gcc/ChangeLog

   1 2008-08-31  Hans-Peter Nilsson  <hp@axis.com>
   2
   3         * config/cris/cris.c (cris_rtx_costs): Correct call to rtx_costs.
   4
   5 2008-08-31  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
   6
   7         * gthr-win32.h (__gthread_setspecific): Use CONST_CAST2.
   8         * config/i386/gthr-win32.c (__gthread_setspecific): Same.
   9
  10 2008-08-31  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
  11
  12         * mkmap-flat.awk: Add option pe_dll.
  13         * config/i386/t-cygming (SHLIB_LINK): Support building libgcc_s.
  14         * config/i386/t-cygwin (SHLIB_LC): Add.
  15         * config/i386/t-mingw32 (SHLIB_LC): Add.
  16         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): New.
  17         (SUBTARGET_EXTRA_SPECS): Use SHARED_LIBGCC_UNDEFS_SPEC.
  18         (LINK_SPEC): Support libgcc_s.
  19         (LIBGCC_SPEC): Support libgcc_s.
  20         (LIBGCC_SONAME): New.
  21
  22 2008-08-31  Jan Hubicka  <jh@suse.cz>
  23
  24         * predict.c (maybe_hot_bb_p, maybe_hot_edge_p): Previous commit
  25         mistakely had old version of patch.
  26
  27         * ipa-cp.c (ipcp_need_original_clone_p): Remove.
  28         (ipcp_estimate_growth): New.
  29         (ipcp_insert_stage): Use ipcp_estimate_growth.
  30         * profile.c (branch_prob): When reading failed, do not consider
  31         profile as read.
  32
  33 2008-08-31  Jan Hubicka  <jh@suse.cz>
  34
  35         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Check that
  36         loop is optimized for speed.
  37
  38 2008-08-31  Richard Guenther  <rguenther@suse.de>
  39
  40         PR middle-end/37289
  41         * fold-const.c (fold_binary): Retain conversions in folding
  42         ~A + 1 to -A.
  43
  44 2008-08-31  Jan Hubicka  <jh@suse.cz>
  45
  46         * postreload-gcse.c (eliminate_partially_redundant_loads): Use optimize_bb_for_size_p.
  47         * predict.c (maybe_hot_frequency_p): Make inline.
  48         (maybe_hot_count_p): Break out from ...
  49         (maybe_hot_bb_p): ... this one.
  50         (maybe_hot_edge_p): Simplify.
  51         * basic-block.h (probably_cold_bb_p): Remove.
  52
  53 2008-08-31  Jakub Jelinek  <jakub@redhat.com>
  54
  55         PR target/37168
  56         * config/rs6000/rs6000-protos.h (const_vector_elt_as_int): Add
  57         prototype.
  58         * config/rs6000/rs6000.c (const_vector_elt_as_int): No longer static.
  59         * config/rs6000/altivec.md (easy_vector_constant_add_self splitter):
  60         Also split V4SFmode.
  61         * config/rs6000/predicates.md (easy_vector_constant_add_self): Handle
  62         vector float modes.
  63
  64 2008-08-31  Jan Hubicka  <jh@suse.cz>
  65
  66         * predict.c (PROB_VERY_LIKELY): Make small enough so things
  67         become cold.
  68         * predict.def (PRED_NORETURN_CALL, PRED_COLD_CALL): Use it.
  69
  70 2008-08-31  Jakub Jelinek  <jakub@redhat.com>
  71
  72         PR debug/37287
  73         * dwarf2out.c (gen_namespace_die): For DECL_EXTERNAL modules don't
  74         add source coords.
  75
  76         * dwarf2out.c (native_encode_initializer): Subtract min_index for
  77         non-range array index.  Handle VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
  78
  79 2008-08-31  Jan Hubicka  <jh@suse.cz>
  80
  81         * sparc.h (BRANCH_COST): Fix macro definition.
  82         * avr.c (avr_operand_rtx_cost): Add speed argument.
  83         (avr_rtx_costs): Update calls of avr_operand_rtx_cost.
  84
  85 2008-08-31  Richard Guenther  <rguenther@suse.de>
  86
  87         * tree-cfg.c (verify_types_in_gimple_assign): Dump mismatched
  88         types instead of operands.  Re-instantiate verifying of
  89         binary expression operands.
  90
  91 2008-08-30  Jan Hubicka  <jh@suse.cz>
  92
  93         * fwprop.c (should_replace_address): Add speed attribute.
  94         (PR_OPTIMIZE_FOR_SPEED): New flag.
  95         (propagate_rtx_1): Use it.
  96         (propagate_rtx): Set it.
  97         (try_fwprop_subst): Update call of rtx_costs.
  98         (forward_propagate_and_simplify): LIkewise.
  99         * hooks.c (hook_int_rtx_bool_0): New
 100         (hook_bool_rtx_int_int_intp_false): Replace by ...
 101         (hook_bool_rtx_int_int_intp_bool_false): .. thisone.
 102         * hooks.h (hook_int_rtx_bool_0): New
 103         (hook_bool_rtx_int_int_intp_false): Replace by ...
 104         (hook_bool_rtx_int_int_intp_bool_false): .. thisone.
 105         * optabs.c (avoid_expensive_constant): UPdate call of rtx_cost.
 106         (prepare_cmp_insn): UPdate call of rtx_cost.
 107         * postreload.c (reload_cse_simplify_set): Update call of rtx_cost.
 108         (reload_cse_simplify_operands): Update call of rtx_cost.
 109         (reload_cse_move2add): call of rtx_cost.
 110         * target.h (struct gcc_target): Update rtx_costs and address_costs.
 111         * rtlanal.c (rtx_cost): Add speed argument.
 112         (address_cost): Add speed argument
 113         (default_address_cost): Likewise.
 114         (insn_rtx_cost): Likewise.
 115         * cfgloopanal.c (seq_cost): Add speed argument.
 116         (target_reg_cost, target_spill_cost): Turn to array.
 117         (init_set_costs): Update for speed.
 118         (estimate_reg_pressure_cost): Add speed argument.
 119         * auto-inc-dec.c (attempt_change): Update call of rtx_cost.
 120         * dojump.c (prefer_and_bit_test): UPdate call of rtx_cost.
 121         * tree-ssa-loop-ivopts.c (struct ivopts_data): New field speed.
 122         (seq_cost): Add speed argument.
 123         (computation_cost): Add speed arugment.
 124         (add_cost, multiply_by_const, get_address_cost): add speed argument.
 125         (force_expr_to_var_cost): Update for profile info.
 126         (force_var_cost): Likewise.
 127         (split_address_cost): Likewise.
 128         (ptr_difference_cost): Likewise.
 129         (difference_cost): Likewise.
 130         (get_computation_cost_at): Likewise.
 131         (determine_iv_cost): Likewise.
 132         (ivopts_global_cost_for_size): Likewise.
 133         (rewrite_use_address): Likewise.
 134         (tree_ssa_iv_optimize_loop): Initialize speed field.
 135         * cse.c (optimize_this_for_speed_p): New static var.
 136         (notreg_cost): Update call of rtx_cost.
 137         (cse_extended_basic_block): set optimize_this_for_speed_p.
 138         * ifcvt.c (cheap_bb_rtx_cost_p): Update call of rtx_cost.
 139         (noce_try_cmove_arith): Likewise.
 140         (noce_try_sign_mask): LIkewise.
 141         * expr.c (compress_float_constant): Update rtx_cost calls.
 142         * tree-ssa-address.c (most_expensive_mult_to_index): Add speed argument.
 143         (addr_to_parts): Likewise.
 144         (create_mem_ref): Likewise.
 145         * dse.c (find_shift_sequence): Add speed argument.
 146         (replace_read): Update call.
 147         * calls.c (precompute_register_parameters): Update call of rtx_cost.
 148         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost,
 149         * neg_cost, shift_cost, shiftadd_cost,
 150         shiftsub_cost, mul_cost, sdiv_cost, udiv_cost ,mul_widen_cost,
 151         mul_highpart_cost): Increase dimension.
 152         (init_expmed): Initialize for both size and speed.
 153         (expand_shift): Use profile.
 154         (synth_mult): Use profile.
 155         (choose_mult_variant): Use profile.
 156         (expand_mult): Use profile.
 157         (expand_mult_highpart_optab): Use profile.
 158         (expand_mult_highpart): Use profile.
 159         (expand_smod_pow2): Use profile.
 160         (expand_divmod): Use profile.
 161         * simplify-rtx.c (simplify_binary_operation_1): Update call of rtx_cost.
 162         * loop-invariant.c (create_new_invariant): Use profile.
 163         (gain_for_invariant): Add speed parameter.
 164         (best_gain_for_invariant): Likewise.
 165         (find_invariants_to_move): Likewise.
 166         (move_single_loop_invariants): Set it.
 167         * target-def.h (TARGET_RTX_COSTS): Use hook.
 168         * rtl.h (rtx_cost, address_cost, insn_rtx_cost): Update prototpe.
 169         (optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
 170         * output.h (default_address_cost): Update prototype.
 171         * combine.c (optimize_this_for_speed_p): New static var.
 172         (combine_validate_cost): Update call of rtx_cost.
 173         (combine_instructions): Set optimize_this_for_speed_p.
 174         (expand_compound_operation): Update call of rtx_cost.
 175         (make_extraction):Update call of rtx_cost.
 176         (force_to_mode):Update call of rtx_cost.
 177         (distribute_and_simplify_rtx):Update call of rtx_cost.
 178         * cfgloop.h (target_reg_cost, target_spill_cost): Turn to array.
 179         (estimate_reg_pressure_cost): Update prototype.
 180         * tree-flow.h (multiply_by_cost, create_mem_ref): Update prototype.
 181         * basic-block.h (optimize_insn_for_size_p, optimize_insn_for_speed_p):
 182         Remove.
 183         * config/alpha/alpha.c (alpha_rtx_costs): Update.
 184         (alpha_rtx_costs): Update.
 185         * config/frv/frv.c (frv_rtx_costs): Update.
 186         * config/s390/s390.c (s390_rtx_costs): Update.
 187         * config/m32c/m32c.c (m32c_memory_move_cost): Update.
 188         (m32c_rtx_costs): Update.
 189         * config/spu/spu.c (TARGET_ADDRESS_COST): Upate.
 190         (spu_rtx_costs): Update.
 191         * config/sparc/sparc.c (sparc_rtx_costs): Update.
 192         * config/m32r/m32r.c (m32r_rtx_costs): Update.
 193         * config/i386/i386.c (:ix86_address_cost): Update.
 194         (ix86_rtx_costs): Update.
 195         * config/sh/sh.c (sh_rtx_costs, sh_address_cost): Update.
 196         * config/pdp11/pdp11.c (pdp11_rtx_costs): Update.
 197         * config/avr/avr.c (avr_rtx_costs, avr_address_cost): Update.
 198         * config/crx/crx.c (crx_address_cost): Update.
 199         * config/xtensa/xtensa.c (xtensa_rtx_costs): Update.
 200         * config/stormy16/stormy16.c
 201         (xstormy16_address_cost, xstormy16_rtx_costs): Update.
 202         * config/m68hc11/m68hc11.c
 203         (m68hc11_address_cost, m68hc11_rtx_costs): Update.
 204         * config/cris/cris.c (cris_rtx_costs, cris_address_cost): Update.
 205         * config/iq2000/iq2000.c (iq2000_rtx_costs, iq2000_address_cost): Update.
 206         * config/mn10300/mn10300.c (mn10300_address_cost, mn10300_rtx_costs): Update
 207         * config/ia64/ia64.c (ia64_rtx_costs): Update.
 208         * config/m68k/m68k.c (m68k_rtx_costs): Update.
 209         * config/rs6000/rs6000.c (rs6000_rtx_costs): Update.
 210         * config/arc/arc.c (arc_rtx_costs, arc_address_cost): Update.
 211         * config/mcore/mcore.c (TARGET_ADDRESS_COST): Update.
 212         (mcore_rtx_costs): update.
 213         * config/score/score3.c (score3_rtx_costs): Update.
 214         * config/score/score7.c (score7_rtx_costs): Update.
 215         * config/score/score3.h (score3_rtx_costs):Update.
 216         * config/score/score7.h (score7_rtx_costs): Update.
 217         * config/score/score.c (score_rtx_costs): Update.
 218         * config/arm/arm.c (arm_address_cost): Update.
 219         (arm_rtx_costs_1): Update.
 220         (arm_rtx_costs_1): Update.
 221         (arm_size_rtx_costs): Update.
 222         (arm_size_rtx_costs): Update.
 223         (arm_size_rtx_costs): Update.
 224         (arm_xscale_rtx_costs): Update.
 225         (arm_thumb_address_cost): Update.
 226         * config/pa/pa.c (hppa_address_cost): Update.
 227         * config/mips/mips.c (mips_rtx_costs): Update.
 228         * config/vax/vax.c (vax_address_cost): Update.
 229         * config/h8300/h8300.c (h8300_shift_costs): Update.
 230         (h8300_rtx_costs): Update.
 231         * config/v850/v850.c (TARGET_ADDRESS_COST): Update.
 232         (v850_rtx_costs): Update.
 233         * config/mmix/mmix.c (mmix_rtx_costs, mmix_rtx_costs): Update.
 234         * config/bfin/bfin.c
 235         (bfin_address_cost): Update.
 236         (bfin_rtx_costs): Update.
 237         * stmt.c (lshift_cheap_p): Update.
 238
 239 2008-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 240
 241         PR middle-end/36444
 242         * expmed.c (extract_bit_field_1): Check the mode size to make
 243         sure the vector modes have the same size.
 244
 245 2008-08-29  Michael Meissner  <gnu@the-meissners.org>
 246
 247         * dojump.c (top level): Include basic-block.h to declare
 248         optimize_insn_for_speed_p
 249
 250         * Makefile.in (dodump.h): Add $(BASIC_BLOCK_H) dependency.
 251
 252         * opts.h (CL_SAVE): New option class for marking options that are
 253         target specific options usable in the target attribute.
 254         (CL_MIN_OPTION_CLASS): CL_SAVE is now the minimum option.
 255
 256         * opt-functions.awk (switch_flags): Add CL_SAVE flag so backends
 257         can easily find the target specific options that are safe to use
 258         in the attribute or pragma.
 259
 260         * attribs.c (decl_attributes): Change #pragma GCC option to
 261         #pragma GCC target, and attribute((option(...))) to
 262         attribute((target(...))).
 263
 264         * doc/extend.texi (target attribute): Change from option
 265         attribute.  Delete push/pop/reset.
 266         (#pragma GCC target): Change from #pragma GCC option.  Delete
 267         push/pop/reset.
 268         (#pragma GCC push_options): Document new pragma.
 269         (#pragma GCC pop_options): Document new pragma.
 270         (#pragma GCC reset_options): Document new pragma.
 271
 272         * targhooks.c (default_target_option_valid_attribute_p): Add
 273         warning about port not supporting target attributes.
 274         (default_target_option_pragma_parse): New function, warn about
 275         #pragma GCC target not being supported.
 276
 277         * targhooks.h (default_target_option_pragma_parse): Add
 278         declaration.
 279
 280         * tree.h (TI_CURRENT_TARGET_PRAGMA): Rename from
 281         TI_CURRENT_OPTION_PRAGMA.
 282         (current_target_pragma): Rename from current_option_pragma.
 283
 284         * target.h: (struct target_option): Delete booleans for changing
 285         the optimization level on hot/cold functions.  Change signature of
 286         pragma_parse hook to take a second tree.
 287
 288         * c-tree.h (c_builtin_function_ext_scope): Add declaration.
 289
 290         * c-decl.c (c_builtin_function_ext_scope): New function, guarantee
 291         that the declaration is done at global scope.
 292
 293         * langhooks.c (add_builtin_function_common): Move most of the code
 294         from add_builtin_function here, calling the hook passed in.
 295         (add_builtin_function): Call add_builtin_function_common with
 296         standard builtin hook.
 297         (add_builtin_function_ext_scope): New function to add builtins to
 298         global scope.
 299
 300         * langhooks.h (struct lang_hooks): Add builtin_function_ext_scope
 301         hook.
 302         (add_builtin_function_ext_scope): Add declaration.
 303
 304         * c-pragma.c (handle_pragma_target): Rename from
 305         handle_pragma_option, #pragma GCC option is now #pragma GCC
 306         target.  Move warning about port not supporting target options to
 307         default pragma parse hook.  Remove push/pop/reset from this
 308         pragma.
 309         (handle_pragma_optimize): Remove push/pop/reset from this pragma.
 310         (option_stack): Delete static variable.
 311         (optimize_stack): Ditto.
 312         (optons_stack): New stack of saved target and optimization
 313         options.
 314         (handle_pragma_push_options): New function to handle pushing both
 315         target and optimization options.
 316         (handle_pragma_pop_options): New function to handle popping both
 317         target and optimization options.
 318         (handle_pragma_reset_options): New function to handle resetting
 319         both target and optimization options to their initial state.
 320         (init_pragma): Rename handle_pragma_option to
 321         handle_pragma_target.  Add support for push_options, pop_options,
 322         and reset_options pragmas.
 323
 324         * target-def.h (TARGET_OPTION_PRAGMA_PARSE): Change default to
 325         default_target_option_pragma_parse.
 326         (TARGET_OPTION_VALID_ATTRIBUTE_P): Change default to
 327         default_target_option_valid_attribute_p.
 328         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
 329         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
 330         (TARGET_OPTION_HOOKS): Delete the fields for whether to change
 331         optimization level on hot/cold functions.
 332
 333         * tree-inline.c (tree_can_inline_p): Disable suppressing inlining
 334         if the caller and callee have different optimization levels.
 335
 336         * c-common.c (handle_target_attribute): Rename from
 337         handle_option_attribute, attribute((option(...))) is now
 338         attribute((target(...))).  Move warning if the port does not
 339         support target attributes to the default hook.
 340         (handle_hot_attribute): Delete code to change the optimization
 341         level of hot functions.
 342         (handle_cold_attribute): Ditto.
 343
 344         * config/i386/i386-c.c (ix86_pragma_target_parse): Take a second
 345         argument that is the binary tree options to use if there are no
 346         arguments.  Call ix86_valid_target_attribute_tree instead of
 347         ix86_valid_option_attribute_tree.
 348         (ix86_pragma_target_parse): Rename from ix86_pragma_option_parse.
 349         (ix86_register_pragmas): Use ix86_pragma_target_parse instead of
 350         ix86_pragma_option_parse.
 351
 352         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
 353         Rename from ix86_valid_option_attribute_tree.
 354
 355         * config/i386/i386.c (ix86_add_new_builtins): New function to add
 356         new builtins when the ISA changes.
 357         (ix86_valid_target_attribute_tree): Rename from
 358         ix86_valid_option_attribute_tree.  Change callers.  If the
 359         function specified optimization options, use those as the starting
 360         point before setting up the target attributes.  If the
 361         optimization options were changed in the course of setting the
 362         target attributes, record the new optimization options.
 363         (ix86_valid_target_attribute_tree_inner_p): Rename from
 364         ix86_valid_option_attribute_tree_inner_p.  Change callers.  Call
 365         ix86_add_new_builtins if the ISA changed.
 366         (ix86_valid_target_attribute_p): Rename from
 367         ix86_valid_option_attribute_p.  Change callers.
 368         (enum ix86_builtins): Add IX86_BUILTIN_PCMOV to allow both
 369         __builtin_ia32_pcmov and __builtin_ia32_pcmov_v2di to be declared
 370         as delayed builtin functions.
 371         (struct builtin_isa): New structure to record builtin functions
 372         that should be delayed until the ISA for that function is used.
 373         (ix86_builtins_isa): Change from int to struct to track builtin
 374         functions we want to declare at some point.
 375         (def_builtin): If the front end can delay defining the builtin
 376         functions, don't create builtins for ISAs not part of the default
 377         options.
 378         (def_builtin_const): Ditto.
 379         (bdesc_multi_arg): Declare __builtin_ia32_pcmov and
 380         __builtin_ia32_pcmov_v2di to be different builtin functions.
 381         (ix86_expand_builtin): Changes due to ix86_builtins_isa now being
 382         a structure instead of an int.
 383         (TARGET_OPTION_VALID_ATTRIBUTE_P): Use
 384         ix86_valid_target_attribute_p, not ix86_valid_option_attribute_p.
 385         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
 386         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
 387
 388         * config/ia64/ia64.h
 389         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
 390         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
 391
 392         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE): New
 393         hook, default to being the same as LANG_HOOKS_BUILTIN_FUNCTION.
 394         (LANG_HOOKS_INITIALIZER): Add
 395         LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE hook.
 396
 397 2008-08-30  Kaz Kojima  <kkojima@gcc.gnu.org>
 398
 399         PR target/37270
 400         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Generate
 401         the reload address with the index register for SFmode
 402         access with a displacement.
 403
 404 2008-08-30  Jan Hubicka  <jh@suse.cz>
 405
 406         * optabs.c (expand_abs_nojump): Update BRANCH_COST call.
 407         * fold-cost.c (LOGICAL_OP_NON_SHORT_CIRCUIT, fold_truthop): Likewise.
 408         * dojump.c (do_jump): Likewise.
 409         * ifcvt.c (MAX_CONDITIONAL_EXECUTE): Likewise.
 410         (note-if_info): Add BRANCH_COST.
 411         (noce_try_store_flag_constants, noce_try_addcc, noce_try_store_flag_mask,
 412         noce_try_cmove_arith, noce_try_cmove_arith, noce_try_cmove_arith,
 413         noce_find_if_block, find_if_case_1, find_if_case_2): Use compuated
 414         branch cost.
 415         * expr.h (BRANCH_COST): Update default.
 416         * predict.c (predictable_edge_p): New function.
 417         * expmed.c (expand_smod_pow2, expand_sdiv_pow2, emit_store_flag):
 418         Update BRANCH_COST call.
 419         * basic-block.h (predictable_edge_p): Declare.
 420         * config/alpha/alpha.h (BRANCH_COST): Update.
 421         * config/frv/frv.h (BRANCH_COST): Update.
 422         * config/s390/s390.h (BRANCH_COST): Update.
 423         * config/spu/spu.h (BRANCH_COST): Update.
 424         * config/sparc/sparc.h (BRANCH_COST): Update.
 425         * config/m32r/m32r.h (BRANCH_COST): Update.
 426         * config/i386/i386.h (BRANCH_COST): Update.
 427         * config/i386/i386.c (ix86_expand_int_movcc): Update use of BRANCH_COST.
 428         * config/sh/sh.h (BRANCH_COST): Update.
 429         * config/pdp11/pdp11.h (BRANCH_COST): Update.
 430         * config/avr/avr.h (BRANCH_COST): Update.
 431         * config/crx/crx.h (BRANCH_COST): Update.
 432         * config/xtensa/xtensa.h (BRANCH_COST): Update.
 433         * config/stormy16/stormy16.h (BRANCH_COST): Update.
 434         * config/m68hc11/m68hc11.h (BRANCH_COST): Update.
 435         * config/iq2000/iq2000.h (BRANCH_COST): Update.
 436         * config/ia64/ia64.h (BRANCH_COST): Update.
 437         * config/rs6000/rs6000.h (BRANCH_COST): Update.
 438         * config/arc/arc.h (BRANCH_COST): Update.
 439         * config/score/score.h (BRANCH_COST): Update.
 440         * config/arm/arm.h (BRANCH_COST): Update.
 441         * config/pa/pa.h (BRANCH_COST): Update.
 442         * config/mips/mips.h (BRANCH_COST): Update.
 443         * config/vax/vax.h (BRANCH_COST): Update.
 444         * config/h8300/h8300.h (BRANCH_COST): Update.
 445         * params.def (PARAM_PREDICTABLE_BRANCH_OUTCOME): New.
 446         * doc/invoke.texi (predictable-branch-cost-outcome): Document.
 447         * doc/tm.texi (BRANCH_COST): Update.
 448
 449 2008-08-30  Samuel Tardieu  <sam@rfc1149.net>
 450
 451         PR target/37283
 452         * config/arm/arm.c (arm_optimization_options): Set
 453         flag_section_anchors to 2 instead of 1 to distinguish it from
 454         -fsection-anchors given explicitely on the command line.
 455
 456 2008-08-30  Richard Sandiford  <rdsandiford@googlemail.com>
 457
 458         * recog.c (split_insn): Consider attaching a REG_EQUAL note to the
 459         final insn of a split.
 460
 461 2008-08-30  Jan Hubicka  <jh@suse.cz>
 462
 463         * postreload-gcse.c (gate_handle_gcse2): Disable for functions
 464         optimized for speed.
 465         * final.c (compute_alignments): Use optimize_bb_for_size_p.
 466         * tree-call-cdce.c (gate_call_cdce): Use optimize_function_for_speed_p.
 467         * opts.c (flag_predictive_commoning_set, flag_unswitch_loops_set,
 468         flag_gcse_after_reload_set): New static vars.
 469         (common_handle_option): Enable those flags for profile-use.
 470         (decode_options): Remove optimize_size flags that are handled
 471         on higher granuality.
 472         * tree-vectorizer.c (vectorize_loops): Use
 473         optimize_loop_nest_for_speed_p.
 474         * tree-ssa-pre.c (do_pre): Use optimize_function_for_speed_p.
 475         * tree-predcom.c (tree_predictive_commoning): Use
 476         optimize_loop_for_speed_p.
 477         * varasm.c (assemble_start_function): Use optimize_function_for_speed_p.
 478         * bb-reorder.c (rest_of_handle_reorder_blocks): Likewise.
 479         * predict.c (optimize_loop_for_speed_p): Fix walk.
 480
 481 2008-08-30  Jan Hubicka  <jh@suse.cz>
 482
 483         * ipa-inline.c (cgraph_estimate_growth): Discover self recursive
 484         functions.
 485         (cgraph_decide_inlining_of_small_function): Use edge->count to detect
 486         profile presence locally.
 487
 488 2008-08-29  Joseph Myers  <joseph@codesourcery.com>
 489
 490         PR bootstrap/37086
 491         * tree-vrp.c (find_switch_asserts): Make idx volatile for GCC
 492         versions before 4.0.
 493
 494 2008-08-29  Jan Hubicka  <jh@suse.cz>
 495
 496         * tree-inline.c (insert_init_stmt): Insert sequence even when
 497         not in SSA form.
 498
 499 2008-08-29  Jeff Law  <law@redhat.com>
 500
 501         * mn10300.c (mn10300_secondary_reload_class): We need secondary
 502         reloads for AM33-2 if IN is a pseudo with an equivalent memory
 503         location and class is an FP register.
 504
 505 2008-08-29  Jan Hubicka  <jh@suse.cz>
 506
 507         * see.c (see_merge_one_def_extension): Silence used uninitialized
 508         warning.
 509         * matrix-reorg.c (check_allocation_function): Likewise.
 510         * config/i386/driver-i386.c (detect_caches_amd): Likewise.
 511
 512 2008-08-29  Jakub Jelinek  <jakub@redhat.com>
 513
 514         PR c/37261
 515         * fold-const.c (fold_binary): In (X | C1) & C2 canonicalization
 516         compute new & and | in type rather than TREE_TYPE (arg0).
 517
 518         * dwarf2out.c (fortran_common): Update comment.
 519         (gen_variable_die): Swap com_die and var_die variables in Fortran
 520         COMMON block handling code.
 521
 522         * dwarf2out.c (descr_info_loc): Handle VAR_DECL.
 523
 524         * dwarf2out.c (gen_const_die): New function.
 525         (size_of_die, value_format, output_die): Output larger
 526         dw_val_class_vec using DW_FORM_block2 or DW_FORM_block4.
 527         (native_encode_initializer): New function.
 528         (tree_add_const_value_attribute): Call it.
 529         (gen_decl_die, dwarf2out_decl): Handle CONST_DECLs if is_fortran ().
 530
 531         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): For
 532         DECL_BY_REFERENCE decls don't pass TREE_READONLY and
 533         TREE_THIS_VOLATILE to add_type_attribute.
 534
 535         * dwarf2out.c (add_subscript_info): Stop on Fortran TYPE_STRING_FLAG
 536         types.
 537         (gen_array_type_die): Emit DW_TAG_string_type for Fortran character
 538         types.
 539
 540         * dwarf2out.c (loc_by_reference): New function.
 541         (add_location_or_const_value_attribute): Use it.
 542
 543         PR fortran/23057
 544         * dwarf2out.c (gen_variable_die): Represent Fortran COMMON vars
 545         as DW_TAG_variable children of DW_TAG_common_block rather than
 546         DW_TAG_member children.  Put DW_AT_external to individual
 547         DW_TAG_variable DIEs, not to DW_TAG_common_block.
 548
 549         * dwarf2out.c (add_bound_info): If lookup_decl_die failed, try
 550         loc_descriptor_from_tree_1.
 551
 552         PR fortran/29635
 553         PR fortran/23057
 554         * debug.h (struct gcc_debug_hooks): Add NAME and CHILD
 555         arguments to imported_module_or_decl.
 556         (debug_nothing_tree_tree): Removed.
 557         (debug_nothing_tree_tree_tree_bool): New prototype.
 558         * debug.c (do_nothing_debug_hooks): Adjust.
 559         (debug_nothing_tree_tree): Removed.
 560         (debug_nothing_tree_tree_tree_bool): New function.
 561         * dwarf2out.c (is_symbol_die): Handle DW_TAG_module.
 562         (gen_variable_die): Put all common vars for the
 563         same COMMON block under one DW_TAG_common_block.
 564         (declare_in_namespace): Return new context_die, for Fortran
 565         return the module DIE instead of adding extra declarations into
 566         the namespace.
 567         (gen_type_die_with_usage): Adjust declare_in_namespace caller.
 568         (gen_namespace_die): If is_fortran (), generate DW_TAG_module
 569         instead of DW_TAG_namespace.  If DECL_EXTERNAL is set, add
 570         DW_AT_declaration.
 571         (dwarf2out_global_decl): Don't skip Fortran global vars.
 572         (gen_decl_die): Likewise.  Adjust declare_in_namespace callers.
 573         (dwarf2out_imported_module_or_decl): Add NAME and CHILD arguments.
 574         If NAME is non-NULL, add DW_AT_name.  If CHILD is non-NULL, put
 575         DW_TAG_imported_declaration as child of previous
 576         DW_TAG_imported_module.
 577         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Adjust.
 578         * sdbout.c (sdb_debug_hooks): Likewise.
 579         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
 580
 581 2008-08-29  Jan Hubicka  <jh@suse.cz>
 582
 583         * cgraph.c (cgraph_remove_node): Do not remove nested nodes.
 584
 585         * cgraph.h (cgraph_maybe_hot_edge_p): Declare.
 586         * ipa-cp.c (n_cloning_candidates): New static variable.
 587         (ipcp_print_profile_data, ipcp_function_scale_print): Forward declare.
 588         (ipcp_print_all_lattices): Improve debug output.
 589         (ipcp_cloning_candidate_p): New function.
 590         (ipcp_initialize_node_lattices): Use it.
 591         (ipcp_init_stage): Do only analyzis here; prettier debug output.
 592         (ipcp_propagate_stage): Prettier debug output.
 593         (ipcp_iterate_stage): Initialize latices here; prettier debug output.
 594         (ipcp_print_all_structures): Remove.
 595         (ipcp_need_redirect_p): Test !n_cloning_candidates.
 596         (ipcp_insert_stage): Prettier debug output; call
 597         cgraph_remove_unreachable_nodes before propagating.
 598         (pass_ipa_cp): Schedule function removal pass.
 599         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Better
 600         debug output.
 601         (cgraph_maybe_hot_edge_p): Move to ...
 602         * predict.c (cgraph_maybe_hot_edge_p) ... here.
 603         * opts.c (flag_ipa_cp_set, flag_ipa_cp_clone_set): New.
 604         (common_handle_option): Set them; enable ipa-cp when profiling.
 605         * ipa-prop.c (ipa_print_node_jump_functions): Prettier output.
 606         (ipa_print_all_jump_functions): Likewise.
 607         (ipa_print_all_tree_maps, ipa_print_node_param_flags): Remove.
 608         (ipa_print_node_params, ipa_print_all_params): New.
 609         * ipa-prop.h (ipa_print_all_tree_maps, ipa_print_node_param_flags,
 610         ipa_print_all_param_flags): Remove.
 611         (ipa_print_node_params, ipa_print_all_params): New.
 612
 613 2008-08-29  Bob Wilson  <bob.wilson@acm.org>
 614
 615         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Revert
 616         change from 2008-04-03.
 617         * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Define.
 618
 619 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
 620
 621         PR rtl-opt/37251
 622
 623         * ira-color.c (push_allocnos_to_stack): Truncate
 624         removed_splay_allocno_vec.
 625
 626 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
 627
 628         PR rtl-opt/37243
 629         * ira-color (ira_fast_allocation): Don't assign hard registers to
 630         global allocnos.
 631
 632 2008-08-29  Jan Hubicka  <jh@suse.cz>
 633
 634         PR middle-end/37278
 635         * predict.c (optimize_loop_nest_for_speed_p): Do not ICE
 636         for cold internal loops.
 637
 638 2008-08-29  Richard Guenther  <rguenther@suse.de>
 639
 640         * tree-ssa-structalias.c (create_variable_info_for): Do not
 641         create fields for heap vars or vars with a noalias state.
 642         For NO_ALIAS_ANYTHING variables add a self-constraint, not one
 643         from ESCAPED.
 644
 645 2008-08-29  Richard Guenther  <rguenther@suse.de>
 646
 647         * common.opt (ftree-store-ccp): Mark as preserved for
 648         backward compatibility.
 649         * doc/invoke.texi (-ftree-store-ccp): Remove documentation.
 650         * tree-pass.h (pass_store_ccp): Remove.
 651         * tree-ssa-propagate.h (struct prop_value_d): Remove mem_ref field.
 652         (first_vdef): Remove declaration.
 653         (get_value_loaded_by): Likewise.
 654         * tree-ssa-ccp.c (do_store_ccp): Remove.
 655         (get_default_value): Simplify as do_store_ccp is always false
 656         now.  Do not initialize mem_ref.
 657         (set_value_varying): Likewise.
 658         (canonicalize_float_value): Likewise.
 659         (set_lattice_value): Likewise.
 660         (likely_value): Likewise.
 661         (surely_varying_stmt_p): Likewise.
 662         (ccp_initialize): Likewise.
 663         (ccp_lattice_meet): Likewise.
 664         (ccp_visit_phi_node): Likewise.
 665         (ccp_fold): Likewise.
 666         (evaluate_stmt): Likewise.
 667         (visit_assignment): Likewise.
 668         (ccp_visit_stmt): Likewise.
 669         (execute_ssa_ccp): Fold into ...
 670         (do_ssa_ccp): ... this.
 671         (do_ssa_store_ccp): Remove.
 672         (gate_store_ccp): Likewise.
 673         (pass_store_ccp): Likewise.
 674         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not
 675         initialize mem_ref.
 676         * tree-ssa-propagate.c (first_vdef): Remove.
 677         (get_value_loaded_by): Likewise.
 678         (replace_vuses_in): Likewise.
 679         (substitute_and_fold): Do not call replace_vuses_in.
 680         * opts.c (decode_options): Do not set flag_tree_store_ccp.
 681
 682 2008-08-29  Richard Guenther  <rguenther@suse.de>
 683
 684         PR middle-end/37236
 685         * tree-ssa-structalias.c (intra_create_variable_infos): Mark
 686         PARAM_NOALIAS tags with is_heapvar.
 687         * tree-ssa-operands.c (access_can_touch_variable): Offset
 688         based tests do not apply for heapvars.  Fix offset test.
 689
 690 2008-08-29  Jan Hubicka  <jh@suse.cz>
 691
 692         * doc/invoke.texi (-fipa-cp): Enabled by default at -O2/-Os/-O3
 693         (-fipa-cp-clone): Enabled by default at -O3.
 694         * opts.c (decode_options): Enable ipa-cp at -O2, ipa-cp-clone at -O3;
 695         make ipa-cp-clone to imply ipa-cp; disable cloning at -Os.
 696
 697 2008-08-29  Jan Hubicka  <jh@suse.cz>
 698
 699         * tree.c (build_function_type_skip_args, build_function_decl_skip_args):
 700         New functions.
 701         * tree.h (build_function_type_skip_args, build_function_decl_skip_args):
 702         Declare.
 703         * gimple.c (giple_copy_call_skip_args): New function.
 704         (giple_copy_call_skip_args): Declare.
 705
 706         * cgraph.h (cgraph_function_versioning): Add skip_args arugmnet
 707         * ipa-cp.c (ipcp_node_not_modifiable_p): Rename to ...
 708         (ipcp_node_modifiable_p): ... this one; use tree_versionable_function_p.
 709         (ipcp_create_replace_map): Improve debug output.
 710         (ipcp_need_redirect_p): Return false when not clonning.
 711         (ipcp_update_callgraph): Skip args.
 712         (ipcp_insert_stage): UPdate call of !ipcp_node_modifiable_p;
 713         skip args.
 714         * cgraphunit.c (cgraph_function_versioning): Add skip_args argument.
 715         (save_inline_function_body): Update call of tree_function_versioning.
 716         * ipa-prop.c (ipa_edge_removal_hook): Do not ICE on unanalyzed nodes.
 717         * tree-inline.c (copy_arguments_for_versioning): Add skip_args argument.
 718         (tree_function_versioning): Likewise.
 719         * tree-inline.h (tree_function_versioning): Update prototype.
 720
 721 2008-08-29  Jan Hubicka  <jh@suse.cz>
 722
 723         * loop-unswitch.c (unswitch_single_loop): Use optimize_loop_for_speed_p.
 724         * tree-ssa-threadupdate.c (mark_threaded_blocks): Use optimize_function_for_size_p.
 725         * tracer.c (ignore_bb_p): Use optimize_bb_for_size_p.
 726         * postreload-gcse.c (eliminate_partially_redundant_load): Use optimize_bb_for_size_p.
 727         * value-prof.c (gimple_divmod_fixed_value_transform,
 728         gimple_mod_pow2_value_transform, gimple_mod_subtract_transform,
 729         gimple_stringops_transform): Use optimize_bb_for_size_p.
 730         * ipa-cp.c (ipcp_insert_stage): Use optimize_function_for_size_p.
 731         * final.c (compute_alignments): Use optimize_function_for_size_p.
 732         * builtins.c (fold_builtin_cabs): Use optimize_function_for_speed_p.
 733         (fold_builtin_strcpy, fold_builtin_fputs): Use
 734         optimize_function_for_size_p.
 735         * fold-const.c (tree_swap_operands_p): Use optimize_function_for_size_p.
 736         * recog.c (relax_delay_slots): Likewise.
 737         * tree-ssa-math-opts.c (replace_reciprocal): Use optimize_bb_for_speed_p.
 738         (execute_cse_reciprocals): Use optimize_bb_for_size_p.
 739         * ipa-inline.c (cgraph_decide_recursive_inlining): Use
 740         optimize_function_for_size_p.
 741         (cgraph_decide_inlining_of_small_function): Use
 742         optimize_function_for_size_p.
 743         * global.c (find_reg): Use optimize_function_for_size_p.
 744         * opts.c (decode_options): Do not clear flag_tree_ch, flag_inline_functions,
 745         flag_unswitch_loops, flag_unroll_loops, flag_unroll_all_loops and
 746         flag_prefetch_loop_arrays. Those can work it out from profile.
 747         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Use
 748         optimize_loop_for_speed_p.
 749         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p): Constify
 750         argument.
 751         (optimize_loop_nest_for_size_p, optimize_loop_nest_for_speed_p): New.
 752         * tree-parloops.c (parallelize_loops): Use optimize_loop_for_size_p.
 753         * tree-eh.c (decide_copy_try_finally): Use optimize_function_for_size_p.
 754         * local-alloc.c (block_alloc): Pass BB pointer.
 755         (find_free_reg): Add BB pointer, use optimize_bb_for_size_p.
 756         * gcse.c (gcse_main): Use optimize_function_for_size_p.
 757         * loop-unroll.c (decide_unrolling_and_peeling): Use optimize_loop_for_size_p.
 758         (decide_peel_completely): Likewise.
 759         * tree-vect-analyze.c (vect_mark_for_runtime_alias_test): Use
 760         optimize_loop_for_size_p.
 761         (vect_enhance_data_refs_alignment): Likewise.
 762         * tree-ssa-coalesce.c (coalesce_cost): Add optimize_for_size argument.
 763         (coalesce_cost_bb, coalesce_cost_edge, create_outofssa_var_map): Update call.
 764         * cfgcleanup.c (outgoing_edges_match): Use optimize_bb_for_speed_p.
 765         (try_crossjump_bb): Use optimize_bb_for_size_p.
 766         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
 767         optimize_loop_for_speed_p.
 768         * bb-reorder.c (find_traces_1_round): Likewise.
 769         (copy_bb): Use optimize_bb_for_speed_p.
 770         (duplicate_computed_gotos): Likewise.
 771         * basic-block.h (optimize_loop_nest_for_size_p,
 772         optimize_loop_nest_for_speed_p): New.
 773         * stmt.c (expand_case): Use optimize_insn_for_size_p.
 774
 775 2008-08-29  Tristan Gingold  <gingold@adacore.com>
 776
 777         * gcov.c (main): Call expandargv.
 778
 779 2008-08-29  Jan Hubicka  <jh@suse.cz>
 780
 781         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Check that loop
 782         is not cold.
 783         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p):
 784         Constify arguments.
 785         (optimize_loop_for_size_p, optimize_loop_for_speed_p): New functions.
 786         * basic-block.h (optimize_bb_for_size_p, optimize_bb_for_speed_p):
 787         Constify.
 788         (optimize_loop_for_size_p, optimize_loop_for_speed_p): Declare.
 789
 790 2008-08-29  Jan Hubicka  <jh@suse.cz>
 791
 792         * tree-pass.h (pass_strip_predict_hints): Declare.
 793         * predict.c (strip_builtin_expect): Rename to ...
 794         (strip_predict_hints): ... this one; strip also GIMPLE_PREDICT.
 795         (tree_bb_level_predictions): Do not remove GIMPLE_PREDICT.
 796         (tree_estimate_probability): Do not strip builtin_expect.
 797         (pass_strip_predict_hints): New pass.
 798         * tree-inline.c (expand_call_inline): When inlining cold function, predict
 799         it as unlikely.
 800         * passes.c (init_optimization_passes): Add pass_strip_predict_hints.
 801
 802 2008-08-29  Richard Guenther  <rguenther@suse.de>
 803
 804         PR tree-optimization/37207
 805         * tree-vrp.c (extract_range_from_binary_expr): Also try
 806         to constant fold if only one of the operands is a constant.
 807
 808 2008-08-29  Nick Clifton  <nickc@redhat.com>
 809
 810         * config/m32r/m32r.h (LEGITIMATE_CONSTANT_P): Treat LABEL_REFs in
 811         the same way as SYMBOL_REFs.
 812
 813 2008-08-28  Bob Wilson  <bob.wilson@acm.org>
 814
 815         * config/xtensa/xtensa.md (<u>mulsidi3): Use a temporary register.
 816
 817 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
 818
 819         * config/mips/mips.h (ISA_HAS_BBIT): New macro.
 820         * config/mips/mips.md (branch_likely): Remove const.  Fix
 821         comment formatting.
 822         (define_delay for type "branch"): Change to only apply for branch
 823         with likely variant.
 824         (define_delay for type "branch" and "branch_likely" no).  New delay
 825         definition.
 826         (equality_op): New code iterator.
 827         (bbv, bbinv): New code attributes.
 828         (*branch_bit<bbv><mode>, *branch_bit<bbv><mode>_inverted): New
 829         patterns.
 830
 831 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 832             Andrew Pinski  <pinskia@gcc.gnu.org>
 833
 834         PR 18050
 835         * c-common.c (verify_tree): Fix handling of ADDR_EXPR.
 836
 837 2008-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
 838
 839         * gtrh-posix.h: Fix uses of _POSIX_TIMEOUTS per the normal Posix
 840         rule that a symbolic constant must be defined and >= 0 for the
 841         corresponding facility to be present at compile-time.
 842         * gthr-posix.c: Likewise.
 843
 844 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
 845
 846         * config/mips/mips.h (ISA_HAS_DMUL3): New macro.
 847         * config/mips/mips.md (D): New mode attribute.
 848         (mulsi3, muldi3): Merge it into ...
 849         (mul<mode>3): ... new template.  Use _mul3 ending for 3-op
 850         patterns.
 851         (muldi3_mul3): New pattern.
 852         (mulsi3_mult3): Rename to mulsi3_mul3.
 853
 854 2008-08-28  Jan Hubicka  <jh@suse.cz>
 855
 856         * expmed.c (store_bit_field_1): Be prepared for movstrict expander
 857         to fail.
 858         * predict.c (always_optimize_for_size_p): Rename to ...
 859         (optimize_function_for_size): ... this one; make extern.
 860         (optimize_function_for_speed_p): New.
 861         (optimize_bb_for_size_p, optimize_bb_for_size_p,
 862         optimize_edge_for_size_p,optimize_edge_for_size_p,
 863         optimize_insn_for_size_p, optimize_insn_for_size_p): Update.
 864         * basic-block.h (optimize_function_for_size_p,
 865         optimize_function_for_speed_p): Declare.
 866         * i386.md (optimize_size checks): Replace them by appropriate
 867         predicate.
 868         (standard_80387_constant_p, ix86_compute_frame_layout,
 869         ix86_expand_epilogue, ix86_decompose_address,
 870         print_operand, emit_i387_cw_initialization,
 871         inline_memory_move_cost, ix86_pad_returns,
 872         ix86_reorg): Replace optimize_size checks.
 873
 874 2008-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
 875
 876         * rtl.h (simplify_subreg_regno): Declare.
 877         * rtlanal.c (simplify_subreg_regno): New function, split out from...
 878         * simplify-rtx.c (simplify_subreg): ...here.
 879         * reload.c (find_reloads): Use simplify_subreg_regno instead of
 880         subreg_offset_representable_p.
 881
 882 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 883
 884         PR c/30949
 885         * c-typeck.c (convert_for_assignment): Give a note describing what
 886         was passed and what was expected.
 887
 888 2008-08-28  Joey Ye  <joey.ye@intel.com>
 889
 890         * doc/extend.texi: Document AVX built-in functions.
 891         * doc/invoke.texi: Document -mavx.
 892
 893 2008-08-28  H.J. Lu  <hongjiu.lu@intel.com>
 894             Joey Ye  <joey.ye@intel.com>
 895             Xuepeng Guo  <xuepeng.guo@intel.com>
 896
 897         * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64.
 898
 899         * config/i386/cpuid.h (bit_FMA): New.
 900         (bit_XSAVE): Likewise.
 901         (bit_OSXSAVE): Likewise.
 902         (bit_AVX): Likewise.
 903
 904         * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before
 905         define.  Use ASM_OUTPUT_AVX_PREFIX.
 906
 907         * config/i386/gmmintrin.h: New.
 908
 909         * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS.
 910         (OPTION_MASK_ISA_AVX_SET): New.
 911         (OPTION_MASK_ISA_FMA_SET): Likewise.
 912         (OPTION_MASK_ISA_AVX_UNSET): Likewise.
 913         (OPTION_MASK_ISA_FMA_SET): Likewise.
 914         (OPTION_MASK_ISA_SSE4_2_UNSET): Updated.
 915         (ix86_handle_option): Handle OPT_mavx and OPT_mfma.
 916         (pta_flags): Add PTA_AVX and PTA_FMA.
 917         (override_options): Handle PTA_AVX and PTA_FMA.
 918         (init_cumulative_args): Handle warn_avx.
 919         (classify_argument): Return 0 for COImode and OImode.  Return
 920         1 and X86_64_AVX_CLASS for 256bit vector types.
 921         (examine_argument): Handle X86_64_AVX_CLASS.
 922         (construct_container): Likewise.
 923         (function_arg_advance_32): Pass OImode and 256bit vector types
 924         in AVX register.
 925         (function_arg_advance_64): Take a new argument to indicate if a
 926         parameter is named.  Handle 256bit vector types.  Return
 927         immediately for unnamed 256bit vector mode parameters.
 928         (function_arg_advance): Updated.
 929         (function_arg_32): Add comments for TImode.  Handle OImode
 930         and 256bit vector types.
 931         (function_arg_64): Take a new argument to indicate if a
 932         parameter is named.  Handle 256bit vector types.  Return NULL
 933         for unnamed 256bit vector mode parameters.
 934         (function_arg): Updated.
 935         (setup_incoming_varargs_64): Support
 936         AVX encoding for *sse_prologue_save_insn.
 937         (ix86_gimplify_va_arg): Handle 256bit vector mode parameters.
 938         (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't
 939         enabled.  For all 1s in 256bit vector modes, return 3 if AVX is
 940         enabled, otherwise return -3.
 941         (standard_sse_constant_opcode): Handle AVX and 256bit vector
 942         modes.
 943         (print_reg): Support AVX registers.  Handle 'x' and 't'.
 944         Handle 'd' to duplicate the operand.
 945         (print_operand): Likewise.  Also support AVX vector compare
 946         instructions.
 947         (output_387_binary_op): Support AVX.
 948         (output_fp_compare): Likewise.
 949         (ix86_expand_vector_move_misalign): Likewise.
 950         (ix86_attr_length_vex_default): New.
 951         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
 952         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
 953         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
 954         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
 955         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256,
 956         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
 957         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256,
 958         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256,
 959         IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256,
 960         IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256,
 961         IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256,
 962         IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256,
 963         IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256,
 964         IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256,
 965         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
 966         IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256,
 967         IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256,
 968         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
 969         IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256,
 970         IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256,
 971         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
 972         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
 973         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
 974         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256,
 975         IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256,
 976         IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER,
 977         IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD,
 978         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
 979         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD,
 980         IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256,
 981         IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD,
 982         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256,
 983         IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256,
 984         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
 985         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
 986         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
 987         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256,
 988         IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256,
 989         IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256,
 990         IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256,
 991         IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256,
 992         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD,
 993         IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD,
 994         IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256,
 995         IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256,
 996         IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256,
 997         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
 998         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
 999         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
1000         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
1001         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
1002         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
1003         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
1004         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
1005         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
1006         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
1007         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
1008         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
1009         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
1010         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
1011         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
1012         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
1013         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
1014         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256
1015         and IX86_BUILTIN_MOVMSKPS256,
1016         (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR,
1017         V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF,
1018         V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF,
1019         V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF,
1020         V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI,
1021         VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF,
1022         VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF,
1023         VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF,
1024         (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST,
1025         INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST,
1026         INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST,
1027         INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI,
1028         V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF,
1029         V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF,
1030         V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF,
1031         V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF,
1032         V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI,
1033         V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI,
1034         V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI,
1035         V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT,
1036         V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT,
1037         V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF,
1038         V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT,
1039         V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT,
1040         V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT,
1041         V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
1042         (bdesc_special_args): Add IX86_BUILTIN_VZEROALL,
1043         IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64,
1044         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
1045         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
1046         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256,
1047         IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256,
1048         IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256,
1049         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256,
1050         IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS,
1051         IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256,
1052         IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS,
1053         IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256.
1054         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
1055         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
1056         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
1057         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
1058         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256,
1059         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256,
1060         IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256,
1061         IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256,
1062         IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256,
1063         IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256,
1064         IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256,
1065         IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256,
1066         IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256,
1067         IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD,
1068         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
1069         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256,
1070         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
1071         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256,
1072         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
1073         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
1074         IX86_BUILTIN_CMPPS,
1075         IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256,
1076         IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256,
1077         IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256,
1078         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
1079         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
1080         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
1081         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256,
1082         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
1083         IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS,
1084         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
1085         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS,
1086         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
1087         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
1088         IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256,
1089         IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256,
1090         IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256,
1091         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
1092         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
1093         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
1094         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
1095         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
1096         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
1097         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
1098         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
1099         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
1100         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
1101         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
1102         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
1103         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
1104         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
1105         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
1106         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
1107         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
1108         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and
1109         IX86_BUILTIN_MOVMSKPS256.
1110         (ix86_init_mmx_sse_builtins): Support AVX builtins.
1111         (ix86_expand_args_builtin): Likewise.
1112         (ix86_expand_special_args_builtin): Likewise.
1113         (ix86_hard_regno_mode_ok): Handle AVX modes.
1114         (ix86_expand_vector_init_duplicate): Likewise.
1115         (ix86_expand_vector_init_one_nonzero): Likewise.
1116         (ix86_expand_vector_init_one_var): Likewise.
1117         (ix86_expand_vector_init_concat): Likewise.
1118         (ix86_expand_vector_init_general): Likewise.
1119         (ix86_expand_vector_set): Likewise.
1120         (ix86_vector_mode_supported_p): Likewise.
1121         (x86_extended_reg_mentioned_p): Check INSN_P before using
1122         PATTERN.
1123
1124         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
1125         OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA.
1126
1127         * config/i386/i386.h (TARGET_AVX): New.
1128         (TARGET_FMA): Likewise.
1129         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA.
1130         (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX.
1131         (VALID_AVX256_REG_MODE): New.
1132         (AVX256_VEC_FLOAT_MODE_P): Likewise.
1133         (AVX_FLOAT_MODE_P): Likewise.
1134         (AVX128_VEC_FLOAT_MODE_P): Likewise.
1135         (AVX256_VEC_FLOAT_MODE_P): Likewise.
1136         (AVX_VEC_FLOAT_MODE_P): Likewise.
1137         (ASM_OUTPUT_AVX_PREFIX): Likewise.
1138         (ASM_OUTPUT_OPCODE): Likewise.
1139         (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer
1140         support.
1141         (SSE_REG_MODE_P): Allow 256bit vector modes.
1142         (ix86_args): Add a warn_avx field.
1143
1144         * config/i386/i386.md (UNSPEC_PCMP): New.
1145         (UNSPEC_VPERMIL): Likewise.
1146         (UNSPEC_VPERMIL2): Likewise.
1147         (UNSPEC_VPERMIL2F128): Likewise.
1148         (UNSPEC_MASKLOAD): Likewise.
1149         (UNSPEC_MASKSTORE): Likewise.
1150         (UNSPEC_CAST): Likewise.
1151         (UNSPEC_VTESTP): Likewise.
1152         (UNSPECV_VZEROALL): Likewise.
1153         (UNSPECV_VZEROUPPER): Likewise.
1154         (XMM0_REG): Likewise.
1155         (XMM1_REG): Likewise.
1156         (XMM2_REG): Likewise.
1157         (XMM3_REG): Likewise.
1158         (XMM4_REG): Likewise.
1159         (XMM5_REG): Likewise.
1160         (XMM6_REG): Likewise.
1161         (XMM8_REG): Likewise.
1162         (XMM9_REG): Likewise.
1163         (XMM10_REG): Likewise.
1164         (XMM11_REG): Likewise.
1165         (XMM12_REG): Likewise.
1166         (XMM13_REG): Likewise.
1167         (XMM14_REG): Likewise.
1168         (XMM15_REG): Likewise.
1169         (prefix): Likewise.
1170         (prefix_vex_imm8): Likewise.
1171         (prefix_vex_w): Likewise.
1172         (length_vex): Likewise.
1173         (maxmin): Likewise.
1174         (movoi): Likewise.
1175         (*avx_ashlti3): Likewise.
1176         (*avx_lshrti3): Likewise.
1177         (*avx_setcc<mode>): Likewise.
1178         (*fop_<mode>_comm_mixed_avx): Likewise.
1179         (*fop_<mode>_comm_avx): Likewise.
1180         (*fop_<mode>_1_mixed_avx): Likewise.
1181         (*fop_<mode>_1_avx): Likewise.
1182         (*avx_<code><mode>3): Likewise.
1183         (*avx_ieee_smin<mode>3): Likewise.
1184         (*avx_ieee_smax<mode>3): Likewise.
1185         (mode): Add OI, V8SF and V4DF.
1186         (length): Support VEX prefix.
1187         (*cmpfp_i_mixed): Set prefix attribute.
1188         (*cmpfp_i_sse): Likewise.
1189         (*cmpfp_iu_mixed): Likewise.
1190         (*cmpfp_iu_sse): Likewise.
1191         (*movsi_1): Support AVX.
1192         (*movdi_2): Likewise.
1193         (*movdi_1_rex64): Likewise.
1194         (*movti_internal): Likewise.
1195         (*movti_rex64): Likewise.
1196         (*movsf_1): Likewise.
1197         (*movdf_nointeger): Likewise.
1198         (*movdf_integer_rex64): Likewise.
1199         (*movtf_internal): Likewise.
1200         (zero_extendsidi2_32): Likewise.
1201         (zero_extendsidi2_rex64): Likewise.
1202         (*extendsfdf2_mixed): Likewise.
1203         (*extendsfdf2_sse): Likewise.
1204         (*truncdfsf_fast_mixed): Likewise.
1205         (*truncdfsf_fast_sse): Likewise.
1206         (*truncdfsf_mixed): Likewise.
1207         (fix_trunc<mode>di_sse): Likewise.
1208         (fix_trunc<mode>si_sse): Likewise.
1209         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
1210         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
1211         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
1212         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
1213         (*rcpsf2_sse): Likewise.
1214         (*rsqrtsf2_sse): Likewise.
1215         (*sqrt<mode>2_sse): Likewise.
1216         (sse4_1_round<mode>2): Likewise.
1217         (*sse_prologue_save_insn): Disallow REX prefix for AVX.
1218         Support AVX.  Set length attribute properly for AVX.
1219
1220         * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New.
1221         (VECTOR_MODES (FLOAT, 32)): Likewise.
1222         (VECTOR_MODE (INT, DI, 8)): Likewise.
1223         (VECTOR_MODE (INT, HI, 32)): Likewise.
1224         (VECTOR_MODE (INT, QI, 64)): Likewise.
1225         (VECTOR_MODE (FLOAT, DF, 8)): Likewise.
1226         (VECTOR_MODE (FLOAT, SF, 16)): Likewise.
1227         (VECTOR_MODE (INT, DI, 4)): Removed.
1228         (VECTOR_MODE (INT, SI, 8)): Likewise.
1229         (VECTOR_MODE (INT, HI, 16)): Likewise.
1230         (VECTOR_MODE (INT, QI, 32)): Likewise.
1231         (VECTOR_MODE (FLOAT, SF, 8)): Likewise.
1232         (INT_MODE (OI, 32)): Likewise.
1233
1234         * config/i386/i386.opt (mavx): New.
1235         (mfma): Likewise.
1236
1237         * config/i386/i386-protos.h (ix86_attr_length_vex_default): New.
1238
1239         * config/i386/mmx.md (*mov<mode>_internal_rex64): Support AVX.
1240         (*mov<mode>_internal_avx): New.
1241         (*movv2sf_internal_rex64_avx): Likewise.
1242         (*movv2sf_internal_avx): Likewise.
1243
1244         * config/i386/predicates.md (const_4_to_5_operand): New.
1245         (const_6_to_7_operand): Likewise.
1246         (const_8_to_11_operand): Likewise.
1247         (const_12_to_15_operand): Likewise.
1248         (avx_comparison_float_operator): Likewise.
1249
1250         * config/i386/sse.md (AVX256MODEI): New.
1251         (AVX256MODE): Likewise.
1252         (AVXMODEQI): Likewise.
1253         (AVXMODE): Likewise.
1254         (AVX256MODEF2P): Likewise.
1255         (AVX256MODE2P): Likewise.
1256         (AVX256MODE4P): Likewise.
1257         (AVX256MODE8P): Likewise.
1258         (AVXMODEF2P): Likewise.
1259         (AVXMODEF4P): Likewise.
1260         (AVXMODEDCVTDQ2PS): Likewise.
1261         (AVXMODEDCVTPS2DQ): Likewise.
1262         (avxvecmode): Likewise.
1263         (avxvecpsmode): Likewise.
1264         (avxhalfvecmode): Likewise.
1265         (avxscalarmode): Likewise.
1266         (avxcvtvecmode): Likewise.
1267         (avxpermvecmode): Likewise.
1268         (avxmodesuffixf2c): Likewise.
1269         (avxmodesuffixp): Likewise.
1270         (avxmodesuffixs): Likewise.
1271         (avxmodesuffix): Likewise.
1272         (vpermilbits): Likewise.
1273         (pinsrbits): Likewise.
1274         (mov<mode>): Likewise.
1275         (*mov<mode>_internal): Likewise.
1276         (push<mode>1): Likewise.
1277         (movmisalign<mode>): Likewise.
1278         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1279         (avx_movdqu<avxmodesuffix>): Likewise.
1280         (avx_lddqu<avxmodesuffix>): Likewise.
1281         (<plusminus_insn><mode>3): Likewise.
1282         (*avx_<plusminus_insn><mode>3): Likewise.
1283         (*avx_vm<plusminus_insn><mode>3): Likewise.
1284         (mul<mode>3): Likewise.
1285         (*avx_mul<mode>3): Likewise.
1286         (*avx_vmmul<mode>3): Likewise.
1287         (divv8sf3): Likewise.
1288         (divv4df3): Likewise.
1289         (avx_div<mode>3): Likewise.
1290         (*avx_div<mode>3): Likewise.
1291         (*avx_vmdiv<mode>3): Likewise.
1292         (avx_rcpv8sf2): Likewise.
1293         (*avx_vmrcpv4sf2): Likewise.
1294         (sqrtv8sf2): Likewise.
1295         (avx_sqrtv8sf2): Likewise.
1296         (*avx_vmsqrt<mode>2): Likewise.
1297         (rsqrtv8sf2): Likewise.
1298         (avx_rsqrtv8sf2): Likewise.
1299         (*avx_vmrsqrtv4sf2): Likewise.
1300         (<code><mode>3): Likewise.
1301         (*avx_<code><mode>3_finite): Likewise.
1302         (*avx_<code><mode>3): Likewise.
1303         (*avx_vm<code><mode>3): Likewise.
1304         (*avx_ieee_smin<mode>3): Likewise.
1305         (*avx_ieee_smax<mode>3): Likewise.
1306         (avx_addsubv8sf3): Likewise.
1307         (avx_addsubv4df3): Likewise.
1308         (*avx_addsubv4sf3): Likewise.
1309         (*avx_addsubv2df3): Likewise.
1310         (avx_h<plusminus_insn>v4df3): Likewise.
1311         (avx_h<plusminus_insn>v8sf3): Likewise.
1312         (*avx_h<plusminus_insn>v4sf3): Likewise.
1313         (*avx_h<plusminus_insn>v2df3): Likewise.
1314         (avx_cmpp<avxmodesuffixf2c><mode>3): Likewise.
1315         (avx_cmps<ssemodesuffixf2c><mode>3): Likewise.
1316         (*avx_maskcmp<mode>3): Likewise.
1317         (avx_nand<mode>3): Likewise.
1318         (*avx_<code><mode>3): Likewise.
1319         (*avx_nand<mode>3): Likewise.
1320         (*avx_<code><mode>3): Likewise.
1321         (*avx_cvtsi2ss): Likewise.
1322         (*avx_cvtsi2ssq): Likewise.
1323         (*avx_cvtsi2sd): Likewise.
1324         (*avx_cvtsi2sdq): Likewise.
1325         (*avx_cvtsd2ss): Likewise.
1326         (avx_cvtss2sd): Likewise.
1327         (avx_cvtdq2ps<avxmodesuffix>): Likewise.
1328         (avx_cvtps2dq<avxmodesuffix>): Likewise.
1329         (avx_cvttps2dq<avxmodesuffix>): Likewise.
1330         (*avx_cvtsi2sd): Likewise.
1331         (*avx_cvtsi2sdq): Likewise.
1332         (avx_cvtdq2pd256): Likewise.
1333         (avx_cvtpd2dq256): Likewise.
1334         (avx_cvttpd2dq256): Likewise.
1335         (*avx_cvtsd2ss): Likewise.
1336         (*avx_cvtss2sd): Likewise.
1337         (avx_cvtpd2ps256): Likewise.
1338         (avx_cvtps2pd256): Likewise.
1339         (*avx_movhlps): Likewise.
1340         (*avx_movlhps): Likewise.
1341         (avx_unpckhps256): Likewise.
1342         (*avx_unpckhps): Likewise.
1343         (avx_unpcklps256): Likewise.
1344         (*avx_unpcklps): Likewise.
1345         (avx_movshdup256): Likewise.
1346         (avx_movsldup256): Likewise.
1347         (avx_shufps256): Likewise.
1348         (avx_shufps256_1): Likewise.
1349         (*avx_shufps_<mode>): Likewise.
1350         (*avx_loadhps): Likewise.
1351         (*avx_storelps): Likewise.
1352         (*avx_loadlps): Likewise.
1353         (*avx_movss): Likewise.
1354         (*vec_dupv4sf_avx): Likewise.
1355         (*vec_concatv2sf_avx): Likewise.
1356         (*vec_concatv4sf_avx): Likewise.
1357         (*vec_setv4sf_0_avx): Likewise.
1358         (*vec_setv4sf_avx): Likewise.
1359         (*avx_insertps): Likewise.
1360         (avx_vextractf128<mode>): Likewise.
1361         (vec_extract_lo_<mode>): Likewise.
1362         (vec_extract_hi_<mode>): Likewise.
1363         (vec_extract_lo_<mode>): Likewise.
1364         (vec_extract_hi_<mode>): Likewise.
1365         (vec_extract_lo_v16hi): Likewise.
1366         (vec_extract_hi_v16hi): Likewise.
1367         (vec_extract_lo_v32qi): Likewise.
1368         (vec_extract_hi_v32qi): Likewise.
1369         (avx_unpckhpd256): Likewise.
1370         (*avx_unpckhpd): Likewise.
1371         (avx_movddup256): Likewise.
1372         (*avx_movddup): Likewise.
1373         (avx_unpcklpd256): Likewise.
1374         (*avx_unpcklpd): Likewise.
1375         (avx_shufpd256): Likewise.
1376         (avx_shufpd256_1): Likewise.
1377         (*avx_punpckhqdq): Likewise.
1378         (*avx_punpcklqdq): Likewise.
1379         (*avx_shufpd_<mode>): Likewise.
1380         (*avx_storehpd): Likewise.
1381         (*avx_loadhpd): Likewise.
1382         (*avx_loadlpd): Likewise.
1383         (*avx_movsd): Likewise.
1384         (*vec_concatv2df_avx): Likewise.
1385         (*avx_<plusminus_insn><mode>3): Likewise.
1386         (*avx_<plusminus_insn><mode>3): Likewise.
1387         (*avx_mulv8hi3): Likewise.
1388         (*avxv8hi3_highpart): Likewise.
1389         (*avx_umulv8hi3_highpart): Likewise.
1390         (*avx_umulv2siv2di3): Likewise.
1391         (*avx_mulv2siv2di3): Likewise.
1392         (*avx_pmaddwd): Likewise.
1393         (*avx_mulv4si3): Likewise.
1394         (*avx_ashr<mode>3): Likewise.
1395         (*avx_lshr<mode>3): Likewise.
1396         (*avx_ashl<mode>3): Likewise.
1397         (*avx_<code><mode>3): Likewise.
1398         (*avx_eq<mode>3): Likewise.
1399         (*avx_gt<mode>3): Likewise.
1400         (*avx_nand<mode>3): Likewise.
1401         (*avx_nand<mode>3): Likewise.
1402         (*avx_<code><mode>3): Likewise.
1403         (*avx_<code><mode>3): Likewise.
1404         (*avx_packsswb): Likewise.
1405         (*avx_packssdw): Likewise.
1406         (*avx_packuswb): Likewise.
1407         (*avx_punpckhbw): Likewise.
1408         (*avx_punpcklbw): Likewise.
1409         (*avx_punpckhwd): Likewise.
1410         (*avx_punpcklwd): Likewise.
1411         (*avx_punpckhdq): Likewise.
1412         (*avx_punpckldq): Likewise.
1413         (*avx_pinsr<avxmodesuffixs>): Likewise.
1414         (*avx_pinsrq): Likewise.
1415         (*avx_loadld): Likewise.
1416         (*vec_extractv2di_1_rex64_avx): Likewise.
1417         (*vec_extractv2di_1_avx): Likewise.
1418         (*vec_dupv2di_avx): Likewise.
1419         (*vec_concatv2si_avx): Likewise.
1420         (*vec_concatv4si_1_avx): Likewise.
1421         (*vec_concatv2di_avx): Likewise.
1422         (*vec_concatv2di_rex64_avx): Likewise.
1423         (*avx_uavgv16qi3): Likewise.
1424         (*avx_uavgv8hi3): Likewise.
1425         (*avx_psadbw): Likewise.
1426         (avx_movmskp<avxmodesuffixf2c>256): Likewise.
1427         (*avx_phaddwv8hi3): Likewise.
1428         (*avx_phadddv4si3): Likewise.
1429         (*avx_phaddswv8hi3): Likewise.
1430         (*avx_phsubwv8hi3): Likewise.
1431         (*avx_phsubdv4si3): Likewise.
1432         (*avx_phsubswv8hi3): Likewise.
1433         (*avx_pmaddubsw128): Likewise.
1434         (*avx_pmulhrswv8hi3): Likewise.
1435         (*avx_pshufbv16qi3): Likewise.
1436         (*avx_psign<mode>3): Likewise.
1437         (*avx_palignrti): Likewise.
1438         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1439         (avx_blendvp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1440         (avx_dpp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1441         (*avx_mpsadbw): Likewise.
1442         (*avx_packusdw): Likewise.
1443         (*avx_pblendvb): Likewise.
1444         (*avx_pblendw): Likewise.
1445         (avx_vtestp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1446         (avx_ptest256): Likewise.
1447         (avx_roundp<avxmodesuffixf2c>256): Likewise.
1448         (*avx_rounds<ssemodesuffixf2c>): Likewise.
1449         (*avx_aesenc): Likewise.
1450         (*avx_aesenclast): Likewise.
1451         (*avx_aesdec): Likewise.
1452         (*avx_aesdeclast): Likewise.
1453         (avx_vzeroupper): Likewise.
1454         (avx_vzeroupper_rex64): Likewise.
1455         (avx_vpermil<mode>): Likewise.
1456         (avx_vpermilvar<mode>3): Likewise.
1457         (avx_vpermil2<mode>3): Likewise.
1458         (avx_vperm2f128<mode>3): Likewise.
1459         (avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1460         (avx_vbroadcastss256): Likewise.
1461         (avx_vbroadcastf128_p<avxmodesuffixf2c>256): Likewise.
1462         (avx_vinsertf128<mode>): Likewise.
1463         (vec_set_lo_<mode>): Likewise.
1464         (vec_set_hi_<mode>): Likewise.
1465         (vec_set_lo_<mode>): Likewise.
1466         (vec_set_hi_<mode>): Likewise.
1467         (vec_set_lo_v16hi): Likewise.
1468         (vec_set_hi_v16hi): Likewise.
1469         (vec_set_lo_v32qi): Likewise.
1470         (vec_set_hi_v32qi): Likewise.
1471         (avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1472         (avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): Likewise.
1473         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
1474         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Likewise.
1475         (vec_init<mode>): Likewise.
1476         (*vec_concat<mode>_avx): Likewise.
1477         (blendbits): Support V8SF and V4DF.
1478         (sse2_movq128): Support AVX.
1479         (<sse>_movnt<mode>): Likewise.
1480         (sse2_movntv2di): Likewise.
1481         (sse_rcpv4sf2): Likewise.
1482         (sse_sqrtv4sf2): Likewise.
1483         (sse_rsqrtv4sf2): Likewise.
1484         (<sse>_comi): Likewise.
1485         (<sse>_ucomi): Likewise.
1486         (sse_cvtss2si): Likewise.
1487         (sse_cvtss2si_2): Likewise.
1488         (sse_cvtss2siq): Likewise.
1489         (sse_cvtss2siq_2): Likewise.
1490         (sse_cvttss2si): Likewise.
1491         (sse_cvttss2siq): Likewise.
1492         (sse2_cvtsd2si): Likewise.
1493         (sse2_cvtsd2si_2): Likewise.
1494         (sse2_cvtsd2siq): Likewise.
1495         (sse2_cvtsd2siq_2): Likewise.
1496         (sse2_cvttsd2si): Likewise.
1497         (sse2_cvttsd2siq): Likewise.
1498         (sse2_cvtdq2pd): Likewise.
1499         (*sse2_cvtpd2dq): Likewise.
1500         (*sse2_cvttpd2dq): Likewise.
1501         (*sse2_cvtpd2ps): Likewise.
1502         (sse2_cvtps2pd): Likewise.
1503         (sse3_movshdup): Likewise.
1504         (sse3_movsldup): Likewise.
1505         (sse_storehps): Likewise.
1506         (*sse4_1_extractps): Likewise.
1507         (sse2_storelpd): Likewise.
1508         (vec_dupv2df_sse3): Likewise.
1509         (*vec_concatv2df_sse3): Likewise.
1510         (*sse4_1_pextrb): Likewise.
1511         (*sse4_1_pextrb_memory): Likewise.
1512         (*sse2_pextrw): Likewise.
1513         (*sse4_1_pextrw_memory): Likewise.
1514         (*sse4_1_pextrd): Likewise.
1515         (*sse4_1_pextrq): Likewise.
1516         (sse2_pshufd_1): Likewise.
1517         (sse2_pshuflw_1): Likewise.
1518         (sse2_pshufhw_1): Likewise.
1519         (*sse2_storeq_rex64): Likewise.
1520         (*vec_dupv4si): Likewise.
1521         (<sse>_movmskp<ssemodesuffixf2c>): Likewise.
1522         (sse2_pmovmskb): Likewise.
1523         (*sse2_maskmovdqu): Likewise.
1524         (*sse2_maskmovdqu_rex64): Likewise.
1525         (sse_ldmxcsr): Likewise.
1526         (sse_stmxcsr): Likewise.
1527         (abs<mode>2): Likewise.
1528         (sse4_1_movntdqa): Likewise.
1529         (sse4_1_phminposuw): Likewise.
1530         (sse4_1_extendv8qiv8hi2): Likewise.
1531         (*sse4_1_extendv8qiv8hi2): Likewise.
1532         (sse4_1_extendv4qiv4si2): Likewise.
1533         (*sse4_1_extendv4qiv4si2): Likewise.
1534         (sse4_1_extendv2qiv2di2): Likewise.
1535         (*sse4_1_extendv2qiv2di2): Likewise.
1536         (sse4_1_extendv4hiv4si2): Likewise.
1537         (*sse4_1_extendv4hiv4si2): Likewise.
1538         (sse4_1_extendv2hiv2di2): Likewise.
1539         (*sse4_1_extendv2hiv2di2): Likewise.
1540         (sse4_1_extendv2siv2di2): Likewise.
1541         (*sse4_1_extendv2siv2di2): Likewise.
1542         (sse4_1_zero_extendv8qiv8hi2): Likewise.
1543         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
1544         (sse4_1_zero_extendv4qiv4si2): Likewise.
1545         (*sse4_1_zero_extendv4qiv4si2): Likewise.
1546         (sse4_1_zero_extendv2qiv2di2): Likewise.
1547         (*sse4_1_zero_extendv2qiv2di2): Likewise.
1548         (sse4_1_zero_extendv4hiv4si2): Likewise.
1549         (*sse4_1_zero_extendv4hiv4si2): Likewise.
1550         (sse4_1_zero_extendv2hiv2di2): Likewise.
1551         (*sse4_1_zero_extendv2hiv2di2): Likewise.
1552         (sse4_1_zero_extendv2siv2di2): Likewise.
1553         (*sse4_1_zero_extendv2siv2di2): Likewise.
1554         (sse4_1_ptest): Likewise.
1555         (sse4_1_roundp<ssemodesuffixf2c>): Likewise.
1556         (sse4_2_pcmpestri): Likewise.
1557         (sse4_2_pcmpestrm): Likewise.
1558         (sse4_2_pcmpistri): Likewise.
1559         (sse4_2_pcmpistrm): Likewise.
1560         (aesimc): Likewise.
1561         (aeskeygenassist): Likewise.
1562
1563 2008-08-28  Uros Bizjak  <ubizjak@gmail.com>
1564
1565         * config/i386/predicates.md (vzeroall_operation): New.
1566
1567         * config/i386/sse.md (avx_vzeroall): New.
1568         (*avx_vzeroall): Likewise.
1569
1570 2008-08-28  Paul Brook  <paul@codesourcery.com>
1571             Mark Shinwell  <shinwell@codesourcery.com>
1572             Richard Earnshaw  <richard.earnshaw@arm.com>
1573
1574         * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New.
1575         (TARGET_MIN_ANCHOR_OFFSET): New.
1576         (arm_override_options): Set correct anchor ranges for Thumb-1
1577         and Thumb-2 if required.
1578         (legitimize_pic_address): Handle case involving a TLS symbol
1579         reference with an addend.
1580         (arm_optimization_options): Enable section anchors at -O1 and
1581         above.
1582         * config/arm/arm.h (OPTIMIZATION_OPTIONS): New.
1583         * config/arm/arm-protos.h (arm_optimization_options): New.
1584
1585 2008-08-28  Nick Clifton  <nickc@redhat.com>
1586
1587         * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define.
1588         * config/stormy16/stormy16.md (zero_extendqihi2): Fix length
1589         attribute.
1590
1591         * config/v850/v850.h (IRA_COVER_CLASSES): Define.
1592         * config/v850/v850.md (return): Remove frame size restriction.
1593
1594         * config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
1595
1596         * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define.
1597
1598         * config/fr30/fr30.h (IRA_COVER_CLASSES): Define.
1599
1600         * config/m32r/m32r.h (IRA_COVER_CLASSES): Define.
1601
1602 2008-08-28  Paul Brook  <paul@codesourcery.com>
1603
1604         * config/arm/vfp11.md: Update license notice.
1605         * config/arm/cortex-r4.md: Ditto.
1606
1607 2008-08-28  Richard Guenther  <rguenther@suse.de>
1608
1609         PR tree-optimization/37207
1610         * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix
1611         tuplification bug.
1612
1613 2008-08-28  Dodji Seketeli  <dodji@redhat.com>
1614
1615         PR c++/36741
1616         * tree.c (int_fits_type_p): Don't forget unsigned integers
1617           of type sizetype which higher end word equals -1.
1618
1619 2008-08-28  Ira Rosen  <irar@il.ibm.com>
1620
1621         * target.h (struct vectorize): Add new target builtin.
1622         * tree-vectorizer.c (destroy_loop_vec_info): Call
1623         vect_free_slp_instance instead of vect_free_slp_node.
1624         * tree-vectorizer.h (enum slp_load_perm_type): New.
1625         (struct _slp_instance): Add new fields.
1626         (SLP_INSTANCE_LOAD_PERMUTATION): New.
1627         (SLP_INSTANCE_LOADS): New.
1628         (vect_free_slp_tree): Remove.
1629         (vect_free_slp_instance): Declare.
1630         (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
1631         (vectorizable_load): Add argument.
1632         (vect_transform_slp_perm_load): New.
1633         * tree-vect-analyze.c (vect_analyze_operations): Add an argument to
1634         vectorizable_load.
1635         (vect_get_place_in_interleaving_chain): New function.
1636         (vect_free_slp_tree): Make static.
1637         (vect_free_slp_instance): New function.
1638         (vect_build_slp_tree): Add new arguments. Allow load permutations and
1639         collect the load location in the interleaving chain.
1640         (vect_supported_slp_permutation_p): New function.
1641         (vect_supported_load_permutation_p): Likewise.
1642         (vect_analyze_slp_instance): In case of loads permutation, call
1643         vect_supported_load_permutation_p to check that the permutation is
1644         supported.
1645         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
1646         * tree-vect-transform.c (vect_transform_stmt): Add new argument.
1647         (vect_create_mask_and_perm): New function.
1648         (vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
1649         (vectorizable_load): Add an argument. Don't keep the created vectors
1650         statements in the node if permutation is required. Call
1651         vect_transform_slp_perm_load to generate the permutation.
1652         (vect_transform_stmt): Add new argument. Call vectorizable_load with
1653         additional argument.
1654         (vect_schedule_slp_instance): In case of loads permutation, allocate
1655         vectorized statements structure for all the related SLP nodes. Call
1656         vect_transform_stmt with addditional argument.
1657         (vect_transform_loop): Call vect_transform_stmt with correct arguments.
1658         * config/spu/spu.c (spu_builtin_vec_perm): New.
1659         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1660         * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
1661         * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
1662         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1663
1664 2008-08-28  Chris Fairles  <chris.fairles@gmail.com>
1665
1666         * gthr-posix.h (__gthread_create,  __gthread_join, __gthread_detach,
1667         __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock,
1668         __gthread_cond_signal, __gthread_cond_timedwait,
1669         __gthread_cond_timedwait_recursive): New functions.
1670         * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait):
1671         Likewise.
1672         * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming
1673         thread interfaces.
1674
1675 2008-08-28  Richard Guenther  <rguenther@suse.de>
1676
1677         PR middle-end/37005
1678         * fold-const.c (maybe_canonicalize_comparison_1): Require
1679         undefined overflow only for canonicalizing A +- CST cmp CST.
1680         Make sure to not generate new constants that are not inside
1681         their TYPE_MIN/MAX_VALUE range.
1682         (maybe_canonicalize_comparison): Remove undefined overflow
1683         checking from here.
1684         (fold_binary): Remove now duplicate folding.
1685
1686 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1687
1688         * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT
1689         use not updated in the last change.
1690
1691 2008-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
1692
1693         * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS.
1694         (IRA_COVER_CLASSES): Add FPUL_REGS.
1695
1696 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1697
1698         PR 37217
1699         * c-common.c (conversion_warning): Check for null operands.
1700
1701 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1702
1703         PR c/31673
1704         * c-decl.c (check_for_loop_decls): Improve error message. Give
1705         hint.
1706
1707 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1708
1709         PR c/37186
1710         * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter.
1711         (convert_for_assignment): Pass corrent OPT_W* parameter to
1712         WARN_FOR_ASSIGNMENT.
1713
1714 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1715
1716         PR c++/35321
1717         * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
1718
1719 2008-08-27  Paul Brook  <paul@codesourcery.com>
1720
1721         * config.gcc: Loosen checks for arm uclinux eabi targets.
1722
1723 2008-08-27  Paul Brook  <paul@codesourcery.com>
1724
1725         * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on
1726         _clzsi2.
1727         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
1728
1729 2008-08-26  Douglas Gregor  <doug.gregor@gmail.com>
1730
1731         * c-common.c (do_switch_warnings): Look through the CONST_DECLs in
1732         the enumerators of an ENUMERAL_TYPE.
1733         * dbxout.c (dbxout_type): Ditto.
1734
1735 2008-08-26  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1736
1737         PR rtl-opt/37219
1738         * fwprop.c (fwprop): Check that the loop_father is the outer loop.
1739         (fwprop_addr): Check that the loop_father is not the outer loop.
1740
1741 2008-08-26  Paul Brook  <paul@codesourcery.com>
1742
1743         * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types.
1744         Remove documentation entry for fmul type.
1745         Use fmuls to annotate single-precision multiplication patterns,
1746         fmuld to annotate double-precision multiplication patterns,
1747         fmacs to annotate single-precision multiply-accumulate patterns
1748         and fmacd to annotate double-precision multiply-accumulate patterns.
1749         * config/arm/vfp11.md: Update reservations accordingly.
1750         * config/arm/arm.md: Note that certain values of the "type"
1751         attribute are documented in vfp.md.
1752         * config/arm/arm1020e.md: Remove out of date duplicate comment.
1753         (v10_cvt): Use new fmul types.
1754
1755 2008-08-26  Paul Brook   <paul@codesourcery.com>
1756
1757         * config/arm/vfp.md: Move pipeline description for VFP11 to...
1758         * config/arm/vfp11.md: ...here.  New.
1759         * config/arm/arm.md: Include vfp11.md.
1760
1761 2008-08-26  Hans-Peter Nilsson  <hp@axis.com>
1762
1763         * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing
1764         parameter to inform call.
1765
1766 2008-08-26  Jeff Law  <law@redhat.com>
1767
1768         * mn10300.md (movqi, movhi): Split i->d*a case into two cases to
1769         avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
1770         preferred class when copying a constant into a partial word register.
1771
1772 2008-08-26  Ben Elliston  <bje@au.ibm.com>
1773
1774         * rtlanal.c: Fix uses of "it's" with "its" where appropriate.
1775         * cp/typeck.c: Likewise.
1776         * cp/tree.c: Likewise.
1777         * gimple-low.c: Likewise.
1778         * jump.c: Likewise.
1779
1780 2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>
1781
1782         * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
1783         ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
1784
1785         * doc/passes.texi: Describe IRA.
1786
1787         * doc/tm.texi (IRA_COVER_CLASSES,
1788         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
1789
1790         * doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
1791         (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
1792         -fira-propagate-cost, -fno-ira-share-save-slots,
1793         -fno-ira-share-spill-slots, -fira-verbose): Describe new options.
1794
1795         * flags.h (ira_algorithm): New enumeration.
1796         (flag_ira_algorithm, flag_ira_verbose): New external variable
1797         declarations.
1798
1799         * postreload.c (gate_handle_postreload): Don't do post reload
1800         optimizations unless the reload is completed.
1801
1802         * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
1803         IRA.
1804
1805         * tree-pass.h (pass_ira): New external variable declaration.
1806
1807         * reload.h: Add 2008 to the Copyright.
1808
1809         * cfgloopanal.c: Include params.h.
1810         (estimate_reg_pressure_cost): Decrease cost for IRA optimization
1811         mode.
1812
1813         * params.h (IRA_MAX_LOOPS_NUM): New macro.
1814
1815         * toplev.c (ira.h): New include.
1816         (flag_ira_algorithm, flag_ira_verbose): New external variables.
1817         (backend_init_target): Call ira_init.
1818         (backend_init): Call ira_init_once.
1819         (finalize): Call finish_ira_once.
1820
1821         * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
1822         flag_ira_share_save_slots, flag_ira_share_spill_slots): New
1823         external variables.
1824
1825         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1826         may_move_out_cost): New external variable declarations.
1827         (move_table): New typedef.
1828
1829         * caller-save.c: Include headers output.h and ira.h.
1830         (no_caller_save_reg_set): New global variable.
1831         (save_slots_num, save_slots): New variables.
1832         (reg_save_code, reg_restore_code, add_stored_regs): Add
1833         prototypes.
1834         (init_caller_save): Set up no_caller_save_reg_set.
1835         (init_save_areas): Reset save_slots_num.
1836         (saved_hard_reg): New structure.
1837         (hard_reg_map, saved_regs_num, all_saved_regs): New variables.
1838         (initiate_saved_hard_regs, new_saved_hard_reg,
1839         finish_saved_hard_regs, saved_hard_reg_compare_func): New
1840         functions.
1841         (setup_save_areas): Add code for sharing stack slots.
1842         (all_blocks): New variable.
1843         (save_call_clobbered_regs): Process pseudo-register too.
1844         (mark_set_regs): Process pseudo-register too.
1845         (insert_one_insn): Put the insn after bb note in a empty basic
1846         block.  Add insn check.
1847
1848         * global.c (eliminable_regset): Make it external.
1849         (mark_elimination): Use DF_LR_IN for IRA.
1850         (pseudo_for_reload_consideration_p): New.
1851         (build_insn_chain): Make it external.  Don't ignore spilled
1852         pseudos for IRA.  Use pseudo_for_reload_consideration_p.
1853         (gate_handle_global_alloc): New function.
1854         (pass_global_alloc): Add the gate function.
1855
1856         * opts.c (decode_options): Set up flag_ira.  Print the warning for
1857         -fira.
1858         (common_handle_option): Process -fira-algorithm and -fira-verbose.
1859
1860         * timevar.def (TV_IRA, TV_RELOAD): New passes.
1861
1862         * regmove.c (regmove_optimize): Don't do replacement of output for
1863         IRA.
1864
1865         * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
1866         New external variable declarations.
1867
1868         * local-alloc.c (update_equiv_regs): Make it external.  Return
1869         true if jump label rebuilding should be done.  Rescan new_insn for
1870         notes.
1871         (gate_handle_local_alloc): New function.
1872         (pass_local_alloc): Add the gate function.
1873
1874         * alias.c (value_addr_p, stack_addr_p): New functions.
1875         (nonoverlapping_memrefs_p): Use them for IRA.
1876
1877         * common.opt (fira, fira-algorithm, fira-coalesce,
1878         fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
1879         fira-verbose): New options.
1880
1881         * regclass.c (reg_class_subclasses, contains_reg_of_mode,
1882         move_cost, may_move_in_cost, may_move_out_cost): Make the
1883         variables external.
1884         (move_table): Remove typedef.
1885         (init_move_cost): Make it external.
1886         (allocate_reg_info, resize_reg_info, setup_reg_classes): New
1887         functions.
1888
1889         * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
1890         setup_reg_classes): New function prototypes.
1891         (eliminable_regset): New external variable declaration.
1892         (build_insn_chain, update_equiv_regs): New function prototypes.
1893
1894         * Makefile.in (IRA_INT_H): New definition.
1895         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1896         ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
1897         (reload1.o, toplev.o): Add dependence on ira.h.
1898         (cfgloopanal.o): Add PARAMS_H.
1899         (caller-save.o): Add dependence on output.h and ira.h.
1900         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1901         ira-emit.o, ira-lives.o): New entries.
1902
1903         * passes.c (pass_ira): New pass.
1904
1905         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
1906
1907         * reload1.c (ira.h): Include the header.
1908         (changed_allocation_pseudos): New bitmap.
1909         (init_reload): Initiate the bitmap.
1910         (compute_use_by_pseudos): Permits spilled registers in FROM.
1911         (temp_pseudo_reg_arr): New variable.
1912         (reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
1913         IRA.  Call alter_reg with the additional parameter.  Don't clear
1914         spilled_pseudos for IRA.  Restore original insn chain for IRA.
1915         Clear changed_allocation_pseudos at the end of reload.
1916         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
1917         (hard_regno_to_pseudo_regno): New variable.
1918         (count_pseudo): Check spilled pseudos.  Set up
1919         hard_regno_to_pseudo_regno.
1920         (count_spilled_pseudo): Check spilled pseudos. Update
1921         hard_regno_to_pseudo_regno.
1922         (find_reg): Use better_spill_reload_regno_p.  Check
1923         hard_regno_to_pseudo_regno.
1924         (alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
1925         code for IRA.
1926         (eliminate_regs_1): Use additional parameter for alter_reg.
1927         (finish_spills): Set up pseudo_previous_regs only for spilled
1928         pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
1929         more arguments.  Don't clear live_throughout and dead_or_set for
1930         spilled pseudos.  Use additional parameter for alter_reg.  Call
1931         mark_allocation_change.  Set up changed_allocation_pseudos.
1932         Remove sanity check.
1933         (emit_input_reload_insns, delete_output_reload): Use additional
1934         parameter for alter_reg.  Call mark_allocation_change.
1935         (substitute, gen_reload_chain_without_interm_reg_p): New
1936         functions.
1937         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
1938
1939         * testsuite/gcc.dg/20080410-1.c: New file.
1940
1941         * config/s390/s390.h (IRA_COVER_CLASSES,
1942         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
1943
1944         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1945
1946         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1947
1948         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1949
1950         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1951
1952         * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
1953
1954         * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
1955
1956         2008-08-24  Jeff Law  <law@redhat.com>
1957         * ira.c (setup_reg_class_intersect_union): Prefer smallest class
1958         when ignoring unavailable registers.
1959
1960         2008-08-24  Jeff Law  <law@redhat.com>
1961         * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
1962         FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
1963         * ira.c (setup_eliminable_regset): Check stack_realign_needed.
1964         * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
1965
1966         2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
1967         * ira-build.c (allocno_range_compare_func): Stabilize sort.
1968
1969         2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
1970         * config/avr/avr.h (IRA_COVER_CLASSES): New macro.
1971         * reload1.c (find_reg): Process registers in register allocation order.
1972
1973         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1974         * toplev.c (backend_init_target): Move ira_init call from
1975         here...
1976         (lang_dependent_init_target): ...to here.
1977
1978         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1979         * ira.c (setup_class_subset_and_memory_move_costs): Don't
1980         calculate memory move costs for NO_REGS.
1981
1982         2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
1983         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
1984         STACK_REGS is defined.
1985
1986         2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1987         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
1988
1989         2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
1990         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
1991
1992         2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
1993         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
1994         * config/sh/sh.md (movsicc_true+3): Check if emit returns a
1995         barrier.
1996
1997 2008-08-26  Victor Kaplansky  <victork@il.ibm.com>
1998             Dorit Nuzman  <dorit@il.ibm.com>
1999
2000         * gcc/config/spu/spu.md (vec_extract_evenv4si,
2001         vec_extract_evenv4sf, vec_extract_evenv8hi,
2002         vec_extract_evenv16qi, vec_extract_oddv4si,
2003         vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
2004         vec_interleave_highv4sf, vec_interleave_lowv4sf,
2005         vec_interleave_highv4si, vec_interleave_lowv4si,
2006         vec_interleave_highv8hi, vec_interleave_lowv8hi,
2007         vec_interleave_highv16qi, vec_interleave_lowv16qi,
2008         vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S
2009
2010 2008-08-25  Janis Johnson  <janis187@us.ibm.com>
2011
2012         PR target/36756
2013         * config/rs6000/rs6000.c (optimization_options): Don't default to
2014         section anchors without toplevel reorder.
2015
2016 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2017
2018         * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function.
2019         (mfc_end_critical_section): Likewise.
2020
2021 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2022
2023         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate
2024         all type qualifiers from element type to vector type.
2025
2026 2008-08-25  David Daney  <ddaney@avtrex.com>
2027
2028         * config/mips/mips.md (immediate_insn): Move up in file, fix
2029         comment typo, reformat.
2030         (fetchop_bit, atomic_hiqi_op memory_barrier,
2031         sync_compare_and_swap<mode>, compare_and_swap_12, sync_add<mode>,
2032         sync_<optab><mode>, sync_<optab>_12, sync_old_<optab><mode>,
2033         sync_old_<optab>_12, sync_new_<optab><mode>, sync_new_<optab>_12,
2034         sync_nand<mode>, sync_nand_12, sync_old_nand<mode>,
2035         sync_old_nand_12, sync_new_nand<mode>, sync_new_nand_12,
2036         sync_sub<mode>, sync_old_add<mode>, sync_old_sub<mode>,
2037         sync_new_add<mode>, sync_new_sub<mode>, sync_<optab><mode>,
2038         sync_old_<optab><mode>, sync_new_<optab><mode>, sync_nand<mode>,
2039         sync_old_nand<mode>, sync_new_nand<mode>,
2040         sync_lock_test_and_set<mode>, sync_lock_test_and_set<mode>,
2041         test_and_set_12): Moved to sync.md.
2042         (sync.md): Include.
2043         * config/mips/sync.md: New file.
2044
2045 2008-08-25  Richard Henderson  <rth@redhat.com>
2046
2047         * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT.
2048         (regsave): Likewise.
2049         (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT.
2050         (output_cfi_directive): Likewise.
2051         (div_data_align): New.
2052         (output_cfi): Use it.
2053
2054 2008-08-24  Adam Nemet  <anemet@caviumnetworks.com>
2055
2056         * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*.
2057         * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON.
2058         (TARGET_OCTEON): New macro.
2059         (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon.
2060         (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon.
