         (sse2_pshufhw_1): Likewise.
1482         (*sse2_storeq_rex64): Likewise.
1483         (*vec_dupv4si): Likewise.
1484         (<sse>_movmskp<ssemodesuffixf2c>): Likewise.
1485         (sse2_pmovmskb): Likewise.
1486         (*sse2_maskmovdqu): Likewise.
1487         (*sse2_maskmovdqu_rex64): Likewise.
1488         (sse_ldmxcsr): Likewise.
1489         (sse_stmxcsr): Likewise.
1490         (abs<mode>2): Likewise.
1491         (sse4_1_movntdqa): Likewise.
1492         (sse4_1_phminposuw): Likewise.
1493         (sse4_1_extendv8qiv8hi2): Likewise.
1494         (*sse4_1_extendv8qiv8hi2): Likewise.
1495         (sse4_1_extendv4qiv4si2): Likewise.
1496         (*sse4_1_extendv4qiv4si2): Likewise.
1497         (sse4_1_extendv2qiv2di2): Likewise.
1498         (*sse4_1_extendv2qiv2di2): Likewise.
1499         (sse4_1_extendv4hiv4si2): Likewise.
1500         (*sse4_1_extendv4hiv4si2): Likewise.
1501         (sse4_1_extendv2hiv2di2): Likewise.
1502         (*sse4_1_extendv2hiv2di2): Likewise.
1503         (sse4_1_extendv2siv2di2): Likewise.
1504         (*sse4_1_extendv2siv2di2): Likewise.
1505         (sse4_1_zero_extendv8qiv8hi2): Likewise.
1506         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
1507         (sse4_1_zero_extendv4qiv4si2): Likewise.
1508         (*sse4_1_zero_extendv4qiv4si2): Likewise.
1509         (sse4_1_zero_extendv2qiv2di2): Likewise.
1510         (*sse4_1_zero_extendv2qiv2di2): Likewise.
1511         (sse4_1_zero_extendv4hiv4si2): Likewise.
1512         (*sse4_1_zero_extendv4hiv4si2): Likewise.
1513         (sse4_1_zero_extendv2hiv2di2): Likewise.
1514         (*sse4_1_zero_extendv2hiv2di2): Likewise.
1515         (sse4_1_zero_extendv2siv2di2): Likewise.
1516         (*sse4_1_zero_extendv2siv2di2): Likewise.
1517         (sse4_1_ptest): Likewise.
1518         (sse4_1_roundp<ssemodesuffixf2c>): Likewise.
1519         (sse4_2_pcmpestri): Likewise.
1520         (sse4_2_pcmpestrm): Likewise.
1521         (sse4_2_pcmpistri): Likewise.
1522         (sse4_2_pcmpistrm): Likewise.
1523         (aesimc): Likewise.
1524         (aeskeygenassist): Likewise.
1525
1526 2008-08-28  Uros Bizjak  <ubizjak@gmail.com>
1527
1528         * config/i386/predicates.md (vzeroall_operation): New.
1529
1530         * config/i386/sse.md (avx_vzeroall): New.
1531         (*avx_vzeroall): Likewise.
1532
1533 2008-08-28  Paul Brook  <paul@codesourcery.com>
1534             Mark Shinwell  <shinwell@codesourcery.com>
1535             Richard Earnshaw  <richard.earnshaw@arm.com>
1536
1537         * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New.
1538         (TARGET_MIN_ANCHOR_OFFSET): New.
1539         (arm_override_options): Set correct anchor ranges for Thumb-1
1540         and Thumb-2 if required.
1541         (legitimize_pic_address): Handle case involving a TLS symbol
1542         reference with an addend.
1543         (arm_optimization_options): Enable section anchors at -O1 and
1544         above.
1545         * config/arm/arm.h (OPTIMIZATION_OPTIONS): New.
1546         * config/arm/arm-protos.h (arm_optimization_options): New.
1547
1548 2008-08-28  Nick Clifton  <nickc@redhat.com>
1549
1550         * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define.
1551         * config/stormy16/stormy16.md (zero_extendqihi2): Fix length
1552         attribute.
1553
1554         * config/v850/v850.h (IRA_COVER_CLASSES): Define.
1555         * config/v850/v850.md (return): Remove frame size restriction.
1556
1557         * config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
1558
1559         * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define.
1560
1561         * config/fr30/fr30.h (IRA_COVER_CLASSES): Define.
1562
1563         * config/m32r/m32r.h (IRA_COVER_CLASSES): Define.
1564
1565 2008-08-28  Paul Brook  <paul@codesourcery.com>
1566
1567         * config/arm/vfp11.md: Update license notice.
1568         * config/arm/cortex-r4.md: Ditto.
1569
1570 2008-08-28  Richard Guenther  <rguenther@suse.de>
1571
1572         PR tree-optimization/37207
1573         * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix
1574         tuplification bug.
1575
1576 2008-08-28  Dodji Seketeli  <dodji@redhat.com>
1577
1578         PR c++/36741
1579         * tree.c (int_fits_type_p): Don't forget unsigned integers
1580           of type sizetype which higher end word equals -1.
1581
1582 2008-08-28  Ira Rosen  <irar@il.ibm.com>
1583
1584         * target.h (struct vectorize): Add new target builtin.
1585         * tree-vectorizer.c (destroy_loop_vec_info): Call
1586         vect_free_slp_instance instead of vect_free_slp_node.
1587         * tree-vectorizer.h (enum slp_load_perm_type): New.
1588         (struct _slp_instance): Add new fields.
1589         (SLP_INSTANCE_LOAD_PERMUTATION): New.
1590         (SLP_INSTANCE_LOADS): New.
1591         (vect_free_slp_tree): Remove.
1592         (vect_free_slp_instance): Declare.
1593         (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
1594         (vectorizable_load): Add argument.
1595         (vect_transform_slp_perm_load): New.
1596         * tree-vect-analyze.c (vect_analyze_operations): Add an argument to
1597         vectorizable_load.
1598         (vect_get_place_in_interleaving_chain): New function.
1599         (vect_free_slp_tree): Make static.
1600         (vect_free_slp_instance): New function.
1601         (vect_build_slp_tree): Add new arguments. Allow load permutations and
1602         collect the load location in the interleaving chain.
1603         (vect_supported_slp_permutation_p): New function.
1604         (vect_supported_load_permutation_p): Likewise.
1605         (vect_analyze_slp_instance): In case of loads permutation, call
1606         vect_supported_load_permutation_p to check that the permutation is
1607         supported.
1608         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
1609         * tree-vect-transform.c (vect_transform_stmt): Add new argument.
1610         (vect_create_mask_and_perm): New function.
1611         (vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
1612         (vectorizable_load): Add an argument. Don't keep the created vectors
1613         statements in the node if permutation is required. Call
1614         vect_transform_slp_perm_load to generate the permutation.
1615         (vect_transform_stmt): Add new argument. Call vectorizable_load with
1616         additional argument.
1617         (vect_schedule_slp_instance): In case of loads permutation, allocate
1618         vectorized statements structure for all the related SLP nodes. Call
1619         vect_transform_stmt with addditional argument.
1620         (vect_transform_loop): Call vect_transform_stmt with correct arguments.
1621         * config/spu/spu.c (spu_builtin_vec_perm): New.
1622         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1623         * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
1624         * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
1625         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1626
1627 2008-08-28  Chris Fairles  <chris.fairles@gmail.com>
1628
1629         * gthr-posix.h (__gthread_create,  __gthread_join, __gthread_detach,
1630         __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock,
1631         __gthread_cond_signal, __gthread_cond_timedwait,
1632         __gthread_cond_timedwait_recursive): New functions.
1633         * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait):
1634         Likewise.
1635         * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming
1636         thread interfaces.
1637
1638 2008-08-28  Richard Guenther  <rguenther@suse.de>
1639
1640         PR middle-end/37005
1641         * fold-const.c (maybe_canonicalize_comparison_1): Require
1642         undefined overflow only for canonicalizing A +- CST cmp CST.
1643         Make sure to not generate new constants that are not inside
1644         their TYPE_MIN/MAX_VALUE range.
1645         (maybe_canonicalize_comparison): Remove undefined overflow
1646         checking from here.
1647         (fold_binary): Remove now duplicate folding.
1648
1649 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1650
1651         * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT
1652         use not updated in the last change.
1653
1654 2008-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
1655
1656         * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS.
1657         (IRA_COVER_CLASSES): Add FPUL_REGS.
1658
1659 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1660
1661         PR 37217
1662         * c-common.c (conversion_warning): Check for null operands.
1663
1664 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1665
1666         PR c/31673
1667         * c-decl.c (check_for_loop_decls): Improve error message. Give
1668         hint.
1669
1670 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1671
1672         PR c/37186
1673         * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter.
1674         (convert_for_assignment): Pass corrent OPT_W* parameter to
1675         WARN_FOR_ASSIGNMENT.
1676
1677 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1678
1679         PR c++/35321
1680         * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
1681
1682 2008-08-27  Paul Brook  <paul@codesourcery.com>
1683
1684         * config.gcc: Loosen checks for arm uclinux eabi targets.
1685
1686 2008-08-27  Paul Brook  <paul@codesourcery.com>
1687
1688         * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on
1689         _clzsi2.
1690         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
1691
1692 2008-08-26  Douglas Gregor  <doug.gregor@gmail.com>
1693
1694         * c-common.c (do_switch_warnings): Look through the CONST_DECLs in
1695         the enumerators of an ENUMERAL_TYPE.
1696         * dbxout.c (dbxout_type): Ditto.
1697
1698 2008-08-26  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1699
1700         PR rtl-opt/37219
1701         * fwprop.c (fwprop): Check that the loop_father is the outer loop.
1702         (fwprop_addr): Check that the loop_father is not the outer loop.
1703
1704 2008-08-26  Paul Brook  <paul@codesourcery.com>
1705
1706         * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types.
1707         Remove documentation entry for fmul type.
1708         Use fmuls to annotate single-precision multiplication patterns,
1709         fmuld to annotate double-precision multiplication patterns,
1710         fmacs to annotate single-precision multiply-accumulate patterns
1711         and fmacd to annotate double-precision multiply-accumulate patterns.
1712         * config/arm/vfp11.md: Update reservations accordingly.
1713         * config/arm/arm.md: Note that certain values of the "type"
1714         attribute are documented in vfp.md.
1715         * config/arm/arm1020e.md: Remove out of date duplicate comment.
1716         (v10_cvt): Use new fmul types.
1717
1718 2008-08-26  Paul Brook   <paul@codesourcery.com>
1719
1720         * config/arm/vfp.md: Move pipeline description for VFP11 to...
1721         * config/arm/vfp11.md: ...here.  New.
1722         * config/arm/arm.md: Include vfp11.md.
1723
1724 2008-08-26  Hans-Peter Nilsson  <hp@axis.com>
1725
1726         * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing
1727         parameter to inform call.
1728
1729 2008-08-26  Jeff Law  <law@redhat.com>
1730
1731         * mn10300.md (movqi, movhi): Split i->d*a case into two cases to
1732         avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
1733         preferred class when copying a constant into a partial word register.
1734
1735 2008-08-26  Ben Elliston  <bje@au.ibm.com>
1736
1737         * rtlanal.c: Fix uses of "it's" with "its" where appropriate.
1738         * cp/typeck.c: Likewise.
1739         * cp/tree.c: Likewise.
1740         * gimple-low.c: Likewise.
1741         * jump.c: Likewise.
1742
1743 2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>
1744
1745         * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
1746         ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
1747
1748         * doc/passes.texi: Describe IRA.
1749
1750         * doc/tm.texi (IRA_COVER_CLASSES,
1751         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
1752
1753         * doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
1754         (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
1755         -fira-propagate-cost, -fno-ira-share-save-slots,
1756         -fno-ira-share-spill-slots, -fira-verbose): Describe new options.
1757
1758         * flags.h (ira_algorithm): New enumeration.
1759         (flag_ira_algorithm, flag_ira_verbose): New external variable
1760         declarations.
1761
1762         * postreload.c (gate_handle_postreload): Don't do post reload
1763         optimizations unless the reload is completed.
1764
1765         * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
1766         IRA.
1767
1768         * tree-pass.h (pass_ira): New external variable declaration.
1769
1770         * reload.h: Add 2008 to the Copyright.
1771
1772         * cfgloopanal.c: Include params.h.
1773         (estimate_reg_pressure_cost): Decrease cost for IRA optimization
1774         mode.
1775
1776         * params.h (IRA_MAX_LOOPS_NUM): New macro.
1777
1778         * toplev.c (ira.h): New include.
1779         (flag_ira_algorithm, flag_ira_verbose): New external variables.
1780         (backend_init_target): Call ira_init.
1781         (backend_init): Call ira_init_once.
1782         (finalize): Call finish_ira_once.
1783
1784         * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
1785         flag_ira_share_save_slots, flag_ira_share_spill_slots): New
1786         external variables.
1787
1788         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1789         may_move_out_cost): New external variable declarations.
1790         (move_table): New typedef.
1791
1792         * caller-save.c: Include headers output.h and ira.h.
1793         (no_caller_save_reg_set): New global variable.
1794         (save_slots_num, save_slots): New variables.
1795         (reg_save_code, reg_restore_code, add_stored_regs): Add
1796         prototypes.
1797         (init_caller_save): Set up no_caller_save_reg_set.
1798         (init_save_areas): Reset save_slots_num.
1799         (saved_hard_reg): New structure.
1800         (hard_reg_map, saved_regs_num, all_saved_regs): New variables.
1801         (initiate_saved_hard_regs, new_saved_hard_reg,
1802         finish_saved_hard_regs, saved_hard_reg_compare_func): New
1803         functions.
1804         (setup_save_areas): Add code for sharing stack slots.
1805         (all_blocks): New variable.
1806         (save_call_clobbered_regs): Process pseudo-register too.
1807         (mark_set_regs): Process pseudo-register too.
1808         (insert_one_insn): Put the insn after bb note in a empty basic
1809         block.  Add insn check.
1810
1811         * global.c (eliminable_regset): Make it external.
1812         (mark_elimination): Use DF_LR_IN for IRA.
1813         (pseudo_for_reload_consideration_p): New.
1814         (build_insn_chain): Make it external.  Don't ignore spilled
1815         pseudos for IRA.  Use pseudo_for_reload_consideration_p.
1816         (gate_handle_global_alloc): New function.
1817         (pass_global_alloc): Add the gate function.
1818
1819         * opts.c (decode_options): Set up flag_ira.  Print the warning for
1820         -fira.
1821         (common_handle_option): Process -fira-algorithm and -fira-verbose.
1822
1823         * timevar.def (TV_IRA, TV_RELOAD): New passes.
1824
1825         * regmove.c (regmove_optimize): Don't do replacement of output for
1826         IRA.
1827
1828         * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
1829         New external variable declarations.
1830
1831         * local-alloc.c (update_equiv_regs): Make it external.  Return
1832         true if jump label rebuilding should be done.  Rescan new_insn for
1833         notes.
1834         (gate_handle_local_alloc): New function.
1835         (pass_local_alloc): Add the gate function.
1836
1837         * alias.c (value_addr_p, stack_addr_p): New functions.
1838         (nonoverlapping_memrefs_p): Use them for IRA.
1839
1840         * common.opt (fira, fira-algorithm, fira-coalesce,
1841         fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
1842         fira-verbose): New options.
1843
1844         * regclass.c (reg_class_subclasses, contains_reg_of_mode,
1845         move_cost, may_move_in_cost, may_move_out_cost): Make the
1846         variables external.
1847         (move_table): Remove typedef.
1848         (init_move_cost): Make it external.
1849         (allocate_reg_info, resize_reg_info, setup_reg_classes): New
1850         functions.
1851
1852         * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
1853         setup_reg_classes): New function prototypes.
1854         (eliminable_regset): New external variable declaration.
1855         (build_insn_chain, update_equiv_regs): New function prototypes.
1856
1857         * Makefile.in (IRA_INT_H): New definition.
1858         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1859         ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
1860         (reload1.o, toplev.o): Add dependence on ira.h.
1861         (cfgloopanal.o): Add PARAMS_H.
1862         (caller-save.o): Add dependence on output.h and ira.h.
1863         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1864         ira-emit.o, ira-lives.o): New entries.
1865
1866         * passes.c (pass_ira): New pass.
1867
1868         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
1869
1870         * reload1.c (ira.h): Include the header.
1871         (changed_allocation_pseudos): New bitmap.
1872         (init_reload): Initiate the bitmap.
1873         (compute_use_by_pseudos): Permits spilled registers in FROM.
1874         (temp_pseudo_reg_arr): New variable.
1875         (reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
1876         IRA.  Call alter_reg with the additional parameter.  Don't clear
1877         spilled_pseudos for IRA.  Restore original insn chain for IRA.
1878         Clear changed_allocation_pseudos at the end of reload.
1879         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
1880         (hard_regno_to_pseudo_regno): New variable.
1881         (count_pseudo): Check spilled pseudos.  Set up
1882         hard_regno_to_pseudo_regno.
1883         (count_spilled_pseudo): Check spilled pseudos. Update
1884         hard_regno_to_pseudo_regno.
1885         (find_reg): Use better_spill_reload_regno_p.  Check
1886         hard_regno_to_pseudo_regno.
1887         (alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
1888         code for IRA.
1889         (eliminate_regs_1): Use additional parameter for alter_reg.
1890         (finish_spills): Set up pseudo_previous_regs only for spilled
1891         pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
1892         more arguments.  Don't clear live_throughout and dead_or_set for
1893         spilled pseudos.  Use additional parameter for alter_reg.  Call
1894         mark_allocation_change.  Set up changed_allocation_pseudos.
1895         Remove sanity check.
1896         (emit_input_reload_insns, delete_output_reload): Use additional
1897         parameter for alter_reg.  Call mark_allocation_change.
1898         (substitute, gen_reload_chain_without_interm_reg_p): New
1899         functions.
1900         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
1901
1902         * testsuite/gcc.dg/20080410-1.c: New file.
1903
1904         * config/s390/s390.h (IRA_COVER_CLASSES,
1905         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
1906
1907         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1908
1909         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1910
1911         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1912
1913         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1914
1915         * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
1916
1917         * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
1918
1919         2008-08-24  Jeff Law  <law@redhat.com>
1920         * ira.c (setup_reg_class_intersect_union): Prefer smallest class
1921         when ignoring unavailable registers.
1922
1923         2008-08-24  Jeff Law  <law@redhat.com>
1924         * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
1925         FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
1926         * ira.c (setup_eliminable_regset): Check stack_realign_needed.
1927         * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
1928
1929         2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
1930         * ira-build.c (allocno_range_compare_func): Stabilize sort.
1931
1932         2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
1933         * config/avr/avr.h (IRA_COVER_CLASSES): New macro.
1934         * reload1.c (find_reg): Process registers in register allocation order.
1935
1936         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1937         * toplev.c (backend_init_target): Move ira_init call from
1938         here...
1939         (lang_dependent_init_target): ...to here.
1940
1941         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1942         * ira.c (setup_class_subset_and_memory_move_costs): Don't
1943         calculate memory move costs for NO_REGS.
1944
1945         2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
1946         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
1947         STACK_REGS is defined.
1948
1949         2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1950         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
1951
1952         2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
1953         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
1954
1955         2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
1956         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
1957         * config/sh/sh.md (movsicc_true+3): Check if emit returns a
1958         barrier.
1959
1960 2008-08-26  Victor Kaplansky  <victork@il.ibm.com>
1961             Dorit Nuzman  <dorit@il.ibm.com>
1962
1963         * gcc/config/spu/spu.md (vec_extract_evenv4si,
1964         vec_extract_evenv4sf, vec_extract_evenv8hi,
1965         vec_extract_evenv16qi, vec_extract_oddv4si,
1966         vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
1967         vec_interleave_highv4sf, vec_interleave_lowv4sf,
1968         vec_interleave_highv4si, vec_interleave_lowv4si,
1969         vec_interleave_highv8hi, vec_interleave_lowv8hi,
1970         vec_interleave_highv16qi, vec_interleave_lowv16qi,
1971         vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S
1972
1973 2008-08-25  Janis Johnson  <janis187@us.ibm.com>
1974
1975         PR target/36756
1976         * config/rs6000/rs6000.c (optimization_options): Don't default to
1977         section anchors without toplevel reorder.
1978
1979 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1980
1981         * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function.
1982         (mfc_end_critical_section): Likewise.
1983
1984 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1985
1986         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate
1987         all type qualifiers from element type to vector type.
1988
1989 2008-08-25  David Daney  <ddaney@avtrex.com>
1990
1991         * config/mips/mips.md (immediate_insn): Move up in file, fix
1992         comment typo, reformat.
1993         (fetchop_bit, atomic_hiqi_op memory_barrier,
1994         sync_compare_and_swap<mode>, compare_and_swap_12, sync_add<mode>,
1995         sync_<optab><mode>, sync_<optab>_12, sync_old_<optab><mode>,
1996         sync_old_<optab>_12, sync_new_<optab><mode>, sync_new_<optab>_12,
1997         sync_nand<mode>, sync_nand_12, sync_old_nand<mode>,
1998         sync_old_nand_12, sync_new_nand<mode>, sync_new_nand_12,
1999         sync_sub<mode>, sync_old_add<mode>, sync_old_sub<mode>,
2000         sync_new_add<mode>, sync_new_sub<mode>, sync_<optab><mode>,
2001         sync_old_<optab><mode>, sync_new_<optab><mode>, sync_nand<mode>,
2002         sync_old_nand<mode>, sync_new_nand<mode>,
2003         sync_lock_test_and_set<mode>, sync_lock_test_and_set<mode>,
2004         test_and_set_12): Moved to sync.md.
2005         (sync.md): Include.
2006         * config/mips/sync.md: New file.
2007
2008 2008-08-25  Richard Henderson  <rth@redhat.com>
2009
2010         * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT.
2011         (regsave): Likewise.
2012         (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT.
2013         (output_cfi_directive): Likewise.
2014         (div_data_align): New.
2015         (output_cfi): Use it.
2016
2017 2008-08-24  Adam Nemet  <anemet@caviumnetworks.com>
2018
2019         * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*.
2020         * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON.
2021         (TARGET_OCTEON): New macro.
2022         (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon.
2023         (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon.
2024         (ISA_HAS_POP): New macro.
2025         * config/mips/driver-native.c (host_detect_local_cpu): Handle
2026         Octeon.
2027         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2028         Handle Octeon.
2029         * config/mips/mips.md (cpu): Add octeon.
2030         (type): Add pop attribute value.
2031         (popcount<mode>2): New pattern.
2032         * doc/invoke.texi (-march=@var{arch}): Add octeon.
2033
2034 2008-08-24  Jan Hubicka  <jh@suse.cz>
2035
2036         * doc/invoke.texi (-fipa-cp-clone): New option.
2037         (-fipa-cp): Update docs.
2038         (--param ipcp-unit-growth):New.
2039         * ipa-cp.c: Include fibheap.h, params.h
2040         (ipcp_initialize_node_lattices): When not cloning, all externally
2041         visible functions are bottom.
2042         (ipcp_need_redirect_p): Accept clones.
2043         (ipcp_insert_stage): Use cost driven heuristics.
2044         (max_count, dead_nodes): New static vars.
2045         (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost,
2046         ipcp_const_param_count): New functions.
2047         * common.opt (ipa-cp-clone): New command line option.
2048         * params.def (ipcp-unit-growth): New.
2049
2050 2008-08-24  Jan Hubicka  <jh@suse.cz>
2051
2052         * tree-inline.c (tree_function_versioning): Look harder
2053         for referenced vars.
2054
2055 2008-08-24  Razya Ladelsky  <razya@il.ibm.com>
2056
2057         PR tree-optimization/37185
2058         * matrix-reorg.c (transform_access_sites): Update changed stmt.
2059
2060 2008-08-23  Jan Hubicka  <jh@suse.cz>
2061
2062         * ipa-cp.c (ipcp_analyze_node): New function.
2063         (ipcp_update_cloned_node): Use it.
2064         (ipcp_init_stage): Likewise.
2065         * ipa-inline.c (function_insertion_hook_holder): New static var.
2066         (analyze_function): Break out from ....
2067         (inline_generate_summary): Here; register insertion hook.
2068         (cgraph_decide_inlining): Remove hook.
2069         (add_new_function): New function.
2070
2071 2008-08-23  Jan Hubicka  <jh@suse.cz>
2072
2073         * opts.c (decode_options): Revert accidental change enabling ipa-cp.
2074
2075 2008-08-23  Jan Hubicka  <jh@suse.cz>
2076
2077         * ipa-cp.c (constant_val_insert): Remove.
2078         (ipcp_propagate_one_const): Remove.
2079         (ipcp_create_replace_map): Always insert replacements to the map.
2080         (ipcp_insert_stage): Do not try to insert statements by hand.
2081         * tree-inline.c (insert_init_stmt): Break out from ...
2082         (setup_one_parameter): ... here; allow NULL BB pointer.
2083         (tree_function_versioning): Use setup_one_parameter to process
2084         replacement map.
2085
2086 2008-08-23  Jan Hubicka  <jh@suse.cz>
2087
2088         * tree.c (decl_address_ip_invariant_p): New function.
2089         * tree.h (decl_address_ip_invariant_p): Declare.
2090         * gimple.c (strip_invariant_refs): Break out from ...
2091         (is_gimple_invariant_address): ... here
2092         (is_gimple_ip_invariant_address): New function.
2093         (is_gimple_ip_invariant): New function.
2094         * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant):
2095         Declare.
2096
2097         * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF.
2098         (ipcp_lat_is_insertable): All constants are insertable.
2099         (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of
2100         IPA_CONST_VALUE_REF.
2101         (ipcp_initialize_node_lattices): Propagate all types of operands.
2102         (build_const_val): Do not handle IPA_CONST_VALUE_REF.
2103         (ipcp_create_replace_map): Reformat.
2104         (ipcp_need_redirect_p): Simplify.
2105         (ipcp_insert_stage): Check that argument is used before clonning.
2106         * ipa-prop.c (ipa_print_node_jump_functions): Do not handle IPA_CONST_REF.
2107         (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat.
2108         (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members.
2109         (update_call_notes_after_inlining): Expect ADDR_EXPR in operand.
2110         * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF.
2111         (jump_func_type): Remove IPA_CONST_VALUE_REF.
2112         * tree-inline.c (tree_function_versioning): Add variables referenced by
2113         replacing trees.
2114
2115 2008-08-23  Jan Hubicka  <jh@suse.cz>
2116
2117         PR target/37094
2118         * i386.c (standard_80387_constant_p): Use optimize_size.
2119
2120 2008-08-23  Ira Rosen  <irar@il.ibm.com>
2121
2122         PR tree-optimization/37161
2123         * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare.
2124         * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function.
2125         (vect_determine_vectorization_factor): Move the scalar type
2126         retrieval to vect_get_smallest_scalar_type.
2127         (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get
2128         scalar type. Remove redundant computation.
2129         * tree-vect-transform.c (vect_get_constant_vectors): Add argument.
2130         (vect_get_slp_defs): Take the type of RHS into account if
2131         necessary by calling vect_get_smallest_scalar_type. Call
2132         vect_get_constant_vectors with additional argument.
2133
2134 2008-08-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2135
2136         PR 35648
2137         * doc/invoke.texi (Wwrite-strings): Clarify description.
2138
2139 2008-08-23  Ira Rosen  <irar@il.ibm.com>
2140
2141         PR tree-optimization/37174
2142         * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the
2143         def stmt is a part of the loop before accessing its stmt_vec_info.
2144
2145 2008-08-22  Anatoly Sokolov  <aesok@post.ru>
2146
2147         PR target/11259
2148         * config/avr/avr.md (UNSPEC_SWAP): New constants.
2149         (*swap): New insn pattern.
2150         (*ashlqi3): Rename from ashlqi3 insn pattern.
2151         (ashlqi3): New expanders.
2152         (*lshrqi3): Rename from lshrqi3 insn pattern.
2153         (lshrqi3): New expanders.
2154         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
2155         lshrqi3_const5, lshrqi3_const6): New splitters.
2156         (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
2157         lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
2158         peephole2 patterns.
2159
2160 2008-08-22  Richard Guenther  <rguenther@suse.de>
2161
2162         PR tree-optimization/37078
2163         * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
2164         [+INF, +INF] ranges.
2165
2166 2008-08-22  Richard Guenther  <rguenther@suse.de>
2167
2168         PR tree-optimization/37143
2169         * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
2170         a conversion statement instead of a copy.
2171
2172 2008-08-22  Uros Bizjak  <ubizjak@gmail.com>
2173
2174         PR target/37184
2175         * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
2176         CCCmode, CCOmode and CCSmode destination modes.
2177
2178         PR target/37191
2179         * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
2180         from different units in a single alternative.
2181         (*vec_extractv2sf_1): Ditto.
2182         (*vec_extractv2si_0): Ditto.
2183         (*vec_extractv2si_1): Ditto.
2184         * config/i386/sse.md (sse2_storehpd): Ditto.
2185         (sse2_storelpd): Ditto.
2186         (sse2_loadhpd): Ditto.
2187         (sse2_loadlpd): Ditto.
2188
2189         PR target/37197
2190         * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
2191         (popcountsi2): Ditto.
2192         (clzdi2_abm): Ditto.
2193         (popcountdi2): Ditto.
2194         (clzhi2_abm): Ditto.
2195         (popcounthi2): Ditto.
2196
2197 2008-08-22  Richard Guenther  <rguenther@suse.de>
2198
2199         PR middle-end/36548
2200         PR middle-end/37125
2201         * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
2202         if the multiplication does not overflow.
2203
2204 2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>
2205
2206         * c-ppoutput.c (init_pp_output): Initialize src_line to 1.
2207
2208 2008-08-21  Richard Henderson  <rth@redhat.com>
2209
2210         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
2211         spurrious comma from test.
2212         * configure: Rebuild.
2213
2214 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2215
2216         PR 30457
2217         * builtins.c (fold_builtin_next_arg): Add warning about undefined
2218         behaviour.
2219
2220 2008-08-21  Aldy Hernandez  <aldyh@redhat.com>
2221
2222         * c-tree.h (grokfield): New argument.
2223         * c-decl.c (grokfield): Handle new location argument.
2224         * c-parser.c (c_parser_struct_declaration): Pass location to
2225         grokfield.
2226
2227 2008-08-21  Richard Guenther  <rguenther@suse.de>
2228
2229         * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.
2230
2231 2008-08-21  Jan Hubicka  <jh@suse.cz>
2232
2233         * cgraph.c (first_cgraph_function_insertion_hook): New variable.
2234         (cgraph_add_function_insertion_hook,
2235         cgraph_remove_function_insertion_hook,
2236         cgraph_call_function_insertion_hooks): New functions.
2237         * cgraph.h (cgraph_add_function_insertion_hook,
2238         cgraph_remove_function_insertion_hook,
2239         cgraph_call_function_insertion_hooks): Declare.
2240         * ipa-reference.c (function_insertion_hook_holder): New variable.
2241         (check_operand, look_for_address_of): When checking late, do not care
2242         about module bitmaps.
2243         (add_new_function): New function.
2244         (generate_summary): Register hooks; zero module bitmaps.
2245         (propagate): Unregister hooks.
2246         * ipa-pure-const.c (function_insertion_hook_holder): New variable.
2247         (add_new_function): New function.
2248         (generate_summary): Register hook.
2249         (propagate): Remove hook.
2250
2251         * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.
2252
2253         * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
2254         * ipa-cp.c (ipcp_update_cloned_node): New function.
2255         (build_const_val): Handle functions correctly; bring type logic
2256         into sync with tree-inline.c
2257         (ipcp_init_stage):  Take care of computing stuff needed by
2258         indirect inlining; update clones.
2259         (ipcp_generate_summary): Break out of ipcp_driver.
2260         (ipcp_driver): Do only execution and transformation.
2261         (pass_ipa_cp): Make IPA_PASS.
2262         * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
2263         offset to address.
2264         * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
2265         ipcp, some info is already available.
2266         * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
2267         * tree-inline.c (remap_ssa_name): Unshare expression.
2268
2269 2008-08-21  Richard Guenther  <rguenther@suse.de>
2270
2271         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2272         a PHI ask VN if it is already available.
2273         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2274         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2275
2276 2008-08-21  Richard Guenther  <rguenther@suse.de>
2277
2278         PR middle-end/36817
2279         * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
2280         makes sure to produce a result of the correct type.
2281
2282 2008-08-21  Jan Hubicka  <jh@suse.cz>
2283         Backport from LTO branch:
2284
2285         2008-05-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2286                     Jan Hubicka  <jh@suse.cz>
2287
2288         * ipa-pure-const.c
2289         (init_state, finish_state, set_function_state, generate_summary):
2290         New functions.
2291         (scan_stmt): Renamed from scan_function.  Changed to keep state in
2292         local static vars rather than cgraph aux field.
2293         (propagate): Renamed from static_execute. Changed to keep state in
2294         local static vars rather than cgraph aux field.
2295         (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
2296         * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.
2297
2298         2008-07-15  Kenneth Zadeck <zadeck@naturalbridge.com>
2299
2300         * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
2301         * ipa-reference.c (init_function_info, generate_summary,
2302         propagate): New functions.
2303         (analyze_function):  Call init_function_info.
2304         (static_execute): Stripped into generate_summary and propagate.
2305         (pass_ipa_reference): Made into ipa_opt_pass.
2306
2307 2008-08-21  Richard Guenther  <rguenther@suse.de>
2308
2309         PR tree-optimization/37181
2310         * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
2311         folding result.
2312         (extract_range_from_unary_expr): Likewise.
2313
2314 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2315
2316         * diagnostic.c (pedwarn_at): Rename as pedwarn.
2317         (pedwarn): Delete.
2318         * toplev.h (pedwarn_at): Likewise.
2319         * builtins.c: Update all calls to pedwarn.
2320         * c-lex.c: Likewise.
2321         * toplev.c: Likewise.
2322         * c-tree.h: Likewise.
2323         * c-decl.c: Likewise.
2324         * c-errors.c: Likewise.
2325         * c-typeck.c: Likewise.
2326         * c-common.c: Likewise.
2327         * c-parser.c: Likewise.
2328
2329 2008-08-20  Joseph Myers  <joseph@codesourcery.com>
2330
2331         PR target/31070
2332         * config/sparc/sparc.c (function_arg_slotno): Handle structure
2333         with MODE_VECTOR_INT mode.
2334
2335 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2336
2337         PR middle-end/179
2338         * tree-ssa.c (warn_uninit): Do not warn for variables that can be
2339         initialized outside the current module.
2340         (warn_uninitialized_var): Ignore left-hand side when walking the
2341         trees. Ignore address expressions. Examine VUSE operands in gimple
2342         statements with a variable declaration on the right-hand side.
2343
2344 2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>
2345
2346         PR bootstrap/37155
2347         * rtlanal.c (subreg_offset_representable_p): Revert last change.
2348
2349 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2350
2351         PR 35701
2352         * c-common.c (conversion_warning): Do not warn if applying bit-and
2353         operator to unsigned constant that fits in the target type.
2354
2355 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2356
2357         PR c++/35602
2358         * c-common.c (conversion_warning): Do not warn for artificial
2359         expressions.
2360
2361 2008-08-20  Richard Guenther  <rguenther@suse.de>
2362
2363         * tree-vrp.c (op_with_constant_singleton_value_range): New function.
2364         (extract_range_from_binary_expr): Fall back to constant propagation.
2365         (extract_range_from_unary_expr): Likewise.
2366
2367 2008-08-20  Richard Guenther  <rguenther@suse.de>
2368
2369         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
2370         with TREE_THIS_VOLATILE on shared nodes.
2371         (fold_stmt_r): Likewise.
2372
2373 2008-08-20  Jakub Jelinek  <jakub@redhat.com>
2374
2375         PR c/37171
2376         * c-parser.c (c_parser_attributes): For keywords use canonical
2377         spelling for attr_name.
2378
2379 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2380
2381         * value-prof.c (check_counter): Revert wrong call to error.
2382
2383 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2384
2385         * profile.c: Update calls to inform.
2386         * value-prof.c: Update calls to inform.
2387
2388 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2389
2390         * diagnostic.c (inform): Add an explicit location_t parameter.
2391         * toplev.h (inform): Update declaration.
2392         * builtins.c: Update all calls to inform.
2393         * c-common.c: Likewise.
2394         * c-decl.c: Likewise.
2395         * c-opts.c: Likewise.
2396         * c-pch.c: Likewise.
2397         * c-pragma.c: Likewise.
2398         * c-typeck.c: Likewise.
2399         * coverage.c: Likewise.
2400         * opts.c: Likewise.
2401         * toplev.c: Likewise.
2402         * tree-cfg.c: Likewise.
2403         * tree-ssa.c: Likewise.
2404
2405 2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>
2406
2407         PR target/37169
2408         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
2409         V2DI mode, for SSE4.1, use movq instead of vector set if the
2410         second element is zero and inter-unit moves are OK.
2411
2412 2008-08-20  Richard Guenther  <rguenther@suse.de>
2413
2414         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
2415         properly handle conversion/copy chains after tuplification.
2416
2417 2008-08-20  Richard Guenther  <rguenther@suse.de>
2418
2419         * passes.c (init_optimization_passes): Move the second
2420         forwprop pass before alias computation.  Remove the second
2421         DCE pass.  Remove the first dominator and phi copy/const
2422         prop passes.
2423
2424 2008-08-20  Nick Clifton  <nickc@redhat.com>
2425
2426         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
2427         support of this feature.  Do not assume that a sufficiently new
2428         assembler will support the feature regardless of the target type.
2429         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
2430         * configure: Regenerate.
2431
2432 2008-08-20  Richard Guenther  <rguenther@suse.de>
2433
2434         * tree-vrp.c (found_in_subgraph): Remove.
2435         (live): New global static.
2436         (live_on_edge): New function.
2437         (blocks_visited): Remove.
2438         (register_edge_assert_for_2): Use live_on_edge.
2439         (find_conditional_asserts): Remove code dealing with
2440         found_in_subgraph.  Do not walk the CFG.
2441         (find_switch_asserts): Likewise.
2442         (find_assert_locations_1): Renamed from find_assert_locations.
2443         Move finding assert locations for conditional and switch
2444         statements first.  Update live bitmap.  Do not walk the CFG.
2445         (find_assert_locations): New function.
2446         (insert_range_assertions): Remove entry of CFG walk.
2447         Adjust call to find_assert_locations.
2448         * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
2449         that only can appear because of fake exit edges but assert we
2450         never try to insert on those.
2451         (fini_pre): Do not remove fake exit edges here...
2452         (execute_pre): ...but here, before committing edge inserts.
2453
2454 2008-08-19  Richard Guenther  <rguenther@suse.de>
2455
2456         * passes.c (init_optimization_passes): Exchange store-ccp
2457         with a ccp pass.
2458
2459 2008-08-19  Rafael Espindola  <espindola@google.com>
2460
2461         * varasm.c (weak_decls): Move earlier in the file.
2462         (assemble_external): Add weak decls to the weak_decls list.
2463         (declare_weak): Don't add decls to the weak_decls list.
2464
2465 2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>
2466
2467         PR target/37157
2468         * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
2469         before (sse2_shufpd_<mode>).
2470
2471 2008-08-19  Jakub Jelinek  <jakub@redhat.com>
2472
2473         PR debug/37156
2474         * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
2475         * tree.c (block_nonartificial_location): Likewise.
2476
2477 2008-08-19  Richard Guenther  <rguenther@suse.de>
2478
2479         PR tree-optimization/35972
2480         PR tree-optimization/23094
2481         * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
2482         parameter.
2483         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
2484         handle MISALIGNED_INDIRECT_REF.
2485         (get_ref_from_reference_ops): New helper.
2486         (vn_reference_lookup_pieces): Walk the use-def chain using the
2487         alias-oracle if requested.
2488         * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
2489         walking the use-def chain.
2490         (compute_avail): But not here.
2491         (create_component_ref_by_pieces_1): Properly handle
2492         MISALIGNED_INDIRECT_REF.
2493         (do_regular_insertion): Handle fully redundant
2494         expressions after PHI-translation also for SSA_NAME values, not
2495         only constants.  Correctly use edoubleprime for that.
2496
2497 2008-08-19  Ira Rosen  <irar@il.ibm.com>
2498
2499         * tree-vectorizer.c (supportable_widening_operation): Support
2500         multi-step conversion, return the number of steps in such conversion
2501         and the required intermediate types.
2502         (supportable_narrowing_operation): Likewise.
2503         * tree-vectorizer.h (vect_pow2): New function.
2504         (supportable_widening_operation): Change argument types.
2505         (supportable_narrowing_operation): Likewise.
2506         (vectorizable_type_promotion): Add an argument.
2507         (vectorizable_type_demotion): Likewise.
2508         * tree-vect-analyze.c (vect_analyze_operations): Call
2509         vectorizable_type_promotion and vectorizable_type_demotion with
2510         additional argument.
2511         (vect_get_and_check_slp_defs): Detect patterns.
2512         (vect_build_slp_tree): Add an argument, don't fail in case of multiple
2513         types.
2514         (vect_analyze_slp_instance): Don't fail in case of multiple types. Call
2515         vect_build_slp_tree with correct arguments. Calculate unrolling factor
2516         according to the smallest type in the loop.
2517         (vect_detect_hybrid_slp_stmts): Include statements from patterns.
2518         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
2519         supportable_widening_operation with correct arguments.
2520         * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
2521         operands lists according to the number of vector statements in left
2522         or right node, if exists.
2523         (vect_gen_widened_results_half): Remove unused argument.
2524         (vectorizable_conversion): Call supportable_widening_operation,
2525         supportable_narrowing_operation, and vect_gen_widened_results_half
2526         with correct arguments.
2527         (vectorizable_assignment): Change documentation, support multiple
2528         types in SLP.
2529         (vectorizable_operation): Likewise.
2530         (vect_get_loop_based_defs): New function.
2531         (vect_create_vectorized_demotion_stmts): Likewise.
2532         (vectorizable_type_demotion): Support loop-aware SLP and general
2533         multi-step conversion. Call vect_get_loop_based_defs and
2534         vect_create_vectorized_demotion_stmts for transformation.
2535         (vect_create_vectorized_promotion_stmts): New function.
2536         (vectorizable_type_promotion): Support loop-aware SLP and general
2537         multi-step conversion. Call vect_create_vectorized_promotion_stmts
2538         for transformation.
2539         (vectorizable_store): Change documentation, support multiple
2540         types in SLP.
2541         (vectorizable_load): Likewise.
2542         (vect_transform_stmt): Pass SLP_NODE to
2543         vectorizable_type_promotion and vectorizable_type_demotion.
2544         (vect_schedule_slp_instance): Move here the calculation of number
2545         of vectorized statements for each node from...
2546         (vect_schedule_slp): ... here.
2547         (vect_transform_loop): Call vect_schedule_slp without the last
2548         argument.
2549
2550 2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>
2551
2552         PR bootstrap/37152
2553         * tree-vect-transform.c (vect_create_epilog_for_reduction): Change =
2554         to == in assert statement.
2555         (vectorizable_reduction): Fix typo.
2556
2557 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2558
2559         PR bootstrap/37153
2560         * value-prof.c (check_counter): Dereference pointer to overall
2561         count when printing it.
2562
2563 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2564
2565         * profile.h: Really add it.
2566
2567 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2568
2569         * mcf.c: Really add it.
2570
2571 2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
2572             Vinodha Ramasamy  <vinodha@google.com>
2573
2574         * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
2575         count_scale.
2576         * value-prof.c (check_counter): Fix the counter if
2577         flag_profile_correction is true.
2578         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2579         tree_mod_subtract_transform):
2580         Follow check_counter parameter change.
2581         * common.opt (fprofile-correction): New option.
2582         * mcf.c: New file.
2583         * profile.h: Likewise.
2584         * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
2585         (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
2586         is_inconsistent, set_bb_counts, read_profile_edge_counts): New
2587         functions.
2588         (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
2589         flag_profile_correction is set.
2590
2591 2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>
2592
2593         * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.
2594
2595 2008-08-18  Tomas Bily  <tbily@suse.cz>
2596
2597         * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
2598         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
2599         CONVERT_EXPR_P.
2600         * tree-data-ref.c (split_constant_offset_1): Likewise.
2601         * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
2602         * tree-sra.c (sra_walk_expr): Likewise.
2603         * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
2604         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
2605         * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
2606         * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
2607         Likewise.
2608         * gimple.c (gimple_assign_unary_nop_p): Likewise.
2609         * tree-vect-transform.c (vectorizable_type_demotion)
2610         (vectorizable_type_promotion): Likewise.
2611         * tree-inline.c (expand_call_inline):
2612         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
2613         (forward_propagate_addr_expr_1, forward_propagate_comparison)
2614         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2615         * expr.c (expand_expr_real_1): Likewise.
2616         * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
2617         (gimple_assign_unary_useless_conversion_p): Likewise.
2618         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2619         * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
2620         * fold-const.c (fold_unary): Likewise.
2621         * tree.h (CONVERT_EXPR_P): Likewise.
2622         * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
2623         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
2624         * tree-vrp.c:
2625         (register_edge_assert_for_2, extract_range_from_unary_expr)
2626         (register_edge_assert_for_1): Likewise.
2627
2628 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2629
2630         * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
2631         dconst_third_ptr, dconst_sqrt2_ptr): Declare.
2632         (enum real_value_const): Delete.
2633         (get_real_const): Delete.
2634         * real.c (get_real_const): Delete.
2635         (dconst_e_ptr): Define.
2636         (dconst_third_ptr): Define.
2637         (dconst_sqrt2_ptr): Define.
2638         * builtins.c: Update all callers.
2639
2640 2008-08-18  Richard Guenther  <rguenther@suse.de>
2641
2642         * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
2643         statement iterator after statement removal.
2644
2645 2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>
2646
2647         * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
2648         (detect_processor_freebsd): Likewise.
2649         (host_detect_local_cpu): Call newly added functions for FreeBSD.
2650
2651 2008-08-18  Richard Guenther  <rguenther@suse.de>
2652
2653         * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
2654         and loads have the correct types.
2655
2656 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2657
2658         PR cpp/7263
2659         * c-opts.c (cpp_opts): Remove static.
2660         * c-parser.c (cpp_opts): Declare it extern.
2661         (disable_extension_diagnostics): Handle cpp options.
2662         (enable_extension_diagnostics): Likewise.
2663
2664 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2665
2666         * diagnostics.c (permerror_at): Rename as permerror.
2667         (permerror): Delete.
2668         * toplev.h: Likewise.
2669
2670 2008-08-18  Richard Guenther  <rguenther@suse.de>
2671
2672         * passes.c (init_optimization_passes): Remove cleanup_cfg1,
2673         sdse1 and addressables2 passes.  Replace dce1 with cddce1.
2674         Move call_cdce before build_alias.  Move copyrename2,
2675         cunrolli and ccp2 beafore build_alias.  Re-add addressable2
2676         right after final inlining.
2677         * tree-cfg.c (build_gimple_cfg): Do not dump function here.
2678         (pass_build_cfg): But instead via TODO_dump_func.
2679
2680 2008-08-18  Richard Guenther  <rguenther@suse.de>
2681
2682         * tree-sra.c (generate_element_init_1): Deal with NULL constructor
2683         element index.
2684         (scalarize_init): If we failed to generate some initializers
2685         do not generate zeros for not instantiated members.  Instead
2686         rely on the copy out.
2687         * tree-ssa-operands.c (get_addr_dereference_operands): Warn
2688         about missing flow-sensitive alias info only if we have
2689         aliases computed.
2690
2691 2008-08-17  Nick Clifton  <nickc@redhat.com>
2692
2693         * doc/extend.texi (Function Attributes): Fix typo in description
2694         if hot function attribute.
2695
2696 2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
2697             Richard Sandiford  <rdsandiford@googlemail.com>
2698
2699         * doc/install.texi (--with-mips-plt): Document.
2700         * doc/invoke.texi (-mplt, -mno-plt): Document.
2701         * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
2702         and handle ${with_mips_plt}.
2703         * config/mips/mips.opt (mplt): New option.
2704         * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
2705         (TARGET_ABICALLS_PIC2): Likewise.
2706         (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
2707         (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
2708         (ASM_SPEC): Use !mabi=* instead of !mabi*.
2709         (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
2710         to decide whether to output ".option picX" directives.
2711         * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
2712         Pass -call_nonpic rather than -KPIC for -mplt.
2713         (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
2714         on the command line.  Also remove it when -mabi=64 is used without
2715         -msym32.
2716         * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
2717         * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
2718         TARGET_ABICALLS_PIC0.
2719         (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
2720         TARGET_ABICALLS.
2721         (mips16_build_function_stub): Only output ".option pic" directives
2722         and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
2723         (mips16_build_call_stub): Fix comment and remove redundant
2724         ".set at"/"set .noat" directives.
2725         (mips_function_rodata_section): Use the default behaviour for
2726         TARGET_ABSOLUTE_ABICALLS.
2727         (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
2728         (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
2729         (mips_restore_gp): Do nothing if the current function doesn't use
2730         a global pointer.
2731         (mips_expand_prologue): Only save $gp if the current function uses it.
2732         Use a normal move for TARGET_ABICALLS_PIC0.
2733         (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
2734
2735 2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>
2736
2737         * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
2738         of function when handling GLOBAL_POINTER_REGNUM.
2739
2740 2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>
2741
2742         PR ada/20548
2743         * common.opt (-fstack-check): Do not declare the variable here.
2744         (-fstack-check=): New option variant.
2745         * doc/invoke.texi (Code Gen Options): Document it.
2746         * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
2747         (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
2748         (STACK_CHECK_STATIC_BUILTIN): New macro.
2749         * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
2750         * opts.c: Include expr.h.
2751         (common_handle_option) <OPT_fold_stack_check_>: New case.
2752         <OPT_fstack_check>: Likewise.
2753         * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
2754         consistently in the test for variable-sized types.  Adjust for
2755         new behaviour of flag_stack_check.
2756         * explow.c: Include except.h.
2757         (allocate_dynamic_stack_space): Do not take into account
2758         STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
2759         * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
2760         for variable-sized parameters.  Treat all parameters whose size is
2761         greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
2762         stack checking is enabled.
2763         * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
2764         size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
2765         if generic stack checking is enabled.
2766         (expand_function_end): Adjust for new behaviour of flag_stack_check.
2767         * reload1.c (reload): Likewise.
2768         * stmt.c (expand_decl): Assert that all automatic variables have
2769         fixed size at this point and remove dead code.
2770         * flags.h (stack_check_type): New enumeration type.
2771         (flag_stack_check): Declare.
2772         * toplev.c (flag_stack_check): New global variable.
2773         * Makefile.in (opts.o): Add dependency on EXPR_H.
2774         (explow.o): Add dependency on except.h.
2775
2776 2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>
2777
2778         * config/avr/avr.c (avr_override_options): Reduce value of
2779         PARAM_INLINE_CALL_COST.
2780
2781 2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>
2782
2783         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
2784         to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
2785         lieu of TYPE_MODE (type) throughout.
2786
2787 2008-08-15  Joseph Myers  <joseph@codesourcery.com>
2788
2789         * config/arm/arm.c (add_minipool_backward_ref): Check for
2790         8-byte-aligned entries in second case of forcing insertion after a
2791         particular entry.  Change third case to avoid inserting
2792         non-8-byte-aligned entries before 8-byte-aligned ones.
2793
2794 2008-08-15  Richard Guenther  <rguenther@suse.de>
2795
2796         * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
2797         strip components for unknown size accesses.
2798
2799 2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
2800
2801         * config/s390/2097.md New file.
2802         * config/s390/s390.md ("z10prop" attribute): Define none,
2803         z10_super, z10_super_E1, z10_super_A1, z10_super_c,
2804         z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
2805         z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
2806         possible values and apply them to insns as appropriate.
2807         ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
2808         ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
2809         fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
2810         fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
2811         values.
2812         ("bfp" mode attribute): Removed.  Every occurence replaced
2813         with <mode>.
2814         * config/s390/s390.c (struct "z10_cost"): Updated entries.
2815         * config/s390/2084.md (insn_reservation "x_itof"): Updated
2816           type attribute.
2817
2818 2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2819
2820         PR c/28152
2821         * c-parser.c (c_lex_one_token): Do not store the canonical spelling
2822         for keywords.
2823
2824 2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
2825
2826         * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
2827         additional argument. Support reduction when duplication is needed due
2828         to data-types of different sizes in the loop.
2829         (get_initial_def_for_induction): Fix printout.
2830         (vect_get_vec_def_for_stmt_copy): Support case where the
2831         vec_stmt_for_operand is a phi node.
2832         (vectorizable_reduction): Support reduction when duplication is needed
2833         due to data-types of different sizes in the loop.
2834         (vectorizable_call): Remove restriction to not vectorize in case we
2835         have data-types of different sizes in the loop.
2836         (vectorizable_conversion): Likewise.
2837         (vectorizable_operation): Likewise.
2838         (vectorizable_type_demotion): Likewise.
2839         (vectorizable_type_promotion): Likewise.
2840         (vectorizable_induction): Add restriction to not vectorize in case
2841         we have data-types of different sizes in the loop.
2842
2843 2008-08-14  Christophe Saout  <christophe@saout.de>
2844             Uros Bizjak  <ubizjak@gmail.com>
2845
2846         PR target/37101
2847         * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
2848         (*vec_concatv2di_rex64_sse4_1): Ditto.
2849         (*vec_concatv2di_rex64_sse): Ditto.
2850
2851 2008-08-14  Jakub Jelinek  <jakub@redhat.com>
2852
2853         PR middle-end/37103
2854         * fold-const.c (fold_widened_comparison): Do not allow
2855         sign changes that change the result even if shorter type
2856         is wider than arg1_unw's type.
2857
2858 2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
2859
2860         * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
2861         Skip if the multilib testing specifies -march that does not
2862         agree with the one specified in the testcase.
2863
2864 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2865
2866         * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
2867         zero extend SImode values being converted to TFmode before passing
2868         to libcalls.
2869
2870 2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2871
2872         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
2873         __PPU__ when targeting the Cell/B.E. PPU processor.
2874
2875 2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
2876
2877         * gimple.h (gimple_call_set_chain): Accept SSA variables.
2878         * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
2879         Rematerialize the static chain, if any.
2880         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
2881         static chain.
2882
2883 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2884
2885         * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
2886         (new_loc_descr): Likewise.
2887         (add_loc_descr): Likewise.
2888         (size_of_loc_descr): Likewise.
2889         (size_of_locs): Likewise.
2890         (output_loc_operands): Likewise.
2891         (output_loc_sequence): Likewise.
2892         (new_reg_loc_descr): New.
2893         (build_cfa_loc): Use it.
2894         (build_cfa_aligned_loc): Likewise.
2895         (one_reg_loc_descriptor): Likewise.
2896         (based_loc_descr): Likewise.
2897
2898 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2899
2900         PR 30551
2901         * doc/invoke.texi (Wmain): Update.
2902         * c-decl.c (start_decl): warn_main is only 0 or 1.
2903         (start_function): Likewise. Fix formatting.
2904         (finish_function): Delete redundant warning.
2905         * c.opt (Wmain): Add Var(warn_main) and Init(-1).
2906         * c-opts (c_common_handle_option): -Wall only has effect if
2907         warn_main is uninitialized. OPT_Wmain is automatically
2908         handled. -pedantic also enables Wmain.
2909         (c_common_post_options): Handle all logic for Wmain here.
2910         * c-common.c (warn_main): Delete.
2911         (check_main_parameter_types): Make pedwarns conditional on
2912         OPT_Wmain.
2913         * c-common.h (warn_main): Delete.
2914
2915 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2916
2917         PR middle-end/36701
2918         * expr.c (emit_group_store): Allocate stack temp with the
2919         largest alignment when copying from register to stack.
2920
2921 2008-08-13  Richard Guenther  <rguenther@suse.de>
2922
2923         * tree.h (maybe_fold_offset_to_address): Declare.
2924         * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
2925         (ccp_fold): Handle pointer conversions the same as fold_stmt.
2926         Likewise for POINTER_PLUS_EXPR.
2927         (maybe_fold_offset_to_reference): Enable disabled code.
2928         (maybe_fold_offset_to_address): New function.
2929         (fold_stmt_r): Use it.
2930         (fold_gimple_assign): Likewise.
2931         * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
2932         (gimplify_expr): Likewise.
2933
2934 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2935
2936         * toplev.h (pedwarn_at): Fix declaration.
2937
2938 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2939
2940         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2941         LINK_SPEC): Use %R in -Y P argument.
2942
2943 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2944
2945         PR c/15236
2946         * diagnostic.c (pedwarn_at): New.
2947         * toplev.h (pedwarn_at): Declare.
2948         * c-tree.h (build_enumerator): Update declaration.
2949         * c-decl.c (finish_enum): Update comment.
2950         (build_enumerator): Take a location parameter. Give a pedwarn but do
2951         not perform any conversion.
2952         * c-parser.c (c_parser_enum_specifier): Set correct location for
2953         enumerator.
2954
2955 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2956
2957         PR 35635
2958         * c-common.c (conversion_warning): Use a switch. Ignore boolean
2959         expressions except for conversions to signed:1 bitfields. Handle
2960         COND_EXPR with constant operands.
2961
2962 2008-08-13  Richard Guenther  <rguenther@suse.de>
2963
2964         PR tree-optimization/15255
2965         * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
2966         (struct oecount_s): New struct and VEC types.
2967         (cvec): New global.
2968         (oecount_hash): New function.
2969         (oecount_eq): Likewise.
2970         (oecount_cmp): Likewise.
2971         (zero_one_operation): New function.
2972         (build_and_add_sum): Likewise.
2973         (undistribute_ops_list): Perform un-distribution of multiplication
2974         and division on the chain of summands.
2975         (should_break_up_subtract): Also break up subtracts for factors.
2976         (reassociate_bb): Delete dead visited statements.
2977         Call undistribute_ops_list.  Re-sort and optimize if it did something.
2978         * passes.c (init_optimization_passes): Move DSE before
2979         reassociation.
2980         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
2981         PHI nodes.
2982
2983 2008-08-12  Janis Johnson  <janis187@us.ibm.com>
2984
2985         * doc/invoke.texi (-fipa-pta): Say the option is experimental.
2986
2987         * doc/invoke.texi: Revert unintended checkin.
2988
2989 2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
2990
2991         PR libgomp/26165
2992         * gcc.c (include_spec_function): Tweak call to find_a_file.
2993
2994 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2995
2996         PR middle-end/37014
2997         * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
2998         and TRUTH_ORIF_EXPR.
2999         * dojump.c (do_jump): Likewise.
3000
3001         PR tree-optimization/37084
3002         * tree-inline.c (copy_bb): Call gimple_regimplify_operands
3003         if id->regimplify, don't assume stmt is a cast assignment.
3004
3005 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
3006
3007         * final.c (final_scan_insn): Use app_enable/app_disable functions.
3008
3009 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3010
3011         PR bootstrap/37097
3012         * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
3013         by last change.
3014
3015 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3016
3017         * defaults.h (TARGET_FLOAT_FORMAT): Remove.
3018         (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
3019
3020         * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
3021         * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
3022         * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
3023         * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
3024         * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
3025
3026         * doc/tm.texi (Storage Layout): Remove documentation for
3027         TARGET_FLOAT_FORMAT.
3028
3029         * simplify-rtx.c (simplify_binary_operation_1): Replace
3030         TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
3031
3032 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3033
3034         * real.h (struct real_format): New member has_sign_dependent_rounding.
3035         * real.c (ieee_single_format, mips_single_format, motorola_single_format,
3036         spu_single_format, ieee_double_format, mips_double_format,
3037         motorola_double_format, ieee_extended_motorola_format,
3038         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
3039         ieee_extended_intel_96_round_53_format, ibm_extended_format,
3040         mips_extended_format, ieee_quad_format, mips_quad_format,
3041         vax_f_format, vax_d_format, vax_g_format): Initialize it.
3042         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
3043
3044         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
3045         MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
3046         * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
3047         MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
3048         (ROUND_TOWARDS_ZERO): Likewise.
3049
3050         * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
3051         (FLOAT_MODE_FORMAT): New macro.
3052         (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
3053         (MODE_COMPOSITE_P): ... this new macro.
3054         (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
3055         MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
3056         * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
3057
3058         * flags.h: Include "real.h".
3059
3060         * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
3061         REAL_MODE_FORMAT_COMPOSITE_P.
3062         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3063
3064         * doc/tm.texi (Storage Layout): Remove documentation of
3065         MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
3066         MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
3067         ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
3068         they only apply to libgcc2.a.
3069
3070 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3071
3072         * config/spu/float_disf.c: New file.
3073         * config/spu/float_unsdisf.c: New file.
3074         * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
3075         (LIB2FUNCS_EXCLUDE): Define.
3076
3077 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3078             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3079
3080         * real.h (struct real_format): New member round_towards_zero.
3081         * real.c (round_for_format): Respect fmt->round_towards_zero.
3082         (ieee_single_format, mips_single_format, motorola_single_format,
3083         spu_single_format, ieee_double_format, mips_double_format,
3084         motorola_double_format, ieee_extended_motorola_format,
3085         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
3086         ieee_extended_intel_96_round_53_format, ibm_extended_format,
3087         mips_extended_format, ieee_quad_format, mips_quad_format,
3088         vax_f_format, vax_d_format, vax_g_format): Initialize it.
3089         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
3090
3091         * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
3092         real_format to choose rounding mode when calling MPFR functions.
3093         (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
3094         (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
3095
3096         * real.h (real_to_decimal_for_mode): Add prototype.
3097         * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
3098         Respect target rounding mode when generating decimal representation.
3099         (real_to_decimal): New stub for backwards compatibility.
3100         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
3101         real_to_decimal_for_mode instead of real_to_decimal.
3102
3103         * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
3104
3105 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3106             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3107
3108         * real.c (spu_single_format): New variable.
3109         * real.h (spu_single_format): Declare.
3110
3111         * config/spu/spu.c (spu_override_options): Install SFmode format.
3112         (spu_split_immediate): Use integer mode to operate on pieces of
3113         floating-point values in all cases.
3114
3115         * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
3116         ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
3117         ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
3118
3119 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3120
3121         * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
3122
3123 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3124
3125         * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
3126
3127 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
3128
3129         PR c++/36688
3130         * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
3131         on the VAR_DECL instead of TYPE_READONLY on its type.
3132
3133 2008-08-12  Ira Rosen  <irar@il.ibm.com>
3134
3135         * tree-vectorizer.c: Depend on langhooks.h.
3136         (supportable_widening_operation): Add two arguments. Support double
3137         type conversions.
3138         (supportable_narrowing_operation): Likewise.
3139         * tree-vectorizer.h (supportable_widening_operation): Add two
3140         arguments.
3141         (supportable_narrowing_operation): Likewise.
3142         * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
3143         supportable_widening_operation with correct arguments.
3144         * tree-vect-transform.c (vectorizable_conversion): Likewise.
3145         (vectorizable_type_demotion): Support double type conversions.
3146         (vectorizable_type_promotion): Likewise.
3147         * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
3148
3149 2008-08-11  Michael Matz  <matz@suse.de>
3150
3151         * i386/i386.c (override_options): Move initialisation from
3152         flag_schedule_insns_after_reload to here from ...
3153         (optimization_options): ... here.
3154
3155 2008-08-11  Jakub Jelinek  <jakub@redhat.com>
3156
3157         PR rtl-optimization/36998
3158         * dwarf2out.c (compute_barrier_args_size_1,
3159         compute_barrier_args_size): Temporarily remove assertions.
3160
3161 2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3162
3163         PR middle-end/20644
3164         * tree-ssa.c (struct walk_data): Add new flag
3165         warn_possibly_uninitialized.
3166         (warn_uninitialized_var): Use it.
3167         (warn_uninitialized_vars): New.
3168         (execute_early_warn_uninitialized): Call it.
3169         (execute_late_warn_uninitialized): Likewise.
3170
3171 2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3172
3173         PR middle-end/36238
3174         * reload1.c (gen_reload): Guard calls to get_secondary_mem
3175         for memory subregs.
3176
3177 2008-08-09  Jan Hubicka  <jh@suse.cz>
3178
3179         PR target/37055
3180         * optabs.c (maybe_emit_unop_insn): Remove produced code if
3181         expansion failed.
3182         (expand_fix): Be prepared for expansion to fail.
3183         (expand_sfix_optab): Remove instructions if expansion failed.
3184
3185 2008-08-09  Anatoly Sokolov  <aesok@post.ru>
3186
3187         * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
3188         avr31 architecture.
3189         * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
3190         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3191
3192 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3193
3194         * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
3195         mips/t-libgcc-mips16 to tmake_file.
3196         * config/mips/mips-protos.h (mips_call_type): New enum.
3197         (mips_pic_base_register, mips_got_load): Declare.
3198         (mips_restore_gp): Take an rtx argument.
3199         (mips_use_pic_fn_addr_reg_p): Declare.
3200         (mips_expand_call): Replace the sibcall_p argument with
3201         a mips_call_type argument.  Add a lazy_p parameter.
3202         (mips_split_call): Declare.
3203         * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
3204         (MIPS16_PIC_TEMP): Likewise.
3205         (reg_class): Delete M16_NA_REGS.
3206         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
3207         (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
3208         (mips_split_hi_p): Declare.
3209         * config/mips/mips.c (mips_split_hi_p): New array.
3210         (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
3211         (mips_got_symbol_type_p): New function.
3212         (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
3213         (mips16_stub_function_p): New function.
3214         (mips16_local_function_p): Likewise.
3215         (mips_use_pic_fn_addr_reg_p): Likewise.
3216         (mips_cannot_force_const_mem): Return false for HIGHs.
3217         Extend CONST_INT and symbolic handling to MIPS16, using
3218         mips_symbol_insns to check that the base symbol type is a
3219         legitimate constant.  Reject GOT-based constants if
3220         TARGET_MIPS16_PCREL_LOADS.
3221         (mips_const_insns): Check targetm.cannot_force_const_mem when
3222         decomposing a symbolic base and a large offset.
3223         (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
3224         When calling a function that needs $25 from MIPS16 code,
3225         move the target address into $25 separately and add a USE
3226         to the call insn.
3227         (mips16_gp_pseudo_reg): Insert the initializer immediately
3228         before the first real insn.
3229         (mips_pic_base_register, mips_got_load): New functions.
3230         (mips_split_symbol): Generalize the name of the LO_SUM_OUT
3231         parameter to LOW_OUT.  Say that it can be any valid SET_SRC
3232         when splitting a load-address operation.  Split SYMBOL_GOT_DISP
3233         constants and highs of SYMBOL_GOT_PAGE_OFST constants.
3234         (mips_call_tls_get_addr): Update the call to mips_expand_call,
3235         also passing NULL_RTX rather than const0_rtx as the aux argument.
3236         (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
3237         instead of TARGET_EXPLICIT_RELOCS.
3238         (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
3239         (mips_load_call_address): Replace the sibcall_p argument with
3240         a mips_call_type argument.  Use mips_got_load.
3241         (mips16_local_alias): New structure.
3242         (mips16_local_aliases): New variable.
3243         (mips16_local_aliases_hash): New function.
3244         (mips16_local_aliases_eq): Likewise.
3245         (mips16_local_alias): Likewise.
3246         (mips16_stub_function): Likewise.
3247         (mips16_build_function_stub): Create a local alias for the target
3248         function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
3249         .cpload directive and an R_MIPS_NONE relocation for the target
3250         function, then load the alias rather than the function itself.
3251         Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
3252         (mips16_copy_fpr_return_value): Use mips16_stub_function and
3253         mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
3254         (mips16_build_call_stub): Replace the FN parameter with an
3255         FN_PTR parameter.  Force the address into a register if it
3256         isn't a call_insn_operand; don't rely on the caller to do this.
3257         If a call to a locally-defined and locally-binding MIPS16
3258         function must be made indirectly, redirect the call to the
3259         function's local alias.  Use mips16_stub_function_p,
3260         mips16_stub_function, mips_expand_call and use_reg.
3261         Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
3262         Use explicit %hi and %lo accesses where possible.
3263         Use MIPS_CALL to generate the correct code form of a
3264         jal instruction.  Add clobbers of $18 instead of uses.
3265         Update the call to mips_emit_call_insn.
3266         (mips_expand_call): Replace the SIBCALL_P argument with a
3267         mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
3268         Take a LAZY_P parameter.  Call mips16_build_call_stub first,
3269         allowing it to modify the call address.  Update the calls to
3270         mips_load_call_address and mips_emit_call_insn.
3271         (mips_split_call): New function.
3272         (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
3273         !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
3274         SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
3275         (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
3276         (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
3277         if TARGET_MIPS16.
3278         (mips_cprestore_slot): New function.
3279         (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
3280         and use mips_cprestore_slot.
3281         (mips_output_function_prologue): Handle TARGET_MIPS16 for
3282         LOADGP_OLDABI.
3283         (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
3284         then use a copygp_mips16 instruction to set up $28.
3285         (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
3286         (mips16_lay_out_constants): Call split_all_insns_noflow.
3287         (mips_reorg_process_insns): Explicitly set all_noreorder_p to
3288         false if TARGET_MIPS16.
3289         (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
3290         (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
3291         mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
3292         (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
3293         MIPS16 code.  Allow MIPS16 o32 PIC.
3294         (mips_override_options): Allow MIPS16 o32 PIC.
3295         * config/mips/mips.md: Lower CONST_GP_P moves into register moves
3296         after reload if TARGET_USE_GOT.
3297         (UNSPEC_COPYGP): New constant.
3298         (length): Use a default length of 8 for MIPS16 GOT loads.
3299         (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
3300         (*got_page<mode>): Check mips_split_hi_p.
3301         (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
3302         (unspec_got<mode>, unspec_call<mode>): New expanders.
3303         (load_got<mode>, load_call<mode>): Remove the length attributes.
3304         Use a got attribute instead of a type attribute.
3305         (copygp_mips16): New insn.
3306         (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
3307         (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
3308         (sibcall, sibcall_value, call, call_value): Update the calls
3309         to mips_expand_call.
3310         (call_internal, call_value_internal): Use mips_split_call.
3311         (call_value_multiple_internal): Likewise.
3312         (call_split): Move after call_internal (the insn it is split from).
3313         (call_internal_direct, call_value_internal_direct): Turn into
3314         define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
3315         (call_direct_split, call_value_direct_split): New patterns.
3316         * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
3317         and use M16_REGS instead of M16_NA_REGS.
3318         * config/mips/predicates.md (const_call_insn_operand): Replace
3319         the TARGET_ABSOLUTE_ABICALLS-based check with a more general
3320         mips_use_pic_fn_addr_reg_p check.
3321         (move_operand): Reject HIGHs if mips_split_hi_p.
3322         * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
3323         (__mips16_floatunsisf): Inline __mips16_floatsisf.
3324         (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
3325         * config/mips/libgcc-mips16.ver: New file.
3326         * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
3327         $(srcdir)/config/mips/libgcc-mips16.ver.
3328
3329 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3330
3331         * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
3332         (mips_unspec_address, mips_unspec_offset_high): Likewise.
3333         (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
3334         (mips16_cfun_returns_in_fpr_p): Likewise.
3335
3336 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3337
3338         * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
3339         * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
3340         rather than 4 to PC.
3341
3342 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3343
3344         * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
3345         (FUNCTION_PROFILER): Save the static chain pointer into $2
3346         beforehand and restore it aftewards.
3347         (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
3348         address directly into $25 and call the function through $25;
3349         do not clobber $3.  Pad the DImode version to cover the space
3350         left by the deleted $25 <- $3 move.
3351         (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
3352         the removal of the $25 <- $3 move.
3353         (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
3354         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
3355
3356 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3357             Daniel Jacobowitz  <dan@codesourcery.com>
3358
3359         * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
3360         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
3361         (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
3362         * config/mips/mips.c (mips_start_function_definition): New function.
3363         (mips_end_function_definition): Likewise.
3364         (mips_output_function_prologue): Use mips_start_function_definition.
3365         (mips_output_function_epilogue): Use mips_end_function_definition.
3366         (build_mips16_function_stub): Use mips_start_function_definition
3367         and mips_end_function_definition.
3368         (build_mips16_call_stub): Likewise.
3369
3370 2008-08-09  Richard Guenther  <rguenther@suse.de>
3371
3372         * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
3373         * gimple.h (gimple_call_fn): Adjust comment.
3374         (gimple_call_set_fndecl): New function.
3375         (gimple_call_fndecl): Adjust for GIMPLE_CALL no
3376         longer having bare FUNCTION_DECL operand.
3377         (gimple_call_return_type): Likewise.
3378         * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
3379
3380         * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
3381         (gimple_mod_pow2): Likewise.
3382         (gimple_mod_subtract): Likewise.
3383         (gimple_ic): Likewise.
3384         (gimple_stringop_fixed_value): Likewise.
3385         (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
3386         longer having bare FUNCTION_DECL operand.
3387         * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
3388         * omp-low.c (optimize_omp_library_calls): Likewise.
3389         * cgraphunit.c (update_call_expr): Likewise.
3390         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
3391         (execute_convert_to_rsqrt): Likewise.
3392         * cfgexpand.c (gimple_to_tree): Simplify.
3393         (release_stmt_tree): Fix for GIMPLE_CALL no longer having
3394         bare FUNCTION_DECL operand.
3395         * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
3396         (convert_gimple_call): Use gimple_call_fndecl.
3397         * c-common.c (c_warn_unused_result): Likewise.
3398
3399 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3400
3401         PR c/17880
3402         * c-typeck.c (digest_init): Call verify_sequence_points from here.
3403         (c_finish_return): Likewise.
3404         (c_start_case): Likewise.
3405         * c-common.c (warn_for_collisions_1): Use explicit location in
3406         warning.
3407         * c-parser.c (c_parser_condition): New. Call
3408         verify_sequence_points.
3409         (c_parser_paren_condition): Call c_parser_condition.
3410         (c_parser_for_statement): Call c_parser_condition.
3411
3412 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3413
3414         PR 36901
3415         * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.
3416         * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
3417         Moved from diagnostic.h
3418         (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
3419         DK_PERMERROR.
3420         (emit_diagnostic): New.
3421         (warning0, pedwarn0): Delete.
3422         (warning, warning_at, pedwarn, permerror): Return bool.
3423         * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
3424         Moved to diagnostic.c.
3425         (struct diagnostic_context): Use correct type for
3426         classify_diagnostic.
3427         (diagnostic_report_diagnostic): Update declaration.
3428         (emit_diagnostic): Declare.
3429         * errors.c (warning): Return bool.
3430         * errors.h (warning): Update declaration.
3431         * toplev.h (warning0, pedwarn0): Delete.
3432         (warning, warning_at, pedwarn, permerror): Return bool.
3433         * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
3434         * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
3435         inform. Update all calls.
3436         (diagnose_mismatched_decls): Check return value of warning/pedwarn
3437         before giving informative note.
3438         (implicit_decl_warning): Likewise.
3439         * c-typeck.c (build_function_call): Likewise.
3440         * tree-sssa.c (warn_uninit): Likewise.
3441         * builtins.c (gimplify_va_arg_expr): Likewise.
3442
3443 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3444
3445         PR 7651
3446         * doc/invoke.texi (-Wextra): Move warning from here...
3447         (-Wuninitialized): ... to here.
3448
3449 2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3450
3451         PR 28875
3452         * flags.h (set_Wunused): Delete
3453         * toplev.c (process_options): Handle Wunused flags here.
3454         * opts.c (maybe_warn_unused_parameter): Delete.
3455         (common_handle_option): Replace set_Wunused by warn_unused.
3456         (set_Wextra): Do not handle Wunused-parameter here.
3457         (set_Wunused): Delete.
3458         * c-opts.c (c_common_handle_option): Replace set_Wunused by
3459         warn_unused.
3460         * common.opt (Wunused): Add Var and Init.
3461         (Wunused-function): Likewise.
3462         (Wunused-label): Likewise.
3463         (Wunused-parameter): Likewise.
3464         (Wunused-value): Likewise.
3465         (Wunused-variable): Likewise.
3466
3467 2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
3468
3469         * doc/invoke.texi: Add cpu_type power7.
3470         * config.in (HAVE_AS_VSX): New.
3471         * config.gcc: Add cpu_type power7.
3472         * configure.ac (HAVE_AS_VSX): Check for assembler support of the
3473         VSX instructions.
3474         * configure: Regenerate.
3475         * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
3476         power5.
3477         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
3478         (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
3479         (EXTRA_SPECS): Add asm_cpu_power7 spec string.
3480
3481 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
3482
3483         * tree-vect-transform.c (vectorizable_conversion): Pass the integral
3484         type to vectorize.builtin_conversion.
3485         (vectorizable_conversion): Likewise.
3486         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
3487         integral type as input.
3488         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
3489         FIX_TRUNC_EXPR.
3490         (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
3491         and ALTIVEC_BUILTIN_VCTSXS.
3492         (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
3493         formatting.
3494
3495 2008-08-08  Richard Guenther  <rguenther@suse.de>
3496
3497         * tree-ssa-ccp.c (likely_value): Calls are not all varying.
3498         (surely_varying_stmt_p): Calls are varying only if they are
3499         non-builtin and not indirect or have no result.
3500         (ccp_fold): Re-instantiate code before the tuples merge.
3501
3502 2008-08-08  Richard Guenther  <rguenther@suse.de>
3503
3504         PR tree-optimization/37056
3505         * gimple.h (gimple_assign_rhs_class): New helper function.
3506         * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
3507         unary operations properly.
3508
3509 2008-08-07  Jan Hubicka  <jh@suse.cz>
3510
3511         * i386.h (ix86_size_cost): Declare.
3512         (ix86_cur_cost): New function macro.
3513         * i386.md (peepholes expanding size and splitters): Predicate by
3514         optimize_insn_for_speed_p.
3515         (peepholes reduce size and splitters): Predicate by
3516         optimize_insn_for_size_p.
3517         * i386.c (ix86_size_cost): Rename from ...
3518         (size_cost): This one.
3519         (override_options): Update.
3520         (decide_alg): Likewise.
3521         (ix86_expand_clear): Use RTL profile.
3522         (ix86_pad_returns): Use RTL profile.
3523
3524 2008-08-07  Jan Hubicka  <jh@suse.cz>
3525
3526         * recog.c (split_all_insns): Set RTL profile
3527         (peephole2_optimize): Likewise.
3528         * function.c (thread_prologue_and_epilogue_insns): Likewise.
3529         * combine.c (combine_instructions): Likewise.
3530
3531 2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3532
3533         * c-common.c (c_common_reswords): Also warn about keyword "bool".
3534
3535 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
3536
3537         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
3538         value in a6 after the set_frame_ptr insn.
3539
3540 2008-08-07  Richard Henderson  <rth@redhat.com>
3541
3542         PR debug/37033
3543         * gcc.c (cpp_options): Pass along -g*.
3544
3545 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
3546
3547         * config/arm/arm.c (output_move_neon): Update comment describing
3548         big-endian vector layout.
3549         (arm_assemble_integer): Do not handle big-endian NEON vectors
3550         specially.
3551         * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
3552         neon_vget_lane<mode>_sext_internal,
3553         neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
3554         element indices for big-endian.
3555
3556 2008-08-07  Richard Henderson  <rth@redhat.com>
3557
3558         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
3559         * configure, config.in: Rebuild.
3560         * debug.h (dwarf2out_do_cfi_asm): Declare.
3561         * c-cppbuiltin.c (c_cpp_builtins): Use it.
3562         * dwarf2out.c (dwarf2out_do_cfi_asm): New.
3563         (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
3564         dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.
3565
3566 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
3567
3568         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3569         movv2si_internal): Combine into mov<mode>_internal.
3570         (movv2si_internal_2): Remove.
3571
3572 2008-08-07  Jan Hubicka  <jh@suse.cz>
3573
3574         PR target/37048
3575         * i386.md (single stringop patterns): Enable unconditionally.
3576
3577 2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3578
3579         PR target/36992
3580         * config/i386/emmintrin.h (_mm_move_epi64): Use
3581         __builtin_ia32_movq128.
3582
3583         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
3584         (bdesc_args): Add IX86_BUILTIN_MOVQ128.
3585
3586         * config/i386/sse.md (sse2_movq128): New.
3587
3588         * doc/extend.texi: Document __builtin_ia32_movq128.
3589
3590 2008-08-07  Richard Guenther  <rguenther@suse.de>
3591
3592         PR middle-end/37042
3593         * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
3594         pointers can access anything.
3595
3596 2008-08-06  Jan Hubicka  <jh@suse.cz>
3597
3598         * optabs.c (emit_unop_insn): Break out to ...
3599         (maybe_emit_unop_insn): ... this one.
3600         (expand_sfix_optab): Use maybe variant.
3601         * optabs.h (maybe_emit_unop_insn): Declare.
3602
3603         * i386.md (mov0 patterns): Enable by default.
3604         (FP conversion expanders): Disable expansion of code expanding
3605         sequences when instruction should be optimized for size.
3606         (single strinop patterns): Enable when optimizing for size.
3607         (string expanders): Disable expanding of code expanding sequences
3608         when optimizning instruction for size.
3609         * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
3610         per BB basis.
3611         (ix86_fp_comparison_sahf_cost): Likewise.
3612         (ix86_expand_branch): Likewise.
3613         (ix86_expand_ashl_const): Likewise.
3614         (ix86_split_ashl): Likewise.
3615         (ix86_expand_strlen): Likewise.
3616         (ix86_emit_fp_unordered_jump): Likewie.
3617
3618 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3619
3620         * c-common.c: Fix typo.
3621         (c_common_reswords): Activate more C++ keyword warnings.
3622
3623         * matrix-reorg.c (compute_offset): Avoid C++ keywords.
3624
3625 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3626
3627         PR 26785
3628         * diagnostic.c (permerror_at): New.
3629         * toplev.h (permerror_at): Declare.
3630
3631 2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
3632             Ira Rosen  <irar@il.ibm.com>
3633
3634         * tree-vect-transform.c (vect_model_simple_cost): Return
3635         immediately if stmt is pure SLP.
3636         (vect_model_store_cost): Ditto.
3637         (vect_model_load_cost): Ditto.
3638         (vectorizable_store): Remove PURE_SLP check before call
3639         to vect_model_store_cost.
3640         (vect_model_store_cost): When checking whether stmt describe
3641         strided access, add a check that it is not slp_node.
3642
3643 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3644
3645         PR 8715
3646         * c-common.c (warn_for_sign_compare): New. Handle separately the
3647         case that 'constant' is zero.
3648         * c-typeck.c (build_binary_op): Move code to c-common.c
3649
3650 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3651
3652         * config/alpha/alpha.c (alpha_preferred_reload_class,
3653         alpha_secondary_reload, alpha_emit_set_const_1, function_value,
3654         alpha_output_mi_thunk_osf): Avoid C++ keywords.
3655         * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
3656         * config/arm/arm.md: Likewise.
3657         * config/avr/avr-protos.h (preferred_reload_class,
3658         test_hard_reg_class, avr_simplify_comparison_p,
3659         out_shift_with_cnt, class_max_nregs): Likewise.
3660         * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
3661         output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
3662         preferred_reload_class, test_hard_reg_class): Likewise.
3663         * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
3664         bfin_memory_move_cost, bfin_secondary_reload,
3665         bfin_output_mi_thunk): Likewise.
3666         * config/crx/crx.c (crx_secondary_reload_class,
3667         crx_memory_move_cost): Likewise.
3668         * config/frv/frv-protos.h (frv_secondary_reload_class,
3669         frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
3670         * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
3671         frv_secondary_reload_class, frv_class_likely_spilled_p,
3672         frv_class_max_nregs): Likewise.
3673         * config/h8300/h8300.c (h8300_classify_operand,
3674         h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
3675         Likewise.
3676         * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
3677         * config/ia64/ia64.c (ia64_preferred_reload_class,
3678         ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
3679         * config/iq2000/iq2000.c (gen_int_relational): Likewise.
3680         * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
3681         Likewise.
3682         * config/m68hc11/m68hc11.c (preferred_reload_class,
3683         m68hc11_memory_move_cost): Likewise.
3684         * config/mcore/mcore.c (mcore_secondary_reload_class,
3685         mcore_reload_class): Likewise.
3686         * config/mips/mips.c (mips_hard_regno_mode_ok_p,
3687         mips_class_max_nregs, mips_cannot_change_mode_class,
3688         mips_preferred_reload_class, mips_secondary_reload_class,
3689         mips_output_mi_thunk): Likewise.
3690         * config/mmix/mmix.c (mmix_preferred_reload_class,
3691         mmix_preferred_output_reload_class, mmix_secondary_reload_class):
3692         Likewise.
3693         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
3694         Likewise.
3695         * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
3696         pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
3697         * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3698         * config/rs6000/rs6000.c (paired_expand_vector_init,
3699         rs6000_secondary_reload_class, rs6000_output_mi_thunk,
3700         compare_section_name, rs6000_memory_move_cost): Likewise.
3701         * config/s390/s390.c (s390_emit_compare_and_swap,
3702         s390_preferred_reload_class, s390_secondary_reload,
3703         legitimize_pic_address, legitimize_tls_address,
3704         legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
3705         s390_class_max_nregs): Likewise.
3706         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3707         * config/s390/s390.md: Likewise.
3708         * config/score/score-protos.h (score_secondary_reload_class,
3709         score_preferred_reload_class): Likewise.
3710         * config/score/score.c (score_preferred_reload_class,
3711         score_secondary_reload_class): Likewise.
3712         * config/score/score3.c (score3_output_mi_thunk,
3713         score3_preferred_reload_class, score3_secondary_reload_class,
3714         score3_hard_regno_mode_ok): Likewise.
3715         * config/score/score3.h (score3_preferred_reload_class,
3716         score3_secondary_reload_class): Likewise.
3717         * config/score/score7.c (score7_output_mi_thunk,
3718         score7_preferred_reload_class, score7_secondary_reload_class,
3719         score7_hard_regno_mode_ok): Likewise.
3720         * config/score/score7.h (score7_preferred_reload_class,
3721         score7_secondary_reload_class): Likewise.
