gcc/ChangeLog

   1 2007-05-02  Eric Christopher  <echristo@apple.com>
   2
   3         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
   4         -shared to -Zdynamiclib.
   5
   6 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
   7
   8         PR c++/31663
   9         * c-common.c (strip_pointer_or_array_types): New function.
  10         * c-common.h (strip_pointer_or_array_types): New function declaration.
  11
  12 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
  13
  14         PR tree-optimization/31771
  15         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
  16
  17 2007-05-02  Paul Brook  <paul@codesourcery.com>
  18
  19         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
  20
  21 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  22
  23         PR middle-end/29715
  24         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
  25         transformation.
  26
  27 2007-05-02  Nick Clifton  <nickc@redhat.com>
  28
  29         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
  30
  31 2007-05-02  Richard Guenther  <rguenther@suse.de>
  32
  33         PR tree-optimization/31146
  34         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
  35         argument, single_use_p.  If we have a single use that is
  36         a conversion to the definition rhs type, propagate that rhs.
  37         (forward_propagate_addr_expr): Pass single_use_p argument
  38         to forward_propagate_addr_expr_1.
  39
  40 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
  41
  42         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
  43         variable.
  44
  45 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  46
  47         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
  48         'AMD Family 10 core'.
  49
  50 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  51
  52         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
  53         and athlon64-sse3 as improved versions of k8, opteron and athlon64
  54         with SSE3 instruction set support.
  55         * doc/invoke.texi: Likewise.
  56
  57 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  58
  59         * config/i386/i386.c (override_options): Tuning 32-byte loop
  60         alignment for amdfam10 architecture. Increasing the max loop
  61         alignment to 24 bytes.
  62
  63 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
  64
  65         * config/m68k/constraints.md: New.
  66         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
  67         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
  68         EXTRA_CONSTRAINT): Remove.
  69         * config/m68k/m68k.md: Include constraints.md.
  70         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
  71
  72 2007-05-01  Ian Lance Taylor  <iant@google.com>
  73
  74         PR tree-optimization/31739
  75         * tree-vrp.c (vrp_val_is_max): New static function.
  76         (vrp_val_is_min): New static function.
  77         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
  78         copying the node.
  79         (set_value_range): Use vrp_val_is_{max,min}.
  80         (extract_range_from_assert): Likewise.
  81         (extract_range_from_binary_expr): Likewise.
  82         (extract_range_from_unary_expr): Likewise.
  83         (dump_value_range, vrp_meet): Likewise.
  84         (vrp_visit_phi_node): Likewise.
  85         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
  86
  87 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
  88
  89         * config/i386/gmon-sol2.c (size_t): New type.
  90         (intptr_t): Likewise.
  91         (s_textsize): Declare as size_t.
  92         (sbrk): Declare.
  93         (monstartup): Use size_t for sizes.
  94         (_mcount): Save and restore registers.
  95         (internal_mcount): Pass 0 as the first argument to monstartup
  96         in 64-bit mode.
  97         (moncontrol): Convert pointer to appropriately sized integer
  98         before passing to profil.
  99
 100 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 101
 102         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
 103         __NO_FPRS__, not just if _SOFT_DOUBLE.
 104         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
 105         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
 106         also for E500 double.
 107         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
 108         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
 109         && !TARGET_FPRS).
 110
 111 2007-05-01  Richard Guenther  <rguenther@suse.de>
 112
 113         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
 114         is NULL.
 115
 116 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 117
 118         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
 119
 120 2007-05-01  Jan Hubicka  <jh@suse.cz>
 121
 122         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
 123         invariant.
 124
 125 2007-05-01  Jan Hubicka  <jh@suse.cz>
 126
 127         * tree.h (maybe_fold_offset_to_component_ref): Remove.
 128         (maybe_fold_offset_to_reference): Declare.
 129         * fold-const.c (fold_unary): Do not fold
 130         (type *)&A into &A->field_of_type_and_offset_0
 131         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
 132         size is unknown, give up.
 133         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
 134         offsets.
 135         (maybe_fold_offset_to_reference): New.
 136         (maybe_fold_stmt_indirect): Use it.
 137         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
 138         * gimplify.c (gimplify_conversion): Canonicalize conversions to
 139         field references.
 140         (gimplify_expr): Likewise for plus_expr.
 141
 142 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
 143
 144         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
 145         bsi_after_labels.  Always insert statements before bsi.
 146         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
 147         * predict.c (apply_return_prediction): Check for empty blocks.
 148         * cfgexpand.c (lab_rtx_for_bb): New variable.
 149         (label_rtx_for_bb): Do not create new tree labels.
 150         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
 151         (tree_expand_cfg): Initialize lab_rtx_for_bb.
 152         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
 153         creating edges.
 154         (label_for_bb): Add field used.
 155         (update_eh_label, main_block_label): Mark the label used.
 156         (cleanup_dead_labels): Remove unused labels.
 157
 158 2007-05-01  Richard Guenther  <rguenther@suse.de>
 159
 160         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
 161         if it is not about to be set.
 162         (get_value_range): Do not pre-allocate equiv bitmap.
 163         (update_value_range): No need to clear equiv field.
 164         (add_equivalence): Change prototype to get bitmap pointer.
 165         Allocate bitmap here if it is not already.
 166         (extract_range_from_assert): Do not allocate bitmap here.
 167         Update callers to add_equivalence.
 168         (extract_range_from_ssa_name): Likewise.
 169         (get_vr_for_comparison): New static helper.
 170         (compare_name_with_value): Handle NULL equiv bitmap by
 171         peeling the first iteration of the comparison loop.
 172         Use get_vr_for_comparison.
 173         (compare_names): Handle NULL equiv bitmaps by using fake
 174         ones.  Use get_vr_for_comparison.
 175
 176 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
 177
 178         * double-int.c (mpz_set_double_int): Moved from
 179         tree-ssa-loop-niter.c.
 180         (mpz_get_double_int): Likewise; also, add option to wrap
 181         out-of-range integers.
 182         * double-int.h: New prototypes for above.
 183         * tree.c (get_static_type_bounds): Moved from
 184         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
 185         TYPE_MAX_VALUE if they exist..
 186         * tree.h: New prototype for above.
 187         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
 188         get_type_bounds calls.
 189         (mpz_set_double_int): Move to double-int.c.
 190         (get_type_bounds): Move to tree.c, rename to
 191         get_static_type_bounds.
 192         (mpz_to_double_int): Move to double-int.c, rename to
 193         mpz_get_double_int.
 194
 195 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
 196
 197         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
 198         DIV0 exception can fall through to a normal return.
 199
 200 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
 201
 202         PR middle-end/22156
 203         Temporarily revert:
 204         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
 205         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
 206         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 207         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
 208         initialize align to silence bogus warning.
 209         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 210         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
 211         all_no_warning.
 212         (struct sra_walk_fns): Remove use_all parameter from use.
 213         (sra_hash_tree): Handle BIT_FIELD_REFs.
 214         (sra_elt_hash): Don't hash bitfld blocks.
 215         (sra_elt_eq): Skip them in parent compares as well.  Handle
 216         BIT_FIELD_REFs.
 217         (sra_walk_expr): Don't maintain or pass down use_all_p.
 218         (scan_use): Remove use_all parameter.
 219         (scalarize_use): Likewise.  Re-expand assignment to
 220         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
 221         output, and re-scalarize after output.  Don't mark anything
 222         for no warning.
 223         (scalarize_ldst): Adjust.
 224         (scalarize_walk_gimple_modify_statement): Likewise.
 225         (build_element_name_1): Handle BIT_FIELD_REFs.
 226         (instantiate_element): Don't warn for any element whose parent
 227         is used as a whole.
 228         (instantiate_missing_elements_1): Return the sra_elt.
 229         (canon_type_for_field): New.
 230         (try_instantiate_multiple_fields): New.
 231         (instantiate_missing_elemnts): Use them.
 232         (mark_no_warning): Removed.
 233         (generate_one_element_ref): Handle BIT_FIELD_REFs.
 234         (REPLDUP, sra_build_elt_assignment): New.
 235         (generate_copy_inout): Use them.
 236         (generate_element_copy): Likewise.  Handle bitfld differences.
 237         (generate_element_zero): Don't recurse for blocks.  Use
 238         sra_build_elt_assignment.
 239         (generate_one_element_int): Take elt instead of var.  Use
 240         sra_build_elt_assignment.
 241         (generate_element_init_1): Adjust.
 242         (scalarize_use, scalarize_copy): Use REPLDUP.
 243         (scalarize_ldst): Move assert before dereference.
 244         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
 245
 246 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 247
 248         PR C++/31721
 249         * tree.c (reconstruct_complex_type): Reconstruct a reference
 250         correctly.
 251         Also use the same mode for the pointer as the old pointer type.
 252
 253 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 254
 255         * doc/trouble.texi (Interoperation): Remove note about Ultrix
 256         Fortran compiler.
 257
 258 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
 259
 260         PR rtl-optimization/31676
 261         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
 262         (df_refs_record): Call it.
 263
 264 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 265
 266         * rtl.def (SS_ABS): New code.
 267         * config/bfin/bfin.c (print_operand): New modifier 'v'.
 268         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
 269         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
 270         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
 271         (bfin_init_builtins): Define them.
 272         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
 273         (bfin_expand_builtin): ... and handle the others here.
 274         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
 275         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
 276         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
 277         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
 278         operand is only HImode.
 279
 280 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
 281
 282         * regclass.c (scan_one_insn): Remove splitting of
 283         two address insns.
 284
 285 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
 286             Nigel Stephens  <nigel@mips.com>
 287
 288         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
 289
 290 2007-04-28  Jan Hubicka  <jh@suse.cz>
 291
 292         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
 293         insn_locators_alloc instead of insn_locators_initialize;
 294         call reset_block_changes.
 295         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 296         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
 297         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
 298         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 299         * config/score/score.c (th_output_mi_thunk): Likewise.
 300         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 301         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
 302         tolerate uninitialized locator info.
 303
 304         Re-apply:
 305         * function.c (init_function_start): Don't init line number info.
 306         (expand_function_end): Update.
 307         (reset_block_changes, record_block_change, finalize_block_changes,
 308         check_block_change, free_block_changes): Kill.
 309         * function.h (reset_block_changes, record_block_change,
 310         finalize_block_changes, check_block_change, free_block_changes): Remove
 311         prototypes.
 312         (struct function): Remove ib_boundaries_block.
 313         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 314         Use curr_insn_locator to initialize locator.
 315         (emit_line_note): Remove.
 316         * cfgexpand.c (expand_gimple_cond_expr): Update.
 317         (construct_exit_block): Likewise.
 318         (tree_expand_cfg): Initialize/finalize locators.
 319         * expr.c (expand_expr_real): Update.
 320         * cfglayout.c (line_locators_locs, line_locators_lines,
 321         file_locators_locs, file_locators_files): Remove.
 322         (set_block_levels): Move to cfgexpand.c.
 323         (insn_locators_initialize): Remove.
 324         (pass_insn_locators_initialize): Remove.
 325         (locations_locators_locs, locations_locators_vals): New static vars.
 326         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 327         Likewise.
 328         (insn_locators_alloc, insn_locators_finalize,
 329         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 330         New functions.
 331         (locator_location): New.
 332         (locator_line, locator_file): Rewrite.
 333         * rtl.h (emit_line_note): Kill.
 334         (insn_locators_alloc, insn_locators_finalize,
 335         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 336         Declare.
 337         * tree-inline.c (initialize_cfun): Do not initialize
 338         ib_boundaries_block.
 339         * passes.c (pass_insn_locators_initialize): Remove.
 340
 341 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
 342
 343         * tree-cfg.c (move_block_to_fn): Release bb from dominance
 344         info.  Update last_basic_block correctly.
 345
 346 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
 347
 348         PR target/31701
 349         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
 350         register itself to hold the offset constant.  Tell flow the use
 351         of r4 and r5 when they are used.
 352
 353 2007-04-27  Richard Guenther  <rguenther@suse.de>
 354
 355         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
 356         if we simplified anything.
 357         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
 358         warnings until we did a simplification and the stmt was not
 359         marked as TREE_NO_WARNING.
 360
 361 2007-04-27  Mike Stump  <mrs@apple.com>
 362
 363         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
 364
 365 2007-04-27  Ian Lance Taylor  <iant@google.com>
 366
 367         PR middle-end/31710
 368         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
 369         TYPE_MAX_VALUE exist, convert them to the new type.
 370
 371 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 372
 373         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
 374         if it claims to be available.
 375         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
 376         edge is redirected.
 377         (perform_tree_ssa_dce): Always free postdominators.
 378
 379 2007-04-27  Richard Henderson  <rth@redhat.com>
 380
 381         * config/alpha/predicates.md (aligned_memory_operand): Mark
 382         as define_special_predicate.
 383         (unaligned_memory_operand, normal_memory_operand): Likewise.
 384         (reg_or_unaligned_mem_operand): Remove.
 385         (any_memory_operand): Match the documentation and check for
 386         non-renumbered pseudos during reload.
 387         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
 388         alpha_secondary_reload_class, update to new interface, make static.
 389         Handle CQImode like HImode.  Remove FP subreg check.
 390         (alpha_expand_mov): Use replace_equiv_address.
 391         (alpha_expand_mov_nobwx): Use any_memory_operand.
 392         (TARGET_SECONDARY_RELOAD): New.
 393         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
 394         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 395         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
 396         * config/alpha/alpha.md: ... here.
 397         (RELOAD12, reloadmode): New.
 398         (movcqi): New.
 399         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
 400         Don't handle the aligned case here.
 401         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
 402         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
 403         reload_inhi_help.  Don't expect a scratch register.
 404         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
 405         reload_outhi_help.
 406         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
 407
 408 2007-04-27  Richard Guenther  <rguenther@suse.de>
 409
 410         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
 411
 412 2007-04-27  Richard Guenther  <rguenther@suse.de>
 413
 414         PR tree-optimization/30965
 415         PR tree-optimization/30978
 416         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
 417         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
 418         (find_equivalent_equality_comparison): Likewise.
 419         (simplify_cond): Likewise.
 420         (get_prop_source_stmt): New helper.
 421         (get_prop_dest_stmt): Likewise.
 422         (can_propagate_from): Likewise.
 423         (remove_prop_source_from_use): Likewise.