2061         (ISA_HAS_POP): New macro.
2062         * config/mips/driver-native.c (host_detect_local_cpu): Handle
2063         Octeon.
2064         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2065         Handle Octeon.
2066         * config/mips/mips.md (cpu): Add octeon.
2067         (type): Add pop attribute value.
2068         (popcount<mode>2): New pattern.
2069         * doc/invoke.texi (-march=@var{arch}): Add octeon.
2070
2071 2008-08-24  Jan Hubicka  <jh@suse.cz>
2072
2073         * doc/invoke.texi (-fipa-cp-clone): New option.
2074         (-fipa-cp): Update docs.
2075         (--param ipcp-unit-growth):New.
2076         * ipa-cp.c: Include fibheap.h, params.h
2077         (ipcp_initialize_node_lattices): When not cloning, all externally
2078         visible functions are bottom.
2079         (ipcp_need_redirect_p): Accept clones.
2080         (ipcp_insert_stage): Use cost driven heuristics.
2081         (max_count, dead_nodes): New static vars.
2082         (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost,
2083         ipcp_const_param_count): New functions.
2084         * common.opt (ipa-cp-clone): New command line option.
2085         * params.def (ipcp-unit-growth): New.
2086
2087 2008-08-24  Jan Hubicka  <jh@suse.cz>
2088
2089         * tree-inline.c (tree_function_versioning): Look harder
2090         for referenced vars.
2091
2092 2008-08-24  Razya Ladelsky  <razya@il.ibm.com>
2093
2094         PR tree-optimization/37185
2095         * matrix-reorg.c (transform_access_sites): Update changed stmt.
2096
2097 2008-08-23  Jan Hubicka  <jh@suse.cz>
2098
2099         * ipa-cp.c (ipcp_analyze_node): New function.
2100         (ipcp_update_cloned_node): Use it.
2101         (ipcp_init_stage): Likewise.
2102         * ipa-inline.c (function_insertion_hook_holder): New static var.
2103         (analyze_function): Break out from ....
2104         (inline_generate_summary): Here; register insertion hook.
2105         (cgraph_decide_inlining): Remove hook.
2106         (add_new_function): New function.
2107
2108 2008-08-23  Jan Hubicka  <jh@suse.cz>
2109
2110         * opts.c (decode_options): Revert accidental change enabling ipa-cp.
2111
2112 2008-08-23  Jan Hubicka  <jh@suse.cz>
2113
2114         * ipa-cp.c (constant_val_insert): Remove.
2115         (ipcp_propagate_one_const): Remove.
2116         (ipcp_create_replace_map): Always insert replacements to the map.
2117         (ipcp_insert_stage): Do not try to insert statements by hand.
2118         * tree-inline.c (insert_init_stmt): Break out from ...
2119         (setup_one_parameter): ... here; allow NULL BB pointer.
2120         (tree_function_versioning): Use setup_one_parameter to process
2121         replacement map.
2122
2123 2008-08-23  Jan Hubicka  <jh@suse.cz>
2124
2125         * tree.c (decl_address_ip_invariant_p): New function.
2126         * tree.h (decl_address_ip_invariant_p): Declare.
2127         * gimple.c (strip_invariant_refs): Break out from ...
2128         (is_gimple_invariant_address): ... here
2129         (is_gimple_ip_invariant_address): New function.
2130         (is_gimple_ip_invariant): New function.
2131         * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant):
2132         Declare.
2133
2134         * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF.
2135         (ipcp_lat_is_insertable): All constants are insertable.
2136         (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of
2137         IPA_CONST_VALUE_REF.
2138         (ipcp_initialize_node_lattices): Propagate all types of operands.
2139         (build_const_val): Do not handle IPA_CONST_VALUE_REF.
2140         (ipcp_create_replace_map): Reformat.
2141         (ipcp_need_redirect_p): Simplify.
2142         (ipcp_insert_stage): Check that argument is used before clonning.
2143         * ipa-prop.c (ipa_print_node_jump_functions): Do not handle IPA_CONST_REF.
2144         (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat.
2145         (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members.
2146         (update_call_notes_after_inlining): Expect ADDR_EXPR in operand.
2147         * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF.
2148         (jump_func_type): Remove IPA_CONST_VALUE_REF.
2149         * tree-inline.c (tree_function_versioning): Add variables referenced by
2150         replacing trees.
2151
2152 2008-08-23  Jan Hubicka  <jh@suse.cz>
2153
2154         PR target/37094
2155         * i386.c (standard_80387_constant_p): Use optimize_size.
2156
2157 2008-08-23  Ira Rosen  <irar@il.ibm.com>
2158
2159         PR tree-optimization/37161
2160         * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare.
2161         * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function.
2162         (vect_determine_vectorization_factor): Move the scalar type
2163         retrieval to vect_get_smallest_scalar_type.
2164         (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get
2165         scalar type. Remove redundant computation.
2166         * tree-vect-transform.c (vect_get_constant_vectors): Add argument.
2167         (vect_get_slp_defs): Take the type of RHS into account if
2168         necessary by calling vect_get_smallest_scalar_type. Call
2169         vect_get_constant_vectors with additional argument.
2170
2171 2008-08-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2172
2173         PR 35648
2174         * doc/invoke.texi (Wwrite-strings): Clarify description.
2175
2176 2008-08-23  Ira Rosen  <irar@il.ibm.com>
2177
2178         PR tree-optimization/37174
2179         * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the
2180         def stmt is a part of the loop before accessing its stmt_vec_info.
2181
2182 2008-08-22  Anatoly Sokolov  <aesok@post.ru>
2183
2184         PR target/11259
2185         * config/avr/avr.md (UNSPEC_SWAP): New constants.
2186         (*swap): New insn pattern.
2187         (*ashlqi3): Rename from ashlqi3 insn pattern.
2188         (ashlqi3): New expanders.
2189         (*lshrqi3): Rename from lshrqi3 insn pattern.
2190         (lshrqi3): New expanders.
2191         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
2192         lshrqi3_const5, lshrqi3_const6): New splitters.
2193         (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
2194         lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
2195         peephole2 patterns.
2196
2197 2008-08-22  Richard Guenther  <rguenther@suse.de>
2198
2199         PR tree-optimization/37078
2200         * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
2201         [+INF, +INF] ranges.
2202
2203 2008-08-22  Richard Guenther  <rguenther@suse.de>
2204
2205         PR tree-optimization/37143
2206         * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
2207         a conversion statement instead of a copy.
2208
2209 2008-08-22  Uros Bizjak  <ubizjak@gmail.com>
2210
2211         PR target/37184
2212         * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
2213         CCCmode, CCOmode and CCSmode destination modes.
2214
2215         PR target/37191
2216         * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
2217         from different units in a single alternative.
2218         (*vec_extractv2sf_1): Ditto.
2219         (*vec_extractv2si_0): Ditto.
2220         (*vec_extractv2si_1): Ditto.
2221         * config/i386/sse.md (sse2_storehpd): Ditto.
2222         (sse2_storelpd): Ditto.
2223         (sse2_loadhpd): Ditto.
2224         (sse2_loadlpd): Ditto.
2225
2226         PR target/37197
2227         * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
2228         (popcountsi2): Ditto.
2229         (clzdi2_abm): Ditto.
2230         (popcountdi2): Ditto.
2231         (clzhi2_abm): Ditto.
2232         (popcounthi2): Ditto.
2233
2234 2008-08-22  Richard Guenther  <rguenther@suse.de>
2235
2236         PR middle-end/36548
2237         PR middle-end/37125
2238         * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
2239         if the multiplication does not overflow.
2240
2241 2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>
2242
2243         * c-ppoutput.c (init_pp_output): Initialize src_line to 1.
2244
2245 2008-08-21  Richard Henderson  <rth@redhat.com>
2246
2247         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
2248         spurrious comma from test.
2249         * configure: Rebuild.
2250
2251 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2252
2253         PR 30457
2254         * builtins.c (fold_builtin_next_arg): Add warning about undefined
2255         behaviour.
2256
2257 2008-08-21  Aldy Hernandez  <aldyh@redhat.com>
2258
2259         * c-tree.h (grokfield): New argument.
2260         * c-decl.c (grokfield): Handle new location argument.
2261         * c-parser.c (c_parser_struct_declaration): Pass location to
2262         grokfield.
2263
2264 2008-08-21  Richard Guenther  <rguenther@suse.de>
2265
2266         * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.
2267
2268 2008-08-21  Jan Hubicka  <jh@suse.cz>
2269
2270         * cgraph.c (first_cgraph_function_insertion_hook): New variable.
2271         (cgraph_add_function_insertion_hook,
2272         cgraph_remove_function_insertion_hook,
2273         cgraph_call_function_insertion_hooks): New functions.
2274         * cgraph.h (cgraph_add_function_insertion_hook,
2275         cgraph_remove_function_insertion_hook,
2276         cgraph_call_function_insertion_hooks): Declare.
2277         * ipa-reference.c (function_insertion_hook_holder): New variable.
2278         (check_operand, look_for_address_of): When checking late, do not care
2279         about module bitmaps.
2280         (add_new_function): New function.
2281         (generate_summary): Register hooks; zero module bitmaps.
2282         (propagate): Unregister hooks.
2283         * ipa-pure-const.c (function_insertion_hook_holder): New variable.
2284         (add_new_function): New function.
2285         (generate_summary): Register hook.
2286         (propagate): Remove hook.
2287
2288         * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.
2289
2290         * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
2291         * ipa-cp.c (ipcp_update_cloned_node): New function.
2292         (build_const_val): Handle functions correctly; bring type logic
2293         into sync with tree-inline.c
2294         (ipcp_init_stage):  Take care of computing stuff needed by
2295         indirect inlining; update clones.
2296         (ipcp_generate_summary): Break out of ipcp_driver.
2297         (ipcp_driver): Do only execution and transformation.
2298         (pass_ipa_cp): Make IPA_PASS.
2299         * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
2300         offset to address.
2301         * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
2302         ipcp, some info is already available.
2303         * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
2304         * tree-inline.c (remap_ssa_name): Unshare expression.
2305
2306 2008-08-21  Richard Guenther  <rguenther@suse.de>
2307
2308         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2309         a PHI ask VN if it is already available.
2310         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2311         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2312
2313 2008-08-21  Richard Guenther  <rguenther@suse.de>
2314
2315         PR middle-end/36817
2316         * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
2317         makes sure to produce a result of the correct type.
2318
2319 2008-08-21  Jan Hubicka  <jh@suse.cz>
2320         Backport from LTO branch:
2321
2322         2008-05-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2323                     Jan Hubicka  <jh@suse.cz>
2324
2325         * ipa-pure-const.c
2326         (init_state, finish_state, set_function_state, generate_summary):
2327         New functions.
2328         (scan_stmt): Renamed from scan_function.  Changed to keep state in
2329         local static vars rather than cgraph aux field.
2330         (propagate): Renamed from static_execute. Changed to keep state in
2331         local static vars rather than cgraph aux field.
2332         (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
2333         * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.
2334
2335         2008-07-15  Kenneth Zadeck <zadeck@naturalbridge.com>
2336
2337         * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
2338         * ipa-reference.c (init_function_info, generate_summary,
2339         propagate): New functions.
2340         (analyze_function):  Call init_function_info.
2341         (static_execute): Stripped into generate_summary and propagate.
2342         (pass_ipa_reference): Made into ipa_opt_pass.
2343
2344 2008-08-21  Richard Guenther  <rguenther@suse.de>
2345
2346         PR tree-optimization/37181
2347         * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
2348         folding result.
2349         (extract_range_from_unary_expr): Likewise.
2350
2351 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2352
2353         * diagnostic.c (pedwarn_at): Rename as pedwarn.
2354         (pedwarn): Delete.
2355         * toplev.h (pedwarn_at): Likewise.
2356         * builtins.c: Update all calls to pedwarn.
2357         * c-lex.c: Likewise.
2358         * toplev.c: Likewise.
2359         * c-tree.h: Likewise.
2360         * c-decl.c: Likewise.
2361         * c-errors.c: Likewise.
2362         * c-typeck.c: Likewise.
2363         * c-common.c: Likewise.
2364         * c-parser.c: Likewise.
2365
2366 2008-08-20  Joseph Myers  <joseph@codesourcery.com>
2367
2368         PR target/31070
2369         * config/sparc/sparc.c (function_arg_slotno): Handle structure
2370         with MODE_VECTOR_INT mode.
2371
2372 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2373
2374         PR middle-end/179
2375         * tree-ssa.c (warn_uninit): Do not warn for variables that can be
2376         initialized outside the current module.
2377         (warn_uninitialized_var): Ignore left-hand side when walking the
2378         trees. Ignore address expressions. Examine VUSE operands in gimple
2379         statements with a variable declaration on the right-hand side.
2380
2381 2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>
2382
2383         PR bootstrap/37155
2384         * rtlanal.c (subreg_offset_representable_p): Revert last change.
2385
2386 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2387
2388         PR 35701
2389         * c-common.c (conversion_warning): Do not warn if applying bit-and
2390         operator to unsigned constant that fits in the target type.
2391
2392 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2393
2394         PR c++/35602
2395         * c-common.c (conversion_warning): Do not warn for artificial
2396         expressions.
2397
2398 2008-08-20  Richard Guenther  <rguenther@suse.de>
2399
2400         * tree-vrp.c (op_with_constant_singleton_value_range): New function.
2401         (extract_range_from_binary_expr): Fall back to constant propagation.
2402         (extract_range_from_unary_expr): Likewise.
2403
2404 2008-08-20  Richard Guenther  <rguenther@suse.de>
2405
2406         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
2407         with TREE_THIS_VOLATILE on shared nodes.
2408         (fold_stmt_r): Likewise.
2409
2410 2008-08-20  Jakub Jelinek  <jakub@redhat.com>
2411
2412         PR c/37171
2413         * c-parser.c (c_parser_attributes): For keywords use canonical
2414         spelling for attr_name.
2415
2416 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2417
2418         * value-prof.c (check_counter): Revert wrong call to error.
2419
2420 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2421
2422         * profile.c: Update calls to inform.
2423         * value-prof.c: Update calls to inform.
2424
2425 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2426
2427         * diagnostic.c (inform): Add an explicit location_t parameter.
2428         * toplev.h (inform): Update declaration.
2429         * builtins.c: Update all calls to inform.
2430         * c-common.c: Likewise.
2431         * c-decl.c: Likewise.
2432         * c-opts.c: Likewise.
2433         * c-pch.c: Likewise.
2434         * c-pragma.c: Likewise.
2435         * c-typeck.c: Likewise.
2436         * coverage.c: Likewise.
2437         * opts.c: Likewise.
2438         * toplev.c: Likewise.
2439         * tree-cfg.c: Likewise.
2440         * tree-ssa.c: Likewise.
2441
2442 2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>
2443
2444         PR target/37169
2445         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
2446         V2DI mode, for SSE4.1, use movq instead of vector set if the
2447         second element is zero and inter-unit moves are OK.
2448
2449 2008-08-20  Richard Guenther  <rguenther@suse.de>
2450
2451         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
2452         properly handle conversion/copy chains after tuplification.
2453
2454 2008-08-20  Richard Guenther  <rguenther@suse.de>
2455
2456         * passes.c (init_optimization_passes): Move the second
2457         forwprop pass before alias computation.  Remove the second
2458         DCE pass.  Remove the first dominator and phi copy/const
2459         prop passes.
2460
2461 2008-08-20  Nick Clifton  <nickc@redhat.com>
2462
2463         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
2464         support of this feature.  Do not assume that a sufficiently new
2465         assembler will support the feature regardless of the target type.
2466         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
2467         * configure: Regenerate.
2468
2469 2008-08-20  Richard Guenther  <rguenther@suse.de>
2470
2471         * tree-vrp.c (found_in_subgraph): Remove.
2472         (live): New global static.
2473         (live_on_edge): New function.
2474         (blocks_visited): Remove.
2475         (register_edge_assert_for_2): Use live_on_edge.
2476         (find_conditional_asserts): Remove code dealing with
2477         found_in_subgraph.  Do not walk the CFG.
2478         (find_switch_asserts): Likewise.
2479         (find_assert_locations_1): Renamed from find_assert_locations.
2480         Move finding assert locations for conditional and switch
2481         statements first.  Update live bitmap.  Do not walk the CFG.
2482         (find_assert_locations): New function.
2483         (insert_range_assertions): Remove entry of CFG walk.
2484         Adjust call to find_assert_locations.
2485         * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
2486         that only can appear because of fake exit edges but assert we
2487         never try to insert on those.
2488         (fini_pre): Do not remove fake exit edges here...
2489         (execute_pre): ...but here, before committing edge inserts.
2490
2491 2008-08-19  Richard Guenther  <rguenther@suse.de>
2492
2493         * passes.c (init_optimization_passes): Exchange store-ccp
2494         with a ccp pass.
2495
2496 2008-08-19  Rafael Espindola  <espindola@google.com>
2497
2498         * varasm.c (weak_decls): Move earlier in the file.
2499         (assemble_external): Add weak decls to the weak_decls list.
2500         (declare_weak): Don't add decls to the weak_decls list.
2501
2502 2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>
2503
2504         PR target/37157
2505         * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
2506         before (sse2_shufpd_<mode>).
2507
2508 2008-08-19  Jakub Jelinek  <jakub@redhat.com>
2509
2510         PR debug/37156
2511         * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
2512         * tree.c (block_nonartificial_location): Likewise.
2513
2514 2008-08-19  Richard Guenther  <rguenther@suse.de>
2515
2516         PR tree-optimization/35972
2517         PR tree-optimization/23094
2518         * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
2519         parameter.
2520         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
2521         handle MISALIGNED_INDIRECT_REF.
2522         (get_ref_from_reference_ops): New helper.
2523         (vn_reference_lookup_pieces): Walk the use-def chain using the
2524         alias-oracle if requested.
2525         * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
2526         walking the use-def chain.
2527         (compute_avail): But not here.
2528         (create_component_ref_by_pieces_1): Properly handle
2529         MISALIGNED_INDIRECT_REF.
2530         (do_regular_insertion): Handle fully redundant
2531         expressions after PHI-translation also for SSA_NAME values, not
2532         only constants.  Correctly use edoubleprime for that.
2533
2534 2008-08-19  Ira Rosen  <irar@il.ibm.com>
2535
2536         * tree-vectorizer.c (supportable_widening_operation): Support
2537         multi-step conversion, return the number of steps in such conversion
2538         and the required intermediate types.
2539         (supportable_narrowing_operation): Likewise.
2540         * tree-vectorizer.h (vect_pow2): New function.
2541         (supportable_widening_operation): Change argument types.
2542         (supportable_narrowing_operation): Likewise.
2543         (vectorizable_type_promotion): Add an argument.
2544         (vectorizable_type_demotion): Likewise.
2545         * tree-vect-analyze.c (vect_analyze_operations): Call
2546         vectorizable_type_promotion and vectorizable_type_demotion with
2547         additional argument.
2548         (vect_get_and_check_slp_defs): Detect patterns.
2549         (vect_build_slp_tree): Add an argument, don't fail in case of multiple
2550         types.
2551         (vect_analyze_slp_instance): Don't fail in case of multiple types. Call
2552         vect_build_slp_tree with correct arguments. Calculate unrolling factor
2553         according to the smallest type in the loop.
2554         (vect_detect_hybrid_slp_stmts): Include statements from patterns.
2555         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
2556         supportable_widening_operation with correct arguments.
2557         * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
2558         operands lists according to the number of vector statements in left
2559         or right node, if exists.
2560         (vect_gen_widened_results_half): Remove unused argument.
2561         (vectorizable_conversion): Call supportable_widening_operation,
2562         supportable_narrowing_operation, and vect_gen_widened_results_half
2563         with correct arguments.
2564         (vectorizable_assignment): Change documentation, support multiple
2565         types in SLP.
2566         (vectorizable_operation): Likewise.
2567         (vect_get_loop_based_defs): New function.
2568         (vect_create_vectorized_demotion_stmts): Likewise.
2569         (vectorizable_type_demotion): Support loop-aware SLP and general
2570         multi-step conversion. Call vect_get_loop_based_defs and
2571         vect_create_vectorized_demotion_stmts for transformation.
2572         (vect_create_vectorized_promotion_stmts): New function.
2573         (vectorizable_type_promotion): Support loop-aware SLP and general
2574         multi-step conversion. Call vect_create_vectorized_promotion_stmts
2575         for transformation.
2576         (vectorizable_store): Change documentation, support multiple
2577         types in SLP.
2578         (vectorizable_load): Likewise.
2579         (vect_transform_stmt): Pass SLP_NODE to
2580         vectorizable_type_promotion and vectorizable_type_demotion.
2581         (vect_schedule_slp_instance): Move here the calculation of number
2582         of vectorized statements for each node from...
2583         (vect_schedule_slp): ... here.
2584         (vect_transform_loop): Call vect_schedule_slp without the last
2585         argument.
2586
2587 2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>
2588
2589         PR bootstrap/37152
2590         * tree-vect-transform.c (vect_create_epilog_for_reduction): Change =
2591         to == in assert statement.
2592         (vectorizable_reduction): Fix typo.
2593
2594 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2595
2596         PR bootstrap/37153
2597         * value-prof.c (check_counter): Dereference pointer to overall
2598         count when printing it.
2599
2600 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2601
2602         * profile.h: Really add it.
2603
2604 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2605
2606         * mcf.c: Really add it.
2607
2608 2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
2609             Vinodha Ramasamy  <vinodha@google.com>
2610
2611         * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
2612         count_scale.
2613         * value-prof.c (check_counter): Fix the counter if
2614         flag_profile_correction is true.
2615         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2616         tree_mod_subtract_transform):
2617         Follow check_counter parameter change.
2618         * common.opt (fprofile-correction): New option.
2619         * mcf.c: New file.
2620         * profile.h: Likewise.
2621         * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
2622         (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
2623         is_inconsistent, set_bb_counts, read_profile_edge_counts): New
2624         functions.
2625         (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
2626         flag_profile_correction is set.
2627
2628 2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>
2629
2630         * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.
2631
2632 2008-08-18  Tomas Bily  <tbily@suse.cz>
2633
2634         * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
2635         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
2636         CONVERT_EXPR_P.
2637         * tree-data-ref.c (split_constant_offset_1): Likewise.
2638         * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
2639         * tree-sra.c (sra_walk_expr): Likewise.
2640         * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
2641         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
2642         * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
2643         * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
2644         Likewise.
2645         * gimple.c (gimple_assign_unary_nop_p): Likewise.
2646         * tree-vect-transform.c (vectorizable_type_demotion)
2647         (vectorizable_type_promotion): Likewise.
2648         * tree-inline.c (expand_call_inline):
2649         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
2650         (forward_propagate_addr_expr_1, forward_propagate_comparison)
2651         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2652         * expr.c (expand_expr_real_1): Likewise.
2653         * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
2654         (gimple_assign_unary_useless_conversion_p): Likewise.
2655         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2656         * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
2657         * fold-const.c (fold_unary): Likewise.
2658         * tree.h (CONVERT_EXPR_P): Likewise.
2659         * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
2660         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
2661         * tree-vrp.c:
2662         (register_edge_assert_for_2, extract_range_from_unary_expr)
2663         (register_edge_assert_for_1): Likewise.
2664
2665 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2666
2667         * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
2668         dconst_third_ptr, dconst_sqrt2_ptr): Declare.
2669         (enum real_value_const): Delete.
2670         (get_real_const): Delete.
2671         * real.c (get_real_const): Delete.
2672         (dconst_e_ptr): Define.
2673         (dconst_third_ptr): Define.
2674         (dconst_sqrt2_ptr): Define.
2675         * builtins.c: Update all callers.
2676
2677 2008-08-18  Richard Guenther  <rguenther@suse.de>
2678
2679         * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
2680         statement iterator after statement removal.
2681
2682 2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>
2683
2684         * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
2685         (detect_processor_freebsd): Likewise.
2686         (host_detect_local_cpu): Call newly added functions for FreeBSD.
2687
2688 2008-08-18  Richard Guenther  <rguenther@suse.de>
2689
2690         * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
2691         and loads have the correct types.
2692
2693 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2694
2695         PR cpp/7263
2696         * c-opts.c (cpp_opts): Remove static.
2697         * c-parser.c (cpp_opts): Declare it extern.
2698         (disable_extension_diagnostics): Handle cpp options.
2699         (enable_extension_diagnostics): Likewise.
2700
2701 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2702
2703         * diagnostics.c (permerror_at): Rename as permerror.
2704         (permerror): Delete.
2705         * toplev.h: Likewise.
2706
2707 2008-08-18  Richard Guenther  <rguenther@suse.de>
2708
2709         * passes.c (init_optimization_passes): Remove cleanup_cfg1,
2710         sdse1 and addressables2 passes.  Replace dce1 with cddce1.
2711         Move call_cdce before build_alias.  Move copyrename2,
2712         cunrolli and ccp2 beafore build_alias.  Re-add addressable2
2713         right after final inlining.
2714         * tree-cfg.c (build_gimple_cfg): Do not dump function here.
2715         (pass_build_cfg): But instead via TODO_dump_func.
2716
2717 2008-08-18  Richard Guenther  <rguenther@suse.de>
2718
2719         * tree-sra.c (generate_element_init_1): Deal with NULL constructor
2720         element index.
2721         (scalarize_init): If we failed to generate some initializers
2722         do not generate zeros for not instantiated members.  Instead
2723         rely on the copy out.
2724         * tree-ssa-operands.c (get_addr_dereference_operands): Warn
2725         about missing flow-sensitive alias info only if we have
2726         aliases computed.
2727
2728 2008-08-17  Nick Clifton  <nickc@redhat.com>
2729
2730         * doc/extend.texi (Function Attributes): Fix typo in description
2731         if hot function attribute.
2732
2733 2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
2734             Richard Sandiford  <rdsandiford@googlemail.com>
2735
2736         * doc/install.texi (--with-mips-plt): Document.
2737         * doc/invoke.texi (-mplt, -mno-plt): Document.
2738         * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
2739         and handle ${with_mips_plt}.
2740         * config/mips/mips.opt (mplt): New option.
2741         * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
2742         (TARGET_ABICALLS_PIC2): Likewise.
2743         (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
2744         (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
2745         (ASM_SPEC): Use !mabi=* instead of !mabi*.
2746         (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
2747         to decide whether to output ".option picX" directives.
2748         * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
2749         Pass -call_nonpic rather than -KPIC for -mplt.
2750         (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
2751         on the command line.  Also remove it when -mabi=64 is used without
2752         -msym32.
2753         * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
2754         * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
2755         TARGET_ABICALLS_PIC0.
2756         (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
2757         TARGET_ABICALLS.
2758         (mips16_build_function_stub): Only output ".option pic" directives
2759         and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
2760         (mips16_build_call_stub): Fix comment and remove redundant
2761         ".set at"/"set .noat" directives.
2762         (mips_function_rodata_section): Use the default behaviour for
2763         TARGET_ABSOLUTE_ABICALLS.
2764         (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
2765         (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
2766         (mips_restore_gp): Do nothing if the current function doesn't use
2767         a global pointer.
2768         (mips_expand_prologue): Only save $gp if the current function uses it.
2769         Use a normal move for TARGET_ABICALLS_PIC0.
2770         (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
2771
2772 2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>
2773
2774         * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
2775         of function when handling GLOBAL_POINTER_REGNUM.
2776
2777 2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>
2778
2779         PR ada/20548
2780         * common.opt (-fstack-check): Do not declare the variable here.
2781         (-fstack-check=): New option variant.
2782         * doc/invoke.texi (Code Gen Options): Document it.
2783         * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
2784         (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
2785         (STACK_CHECK_STATIC_BUILTIN): New macro.
2786         * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
2787         * opts.c: Include expr.h.
2788         (common_handle_option) <OPT_fold_stack_check_>: New case.
2789         <OPT_fstack_check>: Likewise.
2790         * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
2791         consistently in the test for variable-sized types.  Adjust for
2792         new behaviour of flag_stack_check.
2793         * explow.c: Include except.h.
2794         (allocate_dynamic_stack_space): Do not take into account
2795         STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
2796         * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
2797         for variable-sized parameters.  Treat all parameters whose size is
2798         greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
2799         stack checking is enabled.
2800         * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
2801         size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
2802         if generic stack checking is enabled.
2803         (expand_function_end): Adjust for new behaviour of flag_stack_check.
2804         * reload1.c (reload): Likewise.
2805         * stmt.c (expand_decl): Assert that all automatic variables have
2806         fixed size at this point and remove dead code.
2807         * flags.h (stack_check_type): New enumeration type.
2808         (flag_stack_check): Declare.
2809         * toplev.c (flag_stack_check): New global variable.
2810         * Makefile.in (opts.o): Add dependency on EXPR_H.
2811         (explow.o): Add dependency on except.h.
2812
2813 2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>
2814
2815         * config/avr/avr.c (avr_override_options): Reduce value of
2816         PARAM_INLINE_CALL_COST.
2817
2818 2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>
2819
2820         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
2821         to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
2822         lieu of TYPE_MODE (type) throughout.
2823
2824 2008-08-15  Joseph Myers  <joseph@codesourcery.com>
2825
2826         * config/arm/arm.c (add_minipool_backward_ref): Check for
2827         8-byte-aligned entries in second case of forcing insertion after a
2828         particular entry.  Change third case to avoid inserting
2829         non-8-byte-aligned entries before 8-byte-aligned ones.
2830
2831 2008-08-15  Richard Guenther  <rguenther@suse.de>
2832
2833         * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
2834         strip components for unknown size accesses.
2835
2836 2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
2837
2838         * config/s390/2097.md New file.
2839         * config/s390/s390.md ("z10prop" attribute): Define none,
2840         z10_super, z10_super_E1, z10_super_A1, z10_super_c,
2841         z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
2842         z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
2843         possible values and apply them to insns as appropriate.
2844         ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
2845         ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
2846         fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
2847         fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
2848         values.
2849         ("bfp" mode attribute): Removed.  Every occurence replaced
2850         with <mode>.
2851         * config/s390/s390.c (struct "z10_cost"): Updated entries.
2852         * config/s390/2084.md (insn_reservation "x_itof"): Updated
2853           type attribute.
2854
2855 2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2856
2857         PR c/28152
2858         * c-parser.c (c_lex_one_token): Do not store the canonical spelling
2859         for keywords.
2860
2861 2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
2862
2863         * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
2864         additional argument. Support reduction when duplication is needed due
2865         to data-types of different sizes in the loop.
2866         (get_initial_def_for_induction): Fix printout.
2867         (vect_get_vec_def_for_stmt_copy): Support case where the
2868         vec_stmt_for_operand is a phi node.
2869         (vectorizable_reduction): Support reduction when duplication is needed
2870         due to data-types of different sizes in the loop.
2871         (vectorizable_call): Remove restriction to not vectorize in case we
2872         have data-types of different sizes in the loop.
2873         (vectorizable_conversion): Likewise.
2874         (vectorizable_operation): Likewise.
2875         (vectorizable_type_demotion): Likewise.
2876         (vectorizable_type_promotion): Likewise.
2877         (vectorizable_induction): Add restriction to not vectorize in case
2878         we have data-types of different sizes in the loop.
2879
2880 2008-08-14  Christophe Saout  <christophe@saout.de>
2881             Uros Bizjak  <ubizjak@gmail.com>
2882
2883         PR target/37101
2884         * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
2885         (*vec_concatv2di_rex64_sse4_1): Ditto.
2886         (*vec_concatv2di_rex64_sse): Ditto.
2887
2888 2008-08-14  Jakub Jelinek  <jakub@redhat.com>
2889
2890         PR middle-end/37103
2891         * fold-const.c (fold_widened_comparison): Do not allow
2892         sign changes that change the result even if shorter type
2893         is wider than arg1_unw's type.
2894
2895 2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
2896
2897         * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
2898         Skip if the multilib testing specifies -march that does not
2899         agree with the one specified in the testcase.
2900
2901 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2902
2903         * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
2904         zero extend SImode values being converted to TFmode before passing
2905         to libcalls.
2906
2907 2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2908
2909         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
2910         __PPU__ when targeting the Cell/B.E. PPU processor.
2911
2912 2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
2913
2914         * gimple.h (gimple_call_set_chain): Accept SSA variables.
2915         * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
2916         Rematerialize the static chain, if any.
2917         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
2918         static chain.
2919
2920 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2921
2922         * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
2923         (new_loc_descr): Likewise.
2924         (add_loc_descr): Likewise.
2925         (size_of_loc_descr): Likewise.
2926         (size_of_locs): Likewise.
2927         (output_loc_operands): Likewise.
2928         (output_loc_sequence): Likewise.
2929         (new_reg_loc_descr): New.
2930         (build_cfa_loc): Use it.
2931         (build_cfa_aligned_loc): Likewise.
2932         (one_reg_loc_descriptor): Likewise.
2933         (based_loc_descr): Likewise.
2934
2935 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2936
2937         PR 30551
2938         * doc/invoke.texi (Wmain): Update.
2939         * c-decl.c (start_decl): warn_main is only 0 or 1.
2940         (start_function): Likewise. Fix formatting.
2941         (finish_function): Delete redundant warning.
2942         * c.opt (Wmain): Add Var(warn_main) and Init(-1).
2943         * c-opts (c_common_handle_option): -Wall only has effect if
2944         warn_main is uninitialized. OPT_Wmain is automatically
2945         handled. -pedantic also enables Wmain.
2946         (c_common_post_options): Handle all logic for Wmain here.
2947         * c-common.c (warn_main): Delete.
2948         (check_main_parameter_types): Make pedwarns conditional on
2949         OPT_Wmain.
2950         * c-common.h (warn_main): Delete.
2951
2952 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2953
2954         PR middle-end/36701
2955         * expr.c (emit_group_store): Allocate stack temp with the
2956         largest alignment when copying from register to stack.
2957
2958 2008-08-13  Richard Guenther  <rguenther@suse.de>
2959
2960         * tree.h (maybe_fold_offset_to_address): Declare.
2961         * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
2962         (ccp_fold): Handle pointer conversions the same as fold_stmt.
2963         Likewise for POINTER_PLUS_EXPR.
2964         (maybe_fold_offset_to_reference): Enable disabled code.
2965         (maybe_fold_offset_to_address): New function.
2966         (fold_stmt_r): Use it.
2967         (fold_gimple_assign): Likewise.
2968         * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
2969         (gimplify_expr): Likewise.
2970
2971 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2972
2973         * toplev.h (pedwarn_at): Fix declaration.
2974
2975 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2976
2977         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2978         LINK_SPEC): Use %R in -Y P argument.
2979
2980 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2981
2982         PR c/15236
2983         * diagnostic.c (pedwarn_at): New.
2984         * toplev.h (pedwarn_at): Declare.
2985         * c-tree.h (build_enumerator): Update declaration.
2986         * c-decl.c (finish_enum): Update comment.
2987         (build_enumerator): Take a location parameter. Give a pedwarn but do
2988         not perform any conversion.
2989         * c-parser.c (c_parser_enum_specifier): Set correct location for
2990         enumerator.
2991
2992 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2993
2994         PR 35635
2995         * c-common.c (conversion_warning): Use a switch. Ignore boolean
2996         expressions except for conversions to signed:1 bitfields. Handle
2997         COND_EXPR with constant operands.
2998
2999 2008-08-13  Richard Guenther  <rguenther@suse.de>
3000
3001         PR tree-optimization/15255
3002         * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
3003         (struct oecount_s): New struct and VEC types.
3004         (cvec): New global.
3005         (oecount_hash): New function.
3006         (oecount_eq): Likewise.
3007         (oecount_cmp): Likewise.
3008         (zero_one_operation): New function.
3009         (build_and_add_sum): Likewise.
3010         (undistribute_ops_list): Perform un-distribution of multiplication
3011         and division on the chain of summands.
3012         (should_break_up_subtract): Also break up subtracts for factors.
3013         (reassociate_bb): Delete dead visited statements.
3014         Call undistribute_ops_list.  Re-sort and optimize if it did something.
3015         * passes.c (init_optimization_passes): Move DSE before
3016         reassociation.
3017         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
3018         PHI nodes.
3019
3020 2008-08-12  Janis Johnson  <janis187@us.ibm.com>
3021
3022         * doc/invoke.texi (-fipa-pta): Say the option is experimental.
3023
3024         * doc/invoke.texi: Revert unintended checkin.
3025
3026 2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
3027
3028         PR libgomp/26165
3029         * gcc.c (include_spec_function): Tweak call to find_a_file.
3030
3031 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
3032
3033         PR middle-end/37014
3034         * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
3035         and TRUTH_ORIF_EXPR.
3036         * dojump.c (do_jump): Likewise.
3037
3038         PR tree-optimization/37084
3039         * tree-inline.c (copy_bb): Call gimple_regimplify_operands
3040         if id->regimplify, don't assume stmt is a cast assignment.
3041
3042 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
3043
3044         * final.c (final_scan_insn): Use app_enable/app_disable functions.
3045
3046 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3047
3048         PR bootstrap/37097
3049         * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
3050         by last change.
3051
3052 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3053
3054         * defaults.h (TARGET_FLOAT_FORMAT): Remove.
3055         (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
3056
3057         * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
3058         * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
3059         * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
3060         * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
3061         * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
3062
3063         * doc/tm.texi (Storage Layout): Remove documentation for
3064         TARGET_FLOAT_FORMAT.
3065
3066         * simplify-rtx.c (simplify_binary_operation_1): Replace
3067         TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
3068
3069 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3070
3071         * real.h (struct real_format): New member has_sign_dependent_rounding.
3072         * real.c (ieee_single_format, mips_single_format, motorola_single_format,
3073         spu_single_format, ieee_double_format, mips_double_format,
3074         motorola_double_format, ieee_extended_motorola_format,
3075         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
3076         ieee_extended_intel_96_round_53_format, ibm_extended_format,
3077         mips_extended_format, ieee_quad_format, mips_quad_format,
3078         vax_f_format, vax_d_format, vax_g_format): Initialize it.
3079         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
3080
3081         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
3082         MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
3083         * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
3084         MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
3085         (ROUND_TOWARDS_ZERO): Likewise.
3086
3087         * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
3088         (FLOAT_MODE_FORMAT): New macro.
3089         (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
3090         (MODE_COMPOSITE_P): ... this new macro.
3091         (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
3092         MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
3093         * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
3094
3095         * flags.h: Include "real.h".
3096
3097         * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
3098         REAL_MODE_FORMAT_COMPOSITE_P.
3099         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3100
3101         * doc/tm.texi (Storage Layout): Remove documentation of
3102         MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
3103         MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
3104         ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
3105         they only apply to libgcc2.a.
3106
3107 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3108
3109         * config/spu/float_disf.c: New file.
3110         * config/spu/float_unsdisf.c: New file.
3111         * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
3112         (LIB2FUNCS_EXCLUDE): Define.
3113
3114 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3115             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3116
3117         * real.h (struct real_format): New member round_towards_zero.
3118         * real.c (round_for_format): Respect fmt->round_towards_zero.
3119         (ieee_single_format, mips_single_format, motorola_single_format,
3120         spu_single_format, ieee_double_format, mips_double_format,
3121         motorola_double_format, ieee_extended_motorola_format,
3122         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
3123         ieee_extended_intel_96_round_53_format, ibm_extended_format,
3124         mips_extended_format, ieee_quad_format, mips_quad_format,
3125         vax_f_format, vax_d_format, vax_g_format): Initialize it.
3126         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
3127
3128         * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
3129         real_format to choose rounding mode when calling MPFR functions.
3130         (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
3131         (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
3132
3133         * real.h (real_to_decimal_for_mode): Add prototype.
3134         * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
3135         Respect target rounding mode when generating decimal representation.
3136         (real_to_decimal): New stub for backwards compatibility.
3137         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
3138         real_to_decimal_for_mode instead of real_to_decimal.
3139
3140         * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
3141
3142 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3143             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3144
3145         * real.c (spu_single_format): New variable.
3146         * real.h (spu_single_format): Declare.
3147
3148         * config/spu/spu.c (spu_override_options): Install SFmode format.
3149         (spu_split_immediate): Use integer mode to operate on pieces of
3150         floating-point values in all cases.
3151
3152         * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
3153         ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
3154         ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
3155
3156 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3157
3158         * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
3159
3160 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3161
3162         * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
3163
3164 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
3165
3166         PR c++/36688
3167         * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
3168         on the VAR_DECL instead of TYPE_READONLY on its type.
3169
3170 2008-08-12  Ira Rosen  <irar@il.ibm.com>
3171
3172         * tree-vectorizer.c: Depend on langhooks.h.
3173         (supportable_widening_operation): Add two arguments. Support double
3174         type conversions.
3175         (supportable_narrowing_operation): Likewise.
3176         * tree-vectorizer.h (supportable_widening_operation): Add two
3177         arguments.
3178         (supportable_narrowing_operation): Likewise.
3179         * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
3180         supportable_widening_operation with correct arguments.
3181         * tree-vect-transform.c (vectorizable_conversion): Likewise.
3182         (vectorizable_type_demotion): Support double type conversions.
3183         (vectorizable_type_promotion): Likewise.
3184         * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
3185
3186 2008-08-11  Michael Matz  <matz@suse.de>
3187
3188         * i386/i386.c (override_options): Move initialisation from
3189         flag_schedule_insns_after_reload to here from ...
3190         (optimization_options): ... here.
3191
3192 2008-08-11  Jakub Jelinek  <jakub@redhat.com>
3193
3194         PR rtl-optimization/36998
3195         * dwarf2out.c (compute_barrier_args_size_1,
3196         compute_barrier_args_size): Temporarily remove assertions.
3197
3198 2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3199
3200         PR middle-end/20644
3201         * tree-ssa.c (struct walk_data): Add new flag
3202         warn_possibly_uninitialized.
3203         (warn_uninitialized_var): Use it.
3204         (warn_uninitialized_vars): New.
3205         (execute_early_warn_uninitialized): Call it.
3206         (execute_late_warn_uninitialized): Likewise.
3207
3208 2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3209
3210         PR middle-end/36238
3211         * reload1.c (gen_reload): Guard calls to get_secondary_mem
3212         for memory subregs.
3213
3214 2008-08-09  Jan Hubicka  <jh@suse.cz>
3215
3216         PR target/37055
3217         * optabs.c (maybe_emit_unop_insn): Remove produced code if
3218         expansion failed.
3219         (expand_fix): Be prepared for expansion to fail.
3220         (expand_sfix_optab): Remove instructions if expansion failed.
3221
3222 2008-08-09  Anatoly Sokolov  <aesok@post.ru>
3223
3224         * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
3225         avr31 architecture.
3226         * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
3227         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3228
3229 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3230
3231         * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
3232         mips/t-libgcc-mips16 to tmake_file.
3233         * config/mips/mips-protos.h (mips_call_type): New enum.
3234         (mips_pic_base_register, mips_got_load): Declare.
3235         (mips_restore_gp): Take an rtx argument.
3236         (mips_use_pic_fn_addr_reg_p): Declare.
3237         (mips_expand_call): Replace the sibcall_p argument with
3238         a mips_call_type argument.  Add a lazy_p parameter.
3239         (mips_split_call): Declare.
3240         * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
3241         (MIPS16_PIC_TEMP): Likewise.
3242         (reg_class): Delete M16_NA_REGS.
3243         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
3244         (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
3245         (mips_split_hi_p): Declare.
3246         * config/mips/mips.c (mips_split_hi_p): New array.
3247         (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
3248         (mips_got_symbol_type_p): New function.
3249         (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
3250         (mips16_stub_function_p): New function.
3251         (mips16_local_function_p): Likewise.
3252         (mips_use_pic_fn_addr_reg_p): Likewise.
3253         (mips_cannot_force_const_mem): Return false for HIGHs.
3254         Extend CONST_INT and symbolic handling to MIPS16, using
3255         mips_symbol_insns to check that the base symbol type is a
3256         legitimate constant.  Reject GOT-based constants if
3257         TARGET_MIPS16_PCREL_LOADS.
3258         (mips_const_insns): Check targetm.cannot_force_const_mem when
3259         decomposing a symbolic base and a large offset.
3260         (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
3261         When calling a function that needs $25 from MIPS16 code,
3262         move the target address into $25 separately and add a USE
3263         to the call insn.
3264         (mips16_gp_pseudo_reg): Insert the initializer immediately
3265         before the first real insn.
3266         (mips_pic_base_register, mips_got_load): New functions.
3267         (mips_split_symbol): Generalize the name of the LO_SUM_OUT
3268         parameter to LOW_OUT.  Say that it can be any valid SET_SRC
3269         when splitting a load-address operation.  Split SYMBOL_GOT_DISP
3270         constants and highs of SYMBOL_GOT_PAGE_OFST constants.
3271         (mips_call_tls_get_addr): Update the call to mips_expand_call,
3272         also passing NULL_RTX rather than const0_rtx as the aux argument.
3273         (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
3274         instead of TARGET_EXPLICIT_RELOCS.
3275         (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
3276         (mips_load_call_address): Replace the sibcall_p argument with
3277         a mips_call_type argument.  Use mips_got_load.
3278         (mips16_local_alias): New structure.
3279         (mips16_local_aliases): New variable.
3280         (mips16_local_aliases_hash): New function.
3281         (mips16_local_aliases_eq): Likewise.
3282         (mips16_local_alias): Likewise.
3283         (mips16_stub_function): Likewise.
3284         (mips16_build_function_stub): Create a local alias for the target
3285         function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
3286         .cpload directive and an R_MIPS_NONE relocation for the target
3287         function, then load the alias rather than the function itself.
3288         Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
3289         (mips16_copy_fpr_return_value): Use mips16_stub_function and
3290         mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
3291         (mips16_build_call_stub): Replace the FN parameter with an
3292         FN_PTR parameter.  Force the address into a register if it
3293         isn't a call_insn_operand; don't rely on the caller to do this.
3294         If a call to a locally-defined and locally-binding MIPS16
3295         function must be made indirectly, redirect the call to the
3296         function's local alias.  Use mips16_stub_function_p,
3297         mips16_stub_function, mips_expand_call and use_reg.
3298         Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
3299         Use explicit %hi and %lo accesses where possible.
3300         Use MIPS_CALL to generate the correct code form of a
3301         jal instruction.  Add clobbers of $18 instead of uses.
3302         Update the call to mips_emit_call_insn.
3303         (mips_expand_call): Replace the SIBCALL_P argument with a
3304         mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
3305         Take a LAZY_P parameter.  Call mips16_build_call_stub first,
3306         allowing it to modify the call address.  Update the calls to
3307         mips_load_call_address and mips_emit_call_insn.
3308         (mips_split_call): New function.
3309         (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
3310         !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
3311         SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
3312         (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
3313         (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
3314         if TARGET_MIPS16.
3315         (mips_cprestore_slot): New function.
3316         (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
3317         and use mips_cprestore_slot.
3318         (mips_output_function_prologue): Handle TARGET_MIPS16 for
3319         LOADGP_OLDABI.
3320         (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
3321         then use a copygp_mips16 instruction to set up $28.
3322         (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
3323         (mips16_lay_out_constants): Call split_all_insns_noflow.
3324         (mips_reorg_process_insns): Explicitly set all_noreorder_p to
3325         false if TARGET_MIPS16.
3326         (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
3327         (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
3328         mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
3329         (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
3330         MIPS16 code.  Allow MIPS16 o32 PIC.
3331         (mips_override_options): Allow MIPS16 o32 PIC.
3332         * config/mips/mips.md: Lower CONST_GP_P moves into register moves
3333         after reload if TARGET_USE_GOT.
3334         (UNSPEC_COPYGP): New constant.
3335         (length): Use a default length of 8 for MIPS16 GOT loads.
3336         (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
3337         (*got_page<mode>): Check mips_split_hi_p.
3338         (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
3339         (unspec_got<mode>, unspec_call<mode>): New expanders.
3340         (load_got<mode>, load_call<mode>): Remove the length attributes.
3341         Use a got attribute instead of a type attribute.
3342         (copygp_mips16): New insn.
3343         (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
3344         (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
3345         (sibcall, sibcall_value, call, call_value): Update the calls
3346         to mips_expand_call.
3347         (call_internal, call_value_internal): Use mips_split_call.
3348         (call_value_multiple_internal): Likewise.
3349         (call_split): Move after call_internal (the insn it is split from).
3350         (call_internal_direct, call_value_internal_direct): Turn into
3351         define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
3352         (call_direct_split, call_value_direct_split): New patterns.
3353         * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
3354         and use M16_REGS instead of M16_NA_REGS.
3355         * config/mips/predicates.md (const_call_insn_operand): Replace
3356         the TARGET_ABSOLUTE_ABICALLS-based check with a more general
3357         mips_use_pic_fn_addr_reg_p check.
3358         (move_operand): Reject HIGHs if mips_split_hi_p.
3359         * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
3360         (__mips16_floatunsisf): Inline __mips16_floatsisf.
3361         (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
3362         * config/mips/libgcc-mips16.ver: New file.
3363         * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
3364         $(srcdir)/config/mips/libgcc-mips16.ver.
3365
3366 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3367
3368         * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
3369         (mips_unspec_address, mips_unspec_offset_high): Likewise.
3370         (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
3371         (mips16_cfun_returns_in_fpr_p): Likewise.
3372
3373 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3374
3375         * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
3376         * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
3377         rather than 4 to PC.
3378
3379 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3380
3381         * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
3382         (FUNCTION_PROFILER): Save the static chain pointer into $2
3383         beforehand and restore it aftewards.
3384         (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
3385         address directly into $25 and call the function through $25;
3386         do not clobber $3.  Pad the DImode version to cover the space
3387         left by the deleted $25 <- $3 move.
3388         (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
3389         the removal of the $25 <- $3 move.
3390         (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
3391         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
3392
3393 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
3394             Daniel Jacobowitz  <dan@codesourcery.com>
3395
3396         * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
3397         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
3398         (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
3399         * config/mips/mips.c (mips_start_function_definition): New function.
3400         (mips_end_function_definition): Likewise.
3401         (mips_output_function_prologue): Use mips_start_function_definition.
3402         (mips_output_function_epilogue): Use mips_end_function_definition.
3403         (build_mips16_function_stub): Use mips_start_function_definition
3404         and mips_end_function_definition.
3405         (build_mips16_call_stub): Likewise.
3406
3407 2008-08-09  Richard Guenther  <rguenther@suse.de>
3408
3409         * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
3410         * gimple.h (gimple_call_fn): Adjust comment.
3411         (gimple_call_set_fndecl): New function.
3412         (gimple_call_fndecl): Adjust for GIMPLE_CALL no
3413         longer having bare FUNCTION_DECL operand.
3414         (gimple_call_return_type): Likewise.
3415         * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
3416
3417         * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
3418         (gimple_mod_pow2): Likewise.
3419         (gimple_mod_subtract): Likewise.
3420         (gimple_ic): Likewise.
3421         (gimple_stringop_fixed_value): Likewise.
3422         (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
3423         longer having bare FUNCTION_DECL operand.
3424         * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
3425         * omp-low.c (optimize_omp_library_calls): Likewise.
3426         * cgraphunit.c (update_call_expr): Likewise.
3427         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
3428         (execute_convert_to_rsqrt): Likewise.
3429         * cfgexpand.c (gimple_to_tree): Simplify.
3430         (release_stmt_tree): Fix for GIMPLE_CALL no longer having
3431         bare FUNCTION_DECL operand.
3432         * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
3433         (convert_gimple_call): Use gimple_call_fndecl.
3434         * c-common.c (c_warn_unused_result): Likewise.
3435
3436 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3437
3438         PR c/17880
3439         * c-typeck.c (digest_init): Call verify_sequence_points from here.
3440         (c_finish_return): Likewise.
3441         (c_start_case): Likewise.
3442         * c-common.c (warn_for_collisions_1): Use explicit location in
3443         warning.
3444         * c-parser.c (c_parser_condition): New. Call
3445         verify_sequence_points.
3446         (c_parser_paren_condition): Call c_parser_condition.
3447         (c_parser_for_statement): Call c_parser_condition.
3448
3449 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3450
3451         PR 36901
3452         * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.
3453         * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
3454         Moved from diagnostic.h
3455         (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
3456         DK_PERMERROR.
3457         (emit_diagnostic): New.
3458         (warning0, pedwarn0): Delete.
3459         (warning, warning_at, pedwarn, permerror): Return bool.
3460         * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
3461         Moved to diagnostic.c.
3462         (struct diagnostic_context): Use correct type for
3463         classify_diagnostic.
3464         (diagnostic_report_diagnostic): Update declaration.
3465         (emit_diagnostic): Declare.
3466         * errors.c (warning): Return bool.
3467         * errors.h (warning): Update declaration.
3468         * toplev.h (warning0, pedwarn0): Delete.
3469         (warning, warning_at, pedwarn, permerror): Return bool.
3470         * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
3471         * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
3472         inform. Update all calls.
3473         (diagnose_mismatched_decls): Check return value of warning/pedwarn
3474         before giving informative note.
3475         (implicit_decl_warning): Likewise.
3476         * c-typeck.c (build_function_call): Likewise.
3477         * tree-sssa.c (warn_uninit): Likewise.
3478         * builtins.c (gimplify_va_arg_expr): Likewise.
3479
3480 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3481
3482         PR 7651
3483         * doc/invoke.texi (-Wextra): Move warning from here...
3484         (-Wuninitialized): ... to here.
3485
3486 2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3487
3488         PR 28875
3489         * flags.h (set_Wunused): Delete
3490         * toplev.c (process_options): Handle Wunused flags here.
3491         * opts.c (maybe_warn_unused_parameter): Delete.
3492         (common_handle_option): Replace set_Wunused by warn_unused.
3493         (set_Wextra): Do not handle Wunused-parameter here.
3494         (set_Wunused): Delete.
3495         * c-opts.c (c_common_handle_option): Replace set_Wunused by
3496         warn_unused.
3497         * common.opt (Wunused): Add Var and Init.
3498         (Wunused-function): Likewise.
3499         (Wunused-label): Likewise.
3500         (Wunused-parameter): Likewise.
3501         (Wunused-value): Likewise.
3502         (Wunused-variable): Likewise.
3503
3504 2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
3505
3506         * doc/invoke.texi: Add cpu_type power7.
3507         * config.in (HAVE_AS_VSX): New.
3508         * config.gcc: Add cpu_type power7.
3509         * configure.ac (HAVE_AS_VSX): Check for assembler support of the
3510         VSX instructions.
3511         * configure: Regenerate.
3512         * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
3513         power5.
3514         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
3515         (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
3516         (EXTRA_SPECS): Add asm_cpu_power7 spec string.
3517
3518 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
3519
3520         * tree-vect-transform.c (vectorizable_conversion): Pass the integral
3521         type to vectorize.builtin_conversion.
3522         (vectorizable_conversion): Likewise.
3523         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
3524         integral type as input.
3525         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
3526         FIX_TRUNC_EXPR.
3527         (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
3528         and ALTIVEC_BUILTIN_VCTSXS.
3529         (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
3530         formatting.
3531
3532 2008-08-08  Richard Guenther  <rguenther@suse.de>
3533
3534         * tree-ssa-ccp.c (likely_value): Calls are not all varying.
3535         (surely_varying_stmt_p): Calls are varying only if they are
3536         non-builtin and not indirect or have no result.
3537         (ccp_fold): Re-instantiate code before the tuples merge.
3538
3539 2008-08-08  Richard Guenther  <rguenther@suse.de>
3540
3541         PR tree-optimization/37056
3542         * gimple.h (gimple_assign_rhs_class): New helper function.
3543         * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
3544         unary operations properly.
3545
3546 2008-08-07  Jan Hubicka  <jh@suse.cz>
3547
3548         * i386.h (ix86_size_cost): Declare.
3549         (ix86_cur_cost): New function macro.
3550         * i386.md (peepholes expanding size and splitters): Predicate by
3551         optimize_insn_for_speed_p.
3552         (peepholes reduce size and splitters): Predicate by
3553         optimize_insn_for_size_p.
3554         * i386.c (ix86_size_cost): Rename from ...
3555         (size_cost): This one.
3556         (override_options): Update.
3557         (decide_alg): Likewise.
3558         (ix86_expand_clear): Use RTL profile.
3559         (ix86_pad_returns): Use RTL profile.
3560
3561 2008-08-07  Jan Hubicka  <jh@suse.cz>
3562
3563         * recog.c (split_all_insns): Set RTL profile
3564         (peephole2_optimize): Likewise.
3565         * function.c (thread_prologue_and_epilogue_insns): Likewise.
3566         * combine.c (combine_instructions): Likewise.
3567
3568 2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3569
3570         * c-common.c (c_common_reswords): Also warn about keyword "bool".
3571
3572 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
3573
3574         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
3575         value in a6 after the set_frame_ptr insn.
3576
3577 2008-08-07  Richard Henderson  <rth@redhat.com>
3578
3579         PR debug/37033
3580         * gcc.c (cpp_options): Pass along -g*.
3581
3582 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
3583
3584         * config/arm/arm.c (output_move_neon): Update comment describing
3585         big-endian vector layout.
3586         (arm_assemble_integer): Do not handle big-endian NEON vectors
3587         specially.
3588         * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
3589         neon_vget_lane<mode>_sext_internal,
3590         neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
3591         element indices for big-endian.
3592
3593 2008-08-07  Richard Henderson  <rth@redhat.com>
3594
3595         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
3596         * configure, config.in: Rebuild.
3597         * debug.h (dwarf2out_do_cfi_asm): Declare.
3598         * c-cppbuiltin.c (c_cpp_builtins): Use it.
3599         * dwarf2out.c (dwarf2out_do_cfi_asm): New.
3600         (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
3601         dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.
3602
3603 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
3604
3605         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3606         movv2si_internal): Combine into mov<mode>_internal.
3607         (movv2si_internal_2): Remove.
3608
3609 2008-08-07  Jan Hubicka  <jh@suse.cz>
3610
3611         PR target/37048
3612         * i386.md (single stringop patterns): Enable unconditionally.
3613
3614 2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3615
3616         PR target/36992
3617         * config/i386/emmintrin.h (_mm_move_epi64): Use
3618         __builtin_ia32_movq128.
3619
3620         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
3621         (bdesc_args): Add IX86_BUILTIN_MOVQ128.
3622
3623         * config/i386/sse.md (sse2_movq128): New.
3624
3625         * doc/extend.texi: Document __builtin_ia32_movq128.
3626
3627 2008-08-07  Richard Guenther  <rguenther@suse.de>
3628
3629         PR middle-end/37042
3630         * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
3631         pointers can access anything.
3632
3633 2008-08-06  Jan Hubicka  <jh@suse.cz>
3634
3635         * optabs.c (emit_unop_insn): Break out to ...
3636         (maybe_emit_unop_insn): ... this one.
3637         (expand_sfix_optab): Use maybe variant.
3638         * optabs.h (maybe_emit_unop_insn): Declare.
3639
3640         * i386.md (mov0 patterns): Enable by default.
3641         (FP conversion expanders): Disable expansion of code expanding
3642         sequences when instruction should be optimized for size.
3643         (single strinop patterns): Enable when optimizing for size.
3644         (string expanders): Disable expanding of code expanding sequences
3645         when optimizning instruction for size.
3646         * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
3647         per BB basis.
3648         (ix86_fp_comparison_sahf_cost): Likewise.
3649         (ix86_expand_branch): Likewise.
3650         (ix86_expand_ashl_const): Likewise.
3651         (ix86_split_ashl): Likewise.
3652         (ix86_expand_strlen): Likewise.
3653         (ix86_emit_fp_unordered_jump): Likewie.
3654
3655 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3656
3657         * c-common.c: Fix typo.
3658         (c_common_reswords): Activate more C++ keyword warnings.
3659
3660         * matrix-reorg.c (compute_offset): Avoid C++ keywords.
3661
3662 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3663
3664         PR 26785
3665         * diagnostic.c (permerror_at): New.
3666         * toplev.h (permerror_at): Declare.
3667
3668 2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
3669             Ira Rosen  <irar@il.ibm.com>
3670
3671         * tree-vect-transform.c (vect_model_simple_cost): Return
3672         immediately if stmt is pure SLP.
3673         (vect_model_store_cost): Ditto.
3674         (vect_model_load_cost): Ditto.
3675         (vectorizable_store): Remove PURE_SLP check before call
3676         to vect_model_store_cost.
3677         (vect_model_store_cost): When checking whether stmt describe
3678         strided access, add a check that it is not slp_node.
3679
3680 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3681
3682         PR 8715
3683         * c-common.c (warn_for_sign_compare): New. Handle separately the
3684         case that 'constant' is zero.
3685         * c-typeck.c (build_binary_op): Move code to c-common.c
3686
3687 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3688
3689         * config/alpha/alpha.c (alpha_preferred_reload_class,
3690         alpha_secondary_reload, alpha_emit_set_const_1, function_value,
3691         alpha_output_mi_thunk_osf): Avoid C++ keywords.
3692         * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
3693         * config/arm/arm.md: Likewise.
3694         * config/avr/avr-protos.h (preferred_reload_class,
3695         test_hard_reg_class, avr_simplify_comparison_p,
3696         out_shift_with_cnt, class_max_nregs): Likewise.
3697         * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
3698         output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
3699         preferred_reload_class, test_hard_reg_class): Likewise.
3700         * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
3701         bfin_memory_move_cost, bfin_secondary_reload,
3702         bfin_output_mi_thunk): Likewise.
3703         * config/crx/crx.c (crx_secondary_reload_class,
3704         crx_memory_move_cost): Likewise.
3705         * config/frv/frv-protos.h (frv_secondary_reload_class,
3706         frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
3707         * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
3708         frv_secondary_reload_class, frv_class_likely_spilled_p,
3709         frv_class_max_nregs): Likewise.
3710         * config/h8300/h8300.c (h8300_classify_operand,
3711         h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
3712         Likewise.
3713         * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
3714         * config/ia64/ia64.c (ia64_preferred_reload_class,
3715         ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
3716         * config/iq2000/iq2000.c (gen_int_relational): Likewise.
3717         * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
3718         Likewise.
3719         * config/m68hc11/m68hc11.c (preferred_reload_class,
3720         m68hc11_memory_move_cost): Likewise.
3721         * config/mcore/mcore.c (mcore_secondary_reload_class,
3722         mcore_reload_class): Likewise.
3723         * config/mips/mips.c (mips_hard_regno_mode_ok_p,
3724         mips_class_max_nregs, mips_cannot_change_mode_class,
3725         mips_preferred_reload_class, mips_secondary_reload_class,
3726         mips_output_mi_thunk): Likewise.
3727         * config/mmix/mmix.c (mmix_preferred_reload_class,
3728         mmix_preferred_output_reload_class, mmix_secondary_reload_class):
3729         Likewise.
3730         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
3731         Likewise.
3732         * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
3733         pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
3734         * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3735         * config/rs6000/rs6000.c (paired_expand_vector_init,
3736         rs6000_secondary_reload_class, rs6000_output_mi_thunk,
3737         compare_section_name, rs6000_memory_move_cost): Likewise.
3738         * config/s390/s390.c (s390_emit_compare_and_swap,
3739         s390_preferred_reload_class, s390_secondary_reload,
3740         legitimize_pic_address, legitimize_tls_address,
3741         legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
3742         s390_class_max_nregs): Likewise.
3743         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3744         * config/s390/s390.md: Likewise.
3745         * config/score/score-protos.h (score_secondary_reload_class,
3746         score_preferred_reload_class): Likewise.
3747         * config/score/score.c (score_preferred_reload_class,
3748         score_secondary_reload_class): Likewise.
3749         * config/score/score3.c (score3_output_mi_thunk,
3750         score3_preferred_reload_class, score3_secondary_reload_class,
3751         score3_hard_regno_mode_ok): Likewise.
3752         * config/score/score3.h (score3_preferred_reload_class,
3753         score3_secondary_reload_class): Likewise.
3754         * config/score/score7.c (score7_output_mi_thunk,
3755         score7_preferred_reload_class, score7_secondary_reload_class,
3756         score7_hard_regno_mode_ok): Likewise.
3757         * config/score/score7.h (score7_preferred_reload_class,
3758         score7_secondary_reload_class): Likewise.
3759         * config/sh/sh.c (prepare_move_operands, output_far_jump,
3760         output_branchy_insn, add_constant, gen_block_redirect,
3761         sh_insn_length_adjustment, sh_cannot_change_mode_class,
3762         sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload):
3763         Likewise.
3764         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3765         * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
3766         xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
3767         xstormy16_preferred_reload_class): Likewise.
3768         * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
3769         xtensa_expand_atomic, override_options,
3770         xtensa_preferred_reload_class, xtensa_secondary_reload_class):
3771         Likewise.
3772         * reorg.c (try_merge_delay_insns): Likewise.
3773         * tree.c (merge_dllimport_decl_attributes): Likewise.
3774
3775         * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.
3776
3777 2008-08-06  Michael Matz  <matz@suse.de>
3778
3779         * Makefile.in (write_entries_to_file): Quote words.
3780         * gengtype.c: (read_input_line): Skip over leading white-space.
3781
3782 2008-08-06  Marc Gauthier  <marc@tensilica.com>
3783
3784         * config.gcc: Match more processor names for Xtensa.
3785         * configure.ac: Likewise.
3786         * doc/install.texi (Specific): Likewise.
3787         * configure: Regenerate.
3788
3789 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3790
3791         * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
3792         * calls.c (avoid_likely_spilled_reg): Likewise.
3793         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
3794         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
3795         * config/i386/i386.c (ix86_expand_special_args_builtin,
3796         ix86_secondary_reload): Likewise.
3797         * except.c (struct eh_region, gen_eh_region_catch,
3798         remove_unreachable_regions, duplicate_eh_regions,
3799         assign_filter_values, build_post_landing_pads,
3800         sjlj_find_directly_reachable_regions, remove_eh_handler,
3801         reachable_next_level, foreach_reachable_handler,
3802         can_throw_internal_1, can_throw_external_1,
3803         collect_one_action_chain): Likewise.
3804         * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
3805         * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
3806         * function.c (update_temp_slot_address, instantiate_new_reg,
3807         instantiate_virtual_regs_in_rtx,
3808         instantiate_virtual_regs_in_insn): Likewise.
3809         * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
3810         * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
3811         gimplify_cleanup_point_expr): Likewise.
3812         * ipa-cp.c (ipcp_lattice_changed): Likewise.
3813         * passes.c (next_pass_1): Likewise.
3814         * print-tree.c (print_node_brief, print_node): Likewise.
3815         * profile.c (branch_prob): Likewise.
3816         * tree-dump.c (dump_register): Likewise.
3817         * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
3818         Likewise.
3819         * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
3820         copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
3821         copy_edges_for_bb, copy_cfg_body, copy_tree_r,
3822         copy_arguments_for_versioning, copy_static_chain): Likewise.
3823         * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
3824         add_new_name_mapping, register_new_name_mapping): Likewise.
3825         * tree-mudflap.c (mf_xform_derefs): Likewise.
3826         * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
3827         get_init_expr, combine_chains): Likewise.
3828         * tree-pretty-print.c (dump_generic_node): Likewise.
3829         * tree-ssa-structalias.c (create_variable_info_for): Likewise.
3830         * tree-vrp.c (simplify_cond_using_ranges): Likewise.
3831         * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
3832         * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
3833
3834 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3835
3836         PR middle-end/37010
3837         * calls.c (expand_call): Use the biggest preferred stack
3838         boundary.
3839
3840 2008-08-06  Michael Matz  <matz@suse.de>
3841
3842         PR target/36613
3843         * reload.c (push_reload): Merge in,out,in_reg,out_reg members
3844         for reused reload, instead of overwriting them.
3845
3846 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3847
3848         PR middle-end/37009
3849         * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
3850         for incoming stack boundary.
3851
3852         * function.c (assign_parm_find_entry_rtl): Update
3853         parm_stack_boundary.
3854
3855         * function.h (rtl_data): Add parm_stack_boundary.
3856
3857         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
3858         parm_stack_boundary for incoming stack boundary.
3859
3860 2008-08-06  Joseph Myers  <joseph@codesourcery.com>
3861
3862         * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
3863         for unrepresentable subregs or treat them as equal to other regs
3864         or subregs with the same register number.
3865
3866 2008-08-06  Aldy Hernandez  <aldyh@redhat.com>
3867
3868         PR middle-end/35432
3869         * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
3870         if want_value.
3871
3872 2008-08-06  Jan Hubicka  <jh@suse.cz>
3873
3874         * predict.c (maybe_hot_frequency_p): When profile is absent, all
3875         frequencies might be hot.
3876
3877 2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3878
3879         * reload.c (find_reloads): Force constants into literal pool
3880         also if they are wrapped in a SUBREG.
3881
3882 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3883
3884         PR target/35659
3885         * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
3886         * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
3887         Don't allow predicated instructions for data speculation.
3888         * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
3889         declaration.
3890
3891 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3892
3893         * haifa-sched.c (extend_global): Split to extend_global_data and
3894         extend_region_data.  Update all uses.
3895         (extend_all): Rename to extend_block_data.
3896
3897 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3898
3899         * sched-rgn.c (new_ready): Check if instruction can be
3900         speculatively scheduled before attempting speculation.
3901         (debug_rgn_dependencies): Remove wrongful assert.
3902
3903 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3904
3905         * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
3906
3907 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3908
3909         * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
3910         (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
3911         va_size, and type_size.
3912
3913 2008-08-04  Jason Merrill  <jason@redhat.com>
3914
3915         PR c++/37016
3916         * tree-ssa.c (useless_type_conversion_p_1): Call langhook
3917         if TYPE_STRUCTURAL_EQUALITY_P is true for both types.
3918
3919 2008-08-05  Richard Henderson  <rth@redhat.com>
3920
3921         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
3922         * configure: Rebuild.
3923
3924 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3925
3926         PR tree-opt/37024
3927         * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
3928         instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
3929         is a conversion.
3930
3931 2008-08-05  Richard Henderson  <rth@redhat.com>
3932
3933         * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
3934         * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
3935         * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
3936         * common.opt (fdwarf2-cfi-asm): New.
3937         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
3938         * config.in, configure: Rebuild.
3939         * dwarf2asm.c (dw2_asm_output_data_raw): New.
3940         (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
3941         (dw2_force_const_mem): Externalize.
3942         * dwarf2asm.h: Update.
3943         * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
3944         generate a real label.
3945         (output_cfi_directive): New.
3946         (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
3947         (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
3948         (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
3949         and .cfi_lsda.
3950         (dwarf2out_end_epilogue): Emit .cfi_endproc.
3951         (output_loc_operands_raw, output_loc_sequence_raw): New.
3952         (output_cfa_loc_raw): New.
3953
3954 2008-08-05  Paul Brook  <paul@codesourcery.com>
3955
3956         * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
3957         * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
3958         (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
3959         (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
3960         * config/arm/arm.h (TARGET_VFPD32): Define.
3961         (TARGET_VFP3): Use TARGET_VFPD32.
3962         (fputype): Add FPUTYPE_VFP3D16.
3963         (LAST_VFP_REGNUM): Use TARGET_VFPD32.
3964         * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
3965         * config/arm/arm-cores.def: Add cortex-r4f.
3966         * config/arm/arm-tune.md: Regenerate.
3967
3968 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3969
3970         * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
3971         Reword some comments throughout the file.
3972
3973         (MFC_MIN_DMA_LIST_ELEMENTS): New define.
3974         (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
3975         (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of MFC_MIN_DMA_LIST_ELEMENTS.
3976         (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of MFC_MAX_DMA_LIST_ELEMENTS.
3977
3978         (MFC_START_ENABLE): Remove PPU-only define.
3979         (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
3980         (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.
3981
3982         (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
3983         (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
3984         (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
3985         (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
3986         (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
3987         (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
3988         (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.
3989
3990         (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
3991         (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
3992         (mfc_sdcrt, mfc_sdcrtst): Likewise.
3993         (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.
3994
3995         (spu_read_machine_status): Fix typo.
3996
3997 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3998
3999         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
4000         SUBREG of multi-word hard register.
4001         * config/spu/spu.c (valid_subreg): Likewise.
4002         (adjust_operand): Handle SUBREGs of multi-word hard registers.
4003
4004 2008-08-04  Richard Guenther  <rguenther@suse.de>
4005
4006         * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
4007         the candidate with the stripped base if that base is different
4008         from the original base even for offset zero.
4009
4010 2008-08-04  Richard Guenther  <rguenther@suse.de>
4011
4012         PR middle-end/36691
4013         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
4014         check for no_overflow.
4015
4016 2008-08-04  Richard Guenther  <rguenther@suse.de>
4017
4018         * tree-vect-transform.c (vectorizable_call): Fix tuplification.
4019
4020 2008-08-04  Paul Brook  <paul@codesourcery.com>
4021
4022         * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
4023         (arm_order_regs_for_local_alloc): New function.
4024         * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
4025         prototype.
4026         * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.
4027
4028 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
4029
4030         PR target/37012
4031         * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
4032         instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
4033         (ix86_expand_epilogue): Likewise.
4034
4035 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
4036
4037         * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
4038         in comments.
4039
4040 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
4041
4042         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
4043         to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
4044         (*movv2sf_internal_rex64): Ditto.
4045
4046 2008-08-03  Jan Hubicka  <jh@suse.cz>
4047
4048         * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
4049         expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
4050         * expmed.c (expand_smod_pow2): Likewise.
4051
4052 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
4053
4054         PR target/36992
4055         * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
4056         alternative 0 of operand 1.
4057         (*vec_concatv2di_rex64_sse): Ditto.
4058         (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
4059         of operand 1.
4060         (*sse2_storeq_rex64): Penalize allocation of "r" registers.
4061         * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
4062         of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
4063         (*movv2sf_internal_rex64): Ditto.
4064
4065 2008-08-02  Richard Guenther  <rguenther@suse.de>
4066
4067         PR target/35252
4068         * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
4069         (ssedoublesizemode): New mode attribute.
4070         (sse_shufps): Call gen_sse_shufps_v4sf.
4071         (sse_shufps_1): Macroize.
4072         (sse2_shufpd): Call gen_Sse_shufpd_v2df.
4073         (sse2_shufpd_1): Macroize.
4074         (vec_extract_odd, vec_extract_even): New expanders.
4075         (vec_interleave_highv4sf, vec_interleave_lowv4sf,
4076         vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
4077         * i386.c (ix86_expand_vector_init_one_nonzero): Call
4078         gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
4079         (ix86_expand_vector_set): Likewise.
4080         (ix86_expand_reduc_v4sf): Likewise.
4081
4082 2008-08-01  Doug Kwan  <dougkwan@google.com>
4083
4084         * matrix-reorg.c: Re-enable all code.
4085         (struct malloc_call_data): Change CALL_STMT to gimple type.
4086         (collect_data_for_malloc_call): Tuplify.
4087         (struct access_site_info): Change STMT to gimple type.
4088         (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
4089         and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
4090         (struct free_info): Change STMT to gimple type.
4091         (struct matrix_access_phi_node):  Change PHI to gimple type.
4092         (get_inner_of_cast_expr): Remove.
4093         (may_flatten_matrices_1): Tuplify.
4094         (may_flatten_matrices): Ditto.
4095         (mark_min_matrix_escape_level): Ditto.
4096         (ssa_accessed_in_tree): Refactor statement RHS related code into ...
4097         (ssa_accessed_in_call_rhs): New
4098         (ssa_accessed_in_assign_rhs): New
4099         (record_access_alloc_site_info): Tuplify.
4100         (add_allocation_site): Ditto.
4101         (analyze_matrix_allocation_site): Ditto.
4102         (analyze_transpose): Ditto.
4103         (get_index_from_offset): Ditto.
4104         (update_type_size): Ditto.
4105         (analyze_accesses_for_call_expr): Tuplify and renamed into ...
4106         (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
4107         (analyze_accesses_for_phi_node): Tuplify.
4108         (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
4109         (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
4110         (analyze_matrix_accesses): Tuplify.
4111         (check_var_data): New call-back type for check_var_notmodified_p.
4112         (check_var_notmodified_p): Tuplify and use call-back struct to
4113         return statement found.
4114         (can_calculate_expr_before_stmt): Factor out statement related code
4115         into ...
4116         (can_calculate_stmt_before_stmt): New.
4117         (check_allocation_function): Tuplify.
4118         (find_sites_in_func): Ditto.
4119         (record_all_accesses_in_func): Ditto.
4120         (transform_access_sites): Ditto.
4121         (transform_allocation_sites): Ditto.
4122         (matrix_reorg): Re-enable.
4123         (gate_matrix_reorg): Re-enable.
4124
4125 2008-08-01  Jakub Jelinek  <jakub@redhat.com>
4126
4127         * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
4128         for labels for which it hasn't been set yet.  If it has been set,
4129         stop walking insns and continue with next worklist item.
4130         (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
4131         if the only BARRIER is at the very end of a function.
4132
4133 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
4134
4135         * cfgexpand.c (expand_stack_alignment): Assert that
4136         stack_realign_drap and drap_rtx must match.
4137
4138         * function.c (instantiate_new_reg): If DRAP is used to realign
4139         stack, replace virtual_incoming_args_rtx with internal arg
4140         pointer.
4141
4142 2008-08-01  Richard Guenther  <rguenther@suse.de>
4143
4144         * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
4145         loop information only if we initialized it.
4146         (execute_pre): Call fini_pre with in_fre.
4147         * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
4148         if we do not unroll because we hit max-completely-peeled-insns.
4149         Use our estimation for consistency, do allow shrinking.
4150
4151 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
4152
4153         * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
4154         with MIN_STACK_BOUNDARY.
4155         (ix86_update_stack_boundary): Likewise.
4156         (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
4157         STACK_BOUNDARY.
4158
4159         * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
4160         (MIN_STACK_BOUNDARY): This.
4161
4162 2008-08-01  Richard Guenther  <rguenther@suse.de>
4163
4164         PR middle-end/36997
4165         * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
4166
4167 2008-08-01  Richard Guenther  <rguenther@suse.de>
4168
4169         PR tree-optimization/36988
4170         * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
4171         do not matter if that doesn't change volatile qualification.
4172
4173 2008-08-01  Paolo Bonzini  <bonzini@gnu.org>
4174
4175         * configure.ac: Do not generate libada-mk.  Do not subst
4176         host_cc_for_libada.
4177         * libada-mk.in: Remove.
4178         * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
4179         * configure: Regenerate.
4180
4181 2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>
4182
4183         * tree-pass.h: Added comment about not dumping passes with name
4184         starting with star in struct opt_pass.
4185         * passes.c (register_dump_files_1): Don't do dump for a pass with
4186         name starting with star.
4187         * doc/passes.texi (Pass manager): Mention pass names and special
4188         meaning of star prefix to avoid dump.
4189
4190 2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>
4191
4192         * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
4193         to MIPS64r2.
4194         * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
4195         (ISA_MIPS64R2): New macro.
4196         (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
4197         (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
4198         ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
4199         ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
4200         ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
4201         ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
4202         ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
4203         (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
4204         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
4205         Move up to keep list alphabetically sorted.
4206         (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
4207         * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
4208         processor.
4209         * doc/invoke.texi (MIPS Options): Add -mips64r2.
4210         (-march=@var{arch}): Add mips64r2.
4211
4212 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
4213
4214         * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.
4215
4216 2008-07-31  Steve Ellcey  <sje@cup.hp.com>
4217
4218         * expr.c (expand_assignment): Check for complete type.
4219
4220 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
4221
4222         PR debug/36977
4223         * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.
4224
4225         * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
4226         for stack alignment.
4227
4228         * function.h (rtl_data): Add stack_realign_tried.  Update comments.
4229
4230 2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>
4231
4232         * config/sh/sh.c (sh_canonical_va_list_type): Remove.
4233         (TARGET_CANONICAL_VA_LIST_TYPE): Remove.
4234
4235 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
4236
4237         PR rtl-optimization/36419
4238         * dwarf2out.c (barrier_args_size): New variable.
4239         (compute_barrier_args_size, compute_barrier_args_size_1): New
4240         functions.
4241         (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
4242         if not called yet in the current function, use barrier_args_size
4243         array to find the new args_size value.
4244         (dwarf2out_frame_debug): Free and clear barrier_args_size.
4245
4246 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
4247
4248         PR debug/36980
4249         * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
4250         rule 19.
4251
4252 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
4253
4254         PR debug/36976
4255         * dwarf2out.c (dwarf2out_args_size_adjust): New.
4256         (dwarf2out_stack_adjust): Use it.
4257         (dwarf2out_frame_debug_expr): Likewise.
4258
4259 2008-07-31  Richard Guenther  <rguenther@suse.de>
4260
4261         PR tree-optimization/36978
4262         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
4263         the generated condition.
4264
4265 2008-07-31  Richard Guenther  <rguenther@suse.de>
4266
4267         * passes.c (init_optimization_passes): Always call
4268         pass_early_warn_uninitialized.
4269         * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
4270         * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
4271         * doc/passes.texi (Warn for uninitialized variables): Adjust.
4272
4273 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
4274
4275         PR c/36970
4276         * builtins.c (maybe_emit_free_warning): New function.
4277         (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
4278         maybe_emit_free_warning for BUILT_IN_FREE.
4279
4280         PR debug/36278
4281         * dwarf2out.c (get_context_die): New function.
4282         (force_decl_die, force_type_die): Use it.
4283         (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
4284         returns NULL, force generation of DW_TAG_typedef and put that into
4285         DW_AT_import.
4286
4287         PR preprocessor/36649
4288         * c-pch.c (c_common_read_pch): Save and restore
4289         line_table->trace_includes across PCH restore.
4290
4291 2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>
4292
4293         PR ada/36554
4294         * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
4295
4296 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
4297
4298         PR 36974
4299         * final.c (call_from_call_insn): Handle COND_EXEC.
4300
4301 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
4302
4303         * builtins.c (std_gimplify_va_arg_expr): Replace
4304         PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
4305         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4306
4307 2008-07-30  Joey Ye  <joey.ye@intel.com>
4308             H.J. Lu  <hongjiu.lu@intel.com>
4309
4310         * builtins.c (expand_builtin_setjmp_receiver): Replace
4311         virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
4312         (expand_builtin_apply_args_1): Likewise.
4313         (expand_builtin_longjmp): Need DRAP for stack alignment.
4314         (expand_builtin_apply): Likewise.
4315
4316         * caller-save.c (setup_save_areas): Call assign_stack_local_1
4317         instead of assign_stack_local to allow alignment reduction.
4318
4319         * calls.c (emit_call_1): Need DRAP for stack alignment if
4320         return pops.
4321         (expand_call): Replace virtual_incoming_args_rtx with
4322         crtl->args.internal_arg_pointer.
4323         * stmt.c (expand_nl_goto_receiver): Likewise.
4324
4325         * cfgexpand.c (get_decl_align_unit): Estimate stack variable
4326         alignment and store to stack_alignment_estimated and
4327         max_used_stack_slot_alignment.
4328         (expand_one_var): Likewise.
4329         (expand_stack_alignment): New function.
4330         (tree_expand_cfg): Initialize max_used_stack_slot_alignment
4331         and stack_alignment_estimated fields in rtl_data.  Call
4332         expand_stack_alignment at end.
4333
4334         * defaults.h (INCOMING_STACK_BOUNDARY): New.
4335         (MAX_STACK_ALIGNMENT): Likewise.
4336         (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
4337         (SUPPORTS_STACK_ALIGNMENT): Likewise.
4338
4339         * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
4340         stack alignment when generating virtual registers.
4341
4342         * function.c (assign_stack_local): Renamed to ...
4343         (assign_stack_local_1): This.  Add a parameter to indicate
4344         if it is OK to reduce alignment.
4345         (assign_stack_local): Use it.
4346         (instantiate_new_reg): Instantiate virtual incoming args rtx
4347         to vDRAP if stack realignment and DRAP is needed.
4348         (assign_parms): Collect parameter/return type alignment and
4349         contribute to stack_alignment_estimated.
4350         (locate_and_pad_parm): Likewise.
4351         (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
4352         with crtl->args.internal_arg_pointer.
4353
4354         * function.h (rtl_data): Add new field drap_reg,
4355         max_used_stack_slot_alignment, stack_alignment_estimated,
4356         stack_realign_needed, need_drap, stack_realign_processed and
4357         stack_realign_finalized.
4358         (stack_realign_fp): New macro.
4359         (stack_realign_drap): Likewise.
4360
4361         * global.c (compute_regsets): Frame pointer is needed when
4362         stack is realigned.  Can eliminate frame pointer when stack is
4363         realigned and dynamic realigned argument pointer isn't used.
4364
4365         * reload1.c (update_eliminables):  Frame pointer is needed
4366         when stack is realigned.
4367         (init_elim_table): Can eliminate frame pointer when stack is
4368         realigned and dynamic realigned argument pointer isn't used.
4369
4370         * rtl.h (assign_stack_local_1): Declare new funtion.
4371
4372         * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
4373         (TARGET_GET_DRAP_RTX): Likewise.
4374         (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
4375         TARGET_GET_DRAP_RTX.
4376
4377         * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.
4378
4379         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
4380         STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
4381
4382 2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
4383             H.J. Lu  <hongjiu.lu@intel.com>
4384
4385         * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
4386         vdrap_reg, stack_realign and drap_reg_saved.
4387         (add_cfi): Don't allow redefining CFA when DRAP is used.
4388         (reg_save): Handle stack alignment.
4389         (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
4390         alignment.  Don't generate DWARF information for (set fp sp)
4391         when DRAP is used.
4392         (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
4393         to INVALID_REGNUM.
4394         (int_loc_descriptor): Move prototype forward.  Also define if
4395         DWARF2_UNWIND_INFO is true.
4396         (output_cfa_loc): Handle DW_CFA_expression.
4397         (build_cfa_aligned_loc): New.
4398         (based_loc_descr): Update assert for stack realign.  For local
4399         variables, use sp+offset when stack is aligned without drap and
4400         fp+offset when stack is aligned with drap.  For arguments, use
4401         cfa+offset when drap is used to align stack.
4402
4403 2008-07-30  Joey Ye  <joey.ye@intel.com>
4404             H.J. Lu  <hongjiu.lu@intel.com>
4405
4406         * config/i386/i386.c (ix86_force_align_arg_pointer_string):
4407         Break long line.
4408         (ix86_gen_andsp): New.
4409         (ix86_user_incoming_stack_boundary): Likewise.
4410         (ix86_default_incoming_stack_boundary): Likewise.
4411         (ix86_incoming_stack_boundary): Likewise.
4412         (ix86_can_eliminate): Likewise.
4413         (find_drap_reg): Likewise.
4414         (ix86_update_stack_boundary): Likewise.
4415         (ix86_get_drap_rtx): Likewise.
4416         (ix86_finalize_stack_realign_flags): Likewise.
4417         (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
4418         (TARGET_GET_DRAP_RTX): Likewise.
4419         (override_options): Overide option value for new options.
4420         (ix86_function_ok_for_sibcall): Remove check for
4421         force_align_arg_pointer.
4422         (ix86_handle_cconv_attribute): Likewise.
4423         (ix86_function_regparm): Likewise.
4424         (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
4425         (ix86_va_start): Replace virtual_incoming_args_rtx with
4426         crtl->args.internal_arg_pointer.
4427         (ix86_select_alt_pic_regnum): Check DRAP register.
4428         (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
4429         (ix86_compute_frame_layout): Compute frame layout wrt stack
4430         realignment.
4431         (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
4432         (ix86_expand_prologue): Decide if stack realignment is needed
4433         and generate prologue code accordingly.
4434         (ix86_expand_epilogue): Generate epilogue code wrt stack
4435         realignment is really needed or not.
4436
4437         * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
4438         (ABI_STACK_BOUNDARY): Likewise.
4439         (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
4440         (STACK_REALIGN_DEFAULT): Likewise.
4441         (INCOMING_STACK_BOUNDARY): Likewise.
4442         (MAX_STACK_ALIGNMENT): Likewise.
4443         (ix86_incoming_stack_boundary): Likewise.
4444         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
4445         (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
4446         (CAN_ELIMINATE): Defined with ix86_can_eliminate.
4447         (machine_function): Remove force_align_arg_pointer.
4448
4449         * config/i386/i386.md (BX_REG): New.
4450         (R13_REG): Likewise.
4451
4452         * config/i386/i386.opt (mforce_drap): New.
4453         (mincoming-stack-boundary): Likewise.
4454         (mstackrealign): Add Init(-1).
4455
4456         * config/i386/i386-protos.h (ix86_can_eliminate): New
4457
4458 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
4459
4460         * doc/extend.texi: Update force_align_arg_pointer.
4461
4462         * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
4463         -mstackrealign.
4464
4465         * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
4466         (INCOMING_STACK_BOUNDARY): Likewise.
4467         (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
4468         (TARGET_GET_DRAP_RTX): Likewise.
4469
4470 2008-07-30  Andreas Schwab  <schwab@suse.de>
4471
4472         PR rtl-optimization/36929
4473         * dse.c (replace_inc_dec): Use emit_insn_before instead of
4474         add_insn_before and fix argument order.
4475         (replace_inc_dec_mem): Handle NULL rtx.
4476
4477 2008-07-30  Andrew Jenner  <andrew@codesourcery.com>
4478
4479         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
4480         function.
4481         (arm_compute_initial_elimination_offset): Use it.
4482         (arm_compute_save_reg_mask): Include static chain save slot when
4483         calculating alignment.
4484         (arm_get_frame_offsets): Ditto.
4485         (thumb1_compute_save_reg_mask): Ensure we have a low register saved
4486         that we can use to decrement the stack when the stack decrement
4487         could be too big for an immediate value in a single insn.
4488         (thumb1_expand_prologue): Avoid using r12 for stack decrement.
4489
4490 2008-07-30  Richard Guenther  <rguenther@suse.de>
4491
4492         PR tree-optimization/36967
4493         * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
4494         Release defs of statements we remove.
4495
4496 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
4497
4498         * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
4499         instead of NULL_RTVEC.
4500
4501 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
4502
4503         PR target/35866
4504
4505         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
4506         vector modes.
4507
4508 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
4509
4510         * final.c (call_from_call_insn): New.
4511         (final_scan_insn): Call assemble_external on FUNCTION_DECLs.
4512
4513 2008-07-30  Paolo Bonzini  <bonzini@gnu.org>
4514
4515         * configure.ac: Substitute ADA_CFLAGS.
4516         * configure: Regenerate.
4517         * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
4518         * Makefile.in: Remove mention of X_* variables.
4519         * config/pa/x-ada-hpux10: Remove.
4520         * config/pa/x-ada: Remove.
4521
4522         * doc/fragments.texi: Update.
4523
4524 2008-07-30  Olivier Hainque  <hainque@adacore.com>
4525
4526         * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
4527         * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
4528         __dso_handle explicitly here.
4529
4530 2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4531
4532         PR 34389
4533         * c-typeck.c (build_binary_op): Encapsulate code into...
4534         * c-common.c (shorten_binary_op): ...this new function.
4535         (conversion_warning): Use the new function. Handle non-negative
4536         constant in bitwise-and.
4537         * c-common.h (shorten_binary_op): Declare.
4538
4539 2008-07-30  Olivier Hainque  <hainque@adacore.com>
4540
4541         * scan.c (make_sstring_space): Add explicit conversions of
4542         allocator's return value.
4543         * fix-header.c (recognized_function): Likewise.
4544
4545 2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4546
4547         * doc/cpp.texi: Update to GFDL 1.2.
4548         * doc/gcc.texi: Do not list GPL as Invariant Section.
4549         * doc/gccint.texi: Likewise.  Update copyright years.
4550         * doc/install.texi: Update copyright years.
4551
4552 2008-07-30  Alan Modra  <amodra@bigpond.net.au>
4553
4554         PR target/36955
4555         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
4556         a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.
4557
4558 2008-07-29  Jan Hubicka  <jh@suse.cz>
4559
4560         * c-decl.c (merge_decls): Do not handle DECL_INLINE.
4561         (grokdeclarator): Likewise.
4562         * langhooks.c (lhd_warn_unused_global_decl): Use
4563         DECL_DECLARED_INLINE_P.
4564         * print-tree.c (print_node): Remove DECL_INLINE check.
4565
4566 2008-07-29  Richard Guenther  <rguenther@suse.de>
4567
4568         PR tree-optimization/36945
4569         * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
4570         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
4571         Record invariant addresses un-decomposed.
4572         (copy_reference_ops_from_call): Record reference call
4573         arguments properly.  Simplify.
4574         * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
4575         helper split out from ...
4576         (create_component_ref_by_pieces): ... here.  Simplify.
4577         Prepare for recursive invocation for call arguments.
4578         (create_expression_by_pieces): Adjust call to
4579         create_component_ref_by_pieces.
4580         (compute_avail): Process operand 2 of reference ops.
4581
4582 2008-07-29  Richard Guenther  <rguenther@suse.de>
4583
4584         * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.
4585
4586 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
4587
4588         * c-format.c (check_format_types): Revert unwanted checkin.
4589
4590 2008-07-29  Jan Hubicka  <jh@suse.cz>
4591
4592         * flags.h (flag_really_no_inline): Remove.
4593         * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
4594         * toplev.c (flag_really_no_inline): Remove.
4595         * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
4596         * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
4597         (cgraph_decide_inlining_incrementally): Likewise.
4598         (compute_inline_parameters): Likewise.
4599         * opts.c (decode_options): Simplify.
4600         * c-opts.c (c_common_post_options): Do not set flag_no_inline.
4601         * common.opt (finline): Initialize to 1.
4602         * tree-inline.c (inlinable_function_p): Check flag_no_inline.
4603
4604 2008-07-29  Jan Hubicka  <jh@suse.cz>
4605
4606         * predict.c (always_optimize_for_size_p): New function.
4607         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
4608         optimize_edge_for_size_p, optimize_edge_for_speed_p,
4609         optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
4610         functions.
4611         (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
4612         * function.c (prepare_function_start): Set default profile.
4613         * function.h (rtl_data): Add maybe_hot_insn_p.
4614         * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
4615         (construct_exit_block): Likewise.
4616         (tree_expand_cfg): Likewise.
4617         * basic-block.h
4618         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
4619         optimize_edge_for_size_p, optimize_edge_for_speed_p,
4620         optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
4621         (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
4622         Declare.
4623
4624 2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4625
4626         PR 34985
4627         * c-decl.c (merge_decls): Merge USED flags.
4628
4629 2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
4630
4631         * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
4632         valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
4633         next_stack, lab_false and lab_over trees.
4634
4635 2008-07-28  Richard Guenther  <rguenther@suse.de>
4636
4637         PR tree-optimization/36957
4638         * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
4639         (useless_type_conversion_p): Remove.
4640         (types_compatible_p): Remove.
4641         * gimple.h (tree_ssa_useless_type_conversion): Declare.
4642         (useless_type_conversion_p): Declare.
4643         (types_compatible_p): Declare.
4644         (gimple_expr_type): Return the base type only if it is
4645         trivially convertible to the subtype.
4646
4647 2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>
4648
4649         * configure.ac: Use the m4_do macro to concatenate the warnings into
4650         one string in ACX_PROG_CC_WARNING_OPTS,
4651         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
4652         * configure: Regenerate.
4653
4654 2008-07-28  Richard Guenther  <rguenther@suse.de>
4655
4656         * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
4657         (insert_fake_stores): Remove.
4658         (realify_fake_stores): Likewise.