3722         * config/sh/sh.c (prepare_move_operands, output_far_jump,
3723         output_branchy_insn, add_constant, gen_block_redirect,
3724         sh_insn_length_adjustment, sh_cannot_change_mode_class,
3725         sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload):
3726         Likewise.
3727         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3728         * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
3729         xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
3730         xstormy16_preferred_reload_class): Likewise.
3731         * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
3732         xtensa_expand_atomic, override_options,
3733         xtensa_preferred_reload_class, xtensa_secondary_reload_class):
3734         Likewise.
3735         * reorg.c (try_merge_delay_insns): Likewise.
3736         * tree.c (merge_dllimport_decl_attributes): Likewise.
3737
3738         * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.
3739
3740 2008-08-06  Michael Matz  <matz@suse.de>
3741
3742         * Makefile.in (write_entries_to_file): Quote words.
3743         * gengtype.c: (read_input_line): Skip over leading white-space.
3744
3745 2008-08-06  Marc Gauthier  <marc@tensilica.com>
3746
3747         * config.gcc: Match more processor names for Xtensa.
3748         * configure.ac: Likewise.
3749         * doc/install.texi (Specific): Likewise.
3750         * configure: Regenerate.
3751
3752 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3753
3754         * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
3755         * calls.c (avoid_likely_spilled_reg): Likewise.
3756         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
3757         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
3758         * config/i386/i386.c (ix86_expand_special_args_builtin,
3759         ix86_secondary_reload): Likewise.
3760         * except.c (struct eh_region, gen_eh_region_catch,
3761         remove_unreachable_regions, duplicate_eh_regions,
3762         assign_filter_values, build_post_landing_pads,
3763         sjlj_find_directly_reachable_regions, remove_eh_handler,
3764         reachable_next_level, foreach_reachable_handler,
3765         can_throw_internal_1, can_throw_external_1,
3766         collect_one_action_chain): Likewise.
3767         * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
3768         * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
3769         * function.c (update_temp_slot_address, instantiate_new_reg,
3770         instantiate_virtual_regs_in_rtx,
3771         instantiate_virtual_regs_in_insn): Likewise.
3772         * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
3773         * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
3774         gimplify_cleanup_point_expr): Likewise.
3775         * ipa-cp.c (ipcp_lattice_changed): Likewise.
3776         * passes.c (next_pass_1): Likewise.
3777         * print-tree.c (print_node_brief, print_node): Likewise.
3778         * profile.c (branch_prob): Likewise.
3779         * tree-dump.c (dump_register): Likewise.
3780         * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
3781         Likewise.
3782         * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
3783         copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
3784         copy_edges_for_bb, copy_cfg_body, copy_tree_r,
3785         copy_arguments_for_versioning, copy_static_chain): Likewise.
3786         * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
3787         add_new_name_mapping, register_new_name_mapping): Likewise.
3788         * tree-mudflap.c (mf_xform_derefs): Likewise.
3789         * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
3790         get_init_expr, combine_chains): Likewise.
3791         * tree-pretty-print.c (dump_generic_node): Likewise.
3792         * tree-ssa-structalias.c (create_variable_info_for): Likewise.
3793         * tree-vrp.c (simplify_cond_using_ranges): Likewise.
3794         * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
3795         * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
3796
3797 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3798
3799         PR middle-end/37010
3800         * calls.c (expand_call): Use the biggest preferred stack
3801         boundary.
3802
3803 2008-08-06  Michael Matz  <matz@suse.de>
3804
3805         PR target/36613
3806         * reload.c (push_reload): Merge in,out,in_reg,out_reg members
3807         for reused reload, instead of overwriting them.
3808
3809 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3810
3811         PR middle-end/37009
3812         * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
3813         for incoming stack boundary.
3814
3815         * function.c (assign_parm_find_entry_rtl): Update
3816         parm_stack_boundary.
3817
3818         * function.h (rtl_data): Add parm_stack_boundary.
3819
3820         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
3821         parm_stack_boundary for incoming stack boundary.
3822
3823 2008-08-06  Joseph Myers  <joseph@codesourcery.com>
3824
3825         * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
3826         for unrepresentable subregs or treat them as equal to other regs
3827         or subregs with the same register number.
3828
3829 2008-08-06  Aldy Hernandez  <aldyh@redhat.com>
3830
3831         PR middle-end/35432
3832         * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
3833         if want_value.
3834
3835 2008-08-06  Jan Hubicka  <jh@suse.cz>
3836
3837         * predict.c (maybe_hot_frequency_p): When profile is absent, all
3838         frequencies might be hot.
3839
3840 2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3841
3842         * reload.c (find_reloads): Force constants into literal pool
3843         also if they are wrapped in a SUBREG.
3844
3845 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3846
3847         PR target/35659
3848         * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
3849         * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
3850         Don't allow predicated instructions for data speculation.
3851         * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
3852         declaration.
3853
3854 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3855
3856         * haifa-sched.c (extend_global): Split to extend_global_data and
3857         extend_region_data.  Update all uses.
3858         (extend_all): Rename to extend_block_data.
3859
3860 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3861
3862         * sched-rgn.c (new_ready): Check if instruction can be
3863         speculatively scheduled before attempting speculation.
3864         (debug_rgn_dependencies): Remove wrongful assert.
3865
3866 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3867
3868         * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
3869
3870 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3871
3872         * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
3873         (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
3874         va_size, and type_size.
3875
3876 2008-08-04  Jason Merrill  <jason@redhat.com>
3877
3878         PR c++/37016
3879         * tree-ssa.c (useless_type_conversion_p_1): Call langhook
3880         if TYPE_STRUCTURAL_EQUALITY_P is true for both types.
3881
3882 2008-08-05  Richard Henderson  <rth@redhat.com>
3883
3884         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
3885         * configure: Rebuild.
3886
3887 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3888
3889         PR tree-opt/37024
3890         * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
3891         instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
3892         is a conversion.
3893
3894 2008-08-05  Richard Henderson  <rth@redhat.com>
3895
3896         * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
3897         * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
3898         * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
3899         * common.opt (fdwarf2-cfi-asm): New.
3900         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
3901         * config.in, configure: Rebuild.
3902         * dwarf2asm.c (dw2_asm_output_data_raw): New.
3903         (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
3904         (dw2_force_const_mem): Externalize.
3905         * dwarf2asm.h: Update.
3906         * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
3907         generate a real label.
3908         (output_cfi_directive): New.
3909         (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
3910         (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
3911         (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
3912         and .cfi_lsda.
3913         (dwarf2out_end_epilogue): Emit .cfi_endproc.
3914         (output_loc_operands_raw, output_loc_sequence_raw): New.
3915         (output_cfa_loc_raw): New.
3916
3917 2008-08-05  Paul Brook  <paul@codesourcery.com>
3918
3919         * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
3920         * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
3921         (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
3922         (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
3923         * config/arm/arm.h (TARGET_VFPD32): Define.
3924         (TARGET_VFP3): Use TARGET_VFPD32.
3925         (fputype): Add FPUTYPE_VFP3D16.
3926         (LAST_VFP_REGNUM): Use TARGET_VFPD32.
3927         * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
3928         * config/arm/arm-cores.def: Add cortex-r4f.
3929         * config/arm/arm-tune.md: Regenerate.
3930
3931 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3932
3933         * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
3934         Reword some comments throughout the file.
3935
3936         (MFC_MIN_DMA_LIST_ELEMENTS): New define.
3937         (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
3938         (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of MFC_MIN_DMA_LIST_ELEMENTS.
3939         (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of MFC_MAX_DMA_LIST_ELEMENTS.
3940
3941         (MFC_START_ENABLE): Remove PPU-only define.
3942         (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
3943         (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.
3944
3945         (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
3946         (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
3947         (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
3948         (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
3949         (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
3950         (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
3951         (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.
3952
3953         (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
3954         (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
3955         (mfc_sdcrt, mfc_sdcrtst): Likewise.
3956         (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.
3957
3958         (spu_read_machine_status): Fix typo.
3959
3960 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3961
3962         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
3963         SUBREG of multi-word hard register.
3964         * config/spu/spu.c (valid_subreg): Likewise.
3965         (adjust_operand): Handle SUBREGs of multi-word hard registers.
3966
3967 2008-08-04  Richard Guenther  <rguenther@suse.de>
3968
3969         * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
3970         the candidate with the stripped base if that base is different
3971         from the original base even for offset zero.
3972
3973 2008-08-04  Richard Guenther  <rguenther@suse.de>
3974
3975         PR middle-end/36691
3976         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
3977         check for no_overflow.
3978
3979 2008-08-04  Richard Guenther  <rguenther@suse.de>
3980
3981         * tree-vect-transform.c (vectorizable_call): Fix tuplification.
3982
3983 2008-08-04  Paul Brook  <paul@codesourcery.com>
3984
3985         * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
3986         (arm_order_regs_for_local_alloc): New function.
3987         * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
3988         prototype.
3989         * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.
3990
3991 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3992
3993         PR target/37012
3994         * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
3995         instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
3996         (ix86_expand_epilogue): Likewise.
3997
3998 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3999
4000         * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
4001         in comments.
4002
4003 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
4004
4005         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
4006         to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
4007         (*movv2sf_internal_rex64): Ditto.
4008
4009 2008-08-03  Jan Hubicka  <jh@suse.cz>
4010
4011         * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
4012         expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
4013         * expmed.c (expand_smod_pow2): Likewise.
4014
4015 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
4016
4017         PR target/36992
4018         * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
4019         alternative 0 of operand 1.
4020         (*vec_concatv2di_rex64_sse): Ditto.
4021         (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
4022         of operand 1.
4023         (*sse2_storeq_rex64): Penalize allocation of "r" registers.
4024         * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
4025         of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
4026         (*movv2sf_internal_rex64): Ditto.
4027
4028 2008-08-02  Richard Guenther  <rguenther@suse.de>
4029
4030         PR target/35252
4031         * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
4032         (ssedoublesizemode): New mode attribute.
4033         (sse_shufps): Call gen_sse_shufps_v4sf.
4034         (sse_shufps_1): Macroize.
4035         (sse2_shufpd): Call gen_Sse_shufpd_v2df.
4036         (sse2_shufpd_1): Macroize.
4037         (vec_extract_odd, vec_extract_even): New expanders.
4038         (vec_interleave_highv4sf, vec_interleave_lowv4sf,
4039         vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
4040         * i386.c (ix86_expand_vector_init_one_nonzero): Call
4041         gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
4042         (ix86_expand_vector_set): Likewise.
4043         (ix86_expand_reduc_v4sf): Likewise.
4044
4045 2008-08-01  Doug Kwan  <dougkwan@google.com>
4046
4047         * matrix-reorg.c: Re-enable all code.
4048         (struct malloc_call_data): Change CALL_STMT to gimple type.
4049         (collect_data_for_malloc_call): Tuplify.
4050         (struct access_site_info): Change STMT to gimple type.
4051         (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
4052         and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
4053         (struct free_info): Change STMT to gimple type.
4054         (struct matrix_access_phi_node):  Change PHI to gimple type.
4055         (get_inner_of_cast_expr): Remove.
4056         (may_flatten_matrices_1): Tuplify.
4057         (may_flatten_matrices): Ditto.
4058         (mark_min_matrix_escape_level): Ditto.
4059         (ssa_accessed_in_tree): Refactor statement RHS related code into ...
4060         (ssa_accessed_in_call_rhs): New
4061         (ssa_accessed_in_assign_rhs): New
4062         (record_access_alloc_site_info): Tuplify.
4063         (add_allocation_site): Ditto.
4064         (analyze_matrix_allocation_site): Ditto.
4065         (analyze_transpose): Ditto.
4066         (get_index_from_offset): Ditto.
4067         (update_type_size): Ditto.
4068         (analyze_accesses_for_call_expr): Tuplify and renamed into ...
4069         (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
4070         (analyze_accesses_for_phi_node): Tuplify.
4071         (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
4072         (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
4073         (analyze_matrix_accesses): Tuplify.
4074         (check_var_data): New call-back type for check_var_notmodified_p.
4075         (check_var_notmodified_p): Tuplify and use call-back struct to
4076         return statement found.
4077         (can_calculate_expr_before_stmt): Factor out statement related code
4078         into ...
4079         (can_calculate_stmt_before_stmt): New.
4080         (check_allocation_function): Tuplify.
4081         (find_sites_in_func): Ditto.
4082         (record_all_accesses_in_func): Ditto.
4083         (transform_access_sites): Ditto.
4084         (transform_allocation_sites): Ditto.
4085         (matrix_reorg): Re-enable.
4086         (gate_matrix_reorg): Re-enable.
4087
4088 2008-08-01  Jakub Jelinek  <jakub@redhat.com>
4089
4090         * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
4091         for labels for which it hasn't been set yet.  If it has been set,
4092         stop walking insns and continue with next worklist item.
4093         (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
4094         if the only BARRIER is at the very end of a function.
4095
4096 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
4097
4098         * cfgexpand.c (expand_stack_alignment): Assert that
4099         stack_realign_drap and drap_rtx must match.
4100
4101         * function.c (instantiate_new_reg): If DRAP is used to realign
4102         stack, replace virtual_incoming_args_rtx with internal arg
4103         pointer.
4104
4105 2008-08-01  Richard Guenther  <rguenther@suse.de>
4106
4107         * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
4108         loop information only if we initialized it.
4109         (execute_pre): Call fini_pre with in_fre.
4110         * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
4111         if we do not unroll because we hit max-completely-peeled-insns.
4112         Use our estimation for consistency, do allow shrinking.
4113
4114 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
4115
4116         * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
4117         with MIN_STACK_BOUNDARY.
4118         (ix86_update_stack_boundary): Likewise.
4119         (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
4120         STACK_BOUNDARY.
4121
4122         * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
4123         (MIN_STACK_BOUNDARY): This.
4124
4125 2008-08-01  Richard Guenther  <rguenther@suse.de>
4126
4127         PR middle-end/36997
4128         * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
4129
4130 2008-08-01  Richard Guenther  <rguenther@suse.de>
4131
4132         PR tree-optimization/36988
4133         * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
4134         do not matter if that doesn't change volatile qualification.
4135
4136 2008-08-01  Paolo Bonzini  <bonzini@gnu.org>
4137
4138         * configure.ac: Do not generate libada-mk.  Do not subst
4139         host_cc_for_libada.
4140         * libada-mk.in: Remove.
4141         * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
4142         * configure: Regenerate.
4143
4144 2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>
4145
4146         * tree-pass.h: Added comment about not dumping passes with name
4147         starting with star in struct opt_pass.
4148         * passes.c (register_dump_files_1): Don't do dump for a pass with
4149         name starting with star.
4150         * doc/passes.texi (Pass manager): Mention pass names and special
4151         meaning of star prefix to avoid dump.
4152
4153 2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>
4154
4155         * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
4156         to MIPS64r2.
4157         * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
4158         (ISA_MIPS64R2): New macro.
4159         (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
4160         (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
4161         ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
4162         ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
4163         ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
4164         ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
4165         ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
4166         (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
4167         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
4168         Move up to keep list alphabetically sorted.
4169         (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
4170         * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
4171         processor.
4172         * doc/invoke.texi (MIPS Options): Add -mips64r2.
4173         (-march=@var{arch}): Add mips64r2.
4174
4175 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
4176
4177         * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.
4178
4179 2008-07-31  Steve Ellcey  <sje@cup.hp.com>
4180
4181         * expr.c (expand_assignment): Check for complete type.
4182
4183 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
4184
4185         PR debug/36977
4186         * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.
4187
4188         * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
4189         for stack alignment.
4190
4191         * function.h (rtl_data): Add stack_realign_tried.  Update comments.
4192
4193 2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>
4194
4195         * config/sh/sh.c (sh_canonical_va_list_type): Remove.
4196         (TARGET_CANONICAL_VA_LIST_TYPE): Remove.
4197
4198 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
4199
4200         PR rtl-optimization/36419
4201         * dwarf2out.c (barrier_args_size): New variable.
4202         (compute_barrier_args_size, compute_barrier_args_size_1): New
4203         functions.
4204         (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
4205         if not called yet in the current function, use barrier_args_size
4206         array to find the new args_size value.
4207         (dwarf2out_frame_debug): Free and clear barrier_args_size.
4208
4209 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
4210
4211         PR debug/36980
4212         * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
4213         rule 19.
4214
4215 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
4216
4217         PR debug/36976
4218         * dwarf2out.c (dwarf2out_args_size_adjust): New.
4219         (dwarf2out_stack_adjust): Use it.
4220         (dwarf2out_frame_debug_expr): Likewise.
4221
4222 2008-07-31  Richard Guenther  <rguenther@suse.de>
4223
4224         PR tree-optimization/36978
4225         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
4226         the generated condition.
4227
4228 2008-07-31  Richard Guenther  <rguenther@suse.de>
4229
4230         * passes.c (init_optimization_passes): Always call
4231         pass_early_warn_uninitialized.
4232         * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
4233         * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
4234         * doc/passes.texi (Warn for uninitialized variables): Adjust.
4235
4236 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
4237
4238         PR c/36970
4239         * builtins.c (maybe_emit_free_warning): New function.
4240         (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
4241         maybe_emit_free_warning for BUILT_IN_FREE.
4242
4243         PR debug/36278
4244         * dwarf2out.c (get_context_die): New function.
4245         (force_decl_die, force_type_die): Use it.
4246         (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
4247         returns NULL, force generation of DW_TAG_typedef and put that into
4248         DW_AT_import.
4249
4250         PR preprocessor/36649
4251         * c-pch.c (c_common_read_pch): Save and restore
4252         line_table->trace_includes across PCH restore.
4253
4254 2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>
4255
4256         PR ada/36554
4257         * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
4258
4259 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
4260
4261         PR 36974
4262         * final.c (call_from_call_insn): Handle COND_EXEC.
4263
4264 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
4265
4266         * builtins.c (std_gimplify_va_arg_expr): Replace
4267         PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
4268         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4269
4270 2008-07-30  Joey Ye  <joey.ye@intel.com>
4271             H.J. Lu  <hongjiu.lu@intel.com>
4272
4273         * builtins.c (expand_builtin_setjmp_receiver): Replace
4274         virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
4275         (expand_builtin_apply_args_1): Likewise.
4276         (expand_builtin_longjmp): Need DRAP for stack alignment.
4277         (expand_builtin_apply): Likewise.
4278
4279         * caller-save.c (setup_save_areas): Call assign_stack_local_1
4280         instead of assign_stack_local to allow alignment reduction.
4281
4282         * calls.c (emit_call_1): Need DRAP for stack alignment if
4283         return pops.
4284         (expand_call): Replace virtual_incoming_args_rtx with
4285         crtl->args.internal_arg_pointer.
4286         * stmt.c (expand_nl_goto_receiver): Likewise.
4287
4288         * cfgexpand.c (get_decl_align_unit): Estimate stack variable
4289         alignment and store to stack_alignment_estimated and
4290         max_used_stack_slot_alignment.
4291         (expand_one_var): Likewise.
4292         (expand_stack_alignment): New function.
4293         (tree_expand_cfg): Initialize max_used_stack_slot_alignment
4294         and stack_alignment_estimated fields in rtl_data.  Call
4295         expand_stack_alignment at end.
4296
4297         * defaults.h (INCOMING_STACK_BOUNDARY): New.
4298         (MAX_STACK_ALIGNMENT): Likewise.
4299         (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
4300         (SUPPORTS_STACK_ALIGNMENT): Likewise.
4301
4302         * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
4303         stack alignment when generating virtual registers.
4304
4305         * function.c (assign_stack_local): Renamed to ...
4306         (assign_stack_local_1): This.  Add a parameter to indicate
4307         if it is OK to reduce alignment.
4308         (assign_stack_local): Use it.
4309         (instantiate_new_reg): Instantiate virtual incoming args rtx
4310         to vDRAP if stack realignment and DRAP is needed.
4311         (assign_parms): Collect parameter/return type alignment and
4312         contribute to stack_alignment_estimated.
4313         (locate_and_pad_parm): Likewise.
4314         (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
4315         with crtl->args.internal_arg_pointer.
4316
4317         * function.h (rtl_data): Add new field drap_reg,
4318         max_used_stack_slot_alignment, stack_alignment_estimated,
4319         stack_realign_needed, need_drap, stack_realign_processed and
4320         stack_realign_finalized.
4321         (stack_realign_fp): New macro.
4322         (stack_realign_drap): Likewise.
4323
4324         * global.c (compute_regsets): Frame pointer is needed when
4325         stack is realigned.  Can eliminate frame pointer when stack is
4326         realigned and dynamic realigned argument pointer isn't used.
4327
4328         * reload1.c (update_eliminables):  Frame pointer is needed
4329         when stack is realigned.
4330         (init_elim_table): Can eliminate frame pointer when stack is
4331         realigned and dynamic realigned argument pointer isn't used.
4332
4333         * rtl.h (assign_stack_local_1): Declare new funtion.
4334
4335         * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
4336         (TARGET_GET_DRAP_RTX): Likewise.
4337         (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
4338         TARGET_GET_DRAP_RTX.
4339
4340         * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.
4341
4342         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
4343         STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
4344
4345 2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
4346             H.J. Lu  <hongjiu.lu@intel.com>
4347
4348         * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
4349         vdrap_reg, stack_realign and drap_reg_saved.
4350         (add_cfi): Don't allow redefining CFA when DRAP is used.
4351         (reg_save): Handle stack alignment.
4352         (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
4353         alignment.  Don't generate DWARF information for (set fp sp)
4354         when DRAP is used.
4355         (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
4356         to INVALID_REGNUM.
4357         (int_loc_descriptor): Move prototype forward.  Also define if
4358         DWARF2_UNWIND_INFO is true.
4359         (output_cfa_loc): Handle DW_CFA_expression.
4360         (build_cfa_aligned_loc): New.
4361         (based_loc_descr): Update assert for stack realign.  For local
4362         variables, use sp+offset when stack is aligned without drap and
4363         fp+offset when stack is aligned with drap.  For arguments, use
4364         cfa+offset when drap is used to align stack.
4365
4366 2008-07-30  Joey Ye  <joey.ye@intel.com>
4367             H.J. Lu  <hongjiu.lu@intel.com>
4368
4369         * config/i386/i386.c (ix86_force_align_arg_pointer_string):
4370         Break long line.
4371         (ix86_gen_andsp): New.
4372         (ix86_user_incoming_stack_boundary): Likewise.
4373         (ix86_default_incoming_stack_boundary): Likewise.
4374         (ix86_incoming_stack_boundary): Likewise.
4375         (ix86_can_eliminate): Likewise.
4376         (find_drap_reg): Likewise.
4377         (ix86_update_stack_boundary): Likewise.
4378         (ix86_get_drap_rtx): Likewise.
4379         (ix86_finalize_stack_realign_flags): Likewise.
4380         (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
4381         (TARGET_GET_DRAP_RTX): Likewise.
4382         (override_options): Overide option value for new options.
4383         (ix86_function_ok_for_sibcall): Remove check for
4384         force_align_arg_pointer.
4385         (ix86_handle_cconv_attribute): Likewise.
4386         (ix86_function_regparm): Likewise.
4387         (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
4388         (ix86_va_start): Replace virtual_incoming_args_rtx with
4389         crtl->args.internal_arg_pointer.
4390         (ix86_select_alt_pic_regnum): Check DRAP register.
4391         (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
4392         (ix86_compute_frame_layout): Compute frame layout wrt stack
4393         realignment.
4394         (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
4395         (ix86_expand_prologue): Decide if stack realignment is needed
4396         and generate prologue code accordingly.
4397         (ix86_expand_epilogue): Generate epilogue code wrt stack
4398         realignment is really needed or not.
4399
4400         * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
4401         (ABI_STACK_BOUNDARY): Likewise.
4402         (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
4403         (STACK_REALIGN_DEFAULT): Likewise.
4404         (INCOMING_STACK_BOUNDARY): Likewise.
4405         (MAX_STACK_ALIGNMENT): Likewise.
4406         (ix86_incoming_stack_boundary): Likewise.
4407         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
4408         (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
4409         (CAN_ELIMINATE): Defined with ix86_can_eliminate.
4410         (machine_function): Remove force_align_arg_pointer.
4411
4412         * config/i386/i386.md (BX_REG): New.
4413         (R13_REG): Likewise.
4414
4415         * config/i386/i386.opt (mforce_drap): New.
4416         (mincoming-stack-boundary): Likewise.
4417         (mstackrealign): Add Init(-1).
4418
4419         * config/i386/i386-protos.h (ix86_can_eliminate): New
4420
4421 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
4422
4423         * doc/extend.texi: Update force_align_arg_pointer.
4424
4425         * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
4426         -mstackrealign.
4427
4428         * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
4429         (INCOMING_STACK_BOUNDARY): Likewise.
4430         (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
4431         (TARGET_GET_DRAP_RTX): Likewise.
4432
4433 2008-07-30  Andreas Schwab  <schwab@suse.de>
4434
4435         PR rtl-optimization/36929
4436         * dse.c (replace_inc_dec): Use emit_insn_before instead of
4437         add_insn_before and fix argument order.
4438         (replace_inc_dec_mem): Handle NULL rtx.
4439
4440 2008-07-30  Andrew Jenner  <andrew@codesourcery.com>
4441
4442         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
4443         function.
4444         (arm_compute_initial_elimination_offset): Use it.
4445         (arm_compute_save_reg_mask): Include static chain save slot when
4446         calculating alignment.
4447         (arm_get_frame_offsets): Ditto.
4448         (thumb1_compute_save_reg_mask): Ensure we have a low register saved
4449         that we can use to decrement the stack when the stack decrement
4450         could be too big for an immediate value in a single insn.
4451         (thumb1_expand_prologue): Avoid using r12 for stack decrement.
4452
4453 2008-07-30  Richard Guenther  <rguenther@suse.de>
4454
4455         PR tree-optimization/36967
4456         * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
4457         Release defs of statements we remove.
4458
4459 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
4460
4461         * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
4462         instead of NULL_RTVEC.
4463
4464 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
4465
4466         PR target/35866
4467
4468         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
4469         vector modes.
4470
4471 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
4472
4473         * final.c (call_from_call_insn): New.
4474         (final_scan_insn): Call assemble_external on FUNCTION_DECLs.
4475
4476 2008-07-30  Paolo Bonzini  <bonzini@gnu.org>
4477
4478         * configure.ac: Substitute ADA_CFLAGS.
4479         * configure: Regenerate.
4480         * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
4481         * Makefile.in: Remove mention of X_* variables.
4482         * config/pa/x-ada-hpux10: Remove.
4483         * config/pa/x-ada: Remove.
4484
4485         * doc/fragments.texi: Update.
4486
4487 2008-07-30  Olivier Hainque  <hainque@adacore.com>
4488
4489         * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
4490         * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
4491         __dso_handle explicitly here.
4492
4493 2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4494
4495         PR 34389
4496         * c-typeck.c (build_binary_op): Encapsulate code into...
4497         * c-common.c (shorten_binary_op): ...this new function.
4498         (conversion_warning): Use the new function. Handle non-negative
4499         constant in bitwise-and.
4500         * c-common.h (shorten_binary_op): Declare.
4501
4502 2008-07-30  Olivier Hainque  <hainque@adacore.com>
4503
4504         * scan.c (make_sstring_space): Add explicit conversions of
4505         allocator's return value.
4506         * fix-header.c (recognized_function): Likewise.
4507
4508 2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4509
4510         * doc/cpp.texi: Update to GFDL 1.2.
4511         * doc/gcc.texi: Do not list GPL as Invariant Section.
4512         * doc/gccint.texi: Likewise.  Update copyright years.
4513         * doc/install.texi: Update copyright years.
4514
4515 2008-07-30  Alan Modra  <amodra@bigpond.net.au>
4516
4517         PR target/36955
4518         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
4519         a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.
4520
4521 2008-07-29  Jan Hubicka  <jh@suse.cz>
4522
4523         * c-decl.c (merge_decls): Do not handle DECL_INLINE.
4524         (grokdeclarator): Likewise.
4525         * langhooks.c (lhd_warn_unused_global_decl): Use
4526         DECL_DECLARED_INLINE_P.
4527         * print-tree.c (print_node): Remove DECL_INLINE check.
4528
4529 2008-07-29  Richard Guenther  <rguenther@suse.de>
4530
4531         PR tree-optimization/36945
4532         * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
4533         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
4534         Record invariant addresses un-decomposed.
4535         (copy_reference_ops_from_call): Record reference call
4536         arguments properly.  Simplify.
4537         * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
4538         helper split out from ...
4539         (create_component_ref_by_pieces): ... here.  Simplify.
4540         Prepare for recursive invocation for call arguments.
4541         (create_expression_by_pieces): Adjust call to
4542         create_component_ref_by_pieces.
4543         (compute_avail): Process operand 2 of reference ops.
4544
4545 2008-07-29  Richard Guenther  <rguenther@suse.de>
4546
4547         * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.
4548
4549 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
4550
4551         * c-format.c (check_format_types): Revert unwanted checkin.
4552
4553 2008-07-29  Jan Hubicka  <jh@suse.cz>
4554
4555         * flags.h (flag_really_no_inline): Remove.
4556         * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
4557         * toplev.c (flag_really_no_inline): Remove.
4558         * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
4559         * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
4560         (cgraph_decide_inlining_incrementally): Likewise.
4561         (compute_inline_parameters): Likewise.
4562         * opts.c (decode_options): Simplify.
4563         * c-opts.c (c_common_post_options): Do not set flag_no_inline.
4564         * common.opt (finline): Initialize to 1.
4565         * tree-inline.c (inlinable_function_p): Check flag_no_inline.
4566
4567 2008-07-29  Jan Hubicka  <jh@suse.cz>
4568
4569         * predict.c (always_optimize_for_size_p): New function.
4570         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
4571         optimize_edge_for_size_p, optimize_edge_for_speed_p,
4572         optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
4573         functions.
4574         (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
4575         * function.c (prepare_function_start): Set default profile.
4576         * function.h (rtl_data): Add maybe_hot_insn_p.
4577         * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
4578         (construct_exit_block): Likewise.
4579         (tree_expand_cfg): Likewise.
4580         * basic-block.h
4581         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
4582         optimize_edge_for_size_p, optimize_edge_for_speed_p,
4583         optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
4584         (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
4585         Declare.
4586
4587 2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4588
4589         PR 34985
4590         * c-decl.c (merge_decls): Merge USED flags.
4591
4592 2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
4593
4594         * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
4595         valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
4596         next_stack, lab_false and lab_over trees.
4597
4598 2008-07-28  Richard Guenther  <rguenther@suse.de>
4599
4600         PR tree-optimization/36957
4601         * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
4602         (useless_type_conversion_p): Remove.
4603         (types_compatible_p): Remove.
4604         * gimple.h (tree_ssa_useless_type_conversion): Declare.
4605         (useless_type_conversion_p): Declare.
4606         (types_compatible_p): Declare.
4607         (gimple_expr_type): Return the base type only if it is
4608         trivially convertible to the subtype.
4609
4610 2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>
4611
4612         * configure.ac: Use the m4_do macro to concatenate the warnings into
4613         one string in ACX_PROG_CC_WARNING_OPTS,
4614         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
4615         * configure: Regenerate.
4616
4617 2008-07-28  Richard Guenther  <rguenther@suse.de>
4618
4619         * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
4620         (insert_fake_stores): Remove.
4621         (realify_fake_stores): Likewise.
4622         (execute_pre): Remove dead code.
4623         * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
4624         (find_func_aliases): Deal with it here instead.
4625         Re-enable gcc_unreachable call.
4626
4627 2008-07-28  Richard Guenther  <rguenther@suse.de>
4628
4629         Merge from gimple-tuples-branch.
4630
4631         * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
4632         * gimple.def: New file.
4633         * gsstruct.def: Likewise.
4634         * gimple-iterator.c: Likewise.
4635         * gimple-pretty-print.c: Likewise.
4636         * tree-gimple.c: Removed.  Merged into ...
4637         * gimple.c: ... here.  New file.
4638         * tree-gimple.h: Removed.  Merged into ...
4639         * gimple.h: ... here.  New file.
4640
4641         * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
4642         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
4643         --enable-checking=gimple flag.
4644         * config.in: Likewise.
4645         * configure: Regenerated.
4646
4647         * tree-ssa-operands.h: Tuplified.
4648         * tree-vrp.c: Likewise.
4649         * tree-loop-linear.c: Likewise.
4650         * tree-into-ssa.c: Likewise.
4651         * tree-ssa-loop-im.c: Likewise.
4652         * tree-dump.c: Likewise.
4653         * tree-complex.c: Likewise.
4654         * cgraphbuild.c: Likewise.
4655         * tree-ssa-threadupdate.c: Likewise.
4656         * tree-ssa-loop-niter.c: Likewise.
4657         * tree-pretty-print.c: Likewise.
4658         * tracer.c: Likewise.
4659         * gengtype.c: Likewise.
4660         * tree-loop-distribution.c: Likewise.
4661         * tree-ssa-loop-unswitch.c: Likewise.
4662         * cgraph.c: Likewise.
4663         * cgraph.h: Likewise.
4664         * tree-ssa-loop-manip.c: Likewise.
4665         * value-prof.c: Likewise.
4666         * tree-ssa-loop-ch.c: Likewise.
4667         * tree-tailcall.c: Likewise.
4668         * value-prof.h: Likewise.
4669         * tree.c: Likewise.
4670         * tree.h: Likewise.
4671         * tree-pass.h: Likewise.
4672         * ipa-cp.c: Likewise.
4673         * tree-scalar-evolution.c: Likewise.
4674         * tree-scalar-evolution.h: Likewise.
4675         * target.h: Likewise.
4676         * lambda-mat.c: Likewise.
4677         * tree-phinodes.c: Likewise.
4678         * diagnostic.h: Likewise.
4679         * builtins.c: Likewise.
4680         * tree-ssa-alias-warnings.c: Likewise.
4681         * cfghooks.c: Likewise.
4682         * fold-const.c: Likewise.
4683         * cfghooks.h: Likewise.
4684         * omp-low.c: Likewise.
4685         * tree-ssa-dse.c: Likewise.
4686         * ipa-reference.c: Likewise.
4687         * tree-ssa-uncprop.c: Likewise.
4688         * toplev.c: Likewise.
4689         * tree-gimple.c: Likewise.
4690         * tree-gimple.h: Likewise.
4691         * tree-chrec.c: Likewise.
4692         * tree-chrec.h: Likewise.
4693         * tree-ssa-sccvn.c: Likewise.
4694         * tree-ssa-sccvn.h: Likewise.
4695         * cgraphunit.c: Likewise.
4696         * tree-ssa-copyrename.c: Likewise.
4697         * tree-ssa-ccp.c: Likewise.
4698         * tree-ssa-loop-ivopts.c: Likewise.
4699         * tree-nomudflap.c: Likewise.
4700         * tree-call-cdce.c: Likewise.
4701         * ipa-pure-const.c: Likewise.
4702         * c-format.c: Likewise.
4703         * tree-stdarg.c: Likewise.
4704         * tree-ssa-math-opts.c: Likewise.
4705         * tree-ssa-dom.c: Likewise.
4706         * tree-nrv.c: Likewise.
4707         * tree-ssa-propagate.c: Likewise.
4708         * ipa-utils.c: Likewise.
4709         * tree-ssa-propagate.h: Likewise.
4710         * tree-ssa-alias.c: Likewise.
4711         * gimple-low.c: Likewise.
4712         * tree-ssa-sink.c: Likewise.
4713         * ipa-inline.c: Likewise.
4714         * c-semantics.c: Likewise.
4715         * dwarf2out.c: Likewise.
4716         * expr.c: Likewise.
4717         * tree-ssa-loop-ivcanon.c: Likewise.
4718         * predict.c: Likewise.
4719         * tree-ssa-loop.c: Likewise.
4720         * tree-parloops.c: Likewise.
4721         * tree-ssa-address.c: Likewise.
4722         * tree-ssa-ifcombine.c: Likewise.
4723         * matrix-reorg.c: Likewise.
4724         * c-decl.c: Likewise.
4725         * tree-eh.c: Likewise.
4726         * c-pretty-print.c: Likewise.
4727         * lambda-trans.c: Likewise.
4728         * function.c: Likewise.
4729         * langhooks.c: Likewise.
4730         * ebitmap.h: Likewise.
4731         * tree-vectorizer.c: Likewise.
4732         * function.h: Likewise.
4733         * langhooks.h: Likewise.
4734         * tree-vectorizer.h: Likewise.
4735         * ipa-type-escape.c: Likewise.
4736         * ipa-type-escape.h: Likewise.
4737         * domwalk.c: Likewise.
4738         * tree-if-conv.c: Likewise.
4739         * profile.c: Likewise.
4740         * domwalk.h: Likewise.
4741         * tree-data-ref.c: Likewise.
4742         * tree-data-ref.h: Likewise.
4743         * tree-flow-inline.h: Likewise.
4744         * tree-affine.c: Likewise.
4745         * tree-vect-analyze.c: Likewise.
4746         * c-typeck.c: Likewise.
4747         * gimplify.c: Likewise.
4748         * coretypes.h: Likewise.
4749         * tree-ssa-phiopt.c: Likewise.
4750         * calls.c: Likewise.
4751         * tree-ssa-coalesce.c: Likewise.
4752         * tree.def: Likewise.
4753         * tree-dfa.c: Likewise.
4754         * except.c: Likewise.
4755         * except.h: Likewise.
4756         * cfgexpand.c: Likewise.
4757         * tree-cfgcleanup.c: Likewise.
4758         * tree-ssa-pre.c: Likewise.
4759         * tree-ssa-live.c: Likewise.
4760         * tree-sra.c: Likewise.
4761         * tree-ssa-live.h: Likewise.
4762         * tree-predcom.c: Likewise.
4763         * lambda.h: Likewise.
4764         * tree-mudflap.c: Likewise.
4765         * ipa-prop.c: Likewise.
4766         * print-tree.c: Likewise.
4767         * tree-ssa-copy.c: Likewise.
4768         * ipa-prop.h: Likewise.
4769         * tree-ssa-forwprop.c: Likewise.
4770         * ggc-page.c: Likewise.
4771         * c-omp.c: Likewise.
4772         * tree-ssa-dce.c: Likewise.
4773         * tree-vect-patterns.c: Likewise.
4774         * tree-ssa-ter.c: Likewise.
4775         * tree-nested.c: Likewise.
4776         * tree-ssa.c: Likewise.
4777         * lambda-code.c: Likewise.
4778         * tree-ssa-loop-prefetch.c: Likewise.
4779         * tree-inline.c: Likewise.
4780         * tree-inline.h: Likewise.
4781         * tree-iterator.c: Likewise.
4782         * tree-optimize.c: Likewise.
4783         * tree-ssa-phiprop.c: Likewise.
4784         * tree-vect-transform.c: Likewise.
4785         * tree-object-size.c: Likewise.
4786         * tree-outof-ssa.c: Likewise.
4787         * cfgloop.c: Likewise.
4788         * system.h: Likewise.
4789         * tree-profile.c: Likewise.
4790         * cfgloop.h: Likewise.
4791         * c-gimplify.c: Likewise.
4792         * c-common.c: Likewise.
4793         * tree-vect-generic.c: Likewise.
4794         * tree-flow.h: Likewise.
4795         * c-common.h: Likewise.
4796         * basic-block.h: Likewise.
4797         * tree-ssa-structalias.c: Likewise.
4798         * tree-switch-conversion.c: Likewise.
4799         * tree-ssa-structalias.h: Likewise.
4800         * tree-cfg.c: Likewise.
4801         * passes.c: Likewise.
4802         * ipa-struct-reorg.c: Likewise.
4803         * ipa-struct-reorg.h: Likewise.
4804         * tree-ssa-reassoc.c: Likewise.
4805         * cfgrtl.c: Likewise.
4806         * varpool.c: Likewise.
4807         * stmt.c: Likewise.
4808         * tree-ssanames.c: Likewise.
4809         * tree-ssa-threadedge.c: Likewise.
4810         * langhooks-def.h: Likewise.
4811         * tree-ssa-operands.c: Likewise.
4812         * config/alpha/alpha.c: Likewise.
4813         * config/frv/frv.c: Likewise.
4814         * config/s390/s390.c: Likewise.
4815         * config/m32c/m32c.c: Likewise.
4816         * config/m32c/m32c-protos.h: Likewise.
4817         * config/spu/spu.c: Likewise.
4818         * config/sparc/sparc.c: Likewise.
4819         * config/i386/i386.c: Likewise.
4820         * config/sh/sh.c: Likewise.
4821         * config/xtensa/xtensa.c: Likewise.
4822         * config/stormy16/stormy16.c: Likewise.
4823         * config/ia64/ia64.c: Likewise.
4824         * config/rs6000/rs6000.c: Likewise.
4825         * config/pa/pa.c: Likewise.
4826         * config/mips/mips.c: Likewise.
4827
4828 2008-07-28  Simon Baldwin  <simonb@google.com>
4829
4830         * c-pragma.c (handle_pragma_message): New function.
4831         (init_pragma): Register handle_pragma_message.
4832         * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
4833         documentation.
4834
4835 2008-07-27  Victor Kaplansky  <victork@il.ibm.com>
4836
4837         PR tree-optimization/35252
4838         * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
4839         REALPART_EXPR to be considered as same load operation.
4840
4841 2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>
4842
4843         PR tree-optimization/36830
4844         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
4845         (expressions_equal_p): Return false if only one operand is null.
4846
4847 2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>
4848
4849         * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
4850         version requirements.
4851
4852 2008-07-26  Olivier Hainque  <hainque@adacore.com>
4853
4854         * collect2.c (symkind): New enum.  Symbol kinds we care about.
4855         (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
4856         code and head comment accordingly.
4857         (scan_prog_file): Use symkind names instead of bare integers.
4858
4859 2008-07-25  Jan Hubicka  <jh@suse.cz>
4860
4861         * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
4862         DECL_INLINE.
4863         * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
4864         (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
4865         * dojump.c (clear_pending_stack_adjust): Likewise.
4866         * print-tree.c (print_node): Ignore DECL_INLINE.
4867         * tree-inline.c (inlinable_function_p): Likewise.
4868
4869 2008-07-25  Michael Meissner  <gnu@the-meissners.org>
4870
4871         * doc/extend.texi (hot attribute): Document that the hot attribute
4872         turns on -O3 for some ports.
4873         (cold attribute): Document that the cold attribute turns on -Os
4874         for some ports
4875
4876         * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
4877         reflect function specific option support.
4878
4879         * target.h (struct target_option_hooks): Add fields to say whether
4880         the cold attribute implies -Os and the hot attribute implies -O3.
4881
4882         * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
4883         By default, do not turn on -Os for cold functions.
4884         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
4885         not turn on -O3 for hot functions.
4886
4887         * c-common.c (handle_hot_attribute): Use target hook to determine
4888         if hot functions should enable -O3.
4889         (handle_cold_attribute): Use target hook to determine if cold
4890         functions should enable -Os.
4891
4892         * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
4893         (override_options): Move disable scheduling to
4894         optimization_options.
4895         (optimization_options): Disable scheduling here, not
4896         override_options.
4897         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4898         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4899
4900         * config/ia64/ia64.c (ia64_override_options): Move setting
4901         scheduling flags to ia64_optimization_options.
4902         (ia64_optimization_options): Disable scheduling options here, and
4903         not in ia64_override_options.
4904         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4905         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4906
4907 2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>
4908
4909         PR target/36936
4910         * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.
4911
4912 2008-07-25  Martin Jambor  <mjambor@suse.cz>
4913
4914         PR tree-optimization/36926
4915         * ipa-prop.c (ipa_analyze_call_uses): Call
4916         ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.
4917
4918 2008-07-25  Joseph Myers  <joseph@codesourcery.com>
4919
4920         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4921         movv2si_internal): Add mem = reg alternative.
4922
4923 2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>
4924
4925         PR bootstrap/36918
4926         * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
4927         DEFAULT_PCC_STRUCT_RETURN to 127.
4928
4929 2008-07-24  Jan Hubicka  <jh@suse.cz>
4930
4931         * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
4932         (build_cgraph_edges): Likewise.
4933         * cgraph.c (cgraph_node): Do not update assembler hash.
4934         (cgraph_remove_node): Drop non-unit-at-a-time code.
4935         * tree-pass.h (pass_O0_always_inline): Remove.
4936         * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
4937         * toplev.c (process_options): Flag unit-at-a-time does not imply
4938         no section anchors.
4939         * cgraphunit.c: Update comments.
4940         (decide_is_function_needed): Drop non-unit-at-a-time mode.
4941         (cgraph_assemble_pending_functions): Remove.
4942         (cgraph_reset_node): Drop non-unit-at-a-time code.
4943         (cgraph_finalize_function): Likewise.
4944         (cgraph_analyze_function): Likewise.
4945         (cgraph_finalize_compilation_unit): Likewise.
4946         (cgraph_expand_function): Likewise.
4947         (cgraph_optimize): Likesise.
4948         (save_inline_function_body): Likewise.
4949         * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
4950         * tree-ssa-alias.c (maybe_be_aliased): Likewise.
4951         * ipa-inline.c: Update comments.
4952         (enum inlining_mode): remove INLINE_SPEED.
4953         (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
4954         (cgraph_mark_inline_edge): Likewise.
4955         (try_inline): Likewise.
4956         (cgraph_decide_inlining_incrementally): Likewise.
4957         (cgraph_gate_inlining): Remove.
4958         (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
4959         (cgraph_gate_early_inlining): Likewise.
4960         (gate_inline_passes): Remove.
4961         (pass_inline_parameters, pass_ipa_inline): Remove gates.
4962         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4963         pass_O0_always_inline): Remove.
4964         * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
4965         * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
4966         * opts.c (no_unit_at_a_time_default): Remove.
4967         (decode_options): Remove flag_unit_at_a_time reset and warning.
4968         * opts.h (no_unit_at_a_time_default): Remove.
4969         * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
4970         early in GNU dialect.
4971         (merge_decls): Update comment; drop unit-at-a-time check.
4972         (finish_decl): Likewise.
4973         (grok_declaration): Remove flag_inline_trees code.
4974         (finish_functions): Return on function returning non-void on all
4975         statics.
4976         * ipa-tye-escape.c (gate_type_escape_vars): Remove.
4977         * cfgexpand.c (expand_one_static_var): Remove.
4978         (expand_one_var): Remove expand_one_static_var call.
4979         (expand_used_vars_for_block): Remove flag_unit_a_time check.
4980         * c-opts.c (c_common_post_options): Remove flag_inline_trees code
4981         and flag_unit_at_a-time compatibility checks.
4982         * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
4983         * tree-inline.c (flag_inline_trees): Remove.
4984         (inlinable_function_p): Don't check it.
4985         (expand_call_inline): Remove non-unit-at-a-time code.
4986         * tree-inline.h (flag_inline_trees): Remove.
4987         * tree-optimize.c (execute_early_local_optimizations): Remove
4988         unit-at-a-time checks.
4989         (tree_rest_of_compilation): Likewise.
4990         * combine.c (setup_incoming_promotions): Likewise.
4991         * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
4992         * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
4993         * passes.c (pass_inline_parameters): Update comments; remove
4994         O0_alwaysinline pass.
4995         (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
4996         (execute_one_pass): Likewise.
4997         * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
4998         (ix86_function_sseregparm): Likewise.
4999         * arm.c (arm_function_in_section_p): Likewise.
5000         * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
5001         * varpool.c: Update comments.
5002         (decide_is_variable_needed): Remove unit-at-a-time checks.
5003         (varpool_finalize_decl): Likewise.
5004
5005 2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>
5006
5007         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
5008         to 2 instead of -1.
5009         (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.
5010
5011 2008-07-24  Kai Tietz  <kai.tietz@onevision.com>
5012
5013         * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
5014         imp symbol extension.
5015
5016         2008-07-23  Ian Lance Taylor  <iant@google.com>
5017
5018         * tree-vrp.c (infer_value_range): Ignore asm statements when
5019         looking for memory accesses for -fdelete-null-pointer-checks.
5020
5021 2008-07-24  Ben Elliston  <bje@au.ibm.com>
5022
5023         * config/spu/spu-c.c (__vector_keyword): New variable.
5024         (vector_keyword): Likewise.
5025         (spu_categorize_keyword): New function.
5026         (spu_macro_to_expand): Likewise.
5027         (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
5028         compiling an ISO C dialect.
5029
5030 2008-07-24  Ben Elliston  <bje@au.ibm.com>
5031
5032         * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
5033         conventional usage.
5034
5035 2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
5036
5037         * configure: Regenerate.
5038         * configure.ac: Require texinfo 4.7.
5039         * doc/install.texi: Document texinfo 4.7 requirement.
5040
5041 2008-07-23  Martin Jambor  <mjambor@suse.cz>
5042
5043         * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
5044         rather than for DECL_SAVED_TREE.
5045         * ipa-prop.c: Include diagnostic.h.
5046         (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
5047         thoroughly.
5048         (ipa_detect_param_modifications): Function rewritten from scratch.
5049         (ipa_compute_jump_functions): Changed accesses to modification flags.
5050         (ipa_free_node_params_substructures): Update flags destruction.
5051         (ipa_node_duplication_hook): Update flags duplication.
5052         (ipa_print_all_params_modified): Updated flag access.
5053         * ipa-prop.h (struct ipa_param_flags): New structure.
5054         (struct ipa_node_params): New field modification_analysis_done,
5055         modified_flags changed into param_flags.
5056         (ipa_is_ith_param_modified): Changed to use new flags.
5057         * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.
5058
5059         * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
5060         ipa-cp.c and split into two functions.
5061         (ipa_print_node_jump_functions): New function.
5062         (compute_scalar_jump_functions): New function.
5063         (type_like_member_ptr_p): New function.
5064         (compute_pass_through_member_ptrs): New function.
5065         (fill_member_ptr_cst_jump_function): New function.
5066         (determine_cst_member_ptr): New function.
5067         (compute_cst_member_ptr_arguments): New function.
5068         (ipa_compute_jump_functions): Complete rewrite.
5069         * ipa-prop.h (enum jump_func_type): Make explicit that we depend
5070         on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
5071         (struct ipa_member_ptr_cst): New structure.
5072         (union jump_func_value): New field member_cst.
5073         * ipa-cp.c (ipcp_lat_is_insertable): New function.
5074         (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
5075         jump function types.
5076         (ipcp_print_all_lattices): Slight fprintf rearrangement.
5077         (ipcp_print_all_structures): Call ipa_print_all_jump_functions
5078         instead of ipcp_print_all_jump_functions.
5079         (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
5080         only for replacable scalars.
5081
5082         * doc/invoke.texi (Optimize options): Add description of
5083         -findirect-inlining.
5084         * common.opt (flag_indirect_inlining): New flag.
5085         * opts.c (decode_options): Set flag_indirect_inlining when
5086         optimize >= 3.
5087
5088         * ipa-inline.c: Include ipa-prop.h.
5089         (inline_indirect_intraprocedural_analysis): New function.
5090         (inline_generate_summary): Allocate parameter and argument info
5091         structures, call inline_indirect_intraprocedural_analysis on each
5092         node when doing indirect inlining and deallocate indirect inlining
5093         data structures in the end.
5094         * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
5095         (free_all_ipa_structures_after_iinln): New function.
5096         (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
5097         done.
5098         * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.
5099
5100         * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
5101         (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
5102         of computing the frequency separately.
5103         (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
5104         of computing the frequency separately.
5105         * ipa-cp.c (ipcp_print_all_structures): Replace a call to
5106         ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
5107         * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
5108         (ipa_get_stmt_member_ptr_load_param): New function.
5109         (ipa_is_ssa_with_stmt_def): New function.
5110         (ipa_note_param_call): New function.
5111         (ipa_analyze_call_uses): New function.
5112         (ipa_analyze_stmt_uses): New function.
5113         (ipa_analyze_params_uses): New function.
5114         (ipa_free_node_params_substructures): Also free the param_calls linked
5115         list.
5116         (ipa_node_duplication_hook): Also duplicate the param_calls linked list.
5117         (ipa_print_node_param_flags): New function.
5118         (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
5119         (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
5120         * ipa-prop.h (struct ipa_param_flags): New field called.
5121         (struct ipa_param_call_note): New structure.
5122         (struct ipa_node_params): New fields param_calls and
5123         uses_analysis_done.
5124         (ipa_is_ith_param_called): New function.
5125         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
5126         ipa_analyze_params_uses and dump parameter flags.
5127
5128         * ipa-inline.c (cgraph_decide_recursive_inlining): Call
5129         ipa_propagate_indirect_call_infos if performing indirect inlining,
5130         pass a new parameter new_edges to it.
5131         (add_new_edges_to_heap): New fucntion.
5132         (cgraph_decide_inlining_of_small_functions): New vector
5133         new_indirect_edges for newly found indirect edges , call
5134         ipa_propagate_indirect_call_infos after inlining.
5135         (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
5136         inlining if performing indirect inlining.  Call
5137         free_all_ipa_structures_after_iinln when doing so too.
5138         (inline_generate_summary): Do not call
5139         free_all_ipa_structures_after_iinln here.
5140         * ipa-prop.c (update_jump_functions_after_inlining): New function.
5141         (print_edge_addition_message): New function.
5142         (update_call_notes_after_inlining): New function.
5143         (propagate_info_to_inlined_callees): New function.
5144         (ipa_propagate_indirect_call_infos): New function.
5145         * ipa-prop.h: Include cgraph.h
5146         (struct ipa_param_call_note): Fields reordered, new field processed.
5147         * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
5148         flag indirect_call.
5149         * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
5150         rediscovered call statements.
5151         * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
5152         (dump_cgraph_node): Dump also the indirect_call flag.
5153         (cgraph_clone_edge): Copy also the indirect_call flag.
5154         * tree-inline.c (copy_bb): Do not check for fndecls from call
5155         expressions, check for edge availability when moving clones.
5156         (get_indirect_callee_fndecl): New function.
5157         (expand_call_inline): If callee declaration is not apprent from
5158         the statement, try calling get_indirect_callee_fndecl.  Do not
5159         issue warnings or call sorry when not inlinings an indirect edge.
5160         * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.
5161
5162         * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
5163         bit more frandly to matching.
5164         * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
5165         * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
5166         * testsuite/gcc.dg/ipa/modif-1.c: New testcase.
5167
5168 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
5169
5170         PR 36907
5171         * opth-gen.awk: Suppress function specific features when building
5172         target libraries.
5173         * optc-gen.awk: Ditto.
5174
5175 2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5176
5177         PR 35058
5178         * diagnostic.c (pedwarn): Add opt parameter.
5179         (pedwarn0): New.
5180         * c-tree.h (pedwarn_init): Add opt parameter.
5181         (pedwarn_c90): Likewise.
5182         (pedwarn_c99): Likewise.
5183         * c-errors.c (pedwarn_c99): Likewise.
5184         (pedwarn_c90): Likewise.
5185         * toplev.h (pedwarn): Update declaration.
5186         (pedwarn0): Declare.
5187         * c-lex.c: All calls to pedwarn changed.
5188         * builtins.c: All calls to pedwarn changed.
5189         * toplev.c: All calls to pedwarn changed.
5190         * c-decl.c: All calls to pedwarn changed.
5191         * c-typeck.c: All calls to pedwarn changed.
5192         * c-common.c: All calls to pedwarn changed.
5193         * c-parser.c: All calls to pedwarn changed.
5194
5195 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
5196             Karthik Kumar  <karthikkumar@gmail.com>
5197
5198         * attribs.c (file scope): Include c-common.h.
5199         (decl_attributes): Add support for #pragma GCC optimize and
5200         #pragma GCC option.
5201
5202         * targhooks.c (default_can_inline_p): New function that is the
5203         default for the TARGET_CAN_INLINE_P target hook.
5204
5205         * targhooks.h (default_can_inline_p): Add declaration.
5206
5207         * tree.c (cl_optimization_node): New static tree for building
5208         OPTIMIZATION_NODE tree.
5209         (cl_target_option_node): New static tree for building
5210         TARGET_OPTION_NODE tree.
5211         (cl_option_hash_table): New hash table for hashing
5212         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
5213         (cl_option_hash_hash): New function to provide the hash value for
5214         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
5215         (cl_option_hash_eq): New function to provide an equality test for
5216         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
5217         (tree_code_size): Add support for OPTIMIZATION_NODE and
5218         TARGET_OPTION_NODE trees.
5219         (tree_code_structure): Add support for OPTIMIZATION_NODE and
5220         TARGET_OPTION_NODE trees.
5221         (build_optimization_node): Build a tree that has all of the
5222         current optimization options.
5223         (build_target_option_node): Build a tree that has the target
5224         options that might be changed on a per function basis.
5225
5226         * tree.h (file scope): Include options.h.
5227         (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
5228         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
5229         (TREE_OPTIMIZATION): Ditto.
5230         (TREE_TARGET_SPECIFIC): Ditto.
5231         (struct tree_function_decl): Add fields for remembering the
5232         current optimization options and target specific options.
5233         (struct tree_optimization_option): New tree variant that remembers
5234         the optimization options.
5235         (struct tree_target_option): New tree variant that remembers the
5236         target specific flags that might change for compiling a particular
5237         function.
5238         (union tree_node): Include tree_optimization_option and
5239         tree_target_option fields.
5240         (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
5241         TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
5242         TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
5243         TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
5244         TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
5245         optimization and target options.
5246         (optimization_default_node): New macro to refer to global_trees
5247         field.
5248         (optimization_current_node): Ditto.
5249         (optimization_cold_node): Ditto.
5250         (optimization_hot_node): Ditto.
5251         (target_option_default_node): Ditto.
5252         (target_option_current_node): Ditto.
5253         (current_option_pragma): Ditto.
5254         (current_optimize_pragma): Ditto.
5255
5256         * target.h (struct gcc_target): Add valid_option_attribute_p,
5257         target_option_save, target_option_restore, target_option_print,
5258         target_option_pragma_parse, and can_inline_p hooks.
5259
5260         * toplev.h (parse_optimize_options): Add declaration.
5261         (fast_math_flags_struct_set_p): Ditto.
5262
5263         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
5264         adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
5265         optimize is used.
5266
5267         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
5268         tree_can_inline_p hook to see if one function can inline another.
5269         (cgraph_decide_inlining): Ditto.
5270         (cgraph_decide_inlining_incrementally): Ditto.
5271
5272         * opts.c (decode_options): Add support for running multiple times
5273         to allow functions with different target or optimization options
5274         than was specified on the command line.
5275         (fast_math_flags_struct_set_p): New function that is similar to
5276         fast_math_flags_set_p, except it uses the values in the
5277         cl_optimization structure instead of global variables.
5278
5279         * optc-gen.awk: Add support for TargetSave to allow a back end to
5280         declare new fields that need to be saved when using function
5281         specific options.  Include flags.h and target.h in the options.c
5282         source.  Add support for Save to indicate which options can be set
5283         for individual functions.  Generate cl_optimize_save,
5284         cl_optimize_restore, cl_optimize_print, cl_target_option_save,
5285         cl_target_option_restore, cl_target_option_print functions to
5286         allow functions to use different optimization or target options.
5287
5288         * opt-functions.awk (var_type_struct): Return the type used for
5289         storing the field in a structure.
5290
5291         * opth-gen.awk: Add support for TargetSave to allow a back end to
5292         declare new fields that need to be saved when using function
5293         specific options.  Add support for Save to indicate which options
5294         can be set for individual functions.  Only generate one extern for
5295         Mask fields.  Generate cl_optimization and cl_target_option
5296         structures to remember optimization and target options.
5297
5298         * treestruct.def (TS_OPTIMIZATION): Add support for garbage
5299         collecting new tree nodes.
5300         (TS_TARGET_OPTION): Ditto.
5301
5302         * c-decl.c (merge_decls): Merge function specific target and
5303         optimization options.
5304
5305         * function.c (invoke_set_current_function_hook): If the function
5306         uses different optimization options, change the global variables
5307         to reflect this.
5308
5309         * coretypes.h (struct cl_optimization): Add forward reference.
5310         (struct cl_target_option): Ditto.
5311
5312         * c-pragma.c (option_stack): New static vector to remember the
5313         current #pragma GCC option stack.
5314         (handle_pragma_option): New function to support #pragma GCC option
5315         to change target options.
5316         (optimize_stack): New static vector to remember the current
5317         #pragma GCC optimize stack.
5318         (handle_pragma_optimize): New function to support #pragma GCC
5319         optimize to change optimization options.
5320         (init_pragma): Add support for #pragma GCC optimize and #pragma
5321         GCC option.
5322
5323         * tree.def (OPTIMIZATION_NODE): New tree code for remembering
5324         optimization options.
5325         (TARGET_OPTION_NODE): New tree code for remembering certain target
5326         options.
5327
5328         * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
5329         TARGET_OPTION_NODE trees.
5330
5331         * common.opt (-O): Add Optimization flag.
5332         (-Os): Ditto.
5333         (-fmath-errno): Ditto.
5334         (-falign-functions): Add UInteger flag to make sure flag gets full
5335         int in cl_optimization structure.
5336         (-falign-jumps): Ditto.
5337         (-falign-labels): Ditto.
5338         (-falign-loops): Ditto.
5339         (-fsched-stalled-insns): Ditto.
5340         (-fsched-stalled-insns-dep): Ditto.
5341
5342         * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
5343         definition.
5344         (TARGET_OPTION_SAVE): Ditto.
5345         (TARGET_OPTION_RESTORE): Ditto.
5346         (TARGET_OPTION_PRINT): Ditto.
5347         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
5348         (TARGET_CAN_INLINE_P): Ditto.
5349         (TARGET_INITIALIZER): Add new hooks.
5350
5351         * tree-inline.c (tree_can_inline_p): New function to determine
5352         whether one function can inline another.  Check if the functions
5353         use compatible optimization options, and also call the backend
5354         can_inline_p hook.
5355
5356         * tree-inline.h (tree_can_inline_p): Add declaration.
5357
5358         * c-common.c (c_common_attribute): Add support for option and
5359         optimize attributes.
5360         (handle_option_attribute): Add support for the option attribute to
5361         allow the user to specify different target options for compiling a
5362         specific function.
5363         (handle_optimize_attribute): Add support for the optimize
5364         attribute to allow the user to specify different optimization
5365         options for compiling a specific function.
5366         (handle_hot_attribute): Turn on -O3 optimization for this one
5367         function if it isn't the default optimization level.
5368         (handle_cold_attribute): Turn on -Os optimization for this one
5369         function if it insn't the default optimization.
5370         (const_char_p): New const char * typedef.
5371         (optimize_args): New static vector to remember the optimization
5372         arguments.
5373         (parse_optimize_options): New function to set up the optimization
5374         arguments from either the optimize attribute or #pragma GCC optimize.
5375
5376         * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
5377         (builtin_define_std): Ditto.
5378
5379         * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
5380         Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
5381         (x86_64-*-*): Ditto.
5382
5383         * Makefile.in (TREE_H): Add options.h.
5384         (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.
5385
5386         * doc/extend.texi (option attribute): Document new attribute.
5387         (optimize attribute): Ditto.
5388         (hot attribute): Document hot attribute sets -O3.
5389         (cold attribute): Document cold attribute sets -Os.
5390         (#pragma GCC option): Document new pragma.
5391         (#pragma GCC optimize): Ditto.
5392
5393         * doc/options.texi (TargetSave): Document TargetSave syntax.
5394         (UInteger): Document UInteger must be used for certain flags.
5395         (Save): Document Save option to create target specific options
5396         that can be saved/restored on a function specific context.
5397
5398         * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
5399         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
5400
5401         * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
5402         (TARGET_OPTION_SAVE): Ditto.
5403         (TARGET_OPTION_RESTORE): Ditto.
5404         (TARGET_OPTION_PRINT): Ditto.
5405         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
5406         (TARGET_CAN_INLINE_P): Ditto.
5407
5408         * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
5409         -mfpmath=sse,387.
5410         (-mfpmath=both): Ditto.
5411
5412 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
5413             Karthik Kumar  <karthikkumar@gmail.com>
5414
5415         * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
5416         (TARGET_POPCNT): Ditto.
5417         (TARGET_SAHF): Ditto.
5418         (TARGET_AES): Ditto.
5419         (TARGET_PCLMUL): Ditto.
5420         (TARGET_CMPXCHG16B): Ditto.
5421         (TARGET_RECIP): Move switch into target_flags.
5422         (TARGET_FUSED_MADD): Ditto.
5423         (ix86_arch_features): Make an unsigned char type.
5424         (ix86_tune_features): Ditto.
5425         (OVERRIDE_OPTIONS): Add bool argument to override_options call.
5426         (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
5427         (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.
5428
5429         * config/i386/i386.opt (arch): New TargetSave field to define
5430         fields that need to be saved for function specific option support.
5431         (tune): Ditto.
5432         (fpmath): Ditto.
5433         (branch_cost): Ditto.
5434         (ix86_isa_flags_explicit): Ditto.
5435         (tune_defaulted): Ditto.
5436         (arch_specified): Ditto.
5437         (-m128-long-double): Add Save flag to save option for target
5438         specific option support.
5439         (-m80387): Ditto.
5440         (-maccumulate-outgoing-args): Ditto.
5441         (-malign-double): Ditto.
5442         (-malign-stringops): Ditto.
5443         (-mfancy-math-387): Ditto.
5444         (-mhard-float): Ditto.
5445         (-mieee-fp): Ditto.
5446         (-minline-all-stringops): Ditto.
5447         (-minline-stringops-dynamically): Ditto.
5448         (-mms-bitfields): Ditto.
5449         (-mno-align-stringops): Ditto.
5450         (-mno-fancy-math-387): Ditto.
5451         (-mno-push-args): Ditto.
5452         (-mno-red-zone): Ditto.
5453         (-mpush-args): Ditto.
5454         (-mred-zone): Ditto.
5455         (-mrtd): Ditto.
5456         (-msseregparm): Ditto.
5457         (-mstack-arg-probe): Ditto.
5458         (-m32): Ditto.
5459         (-m64): Ditto.
5460         (-mmmx): Ditto.
5461         (-m3dnow): Ditto.
5462         (-m3dnowa): Ditto.
5463         (-msse): Ditto.
5464         (-msse2): Ditto.
5465         (-msse3): Ditto.
5466         (-msse4.1): Ditto.
5467         (-msse4.2): Ditto.
5468         (-msse4): Ditto.
5469         (-mno-sse4): Ditto.
5470         (-msse4a): Ditto.
5471         (-msse5): Ditto.
5472         (-mrecip): Move flag into target_flags.
5473         (-mcld): Ditto.
5474         (-mno-fused-madd): Ditto.
5475         (-mfused-madd): Ditto.
5476         (-mabm): Move flag into ix86_isa_flags.
5477         (-mcx16): Ditto.
5478         (-mpopcnt): Ditto.
5479         (-msahf): Ditto.
5480         (-maes): Ditto.
5481         (-mpclmul): Ditto.
5482
5483         * config/i386/i386-c.c: New file for #pragma support.
5484         (ix86_target_macros_internal): New function to #define or #undef
5485         target macros based when the user uses the #pragma GCC option to
5486         change target options.
5487         (ix86_pragma_option_parse): New function to add #pragma GCC option
5488         support.
5489         (ix86_target_macros): Move defining the target macros here from
5490         TARGET_CPU_CPP_BUILTINS in i386.h.
5491         (ix86_register_pragmas): Register the #pragma GCC option hook.  If
5492         defined, initialize any subtarget #pragmas.
5493
5494         * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
5495         REGISTER_TARGET_PRAGMAS.
5496
5497         * config/i386/t-i386: New file for x86 dependencies.
5498         (i386.o): Make dependencies mirror the include files used.
5499         (i386-c.o): New file, add dependencies.
5500
5501         * config/i386/i386-protos.h (override_options): Add bool argument.
5502         (ix86_valid_option_attribute_tree): Add declaration.
5503         (ix86_target_macros): Ditto.
5504         (ix86_register_macros): Ditto.
5505
5506         * config/i386/i386.c (ix86_tune_features): Move initialization of
5507         the target masks to initial_ix86_tune_features to allow functions
5508         to have different target options.  Make type unsigned char,
5509         instead of unsigned int.
5510         (initial_ix86_tune_features): New static vector to hold processor
5511         masks for the tune variables.
5512         (ix86_arch_features): Move initialization of the target masks to
5513         initial_ix86_arch_features to allow functions to have different
5514         target options.  Make type unsigned char, instead of unsigned int.
5515         (initial_ix86_arch_features): New static vector to hold processor
5516         masks for the arch variables.
5517         (enum ix86_function_specific_strings): New enum to describe the
5518         string options used for attribute((option(...))).
5519         (ix86_target_string): New function to return a string that
5520         describes the target options.
5521         (ix86_debug_options): New function to print the current options in
5522         the debugger.
5523         (ix86_function_specific_save): New function hook to save the
5524         function specific global variables in the cl_target_option structure.
5525         (ix86_function_specific_restore): New function hook to restore the
5526         function specific variables from the cl_target_option structure to
5527         the global variables.
5528         (ix86_function_specific_print): New function hook to print the
5529         target specific options in the cl_target_option structure.
5530         (ix86_valid_option_attribute_p): New function hook to validate
5531         attribute((option(...))) arguments.
5532         (ix86_valid_option_attribute_tree): New function that is common
5533         code between attribute((option(...))) and #pragma GCC option
5534         support that parses the options and returns a tree holding the options.
5535         (ix86_valid_option_attribute_inner_p): New helper function for
5536         ix86_valid_option_attribute_tree.
5537         (ix86_can_inline_p): New function hook to decide if one function
5538         can inline another on a target specific basis.
5539         (ix86_set_current_function); New function hook to switch target
5540         options if the user used attribute((option(...))) or #pragma GCC
5541         option.
5542         (ix86_tune_defaulted): Move to static file scope from
5543         override_options.
5544         (ix86_arch_specified): Ditto.
5545         (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
5546         ix86_isa_flags.
5547         (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
5548         (OPTION_MASK_ISA_ABM_SET): Ditto.
5549         (OPTION_MASK_ISA_POPCNT_SET): Ditto.
5550         (OPTION_MASK_ISA_CX16_SET): Ditto.
5551         (OPTION_MASK_ISA_SAHF_SET): Ditto.
5552         (OPTION_MASK_ISA_AES_UNSET): Ditto.
5553         (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
5554         (OPTION_MASK_ISA_ABM_UNSET): Ditto.
5555         (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
5556         (OPTION_MASK_ISA_CX16_UNSET): Ditto.
5557         (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
5558         (struct ptt): Move to static file scope from override_options.
5559         (processor_target_table): Ditto.
5560         (cpu_names): Ditto.
5561         (ix86_handle_option): Add support for options that are now isa options.
5562         (override_options): Add support for declaring functions that
5563         support different target options than were specified on the
5564         command line.  Move struct ptt, processor_target_table, cpu_names,
5565         ix86_tune_defaulted, ix86_arch_specified to static file scope.
5566         Add bool argument.  Fix up error messages so the appropriate error
5567         is given for either command line or attribute.
5568         (ix86_previous_fndecl): New static to remember previous function
5569         declaration to see if we need to change target options.
5570         (ix86_builtins_isa): New array to record the ISA of each builtin
5571         function.
5572         (def_builtin): Always create the builtin function, even if the
5573         current ISA doesn't support it.
5574         (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
5575         tests for those builtins.
5576         (ix86_init_builtins): Remove TARGET_MMX test for calling
5577         ix86_init_mmx_sse_builtins.
5578         (ix86_expand_builtin): If the current ISA doesn't support a given
5579         builtin, signal an error.
5580         (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
5581         (TARGET_SET_CURRENT_FUNCTION): Ditto.
5582         (TARGET_OPTION_SAVE): Ditto.
5583         (TARGET_OPTION_RESTORE): Ditto.
5584         (TARGET_OPTION_PRINT): Ditto.
5585         (TARGET_CAN_INLINE_P): Ditto.
5586
5587 2008-07-22  Rafael Avila de Espindola  <espindola@google.com>
5588
5589         * c-typeck.c (build_external_ref): Don't call assemble_external.
5590         * final.c (output_operand): Call assemble_external.
5591
5592 2008-07-21  DJ Delorie  <dj@redhat.com>
5593
5594         * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
5595         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
5596
5597 2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5598
5599         * config/spu/spu.md ("div<mode>3"): Convert into expander, move
5600         original insn and splitter contents into ...
5601         ("*div<mode>3_fast"): ... this new pattern.  Enable only if
5602         flag_unsafe_math_optimizations.  Add dummy scratch register.
5603         ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
5604         !flag_unsafe_math_optimizations.  Returns number with next
5605         highest magnitude if this is still less or equal to the true
5606         quotient in magnitude.
5607
5608 2008-07-21  Rafael Avila de Espindola  <espindola@google.com>
5609
5610         * Makefile.in: Replace toplev.h with TOPLEV_H.
5611         * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
5612         * c-lex.c (fe_file_change): Don't set in_system_header.
5613         * c-parser.c (c_token): Remove in_system_header.
5614         (c_lex_one_token): Don't set in_system_header.
5615         (c_parser_set_source_position_from_token): Don't set in_system_header.
5616         * diagnostic.c (diagnostic_report_diagnostic): Use location from
5617         diagnostic_info.
5618         (warning_at): New.
5619         * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
5620         * flags.h (in_system_header): Remove.
5621         * function.c (saved_in_system_header): Remove.
5622         (push_cfun): Don't set in_system_header.
5623         (pop_cfun): Don't set in_system_header.
5624         (push_struct_function): Don't set in_system_header.
5625         * input.h (expanded_location): Add sysp.
5626         (in_system_header_at): New.
5627         (in_system_header): New.
5628         * toplev.c (in_system_header): Remove.
5629         * toplev.h: Include input.h
5630         (warning_at): New.
5631         * tree-cfg.c (execute_warn_function_return): Call warning_at.
5632         * tree-ssa.c (warn_uninit): Call warning_at.
5633         (warn_uninitialized_var): Update calls to warn_uninit.
5634         (warn_uninitialized_phi): Update calls to warn_uninit.
5635         * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
5636         (expand_location): Initialize xloc.sysp.
5637         * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
5638         (tree_decl_with_vis): Remove in_system_header_flag.
5639
5640 2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>
5641
5642         PR target/36822
5643         * recog.c (asm_operand_ok): Change the order of the extra
5644         memory constraint checks.
5645
5646 2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5647
5648         PR tree-opt/36879
5649         * tree-switch-conversion.c (build_one_array): Call
5650         varpool_mark_needed_node and varpool_finalize_decl
5651         instead of assemble_variable.
5652
5653 2008-07-19  Jan Hubicka  <jh@suse.cz>
5654
5655         * cgraph.c (cgraph_add_new_function): Do early local passes.
5656         * tree-nrv.c (gate_pass_return_slot): New gate.
5657         (pass_nrv): Add the gate.
5658         * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
5659         functions.
5660         (coalesce_ssa_name): Coalesce SSA names.
5661         * tree-ssa-live.c (remove_unused_locals): Be more conservative when
5662         not optimizing so unused user vars remains visible.
5663         * common.opt (flag_tree_ter): Always enable by default.
5664         * tree-ssa-ter.c: Include flags.h
5665         (is_replaceable_p): Check that locations match; when aliasing is missing
5666         be conservative about loads.
5667         * tree-optimize.c (gate_init_datastructures): Remove.
5668         (pass_init_datastructures): New.
5669         * passes.c: Reorder passes so we always go into SSA.
5670
5671 2008-07-19  Jan Hubicka  <jh@suse.cz>
5672
5673         * doc/extend.texi (flatten attribute): Remove note about unit-at-a-time
5674         * doc/invoke.texi (--combine): Likewise.
5675         (-finline-functions-called-once): Update levels when enabled.
5676         (-funit-at-a-time): Document new behaviour.
5677         (-ftoplevel-reorder): Document that it is enabled -O0 and imply
5678         -fno-section-anchors when disabled explicitly.
5679         (inline params): They are not ignored now.
5680         (precompiled headers): Remove unit-at-a-time as being incompatible.
5681         * opts.c (decode_options): Handle unit-at-a-time as alias;
5682         imply -fno-section-anchors when toplevel reorder is disabled
5683         explicitly.
5684         * common.opt (ftoplevel-reorder): Set default value to 2.
5685         (funit-at-a-time): Set default value to 1.
5686         * config/rs6000/rs6000.c (optimization_options): Set section anchors
5687         to 2.
5688
5689 2008-07-19  Jan Hubicka  <jh@suse.cz>
5690
5691         * builtins.c (expand_builtin_int_roundingfn,
5692         expand_builtin_int_roundingfn_2): Do not take subtarget argument;
5693         it is not useful.
5694
5695 2008-07-19  Richard Guenther  <rguenther@suse.de>
5696
5697         PR bootstrap/36864
5698         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
5699         * tree-ssa-sccvn.c (get_constant_value_id): New function.
5700         * tree-ssa-pre.c (get_expr_value_id): For newly created
5701         constant value-ids make sure to add the expression to its
5702         expression-set.
5703
5704 2008-07-19  Jakub Jelinek  <jakub@redhat.com>
5705
5706         PR middle-end/36877
5707         * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
5708         return value of the builtin is ignored.
5709
5710 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5711
5712         * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
5713         bits, a C conformant malloc implementation has to provide.
5714         * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.
5715
5716 2008-07-19  Joseph Myers  <joseph@codesourcery.com>
5717
5718         PR target/36780
5719         PR target/36827
5720         * reload.c (find_reloads_subreg_address): Only reload address if
5721         reloaded == 0, not for reloaded != 1.
5722
5723         Revert:
5724         2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5725         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5726         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5727         m32c_legitimize_reload_address.
5728
5729         2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5730         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5731         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5732
5733 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5734
5735         * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
5736         argument, saying whether nested array are to be collapsed
5737         into a single array type DIE with multiple subscripts.
5738         (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
5739         issues, centralize the nested array types collapsing control and
5740         disable the transformation for Ada.
5741
5742 2008-07-18  Uros Bizjak  <ubizjak@gmail.com>
5743
5744         PR target/36786
5745         * config/i386/i386.md (x86_64_shift_adj_1): Rename from
5746         x86_64_shift_adj.
5747         (x86_64_shift_adj_2): New expander.
5748         (x86_64_shift_adj_3): Ditto.
5749         * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
5750         to split TImode operands.
5751         (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
5752         (ix86_split_lshr): Ditto.
5753
5754 2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>
5755
5756         * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
5757         and __CHAR32_TYPE__.
5758         * c-typeck.c (digest_init): Support char16_t and char32_t.
5759         (set_nonincremental_init_from_string): Idem.
5760
5761 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5762
5763         PR middle-end/36859
5764         * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
5765         PREFERRED_STACK_BOUNDARY.
5766         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5767
5768 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5769
5770         PR middle-end/36858
5771         * function.c (locate_and_pad_parm): Cap boundary earlier.
5772
5773 2008-07-17  Julian Brown  <julian@codesourcery.com>
5774
5775         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
5776         no-op for targets which don't use DLLs.
5777
5778 2008-07-17  Martin Jambor  <mjambor@suse.cz>
5779
5780         * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
5781         that nodes are relevant by examining the node->analyzed flag.
5782         (ipcp_init_stage): Check which nodes are relevant, assert that the
5783         relevant ones are also required.
5784         (ipcp_propagate_stage): Check on the side arrays are properly
5785         allocated.
5786         (ipcp_print_all_jump_functions): Make sure not to touch any node
5787         that is not analyzed or an edge that does not have a corresponding
5788         entry in the on-the-side vectors.
5789         (ipcp_function_scale_print): Likewise.
5790         (ipcp_update_callgraph): Check that the node is relevant.
5791         (ipcp_insert_stage): Check that the node is relevant.  Check there is
5792         an info for every node and edge.
5793         * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
5794         (ipa_print_all_tree_maps): Likewise and a new variable info.
5795         (ipa_print_all_params_modified): Likewise.
5796         * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.
5797
5798 2008-07-17  Roman Zippel <zippel@linux-m68k.org>
5799
5800         PR target/25343
5801         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
5802
5803 2008-07-17  Paolo Bonzini  <bonzini@gnu.org>
5804
5805         PR rtl-optimization/36753
5806         * fwprop.c (use_killed_between): Don't shortcut
5807         single-definition global registers.
5808
5809 2008-07-16  Jan Hubicka  <jh@suse.cz>
5810
5811         * cgraph.h (varpool_empty_needed_queue): Declare.
5812         * cgraphunit.c (output_in_order): Mark all variables as needed;
5813         empty the queue.
5814         * varpool.c (varpool_assemble_node): Update debug queue.
5815         (varpool_assemble_pending_decls): Don't do it here.
5816         (varpool_empty_needed_queue):  New function.
5817
5818 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5819
5820         * recog.c (peephole2_optimize): Fix formatting.
5821
5822 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5823
5824         * c-pch.c (get_ident): Avoid C++ keywords.
5825         * combine-stack-adj.c (single_set_for_csa): Likewise.
5826         * final.c (asm_insn_count, final_scan_insn, alter_subreg,
5827         output_asm_insn): Likewise.
5828         * reload.c (push_secondary_reload, find_reusable_reload,
5829         push_reload, combine_reloads, find_reloads,
5830         debug_reload_to_stream): Likewise.
5831         * reload.h (struct reload): Likewise.
5832         * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
5833         allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
5834         emit_output_reload_insns): Likewise.
5835         * targhooks.c (default_secondary_reload): Likewise.
5836         * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.
5837
5838 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5839
5840         * recog.c (validate_change_1, validate_change,
5841         validate_unshare_change, validate_replace_rtx_1, struct
5842         funny_match, constrain_operands, peephole2_optimize): Avoid C++
5843         keywords.
5844         * reload.c (push_secondary_reload, secondary_reload_class,
5845         scratch_reload_class, find_valid_class, find_reusable_reload,
5846         push_reload, find_dummy_reload, find_reloads_address_1,
5847         find_reloads_address_part, find_equiv_reg): Likewise.
5848         * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
5849         choose_reload_regs): Likewise.
5850         * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
5851         Likewise.
5852         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
5853         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5854         * sched-rgn.c (concat_INSN_LIST): Likewise.
5855         * stor-layout.c (mode_for_size, mode_for_size_tree,
5856         smallest_mode_for_size): Likewise.
5857
5858 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5859
5860         * cfg.c (dump_reg_info): Avoid C++ keywords.
5861         * dwarf2asm.c (dw2_force_const_mem,
5862         dw2_asm_output_encoded_addr_rtx): Likewise.
5863         * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
5864         * expmed.c (expand_shift): Likewise.
5865         * global.c (find_reg): Likewise.
5866         * graph.c (draw_edge): Likewise.
5867         * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
5868         * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
5869         widen_clz, widen_bswap, expand_parity, expand_unop,
5870         emit_cmp_and_jump_insn_1): Likewise.
5871         * postreload.c (reload_cse_simplify_operands): Likewise.
5872         * ra.h (add_neighbor): Likewise.
5873         * reg-stack.c (remove_regno_note, change_stack): Likewise.
5874         * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
5875         record_reg_classes, copy_cost, record_address_regs,
5876         invalid_mode_change_p): Likewise.
5877         * regrename.c (regrename_optimize, scan_rtx_reg,
5878         dump_def_use_chain, find_oldest_value_reg,
5879         replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.
5880
5881 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5882
5883         * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
5884         MASK_POWERPC64 for power4 in previous commit.
5885
5886 2008-07-16  Olivier Hainque  <hainque@adacore.com>
5887
5888         * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
5889         instead of bare conversion to cast const-ness away.
5890
5891 2008-07-16  Anatoly Sokolov  <aesok@post.ru>
5892
5893         * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
5894         XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
5895         * config/xtensa/xtensa.c (xtensa_function_value): New function.
5896         (TARGET_FUNCTION_VALUE): Define.
5897
5898 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5899
5900         * config/rs6000/rs6000.c (processor_target_table): Add
5901         MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.
5902
5903 2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5904
5905         PR target/36827
5906         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5907         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5908         m32c_legitimize_reload_address.
5909
5910 2007-07-16  Rafael Avila de Espindola  <espindola@google.com>
5911
5912         * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
5913         DECL_IN_SYSTEM_HEADER in sync.
5914
5915 2008-07-15  Daniel Berlin  <dberlin@dberlin.org>
5916
5917         * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
5918         * tree-ssa-pre.c (pre_expr_eq): Ditto
5919         (get_constant_for_value_id): Take a type as an argument.
5920         (fully_constant_expression): Pass in type.
5921         (find_or_generate_expression): Short circuit constant case.
5922         (create_expression_by_pieces): Remove special casing of
5923         pointer_plus.
5924         (do_regular_insertion): Short circuit constant case.
5925         (do_partial_partial_insertion): Ditto.
5926
5927 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5928
5929         PR target/36782
5930         * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.
5931
5932 2008-07-15  Bob Wilson  <bob.wilson@acm.org>
5933
5934         * config/xtensa/libgcc-xtensa.ver: New file.
5935         * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
5936
5937 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5938
5939         * df-problems.c (df_set_note): Avoid C++ keywords.
5940         * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
5941         * dse.c (record_store, remove_useless_values): Likewise.
5942         * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
5943         gen_reg_rtx_offset, operand_subword, change_address_1,
5944         change_address, adjust_address_1, offset_address,
5945         widen_memory_access, emit_copy_of_insn_after): Likewise.
5946         * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
5947         * fwprop.c (should_replace_address, propagate_rtx_1,
5948         propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
5949         Likewise.
5950         * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
5951         gcse_emit_move_after, update_ld_motion_stores): Likewise.
5952         * lcm.c (compute_insert_delete, pre_edge_lcm,
5953         compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
5954         * lower-subreg.c (resolve_reg_notes): Likewise.
5955         * mode-switching.c (optimize_mode_switching): Likewise.
5956
5957 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5958
5959         * bt-load.c (add_btr_def, migrate_btr_def,
5960         branch_target_load_optimize): Avoid C++ keywords.
5961         * caller-save.c (insert_restore, insert_save, insert_one_insn):
5962         Likewise.
5963         * combine.c (subst, simplify_set, make_extraction,
5964         make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
5965         * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
5966         fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.