 424         (combine_cond_expr_cond): Likewise.
 425         (forward_propagate_comparison): New function.
 426         (forward_propagate_into_cond): Rewrite to use fold for
 427         tree combining.
 428         (tree_ssa_forward_propagate_single_use_vars): Call
 429         forward_propagate_comparison to propagate comparisons.
 430
 431 2007-04-27  Richard Guenther  <rguenther@suse.de>
 432
 433         PR tree-optimization/31715
 434         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
 435         sure to do computation on the offset in an appropriate
 436         signed type.
 437
 438 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
 439
 440         * reload.h (elimination_target_reg_p): Declare.
 441         * reload.c (find_reloads): Don't apply the reg_rtx move
 442         optimization if the SET_DEST satisfies elimination_target_reg_p.
 443         * reload1.c (elimination_target_reg_p): New function.
 444         (gen_reload): In the move/add2 fallback, make sure that op0
 445         does not overlap the destination register.
 446
 447 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 448
 449         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
 450         transform only GIMPLE_MODIFY_STMTs.
 451         * tree-complex.c (expand_complex_operations_1): Ditto.
 452         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
 453         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
 454         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
 455         branches.
 456         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
 457         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
 458         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
 459         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
 460         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
 461         slpeel_add_loop_guard): Ditto.
 462         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
 463         * lambda-code.c (perfect_nestify): Ditto.
 464         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
 465         before the first statement.
 466         * tree-optimize.c (execute_free_datastructures): Fix comments.
 467         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
 468         * tree-flow.h (disband_implicit_edges): Declaration removed.
 469         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
 470         branches.
 471         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
 472         without gotos.
 473         (disband_implicit_edges, has_label_p): Removed.
 474         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
 475         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
 476         branches.
 477         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
 478         side effects.
 479         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
 480         also for COND_EXPRs.
 481         * cfgexpand.c (label_rtx_for_bb): New function.
 482         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
 483         Use label_rtx_for_bb to find the labels.
 484         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
 485         last block.  Detect fallthru edges.
 486
 487 2007-04-26  Ian Lance Taylor  <iant@google.com>
 488
 489         PR target/28675
 490         * reload.c (find_reloads_subreg_address): If the address was valid
 491         in the original mode but not in the new mode, reload the whole
 492         address.
 493
 494 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 495
 496         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
 497         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
 498         (cleanup_control_expr_graph): Do not invalidate dominance info.
 499         Record altered blocks.
 500         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
 501         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
 502         cleanup_tree_cfg_bb): New functions.
 503         (remove_forwarder_block): Do not maintain the worklist of blocks.
 504         Record altered blocks.
 505         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
 506         not over whole cfg.
 507         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
 508         delete_unreachable_blocks if dominators are not available.
 509         * tree-inline.c (optimize_inline_calls): Free dominance information
 510         earlier.
 511         * tree-flow.h (remove_edge_and_dominated_blocks,
 512         cfgcleanup_altered_bbs): Altered.
 513         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
 514         blocks.
 515         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
 516         functions.
 517         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
 518         do not invalidate dominators.
 519
 520 2007-04-26  Anatoly Sokolov <aesok@post.ru>
 521
 522         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
 523         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
 524         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
 525         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
 526
 527 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
 528
 529         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
 530
 531 2007-04-26  Richard Guenther  <rguenther@suse.de>
 532
 533         PR tree-optimization/31703
 534         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
 535         the right type for the target of the bittest.
 536
 537 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 538
 539         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
 540         ix86_sol10_return_in_memory.
 541
 542 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 543
 544         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
 545         variables.
 546
 547 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
 548
 549         PR c++/31598
 550         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
 551
 552         PR tree-optimization/30558
 553         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
 554         clear this_state.prev_try.
 555
 556 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 557             Mark Mitchell  <mark@codesourcery.com>
 558
 559         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
 560         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
 561         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
 562
 563 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 564
 565         PR driver/31107
 566         * doc/invoke.texi (%:print-asm-header): Document.
 567         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
 568         and -ftarget-help.
 569         (static_spec_functions): Add print-asm-header.
 570         (main): Print a banner before the --target-help linker options.
 571         (print_asm_header_spec_function): New function.
 572
 573 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 574
 575         PR target/31403
 576         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
 577         (movsf_ie): Likewise.
 578
 579 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
 580
 581         * doc/extend.texi ([Type Traits]): Adjust per N2255.
 582
 583 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
 584
 585         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
 586         for divide-by-zero.
 587         (__umodsi3, __modsi3): Likewise.
 588
 589 2007-04-25  Dirk Mueller  <dmueller@suse.de>
 590
 591         * c-typeck.c (build_compound_expr): Annotate warning()
 592         call with OPT_Wunused_value.
 593         * tree-ssa.c (warn_uninit): Annotate warning with
 594         OPT_Wunintialized.
 595         * c-common.c (handle_sentinel_attribute): Annotate warning
 596         call with OPT_Wattributes.
 597
 598 2007-04-25  Thiemo Seufer  <ths@mips.com>
 599
 600         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
 601         (mips16): Fix typo.
 602         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
 603         on to the assembler.  Improve handling of -mno-mips16.  Add handling
 604         of -mno-mips3d, -mno-dsp, -mno-dspr2.
 605         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
 606         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
 607         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
 608
 609 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
 610
 611         PR target/31680
 612         * config/i386/winnt.c (i386_pe_file_end): Strip only
 613         USER_LABEL_PREFIX when writing export name.
 614
 615 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
 616
 617         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
 618         sh/elf.h, vx-common.h and vxworks.h.
 619         * config/sh/sh.h: Include config/vxworks-dummy.h.
 620         (SUBTARGET_OVERRIDE_OPTIONS): Define.
 621         (OVERRIDE_OPTIONS): Use it.
 622         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
 623         (vxworks_picreg): New pattern.
 624         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
 625         VXWORKS_OS_CPP_BUILTINS.
 626         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
 627         to their VXWORKS_* equivalents.
 628         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
 629         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
 630         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
 631         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
 632         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
 633         -mrtp/-fPIC multilibs.
 634         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
 635         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
 636         (MULTILIB_OSDIRNAMES): Delete.
 637
 638 2007-04-25  Anatoly Sokolov <aesok@post.ru>
 639
 640         PR target/18989
 641         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
 642
 643 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
 644
 645         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
 646         rounding mode to be specified by the caller.
 647         (real_to_mpfr) Likewise.
 648         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
 649         include new arguments.
 650         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
 651
 652 2007-04-24  Ian Lance Taylor  <iant@google.com>
 653
 654         PR tree-optimization/31605
 655         * tree-vrp.c (set_value_range): Check that min and max are not
 656         both overflow infinities.
 657         (set_value_range_to_value): New static function.
 658         (extract_range_from_binary_expr): Call set_value_range_to_value.
 659         (extract_range_from_cond_expr): Likewise.
 660         (extract_range_from_expr): Likewise.
 661         (extract_range_from_unary_expr): Likewise.  Don't create a range
 662         which overflows on both sides.
 663         (vrp_meet): Check for a useless range.
 664         (vrp_visit_phi_node): If we see a constant which looks like an
 665         overflow infinity, turn off the TREE_OVERFLOW flag.
 666
 667 2007-04-24  Ian Lance Taylor  <iant@google.com>
 668
 669         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
 670
 671 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
 672
 673         PR diagnostic/25923
 674         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
 675         diagnostic message is being built.
 676         * tree-pretty-print.c (dump_generic_node): Only write the
 677         formatted text into BUFFER's stream if we are not building a
 678         diagnostic message.
 679         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
 680         dump_generic_node.
 681         * Makefile.in (toplev.o): Depend on tree-pass.h.
 682
 683 2007-04-24  Ian Lance Taylor  <iant@google.com>
 684
 685         PR tree-optimization/31602
 686         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
 687         conditionals in the copied loop header.
 688         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
 689         warnings if TREE_NO_WARNING is set.
 690         * doc/invoke.texi (Warning Options): Clarify that
 691         -Wstrict-overflow does not warn about loops.
 692
 693 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
 694
 695         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
 696         expand on the comment about _Decimal128 arguments and check the
 697         integer result of the modulus operation; for 64-bit ELF ABI, ensure
 698         that _Decimal128 argument uses even/odd register pair.
 699         (function_arg): Ditto.
 700
 701 2007-04-24  Hui-May Chang <hm.chang@apple.com>
 702
 703         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
 704         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
 705
 706 2007-04-24  Richard Guenther  <rguenther@suse.de>
 707             Olga Golovanevsky  <olga@il.ibm.com>
 708
 709         * fold-const.c (multiple_of_p): Check for bottom
 710         to be zero.
 711
 712 2007-04-24  Richard Henderson  <rth@redhat.com>
 713
 714         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
 715         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
 716         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
 717         looking for non-zero bits shifted out.  Avoid a recursive call
 718         when constructing the scalar.
 719         (__floatundisf): Likewise.
 720
 721 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
 722
 723         * dwarf2out.c (field_byte_offset): Move the existing logic
 724         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
 725         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
 726
 727 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 728
 729         PR target/31641
 730         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
 731         argument of 0 for memset.
 732         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
 733         unsigned shift instead of the signed variant.
 734
 735 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 736
 737         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
 738         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
 739         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
 740         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
 741         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
 742         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
 743         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
 744         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
 745         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
 746         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
 747         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
 748         "mul<mode>3", "div<mode>3"): Insn definitions added.
 749         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
 750         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
 751         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
 752         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
 753         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
 754         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
 755         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
 756         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
 757         TARGET_FLOAT_FORMAT): Macro definitions removed.
 758         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
 759         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
 760         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
 761         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
 762         (s390_gen_rtx_const_DI): Function removed.
 763         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
 764
 765 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
 766
 767         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
 768         over an external ffs function.
 769
 770 2007-04-24  Chao-ying Fu  <fu@mips.com>
 771             Richard Sandiford  <richard@nildram.co.uk>
 772
 773         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
 774         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
 775         (smadd_widen_optab, umadd_widen_optab): Define.
 776         * optabs.c (init_optabs): Initialize smadd_widen_optab and
 777         umadd_widen_optab.
 778         * genopinit.c (optabs): Fill in smadd_widen_optab and
 779         umadd_widen_optab.
 780         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
 781         and umadd_widen_optab to implement multiply-add sequences.
 782         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
 783         (<u>maddsidi4): ...this.  Extend condition to include
 784         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
 785         of operand 0 to "ka" and use the three-operand form of madd<u>
 786         for TARGET_DSPR2.
 787         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
 788         to define_expands.
 789         * config/mips/constraints.md (ka): New register constraint.
 790
 791 2007-04-24  Jan Hubicka  <j@suse.cz>
 792
 793         Revert:
 794
 795         2007-04-23  Jan Hubicka  <jh@suse.cz>
 796         * function.c (init_function_start): Don't init line number info.
 797         (expand_function_end): Update.
 798         (reset_block_changes, record_block_change, finalize_block_changes,
 799         check_block_change, free_block_changes): Kill.
 800         * function.h (reset_block_changes, record_block_change,
 801         finalize_block_changes, check_block_change, free_block_changes): Remove
 802         prototypes.
 803         (struct function): Remove ib_boundaries_block.
 804         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 805         Use curr_insn_locator to initialize locator.
 806         (emit_line_note): Remove.
 807         * cfgexpand.c (expand_gimple_cond_expr): Update.
 808         (construct_exit_block): Likewise.
 809         (tree_expand_cfg): Initialize/finalize locators.
 810         * expr.c (expand_expr_real): Update.
 811         * cfglayout.c (line_locators_locs, line_locators_lines,
 812         file_locators_locs, file_locators_files): Remove.
 813         (set_block_levels): Move to cfgexpand.c.
 814         (insn_locators_initialize): Remove.
 815         (pass_insn_locators_initialize): Remove.
 816         (locations_locators_locs, locations_locators_vals): New static vars.
 817         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 818         Likewise.
 819         (insn_locators_alloc, insn_locators_finalize,
 820         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 821         New functions.
 822         (locator_location): New.
 823         (locator_line, locator_file): Rewrite.
 824         * rtl.h (emit_line_note): Kill.
 825         (insn_locators_alloc, insn_locators_finalize,
 826         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 827         Declare.
 828         * tree-inline.c (initialize_cfun): Do not initialize
 829         ib_boundaries_block.
 830         * passes.c (pass_insn_locators_initialize): Remove.
 831
 832 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
 833
 834         * doc/invoke.texi: Removed leading '-' from option index entries.
 835
 836 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
 837
 838         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
 839         Use phi_nodes_ptr.
 840         (create_phi_node): Use set_phi_nodes.
 841         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
 842         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
 843         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
 844         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
 845         (bsi_start, bsi_last): Use bb_stmt_list.
 846         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
 847         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
 848         Traverse the statements using tsi iterator.
 849         * basic-block.h (struct basic_block_def): Fields stmt_list
 850         and phi_nodes moved to ...
 851         (struct tree_bb_info): ... new structure.
 852         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
 853         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
 854         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
 855         (tree_verify_flow_info): Verify that il.tree is not set for
 856         entry and exit block.
 857         (tree_split_block): Use set_bb_stmt_list.
 858
 859 2007-04-23  Mike Stump  <mrs@apple.com>
 860
 861         * config/i386/i386.c (ix86_tune_features
 862         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
 863         nocona and core2.
 864
 865 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 866
 867         * config/i386/i386.md (prefix_extra): New attribute.
 868         (length): Add prefix_extra.
 869
 870         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
 871         (sse2_movntv2di): Likewise.
 872         (sse2_cvtps2dq): Likewise.
 873         (sse2_cvtpd2pi): Likewise.
 874         (sse2_cvttpd2pi): Likewise.
 875         (*sse2_cvtpd2ps): Likewise.
 876         (*add<mode>3): Likewise.
 877         (sse2_ssadd<mode>3): Likewise.
 878         (sse2_usadd<mode>3): Likewise.
 879         (*sub<mode>3): Likewise.
 880         (sse2_sssub<mode>3): Likewise.
 881         (sse2_ussub<mode>3): Likewise.
 882         (*mulv8hi3): Likewise.
 883         (*smulv8hi3_highpart): Likewise.
 884         (*umulv8hi3_highpart): Likewise.
 885         (sse2_umulv2siv2di3): Likewise.
 886         (sse2_pmaddwd): Likewise.