4659         (execute_pre): Remove dead code.
4660         * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
4661         (find_func_aliases): Deal with it here instead.
4662         Re-enable gcc_unreachable call.
4663
4664 2008-07-28  Richard Guenther  <rguenther@suse.de>
4665
4666         Merge from gimple-tuples-branch.
4667
4668         * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
4669         * gimple.def: New file.
4670         * gsstruct.def: Likewise.
4671         * gimple-iterator.c: Likewise.
4672         * gimple-pretty-print.c: Likewise.
4673         * tree-gimple.c: Removed.  Merged into ...
4674         * gimple.c: ... here.  New file.
4675         * tree-gimple.h: Removed.  Merged into ...
4676         * gimple.h: ... here.  New file.
4677
4678         * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
4679         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
4680         --enable-checking=gimple flag.
4681         * config.in: Likewise.
4682         * configure: Regenerated.
4683
4684         * tree-ssa-operands.h: Tuplified.
4685         * tree-vrp.c: Likewise.
4686         * tree-loop-linear.c: Likewise.
4687         * tree-into-ssa.c: Likewise.
4688         * tree-ssa-loop-im.c: Likewise.
4689         * tree-dump.c: Likewise.
4690         * tree-complex.c: Likewise.
4691         * cgraphbuild.c: Likewise.
4692         * tree-ssa-threadupdate.c: Likewise.
4693         * tree-ssa-loop-niter.c: Likewise.
4694         * tree-pretty-print.c: Likewise.
4695         * tracer.c: Likewise.
4696         * gengtype.c: Likewise.
4697         * tree-loop-distribution.c: Likewise.
4698         * tree-ssa-loop-unswitch.c: Likewise.
4699         * cgraph.c: Likewise.
4700         * cgraph.h: Likewise.
4701         * tree-ssa-loop-manip.c: Likewise.
4702         * value-prof.c: Likewise.
4703         * tree-ssa-loop-ch.c: Likewise.
4704         * tree-tailcall.c: Likewise.
4705         * value-prof.h: Likewise.
4706         * tree.c: Likewise.
4707         * tree.h: Likewise.
4708         * tree-pass.h: Likewise.
4709         * ipa-cp.c: Likewise.
4710         * tree-scalar-evolution.c: Likewise.
4711         * tree-scalar-evolution.h: Likewise.
4712         * target.h: Likewise.
4713         * lambda-mat.c: Likewise.
4714         * tree-phinodes.c: Likewise.
4715         * diagnostic.h: Likewise.
4716         * builtins.c: Likewise.
4717         * tree-ssa-alias-warnings.c: Likewise.
4718         * cfghooks.c: Likewise.
4719         * fold-const.c: Likewise.
4720         * cfghooks.h: Likewise.
4721         * omp-low.c: Likewise.
4722         * tree-ssa-dse.c: Likewise.
4723         * ipa-reference.c: Likewise.
4724         * tree-ssa-uncprop.c: Likewise.
4725         * toplev.c: Likewise.
4726         * tree-gimple.c: Likewise.
4727         * tree-gimple.h: Likewise.
4728         * tree-chrec.c: Likewise.
4729         * tree-chrec.h: Likewise.
4730         * tree-ssa-sccvn.c: Likewise.
4731         * tree-ssa-sccvn.h: Likewise.
4732         * cgraphunit.c: Likewise.
4733         * tree-ssa-copyrename.c: Likewise.
4734         * tree-ssa-ccp.c: Likewise.
4735         * tree-ssa-loop-ivopts.c: Likewise.
4736         * tree-nomudflap.c: Likewise.
4737         * tree-call-cdce.c: Likewise.
4738         * ipa-pure-const.c: Likewise.
4739         * c-format.c: Likewise.
4740         * tree-stdarg.c: Likewise.
4741         * tree-ssa-math-opts.c: Likewise.
4742         * tree-ssa-dom.c: Likewise.
4743         * tree-nrv.c: Likewise.
4744         * tree-ssa-propagate.c: Likewise.
4745         * ipa-utils.c: Likewise.
4746         * tree-ssa-propagate.h: Likewise.
4747         * tree-ssa-alias.c: Likewise.
4748         * gimple-low.c: Likewise.
4749         * tree-ssa-sink.c: Likewise.
4750         * ipa-inline.c: Likewise.
4751         * c-semantics.c: Likewise.
4752         * dwarf2out.c: Likewise.
4753         * expr.c: Likewise.
4754         * tree-ssa-loop-ivcanon.c: Likewise.
4755         * predict.c: Likewise.
4756         * tree-ssa-loop.c: Likewise.
4757         * tree-parloops.c: Likewise.
4758         * tree-ssa-address.c: Likewise.
4759         * tree-ssa-ifcombine.c: Likewise.
4760         * matrix-reorg.c: Likewise.
4761         * c-decl.c: Likewise.
4762         * tree-eh.c: Likewise.
4763         * c-pretty-print.c: Likewise.
4764         * lambda-trans.c: Likewise.
4765         * function.c: Likewise.
4766         * langhooks.c: Likewise.
4767         * ebitmap.h: Likewise.
4768         * tree-vectorizer.c: Likewise.
4769         * function.h: Likewise.
4770         * langhooks.h: Likewise.
4771         * tree-vectorizer.h: Likewise.
4772         * ipa-type-escape.c: Likewise.
4773         * ipa-type-escape.h: Likewise.
4774         * domwalk.c: Likewise.
4775         * tree-if-conv.c: Likewise.
4776         * profile.c: Likewise.
4777         * domwalk.h: Likewise.
4778         * tree-data-ref.c: Likewise.
4779         * tree-data-ref.h: Likewise.
4780         * tree-flow-inline.h: Likewise.
4781         * tree-affine.c: Likewise.
4782         * tree-vect-analyze.c: Likewise.
4783         * c-typeck.c: Likewise.
4784         * gimplify.c: Likewise.
4785         * coretypes.h: Likewise.
4786         * tree-ssa-phiopt.c: Likewise.
4787         * calls.c: Likewise.
4788         * tree-ssa-coalesce.c: Likewise.
4789         * tree.def: Likewise.
4790         * tree-dfa.c: Likewise.
4791         * except.c: Likewise.
4792         * except.h: Likewise.
4793         * cfgexpand.c: Likewise.
4794         * tree-cfgcleanup.c: Likewise.
4795         * tree-ssa-pre.c: Likewise.
4796         * tree-ssa-live.c: Likewise.
4797         * tree-sra.c: Likewise.
4798         * tree-ssa-live.h: Likewise.
4799         * tree-predcom.c: Likewise.
4800         * lambda.h: Likewise.
4801         * tree-mudflap.c: Likewise.
4802         * ipa-prop.c: Likewise.
4803         * print-tree.c: Likewise.
4804         * tree-ssa-copy.c: Likewise.
4805         * ipa-prop.h: Likewise.
4806         * tree-ssa-forwprop.c: Likewise.
4807         * ggc-page.c: Likewise.
4808         * c-omp.c: Likewise.
4809         * tree-ssa-dce.c: Likewise.
4810         * tree-vect-patterns.c: Likewise.
4811         * tree-ssa-ter.c: Likewise.
4812         * tree-nested.c: Likewise.
4813         * tree-ssa.c: Likewise.
4814         * lambda-code.c: Likewise.
4815         * tree-ssa-loop-prefetch.c: Likewise.
4816         * tree-inline.c: Likewise.
4817         * tree-inline.h: Likewise.
4818         * tree-iterator.c: Likewise.
4819         * tree-optimize.c: Likewise.
4820         * tree-ssa-phiprop.c: Likewise.
4821         * tree-vect-transform.c: Likewise.
4822         * tree-object-size.c: Likewise.
4823         * tree-outof-ssa.c: Likewise.
4824         * cfgloop.c: Likewise.
4825         * system.h: Likewise.
4826         * tree-profile.c: Likewise.
4827         * cfgloop.h: Likewise.
4828         * c-gimplify.c: Likewise.
4829         * c-common.c: Likewise.
4830         * tree-vect-generic.c: Likewise.
4831         * tree-flow.h: Likewise.
4832         * c-common.h: Likewise.
4833         * basic-block.h: Likewise.
4834         * tree-ssa-structalias.c: Likewise.
4835         * tree-switch-conversion.c: Likewise.
4836         * tree-ssa-structalias.h: Likewise.
4837         * tree-cfg.c: Likewise.
4838         * passes.c: Likewise.
4839         * ipa-struct-reorg.c: Likewise.
4840         * ipa-struct-reorg.h: Likewise.
4841         * tree-ssa-reassoc.c: Likewise.
4842         * cfgrtl.c: Likewise.
4843         * varpool.c: Likewise.
4844         * stmt.c: Likewise.
4845         * tree-ssanames.c: Likewise.
4846         * tree-ssa-threadedge.c: Likewise.
4847         * langhooks-def.h: Likewise.
4848         * tree-ssa-operands.c: Likewise.
4849         * config/alpha/alpha.c: Likewise.
4850         * config/frv/frv.c: Likewise.
4851         * config/s390/s390.c: Likewise.
4852         * config/m32c/m32c.c: Likewise.
4853         * config/m32c/m32c-protos.h: Likewise.
4854         * config/spu/spu.c: Likewise.
4855         * config/sparc/sparc.c: Likewise.
4856         * config/i386/i386.c: Likewise.
4857         * config/sh/sh.c: Likewise.
4858         * config/xtensa/xtensa.c: Likewise.
4859         * config/stormy16/stormy16.c: Likewise.
4860         * config/ia64/ia64.c: Likewise.
4861         * config/rs6000/rs6000.c: Likewise.
4862         * config/pa/pa.c: Likewise.
4863         * config/mips/mips.c: Likewise.
4864
4865 2008-07-28  Simon Baldwin  <simonb@google.com>
4866
4867         * c-pragma.c (handle_pragma_message): New function.
4868         (init_pragma): Register handle_pragma_message.
4869         * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
4870         documentation.
4871
4872 2008-07-27  Victor Kaplansky  <victork@il.ibm.com>
4873
4874         PR tree-optimization/35252
4875         * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
4876         REALPART_EXPR to be considered as same load operation.
4877
4878 2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>
4879
4880         PR tree-optimization/36830
4881         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
4882         (expressions_equal_p): Return false if only one operand is null.
4883
4884 2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>
4885
4886         * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
4887         version requirements.
4888
4889 2008-07-26  Olivier Hainque  <hainque@adacore.com>
4890
4891         * collect2.c (symkind): New enum.  Symbol kinds we care about.
4892         (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
4893         code and head comment accordingly.
4894         (scan_prog_file): Use symkind names instead of bare integers.
4895
4896 2008-07-25  Jan Hubicka  <jh@suse.cz>
4897
4898         * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
4899         DECL_INLINE.
4900         * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
4901         (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
4902         * dojump.c (clear_pending_stack_adjust): Likewise.
4903         * print-tree.c (print_node): Ignore DECL_INLINE.
4904         * tree-inline.c (inlinable_function_p): Likewise.
4905
4906 2008-07-25  Michael Meissner  <gnu@the-meissners.org>
4907
4908         * doc/extend.texi (hot attribute): Document that the hot attribute
4909         turns on -O3 for some ports.
4910         (cold attribute): Document that the cold attribute turns on -Os
4911         for some ports
4912
4913         * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
4914         reflect function specific option support.
4915
4916         * target.h (struct target_option_hooks): Add fields to say whether
4917         the cold attribute implies -Os and the hot attribute implies -O3.
4918
4919         * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
4920         By default, do not turn on -Os for cold functions.
4921         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
4922         not turn on -O3 for hot functions.
4923
4924         * c-common.c (handle_hot_attribute): Use target hook to determine
4925         if hot functions should enable -O3.
4926         (handle_cold_attribute): Use target hook to determine if cold
4927         functions should enable -Os.
4928
4929         * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
4930         (override_options): Move disable scheduling to
4931         optimization_options.
4932         (optimization_options): Disable scheduling here, not
4933         override_options.
4934         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4935         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4936
4937         * config/ia64/ia64.c (ia64_override_options): Move setting
4938         scheduling flags to ia64_optimization_options.
4939         (ia64_optimization_options): Disable scheduling options here, and
4940         not in ia64_override_options.
4941         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4942         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4943
4944 2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>
4945
4946         PR target/36936
4947         * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.
4948
4949 2008-07-25  Martin Jambor  <mjambor@suse.cz>
4950
4951         PR tree-optimization/36926
4952         * ipa-prop.c (ipa_analyze_call_uses): Call
4953         ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.
4954
4955 2008-07-25  Joseph Myers  <joseph@codesourcery.com>
4956
4957         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4958         movv2si_internal): Add mem = reg alternative.
4959
4960 2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>
4961
4962         PR bootstrap/36918
4963         * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
4964         DEFAULT_PCC_STRUCT_RETURN to 127.
4965
4966 2008-07-24  Jan Hubicka  <jh@suse.cz>
4967
4968         * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
4969         (build_cgraph_edges): Likewise.
4970         * cgraph.c (cgraph_node): Do not update assembler hash.
4971         (cgraph_remove_node): Drop non-unit-at-a-time code.
4972         * tree-pass.h (pass_O0_always_inline): Remove.
4973         * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
4974         * toplev.c (process_options): Flag unit-at-a-time does not imply
4975         no section anchors.
4976         * cgraphunit.c: Update comments.
4977         (decide_is_function_needed): Drop non-unit-at-a-time mode.
4978         (cgraph_assemble_pending_functions): Remove.
4979         (cgraph_reset_node): Drop non-unit-at-a-time code.
4980         (cgraph_finalize_function): Likewise.
4981         (cgraph_analyze_function): Likewise.
4982         (cgraph_finalize_compilation_unit): Likewise.
4983         (cgraph_expand_function): Likewise.
4984         (cgraph_optimize): Likesise.
4985         (save_inline_function_body): Likewise.
4986         * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
4987         * tree-ssa-alias.c (maybe_be_aliased): Likewise.
4988         * ipa-inline.c: Update comments.
4989         (enum inlining_mode): remove INLINE_SPEED.
4990         (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
4991         (cgraph_mark_inline_edge): Likewise.
4992         (try_inline): Likewise.
4993         (cgraph_decide_inlining_incrementally): Likewise.
4994         (cgraph_gate_inlining): Remove.
4995         (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
4996         (cgraph_gate_early_inlining): Likewise.
4997         (gate_inline_passes): Remove.
4998         (pass_inline_parameters, pass_ipa_inline): Remove gates.
4999         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
5000         pass_O0_always_inline): Remove.
5001         * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
5002         * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
5003         * opts.c (no_unit_at_a_time_default): Remove.
5004         (decode_options): Remove flag_unit_at_a_time reset and warning.
5005         * opts.h (no_unit_at_a_time_default): Remove.
5006         * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
5007         early in GNU dialect.
5008         (merge_decls): Update comment; drop unit-at-a-time check.
5009         (finish_decl): Likewise.
5010         (grok_declaration): Remove flag_inline_trees code.
5011         (finish_functions): Return on function returning non-void on all
5012         statics.
5013         * ipa-tye-escape.c (gate_type_escape_vars): Remove.
5014         * cfgexpand.c (expand_one_static_var): Remove.
5015         (expand_one_var): Remove expand_one_static_var call.
5016         (expand_used_vars_for_block): Remove flag_unit_a_time check.
5017         * c-opts.c (c_common_post_options): Remove flag_inline_trees code
5018         and flag_unit_at_a-time compatibility checks.
5019         * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
5020         * tree-inline.c (flag_inline_trees): Remove.
5021         (inlinable_function_p): Don't check it.
5022         (expand_call_inline): Remove non-unit-at-a-time code.
5023         * tree-inline.h (flag_inline_trees): Remove.
5024         * tree-optimize.c (execute_early_local_optimizations): Remove
5025         unit-at-a-time checks.
5026         (tree_rest_of_compilation): Likewise.
5027         * combine.c (setup_incoming_promotions): Likewise.
5028         * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
5029         * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
5030         * passes.c (pass_inline_parameters): Update comments; remove
5031         O0_alwaysinline pass.
5032         (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
5033         (execute_one_pass): Likewise.
5034         * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
5035         (ix86_function_sseregparm): Likewise.
5036         * arm.c (arm_function_in_section_p): Likewise.
5037         * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
5038         * varpool.c: Update comments.
5039         (decide_is_variable_needed): Remove unit-at-a-time checks.
5040         (varpool_finalize_decl): Likewise.
5041
5042 2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>
5043
5044         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
5045         to 2 instead of -1.
5046         (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.
5047
5048 2008-07-24  Kai Tietz  <kai.tietz@onevision.com>
5049
5050         * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
5051         imp symbol extension.
5052
5053         2008-07-23  Ian Lance Taylor  <iant@google.com>
5054
5055         * tree-vrp.c (infer_value_range): Ignore asm statements when
5056         looking for memory accesses for -fdelete-null-pointer-checks.
5057
5058 2008-07-24  Ben Elliston  <bje@au.ibm.com>
5059
5060         * config/spu/spu-c.c (__vector_keyword): New variable.
5061         (vector_keyword): Likewise.
5062         (spu_categorize_keyword): New function.
5063         (spu_macro_to_expand): Likewise.
5064         (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
5065         compiling an ISO C dialect.
5066
5067 2008-07-24  Ben Elliston  <bje@au.ibm.com>
5068
5069         * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
5070         conventional usage.
5071
5072 2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
5073
5074         * configure: Regenerate.
5075         * configure.ac: Require texinfo 4.7.
5076         * doc/install.texi: Document texinfo 4.7 requirement.
5077
5078 2008-07-23  Martin Jambor  <mjambor@suse.cz>
5079
5080         * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
5081         rather than for DECL_SAVED_TREE.
5082         * ipa-prop.c: Include diagnostic.h.
5083         (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
5084         thoroughly.
5085         (ipa_detect_param_modifications): Function rewritten from scratch.
5086         (ipa_compute_jump_functions): Changed accesses to modification flags.
5087         (ipa_free_node_params_substructures): Update flags destruction.
5088         (ipa_node_duplication_hook): Update flags duplication.
5089         (ipa_print_all_params_modified): Updated flag access.
5090         * ipa-prop.h (struct ipa_param_flags): New structure.
5091         (struct ipa_node_params): New field modification_analysis_done,
5092         modified_flags changed into param_flags.
5093         (ipa_is_ith_param_modified): Changed to use new flags.
5094         * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.
5095
5096         * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
5097         ipa-cp.c and split into two functions.
5098         (ipa_print_node_jump_functions): New function.
5099         (compute_scalar_jump_functions): New function.
5100         (type_like_member_ptr_p): New function.
5101         (compute_pass_through_member_ptrs): New function.
5102         (fill_member_ptr_cst_jump_function): New function.
5103         (determine_cst_member_ptr): New function.
5104         (compute_cst_member_ptr_arguments): New function.
5105         (ipa_compute_jump_functions): Complete rewrite.
5106         * ipa-prop.h (enum jump_func_type): Make explicit that we depend
5107         on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
5108         (struct ipa_member_ptr_cst): New structure.
5109         (union jump_func_value): New field member_cst.
5110         * ipa-cp.c (ipcp_lat_is_insertable): New function.
5111         (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
5112         jump function types.
5113         (ipcp_print_all_lattices): Slight fprintf rearrangement.
5114         (ipcp_print_all_structures): Call ipa_print_all_jump_functions
5115         instead of ipcp_print_all_jump_functions.
5116         (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
5117         only for replacable scalars.
5118
5119         * doc/invoke.texi (Optimize options): Add description of
5120         -findirect-inlining.
5121         * common.opt (flag_indirect_inlining): New flag.
5122         * opts.c (decode_options): Set flag_indirect_inlining when
5123         optimize >= 3.
5124
5125         * ipa-inline.c: Include ipa-prop.h.
5126         (inline_indirect_intraprocedural_analysis): New function.
5127         (inline_generate_summary): Allocate parameter and argument info
5128         structures, call inline_indirect_intraprocedural_analysis on each
5129         node when doing indirect inlining and deallocate indirect inlining
5130         data structures in the end.
5131         * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
5132         (free_all_ipa_structures_after_iinln): New function.
5133         (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
5134         done.
5135         * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.
5136
5137         * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
5138         (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
5139         of computing the frequency separately.
5140         (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
5141         of computing the frequency separately.
5142         * ipa-cp.c (ipcp_print_all_structures): Replace a call to
5143         ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
5144         * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
5145         (ipa_get_stmt_member_ptr_load_param): New function.
5146         (ipa_is_ssa_with_stmt_def): New function.
5147         (ipa_note_param_call): New function.
5148         (ipa_analyze_call_uses): New function.
5149         (ipa_analyze_stmt_uses): New function.
5150         (ipa_analyze_params_uses): New function.
5151         (ipa_free_node_params_substructures): Also free the param_calls linked
5152         list.
5153         (ipa_node_duplication_hook): Also duplicate the param_calls linked list.
5154         (ipa_print_node_param_flags): New function.
5155         (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
5156         (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
5157         * ipa-prop.h (struct ipa_param_flags): New field called.
5158         (struct ipa_param_call_note): New structure.
5159         (struct ipa_node_params): New fields param_calls and
5160         uses_analysis_done.
5161         (ipa_is_ith_param_called): New function.
5162         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
5163         ipa_analyze_params_uses and dump parameter flags.
5164
5165         * ipa-inline.c (cgraph_decide_recursive_inlining): Call
5166         ipa_propagate_indirect_call_infos if performing indirect inlining,
5167         pass a new parameter new_edges to it.
5168         (add_new_edges_to_heap): New fucntion.
5169         (cgraph_decide_inlining_of_small_functions): New vector
5170         new_indirect_edges for newly found indirect edges , call
5171         ipa_propagate_indirect_call_infos after inlining.
5172         (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
5173         inlining if performing indirect inlining.  Call
5174         free_all_ipa_structures_after_iinln when doing so too.
5175         (inline_generate_summary): Do not call
5176         free_all_ipa_structures_after_iinln here.
5177         * ipa-prop.c (update_jump_functions_after_inlining): New function.
5178         (print_edge_addition_message): New function.
5179         (update_call_notes_after_inlining): New function.
5180         (propagate_info_to_inlined_callees): New function.
5181         (ipa_propagate_indirect_call_infos): New function.
5182         * ipa-prop.h: Include cgraph.h
5183         (struct ipa_param_call_note): Fields reordered, new field processed.
5184         * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
5185         flag indirect_call.
5186         * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
5187         rediscovered call statements.
5188         * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
5189         (dump_cgraph_node): Dump also the indirect_call flag.
5190         (cgraph_clone_edge): Copy also the indirect_call flag.
5191         * tree-inline.c (copy_bb): Do not check for fndecls from call
5192         expressions, check for edge availability when moving clones.
5193         (get_indirect_callee_fndecl): New function.
5194         (expand_call_inline): If callee declaration is not apprent from
5195         the statement, try calling get_indirect_callee_fndecl.  Do not
5196         issue warnings or call sorry when not inlinings an indirect edge.
5197         * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.
5198
5199         * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
5200         bit more frandly to matching.
5201         * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
5202         * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
5203         * testsuite/gcc.dg/ipa/modif-1.c: New testcase.
5204
5205 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
5206
5207         PR 36907
5208         * opth-gen.awk: Suppress function specific features when building
5209         target libraries.
5210         * optc-gen.awk: Ditto.
5211
5212 2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5213
5214         PR 35058
5215         * diagnostic.c (pedwarn): Add opt parameter.
5216         (pedwarn0): New.
5217         * c-tree.h (pedwarn_init): Add opt parameter.
5218         (pedwarn_c90): Likewise.
5219         (pedwarn_c99): Likewise.
5220         * c-errors.c (pedwarn_c99): Likewise.
5221         (pedwarn_c90): Likewise.
5222         * toplev.h (pedwarn): Update declaration.
5223         (pedwarn0): Declare.
5224         * c-lex.c: All calls to pedwarn changed.
5225         * builtins.c: All calls to pedwarn changed.
5226         * toplev.c: All calls to pedwarn changed.
5227         * c-decl.c: All calls to pedwarn changed.
5228         * c-typeck.c: All calls to pedwarn changed.
5229         * c-common.c: All calls to pedwarn changed.
5230         * c-parser.c: All calls to pedwarn changed.
5231
5232 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
5233             Karthik Kumar  <karthikkumar@gmail.com>
5234
5235         * attribs.c (file scope): Include c-common.h.
5236         (decl_attributes): Add support for #pragma GCC optimize and
5237         #pragma GCC option.
5238
5239         * targhooks.c (default_can_inline_p): New function that is the
5240         default for the TARGET_CAN_INLINE_P target hook.
5241
5242         * targhooks.h (default_can_inline_p): Add declaration.
5243
5244         * tree.c (cl_optimization_node): New static tree for building
5245         OPTIMIZATION_NODE tree.
5246         (cl_target_option_node): New static tree for building
5247         TARGET_OPTION_NODE tree.
5248         (cl_option_hash_table): New hash table for hashing
5249         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
5250         (cl_option_hash_hash): New function to provide the hash value for
5251         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
5252         (cl_option_hash_eq): New function to provide an equality test for
5253         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
5254         (tree_code_size): Add support for OPTIMIZATION_NODE and
5255         TARGET_OPTION_NODE trees.
5256         (tree_code_structure): Add support for OPTIMIZATION_NODE and
5257         TARGET_OPTION_NODE trees.
5258         (build_optimization_node): Build a tree that has all of the
5259         current optimization options.
5260         (build_target_option_node): Build a tree that has the target
5261         options that might be changed on a per function basis.
5262
5263         * tree.h (file scope): Include options.h.
5264         (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
5265         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
5266         (TREE_OPTIMIZATION): Ditto.
5267         (TREE_TARGET_SPECIFIC): Ditto.
5268         (struct tree_function_decl): Add fields for remembering the
5269         current optimization options and target specific options.
5270         (struct tree_optimization_option): New tree variant that remembers
5271         the optimization options.
5272         (struct tree_target_option): New tree variant that remembers the
5273         target specific flags that might change for compiling a particular
5274         function.
5275         (union tree_node): Include tree_optimization_option and
5276         tree_target_option fields.
5277         (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
5278         TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
5279         TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
5280         TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
5281         TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
5282         optimization and target options.
5283         (optimization_default_node): New macro to refer to global_trees
5284         field.
5285         (optimization_current_node): Ditto.
5286         (optimization_cold_node): Ditto.
5287         (optimization_hot_node): Ditto.
5288         (target_option_default_node): Ditto.
5289         (target_option_current_node): Ditto.
5290         (current_option_pragma): Ditto.
5291         (current_optimize_pragma): Ditto.
5292
5293         * target.h (struct gcc_target): Add valid_option_attribute_p,
5294         target_option_save, target_option_restore, target_option_print,
5295         target_option_pragma_parse, and can_inline_p hooks.
5296
5297         * toplev.h (parse_optimize_options): Add declaration.
5298         (fast_math_flags_struct_set_p): Ditto.
5299
5300         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
5301         adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
5302         optimize is used.
5303
5304         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
5305         tree_can_inline_p hook to see if one function can inline another.
5306         (cgraph_decide_inlining): Ditto.
5307         (cgraph_decide_inlining_incrementally): Ditto.
5308
5309         * opts.c (decode_options): Add support for running multiple times
5310         to allow functions with different target or optimization options
5311         than was specified on the command line.
5312         (fast_math_flags_struct_set_p): New function that is similar to
5313         fast_math_flags_set_p, except it uses the values in the
5314         cl_optimization structure instead of global variables.
5315
5316         * optc-gen.awk: Add support for TargetSave to allow a back end to
5317         declare new fields that need to be saved when using function
5318         specific options.  Include flags.h and target.h in the options.c
5319         source.  Add support for Save to indicate which options can be set
5320         for individual functions.  Generate cl_optimize_save,
5321         cl_optimize_restore, cl_optimize_print, cl_target_option_save,
5322         cl_target_option_restore, cl_target_option_print functions to
5323         allow functions to use different optimization or target options.
5324
5325         * opt-functions.awk (var_type_struct): Return the type used for
5326         storing the field in a structure.
5327
5328         * opth-gen.awk: Add support for TargetSave to allow a back end to
5329         declare new fields that need to be saved when using function
5330         specific options.  Add support for Save to indicate which options
5331         can be set for individual functions.  Only generate one extern for
5332         Mask fields.  Generate cl_optimization and cl_target_option
5333         structures to remember optimization and target options.
5334
5335         * treestruct.def (TS_OPTIMIZATION): Add support for garbage
5336         collecting new tree nodes.
5337         (TS_TARGET_OPTION): Ditto.
5338
5339         * c-decl.c (merge_decls): Merge function specific target and
5340         optimization options.
5341
5342         * function.c (invoke_set_current_function_hook): If the function
5343         uses different optimization options, change the global variables
5344         to reflect this.
5345
5346         * coretypes.h (struct cl_optimization): Add forward reference.
5347         (struct cl_target_option): Ditto.
5348
5349         * c-pragma.c (option_stack): New static vector to remember the
5350         current #pragma GCC option stack.
5351         (handle_pragma_option): New function to support #pragma GCC option
5352         to change target options.
5353         (optimize_stack): New static vector to remember the current
5354         #pragma GCC optimize stack.
5355         (handle_pragma_optimize): New function to support #pragma GCC
5356         optimize to change optimization options.
5357         (init_pragma): Add support for #pragma GCC optimize and #pragma
5358         GCC option.
5359
5360         * tree.def (OPTIMIZATION_NODE): New tree code for remembering
5361         optimization options.
5362         (TARGET_OPTION_NODE): New tree code for remembering certain target
5363         options.
5364
5365         * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
5366         TARGET_OPTION_NODE trees.
5367
5368         * common.opt (-O): Add Optimization flag.
5369         (-Os): Ditto.
5370         (-fmath-errno): Ditto.
5371         (-falign-functions): Add UInteger flag to make sure flag gets full
5372         int in cl_optimization structure.
5373         (-falign-jumps): Ditto.
5374         (-falign-labels): Ditto.
5375         (-falign-loops): Ditto.
5376         (-fsched-stalled-insns): Ditto.
5377         (-fsched-stalled-insns-dep): Ditto.
5378
5379         * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
5380         definition.
5381         (TARGET_OPTION_SAVE): Ditto.
5382         (TARGET_OPTION_RESTORE): Ditto.
5383         (TARGET_OPTION_PRINT): Ditto.
5384         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
5385         (TARGET_CAN_INLINE_P): Ditto.
5386         (TARGET_INITIALIZER): Add new hooks.
5387
5388         * tree-inline.c (tree_can_inline_p): New function to determine
5389         whether one function can inline another.  Check if the functions
5390         use compatible optimization options, and also call the backend
5391         can_inline_p hook.
5392
5393         * tree-inline.h (tree_can_inline_p): Add declaration.
5394
5395         * c-common.c (c_common_attribute): Add support for option and
5396         optimize attributes.
5397         (handle_option_attribute): Add support for the option attribute to
5398         allow the user to specify different target options for compiling a
5399         specific function.
5400         (handle_optimize_attribute): Add support for the optimize
5401         attribute to allow the user to specify different optimization
5402         options for compiling a specific function.
5403         (handle_hot_attribute): Turn on -O3 optimization for this one
5404         function if it isn't the default optimization level.
5405         (handle_cold_attribute): Turn on -Os optimization for this one
5406         function if it insn't the default optimization.
5407         (const_char_p): New const char * typedef.
5408         (optimize_args): New static vector to remember the optimization
5409         arguments.
5410         (parse_optimize_options): New function to set up the optimization
5411         arguments from either the optimize attribute or #pragma GCC optimize.
5412
5413         * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
5414         (builtin_define_std): Ditto.
5415
5416         * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
5417         Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
5418         (x86_64-*-*): Ditto.
5419
5420         * Makefile.in (TREE_H): Add options.h.
5421         (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.
5422
5423         * doc/extend.texi (option attribute): Document new attribute.
5424         (optimize attribute): Ditto.
5425         (hot attribute): Document hot attribute sets -O3.
5426         (cold attribute): Document cold attribute sets -Os.
5427         (#pragma GCC option): Document new pragma.
5428         (#pragma GCC optimize): Ditto.
5429
5430         * doc/options.texi (TargetSave): Document TargetSave syntax.
5431         (UInteger): Document UInteger must be used for certain flags.
5432         (Save): Document Save option to create target specific options
5433         that can be saved/restored on a function specific context.
5434
5435         * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
5436         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
5437
5438         * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
5439         (TARGET_OPTION_SAVE): Ditto.
5440         (TARGET_OPTION_RESTORE): Ditto.
5441         (TARGET_OPTION_PRINT): Ditto.
5442         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
5443         (TARGET_CAN_INLINE_P): Ditto.
5444
5445         * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
5446         -mfpmath=sse,387.
5447         (-mfpmath=both): Ditto.
5448
5449 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
5450             Karthik Kumar  <karthikkumar@gmail.com>
5451
5452         * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
5453         (TARGET_POPCNT): Ditto.
5454         (TARGET_SAHF): Ditto.
5455         (TARGET_AES): Ditto.
5456         (TARGET_PCLMUL): Ditto.
5457         (TARGET_CMPXCHG16B): Ditto.
5458         (TARGET_RECIP): Move switch into target_flags.
5459         (TARGET_FUSED_MADD): Ditto.
5460         (ix86_arch_features): Make an unsigned char type.
5461         (ix86_tune_features): Ditto.
5462         (OVERRIDE_OPTIONS): Add bool argument to override_options call.
5463         (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
5464         (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.
5465
5466         * config/i386/i386.opt (arch): New TargetSave field to define
5467         fields that need to be saved for function specific option support.
5468         (tune): Ditto.
5469         (fpmath): Ditto.
5470         (branch_cost): Ditto.
5471         (ix86_isa_flags_explicit): Ditto.
5472         (tune_defaulted): Ditto.
5473         (arch_specified): Ditto.
5474         (-m128-long-double): Add Save flag to save option for target
5475         specific option support.
5476         (-m80387): Ditto.
5477         (-maccumulate-outgoing-args): Ditto.
5478         (-malign-double): Ditto.
5479         (-malign-stringops): Ditto.
5480         (-mfancy-math-387): Ditto.
5481         (-mhard-float): Ditto.
5482         (-mieee-fp): Ditto.
5483         (-minline-all-stringops): Ditto.
5484         (-minline-stringops-dynamically): Ditto.
5485         (-mms-bitfields): Ditto.
5486         (-mno-align-stringops): Ditto.
5487         (-mno-fancy-math-387): Ditto.
5488         (-mno-push-args): Ditto.
5489         (-mno-red-zone): Ditto.
5490         (-mpush-args): Ditto.
5491         (-mred-zone): Ditto.
5492         (-mrtd): Ditto.
5493         (-msseregparm): Ditto.
5494         (-mstack-arg-probe): Ditto.
5495         (-m32): Ditto.
5496         (-m64): Ditto.
5497         (-mmmx): Ditto.
5498         (-m3dnow): Ditto.
5499         (-m3dnowa): Ditto.
5500         (-msse): Ditto.
5501         (-msse2): Ditto.
5502         (-msse3): Ditto.
5503         (-msse4.1): Ditto.
5504         (-msse4.2): Ditto.
5505         (-msse4): Ditto.
5506         (-mno-sse4): Ditto.
5507         (-msse4a): Ditto.
5508         (-msse5): Ditto.
5509         (-mrecip): Move flag into target_flags.
5510         (-mcld): Ditto.
5511         (-mno-fused-madd): Ditto.
5512         (-mfused-madd): Ditto.
5513         (-mabm): Move flag into ix86_isa_flags.
5514         (-mcx16): Ditto.
5515         (-mpopcnt): Ditto.
5516         (-msahf): Ditto.
5517         (-maes): Ditto.
5518         (-mpclmul): Ditto.
5519
5520         * config/i386/i386-c.c: New file for #pragma support.
5521         (ix86_target_macros_internal): New function to #define or #undef
5522         target macros based when the user uses the #pragma GCC option to
5523         change target options.
5524         (ix86_pragma_option_parse): New function to add #pragma GCC option
5525         support.
5526         (ix86_target_macros): Move defining the target macros here from
5527         TARGET_CPU_CPP_BUILTINS in i386.h.
5528         (ix86_register_pragmas): Register the #pragma GCC option hook.  If
5529         defined, initialize any subtarget #pragmas.
5530
5531         * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
5532         REGISTER_TARGET_PRAGMAS.
5533
5534         * config/i386/t-i386: New file for x86 dependencies.
5535         (i386.o): Make dependencies mirror the include files used.
5536         (i386-c.o): New file, add dependencies.
5537
5538         * config/i386/i386-protos.h (override_options): Add bool argument.
5539         (ix86_valid_option_attribute_tree): Add declaration.
5540         (ix86_target_macros): Ditto.
5541         (ix86_register_macros): Ditto.
5542
5543         * config/i386/i386.c (ix86_tune_features): Move initialization of
5544         the target masks to initial_ix86_tune_features to allow functions
5545         to have different target options.  Make type unsigned char,
5546         instead of unsigned int.
5547         (initial_ix86_tune_features): New static vector to hold processor
5548         masks for the tune variables.
5549         (ix86_arch_features): Move initialization of the target masks to
5550         initial_ix86_arch_features to allow functions to have different
5551         target options.  Make type unsigned char, instead of unsigned int.
5552         (initial_ix86_arch_features): New static vector to hold processor
5553         masks for the arch variables.
5554         (enum ix86_function_specific_strings): New enum to describe the
5555         string options used for attribute((option(...))).
5556         (ix86_target_string): New function to return a string that
5557         describes the target options.
5558         (ix86_debug_options): New function to print the current options in
5559         the debugger.
5560         (ix86_function_specific_save): New function hook to save the
5561         function specific global variables in the cl_target_option structure.
5562         (ix86_function_specific_restore): New function hook to restore the
5563         function specific variables from the cl_target_option structure to
5564         the global variables.
5565         (ix86_function_specific_print): New function hook to print the
5566         target specific options in the cl_target_option structure.
5567         (ix86_valid_option_attribute_p): New function hook to validate
5568         attribute((option(...))) arguments.
5569         (ix86_valid_option_attribute_tree): New function that is common
5570         code between attribute((option(...))) and #pragma GCC option
5571         support that parses the options and returns a tree holding the options.
5572         (ix86_valid_option_attribute_inner_p): New helper function for
5573         ix86_valid_option_attribute_tree.
5574         (ix86_can_inline_p): New function hook to decide if one function
5575         can inline another on a target specific basis.
5576         (ix86_set_current_function); New function hook to switch target
5577         options if the user used attribute((option(...))) or #pragma GCC
5578         option.
5579         (ix86_tune_defaulted): Move to static file scope from
5580         override_options.
5581         (ix86_arch_specified): Ditto.
5582         (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
5583         ix86_isa_flags.
5584         (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
5585         (OPTION_MASK_ISA_ABM_SET): Ditto.
5586         (OPTION_MASK_ISA_POPCNT_SET): Ditto.
5587         (OPTION_MASK_ISA_CX16_SET): Ditto.
5588         (OPTION_MASK_ISA_SAHF_SET): Ditto.
5589         (OPTION_MASK_ISA_AES_UNSET): Ditto.
5590         (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
5591         (OPTION_MASK_ISA_ABM_UNSET): Ditto.
5592         (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
5593         (OPTION_MASK_ISA_CX16_UNSET): Ditto.
5594         (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
5595         (struct ptt): Move to static file scope from override_options.
5596         (processor_target_table): Ditto.
5597         (cpu_names): Ditto.
5598         (ix86_handle_option): Add support for options that are now isa options.
5599         (override_options): Add support for declaring functions that
5600         support different target options than were specified on the
5601         command line.  Move struct ptt, processor_target_table, cpu_names,
5602         ix86_tune_defaulted, ix86_arch_specified to static file scope.
5603         Add bool argument.  Fix up error messages so the appropriate error
5604         is given for either command line or attribute.
5605         (ix86_previous_fndecl): New static to remember previous function
5606         declaration to see if we need to change target options.
5607         (ix86_builtins_isa): New array to record the ISA of each builtin
5608         function.
5609         (def_builtin): Always create the builtin function, even if the
5610         current ISA doesn't support it.
5611         (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
5612         tests for those builtins.
5613         (ix86_init_builtins): Remove TARGET_MMX test for calling
5614         ix86_init_mmx_sse_builtins.
5615         (ix86_expand_builtin): If the current ISA doesn't support a given
5616         builtin, signal an error.
5617         (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
5618         (TARGET_SET_CURRENT_FUNCTION): Ditto.
5619         (TARGET_OPTION_SAVE): Ditto.
5620         (TARGET_OPTION_RESTORE): Ditto.
5621         (TARGET_OPTION_PRINT): Ditto.
5622         (TARGET_CAN_INLINE_P): Ditto.
5623
5624 2008-07-22  Rafael Avila de Espindola  <espindola@google.com>
5625
5626         * c-typeck.c (build_external_ref): Don't call assemble_external.
5627         * final.c (output_operand): Call assemble_external.
5628
5629 2008-07-21  DJ Delorie  <dj@redhat.com>
5630
5631         * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
5632         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
5633
5634 2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5635
5636         * config/spu/spu.md ("div<mode>3"): Convert into expander, move
5637         original insn and splitter contents into ...
5638         ("*div<mode>3_fast"): ... this new pattern.  Enable only if
5639         flag_unsafe_math_optimizations.  Add dummy scratch register.
5640         ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
5641         !flag_unsafe_math_optimizations.  Returns number with next
5642         highest magnitude if this is still less or equal to the true
5643         quotient in magnitude.
5644
5645 2008-07-21  Rafael Avila de Espindola  <espindola@google.com>
5646
5647         * Makefile.in: Replace toplev.h with TOPLEV_H.
5648         * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
5649         * c-lex.c (fe_file_change): Don't set in_system_header.
5650         * c-parser.c (c_token): Remove in_system_header.
5651         (c_lex_one_token): Don't set in_system_header.
5652         (c_parser_set_source_position_from_token): Don't set in_system_header.
5653         * diagnostic.c (diagnostic_report_diagnostic): Use location from
5654         diagnostic_info.
5655         (warning_at): New.
5656         * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
5657         * flags.h (in_system_header): Remove.
5658         * function.c (saved_in_system_header): Remove.
5659         (push_cfun): Don't set in_system_header.
5660         (pop_cfun): Don't set in_system_header.
5661         (push_struct_function): Don't set in_system_header.
5662         * input.h (expanded_location): Add sysp.
5663         (in_system_header_at): New.
5664         (in_system_header): New.
5665         * toplev.c (in_system_header): Remove.
5666         * toplev.h: Include input.h
5667         (warning_at): New.
5668         * tree-cfg.c (execute_warn_function_return): Call warning_at.
5669         * tree-ssa.c (warn_uninit): Call warning_at.
5670         (warn_uninitialized_var): Update calls to warn_uninit.
5671         (warn_uninitialized_phi): Update calls to warn_uninit.
5672         * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
5673         (expand_location): Initialize xloc.sysp.
5674         * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
5675         (tree_decl_with_vis): Remove in_system_header_flag.
5676
5677 2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>
5678
5679         PR target/36822
5680         * recog.c (asm_operand_ok): Change the order of the extra
5681         memory constraint checks.
5682
5683 2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5684
5685         PR tree-opt/36879
5686         * tree-switch-conversion.c (build_one_array): Call
5687         varpool_mark_needed_node and varpool_finalize_decl
5688         instead of assemble_variable.
5689
5690 2008-07-19  Jan Hubicka  <jh@suse.cz>
5691
5692         * cgraph.c (cgraph_add_new_function): Do early local passes.
5693         * tree-nrv.c (gate_pass_return_slot): New gate.
5694         (pass_nrv): Add the gate.
5695         * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
5696         functions.
5697         (coalesce_ssa_name): Coalesce SSA names.
5698         * tree-ssa-live.c (remove_unused_locals): Be more conservative when
5699         not optimizing so unused user vars remains visible.
5700         * common.opt (flag_tree_ter): Always enable by default.
5701         * tree-ssa-ter.c: Include flags.h
5702         (is_replaceable_p): Check that locations match; when aliasing is missing
5703         be conservative about loads.
5704         * tree-optimize.c (gate_init_datastructures): Remove.
5705         (pass_init_datastructures): New.
5706         * passes.c: Reorder passes so we always go into SSA.
5707
5708 2008-07-19  Jan Hubicka  <jh@suse.cz>
5709
5710         * doc/extend.texi (flatten attribute): Remove note about unit-at-a-time
5711         * doc/invoke.texi (--combine): Likewise.
5712         (-finline-functions-called-once): Update levels when enabled.
5713         (-funit-at-a-time): Document new behaviour.
5714         (-ftoplevel-reorder): Document that it is enabled -O0 and imply
5715         -fno-section-anchors when disabled explicitly.
5716         (inline params): They are not ignored now.
5717         (precompiled headers): Remove unit-at-a-time as being incompatible.
5718         * opts.c (decode_options): Handle unit-at-a-time as alias;
5719         imply -fno-section-anchors when toplevel reorder is disabled
5720         explicitly.
5721         * common.opt (ftoplevel-reorder): Set default value to 2.
5722         (funit-at-a-time): Set default value to 1.
5723         * config/rs6000/rs6000.c (optimization_options): Set section anchors
5724         to 2.
5725
5726 2008-07-19  Jan Hubicka  <jh@suse.cz>
5727
5728         * builtins.c (expand_builtin_int_roundingfn,
5729         expand_builtin_int_roundingfn_2): Do not take subtarget argument;
5730         it is not useful.
5731
5732 2008-07-19  Richard Guenther  <rguenther@suse.de>
5733
5734         PR bootstrap/36864
5735         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
5736         * tree-ssa-sccvn.c (get_constant_value_id): New function.
5737         * tree-ssa-pre.c (get_expr_value_id): For newly created
5738         constant value-ids make sure to add the expression to its
5739         expression-set.
5740
5741 2008-07-19  Jakub Jelinek  <jakub@redhat.com>
5742
5743         PR middle-end/36877
5744         * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
5745         return value of the builtin is ignored.
5746
5747 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5748
5749         * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
5750         bits, a C conformant malloc implementation has to provide.
5751         * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.
5752
5753 2008-07-19  Joseph Myers  <joseph@codesourcery.com>
5754
5755         PR target/36780
5756         PR target/36827
5757         * reload.c (find_reloads_subreg_address): Only reload address if
5758         reloaded == 0, not for reloaded != 1.
5759
5760         Revert:
5761         2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5762         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5763         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5764         m32c_legitimize_reload_address.
5765
5766         2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5767         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5768         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5769
5770 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5771
5772         * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
5773         argument, saying whether nested array are to be collapsed
5774         into a single array type DIE with multiple subscripts.
5775         (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
5776         issues, centralize the nested array types collapsing control and
5777         disable the transformation for Ada.
5778
5779 2008-07-18  Uros Bizjak  <ubizjak@gmail.com>
5780
5781         PR target/36786
5782         * config/i386/i386.md (x86_64_shift_adj_1): Rename from
5783         x86_64_shift_adj.
5784         (x86_64_shift_adj_2): New expander.
5785         (x86_64_shift_adj_3): Ditto.
5786         * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
5787         to split TImode operands.
5788         (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
5789         (ix86_split_lshr): Ditto.
5790
5791 2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>
5792
5793         * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
5794         and __CHAR32_TYPE__.
5795         * c-typeck.c (digest_init): Support char16_t and char32_t.
5796         (set_nonincremental_init_from_string): Idem.
5797
5798 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5799
5800         PR middle-end/36859
5801         * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
5802         PREFERRED_STACK_BOUNDARY.
5803         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5804
5805 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5806
5807         PR middle-end/36858
5808         * function.c (locate_and_pad_parm): Cap boundary earlier.
5809
5810 2008-07-17  Julian Brown  <julian@codesourcery.com>
5811
5812         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
5813         no-op for targets which don't use DLLs.
5814
5815 2008-07-17  Martin Jambor  <mjambor@suse.cz>
5816
5817         * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
5818         that nodes are relevant by examining the node->analyzed flag.
5819         (ipcp_init_stage): Check which nodes are relevant, assert that the
5820         relevant ones are also required.
5821         (ipcp_propagate_stage): Check on the side arrays are properly
5822         allocated.
5823         (ipcp_print_all_jump_functions): Make sure not to touch any node
5824         that is not analyzed or an edge that does not have a corresponding
5825         entry in the on-the-side vectors.
5826         (ipcp_function_scale_print): Likewise.
5827         (ipcp_update_callgraph): Check that the node is relevant.
5828         (ipcp_insert_stage): Check that the node is relevant.  Check there is
5829         an info for every node and edge.
5830         * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
5831         (ipa_print_all_tree_maps): Likewise and a new variable info.
5832         (ipa_print_all_params_modified): Likewise.
5833         * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.
5834
5835 2008-07-17  Roman Zippel <zippel@linux-m68k.org>
5836
5837         PR target/25343
5838         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
5839
5840 2008-07-17  Paolo Bonzini  <bonzini@gnu.org>
5841
5842         PR rtl-optimization/36753
5843         * fwprop.c (use_killed_between): Don't shortcut
5844         single-definition global registers.
5845
5846 2008-07-16  Jan Hubicka  <jh@suse.cz>
5847
5848         * cgraph.h (varpool_empty_needed_queue): Declare.
5849         * cgraphunit.c (output_in_order): Mark all variables as needed;
5850         empty the queue.
5851         * varpool.c (varpool_assemble_node): Update debug queue.
5852         (varpool_assemble_pending_decls): Don't do it here.
5853         (varpool_empty_needed_queue):  New function.
5854
5855 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5856
5857         * recog.c (peephole2_optimize): Fix formatting.
5858
5859 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5860
5861         * c-pch.c (get_ident): Avoid C++ keywords.
5862         * combine-stack-adj.c (single_set_for_csa): Likewise.
5863         * final.c (asm_insn_count, final_scan_insn, alter_subreg,
5864         output_asm_insn): Likewise.
5865         * reload.c (push_secondary_reload, find_reusable_reload,
5866         push_reload, combine_reloads, find_reloads,
5867         debug_reload_to_stream): Likewise.
5868         * reload.h (struct reload): Likewise.
5869         * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
5870         allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
5871         emit_output_reload_insns): Likewise.
5872         * targhooks.c (default_secondary_reload): Likewise.
5873         * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.
5874
5875 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5876
5877         * recog.c (validate_change_1, validate_change,
5878         validate_unshare_change, validate_replace_rtx_1, struct
5879         funny_match, constrain_operands, peephole2_optimize): Avoid C++
5880         keywords.
5881         * reload.c (push_secondary_reload, secondary_reload_class,
5882         scratch_reload_class, find_valid_class, find_reusable_reload,
5883         push_reload, find_dummy_reload, find_reloads_address_1,
5884         find_reloads_address_part, find_equiv_reg): Likewise.
5885         * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
5886         choose_reload_regs): Likewise.
5887         * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
5888         Likewise.
5889         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
5890         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5891         * sched-rgn.c (concat_INSN_LIST): Likewise.
5892         * stor-layout.c (mode_for_size, mode_for_size_tree,
5893         smallest_mode_for_size): Likewise.
5894
5895 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5896
5897         * cfg.c (dump_reg_info): Avoid C++ keywords.
5898         * dwarf2asm.c (dw2_force_const_mem,
5899         dw2_asm_output_encoded_addr_rtx): Likewise.
5900         * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
5901         * expmed.c (expand_shift): Likewise.
5902         * global.c (find_reg): Likewise.
5903         * graph.c (draw_edge): Likewise.
5904         * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
5905         * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
5906         widen_clz, widen_bswap, expand_parity, expand_unop,
5907         emit_cmp_and_jump_insn_1): Likewise.
5908         * postreload.c (reload_cse_simplify_operands): Likewise.
5909         * ra.h (add_neighbor): Likewise.
5910         * reg-stack.c (remove_regno_note, change_stack): Likewise.
5911         * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
5912         record_reg_classes, copy_cost, record_address_regs,
5913         invalid_mode_change_p): Likewise.
5914         * regrename.c (regrename_optimize, scan_rtx_reg,
5915         dump_def_use_chain, find_oldest_value_reg,
5916         replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.
5917
5918 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5919
5920         * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
5921         MASK_POWERPC64 for power4 in previous commit.
5922
5923 2008-07-16  Olivier Hainque  <hainque@adacore.com>
5924
5925         * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
5926         instead of bare conversion to cast const-ness away.
5927
5928 2008-07-16  Anatoly Sokolov  <aesok@post.ru>
5929
5930         * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
5931         XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
5932         * config/xtensa/xtensa.c (xtensa_function_value): New function.
5933         (TARGET_FUNCTION_VALUE): Define.
5934
5935 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5936
5937         * config/rs6000/rs6000.c (processor_target_table): Add
5938         MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.
5939
5940 2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5941
5942         PR target/36827
5943         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5944         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5945         m32c_legitimize_reload_address.
5946
5947 2007-07-16  Rafael Avila de Espindola  <espindola@google.com>
5948
5949         * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
5950         DECL_IN_SYSTEM_HEADER in sync.
5951
5952 2008-07-15  Daniel Berlin  <dberlin@dberlin.org>
5953
5954         * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
5955         * tree-ssa-pre.c (pre_expr_eq): Ditto
5956         (get_constant_for_value_id): Take a type as an argument.
5957         (fully_constant_expression): Pass in type.
5958         (find_or_generate_expression): Short circuit constant case.
5959         (create_expression_by_pieces): Remove special casing of
5960         pointer_plus.
5961         (do_regular_insertion): Short circuit constant case.
5962         (do_partial_partial_insertion): Ditto.
5963
5964 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5965
5966         PR target/36782
5967         * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.
5968
5969 2008-07-15  Bob Wilson  <bob.wilson@acm.org>
5970
5971         * config/xtensa/libgcc-xtensa.ver: New file.
5972         * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
5973
5974 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5975
5976         * df-problems.c (df_set_note): Avoid C++ keywords.
5977         * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
5978         * dse.c (record_store, remove_useless_values): Likewise.
5979         * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
5980         gen_reg_rtx_offset, operand_subword, change_address_1,
5981         change_address, adjust_address_1, offset_address,
5982         widen_memory_access, emit_copy_of_insn_after): Likewise.
5983         * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
5984         * fwprop.c (should_replace_address, propagate_rtx_1,
5985         propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
5986         Likewise.
5987         * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
5988         gcse_emit_move_after, update_ld_motion_stores): Likewise.
5989         * lcm.c (compute_insert_delete, pre_edge_lcm,
5990         compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
5991         * lower-subreg.c (resolve_reg_notes): Likewise.
5992         * mode-switching.c (optimize_mode_switching): Likewise.
5993
5994 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5995
5996         * bt-load.c (add_btr_def, migrate_btr_def,
5997         branch_target_load_optimize): Avoid C++ keywords.
5998         * caller-save.c (insert_restore, insert_save, insert_one_insn):
5999         Likewise.
6000         * combine.c (subst, simplify_set, make_extraction,
6001         make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
6002         * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
6003         fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.
6004
6005 2008-07-15  Richard Guenther  <rguenther@suse.de>
6006
6007         PR middle-end/36369
6008         * c-common.c (strict_aliasing_warning): Do not warn for
6009         TYPE_REF_CAN_ALIAS_ALL pointers.
6010         (c_common_get_alias_set): may_alias types are not special.
6011         * tree.c (build_pointer_type_for_mode): Look up the may_alias
6012         attribute and set can_ref_all accordingly.
6013         (build_reference_type_for_mode): Likewise.
6014         * doc/extend.texi (may_alias): Clarify.
6015
6016 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
6017
6018         PR target/36780
6019         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
6020         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
6021
6022 2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6023
6024         PR target/31568
6025         * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
6026         gcc_assert, instead call output_operand_lossage.
6027
6028 2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
6029
6030         * builtins.c (std_canonical_va_list): Treat structure based
6031         va_list types.
6032
6033 2008-07-15  Ben Elliston  <bje@au.ibm.com>
6034
6035         * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.
6036
6037 2007-07-14  Rafael Avila de Espindola  <espindola@google.com>
6038
6039         * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
6040         is set.
6041
6042 2008-07-14  Jan Hubicka  <jh@suse.cz>
6043
6044         * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
6045         * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
6046         fix predicates and constraints.
6047         * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
6048         * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.
6049
6050 2008-07-14  Doug Kwan  <dougkwan@google.com>
6051
6052         * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
6053         additional option file arm/eabi.opt.
6054         * config/arm/eabi.h (File): New configuration file for EABI targets.
6055         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
6056         SUBSUBTARGET_EXTRA_SPECS.
6057         (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
6058         * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
6059         from STARTFILE_SPEC so that it can be referenced in an override.
6060         (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
6061         (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
6062         can be referenced in an override.
6063         (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
6064         * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
6065         so that it can be referenced in an override.
6066         (LINK_SPEC): Use BPABI_LINK_SPEC.
6067         * config/arm/eabi.opt (File): New.
6068
6069 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6070
6071         * Makefile.in (TARGET_DEF_H): Add targhooks.h.
6072         (FIXED_VALUE_H): New variable.
6073         (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
6074         input.h, fixed-value.h.
6075         (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
6076         (BASIC_BLOCK_H): Use $(BITMAP_H).
6077         (FUNCTION_H): Add varray.h.
6078         (IPA_REFERENCE_H): Use $(BITMAP_H).
6079         (CGRAPH_H): Add $(BASIC_BLOCK_H).
6080         (DF_H): Use $(BITMAP_H).
6081         (GGC_H): Add statistics.h.
6082         (INSN_ADDR_H): New.
6083         (INSN_ATTR_H): Use it.
6084         (SYSTEM_H): Add safe-ctype.h, filenames.h.
6085         (INPUT_H): New.
6086         (SYMTAB_H): Add $(OBSTACK_H).
6087         (CPP_INTERNAL_H): New.
6088         (TREE_DUMP_H): Add tree-pass.h.
6089         (TREE_FLOW_H): Use $(BITMAP_H)
6090         (PRETTY_PRINT_H): Use $(INPUT_H).
6091         (EBITMAP_H): Rename from typo-ed EBIMAP_H.
6092         (GSTAB_H): New.
6093         (BITMAP_H): New.
6094         (many object files): Fix lots of header dependencies throughout.
6095
6096 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6097
6098         * Makefile.in (write_entries_to_file, write_entries_to_file_split):
6099         New macros.
6100         (s-gtyp-input): Use them to write tmp-gi.list.
6101         (echo_to_gi.list): Remove.
6102
6103 2008-07-14  Richard Guenther  <rguenther@suse.de>
6104
6105         * tree-ssa-sccvn.c (pre_info): Remove.
6106         (switch_to_PRE_table): Likewise.
6107         (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
6108         (set_hashtable_value_ids): Do not create value-ids for the
6109         optimistic tables.
6110         (run_scc_vn): Remove double test.  Remove bogus special-case
6111         in value-number printing.
6112         * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
6113         * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
6114         SSA_NAME_VALUE.
6115         * tree-flow-inline.h (get_value_handle): Remove.
6116         * tree-flow.h (get_value_handle): Remove.
6117
6118 2008-07-14  Martin Jambor  <mjambor@suse.cz>
6119
6120         * tree-switch-conversion.c (gen_inbound_check): Make sure the type
6121         in which we generate arithmetics is not a subrange.
6122
6123 2008-07-14  Martin Jambor  <mjambor@suse.cz>
6124
6125         * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.
6126
6127 2008-07-14  Richard Guenther  <rguenther@suse.de>
6128
6129         * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.
6130
6131 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
6132
6133         PR target/36745
6134         * config/s390/s390.c: (s390_secondary_reload): Add a secondary
6135         reload for symbol refs moved to r0 with -fPIC.
6136         (legitimize_pic_address): Use the target register as temporary
6137         reg if possible.
6138         (emit_symbolic_move): Adjust comment.
6139         * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
6140         New expanders.
6141
6142 2008-07-14  Ben Elliston  <bje@au.ibm.com>
6143
6144         * c-common.h (C_CPP_HASHNODE): New macro.
6145         * coretypes.h (struct cpp_token): Forward declare.
6146         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
6147         the context-sensitive keyword method.
6148         * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
6149         __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
6150         expand_bool_pixel): New.
6151         (altivec_categorize_keyword): New function.
6152         (init_vector_keywords): New function.
6153         (rs6000_macro_to_expand): Likewise.
6154         (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
6155         compiling an ISO C dialect.
6156
6157 2008-07-13  Daniel Berlin  <dberlin@dberlin.org>
6158
6159         * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
6160         (create_expression_by_pieces): Fix typo.
6161         (do_regular_insertion): Use debug counter here too.
6162
6163 2008-07-14  Hans-Peter Nilsson  <hp@axis.com>
6164
6165         PR target/35492.
6166         * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
6167         CONST_OK_FOR_LETTER_P.  All port-local users changed.
6168         (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
6169         implement Kp matching power-of-two.
6170         (CONSTRAINT_LEN): Define to match.
6171         * config/cris/cris.md: Replace all use of constraint K with Kc.
6172         ("*btst*): Use Kp for operand 0 of last alternative.
6173
6174 2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6175
6176         PR testsuite/36440
6177         * tree-call-cdce.c (check_target_format): Accept MIPS single, double
6178         and quad formats.
6179
6180 2008-07-13  Jan Hubicka  <jh@suse.cz>
6181
6182         * tree.c (decl_assembler_name_equal): Expect assembler name of decl
6183         to be mangled too.
6184
6185 2008-07-13  Richard Guenther  <rguenther@suse.de>
6186
6187         PR middle-end/36811
6188         * langhooks.c (lhd_print_error_function): Deal with recursive
6189         BLOCK trees.
6190
6191 2008-07-12  Jan Hubicka  <jh@suse.cz>
6192
6193         * cgraph.c (assembler_name_hash): New static var.
6194         (hash_node_by_assembler_name, eq_assembler_name): New.
6195         (cgraph_node_for_asm): Use hashtable.
6196         (cgraph_remove_node): Maintain hashtable.
6197         (change_decl_assembler_name): Sanity check that names are not changing
6198         after aliasing was processed.
6199         * cgraph.h (varpoon_node): Add next GGC marker.
6200         * tree.c (decl_assembler_name_equal): Constify.
6201         (decl_assembler_name_hash): New.
6202         * tree.h (decl_assembler_name_equal): Constify.
6203         (decl_assembler_name_hash): Update.
6204
6205 2008-07-12  David Daney  <ddaney@avtrex.com>
6206
6207         * config/mips/driver-native.c (host_detect_local_cpu): Handle
6208         sb1 and r5000 cpus.
6209
6210 2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
6211
6212         * doc/md.texi: Document the MIPS "v" constraint.
6213         * config/mips/mips.h (reg_class): Revert last change.
6214         (REG_CLASS_NAMES): Likewise.
6215         (REG_CLASS_CONTENTS): Likewise.
6216         * config/mips/mips.c (mips_regno_to_class): Likewise.
6217         * config/mips/constraints.md (v): Likewise, but add documentation.
6218         Add a comment to say that this constraint should not be used in
6219         gcc code.
6220
6221 2008-07-11  DJ Delorie  <dj@redhat.com>
6222
6223         * config/h8300/h8300.md (length): Fix branch offset limit.
6224
6225 2008-07-11  Anatoly Sokolov  <aesok@post.ru>
6226
6227         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
6228         * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
6229         (avr_hard_regno_scratch_ok): New function.
6230         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
6231         * config/avr/avr.md (all peepholes that request a scratch register):
6232         Remove avr_peep2_scratch_safe use.
6233
6234 2008-07-11  Tom Tromey  <tromey@redhat.com>
6235             Ian Lance Taylor  <iant@google.com>
6236
6237         * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
6238         (struct c_common_resword): Define.
6239         (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
6240         (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
6241         (c_common_reswords, num_c_common_reswords): Declare.
6242         * c-common.c (c_common_reswords): New global const array.
6243         (num_c_common_reswords): New const int.
6244         * c-parser.c (struct resword, reswords): Don't define.
6245         (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
6246         (c_parse_init): Clarify mask code.  Use c_common_reswords rather
6247         than reswords.  If warning about C++ keywords, give them a special
6248         RID code.
6249         (c_lex_one_token): Warn about C++ keywords.  Call
6250         objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
6251         (c_parser_external_declaration): Look for RID_xxx rather than
6252         RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
6253         (c_parser_statement_after_labels): Likewise.
6254         (c_parser_objc_class_instance_variables): Likewise.
6255         (c_parser_objc_class_declaration): Likewise.
6256         (c_parser_objc_try_catch_statement): Likewise.
6257         * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
6258         (declspecs_add_type): Likewise.
6259
6260 2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>
6261
6262         * ggc-page.c (alloc_page):
6263         Substituting xmalloc, xcalloc with
6264         XNEWVEC and XCNEWVAR macros which add the
6265         needed casts.
6266
6267 2008-07-11  Richard Guenther  <rguenther@suse.de>
6268
6269         PR tree-optimization/36765
6270         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6271         aliases from HEAP vars to SMTs.
6272
6273 2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6274
6275         * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
6276         * configure.ac (loose_warn): Move -Wc++-compat from here...
6277         (strict_warn): ...to here.
6278         * configure: Regenerate.
6279
6280 2008-07-10  Joseph Myers  <joseph@codesourcery.com>
6281
6282         * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
6283         i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
6284         m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
6285         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
6286         excluding more specific h8300-*-* and sh-*-* targets.
6287
6288 2008-07-10  Daniel Berlin  <dberlin@dberlin.org>
6289
6290         * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
6291         (eliminate): Ditto.
6292         (execute_pre): Call loop_optimizer_finalize in early exit.
6293
6294 2008-07-10  Jakub Jelinek  <jakub@redhat.com>
6295
6296         PR middle-end/36790
6297         * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
6298         uids in the bitmap, not just VAR_DECL uids.
6299
6300         PR rtl-optimization/36419
6301         * combine-stack-adj.c (adjust_frame_related_expr): New function.
6302         (combine_stack_adjustments_for_block): Call it if needed.  Delete
6303         correct insn.
6304         * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
6305         DW_CFA_GNU_args_size if CSA pass merged some adjustments into
6306         prologue sp adjustment.
6307
6308 2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
6309
6310         PR other/28322
6311         * opts.c (print_ignored_options): Report postponed diagnostics for
6312         unknown -Wno-* options as warnings, not errors.
6313         (postpone_unknown_option_error): Renamed to...
6314         (postpone_unknown_option_warning): ... this.
6315
6316 2008-07-09  Doug Kwan  <dougkwan@google.com>
6317
6318         Revert:
6319         2008-07-08  Doug Kwan  <dougkwan@google.com>
6320
6321         * config/arm/arm.opt (mandroid): New option.
6322         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
6323         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
6324         (CC1_SPEC): Same.
6325         (CC1PLUS_SPEC): Same.
6326         (LIB_SPEC): Same.
6327         (STARTFILE_SPEC): Same.
6328         (ENDFILE_SPEC): Same.
6329         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
6330         used.
6331
6332 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
6333
6334         PR target/35802
6335         * config/mips/mips.h (reg_class): Remove V1_REG.
6336         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
6337         * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
6338         instead of V1_REGS.
6339         (mips_get_tp): New function.
6340         (mips_legitimize_tls_address): Use it.
6341         * config/mips/constraints.md (v): Delete.
6342         * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
6343         (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
6344         After reload, split into a move and ...
6345         (*tls_get_tp_<mode>_split): ...this new instruction.
6346
6347 2008-07-09  David Daney  <ddaney@avtrex.com>
6348
6349         * config/mips/driver-native.c: Include coretypes.h and tm.h.
6350
6351 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
6352
6353         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
6354         (push_gimplify_context): Don't allocate temp_htab nor c itself here.
6355         Add c argument.
6356         (pop_gimplify_context): Check c->temp_htab instead of optimize whether
6357         htab_delete should be called.  Don't free c.
6358         (lookup_tmp_var): Create temp_htab lazily.
6359         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
6360         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
6361         callers.
6362         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
6363         lower_omp_ordered, lower_omp_critical, lower_omp_for,
6364         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
6365         * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
6366         * tree-sra.c (generate_element_init): Likewise.
6367         * tree-mudflap.c (execute_mudflap_function_ops,
6368         execute_mudflap_function_decls): Likewise.
6369         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
6370         * tree-gimple.h (struct gimplify_ctx): New type.
6371         (push_gimplify_context): Adjust prototype.
6372
6373 2008-07-09  Daniel Berlin  <dberlin@dberlin.org>
6374
6375         * tree-ssa-pre.c (phi_translate_1): Update placement of
6376         add_to_value calls.
6377
6378 2008-07-09  Anatoly Sokolov  <aesok@post.ru>
6379
6380         * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
6381         * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
6382         (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
6383         * targhooks.c (default_hard_regno_scratch_ok): New function.
6384         * targhooks.h (default_hard_regno_scratch_ok): Declare function.
6385         * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
6386         * recog.c:  Include "target.h".
6387         (peep2_find_free_register): Add check for global regs. Add target
6388         specific check.
6389         * Makefile.in (recog.o): Depend on target.h.
6390
6391 2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>
6392
6393         * config/sh/sh.c (sh_canonical_va_list_type): New.
6394         (TARGET_CANONICAL_VA_LIST_TYPE): Define.
6395
6396 2008-07-09  Raksit Ashok <raksit@google.com>
6397
6398         * doc/invoke.texi (Option Summary): Mention new option
6399         -Wdisallowed-function-list=...
6400         (Warning Options): Document -Wdisallowed-function-list=...
6401         * common.opt (Wdisallowed-function-list=): New flag.
6402         * flags.h (warn_disallowed_functions): External definition of new
6403         boolean warning flag.
6404         (warn_if_disallowed_function_p): Declare new function.
6405         * opts.c (warning_disallowed_functions): New static variable.
6406         (warn_disallowed_functions): New boolean warning flag.
6407         (warn_if_disallowed_function_p): New function.
6408         (add_comma_separated_to_vector): Rename
6409         add_instrument_functions_exclude_list to this.
6410         (common_handle_option): Handle new option. Rename calls to
6411         add_instrument_functions_exclude_list into calls to
6412         add_comma_separated_to_vector.
6413         * c-parser.c (c_parser_postfix_expression_after_primary): New warning
6414         based on flag warn_disallowed_functions.
6415
6416 2008-07-09  Christian Bruel  <christian.bruel@st.com>
6417
6418         * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
6419          instead of get_attr_length.
6420
6421 2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6422
6423         * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
6424         keywords.
6425         * genemit.c (gen_insn): Likewise.
6426         * gengtype.c (note_def_vec): Likewise.
6427         * gengtype.h (note_def_vec): Likewise.
6428         * genoutput.c (struct data, output_insn_data, process_template,
6429         gen_expand, gen_split, note_constraint): Likewise.
6430         * genrecog.c (new_decision, add_to_sequence, factor_tests,
6431         make_insn_sequence): Likewise.
6432         * gensupport.c (record_insn_name): Likewise.
6433
6434 2008-07-08  Doug Kwan  <dougkwan@google.com>
6435
6436         * config/arm/arm.opt (mandroid): New option.
6437         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
6438         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
6439         (CC1_SPEC): Same.
6440         (CC1PLUS_SPEC): Same.
6441         (LIB_SPEC): Same.
6442         (STARTFILE_SPEC): Same.
6443         (ENDFILE_SPEC): Same.
6444         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
6445         used.
6446
6447 2008-07-08  Raksit Ashok  <raksit@google.com>
6448
6449         * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
6450         (set_storage_via_setmem): Fix expected_align parameter.
6451         * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
6452         missing from the list.
6453         * doc/md.texi (movmem): Explicitly state that expected alignment is
6454         to be expressed in bytes.
6455         (setmem): Explicitly state that expected alignment is to be expressed
6456         in bytes.
6457
6458 2008-07-08  Joseph Myers  <joseph@codesourcery.com>
6459
6460         * reload.c (find_reloads_subreg_address): Do not require validity
6461         of address in original mode before reloading address.
6462
6463 2008-07-07  Tianwei Sheng  <tianweis@google.com>
6464
6465         * df-core.c (df_remove_problem): Adjust the access to avoid out of
6466         bounds array access.
6467
6468 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
6469
6470         * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.
6471
6472 2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
6473
6474         Fix PR tree-optimization/23455
6475         Fix PR tree-optimization/35286
6476         Fix PR tree-optimization/35287
6477         * Makefile.in (OBJS-common): Remove tree-vn.o.
6478         (tree-vn.o): Remove.
6479         * dbgcnt.def: Add treepre_insert debug counter.
6480         * gcc/tree-flow.h (add_to_value): Updated for other changes.
6481         (debug_value_expressions): Ditto.
6482         (print_value_expressions): Ditto.
6483         * tree-pretty-print.c (dump_generic_node): Updated for
6484         VALUE_HANDLE removal.
6485         * tree-ssa-dom.c (record_equality): Ditto.
6486         (cprop_operand): Ditto.
6487         (lookup_avail_expr): Ditto.
6488         * tree-ssa-threadedge.c
6489         (record_temporary_equivalences_from_stmts_at_dest): Ditto.
6490         (simplify_control_stmt_condition): Ditto.
6491         * tree.c (tree_code_size): Ditto.
6492         (tree_node_structure): Ditto.
6493         (iterative_hash_expr): Ditto.
6494         * tree.def: Ditto.
6495         * tree.h (VALUE_HANDLE_ID): Ditto.
6496         (VALUE_HANDLE_EXPR_SET): Ditto.
6497         (struct tree_value_handle): Ditto.
6498         (union tree_node): Ditto.
6499         * treestruct.def: Ditto.
6500         * tree-vn.c: Removed.
6501         * tree-ssa-pre.c: Rewritten entirely.
6502         * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
6503         (constant_value_ids): Ditto.
6504         (vn_nary_op_t): Moved to header.
6505         (vn_phi_t): Ditto.
6506         (vn_reference_op_t): Ditto
6507         (vn_reference_t): Ditto.
6508         (next_value_id): New variable.
6509         (VN_INFO): Add an assert.
6510         (vn_constant_eq): New function.
6511         (vn_constant_hash): Ditto.
6512         (get_or_alloc_constant_value_id): Ditto.
6513         (value_id_constant_p): Ditto.
6514         (vn_reference_compute_hash): De-staticify.
6515         (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
6516         Disable some code with a FIXME.  Remove VALUE_HANDLE use.
6517         (valueize_refs): Update opcode if it changes from ssa name to constant.
6518         (vn_reference_lookup_1): Add new argument.
6519         (vn_reference_lookup):  Ditto.
6520         (vn_reference_lookup_pieces): New function.
6521         (vn_reference_insert): Add return type. Modify to deal with value ids.
6522         (vn_reference_insert_pieces):  New function.
6523         (vn_nary_op_compute_hash): De-staticify.
6524         (vn_nary_op_eq): Ditto.
6525         (vn_nary_op_lookup_pieces): New function.
6526         (vn_nary_op_lookup): Add new argument.
6527         (vn_nary_op_insert_pieces): New function.
6528         (vn_nary_op_insert): Add return type. Modify to deal with value ids.
6529         (vn_phi_insert): Ditto.
6530         (visit_unary_op): Update for callee changes.
6531         (visit_binary_op): Ditto.
6532         (visit_reference_op_load): Ditto.
6533         (visit_reference_op_store): Ditto.
6534         (init_scc_vn): Init next_value_id, constant_to_value_id and
6535         constant_value_ids.
6536         (free_scc_vn): Free them.
6537         (set_hashtable_value_ids): New function.
6538         (run_scc_vn): Use it.
6539         (get_max_value_id): New function.
6540         (get_next_value_id): Ditto.
6541         (expressions_equal_p): Moved from tree-vn.c
6542         (sort_vuses): Ditto.
6543         (sort_vuses_heap): Ditto.
6544         * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
6545         above).
6546         * tree.c (iterative_hash_hashval_t): Made non-static
6547         * tree.h (iterative_hash_hashval_t): Declare it.
6548
6549 2008-07-08  Martin Jambor  <mjambor@suse.cz>
6550
6551         * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
6552         instead of ipa_create_node_params.
6553         (ipcp_driver): Allocate infos with ipa_check_create_node_params and
6554         ipa_check_create_edge_args, free them with
6555         free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.
6556
6557         * ipa-prop.c: Include flags.h and tree-inline.h.
6558         (ipa_node_params_vector): New variable.
6559         (ipa_edge_args_vector): New variable.
6560         (edge_removal_hook_holder): New variable.
6561         (node_removal_hook_holder): New variable.
6562         (edge_duplication_hook_holder): New variable.
6563         (node_duplication_hook_holder): New variable.
6564         (ipa_detect_param_modifications): Check for presence of modified flags.
6565         (ipa_compute_jump_functions): Check for presence of jump functions.
6566         (ipa_free_edge_args_substructures): New function.
6567         (ipa_create_node_params): Removed.
6568         (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
6569         (ipa_free_node_params_substructures): New function.
6570         (ipa_free_all_node_params): Changed to deallocate the on-the-side
6571         vector.
6572         (ipa_edge_removal_hook): New function.
6573         (ipa_node_removal_hook): New function.
6574         (duplicate_array): New function.
6575         (ipa_edge_duplication_hook): New function.
6576         (ipa_node_duplication_hook): New function.
6577         (ipa_register_cgraph_hooks): New function.
6578         (ipa_unregister_cgraph_hooks): New function.
6579         (free_all_ipa_structures_after_ipa_cp): New function.
6580
6581         * ipa-prop.h: Include vec.h.
6582         (ipa_node_params_t): New typedef with vector types for it.
6583         (ipa_edge_args_t):  New typedef with vector types for it.
6584         (IPA_NODE_REF): Changed to access an on-the-side vector.
6585         (IPA_EDGE_REF): Changed to access an on-the-side vector.
6586         (ipa_check_create_node_params): New function.
6587         (ipa_check_create_edge_args): New function.
6588
6589         * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
6590         all users.
6591
6592 2008-07-07  Tom Tromey  <tromey@redhat.com>
6593
6594         * configure, config.in: Rebuilt.
6595         * configure.ac: Don't check for scandir or alphasort.
6596
6597 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
6598
6599         * config/arm/arm.c (arm_init_neon_builtins): Register built-in
6600         types immediately after creating them.
6601
6602 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
6603
6604         * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.
6605
6606 2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>
6607
6608         * tree-ssa-structalias.c (compute_points_to_sets): Add call to
6609         dump_constraint_graph.
6610         (dump_constraint_edge): New function.
6611         (dump_constraint_graph): New function.
6612         (debug_constraint_graph): New function.
6613         (dump_constraint): Removed useless comparison.
6614         * tree-ssa-structalias.h (dump_constraint_edge): Declare.
6615         (dump_constraint_graph): Declare.
6616         (debug_constraint_graph): Declare.
6617         * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.
6618
6619 2008-07-07  Kai Tietz  <kai.tietz@onevision.com>
6620
6621         * config/i386/i386.c (is_va_list_char_pointer): New.
6622         (ix86_va_start): Replace compare with ms_va_list_type_node
6623         by is_va_list_char_pointer.
6624         (ix86_gimplify_va_arg): Likewise.
6625
6626 2008-07-07  Martin Jambor  <mjambor@suse.cz>
6627
6628         * cgraph.c (cgraph_edge_max_uid): New variable.
6629         (struct cgraph_edge_hook_list): New type.
6630         (struct cgraph_node_hook_list): New type.
6631         (struct cgraph_2edge_hook_list): New type.
6632         (struct cgraph_2node_hook_list): New type.
6633         (first_cgraph_edge_removal_hook): New variable.
6634         (first_cgraph_node_removal_hook): New variable.
6635         (first_cgraph_edge_duplicated_hook): New variable.
6636         (first_cgraph_node_duplicated_hook): New variable.
6637         (cgraph_add_edge_removal_hook): New function.
6638         (cgraph_remove_edge_removal_hook): New function.
6639         (cgraph_call_edge_removal_hooks):  New function.
6640         (cgraph_add_node_removal_hook):  New function.
6641         (cgraph_remove_node_removal_hook):  New function.
6642         (cgraph_call_node_removal_hooks):  New function.
6643         (cgraph_add_edge_duplication_hook):  New function.
6644         (cgraph_remove_edge_duplication_hook):  New function.
6645         (cgraph_call_edge_duplication_hooks):  New function.
6646         (cgraph_add_node_duplication_hook):  New function.
6647         (cgraph_remove_node_duplication_hook):  New function.
6648         (cgraph_call_node_duplication_hooks):  New function.
6649         (cgraph_create_edge): Assign to edge uid.
6650         (cgraph_remove_edge): Call edge removal hooks.
6651         (cgraph_node_remove_callees): Call edge removal hooks.
6652         (cgraph_node_remove_callers): Call edge removal hooks.
6653         (cgraph_remove_node): Call node removal hooks.
6654         (cgraph_clone_edge): Call edge duplication hooks.
6655         (cgraph_clone_node): Call node duplication hooks.
6656
6657         * cgraph.h (cgraph_edge): New field uid.
6658         (cgraph_edge_hook): New type.
6659         (cgraph_node_hook): New type.
6660         (cgraph_2edge_hook): New type.
6661         (cgraph_2node_hook): New type.
6662
6663 2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>
6664
6665         * config.in: Regenerate.
6666
6667 2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>
6668
6669         * gcc.c (print_sysroot): New.
6670         (option_map, display_help, process_command): Handle the
6671         -print-sysroot option.
6672         (main): Print the sysroot if requested.
6673         * doc/invoke.texi (Debugging Options): Document -print-sysroot.
6674
6675 2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6676
6677         PR target/34780
6678         * unwind-pe.h (size_of_encoded_value): add attribute unused.
6679
6680 2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>
6681
6682         * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
6683         (assign_parm_setup_block_p): Also check mode of entry_parm.
6684
6685 2008-07-07  Richard Guenther  <rguenther@suse.de>
6686
6687         * tree-ssa-structalias.h (set_used_smts): Remove.
6688         * tree-ssa-structalias.c (used_smts): Likewise.
6689         (set_used_smts): Likewise.
6690         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
6691         call to set_used_smts.
6692
6693 2008-07-07  Richard Guenther  <rguenther@suse.de>
6694
6695         * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
6696         (new_var_info): Set it to false.
6697         (solution_set_add): Correctly handle pointers outside a var and
6698         inside a field.
6699         (type_safe): Treat variables with is_full_var properly.
6700         (do_sd_constraint): Likewise.
6701         (do_ds_constraint): Likewise.
6702         (process_constraint): Remove zeroing offset for !use_field_sensitive.
6703         (get_constraint_for_ptr_offset): New function.
6704         (get_constraint_for_component_ref): For addresses at least include
6705         the last field of the variable.  Handle is_full_vars properly.
6706         (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
6707         (handle_ptr_arith): Remove.
6708         (find_func_aliases): Simplify assignment handling.
6709         (create_function_info_for): For parameter and result varinfos set
6710         is_full_var flag.
6711         (create_variable_info_for): Set is_full_var flag whenever we
6712         just created a single varinfo for a decl.
6713         (init_alias_vars): Initialize use_field_sensitive from
6714         max-fields-for-field-sensitive parameter.
6715
6716 2008-07-07  Richard Guenther  <rguenther@suse.de>
6717
6718         PR tree-optimization/36713
6719         * tree-flow-inline.h (is_call_used): New function.
6720         * tree-nrv.c (dest_safe_for_nrv_p): Use it.
6721         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
6722         * tree-outof-ssa.c (create_temp): Set call-used flag if required.
6723
6724 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6725
6726         * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
6727
6728 2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
6729
6730         * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
6731
6732 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6733             Nathan Sidwell  <nathan@codesourcery.com>
6734
6735         * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
6736         to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
6737         tmake_file.
6738         * config/m68k/t-linux: New.
6739         * doc/install.texi: Document m68k-*-linux is now multilibbed by
6740         default.
6741
6742 2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6743
6744         * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
6745         * config/m68k/m68k-devices.def: Remove multilibs that only differ
6746         by MAC/EMAC.
6747
6748 2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6749
6750         * gcc.c (execute): Fix -Wc++-compat warning.
6751
6752 2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>
6753
6754         PR target/36720
6755         * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
6756         constant for little endian.
6757
6758 2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>
6759
6760         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
6761         mips_base_mips16 instead of TARGET_MIPS16.
6762         (mips_base_mips16): Declare.
6763         * config/mips/mips.c (mips_base_mips16): Make global.
6764         (was_mips16_p): Remove GTY marker.
6765         (was_mips16_pch_p): New variable.
6766         (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
6767         (mips_override_options): Force to non-MIPS16 mode initially.
6768         Do not complain about MIPS16 PIC incompatibilities here.
6769         Only allow -mgpopt if -mexplicit-relocs is in force for
6770         non-MIPS16 code.
6771
6772 2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>
6773
6774         * configure.ac: Check for caddr_t, define to char * if not defined.
6775         * configure: Regenerate.
6776         * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
6777         (mmap_gt_pch_use_address): Likewise.
6778         * config/host-solaris.c (sol_gt_pch_use_address): Likewise.
6779
6780 2008-07-06  Richard Guenther  <rguenther@suse.de>
6781
6782         * tree-ssa-structalias.c (struct variable_info): Remove has_union.
6783         (new_var_info): Deal with it.
6784         (solution_set_add): Likewise.
6785         (bitpos_of_field): Make signed, fix.
6786         (struct fieldoff): Remove type and decl fields.  Make size field
6787         unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
6788         flags.
6789         (fieldoff_compare): Deal with it.
6790         (push_fields_onto_fieldstack): Remove has_union argument, glob
6791         adjacent non-pointer fields together.
6792         (create_function_info_for): Do not set has_union.
6793         (create_variable_info_for): Simplify.
6794
6795 2008-07-06  Kai Tietz  <kai.tietz@onevision.com>
6796
6797         * config.gcc (extra_headers): Add cross-stdarg.h for target
6798         x86_64-*-* and i?86-*-*.
6799         * config/i386/cross-stdarg.h: New.
6800         * builtins.c (std_fn_abi_va_list): New.
6801         (std_canonical_va_list_type): New.
6802         (stabilize_va_list): Replace va_list_type_node use by
6803         mtarget.canonical_va_list_type.
6804         (gimplify_va_arg_expr): Likewise.
6805         (expand_builtin_va_copy): Replace va_list_type_node use by
6806         mtarget.fn_abi_va_list.
6807         * tree-sra.c (is_va_list_type): New helper.
6808         (decl_can_be_decomposed_p): Replace
6809         va_list_type_node use by is_va_list_type.
6810         * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
6811         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
6812         * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
6813         * config/i386/i386-protos.h (ix86_get_valist_type): New.
6814         (ix86_enum_va_list): New.
6815         * config/i386/i386.c (sysv_va_list_type_node): New.
6816         (ms_va_list_type_node): New.
6817         (ix86_function_type_abi): Remove sorry.
6818         (ix86_build_builtin_va_list_abi): New.
6819         (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
6820         for 64-bit targets.
6821         (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
6822         (ix86_init_builtins_va_builtins_abi): New.
6823         (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
6824         for 64-bit targets.
6825         (ix86_handle_abi_attribute): New.
6826         (attribute_spec): Add sysv_abi and ms_abi.
6827         (ix86_fn_abi_va_list): New.
6828         (ix86_canonical_va_list_type): New.
6829         (ix86_enum_va_list): New.
6830         (TARGET_FN_ABI_VA_LIST): New.
6831         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6832         * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
6833         * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
6834         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6835         (TARGET_ENUM_VA_LIST): New.
6836         * expr.h (std_fn_abi_va_list): New.
6837         (std_canonical_va_list_type): New.
6838         * target-def.h (TARGET_FN_ABI_VA_LIST): New.
6839         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6840         (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
6841         TARGET_CANONICAL_VA_LIST_TYPE.
6842         * target.h (struct gcc_target): Add fn_abi_va_list hook
6843         and canonical_va_list_type hook.
6844
6845 2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6846
6847         * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
6848         integral and pointer types.
6849
6850 2008-07-04  Roger Sayle  <roger@eyesopen.com>
6851
6852         * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
6853         the "void*" result of xmalloc to "char*" to fix bootstrap breakage.
6854
6855 2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
6856
6857         PR target/36684
6858         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.
6859
6860 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
6861
6862         * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
6863         build_gimple_modify_stmt.
6864         (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
6865         gimple operand.  Use fold_build* instead of build*.
6866
6867 2008-07-04  Richard Guenther  <rguenther@suse.de>
6868
6869         * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
6870         (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
6871         properly to compute the reachability set if we do field-sensitive PTA.
6872         * invoke.texi (max-fields-for-field-sensitive): Document default.
6873         * opts.c (decode_options): Set max-fields-for-field-sensitive to
6874         100 for optimize >= 2.
6875
6876 2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6877
6878         * ggc-zone.c (lookup_page_table_if_allocated,
6879         set_page_table_entry, zone_find_object_size, alloc_small_page,
6880         alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
6881         new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
6882         -Wc++-compat and/or -Wcast-qual warnings.
6883
6884 2008-07-04  Alan Modra  <amodra@bigpond.net.au>
6885
6886         PR target/36634
6887         * config/rs6000/rs6000.md (call, call_value): Don't arrange for
6888         pic_offset_table_rtx to be marked as used here.
6889         (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
6890         TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
6891         (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
6892         (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
6893         !TARGET_SECURE_PLT.
6894
6895 2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6896
6897         * alloc-pool.c (hash_descriptor, eq_descriptor,
6898         alloc_pool_descriptor): Fix -Wc++-compat warnings.
6899         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
6900         Likewise.
6901         * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
6902         loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
6903         final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
6904         * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
6905         Likewise.
6906
6907 2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>
6908
6909         * tree-flow.h (loop_only_exit_p): Declare.
6910         * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
6911         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
6912         the number of iterations if it is constant.  Otherwise, if this is the
6913         only possible exit of the loop, use the conservative estimate on the
6914         number of iterations of the entire loop if available.
6915
6916 2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>
6917
6918         * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
6919         * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
6920         Add synchronization functions.
6921         * config/sync.c: New file.
6922         * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
6923         (LIBGCC_SYNC_CFLAGS): Likewise.
6924
6925 2008-07-03  Uros Bizjak  <ubizjak@gmail.com>
6926
6927         PR target/36710
6928         * config/i386/i386.md (mode): Add TF to "mode" attribute.
6929         (*pushtf_sse): New insn pattern.
6930         (pushtf splitters): New splitters.
6931
6932 2008-07-03  Michael Meissner  <gnu@the-meissners.org>
6933
6934         PR middle-end/35736
6935         * predict.c (build_predict_expr): Use void_type_node for the tree
6936         type, instead of NULL_TREE.
6937
6938 2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>
6939
6940         * config/i386/i386.c (contains_aligned_value_p): Return true
6941         for TCmode.
6942         (ix86_data_alignment): Align TCmode to 128bits.
6943         (ix86_local_alignment): Likewise.
6944
6945 2008-07-03  Andrew Haley  <aph@redhat.com>
6946
6947         PR bootstrap/33304
6948         * vec.h (VEC_TA): New.
6949         (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
6950         DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
6951         * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
6952         (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
6953         (C_COMMON_FIXED_TYPES): Remove first arg.
6954         (C_COMMON_FIXED_MODE_TYPES): Likewise.
6955         * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
6956         MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
6957         not to use empty macro arguments.
6958
6959 2008-07-02  Joseph Myers  <joseph@codesourcery.com>
6960
6961         * config/alpha/vms_tramp.asm, config/arm/crti.asm,
6962         config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
6963         config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
6964         config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
6965         config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
6966         config/i386/sol2-gc1.asm, config/ia64/crti.asm,
6967         config/ia64/crtn.asm, config/m68hc11/larith.asm,
6968         config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
6969         config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
6970         config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
6971         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
6972         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
6973         config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
6974         config/rs6000/e500crtres64gpr.asm,
6975         config/rs6000/e500crtres64gprctr.asm,
6976         config/rs6000/e500crtrest32gpr.asm,
6977         config/rs6000/e500crtrest64gpr.asm,
6978         config/rs6000/e500crtresx32gpr.asm,
6979         config/rs6000/e500crtresx64gpr.asm,
6980         config/rs6000/e500crtsav32gpr.asm,
6981         config/rs6000/e500crtsav64gpr.asm,
6982         config/rs6000/e500crtsav64gprctr.asm,
6983         config/rs6000/e500crtsavg32gpr.asm,
6984         config/rs6000/e500crtsavg64gpr.asm,
6985         config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
6986         config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
6987         config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
6988         config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
6989         config/sparc/sol2-cn.asm: Remove .file directives.
6990
6991 2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
6992
6993         * resource.c (mark_referenced_resources): Look inside
6994         UNSPEC_VOLATILEs and ASM_INPUTs.
6995
6996 2008-07-02  Ian Lance Taylor  <iant@google.com>
6997
6998         * rtlanal.c (add_reg_note): New function.
6999         * rtl.h (add_reg_note): Declare.
7000         * auto-inc-dec.c (attempt_change): Use add_reg_note.
7001         * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
7002         * builtins.c (expand_builtin_longjmp): Likewise.
7003         (expand_builtin_nonlocal_goto): Likewise.
7004         * calls.c (emit_call_1, expand_call): Likewise.
7005         * cfgexpand.c (add_reg_br_prob_note): Likewise.
7006         * cfglayout.c (fixup_reorder_chain): Likewise.
7007         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
7008         (commit_one_edge_insertion): Likewise.
7009         * combine.c (move_deaths, distribute_notes): Likewise.
7010         * df-problems.c (df_set_note): Likewise.
7011         * emit-rtl.c (link_cc0_insns, try_split): Likewise.
7012         (set_unique_reg_note): Likewise.
7013         (emit_copy_of_insn_after): Likewise.
7014         * expr.c (expand_expr_real): Likewise.
7015         * gcse.c (add_label_notes): Likewise.
7016         * haifa-sched.c (create_check_block_twin): Likewise.
7017         * jump.c (mark_jump_label_1): Likewise.
7018         * loop-doloop.c (add_test, doloop_modify): Likewise.
7019         * loop-unswitch.c (compare_and_jump_seq): Likewise.
7020         * lower-subreg.c (move_eh_region_note): Likewise.
7021         * optabs.c (emit_libcall_block): Likewise.
7022         * predict.c (predict_insn): Likewise.
7023         (combine_predictions_for_insn): Likewise.
7024         * recog.c (peephole2_optimize): Likewise.
7025         * regmove.c (try_auto_increment): Likewise.
7026         * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
7027         * reload.c (find_reloads): Likewise.
7028         * reload1.c (fixup_eh_region_note): Likewise.
7029         (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
7030         * reorg.c (delete_prior_computation): Likewise.
7031         (delete_computation, dbr_schedule): Likewise.
7032         * config/pa/pa.c (legitimize_pic_address): Likewise.
7033         * config/sh/sh.c (sh_reorg): Likewise.
7034
7035 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
7036
7037         PR target/36669
7038         * config/libgcc-glibc.ver: Add %exclude.
7039         * config/m32r/libgcc-glibc.ver: Likwise.
7040         * config/s390/libgcc-glibc.ver: Likwise.
7041         * config/sh/libgcc-glibc.ver: Likwise.
7042         * config/sparc/libgcc-sparc-glibc.ver: Likwise.
7043
7044         * config/i386/libgcc-glibc.ver: New.
7045
7046         * config/i386/libgcc-x86_64-glibc.ver: Removed.