5967
5968 2008-07-15  Richard Guenther  <rguenther@suse.de>
5969
5970         PR middle-end/36369
5971         * c-common.c (strict_aliasing_warning): Do not warn for
5972         TYPE_REF_CAN_ALIAS_ALL pointers.
5973         (c_common_get_alias_set): may_alias types are not special.
5974         * tree.c (build_pointer_type_for_mode): Look up the may_alias
5975         attribute and set can_ref_all accordingly.
5976         (build_reference_type_for_mode): Likewise.
5977         * doc/extend.texi (may_alias): Clarify.
5978
5979 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5980
5981         PR target/36780
5982         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5983         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5984
5985 2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5986
5987         PR target/31568
5988         * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
5989         gcc_assert, instead call output_operand_lossage.
5990
5991 2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
5992
5993         * builtins.c (std_canonical_va_list): Treat structure based
5994         va_list types.
5995
5996 2008-07-15  Ben Elliston  <bje@au.ibm.com>
5997
5998         * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.
5999
6000 2007-07-14  Rafael Avila de Espindola  <espindola@google.com>
6001
6002         * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
6003         is set.
6004
6005 2008-07-14  Jan Hubicka  <jh@suse.cz>
6006
6007         * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
6008         * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
6009         fix predicates and constraints.
6010         * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
6011         * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.
6012
6013 2008-07-14  Doug Kwan  <dougkwan@google.com>
6014
6015         * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
6016         additional option file arm/eabi.opt.
6017         * config/arm/eabi.h (File): New configuration file for EABI targets.
6018         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
6019         SUBSUBTARGET_EXTRA_SPECS.
6020         (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
6021         * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
6022         from STARTFILE_SPEC so that it can be referenced in an override.
6023         (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
6024         (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
6025         can be referenced in an override.
6026         (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
6027         * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
6028         so that it can be referenced in an override.
6029         (LINK_SPEC): Use BPABI_LINK_SPEC.
6030         * config/arm/eabi.opt (File): New.
6031
6032 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6033
6034         * Makefile.in (TARGET_DEF_H): Add targhooks.h.
6035         (FIXED_VALUE_H): New variable.
6036         (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
6037         input.h, fixed-value.h.
6038         (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
6039         (BASIC_BLOCK_H): Use $(BITMAP_H).
6040         (FUNCTION_H): Add varray.h.
6041         (IPA_REFERENCE_H): Use $(BITMAP_H).
6042         (CGRAPH_H): Add $(BASIC_BLOCK_H).
6043         (DF_H): Use $(BITMAP_H).
6044         (GGC_H): Add statistics.h.
6045         (INSN_ADDR_H): New.
6046         (INSN_ATTR_H): Use it.
6047         (SYSTEM_H): Add safe-ctype.h, filenames.h.
6048         (INPUT_H): New.
6049         (SYMTAB_H): Add $(OBSTACK_H).
6050         (CPP_INTERNAL_H): New.
6051         (TREE_DUMP_H): Add tree-pass.h.
6052         (TREE_FLOW_H): Use $(BITMAP_H)
6053         (PRETTY_PRINT_H): Use $(INPUT_H).
6054         (EBITMAP_H): Rename from typo-ed EBIMAP_H.
6055         (GSTAB_H): New.
6056         (BITMAP_H): New.
6057         (many object files): Fix lots of header dependencies throughout.
6058
6059 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6060
6061         * Makefile.in (write_entries_to_file, write_entries_to_file_split):
6062         New macros.
6063         (s-gtyp-input): Use them to write tmp-gi.list.
6064         (echo_to_gi.list): Remove.
6065
6066 2008-07-14  Richard Guenther  <rguenther@suse.de>
6067
6068         * tree-ssa-sccvn.c (pre_info): Remove.
6069         (switch_to_PRE_table): Likewise.
6070         (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
6071         (set_hashtable_value_ids): Do not create value-ids for the
6072         optimistic tables.
6073         (run_scc_vn): Remove double test.  Remove bogus special-case
6074         in value-number printing.
6075         * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
6076         * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
6077         SSA_NAME_VALUE.
6078         * tree-flow-inline.h (get_value_handle): Remove.
6079         * tree-flow.h (get_value_handle): Remove.
6080
6081 2008-07-14  Martin Jambor  <mjambor@suse.cz>
6082
6083         * tree-switch-conversion.c (gen_inbound_check): Make sure the type
6084         in which we generate arithmetics is not a subrange.
6085
6086 2008-07-14  Martin Jambor  <mjambor@suse.cz>
6087
6088         * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.
6089
6090 2008-07-14  Richard Guenther  <rguenther@suse.de>
6091
6092         * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.
6093
6094 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
6095
6096         PR target/36745
6097         * config/s390/s390.c: (s390_secondary_reload): Add a secondary
6098         reload for symbol refs moved to r0 with -fPIC.
6099         (legitimize_pic_address): Use the target register as temporary
6100         reg if possible.
6101         (emit_symbolic_move): Adjust comment.
6102         * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
6103         New expanders.
6104
6105 2008-07-14  Ben Elliston  <bje@au.ibm.com>
6106
6107         * c-common.h (C_CPP_HASHNODE): New macro.
6108         * coretypes.h (struct cpp_token): Forward declare.
6109         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
6110         the context-sensitive keyword method.
6111         * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
6112         __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
6113         expand_bool_pixel): New.
6114         (altivec_categorize_keyword): New function.
6115         (init_vector_keywords): New function.
6116         (rs6000_macro_to_expand): Likewise.
6117         (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
6118         compiling an ISO C dialect.
6119
6120 2008-07-13  Daniel Berlin  <dberlin@dberlin.org>
6121
6122         * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
6123         (create_expression_by_pieces): Fix typo.
6124         (do_regular_insertion): Use debug counter here too.
6125
6126 2008-07-14  Hans-Peter Nilsson  <hp@axis.com>
6127
6128         PR target/35492.
6129         * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
6130         CONST_OK_FOR_LETTER_P.  All port-local users changed.
6131         (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
6132         implement Kp matching power-of-two.
6133         (CONSTRAINT_LEN): Define to match.
6134         * config/cris/cris.md: Replace all use of constraint K with Kc.
6135         ("*btst*): Use Kp for operand 0 of last alternative.
6136
6137 2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6138
6139         PR testsuite/36440
6140         * tree-call-cdce.c (check_target_format): Accept MIPS single, double
6141         and quad formats.
6142
6143 2008-07-13  Jan Hubicka  <jh@suse.cz>
6144
6145         * tree.c (decl_assembler_name_equal): Expect assembler name of decl
6146         to be mangled too.
6147
6148 2008-07-13  Richard Guenther  <rguenther@suse.de>
6149
6150         PR middle-end/36811
6151         * langhooks.c (lhd_print_error_function): Deal with recursive
6152         BLOCK trees.
6153
6154 2008-07-12  Jan Hubicka  <jh@suse.cz>
6155
6156         * cgraph.c (assembler_name_hash): New static var.
6157         (hash_node_by_assembler_name, eq_assembler_name): New.
6158         (cgraph_node_for_asm): Use hashtable.
6159         (cgraph_remove_node): Maintain hashtable.
6160         (change_decl_assembler_name): Sanity check that names are not changing
6161         after aliasing was processed.
6162         * cgraph.h (varpoon_node): Add next GGC marker.
6163         * tree.c (decl_assembler_name_equal): Constify.
6164         (decl_assembler_name_hash): New.
6165         * tree.h (decl_assembler_name_equal): Constify.
6166         (decl_assembler_name_hash): Update.
6167
6168 2008-07-12  David Daney  <ddaney@avtrex.com>
6169
6170         * config/mips/driver-native.c (host_detect_local_cpu): Handle
6171         sb1 and r5000 cpus.
6172
6173 2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
6174
6175         * doc/md.texi: Document the MIPS "v" constraint.
6176         * config/mips/mips.h (reg_class): Revert last change.
6177         (REG_CLASS_NAMES): Likewise.
6178         (REG_CLASS_CONTENTS): Likewise.
6179         * config/mips/mips.c (mips_regno_to_class): Likewise.
6180         * config/mips/constraints.md (v): Likewise, but add documentation.
6181         Add a comment to say that this constraint should not be used in
6182         gcc code.
6183
6184 2008-07-11  DJ Delorie  <dj@redhat.com>
6185
6186         * config/h8300/h8300.md (length): Fix branch offset limit.
6187
6188 2008-07-11  Anatoly Sokolov  <aesok@post.ru>
6189
6190         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
6191         * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
6192         (avr_hard_regno_scratch_ok): New function.
6193         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
6194         * config/avr/avr.md (all peepholes that request a scratch register):
6195         Remove avr_peep2_scratch_safe use.
6196
6197 2008-07-11  Tom Tromey  <tromey@redhat.com>
6198             Ian Lance Taylor  <iant@google.com>
6199
6200         * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
6201         (struct c_common_resword): Define.
6202         (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
6203         (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
6204         (c_common_reswords, num_c_common_reswords): Declare.
6205         * c-common.c (c_common_reswords): New global const array.
6206         (num_c_common_reswords): New const int.
6207         * c-parser.c (struct resword, reswords): Don't define.
6208         (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
6209         (c_parse_init): Clarify mask code.  Use c_common_reswords rather
6210         than reswords.  If warning about C++ keywords, give them a special
6211         RID code.
6212         (c_lex_one_token): Warn about C++ keywords.  Call
6213         objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
6214         (c_parser_external_declaration): Look for RID_xxx rather than
6215         RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
6216         (c_parser_statement_after_labels): Likewise.
6217         (c_parser_objc_class_instance_variables): Likewise.
6218         (c_parser_objc_class_declaration): Likewise.
6219         (c_parser_objc_try_catch_statement): Likewise.
6220         * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
6221         (declspecs_add_type): Likewise.
6222
6223 2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>
6224
6225         * ggc-page.c (alloc_page):
6226         Substituting xmalloc, xcalloc with
6227         XNEWVEC and XCNEWVAR macros which add the
6228         needed casts.
6229
6230 2008-07-11  Richard Guenther  <rguenther@suse.de>
6231
6232         PR tree-optimization/36765
6233         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6234         aliases from HEAP vars to SMTs.
6235
6236 2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6237
6238         * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
6239         * configure.ac (loose_warn): Move -Wc++-compat from here...
6240         (strict_warn): ...to here.
6241         * configure: Regenerate.
6242
6243 2008-07-10  Joseph Myers  <joseph@codesourcery.com>
6244
6245         * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
6246         i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
6247         m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
6248         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
6249         excluding more specific h8300-*-* and sh-*-* targets.
6250
6251 2008-07-10  Daniel Berlin  <dberlin@dberlin.org>
6252
6253         * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
6254         (eliminate): Ditto.
6255         (execute_pre): Call loop_optimizer_finalize in early exit.
6256
6257 2008-07-10  Jakub Jelinek  <jakub@redhat.com>
6258
6259         PR middle-end/36790
6260         * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
6261         uids in the bitmap, not just VAR_DECL uids.
6262
6263         PR rtl-optimization/36419
6264         * combine-stack-adj.c (adjust_frame_related_expr): New function.
6265         (combine_stack_adjustments_for_block): Call it if needed.  Delete
6266         correct insn.
6267         * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
6268         DW_CFA_GNU_args_size if CSA pass merged some adjustments into
6269         prologue sp adjustment.
6270
6271 2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
6272
6273         PR other/28322
6274         * opts.c (print_ignored_options): Report postponed diagnostics for
6275         unknown -Wno-* options as warnings, not errors.
6276         (postpone_unknown_option_error): Renamed to...
6277         (postpone_unknown_option_warning): ... this.
6278
6279 2008-07-09  Doug Kwan  <dougkwan@google.com>
6280
6281         Revert:
6282         2008-07-08  Doug Kwan  <dougkwan@google.com>
6283
6284         * config/arm/arm.opt (mandroid): New option.
6285         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
6286         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
6287         (CC1_SPEC): Same.
6288         (CC1PLUS_SPEC): Same.
6289         (LIB_SPEC): Same.
6290         (STARTFILE_SPEC): Same.
6291         (ENDFILE_SPEC): Same.
6292         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
6293         used.
6294
6295 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
6296
6297         PR target/35802
6298         * config/mips/mips.h (reg_class): Remove V1_REG.
6299         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
6300         * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
6301         instead of V1_REGS.
6302         (mips_get_tp): New function.
6303         (mips_legitimize_tls_address): Use it.
6304         * config/mips/constraints.md (v): Delete.
6305         * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
6306         (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
6307         After reload, split into a move and ...
6308         (*tls_get_tp_<mode>_split): ...this new instruction.
6309
6310 2008-07-09  David Daney  <ddaney@avtrex.com>
6311
6312         * config/mips/driver-native.c: Include coretypes.h and tm.h.
6313
6314 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
6315
6316         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
6317         (push_gimplify_context): Don't allocate temp_htab nor c itself here.
6318         Add c argument.
6319         (pop_gimplify_context): Check c->temp_htab instead of optimize whether
6320         htab_delete should be called.  Don't free c.
6321         (lookup_tmp_var): Create temp_htab lazily.
6322         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
6323         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
6324         callers.
6325         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
6326         lower_omp_ordered, lower_omp_critical, lower_omp_for,
6327         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
6328         * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
6329         * tree-sra.c (generate_element_init): Likewise.
6330         * tree-mudflap.c (execute_mudflap_function_ops,
6331         execute_mudflap_function_decls): Likewise.
6332         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
6333         * tree-gimple.h (struct gimplify_ctx): New type.
6334         (push_gimplify_context): Adjust prototype.
6335
6336 2008-07-09  Daniel Berlin  <dberlin@dberlin.org>
6337
6338         * tree-ssa-pre.c (phi_translate_1): Update placement of
6339         add_to_value calls.
6340
6341 2008-07-09  Anatoly Sokolov  <aesok@post.ru>
6342
6343         * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
6344         * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
6345         (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
6346         * targhooks.c (default_hard_regno_scratch_ok): New function.
6347         * targhooks.h (default_hard_regno_scratch_ok): Declare function.
6348         * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
6349         * recog.c:  Include "target.h".
6350         (peep2_find_free_register): Add check for global regs. Add target
6351         specific check.
6352         * Makefile.in (recog.o): Depend on target.h.
6353
6354 2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>
6355
6356         * config/sh/sh.c (sh_canonical_va_list_type): New.
6357         (TARGET_CANONICAL_VA_LIST_TYPE): Define.
6358
6359 2008-07-09  Raksit Ashok <raksit@google.com>
6360
6361         * doc/invoke.texi (Option Summary): Mention new option
6362         -Wdisallowed-function-list=...
6363         (Warning Options): Document -Wdisallowed-function-list=...
6364         * common.opt (Wdisallowed-function-list=): New flag.
6365         * flags.h (warn_disallowed_functions): External definition of new
6366         boolean warning flag.
6367         (warn_if_disallowed_function_p): Declare new function.
6368         * opts.c (warning_disallowed_functions): New static variable.
6369         (warn_disallowed_functions): New boolean warning flag.
6370         (warn_if_disallowed_function_p): New function.
6371         (add_comma_separated_to_vector): Rename
6372         add_instrument_functions_exclude_list to this.
6373         (common_handle_option): Handle new option. Rename calls to
6374         add_instrument_functions_exclude_list into calls to
6375         add_comma_separated_to_vector.
6376         * c-parser.c (c_parser_postfix_expression_after_primary): New warning
6377         based on flag warn_disallowed_functions.
6378
6379 2008-07-09  Christian Bruel  <christian.bruel@st.com>
6380
6381         * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
6382          instead of get_attr_length.
6383
6384 2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6385
6386         * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
6387         keywords.
6388         * genemit.c (gen_insn): Likewise.
6389         * gengtype.c (note_def_vec): Likewise.
6390         * gengtype.h (note_def_vec): Likewise.
6391         * genoutput.c (struct data, output_insn_data, process_template,
6392         gen_expand, gen_split, note_constraint): Likewise.
6393         * genrecog.c (new_decision, add_to_sequence, factor_tests,
6394         make_insn_sequence): Likewise.
6395         * gensupport.c (record_insn_name): Likewise.
6396
6397 2008-07-08  Doug Kwan  <dougkwan@google.com>
6398
6399         * config/arm/arm.opt (mandroid): New option.
6400         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
6401         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
6402         (CC1_SPEC): Same.
6403         (CC1PLUS_SPEC): Same.
6404         (LIB_SPEC): Same.
6405         (STARTFILE_SPEC): Same.
6406         (ENDFILE_SPEC): Same.
6407         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
6408         used.
6409
6410 2008-07-08  Raksit Ashok  <raksit@google.com>
6411
6412         * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
6413         (set_storage_via_setmem): Fix expected_align parameter.
6414         * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
6415         missing from the list.
6416         * doc/md.texi (movmem): Explicitly state that expected alignment is
6417         to be expressed in bytes.
6418         (setmem): Explicitly state that expected alignment is to be expressed
6419         in bytes.
6420
6421 2008-07-08  Joseph Myers  <joseph@codesourcery.com>
6422
6423         * reload.c (find_reloads_subreg_address): Do not require validity
6424         of address in original mode before reloading address.
6425
6426 2008-07-07  Tianwei Sheng  <tianweis@google.com>
6427
6428         * df-core.c (df_remove_problem): Adjust the access to avoid out of
6429         bounds array access.
6430
6431 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
6432
6433         * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.
6434
6435 2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
6436
6437         Fix PR tree-optimization/23455
6438         Fix PR tree-optimization/35286
6439         Fix PR tree-optimization/35287
6440         * Makefile.in (OBJS-common): Remove tree-vn.o.
6441         (tree-vn.o): Remove.
6442         * dbgcnt.def: Add treepre_insert debug counter.
6443         * gcc/tree-flow.h (add_to_value): Updated for other changes.
6444         (debug_value_expressions): Ditto.
6445         (print_value_expressions): Ditto.
6446         * tree-pretty-print.c (dump_generic_node): Updated for
6447         VALUE_HANDLE removal.
6448         * tree-ssa-dom.c (record_equality): Ditto.
6449         (cprop_operand): Ditto.
6450         (lookup_avail_expr): Ditto.
6451         * tree-ssa-threadedge.c
6452         (record_temporary_equivalences_from_stmts_at_dest): Ditto.
6453         (simplify_control_stmt_condition): Ditto.
6454         * tree.c (tree_code_size): Ditto.
6455         (tree_node_structure): Ditto.
6456         (iterative_hash_expr): Ditto.
6457         * tree.def: Ditto.
6458         * tree.h (VALUE_HANDLE_ID): Ditto.
6459         (VALUE_HANDLE_EXPR_SET): Ditto.
6460         (struct tree_value_handle): Ditto.
6461         (union tree_node): Ditto.
6462         * treestruct.def: Ditto.
6463         * tree-vn.c: Removed.
6464         * tree-ssa-pre.c: Rewritten entirely.
6465         * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
6466         (constant_value_ids): Ditto.
6467         (vn_nary_op_t): Moved to header.
6468         (vn_phi_t): Ditto.
6469         (vn_reference_op_t): Ditto
6470         (vn_reference_t): Ditto.
6471         (next_value_id): New variable.
6472         (VN_INFO): Add an assert.
6473         (vn_constant_eq): New function.
6474         (vn_constant_hash): Ditto.
6475         (get_or_alloc_constant_value_id): Ditto.
6476         (value_id_constant_p): Ditto.
6477         (vn_reference_compute_hash): De-staticify.
6478         (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
6479         Disable some code with a FIXME.  Remove VALUE_HANDLE use.
6480         (valueize_refs): Update opcode if it changes from ssa name to constant.
6481         (vn_reference_lookup_1): Add new argument.
6482         (vn_reference_lookup):  Ditto.
6483         (vn_reference_lookup_pieces): New function.
6484         (vn_reference_insert): Add return type. Modify to deal with value ids.
6485         (vn_reference_insert_pieces):  New function.
6486         (vn_nary_op_compute_hash): De-staticify.
6487         (vn_nary_op_eq): Ditto.
6488         (vn_nary_op_lookup_pieces): New function.
6489         (vn_nary_op_lookup): Add new argument.
6490         (vn_nary_op_insert_pieces): New function.
6491         (vn_nary_op_insert): Add return type. Modify to deal with value ids.
6492         (vn_phi_insert): Ditto.
6493         (visit_unary_op): Update for callee changes.
6494         (visit_binary_op): Ditto.
6495         (visit_reference_op_load): Ditto.
6496         (visit_reference_op_store): Ditto.
6497         (init_scc_vn): Init next_value_id, constant_to_value_id and
6498         constant_value_ids.
6499         (free_scc_vn): Free them.
6500         (set_hashtable_value_ids): New function.
6501         (run_scc_vn): Use it.
6502         (get_max_value_id): New function.
6503         (get_next_value_id): Ditto.
6504         (expressions_equal_p): Moved from tree-vn.c
6505         (sort_vuses): Ditto.
6506         (sort_vuses_heap): Ditto.
6507         * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
6508         above).
6509         * tree.c (iterative_hash_hashval_t): Made non-static
6510         * tree.h (iterative_hash_hashval_t): Declare it.
6511
6512 2008-07-08  Martin Jambor  <mjambor@suse.cz>
6513
6514         * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
6515         instead of ipa_create_node_params.
6516         (ipcp_driver): Allocate infos with ipa_check_create_node_params and
6517         ipa_check_create_edge_args, free them with
6518         free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.
6519
6520         * ipa-prop.c: Include flags.h and tree-inline.h.
6521         (ipa_node_params_vector): New variable.
6522         (ipa_edge_args_vector): New variable.
6523         (edge_removal_hook_holder): New variable.
6524         (node_removal_hook_holder): New variable.
6525         (edge_duplication_hook_holder): New variable.
6526         (node_duplication_hook_holder): New variable.
6527         (ipa_detect_param_modifications): Check for presence of modified flags.
6528         (ipa_compute_jump_functions): Check for presence of jump functions.
6529         (ipa_free_edge_args_substructures): New function.
6530         (ipa_create_node_params): Removed.
6531         (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
6532         (ipa_free_node_params_substructures): New function.
6533         (ipa_free_all_node_params): Changed to deallocate the on-the-side
6534         vector.
6535         (ipa_edge_removal_hook): New function.
6536         (ipa_node_removal_hook): New function.
6537         (duplicate_array): New function.
6538         (ipa_edge_duplication_hook): New function.
6539         (ipa_node_duplication_hook): New function.
6540         (ipa_register_cgraph_hooks): New function.
6541         (ipa_unregister_cgraph_hooks): New function.
6542         (free_all_ipa_structures_after_ipa_cp): New function.
6543
6544         * ipa-prop.h: Include vec.h.
6545         (ipa_node_params_t): New typedef with vector types for it.
6546         (ipa_edge_args_t):  New typedef with vector types for it.
6547         (IPA_NODE_REF): Changed to access an on-the-side vector.
6548         (IPA_EDGE_REF): Changed to access an on-the-side vector.
6549         (ipa_check_create_node_params): New function.
6550         (ipa_check_create_edge_args): New function.
6551
6552         * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
6553         all users.
6554
6555 2008-07-07  Tom Tromey  <tromey@redhat.com>
6556
6557         * configure, config.in: Rebuilt.
6558         * configure.ac: Don't check for scandir or alphasort.
6559
6560 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
6561
6562         * config/arm/arm.c (arm_init_neon_builtins): Register built-in
6563         types immediately after creating them.
6564
6565 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
6566
6567         * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.
6568
6569 2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>
6570
6571         * tree-ssa-structalias.c (compute_points_to_sets): Add call to
6572         dump_constraint_graph.
6573         (dump_constraint_edge): New function.
6574         (dump_constraint_graph): New function.
6575         (debug_constraint_graph): New function.
6576         (dump_constraint): Removed useless comparison.
6577         * tree-ssa-structalias.h (dump_constraint_edge): Declare.
6578         (dump_constraint_graph): Declare.
6579         (debug_constraint_graph): Declare.
6580         * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.
6581
6582 2008-07-07  Kai Tietz  <kai.tietz@onevision.com>
6583
6584         * config/i386/i386.c (is_va_list_char_pointer): New.
6585         (ix86_va_start): Replace compare with ms_va_list_type_node
6586         by is_va_list_char_pointer.
6587         (ix86_gimplify_va_arg): Likewise.
6588
6589 2008-07-07  Martin Jambor  <mjambor@suse.cz>
6590
6591         * cgraph.c (cgraph_edge_max_uid): New variable.
6592         (struct cgraph_edge_hook_list): New type.
6593         (struct cgraph_node_hook_list): New type.
6594         (struct cgraph_2edge_hook_list): New type.
6595         (struct cgraph_2node_hook_list): New type.
6596         (first_cgraph_edge_removal_hook): New variable.
6597         (first_cgraph_node_removal_hook): New variable.
6598         (first_cgraph_edge_duplicated_hook): New variable.
6599         (first_cgraph_node_duplicated_hook): New variable.
6600         (cgraph_add_edge_removal_hook): New function.
6601         (cgraph_remove_edge_removal_hook): New function.
6602         (cgraph_call_edge_removal_hooks):  New function.
6603         (cgraph_add_node_removal_hook):  New function.
6604         (cgraph_remove_node_removal_hook):  New function.
6605         (cgraph_call_node_removal_hooks):  New function.
6606         (cgraph_add_edge_duplication_hook):  New function.
6607         (cgraph_remove_edge_duplication_hook):  New function.
6608         (cgraph_call_edge_duplication_hooks):  New function.
6609         (cgraph_add_node_duplication_hook):  New function.
6610         (cgraph_remove_node_duplication_hook):  New function.
6611         (cgraph_call_node_duplication_hooks):  New function.
6612         (cgraph_create_edge): Assign to edge uid.
6613         (cgraph_remove_edge): Call edge removal hooks.
6614         (cgraph_node_remove_callees): Call edge removal hooks.
6615         (cgraph_node_remove_callers): Call edge removal hooks.
6616         (cgraph_remove_node): Call node removal hooks.
6617         (cgraph_clone_edge): Call edge duplication hooks.
6618         (cgraph_clone_node): Call node duplication hooks.
6619
6620         * cgraph.h (cgraph_edge): New field uid.
6621         (cgraph_edge_hook): New type.
6622         (cgraph_node_hook): New type.
6623         (cgraph_2edge_hook): New type.
6624         (cgraph_2node_hook): New type.
6625
6626 2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>
6627
6628         * config.in: Regenerate.
6629
6630 2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>
6631
6632         * gcc.c (print_sysroot): New.
6633         (option_map, display_help, process_command): Handle the
6634         -print-sysroot option.
6635         (main): Print the sysroot if requested.
6636         * doc/invoke.texi (Debugging Options): Document -print-sysroot.
6637
6638 2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6639
6640         PR target/34780
6641         * unwind-pe.h (size_of_encoded_value): add attribute unused.
6642
6643 2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>
6644
6645         * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
6646         (assign_parm_setup_block_p): Also check mode of entry_parm.
6647
6648 2008-07-07  Richard Guenther  <rguenther@suse.de>
6649
6650         * tree-ssa-structalias.h (set_used_smts): Remove.
6651         * tree-ssa-structalias.c (used_smts): Likewise.
6652         (set_used_smts): Likewise.
6653         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
6654         call to set_used_smts.
6655
6656 2008-07-07  Richard Guenther  <rguenther@suse.de>
6657
6658         * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
6659         (new_var_info): Set it to false.
6660         (solution_set_add): Correctly handle pointers outside a var and
6661         inside a field.
6662         (type_safe): Treat variables with is_full_var properly.
6663         (do_sd_constraint): Likewise.
6664         (do_ds_constraint): Likewise.
6665         (process_constraint): Remove zeroing offset for !use_field_sensitive.
6666         (get_constraint_for_ptr_offset): New function.
6667         (get_constraint_for_component_ref): For addresses at least include
6668         the last field of the variable.  Handle is_full_vars properly.
6669         (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
6670         (handle_ptr_arith): Remove.
6671         (find_func_aliases): Simplify assignment handling.
6672         (create_function_info_for): For parameter and result varinfos set
6673         is_full_var flag.
6674         (create_variable_info_for): Set is_full_var flag whenever we
6675         just created a single varinfo for a decl.
6676         (init_alias_vars): Initialize use_field_sensitive from
6677         max-fields-for-field-sensitive parameter.
6678
6679 2008-07-07  Richard Guenther  <rguenther@suse.de>
6680
6681         PR tree-optimization/36713
6682         * tree-flow-inline.h (is_call_used): New function.
6683         * tree-nrv.c (dest_safe_for_nrv_p): Use it.
6684         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
6685         * tree-outof-ssa.c (create_temp): Set call-used flag if required.
6686
6687 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6688
6689         * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
6690
6691 2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
6692
6693         * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
6694
6695 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6696             Nathan Sidwell  <nathan@codesourcery.com>
6697
6698         * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
6699         to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
6700         tmake_file.
6701         * config/m68k/t-linux: New.
6702         * doc/install.texi: Document m68k-*-linux is now multilibbed by
6703         default.
6704
6705 2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6706
6707         * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
6708         * config/m68k/m68k-devices.def: Remove multilibs that only differ
6709         by MAC/EMAC.
6710
6711 2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6712
6713         * gcc.c (execute): Fix -Wc++-compat warning.
6714
6715 2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>
6716
6717         PR target/36720
6718         * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
6719         constant for little endian.
6720
6721 2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>
6722
6723         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
6724         mips_base_mips16 instead of TARGET_MIPS16.
6725         (mips_base_mips16): Declare.
6726         * config/mips/mips.c (mips_base_mips16): Make global.
6727         (was_mips16_p): Remove GTY marker.
6728         (was_mips16_pch_p): New variable.
6729         (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
6730         (mips_override_options): Force to non-MIPS16 mode initially.
6731         Do not complain about MIPS16 PIC incompatibilities here.
6732         Only allow -mgpopt if -mexplicit-relocs is in force for
6733         non-MIPS16 code.
6734
6735 2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>
6736
6737         * configure.ac: Check for caddr_t, define to char * if not defined.
6738         * configure: Regenerate.
6739         * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
6740         (mmap_gt_pch_use_address): Likewise.
6741         * config/host-solaris.c (sol_gt_pch_use_address): Likewise.
6742
6743 2008-07-06  Richard Guenther  <rguenther@suse.de>
6744
6745         * tree-ssa-structalias.c (struct variable_info): Remove has_union.
6746         (new_var_info): Deal with it.
6747         (solution_set_add): Likewise.
6748         (bitpos_of_field): Make signed, fix.
6749         (struct fieldoff): Remove type and decl fields.  Make size field
6750         unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
6751         flags.
6752         (fieldoff_compare): Deal with it.
6753         (push_fields_onto_fieldstack): Remove has_union argument, glob
6754         adjacent non-pointer fields together.
6755         (create_function_info_for): Do not set has_union.
6756         (create_variable_info_for): Simplify.
6757
6758 2008-07-06  Kai Tietz  <kai.tietz@onevision.com>
6759
6760         * config.gcc (extra_headers): Add cross-stdarg.h for target
6761         x86_64-*-* and i?86-*-*.
6762         * config/i386/cross-stdarg.h: New.
6763         * builtins.c (std_fn_abi_va_list): New.
6764         (std_canonical_va_list_type): New.
6765         (stabilize_va_list): Replace va_list_type_node use by
6766         mtarget.canonical_va_list_type.
6767         (gimplify_va_arg_expr): Likewise.
6768         (expand_builtin_va_copy): Replace va_list_type_node use by
6769         mtarget.fn_abi_va_list.
6770         * tree-sra.c (is_va_list_type): New helper.
6771         (decl_can_be_decomposed_p): Replace
6772         va_list_type_node use by is_va_list_type.
6773         * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
6774         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
6775         * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
6776         * config/i386/i386-protos.h (ix86_get_valist_type): New.
6777         (ix86_enum_va_list): New.
6778         * config/i386/i386.c (sysv_va_list_type_node): New.
6779         (ms_va_list_type_node): New.
6780         (ix86_function_type_abi): Remove sorry.
6781         (ix86_build_builtin_va_list_abi): New.
6782         (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
6783         for 64-bit targets.
6784         (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
6785         (ix86_init_builtins_va_builtins_abi): New.
6786         (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
6787         for 64-bit targets.
6788         (ix86_handle_abi_attribute): New.
6789         (attribute_spec): Add sysv_abi and ms_abi.
6790         (ix86_fn_abi_va_list): New.
6791         (ix86_canonical_va_list_type): New.
6792         (ix86_enum_va_list): New.
6793         (TARGET_FN_ABI_VA_LIST): New.
6794         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6795         * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
6796         * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
6797         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6798         (TARGET_ENUM_VA_LIST): New.
6799         * expr.h (std_fn_abi_va_list): New.
6800         (std_canonical_va_list_type): New.
6801         * target-def.h (TARGET_FN_ABI_VA_LIST): New.
6802         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6803         (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
6804         TARGET_CANONICAL_VA_LIST_TYPE.
6805         * target.h (struct gcc_target): Add fn_abi_va_list hook
6806         and canonical_va_list_type hook.
6807
6808 2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6809
6810         * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
6811         integral and pointer types.
6812
6813 2008-07-04  Roger Sayle  <roger@eyesopen.com>
6814
6815         * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
6816         the "void*" result of xmalloc to "char*" to fix bootstrap breakage.
6817
6818 2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
6819
6820         PR target/36684
6821         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.
6822
6823 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
6824
6825         * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
6826         build_gimple_modify_stmt.
6827         (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
6828         gimple operand.  Use fold_build* instead of build*.
6829
6830 2008-07-04  Richard Guenther  <rguenther@suse.de>
6831
6832         * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
6833         (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
6834         properly to compute the reachability set if we do field-sensitive PTA.
6835         * invoke.texi (max-fields-for-field-sensitive): Document default.
6836         * opts.c (decode_options): Set max-fields-for-field-sensitive to
6837         100 for optimize >= 2.
6838
6839 2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6840
6841         * ggc-zone.c (lookup_page_table_if_allocated,
6842         set_page_table_entry, zone_find_object_size, alloc_small_page,
6843         alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
6844         new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
6845         -Wc++-compat and/or -Wcast-qual warnings.
6846
6847 2008-07-04  Alan Modra  <amodra@bigpond.net.au>
6848
6849         PR target/36634
6850         * config/rs6000/rs6000.md (call, call_value): Don't arrange for
6851         pic_offset_table_rtx to be marked as used here.
6852         (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
6853         TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
6854         (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
6855         (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
6856         !TARGET_SECURE_PLT.
6857
6858 2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6859
6860         * alloc-pool.c (hash_descriptor, eq_descriptor,
6861         alloc_pool_descriptor): Fix -Wc++-compat warnings.
6862         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
6863         Likewise.
6864         * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
6865         loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
6866         final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
6867         * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
6868         Likewise.
6869
6870 2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>
6871
6872         * tree-flow.h (loop_only_exit_p): Declare.
6873         * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
6874         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
6875         the number of iterations if it is constant.  Otherwise, if this is the
6876         only possible exit of the loop, use the conservative estimate on the
6877         number of iterations of the entire loop if available.
6878
6879 2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>
6880
6881         * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
6882         * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
6883         Add synchronization functions.
6884         * config/sync.c: New file.
6885         * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
6886         (LIBGCC_SYNC_CFLAGS): Likewise.
6887
6888 2008-07-03  Uros Bizjak  <ubizjak@gmail.com>
6889
6890         PR target/36710
6891         * config/i386/i386.md (mode): Add TF to "mode" attribute.
6892         (*pushtf_sse): New insn pattern.
6893         (pushtf splitters): New splitters.
6894
6895 2008-07-03  Michael Meissner  <gnu@the-meissners.org>
6896
6897         PR middle-end/35736
6898         * predict.c (build_predict_expr): Use void_type_node for the tree
6899         type, instead of NULL_TREE.
6900
6901 2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>
6902
6903         * config/i386/i386.c (contains_aligned_value_p): Return true
6904         for TCmode.
6905         (ix86_data_alignment): Align TCmode to 128bits.
6906         (ix86_local_alignment): Likewise.
6907
6908 2008-07-03  Andrew Haley  <aph@redhat.com>
6909
6910         PR bootstrap/33304
6911         * vec.h (VEC_TA): New.
6912         (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
6913         DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
6914         * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
6915         (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
6916         (C_COMMON_FIXED_TYPES): Remove first arg.
6917         (C_COMMON_FIXED_MODE_TYPES): Likewise.
6918         * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
6919         MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
6920         not to use empty macro arguments.
6921
6922 2008-07-02  Joseph Myers  <joseph@codesourcery.com>
6923
6924         * config/alpha/vms_tramp.asm, config/arm/crti.asm,
6925         config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
6926         config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
6927         config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
6928         config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
6929         config/i386/sol2-gc1.asm, config/ia64/crti.asm,
6930         config/ia64/crtn.asm, config/m68hc11/larith.asm,
6931         config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
6932         config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
6933         config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
6934         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
6935         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
6936         config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
6937         config/rs6000/e500crtres64gpr.asm,
6938         config/rs6000/e500crtres64gprctr.asm,
6939         config/rs6000/e500crtrest32gpr.asm,
6940         config/rs6000/e500crtrest64gpr.asm,
6941         config/rs6000/e500crtresx32gpr.asm,
6942         config/rs6000/e500crtresx64gpr.asm,
6943         config/rs6000/e500crtsav32gpr.asm,
6944         config/rs6000/e500crtsav64gpr.asm,
6945         config/rs6000/e500crtsav64gprctr.asm,
6946         config/rs6000/e500crtsavg32gpr.asm,
6947         config/rs6000/e500crtsavg64gpr.asm,
6948         config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
6949         config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
6950         config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
6951         config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
6952         config/sparc/sol2-cn.asm: Remove .file directives.
6953
6954 2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
6955
6956         * resource.c (mark_referenced_resources): Look inside
6957         UNSPEC_VOLATILEs and ASM_INPUTs.
6958
6959 2008-07-02  Ian Lance Taylor  <iant@google.com>
6960
6961         * rtlanal.c (add_reg_note): New function.
6962         * rtl.h (add_reg_note): Declare.
6963         * auto-inc-dec.c (attempt_change): Use add_reg_note.
6964         * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
6965         * builtins.c (expand_builtin_longjmp): Likewise.
6966         (expand_builtin_nonlocal_goto): Likewise.
6967         * calls.c (emit_call_1, expand_call): Likewise.
6968         * cfgexpand.c (add_reg_br_prob_note): Likewise.
6969         * cfglayout.c (fixup_reorder_chain): Likewise.
6970         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
6971         (commit_one_edge_insertion): Likewise.
6972         * combine.c (move_deaths, distribute_notes): Likewise.
6973         * df-problems.c (df_set_note): Likewise.
6974         * emit-rtl.c (link_cc0_insns, try_split): Likewise.
6975         (set_unique_reg_note): Likewise.
6976         (emit_copy_of_insn_after): Likewise.
6977         * expr.c (expand_expr_real): Likewise.
6978         * gcse.c (add_label_notes): Likewise.
6979         * haifa-sched.c (create_check_block_twin): Likewise.
6980         * jump.c (mark_jump_label_1): Likewise.
6981         * loop-doloop.c (add_test, doloop_modify): Likewise.
6982         * loop-unswitch.c (compare_and_jump_seq): Likewise.
6983         * lower-subreg.c (move_eh_region_note): Likewise.
6984         * optabs.c (emit_libcall_block): Likewise.
6985         * predict.c (predict_insn): Likewise.
6986         (combine_predictions_for_insn): Likewise.
6987         * recog.c (peephole2_optimize): Likewise.
6988         * regmove.c (try_auto_increment): Likewise.
6989         * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
6990         * reload.c (find_reloads): Likewise.
6991         * reload1.c (fixup_eh_region_note): Likewise.
6992         (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
6993         * reorg.c (delete_prior_computation): Likewise.
6994         (delete_computation, dbr_schedule): Likewise.
6995         * config/pa/pa.c (legitimize_pic_address): Likewise.
6996         * config/sh/sh.c (sh_reorg): Likewise.
6997
6998 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6999
7000         PR target/36669
7001         * config/libgcc-glibc.ver: Add %exclude.
7002         * config/m32r/libgcc-glibc.ver: Likwise.
7003         * config/s390/libgcc-glibc.ver: Likwise.
7004         * config/sh/libgcc-glibc.ver: Likwise.
7005         * config/sparc/libgcc-sparc-glibc.ver: Likwise.
7006
7007         * config/i386/libgcc-glibc.ver: New.
7008
7009         * config/i386/libgcc-x86_64-glibc.ver: Removed.
7010
7011 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
7012
7013         * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
7014         from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
7015         i[34567]86-*-linux*, x86_64-*-linux*.  Add
7016         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
7017         i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
7018         x86_64-*-linux*.  Add i386/t-linux to tmake_file for
7019         i[34567]86-*-linux*, x86_64-*-linux*.
7020
7021         * libgcc-std.ver: Add empty GCC_4.4.0.
7022
7023         * mkmap-symver.awk: Support multiple versions per symbol.
7024
7025         * config/i386/i386.c (ix86_init_builtins): Always define
7026         __builtin_fabsq and __builtin_copysignq with fallbacks.
7027         (ix86_expand_builtin): Emit normal call for __builtin_fabsq
7028         and __builtin_copysignq if SSE2 isn't available.
7029
7030         * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
7031         (LIBGCC2_TF_CEXT): Likwise.
7032         (TF_SIZE): Likwise.
7033
7034         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
7035
7036         * config/i386/sfp-machine.h: Moved to libgcc.
7037
7038         * config/i386/sfp-machine.h: New.
7039         * config/i386/t-linux: Likwise.
7040
7041         * config/i386/t-darwin: Remove softfp_wrap_start and
7042         softfp_wrap_end.
7043         * config/i386/t-darwin64: Likewise.
7044
7045         * config/i386/t-fprules-softfp64: Renamed to ...
7046         * config/i386/t-fprules-softfp: This.
7047
7048         * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
7049         and softfp_wrap_end.
7050
7051 2008-07-02  Jason Merrill  <jason@redhat.com>
7052
7053         * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.
7054
7055         * tree.c (ctor_to_list): New fn.
7056         * tree.h: Declare it.
7057         (CONSTRUCTOR_ELT): New macro.
7058         (CONSTRUCTOR_NELTS): New macro.
7059
7060 2008-07-02  Richard Guenther  <rguenther@suse.de>
7061
7062         * tree-ssa-structalias.c (struct variable_info): Reorder
7063         to fill padding on 64bit hosts.  Make collapsed_to an int.
7064         (get_varinfo_fc): Deal with that.
7065         (new_var_info): Likewise.
7066         (collapse_rest_of_var): Likewise.
7067
7068 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
7069
7070         * doc/install.texi (--enable-java-home): Document.
7071         (--enable-aot-compile-rpm): Likewise.
7072         (--with-arch-directory): Likewise.
7073         (--with-os-directory): Likewise.
7074         (--with-origin-name): Likewise.
7075         (--with-arch-suffix): Likewise.
7076         (--with-jvm-root-dir): Likewise.
7077         (--with-jvm-jar-dir): Likewise.
7078         (--with-python-dir): Likewise.
7079
7080 2008-07-02  Richard Guenther  <rguenther@suse.de>
7081
7082         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
7083         from decls explicitly.  Merge operand checking from tuples.
7084
7085 2008-07-02  Martin Jambor  <mjambor@suse.cz>
7086
7087         * tree-switch-conversion.c: Included timevar.h which I forgot before.
7088
7089 2008-07-02  Martin Jambor  <mjambor@suse.cz>
7090
7091         * tree-switch-conversion.c: Included timevar.h
7092         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
7093
7094         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
7095
7096 2008-07-02  Martin Jambor  <mjambor@suse.cz>
7097
7098         * tree-switch-conversion.c: Corrected various comments and
7099         whitespace issues
7100         (build_constructors): Fixed minor formatting mistakes.
7101
7102         * invoke.texi (Optimize Options): Corrected the
7103         switch-conversion-max-branch-ratio parameter.
7104
7105 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
7106
7107         * final.c (asm_insn_count): Return zero for an empty asm body.
7108
7109 2008-07-02  Richard Guenther  <rguenther@suse.de>
7110
7111         * bitmap.h (bitmap_set_bit): Return bool.
7112         (bitmap_clear_bit): Likewise.
7113         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
7114         write to the bitmap if it would.
7115         (bitmap_clear_bit): Likewise.
7116         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
7117         bitmap_set_bit return value.
7118         (add_pred_graph_edge): Likewise.
7119         (add_graph_edge): Likewise.
7120         (do_sd_constraint): Likewise.
7121         (do_ds_constraint): Likewise.
7122
7123 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7124
7125         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
7126         Fix -Wc++-compat and/or -Wcast-qual warnings.
7127         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
7128         gen_regparm_prefix): Likewise.
7129         * vmsdbgout.c (write_modbeg, lookup_filename,
7130         vmsdbgout_source_line, vmsdbgout_init): Likewise.
7131
7132 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
7133
7134         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
7135         defaults.h definition apply.
7136
7137 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
7138
7139         * function.c (assign_parm_remove_parallels): New.
7140         (assign_parm_setup_block_p): Do not return true for non-BLKmode
7141         PARALLELs.
7142         (assign_parm_setup_block): Do not handle them.
7143         (assign_parm_setup_reg, assign_parm_setup_stack): Call
7144         assign_parm_remove_parallels.
7145
7146 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
7147
7148         * c-typeck.c (convert_for_assignment): Use
7149         vector_targets_convertible_p.
7150         * c-common.c (vector_targets_convertible_p): New.
7151         * c-common.h (vector_targets_convertible_p): New prototype.
7152         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
7153         opaque_p_V2SI_type_node.
7154
7155 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
7156
7157         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
7158         RFmode constants.
7159
7160 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
7161
7162         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
7163         TFmode constants via two element DImode vector for hosts with
7164         HOST_BITS_PER_WIDE_INT < 64.
7165         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
7166         also for HOST_BITS_PER_WIDE_INT < 64.
7167
7168 2008-07-01  Richard Guenther  <rguenther@suse.de>
7169
7170         PR tree-optimization/36666
7171         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
7172         (get_constraint_exp_from_ssa_var): Split into ...
7173         (get_constraint_exp_for_temp): ... this ...
7174         (get_constraint_for_ssa_var): ... and that.
7175         Return constraint expressions for all touched sub-fields
7176         if the results address is not taken.
7177         (process_constraint): Remove assertion that aggregate
7178         assignments do not happen at this place.
7179         (get_constraint_for_component_ref): Add address_p argument.
7180         Return constraint expressions for all touched sub-fields
7181         if the results address is not taken.
7182         (do_deref): Use get_constraint_exp_for_temp.
7183         (get_constraint_for_1): Rename from ...
7184         (get_constraint_for): ... this.  Add the old function as wrapper.
7185         (do_structure_copy): Use get_constraint_for_1.
7186
7187 2008-07-01  Martin Jambor  <mjambor@suse.cz>
7188
7189         * Makefile.in (tree-switch-conversion.o): Add.
7190         (OBJS-common): Add tree-swtch-conversion.o.
7191         * passes.c (init_optimization_passes): Add pass_convert_switch.
7192         * tree-pass.h: (pass_convert_switch): Add.
7193         * tree-switch-conversion.c: New file.
7194         * gcc.dg/tree-ssa/cswtch.c: New testcase.
7195         * common.opt (ftree-cswtch): New option.
7196         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
7197         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
7198         * opts.c (decode_options): Set flag_tree_switch_conversion when
7199         optimization level is >= 2.
7200         * doc/invoke.texi (Optimize Options): Added description of
7201         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
7202
7203 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7204
7205         * config/darwin-driver.c (darwin_default_min_version): Fix
7206         -Wc++-compat warnings.
7207
7208 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
7209
7210         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
7211         of operand 0.
7212
7213 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
7214
7215         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
7216
7217 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
7218
7219         PR rtl-optimization/34744
7220         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
7221         (df_scan_free_internal): Free data structures not
7222         allocated in storage pools.
7223         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
7224         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
7225         df_scan_free_mws_vec.
7226         * dse.c (dse_step6): Free offset_map_p and offset_map_n
7227         unconditionally.
7228
7229 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
7230
7231         * config/i386/i386.c (contains_aligned_value_p): Return true
7232         for __float128.
7233         (ix86_function_arg_boundary): Return its natural boundary
7234         for __float128.
7235         (return_in_memory_32): Don't check TDmode.
7236         (ix86_split_to_parts): Support splitting into 4 parts and
7237         support TFmode for 32bit target.
7238         (ix86_split_long_move): Support splitting into 4 parts.
7239         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
7240         for SSE2.
7241         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
7242         (ix86_init_builtins): Here.
7243         (ix86_scalar_mode_supported_p): Always return true for TFmode.
7244         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
7245         'q' and 'w', respectively.
7246
7247         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
7248         TARGET_64BIT.
7249         (movtf_internal): Likewise.
7250         (<code>tf2): Likewise.
7251         (*absnegtf2_sse): Likewise.
7252         (copysign<mode>3): Likewise.
7253         (copysign<mode>3_const): Likewise.
7254         (copysign<mode>3_var): Likewise.
7255         (define_split UNSPEC_COPYSIGN): Likewise.
7256         * config/i386/sse.md (*nandtf3): Likewise.
7257         (<code>tf3): Likewise.
7258         (*<code>tf3): Likewise.
7259
7260 2008-06-30  Joey Ye  <joey.ye@intel.com>
7261             H.J. Lu  <hongjiu.lu@intel.com>
7262
7263         * global.c (compute_regsets): Set frame_pointer_needed here.
7264         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
7265
7266 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
7267
7268         * doc/install.texi (specific): Expand Windows build notes.
7269
7270 2008-06-30  Ira Rosen  <irar@il.ibm.com>
7271
7272         PR tree-optimization/36648
7273         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
7274         number of prolog iterations by step. Fix the comment.
7275
7276 2008-06-30  Richard Guenther  <rguenther@suse.de>
7277
7278         PR middle-end/36671
7279         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
7280         handle calls from ECF_MALLOC functions.
7281         (handle_pure_call): ECF_MALLOC functions do not return
7282         call-used memory.
7283         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
7284
7285 2008-06-29  Andreas Schwab  <schwab@suse.de>
7286
7287         * config/m68k/m68k.c (print_operand): Always print a float
7288         constant in hex.
7289         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
7290         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
7291         Remove macros.
7292
7293         * config/rs6000/x-linux64: Remove never used file.
7294
7295 2008-06-29  Richard Guenther  <rguenther@suse.de>
7296
7297         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
7298         prototype.
7299         (struct alias_info): Move ...
7300         * tree-ssa-alias.c: ... here.
7301         (update_alias_info): Declare.
7302         (compute_may_aliases): Call it.
7303         (update_alias_info): New function.
7304         * tree-ssa-structalias.c (update_alias_info): Move ...
7305         * tree-ssa-alias.c (update_alias_info_1): ... here.
7306         * tree-ssa-structalias.c (process_constraint_1): Remove
7307         unused from_call argument.  Rename to ...
7308         (process_constraint): ... this.  Delete old wrapper.
7309         (make_constraint_to): Adjust callers.
7310         (handle_const_call): Likewise.
7311         (handle_pure_call): Likewise.
7312         (init_base_vars): Likewise.
7313         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
7314         (find_func_aliases): We don't need structure copies for
7315         complex types.
7316         (make_constraint_from_anything): Remove.
7317         (create_variable_info_for): For globals make constraints
7318         from escaped, not from anything.
7319         (compute_points_to_sets): Do not call update_alias_info.
7320         (ipa_pta_execute): Use make_constraint_from.
7321
7322 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7323
7324         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
7325         (bitmap.o-warn, dominance.o-warn): New.
7326         * configure.ac (cxx_compat_warn): Delete.
7327         (loose_warn): Add -Wcast-qual and -Wc++-compat.
7328         * system.h: Remove #pragma diagnostic for -Wcast-qual and
7329         -Wc++-compat.
7330         * configure: Regenerate.
7331
7332         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
7333         warnings.
7334
7335 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7336
7337         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
7338         * df-scan.c (df_notes_rescan): Likewise.
7339         * ggc-page.c (set_page_table_entry): Likewise.
7340         * intl.c (gcc_gettext_width): Likewise.
7341         * varasm.c (get_unnamed_section, get_noswitch_section,
7342         get_section): Likewise.
7343
7344 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
7345
7346         * regrename.c (build_def_use): Don't copy RTX.
7347
7348 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
7349
7350         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
7351         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
7352         punctuation.  Use @ref instead of @xref.
7353         (Function Names): Remove stray @display/@end display.
7354         (C++ Attributes): Use @ref instead of @xref.
7355         (Deprecated Features): Fix punctuation around @xref.
7356         (Backwards Compatibility): Likewise.
7357         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
7358
7359 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
7360
7361         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
7362         constants for E500 double.
7363
7364 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7365
7366         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
7367         element type of const_vector.
7368
7369 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
7370
7371         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
7372         Remove FLAGS_REG clobber from expander pattern.
7373         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
7374         (anddi3, andsi3, andhi3, andqi3): Ditto.
7375         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
7376         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
7377         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
7378         (ashlsi3, ashlhi3, ashlqi3): Ditto.
7379         (ashrsi3, ashrhi3, ashrqi3): Ditto.
7380         (lshrsi3, lshrhi3, lshrqi3): Ditto.
7381         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
7382         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
7383
7384 2008-06-28  Richard Guenther  <rguenther@suse.de>
7385
7386         * tree-ssa-structalias.c (callused_id, var_callused,
7387         callused_tree): Add.
7388         (handle_pure_call): New function.
7389         (find_func_aliases): Call it.
7390         (find_what_p_points_to): Handle the call-used set.
7391         (clobber_what_escaped): Likewise.
7392         (compute_call_used_vars): New function.
7393         (init_base_vars): Init the call-used variable.
7394         (do_sd_constraint): Do not propagate the solution from CALLUSED
7395         but use CALLUSED as a placeholder.
7396         (solve_graph): Likewise.
7397         * tree-flow-inline.h (gimple_call_used_vars): New function.
7398         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
7399         (compute_call_used_vars): Declare.
7400         * tree-ssa-alias.c (set_initial_properties): Call
7401         compute_call_used_vars.
7402         (reset_alias_info): Clear call-used variables.
7403         (add_call_clobber_ops): Assert we are not called for const/pure
7404         functions.  Remove handling of them.
7405         (add_call_read_ops): Handle pure functions by adding the
7406         call-used set of variables as VUSEs.
7407         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
7408         (delete_tree_ssa): Free it.
7409         * tree-dfa.c (remove_referenced_var): Clear the var from the
7410         call-used bitmap.
7411
7412 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
7413
7414         * tree.c (build_varargs_function_type_list): New.
7415         (build_function_type_list_1): New.
7416         (build_function_type_list): Use build_function_type_list_1.
7417         * tree.h (build_varargs_function_type_list): New.
7418
7419 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7420
7421         PR target/34856
7422         * config/spu/spu.c (spu_builtin_splats): Do not generate
7423         invalid CONST_VECTOR expressions.
7424         (spu_expand_vector_init): Likewise.
7425
7426 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
7427
7428         * optabs.c (libfunc_decls): New variable.
7429         (libfunc_decl_hash, libfunc_decl_eq): New functions.
7430         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
7431         for the same function twice.
7432
7433 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
7434
7435         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
7436         ix86_expand_binary_operator directly.
7437         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
7438         for operand 2.
7439         (*ashrti3_1): Ditto.
7440         (*lshrti3_1): Ditto.
7441         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
7442         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
7443         using only one splitter.  Conditionaly execute splitter before or
7444         after peephole2 pass.
7445         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
7446         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
7447         Use only one alternative in asm template.
7448         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
7449         in asm template.
7450         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
7451         "J" operand constraint for operand 2.
7452         (*ashldi3_cconly_rex64): Ditto.
7453         (*ashrdi3_cmp_rex64): Ditto.
7454         (*ashrdi3_cconly_rex64): Ditto.
7455         (*lshrdi3_cmp_rex64): Ditto.
7456         (*lshrdi3_cconly_rex64): Ditto.
7457         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
7458         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
7459         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
7460         gen_x86_shrd_1.
7461
7462 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
7463
7464         * gimplify.c (omp_is_private): Don't return true if decl is not
7465         already private on #pragma omp for or #pragma omp parallel for.
7466
7467         PR debug/36617
7468         * tree-cfg.c (struct move_stmt_d): Replace block field with
7469         orig_block and new_block fields.
7470         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
7471         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
7472         (move_block_to_fn): Replace vars_map and new_label_map arguments
7473         with struct move_stmt_d pointer.
7474         (replace_block_vars_by_duplicates): New function.
7475         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
7476         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
7477         all subblocks of ORIG_BLOCK to the new function.  Call
7478         replace_block_vars_by_duplicates.
7479         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
7480         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
7481         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
7482         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
7483         (expand_omp): Temporarily set input_location to the location of
7484         region's controlling stmt.
7485         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
7486         BIND_EXPR, push ctx->block_vars and gimplification vars into
7487         the BIND_EXPR and its block's BLOCK_VARS instead of directly
7488         into dest function.
7489         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
7490         there are any BLOCK_VARS.
7491         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
7492         OMP_PARALLEL or OMP_TASK stmt.
7493         (lower_omp): Save and restore input_location around the lower_omp_1
7494         call.
7495
7496 2008-06-27  Richard Guenther  <rguenther@suse.de>
7497
7498         PR tree-optimization/36400
7499         PR tree-optimization/36373
7500         PR tree-optimization/36344
7501         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
7502         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
7503         (update_alias_info): Remove call clobbering code.
7504         (make_constraint_to): New helper function.
7505         (make_escape_constraint): Likewise.
7506         (handle_rhs_call): Use it on all pointer containing arguments.
7507         Also mark the static chain escaped.
7508         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
7509         instead of ANYTHING.
7510         (make_constraint_from): New helper split out from ...
7511         (make_constraint_from_anything): ... here.
7512         (find_func_aliases): Add constraints for escape sites.
7513         (intra_create_variable_infos): Make constraints from NONLOCAL
7514         for parameters.
7515         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
7516         as ANYTHING.
7517         (clobber_what_p_points_to): Remove.
7518         (clobber_what_escaped): New function.
7519         (init_base_vars): Init NONLOCAL and ESCAPED.
7520         (do_sd_constraint): Do not propagate the solution from ESCAPED
7521         but use ESCAPED as a placeholder.
7522         (solve_graph): Likewise.
7523         * tree-flow.h (clobber_what_p_points_to): Remove.
7524         (clobber_what_escaped): Declare.
7525         * tree-ssa-alias.c (set_initial_properties): Call it.
7526         Remove code clobbering escaped pointers.
7527
7528 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
7529
7530         * function.c (allocate_struct_function): Only allocate a unique
7531         funcdef_no if the decl is nonzero.
7532
7533 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
7534
7535         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
7536         * config/mips/mips.c (mips_split_const_insns): New function.
7537         * config/mips/mips.md (move_type): New attribute.
7538         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
7539         (dword_mode): New attribute.
7540         (type): Avoid long line.  Map "move_type"s to "type"s,
7541         choosing "multi" for doubleword moves if appropriate.
7542         Swap MTC/MFC comments to match their declaration order.
7543         (extended_mips16): Default to "yes" if "move_type" is "sll0",
7544         "type" is "branch" or "jal" is "direct".
7545         (length): Handle "extended_mips16" first.  Make the default
7546         "0" for "ghost" instructions.  Set the length from "move_type".
7547         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
7548         of "type", with "sll0" for the register alternative.  Remove the
7549         "extended_mips16" attribute.
7550         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
7551         of "type", with "shift_shift" for the register alternative.
7552         Remove the "length" attribute.
7553         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
7554         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
7555         of "type", with "andi" for the register alternative.
7556         (*zero_extendqihi2): Likewise.
7557         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
7558         of "andi" instead of a "type" of "arith".
7559         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
7560         instead of "type".
7561         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
7562         (mov_<store>r, *mov<mode>_ra): Likewise.
7563         (extendsidi2): Use "move_type" instead of "type", with "move"
7564         for the register alternative.
7565         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
7566         of "type", with "signext" for the register alternative.
7567         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
7568         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
7569         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
7570         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
7571         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
7572         (unnamed branch insn): Likewise.
7573         (*movdi_gp32_fp64): Fold into...
7574         (*movdi_32bit): ...here.
7575         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
7576         (*movdf_hardfloat): ...this new pattern.
7577         (*movdf_softfloat): Remove redundant FPR alternatives.
7578         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
7579         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
7580         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
7581         the "move" attribute.
7582         (*movdi_32bit): Use "move_type" instead of "type" and remove the
7583         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
7584         and "store" for COP loads and stores.
7585         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
7586         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
7587         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
7588         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
7589         (*movtf_mips16, *movv2sf): Likewise.
7590         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
7591         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
7592         (mfhc1<mode>): Use "move_type" instead of "move".
7593         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
7594         (loadgp_blockage): Remove the "length" attribute.
7595         (blockage, set_got_version, update_got_version): Likewise.
7596         (call_internal): Remove the "extended_mips16" attribute.
7597         (call_value_internal, call_value_multiple_internal): Likewise.
7598         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
7599         instead of "move".
7600         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
7601         the "length" attribute.
7602
7603 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7604
7605         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
7606         -Wcast-qual warnings.
7607         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
7608         handle_pragma_pop_macro): Likewise.
7609         * collect2.c (resolve_lib_name): Likewise.
7610         * config/arc/arc.c (arc_init): Likewise.
7611         * config/arm/arm.c (neon_builtin_compare,
7612         locate_neon_builtin_icode): Likewise.
7613         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
7614         * config/bfin/bfin.c (bfin_init_machine_status,
7615         bfin_optimize_loop): Likewise.
7616         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7617         * config/cris/cris.c (cris_init_expanders): Likewise.
7618         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
7619         * config/darwin.c (machopic_indirection_eq,
7620         machopic_indirection_name, machopic_output_indirection): Likewise.
7621         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
7622         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
7623         frv_optimize_membar): Likewise.
7624         * config/i386/cygwin.h (mingw_scan,
7625         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
7626         * config/i386/cygwin1.c (mingw_scan): Likewise.
7627         * config/i386/i386.c (machopic_output_stub): Likewise.
7628         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
7629         i386_pe_unique_section): Likewise.
7630         * config/ia64/ia64.c (ia64_init_machine_status,
7631         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
7632         Likewise.
7633         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
7634         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
7635         * config/m68k/m68k.c (m68k_handle_option,
7636         m68k_sched_md_init_global): Likewise.
7637         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
7638         mcore_unique_section): Likewise.
7639         * config/mips/mips.c (mips_block_move_straight,
7640         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
7641         Likewise.
7642         * config/mmix/mmix.c (mmix_init_machine_status,
7643         mmix_encode_section_info): Likewise.
7644         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
7645         * config/rs6000/rs6000.c (rs6000_init_machine_status,
7646         print_operand_address, output_toc, redefine_groups,
7647         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
7648         * config/s390/s390.c (s390_init_machine_status): Likewise.
7649         * config/score/score.c (score_block_move_straight,
7650         score_block_move_loop_body): Likewise.
7651         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
7652         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
7653         * emit-rtl.c (find_auto_inc): Likewise.
7654         * gcc.c (translate_options, process_command): Likewise.
7655         * reorg.c (dbr_schedule): Likewise.
7656         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
7657         * xcoffout.c (xcoffout_declare_function): Likewise.
7658
7659 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
7660
7661         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
7662         ipa-pta working again.
7663
7664 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
7665
7666         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
7667         genautomata.
7668
7669 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
7670
7671         * config.gcc (powerpc*-*-*): Add new core e500mc.
7672         * config/rs6000/e500mc.md: New file.
7673         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7674         e500mc.
7675         (rs6000_override_options): Add e500mc case to
7676         processor_target_table. Altivec and Spe options not allowed
7677         with e500mc. Add isel instruction to e500mc by
7678         default. Initialize rs6000_cost for e500mc.
7679         (rs6000_issue_rate): Set issue rate for e500mc.
7680         * config/rs6000/rs6000.h (processor_type): Add
7681         PROCESSOR_PPCE500MC.
7682         (ASM_CPU_SPEC): Add e500mc.
7683         Set TARGET_ISEL to rs6000_isel.
7684         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
7685         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
7686         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
7687         Include e500mc.md.
7688         * doc/invoke.texi: Add e500mc to list of cpus.
7689
7690 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7691
7692         PR c/34867
7693         * c-lex.c (lex_charconst): Initialize unsignedp.
7694
7695 2008-06-27  Olivier Hainque  <hainque@adacore.com>
7696
7697         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
7698         documented assumptions.
7699
7700 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
7701
7702         * dwarf2out.c: Remove trailing white spaces.  Break long line
7703         in comments.
7704
7705 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
7706
7707         * libfuncs.h (LTI_synchronize): New libfunc_index.
7708         (synchronize_libfunc): Declare.
7709         * builtins.c (expand_builtin_synchronize): Consider using
7710         synchronize_libfunc before falling back on an asm blockage.
7711         * config/mips/mips.c: Include libfuncs.h
7712         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
7713
7714 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
7715
7716         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
7717         parameter.  Copy stack_reg to r11 where appropriate.
7718         (no_global_regs_above): Add gpr parameter.
7719         (rs6000_stack_info): Only add padding for SPE save area if we
7720         are saving SPE GPRs and CR.
7721         (saveres_routine_syms): New variable.
7722         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
7723         Define.
7724         (rs6000_savres_routine_sym): New function.
7725         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
7726         split out of...
7727         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
7728         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
7729         Tweak FPR out-of-line saving.
7730         (rs6000_make_savres_rtx): New function.
7731         (rs6000_use_multiple_p): New function.
7732         (rs6000_savres_strategy): New function.
7733         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
7734         out-of-line if appropriate.
7735         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
7736         if we are optimizing for size.
7737         (GP_SAVE_INLINE): Define.
7738         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
7739         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
7740         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
7741         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
7742         (*save_fpregs_<mode>): Add use of r11.
7743         (*restore_gpregs_<mode>): New insn.
7744         (*return_and_restore_gpregs_<mode>): New insn.
7745         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
7746         use r11.
7747         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
7748         (*restore_gpregs_spe): New insn.
7749         (*return_and_restore_gpregs_spe): New insn.
7750         * config/rs6000/predicates.md (save_world_operation): Fix check.
7751
7752 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7753
7754         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
7755         this point, so assert that.
7756
7757 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7758
7759         * cfganal.c: Include vec.h and vecprim.h.
7760         (compute_idf): Import from...
7761         * tree-into-ssa (compute_idf): ...here.
7762         * basic-block.h (compute_idf): Export.
7763
7764 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
7765
7766         * c-decl.c (merge_decls): Use !current_function_decl to check for
7767         extern declaration of C99 inline function being at file scope.
7768
7769 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
7770
7771         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
7772
7773 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7774
7775         * alias.c (record_alias_subset, init_alias_analysis): Fix
7776         -Wc++-compat and/or -Wcast-qual warnings.
7777         * attribs.c (lookup_attribute_spec): Likewise.
7778         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
7779         copy_bb, connect_traces,
7780         find_rarely_executed_basic_blocks_and_cr): Likewise.
7781         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
7782         note_btr_set, migrate_btr_defs): Likewise.
7783         * builtins.c (result_vector, expand_builtin_memcpy,
7784         expand_builtin_mempcpy_args, expand_builtin_strncpy,
7785         builtin_memset_read_str, expand_builtin_printf,
7786         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
7787         Likewise.
7788         * caller-save.c (mark_set_regs): Likewise.
7789         * calls.c (expand_call, emit_library_call_value_1): Likewise.
7790         * cgraph.c (cgraph_edge): Likewise.
7791         * combine.c (likely_spilled_retval_1): Likewise.
7792         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
7793         htab_counts_entry_del, get_coverage_counts): Likewise.
7794         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
7795         new_cselib_val): Likewise.
7796         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
7797         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
7798         Likewise.
7799         * df-core.c (df_compact_blocks): Likewise.
7800         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
7801         * df-scan.c (df_grow_reg_info, df_ref_create,
7802         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
7803         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
7804         df_record_entry_block_defs, df_record_exit_block_uses,
7805         df_bb_verify): Likewise.
7806         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
7807         DF_REF_EXTRACT_MODE_CONST): New.
7808         * dominance.c (get_immediate_dominator, get_dominated_by,
7809         nearest_common_dominator, root_of_dom_tree,
7810         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
7811         -Wc++-compat and/or -Wcast-qual warnings.
7812         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
7813         record_store, replace_read, check_mem_read_rtx, scan_insn,
7814         dse_step1, dse_record_singleton_alias_set): Likewise.
7815         * dwarf2asm.c (dw2_force_const_mem): Likewise.
7816
7817 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7818
7819         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
7820         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
7821         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
7822         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
7823         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
7824         add_ranges_num, add_ranges_by_labels, file_info_cmp,
7825         file_name_acquire, output_file_names, add_const_value_attribute,
7826         premark_used_types_helper, file_table_eq, file_table_hash,
7827         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
7828         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
7829         -Wcast-qual warnings.
7830         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
7831         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
7832         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
7833         gen_reg_rtx, start_sequence, init_emit): Likewise.
7834         * et-forest.c (et_new_occ, et_new_tree): Likewise.
7835         * except.c (init_eh_for_function, gen_eh_region,
7836         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
7837         arh_to_landing_pad, arh_to_label, add_action_record,
7838         add_call_site, switch_to_exception_section): Likewise.
7839         * expmed.c (synth_mult): Likewise.
7840         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
7841         store_expr): Likewise.
7842         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
7843         Likewise.
7844         * function.c (assign_stack_temp_for_type,
7845         allocate_struct_function, match_asm_constraints_1): Likewise.
7846         * gcov-io.c (gcov_allocate): Likewise.
7847         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
7848         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
7849         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
7850         record_one_set, insert_expr_in_table, insert_set_in_table,
7851         dump_hash_table, compute_hash_table_work, alloc_hash_table,
7852         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
7853         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
7854         -Wcast-qual warnings.
7855
7856 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7857
7858         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
7859         -Wcast-qual warnings.
7860         * gcc.c (process_command): Likewise.
7861         * genattrtab.c (oballoc): Use XOBNEW.
7862         (oballocvec): Define.
7863         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
7864         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
7865         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
7866         -Wc++-compat and/or -Wcast-qual warnings.
7867         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
7868         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
7869         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
7870         gen_presence_absence_set, gen_automaton, gen_regexp_el,
7871         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
7872         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
7873         add_excls, process_presence_absence_names,
7874         process_presence_absence_patterns, add_presence_absence,
7875         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
7876         get_free_state, add_arc, get_free_automata_list_el,
7877         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
7878         transform_3, cache_presence, create_ainsns, create_automata,
7879         create_state_ainsn_table, dfa_insn_code_enlarge,
7880         output_trans_func, output_min_issue_delay_func,
7881         output_dead_lock_func, output_reset_func,
7882         output_get_cpu_unit_code_func, output_dfa_start_func,
7883         expand_automata): Likewise.
7884         * genextract.c (gen_insn): Likewise.
7885         * gengtype-lex.l: Likewise.
7886         * gengtype.c (read_input_list, adjust_field_type,
7887         process_gc_options): Likewise.
7888         * genoutput.c (note_constraint): Likewise.
7889         * genpreds.c (mangle, add_constraint): Likewise.
7890         * genrecog.c (process_define_predicate, new_decision,
7891         add_to_sequence): Likewise.
7892         * gensupport.c (record_insn_name): Likewise.
7893
7894 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7895
7896         * config/i386/driver-i386.c (detect_caches_amd,
7897         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
7898         and/or -Wcast-qual warnings.
7899         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
7900         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
7901         gt_pch_save): Likewise.
7902         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
7903         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
7904         * global.c (compute_regsets): Likewise.
7905         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
7906         finish_graph_dump_file): Likewise.
7907         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
7908         unlink_bb_notes): Likewise.
7909         * integrate.c (get_hard_reg_initial_val): Likewise.
7910         * ipa-prop.c (ipa_push_func_to_list): Likewise.
7911         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
7912         * local-alloc.c (update_equiv_regs): Likewise.
7913         * loop-invariant.c (check_invariant_table_size,
7914         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
7915         Likewise.
7916         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
7917         altered_reg_used, mark_altered): Likewise.
7918         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
7919         insert_var_expansion_initialization,
7920         combine_var_copies_in_loop_exit, apply_opt_in_copies,
7921         release_var_copies): Likewise.
7922         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
7923         analyze_matrix_decl, add_allocation_site, analyze_transpose,
7924         analyze_accesses_for_phi_node, check_var_notmodified_p,
7925         check_allocation_function, find_sites_in_func,
7926         record_all_accesses_in_func, transform_access_sites,
7927         transform_allocation_sites): Likewise.
7928         * omp-low.c (new_omp_region, create_omp_child_function_name,
7929         check_omp_nesting_restrictions, check_combined_parallel,
7930         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
7931         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
7932         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
7933         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
7934         Likewise.
7935         * opts-common.c (prune_options): Likewise.
7936         * opts.c (add_input_filename, print_filtered_help,
7937         get_option_state): Likewise.
7938         * params.c (add_params): Likewise.
7939         * passes.c (set_pass_for_id, next_pass_1,
7940         do_per_function_toporder, pass_fini_dump_file): Likewise.
7941         * postreload.c (reload_cse_simplify_operands): Likewise.
7942         * predict.c (tree_predicted_by_p, tree_predict_edge,
7943         clear_bb_predictions, combine_predictions_for_bb): Likewise.
7944
7945 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7946
7947         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
7948         warnings.
7949         * recog.c (check_asm_operands, validate_change_1): Likewise.
7950         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
7951         subst_asm_stack_regs): Likewise.
7952         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
7953         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
7954         * regmove.c (reg_is_remote_constant_p): Likewise.
7955         * regrename.c (regrename_optimize, scan_rtx_reg,
7956         kill_clobbered_value, kill_set_value, kill_autoinc_value):
7957         Likewise.
7958         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
7959         regstat_compute_calls_crossed): Likewise.
7960         * reload1.c (init_reload, new_insn_chain,
7961         has_nonexceptional_receiver, reload, copy_reloads,
7962         calculate_needs_all_insns, init_elim_table): Likewise.
7963         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
7964         * rtl.c (shallow_copy_rtx_stat): Likewise.
7965         * rtlanal.c (parms_set): Likewise.
7966         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
7967         sbitmap_resize, sbitmap_vector_alloc): Likewise.
7968         * sched-ebb.c (earliest_block_with_similiar_load,
7969         add_deps_for_risky_insns): Likewise.
7970         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
7971         schedule_region): Likewise.
7972         * see.c (eq_descriptor_pre_extension,
7973         hash_descriptor_pre_extension, hash_del_pre_extension,
7974         eq_descriptor_properties, hash_descriptor_properties,
7975         hash_del_properties, see_seek_pre_extension_expr,
7976         see_initialize_data_structures, see_print_register_properties,
7977         see_print_pre_extension_expr, see_delete_merged_def_extension,
7978         see_delete_unmerged_def_extension, see_emit_use_extension,
7979         see_pre_delete_extension, see_map_extension, see_commit_changes,
7980         see_analyze_merged_def_local_prop,
7981         see_analyze_merged_def_local_prop,
7982         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
7983         see_set_prop_merged_def, see_set_prop_unmerged_def,
7984         see_set_prop_unmerged_use, see_print_one_extension,
7985         see_merge_one_use_extension, see_merge_one_def_extension,
7986         see_store_reference_and_extension, see_update_uses_relevancy,
7987         see_update_defs_relevancy): Likewise.
7988         * statistics.c (hash_statistics_hash, hash_statistics_eq,
7989         hash_statistics_free, curr_statistics_hash): Likewise.
7990         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
7991         expand_asm_operands, expand_return, case_bit_test_cmp,
7992         expand_case): Likewise.
7993         * stor-layout.c (start_record_layout): Likewise.
7994         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
7995         gt_pch_save_stringpool): Likewise.
7996         * tree-data-ref.c (hash_stmt_vertex_info,
7997         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
7998         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
7999
8000 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
8001
8002         PR target/36627
8003         * config/i386/i386.md : Change constraints of HImode and QImode
8004         immediate operands from "i" to "n".  Change SImode "ni" constraint to
8005         "i" and SImode "rmi" constraint to "g".  Remove all constraints
8006         from const0_operand and const1_operand predicated operands.
8007         (i): Change QImode and HImode attribute from "i" to "n".
8008         (*subqi_2): Change HImode operands to QImode.
8009         (*subqi_3): Ditto.
8010
8011 2008-06-25  Olivier Hainque  <hainque@adacore.com>
8012
8013         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
8014         sed substitutions.
8015
8016 2008-06-25  Richard Guenther  <rguenther@suse.de>
8017
8018         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
8019         not overflow the result type.
8020
8021 2008-06-25  Richard Guenther  <rguenther@suse.de>
8022
8023         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
8024         (vn_lookup): Likewise.
8025
8026 2008-06-25  Richard Guenther  <rguenther@suse.de>
8027
8028         PR tree-optimization/35518
8029         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
8030         * tree-sra.c (instantiate_element): Use fold_build3 to build
8031         BIT_FIELD_REFs.
8032         (try_instantiate_multiple_fields): Likewise.
8033
8034 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8035
8036         * config/rs6000/rs6000.md: Change all string instruction's clobber to
8037         be early clobbers.
8038
8039 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8040
8041         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
8042         use_backchain_to_restore_sp to true
8043         if the offset of the link register save area would go over the 32k - 1
8044         offset limit of the load
8045         instructions.
8046
8047 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
8048
8049         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
8050         anchor for the type-punning blurb.  Cross-reference "Structures
8051         unions enumerations and bit-fields implementation".  Provide a
8052         cast-through-pointer example.  Make final sentence self-contained.
8053         * doc/implement-c.texi (Structures unions enumerations and
8054         bit-fields implementation): Cross-reference the type-punning blurb
8055         in the -fstrict-aliasing documentation.
8056
8057 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8058
8059         PR middle-end/36594
8060         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
8061         the memory instead of the memory itself for the save area.
8062
8063 2008-06-24  Olivier Hainque  <hainque@adacore.com>
8064             Nicolas Roche  <roche@adacore.com>
8065
8066         * gengtype.c (srcdir_len): size_t instead of int.
8067         (get_file_realbasename): New function.  For F a filename, the real
8068         basename of F, with all the path components stripped.
8069         (get_file_srcdir_relative_path): New function.  For F a filename, the
8070         relative path to F from $(srcdir).
8071         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
8072         get_file_realbasename.  Adjust the head comment.
8073         (get_prefix_langdir_index): New function. For F a filename, return the
8074         lang_dir_names[] relative index of the language directory that is
8075         a prefix in F.
8076         (get_file_langdir): For F a filename, return the name of the language
8077         directory where F is located.
8078         (get_file_gtfilename): New function. The gt- output file name for an
8079         input filename F.
8080         (get_output_file_with_visibility): Replace in-line computations with
8081         uses of get_file_gtfilename and get_prefix_langdir_index.
8082         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
8083
8084 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
8085
8086         PR tree-optimization/36504
8087         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
8088         references without base address.
8089
8090 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
8091
8092         PR middle-end/36584
8093         * calls.c (expand_call): Increase alignment for recursive functions.
8094
8095 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
8096
8097         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
8098         (TARGET_FUNCTION_VALUE): New define.
8099         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
8100         * config/avr/avr.h (FUNCTION_VALUE): Remove.
8101
8102 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
8103
8104         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
8105         (fmod<mode>3): Ditto.
8106         (remainderxf3): Ditto.
8107         (remainder<mode>3): Ditto.
8108
8109 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
8110
8111         PR target/36533
8112         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
8113         REG is a hard register.
8114
8115         PR tree-optimization/36508
8116         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
8117         499, don't check it at all in release compilers.
8118
8119 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
8120
8121         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
8122         together with SSE_TARGET_MATH to disable insn pattern.
8123         (*fop_<MODEF:mode>_2_i387): Ditto.
8124         (*fop_<MODEF:mode>_3_i387): Ditto.
8125
8126 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
8127
8128         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
8129
8130 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
8131
8132         PR middle-end/34906
8133         * gimplify.c (gimplify_asm_expr): Check the return code of
8134         parse_output_constraint call, set function return and is_inout
8135         value if it failed.
8136
8137 2008-06-22  Ian Lance Taylor  <iant@google.com>
8138
8139         * c-lex.c (narrowest_unsigned_type): Change itk to int.
8140         (narrowest_signed_type): Likewise.
8141         * c-typeck.c (c_common_type): Change local variable mclass to enum
8142         mode_class, twice.
8143         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
8144         tcc_comparison, not the tree code itself.
8145         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
8146         (c_expand_expr): Cast modifier to enum expand_modifier.
8147         * c-common.h (C_RID_CODE): Add casts.
8148         (C_SET_RID_CODE): Define.
8149         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
8150         (c_lex_one_token): Add cast to avoid warning.
8151         (c_parser_objc_type_name): Rename local typename to type_name.
8152         (check_no_duplicate_clause): Change code parameter to enum
8153         omp_clause_code.
8154         (c_parser_omp_var_list_parens): Change kind parameter to enum
8155         omp_clause_code.
8156         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
8157         c_parser_omp_list_var_parens.
8158         (c_parser_omp_threadprivate): Likewise.
8159         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
8160         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
8161         * c-format.c (NO_FMT): Define.
8162         (printf_length_specs): Use NO_FMT.
8163         (asm_fprintf_length_specs): Likewise.
8164         (gcc_diag_length_specs): Likewise.
8165         (scanf_length_specs): Likewise.
8166         (strfmon_length_specs): Likewise.
8167         (gcc_gfc_length_specs): Likewise.
8168         (printf_flag_specs): Change 0 to STD_C89.
8169         (asm_fprintf_flag_specs): Likewise.
8170         (gcc_diag_flag_specs): Likewise.
8171         (gcc_cxxdiag_flag_specs): Likewise.
8172         (scanf_flag_specs): Likewise.
8173         (strftime_flag_specs): Likewise.
8174         (strfmon_flag_specs): Likewise.
8175         (print_char_table): Likewise.
8176         (asm_fprintf_char_table): Likewise.
8177         (gcc_diag_char_table): Likewise.
8178         (gcc_tdiag_char_table): Likewise.
8179         (gcc_cdiag_char_table): Likewise.
8180         (gcc_cxxdiag_char_table): Likewise.
8181         (gcc_gfc_char_table): Likewise.
8182         (scan_char_table): Likewise.
8183         (time_char_table): Likewis.
8184         (monetary_char_table): Likewise.
8185         * c-format.h (BADLEN): Likewise.
8186
8187 2008-06-21  Ian Lance Taylor  <iant@google.com>
8188
8189         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
8190         Define END_OF_BASE_TREE_CODES around inclusion.
8191         * tree.c (tree_code_type): New global array.
8192         (tree_code_length, tree_code_name): Likewise.
8193         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
8194         $(lang_tree_files).
8195         (all-tree.def, s-alltree): New targets.
8196         (gencheck.h, s-gencheck): Remove.
8197         (tree.o): Depend upon all-tree.def.
8198         (build/gencheck.o): Remove gencheck.h dependency.
8199         (mostlyclean): Don't remove gencheck.h.
8200         * c-common.h (enum c_tree_code): Remove.
8201         * c-lang.c (tree_code_type): Remove.
8202         (tree_code_length, tree_code_name): Remove.
8203         * gencheck.c (tree_codes): Include all-tree.def, rather than
8204         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
8205         after it is used.
8206         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
8207         than tree.def.
8208         * cp/cp-tree.h (enum cplus_tree_code): Remove.
8209         (operator_name_info): Size to MAX_TREE_CODES.
8210         (assignment_operator_name_info): Likewise.
8211         * cp/cp-lang.c (tree_code_type): Remove.
8212         (tree_code_length, tree_code_name): Remove.
8213         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
8214         (assignment_operator_name_info): Likewise.
8215         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
8216         MAX_TREE_CODES.
8217         * cp/mangle.c (write_expression): Likewise.
8218         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
8219         * fortran/f95-lang.c (tree_code_type): Remove.
8220         (tree_code_length, tree_code_name): Remove.
8221         * java/java-tree.h (enum java_tree_code): Remove.
8222         * java/lang.c (tree_code_type): Remove.
8223         (tree_code_length, tree_code_name): Remove.
8224         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
8225         * objc/objc-act.h (enum objc_tree_code): Remove.
8226         * objc/objc-lang.c (tree_code_type): Remove.
8227         (tree_code_length, tree_code_name): Remove.
8228         * objcp/objcp-lang.c (tree_code_type): Remove.
8229         (tree_code_length, tree_code_name): Remove.
8230         * ada/ada-tree.h (enum gnat_tree_code): Remove.
8231         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
8232         * ada/misc.c (tree_code_type): Remove.
8233         (tree_code_length, tree_code_name): Remove.
8234
8235 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
8236
8237         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
8238         the grand_bitmap_obstack.
8239
8240 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8241
8242         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
8243         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
8244         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
8245         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
8246         move_stmt_r, new_label_mapper): Likewise.
8247         * tree-complex.c (cvc_lookup): Likewise.
8248         * tree-dfa.c (create_function_ann): Likewise.
8249         * tree-dump.c (dump_register): Likewise.
8250         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
8251         find_phi_replacement_condition): Likewise.
8252         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
8253         tree_function_versioning): Likewise.
8254         * tree-into-ssa.c (cmp_dfsnum): Likewise.
8255         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
8256         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
8257         get_nonlocal_debug_decl, convert_nonlocal_reference,
8258         convert_nonlocal_omp_clauses, get_local_debug_decl,
8259         convert_local_reference, convert_local_omp_clauses,
8260         convert_nl_goto_reference, convert_nl_goto_receiver,
8261         convert_tramp_reference, convert_call_expr): Likewise.
8262         * tree-outof-ssa.c (contains_tree_r): Likewise.
8263         * tree-parloops.c (reduction_phi, initialize_reductions,
8264         eliminate_local_variables_1, add_field_for_reduction,
8265         add_field_for_name, create_phi_for_local_result,
8266         create_call_for_reduction_1, create_loads_for_reductions,
8267         create_stores_for_reduction, create_loads_and_stores_for_name):
8268         Likewise.
8269         * tree-phinodes.c (allocate_phi_node): Likewise.