 887         (ashr<mode>3): Likewise.
 888         (lshr<mode>3): Likewise.
 889         (ashl<mode>3): Likewise.
 890         (sse2_ashlti3): Likewise.
 891         (sse2_lshrti3): Likewise.
 892         (*umaxv16qi3): Likewise.
 893         (*smaxv8hi3): Likewise.
 894         (*uminv16qi3): Likewise.
 895         (*sminv8hi3): Likewise.
 896         (sse2_eq<mode>3): Likewise.
 897         (sse2_gt<mode>3): Likewise.
 898         (*and<mode>3): Likewise.
 899         (sse2_nand<mode>3): Likewise.
 900         (*ior<mode>3): Likewise.
 901         (*xor<mode>3): Likewise.
 902         (sse2_packsswb): Likewise.
 903         (sse2_packssdw): Likewise.
 904         (sse2_packuswb): Likewise.
 905         (sse2_punpckhbw): Likewise.
 906         (sse2_punpcklbw): Likewise.
 907         (sse2_punpckhwd): Likewise.
 908         (sse2_punpcklwd): Likewise.
 909         (sse2_punpckhdq): Likewise.
 910         (sse2_punpckldq): Likewise.
 911         (sse2_punpckhqdq): Likewise.
 912         (sse2_punpcklqdq): Likewise.
 913         (*sse2_pinsrw): Likewise.
 914         (*sse2_pextrw): Likewise.
 915         (sse2_pshufd_1): Likewise.
 916         (sse2_uavgv16qi3): Likewise.
 917         (sse2_uavgv8hi3): Likewise.
 918         (sse2_psadbw): Likewise.
 919         (sse2_pmovmskb): Likewise.
 920         (*sse2_maskmovdqu): Likewise.
 921         (*sse2_maskmovdqu_rex64): Likewise.
 922         (sse4a_extrqi): Likewise.
 923         (sse4a_extrq): Likewise.
 924         (sse3_lddqu): Set prefix_rep.
 925         (sse3_addsubv4sf3): Likewise.
 926         (sse3_haddv4sf3): Likewise.
 927         (sse3_hsubv4sf3): Likewise.
 928         (sse_cvtss2si): Likewise.
 929         (sse_cvtss2si_2): Likewise.
 930         (sse_cvtss2siq): Likewise.
 931         (sse_cvtss2siq_2): Likewise.
 932         (sse_cvttss2si): Likewise.
 933         (sse_cvttss2siq): Likewise.
 934         (sse2_cvttps2dq): Likewise.
 935         (sse3_movshdup): Likewise.
 936         (sse3_movsldup): Likewise.
 937         (sse2_cvtsd2si): Likewise.
 938         (sse2_cvtsd2si_2): Likewise.
 939         (sse2_cvtsd2siq): Likewise.
 940         (sse2_cvtsd2siq_2): Likewise.
 941         (sse2_cvttsd2si): Likewise.
 942         (sse2_cvttsd2siq): Likewise.
 943         (*sse2_cvtpd2dq): Likewise.
 944         (*sse2_cvttpd2dq): Likewise.
 945         (sse2_pshuflw_1): Likewise.
 946         (sse2_pshufhw_1): Likewise.
 947         (sse4a_insertqi): Likewise.
 948         (sse4a_insertq): Likewise.
 949         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
 950         (ssse3_phadddv4si3): Likewise.
 951         (ssse3_phaddswv8hi3): Likewise.
 952         (ssse3_phsubwv8hi3): Likewise.
 953         (ssse3_phsubdv4si3): Likewise.
 954         (ssse3_phsubswv8hi3): Likewise.
 955         (ssse3_pmaddubswv8hi3): Likewise.
 956         (ssse3_pmulhrswv8hi3): Likewise.
 957         (ssse3_pshufbv16qi3): Likewise.
 958         (ssse3_psign<mode>3): Likewise.
 959         (ssse3_palignrti): Likewise.
 960         (abs<mode>2): Likewise.
 961         (ssse3_phaddwv4hi3): Set prefix_extra.
 962         (ssse3_phadddv2si3): Likewise.
 963         (ssse3_phaddswv4hi3): Likewise.
 964         (ssse3_phsubwv4hi3): Likewise.
 965         (ssse3_phsubdv2si3): Likewise.
 966         (ssse3_phsubswv4hi3): Likewise.
 967         (ssse3_pmaddubswv4hi3): Likewise.
 968         (ssse3_pmulhrswv4hi3): Likewise.
 969         (ssse3_pshufbv8qi3): Likewise.
 970         (ssse3_psign<mode>3): Likewise.
 971         (ssse3_palignrdi): Likewise.
 972         (abs<mode>2): Likewise.
 973         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
 974         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
 975         (sse2_pmovmskb): Set mode to SI instead of V2DF.
 976
 977 2007-04-23  Nick Clifton  <nickc@redhat.com>
 978
 979         * params.def: Fix formatting of emacs local variables.
 980
 981 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 982
 983         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
 984         move if inter-unit move isn't allowed.
 985         Don't split moving the first element of V2DI to DI to inter-unit
 986         move if inter-unit move isn't allowed.
 987
 988 2007-04-23  Richard Guenther  <rguenther@suse.de>
 989
 990         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
 991         and CDI_POST_DOMINATORS separately.
 992
 993 2007-04-23  Nick Clifton  <nickc@redhat.com>
 994
 995         * c.opt (Wformat-contains-nul): Add warning attribute.
 996
 997 2007-04-23  Jan Hubicka  <jh@suse.cz>
 998
 999         * function.c (init_function_start): Don't init line number info.
1000         (expand_function_end): Update.
1001         (reset_block_changes, record_block_change, finalize_block_changes,
1002         check_block_change, free_block_changes): Kill.
1003         * function.h (reset_block_changes, record_block_change,
1004         finalize_block_changes, check_block_change, free_block_changes): Remove
1005         prototypes.
1006         (struct function): Remove ib_boundaries_block.
1007         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1008         Use curr_insn_locator to initialize locator.
1009         (emit_line_note): Remove.
1010         * cfgexpand.c (expand_gimple_cond_expr): Update.
1011         (construct_exit_block): Likewise.
1012         (tree_expand_cfg): Initialize/finalize locators.
1013         * expr.c (expand_expr_real): Update.
1014         * cfglayout.c (line_locators_locs, line_locators_lines,
1015         file_locators_locs, file_locators_files): Remove.
1016         (set_block_levels): Move to cfgexpand.c.
1017         (insn_locators_initialize): Remove.
1018         (pass_insn_locators_initialize): Remove.
1019         (locations_locators_locs, locations_locators_vals): New static vars.
1020         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1021         Likewise.
1022         (insn_locators_alloc, insn_locators_finalize,
1023         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1024         New functions.
1025         (locator_location): New.
1026         (locator_line, locator_file): Rewrite.
1027         * rtl.h (emit_line_note): Kill.
1028         (insn_locators_alloc, insn_locators_finalize,
1029         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1030         Declare.
1031         * tree-inline.c (initialize_cfun): Do not initialize
1032         ib_boundaries_block.
1033         * passes.c (pass_insn_locators_initialize): Remove.
1034
1035 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1036
1037         PR middle-end/31448
1038         * expr.c (reduce_to_bit_field_precision): Handle
1039         CONST_INT rtx's.
1040
1041 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1042
1043         PR tree-optimization/24659
1044         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1045         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1046         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1047         * genopinit.c (optabs): Rename vec_pack_mod_optab
1048         to vec_pack_trunc_optab.
1049         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1050         early for scalar floating point operands for NOP_EXPR.
1051         (vectorizable_type_promotion): Ditto.
1052         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1053         vec_pack_trunc_optab.
1054         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1055
1056         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1057         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1058         Rename from VEC_PACK_MOD_EXPR.
1059         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1060         * expr.c (expand_expr_real_1): Ditto.
1061         * tree-inline.c (estimate_num_insns_1): Ditto.
1062         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1063
1064         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1065         (vec_unpacks_lo_v4sf): Ditto.
1066         (vec_pack_trunc_v2df): Ditto.
1067         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1068         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1069         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1070
1071         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1072         vec_pack_mod_v8hi.
1073         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1074
1075         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1076         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1077         packing of floating point operands.
1078         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1079         represent unpacking of floating point operands.
1080         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1081         [vec_unpacks_hi]: Ditto.
1082         [vec_unpacks_lo]: Ditto.
1083
1084 2007-04-22  Jan Hubicka  <jh@suse.cz>
1085
1086         * final.c (rest_of_handle_final): Call
1087         targetm.asm_out.constructor/targetm.asm_out.destructor
1088         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1089         proper priority via decl_*_priority_insert.
1090         * c-common.c (c_expand_body): Likewise.
1091
1092 2007-04-22  Richard Guenther  <rguenther@suse.de>
1093
1094         PR tree-optimization/29789
1095         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1096         (rewrite_reciprocal): New helper split out from
1097         determine_invariantness_stmt.
1098         (rewrite_bittest): Likewise.
1099         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1100         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1101         is not.
1102
1103 2007-04-22  Revital Eres  <eres@il.ibm.com>
1104
1105         * loop-unroll.c (var_to_expand): New field to support also
1106         insns of the form x = something + x.
1107         (analyze_insn_to_expand_var): Use it.
1108         (expand_var_during_unrolling): Likewise.
1109
1110 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1111
1112         * predict.c: Include pointer-set.h.
1113         (bb_predictions): New variable.
1114         (tree_predicted_by_p, tree_predict_edge,
1115         remove_predictions_associated_with_edge): Use bb_predictions map
1116         instead of bb->predictions.
1117         (clear_bb_predictions, assert_is_empty): New functions.
1118         (combine_predictions_for_bb): Use bb_predictions map.  Call
1119         clear_bb_predictions.
1120         (tree_estimate_probability): Create and free bb_predictions map.
1121         * Makefile.in (predict.o): Add pointer-set.h dependency.
1122         * basic-block.h (struct basic_block_def): Remove predictions
1123         field.
1124         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1125
1126 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1127
1128         PR target/31480
1129         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1130         is null.
1131
1132 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1133
1134         * timevar.c (timevar_print): Change reference of --disable-checking to
1135         --enable-checking=release.  Also warn if assert checking is disabled.
1136
1137 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1138
1139         PR C/30265
1140         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1141         decl as addressable if the compound literal was marked as
1142         addressable.
1143         Mark the decl as a gimple register if it is a complex or
1144         vector decl and does not live in memory.
1145
1146 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1147
1148         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1149         (GENERIC_NEXT): New function macro.
1150         (PHI_CHAIN): Use phi_node's new chain variable.
1151         (tree_phi_node): Change tree_common to tree_base
1152         and add the chain field.
1153         * tree-phinodes.c (make_phi_node): Don't set
1154         TREE_TYPE on the new node.
1155         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1156         instead of checking GIMPLE_TUPLE_P in chain_next.
1157         * tree-vect-transform.c
1158         (get_initial_def_for_induction): Look at
1159         PHI_RESULT_TREE for the type of the phi node.
1160         (update_vuses_to_preheader): Use PHI_CHAIN
1161         instead of TREE_CHAIN on the phi node.
1162         * tree-ssa-structalias.c (compute_points_to_sets):
1163         Likewise.
1164         (ipa_pta_execute): Likewise.
1165
1166 2007-04-21  Richard Guenther  <rguenther@suse.de>
1167
1168         PR middle-end/31136
1169         * fold-const.c (fold_unary): Call fold_convert_const on the
1170         original tree.
1171
1172 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1173
1174         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1175         (store_killed_in_pat): New.
1176
1177 2007-04-20  Richard Henderson  <rth@redhat.com>
1178
1179         PR target/31628
1180         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1181         TREE_LIST with a void_type_node value, not void_list_node exactly.
1182
1183 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1184
1185         * doc/standards.texi: Re-arrange into language-specific
1186         subsections. Add a C++ section, documenting which standards we
1187         support.
1188
1189 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1190
1191         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1192         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1193
1194 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1195
1196         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1197         ecrti.o and crtbegin.o.
1198         (LIB_DEFAULT_SPEC): Include -lc.
1199         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1200
1201 2007-04-20  Richard Henderson  <rth@redhat.com>
1202
1203         PR target/28623
1204         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1205         argument; update all callers.
1206         (get_unaligned_offset): New.
1207         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1208         get_unaligned_address, just pass on the address directly.
1209         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1210         the subreg in the helper patterns.
1211         (unaligned_extendqidi_le): Use get_unaligned_offset.
1212         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1213         (unaligned_extendhidi_be): Likewise.
1214         (unaligned_extendhidi): Tidy.
1215         * config/alpha/alpha-protos.h: Update.
1216
1217 2007-04-20  Richard Henderson  <rth@redhat.com>
1218
1219         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1220         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1221         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1222         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1223         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1224         (CPP_SPEC): Don't include %(cpp_subtarget).
1225         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1226         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1227         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1228
1229 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1230
1231         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1232         for __builtin_ia32_cmpordss.
1233
1234         PR tree-optimization/31632
1235         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1236         and arg1 for optimizations of comparison against min/max values.
1237         Fold arg0 to arg1's type for optimizations of comparison against
1238         min+1 and max-1 values.
1239
1240 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1241
1242         * reload.c (combine_reloads): When trying to use a dying register,
1243         check whether it's uninitialized and don't use if so.
1244
1245 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1246
1247         * fold-const.c: Remove prototypes for native_encode_expr and
1248         native_interpret_expr.
1249         (native_encode_expr): Make non-static.
1250         (native_interpret_expr): Likewise.
1251         * tree.h: Add prototypes for the above.
1252
1253 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1254
1255         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1256         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1257         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1258         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1259         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1260         Add length attributes.
1261
1262 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1263
1264         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1265         not that it is 1.
1266
1267         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1268         __STDC_WANT_DEC_FP__.
1269
1270 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1271
1272         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1273         for long double compatibility.
1274         * configure: Regenerate.
1275
1276 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1277
1278         PR rtl-optimization/29841
1279         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1280         trap instructions.
1281         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1282         that may cause control flow transfer from being moved.
1283
1284 2007-04-18  Jan Hubicka  <jh@suse.cz>
1285
1286         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1287         types.
1288
1289 2007-04-18  Eric Christopher  <echristo@apple.com>
1290
1291         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1292         only. Update operands.