7047
7048 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
7049
7050         * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
7051         from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
7052         i[34567]86-*-linux*, x86_64-*-linux*.  Add
7053         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
7054         i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
7055         x86_64-*-linux*.  Add i386/t-linux to tmake_file for
7056         i[34567]86-*-linux*, x86_64-*-linux*.
7057
7058         * libgcc-std.ver: Add empty GCC_4.4.0.
7059
7060         * mkmap-symver.awk: Support multiple versions per symbol.
7061
7062         * config/i386/i386.c (ix86_init_builtins): Always define
7063         __builtin_fabsq and __builtin_copysignq with fallbacks.
7064         (ix86_expand_builtin): Emit normal call for __builtin_fabsq
7065         and __builtin_copysignq if SSE2 isn't available.
7066
7067         * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
7068         (LIBGCC2_TF_CEXT): Likwise.
7069         (TF_SIZE): Likwise.
7070
7071         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
7072
7073         * config/i386/sfp-machine.h: Moved to libgcc.
7074
7075         * config/i386/sfp-machine.h: New.
7076         * config/i386/t-linux: Likwise.
7077
7078         * config/i386/t-darwin: Remove softfp_wrap_start and
7079         softfp_wrap_end.
7080         * config/i386/t-darwin64: Likewise.
7081
7082         * config/i386/t-fprules-softfp64: Renamed to ...
7083         * config/i386/t-fprules-softfp: This.
7084
7085         * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
7086         and softfp_wrap_end.
7087
7088 2008-07-02  Jason Merrill  <jason@redhat.com>
7089
7090         * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.
7091
7092         * tree.c (ctor_to_list): New fn.
7093         * tree.h: Declare it.
7094         (CONSTRUCTOR_ELT): New macro.
7095         (CONSTRUCTOR_NELTS): New macro.
7096
7097 2008-07-02  Richard Guenther  <rguenther@suse.de>
7098
7099         * tree-ssa-structalias.c (struct variable_info): Reorder
7100         to fill padding on 64bit hosts.  Make collapsed_to an int.
7101         (get_varinfo_fc): Deal with that.
7102         (new_var_info): Likewise.
7103         (collapse_rest_of_var): Likewise.
7104
7105 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
7106
7107         * doc/install.texi (--enable-java-home): Document.
7108         (--enable-aot-compile-rpm): Likewise.
7109         (--with-arch-directory): Likewise.
7110         (--with-os-directory): Likewise.
7111         (--with-origin-name): Likewise.
7112         (--with-arch-suffix): Likewise.
7113         (--with-jvm-root-dir): Likewise.
7114         (--with-jvm-jar-dir): Likewise.
7115         (--with-python-dir): Likewise.
7116
7117 2008-07-02  Richard Guenther  <rguenther@suse.de>
7118
7119         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
7120         from decls explicitly.  Merge operand checking from tuples.
7121
7122 2008-07-02  Martin Jambor  <mjambor@suse.cz>
7123
7124         * tree-switch-conversion.c: Included timevar.h which I forgot before.
7125
7126 2008-07-02  Martin Jambor  <mjambor@suse.cz>
7127
7128         * tree-switch-conversion.c: Included timevar.h
7129         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
7130
7131         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
7132
7133 2008-07-02  Martin Jambor  <mjambor@suse.cz>
7134
7135         * tree-switch-conversion.c: Corrected various comments and
7136         whitespace issues
7137         (build_constructors): Fixed minor formatting mistakes.
7138
7139         * invoke.texi (Optimize Options): Corrected the
7140         switch-conversion-max-branch-ratio parameter.
7141
7142 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
7143
7144         * final.c (asm_insn_count): Return zero for an empty asm body.
7145
7146 2008-07-02  Richard Guenther  <rguenther@suse.de>
7147
7148         * bitmap.h (bitmap_set_bit): Return bool.
7149         (bitmap_clear_bit): Likewise.
7150         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
7151         write to the bitmap if it would.
7152         (bitmap_clear_bit): Likewise.
7153         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
7154         bitmap_set_bit return value.
7155         (add_pred_graph_edge): Likewise.
7156         (add_graph_edge): Likewise.
7157         (do_sd_constraint): Likewise.
7158         (do_ds_constraint): Likewise.
7159
7160 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7161
7162         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
7163         Fix -Wc++-compat and/or -Wcast-qual warnings.
7164         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
7165         gen_regparm_prefix): Likewise.
7166         * vmsdbgout.c (write_modbeg, lookup_filename,
7167         vmsdbgout_source_line, vmsdbgout_init): Likewise.
7168
7169 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
7170
7171         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
7172         defaults.h definition apply.
7173
7174 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
7175
7176         * function.c (assign_parm_remove_parallels): New.
7177         (assign_parm_setup_block_p): Do not return true for non-BLKmode
7178         PARALLELs.
7179         (assign_parm_setup_block): Do not handle them.
7180         (assign_parm_setup_reg, assign_parm_setup_stack): Call
7181         assign_parm_remove_parallels.
7182
7183 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
7184
7185         * c-typeck.c (convert_for_assignment): Use
7186         vector_targets_convertible_p.
7187         * c-common.c (vector_targets_convertible_p): New.
7188         * c-common.h (vector_targets_convertible_p): New prototype.
7189         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
7190         opaque_p_V2SI_type_node.
7191
7192 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
7193
7194         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
7195         RFmode constants.
7196
7197 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
7198
7199         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
7200         TFmode constants via two element DImode vector for hosts with
7201         HOST_BITS_PER_WIDE_INT < 64.
7202         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
7203         also for HOST_BITS_PER_WIDE_INT < 64.
7204
7205 2008-07-01  Richard Guenther  <rguenther@suse.de>
7206
7207         PR tree-optimization/36666
7208         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
7209         (get_constraint_exp_from_ssa_var): Split into ...
7210         (get_constraint_exp_for_temp): ... this ...
7211         (get_constraint_for_ssa_var): ... and that.
7212         Return constraint expressions for all touched sub-fields
7213         if the results address is not taken.
7214         (process_constraint): Remove assertion that aggregate
7215         assignments do not happen at this place.
7216         (get_constraint_for_component_ref): Add address_p argument.
7217         Return constraint expressions for all touched sub-fields
7218         if the results address is not taken.
7219         (do_deref): Use get_constraint_exp_for_temp.
7220         (get_constraint_for_1): Rename from ...
7221         (get_constraint_for): ... this.  Add the old function as wrapper.
7222         (do_structure_copy): Use get_constraint_for_1.
7223
7224 2008-07-01  Martin Jambor  <mjambor@suse.cz>
7225
7226         * Makefile.in (tree-switch-conversion.o): Add.
7227         (OBJS-common): Add tree-swtch-conversion.o.
7228         * passes.c (init_optimization_passes): Add pass_convert_switch.
7229         * tree-pass.h: (pass_convert_switch): Add.
7230         * tree-switch-conversion.c: New file.
7231         * gcc.dg/tree-ssa/cswtch.c: New testcase.
7232         * common.opt (ftree-cswtch): New option.
7233         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
7234         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
7235         * opts.c (decode_options): Set flag_tree_switch_conversion when
7236         optimization level is >= 2.
7237         * doc/invoke.texi (Optimize Options): Added description of
7238         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
7239
7240 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7241
7242         * config/darwin-driver.c (darwin_default_min_version): Fix
7243         -Wc++-compat warnings.
7244
7245 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
7246
7247         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
7248         of operand 0.
7249
7250 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
7251
7252         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
7253
7254 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
7255
7256         PR rtl-optimization/34744
7257         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
7258         (df_scan_free_internal): Free data structures not
7259         allocated in storage pools.
7260         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
7261         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
7262         df_scan_free_mws_vec.
7263         * dse.c (dse_step6): Free offset_map_p and offset_map_n
7264         unconditionally.
7265
7266 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
7267
7268         * config/i386/i386.c (contains_aligned_value_p): Return true
7269         for __float128.
7270         (ix86_function_arg_boundary): Return its natural boundary
7271         for __float128.
7272         (return_in_memory_32): Don't check TDmode.
7273         (ix86_split_to_parts): Support splitting into 4 parts and
7274         support TFmode for 32bit target.
7275         (ix86_split_long_move): Support splitting into 4 parts.
7276         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
7277         for SSE2.
7278         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
7279         (ix86_init_builtins): Here.
7280         (ix86_scalar_mode_supported_p): Always return true for TFmode.
7281         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
7282         'q' and 'w', respectively.
7283
7284         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
7285         TARGET_64BIT.
7286         (movtf_internal): Likewise.
7287         (<code>tf2): Likewise.
7288         (*absnegtf2_sse): Likewise.
7289         (copysign<mode>3): Likewise.
7290         (copysign<mode>3_const): Likewise.
7291         (copysign<mode>3_var): Likewise.
7292         (define_split UNSPEC_COPYSIGN): Likewise.
7293         * config/i386/sse.md (*nandtf3): Likewise.
7294         (<code>tf3): Likewise.
7295         (*<code>tf3): Likewise.
7296
7297 2008-06-30  Joey Ye  <joey.ye@intel.com>
7298             H.J. Lu  <hongjiu.lu@intel.com>
7299
7300         * global.c (compute_regsets): Set frame_pointer_needed here.
7301         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
7302
7303 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
7304
7305         * doc/install.texi (specific): Expand Windows build notes.
7306
7307 2008-06-30  Ira Rosen  <irar@il.ibm.com>
7308
7309         PR tree-optimization/36648
7310         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
7311         number of prolog iterations by step. Fix the comment.
7312
7313 2008-06-30  Richard Guenther  <rguenther@suse.de>
7314
7315         PR middle-end/36671
7316         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
7317         handle calls from ECF_MALLOC functions.
7318         (handle_pure_call): ECF_MALLOC functions do not return
7319         call-used memory.
7320         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
7321
7322 2008-06-29  Andreas Schwab  <schwab@suse.de>
7323
7324         * config/m68k/m68k.c (print_operand): Always print a float
7325         constant in hex.
7326         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
7327         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
7328         Remove macros.
7329
7330         * config/rs6000/x-linux64: Remove never used file.
7331
7332 2008-06-29  Richard Guenther  <rguenther@suse.de>
7333
7334         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
7335         prototype.
7336         (struct alias_info): Move ...
7337         * tree-ssa-alias.c: ... here.
7338         (update_alias_info): Declare.
7339         (compute_may_aliases): Call it.
7340         (update_alias_info): New function.
7341         * tree-ssa-structalias.c (update_alias_info): Move ...
7342         * tree-ssa-alias.c (update_alias_info_1): ... here.
7343         * tree-ssa-structalias.c (process_constraint_1): Remove
7344         unused from_call argument.  Rename to ...
7345         (process_constraint): ... this.  Delete old wrapper.
7346         (make_constraint_to): Adjust callers.
7347         (handle_const_call): Likewise.
7348         (handle_pure_call): Likewise.
7349         (init_base_vars): Likewise.
7350         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
7351         (find_func_aliases): We don't need structure copies for
7352         complex types.
7353         (make_constraint_from_anything): Remove.
7354         (create_variable_info_for): For globals make constraints
7355         from escaped, not from anything.
7356         (compute_points_to_sets): Do not call update_alias_info.
7357         (ipa_pta_execute): Use make_constraint_from.
7358
7359 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7360
7361         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
7362         (bitmap.o-warn, dominance.o-warn): New.
7363         * configure.ac (cxx_compat_warn): Delete.
7364         (loose_warn): Add -Wcast-qual and -Wc++-compat.
7365         * system.h: Remove #pragma diagnostic for -Wcast-qual and
7366         -Wc++-compat.
7367         * configure: Regenerate.
7368
7369         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
7370         warnings.
7371
7372 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7373
7374         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
7375         * df-scan.c (df_notes_rescan): Likewise.
7376         * ggc-page.c (set_page_table_entry): Likewise.
7377         * intl.c (gcc_gettext_width): Likewise.
7378         * varasm.c (get_unnamed_section, get_noswitch_section,
7379         get_section): Likewise.
7380
7381 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
7382
7383         * regrename.c (build_def_use): Don't copy RTX.
7384
7385 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
7386
7387         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
7388         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
7389         punctuation.  Use @ref instead of @xref.
7390         (Function Names): Remove stray @display/@end display.
7391         (C++ Attributes): Use @ref instead of @xref.
7392         (Deprecated Features): Fix punctuation around @xref.
7393         (Backwards Compatibility): Likewise.
7394         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
7395
7396 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
7397
7398         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
7399         constants for E500 double.
7400
7401 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7402
7403         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
7404         element type of const_vector.
7405
7406 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
7407
7408         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
7409         Remove FLAGS_REG clobber from expander pattern.
7410         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
7411         (anddi3, andsi3, andhi3, andqi3): Ditto.
7412         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
7413         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
7414         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
7415         (ashlsi3, ashlhi3, ashlqi3): Ditto.
7416         (ashrsi3, ashrhi3, ashrqi3): Ditto.
7417         (lshrsi3, lshrhi3, lshrqi3): Ditto.
7418         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
7419         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
7420
7421 2008-06-28  Richard Guenther  <rguenther@suse.de>
7422
7423         * tree-ssa-structalias.c (callused_id, var_callused,
7424         callused_tree): Add.
7425         (handle_pure_call): New function.
7426         (find_func_aliases): Call it.
7427         (find_what_p_points_to): Handle the call-used set.
7428         (clobber_what_escaped): Likewise.
7429         (compute_call_used_vars): New function.
7430         (init_base_vars): Init the call-used variable.
7431         (do_sd_constraint): Do not propagate the solution from CALLUSED
7432         but use CALLUSED as a placeholder.
7433         (solve_graph): Likewise.
7434         * tree-flow-inline.h (gimple_call_used_vars): New function.
7435         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
7436         (compute_call_used_vars): Declare.
7437         * tree-ssa-alias.c (set_initial_properties): Call
7438         compute_call_used_vars.
7439         (reset_alias_info): Clear call-used variables.
7440         (add_call_clobber_ops): Assert we are not called for const/pure
7441         functions.  Remove handling of them.
7442         (add_call_read_ops): Handle pure functions by adding the
7443         call-used set of variables as VUSEs.
7444         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
7445         (delete_tree_ssa): Free it.
7446         * tree-dfa.c (remove_referenced_var): Clear the var from the
7447         call-used bitmap.
7448
7449 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
7450
7451         * tree.c (build_varargs_function_type_list): New.
7452         (build_function_type_list_1): New.
7453         (build_function_type_list): Use build_function_type_list_1.
7454         * tree.h (build_varargs_function_type_list): New.
7455
7456 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7457
7458         PR target/34856
7459         * config/spu/spu.c (spu_builtin_splats): Do not generate
7460         invalid CONST_VECTOR expressions.
7461         (spu_expand_vector_init): Likewise.
7462
7463 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
7464
7465         * optabs.c (libfunc_decls): New variable.
7466         (libfunc_decl_hash, libfunc_decl_eq): New functions.
7467         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
7468         for the same function twice.
7469
7470 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
7471
7472         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
7473         ix86_expand_binary_operator directly.
7474         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
7475         for operand 2.
7476         (*ashrti3_1): Ditto.
7477         (*lshrti3_1): Ditto.
7478         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
7479         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
7480         using only one splitter.  Conditionaly execute splitter before or
7481         after peephole2 pass.
7482         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
7483         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
7484         Use only one alternative in asm template.
7485         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
7486         in asm template.
7487         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
7488         "J" operand constraint for operand 2.
7489         (*ashldi3_cconly_rex64): Ditto.
7490         (*ashrdi3_cmp_rex64): Ditto.
7491         (*ashrdi3_cconly_rex64): Ditto.
7492         (*lshrdi3_cmp_rex64): Ditto.
7493         (*lshrdi3_cconly_rex64): Ditto.
7494         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
7495         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
7496         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
7497         gen_x86_shrd_1.
7498
7499 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
7500
7501         * gimplify.c (omp_is_private): Don't return true if decl is not
7502         already private on #pragma omp for or #pragma omp parallel for.
7503
7504         PR debug/36617
7505         * tree-cfg.c (struct move_stmt_d): Replace block field with
7506         orig_block and new_block fields.
7507         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
7508         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
7509         (move_block_to_fn): Replace vars_map and new_label_map arguments
7510         with struct move_stmt_d pointer.
7511         (replace_block_vars_by_duplicates): New function.
7512         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
7513         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
7514         all subblocks of ORIG_BLOCK to the new function.  Call
7515         replace_block_vars_by_duplicates.
7516         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
7517         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
7518         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
7519         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
7520         (expand_omp): Temporarily set input_location to the location of
7521         region's controlling stmt.
7522         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
7523         BIND_EXPR, push ctx->block_vars and gimplification vars into
7524         the BIND_EXPR and its block's BLOCK_VARS instead of directly
7525         into dest function.
7526         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
7527         there are any BLOCK_VARS.
7528         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
7529         OMP_PARALLEL or OMP_TASK stmt.
7530         (lower_omp): Save and restore input_location around the lower_omp_1
7531         call.
7532
7533 2008-06-27  Richard Guenther  <rguenther@suse.de>
7534
7535         PR tree-optimization/36400
7536         PR tree-optimization/36373
7537         PR tree-optimization/36344
7538         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
7539         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
7540         (update_alias_info): Remove call clobbering code.
7541         (make_constraint_to): New helper function.
7542         (make_escape_constraint): Likewise.
7543         (handle_rhs_call): Use it on all pointer containing arguments.
7544         Also mark the static chain escaped.
7545         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
7546         instead of ANYTHING.
7547         (make_constraint_from): New helper split out from ...
7548         (make_constraint_from_anything): ... here.
7549         (find_func_aliases): Add constraints for escape sites.
7550         (intra_create_variable_infos): Make constraints from NONLOCAL
7551         for parameters.
7552         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
7553         as ANYTHING.
7554         (clobber_what_p_points_to): Remove.
7555         (clobber_what_escaped): New function.
7556         (init_base_vars): Init NONLOCAL and ESCAPED.
7557         (do_sd_constraint): Do not propagate the solution from ESCAPED
7558         but use ESCAPED as a placeholder.
7559         (solve_graph): Likewise.
7560         * tree-flow.h (clobber_what_p_points_to): Remove.
7561         (clobber_what_escaped): Declare.
7562         * tree-ssa-alias.c (set_initial_properties): Call it.
7563         Remove code clobbering escaped pointers.
7564
7565 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
7566
7567         * function.c (allocate_struct_function): Only allocate a unique
7568         funcdef_no if the decl is nonzero.
7569
7570 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
7571
7572         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
7573         * config/mips/mips.c (mips_split_const_insns): New function.
7574         * config/mips/mips.md (move_type): New attribute.
7575         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
7576         (dword_mode): New attribute.
7577         (type): Avoid long line.  Map "move_type"s to "type"s,
7578         choosing "multi" for doubleword moves if appropriate.
7579         Swap MTC/MFC comments to match their declaration order.
7580         (extended_mips16): Default to "yes" if "move_type" is "sll0",
7581         "type" is "branch" or "jal" is "direct".
7582         (length): Handle "extended_mips16" first.  Make the default
7583         "0" for "ghost" instructions.  Set the length from "move_type".
7584         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
7585         of "type", with "sll0" for the register alternative.  Remove the
7586         "extended_mips16" attribute.
7587         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
7588         of "type", with "shift_shift" for the register alternative.
7589         Remove the "length" attribute.
7590         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
7591         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
7592         of "type", with "andi" for the register alternative.
7593         (*zero_extendqihi2): Likewise.
7594         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
7595         of "andi" instead of a "type" of "arith".
7596         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
7597         instead of "type".
7598         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
7599         (mov_<store>r, *mov<mode>_ra): Likewise.
7600         (extendsidi2): Use "move_type" instead of "type", with "move"
7601         for the register alternative.
7602         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
7603         of "type", with "signext" for the register alternative.
7604         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
7605         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
7606         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
7607         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
7608         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
7609         (unnamed branch insn): Likewise.
7610         (*movdi_gp32_fp64): Fold into...
7611         (*movdi_32bit): ...here.
7612         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
7613         (*movdf_hardfloat): ...this new pattern.
7614         (*movdf_softfloat): Remove redundant FPR alternatives.
7615         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
7616         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
7617         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
7618         the "move" attribute.
7619         (*movdi_32bit): Use "move_type" instead of "type" and remove the
7620         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
7621         and "store" for COP loads and stores.
7622         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
7623         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
7624         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
7625         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
7626         (*movtf_mips16, *movv2sf): Likewise.
7627         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
7628         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
7629         (mfhc1<mode>): Use "move_type" instead of "move".
7630         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
7631         (loadgp_blockage): Remove the "length" attribute.
7632         (blockage, set_got_version, update_got_version): Likewise.
7633         (call_internal): Remove the "extended_mips16" attribute.
7634         (call_value_internal, call_value_multiple_internal): Likewise.
7635         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
7636         instead of "move".
7637         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
7638         the "length" attribute.
7639
7640 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7641
7642         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
7643         -Wcast-qual warnings.
7644         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
7645         handle_pragma_pop_macro): Likewise.
7646         * collect2.c (resolve_lib_name): Likewise.
7647         * config/arc/arc.c (arc_init): Likewise.
7648         * config/arm/arm.c (neon_builtin_compare,
7649         locate_neon_builtin_icode): Likewise.
7650         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
7651         * config/bfin/bfin.c (bfin_init_machine_status,
7652         bfin_optimize_loop): Likewise.
7653         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7654         * config/cris/cris.c (cris_init_expanders): Likewise.
7655         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
7656         * config/darwin.c (machopic_indirection_eq,
7657         machopic_indirection_name, machopic_output_indirection): Likewise.
7658         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
7659         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
7660         frv_optimize_membar): Likewise.
7661         * config/i386/cygwin.h (mingw_scan,
7662         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
7663         * config/i386/cygwin1.c (mingw_scan): Likewise.
7664         * config/i386/i386.c (machopic_output_stub): Likewise.
7665         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
7666         i386_pe_unique_section): Likewise.
7667         * config/ia64/ia64.c (ia64_init_machine_status,
7668         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
7669         Likewise.
7670         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
7671         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
7672         * config/m68k/m68k.c (m68k_handle_option,
7673         m68k_sched_md_init_global): Likewise.
7674         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
7675         mcore_unique_section): Likewise.
7676         * config/mips/mips.c (mips_block_move_straight,
7677         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
7678         Likewise.
7679         * config/mmix/mmix.c (mmix_init_machine_status,
7680         mmix_encode_section_info): Likewise.
7681         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
7682         * config/rs6000/rs6000.c (rs6000_init_machine_status,
7683         print_operand_address, output_toc, redefine_groups,
7684         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
7685         * config/s390/s390.c (s390_init_machine_status): Likewise.
7686         * config/score/score.c (score_block_move_straight,
7687         score_block_move_loop_body): Likewise.
7688         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
7689         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
7690         * emit-rtl.c (find_auto_inc): Likewise.
7691         * gcc.c (translate_options, process_command): Likewise.
7692         * reorg.c (dbr_schedule): Likewise.
7693         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
7694         * xcoffout.c (xcoffout_declare_function): Likewise.
7695
7696 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
7697
7698         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
7699         ipa-pta working again.
7700
7701 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
7702
7703         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
7704         genautomata.
7705
7706 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
7707
7708         * config.gcc (powerpc*-*-*): Add new core e500mc.
7709         * config/rs6000/e500mc.md: New file.
7710         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7711         e500mc.
7712         (rs6000_override_options): Add e500mc case to
7713         processor_target_table. Altivec and Spe options not allowed
7714         with e500mc. Add isel instruction to e500mc by
7715         default. Initialize rs6000_cost for e500mc.
7716         (rs6000_issue_rate): Set issue rate for e500mc.
7717         * config/rs6000/rs6000.h (processor_type): Add
7718         PROCESSOR_PPCE500MC.
7719         (ASM_CPU_SPEC): Add e500mc.
7720         Set TARGET_ISEL to rs6000_isel.
7721         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
7722         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
7723         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
7724         Include e500mc.md.
7725         * doc/invoke.texi: Add e500mc to list of cpus.
7726
7727 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7728
7729         PR c/34867
7730         * c-lex.c (lex_charconst): Initialize unsignedp.
7731
7732 2008-06-27  Olivier Hainque  <hainque@adacore.com>
7733
7734         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
7735         documented assumptions.
7736
7737 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
7738
7739         * dwarf2out.c: Remove trailing white spaces.  Break long line
7740         in comments.
7741
7742 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
7743
7744         * libfuncs.h (LTI_synchronize): New libfunc_index.
7745         (synchronize_libfunc): Declare.
7746         * builtins.c (expand_builtin_synchronize): Consider using
7747         synchronize_libfunc before falling back on an asm blockage.
7748         * config/mips/mips.c: Include libfuncs.h
7749         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
7750
7751 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
7752
7753         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
7754         parameter.  Copy stack_reg to r11 where appropriate.
7755         (no_global_regs_above): Add gpr parameter.
7756         (rs6000_stack_info): Only add padding for SPE save area if we
7757         are saving SPE GPRs and CR.
7758         (saveres_routine_syms): New variable.
7759         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
7760         Define.
7761         (rs6000_savres_routine_sym): New function.
7762         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
7763         split out of...
7764         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
7765         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
7766         Tweak FPR out-of-line saving.
7767         (rs6000_make_savres_rtx): New function.
7768         (rs6000_use_multiple_p): New function.
7769         (rs6000_savres_strategy): New function.
7770         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
7771         out-of-line if appropriate.
7772         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
7773         if we are optimizing for size.
7774         (GP_SAVE_INLINE): Define.
7775         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
7776         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
7777         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
7778         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
7779         (*save_fpregs_<mode>): Add use of r11.
7780         (*restore_gpregs_<mode>): New insn.
7781         (*return_and_restore_gpregs_<mode>): New insn.
7782         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
7783         use r11.
7784         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
7785         (*restore_gpregs_spe): New insn.
7786         (*return_and_restore_gpregs_spe): New insn.
7787         * config/rs6000/predicates.md (save_world_operation): Fix check.
7788
7789 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7790
7791         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
7792         this point, so assert that.
7793
7794 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7795
7796         * cfganal.c: Include vec.h and vecprim.h.
7797         (compute_idf): Import from...
7798         * tree-into-ssa (compute_idf): ...here.
7799         * basic-block.h (compute_idf): Export.
7800
7801 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
7802
7803         * c-decl.c (merge_decls): Use !current_function_decl to check for
7804         extern declaration of C99 inline function being at file scope.
7805
7806 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
7807
7808         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
7809
7810 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7811
7812         * alias.c (record_alias_subset, init_alias_analysis): Fix
7813         -Wc++-compat and/or -Wcast-qual warnings.
7814         * attribs.c (lookup_attribute_spec): Likewise.
7815         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
7816         copy_bb, connect_traces,
7817         find_rarely_executed_basic_blocks_and_cr): Likewise.
7818         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
7819         note_btr_set, migrate_btr_defs): Likewise.
7820         * builtins.c (result_vector, expand_builtin_memcpy,
7821         expand_builtin_mempcpy_args, expand_builtin_strncpy,
7822         builtin_memset_read_str, expand_builtin_printf,
7823         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
7824         Likewise.
7825         * caller-save.c (mark_set_regs): Likewise.
7826         * calls.c (expand_call, emit_library_call_value_1): Likewise.
7827         * cgraph.c (cgraph_edge): Likewise.
7828         * combine.c (likely_spilled_retval_1): Likewise.
7829         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
7830         htab_counts_entry_del, get_coverage_counts): Likewise.
7831         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
7832         new_cselib_val): Likewise.
7833         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
7834         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
7835         Likewise.
7836         * df-core.c (df_compact_blocks): Likewise.
7837         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
7838         * df-scan.c (df_grow_reg_info, df_ref_create,
7839         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
7840         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
7841         df_record_entry_block_defs, df_record_exit_block_uses,
7842         df_bb_verify): Likewise.
7843         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
7844         DF_REF_EXTRACT_MODE_CONST): New.
7845         * dominance.c (get_immediate_dominator, get_dominated_by,
7846         nearest_common_dominator, root_of_dom_tree,
7847         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
7848         -Wc++-compat and/or -Wcast-qual warnings.
7849         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
7850         record_store, replace_read, check_mem_read_rtx, scan_insn,
7851         dse_step1, dse_record_singleton_alias_set): Likewise.
7852         * dwarf2asm.c (dw2_force_const_mem): Likewise.
7853
7854 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7855
7856         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
7857         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
7858         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
7859         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
7860         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
7861         add_ranges_num, add_ranges_by_labels, file_info_cmp,
7862         file_name_acquire, output_file_names, add_const_value_attribute,
7863         premark_used_types_helper, file_table_eq, file_table_hash,
7864         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
7865         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
7866         -Wcast-qual warnings.
7867         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
7868         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
7869         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
7870         gen_reg_rtx, start_sequence, init_emit): Likewise.
7871         * et-forest.c (et_new_occ, et_new_tree): Likewise.
7872         * except.c (init_eh_for_function, gen_eh_region,
7873         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
7874         arh_to_landing_pad, arh_to_label, add_action_record,
7875         add_call_site, switch_to_exception_section): Likewise.
7876         * expmed.c (synth_mult): Likewise.
7877         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
7878         store_expr): Likewise.
7879         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
7880         Likewise.
7881         * function.c (assign_stack_temp_for_type,
7882         allocate_struct_function, match_asm_constraints_1): Likewise.
7883         * gcov-io.c (gcov_allocate): Likewise.
7884         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
7885         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
7886         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
7887         record_one_set, insert_expr_in_table, insert_set_in_table,
7888         dump_hash_table, compute_hash_table_work, alloc_hash_table,
7889         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
7890         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
7891         -Wcast-qual warnings.
7892
7893 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7894
7895         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
7896         -Wcast-qual warnings.
7897         * gcc.c (process_command): Likewise.
7898         * genattrtab.c (oballoc): Use XOBNEW.
7899         (oballocvec): Define.
7900         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
7901         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
7902         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
7903         -Wc++-compat and/or -Wcast-qual warnings.
7904         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
7905         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
7906         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
7907         gen_presence_absence_set, gen_automaton, gen_regexp_el,
7908         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
7909         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
7910         add_excls, process_presence_absence_names,
7911         process_presence_absence_patterns, add_presence_absence,
7912         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
7913         get_free_state, add_arc, get_free_automata_list_el,
7914         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
7915         transform_3, cache_presence, create_ainsns, create_automata,
7916         create_state_ainsn_table, dfa_insn_code_enlarge,
7917         output_trans_func, output_min_issue_delay_func,
7918         output_dead_lock_func, output_reset_func,
7919         output_get_cpu_unit_code_func, output_dfa_start_func,
7920         expand_automata): Likewise.
7921         * genextract.c (gen_insn): Likewise.
7922         * gengtype-lex.l: Likewise.
7923         * gengtype.c (read_input_list, adjust_field_type,
7924         process_gc_options): Likewise.
7925         * genoutput.c (note_constraint): Likewise.
7926         * genpreds.c (mangle, add_constraint): Likewise.
7927         * genrecog.c (process_define_predicate, new_decision,
7928         add_to_sequence): Likewise.
7929         * gensupport.c (record_insn_name): Likewise.
7930
7931 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7932
7933         * config/i386/driver-i386.c (detect_caches_amd,
7934         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
7935         and/or -Wcast-qual warnings.
7936         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
7937         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
7938         gt_pch_save): Likewise.
7939         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
7940         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
7941         * global.c (compute_regsets): Likewise.
7942         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
7943         finish_graph_dump_file): Likewise.
7944         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
7945         unlink_bb_notes): Likewise.
7946         * integrate.c (get_hard_reg_initial_val): Likewise.
7947         * ipa-prop.c (ipa_push_func_to_list): Likewise.
7948         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
7949         * local-alloc.c (update_equiv_regs): Likewise.
7950         * loop-invariant.c (check_invariant_table_size,
7951         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
7952         Likewise.
7953         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
7954         altered_reg_used, mark_altered): Likewise.
7955         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
7956         insert_var_expansion_initialization,
7957         combine_var_copies_in_loop_exit, apply_opt_in_copies,
7958         release_var_copies): Likewise.
7959         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
7960         analyze_matrix_decl, add_allocation_site, analyze_transpose,
7961         analyze_accesses_for_phi_node, check_var_notmodified_p,
7962         check_allocation_function, find_sites_in_func,
7963         record_all_accesses_in_func, transform_access_sites,
7964         transform_allocation_sites): Likewise.
7965         * omp-low.c (new_omp_region, create_omp_child_function_name,
7966         check_omp_nesting_restrictions, check_combined_parallel,
7967         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
7968         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
7969         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
7970         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
7971         Likewise.
7972         * opts-common.c (prune_options): Likewise.
7973         * opts.c (add_input_filename, print_filtered_help,
7974         get_option_state): Likewise.
7975         * params.c (add_params): Likewise.
7976         * passes.c (set_pass_for_id, next_pass_1,
7977         do_per_function_toporder, pass_fini_dump_file): Likewise.
7978         * postreload.c (reload_cse_simplify_operands): Likewise.
7979         * predict.c (tree_predicted_by_p, tree_predict_edge,
7980         clear_bb_predictions, combine_predictions_for_bb): Likewise.
7981
7982 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7983
7984         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
7985         warnings.
7986         * recog.c (check_asm_operands, validate_change_1): Likewise.
7987         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
7988         subst_asm_stack_regs): Likewise.
7989         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
7990         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
7991         * regmove.c (reg_is_remote_constant_p): Likewise.
7992         * regrename.c (regrename_optimize, scan_rtx_reg,
7993         kill_clobbered_value, kill_set_value, kill_autoinc_value):
7994         Likewise.
7995         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
7996         regstat_compute_calls_crossed): Likewise.
7997         * reload1.c (init_reload, new_insn_chain,
7998         has_nonexceptional_receiver, reload, copy_reloads,
7999         calculate_needs_all_insns, init_elim_table): Likewise.
8000         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
8001         * rtl.c (shallow_copy_rtx_stat): Likewise.
8002         * rtlanal.c (parms_set): Likewise.
8003         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
8004         sbitmap_resize, sbitmap_vector_alloc): Likewise.
8005         * sched-ebb.c (earliest_block_with_similiar_load,
8006         add_deps_for_risky_insns): Likewise.
8007         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
8008         schedule_region): Likewise.
8009         * see.c (eq_descriptor_pre_extension,
8010         hash_descriptor_pre_extension, hash_del_pre_extension,
8011         eq_descriptor_properties, hash_descriptor_properties,
8012         hash_del_properties, see_seek_pre_extension_expr,
8013         see_initialize_data_structures, see_print_register_properties,
8014         see_print_pre_extension_expr, see_delete_merged_def_extension,
8015         see_delete_unmerged_def_extension, see_emit_use_extension,
8016         see_pre_delete_extension, see_map_extension, see_commit_changes,
8017         see_analyze_merged_def_local_prop,
8018         see_analyze_merged_def_local_prop,
8019         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
8020         see_set_prop_merged_def, see_set_prop_unmerged_def,
8021         see_set_prop_unmerged_use, see_print_one_extension,
8022         see_merge_one_use_extension, see_merge_one_def_extension,
8023         see_store_reference_and_extension, see_update_uses_relevancy,
8024         see_update_defs_relevancy): Likewise.
8025         * statistics.c (hash_statistics_hash, hash_statistics_eq,
8026         hash_statistics_free, curr_statistics_hash): Likewise.
8027         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
8028         expand_asm_operands, expand_return, case_bit_test_cmp,
8029         expand_case): Likewise.
8030         * stor-layout.c (start_record_layout): Likewise.
8031         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
8032         gt_pch_save_stringpool): Likewise.
8033         * tree-data-ref.c (hash_stmt_vertex_info,
8034         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
8035         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
8036
8037 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
8038
8039         PR target/36627
8040         * config/i386/i386.md : Change constraints of HImode and QImode
8041         immediate operands from "i" to "n".  Change SImode "ni" constraint to
8042         "i" and SImode "rmi" constraint to "g".  Remove all constraints
8043         from const0_operand and const1_operand predicated operands.
8044         (i): Change QImode and HImode attribute from "i" to "n".
8045         (*subqi_2): Change HImode operands to QImode.
8046         (*subqi_3): Ditto.
8047
8048 2008-06-25  Olivier Hainque  <hainque@adacore.com>
8049
8050         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
8051         sed substitutions.
8052
8053 2008-06-25  Richard Guenther  <rguenther@suse.de>
8054
8055         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
8056         not overflow the result type.
8057
8058 2008-06-25  Richard Guenther  <rguenther@suse.de>
8059
8060         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
8061         (vn_lookup): Likewise.
8062
8063 2008-06-25  Richard Guenther  <rguenther@suse.de>
8064
8065         PR tree-optimization/35518
8066         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
8067         * tree-sra.c (instantiate_element): Use fold_build3 to build
8068         BIT_FIELD_REFs.
8069         (try_instantiate_multiple_fields): Likewise.
8070
8071 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8072
8073         * config/rs6000/rs6000.md: Change all string instruction's clobber to
8074         be early clobbers.
8075
8076 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8077
8078         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
8079         use_backchain_to_restore_sp to true
8080         if the offset of the link register save area would go over the 32k - 1
8081         offset limit of the load
8082         instructions.
8083
8084 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
8085
8086         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
8087         anchor for the type-punning blurb.  Cross-reference "Structures
8088         unions enumerations and bit-fields implementation".  Provide a
8089         cast-through-pointer example.  Make final sentence self-contained.
8090         * doc/implement-c.texi (Structures unions enumerations and
8091         bit-fields implementation): Cross-reference the type-punning blurb
8092         in the -fstrict-aliasing documentation.
8093
8094 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8095
8096         PR middle-end/36594
8097         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
8098         the memory instead of the memory itself for the save area.
8099
8100 2008-06-24  Olivier Hainque  <hainque@adacore.com>
8101             Nicolas Roche  <roche@adacore.com>
8102
8103         * gengtype.c (srcdir_len): size_t instead of int.
8104         (get_file_realbasename): New function.  For F a filename, the real
8105         basename of F, with all the path components stripped.
8106         (get_file_srcdir_relative_path): New function.  For F a filename, the
8107         relative path to F from $(srcdir).
8108         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
8109         get_file_realbasename.  Adjust the head comment.
8110         (get_prefix_langdir_index): New function. For F a filename, return the
8111         lang_dir_names[] relative index of the language directory that is
8112         a prefix in F.
8113         (get_file_langdir): For F a filename, return the name of the language
8114         directory where F is located.
8115         (get_file_gtfilename): New function. The gt- output file name for an
8116         input filename F.
8117         (get_output_file_with_visibility): Replace in-line computations with
8118         uses of get_file_gtfilename and get_prefix_langdir_index.
8119         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
8120
8121 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
8122
8123         PR tree-optimization/36504
8124         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
8125         references without base address.
8126
8127 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
8128
8129         PR middle-end/36584
8130         * calls.c (expand_call): Increase alignment for recursive functions.
8131
8132 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
8133
8134         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
8135         (TARGET_FUNCTION_VALUE): New define.
8136         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
8137         * config/avr/avr.h (FUNCTION_VALUE): Remove.
8138
8139 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
8140
8141         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
8142         (fmod<mode>3): Ditto.
8143         (remainderxf3): Ditto.
8144         (remainder<mode>3): Ditto.
8145
8146 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
8147
8148         PR target/36533
8149         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
8150         REG is a hard register.
8151
8152         PR tree-optimization/36508
8153         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
8154         499, don't check it at all in release compilers.
8155
8156 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
8157
8158         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
8159         together with SSE_TARGET_MATH to disable insn pattern.
8160         (*fop_<MODEF:mode>_2_i387): Ditto.
8161         (*fop_<MODEF:mode>_3_i387): Ditto.
8162
8163 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
8164
8165         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
8166
8167 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
8168
8169         PR middle-end/34906
8170         * gimplify.c (gimplify_asm_expr): Check the return code of
8171         parse_output_constraint call, set function return and is_inout
8172         value if it failed.
8173
8174 2008-06-22  Ian Lance Taylor  <iant@google.com>
8175
8176         * c-lex.c (narrowest_unsigned_type): Change itk to int.
8177         (narrowest_signed_type): Likewise.
8178         * c-typeck.c (c_common_type): Change local variable mclass to enum
8179         mode_class, twice.
8180         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
8181         tcc_comparison, not the tree code itself.
8182         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
8183         (c_expand_expr): Cast modifier to enum expand_modifier.
8184         * c-common.h (C_RID_CODE): Add casts.
8185         (C_SET_RID_CODE): Define.
8186         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
8187         (c_lex_one_token): Add cast to avoid warning.
8188         (c_parser_objc_type_name): Rename local typename to type_name.
8189         (check_no_duplicate_clause): Change code parameter to enum
8190         omp_clause_code.
8191         (c_parser_omp_var_list_parens): Change kind parameter to enum
8192         omp_clause_code.
8193         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
8194         c_parser_omp_list_var_parens.
8195         (c_parser_omp_threadprivate): Likewise.
8196         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
8197         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
8198         * c-format.c (NO_FMT): Define.
8199         (printf_length_specs): Use NO_FMT.
8200         (asm_fprintf_length_specs): Likewise.
8201         (gcc_diag_length_specs): Likewise.
8202         (scanf_length_specs): Likewise.
8203         (strfmon_length_specs): Likewise.
8204         (gcc_gfc_length_specs): Likewise.
8205         (printf_flag_specs): Change 0 to STD_C89.
8206         (asm_fprintf_flag_specs): Likewise.
8207         (gcc_diag_flag_specs): Likewise.
8208         (gcc_cxxdiag_flag_specs): Likewise.
8209         (scanf_flag_specs): Likewise.
8210         (strftime_flag_specs): Likewise.
8211         (strfmon_flag_specs): Likewise.
8212         (print_char_table): Likewise.
8213         (asm_fprintf_char_table): Likewise.
8214         (gcc_diag_char_table): Likewise.
8215         (gcc_tdiag_char_table): Likewise.
8216         (gcc_cdiag_char_table): Likewise.
8217         (gcc_cxxdiag_char_table): Likewise.
8218         (gcc_gfc_char_table): Likewise.
8219         (scan_char_table): Likewise.
8220         (time_char_table): Likewis.
8221         (monetary_char_table): Likewise.
8222         * c-format.h (BADLEN): Likewise.
8223
8224 2008-06-21  Ian Lance Taylor  <iant@google.com>
8225
8226         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
8227         Define END_OF_BASE_TREE_CODES around inclusion.
8228         * tree.c (tree_code_type): New global array.
8229         (tree_code_length, tree_code_name): Likewise.
8230         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
8231         $(lang_tree_files).
8232         (all-tree.def, s-alltree): New targets.
8233         (gencheck.h, s-gencheck): Remove.
8234         (tree.o): Depend upon all-tree.def.
8235         (build/gencheck.o): Remove gencheck.h dependency.
8236         (mostlyclean): Don't remove gencheck.h.
8237         * c-common.h (enum c_tree_code): Remove.
8238         * c-lang.c (tree_code_type): Remove.
8239         (tree_code_length, tree_code_name): Remove.
8240         * gencheck.c (tree_codes): Include all-tree.def, rather than
8241         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
8242         after it is used.
8243         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
8244         than tree.def.
8245         * cp/cp-tree.h (enum cplus_tree_code): Remove.
8246         (operator_name_info): Size to MAX_TREE_CODES.
8247         (assignment_operator_name_info): Likewise.
8248         * cp/cp-lang.c (tree_code_type): Remove.
8249         (tree_code_length, tree_code_name): Remove.
8250         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
8251         (assignment_operator_name_info): Likewise.
8252         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
8253         MAX_TREE_CODES.
8254         * cp/mangle.c (write_expression): Likewise.
8255         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
8256         * fortran/f95-lang.c (tree_code_type): Remove.
8257         (tree_code_length, tree_code_name): Remove.
8258         * java/java-tree.h (enum java_tree_code): Remove.
8259         * java/lang.c (tree_code_type): Remove.
8260         (tree_code_length, tree_code_name): Remove.
8261         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
8262         * objc/objc-act.h (enum objc_tree_code): Remove.
8263         * objc/objc-lang.c (tree_code_type): Remove.
8264         (tree_code_length, tree_code_name): Remove.
8265         * objcp/objcp-lang.c (tree_code_type): Remove.
8266         (tree_code_length, tree_code_name): Remove.
8267         * ada/ada-tree.h (enum gnat_tree_code): Remove.
8268         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
8269         * ada/misc.c (tree_code_type): Remove.
8270         (tree_code_length, tree_code_name): Remove.
8271
8272 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
8273
8274         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
8275         the grand_bitmap_obstack.
8276
8277 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8278
8279         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
8280         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
8281         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
8282         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
8283         move_stmt_r, new_label_mapper): Likewise.
8284         * tree-complex.c (cvc_lookup): Likewise.
8285         * tree-dfa.c (create_function_ann): Likewise.
8286         * tree-dump.c (dump_register): Likewise.
8287         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
8288         find_phi_replacement_condition): Likewise.
8289         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
8290         tree_function_versioning): Likewise.
8291         * tree-into-ssa.c (cmp_dfsnum): Likewise.
8292         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
8293         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
8294         get_nonlocal_debug_decl, convert_nonlocal_reference,
8295         convert_nonlocal_omp_clauses, get_local_debug_decl,
8296         convert_local_reference, convert_local_omp_clauses,
8297         convert_nl_goto_reference, convert_nl_goto_receiver,
8298         convert_tramp_reference, convert_call_expr): Likewise.
8299         * tree-outof-ssa.c (contains_tree_r): Likewise.
8300         * tree-parloops.c (reduction_phi, initialize_reductions,
8301         eliminate_local_variables_1, add_field_for_reduction,
8302         add_field_for_name, create_phi_for_local_result,
8303         create_call_for_reduction_1, create_loads_for_reductions,
8304         create_stores_for_reduction, create_loads_and_stores_for_name):
8305         Likewise.
8306         * tree-phinodes.c (allocate_phi_node): Likewise.
8307         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
8308         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
8309         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
8310         * tree-ssa-coalesce.c (compare_pairs): Likewise.
8311         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
8312         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
8313         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
8314         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
8315         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
8316         vn_nary_op_insert): Likewise.
8317         * tree-ssa.c (redirect_edge_var_map_add,
8318         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
8319         * tree-vectorizer.c (vectorize_loops): Likewise.
8320         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
8321         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
8322         tree_cons_stat, build1_stat, build_variant_type_copy,
8323         decl_init_priority_lookup, decl_fini_priority_lookup,
8324         decl_priority_info, decl_restrict_base_lookup,
8325         decl_restrict_base_insert, decl_debug_expr_lookup,
8326         decl_debug_expr_insert, decl_value_expr_lookup,
8327         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
8328         type_hash_add, get_file_function_name, tree_check_failed,
8329         tree_not_check_failed, tree_range_check_failed,
8330         omp_clause_range_check_failed, build_omp_clause,
8331         build_vl_exp_stat): Likewise.
8332         * value-prof.c (gimple_histogram_value,
8333         gimple_duplicate_stmt_histograms): Likewise.
8334         * var-tracking.c (attrs_list_insert, attrs_list_copy,
8335         unshare_variable, variable_union_info_cmp_pos, variable_union,
8336         dataflow_set_different_1, dataflow_set_different_2,
8337         vt_find_locations, variable_was_changed, set_variable_part,
8338         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
8339         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
8340         section_entry_hash, object_block_entry_eq,
8341         object_block_entry_hash, create_block_symbol,
8342         initialize_cold_section_name, default_function_rodata_section,
8343         strip_reg_name, set_user_assembler_name, const_desc_eq,
8344         build_constant_desc, output_constant_def, lookup_constant_def,
8345         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
8346         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
8347         default_internal_label): Likewise.
8348         * varray.c (varray_init, varray_grow): Likewise.
8349         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
8350
8351 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
8352
8353         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
8354         operators for "test" insn.  Macroize insn using SWI mode macro.
8355         (*jcc_fused_2): Ditto.
8356         (*jcc_fused_3): Macroize insn using SWI mode macro.
8357         (*jcc_fused_4): Ditto.
8358
8359 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
8360
8361         * tree-ssa-pre.c: Fix typo in comment.
8362         (init_antic, fini_antic): Add explicit funtions for
8363         initializing and deinitializing ANTIC and AVAIL sets.
8364         (create_expression_by_pieces): Fix typo in comment.
8365         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
8366         (execute_pre): Eventually dump details about ANTIC_IN.
8367
8368 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8369
8370         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
8371         * gcc.c (translate_options, init_spec, store_arg, read_specs,
8372         add_to_obstack, file_at_path, find_a_file, execute,
8373         add_preprocessor_option, add_assembler_option, add_linker_option,
8374         process_command, insert_wrapper, do_option_spec, do_self_spec,
8375         spec_path, do_spec_1, is_directory, main, used_arg,
8376         getenv_spec_function): Likewise.
8377         * tlink.c (symbol_hash_lookup, file_hash_lookup,
8378         demangled_hash_lookup, symbol_push, file_push, frob_extension):
8379         Likewise.
8380
8381 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
8382
8383         * doc/rtl.texi: Updated subreg section.
8384
8385 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
8386
8387         PR c++/36523
8388         * cgraphunit.c (cgraph_process_new_functions): Don't clear
8389         node->needed and node->reachable.
8390         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
8391         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
8392         (expand_task_call): Don't call expand_task_copyfn.
8393         (expand_task_copyfn): Renamed to...
8394         (finalize_task_copyfn): ... this.
8395
8396 2008-06-19  Jan Hubicka  <jh@suse.cz>
8397
8398         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
8399         clobbering framepointer.
8400
8401 2008-06-19  Jan Hubicka  <jh@suse.cz>
8402
8403         * tree-optimize.c (execute_early_local_optimizations): Set
8404         cgraph_state only at first invocation.
8405
8406 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8407
8408         * system.h (-Wc++-compat): Activate as a warning, no an error.
8409
8410 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
8411
8412         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
8413         instead of "#" in insn asm template.
8414         (*jcc_fused_2): Ditto.
8415
8416 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
8417
8418         * config/i386/i386.h (ix86_tune_indices)
8419         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
8420         (TARGET_FUSE_CMP_AND_BRANCH): New define.
8421         * config/i386/i386.md (*jcc_fused_1): New insn pattern
8422         (*jcc_fused_2): Ditto.
8423         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
8424         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
8425         (print operand): Handle 'E' and 'e' code.
8426
8427 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
8428
8429         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
8430         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8431         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8432
8433 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
8434
8435         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
8436         node->decl.
8437         (cgraph_expand_function): Use local copy of decl.
8438         (cgraph_expand_all_functions): Remove redundant initialization of
8439         order_pos.
8440         (cgraph_optimize): Reword internal_error message.
8441
8442 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
8443
8444         * arm-protos.h (arm_return_in_memory): Remove public
8445         arm_return_in_memory() prototype.
8446         * arm.c (arm_return_in_memory): Add static prototype, add target
8447         hook macro, change definition and comments.
8448         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
8449
8450 2008-06-19  Ben Elliston  <bje@au.ibm.com>
8451
8452         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
8453         real.c: Remove references to IEEE 754R.
8454         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
8455         * doc/libgcc.texi (Decimal float library routines): Likewise.
8456
8457 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8458
8459         * targhooks.h (struct gcc_target): New member unwind_word_mode.
8460         (default_unwind_word_mode): Add prototype.
8461         * targhooks.c (default_unwind_word_mode): New function.
8462         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
8463         instead of word_mode.
8464         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
8465         (TARGET_INITIALIZER): Use it.
8466
8467         * c-common.c (handle_mode_attribute): Support "unwind_word"
8468         mode attribute.
8469         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
8470
8471         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
8472         word_mode to access SjLj_Function_Context member "data".
8473         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
8474         conversion from targetm.eh_return_filter_mode () to
8475         targetm.unwind_word_mode () if they differ.
8476
8477         * builtin-types.def (BT_UNWINDWORD): New primitive type.
8478         (BT_FN_UNWINDWORD_PTR): New function type.
8479         (BT_FN_WORD_PTR): Remove.
8480         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
8481         * except.c (expand_builtin_extend_pointer): Convert pointer to
8482         targetm.unwind_word_mode () instead of word_mode.
8483
8484         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
8485         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
8486         (spu_unwind_word_mode): New function.
8487         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
8488         (TARGET_UNWIND_WORD_MODE): Define.
8489         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
8490
8491 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8492
8493         * config/spu/spu.c (reg_align): Remove.
8494         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
8495         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
8496         (spu_split_store): Likewise.
8497
8498 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
8499
8500         * gcc/tree-vn.c: Fix typo in comment.
8501
8502 2008-06-18  Jan Hubicka  <jh@suse.cz>
8503
8504         * cgraphunit.c (cgraph_optimize): Output debug info when doing
8505         toplevel reorder too.
8506
8507 2008-06-18  Jan Hubicka  <jh@suse.cz>
8508
8509         * c-opts.c (c_common_post_options): PCH is not compatible with
8510         no-unit-at-a-time.
8511         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
8512         -fno-toplevel-reorder by default now.
8513
8514 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8515
8516         PR documentation/30739
8517         * doc/install.texi (Prerequisites): Document dependency on awk.
8518
8519 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
8520             Ian Lance Taylor  <iant@google.com>
8521
8522         PR rtl-optimization/35604
8523         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
8524         only want to change jump destinations, not eventual label comparisons.
8525
8526 2008-06-16  Jan Hubicka  <jh@suse.cz>
8527
8528         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
8529         syntax errors.
8530         (cgraph_analyze_function): Likewise.
8531
8532 2008-06-16  Jan Hubicka  <jh@suse.cz>
8533
8534         * cgraph.h (cgraph_mark_if_needed): New function.
8535         * cgraphunit.c (cgraph_mark_if_needed): New function.
8536         * c-decl.c (duplicate_decl): Use it.
8537
8538 2008-06-16  Jan Hubicka  <jh@suse.cz>
8539
8540         * cgraph.c (cgraph_add_new_function): When in expansion state, do
8541         lowering.
8542
8543 2008-06-16  Jan Hubicka  <jh@suse.cz>
8544
8545         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
8546
8547 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
8548             Kazu Hirata  <kazu@codesourcery.com>
8549             Maxim Kuvyrkov  <maxim@codesourcery.com
8550
8551         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
8552         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
8553         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
8554         EXTRA_SPEC_FUNCTIONS.
8555         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
8556         (DRIVER_SELF_SPECS): Adjust.
8557         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
8558         * config/mips/st.h, config/mips/t-st: New.
8559         * config/mips/driver-native.c, config/mips/x-native: New.
8560         * doc/invoke.texi (MIPS): Document 'native' value for -march and
8561         -mtune options.
8562
8563 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
8564
8565         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
8566         from it.
8567         (ISA_HAS_FP_CONDMOVE): New macro.
8568         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
8569         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
8570         (ISA_HAS_NMADD3_NMSUB3): New macro.
8571         * config/mips/mips.c (mips_rtx_costs): Update.
8572         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
8573         compiling for ST Loongson 2E/2F.
8574         (madd<mode>): Rename to madd4<mode>.  Update.
8575         (madd3<mode>): New pattern.
8576         (msub<mode>): Rename to msub4<mode>.  Update.
8577         (msub3<mode>): New pattern.
8578         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
8579         (nmadd3<mode>): New pattern.
8580         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
8581         (nmadd3<mode>_fastmath): New pattern.
8582         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
8583         (nmsub3<mode>): New pattern.
8584         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
8585         (nmsub3<mode>_fastmath): New pattern.
8586         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
8587
8588 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
8589
8590         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
8591         (DF_REF_INSN_INFO): New.
8592         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
8593         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
8594         with a NULL DF_REF_INSN_INFO.
8595         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
8596         DF_INSN_SET.
8597         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
8598         DF_INSN_INFO_EQ_USES): New.
8599         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
8600         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
8601         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
8602         * df-core.c: Update comment for above changes.
8603         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
8604         DF_INSN_UID_* macros.
8605         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
8606         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
8607         insn rtx.  Update all callers.
8608         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
8609         df_ref_create_structure, df_insn_refs_collect): Likewise.
8610         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
8611         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
8612         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
8613         macros to access the insn refs.
8614         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
8615         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
8616         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
8617         for accessing the refs.
8618         (try_fwprop_subst): Likewise.
8619         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
8620         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
8621         for accessing the refs.
8622         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
8623         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
8624         to look at the insn refs.
8625         (record_uses): Likewise.
8626         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
8627         function anymore.
8628         (mark_artificial_uses): Don't mark_insn for artificial refs.
8629         (mark_reg_rependencies): Likewise.
8630
8631         * doc/rtl.texi: Remove documentation of ADDRESSOF.
8632
8633 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8634
8635         * configure: Regenerate.
8636
8637 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8638
8639         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
8640         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8641         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8642
8643 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8644
8645         * config/avr/avr.c (avr_mcu_t): Add attiny167.
8646         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8647         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8648
8649 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8650
8651         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
8652         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8653         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8654
8655 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8656
8657         * tree-ssa-sccvn.c: Fix format of comments.
8658
8659 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8660
8661         * cgraph.c: Remove unneeded forward declarations of eq_node()
8662         and hash_node().
8663
8664 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
8665
8666         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
8667         REG_RETVAL notes.
8668         (see_update_relevancy): Likewise.
8669         * fwprop.c (try_fwprop_subst): Likewise.
8670         * rtlanal.c (noop_move_p): Likewise.
8671         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
8672         notes to non-existing libcall blocks.
8673         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
8674         Remove orig_set.
8675         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
8676         (dead_libcall_p): Remove.
8677         (delete_trivially_dead_insns): Don't use it.
8678         * web.c (union_defs): Remove comment about keeping nops.
8679         * gcse.c (hash_scan_insn): Don't take libcall pointers.
8680         (compute_hash_table_work): Don't track libcall notes.
8681         (do_local_cprop): Don't take libcall pointers.  Don't update
8682         libcall notes.
8683         (adjust_libcall_notes): Deleted.
8684         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
8685         ever have existed in the first place).
8686         (replace_store_insn): Don't try to remove libcall notes.
8687         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
8688         (resolve_reg_notes): Don't call them.
8689         (resolve_simple_move): Likewise.
8690         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
8691         Don't remove REG_RETVAL notes.
8692         * emit-rtl.c (try_split): Don't update libcall notes.
8693         (emit_copy_of_insn_after): Dito.
8694         * cselib.c (cselib_current_insn_in_libcall): Remove.
8695         (cselib_process_insn): Don't set/clear it.
8696         (new_elt_loc_list): Don't record it.
8697         (cselib_init): Don't initialize it.
8698         * cselib.c (struct elt_loc_list): Remove in_libcall field.
8699         * loop-invariant.c (find_invariant_insn): Don't look for libcall
8700         notes.
8701         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
8702         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
8703         (init_deps): Don't initialize it.
8704         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
8705         * combine.c (delete_noop_moves): Don't update libcall notes.
8706         (can_combine_p): Remove now pointless #if 0 block.
8707         (try_combine): Remove another obsolete #if 0 block.
8708         (distribute_notes): Don't distribute libcall notes.
8709         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
8710         * dce.c (libcall_dead_p): Remove.
8711         (delete_unmarked_insns): Don't handle libcall blocks.
8712         (preserve_libcall_for_dce): Remove.
8713         (prescan_insns_for_dce): Don't special-case libcall block insns.
8714         * reload1 (reload): Don't handle libcall notes.
8715         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
8716         documentation.
8717
8718 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8719
8720         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
8721         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8722         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8723
8724 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8725
8726         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
8727         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8728         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8729
8730 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8731
8732         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
8733
8734 2008-06-16  Ira Rosen  <irar@il.ibm.com>
8735
8736         PR tree-optimization/36493
8737         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
8738         the arguments list. Use VECTYPE to create vector pointer.
8739         (vectorizable_store): Fail if accesses through a pointer to vectype
8740         do not alias the original memory reference operands.
8741         Call vect_create_data_ref_ptr without the removed argument.
8742         (vectorizable_load): Likewise.
8743         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
8744         removed argument.
8745
8746 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
8747
8748         PR target/36336
8749         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
8750         reg_equiv_constant.
8751
8752 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
8753
8754         * config/mips/loongson2ef.md: New file.
8755         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
8756         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
8757         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
8758         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
8759         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
8760         and loongson_2f.
8761         (loongson2ef.md): New include.
8762         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
8763         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
8764         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
8765         (loongson_gt_<mode>, loongson_extract_halfword)
8766         (loongson_insert_halfword_0, loongson_insert_halfword_2)
8767         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
8768         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
8769         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
8770         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
8771         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
8772         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
8773         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
8774         (vec_interleave_low<mode>): Define type attribute.
8775         * config/mips/mips.c (mips_ls2): New static variable.
8776         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
8777         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
8778         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
8779         Implement target scheduling hooks.
8780         (mips_multipass_dfa_lookahead): Update to handle tuning for
8781         Loongson 2E/2F.
8782         (mips_sched_init): Initialize data for Loongson scheduling.
8783         (mips_ls2_variable_issue): New static function.
8784         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
8785         Add sanity check.
8786         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
8787         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
8788         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
8789         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
8790         Handle ST Loongson 2E/2F cores.
8791         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
8792
8793 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8794
8795         * omp-low.c (extract_omp_for_data): Fix comment typo.
8796         * c.opt: Fix typo.
8797
8798 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8799
8800         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
8801         FIXME note about gcc/config.guess.
8802         * doc/options.texi (Option file format): Remove non-ASCII bytes.
8803         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
8804         * doc/cppopts.texi: Likewise.
8805         * doc/extend.texi: Likewise.
8806         * doc/gcc.texi: Likewise.
8807         * doc/gccint.texi: Likewise.
8808         * doc/gcov.texi: Likewise.
8809         * doc/gty.texi: Likewise.
8810         * doc/hostconfig.texi: Likewise.
8811         * doc/install.texi: Likewise.
8812         * doc/invoke.texi: Likewise.
8813         * doc/loop.texi: Likewise.
8814         * doc/makefile.texi: Likewise.
8815         * doc/md.texi: Likewise.
8816         * doc/passes.texi: Likewise.
8817         * doc/tm.texi: Likewise.
8818         * doc/tree-ssa.texi: Likewise.
8819         * doc/trouble.texi: Likewise.
8820
8821 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
8822             Nathan Sidwell  <nathan@codesourcery.com>
8823             Maxim Kuvyrkov  <maxim@codesourcery.com>
8824             Richard Sandiford  <rdsandiford@googlemail.com>
8825
8826         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
8827         * config/mips/mips-protos.h (mips_expand_vector_init): New.
8828         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
8829         builtins.
8830         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
8831         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
8832         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
8833         V8QImode cases.
8834         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
8835         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
8836         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
8837         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
8838         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
8839         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
8840         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
8841         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
8842         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
8843         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
8844         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
8845         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
8846         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
8847         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
8848         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
8849         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
8850         (mips_builtins): Add Loongson builtins.
8851         (mips_loongson_2ef_bdesc): New.
8852         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
8853         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
8854         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
8855         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
8856         New.
8857         (mips_expand_vector_init): New.
8858         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
8859         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
8860         if appropriate.
8861         * config/mips/mips.md: Add unspec numbers for Loongson
8862         builtins.  Include loongson.md.
8863         (MOVE64): Include Loongson vector modes.
8864         (SPLITF): Include Loongson vector modes.
8865         (HALFMODE): Handle Loongson vector modes.
8866         * config/mips/loongson.md: New.
8867         * config/mips/loongson.h: New.
8868         * config.gcc: Add loongson.h header for mips*-*-* targets.
8869         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
8870
8871 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
8872
8873         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
8874         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
8875         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
8876         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
8877         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
8878         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
8879         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
8880         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
8881         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
8882         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
8883         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
8884         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
8885         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
8886         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
8887         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
8888         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
8889         Remove use_fixproto=yes.
8890         (ia64*-*-hpux*): Remove comment about using fixproto.
8891         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
8892
8893 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8894
8895         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
8896         library rebuilds.
8897         * configure: Regenerate.
8898
8899 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
8900
8901         PR middle-end/36520
8902         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
8903         before evaluating it.
8904
8905 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
8906
8907         PR c/36507
8908         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
8909         nested inline functions.
8910         (start_decl, start_function): Don't invert DECL_EXTERNAL
8911         for nested inline functions.
8912
8913 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8914
8915         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
8916         splits that must be made for correctness.
8917
8918 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8919
8920         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
8921         (AVAIL_NON_MIPS16): Likewise.
8922         (mips_builtin_description): Replace target_flags with a predicate.
8923         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
8924         (dspr2_32): New availability predicates.
8925         (MIPS_BUILTIN): New macro.
8926         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
8927         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
8928         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
8929         Replace the TARGET_FLAGS parameters with AVAIL parameters.
8930         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
8931         (mips_dsp_32only_bdesc): Merge into...
8932         (mips_builtins): ...this new array.
8933         (mips_bdesc_map, mips_bdesc_arrays): Delete.
8934         (mips_init_builtins): Update after above changes.
8935         (mips_expand_builtin_1): Merge into...
8936         (mips_expand_builtin): ...here and update after above changes.
8937
8938 2008-06-12  Paul Brook  <paul@codesourcery.com>
8939
8940         * longlong.h (__arm__): Define count_leading_zeros.
8941         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
8942         (clzsi2, clzdi2): New functions.
8943         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
8944         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
8945         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
8946         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
8947         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
8948         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
8949         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
8950         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
8951         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
8952         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
8953
8954 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
8955
8956         * config/m68k/m68k.c (m68k_tune_flags): New.
8957         (override_options): Compute m68k_tune_flags.
8958         (MULL_COST, MULW_COST): Update for various variants of CFV2.
8959         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
8960
8961 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8962
8963         PR middle-end/36506
8964         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
8965
8966 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8967
8968         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
8969         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
8970
8971 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8972
8973         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
8974         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
8975
8976 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8977
8978         PR middle-end/36506
8979         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
8980         reductions.
8981
8982 2008-06-12  Richard Guenther  <rguenther@suse.de>
8983
8984         PR tree-optimization/36345
8985         * tree-flow.h (struct ptr_info_def): Align escape_mask,
8986         add memory_tag_needed flag.
8987         (may_alias_p): Declare.
8988         * tree-ssa-alias.c (may_alias_p): Export.
8989         (set_initial_properties): Use memory_tag_needed flag.
8990         (update_reference_counts): Likewise.
8991         (reset_alias_info): Reset memory_tag_needed flag.
8992         (create_name_tags): Check memory_tag_needed flag.
8993         (dump_points_to_info_for): Dump it.
8994         * tree-ssa-structalias.c (struct variable_info): Remove
8995         directly_dereferenced flag.
8996         (new_var_info): Do not initialize it.
8997         (process_constraint_1): Do not set it.
8998         (update_alias_info): Set is_dereferenced flag.
8999         (set_uids_in_ptset): Use may_alias_p.
9000         (set_used_smts): Check memory_tag_needed flag.
9001         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
9002         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
9003         memory_tag_needed flag.
9004         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
9005         from broken design.
9006
9007 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
9008
9009         * config/i386/i386.c (ix86_compute_frame_layout): Disable
9010         red zone for w64 abi.
9011         (ix86_expand_prologue): Likewise.
9012         (ix86_force_to_memory): Likewise.
9013         (ix86_free_from_memory): Likewise.
9014
9015 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
9016
9017         PR target/36425
9018         * config/rs6000/rs6000.c (rs6000_override_options): Set
9019         rs6000_isel conditionally to the absence of comand line override.
9020         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
9021         Remove duplicate rs6000_isel setting.
9022         * config/rs6000/eabispe.h: Ditto.
9023
9024 2008-06-11  Richard Guenther  <rguenther@suse.de>
9025
9026         * alias.c (get_alias_set): Use the element alias-set for arrays.
9027         (record_component_aliases): For arrays and vectors do nothing.
9028         * c-common.c (strict_aliasing_warning): Handle the cases
9029         of alias set zero explicitly.
9030         * Makefile.in (dfp.o-warn): Add -Wno-error.
9031
9032 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
9033
9034         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
9035         tune_32 tune_64.
9036         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
9037         tune_32 tune_64 to supported_defaults.  Allow values not
9038         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
9039         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
9040         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
9041         with_cpu_64 to generic for 64-bit-supporting configurations, not
9042         with_cpu.  Remove FIXMEs.
9043         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
9044         --with-arch-64, --with-tune-32, --with-tune-64): Document.
9045         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
9046         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
9047         arch_32 and arch_64.
9048
9049 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
9050             Olivier Hainque  <hainque@adacore.com>
9051
9052         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
9053         Use DECL_SIZE_UNIT to retrieve the size of the field.
9054
9055 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
9056
9057         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
9058         with function calls after declarations.  Lay out
9059         neon_float_type_node before further use.
9060
9061 2008-06-11  Richard Guenther  <rguenther@suse.de>
9062
9063         * tree-flow.h (may_point_to_global_var): Declare.
9064         * tree-ssa-alias.c (may_point_to_global_var): New function.
9065         * tree-ssa-sink.c (is_hidden_global_store): Use it.
9066
9067 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
9068
9069         * configure.ac: Teach that fido supports .debug_line.
9070         * configure: Regenerate.
9071
9072 2008-06-10  Tom Tromey  <tromey@redhat.com>
9073
9074         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
9075         debug hook.
9076
9077 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
9078
9079         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
9080         (encode_decimal64, decode_decimal64, encode_decimal128,
9081         decode_decimal128): Reverse order of 32-bit parts of value if host
9082         and target endianness differ.
9083
9084 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
9085
9086         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
9087         Avoid division by 0.
9088         (tree_mod_pow2_value_transform): Likewise.
9089         (tree_ic_transform): Likewise.
9090         (tree_stringops_transform): Likewise.
9091         (tree_mod_subtract_transform): Likewise.
9092         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
9093         (copy_edges_for_bb): Likewise.
9094         (initialize_cfun): Likewise.
9095
9096 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
9097
9098         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
9099         nonmemory_operand. Add "N" operand constraint.
9100         (*btsi): Ditto.
9101         (*jcc_btdi_mask_rex64): New instruction and split pattern.
9102         (*jcc_btsi_mask): Ditto.
9103         (*jcc_btsi_mask_1): Ditto.
9104
9105 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
9106
9107         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
9108         TYPE_CANONICAL for copied element type.
9109
9110 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
9111
9112         PR target/36473
9113         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
9114         Add m_CORE2 and m_GENERIC.
9115         * config/i386/predicates.md (bt_comparison_operator): New predicate.
9116         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
9117         (*btsi): Ditto.
9118         (*jcc_btdi_rex64): New instruction and split pattern.
9119         (*jcc_btsi): Ditto.
9120         (*jcc_btsi_1): Ditto.
9121         (*btsq): Fix Intel asm dialect operand order.
9122         (*btrq): Ditto.
9123         (*btcq): Ditto.
9124
9125 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
9126
9127         PR middle-end/36447
9128         * simplify-rtx.c (simplify_subreg): Add check for shift count
9129         greater than size.
9130
9131 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
9132
9133         * doc/md.texi: Synchronize with later constraints.md change.
9134         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
9135         with a C implementation.
9136         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
9137         MFLO handling.
9138         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
9139         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
9140         when moving to and from MD_REGNUM.
9141         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
9142         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
9143         Handle byte and halfword moves.
9144         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
9145         separately.
9146         * config/mips/constraints.md (h): Turn into NO_REGS.
9147         (l, x): Update documentation.
9148         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
9149         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
9150         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
9151         (HILO): New mode iterator.
9152         (MOVE128): Add TI.
9153         (any_div): New code iterator.
9154         (u): Extend code attribute to div and udiv.
9155         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
9156         d_operand in the splitters.  Remove redundant CONST_INT checks.
9157         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
9158         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
9159         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
9160         accordingly, using normal moves instead of unspecs to move LO into
9161         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
9162         (<u>mulsidi3): Handle expansion in C code.
9163         (<u>mulsidi3_32bit_internal): Rename to...
9164         (<u>mulsidi3_32bit): ...this.
9165         (<u>mulsidi3_32bit_r4000): Fix insn separator.
9166         (*<u>mulsidi3_64bit): Rename to...
9167         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
9168         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
9169         to set LO and HI to the multiplication result.  Use a normal move
9170         for MFLO and an unspec for MFHI.
9171         (*<u>mulsidi3_64bit_parts): Replace with...
9172         (<u>mulsidi3_64bit_hilo): ...this new instruction.
9173         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
9174         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
9175         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
9176         instead of HI.  Split the instruction into a separate multiplication
9177         and MFHI if !TARGET_FIX_R4000.
9178         (<su>muldi3_highpart): Likewise.
9179         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
9180         and the "=h" clobber.
9181         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
9182         (<u>mulditi3): New expander.
9183         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
9184         (madsi): Remove "=h" clobber.
9185         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
9186         Force the modulus result to be a GPR and split the instruction into
9187         a division followed by an MFHI after reload.
9188         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
9189         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
9190         the MIPS16 HIGH define_split.
9191         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
9192         of acc<->gpr moves to "multi".
9193         (*movdi_64bit): Replace the single "x" alternative with
9194         alternatives for moving into and out of "a".
9195         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
9196         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
9197         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
9198         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
9199         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
9200         (movti): New expander.
9201         (*movti, *movti_mips16): New insns.
9202         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
9203         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
9204         (mthi<GPR:mode>_<HILO:mode>): Likewise.
9205         * config/mips/predicates.md (fpr_operand): Delete.
9206         (d_operand): New predicate.
9207
9208 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
9209
9210         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
9211         failure on some Bourne shells.
9212         (x86_64-*-*): Ditto.
9213
9214 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
9215
9216         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
9217
9218 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
9219
9220         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
9221         (sparc-sun-solaris2*): Likewise.
9222
9223 2008-06-09  Arnaud Charlet  <charlet@adacore.com
9224
9225         * doc/install.texi: Update requirements to build the Ada compiler.
9226
9227 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
9228
9229         * df-scan.c (struct df_scan_problem_data): Remove the
9230         mw_link_pool alloc pool.
9231         (df_scan_free_internal): Don't free it.
9232         (df_scan_alloc): Don't allocate it.
9233         * df.h (struct df_link): Update comment.
9234
9235 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
9236
9237         * except.h: Correct checks for when SJLJ exceptions must be used.
9238
9239 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9240
9241         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
9242         default.
9243
9244 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
9245
9246         PR tree-optimization/36218
9247         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
9248         configure for the build system.
9249         (BUILD_LDFLAGS): Define.
9250         * configure: Regenerate.
9251         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
9252
9253 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
9254
9255         PR target/36424
9256         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
9257         * config/avr/avr.c (avr_hard_regno_rename_ok): New function.
9258         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype.
9259
9260 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
9261
9262         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
9263
9264 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
9265
9266         * config.gcc (Obsolete configurations): Remove list of
9267         configurations.
9268         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
9269         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
9270         targets matched by those patterns.
9271         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
9272         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
9273         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
9274         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
9275         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
9276         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
9277         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
9278         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
9279         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
9280         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
9281         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
9282         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
9283         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
9284         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
9285         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
9286         Make code for Solaris 7 and greater unconditional for Solaris.
9287         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
9288         Remove --with-* handling.
9289         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
9290         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
9291         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
9292         LINK_OS_WINDISS_SPEC): Remove.
9293         * config/rs6000/sysv4.opt (mwindiss): Remove.
9294         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
9295         * configure: Regenerate.
9296         * doc/cpp.texi: Don't mention BeOS.
9297         * doc/extend.texi (interrupt): Don't mention MS1.
9298         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
9299         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
9300         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
9301         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
9302         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
9303         Remove.
9304         * doc/invoke.texi (MT Options): Remove.
9305         (-mwindiss): Remove.
9306         (CRIS Options): Remove cris-axis-aout references.
9307         (HPPA Options): Don't mention hppa1.1-*-pro.
9308         * doc/md.texi: (MorphoTech family): Remove.
9309         * libgcc2.c: Don't handle UWIN.
9310         * config/alpha/t-unicosmk: Remove.
9311         * config/alpha/unicosmk.h: Remove.
9312         * config/arm/kaos-arm.h: Remove.
9313         * config/arm/kaos-strongarm.h: Remove.
9314         * config/arm/strongarm-coff.h: Remove.
9315         * config/arm/strongarm-elf.h: Remove.
9316         * config/arm/strongarm-pe.h: Remove.
9317         * config/arm/t-strongarm-pe: Remove.
9318         * config/arm/t-xscale-coff: Remove.
9319         * config/arm/t-xscale-elf: Remove.
9320         * config/arm/xscale-coff.h: Remove.
9321         * config/arm/xscale-elf.h: Remove.
9322         * config/chorus.h: Remove.
9323         * config/cris/aout.h: Remove.
9324         * config/cris/aout.opt: Remove.
9325         * config/cris/t-aout: Remove.
9326         * config/i386/beos-elf.h: Remove.
9327         * config/i386/kaos-i386.h: Remove.
9328         * config/i386/ptx4-i.h: Remove.
9329         * config/i386/sco5.h: Remove.
9330         * config/i386/sco5.opt: Remove.
9331         * config/i386/sysv4-cpp.h: Remove.
9332         * config/i386/sysv5.h: Remove.
9333         * config/i386/t-beos: Remove.
9334         * config/i386/t-sco5: Remove.
9335         * config/i386/t-uwin: Remove.
9336         * config/i386/uwin.asm: Remove.
9337         * config/i386/uwin.h: Remove.
9338         * config/kaos.h: Remove.
9339         * config/mips/windiss.h: Remove.
9340         * config/mt: Remove directory.
9341         * config/pa/pa-osf.h: Remove.
9342         * config/pa/pa-pro-end.h: Remove.
9343         * config/pa/t-pro: Remove.
9344         * config/ptx4.h: Remove.
9345         * config/rs6000/beos.h: Remove.
9346         * config/rs6000/kaos-ppc.h: Remove.
9347         * config/rs6000/t-beos: Remove.
9348         * config/rs6000/windiss.h: Remove.
9349         * config/sh/kaos-sh.h: Remove.
9350         * config/sol2-6.h: Remove.
9351         * config/sparc/sol26-sld.h: Remove.
9352         * config/sparc/sysv4-only.h: Remove.
9353         * config/vax/bsd.h: Remove.
9354         * config/vax/t-memfuncs: Remove.
9355         * config/vax/ultrix.h: Remove.
9356         * config/vax/vaxv.h: Remove.
9357         * config/windiss.h: Remove.
9358
9359 2008-06-06  Uros Bizjak <ubizjak@gmail.com>
9360
9361         PR rtl-optimization/36438
9362         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
9363         for vector shifts with constant scalar shift operands.
9364
9365 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
9366
9367         * doc/invoke.texi: Document -march=xlr.
9368         * config/mips/xlr.md: New file.
9369         * config/mips/mips.md: Include it.
9370         (cpu): Add "xlr".
9371         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
9372         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
9373         (mips_rtx_cost_data): Likewise.
9374
9375 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
9376
9377         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
9378         PRE_INC and PRE_DEC cases.
9379
9380 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
9381
9382         PR rtl-optimization/36419
9383         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
9384         the emitting jump insn.
9385
9386         PR target/36362
9387         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
9388         is not bool, boolify the whole *expr_p and convert to the desired type.
9389
9390 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
9391
9392         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
9393         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
9394         Add omp_private_outer_ref hook, add another argument to
9395         omp_clause_default_ctor hook.
9396         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
9397         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
9398         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
9399         hook_tree_tree_tree_tree_null.
9400         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
9401         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
9402         * hooks.c (hook_tree_tree_tree_tree_null): New function.
9403         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
9404         * tree.def (OMP_TASK): New tree code.
9405         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
9406         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
9407         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
9408         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
9409         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
9410         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
9411         OMP_CLAUSE_COLLAPSE_EXPR): Define.
9412         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
9413         (OMP_DIRECTIVE_P): Add OMP_TASK.
9414         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
9415         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
9416         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
9417         and OMP_CLAUSE_UNTIED entries.
9418         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
9419         num_ops to 2.
9420         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
9421         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
9422         * tree-pretty-print.c (dump_omp_clause): Handle
9423         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
9424         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
9425         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
9426         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
9427         warning about unsigned iterators.  Change decl/init/cond/incr
9428         arguments to TREE_VECs, check arguments for all collapsed loops.
9429         (c_finish_omp_taskwait): New function.
9430         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
9431         ws_clauses.
9432         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
9433         default_function_array_conversion on init.  Add par_clauses argument.
9434         If decl is present in parallel's lastprivate clause, change it to
9435         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
9436         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
9437         collapse count in clauses.
9438         (c_parser_omp_for, c_parser_omp_parallel): Adjust
9439         c_parser_omp_for_loop callers.
9440         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
9441         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
9442         (c_parser_omp_clause_name): Handle collapse and untied clauses.
9443         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
9444         functions.
9445         (c_parser_omp_clause_schedule): Handle schedule(auto).
9446         Include correct location in the error message.
9447         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
9448         and PRAGMA_OMP_CLAUSE_UNTIED.
9449         (OMP_TASK_CLAUSE_MASK): Define.
9450         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
9451         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
9452         * tree-nested.c (convert_nonlocal_omp_clauses,
9453         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
9454         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
9455         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
9456         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
9457         OMP_CLAUSE_DECL.
9458         (conver_nonlocal_reference, convert_local_reference,
9459         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
9460         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
9461         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
9462         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
9463         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
9464         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
9465         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
9466         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
9467         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
9468         OMP_CLAUSE_UNTIED.
9469         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
9470         * c-common.h (c_finish_omp_taskwait): New prototype.
9471         * gimple-low.c (lower_stmt): Handle OMP_TASK.
9472         * tree-parloops.c (create_parallel_loop): Create 1 entry
9473         vectors for OMP_FOR_{INIT,COND,INCR}.
9474         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
9475         (make_edges): Handle OMP_TASK.
9476         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
9477         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9478         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
9479         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
9480         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
9481         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
9482         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
9483         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
9484         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
9485         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
9486         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
9487         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
9488         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
9489         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
9490         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
9491         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
9492         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
9493         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
9494         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
9495         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
9496         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
9497         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
9498         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
9499         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
9500         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
9501         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
9502         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
9503         original iterator is present in lastprivate clause or if
9504         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
9505         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9506         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
9507         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
9508         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
9509         if it is set, lookup var in outer contexts too.  Handle
9510         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
9511         to be implicitly determined firstprivate for task regions.
9512         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
9513         if it is set, lookup var in outer contexts too.  Set
9514         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
9515         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
9516         OMP_CLAUSE_UNTIED.  Take region_type as last argument
9517         instead of in_parallel and in_combined_parallel.
9518         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9519         Adjust callers.
9520         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
9521         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
9522         (new_omp_context): Set default_kind to
9523         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
9524         (omp_region_type): New enum.
9525         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
9526         fields, add region_type.
9527         (new_omp_context): Take region_type as argument instead of is_parallel
9528         and is_combined_parallel.
9529         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
9530         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
9531         ctx->is_combined_parallel checks.
9532         (gimplify_omp_task): New function.
9533         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
9534         OMP_CLAUSE_UNTIED.
9535         * omp-low.c (extract_omp_for_data): Use schedule(static)
9536         for schedule(auto).  Handle pointer and unsigned iterators.
9537         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
9538         Add loops argument.  Extract data for collapsed OMP_FOR loops.
9539         (expand_parallel_call): Assert sched_kind isn't auto,
9540         map runtime schedule to index 3.
9541         (struct omp_for_data_loop): New type.
9542         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
9543         Add loop, loops, collapse and iter_type fields.
9544         (workshare_safe_to_combine_p): Disallow combined for if
9545         iter_type is unsigned long long.  Don't combine collapse > 1 loops
9546         unless all bounds and steps are constant.  Adjust extract_omp_for_data
9547         caller.
9548         (expand_omp_for_generic): Handle pointer, unsigned and long long
9549         iterators.  Handle collapsed OMP_FOR loops.  Adjust
9550         for struct omp_for_data changes.  If libgomp function doesn't return
9551         boolean_type_node, add comparison of the return value with 0.
9552         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
9553         pointer, unsigned and long long iterators.  Adjust for struct
9554         omp_for_data changes.
9555         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
9556         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
9557         unsigned long long.  Allocate loops array, pass it to
9558         extract_omp_for_data.  For collapse > 1 loops use always
9559         expand_omp_for_generic.
9560         (omp_context): Add sfield_map and srecord_type fields.
9561         (is_task_ctx, lookup_sfield): New functions.
9562         (use_pointer_for_field): Use is_task_ctx helper.  Change first
9563         argument's type from const_tree to tree.  Clarify comment.
9564         In OMP_TASK disallow copy-in/out sharing.
9565         (build_sender_ref): Call lookup_sfield instead of lookup_field.
9566         (install_var_field): Add mask argument.  Populate both record_type
9567         and srecord_type if needed.
9568         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
9569         in srecord_type.
9570         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
9571         and DECL_FIELD_OFFSET.
9572         (scan_sharing_clauses): Adjust install_var_field callers.  For
9573         firstprivate clauses on explicit tasks allocate the var by value in
9574         record_type unconditionally, rather than by reference.
9575         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
9576         Use is_taskreg_ctx instead of is_parallel_ctx.
9577         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
9578         (create_omp_child_function_name): Add task_copy argument, use
9579         *_omp_cpyfn* names if it is true.
9580         (create_omp_child_function): Add task_copy argument, if true create
9581         *_omp_cpyfn* helper function.
9582         (scan_omp_parallel): Adjust create_omp_child_function callers.
9583         Rename parallel_nesting_level to taskreg_nesting_level.
9584         (scan_omp_task): New function.
9585         (lower_rec_input_clauses): Don't run constructors for firstprivate
9586         explicit task vars which are initialized by *_omp_cpyfn*.
9587         Pass outer var ref to omp_clause_default_ctor hook if
9588         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
9589         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
9590         OMP_CLAUSE_REDUCTION_INIT.
9591         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
9592         avoid duplicate setting of fields.  Handle
9593         OMP_CLAUSE_PRIVATE_OUTER_REF.
9594         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
9595         copy-out if TREE_READONLY, only copy-in.
9596         (expand_task_copyfn): New function.
9597         (expand_task_call): New function.
9598         (struct omp_taskcopy_context): New type.
9599         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
9600         New functions.
9601         (lower_omp_parallel): Rename to...
9602         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
9603         Call create_task_copyfn if srecord_type is needed.  Adjust
9604         sender_decl type.
9605         (task_shared_vars): New variable.
9606         (check_omp_nesting_restrictions): Warn if work-sharing,
9607         barrier, master or ordered region is closely nested inside OMP_TASK.
9608         Add warnings for barrier if closely nested inside of work-sharing,
9609         ordered, or master region.
9610         (scan_omp_1): Call check_omp_nesting_restrictions even for
9611         GOMP_barrier calls.  Rename parallel_nesting_level to
9612         taskreg_nesting_level.  Handle OMP_TASK.
9613         (lower_lastprivate_clauses): Even if some lastprivate is found on a
9614         work-sharing construct, continue looking for them on parent parallel
9615         construct.
9616         (lower_omp_for_lastprivate): Add lastprivate clauses
9617         to the beginning of dlist rather than end.  Adjust for struct
9618         omp_for_data changes.
9619         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
9620         not after it.  Handle collapsed OMP_FOR loops, adjust for
9621         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
9622         (get_ws_args_for): Adjust extract_omp_for_data caller.
9623         (scan_omp_for): Handle collapsed OMP_FOR
9624         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9625         (lower_omp_single_simple): If libgomp function doesn't return
9626         boolean_type_node, add comparison of the return value with 0.
9627         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
9628         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
9629         (parallel_nesting_level): Rename to...
9630         (taskreg_nesting_level): ... this.
9631         (is_taskreg_ctx): New function.
9632         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
9633         of is_parallel_ctx.
9634         (execute_lower_omp): Rename parallel_nesting_level to
9635         taskreg_nesting_level.
9636         (expand_omp_parallel): Rename to...
9637         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
9638         Call omp_task_call for OMP_TASK regions.
9639         (expand_omp): Adjust caller, handle OMP_TASK.
9640         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
9641
9642         * bitmap.c (bitmap_default_obstack_depth): New variable.
9643         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
9644         if argument is NULL and bitmap_default_obstack is already initialized.
9645         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
9646         at the end.
9647         * matrix-reorg.c (matrix_reorg): Likewise.
9648
9649 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
9650
9651         * config/i386/i386.md (*indirect_jump): Macroize using P
9652         mode iterator.  Remove !TARGET_64BIT from insn constraints.
9653         (*tablejump_1): Ditto.
9654         (*indirect_jump_rex64): Remove insn pattern.
9655         (*tablejump_1_rex64): Ditto.
9656         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
9657         and eh_return_si insn patterns.
9658
9659 2008-06-06  Richard Guenther  <rguenther@suse.de>
9660
9661         * tree-ssa-structalias.c (merge_smts_into): Remove.
9662         (find_what_p_points_to): Do not bother to compute the
9663         points-to set for pt_anything pointers.
9664         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
9665         for pt_anything pointers is ok.
9666
9667 2008-06-06  Jan Hubicka  <jh@suse.cz>
9668
9669         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
9670
9671 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9672
9673         * cgraph.c: Fix typos in comments.
9674         (cgraph_availability_names): Fix string typo.
9675         * fold-const.c: Fix typos in comments.
9676         (fold_binary): Fix typo in warning.
9677         * genautomata.c: Fix typos in comments.
9678         (check_presence_pattern_sets): Fix typo in local variable.
9679         (output_description): Fix typo in output.
9680         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
9681         * hwint.h: Likewise.
9682         * matrix-reorg.c (check_allocation_function): Likewise.
9683         * omega.c (smooth_weird_equations): Likewise.
9684         * auto-inc-dec.c: Fix typos in comments.
9685         * bb-reorder.c: Likewise.
9686         * builtins.c: Likewise.
9687         * c-common.c: Likewise.
9688         * c-cppbuiltin.c: Likewise.
9689         * c-parser.c: Likewise.
9690         * c-pretty-print.c: Likewise.
9691         * cfgcleanup.c: Likewise.
9692         * cfgexpand.c: Likewise.
9693         * cfghooks.c: Likewise.
9694         * cfglayout.c: Likewise.
9695         * cfgloopmanip.c: Likewise.
9696         * cgraphunit.c: Likewise.
9697         * coverage.c: Likewise.
9698         * dbxout.c: Likewise.
9699         * df-byte-scan.c: Likewise.
9700         * df-core.c: Likewise.
9701         * df-problems.c: Likewise.
9702         * df-scan.c: Likewise.
9703         * dfp.c: Likewise.
9704         * dominance.c: Likewise.
9705         * domwalk.c: Likewise.
9706         * dse.c: Likewise.
9707         * dwarf2out.c: Likewise.
9708         * emit-rtl.c: Likewise.
9709         * et-forest.c: Likewise.
9710         * function.c: Likewise.
9711         * function.h: Likewise.
9712         * gcc.c: Likewise.
9713         * gcov-io.c: Likewise.
9714         * gcov.c: Likewise.
9715         * gcse.c: Likewise.
9716         * genattrtab.c: Likewise.
9717         * ggc-page.c: Likewise.
9718         * gimplify.c: Likewise.
9719         * gthr-lynx.h: Likewise.
9720         * haifa-sched.c: Likewise.
9721         * ipa-cp.c: Likewise.
9722         * ipa-inline.c: Likewise.
9723         * ipa-prop.h: Likewise.
9724         * ipa-pure-const.c: Likewise.
9725         * ipa-struct-reorg.c: Likewise.
9726         * ipa-struct-reorg.h: Likewise.
9727         * ipa-type-escape.c: Likewise.
9728         * ipa.c: Likewise.
9729         * loop-doloop.c: Likewise.
9730         * mips-tfile.c: Likewise.
9731         * mkmap-flat.awk: Likewise.
9732         * mkmap-symver.awk: Likewise.
9733         * modulo-sched.c: Likewise.
9734         * omp-low.c: Likewise.
9735         * optabs.c: Likewise.
9736         * optabs.h: Likewise.
9737         * opts.c: Likewise.
9738         * passes.c: Likewise.
9739         * postreload-gcse.c: Likewise.
9740         * postreload.c: Likewise.
9741         * predict.c: Likewise.
9742         * pretty-print.h: Likewise.
9743         * profile.c: Likewise.
9744         * protoize.c: Likewise.
9745         * ra-conflict.c: Likewise.
9746         * real.c: Likewise.
9747         * recog.c: Likewise.
9748         * regclass.c: Likewise.
9749         * regs.h: Likewise.
9750         * reload.c: Likewise.
9751         * rtl-error.c: Likewise.
9752         * rtlanal.c: Likewise.
9753         * scan.h: Likewise.
9754         * sched-rgn.c: Likewise.
9755         * see.c: Likewise.
9756         * stmt.c: Likewise.
9757         * target.h: Likewise.
9758         * tree-dfa.c: Likewise.
9759         * tree-eh.c: Likewise.
9760         * tree-flow-inline.h: Likewise.
9761         * tree-inline.c: Likewise.
9762         * tree-into-ssa.c: Likewise.
9763         * tree-loop-distribution.c: Likewise.
9764         * tree-nested.c: Likewise.
9765         * tree-parloops.c: Likewise.
9766         * tree-pass.h: Likewise.
9767         * tree-pretty-print.c: Likewise.
9768         * tree-profile.c: Likewise.
9769         * tree-scalar-evolution.c: Likewise.
9770         * tree-sra.c: Likewise.
9771         * tree-ssa-alias-warnings.c: Likewise.
9772         * tree-ssa-ccp.c: Likewise.
9773         * tree-ssa-coalesce.c: Likewise.
9774         * tree-ssa-dom.c: Likewise.
9775         * tree-ssa-dse.c: Likewise.
9776         * tree-ssa-forwprop.c: Likewise.
9777         * tree-ssa-live.c: Likewise.
9778         * tree-ssa-live.h: Likewise.
9779         * tree-ssa-loop-im.c: Likewise.
9780         * tree-ssa-loop-ivopts.c: Likewise.
9781         * tree-ssa-loop-niter.c: Likewise.
9782         * tree-ssa-loop-prefetch.c: Likewise.
9783         * tree-ssa-phiopt.c: Likewise.
9784         * tree-ssa-phiprop.c: Likewise.
9785         * tree-ssa-sccvn.c: Likewise.
9786         * tree-ssa-ter.c: Likewise.
9787         * tree-ssa-threadupdate.c: Likewise.
9788         * tree-ssa.c: Likewise.
9789         * tree-vect-analyze.c: Likewise.
9790         * tree-vect-transform.c: Likewise.
9791         * tree-vectorizer.c: Likewise.
9792         * tree-vn.c: Likewise.
9793         * tree-vrp.c: Likewise.
9794         * tree.c: Likewise.
9795         * tree.def: Likewise.
9796         * tree.h: Likewise.
9797         * unwind-dw2-fde.c: Likewise.
9798         * unwind.inc: Likewise.
9799         * value-prof.c: Likewise.
9800         * vmsdbgout.c: Likewise.
9801
9802 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
9803
9804         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
9805         always place FP constants in the TOC for TARGET_POWERPC64.
9806         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
9807
9808 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
9809
9810         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
9811         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
9812         enable for TARGET_E500_DOUBLE.
9813         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
9814         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
9815         floating-point modes like integer modes for E500 double.
9816         (rs6000_legitimate_offset_address_p): Likewise.
9817         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
9818         addressing for DDmode for E500 double.