8270         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
8271         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
8272         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
8273         * tree-ssa-coalesce.c (compare_pairs): Likewise.
8274         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
8275         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
8276         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
8277         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
8278         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
8279         vn_nary_op_insert): Likewise.
8280         * tree-ssa.c (redirect_edge_var_map_add,
8281         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
8282         * tree-vectorizer.c (vectorize_loops): Likewise.
8283         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
8284         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
8285         tree_cons_stat, build1_stat, build_variant_type_copy,
8286         decl_init_priority_lookup, decl_fini_priority_lookup,
8287         decl_priority_info, decl_restrict_base_lookup,
8288         decl_restrict_base_insert, decl_debug_expr_lookup,
8289         decl_debug_expr_insert, decl_value_expr_lookup,
8290         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
8291         type_hash_add, get_file_function_name, tree_check_failed,
8292         tree_not_check_failed, tree_range_check_failed,
8293         omp_clause_range_check_failed, build_omp_clause,
8294         build_vl_exp_stat): Likewise.
8295         * value-prof.c (gimple_histogram_value,
8296         gimple_duplicate_stmt_histograms): Likewise.
8297         * var-tracking.c (attrs_list_insert, attrs_list_copy,
8298         unshare_variable, variable_union_info_cmp_pos, variable_union,
8299         dataflow_set_different_1, dataflow_set_different_2,
8300         vt_find_locations, variable_was_changed, set_variable_part,
8301         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
8302         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
8303         section_entry_hash, object_block_entry_eq,
8304         object_block_entry_hash, create_block_symbol,
8305         initialize_cold_section_name, default_function_rodata_section,
8306         strip_reg_name, set_user_assembler_name, const_desc_eq,
8307         build_constant_desc, output_constant_def, lookup_constant_def,
8308         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
8309         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
8310         default_internal_label): Likewise.
8311         * varray.c (varray_init, varray_grow): Likewise.
8312         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
8313
8314 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
8315
8316         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
8317         operators for "test" insn.  Macroize insn using SWI mode macro.
8318         (*jcc_fused_2): Ditto.
8319         (*jcc_fused_3): Macroize insn using SWI mode macro.
8320         (*jcc_fused_4): Ditto.
8321
8322 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
8323
8324         * tree-ssa-pre.c: Fix typo in comment.
8325         (init_antic, fini_antic): Add explicit funtions for
8326         initializing and deinitializing ANTIC and AVAIL sets.
8327         (create_expression_by_pieces): Fix typo in comment.
8328         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
8329         (execute_pre): Eventually dump details about ANTIC_IN.
8330
8331 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8332
8333         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
8334         * gcc.c (translate_options, init_spec, store_arg, read_specs,
8335         add_to_obstack, file_at_path, find_a_file, execute,
8336         add_preprocessor_option, add_assembler_option, add_linker_option,
8337         process_command, insert_wrapper, do_option_spec, do_self_spec,
8338         spec_path, do_spec_1, is_directory, main, used_arg,
8339         getenv_spec_function): Likewise.
8340         * tlink.c (symbol_hash_lookup, file_hash_lookup,
8341         demangled_hash_lookup, symbol_push, file_push, frob_extension):
8342         Likewise.
8343
8344 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
8345
8346         * doc/rtl.texi: Updated subreg section.
8347
8348 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
8349
8350         PR c++/36523
8351         * cgraphunit.c (cgraph_process_new_functions): Don't clear
8352         node->needed and node->reachable.
8353         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
8354         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
8355         (expand_task_call): Don't call expand_task_copyfn.
8356         (expand_task_copyfn): Renamed to...
8357         (finalize_task_copyfn): ... this.
8358
8359 2008-06-19  Jan Hubicka  <jh@suse.cz>
8360
8361         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
8362         clobbering framepointer.
8363
8364 2008-06-19  Jan Hubicka  <jh@suse.cz>
8365
8366         * tree-optimize.c (execute_early_local_optimizations): Set
8367         cgraph_state only at first invocation.
8368
8369 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8370
8371         * system.h (-Wc++-compat): Activate as a warning, no an error.
8372
8373 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
8374
8375         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
8376         instead of "#" in insn asm template.
8377         (*jcc_fused_2): Ditto.
8378
8379 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
8380
8381         * config/i386/i386.h (ix86_tune_indices)
8382         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
8383         (TARGET_FUSE_CMP_AND_BRANCH): New define.
8384         * config/i386/i386.md (*jcc_fused_1): New insn pattern
8385         (*jcc_fused_2): Ditto.
8386         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
8387         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
8388         (print operand): Handle 'E' and 'e' code.
8389
8390 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
8391
8392         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
8393         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8394         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8395
8396 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
8397
8398         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
8399         node->decl.
8400         (cgraph_expand_function): Use local copy of decl.
8401         (cgraph_expand_all_functions): Remove redundant initialization of
8402         order_pos.
8403         (cgraph_optimize): Reword internal_error message.
8404
8405 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
8406
8407         * arm-protos.h (arm_return_in_memory): Remove public
8408         arm_return_in_memory() prototype.
8409         * arm.c (arm_return_in_memory): Add static prototype, add target
8410         hook macro, change definition and comments.
8411         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
8412
8413 2008-06-19  Ben Elliston  <bje@au.ibm.com>
8414
8415         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
8416         real.c: Remove references to IEEE 754R.
8417         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
8418         * doc/libgcc.texi (Decimal float library routines): Likewise.
8419
8420 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8421
8422         * targhooks.h (struct gcc_target): New member unwind_word_mode.
8423         (default_unwind_word_mode): Add prototype.
8424         * targhooks.c (default_unwind_word_mode): New function.
8425         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
8426         instead of word_mode.
8427         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
8428         (TARGET_INITIALIZER): Use it.
8429
8430         * c-common.c (handle_mode_attribute): Support "unwind_word"
8431         mode attribute.
8432         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
8433
8434         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
8435         word_mode to access SjLj_Function_Context member "data".
8436         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
8437         conversion from targetm.eh_return_filter_mode () to
8438         targetm.unwind_word_mode () if they differ.
8439
8440         * builtin-types.def (BT_UNWINDWORD): New primitive type.
8441         (BT_FN_UNWINDWORD_PTR): New function type.
8442         (BT_FN_WORD_PTR): Remove.
8443         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
8444         * except.c (expand_builtin_extend_pointer): Convert pointer to
8445         targetm.unwind_word_mode () instead of word_mode.
8446
8447         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
8448         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
8449         (spu_unwind_word_mode): New function.
8450         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
8451         (TARGET_UNWIND_WORD_MODE): Define.
8452         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
8453
8454 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8455
8456         * config/spu/spu.c (reg_align): Remove.
8457         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
8458         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
8459         (spu_split_store): Likewise.
8460
8461 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
8462
8463         * gcc/tree-vn.c: Fix typo in comment.
8464
8465 2008-06-18  Jan Hubicka  <jh@suse.cz>
8466
8467         * cgraphunit.c (cgraph_optimize): Output debug info when doing
8468         toplevel reorder too.
8469
8470 2008-06-18  Jan Hubicka  <jh@suse.cz>
8471
8472         * c-opts.c (c_common_post_options): PCH is not compatible with
8473         no-unit-at-a-time.
8474         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
8475         -fno-toplevel-reorder by default now.
8476
8477 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8478
8479         PR documentation/30739
8480         * doc/install.texi (Prerequisites): Document dependency on awk.
8481
8482 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
8483             Ian Lance Taylor  <iant@google.com>
8484
8485         PR rtl-optimization/35604
8486         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
8487         only want to change jump destinations, not eventual label comparisons.
8488
8489 2008-06-16  Jan Hubicka  <jh@suse.cz>
8490
8491         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
8492         syntax errors.
8493         (cgraph_analyze_function): Likewise.
8494
8495 2008-06-16  Jan Hubicka  <jh@suse.cz>
8496
8497         * cgraph.h (cgraph_mark_if_needed): New function.
8498         * cgraphunit.c (cgraph_mark_if_needed): New function.
8499         * c-decl.c (duplicate_decl): Use it.
8500
8501 2008-06-16  Jan Hubicka  <jh@suse.cz>
8502
8503         * cgraph.c (cgraph_add_new_function): When in expansion state, do
8504         lowering.
8505
8506 2008-06-16  Jan Hubicka  <jh@suse.cz>
8507
8508         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
8509
8510 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
8511             Kazu Hirata  <kazu@codesourcery.com>
8512             Maxim Kuvyrkov  <maxim@codesourcery.com
8513
8514         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
8515         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
8516         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
8517         EXTRA_SPEC_FUNCTIONS.
8518         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
8519         (DRIVER_SELF_SPECS): Adjust.
8520         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
8521         * config/mips/st.h, config/mips/t-st: New.
8522         * config/mips/driver-native.c, config/mips/x-native: New.
8523         * doc/invoke.texi (MIPS): Document 'native' value for -march and
8524         -mtune options.
8525
8526 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
8527
8528         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
8529         from it.
8530         (ISA_HAS_FP_CONDMOVE): New macro.
8531         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
8532         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
8533         (ISA_HAS_NMADD3_NMSUB3): New macro.
8534         * config/mips/mips.c (mips_rtx_costs): Update.
8535         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
8536         compiling for ST Loongson 2E/2F.
8537         (madd<mode>): Rename to madd4<mode>.  Update.
8538         (madd3<mode>): New pattern.
8539         (msub<mode>): Rename to msub4<mode>.  Update.
8540         (msub3<mode>): New pattern.
8541         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
8542         (nmadd3<mode>): New pattern.
8543         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
8544         (nmadd3<mode>_fastmath): New pattern.
8545         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
8546         (nmsub3<mode>): New pattern.
8547         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
8548         (nmsub3<mode>_fastmath): New pattern.
8549         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
8550
8551 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
8552
8553         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
8554         (DF_REF_INSN_INFO): New.
8555         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
8556         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
8557         with a NULL DF_REF_INSN_INFO.
8558         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
8559         DF_INSN_SET.
8560         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
8561         DF_INSN_INFO_EQ_USES): New.
8562         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
8563         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
8564         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
8565         * df-core.c: Update comment for above changes.
8566         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
8567         DF_INSN_UID_* macros.
8568         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
8569         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
8570         insn rtx.  Update all callers.
8571         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
8572         df_ref_create_structure, df_insn_refs_collect): Likewise.
8573         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
8574         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
8575         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
8576         macros to access the insn refs.
8577         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
8578         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
8579         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
8580         for accessing the refs.
8581         (try_fwprop_subst): Likewise.
8582         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
8583         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
8584         for accessing the refs.
8585         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
8586         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
8587         to look at the insn refs.
8588         (record_uses): Likewise.
8589         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
8590         function anymore.
8591         (mark_artificial_uses): Don't mark_insn for artificial refs.
8592         (mark_reg_rependencies): Likewise.
8593
8594         * doc/rtl.texi: Remove documentation of ADDRESSOF.
8595
8596 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8597
8598         * configure: Regenerate.
8599
8600 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8601
8602         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
8603         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8604         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8605
8606 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8607
8608         * config/avr/avr.c (avr_mcu_t): Add attiny167.
8609         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8610         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8611
8612 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8613
8614         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
8615         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8616         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8617
8618 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8619
8620         * tree-ssa-sccvn.c: Fix format of comments.
8621
8622 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8623
8624         * cgraph.c: Remove unneeded forward declarations of eq_node()
8625         and hash_node().
8626
8627 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
8628
8629         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
8630         REG_RETVAL notes.
8631         (see_update_relevancy): Likewise.
8632         * fwprop.c (try_fwprop_subst): Likewise.
8633         * rtlanal.c (noop_move_p): Likewise.
8634         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
8635         notes to non-existing libcall blocks.
8636         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
8637         Remove orig_set.
8638         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
8639         (dead_libcall_p): Remove.
8640         (delete_trivially_dead_insns): Don't use it.
8641         * web.c (union_defs): Remove comment about keeping nops.
8642         * gcse.c (hash_scan_insn): Don't take libcall pointers.
8643         (compute_hash_table_work): Don't track libcall notes.
8644         (do_local_cprop): Don't take libcall pointers.  Don't update
8645         libcall notes.
8646         (adjust_libcall_notes): Deleted.
8647         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
8648         ever have existed in the first place).
8649         (replace_store_insn): Don't try to remove libcall notes.
8650         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
8651         (resolve_reg_notes): Don't call them.
8652         (resolve_simple_move): Likewise.
8653         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
8654         Don't remove REG_RETVAL notes.
8655         * emit-rtl.c (try_split): Don't update libcall notes.
8656         (emit_copy_of_insn_after): Dito.
8657         * cselib.c (cselib_current_insn_in_libcall): Remove.
8658         (cselib_process_insn): Don't set/clear it.
8659         (new_elt_loc_list): Don't record it.
8660         (cselib_init): Don't initialize it.
8661         * cselib.c (struct elt_loc_list): Remove in_libcall field.
8662         * loop-invariant.c (find_invariant_insn): Don't look for libcall
8663         notes.
8664         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
8665         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
8666         (init_deps): Don't initialize it.
8667         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
8668         * combine.c (delete_noop_moves): Don't update libcall notes.
8669         (can_combine_p): Remove now pointless #if 0 block.
8670         (try_combine): Remove another obsolete #if 0 block.
8671         (distribute_notes): Don't distribute libcall notes.
8672         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
8673         * dce.c (libcall_dead_p): Remove.
8674         (delete_unmarked_insns): Don't handle libcall blocks.
8675         (preserve_libcall_for_dce): Remove.
8676         (prescan_insns_for_dce): Don't special-case libcall block insns.
8677         * reload1 (reload): Don't handle libcall notes.
8678         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
8679         documentation.
8680
8681 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8682
8683         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
8684         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8685         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8686
8687 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8688
8689         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
8690         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8691         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8692
8693 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8694
8695         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
8696
8697 2008-06-16  Ira Rosen  <irar@il.ibm.com>
8698
8699         PR tree-optimization/36493
8700         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
8701         the arguments list. Use VECTYPE to create vector pointer.
8702         (vectorizable_store): Fail if accesses through a pointer to vectype
8703         do not alias the original memory reference operands.
8704         Call vect_create_data_ref_ptr without the removed argument.
8705         (vectorizable_load): Likewise.
8706         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
8707         removed argument.
8708
8709 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
8710
8711         PR target/36336
8712         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
8713         reg_equiv_constant.
8714
8715 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
8716
8717         * config/mips/loongson2ef.md: New file.
8718         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
8719         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
8720         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
8721         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
8722         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
8723         and loongson_2f.
8724         (loongson2ef.md): New include.
8725         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
8726         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
8727         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
8728         (loongson_gt_<mode>, loongson_extract_halfword)
8729         (loongson_insert_halfword_0, loongson_insert_halfword_2)
8730         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
8731         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
8732         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
8733         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
8734         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
8735         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
8736         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
8737         (vec_interleave_low<mode>): Define type attribute.
8738         * config/mips/mips.c (mips_ls2): New static variable.
8739         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
8740         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
8741         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
8742         Implement target scheduling hooks.
8743         (mips_multipass_dfa_lookahead): Update to handle tuning for
8744         Loongson 2E/2F.
8745         (mips_sched_init): Initialize data for Loongson scheduling.
8746         (mips_ls2_variable_issue): New static function.
8747         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
8748         Add sanity check.
8749         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
8750         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
8751         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
8752         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
8753         Handle ST Loongson 2E/2F cores.
8754         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
8755
8756 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8757
8758         * omp-low.c (extract_omp_for_data): Fix comment typo.
8759         * c.opt: Fix typo.
8760
8761 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8762
8763         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
8764         FIXME note about gcc/config.guess.
8765         * doc/options.texi (Option file format): Remove non-ASCII bytes.
8766         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
8767         * doc/cppopts.texi: Likewise.
8768         * doc/extend.texi: Likewise.
8769         * doc/gcc.texi: Likewise.
8770         * doc/gccint.texi: Likewise.
8771         * doc/gcov.texi: Likewise.
8772         * doc/gty.texi: Likewise.
8773         * doc/hostconfig.texi: Likewise.
8774         * doc/install.texi: Likewise.
8775         * doc/invoke.texi: Likewise.
8776         * doc/loop.texi: Likewise.
8777         * doc/makefile.texi: Likewise.
8778         * doc/md.texi: Likewise.
8779         * doc/passes.texi: Likewise.
8780         * doc/tm.texi: Likewise.
8781         * doc/tree-ssa.texi: Likewise.
8782         * doc/trouble.texi: Likewise.
8783
8784 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
8785             Nathan Sidwell  <nathan@codesourcery.com>
8786             Maxim Kuvyrkov  <maxim@codesourcery.com>
8787             Richard Sandiford  <rdsandiford@googlemail.com>
8788
8789         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
8790         * config/mips/mips-protos.h (mips_expand_vector_init): New.
8791         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
8792         builtins.
8793         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
8794         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
8795         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
8796         V8QImode cases.
8797         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
8798         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
8799         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
8800         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
8801         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
8802         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
8803         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
8804         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
8805         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
8806         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
8807         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
8808         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
8809         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
8810         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
8811         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
8812         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
8813         (mips_builtins): Add Loongson builtins.
8814         (mips_loongson_2ef_bdesc): New.
8815         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
8816         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
8817         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
8818         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
8819         New.
8820         (mips_expand_vector_init): New.
8821         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
8822         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
8823         if appropriate.
8824         * config/mips/mips.md: Add unspec numbers for Loongson
8825         builtins.  Include loongson.md.
8826         (MOVE64): Include Loongson vector modes.
8827         (SPLITF): Include Loongson vector modes.
8828         (HALFMODE): Handle Loongson vector modes.
8829         * config/mips/loongson.md: New.
8830         * config/mips/loongson.h: New.
8831         * config.gcc: Add loongson.h header for mips*-*-* targets.
8832         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
8833
8834 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
8835
8836         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
8837         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
8838         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
8839         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
8840         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
8841         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
8842         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
8843         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
8844         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
8845         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
8846         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
8847         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
8848         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
8849         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
8850         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
8851         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
8852         Remove use_fixproto=yes.
8853         (ia64*-*-hpux*): Remove comment about using fixproto.
8854         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
8855
8856 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8857
8858         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
8859         library rebuilds.
8860         * configure: Regenerate.
8861
8862 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
8863
8864         PR middle-end/36520
8865         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
8866         before evaluating it.
8867
8868 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
8869
8870         PR c/36507
8871         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
8872         nested inline functions.
8873         (start_decl, start_function): Don't invert DECL_EXTERNAL
8874         for nested inline functions.
8875
8876 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8877
8878         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
8879         splits that must be made for correctness.
8880
8881 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8882
8883         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
8884         (AVAIL_NON_MIPS16): Likewise.
8885         (mips_builtin_description): Replace target_flags with a predicate.
8886         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
8887         (dspr2_32): New availability predicates.
8888         (MIPS_BUILTIN): New macro.
8889         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
8890         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
8891         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
8892         Replace the TARGET_FLAGS parameters with AVAIL parameters.
8893         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
8894         (mips_dsp_32only_bdesc): Merge into...
8895         (mips_builtins): ...this new array.
8896         (mips_bdesc_map, mips_bdesc_arrays): Delete.
8897         (mips_init_builtins): Update after above changes.
8898         (mips_expand_builtin_1): Merge into...
8899         (mips_expand_builtin): ...here and update after above changes.
8900
8901 2008-06-12  Paul Brook  <paul@codesourcery.com>
8902
8903         * longlong.h (__arm__): Define count_leading_zeros.
8904         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
8905         (clzsi2, clzdi2): New functions.
8906         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
8907         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
8908         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
8909         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
8910         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
8911         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
8912         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
8913         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
8914         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
8915         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
8916
8917 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
8918
8919         * config/m68k/m68k.c (m68k_tune_flags): New.
8920         (override_options): Compute m68k_tune_flags.
8921         (MULL_COST, MULW_COST): Update for various variants of CFV2.
8922         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
8923
8924 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8925
8926         PR middle-end/36506
8927         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
8928
8929 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8930
8931         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
8932         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
8933
8934 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8935
8936         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
8937         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
8938
8939 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8940
8941         PR middle-end/36506
8942         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
8943         reductions.
8944
8945 2008-06-12  Richard Guenther  <rguenther@suse.de>
8946
8947         PR tree-optimization/36345
8948         * tree-flow.h (struct ptr_info_def): Align escape_mask,
8949         add memory_tag_needed flag.
8950         (may_alias_p): Declare.
8951         * tree-ssa-alias.c (may_alias_p): Export.
8952         (set_initial_properties): Use memory_tag_needed flag.
8953         (update_reference_counts): Likewise.
8954         (reset_alias_info): Reset memory_tag_needed flag.
8955         (create_name_tags): Check memory_tag_needed flag.
8956         (dump_points_to_info_for): Dump it.
8957         * tree-ssa-structalias.c (struct variable_info): Remove
8958         directly_dereferenced flag.
8959         (new_var_info): Do not initialize it.
8960         (process_constraint_1): Do not set it.
8961         (update_alias_info): Set is_dereferenced flag.
8962         (set_uids_in_ptset): Use may_alias_p.
8963         (set_used_smts): Check memory_tag_needed flag.
8964         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
8965         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
8966         memory_tag_needed flag.
8967         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
8968         from broken design.
8969
8970 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
8971
8972         * config/i386/i386.c (ix86_compute_frame_layout): Disable
8973         red zone for w64 abi.
8974         (ix86_expand_prologue): Likewise.
8975         (ix86_force_to_memory): Likewise.
8976         (ix86_free_from_memory): Likewise.
8977
8978 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
8979
8980         PR target/36425
8981         * config/rs6000/rs6000.c (rs6000_override_options): Set
8982         rs6000_isel conditionally to the absence of comand line override.
8983         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8984         Remove duplicate rs6000_isel setting.
8985         * config/rs6000/eabispe.h: Ditto.
8986
8987 2008-06-11  Richard Guenther  <rguenther@suse.de>
8988
8989         * alias.c (get_alias_set): Use the element alias-set for arrays.
8990         (record_component_aliases): For arrays and vectors do nothing.
8991         * c-common.c (strict_aliasing_warning): Handle the cases
8992         of alias set zero explicitly.
8993         * Makefile.in (dfp.o-warn): Add -Wno-error.
8994
8995 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8996
8997         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
8998         tune_32 tune_64.
8999         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
9000         tune_32 tune_64 to supported_defaults.  Allow values not
9001         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
9002         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
9003         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
9004         with_cpu_64 to generic for 64-bit-supporting configurations, not
9005         with_cpu.  Remove FIXMEs.
9006         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
9007         --with-arch-64, --with-tune-32, --with-tune-64): Document.
9008         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
9009         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
9010         arch_32 and arch_64.
9011
9012 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
9013             Olivier Hainque  <hainque@adacore.com>
9014
9015         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
9016         Use DECL_SIZE_UNIT to retrieve the size of the field.
9017
9018 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
9019
9020         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
9021         with function calls after declarations.  Lay out
9022         neon_float_type_node before further use.
9023
9024 2008-06-11  Richard Guenther  <rguenther@suse.de>
9025
9026         * tree-flow.h (may_point_to_global_var): Declare.
9027         * tree-ssa-alias.c (may_point_to_global_var): New function.
9028         * tree-ssa-sink.c (is_hidden_global_store): Use it.
9029
9030 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
9031
9032         * configure.ac: Teach that fido supports .debug_line.
9033         * configure: Regenerate.
9034
9035 2008-06-10  Tom Tromey  <tromey@redhat.com>
9036
9037         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
9038         debug hook.
9039
9040 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
9041
9042         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
9043         (encode_decimal64, decode_decimal64, encode_decimal128,
9044         decode_decimal128): Reverse order of 32-bit parts of value if host
9045         and target endianness differ.
9046
9047 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
9048
9049         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
9050         Avoid division by 0.
9051         (tree_mod_pow2_value_transform): Likewise.
9052         (tree_ic_transform): Likewise.
9053         (tree_stringops_transform): Likewise.
9054         (tree_mod_subtract_transform): Likewise.
9055         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
9056         (copy_edges_for_bb): Likewise.
9057         (initialize_cfun): Likewise.
9058
9059 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
9060
9061         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
9062         nonmemory_operand. Add "N" operand constraint.
9063         (*btsi): Ditto.
9064         (*jcc_btdi_mask_rex64): New instruction and split pattern.
9065         (*jcc_btsi_mask): Ditto.
9066         (*jcc_btsi_mask_1): Ditto.
9067
9068 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
9069
9070         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
9071         TYPE_CANONICAL for copied element type.
9072
9073 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
9074
9075         PR target/36473
9076         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
9077         Add m_CORE2 and m_GENERIC.
9078         * config/i386/predicates.md (bt_comparison_operator): New predicate.
9079         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
9080         (*btsi): Ditto.
9081         (*jcc_btdi_rex64): New instruction and split pattern.
9082         (*jcc_btsi): Ditto.
9083         (*jcc_btsi_1): Ditto.
9084         (*btsq): Fix Intel asm dialect operand order.
9085         (*btrq): Ditto.
9086         (*btcq): Ditto.
9087
9088 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
9089
9090         PR middle-end/36447
9091         * simplify-rtx.c (simplify_subreg): Add check for shift count
9092         greater than size.
9093
9094 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
9095
9096         * doc/md.texi: Synchronize with later constraints.md change.
9097         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
9098         with a C implementation.
9099         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
9100         MFLO handling.
9101         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
9102         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
9103         when moving to and from MD_REGNUM.
9104         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
9105         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
9106         Handle byte and halfword moves.
9107         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
9108         separately.
9109         * config/mips/constraints.md (h): Turn into NO_REGS.
9110         (l, x): Update documentation.
9111         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
9112         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
9113         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
9114         (HILO): New mode iterator.
9115         (MOVE128): Add TI.
9116         (any_div): New code iterator.
9117         (u): Extend code attribute to div and udiv.
9118         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
9119         d_operand in the splitters.  Remove redundant CONST_INT checks.
9120         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
9121         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
9122         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
9123         accordingly, using normal moves instead of unspecs to move LO into
9124         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
9125         (<u>mulsidi3): Handle expansion in C code.
9126         (<u>mulsidi3_32bit_internal): Rename to...
9127         (<u>mulsidi3_32bit): ...this.
9128         (<u>mulsidi3_32bit_r4000): Fix insn separator.
9129         (*<u>mulsidi3_64bit): Rename to...
9130         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
9131         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
9132         to set LO and HI to the multiplication result.  Use a normal move
9133         for MFLO and an unspec for MFHI.
9134         (*<u>mulsidi3_64bit_parts): Replace with...
9135         (<u>mulsidi3_64bit_hilo): ...this new instruction.
9136         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
9137         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
9138         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
9139         instead of HI.  Split the instruction into a separate multiplication
9140         and MFHI if !TARGET_FIX_R4000.
9141         (<su>muldi3_highpart): Likewise.
9142         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
9143         and the "=h" clobber.
9144         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
9145         (<u>mulditi3): New expander.
9146         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
9147         (madsi): Remove "=h" clobber.
9148         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
9149         Force the modulus result to be a GPR and split the instruction into
9150         a division followed by an MFHI after reload.
9151         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
9152         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
9153         the MIPS16 HIGH define_split.
9154         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
9155         of acc<->gpr moves to "multi".
9156         (*movdi_64bit): Replace the single "x" alternative with
9157         alternatives for moving into and out of "a".
9158         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
9159         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
9160         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
9161         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
9162         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
9163         (movti): New expander.
9164         (*movti, *movti_mips16): New insns.
9165         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
9166         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
9167         (mthi<GPR:mode>_<HILO:mode>): Likewise.
9168         * config/mips/predicates.md (fpr_operand): Delete.
9169         (d_operand): New predicate.
9170
9171 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
9172
9173         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
9174         failure on some Bourne shells.
9175         (x86_64-*-*): Ditto.
9176
9177 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
9178
9179         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
9180
9181 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
9182
9183         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
9184         (sparc-sun-solaris2*): Likewise.
9185
9186 2008-06-09  Arnaud Charlet  <charlet@adacore.com
9187
9188         * doc/install.texi: Update requirements to build the Ada compiler.
9189
9190 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
9191
9192         * df-scan.c (struct df_scan_problem_data): Remove the
9193         mw_link_pool alloc pool.
9194         (df_scan_free_internal): Don't free it.
9195         (df_scan_alloc): Don't allocate it.
9196         * df.h (struct df_link): Update comment.
9197
9198 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
9199
9200         * except.h: Correct checks for when SJLJ exceptions must be used.
9201
9202 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9203
9204         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
9205         default.
9206
9207 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
9208
9209         PR tree-optimization/36218
9210         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
9211         configure for the build system.
9212         (BUILD_LDFLAGS): Define.
9213         * configure: Regenerate.
9214         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
9215
9216 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
9217
9218         PR target/36424
9219         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
9220         * config/avr/avr.c (avr_hard_regno_rename_ok): New function.
9221         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype.
9222
9223 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
9224
9225         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
9226
9227 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
9228
9229         * config.gcc (Obsolete configurations): Remove list of
9230         configurations.
9231         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
9232         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
9233         targets matched by those patterns.
9234         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
9235         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
9236         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
9237         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
9238         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
9239         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
9240         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
9241         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
9242         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
9243         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
9244         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
9245         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
9246         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
9247         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
9248         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
9249         Make code for Solaris 7 and greater unconditional for Solaris.
9250         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
9251         Remove --with-* handling.
9252         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
9253         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
9254         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
9255         LINK_OS_WINDISS_SPEC): Remove.
9256         * config/rs6000/sysv4.opt (mwindiss): Remove.
9257         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
9258         * configure: Regenerate.
9259         * doc/cpp.texi: Don't mention BeOS.
9260         * doc/extend.texi (interrupt): Don't mention MS1.
9261         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
9262         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
9263         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
9264         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
9265         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
9266         Remove.
9267         * doc/invoke.texi (MT Options): Remove.
9268         (-mwindiss): Remove.
9269         (CRIS Options): Remove cris-axis-aout references.
9270         (HPPA Options): Don't mention hppa1.1-*-pro.
9271         * doc/md.texi: (MorphoTech family): Remove.
9272         * libgcc2.c: Don't handle UWIN.
9273         * config/alpha/t-unicosmk: Remove.
9274         * config/alpha/unicosmk.h: Remove.
9275         * config/arm/kaos-arm.h: Remove.
9276         * config/arm/kaos-strongarm.h: Remove.
9277         * config/arm/strongarm-coff.h: Remove.
9278         * config/arm/strongarm-elf.h: Remove.
9279         * config/arm/strongarm-pe.h: Remove.
9280         * config/arm/t-strongarm-pe: Remove.
9281         * config/arm/t-xscale-coff: Remove.
9282         * config/arm/t-xscale-elf: Remove.
9283         * config/arm/xscale-coff.h: Remove.
9284         * config/arm/xscale-elf.h: Remove.
9285         * config/chorus.h: Remove.
9286         * config/cris/aout.h: Remove.
9287         * config/cris/aout.opt: Remove.
9288         * config/cris/t-aout: Remove.
9289         * config/i386/beos-elf.h: Remove.
9290         * config/i386/kaos-i386.h: Remove.
9291         * config/i386/ptx4-i.h: Remove.
9292         * config/i386/sco5.h: Remove.
9293         * config/i386/sco5.opt: Remove.
9294         * config/i386/sysv4-cpp.h: Remove.
9295         * config/i386/sysv5.h: Remove.
9296         * config/i386/t-beos: Remove.
9297         * config/i386/t-sco5: Remove.
9298         * config/i386/t-uwin: Remove.
9299         * config/i386/uwin.asm: Remove.
9300         * config/i386/uwin.h: Remove.
9301         * config/kaos.h: Remove.
9302         * config/mips/windiss.h: Remove.
9303         * config/mt: Remove directory.
9304         * config/pa/pa-osf.h: Remove.
9305         * config/pa/pa-pro-end.h: Remove.
9306         * config/pa/t-pro: Remove.
9307         * config/ptx4.h: Remove.
9308         * config/rs6000/beos.h: Remove.
9309         * config/rs6000/kaos-ppc.h: Remove.
9310         * config/rs6000/t-beos: Remove.
9311         * config/rs6000/windiss.h: Remove.
9312         * config/sh/kaos-sh.h: Remove.
9313         * config/sol2-6.h: Remove.
9314         * config/sparc/sol26-sld.h: Remove.
9315         * config/sparc/sysv4-only.h: Remove.
9316         * config/vax/bsd.h: Remove.
9317         * config/vax/t-memfuncs: Remove.
9318         * config/vax/ultrix.h: Remove.
9319         * config/vax/vaxv.h: Remove.
9320         * config/windiss.h: Remove.
9321
9322 2008-06-06  Uros Bizjak <ubizjak@gmail.com>
9323
9324         PR rtl-optimization/36438
9325         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
9326         for vector shifts with constant scalar shift operands.
9327
9328 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
9329
9330         * doc/invoke.texi: Document -march=xlr.
9331         * config/mips/xlr.md: New file.
9332         * config/mips/mips.md: Include it.
9333         (cpu): Add "xlr".
9334         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
9335         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
9336         (mips_rtx_cost_data): Likewise.
9337
9338 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
9339
9340         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
9341         PRE_INC and PRE_DEC cases.
9342
9343 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
9344
9345         PR rtl-optimization/36419
9346         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
9347         the emitting jump insn.
9348
9349         PR target/36362
9350         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
9351         is not bool, boolify the whole *expr_p and convert to the desired type.
9352
9353 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
9354
9355         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
9356         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
9357         Add omp_private_outer_ref hook, add another argument to
9358         omp_clause_default_ctor hook.
9359         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
9360         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
9361         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
9362         hook_tree_tree_tree_tree_null.
9363         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
9364         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
9365         * hooks.c (hook_tree_tree_tree_tree_null): New function.
9366         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
9367         * tree.def (OMP_TASK): New tree code.
9368         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
9369         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
9370         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
9371         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
9372         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
9373         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
9374         OMP_CLAUSE_COLLAPSE_EXPR): Define.
9375         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
9376         (OMP_DIRECTIVE_P): Add OMP_TASK.
9377         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
9378         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
9379         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
9380         and OMP_CLAUSE_UNTIED entries.
9381         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
9382         num_ops to 2.
9383         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
9384         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
9385         * tree-pretty-print.c (dump_omp_clause): Handle
9386         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
9387         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
9388         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
9389         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
9390         warning about unsigned iterators.  Change decl/init/cond/incr
9391         arguments to TREE_VECs, check arguments for all collapsed loops.
9392         (c_finish_omp_taskwait): New function.
9393         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
9394         ws_clauses.
9395         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
9396         default_function_array_conversion on init.  Add par_clauses argument.
9397         If decl is present in parallel's lastprivate clause, change it to
9398         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
9399         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
9400         collapse count in clauses.
9401         (c_parser_omp_for, c_parser_omp_parallel): Adjust
9402         c_parser_omp_for_loop callers.
9403         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
9404         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
9405         (c_parser_omp_clause_name): Handle collapse and untied clauses.
9406         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
9407         functions.
9408         (c_parser_omp_clause_schedule): Handle schedule(auto).
9409         Include correct location in the error message.
9410         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
9411         and PRAGMA_OMP_CLAUSE_UNTIED.
9412         (OMP_TASK_CLAUSE_MASK): Define.
9413         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
9414         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
9415         * tree-nested.c (convert_nonlocal_omp_clauses,
9416         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
9417         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
9418         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
9419         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
9420         OMP_CLAUSE_DECL.
9421         (conver_nonlocal_reference, convert_local_reference,
9422         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
9423         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
9424         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
9425         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
9426         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
9427         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
9428         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
9429         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
9430         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
9431         OMP_CLAUSE_UNTIED.
9432         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
9433         * c-common.h (c_finish_omp_taskwait): New prototype.
9434         * gimple-low.c (lower_stmt): Handle OMP_TASK.
9435         * tree-parloops.c (create_parallel_loop): Create 1 entry
9436         vectors for OMP_FOR_{INIT,COND,INCR}.
9437         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
9438         (make_edges): Handle OMP_TASK.
9439         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
9440         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9441         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
9442         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
9443         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
9444         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
9445         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
9446         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
9447         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
9448         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
9449         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
9450         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
9451         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
9452         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
9453         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
9454         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
9455         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
9456         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
9457         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
9458         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
9459         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
9460         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
9461         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
9462         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
9463         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
9464         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
9465         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
9466         original iterator is present in lastprivate clause or if
9467         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
9468         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9469         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
9470         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
9471         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
9472         if it is set, lookup var in outer contexts too.  Handle
9473         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
9474         to be implicitly determined firstprivate for task regions.
9475         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
9476         if it is set, lookup var in outer contexts too.  Set
9477         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
9478         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
9479         OMP_CLAUSE_UNTIED.  Take region_type as last argument
9480         instead of in_parallel and in_combined_parallel.
9481         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9482         Adjust callers.
9483         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
9484         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
9485         (new_omp_context): Set default_kind to
9486         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
9487         (omp_region_type): New enum.
9488         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
9489         fields, add region_type.
9490         (new_omp_context): Take region_type as argument instead of is_parallel
9491         and is_combined_parallel.
9492         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
9493         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
9494         ctx->is_combined_parallel checks.
9495         (gimplify_omp_task): New function.
9496         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
9497         OMP_CLAUSE_UNTIED.
9498         * omp-low.c (extract_omp_for_data): Use schedule(static)
9499         for schedule(auto).  Handle pointer and unsigned iterators.
9500         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
9501         Add loops argument.  Extract data for collapsed OMP_FOR loops.
9502         (expand_parallel_call): Assert sched_kind isn't auto,
9503         map runtime schedule to index 3.
9504         (struct omp_for_data_loop): New type.
9505         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
9506         Add loop, loops, collapse and iter_type fields.
9507         (workshare_safe_to_combine_p): Disallow combined for if
9508         iter_type is unsigned long long.  Don't combine collapse > 1 loops
9509         unless all bounds and steps are constant.  Adjust extract_omp_for_data
9510         caller.
9511         (expand_omp_for_generic): Handle pointer, unsigned and long long
9512         iterators.  Handle collapsed OMP_FOR loops.  Adjust
9513         for struct omp_for_data changes.  If libgomp function doesn't return
9514         boolean_type_node, add comparison of the return value with 0.
9515         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
9516         pointer, unsigned and long long iterators.  Adjust for struct
9517         omp_for_data changes.
9518         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
9519         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
9520         unsigned long long.  Allocate loops array, pass it to
9521         extract_omp_for_data.  For collapse > 1 loops use always
9522         expand_omp_for_generic.
9523         (omp_context): Add sfield_map and srecord_type fields.
9524         (is_task_ctx, lookup_sfield): New functions.
9525         (use_pointer_for_field): Use is_task_ctx helper.  Change first
9526         argument's type from const_tree to tree.  Clarify comment.
9527         In OMP_TASK disallow copy-in/out sharing.
9528         (build_sender_ref): Call lookup_sfield instead of lookup_field.
9529         (install_var_field): Add mask argument.  Populate both record_type
9530         and srecord_type if needed.
9531         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
9532         in srecord_type.
9533         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
9534         and DECL_FIELD_OFFSET.
9535         (scan_sharing_clauses): Adjust install_var_field callers.  For
9536         firstprivate clauses on explicit tasks allocate the var by value in
9537         record_type unconditionally, rather than by reference.
9538         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
9539         Use is_taskreg_ctx instead of is_parallel_ctx.
9540         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
9541         (create_omp_child_function_name): Add task_copy argument, use
9542         *_omp_cpyfn* names if it is true.
9543         (create_omp_child_function): Add task_copy argument, if true create
9544         *_omp_cpyfn* helper function.
9545         (scan_omp_parallel): Adjust create_omp_child_function callers.
9546         Rename parallel_nesting_level to taskreg_nesting_level.
9547         (scan_omp_task): New function.
9548         (lower_rec_input_clauses): Don't run constructors for firstprivate
9549         explicit task vars which are initialized by *_omp_cpyfn*.
9550         Pass outer var ref to omp_clause_default_ctor hook if
9551         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
9552         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
9553         OMP_CLAUSE_REDUCTION_INIT.
9554         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
9555         avoid duplicate setting of fields.  Handle
9556         OMP_CLAUSE_PRIVATE_OUTER_REF.
9557         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
9558         copy-out if TREE_READONLY, only copy-in.
9559         (expand_task_copyfn): New function.
9560         (expand_task_call): New function.
9561         (struct omp_taskcopy_context): New type.
9562         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
9563         New functions.
9564         (lower_omp_parallel): Rename to...
9565         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
9566         Call create_task_copyfn if srecord_type is needed.  Adjust
9567         sender_decl type.
9568         (task_shared_vars): New variable.
9569         (check_omp_nesting_restrictions): Warn if work-sharing,
9570         barrier, master or ordered region is closely nested inside OMP_TASK.
9571         Add warnings for barrier if closely nested inside of work-sharing,
9572         ordered, or master region.
9573         (scan_omp_1): Call check_omp_nesting_restrictions even for
9574         GOMP_barrier calls.  Rename parallel_nesting_level to
9575         taskreg_nesting_level.  Handle OMP_TASK.
9576         (lower_lastprivate_clauses): Even if some lastprivate is found on a
9577         work-sharing construct, continue looking for them on parent parallel
9578         construct.
9579         (lower_omp_for_lastprivate): Add lastprivate clauses
9580         to the beginning of dlist rather than end.  Adjust for struct
9581         omp_for_data changes.
9582         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
9583         not after it.  Handle collapsed OMP_FOR loops, adjust for
9584         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
9585         (get_ws_args_for): Adjust extract_omp_for_data caller.
9586         (scan_omp_for): Handle collapsed OMP_FOR
9587         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9588         (lower_omp_single_simple): If libgomp function doesn't return
9589         boolean_type_node, add comparison of the return value with 0.
9590         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
9591         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
9592         (parallel_nesting_level): Rename to...
9593         (taskreg_nesting_level): ... this.
9594         (is_taskreg_ctx): New function.
9595         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
9596         of is_parallel_ctx.
9597         (execute_lower_omp): Rename parallel_nesting_level to
9598         taskreg_nesting_level.
9599         (expand_omp_parallel): Rename to...
9600         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
9601         Call omp_task_call for OMP_TASK regions.
9602         (expand_omp): Adjust caller, handle OMP_TASK.
9603         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
9604
9605         * bitmap.c (bitmap_default_obstack_depth): New variable.
9606         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
9607         if argument is NULL and bitmap_default_obstack is already initialized.
9608         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
9609         at the end.
9610         * matrix-reorg.c (matrix_reorg): Likewise.
9611
9612 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
9613
9614         * config/i386/i386.md (*indirect_jump): Macroize using P
9615         mode iterator.  Remove !TARGET_64BIT from insn constraints.
9616         (*tablejump_1): Ditto.
9617         (*indirect_jump_rex64): Remove insn pattern.
9618         (*tablejump_1_rex64): Ditto.
9619         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
9620         and eh_return_si insn patterns.
9621
9622 2008-06-06  Richard Guenther  <rguenther@suse.de>
9623
9624         * tree-ssa-structalias.c (merge_smts_into): Remove.
9625         (find_what_p_points_to): Do not bother to compute the
9626         points-to set for pt_anything pointers.
9627         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
9628         for pt_anything pointers is ok.
9629
9630 2008-06-06  Jan Hubicka  <jh@suse.cz>
9631
9632         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
9633
9634 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9635
9636         * cgraph.c: Fix typos in comments.
9637         (cgraph_availability_names): Fix string typo.
9638         * fold-const.c: Fix typos in comments.
9639         (fold_binary): Fix typo in warning.
9640         * genautomata.c: Fix typos in comments.
9641         (check_presence_pattern_sets): Fix typo in local variable.
9642         (output_description): Fix typo in output.
9643         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
9644         * hwint.h: Likewise.
9645         * matrix-reorg.c (check_allocation_function): Likewise.
9646         * omega.c (smooth_weird_equations): Likewise.
9647         * auto-inc-dec.c: Fix typos in comments.
9648         * bb-reorder.c: Likewise.
9649         * builtins.c: Likewise.
9650         * c-common.c: Likewise.
9651         * c-cppbuiltin.c: Likewise.
9652         * c-parser.c: Likewise.
9653         * c-pretty-print.c: Likewise.
9654         * cfgcleanup.c: Likewise.
9655         * cfgexpand.c: Likewise.
9656         * cfghooks.c: Likewise.
9657         * cfglayout.c: Likewise.
9658         * cfgloopmanip.c: Likewise.
9659         * cgraphunit.c: Likewise.
9660         * coverage.c: Likewise.
9661         * dbxout.c: Likewise.
9662         * df-byte-scan.c: Likewise.
9663         * df-core.c: Likewise.
9664         * df-problems.c: Likewise.
9665         * df-scan.c: Likewise.
9666         * dfp.c: Likewise.
9667         * dominance.c: Likewise.
9668         * domwalk.c: Likewise.
9669         * dse.c: Likewise.
9670         * dwarf2out.c: Likewise.
9671         * emit-rtl.c: Likewise.
9672         * et-forest.c: Likewise.
9673         * function.c: Likewise.
9674         * function.h: Likewise.
9675         * gcc.c: Likewise.
9676         * gcov-io.c: Likewise.
9677         * gcov.c: Likewise.
9678         * gcse.c: Likewise.
9679         * genattrtab.c: Likewise.
9680         * ggc-page.c: Likewise.
9681         * gimplify.c: Likewise.
9682         * gthr-lynx.h: Likewise.
9683         * haifa-sched.c: Likewise.
9684         * ipa-cp.c: Likewise.
9685         * ipa-inline.c: Likewise.
9686         * ipa-prop.h: Likewise.
9687         * ipa-pure-const.c: Likewise.
9688         * ipa-struct-reorg.c: Likewise.
9689         * ipa-struct-reorg.h: Likewise.
9690         * ipa-type-escape.c: Likewise.
9691         * ipa.c: Likewise.
9692         * loop-doloop.c: Likewise.
9693         * mips-tfile.c: Likewise.
9694         * mkmap-flat.awk: Likewise.
9695         * mkmap-symver.awk: Likewise.
9696         * modulo-sched.c: Likewise.
9697         * omp-low.c: Likewise.
9698         * optabs.c: Likewise.
9699         * optabs.h: Likewise.
9700         * opts.c: Likewise.
9701         * passes.c: Likewise.
9702         * postreload-gcse.c: Likewise.
9703         * postreload.c: Likewise.
9704         * predict.c: Likewise.
9705         * pretty-print.h: Likewise.
9706         * profile.c: Likewise.
9707         * protoize.c: Likewise.
9708         * ra-conflict.c: Likewise.
9709         * real.c: Likewise.
9710         * recog.c: Likewise.
9711         * regclass.c: Likewise.
9712         * regs.h: Likewise.
9713         * reload.c: Likewise.
9714         * rtl-error.c: Likewise.
9715         * rtlanal.c: Likewise.
9716         * scan.h: Likewise.
9717         * sched-rgn.c: Likewise.
9718         * see.c: Likewise.
9719         * stmt.c: Likewise.
9720         * target.h: Likewise.
9721         * tree-dfa.c: Likewise.
9722         * tree-eh.c: Likewise.
9723         * tree-flow-inline.h: Likewise.
9724         * tree-inline.c: Likewise.
9725         * tree-into-ssa.c: Likewise.
9726         * tree-loop-distribution.c: Likewise.
9727         * tree-nested.c: Likewise.
9728         * tree-parloops.c: Likewise.
9729         * tree-pass.h: Likewise.
9730         * tree-pretty-print.c: Likewise.
9731         * tree-profile.c: Likewise.
9732         * tree-scalar-evolution.c: Likewise.
9733         * tree-sra.c: Likewise.
9734         * tree-ssa-alias-warnings.c: Likewise.
9735         * tree-ssa-ccp.c: Likewise.
9736         * tree-ssa-coalesce.c: Likewise.
9737         * tree-ssa-dom.c: Likewise.
9738         * tree-ssa-dse.c: Likewise.
9739         * tree-ssa-forwprop.c: Likewise.
9740         * tree-ssa-live.c: Likewise.
9741         * tree-ssa-live.h: Likewise.
9742         * tree-ssa-loop-im.c: Likewise.
9743         * tree-ssa-loop-ivopts.c: Likewise.
9744         * tree-ssa-loop-niter.c: Likewise.
9745         * tree-ssa-loop-prefetch.c: Likewise.
9746         * tree-ssa-phiopt.c: Likewise.
9747         * tree-ssa-phiprop.c: Likewise.
9748         * tree-ssa-sccvn.c: Likewise.
9749         * tree-ssa-ter.c: Likewise.
9750         * tree-ssa-threadupdate.c: Likewise.
9751         * tree-ssa.c: Likewise.
9752         * tree-vect-analyze.c: Likewise.
9753         * tree-vect-transform.c: Likewise.
9754         * tree-vectorizer.c: Likewise.
9755         * tree-vn.c: Likewise.
9756         * tree-vrp.c: Likewise.
9757         * tree.c: Likewise.
9758         * tree.def: Likewise.
9759         * tree.h: Likewise.
9760         * unwind-dw2-fde.c: Likewise.
9761         * unwind.inc: Likewise.
9762         * value-prof.c: Likewise.
9763         * vmsdbgout.c: Likewise.
9764
9765 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
9766
9767         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
9768         always place FP constants in the TOC for TARGET_POWERPC64.
9769         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
9770
9771 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
9772
9773         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
9774         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
9775         enable for TARGET_E500_DOUBLE.
9776         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
9777         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
9778         floating-point modes like integer modes for E500 double.
9779         (rs6000_legitimate_offset_address_p): Likewise.
9780         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
9781         addressing for DDmode for E500 double.
9782         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
9783         modes as using 64-bits of registers for E500 double.
9784         (spe_build_register_parallel): Do not handle DDmode or TDmode.
9785         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
9786         specially for E500 double.
9787         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
9788         TDmode for E500 double.
9789         (rs6000_gimplify_va_arg): Only handle SDmode in registers
9790         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
9791         (rs6000_split_multireg_move): Do not handle TDmode specially for
9792         E500 double.
9793         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
9794         using 64-bit registers for E500 double.
9795         (emit_frame_save): Do not handle DDmode specially for E500 double.
9796         (gen_frame_mem_offset): Likewise.
9797         (rs6000_function_value): Do not call spe_build_register_parallel
9798         for DDmode or TDmode.
9799         (rs6000_libcall_value): Likewise.
9800         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
9801         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
9802         for E500 double.
9803
9804 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
9805
9806         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
9807         in comments.
9808
9809 2008-06-04  Junjie Gu <jgu@tensilica.com>
9810
9811         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
9812         comparison for frame pointers.
9813
9814 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9815
9816         PR target/27386
9817         * config/avr/avr.h (PUSH_ROUNDING): Remove.
9818
9819 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9820
9821         PR target/30243
9822         * builtins.c (expand_builtin_signbit): Don't take lowpart when
9823         register is already smaller or equal to required mode.
9824
9825 2008-06-04  Xinliang David Li  <davidxl@google.com>
9826
9827         * tree-call-cdce.c: New file.
9828         (cond_dead_built_in_calls): New static variable.
9829         (input_domain): New struct.
9830         (check_pow): New function.
9831         (check_builtin_call): Ditto.
9832         (check_target_format): Ditto.
9833         (is_call_dce_candidate): Ditto.
9834         (gen_one_condition): Ditto.
9835         (gen_conditions_for_domain): Ditto.
9836         (get_domain): Ditto.
9837         (gen_conditions_for_pow_cst_base): Ditto.
9838         (gen_conditions_for_pow_int_base): Ditto.
9839         (gen_conditions_for_pow): Ditto.
9840         (get_no_error_domain): Ditto.
9841         (gen_shrink_wrap_conditions): Ditto.
9842         (shrink_wrap_one_built_in_call): Ditto.
9843         (shink_wrap_conditional_dead_built_in_calls): Ditto.
9844         (tree_call_cdce): Ditto.
9845         (gate_call_cdce): Ditto.
9846         (pass_call_cdce): New gimple pass.
9847         * passes.c: (init_optimization_passes): New pass.
9848         * tree-pass.h: New pass declaration.
9849         * opts.c (decode_options): New flag setting.
9850         * common.opt: Add -ftree-builtin-call-dce flag.
9851         * Makefile.in: Add new source file.
9852         * tempvar.def: New tv_id.
9853         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
9854
9855 2008-06-04  Richard Guenther  <rguenther@suse.de>
9856
9857         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
9858         (is_call_clobbered): Always check var_ann->call_clobbered.
9859         (mark_call_clobbered): Always set var_ann->call_clobbered.
9860         (clear_call_clobbered): Always clear var_ann->call_clobbered.
9861         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
9862         (reset_alias_info): Clear call clobbering info on MTAGs and
9863         globals as well.
9864         (set_pt_anything): Set pt_global_mem.
9865         (create_tag_raw): Adjust comment.
9866         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
9867
9868 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
9869             Maxim Kuvyrkov  <maxim@codesourcery.com>
9870
9871         * config/m68k/m68k.opt (mxgot): New option.
9872         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
9873         (m68k_output_addr_const_extra): New.
9874         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
9875         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
9876         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
9877         * doc/invoke.texi (M680x0 Options): Document -mxgot.
9878
9879 2008-06-04  Richard Guenther  <rguenther@suse.de>
9880
9881         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
9882         negative or non-representable offsets.
9883
9884 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
9885
9886         * config/i386/i386.c (ix86_gen_leave): New.
9887         (ix86_gen_pop1): Likewise.
9888         (ix86_gen_add3): Likewise.
9889         (ix86_gen_sub3): Likewise.
9890         (ix86_gen_sub3_carry): Likewise.
9891         (ix86_gen_one_cmpl2): Likewise.
9892         (ix86_gen_monitor): Likewise.
9893         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
9894         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
9895         ix86_gen_one_cmpl2 and ix86_gen_monitor.
9896         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
9897         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
9898         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
9899         (ix86_expand_epilogue): Updated.
9900         (print_operand): Handle integer register operand for 'z'.
9901         (ix86_expand_strlensi_unroll_1): Likewise.
9902         (ix86_expand_strlen): Likewise.
9903         (ix86_expand_builtin): Likewise.
9904         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
9905         mov{q}/mov{l} and add{q}/add{l}.
9906
9907 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9908
9909         * config/i386/i386.md (P): New mode iterator.
9910         (SFmode push_operand splitter): Macroize DImode and SImode pushes
9911         using P mode iterator.
9912         (DFmode push_operand splitter): Ditto.
9913         (XFmode push_operand splitter): Ditto.
9914         (DFmode float_extend SFmode push_operand splitter): Ditto.
9915         (XFmode float_extend SFmode push_operand splitter): Do not generate
9916         SImode pushes for 64bit target.  Macroize Dimode and SImode
9917         pushes using P mode iterator.
9918         (XFmode float_extend DFmode push_operand splitter): Ditto.
9919
9920 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9921
9922         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
9923         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
9924         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
9925         return type to int.
9926         (ix86_call_abi_override): Remove check for call_used_regs.
9927
9928 2008-06-03  Richard Guenther  <rguenther@suse.de>
9929
9930         * tree-ssa-structalias.c (find_func_aliases): Add constraints
9931         for the lhs of calls if the return type contains pointers.
9932
9933 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9934
9935         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
9936         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
9937         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
9938         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
9939         of cfun and DEFAULT_ABI to deceide abi mode.
9940         (DEFAULT_ABI): New.
9941         (REG_PARM_STACK_SPACE): Removed.
9942         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
9943         (STACK_BOUNDARY): Use default target to deceide stack boundary.
9944         * config/i386/i386-protos.h (ix86_cfun_abi): New.
9945         (ix86_function_abi): Likewise.
9946         (ix86_function_type_abi): Likewise.
9947         (ix86_call_abi_override): Likewise.
9948         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
9949         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
9950         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
9951         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
9952         specific defines.
9953         (X86_64_REGPARM_MAX): New.
9954         (X86_64_SSE_REGPARM_MAX): New.
9955         (X64_REGPARM_MAX): New.
9956         (X64_SSE_REGPARM_MAX): New.
9957         (X86_32_REGPARM_MAX): New.
9958         (X86_32_SSE_REGPARM_MAX): New.
9959         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
9960         (ix86_function_regparm): Handle user calling abi.
9961         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
9962         by DEFAULT_ABI versus SYSV_ABI check.
9963         (ix86_reg_parm_stack_space): New.
9964         (ix86_function_type_abi): New.
9965         (ix86_call_abi_override): New.
9966         (ix86_function_abi): New.
9967         (ix86_cfun_abi): New.
9968         (init_cumulative_args): Call abi specific initialization.
9969         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
9970         (function_arg_64): Extend SSE_REGPARM_MAX check.
9971         (function_arg (): Remove TARGET_64BIT_MS_ABI.
9972         (ix86_pass_by_reference): Likewise.
9973         (ix86_function_value_regno_p): Likewise.
9974         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
9975         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
9976         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
9977         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
9978         (setup_incoming_varargs_64): Adjust regparm for call abi.
9979         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
9980         (ix86_va_start): Likewise.
9981         (ix86_gimplify_va_arg): Likewise.
9982         (ix86_expand_prologue): Likewise.
9983         (output_pic_addr_const): Likewise.
9984         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
9985         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
9986         (x86_output_mi_thunk): Likewise.
9987         (x86_function_profiler): Likewise.
9988         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
9989         (SYSV_ABI, MS_ABI): New constants.
9990         (DEFAULT_ABI): New.
9991         (init_regs): Add prototype of function in regclass.c file.
9992         (OVERRIDE_ABI_FORMAT): New.
9993         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
9994         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
9995         (OUTGOING_REG_PARM_STACK_SPACE): New.
9996         (ix86_reg_parm_stack_space): New prototype.
9997         (CUMULATIVE_ARGS): Add call_abi member.
9998         (machine_function): Add call_abi member.
9999         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
10000         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
10001
10002 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
10003
10004         PR target/34879
10005         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
10006         (avr_builtin_setjmp_frame_value): New function.
10007         * config/avr/avr.md (nonlocal_goto_receiver): Define.
10008         (nonlocal_goto): Define.
10009
10010 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
10011
10012         * config/mips/mips.c (mips_emit_loadgp): Return early if
10013         there is nothing do to, otherwise emit a blockage if
10014         !TARGET_EXPLICIT_RELOCS || crtl->profile.
10015         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
10016
10017 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10018
10019         * configure.ac: Drop unneeded backslash ending up in config.in.
10020         * acinclude.m4: Likewise.
10021         * config.in: Regenerate.
10022
10023 2008-05-26  Jan Hubicka  <jh@suse.cz>
10024
10025         * predict.c (maybe_hot_frequency_p): Break out of...
10026         (maybe_hot_bb_p): ... here.
10027         (maybe_hot_edge_p): New.
10028         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
10029         * basic-block.h (maybe_hot_edge_p): Declare.
10030
10031 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
10032
10033         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
10034         (*cmpfp_<mode>_cc): Ditto.
10035         (*fp_jcc_8<mode>_387): Ditto.
10036         (*fop_<MODEF:mode>_2_i387): Ditto.
10037         (*fop_<MODEF:mode>_3_i387): Ditto.
10038         (*fop_xf_2_i387): Ditto.
10039         (*fop_xf_3_i387): Ditto.
10040
10041 2008-06-02  Tomas Bily  <tbily@suse.cz>
10042
10043         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
10044
10045 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
10046
10047         * config/mips/mips.c (mips_valid_offset_p): New function.
10048         (mips_valid_lo_sum_p): Likewise.
10049         (mips_classify_address): Use them.
10050         (mips_force_address): New function.
10051         (mips_legitimize_address): Use it.
10052         * config/mips/mips.md (MOVE128): New mode iterator.
10053         (movtf): Require TARGET_64BIT.  Remove empty strings.
10054         (*movtf_internal): Rename to...
10055         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
10056         of "R" and use {,fp}{load,store} attributes instead of "multi".
10057         Use a separate define_split.
10058         (*movtf_mips16): New pattern.
10059
10060 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
10061
10062         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
10063         * config/mips/mips.c (mips_expand_before_return): New function.
10064         (mips_expand_epilogue): Call it.
10065         * config/mips/mips.md (return): Turn into a define_expand.
10066         (*return): New insn.
10067
10068 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
10069
10070         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
10071         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
10072         functions.  Do not emit uses and clobbers of CONCATs; individually
10073         use and clobber their operands.
10074         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
10075         gen_clobber, emit_use and gen_use.
10076         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
10077         (expand_builtin_return): Likewise.
10078         * cfgbuild.c (count_basic_blocks): Likewise.
10079         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
10080         * explow.c (emit_stack_restore): Likewise.
10081         * expmed.c (extract_bit_field_1): Likewise.
10082         * expr.c (convert_move, emit_move_complex_parts): Likewise.
10083         (emit_move_multi_word, store_constructor): Likewise.
10084         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
10085         (thread_prologue_and_epilogue_insns): Likewise.
10086         * lower-subreg.c (resolve_simple_move): Likewise.
10087         * optabs.c (widen_operand, expand_binop): Likewise.
10088         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
10089         * reload.c (find_reloads): Likewise.
10090         * reload1.c (eliminate_regs_in_insn): Likewise.
10091         * stmt.c (expand_nl_goto_receiver): Likewise.
10092         * config/alpha/alpha.md (builtin_longjmp): Likewise.
10093         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
10094         * config/arm/arm.c (arm_load_pic_register): Likewise.
10095         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
10096         * config/arm/arm.md (untyped_return): Likewise.
10097         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
10098         * config/avr/avr.c (expand_prologue): Likewise.
10099         * config/bfin/bfin.c (do_unlink): Likewise.
10100         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
10101         * config/cris/cris.c (cris_expand_prologue): Likewise.
10102         * config/darwin.c (machopic_indirect_data_reference): Likewise.
10103         (machopic_legitimize_pic_address): Likewise.
10104         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
10105         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
10106         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
10107         (ix86_expand_convert_uns_didf_sse): Likewise.
10108         (ix86_expand_vector_init_general): Likewise.
10109         * config/ia64/ia64.md (eh_epilogue): Likewise.
10110         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
10111         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
10112         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
10113         (config/iq2000/iq2000.c): Likewise.
10114         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
10115         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
10116         (builtin_longjmp): Likewise.
10117         * config/mn10300/mn10300.md (call, call_value): Likewise.
10118         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
10119         * config/pdp11/pdp11.md (abshi2): Likewise.
10120         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
10121         * config/s390/s390.c (s390_emit_prologue): Likewise.
10122         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
10123         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
10124         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
10125         * config/sh/sh.c (prepare_move_operands): Likewise.
10126         (output_stack_adjust, sh_expand_epilogue): Likewise.
10127         (sh_set_return_address, sh_expand_t_scc): Likewise.
10128         * config/sparc/sparc.c (load_pic_register): Likewise.
10129         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
10130         * config/spu/spu.c (spu_expand_epilogue): Likewise.
10131         * config/v850/v850.c (expand_epilogue): Likewise.
10132
10133 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
10134
10135         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
10136         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
10137         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
10138         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
10139         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
10140         stack pointer register.
10141         (output_movhi): Remove code for interrupt specific writing to the
10142         stack pointer register.
10143
10144 2008-05-31  Richard Guenther  <rguenther@suse.de>
10145
10146         PR tree-optimization/34244
10147         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
10148         (tree_expr_nonzero_warnv_p): Likewise.
10149         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
10150         ssa_name_nonnegative_p.
10151         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
10152         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
10153         not tree_expr_nonzero_warnv_p.
10154
10155         PR tree-optimization/36262
10156         Revert
10157         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
10158
10159         PR tree-optimization/34244
10160         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
10161         (record_numbers_of_iterations): New function.
10162         (execute_vrp): Cache the numbers of iterations of loops.
10163         * tree-scalar-evolution.c (scev_reset_except_niters):
10164         New function.
10165         (scev_reset): Use scev_reset_except_niters.
10166         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
10167
10168 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
10169
10170         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10171         __WORKAROUND_RETS when appropriate.
10172
10173 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
10174
10175         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
10176         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
10177         mode iterator.
10178         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
10179         *fop_df_comm_sse insn patterns using MODEF mode iterator.
10180         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
10181         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
10182         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
10183         *fop_df_1_mixed insn patterns using MODEF mode iterator.
10184         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
10185         *fop_df_1_sse insn patterns using MODEF mode iterator.
10186         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
10187         *fop_df_1_i387 insn patterns using MODEF mode iterator.
10188         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
10189         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
10190         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
10191         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
10192         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
10193         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
10194         (*fop_xf_4_i387): Use <MODE> for mode attribute.
10195         (*fop_xf_5_i387): Ditto.
10196         (*fop_xf_6_i387): Ditto.
10197
10198 2008-05-30  Richard Guenther  <rguenther@suse.de>
10199
10200         * builtins.c (build_string_literal): Avoid generating
10201         a non-gimple_val result.
10202
10203 2008-05-30  DJ Delorie  <dj@redhat.com>
10204
10205         * exec-tool.in: Use an environment variable (private) instead of a
10206         file (shared) as a semaphore, so as to not break parallel builds.
10207
10208 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
10209
10210         * optabs.c (maybe_encapsulate_block): Remove.
10211         (emit_libcall_block): Adjust accordingly.
10212         * optabs.h (maybe_encapsulate_block): Remove prototype.
10213
10214         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
10215         Don't use maybe_encapsulate_block.
10216
10217 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
10218
10219         * config/rs6000/rs6000.c (rs6000_legitimize_address,
10220         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
10221         rtx is a SYMBOL_REF before calling get_pool_constant.
10222
10223 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
10224
10225         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
10226
10227 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
10228
10229         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
10230         rather than OS names to choose INO_T_EQ definition.
10231         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
10232         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
10233
10234 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
10235
10236         PR target/36348
10237         * config/darwin-f.c: New.
10238         * config/t-darwin: Added rule to build darwin-f.o.
10239         * config.gcc: Defined new variable, fortran_target_objs.
10240         (*-*-darwin*): Set fortran_target_objs.
10241         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
10242         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
10243         * configure: Regenerated.
10244
10245 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
10246
10247         PR target/35771
10248         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
10249         canonical type if needed.
10250
10251 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
10252
10253         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
10254
10255 2008-05-29  Richard Guenther  <rguenther@suse.de>
10256
10257         PR tree-optimization/36343
10258         PR tree-optimization/36346
10259         PR tree-optimization/36347
10260         * tree-flow.h (clobber_what_p_points_to): Declare.
10261         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
10262         pointed-to variable is dereferenced is irrelevant to whether
10263         the pointer can access the pointed-to variable.
10264         (clobber_what_p_points_to): New function.
10265         * tree-ssa-alias.c (set_initial_properties): Use it.
10266         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
10267         call clobber check for NMTs.
10268
10269 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
10270
10271         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
10272         for printing gcov_type.
10273
10274 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
10275
10276         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
10277         and the eh region information.
10278         * value-prof.c (gimple_move_stmt_histograms): New function.
10279         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
10280
10281 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
10282
10283         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
10284
10285 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
10286
10287         * value-prof.c (tree_ic_transform): Print counts.
10288         * tree-profile.c (tree_gen_ic_func_profiler):
10289         Clear __gcov_indreict_call_callee variable to avoid misattribution
10290         of the profile.
10291
10292 2008-05-28  Rafael Espindola  <espindola@google.com>
10293
10294         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
10295         invalid sharing.
10296
10297 2008-05-28  Richard Guenther  <rguenther@suse.de>
10298
10299         PR tree-optimization/36339
10300         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
10301         and clobbering code out of the loop.
10302
10303 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10304
10305         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
10306         letters defined.
10307
10308         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
10309         s390_contiguous_bitmask_p, s390_symref_operand_p,
10310         s390_check_symref_alignment, s390_reload_larl_operand,
10311         s390_reload_symref_address): New functions.
10312         (s390_branch_condition_mnemonic): Support compare and branch
10313         instructions.
10314         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
10315         and 'W' constraints.
10316         (s390_secondary_reload): Add secondary reloads for unaligned
10317         symbol refs or symbol refs to floating point or QI/TI mode
10318         integer values.
10319         (legitimate_address_p): Accept symbol references as addresses.
10320         (s390_expand_insv): Use rotate and insert selected bits
10321         instruction for insv when building for z10.
10322         (print_operand_address): Handle symbol ref addresses.
10323         (print_operand): Output modifier 'c' added for signed byte values.
10324         (s390_encode_section_info): Mark symbol refs with
10325         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
10326
10327         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
10328         (length attribute): RRF, RRR have 4 byte length.
10329         (FPALL, INTALL): New mode iterators added.
10330         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
10331         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
10332         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
10333         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
10334         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
10335         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
10336         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
10337         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
10338         instructions.
10339         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
10340         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
10341         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
10342         reload<INTALL:mode><P:mode>_toreg_z10,
10343         reload<FPALL:mode><P:mode>_tomem_z10,
10344         reload<FPALL:mode><P:mode>_toreg_z10,
10345         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
10346         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
10347         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
10348         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
10349         definition.
10350         (movmem, clrmem, cmpmem): New splitters added.
10351
10352         * config/s390/predicates.md (larl_operand): Use
10353         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
10354         SYMBOL_REF_ALIGN1_P.
10355         (s390_signed_integer_comparison,
10356         s390_unsigned_integer_comparison): New predicates.
10357
10358         * config/s390/s390-protos.h (s390_check_symref_alignment,
10359         s390_contiguous_bitmask_p, s390_reload_larl_operand,
10360         s390_reload_symref_address,
10361         s390_compare_and_branch_condition_mask): Prototypes added.
10362
10363         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
10364         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
10365         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
10366
10367 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10368
10369         * config/s390/s390.c (z10_cost): New cost function for z10.
10370         (s390_handle_arch_option, override_options): Support -march=z10 switch.
10371         (s390_issue_rate): Adjust issue rate for z10.
10372         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
10373         (processor_flags): Add PF_Z10.
10374         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
10375         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
10376         * gcc/config.gcc: Add z10.
10377
10378 2008-05-28  Richard Guenther  <rguenther@suse.de>
10379
10380         PR tree-optimization/36291
10381         * tree-flow. h (struct gimple_df): Remove var_anns member.
10382         * tree-flow-inline.h (gimple_var_anns): Remove.
10383         (var_ann): Simplify.
10384         * tree-dfa.c (create_var_ann): Simplify.
10385         (remove_referenced_var): Clear alias info from var_anns of globals.
10386         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
10387         (delete_tree_ssa): Clear alias info from var_anns of globals.
10388         Do not free var_anns.
10389         (var_ann_eq): Remove.
10390         (var_ann_hash): Likewise.
10391
10392 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
10393
10394         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
10395         and loongson2f entries.
10396         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
10397         * config/mips/mips.h (processor_type): Add Loongson-2E
10398         and Loongson-2F entries.
10399         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
10400         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
10401         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
10402         * doc/invoke.texi (MIPS Options): Document loongson2e
10403         and loongson2f processor names.
10404
10405 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
10406
10407         PR target/35767
10408         PR target/35771
10409         * config/i386/i386.c (ix86_function_arg_boundary): Use
10410         alignment of canonical type.
10411         (ix86_expand_vector_move): Check unaligned memory access for
10412         all SSE modes.
10413
10414 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
10415
10416         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
10417         Moved to the front of file.
10418
10419 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
10420             H.J. Lu  <hongjiu.lu@intel.com>
10421
10422         * dwarf2out.c (current_fde): New.
10423         (add_cfi): Use it.
10424         (lookup_cfa:): Likewise.
10425         (dwarf2out_end_epilogue): Likewise.
10426         (dwarf2out_note_section_used): Likewise.
10427
10428 2008-05-27  Michael Matz  <matz@suse.de>
10429
10430         PR c++/27975
10431         * c.opt (Wenum-compare): New warning option.
10432         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
10433
10434 2008-05-27  Michael Matz  <matz@suse.de>
10435
10436         PR middle-end/36326
10437         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
10438         non-BLKmode types.
10439         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
10440         into memory as tail calls.
10441
10442 2008-05-27  Richard Guenther  <rguenther@suse.de>
10443
10444         PR tree-optimization/36339
10445         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
10446         pointers cause all addressable variables to be call clobbered.
10447
10448 2008-05-27  Richard Guenther  <rguenther@suse.de>
10449
10450         PR tree-optimization/36245
10451         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
10452
10453 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10454
10455         * config/s390/s390.md: Replace all occurences of the 'm'
10456         constraint with 'RT'.
10457
10458 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10459
10460         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
10461         definitions added.
10462         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
10463         "*movdi_64".
10464         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
10465         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
10466         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
10467
10468 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10469
10470         * reload.c: (find_reloads): Skip alternatives according to the
10471         "enabled" attribute. Constify the constraint variable.
10472         * recog.c (get_attr_enabled): Add default implementation.
10473         (extract_insn): Set the alternative_enabled_p array
10474         in the recog_data struct.
10475         (preprocess_constraints, constrain_operands): Skip
10476         alternatives according to the "enabled" attribute
10477         * recog.h (struct recog_data): New field alternative_enabled_p.
10478         (skip_alternative): New inline function.
10479         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
10480         (record_reg_classes): Skip alternative according to the
10481         "enabled" attribute.
10482
10483         * doc/md.texi: Add documention for the "enabled" attribute.
10484
10485 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10486
10487         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
10488         * postreload.c (reload_cse_simplify_operands): Replace 'm'
10489         constraint with TARGET_MEM_CONSTRAINT.
10490         * recog.c (asm_operand_ok, preprocess_constraints,
10491         constrain_operands): Likewise.
10492         * regclass.c (record_reg_classes): Likewise.
10493         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
10494         * reload1.c (maybe_fix_stack_asms): Likewise.
10495         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
10496         * recog.h: Adjust comment.
10497         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
10498         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
10499         * doc/md.texi: Add a note to description of 'm' constraint.
10500         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
10501
10502 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
10503
10504         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
10505         that the bitfield is of integral type before testing its precision.
10506
10507 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
10508             Sa Liu  <saliu@de.ibm.com>
10509
10510         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
10511         __modti3, __udivti3, __umodti3 and __udivmodti4.
10512         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
10513         that implement TImode mul and div functions.
10514         * config/spu/multi3.c: New. Implement __multi3.
10515         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
10516         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
10517         functions on SPU.
10518
10519 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
10520
10521         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
10522         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
10523         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
10524         tls_sysv_suffix): New mode and mode attribute iterators.
10525         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
10526         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
10527         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
10528         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
10529         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
10530         iterators.
10531
10532 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
10533
10534         PR tree-optimization/36329
10535         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
10536         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
10537         * cgraphbuild.c (initialize_inline_failed): Use the latter
10538         macro in lieu of the former.
10539         * ipa-inline.c (cgraph_mark_inline): Likewise.
10540         (cgraph_decide_inlining_of_small_function): Likewise.
10541         (cgraph_decide_inlining): Likewise.
10542         (cgraph_decide_inlining_incrementally): Likewise.
10543
10544 2008-05-26  Tristan Gingold  <gingold@adacore.com>
10545             Anatoly Sokolov  <aesok@post.ru>
10546
10547         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
10548         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
10549         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
10550         optimization for 'avr6' architecture.
10551
10552 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
10553
10554         PR target/34932
10555         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
10556
10557 2008-05-26  Richard Guenther  <rguenther@suse.de>
10558
10559         * tree-ssa-sccvn.c (expr_has_constants): Declare.
10560         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
10561
10562 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
10563
10564         PR middle-end/36253
10565         * caller-save.c (insert_restore): Verify alignment of spill space.
10566         (insert_save): Likewise.
10567         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
10568         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
10569         (STACK_SLOT_ALIGNMENT): Likewise.
10570         * function.c (LOCAL_ALIGNMENT): Removed.
10571         (get_stack_local_alignment): New.
10572         (assign_stack_local): Use it.  Set alignment on stack slot.
10573         (assign_stack_temp_for_type): Use get_stack_local_alignment.
10574         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
10575         (STACK_SLOT_ALIGNMENT): New.
10576         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
10577         stack slot in XFmode.
10578
10579         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
10580
10581 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
10582
10583         PR/36321
10584         * config/i386/i386.md (allocate_stack_worker_64): Make sure
10585         argument operand in rax isn't removed.
10586
10587 2008-05-26  Richard Guenther  <rguenther@suse.de>
10588
10589         PR middle-end/36300
10590         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
10591         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
10592
10593 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10594
10595         PR bootstrap/36331
10596         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
10597
10598 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
10599
10600         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
10601         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
10602
10603 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
10604
10605         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
10606         build a trampoline if we don't want one.
10607         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
10608         return zero for nested functions if we don't want a trampoline.
10609
10610 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10611
10612         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
10613
10614 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10615
10616         PR fortran/18428
10617         * c.opt: Removed undocumented option '-lang-fortran'.
10618         * c-common.h: Removed global variable 'lang_fortran'.
10619         * c-opts.c (c_common_handle_option): Removed code to handle
10620         option '-lang-fortran'. Updated includes.
10621         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
10622         definition of '__GFORTRAN__'.
10623         (define__GNUC__): Reimplemented to use BASEVER and
10624         cpp_define_formatted.
10625         (builtin_define_with_value_n): Removed.
10626         * c-incpath.h: Renamed to ...
10627         * incpath.h: ... this.
10628         * c-incpath.c: Renamed to ...
10629         * incpath.c: ... this. Updated includes.
10630         * fix-header.c: Updated includes.
10631         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
10632         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
10633         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
10634
10635 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
10636
10637         * tree.h: Update the table of flags used on tree nodes.
10638         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
10639         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
10640         (FORCED_LABEL): Add access check.
10641         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
10642         (ASM_INPUT_P): Likewise.
10643         (ASM_VOLATILE_P): Likewise.
10644         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
10645         (OMP_SECTION_LAST): Access private_flag directly.
10646         (OMP_RETURN_NOWAIT): Likewise.
10647         (OMP_PARALLEL_COMBINED): Likewise.
10648         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
10649         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
10650         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
10651         deprecated_flag directly.
10652
10653 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
10654
10655         * final.c (frame_pointer_needed): Removed.
10656         * flags.h (frame_pointer_needed): Likewise.
10657
10658         * function.h (rtl_data): Add frame_pointer_needed.
10659         (frame_pointer_needed): New.
10660
10661 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
10662
10663         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
10664
10665 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
10666
10667         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
10668         SRC is a REG.
10669
10670 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
10671
10672         * c-common.c (strip_array_types): Move function to..
10673         * tree.c: ..here.
10674         (get_inner_array_type): Delete.
10675         * c-common.h (strip_array_types): Move declaration to..
10676         * tree.h: ..here.
10677         (get_inner_array_type): Delete.
10678         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
10679         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
10680         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
10681         * config/pa/pa.c (emit_move_sequence): Likewise.
10682
10683 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
10684
10685         * config/i386/i386.md (*sse_prologue_save_insn): Set length
10686         attribute to 34.
10687
10688 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
10689
10690         * function.c: Include target hook for nonlocal_goto frame value.
10691
10692 2008-05-24  Richard Guenther  <rguenther@suse.de>
10693
10694         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
10695         variable can be only accessed through a pointer or a union.
10696
10697 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10698
10699         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
10700         * doc/extend.texi: Likewise.
10701
10702 2008-05-23  DJ Delorie  <dj@redhat.com>
10703
10704         * config/m32c/jump.md (untyped_call): Add.
10705
10706         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
10707         for A24 to PSImode.
10708         (m32c_address_cost): Detail costs for indirect offsets.
10709
10710 2008-05-23  Rafael Espindola  <espindola@google.com>
10711
10712         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
10713         if a node is a SUBREG.
10714         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
10715         is a SUBREG.
10716
10717 2008-05-23  Paul Brook  <paul@codesourcery.com>
10718             Carlos O'Donell  <carlos@codesourcery.com>
10719
10720         * doc/extend.texi: Clarify use of __attribute__((naked)).
10721         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10722         * target.h (gcc_target): Add allocate_stack_slots_for_args.
10723         * function.c (use_register_for_decl): Use
10724         targetm.calls.allocate_stack_slots_for_args.
10725         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10726         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
10727         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
10728
10729 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
10730
10731         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
10732
10733 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
10734
10735         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
10736         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
10737         is only rounded once.
10738
10739 2008-05-23  Richard Guenther  <rguenther@suse.de>
10740
10741         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
10742
10743 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
10744             Jakub Jelinek  <jakub@redhat.com>
10745
10746         PR target/36079
10747         * configure.ac: Handle --enable-cld.
10748         * configure: Regenerated.
10749         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
10750         * config/i386/i386.h (struct machine_function): Add needs_cld field.
10751         (ix86_current_function_needs_cld): New define.
10752         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
10753         (cld): New isns pattern.
10754         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
10755         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
10756         * config/i386/i386.opt (mcld): New option.
10757         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
10758         TARGET_CLD and ix86_current_function_needs_cld.
10759         (override_options): Use -mcld by default for 32-bit code if
10760         USE_IX86_CLD.
10761
10762         * doc/install.texi (Options specification): Document --enable-cld.
10763         * doc/invoke.texi (Machine Dependent Options)
10764         [i386 and x86-64 Options]: Add -mcld option.
10765         (Intel 386 and AMD x86-64 Options): Document -mcld option.
10766
10767 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
10768         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
10769         (return_in_memory_64): Likewise.
10770         (return_in_memory_ms_64): Likewise.
10771
10772 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10773
10774         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
10775         * builtins.c (fold_builtin_fpclassify): New.
10776         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
10777         * builtins.def (BUILT_IN_FPCLASSIFY): New.
10778         * c-common.c (handle_type_generic_attribute): Adjust to accept
10779         fixed arguments before an elipsis.
10780         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
10781         * doc/extend.texi: Document __builtin_fpclassify.
10782
10783 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
10784
10785         * omp-low.c (gate_expand_omp_ssa): Remove.
10786         (pass_expand_omp_ssa): Remove.
10787         (gate_expand_omp): Do not check for flag_openmp_ssa.
10788         * common.opt (-fopenmp-ssa): Remove.
10789         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
10790
10791 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
10792
10793         * config/sh/sh.opt (mfixed-range): New option.
10794         * config/sh/sh-protos.h (sh_fix_range): Declare.
10795         * config/sh/sh.c (sh_fix_range): New function.
10796         * config/sh/sh.h (sh_fixed_range_str): Declare.
10797         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
10798         is not empty.
10799         * doc/invoke.texi (SH Options): Document -mfixed-range.
10800
10801 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
10802
10803         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
10804         it before the redeclaration.
10805
10806 2008-05-22  Anatoly Sokolov <aesok@post.ru>
10807
10808         * config/avr/avr.c (get_sequence_length): Add new function.
10809         (expand_prologue, expand_epilogue): Remove duplicate code.
10810
10811 2008-05-22  Rafael Espindola  <espindola@google.com>
10812
10813         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
10814         sharing.
10815
10816 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
10817
10818         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
10819         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
10820
10821         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
10822         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
10823         (vect_update_misalignment_for_peel): Likewise.
10824         (vector_alignment_reachable_p): Likewise.
10825         * tree-vect-transform.c (vectorizable_load): Likewise.
10826         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
10827         (get_vectype_for_scalar_type): Pass mode of scalar_type
10828         to UNITS_PER_SIMD_WORD.
10829
10830         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
10831         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
10832         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
10833         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
10834         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
10835
10836 2008-05-22  Ira Rosen  <irar@il.ibm.com>
10837
10838         PR tree-optimization/36293
10839         * tree-vect-transform.c (vect_transform_strided_load): Don't check
10840         if the first load must be skipped because of a gap.
10841
10842 2008-05-22  Richard Guenther  <rguenther@suse.de>
10843
10844         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
10845         more cases of offset disambiguation that is possible if
10846         strict-aliasing rules apply.
10847         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
10848         for basic offset and type-based disambiguation.
10849
10850 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10851
10852         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
10853         ix86_expand_vector_set on V16QImode for SSE4.1.
10854
10855 2008-05-21  Tom Tromey  <tromey@redhat.com>
10856
10857         * c.opt (Wimport): Mark as undocumented.
10858         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
10859         -Wno-import.
10860         (Warning Options): Likewise.
10861         * doc/cppopts.texi: Don't mention -Wimport.
10862
10863 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
10864
10865         PR tree-optimization/36287
10866         PR tree-optimization/36286
10867         * lambda-code.c (build_access_matrix): Do not use the loop->num
10868         for computing the number of induction variables: use the loop depth
10869         instead.
10870
10871 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
10872
10873         PR/36280
10874         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
10875         option -f(no-)leading-underscore.
10876
10877 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10878
10879         * config/i386/i386.c (ix86_expand_vector_init_general): Use
10880         GET_MODE_NUNITS (mode).
10881
10882 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
10883
10884         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
10885         (-mmulhw): Add 464 to description.
10886         (-mdlmzb): Likewise.
10887         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
10888         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
10889         464fp entries.
10890         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
10891         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
10892         * config/rs6000/rs6000.md: Update comments for 464.
10893
10894 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
10895
10896         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
10897
10898 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10899
10900         * config/i386/sse.md (vec_extractv4sf): Removed.
10901         (vec_extractv2df): Likewise.
10902         (vec_extractv2di): Likewise.
10903         (vec_extractv4si): Likewise.
10904         (vec_extractv8hi): Likewise.
10905         (vec_extractv16qi): Likewise.
10906         (vec_extract<mode>): New.
10907
10908 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10909
10910         * config/i386/sse.md (vec_setv4sf): Removed.
10911         (vec_setv2df): Likewise.
10912         (vec_setv2di): Likewise.
10913         (vec_setv4si): Likewise.
10914         (vec_setv8hi): Likewise.
10915         (vec_setv16qi): Likewise.
10916         (vec_set<mode>): New.
10917
10918 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10919
10920         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
10921         goto for vec_concat and vec_interleave.
10922
10923 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10924
10925         * config/i386/sse.md (vec_initv4sf): Removed.
10926         (vec_initv2df): Likewise.
10927         (vec_initv2di): Likewise.
10928         (vec_initv4si): Likewise.
10929         (vec_initv8hi): Likewise.
10930         (vec_initv16qi): Likewise.
10931         (vec_init<mode>): New.