1293         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1294         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1295         link register to pic register.
1296
1297 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1298
1299         PR diagnostic/31227
1300         * tree-vrp.c (search_for_addr_array): New.
1301         (check_array_bounds): Suppress warning about
1302         address taken of array refs if its not de-referenced.
1303
1304 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1305
1306         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1307         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1308
1309         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1310         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1311         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1312
1313         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1314         dump print.
1315         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1316         print message.
1317         (vect_analyze_scalar_cycles): Fix indentation.
1318         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1319         (vect_mark_relevant): Include phis in relevance analysis.
1320
1321         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1322
1323 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1324
1325         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1326         output_operand_lossage().
1327
1328 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1329
1330         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1331         the unused code for reduction without adjust-in-epilog to simplify the
1332         function.
1333
1334 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1335
1336         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1337         (S390_TDC_NEGATIVE_ZERO): New constant.
1338         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1339         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1340         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1341         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1342         (S390_TDC_POSITIVE_INFINITY): New constant.
1343         (S390_TDC_NEGATIVE_INFINITY): New constant.
1344         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1345         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1346         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1347         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1348         (S390_TDC_INFINITY): New constant.
1349         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1350         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1351         optimization for UNSPEC_CCZ_TO_INT.
1352         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1353         ("*ccz_to_int"): New insn.
1354         ("isinf<mode>2"): New insn.
1355         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1356         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1357         (UNSPEC_CCZ_TO_INT): New constant.
1358
1359 2007-04-18  Richard Guenther  <rguenther@suse.de>
1360
1361         PR tree-optimization/19431
1362         PR tree-optimization/21463
1363         * tree-pass.h (pass_phiprop): Declare.
1364         * passes.c (init_optimization_passes): New phiprop pass.
1365         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1366         (phivn_valid_p): New helper function.
1367         (phiprop_insert_phi): Likewise.
1368         (propagate_with_phi): Likewise.
1369         (tree_ssa_phiprop): New propagator propagating loads
1370         through phi nodes if profitable.
1371
1372 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1373
1374         * tree-vect-analyze.c (process_use): New function.
1375         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1376         Check phis in all bbs.
1377         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1378         assert.
1379
1380 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1381
1382         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1383         we use REG_EQUAL.
1384
1385 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1386
1387         PR target/30483
1388         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1389         error().
1390
1391 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1392
1393         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1394         on "0".
1395         (sse_vmmulv4sf3): Likewise.
1396         (sse2_vmaddv2df3): Likewise.
1397         (sse2_vmmulv2df3): Likewise.
1398
1399 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1400
1401         PR rtl-optimization/31360
1402         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1403         (target_reg_cost): New.
1404         (init_set_costs): Initialize target_reg_cost.  Add comments
1405         regarding the rationale of the costs.
1406         (global_cost_for_size): Renamed to...
1407         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1408         of register pressure.
1409         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1410         estimate_reg_pressure_cost.  Add number of ivs.
1411         (determine_set_costs): Dump target_reg_cost.
1412         * loop-invariant.c (gain_for_invariant):  Use
1413         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1414         (best_gain_for_invariant, find_invariants_to_move): Remove
1415         n_inv_uses.
1416         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1417         (target_reg_cost): Declare.
1418         (global_cost_for_size): Declaration removed.
1419         (estimate_reg_pressure_cost): Declare.
1420
1421 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1422
1423         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1424         regnos into even/odd register pairs.
1425         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1426         TDmode similar to the other floating point modes.
1427         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1428         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1429         define_expand's.
1430         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1431         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1432         (movdd_hardfloat64): Use TARGET_MFPGPR.
1433
1434 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1435
1436         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1437
1438         Revert
1439         2005-01-05  Richard Henderson  <rth@redhat.com>
1440         PR rtl-opt/10692
1441         * reload1.c (do_input_reload): Restrict the optimization deleteing
1442         a previous output reload to RELOAD_FOR_INPUT.
1443
1444 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1445
1446         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1447         induc_vec_info_type.
1448         (vectorizable_induction): New function declaration.
1449         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1450         check if already vectorized.  Find first place in BB where new stmts
1451         can be inserted.  Takes only one argument.
1452         (vectorizable_induction): New function.
1453         (vect_transform_stmt): Add case for induc_vec_info_type to call
1454         vectorizable_induction.
1455         (vect_transform_loop): Consider phis for vectorization.
1456         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1457         condition.
1458         (analyze_operations): Call vectorizable_induction when analyzing phis.
1459         Fix comment.
1460         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1461         (vect_mark_relevant): Include phis in relevance analysis.
1462         (vect_mark_stmts_to_be_vectorize): Likewise.
1463         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1464
1465 2007-04-16  Lawrence Crowl  <crowl@google.com>
1466
1467         * doc/invoke.texi (Debugging Options): Add documentation for the
1468         -femit-struct-debug options -femit-struct-debug-baseonly,
1469         -femit-struct-debug-reduced, and
1470         -femit-struct-debug-detailed[=...].
1471
1472         * c-opts.c (c_common_handle_option): Add
1473         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1474         and OPT_femit_struct_debug_detailed_.
1475         * c.opt: Add specifications for
1476         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1477         and -femit-struct-debug-detailed[=...].
1478         * opts.c (set_struct_debug_option): Parse the
1479         -femit-struct-debug-... options.
1480         * opts.c (matches_main_base, main_input_basename,
1481         main_input_baselength, base_of_path, matches_main_base): Add
1482         variables and functions to compare header base name to compilation
1483         unit base name.
1484         * opts.c (should_emit_struct_debug): Add to determine to emit a
1485         structure based on the option.
1486         (dump_struct_debug) Also disabled function to debug this
1487         function.
1488         * opts.c (handle_options): Save the base name of the
1489         compilation unit.
1490
1491         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1492         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1493         This hook indicates if a type is generic.  Set it by default
1494         to "never generic".
1495         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1496         to determine if a struct type is generic or not.
1497         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1498         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1499         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1500         with live C++ hook.
1501
1502         * flags.h (enum debug_info_usage): Add an enumeration to describe
1503         a program's use of a structure type.
1504         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1505         to indicate the program's usage of the type.  Filter structs based
1506         on the -femit-struct-debug-... specification.
1507         (gen_type_die): Split into two routines, gen_type_die and
1508         gen_type_die_with_usage.  gen_type_die is now a wrapper
1509         that assumes direct usage.
1510         (gen_type_die_with_usage): Replace calls to gen_type_die
1511         with gen_type_die_with_usage adding the program usage of
1512         the referenced type.
1513         (dwarf2out_imported_module_or_decl): Suppress struct debug
1514         information using should_emit_struct_debug when appropriate.
1515
1516 2007-04-16  Ian Lance Taylor  <iant@google.com>
1517
1518         PR tree-optimization/31522
1519         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1520         (vrp_initialize): Allocate vr_phi_edge_counts.
1521         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1522         executable edge.  Drop test for all constants.
1523         (vrp_finalize): Free vrp_phi_edge_counts.
1524
1525         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1526         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1527
1528         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1529         predecessors at head rather than tail.
1530
1531 2007-04-16  Matthias Klose  <doko@debian.org>
1532
1533         * config/alpha/linux.h (CPP_SPEC): Define.
1534         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1535
1536 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1537
1538         * function.h: Remove sequence_stack extern declaration.
1539
1540 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1541
1542         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1543         TARGET_FIDOA.
1544         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1545         defined.
1546
1547 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1548
1549         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1550         (enum avr_arch): Add.
1551         (avr_mcu_types): Use avr_arch enumeration constants instead of
1552         numbers.
1553         * config/avr/avr.h (LINK_SPEC): Simplify.
1554
1555 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1556
1557         * config/m68k/m68k.c (m68k_libcall_value,
1558         m68k_function_value): Use macros for register names more.
1559
1560         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1561         instead.
1562         (M68K_REGNAME): Use A6_REG.
1563         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1564
1565 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1566
1567         PR middle-end/28071
1568         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1569         'pending_read_list_length' and 'pending_write_list_length'.  Update
1570         comment.
1571         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1572         to handle two length counters instead of one.  Update all uses.
1573         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1574         two length counters instead of one.
1575         * sched-rgn.c (propagate_deps): Update to handle two length counters
1576         instead of one.
1577
1578 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1579
1580         PR target/31582
1581         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1582         copy of source, pass it to ix86_expand_vector_set and return
1583         it as target.
1584
1585 2007-04-16  David Ung  <davidu@mips.com>
1586             Joseph Myers  <joseph@codesourcery.com>
1587
1588         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1589         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1590         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1591         Add 74K processor information.
1592         * config/mips/mips.md: Include 74k.md.
1593         (cpu): Add 74kc,74kf,74kx.
1594         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1595         * config/mips/74k.md: New.
1596         * doc/invoke.texi (MIPS Options): Document 74K support.
1597
1598 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1599
1600         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1601         vectorizable_* functions.
1602         * tree-vect-transform.c (vectorizable_call): Add check for
1603         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1604         (vectorizable_store): likewise.
1605         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1606         Add comments.
1607         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1608         (vectorizable_type_promotion, vectorizable_load): Likewise.
1609         (vectorizable_live_operation, vectorizable_condition): Likewise.
1610         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1611         STMT_VINFO_LIVE_P.
1612         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1613
1614 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1615
1616         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1617         register numbers more.
1618         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1619         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1620         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1621         FUNCTION_VALUE_REGNO_P): Likewise.
1622         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1623         STATIC_CHAIN_REGNUM): Likewise.
1624         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1625         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1626         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1627         * config/m68k/m68k.md (FP_REG): New.
1628
1629 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1630
1631         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1632         alignment on fido.
1633
1634 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1635
1636         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1637         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1638         comment typos.
1639
1640 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1641
1642         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1643         cold loops.
1644
1645 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1646
1647         PR c/31520
1648         * c-decl.c (finish_decl): Grab the type of the decl after the call
1649         to store_init_value.
1650
1651 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1652
1653         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1654
1655 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1656
1657         PR c++/25874
1658         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1659         post dominators and cleanup cfg before returning.
1660
1661 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1662
1663         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1664         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1665
1666 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1667
1668         * config.gcc: Recognize fido.
1669         * config/m68k/m68k-devices.def (fidoa): New.
1670         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1671         __mfido__.
1672         (FL_FIDOA, TARGET_FIDOA): New.
1673         * config/m68k/m68k.opt (mfidoa): New.
1674
1675 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1676
1677         PR middle-end/31322
1678         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1679         when a personality function is used.
1680
1681 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1682
1683         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1684
1685 2007-04-13  Mike Stump  <mrs@apple.com>
1686
1687         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1688         we can...
1689         * config/darwin.opt (fapple-kext): Make C++ only.
1690         * config/darwin.c (darwin_override_options): Remove code to ensure
1691         -fapple-kext is given for C++ only.
1692
1693 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1694
1695         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1696         * config/mips/mips.c (override_options): Call
1697         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1698
1699 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1700
1701         * config/i386/i386.opt (msvr3-shlib): Removed.
1702
1703         * doc/invoke.texi: Remove -msvr3-shlib.
1704
1705 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1706
1707         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1708         with "popcnt" instruction.
1709
1710 2007-04-13  Richard Guenther  <rguenther@suse.de>
1711
1712         PR tree-optimization/21258
1713         * tree-vrp.c (compare_case_labels): New helper.
1714         (find_switch_asserts): New function.
1715         (find_assert_locations): Call it for SWITCH_EXPRs.
1716
1717 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1718
1719         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1720         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1721         check is now implied in X87_FLOAT_MODE_P.
1722         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1723         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1724         (fix_trunc<mode>_i386_fisttp): Ditto.
1725         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1726         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1727         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1728         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1729         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1730         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1731         (unnamed_splitters): Ditto.
1732         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1733         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1734         FIRST_SSE_REG for local functions when SSE math is enabled or
1735         for functions with sseregparm attribute.
1736         (standard_80387_constant_p): Return -1 if mode is not
1737         X87_FLOAT_MODE_P.
1738         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1739         (ix86_expand_compare): Ditto.
1740         (ix86_expand_carry_flag_compare): Ditto.
1741         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1742         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1743         DECIMAL_FLOAT_MODE_P.
1744         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1745         of SCALAR_FLOAT_MODE_P.
1746         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1747         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1748         checks before FLOAT_MODE_P.
1749         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1750         before FLOAT_MODE_P.
1751         [DIV]: Ditto.
1752         [NEG]: Ditto.
1753         [ABS]: Ditto.
1754         [SQRT]: Ditto.
1755         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1756
1757 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1758             Charles Wilson  <libtool@cwilson.fastmail.fm>
1759
1760         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1761         (libgcc.mvars): Don't depend on them.
1762         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1763         * exec-tool.in: New.
1764
1765 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1766
1767         * doc/invoke.text (--help): Document --help=common.
1768
1769 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1770
1771         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1772
1773 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1774
1775         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1776         * genemit.c (main): Emit #include "integrate.h".
1777         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1778         (LOADGP_RTP): New mips_loadgp_style.
1779         * config/mips/mips.h: Include config/vxworks-dummy.h.
1780         (TARGET_RTP_PIC): New macro.
1781         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1782         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1783         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1784         for TARGET_RTP_PIC.
1785         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1786         -mvxworks-pic when using -mrtp and a PIC option.
1787         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1788         for RTP PIC.
1789         (mips_symbolic_constant_p, mips_symbolic_address_p)
1790         (mips_symbol_insns): Handle SYMBOL_HALF.
1791         (override_options): Warn about -G and -mrtp being used together.
1792         Initialize mips_lo_relocs[SYMBOL_HALF].
1793         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1794         (mips_emit_loadgp): Handle LOADGP_RTP.
1795         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1796         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1797         (tablejump): Handle function-relative case table entries if
1798         TARGET_RTP_PIC.
1799         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1800
1801 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1802
1803         * config/mips/mips.md (load_call<mode>): Allow any general register.
1804         destination.
1805         (sibcall_value_internal, sibcall_value_multiple_internal)
1806         (call_value_internal, call_value_split, call_value_multiple_internal)
1807         (call_value_multiple_split): Remove constraints from operand 0.
1808
1809 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1810
1811         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1812         rather than loadgp_noshared.
1813         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1814         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1815         gen_loadgp.
1816         * config/mips/mips.md (loadgp): Rename to...
1817         (loadgp_newabi): ...this.