9819         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
9820         modes as using 64-bits of registers for E500 double.
9821         (spe_build_register_parallel): Do not handle DDmode or TDmode.
9822         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
9823         specially for E500 double.
9824         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
9825         TDmode for E500 double.
9826         (rs6000_gimplify_va_arg): Only handle SDmode in registers
9827         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
9828         (rs6000_split_multireg_move): Do not handle TDmode specially for
9829         E500 double.
9830         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
9831         using 64-bit registers for E500 double.
9832         (emit_frame_save): Do not handle DDmode specially for E500 double.
9833         (gen_frame_mem_offset): Likewise.
9834         (rs6000_function_value): Do not call spe_build_register_parallel
9835         for DDmode or TDmode.
9836         (rs6000_libcall_value): Likewise.
9837         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
9838         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
9839         for E500 double.
9840
9841 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
9842
9843         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
9844         in comments.
9845
9846 2008-06-04  Junjie Gu <jgu@tensilica.com>
9847
9848         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
9849         comparison for frame pointers.
9850
9851 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9852
9853         PR target/27386
9854         * config/avr/avr.h (PUSH_ROUNDING): Remove.
9855
9856 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9857
9858         PR target/30243
9859         * builtins.c (expand_builtin_signbit): Don't take lowpart when
9860         register is already smaller or equal to required mode.
9861
9862 2008-06-04  Xinliang David Li  <davidxl@google.com>
9863
9864         * tree-call-cdce.c: New file.
9865         (cond_dead_built_in_calls): New static variable.
9866         (input_domain): New struct.
9867         (check_pow): New function.
9868         (check_builtin_call): Ditto.
9869         (check_target_format): Ditto.
9870         (is_call_dce_candidate): Ditto.
9871         (gen_one_condition): Ditto.
9872         (gen_conditions_for_domain): Ditto.
9873         (get_domain): Ditto.
9874         (gen_conditions_for_pow_cst_base): Ditto.
9875         (gen_conditions_for_pow_int_base): Ditto.
9876         (gen_conditions_for_pow): Ditto.
9877         (get_no_error_domain): Ditto.
9878         (gen_shrink_wrap_conditions): Ditto.
9879         (shrink_wrap_one_built_in_call): Ditto.
9880         (shink_wrap_conditional_dead_built_in_calls): Ditto.
9881         (tree_call_cdce): Ditto.
9882         (gate_call_cdce): Ditto.
9883         (pass_call_cdce): New gimple pass.
9884         * passes.c: (init_optimization_passes): New pass.
9885         * tree-pass.h: New pass declaration.
9886         * opts.c (decode_options): New flag setting.
9887         * common.opt: Add -ftree-builtin-call-dce flag.
9888         * Makefile.in: Add new source file.
9889         * tempvar.def: New tv_id.
9890         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
9891
9892 2008-06-04  Richard Guenther  <rguenther@suse.de>
9893
9894         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
9895         (is_call_clobbered): Always check var_ann->call_clobbered.
9896         (mark_call_clobbered): Always set var_ann->call_clobbered.
9897         (clear_call_clobbered): Always clear var_ann->call_clobbered.
9898         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
9899         (reset_alias_info): Clear call clobbering info on MTAGs and
9900         globals as well.
9901         (set_pt_anything): Set pt_global_mem.
9902         (create_tag_raw): Adjust comment.
9903         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
9904
9905 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
9906             Maxim Kuvyrkov  <maxim@codesourcery.com>
9907
9908         * config/m68k/m68k.opt (mxgot): New option.
9909         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
9910         (m68k_output_addr_const_extra): New.
9911         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
9912         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
9913         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
9914         * doc/invoke.texi (M680x0 Options): Document -mxgot.
9915
9916 2008-06-04  Richard Guenther  <rguenther@suse.de>
9917
9918         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
9919         negative or non-representable offsets.
9920
9921 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
9922
9923         * config/i386/i386.c (ix86_gen_leave): New.
9924         (ix86_gen_pop1): Likewise.
9925         (ix86_gen_add3): Likewise.
9926         (ix86_gen_sub3): Likewise.
9927         (ix86_gen_sub3_carry): Likewise.
9928         (ix86_gen_one_cmpl2): Likewise.
9929         (ix86_gen_monitor): Likewise.
9930         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
9931         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
9932         ix86_gen_one_cmpl2 and ix86_gen_monitor.
9933         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
9934         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
9935         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
9936         (ix86_expand_epilogue): Updated.
9937         (print_operand): Handle integer register operand for 'z'.
9938         (ix86_expand_strlensi_unroll_1): Likewise.
9939         (ix86_expand_strlen): Likewise.
9940         (ix86_expand_builtin): Likewise.
9941         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
9942         mov{q}/mov{l} and add{q}/add{l}.
9943
9944 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9945
9946         * config/i386/i386.md (P): New mode iterator.
9947         (SFmode push_operand splitter): Macroize DImode and SImode pushes
9948         using P mode iterator.
9949         (DFmode push_operand splitter): Ditto.
9950         (XFmode push_operand splitter): Ditto.
9951         (DFmode float_extend SFmode push_operand splitter): Ditto.
9952         (XFmode float_extend SFmode push_operand splitter): Do not generate
9953         SImode pushes for 64bit target.  Macroize Dimode and SImode
9954         pushes using P mode iterator.
9955         (XFmode float_extend DFmode push_operand splitter): Ditto.
9956
9957 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9958
9959         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
9960         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
9961         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
9962         return type to int.
9963         (ix86_call_abi_override): Remove check for call_used_regs.
9964
9965 2008-06-03  Richard Guenther  <rguenther@suse.de>
9966
9967         * tree-ssa-structalias.c (find_func_aliases): Add constraints
9968         for the lhs of calls if the return type contains pointers.
9969
9970 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9971
9972         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
9973         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
9974         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
9975         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
9976         of cfun and DEFAULT_ABI to deceide abi mode.
9977         (DEFAULT_ABI): New.
9978         (REG_PARM_STACK_SPACE): Removed.
9979         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
9980         (STACK_BOUNDARY): Use default target to deceide stack boundary.
9981         * config/i386/i386-protos.h (ix86_cfun_abi): New.
9982         (ix86_function_abi): Likewise.
9983         (ix86_function_type_abi): Likewise.
9984         (ix86_call_abi_override): Likewise.
9985         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
9986         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
9987         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
9988         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
9989         specific defines.
9990         (X86_64_REGPARM_MAX): New.
9991         (X86_64_SSE_REGPARM_MAX): New.
9992         (X64_REGPARM_MAX): New.
9993         (X64_SSE_REGPARM_MAX): New.
9994         (X86_32_REGPARM_MAX): New.
9995         (X86_32_SSE_REGPARM_MAX): New.
9996         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
9997         (ix86_function_regparm): Handle user calling abi.
9998         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
9999         by DEFAULT_ABI versus SYSV_ABI check.
10000         (ix86_reg_parm_stack_space): New.
10001         (ix86_function_type_abi): New.
10002         (ix86_call_abi_override): New.
10003         (ix86_function_abi): New.
10004         (ix86_cfun_abi): New.
10005         (init_cumulative_args): Call abi specific initialization.
10006         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
10007         (function_arg_64): Extend SSE_REGPARM_MAX check.
10008         (function_arg (): Remove TARGET_64BIT_MS_ABI.
10009         (ix86_pass_by_reference): Likewise.
10010         (ix86_function_value_regno_p): Likewise.
10011         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
10012         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
10013         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
10014         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
10015         (setup_incoming_varargs_64): Adjust regparm for call abi.
10016         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
10017         (ix86_va_start): Likewise.
10018         (ix86_gimplify_va_arg): Likewise.
10019         (ix86_expand_prologue): Likewise.
10020         (output_pic_addr_const): Likewise.
10021         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
10022         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
10023         (x86_output_mi_thunk): Likewise.
10024         (x86_function_profiler): Likewise.
10025         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
10026         (SYSV_ABI, MS_ABI): New constants.
10027         (DEFAULT_ABI): New.
10028         (init_regs): Add prototype of function in regclass.c file.
10029         (OVERRIDE_ABI_FORMAT): New.
10030         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
10031         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
10032         (OUTGOING_REG_PARM_STACK_SPACE): New.
10033         (ix86_reg_parm_stack_space): New prototype.
10034         (CUMULATIVE_ARGS): Add call_abi member.
10035         (machine_function): Add call_abi member.
10036         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
10037         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
10038
10039 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
10040
10041         PR target/34879
10042         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
10043         (avr_builtin_setjmp_frame_value): New function.
10044         * config/avr/avr.md (nonlocal_goto_receiver): Define.
10045         (nonlocal_goto): Define.
10046
10047 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
10048
10049         * config/mips/mips.c (mips_emit_loadgp): Return early if
10050         there is nothing do to, otherwise emit a blockage if
10051         !TARGET_EXPLICIT_RELOCS || crtl->profile.
10052         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
10053
10054 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10055
10056         * configure.ac: Drop unneeded backslash ending up in config.in.
10057         * acinclude.m4: Likewise.
10058         * config.in: Regenerate.
10059
10060 2008-05-26  Jan Hubicka  <jh@suse.cz>
10061
10062         * predict.c (maybe_hot_frequency_p): Break out of...
10063         (maybe_hot_bb_p): ... here.
10064         (maybe_hot_edge_p): New.
10065         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
10066         * basic-block.h (maybe_hot_edge_p): Declare.
10067
10068 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
10069
10070         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
10071         (*cmpfp_<mode>_cc): Ditto.
10072         (*fp_jcc_8<mode>_387): Ditto.
10073         (*fop_<MODEF:mode>_2_i387): Ditto.
10074         (*fop_<MODEF:mode>_3_i387): Ditto.
10075         (*fop_xf_2_i387): Ditto.
10076         (*fop_xf_3_i387): Ditto.
10077
10078 2008-06-02  Tomas Bily  <tbily@suse.cz>
10079
10080         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
10081
10082 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
10083
10084         * config/mips/mips.c (mips_valid_offset_p): New function.
10085         (mips_valid_lo_sum_p): Likewise.
10086         (mips_classify_address): Use them.
10087         (mips_force_address): New function.
10088         (mips_legitimize_address): Use it.
10089         * config/mips/mips.md (MOVE128): New mode iterator.
10090         (movtf): Require TARGET_64BIT.  Remove empty strings.
10091         (*movtf_internal): Rename to...
10092         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
10093         of "R" and use {,fp}{load,store} attributes instead of "multi".
10094         Use a separate define_split.
10095         (*movtf_mips16): New pattern.
10096
10097 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
10098
10099         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
10100         * config/mips/mips.c (mips_expand_before_return): New function.
10101         (mips_expand_epilogue): Call it.
10102         * config/mips/mips.md (return): Turn into a define_expand.
10103         (*return): New insn.
10104
10105 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
10106
10107         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
10108         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
10109         functions.  Do not emit uses and clobbers of CONCATs; individually
10110         use and clobber their operands.
10111         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
10112         gen_clobber, emit_use and gen_use.
10113         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
10114         (expand_builtin_return): Likewise.
10115         * cfgbuild.c (count_basic_blocks): Likewise.
10116         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
10117         * explow.c (emit_stack_restore): Likewise.
10118         * expmed.c (extract_bit_field_1): Likewise.
10119         * expr.c (convert_move, emit_move_complex_parts): Likewise.
10120         (emit_move_multi_word, store_constructor): Likewise.
10121         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
10122         (thread_prologue_and_epilogue_insns): Likewise.
10123         * lower-subreg.c (resolve_simple_move): Likewise.
10124         * optabs.c (widen_operand, expand_binop): Likewise.
10125         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
10126         * reload.c (find_reloads): Likewise.
10127         * reload1.c (eliminate_regs_in_insn): Likewise.
10128         * stmt.c (expand_nl_goto_receiver): Likewise.
10129         * config/alpha/alpha.md (builtin_longjmp): Likewise.
10130         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
10131         * config/arm/arm.c (arm_load_pic_register): Likewise.
10132         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
10133         * config/arm/arm.md (untyped_return): Likewise.
10134         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
10135         * config/avr/avr.c (expand_prologue): Likewise.
10136         * config/bfin/bfin.c (do_unlink): Likewise.
10137         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
10138         * config/cris/cris.c (cris_expand_prologue): Likewise.
10139         * config/darwin.c (machopic_indirect_data_reference): Likewise.
10140         (machopic_legitimize_pic_address): Likewise.
10141         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
10142         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
10143         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
10144         (ix86_expand_convert_uns_didf_sse): Likewise.
10145         (ix86_expand_vector_init_general): Likewise.
10146         * config/ia64/ia64.md (eh_epilogue): Likewise.
10147         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
10148         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
10149         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
10150         (config/iq2000/iq2000.c): Likewise.
10151         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
10152         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
10153         (builtin_longjmp): Likewise.
10154         * config/mn10300/mn10300.md (call, call_value): Likewise.
10155         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
10156         * config/pdp11/pdp11.md (abshi2): Likewise.
10157         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
10158         * config/s390/s390.c (s390_emit_prologue): Likewise.
10159         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
10160         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
10161         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
10162         * config/sh/sh.c (prepare_move_operands): Likewise.
10163         (output_stack_adjust, sh_expand_epilogue): Likewise.
10164         (sh_set_return_address, sh_expand_t_scc): Likewise.
10165         * config/sparc/sparc.c (load_pic_register): Likewise.
10166         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
10167         * config/spu/spu.c (spu_expand_epilogue): Likewise.
10168         * config/v850/v850.c (expand_epilogue): Likewise.
10169
10170 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
10171
10172         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
10173         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
10174         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
10175         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
10176         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
10177         stack pointer register.
10178         (output_movhi): Remove code for interrupt specific writing to the
10179         stack pointer register.
10180
10181 2008-05-31  Richard Guenther  <rguenther@suse.de>
10182
10183         PR tree-optimization/34244
10184         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
10185         (tree_expr_nonzero_warnv_p): Likewise.
10186         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
10187         ssa_name_nonnegative_p.
10188         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
10189         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
10190         not tree_expr_nonzero_warnv_p.
10191
10192         PR tree-optimization/36262
10193         Revert
10194         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
10195
10196         PR tree-optimization/34244
10197         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
10198         (record_numbers_of_iterations): New function.
10199         (execute_vrp): Cache the numbers of iterations of loops.
10200         * tree-scalar-evolution.c (scev_reset_except_niters):
10201         New function.
10202         (scev_reset): Use scev_reset_except_niters.
10203         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
10204
10205 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
10206
10207         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10208         __WORKAROUND_RETS when appropriate.
10209
10210 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
10211
10212         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
10213         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
10214         mode iterator.
10215         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
10216         *fop_df_comm_sse insn patterns using MODEF mode iterator.
10217         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
10218         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
10219         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
10220         *fop_df_1_mixed insn patterns using MODEF mode iterator.
10221         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
10222         *fop_df_1_sse insn patterns using MODEF mode iterator.
10223         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
10224         *fop_df_1_i387 insn patterns using MODEF mode iterator.
10225         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
10226         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
10227         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
10228         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
10229         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
10230         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
10231         (*fop_xf_4_i387): Use <MODE> for mode attribute.
10232         (*fop_xf_5_i387): Ditto.
10233         (*fop_xf_6_i387): Ditto.
10234
10235 2008-05-30  Richard Guenther  <rguenther@suse.de>
10236
10237         * builtins.c (build_string_literal): Avoid generating
10238         a non-gimple_val result.
10239
10240 2008-05-30  DJ Delorie  <dj@redhat.com>
10241
10242         * exec-tool.in: Use an environment variable (private) instead of a
10243         file (shared) as a semaphore, so as to not break parallel builds.
10244
10245 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
10246
10247         * optabs.c (maybe_encapsulate_block): Remove.
10248         (emit_libcall_block): Adjust accordingly.
10249         * optabs.h (maybe_encapsulate_block): Remove prototype.
10250
10251         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
10252         Don't use maybe_encapsulate_block.
10253
10254 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
10255
10256         * config/rs6000/rs6000.c (rs6000_legitimize_address,
10257         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
10258         rtx is a SYMBOL_REF before calling get_pool_constant.
10259
10260 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
10261
10262         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
10263
10264 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
10265
10266         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
10267         rather than OS names to choose INO_T_EQ definition.
10268         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
10269         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
10270
10271 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
10272
10273         PR target/36348
10274         * config/darwin-f.c: New.
10275         * config/t-darwin: Added rule to build darwin-f.o.
10276         * config.gcc: Defined new variable, fortran_target_objs.
10277         (*-*-darwin*): Set fortran_target_objs.
10278         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
10279         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
10280         * configure: Regenerated.
10281
10282 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
10283
10284         PR target/35771
10285         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
10286         canonical type if needed.
10287
10288 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
10289
10290         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
10291
10292 2008-05-29  Richard Guenther  <rguenther@suse.de>
10293
10294         PR tree-optimization/36343
10295         PR tree-optimization/36346
10296         PR tree-optimization/36347
10297         * tree-flow.h (clobber_what_p_points_to): Declare.
10298         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
10299         pointed-to variable is dereferenced is irrelevant to whether
10300         the pointer can access the pointed-to variable.
10301         (clobber_what_p_points_to): New function.
10302         * tree-ssa-alias.c (set_initial_properties): Use it.
10303         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
10304         call clobber check for NMTs.
10305
10306 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
10307
10308         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
10309         for printing gcov_type.
10310
10311 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
10312
10313         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
10314         and the eh region information.
10315         * value-prof.c (gimple_move_stmt_histograms): New function.
10316         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
10317
10318 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
10319
10320         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
10321
10322 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
10323
10324         * value-prof.c (tree_ic_transform): Print counts.
10325         * tree-profile.c (tree_gen_ic_func_profiler):
10326         Clear __gcov_indreict_call_callee variable to avoid misattribution
10327         of the profile.
10328
10329 2008-05-28  Rafael Espindola  <espindola@google.com>
10330
10331         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
10332         invalid sharing.
10333
10334 2008-05-28  Richard Guenther  <rguenther@suse.de>
10335
10336         PR tree-optimization/36339
10337         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
10338         and clobbering code out of the loop.
10339
10340 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10341
10342         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
10343         letters defined.
10344
10345         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
10346         s390_contiguous_bitmask_p, s390_symref_operand_p,
10347         s390_check_symref_alignment, s390_reload_larl_operand,
10348         s390_reload_symref_address): New functions.
10349         (s390_branch_condition_mnemonic): Support compare and branch
10350         instructions.
10351         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
10352         and 'W' constraints.
10353         (s390_secondary_reload): Add secondary reloads for unaligned
10354         symbol refs or symbol refs to floating point or QI/TI mode
10355         integer values.
10356         (legitimate_address_p): Accept symbol references as addresses.
10357         (s390_expand_insv): Use rotate and insert selected bits
10358         instruction for insv when building for z10.
10359         (print_operand_address): Handle symbol ref addresses.
10360         (print_operand): Output modifier 'c' added for signed byte values.
10361         (s390_encode_section_info): Mark symbol refs with
10362         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
10363
10364         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
10365         (length attribute): RRF, RRR have 4 byte length.
10366         (FPALL, INTALL): New mode iterators added.
10367         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
10368         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
10369         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
10370         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
10371         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
10372         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
10373         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
10374         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
10375         instructions.
10376         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
10377         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
10378         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
10379         reload<INTALL:mode><P:mode>_toreg_z10,
10380         reload<FPALL:mode><P:mode>_tomem_z10,
10381         reload<FPALL:mode><P:mode>_toreg_z10,
10382         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
10383         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
10384         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
10385         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
10386         definition.
10387         (movmem, clrmem, cmpmem): New splitters added.
10388
10389         * config/s390/predicates.md (larl_operand): Use
10390         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
10391         SYMBOL_REF_ALIGN1_P.
10392         (s390_signed_integer_comparison,
10393         s390_unsigned_integer_comparison): New predicates.
10394
10395         * config/s390/s390-protos.h (s390_check_symref_alignment,
10396         s390_contiguous_bitmask_p, s390_reload_larl_operand,
10397         s390_reload_symref_address,
10398         s390_compare_and_branch_condition_mask): Prototypes added.
10399
10400         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
10401         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
10402         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
10403
10404 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10405
10406         * config/s390/s390.c (z10_cost): New cost function for z10.
10407         (s390_handle_arch_option, override_options): Support -march=z10 switch.
10408         (s390_issue_rate): Adjust issue rate for z10.
10409         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
10410         (processor_flags): Add PF_Z10.
10411         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
10412         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
10413         * gcc/config.gcc: Add z10.
10414
10415 2008-05-28  Richard Guenther  <rguenther@suse.de>
10416
10417         PR tree-optimization/36291
10418         * tree-flow. h (struct gimple_df): Remove var_anns member.
10419         * tree-flow-inline.h (gimple_var_anns): Remove.
10420         (var_ann): Simplify.
10421         * tree-dfa.c (create_var_ann): Simplify.
10422         (remove_referenced_var): Clear alias info from var_anns of globals.
10423         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
10424         (delete_tree_ssa): Clear alias info from var_anns of globals.
10425         Do not free var_anns.
10426         (var_ann_eq): Remove.
10427         (var_ann_hash): Likewise.
10428
10429 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
10430
10431         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
10432         and loongson2f entries.
10433         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
10434         * config/mips/mips.h (processor_type): Add Loongson-2E
10435         and Loongson-2F entries.
10436         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
10437         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
10438         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
10439         * doc/invoke.texi (MIPS Options): Document loongson2e
10440         and loongson2f processor names.
10441
10442 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
10443
10444         PR target/35767
10445         PR target/35771
10446         * config/i386/i386.c (ix86_function_arg_boundary): Use
10447         alignment of canonical type.
10448         (ix86_expand_vector_move): Check unaligned memory access for
10449         all SSE modes.
10450
10451 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
10452
10453         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
10454         Moved to the front of file.
10455
10456 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
10457             H.J. Lu  <hongjiu.lu@intel.com>
10458
10459         * dwarf2out.c (current_fde): New.
10460         (add_cfi): Use it.
10461         (lookup_cfa:): Likewise.
10462         (dwarf2out_end_epilogue): Likewise.
10463         (dwarf2out_note_section_used): Likewise.
10464
10465 2008-05-27  Michael Matz  <matz@suse.de>
10466
10467         PR c++/27975
10468         * c.opt (Wenum-compare): New warning option.
10469         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
10470
10471 2008-05-27  Michael Matz  <matz@suse.de>
10472
10473         PR middle-end/36326
10474         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
10475         non-BLKmode types.
10476         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
10477         into memory as tail calls.
10478
10479 2008-05-27  Richard Guenther  <rguenther@suse.de>
10480
10481         PR tree-optimization/36339
10482         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
10483         pointers cause all addressable variables to be call clobbered.
10484
10485 2008-05-27  Richard Guenther  <rguenther@suse.de>
10486
10487         PR tree-optimization/36245
10488         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
10489
10490 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10491
10492         * config/s390/s390.md: Replace all occurences of the 'm'
10493         constraint with 'RT'.
10494
10495 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10496
10497         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
10498         definitions added.
10499         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
10500         "*movdi_64".
10501         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
10502         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
10503         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
10504
10505 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10506
10507         * reload.c: (find_reloads): Skip alternatives according to the
10508         "enabled" attribute. Constify the constraint variable.
10509         * recog.c (get_attr_enabled): Add default implementation.
10510         (extract_insn): Set the alternative_enabled_p array
10511         in the recog_data struct.
10512         (preprocess_constraints, constrain_operands): Skip
10513         alternatives according to the "enabled" attribute
10514         * recog.h (struct recog_data): New field alternative_enabled_p.
10515         (skip_alternative): New inline function.
10516         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
10517         (record_reg_classes): Skip alternative according to the
10518         "enabled" attribute.
10519
10520         * doc/md.texi: Add documention for the "enabled" attribute.
10521
10522 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
10523
10524         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
10525         * postreload.c (reload_cse_simplify_operands): Replace 'm'
10526         constraint with TARGET_MEM_CONSTRAINT.
10527         * recog.c (asm_operand_ok, preprocess_constraints,
10528         constrain_operands): Likewise.
10529         * regclass.c (record_reg_classes): Likewise.
10530         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
10531         * reload1.c (maybe_fix_stack_asms): Likewise.
10532         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
10533         * recog.h: Adjust comment.
10534         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
10535         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
10536         * doc/md.texi: Add a note to description of 'm' constraint.
10537         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
10538
10539 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
10540
10541         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
10542         that the bitfield is of integral type before testing its precision.
10543
10544 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
10545             Sa Liu  <saliu@de.ibm.com>
10546
10547         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
10548         __modti3, __udivti3, __umodti3 and __udivmodti4.
10549         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
10550         that implement TImode mul and div functions.
10551         * config/spu/multi3.c: New. Implement __multi3.
10552         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
10553         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
10554         functions on SPU.
10555
10556 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
10557
10558         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
10559         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
10560         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
10561         tls_sysv_suffix): New mode and mode attribute iterators.
10562         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
10563         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
10564         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
10565         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
10566         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
10567         iterators.
10568
10569 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
10570
10571         PR tree-optimization/36329
10572         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
10573         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
10574         * cgraphbuild.c (initialize_inline_failed): Use the latter
10575         macro in lieu of the former.
10576         * ipa-inline.c (cgraph_mark_inline): Likewise.
10577         (cgraph_decide_inlining_of_small_function): Likewise.
10578         (cgraph_decide_inlining): Likewise.
10579         (cgraph_decide_inlining_incrementally): Likewise.
10580
10581 2008-05-26  Tristan Gingold  <gingold@adacore.com>
10582             Anatoly Sokolov  <aesok@post.ru>
10583
10584         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
10585         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
10586         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
10587         optimization for 'avr6' architecture.
10588
10589 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
10590
10591         PR target/34932
10592         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
10593
10594 2008-05-26  Richard Guenther  <rguenther@suse.de>
10595
10596         * tree-ssa-sccvn.c (expr_has_constants): Declare.
10597         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
10598
10599 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
10600
10601         PR middle-end/36253
10602         * caller-save.c (insert_restore): Verify alignment of spill space.
10603         (insert_save): Likewise.
10604         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
10605         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
10606         (STACK_SLOT_ALIGNMENT): Likewise.
10607         * function.c (LOCAL_ALIGNMENT): Removed.
10608         (get_stack_local_alignment): New.
10609         (assign_stack_local): Use it.  Set alignment on stack slot.
10610         (assign_stack_temp_for_type): Use get_stack_local_alignment.
10611         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
10612         (STACK_SLOT_ALIGNMENT): New.
10613         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
10614         stack slot in XFmode.
10615
10616         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
10617
10618 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
10619
10620         PR/36321
10621         * config/i386/i386.md (allocate_stack_worker_64): Make sure
10622         argument operand in rax isn't removed.
10623
10624 2008-05-26  Richard Guenther  <rguenther@suse.de>
10625
10626         PR middle-end/36300
10627         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
10628         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
10629
10630 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10631
10632         PR bootstrap/36331
10633         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
10634
10635 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
10636
10637         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
10638         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
10639
10640 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
10641
10642         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
10643         build a trampoline if we don't want one.
10644         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
10645         return zero for nested functions if we don't want a trampoline.
10646
10647 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10648
10649         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
10650
10651 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10652
10653         PR fortran/18428
10654         * c.opt: Removed undocumented option '-lang-fortran'.
10655         * c-common.h: Removed global variable 'lang_fortran'.
10656         * c-opts.c (c_common_handle_option): Removed code to handle
10657         option '-lang-fortran'. Updated includes.
10658         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
10659         definition of '__GFORTRAN__'.
10660         (define__GNUC__): Reimplemented to use BASEVER and
10661         cpp_define_formatted.
10662         (builtin_define_with_value_n): Removed.
10663         * c-incpath.h: Renamed to ...
10664         * incpath.h: ... this.
10665         * c-incpath.c: Renamed to ...
10666         * incpath.c: ... this. Updated includes.
10667         * fix-header.c: Updated includes.
10668         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
10669         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
10670         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
10671
10672 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
10673
10674         * tree.h: Update the table of flags used on tree nodes.
10675         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
10676         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
10677         (FORCED_LABEL): Add access check.
10678         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
10679         (ASM_INPUT_P): Likewise.
10680         (ASM_VOLATILE_P): Likewise.
10681         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
10682         (OMP_SECTION_LAST): Access private_flag directly.
10683         (OMP_RETURN_NOWAIT): Likewise.
10684         (OMP_PARALLEL_COMBINED): Likewise.
10685         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
10686         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
10687         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
10688         deprecated_flag directly.
10689
10690 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
10691
10692         * final.c (frame_pointer_needed): Removed.
10693         * flags.h (frame_pointer_needed): Likewise.
10694
10695         * function.h (rtl_data): Add frame_pointer_needed.
10696         (frame_pointer_needed): New.
10697
10698 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
10699
10700         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
10701
10702 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
10703
10704         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
10705         SRC is a REG.
10706
10707 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
10708
10709         * c-common.c (strip_array_types): Move function to..
10710         * tree.c: ..here.
10711         (get_inner_array_type): Delete.
10712         * c-common.h (strip_array_types): Move declaration to..
10713         * tree.h: ..here.
10714         (get_inner_array_type): Delete.
10715         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
10716         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
10717         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
10718         * config/pa/pa.c (emit_move_sequence): Likewise.
10719
10720 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
10721
10722         * config/i386/i386.md (*sse_prologue_save_insn): Set length
10723         attribute to 34.
10724
10725 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
10726
10727         * function.c: Include target hook for nonlocal_goto frame value.
10728
10729 2008-05-24  Richard Guenther  <rguenther@suse.de>
10730
10731         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
10732         variable can be only accessed through a pointer or a union.
10733
10734 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10735
10736         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
10737         * doc/extend.texi: Likewise.
10738
10739 2008-05-23  DJ Delorie  <dj@redhat.com>
10740
10741         * config/m32c/jump.md (untyped_call): Add.
10742
10743         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
10744         for A24 to PSImode.
10745         (m32c_address_cost): Detail costs for indirect offsets.
10746
10747 2008-05-23  Rafael Espindola  <espindola@google.com>
10748
10749         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
10750         if a node is a SUBREG.
10751         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
10752         is a SUBREG.
10753
10754 2008-05-23  Paul Brook  <paul@codesourcery.com>
10755             Carlos O'Donell  <carlos@codesourcery.com>
10756
10757         * doc/extend.texi: Clarify use of __attribute__((naked)).
10758         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10759         * target.h (gcc_target): Add allocate_stack_slots_for_args.
10760         * function.c (use_register_for_decl): Use
10761         targetm.calls.allocate_stack_slots_for_args.
10762         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10763         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
10764         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
10765
10766 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
10767
10768         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
10769
10770 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
10771
10772         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
10773         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
10774         is only rounded once.
10775
10776 2008-05-23  Richard Guenther  <rguenther@suse.de>
10777
10778         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
10779
10780 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
10781             Jakub Jelinek  <jakub@redhat.com>
10782
10783         PR target/36079
10784         * configure.ac: Handle --enable-cld.
10785         * configure: Regenerated.
10786         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
10787         * config/i386/i386.h (struct machine_function): Add needs_cld field.
10788         (ix86_current_function_needs_cld): New define.
10789         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
10790         (cld): New isns pattern.
10791         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
10792         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
10793         * config/i386/i386.opt (mcld): New option.
10794         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
10795         TARGET_CLD and ix86_current_function_needs_cld.
10796         (override_options): Use -mcld by default for 32-bit code if
10797         USE_IX86_CLD.
10798
10799         * doc/install.texi (Options specification): Document --enable-cld.
10800         * doc/invoke.texi (Machine Dependent Options)
10801         [i386 and x86-64 Options]: Add -mcld option.
10802         (Intel 386 and AMD x86-64 Options): Document -mcld option.
10803
10804 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
10805         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
10806         (return_in_memory_64): Likewise.
10807         (return_in_memory_ms_64): Likewise.
10808
10809 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10810
10811         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
10812         * builtins.c (fold_builtin_fpclassify): New.
10813         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
10814         * builtins.def (BUILT_IN_FPCLASSIFY): New.
10815         * c-common.c (handle_type_generic_attribute): Adjust to accept
10816         fixed arguments before an elipsis.
10817         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
10818         * doc/extend.texi: Document __builtin_fpclassify.
10819
10820 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
10821
10822         * omp-low.c (gate_expand_omp_ssa): Remove.
10823         (pass_expand_omp_ssa): Remove.
10824         (gate_expand_omp): Do not check for flag_openmp_ssa.
10825         * common.opt (-fopenmp-ssa): Remove.
10826         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
10827
10828 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
10829
10830         * config/sh/sh.opt (mfixed-range): New option.
10831         * config/sh/sh-protos.h (sh_fix_range): Declare.
10832         * config/sh/sh.c (sh_fix_range): New function.
10833         * config/sh/sh.h (sh_fixed_range_str): Declare.
10834         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
10835         is not empty.
10836         * doc/invoke.texi (SH Options): Document -mfixed-range.
10837
10838 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
10839
10840         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
10841         it before the redeclaration.
10842
10843 2008-05-22  Anatoly Sokolov <aesok@post.ru>
10844
10845         * config/avr/avr.c (get_sequence_length): Add new function.
10846         (expand_prologue, expand_epilogue): Remove duplicate code.
10847
10848 2008-05-22  Rafael Espindola  <espindola@google.com>
10849
10850         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
10851         sharing.
10852
10853 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
10854
10855         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
10856         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
10857
10858         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
10859         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
10860         (vect_update_misalignment_for_peel): Likewise.
10861         (vector_alignment_reachable_p): Likewise.
10862         * tree-vect-transform.c (vectorizable_load): Likewise.
10863         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
10864         (get_vectype_for_scalar_type): Pass mode of scalar_type
10865         to UNITS_PER_SIMD_WORD.
10866
10867         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
10868         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
10869         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
10870         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
10871         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
10872
10873 2008-05-22  Ira Rosen  <irar@il.ibm.com>
10874
10875         PR tree-optimization/36293
10876         * tree-vect-transform.c (vect_transform_strided_load): Don't check
10877         if the first load must be skipped because of a gap.
10878
10879 2008-05-22  Richard Guenther  <rguenther@suse.de>
10880
10881         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
10882         more cases of offset disambiguation that is possible if
10883         strict-aliasing rules apply.
10884         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
10885         for basic offset and type-based disambiguation.
10886
10887 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10888
10889         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
10890         ix86_expand_vector_set on V16QImode for SSE4.1.
10891
10892 2008-05-21  Tom Tromey  <tromey@redhat.com>
10893
10894         * c.opt (Wimport): Mark as undocumented.
10895         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
10896         -Wno-import.
10897         (Warning Options): Likewise.
10898         * doc/cppopts.texi: Don't mention -Wimport.
10899
10900 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
10901
10902         PR tree-optimization/36287
10903         PR tree-optimization/36286
10904         * lambda-code.c (build_access_matrix): Do not use the loop->num
10905         for computing the number of induction variables: use the loop depth
10906         instead.
10907
10908 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
10909
10910         PR/36280
10911         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
10912         option -f(no-)leading-underscore.
10913
10914 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10915
10916         * config/i386/i386.c (ix86_expand_vector_init_general): Use
10917         GET_MODE_NUNITS (mode).
10918
10919 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
10920
10921         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
10922         (-mmulhw): Add 464 to description.
10923         (-mdlmzb): Likewise.
10924         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
10925         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
10926         464fp entries.
10927         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
10928         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
10929         * config/rs6000/rs6000.md: Update comments for 464.
10930
10931 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
10932
10933         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
10934
10935 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10936
10937         * config/i386/sse.md (vec_extractv4sf): Removed.
10938         (vec_extractv2df): Likewise.
10939         (vec_extractv2di): Likewise.
10940         (vec_extractv4si): Likewise.
10941         (vec_extractv8hi): Likewise.
10942         (vec_extractv16qi): Likewise.
10943         (vec_extract<mode>): New.
10944
10945 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10946
10947         * config/i386/sse.md (vec_setv4sf): Removed.
10948         (vec_setv2df): Likewise.
10949         (vec_setv2di): Likewise.
10950         (vec_setv4si): Likewise.
10951         (vec_setv8hi): Likewise.
10952         (vec_setv16qi): Likewise.
10953         (vec_set<mode>): New.
10954
10955 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10956
10957         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
10958         goto for vec_concat and vec_interleave.
10959
10960 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10961
10962         * config/i386/sse.md (vec_initv4sf): Removed.
10963         (vec_initv2df): Likewise.
10964         (vec_initv2di): Likewise.
10965         (vec_initv4si): Likewise.
10966         (vec_initv8hi): Likewise.
10967         (vec_initv16qi): Likewise.
10968         (vec_init<mode>): New.
10969
10970 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
10971
10972         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
10973
10974 2008-05-21  Tom Tromey  <tromey@redhat.com>
10975
10976         * ggc-zone.c (lookup_page_table_if_allocated): New function.
10977         (zone_find_object_offset): Likewise.
10978         (gt_ggc_m_S): Likewise.
10979         (highest_bit): Likewise.
10980         * ggc-page.c (gt_ggc_m_S): New function.
10981         * stringpool.c (string_stack): Remove.
10982         (init_stringpool): Update.
10983         (ggc_alloc_string): Use ggc_alloc.
10984         (maybe_delete_ident): New function.
10985         (ggc_purge_stringpool): Likewise.
10986         (gt_ggc_m_S): Remove.
10987         * ggc-common.c (ggc_protect_identifiers): New global.
10988         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
10989         ggc_protect_identifiers.
10990         * ggc.h (ggc_protect_identifiers): Declare.
10991         (gt_ggc_m_S): Update.
10992         (ggc_purge_stringpool): Declare.
10993         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
10994         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
10995         special case.
10996         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
10997
10998 2008-05-21  David S. Miller  <davem@davemloft.net>
10999
11000         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
11001         tmake_file.
11002
11003 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
11004
11005         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
11006         once finished.
11007
11008 2008-05-20  David Daney  <ddaney@avtrex.com>
11009
11010         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
11011         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
11012         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
11013         UNSPEC_UPDATE_GOT_VERSION): Renumber.
11014         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
11015         (atomic_hiqi_op): New define_code_iterator.
11016         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
11017         mips_expand_compare_and_swap_12.
11018         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
11019         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
11020         (sync_<optab><mode>, sync_old_<optab><mode>,
11021         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
11022         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
11023         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
11024         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
11025         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
11026         (test_and_set_12): New insn.
11027         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
11028         sync_new_<optab><mode>, sync_old_nand<mode>,
11029         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
11030         clobber to operand 0 for SI and DI mode insns.
11031         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
11032         mips_gen_fn_4): New typedefs.
11033         (mips_gen_fn_ptrs): Define new union type.
11034         (mips_expand_compare_and_swap_12): Remove declaration.
11035         (mips_expand_atomic_qihi): Declare function.
11036         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
11037         (mips_expand_atomic_qihi): ... this.  Use new generator function
11038         parameter.
11039         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
11040         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
11041         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
11042         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
11043         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
11044         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
11045         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
11046         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
11047         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
11048         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
11049         New macros.
11050
11051 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
11052
11053         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
11054         the missing break.
11055
11056 2008-05-20  Anatoly Sokolov <aesok@post.ru>
11057
11058         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
11059         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
11060         (avr_attribute_table): Add 'OS_main' function attribute.
11061         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
11062         functions with 'OS_main' attribute.
11063
11064 2008-05-20  Richard Guenther  <rguenther@suse.de>
11065
11066         PR tree-optimization/35204
11067         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
11068         helper, split out from ...
11069         (DFS): ... here.  Make the DFS walk non-recursive.
11070
11071 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
11072             Jan Sjodin  <jan.sjodin@amd.com>
11073
11074         PR tree-optimization/36181
11075         * tree-parloops.c (loop_has_vector_phi_nodes): New.
11076         (parallelize_loops): Don't parallelize when the loop has vector
11077         phi nodes.
11078
11079 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
11080             Sebastian Pop  <sebastian.pop@amd.com>
11081
11082         * tree-loop-linear.c (gather_interchange_stats): Look in the access
11083         matrix, and never look at the tree representation of the memory
11084         accesses.
11085         (linear_transform_loops): Computes parameters and access matrices.
11086         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
11087         when fails.
11088         (access_matrix_get_index_for_parameter): New.
11089         * tree-data-ref.h (struct access_matrix): New.
11090         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
11091         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
11092         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
11093         am_vector_index_for_loop): New.
11094         (struct data_reference): Add field access_matrix.
11095         (DR_ACCESS_MATRIX): New.
11096         (compute_data_dependences_for_loop): Update declaration.
11097         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
11098         * lambda.h (lambda_vector_vec_p): Declared.
11099         * lambda-code.c: Depend on pointer-set.h.
11100         (lambda_collect_parameters_from_af, lambda_collect_parameters,
11101         av_for_af_base, av_for_af, build_access_matrix,
11102         lambda_compute_access_matrices): New.
11103         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
11104
11105 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
11106
11107         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
11108         $SOURCEDIR/include.
11109
11110 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
11111             Sebastian Pop  <sebastian.pop@amd.com>
11112
11113         PR tree-optimization/36206
11114         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
11115         FOLD_CONVERSIONS.
11116         (instantiate_scev_1): Rename flags to fold_conversions.
11117         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
11118         outeside instantiation_loop.
11119         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
11120         (evolution_function_is_affine_or_constant_p): Removed.
11121         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
11122         instantiate_scev.
11123         (analyze_siv_subscript): Pass in the loop nest number.
11124         Call evolution_function_is_affine_in_loop instead of
11125         evolution_function_is_affine_p.
11126         (analyze_overlapping_iterations): Pass in the loop nest number.
11127
11128 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
11129             Sebastian Pop  <sebastian.pop@amd.com>
11130
11131         PR tree-optimization/36206
11132         * tree-chrec.h (chrec_fold_op): New.
11133         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
11134         and other trees.
11135
11136 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
11137
11138         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
11139         (DIRS_EQ): New.
11140         (remove_duplicates): Do not set inode on non-inode systems.
11141         Use DIRS_EQ.
11142
11143 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
11144
11145         * config.gcc (tm_file): Update comments about relative pathnames.
11146
11147 2008-05-20  Richard Guenther  <rguenther@suse.de>
11148
11149         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
11150         * tree-ssa-sccvn.c (process_scc): Likewise.
11151         * tree-ssa-sink.c (execute_sink_code): Likewise.
11152         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
11153         * tree-vrp.c (process_assert_insertions): Likewise.
11154         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
11155         (perform_tree_ssa_dce): Likewise.
11156         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
11157         (dump_dominator_optimization_stats): Likewise.
11158         * tree-vectorizer.c (vectorize_loops): Likewise.
11159
11160 2008-05-20  Richard Guenther  <rguenther@suse.de>
11161
11162         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
11163
11164 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
11165
11166         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
11167         (ix86_i386elf_return_in_memory): Likewise.
11168         (ix86_i386interix_return_in_memory): Likewise.
11169         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
11170         (SUBTARGET_RETURN_IN_MEMORY): New.
11171         * config/i386/i386elf.h: Likewise.
11172         * config/i386/ptx4-i.h: Likewise.
11173         * config/i386/sol2-10.h: Likewise.
11174         * config/i386/sysv4.h: Likewise.
11175         * config/i386/vx-common.h: Likewise.
11176         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
11177         * config/i386/i386.c (ix86_return_in_memory): Made static and
11178         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
11179         (ix86_i386elf_return_in_memory): Removed.
11180         (ix86_i386interix_return_in_memory): Removed.
11181         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
11182         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
11183
11184 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
11185
11186         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
11187
11188 2008-05-19  Xinliang David Li  <davidxl@google.com>
11189
11190         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
11191         * opts.c: Ditto.
11192         * common.opt: Ditto.
11193         * doc/invoke.texi: Ditto.
11194
11195 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
11196
11197         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
11198         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
11199
11200 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
11201
11202         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
11203         sizes of operand array from 8/4 to 4/2.
11204         (ix86_expand_vector_init_general): Change size of operand array
11205         from 32 to 16.  Remove op0, op1 and half_mode.
11206
11207 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
11208
11209         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
11210         (ix86_expand_vector_init_interleave): Likewise.
11211         (ix86_expand_vector_init_general): Use them.  Assert
11212         word_mode == SImode when n_words == 4.
11213
11214 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
11215
11216         * config/i386/i386.c (ix86_secondary_reload): New static function.
11217         (TARGET_SECONDARY_RELOAD): New define.
11218         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
11219         * config/i386/i386.md (reload_outqi): Remove.
11220
11221 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11222
11223         PR middle-end/35509
11224         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
11225         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
11226         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
11227         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
11228         (fold_builtin_1): Likewise.
11229         * builtins.def (BUILT_IN_ISINF_SIGN): New.
11230         c-common.c (check_builtin_function_arguments): Handle
11231         BUILT_IN_ISINF_SIGN.
11232         * doc/extend.texi: Document __builtin_isinf_sign.
11233         * fold-const.c (operand_equal_p): Handle COND_EXPR.
11234
11235 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
11236
11237         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
11238         EH cleanup at the end of the pass, search for those that have been
11239         turned into forwarder blocks and do the cleanup on their successor.
11240
11241 2008-05-18  Richard Guenther  <rguenther@suse.de>
11242
11243         * tree-cfg.c (verify_gimple_expr): Allow conversions from
11244         pointers to sizetype and vice versa.
11245
11246 2008-05-18 Xinliang David Li   <davidxl@google.com>
11247
11248         * gcc/tree-ssa-dce.c: Coding style fix.
11249         (check_pow): Documentation comment.
11250         (check_log): Documenation comment. Coding style fix.
11251         (is_unnecessary_except_errno_call): Ditto.
11252         (gen_conditions_for_pow): Ditto.
11253         (gen_conditions_for_log): Ditto.
11254         (gen_shrink_wrap_conditions): Ditto.
11255         (shrink_wrap_one_built_in_calls): Ditto.
11256         * gcc/doc/invoke.texi: Better documentation string.
11257         * ChangeLog: Fix wrong change log entries from
11258         May 17 checkin on function call DCE.
11259
11260 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
11261
11262         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
11263
11264 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
11265
11266         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
11267         * df-problems.c (simulation routines): Fixed block comment to
11268         properly say how to add forwards scanning functions.
11269
11270 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
11271
11272         * tree-inline.c (setup_one_parameter): Remove dead code.
11273
11274 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
11275
11276         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
11277         a BIT_AND_EXPR only for an INTEGER_TYPE.
11278
11279 2008-05-17 Xinliang David Li   <davidxl@google.com>
11280
11281         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
11282         (check_pow, check_log, is_unnecessary_except_errno_call): New
11283         functions to check for eliminating math functions that are pure
11284         except for setting errno.
11285         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
11286         general condition expressions for shrink-wrapping pow/log calls.
11287         (gen_shrink_wrap_conditions): Ditto.
11288         (shrink_wrap_one_built_in_call): Ditto.
11289         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
11290         (mark_operand_necessary): If debugging, output if OP is necessary.
11291         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
11292         unnecessary.
11293         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
11294         opt level >= 2.
11295         * gcc/common.opt: New user flag -ftree-builtin-dce.
11296         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
11297
11298 2008-05-16  David S. Miller  <davem@davemloft.net>
11299
11300         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
11301         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
11302
11303 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
11304
11305         PR target/36246
11306         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
11307
11308 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11309
11310         * ifcvt.c (dead_or_predicable): Rename
11311         df_simulate_one_insn_backwards to df_simulate_one_insn.
11312         * recog.c (peephole2_optimize): Ditto.
11313         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
11314         Ditto.
11315         * df.h: Rename df_simulate_one_insn_backwards to
11316         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
11317         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
11318         scanning of defs and uses.
11319         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
11320         (df_simulate_one_insn_forwards): Removed.
11321
11322 2008-05-16  Doug Kwan  <dougkwan@google.com>
11323
11324         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
11325         QNaN & SNaN.
11326         (real_from_string): Handle NaNs and Inf as approriate.
11327
11328 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
11329
11330         * doc/gty.texi (Source Files Containing Type Information): Note
11331         that headers should appear first in the gtfiles list.
11332
11333 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11334
11335         * tree.def (COND_EXEC): Properly documented this code.
11336
11337 2008-05-16  Diego Novillo  <dnovillo@google.com>
11338
11339         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
11340         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
11341         the new field.
11342
11343 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11344
11345         * tree-ssa-dse (max_stmt_uid): Removed.
11346         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
11347         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
11348         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
11349         * function.h (cfun.last_stmt_uid): New field.
11350         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
11351         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
11352         New functions.
11353         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
11354         (create_stmt_ann): Initialize the ann->uid field.
11355         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
11356         with new calls.
11357         * tree-flow.h (renumber_gimple_stmt_uids): New function.
11358
11359 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
11360
11361         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
11362         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
11363         (init_empty_tree_cfg): Call it.
11364
11365 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11366
11367         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
11368         Update all users.
11369
11370 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
11371
11372         * doc/invoke.text (-fdump-tree-*-verbose): New option.
11373         * tree-dump.c (dump_options): New verbose option.
11374         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
11375         Add verbose dump.
11376         * tree-pass.h (TDF_VERBOSE): New dump flag.
11377         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
11378         (tree-flow.h): Added include.
11379         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
11380
11381 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
11382
11383         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
11384
11385         From Jie Zhang  <jie.zhang@analog.com>
11386         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
11387         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
11388         mcpu=bf561-none and mcpu=bf561-0.2.
11389         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
11390         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
11391         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
11392         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
11393         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
11394         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
11395         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
11396         option.
11397         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
11398         (cputype_selected): Remove.
11399         (bfin_handle_option): Don't use cputype_selected.
11400         (override_options): When no mcpu option, enable all workarounds.
11401         Don't use bfin_workarounds.
11402         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
11403         processor type.
11404         (DEFAULT_CPU_TYPE): Don't define.
11405
11406 2008-05-16  Richard Guenther  <rguenther@suse.de>
11407
11408         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
11409         on deletion of the last stmt.
11410
11411 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
11412
11413         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
11414         V8HImode for SSE2 and V16QImode for SSE4.1.
11415
11416 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
11417
11418         * cgraph.h (compute_inline_parameters): Made public.
11419         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
11420         variable_generate_summary, function_write_summary,
11421         variable_write_summary, variable_read_summary.  Added generate_summary,
11422         write_summary, read_summary.
11423         * cgraphunit.c (cgraph_process_new_functions): Changed call from
11424         pass_ipa_inline.function_generate_summary, to
11425         compute_inline_parameters.
11426         * ipa-inline.c (compute_inline_parameters): Made public and added
11427         node parameter.
11428         (compute_inline_parameters_for_current): New function.
11429         (pass_inline_param): Now calls compute_inline_parameters_for_current.
11430         (inline_generate_summary): Removed parameter and made to loop over
11431         all cgraph nodes.
11432         (pass_ipa_inline): Updated for new IPA_PASS structure.
11433         * passes.c (execute_ipa_summary_passes): Now is called once per
11434         pass rather than once per node*pass.
11435
11436 2008-05-15  Anatoly Sokolov <aesok@post.ru>
11437
11438         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
11439         avr_have_mul_p, avr_asm_only_p): Remove variables.
11440         (avr_override_options): Remove initialization of removed variables.
11441         (avr_file_start):  Convert removed variables to fields of
11442         'struct base_arch_s *avr_current_arch'.
11443         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
11444         (AVR_HAVE_MUL): (Ditto.).
11445         (AVR_HAVE_MOVW): (Ditto.).
11446         (AVR_HAVE_LPMX): (Ditto.).
11447         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
11448         avr_asm_only_p): Remove declaration.
11449
11450 2008-05-15  Diego Novillo  <dnovillo@google.com>
11451
11452         * config/arm/arm.c (arm_return_in_memory): Fix return type.
11453         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
11454
11455 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
11456
11457         PR middle-end/36194
11458         * combine.c (check_conversion): Rename back to check_promoted_subreg.
11459         Don't call record_truncated_value from here.
11460         (record_truncated_value): Turn it into a for_each_rtx callback.
11461         (record_truncated_values): New function.
11462         (combine_instructions): Call note_uses with record_truncated_values.
11463         Change name of check_conversion to check_promoted_subreg.
11464
11465 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
11466
11467         * doc/sourcebuild.texi: Document support for torture tests.
11468
11469 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
11470
11471         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
11472         to alternative 4 of operand 2.
11473
11474 2008-05-15  Richard Guenther  <rguenther@suse.de>
11475
11476         * tree-pass.h (current_pass): Declare.
11477         (get_pass_for_id): Likewise.
11478         * passes.c (passes_by_id, passes_by_id_size): New globals.
11479         (set_pass_for_id): New function.
11480         (get_pass_for_id): Likewise.
11481         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
11482         (execute_function_todo): Flush per function statistics.
11483         * toplev.c (compile_file): Init statistics.
11484         (general_init): Do early statistics initialization.
11485         (finalize): Finish statistics.
11486         * statistics.h (statistics_early_init): Declare.
11487         (statistics_init): Likewise.
11488         (statistics_fini): Likewise.
11489         (statistics_fini_pass): Likewise.
11490         (statistics_counter_event): Likewise.
11491         (statistics_histogram_event): Likewise.
11492         * statistics.c: New file.
11493         * Makefile.in (OBJS-common): Add statistics.o.
11494         (statistics.o): Add dependencies.
11495         * doc/invoke.texi (-fdump-statistics): Document.
11496
11497         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
11498         (insert): Likewise.
11499         (execute_pre): Use statistics_counter_event.
11500         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
11501         (substitute_and_fold): Increment it.  Use statistics_counter_event.
11502
11503 2008-05-15  Diego Novillo  <dnovillo@google.com>
11504
11505         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
11506
11507         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
11508         * tree-ssa-alias.c (new_type_alias): Remove references to
11509         sub-variables from comment.
11510         * tree-ssa-operands.c (swap_tree_operands): Likewise.
11511
11512 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
11513
11514         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
11515         attribute to 1 only for insertps alternative.
11516
11517 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
11518
11519         * config/bfin/bfin.md (loadbytes): New pattern.
11520         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
11521         (bfin_init_builtins): Initialize it.
11522         (bdesc_1arg): Add it.
11523
11524 2008-05-15  Sa Liu  <saliu@de.ibm.com>
11525
11526         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
11527         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
11528         * testsuite/lib/target-supports.exp: Add
11529         check_effective_target_fortran_integer_16.
11530
11531 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
11532
11533         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
11534         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
11535         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
11536         (TARGET_RETURN_IN_MEMORY): Define.
11537
11538 2008-05-15  Richard Guenther  <rguenther@suse.de>
11539
11540         PR middle-end/36244
11541         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
11542         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
11543         represent unmodifiable vars.
11544
11545 2008-05-15  Richard Guenther  <rguenther@suse.de>
11546
11547         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
11548         INDIRECT_REF and TARGET_MEM_REF.
11549         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
11550         TARGET_MEM_REF.
11551
11552 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
11553             H.J. Lu  <hongjiu.lu@intel.com>
11554
11555         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
11556         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
11557         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
11558         insn alternatives.  Add missing alternatives.
11559         (*vec_concatv2di_rex64_sse4_1): Likewise.
11560         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
11561         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
11562         Require TARGET_SSE.
11563
11564 2008-05-15  Richard Guenther  <rguenther@suse.de>
11565
11566         PR tree-optimization/36009
11567         PR tree-optimization/36204
11568         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
11569         (determine_invariantness_stmt): Record the loop a store is
11570         always executed in.
11571         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
11572         dependency.
11573
11574 2008-05-15  Richard Guenther  <rguenther@suse.de>
11575
11576         PR tree-optimization/34330
11577         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
11578         through the pointer will alias the SMT.
11579
11580 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
11581
11582         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
11583
11584 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
11585
11586         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
11587
11588 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11589             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
11590
11591         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
11592         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
11593         (vashl_optab): New optab for vector/vector shifts.
11594         (vashr_optab): Ditto.
11595         (vlshr_optab): Ditto.
11596         (vrotl_optab): Ditto.
11597         (vrotr_optab): Ditto.
11598         (optab_subtype): New enum for optab_for_tree_code call.
11599         (optab_for_tree_code): Add enum optab_subtype argument.
11600
11601         * optabs.c (optab_for_tree_code): Take an additional argument to
11602         distinguish between a vector shift by a scalar and vector shift by
11603         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
11604         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
11605         vector shift by a vector.
11606         (expand_widen_pattern_expr): Pass additional argument to
11607         optab_for_tree_code.
11608
11609         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
11610         vrotl_optab, vrotr_optab.
11611
11612         * expr.c (expand_expr_real_1): Update calls to
11613         optab_for_tree_code to distinguish between vector shifted by a
11614         scalar and vector shifted by a vector.
11615         * tree-vectorizer.c (supportable_widening_operation): Ditto.
11616         (supportable_narrowing_operation): Ditto.
11617         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
11618         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
11619         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
11620         (vect_create_epilog_for_reduction): Ditto.
11621         (vectorizable_reduction): Ditto.
11622         (vectorizable_operation): Ditto.
11623         (vect_strided_store_supported): Ditto.
11624         (vect_strided_load_supported): Ditto.
11625         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
11626         * expmed.c (expand_shift): Ditto.
11627
11628         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
11629         scalar type.
11630         (ashr@var{m}3): Ditto.
11631         (vashl@var{m}3): Document new vector/vector shift standard name.
11632         (vashr@var{m}3): Ditto.
11633         (vlshr@var{m}3): Ditto.
11634         (vrotl@var{m}3): Ditto.
11635         (vrotr@var{m}3): Ditto.
11636
11637         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
11638         (PPERM_INVERT): Ditto.
11639         (PPERM_REVERSE): Ditto.
11640         (PPERM_REV_INV): Ditto.
11641         (PPERM_ZERO): Ditto.
11642         (PPERM_ONES): Ditto.
11643         (PPERM_SIGN): Ditto.
11644         (PPERM_INV_SIGN): Ditto.
11645         (PPERM_SRC1): Ditto.
11646         (PPERM_SRC2): Ditto.
11647
11648         * config/i386/sse.md (mulv2di3): Add SSE5 support.
11649         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
11650         allows a memory operand to be the value being added, and split it
11651         to improve vectorization.
11652         (sse5_pmacsdqh_mem): Ditto.
11653         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
11654         (sse5_mulv2div2di3_high): Ditto.
11655         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
11656         (vec_pack_trunc_v4si): Ditto.
11657         (vec_pack_trunc_v2di): Ditto.
11658         (sse5_pcmov_<mode>): Remove code that tried to use use
11659         andps/andnps instead of pcmov.
11660         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
11661         pmacsdqh instructions.
11662         (vec_widen_smult_lo_v4si): Ditto.
11663
11664         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
11665         (PPERM_INVERT): Ditto.
11666         (PPERM_REVERSE): Ditto.
11667         (PPERM_REV_INV): Ditto.
11668         (PPERM_ZERO): Ditto.
11669         (PPERM_ONES): Ditto.
11670         (PPERM_SIGN): Ditto.
11671         (PPERM_INV_SIGN): Ditto.
11672         (PPERM_SRC1): Ditto.
11673         (PPERM_SRC2): Ditto.
11674         (ix86_expand_sse_movcc): Move the SSE5 test after the if
11675         true/false tests.
11676         (ix86_expand_int_vcond): If SSE5 generate all possible integer
11677         comparisons.
11678         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
11679         says ignore whether the last reference is a memory operand.
11680
11681 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11682             Paolo Bonzini <bonzini at gnu dot org>
11683
11684         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
11685         shift patterns.
11686
11687         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
11688         (vlshr<mode>3): Rename from vlshr<mode>3.
11689         (vashr<mode>3): Rename from vashr<mode>3.
11690         (mulv4sf3): Change the names of vector shift patterns.
11691         (mulv4si3): Ditto.
11692         (negv4sf2): Ditt.
11693
11694         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
11695         shift insns.
11696
11697         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
11698         (SI_SHLHI): Ditto.
11699         (SI_SHL): Ditto.
11700         (SI_SHLI): Ditto.
11701         (SI_ROTH): Ditto.
11702         (SI_ROTHI): Ditto.
11703         (SI_ROT): Ditto.
11704         (SI_ROTI): Ditto.
11705         (SPU_RL_0): Ditto.
11706         (SPU_RL_1): Ditto.
11707         (SPU_RL_2): Ditto.
11708         (SPU_RL_3): Ditto.
11709         (SPU_RL_4): Ditto.
11710         (SPU_RL_5): Ditto.
11711         (SPU_RL_6): Ditto.
11712         (SPU_RL_7): Ditto.
11713         (SPU_SL_0): Ditto.
11714         (SPU_SL_1): Ditto.
11715         (SPU_SL_2): Ditto.
11716         (SPU_SL_3): Ditto.
11717         (SPU_SL_4): Ditto.
11718         (SPU_SL_5): Ditto.
11719         (SPU_SL_6): Ditto.
11720         (SPU_SL_7): Ditto.
11721
11722         * config/spu/spu.md (v): New iterator macro to add v for vector types.
11723         (floatunssidf2_internal): Change vector/vector shift names.
11724         (floatunsdidf2_internal): Ditto.
11725         (mulv8hi3): Ditto.
11726         (ashrdi3): Ditto.
11727         (ashrti3): Ditto.
11728         (cgt_df): Ditto.
11729         (cgt_v2df): Ditto.
11730         (dftsv): Ditto.
11731         (vashl<mode>3): Rename from ashl<mode>3.
11732         (vashr<mode>3): Rename from ashr<mode>3.
11733         (vlshr<mode>3): Rename from lshr<mode>3.
11734         (vrotl<mode>3): Rename from rotl<mode>3.
11735
11736 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11737
11738         PR target/36224
11739         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
11740         multiply gives the wrong value when doing widening multiplies.
11741         (vec_widen_smult_lo_v4si): Ditto.
11742
11743 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11744
11745         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
11746         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
11747         emit_library_call_value.
11748         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
11749         * tree.h (ECF_LIBCALL_BLOCK): Removed.
11750         * calls.c (initialize_argument_information, precompute_arguments,
11751         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
11752         (precompute_arguments): Removed flags parameter.
11753         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
11754
11755 2008-05-14  Richard Guenther  <rguenther@suse.de>
11756
11757         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
11758         Make sure to register the store if the use is a PHI_NODE.
11759
11760 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11761
11762         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
11763         memory if the component is to be referenced in BLKmode according
11764         to get_inner_reference.
11765
11766 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
11767
11768         * calls.c (emit_library_call_value_1): Restore code clearing
11769         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
11770
11771 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11772             Nicolas Roche  <roche@adacore.com>
11773
11774         * configure.ac: Add support for a "gcc_subdir" variable in
11775         config-lang.in, to denote a subdirectory where the language/GCC
11776         integration files are to be found.
11777         * configure: Regenerate.
11778
11779 2008-05-14  Ira Rosen  <irar@il.ibm.com>
11780
11781         PR tree-optimization/36098
11782         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
11783         value for the first load in the group in case of a gap.
11784         (vect_build_slp_tree): Check that there are no gaps in loads.
11785
11786 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11787
11788         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
11789         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
11790         expand_copysign_bit, ): Change call to emit_no_conflict_block to
11791         emit_insn and remove unneeded code to construct extra args.
11792         (emit_no_conflict_block): Removed.
11793         * optabls.h: (emit_no_conflict_block): Removed.
11794         * cse.c (cse_extended_basic_block): Remove search for
11795         REG_NO_CONFLICT note.
11796         * global.c: Removed incorrect comment added in revision 117.
11797         * expr.c (convert_move): Change call to emit_no_conflict_block to
11798         emit_insn.
11799         * recog.c: Change comments so that they do not mention
11800         REG_NO_CONFLICT.
11801         * local_alloc.c (combine_regs): Removed last parameter.
11802         (no_conflict_p): Removed.
11803         (block_alloc): Removed note, no_conflict_combined_regno and set
11804         local vars. Removed all code to process REG_NO_CONFLICT blocks.
11805         (combine_regs): Removed already_dead and code to look for
11806         REG_NO_CONFLICT notes.
11807         * lower_subreg (remove_retval_note): Removed code to look for
11808         REG_NO_CONFLICT block.
11809         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
11810         (resolve_clobber): Remove code to process libcalls that have
11811         REG_NO_CONFLICT notes.
11812         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
11813         case.
11814         * combine.c (can_combine_p, distribute_notes):  Removed
11815         REG_NO_CONFLICT case.
11816         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
11817         to emit_insns.
11818         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
11819         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
11820         Ditto.
11821         * reg-notes.def (NO_CONFLICT): Removed.
11822
11823 2008-05-14  David S. Miller  <davem@davemloft.net>
11824
11825         * config/sparc/sparc.c (sparc_profile_hook): If
11826         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
11827         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
11828         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
11829
11830 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11831
11832         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
11833
11834 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
11835
11836         PR target/36222
11837         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
11838         and op1 expansion before vector concat to have less live pseudos.
11839
11840 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
11841
11842         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
11843         ix86_expand_vector_set if supported.
11844
11845 2008-05-13  Diego Novillo  <dnovillo@google.com>
11846             Kenneth Zadeck  <zadeck@naturalbridge.com>
11847
11848         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
11849
11850         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
11851         phinodes_print_statistics, init_ssanames, fini_ssanames,
11852         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
11853         release_ssa_name, release_defs, replace_ssa_name_symbol,
11854         ssanames_print_statistics): Move ...
11855         * tree-flow.h: ... here.
11856         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
11857         Use FN instead of cfun.
11858         (make_ssa_name_fn): Rename from make_ssa_name.
11859         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
11860         * tree-flow-inline.h (make_ssa_name): Move from
11861         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
11862         * omp-low.c (expand_omp_parallel):
11863         * tree-flow-inline.h (redirect_edge_var_map_result):
11864         * tree-ssa.c (init_tree_ssa): Add argument FN.
11865         Use it instead of cfun.  Update all users.
11866
11867 2008-05-13  Tom Tromey  <tromey@redhat.com>
11868
11869         PR preprocessor/22168:
11870         * doc/cpp.texi (Top): Update menu.
11871         (Alternatives to Wrapper #ifndef): New node.
11872         (Other Directives): Document deprecation.
11873         (Obsolete Features): Remove menu.
11874         (Assertions): Merge node into Obsolete Features.
11875         (Obsolete once-only headers): Move earlier; rename to Alternatives
11876         to Wrapper #ifndef.
11877         * doc/cppopts.texi: Update.
11878         * c.opt (Wdeprecated): Enable for C and ObjC.
11879         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
11880         (C++ Dialect Options): Move -Wno-deprecated from here to...
11881         (Warning Options): ... here.
11882
11883 2008-05-13  Richard Guenther  <rguenther@suse.de>
11884
11885         PR middle-end/36227
11886         * fold-const.c (fold_sign_changed_comparison): Do not allow
11887         changes in pointer-ness.
11888
11889 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11890
11891         PR target/24713
11892         * config/sh/sh.c (sh_expand_prologue): Don't clear
11893         RTX_FRAME_RELATED_P for push insns.
11894
11895 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
11896
11897         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
11898
11899 2008-05-12  Anatoly Sokolov <aesok@post.ru>
11900
11901         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
11902         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
11903         Use 'machine->is_leaf' instead of 'leaf_func_p'.
11904
11905 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
11906
11907         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
11908         (*vec_concatv4sf_sse): This.
11909         (*sse2_concatv2si): Renamed to ...
11910         (*vec_concatv2si_sse2): This.
11911         (*sse1_concatv2si): Renamed to ...
11912         (*vec_concatv2si_sse): This.
11913         (*vec_concatv2di_rex): Renamed to ...
11914         (*vec_concatv2di_rex64): This.
11915         (*vec_concatv2si_sse4_1): New.
11916         (*vec_concatv2di_rex64_sse4_1): Likewise.
11917
11918 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
11919
11920         PR rtl-optimization/36111
11921         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
11922         that was created for swappable operands.
11923
11924 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
11925
11926         PR ada/36001
11927         * Makefile.in: Substitute GNATMAKE and GNATBIND.
11928         * configure.ac: Add call to ACX_PROG_GNAT.
11929
11930 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
11931
11932         * optc-gen.awk: Fix comment typo.
11933
11934 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
11935
11936         * pretty-print.c (pp_integer_with_precision): Use
11937         HOST_LONG_LONG_FORMAT.
11938
11939 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
11940
11941         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
11942
11943 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
11944
11945         * config/i386/i386.c (bdesc_ptest): Removed.
11946         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
11947         (bdesc_args): Add __builtin_ia32_ptestz128,
11948         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
11949         (ix86_init_mmx_sse_builtins): Updated.
11950         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
11951         (ix86_expand_builtin): Updated.
11952
11953 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
11954
11955         * tree-cfg.c (valid_fixed_convert_types_p): New function.
11956         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
11957
11958 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
11959
11960         * value-prof.c (interesting_stringop_to_profile): Do not
11961         return early for BUILT_IN_MEMPCPY.
11962
11963 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
11964
11965         * calls.c (expand_call): Don't use callgraph to increase
11966         preferred_stack_boundary.
11967
11968         * cgraph.h (cgraph_rtl_info): Use unsigned on
11969         preferred_incoming_stack_boundary.
11970
11971         * final.c (rest_of_clean_state): Use unsigned on
11972         preferred_stack_boundary.
11973
11974 2008-05-09  Tom Tromey  <tromey@redhat.com>
11975
11976         PR preprocessor/22231:
11977         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
11978         proceeding.
11979
11980 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
11981
11982         PR tree-optimization/36129
11983         * tree-ssa-ccp.c: Include value-prof.h.
11984         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
11985         built-in function was folded to a constant.
11986         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
11987
11988 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
11989             Sebastian Pop  <sebastian.pop@amd.com>
11990
11991         * tree-scalar-evolution.c: Document instantiate_scev.
11992         (instantiate_parameters_1): Renamed instantiate_scev_1.
11993         Don't use the same loop for instantiation_loop and evolution_loop.
11994         (instantiate_scev): New.
11995         (instantiate_parameters): Moved...
11996         (resolve_mixers): Update call to instantiate_scev_1 to pass the
11997         same loop twice.  Maintains the semantics for this function.
11998         * tree-scalar-evolution.h (instantiate_scev): Declare.
11999         (instantiate_parameters): ...here.  Now static inline.
12000         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
12001         instead of resolve_mixers.
12002
12003 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
12004
12005         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
12006
12007 2008-05-09  Tomas Bily  <tbily@suse.cz>
12008
12009         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
12010         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
12011         * tree-ssa-structalias.c (get_constraint_for): Likewise.
12012         * c-common.c (c_common_truthvalue_conversion): Likewise.
12013         * tree-object-size.c (compute_object_offset): Likewise.
12014         * tree-inline.c (estimate_num_insns_1): Likewise.
12015         * varasm.c (const_hash_1, compare_constant, copy_constant)
12016         (compute_reloc_for_constant, output_addressed_constants)
12017         (initializer_constant_valid_p): Likewise.
12018         * c-omp.c (check_omp_for_incr_expr): Likewise.
12019         * gimplify.c (gimplify_expr): Likewise.
12020         * c-typeck.c (c_finish_return): Likewise.
12021         * tree-vectorizer.c (supportable_widening_operation)
12022         (supportable_narrowing_operation): Likewise.
12023         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
12024         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
12025         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
12026         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
12027         (descr_info_loc): Likewise.
12028         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
12029         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
12030         (fold_unary): Likewise.
12031         * builtins.c (get_pointer_alignment): Likewise.
12032         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
12033         (instantiate_parameters_1): Likewise.
12034         * tree.c (expr_align, stabilize_reference): Likewise.
12035         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
12036         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
12037         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
12038         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
12039         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
12040         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
12041         Likewise.
12042         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
12043         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
12044         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
12045         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
12046         (forward_propagate_comparison)
12047         (tree_ssa_forward_propagate_single_use_vars): Likewise.
12048         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
12049         * emit-rtl.c (component_ref_for_mem_expr)
12050         (set_mem_attributes_minus_bitpos): Likewise.
12051         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
12052         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
12053         Likewise.
12054         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
12055         (build_function_call, pointer_diff, build_compound_expr)
12056         (c_finish_return): Likewise.
12057         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
12058         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
12059         Likewise.
12060         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
12061         * expr.c (is_aligning_offset): Likewise.
12062         * tree-ssa-alias.c (is_escape_site): Likewise.
12063         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
12064         (check_all_va_list_escapes): Likewise.
12065         * tree-ssa-loop-ivopts.c (determine_base_object)
12066         (determine_common_wider_type): Likewise.
12067         * dojump.c (do_jump): Likewise.
12068         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
12069         * tree-gimple.c (is_gimple_cast): Likewise.
12070         * fold-const.c (decode_field_reference, )
12071         (fold_sign_changed_comparison, fold_unary, fold_comparison)
12072         (fold_binary): Likewise.
12073         * tree-ssa-alias-warnings.c (find_alias_site_helper)
12074         (already_warned_in_frontend_p): Likewise.
12075         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
12076         * tree.c (really_constant_p, get_unwidened): Likewise.
12077         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
12078         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
12079         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
12080         Likewise.
12081         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
12082         CONVERT_EXPR_P.
12083         (CONVERT_EXPR_P): Define.
12084         (CASE_CONVERT): Define.
12085
12086 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
12087
12088         PR middle-end/36117
12089         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
12090         (delete_unmarked_insns): When deleting a call, call
12091         delete_unreachable_blocks.
12092         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
12093         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
12094
12095 2008-05-08  Richard Guenther  <rguenther@suse.de>
12096
12097         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
12098         (-ftree-salias): Likewise.
12099         (salias-max-implicit-fields): Remove param documentation.
12100         (salias-max-array-elements): Likewise.
12101         * tree-pass.h (pass_create_structure_vars): Remove.
12102         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
12103         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
12104         * tree-ssa-alias.c (create_structure_vars): Remove.
12105         (gate_structure_vars): Likewise.
12106         (pass_create_structure_vars): Likewise.
12107         (gate_build_alias): Likewise.
12108         (pass_build_alias): Adjust to run always and dump the function.
12109         * common.opt (ftree-salias): Hide.
12110         * passes.c (init_optimization_passes): Remove
12111         pass_create_structure_vars, adjust comment.
12112         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
12113         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
12114         * opts.c (decode_options): Do not set flag_tree_salias.
12115         (common_handle_option): Add OPT_ftree_salias to the backward
12116         compatibility section.
12117
12118 2008-05-08  Richard Guenther  <rguenther@suse.de>
12119
12120         * tree-flow-inline.h (var_can_have_subvars): Move ...
12121         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
12122         * tree-flow.h (var_can_have_subvars): Remove.
12123         (push_fields_onto_fieldstack): Remove.
12124         (sort_fieldstack): Likewise.
12125         (struct fieldoff): Move ...
12126         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
12127         alias_set and base_for_components fields.
12128         (sort_fieldstack): Make static.
12129         (push_fields_onto_fieldstack): Likewise.  Remove code that
12130         handles anything but RECORD_TYPEs.  Remove alias_set and
12131         base_for_components handling.
12132         (create_variable_info_for): Adjust.
12133
12134 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
12135
12136         * common.opt (Wframe-larger-than=): Shorten the help message
12137         to one line.
12138         * doc/invoke.texi (Wframe-larger-than=): Add more description.
12139
12140 2008-05-08  Rafael Espindola  <espindola@google.com>
12141
12142         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
12143         trap.
12144         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
12145         trap and that both operands are gimple values.
12146         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
12147         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
12148         is a fp operation.
12149
12150 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
12151
12152         * read-rtl.c (join_c_conditions): Return the first string if the
12153         two strings are equal.
12154
12155 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
12156
12157         * gensupport.h (pred_data): Add a "num_codes" field.
12158         (add_predicate_code): Declare.
12159         * gensupport.c (add_predicate_code): New function.
12160         (std_pred_table): Add an "allows_const_p" field.
12161         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
12162         Remove the (incomplete) list of such codes from the codes field.
12163         (init_predicate_table): Use add_predicate_code.  Add all
12164         RTX_CONST_OBJs if allows_const_p is true.
12165         * genrecog.c (process_define_predicate): Use add_predicate_code.
12166
12167 2008-05-08  David Daney  <ddaney@avtrex.com>
12168             Richard Sandiford  <rsandifo@nildram.co.uk>
12169
12170         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
12171         special case of constant zero operands.
12172         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
12173         old and new values.  Special case constant zero values.
12174         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
12175         fails.
12176         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
12177         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
12178
12179 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
12180
12181         PR target/36090
12182         * simplify-rtx.c (simplify_plus_minus): Create CONST of
12183         similar RTX_CONST_OBJ before CONST_INT.
12184
12185 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
12186
12187         * stmt.c (expand_stack_restore): Change sa mode if needed.
12188
12189 2008-05-08  Richard Guenther  <rguenther@suse.de>
12190
12191         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
12192         return type to bool.
12193         (ix86_sol10_return_in_memory): Likewise.
12194         (ix86_i386elf_return_in_memory): Likewise.
12195         (ix86_i386interix_return_in_memory): Likewise.
12196         * config/i386/i386.c (ix86_return_in_memory): Likewise.
12197         (ix86_sol10_return_in_memory): Likewise.
12198         (ix86_i386elf_return_in_memory): Likewise.
12199         (ix86_i386interix_return_in_memory): Likewise.
12200
12201 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
12202
12203         PR bootstrap/36180
12204         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
12205         fndecl argument.
12206         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
12207         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
12208         declared in front.
12209
12210 2008-05-08  Richard Guenther  <rguenther@suse.de>
12211
12212         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
12213         * tree-data-ref.h (struct dr_alias): Remove subvars field.
12214         (DR_SUBVARS): Remove.
12215         * tree-dfa.c (dump_subvars_for): Remove.
12216         (debug_subvars_for): Likewise.
12217         (dump_variable): Do not dump subvars.
12218         (remove_referenced_var): Do not remove subvars.
12219         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
12220         (lookup_subvars_for_var): Remove.
12221         (get_subvars_for_var): Likewise.
12222         (get_subvars_at): Likewise.
12223         (get_first_overlapping_subvar): Likewise.
12224         (overlap_subvar): Likewise.
12225         * tree-flow.h (subvar_t): Remove.
12226         (struct var_ann_d): Remove subvars field.
12227         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
12228         argument.  Remove special handling of SFTs.
12229         (compute_tag_properties): Likewise.
12230         (set_initial_properties): Likewise.
12231         (compute_call_clobbered): Likewise.
12232         (count_mem_refs): Likewise.
12233         (compute_memory_partitions): Likewise.
12234         (compute_flow_insensitive_aliasing): Likewise.
12235         (setup_pointers_and_addressables): Likewise.
12236         (new_type_alias): Likewise.
12237         (struct used_part): Remove.
12238         (used_portions): Likewise.
12239         (struct used_part_map): Likewise.
12240         (used_part_map_eq): Likewise.
12241         (used_part_map_hash): Likewise.
12242         (free_used_part_map): Likewise.
12243         (up_lookup): Likewise.
12244         (up_insert): Likewise.
12245         (get_or_create_used_part_for): Likewise.
12246         (create_sft): Likewise.
12247         (create_overlap_variables_for): Likewise.
12248         (find_used_portions): Likewise.
12249         (create_structure_vars): Likewise.
12250         * tree.def (STRUCT_FIELD_TAG): Remove.
12251         * tree.h (MTAG_P): Adjust.
12252         (struct tree_memory_tag): Remove base_for_components and
12253         unpartitionable flags.
12254         (struct tree_struct_field_tag): Remove.
12255         (SFT_PARENT_VAR): Likewise.
12256         (SFT_OFFSET): Likewise.
12257         (SFT_SIZE): Likewise.
12258         (SFT_NONADDRESSABLE_P): Likewise.
12259         (SFT_ALIAS_SET): Likewise.
12260         (SFT_UNPARTITIONABLE_P): Likewise.
12261         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
12262         (union tree_node): Remove sft field.
12263         * alias.c (get_alias_set): Remove special handling of SFTs.
12264         * print-tree.c (print_node): Remove handling of SFTs.
12265         * tree-dump.c (dequeue_and_dump): Likewise.
12266         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
12267         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
12268         * tree-predcom.c (set_alias_info): Do not set subvars.
12269         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
12270         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
12271         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
12272         (add_vars_for_offset): Remove.
12273         (add_virtual_operand): Remove special handling of SFTs.
12274         (add_call_clobber_ops): Likewise.
12275         (add_call_read_ops): Likewise.
12276         (get_asm_expr_operands): Likewise.
12277         (get_modify_stmt_operands): Likewise.
12278         (get_expr_operands): Likewise.
12279         (add_to_addressable_set): Likewise.
12280         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
12281         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
12282         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
12283         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
12284         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
12285         (tree_node_structure): Likewise.
12286         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
12287         handling of SFTs.
12288         (find_what_p_points_to): Likewise.
12289
12290 2008-05-08  Sa Liu  <saliu@de.ibm.com>
12291
12292         * config/spu/spu.md: Fixed subti3 pattern.
12293
12294 2008-05-08  Richard Guenther  <rguenther@suse.de>
12295
12296         PR middle-end/36154
12297         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
12298         sure to create a representative for trailing arrays for PTA.
12299
12300 2008-05-08  Richard Guenther  <rguenther@suse.de>
12301
12302         PR middle-end/36172
12303         * fold-const.c (operand_equal_p): Two objects which types
12304         differ in pointerness are not equal.
12305
12306 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
12307
12308         * calls.c (compute_argument_block_size): Add argument tree fndecl.
12309         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
12310         (emit_library_call_value_1): Add new variable fndecl initialized by
12311         NULL_TREE. It should be the decl type of orgfun, but this information
12312         seems not to be available here, so it uses the default calling abi.
12313         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
12314         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
12315         by TARGET_RETURN_IN_MEMORY.
12316         * config/i386/i386-interix.h: Likewise.
12317         * config/i386/i386.h: Likewise.
12318         * config/i386/i386elf.h: Likewise.
12319         * config/i386/ptx4-i.h: Likewise.
12320         * config/i386/sol2-10.h: Likewise.
12321         * config/i386/sysv4.h: Likewise.
12322         * config/i386/vx-common.h: Likewise.
12323         * config/cris/cris.h: Removed #if 0 clause.
12324         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
12325         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
12326         argument.
12327         (ix86_sol10_return_in_memory): Likewise.
12328         (ix86_i386elf_return_in_memory): New.
12329         (ix86_i386interix_return_in_memory): New.
12330         * config/mt/mt-protos.h (mt_return_in_memory): New.
12331         * config/mt/mt.c: Likewise.
12332         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
12333         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
12334         * config/bfin/bfin.h: Likewise.
12335         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
12336         argument.
12337         * config/bfin/bfin.c: Likewise.
12338         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
12339         * config/alpha/unicosmk.h: Likewise.
12340         * config/i386/cygming.h: Likewise.
12341         * config/iq2000/iq2000.h: Likewise.
12342         * config/mips/mips.h: Likewise.
12343         * config/mn10300/mn10300.h: Likewise.
12344         * config/rs6000/rs6000.h: Likewise.
12345         * config/score/score.h: Likewise.
12346         * config/spu/spu.h: Likewise.
12347         * config/v850/v850.h: Likewise.
12348         * defaults.h: Likewise.
12349         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
12350         * expr.c (emit_block_move): Adjust use of
12351         OUTGOING_REG_PARM_STACK_SPACE.
12352         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
12353         OUTGOING_REG_PARM_STACK_SPACE.
12354         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
12355
12356 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
12357
12358         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
12359         on OMP_RETURN for OMP_FOR.
12360
12361         PR debug/35896
12362         * dwarf2out.c (dw_expand_expr, common_check): Removed.
12363         (fortran_common): New function.
12364         (gen_variable_die): Call fortran_common instead of common_check,
12365         adjust for it returning tree instead of rtx.  Formatting.
12366
12367 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
12368
12369         PR rtl/7335
12370         PR rtl/33826
12371         * see.c (see_copy_insn): Copy new pure const attributes for new call.
12372         * c-decl.c (merge_decls): Ditto.
12373         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
12374         to RTL_CONST_OR_PURE_CALL_P.
12375         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
12376         Initialized DECL_LOOPING_CONST_PURE.
12377         (process_call_operands): Set tree_side_effects properly.
12378         * tree.h (TREE_READONLY_DECL_P): Removed.
12379         (DECL_IS_PURE): Renamed to DECL_PURE_P.
12380         (DECL_LOOPING_OR_CONST_P): New macro.
12381         (struct tree_function_decl): Added looping_const_or_pure_p.
12382         (ECF_*) Renumbered.
12383         (ECF_LOOPING_OR_CONST_P): New macro.
12384         * rtlanal.c (pure_const_p): Removed.
12385         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
12386         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
12387         to RTL_CONST_CALL_P.
12388         * ipa-pure-const.c (pure_const_state_e): Added looping field.
12389         (check_decl, check_tree, check_call, scan_function): Initialize
12390         looping.
12391         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
12392         (static_execute): Set looping true for recursive functions.
12393         Undo setting state to IPA_NEITHER for recursive functions.
12394         * cse.c (cse_insn):
12395         * ifcvt.c (noce_can_store_speculate_p): Changed
12396         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
12397         RTL_CONST_OR_PURE_CALL_P.
12398         * dse.c (scan_insn): Ditto.
12399         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
12400         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
12401         RTL_CONST_OR_PURE_CALL_P.
12402         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
12403         pure_call_p to RTL_CONST_CALL_P.
12404         * gimplify.c (gimplify_call_expr): Clear side effects for
12405         non-looping pure and constant calls.
12406         * calls.c (emit_call_1): Set rtl flags from ecf flags.
12407         (flags_from_decl_or_type): Set ecf flags from decl flags.
12408         (initialize_argument_information): Turn off
12409         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
12410         Change const to pure if callee_copies is true rather than just
12411         turning off const.
12412         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
12413         way of marking pure calls.
12414         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
12415         Remove hack that was supposed to fix pr7335 and remove old
12416         way of marking pure calls.
12417         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
12418         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
12419         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
12420         RTL_CONST_OR_PURE_CALL_P.
12421         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
12422         * loop-invariant.c (find_exits, find_invariant_bb): Changed
12423         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
12424         * sched-deps.c (schedule_analyze): Ditto.
12425         * rtl.h (struct rtx_def): Use call field, unchanging field, and
12426         return_val field of calls to represent pure and const function info.
12427         (CONST_OR_PURE_CALL_P): Deleted macro.
12428         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
12429         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
12430         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
12431         TREE_READONLY.
12432         * tree-optimize.c (execute_fixup_cfg): Added test for
12433         ECF_LOOPING_CONST_OR_PURE.
12434         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
12435         DECL_PURE_P.
12436         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
12437         effects for looping pure or const calls.
12438         (verify_gimple_expr): Added verification code.
12439         * config/alpha/alpha.c (alpha_legitimize_address,
12440         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
12441         RTL_CONST_CALL_P.
12442         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
12443         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
12444         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
12445         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
12446         RTL_CONST_OR_PURE_CALL_P.
12447         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
12448         and const calls to be deleted.
12449
12450 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
12451
12452         PR target/35714
12453         * config/i386/mmx.md (mmx_subv2sf3): New expander.
12454         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
12455         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
12456         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12457         to handle nonimmediate operands.
12458         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
12459         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
12460         to handle nonimmediate operands.
12461         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
12462         (mmx_pmulhrwv4hi3): New expander.  Use
12463         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12464         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
12465         (sse2_umulv1siv1di3): New expander.  Use
12466         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12467         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
12468         (mmx_eq<mode>3): New expander.  Use
12469         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12470         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
12471         (mmx_uavgv8qi3): New expander.  Use
12472         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12473         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
12474         (mmx_uavgv4hi3): New expander.  Use
12475         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12476
12477         * config/i386/sse.md
12478         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
12479         to handle nonimmediate operands.
12480         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
12481         to handle nonimmediate operands.
12482         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
12483         to handle nonimmediate operands.
12484         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
12485         to handle nonimmediate operands.
12486         (sse2_unpckhpd_exp): New expander.  Use
12487         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12488         (sse2_unpcklpd_exp): New expander.  Use
12489         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12490         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
12491         to handle nonimmediate operands.
12492         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
12493         to handle nonimmediate operands.
12494         (*sse2_<plusminus_insn><mode>3): Rename from
12495         sse2_<plusminus_insn><mode>3 insn pattern.
12496         (sse2_<plusminus_insn><mode>3): New expander.  Use
12497         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12498         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
12499         (sse2_umulv2siv2di3): New expander.  Use
12500         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12501         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
12502         (sse4_1_mulv2siv2di3): New expander.  Use
12503         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12504         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
12505         (sse2_pmaddwd): New expander.  Use
12506         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12507         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
12508         (sse2_eq<mode>3): New expander.  Use
12509         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12510         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
12511         (sse4_1_eqv2di3): New expander.  Use
12512         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12513         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
12514         (sse2_uavgv16qi3): New expander.  Use
12515         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12516         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
12517         (sse2_uavgv16qi3): New expander.  Use
12518         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12519         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
12520         (sse2_uavgv8hi3): New expander.  Use
12521         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12522         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
12523         (ssse3_pmulhrswv8hi3): New expander.  Use
12524         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12525         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
12526         (ssse3_pmulhrswv4hi3): New expander.  Use
12527         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12528
12529         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
12530         (<sse>_vmmul<mode>3): Ditto.
12531         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
12532         (divv2df3): Ditto.
12533         (ssse3_pmaddubsw128): Use register_operand for operand 1.
12534         (ssse3_pmaddubsw): Ditto.
12535
12536         * config/i386/i386.c (struct_builtin_description)
12537         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
12538         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
12539         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
12540         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
12541         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
12542         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
12543         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
12544         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
12545         (ix86_fixup_binary_operands): Assert that src1
12546         and src2 must have the same mode when swapped.
12547         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
12548         and ix86_binary_operator_ok.  Do not force operands in registers
12549         when optimizing.
12550
12551 2008-05-07  Jan Hubicka  <jh@suse.cz>
12552
12553         * cgraph.c (dump_cgraph_node): Update.
12554         * cgraph.h (cgraph_local_info): Break out inline summary.
12555         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
12556         hook.
12557         * ipa-inline (inline_summary): New accestor function.
12558         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
12559         cgraph_decide_inlining, compute_inline_parameters): Update.
12560         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
12561
12562 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
12563
12564         Cleanup ColdFire scheduling support and add V4 pipeline model.
12565
12566         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
12567         (define_attr cpu): Add cfv4 value.
12568         (define_attr type, define_attr type1): Merge into a single 'type'
12569         attribute.  Update all uses.
12570         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
12571         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
12572         Update all uses.
12573         (define_attr opx_mem, define_attr opy_mem): Remove.
12574         (define_attr op_mem): Clean up, update comment.
12575         (define_attr size): Use specific values instead of general int.
12576         (define_attr guess, define_attr split): Remove.  Update all uses.
12577         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
12578         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
12579         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
12580         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
12581         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
12582         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
12583         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
12584         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
12585         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
12586         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
12587         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
12588         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
12589         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
12590         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
12591         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
12592         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
12593         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
12594         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
12595         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
12596         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
12597         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
12598         Update or set attributes.
12599         (stack_tie): New fake instruction.
12600
12601         * config/m68k/m68k.h (TUNE_CFV4): New macro.
12602         (m68k_sched_attr_size): Update declaration.
12603         (m68k_sched_attr_type2): Remove.
12604         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
12605         Declare new bypass predicates.
12606
12607         * config/m68k/m68k.c (m68k_sched_issue_rate,
12608         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
12609         implementations.
12610         (TARGET_SCHED_ISSUE_RATE,
12611         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
12612         (override_options): Handle scheduling for ColdFire V4 core.
12613         (m68k_expand_prologue): Emit stack_tie.
12614         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
12615         'OP_TYPE_FPN'.  Update all uses.
12616         (sched_guess_p): Remove.
12617         (sched_address_type): Handle symbolic addresses.
12618         (sched_get_operand): New static function.
12619         (sched_operand_type): Merge into sched_attr_op_type.
12620         (sched_attr_op_type): Handle FP registers, handle quick constants,
12621         update.
12622         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
12623         (m68k_sched_attr_size): Update.  Move logic to ...
12624         (sched_get_attr_size_int): New static function.
12625         (sched_get_opxy_mem_type): New static function.
12626         (m68k_sched_attr_op_mem): Update.
12627         (m68k_sched_attr_type2): Remove.
12628         (sched_cfv4_bypass_data): New static variable.
12629         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
12630         (m68k_sched_issue_rate): Implement scheduler hook.
12631         (struct _sched_ib: enabled_p): New field.
12632         (m68k_sched_variable_issue): Update.  Handle V4.
12633         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
12634         sched_dump_class_func_t, sched_dump_split_class,
12635         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
12636         sched_dump_dfa_class, m68k_sched_dump): Remove.
12637         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
12638         hook.
12639         (m68k_sched_init_global): Remove statisctics dumping, introduce
12640         sanity check that all instructions have pipeline reservations.  Handle
12641         ColdFire V4 core.
12642         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
12643         Handle ColdFire V4 core.
12644         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
12645         New static functions.
12646         (m68k_sched_address_bypass_p): New bypass predicate.
12647         (sched_get_indexed_address_scale): New static function.
12648         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
12649
12650         * cf.md: Update comments.
12651         (define_attr type2): Remove.  Use 'type' attribute instead.
12652         Update all uses.
12653         (cf_ib): Rename to cfv123_ib.  Update all uses.
12654         (cf_oep): Rename to cfv123_oep.  Update all uses.
12655         (cf_chr): Rename to cfv123_chr.  Update all uses.
12656         (cf_mem): Rename to cfv123_mem.  Update all uses.
12657         (cf_mac): Move to more appropriate place.
12658         (cfv123_guess): New automaton and cpu_unit.
12659         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
12660         Update uses of 'size' attribute.  Handle before reload scheduling.
12661         (cfv123_guess): New dummy reservation for unhandled instructions.
12662         (cfv4_*): Pipeline description of ColdFire V4 core.
12663         (ignore): New reservation to handle 'ignore' type.
12664
12665 2008-05-07  Ian Lance Taylor  <iant@google.com>
12666
12667         PR middle-end/36013
12668         * gimplify.c (find_single_pointer_decl_1): Don't look through
12669         indirections.
12670         (find_single_pointer_decl): Adjust comments.
12671
12672 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
12673
12674         PR middle-end/36137
12675         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
12676         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
12677
12678         PR middle-end/36106
12679         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
12680         integral type rather than floating point, then VIEW_CONVERT_EXPR
12681         to the floating point type.
12682
12683 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
12684
12685         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
12686         TFmode op0 to register.
12687
12688 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
12689
12690         * c-decl.c (grokdeclarator): Comment typo.
12691
12692 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
12693
12694         * tree-flow.h: Remove prototype for computed_goto_p.
12695         * tree-cfg.c (computed_goto_p): Make static.
12696
12697 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12698
12699         PR target/35657
12700         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
12701         (contains_aligned_value_p): This.  Handle _Decimal128.
12702         (ix86_function_arg_boundary): Only align _Decimal128 to its
12703         natural boundary and handle it properly.
12704
12705 2008-05-06  Martin Jambor  <mjambor@suse.cz>
12706
12707         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
12708         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
12709         (ipcp_method_set_orig_node): Removed.
12710         (ipcp_cval_get_cvalue_type): Removed.
12711         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
12712         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
12713         (ipcp_cval_set_cvalue_type): Removed.