10932
10933 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
10934
10935         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
10936
10937 2008-05-21  Tom Tromey  <tromey@redhat.com>
10938
10939         * ggc-zone.c (lookup_page_table_if_allocated): New function.
10940         (zone_find_object_offset): Likewise.
10941         (gt_ggc_m_S): Likewise.
10942         (highest_bit): Likewise.
10943         * ggc-page.c (gt_ggc_m_S): New function.
10944         * stringpool.c (string_stack): Remove.
10945         (init_stringpool): Update.
10946         (ggc_alloc_string): Use ggc_alloc.
10947         (maybe_delete_ident): New function.
10948         (ggc_purge_stringpool): Likewise.
10949         (gt_ggc_m_S): Remove.
10950         * ggc-common.c (ggc_protect_identifiers): New global.
10951         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
10952         ggc_protect_identifiers.
10953         * ggc.h (ggc_protect_identifiers): Declare.
10954         (gt_ggc_m_S): Update.
10955         (ggc_purge_stringpool): Declare.
10956         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
10957         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
10958         special case.
10959         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
10960
10961 2008-05-21  David S. Miller  <davem@davemloft.net>
10962
10963         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
10964         tmake_file.
10965
10966 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
10967
10968         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
10969         once finished.
10970
10971 2008-05-20  David Daney  <ddaney@avtrex.com>
10972
10973         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
10974         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
10975         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
10976         UNSPEC_UPDATE_GOT_VERSION): Renumber.
10977         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
10978         (atomic_hiqi_op): New define_code_iterator.
10979         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
10980         mips_expand_compare_and_swap_12.
10981         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
10982         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
10983         (sync_<optab><mode>, sync_old_<optab><mode>,
10984         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
10985         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
10986         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
10987         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
10988         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
10989         (test_and_set_12): New insn.
10990         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
10991         sync_new_<optab><mode>, sync_old_nand<mode>,
10992         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
10993         clobber to operand 0 for SI and DI mode insns.
10994         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
10995         mips_gen_fn_4): New typedefs.
10996         (mips_gen_fn_ptrs): Define new union type.
10997         (mips_expand_compare_and_swap_12): Remove declaration.
10998         (mips_expand_atomic_qihi): Declare function.
10999         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
11000         (mips_expand_atomic_qihi): ... this.  Use new generator function
11001         parameter.
11002         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
11003         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
11004         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
11005         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
11006         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
11007         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
11008         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
11009         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
11010         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
11011         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
11012         New macros.
11013
11014 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
11015
11016         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
11017         the missing break.
11018
11019 2008-05-20  Anatoly Sokolov <aesok@post.ru>
11020
11021         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
11022         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
11023         (avr_attribute_table): Add 'OS_main' function attribute.
11024         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
11025         functions with 'OS_main' attribute.
11026
11027 2008-05-20  Richard Guenther  <rguenther@suse.de>
11028
11029         PR tree-optimization/35204
11030         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
11031         helper, split out from ...
11032         (DFS): ... here.  Make the DFS walk non-recursive.
11033
11034 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
11035             Jan Sjodin  <jan.sjodin@amd.com>
11036
11037         PR tree-optimization/36181
11038         * tree-parloops.c (loop_has_vector_phi_nodes): New.
11039         (parallelize_loops): Don't parallelize when the loop has vector
11040         phi nodes.
11041
11042 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
11043             Sebastian Pop  <sebastian.pop@amd.com>
11044
11045         * tree-loop-linear.c (gather_interchange_stats): Look in the access
11046         matrix, and never look at the tree representation of the memory
11047         accesses.
11048         (linear_transform_loops): Computes parameters and access matrices.
11049         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
11050         when fails.
11051         (access_matrix_get_index_for_parameter): New.
11052         * tree-data-ref.h (struct access_matrix): New.
11053         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
11054         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
11055         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
11056         am_vector_index_for_loop): New.
11057         (struct data_reference): Add field access_matrix.
11058         (DR_ACCESS_MATRIX): New.
11059         (compute_data_dependences_for_loop): Update declaration.
11060         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
11061         * lambda.h (lambda_vector_vec_p): Declared.
11062         * lambda-code.c: Depend on pointer-set.h.
11063         (lambda_collect_parameters_from_af, lambda_collect_parameters,
11064         av_for_af_base, av_for_af, build_access_matrix,
11065         lambda_compute_access_matrices): New.
11066         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
11067
11068 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
11069
11070         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
11071         $SOURCEDIR/include.
11072
11073 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
11074             Sebastian Pop  <sebastian.pop@amd.com>
11075
11076         PR tree-optimization/36206
11077         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
11078         FOLD_CONVERSIONS.
11079         (instantiate_scev_1): Rename flags to fold_conversions.
11080         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
11081         outeside instantiation_loop.
11082         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
11083         (evolution_function_is_affine_or_constant_p): Removed.
11084         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
11085         instantiate_scev.
11086         (analyze_siv_subscript): Pass in the loop nest number.
11087         Call evolution_function_is_affine_in_loop instead of
11088         evolution_function_is_affine_p.
11089         (analyze_overlapping_iterations): Pass in the loop nest number.
11090
11091 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
11092             Sebastian Pop  <sebastian.pop@amd.com>
11093
11094         PR tree-optimization/36206
11095         * tree-chrec.h (chrec_fold_op): New.
11096         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
11097         and other trees.
11098
11099 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
11100
11101         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
11102         (DIRS_EQ): New.
11103         (remove_duplicates): Do not set inode on non-inode systems.
11104         Use DIRS_EQ.
11105
11106 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
11107
11108         * config.gcc (tm_file): Update comments about relative pathnames.
11109
11110 2008-05-20  Richard Guenther  <rguenther@suse.de>
11111
11112         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
11113         * tree-ssa-sccvn.c (process_scc): Likewise.
11114         * tree-ssa-sink.c (execute_sink_code): Likewise.
11115         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
11116         * tree-vrp.c (process_assert_insertions): Likewise.
11117         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
11118         (perform_tree_ssa_dce): Likewise.
11119         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
11120         (dump_dominator_optimization_stats): Likewise.
11121         * tree-vectorizer.c (vectorize_loops): Likewise.
11122
11123 2008-05-20  Richard Guenther  <rguenther@suse.de>
11124
11125         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
11126
11127 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
11128
11129         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
11130         (ix86_i386elf_return_in_memory): Likewise.
11131         (ix86_i386interix_return_in_memory): Likewise.
11132         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
11133         (SUBTARGET_RETURN_IN_MEMORY): New.
11134         * config/i386/i386elf.h: Likewise.
11135         * config/i386/ptx4-i.h: Likewise.
11136         * config/i386/sol2-10.h: Likewise.
11137         * config/i386/sysv4.h: Likewise.
11138         * config/i386/vx-common.h: Likewise.
11139         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
11140         * config/i386/i386.c (ix86_return_in_memory): Made static and
11141         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
11142         (ix86_i386elf_return_in_memory): Removed.
11143         (ix86_i386interix_return_in_memory): Removed.
11144         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
11145         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
11146
11147 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
11148
11149         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
11150
11151 2008-05-19  Xinliang David Li  <davidxl@google.com>
11152
11153         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
11154         * opts.c: Ditto.
11155         * common.opt: Ditto.
11156         * doc/invoke.texi: Ditto.
11157
11158 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
11159
11160         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
11161         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
11162
11163 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
11164
11165         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
11166         sizes of operand array from 8/4 to 4/2.
11167         (ix86_expand_vector_init_general): Change size of operand array
11168         from 32 to 16.  Remove op0, op1 and half_mode.
11169
11170 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
11171
11172         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
11173         (ix86_expand_vector_init_interleave): Likewise.
11174         (ix86_expand_vector_init_general): Use them.  Assert
11175         word_mode == SImode when n_words == 4.
11176
11177 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
11178
11179         * config/i386/i386.c (ix86_secondary_reload): New static function.
11180         (TARGET_SECONDARY_RELOAD): New define.
11181         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
11182         * config/i386/i386.md (reload_outqi): Remove.
11183
11184 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11185
11186         PR middle-end/35509
11187         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
11188         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
11189         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
11190         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
11191         (fold_builtin_1): Likewise.
11192         * builtins.def (BUILT_IN_ISINF_SIGN): New.
11193         c-common.c (check_builtin_function_arguments): Handle
11194         BUILT_IN_ISINF_SIGN.
11195         * doc/extend.texi: Document __builtin_isinf_sign.
11196         * fold-const.c (operand_equal_p): Handle COND_EXPR.
11197
11198 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
11199
11200         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
11201         EH cleanup at the end of the pass, search for those that have been
11202         turned into forwarder blocks and do the cleanup on their successor.
11203
11204 2008-05-18  Richard Guenther  <rguenther@suse.de>
11205
11206         * tree-cfg.c (verify_gimple_expr): Allow conversions from
11207         pointers to sizetype and vice versa.
11208
11209 2008-05-18 Xinliang David Li   <davidxl@google.com>
11210
11211         * gcc/tree-ssa-dce.c: Coding style fix.
11212         (check_pow): Documentation comment.
11213         (check_log): Documenation comment. Coding style fix.
11214         (is_unnecessary_except_errno_call): Ditto.
11215         (gen_conditions_for_pow): Ditto.
11216         (gen_conditions_for_log): Ditto.
11217         (gen_shrink_wrap_conditions): Ditto.
11218         (shrink_wrap_one_built_in_calls): Ditto.
11219         * gcc/doc/invoke.texi: Better documentation string.
11220         * ChangeLog: Fix wrong change log entries from
11221         May 17 checkin on function call DCE.
11222
11223 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
11224
11225         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
11226
11227 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
11228
11229         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
11230         * df-problems.c (simulation routines): Fixed block comment to
11231         properly say how to add forwards scanning functions.
11232
11233 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
11234
11235         * tree-inline.c (setup_one_parameter): Remove dead code.
11236
11237 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
11238
11239         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
11240         a BIT_AND_EXPR only for an INTEGER_TYPE.
11241
11242 2008-05-17 Xinliang David Li   <davidxl@google.com>
11243
11244         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
11245         (check_pow, check_log, is_unnecessary_except_errno_call): New
11246         functions to check for eliminating math functions that are pure
11247         except for setting errno.
11248         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
11249         general condition expressions for shrink-wrapping pow/log calls.
11250         (gen_shrink_wrap_conditions): Ditto.
11251         (shrink_wrap_one_built_in_call): Ditto.
11252         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
11253         (mark_operand_necessary): If debugging, output if OP is necessary.
11254         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
11255         unnecessary.
11256         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
11257         opt level >= 2.
11258         * gcc/common.opt: New user flag -ftree-builtin-dce.
11259         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
11260
11261 2008-05-16  David S. Miller  <davem@davemloft.net>
11262
11263         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
11264         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
11265
11266 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
11267
11268         PR target/36246
11269         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
11270
11271 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11272
11273         * ifcvt.c (dead_or_predicable): Rename
11274         df_simulate_one_insn_backwards to df_simulate_one_insn.
11275         * recog.c (peephole2_optimize): Ditto.
11276         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
11277         Ditto.
11278         * df.h: Rename df_simulate_one_insn_backwards to
11279         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
11280         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
11281         scanning of defs and uses.
11282         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
11283         (df_simulate_one_insn_forwards): Removed.
11284
11285 2008-05-16  Doug Kwan  <dougkwan@google.com>
11286
11287         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
11288         QNaN & SNaN.
11289         (real_from_string): Handle NaNs and Inf as approriate.
11290
11291 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
11292
11293         * doc/gty.texi (Source Files Containing Type Information): Note
11294         that headers should appear first in the gtfiles list.
11295
11296 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11297
11298         * tree.def (COND_EXEC): Properly documented this code.
11299
11300 2008-05-16  Diego Novillo  <dnovillo@google.com>
11301
11302         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
11303         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
11304         the new field.
11305
11306 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11307
11308         * tree-ssa-dse (max_stmt_uid): Removed.
11309         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
11310         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
11311         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
11312         * function.h (cfun.last_stmt_uid): New field.
11313         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
11314         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
11315         New functions.
11316         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
11317         (create_stmt_ann): Initialize the ann->uid field.
11318         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
11319         with new calls.
11320         * tree-flow.h (renumber_gimple_stmt_uids): New function.
11321
11322 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
11323
11324         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
11325         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
11326         (init_empty_tree_cfg): Call it.
11327
11328 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11329
11330         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
11331         Update all users.
11332
11333 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11334
11335         * doc/invoke.text (-fdump-tree-*-verbose): New option.
11336         * tree-dump.c (dump_options): New verbose option.
11337         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
11338         Add verbose dump.
11339         * tree-pass.h (TDF_VERBOSE): New dump flag.
11340         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
11341         (tree-flow.h): Added include.
11342         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
11343
11344 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
11345
11346         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
11347
11348         From Jie Zhang  <jie.zhang@analog.com>
11349         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
11350         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
11351         mcpu=bf561-none and mcpu=bf561-0.2.
11352         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
11353         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
11354         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
11355         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
11356         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
11357         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
11358         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
11359         option.
11360         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
11361         (cputype_selected): Remove.
11362         (bfin_handle_option): Don't use cputype_selected.
11363         (override_options): When no mcpu option, enable all workarounds.
11364         Don't use bfin_workarounds.
11365         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
11366         processor type.
11367         (DEFAULT_CPU_TYPE): Don't define.
11368
11369 2008-05-16  Richard Guenther  <rguenther@suse.de>
11370
11371         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
11372         on deletion of the last stmt.
11373
11374 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
11375
11376         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
11377         V8HImode for SSE2 and V16QImode for SSE4.1.
11378
11379 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
11380
11381         * cgraph.h (compute_inline_parameters): Made public.
11382         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
11383         variable_generate_summary, function_write_summary,
11384         variable_write_summary, variable_read_summary.  Added generate_summary,
11385         write_summary, read_summary.
11386         * cgraphunit.c (cgraph_process_new_functions): Changed call from
11387         pass_ipa_inline.function_generate_summary, to
11388         compute_inline_parameters.
11389         * ipa-inline.c (compute_inline_parameters): Made public and added
11390         node parameter.
11391         (compute_inline_parameters_for_current): New function.
11392         (pass_inline_param): Now calls compute_inline_parameters_for_current.
11393         (inline_generate_summary): Removed parameter and made to loop over
11394         all cgraph nodes.
11395         (pass_ipa_inline): Updated for new IPA_PASS structure.
11396         * passes.c (execute_ipa_summary_passes): Now is called once per
11397         pass rather than once per node*pass.
11398
11399 2008-05-15  Anatoly Sokolov <aesok@post.ru>
11400
11401         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
11402         avr_have_mul_p, avr_asm_only_p): Remove variables.
11403         (avr_override_options): Remove initialization of removed variables.
11404         (avr_file_start):  Convert removed variables to fields of
11405         'struct base_arch_s *avr_current_arch'.
11406         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
11407         (AVR_HAVE_MUL): (Ditto.).
11408         (AVR_HAVE_MOVW): (Ditto.).
11409         (AVR_HAVE_LPMX): (Ditto.).
11410         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
11411         avr_asm_only_p): Remove declaration.
11412
11413 2008-05-15  Diego Novillo  <dnovillo@google.com>
11414
11415         * config/arm/arm.c (arm_return_in_memory): Fix return type.
11416         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
11417
11418 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
11419
11420         PR middle-end/36194
11421         * combine.c (check_conversion): Rename back to check_promoted_subreg.
11422         Don't call record_truncated_value from here.
11423         (record_truncated_value): Turn it into a for_each_rtx callback.
11424         (record_truncated_values): New function.
11425         (combine_instructions): Call note_uses with record_truncated_values.
11426         Change name of check_conversion to check_promoted_subreg.
11427
11428 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
11429
11430         * doc/sourcebuild.texi: Document support for torture tests.
11431
11432 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
11433
11434         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
11435         to alternative 4 of operand 2.
11436
11437 2008-05-15  Richard Guenther  <rguenther@suse.de>
11438
11439         * tree-pass.h (current_pass): Declare.
11440         (get_pass_for_id): Likewise.
11441         * passes.c (passes_by_id, passes_by_id_size): New globals.
11442         (set_pass_for_id): New function.
11443         (get_pass_for_id): Likewise.
11444         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
11445         (execute_function_todo): Flush per function statistics.
11446         * toplev.c (compile_file): Init statistics.
11447         (general_init): Do early statistics initialization.
11448         (finalize): Finish statistics.
11449         * statistics.h (statistics_early_init): Declare.
11450         (statistics_init): Likewise.
11451         (statistics_fini): Likewise.
11452         (statistics_fini_pass): Likewise.
11453         (statistics_counter_event): Likewise.
11454         (statistics_histogram_event): Likewise.
11455         * statistics.c: New file.
11456         * Makefile.in (OBJS-common): Add statistics.o.
11457         (statistics.o): Add dependencies.
11458         * doc/invoke.texi (-fdump-statistics): Document.
11459
11460         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
11461         (insert): Likewise.
11462         (execute_pre): Use statistics_counter_event.
11463         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
11464         (substitute_and_fold): Increment it.  Use statistics_counter_event.
11465
11466 2008-05-15  Diego Novillo  <dnovillo@google.com>
11467
11468         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
11469
11470         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
11471         * tree-ssa-alias.c (new_type_alias): Remove references to
11472         sub-variables from comment.
11473         * tree-ssa-operands.c (swap_tree_operands): Likewise.
11474
11475 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
11476
11477         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
11478         attribute to 1 only for insertps alternative.
11479
11480 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
11481
11482         * config/bfin/bfin.md (loadbytes): New pattern.
11483         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
11484         (bfin_init_builtins): Initialize it.
11485         (bdesc_1arg): Add it.
11486
11487 2008-05-15  Sa Liu  <saliu@de.ibm.com>
11488
11489         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
11490         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
11491         * testsuite/lib/target-supports.exp: Add
11492         check_effective_target_fortran_integer_16.
11493
11494 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
11495
11496         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
11497         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
11498         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
11499         (TARGET_RETURN_IN_MEMORY): Define.
11500
11501 2008-05-15  Richard Guenther  <rguenther@suse.de>
11502
11503         PR middle-end/36244
11504         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
11505         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
11506         represent unmodifiable vars.
11507
11508 2008-05-15  Richard Guenther  <rguenther@suse.de>
11509
11510         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
11511         INDIRECT_REF and TARGET_MEM_REF.
11512         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
11513         TARGET_MEM_REF.
11514
11515 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
11516             H.J. Lu  <hongjiu.lu@intel.com>
11517
11518         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
11519         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
11520         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
11521         insn alternatives.  Add missing alternatives.
11522         (*vec_concatv2di_rex64_sse4_1): Likewise.
11523         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
11524         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
11525         Require TARGET_SSE.
11526
11527 2008-05-15  Richard Guenther  <rguenther@suse.de>
11528
11529         PR tree-optimization/36009
11530         PR tree-optimization/36204
11531         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
11532         (determine_invariantness_stmt): Record the loop a store is
11533         always executed in.
11534         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
11535         dependency.
11536
11537 2008-05-15  Richard Guenther  <rguenther@suse.de>
11538
11539         PR tree-optimization/34330
11540         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
11541         through the pointer will alias the SMT.
11542
11543 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
11544
11545         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
11546
11547 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
11548
11549         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
11550
11551 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11552             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
11553
11554         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
11555         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
11556         (vashl_optab): New optab for vector/vector shifts.
11557         (vashr_optab): Ditto.
11558         (vlshr_optab): Ditto.
11559         (vrotl_optab): Ditto.
11560         (vrotr_optab): Ditto.
11561         (optab_subtype): New enum for optab_for_tree_code call.
11562         (optab_for_tree_code): Add enum optab_subtype argument.
11563
11564         * optabs.c (optab_for_tree_code): Take an additional argument to
11565         distinguish between a vector shift by a scalar and vector shift by
11566         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
11567         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
11568         vector shift by a vector.
11569         (expand_widen_pattern_expr): Pass additional argument to
11570         optab_for_tree_code.
11571
11572         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
11573         vrotl_optab, vrotr_optab.
11574
11575         * expr.c (expand_expr_real_1): Update calls to
11576         optab_for_tree_code to distinguish between vector shifted by a
11577         scalar and vector shifted by a vector.
11578         * tree-vectorizer.c (supportable_widening_operation): Ditto.
11579         (supportable_narrowing_operation): Ditto.
11580         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
11581         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
11582         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
11583         (vect_create_epilog_for_reduction): Ditto.
11584         (vectorizable_reduction): Ditto.
11585         (vectorizable_operation): Ditto.
11586         (vect_strided_store_supported): Ditto.
11587         (vect_strided_load_supported): Ditto.
11588         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
11589         * expmed.c (expand_shift): Ditto.
11590
11591         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
11592         scalar type.
11593         (ashr@var{m}3): Ditto.
11594         (vashl@var{m}3): Document new vector/vector shift standard name.
11595         (vashr@var{m}3): Ditto.
11596         (vlshr@var{m}3): Ditto.
11597         (vrotl@var{m}3): Ditto.
11598         (vrotr@var{m}3): Ditto.
11599
11600         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
11601         (PPERM_INVERT): Ditto.
11602         (PPERM_REVERSE): Ditto.
11603         (PPERM_REV_INV): Ditto.
11604         (PPERM_ZERO): Ditto.
11605         (PPERM_ONES): Ditto.
11606         (PPERM_SIGN): Ditto.
11607         (PPERM_INV_SIGN): Ditto.
11608         (PPERM_SRC1): Ditto.
11609         (PPERM_SRC2): Ditto.
11610
11611         * config/i386/sse.md (mulv2di3): Add SSE5 support.
11612         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
11613         allows a memory operand to be the value being added, and split it
11614         to improve vectorization.
11615         (sse5_pmacsdqh_mem): Ditto.
11616         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
11617         (sse5_mulv2div2di3_high): Ditto.
11618         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
11619         (vec_pack_trunc_v4si): Ditto.
11620         (vec_pack_trunc_v2di): Ditto.
11621         (sse5_pcmov_<mode>): Remove code that tried to use use
11622         andps/andnps instead of pcmov.
11623         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
11624         pmacsdqh instructions.
11625         (vec_widen_smult_lo_v4si): Ditto.
11626
11627         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
11628         (PPERM_INVERT): Ditto.
11629         (PPERM_REVERSE): Ditto.
11630         (PPERM_REV_INV): Ditto.
11631         (PPERM_ZERO): Ditto.
11632         (PPERM_ONES): Ditto.
11633         (PPERM_SIGN): Ditto.
11634         (PPERM_INV_SIGN): Ditto.
11635         (PPERM_SRC1): Ditto.
11636         (PPERM_SRC2): Ditto.
11637         (ix86_expand_sse_movcc): Move the SSE5 test after the if
11638         true/false tests.
11639         (ix86_expand_int_vcond): If SSE5 generate all possible integer
11640         comparisons.
11641         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
11642         says ignore whether the last reference is a memory operand.
11643
11644 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11645             Paolo Bonzini <bonzini at gnu dot org>
11646
11647         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
11648         shift patterns.
11649
11650         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
11651         (vlshr<mode>3): Rename from vlshr<mode>3.
11652         (vashr<mode>3): Rename from vashr<mode>3.
11653         (mulv4sf3): Change the names of vector shift patterns.
11654         (mulv4si3): Ditto.
11655         (negv4sf2): Ditt.
11656
11657         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
11658         shift insns.
11659
11660         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
11661         (SI_SHLHI): Ditto.
11662         (SI_SHL): Ditto.
11663         (SI_SHLI): Ditto.
11664         (SI_ROTH): Ditto.
11665         (SI_ROTHI): Ditto.
11666         (SI_ROT): Ditto.
11667         (SI_ROTI): Ditto.
11668         (SPU_RL_0): Ditto.
11669         (SPU_RL_1): Ditto.
11670         (SPU_RL_2): Ditto.
11671         (SPU_RL_3): Ditto.
11672         (SPU_RL_4): Ditto.
11673         (SPU_RL_5): Ditto.
11674         (SPU_RL_6): Ditto.
11675         (SPU_RL_7): Ditto.
11676         (SPU_SL_0): Ditto.
11677         (SPU_SL_1): Ditto.
11678         (SPU_SL_2): Ditto.
11679         (SPU_SL_3): Ditto.
11680         (SPU_SL_4): Ditto.
11681         (SPU_SL_5): Ditto.
11682         (SPU_SL_6): Ditto.
11683         (SPU_SL_7): Ditto.
11684
11685         * config/spu/spu.md (v): New iterator macro to add v for vector types.
11686         (floatunssidf2_internal): Change vector/vector shift names.
11687         (floatunsdidf2_internal): Ditto.
11688         (mulv8hi3): Ditto.
11689         (ashrdi3): Ditto.
11690         (ashrti3): Ditto.
11691         (cgt_df): Ditto.
11692         (cgt_v2df): Ditto.
11693         (dftsv): Ditto.
11694         (vashl<mode>3): Rename from ashl<mode>3.
11695         (vashr<mode>3): Rename from ashr<mode>3.
11696         (vlshr<mode>3): Rename from lshr<mode>3.
11697         (vrotl<mode>3): Rename from rotl<mode>3.
11698
11699 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11700
11701         PR target/36224
11702         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
11703         multiply gives the wrong value when doing widening multiplies.
11704         (vec_widen_smult_lo_v4si): Ditto.
11705
11706 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11707
11708         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
11709         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
11710         emit_library_call_value.
11711         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
11712         * tree.h (ECF_LIBCALL_BLOCK): Removed.
11713         * calls.c (initialize_argument_information, precompute_arguments,
11714         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
11715         (precompute_arguments): Removed flags parameter.
11716         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
11717
11718 2008-05-14  Richard Guenther  <rguenther@suse.de>
11719
11720         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
11721         Make sure to register the store if the use is a PHI_NODE.
11722
11723 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11724
11725         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
11726         memory if the component is to be referenced in BLKmode according
11727         to get_inner_reference.
11728
11729 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
11730
11731         * calls.c (emit_library_call_value_1): Restore code clearing
11732         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
11733
11734 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11735             Nicolas Roche  <roche@adacore.com>
11736
11737         * configure.ac: Add support for a "gcc_subdir" variable in
11738         config-lang.in, to denote a subdirectory where the language/GCC
11739         integration files are to be found.
11740         * configure: Regenerate.
11741
11742 2008-05-14  Ira Rosen  <irar@il.ibm.com>
11743
11744         PR tree-optimization/36098
11745         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
11746         value for the first load in the group in case of a gap.
11747         (vect_build_slp_tree): Check that there are no gaps in loads.
11748
11749 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11750
11751         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
11752         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
11753         expand_copysign_bit, ): Change call to emit_no_conflict_block to
11754         emit_insn and remove unneeded code to construct extra args.
11755         (emit_no_conflict_block): Removed.
11756         * optabls.h: (emit_no_conflict_block): Removed.
11757         * cse.c (cse_extended_basic_block): Remove search for
11758         REG_NO_CONFLICT note.
11759         * global.c: Removed incorrect comment added in revision 117.
11760         * expr.c (convert_move): Change call to emit_no_conflict_block to
11761         emit_insn.
11762         * recog.c: Change comments so that they do not mention
11763         REG_NO_CONFLICT.
11764         * local_alloc.c (combine_regs): Removed last parameter.
11765         (no_conflict_p): Removed.
11766         (block_alloc): Removed note, no_conflict_combined_regno and set
11767         local vars. Removed all code to process REG_NO_CONFLICT blocks.
11768         (combine_regs): Removed already_dead and code to look for
11769         REG_NO_CONFLICT notes.
11770         * lower_subreg (remove_retval_note): Removed code to look for
11771         REG_NO_CONFLICT block.
11772         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
11773         (resolve_clobber): Remove code to process libcalls that have
11774         REG_NO_CONFLICT notes.
11775         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
11776         case.
11777         * combine.c (can_combine_p, distribute_notes):  Removed
11778         REG_NO_CONFLICT case.
11779         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
11780         to emit_insns.
11781         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
11782         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
11783         Ditto.
11784         * reg-notes.def (NO_CONFLICT): Removed.
11785
11786 2008-05-14  David S. Miller  <davem@davemloft.net>
11787
11788         * config/sparc/sparc.c (sparc_profile_hook): If
11789         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
11790         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
11791         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
11792
11793 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11794
11795         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
11796
11797 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
11798
11799         PR target/36222
11800         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
11801         and op1 expansion before vector concat to have less live pseudos.
11802
11803 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
11804
11805         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
11806         ix86_expand_vector_set if supported.
11807
11808 2008-05-13  Diego Novillo  <dnovillo@google.com>
11809             Kenneth Zadeck  <zadeck@naturalbridge.com>
11810
11811         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
11812
11813         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
11814         phinodes_print_statistics, init_ssanames, fini_ssanames,
11815         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
11816         release_ssa_name, release_defs, replace_ssa_name_symbol,
11817         ssanames_print_statistics): Move ...
11818         * tree-flow.h: ... here.
11819         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
11820         Use FN instead of cfun.
11821         (make_ssa_name_fn): Rename from make_ssa_name.
11822         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
11823         * tree-flow-inline.h (make_ssa_name): Move from
11824         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
11825         * omp-low.c (expand_omp_parallel):
11826         * tree-flow-inline.h (redirect_edge_var_map_result):
11827         * tree-ssa.c (init_tree_ssa): Add argument FN.
11828         Use it instead of cfun.  Update all users.
11829
11830 2008-05-13  Tom Tromey  <tromey@redhat.com>
11831
11832         PR preprocessor/22168:
11833         * doc/cpp.texi (Top): Update menu.
11834         (Alternatives to Wrapper #ifndef): New node.
11835         (Other Directives): Document deprecation.
11836         (Obsolete Features): Remove menu.
11837         (Assertions): Merge node into Obsolete Features.
11838         (Obsolete once-only headers): Move earlier; rename to Alternatives
11839         to Wrapper #ifndef.
11840         * doc/cppopts.texi: Update.
11841         * c.opt (Wdeprecated): Enable for C and ObjC.
11842         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
11843         (C++ Dialect Options): Move -Wno-deprecated from here to...
11844         (Warning Options): ... here.
11845
11846 2008-05-13  Richard Guenther  <rguenther@suse.de>
11847
11848         PR middle-end/36227
11849         * fold-const.c (fold_sign_changed_comparison): Do not allow
11850         changes in pointer-ness.
11851
11852 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11853
11854         PR target/24713
11855         * config/sh/sh.c (sh_expand_prologue): Don't clear
11856         RTX_FRAME_RELATED_P for push insns.
11857
11858 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
11859
11860         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
11861
11862 2008-05-12  Anatoly Sokolov <aesok@post.ru>
11863
11864         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
11865         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
11866         Use 'machine->is_leaf' instead of 'leaf_func_p'.
11867
11868 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
11869
11870         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
11871         (*vec_concatv4sf_sse): This.
11872         (*sse2_concatv2si): Renamed to ...
11873         (*vec_concatv2si_sse2): This.
11874         (*sse1_concatv2si): Renamed to ...
11875         (*vec_concatv2si_sse): This.
11876         (*vec_concatv2di_rex): Renamed to ...
11877         (*vec_concatv2di_rex64): This.
11878         (*vec_concatv2si_sse4_1): New.
11879         (*vec_concatv2di_rex64_sse4_1): Likewise.
11880
11881 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
11882
11883         PR rtl-optimization/36111
11884         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
11885         that was created for swappable operands.
11886
11887 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
11888
11889         PR ada/36001
11890         * Makefile.in: Substitute GNATMAKE and GNATBIND.
11891         * configure.ac: Add call to ACX_PROG_GNAT.
11892
11893 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
11894
11895         * optc-gen.awk: Fix comment typo.
11896
11897 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
11898
11899         * pretty-print.c (pp_integer_with_precision): Use
11900         HOST_LONG_LONG_FORMAT.
11901
11902 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
11903
11904         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
11905
11906 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
11907
11908         * config/i386/i386.c (bdesc_ptest): Removed.
11909         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
11910         (bdesc_args): Add __builtin_ia32_ptestz128,
11911         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
11912         (ix86_init_mmx_sse_builtins): Updated.
11913         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
11914         (ix86_expand_builtin): Updated.
11915
11916 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
11917
11918         * tree-cfg.c (valid_fixed_convert_types_p): New function.
11919         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
11920
11921 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
11922
11923         * value-prof.c (interesting_stringop_to_profile): Do not
11924         return early for BUILT_IN_MEMPCPY.
11925
11926 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
11927
11928         * calls.c (expand_call): Don't use callgraph to increase
11929         preferred_stack_boundary.
11930
11931         * cgraph.h (cgraph_rtl_info): Use unsigned on
11932         preferred_incoming_stack_boundary.
11933
11934         * final.c (rest_of_clean_state): Use unsigned on
11935         preferred_stack_boundary.
11936
11937 2008-05-09  Tom Tromey  <tromey@redhat.com>
11938
11939         PR preprocessor/22231:
11940         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
11941         proceeding.
11942
11943 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
11944
11945         PR tree-optimization/36129
11946         * tree-ssa-ccp.c: Include value-prof.h.
11947         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
11948         built-in function was folded to a constant.
11949         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
11950
11951 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
11952             Sebastian Pop  <sebastian.pop@amd.com>
11953
11954         * tree-scalar-evolution.c: Document instantiate_scev.
11955         (instantiate_parameters_1): Renamed instantiate_scev_1.
11956         Don't use the same loop for instantiation_loop and evolution_loop.
11957         (instantiate_scev): New.
11958         (instantiate_parameters): Moved...
11959         (resolve_mixers): Update call to instantiate_scev_1 to pass the
11960         same loop twice.  Maintains the semantics for this function.
11961         * tree-scalar-evolution.h (instantiate_scev): Declare.
11962         (instantiate_parameters): ...here.  Now static inline.
11963         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
11964         instead of resolve_mixers.
11965
11966 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
11967
11968         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
11969
11970 2008-05-09  Tomas Bily  <tbily@suse.cz>
11971
11972         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
11973         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
11974         * tree-ssa-structalias.c (get_constraint_for): Likewise.
11975         * c-common.c (c_common_truthvalue_conversion): Likewise.
11976         * tree-object-size.c (compute_object_offset): Likewise.
11977         * tree-inline.c (estimate_num_insns_1): Likewise.
11978         * varasm.c (const_hash_1, compare_constant, copy_constant)
11979         (compute_reloc_for_constant, output_addressed_constants)
11980         (initializer_constant_valid_p): Likewise.
11981         * c-omp.c (check_omp_for_incr_expr): Likewise.
11982         * gimplify.c (gimplify_expr): Likewise.
11983         * c-typeck.c (c_finish_return): Likewise.
11984         * tree-vectorizer.c (supportable_widening_operation)
11985         (supportable_narrowing_operation): Likewise.
11986         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
11987         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
11988         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11989         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
11990         (descr_info_loc): Likewise.
11991         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
11992         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
11993         (fold_unary): Likewise.
11994         * builtins.c (get_pointer_alignment): Likewise.
11995         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
11996         (instantiate_parameters_1): Likewise.
11997         * tree.c (expr_align, stabilize_reference): Likewise.
11998         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
11999         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
12000         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
12001         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
12002         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
12003         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
12004         Likewise.
12005         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
12006         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
12007         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
12008         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
12009         (forward_propagate_comparison)
12010         (tree_ssa_forward_propagate_single_use_vars): Likewise.
12011         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
12012         * emit-rtl.c (component_ref_for_mem_expr)
12013         (set_mem_attributes_minus_bitpos): Likewise.
12014         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
12015         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
12016         Likewise.
12017         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
12018         (build_function_call, pointer_diff, build_compound_expr)
12019         (c_finish_return): Likewise.
12020         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
12021         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
12022         Likewise.
12023         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
12024         * expr.c (is_aligning_offset): Likewise.
12025         * tree-ssa-alias.c (is_escape_site): Likewise.
12026         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
12027         (check_all_va_list_escapes): Likewise.
12028         * tree-ssa-loop-ivopts.c (determine_base_object)
12029         (determine_common_wider_type): Likewise.
12030         * dojump.c (do_jump): Likewise.
12031         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
12032         * tree-gimple.c (is_gimple_cast): Likewise.
12033         * fold-const.c (decode_field_reference, )
12034         (fold_sign_changed_comparison, fold_unary, fold_comparison)
12035         (fold_binary): Likewise.
12036         * tree-ssa-alias-warnings.c (find_alias_site_helper)
12037         (already_warned_in_frontend_p): Likewise.
12038         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
12039         * tree.c (really_constant_p, get_unwidened): Likewise.
12040         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
12041         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
12042         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
12043         Likewise.
12044         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
12045         CONVERT_EXPR_P.
12046         (CONVERT_EXPR_P): Define.
12047         (CASE_CONVERT): Define.
12048
12049 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
12050
12051         PR middle-end/36117
12052         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
12053         (delete_unmarked_insns): When deleting a call, call
12054         delete_unreachable_blocks.
12055         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
12056         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
12057
12058 2008-05-08  Richard Guenther  <rguenther@suse.de>
12059
12060         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
12061         (-ftree-salias): Likewise.
12062         (salias-max-implicit-fields): Remove param documentation.
12063         (salias-max-array-elements): Likewise.
12064         * tree-pass.h (pass_create_structure_vars): Remove.
12065         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
12066         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
12067         * tree-ssa-alias.c (create_structure_vars): Remove.
12068         (gate_structure_vars): Likewise.
12069         (pass_create_structure_vars): Likewise.
12070         (gate_build_alias): Likewise.
12071         (pass_build_alias): Adjust to run always and dump the function.
12072         * common.opt (ftree-salias): Hide.
12073         * passes.c (init_optimization_passes): Remove
12074         pass_create_structure_vars, adjust comment.
12075         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
12076         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
12077         * opts.c (decode_options): Do not set flag_tree_salias.
12078         (common_handle_option): Add OPT_ftree_salias to the backward
12079         compatibility section.
12080
12081 2008-05-08  Richard Guenther  <rguenther@suse.de>
12082
12083         * tree-flow-inline.h (var_can_have_subvars): Move ...
12084         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
12085         * tree-flow.h (var_can_have_subvars): Remove.
12086         (push_fields_onto_fieldstack): Remove.
12087         (sort_fieldstack): Likewise.
12088         (struct fieldoff): Move ...
12089         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
12090         alias_set and base_for_components fields.
12091         (sort_fieldstack): Make static.
12092         (push_fields_onto_fieldstack): Likewise.  Remove code that
12093         handles anything but RECORD_TYPEs.  Remove alias_set and
12094         base_for_components handling.
12095         (create_variable_info_for): Adjust.
12096
12097 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
12098
12099         * common.opt (Wframe-larger-than=): Shorten the help message
12100         to one line.
12101         * doc/invoke.texi (Wframe-larger-than=): Add more description.
12102
12103 2008-05-08  Rafael Espindola  <espindola@google.com>
12104
12105         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
12106         trap.
12107         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
12108         trap and that both operands are gimple values.
12109         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
12110         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
12111         is a fp operation.
12112
12113 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
12114
12115         * read-rtl.c (join_c_conditions): Return the first string if the
12116         two strings are equal.
12117
12118 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
12119
12120         * gensupport.h (pred_data): Add a "num_codes" field.
12121         (add_predicate_code): Declare.
12122         * gensupport.c (add_predicate_code): New function.
12123         (std_pred_table): Add an "allows_const_p" field.
12124         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
12125         Remove the (incomplete) list of such codes from the codes field.
12126         (init_predicate_table): Use add_predicate_code.  Add all
12127         RTX_CONST_OBJs if allows_const_p is true.
12128         * genrecog.c (process_define_predicate): Use add_predicate_code.
12129
12130 2008-05-08  David Daney  <ddaney@avtrex.com>
12131             Richard Sandiford  <rsandifo@nildram.co.uk>
12132
12133         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
12134         special case of constant zero operands.
12135         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
12136         old and new values.  Special case constant zero values.
12137         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
12138         fails.
12139         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
12140         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
12141
12142 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
12143
12144         PR target/36090
12145         * simplify-rtx.c (simplify_plus_minus): Create CONST of
12146         similar RTX_CONST_OBJ before CONST_INT.
12147
12148 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
12149
12150         * stmt.c (expand_stack_restore): Change sa mode if needed.
12151
12152 2008-05-08  Richard Guenther  <rguenther@suse.de>
12153
12154         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
12155         return type to bool.
12156         (ix86_sol10_return_in_memory): Likewise.
12157         (ix86_i386elf_return_in_memory): Likewise.
12158         (ix86_i386interix_return_in_memory): Likewise.
12159         * config/i386/i386.c (ix86_return_in_memory): Likewise.
12160         (ix86_sol10_return_in_memory): Likewise.
12161         (ix86_i386elf_return_in_memory): Likewise.
12162         (ix86_i386interix_return_in_memory): Likewise.
12163
12164 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
12165
12166         PR bootstrap/36180
12167         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
12168         fndecl argument.
12169         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
12170         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
12171         declared in front.
12172
12173 2008-05-08  Richard Guenther  <rguenther@suse.de>
12174
12175         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
12176         * tree-data-ref.h (struct dr_alias): Remove subvars field.
12177         (DR_SUBVARS): Remove.
12178         * tree-dfa.c (dump_subvars_for): Remove.
12179         (debug_subvars_for): Likewise.
12180         (dump_variable): Do not dump subvars.
12181         (remove_referenced_var): Do not remove subvars.
12182         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
12183         (lookup_subvars_for_var): Remove.
12184         (get_subvars_for_var): Likewise.
12185         (get_subvars_at): Likewise.
12186         (get_first_overlapping_subvar): Likewise.
12187         (overlap_subvar): Likewise.
12188         * tree-flow.h (subvar_t): Remove.
12189         (struct var_ann_d): Remove subvars field.
12190         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
12191         argument.  Remove special handling of SFTs.
12192         (compute_tag_properties): Likewise.
12193         (set_initial_properties): Likewise.
12194         (compute_call_clobbered): Likewise.
12195         (count_mem_refs): Likewise.
12196         (compute_memory_partitions): Likewise.
12197         (compute_flow_insensitive_aliasing): Likewise.
12198         (setup_pointers_and_addressables): Likewise.
12199         (new_type_alias): Likewise.
12200         (struct used_part): Remove.
12201         (used_portions): Likewise.
12202         (struct used_part_map): Likewise.
12203         (used_part_map_eq): Likewise.
12204         (used_part_map_hash): Likewise.
12205         (free_used_part_map): Likewise.
12206         (up_lookup): Likewise.
12207         (up_insert): Likewise.
12208         (get_or_create_used_part_for): Likewise.
12209         (create_sft): Likewise.
12210         (create_overlap_variables_for): Likewise.
12211         (find_used_portions): Likewise.
12212         (create_structure_vars): Likewise.
12213         * tree.def (STRUCT_FIELD_TAG): Remove.
12214         * tree.h (MTAG_P): Adjust.
12215         (struct tree_memory_tag): Remove base_for_components and
12216         unpartitionable flags.
12217         (struct tree_struct_field_tag): Remove.
12218         (SFT_PARENT_VAR): Likewise.
12219         (SFT_OFFSET): Likewise.
12220         (SFT_SIZE): Likewise.
12221         (SFT_NONADDRESSABLE_P): Likewise.
12222         (SFT_ALIAS_SET): Likewise.
12223         (SFT_UNPARTITIONABLE_P): Likewise.
12224         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
12225         (union tree_node): Remove sft field.
12226         * alias.c (get_alias_set): Remove special handling of SFTs.
12227         * print-tree.c (print_node): Remove handling of SFTs.
12228         * tree-dump.c (dequeue_and_dump): Likewise.
12229         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
12230         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
12231         * tree-predcom.c (set_alias_info): Do not set subvars.
12232         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
12233         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
12234         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
12235         (add_vars_for_offset): Remove.
12236         (add_virtual_operand): Remove special handling of SFTs.
12237         (add_call_clobber_ops): Likewise.
12238         (add_call_read_ops): Likewise.
12239         (get_asm_expr_operands): Likewise.
12240         (get_modify_stmt_operands): Likewise.
12241         (get_expr_operands): Likewise.
12242         (add_to_addressable_set): Likewise.
12243         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
12244         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
12245         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
12246         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
12247         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
12248         (tree_node_structure): Likewise.
12249         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
12250         handling of SFTs.
12251         (find_what_p_points_to): Likewise.
12252
12253 2008-05-08  Sa Liu  <saliu@de.ibm.com>
12254
12255         * config/spu/spu.md: Fixed subti3 pattern.
12256
12257 2008-05-08  Richard Guenther  <rguenther@suse.de>
12258
12259         PR middle-end/36154
12260         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
12261         sure to create a representative for trailing arrays for PTA.
12262
12263 2008-05-08  Richard Guenther  <rguenther@suse.de>
12264
12265         PR middle-end/36172
12266         * fold-const.c (operand_equal_p): Two objects which types
12267         differ in pointerness are not equal.
12268
12269 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
12270
12271         * calls.c (compute_argument_block_size): Add argument tree fndecl.
12272         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
12273         (emit_library_call_value_1): Add new variable fndecl initialized by
12274         NULL_TREE. It should be the decl type of orgfun, but this information
12275         seems not to be available here, so it uses the default calling abi.
12276         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
12277         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
12278         by TARGET_RETURN_IN_MEMORY.
12279         * config/i386/i386-interix.h: Likewise.
12280         * config/i386/i386.h: Likewise.
12281         * config/i386/i386elf.h: Likewise.
12282         * config/i386/ptx4-i.h: Likewise.
12283         * config/i386/sol2-10.h: Likewise.
12284         * config/i386/sysv4.h: Likewise.
12285         * config/i386/vx-common.h: Likewise.
12286         * config/cris/cris.h: Removed #if 0 clause.
12287         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
12288         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
12289         argument.
12290         (ix86_sol10_return_in_memory): Likewise.
12291         (ix86_i386elf_return_in_memory): New.
12292         (ix86_i386interix_return_in_memory): New.
12293         * config/mt/mt-protos.h (mt_return_in_memory): New.
12294         * config/mt/mt.c: Likewise.
12295         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
12296         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
12297         * config/bfin/bfin.h: Likewise.
12298         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
12299         argument.
12300         * config/bfin/bfin.c: Likewise.
12301         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
12302         * config/alpha/unicosmk.h: Likewise.
12303         * config/i386/cygming.h: Likewise.
12304         * config/iq2000/iq2000.h: Likewise.
12305         * config/mips/mips.h: Likewise.
12306         * config/mn10300/mn10300.h: Likewise.
12307         * config/rs6000/rs6000.h: Likewise.
12308         * config/score/score.h: Likewise.
12309         * config/spu/spu.h: Likewise.
12310         * config/v850/v850.h: Likewise.
12311         * defaults.h: Likewise.
12312         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
12313         * expr.c (emit_block_move): Adjust use of
12314         OUTGOING_REG_PARM_STACK_SPACE.
12315         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
12316         OUTGOING_REG_PARM_STACK_SPACE.
12317         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
12318
12319 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
12320
12321         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
12322         on OMP_RETURN for OMP_FOR.
12323
12324         PR debug/35896
12325         * dwarf2out.c (dw_expand_expr, common_check): Removed.
12326         (fortran_common): New function.
12327         (gen_variable_die): Call fortran_common instead of common_check,
12328         adjust for it returning tree instead of rtx.  Formatting.
12329
12330 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
12331
12332         PR rtl/7335
12333         PR rtl/33826
12334         * see.c (see_copy_insn): Copy new pure const attributes for new call.
12335         * c-decl.c (merge_decls): Ditto.
12336         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
12337         to RTL_CONST_OR_PURE_CALL_P.
12338         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
12339         Initialized DECL_LOOPING_CONST_PURE.
12340         (process_call_operands): Set tree_side_effects properly.
12341         * tree.h (TREE_READONLY_DECL_P): Removed.
12342         (DECL_IS_PURE): Renamed to DECL_PURE_P.
12343         (DECL_LOOPING_OR_CONST_P): New macro.
12344         (struct tree_function_decl): Added looping_const_or_pure_p.
12345         (ECF_*) Renumbered.
12346         (ECF_LOOPING_OR_CONST_P): New macro.
12347         * rtlanal.c (pure_const_p): Removed.
12348         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
12349         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
12350         to RTL_CONST_CALL_P.
12351         * ipa-pure-const.c (pure_const_state_e): Added looping field.
12352         (check_decl, check_tree, check_call, scan_function): Initialize
12353         looping.
12354         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
12355         (static_execute): Set looping true for recursive functions.
12356         Undo setting state to IPA_NEITHER for recursive functions.
12357         * cse.c (cse_insn):
12358         * ifcvt.c (noce_can_store_speculate_p): Changed
12359         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
12360         RTL_CONST_OR_PURE_CALL_P.
12361         * dse.c (scan_insn): Ditto.
12362         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
12363         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
12364         RTL_CONST_OR_PURE_CALL_P.
12365         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
12366         pure_call_p to RTL_CONST_CALL_P.
12367         * gimplify.c (gimplify_call_expr): Clear side effects for
12368         non-looping pure and constant calls.
12369         * calls.c (emit_call_1): Set rtl flags from ecf flags.
12370         (flags_from_decl_or_type): Set ecf flags from decl flags.
12371         (initialize_argument_information): Turn off
12372         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
12373         Change const to pure if callee_copies is true rather than just
12374         turning off const.
12375         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
12376         way of marking pure calls.
12377         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
12378         Remove hack that was supposed to fix pr7335 and remove old
12379         way of marking pure calls.
12380         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
12381         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
12382         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
12383         RTL_CONST_OR_PURE_CALL_P.
12384         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
12385         * loop-invariant.c (find_exits, find_invariant_bb): Changed
12386         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
12387         * sched-deps.c (schedule_analyze): Ditto.
12388         * rtl.h (struct rtx_def): Use call field, unchanging field, and
12389         return_val field of calls to represent pure and const function info.
12390         (CONST_OR_PURE_CALL_P): Deleted macro.
12391         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
12392         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
12393         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
12394         TREE_READONLY.
12395         * tree-optimize.c (execute_fixup_cfg): Added test for
12396         ECF_LOOPING_CONST_OR_PURE.
12397         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
12398         DECL_PURE_P.
12399         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
12400         effects for looping pure or const calls.
12401         (verify_gimple_expr): Added verification code.
12402         * config/alpha/alpha.c (alpha_legitimize_address,
12403         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
12404         RTL_CONST_CALL_P.
12405         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
12406         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
12407         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
12408         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
12409         RTL_CONST_OR_PURE_CALL_P.
12410         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
12411         and const calls to be deleted.
12412
12413 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
12414
12415         PR target/35714
12416         * config/i386/mmx.md (mmx_subv2sf3): New expander.
12417         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
12418         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
12419         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12420         to handle nonimmediate operands.
12421         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
12422         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
12423         to handle nonimmediate operands.
12424         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
12425         (mmx_pmulhrwv4hi3): New expander.  Use
12426         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12427         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
12428         (sse2_umulv1siv1di3): New expander.  Use
12429         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12430         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
12431         (mmx_eq<mode>3): New expander.  Use
12432         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12433         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
12434         (mmx_uavgv8qi3): New expander.  Use
12435         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12436         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
12437         (mmx_uavgv4hi3): New expander.  Use
12438         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12439
12440         * config/i386/sse.md
12441         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
12442         to handle nonimmediate operands.
12443         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
12444         to handle nonimmediate operands.
12445         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
12446         to handle nonimmediate operands.
12447         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
12448         to handle nonimmediate operands.
12449         (sse2_unpckhpd_exp): New expander.  Use
12450         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12451         (sse2_unpcklpd_exp): New expander.  Use
12452         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12453         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
12454         to handle nonimmediate operands.
12455         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
12456         to handle nonimmediate operands.
12457         (*sse2_<plusminus_insn><mode>3): Rename from
12458         sse2_<plusminus_insn><mode>3 insn pattern.
12459         (sse2_<plusminus_insn><mode>3): New expander.  Use
12460         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12461         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
12462         (sse2_umulv2siv2di3): New expander.  Use
12463         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12464         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
12465         (sse4_1_mulv2siv2di3): New expander.  Use
12466         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12467         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
12468         (sse2_pmaddwd): New expander.  Use
12469         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12470         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
12471         (sse2_eq<mode>3): New expander.  Use
12472         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12473         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
12474         (sse4_1_eqv2di3): New expander.  Use
12475         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12476         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
12477         (sse2_uavgv16qi3): New expander.  Use
12478         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12479         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
12480         (sse2_uavgv16qi3): New expander.  Use
12481         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12482         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
12483         (sse2_uavgv8hi3): New expander.  Use
12484         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12485         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
12486         (ssse3_pmulhrswv8hi3): New expander.  Use
12487         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12488         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
12489         (ssse3_pmulhrswv4hi3): New expander.  Use
12490         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12491
12492         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
12493         (<sse>_vmmul<mode>3): Ditto.
12494         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
12495         (divv2df3): Ditto.
12496         (ssse3_pmaddubsw128): Use register_operand for operand 1.
12497         (ssse3_pmaddubsw): Ditto.
12498
12499         * config/i386/i386.c (struct_builtin_description)
12500         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
12501         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
12502         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
12503         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
12504         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
12505         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
12506         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
12507         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
12508         (ix86_fixup_binary_operands): Assert that src1
12509         and src2 must have the same mode when swapped.
12510         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
12511         and ix86_binary_operator_ok.  Do not force operands in registers
12512         when optimizing.
12513
12514 2008-05-07  Jan Hubicka  <jh@suse.cz>
12515
12516         * cgraph.c (dump_cgraph_node): Update.
12517         * cgraph.h (cgraph_local_info): Break out inline summary.
12518         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
12519         hook.
12520         * ipa-inline (inline_summary): New accestor function.
12521         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
12522         cgraph_decide_inlining, compute_inline_parameters): Update.
12523         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
12524
12525 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
12526
12527         Cleanup ColdFire scheduling support and add V4 pipeline model.
12528
12529         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
12530         (define_attr cpu): Add cfv4 value.
12531         (define_attr type, define_attr type1): Merge into a single 'type'
12532         attribute.  Update all uses.
12533         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
12534         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
12535         Update all uses.
12536         (define_attr opx_mem, define_attr opy_mem): Remove.
12537         (define_attr op_mem): Clean up, update comment.
12538         (define_attr size): Use specific values instead of general int.
12539         (define_attr guess, define_attr split): Remove.  Update all uses.
12540         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
12541         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
12542         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
12543         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
12544         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
12545         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
12546         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
12547         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
12548         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
12549         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
12550         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
12551         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
12552         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
12553         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
12554         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
12555         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
12556         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
12557         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
12558         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
12559         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
12560         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
12561         Update or set attributes.
12562         (stack_tie): New fake instruction.
12563
12564         * config/m68k/m68k.h (TUNE_CFV4): New macro.
12565         (m68k_sched_attr_size): Update declaration.
12566         (m68k_sched_attr_type2): Remove.
12567         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
12568         Declare new bypass predicates.
12569
12570         * config/m68k/m68k.c (m68k_sched_issue_rate,
12571         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
12572         implementations.
12573         (TARGET_SCHED_ISSUE_RATE,
12574         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
12575         (override_options): Handle scheduling for ColdFire V4 core.
12576         (m68k_expand_prologue): Emit stack_tie.
12577         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
12578         'OP_TYPE_FPN'.  Update all uses.
12579         (sched_guess_p): Remove.
12580         (sched_address_type): Handle symbolic addresses.
12581         (sched_get_operand): New static function.
12582         (sched_operand_type): Merge into sched_attr_op_type.
12583         (sched_attr_op_type): Handle FP registers, handle quick constants,
12584         update.
12585         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
12586         (m68k_sched_attr_size): Update.  Move logic to ...
12587         (sched_get_attr_size_int): New static function.
12588         (sched_get_opxy_mem_type): New static function.
12589         (m68k_sched_attr_op_mem): Update.
12590         (m68k_sched_attr_type2): Remove.
12591         (sched_cfv4_bypass_data): New static variable.
12592         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
12593         (m68k_sched_issue_rate): Implement scheduler hook.
12594         (struct _sched_ib: enabled_p): New field.
12595         (m68k_sched_variable_issue): Update.  Handle V4.
12596         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
12597         sched_dump_class_func_t, sched_dump_split_class,
12598         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
12599         sched_dump_dfa_class, m68k_sched_dump): Remove.
12600         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
12601         hook.
12602         (m68k_sched_init_global): Remove statisctics dumping, introduce
12603         sanity check that all instructions have pipeline reservations.  Handle
12604         ColdFire V4 core.
12605         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
12606         Handle ColdFire V4 core.
12607         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
12608         New static functions.
12609         (m68k_sched_address_bypass_p): New bypass predicate.
12610         (sched_get_indexed_address_scale): New static function.
12611         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
12612
12613         * cf.md: Update comments.
12614         (define_attr type2): Remove.  Use 'type' attribute instead.
12615         Update all uses.
12616         (cf_ib): Rename to cfv123_ib.  Update all uses.
12617         (cf_oep): Rename to cfv123_oep.  Update all uses.
12618         (cf_chr): Rename to cfv123_chr.  Update all uses.
12619         (cf_mem): Rename to cfv123_mem.  Update all uses.
12620         (cf_mac): Move to more appropriate place.
12621         (cfv123_guess): New automaton and cpu_unit.
12622         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
12623         Update uses of 'size' attribute.  Handle before reload scheduling.
12624         (cfv123_guess): New dummy reservation for unhandled instructions.
12625         (cfv4_*): Pipeline description of ColdFire V4 core.
12626         (ignore): New reservation to handle 'ignore' type.
12627
12628 2008-05-07  Ian Lance Taylor  <iant@google.com>
12629
12630         PR middle-end/36013
12631         * gimplify.c (find_single_pointer_decl_1): Don't look through
12632         indirections.
12633         (find_single_pointer_decl): Adjust comments.
12634
12635 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
12636
12637         PR middle-end/36137
12638         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
12639         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
12640
12641         PR middle-end/36106
12642         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
12643         integral type rather than floating point, then VIEW_CONVERT_EXPR
12644         to the floating point type.
12645
12646 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
12647
12648         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
12649         TFmode op0 to register.
12650
12651 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
12652
12653         * c-decl.c (grokdeclarator): Comment typo.
12654
12655 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
12656
12657         * tree-flow.h: Remove prototype for computed_goto_p.
12658         * tree-cfg.c (computed_goto_p): Make static.
12659
12660 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12661
12662         PR target/35657
12663         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
12664         (contains_aligned_value_p): This.  Handle _Decimal128.
12665         (ix86_function_arg_boundary): Only align _Decimal128 to its
12666         natural boundary and handle it properly.
12667
12668 2008-05-06  Martin Jambor  <mjambor@suse.cz>
12669
12670         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
12671         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
12672         (ipcp_method_set_orig_node): Removed.
12673         (ipcp_cval_get_cvalue_type): Removed.
12674         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
12675         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
12676         (ipcp_cval_set_cvalue_type): Removed.
12677         (ipcp_cval_get_cvalue): Removed.
12678         (ipcp_cval_set_cvalue): Removed.
12679         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
12680         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
12681         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
12682         (ipcp_cval_meet): Renamed to ipa_lattice_meet
12683         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
12684         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
12685         (ipcp_get_ith_lattice): Changed parameters.
12686         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
12687         (ipcp_lattice_from_jfunc): Changed parameters.
12688         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
12689         (ipcp_method_cval_print): Added temporary variable info.
12690         (ipcp_redirect): Removed already unused local variable caller.
12691         (ipcp_redirect): New temporary variable orig_callee_info
12692         (ipcp_redirect): Removed newly unused local variable callee.
12693         (ipcp_redirect): Removed (a bit confusing) local variable type.
12694         (ipcp_insert_stage): Added local variable info.
12695         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
12696         renamed too
12697         (ipcp_formal_create): Removed.
12698         (ipcp_method_cval_set): Removed.
12699         (ipcp_propagate_stage): Renamed lattice variables.
12700         (ipcp_method_cval_set_cvalue_type): Removed.
12701         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
12702         (ipcp_print_all_lattices): Changed printed strings to refer to
12703         lattices rather than cvals.
12704         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
12705         (ipcp_propagate_const): Changed formal parameters.
12706         (build_const_val): Changed formal parameters.
12707         (ipcp_insert_stage): Removed useless variable cvalue
12708         (build_const_val): Changed formal parameters.
12709         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
12710         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
12711         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
12712         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
12713         (ipcp_print_func_profile_counts): Changed string from "method" to
12714         "function"
12715         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
12716         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
12717         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
12718         (ipcp_structures_print): Renamed to ipcp_print_all_structures
12719         (ipcp_profile_print): Renamed to ipcp_print_profile_data
12720         (ipcp_lat_is_const): Changed parameters and made inline.
12721         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
12722         (ipcp_redirect): Renamed to ipcp_need_redirect_p
12723         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
12724         the predicate condition directly
12725         (ipcp_propagate_stage): Added local variable args. Removed local
12726         variable callee.  (Both are mere code simplifications.)
12727         (ipcp_method_dont_insert_const): Renamed to
12728         ipcp_node_not_modifiable_p.
12729         (ipcp_node_not_modifiable_p): Made inline.
12730         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
12731         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
12732         (ipcp_print_all_lattices): Removed variable cvalue
12733         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
12734         Updated comments.
12735
12736 2008-05-06  Olivier Hainque  <hainque@adacore.com>
12737
12738         * tree-sra.c (try_instantiate_multiple_fields): Early return
12739         if field has POINTER_TYPE.
12740
12741 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
12742
12743         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
12744         by using 'q' specifier for instruction.
12745         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
12746
12747 2008-05-06  Anatoly Sokolov <aesok@post.ru>
12748
12749         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
12750         Change mode of zero_extract from QImode to HImode.
12751         (sign bit tests peepholes): (Ditto.).
12752
12753 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
12754
12755         * config/i386/mmx.md: Remove double backslashes from asm templates.
12756         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
12757         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12758         to handle nonimmediate operands.
12759         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
12760         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12761         to handle nonimmediate operands.
12762         (*mmx_<code>v2sf3_finite): New insn pattern.
12763         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
12764         (mmx_<code>v2sf3): New expander.  Use
12765         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12766         (mmx_<plusminus_insn><mode>3): New expander.  Use
12767         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12768         (*mmx_<plusminus_insn><mode>3): New insn pattern.
12769         (mmx_add<mode>3): Removed.
12770         (mmx_ssadd<mode>3): Ditto.
12771         (mmx_usadd<mode>3): Ditto.
12772         (mmx_sub<mode>3): Ditto.
12773         (mmx_sssub<mode>3): Ditto.
12774         (mmx_ussub<mode>3): Ditto.
12775         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
12776         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
12777         to handle nonimmediate operands.
12778         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
12779         insn pattern.
12780         (mmx_smulv4hi3_highpart): New expander.  Use
12781         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12782         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
12783         insn pattern.
12784         (mmx_umulv4hi3_highpart): New expander.  Use
12785         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12786         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
12787         (mmx_<code>v4hi3): New expander.  Use
12788         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12789         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
12790         (mmx_<code>v8qi3): New expander.  Use
12791         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12792         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
12793         (mmx_<code><mode>3): New expander.  Use
12794         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12795
12796 2008-05-05  Jan Hubicka  <jh@suse.cz>
12797
12798         PR tree-optimization/36118
12799         * passes.c (pass_init_dump_file): Fix dump header.
12800
12801 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12802
12803         PR middle-end/36141
12804         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
12805         VCE for function decls.
12806
12807 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12808
12809         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
12810
12811 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12812
12813         * config/i386/i386.md (sat_plusminus): New.
12814         (plusminus_insn): Likewise.
12815         (plusminus_mnemonic): Likewise.
12816         (addsub): Removed.
12817         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
12818         (*<addsub><mode>3_cc_overflow): Renamed to ...
12819         (*<plusminus_insn><mode>3_cc_overflow): This.
12820         (*<addsub>si3_zext_cc_overflow): Renamed to ...
12821         (*<plusminus_insn>si3_zext_cc_overflow): This.
12822
12823         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
12824         (<plusminus_insn><mode>3): This.
12825         (*<addsub><mode>3): Renamed to ...
12826         (*<plusminus_insn><mode>3): This.
12827         (<sse>_vm<addsub><mode>3): Renamed to ...
12828         (<sse>_vm<plusminus_insn><mode>3): This.
12829         (sse3_h<addsub>v4sf3): Renamed to ...
12830         (sse3_h<plusminus_insn>v4sf3): This.
12831         (sse3_h<addsub>v2df3): Renamed to ...
12832         (sse3_h<plusminus_insn>v2df3): This.
12833         (<plusminus_insn><mode>3): New.
12834         (*<plusminus_insn><mode>3): Likewise.
12835         (sse2_<plusminus_insn><mode>3): Likewise.
12836         (add<mode>): Removed.
12837         (*add<mode>3): Likewise.
12838         (sse2_ssadd<mode>3): Likewise.
12839         (sse2_usadd<mode>3): Likewise.
12840         (sub<mode>3): Likewise.
12841         (*sub<mode>3): Likewise.
12842         (sse2_sssub<mode>3): Likewise.
12843         (sse2_ussub<mode>3): Likewise.
12844
12845 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
12846
12847         * gthr-single.h: Add in required interface elements as per gthr.h.
12848         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
12849         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
12850         Generalize UNUSED macro.
12851         (__gthread_once): Add.
12852         (__gthread_key_create): Add.
12853         (__gthread_key_delete): Add.
12854         (__gthread_getspecific): Add.
12855         (__gthread_setspecific): Add.
12856
12857 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
12858
12859         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
12860         the same size types for the indirect reference on the rhs, then
12861         create a VCE.
12862
12863 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
12864
12865         * config/i386/i386.md
12866         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
12867         one insn template instead of template series.
12868         (*xordi_1_rex64): Ditto.
12869         (*xordi_2_rex64): Ditto.
12870
12871 2008-05-05  Ira Rosen  <irar@il.ibm.com>
12872
12873         PR tree-optimization/36119
12874         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
12875         in case of SLP.
12876
12877 2008-06-04  Jan Hubicka  <jh@suse.cz>
12878
12879         tree-optimization/36100
12880         * tree-pass.h (pass_O0_always_inline): Declare.
12881         * ipa-inline.c (inline_transform): Remove dead code.
12882         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
12883         pass_O0_always_inline): New.
12884         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
12885
12886 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
12887
12888         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
12889         mnemonic in this_param move for TARGET_64BIT.
12890
12891 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
12892
12893         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
12894         (*strmovsi_rex_1): Ditto.
12895         (*strsetsi_1): Ditto.
12896         (*strsetsi_rex_1): Ditto.
12897
12898         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
12899         adddicc expanders using SWI mode iterator.
12900
12901 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
12902
12903         PR target/36121
12904         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
12905         argument handling.
12906
12907 2008-05-04  David S. Miller  <davem@davemloft.net>
12908
12909         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
12910         (sparc*-*-linux*): Use linux.h in tm_file.
12911         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
12912         compiler defaulting to 32-bit.
12913         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
12914         no longer needed.
12915         * config/sparc/linux.h: Remove definitions now obtained
12916         properly from linux.h
12917         * config/sparc/linux64.h: Likewise.
12918         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
12919         don't want this setting for 32-bit builds in a biarch compiler.
12920         * doc/install.texi: Add sparc-linux to list of targets
12921         supporting --enable-targets=all.
12922
12923 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
12924
12925         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
12926
12927 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
12928
12929         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
12930         after V4SI_FTYPE_V8HI.
12931         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
12932         case V4SI_FTYPE_V2DF.
12933
12934 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
12935
12936         * doc/invoke.texi (max-flow-memory-locations): Removed.
12937         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
12938
12939 2008-05-03  Richard Guenther  <rguenther@suse.de>
12940
12941         PR middle-end/34973
12942         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
12943
12944 2008-05-02  David S. Miller  <davem@davemloft.net>
12945
12946         * config.gcc (need_64bit_hwint): Document libcpp dependency.
12947
12948 2008-05-02  Simon Baldwin <simonb@google.com>
12949
12950         PR bootstrap/36108
12951         * c-common.h (warn_array_subscript_range): Removed.
12952         * c-common.c (warn_array_subscript_range): Ditto.
12953         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
12954         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
12955
12956 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12957
12958         * config/i386/i386.c (ix86_special_builtin_type): New.
12959         (bdesc_special_args): Likewise.
12960         (ix86_expand_special_args_builtin): Likewise.
12961         (ix86_init_mmx_sse_builtins): Updated.
12962         (ix86_expand_builtin): Updated.
12963         (ix86_expand_store_builtin): Removed.
12964         (ix86_expand_unop_builtin): Likewise.
12965
12966         * config/i386/mm3dnow.h (__v2sf): Moved to ...
12967         * config/i386/mmintrin.h (__v2sf): Here.
12968
12969         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
12970         const __v2sf.
12971         (_mm_loadl_pi): Likewise.
12972         (_mm_storeh_pi): Replace __v2si with __v2sf.
12973         (_mm_storel_pi): Likewise.
12974
12975         * doc/extend.texi: Correct __builtin_ia32_loadhps,
12976         __builtin_ia32_loadlps, __builtin_ia32_storehps,
12977         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
12978         __builtin_ia32_loadlpd.
12979
12980 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12981
12982         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
12983         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
12984         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
12985         (ix86_init_mmx_sse_builtins): Updated.
12986         (ix86_expand_args_builtin): Likewise.
12987         (ix86_expand_builtin): Likewise.
12988         (ix86_expand_unop1_builtin): Renamed to ...
12989         (ix86_expand_unop_vec_merge_builtin): This.
12990
12991 2008-05-01  Jan Hubicka  <jh@suse.cz>
12992
12993         PR bootstrap/36100
12994         * ipa-inline.c (inline_generate_summary): Make static.
12995         (inline_transform): Do not call inlining at -O0; make static.
12996         * passes.c (execute_todo): Add sanity check.
12997         (execute_one_ipa_transform_pass): Execute proper flags.
12998
12999 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
13000
13001         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
13002         (DECL_NONADDRESSABLE_P): Likewise.
13003         * alias.c (record_component_aliases): Fix comment.
13004
13005 2008-05-01  Simon Baldwin <simonb@google.com>
13006
13007         * c-common.h (warn_array_subscript_range): New function.
13008         * c-common.c (warn_array_subscript_range): Ditto.
13009         * tree-vrp.c (check_array_ref): Corrected code to agree with
13010         comment, ignoring only arrays of size 0 or size 1.
13011         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
13012
13013 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13014
13015         * config/i386/i386.c (ix86_builtin_type): Replace
13016         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
13017         (bdesc_args): Updated.
13018         (ix86_init_mmx_sse_builtins): Likewise.
13019         (ix86_expand_args_builtin): Likewise.
13020
13021         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
13022         with __v1di.
13023
13024         * doc/extend.texi: Correct __builtin_ia32_palignr.
13025
13026 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13027
13028         PR target/36095
13029         * config/i386/i386.c (bdesc_crc32): Removed.
13030         (ix86_expand_crc32): Likewise.
13031         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
13032         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
13033         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
13034         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
13035         UINT_FTYPE_UINT_UCHAR.
13036         (bdesc_args): Updated. Add crc32 builtins.
13037         (ix86_init_mmx_sse_builtins): Updated.
13038         (ix86_expand_args_builtin): Updated to support subreg.
13039
13040         * doc/extend.texi: Correct __builtin_ia32_crc32di.
13041
13042 2008-05-01  Jan Hubicka  <jh@suse.cz>
13043
13044         * tree-pass.h (opt_pass): Add IPA_PASS.
13045         (varpool_node, cgraph_node): Forward declare.
13046         (ipa_opt_pass): Define.
13047         (pass_ipa_inline): Turn into ipa_opt_pass.
13048         (pass_apply_inline): Remove.
13049         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
13050         (apply_inline): Turn into ....
13051         (inline_transform): ... this one.
13052         (inline_generate_summary): New function.
13053         (pass_apply_inline): Remove.
13054         * function.h (ipa_opt_pass): Forward declare structure; typedef;
13055         vector.
13056         (struct function): Add ipa_transforms_to_apply.
13057         * passes.c (register_one_dump_file): Work on IPA_PASS.
13058         (init_optimization_passes): Remove pass_inline_parameters and
13059         pass_apply_inline.
13060         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
13061         (execute_one_pass) ... here; apply transforms when possible.
13062         (add_ipa_transform_pass, execute_ipa_summary_asses,
13063         execute_one_ipa_transform_pass): New.
13064         (execute_ipa_pass_list): Update for IPA_PASS type.
13065
13066 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13067
13068         * config/i386/i386.c (ix86_builtin_type): Add
13069         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
13070         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
13071         (bdesc_args): Add SSE4a builtins.
13072         (ix86_init_mmx_sse_builtins): Updated.
13073         (ix86_expand_args_builtin): Likewise.
13074         (ix86_expand_builtin): Likewise.
13075
13076 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13077
13078         * config/i386/i386.c (ix86_builtin_type): Add
13079         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
13080         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
13081         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
13082         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
13083         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
13084         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
13085         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
13086         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
13087         and DI_FTYPE_DI_DI_INT.
13088         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
13089         (ix86_init_mmx_sse_builtins): Updated.
13090         (ix86_expand_args_builtin): Likewise.
13091         (ix86_expand_builtin): Likewise.
13092         (ix86_expand_binop_imm_builtin): Removed.
13093
13094         * doc/extend.texi: Correct __builtin_ia32_palignr128.
13095
13096 2008-04-30  Richard Guenther  <rguenther@suse.de>
13097
13098         PR tree-optimization/32921
13099         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
13100
13101 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
13102
13103         * config/arm/arm.c (arm_unwind_emit): Use
13104         crtl->all_throwers_are_sibcalls instead of
13105         cfun->all_throwers_are_sibcalls.
13106         (arm_output_fn_unwind): Likewise.
13107         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
13108         instead of cfun->uses_pic_offset_table.
13109         (frv_expand_prologue): Likewise.
13110         (frv_frame_pointer_required): Likewise.
13111         (frv_expand_fdpic_call): Likewise.
13112         (frv_emit_movsi): Likewise.
13113         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
13114         cfun->returns_pcc_struct instead of
13115         current_function_returns_pcc_struct.
13116         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
13117         instead of cfun->calls_eh_return.
13118         (m32c_pushm_popm): Likewise.
13119         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
13120         "extern" declaration.
13121
13122 2008-04-30  Richard Guenther  <rguenther@suse.de>
13123
13124         PR tree-optimization/21636
13125         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
13126         constant address.
13127         (evaluate_stmt): Print the likely value.
13128         (ccp_visit_stmt): Avoid excessive vertical spacing.
13129
13130 2008-04-30  Rafael Espindola  <espindola@google.com>
13131
13132         * builtins.c (fold_call_expr): Return realret.
13133         * tree-ssa-threadedge.c
13134         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
13135         __builtin_object_size.
13136
13137 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
13138
13139         * gcc.c (wrapper_string): New variable.
13140         (insert_wrapper): New function.
13141         (execute): New option -wrapper.
13142         * doc/invoke.texi (Overall Options): New driver option -wrapper.
13143
13144 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
13145
13146         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
13147         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
13148         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
13149         from...
13150         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
13151         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
13152         config/rs6000/e500crtres64gprctr.asm,
13153         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
13154         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
13155         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
13156         config/rs6000/e500crtsav64gprctr.asm,
13157         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
13158         config/rs6000/e500crtsavg64gprctr.asm: New files.
13159         * config/rs6000/t-ppccomm: Add build rules for new files.
13160         (LIB2FUNCS_STATIC_EXTRA): Add new files.
13161         * config/rs6000/t-netbsd: Add build rules for new files.
13162         (LIB2FUNCS_STATIC_EXTRA): New variable.
13163         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
13164         (CRTSAVRES_DEFAULT_SPEC): Likewise.
13165         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
13166
13167 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
13168
13169         * config/i386/i386.c (ix86_builtin_type): Add
13170         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
13171         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
13172         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
13173         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
13174         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
13175         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
13176         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
13177         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
13178         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
13179         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
13180         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
13181         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
13182         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
13183         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
13184         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
13185         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
13186         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
13187         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
13188         V1DI_FTYPE_V2SI_V2SI.
13189         (bdesc_2arg): Moved to ...
13190         (bdesc_args): Here.
13191         (ix86_init_mmx_sse_builtins): Updated.
13192         (ix86_expand_args_builtin): Updated.  Take a pointer
13193         to const struct builtin_description.  Handle comparison
13194         builtin functions.
13195         (ix86_expand_sse_compare): Take a new argument for swapping operands.
13196         (ix86_expand_builtin): Updated.
13197
13198         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
13199         (ssse3_pmaddubsw128): This.
13200         (ssse3_pmaddubswv4hi3): Renamed to ...
13201         (ssse3_pmaddubsw): This.
13202
13203         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
13204         (__builtin_ia32_packssdw128): Likewise.
13205         (__builtin_ia32_packuswb128): Likewise.
13206         (__builtin_ia32_pmaddubsw): Likewise.
13207         (__builtin_ia32_pmaddubsw128): Likewise.
13208
13209 2008-04-30  Richard Guenther  <rguenther@suse.de>
13210
13211         PR tree-optimization/14847
13212         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
13213         (recognize_bits_test): Use it.
13214         (recognize_single_bit_test): Likewise.
13215
13216 2008-04-30  Martin Jambor  <mjambor@suse.cz>
13217
13218         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
13219         instead of setting number of formal parameters to zero.
13220         (ipcp_init_stage): Do not set the number of actual parameters to zero
13221         either.
13222         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
13223         which are called with variable number of arguments.
13224         (ipcp_insert_stage): Explicitely skipping all nodes which are
13225         called with variable number of arguments.
13226         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
13227         number of parameters.
13228
13229         * ipa-prop.h (struct ipa_node_params): Added flag
13230         called_with_var_arguments
13231         (ipa_set_param_count): Added.  Changed sole setter to use it.
13232         (ipa_get_param_count): Added.  All readers of param_count
13233         converted to use it instead.
13234         (ipa_set_called_with_variable_arg): Added.
13235         (ipa_is_called_with_var_arguments): Added.
13236         (ipa_get_ith_param): Added.  All readers of param_decls converted
13237         to use it instead.
13238         (ipa_set_cs_argument_count): Added, sole writer to argument_count
13239         changed to use it.
13240         (ipa_get_cs_argument_count): Added, all readers of argument_count
13241         changed to cal it.
13242         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
13243         to use it.
13244
13245         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
13246         (struct ipcp_lattice): Renamed cval_type to type
13247         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
13248
13249         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
13250         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
13251         (ipcp_insert_stage): Changed the type of variable cvalue to tree
13252         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
13253         (build_const_val): Changed the type of parameter cvalue to tree
13254         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
13255         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
13256
13257         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
13258         constant
13259
13260         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
13261         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
13262         (ipa_add_method): Renamed to ipa_push_func_to_list
13263         (ipa_remove_method): Renamed to ipa_pop_func_from_list
13264         (ipa_callsite_param_count): Removed.
13265         (ipa_callsite_param_count_set): Removed.
13266         (ipa_callsite_param): Removed.
13267         (ipa_callsite_callee): Removed.
13268         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
13269         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
13270         (ipa_method_formal_count): Removed.
13271         (ipa_method_formal_count_set): Removed.
13272         (ipa_method_get_tree): Removed.
13273         (ipa_method_tree_map_create): Removed.
13274         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
13275         (ipa_create_param_decls_array): Creates the array itself
13276         (ipa_create_param_decls_array): Temporary variable info instead of
13277         a few dereferences.
13278         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
13279         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
13280         (get_type): Removed.
13281         (ipa_jf_get_info_type): Removed.
13282         (ipa_node_create): Renamed to ipa_create_node_params
13283         (ipa_free): Renamed to ipa_free_all_node_params
13284         (ipa_nodes_create): Renamed to ipa_create_all_node_params
13285         (ipa_edges_create): Renamed to ipa_create_all_edge_args
13286         (ipa_edges_free): Renamed to ipa_free_all_edge_args
13287         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
13288         (ipa_free_all_node_params): Deallocation to jump_functions moved to
13289         ipa_free_all_edge_args
13290         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
13291         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
13292         (ipa_create_methodlist_node): Removed.
13293         (ipa_methodlist_method): Removed.
13294         (ipa_methodlist_method_set): Removed.
13295         (ipa_methodlist_next_method): Removed.
13296         (ipa_methodlist_next_method_set): Removed.
13297         (ipa_method_is_modified): Removed.
13298         (ipa_method_modify_create): Removed.
13299         (ipa_method_modify_init): Temporary variable info instead of a few
13300         dereferences.
13301         (ipa_detect_param_modifications): Temporary variable info instead of
13302         a few dereferences.
13303         (ipa_compute_jump_functions): Temporary variable info instead of
13304         a few dereferences.
13305         (ipa_method_modify_set): Removed.
13306         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
13307         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
13308         than craph_node as the first parameter.
13309         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
13310         (ipa_method_modify_init): Removed.
13311         (ipa_compute_jump_functions): Added a temp variable instead of
13312         repeatadly dereferencing the cgraph_edge.aux pointer
13313         (ipa_callsite_param_set_type): Removed.
13314         (ipa_compute_jump_functions): i renamed to index and moved to
13315         an inner block
13316         (ipa_callsite_param_set_info_type_formal): Removed.
13317         (ipa_callsite_param_set_info_type): Removed.
13318         (ipa_callsite_param_map_create): Removed.
13319         (ipa_callsite_tree): Removed.
13320         (ipa_callsite_caller): Removed.
13321         (ipa_pop_func_from_list): return_method removed to return_func
13322
13323         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
13324         prefixed all values with IPA_. Changed all users.
13325         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
13326         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
13327         and FORMAL_IPATYPE IPA_PASS_THROUGH.
13328         (union parameter_info): Renamed to jump_func_value.
13329         (union jump_func_value): Renamed value to constant
13330         (struct ipa_jump_func): Renamed info_type to value
13331         (struct ipa_node): Renamed to ipa_node_params
13332         (struct ipa_node_params): Renamed ipa_arg_num to param_count
13333         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
13334         (struct ipa_node_params): Renamed ipa_mod to modified_flags
13335         (struct ipa_edge): Renamed to ipa_edge_args
13336         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
13337         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
13338         (struct ipa_methodlist): Renamed to ipa_func_list
13339         (struct ipa_func_list): method_p renamed to node, next_method
13340         renamed to next
13341         (ipa_methodlist_p): Removed, switched all users to struct pointer
13342         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
13343
13344 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
13345
13346         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
13347         (rs6000_emit_epilogue): Use backchain to restore only when we
13348         have a large frame.  Make use of frame pointer to restore if we
13349         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
13350
13351 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
13352
13353         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
13354         Add mode to zero_extract.
13355         (sign bit tests peepholes): (Ditto.).
13356
13357 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
13358
13359         * config/i386/i386.c (ix86_builtins): Replace Prescott New
13360         Instructions in comments with SSE3.
13361         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
13362         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
13363         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
13364         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
13365         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
13366         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
13367         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
13368         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
13369         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
13370         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
13371         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
13372         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
13373         (bdesc_sse_args): Renamed to ...
13374         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
13375         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
13376         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
13377         IX86_BUILTIN_FABSQ.
13378         (bdesc_1arg): Moved to ...
13379         (bdesc_args): Here.
13380         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
13381         Instructions in comments with SSE3.
13382         (ix86_expand_sse_operands_builtin): Renamed to ...
13383         (ix86_expand_args_builtin): This.  Updated.
13384         (ix86_expand_unop1_builtin): Update comments.
13385         (ix86_expand_builtin): Updated.
13386
13387 2008-04-29  Richard Guenther  <rguenther@suse.de>
13388
13389         PR tree-optimization/36078
13390         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
13391         Update virtual SSA form after cleaning up the CFG.
13392
13393 2008-04-29  Richard Guenther  <rguenther@suse.de>
13394
13395         PR middle-end/15255
13396         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
13397
13398 2008-04-29  Richard Guenther  <rguenther@suse.de>
13399
13400         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
13401         (compute_may_aliases): Do not call finalize_ref_all_pointers.
13402         (compute_flow_insensitive_aliasing): Do not treat
13403         PTR_IS_REF_ALL pointers special.
13404         (get_smt_for): Likewise.
13405         (may_alias_p): Re-structure.
13406         (is_escape_site): A ref-all pointer conversion is not an escape site.
13407         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
13408         PTR_IS_REF_ALL pointers special.
13409         * tree-ssa-structalias.h (struct alias_info): Remove
13410         ref_all_symbol_mem_tag field.
13411         (PTR_IS_REF_ALL): Remove.
13412
13413 2008-04-29  Richard Guenther  <rguenther@suse.de>
13414
13415         PR middle-end/36077
13416         * fold-const.c (extract_muldiv_1): In combining division constants
13417         make sure to never overflow.
13418
13419 2008-04-29  Nick Clifton  <nickc@redhat.com>
13420
13421         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
13422
13423 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13424
13425         PR bootstrap/35169
13426         * optc-gen.awk: Work around HP-UX/IA awk bug.
13427
13428 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
13429
13430         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
13431         2008-04-25 commit.
13432
13433 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
13434
13435         PR target/36073
13436         * config/i386/i386.md
13437         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
13438         Change operand 1 predicate to nonimmediate_operand.
13439
13440 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
13441
13442         PR debug/36060
13443         * dwarf2out.c (struct die_struct): Mark as chain_circular through
13444         die_sub field.
13445         * gengtype.c (walk_type, write_func_for_structure): Handle
13446         chain_circular.
13447         * doc/gty.texi: Document chain_circular.
13448
13449 2008-04-28  Richard Guenther  <rguenther@suse.de>
13450
13451         PR tree-optimization/36066
13452         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
13453         SCEV and loop.
13454
13455 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
13456
13457         PR target/36064
13458         * config/i386/i386.md
13459         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
13460         Use match_scratch instead of match_operand for operands 3 and 4.
13461
13462 2008-04-27  Richard Guenther  <rguenther@suse.de>
13463
13464         PR tree-optimization/18754
13465         PR tree-optimization/34223
13466         * tree-pass.h (pass_complete_unrolli): Declare.
13467         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
13468         loop size before and after unconditionally of UL_NO_GROWTH in effect.
13469         Rewrite loop into loop closed SSA form if it is not already.
13470         (tree_unroll_loops_completely): Re-structure to iterate over
13471         innermost loops with intermediate CFG cleanups.