1818         (loadgp_noshared): Rename to...
1819         (loadgp_absolute): ...this.
1820
1821 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1822
1823         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1824         false for locally-binding symbols.
1825         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1826
1827 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1828
1829         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1830         (SYMBOL_GOT_PAGE_OFST): ...this.
1831         (SYMBOL_GOT_GLOBAL): Rename to...
1832         (SYMBOL_GOT_DISP): ...this.
1833         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1834         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1835         * config/mips/mips.c (mips_global_symbol_p): New function.
1836         (mips_symbol_binds_local_p): Likewise.
1837         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1838         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1839         and mips_symbol_binds_local_p.
1840         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1841         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1842         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1843         SYMBOL_GOTOFF_DISP.
1844         (mips_ok_for_lazy_binding_p): New function.
1845         (mips_load_call_address, mips_expand_call): Use it.
1846         (mips_dangerous_for_la25_p): Likewise.
1847         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1848         (*got_disp<mode>): Use got_disp_operand instead of
1849         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1850         SYMBOL_GOTOFF_GLOBAL.
1851         (*got_page<mode>): Use got_page_ofst_operand instead of
1852         local_got_operand.
1853         * config/mips/predicates.md (const_call_insn_operand): Use
1854         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1855         (global_got_operand): Rename to...
1856         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1857         SYMBOL_GOT_GLOBAL.
1858         (local_got_operand): Rename to...
1859         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1860         of SYMBOL_GOT_LOCAL.
1861
1862 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1863
1864         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1865         TARGET_CALL_CLOBBERED_GP.
1866         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1867         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1868         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1869         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1870         of TARGET_ABICALLS && !TARGET_NEWABI.
1871         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1872         * config/mips/mips.c (mips_load_call_address): Check
1873         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1874         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1875         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1876         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1877         TARGET_ABICALLS && TARGET_NEWABI.
1878         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1879         TARGET_ABICALLS.
1880         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1881         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1882         TARGET_ABICALLS && TARGET_NEWABI.
1883         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1884         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1885         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1886         whether indirect calls must use $25.
1887         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1888         TARGET_ABICALLS.
1889         * config/mips/mips.md (jal_macro): Check flag_pic and
1890         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1891         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1892         instead of TARGET_ABICALLS.
1893         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1894         TARGET_ABICALLS && TARGET_OLDABI.
1895         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1896         (sibcall): In the comment above the define_insn, mention
1897         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1898         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1899         instead of TARGET_ABICALLS.
1900
1901 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1902
1903         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1904         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1905         (MACFLAGS_MATCH_P): New macro.
1906         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1907         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1908         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1909         the other MACFLAG constants.
1910         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1911         (flag_machi): Tighten constraints.  Renumber some of the operands.
1912         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1913         output template.
1914         (flag_machi_parts_acconly): New pattern.
1915         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1916         used.
1917         (flag_macinit1hi): Tighten constraints.
1918         (flag_mul_macv2hi_parts_acconly): New pattern.
1919
1920         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1921         Use a more efficient implementation.
1922         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1923         inline sequences when not optimizing for size.
1924
1925         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1926         movhi_high2low): Delete, merge functionality into...
1927         (packv2hi): ... this pattern.
1928
1929         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1930         * config/bfin/bfin.opt (msim): New option.
1931         (mcpu=): New option.
1932         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1933         (bfin_cpu_t): Typedef of enum bfin_cpu.
1934         (bfin_cpu_type): New declaration.
1935         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1936         -msim and -mcpu= options.
1937         (LIB_SPEC): Likewise.
1938         * config/bfin/bfin.c (bfin_cpu_type): Define.
1939         (bfin_handle_option): Handle -mcpu= option.
1940         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1941         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1942         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1943
1944 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1945
1946         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1947         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1948         (powerpc-wrs-vxworksae): Use ${tm_file}.
1949         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1950         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1951         * config/i386/vx-common.h: New file.
1952
1953 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1954
1955         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1956         of crt0.o%s.
1957
1958 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1959
1960         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1961         ldxtr.
1962
1963 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1964
1965         PR c++/31078
1966         PR c++/31103
1967         * c-common.c (c_build_qualified_type): Set canonical type
1968         appropriately.
1969
1970 2007-04-12  Richard Guenther  <rguenther@suse.de>
1971
1972         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1973         lower bound and element size if lower bound is not zero
1974         or either of the ARRAY_REF operands is set.
1975
1976 2007-04-12  Richard Guenther  <rguenther@suse.de>
1977
1978         PR tree-optimization/24689
1979         PR tree-optimization/31307
1980         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1981         indices by value.
1982         * gimplify.c (canonicalize_addr_expr): To be consistent with
1983         gimplify_compound_lval only set operands two and three of
1984         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1985         it never at this place.
1986         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1987
1988 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1989
1990         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1991         null before emitting a .nsubspa directive.
1992
1993 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1994
1995         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1996         need_to_partition_p if there are no memory statements in the
1997         function.
1998
1999 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2000
2001         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2002         (gcd_of_steps_may_divide_p): New function.
2003         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2004
2005 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2006
2007         * reload.c (find_reloads_toplev, find_reloads_address,
2008         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2009         not a pointer equality test, to decide if we need to call
2010         push_reg_equiv_alt_mem.
2011
2012 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2013
2014         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2015         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2016         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2017
2018 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2019
2020         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2021         vector to be positive.
2022
2023 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2024
2025         PR 30735
2026         PR 31090
2027         * doc/invoke.texi: Document --params max-aliased-vops and
2028         avg-aliased-vops.
2029         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2030         debug_memory_partitions): Move to tree-flow.h
2031         * params.h (AVG_ALIASED_VOPS): Define.
2032         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2033         users.
2034         (mp_info_t): Likewise.
2035         (get_mem_sym_stats_for): New.
2036         (set_memory_partition): Move from tree-flow-inline.h.
2037         (mark_non_addressable): Only clear the set of symbols for the
2038         partition if it exists.
2039         (dump_memory_partitions): Move from tree-ssa-operands.c
2040         (debug_memory_partitions): Likewise.
2041         (need_to_partition_p): New.
2042         (dump_mem_ref_stats): New.
2043         (debug_mem_ref_stats): New.
2044         (dump_mem_sym_stats): New.
2045         (debug_mem_sym_stats): New.
2046         (update_mem_sym_stats_from_stmt): New.
2047         (compare_mp_info_entries): New.
2048         (mp_info_cmp): Call it.
2049         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2050         objects.
2051         (get_mpt_for): Move from tree-ssa-operands.c.
2052         (find_partition_for): New.
2053         (create_partition_for): Remove.
2054         (estimate_vop_reduction): New.
2055         (update_reference_counts): New.
2056         (build_mp_info): New.
2057         (compute_memory_partitions): Refactor.
2058         Document new heuristic.
2059         Call build_mp_info, update_reference_counts,
2060         find_partition_for and estimate_vop_reduction.
2061         (compute_may_aliases): Populate virtual operands before
2062         calling debugging dumps.
2063         (delete_mem_sym_stats): New.
2064         (delete_mem_ref_stats): New.
2065         (init_mem_ref_stats): New.
2066         (init_alias_info): Call it.
2067         (maybe_create_global_var): Remove alias_info argument.
2068         Get number of call sites and number of pure/const call sites
2069         from gimple_mem_ref_stats().
2070         (dump_alias_info): Call dump_memory_partitions first.
2071         (dump_points_to_info_for): Show how many times a pointer has
2072         been dereferenced.
2073         * opts.c (decode_options): For -O2 set --param
2074         max-aliased-vops to 500.
2075         For -O3 set --param max-aliased-vops to 1000 and --param
2076         avg-aliased-vops to 3.
2077         * fortran/options.c (gfc_init_options): Remove assignment to
2078         MAX_ALIASED_VOPS.
2079         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2080         * tree-dfa.c (dump_variable): Dump memory reference
2081         statistics.
2082         Dump NO_ALIAS* settings.
2083         (referenced_var_lookup): Tidy.
2084         (mem_sym_stats): New.
2085         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2086         and ORIG are different SSA names for a memory partition.
2087         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2088         * tree-flow.h (struct mem_sym_stats_d): Define.
2089         (mem_sym_stats_t): Define.
2090         (struct mem_ref_stats_d): Define.
2091         (struct gimple_df): Add field mem_ref_stats.
2092         (enum noalias_state): Define.
2093         (struct var_ann_d): Add bitfield noalias_state.
2094         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2095         debug_mem_ref_stats, debug_memory_partitions,
2096         debug_mem_sym_stats): Declare.
2097         * tree-ssa-structalias.c (update_alias_info): Update call
2098         sites, pure/const call sites and asm sites in structure
2099         returned by gimple_mem_ref_stats.
2100         Remove local variable IS_POTENTIAL_DEREF.
2101         Increase NUM_DEREFS if the memory expression is a potential
2102         dereference.
2103         Call update_mem_sym_stats_from_stmt.
2104         If the memory references memory, call
2105         update_mem_sym_stats_from_stmt for all the direct memory
2106         symbol references found.
2107         (intra_create_variable_infos): Set noalias_state field for
2108         pointer arguments according to the value of
2109         flag_argument_noalias.
2110         * tree-ssa-structalias.h (struct alias_info): Remove fields
2111         num_calls_found and num_pure_const_calls_found.
2112         (update_mem_sym_stats_from_stmt): Declare.
2113         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2114         Set default value to 100.
2115         (PARAM_AVG_ALIASED_VOPS): Define.
2116
2117 2007-04-11  Richard Guenther  <rguenther@suse.de>
2118
2119         PR middle-end/31530
2120         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2121         a * -b + c as c - a * b if we honor sign dependent rounding.
2122
2123 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2124
2125         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2126         bfin_expand_strmov.
2127         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2128         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2129         variables.
2130         (initialize_trampoline): Don't use old-style function definition.
2131         (bfin_secondary_reload): Mark IN_P argument as unused.
2132
2133 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2134
2135         PR tree-optimization/31343
2136         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2137         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2138         * testsuite/gcc.dg/vect/pr31343.c: New.
2139
2140 2007-04-10  Eric Christopher  <echristo@apple.com>
2141
2142         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2143         * config/i386/i386.md (*cmpfp0): Use.
2144         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2145         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2146         (fix_trunc<mode>_i386_fisttp): Ditto.
2147         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2148         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2149         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2150         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2151         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2152         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2153         (unnamed_splitters): Ditto.
2154         * config/i386/i386.c (output_fix_trunc): Assert that
2155         we're not being passed a TFmode operand.
2156
2157 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2158
2159         PR tree-optimization/31526
2160         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2161         n_basic_blocks to find newly added blocks.
2162
2163 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2164
2165         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2166         alternative.
2167         (fix_trunc<mode>si_sse): Ditto.
2168         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2169         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2170         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2171         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2172         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2173         expander using SSEMODEF mode macro.
2174         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2175         expander using SSEMODEF mode macro.
2176         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2177         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2178         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2179         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2180         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2181         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2182         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2183         Macroize insn using X87MODEF mode macro.
2184
2185 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2186
2187         * config/i386/sse.md (sse2_pinsrw): Removed.
2188         (sse2_pextrw): Renamed to ...
2189         (*sse2_pextrw): This.
2190
2191 2007-04-09  Jan Hubicka  <jh@suse.cz>
2192
2193         PR target/27869
2194         * config/i386/sse.md
2195         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2196         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2197         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2198         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2199
2200 2007-04-09  Jan Hubicka  <jh@suse.cz>
2201
2202         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2203         multiple fields of union.
2204
2205 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2206
2207         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2208         (create_preheaders): Check that loops are available.
2209         (fix_loop_structure): Clean up, improve comments.
2210         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2211         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2212         state flags.
2213         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2214         * predict.c (tree_estimate_probability): Do not call
2215         calculate_dominance_info.  Call create_preheaders.
2216         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2217         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2218         flags.
2219         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2220         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2221         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2222         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2223         arguments.
2224
2225 2007-04-08  Jan Hubicka  <jh@suse.cz>
2226
2227         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2228         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2229         * fold-const.c (fold_unary): Use it.
2230
2231 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2232
2233         * varasm.c (assemble_variable): Remove call to
2234         lang_hooks.decls.prepare_assemble_variable.
2235         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2236         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2237         * langhooks.h (lang_hooks_for_decls): Remove
2238         prepare_assemble_variable.
2239
2240 2007-04-08  Mike Stump  <mrs@apple.com>
2241
2242         * config/i386/i386.c: Use inc/dec on Core2.
2243
2244 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2245
2246         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2247         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2248         lhd_tree_inlining_end_inlining): Remove.
2249         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2250         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2251         end_inlining hooks.
2252         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2253         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2254         lhd_tree_inlining_end_inlining): Remove prototypes.
2255         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2256         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2257         LANG_HOOKS_TREE_INLINING_START_INLINING,
2258         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2259
2260         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2261         not set it.
2262
2263 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2264
2265         PR target/29932
2266         * config/avr/predicates.md (io_address_operand): Delete predicate.
2267         (low_io_address_operand): Don't use 'mode' argument.
2268         (higth_io_address_operand): Rename ...
2269         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2270         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2271         for above change.
2272
2273 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2274
2275         Revert change removing staticp.
2276
2277 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2278
2279         PR target/30289
2280         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2281         earlyclobber.
2282
2283 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2284
2285         * c.opt: Add -Wformat-contains-nul.
2286         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2287           -Wformat setting.
2288         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2289         the NUL byte warning.
2290
2291 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2292
2293         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2294
2295 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2296
2297         * tree.c (staticp): No longer use staticp langhook.
2298         * langhooks.c (lhd_staticp): Removed.
2299         * langhooks.h (struct lang_hooks): Remove staticp.
2300         * c-common.c (c_staticp): Remove.
2301         * c-common.h (c_staticp): Ditto.
2302         * langhooks-defs.h (lhd_staticp): Ditto.
2303         (LHD_HOOKS_STATICP): Ditto
2304         * tree.h (gcc_assert_lowered): New macro.
2305
2306 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2307
2308         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2309         argument "reliable".
2310         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2311         Add argument "reliable".  Propagate it through calls.
2312         (infer_loop_bounds_from_undefined):  Derive number of iterations
2313         estimates from references in blocks that do not dominate loop latch.
2314         (gcov_type_to_double_int): New function.