12714         (ipcp_cval_get_cvalue): Removed.
12715         (ipcp_cval_set_cvalue): Removed.
12716         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
12717         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
12718         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
12719         (ipcp_cval_meet): Renamed to ipa_lattice_meet
12720         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
12721         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
12722         (ipcp_get_ith_lattice): Changed parameters.
12723         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
12724         (ipcp_lattice_from_jfunc): Changed parameters.
12725         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
12726         (ipcp_method_cval_print): Added temporary variable info.
12727         (ipcp_redirect): Removed already unused local variable caller.
12728         (ipcp_redirect): New temporary variable orig_callee_info
12729         (ipcp_redirect): Removed newly unused local variable callee.
12730         (ipcp_redirect): Removed (a bit confusing) local variable type.
12731         (ipcp_insert_stage): Added local variable info.
12732         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
12733         renamed too
12734         (ipcp_formal_create): Removed.
12735         (ipcp_method_cval_set): Removed.
12736         (ipcp_propagate_stage): Renamed lattice variables.
12737         (ipcp_method_cval_set_cvalue_type): Removed.
12738         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
12739         (ipcp_print_all_lattices): Changed printed strings to refer to
12740         lattices rather than cvals.
12741         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
12742         (ipcp_propagate_const): Changed formal parameters.
12743         (build_const_val): Changed formal parameters.
12744         (ipcp_insert_stage): Removed useless variable cvalue
12745         (build_const_val): Changed formal parameters.
12746         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
12747         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
12748         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
12749         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
12750         (ipcp_print_func_profile_counts): Changed string from "method" to
12751         "function"
12752         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
12753         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
12754         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
12755         (ipcp_structures_print): Renamed to ipcp_print_all_structures
12756         (ipcp_profile_print): Renamed to ipcp_print_profile_data
12757         (ipcp_lat_is_const): Changed parameters and made inline.
12758         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
12759         (ipcp_redirect): Renamed to ipcp_need_redirect_p
12760         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
12761         the predicate condition directly
12762         (ipcp_propagate_stage): Added local variable args. Removed local
12763         variable callee.  (Both are mere code simplifications.)
12764         (ipcp_method_dont_insert_const): Renamed to
12765         ipcp_node_not_modifiable_p.
12766         (ipcp_node_not_modifiable_p): Made inline.
12767         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
12768         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
12769         (ipcp_print_all_lattices): Removed variable cvalue
12770         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
12771         Updated comments.
12772
12773 2008-05-06  Olivier Hainque  <hainque@adacore.com>
12774
12775         * tree-sra.c (try_instantiate_multiple_fields): Early return
12776         if field has POINTER_TYPE.
12777
12778 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
12779
12780         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
12781         by using 'q' specifier for instruction.
12782         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
12783
12784 2008-05-06  Anatoly Sokolov <aesok@post.ru>
12785
12786         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
12787         Change mode of zero_extract from QImode to HImode.
12788         (sign bit tests peepholes): (Ditto.).
12789
12790 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
12791
12792         * config/i386/mmx.md: Remove double backslashes from asm templates.
12793         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
12794         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12795         to handle nonimmediate operands.
12796         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
12797         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12798         to handle nonimmediate operands.
12799         (*mmx_<code>v2sf3_finite): New insn pattern.
12800         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
12801         (mmx_<code>v2sf3): New expander.  Use
12802         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12803         (mmx_<plusminus_insn><mode>3): New expander.  Use
12804         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12805         (*mmx_<plusminus_insn><mode>3): New insn pattern.
12806         (mmx_add<mode>3): Removed.
12807         (mmx_ssadd<mode>3): Ditto.
12808         (mmx_usadd<mode>3): Ditto.
12809         (mmx_sub<mode>3): Ditto.
12810         (mmx_sssub<mode>3): Ditto.
12811         (mmx_ussub<mode>3): Ditto.
12812         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
12813         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
12814         to handle nonimmediate operands.
12815         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
12816         insn pattern.
12817         (mmx_smulv4hi3_highpart): New expander.  Use
12818         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12819         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
12820         insn pattern.
12821         (mmx_umulv4hi3_highpart): New expander.  Use
12822         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12823         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
12824         (mmx_<code>v4hi3): New expander.  Use
12825         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12826         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
12827         (mmx_<code>v8qi3): New expander.  Use
12828         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12829         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
12830         (mmx_<code><mode>3): New expander.  Use
12831         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12832
12833 2008-05-05  Jan Hubicka  <jh@suse.cz>
12834
12835         PR tree-optimization/36118
12836         * passes.c (pass_init_dump_file): Fix dump header.
12837
12838 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12839
12840         PR middle-end/36141
12841         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
12842         VCE for function decls.
12843
12844 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12845
12846         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
12847
12848 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12849
12850         * config/i386/i386.md (sat_plusminus): New.
12851         (plusminus_insn): Likewise.
12852         (plusminus_mnemonic): Likewise.
12853         (addsub): Removed.
12854         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
12855         (*<addsub><mode>3_cc_overflow): Renamed to ...
12856         (*<plusminus_insn><mode>3_cc_overflow): This.
12857         (*<addsub>si3_zext_cc_overflow): Renamed to ...
12858         (*<plusminus_insn>si3_zext_cc_overflow): This.
12859
12860         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
12861         (<plusminus_insn><mode>3): This.
12862         (*<addsub><mode>3): Renamed to ...
12863         (*<plusminus_insn><mode>3): This.
12864         (<sse>_vm<addsub><mode>3): Renamed to ...
12865         (<sse>_vm<plusminus_insn><mode>3): This.
12866         (sse3_h<addsub>v4sf3): Renamed to ...
12867         (sse3_h<plusminus_insn>v4sf3): This.
12868         (sse3_h<addsub>v2df3): Renamed to ...
12869         (sse3_h<plusminus_insn>v2df3): This.
12870         (<plusminus_insn><mode>3): New.
12871         (*<plusminus_insn><mode>3): Likewise.
12872         (sse2_<plusminus_insn><mode>3): Likewise.
12873         (add<mode>): Removed.
12874         (*add<mode>3): Likewise.
12875         (sse2_ssadd<mode>3): Likewise.
12876         (sse2_usadd<mode>3): Likewise.
12877         (sub<mode>3): Likewise.
12878         (*sub<mode>3): Likewise.
12879         (sse2_sssub<mode>3): Likewise.
12880         (sse2_ussub<mode>3): Likewise.
12881
12882 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
12883
12884         * gthr-single.h: Add in required interface elements as per gthr.h.
12885         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
12886         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
12887         Generalize UNUSED macro.
12888         (__gthread_once): Add.
12889         (__gthread_key_create): Add.
12890         (__gthread_key_delete): Add.
12891         (__gthread_getspecific): Add.
12892         (__gthread_setspecific): Add.
12893
12894 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
12895
12896         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
12897         the same size types for the indirect reference on the rhs, then
12898         create a VCE.
12899
12900 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
12901
12902         * config/i386/i386.md
12903         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
12904         one insn template instead of template series.
12905         (*xordi_1_rex64): Ditto.
12906         (*xordi_2_rex64): Ditto.
12907
12908 2008-05-05  Ira Rosen  <irar@il.ibm.com>
12909
12910         PR tree-optimization/36119
12911         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
12912         in case of SLP.
12913
12914 2008-06-04  Jan Hubicka  <jh@suse.cz>
12915
12916         tree-optimization/36100
12917         * tree-pass.h (pass_O0_always_inline): Declare.
12918         * ipa-inline.c (inline_transform): Remove dead code.
12919         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
12920         pass_O0_always_inline): New.
12921         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
12922
12923 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
12924
12925         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
12926         mnemonic in this_param move for TARGET_64BIT.
12927
12928 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
12929
12930         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
12931         (*strmovsi_rex_1): Ditto.
12932         (*strsetsi_1): Ditto.
12933         (*strsetsi_rex_1): Ditto.
12934
12935         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
12936         adddicc expanders using SWI mode iterator.
12937
12938 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
12939
12940         PR target/36121
12941         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
12942         argument handling.
12943
12944 2008-05-04  David S. Miller  <davem@davemloft.net>
12945
12946         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
12947         (sparc*-*-linux*): Use linux.h in tm_file.
12948         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
12949         compiler defaulting to 32-bit.
12950         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
12951         no longer needed.
12952         * config/sparc/linux.h: Remove definitions now obtained
12953         properly from linux.h
12954         * config/sparc/linux64.h: Likewise.
12955         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
12956         don't want this setting for 32-bit builds in a biarch compiler.
12957         * doc/install.texi: Add sparc-linux to list of targets
12958         supporting --enable-targets=all.
12959
12960 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
12961
12962         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
12963
12964 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
12965
12966         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
12967         after V4SI_FTYPE_V8HI.
12968         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
12969         case V4SI_FTYPE_V2DF.
12970
12971 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
12972
12973         * doc/invoke.texi (max-flow-memory-locations): Removed.
12974         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
12975
12976 2008-05-03  Richard Guenther  <rguenther@suse.de>
12977
12978         PR middle-end/34973
12979         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
12980
12981 2008-05-02  David S. Miller  <davem@davemloft.net>
12982
12983         * config.gcc (need_64bit_hwint): Document libcpp dependency.
12984
12985 2008-05-02  Simon Baldwin <simonb@google.com>
12986
12987         PR bootstrap/36108
12988         * c-common.h (warn_array_subscript_range): Removed.
12989         * c-common.c (warn_array_subscript_range): Ditto.
12990         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
12991         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
12992
12993 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12994
12995         * config/i386/i386.c (ix86_special_builtin_type): New.
12996         (bdesc_special_args): Likewise.
12997         (ix86_expand_special_args_builtin): Likewise.
12998         (ix86_init_mmx_sse_builtins): Updated.
12999         (ix86_expand_builtin): Updated.
13000         (ix86_expand_store_builtin): Removed.
13001         (ix86_expand_unop_builtin): Likewise.
13002
13003         * config/i386/mm3dnow.h (__v2sf): Moved to ...
13004         * config/i386/mmintrin.h (__v2sf): Here.
13005
13006         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
13007         const __v2sf.
13008         (_mm_loadl_pi): Likewise.
13009         (_mm_storeh_pi): Replace __v2si with __v2sf.
13010         (_mm_storel_pi): Likewise.
13011
13012         * doc/extend.texi: Correct __builtin_ia32_loadhps,
13013         __builtin_ia32_loadlps, __builtin_ia32_storehps,
13014         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
13015         __builtin_ia32_loadlpd.
13016
13017 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
13018
13019         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
13020         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
13021         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
13022         (ix86_init_mmx_sse_builtins): Updated.
13023         (ix86_expand_args_builtin): Likewise.
13024         (ix86_expand_builtin): Likewise.
13025         (ix86_expand_unop1_builtin): Renamed to ...
13026         (ix86_expand_unop_vec_merge_builtin): This.
13027
13028 2008-05-01  Jan Hubicka  <jh@suse.cz>
13029
13030         PR bootstrap/36100
13031         * ipa-inline.c (inline_generate_summary): Make static.
13032         (inline_transform): Do not call inlining at -O0; make static.
13033         * passes.c (execute_todo): Add sanity check.
13034         (execute_one_ipa_transform_pass): Execute proper flags.
13035
13036 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
13037
13038         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
13039         (DECL_NONADDRESSABLE_P): Likewise.
13040         * alias.c (record_component_aliases): Fix comment.
13041
13042 2008-05-01  Simon Baldwin <simonb@google.com>
13043
13044         * c-common.h (warn_array_subscript_range): New function.
13045         * c-common.c (warn_array_subscript_range): Ditto.
13046         * tree-vrp.c (check_array_ref): Corrected code to agree with
13047         comment, ignoring only arrays of size 0 or size 1.
13048         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
13049
13050 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13051
13052         * config/i386/i386.c (ix86_builtin_type): Replace
13053         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
13054         (bdesc_args): Updated.
13055         (ix86_init_mmx_sse_builtins): Likewise.
13056         (ix86_expand_args_builtin): Likewise.
13057
13058         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
13059         with __v1di.
13060
13061         * doc/extend.texi: Correct __builtin_ia32_palignr.
13062
13063 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13064
13065         PR target/36095
13066         * config/i386/i386.c (bdesc_crc32): Removed.
13067         (ix86_expand_crc32): Likewise.
13068         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
13069         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
13070         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
13071         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
13072         UINT_FTYPE_UINT_UCHAR.
13073         (bdesc_args): Updated. Add crc32 builtins.
13074         (ix86_init_mmx_sse_builtins): Updated.
13075         (ix86_expand_args_builtin): Updated to support subreg.
13076
13077         * doc/extend.texi: Correct __builtin_ia32_crc32di.
13078
13079 2008-05-01  Jan Hubicka  <jh@suse.cz>
13080
13081         * tree-pass.h (opt_pass): Add IPA_PASS.
13082         (varpool_node, cgraph_node): Forward declare.
13083         (ipa_opt_pass): Define.
13084         (pass_ipa_inline): Turn into ipa_opt_pass.
13085         (pass_apply_inline): Remove.
13086         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
13087         (apply_inline): Turn into ....
13088         (inline_transform): ... this one.
13089         (inline_generate_summary): New function.
13090         (pass_apply_inline): Remove.
13091         * function.h (ipa_opt_pass): Forward declare structure; typedef;
13092         vector.
13093         (struct function): Add ipa_transforms_to_apply.
13094         * passes.c (register_one_dump_file): Work on IPA_PASS.
13095         (init_optimization_passes): Remove pass_inline_parameters and
13096         pass_apply_inline.
13097         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
13098         (execute_one_pass) ... here; apply transforms when possible.
13099         (add_ipa_transform_pass, execute_ipa_summary_asses,
13100         execute_one_ipa_transform_pass): New.
13101         (execute_ipa_pass_list): Update for IPA_PASS type.
13102
13103 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13104
13105         * config/i386/i386.c (ix86_builtin_type): Add
13106         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
13107         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
13108         (bdesc_args): Add SSE4a builtins.
13109         (ix86_init_mmx_sse_builtins): Updated.
13110         (ix86_expand_args_builtin): Likewise.
13111         (ix86_expand_builtin): Likewise.
13112
13113 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
13114
13115         * config/i386/i386.c (ix86_builtin_type): Add
13116         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
13117         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
13118         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
13119         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
13120         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
13121         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
13122         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
13123         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
13124         and DI_FTYPE_DI_DI_INT.
13125         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
13126         (ix86_init_mmx_sse_builtins): Updated.
13127         (ix86_expand_args_builtin): Likewise.
13128         (ix86_expand_builtin): Likewise.
13129         (ix86_expand_binop_imm_builtin): Removed.
13130
13131         * doc/extend.texi: Correct __builtin_ia32_palignr128.
13132
13133 2008-04-30  Richard Guenther  <rguenther@suse.de>
13134
13135         PR tree-optimization/32921
13136         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
13137
13138 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
13139
13140         * config/arm/arm.c (arm_unwind_emit): Use
13141         crtl->all_throwers_are_sibcalls instead of
13142         cfun->all_throwers_are_sibcalls.
13143         (arm_output_fn_unwind): Likewise.
13144         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
13145         instead of cfun->uses_pic_offset_table.
13146         (frv_expand_prologue): Likewise.
13147         (frv_frame_pointer_required): Likewise.
13148         (frv_expand_fdpic_call): Likewise.
13149         (frv_emit_movsi): Likewise.
13150         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
13151         cfun->returns_pcc_struct instead of
13152         current_function_returns_pcc_struct.
13153         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
13154         instead of cfun->calls_eh_return.
13155         (m32c_pushm_popm): Likewise.
13156         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
13157         "extern" declaration.
13158
13159 2008-04-30  Richard Guenther  <rguenther@suse.de>
13160
13161         PR tree-optimization/21636
13162         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
13163         constant address.
13164         (evaluate_stmt): Print the likely value.
13165         (ccp_visit_stmt): Avoid excessive vertical spacing.
13166
13167 2008-04-30  Rafael Espindola  <espindola@google.com>
13168
13169         * builtins.c (fold_call_expr): Return realret.
13170         * tree-ssa-threadedge.c
13171         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
13172         __builtin_object_size.
13173
13174 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
13175
13176         * gcc.c (wrapper_string): New variable.
13177         (insert_wrapper): New function.
13178         (execute): New option -wrapper.
13179         * doc/invoke.texi (Overall Options): New driver option -wrapper.
13180
13181 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
13182
13183         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
13184         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
13185         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
13186         from...
13187         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
13188         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
13189         config/rs6000/e500crtres64gprctr.asm,
13190         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
13191         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
13192         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
13193         config/rs6000/e500crtsav64gprctr.asm,
13194         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
13195         config/rs6000/e500crtsavg64gprctr.asm: New files.
13196         * config/rs6000/t-ppccomm: Add build rules for new files.
13197         (LIB2FUNCS_STATIC_EXTRA): Add new files.
13198         * config/rs6000/t-netbsd: Add build rules for new files.
13199         (LIB2FUNCS_STATIC_EXTRA): New variable.
13200         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
13201         (CRTSAVRES_DEFAULT_SPEC): Likewise.
13202         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
13203
13204 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
13205
13206         * config/i386/i386.c (ix86_builtin_type): Add
13207         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
13208         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
13209         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
13210         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
13211         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
13212         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
13213         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
13214         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
13215         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
13216         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
13217         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
13218         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
13219         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
13220         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
13221         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
13222         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
13223         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
13224         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
13225         V1DI_FTYPE_V2SI_V2SI.
13226         (bdesc_2arg): Moved to ...
13227         (bdesc_args): Here.
13228         (ix86_init_mmx_sse_builtins): Updated.
13229         (ix86_expand_args_builtin): Updated.  Take a pointer
13230         to const struct builtin_description.  Handle comparison
13231         builtin functions.
13232         (ix86_expand_sse_compare): Take a new argument for swapping operands.
13233         (ix86_expand_builtin): Updated.
13234
13235         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
13236         (ssse3_pmaddubsw128): This.
13237         (ssse3_pmaddubswv4hi3): Renamed to ...
13238         (ssse3_pmaddubsw): This.
13239
13240         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
13241         (__builtin_ia32_packssdw128): Likewise.
13242         (__builtin_ia32_packuswb128): Likewise.
13243         (__builtin_ia32_pmaddubsw): Likewise.
13244         (__builtin_ia32_pmaddubsw128): Likewise.
13245
13246 2008-04-30  Richard Guenther  <rguenther@suse.de>
13247
13248         PR tree-optimization/14847
13249         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
13250         (recognize_bits_test): Use it.
13251         (recognize_single_bit_test): Likewise.
13252
13253 2008-04-30  Martin Jambor  <mjambor@suse.cz>
13254
13255         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
13256         instead of setting number of formal parameters to zero.
13257         (ipcp_init_stage): Do not set the number of actual parameters to zero
13258         either.
13259         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
13260         which are called with variable number of arguments.
13261         (ipcp_insert_stage): Explicitely skipping all nodes which are
13262         called with variable number of arguments.
13263         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
13264         number of parameters.
13265
13266         * ipa-prop.h (struct ipa_node_params): Added flag
13267         called_with_var_arguments
13268         (ipa_set_param_count): Added.  Changed sole setter to use it.
13269         (ipa_get_param_count): Added.  All readers of param_count
13270         converted to use it instead.
13271         (ipa_set_called_with_variable_arg): Added.
13272         (ipa_is_called_with_var_arguments): Added.
13273         (ipa_get_ith_param): Added.  All readers of param_decls converted
13274         to use it instead.
13275         (ipa_set_cs_argument_count): Added, sole writer to argument_count
13276         changed to use it.
13277         (ipa_get_cs_argument_count): Added, all readers of argument_count
13278         changed to cal it.
13279         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
13280         to use it.
13281
13282         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
13283         (struct ipcp_lattice): Renamed cval_type to type
13284         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
13285
13286         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
13287         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
13288         (ipcp_insert_stage): Changed the type of variable cvalue to tree
13289         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
13290         (build_const_val): Changed the type of parameter cvalue to tree
13291         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
13292         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
13293
13294         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
13295         constant
13296
13297         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
13298         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
13299         (ipa_add_method): Renamed to ipa_push_func_to_list
13300         (ipa_remove_method): Renamed to ipa_pop_func_from_list
13301         (ipa_callsite_param_count): Removed.
13302         (ipa_callsite_param_count_set): Removed.
13303         (ipa_callsite_param): Removed.
13304         (ipa_callsite_callee): Removed.
13305         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
13306         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
13307         (ipa_method_formal_count): Removed.
13308         (ipa_method_formal_count_set): Removed.
13309         (ipa_method_get_tree): Removed.
13310         (ipa_method_tree_map_create): Removed.
13311         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
13312         (ipa_create_param_decls_array): Creates the array itself
13313         (ipa_create_param_decls_array): Temporary variable info instead of
13314         a few dereferences.
13315         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
13316         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
13317         (get_type): Removed.
13318         (ipa_jf_get_info_type): Removed.
13319         (ipa_node_create): Renamed to ipa_create_node_params
13320         (ipa_free): Renamed to ipa_free_all_node_params
13321         (ipa_nodes_create): Renamed to ipa_create_all_node_params
13322         (ipa_edges_create): Renamed to ipa_create_all_edge_args
13323         (ipa_edges_free): Renamed to ipa_free_all_edge_args
13324         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
13325         (ipa_free_all_node_params): Deallocation to jump_functions moved to
13326         ipa_free_all_edge_args
13327         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
13328         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
13329         (ipa_create_methodlist_node): Removed.
13330         (ipa_methodlist_method): Removed.
13331         (ipa_methodlist_method_set): Removed.
13332         (ipa_methodlist_next_method): Removed.
13333         (ipa_methodlist_next_method_set): Removed.
13334         (ipa_method_is_modified): Removed.
13335         (ipa_method_modify_create): Removed.
13336         (ipa_method_modify_init): Temporary variable info instead of a few
13337         dereferences.
13338         (ipa_detect_param_modifications): Temporary variable info instead of
13339         a few dereferences.
13340         (ipa_compute_jump_functions): Temporary variable info instead of
13341         a few dereferences.
13342         (ipa_method_modify_set): Removed.
13343         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
13344         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
13345         than craph_node as the first parameter.
13346         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
13347         (ipa_method_modify_init): Removed.
13348         (ipa_compute_jump_functions): Added a temp variable instead of
13349         repeatadly dereferencing the cgraph_edge.aux pointer
13350         (ipa_callsite_param_set_type): Removed.
13351         (ipa_compute_jump_functions): i renamed to index and moved to
13352         an inner block
13353         (ipa_callsite_param_set_info_type_formal): Removed.
13354         (ipa_callsite_param_set_info_type): Removed.
13355         (ipa_callsite_param_map_create): Removed.
13356         (ipa_callsite_tree): Removed.
13357         (ipa_callsite_caller): Removed.
13358         (ipa_pop_func_from_list): return_method removed to return_func
13359
13360         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
13361         prefixed all values with IPA_. Changed all users.
13362         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
13363         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
13364         and FORMAL_IPATYPE IPA_PASS_THROUGH.
13365         (union parameter_info): Renamed to jump_func_value.
13366         (union jump_func_value): Renamed value to constant
13367         (struct ipa_jump_func): Renamed info_type to value
13368         (struct ipa_node): Renamed to ipa_node_params
13369         (struct ipa_node_params): Renamed ipa_arg_num to param_count
13370         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
13371         (struct ipa_node_params): Renamed ipa_mod to modified_flags
13372         (struct ipa_edge): Renamed to ipa_edge_args
13373         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
13374         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
13375         (struct ipa_methodlist): Renamed to ipa_func_list
13376         (struct ipa_func_list): method_p renamed to node, next_method
13377         renamed to next
13378         (ipa_methodlist_p): Removed, switched all users to struct pointer
13379         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
13380
13381 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
13382
13383         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
13384         (rs6000_emit_epilogue): Use backchain to restore only when we
13385         have a large frame.  Make use of frame pointer to restore if we
13386         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
13387
13388 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
13389
13390         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
13391         Add mode to zero_extract.
13392         (sign bit tests peepholes): (Ditto.).
13393
13394 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
13395
13396         * config/i386/i386.c (ix86_builtins): Replace Prescott New
13397         Instructions in comments with SSE3.
13398         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
13399         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
13400         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
13401         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
13402         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
13403         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
13404         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
13405         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
13406         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
13407         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
13408         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
13409         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
13410         (bdesc_sse_args): Renamed to ...
13411         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
13412         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
13413         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
13414         IX86_BUILTIN_FABSQ.
13415         (bdesc_1arg): Moved to ...
13416         (bdesc_args): Here.
13417         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
13418         Instructions in comments with SSE3.
13419         (ix86_expand_sse_operands_builtin): Renamed to ...
13420         (ix86_expand_args_builtin): This.  Updated.
13421         (ix86_expand_unop1_builtin): Update comments.
13422         (ix86_expand_builtin): Updated.
13423
13424 2008-04-29  Richard Guenther  <rguenther@suse.de>
13425
13426         PR tree-optimization/36078
13427         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
13428         Update virtual SSA form after cleaning up the CFG.
13429
13430 2008-04-29  Richard Guenther  <rguenther@suse.de>
13431
13432         PR middle-end/15255
13433         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
13434
13435 2008-04-29  Richard Guenther  <rguenther@suse.de>
13436
13437         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
13438         (compute_may_aliases): Do not call finalize_ref_all_pointers.
13439         (compute_flow_insensitive_aliasing): Do not treat
13440         PTR_IS_REF_ALL pointers special.
13441         (get_smt_for): Likewise.
13442         (may_alias_p): Re-structure.
13443         (is_escape_site): A ref-all pointer conversion is not an escape site.
13444         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
13445         PTR_IS_REF_ALL pointers special.
13446         * tree-ssa-structalias.h (struct alias_info): Remove
13447         ref_all_symbol_mem_tag field.
13448         (PTR_IS_REF_ALL): Remove.
13449
13450 2008-04-29  Richard Guenther  <rguenther@suse.de>
13451
13452         PR middle-end/36077
13453         * fold-const.c (extract_muldiv_1): In combining division constants
13454         make sure to never overflow.
13455
13456 2008-04-29  Nick Clifton  <nickc@redhat.com>
13457
13458         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
13459
13460 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13461
13462         PR bootstrap/35169
13463         * optc-gen.awk: Work around HP-UX/IA awk bug.
13464
13465 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
13466
13467         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
13468         2008-04-25 commit.
13469
13470 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
13471
13472         PR target/36073
13473         * config/i386/i386.md
13474         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
13475         Change operand 1 predicate to nonimmediate_operand.
13476
13477 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
13478
13479         PR debug/36060
13480         * dwarf2out.c (struct die_struct): Mark as chain_circular through
13481         die_sub field.
13482         * gengtype.c (walk_type, write_func_for_structure): Handle
13483         chain_circular.
13484         * doc/gty.texi: Document chain_circular.
13485
13486 2008-04-28  Richard Guenther  <rguenther@suse.de>
13487
13488         PR tree-optimization/36066
13489         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
13490         SCEV and loop.
13491
13492 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
13493
13494         PR target/36064
13495         * config/i386/i386.md
13496         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
13497         Use match_scratch instead of match_operand for operands 3 and 4.
13498
13499 2008-04-27  Richard Guenther  <rguenther@suse.de>
13500
13501         PR tree-optimization/18754
13502         PR tree-optimization/34223
13503         * tree-pass.h (pass_complete_unrolli): Declare.
13504         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
13505         loop size before and after unconditionally of UL_NO_GROWTH in effect.
13506         Rewrite loop into loop closed SSA form if it is not already.
13507         (tree_unroll_loops_completely): Re-structure to iterate over
13508         innermost loops with intermediate CFG cleanups.
13509         Unroll outermost loops only if requested or the code does not grow
13510         doing so.
13511         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
13512         loops are available.
13513         (tree_vectorize): Instead do so here.
13514         (tree_complete_unroll): Also unroll outermost loops.
13515         (tree_complete_unroll_inner): New function.
13516         (gate_tree_complete_unroll_inner): Likewise.
13517         (pass_complete_unrolli): New pass.
13518         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
13519         uses outside of the loop.
13520         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
13521         form if it is available.
13522         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
13523         * passes.c (init_optimization_passes): Schedule complete inner
13524         loop unrolling pass before the first CCP pass after final inlining.
13525
13526 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
13527
13528         * targhooks.h (default_emutls_var_fields,
13529         default_emutls_var_init): Declare.
13530         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
13531         * target.h (struct gcc_target): Add struct emutls member.
13532         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
13533         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
13534         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
13535         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
13536         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
13537         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
13538         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
13539         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
13540         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
13541         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
13542         emit debug information.
13543         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
13544         * varasm.c: Include targhooks.h.
13545         (emutls_object_section, emutls_tmpl_section): New.
13546         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
13547         (EMUTLS_SEPARATOR): New.
13548         (prefix_name): New.
13549         (get_emutls_object_name): New.
13550         (default_emutls_var_fields): New, broken out of ...
13551         (get_emutls_object_type): ... here.  Adjust to use target hooks.
13552         (get_emutls_init_templ_addr): Adjust to use target hooks.
13553         (emutls_decl): Adjust to use target hooks.
13554         (emutls_finish): Likewise.
13555         (default_emutls_var_init): New, broken out of ...
13556         (assemble_variable): ... here.  Adjust to use target hooks.
13557         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
13558         SECCAT_EMUTLS_TMPL.
13559         * c-common.c (handle_section_attribute): Prevent overriding
13560         sections for emulated tls with special sections.
13561         * config/i386/i386.c (x86_64_elf_select_section): Add
13562         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
13563         (x86_64_elf_unique_section): Likewise.
13564         * config/vxworks.c: Include tree.h.
13565         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
13566         (vxworks_override_options): Set TLS scheme.
13567         * doc/tm.texi (Emulated TLS): New node.
13568
13569 2008-04-26  Simon Baldwin <simonb@google.com>
13570
13571         PR c/35652
13572         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
13573         with propagated string constants.
13574
13575 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
13576
13577         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
13578         constraint for operand 2 when operand 0 is memory operand.
13579         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
13580         operand 0 is memory operand.
13581         (fix_trunc<mode>_i387_with_temp): Ditto.
13582         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
13583         operand 2 when operand 1 is memory operand.
13584         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
13585         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
13586         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
13587         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
13588         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
13589         operands 2,3 and 4 when operand 1 is memory operand.
13590         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
13591         is memory operand.
13592         (fistdi2_floor_with_temp): Ditto.
13593         (fist<mode>2_floor_with_temp): Ditto.
13594         (fistdi2_ceil_with_temp): Ditto.
13595         (fist<mode>2_ceil_with_temp): Ditto.
13596         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
13597
13598 2008-04-26  David Daney  <ddaney@avtrex.com>
13599
13600         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
13601         unspec_volitile.
13602         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
13603         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
13604         UNSPEC_UPDATE_GOT_VERSION): Renumber.
13605         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
13606         (compare_and_swap_12): New insn.
13607         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
13608         * config/mips/mips.c (mips_force_binary): New function.
13609         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
13610         (mips_expand_compare_and_swap_12): New function.
13611         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
13612
13613 2008-04-25  Jan Hubicka  <jh@suse.cz>
13614
13615         PR testsuite/35843
13616         * cfgexpand.c (pass_expand): Turn into RTL pass.
13617         * passes.c (execute_one_pass): Do pass typechecking after execution.
13618         * tree-pass.h (pass_expand): Turn into RTL pass.
13619
13620         * function.h (struct rtl_data): Move here fields
13621         accesses_prior_frames, calls_eh_return, saves_all_registers,
13622         has_nonlocal_goto, has_asm_statement, is_thunk,
13623         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
13624         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
13625         arg_pointer_save_area_init from struct function; turn into bool.
13626         (struct function): Move
13627         calls_eh_return, saves_all_registers, has_nonlocal_goto,
13628         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
13629         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
13630         tail_call_emit, arg_pointer_save_area_init
13631         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
13632         (current_function_returns_struct, current_function_returns_pcc_struct,
13633         current_function_calls_setjmp, current_function_calls_alloca,
13634         current_function_accesses_prior_frames,
13635         current_function_calls_eh_return, current_function_is_thunk,
13636         current_function_stdarg, current_function_profile,
13637         current_function_limit_stack, current_function_uses_pic_offset_table,
13638         current_function_uses_const_pool, current_function_has_nonlocal_label,
13639         current_function_saves_all_registers,
13640         current_function_has_nonlocal_goto,
13641         current_function_has_asm_statement): Remove accesor macros.
13642         * ra-conflict.c (global_conflicts): Update.
13643         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
13644         (suitable_for_tail_call_opt_p): Update.
13645         * builtins.c (expand_builtin_return_addr): Update.
13646         (expand_builtin_setjmp_setup): Update.
13647         (expand_builtin_nonlocal_goto): Update.
13648         * final.c (final_start_function): Update.
13649         (profile_function): Update.
13650         (leaf_function_p): Update.
13651         (only_leaf_regs_used): Update.
13652         * df-scan.c (df_get_exit_block_use_set): Update.
13653         * dojump.c (clear_pending_stack_adjust): Update.
13654         * tree-stdarg.c (gate_optimize_stdarg): Update.
13655         * gimple-low.c (lower_function_body): Update.
13656         * global.c (compute_regsets): Update.
13657         (global_alloc): Update.
13658         * dwarf2out.c (dwarf2out_begin_prologue): Update.
13659         * expr.c (expand_assignment): Update.
13660         * dse.c (dse_step0): Update.
13661         (dse_step1): Update.
13662         * c-decl.c (store_parm_decls): Update.
13663         * local-alloc.c (combine_regs): Update.
13664         (find_free_reg): Update.
13665         * function.c (assign_parms_augmented_arg_list): Update.
13666         (assign_parm_find_data_types): Update.
13667         (assign_parms): Update.
13668         (allocate_struct_function): Update.
13669         (expand_function_start): Update.
13670         (expand_function_end): Update.
13671         (get_arg_pointer_save_area): Update.
13672         (thread_prologue_and_epilogue_insns): Update.
13673         (rest_of_match_asm_constraints): Update.
13674         * stor-layout.c (variable_size): Update.
13675         * gcse.c (gcse_main): Update.
13676         (bypass_jumps): Update.
13677         * gimplify.c (gimplify_function_tree): Update.
13678         * calls.c (emit_call_1): Update.
13679         (expand_call): Update.
13680         * bt-load.c (compute_defs_uses_and_gen): Update.
13681         * except.c (sjlj_assign_call_site_values): Update.
13682         (sjlj_emit_function_enter): Update.
13683         (can_throw_external): Update.
13684         (set_nothrow_function_flags): Update.
13685         (expand_builtin_unwind_init): Update.
13686         (expand_eh_return): Update.
13687         (convert_to_eh_region_ranges): Update.
13688         (output_function_exception_table): Update.
13689         * emit-rtl.c (gen_tmp_stack_mem): Update.
13690         * cfgexpand.c (expand_used_vars): Update.
13691         (tree_expand_cfg): Update.
13692         * cfgcleanup.c (rest_of_handle_jump): Update.
13693         * explow.c (allocate_dynamic_stack_space): Update.
13694         * varasm.c (assemble_start_function): Update.
13695         (force_const_mem): Update.
13696         (mark_constant_pool): Update.
13697         * tree-optimize.c (tree_rest_of_compilation): Update.
13698         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
13699         * tree-cfg.c (notice_special_calls): Update.
13700         (is_ctrl_altering_stmt): Update.
13701         (tree_can_make_abnormal_goto): Update.
13702         (tree_purge_dead_abnormal_call_edges): Update.
13703         * config/alpha/predicates.md: Update.
13704         * config/alpha/alpha.c (alpha_sa_mask): Update.
13705         (alpha_sa_size): Update.
13706         (alpha_does_function_need_gp): Update.
13707         (alpha_expand_prologue): Update.
13708         (alpha_start_function): Update.
13709         (alpha_output_function_end_prologue): Update.
13710         (alpha_expand_epilogue): Update.
13711         * config/frv/frv.c (frv_stack_info): Update.
13712         (frv_expand_epilogue): Update.
13713         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
13714         (s390_register_info): Update.
13715         (s390_frame_info): Update.
13716         (s390_init_frame_layout): Update.
13717         (s390_can_eliminate): Update.
13718         (save_gprs): Update.
13719         * config/spu/spu.c (spu_split_immediate): Update.
13720         (need_to_save_reg): Update.
13721         (spu_expand_prologue): Update.
13722         (spu_expand_epilogue): Update.
13723         * config/sparc/sparc.md: Update.
13724         * config/sparc/sparc.c (eligible_for_return_delay): Update.
13725         (sparc_tls_got): Update.
13726         (legitimize_pic_address): Update.
13727         (sparc_emit_call_insn): Update.
13728         (sparc_expand_prologue): Update.
13729         (output_return): Update.
13730         (print_operand): Update.
13731         (sparc_function_ok_for_sibcall): Update.
13732         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
13733         * config/m32r/m32r.md: Update.
13734         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
13735         (m32r_compute_frame_size): Update.
13736         (m32r_expand_prologue): Update.
13737         (m32r_expand_epilogue): Update.
13738         (m32r_legitimize_pic_address): Update.
13739         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
13740         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13741         * config/i386/i386.c (ix86_frame_pointer_required): Update.
13742         (gen_push): Update.
13743         (ix86_save_reg): Update.
13744         (ix86_compute_frame_layout): Update.
13745         (ix86_expand_prologue): Update.
13746         (ix86_expand_epilogue): Update.
13747         * config/sh/sh.c (output_stack_adjust): Update.
13748         (calc_live_regs): Update.
13749         (sh5_schedule_saves): Update.
13750         (sh_expand_prologue): Update.
13751         (sh_expand_epilogue): Update.
13752         (sh_setup_incoming_varargs): Update.
13753         (sh_allocate_initial_value): Update.
13754         (sh_get_pr_initial_val): Update.
13755         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
13756         * config/sh/sh.md (label:): Update.
13757         * config/avr/avr.c (out_movhi_mr_r): Update.
13758         * config/crx/crx.h (enum): Update.
13759         * config/xtensa/xtensa.h (along): Update.
13760         * config/stormy16/stormy16.c Update.
13761         (xstormy16_compute_stack_layout): Update.
13762         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
13763         (fr30_expand_prologue): Update.
13764         * config/cris/cris.c (cris_conditional_register_usage): Update.
13765         (cris_reg_saved_in_regsave_area): Update.
13766         (cris_initial_frame_pointer_offset): Update.
13767         (cris_simple_epilogue): Update.
13768         (cris_expand_prologue): Update.
13769         (cris_expand_epilogue): Update.
13770         (cris_expand_pic_call_address): Update.
13771         (cris_asm_output_symbol_ref): Update.
13772         (cris_asm_output_label_ref): Update.
13773         * config/cris/cris.md Update.
13774         * config/iq2000/iq2000.c (compute_frame_size): Update.
13775         (iq2000_expand_epilogue): Update.
13776         * config/mt/mt.h (save_direction): Update.
13777         * config/mn10300/mn10300.c (mn10300_function_value): Update.
13778         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
13779         (ia64_secondary_reload_class): Update.
13780         * config/m68k/m68k.c (m68k_save_reg): Update.
13781         (m68k_expand_prologue): Update.
13782         (m68k_expand_epilogue): Update.
13783         (legitimize_pic_address): Update.
13784         * config/rs6000/rs6000.c (rs6000_got_register): Update.
13785         (first_reg_to_save): Update.
13786         (first_altivec_reg_to_save): Update.
13787         (compute_vrsave_mask): Update.
13788         (compute_save_world_info): Update.
13789         (rs6000_stack_info): Update.
13790         (spe_func_has_64bit_regs_p): Update.
13791         (rs6000_ra_ever_killed): Update.
13792         (rs6000_emit_eh_reg_restore): Update.
13793         (rs6000_emit_allocate_stack): Update.
13794         (rs6000_emit_prologue): Update.
13795         (rs6000_emit_epilogue): Update.
13796         (rs6000_output_function_epilogue): Update.
13797         (output_profile_hook): Update.
13798         (rs6000_elf_declare_function_name): Update.
13799         * config/rs6000/rs6000.h (rs6000_args): Update.
13800         * config/rs6000/rs6000.md: Update.
13801         * config/mcore/mcore.c (mcore_expand_prolog): Update.
13802         * config/arc/arc.c (arc_output_function_epilogue): Update.
13803         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
13804         * config/darwin.c (machopic_function_base_name): Update.
13805         * config/score/score3.c (score3_compute_frame_size): Update.
13806         (rpush): Update.
13807         (rpop): Update.
13808         (score3_epilogue): Update.
13809         * config/score/score7.c (score7_compute_frame_size): Update.
13810         (score7_prologue): Update.
13811         (score7_epilogue): Update.
13812         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
13813         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13814         * config/arm/arm.c (use_return_insn): Update.
13815         (require_pic_register): Update.
13816         (arm_load_pic_register): Update.
13817         (arm_compute_save_reg0_reg12_mask): Update.
13818         (arm_compute_save_reg_mask): Update.
13819         (thumb1_compute_save_reg_mask): Update.
13820         (output_return_instruction): Update.
13821         (arm_output_function_prologue): Update.
13822         (arm_output_epilogue): Update.
13823         (arm_get_frame_offsets): Update.
13824         (arm_expand_prologue): Update.
13825         (thumb_pushpop): Update.
13826         (thumb_exit): Update.
13827         (thumb1_expand_prologue): Update.
13828         (thumb1_expand_epilogue): Update.
13829         (arm_unwind_emit): Update.
13830         (arm_output_fn_unwind): Update.
13831         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
13832         * config/arm/arm.md: Update.
13833         * config/pa/pa.md: Update.
13834         * config/pa/pa.c (legitimize_pic_address): Update.
13835         (compute_frame_size): Update.
13836         (hppa_expand_prologue): Update.
13837         (hppa_expand_epilogue): Update.
13838         (borx_reg_operand): Update.
13839         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
13840         (HARD_REGNO_RENAME_OK): Update.
13841         * config/mips/mips.c (mips_global_pointer): Update.
13842         (mips_save_reg_p): Update.
13843         (mips_compute_frame_info): Update.
13844         (mips_frame_pointer_required): Update.
13845         (mips_expand_prologue): Update.
13846         (mips_expand_epilogue): Update.
13847         (mips_can_use_return_insn): Update.
13848         (mips_reorg_process_insns): Update.
13849         * config/v850/v850.c (compute_register_save_size): Update.
13850         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
13851         * config/mmix/mmix.c (along): Update.
13852         (mmix_expand_epilogue): Update.
13853         * config/bfin/bfin.c (legitimize_pic_address): Update.
13854         (must_save_p): Update.
13855         (stack_frame_needed_p): Update.
13856         (add_to_reg): Update.
13857         (bfin_expand_prologue): Update.
13858         * stmt.c (expand_asm_operands): Update.
13859         * reload1.c (reload): Update.
13860         (init_elim_table): Update.
13861
13862 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
13863
13864         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
13865
13866 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
13867
13868         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
13869         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
13870         (mov<mode>): Removed.
13871         (*movv4sf_internal): Likewise.
13872         (*movv2df_internal): Likewise.
13873
13874 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
13875
13876         * config.gcc (crx-*-elf): Remove deprecation.
13877
13878 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
13879
13880         * config/i386/cygming-crtend.c (register_frame_ctor): Register
13881         __gcc_deregister_frame with atexit.
13882         (deregister_frame_dtor): Remove.
13883
13884 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
13885             Nathan Sidwell  <nathan@codesourcery.com>
13886
13887         * config/rs6000/rs6000.opt (mspe): Remove Var property.
13888         (misel): Likewise.
13889         * config/rs6000/rs6000.h (rs6000_spe): Declare.
13890         (rs6000_isel): Likewise.
13891         * config/rs6000/rs6000.c (rs6000_spe): New variable.
13892         (rs6000_isel): New variable.
13893         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
13894
13895 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13896
13897         PR c++/35758
13898         * c-common.c (handle_vector_size_attribute): Call
13899         lang_hooks.types.reconstruct_complex_type instead of
13900         reconstruct_complex_type.
13901         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
13902         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
13903         * langhooks.h (struct lang_hooks_for_types): Add
13904         reconstruct_complex_type hook.
13905         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
13906         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
13907
13908 2008-04-24  Richard Guenther  <rguenther@suse.de>
13909
13910         * c-common.h (check_builtin_function_arguments): Declare.
13911         * c-common.c (validate_nargs): New function.
13912         (check_builtin_function_arguments): Likewise.
13913         * c-typeck.c (build_function_call): Call
13914         check_builtin_function_arguments.
13915         * builtins.c (fold_builtin_classify): Remove error reporting code.
13916         (fold_builtin_unordered_cmp): Likewise.
13917         (fold_builtin_1): Likewise.
13918         (fold_builtin_n): Likewise.
13919
13920 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13921
13922         PR tree-optimization/36008
13923         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
13924         the original op1, rather than delta by step.
13925
13926 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
13927             Sebastian Pop  <sebastian.pop@amd.com>
13928
13929         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
13930         eliminate_local_variables_stmt, eliminate_local_variables,
13931         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
13932         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
13933         of code delimited by two edges in the CFG.
13934         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
13935         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
13936         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
13937         the case of parallelisation of reductions.
13938         (expr_invariant_in_region_p): New.
13939
13940         * tree-flow.h (gather_blocks_in_sese_region): Declared.
13941         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
13942
13943 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13944             Richard Guenther  <rguenther@suse.de>
13945
13946         PR tree-optimization/36034
13947         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
13948         incapable of dealing with loads with gaps.
13949
13950 2008-04-24  Rafael Espindola  <espindola@google.com>
13951
13952         * tree-flow.h (vrp_evaluate_conditional): Change signature.
13953         * tree-ssa-propagate.c (fold_predicate_in): Update call to
13954         vrp_evaluate_conditional.
13955         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
13956         (vrp_evaluate_conditional): Split the cond argument.
13957         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
13958         (simplify_stmt_for_jump_threading): Update call to
13959         vrp_evaluate_conditional.
13960
13961 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13962
13963         PR tree-optimization/35982
13964         * tree-vect-analyze.c (vect_check_interleaving): Check that the
13965         interleaved data-refs are of the same type.
13966
13967 2008-04-24  Danny Smith  <dannysmith@users.net>
13968
13969         * c-format.c (check_format_info_main): Use strncmp rather than a
13970         magic prefix to handle multichar length specs.
13971         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
13972         Don't prefix "I64" and "I32" with '\0'.
13973
13974 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13975
13976         PR target/36015
13977         * config/i386/i386.c (init_cumulative_args): Don't pass anything
13978         in registers for -m32 only if stdarg_p (fntype).
13979
13980 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
13981
13982         PR rtl-optimization/36006
13983         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
13984         temp to op0 in order to avoid invalid rtx sharing.
13985
13986 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13987
13988         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
13989         check TREE_INVARIANT.
13990         * tree-gimple.c (is_gimple_address): New.
13991         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
13992         * tree-gimple.h (is_gimple_address): New.
13993         * tree.h (decl_address_invariant_p): New.
13994         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
13995         (build_string): Likewise.
13996         (decl_address_invariant_p): New, from is_gimple_invariant_address.
13997         (tree_invariant_p_1): Likewise.
13998         (save_expr): Use it.
13999         (tree_invariant_p): New.
14000         (skip_simple_arithmetic): Use it.
14001         (stabilize_reference_1): Use it.
14002         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
14003         simplify.
14004         (build1_stat): Drop code to compute TREE_INVARIANT.
14005         (build2_stat): Drop code to compute TREE_INVARIANT.
14006         (build3_stat): Drop code to compute TREE_INVARIANT.
14007         (build4_stat): Drop code to compute TREE_INVARIANT.
14008         (build5_stat): Drop code to compute TREE_INVARIANT.
14009         (build7_stat): Drop code to compute TREE_INVARIANT.
14010         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
14011         * tree.h (struct tree_base): Remove invariant_flag.
14012         (TREE_INVARIANT): Remove.
14013         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
14014         (fold_builtin_expect): Check TREE_CONSTANT.
14015         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
14016         * c-tree.h (c_expr_to_decl): Drop third parameter.
14017         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
14018         (build_c_cast): Don't set TREE_INVARIANT.
14019         (pop_init_level): Don't set TREE_INVARIANT.
14020         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
14021         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
14022         TREE_CONSTANT.
14023         (gimplify_init_constructor): Don't set TREE_INVARIANT.
14024         (gimplify_addr_expr): Adjust comment.
14025         * tree-mudflap.c (mf_build_string):
14026         * print-tree.c (print_node): Don't print TREE_INVARIANT.
14027         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
14028         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
14029         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
14030         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
14031         * langhooks.h (struct lang_hooks): Drop third parameter from
14032         expr_to_decl.
14033
14034 2008-04-23  Richard Guenther  <rguenther@suse.de>
14035
14036         PR tree-optimization/27799
14037         PR tree-optimization/32921
14038         PR tree-optimization/32624
14039         * tree-ssa-structalias.c (merge_smts_into): Only merge the
14040         SMTs aliases and the tag itself into the solution.
14041         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
14042         merge the points-to solution back into the SMT aliases.
14043         (may_alias_p): Use alias_set_subset_of instead of
14044         aliases_conflict_p.  A pointer which points to
14045         memory with alias set zero may access any variable.
14046
14047 2008-04-23  Richard Guenther  <rguenther@suse.de>
14048
14049         * alias.c (alias_set_subset_of): Correctly handle asking
14050         if zero is a subset of an alias set with zero child.
14051         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
14052         (compute_flow_insensitive_aliasing): Correctly walk all
14053         pointers.  Do not unnecessarily union sets.
14054
14055 2008-04-23  Richard Guenther  <rguenther@suse.de>
14056
14057         PR middle-end/36021
14058         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
14059
14060 2008-04-22  Tomas Bily  <tbily@suse.cz>
14061
14062         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
14063         unreachable case.
14064         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
14065         NON_LVALUE_EXPR.
14066         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
14067         * tree-ssa-structalias.c (get_constraint_for): Likewise.
14068         * tree-inline.c (estimate_num_insns_1): Likewise.
14069         * varasm.c (const_hash_1, compare_constant, copy_constant)
14070         (compute_reloc_for_constant, output_addressed_constants): Likewise.
14071         * emit-rtl.c (component_ref_for_mem_expr)
14072         (set_mem_attributes_minus_bitpos): Likewise.
14073         * expr.c (highest_pow2_factor, expand_expr_real_1, )
14074         (is_aligning_offset): Likewise.
14075         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
14076         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
14077         * dojump.c (do_jump): Likewise.
14078         * builtins.c (get_pointer_alignment, get_memory_rtx)
14079         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
14080         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
14081
14082 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
14083
14084         PR rtl-optimization/36017
14085         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
14086         expanding the library call.
14087
14088 2008-04-22  Ian Lance Taylor  <iant@google.com>
14089
14090         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
14091         than size_in_bytes.
14092
14093 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
14094
14095         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
14096         of LR/CTR moves for Power6.
14097
14098 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
14099
14100         PR middle-end/36003
14101         * passes.c (init_optimization_passes): Remove
14102         pass_fast_rtl_byte_dce.
14103
14104 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
14105
14106         PR target/29096
14107         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
14108         builtin functions to generate faster code.
14109         (_mm_cvtpu16_ps): Ditto.
14110         (_mm_cvtpi32x2_ps): Ditto.
14111
14112 2008-04-22  Nick Clifton  <nickc@redhat.com>
14113
14114         * common.opt (ftree-loop-distribution): Add Optimization
14115         attribute.
14116
14117         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
14118         (frv_expand_builtin_va_start): Likewise.
14119
14120         * config/arm/arm.c (thumb_find_work_register): Fix location of
14121         argument register count.
14122
14123 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
14124
14125         Support scheduling for ColdFire V1 and V3 microarchitecture.
14126         Improve scheduling of multiplication instructions.
14127
14128         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
14129         (mac): New instruction attribute.
14130         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
14131         (m68k_sched_mac): New variable.
14132         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
14133         Handle cfv1 and cfv3.
14134         (max_insn_size): New static variable.
14135         (struct _sched_ib): New type.
14136         (sched_ib): New static variable.
14137         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
14138         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
14139         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
14140         Update.
14141         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
14142         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
14143         new variables.  Update.
14144         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
14145         Add modeling of cfv3 instruction buffer.  Update.
14146         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
14147         * config/m68k/m68k.h (TUNE_CFV3): New macro.
14148         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
14149         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
14150         a particular reservation applies to.
14151         (type2): Reorganize attribute values.  Rename alu to alu_reg,
14152         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
14153         to mul_l and mul_w.
14154         (cf_ib_*): Simplify description of instruction buffer.
14155         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
14156         (cf_mem): Split into cf_mem1 and cf_mem2.
14157         (cf_v2_move_??): Rename to cfv12_alu_??.
14158         (cf_v2_move_l_??): Rename to cfv12_omove_??.
14159         (cf_v2_mul_??): Remove reservations.
14160         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
14161         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
14162         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
14163         appropriate place.
14164         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
14165         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
14166         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
14167         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
14168         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
14169         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
14170         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
14171         expansions of the above reservations for instructions of sizes
14172         1, 2 and 3 words.
14173
14174 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
14175
14176         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
14177
14178 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
14179
14180         * coverage.c: Include tree-pass.h.
14181         (coverage_counter_alloc): Print da_file_name to the dump file.
14182
14183 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
14184
14185         * sbitmap.c (sbitmap_range_empty_p): New function.
14186         * sbitmap.h (sbitmap_range_empty_p): New function.
14187         * bitmap.h: Now includes obstack.h.
14188
14189 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
14190             Kenneth Zadeck  <zadeck@naturalbridge.com>
14191
14192         * dbgcnt.def (ra_byte_scan): Added.
14193         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
14194         when the last hit happens for a counter.
14195         * timevar.def (TV_DF_BYTE_LR): New variable.
14196         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
14197         * passes.c (pass_fast_rtl_byte_dce): New pass.
14198         * fwprop.c (update_df): Added mode to call df_ref_create.
14199         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
14200         DF_REF_EXTRACT_OFFSET.
14201         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
14202         DF_BYTE_LR_OUT, df_byte_lr): New macro.
14203         (df_mm): New enum.
14204         (df_ref_extract): Added mode field.
14205         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
14206         DF_REF_EXTRACT_OFFSET.
14207         (DF_REF_EXTRACT_MODE): New macro.
14208         (df_byte_lr_bb_info): New structure.
14209         (df_print_byte_regset, df_compute_accessed_bytes,
14210         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
14211         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
14212         df_byte_lr_simulate_uses,
14213         df_byte_lr_simulate_artificial_refs_at_top,
14214         df_byte_lr_simulate_artificial_refs_at_end,
14215         df_compute_accessed_bytes): New function.
14216         (df_ref_create): Add parameter.
14217         (df_byte_lr_get_bb_info): New inline function.
14218         * df-scan.c (df_ref_record, df_uses_record,
14219         df_ref_create_structure): Added mode parameter.
14220         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
14221         df_defs_record, df_uses_record, df_get_conditional_uses,
14222         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
14223         df_entry_block_defs_collect, df_exit_block_uses_collect):
14224         Added mode parameter to calls to df_ref_record, df_uses_record,
14225         df_ref_create_structure.
14226         (df_ref_equal_p, df_ref_compare): Added test for modes.
14227         (df_ref_create_structure): Added code to set mode.  Renamed
14228         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
14229         DF_REF_EXTRACT_OFFSET.
14230         * df-core.c (df_print_byte_regset): New function.
14231         * df-byte-scan.c: New file.
14232         * df-problems.c (df_rd_transfer_function): Removed unnecessary
14233         calls to BITMAP_FREE.
14234         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
14235         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
14236         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
14237         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
14238         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
14239         df_byte_lr_local_compute, df_byte_lr_init,
14240         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
14241         df_byte_lr_transfer_function, df_byte_lr_free,
14242         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
14243         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
14244         df_byte_lr_simulate_uses,
14245         df_byte_lr_simulate_artificial_refs_at_top,
14246         df_byte_lr_simulate_artificial_refs_at_end): New function.
14247         * dce.c (byte_dce_process_block): New function.
14248         (dce_process_block): au is now passed in rather than computed
14249         locally.  Changed loops that look at artificial defs to not look
14250         for conditional or partial ones, because there never are any.
14251         (fast_dce): Now is able to drive byte_dce_process_block or
14252         dce_process_block depending on the kind of dce being done.
14253         (rest_of_handle_fast_dce): Add parameter to fast_dce.
14254         (rest_of_handle_fast_byte_dce): New function.
14255         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
14256         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
14257
14258 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
14259
14260         PR fortran/35019
14261         * gcc.h: Added fortran options that take arguments to
14262         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
14263         macros.
14264
14265 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
14266
14267         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
14268         scalarization if on the LHS and not a full access.
14269
14270 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14271
14272         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
14273
14274 2008-04-18  Rafael Espindola  <espindola@google.com>
14275
14276         * tree-vrp.c (find_case_label_index): Fix the binary search.
14277         (find_case_label_range): New.
14278         (vrp_visit_switch_stmt): Use find_case_label_range.
14279         (simplify_switch_using_ranges): Use find_case_label_range.
14280
14281 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
14282
14283         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
14284         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
14285
14286 2008-04-18  Tom Tromey  <tromey@redhat.com>
14287
14288         PR libcpp/15500:
14289         * doc/cpp.texi (Implementation-defined behavior): Mention
14290         -finput-charset.
14291
14292 2008-04-18  Ian Lance Taylor  <iant@google.com>
14293
14294         * fold-const.c (pointer_may_wrap_p): New static function.
14295         (fold_comparison): Add another test for pointer overflow.  Use
14296         pointer_may_wrap_p to disable some false positives.
14297
14298 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
14299
14300         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
14301         (fname_as_string): Match updated cpp_interpret_string prototype.
14302         (fix_string_type): Support char16_t* and char32_t*.
14303         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
14304         derivative) nodes.  Register as builtin if C++0x.
14305         (c_parse_error): Support CPP_CHAR{16,32}.
14306         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
14307         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
14308         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
14309         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
14310         CTI_CHAR32_ARRAY_TYPE>: New elements.
14311         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
14312         char32_type_node, signed_char32_type_node, char16_array_type_node,
14313         char32_array_type_node): New defines.
14314         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
14315         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
14316         (lex_string): Support CPP_STRING{16,32}, match updated
14317         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
14318         (lex_charconst): Support CPP_CHAR{16,32}.
14319         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
14320         and CPP_STRING{16,32}.
14321
14322 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
14323
14324         PR bootstrap/35457
14325         * aclocal.m4: Regenerate.
14326         * configure: Regenerate.
14327
14328 2008-04-18  Jan Hubicka  <jh@suse.cz>
14329
14330         * except.c (dw2_size_of_call_site_table,
14331         sjlj_size_of_call_site_table): Use vector API for call_site_record.
14332
14333         * cgraphbuild.c (build_cgraph_edges): Update.
14334         * tree-pass.h: Update comment.
14335         * final.c (leaf_function_p): Update.
14336         (leaf_renumber_regs): Update.
14337         (rest_of_clean_state): Update.
14338         * omp-low.c (expand_omp_parallel): Update.
14339         * ipa-reference.c (analyze_function): Update.
14340         * reorg.c (find_end_label): Update.
14341         (optimize_skip): Update.
14342         (fill_simple_delay_slots): Update.
14343         (fill_simple_delay_slots): Update.
14344         (make_return_insns): Update.
14345         (dbr_schedule): Update.
14346         * gimple-low.c (record_vars_into): Update.
14347         * cfgbuild.c (make_edges): Update.
14348         * function.c (assign_stack_local): Update.
14349         (assign_parm_adjust_stack_rtl): Update.
14350         (locate_and_pad_parm): Update.
14351         (allocate_struct_function): Do not initialize stack_alignment_needed
14352         and preferred_stack_boundary here.
14353         (stack_protect_prologue): Update.
14354         (stack_protect_epilogue): Update.
14355         (expand_function_start): Initialize stack_alignment_needed,
14356         preferred_stack_boundary and max_jumptable_ents.
14357         (expand_function_end): Update.
14358         (free_after_compilation): Do not NULLify epilogue_delay_list.
14359         * function.h (struct rtl_data): Add stack_protect_guard,
14360         stack_alignment_needed,
14361         preferred_stack_boundary, epilogue_delay_list.
14362         (struct function): Remove value_histograms, stack_alignment_needed,
14363         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
14364         last_label_uid,
14365         unexpanded_var_list, stack_protect_guard.
14366         (current_function_epilogue_delay_list): Remove.
14367         * ipa-type-escape.c (analyze_function): Update.
14368         * gimplify.c (pop_gimplify_context): Update comment.
14369         * calls.c (expand_call): Update.
14370         (emit_library_call_value_1): Update.
14371         * except.c (set_nothrow_function_flags): Update.
14372         * cfgexpand.c (get_decl_align_unit): Update.
14373         (create_stack_guard): Update.
14374         (estimated_stack_frame_size): Update.
14375         (expand_used_vars): Update.
14376         (tree_expand_cfg): Free histogram earliers, init expansion variables.
14377         * explow.c (allocate_dynamic_stack_space): Update.
14378         * tree-ssa-live.c (remove_unused_locals): Update.
14379         * varasm.c (mark_constant_pool): Update.
14380         * tree-inline.c (remap_decls): Update.
14381         (initialize_cfun): Update.
14382         (declare_return_variable): Update.
14383         (inline_forbidden_p): Update.
14384         (expand_call_inline): Update.
14385         (declare_inline_vars): Update.
14386         (tree_function_versioning): Update.
14387         * tree-flow.h (value_histograms): New.
14388         (VALUE_HISTOGRAMS): New macro.
14389         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
14390         last_label_uid.
14391         * tree-cfg.c (set_bb_for_stmt): Update.
14392         (replace_by_duplicate_decl): Update.
14393         (move_block_to_fn): Update.
14394         (new_label_mapper): Update.
14395         (dump_function_to_file): Update.
14396         * ipa-struct-reorg.c (build_data_structure): Update.
14397         * cfgrtl.c (print_rtl_with_bb): Update.
14398         * reload1.c (reload): Update.
14399         (reload): Update.
14400         * config/i386/i386.c (setup_incoming_varargs_64,
14401         ix86_compute_frame_layout): Update.
14402         * config/arc/arc.c (arc_output_function_epilogue): Update.
14403
14404 2008-04-18  Marius Strobl <marius@FreeBSD.org>
14405
14406         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
14407         for FreeBSD as well.
14408         * gthr-posix95.h: Likewise.
14409
14410 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
14411
14412         PR rtl-optimization/35838
14413         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
14414         out the byte offset of the first subreg.
14415
14416 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
14417
14418         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
14419         to split_ti instead of three separate calls with single member arrays.
14420         (subti3 splitter): Ditto.
14421         (adddi3 splitter): Ditto with split_di.
14422         (subdi3 splitter): Ditto.
14423         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
14424         two separate calls with single member arrays.  Swap match_dup
14425         operands 1 and 2 to better fit into the array.
14426         (negdi2 splitter): Ditto with split_di.
14427         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
14428         two separate calls with single member arrays.  Swap match_dup operands
14429         6 and 7 to better fit into the array.
14430
14431 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
14432
14433         * config/i386/i386.c (sse_builtin_type): New.
14434         (bdesc_sse_args): Likewise.
14435         (bdesc_sse_3arg): Removed.
14436         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
14437         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
14438         IX86_BUILTIN_ROUNDPS.
14439         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
14440         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
14441         IX86_BUILTIN_ROUNDPS.
14442         (ix86_expand_sse_4_operands_builtin): Removed.
14443         (ix86_expand_sse_operands_builtin): New.
14444         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
14445         and CODE_FOR_sse4_1_roundps.
14446         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
14447         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
14448
14449 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
14450
14451         PR target/35907
14452         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
14453         regs before frame pop when needed.  If use_backchain_to_restore_sp
14454         then load backchain into a temp reg to restore vr and vrsave.  Add
14455         code to restore vr after frame pop if possible.
14456
14457 2008-04-17  Richard Guenther  <rguenther@suse.de>
14458
14459         * tree-vn.c (expressions_equal_p): Do not check type
14460         equality or compatibility before calling operand_equal_p.
14461         * fold-const.c (operand_equal_p): Check equivalence of
14462         integer constants before bailing out due to signedness or
14463         precision differences.
14464         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
14465         spurious differences in type qualification.  Ignore types
14466         for COMPONENT_REFs at all.
14467
14468 2008-04-17  Christian Bruel  <christian.bruel@st.com>
14469
14470         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
14471         msw_skip comparison.
14472
14473 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
14474
14475         PR c/35739
14476         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
14477         reg type.
14478
14479         PR tree-optimization/35899
14480         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
14481         rather than TREE_OPERAND.
14482
14483 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
14484
14485         PR target/35944
14486         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
14487         temporary registers.  Change operand predicate to general_operand.
14488         (remainderxf3): Ditto.
14489
14490 2008-04-16  Richard Guenther  <rguenther@suse.de>
14491
14492         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
14493         * tree-affine.c (aff_combination_expand): Look through some
14494         conversions.
14495
14496 2008-04-15  Doug Kwan  <dougkwan@google.com>
14497
14498         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
14499         for hex printing.
14500         * tree-pretty-print.c (dump_generic_node): Ditto.
14501         * final.c (output_addr_const): Ditto.
14502         * dwarf2out.c (output_cfi): Ditto.
14503         * c-pretty-print.c (pp_c_integer_constant): Ditto.
14504         * print-rtl.c (print_rtx): Ditto.
14505         * print-tree.c (print_node_brief, print_node): Ditto.
14506         * c-common.c (match_case_to_enum_1): Ditto.
14507         * sched-vis.c (print_value): Ditto.
14508         * config/i386/i386.c (print_operand): Cast to long unsigned int
14509         for hex printing.
14510
14511 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
14512         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
14513         MS Windows VirtualProtect function.
14514
14515 2008-04-15  Jan Hubicka  <jh@suse.cz>
14516
14517         * gengtype.c (write_root): Param_is argument is OK.
14518         * expr.c (expand_expr_real_1): Update call of get_exception_*.
14519         * function.h: Include varray.h
14520         (rtl_eh): New stucture based on except.c one.
14521         (call_site_record): New forward declaration and vector type.
14522         * calls.c (emit_call_1): Do not call
14523         note_current_region_may_contain_throw.
14524         * except.c (eh_status): Remove cur_region, try_region since they are
14525         unused.
14526         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
14527         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
14528         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
14529         Remove call_site_data_used, call_site_data_size.
14530         Turn call_site_record into vector in function.h.
14531         (note_current_region_may_contain_throw): Remove.
14532         (get_exception_pointer, get_exception_filter): Do not take struct
14533         function argument; update.
14534         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
14535         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
14536         build_post_landing_pads, dw2_build_landing_pads,
14537         sjlj_assign_call_site_values, sjlj_mark_call_sites,
14538         sjlj_emit_function_enter, sjlj_emit_function_enter,
14539         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
14540         sjlj_build_landing_pads, finish_eh_generation,
14541         remove_exception_handler_label, remove_eh_handler,
14542         maybe_remove_eh_handler, add_reachable_handler,
14543         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
14544         add_action_record, collect_one_action_chain, add_call_site,
14545         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
14546         sjlj_output_call_site_table, output_function_exception_table,
14547         * except.h (note_current_region_may_contain_throw): Remove
14548         (get_exception_pointer, get_exception_filter): Do not take struct
14549         function argument.
14550         * Makefile.in (GTFILES): Put varargs before struct function.
14551
14552 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
14553
14554         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
14555         punt for STRING_CST.
14556         (get_constraint_for): Deal with STRING_CST here instead.
14557
14558 2008-04-15  Richard Guenther  <rguenther@suse.de>
14559
14560         * tree-ssa-propagate.c (substitute_and_fold): Substitute
14561         statements in a basic-block with a backward walk.  Do not
14562         substitute into dead statements but instead remove those.
14563
14564 2008-04-15  Richard Guenther  <rguenther@suse.de>
14565
14566         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
14567         to zero, thus disable creation of SFTs.
14568
14569 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
14570
14571         * tree-predcom.c (suitable_reference_p): Return false if the
14572         reference can throw.
14573
14574 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
14575
14576         PR c/35751
14577         * c-decl.c (finish_decl): If extern or static var has variable
14578         size, set TREE_TYPE (decl) to error_mark_node.
14579
14580 2008-04-15  Rafael Espindola  <espindola@google.com>
14581
14582         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
14583         variable arg1.
14584
14585 2008-04-15  Richard Guenther  <rguenther@suse.de>
14586
14587         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
14588         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
14589         (visit_reference_op_load): Do walk vuse-vdef chains on
14590         vn_reference_lookup.
14591         (visit_reference_op_store): But do not here.
14592         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
14593         vn_reference_lookup.
14594         (vn_lookup_with_vuses): But do so here.
14595
14596 2008-04-14  Ian Lance Taylor  <iant@google.com>
14597
14598         * fold-const.c (fold_overflow_warning): Remove assertion.
14599
14600 2008-04-15  Ben Elliston  <bje@au.ibm.com>
14601
14602         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
14603         temp1 local variables.
14604
14605 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
14606
14607         PR target/35661
14608         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
14609         ".text.unlikely" section as executable.
14610
14611 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
14612
14613         * config/ia64/ia64.c (rtx_needs_barrier): Handle
14614         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
14615         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
14616         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
14617         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
14618         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
14619         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
14620
14621 2008-04-14  Ian Lance Taylor  <iant@google.com>
14622
14623         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
14624         * fold-const.c (fold_comparison): If appropriate, test
14625         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
14626         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
14627         reassociating a pointer type.
14628         * doc/invoke.texi (Optimize Options): Document that
14629         -fstrict-overflow applies to pointer wraparound.
14630
14631 2008-04-13  Jan Hubicka  <jh@suse.cz>
14632
14633         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
14634
14635 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
14636
14637         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
14638         we are going to "save the world".
14639
14640 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
14641
14642         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
14643         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
14644         operand 0 constraint, not "=".
14645
14646 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
14647
14648         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
14649
14650 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14651
14652         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
14653         of size of positions_needed * CHAR_BIT.
14654
14655 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14656
14657         PR middle-end/35897
14658         * dse.c (store_info): Change positions_needed to unsigned
14659         HOST_WIDE_INT.
14660         (lowpart_bitmask): New.
14661         (record_store): Cast to unsigned HOST_WIDE_INT for
14662         positions_needed.  Assert width <= size of positions_needed *
14663         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
14664         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
14665         lowpart_bitmask to set mask.
14666
14667 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
14668
14669         * config/bfin/constraints.md: New file.
14670         * config/bfin/bfin.md: Include it.
14671         (adddi3): Use satisfies_constraint functions instead of the old macros.
14672         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
14673         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
14674         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
14675         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
14676         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
14677         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
14678         EXTRA_CONSTRAINT): Delete.
14679         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
14680         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
14681         of the old macros.
14682         * config/bfin/bfin.c: Include "tm-constrs.h".
14683         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
14684         Use satisfies_constraint functions instead of the old macros.
14685         * doc/md.texi (Blackfin Constraints): Update file name reference.
14686
14687 2008-04-11  Richard Guenther  <rguenther@suse.de>
14688
14689         PR tree-optimization/35869
14690         * tree-vrp.c (execute_vrp): Move switch statement update after
14691         jump threading.  Schedule another cfg cleanup run.
14692
14693 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
14694
14695         PR c/35744
14696         * attribs.c (decl_attributes): Return early on errorneous node.
14697
14698 2008-04-10  Oleg Ryjkov  <olegr@google.com>
14699
14700         * tree.h (struct tree_base): Added a new flag default_def_flag.
14701         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
14702
14703 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
14704
14705         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
14706
14707 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14708
14709         PR target/35768
14710         * pa.md: Define mode iterator P.  Define mode attribute dwc.
14711         (dcacheflush): Update pattern to use iterator P and attribute dwc.
14712         (icacheflush): Likewise.
14713         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
14714         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
14715
14716 2008-04-11  Ben Elliston  <bje@au.ibm.com>
14717
14718         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
14719
14720 2008-04-10  Rafael Espindola  <espindola@google.com>
14721
14722         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
14723         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
14724         (extract_range_from_expr): The same.
14725
14726 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14727
14728         * config/mips/mips.md (GPR2): New mode iterator.
14729         (seq): Add comment.
14730         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
14731         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
14732         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
14733         Rewrite these to take two modes, the mode of comparison and the
14734         mode of the destination.
14735         * config/mips/mips.c (mips_expand_scc): Instead of having
14736         paradoxical subreg as destination, expand "narrowing" scc if mode
14737         of comparison is SI and target is requested in DI mode.
14738         (mips_emit_int_order_test): Update comment.  Make mode of
14739         comparison match CMP0 rather than TARGET.  When creating inverse
14740         target use mode of TARGET.
14741
14742 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14743
14744         * gcov-dump.c (tag_summary): Only print summaries for the first
14745         GCOV_COUNTERS_SUMMABLE counters.
14746
14747 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
14748
14749         * config/i386/i386.md (absneg): New code iterator.
14750         (absnegprefix): New code attribute.
14751         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
14752         patterns using absneg code iterator.
14753         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
14754         using absneg code iterator.
14755         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
14756         *neg<mode>2 patterns using absneg code iterator.
14757         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14758         *negextendsfdf2 patterns using absneg code iterator.
14759         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
14760         *negextendsfxf2 patterns using absneg code iterator.
14761         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14762         *negextendsfdf2 patterns using absneg code iterator.
14763         * config/i386/sse.md (<code><mode>2): Macroize expander from
14764         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
14765
14766 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
14767
14768         * config/s390/s390.h: Remove the remains of the recent search
14769         & replace action of current_function_outgoing_args_size.
14770
14771 2008-04-10  Ira Rosen  <irar@il.ibm.com>
14772
14773         PR tree-optimization/35821
14774         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
14775         NEW_STMT_LIST is not NULL.
14776
14777 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
14778
14779         PR libstdc++/35597
14780         * toplev.c (process_options): Remove -ffunction-sections debugging
14781         warning.
14782
14783 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
14784
14785         PR middle-end/PR28690
14786         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
14787         than gen_rtx_fmt_ee to perform more canonicalizations.
14788
14789 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14790
14791         PR driver/35665
14792         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
14793
14794 2008-04-09  Richard Guenther  <rguenther@suse.de>
14795
14796         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
14797         (dump_function_to_file): Dump function arguments with types.
14798
14799 2008-04-08  Richard Guenther  <rguenther@suse.de>
14800
14801         * fold-const.c (fold_widened_comparison): Do not allow
14802         sign-changes that change the result.
14803
14804 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
14805
14806         PR target/35839
14807         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
14808         kinds of indirect references.
14809
14810 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
14811
14812         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
14813         GNU Fortran language string.
14814
14815 2008-04-08  Rafael Espindola  <espindola@google.com>
14816
14817         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
14818         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
14819         * tree.h (tree_call_nonnegative_warnv_p): New.
14820
14821 2008-04-08  Jan Hubicka  <jh@suse.cz>
14822
14823         * function.c (free_after_compilation): Clear out regno_reg_rtx
14824         pointer.
14825
14826 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
14827
14828         Revert
14829         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14830
14831         PR middle-end/PR28690
14832         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
14833         same precedence as REG_POINTER and MEM_POINTER operands.
14834
14835 2008-04-08  Richard Guenther  <rguenther@suse.de>
14836
14837         PR middle-end/35834
14838         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
14839         for adding index to base.
14840
14841 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
14842
14843         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
14844         (MINGW_ENABLE_EXECUTE_STACK): New.
14845         (IN_LIBGCC2): For libgcc include windows.h file for
14846         function declarations.
14847
14848 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
14849
14850         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
14851         and tem2 if tem1 is not a REG or MULT.
14852
14853 2008-04-08  Jan Hubicka  <jh@suse.cz>
14854
14855         * function.h (incomming_args): Break out of struct function.
14856         (function_subsections): Break out of struct function.
14857         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
14858         return_rtx and hard_reg_initial_vals from struct function.
14859         Kill inl_max_label_num.
14860         (current_function_pops_args, current_function_args_info,
14861         current_function_args_size, current_function_args_size,
14862         current_function_pretend_args_size,
14863         current_function_outgoing_args_size,
14864         current_function_internal_arg_pointer, current_function_return_rtx):
14865         Kill compatibility accestor macros.
14866         * builtins.c (expand_builtin_apply_args_1): Update.
14867         (expand_builtin_next_arg): Update.
14868         * df-scan.c (df_get_call_refs): Update.
14869         * dbxout.c (dbxout_function_end): Update.
14870         * dwarf2out.c (dwarf2out_switch_text_section): Update.
14871         (output_line_info): Update.
14872         (secname_for_decl): Update.
14873         (dwarf2out_var_location): Update.
14874         * function.c (free_after_compilation): Update.
14875         (assign_parm_find_stack_rtl): Update.
14876         (assign_parms): Update.
14877         (expand_dummy_function_end): Update.
14878         (expand_function_end): Update.
14879         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
14880         (expand_call): Update.
14881         (emit_library_call_value_1): Update.
14882         (store_one_arg): Update.
14883         * varasm.c (initialize_cold_section_name): Update.
14884         (unlikely_text_section): Update.
14885         (unlikely_text_section_p): Update.
14886         (assemble_start_function): Update.
14887         (assemble_end_function): Update.
14888         (default_section_type_flags): Update.
14889         (switch_to_section): Update.
14890         * integrate.c (set_decl_abstract_flags): Update.
14891         (get_hard_reg_initial_val): Update.
14892         (has_hard_reg_initial_val): Update.
14893         (allocate_initial_values): Update.
14894         * resource.c (init_resource_info): Update.
14895         * config/alpha/alpha.c (NUM_ARGS): Update.
14896         (direct_return): Update.
14897         (alpha_va_start): Update.
14898         (alpha_sa_size): Update.
14899         (alpha_initial_elimination_offset): Update.
14900         (alpha_expand_prologue): Update.
14901         (alpha_start_function): Update.
14902         (alpha_expand_epilogue): Update.
14903         (unicosmk_initial_elimination_offset):
14904         * config/alpha/alpha.md (call expander): Update.
14905         * config/s390/s390.c (s390_register_info): Update.
14906         (s390_register_info): Update.
14907         (s390_frame_info): Update.
14908         (s390_initial_elimination_offset): Update.
14909         (s390_build_builtin_va_list): Update.
14910         (s390_va_start): Update.
14911         * config/spu/spu.c (direct_return): Update.
14912         (spu_expand_prologue): Update.
14913         (spu_initial_elimination_offset): Update.
14914         (spu_build_builtin_va_list): Update.
14915         (spu_va_start): Update.
14916         * config/sparc/sparc.c (sparc_init_modes): Update.
14917         (sparc_compute_frame_size): Update.
14918         (function_value): Update.
14919         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
14920         * config/i386/i386.md (return expander): Update.
14921         * config/i386/i386.c (ix86_va_start): Update.
14922         (ix86_can_use_return_insn_p): Update.
14923         (ix86_compute_frame_layout): Update.
14924         (ix86_expand_epilogue): Update.
14925         * config/sh/sh.c (output_stack_adjust): Update.
14926         (calc_live_regs): Update.
14927         (sh_expand_prologue): Update.
14928         (sh_builtin_saveregs): Update.
14929         (sh_va_start): Update.
14930         (initial_elimination_offset): Update.
14931         (sh_allocate_initial_value): Update.
14932         (sh_function_ok_for_sibcall): Update.
14933         (sh_get_pr_initial_val): Update.
14934         * config/sh/sh.md (return expander): Update.
14935         * config/avr/avr.c (frame_pointer_required_p): UPdate.
14936         * config/crx/crx.c (crx_compute_frame): UPdate.
14937         (crx_initial_elimination_offset): UPdate.
14938         * config/xtensa/xtensa.c (compute_frame_size): Update
14939         (xtensa_builtin_saveregs): Update.
14940         (xtensa_va_start): Update.
14941         (order_regs_for_local_alloc): Update.
14942         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
14943         (xstormy16_expand_builtin_va_start): Update.
14944         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
14945         * config/m68hc11/m68hc11.md (return expanders): Update.
14946         * config/m68hc11/m68hc11.c (expand_prologue): Update.
14947         (expand_epilogue): Update.
14948         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
14949         (cris_simple_epilogue): Update.
14950         (cris_expand_prologue): Update.
14951         (cris_expand_epilogue): Update.
14952         * config/iq2000/iq2000.c (iq2000_va_start): Update.
14953         (compute_frame_size): Update.
14954         * config/mt/mt.c (mt_compute_frame_size): Update.
14955         * config/mn10300/mn10300.c (expand_prologue): Update.
14956         (expand_epilogue): Update.
14957         (initial_offset): Update.
14958         (mn10300_builtin_saveregs):
14959         * config/mn10300/mn10300.md (return expander): Update.
14960         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
14961         (ia64_initial_elimination_offset): Update.
14962         (ia64_initial_elimination_offset): Update.
14963         (ia64_expand_prologue): Update.
14964         * config/m68k/m68k.md (return expander): Update.
14965         * config/rs6000/rs6000.c (rs6000_va_start): Update.
14966         (rs6000_stack_info): Update.
14967         * config/mcore/mcore.c (layout_mcore_frame): Update.
14968         (mcore_expand_prolog): Update.
14969         * config/arc/arc.c (arc_compute_frame_size): Update.
14970         * config/score/score3.c (score3_compute_frame_size): Update.
14971         * config/score/score7.c (score7_compute_frame_size): Update.
14972         * config/arm/arm.c (use_return_insn): Update.
14973         (thumb_find_work_register): Update.
14974         (arm_compute_save_reg_mask): Update.
14975         (arm_output_function_prologue): Update.
14976         (arm_output_epilogue): Update.
14977         (arm_size_return_regs): Update.
14978         (arm_get_frame_offsets): Update.
14979         (arm_expand_prologue): Update.
14980         (thumb_exit): Update.
14981         (thumb_unexpanded_epilogue): Update.
14982         (thumb1_output_function_prologue): Update.
14983         * config/pa/pa.md (return expander): Update.
14984         * config/pa/pa.c (compute_frame_size): Update.
14985         (hppa_builtin_saveregs): Update.
14986         * config/mips/mips.c (mips_va_start): Update.
14987         (mips16_build_function_stub): Update.
14988         (mips_compute_frame_info): Update.
14989         (mips_restore_gp): Update.
14990         (mips_output_function_prologue): Update.
14991         (mips_expand_prologue): Update.
14992         * config/v850/v850.c (compute_frame_size): Update.
14993         (expand_prologue): * config/mmix/mmix.c (along): update.
14994         (mmix_initial_elimination_offset): update.
14995         (mmix_reorg): update.
14996         (mmix_use_simple_return): update.
14997         (mmix_expand_prologue): update.
14998         (mmix_expand_epilogue): Update.
14999         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
15000         (emit_link_insn): Update.
15001
15002 2008-04-08  Anatoly Sokolov <aesok@post.ru>
15003
15004         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
15005         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
15006         instructions.
15007         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
15008         atmega103 device.
15009
15010 2008-04-07  Jan Hubicka  <jh@suse.cz>
15011
15012         * function.h (rtl): Rename to x_rtl.
15013         (crtl): New define.
15014         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
15015         frame_offset, stack_check_probe_note, arg_pointer_save_area,
15016         used_temp_slots avail_temp_slots, temp_slot_level,
15017         nonlocal_goto_handler_labels): Update accesstors.
15018         (rtl): New global variable.
15019         (struct function): Move some fileds to rtl_data.
15020         (get_arg_pointer_save_area): Update prototype.
15021         * builtins.c (expand_builtin_setjmp_receiver): Update call of
15022         get_arg_pointer_save_area.
15023         * expr.c (init_expr): Update
15024         * function.c (get_frame_size): Update
15025         (assign_stack_local): Update
15026         (expand_function_end): Update.
15027         (get_art_pointer_save_area): Update
15028         * function.h
15029         * emit-rtl.c (rtl): Declare.
15030         (regno_reg_rtx): Declare.
15031         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
15032         Update.
15033         (gen_reg_rtx): Update.
15034         * varasm.c (n_deferred_constatns): Update accestor.
15035         (init_varasm_status): Do not allocate varasm_status.
15036         (force_const_mem, get_pool_size, output_constant_pool): Update.
15037         * stmt.c (force_label_rtx): Do not use x_ prefixes.
15038         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
15039         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
15040         * sparc/sparc.h (INIT_EXPANDERS): Update.
15041         * ia64/ia64.h (INIT_EXPANDERS): Update.
15042
15043 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
15044
15045         * reload.c (push_secondary_reload): Add missing break to for loop.
15046
15047 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
15048
15049         PR middle-end/PR28690
15050         * rtlanal.c: Update copyright years.
15051         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
15052         as REG_POINTER and MEM_POINTER operands.
15053         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
15054         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
15055         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
15056         * gcse.c: Update copyright years.
15057         (pre_delete): Call gen_reg_rtx_and_attrs.
15058         (hoist_code): Likewise.
15059         (build_store_vectors): Likewise.
15060         (delete_store): Likewise.
15061         * loop-invariant.c (move_invariant_reg): Likewise.
15062         Update copyright years.
15063
15064 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
15065
15066         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
15067         control string instead of quoted.
15068
15069 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
15070
15071         * doc/rtl.texi: Rewrite of subreg section.
15072
15073 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
15074
15075         PR/35842
15076         * config/i386/i386.c (legitimize_pic_address): Add treating
15077         of dllimport SYM_REF's.
15078         (legitimize_dllimport_symbol): Add prototype.
15079
15080 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
15081
15082         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
15083         reference in constructor with non self-referential type.
15084
15085 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
15086
15087         Removal of Return with Depressed Stack Pointer support
15088         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
15089         (ECF_SP_DEPRESSED): Likewise.
15090         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
15091         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
15092         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
15093         (expand_call): Do not test ECF_SP_DEPRESSED.
15094         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
15095         * function.c (keep_stack_depressed): Delete.
15096         (handle_epilogue_set): Likewise.
15097         (update_epilogue_consts): Likewise.
15098         (emit_equiv_load): Likewise.
15099         (thread_prologue_and_epilogue_insns): Remove support for Return with
15100         Depressed Stack Pointer.
15101         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
15102
15103 2008-04-06  Richard Guenther  <rguenther@suse.de>
15104
15105         PR tree-optimization/35400
15106         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
15107         information from SSA_NAMEs.
15108
15109 2008-04-06  Anatoly Sokolov <aesok@post.ru>
15110
15111         * config/avr/avr.h (avr_mega_p): Remove declaration.
15112         (AVR_MEGA): Remove macro.
15113         * config/avr/avr.c (avr_mega_p): Remove variable.
15114         (avr_override_options): Remove inicializion of avr_mega_p.
15115         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
15116         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
15117         (avr_jump_mode): (Ditto.).
15118         (avr_output_progmem_section_asm_op): (Ditto.).
15119         (avr_asm_init_sections): (Ditto.).
15120         (avr_asm_init_sections): (Ditto.).
15121         (avr_rtx_costs): (Ditto.).
15122         * config/avr/avr.md: (Ditto.).
15123         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
15124         '__AVR_MEGA__'.
15125
15126 2008-04-06  Richard Guenther  <rguenther@suse.de>
15127
15128         PR tree-optimization/35842
15129         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
15130         is_gimple_invariant_address.
15131
15132 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
15133
15134         * gcc.c (default_compilers): Sync Fortran extensions list with
15135         that in fortran/lang-specs.h.
15136         * doc/invoke.texi: Likewise.
15137         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
15138         * dwarf2out.c (gen_compile_unit_die): Likewise.
15139
15140 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
15141
15142         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
15143
15144 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
15145
15146         PR target/12329
15147         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
15148         attribute is used for nested functions.
15149
15150 2008-04-05  Jan Hubicka  <jh@suse.cz>
15151
15152         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
15153
15154         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
15155         letter argument.
15156         (dump_files): Update.
15157         (enable_rtl_dump_file): Do not accept letter argument.
15158         * tree-pass.h (dump_file_info): Remove letter argument.
15159         * toplev.c (decode_d_option): Update -da handling.
15160         * toplev.h (enable_rtl_dump_file): Update prototype.
15161         * passes.c (register_one_dump_file): Do not accept IPA argument; work
15162         it out based on pass type.
15163         (register_dump_files_1): Likewise.
15164         (init_optimization_passes): Update register_one_dump_file calls.
15165         (execute_one_pass): Sanity check that IPA passes are called at IPA
15166         level and RTL passes at RTL level.
15167         (execute_pass_list): IPA pass can not be after or subpass of
15168         GIMPLE/RTL pass.
15169         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
15170         disallov RTL subpasses of IPA subpasses.
15171
15172 2008-04-05  Ben Elliston  <bje@au.ibm.com>
15173
15174         * tree-cfg.c (need_fake_edge_p): Return false for calls to
15175         builtins that return exactly once and do not throw. Cache call to
15176         call_expr_flags.
15177
15178 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
15179
15180         PR rtl-optimization/34916
15181         PR middle-end/35519
15182         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
15183         between instruction pairs.
15184
15185 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
15186
15187         * doc/invoke.texi: Document -mbitops for SH.
15188         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
15189         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
15190         * config/sh/sh.c (print_operand): Add %t operand code.
15191         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
15192         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
15193         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
15194         (extendqihi2): Likewise.
15195         (movqi_i): Likewise.
15196         (insv): Use bset, bclr and bst instructions for SH2A if possible.
15197         (extv): Use bld instruction for SH2A if possible.
15198         (extzv): Likewise.
15199         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
15200         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
15201         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
15202         (bset.b, bclr.b): Define peepholes.
15203         * config/sh/sh.opt (mbitops): New option.
15204
15205 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
15206
15207         PR target/35620
15208         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
15209         and view convert expression.
15210
15211 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
15212
15213         PR target/35364
15214         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
15215
15216 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
15217
15218         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
15219
15220         * config/i386/cpuid.h (bit_AES): New.
15221         (bit_PCLMUL): Likewise.
15222
15223         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
15224         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
15225         SSE2 if AES or PCLMUL is enabled.
15226         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
15227         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
15228         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
15229         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
15230         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
15231         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
15232         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
15233         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
15234         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
15235         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
15236         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
15237         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
15238         __builtin_ia32_aeskeygenassist128 and
15239         __builtin_ia32_pclmulqdq128.
15240         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
15241         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
15242         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
15243
15244         * config/i386/i386.h (TARGET_AES): New.
15245         (TARGET_PCLMUL): Likewise.
15246         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
15247
15248         * config/i386/i386.md (UNSPEC_AESENC): New.
15249         (UNSPEC_AESENCLAST): Likewise.
15250         (UNSPEC_AESDEC): Likewise.
15251         (UNSPEC_AESDECLAST): Likewise.
15252         (UNSPEC_AESIMC): Likewise.
15253         (UNSPEC_AESKEYGENASSIST): Likewise.
15254         (UNSPEC_PCLMUL): Likewise.
15255
15256         * config/i386/i386.opt (maes): New.
15257         (mpclmul): Likewise.
15258
15259         * config/i386/sse.md (aesenc): New pattern.
15260         (aesenclast): Likewise.
15261         (aesdec): Likewise.
15262         (aesdeclast): Likewise.
15263         (aesimc): Likewise.
15264         (aeskeygenassist): Likewise.
15265         (pclmulqdq): Likewise.
15266
15267         * config/i386/wmmintrin.h: New.
15268
15269         * doc/extend.texi: Document AES and PCLMUL built-in function.
15270
15271         * doc/invoke.texi: Document -maes and -mpclmul.
15272
15273 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
15274
15275         * function.c (free_after_parsing): Replace with
15276         cxx_push_function_context from C++ front-end.
15277         (allocate_struct_function): Don't call langhook.
15278         * langhooks.h (struct lang_hooks_for_functions): Delete.
15279         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
15280         member "function".
15281         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
15282         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
15283         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
15284         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
15285         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
15286         remove LANG_HOOKS_FUNCTION_INITIALIZER.
15287         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
15288
15289         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
15290         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
15291
15292 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
15293
15294         PR c/35440
15295         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
15296         for all types.
15297
15298 2008-04-04  Richard Guenther  <rguenther@suse.de>
15299
15300         PR middle-end/35823
15301         * fold-const.c (optimize_minmax_comparison): Use the correct
15302         type for the constant in the simplified comparison.
15303
15304 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
15305
15306         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
15307         Pass L2 size as "--param l2-cache-size" to the compiler.
15308         (decode_l2_cache): New function to decode L2 cache parameters using
15309         0x8000006 extended cpuid function.
15310         (detect_caches_amd): Determine parameters of L2 cache using
15311         decode_l2_caches function.
15312         (decode_caches_intel): Decode L2 cache parameters.
15313         (detect_caches_intel): Determine L2 cache parameters using
15314         decode_caches_intel and decode_l2_caches functions.
15315
15316 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
15317
15318         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
15319         secondary input reload for subword loads from the constant pool.
15320
15321 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
15322
15323         PR target/35713
15324         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
15325           constants of the appropriate size for runtime calculations.
15326
15327         PR c/35712
15328         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
15329           decimal-float literal constant zero.
15330
15331 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
15332
15333         PR c/35738
15334         * c-parser.c (c_parser_omp_atomic): Call
15335         default_function_array_conversion on the RHS.
15336
15337         PR middle-end/35818
15338         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
15339         call is_variable_sized if decl has incomplete type.
15340
15341 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
15342
15343         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
15344
15345 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
15346
15347         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
15348         iterators.
15349         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
15350         (sgt<u>): Merge sgt and sgtu into new expander.
15351         (sgt, sgtu): Remove expanders.
15352         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
15353         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
15354         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
15355         *sgtu_<mode>_mips16 into new pattern.
15356         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
15357         (sge<u>): Merge sge and sgeu into new expander.
15358         (sge, sgeu): Remove expanders.
15359         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
15360         new pattern.
15361         (*sge_<mode>, second *sge_<mode>): Remove patterns.
15362         (slt<u>): Merge slt and sltu into new expander.
15363         (slt, sltu): Remove expanders.
15364         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
15365         (*slt_<mode>, *sltu_<mode>): Remove patterns.
15366         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
15367         *sltu_<mode>_mips16 into new pattern.
15368         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
15369         (sle<u>): Merge sle and sleu into new expander.
15370         (sle, sleu): Remove expanders.
15371         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
15372         (*sle_<mode>, *sleu_<mode>): Remove patterns.
15373         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
15374         *sleu_<mode>_mips16 into new pattern.
15375         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
15376
15377 2008-04-03  Jan Hubicka  <jh@suse.cz>
15378
15379         PR tree-optimization/35795
15380         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
15381         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
15382         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
15383         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
15384         * score/score3.c (score3_output_mi_thunk): Likewise.
15385         * score/score7.c (score7_output_mi_thunk): Likewise.
15386         * mips/mips.c (mips_output_mi_thunk): Likewise.
15387
15388 2008-04-03  Richard Guenther  <rguenther@suse.de>
15389
15390         * tree-vrp.c (extract_range_from_unary_expr): Handle all
15391         conversions.  Simplify code.
15392
15393 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
15394
15395         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
15396
15397 2008-04-03  Tom Tromey  <tromey@redhat.com>
15398             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15399
15400         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
15401         * config/bfin/t-bfin-linux (generated_files): Add
15402         linux-sysroot-suffix.h.
15403         * doc/install.texi (Prerequisites): Require make 3.80.