13472         Unroll outermost loops only if requested or the code does not grow
13473         doing so.
13474         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
13475         loops are available.
13476         (tree_vectorize): Instead do so here.
13477         (tree_complete_unroll): Also unroll outermost loops.
13478         (tree_complete_unroll_inner): New function.
13479         (gate_tree_complete_unroll_inner): Likewise.
13480         (pass_complete_unrolli): New pass.
13481         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
13482         uses outside of the loop.
13483         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
13484         form if it is available.
13485         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
13486         * passes.c (init_optimization_passes): Schedule complete inner
13487         loop unrolling pass before the first CCP pass after final inlining.
13488
13489 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
13490
13491         * targhooks.h (default_emutls_var_fields,
13492         default_emutls_var_init): Declare.
13493         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
13494         * target.h (struct gcc_target): Add struct emutls member.
13495         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
13496         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
13497         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
13498         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
13499         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
13500         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
13501         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
13502         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
13503         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
13504         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
13505         emit debug information.
13506         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
13507         * varasm.c: Include targhooks.h.
13508         (emutls_object_section, emutls_tmpl_section): New.
13509         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
13510         (EMUTLS_SEPARATOR): New.
13511         (prefix_name): New.
13512         (get_emutls_object_name): New.
13513         (default_emutls_var_fields): New, broken out of ...
13514         (get_emutls_object_type): ... here.  Adjust to use target hooks.
13515         (get_emutls_init_templ_addr): Adjust to use target hooks.
13516         (emutls_decl): Adjust to use target hooks.
13517         (emutls_finish): Likewise.
13518         (default_emutls_var_init): New, broken out of ...
13519         (assemble_variable): ... here.  Adjust to use target hooks.
13520         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
13521         SECCAT_EMUTLS_TMPL.
13522         * c-common.c (handle_section_attribute): Prevent overriding
13523         sections for emulated tls with special sections.
13524         * config/i386/i386.c (x86_64_elf_select_section): Add
13525         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
13526         (x86_64_elf_unique_section): Likewise.
13527         * config/vxworks.c: Include tree.h.
13528         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
13529         (vxworks_override_options): Set TLS scheme.
13530         * doc/tm.texi (Emulated TLS): New node.
13531
13532 2008-04-26  Simon Baldwin <simonb@google.com>
13533
13534         PR c/35652
13535         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
13536         with propagated string constants.
13537
13538 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
13539
13540         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
13541         constraint for operand 2 when operand 0 is memory operand.
13542         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
13543         operand 0 is memory operand.
13544         (fix_trunc<mode>_i387_with_temp): Ditto.
13545         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
13546         operand 2 when operand 1 is memory operand.
13547         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
13548         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
13549         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
13550         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
13551         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
13552         operands 2,3 and 4 when operand 1 is memory operand.
13553         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
13554         is memory operand.
13555         (fistdi2_floor_with_temp): Ditto.
13556         (fist<mode>2_floor_with_temp): Ditto.
13557         (fistdi2_ceil_with_temp): Ditto.
13558         (fist<mode>2_ceil_with_temp): Ditto.
13559         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
13560
13561 2008-04-26  David Daney  <ddaney@avtrex.com>
13562
13563         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
13564         unspec_volitile.
13565         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
13566         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
13567         UNSPEC_UPDATE_GOT_VERSION): Renumber.
13568         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
13569         (compare_and_swap_12): New insn.
13570         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
13571         * config/mips/mips.c (mips_force_binary): New function.
13572         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
13573         (mips_expand_compare_and_swap_12): New function.
13574         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
13575
13576 2008-04-25  Jan Hubicka  <jh@suse.cz>
13577
13578         PR testsuite/35843
13579         * cfgexpand.c (pass_expand): Turn into RTL pass.
13580         * passes.c (execute_one_pass): Do pass typechecking after execution.
13581         * tree-pass.h (pass_expand): Turn into RTL pass.
13582
13583         * function.h (struct rtl_data): Move here fields
13584         accesses_prior_frames, calls_eh_return, saves_all_registers,
13585         has_nonlocal_goto, has_asm_statement, is_thunk,
13586         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
13587         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
13588         arg_pointer_save_area_init from struct function; turn into bool.
13589         (struct function): Move
13590         calls_eh_return, saves_all_registers, has_nonlocal_goto,
13591         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
13592         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
13593         tail_call_emit, arg_pointer_save_area_init
13594         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
13595         (current_function_returns_struct, current_function_returns_pcc_struct,
13596         current_function_calls_setjmp, current_function_calls_alloca,
13597         current_function_accesses_prior_frames,
13598         current_function_calls_eh_return, current_function_is_thunk,
13599         current_function_stdarg, current_function_profile,
13600         current_function_limit_stack, current_function_uses_pic_offset_table,
13601         current_function_uses_const_pool, current_function_has_nonlocal_label,
13602         current_function_saves_all_registers,
13603         current_function_has_nonlocal_goto,
13604         current_function_has_asm_statement): Remove accesor macros.
13605         * ra-conflict.c (global_conflicts): Update.
13606         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
13607         (suitable_for_tail_call_opt_p): Update.
13608         * builtins.c (expand_builtin_return_addr): Update.
13609         (expand_builtin_setjmp_setup): Update.
13610         (expand_builtin_nonlocal_goto): Update.
13611         * final.c (final_start_function): Update.
13612         (profile_function): Update.
13613         (leaf_function_p): Update.
13614         (only_leaf_regs_used): Update.
13615         * df-scan.c (df_get_exit_block_use_set): Update.
13616         * dojump.c (clear_pending_stack_adjust): Update.
13617         * tree-stdarg.c (gate_optimize_stdarg): Update.
13618         * gimple-low.c (lower_function_body): Update.
13619         * global.c (compute_regsets): Update.
13620         (global_alloc): Update.
13621         * dwarf2out.c (dwarf2out_begin_prologue): Update.
13622         * expr.c (expand_assignment): Update.
13623         * dse.c (dse_step0): Update.
13624         (dse_step1): Update.
13625         * c-decl.c (store_parm_decls): Update.
13626         * local-alloc.c (combine_regs): Update.
13627         (find_free_reg): Update.
13628         * function.c (assign_parms_augmented_arg_list): Update.
13629         (assign_parm_find_data_types): Update.
13630         (assign_parms): Update.
13631         (allocate_struct_function): Update.
13632         (expand_function_start): Update.
13633         (expand_function_end): Update.
13634         (get_arg_pointer_save_area): Update.
13635         (thread_prologue_and_epilogue_insns): Update.
13636         (rest_of_match_asm_constraints): Update.
13637         * stor-layout.c (variable_size): Update.
13638         * gcse.c (gcse_main): Update.
13639         (bypass_jumps): Update.
13640         * gimplify.c (gimplify_function_tree): Update.
13641         * calls.c (emit_call_1): Update.
13642         (expand_call): Update.
13643         * bt-load.c (compute_defs_uses_and_gen): Update.
13644         * except.c (sjlj_assign_call_site_values): Update.
13645         (sjlj_emit_function_enter): Update.
13646         (can_throw_external): Update.
13647         (set_nothrow_function_flags): Update.
13648         (expand_builtin_unwind_init): Update.
13649         (expand_eh_return): Update.
13650         (convert_to_eh_region_ranges): Update.
13651         (output_function_exception_table): Update.
13652         * emit-rtl.c (gen_tmp_stack_mem): Update.
13653         * cfgexpand.c (expand_used_vars): Update.
13654         (tree_expand_cfg): Update.
13655         * cfgcleanup.c (rest_of_handle_jump): Update.
13656         * explow.c (allocate_dynamic_stack_space): Update.
13657         * varasm.c (assemble_start_function): Update.
13658         (force_const_mem): Update.
13659         (mark_constant_pool): Update.
13660         * tree-optimize.c (tree_rest_of_compilation): Update.
13661         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
13662         * tree-cfg.c (notice_special_calls): Update.
13663         (is_ctrl_altering_stmt): Update.
13664         (tree_can_make_abnormal_goto): Update.
13665         (tree_purge_dead_abnormal_call_edges): Update.
13666         * config/alpha/predicates.md: Update.
13667         * config/alpha/alpha.c (alpha_sa_mask): Update.
13668         (alpha_sa_size): Update.
13669         (alpha_does_function_need_gp): Update.
13670         (alpha_expand_prologue): Update.
13671         (alpha_start_function): Update.
13672         (alpha_output_function_end_prologue): Update.
13673         (alpha_expand_epilogue): Update.
13674         * config/frv/frv.c (frv_stack_info): Update.
13675         (frv_expand_epilogue): Update.
13676         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
13677         (s390_register_info): Update.
13678         (s390_frame_info): Update.
13679         (s390_init_frame_layout): Update.
13680         (s390_can_eliminate): Update.
13681         (save_gprs): Update.
13682         * config/spu/spu.c (spu_split_immediate): Update.
13683         (need_to_save_reg): Update.
13684         (spu_expand_prologue): Update.
13685         (spu_expand_epilogue): Update.
13686         * config/sparc/sparc.md: Update.
13687         * config/sparc/sparc.c (eligible_for_return_delay): Update.
13688         (sparc_tls_got): Update.
13689         (legitimize_pic_address): Update.
13690         (sparc_emit_call_insn): Update.
13691         (sparc_expand_prologue): Update.
13692         (output_return): Update.
13693         (print_operand): Update.
13694         (sparc_function_ok_for_sibcall): Update.
13695         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
13696         * config/m32r/m32r.md: Update.
13697         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
13698         (m32r_compute_frame_size): Update.
13699         (m32r_expand_prologue): Update.
13700         (m32r_expand_epilogue): Update.
13701         (m32r_legitimize_pic_address): Update.
13702         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
13703         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13704         * config/i386/i386.c (ix86_frame_pointer_required): Update.
13705         (gen_push): Update.
13706         (ix86_save_reg): Update.
13707         (ix86_compute_frame_layout): Update.
13708         (ix86_expand_prologue): Update.
13709         (ix86_expand_epilogue): Update.
13710         * config/sh/sh.c (output_stack_adjust): Update.
13711         (calc_live_regs): Update.
13712         (sh5_schedule_saves): Update.
13713         (sh_expand_prologue): Update.
13714         (sh_expand_epilogue): Update.
13715         (sh_setup_incoming_varargs): Update.
13716         (sh_allocate_initial_value): Update.
13717         (sh_get_pr_initial_val): Update.
13718         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
13719         * config/sh/sh.md (label:): Update.
13720         * config/avr/avr.c (out_movhi_mr_r): Update.
13721         * config/crx/crx.h (enum): Update.
13722         * config/xtensa/xtensa.h (along): Update.
13723         * config/stormy16/stormy16.c Update.
13724         (xstormy16_compute_stack_layout): Update.
13725         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
13726         (fr30_expand_prologue): Update.
13727         * config/cris/cris.c (cris_conditional_register_usage): Update.
13728         (cris_reg_saved_in_regsave_area): Update.
13729         (cris_initial_frame_pointer_offset): Update.
13730         (cris_simple_epilogue): Update.
13731         (cris_expand_prologue): Update.
13732         (cris_expand_epilogue): Update.
13733         (cris_expand_pic_call_address): Update.
13734         (cris_asm_output_symbol_ref): Update.
13735         (cris_asm_output_label_ref): Update.
13736         * config/cris/cris.md Update.
13737         * config/iq2000/iq2000.c (compute_frame_size): Update.
13738         (iq2000_expand_epilogue): Update.
13739         * config/mt/mt.h (save_direction): Update.
13740         * config/mn10300/mn10300.c (mn10300_function_value): Update.
13741         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
13742         (ia64_secondary_reload_class): Update.
13743         * config/m68k/m68k.c (m68k_save_reg): Update.
13744         (m68k_expand_prologue): Update.
13745         (m68k_expand_epilogue): Update.
13746         (legitimize_pic_address): Update.
13747         * config/rs6000/rs6000.c (rs6000_got_register): Update.
13748         (first_reg_to_save): Update.
13749         (first_altivec_reg_to_save): Update.
13750         (compute_vrsave_mask): Update.
13751         (compute_save_world_info): Update.
13752         (rs6000_stack_info): Update.
13753         (spe_func_has_64bit_regs_p): Update.
13754         (rs6000_ra_ever_killed): Update.
13755         (rs6000_emit_eh_reg_restore): Update.
13756         (rs6000_emit_allocate_stack): Update.
13757         (rs6000_emit_prologue): Update.
13758         (rs6000_emit_epilogue): Update.
13759         (rs6000_output_function_epilogue): Update.
13760         (output_profile_hook): Update.
13761         (rs6000_elf_declare_function_name): Update.
13762         * config/rs6000/rs6000.h (rs6000_args): Update.
13763         * config/rs6000/rs6000.md: Update.
13764         * config/mcore/mcore.c (mcore_expand_prolog): Update.
13765         * config/arc/arc.c (arc_output_function_epilogue): Update.
13766         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
13767         * config/darwin.c (machopic_function_base_name): Update.
13768         * config/score/score3.c (score3_compute_frame_size): Update.
13769         (rpush): Update.
13770         (rpop): Update.
13771         (score3_epilogue): Update.
13772         * config/score/score7.c (score7_compute_frame_size): Update.
13773         (score7_prologue): Update.
13774         (score7_epilogue): Update.
13775         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
13776         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13777         * config/arm/arm.c (use_return_insn): Update.
13778         (require_pic_register): Update.
13779         (arm_load_pic_register): Update.
13780         (arm_compute_save_reg0_reg12_mask): Update.
13781         (arm_compute_save_reg_mask): Update.
13782         (thumb1_compute_save_reg_mask): Update.
13783         (output_return_instruction): Update.
13784         (arm_output_function_prologue): Update.
13785         (arm_output_epilogue): Update.
13786         (arm_get_frame_offsets): Update.
13787         (arm_expand_prologue): Update.
13788         (thumb_pushpop): Update.
13789         (thumb_exit): Update.
13790         (thumb1_expand_prologue): Update.
13791         (thumb1_expand_epilogue): Update.
13792         (arm_unwind_emit): Update.
13793         (arm_output_fn_unwind): Update.
13794         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
13795         * config/arm/arm.md: Update.
13796         * config/pa/pa.md: Update.
13797         * config/pa/pa.c (legitimize_pic_address): Update.
13798         (compute_frame_size): Update.
13799         (hppa_expand_prologue): Update.
13800         (hppa_expand_epilogue): Update.
13801         (borx_reg_operand): Update.
13802         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
13803         (HARD_REGNO_RENAME_OK): Update.
13804         * config/mips/mips.c (mips_global_pointer): Update.
13805         (mips_save_reg_p): Update.
13806         (mips_compute_frame_info): Update.
13807         (mips_frame_pointer_required): Update.
13808         (mips_expand_prologue): Update.
13809         (mips_expand_epilogue): Update.
13810         (mips_can_use_return_insn): Update.
13811         (mips_reorg_process_insns): Update.
13812         * config/v850/v850.c (compute_register_save_size): Update.
13813         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
13814         * config/mmix/mmix.c (along): Update.
13815         (mmix_expand_epilogue): Update.
13816         * config/bfin/bfin.c (legitimize_pic_address): Update.
13817         (must_save_p): Update.
13818         (stack_frame_needed_p): Update.
13819         (add_to_reg): Update.
13820         (bfin_expand_prologue): Update.
13821         * stmt.c (expand_asm_operands): Update.
13822         * reload1.c (reload): Update.
13823         (init_elim_table): Update.
13824
13825 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
13826
13827         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
13828
13829 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
13830
13831         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
13832         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
13833         (mov<mode>): Removed.
13834         (*movv4sf_internal): Likewise.
13835         (*movv2df_internal): Likewise.
13836
13837 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
13838
13839         * config.gcc (crx-*-elf): Remove deprecation.
13840
13841 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
13842
13843         * config/i386/cygming-crtend.c (register_frame_ctor): Register
13844         __gcc_deregister_frame with atexit.
13845         (deregister_frame_dtor): Remove.
13846
13847 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
13848             Nathan Sidwell  <nathan@codesourcery.com>
13849
13850         * config/rs6000/rs6000.opt (mspe): Remove Var property.
13851         (misel): Likewise.
13852         * config/rs6000/rs6000.h (rs6000_spe): Declare.
13853         (rs6000_isel): Likewise.
13854         * config/rs6000/rs6000.c (rs6000_spe): New variable.
13855         (rs6000_isel): New variable.
13856         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
13857
13858 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13859
13860         PR c++/35758
13861         * c-common.c (handle_vector_size_attribute): Call
13862         lang_hooks.types.reconstruct_complex_type instead of
13863         reconstruct_complex_type.
13864         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
13865         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
13866         * langhooks.h (struct lang_hooks_for_types): Add
13867         reconstruct_complex_type hook.
13868         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
13869         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
13870
13871 2008-04-24  Richard Guenther  <rguenther@suse.de>
13872
13873         * c-common.h (check_builtin_function_arguments): Declare.
13874         * c-common.c (validate_nargs): New function.
13875         (check_builtin_function_arguments): Likewise.
13876         * c-typeck.c (build_function_call): Call
13877         check_builtin_function_arguments.
13878         * builtins.c (fold_builtin_classify): Remove error reporting code.
13879         (fold_builtin_unordered_cmp): Likewise.
13880         (fold_builtin_1): Likewise.
13881         (fold_builtin_n): Likewise.
13882
13883 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13884
13885         PR tree-optimization/36008
13886         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
13887         the original op1, rather than delta by step.
13888
13889 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
13890             Sebastian Pop  <sebastian.pop@amd.com>
13891
13892         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
13893         eliminate_local_variables_stmt, eliminate_local_variables,
13894         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
13895         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
13896         of code delimited by two edges in the CFG.
13897         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
13898         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
13899         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
13900         the case of parallelisation of reductions.
13901         (expr_invariant_in_region_p): New.
13902
13903         * tree-flow.h (gather_blocks_in_sese_region): Declared.
13904         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
13905
13906 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13907             Richard Guenther  <rguenther@suse.de>
13908
13909         PR tree-optimization/36034
13910         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
13911         incapable of dealing with loads with gaps.
13912
13913 2008-04-24  Rafael Espindola  <espindola@google.com>
13914
13915         * tree-flow.h (vrp_evaluate_conditional): Change signature.
13916         * tree-ssa-propagate.c (fold_predicate_in): Update call to
13917         vrp_evaluate_conditional.
13918         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
13919         (vrp_evaluate_conditional): Split the cond argument.
13920         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
13921         (simplify_stmt_for_jump_threading): Update call to
13922         vrp_evaluate_conditional.
13923
13924 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13925
13926         PR tree-optimization/35982
13927         * tree-vect-analyze.c (vect_check_interleaving): Check that the
13928         interleaved data-refs are of the same type.
13929
13930 2008-04-24  Danny Smith  <dannysmith@users.net>
13931
13932         * c-format.c (check_format_info_main): Use strncmp rather than a
13933         magic prefix to handle multichar length specs.
13934         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
13935         Don't prefix "I64" and "I32" with '\0'.
13936
13937 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13938
13939         PR target/36015
13940         * config/i386/i386.c (init_cumulative_args): Don't pass anything
13941         in registers for -m32 only if stdarg_p (fntype).
13942
13943 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
13944
13945         PR rtl-optimization/36006
13946         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
13947         temp to op0 in order to avoid invalid rtx sharing.
13948
13949 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13950
13951         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
13952         check TREE_INVARIANT.
13953         * tree-gimple.c (is_gimple_address): New.
13954         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
13955         * tree-gimple.h (is_gimple_address): New.
13956         * tree.h (decl_address_invariant_p): New.
13957         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
13958         (build_string): Likewise.
13959         (decl_address_invariant_p): New, from is_gimple_invariant_address.
13960         (tree_invariant_p_1): Likewise.
13961         (save_expr): Use it.
13962         (tree_invariant_p): New.
13963         (skip_simple_arithmetic): Use it.
13964         (stabilize_reference_1): Use it.
13965         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
13966         simplify.
13967         (build1_stat): Drop code to compute TREE_INVARIANT.
13968         (build2_stat): Drop code to compute TREE_INVARIANT.
13969         (build3_stat): Drop code to compute TREE_INVARIANT.
13970         (build4_stat): Drop code to compute TREE_INVARIANT.
13971         (build5_stat): Drop code to compute TREE_INVARIANT.
13972         (build7_stat): Drop code to compute TREE_INVARIANT.
13973         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
13974         * tree.h (struct tree_base): Remove invariant_flag.
13975         (TREE_INVARIANT): Remove.
13976         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
13977         (fold_builtin_expect): Check TREE_CONSTANT.
13978         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
13979         * c-tree.h (c_expr_to_decl): Drop third parameter.
13980         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
13981         (build_c_cast): Don't set TREE_INVARIANT.
13982         (pop_init_level): Don't set TREE_INVARIANT.
13983         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
13984         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
13985         TREE_CONSTANT.
13986         (gimplify_init_constructor): Don't set TREE_INVARIANT.
13987         (gimplify_addr_expr): Adjust comment.
13988         * tree-mudflap.c (mf_build_string):
13989         * print-tree.c (print_node): Don't print TREE_INVARIANT.
13990         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
13991         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
13992         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
13993         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
13994         * langhooks.h (struct lang_hooks): Drop third parameter from
13995         expr_to_decl.
13996
13997 2008-04-23  Richard Guenther  <rguenther@suse.de>
13998
13999         PR tree-optimization/27799
14000         PR tree-optimization/32921
14001         PR tree-optimization/32624
14002         * tree-ssa-structalias.c (merge_smts_into): Only merge the
14003         SMTs aliases and the tag itself into the solution.
14004         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
14005         merge the points-to solution back into the SMT aliases.
14006         (may_alias_p): Use alias_set_subset_of instead of
14007         aliases_conflict_p.  A pointer which points to
14008         memory with alias set zero may access any variable.
14009
14010 2008-04-23  Richard Guenther  <rguenther@suse.de>
14011
14012         * alias.c (alias_set_subset_of): Correctly handle asking
14013         if zero is a subset of an alias set with zero child.
14014         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
14015         (compute_flow_insensitive_aliasing): Correctly walk all
14016         pointers.  Do not unnecessarily union sets.
14017
14018 2008-04-23  Richard Guenther  <rguenther@suse.de>
14019
14020         PR middle-end/36021
14021         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
14022
14023 2008-04-22  Tomas Bily  <tbily@suse.cz>
14024
14025         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
14026         unreachable case.
14027         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
14028         NON_LVALUE_EXPR.
14029         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
14030         * tree-ssa-structalias.c (get_constraint_for): Likewise.
14031         * tree-inline.c (estimate_num_insns_1): Likewise.
14032         * varasm.c (const_hash_1, compare_constant, copy_constant)
14033         (compute_reloc_for_constant, output_addressed_constants): Likewise.
14034         * emit-rtl.c (component_ref_for_mem_expr)
14035         (set_mem_attributes_minus_bitpos): Likewise.
14036         * expr.c (highest_pow2_factor, expand_expr_real_1, )
14037         (is_aligning_offset): Likewise.
14038         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
14039         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
14040         * dojump.c (do_jump): Likewise.
14041         * builtins.c (get_pointer_alignment, get_memory_rtx)
14042         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
14043         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
14044
14045 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
14046
14047         PR rtl-optimization/36017
14048         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
14049         expanding the library call.
14050
14051 2008-04-22  Ian Lance Taylor  <iant@google.com>
14052
14053         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
14054         than size_in_bytes.
14055
14056 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
14057
14058         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
14059         of LR/CTR moves for Power6.
14060
14061 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
14062
14063         PR middle-end/36003
14064         * passes.c (init_optimization_passes): Remove
14065         pass_fast_rtl_byte_dce.
14066
14067 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
14068
14069         PR target/29096
14070         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
14071         builtin functions to generate faster code.
14072         (_mm_cvtpu16_ps): Ditto.
14073         (_mm_cvtpi32x2_ps): Ditto.
14074
14075 2008-04-22  Nick Clifton  <nickc@redhat.com>
14076
14077         * common.opt (ftree-loop-distribution): Add Optimization
14078         attribute.
14079
14080         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
14081         (frv_expand_builtin_va_start): Likewise.
14082
14083         * config/arm/arm.c (thumb_find_work_register): Fix location of
14084         argument register count.
14085
14086 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
14087
14088         Support scheduling for ColdFire V1 and V3 microarchitecture.
14089         Improve scheduling of multiplication instructions.
14090
14091         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
14092         (mac): New instruction attribute.
14093         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
14094         (m68k_sched_mac): New variable.
14095         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
14096         Handle cfv1 and cfv3.
14097         (max_insn_size): New static variable.
14098         (struct _sched_ib): New type.
14099         (sched_ib): New static variable.
14100         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
14101         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
14102         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
14103         Update.
14104         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
14105         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
14106         new variables.  Update.
14107         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
14108         Add modeling of cfv3 instruction buffer.  Update.
14109         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
14110         * config/m68k/m68k.h (TUNE_CFV3): New macro.
14111         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
14112         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
14113         a particular reservation applies to.
14114         (type2): Reorganize attribute values.  Rename alu to alu_reg,
14115         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
14116         to mul_l and mul_w.
14117         (cf_ib_*): Simplify description of instruction buffer.
14118         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
14119         (cf_mem): Split into cf_mem1 and cf_mem2.
14120         (cf_v2_move_??): Rename to cfv12_alu_??.
14121         (cf_v2_move_l_??): Rename to cfv12_omove_??.
14122         (cf_v2_mul_??): Remove reservations.
14123         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
14124         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
14125         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
14126         appropriate place.
14127         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
14128         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
14129         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
14130         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
14131         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
14132         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
14133         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
14134         expansions of the above reservations for instructions of sizes
14135         1, 2 and 3 words.
14136
14137 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
14138
14139         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
14140
14141 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
14142
14143         * coverage.c: Include tree-pass.h.
14144         (coverage_counter_alloc): Print da_file_name to the dump file.
14145
14146 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
14147
14148         * sbitmap.c (sbitmap_range_empty_p): New function.
14149         * sbitmap.h (sbitmap_range_empty_p): New function.
14150         * bitmap.h: Now includes obstack.h.
14151
14152 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
14153             Kenneth Zadeck  <zadeck@naturalbridge.com>
14154
14155         * dbgcnt.def (ra_byte_scan): Added.
14156         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
14157         when the last hit happens for a counter.
14158         * timevar.def (TV_DF_BYTE_LR): New variable.
14159         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
14160         * passes.c (pass_fast_rtl_byte_dce): New pass.
14161         * fwprop.c (update_df): Added mode to call df_ref_create.
14162         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
14163         DF_REF_EXTRACT_OFFSET.
14164         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
14165         DF_BYTE_LR_OUT, df_byte_lr): New macro.
14166         (df_mm): New enum.
14167         (df_ref_extract): Added mode field.
14168         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
14169         DF_REF_EXTRACT_OFFSET.
14170         (DF_REF_EXTRACT_MODE): New macro.
14171         (df_byte_lr_bb_info): New structure.
14172         (df_print_byte_regset, df_compute_accessed_bytes,
14173         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
14174         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
14175         df_byte_lr_simulate_uses,
14176         df_byte_lr_simulate_artificial_refs_at_top,
14177         df_byte_lr_simulate_artificial_refs_at_end,
14178         df_compute_accessed_bytes): New function.
14179         (df_ref_create): Add parameter.
14180         (df_byte_lr_get_bb_info): New inline function.
14181         * df-scan.c (df_ref_record, df_uses_record,
14182         df_ref_create_structure): Added mode parameter.
14183         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
14184         df_defs_record, df_uses_record, df_get_conditional_uses,
14185         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
14186         df_entry_block_defs_collect, df_exit_block_uses_collect):
14187         Added mode parameter to calls to df_ref_record, df_uses_record,
14188         df_ref_create_structure.
14189         (df_ref_equal_p, df_ref_compare): Added test for modes.
14190         (df_ref_create_structure): Added code to set mode.  Renamed
14191         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
14192         DF_REF_EXTRACT_OFFSET.
14193         * df-core.c (df_print_byte_regset): New function.
14194         * df-byte-scan.c: New file.
14195         * df-problems.c (df_rd_transfer_function): Removed unnecessary
14196         calls to BITMAP_FREE.
14197         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
14198         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
14199         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
14200         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
14201         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
14202         df_byte_lr_local_compute, df_byte_lr_init,
14203         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
14204         df_byte_lr_transfer_function, df_byte_lr_free,
14205         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
14206         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
14207         df_byte_lr_simulate_uses,
14208         df_byte_lr_simulate_artificial_refs_at_top,
14209         df_byte_lr_simulate_artificial_refs_at_end): New function.
14210         * dce.c (byte_dce_process_block): New function.
14211         (dce_process_block): au is now passed in rather than computed
14212         locally.  Changed loops that look at artificial defs to not look
14213         for conditional or partial ones, because there never are any.
14214         (fast_dce): Now is able to drive byte_dce_process_block or
14215         dce_process_block depending on the kind of dce being done.
14216         (rest_of_handle_fast_dce): Add parameter to fast_dce.
14217         (rest_of_handle_fast_byte_dce): New function.
14218         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
14219         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
14220
14221 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
14222
14223         PR fortran/35019
14224         * gcc.h: Added fortran options that take arguments to
14225         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
14226         macros.
14227
14228 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
14229
14230         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
14231         scalarization if on the LHS and not a full access.
14232
14233 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14234
14235         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
14236
14237 2008-04-18  Rafael Espindola  <espindola@google.com>
14238
14239         * tree-vrp.c (find_case_label_index): Fix the binary search.
14240         (find_case_label_range): New.
14241         (vrp_visit_switch_stmt): Use find_case_label_range.
14242         (simplify_switch_using_ranges): Use find_case_label_range.
14243
14244 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
14245
14246         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
14247         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
14248
14249 2008-04-18  Tom Tromey  <tromey@redhat.com>
14250
14251         PR libcpp/15500:
14252         * doc/cpp.texi (Implementation-defined behavior): Mention
14253         -finput-charset.
14254
14255 2008-04-18  Ian Lance Taylor  <iant@google.com>
14256
14257         * fold-const.c (pointer_may_wrap_p): New static function.
14258         (fold_comparison): Add another test for pointer overflow.  Use
14259         pointer_may_wrap_p to disable some false positives.
14260
14261 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
14262
14263         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
14264         (fname_as_string): Match updated cpp_interpret_string prototype.
14265         (fix_string_type): Support char16_t* and char32_t*.
14266         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
14267         derivative) nodes.  Register as builtin if C++0x.
14268         (c_parse_error): Support CPP_CHAR{16,32}.
14269         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
14270         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
14271         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
14272         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
14273         CTI_CHAR32_ARRAY_TYPE>: New elements.
14274         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
14275         char32_type_node, signed_char32_type_node, char16_array_type_node,
14276         char32_array_type_node): New defines.
14277         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
14278         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
14279         (lex_string): Support CPP_STRING{16,32}, match updated
14280         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
14281         (lex_charconst): Support CPP_CHAR{16,32}.
14282         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
14283         and CPP_STRING{16,32}.
14284
14285 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
14286
14287         PR bootstrap/35457
14288         * aclocal.m4: Regenerate.
14289         * configure: Regenerate.
14290
14291 2008-04-18  Jan Hubicka  <jh@suse.cz>
14292
14293         * except.c (dw2_size_of_call_site_table,
14294         sjlj_size_of_call_site_table): Use vector API for call_site_record.
14295
14296         * cgraphbuild.c (build_cgraph_edges): Update.
14297         * tree-pass.h: Update comment.
14298         * final.c (leaf_function_p): Update.
14299         (leaf_renumber_regs): Update.
14300         (rest_of_clean_state): Update.
14301         * omp-low.c (expand_omp_parallel): Update.
14302         * ipa-reference.c (analyze_function): Update.
14303         * reorg.c (find_end_label): Update.
14304         (optimize_skip): Update.
14305         (fill_simple_delay_slots): Update.
14306         (fill_simple_delay_slots): Update.
14307         (make_return_insns): Update.
14308         (dbr_schedule): Update.
14309         * gimple-low.c (record_vars_into): Update.
14310         * cfgbuild.c (make_edges): Update.
14311         * function.c (assign_stack_local): Update.
14312         (assign_parm_adjust_stack_rtl): Update.
14313         (locate_and_pad_parm): Update.
14314         (allocate_struct_function): Do not initialize stack_alignment_needed
14315         and preferred_stack_boundary here.
14316         (stack_protect_prologue): Update.
14317         (stack_protect_epilogue): Update.
14318         (expand_function_start): Initialize stack_alignment_needed,
14319         preferred_stack_boundary and max_jumptable_ents.
14320         (expand_function_end): Update.
14321         (free_after_compilation): Do not NULLify epilogue_delay_list.
14322         * function.h (struct rtl_data): Add stack_protect_guard,
14323         stack_alignment_needed,
14324         preferred_stack_boundary, epilogue_delay_list.
14325         (struct function): Remove value_histograms, stack_alignment_needed,
14326         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
14327         last_label_uid,
14328         unexpanded_var_list, stack_protect_guard.
14329         (current_function_epilogue_delay_list): Remove.
14330         * ipa-type-escape.c (analyze_function): Update.
14331         * gimplify.c (pop_gimplify_context): Update comment.
14332         * calls.c (expand_call): Update.
14333         (emit_library_call_value_1): Update.
14334         * except.c (set_nothrow_function_flags): Update.
14335         * cfgexpand.c (get_decl_align_unit): Update.
14336         (create_stack_guard): Update.
14337         (estimated_stack_frame_size): Update.
14338         (expand_used_vars): Update.
14339         (tree_expand_cfg): Free histogram earliers, init expansion variables.
14340         * explow.c (allocate_dynamic_stack_space): Update.
14341         * tree-ssa-live.c (remove_unused_locals): Update.
14342         * varasm.c (mark_constant_pool): Update.
14343         * tree-inline.c (remap_decls): Update.
14344         (initialize_cfun): Update.
14345         (declare_return_variable): Update.
14346         (inline_forbidden_p): Update.
14347         (expand_call_inline): Update.
14348         (declare_inline_vars): Update.
14349         (tree_function_versioning): Update.
14350         * tree-flow.h (value_histograms): New.
14351         (VALUE_HISTOGRAMS): New macro.
14352         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
14353         last_label_uid.
14354         * tree-cfg.c (set_bb_for_stmt): Update.
14355         (replace_by_duplicate_decl): Update.
14356         (move_block_to_fn): Update.
14357         (new_label_mapper): Update.
14358         (dump_function_to_file): Update.
14359         * ipa-struct-reorg.c (build_data_structure): Update.
14360         * cfgrtl.c (print_rtl_with_bb): Update.
14361         * reload1.c (reload): Update.
14362         (reload): Update.
14363         * config/i386/i386.c (setup_incoming_varargs_64,
14364         ix86_compute_frame_layout): Update.
14365         * config/arc/arc.c (arc_output_function_epilogue): Update.
14366
14367 2008-04-18  Marius Strobl <marius@FreeBSD.org>
14368
14369         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
14370         for FreeBSD as well.
14371         * gthr-posix95.h: Likewise.
14372
14373 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
14374
14375         PR rtl-optimization/35838
14376         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
14377         out the byte offset of the first subreg.
14378
14379 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
14380
14381         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
14382         to split_ti instead of three separate calls with single member arrays.
14383         (subti3 splitter): Ditto.
14384         (adddi3 splitter): Ditto with split_di.
14385         (subdi3 splitter): Ditto.
14386         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
14387         two separate calls with single member arrays.  Swap match_dup
14388         operands 1 and 2 to better fit into the array.
14389         (negdi2 splitter): Ditto with split_di.
14390         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
14391         two separate calls with single member arrays.  Swap match_dup operands
14392         6 and 7 to better fit into the array.
14393
14394 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
14395
14396         * config/i386/i386.c (sse_builtin_type): New.
14397         (bdesc_sse_args): Likewise.
14398         (bdesc_sse_3arg): Removed.
14399         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
14400         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
14401         IX86_BUILTIN_ROUNDPS.
14402         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
14403         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
14404         IX86_BUILTIN_ROUNDPS.
14405         (ix86_expand_sse_4_operands_builtin): Removed.
14406         (ix86_expand_sse_operands_builtin): New.
14407         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
14408         and CODE_FOR_sse4_1_roundps.
14409         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
14410         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
14411
14412 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
14413
14414         PR target/35907
14415         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
14416         regs before frame pop when needed.  If use_backchain_to_restore_sp
14417         then load backchain into a temp reg to restore vr and vrsave.  Add
14418         code to restore vr after frame pop if possible.
14419
14420 2008-04-17  Richard Guenther  <rguenther@suse.de>
14421
14422         * tree-vn.c (expressions_equal_p): Do not check type
14423         equality or compatibility before calling operand_equal_p.
14424         * fold-const.c (operand_equal_p): Check equivalence of
14425         integer constants before bailing out due to signedness or
14426         precision differences.
14427         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
14428         spurious differences in type qualification.  Ignore types
14429         for COMPONENT_REFs at all.
14430
14431 2008-04-17  Christian Bruel  <christian.bruel@st.com>
14432
14433         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
14434         msw_skip comparison.
14435
14436 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
14437
14438         PR c/35739
14439         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
14440         reg type.
14441
14442         PR tree-optimization/35899
14443         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
14444         rather than TREE_OPERAND.
14445
14446 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
14447
14448         PR target/35944
14449         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
14450         temporary registers.  Change operand predicate to general_operand.
14451         (remainderxf3): Ditto.
14452
14453 2008-04-16  Richard Guenther  <rguenther@suse.de>
14454
14455         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
14456         * tree-affine.c (aff_combination_expand): Look through some
14457         conversions.
14458
14459 2008-04-15  Doug Kwan  <dougkwan@google.com>
14460
14461         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
14462         for hex printing.
14463         * tree-pretty-print.c (dump_generic_node): Ditto.
14464         * final.c (output_addr_const): Ditto.
14465         * dwarf2out.c (output_cfi): Ditto.
14466         * c-pretty-print.c (pp_c_integer_constant): Ditto.
14467         * print-rtl.c (print_rtx): Ditto.
14468         * print-tree.c (print_node_brief, print_node): Ditto.
14469         * c-common.c (match_case_to_enum_1): Ditto.
14470         * sched-vis.c (print_value): Ditto.
14471         * config/i386/i386.c (print_operand): Cast to long unsigned int
14472         for hex printing.
14473
14474 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
14475         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
14476         MS Windows VirtualProtect function.
14477
14478 2008-04-15  Jan Hubicka  <jh@suse.cz>
14479
14480         * gengtype.c (write_root): Param_is argument is OK.
14481         * expr.c (expand_expr_real_1): Update call of get_exception_*.
14482         * function.h: Include varray.h
14483         (rtl_eh): New stucture based on except.c one.
14484         (call_site_record): New forward declaration and vector type.
14485         * calls.c (emit_call_1): Do not call
14486         note_current_region_may_contain_throw.
14487         * except.c (eh_status): Remove cur_region, try_region since they are
14488         unused.
14489         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
14490         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
14491         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
14492         Remove call_site_data_used, call_site_data_size.
14493         Turn call_site_record into vector in function.h.
14494         (note_current_region_may_contain_throw): Remove.
14495         (get_exception_pointer, get_exception_filter): Do not take struct
14496         function argument; update.
14497         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
14498         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
14499         build_post_landing_pads, dw2_build_landing_pads,
14500         sjlj_assign_call_site_values, sjlj_mark_call_sites,
14501         sjlj_emit_function_enter, sjlj_emit_function_enter,
14502         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
14503         sjlj_build_landing_pads, finish_eh_generation,
14504         remove_exception_handler_label, remove_eh_handler,
14505         maybe_remove_eh_handler, add_reachable_handler,
14506         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
14507         add_action_record, collect_one_action_chain, add_call_site,
14508         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
14509         sjlj_output_call_site_table, output_function_exception_table,
14510         * except.h (note_current_region_may_contain_throw): Remove
14511         (get_exception_pointer, get_exception_filter): Do not take struct
14512         function argument.
14513         * Makefile.in (GTFILES): Put varargs before struct function.
14514
14515 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
14516
14517         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
14518         punt for STRING_CST.
14519         (get_constraint_for): Deal with STRING_CST here instead.
14520
14521 2008-04-15  Richard Guenther  <rguenther@suse.de>
14522
14523         * tree-ssa-propagate.c (substitute_and_fold): Substitute
14524         statements in a basic-block with a backward walk.  Do not
14525         substitute into dead statements but instead remove those.
14526
14527 2008-04-15  Richard Guenther  <rguenther@suse.de>
14528
14529         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
14530         to zero, thus disable creation of SFTs.
14531
14532 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
14533
14534         * tree-predcom.c (suitable_reference_p): Return false if the
14535         reference can throw.
14536
14537 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
14538
14539         PR c/35751
14540         * c-decl.c (finish_decl): If extern or static var has variable
14541         size, set TREE_TYPE (decl) to error_mark_node.
14542
14543 2008-04-15  Rafael Espindola  <espindola@google.com>
14544
14545         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
14546         variable arg1.
14547
14548 2008-04-15  Richard Guenther  <rguenther@suse.de>
14549
14550         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
14551         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
14552         (visit_reference_op_load): Do walk vuse-vdef chains on
14553         vn_reference_lookup.
14554         (visit_reference_op_store): But do not here.
14555         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
14556         vn_reference_lookup.
14557         (vn_lookup_with_vuses): But do so here.
14558
14559 2008-04-14  Ian Lance Taylor  <iant@google.com>
14560
14561         * fold-const.c (fold_overflow_warning): Remove assertion.
14562
14563 2008-04-15  Ben Elliston  <bje@au.ibm.com>
14564
14565         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
14566         temp1 local variables.
14567
14568 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
14569
14570         PR target/35661
14571         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
14572         ".text.unlikely" section as executable.
14573
14574 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
14575
14576         * config/ia64/ia64.c (rtx_needs_barrier): Handle
14577         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
14578         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
14579         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
14580         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
14581         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
14582         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
14583
14584 2008-04-14  Ian Lance Taylor  <iant@google.com>
14585
14586         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
14587         * fold-const.c (fold_comparison): If appropriate, test
14588         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
14589         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
14590         reassociating a pointer type.
14591         * doc/invoke.texi (Optimize Options): Document that
14592         -fstrict-overflow applies to pointer wraparound.
14593
14594 2008-04-13  Jan Hubicka  <jh@suse.cz>
14595
14596         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
14597
14598 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
14599
14600         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
14601         we are going to "save the world".
14602
14603 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
14604
14605         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
14606         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
14607         operand 0 constraint, not "=".
14608
14609 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
14610
14611         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
14612
14613 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14614
14615         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
14616         of size of positions_needed * CHAR_BIT.
14617
14618 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14619
14620         PR middle-end/35897
14621         * dse.c (store_info): Change positions_needed to unsigned
14622         HOST_WIDE_INT.
14623         (lowpart_bitmask): New.
14624         (record_store): Cast to unsigned HOST_WIDE_INT for
14625         positions_needed.  Assert width <= size of positions_needed *
14626         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
14627         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
14628         lowpart_bitmask to set mask.
14629
14630 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
14631
14632         * config/bfin/constraints.md: New file.
14633         * config/bfin/bfin.md: Include it.
14634         (adddi3): Use satisfies_constraint functions instead of the old macros.
14635         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
14636         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
14637         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
14638         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
14639         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
14640         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
14641         EXTRA_CONSTRAINT): Delete.
14642         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
14643         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
14644         of the old macros.
14645         * config/bfin/bfin.c: Include "tm-constrs.h".
14646         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
14647         Use satisfies_constraint functions instead of the old macros.
14648         * doc/md.texi (Blackfin Constraints): Update file name reference.
14649
14650 2008-04-11  Richard Guenther  <rguenther@suse.de>
14651
14652         PR tree-optimization/35869
14653         * tree-vrp.c (execute_vrp): Move switch statement update after
14654         jump threading.  Schedule another cfg cleanup run.
14655
14656 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
14657
14658         PR c/35744
14659         * attribs.c (decl_attributes): Return early on errorneous node.
14660
14661 2008-04-10  Oleg Ryjkov  <olegr@google.com>
14662
14663         * tree.h (struct tree_base): Added a new flag default_def_flag.
14664         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
14665
14666 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
14667
14668         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
14669
14670 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14671
14672         PR target/35768
14673         * pa.md: Define mode iterator P.  Define mode attribute dwc.
14674         (dcacheflush): Update pattern to use iterator P and attribute dwc.
14675         (icacheflush): Likewise.
14676         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
14677         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
14678
14679 2008-04-11  Ben Elliston  <bje@au.ibm.com>
14680
14681         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
14682
14683 2008-04-10  Rafael Espindola  <espindola@google.com>
14684
14685         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
14686         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
14687         (extract_range_from_expr): The same.
14688
14689 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14690
14691         * config/mips/mips.md (GPR2): New mode iterator.
14692         (seq): Add comment.
14693         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
14694         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
14695         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
14696         Rewrite these to take two modes, the mode of comparison and the
14697         mode of the destination.
14698         * config/mips/mips.c (mips_expand_scc): Instead of having
14699         paradoxical subreg as destination, expand "narrowing" scc if mode
14700         of comparison is SI and target is requested in DI mode.
14701         (mips_emit_int_order_test): Update comment.  Make mode of
14702         comparison match CMP0 rather than TARGET.  When creating inverse
14703         target use mode of TARGET.
14704
14705 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14706
14707         * gcov-dump.c (tag_summary): Only print summaries for the first
14708         GCOV_COUNTERS_SUMMABLE counters.
14709
14710 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
14711
14712         * config/i386/i386.md (absneg): New code iterator.
14713         (absnegprefix): New code attribute.
14714         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
14715         patterns using absneg code iterator.
14716         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
14717         using absneg code iterator.
14718         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
14719         *neg<mode>2 patterns using absneg code iterator.
14720         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14721         *negextendsfdf2 patterns using absneg code iterator.
14722         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
14723         *negextendsfxf2 patterns using absneg code iterator.
14724         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14725         *negextendsfdf2 patterns using absneg code iterator.
14726         * config/i386/sse.md (<code><mode>2): Macroize expander from
14727         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
14728
14729 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
14730
14731         * config/s390/s390.h: Remove the remains of the recent search
14732         & replace action of current_function_outgoing_args_size.
14733
14734 2008-04-10  Ira Rosen  <irar@il.ibm.com>
14735
14736         PR tree-optimization/35821
14737         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
14738         NEW_STMT_LIST is not NULL.
14739
14740 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
14741
14742         PR libstdc++/35597
14743         * toplev.c (process_options): Remove -ffunction-sections debugging
14744         warning.
14745
14746 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
14747
14748         PR middle-end/PR28690
14749         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
14750         than gen_rtx_fmt_ee to perform more canonicalizations.
14751
14752 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14753
14754         PR driver/35665
14755         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
14756
14757 2008-04-09  Richard Guenther  <rguenther@suse.de>
14758
14759         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
14760         (dump_function_to_file): Dump function arguments with types.
14761
14762 2008-04-08  Richard Guenther  <rguenther@suse.de>
14763
14764         * fold-const.c (fold_widened_comparison): Do not allow
14765         sign-changes that change the result.
14766
14767 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
14768
14769         PR target/35839
14770         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
14771         kinds of indirect references.
14772
14773 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
14774
14775         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
14776         GNU Fortran language string.
14777
14778 2008-04-08  Rafael Espindola  <espindola@google.com>
14779
14780         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
14781         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
14782         * tree.h (tree_call_nonnegative_warnv_p): New.
14783
14784 2008-04-08  Jan Hubicka  <jh@suse.cz>
14785
14786         * function.c (free_after_compilation): Clear out regno_reg_rtx
14787         pointer.
14788
14789 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
14790
14791         Revert
14792         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14793
14794         PR middle-end/PR28690
14795         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
14796         same precedence as REG_POINTER and MEM_POINTER operands.
14797
14798 2008-04-08  Richard Guenther  <rguenther@suse.de>
14799
14800         PR middle-end/35834
14801         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
14802         for adding index to base.
14803
14804 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
14805
14806         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
14807         (MINGW_ENABLE_EXECUTE_STACK): New.
14808         (IN_LIBGCC2): For libgcc include windows.h file for
14809         function declarations.
14810
14811 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
14812
14813         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
14814         and tem2 if tem1 is not a REG or MULT.
14815
14816 2008-04-08  Jan Hubicka  <jh@suse.cz>
14817
14818         * function.h (incomming_args): Break out of struct function.
14819         (function_subsections): Break out of struct function.
14820         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
14821         return_rtx and hard_reg_initial_vals from struct function.
14822         Kill inl_max_label_num.
14823         (current_function_pops_args, current_function_args_info,
14824         current_function_args_size, current_function_args_size,
14825         current_function_pretend_args_size,
14826         current_function_outgoing_args_size,
14827         current_function_internal_arg_pointer, current_function_return_rtx):
14828         Kill compatibility accestor macros.
14829         * builtins.c (expand_builtin_apply_args_1): Update.
14830         (expand_builtin_next_arg): Update.
14831         * df-scan.c (df_get_call_refs): Update.
14832         * dbxout.c (dbxout_function_end): Update.
14833         * dwarf2out.c (dwarf2out_switch_text_section): Update.
14834         (output_line_info): Update.
14835         (secname_for_decl): Update.
14836         (dwarf2out_var_location): Update.
14837         * function.c (free_after_compilation): Update.
14838         (assign_parm_find_stack_rtl): Update.
14839         (assign_parms): Update.
14840         (expand_dummy_function_end): Update.
14841         (expand_function_end): Update.
14842         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
14843         (expand_call): Update.
14844         (emit_library_call_value_1): Update.
14845         (store_one_arg): Update.
14846         * varasm.c (initialize_cold_section_name): Update.
14847         (unlikely_text_section): Update.
14848         (unlikely_text_section_p): Update.
14849         (assemble_start_function): Update.
14850         (assemble_end_function): Update.
14851         (default_section_type_flags): Update.
14852         (switch_to_section): Update.
14853         * integrate.c (set_decl_abstract_flags): Update.
14854         (get_hard_reg_initial_val): Update.
14855         (has_hard_reg_initial_val): Update.
14856         (allocate_initial_values): Update.
14857         * resource.c (init_resource_info): Update.
14858         * config/alpha/alpha.c (NUM_ARGS): Update.
14859         (direct_return): Update.
14860         (alpha_va_start): Update.
14861         (alpha_sa_size): Update.
14862         (alpha_initial_elimination_offset): Update.
14863         (alpha_expand_prologue): Update.
14864         (alpha_start_function): Update.
14865         (alpha_expand_epilogue): Update.
14866         (unicosmk_initial_elimination_offset):
14867         * config/alpha/alpha.md (call expander): Update.
14868         * config/s390/s390.c (s390_register_info): Update.
14869         (s390_register_info): Update.
14870         (s390_frame_info): Update.
14871         (s390_initial_elimination_offset): Update.
14872         (s390_build_builtin_va_list): Update.
14873         (s390_va_start): Update.
14874         * config/spu/spu.c (direct_return): Update.
14875         (spu_expand_prologue): Update.
14876         (spu_initial_elimination_offset): Update.
14877         (spu_build_builtin_va_list): Update.
14878         (spu_va_start): Update.
14879         * config/sparc/sparc.c (sparc_init_modes): Update.
14880         (sparc_compute_frame_size): Update.
14881         (function_value): Update.
14882         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
14883         * config/i386/i386.md (return expander): Update.
14884         * config/i386/i386.c (ix86_va_start): Update.
14885         (ix86_can_use_return_insn_p): Update.
14886         (ix86_compute_frame_layout): Update.
14887         (ix86_expand_epilogue): Update.
14888         * config/sh/sh.c (output_stack_adjust): Update.
14889         (calc_live_regs): Update.
14890         (sh_expand_prologue): Update.
14891         (sh_builtin_saveregs): Update.
14892         (sh_va_start): Update.
14893         (initial_elimination_offset): Update.
14894         (sh_allocate_initial_value): Update.
14895         (sh_function_ok_for_sibcall): Update.
14896         (sh_get_pr_initial_val): Update.
14897         * config/sh/sh.md (return expander): Update.
14898         * config/avr/avr.c (frame_pointer_required_p): UPdate.
14899         * config/crx/crx.c (crx_compute_frame): UPdate.
14900         (crx_initial_elimination_offset): UPdate.
14901         * config/xtensa/xtensa.c (compute_frame_size): Update
14902         (xtensa_builtin_saveregs): Update.
14903         (xtensa_va_start): Update.
14904         (order_regs_for_local_alloc): Update.
14905         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
14906         (xstormy16_expand_builtin_va_start): Update.
14907         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
14908         * config/m68hc11/m68hc11.md (return expanders): Update.
14909         * config/m68hc11/m68hc11.c (expand_prologue): Update.
14910         (expand_epilogue): Update.
14911         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
14912         (cris_simple_epilogue): Update.
14913         (cris_expand_prologue): Update.
14914         (cris_expand_epilogue): Update.
14915         * config/iq2000/iq2000.c (iq2000_va_start): Update.
14916         (compute_frame_size): Update.
14917         * config/mt/mt.c (mt_compute_frame_size): Update.
14918         * config/mn10300/mn10300.c (expand_prologue): Update.
14919         (expand_epilogue): Update.
14920         (initial_offset): Update.
14921         (mn10300_builtin_saveregs):
14922         * config/mn10300/mn10300.md (return expander): Update.
14923         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
14924         (ia64_initial_elimination_offset): Update.
14925         (ia64_initial_elimination_offset): Update.
14926         (ia64_expand_prologue): Update.
14927         * config/m68k/m68k.md (return expander): Update.
14928         * config/rs6000/rs6000.c (rs6000_va_start): Update.
14929         (rs6000_stack_info): Update.
14930         * config/mcore/mcore.c (layout_mcore_frame): Update.
14931         (mcore_expand_prolog): Update.
14932         * config/arc/arc.c (arc_compute_frame_size): Update.
14933         * config/score/score3.c (score3_compute_frame_size): Update.
14934         * config/score/score7.c (score7_compute_frame_size): Update.
14935         * config/arm/arm.c (use_return_insn): Update.
14936         (thumb_find_work_register): Update.
14937         (arm_compute_save_reg_mask): Update.
14938         (arm_output_function_prologue): Update.
14939         (arm_output_epilogue): Update.
14940         (arm_size_return_regs): Update.
14941         (arm_get_frame_offsets): Update.
14942         (arm_expand_prologue): Update.
14943         (thumb_exit): Update.
14944         (thumb_unexpanded_epilogue): Update.
14945         (thumb1_output_function_prologue): Update.
14946         * config/pa/pa.md (return expander): Update.
14947         * config/pa/pa.c (compute_frame_size): Update.
14948         (hppa_builtin_saveregs): Update.
14949         * config/mips/mips.c (mips_va_start): Update.
14950         (mips16_build_function_stub): Update.
14951         (mips_compute_frame_info): Update.
14952         (mips_restore_gp): Update.
14953         (mips_output_function_prologue): Update.
14954         (mips_expand_prologue): Update.
14955         * config/v850/v850.c (compute_frame_size): Update.
14956         (expand_prologue): * config/mmix/mmix.c (along): update.
14957         (mmix_initial_elimination_offset): update.
14958         (mmix_reorg): update.
14959         (mmix_use_simple_return): update.
14960         (mmix_expand_prologue): update.
14961         (mmix_expand_epilogue): Update.
14962         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
14963         (emit_link_insn): Update.
14964
14965 2008-04-08  Anatoly Sokolov <aesok@post.ru>
14966
14967         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
14968         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
14969         instructions.
14970         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
14971         atmega103 device.
14972
14973 2008-04-07  Jan Hubicka  <jh@suse.cz>
14974
14975         * function.h (rtl): Rename to x_rtl.
14976         (crtl): New define.
14977         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
14978         frame_offset, stack_check_probe_note, arg_pointer_save_area,
14979         used_temp_slots avail_temp_slots, temp_slot_level,
14980         nonlocal_goto_handler_labels): Update accesstors.
14981         (rtl): New global variable.
14982         (struct function): Move some fileds to rtl_data.
14983         (get_arg_pointer_save_area): Update prototype.
14984         * builtins.c (expand_builtin_setjmp_receiver): Update call of
14985         get_arg_pointer_save_area.
14986         * expr.c (init_expr): Update
14987         * function.c (get_frame_size): Update
14988         (assign_stack_local): Update
14989         (expand_function_end): Update.
14990         (get_art_pointer_save_area): Update
14991         * function.h
14992         * emit-rtl.c (rtl): Declare.
14993         (regno_reg_rtx): Declare.
14994         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
14995         Update.
14996         (gen_reg_rtx): Update.
14997         * varasm.c (n_deferred_constatns): Update accestor.
14998         (init_varasm_status): Do not allocate varasm_status.
14999         (force_const_mem, get_pool_size, output_constant_pool): Update.
15000         * stmt.c (force_label_rtx): Do not use x_ prefixes.
15001         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
15002         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
15003         * sparc/sparc.h (INIT_EXPANDERS): Update.
15004         * ia64/ia64.h (INIT_EXPANDERS): Update.
15005
15006 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
15007
15008         * reload.c (push_secondary_reload): Add missing break to for loop.
15009
15010 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
15011
15012         PR middle-end/PR28690
15013         * rtlanal.c: Update copyright years.
15014         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
15015         as REG_POINTER and MEM_POINTER operands.
15016         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
15017         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
15018         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
15019         * gcse.c: Update copyright years.
15020         (pre_delete): Call gen_reg_rtx_and_attrs.
15021         (hoist_code): Likewise.
15022         (build_store_vectors): Likewise.
15023         (delete_store): Likewise.
15024         * loop-invariant.c (move_invariant_reg): Likewise.
15025         Update copyright years.
15026
15027 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
15028
15029         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
15030         control string instead of quoted.
15031
15032 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
15033
15034         * doc/rtl.texi: Rewrite of subreg section.
15035
15036 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
15037
15038         PR/35842
15039         * config/i386/i386.c (legitimize_pic_address): Add treating
15040         of dllimport SYM_REF's.
15041         (legitimize_dllimport_symbol): Add prototype.
15042
15043 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
15044
15045         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
15046         reference in constructor with non self-referential type.
15047
15048 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
15049
15050         Removal of Return with Depressed Stack Pointer support
15051         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
15052         (ECF_SP_DEPRESSED): Likewise.
15053         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
15054         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
15055         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
15056         (expand_call): Do not test ECF_SP_DEPRESSED.
15057         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
15058         * function.c (keep_stack_depressed): Delete.
15059         (handle_epilogue_set): Likewise.
15060         (update_epilogue_consts): Likewise.
15061         (emit_equiv_load): Likewise.
15062         (thread_prologue_and_epilogue_insns): Remove support for Return with
15063         Depressed Stack Pointer.
15064         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
15065
15066 2008-04-06  Richard Guenther  <rguenther@suse.de>
15067
15068         PR tree-optimization/35400
15069         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
15070         information from SSA_NAMEs.
15071
15072 2008-04-06  Anatoly Sokolov <aesok@post.ru>
15073
15074         * config/avr/avr.h (avr_mega_p): Remove declaration.
15075         (AVR_MEGA): Remove macro.
15076         * config/avr/avr.c (avr_mega_p): Remove variable.
15077         (avr_override_options): Remove inicializion of avr_mega_p.
15078         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
15079         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
15080         (avr_jump_mode): (Ditto.).
15081         (avr_output_progmem_section_asm_op): (Ditto.).
15082         (avr_asm_init_sections): (Ditto.).
15083         (avr_asm_init_sections): (Ditto.).
15084         (avr_rtx_costs): (Ditto.).
15085         * config/avr/avr.md: (Ditto.).
15086         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
15087         '__AVR_MEGA__'.
15088
15089 2008-04-06  Richard Guenther  <rguenther@suse.de>
15090
15091         PR tree-optimization/35842
15092         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
15093         is_gimple_invariant_address.
15094
15095 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
15096
15097         * gcc.c (default_compilers): Sync Fortran extensions list with
15098         that in fortran/lang-specs.h.
15099         * doc/invoke.texi: Likewise.
15100         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
15101         * dwarf2out.c (gen_compile_unit_die): Likewise.
15102
15103 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
15104
15105         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
15106
15107 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
15108
15109         PR target/12329
15110         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
15111         attribute is used for nested functions.
15112
15113 2008-04-05  Jan Hubicka  <jh@suse.cz>
15114
15115         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
15116
15117         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
15118         letter argument.
15119         (dump_files): Update.
15120         (enable_rtl_dump_file): Do not accept letter argument.
15121         * tree-pass.h (dump_file_info): Remove letter argument.
15122         * toplev.c (decode_d_option): Update -da handling.
15123         * toplev.h (enable_rtl_dump_file): Update prototype.
15124         * passes.c (register_one_dump_file): Do not accept IPA argument; work
15125         it out based on pass type.
15126         (register_dump_files_1): Likewise.
15127         (init_optimization_passes): Update register_one_dump_file calls.
15128         (execute_one_pass): Sanity check that IPA passes are called at IPA
15129         level and RTL passes at RTL level.
15130         (execute_pass_list): IPA pass can not be after or subpass of
15131         GIMPLE/RTL pass.
15132         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
15133         disallov RTL subpasses of IPA subpasses.
15134
15135 2008-04-05  Ben Elliston  <bje@au.ibm.com>
15136
15137         * tree-cfg.c (need_fake_edge_p): Return false for calls to
15138         builtins that return exactly once and do not throw. Cache call to
15139         call_expr_flags.
15140
15141 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
15142
15143         PR rtl-optimization/34916
15144         PR middle-end/35519
15145         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
15146         between instruction pairs.
15147
15148 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
15149
15150         * doc/invoke.texi: Document -mbitops for SH.
15151         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
15152         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
15153         * config/sh/sh.c (print_operand): Add %t operand code.
15154         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
15155         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
15156         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
15157         (extendqihi2): Likewise.
15158         (movqi_i): Likewise.
15159         (insv): Use bset, bclr and bst instructions for SH2A if possible.
15160         (extv): Use bld instruction for SH2A if possible.
15161         (extzv): Likewise.
15162         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
15163         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
15164         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
15165         (bset.b, bclr.b): Define peepholes.
15166         * config/sh/sh.opt (mbitops): New option.
15167
15168 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
15169
15170         PR target/35620
15171         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
15172         and view convert expression.
15173
15174 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
15175
15176         PR target/35364
15177         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
15178
15179 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
15180
15181         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
15182
15183         * config/i386/cpuid.h (bit_AES): New.
15184         (bit_PCLMUL): Likewise.
15185
15186         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
15187         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
15188         SSE2 if AES or PCLMUL is enabled.
15189         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
15190         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
15191         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
15192         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
15193         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
15194         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
15195         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
15196         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
15197         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
15198         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
15199         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
15200         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
15201         __builtin_ia32_aeskeygenassist128 and
15202         __builtin_ia32_pclmulqdq128.
15203         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
15204         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
15205         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
15206
15207         * config/i386/i386.h (TARGET_AES): New.
15208         (TARGET_PCLMUL): Likewise.
15209         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
15210
15211         * config/i386/i386.md (UNSPEC_AESENC): New.
15212         (UNSPEC_AESENCLAST): Likewise.
15213         (UNSPEC_AESDEC): Likewise.
15214         (UNSPEC_AESDECLAST): Likewise.
15215         (UNSPEC_AESIMC): Likewise.
15216         (UNSPEC_AESKEYGENASSIST): Likewise.
15217         (UNSPEC_PCLMUL): Likewise.
15218
15219         * config/i386/i386.opt (maes): New.
15220         (mpclmul): Likewise.
15221
15222         * config/i386/sse.md (aesenc): New pattern.
15223         (aesenclast): Likewise.
15224         (aesdec): Likewise.
15225         (aesdeclast): Likewise.
15226         (aesimc): Likewise.
15227         (aeskeygenassist): Likewise.
15228         (pclmulqdq): Likewise.
15229
15230         * config/i386/wmmintrin.h: New.
15231
15232         * doc/extend.texi: Document AES and PCLMUL built-in function.
15233
15234         * doc/invoke.texi: Document -maes and -mpclmul.
15235
15236 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
15237
15238         * function.c (free_after_parsing): Replace with
15239         cxx_push_function_context from C++ front-end.
15240         (allocate_struct_function): Don't call langhook.
15241         * langhooks.h (struct lang_hooks_for_functions): Delete.
15242         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
15243         member "function".
15244         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
15245         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
15246         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
15247         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
15248         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
15249         remove LANG_HOOKS_FUNCTION_INITIALIZER.
15250         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
15251
15252         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
15253         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
15254
15255 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
15256
15257         PR c/35440
15258         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
15259         for all types.
15260
15261 2008-04-04  Richard Guenther  <rguenther@suse.de>
15262
15263         PR middle-end/35823
15264         * fold-const.c (optimize_minmax_comparison): Use the correct
15265         type for the constant in the simplified comparison.
15266
15267 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
15268
15269         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
15270         Pass L2 size as "--param l2-cache-size" to the compiler.
15271         (decode_l2_cache): New function to decode L2 cache parameters using
15272         0x8000006 extended cpuid function.
15273         (detect_caches_amd): Determine parameters of L2 cache using
15274         decode_l2_caches function.
15275         (decode_caches_intel): Decode L2 cache parameters.
15276         (detect_caches_intel): Determine L2 cache parameters using
15277         decode_caches_intel and decode_l2_caches functions.
15278
15279 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
15280
15281         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
15282         secondary input reload for subword loads from the constant pool.
15283
15284 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
15285
15286         PR target/35713
15287         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
15288           constants of the appropriate size for runtime calculations.
15289
15290         PR c/35712
15291         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
15292           decimal-float literal constant zero.
15293
15294 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
15295
15296         PR c/35738
15297         * c-parser.c (c_parser_omp_atomic): Call
15298         default_function_array_conversion on the RHS.
15299
15300         PR middle-end/35818
15301         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
15302         call is_variable_sized if decl has incomplete type.
15303
15304 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
15305
15306         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
15307
15308 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
15309
15310         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
15311         iterators.
15312         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
15313         (sgt<u>): Merge sgt and sgtu into new expander.
15314         (sgt, sgtu): Remove expanders.
15315         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
15316         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
15317         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
15318         *sgtu_<mode>_mips16 into new pattern.
15319         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
15320         (sge<u>): Merge sge and sgeu into new expander.
15321         (sge, sgeu): Remove expanders.
15322         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
15323         new pattern.
15324         (*sge_<mode>, second *sge_<mode>): Remove patterns.
15325         (slt<u>): Merge slt and sltu into new expander.
15326         (slt, sltu): Remove expanders.
15327         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
15328         (*slt_<mode>, *sltu_<mode>): Remove patterns.
15329         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
15330         *sltu_<mode>_mips16 into new pattern.
15331         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
15332         (sle<u>): Merge sle and sleu into new expander.
15333         (sle, sleu): Remove expanders.
15334         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
15335         (*sle_<mode>, *sleu_<mode>): Remove patterns.
15336         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
15337         *sleu_<mode>_mips16 into new pattern.
15338         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
15339
15340 2008-04-03  Jan Hubicka  <jh@suse.cz>
15341
15342         PR tree-optimization/35795
15343         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
15344         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
15345         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
15346         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
15347         * score/score3.c (score3_output_mi_thunk): Likewise.
15348         * score/score7.c (score7_output_mi_thunk): Likewise.
15349         * mips/mips.c (mips_output_mi_thunk): Likewise.
15350
15351 2008-04-03  Richard Guenther  <rguenther@suse.de>
15352
15353         * tree-vrp.c (extract_range_from_unary_expr): Handle all
15354         conversions.  Simplify code.
15355
15356 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
15357
15358         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
15359
15360 2008-04-03  Tom Tromey  <tromey@redhat.com>
15361             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15362
15363         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
15364         * config/bfin/t-bfin-linux (generated_files): Add
15365         linux-sysroot-suffix.h.
15366         * doc/install.texi (Prerequisites): Require make 3.80.
15367         * doc/sourcebuild.texi (Front End Directory): Document new
15368         variable.
15369         * Makefile.in (generated_files): New variable.
15370         (ALL_HOST_OBJS): New variable.
15371         ($(ALL_HOST_OBJS)): New target.
15372
15373 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
15374
15375         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
15376         (remap_block): Call id->transform_lang_insert_block instead
15377         of langhook.
15378         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
15379         Set id.transform_lang_insert_block to NULL.
15380         (clone_body): Move to cp/optimize.c
15381         * tree-inline.h (struct copy_body_data): Change
15382         transform_lang_insert_block to function pointer.
15383         (copy_generic_body, copy_decl_no_change): Export.
15384         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
15385         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
15386         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
15387
15388         * c-tree.h (insert_block): Kill.
15389         * c-decl.c (insert_block): Kill.
15390
15391 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
15392
15393         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
15394         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
15395         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
15396         argument.
15397         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
15398         argument, call {push,pop}_function_context from here.
15399         * c-parser.c: Use c_{push,pop}_function_context.
15400
15401         * function.c (push_function_context_to): Move meat ...
15402         (push_function_context): ... here.  Simplify.
15403         * function.c (pop_function_context_from): Move meat ...
15404         (pop_function_context): ... here.  Simplify.
15405         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
15406         leave_nested).
15407         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
15408         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
15409         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
15410         * tree.h (push_function_context_to, pop_function_context_from): Remove.
15411
15412 2008-04-03  Ben Elliston  <bje@au.ibm.com>
15413
15414         * expmed.c (extract_force_align_mem_bit_field): Remove.
15415
15416 2008-04-03  Richard Guenther  <rguenther@suse.de>
15417
15418         PR middle-end/35800
15419         * expr.h (try_casesi): Adjust prototype.
15420         * expr.c (try_casesi): Take fallback label as extra parameter.
15421         Use that for gen_casesi if default_label is NULL.
15422         * stmt.c (expand_case): Pass fallback label to try_casesi,
15423         make sure to fill gaps with a fallback label if default_label
15424         is not present.
15425
15426 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
15427
15428         PR target/35801
15429         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
15430
15431 2008-04-03  Ben Elliston  <bje@au.ibm.com>
15432
15433         * expmed.c (extract_split_bit_field): Remove if (0) code.
15434         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
15435         (do_ds_constraint): Likewise.
15436
15437 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
15438
15439         * doc/cppopts.texi (-dU): Document.
15440         * c-common.h (flag_dump_macros): Update comment.
15441         * c-opts.c (handle_OPT_d): Handle -dU.
15442         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
15443         dump_queued_macros, cb_used_define, cb_used_undef): New.
15444         (init_pp_output): Handle -dU.
15445         (cb_line_change): Call dump_queued_macros.
15446         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
15447
15448 2008-04-02  Anatoly Sokolov <aesok@post.ru>
15449
15450         * config/avr/predicates.md (io_address_operand): New predicate.
15451         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
15452         * config/avr/avr.c (avr_io_address_p): Remove function.
15453         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
15454         'avr_io_address_p' function.
15455         (out_movhi_r_mr): (Ditto.).
15456         (out_movqi_mr_r): (Ditto.).
15457         (out_movhi_mr_r): (Ditto.).
15458         (avr_address_cost): (Ditto.).
15459
15460 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
15461
15462         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
15463         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
15464         in 32bit mode when XMM registers are available to avoid store
15465         forwarding stalls.
15466         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
15467         corresponding post-reload splitters.
15468
15469 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
15470
15471         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
15472         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
15473         __builtin_ia32_roundss.
15474         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
15475         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
15476         __builtin_ia32_roundss.
15477         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
15478         IX86_BUILTIN_SHUFPD here.
15479
15480 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
15481
15482         * config/i386/i386.md (plogic): New.
15483         (plogicprefix): Likewise.
15484
15485         * config/i386/mmx.md (mmx_<code><mode>3): New.
15486         (mmx_and<mode>3): Removed.
15487         (mmx_ior<mode>3): Likewise.
15488         (mmx_xor<mode>3): Likewise.
15489
15490         * config/i386/sse.md (<code><mode>3): New.
15491         (*<code><mode>3): Likewise.
15492         (*<code><mode>3): Likewise.
15493         (<code><mode>3): Likewise.
15494         (*sse_<code><mode>3): Likewise.
15495         (*sse2_<code><mode>3): Likewise.
15496         (<code>tf3): Likewise.
15497         (*<code>tf3): Likewise.
15498         (and<mode>3): Likewise.
15499         (*and<mode>3): Likewise.
15500         (ior<mode>3): Removed.
15501         (*ior<mode>3): Likewise.
15502         (xor<mode>3): Likewise.
15503         (*xor<mode>3): Likewise.
15504         (*and<mode>3): Likewise.
15505         (*ior<mode>3): Likewise.
15506         (*xor<mode>3): Likewise.
15507         (and<mode>3): Likewise.
15508         (*sse_and<mode>3): Likewise.
15509         (*sse2_and<mode>3): Likewise.
15510         (andtf3): Likewise.
15511         (*andtf3): Likewise.
15512         (ior<mode>3): Likewise.
15513         (*sse_ior<mode>3): Likewise.
15514         (*sse2_ior<mode>3): Likewise.
15515         (iortf3): Likewise.
15516         (*iortf3): Likewise.
15517         (xor<mode>3): Likewise.
15518         (*sse_xor<mode>3): Likewise.
15519         (*sse2_xor<mode>3): Likewise.
15520         (xortf3): Likewise.
15521         (*xortf3): Likewise.
15522
15523 2008-04-02  Richard Guenther  <rguenther@suse.de>
15524
15525         PR tree-optimization/14495
15526         PR tree-optimization/34793
15527         * tree-vrp.c (struct switch_update): New structure.
15528         (to_remove_edges, to_update_switch_stmts): New VECs.
15529         (simplify_switch_using_ranges): New function.  Remove not taken
15530         case labels and edges.
15531         (simplify_stmt_using_ranges): Call it.
15532         (identify_jump_threads): Mark edges we have queued for removal
15533         so we don't thread them.
15534         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
15535         case label vector.
15536         * tree-cfg.c (group_case_labels): Deal with missing default label.
15537         (tree_verify_flow_info): Allow missing default label.
15538         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
15539         (emit_case_nodes): Likewise.
15540         (expand_case): Do not rely on the default label to be present.
15541         * expr.c (try_casesi): Deal with NULL default_label.
15542         (do_tablejump): Likewise.
15543
15544 2008-04-02  Richard Guenther  <rguenther@suse.de>
15545
15546         PR tree-optimization/14495
15547         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
15548         SWITCH_EXPR here ...
15549         (vrp_visit_switch_stmt): ... but here (new function).
15550         (find_case_label_index): New helper function.
15551         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
15552
15553 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15554
15555         * fwprop.c: Fix ISO-C99ism.
15556
15557 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15558
15559         PR bootstrap/35752
15560         * Makefile.in (objdir): Set it here.
15561         * configure.ac: Not here.  Find dynamic linker characteristics.
15562         * exec-tool.in: Use them.
15563         * aclocal.m4: Regenerate.
15564         * configure: Regenerate.
15565
15566 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15567
15568         * expr.c (expand_var): Delete it.
15569         * expr.h (expand_var): Delete prototype.
15570         * function.c (expand_function_start): Use expand_decl instead.
15571         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
15572         langhook.
15573
15574 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
15575
15576         PR rtl-optimization/35542
15577         * fwprop.c (forward_propagate_and_simplify): Replace
15578         loc_reg_mentioned_in_p with reg_mentioned_p.
15579
15580 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15581
15582         PR rtl-optimization/35281
15583         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
15584         (propagate_rtx_1): Handle PR_HANDLE_MEM.
15585         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
15586         (varying_mem_p): Move above propagate_rtx.
15587         (all_uses_available_at): Do not check MEMs.
15588
15589 2008-04-02  Rafael Espindola  <espindola@google.com>
15590
15591         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
15592         (register_edge_assert_for_2): Split the cond argument.
15593         (register_edge_assert_for_1): Adjust for the change in
15594         register_edge_assert_for_2.
15595         (register_edge_assert_for): Split the cond argument.
15596         (find_switch_asserts): Adjust for the change in
15597         register_edge_assert_for.
15598
15599 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
15600
15601         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
15602         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
15603         offsets for 64-bit mingw.
15604         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
15605         abi for x86_64-pc-mingw.
15606
15607 2008-04-02  Richard Guenther  <rguenther@suse.de>
15608
15609         * tree-vrp.c (extract_range_from_assert): Make sure to not
15610         produce range min/max with TREE_OVERFOW set.
15611         If merging a anti-range and a range keep the anti-range if
15612         the range covers all values of the type.
15613         (register_edge_assert_for_2): Only allow sign-changing
15614         conversions in detecting canonical range checks.  Also
15615         register an assert for the unsigned name if useful.
15616
15617         PR tree-optimization/35787
15618         * tree-vrp.c (vrp_val_max): New function.
15619         (vrp_val_min): Likewise.
15620         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
15621         (vrp_val_is_min): Likewise.
15622         (supports_overflow_infinity): Use vrp_val_{min,max}.
15623         (negative_overflow_infinity): Likewise.
15624         (positive_overflow_infinity): Likewise.
15625         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
15626         (is_positive_overflow_infinity): Likewise.
15627         (is_overflow_infinity): Likewise.
15628         (avoid_overflow_infinity): Use vrp_val_{min,max} and
15629         vrp_val_is_{min,max}.
15630         (set_and_canonicalize_value_range): Canonicalize anti-ranges
15631         to ranges if possible.  Avoid empty ranges.
15632
15633 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15634
15635         PR middle-end/35705
15636         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
15637         the expression is a function address.
15638
15639 2008-04-01  George Helffrich  <george@gcc.gnu.org>
15640
15641         PR fortran/35154, fortran/23057
15642         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
15643         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
15644         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
15645         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
15646         in common.
15647         (dbxout_syms): Check for COMMON-based symbol and wrap in
15648         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
15649         in bracket for efficiency.
15650
15651         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
15652         using DW_TAG_common_block + member offset.
15653         (add_pubname_string): New function.
15654         (dw_expand_expr): New function to find block name and offset for
15655         COMMON var.
15656         (common_check): New function to check whether symbol in Fortran COMMON.
15657         (gen_variable_die): If COMMON, use DW_TAG_common_block.
15658
15659 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
15660
15661         PR c/35436
15662         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
15663
15664 2008-04-02  Ben Elliston  <bje@au.ibm.com>
15665
15666         * config/v850/v850.md (casesi): Remove if (0) code.
15667         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
15668         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
15669
15670 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
15671
15672         * config/i386/i386.md (rex64suffix): New mode attribute.
15673         (floathi<mode>2): Disable expander for SSE math.
15674         (*floathi<mode>2_1): New insn insn_and_split pattern.
15675         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
15676         corresponding post-reload splitters.
15677         (*floathi<mode>2_i387): New macroized insn pattern.
15678         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
15679         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
15680         insn_and_split pattern.
15681         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
15682         New macroized instruction patterns and corresponding post-reload
15683         splitters.
15684         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
15685         and corresponding post-reload splitters.
15686         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
15687         New macroized instruction patterns.
15688         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
15689         macroized instruction patterns and corresponding post-reload splitters.
15690         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
15691         corresponding post-reload splitters.
15692         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
15693         New macroized instruction patterns.
15694         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
15695         corresponding post-reload splitters.
15696         (*floatsi<mode>2_i387): New macroized instruction patterns.
15697
15698 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
15699
15700         * config/i386/i386.md (smaxmin): New.
15701         (umaxmin): Likewise.
15702         (maxminiprefix): Likewise.
15703         (maxminfprefix): Likewise.
15704         (<code><mode>3): Likewise.
15705         (smin<mode>3): Removed.
15706         (smax<mode>3): Likewise.
15707
15708         * config/i386/mmx.md (mmx_<code>v2sf3): New.
15709         (mmx_<code>v4hi3): Likewise.
15710         (mmx_<code>v8qi3): Likewise.
15711         (mmx_smaxv2sf3): Removed.
15712         (mmx_sminv2sf3): Likewise.
15713         (mmx_umaxv8qi3): Likewise.
15714         (mmx_smaxv4hi3): Likewise.
15715         (mmx_uminv8qi3): Likewise.
15716         (mmx_sminv4hi3): Likewise.
15717
15718         * config/i386/sse.md (<addsub><mode>3): New.
15719         (*<addsub><mode>3): Likewise.
15720         (<sse>_vm<addsub><mode>3): Likewise.
15721         (<maxmin><mode>3): Likewise.
15722         (*<maxmin><mode>3_finite): Likewise.
15723         (*<maxmin><mode>3): Likewise.
15724         (<sse>_vm<maxmin><mode>3): Likewise.
15725         (sse3_h<addsub>v4sf3): Likewise.
15726         (sse3_h<addsub>v2df3): Likewise.
15727         (<maxmin>v16qi3): Likewise.
15728         (*<maxmin>v16qi3): Likewise.
15729         (<maxmin>v8hi3): Likewise.
15730         (*<maxmin>v8hi3): Likewise.
15731         (*sse4_1_<maxmin><mode>3): Likewise.
15732         (*sse4_1_<maxmin><mode>3): Likewise.
15733         (add<mode>3): Removed.
15734         (*add<mode>3): Likewise.
15735         (<sse>_vmadd<mode>3): Likewise.
15736         (sub<mode>3): Likewise.
15737         (*sub<mode>3): Likewise.
15738         (<sse>_vmsub<mode>3): Likewise.
15739         (smin<mode>3): Likewise.
15740         (*smin<mode>3_finite): Likewise.
15741         (*smin<mode>3): Likewise.
15742         (<sse>_vmsmin<mode>3): Likewise.
15743         (smax<mode>3): Likewise.
15744         (*smax<mode>3_finite): Likewise.
15745         (*smax<mode>3): Likewise.
15746         (<sse>_vmsmax<mode>3): Likewise.
15747         (sse3_haddv4sf3): Likewise.
15748         (sse3_haddv2df3): Likewise.
15749         (sse3_hsubv4sf3): Likewise.
15750         (sse3_hsubv2df3): Likewise.
15751         (umaxv16qi3): Likewise.
15752         (*umaxv16qi3): Likewise.
15753         (smaxv8hi3): Likewise.
15754         (*smaxv8hi3): Likewise.
15755         (*sse4_1_smax<mode>3): Likewise.
15756         (*sse4_1_umax<mode>3): Likewise.
15757         (uminv16qi3): Likewise.
15758         (*uminv16qi3): Likewise.
15759         (sminv8hi3): Likewise.
15760         (*sminv8hi3): Likewise.
15761         (*sse4_1_smin<mode>3): Likewise.
15762         (*sse4_1_umin<mode>3): Likewise.
15763
15764 2008-04-01  Rafael Espindola  <espindola@google.com>
15765
15766         * tree-cfg.c (verify_expr): remove in_phi.
15767         (verify_stmt): Don't call walk_tree with verify_expr. Use
15768         is_gimple_min_invariant instead of is_gimple_val.
15769
15770 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
15771
15772         * doc/include/gpl_v3.texi: Update for manpage generation.
15773         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
15774         gpl.texi.
15775         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
15776         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
15777         gpl_v3.texi instead of gpl.texi.
15778         (gpl.pod): New.
15779
15780 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
15781
15782         PR pch/13675
15783         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
15784
15785 2008-04-01  Rafael Espindola  <espindola@google.com>
15786
15787         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
15788         (extract_code_and_val_from_cond): Use
15789         extract_code_and_val_from_cond_with_ops.
15790
15791 2008-04-01  Jan Hubicka  <jh@suse.cz>
15792
15793         * function.c (free_after_compilation): Free epilogue_delay_list.
15794         (prepare_function_start): Assert that previous compilation was freed.
15795
15796 2008-04-01  Jan Hubicka  <jh@suse.cz>
15797             Jim Wilson  <wilson@tuliptree.org>
15798             Andreas Tobler <andreast@gcc.gnu.org>
15799
15800         PR middle-end/35781
15801         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
15802         rtl.emit instead cfun->emit.
15803         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
15804         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
15805
15806 2008-04-01  Ben Elliston  <bje@au.ibm.com>
15807
15808         * doc/c-tree.texi (Function Basics): Fix grammatical error.
15809
15810 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
15811
15812         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
15813         New options
15814         (fprofile-use): Add var flag_profile_use
15815         * coverage.c (coverage_begin_output): Do not open a gcno file for
15816         output only if -ftest-coverage is set.
15817         Do not add getpwd() to gcda file path.
15818         (build_gcov_info): Check the new flag
15819         flag_profile_datafile_relative_path.
15820         (coverage_init): Use profile_data_prefix.
15821         Read profile counter only if flag_profile_use is set.
15822         * opts.c (common_handle_option): New option fprofile-use=,
15823         fprofile-dir=, fprofile-generate=.
15824         * toplev.c (profile_data_prefix): New variable definition.
15825         * toplev.h (profile_data_prefix): New declaration.
15826         * doc/invoke.tex (Option Summary, Optimization Options):
15827         Add new options.
15828
15829 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
15830
15831         * varasm.c (output_constant_pool_1): In LABEL_REF check,
15832         use tmp consistently.
15833
15834         PR target/35695
15835         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
15836         * config/ia64/ia64.c (rtx_needs_barrier): Handle
15837         UNSPEC_FR_RECIP_APPROX_RES.
15838         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
15839
15840 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
15841
15842         PR c/35750
15843         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
15844
15845 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15846
15847         PR middle-end/30186
15848         * fold-const.c (fold_indirect_ref_1): Support accessing non first
15849         element of the vector via a pointer.
15850
15851 2008-03-31  Ian Lance Taylor  <iant@google.com>
15852
15853         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
15854
15855 2008-03-31  Jan Hubicka  <jh@suse.cz>
15856
15857         * builtins.c (expand_builtin_setjmp_receiver): Update call of
15858         get_arg_pointer_save_area.
15859         * expr.c (init_expr): Just clear out rtl.expr.
15860         * function.c (free_after_compilation): Clear out whole RTL structure.
15861         (get_func_frame_size): Merge into ...
15862         (get_frame_size): ... this one.
15863         (assign_stack_local_1): Merge into ...
15864         (assign_stack_local): ... this one.
15865         (expand_function_end): Update call of get_arg_pointer_save_area.
15866         (get_art_pointer_save_area): Remove cfun argument.