2315         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2316         and expected_loop_iterations_unbounded.
2317         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2318         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2319         * tree-data-ref.c (estimated_loop_iterations): Export.
2320         (get_references_in_stmt): Fix -- do not return addresses of local
2321         objects.
2322         * cfgloop.h (expected_loop_iterations_unbounded,
2323         estimated_loop_iterations): Declare.
2324
2325 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2326
2327         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2328
2329 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2330
2331         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2332         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2333         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2334         Use output_387_reg_move().
2335         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2336         expander using X87MODEF12 mode macro.
2337         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2338         choosing register preferences.  Use output_387_reg_move().
2339         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2340         instead of "x".  Use output_387_reg_move().
2341         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2342         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2343         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2344         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2345         Use output_387_reg_move().
2346         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2347         mode macro.
2348         (*truncxf?f_i387 splitter): Ditto.
2349
2350 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2351
2352         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2353         LANG_HOOKS_SAFE_FROM_P.
2354         * expr.c (safe_from_p): Remove langhook call.
2355         * langhooks.h (lang_hooks): Remove safe_from_p.
2356         (lhd_safe_from_p): Remove prototype.
2357         * langhooks.c (lhd_safe_from_p): Remove.
2358
2359 2007-04-06  Jan Hubicka  <jh@suse.cz>
2360
2361         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2362         functions.
2363
2364 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2365
2366         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2367         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2368         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2369         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2370         alternative.
2371         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2372         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2373
2374 2007-04-05  Richard Henderson  <rth@redhat.com>
2375
2376         * config/alpha/alpha.c (print_operand) [+]: Remove.
2377         (alpha_end_function): Print nop if call at end of function.
2378         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2379         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2380         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2381         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2382         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2383         the call pattern. Update peepholes to match.
2384
2385 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2386
2387         * doc/extend.texi (Other Builtins): Add decimal float variants
2388         of signbit.
2389         * builtins.def: Ditto.
2390         * builtins.c (expand_builtin): Ditto.
2391
2392 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2393             H.J. Lu  <hongjiu.lu@intel.com>
2394
2395         PR target/31478
2396         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2397         of V8HImode when calling ix86_binary_operator_ok.
2398         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2399         (sdot_prodv8hi): Operands 1 and 2 must be register.
2400
2401 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2402
2403         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2404         initialize align to silence bogus warning.
2405
2406 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2407
2408         PR middle-end/22156
2409         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2410         all_no_warning.
2411         (struct sra_walk_fns): Remove use_all parameter from use.
2412         (sra_hash_tree): Handle BIT_FIELD_REFs.
2413         (sra_elt_hash): Don't hash bitfld blocks.
2414         (sra_elt_eq): Skip them in parent compares as well.  Handle
2415         BIT_FIELD_REFs.
2416         (sra_walk_expr): Don't maintain or pass down use_all_p.
2417         (scan_use): Remove use_all parameter.
2418         (scalarize_use): Likewise.  Re-expand assignment to
2419         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2420         output, and re-scalarize after output.  Don't mark anything
2421         for no warning.
2422         (scalarize_ldst): Adjust.
2423         (scalarize_walk_gimple_modify_statement): Likewise.
2424         (build_element_name_1): Handle BIT_FIELD_REFs.
2425         (instantiate_element): Don't warn for any element whose parent
2426         is used as a whole.
2427         (instantiate_missing_elements_1): Return the sra_elt.
2428         (canon_type_for_field): New.
2429         (try_instantiate_multiple_fields): New.
2430         (instantiate_missing_elemnts): Use them.
2431         (mark_no_warning): Removed.
2432         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2433         (REPLDUP, sra_build_elt_assignment): New.
2434         (generate_copy_inout): Use them.
2435         (generate_element_copy): Likewise.  Handle bitfld differences.
2436         (generate_element_zero): Don't recurse for blocks.  Use
2437         sra_build_elt_assignment.
2438         (generate_one_element_int): Take elt instead of var.  Use
2439         sra_build_elt_assignment.
2440         (generate_element_init_1): Adjust.
2441         (scalarize_use, scalarize_copy): Use REPLDUP.
2442         (scalarize_ldst): Move assert before dereference.
2443         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2444
2445 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2446
2447         * regmove.c: Fix unused variable warnings due to previous commit.
2448
2449 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2450
2451         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2452         (regmove_bb_head): Remove.
2453         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2454         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2455         problems with fixup_match_1.
2456         Don't initialize/free regmove_bb_head.
2457
2458         (reg_is_remote_constant_p): If an insn is in the same basic block
2459         but not before INSN, consider it remote, too.
2460
2461 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2462
2463         PR target/25448
2464         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2465         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2466
2467 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2468
2469         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2470         (CONDITIONAL_REGISTER_USAGE): Likewise.
2471
2472 2007-04-04  Richard Henderson  <rth@redhat.com>
2473
2474         * config/alpha/lib1funcs.asm: Remove unused file.
2475
2476 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2477
2478         PR other/31356
2479         * opts.c (print_specific_help): Fix --help=<language>
2480         header line.
2481         (common_handle_option): Support --help=common.
2482
2483 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2484
2485         PR other/31353
2486         * gcc.c (main): Do not run the linker if
2487         print_subprocess_help indicates that it shouldn't be
2488         run.
2489
2490 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2491
2492         PR doc/31355
2493         * doc/invoke.texi (--help=): Document <languages> value, fix
2494         formatting in tables of values.
2495
2496 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2497
2498         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2499         dllimport attribute of virtual methods.
2500
2501 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2502
2503         * config/score/crti.asm: Change _bss_start to __bss_start.
2504         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2505         (OUTGOING_REG_PARM_STACK_SPACE) update.
2506         * config/score/score.opt: add options to make backend support
2507         score5, score5u, score7 and score7d.
2508         * config/score/score.md: Likewise.
2509         * config/score/misc.md: Likewise.
2510         * config/score/mac.md: Likewise.
2511         * doc/invoke.texi: Likewise.
2512         * doc/md.texi: update constraints define.
2513
2514 2007-04-03  Richard Henderson  <rth@redhat.com>
2515
2516         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2517         an appropriate type, use the mode instead.
2518
2519 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2520
2521         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2522         Set the default --with-arch setting to mips2.
2523         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2524         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2525         (MULTILIB_OSDIRNAMES): Delete.
2526         (MULTILIB_DIRNAMES): Define.
2527         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2528         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2529         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2530         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2531         VXWORKS_OS_CPP_BUILTINS.
2532         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2533         (MIPS_DEBUGGING_INFO): Undefine.
2534         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2535
2536 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2537
2538         PR middle-end/30704
2539         * fold-const.c (native_encode_real): Encode real.c provided longs
2540         as a series of 32-bit native integers.
2541         (native_interpret_real): Interpret buffer as a series of 32-bit
2542         native integers.
2543
2544 2007-04-03  Richard Guenther  <rguenther@suse.de>
2545
2546         * genpreds.c (write_insn_constraint_len): Write function
2547         optimized for CONSTRAINT_LEN implementation.
2548         (write_tm_preds_h): Output insn_constraint_len inline and
2549         use it for CONSTRAINT_LEN.
2550         (write_insn_preds_c): Don't output insn_constraint_len.
2551         * doc/md.texi (define_register_constraint): Document multi-letter
2552         constraints shall have the same length if they start with the same
2553         letter.
2554
2555 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2556
2557         PR target/31175
2558         * config/i386/i386.md (isinf<mode>2): Expand only when
2559         TARGET_C99_FUNCTIONS is set.
2560
2561 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2562
2563         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2564         (x86_64-*-linux*): Ditto.
2565         * config/i386/i386.opt (mpc): New option.
2566         * config/i386/i386.c (overrride_options): Handle
2567         ix87_precision_string.
2568         * config/i386/crtprec.c: New file.
2569         * config/i386/t-crtpc: Ditto.
2570         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2571         and -mpc80 options.
2572         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2573         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2574         crtprec32.o, crtprec64.o and crtprec80.o.
2575
2576         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2577         and -mpc80 options.
2578         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2579
2580 2007-04-02  Eric Christopher  <echristo@apple.com>
2581
2582         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2583         limitations on darwin.
2584
2585 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2586
2587         PR target/31137
2588         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2589
2590 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2591
2592         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2593
2594 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2595
2596         * libgcc2.h (exception_descriptor): Don't forward-declare.
2597         (__get_eh_table_language, __get_eh_table_version): Delete
2598         prototypes of long-dead functions.
2599
2600 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2601
2602         * ebitmap.h: New file
2603         * ebitmap.c: New file
2604         * Makefile.in (ebitmap.o): New target.
2605
2606 2007-04-01  Jan Hubicka  <jh@suse.cz>
2607
2608         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2609         before very first instruction.
2610
2611 2007-04-01  Jan Hubicka  <jh@suse.cz>
2612
2613         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2614         waring on 64bit hosts.
2615         * bitmap.h: Fix typo in bitmap_head_def.
2616
2617 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2618
2619         PR rtl-optimization/31391
2620         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2621         into a DELETED_LABEL note, and the label is in an empty basic
2622         block, update BB_END as well as BB_HEAD.
2623
2624 2007-04-01  Richard Henderson  <rth@redhat.com>
2625
2626         PR tree-optimization/31169
2627         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2628         to varying if the range is outside [0,  prec-1].
2629
2630 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2631
2632         PR target/31388
2633         * config/mips/mips.md (load_const_gp): New insn.
2634         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2635         the MIPS16 GP pseudo register if no_new_pseudos.
2636         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2637
2638 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2639
2640         PR target/31364
2641         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2642         secureplt.
2643         (call_value): Likewise.
2644
2645 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2646             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2647
2648         PR 14737
2649         * doc/invoke.texi: (optimization options): Reword description
2650         of -ffast-math. Document its primary purpose.
2651
2652 2007-03-31  Richard Guenther  <rguenther@suse.de>
2653
2654         * omp-low.c (splay-tree.h): Include.
2655         (lookup_decl): Replace splay-tree usage by pointer-map.
2656         (maybe_lookup_decl): Likewise.
2657         (new_omp_context): Likewise.
2658         (delete_omp_context): Likewise.
2659         * gimplify.c (splay-tree.h): Include.
2660         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2661         pointer-map.
2662         (remap_ssa_name): Likewise.
2663         (remap_decl): Likewise.
2664         (remap_type_1): Likewise.
2665         (remap_type): Likewise.
2666         (copy_body_r): Likewise.
2667         (expand_call_inline): Likewise.
2668         (clone_body): Likewise.
2669         (copy_tree_r): Likewise.
2670         (remap_save_expr): Likewise.
2671         (unsave_r): Likewise.
2672         (unsave_expr_now): Likewise.
2673         (tree_function_versioning): Likewise.
2674         (build_duplicate_type): Likewise.
2675         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2676         (struct copy_body_data): Replace splay-tree by pointer-map.
2677         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2678         not $(SPLAY_TREE_H).
2679         (gimplify.o): Depend on $(SPLAY_TREE_H).
2680         (omp-low.p): Likewise.
2681
2682 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2683
2684         * config/avr/predicates.md (even_register_operand,
2685         odd_register_operand): New predicates.
2686         * config/avr/avr.md (movw peephole2): New.
2687         (movw_r peephole2): New.
2688
2689 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2690
2691         * tree.h (get_signed_or_unsigned_type): New.
2692         * fold-const.c (operand_equal_for_comparison_p): Use
2693         get_signed_or_unsigned_type instead of
2694         lang_hooks.types.signed_or_unsigned_type.
2695         * expr.c (store_expr): Ditto.
2696         * langhooks.c (get_signed_or_unsigned_type): New.
2697         (lhd_signed_or_unsigned_type): New.
2698         * langhooks.h (lhd_signed_or_unsigned_type): New.
2699         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2700
2701 2007-03-30  Richard Henderson  <rth@redhat.com>
2702
2703         * tree-ssa-loop-ivopts.c: Include target.h.
2704         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2705         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2706         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2707         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2708
2709 2007-03-30  Richard Henderson  <rth@redhat.com>
2710             Kai Tietz  <kai.tietz@onevision.com>
2711
2712         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2713         default for 64-bit.
2714         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2715         (TARGET_64BIT_MS_ABI): New.
2716         (DBX_REGISTER_NUMBER): Handle 64-bit.
2717         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2718         (LONG_TYPE_SIZE): Force to 32.
2719         (REG_PARM_STACK_SPACE): New.
2720         (OUTGOING_REG_PARM_STACK_SPACE): New.
2721         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2722         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2723         (STACK_BOUNDARY): Use 128 for 64-bit.
2724         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2725         Add 64-bit implementation.
2726         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2727         argument unused.
2728         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2729         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2730         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2731         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2732         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2733         TARGET_64BIT_MS_ABI.
2734         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2735         (ix86_pass_by_reference): Likewise.
2736         (ix86_function_value_regno_p): Likewise.
2737         (ix86_build_builtin_va_list): Likewise.
2738         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2739         (function_arg_advance_ms_64): New.
2740         (function_arg_advance): Call it.
2741         (function_arg_ms_64): New.
2742         (function_arg): Call it.
2743         (function_value_ms_64): New.
2744         (ix86_function_value_1): Call it.
2745         (return_in_memory_ms_64): New.
2746         (ix86_return_in_memory): Call it.
2747         (setup_incoming_varargs_ms_64): New.
2748         (ix86_setup_incoming_varargs): Call it.
2749         (ix86_expand_prologue): Handle 64-bit stack probing.
2750         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2751         (output_pic_addr_const): Likewise.
2752         (x86_this_parameter): Likewise.
2753         (x86_output_mi_thunk): Likewise.
2754         (x86_function_profiler): Likewise.
2755         (TARGET_STRICT_ARGUMENT_NAMING): New.
2756         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2757         (TARGET_64BIT_MS_ABI): New.
2758         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2759         * config/i386/i386.md (allocate_stack_worker): Remove.
2760         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2761         describe the clobber of eax without a match_scratch.
2762         (allocate_stack_worker_postreload): Remove.
2763         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2764         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2765         (allocate_stack_worker_rex64_postreload): Remove.
2766         (allocate_stack): Handle 64-bit.
2767         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2768         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2769         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2770         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2771         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2772         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2773         * config.build (x86_64-*-mingw*): New host.
2774         * config.host (x86_64-*-mingw*): New host.