15404         * doc/sourcebuild.texi (Front End Directory): Document new
15405         variable.
15406         * Makefile.in (generated_files): New variable.
15407         (ALL_HOST_OBJS): New variable.
15408         ($(ALL_HOST_OBJS)): New target.
15409
15410 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
15411
15412         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
15413         (remap_block): Call id->transform_lang_insert_block instead
15414         of langhook.
15415         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
15416         Set id.transform_lang_insert_block to NULL.
15417         (clone_body): Move to cp/optimize.c
15418         * tree-inline.h (struct copy_body_data): Change
15419         transform_lang_insert_block to function pointer.
15420         (copy_generic_body, copy_decl_no_change): Export.
15421         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
15422         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
15423         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
15424
15425         * c-tree.h (insert_block): Kill.
15426         * c-decl.c (insert_block): Kill.
15427
15428 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
15429
15430         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
15431         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
15432         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
15433         argument.
15434         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
15435         argument, call {push,pop}_function_context from here.
15436         * c-parser.c: Use c_{push,pop}_function_context.
15437
15438         * function.c (push_function_context_to): Move meat ...
15439         (push_function_context): ... here.  Simplify.
15440         * function.c (pop_function_context_from): Move meat ...
15441         (pop_function_context): ... here.  Simplify.
15442         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
15443         leave_nested).
15444         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
15445         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
15446         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
15447         * tree.h (push_function_context_to, pop_function_context_from): Remove.
15448
15449 2008-04-03  Ben Elliston  <bje@au.ibm.com>
15450
15451         * expmed.c (extract_force_align_mem_bit_field): Remove.
15452
15453 2008-04-03  Richard Guenther  <rguenther@suse.de>
15454
15455         PR middle-end/35800
15456         * expr.h (try_casesi): Adjust prototype.
15457         * expr.c (try_casesi): Take fallback label as extra parameter.
15458         Use that for gen_casesi if default_label is NULL.
15459         * stmt.c (expand_case): Pass fallback label to try_casesi,
15460         make sure to fill gaps with a fallback label if default_label
15461         is not present.
15462
15463 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
15464
15465         PR target/35801
15466         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
15467
15468 2008-04-03  Ben Elliston  <bje@au.ibm.com>
15469
15470         * expmed.c (extract_split_bit_field): Remove if (0) code.
15471         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
15472         (do_ds_constraint): Likewise.
15473
15474 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
15475
15476         * doc/cppopts.texi (-dU): Document.
15477         * c-common.h (flag_dump_macros): Update comment.
15478         * c-opts.c (handle_OPT_d): Handle -dU.
15479         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
15480         dump_queued_macros, cb_used_define, cb_used_undef): New.
15481         (init_pp_output): Handle -dU.
15482         (cb_line_change): Call dump_queued_macros.
15483         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
15484
15485 2008-04-02  Anatoly Sokolov <aesok@post.ru>
15486
15487         * config/avr/predicates.md (io_address_operand): New predicate.
15488         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
15489         * config/avr/avr.c (avr_io_address_p): Remove function.
15490         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
15491         'avr_io_address_p' function.
15492         (out_movhi_r_mr): (Ditto.).
15493         (out_movqi_mr_r): (Ditto.).
15494         (out_movhi_mr_r): (Ditto.).
15495         (avr_address_cost): (Ditto.).
15496
15497 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
15498
15499         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
15500         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
15501         in 32bit mode when XMM registers are available to avoid store
15502         forwarding stalls.
15503         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
15504         corresponding post-reload splitters.
15505
15506 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
15507
15508         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
15509         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
15510         __builtin_ia32_roundss.
15511         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
15512         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
15513         __builtin_ia32_roundss.
15514         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
15515         IX86_BUILTIN_SHUFPD here.
15516
15517 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
15518
15519         * config/i386/i386.md (plogic): New.
15520         (plogicprefix): Likewise.
15521
15522         * config/i386/mmx.md (mmx_<code><mode>3): New.
15523         (mmx_and<mode>3): Removed.
15524         (mmx_ior<mode>3): Likewise.
15525         (mmx_xor<mode>3): Likewise.
15526
15527         * config/i386/sse.md (<code><mode>3): New.
15528         (*<code><mode>3): Likewise.
15529         (*<code><mode>3): Likewise.
15530         (<code><mode>3): Likewise.
15531         (*sse_<code><mode>3): Likewise.
15532         (*sse2_<code><mode>3): Likewise.
15533         (<code>tf3): Likewise.
15534         (*<code>tf3): Likewise.
15535         (and<mode>3): Likewise.
15536         (*and<mode>3): Likewise.
15537         (ior<mode>3): Removed.
15538         (*ior<mode>3): Likewise.
15539         (xor<mode>3): Likewise.
15540         (*xor<mode>3): Likewise.
15541         (*and<mode>3): Likewise.
15542         (*ior<mode>3): Likewise.
15543         (*xor<mode>3): Likewise.
15544         (and<mode>3): Likewise.
15545         (*sse_and<mode>3): Likewise.
15546         (*sse2_and<mode>3): Likewise.
15547         (andtf3): Likewise.
15548         (*andtf3): Likewise.
15549         (ior<mode>3): Likewise.
15550         (*sse_ior<mode>3): Likewise.
15551         (*sse2_ior<mode>3): Likewise.
15552         (iortf3): Likewise.
15553         (*iortf3): Likewise.
15554         (xor<mode>3): Likewise.
15555         (*sse_xor<mode>3): Likewise.
15556         (*sse2_xor<mode>3): Likewise.
15557         (xortf3): Likewise.
15558         (*xortf3): Likewise.
15559
15560 2008-04-02  Richard Guenther  <rguenther@suse.de>
15561
15562         PR tree-optimization/14495
15563         PR tree-optimization/34793
15564         * tree-vrp.c (struct switch_update): New structure.
15565         (to_remove_edges, to_update_switch_stmts): New VECs.
15566         (simplify_switch_using_ranges): New function.  Remove not taken
15567         case labels and edges.
15568         (simplify_stmt_using_ranges): Call it.
15569         (identify_jump_threads): Mark edges we have queued for removal
15570         so we don't thread them.
15571         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
15572         case label vector.
15573         * tree-cfg.c (group_case_labels): Deal with missing default label.
15574         (tree_verify_flow_info): Allow missing default label.
15575         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
15576         (emit_case_nodes): Likewise.
15577         (expand_case): Do not rely on the default label to be present.
15578         * expr.c (try_casesi): Deal with NULL default_label.
15579         (do_tablejump): Likewise.
15580
15581 2008-04-02  Richard Guenther  <rguenther@suse.de>
15582
15583         PR tree-optimization/14495
15584         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
15585         SWITCH_EXPR here ...
15586         (vrp_visit_switch_stmt): ... but here (new function).
15587         (find_case_label_index): New helper function.
15588         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
15589
15590 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15591
15592         * fwprop.c: Fix ISO-C99ism.
15593
15594 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15595
15596         PR bootstrap/35752
15597         * Makefile.in (objdir): Set it here.
15598         * configure.ac: Not here.  Find dynamic linker characteristics.
15599         * exec-tool.in: Use them.
15600         * aclocal.m4: Regenerate.
15601         * configure: Regenerate.
15602
15603 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15604
15605         * expr.c (expand_var): Delete it.
15606         * expr.h (expand_var): Delete prototype.
15607         * function.c (expand_function_start): Use expand_decl instead.
15608         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
15609         langhook.
15610
15611 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
15612
15613         PR rtl-optimization/35542
15614         * fwprop.c (forward_propagate_and_simplify): Replace
15615         loc_reg_mentioned_in_p with reg_mentioned_p.
15616
15617 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15618
15619         PR rtl-optimization/35281
15620         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
15621         (propagate_rtx_1): Handle PR_HANDLE_MEM.
15622         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
15623         (varying_mem_p): Move above propagate_rtx.
15624         (all_uses_available_at): Do not check MEMs.
15625
15626 2008-04-02  Rafael Espindola  <espindola@google.com>
15627
15628         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
15629         (register_edge_assert_for_2): Split the cond argument.
15630         (register_edge_assert_for_1): Adjust for the change in
15631         register_edge_assert_for_2.
15632         (register_edge_assert_for): Split the cond argument.
15633         (find_switch_asserts): Adjust for the change in
15634         register_edge_assert_for.
15635
15636 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
15637
15638         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
15639         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
15640         offsets for 64-bit mingw.
15641         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
15642         abi for x86_64-pc-mingw.
15643
15644 2008-04-02  Richard Guenther  <rguenther@suse.de>
15645
15646         * tree-vrp.c (extract_range_from_assert): Make sure to not
15647         produce range min/max with TREE_OVERFOW set.
15648         If merging a anti-range and a range keep the anti-range if
15649         the range covers all values of the type.
15650         (register_edge_assert_for_2): Only allow sign-changing
15651         conversions in detecting canonical range checks.  Also
15652         register an assert for the unsigned name if useful.
15653
15654         PR tree-optimization/35787
15655         * tree-vrp.c (vrp_val_max): New function.
15656         (vrp_val_min): Likewise.
15657         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
15658         (vrp_val_is_min): Likewise.
15659         (supports_overflow_infinity): Use vrp_val_{min,max}.
15660         (negative_overflow_infinity): Likewise.
15661         (positive_overflow_infinity): Likewise.
15662         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
15663         (is_positive_overflow_infinity): Likewise.
15664         (is_overflow_infinity): Likewise.
15665         (avoid_overflow_infinity): Use vrp_val_{min,max} and
15666         vrp_val_is_{min,max}.
15667         (set_and_canonicalize_value_range): Canonicalize anti-ranges
15668         to ranges if possible.  Avoid empty ranges.
15669
15670 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15671
15672         PR middle-end/35705
15673         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
15674         the expression is a function address.
15675
15676 2008-04-01  George Helffrich  <george@gcc.gnu.org>
15677
15678         PR fortran/35154, fortran/23057
15679         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
15680         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
15681         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
15682         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
15683         in common.
15684         (dbxout_syms): Check for COMMON-based symbol and wrap in
15685         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
15686         in bracket for efficiency.
15687
15688         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
15689         using DW_TAG_common_block + member offset.
15690         (add_pubname_string): New function.
15691         (dw_expand_expr): New function to find block name and offset for
15692         COMMON var.
15693         (common_check): New function to check whether symbol in Fortran COMMON.
15694         (gen_variable_die): If COMMON, use DW_TAG_common_block.
15695
15696 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
15697
15698         PR c/35436
15699         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
15700
15701 2008-04-02  Ben Elliston  <bje@au.ibm.com>
15702
15703         * config/v850/v850.md (casesi): Remove if (0) code.
15704         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
15705         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
15706
15707 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
15708
15709         * config/i386/i386.md (rex64suffix): New mode attribute.
15710         (floathi<mode>2): Disable expander for SSE math.
15711         (*floathi<mode>2_1): New insn insn_and_split pattern.
15712         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
15713         corresponding post-reload splitters.
15714         (*floathi<mode>2_i387): New macroized insn pattern.
15715         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
15716         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
15717         insn_and_split pattern.
15718         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
15719         New macroized instruction patterns and corresponding post-reload
15720         splitters.
15721         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
15722         and corresponding post-reload splitters.
15723         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
15724         New macroized instruction patterns.
15725         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
15726         macroized instruction patterns and corresponding post-reload splitters.
15727         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
15728         corresponding post-reload splitters.
15729         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
15730         New macroized instruction patterns.
15731         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
15732         corresponding post-reload splitters.
15733         (*floatsi<mode>2_i387): New macroized instruction patterns.
15734
15735 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
15736
15737         * config/i386/i386.md (smaxmin): New.
15738         (umaxmin): Likewise.
15739         (maxminiprefix): Likewise.
15740         (maxminfprefix): Likewise.
15741         (<code><mode>3): Likewise.
15742         (smin<mode>3): Removed.
15743         (smax<mode>3): Likewise.
15744
15745         * config/i386/mmx.md (mmx_<code>v2sf3): New.
15746         (mmx_<code>v4hi3): Likewise.
15747         (mmx_<code>v8qi3): Likewise.
15748         (mmx_smaxv2sf3): Removed.
15749         (mmx_sminv2sf3): Likewise.
15750         (mmx_umaxv8qi3): Likewise.
15751         (mmx_smaxv4hi3): Likewise.
15752         (mmx_uminv8qi3): Likewise.
15753         (mmx_sminv4hi3): Likewise.
15754
15755         * config/i386/sse.md (<addsub><mode>3): New.
15756         (*<addsub><mode>3): Likewise.
15757         (<sse>_vm<addsub><mode>3): Likewise.
15758         (<maxmin><mode>3): Likewise.
15759         (*<maxmin><mode>3_finite): Likewise.
15760         (*<maxmin><mode>3): Likewise.
15761         (<sse>_vm<maxmin><mode>3): Likewise.
15762         (sse3_h<addsub>v4sf3): Likewise.
15763         (sse3_h<addsub>v2df3): Likewise.
15764         (<maxmin>v16qi3): Likewise.
15765         (*<maxmin>v16qi3): Likewise.
15766         (<maxmin>v8hi3): Likewise.
15767         (*<maxmin>v8hi3): Likewise.
15768         (*sse4_1_<maxmin><mode>3): Likewise.
15769         (*sse4_1_<maxmin><mode>3): Likewise.
15770         (add<mode>3): Removed.
15771         (*add<mode>3): Likewise.
15772         (<sse>_vmadd<mode>3): Likewise.
15773         (sub<mode>3): Likewise.
15774         (*sub<mode>3): Likewise.
15775         (<sse>_vmsub<mode>3): Likewise.
15776         (smin<mode>3): Likewise.
15777         (*smin<mode>3_finite): Likewise.
15778         (*smin<mode>3): Likewise.
15779         (<sse>_vmsmin<mode>3): Likewise.
15780         (smax<mode>3): Likewise.
15781         (*smax<mode>3_finite): Likewise.
15782         (*smax<mode>3): Likewise.
15783         (<sse>_vmsmax<mode>3): Likewise.
15784         (sse3_haddv4sf3): Likewise.
15785         (sse3_haddv2df3): Likewise.
15786         (sse3_hsubv4sf3): Likewise.
15787         (sse3_hsubv2df3): Likewise.
15788         (umaxv16qi3): Likewise.
15789         (*umaxv16qi3): Likewise.
15790         (smaxv8hi3): Likewise.
15791         (*smaxv8hi3): Likewise.
15792         (*sse4_1_smax<mode>3): Likewise.
15793         (*sse4_1_umax<mode>3): Likewise.
15794         (uminv16qi3): Likewise.
15795         (*uminv16qi3): Likewise.
15796         (sminv8hi3): Likewise.
15797         (*sminv8hi3): Likewise.
15798         (*sse4_1_smin<mode>3): Likewise.
15799         (*sse4_1_umin<mode>3): Likewise.
15800
15801 2008-04-01  Rafael Espindola  <espindola@google.com>
15802
15803         * tree-cfg.c (verify_expr): remove in_phi.
15804         (verify_stmt): Don't call walk_tree with verify_expr. Use
15805         is_gimple_min_invariant instead of is_gimple_val.
15806
15807 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
15808
15809         * doc/include/gpl_v3.texi: Update for manpage generation.
15810         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
15811         gpl.texi.
15812         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
15813         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
15814         gpl_v3.texi instead of gpl.texi.
15815         (gpl.pod): New.
15816
15817 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
15818
15819         PR pch/13675
15820         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
15821
15822 2008-04-01  Rafael Espindola  <espindola@google.com>
15823
15824         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
15825         (extract_code_and_val_from_cond): Use
15826         extract_code_and_val_from_cond_with_ops.
15827
15828 2008-04-01  Jan Hubicka  <jh@suse.cz>
15829
15830         * function.c (free_after_compilation): Free epilogue_delay_list.
15831         (prepare_function_start): Assert that previous compilation was freed.
15832
15833 2008-04-01  Jan Hubicka  <jh@suse.cz>
15834             Jim Wilson  <wilson@tuliptree.org>
15835             Andreas Tobler <andreast@gcc.gnu.org>
15836
15837         PR middle-end/35781
15838         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
15839         rtl.emit instead cfun->emit.
15840         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
15841         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
15842
15843 2008-04-01  Ben Elliston  <bje@au.ibm.com>
15844
15845         * doc/c-tree.texi (Function Basics): Fix grammatical error.
15846
15847 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
15848
15849         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
15850         New options
15851         (fprofile-use): Add var flag_profile_use
15852         * coverage.c (coverage_begin_output): Do not open a gcno file for
15853         output only if -ftest-coverage is set.
15854         Do not add getpwd() to gcda file path.
15855         (build_gcov_info): Check the new flag
15856         flag_profile_datafile_relative_path.
15857         (coverage_init): Use profile_data_prefix.
15858         Read profile counter only if flag_profile_use is set.
15859         * opts.c (common_handle_option): New option fprofile-use=,
15860         fprofile-dir=, fprofile-generate=.
15861         * toplev.c (profile_data_prefix): New variable definition.
15862         * toplev.h (profile_data_prefix): New declaration.
15863         * doc/invoke.tex (Option Summary, Optimization Options):
15864         Add new options.
15865
15866 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
15867
15868         * varasm.c (output_constant_pool_1): In LABEL_REF check,
15869         use tmp consistently.
15870
15871         PR target/35695
15872         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
15873         * config/ia64/ia64.c (rtx_needs_barrier): Handle
15874         UNSPEC_FR_RECIP_APPROX_RES.
15875         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
15876
15877 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
15878
15879         PR c/35750
15880         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
15881
15882 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15883
15884         PR middle-end/30186
15885         * fold-const.c (fold_indirect_ref_1): Support accessing non first
15886         element of the vector via a pointer.
15887
15888 2008-03-31  Ian Lance Taylor  <iant@google.com>
15889
15890         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
15891
15892 2008-03-31  Jan Hubicka  <jh@suse.cz>
15893
15894         * builtins.c (expand_builtin_setjmp_receiver): Update call of
15895         get_arg_pointer_save_area.
15896         * expr.c (init_expr): Just clear out rtl.expr.
15897         * function.c (free_after_compilation): Clear out whole RTL structure.
15898         (get_func_frame_size): Merge into ...
15899         (get_frame_size): ... this one.
15900         (assign_stack_local_1): Merge into ...
15901         (assign_stack_local): ... this one.
15902         (expand_function_end): Update call of get_arg_pointer_save_area.
15903         (get_art_pointer_save_area): Remove cfun argument.
15904         * function.h (emit_status): regno_pointer_align does not need length
15905         attribute. Move x_regno_reg_rtx to ...
15906         (regno_reg_rtx): ... new global array.
15907         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
15908         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
15909         apply_args_value, forced_labels, stack_pointer_delta):
15910         Update accestors.
15911         (struct varasm_status): Move here from varasm.c
15912         (struct rtl_data): New. Move here some fields from struct function.
15913         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
15914         frame_offset, stack_check_probe_note, arg_pointer_save_area,
15915         used_temp_slots avail_temp_slots, temp_slot_level,
15916         nonlocal_goto_handler_labels): Update accesstors.
15917         (rtl): New global variable.
15918         (struct function): Move some fileds to rtl_data.
15919         (get_arg_pointer_save_area): Update prototype.
15920         * emit-rtl.c (rtl): Declare.
15921         (regno_reg_rtx): Declare.
15922         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
15923         Update.
15924         (gen_reg_rtx): Update.
15925         (init_virtual_regs): Do not tate emit_status argument.
15926         (init_emit): Do not allocate emit.
15927         * varasm.c (varasm_statuc): Move to function.h.
15928         (n_deferred_constatns): Update accestor.
15929         (init_varasm_status): Do not allocate varasm_status.
15930         (force_const_mem, get_pool_size, output_constant_pool): Update.
15931         * stmt.c (force_label_rtx): Do not use x_ prefixes.
15932         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
15933
15934 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
15935
15936         PR rtl-optimization/35729
15937         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
15938         references.
15939
15940 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
15941
15942         PR target/32000
15943         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
15944         load/store if memory is unaligned.
15945         (*movti_rex64): Likewise.
15946
15947         * config/i386/predicates.md (misaligned_operand): New.
15948
15949 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
15950
15951         PR tree-opt/35431
15952         * tree-ssa-phiopt.c (conditional_replacement): Return early for
15953         complex types.
15954
15955 2008-03-31  Jan Beulich  <jbeulich@novell.com>
15956
15957         * config/ia64/constraints.md: Add 'j' constraint.
15958         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
15959         (movdi_internal): Likewise.
15960
15961 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
15962
15963         PR c/35748
15964         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
15965
15966 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
15967
15968         PR target/35757
15969         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
15970         proper error message for the third argument on blendpd and
15971         blendps.
15972
15973         * config/i386/sse.md (blendbits): New.
15974         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
15975
15976 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
15977
15978         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
15979
15980 2008-03-30  Richard Guenther  <rguenther@suse.de>
15981
15982         PR middle-end/31023
15983         * fold-const.c (fold_sign_changed_comparison): Do leave
15984         conversions to base-types alone.
15985
15986 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15987
15988         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
15989         the link register if one altivec register is be saved.
15990
15991 2008-03-30  Ben Elliston  <bje@au.ibm.com>
15992
15993         * final.c (final_scan_insn): Remove if (0) code.
15994
15995 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
15996
15997         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
15998
15999 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
16000
16001         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
16002         of V4SFmode to ix86_binary_operator_ok.
16003
16004 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
16005
16006         * config/i386/i386.c (override_options): Initialize
16007         ix86_veclib_handler to ix86_veclibabi_svml when
16008         -mveclibabi=svml is used.
16009         (ix86_veclibabi_svml): New function for SVML ABI style
16010         vectorization support.
16011         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
16012
16013 2008-03-28  Rafael Espindola  <espindola@google.com>
16014
16015         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
16016         (tree_binary_nonnegative_warnv_p): Make it public.
16017         (tree_single_nonnegative_warnv_p): Make it public.
16018         (tree_invalid_nonnegative_warnv_p): Make it public.
16019         (tree_unary_nonzero_warnv_p): Make it public.
16020         (tree_binary_nonzero_warnv_p): Make it public
16021         (tree_single_nonzero_warnv_p): Make it public.
16022         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
16023         (extract_range_from_binary_expr): Split the expr argument.
16024         (extract_range_from_unary_expr): Split the expr argument.
16025         (extract_range_from_comparison): Split the expr argument.
16026         (extract_range_from_expr): Use the new aux functions.
16027         (vrp_evaluate_conditional_warnv): Use
16028         vrp_evaluate_conditional_warnv_with_ops.
16029         * tree.h (tree_unary_nonzero_warnv_p): Declare.
16030         (tree_binary_nonzero_warnv_p): Declare.
16031         (tree_single_nonzero_warnv_p): Declare.
16032         (tree_expr_nonzero_warnv_p): Declare.
16033         (tree_unary_nonnegative_warnv_p): Declare.
16034         (tree_binary_nonnegative_warnv_p): Declare.
16035         (tree_single_nonnegative_warnv_p): Declare.
16036         (tree_invalid_nonnegative_warnv_p): Declare.
16037
16038 2008-03-28  Richard Guenther  <rguenther@suse.de>
16039
16040         PR tree-optimization/30317
16041         PR tree-optimization/30911
16042         PR tree-optimization/34793
16043         * tree-vrp.c (set_and_canonicalize_value_range): New function.
16044         (struct assert_locus_d): New member EXPR.
16045         (register_new_assert_for): Add EXPR parameter to support
16046         ASSERT_EXPR <name, expr OP limit>.
16047         (register_edge_assert_for_1): Adjust callers.
16048         (find_assert_locations): Likewise.
16049         (process_assert_insertions_for): Build condition from expression.
16050         (extract_range_from_assert): Handle ASSERT_EXPRs
16051         of the form ASSERT_EXPR <name, expr OP limit>.
16052         (register_edge_assert_for_2): New helper registering
16053         asserts for comparisons.  Recognize range tests of the form
16054         (unsigned)i - CST1 OP CST2.
16055         (register_edge_assert_for_1): Use it.
16056         (register_edge_assert_for): Likewise.
16057         (needs_overflow_infinity): Integer sub-types
16058         do not need overflow infinities.
16059         (vrp_val_is_max): The extreme values of integer sub-types
16060         are those of the base type.
16061         (vrp_val_is_min): Likewise.
16062         * tree.def (ASSERT_EXPR): Document extra allowed conditional
16063         expressions.
16064
16065 2008-03-28  Nick Clifton  <nickc@redhat.com>
16066
16067         PR target/31110
16068         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
16069         Return GENERAL_REGS for stack adjustment reloads.
16070
16071 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16072
16073         PR target/31334
16074         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
16075         const_vector when all the vectors are constant.
16076
16077 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
16078
16079         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
16080         comparisons.
16081         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
16082         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
16083         (scc_sf): New.
16084         (s<code>_sf): Use new scc_sf attribute for opcode names.
16085
16086 2008-03-27  Tom Tromey  <tromey@redhat.com>
16087
16088         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
16089         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
16090         config/spu/t-spu-elf, config/i386/t-interix,
16091         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
16092         config/i386/x-darwin, config/i386/x-mingw32,
16093         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
16094         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
16095         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
16096         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
16097         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
16098         config/rs6000/x-darwin, config/rs6000/t-rs6000,
16099         config/score/t-score-elf, config/arm/t-strongarm-pe,
16100         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
16101         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
16102         Revert automatic dependency patch.
16103
16104 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
16105
16106         PR target/35657
16107         * config/i386/i386.c (ix86_function_arg_boundary): Align
16108         decimal floating point to its natural boundary.
16109
16110 2008-03-27  Richard Guenther  <rguenther@suse.de>
16111
16112         PR middle-end/35716
16113         * fold-const.c (fold_comparison): Restrict distinct decl
16114         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
16115         solely rely on operand_equal_p.
16116
16117 2008-03-27  Richard Guenther  <rguenther@suse.de>
16118
16119         PR c/32511
16120         * c-common.c (handle_weak_attribute): Reject combination of
16121         weak and inline.
16122
16123 2008-03-27  Richard Guenther  <rguenther@suse.de>
16124
16125         PR tree-optimization/32810
16126         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
16127         conversions from DECL_INITIAL.
16128         (fold_const_aggregate_ref): Likewise from constructor elements.
16129
16130 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
16131
16132         * tree-affine.h (aff_combination_expand): Declare.
16133         (get_inner_reference_aff): Likewise.
16134         * tree-affine.c (aff_combination_expand): Split out from
16135         tree_to_aff_combination_expand.
16136         (get_inner_reference_aff): New function.
16137         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
16138         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
16139         (struct lim_aux_data): sm_done field removed.
16140         (mem_ref_loc_p, mem_ref_locs_p): New types.
16141         (struct mem_ref): Added id, stored, accesses_in_loop,
16142         indep_loop, dep_loop, indep_ref, dep_ref fields.
16143         Removed is_stored, locs and next fields.
16144         (memory_accesses): New variable.
16145         (movement_possibility): Do not allow moving statements
16146         that store to memory.
16147         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
16148         New functions.
16149         (determine_max_movement): For statements with memory references,
16150         find the outermost loop in that the reference is independent.
16151         (move_computations_stmt): Mark the virtual operands for renaming.
16152         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
16153         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
16154         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
16155         add_vop_ref_mapping, create_vop_ref_mapping_loop,
16156         create_vop_ref_mapping, analyze_memory_references,
16157         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
16158         get_all_locs_in_loop, ref_always_accessed_p,
16159         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
16160         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
16161         store_motion_loop, store_motion): New functions.
16162         (struct vop_to_refs_elt): New type.
16163         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
16164         memref_hash, memref_eq, hoist_memory_references): Rewritten.
16165         (schedule_sm): Replaced by...
16166         (execute_sm): ... this.
16167         (determine_lsm_ref, hoist_memory_references,
16168         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
16169         find_more_ref_vops, free_mem_ref, free_mem_refs,
16170         determine_lsm_loop, determine_lsm): Removed.
16171         (tree_ssa_lim_finalize): Free data structures used by store motion.
16172         (tree_ssa_lim): Call analyze_memory_references.  Use
16173         store_motion instead of determine_lsm.
16174
16175 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
16176
16177         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
16178         rename tmake_file to m68hc11/t-m68hc11.
16179         (mcore): Set inhibit_libc to true.
16180         * config.host (alpha*-dec-*vms*): Set extra_programs.
16181         (interix3*): Don't use host_xmake_file.
16182         * configure.ac: Let config.gcc override inhibit_libc.
16183         * configure: Regenerate.
16184
16185         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
16186         * config/t-openbsd-thread: Remove commented out lines.
16187
16188         * config/x-interix: Remove.
16189
16190         * config/m68hc11/t-m68hc11-gas: Rename to...
16191         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
16192
16193         * config/mcore/t-mcore: Remove T_CFLAGS.
16194         * config/mcore/t-mcore-pe: Likewise.
16195
16196 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
16197
16198         * configure.ac: Replace custom __GNU_SOURCE test with
16199         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
16200         * aclocal.m4: Regenerate.
16201         * configure: Regenerate.
16202         * config.in: Regenerate.
16203
16204 2008-03-27  Richard Guenther  <rguenther@suse.de>
16205
16206         * fold-const.c (target.h): Include.
16207         (fold_comparison): Fold comparison of addresses of decls
16208         that bind locally or of constants.  Consolidate address folding code.
16209         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
16210         results from fold_binary_to_constant.
16211         (compare_values_warnv): Likewise.
16212
16213 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
16214
16215         PR middle-end/35429
16216         * fold-const.c (fold_truthop): Check for integeral types when folding
16217         a == 0 && b == 0 and a != 0 || b != 0 .
16218
16219 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
16220
16221         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
16222
16223 2008-03-26  Andreas Schwab  <schwab@suse.de>
16224
16225         * doc/invoke.texi: Fix use of @item vs. @itemx.
16226
16227 2008-03-26  Tom Tromey  <tromey@redhat.com>
16228
16229         * Makefile.in (build/gensupport.o, build/print-rtl.o,
16230         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
16231         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
16232         build/gencodes.o, build/genconditions.o, build/genconfig.o,
16233         build/genconstants.o, build/genemit.o, build/genextract.o,
16234         build/genflags.o, build/genmddeps.o, build/genopinit.o,
16235         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
16236         options.h.
16237
16238 2008-03-26  Richard Guenther  <rguenther@suse.de>
16239
16240         Revert
16241         2008-03-26  Richard Guenther  <rguenther@suse.de>
16242
16243         * fold-const.c (target.h): Include.
16244         (fold_comparison): Fold comparison of addresses of two decls
16245         that bind locally.  Consolidate address folding code.
16246
16247 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16248
16249         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
16250         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
16251         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
16252         dconstsqrt2, dconstthird, dconste and/or dconst10.
16253         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
16254         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
16255         dconstsqrt2, dconste): Delete.
16256         (init_emit_once): Likewise.  Simplify initializing dconstm1.
16257         Constify variable.
16258         * real.c (get_real_const): New.
16259         * real.h (dconst3, dconst10, dconstm2, dconstthird,
16260         dconstsqrt2, dconste): Delete.
16261         (real_value_const, get_real_const): New.
16262
16263 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
16264
16265         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
16266
16267         * config/i386/i386.c (ix86_function_arg_boundary): Check
16268         BIGGEST_ALIGNMENT instead of 128.
16269         (setup_incoming_varargs_64): Likewise.
16270
16271 2008-03-26  Tom Tromey  <tromey@redhat.com>
16272
16273         * Makefile.in (DEPFILES): Add missing '/'.
16274
16275 2008-03-26  Richard Guenther  <rguenther@suse.de>
16276
16277         * fold-const.c (target.h): Include.
16278         (fold_comparison): Fold comparison of addresses of two decls
16279         that bind locally.  Consolidate address folding code.
16280
16281 2008-03-26  Nick Clifton  <nickc@redhat.com>
16282
16283         PR target/31232
16284         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
16285         not allow INT+INT as a legitimate addressing mode.
16286
16287 2008-03-26  Richard Guenther  <rguenther@suse.de>
16288
16289         * tree-flow.h (widen_bitfield): Remove declaration.
16290         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
16291         (widen_bitfield): Remove function.
16292         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
16293         code.
16294
16295 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16296
16297         PR target/31558
16298         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
16299         error_mark_node's.
16300
16301 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
16302
16303         PR rtl-optimization/35232
16304         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
16305         (forget_old_reloads_1, forget_marked_reloads): Don't clear
16306         reg_reloaded_call_part_clobbered here.
16307         (reload_regs_reach_end_p): New function.
16308         (reload_reg_rtx_for_input): New variable.
16309         (reload_reg_rtx_for_output): Likewise.
16310         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
16311         when reassigning a pseudo register.  Load reloadreg from
16312         reload_reg_rtx_for_input, moving the mode and register
16313         calculation to...
16314         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
16315         instead of the original when deciding whether an input reload
16316         would be a no-op or whether an output reload can be deleted.
16317         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
16318         when setting up new_spill_reg_store.  Load it from
16319         reload_reg_rtx_for_output, moving the mode and register
16320         calculation to...
16321         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
16322         instead of the original when deciding whether an output reload
16323         would be a no-op.  Do the same when modifying insn notes.
16324         Use rtx_equal_p instead of == to compare the registers.
16325         (inherit_piecemeal_p): Take a mode and two register numbers
16326         as argument.
16327         (emit_reload_insns): Clear new_spill_reg_store for every hard
16328         register in the reload register.  Remove spill registers
16329         from reg_reloaded_valid before considering whether to record
16330         inheritance information for them.  Use reload_reg_rtx_for_output
16331         instead of reg_rtx when recording output reloads.  Use
16332         reload_reg_rtx_for_input instead of reg_rtx when recording
16333         input reloads.  Set or clear reg_reloaded_call_part_clobbered
16334         at the same time as setting reg_reloaded_valid.
16335         (delete_output_reload): Add a new_reload_reg parameter and use it
16336         instead of rld[j].reg_rtx.
16337         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
16338         calls accordingly.
16339
16340 2008-03-25  Tom Tromey  <tromey@redhat.com>
16341
16342         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
16343         (build/genattr.o): Likewise.
16344         (build/genattrtab.o): Likewise.
16345         (build/gencodes.o): Likewise.
16346         (build/genconfig.o): Likewise.
16347         (build/genconstants.o): Likewise.
16348         (build/genemit.o): Likewise.
16349         (build/genextract.o): Likewise.
16350         (build/genflags.o): Likewise.
16351
16352 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
16353
16354         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
16355         instead of size_int for integer types.
16356         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
16357         to match type of MINUS_EXPR.
16358
16359 2008-03-25  Tom Tromey  <tromey@redhat.com>
16360
16361         * configure: Rebuilt.
16362         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
16363         Makefile.
16364
16365 2008-03-25  Tom Tromey  <tromey@redhat.com>
16366
16367         * config/x-solaris (host-solaris.o): Update.
16368         * config/x-linux (host-linux.o): Update.
16369         * config/x-hpux (host-hpux.o): Update.
16370         * config/x-darwin (host-darwin.o): Update.
16371         * config/v850/t-v850e (v850-c.o): Update.
16372         * config/v850/t-v850 (v850-c.o): Update.
16373         * config/t-vxworks (vxworks.o): Update.
16374         * config/t-sol2 (sol2-c.o, sol2.o): Update.
16375         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
16376         * config/spu/t-spu-elf (spu-c.o): Update.
16377         (spu.o): Remove.
16378         * config/sh/t-symbian (sh-c.o): Update.
16379         (symbian.o): Update.
16380         * config/sh/t-sh (sh-c.o): Update.
16381         * config/score/t-score-elf (score7.o, score3.o): Update.
16382         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
16383         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
16384         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
16385         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
16386         (rs6000.o): Remove.
16387         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
16388         * config/m32c/t-m32c (m32c-pragma.o): Update.
16389         * config/ia64/t-ia64 (ia64-c.o): Update.
16390         * config/i386/x-mingw32 (host-mingw32.o): Update.
16391         * config/i386/x-i386 (driver-i386.o): Update.
16392         * config/i386/x-darwin (host-i386-darwin.o): Update.
16393         * config/i386/x-cygwin (host-cygwin.o): Update.
16394         * config/i386/t-nwld (nwld.o): Update.
16395         * config/i386/t-netware (netware.o): Update.
16396         * config/i386/t-interix (winnt.o): Update.
16397         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
16398         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
16399         msformat-c.o): Update.
16400         * config/bfin/t-bfin-linux (generated_files): Add
16401         linux-sysroot-suffix.h.
16402         * config/arm/t-wince-pe (pe.o): Update.
16403         * config/arm/t-strongarm-pe (pe.o): Update.
16404         * config/arm/t-pe (pe.o): Update.
16405         * config/arm/t-arm (arm-c.o): Update.
16406         * doc/install.texi (Prerequisites): Require make 3.80.
16407         * Makefile.in: Remove .o targets.
16408         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
16409         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
16410         (simple_generated_h, simple_generated_c): Move earlier.
16411         (generated_files): New variable.
16412         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
16413         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
16414         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
16415         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
16416         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
16417         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
16418         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
16419         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
16420         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
16421         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
16422         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
16423         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
16424         (.c.o): Remove.
16425         (COMPILE.base, COMPILE): New variables.
16426         (%.o): New pattern rule.
16427         (ALL_HOST_OBJS): New variable.
16428         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
16429         (dummy-checksum.o, cc1-checksum.o): Remove.
16430         (DRIVER_SHLIB): New variable.
16431         (DRIVER_DEFINES): Use it.
16432         (gencondmd.c): Move out of build/.
16433         (s-conditions): Update.
16434         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
16435         (ALL_BUILD_OBJS): Likewise.
16436         (build/%.o): Use BUILDCOMPILE.
16437         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
16438         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
16439         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
16440         build/gencheck.o, build/gencodes.o, build/genconditions.o,
16441         build/genconfig.o, build/genconstants.o, build/genemit.o,
16442         build/genextract.o, build/genflags.o, build/genmddeps.o,
16443         build/genopinit.o, build/genoutput.o, build/genpeep.o,
16444         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
16445         build/gen-protos.o, build/scan.o, build/fix-header.o,
16446         build/scan-decls.o): Simplify.
16447         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
16448         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
16449         prefix.o, toplev.o): Reduce to variable setting.
16450         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
16451         ($(out_object_file), gcc-options.o): New targets.
16452         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
16453         * configure: Rebuilt.
16454         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
16455         * doc/sourcebuild.texi (Front End Directory): Document new variable.
16456
16457 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
16458
16459         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
16460         complain when we hit an error, return ERROR_MARK_NODE.
16461
16462 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16463
16464         * config/sh/constraints.md (Pso, Psz): New constraints.
16465         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
16466         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
16467
16468 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16469
16470         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
16471         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
16472
16473 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
16474
16475         * config/sh/sh.md (prefetch): Add condition for SH2A target.
16476         (prefetch_sh2a): New.
16477
16478 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
16479             Naveen.H.S  <naveen.hs@kpitcummins.com>
16480
16481         * config/sh/constraints.md (I28): New constraint.
16482         * config/sh/sh.c (broken_move): Add support for movi20s.
16483         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
16484
16485 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
16486             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
16487             Naveen.H.S  <naveen.hs@kpitcummins.com>
16488
16489         * config/sh/sh.c (SH_ATTRIBUTES): Define.
16490         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
16491         (print_operand): Handle resbank in %@ operand code.
16492         (sh_encode_section_info): New.
16493         (push_regs): Add conditions for resbank.
16494         (sh_expand_epilogue): Likewise.
16495         (sh_insert_attributes): Likewise.
16496         (sh_attribute_table): Likewise.
16497         (sh_handle_resbank_handler_attribute): New.
16498         (sh2a_handle_function_vector_handler_attribute): New.
16499         (sh2a_is_function_vector_call): New.
16500         (sh2a_get_function_vector_number): New.
16501         (sh2a_function_vector_p): New.
16502         (sh_cfun_resbank_handler_p): New.
16503         * config/sh/sh.md (calli): Emit jsr/n if possible.
16504         (calli_tbr_rel): New.
16505         (calli_pcrel): Emit jsr/n if possible.
16506         (return_i): Emit rts/n if possible.
16507         (call_valuei_tbr_rel): New.
16508         (call_valuei_pcrel): Add condition for SH2A target.
16509         (call_value): Likewise.
16510         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
16511         (sh2a_get_function_vector_number): Likewise.
16512         (sh2a_is_function_vector_call): Likewise.
16513         * doc/extend.texi: Document TBR relative addressing of SH2A.
16514         (resbank): Add description for SH2A.
16515
16516 2008-03-24  Richard Guenther  <rguenther@suse.de>
16517
16518         PR c/22371
16519         * gimplify.c (gimplify_modify_expr): For frontend type-correct
16520         pointer assignments change conversions according to middle-end rules.
16521         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
16522         * configure.ac: Include type checking in yes.
16523         * configure: Regenerate.
16524
16525 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
16526
16527         * diagnostic.c (diagnostic_count_diagnostic): Delete.
16528         (diagnostic_report_diagnostic): Update. Handle ICEs here.
16529
16530 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
16531
16532         * gthr-vxworks.h (UNUSED): Define.
16533
16534 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
16535
16536         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
16537
16538 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
16539
16540         * doc/extend.texi (Function Attributes): Add missing comma in the
16541         example of the "alloc_size" attribute.
16542
16543 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
16544
16545         Revert:
16546         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
16547
16548         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
16549         32bit host.
16550
16551         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
16552
16553         PR target/35496
16554         * stor-layout.c (update_alignment_for_field): Set minimum alignment
16555         of the underlying type of a MS bitfield layout to the natural
16556         alignment of the type.
16557
16558         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
16559
16560         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
16561         to their natural alignment to avoid store forwarding stalls.
16562
16563 2008-03-22  Richard Guenther  <rguenther@suse.de>
16564
16565         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
16566         For PHI nodes verify the address is invariant.
16567         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
16568         (get_symbol_constant_value): Use is_gimple_min_invariant.
16569         (maybe_fold_stmt_indirect): Likewise.
16570
16571 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
16572
16573         PR rtl-optimization/33927
16574         * Makefile.in (dse.o): Depend on $(TM_P_H).
16575         * expr.h (extract_low_bits): Declare.
16576         * expmed.c (extract_low_bits): New function.
16577         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
16578         * dse.c: Include tm_p.h.
16579         (find_shift_sequence): Remove the read_reg argument and return the
16580         read value.  Emit the instructions instead of returning them.
16581         Iterate on new_mode rather than calculating it each time.
16582         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
16583         source to NEW_MODE and extract_low_bits to convert the shifted
16584         value to READ_MODE.
16585         (replace_read): Allow the load and store to have different mode
16586         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
16587         or extraction instructions before trying the replacement.  Update
16588         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
16589
16590 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
16591
16592         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
16593         to their natural alignment to avoid store forwarding stalls.
16594
16595 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16596
16597         PR target/27946
16598         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
16599         encouraging but not allowing gprs for input;
16600         change the input constraint to !f#r.
16601         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
16602         gprs for output;
16603         change the output constraint to !f#r.
16604
16605 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
16606
16607         PR target/13958
16608         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
16609         corresponding post-reload splitters.
16610         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
16611         when x87 FP math is selected.
16612         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
16613         New function prototype.
16614         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
16615         unreachable function to ease macroization of insn patterns.
16616
16617 2008-03-21  Martin Jambor  <mjambor@suse.cz>
16618
16619         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
16620         reference dumps if ddr is NULL or dependence is unknown.
16621
16622 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16623
16624         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
16625         unsigned extension into account.
16626         (ATOMIC_COMPARE_AND_SWAP): Likewise.
16627         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
16628         Do computations on a scratch register.
16629
16630 2008-03-21  Richard Guenther  <rguenther@suse.de>
16631
16632         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
16633         Use is_gimple_min_invariant instead of TREE_INVARIANT.
16634         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
16635         * tree-ssa-dom.c (record_equality): Likewise.
16636         * tree-inline.c (copy_body_r): Likewise.
16637         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
16638         TREE_INVARIANT.
16639
16640 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16641
16642         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
16643         as 'delete_unused' argument.
16644
16645 2008-03-20  Richard Guenther  <rguenther@suse.de>
16646
16647         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
16648         special casing of constant qualifiers.
16649         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
16650         care about them in general.
16651         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
16652         regardless of their type.
16653         (fold_stmt_r): Forcefully fold *& if we end up with that.
16654
16655 2008-03-20  Paul Brook  <paul@codesourcery.com>
16656
16657         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
16658         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
16659         linker flags.
16660         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
16661         definition.
16662         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
16663         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
16664
16665 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
16666
16667         * common.opt (Wmudflap): New option.
16668         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
16669         (mx_register_decls): Likewise.
16670         (mudflap_finish_file): Likewise.
16671         * doc/invoke.texi: Document -Wno-mudflap.
16672
16673 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
16674
16675         * c-format.c (replace_format_name_to_system_name): New.
16676         (cmp_attribs): New.
16677         (convert_format_name_to_system_name): New.
16678         (decode_format_attr): Add use of convert_format_name_to_system_name.
16679         (format_types_orig): Add gnu_ prefix to names.
16680         (check_format_info_main): Special treating of \0 escaped names for
16681         supporting multi-character format specifiers as I32, I64.
16682         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
16683         (gnu_target_overrides_format_attributes): New.
16684         * c-format.h: Add structure target_ovr_attr to hold
16685         system specific formatter names.
16686         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
16687         msformat-c.o file to c_target_objs and cxx_target_objs.
16688         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16689         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
16690         (TARGET_N_FORMAT_TYPES): New.
16691         * config/i386/msformat-c.c: New.
16692         * config/i386/t-cygming: Add build rule for msformat-c.o.
16693         * doc/extend.texi: Add new format names gnu_* and ms_* and
16694         further details.
16695         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16696
16697 2008-03-20  Ira Rosen  <irar@il.ibm.com>
16698
16699         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
16700         optimizations turned on under -O3.
16701         (ftree-vectorize): Add that the flag is turned on with -O3.
16702
16703 2008-03-20  Ben Elliston  <bje@au.ibm.com>
16704
16705         * regmove.c (try_auto_increment): Fix spelling error in comment.
16706         * final.c (final_scan_insn): Likewise.
16707
16708 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
16709
16710         PR target/14552
16711         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
16712         allocator preferences for "y" and "r" class registers.
16713         ("*mov<mode>_internal"): Ditto.
16714         ("*movv2sf_internal_rex64"): Ditto.
16715         ("*movv2sf_internal"): Ditto.
16716
16717 2008-03-19  Michael Matz  <matz@suse.de>
16718
16719         PR middle-end/35616
16720         * calls.c (expand_call): Check overlap of arguments with call
16721         address for sibcalls.
16722
16723 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
16724
16725         PR target/35496
16726         * stor-layout.c (update_alignment_for_field): Set minimum alignment
16727         of the underlying type of a MS bitfield layout to the natural
16728         alignment of the type.
16729
16730 2008-03-19  Jan Hubicka  <jh@suse.cz>
16731
16732         PR other/35094
16733         * toplev.c (decode_d_option): Handle all CPP flags.
16734         * tree-vrp.c: Update tree_pass descriptors.
16735         * regrename.c: Update tree_pass descriptors.
16736         * fwprop.c: Update tree_pass descriptors.
16737         * doc/invoke.texi: Remove documentation of dropped -d? flags.
16738         * tree-into-ssa.c: Update tree_pass descriptors.
16739         * tree-dump.c: Update tree_pass descriptors.
16740         * tree-complex.c: Update tree_pass descriptors.
16741         * tree-dump.h: Update tree_pass descriptors.
16742         * see.c: Update tree_pass descriptors.
16743         * cgraphbuild.c: Update tree_pass descriptors.
16744         * tracer.c: Update tree_pass descriptors.
16745         * tree-loop-distribution.c: Update tree_pass descriptors.
16746         * cgraph.c: Update tree_pass descriptors.
16747         * postreload-gcse.c: Update tree_pass descriptors.
16748         * postreload.c: Update tree_pass descriptors.
16749         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
16750         * tree-tailcall.c: Update tree_pass descriptors.
16751         * tree-pass.h (tree_opt_pass): Rename to ...
16752         (opt_pass) ... this one; add "type" field and remove letter field.
16753         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
16754         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
16755         all_lowering_passes): Update declaration.
16756         * ipa-cp.c: Update tree_pass descriptors.
16757         * final.c: Update tree_pass descriptors.
16758         * omp-low.c: Update tree_pass descriptors.
16759         * tree-ssa-dse.c: Update tree_pass descriptors.
16760         * ipa-reference.c: Update tree_pass descriptors.
16761         * tree-ssa-uncprop.c: Update tree_pass descriptors.
16762         * auto-inc-dec.c: Update tree_pass descriptors.
16763         * reorg.c: Update tree_pass descriptors.
16764         * cgraphunit.c: Update tree_pass descriptors.
16765         * tree-ssa-copyrename.c: Update tree_pass descriptors.
16766         * tree-ssa-ccp.c: Update tree_pass descriptors.
16767         * df-core.c: Update tree_pass descriptors.
16768         * mode-switching.c: Update tree_pass descriptors.
16769         * tree-nomudflap.c: Update tree_pass descriptors.
16770         * modulo-sched.c: Update tree_pass descriptors.
16771         * ipa-pure-const.c: Update tree_pass descriptors.
16772         * cse.c: Update tree_pass descriptors.
16773         * web.c: Update tree_pass descriptors.
16774         * tree-stdarg.c: Update tree_pass descriptors.
16775         * tree-ssa-math-opts.c: Update tree_pass descriptors.
16776         * tree-ssa-dom.c: Update tree_pass descriptors.
16777         * tree-nrv.c: Update tree_pass descriptors.
16778         * tree-ssa-alias.c: Update tree_pass descriptors.
16779         * loop-init.c: Update tree_pass descriptors.
16780         * gimple-low.c: Update tree_pass descriptors.
16781         * ipa-inline.c: Update tree_pass descriptors.
16782         * tree-ssa-sink.c: Update tree_pass descriptors.
16783         * global.c: Update tree_pass descriptors.
16784         * ifcvt.c: Update tree_pass descriptors.
16785         * jump.c: Update tree_pass descriptors.
16786         * predict.c: Update tree_pass descriptors.
16787         * tree-ssa-loop.c: Update tree_pass descriptors.
16788         * recog.c: Update tree_pass descriptors.
16789         * dse.c: Update tree_pass descriptors.
16790         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
16791         * tree-eh.c: Update tree_pass descriptors.
16792         * regmove.c: Update tree_pass descriptors.
16793         * local-alloc.c
16794         * function.c: Update tree_pass descriptors.
16795         * tree-vectorizer.c: Update tree_pass descriptors.
16796         * gcse.c: Update tree_pass descriptors.
16797         * ipa-type-escape.c: Update tree_pass descriptors.
16798         * tree-if-conv.c: Update tree_pass descriptors.
16799         * init-regs.c: Update tree_pass descriptors.
16800         * ipa.c: Update tree_pass descriptors.
16801         * tree-ssa-phiopt.c: Update tree_pass descriptors.
16802         * rtl-factoring.c: Update tree_pass descriptors.
16803         * lower-subreg.c: Update tree_pass descriptors.
16804         * bt-load.c: Update tree_pass descriptors.
16805         * tree-dfa.c: Update tree_pass descriptors.
16806         * except.c: Update tree_pass descriptors.
16807         * emit-rtl.c: Update tree_pass descriptors.
16808         * cfgexpand.c: Update tree_pass descriptors.
16809         * tree-cfgcleanup.c: Update tree_pass descriptors.
16810         * cfgcleanup.c: Update tree_pass descriptors.
16811         * tree-ssa-pre.c: Update tree_pass descriptors.
16812         * tree-sra.c: Update tree_pass descriptors.
16813         * tree-mudflap.c: Update tree_pass descriptors.
16814         * tree-ssa-copy.c: Update tree_pass descriptors.
16815         * cfglayout.c: Update tree_pass descriptors.
16816         * tree-ssa-forwprop.c: Update tree_pass descriptors.
16817         * tree-ssa-dce.c: Update tree_pass descriptors.
16818         * tree-ssa.c: Update tree_pass descriptors.
16819         * regclass.c: Update tree_pass descriptors.
16820         * integrate.c: Update tree_pass descriptors.
16821         * tree-optimize.c: Update tree_pass descriptors.
16822         * tree-ssa-phiprop.c: Update tree_pass descriptors.
16823         * tree-object-size.c: Update tree_pass descriptors.
16824         * combine.c: Update tree_pass descriptors.
16825         * tree-outof-ssa.c: Update tree_pass descriptors.
16826         * bb-reorder.c: Update tree_pass descriptors.
16827         * stack-ptr-mod.c: Update tree_pass descriptors.
16828         * var-tracking.c: Update tree_pass descriptors.
16829         * tree-profile.c: Update tree_pass descriptors.
16830         * tree-vect-generic.c: Update tree_pass descriptors.
16831         * reg-stack.c: Update tree_pass descriptors.
16832         * sched-rgn.c: Update tree_pass descriptors.
16833         * tree-ssa-structalias.c: Update tree_pass descriptors.
16834         * tree-cfg.c: Update tree_pass descriptors.
16835         * passes.c (current_pass): Update declaration.
16836         (finish_optimization_passes): Update.
16837         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
16838         (register_one_dump_file, register_dump_files_1, next_pass_1):
16839         Update arguments.
16840         (init_optimization_passes): Update handling of new types.
16841         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
16842         * ipa-struct-reorg.c: Update tree_pass descriptors.
16843         * tree-ssa-reassoc.c: Update tree_pass descriptors.
16844         * combine-stack-adj.c: Update tree_pass descriptors.
16845         * cfgrtl.c: Update tree_pass descriptors.
16846         * dce.c: Update tree_pass descriptors.
16847         * tree-ssanames.c: Update tree_pass descriptors.
16848
16849 2008-03-19  Richard Guenther  <rguenther@suse.de>
16850
16851         PR middle-end/35609
16852         * tree-ssa.c (walk_data): New structure.
16853         (warn_uninitialized_var): If not always_executed warn with "maybe"
16854         instead of "is".
16855         (execute_early_warn_uninitialized): Compute post-dominators.
16856         Initialize always_executed before processing each basic block.
16857
16858 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
16859
16860         PR target/35504
16861         * config/i386/i386.c (x86_this_parameter): Calculate correct location
16862         of "this" pointer when "regparm = N" or "fastcall" is in effect.
16863
16864 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16865
16866         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
16867
16868 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
16869
16870         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
16871         is true.
16872         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
16873         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
16874         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
16875         target after ignore has been set, and move there also the commputation
16876         of subtarget and original_target.
16877         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
16878         (LANG_HOOKS_INITIALIZER): Remove it.
16879         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
16880
16881 2008-03-18  Richard Guenther  <rguenther@suse.de>
16882
16883         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
16884         found an expression with constants, note that in the VN for the lhs.
16885         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
16886         fold them to constants if possible.  Run cleanup_cfg if done so.
16887         (execute_pre): Return todo.
16888         (do_pre): Likewise.
16889         (execute_fre): Likewise.
16890         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
16891         of constants.
16892         (get_prop_source_stmt): Look through pointer conversions.
16893
16894 2008-03-18  Jan Hubicka  <jh@suse.cz>
16895
16896         * tree-pretty-print.c: Include predict.h.
16897         (dump_generic_node): Dump predictor.
16898         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
16899         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
16900         * gimple-low.c (lower_stmt): Likewise.
16901         * expr.c (expand_expr_real): Likewise.
16902         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
16903         them.
16904         (build_predict_expr, build_predict_expr): New.
16905         * predict.h (predictor_name, build_predict_expr): Update.
16906         * c-typeck.c (c_finish_bc_stmt): Add prediction.
16907         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
16908         * predict.def (PRED_CONTINUE): Update hitrate.
16909         * tree.def (PREDICT_EXPR): Define.
16910         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
16911         do not handle BIND_EXPR.
16912         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
16913         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
16914         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
16915         operands.
16916
16917 2008-03-18  Michael Matz  <matz@suse.de>
16918
16919         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
16920
16921 2008-03-18  Richard Guenther  <rguenther@suse.de>
16922
16923         * tree-gimple.h (is_gimple_invariant_address): Declare.
16924         (is_gimple_constant): Likewise.
16925         * tree-gimple.c (is_gimple_constant): New function.
16926         (is_gimple_invariant_address): Likewise.
16927         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
16928         and is_gimple_invariant_address.
16929         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
16930         previous change.
16931         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
16932         an addressable base.
16933
16934 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
16935
16936         PR middle-end/35611
16937         * gimplify.c (gimplify_expr): Gimplify second operand of
16938         OMP_ATOMIC_LOAD.
16939
16940 2008-03-17  Richard Guenther  <rguenther@suse.de>
16941
16942         PR tree-optimization/19637
16943         * fold-const.c (fold_unary): Remove restrictions of removing
16944         intermediate pointer-conversions (P2)(P1)P0.
16945         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
16946         conversion to void pointer.
16947         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
16948
16949 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
16950
16951         PR debug/31510
16952         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
16953         emulated thread local variables.
16954
16955 2008-03-16  Richard Guenther  <rguenther@suse.de>
16956
16957         PR middle-end/35607
16958         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
16959         expand TREE_INVARIANT operations that are not gimple invariant.
16960
16961 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
16962
16963         * doc/extend.texi (Alignment): Say that the ABI controls
16964         the __alignof__ for non-strict-alignment targets rather
16965         than being a recommendation.
16966
16967 2008-03-15  Paul Brook  <paul@codesourcery.com>
16968
16969         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
16970         annotations.
16971         (arm_output_fn_unwind): Mark functions that can not be unwound.
16972
16973 2008-03-15  Paul Brook  <paul@codesourcery.com>
16974
16975         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
16976         extension instructions.
16977
16978 2008-03-15  Richard Guenther  <rguenther@suse.de>
16979
16980         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
16981         and fold constant aggregate refs.
16982         (fold_const_aggregate_ref): Handle string constants
16983         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
16984         (evaluate_stmt): Simplify now that ccp_fold folds constant
16985         aggregate refs.
16986
16987 2008-03-15  Paul Brook  <paul@codesourcery.com>
16988
16989         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
16990         (extzv): Use gen_extzv_t2.
16991         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
16992
16993 2008-03-15  Richard Guenther  <rguenther@suse.de>
16994
16995         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
16996         (fold_const_aggregate_ref): Likewise.
16997         (get_value): Return NULL if we don't have any values.
16998         (ccp_finalize): Set const_val to NULL after freeing it.
16999         * tree-flow.h (get_symbol_constant_value): Declare.
17000         (fold_const_aggregate_ref): Likewise.
17001         * tree-ssa-sccvn.c (try_to_simplify): Use them.
17002
17003 2008-03-15  Richard Guenther  <rguenther@suse.de>
17004
17005         PR middle-end/35593
17006         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
17007         to not produce negative array indices if not allowed.  Add
17008         parameter to indicate that.
17009         (maybe_fold_offset_to_component_ref): Allow negative array
17010         indices only for the first member of a structure.
17011         (maybe_fold_offset_to_reference): Allow negative array indices.
17012         (maybe_fold_stmt_addition): Likewise.
17013
17014 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
17015             Anatoly Sokolov <aesok@post.ru>
17016
17017         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
17018         (avr_arch): Add ARCH_AVR6.
17019         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
17020         (initial_elimination_offset): Initialize and use 'avr_pc_size'
17021         instead of fixed value 2.
17022         (print_operand_address): Use gs() asm specifier instead of pm().
17023         (avr_assemble_integer): (Ditto.).
17024         (avr_output_addr_vec_elt): (Ditto.).
17025         (print_operand): Handle "!" code.
17026         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
17027         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
17028         (AVR_HAVE_EIJMP_EICALL): Define.
17029         (AVR_3_BYTE_PC): Redefine.
17030         (AVR_2_BYTE_PC): (Ditto.).
17031         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
17032         (LINK_SPEC): Add atmega2560 and atmega2561.
17033         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
17034         (crtm2561.o).
17035         * config/avr/avr.md (call_insn): Use eicall instead of icall
17036         for 3 byte PC devices.
17037         (call_value_insn): (Ditto.).
17038         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
17039         (indirect_jump): Use only for for 2 byte PC devices.
17040         (*tablejump): (Ditto.).
17041         (*indirect_jump_avr6): Add insn.
17042         (*tablejump_rjmp): Don't use for 3 byte PC devices.
17043         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
17044         instead of ijmp for 3 byte PC devices.
17045         (__tablejump2__): (Ditto.).
17046         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
17047         (MULITLIB_DIRNAMES): (Ditto.).
17048         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
17049
17050 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
17051
17052         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
17053         "sse2_umulsidi3".  Use V1DI mode for operand 0.
17054         ("mmx_psadbw"): Use V1DI mode for operand 0.
17055         * config/i386/i386-modes.def (V1SI): New vector mode.
17056         * config/i386/i386.c (struct builtin_description)
17057         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
17058         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
17059         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
17060         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
17061         v1di_ftype_v8qi_v8qi type.
17062         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
17063
17064         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
17065         __builtin_ia32_pmuludq]: Fix the mode of return value.
17066
17067 2008-03-15  Richard Guenther  <rguenther@suse.de>
17068
17069         PR middle-end/35595
17070         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
17071         being a PHI_NODE.
17072
17073 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
17074
17075         * doc/invoke.texi (Option Summary, Xtensa Options): Document
17076         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
17077         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
17078         unless TARGET_SERIALIZE_VOLATILE is enabled.
17079         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
17080         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
17081         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
17082
17083 2008-03-14  Richard Guenther  <rguenther@suse.de>
17084
17085         PR tree-optimization/34172
17086         * tree-flow.h (refs_may_alias_p): Declare.
17087         (get_single_def_stmt): Likewise.
17088         (get_single_def_stmt_from_phi): Likewise.
17089         (get_single_def_stmt_with_phi): Likewise.
17090         * tree-dfa.c (refs_may_alias_p): New function.
17091         (get_single_def_stmt): Likewise.
17092         (get_single_def_stmt_from_phi): Likewise.
17093         (get_single_def_stmt_with_phi): Likewise.
17094         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
17095         (vn_reference_lookup_1): New helper function.
17096         (vn_reference_lookup): Walk the virtual use-def chain to
17097         continue searching for a match if the def does not alias the
17098         reference we are looking for.
17099
17100 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
17101
17102         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
17103         archive and Perzl.  Update The Written Word listing.
17104
17105 2008-03-14  Richard Guenther  <rguenther@suse.de>
17106
17107         PR tree-optimization/34043
17108         PR tree-optimization/33989
17109         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
17110         when doing FRE.
17111         (bitmap_find_leader): Use extra argument to verify dominance
17112         relationship inside a basic-block.
17113         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
17114         (find_leader_in_sets): Adjust.
17115         (create_component_ref_by_pieces): Take extra argument for
17116         dominance check, handle lookup failures.
17117         (find_or_generate_expression): Likewise.
17118         (create_expression_by_pieces): Likewise.
17119         (insert_into_preds_of_block): Adjust.
17120         (create_value_expr_from): If asked for, verify all operands
17121         are in the blocks AVAIL_OUT set.
17122         (make_values_for_stmt): Check for SSA_NAMEs that are life
17123         over an abnormal edge.
17124         (compute_avail): Remove such check.
17125         (do_SCCVN_insertion): New function.
17126         (eliminate): If we do not find a leader suitable for replacement
17127         insert a replacement expression from SCCVN if available.
17128         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
17129         (struct vn_ssa_aux): Add needs_insertion flag.
17130         * tree-ssa-sccvn.c (may_insert): New global flag.
17131         (copy_reference_ops_from_ref): Value-number union member access
17132         based on its size, not type and member if insertion is allowed.
17133         (visit_reference_op_load): For a weak match from union type
17134         punning lookup a view-converted value and insert a SSA_NAME
17135         for that value if that is not found.
17136         (visit_use): Make dumps shorter.  Do not disallow value numbering
17137         SSA_NAMEs that are life over an abnormal edge to constants.
17138         (free_scc_vn): Release inserted SSA_NAMEs.
17139         (run_scc_vn): New flag to specify whether insertion is allowed.
17140         Process SSA_NAMEs in forward order.
17141         * tree-ssa-loop-im.c (for_each_index): Handle invariant
17142         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
17143         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
17144         pointer type to/from integral types that do not change the
17145         precision to regular conversions.
17146
17147 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
17148
17149         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
17150         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
17151         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
17152         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
17153         input arguments and the mode of return value.  Built-in functions
17154         that operate on whole 64-bit MMX register now use V1DI mode.
17155
17156 2008-03-13  Alon Dayan  <alond@il.ibm.com>
17157             Olga Golovanevsky  <olga@il.ibm.com>
17158
17159         PR tree-optimization/35041
17160         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
17161         to locate the right position in a statement.
17162
17163 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
17164
17165         PR target/34000
17166         PR target/35553
17167         * config/i386/xmmintrin.h:  Change all static inline functions to
17168         extern inline and add __gnu_inline__ attribute.
17169         * config/i386/bmintrin.h: Ditto.
17170         * config/i386/smmintrin.h: Ditto.
17171         * config/i386/tmmintrin.h: Ditto.
17172         * config/i386/mmintrin-common.h: Ditto.
17173         * config/i386/ammintrin.h: Ditto.
17174         * config/i386/emmintrin.h: Ditto.
17175         * config/i386/pmmintrin.h: Ditto.
17176         * config/i386/mmintrin.h: Ditto.
17177         * config/i386/mm3dnow.h: Ditto.
17178
17179 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
17180
17181         PR middle-end/35185
17182         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
17183         (lower_omp_2): New function.
17184         (lower_omp_1, lower_omp): Rewritten.
17185
17186 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
17187
17188         PR 35054
17189         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
17190         with the phrase "Microsoft Windows compilers".
17191         (Push/Pop Macro Pragmas): New subsection. Document
17192         #pragma push_macro and pragma pop_macro.
17193
17194 2008-03-12  Paul Brook  <paul@codesourcery.com>
17195
17196         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
17197
17198 2008-03-12  Paul Brook  <paul@codesourcery.com>
17199
17200         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
17201         (thumb2_alusi3_short): Exclude PLUS and MINUS.
17202         (thumb2_addsi_shortim): Rename ...
17203         (thumb2_addsi_short): ... to this.  Allow register operands.
17204         (thumb2_subsi_short): New pattern.
17205         (thumb2_one_cmplsi2_short,
17206         thumb2_negsi2_short): New patterns and peepholes.
17207
17208 2008-03-12  Paul Brook  <paul@codesourcery.com>
17209
17210         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
17211
17212 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
17213
17214         * config/i386/i386.md (int_cond): New code iterator.
17215         (fp_cond): Ditto.
17216         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
17217         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
17218         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
17219         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
17220         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
17221         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
17222         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
17223         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
17224
17225 2008-03-12  Paul Brook  <paul@codesourcery.com>
17226
17227         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
17228         instead of {arm,thumb}_compute_save_reg_mask.
17229         (output_return_instruction): Ditto.
17230         (thumb_unexpanded_epilogue): Ditto.
17231         (thumb1_expand_prologue): Ditto.
17232         (thumb1_output_function_prologue): Ditto.
17233         (arm_set_return_address): Ditto.
17234         (thumb_set_return_address): Ditto.
17235         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
17236         regs to achieve stack alignment.
17237         (thumb1_compute_save_reg_mask): Fix compiler warning.
17238         (arm_output_epilogue): Use offsets->saved_regs_mask.
17239         Adjust stack pointer by poping call clobered registers.
17240         (arm_expand_prologue): Use offsets->saved_regs_mask.
17241         Adjust stack pointer by pushing extra registers.
17242         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
17243
17244 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
17245
17246         PR tree-opt/35422
17247         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
17248         conversion to the operands of a multiplication.
17249
17250 2008-03-12  Richard Guenther  <rguenther@suse.de>
17251
17252         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
17253         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
17254         * timevar.def (TV_TREE_PHIPROP): Add.
17255         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
17256         pass description.  Use TV_TREE_PHIPROP.
17257         * tree-ssa-forwprop.c: Remove phiprop code.
17258
17259 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
17260
17261         PR middle-end/35549
17262         * omp-low.c (maybe_lookup_decl): Constify first argument.
17263         (use_pointer_for_field): Change last argument from bool to
17264         omp_context *.  Disallow shared copy-in/out in nested
17265         parallel if decl is shared in outer parallel too.
17266         (build_outer_var_ref, scan_sharing_clauses,
17267         lower_rec_input_clauses, lower_copyprivate_clauses,
17268         lower_send_clauses, lower_send_shared_vars): Adjust callers.
17269
17270 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
17271             Ira Rosen  <irar@il.ibm.com>
17272
17273         * tree-vectorizer.c (free_stmt_vec_info): New function.
17274         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
17275         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
17276         * tree-vectorizer.h (free_stmt_vec_info): Declare.
17277         * tree-vect-transform.c (vectorizable_conversion): Free
17278         vec_oprnds0 if it was allocated.
17279         (vect_permute_store_chain): Remove unused VECs.
17280         (vectorizable_store): Free VECs that are allocated in the..
17281         function.
17282         (vect_transform_strided_load, vectorizable_load): Likewise.
17283         (vect_remove_stores): Simplify the code.
17284         (vect_transform_loop): Move code to vect_remove_stores().
17285         Call vect_remove_stores() and free_stmt_vec_info().
17286
17287 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17288
17289         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
17290         TARGET_HPUX.  Revise comment.
17291         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
17292         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
17293         Use sr4 variant of `be' instruction when not generating PIC code.
17294         (attr_length_call): Adjust for above change.
17295
17296 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17297
17298         * ipa-reference.c (static_execute): Remove module_statics_const and
17299         associated setting code.
17300
17301 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
17302
17303         PR target/35540
17304         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
17305         predicate for operand 1.
17306         (paritysi2_cmp): Use register_operand predicate for operand 2.
17307         Use earlyclobber modifier for operand 1.  Remove support for
17308         memory operands.
17309         (paritydi2_cmp): Use register_operand predicate for operand 3.
17310         Use earlyclobber modifier for operand 1.  Remove support for
17311         memory operands.
17312
17313 2008-03-11  Paul Brook  <paul@codesourcery.com>
17314             Vladimir Prus  <vladimir@codesourcery.com>
17315
17316         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
17317         (arm_compute_save_reg0_reg12_mask): Always
17318         check if register 11 must be saved.  Always safe hard frame pointer
17319         when frame_pointer_needeed.
17320         (arm_compute_save_reg_mask): Save IP and PC
17321         only with apcs frames.
17322         (arm_output_epilogue): Adjust Thumb2 codepath to
17323         be also invoked and work for ARM non-apcs frames.
17324         (arm_expand_prologue): Don't bother saving IP
17325         for non-apcs frame, since it's not clobbered by
17326         prologue code.  Implement non-apcs frame
17327         layout.
17328
17329 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
17330
17331         PR rtl-optimization/35281
17332         * expr.c (convert_move): Use a new pseudo for the intermediate
17333         from_mode->word_mode result.
17334
17335 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
17336
17337         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
17338         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
17339         * toplev.c (compile_file): Don't call it.
17340
17341 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
17342
17343         PR middle-end/35526
17344         * expr.c (store_expr): Call emit_block_move if the mode
17345         of "temp" RTX is BLKmode.
17346
17347 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17348             Richard Guenther  <rguenther@suse.de>
17349
17350         PR tree-optimization/31358
17351         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
17352         the step with a NULL_TREE.
17353         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
17354         to sizetype if type is a pointer type.
17355         (add_candidate_1): Don't convert the base and step to
17356         the generic type if the orginal type is a pointer type.
17357         (add_iv_value_candidates): Use sizetype for the step
17358         if type is a pointer type.
17359         (cand_value_at): Likewise.
17360         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
17361         for pointer types.
17362         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
17363         Don't convert the tem affine to the type.
17364         (add_elt_to_tree): Use sizetype for the step if a pointer.
17365         Use POINTER_PLUS_EXPR for pointers.
17366         (aff_combination_to_tree): Use sizetype for the step if a
17367         pointer.
17368
17369 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
17370
17371         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
17372         Remove commutativity hint.
17373
17374 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
17375
17376         PR c/35438
17377         PR c/35439
17378         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
17379         errorneous type.  Check that v is a VAR_DECL.
17380
17381         PR middle-end/35099
17382         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
17383
17384 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
17385
17386         PR tree-optimization/35494
17387         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
17388         may be overriden at link and run time.
17389
17390 2008-03-10  Richard Guenther  <rguenther@suse.de>
17391
17392         PR tree-optimization/34677
17393         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
17394         (poolify_tree): Likewise.
17395         (modify_expr_template): Likewise.
17396         (poolify_modify_stmt): Likewise.
17397         (insert_fake_stores): Handle all component-ref style stores
17398         in addition to INDIRECT_REF.  Also handle complex types.
17399         Do not poolify the inserted load.
17400         (realify_fake_stores): Do not rebuild the tree but only
17401         make it a SSA_NAME copy.
17402         (init_pre): Remove initialzation of modify_expr_template.
17403         Do not allocate modify_expr_node_pool.
17404         (fini_pre): Do not free modify_expr_node_pool.
17405
17406 2008-03-10  Paul Brook  <paul@codesourcery.com>
17407
17408         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
17409         to avoid conflicts.
17410
17411 2008-03-10  Paul Brook  <paul@codesourcery.com>
17412             Mark Shinwell  <shinwell@codesourcery.com>
17413
17414         * config/arm/cortex-r4.md: New.
17415         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
17416         insn attributes.
17417         * config/arm/arm.md: Include cortex-r4.md.
17418         (insn): Add smmls, sdiv and udiv values.
17419         (generic_sched): Don't use generic scheduling for Cortex-R4.
17420         (arm_issue_rate): New function.
17421         (TARGET_SCHED_ISSUE_RATE): Define.
17422
17423 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
17424
17425         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
17426
17427 2008-03-10  Richard Guenther  <rguenther@suse.de>
17428
17429         * tree-ssa-pre.c (get_sccvn_value): Simplify.
17430         (compute_avail): Do not add stmt uses to AVAIL_OUT.
17431
17432 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
17433
17434         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
17435         Set default to true.
17436
17437 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17438
17439         * c.opt (Wsynth): Deprecate.
17440         * doc/invoke.texi (Option Summary, Warning Options): Document
17441         -Wno-format-contains-nul.
17442
17443 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
17444
17445         PR target/35496
17446         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
17447         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
17448
17449 2008-03-09  Ira Rosen  <irar@il.ibm.com>
17450
17451         * config/rs6000/rs6000.c (builtin_description): Rename vector
17452         left shift operations.
17453         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
17454         (altivec_vsl<VI_char>): Rename to ...
17455         (ashl<mode>3): ... new name.
17456         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
17457         gen_ashlv4si3.
17458         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
17459
17460 2008-03-08  Richard Guenther  <rguenther@suse.de>
17461
17462         * coverage.h (tree_coverage_counter_addr): Declare.
17463         * coverage.c (tree_coverage_counter_addr): New function.
17464         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
17465         before using again.
17466         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
17467         (tree_gen_one_value_profiler): Likewise.
17468         (tree_gen_ic_profiler): Likewise.
17469         (tree_gen_average_profiler): Likewise.
17470         (tree_gen_ior_profiler): Likewise.
17471
17472 2008-03-08  Richard Guenther  <rguenther@suse.de>
17473
17474         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
17475         (vn_binary_op_insert): Likewise.
17476         (vn_unary_op_lookup): Likewise.
17477         (vn_unary_op_insert): Likewise.
17478         (vn_nary_op_lookup): Declare.
17479         (vn_nary_op_insert): Likewise.
17480         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
17481         and binary hashes, use a single obstack for unary_op_pool
17482         and binary_op_pool.
17483         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
17484         a single struct vn_nary_op_s.  Store tree code length and
17485         a variable number of operands.
17486         (struct vn_reference_op_struct): Remove unused op2.
17487         (vn_reference_op_eq): Do not compare op2.
17488         (vn_reference_op_compute_hash): Do not compute hash of op2.
17489         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
17490         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
17491         with vn_nary_op_compute_hash.
17492         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
17493         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
17494         vn_nary_op_lookup.
17495         (vn_unary_op_insert, vn_binary_op_insert): Replace with
17496         vn_nary_op_insert.
17497         (visit_unary_op): Call nary functions.
17498         (visit_binary_op): Likewise.
17499         (process_scc): Adjust for struct vn_tables_s changes.
17500         (allocate_vn_table): Likewise.
17501         (free_vn_table): Likewise.
17502         * tree-vn.c (vn_add): Call nary functions.
17503         (vn_lookup): Likewise.
17504
17505 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
17506
17507         PR target/35498
17508         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
17509         wdst back after sync_compare_and_swapqhi_internal.
17510
17511 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
17512
17513         PR target/22152
17514         * config/i386/i386-modes.def (V1DI): New vector mode.
17515         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
17516         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
17517         (MMXMODE248): Ditto.
17518         (MMXMODE): Add V1DI mode.
17519         (mmxvecsize): Change DI mode to V1DI mode.
17520         ("mov<mode>): Use MMXMODEI8 mode iterator.
17521         ("*mov<mode>_internal_rex64"): Ditto.
17522         ("*mov<mode>_internal"): Ditto.
17523         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
17524         ("mmx_sub<mode>3"): Ditto.
17525         ("mmx_adddi3"): Remove insn pattern.
17526         ("mmx_subdi3"): Ditto.
17527         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
17528         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
17529         ("mmx_ashl<mode>3"): Ditto.
17530         ("mmx_lshrdi3"): Remove insn pattern.
17531         ("mmx_ashldi3"): Ditto.
17532         * config/i386/i386.c (classify_argument): Handle V1DImode.
17533         (function_arg_advance_32): Ditto.
17534         (function_arg_32): Ditto.
17535         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
17536         mmx_addv1di3 insn pattern.
17537         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
17538         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
17539         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
17540         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
17541         Remove definitions of built-in functions.
17542         (V1DI_type_node): New node.
17543         (v1di_ftype_v1di_int): Ditto.
17544         (v1di_ftype_v1di_v1di): Ditto.
17545         (v2si_ftype_v2si_si): Ditto.
17546         (v4hi_ftype_v4hi_di): Remove node.
17547         (v2si_ftype_v2si_di): Ditto.
17548         (ix86_init_mmx_sse_builtins): Handle V1DImode.
17549         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
17550         Redefine builtins using def_builtin_const with *_ftype_*_int node.
17551         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
17552         Add new builtins using def_builtin_const.
17553         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
17554         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
17555         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
17556         * config/i386/mmintrin.h (__v1di): New typedef.
17557         (_mm_add_si64): Cast arguments to __v1di type.
17558         (_mm_sub_si64): Ditto.
17559         (_mm_sll_pi16): Cast __count to __v4hi type.
17560         (_mm_sll_pi32): Cast __count to __v2si type.
17561         (_mm_sll_si64): Cast arguments to __v1di type.
17562         (_mm_srl_pi16): Cast __count to __v4hi type.
17563         (_mm_srl_pi32): Cast __count to __v2si type.
17564         (_mm_srl_si64): Cast arguments to __v1di type.
17565         (_mm_sra_pi16): Cast __count to __v4hi type.
17566         (_mm_sra_pi32): Cast __count to __v2si type.
17567         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
17568         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
17569         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
17570         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
17571         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
17572         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
17573         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
17574         (_mm_srai_pi32): Use __builtin_ia32_psradi.
17575         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
17576         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
17577         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
17578         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
17579
17580 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
17581
17582         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
17583
17584 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
17585
17586         PR target/35373
17587         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
17588         reg+const addressing for Altivec modes.  Don't generate reg+reg
17589         addressing for TFmode or TDmode quantities.
17590
17591 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
17592
17593         * c-common.c (vector_types_convertible_p): Call langhook
17594         instead of comptypes.
17595
17596 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17597
17598         PR tree-opt/35402
17599         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
17600         integral and scalar float variables which have a
17601         NULL DECL_INITIAL.
17602
17603 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
17604
17605         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
17606         dwarf_register_span hook when emitting unwind information for
17607         register-to-memory saves.
17608         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
17609         (rs6000_frame_related): Remove call to spe_synthesize_frame.
17610
17611 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
17612
17613         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
17614         for the same VAR_DECL.
17615
17616 2008-03-06  Tom Tromey  <tromey@redhat.com>
17617
17618         * treelang: Delete.
17619         * doc/standards.texi (Standards): Don't mention treelang.
17620         * doc/invoke.texi (Overall Options): Don't mention treelang.
17621         * doc/install.texi (Prerequisites): Don't mention bison or
17622         treelang.
17623         (Configuration): Don't mention treelang.
17624         (Building): Likewise.
17625         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
17626
17627 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
17628
17629         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
17630         word-extractions out of a multi-word object.
17631
17632 2008-03-06  Richard Guenther  <rguenther@suse.de>
17633
17634         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
17635         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
17636         result type and precision.
17637         * expr.c (get_inner_reference): Set unsignedp based on the result
17638         type of BIT_FIELD_REF.
17639         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
17640         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
17641         (try_instantiate_multiple_fields): Likewise.  Use the correct type
17642         for BIT_FIELD_REF.
17643         (sra_build_assignment): Likewise.
17644         (sra_build_elt_assignment): Likewise.
17645         (sra_explode_bitfield_assignment): Likewise.
17646         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
17647         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
17648         set BIT_FIELD_REF_UNSIGNED.
17649         (vectorizable_load): Likewise.
17650
17651 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
17652
17653         * cse.c (cse_extended_basic_block): Invalidate artificial defs
17654         at bb start.
17655
17656 2008-03-06  Richard Guenther  <rguenther@suse.de>
17657
17658         * alias.c (struct alias_set_entry): Move has_zero_child field
17659         to pack with alias_set.
17660
17661 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
17662
17663         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
17664         32bit host.
17665
17666 2008-03-05  Ian Lance Taylor  <iant@google.com>
17667
17668         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
17669
17670 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
17671
17672         * fwprop.c (update_df): Support width and offset parameters of
17673         df_ref_create.
17674         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
17675         global_conflicts): Change DF_REF_EXTRACT to either
17676         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17677         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17678         * df-scan.c (df_ref_record, df_defs_record,
17679         df_ref_create_structure, df_def_record_1, df_uses_record,
17680         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
17681         df_bb_refs_collect, df_entry_block_defs_collect,
17682         df_exit_block_uses_collect): Support new width and offset fields.
17683         (ref_extract_pool): New storage pool.
17684         (df_free_ref): New function.
17685         (df_reg_chain_unlink, df_free_collection_rec,
17686         df_sort_and_compress_refs): Call df_free_ref.
17687         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
17688         of df_ref_extract.
17689         (df_ref_create_structure): Allocate df_ref_extract if offset and
17690         width fields are used.
17691         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
17692         (df_uses_record): Get offset and width from ZERO_EXTRACT
17693         and SIGN_EXTRACT.
17694         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
17695         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17696         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17697         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
17698         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17699         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17700         (df_ref_extract): New structure.
17701         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
17702         (df_ref_create): Add width and offset parameters.
17703
17704 2008-03-05  Richard Guenther  <rguenther@suse.de>
17705
17706         * tree-ssa-structalias.c (get_constraint_for_component_ref):
17707         Use ranges_overlap_p.
17708         (offset_overlaps_with_access): Rename
17709         to ranges_overlap_p and move ...
17710         * tree-flow-inline.h (ranges_overlap_p): ... here.
17711
17712         * tree.h (get_inner_reference, handled_component_p): Update
17713         comments.
17714
17715         * tree.h (record_component_aliases, get_alias_set,
17716         alias_sets_conflict_p, alias_sets_must_conflict_p,
17717         objects_must_conflict_p): Move declarations ...
17718         * alias.h (record_component_aliases, get_alias_set,
17719         alias_sets_conflict_p, alias_sets_must_conflict_p,
17720         objects_must_conflict_p): ... here.
17721         Include coretypes.h.
17722         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
17723
17724 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
17725
17726         * cfg.c: Include tree-flow.h.
17727         (remove_edge_raw): Call redirect_edge_var_map_clear.
17728         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
17729         * tree-flow-inline.h (redirect_edge_var_map_def): New.
17730         (redirect_edge_var_map_result): New.
17731         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
17732         PENDING_STMT use with redirect_edge_var_map_*.
17733         * tree-ssa.c (edge_var_maps): New definition.
17734         (redirect_edge_var_map_add): New.
17735         (redirect_edge_var_map_clear): New.
17736         (redirect_edge_var_map_dup): New.
17737         (redirect_edge_var_map_vector): New.
17738         (redirect_edge_var_map_destroy): New.
17739         (ssa_redirect_edge): Replace PENDING_STMT use with
17740         redirect_edge_var_map_*.
17741         (flush_pending_stmts): Same.
17742         (delete_tree_ssa): Destroy edge var map.
17743         * tree-flow.h (struct _edge_var_map): New.
17744         Define edge_var_map vector type.
17745         Declare redirect_edge_var_map_* prototypes.
17746         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
17747         * tree-cfg.c (reinstall_phi_args): Replace
17748         PENDING_STMT use with redirect_edge_var_map_*.
17749
17750 2008-03-05  Richard Guenther  <rguenther@suse.de>
17751
17752         PR tree-optimization/35472
17753         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
17754         whose single use_stmt has a overlapping set of loaded and
17755         stored symbols as that use_stmt might be a noop assignment then.
17756
17757 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
17758
17759         * gthr-rtems.h: Implement __gthread_mutex_destroy.
17760
17761 2008-03-05  Richard Guenther  <rguenther@suse.de>
17762
17763         PR c++/35336
17764         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
17765         should be constants.
17766         * tree-cfg.c (verify_expr): Verify it.
17767         * fold-const.c (fold_truthop): Remove code generating
17768         BIT_FIELD_REFs of structure bases.
17769         (fold_binary): Likewise.
17770         (fold_ternary): Position and size of BIT_FIELD_REFs are
17771         always host integers.
17772         (make_bit_field_ref): Remove.
17773         (optimize_bit_field_compare): Remove.
17774         (all_ones_mask_p): Remove.
17775
17776 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
17777
17778         PR gcc/33009
17779         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
17780         (split_block_and_df_analyze): New. Split basic block and rebuild
17781         dataflow.
17782         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
17783         SPLIT_BLOCK.
17784         (split_pattern_seq): Likewise.
17785         (erase_matching_seqs): Likewise.
17786         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
17787
17788 2008-03-04  Geoff Keating  <geoffk@apple.com>
17789
17790         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
17791         declaration and code.
17792         (tree_invalid_nonnegative_warnv_p): Likewise.
17793
17794 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
17795
17796         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
17797         examples.  Truncate option-names then causing overfull hbox.
17798
17799 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17800
17801         PR target/35222
17802         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
17803         on hpux10.
17804         * configure: Rebuilt.
17805
17806 2008-03-04  Rafael Espindola  <espindola@google.com>
17807
17808         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
17809         (tree_unary_nonnegative_warnv_p): New.
17810         (tree_binary_nonnegative_warnv_p): New.
17811         (tree_single_nonnegative_warnv_p): New.
17812         (tree_invalid_nonnegative_warnv_p): New.
17813         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
17814
17815 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17816
17817         PR 28322
17818         * opts.c (handle_option): Postpone 'unknown option' errors only for
17819         warning options.
17820
17821 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
17822
17823         PR target/35453
17824         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
17825         (_SIDD_XXX): This.
17826
17827 2008-03-04  Rafael Espindola  <espindola@google.com>
17828
17829         * fold-const.c (tree_unary_nonzero_warnv_p): New.
17830         (tree_binary_nonzero_warnv_p): New.
17831         (tree_single_nonzero_warnv_p): New.
17832         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
17833
17834 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
17835
17836         PR middle-end/35456
17837         * fold-const.c (fold_cond_expr_with_comparison): Prevent
17838         transformations for modes that have signed zeros.
17839         * ifcvt.c (noce_try_abs): Ditto.
17840
17841 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
17842
17843         * config/i386/i386.c (override_options): Force
17844         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
17845
17846 2008-03-04  Jan Hubicka  <jh@suse.cz>
17847
17848         PR c++/35262
17849         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
17850         in last commit.
17851
17852 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17853
17854         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
17855         label to probe the stack.
17856
17857 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17858
17859         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
17860         (__gthr_win32_mutex_destroy): Declare.
17861         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
17862         __gthr_win32_mutex_destroy.
17863         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
17864
17865 2008-03-03  Jan Hubicka  <jh@suse.cz>
17866
17867         PR c++/35262
17868         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
17869         aggressive on inlining cold calls.
17870
17871 2008-03-03  Richard Guenther  <rguenther@suse.de>
17872
17873         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
17874         struct copies into the expression table.
17875         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
17876         (try_to_simplify): Likewise.
17877         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
17878         integral and pointer arguments which do not change the
17879         precision to NOP_EXPRs.
17880         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
17881         VIEW_CONVERT_EXPR case.
17882
17883 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
17884
17885         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
17886         defined in a loop at depth 0 is invariant.
17887         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
17888         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
17889         be called at loop depth 0.
17890
17891 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
17892
17893         PR driver/35420
17894         * gcc.c (process_command): Update copyright notice dates.
17895         * gcov.c (print_version): Likewise.
17896         * gcov-dump.c (print_version): Likewise.
17897         * mips-tfile.c (main): Likewise.
17898         * mips-tdump.c (main): Likewise.
17899
17900 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17901
17902         PR 24924
17903         * c-common.c (flag_permissive): Delete.
17904         (constant_expression_warnings): Check flags first.
17905         (constant_expression_error): New.
17906         * c-common.h (flag_permissive): Delete.
17907         (constant_expression_error): Declare.
17908         * flags.h (flag_permissive): Declare. Update description.
17909         * diagnostic.c (pedwarn): Update.
17910         (permerror): New.
17911         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
17912         (permissive_error_kind): New.
17913         * toplev.c (flag_permissive): Define. Update description.
17914         * toplev.h (permissive_error_kind): Declare.
17915         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
17916         (pedwarn_c90): Use pedantic_warning_kind.
17917         * c-opts.c (c_common_post_options): flag_permissive does not affect
17918         flag_pedantic_errors.
17919
17920 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
17921
17922         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
17923         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
17924         __absvsi2, __absvDI2): Use unsigned arithmetic.
17925
17926 2008-03-02  Andi Kleen  <ak@suse.de>
17927             Richard Guenther  <rguenther@suse.de>
17928
17929         * struct-equiv.c: Remove file.
17930         * cfg_cleanup.c (condjump_equiv_p): Remove.
17931         * Makefile.in (OBJS-common): Remove struct-equiv.o.
17932         (struct-equiv.o): Remove rule.
17933         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
17934         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
17935         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
17936
17937 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17938
17939         * ifcvt.c (noce_process_if_block): Try to handle only the then
17940         block if the else block exists but isn't suitable.
17941
17942 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17943
17944         PR gcc/35063
17945         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
17946         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
17947         regression from previous patch.
17948
17949 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17950
17951         PR gcc/35063
17952         * gthr.h: Add __gthread_mutex_destroy as a function that must be
17953         implemented.
17954         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
17955         * gthr-single.h (__gthread_mutex_destroy): Likewise.
17956         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
17957         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
17958         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
17959         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
17960         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
17961         (__gthread_mutex_destroy_function): Rename to
17962         __gthread_mutex_destroy.
17963         * gthr-dce.h (__gthread_mutex_destroy): Call
17964         pthread_mutex_destroy.
17965         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
17966         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
17967         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
17968
17969 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17970
17971         * df-scan.c (df_ref_chain_change_bb): Simplify.
17972         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
17973         set_block_for_insn if there's any change.
17974         * df.h ((df_insn_change_bb): Fix prototype.
17975         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
17976         df_insn_change_bb, don't call set_block_for_insn.
17977         * emit-rtl.c (reorder_insns): Likewise.
17978         * haifa-sched.c (move_insn): Likewise.
17979
17980 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17981
17982         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
17983
17984 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17985
17986         * tree-flow-inline.h (next_readonly_imm_use): Return
17987         NULL_USE_OPERAND_P after the end.
17988
17989 2008-03-01  Richard Guenther  <rguenther@suse.de>
17990
17991         PR tree-optimization/35411
17992         * tree-sra.c (sra_build_assignment): Split conversion to
17993         final type to a separate statement if we are not assigning
17994         to a register.
17995
17996 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
17997
17998         * fold-const.c (fold_convertible_p): Correct the logic to follow
17999         that in fold_convert().
18000
18001 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
18002
18003         PR c++/35315
18004         * tree-inline.c (build_duplicate_type): When we make a
18005         duplicate type, make it unique in the canonical types system.
18006
18007 2008-02-29  Tom Tromey  <tromey@redhat.com>
18008
18009         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
18010         input_file_stack_history, input_file_stack_restored): Remove.
18011         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
18012         * input.h (struct file_stack): Remove.
18013         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
18014         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
18015         Likewise.
18016         * diagnostic.h (struct diagnostic_context) <last_module>: Change
18017         type.
18018         (diagnostic_last_module_changed): Add 'map' argument.
18019         (diagnostic_set_last_function): Likewise.
18020         * diagnostic.c (undiagnostic_report_current_module): Iterate using
18021         line map, not input_file_stack.
18022         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
18023
18024 2008-02-29  Paul Brook  <paul@codesourcery.com>
18025
18026         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
18027
18028 2008-02-29  Paul Brook  <paul@codesourcery.com>
18029
18030         * config/arm/ieee754-df.S (muldf3): Use RET macros.
18031
18032 2008-02-29  Richard Guenther  <rguenther@suse.de>
18033
18034         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
18035         vn_lookup_or_add.
18036         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
18037         value for comparing for a store match.
18038         (simplify_unary_expression): Do nothing for SSA_NAMEs.
18039         (try_to_simplify): Do not do a full-blown reference lookup.
18040
18041 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
18042
18043         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
18044         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18045
18046         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
18047
18048 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
18049
18050         * tree-loop-linear.c (try_interchange_loops): Compare memory access
18051         strides against cache sizes.
18052
18053 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
18054
18055         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
18056         constant to fpul.
18057
18058 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
18059
18060         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
18061         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
18062         is smaller than the original promoted value.
18063         (simplify_subreg): If OP is a SUBREG, try to preserve its
18064         SUBREG_PROMOTED_VAR_P information.
18065
18066 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
18067
18068         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
18069         (VN_INFO_GET): Allocate new objects on the obstack.
18070         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
18071         for rpo_numbers_temp, for consistency.
18072         (free_scc_vn): Free the obstack.
18073
18074 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
18075
18076         * doc/invoke.texi: Document -ftree-loop-distribution.
18077         * tree-loop-distribution.c: New.
18078         * tree-pass.h (pass_loop_distribution): New.
18079         * graphds.h (struct graph): Add htab_t indices.
18080         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
18081         * tree-vectorizer.c (rename_variables_in_loop): Extern.
18082         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
18083         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
18084         * tree-data-ref.c (debug_data_dependence_relations): New.
18085         (dump_data_dependence_relation): Also print data references.
18086         (free_data_ref): Extern.
18087         (same_access_functions): Moved...
18088         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
18089         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
18090         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
18091         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
18092         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
18093         (stmts_from_loop): Skip LABEL_EXPR.
18094         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
18095         New.
18096         (build_rdg): Initialize rdg->indices htab.
18097         (free_rdg, stores_from_loop, ref_base_address,
18098         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
18099         have_similar_memory_accesses_1, ref_base_address_1,
18100         remove_similar_memory_refs): New.