15867         * function.h (emit_status): regno_pointer_align does not need length
15868         attribute. Move x_regno_reg_rtx to ...
15869         (regno_reg_rtx): ... new global array.
15870         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
15871         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
15872         apply_args_value, forced_labels, stack_pointer_delta):
15873         Update accestors.
15874         (struct varasm_status): Move here from varasm.c
15875         (struct rtl_data): New. Move here some fields from struct function.
15876         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
15877         frame_offset, stack_check_probe_note, arg_pointer_save_area,
15878         used_temp_slots avail_temp_slots, temp_slot_level,
15879         nonlocal_goto_handler_labels): Update accesstors.
15880         (rtl): New global variable.
15881         (struct function): Move some fileds to rtl_data.
15882         (get_arg_pointer_save_area): Update prototype.
15883         * emit-rtl.c (rtl): Declare.
15884         (regno_reg_rtx): Declare.
15885         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
15886         Update.
15887         (gen_reg_rtx): Update.
15888         (init_virtual_regs): Do not tate emit_status argument.
15889         (init_emit): Do not allocate emit.
15890         * varasm.c (varasm_statuc): Move to function.h.
15891         (n_deferred_constatns): Update accestor.
15892         (init_varasm_status): Do not allocate varasm_status.
15893         (force_const_mem, get_pool_size, output_constant_pool): Update.
15894         * stmt.c (force_label_rtx): Do not use x_ prefixes.
15895         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
15896
15897 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
15898
15899         PR rtl-optimization/35729
15900         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
15901         references.
15902
15903 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
15904
15905         PR target/32000
15906         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
15907         load/store if memory is unaligned.
15908         (*movti_rex64): Likewise.
15909
15910         * config/i386/predicates.md (misaligned_operand): New.
15911
15912 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
15913
15914         PR tree-opt/35431
15915         * tree-ssa-phiopt.c (conditional_replacement): Return early for
15916         complex types.
15917
15918 2008-03-31  Jan Beulich  <jbeulich@novell.com>
15919
15920         * config/ia64/constraints.md: Add 'j' constraint.
15921         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
15922         (movdi_internal): Likewise.
15923
15924 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
15925
15926         PR c/35748
15927         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
15928
15929 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
15930
15931         PR target/35757
15932         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
15933         proper error message for the third argument on blendpd and
15934         blendps.
15935
15936         * config/i386/sse.md (blendbits): New.
15937         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
15938
15939 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
15940
15941         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
15942
15943 2008-03-30  Richard Guenther  <rguenther@suse.de>
15944
15945         PR middle-end/31023
15946         * fold-const.c (fold_sign_changed_comparison): Do leave
15947         conversions to base-types alone.
15948
15949 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15950
15951         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
15952         the link register if one altivec register is be saved.
15953
15954 2008-03-30  Ben Elliston  <bje@au.ibm.com>
15955
15956         * final.c (final_scan_insn): Remove if (0) code.
15957
15958 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
15959
15960         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
15961
15962 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
15963
15964         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
15965         of V4SFmode to ix86_binary_operator_ok.
15966
15967 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
15968
15969         * config/i386/i386.c (override_options): Initialize
15970         ix86_veclib_handler to ix86_veclibabi_svml when
15971         -mveclibabi=svml is used.
15972         (ix86_veclibabi_svml): New function for SVML ABI style
15973         vectorization support.
15974         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
15975
15976 2008-03-28  Rafael Espindola  <espindola@google.com>
15977
15978         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
15979         (tree_binary_nonnegative_warnv_p): Make it public.
15980         (tree_single_nonnegative_warnv_p): Make it public.
15981         (tree_invalid_nonnegative_warnv_p): Make it public.
15982         (tree_unary_nonzero_warnv_p): Make it public.
15983         (tree_binary_nonzero_warnv_p): Make it public
15984         (tree_single_nonzero_warnv_p): Make it public.
15985         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
15986         (extract_range_from_binary_expr): Split the expr argument.
15987         (extract_range_from_unary_expr): Split the expr argument.
15988         (extract_range_from_comparison): Split the expr argument.
15989         (extract_range_from_expr): Use the new aux functions.
15990         (vrp_evaluate_conditional_warnv): Use
15991         vrp_evaluate_conditional_warnv_with_ops.
15992         * tree.h (tree_unary_nonzero_warnv_p): Declare.
15993         (tree_binary_nonzero_warnv_p): Declare.
15994         (tree_single_nonzero_warnv_p): Declare.
15995         (tree_expr_nonzero_warnv_p): Declare.
15996         (tree_unary_nonnegative_warnv_p): Declare.
15997         (tree_binary_nonnegative_warnv_p): Declare.
15998         (tree_single_nonnegative_warnv_p): Declare.
15999         (tree_invalid_nonnegative_warnv_p): Declare.
16000
16001 2008-03-28  Richard Guenther  <rguenther@suse.de>
16002
16003         PR tree-optimization/30317
16004         PR tree-optimization/30911
16005         PR tree-optimization/34793
16006         * tree-vrp.c (set_and_canonicalize_value_range): New function.
16007         (struct assert_locus_d): New member EXPR.
16008         (register_new_assert_for): Add EXPR parameter to support
16009         ASSERT_EXPR <name, expr OP limit>.
16010         (register_edge_assert_for_1): Adjust callers.
16011         (find_assert_locations): Likewise.
16012         (process_assert_insertions_for): Build condition from expression.
16013         (extract_range_from_assert): Handle ASSERT_EXPRs
16014         of the form ASSERT_EXPR <name, expr OP limit>.
16015         (register_edge_assert_for_2): New helper registering
16016         asserts for comparisons.  Recognize range tests of the form
16017         (unsigned)i - CST1 OP CST2.
16018         (register_edge_assert_for_1): Use it.
16019         (register_edge_assert_for): Likewise.
16020         (needs_overflow_infinity): Integer sub-types
16021         do not need overflow infinities.
16022         (vrp_val_is_max): The extreme values of integer sub-types
16023         are those of the base type.
16024         (vrp_val_is_min): Likewise.
16025         * tree.def (ASSERT_EXPR): Document extra allowed conditional
16026         expressions.
16027
16028 2008-03-28  Nick Clifton  <nickc@redhat.com>
16029
16030         PR target/31110
16031         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
16032         Return GENERAL_REGS for stack adjustment reloads.
16033
16034 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16035
16036         PR target/31334
16037         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
16038         const_vector when all the vectors are constant.
16039
16040 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
16041
16042         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
16043         comparisons.
16044         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
16045         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
16046         (scc_sf): New.
16047         (s<code>_sf): Use new scc_sf attribute for opcode names.
16048
16049 2008-03-27  Tom Tromey  <tromey@redhat.com>
16050
16051         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
16052         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
16053         config/spu/t-spu-elf, config/i386/t-interix,
16054         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
16055         config/i386/x-darwin, config/i386/x-mingw32,
16056         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
16057         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
16058         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
16059         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
16060         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
16061         config/rs6000/x-darwin, config/rs6000/t-rs6000,
16062         config/score/t-score-elf, config/arm/t-strongarm-pe,
16063         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
16064         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
16065         Revert automatic dependency patch.
16066
16067 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
16068
16069         PR target/35657
16070         * config/i386/i386.c (ix86_function_arg_boundary): Align
16071         decimal floating point to its natural boundary.
16072
16073 2008-03-27  Richard Guenther  <rguenther@suse.de>
16074
16075         PR middle-end/35716
16076         * fold-const.c (fold_comparison): Restrict distinct decl
16077         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
16078         solely rely on operand_equal_p.
16079
16080 2008-03-27  Richard Guenther  <rguenther@suse.de>
16081
16082         PR c/32511
16083         * c-common.c (handle_weak_attribute): Reject combination of
16084         weak and inline.
16085
16086 2008-03-27  Richard Guenther  <rguenther@suse.de>
16087
16088         PR tree-optimization/32810
16089         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
16090         conversions from DECL_INITIAL.
16091         (fold_const_aggregate_ref): Likewise from constructor elements.
16092
16093 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
16094
16095         * tree-affine.h (aff_combination_expand): Declare.
16096         (get_inner_reference_aff): Likewise.
16097         * tree-affine.c (aff_combination_expand): Split out from
16098         tree_to_aff_combination_expand.
16099         (get_inner_reference_aff): New function.
16100         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
16101         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
16102         (struct lim_aux_data): sm_done field removed.
16103         (mem_ref_loc_p, mem_ref_locs_p): New types.
16104         (struct mem_ref): Added id, stored, accesses_in_loop,
16105         indep_loop, dep_loop, indep_ref, dep_ref fields.
16106         Removed is_stored, locs and next fields.
16107         (memory_accesses): New variable.
16108         (movement_possibility): Do not allow moving statements
16109         that store to memory.
16110         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
16111         New functions.
16112         (determine_max_movement): For statements with memory references,
16113         find the outermost loop in that the reference is independent.
16114         (move_computations_stmt): Mark the virtual operands for renaming.
16115         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
16116         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
16117         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
16118         add_vop_ref_mapping, create_vop_ref_mapping_loop,
16119         create_vop_ref_mapping, analyze_memory_references,
16120         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
16121         get_all_locs_in_loop, ref_always_accessed_p,
16122         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
16123         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
16124         store_motion_loop, store_motion): New functions.
16125         (struct vop_to_refs_elt): New type.
16126         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
16127         memref_hash, memref_eq, hoist_memory_references): Rewritten.
16128         (schedule_sm): Replaced by...
16129         (execute_sm): ... this.
16130         (determine_lsm_ref, hoist_memory_references,
16131         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
16132         find_more_ref_vops, free_mem_ref, free_mem_refs,
16133         determine_lsm_loop, determine_lsm): Removed.
16134         (tree_ssa_lim_finalize): Free data structures used by store motion.
16135         (tree_ssa_lim): Call analyze_memory_references.  Use
16136         store_motion instead of determine_lsm.
16137
16138 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
16139
16140         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
16141         rename tmake_file to m68hc11/t-m68hc11.
16142         (mcore): Set inhibit_libc to true.
16143         * config.host (alpha*-dec-*vms*): Set extra_programs.
16144         (interix3*): Don't use host_xmake_file.
16145         * configure.ac: Let config.gcc override inhibit_libc.
16146         * configure: Regenerate.
16147
16148         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
16149         * config/t-openbsd-thread: Remove commented out lines.
16150
16151         * config/x-interix: Remove.
16152
16153         * config/m68hc11/t-m68hc11-gas: Rename to...
16154         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
16155
16156         * config/mcore/t-mcore: Remove T_CFLAGS.
16157         * config/mcore/t-mcore-pe: Likewise.
16158
16159 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
16160
16161         * configure.ac: Replace custom __GNU_SOURCE test with
16162         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
16163         * aclocal.m4: Regenerate.
16164         * configure: Regenerate.
16165         * config.in: Regenerate.
16166
16167 2008-03-27  Richard Guenther  <rguenther@suse.de>
16168
16169         * fold-const.c (target.h): Include.
16170         (fold_comparison): Fold comparison of addresses of decls
16171         that bind locally or of constants.  Consolidate address folding code.
16172         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
16173         results from fold_binary_to_constant.
16174         (compare_values_warnv): Likewise.
16175
16176 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
16177
16178         PR middle-end/35429
16179         * fold-const.c (fold_truthop): Check for integeral types when folding
16180         a == 0 && b == 0 and a != 0 || b != 0 .
16181
16182 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
16183
16184         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
16185
16186 2008-03-26  Andreas Schwab  <schwab@suse.de>
16187
16188         * doc/invoke.texi: Fix use of @item vs. @itemx.
16189
16190 2008-03-26  Tom Tromey  <tromey@redhat.com>
16191
16192         * Makefile.in (build/gensupport.o, build/print-rtl.o,
16193         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
16194         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
16195         build/gencodes.o, build/genconditions.o, build/genconfig.o,
16196         build/genconstants.o, build/genemit.o, build/genextract.o,
16197         build/genflags.o, build/genmddeps.o, build/genopinit.o,
16198         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
16199         options.h.
16200
16201 2008-03-26  Richard Guenther  <rguenther@suse.de>
16202
16203         Revert
16204         2008-03-26  Richard Guenther  <rguenther@suse.de>
16205
16206         * fold-const.c (target.h): Include.
16207         (fold_comparison): Fold comparison of addresses of two decls
16208         that bind locally.  Consolidate address folding code.
16209
16210 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16211
16212         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
16213         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
16214         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
16215         dconstsqrt2, dconstthird, dconste and/or dconst10.
16216         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
16217         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
16218         dconstsqrt2, dconste): Delete.
16219         (init_emit_once): Likewise.  Simplify initializing dconstm1.
16220         Constify variable.
16221         * real.c (get_real_const): New.
16222         * real.h (dconst3, dconst10, dconstm2, dconstthird,
16223         dconstsqrt2, dconste): Delete.
16224         (real_value_const, get_real_const): New.
16225
16226 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
16227
16228         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
16229
16230         * config/i386/i386.c (ix86_function_arg_boundary): Check
16231         BIGGEST_ALIGNMENT instead of 128.
16232         (setup_incoming_varargs_64): Likewise.
16233
16234 2008-03-26  Tom Tromey  <tromey@redhat.com>
16235
16236         * Makefile.in (DEPFILES): Add missing '/'.
16237
16238 2008-03-26  Richard Guenther  <rguenther@suse.de>
16239
16240         * fold-const.c (target.h): Include.
16241         (fold_comparison): Fold comparison of addresses of two decls
16242         that bind locally.  Consolidate address folding code.
16243
16244 2008-03-26  Nick Clifton  <nickc@redhat.com>
16245
16246         PR target/31232
16247         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
16248         not allow INT+INT as a legitimate addressing mode.
16249
16250 2008-03-26  Richard Guenther  <rguenther@suse.de>
16251
16252         * tree-flow.h (widen_bitfield): Remove declaration.
16253         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
16254         (widen_bitfield): Remove function.
16255         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
16256         code.
16257
16258 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16259
16260         PR target/31558
16261         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
16262         error_mark_node's.
16263
16264 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
16265
16266         PR rtl-optimization/35232
16267         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
16268         (forget_old_reloads_1, forget_marked_reloads): Don't clear
16269         reg_reloaded_call_part_clobbered here.
16270         (reload_regs_reach_end_p): New function.
16271         (reload_reg_rtx_for_input): New variable.
16272         (reload_reg_rtx_for_output): Likewise.
16273         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
16274         when reassigning a pseudo register.  Load reloadreg from
16275         reload_reg_rtx_for_input, moving the mode and register
16276         calculation to...
16277         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
16278         instead of the original when deciding whether an input reload
16279         would be a no-op or whether an output reload can be deleted.
16280         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
16281         when setting up new_spill_reg_store.  Load it from
16282         reload_reg_rtx_for_output, moving the mode and register
16283         calculation to...
16284         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
16285         instead of the original when deciding whether an output reload
16286         would be a no-op.  Do the same when modifying insn notes.
16287         Use rtx_equal_p instead of == to compare the registers.
16288         (inherit_piecemeal_p): Take a mode and two register numbers
16289         as argument.
16290         (emit_reload_insns): Clear new_spill_reg_store for every hard
16291         register in the reload register.  Remove spill registers
16292         from reg_reloaded_valid before considering whether to record
16293         inheritance information for them.  Use reload_reg_rtx_for_output
16294         instead of reg_rtx when recording output reloads.  Use
16295         reload_reg_rtx_for_input instead of reg_rtx when recording
16296         input reloads.  Set or clear reg_reloaded_call_part_clobbered
16297         at the same time as setting reg_reloaded_valid.
16298         (delete_output_reload): Add a new_reload_reg parameter and use it
16299         instead of rld[j].reg_rtx.
16300         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
16301         calls accordingly.
16302
16303 2008-03-25  Tom Tromey  <tromey@redhat.com>
16304
16305         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
16306         (build/genattr.o): Likewise.
16307         (build/genattrtab.o): Likewise.
16308         (build/gencodes.o): Likewise.
16309         (build/genconfig.o): Likewise.
16310         (build/genconstants.o): Likewise.
16311         (build/genemit.o): Likewise.
16312         (build/genextract.o): Likewise.
16313         (build/genflags.o): Likewise.
16314
16315 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
16316
16317         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
16318         instead of size_int for integer types.
16319         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
16320         to match type of MINUS_EXPR.
16321
16322 2008-03-25  Tom Tromey  <tromey@redhat.com>
16323
16324         * configure: Rebuilt.
16325         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
16326         Makefile.
16327
16328 2008-03-25  Tom Tromey  <tromey@redhat.com>
16329
16330         * config/x-solaris (host-solaris.o): Update.
16331         * config/x-linux (host-linux.o): Update.
16332         * config/x-hpux (host-hpux.o): Update.
16333         * config/x-darwin (host-darwin.o): Update.
16334         * config/v850/t-v850e (v850-c.o): Update.
16335         * config/v850/t-v850 (v850-c.o): Update.
16336         * config/t-vxworks (vxworks.o): Update.
16337         * config/t-sol2 (sol2-c.o, sol2.o): Update.
16338         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
16339         * config/spu/t-spu-elf (spu-c.o): Update.
16340         (spu.o): Remove.
16341         * config/sh/t-symbian (sh-c.o): Update.
16342         (symbian.o): Update.
16343         * config/sh/t-sh (sh-c.o): Update.
16344         * config/score/t-score-elf (score7.o, score3.o): Update.
16345         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
16346         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
16347         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
16348         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
16349         (rs6000.o): Remove.
16350         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
16351         * config/m32c/t-m32c (m32c-pragma.o): Update.
16352         * config/ia64/t-ia64 (ia64-c.o): Update.
16353         * config/i386/x-mingw32 (host-mingw32.o): Update.
16354         * config/i386/x-i386 (driver-i386.o): Update.
16355         * config/i386/x-darwin (host-i386-darwin.o): Update.
16356         * config/i386/x-cygwin (host-cygwin.o): Update.
16357         * config/i386/t-nwld (nwld.o): Update.
16358         * config/i386/t-netware (netware.o): Update.
16359         * config/i386/t-interix (winnt.o): Update.
16360         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
16361         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
16362         msformat-c.o): Update.
16363         * config/bfin/t-bfin-linux (generated_files): Add
16364         linux-sysroot-suffix.h.
16365         * config/arm/t-wince-pe (pe.o): Update.
16366         * config/arm/t-strongarm-pe (pe.o): Update.
16367         * config/arm/t-pe (pe.o): Update.
16368         * config/arm/t-arm (arm-c.o): Update.
16369         * doc/install.texi (Prerequisites): Require make 3.80.
16370         * Makefile.in: Remove .o targets.
16371         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
16372         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
16373         (simple_generated_h, simple_generated_c): Move earlier.
16374         (generated_files): New variable.
16375         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
16376         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
16377         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
16378         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
16379         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
16380         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
16381         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
16382         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
16383         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
16384         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
16385         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
16386         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
16387         (.c.o): Remove.
16388         (COMPILE.base, COMPILE): New variables.
16389         (%.o): New pattern rule.
16390         (ALL_HOST_OBJS): New variable.
16391         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
16392         (dummy-checksum.o, cc1-checksum.o): Remove.
16393         (DRIVER_SHLIB): New variable.
16394         (DRIVER_DEFINES): Use it.
16395         (gencondmd.c): Move out of build/.
16396         (s-conditions): Update.
16397         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
16398         (ALL_BUILD_OBJS): Likewise.
16399         (build/%.o): Use BUILDCOMPILE.
16400         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
16401         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
16402         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
16403         build/gencheck.o, build/gencodes.o, build/genconditions.o,
16404         build/genconfig.o, build/genconstants.o, build/genemit.o,
16405         build/genextract.o, build/genflags.o, build/genmddeps.o,
16406         build/genopinit.o, build/genoutput.o, build/genpeep.o,
16407         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
16408         build/gen-protos.o, build/scan.o, build/fix-header.o,
16409         build/scan-decls.o): Simplify.
16410         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
16411         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
16412         prefix.o, toplev.o): Reduce to variable setting.
16413         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
16414         ($(out_object_file), gcc-options.o): New targets.
16415         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
16416         * configure: Rebuilt.
16417         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
16418         * doc/sourcebuild.texi (Front End Directory): Document new variable.
16419
16420 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
16421
16422         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
16423         complain when we hit an error, return ERROR_MARK_NODE.
16424
16425 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16426
16427         * config/sh/constraints.md (Pso, Psz): New constraints.
16428         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
16429         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
16430
16431 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16432
16433         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
16434         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
16435
16436 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16437
16438         * config/sh/sh.md (prefetch): Add condition for SH2A target.
16439         (prefetch_sh2a): New.
16440
16441 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
16442             Naveen.H.S  <naveen.hs@kpitcummins.com>
16443
16444         * config/sh/constraints.md (I28): New constraint.
16445         * config/sh/sh.c (broken_move): Add support for movi20s.
16446         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
16447
16448 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
16449             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
16450             Naveen.H.S  <naveen.hs@kpitcummins.com>
16451
16452         * config/sh/sh.c (SH_ATTRIBUTES): Define.
16453         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
16454         (print_operand): Handle resbank in %@ operand code.
16455         (sh_encode_section_info): New.
16456         (push_regs): Add conditions for resbank.
16457         (sh_expand_epilogue): Likewise.
16458         (sh_insert_attributes): Likewise.
16459         (sh_attribute_table): Likewise.
16460         (sh_handle_resbank_handler_attribute): New.
16461         (sh2a_handle_function_vector_handler_attribute): New.
16462         (sh2a_is_function_vector_call): New.
16463         (sh2a_get_function_vector_number): New.
16464         (sh2a_function_vector_p): New.
16465         (sh_cfun_resbank_handler_p): New.
16466         * config/sh/sh.md (calli): Emit jsr/n if possible.
16467         (calli_tbr_rel): New.
16468         (calli_pcrel): Emit jsr/n if possible.
16469         (return_i): Emit rts/n if possible.
16470         (call_valuei_tbr_rel): New.
16471         (call_valuei_pcrel): Add condition for SH2A target.
16472         (call_value): Likewise.
16473         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
16474         (sh2a_get_function_vector_number): Likewise.
16475         (sh2a_is_function_vector_call): Likewise.
16476         * doc/extend.texi: Document TBR relative addressing of SH2A.
16477         (resbank): Add description for SH2A.
16478
16479 2008-03-24  Richard Guenther  <rguenther@suse.de>
16480
16481         PR c/22371
16482         * gimplify.c (gimplify_modify_expr): For frontend type-correct
16483         pointer assignments change conversions according to middle-end rules.
16484         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
16485         * configure.ac: Include type checking in yes.
16486         * configure: Regenerate.
16487
16488 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
16489
16490         * diagnostic.c (diagnostic_count_diagnostic): Delete.
16491         (diagnostic_report_diagnostic): Update. Handle ICEs here.
16492
16493 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
16494
16495         * gthr-vxworks.h (UNUSED): Define.
16496
16497 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
16498
16499         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
16500
16501 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
16502
16503         * doc/extend.texi (Function Attributes): Add missing comma in the
16504         example of the "alloc_size" attribute.
16505
16506 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
16507
16508         Revert:
16509         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
16510
16511         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
16512         32bit host.
16513
16514         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
16515
16516         PR target/35496
16517         * stor-layout.c (update_alignment_for_field): Set minimum alignment
16518         of the underlying type of a MS bitfield layout to the natural
16519         alignment of the type.
16520
16521         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
16522
16523         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
16524         to their natural alignment to avoid store forwarding stalls.
16525
16526 2008-03-22  Richard Guenther  <rguenther@suse.de>
16527
16528         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
16529         For PHI nodes verify the address is invariant.
16530         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
16531         (get_symbol_constant_value): Use is_gimple_min_invariant.
16532         (maybe_fold_stmt_indirect): Likewise.
16533
16534 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
16535
16536         PR rtl-optimization/33927
16537         * Makefile.in (dse.o): Depend on $(TM_P_H).
16538         * expr.h (extract_low_bits): Declare.
16539         * expmed.c (extract_low_bits): New function.
16540         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
16541         * dse.c: Include tm_p.h.
16542         (find_shift_sequence): Remove the read_reg argument and return the
16543         read value.  Emit the instructions instead of returning them.
16544         Iterate on new_mode rather than calculating it each time.
16545         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
16546         source to NEW_MODE and extract_low_bits to convert the shifted
16547         value to READ_MODE.
16548         (replace_read): Allow the load and store to have different mode
16549         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
16550         or extraction instructions before trying the replacement.  Update
16551         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
16552
16553 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
16554
16555         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
16556         to their natural alignment to avoid store forwarding stalls.
16557
16558 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16559
16560         PR target/27946
16561         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
16562         encouraging but not allowing gprs for input;
16563         change the input constraint to !f#r.
16564         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
16565         gprs for output;
16566         change the output constraint to !f#r.
16567
16568 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
16569
16570         PR target/13958
16571         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
16572         corresponding post-reload splitters.
16573         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
16574         when x87 FP math is selected.
16575         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
16576         New function prototype.
16577         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
16578         unreachable function to ease macroization of insn patterns.
16579
16580 2008-03-21  Martin Jambor  <mjambor@suse.cz>
16581
16582         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
16583         reference dumps if ddr is NULL or dependence is unknown.
16584
16585 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16586
16587         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
16588         unsigned extension into account.
16589         (ATOMIC_COMPARE_AND_SWAP): Likewise.
16590         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
16591         Do computations on a scratch register.
16592
16593 2008-03-21  Richard Guenther  <rguenther@suse.de>
16594
16595         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
16596         Use is_gimple_min_invariant instead of TREE_INVARIANT.
16597         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
16598         * tree-ssa-dom.c (record_equality): Likewise.
16599         * tree-inline.c (copy_body_r): Likewise.
16600         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
16601         TREE_INVARIANT.
16602
16603 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16604
16605         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
16606         as 'delete_unused' argument.
16607
16608 2008-03-20  Richard Guenther  <rguenther@suse.de>
16609
16610         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
16611         special casing of constant qualifiers.
16612         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
16613         care about them in general.
16614         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
16615         regardless of their type.
16616         (fold_stmt_r): Forcefully fold *& if we end up with that.
16617
16618 2008-03-20  Paul Brook  <paul@codesourcery.com>
16619
16620         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
16621         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
16622         linker flags.
16623         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
16624         definition.
16625         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
16626         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
16627
16628 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
16629
16630         * common.opt (Wmudflap): New option.
16631         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
16632         (mx_register_decls): Likewise.
16633         (mudflap_finish_file): Likewise.
16634         * doc/invoke.texi: Document -Wno-mudflap.
16635
16636 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
16637
16638         * c-format.c (replace_format_name_to_system_name): New.
16639         (cmp_attribs): New.
16640         (convert_format_name_to_system_name): New.
16641         (decode_format_attr): Add use of convert_format_name_to_system_name.
16642         (format_types_orig): Add gnu_ prefix to names.
16643         (check_format_info_main): Special treating of \0 escaped names for
16644         supporting multi-character format specifiers as I32, I64.
16645         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
16646         (gnu_target_overrides_format_attributes): New.
16647         * c-format.h: Add structure target_ovr_attr to hold
16648         system specific formatter names.
16649         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
16650         msformat-c.o file to c_target_objs and cxx_target_objs.
16651         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16652         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
16653         (TARGET_N_FORMAT_TYPES): New.
16654         * config/i386/msformat-c.c: New.
16655         * config/i386/t-cygming: Add build rule for msformat-c.o.
16656         * doc/extend.texi: Add new format names gnu_* and ms_* and
16657         further details.
16658         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16659
16660 2008-03-20  Ira Rosen  <irar@il.ibm.com>
16661
16662         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
16663         optimizations turned on under -O3.
16664         (ftree-vectorize): Add that the flag is turned on with -O3.
16665
16666 2008-03-20  Ben Elliston  <bje@au.ibm.com>
16667
16668         * regmove.c (try_auto_increment): Fix spelling error in comment.
16669         * final.c (final_scan_insn): Likewise.
16670
16671 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
16672
16673         PR target/14552
16674         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
16675         allocator preferences for "y" and "r" class registers.
16676         ("*mov<mode>_internal"): Ditto.
16677         ("*movv2sf_internal_rex64"): Ditto.
16678         ("*movv2sf_internal"): Ditto.
16679
16680 2008-03-19  Michael Matz  <matz@suse.de>
16681
16682         PR middle-end/35616
16683         * calls.c (expand_call): Check overlap of arguments with call
16684         address for sibcalls.
16685
16686 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
16687
16688         PR target/35496
16689         * stor-layout.c (update_alignment_for_field): Set minimum alignment
16690         of the underlying type of a MS bitfield layout to the natural
16691         alignment of the type.
16692
16693 2008-03-19  Jan Hubicka  <jh@suse.cz>
16694
16695         PR other/35094
16696         * toplev.c (decode_d_option): Handle all CPP flags.
16697         * tree-vrp.c: Update tree_pass descriptors.
16698         * regrename.c: Update tree_pass descriptors.
16699         * fwprop.c: Update tree_pass descriptors.
16700         * doc/invoke.texi: Remove documentation of dropped -d? flags.
16701         * tree-into-ssa.c: Update tree_pass descriptors.
16702         * tree-dump.c: Update tree_pass descriptors.
16703         * tree-complex.c: Update tree_pass descriptors.
16704         * tree-dump.h: Update tree_pass descriptors.
16705         * see.c: Update tree_pass descriptors.
16706         * cgraphbuild.c: Update tree_pass descriptors.
16707         * tracer.c: Update tree_pass descriptors.
16708         * tree-loop-distribution.c: Update tree_pass descriptors.
16709         * cgraph.c: Update tree_pass descriptors.
16710         * postreload-gcse.c: Update tree_pass descriptors.
16711         * postreload.c: Update tree_pass descriptors.
16712         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
16713         * tree-tailcall.c: Update tree_pass descriptors.
16714         * tree-pass.h (tree_opt_pass): Rename to ...
16715         (opt_pass) ... this one; add "type" field and remove letter field.
16716         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
16717         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
16718         all_lowering_passes): Update declaration.
16719         * ipa-cp.c: Update tree_pass descriptors.
16720         * final.c: Update tree_pass descriptors.
16721         * omp-low.c: Update tree_pass descriptors.
16722         * tree-ssa-dse.c: Update tree_pass descriptors.
16723         * ipa-reference.c: Update tree_pass descriptors.
16724         * tree-ssa-uncprop.c: Update tree_pass descriptors.
16725         * auto-inc-dec.c: Update tree_pass descriptors.
16726         * reorg.c: Update tree_pass descriptors.
16727         * cgraphunit.c: Update tree_pass descriptors.
16728         * tree-ssa-copyrename.c: Update tree_pass descriptors.
16729         * tree-ssa-ccp.c: Update tree_pass descriptors.
16730         * df-core.c: Update tree_pass descriptors.
16731         * mode-switching.c: Update tree_pass descriptors.
16732         * tree-nomudflap.c: Update tree_pass descriptors.
16733         * modulo-sched.c: Update tree_pass descriptors.
16734         * ipa-pure-const.c: Update tree_pass descriptors.
16735         * cse.c: Update tree_pass descriptors.
16736         * web.c: Update tree_pass descriptors.
16737         * tree-stdarg.c: Update tree_pass descriptors.
16738         * tree-ssa-math-opts.c: Update tree_pass descriptors.
16739         * tree-ssa-dom.c: Update tree_pass descriptors.
16740         * tree-nrv.c: Update tree_pass descriptors.
16741         * tree-ssa-alias.c: Update tree_pass descriptors.
16742         * loop-init.c: Update tree_pass descriptors.
16743         * gimple-low.c: Update tree_pass descriptors.
16744         * ipa-inline.c: Update tree_pass descriptors.
16745         * tree-ssa-sink.c: Update tree_pass descriptors.
16746         * global.c: Update tree_pass descriptors.
16747         * ifcvt.c: Update tree_pass descriptors.
16748         * jump.c: Update tree_pass descriptors.
16749         * predict.c: Update tree_pass descriptors.
16750         * tree-ssa-loop.c: Update tree_pass descriptors.
16751         * recog.c: Update tree_pass descriptors.
16752         * dse.c: Update tree_pass descriptors.
16753         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
16754         * tree-eh.c: Update tree_pass descriptors.
16755         * regmove.c: Update tree_pass descriptors.
16756         * local-alloc.c
16757         * function.c: Update tree_pass descriptors.
16758         * tree-vectorizer.c: Update tree_pass descriptors.
16759         * gcse.c: Update tree_pass descriptors.
16760         * ipa-type-escape.c: Update tree_pass descriptors.
16761         * tree-if-conv.c: Update tree_pass descriptors.
16762         * init-regs.c: Update tree_pass descriptors.
16763         * ipa.c: Update tree_pass descriptors.
16764         * tree-ssa-phiopt.c: Update tree_pass descriptors.
16765         * rtl-factoring.c: Update tree_pass descriptors.
16766         * lower-subreg.c: Update tree_pass descriptors.
16767         * bt-load.c: Update tree_pass descriptors.
16768         * tree-dfa.c: Update tree_pass descriptors.
16769         * except.c: Update tree_pass descriptors.
16770         * emit-rtl.c: Update tree_pass descriptors.
16771         * cfgexpand.c: Update tree_pass descriptors.
16772         * tree-cfgcleanup.c: Update tree_pass descriptors.
16773         * cfgcleanup.c: Update tree_pass descriptors.
16774         * tree-ssa-pre.c: Update tree_pass descriptors.
16775         * tree-sra.c: Update tree_pass descriptors.
16776         * tree-mudflap.c: Update tree_pass descriptors.
16777         * tree-ssa-copy.c: Update tree_pass descriptors.
16778         * cfglayout.c: Update tree_pass descriptors.
16779         * tree-ssa-forwprop.c: Update tree_pass descriptors.
16780         * tree-ssa-dce.c: Update tree_pass descriptors.
16781         * tree-ssa.c: Update tree_pass descriptors.
16782         * regclass.c: Update tree_pass descriptors.
16783         * integrate.c: Update tree_pass descriptors.
16784         * tree-optimize.c: Update tree_pass descriptors.
16785         * tree-ssa-phiprop.c: Update tree_pass descriptors.
16786         * tree-object-size.c: Update tree_pass descriptors.
16787         * combine.c: Update tree_pass descriptors.
16788         * tree-outof-ssa.c: Update tree_pass descriptors.
16789         * bb-reorder.c: Update tree_pass descriptors.
16790         * stack-ptr-mod.c: Update tree_pass descriptors.
16791         * var-tracking.c: Update tree_pass descriptors.
16792         * tree-profile.c: Update tree_pass descriptors.
16793         * tree-vect-generic.c: Update tree_pass descriptors.
16794         * reg-stack.c: Update tree_pass descriptors.
16795         * sched-rgn.c: Update tree_pass descriptors.
16796         * tree-ssa-structalias.c: Update tree_pass descriptors.
16797         * tree-cfg.c: Update tree_pass descriptors.
16798         * passes.c (current_pass): Update declaration.
16799         (finish_optimization_passes): Update.
16800         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
16801         (register_one_dump_file, register_dump_files_1, next_pass_1):
16802         Update arguments.
16803         (init_optimization_passes): Update handling of new types.
16804         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
16805         * ipa-struct-reorg.c: Update tree_pass descriptors.
16806         * tree-ssa-reassoc.c: Update tree_pass descriptors.
16807         * combine-stack-adj.c: Update tree_pass descriptors.
16808         * cfgrtl.c: Update tree_pass descriptors.
16809         * dce.c: Update tree_pass descriptors.
16810         * tree-ssanames.c: Update tree_pass descriptors.
16811
16812 2008-03-19  Richard Guenther  <rguenther@suse.de>
16813
16814         PR middle-end/35609
16815         * tree-ssa.c (walk_data): New structure.
16816         (warn_uninitialized_var): If not always_executed warn with "maybe"
16817         instead of "is".
16818         (execute_early_warn_uninitialized): Compute post-dominators.
16819         Initialize always_executed before processing each basic block.
16820
16821 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
16822
16823         PR target/35504
16824         * config/i386/i386.c (x86_this_parameter): Calculate correct location
16825         of "this" pointer when "regparm = N" or "fastcall" is in effect.
16826
16827 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16828
16829         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
16830
16831 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
16832
16833         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
16834         is true.
16835         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
16836         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
16837         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
16838         target after ignore has been set, and move there also the commputation
16839         of subtarget and original_target.
16840         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
16841         (LANG_HOOKS_INITIALIZER): Remove it.
16842         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
16843
16844 2008-03-18  Richard Guenther  <rguenther@suse.de>
16845
16846         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
16847         found an expression with constants, note that in the VN for the lhs.
16848         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
16849         fold them to constants if possible.  Run cleanup_cfg if done so.
16850         (execute_pre): Return todo.
16851         (do_pre): Likewise.
16852         (execute_fre): Likewise.
16853         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
16854         of constants.
16855         (get_prop_source_stmt): Look through pointer conversions.
16856
16857 2008-03-18  Jan Hubicka  <jh@suse.cz>
16858
16859         * tree-pretty-print.c: Include predict.h.
16860         (dump_generic_node): Dump predictor.
16861         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
16862         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
16863         * gimple-low.c (lower_stmt): Likewise.
16864         * expr.c (expand_expr_real): Likewise.
16865         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
16866         them.
16867         (build_predict_expr, build_predict_expr): New.
16868         * predict.h (predictor_name, build_predict_expr): Update.
16869         * c-typeck.c (c_finish_bc_stmt): Add prediction.
16870         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
16871         * predict.def (PRED_CONTINUE): Update hitrate.
16872         * tree.def (PREDICT_EXPR): Define.
16873         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
16874         do not handle BIND_EXPR.
16875         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
16876         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
16877         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
16878         operands.
16879
16880 2008-03-18  Michael Matz  <matz@suse.de>
16881
16882         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
16883
16884 2008-03-18  Richard Guenther  <rguenther@suse.de>
16885
16886         * tree-gimple.h (is_gimple_invariant_address): Declare.
16887         (is_gimple_constant): Likewise.
16888         * tree-gimple.c (is_gimple_constant): New function.
16889         (is_gimple_invariant_address): Likewise.
16890         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
16891         and is_gimple_invariant_address.
16892         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
16893         previous change.
16894         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
16895         an addressable base.
16896
16897 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
16898
16899         PR middle-end/35611
16900         * gimplify.c (gimplify_expr): Gimplify second operand of
16901         OMP_ATOMIC_LOAD.
16902
16903 2008-03-17  Richard Guenther  <rguenther@suse.de>
16904
16905         PR tree-optimization/19637
16906         * fold-const.c (fold_unary): Remove restrictions of removing
16907         intermediate pointer-conversions (P2)(P1)P0.
16908         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
16909         conversion to void pointer.
16910         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
16911
16912 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
16913
16914         PR debug/31510
16915         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
16916         emulated thread local variables.
16917
16918 2008-03-16  Richard Guenther  <rguenther@suse.de>
16919
16920         PR middle-end/35607
16921         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
16922         expand TREE_INVARIANT operations that are not gimple invariant.
16923
16924 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
16925
16926         * doc/extend.texi (Alignment): Say that the ABI controls
16927         the __alignof__ for non-strict-alignment targets rather
16928         than being a recommendation.
16929
16930 2008-03-15  Paul Brook  <paul@codesourcery.com>
16931
16932         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
16933         annotations.
16934         (arm_output_fn_unwind): Mark functions that can not be unwound.
16935
16936 2008-03-15  Paul Brook  <paul@codesourcery.com>
16937
16938         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
16939         extension instructions.
16940
16941 2008-03-15  Richard Guenther  <rguenther@suse.de>
16942
16943         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
16944         and fold constant aggregate refs.
16945         (fold_const_aggregate_ref): Handle string constants
16946         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
16947         (evaluate_stmt): Simplify now that ccp_fold folds constant
16948         aggregate refs.
16949
16950 2008-03-15  Paul Brook  <paul@codesourcery.com>
16951
16952         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
16953         (extzv): Use gen_extzv_t2.
16954         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
16955
16956 2008-03-15  Richard Guenther  <rguenther@suse.de>
16957
16958         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
16959         (fold_const_aggregate_ref): Likewise.
16960         (get_value): Return NULL if we don't have any values.
16961         (ccp_finalize): Set const_val to NULL after freeing it.
16962         * tree-flow.h (get_symbol_constant_value): Declare.
16963         (fold_const_aggregate_ref): Likewise.
16964         * tree-ssa-sccvn.c (try_to_simplify): Use them.
16965
16966 2008-03-15  Richard Guenther  <rguenther@suse.de>
16967
16968         PR middle-end/35593
16969         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
16970         to not produce negative array indices if not allowed.  Add
16971         parameter to indicate that.
16972         (maybe_fold_offset_to_component_ref): Allow negative array
16973         indices only for the first member of a structure.
16974         (maybe_fold_offset_to_reference): Allow negative array indices.
16975         (maybe_fold_stmt_addition): Likewise.
16976
16977 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
16978             Anatoly Sokolov <aesok@post.ru>
16979
16980         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
16981         (avr_arch): Add ARCH_AVR6.
16982         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
16983         (initial_elimination_offset): Initialize and use 'avr_pc_size'
16984         instead of fixed value 2.
16985         (print_operand_address): Use gs() asm specifier instead of pm().
16986         (avr_assemble_integer): (Ditto.).
16987         (avr_output_addr_vec_elt): (Ditto.).
16988         (print_operand): Handle "!" code.
16989         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
16990         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
16991         (AVR_HAVE_EIJMP_EICALL): Define.
16992         (AVR_3_BYTE_PC): Redefine.
16993         (AVR_2_BYTE_PC): (Ditto.).
16994         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
16995         (LINK_SPEC): Add atmega2560 and atmega2561.
16996         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
16997         (crtm2561.o).
16998         * config/avr/avr.md (call_insn): Use eicall instead of icall
16999         for 3 byte PC devices.
17000         (call_value_insn): (Ditto.).
17001         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
17002         (indirect_jump): Use only for for 2 byte PC devices.
17003         (*tablejump): (Ditto.).
17004         (*indirect_jump_avr6): Add insn.
17005         (*tablejump_rjmp): Don't use for 3 byte PC devices.
17006         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
17007         instead of ijmp for 3 byte PC devices.
17008         (__tablejump2__): (Ditto.).
17009         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
17010         (MULITLIB_DIRNAMES): (Ditto.).
17011         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
17012
17013 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
17014
17015         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
17016         "sse2_umulsidi3".  Use V1DI mode for operand 0.
17017         ("mmx_psadbw"): Use V1DI mode for operand 0.
17018         * config/i386/i386-modes.def (V1SI): New vector mode.
17019         * config/i386/i386.c (struct builtin_description)
17020         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
17021         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
17022         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
17023         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
17024         v1di_ftype_v8qi_v8qi type.
17025         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
17026
17027         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
17028         __builtin_ia32_pmuludq]: Fix the mode of return value.
17029
17030 2008-03-15  Richard Guenther  <rguenther@suse.de>
17031
17032         PR middle-end/35595
17033         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
17034         being a PHI_NODE.
17035
17036 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
17037
17038         * doc/invoke.texi (Option Summary, Xtensa Options): Document
17039         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
17040         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
17041         unless TARGET_SERIALIZE_VOLATILE is enabled.
17042         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
17043         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
17044         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
17045
17046 2008-03-14  Richard Guenther  <rguenther@suse.de>
17047
17048         PR tree-optimization/34172
17049         * tree-flow.h (refs_may_alias_p): Declare.
17050         (get_single_def_stmt): Likewise.
17051         (get_single_def_stmt_from_phi): Likewise.
17052         (get_single_def_stmt_with_phi): Likewise.
17053         * tree-dfa.c (refs_may_alias_p): New function.
17054         (get_single_def_stmt): Likewise.
17055         (get_single_def_stmt_from_phi): Likewise.
17056         (get_single_def_stmt_with_phi): Likewise.
17057         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
17058         (vn_reference_lookup_1): New helper function.
17059         (vn_reference_lookup): Walk the virtual use-def chain to
17060         continue searching for a match if the def does not alias the
17061         reference we are looking for.
17062
17063 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
17064
17065         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
17066         archive and Perzl.  Update The Written Word listing.
17067
17068 2008-03-14  Richard Guenther  <rguenther@suse.de>
17069
17070         PR tree-optimization/34043
17071         PR tree-optimization/33989
17072         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
17073         when doing FRE.
17074         (bitmap_find_leader): Use extra argument to verify dominance
17075         relationship inside a basic-block.
17076         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
17077         (find_leader_in_sets): Adjust.
17078         (create_component_ref_by_pieces): Take extra argument for
17079         dominance check, handle lookup failures.
17080         (find_or_generate_expression): Likewise.
17081         (create_expression_by_pieces): Likewise.
17082         (insert_into_preds_of_block): Adjust.
17083         (create_value_expr_from): If asked for, verify all operands
17084         are in the blocks AVAIL_OUT set.
17085         (make_values_for_stmt): Check for SSA_NAMEs that are life
17086         over an abnormal edge.
17087         (compute_avail): Remove such check.
17088         (do_SCCVN_insertion): New function.
17089         (eliminate): If we do not find a leader suitable for replacement
17090         insert a replacement expression from SCCVN if available.
17091         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
17092         (struct vn_ssa_aux): Add needs_insertion flag.
17093         * tree-ssa-sccvn.c (may_insert): New global flag.
17094         (copy_reference_ops_from_ref): Value-number union member access
17095         based on its size, not type and member if insertion is allowed.
17096         (visit_reference_op_load): For a weak match from union type
17097         punning lookup a view-converted value and insert a SSA_NAME
17098         for that value if that is not found.
17099         (visit_use): Make dumps shorter.  Do not disallow value numbering
17100         SSA_NAMEs that are life over an abnormal edge to constants.
17101         (free_scc_vn): Release inserted SSA_NAMEs.
17102         (run_scc_vn): New flag to specify whether insertion is allowed.
17103         Process SSA_NAMEs in forward order.
17104         * tree-ssa-loop-im.c (for_each_index): Handle invariant
17105         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
17106         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
17107         pointer type to/from integral types that do not change the
17108         precision to regular conversions.
17109
17110 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
17111
17112         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
17113         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
17114         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
17115         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
17116         input arguments and the mode of return value.  Built-in functions
17117         that operate on whole 64-bit MMX register now use V1DI mode.
17118
17119 2008-03-13  Alon Dayan  <alond@il.ibm.com>
17120             Olga Golovanevsky  <olga@il.ibm.com>
17121
17122         PR tree-optimization/35041
17123         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
17124         to locate the right position in a statement.
17125
17126 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
17127
17128         PR target/34000
17129         PR target/35553
17130         * config/i386/xmmintrin.h:  Change all static inline functions to
17131         extern inline and add __gnu_inline__ attribute.
17132         * config/i386/bmintrin.h: Ditto.
17133         * config/i386/smmintrin.h: Ditto.
17134         * config/i386/tmmintrin.h: Ditto.
17135         * config/i386/mmintrin-common.h: Ditto.
17136         * config/i386/ammintrin.h: Ditto.
17137         * config/i386/emmintrin.h: Ditto.
17138         * config/i386/pmmintrin.h: Ditto.
17139         * config/i386/mmintrin.h: Ditto.
17140         * config/i386/mm3dnow.h: Ditto.
17141
17142 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
17143
17144         PR middle-end/35185
17145         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
17146         (lower_omp_2): New function.
17147         (lower_omp_1, lower_omp): Rewritten.
17148
17149 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
17150
17151         PR 35054
17152         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
17153         with the phrase "Microsoft Windows compilers".
17154         (Push/Pop Macro Pragmas): New subsection. Document
17155         #pragma push_macro and pragma pop_macro.
17156
17157 2008-03-12  Paul Brook  <paul@codesourcery.com>
17158
17159         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
17160
17161 2008-03-12  Paul Brook  <paul@codesourcery.com>
17162
17163         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
17164         (thumb2_alusi3_short): Exclude PLUS and MINUS.
17165         (thumb2_addsi_shortim): Rename ...
17166         (thumb2_addsi_short): ... to this.  Allow register operands.
17167         (thumb2_subsi_short): New pattern.
17168         (thumb2_one_cmplsi2_short,
17169         thumb2_negsi2_short): New patterns and peepholes.
17170
17171 2008-03-12  Paul Brook  <paul@codesourcery.com>
17172
17173         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
17174
17175 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
17176
17177         * config/i386/i386.md (int_cond): New code iterator.
17178         (fp_cond): Ditto.
17179         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
17180         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
17181         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
17182         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
17183         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
17184         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
17185         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
17186         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
17187
17188 2008-03-12  Paul Brook  <paul@codesourcery.com>
17189
17190         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
17191         instead of {arm,thumb}_compute_save_reg_mask.
17192         (output_return_instruction): Ditto.
17193         (thumb_unexpanded_epilogue): Ditto.
17194         (thumb1_expand_prologue): Ditto.
17195         (thumb1_output_function_prologue): Ditto.
17196         (arm_set_return_address): Ditto.
17197         (thumb_set_return_address): Ditto.
17198         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
17199         regs to achieve stack alignment.
17200         (thumb1_compute_save_reg_mask): Fix compiler warning.
17201         (arm_output_epilogue): Use offsets->saved_regs_mask.
17202         Adjust stack pointer by poping call clobered registers.
17203         (arm_expand_prologue): Use offsets->saved_regs_mask.
17204         Adjust stack pointer by pushing extra registers.
17205         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
17206
17207 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
17208
17209         PR tree-opt/35422
17210         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
17211         conversion to the operands of a multiplication.
17212
17213 2008-03-12  Richard Guenther  <rguenther@suse.de>
17214
17215         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
17216         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
17217         * timevar.def (TV_TREE_PHIPROP): Add.
17218         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
17219         pass description.  Use TV_TREE_PHIPROP.
17220         * tree-ssa-forwprop.c: Remove phiprop code.
17221
17222 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
17223
17224         PR middle-end/35549
17225         * omp-low.c (maybe_lookup_decl): Constify first argument.
17226         (use_pointer_for_field): Change last argument from bool to
17227         omp_context *.  Disallow shared copy-in/out in nested
17228         parallel if decl is shared in outer parallel too.
17229         (build_outer_var_ref, scan_sharing_clauses,
17230         lower_rec_input_clauses, lower_copyprivate_clauses,
17231         lower_send_clauses, lower_send_shared_vars): Adjust callers.
17232
17233 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
17234             Ira Rosen  <irar@il.ibm.com>
17235
17236         * tree-vectorizer.c (free_stmt_vec_info): New function.
17237         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
17238         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
17239         * tree-vectorizer.h (free_stmt_vec_info): Declare.
17240         * tree-vect-transform.c (vectorizable_conversion): Free
17241         vec_oprnds0 if it was allocated.
17242         (vect_permute_store_chain): Remove unused VECs.
17243         (vectorizable_store): Free VECs that are allocated in the..
17244         function.
17245         (vect_transform_strided_load, vectorizable_load): Likewise.
17246         (vect_remove_stores): Simplify the code.
17247         (vect_transform_loop): Move code to vect_remove_stores().
17248         Call vect_remove_stores() and free_stmt_vec_info().
17249
17250 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17251
17252         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
17253         TARGET_HPUX.  Revise comment.
17254         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
17255         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
17256         Use sr4 variant of `be' instruction when not generating PIC code.
17257         (attr_length_call): Adjust for above change.
17258
17259 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17260
17261         * ipa-reference.c (static_execute): Remove module_statics_const and
17262         associated setting code.
17263
17264 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
17265
17266         PR target/35540
17267         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
17268         predicate for operand 1.
17269         (paritysi2_cmp): Use register_operand predicate for operand 2.
17270         Use earlyclobber modifier for operand 1.  Remove support for
17271         memory operands.
17272         (paritydi2_cmp): Use register_operand predicate for operand 3.
17273         Use earlyclobber modifier for operand 1.  Remove support for
17274         memory operands.
17275
17276 2008-03-11  Paul Brook  <paul@codesourcery.com>
17277             Vladimir Prus  <vladimir@codesourcery.com>
17278
17279         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
17280         (arm_compute_save_reg0_reg12_mask): Always
17281         check if register 11 must be saved.  Always safe hard frame pointer
17282         when frame_pointer_needeed.
17283         (arm_compute_save_reg_mask): Save IP and PC
17284         only with apcs frames.
17285         (arm_output_epilogue): Adjust Thumb2 codepath to
17286         be also invoked and work for ARM non-apcs frames.
17287         (arm_expand_prologue): Don't bother saving IP
17288         for non-apcs frame, since it's not clobbered by
17289         prologue code.  Implement non-apcs frame
17290         layout.
17291
17292 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
17293
17294         PR rtl-optimization/35281
17295         * expr.c (convert_move): Use a new pseudo for the intermediate
17296         from_mode->word_mode result.
17297
17298 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
17299
17300         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
17301         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
17302         * toplev.c (compile_file): Don't call it.
17303
17304 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
17305
17306         PR middle-end/35526
17307         * expr.c (store_expr): Call emit_block_move if the mode
17308         of "temp" RTX is BLKmode.
17309
17310 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17311             Richard Guenther  <rguenther@suse.de>
17312
17313         PR tree-optimization/31358
17314         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
17315         the step with a NULL_TREE.
17316         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
17317         to sizetype if type is a pointer type.
17318         (add_candidate_1): Don't convert the base and step to
17319         the generic type if the orginal type is a pointer type.
17320         (add_iv_value_candidates): Use sizetype for the step
17321         if type is a pointer type.
17322         (cand_value_at): Likewise.
17323         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
17324         for pointer types.
17325         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
17326         Don't convert the tem affine to the type.
17327         (add_elt_to_tree): Use sizetype for the step if a pointer.
17328         Use POINTER_PLUS_EXPR for pointers.
17329         (aff_combination_to_tree): Use sizetype for the step if a
17330         pointer.
17331
17332 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
17333
17334         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
17335         Remove commutativity hint.
17336
17337 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
17338
17339         PR c/35438
17340         PR c/35439
17341         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
17342         errorneous type.  Check that v is a VAR_DECL.
17343
17344         PR middle-end/35099
17345         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
17346
17347 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
17348
17349         PR tree-optimization/35494
17350         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
17351         may be overriden at link and run time.
17352
17353 2008-03-10  Richard Guenther  <rguenther@suse.de>
17354
17355         PR tree-optimization/34677
17356         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
17357         (poolify_tree): Likewise.
17358         (modify_expr_template): Likewise.
17359         (poolify_modify_stmt): Likewise.
17360         (insert_fake_stores): Handle all component-ref style stores
17361         in addition to INDIRECT_REF.  Also handle complex types.
17362         Do not poolify the inserted load.
17363         (realify_fake_stores): Do not rebuild the tree but only
17364         make it a SSA_NAME copy.
17365         (init_pre): Remove initialzation of modify_expr_template.
17366         Do not allocate modify_expr_node_pool.
17367         (fini_pre): Do not free modify_expr_node_pool.
17368
17369 2008-03-10  Paul Brook  <paul@codesourcery.com>
17370
17371         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
17372         to avoid conflicts.
17373
17374 2008-03-10  Paul Brook  <paul@codesourcery.com>
17375             Mark Shinwell  <shinwell@codesourcery.com>
17376
17377         * config/arm/cortex-r4.md: New.
17378         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
17379         insn attributes.
17380         * config/arm/arm.md: Include cortex-r4.md.
17381         (insn): Add smmls, sdiv and udiv values.
17382         (generic_sched): Don't use generic scheduling for Cortex-R4.
17383         (arm_issue_rate): New function.
17384         (TARGET_SCHED_ISSUE_RATE): Define.
17385
17386 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
17387
17388         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
17389
17390 2008-03-10  Richard Guenther  <rguenther@suse.de>
17391
17392         * tree-ssa-pre.c (get_sccvn_value): Simplify.
17393         (compute_avail): Do not add stmt uses to AVAIL_OUT.
17394
17395 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
17396
17397         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
17398         Set default to true.
17399
17400 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17401
17402         * c.opt (Wsynth): Deprecate.
17403         * doc/invoke.texi (Option Summary, Warning Options): Document
17404         -Wno-format-contains-nul.
17405
17406 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
17407
17408         PR target/35496
17409         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
17410         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
17411
17412 2008-03-09  Ira Rosen  <irar@il.ibm.com>
17413
17414         * config/rs6000/rs6000.c (builtin_description): Rename vector
17415         left shift operations.
17416         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
17417         (altivec_vsl<VI_char>): Rename to ...
17418         (ashl<mode>3): ... new name.
17419         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
17420         gen_ashlv4si3.
17421         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
17422
17423 2008-03-08  Richard Guenther  <rguenther@suse.de>
17424
17425         * coverage.h (tree_coverage_counter_addr): Declare.
17426         * coverage.c (tree_coverage_counter_addr): New function.
17427         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
17428         before using again.
17429         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
17430         (tree_gen_one_value_profiler): Likewise.
17431         (tree_gen_ic_profiler): Likewise.
17432         (tree_gen_average_profiler): Likewise.
17433         (tree_gen_ior_profiler): Likewise.
17434
17435 2008-03-08  Richard Guenther  <rguenther@suse.de>
17436
17437         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
17438         (vn_binary_op_insert): Likewise.
17439         (vn_unary_op_lookup): Likewise.
17440         (vn_unary_op_insert): Likewise.
17441         (vn_nary_op_lookup): Declare.
17442         (vn_nary_op_insert): Likewise.
17443         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
17444         and binary hashes, use a single obstack for unary_op_pool
17445         and binary_op_pool.
17446         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
17447         a single struct vn_nary_op_s.  Store tree code length and
17448         a variable number of operands.
17449         (struct vn_reference_op_struct): Remove unused op2.
17450         (vn_reference_op_eq): Do not compare op2.
17451         (vn_reference_op_compute_hash): Do not compute hash of op2.
17452         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
17453         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
17454         with vn_nary_op_compute_hash.
17455         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
17456         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
17457         vn_nary_op_lookup.
17458         (vn_unary_op_insert, vn_binary_op_insert): Replace with
17459         vn_nary_op_insert.
17460         (visit_unary_op): Call nary functions.
17461         (visit_binary_op): Likewise.
17462         (process_scc): Adjust for struct vn_tables_s changes.
17463         (allocate_vn_table): Likewise.
17464         (free_vn_table): Likewise.
17465         * tree-vn.c (vn_add): Call nary functions.
17466         (vn_lookup): Likewise.
17467
17468 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
17469
17470         PR target/35498
17471         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
17472         wdst back after sync_compare_and_swapqhi_internal.
17473
17474 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
17475
17476         PR target/22152
17477         * config/i386/i386-modes.def (V1DI): New vector mode.
17478         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
17479         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
17480         (MMXMODE248): Ditto.
17481         (MMXMODE): Add V1DI mode.
17482         (mmxvecsize): Change DI mode to V1DI mode.
17483         ("mov<mode>): Use MMXMODEI8 mode iterator.
17484         ("*mov<mode>_internal_rex64"): Ditto.
17485         ("*mov<mode>_internal"): Ditto.
17486         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
17487         ("mmx_sub<mode>3"): Ditto.
17488         ("mmx_adddi3"): Remove insn pattern.
17489         ("mmx_subdi3"): Ditto.
17490         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
17491         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
17492         ("mmx_ashl<mode>3"): Ditto.
17493         ("mmx_lshrdi3"): Remove insn pattern.
17494         ("mmx_ashldi3"): Ditto.
17495         * config/i386/i386.c (classify_argument): Handle V1DImode.
17496         (function_arg_advance_32): Ditto.
17497         (function_arg_32): Ditto.
17498         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
17499         mmx_addv1di3 insn pattern.
17500         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
17501         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
17502         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
17503         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
17504         Remove definitions of built-in functions.
17505         (V1DI_type_node): New node.
17506         (v1di_ftype_v1di_int): Ditto.
17507         (v1di_ftype_v1di_v1di): Ditto.
17508         (v2si_ftype_v2si_si): Ditto.
17509         (v4hi_ftype_v4hi_di): Remove node.
17510         (v2si_ftype_v2si_di): Ditto.
17511         (ix86_init_mmx_sse_builtins): Handle V1DImode.
17512         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
17513         Redefine builtins using def_builtin_const with *_ftype_*_int node.
17514         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
17515         Add new builtins using def_builtin_const.
17516         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
17517         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
17518         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
17519         * config/i386/mmintrin.h (__v1di): New typedef.
17520         (_mm_add_si64): Cast arguments to __v1di type.
17521         (_mm_sub_si64): Ditto.
17522         (_mm_sll_pi16): Cast __count to __v4hi type.
17523         (_mm_sll_pi32): Cast __count to __v2si type.
17524         (_mm_sll_si64): Cast arguments to __v1di type.
17525         (_mm_srl_pi16): Cast __count to __v4hi type.
17526         (_mm_srl_pi32): Cast __count to __v2si type.
17527         (_mm_srl_si64): Cast arguments to __v1di type.
17528         (_mm_sra_pi16): Cast __count to __v4hi type.
17529         (_mm_sra_pi32): Cast __count to __v2si type.
17530         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
17531         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
17532         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
17533         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
17534         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
17535         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
17536         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
17537         (_mm_srai_pi32): Use __builtin_ia32_psradi.
17538         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
17539         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
17540         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
17541         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
17542
17543 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
17544
17545         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
17546
17547 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
17548
17549         PR target/35373
17550         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
17551         reg+const addressing for Altivec modes.  Don't generate reg+reg
17552         addressing for TFmode or TDmode quantities.
17553
17554 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
17555
17556         * c-common.c (vector_types_convertible_p): Call langhook
17557         instead of comptypes.
17558
17559 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17560
17561         PR tree-opt/35402
17562         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
17563         integral and scalar float variables which have a
17564         NULL DECL_INITIAL.
17565
17566 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
17567
17568         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
17569         dwarf_register_span hook when emitting unwind information for
17570         register-to-memory saves.
17571         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
17572         (rs6000_frame_related): Remove call to spe_synthesize_frame.
17573
17574 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
17575
17576         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
17577         for the same VAR_DECL.
17578
17579 2008-03-06  Tom Tromey  <tromey@redhat.com>
17580
17581         * treelang: Delete.
17582         * doc/standards.texi (Standards): Don't mention treelang.
17583         * doc/invoke.texi (Overall Options): Don't mention treelang.
17584         * doc/install.texi (Prerequisites): Don't mention bison or
17585         treelang.
17586         (Configuration): Don't mention treelang.
17587         (Building): Likewise.
17588         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
17589
17590 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
17591
17592         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
17593         word-extractions out of a multi-word object.
17594
17595 2008-03-06  Richard Guenther  <rguenther@suse.de>
17596
17597         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
17598         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
17599         result type and precision.
17600         * expr.c (get_inner_reference): Set unsignedp based on the result
17601         type of BIT_FIELD_REF.
17602         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
17603         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
17604         (try_instantiate_multiple_fields): Likewise.  Use the correct type
17605         for BIT_FIELD_REF.
17606         (sra_build_assignment): Likewise.
17607         (sra_build_elt_assignment): Likewise.
17608         (sra_explode_bitfield_assignment): Likewise.
17609         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
17610         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
17611         set BIT_FIELD_REF_UNSIGNED.
17612         (vectorizable_load): Likewise.
17613
17614 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
17615
17616         * cse.c (cse_extended_basic_block): Invalidate artificial defs
17617         at bb start.
17618
17619 2008-03-06  Richard Guenther  <rguenther@suse.de>
17620
17621         * alias.c (struct alias_set_entry): Move has_zero_child field
17622         to pack with alias_set.
17623
17624 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
17625
17626         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
17627         32bit host.
17628
17629 2008-03-05  Ian Lance Taylor  <iant@google.com>
17630
17631         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
17632
17633 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
17634
17635         * fwprop.c (update_df): Support width and offset parameters of
17636         df_ref_create.
17637         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
17638         global_conflicts): Change DF_REF_EXTRACT to either
17639         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17640         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17641         * df-scan.c (df_ref_record, df_defs_record,
17642         df_ref_create_structure, df_def_record_1, df_uses_record,
17643         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
17644         df_bb_refs_collect, df_entry_block_defs_collect,
17645         df_exit_block_uses_collect): Support new width and offset fields.
17646         (ref_extract_pool): New storage pool.
17647         (df_free_ref): New function.
17648         (df_reg_chain_unlink, df_free_collection_rec,
17649         df_sort_and_compress_refs): Call df_free_ref.
17650         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
17651         of df_ref_extract.
17652         (df_ref_create_structure): Allocate df_ref_extract if offset and
17653         width fields are used.
17654         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
17655         (df_uses_record): Get offset and width from ZERO_EXTRACT
17656         and SIGN_EXTRACT.
17657         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
17658         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17659         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17660         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
17661         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17662         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17663         (df_ref_extract): New structure.
17664         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
17665         (df_ref_create): Add width and offset parameters.
17666
17667 2008-03-05  Richard Guenther  <rguenther@suse.de>
17668
17669         * tree-ssa-structalias.c (get_constraint_for_component_ref):
17670         Use ranges_overlap_p.
17671         (offset_overlaps_with_access): Rename
17672         to ranges_overlap_p and move ...
17673         * tree-flow-inline.h (ranges_overlap_p): ... here.
17674
17675         * tree.h (get_inner_reference, handled_component_p): Update
17676         comments.
17677
17678         * tree.h (record_component_aliases, get_alias_set,
17679         alias_sets_conflict_p, alias_sets_must_conflict_p,
17680         objects_must_conflict_p): Move declarations ...
17681         * alias.h (record_component_aliases, get_alias_set,
17682         alias_sets_conflict_p, alias_sets_must_conflict_p,
17683         objects_must_conflict_p): ... here.
17684         Include coretypes.h.
17685         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
17686
17687 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
17688
17689         * cfg.c: Include tree-flow.h.
17690         (remove_edge_raw): Call redirect_edge_var_map_clear.
17691         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
17692         * tree-flow-inline.h (redirect_edge_var_map_def): New.
17693         (redirect_edge_var_map_result): New.
17694         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
17695         PENDING_STMT use with redirect_edge_var_map_*.
17696         * tree-ssa.c (edge_var_maps): New definition.
17697         (redirect_edge_var_map_add): New.
17698         (redirect_edge_var_map_clear): New.
17699         (redirect_edge_var_map_dup): New.
17700         (redirect_edge_var_map_vector): New.
17701         (redirect_edge_var_map_destroy): New.
17702         (ssa_redirect_edge): Replace PENDING_STMT use with
17703         redirect_edge_var_map_*.
17704         (flush_pending_stmts): Same.
17705         (delete_tree_ssa): Destroy edge var map.
17706         * tree-flow.h (struct _edge_var_map): New.
17707         Define edge_var_map vector type.
17708         Declare redirect_edge_var_map_* prototypes.
17709         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
17710         * tree-cfg.c (reinstall_phi_args): Replace
17711         PENDING_STMT use with redirect_edge_var_map_*.
17712
17713 2008-03-05  Richard Guenther  <rguenther@suse.de>
17714
17715         PR tree-optimization/35472
17716         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
17717         whose single use_stmt has a overlapping set of loaded and
17718         stored symbols as that use_stmt might be a noop assignment then.
17719
17720 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
17721
17722         * gthr-rtems.h: Implement __gthread_mutex_destroy.
17723
17724 2008-03-05  Richard Guenther  <rguenther@suse.de>
17725
17726         PR c++/35336
17727         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
17728         should be constants.
17729         * tree-cfg.c (verify_expr): Verify it.
17730         * fold-const.c (fold_truthop): Remove code generating
17731         BIT_FIELD_REFs of structure bases.
17732         (fold_binary): Likewise.
17733         (fold_ternary): Position and size of BIT_FIELD_REFs are
17734         always host integers.
17735         (make_bit_field_ref): Remove.
17736         (optimize_bit_field_compare): Remove.
17737         (all_ones_mask_p): Remove.
17738
17739 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
17740
17741         PR gcc/33009
17742         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
17743         (split_block_and_df_analyze): New. Split basic block and rebuild
17744         dataflow.
17745         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
17746         SPLIT_BLOCK.
17747         (split_pattern_seq): Likewise.
17748         (erase_matching_seqs): Likewise.
17749         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
17750
17751 2008-03-04  Geoff Keating  <geoffk@apple.com>
17752
17753         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
17754         declaration and code.
17755         (tree_invalid_nonnegative_warnv_p): Likewise.
17756
17757 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
17758
17759         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
17760         examples.  Truncate option-names then causing overfull hbox.
17761
17762 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17763
17764         PR target/35222
17765         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
17766         on hpux10.
17767         * configure: Rebuilt.
17768
17769 2008-03-04  Rafael Espindola  <espindola@google.com>
17770
17771         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
17772         (tree_unary_nonnegative_warnv_p): New.
17773         (tree_binary_nonnegative_warnv_p): New.
17774         (tree_single_nonnegative_warnv_p): New.
17775         (tree_invalid_nonnegative_warnv_p): New.
17776         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
17777
17778 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17779
17780         PR 28322
17781         * opts.c (handle_option): Postpone 'unknown option' errors only for
17782         warning options.
17783
17784 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
17785
17786         PR target/35453
17787         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
17788         (_SIDD_XXX): This.
17789
17790 2008-03-04  Rafael Espindola  <espindola@google.com>
17791
17792         * fold-const.c (tree_unary_nonzero_warnv_p): New.
17793         (tree_binary_nonzero_warnv_p): New.
17794         (tree_single_nonzero_warnv_p): New.
17795         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
17796
17797 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
17798
17799         PR middle-end/35456
17800         * fold-const.c (fold_cond_expr_with_comparison): Prevent
17801         transformations for modes that have signed zeros.
17802         * ifcvt.c (noce_try_abs): Ditto.
17803
17804 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
17805
17806         * config/i386/i386.c (override_options): Force
17807         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
17808
17809 2008-03-04  Jan Hubicka  <jh@suse.cz>
17810
17811         PR c++/35262
17812         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
17813         in last commit.
17814
17815 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17816
17817         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
17818         label to probe the stack.
17819
17820 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17821
17822         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
17823         (__gthr_win32_mutex_destroy): Declare.
17824         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
17825         __gthr_win32_mutex_destroy.
17826         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
17827
17828 2008-03-03  Jan Hubicka  <jh@suse.cz>
17829
17830         PR c++/35262
17831         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
17832         aggressive on inlining cold calls.
17833
17834 2008-03-03  Richard Guenther  <rguenther@suse.de>
17835
17836         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
17837         struct copies into the expression table.
17838         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
17839         (try_to_simplify): Likewise.
17840         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
17841         integral and pointer arguments which do not change the
17842         precision to NOP_EXPRs.
17843         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
17844         VIEW_CONVERT_EXPR case.
17845
17846 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
17847
17848         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
17849         defined in a loop at depth 0 is invariant.
17850         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
17851         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
17852         be called at loop depth 0.
17853
17854 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
17855
17856         PR driver/35420
17857         * gcc.c (process_command): Update copyright notice dates.
17858         * gcov.c (print_version): Likewise.
17859         * gcov-dump.c (print_version): Likewise.
17860         * mips-tfile.c (main): Likewise.
17861         * mips-tdump.c (main): Likewise.
17862
17863 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17864
17865         PR 24924
17866         * c-common.c (flag_permissive): Delete.
17867         (constant_expression_warnings): Check flags first.
17868         (constant_expression_error): New.
17869         * c-common.h (flag_permissive): Delete.
17870         (constant_expression_error): Declare.
17871         * flags.h (flag_permissive): Declare. Update description.
17872         * diagnostic.c (pedwarn): Update.
17873         (permerror): New.
17874         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
17875         (permissive_error_kind): New.
17876         * toplev.c (flag_permissive): Define. Update description.
17877         * toplev.h (permissive_error_kind): Declare.
17878         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
17879         (pedwarn_c90): Use pedantic_warning_kind.
17880         * c-opts.c (c_common_post_options): flag_permissive does not affect
17881         flag_pedantic_errors.
17882
17883 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
17884
17885         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
17886         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
17887         __absvsi2, __absvDI2): Use unsigned arithmetic.
17888
17889 2008-03-02  Andi Kleen  <ak@suse.de>
17890             Richard Guenther  <rguenther@suse.de>
17891
17892         * struct-equiv.c: Remove file.
17893         * cfg_cleanup.c (condjump_equiv_p): Remove.
17894         * Makefile.in (OBJS-common): Remove struct-equiv.o.
17895         (struct-equiv.o): Remove rule.
17896         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
17897         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
17898         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
17899
17900 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17901
17902         * ifcvt.c (noce_process_if_block): Try to handle only the then
17903         block if the else block exists but isn't suitable.
17904
17905 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17906
17907         PR gcc/35063
17908         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
17909         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
17910         regression from previous patch.
17911
17912 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17913
17914         PR gcc/35063
17915         * gthr.h: Add __gthread_mutex_destroy as a function that must be
17916         implemented.
17917         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
17918         * gthr-single.h (__gthread_mutex_destroy): Likewise.
17919         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
17920         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
17921         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
17922         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
17923         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
17924         (__gthread_mutex_destroy_function): Rename to
17925         __gthread_mutex_destroy.
17926         * gthr-dce.h (__gthread_mutex_destroy): Call
17927         pthread_mutex_destroy.
17928         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
17929         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
17930         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
17931
17932 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17933
17934         * df-scan.c (df_ref_chain_change_bb): Simplify.
17935         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
17936         set_block_for_insn if there's any change.
17937         * df.h ((df_insn_change_bb): Fix prototype.
17938         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
17939         df_insn_change_bb, don't call set_block_for_insn.
17940         * emit-rtl.c (reorder_insns): Likewise.
17941         * haifa-sched.c (move_insn): Likewise.
17942
17943 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17944
17945         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
17946
17947 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17948
17949         * tree-flow-inline.h (next_readonly_imm_use): Return
17950         NULL_USE_OPERAND_P after the end.
17951
17952 2008-03-01  Richard Guenther  <rguenther@suse.de>
17953
17954         PR tree-optimization/35411
17955         * tree-sra.c (sra_build_assignment): Split conversion to
17956         final type to a separate statement if we are not assigning
17957         to a register.
17958
17959 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
17960
17961         * fold-const.c (fold_convertible_p): Correct the logic to follow
17962         that in fold_convert().
17963
17964 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
17965
17966         PR c++/35315
17967         * tree-inline.c (build_duplicate_type): When we make a
17968         duplicate type, make it unique in the canonical types system.
17969
17970 2008-02-29  Tom Tromey  <tromey@redhat.com>
17971
17972         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
17973         input_file_stack_history, input_file_stack_restored): Remove.
17974         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17975         * input.h (struct file_stack): Remove.
17976         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17977         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
17978         Likewise.
17979         * diagnostic.h (struct diagnostic_context) <last_module>: Change
17980         type.
17981         (diagnostic_last_module_changed): Add 'map' argument.
17982         (diagnostic_set_last_function): Likewise.
17983         * diagnostic.c (undiagnostic_report_current_module): Iterate using
17984         line map, not input_file_stack.
17985         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
17986
17987 2008-02-29  Paul Brook  <paul@codesourcery.com>
17988
17989         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
17990
17991 2008-02-29  Paul Brook  <paul@codesourcery.com>
17992
17993         * config/arm/ieee754-df.S (muldf3): Use RET macros.
17994
17995 2008-02-29  Richard Guenther  <rguenther@suse.de>
17996
17997         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
17998         vn_lookup_or_add.
17999         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
18000         value for comparing for a store match.
18001         (simplify_unary_expression): Do nothing for SSA_NAMEs.
18002         (try_to_simplify): Do not do a full-blown reference lookup.
18003
18004 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
18005
18006         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
18007         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18008
18009         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
18010
18011 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
18012
18013         * tree-loop-linear.c (try_interchange_loops): Compare memory access
18014         strides against cache sizes.
18015
18016 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
18017
18018         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
18019         constant to fpul.
18020
18021 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
18022
18023         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
18024         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
18025         is smaller than the original promoted value.
18026         (simplify_subreg): If OP is a SUBREG, try to preserve its
18027         SUBREG_PROMOTED_VAR_P information.
18028
18029 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
18030
18031         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
18032         (VN_INFO_GET): Allocate new objects on the obstack.
18033         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
18034         for rpo_numbers_temp, for consistency.
18035         (free_scc_vn): Free the obstack.
18036
18037 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
18038
18039         * doc/invoke.texi: Document -ftree-loop-distribution.
18040         * tree-loop-distribution.c: New.
18041         * tree-pass.h (pass_loop_distribution): New.
18042         * graphds.h (struct graph): Add htab_t indices.
18043         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
18044         * tree-vectorizer.c (rename_variables_in_loop): Extern.
18045         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
18046         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
18047         * tree-data-ref.c (debug_data_dependence_relations): New.
18048         (dump_data_dependence_relation): Also print data references.
18049         (free_data_ref): Extern.
18050         (same_access_functions): Moved...
18051         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
18052         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
18053         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
18054         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
18055         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
18056         (stmts_from_loop): Skip LABEL_EXPR.
18057         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
18058         New.
18059         (build_rdg): Initialize rdg->indices htab.
18060         (free_rdg, stores_from_loop, ref_base_address,
18061         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
18062         have_similar_memory_accesses_1, ref_base_address_1,
18063         remove_similar_memory_refs): New.
18064         * tree-data-ref.h: Depend on tree-chrec.h.
18065         (debug_data_dependence_relations, free_data_ref): Declared.
18066         (same_access_functions): ... here.
18067         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
18068         New.
18069         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
18070         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
18071         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
18072         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
18073         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
18074         rdg_vertex_for_stmt): Declared.
18075         (struct rdg_edge): Add level.
18076         (RDGE_LEVEL): New.
18077         (free_rdg, stores_from_loop, remove_similar_memory_refs,
18078         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
18079         Declared.
18080         (rdg_has_similar_memory_accesses): New.
18081         * tree-vect-analyze.c: Remove unused static decls.
18082         * lambda.h (dependence_level): New.
18083         * common.opt (ftree-loop-distribution): New.
18084         * tree-flow.h (mark_virtual_ops_in_bb,
18085         slpeel_tree_duplicate_loop_to_edge_cfg,
18086         rename_variables_in_loop): Declared.
18087         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
18088         (OBJS-common): Add tree-loop-distribution.o.
18089         (tree-loop-distribution.o): New rule.
18090         * tree-cfg.c (mark_virtual_ops_in_bb): New.
18091         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
18092         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
18093
18094 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
18095
18096         PR target/33963
18097         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
18098         other than structures and unions.
18099
18100 2008-02-28  Richard Guenther  <rguenther@suse.de>
18101
18102         Revert:
18103         2008-02-26  Richard Guenther  <rguenther@suse.de>
18104
18105         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18106         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18107         (lookup_decl_from_uid): Declare.
18108         (remove_decl_from_map): Likewise.
18109         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18110         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18111         (decl_for_uid_map): New global hashtable mapping DECL_UID
18112         to the decl tree.
18113         (init_ttree): Allocate it.
18114         (insert_decl_to_uid_decl_map): New helper function.
18115         (make_node_stat): Insert new decls into the map.
18116         (copy_node_stat): Likewise.
18117         (lookup_decl_from_uid): New function.
18118         (remove_decl_from_map): Likewise.
18119         (print_decl_for_uid_map_statistics): New helper.
18120         (dump_tree_statistics): Call it.
18121
18122         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18123         (referenced_var_iterator): Adjust.
18124         (FOR_EACH_REFERENCED_VAR): Adjust.
18125         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18126         (num_referenced_vars): Adjust.
18127         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18128         (first_referenced_var): Remove.
18129         (end_referenced_vars_p): Likewise.
18130         (next_referenced_var): Likewise.
18131         (referenced_var_iterator_set): New helper function.
18132         * tree-dfa.c (referenced_var_lookup): Adjust.
18133         (referenced_var_check_and_insert): Likewise.
18134         (remove_referenced_var): Likewise.
18135         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18136         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18137         (verify_call_clobbering): Likewise.
18138         (verify_memory_partitions): Likewise.
18139         (init_tree_ssa): Allocate bitmap instead of hashtable for
18140         referenced_vars.
18141         (delete_tree_ssa): Adjust.
18142         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18143         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18144         (compute_tag_properties): Likewise.
18145         (set_initial_properties): Likewise.
18146         (find_partition_for): Likewise.
18147         (update_reference_counts): Likewise.
18148         (dump_may_aliases_for): Likewise.
18149         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18150         (add_call_clobber_ops): Likewise.
18151         (add_call_read_ops): Likewise.
18152         (get_asm_expr_operands): Likewise.
18153         * tree-into-ssa.c (dump_decl_set): Likewise.
18154         (update_ssa): Likewise.
18155         * tree-sra.c (scan_function): Likewise.
18156         (decide_instantiations): Likewise.
18157         (scalarize_parms): Likewise.
18158         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18159         (dsa_named_for): Likewise.
18160         * tree-ssa-structalias.c (update_alias_info): Likewise.
18161         (merge_smts_into): Likewise.
18162
18163 2008-02-27  David Daney  <ddaney@avtrex.com>
18164
18165         PR target/34409
18166         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
18167         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
18168         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
18169         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
18170         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
18171
18172 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
18173
18174         PR target/25477
18175         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
18176         (BUILT_IN_NEXTTOWARD): Remove.
18177         (BUILT_IN_NEXTTOWARDF): Ditto.
18178         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
18179         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
18180
18181 2008-02-27  Tom Tromey  <tromey@redhat.com>
18182
18183         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
18184         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
18185
18186 2008-02-27  Jan Beulich  <jbeulich@novell.com>
18187
18188         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
18189         update the respective field on newdecl.
18190
18191 2008-02-27  Revital Eres  <eres@il.ibm.com>
18192
18193         PR rtl-optimization/34999
18194         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
18195         crossing edges that ends with a call insn.
18196         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
18197         call insn and clear the EDGE_CROSSING flag of the crossing edge
18198         when fixing fallthru edges.
18199
18200 2008-02-27  Richard Guenther  <rguenther@suse.de>
18201
18202         PR middle-end/35390
18203         * fold-const.c (fold_unary): Return the correct argument,
18204         converted to the result type.
18205
18206 2008-02-27  Richard Guenther  <rguenther@suse.de>
18207
18208         PR middle-end/34971
18209         * expr.c (expand_expr_real_1): Assert on rotates that operate
18210         on partial modes.
18211         * fold-const.c (fold_binary): Use the types precision, not the
18212         bitsize of the mode if folding rotate expressions.  Build rotates
18213         only for full modes.
18214
18215 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
18216
18217         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
18218         and CPP_PRAGMA_EOL.
18219         * c-pragma.c (pragma_ns_name): New typedef.
18220         (registered_pp_pragmas): New variable.
18221         (c_pp_lookup_pragma): New function.
18222         (c_register_pragma_1): If flag_preprocess_only, do nothing
18223         for non-expanded pragmas, for expanded ones push pragma's
18224         namespace and name into registered_pp_pragmas vector.
18225         (c_invoke_pragma_handler): Register OpenMP pragmas even when
18226         flag_preprocess_only, don't register GCC pch_preprocess
18227         pragma if flag_preprocess_only.
18228         * c-opts.c (c_common_init): Call init_pragma even if
18229         flag_preprocess_only.
18230         * c-pragma.c (c_pp_lookup_pragma): New prototype.
18231         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
18232         cpp_register_pragma if flag_preprocess_only.
18233
18234 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18235
18236         PR c/28800
18237         * c-parser.c (c_parser_translation_unit): Warn for empty
18238         translation unit, not empty source file.
18239
18240 2008-02-26  Paul Brook  <paul@codesourcery.com>
18241
18242         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
18243         operand for Thumb-2.
18244         * config/arm/arm.h (reg_class): Add CORE_REGS.
18245         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
18246         (BASE_REG_CLASS): Use CORE_REGS.
18247         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
18248         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
18249         (REGNO_OK_FOR_INDEX_P): Exclude SP.
18250         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
18251         ARM_REGNO_OK_FOR_INDEX_P.
18252         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
18253         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
18254         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
18255         (ldm/stm peepholes): Ditto.
18256         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
18257         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
18258         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
18259         * config/arm/constraints.md: Enable "k" constraint on ARM.
18260
18261 2008-02-27  Ben Elliston  <bje@au.ibm.com>
18262
18263         * config/rs6000/rs6000.c: Annotate cache line size field in all
18264         instances of struct processor_costs.
18265
18266 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
18267
18268         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
18269         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
18270         jump_bypass): New counters.
18271         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
18272         * dce.c (gate_ud_dce): Same.
18273         (gate_fast_dce): Same.
18274         * dse.c (gate_dse1): New function.
18275         (gate_dse2): New function.
18276         (gate_dse): Merge results of new gate functions.
18277         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
18278         (gate_handle_jump_bypass): Add dbg_cnt.
18279         (gate_handle_gcse): Add dbg_cnt.
18280         * ifcvt.c (gate_handle_if_conversion): Same.
18281         (gate_handle_if_after_combine): Same.
18282         (gate_handle_if_after_reload): Same.
18283         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
18284
18285 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
18286
18287         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
18288         line sizes.
18289         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
18290
18291 2008-02-26  Jason Merrill  <jason@redhat.com>
18292
18293         PR c++/35315
18294         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
18295         alone if it's the naming decl for the type's main variant.
18296
18297 2008-02-26  Tom Tromey  <tromey@redhat.com>
18298
18299         * system.h (USE_MAPPED_LOCATION): Poison.
18300         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
18301         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
18302         (make_goto_expr_edges): Likewise.
18303         (remove_bb): Likewise.
18304         (execute_warn_function_return): Likewise.
18305         * basic-block.h (struct edge_def) <goto_locus>: Change type to
18306         location_t.
18307         * c-common.c (fname_decl): Remove old location code.
18308         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
18309         location code.
18310         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
18311         variant.
18312         (ASM_INPUT_SOURCE_LOCATION): Likewise.
18313         (gen_rtx_ASM_INPUT): Likewise.
18314         (gen_rtx_ASM_INPUT_loc): Likewise.
18315         (get_rtx_asm_OPERANDS): Remove.
18316         * cfglayout.c (insn_locators_alloc): Remove old location code.
18317         (set_curr_insn_source_location): Likewise.
18318         (curr_insn_locator): Likewise.
18319         * print-tree.c (print_node): Remove old location code.
18320         * tree-mudflap.c (mf_varname_tree): Remove old location code.