2775         * config.gcc (x86_64-*-mingw*): New target.
2776         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2777
2778 2007-03-30  Richard Henderson  <rth@redhat.com>
2779             Kai Tietz  <kai.tietz@onevision.com>
2780
2781         * c-pragma.c (struct def_pragma_macro_value): New.
2782         (struct def_pragma_macro): New.
2783         (pushed_macro_table): New.
2784         (dpm_hash, dpm_eq): New.
2785         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2786         (init_pragma): Install them.
2787         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2788
2789 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2790
2791         * config/avr/avr.c (avr_override_options): Clear
2792         'flag_delete_null_pointer_checks'.
2793
2794 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2795
2796         PR c++/26099
2797         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2798         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2799         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2800         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2801         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2802         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2803         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2804         C++ extensions.
2805         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2806
2807 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2808
2809         * regmove.c: Move all of pass_stack_adjustments from here...
2810         * combine-stack-adj.c: ...to this new file.
2811         * Makefile.in: Add rules for combine-stack-adj.o.
2812
2813 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2814
2815         PR tree-optimization/31383
2816         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2817         to have the same length.
2818
2819 2007-03-30  Jan Hubicka  <jh@suse.cz>
2820
2821         PR middle-end/30700
2822         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2823         availablility; add more sanity checking; ask varpool only about
2824         VAR_DECL.
2825
2826 2007-03-29  Richard Henderson  <rth@redhat.com>
2827
2828         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2829         to decide, but __SIZEOF_LONG_LONG__.
2830
2831 2007-03-29  Richard Henderson  <rth@redhat.com>
2832
2833         * emutls.c (struct __emutls_array): New.
2834         (emutls_destroy): Use it instead of casting element 0 from void*.
2835         (__emutls_get_address): Likewise.
2836
2837 2007-03-29  Richard Henderson  <rth@redhat.com>
2838
2839         * varasm.c (initializer_constant_valid_p): Don't deny
2840         DECL_DLLIMPORT_P on functions.
2841
2842         * config/i386/cygming.h: Remove function declarations.
2843         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2844         (ASM_OUTPUT_LABELREF): Remove.
2845         (COMMON_ASM_OP): Remove.
2846         (ASM_OUTPUT_COMMON): Remove.
2847         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2848         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2849         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2850         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2851         Rename from TARGET_ENCODE_SECTION_INFO.
2852         * config/i386/netware.h: Likewise.
2853         * config/i386/i386-protos.h: Update.
2854         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2855         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2856         (legitimate_constant_p): Reject dllimports.
2857         (dllimport_map, get_dllimport_decl): New.
2858         (legitimize_dllimport_symbol): New.
2859         (legitimize_address, ix86_expand_move): Use it.
2860         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2861         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2862         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2863         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2864         * config/i386/predicates.md (constant_call_address_operand): Only
2865         accept symbols; reject dllimport_p symbols.
2866         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2867         i386_pe_maybe_record_exported_symbol.
2868         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2869         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2870         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2871         trust the setting of DECL_DLLIMPORT_P.
2872         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2873         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2874         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2875         tidy the argument scanning loop.
2876         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2877         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2878         (i386_pe_strip_name_encoding): Remove.
2879         (i386_pe_binds_local_p): New.
2880         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2881         (i386_pe_output_labelref): Remove.
2882         (i386_pe_asm_output_aligned_decl_common): New.
2883         (i386_pe_maybe_record_exported_symbol): Rename from
2884         i386_pe_record_exported_symbol; check for dllexported symbols.
2885
2886 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2887
2888         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2889         add comment explaining why vsnprintf cannot be used.
2890
2891 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2892
2893         PR tree-optimization/30666
2894         * tree.c (build_complex_type): When creating type names for DWARF2
2895         debug info, create TYPE_DECLs for TYPE_NAME instead of
2896         IDENTIFIER_NODEs.
2897         (build_common_tree_nodes_2): Use build_complex_type when building
2898         predefined complex types, to preserve canonical types.
2899
2900 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2901
2902         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2903         (noce_get_alt_condition): Look at it to determine whether to
2904         reverse the condition or not.
2905         (noce_get_condition): Substitute the truth for lies.
2906         (noce_find_if_block): Set the then_else_reversed field.
2907
2908 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2909
2910         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2911         destination of this insn.
2912         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2913         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2914         'address + 4' rather than a stack based temporary which can be
2915         mis-optimized away.
2916
2917 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2918
2919         * config/s390/s390.c (s390_secondary_input_reload_class,
2920         s390_secondary_output_reload_class): Functions removed.
2921         (s390_secondary_reload): New function.
2922         (TARGET_SECONDARY_RELOAD): Target macro defined.
2923         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2924         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2925         * config/s390/s390.md ("reload_outti", "reload_outdi",
2926         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2927         "reload_out<mode>"): Expanders removed.
2928         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2929         "reload<mode>_nonoffmem_out"): Expanders added.
2930
2931 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2932
2933         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2934         SRC->DEST replacement failed anyway.
2935
2936 2007-03-28  Mike Stump  <mrs@apple.com>
2937
2938         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2939         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2940         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2941
2942 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2943
2944         * config.gcc: Accept barcelona as a variant of amdfam10.
2945         * config/i386/i386.c (override_options): Likewise.
2946         * doc/invoke.texi: Likewise.
2947
2948 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2949
2950         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2951         offsets for BIT_FIELD_REF and COMPONENT_REF.
2952
2953 2007-03-28  Richard Guenther  <rguenther@suse.de>
2954
2955         * tree.c (is_global_var): Move ...
2956         * tree-flow-inline.h (is_global_var): ... here.
2957         * tree.h (is_global_var): Remove declaration.
2958
2959 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2960
2961         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2962         option.
2963         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2964         * config/i386/i386.c (ix86_tune_features): Initialize new
2965         tuning option.
2966         * config/i386/predicates.md (promotable_binary_operator): Use
2967         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2968
2969 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2970
2971         PR target/31380
2972         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2973
2974 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2975
2976         * config/fr30/fr30.md (movsi_internal): Change destination
2977         constraint from m to V and add m to the end.
2978
2979 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2980
2981         * config/sh/sh.md (movsi_i): Fix type attribute.
2982
2983 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2984
2985         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2986         (movsf_ie): Likewise.
2987
2988 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2989
2990         * config.gcc: Add sh4-300 to multilib.
2991         * config/sh/t-mlib-sh4-300: New file.
2992
2993 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2994
2995         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2996         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2997         fix_trunc<mode>di2.
2998         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2999         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3000         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3001         "fixuns_trunctddi2"): Whitespace fix.
3002
3003 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3004
3005         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3006         the definition of struct sh_args.
3007         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3008         CALL_COOKIE_INT_REG_GET): Likewise.
3009
3010 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3011
3012         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3013         transformations are applied successfully.
3014
3015 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3016
3017         * tree.c (tree_contains_struct): Permit 512 tree codes.
3018         * tree.h (tree_contains_struct): Ditto.
3019         (MAX_TREE_CODES): Ditto.
3020         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3021         SPARE member to store remaining padding bits.
3022
3023 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3024
3025         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3026         architecture.
3027
3028 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3029
3030         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3031         * configure: Regenerate.
3032
3033         * configure: Regenerate using the correct version of autoconf.
3034
3035 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3036
3037         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3038         pointer regs.
3039         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3040         regs to "__SP_L__" and "__SP_H__".
3041
3042 2007-03-27  Richard Guenther  <rguenther@suse.de>
3043
3044         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3045         computations with it with a HOST_WIDE_INT variable.
3046
3047 2007-03-26  Mike Stump  <mrs@apple.com>
3048
3049         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3050         objective-c-header, objective-c++-header and objc++-cpp-output
3051         support.
3052         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3053
3054 2007-03-26  Richard Henderson  <rth@redhat.com>
3055
3056         PR target/31361
3057         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3058         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3059         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3060         IX86_BUILTIN_PSRLQ128): New.
3061         (ix86_init_mmx_sse_builtins): Add them.
3062         (ix86_expand_builtin): Expand them.
3063         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3064         operand 2 be TImode.
3065         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3066         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3067         _mm_srli_epi64): Mark __B const.
3068         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3069         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3070         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3071         new two-vector shift builtins.
3072
3073 2007-03-26  Ian Lance Taylor  <iant@google.com>
3074
3075         PR tree-optimization/31345
3076         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3077         [+INF, +INF(OVF)] into VARYING.
3078
3079 2007-03-26  Zack Weinberg  <zackw@panix.com>
3080
3081         * gengtype-parse.c: New file.
3082         * gengtype-yacc.y: Delete.
3083         * gengtype-lex.l: Don't include gengtype-yacc.h.
3084         Define YY_DECL and yyterminate appropriately for recursive
3085         descent parser.  yylval is now a string out-parameter to yylex.
3086         (HWS, EOID): New shorthand.
3087         (IWORD): Add a couple more types.
3088         (yylex): Add a setup stanza.  Remove the complex rules for
3089         detecting GTY'ed types and typedefs; replace with simple
3090         keyword detectors.  Adjust everything for the changed
3091         definition of yylval.  Ignore all pp-directives, not just #define.
3092         (yyerror): Delete.
3093         (parse_file): Rename yybegin; do not call yyparse.
3094         (yyend): New.
3095         * gengtype.c (xasprintf): Export again.
3096         (this_file): New.  Use everywhere __FILE__ was being used.
3097         (get_lang_bitmap): Special case types defined in gengtype.c.
3098         (do_typedef, new_structure): Suppress definition of certain types.
3099         (new_structure): Improve diagnostics of duplicate definitions.
3100         Make sure location_s is associated with input.h.
3101         (nreverse_pairs, define_location_structures): New functions.
3102         (main): Improve tagging of kludge types.  Remove old kludges
3103         for input.h types; use define_location_structures.
3104         * gengtype.h: Update prototypes.  Define token codes here.
3105         * Makefile.in: Remove all references to gengtype-yacc.
3106         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3107         and gengtype.
3108         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3109         add GTY((skip)) to the field that's only conditionally there.
3110         * doc/install.texi: Document that Bison is no longer required
3111         unless building treelang.
3112
3113         * gengtype.c: Don't include gtyp-gen.h.
3114         (srcdir): Declare here.
3115         (base_files, lang_dir_names): Allocate dynamically.
3116         (gt_files, num_gt_files, num_lang_dirs): New globals.
3117         (measure_input_list, read_input_line, read_input_list)
3118         (set_lang_bitmap): New functions.
3119         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3120         simplify, relying on read_input_list to set up the bitmaps.
3121         (main): Arguments are no longer unused.  Check for correct number
3122         of command line arguments, set srcdir and srcdir_len, then call
3123         read_input_list, before doing anything else.  No need to worry
3124         about duplicates in main loop.
3125         * configure.ac: Simplify the calculation of all_gtfiles.
3126         Put language tags in there.  Don't set or substitute
3127         all_gtfiles_files_langs or all_gtfiles_files_frags.
3128         * Makefile.in: Revamp the way gengtype is invoked, now that it
3129         takes a file on its command line with a much simpler format.
3130         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3131         (GTFILES): Remove duplicates and C source files.
3132         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3133         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3134         * configure: Regenerate.
3135
3136         * gengtype.h: Remove all type definitions to gengtype.c; leave
3137         only definitions of options_p, type_p, and pair_p as opaque
3138         pointers.  Update prototypes.
3139         * gengtype.c: Many type definitions moved here from gengtype.h.
3140         Consolidate type definitions at the top of the file.
3141         (xvasprintf): Delete.
3142         (xasprintf): Make static.
3143         (create_nested_pointer_option): Add 'next' parameter.
3144         (create_field_all, create_field_at): New functions.
3145         (create_field): Now a thin wrapper around create_field_all.
3146         (create_optional_field): Rename create_optional_field_ and add
3147         line argument.  Original name is now a macro which supplies
3148         __LINE__.
3149         (oprintf): Use vsnprintf directly.
3150         (close_output_files): Use fatal rather than perror/exit.
3151         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3152         (main): Set progname.  Don't use exit.
3153         * gengtype-yacc.y (struct_fields): Use create_field_at.
3154         (option, optionseqopt): Delete.
3155         (optionseq): Consolidate productions from option here so we
3156         can use the first argument to create_option.
3157
3158         * gengtype-lex.l: Distinguish unions from structures in the
3159         token type.  Don't call find_structure; return the tag as a string.
3160         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3161         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3162         Reorganize typedef_struct production accordingly.
3163         Use create_nested_ptr_option.
3164         * gengtype.c (create_nested_ptr_option): New function.
3165         * gengtype.h: Declare it.
3166
3167         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3168         (string_type): Don't declare.
3169         (do_scalar_typedef): Declare.
3170         (create_scalar_type): Update prototype.
3171         * gengtype.c (string_type): Make static.
3172         (scalar_nonchar, scalar_char): New.
3173         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3174         (resolve_typedef): Use scalar_nonchar for error recovery.
3175         (create_scalar_type): Remove name_len field.  Return scalar_char
3176         or scalar_nonchar as appropriate.
3177         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3178         to use string_type.
3179         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3180         whenever possible.
3181         (main): Initialize scalar_char and scalar_nonchar before calling
3182         gen_rtx_next.
3183         * gengtype-lex.l: Adjust for removal of second argument to
3184         create_scalar_type.  Use yylval.s instead of yylval.t when
3185         returning SCALAR.
3186         * gengtype-yacc.y: Type of SCALAR is string.  Call
3187         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3188         second argument to create_scalar_type.
3189
3190         * vec.h: Remove all #if IN_GENGTYPE blocks.
3191         Add comment saying that changes may require adjustments to gengtype.
3192         * gengtype.c: Don't include coretypes.h or tm.h.
3193         Add comment to inclusion of errors.h.
3194         (note_def_vec, note_def_vec_alloc): New functions.
3195         * gengtype.h: Declare new functions.
3196         * gengtype-lex.l: Don't include coretypes.h.
3197         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3198         Delete.
3199         (update_lineno): Remove unnecessary prototype.
3200         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3201         (VEC rule): Just return VEC_TOKEN.
3202         * gengtype-yacc.y (VEC_TOKEN): New token type.
3203         (type): Add a production for VEC(a,b).
3204         * Makefile.in: Update dependencies.
3205
3206         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3207         typedefs that use the old PARAMS macro.