18101         * tree-data-ref.h: Depend on tree-chrec.h.
18102         (debug_data_dependence_relations, free_data_ref): Declared.
18103         (same_access_functions): ... here.
18104         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
18105         New.
18106         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
18107         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
18108         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
18109         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
18110         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
18111         rdg_vertex_for_stmt): Declared.
18112         (struct rdg_edge): Add level.
18113         (RDGE_LEVEL): New.
18114         (free_rdg, stores_from_loop, remove_similar_memory_refs,
18115         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
18116         Declared.
18117         (rdg_has_similar_memory_accesses): New.
18118         * tree-vect-analyze.c: Remove unused static decls.
18119         * lambda.h (dependence_level): New.
18120         * common.opt (ftree-loop-distribution): New.
18121         * tree-flow.h (mark_virtual_ops_in_bb,
18122         slpeel_tree_duplicate_loop_to_edge_cfg,
18123         rename_variables_in_loop): Declared.
18124         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
18125         (OBJS-common): Add tree-loop-distribution.o.
18126         (tree-loop-distribution.o): New rule.
18127         * tree-cfg.c (mark_virtual_ops_in_bb): New.
18128         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
18129         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
18130
18131 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
18132
18133         PR target/33963
18134         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
18135         other than structures and unions.
18136
18137 2008-02-28  Richard Guenther  <rguenther@suse.de>
18138
18139         Revert:
18140         2008-02-26  Richard Guenther  <rguenther@suse.de>
18141
18142         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18143         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18144         (lookup_decl_from_uid): Declare.
18145         (remove_decl_from_map): Likewise.
18146         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18147         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18148         (decl_for_uid_map): New global hashtable mapping DECL_UID
18149         to the decl tree.
18150         (init_ttree): Allocate it.
18151         (insert_decl_to_uid_decl_map): New helper function.
18152         (make_node_stat): Insert new decls into the map.
18153         (copy_node_stat): Likewise.
18154         (lookup_decl_from_uid): New function.
18155         (remove_decl_from_map): Likewise.
18156         (print_decl_for_uid_map_statistics): New helper.
18157         (dump_tree_statistics): Call it.
18158
18159         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18160         (referenced_var_iterator): Adjust.
18161         (FOR_EACH_REFERENCED_VAR): Adjust.
18162         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18163         (num_referenced_vars): Adjust.
18164         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18165         (first_referenced_var): Remove.
18166         (end_referenced_vars_p): Likewise.
18167         (next_referenced_var): Likewise.
18168         (referenced_var_iterator_set): New helper function.
18169         * tree-dfa.c (referenced_var_lookup): Adjust.
18170         (referenced_var_check_and_insert): Likewise.
18171         (remove_referenced_var): Likewise.
18172         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18173         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18174         (verify_call_clobbering): Likewise.
18175         (verify_memory_partitions): Likewise.
18176         (init_tree_ssa): Allocate bitmap instead of hashtable for
18177         referenced_vars.
18178         (delete_tree_ssa): Adjust.
18179         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18180         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18181         (compute_tag_properties): Likewise.
18182         (set_initial_properties): Likewise.
18183         (find_partition_for): Likewise.
18184         (update_reference_counts): Likewise.
18185         (dump_may_aliases_for): Likewise.
18186         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18187         (add_call_clobber_ops): Likewise.
18188         (add_call_read_ops): Likewise.
18189         (get_asm_expr_operands): Likewise.
18190         * tree-into-ssa.c (dump_decl_set): Likewise.
18191         (update_ssa): Likewise.
18192         * tree-sra.c (scan_function): Likewise.
18193         (decide_instantiations): Likewise.
18194         (scalarize_parms): Likewise.
18195         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18196         (dsa_named_for): Likewise.
18197         * tree-ssa-structalias.c (update_alias_info): Likewise.
18198         (merge_smts_into): Likewise.
18199
18200 2008-02-27  David Daney  <ddaney@avtrex.com>
18201
18202         PR target/34409
18203         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
18204         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
18205         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
18206         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
18207         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
18208
18209 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
18210
18211         PR target/25477
18212         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
18213         (BUILT_IN_NEXTTOWARD): Remove.
18214         (BUILT_IN_NEXTTOWARDF): Ditto.
18215         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
18216         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
18217
18218 2008-02-27  Tom Tromey  <tromey@redhat.com>
18219
18220         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
18221         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
18222
18223 2008-02-27  Jan Beulich  <jbeulich@novell.com>
18224
18225         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
18226         update the respective field on newdecl.
18227
18228 2008-02-27  Revital Eres  <eres@il.ibm.com>
18229
18230         PR rtl-optimization/34999
18231         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
18232         crossing edges that ends with a call insn.
18233         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
18234         call insn and clear the EDGE_CROSSING flag of the crossing edge
18235         when fixing fallthru edges.
18236
18237 2008-02-27  Richard Guenther  <rguenther@suse.de>
18238
18239         PR middle-end/35390
18240         * fold-const.c (fold_unary): Return the correct argument,
18241         converted to the result type.
18242
18243 2008-02-27  Richard Guenther  <rguenther@suse.de>
18244
18245         PR middle-end/34971
18246         * expr.c (expand_expr_real_1): Assert on rotates that operate
18247         on partial modes.
18248         * fold-const.c (fold_binary): Use the types precision, not the
18249         bitsize of the mode if folding rotate expressions.  Build rotates
18250         only for full modes.
18251
18252 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
18253
18254         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
18255         and CPP_PRAGMA_EOL.
18256         * c-pragma.c (pragma_ns_name): New typedef.
18257         (registered_pp_pragmas): New variable.
18258         (c_pp_lookup_pragma): New function.
18259         (c_register_pragma_1): If flag_preprocess_only, do nothing
18260         for non-expanded pragmas, for expanded ones push pragma's
18261         namespace and name into registered_pp_pragmas vector.
18262         (c_invoke_pragma_handler): Register OpenMP pragmas even when
18263         flag_preprocess_only, don't register GCC pch_preprocess
18264         pragma if flag_preprocess_only.
18265         * c-opts.c (c_common_init): Call init_pragma even if
18266         flag_preprocess_only.
18267         * c-pragma.c (c_pp_lookup_pragma): New prototype.
18268         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
18269         cpp_register_pragma if flag_preprocess_only.
18270
18271 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18272
18273         PR c/28800
18274         * c-parser.c (c_parser_translation_unit): Warn for empty
18275         translation unit, not empty source file.
18276
18277 2008-02-26  Paul Brook  <paul@codesourcery.com>
18278
18279         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
18280         operand for Thumb-2.
18281         * config/arm/arm.h (reg_class): Add CORE_REGS.
18282         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
18283         (BASE_REG_CLASS): Use CORE_REGS.
18284         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
18285         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
18286         (REGNO_OK_FOR_INDEX_P): Exclude SP.
18287         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
18288         ARM_REGNO_OK_FOR_INDEX_P.
18289         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
18290         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
18291         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
18292         (ldm/stm peepholes): Ditto.
18293         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
18294         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
18295         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
18296         * config/arm/constraints.md: Enable "k" constraint on ARM.
18297
18298 2008-02-27  Ben Elliston  <bje@au.ibm.com>
18299
18300         * config/rs6000/rs6000.c: Annotate cache line size field in all
18301         instances of struct processor_costs.
18302
18303 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
18304
18305         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
18306         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
18307         jump_bypass): New counters.
18308         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
18309         * dce.c (gate_ud_dce): Same.
18310         (gate_fast_dce): Same.
18311         * dse.c (gate_dse1): New function.
18312         (gate_dse2): New function.
18313         (gate_dse): Merge results of new gate functions.
18314         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
18315         (gate_handle_jump_bypass): Add dbg_cnt.
18316         (gate_handle_gcse): Add dbg_cnt.
18317         * ifcvt.c (gate_handle_if_conversion): Same.
18318         (gate_handle_if_after_combine): Same.
18319         (gate_handle_if_after_reload): Same.
18320         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
18321
18322 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
18323
18324         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
18325         line sizes.
18326         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
18327
18328 2008-02-26  Jason Merrill  <jason@redhat.com>
18329
18330         PR c++/35315
18331         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
18332         alone if it's the naming decl for the type's main variant.
18333
18334 2008-02-26  Tom Tromey  <tromey@redhat.com>
18335
18336         * system.h (USE_MAPPED_LOCATION): Poison.
18337         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
18338         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
18339         (make_goto_expr_edges): Likewise.
18340         (remove_bb): Likewise.
18341         (execute_warn_function_return): Likewise.
18342         * basic-block.h (struct edge_def) <goto_locus>: Change type to
18343         location_t.
18344         * c-common.c (fname_decl): Remove old location code.
18345         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
18346         location code.
18347         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
18348         variant.
18349         (ASM_INPUT_SOURCE_LOCATION): Likewise.
18350         (gen_rtx_ASM_INPUT): Likewise.
18351         (gen_rtx_ASM_INPUT_loc): Likewise.
18352         (get_rtx_asm_OPERANDS): Remove.
18353         * cfglayout.c (insn_locators_alloc): Remove old location code.
18354         (set_curr_insn_source_location): Likewise.
18355         (curr_insn_locator): Likewise.
18356         * print-tree.c (print_node): Remove old location code.
18357         * tree-mudflap.c (mf_varname_tree): Remove old location code.
18358         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
18359         * cfgexpand.c (expand_gimple_cond_expr): Don't use
18360         location_from_locus.
18361         (construct_exit_block): Remove old location code.
18362         * emit-rtl.c (force_next_line_note): Remove old location code.
18363         * profile.c (branch_prob): Remove old location code.
18364         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
18365         LOC_LINE): Remove old-location variants.
18366         * langhooks.c (lhd_print_error_function): Remove old location
18367         code.
18368         * configure, config.in: Rebuilt.
18369         * configure.ac (--enable-mapped-location): Remove.
18370         * c-decl.c (c_init_decl_processing): Remove old location code.
18371         (finish_function): Likewise.
18372         * recog.c (decode_asm_operands): Remove old location code.
18373         * c-pch.c (c_common_read_pch): Remove old location code.
18374         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
18375         variants.
18376         * gimple-low.c (lower_function_body): Remove old location code.
18377         * toplev.c (unknown_location): Remove.
18378         (push_srcloc): Remove old-location variant.
18379         (process_options): Remove old location code.
18380         (lang_dependent_init): Likewise.
18381         * input.h (UNKNOWN_LOCATION): Move definition.
18382         (location_t): Undeprecate.
18383         (source_locus): Remove.
18384         (location_from_locus): Remove.
18385         (struct location_s): Remove.
18386         Remove all old-location code.
18387         (input_line, input_filename): Remove.
18388         * final.c (final_scan_insn): Remove old location code.
18389         * diagnostic.c (diagnostic_build_prefix): Remove
18390         USE_MAPPED_LOCATION test.
18391         * tree.h (gimple_stmt) <locus>: Now a location_t.
18392         (tree_exp) <locus>: Likewise.
18393         (DECL_IS_BUILTIN): Remove old-location variant.
18394         (annotate_with_file_line, annotate_with_locus): Likewise.
18395         (expr_locus, set_expr_locus): Update.
18396         * tree.c (build1_stat): Remove old location code.
18397         (last_annotated_node): Remove.
18398         (annotate_with_file_line): Remove old-location variant.
18399         (annotate_with_locus): Likewise.
18400         (expr_location): Remove old location code.
18401         (set_expr_location): Likewise.
18402         (expr_has_location): Likewise.
18403         (expr_locus): Likewise.
18404         (set_expr_locus): Likewise.
18405         (expr_filename): Don't use location_from_locus.
18406         (expr_lineno): Likewise.
18407         * rtl-error.c (location_for_asm): Remove old location code.
18408         * c-lex.c (cb_line_change): Remove old location code.
18409         (fe_file_change): Likewise.
18410         (cb_def_pragma): Likewise.
18411         (c_lex_with_flags): Likewise.
18412         * gengtype.c (do_typedef): Don't special-case location types.
18413         (define_location_structures): Remove.
18414         (main): Don't call define_location_structures.
18415         * tree-pretty-print.c (dump_implicit_edges): Remove old location
18416         code.
18417
18418 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18419
18420         PR 26264
18421         * builtins.def (BUILT_IN_STDARG_START): Remove.
18422         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
18423         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
18424         * tree-inline.c (inline_forbidden_p_1): Likewise.
18425
18426 2008-02-26  Richard Guenther  <rguenther@suse.de>
18427
18428         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18429         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18430         (lookup_decl_from_uid): Declare.
18431         (remove_decl_from_map): Likewise.
18432         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18433         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18434         (decl_for_uid_map): New global hashtable mapping DECL_UID
18435         to the decl tree.
18436         (init_ttree): Allocate it.
18437         (insert_decl_to_uid_decl_map): New helper function.
18438         (make_node_stat): Insert new decls into the map.
18439         (copy_node_stat): Likewise.
18440         (lookup_decl_from_uid): New function.
18441         (remove_decl_from_map): Likewise.
18442         (print_decl_for_uid_map_statistics): New helper.
18443         (dump_tree_statistics): Call it.
18444
18445         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18446         (referenced_var_iterator): Adjust.
18447         (FOR_EACH_REFERENCED_VAR): Adjust.
18448         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18449         (num_referenced_vars): Adjust.
18450         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18451         (first_referenced_var): Remove.
18452         (end_referenced_vars_p): Likewise.
18453         (next_referenced_var): Likewise.
18454         (referenced_var_iterator_set): New helper function.
18455         * tree-dfa.c (referenced_var_lookup): Adjust.
18456         (referenced_var_check_and_insert): Likewise.
18457         (remove_referenced_var): Likewise.
18458         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18459         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18460         (verify_call_clobbering): Likewise.
18461         (verify_memory_partitions): Likewise.
18462         (init_tree_ssa): Allocate bitmap instead of hashtable for
18463         referenced_vars.
18464         (delete_tree_ssa): Adjust.
18465         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18466         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18467         (compute_tag_properties): Likewise.
18468         (set_initial_properties): Likewise.
18469         (find_partition_for): Likewise.
18470         (update_reference_counts): Likewise.
18471         (dump_may_aliases_for): Likewise.
18472         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18473         (add_call_clobber_ops): Likewise.
18474         (add_call_read_ops): Likewise.
18475         (get_asm_expr_operands): Likewise.
18476         * tree-into-ssa.c (dump_decl_set): Likewise.
18477         (update_ssa): Likewise.
18478         * tree-sra.c (scan_function): Likewise.
18479         (decide_instantiations): Likewise.
18480         (scalarize_parms): Likewise.
18481         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18482         (dsa_named_for): Likewise.
18483         * tree-ssa-structalias.c (update_alias_info): Likewise.
18484         (merge_smts_into): Likewise.
18485
18486 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18487
18488         PR 34351
18489         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
18490         * c-opts.c (c_common_handle_option): Wall enables
18491         Wvolatile-register-var.
18492         * common.opt: Move Wvolatile-register-var to...
18493         * c.opt: ...here.
18494
18495 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18496
18497         * common.opt (Wlarger-than=): New.
18498         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
18499         -Wlarger-than=.
18500         * opts.c (common_handle_option): Handle -Wlarger-than=.
18501         * optc-gen.awk: Likewise.
18502         * opth-gen.awk: Likewise.
18503         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
18504         * tree-optimize.c (tree_rest_of_compilation): Likewise.
18505
18506 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18507
18508         * c-common.c (match_case_to_enum_1): Add appropriate
18509         OPT_W* parameter to warning.
18510         (c_do_switch_warnings): Likewise.
18511         * c-typeck.c (warning_init): Add one more parameter following
18512         'warning' function.
18513         (push_init_level): Update call to warning_init.
18514         (pop_init_level): Likewise.
18515         (add_pending_init): Likewise.
18516         (output_init_element: Likewise.
18517
18518 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18519
18520         PR 28322
18521         * toplev.c (toplev_main): If there are warnings or error, print
18522         errors for ignored options.
18523         * opts.c (ignored_options): New static variable.
18524         (postpone_unknown_option_error): New.
18525         (print_ignored_options): New.
18526         (handle_option): Postpone errors for unknown -Wno-* options.
18527         * opts.h (print_ignored_options): Declare.
18528
18529 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
18530
18531         * config/mips/mips.md (loadgp_blockage, blockage): Change type
18532         to "ghost".
18533
18534 2008-02-25  Richard Guenther  <rguenther@suse.de>
18535
18536         Revert:
18537         2008-02-25  Richard Guenther  <rguenther@suse.de>
18538
18539         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18540         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18541         (lookup_decl_from_uid): Declare.
18542         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18543         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18544         (decl_for_uid_map): New global hashtable mapping DECL_UID
18545         to the decl tree.
18546         (init_ttree): Allocate it.
18547         (insert_decl_to_uid_decl_map): New helper function.
18548         (make_node_stat): Insert new decls into the map.
18549         (copy_node_stat): Likewise.
18550         (lookup_decl_from_uid): New function.
18551         (print_decl_for_uid_map_statistics): New helper.
18552         (dump_tree_statistics): Call it.
18553
18554         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18555         (referenced_var_iterator): Adjust.
18556         (FOR_EACH_REFERENCED_VAR): Adjust.
18557         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18558         (num_referenced_vars): Adjust.
18559         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18560         (first_referenced_var): Remove.
18561         (end_referenced_vars_p): Likewise.
18562         (next_referenced_var): Likewise.
18563         (referenced_var_iterator_set): New helper function.
18564         * tree-dfa.c (referenced_var_lookup): Adjust.
18565         (referenced_var_check_and_insert): Likewise.
18566         (remove_referenced_var): Likewise.
18567         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18568         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18569         (verify_call_clobbering): Likewise.
18570         (verify_memory_partitions): Likewise.
18571         (init_tree_ssa): Allocate bitmap instead of hashtable for
18572         referenced_vars.
18573         (delete_tree_ssa): Adjust.
18574         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18575         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18576         (compute_tag_properties): Likewise.
18577         (set_initial_properties): Likewise.
18578         (find_partition_for): Likewise.
18579         (update_reference_counts): Likewise.
18580         (dump_may_aliases_for): Likewise.
18581         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18582         (add_call_clobber_ops): Likewise.
18583         (add_call_read_ops): Likewise.
18584         (get_asm_expr_operands): Likewise.
18585         * tree-into-ssa.c (dump_decl_set): Likewise.
18586         (update_ssa): Likewise.
18587         * tree-sra.c (scan_function): Likewise.
18588         (decide_instantiations): Likewise.
18589         (scalarize_parms): Likewise.
18590         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18591         (dsa_named_for): Likewise.
18592         * tree-ssa-structalias.c (update_alias_info): Likewise.
18593         (merge_smts_into): Likewise.
18594
18595 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
18596
18597         PR fortran/29549
18598         * doc/invoke.texi (-fcx-limited-range): Document new option.
18599         * toplev.c (process_options): Handle -fcx-fortran-rules.
18600         * common.opt: Add documentation for -fcx-fortran-rules.
18601
18602 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
18603
18604         PR c/35162
18605         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
18606         actual behaviour and C99.
18607
18608 2008-02-26  Ben Elliston  <bje@au.ibm.com>
18609
18610         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
18611         (ASM_CPU_POWER6_SPEC): Likewise.
18612         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
18613         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
18614         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
18615
18616 2008-02-25  Richard Guenther  <rguenther@suse.de>
18617
18618         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18619         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18620         (lookup_decl_from_uid): Declare.
18621         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18622         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18623         (decl_for_uid_map): New global hashtable mapping DECL_UID
18624         to the decl tree.
18625         (init_ttree): Allocate it.
18626         (insert_decl_to_uid_decl_map): New helper function.
18627         (make_node_stat): Insert new decls into the map.
18628         (copy_node_stat): Likewise.
18629         (lookup_decl_from_uid): New function.
18630         (print_decl_for_uid_map_statistics): New helper.
18631         (dump_tree_statistics): Call it.
18632
18633         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18634         (referenced_var_iterator): Adjust.
18635         (FOR_EACH_REFERENCED_VAR): Adjust.
18636         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18637         (num_referenced_vars): Adjust.
18638         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18639         (first_referenced_var): Remove.
18640         (end_referenced_vars_p): Likewise.
18641         (next_referenced_var): Likewise.
18642         (referenced_var_iterator_set): New helper function.
18643         * tree-dfa.c (referenced_var_lookup): Adjust.
18644         (referenced_var_check_and_insert): Likewise.
18645         (remove_referenced_var): Likewise.
18646         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18647         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18648         (verify_call_clobbering): Likewise.
18649         (verify_memory_partitions): Likewise.
18650         (init_tree_ssa): Allocate bitmap instead of hashtable for
18651         referenced_vars.
18652         (delete_tree_ssa): Adjust.
18653         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18654         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18655         (compute_tag_properties): Likewise.
18656         (set_initial_properties): Likewise.
18657         (find_partition_for): Likewise.
18658         (update_reference_counts): Likewise.
18659         (dump_may_aliases_for): Likewise.
18660         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18661         (add_call_clobber_ops): Likewise.
18662         (add_call_read_ops): Likewise.
18663         (get_asm_expr_operands): Likewise.
18664         * tree-into-ssa.c (dump_decl_set): Likewise.
18665         (update_ssa): Likewise.
18666         * tree-sra.c (scan_function): Likewise.
18667         (decide_instantiations): Likewise.
18668         (scalarize_parms): Likewise.
18669         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18670         (dsa_named_for): Likewise.
18671         * tree-ssa-structalias.c (update_alias_info): Likewise.
18672         (merge_smts_into): Likewise.
18673
18674 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
18675
18676         PR target/35258
18677         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
18678         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
18679         * alias.h (nonoverlapping_memrefs_p): Likewise.
18680
18681 2008-02-25  Jan Beulich  <jbeulich@novell.com>
18682
18683         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
18684         * config/i386/netware-libgcc.exp: Add __bswap?i2,
18685         __emultls_get_address, __emultls_register_common,
18686         __floatundi?f, and _Unwind_GetIPInfo.
18687         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
18688         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
18689         (gen_regparm_prefix): Likewise.
18690         (i386_nlm_encode_section_info): Sync with
18691         config/i386/winnt.c:i386_pe_encode_section_info().
18692         (i386_nlm_maybe_mangle_decl_assembler_name): New.
18693         i386_nlm_mangle_decl_assembler_name): New.
18694         (netware_override_options): New.
18695         * config/i386/netware.h (netware_override_options): Declare.
18696         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
18697         (i386_nlm_mangle_decl_assembler_name): Declare.
18698         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
18699
18700 2008-02-25  Ben Elliston  <bje@au.ibm.com>
18701
18702         PR other/32948
18703         * c-decl.c (grokdeclarator): Remove unused local variables
18704         `typedef_type' and `type_as_written'.
18705         * bb-reorder.c
18706         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
18707         unused local variable `has_hot_blocks'.
18708         (fix_crossing_conditional_branches): Remove unused local variable
18709         `prev_bb'.
18710
18711 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
18712
18713         PR middle-end/19984
18714         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
18715         using DEF_C99_BUILTIN.
18716         (BUILT_IN_NANF): Ditto.
18717         (BUILT_IN_NANL): Ditto.
18718
18719 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
18720             Revital Eres  <eres@il.ibm.com>
18721
18722         * modulo-sched.c (calculate_must_precede_follow): Address TODO
18723         regarding the order of two dependent insns in the same row.
18724
18725 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
18726
18727         * stor-layout.c (layout_decl): Do not bump the alignment of a
18728         bit-field to more than byte alignment if it is packed.
18729
18730 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
18731
18732         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
18733         e300c2 and e300c3.
18734
18735 2008-02-24  Diego Novillo  <dnovillo@google.com>
18736
18737         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
18738
18739         PR 33738
18740         * tree-vrp.c (vrp_evaluate_conditional): With
18741         -Wtype-limits, emit a warning when comparing against a
18742         constant outside the natural range of OP0's type.
18743         * c.opt (Wtype-limits): Move ...
18744         * common.opt (Wtype-limits): ... here.
18745
18746 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
18747
18748         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
18749         * config/rs6000/e300c2c3.md: New file.
18750         * config/rs6000/rs6000.c (processor_costs): Add new costs for
18751         e300c2 and e300c3.
18752         (rs6000_override_options): Add e300c2 and e300c3 cases to
18753         processor_target_table. Do not allow usage of Altivec or Spe
18754         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
18755         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
18756         * config/rs6000/rs6000.h (processor_type): Add
18757         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
18758         (ASM_CPU_SPEC): Add e300c2 and e300c3.
18759         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
18760         and ppce300c3. Include e300c2c3.md.
18761
18762 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
18763
18764         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
18765         instead of TARGET_STRICT_ALIGN.
18766
18767 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
18768
18769         * explow.c (memory_address): Assert that the generated address is
18770         valid.
18771
18772 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
18773
18774         PR target/25477
18775         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
18776         * config/darwin-ppc-ldouble-patch.def: New file.
18777         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
18778         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
18779         SUBTARGET_INIT_BUILTINS if defined.
18780         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
18781         New functions.
18782
18783 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18784
18785         PR rtl-opt/33512
18786         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
18787         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
18788
18789 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18790
18791         PR pch/35027
18792         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
18793         file" warning condtional on -Winvalid-PCH.
18794
18795 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
18796
18797         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
18798
18799 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
18800
18801         PR target/22076
18802         PR target/34256
18803         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
18804         prevent reload from using MMX registers.
18805         (*mov<mode>_internal): Ditto.
18806         (*movv2sf_internal_rex64): Ditto.
18807         (*movv2sf_internal): Ditto.
18808
18809 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18810
18811         PR documentation/31569
18812         * doc/install.texi2html: Use makeinfo --no-number-sections.
18813
18814 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18815
18816         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
18817         ensure that we can address an entire entity > 8 bytes.  Don't
18818         generate reg+reg addressing for such data.
18819
18820 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18821
18822         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
18823         strings when optimizing for size, unless the target cares about
18824         alignment.
18825
18826 2008-02-22  Tom Tromey  <tromey@redhat.com>
18827
18828         * regclass.c (current_pass): Remove declaration.
18829
18830 2008-02-22  Anatoly Sokolov <aesok@post.ru>
18831
18832         * config/avr/libgcc.S (__RAMPZ__): Define.
18833         (__do_copy_data): Add for devices with 128KB code memory.
18834
18835 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18836
18837         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
18838         Use spe_abi.
18839         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
18840
18841 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
18842
18843         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
18844         GENNONACR_REGS.
18845
18846 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18847
18848         PR c/19999
18849         * c-typeck.c (build_binary_op): Warn about floating point
18850         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
18851
18852 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
18853
18854         PR target/34526
18855         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
18856         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
18857         add vrsave.
18858         (rs6000_override_options): Set altivec_abi as default, not override,
18859         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
18860         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
18861         is used; use new member spe_abi.
18862         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
18863         spe_abi and altivec_abi.
18864
18865 2008-02-22  Tomas Bily  <tbily@suse.cz>
18866
18867         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
18868
18869 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18870
18871         PR bootstrap/35273
18872         * config.build (build_file_translate): Set to `CMD //c' only if
18873         it works.
18874         * Makefile.in (build_file_translate): Improve comment.
18875
18876 2008-02-21  Jan Hubicka  <jh@suse.cz>
18877
18878         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
18879         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
18880         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
18881
18882 2008-02-21  Michael Matz  <matz@suse.de>
18883
18884         PR target/35264
18885         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
18886
18887 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
18888
18889         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
18890         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
18891         as insn constraint.
18892         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
18893         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
18894         SSE_VEC_FLOAT_MODE_P as insn constraint.
18895         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
18896         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
18897         sse4a_movntdf using MODEF mode iterator.
18898         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
18899         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
18900         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
18901         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
18902         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
18903         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
18904         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
18905
18906 2008-02-21  Richard Guenther  <rguenther@suse.de>
18907
18908         * tree.def (PAREN_EXPR): New tree code.
18909         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
18910         and PAREN_EXPR.
18911         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
18912         * expr.c (expand_expr_real_1): Likewise.
18913         * tree-inline.c (estimate_num_insns_1): Likewise.
18914         * tree-complex.c (expand_complex_move): Likewise.
18915         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
18916         as plain x.
18917
18918 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18919
18920         PR target/35225
18921         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
18922
18923 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18924
18925         PR target/35190
18926         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
18927
18928         * config/sh/sh.c (find_barrier): Don't go past
18929         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
18930
18931 2008-02-20  DJ Delorie  <dj@redhat.com>
18932
18933         * config/h8300/h8300.md (insv): Force source operand to be a register.
18934
18935         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
18936         as a jump, not as a plain insn.
18937
18938 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
18939
18940         * doc/invoke.texi (Warning Options): Add new option
18941         -Wframe-larger-than=.
18942         (-Wframe-larger-than): Document.
18943
18944         * flags.h (warn_frame_larger_than, frame_larger_than_size):
18945         Add declarations for new option variables.
18946
18947         * final.c (final_start_function): Check the frame size
18948         before emission and issue a Wframe-larger-than warning.
18949
18950         * opts.c (warn_frame_larger_than, frame_larger_than_size):
18951         Add definitions for new option variables.
18952         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
18953
18954         * common.opt (Wframe-larger-than=): New option.
18955
18956 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18957
18958         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
18959         (<sse>_div<mode>3): Ditto.
18960         (<sse>_vmdiv<mode>3): Ditto.
18961         (<sse>_vmsqrt<mode>2): Ditto.
18962         (*smax<mode>3): Ditto.
18963         (sse5_frcz<mode>2): Ditto.
18964         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
18965         as insn constraint.
18966
18967 2008-02-20  Richard Guenther  <rguenther@suse.de>
18968
18969         PR middle-end/35265
18970         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
18971         be happy with INTEGRAL_TYPE_P.
18972
18973 2008-02-20  Richard Guenther  <rguenther@suse.de>
18974
18975         * fold-const.c (split_tree): Associate floatig-point expressions
18976         if flag_associative_math is set.
18977
18978 2008-02-20  Richard Guenther  <rguenther@suse.de>
18979
18980         * tree.h (fold_real_zero_addition_p): Declare.
18981         * fold-const.c (fold_real_zero_addition_p): Export.
18982         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
18983         floating-point operations with zero and one.
18984
18985 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
18986
18987         * doc/install.texi: Correct references to CFLAGS, replacing them
18988         with BOOT_CFLAGS.  Document flags used during bootstrap for
18989         target libraries.
18990
18991 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18992
18993         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
18994         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
18995         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
18996         insn constraint.
18997         (smin<mode>3): Ditto from similar patterns.
18998         (smax<mode>3): Ditto.
18999         (*ieee_smin<mode>3): Ditto.
19000         (*ieee_smax<mode>3): Ditto.
19001         * config/i386/sse.md (sse): New mode attribute.
19002         (mov<mode>): Macroize expander from movv4sf and movv2df using
19003         SSEMODEF2P mode iterator.
19004         (<sse>_movnt<mode>): Ditto from similar patterns. Use
19005         SSE_VEC_FLOAT_MODE_P as insn constraint.
19006         (storent<mode>): Ditto.
19007         (storent<mode>): Macroize expander from storentsf and storentdf using
19008         MODEF mode iterator.
19009         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
19010         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
19011         (abs<mode>2): Ditto from similar patterns.
19012         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
19013         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
19014         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
19015         (<sse>_vmsqrt<mode>2): Ditto.
19016         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
19017         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
19018         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
19019         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
19020         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
19021         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
19022         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
19023         insn constraint.
19024         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
19025         iterator and SSE_FLOAT_MODE_P as insn constraint.
19026         (<sse>_ucomi): Ditto from similar patterns.
19027         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
19028         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
19029         SSE_VEC_FLOAT_MODE_P as insn constraint.
19030         (vcond<mode>): Ditto from similar patterns.
19031         (and<mode>3, *and<mode>3): Ditto.
19032         (<sse>_nand<mode>3): Ditto.
19033         (ior<mode>3, *ior<mode>3): Ditto.
19034         (xor<mode>3, *xor<mode>3): Ditto.
19035         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
19036         iterator and SSE_FLOAT_MODE_P as insn constraint.
19037         (*nand<mode>3): Ditto from similar patterns.
19038         (*ior<mode>3): Ditto.
19039         (*xor<mode>3): Ditto.
19040
19041 2008-02-20  Ira Rosen  <irar@il.ibm.com>
19042
19043         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
19044         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
19045         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
19046
19047 2008-02-19  Jan Hubicka  <jh@suse.cz>
19048
19049         * predict.c (tree_bb_level_predictions): Remove variable next
19050         mistakely introduced by previous commit.
19051
19052 2008-02-19  Jan Hubicka  <jh@suse.cz>
19053
19054         * predict.c (predict_paths_leading_to): Rewrite.
19055         (predict_paths_for_bb): New.
19056         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
19057
19058 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19059
19060         PR bootstrap/35218
19061         * Makefile.in (build_file_translate): New.
19062         (gcc-vers.texi): Use it for translating $(abs_srcdir).
19063         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
19064         * configure.ac (build_file_translate): Substitute it.
19065         * configure: Regenerate.
19066
19067 2008-02-19  Jan Hubicka  <jh@suse.cz>
19068
19069         PR rtl-optimization/34408
19070         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
19071         invalid sharing.
19072
19073 2008-02-19  Jan Hubicka  <jh@suse.cz>
19074
19075         PR middle-end/28779
19076         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
19077         call_expr.
19078
19079 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
19080
19081         PR Ada/35186
19082         * config/i386/i386-modes.def: Revert the last DI alignment
19083         change until Ada people can look into it.
19084
19085 2008-02-19  Nick Clifton  <nickc@redhat.com>
19086
19087         * opts.c (print_specific_help): Fix typo in --help text.
19088
19089 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
19090
19091         PR target/35239
19092         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
19093         32-bit inline asm without asm alternatives for host GCC < 3.0.
19094
19095 2008-02-19  Richard Guenther  <rguenther@suse.de>
19096
19097         PR tree-optimization/34989
19098         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
19099         Allow propagation to INDIRECT_REF if we can simplify only.
19100
19101 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19102
19103         * c-common.c (warn_for_collisions_1): Use appropriate option when
19104         warning.
19105
19106 2008-02-19  Nick Clifton  <nickc@redhat.com>
19107
19108         PR other/31349
19109         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
19110         (handle_options): Fix indentation.
19111         (print_filtered_help): If no language-specific options were
19112         displayed tell the user how to list all the options supported by
19113         the language's front-end.
19114         (print_specific_help): Fix indentation and remove duplicate line.
19115         (common_handle_option): Handle the -v option.
19116         For --help enable the display of undocumented options if the -v
19117         switch has been included on the command line.
19118         For --help= check for overlaps in the arguments between the option
19119         classes and the language names and issue a warning when they
19120         cannot be disambiguated.
19121         * c.opt (v): Pass on to the common option handler.
19122
19123 2008-02-19  Revital Eres  <eres@il.ibm.com>
19124
19125         * modulo-sched.c (sms_schedule): Change dump message when
19126         create_ddg function fails.
19127         (try_scheduling_node_in_cycle): Rename row to cycle.
19128         (print_partial_schedule): Rename CYCLE to ROW.
19129
19130 2008-02-19  Christian Bruel  <christian.bruel@st.com>
19131             Zdenek Dvorak  <ook@ucw.cz>
19132
19133         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
19134
19135 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
19136
19137         PR target/33555
19138         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
19139         (*x86_movdicc_0_m1_se): Ditto.
19140
19141 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
19142
19143         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
19144         (CMPtype): Define as __gcc_CMPtype.
19145         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
19146         (CMPtype): Define as __gcc_CMPtype.
19147
19148 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
19149
19150         Support valgrind 3.3 for --enable-checking=valgrind.
19151         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
19152         here.
19153         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
19154         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
19155         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
19156         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
19157         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
19158         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
19159         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
19160         respectively.
19161         * ggc-zone.c: Similar.
19162         * ggc-page.c: Similar.
19163
19164 2008-02-19  Paul Brook  <paul@codesourcery.com>
19165
19166         PR target/35071
19167         * config/arm/ieee754-df.S: Fix do_it typo.
19168         * config/arm/ieee754-sf.S: Fix do_it typo.
19169
19170 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
19171
19172         PR target/35189
19173         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
19174         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
19175         (OPTION_MASK_ISA_SSE_SET): Likewise.
19176         (OPTION_MASK_ISA_SSE2_SET): Likewise.
19177         (OPTION_MASK_ISA_SSE3_SET): Likewise.
19178         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
19179         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
19180         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
19181         (OPTION_MASK_ISA_SSE4_SET): Likewise.
19182         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
19183         (OPTION_MASK_ISA_SSE5_SET): Likewise.
19184         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
19185         (OPTION_MASK_ISA_MMX_UNSET): Updated.
19186         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
19187         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
19188         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
19189         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
19190         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
19191         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
19192         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
19193         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
19194         (OPTION_MASK_ISA_SSE4): Removed.
19195         (ix86_handle_option): Turn on bits in ix86_isa_flags and
19196         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
19197         (override_options): Don't turn on implied SSE/MMX bits in
19198         ix86_isa_flags.
19199
19200 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
19201
19202         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
19203         32bit host.
19204
19205 2008-02-18  Joey Ye  <joey.ye@intel.com>
19206
19207         PR middle-end/34921
19208         * tree-nested.c (insert_field_into_struct): Set type alignment
19209         to field alignment if the former is less than the latter.
19210
19211 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
19212
19213         * BASE-VER: Set to 4.4.0.
19214
19215 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
19216
19217         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
19218         * doc/cfg.texi: Likewise.
19219         * doc/extend.texi: Likewise.
19220         * doc/gty.texi: Likewise.
19221         * doc/invoke.texi: Likewise.
19222         * doc/loop.texi: Likewise.
19223         * doc/md.texi: Likewise.
19224         * doc/passes.texi: Likewise.
19225         * doc/rtl.texi: Likewise.
19226         * doc/sourcebuild.texi: Likewise.
19227         * doc/tm.texi: Likewise.
19228         * doc/tree-ssa.texi: Likewise.
19229
19230 2008-02-17  Richard Guenther  <rguenther@suse.de>
19231
19232         PR middle-end/35227
19233         * tree-complex.c (init_parameter_lattice_values): Handle parameters
19234         without default definition.
19235
19236 2008-02-17  Richard Guenther  <rguenther@suse.de>
19237
19238         PR tree-optimization/35231
19239         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
19240         if A | B != 1.
19241
19242 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
19243
19244         Revert:
19245         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19246         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
19247         libgcc_cmp_return mode.
19248
19249 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19250
19251         PR c/28368
19252         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
19253
19254 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
19255
19256         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
19257         multilibs.
19258
19259 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19260
19261         * doc/c-tree.texi: Use `@.' where appropriate.
19262         * doc/extend.texi: Likewise.
19263         * doc/install.texi: Likewise.
19264         * doc/invoke.texi: Likewise.
19265         * doc/loop.texi: Likewise.
19266         * doc/makefile.texi: Likewise.
19267         * doc/md.texi: Likewise.
19268         * doc/passes.texi: Likewise.
19269         * doc/standards.texi: Likewise.
19270         * doc/tm.texi: Likewise.
19271
19272 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
19273
19274         PR middle-end/35196
19275         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
19276         in entry_bb.
19277         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
19278         rather than in entry_bb.
19279
19280 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19281
19282         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
19283         libgcc_cmp_return mode.
19284
19285 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
19286
19287         PR middle-end/35130
19288         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
19289         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
19290
19291 2008-02-15  Richard Guenther  <rguenther@suse.de>
19292             Zdenek Dvorak  <ook@ucw.cz>
19293
19294         PR tree-optimization/35164
19295         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
19296         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
19297         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
19298         Only propagate addresses which do not have abnormal SSA_NAMEs
19299         in their operands.
19300
19301 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
19302
19303         PR target/35088
19304         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
19305
19306 2008-02-15  Jan Hubicka  <jh@suse.cz>
19307
19308         PR middle-end/35149
19309         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
19310
19311 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19312
19313         PR middle-end/34621
19314         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
19315         when calculating alignment_pad.
19316
19317 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
19318
19319         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
19320         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
19321         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
19322         and STACK_BOUNDARY define.
19323
19324 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
19325
19326         PR preprocessor/35061
19327         * c-pragma.c (handle_pragma_pop_macro): Check that
19328         pushed_macro_table has been allocated.
19329
19330 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
19331
19332         PR middle-end/35136
19333         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
19334         (force_gimple_operand): Likewise.
19335         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
19336         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
19337         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
19338         (find_interesting_uses_address): Check addressability and alignment
19339         of the base expression only after substituting bases of IVs into it.
19340
19341 2008-02-14  Michael Matz  <matz@suse.de>
19342
19343         PR target/34930
19344         * function.c (instantiate_virtual_regs_in_insn): Reload address
19345         before falling back to reloading the whole operand.
19346
19347 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
19348
19349         * config/s390/s390.c (s390_mainpool_start): Emit the pool
19350         before the first section switch note.
19351
19352 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
19353
19354         * doc/bugreport.texi: Update copyright years.
19355         * doc/c-tree.texi: Likewise.
19356         * doc/cfg.texi: Likewise.
19357         * doc/cpp.texi: Likewise.
19358         * doc/cppinternals.texi: Likewise.
19359         * doc/fragments.texi: Likewise.
19360         * doc/frontends.texi: Likewise.
19361         * doc/gcc.texi: Likewise.
19362         * doc/gty.texi: Likewise.
19363         * doc/hostconfig.texi: Likewise.
19364         * doc/implement-c.texi: Likewise.
19365         * doc/libgcc.texi: Likewise.
19366         * doc/loop.texi: Likewise.
19367         * doc/makefile.texi: Likewise.
19368         * doc/options.texi: Likewise.
19369         * doc/passes.texi: Likewise.
19370         * doc/rtl.texi: Likewise.
19371         * doc/sourcebuild.texi: Likewise.
19372         * doc/standards.texi: Likewise.
19373         * doc/tree-ssa.texi: Likewise.
19374         * doc/trouble.texi: Likewise.
19375
19376         * doc/extend.texi: Use @: or add comma where appropriate.
19377         * doc/invoke.texi: Likewise.
19378         * doc/tm.texi: Likewise.
19379
19380 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
19381
19382         PR target/34393
19383         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
19384         to a reg.
19385
19386 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
19387
19388         * doc/md.texi (clz, ctz): Add reference.
19389         * doc/rtl.texi (clz, ctz): Likewise.
19390
19391 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19392
19393         PR other/35148
19394         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
19395         srcdir.
19396
19397 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
19398
19399         * config/s390/s390.c (struct constant_pool): New field
19400         emit_pool_after added.
19401         (s390_mainpool_start): Set the emit_pool_after flag according
19402         to the section switch notes.
19403         (s390_mainpool_finish): Consider emit_pool_after when emitting
19404         the literal pool at the end of the function.
19405         (s390_chunkify_start): Force literal pool splits at section
19406         switch notes.
19407
19408 2008-02-13  Michael Matz  <matz@suse.de>
19409
19410         PR debug/35065
19411         * var-tracking.c (clobber_variable_part): Correctly traverse the
19412         list.
19413
19414 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19415
19416         PR 29673
19417         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
19418         Add -fdump-ipa-inline.
19419         * tree-dump.c (dump_files): Remove tree-inlined dump.
19420         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
19421
19422 2008-02-12  Richard Guenther  <rguenther@suse.de>
19423
19424         PR tree-optimization/35171
19425         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
19426         default defs.
19427
19428 2008-02-12  Richard Guenther  <rguenther@suse.de>
19429
19430         PR middle-end/35163
19431         * fold-const.c (fold_widened_comparison): Use get_unwidened in
19432         value-preserving mode.  Disallow final truncation.
19433
19434 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
19435
19436         PR middle-end/35136
19437         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
19438         code from here to...
19439         (force_gimple_operand): ...here.
19440
19441 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
19442
19443         PR c++/35144
19444         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
19445         non-compatible pointers.
19446         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
19447         different FIELD_DECLs, try harder by comparing field offsets, sizes
19448         and types.
19449
19450         PR inline-asm/35160
19451         * function.c (match_asm_constraints_1): Don't replace the same input
19452         multiple times.
19453
19454 2008-02-12  Anatoly Sokolov <aesok@post.ru>
19455
19456         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
19457         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
19458         (expand_epilogue): Restore RAMPZ register.
19459         * config/avr/avr.md (RAMPZ_ADDR): New constant.
19460
19461 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
19462
19463         * config/i386/cygwin.asm: (__alloca): Correct calling
19464         convention and alignment.
19465         (__chkstk): Force 8 byte stack alignment.
19466
19467 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
19468             Richard Guenther  <rguenther@suse.de>
19469
19470         PR tree-optimization/33992
19471         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
19472         the zero we compare against.
19473
19474 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
19475
19476         PR libfortran/35063
19477         * gthr-win32.h (__gthread_mutex_destroy_function): New function
19478         to CloseHandle after unlocking to prevent accumulation of handle
19479         count.
19480
19481 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19482
19483         PR middle_end/34150
19484         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
19485         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
19486         and update LABEL_NUSES during and after reload.
19487
19488 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
19489
19490         PR middle-end/34627
19491         * combine.c (simplify_if_then_else): Make sure the comparison is
19492         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
19493
19494 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
19495
19496         PR bootstrap/35051
19497         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
19498         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
19499         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
19500         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
19501         * tree.h (get_type_static_bounds): Likewise.
19502
19503 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19504
19505         * doc/invoke.texi (Option Summary, C++ Dialect Options)
19506         (Objective-C and Objective-C++ Dialect Options, Warning Options):
19507         Make -Wfoo language annotations match what the compiler outputs.
19508
19509 2008-02-08  Sa Liu  <saliu@de.ibm.com>
19510
19511         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
19512         intrinsics spu_convts, spu_convtu, spu_convtf.
19513
19514 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
19515
19516         * doc/extend.texi (Function Attributes) <noinline>: Mention
19517         asm ("") as method to keep calls.
19518
19519 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19520
19521         PR other/32754
19522         * doc/options.texi (Options): Replace references to opts.sh with
19523         optc-gen.awk.
19524         * opts-common.c: Likewise.
19525         * optc-gen.awk: Likewise.
19526
19527 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
19528
19529         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
19530
19531 2008-02-07  Richard Henderson  <rth@redhat.com>
19532
19533         PR rtl-opt/33410
19534         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
19535         EXPR_LIST for the REG_EQUAL instead of a comparison with a
19536         funny mode.
19537
19538 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
19539
19540         PR tree-optimization/35085
19541         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
19542         for operand entry oe2 in addition to operand entry oe3 in order to
19543         expose more opportunities for vectorizer sum reduction.
19544
19545 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19546
19547         PR other/35107
19548         * Makefile.in (LIBS): Remove $(GMPLIBS).
19549         (cc1-dummy, cc1): Add $(GMPLIBS).
19550
19551 2008-02-06  Jan Hubicka  <jh@suse.cz>
19552
19553         PR target/23322
19554         * i386.md (moddf_integer): Do not produce partial memory stalls for
19555         targets where it hurts.
19556
19557 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
19558
19559         PR target/35083
19560         * optabs.c (expand_float): Do not check for decimal modes when
19561         expanding unsigned integer through signed conversion.
19562
19563 2008-02-06  Nick Clifton  <nickc@redhat.com>
19564
19565         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
19566         inside the clobber with a match_operand and duplicated operand
19567         number in the constraint.
19568         (ineqbranchsi): Delete redundant comment.
19569
19570 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
19571
19572         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
19573         builtin_define ("__USE_INIT_FINI__").
19574         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
19575         -msx multilibs.
19576         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
19577
19578 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19579
19580         PR documentation/30330
19581         * doc/invoke.texi (C++ Dialect Options)
19582         (Objective-C and Objective-C++ Dialect Options, Warning Options):
19583         For each warning option -Wfoo that allows -Wno-foo, ensure both
19584         -Wfoo and -Wno-foo are listed in the option index.  Fix index
19585         entry of -Wswitch-default, index -Wnormalized= including the
19586         `=', and -Wlarger-than-@var{len} including @var{len}.
19587
19588 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
19589
19590         * config/i386/i386.md (floatunssisf2): Use
19591         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
19592         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
19593         Macroize expander using MODEF mode iterator.
19594
19595 2008-02-05  Diego Novillo  <dnovillo@google.com>
19596
19597         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
19598
19599         PR 33738
19600         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
19601
19602 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19603
19604         PR other/35070
19605         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
19606
19607 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
19608
19609         PR target/35084
19610         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
19611         to indicate if a message should be generated.
19612         (init_cumulative_args): Updated.
19613         (function_value_32): Likewise.
19614
19615 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
19616
19617         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
19618
19619 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
19620
19621         PR target/35083
19622         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
19623         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
19624
19625 2008-02-04  Diego Novillo  <dnovillo@google.com>
19626
19627         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
19628
19629         PR 33738
19630         * tree-vrp.c (vrp_evaluate_conditional): With
19631         -Wtype-limits, emit a warning when comparing against a
19632         constant outside the natural range of OP0's type.
19633
19634 2008-02-04  Richard Guenther  <rguenther@suse.de>
19635
19636         PR middle-end/33631
19637         * expr.c (count_type_elements): Give for unions instead of
19638         guessing.
19639
19640 2008-02-04  Richard Guenther  <rguenther@suse.de>
19641
19642         PR middle-end/35043
19643         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
19644         to TYPE_DOMAINs base type instead of using bitsizetype here.
19645
19646 2008-02-03  Jason Merrill  <jason@redhat.com>
19647
19648         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
19649
19650 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19651
19652         PR other/29972
19653         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
19654         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
19655         (RS/6000 and PowerPC Options): Fix typos and markup.
19656         * doc/passes.texi (Tree-SSA passes): Likewise.
19657
19658 2008-02-02  Michael Matz  <matz@suse.de>
19659
19660         PR target/35045
19661         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
19662         from record_last_reg_set_info.
19663         (record_last_reg_set_info): Take an RTX argument, iterate over all
19664         constituent hardregs.
19665         (record_last_set_info, record_opr_changes): Change calls to
19666         new signature or to record_last_reg_set_info_regno.
19667
19668 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
19669
19670         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
19671
19672 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
19673
19674         PR rtl-optimization/34773
19675         * reg-notes.def (EQUAL): Mention significance of combination of
19676         REG_EQUAL and REG_RETVAL.
19677         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
19678         insn that has a REG_RETVAL.
19679
19680 2008-02-01  Roger Sayle  <roger@eyesopen.com>
19681
19682         PR bootstrap/33781
19683         * configure.ac (--enable-fixed-point): Disable unless explicitly
19684         requested on IRIX.
19685         * configure: Regenerate.
19686
19687 2008-02-01  Richard Guenther  <rguenther@suse.de>
19688
19689         PR other/35042
19690         * invoke.texi (-finline-limit): Remove no longer true parts
19691         of the documentation.  Note that there is no default value.
19692
19693 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
19694             Mark Mitchell  <mark@codesourcery.com>
19695             Ben Elliston  <bje@au.ibm.com>
19696
19697         PR c/29326
19698         * doc/extend.texi (Other Builtins): Document.
19699
19700 2008-01-31  Tom Browder <tom.browder@gmail.com>
19701
19702         * doc/c-tree.texi (Types): Fix grammar.
19703         (Expression trees): Ditto.
19704         * doc/passes.texi (Tree-SSA passes): Ditto.
19705
19706         * doc/configterms.texi (Configure Terms): Fix typo.
19707         * doc/cpp.texi (Common Predefined Macros): Ditto.
19708         * doc/md.texi (Machine Constraints): Ditto.
19709
19710         * doc/makefile.texi (Makefile): Add comma.
19711
19712 2008-01-31  Tom Browder  <tom.browder@gmail.com>
19713             Gerald Pfeifer  <gerald@pfeifer.com>
19714
19715         * doc/sourcebuild.texi (Front End): Remove references to CVS
19716         and CVSROOT/modules.
19717         (Texinfo Manuals): Replace reference to CVS by one to SVN.
19718         (Back End): Remove reference to CVS.
19719
19720 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19721
19722         PR target/34900
19723         * config/mips/mips.c (gen_load_const_gp): New function, taking a
19724         comment from...
19725         (mips16_gp_pseudo_reg): ...here.
19726         * config/mips/mips.md (load_const_gp): Replace with...
19727         (load_const_gp_<mode>): ...this :P-based insn.
19728
19729 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19730
19731         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
19732         options. Minor fixes.
19733         (-std): Move reference to standards closer to where language
19734         standards are first mentioned.
19735
19736 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19737
19738         PR rtl-optimization/34995
19739         * reload.c (alternative_allows_const_pool_ref): Take an rtx
19740         parameter and return a bool.  If the rtx parameter is nonnull,
19741         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
19742         (find_reloads): Update call accordingly.  Pass the new operand
19743         if it needed no address reloads, otherwise pass null.
19744
19745 2008-01-30  Richard Henderson  <rth@redhat.com>
19746
19747         PR c/34993
19748         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
19749         for unbounded arrays.
19750
19751 2008-01-30  Silvius Rus  <rus@google.com>
19752
19753         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
19754
19755 2008-01-30  Jan Hubicka  <jh@suse.cz>
19756
19757         PR target/34982
19758         * i386.c (init_cumulative_args): Use real function declaration when
19759         calling locally.
19760
19761 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
19762
19763         PR rtl-optimization/34998
19764         * global.c (build_insn_chain): Treat non-subreg_lowpart
19765         SUBREGs of pseudos as clobbering all the words covered by the
19766         SUBREG, not just all the bytes.
19767         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
19768         original df_ref rather than an extract parameter.
19769         (global_conflicts): Update call accordingly.
19770
19771 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
19772
19773         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
19774         the overflow check to make it easier to read.
19775         (__fixtfdi): Change the type of the ll member in union
19776         long_double to UDItype_x.
19777
19778 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
19779
19780         PR middle-end/34969
19781         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
19782         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
19783         * tree-inline.c (fold_marked_statements): Call
19784         cgraph_update_edges_for_call_stmt if folding a call statement.
19785         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
19786         debug_generic_stmt calls, reset it back afterwards.
19787
19788         PR c/35017
19789         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
19790         static decls.
19791         * c-typeck.c (build_external_ref): Don't pedwarn about
19792         static vars in current function's scope.
19793
19794 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
19795
19796         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
19797
19798 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
19799
19800         PR c/35002
19801         * ipa-struct-reorg.c: Fix spelling.
19802         * params.def: Ditto.
19803
19804 2008-01-29  Richard Guenther  <rguenther@suse.de>
19805
19806         PR middle-end/35006
19807         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
19808         field.
19809         * tree-inline.c (remap_type): Increment remapping_type_depth
19810         around remapping types.
19811         (copy_body_r): Only add referenced variables if they are referenced
19812         from code, not types.
19813
19814 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
19815
19816         PR c++/34055
19817         PR c++/34103
19818         PR c++/34219
19819         PR c++/34606
19820         PR c++/34753
19821         PR c++/34754
19822         PR c++/34755
19823         PR c++/34919
19824         PR c++/34961
19825         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
19826         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
19827
19828 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
19829
19830         PR target/34412
19831         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
19832         pointer for tiny stack.
19833
19834 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19835
19836         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
19837
19838 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19839
19840         * config/vx-common.h: Fix typo in comment.
19841
19842 2008-01-28  Ian Lance Taylor  <iant@google.com>
19843
19844         PR c++/34862
19845         PR c++/33407
19846         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
19847         coalesce pointers if they have different DECL_NO_TBAA_P values.
19848         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
19849         between variables with different DECL_NO_TBAA_P values.
19850
19851 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
19852
19853         PR 31535
19854         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
19855         are not legitimate small data references on SPE targets.
19856
19857 2008-01-28  David Daney  <ddaney@avtrex.com>
19858
19859         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
19860
19861 2008-01-28  David Daney  <ddaney@avtrex.com>
19862
19863         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
19864
19865 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
19866
19867         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
19868         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
19869         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
19870         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
19871         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
19872         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
19873         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
19874         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
19875
19876 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19877
19878         * basic-block.h (condjump_equiv_p): Fix comment.
19879
19880 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19881
19882         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
19883         print_generic_stmt_indented): Fix comment.
19884
19885 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19886
19887         * configure.ac (__stack_chk_fail): Add detecion for availability
19888         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
19889         * configure: Regenerate.
19890
19891 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
19892
19893         PR middle-end/34688
19894         * final.c (output_addr_const): Handle TRUNCATE.
19895
19896 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
19897
19898         PR target/34711
19899         * tree-ssa-loop-ivopts.c (comp_cost): New type.
19900         (zero_cost, infinite_cost): New constants.
19901         (struct cost_pair): Change type of cost to comp_cost.
19902         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
19903         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
19904         New functions.
19905         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
19906         split_address_cost, ptr_difference_cost, difference_cost,
19907         get_computation_cost_at, get_computation_cost,
19908         determine_use_iv_cost_generic, determine_use_iv_cost_address,
19909         determine_use_iv_cost_condition, determine_use_iv_costs,
19910         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
19911         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
19912         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
19913         Change type of cost to comp_cost.
19914         (determine_iv_cost): Increase cost of non-original ivs, instead
19915         of decreasing the cost of original ones.
19916         (get_address_cost): Indicate the complexity of the addressing mode
19917         in comp_cost.
19918         (try_add_cand_for): Prefer using ivs not specific to some object.
19919         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
19920
19921 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
19922             Janis Johnson  <janis187@us.ibm.com>
19923
19924         PR target/34814
19925         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
19926         (TARGET_INSTANTIATE_DECLS): Likewise.
19927         * target.h (expand_to_rtl_hook): New target hook.
19928         (instantiate_decls): Likewise.
19929         * function.c (instantiate_decl): Make non-static.  Rename to...
19930         (instantiate_decl_rtl): ... this.
19931         (instantiate_expr): Use instantiate_decl_rtl.
19932         (instantiate_decls_1): Likewise.
19933         (instantiate_decls): Likewise.
19934         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
19935         * function.h (instantiate_decl_rtl): Add prototype.
19936         * cfgexpand.c (target.h): New include.
19937         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
19938         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
19939         (TARGET_INSTANTIATE_DECLS): Likewise.
19940         (TARGET_INITIALIZER): New target hooks added.
19941         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
19942         New prototype.
19943         * config/rs6000/rs6000.c (tree-flow.h): New include.
19944         (machine_function): Add sdmode_stack_slot field.
19945         (rs6000_alloc_sdmode_stack_slot): New function.
19946         (rs6000_instantiate_decls): Likewise.
19947         (rs6000_secondary_memory_needed_rtx): Likewise.
19948         (rs6000_check_sdmode): Likewise.
19949         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
19950         (TARGET_INSTANTIATE_DECLS): Likewise.
19951         (rs6000_hard_regno_mode_ok): Allow SDmode.
19952         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
19953         (rs6000_emit_move): Handle SDmode.
19954         (function_arg_advance): Likewise.
19955         (function_arg): Likewise.
19956         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
19957         SDmode var args for 32-bit compiles.
19958         (rs6000_secondary_reload_class): Handle SDmode.
19959         (rs6000_output_function_epilogue): Likewise.
19960         (rs6000_function_value): Simplify if statement.
19961         (rs6000_libcall_value): Likewise.
19962         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
19963         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
19964         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
19965         (movsd_hardfloat): New define_insn.
19966         (movsd_softfloat): Likewise.
19967         (movsd_store): Likewise.
19968         (movsd_load): Likewise.
19969         (extendsddd2): Likewise.
19970         (extendsdtd2): Likewise.
19971         (truncddsd2): Likewise.
19972         (movdd_hardfloat64): Fixup comment.
19973         (UNSPEC_MOVSD_LOAD): New constant.
19974         (UNSPEC_MOVSD_STORE): Likewise.
19975
19976 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
19977
19978         PR c++/34965
19979         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
19980         TRUTH_XOR_EXPR.
19981         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
19982         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
19983         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
19984         and TRUTH_XOR_EXPR.
19985
19986 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
19987
19988         PR target/34794
19989         * config.gcc: Separate AIX 5.3 from AIX 6.1.
19990         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
19991         __LONGDOUBLE128 too.
19992         * config/rs6000/aix61.h: New file.
19993
19994 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19995
19996         PR rtl-optimization/34959
19997         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
19998         popcount and parity rtxes the same mode as their operand.
19999         Truncate or extend the result to the return value's mode
20000         if necessary.
20001
20002 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
20003
20004         PR target/34981
20005         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
20006         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
20007         to GOT_VERSION_REGNUM.
20008         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
20009         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
20010         * config/mips/mips.c (mips_emit_call_insn): New function.
20011         (mips_call_tls_get_addr): Call mips_expand_call directly.
20012         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
20013         emit_call_insn.
20014         (mips16_build_call_stub): Likewise.  Return the call insn or null.
20015         (mips_expand_call): Update the call to mips16_build_call_stub
20016         accordingly and a remove redundant condition.  Assert that MIPS16
20017         stubs do not use lazy binding.  Use mips_emit_call_insn and return
20018         the call insn.
20019         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
20020         TARGET_USE_GOT.
20021         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
20022         (mips_avoid_hazard): Remove hazard_set handling.
20023         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
20024         (UNSPEC_RESTORE_GP): ...this.
20025         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
20026         (FAKE_CALL_REGNO): Rename to...
20027         (GOT_VERSION_REGNUM): ...this.
20028         (type): Add "ghost" value.  Add an associated insn reservation.
20029         (hazard_set): Remove.
20030         (exception_receiver): Rename to...
20031         (restore_gp): ...this and update the unspec identifier accordingly.
20032         (exception_receiver, nonlocal_got_receiver): New expanders.
20033         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
20034         FAKE_CALL_REGNO.  Remove hazard_set attribute.
20035         (set_got_version, update_got_version): New patterns.
20036
20037 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
20038
20039         PR target/34970
20040         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
20041
20042 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
20043
20044         PR other/31955
20045         * doc/install.texi2html: Generate gcc-vers.texi.
20046
20047 2008-01-25  DJ Delorie  <dj@redhat.com>
20048
20049         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
20050
20051 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
20052
20053         * config/c4x: Remove directory.
20054         * config.gcc (crx-*, mt-*): Mark obsolete.
20055         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
20056         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
20057         sh-*-rtemscoff*): Remove cases.
20058         * defaults.h (C4X_FLOAT_FORMAT): Remove.
20059         * real.c (encode_c4x_single, decode_c4x_single,
20060         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
20061         c4x_extended_format): Remove.
20062         * real.h (c4x_single_format, c4x_extended_format): Remove.
20063         * doc/extend.texi (interrupt, naked): Remove mention of attributes
20064         on C4x.
20065         (Pragmas): Remove comment about c4x pragmas.
20066         * doc/install.texi (c4x): Remove target-specific instructions.
20067         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
20068         * doc/md.texi (Machine Constraints): Remove C4x documentation.
20069         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
20070         refer to C4x source files as examples.
20071         (C4X_FLOAT_FORMAT): Remove documentation.
20072
20073 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
20074
20075         * config/bfin/bfin.c (override_options): Reorder tests so that
20076         flag_pic gets enabled for -msep-data.
20077
20078 2008-01-25  Richard Guenther  <rguenther@suse.de>
20079
20080         PR middle-end/32244
20081         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
20082         to its bitfield precision if required.
20083
20084 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
20085
20086         PR middle-end/33880
20087         * tree-nested.c (walk_omp_for): New function.
20088         (convert_nonlocal_reference, convert_local_reference): Call
20089         walk_omp_for on OMP_FOR.
20090         (convert_call_expr): Call walk_body on OMP_FOR's
20091         OMP_FOR_PRE_INIT_BODY.
20092
20093 2008-01-25  Richard Guenther  <rguenther@suse.de>
20094
20095         PR tree-optimization/34966
20096         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
20097         default defs and PHI_NODEs we have to insert after the
20098         defining statement.
20099
20100 2008-01-24  Nick Clifton  <nickc@redhat.com>
20101
20102         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
20103         Provide a default definition.
20104         (LIBGCC2_UNITS_PER_WORD): Likewise.
20105
20106         * config/stormy16/stormy16.c: Include df.h for the prototype
20107         for df_regs_ever_live_p.
20108         (xstormy16_expand_builtin_va_start): Convert the stack offset
20109         into a component_ref and then use POINTER_PLUS_EXPR to add it
20110         to the incoming_virtual_args_rtx.
20111         (xstormy16_gimplify_va_arg_expr): Rename to
20112         xstormy16_gimplify_va_arg_expr.
20113         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
20114         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
20115         xstormy16_gimplify_va_arg_expr.
20116         Fix up some formatting issues.
20117
20118         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
20119         Move to predicates.md.
20120         (xs_hi_general_operand): Likewise.
20121         (xs_hi_nonmemory_operand): Likewise.
20122         * config/stormy16/predicates.md:
20123         (xstormy16_carry_plus_operand): New predicate.
20124         (xs_hi_general_operand): New predicate.
20125         (xs_hi_nonmemory_operand): New predicate.
20126         * config/stormy16/stormy16-protos.h:
20127         (xstormy16_carry_plus_operand): Delete prototype.
20128         (xs_hi_general_operand): Likewise.
20129         (xs_hi_nonmemory_operand): Likewise.
20130
20131         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
20132         modifiers as they are no longer needed and they can trigger
20133         reload spill failures.
20134
20135         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
20136         with a match_operand in order to help reload.
20137
20138         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
20139         constraint with 'e' for the 8th alternative as this version of
20140         the mov.w instruction only accepts the lower 8 registers.
20141
20142 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
20143
20144         PR target/34856
20145         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
20146         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
20147         vector elements.
20148
20149 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
20150
20151         PR middle-end/33333
20152         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
20153
20154 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
20155
20156         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
20157         New functions.
20158         (remove_structure): Update allocations list before removing structure.
20159
20160 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
20161
20162         * ipa-struct-reorg.c (is_safe_cond_expr,
20163         create_new_stmts_for_cond_expr): Use integer_zerop function,
20164         that recognize not only zero-pointer, but zero-integer too.
20165
20166 2008-01-25  Ben Elliston  <bje@au.ibm.com>
20167
20168         PR other/22232
20169         * fixproto: Escape "." in sed expression that strips leading "./".
20170
20171 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
20172
20173         PR driver/34904
20174         * gcc.c (SWITCH_OK): Removed.
20175         (SWITCH_LIVE): Changed to bit.
20176         (SWITCH_FALSE): Likewise.
20177         (SWITCH_IGNORE): Likewise.
20178         (switchstr): Change live_cond to unsigned int.
20179         (process_command): Replace SWITCH_OK with 0.
20180         (do_self_spec): Likewise.
20181         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
20182         (give_switch): Likewise.
20183         (used_arg): Likewise.
20184         (do_spec_1): Set the SWITCH_IGNORE bit.
20185         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
20186         bits.  Set the SWITCH_LIVE bit.
20187
20188 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
20189
20190         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
20191
20192 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
20193
20194         PR tree-optimization/34472
20195         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
20196         parameter to a "bool *" and set *DATA to false if there is
20197         an unsafe access.  Do not delete the structure here.
20198         (check_cond_exprs): Delete it here instead.
20199         (check_cond_exprs, exclude_cold_structs): Do not increase
20200         I when removing a structure.
20201
20202 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
20203
20204         PR target/34856
20205         * config/i386/i386.c (ix86_expand_vector_init): Consider only
20206         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
20207
20208 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
20209
20210         PR middle-end/34934
20211         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
20212         a fixed vector for stack.
20213
20214 2008-01-24  Ben Elliston  <bje@au.ibm.com>
20215
20216         PR c++/25701
20217         * doc/gcc.texi (Software development): Add a direntry for g++.
20218
20219 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
20220
20221         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
20222         stale and straggling -fforce-addr comments above.
20223
20224         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
20225         define.
20226         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
20227         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
20228
20229 2008-01-23  Michael Matz  <matz@suse.de>
20230
20231         PR debug/34895
20232         * dwarf2out.c (force_type_die): Use modified_type_die instead of
20233         gen_type_die.
20234
20235 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
20236
20237         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
20238         malloc result type.
20239
20240 2008-01-23 Anatoly Sokolov <aesok@post.ru>
20241
20242         * config/avr/avr.c (avr_current_arch): New variable.
20243         (avr_arch_types): Add 'avr31' and 'avr51' entries.
20244         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
20245         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
20246         (avr_override_options): Init 'avr_current_arch'.
20247         (base_arch_s): Move from here...
20248         * config/avr/avr.h (base_arch_s): ... here. Add new members
20249         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
20250         'mega' to 'have_jmp_call'.
20251         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
20252         "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
20253         macros.
20254         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
20255         architectures.
20256         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
20257         MULTILIB_MATCHES): Ditto.
20258
20259 2008-01-23  Richard Guenther  <rguenther@suse.de>
20260
20261         PR middle-end/31529
20262         * cgraphunit.c (cgraph_reset_node): Always mark the node
20263         not reachable if it is not queued already.
20264
20265 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
20266
20267         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
20268         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
20269         (cputype_selected): New static variable.
20270         (bfin_handle_option): Set it if -mcpu is used.
20271         (override_option): Select default set of workarounds if no cpu type
20272         selected on the command line.
20273         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
20274
20275         From  Michael Frysinger  <michael.frysinger@analog.com>
20276         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
20277         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
20278
20279         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
20280         for bf547, bf523, bf524, and bf526.
20281         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
20282         bf526.
20283         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
20284         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
20285         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
20286         __ADSPBF547__ and __ADSPBF54x__ for bf547.
20287         * doc/invoke.texi (Blackfin Options): Document that
20288         -mcpu now accept bf547, bf523, bf524, and bf526.
20289
20290 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
20291
20292         PR rtl-optimization/34628
20293         * combine.c (try_combine): Stop and undo after the first combination
20294         if an autoincrement side-effect on the first insn has effectively
20295         been lost.
20296
20297 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
20298
20299         PR target/34529
20300         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
20301         Offset addresses are not valid for Altivec or paired float modes.
20302
20303 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
20304
20305         PR c++/34607
20306         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
20307         if DECL_INITIAL (decl) is error_mark_node.
20308
20309         PR c++/34914
20310         * c-common.c (handle_vector_size_attribute): Only allow
20311         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
20312         the same way as pointer, array etc. types.
20313         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
20314
20315         PR c++/34917
20316         * tree.c (build_type_attribute_qual_variant): Call
20317         build_qualified_type if attributes are equal, but quals are not.
20318
20319 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20320
20321         PR 32102
20322         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
20323         * flags.h (warn_strict_aliasing): Remove.
20324         (warn_strict_overflow): Remove.
20325         * opts.c (warn_strict_aliasing): Remove.
20326         (warn_strict_overflow): Remove.
20327         * c-opts.c (c_common_handle_option): -Wall only sets
20328         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
20329         (c_common_post_options): Give default values to -Wstrict-aliasing
20330         and -Wstrict-overflow if they are uninitialized.
20331         * common.opt (Wstrict-aliasing): Specify Var and Init.
20332         (Wstrict-overflow): Likewise.
20333
20334 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
20335
20336         PR rtl-optimization/26854
20337         PR rtl-optimization/34400
20338         PR rtl-optimization/34884
20339         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
20340         DF_RD->gen.
20341         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
20342         (df_rd_bb_info.expanded_lr_out): Deleted
20343         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
20344         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
20345         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
20346         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
20347         Removed code to allocate, initialize or free expanded_lr_out.
20348         (df_rd_bb_local_compute_process_def): Restructured to make more
20349         understandable.
20350         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
20351         sets if the sets are being trimmed.
20352
20353 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
20354
20355         PR bootstrap/32287
20356         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
20357         (as_vers): Likewise.
20358         * configure: Regenerated.
20359
20360 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20361
20362         PR middle-end/33092
20363         * tree-pass.h (pass_build_alias): New pass.
20364         * tree-ssa-alias.c (gate_build_alias): New.
20365         (pass_build_alias): New.
20366         * passes.c (init_optimization_passes): Add pass_build_alias after
20367         pass_create_structure_vars.
20368
20369 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
20370
20371         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
20372         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
20373         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
20374         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
20375         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
20376         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
20377         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
20378         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
20379         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
20380         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
20381         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
20382         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
20383         * config/s390/s390.md (FP_ALL): New mode iterator.
20384         (_d): New mode attribute.
20385         ("*signbit<mode>2>"): Changed mode of first operand.
20386         ("isinf<mode>2"): Changed mode of first operand.
20387         ("*TDC_insn"): Adaptation for DFP modes.
20388
20389 2008-01-22  Ben Elliston  <bje@au.ibm.com>
20390
20391         * tree.c (check_qualified_type): Improve function description.
20392
20393 2008-01-21  Jason Merrill  <jason@redhat.com>
20394
20395         PR c++/34196
20396         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
20397         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
20398         if it is set.
20399
20400 2008-01-21  DJ Delorie  <dj@redhat.com>
20401
20402         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
20403         return zero.
20404
20405 2008-01-21  Richard Guenther  <rguenther@suse.de>
20406
20407         PR middle-end/34856
20408         * tree-cfg.c (verify_expr): Allow all invariant expressions
20409         instead of just constant class ones as reference argument.
20410         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
20411         like any other constant.
20412         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
20413
20414 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
20415
20416         * regmove.c (fixup_match_1): Update call crossed frequencies.
20417
20418 2008-01-21  Richard Guenther  <rguenther@suse.de>
20419
20420         PR c/34885
20421         * tree-inline.c (setup_one_parameter): Deal with mismatched
20422         types using a VIEW_CONVERT_EXPR.
20423
20424 2008-01-21  Alon Dayan  <alond@il.ibm.com>
20425             Olga Golovanevsky  <olga@il.ibm.com>
20426
20427         PR tree-optimization/34701
20428         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
20429         when the structure size is not a power of 2.
20430
20431 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
20432
20433         * doc/install.texi: Add doc for --enable-checking=df.
20434
20435 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
20436
20437         PR rtl-optimization/34808
20438         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
20439
20440 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
20441
20442         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
20443         input.
20444
20445 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
20446
20447         PR rtl-optimization/26854
20448         PR rtl-optimization/34400
20449         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
20450         DF_RD->gen.
20451         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
20452         (df_rd_bb_info.expanded_lr_out): New.
20453         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
20454         * loop_iv.c (iv_analysis_loop_init): Ditto.
20455         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
20456         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
20457         Added code to allocate, initialize or free expanded_lr_out.
20458         (df_rd_bb_local_compute_process_def): Restructured to make
20459         more understandable.
20460         (df_rd_confluence_n): Add code to do nothing with fake edges and
20461         code to no apply invalidate_by_call sets if the sets are being trimmed.
20462         (df_lr_local_finalize): Renamed to df_lr_finalize.
20463         (df_live_local_finalize): Renamed to df_live_finalize.
20464
20465 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
20466
20467         PR target/34831
20468         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
20469         deciding whether to use reciprocal instructions.
20470
20471 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
20472
20473         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
20474         dwarf2out_note_section_used if cold_text_section is NULL.
20475
20476 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
20477
20478         PR gcov-profile/34610
20479         * tree-cfg.c (make_edges): Mark both outgoing edges from
20480         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
20481         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
20482         from OMP_FOR and OMP_CONTINUE outgoing edges.
20483
20484         * tree-profile.c (tree_profiling): Return early if
20485         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
20486         at the end.
20487         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
20488         from cfun to child_cfun.
20489         * function.h (struct function): Add after_tree_profile bit.
20490
20491 2008-01-19 Anatoly Sokolov <aesok@post.ru>
20492
20493         * config/avr/avr.S (_exit): Disable interrupt.
20494
20495 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
20496             Steven Bosscher  <stevenb.gcc@gmail.com>
20497
20498         PR rtl-optimization/26854
20499         PR rtl-optimization/34400
20500         * df-problems.c (df_live_scratch): New scratch bitmap.
20501         (df_live_alloc): Allocate df_live_scratch when doing df_live.
20502         (df_live_reset): Clear the proper bitmaps.
20503         (df_live_bb_local_compute): Only process the artificial defs once
20504         since the order is not important.
20505         (df_live_init): Init the df_live sets only with the variables
20506         found live by df_lr.
20507         (df_live_transfer_function): Use the df_lr sets to prune the
20508         df_live sets as they are being computed.
20509         (df_live_free): Free df_live_scratch.
20510
20511 2008-01-18  Ian Lance Taylor  <iant@google.com>
20512
20513         * common.opt: Add fmerge-debug-strings.
20514         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
20515         flag_merge_debug_strings rather than flag_merge_constants.
20516         * doc/invoke.texi (Option Summary): Mention
20517         -fmerge-debug-strings.
20518         (Debugging Options): Document -fmerge-debug-strings.
20519
20520 2008-01-18  Ian Lance Taylor  <iant@google.com>
20521
20522         PR c++/33407
20523         * tree.h (DECL_IS_OPERATOR_NEW): Define.
20524         (struct tree_function_decl): Add new field operator_new_flag.
20525         * tree-inline.c (expand_call_inline): When inlining a call to
20526         operator new, force the return value to go into a variable, and
20527         set DECL_NO_TBAA_P on that variable.
20528         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
20529
20530 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
20531
20532         PR debug/34484
20533         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
20534         DWARF2_DEBUGGING_INFO.
20535         (dwarf2out_note_section_used): Ditto.  Add prototype.
20536         (have_multiple_function_sections, text_section_used,
20537         cold_text_section_used, *cold_text_sections): Move declarations
20538         before their uses.
20539
20540 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
20541
20542         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
20543         field and add signal_ra.
20544         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
20545         assignments to frame state pc.  Move end of stack check after
20546         MD_FALLBACK_FRAME_STATE_FOR.
20547         (uw_update_context_1): Use frame state signal_regs if set, instead
20548         of checking signal_frame flag.
20549         (uw_update_context): Use frame state signal_ra if set.
20550         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
20551         * config/xtensa/linux-unwind.h: New file.
20552
20553 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
20554
20555         * modulo-sched.c (get_sched_window): Fix comment typo.
20556
20557 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
20558
20559         PR tree-optimization/34648
20560         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
20561
20562 2008-01-17  Anatoly Sokolov <aesok@post.ru>
20563
20564         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
20565         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
20566
20567 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
20568
20569         PR rtl-optimization/34400
20570         * df-core.c (df_worklist_dataflow_overeager,
20571         df_worklist_dataflow_doublequeue): New functions.
20572         (df_worklist_dataflow): Two different worklist solvers.
20573         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
20574         New param.
20575
20576 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20577
20578         PR testsuite/34821
20579         * doc/invoke.texi: Document the dependence on pthread for fopenmp
20580         and ftree-parallelize-loops.
20581
20582 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
20583
20584         PR rtl-optimization/34826
20585         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
20586
20587 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
20588
20589         * global.c (find_reg): Mark the eh regs as used if necessary.
20590         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
20591         * ra.h (struct allocno): no_eh_reg field added.  Changed
20592         no_stack_reg type to bitfield.
20593
20594 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
20595
20596         * tree.c (substitute_in_expr): Add missing 'break'.
20597
20598 2008-01-17  Richard Guenther  <rguenther@suse.de>
20599
20600         PR tree-optimization/34825
20601         * tree-ssa-math-opts.c (is_division_by): Do not recognize
20602         x / x as division to handle.
20603
20604 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20605
20606         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
20607         "-pthread" is specified.
20608         * pa-hpux11.h (LIB_SPEC): Likewise.
20609
20610 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
20611             Peter Bergner  <bergner@vnet.ibm.com>
20612
20613         PR rtl-optimization/33796
20614         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
20615
20616 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20617
20618         PR libgfortran/34699
20619         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
20620         static links.
20621         * pa-hpux10.h (LINK_SPEC): Likewise.
20622         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
20623
20624 2008-01-16  Richard Guenther  <rguenther@suse.de>
20625
20626         PR middle-end/32628
20627         * fold-const.c (fold_convert_const_int_from_int): Do not
20628         set overflow if that occured only because of a sign extension
20629         change when converting from/to a sizetype with the same
20630         precision and signedness.
20631
20632 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
20633
20634         PR debug/34249
20635         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
20636         location address to the correct place.  Update copyright year.
20637
20638 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20639
20640         * lambda-code.c (lambda_transform_legal_p): Handle the case of
20641         no dependences in the dependence_relations vector.
20642
20643 2008-01-16  Jan Hubicka  <jh@suse.cz>
20644
20645         PR rtl-optimization/31396
20646         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
20647         * cfg.c (dump_reg_info): Print it.
20648         * regs.h (struct reg_info_t): add freq_calls_crossed.
20649         (REG_FREQ_CALLS_CROSSED): New macro.
20650         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
20651         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
20652         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
20653         regmove_optimize): Update call crossed frequencies.
20654         * local-alloc.c (struct qty): Add freq_calls_crossed.
20655         (alloc_qty): Copute freq_calls_crossed.
20656         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
20657         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
20658         * ra.h (struct allocno): Add freq_calls_crossed.
20659
20660 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20661
20662         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
20663         libgomp when compiling with ftree-parallelize-loops.
20664         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
20665
20666 2008-01-16  Richard Guenther  <rguenther@suse.de>
20667
20668         PR tree-optimization/34769
20669         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
20670         * tree.c (int_cst_value): Instead make this function more
20671         permissive in what it accepts as valid input.  Document this
20672         function always sign-extends the value.
20673
20674 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
20675             Richard Guenther  <rguenther@suse.de>
20676
20677         PR c/34668
20678         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
20679         (gimple_fold_indirect_ref_rhs): ... this.
20680         (gimple_fold_indirect_ref): New function with foldings
20681         that preserve lvalueness.
20682         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
20683         * tree-flow.h (gimple_fold_indirect_ref): Declare.
20684         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
20685         to fold an INDIRECT_REF, fall back to the old use of
20686         fold_indirect_ref_1.
20687
20688 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20689
20690         * tree-data-ref.c (subscript_dependence_tester_1): Call
20691         free_conflict_function.
20692         (compute_self_dependence): Same.
20693
20694 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
20695
20696         PR debug/34249
20697         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
20698         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
20699         function global.
20700         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
20701         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
20702         for DWARF2_UNWIND_INFO targets.
20703
20704 2008-01-16  Richard Guenther  <rguenther@suse.de>
20705
20706         PR c/34768
20707         * c-typeck.c (common_pointer_type): Do not merge inconsistent
20708         type qualifiers for function types.
20709
20710 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
20711
20712         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
20713         loop_iterator li from previous commit.
20714
20715 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
20716
20717         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
20718
20719 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20720
20721         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
20722         (parallelize_loops): Don't parallelize irreducible components.
20723
20724 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20725
20726         PR c++/24924
20727         * c-opts (c_common_post_options): Do not enable CPP
20728         flag_pedantic_errors by default.
20729
20730 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
20731
20732         PR rtl-optimization/31944
20733         * cse.c (remove_pseudo_from_table): New function.
20734         (merge_equiv_classes): Use above function to remove pseudo-registers.
20735         (invalidate): Likewise.
20736
20737 2008-01-13  Richard Guenther  <rguenther@suse.de>
20738
20739         PR middle-end/34601
20740         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
20741         instead of TYPE_MODE to deal with calls from expand_one_error_var.
20742
20743 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
20744
20745         * gcse.c (cprop_jump): Call validate_unshare_change instead of
20746         validate_change to unshare the source of the PC set.
20747
20748 2008-01-12  Jan Hubicka  <jh@suse.cz>
20749
20750         PR middle-end/32135
20751         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
20752         references above array bounds.  This might trigger bounds checks for
20753         pointers to arrays.
20754
20755 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20756
20757         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
20758         new_replaceable_dependencies.
20759
20760 2008-01-12  Doug Kwan  <dougkwan@google.com>
20761
20762         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
20763         instead of OPT_Wreturn_type in warning due to ignored return type
20764         qualifiers.
20765         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
20766         options included in -Wextra.
20767         * c.opt: New option -Wignored_qualifiers.
20768         * doc/invoke.texi (Warning Options, -Wextra): Add new option
20769         -Wignore_qualifiers.
20770         (-Wignored-qualifiers): Document.
20771         (-Wreturn-type): Remove description of functionality now handled
20772         by -Wignored-qualifiers.
20773
20774 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
20775
20776         PR ada/33788
20777         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
20778         NOP_EXPR if it is between integral types with the same precision.
20779
20780 2008-01-12  Jan Hubicka  <jh@suse.cz>
20781
20782         PR other/28023
20783         * invoke.texi (max-inline-recursive-depth): Fix default value.
20784
20785 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
20786
20787         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
20788         correct type.
20789
20790 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
20791
20792         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
20793
20794 2008-01-11  James E. Wilson  <wilson@specifix.com>
20795
20796         PR target/26015
20797         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
20798
20799 2008-01-11  Anatoly Sokolov <aesok@post.ru>
20800
20801         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
20802         save/restore frame pointer register and don't use 'call-prologues'
20803         optimization in function with "OS_task" attribute.
20804
20805 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
20806
20807         PR middle-end/31309
20808         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
20809         when copying to memory.
20810
20811 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
20812
20813         PR rtl-optimization/30905
20814         * cfgcleanup.c: Include dce.h
20815         (crossjumps_occured): New global variable.
20816         (try_crossjump_bb): Exit loop after finding a fallthru edge.
20817         If something changed, set crossjumps_occured to true.
20818         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
20819         Don't add/remove fake edges to exit here...
20820         (cleanup_cfg): ...but do it here, when crossjumping.
20821         Run a fast DCE when successful crossjumps occured in the latest
20822         iteration of try_optimize_cfg.
20823
20824 2008-01-11  Richard Guenther  <rguenther@suse.de>
20825
20826         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
20827         (struct vn_unary_op_s): Likewise.
20828         (vn_reference_insert): Free old reference on hash collision.
20829
20830 2008-01-10  Raksit Ashok  <raksit@google.com>
20831
20832         PR rtl-optimization/27971
20833         * combine.c (find_split_point): Split PLUS expressions which are
20834         inside a MEM rtx, and whose first operand is complex.
20835
20836 2008-01-10  DJ Delorie  <dj@redhat.com>
20837
20838         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
20839         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
20840         (m32c_hard_regno_ok): Call the underlying function.
20841
20842 2008-01-10  Richard Guenther  <rguenther@suse.de>
20843
20844         PR middle-end/34683
20845         * tree-cfg.c (tree_merge_blocks): Do not go through the
20846         full-blown folding and stmt updating path if we just deal
20847         with virtual operands.
20848         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
20849         test for abnormal SSA_NAMEs.
20850
20851 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
20852
20853         PR middle-end/34641
20854         * reload.c (push_reload): Add assertions.  All constants from
20855         reg_equiv_constant should have been used for replacing the respective
20856         pseudo earlier.
20857         (find_reloads_address): Invoke find_reloads_address_part for
20858         constant taken from the reg_equiv_constant array.
20859
20860 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
20861
20862         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
20863         field (valnum) the first in the struct.  Replace bools with
20864         unit bit fields.
20865
20866 2008-01-10  Richard Guenther  <rguenther@suse.de>
20867
20868         PR tree-optimization/34651
20869         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
20870         types and ordering for masking and converting.
20871
20872 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
20873
20874         PR tree-optimization/34017
20875         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
20876         also for PHI_NODE expressions.
20877
20878 2008-01-09  Jan Hubicka  <jh@suse.cz>
20879
20880         PR tree-optimization/34708
20881         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
20882         based on number of case labels.
20883         (init_inline_once): Remove switch_cost.
20884         * tree-inline.h (eni_weights_d): Remove switch_cost.
20885
20886 2008-01-09  Richard Guenther  <rguenther@suse.de>
20887         Andrew Pinski  <andrew_pinski@playstation.sony.com>
20888
20889         PR middle-end/30132
20890         * gimplify.c (gimplify_cond_expr): Do not create an addressable
20891         temporary if an rvalue is ok or an lvalue is not required.
20892
20893 2008-01-09  Richard Guenther  <rguenther@suse.de>
20894
20895         PR middle-end/34458
20896         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
20897         adjust return type.
20898
20899 2008-01-09  Richard Guenther  <rguenther@suse.de>
20900
20901         PR middle-end/34679
20902         * tree.c (host_integerp): Check for sizetype only if the
20903         type is an integer type.
20904
20905 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
20906
20907         PR debug/26364
20908         * opts.c (decode_options): Disable inlining of functions called
20909         once if not in unit-at-a-time mode.
20910
20911 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
20912
20913         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
20914
20915 2008-01-08  Richard Guenther  <rguenther@suse.de>
20916
20917         PR middle-end/31863
20918         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
20919         out early if the result will be unused.
20920
20921 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20922
20923         PR target/34709
20924         Revert:
20925
20926         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20927         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20928         for TARGET_RECIP.
20929
20930 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
20931
20932         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
20933         for vectorization tuned.
20934
20935 2008-01-08  Richard Guenther  <rguenther@suse.de>
20936
20937         PR tree-optimization/34683
20938         * tree-ssa-operands.c (operand_build_cmp): Export.
20939         * tree-ssa-operands.h (operand_build_cmp): Declare.
20940         * tree-vn.c (vuses_compare): Remove.
20941         (sort_vuses): Use operand_build_cmp.
20942         (sort_vuses_heap): Likewise.
20943         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
20944         to re-use old VEC if available.  Do not sort already sorted VUSEs.
20945         (vdefs_to_vec): Do not sort already sorted VDEFs.
20946
20947 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
20948
20949         PR middle-end/34694
20950         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
20951
20952 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20953
20954         PR target/34702
20955         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
20956         limitations of reciprocal sequences on x86 targets.
20957
20958 2008-01-08  Richard Guenther  <rguenther@suse.de>
20959
20960         PR tree-optimization/34683
20961         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
20962
20963 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
20964
20965         PR target/34622
20966         * config/darwin.c (darwin_mergeable_string_section): Don't use
20967         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
20968
20969 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
20970
20971         PR target/34682
20972         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
20973         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
20974         predicates of op0 and op1 to register_operand.
20975         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
20976         expander using X87MODEF mode iterator.  Change predicates of
20977         op0 and op1 to register_operand.
20978         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
20979         corresponding patterns and macroize using MODEF macro.  Change
20980         predicates of op0 and op1 to register_operand and remove
20981         "m" constraint. Disparage "r" alternative with "!".
20982         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
20983         macroize using X87MODEF macro.  Change predicates of op0 and op1
20984         to register_operand and remove "m" constraint.  Disparage "r"
20985         alternative with "!".
20986         (absneg splitter with memory operands): Remove.
20987         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
20988         patterns and macroize using X87MODEF mode iterator.
20989         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
20990         Change predicate of op1 to register_operand.
20991         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
20992         for memory operands.
20993
20994 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
20995
20996         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
20997
20998 2008-01-07  Richard Guenther  <rguenther@suse.de>
20999
21000         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
21001         fields.
21002
21003 2008-01-07  Richard Guenther  <rguenther@suse.de>
21004
21005         PR tree-optimization/34683
21006         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
21007         VOPs of the needed size to save memory.  Use VEC_quick_push
21008         to save compile-time.
21009         (vdefs_to_vec): Likewise.
21010
21011 2008-01-07  Sa Liu  <saliu@de.ibm.com>
21012
21013         * config/spu/spu.md (divdf3): Genetate inline code for double
21014         division.  The implementation doesn't handle INF or NAN, therefore it
21015         only applies when -ffinite-math-only is given.
21016
21017 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
21018
21019         PR libstdc++/34680
21020         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
21021         * doc/cpp.texi ([Common Predefined Macros]): Document.
21022
21023 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
21024
21025         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
21026         order to use commutative addition instead of subtraction.
21027
21028 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21029             Mircea Namolaru  <namolaru@il.ibm.com>
21030             Vladimir Yanovsky  <yanov@il.ibm.com>
21031             Revital Eres  <eres@il.ibm.com>
21032
21033         PR tree-optimization/34263
21034         * tree-outof-ssa.c (process_single_block_loop_latch,
21035         contains_tree_r): New functions.
21036         (analyze_edges_for_bb): Call process_single_block_loop_latch
21037         function to empty single-basic-block latch block if possible.
21038
21039 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
21040
21041         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
21042         for TARGET_RECIP.
21043         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
21044
21045 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
21046
21047         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
21048
21049 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
21050
21051         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
21052
21053 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
21054
21055         PR tree-optimization/34618
21056         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
21057         flag from T.
21058
21059 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
21060
21061         PR target/34673
21062         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
21063         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
21064         Update copyright year.
21065
21066         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
21067         Update copyright year.
21068         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
21069         using NR fixup.
21070
21071 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
21072
21073         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
21074         edge does not point to current bb before changing need_assert.
21075
21076 2008-01-04  Richard Guenther  <rguenther@suse.de>
21077
21078         PR middle-end/34029
21079         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
21080         for verifying purposes if they are is_gimple_min_invariant.
21081
21082 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
21083
21084         PR tree-optimization/34448
21085         PR tree-optimization/34465
21086         * gimplify.c (gimplify_init_constructor): Add new parameter
21087         notify_temp_creation.  Use it.
21088         (gimplify_modify_expr_rhs): Take volatiles into account when
21089         optimizing constructors.
21090         Do not optimize constructors if gimplify_init_constructor will dump to
21091         memory.
21092         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
21093         * gcc.c-torture/compile/pr34448.c: New.
21094
21095 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
21096
21097         PR gcov-profile/34609
21098         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
21099         return_slot if result is TREE_ADDRESSABLE.
21100
21101 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
21102
21103         * config/mips/mips.md (sqrt_condition): Tweak comment.
21104         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
21105
21106 2008-01-03  Tom Tromey  <tromey@redhat.com>
21107
21108         PR c/34457
21109         * c-common.c (c_type_hash): Handle VLAs.
21110
21111 2008-01-03  Jan Hubicka  <jh@suse.cz>
21112
21113         PR tree-optimization/31081
21114         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
21115         0 when inlining and not inlining to first basic block.
21116         (remap_decl): When var is initialized to 0, don't set default_def.
21117         (expand_call_inline): Set entry_bb.
21118         * tree-inline.h (copy_body_data): Add entry_bb.
21119
21120 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
21121
21122         PR c++/34619
21123         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
21124         before returning.
21125
21126         PR tree-optimization/29484
21127         * tree-inline.c (inline_forbidden_p_2): New function.
21128         (inline_forbidden_p): Disallow inlining if some static var
21129         has an address of a local LABEL_DECL in its initializer.
21130         * doc/extend.texi (Labels as Values): Document &&foo behaviour
21131         vs. inlining.
21132
21133 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
21134
21135         PR tree-optimization/34635
21136         * tree-data-ref.c (add_other_self_distances): Make sure that the
21137         evolution step is constant.
21138
21139 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
21140
21141         PR middle-end/34608
21142         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
21143
21144 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
21145
21146         * tree-sra.c (scalarize_init): Insert the generate_element_init
21147         statements after the generate_element_zero statements.
21148
21149 2008-01-02  Richard Guenther  <rguenther@suse.de>
21150
21151         PR middle-end/34093
21152         PR middle-end/31976
21153         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
21154         for very large number of operands instead of ICEing.
21155
21156 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
21157
21158         PR target/34013
21159         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
21160         while stack probing.
21161
21162 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
21163
21164         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
21165         in C++0x mode.
21166
21167 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
21168
21169         PR libmudflap/26442
21170         * tree-mudflap.c (mx_register_decls): Guard warning by
21171         !DECL_ARTIFICIAL check.
21172
21173 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
21174
21175         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
21176         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
21177         sse5_perm<mode>): Fix constraints.