18321         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
18322         * cfgexpand.c (expand_gimple_cond_expr): Don't use
18323         location_from_locus.
18324         (construct_exit_block): Remove old location code.
18325         * emit-rtl.c (force_next_line_note): Remove old location code.
18326         * profile.c (branch_prob): Remove old location code.
18327         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
18328         LOC_LINE): Remove old-location variants.
18329         * langhooks.c (lhd_print_error_function): Remove old location
18330         code.
18331         * configure, config.in: Rebuilt.
18332         * configure.ac (--enable-mapped-location): Remove.
18333         * c-decl.c (c_init_decl_processing): Remove old location code.
18334         (finish_function): Likewise.
18335         * recog.c (decode_asm_operands): Remove old location code.
18336         * c-pch.c (c_common_read_pch): Remove old location code.
18337         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
18338         variants.
18339         * gimple-low.c (lower_function_body): Remove old location code.
18340         * toplev.c (unknown_location): Remove.
18341         (push_srcloc): Remove old-location variant.
18342         (process_options): Remove old location code.
18343         (lang_dependent_init): Likewise.
18344         * input.h (UNKNOWN_LOCATION): Move definition.
18345         (location_t): Undeprecate.
18346         (source_locus): Remove.
18347         (location_from_locus): Remove.
18348         (struct location_s): Remove.
18349         Remove all old-location code.
18350         (input_line, input_filename): Remove.
18351         * final.c (final_scan_insn): Remove old location code.
18352         * diagnostic.c (diagnostic_build_prefix): Remove
18353         USE_MAPPED_LOCATION test.
18354         * tree.h (gimple_stmt) <locus>: Now a location_t.
18355         (tree_exp) <locus>: Likewise.
18356         (DECL_IS_BUILTIN): Remove old-location variant.
18357         (annotate_with_file_line, annotate_with_locus): Likewise.
18358         (expr_locus, set_expr_locus): Update.
18359         * tree.c (build1_stat): Remove old location code.
18360         (last_annotated_node): Remove.
18361         (annotate_with_file_line): Remove old-location variant.
18362         (annotate_with_locus): Likewise.
18363         (expr_location): Remove old location code.
18364         (set_expr_location): Likewise.
18365         (expr_has_location): Likewise.
18366         (expr_locus): Likewise.
18367         (set_expr_locus): Likewise.
18368         (expr_filename): Don't use location_from_locus.
18369         (expr_lineno): Likewise.
18370         * rtl-error.c (location_for_asm): Remove old location code.
18371         * c-lex.c (cb_line_change): Remove old location code.
18372         (fe_file_change): Likewise.
18373         (cb_def_pragma): Likewise.
18374         (c_lex_with_flags): Likewise.
18375         * gengtype.c (do_typedef): Don't special-case location types.
18376         (define_location_structures): Remove.
18377         (main): Don't call define_location_structures.
18378         * tree-pretty-print.c (dump_implicit_edges): Remove old location
18379         code.
18380
18381 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18382
18383         PR 26264
18384         * builtins.def (BUILT_IN_STDARG_START): Remove.
18385         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
18386         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
18387         * tree-inline.c (inline_forbidden_p_1): Likewise.
18388
18389 2008-02-26  Richard Guenther  <rguenther@suse.de>
18390
18391         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18392         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18393         (lookup_decl_from_uid): Declare.
18394         (remove_decl_from_map): Likewise.
18395         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18396         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18397         (decl_for_uid_map): New global hashtable mapping DECL_UID
18398         to the decl tree.
18399         (init_ttree): Allocate it.
18400         (insert_decl_to_uid_decl_map): New helper function.
18401         (make_node_stat): Insert new decls into the map.
18402         (copy_node_stat): Likewise.
18403         (lookup_decl_from_uid): New function.
18404         (remove_decl_from_map): Likewise.
18405         (print_decl_for_uid_map_statistics): New helper.
18406         (dump_tree_statistics): Call it.
18407
18408         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18409         (referenced_var_iterator): Adjust.
18410         (FOR_EACH_REFERENCED_VAR): Adjust.
18411         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18412         (num_referenced_vars): Adjust.
18413         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18414         (first_referenced_var): Remove.
18415         (end_referenced_vars_p): Likewise.
18416         (next_referenced_var): Likewise.
18417         (referenced_var_iterator_set): New helper function.
18418         * tree-dfa.c (referenced_var_lookup): Adjust.
18419         (referenced_var_check_and_insert): Likewise.
18420         (remove_referenced_var): Likewise.
18421         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18422         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18423         (verify_call_clobbering): Likewise.
18424         (verify_memory_partitions): Likewise.
18425         (init_tree_ssa): Allocate bitmap instead of hashtable for
18426         referenced_vars.
18427         (delete_tree_ssa): Adjust.
18428         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18429         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18430         (compute_tag_properties): Likewise.
18431         (set_initial_properties): Likewise.
18432         (find_partition_for): Likewise.
18433         (update_reference_counts): Likewise.
18434         (dump_may_aliases_for): Likewise.
18435         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18436         (add_call_clobber_ops): Likewise.
18437         (add_call_read_ops): Likewise.
18438         (get_asm_expr_operands): Likewise.
18439         * tree-into-ssa.c (dump_decl_set): Likewise.
18440         (update_ssa): Likewise.
18441         * tree-sra.c (scan_function): Likewise.
18442         (decide_instantiations): Likewise.
18443         (scalarize_parms): Likewise.
18444         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18445         (dsa_named_for): Likewise.
18446         * tree-ssa-structalias.c (update_alias_info): Likewise.
18447         (merge_smts_into): Likewise.
18448
18449 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18450
18451         PR 34351
18452         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
18453         * c-opts.c (c_common_handle_option): Wall enables
18454         Wvolatile-register-var.
18455         * common.opt: Move Wvolatile-register-var to...
18456         * c.opt: ...here.
18457
18458 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18459
18460         * common.opt (Wlarger-than=): New.
18461         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
18462         -Wlarger-than=.
18463         * opts.c (common_handle_option): Handle -Wlarger-than=.
18464         * optc-gen.awk: Likewise.
18465         * opth-gen.awk: Likewise.
18466         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
18467         * tree-optimize.c (tree_rest_of_compilation): Likewise.
18468
18469 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18470
18471         * c-common.c (match_case_to_enum_1): Add appropriate
18472         OPT_W* parameter to warning.
18473         (c_do_switch_warnings): Likewise.
18474         * c-typeck.c (warning_init): Add one more parameter following
18475         'warning' function.
18476         (push_init_level): Update call to warning_init.
18477         (pop_init_level): Likewise.
18478         (add_pending_init): Likewise.
18479         (output_init_element: Likewise.
18480
18481 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18482
18483         PR 28322
18484         * toplev.c (toplev_main): If there are warnings or error, print
18485         errors for ignored options.
18486         * opts.c (ignored_options): New static variable.
18487         (postpone_unknown_option_error): New.
18488         (print_ignored_options): New.
18489         (handle_option): Postpone errors for unknown -Wno-* options.
18490         * opts.h (print_ignored_options): Declare.
18491
18492 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
18493
18494         * config/mips/mips.md (loadgp_blockage, blockage): Change type
18495         to "ghost".
18496
18497 2008-02-25  Richard Guenther  <rguenther@suse.de>
18498
18499         Revert:
18500         2008-02-25  Richard Guenther  <rguenther@suse.de>
18501
18502         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18503         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18504         (lookup_decl_from_uid): Declare.
18505         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18506         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18507         (decl_for_uid_map): New global hashtable mapping DECL_UID
18508         to the decl tree.
18509         (init_ttree): Allocate it.
18510         (insert_decl_to_uid_decl_map): New helper function.
18511         (make_node_stat): Insert new decls into the map.
18512         (copy_node_stat): Likewise.
18513         (lookup_decl_from_uid): New function.
18514         (print_decl_for_uid_map_statistics): New helper.
18515         (dump_tree_statistics): Call it.
18516
18517         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18518         (referenced_var_iterator): Adjust.
18519         (FOR_EACH_REFERENCED_VAR): Adjust.
18520         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18521         (num_referenced_vars): Adjust.
18522         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18523         (first_referenced_var): Remove.
18524         (end_referenced_vars_p): Likewise.
18525         (next_referenced_var): Likewise.
18526         (referenced_var_iterator_set): New helper function.
18527         * tree-dfa.c (referenced_var_lookup): Adjust.
18528         (referenced_var_check_and_insert): Likewise.
18529         (remove_referenced_var): Likewise.
18530         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18531         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18532         (verify_call_clobbering): Likewise.
18533         (verify_memory_partitions): Likewise.
18534         (init_tree_ssa): Allocate bitmap instead of hashtable for
18535         referenced_vars.
18536         (delete_tree_ssa): Adjust.
18537         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18538         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18539         (compute_tag_properties): Likewise.
18540         (set_initial_properties): Likewise.
18541         (find_partition_for): Likewise.
18542         (update_reference_counts): Likewise.
18543         (dump_may_aliases_for): Likewise.
18544         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18545         (add_call_clobber_ops): Likewise.
18546         (add_call_read_ops): Likewise.
18547         (get_asm_expr_operands): Likewise.
18548         * tree-into-ssa.c (dump_decl_set): Likewise.
18549         (update_ssa): Likewise.
18550         * tree-sra.c (scan_function): Likewise.
18551         (decide_instantiations): Likewise.
18552         (scalarize_parms): Likewise.
18553         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18554         (dsa_named_for): Likewise.
18555         * tree-ssa-structalias.c (update_alias_info): Likewise.
18556         (merge_smts_into): Likewise.
18557
18558 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
18559
18560         PR fortran/29549
18561         * doc/invoke.texi (-fcx-limited-range): Document new option.
18562         * toplev.c (process_options): Handle -fcx-fortran-rules.
18563         * common.opt: Add documentation for -fcx-fortran-rules.
18564
18565 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
18566
18567         PR c/35162
18568         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
18569         actual behaviour and C99.
18570
18571 2008-02-26  Ben Elliston  <bje@au.ibm.com>
18572
18573         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
18574         (ASM_CPU_POWER6_SPEC): Likewise.
18575         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
18576         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
18577         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
18578
18579 2008-02-25  Richard Guenther  <rguenther@suse.de>
18580
18581         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18582         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18583         (lookup_decl_from_uid): Declare.
18584         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18585         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18586         (decl_for_uid_map): New global hashtable mapping DECL_UID
18587         to the decl tree.
18588         (init_ttree): Allocate it.
18589         (insert_decl_to_uid_decl_map): New helper function.
18590         (make_node_stat): Insert new decls into the map.
18591         (copy_node_stat): Likewise.
18592         (lookup_decl_from_uid): New function.
18593         (print_decl_for_uid_map_statistics): New helper.
18594         (dump_tree_statistics): Call it.
18595
18596         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18597         (referenced_var_iterator): Adjust.
18598         (FOR_EACH_REFERENCED_VAR): Adjust.
18599         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18600         (num_referenced_vars): Adjust.
18601         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18602         (first_referenced_var): Remove.
18603         (end_referenced_vars_p): Likewise.
18604         (next_referenced_var): Likewise.
18605         (referenced_var_iterator_set): New helper function.
18606         * tree-dfa.c (referenced_var_lookup): Adjust.
18607         (referenced_var_check_and_insert): Likewise.
18608         (remove_referenced_var): Likewise.
18609         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18610         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18611         (verify_call_clobbering): Likewise.
18612         (verify_memory_partitions): Likewise.
18613         (init_tree_ssa): Allocate bitmap instead of hashtable for
18614         referenced_vars.
18615         (delete_tree_ssa): Adjust.
18616         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18617         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18618         (compute_tag_properties): Likewise.
18619         (set_initial_properties): Likewise.
18620         (find_partition_for): Likewise.
18621         (update_reference_counts): Likewise.
18622         (dump_may_aliases_for): Likewise.
18623         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18624         (add_call_clobber_ops): Likewise.
18625         (add_call_read_ops): Likewise.
18626         (get_asm_expr_operands): Likewise.
18627         * tree-into-ssa.c (dump_decl_set): Likewise.
18628         (update_ssa): Likewise.
18629         * tree-sra.c (scan_function): Likewise.
18630         (decide_instantiations): Likewise.
18631         (scalarize_parms): Likewise.
18632         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18633         (dsa_named_for): Likewise.
18634         * tree-ssa-structalias.c (update_alias_info): Likewise.
18635         (merge_smts_into): Likewise.
18636
18637 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
18638
18639         PR target/35258
18640         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
18641         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
18642         * alias.h (nonoverlapping_memrefs_p): Likewise.
18643
18644 2008-02-25  Jan Beulich  <jbeulich@novell.com>
18645
18646         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
18647         * config/i386/netware-libgcc.exp: Add __bswap?i2,
18648         __emultls_get_address, __emultls_register_common,
18649         __floatundi?f, and _Unwind_GetIPInfo.
18650         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
18651         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
18652         (gen_regparm_prefix): Likewise.
18653         (i386_nlm_encode_section_info): Sync with
18654         config/i386/winnt.c:i386_pe_encode_section_info().
18655         (i386_nlm_maybe_mangle_decl_assembler_name): New.
18656         i386_nlm_mangle_decl_assembler_name): New.
18657         (netware_override_options): New.
18658         * config/i386/netware.h (netware_override_options): Declare.
18659         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
18660         (i386_nlm_mangle_decl_assembler_name): Declare.
18661         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
18662
18663 2008-02-25  Ben Elliston  <bje@au.ibm.com>
18664
18665         PR other/32948
18666         * c-decl.c (grokdeclarator): Remove unused local variables
18667         `typedef_type' and `type_as_written'.
18668         * bb-reorder.c
18669         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
18670         unused local variable `has_hot_blocks'.
18671         (fix_crossing_conditional_branches): Remove unused local variable
18672         `prev_bb'.
18673
18674 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
18675
18676         PR middle-end/19984
18677         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
18678         using DEF_C99_BUILTIN.
18679         (BUILT_IN_NANF): Ditto.
18680         (BUILT_IN_NANL): Ditto.
18681
18682 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
18683             Revital Eres  <eres@il.ibm.com>
18684
18685         * modulo-sched.c (calculate_must_precede_follow): Address TODO
18686         regarding the order of two dependent insns in the same row.
18687
18688 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
18689
18690         * stor-layout.c (layout_decl): Do not bump the alignment of a
18691         bit-field to more than byte alignment if it is packed.
18692
18693 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
18694
18695         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
18696         e300c2 and e300c3.
18697
18698 2008-02-24  Diego Novillo  <dnovillo@google.com>
18699
18700         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
18701
18702         PR 33738
18703         * tree-vrp.c (vrp_evaluate_conditional): With
18704         -Wtype-limits, emit a warning when comparing against a
18705         constant outside the natural range of OP0's type.
18706         * c.opt (Wtype-limits): Move ...
18707         * common.opt (Wtype-limits): ... here.
18708
18709 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
18710
18711         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
18712         * config/rs6000/e300c2c3.md: New file.
18713         * config/rs6000/rs6000.c (processor_costs): Add new costs for
18714         e300c2 and e300c3.
18715         (rs6000_override_options): Add e300c2 and e300c3 cases to
18716         processor_target_table. Do not allow usage of Altivec or Spe
18717         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
18718         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
18719         * config/rs6000/rs6000.h (processor_type): Add
18720         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
18721         (ASM_CPU_SPEC): Add e300c2 and e300c3.
18722         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
18723         and ppce300c3. Include e300c2c3.md.
18724
18725 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
18726
18727         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
18728         instead of TARGET_STRICT_ALIGN.
18729
18730 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
18731
18732         * explow.c (memory_address): Assert that the generated address is
18733         valid.
18734
18735 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
18736
18737         PR target/25477
18738         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
18739         * config/darwin-ppc-ldouble-patch.def: New file.
18740         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
18741         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
18742         SUBTARGET_INIT_BUILTINS if defined.
18743         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
18744         New functions.
18745
18746 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18747
18748         PR rtl-opt/33512
18749         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
18750         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
18751
18752 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18753
18754         PR pch/35027
18755         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
18756         file" warning condtional on -Winvalid-PCH.
18757
18758 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
18759
18760         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
18761
18762 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
18763
18764         PR target/22076
18765         PR target/34256
18766         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
18767         prevent reload from using MMX registers.
18768         (*mov<mode>_internal): Ditto.
18769         (*movv2sf_internal_rex64): Ditto.
18770         (*movv2sf_internal): Ditto.
18771
18772 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18773
18774         PR documentation/31569
18775         * doc/install.texi2html: Use makeinfo --no-number-sections.
18776
18777 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18778
18779         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
18780         ensure that we can address an entire entity > 8 bytes.  Don't
18781         generate reg+reg addressing for such data.
18782
18783 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18784
18785         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
18786         strings when optimizing for size, unless the target cares about
18787         alignment.
18788
18789 2008-02-22  Tom Tromey  <tromey@redhat.com>
18790
18791         * regclass.c (current_pass): Remove declaration.
18792
18793 2008-02-22  Anatoly Sokolov <aesok@post.ru>
18794
18795         * config/avr/libgcc.S (__RAMPZ__): Define.
18796         (__do_copy_data): Add for devices with 128KB code memory.
18797
18798 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18799
18800         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
18801         Use spe_abi.
18802         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
18803
18804 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
18805
18806         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
18807         GENNONACR_REGS.
18808
18809 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18810
18811         PR c/19999
18812         * c-typeck.c (build_binary_op): Warn about floating point
18813         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
18814
18815 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
18816
18817         PR target/34526
18818         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
18819         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
18820         add vrsave.
18821         (rs6000_override_options): Set altivec_abi as default, not override,
18822         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
18823         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
18824         is used; use new member spe_abi.
18825         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
18826         spe_abi and altivec_abi.
18827
18828 2008-02-22  Tomas Bily  <tbily@suse.cz>
18829
18830         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
18831
18832 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18833
18834         PR bootstrap/35273
18835         * config.build (build_file_translate): Set to `CMD //c' only if
18836         it works.
18837         * Makefile.in (build_file_translate): Improve comment.
18838
18839 2008-02-21  Jan Hubicka  <jh@suse.cz>
18840
18841         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
18842         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
18843         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
18844
18845 2008-02-21  Michael Matz  <matz@suse.de>
18846
18847         PR target/35264
18848         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
18849
18850 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
18851
18852         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
18853         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
18854         as insn constraint.
18855         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
18856         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
18857         SSE_VEC_FLOAT_MODE_P as insn constraint.
18858         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
18859         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
18860         sse4a_movntdf using MODEF mode iterator.
18861         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
18862         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
18863         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
18864         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
18865         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
18866         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
18867         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
18868
18869 2008-02-21  Richard Guenther  <rguenther@suse.de>
18870
18871         * tree.def (PAREN_EXPR): New tree code.
18872         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
18873         and PAREN_EXPR.
18874         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
18875         * expr.c (expand_expr_real_1): Likewise.
18876         * tree-inline.c (estimate_num_insns_1): Likewise.
18877         * tree-complex.c (expand_complex_move): Likewise.
18878         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
18879         as plain x.
18880
18881 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18882
18883         PR target/35225
18884         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
18885
18886 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18887
18888         PR target/35190
18889         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
18890
18891         * config/sh/sh.c (find_barrier): Don't go past
18892         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
18893
18894 2008-02-20  DJ Delorie  <dj@redhat.com>
18895
18896         * config/h8300/h8300.md (insv): Force source operand to be a register.
18897
18898         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
18899         as a jump, not as a plain insn.
18900
18901 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
18902
18903         * doc/invoke.texi (Warning Options): Add new option
18904         -Wframe-larger-than=.
18905         (-Wframe-larger-than): Document.
18906
18907         * flags.h (warn_frame_larger_than, frame_larger_than_size):
18908         Add declarations for new option variables.
18909
18910         * final.c (final_start_function): Check the frame size
18911         before emission and issue a Wframe-larger-than warning.
18912
18913         * opts.c (warn_frame_larger_than, frame_larger_than_size):
18914         Add definitions for new option variables.
18915         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
18916
18917         * common.opt (Wframe-larger-than=): New option.
18918
18919 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18920
18921         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
18922         (<sse>_div<mode>3): Ditto.
18923         (<sse>_vmdiv<mode>3): Ditto.
18924         (<sse>_vmsqrt<mode>2): Ditto.
18925         (*smax<mode>3): Ditto.
18926         (sse5_frcz<mode>2): Ditto.
18927         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
18928         as insn constraint.
18929
18930 2008-02-20  Richard Guenther  <rguenther@suse.de>
18931
18932         PR middle-end/35265
18933         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
18934         be happy with INTEGRAL_TYPE_P.
18935
18936 2008-02-20  Richard Guenther  <rguenther@suse.de>
18937
18938         * fold-const.c (split_tree): Associate floatig-point expressions
18939         if flag_associative_math is set.
18940
18941 2008-02-20  Richard Guenther  <rguenther@suse.de>
18942
18943         * tree.h (fold_real_zero_addition_p): Declare.
18944         * fold-const.c (fold_real_zero_addition_p): Export.
18945         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
18946         floating-point operations with zero and one.
18947
18948 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
18949
18950         * doc/install.texi: Correct references to CFLAGS, replacing them
18951         with BOOT_CFLAGS.  Document flags used during bootstrap for
18952         target libraries.
18953
18954 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18955
18956         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
18957         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
18958         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
18959         insn constraint.
18960         (smin<mode>3): Ditto from similar patterns.
18961         (smax<mode>3): Ditto.
18962         (*ieee_smin<mode>3): Ditto.
18963         (*ieee_smax<mode>3): Ditto.
18964         * config/i386/sse.md (sse): New mode attribute.
18965         (mov<mode>): Macroize expander from movv4sf and movv2df using
18966         SSEMODEF2P mode iterator.
18967         (<sse>_movnt<mode>): Ditto from similar patterns. Use
18968         SSE_VEC_FLOAT_MODE_P as insn constraint.
18969         (storent<mode>): Ditto.
18970         (storent<mode>): Macroize expander from storentsf and storentdf using
18971         MODEF mode iterator.
18972         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
18973         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
18974         (abs<mode>2): Ditto from similar patterns.
18975         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
18976         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
18977         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
18978         (<sse>_vmsqrt<mode>2): Ditto.
18979         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
18980         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
18981         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
18982         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
18983         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
18984         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
18985         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
18986         insn constraint.
18987         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
18988         iterator and SSE_FLOAT_MODE_P as insn constraint.
18989         (<sse>_ucomi): Ditto from similar patterns.
18990         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
18991         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
18992         SSE_VEC_FLOAT_MODE_P as insn constraint.
18993         (vcond<mode>): Ditto from similar patterns.
18994         (and<mode>3, *and<mode>3): Ditto.
18995         (<sse>_nand<mode>3): Ditto.
18996         (ior<mode>3, *ior<mode>3): Ditto.
18997         (xor<mode>3, *xor<mode>3): Ditto.
18998         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
18999         iterator and SSE_FLOAT_MODE_P as insn constraint.
19000         (*nand<mode>3): Ditto from similar patterns.
19001         (*ior<mode>3): Ditto.
19002         (*xor<mode>3): Ditto.
19003
19004 2008-02-20  Ira Rosen  <irar@il.ibm.com>
19005
19006         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
19007         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
19008         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
19009
19010 2008-02-19  Jan Hubicka  <jh@suse.cz>
19011
19012         * predict.c (tree_bb_level_predictions): Remove variable next
19013         mistakely introduced by previous commit.
19014
19015 2008-02-19  Jan Hubicka  <jh@suse.cz>
19016
19017         * predict.c (predict_paths_leading_to): Rewrite.
19018         (predict_paths_for_bb): New.
19019         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
19020
19021 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19022
19023         PR bootstrap/35218
19024         * Makefile.in (build_file_translate): New.
19025         (gcc-vers.texi): Use it for translating $(abs_srcdir).
19026         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
19027         * configure.ac (build_file_translate): Substitute it.
19028         * configure: Regenerate.
19029
19030 2008-02-19  Jan Hubicka  <jh@suse.cz>
19031
19032         PR rtl-optimization/34408
19033         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
19034         invalid sharing.
19035
19036 2008-02-19  Jan Hubicka  <jh@suse.cz>
19037
19038         PR middle-end/28779
19039         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
19040         call_expr.
19041
19042 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
19043
19044         PR Ada/35186
19045         * config/i386/i386-modes.def: Revert the last DI alignment
19046         change until Ada people can look into it.
19047
19048 2008-02-19  Nick Clifton  <nickc@redhat.com>
19049
19050         * opts.c (print_specific_help): Fix typo in --help text.
19051
19052 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
19053
19054         PR target/35239
19055         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
19056         32-bit inline asm without asm alternatives for host GCC < 3.0.
19057
19058 2008-02-19  Richard Guenther  <rguenther@suse.de>
19059
19060         PR tree-optimization/34989
19061         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
19062         Allow propagation to INDIRECT_REF if we can simplify only.
19063
19064 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19065
19066         * c-common.c (warn_for_collisions_1): Use appropriate option when
19067         warning.
19068
19069 2008-02-19  Nick Clifton  <nickc@redhat.com>
19070
19071         PR other/31349
19072         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
19073         (handle_options): Fix indentation.
19074         (print_filtered_help): If no language-specific options were
19075         displayed tell the user how to list all the options supported by
19076         the language's front-end.
19077         (print_specific_help): Fix indentation and remove duplicate line.
19078         (common_handle_option): Handle the -v option.
19079         For --help enable the display of undocumented options if the -v
19080         switch has been included on the command line.
19081         For --help= check for overlaps in the arguments between the option
19082         classes and the language names and issue a warning when they
19083         cannot be disambiguated.
19084         * c.opt (v): Pass on to the common option handler.
19085
19086 2008-02-19  Revital Eres  <eres@il.ibm.com>
19087
19088         * modulo-sched.c (sms_schedule): Change dump message when
19089         create_ddg function fails.
19090         (try_scheduling_node_in_cycle): Rename row to cycle.
19091         (print_partial_schedule): Rename CYCLE to ROW.
19092
19093 2008-02-19  Christian Bruel  <christian.bruel@st.com>
19094             Zdenek Dvorak  <ook@ucw.cz>
19095
19096         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
19097
19098 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
19099
19100         PR target/33555
19101         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
19102         (*x86_movdicc_0_m1_se): Ditto.
19103
19104 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
19105
19106         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
19107         (CMPtype): Define as __gcc_CMPtype.
19108         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
19109         (CMPtype): Define as __gcc_CMPtype.
19110
19111 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
19112
19113         Support valgrind 3.3 for --enable-checking=valgrind.
19114         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
19115         here.
19116         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
19117         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
19118         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
19119         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
19120         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
19121         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
19122         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
19123         respectively.
19124         * ggc-zone.c: Similar.
19125         * ggc-page.c: Similar.
19126
19127 2008-02-19  Paul Brook  <paul@codesourcery.com>
19128
19129         PR target/35071
19130         * config/arm/ieee754-df.S: Fix do_it typo.
19131         * config/arm/ieee754-sf.S: Fix do_it typo.
19132
19133 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
19134
19135         PR target/35189
19136         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
19137         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
19138         (OPTION_MASK_ISA_SSE_SET): Likewise.
19139         (OPTION_MASK_ISA_SSE2_SET): Likewise.
19140         (OPTION_MASK_ISA_SSE3_SET): Likewise.
19141         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
19142         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
19143         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
19144         (OPTION_MASK_ISA_SSE4_SET): Likewise.
19145         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
19146         (OPTION_MASK_ISA_SSE5_SET): Likewise.
19147         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
19148         (OPTION_MASK_ISA_MMX_UNSET): Updated.
19149         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
19150         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
19151         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
19152         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
19153         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
19154         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
19155         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
19156         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
19157         (OPTION_MASK_ISA_SSE4): Removed.
19158         (ix86_handle_option): Turn on bits in ix86_isa_flags and
19159         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
19160         (override_options): Don't turn on implied SSE/MMX bits in
19161         ix86_isa_flags.
19162
19163 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
19164
19165         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
19166         32bit host.
19167
19168 2008-02-18  Joey Ye  <joey.ye@intel.com>
19169
19170         PR middle-end/34921
19171         * tree-nested.c (insert_field_into_struct): Set type alignment
19172         to field alignment if the former is less than the latter.
19173
19174 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
19175
19176         * BASE-VER: Set to 4.4.0.
19177
19178 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
19179
19180         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
19181         * doc/cfg.texi: Likewise.
19182         * doc/extend.texi: Likewise.
19183         * doc/gty.texi: Likewise.
19184         * doc/invoke.texi: Likewise.
19185         * doc/loop.texi: Likewise.
19186         * doc/md.texi: Likewise.
19187         * doc/passes.texi: Likewise.
19188         * doc/rtl.texi: Likewise.
19189         * doc/sourcebuild.texi: Likewise.
19190         * doc/tm.texi: Likewise.
19191         * doc/tree-ssa.texi: Likewise.
19192
19193 2008-02-17  Richard Guenther  <rguenther@suse.de>
19194
19195         PR middle-end/35227
19196         * tree-complex.c (init_parameter_lattice_values): Handle parameters
19197         without default definition.
19198
19199 2008-02-17  Richard Guenther  <rguenther@suse.de>
19200
19201         PR tree-optimization/35231
19202         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
19203         if A | B != 1.
19204
19205 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
19206
19207         Revert:
19208         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19209         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
19210         libgcc_cmp_return mode.
19211
19212 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19213
19214         PR c/28368
19215         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
19216
19217 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
19218
19219         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
19220         multilibs.
19221
19222 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19223
19224         * doc/c-tree.texi: Use `@.' where appropriate.
19225         * doc/extend.texi: Likewise.
19226         * doc/install.texi: Likewise.
19227         * doc/invoke.texi: Likewise.
19228         * doc/loop.texi: Likewise.
19229         * doc/makefile.texi: Likewise.
19230         * doc/md.texi: Likewise.
19231         * doc/passes.texi: Likewise.
19232         * doc/standards.texi: Likewise.
19233         * doc/tm.texi: Likewise.
19234
19235 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
19236
19237         PR middle-end/35196
19238         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
19239         in entry_bb.
19240         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
19241         rather than in entry_bb.
19242
19243 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19244
19245         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
19246         libgcc_cmp_return mode.
19247
19248 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
19249
19250         PR middle-end/35130
19251         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
19252         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
19253
19254 2008-02-15  Richard Guenther  <rguenther@suse.de>
19255             Zdenek Dvorak  <ook@ucw.cz>
19256
19257         PR tree-optimization/35164
19258         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
19259         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
19260         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
19261         Only propagate addresses which do not have abnormal SSA_NAMEs
19262         in their operands.
19263
19264 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
19265
19266         PR target/35088
19267         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
19268
19269 2008-02-15  Jan Hubicka  <jh@suse.cz>
19270
19271         PR middle-end/35149
19272         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
19273
19274 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19275
19276         PR middle-end/34621
19277         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
19278         when calculating alignment_pad.
19279
19280 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19281
19282         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
19283         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
19284         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
19285         and STACK_BOUNDARY define.
19286
19287 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
19288
19289         PR preprocessor/35061
19290         * c-pragma.c (handle_pragma_pop_macro): Check that
19291         pushed_macro_table has been allocated.
19292
19293 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
19294
19295         PR middle-end/35136
19296         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
19297         (force_gimple_operand): Likewise.
19298         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
19299         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
19300         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
19301         (find_interesting_uses_address): Check addressability and alignment
19302         of the base expression only after substituting bases of IVs into it.
19303
19304 2008-02-14  Michael Matz  <matz@suse.de>
19305
19306         PR target/34930
19307         * function.c (instantiate_virtual_regs_in_insn): Reload address
19308         before falling back to reloading the whole operand.
19309
19310 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
19311
19312         * config/s390/s390.c (s390_mainpool_start): Emit the pool
19313         before the first section switch note.
19314
19315 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
19316
19317         * doc/bugreport.texi: Update copyright years.
19318         * doc/c-tree.texi: Likewise.
19319         * doc/cfg.texi: Likewise.
19320         * doc/cpp.texi: Likewise.
19321         * doc/cppinternals.texi: Likewise.
19322         * doc/fragments.texi: Likewise.
19323         * doc/frontends.texi: Likewise.
19324         * doc/gcc.texi: Likewise.
19325         * doc/gty.texi: Likewise.
19326         * doc/hostconfig.texi: Likewise.
19327         * doc/implement-c.texi: Likewise.
19328         * doc/libgcc.texi: Likewise.
19329         * doc/loop.texi: Likewise.
19330         * doc/makefile.texi: Likewise.
19331         * doc/options.texi: Likewise.
19332         * doc/passes.texi: Likewise.
19333         * doc/rtl.texi: Likewise.
19334         * doc/sourcebuild.texi: Likewise.
19335         * doc/standards.texi: Likewise.
19336         * doc/tree-ssa.texi: Likewise.
19337         * doc/trouble.texi: Likewise.
19338
19339         * doc/extend.texi: Use @: or add comma where appropriate.
19340         * doc/invoke.texi: Likewise.
19341         * doc/tm.texi: Likewise.
19342
19343 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
19344
19345         PR target/34393
19346         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
19347         to a reg.
19348
19349 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
19350
19351         * doc/md.texi (clz, ctz): Add reference.
19352         * doc/rtl.texi (clz, ctz): Likewise.
19353
19354 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19355
19356         PR other/35148
19357         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
19358         srcdir.
19359
19360 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
19361
19362         * config/s390/s390.c (struct constant_pool): New field
19363         emit_pool_after added.
19364         (s390_mainpool_start): Set the emit_pool_after flag according
19365         to the section switch notes.
19366         (s390_mainpool_finish): Consider emit_pool_after when emitting
19367         the literal pool at the end of the function.
19368         (s390_chunkify_start): Force literal pool splits at section
19369         switch notes.
19370
19371 2008-02-13  Michael Matz  <matz@suse.de>
19372
19373         PR debug/35065
19374         * var-tracking.c (clobber_variable_part): Correctly traverse the
19375         list.
19376
19377 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19378
19379         PR 29673
19380         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
19381         Add -fdump-ipa-inline.
19382         * tree-dump.c (dump_files): Remove tree-inlined dump.
19383         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
19384
19385 2008-02-12  Richard Guenther  <rguenther@suse.de>
19386
19387         PR tree-optimization/35171
19388         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
19389         default defs.
19390
19391 2008-02-12  Richard Guenther  <rguenther@suse.de>
19392
19393         PR middle-end/35163
19394         * fold-const.c (fold_widened_comparison): Use get_unwidened in
19395         value-preserving mode.  Disallow final truncation.
19396
19397 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
19398
19399         PR middle-end/35136
19400         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
19401         code from here to...
19402         (force_gimple_operand): ...here.
19403
19404 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
19405
19406         PR c++/35144
19407         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
19408         non-compatible pointers.
19409         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
19410         different FIELD_DECLs, try harder by comparing field offsets, sizes
19411         and types.
19412
19413         PR inline-asm/35160
19414         * function.c (match_asm_constraints_1): Don't replace the same input
19415         multiple times.
19416
19417 2008-02-12  Anatoly Sokolov <aesok@post.ru>
19418
19419         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
19420         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
19421         (expand_epilogue): Restore RAMPZ register.
19422         * config/avr/avr.md (RAMPZ_ADDR): New constant.
19423
19424 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
19425
19426         * config/i386/cygwin.asm: (__alloca): Correct calling
19427         convention and alignment.
19428         (__chkstk): Force 8 byte stack alignment.
19429
19430 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
19431             Richard Guenther  <rguenther@suse.de>
19432
19433         PR tree-optimization/33992
19434         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
19435         the zero we compare against.
19436
19437 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
19438
19439         PR libfortran/35063
19440         * gthr-win32.h (__gthread_mutex_destroy_function): New function
19441         to CloseHandle after unlocking to prevent accumulation of handle
19442         count.
19443
19444 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19445
19446         PR middle_end/34150
19447         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
19448         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
19449         and update LABEL_NUSES during and after reload.
19450
19451 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
19452
19453         PR middle-end/34627
19454         * combine.c (simplify_if_then_else): Make sure the comparison is
19455         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
19456
19457 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
19458
19459         PR bootstrap/35051
19460         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
19461         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
19462         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
19463         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
19464         * tree.h (get_type_static_bounds): Likewise.
19465
19466 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19467
19468         * doc/invoke.texi (Option Summary, C++ Dialect Options)
19469         (Objective-C and Objective-C++ Dialect Options, Warning Options):
19470         Make -Wfoo language annotations match what the compiler outputs.
19471
19472 2008-02-08  Sa Liu  <saliu@de.ibm.com>
19473
19474         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
19475         intrinsics spu_convts, spu_convtu, spu_convtf.
19476
19477 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
19478
19479         * doc/extend.texi (Function Attributes) <noinline>: Mention
19480         asm ("") as method to keep calls.
19481
19482 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19483
19484         PR other/32754
19485         * doc/options.texi (Options): Replace references to opts.sh with
19486         optc-gen.awk.
19487         * opts-common.c: Likewise.
19488         * optc-gen.awk: Likewise.
19489
19490 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
19491
19492         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
19493
19494 2008-02-07  Richard Henderson  <rth@redhat.com>
19495
19496         PR rtl-opt/33410
19497         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
19498         EXPR_LIST for the REG_EQUAL instead of a comparison with a
19499         funny mode.
19500
19501 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
19502
19503         PR tree-optimization/35085
19504         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
19505         for operand entry oe2 in addition to operand entry oe3 in order to
19506         expose more opportunities for vectorizer sum reduction.
19507
19508 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19509
19510         PR other/35107
19511         * Makefile.in (LIBS): Remove $(GMPLIBS).
19512         (cc1-dummy, cc1): Add $(GMPLIBS).
19513
19514 2008-02-06  Jan Hubicka  <jh@suse.cz>
19515
19516         PR target/23322
19517         * i386.md (moddf_integer): Do not produce partial memory stalls for
19518         targets where it hurts.
19519
19520 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
19521
19522         PR target/35083
19523         * optabs.c (expand_float): Do not check for decimal modes when
19524         expanding unsigned integer through signed conversion.
19525
19526 2008-02-06  Nick Clifton  <nickc@redhat.com>
19527
19528         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
19529         inside the clobber with a match_operand and duplicated operand
19530         number in the constraint.
19531         (ineqbranchsi): Delete redundant comment.
19532
19533 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
19534
19535         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
19536         builtin_define ("__USE_INIT_FINI__").
19537         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
19538         -msx multilibs.
19539         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
19540
19541 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19542
19543         PR documentation/30330
19544         * doc/invoke.texi (C++ Dialect Options)
19545         (Objective-C and Objective-C++ Dialect Options, Warning Options):
19546         For each warning option -Wfoo that allows -Wno-foo, ensure both
19547         -Wfoo and -Wno-foo are listed in the option index.  Fix index
19548         entry of -Wswitch-default, index -Wnormalized= including the
19549         `=', and -Wlarger-than-@var{len} including @var{len}.
19550
19551 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
19552
19553         * config/i386/i386.md (floatunssisf2): Use
19554         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
19555         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
19556         Macroize expander using MODEF mode iterator.
19557
19558 2008-02-05  Diego Novillo  <dnovillo@google.com>
19559
19560         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
19561
19562         PR 33738
19563         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
19564
19565 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19566
19567         PR other/35070
19568         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
19569
19570 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
19571
19572         PR target/35084
19573         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
19574         to indicate if a message should be generated.
19575         (init_cumulative_args): Updated.
19576         (function_value_32): Likewise.
19577
19578 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
19579
19580         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
19581
19582 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
19583
19584         PR target/35083
19585         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
19586         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
19587
19588 2008-02-04  Diego Novillo  <dnovillo@google.com>
19589
19590         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
19591
19592         PR 33738
19593         * tree-vrp.c (vrp_evaluate_conditional): With
19594         -Wtype-limits, emit a warning when comparing against a
19595         constant outside the natural range of OP0's type.
19596
19597 2008-02-04  Richard Guenther  <rguenther@suse.de>
19598
19599         PR middle-end/33631
19600         * expr.c (count_type_elements): Give for unions instead of
19601         guessing.
19602
19603 2008-02-04  Richard Guenther  <rguenther@suse.de>
19604
19605         PR middle-end/35043
19606         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
19607         to TYPE_DOMAINs base type instead of using bitsizetype here.
19608
19609 2008-02-03  Jason Merrill  <jason@redhat.com>
19610
19611         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
19612
19613 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19614
19615         PR other/29972
19616         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
19617         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
19618         (RS/6000 and PowerPC Options): Fix typos and markup.
19619         * doc/passes.texi (Tree-SSA passes): Likewise.
19620
19621 2008-02-02  Michael Matz  <matz@suse.de>
19622
19623         PR target/35045
19624         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
19625         from record_last_reg_set_info.
19626         (record_last_reg_set_info): Take an RTX argument, iterate over all
19627         constituent hardregs.
19628         (record_last_set_info, record_opr_changes): Change calls to
19629         new signature or to record_last_reg_set_info_regno.
19630
19631 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
19632
19633         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
19634
19635 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
19636
19637         PR rtl-optimization/34773
19638         * reg-notes.def (EQUAL): Mention significance of combination of
19639         REG_EQUAL and REG_RETVAL.
19640         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
19641         insn that has a REG_RETVAL.
19642
19643 2008-02-01  Roger Sayle  <roger@eyesopen.com>
19644
19645         PR bootstrap/33781
19646         * configure.ac (--enable-fixed-point): Disable unless explicitly
19647         requested on IRIX.
19648         * configure: Regenerate.
19649
19650 2008-02-01  Richard Guenther  <rguenther@suse.de>
19651
19652         PR other/35042
19653         * invoke.texi (-finline-limit): Remove no longer true parts
19654         of the documentation.  Note that there is no default value.
19655
19656 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
19657             Mark Mitchell  <mark@codesourcery.com>
19658             Ben Elliston  <bje@au.ibm.com>
19659
19660         PR c/29326
19661         * doc/extend.texi (Other Builtins): Document.
19662
19663 2008-01-31  Tom Browder <tom.browder@gmail.com>
19664
19665         * doc/c-tree.texi (Types): Fix grammar.
19666         (Expression trees): Ditto.
19667         * doc/passes.texi (Tree-SSA passes): Ditto.
19668
19669         * doc/configterms.texi (Configure Terms): Fix typo.
19670         * doc/cpp.texi (Common Predefined Macros): Ditto.
19671         * doc/md.texi (Machine Constraints): Ditto.
19672
19673         * doc/makefile.texi (Makefile): Add comma.
19674
19675 2008-01-31  Tom Browder  <tom.browder@gmail.com>
19676             Gerald Pfeifer  <gerald@pfeifer.com>
19677
19678         * doc/sourcebuild.texi (Front End): Remove references to CVS
19679         and CVSROOT/modules.
19680         (Texinfo Manuals): Replace reference to CVS by one to SVN.
19681         (Back End): Remove reference to CVS.
19682
19683 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19684
19685         PR target/34900
19686         * config/mips/mips.c (gen_load_const_gp): New function, taking a
19687         comment from...
19688         (mips16_gp_pseudo_reg): ...here.
19689         * config/mips/mips.md (load_const_gp): Replace with...
19690         (load_const_gp_<mode>): ...this :P-based insn.
19691
19692 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19693
19694         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
19695         options. Minor fixes.
19696         (-std): Move reference to standards closer to where language
19697         standards are first mentioned.
19698
19699 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19700
19701         PR rtl-optimization/34995
19702         * reload.c (alternative_allows_const_pool_ref): Take an rtx
19703         parameter and return a bool.  If the rtx parameter is nonnull,
19704         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
19705         (find_reloads): Update call accordingly.  Pass the new operand
19706         if it needed no address reloads, otherwise pass null.
19707
19708 2008-01-30  Richard Henderson  <rth@redhat.com>
19709
19710         PR c/34993
19711         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
19712         for unbounded arrays.
19713
19714 2008-01-30  Silvius Rus  <rus@google.com>
19715
19716         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
19717
19718 2008-01-30  Jan Hubicka  <jh@suse.cz>
19719
19720         PR target/34982
19721         * i386.c (init_cumulative_args): Use real function declaration when
19722         calling locally.
19723
19724 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
19725
19726         PR rtl-optimization/34998
19727         * global.c (build_insn_chain): Treat non-subreg_lowpart
19728         SUBREGs of pseudos as clobbering all the words covered by the
19729         SUBREG, not just all the bytes.
19730         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
19731         original df_ref rather than an extract parameter.
19732         (global_conflicts): Update call accordingly.
19733
19734 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
19735
19736         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
19737         the overflow check to make it easier to read.
19738         (__fixtfdi): Change the type of the ll member in union
19739         long_double to UDItype_x.
19740
19741 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
19742
19743         PR middle-end/34969
19744         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
19745         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
19746         * tree-inline.c (fold_marked_statements): Call
19747         cgraph_update_edges_for_call_stmt if folding a call statement.
19748         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
19749         debug_generic_stmt calls, reset it back afterwards.
19750
19751         PR c/35017
19752         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
19753         static decls.
19754         * c-typeck.c (build_external_ref): Don't pedwarn about
19755         static vars in current function's scope.
19756
19757 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
19758
19759         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
19760
19761 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
19762
19763         PR c/35002
19764         * ipa-struct-reorg.c: Fix spelling.
19765         * params.def: Ditto.
19766
19767 2008-01-29  Richard Guenther  <rguenther@suse.de>
19768
19769         PR middle-end/35006
19770         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
19771         field.
19772         * tree-inline.c (remap_type): Increment remapping_type_depth
19773         around remapping types.
19774         (copy_body_r): Only add referenced variables if they are referenced
19775         from code, not types.
19776
19777 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
19778
19779         PR c++/34055
19780         PR c++/34103
19781         PR c++/34219
19782         PR c++/34606
19783         PR c++/34753
19784         PR c++/34754
19785         PR c++/34755
19786         PR c++/34919
19787         PR c++/34961
19788         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
19789         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
19790
19791 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
19792
19793         PR target/34412
19794         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
19795         pointer for tiny stack.
19796
19797 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19798
19799         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
19800
19801 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19802
19803         * config/vx-common.h: Fix typo in comment.
19804
19805 2008-01-28  Ian Lance Taylor  <iant@google.com>
19806
19807         PR c++/34862
19808         PR c++/33407
19809         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
19810         coalesce pointers if they have different DECL_NO_TBAA_P values.
19811         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
19812         between variables with different DECL_NO_TBAA_P values.
19813
19814 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
19815
19816         PR 31535
19817         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
19818         are not legitimate small data references on SPE targets.
19819
19820 2008-01-28  David Daney  <ddaney@avtrex.com>
19821
19822         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
19823
19824 2008-01-28  David Daney  <ddaney@avtrex.com>
19825
19826         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
19827
19828 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
19829
19830         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
19831         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
19832         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
19833         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
19834         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
19835         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
19836         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
19837         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
19838
19839 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19840
19841         * basic-block.h (condjump_equiv_p): Fix comment.
19842
19843 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19844
19845         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
19846         print_generic_stmt_indented): Fix comment.
19847
19848 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19849
19850         * configure.ac (__stack_chk_fail): Add detecion for availability
19851         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
19852         * configure: Regenerate.
19853
19854 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
19855
19856         PR middle-end/34688
19857         * final.c (output_addr_const): Handle TRUNCATE.
19858
19859 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
19860
19861         PR target/34711
19862         * tree-ssa-loop-ivopts.c (comp_cost): New type.
19863         (zero_cost, infinite_cost): New constants.
19864         (struct cost_pair): Change type of cost to comp_cost.
19865         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
19866         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
19867         New functions.
19868         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
19869         split_address_cost, ptr_difference_cost, difference_cost,
19870         get_computation_cost_at, get_computation_cost,
19871         determine_use_iv_cost_generic, determine_use_iv_cost_address,
19872         determine_use_iv_cost_condition, determine_use_iv_costs,
19873         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
19874         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
19875         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
19876         Change type of cost to comp_cost.
19877         (determine_iv_cost): Increase cost of non-original ivs, instead
19878         of decreasing the cost of original ones.
19879         (get_address_cost): Indicate the complexity of the addressing mode
19880         in comp_cost.
19881         (try_add_cand_for): Prefer using ivs not specific to some object.
19882         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
19883
19884 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
19885             Janis Johnson  <janis187@us.ibm.com>
19886
19887         PR target/34814
19888         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
19889         (TARGET_INSTANTIATE_DECLS): Likewise.
19890         * target.h (expand_to_rtl_hook): New target hook.
19891         (instantiate_decls): Likewise.
19892         * function.c (instantiate_decl): Make non-static.  Rename to...
19893         (instantiate_decl_rtl): ... this.
19894         (instantiate_expr): Use instantiate_decl_rtl.
19895         (instantiate_decls_1): Likewise.
19896         (instantiate_decls): Likewise.
19897         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
19898         * function.h (instantiate_decl_rtl): Add prototype.
19899         * cfgexpand.c (target.h): New include.
19900         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
19901         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
19902         (TARGET_INSTANTIATE_DECLS): Likewise.
19903         (TARGET_INITIALIZER): New target hooks added.
19904         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
19905         New prototype.
19906         * config/rs6000/rs6000.c (tree-flow.h): New include.
19907         (machine_function): Add sdmode_stack_slot field.
19908         (rs6000_alloc_sdmode_stack_slot): New function.
19909         (rs6000_instantiate_decls): Likewise.
19910         (rs6000_secondary_memory_needed_rtx): Likewise.
19911         (rs6000_check_sdmode): Likewise.
19912         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
19913         (TARGET_INSTANTIATE_DECLS): Likewise.
19914         (rs6000_hard_regno_mode_ok): Allow SDmode.
19915         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
19916         (rs6000_emit_move): Handle SDmode.
19917         (function_arg_advance): Likewise.
19918         (function_arg): Likewise.
19919         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
19920         SDmode var args for 32-bit compiles.
19921         (rs6000_secondary_reload_class): Handle SDmode.
19922         (rs6000_output_function_epilogue): Likewise.
19923         (rs6000_function_value): Simplify if statement.
19924         (rs6000_libcall_value): Likewise.
19925         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
19926         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
19927         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
19928         (movsd_hardfloat): New define_insn.
19929         (movsd_softfloat): Likewise.
19930         (movsd_store): Likewise.
19931         (movsd_load): Likewise.
19932         (extendsddd2): Likewise.
19933         (extendsdtd2): Likewise.
19934         (truncddsd2): Likewise.
19935         (movdd_hardfloat64): Fixup comment.
19936         (UNSPEC_MOVSD_LOAD): New constant.
19937         (UNSPEC_MOVSD_STORE): Likewise.
19938
19939 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
19940
19941         PR c++/34965
19942         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
19943         TRUTH_XOR_EXPR.
19944         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
19945         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
19946         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
19947         and TRUTH_XOR_EXPR.
19948
19949 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
19950
19951         PR target/34794
19952         * config.gcc: Separate AIX 5.3 from AIX 6.1.
19953         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
19954         __LONGDOUBLE128 too.
19955         * config/rs6000/aix61.h: New file.
19956
19957 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19958
19959         PR rtl-optimization/34959
19960         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
19961         popcount and parity rtxes the same mode as their operand.
19962         Truncate or extend the result to the return value's mode
19963         if necessary.
19964
19965 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19966
19967         PR target/34981
19968         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
19969         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
19970         to GOT_VERSION_REGNUM.
19971         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
19972         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
19973         * config/mips/mips.c (mips_emit_call_insn): New function.
19974         (mips_call_tls_get_addr): Call mips_expand_call directly.
19975         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
19976         emit_call_insn.
19977         (mips16_build_call_stub): Likewise.  Return the call insn or null.
19978         (mips_expand_call): Update the call to mips16_build_call_stub
19979         accordingly and a remove redundant condition.  Assert that MIPS16
19980         stubs do not use lazy binding.  Use mips_emit_call_insn and return
19981         the call insn.
19982         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
19983         TARGET_USE_GOT.
19984         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
19985         (mips_avoid_hazard): Remove hazard_set handling.
19986         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
19987         (UNSPEC_RESTORE_GP): ...this.
19988         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
19989         (FAKE_CALL_REGNO): Rename to...
19990         (GOT_VERSION_REGNUM): ...this.
19991         (type): Add "ghost" value.  Add an associated insn reservation.
19992         (hazard_set): Remove.
19993         (exception_receiver): Rename to...
19994         (restore_gp): ...this and update the unspec identifier accordingly.
19995         (exception_receiver, nonlocal_got_receiver): New expanders.
19996         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
19997         FAKE_CALL_REGNO.  Remove hazard_set attribute.
19998         (set_got_version, update_got_version): New patterns.
19999
20000 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
20001
20002         PR target/34970
20003         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
20004
20005 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
20006
20007         PR other/31955
20008         * doc/install.texi2html: Generate gcc-vers.texi.
20009
20010 2008-01-25  DJ Delorie  <dj@redhat.com>
20011
20012         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
20013
20014 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
20015
20016         * config/c4x: Remove directory.
20017         * config.gcc (crx-*, mt-*): Mark obsolete.
20018         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
20019         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
20020         sh-*-rtemscoff*): Remove cases.
20021         * defaults.h (C4X_FLOAT_FORMAT): Remove.
20022         * real.c (encode_c4x_single, decode_c4x_single,
20023         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
20024         c4x_extended_format): Remove.
20025         * real.h (c4x_single_format, c4x_extended_format): Remove.
20026         * doc/extend.texi (interrupt, naked): Remove mention of attributes
20027         on C4x.
20028         (Pragmas): Remove comment about c4x pragmas.
20029         * doc/install.texi (c4x): Remove target-specific instructions.
20030         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
20031         * doc/md.texi (Machine Constraints): Remove C4x documentation.
20032         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
20033         refer to C4x source files as examples.
20034         (C4X_FLOAT_FORMAT): Remove documentation.
20035
20036 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
20037
20038         * config/bfin/bfin.c (override_options): Reorder tests so that
20039         flag_pic gets enabled for -msep-data.
20040
20041 2008-01-25  Richard Guenther  <rguenther@suse.de>
20042
20043         PR middle-end/32244
20044         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
20045         to its bitfield precision if required.
20046
20047 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
20048
20049         PR middle-end/33880
20050         * tree-nested.c (walk_omp_for): New function.
20051         (convert_nonlocal_reference, convert_local_reference): Call
20052         walk_omp_for on OMP_FOR.
20053         (convert_call_expr): Call walk_body on OMP_FOR's
20054         OMP_FOR_PRE_INIT_BODY.
20055
20056 2008-01-25  Richard Guenther  <rguenther@suse.de>
20057
20058         PR tree-optimization/34966
20059         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
20060         default defs and PHI_NODEs we have to insert after the
20061         defining statement.
20062
20063 2008-01-24  Nick Clifton  <nickc@redhat.com>
20064
20065         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
20066         Provide a default definition.
20067         (LIBGCC2_UNITS_PER_WORD): Likewise.
20068
20069         * config/stormy16/stormy16.c: Include df.h for the prototype
20070         for df_regs_ever_live_p.
20071         (xstormy16_expand_builtin_va_start): Convert the stack offset
20072         into a component_ref and then use POINTER_PLUS_EXPR to add it
20073         to the incoming_virtual_args_rtx.
20074         (xstormy16_gimplify_va_arg_expr): Rename to
20075         xstormy16_gimplify_va_arg_expr.
20076         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
20077         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
20078         xstormy16_gimplify_va_arg_expr.
20079         Fix up some formatting issues.
20080
20081         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
20082         Move to predicates.md.
20083         (xs_hi_general_operand): Likewise.
20084         (xs_hi_nonmemory_operand): Likewise.
20085         * config/stormy16/predicates.md:
20086         (xstormy16_carry_plus_operand): New predicate.
20087         (xs_hi_general_operand): New predicate.
20088         (xs_hi_nonmemory_operand): New predicate.
20089         * config/stormy16/stormy16-protos.h:
20090         (xstormy16_carry_plus_operand): Delete prototype.
20091         (xs_hi_general_operand): Likewise.
20092         (xs_hi_nonmemory_operand): Likewise.
20093
20094         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
20095         modifiers as they are no longer needed and they can trigger
20096         reload spill failures.
20097
20098         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
20099         with a match_operand in order to help reload.
20100
20101         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
20102         constraint with 'e' for the 8th alternative as this version of
20103         the mov.w instruction only accepts the lower 8 registers.
20104
20105 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
20106
20107         PR target/34856
20108         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
20109         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
20110         vector elements.
20111
20112 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
20113
20114         PR middle-end/33333
20115         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
20116
20117 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
20118
20119         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
20120         New functions.
20121         (remove_structure): Update allocations list before removing structure.
20122
20123 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
20124
20125         * ipa-struct-reorg.c (is_safe_cond_expr,
20126         create_new_stmts_for_cond_expr): Use integer_zerop function,
20127         that recognize not only zero-pointer, but zero-integer too.
20128
20129 2008-01-25  Ben Elliston  <bje@au.ibm.com>
20130
20131         PR other/22232
20132         * fixproto: Escape "." in sed expression that strips leading "./".
20133
20134 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
20135
20136         PR driver/34904
20137         * gcc.c (SWITCH_OK): Removed.
20138         (SWITCH_LIVE): Changed to bit.
20139         (SWITCH_FALSE): Likewise.
20140         (SWITCH_IGNORE): Likewise.
20141         (switchstr): Change live_cond to unsigned int.
20142         (process_command): Replace SWITCH_OK with 0.
20143         (do_self_spec): Likewise.
20144         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
20145         (give_switch): Likewise.
20146         (used_arg): Likewise.
20147         (do_spec_1): Set the SWITCH_IGNORE bit.
20148         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
20149         bits.  Set the SWITCH_LIVE bit.
20150
20151 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
20152
20153         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
20154
20155 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
20156
20157         PR tree-optimization/34472
20158         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
20159         parameter to a "bool *" and set *DATA to false if there is
20160         an unsafe access.  Do not delete the structure here.
20161         (check_cond_exprs): Delete it here instead.
20162         (check_cond_exprs, exclude_cold_structs): Do not increase
20163         I when removing a structure.
20164
20165 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
20166
20167         PR target/34856
20168         * config/i386/i386.c (ix86_expand_vector_init): Consider only
20169         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
20170
20171 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
20172
20173         PR middle-end/34934
20174         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
20175         a fixed vector for stack.
20176
20177 2008-01-24  Ben Elliston  <bje@au.ibm.com>
20178
20179         PR c++/25701
20180         * doc/gcc.texi (Software development): Add a direntry for g++.
20181
20182 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
20183
20184         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
20185         stale and straggling -fforce-addr comments above.
20186
20187         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
20188         define.
20189         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
20190         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
20191
20192 2008-01-23  Michael Matz  <matz@suse.de>
20193
20194         PR debug/34895
20195         * dwarf2out.c (force_type_die): Use modified_type_die instead of
20196         gen_type_die.
20197
20198 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
20199
20200         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
20201         malloc result type.
20202
20203 2008-01-23 Anatoly Sokolov <aesok@post.ru>
20204
20205         * config/avr/avr.c (avr_current_arch): New variable.
20206         (avr_arch_types): Add 'avr31' and 'avr51' entries.
20207         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
20208         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
20209         (avr_override_options): Init 'avr_current_arch'.
20210         (base_arch_s): Move from here...
20211         * config/avr/avr.h (base_arch_s): ... here. Add new members
20212         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
20213         'mega' to 'have_jmp_call'.
20214         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
20215         "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
20216         macros.
20217         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
20218         architectures.
20219         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
20220         MULTILIB_MATCHES): Ditto.
20221
20222 2008-01-23  Richard Guenther  <rguenther@suse.de>
20223
20224         PR middle-end/31529
20225         * cgraphunit.c (cgraph_reset_node): Always mark the node
20226         not reachable if it is not queued already.
20227
20228 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
20229
20230         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
20231         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
20232         (cputype_selected): New static variable.
20233         (bfin_handle_option): Set it if -mcpu is used.
20234         (override_option): Select default set of workarounds if no cpu type
20235         selected on the command line.
20236         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
20237
20238         From  Michael Frysinger  <michael.frysinger@analog.com>
20239         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
20240         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
20241
20242         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
20243         for bf547, bf523, bf524, and bf526.
20244         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
20245         bf526.
20246         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
20247         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
20248         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
20249         __ADSPBF547__ and __ADSPBF54x__ for bf547.
20250         * doc/invoke.texi (Blackfin Options): Document that
20251         -mcpu now accept bf547, bf523, bf524, and bf526.
20252
20253 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
20254
20255         PR rtl-optimization/34628
20256         * combine.c (try_combine): Stop and undo after the first combination
20257         if an autoincrement side-effect on the first insn has effectively
20258         been lost.
20259
20260 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
20261
20262         PR target/34529
20263         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
20264         Offset addresses are not valid for Altivec or paired float modes.
20265
20266 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
20267
20268         PR c++/34607
20269         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
20270         if DECL_INITIAL (decl) is error_mark_node.
20271
20272         PR c++/34914
20273         * c-common.c (handle_vector_size_attribute): Only allow
20274         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
20275         the same way as pointer, array etc. types.
20276         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
20277
20278         PR c++/34917
20279         * tree.c (build_type_attribute_qual_variant): Call
20280         build_qualified_type if attributes are equal, but quals are not.
20281
20282 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20283
20284         PR 32102
20285         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
20286         * flags.h (warn_strict_aliasing): Remove.
20287         (warn_strict_overflow): Remove.
20288         * opts.c (warn_strict_aliasing): Remove.
20289         (warn_strict_overflow): Remove.
20290         * c-opts.c (c_common_handle_option): -Wall only sets
20291         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
20292         (c_common_post_options): Give default values to -Wstrict-aliasing
20293         and -Wstrict-overflow if they are uninitialized.
20294         * common.opt (Wstrict-aliasing): Specify Var and Init.
20295         (Wstrict-overflow): Likewise.
20296
20297 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
20298
20299         PR rtl-optimization/26854
20300         PR rtl-optimization/34400
20301         PR rtl-optimization/34884
20302         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
20303         DF_RD->gen.
20304         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
20305         (df_rd_bb_info.expanded_lr_out): Deleted
20306         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
20307         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
20308         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
20309         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
20310         Removed code to allocate, initialize or free expanded_lr_out.
20311         (df_rd_bb_local_compute_process_def): Restructured to make more
20312         understandable.
20313         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
20314         sets if the sets are being trimmed.
20315
20316 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
20317
20318         PR bootstrap/32287
20319         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
20320         (as_vers): Likewise.
20321         * configure: Regenerated.
20322
20323 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20324
20325         PR middle-end/33092
20326         * tree-pass.h (pass_build_alias): New pass.
20327         * tree-ssa-alias.c (gate_build_alias): New.
20328         (pass_build_alias): New.
20329         * passes.c (init_optimization_passes): Add pass_build_alias after
20330         pass_create_structure_vars.
20331
20332 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
20333
20334         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
20335         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
20336         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
20337         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
20338         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
20339         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
20340         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
20341         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
20342         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
20343         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
20344         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
20345         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
20346         * config/s390/s390.md (FP_ALL): New mode iterator.
20347         (_d): New mode attribute.
20348         ("*signbit<mode>2>"): Changed mode of first operand.
20349         ("isinf<mode>2"): Changed mode of first operand.
20350         ("*TDC_insn"): Adaptation for DFP modes.
20351
20352 2008-01-22  Ben Elliston  <bje@au.ibm.com>
20353
20354         * tree.c (check_qualified_type): Improve function description.
20355
20356 2008-01-21  Jason Merrill  <jason@redhat.com>
20357
20358         PR c++/34196
20359         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
20360         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
20361         if it is set.
20362
20363 2008-01-21  DJ Delorie  <dj@redhat.com>
20364
20365         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
20366         return zero.
20367
20368 2008-01-21  Richard Guenther  <rguenther@suse.de>
20369
20370         PR middle-end/34856
20371         * tree-cfg.c (verify_expr): Allow all invariant expressions
20372         instead of just constant class ones as reference argument.
20373         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
20374         like any other constant.
20375         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
20376
20377 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
20378
20379         * regmove.c (fixup_match_1): Update call crossed frequencies.
20380
20381 2008-01-21  Richard Guenther  <rguenther@suse.de>
20382
20383         PR c/34885
20384         * tree-inline.c (setup_one_parameter): Deal with mismatched
20385         types using a VIEW_CONVERT_EXPR.
20386
20387 2008-01-21  Alon Dayan  <alond@il.ibm.com>
20388             Olga Golovanevsky  <olga@il.ibm.com>
20389
20390         PR tree-optimization/34701
20391         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
20392         when the structure size is not a power of 2.
20393
20394 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
20395
20396         * doc/install.texi: Add doc for --enable-checking=df.
20397
20398 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
20399
20400         PR rtl-optimization/34808
20401         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
20402
20403 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
20404
20405         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
20406         input.
20407
20408 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
20409
20410         PR rtl-optimization/26854
20411         PR rtl-optimization/34400
20412         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
20413         DF_RD->gen.
20414         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
20415         (df_rd_bb_info.expanded_lr_out): New.
20416         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
20417         * loop_iv.c (iv_analysis_loop_init): Ditto.
20418         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
20419         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
20420         Added code to allocate, initialize or free expanded_lr_out.
20421         (df_rd_bb_local_compute_process_def): Restructured to make
20422         more understandable.
20423         (df_rd_confluence_n): Add code to do nothing with fake edges and
20424         code to no apply invalidate_by_call sets if the sets are being trimmed.
20425         (df_lr_local_finalize): Renamed to df_lr_finalize.
20426         (df_live_local_finalize): Renamed to df_live_finalize.
20427
20428 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
20429
20430         PR target/34831
20431         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
20432         deciding whether to use reciprocal instructions.
20433
20434 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
20435
20436         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
20437         dwarf2out_note_section_used if cold_text_section is NULL.
20438
20439 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
20440
20441         PR gcov-profile/34610
20442         * tree-cfg.c (make_edges): Mark both outgoing edges from
20443         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
20444         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
20445         from OMP_FOR and OMP_CONTINUE outgoing edges.
20446
20447         * tree-profile.c (tree_profiling): Return early if
20448         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
20449         at the end.
20450         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
20451         from cfun to child_cfun.
20452         * function.h (struct function): Add after_tree_profile bit.
20453
20454 2008-01-19 Anatoly Sokolov <aesok@post.ru>
20455
20456         * config/avr/avr.S (_exit): Disable interrupt.
20457
20458 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
20459             Steven Bosscher  <stevenb.gcc@gmail.com>
20460
20461         PR rtl-optimization/26854
20462         PR rtl-optimization/34400
20463         * df-problems.c (df_live_scratch): New scratch bitmap.
20464         (df_live_alloc): Allocate df_live_scratch when doing df_live.
20465         (df_live_reset): Clear the proper bitmaps.
20466         (df_live_bb_local_compute): Only process the artificial defs once
20467         since the order is not important.
20468         (df_live_init): Init the df_live sets only with the variables
20469         found live by df_lr.
20470         (df_live_transfer_function): Use the df_lr sets to prune the
20471         df_live sets as they are being computed.
20472         (df_live_free): Free df_live_scratch.
20473
20474 2008-01-18  Ian Lance Taylor  <iant@google.com>
20475
20476         * common.opt: Add fmerge-debug-strings.
20477         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
20478         flag_merge_debug_strings rather than flag_merge_constants.
20479         * doc/invoke.texi (Option Summary): Mention
20480         -fmerge-debug-strings.
20481         (Debugging Options): Document -fmerge-debug-strings.
20482
20483 2008-01-18  Ian Lance Taylor  <iant@google.com>
20484
20485         PR c++/33407
20486         * tree.h (DECL_IS_OPERATOR_NEW): Define.
20487         (struct tree_function_decl): Add new field operator_new_flag.
20488         * tree-inline.c (expand_call_inline): When inlining a call to
20489         operator new, force the return value to go into a variable, and
20490         set DECL_NO_TBAA_P on that variable.
20491         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
20492
20493 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
20494
20495         PR debug/34484
20496         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
20497         DWARF2_DEBUGGING_INFO.
20498         (dwarf2out_note_section_used): Ditto.  Add prototype.
20499         (have_multiple_function_sections, text_section_used,
20500         cold_text_section_used, *cold_text_sections): Move declarations
20501         before their uses.
20502
20503 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
20504
20505         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
20506         field and add signal_ra.
20507         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
20508         assignments to frame state pc.  Move end of stack check after
20509         MD_FALLBACK_FRAME_STATE_FOR.
20510         (uw_update_context_1): Use frame state signal_regs if set, instead
20511         of checking signal_frame flag.
20512         (uw_update_context): Use frame state signal_ra if set.
20513         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
20514         * config/xtensa/linux-unwind.h: New file.
20515
20516 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
20517
20518         * modulo-sched.c (get_sched_window): Fix comment typo.
20519
20520 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
20521
20522         PR tree-optimization/34648
20523         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
20524
20525 2008-01-17  Anatoly Sokolov <aesok@post.ru>
20526
20527         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
20528         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
20529
20530 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
20531
20532         PR rtl-optimization/34400
20533         * df-core.c (df_worklist_dataflow_overeager,
20534         df_worklist_dataflow_doublequeue): New functions.
20535         (df_worklist_dataflow): Two different worklist solvers.
20536         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
20537         New param.
20538
20539 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20540
20541         PR testsuite/34821
20542         * doc/invoke.texi: Document the dependence on pthread for fopenmp
20543         and ftree-parallelize-loops.
20544
20545 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
20546
20547         PR rtl-optimization/34826
20548         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
20549
20550 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
20551
20552         * global.c (find_reg): Mark the eh regs as used if necessary.
20553         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
20554         * ra.h (struct allocno): no_eh_reg field added.  Changed
20555         no_stack_reg type to bitfield.
20556
20557 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
20558
20559         * tree.c (substitute_in_expr): Add missing 'break'.
20560
20561 2008-01-17  Richard Guenther  <rguenther@suse.de>
20562
20563         PR tree-optimization/34825
20564         * tree-ssa-math-opts.c (is_division_by): Do not recognize
20565         x / x as division to handle.
20566
20567 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20568
20569         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
20570         "-pthread" is specified.
20571         * pa-hpux11.h (LIB_SPEC): Likewise.
20572
20573 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
20574             Peter Bergner  <bergner@vnet.ibm.com>
20575
20576         PR rtl-optimization/33796
20577         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
20578
20579 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20580
20581         PR libgfortran/34699
20582         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
20583         static links.
20584         * pa-hpux10.h (LINK_SPEC): Likewise.
20585         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
20586
20587 2008-01-16  Richard Guenther  <rguenther@suse.de>
20588
20589         PR middle-end/32628
20590         * fold-const.c (fold_convert_const_int_from_int): Do not
20591         set overflow if that occured only because of a sign extension
20592         change when converting from/to a sizetype with the same
20593         precision and signedness.
20594
20595 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
20596
20597         PR debug/34249
20598         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
20599         location address to the correct place.  Update copyright year.
20600
20601 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20602
20603         * lambda-code.c (lambda_transform_legal_p): Handle the case of
20604         no dependences in the dependence_relations vector.
20605
20606 2008-01-16  Jan Hubicka  <jh@suse.cz>
20607
20608         PR rtl-optimization/31396
20609         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
20610         * cfg.c (dump_reg_info): Print it.
20611         * regs.h (struct reg_info_t): add freq_calls_crossed.
20612         (REG_FREQ_CALLS_CROSSED): New macro.
20613         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
20614         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
20615         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
20616         regmove_optimize): Update call crossed frequencies.
20617         * local-alloc.c (struct qty): Add freq_calls_crossed.
20618         (alloc_qty): Copute freq_calls_crossed.
20619         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
20620         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
20621         * ra.h (struct allocno): Add freq_calls_crossed.
20622
20623 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20624
20625         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
20626         libgomp when compiling with ftree-parallelize-loops.
20627         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
20628
20629 2008-01-16  Richard Guenther  <rguenther@suse.de>
20630
20631         PR tree-optimization/34769
20632         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
20633         * tree.c (int_cst_value): Instead make this function more
20634         permissive in what it accepts as valid input.  Document this
20635         function always sign-extends the value.
20636
20637 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
20638             Richard Guenther  <rguenther@suse.de>
20639
20640         PR c/34668
20641         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
20642         (gimple_fold_indirect_ref_rhs): ... this.
20643         (gimple_fold_indirect_ref): New function with foldings
20644         that preserve lvalueness.
20645         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
20646         * tree-flow.h (gimple_fold_indirect_ref): Declare.
20647         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
20648         to fold an INDIRECT_REF, fall back to the old use of
20649         fold_indirect_ref_1.
20650
20651 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20652
20653         * tree-data-ref.c (subscript_dependence_tester_1): Call
20654         free_conflict_function.
20655         (compute_self_dependence): Same.
20656
20657 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
20658
20659         PR debug/34249
20660         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
20661         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
20662         function global.
20663         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
20664         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
20665         for DWARF2_UNWIND_INFO targets.
20666
20667 2008-01-16  Richard Guenther  <rguenther@suse.de>
20668
20669         PR c/34768
20670         * c-typeck.c (common_pointer_type): Do not merge inconsistent
20671         type qualifiers for function types.
20672
20673 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
20674
20675         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
20676         loop_iterator li from previous commit.
20677
20678 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
20679
20680         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
20681
20682 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20683
20684         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
20685         (parallelize_loops): Don't parallelize irreducible components.
20686
20687 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20688
20689         PR c++/24924
20690         * c-opts (c_common_post_options): Do not enable CPP
20691         flag_pedantic_errors by default.
20692
20693 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
20694
20695         PR rtl-optimization/31944
20696         * cse.c (remove_pseudo_from_table): New function.
20697         (merge_equiv_classes): Use above function to remove pseudo-registers.
20698         (invalidate): Likewise.
20699
20700 2008-01-13  Richard Guenther  <rguenther@suse.de>
20701
20702         PR middle-end/34601
20703         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
20704         instead of TYPE_MODE to deal with calls from expand_one_error_var.
20705
20706 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
20707
20708         * gcse.c (cprop_jump): Call validate_unshare_change instead of
20709         validate_change to unshare the source of the PC set.
20710
20711 2008-01-12  Jan Hubicka  <jh@suse.cz>
20712
20713         PR middle-end/32135
20714         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
20715         references above array bounds.  This might trigger bounds checks for
20716         pointers to arrays.
20717
20718 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20719
20720         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
20721         new_replaceable_dependencies.
20722
20723 2008-01-12  Doug Kwan  <dougkwan@google.com>
20724
20725         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
20726         instead of OPT_Wreturn_type in warning due to ignored return type
20727         qualifiers.
20728         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
20729         options included in -Wextra.
20730         * c.opt: New option -Wignored_qualifiers.
20731         * doc/invoke.texi (Warning Options, -Wextra): Add new option
20732         -Wignore_qualifiers.
20733         (-Wignored-qualifiers): Document.
20734         (-Wreturn-type): Remove description of functionality now handled
20735         by -Wignored-qualifiers.
20736
20737 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
20738
20739         PR ada/33788
20740         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
20741         NOP_EXPR if it is between integral types with the same precision.
20742
20743 2008-01-12  Jan Hubicka  <jh@suse.cz>
20744
20745         PR other/28023
20746         * invoke.texi (max-inline-recursive-depth): Fix default value.
20747
20748 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
20749
20750         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
20751         correct type.
20752
20753 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
20754
20755         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
20756
20757 2008-01-11  James E. Wilson  <wilson@specifix.com>
20758
20759         PR target/26015
20760         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
20761
20762 2008-01-11  Anatoly Sokolov <aesok@post.ru>
20763
20764         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
20765         save/restore frame pointer register and don't use 'call-prologues'
20766         optimization in function with "OS_task" attribute.
20767
20768 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
20769
20770         PR middle-end/31309
20771         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
20772         when copying to memory.
20773
20774 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
20775
20776         PR rtl-optimization/30905
20777         * cfgcleanup.c: Include dce.h
20778         (crossjumps_occured): New global variable.
20779         (try_crossjump_bb): Exit loop after finding a fallthru edge.
20780         If something changed, set crossjumps_occured to true.
20781         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
20782         Don't add/remove fake edges to exit here...
20783         (cleanup_cfg): ...but do it here, when crossjumping.
20784         Run a fast DCE when successful crossjumps occured in the latest
20785         iteration of try_optimize_cfg.
20786
20787 2008-01-11  Richard Guenther  <rguenther@suse.de>
20788
20789         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
20790         (struct vn_unary_op_s): Likewise.
20791         (vn_reference_insert): Free old reference on hash collision.
20792
20793 2008-01-10  Raksit Ashok  <raksit@google.com>
20794
20795         PR rtl-optimization/27971
20796         * combine.c (find_split_point): Split PLUS expressions which are
20797         inside a MEM rtx, and whose first operand is complex.
20798
20799 2008-01-10  DJ Delorie  <dj@redhat.com>
20800
20801         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
20802         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
20803         (m32c_hard_regno_ok): Call the underlying function.
20804
20805 2008-01-10  Richard Guenther  <rguenther@suse.de>
20806
20807         PR middle-end/34683
20808         * tree-cfg.c (tree_merge_blocks): Do not go through the
20809         full-blown folding and stmt updating path if we just deal
20810         with virtual operands.
20811         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
20812         test for abnormal SSA_NAMEs.
20813
20814 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
20815
20816         PR middle-end/34641
20817         * reload.c (push_reload): Add assertions.  All constants from
20818         reg_equiv_constant should have been used for replacing the respective
20819         pseudo earlier.
20820         (find_reloads_address): Invoke find_reloads_address_part for
20821         constant taken from the reg_equiv_constant array.
20822
20823 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
20824
20825         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
20826         field (valnum) the first in the struct.  Replace bools with
20827         unit bit fields.
20828
20829 2008-01-10  Richard Guenther  <rguenther@suse.de>
20830
20831         PR tree-optimization/34651
20832         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
20833         types and ordering for masking and converting.
20834
20835 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
20836
20837         PR tree-optimization/34017
20838         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
20839         also for PHI_NODE expressions.
20840
20841 2008-01-09  Jan Hubicka  <jh@suse.cz>
20842
20843         PR tree-optimization/34708
20844         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
20845         based on number of case labels.
20846         (init_inline_once): Remove switch_cost.
20847         * tree-inline.h (eni_weights_d): Remove switch_cost.
20848
20849 2008-01-09  Richard Guenther  <rguenther@suse.de>
20850         Andrew Pinski  <andrew_pinski@playstation.sony.com>
20851
20852         PR middle-end/30132
20853         * gimplify.c (gimplify_cond_expr): Do not create an addressable
20854         temporary if an rvalue is ok or an lvalue is not required.
20855
20856 2008-01-09  Richard Guenther  <rguenther@suse.de>
20857
20858         PR middle-end/34458
20859         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
20860         adjust return type.
20861
20862 2008-01-09  Richard Guenther  <rguenther@suse.de>
20863
20864         PR middle-end/34679
20865         * tree.c (host_integerp): Check for sizetype only if the
20866         type is an integer type.
20867
20868 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
20869
20870         PR debug/26364
20871         * opts.c (decode_options): Disable inlining of functions called
20872         once if not in unit-at-a-time mode.
20873
20874 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
20875
20876         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
20877
20878 2008-01-08  Richard Guenther  <rguenther@suse.de>
20879
20880         PR middle-end/31863
20881         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
20882         out early if the result will be unused.
20883
20884 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20885
20886         PR target/34709
20887         Revert:
20888
20889         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20890         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20891         for TARGET_RECIP.
20892
20893 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
20894
20895         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
20896         for vectorization tuned.
20897
20898 2008-01-08  Richard Guenther  <rguenther@suse.de>
20899
20900         PR tree-optimization/34683
20901         * tree-ssa-operands.c (operand_build_cmp): Export.
20902         * tree-ssa-operands.h (operand_build_cmp): Declare.
20903         * tree-vn.c (vuses_compare): Remove.
20904         (sort_vuses): Use operand_build_cmp.
20905         (sort_vuses_heap): Likewise.
20906         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
20907         to re-use old VEC if available.  Do not sort already sorted VUSEs.
20908         (vdefs_to_vec): Do not sort already sorted VDEFs.
20909
20910 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
20911
20912         PR middle-end/34694
20913         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
20914
20915 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20916
20917         PR target/34702
20918         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
20919         limitations of reciprocal sequences on x86 targets.
20920
20921 2008-01-08  Richard Guenther  <rguenther@suse.de>
20922
20923         PR tree-optimization/34683
20924         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
20925
20926 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
20927
20928         PR target/34622
20929         * config/darwin.c (darwin_mergeable_string_section): Don't use
20930         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
20931
20932 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
20933
20934         PR target/34682
20935         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
20936         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
20937         predicates of op0 and op1 to register_operand.
20938         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
20939         expander using X87MODEF mode iterator.  Change predicates of
20940         op0 and op1 to register_operand.
20941         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
20942         corresponding patterns and macroize using MODEF macro.  Change
20943         predicates of op0 and op1 to register_operand and remove
20944         "m" constraint. Disparage "r" alternative with "!".
20945         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
20946         macroize using X87MODEF macro.  Change predicates of op0 and op1
20947         to register_operand and remove "m" constraint.  Disparage "r"
20948         alternative with "!".
20949         (absneg splitter with memory operands): Remove.
20950         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
20951         patterns and macroize using X87MODEF mode iterator.
20952         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
20953         Change predicate of op1 to register_operand.
20954         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
20955         for memory operands.
20956
20957 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
20958
20959         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
20960
20961 2008-01-07  Richard Guenther  <rguenther@suse.de>
20962
20963         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
20964         fields.
20965
20966 2008-01-07  Richard Guenther  <rguenther@suse.de>
20967
20968         PR tree-optimization/34683
20969         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
20970         VOPs of the needed size to save memory.  Use VEC_quick_push
20971         to save compile-time.
20972         (vdefs_to_vec): Likewise.
20973
20974 2008-01-07  Sa Liu  <saliu@de.ibm.com>
20975
20976         * config/spu/spu.md (divdf3): Genetate inline code for double
20977         division.  The implementation doesn't handle INF or NAN, therefore it
20978         only applies when -ffinite-math-only is given.
20979
20980 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
20981
20982         PR libstdc++/34680
20983         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
20984         * doc/cpp.texi ([Common Predefined Macros]): Document.
20985
20986 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
20987
20988         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
20989         order to use commutative addition instead of subtraction.
20990
20991 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20992             Mircea Namolaru  <namolaru@il.ibm.com>
20993             Vladimir Yanovsky  <yanov@il.ibm.com>
20994             Revital Eres  <eres@il.ibm.com>
20995
20996         PR tree-optimization/34263
20997         * tree-outof-ssa.c (process_single_block_loop_latch,
20998         contains_tree_r): New functions.
20999         (analyze_edges_for_bb): Call process_single_block_loop_latch
21000         function to empty single-basic-block latch block if possible.
21001
21002 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
21003
21004         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
21005         for TARGET_RECIP.
21006         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
21007
21008 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
21009
21010         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
21011
21012 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
21013
21014         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
21015
21016 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
21017
21018         PR tree-optimization/34618
21019         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
21020         flag from T.
21021
21022 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
21023
21024         PR target/34673
21025         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
21026         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
21027         Update copyright year.
21028
21029         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
21030         Update copyright year.
21031         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
21032         using NR fixup.
21033
21034 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
21035
21036         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
21037         edge does not point to current bb before changing need_assert.
21038
21039 2008-01-04  Richard Guenther  <rguenther@suse.de>
21040
21041         PR middle-end/34029
21042         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
21043         for verifying purposes if they are is_gimple_min_invariant.
21044
21045 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
21046
21047         PR tree-optimization/34448
21048         PR tree-optimization/34465
21049         * gimplify.c (gimplify_init_constructor): Add new parameter
21050         notify_temp_creation.  Use it.
21051         (gimplify_modify_expr_rhs): Take volatiles into account when
21052         optimizing constructors.
21053         Do not optimize constructors if gimplify_init_constructor will dump to
21054         memory.
21055         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
21056         * gcc.c-torture/compile/pr34448.c: New.
21057
21058 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
21059
21060         PR gcov-profile/34609
21061         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
21062         return_slot if result is TREE_ADDRESSABLE.
21063
21064 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
21065
21066         * config/mips/mips.md (sqrt_condition): Tweak comment.
21067         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
21068
21069 2008-01-03  Tom Tromey  <tromey@redhat.com>
21070
21071         PR c/34457
21072         * c-common.c (c_type_hash): Handle VLAs.
21073
21074 2008-01-03  Jan Hubicka  <jh@suse.cz>
21075
21076         PR tree-optimization/31081
21077         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
21078         0 when inlining and not inlining to first basic block.
21079         (remap_decl): When var is initialized to 0, don't set default_def.
21080         (expand_call_inline): Set entry_bb.
21081         * tree-inline.h (copy_body_data): Add entry_bb.
21082
21083 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
21084
21085         PR c++/34619
21086         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
21087         before returning.
21088
21089         PR tree-optimization/29484
21090         * tree-inline.c (inline_forbidden_p_2): New function.
21091         (inline_forbidden_p): Disallow inlining if some static var
21092         has an address of a local LABEL_DECL in its initializer.
21093         * doc/extend.texi (Labels as Values): Document &&foo behaviour
21094         vs. inlining.
21095
21096 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
21097
21098         PR tree-optimization/34635
21099         * tree-data-ref.c (add_other_self_distances): Make sure that the
21100         evolution step is constant.
21101
21102 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
21103
21104         PR middle-end/34608
21105         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
21106
21107 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
21108
21109         * tree-sra.c (scalarize_init): Insert the generate_element_init
21110         statements after the generate_element_zero statements.
21111
21112 2008-01-02  Richard Guenther  <rguenther@suse.de>
21113
21114         PR middle-end/34093
21115         PR middle-end/31976
21116         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
21117         for very large number of operands instead of ICEing.
21118
21119 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
21120
21121         PR target/34013
21122         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
21123         while stack probing.
21124
21125 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
21126
21127         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
21128         in C++0x mode.
21129
21130 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
21131
21132         PR libmudflap/26442
21133         * tree-mudflap.c (mx_register_decls): Guard warning by
21134         !DECL_ARTIFICIAL check.
21135
21136 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
21137
21138         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
21139         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
21140         sse5_perm<mode>): Fix constraints.