3208
3209         * gengtype-lex.l: Remove all rules and states relating to yacc
3210         input files.
3211         * gengtype-yacc.y: Similarly.
3212         * gengtype.c (note_yacc_type): Delete function.
3213         * gengtype.h: Update prototypes.
3214
3215 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3216
3217         * tree-pretty-print.c (dump_generic_node): Report precision of
3218         unnamed integer types.
3219
3220 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3221
3222         * ifcvt.c (noce_try_store_flag_constants): Don't check
3223         no_new_pseudos here.
3224         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3225         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3226         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3227         noce_try_sign_mask): Likewise.
3228         (if_convert): Check no_new_pseudos here.
3229
3230         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3231         Remove prototypes.
3232         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3233         (noce_get_condition): Handle new then_else_reversed argument.
3234         (noce_init_if_info): Remove, fold into noce_find_if_block.
3235         (noce_process_if_block): Take a struct noce_if_info as the
3236         argument.  Don't set up one based on ce_if_info.  Update pointer
3237         references accordingly.
3238         (cond_move_process_if_block): Likewise.
3239         (process_if_block): Removed.
3240         (find_if_block): Removed.  Move functionality two new functions,
3241         noce_find_if_block and cond_exec_find_if_block.
3242         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3243         blocks and the symmetric IF-ELSE-JOIN case.
3244         (cond_exec_find_if_block): Also new function mostly based on old
3245         find_if_block and process_if_block.
3246         (find_if_header): Replace find_if_block call with separately
3247         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3248         (find_cond_trap): Update noce_get_condition call.
3249         (dead_or_predicable): Likewise.
3250
3251 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3252
3253         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3254         Remove.
3255         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3256         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3257         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3258         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3259         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3260         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3261         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3262         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3263         __builtin_ia32_psrad128 builtins.
3264
3265 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3266
3267         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3268         * config/i386/constraints.md
3269         (define_constraint "I"): Use IN_RANGE macro.
3270         (define_constraint "J"): Ditto.
3271         (define_constraint "K"): Ditto.
3272         (define_constraint "M"): Ditto.
3273         (define_constraint "N"): Ditto.
3274         (define_constraint "O"): Ditto.
3275         * config/i386/predicates.md
3276         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3277         (define_predicate "const_0_to_3_operand"): Ditto.
3278         (define_predicate "const_0_to_7_operand"): Ditto.
3279         (define_predicate "const_0_to_15_operand"): Ditto.
3280         (define_predicate "const_0_to_63_operand"): Ditto.
3281         (define_predicate "const_0_to_255_operand"): Ditto.
3282         (define_predicate "const_1_to_31_operand"): Ditto.
3283         (define_predicate "const_2_to_3_operand"): Ditto.
3284         (define_predicate "const_4_to_7_operand"): Ditto.
3285
3286 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3287
3288         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3289         in SImode for save_world.
3290         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3291         LR hard reg.
3292
3293 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3294
3295         PR tree-optimization/30784
3296         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3297         BIT_FIELD_REF.
3298
3299 2007-03-25  Revital Eres  <eres@il.ibm.com>
3300
3301         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3302           Fold movement_possibility function into it.
3303
3304 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3305
3306         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3307         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3308         (call_indirect_nonlocal_darwin64): Same.
3309         (call_nonlocal_darwin64): Same.
3310         (call_value_indirect_nonlocal_darwin64): Same.
3311         (call_value_nonlocal_darwin64): Same.
3312         (sibcall_nonlocal_darwin64): Same.
3313         (sibcall_value_nonlocal_darwin64): Same.
3314         (sibcall_symbolic_64): Same.
3315         (sibcall_value_symbolic_64): Same.
3316         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3317         LR pseudo.
3318         (rs6000_emit_load_toc_table): Same.
3319         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3320         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3321         (mull_call): Same.
3322         (divss_call): Same.
3323         (divus_call): Same.
3324         (quoss_call): Same.
3325         (quous_call): Same.
3326         (load_toc_v4_pic_si): Same
3327         (load_toc_v4_PIC_1): Same.
3328         (load_toc_v4_PIC_1b): Same.
3329         (call_indirect_aix{32,64}): Same.
3330         (call_value_indirect_aix{32,64}): Same.
3331         (call): Same.
3332         (call_value): Same.
3333         (call_local{32,64}): Same.
3334         (call_value_local{32,64}): Same.
3335         (call_indirect_nonlocal_aix{32,64}): Same.
3336         (call_nonlocal_aix{32,64}): Same.
3337         (call_value_indirect_nonlocal_aix{32,64}): Same.
3338         (call_value_nonlocal_aix{32,64}): Same.
3339         (call_indirect_nonlocal_sysv<mode>): Same.
3340         (call_nonlocal_sysv<mode>): Same.
3341         (call_value_indirect_nonlocal_sysv<mode>): Same.
3342         (call_value_nonlocal_sysv<mode>): Same.
3343         (sibcall): Same.
3344         (sibcall_local{32,64}): Same.
3345         (sibcall_value_local{32,64}): Same.
3346         (sibcall_nonlocal_aix{32,64}): Same.
3347         (sibcall_value_nonlocal_aix{32,64}): Same.
3348         (sibcall_nonlocal_sysv<mode>): Same.
3349         (sibcall_value): Same.
3350         (sibcall_value_nonlocal_sysv<mode>): Same.
3351
3352 2007-03-24  Paul Brook  <paul@codesourcery.com>
3353
3354         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3355         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3356
3357 2007-03-24  Richard Henderson  <rth@redhat.com>
3358
3359         * config/ia64/constraints.md: New file.
3360         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3361         satisfies_constraint_?.
3362         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3363         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3364         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3365         ia64_output_mi_thunk): Likewise.
3366         (ia64_const_ok_for_letter_p): Remove.
3367         (ia64_const_double_ok_for_letter_p): Remove.
3368         (ia64_extra_constraint): Remove.
3369         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3370         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3371         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3372         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3373         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3374         EXTRA_MEMORY_CONSTRAINT): Remove.
3375         * config/ia64/ia64.md: Include constriants.md.  Replace
3376         CONST_OK_FOR_? with satisfies_constraint_?.
3377
3378 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3379             H.J. Lu  <hongjiu.lu@intel.com>
3380
3381         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3382         DPD or BID name.
3383         (name macros): Use DPD_BID_NAME to convert names properly.
3384
3385         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3386         decimal floating point format.
3387         (init_floating_libfuncs): Change decimal functions so that they
3388         have a "bid_" prefix if the decimal system uses the BID format,
3389         and "dpd_" prefix if the decimal system uses the DPD format.
3390         (init_interclass_conv_libfuncs): Ditto.
3391         (init_intraclass_conv_libfuncs): Ditto.
3392
3393         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3394         using the BID format.
3395
3396         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3397         whether we are using the BID decimal format.
3398         * configure: Regenerate.
3399
3400         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3401         the compiler has decimal floating point enabled.  Define
3402         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3403         instead of DPD.
3404
3405         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3406         using the BID format.
3407
3408         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3409         whether we are using the BID decimal format.
3410         * configure: Regenerate.
3411
3412         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3413         the compiler has decimal floating point enabled.  Define
3414         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3415         instead of DPD.
3416
3417         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3418         options, and that it is enabled for i386/x86_64 systems.
3419
3420         * Makefile.in (enable_decimal_float): New.
3421         (DECNUMFMT): New.
3422         (DECNUMINC): Add  -I$(DECNUMFMT).
3423         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3424         to $(DECNUMFMT) from $(DECNUM).
3425
3426         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3427         Substitute enable_decimal_float.
3428         * configure: Regenerated.
3429
3430         PR other/30529
3431         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3432         unsigned long.
3433
3434         * configure.ac: Enable decimal float for x86_64-*-linux*.
3435         * configure: Regenerated.
3436
3437         PR other/30530
3438         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3439         decimal128ClearSign to flip and clear the sign bit in decimal128.
3440         (decimal_real_maxval): Set decimal128SetSign to set the sign
3441         bit in decimal128.
3442
3443 2007-03-23  Ian Lance Taylor  <iant@google.com>
3444
3445         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3446
3447 2007-03-23  Ian Lance Taylor  <iant@google.com>
3448
3449         * tree-dump.c (dump_files): Correct comment.
3450
3451 2007-03-23  Ian Lance Taylor  <iant@google.com>
3452
3453         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3454
3455 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3456
3457         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3458         in cfglayout mode.  Don't go into and out of cfglayout mode.
3459         Link the blocks in the order of the constructed traces.
3460         (rest_of_handle_tracer): Adjust call to tracer.
3461         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3462         Don't go into cfglayout mode.
3463         (rtl_loop_done): Don't go out of cfglayout mode.
3464         * cfglayout.c (relink_block_chain): New function, split out from...
3465         (fixup_reorder_chain): ...here.  Remove redundant checking.
3466         (cfg_layout_finalize): Don't clear the header, footer, and aux
3467         fields here, move the code to do so to relink_block_chain.  Likewise
3468         for free_original_copy_tables.
3469         * rtl.h (tracer): Update prototype.
3470         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3471         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3472         mode.  Use relink_block_chain to serialize the CFG according to the
3473         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3474         here...
3475         (gate_handle_reorder_blocks): ...to here.
3476         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3477         from here...
3478         (gate_duplicate_computed_gotos): ...to here.
3479         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3480         something always changes when going into and out of cfglayout mode.
3481         Perform an expensive cfg cleanup while going into cfglayout mode.
3482         Always update liveness information on HAVE_conditional_execution
3483         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3484         * reg-stack.c: Include cfglayout.h.
3485         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3486         the call to reorder_basic_blocks.
3487         * basic-block.h (reorder_basic_blocks): Update prototype.
3488         (relink_block_chain): New prototype.
3489         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3490
3491 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3492
3493         * config/mips/mips.md (type, hazard, *movdi_32bit,
3494         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3495         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3496         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3497         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3498         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3499         applicable.
3500         (movcc): Change first xfer to multi.
3501         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3502         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3503         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3504         config/mips/generic.md: Change reservations using "xfer" to use
3505         "mfc,mtc".
3506         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3507         using match_operand.
3508         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3509         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3510         examining mode.
3511         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3512
3513 2007-03-22  Richard Henderson  <rth@redhat.com>
3514
3515         * config/i386/i386.c: Remove unnecessary function declarations.
3516         Move targetm definition, and all related macros, to the end of
3517         the file.  Resort some functions to put definitions before uses.
3518         (ix86_attribute_table): Make static.  Move to end of file.
3519         (ix86_gimplify_va_arg): Make static.
3520
3521 2007-03-22  Richard Henderson  <rth@redhat.com>
3522
3523         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3524         don't increase local_regparm with force_align_arg_pointer check.
3525         (ix86_function_sseregparm): Assert 32-bit.
3526         (type_has_variadic_args_p): New.
3527         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3528         type_has_variadic_args_p.
3529         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3530         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3531         use memset instead.  Do maybe_vaarg check first; skip attribute
3532         tests if true; skip attribute tests for 64-bit.
3533         (construct_container): Remove TARGET_DEBUG_ARG.
3534         (function_arg_advance_32, function_arg_advance_64): Split out ...
3535         (function_arg_advance): ... from here.
3536         (function_arg_32, function_arg_64): Split out ...
3537         (function_arg): ... from here.
3538         (ix86_pass_by_reference): Tidy.
3539         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3540         (function_value_32): New, from parts of ix86_function_value
3541         and ix86_value_regno.
3542         (function_value_64): New, from parts of ix86_function_value
3543         and ix86_libcall_value.
3544         (ix86_function_value_1): New.
3545         (ix86_function_value, ix86_libcall_value): Use it.
3546         (return_in_memory_32, return_in_memory_64): Split out ...
3547         (ix86_return_in_memory): ... from here.
3548         (ix86_struct_value_rtx): Skip for 64-bit.
3549         (ix86_libcall_value, ix86_value_regno): Remove.
3550         (setup_incoming_varargs_64): Split out ...
3551         (ix86_setup_incoming_varargs): ... from here.
3552         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3553         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3554         * config/i386/i386-protos.h (ix86_function_value): Remove.
3555         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3556
3557 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3558
3559         PR other/23572
3560         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3561         infinities not supported, otherwise emit warning if -Woverflow. On
3562         underflow, emit warning if -Woverflow.
3563         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3564         and 0 otherwise.
3565         * real.h (real_from_string): Update declaration
3566
3567 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3568             Richard Henderson  <rth@redhat.com>
3569
3570         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3571         * calls.c (compute_argument_block_size, expand_call,
3572         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3573         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3574         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3575         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3576         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3577         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3578         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3579         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3580         Set to 1.
3581
3582 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3583
3584         * c-incpath.c (add_sysroot_to_chain): New.
3585         (merge_include_chains): Add sysroot argument.  Call
3586         add_sysroot_to_chain if sysrooted.
3587         (register_include_chains): Update call to merge_include_chains.
3588         * doc/cppopts.texi: Document use of '=' in include directory
3589         arguments.
3590
3591 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3592
3593         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3594         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3595         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3596         insn pattern using X87MODEF12 mode macro.
3597
3598 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3599
3600         * regmove.c (regmove_optimize): Use reg_mentioned_p
3601         instead of reg_overlap_mentioned_p for DST.
3602
3603 2007-03-21  Mike Stump  <mrs@apple.com>
3604
3605         * c.opt: Fixup for Objective-C/C++.
3606
3607 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3608
3609         * explow.c (convert_memory_address): Fold memory reference when
3610         POINTERS_EXTEND_UNSIGNED < 0
3611
3612 2007-03-21  Richard Henderson  <rth@redhat.com>
3613
3614         PR target/31245
3615         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3616         * config/i386/mmintrin.h (__m64): Likewise.
3617         * config/i386/xmmintrin.h (__m128): Likewise.
3618
3619 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3620
3621         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3622         (VXWORKS_OS_CPP_BUILTINS): Define.
3623         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3624         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3625
3626 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3627
3628         * rtl.h (constant_pool_reference_p): Delete.
3629         (find_constant_src): Declare.
3630         * rtlanal.c (find_constant_src): New function.
3631         * simplify-rtx.c (constant_pool_reference_p): Delete.
3632         * config/i386/i386.md: Use find_constant_src instead of
3633         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3634
3635 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3636
3637         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3638         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3639
3640 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3641
3642         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3643         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3644         (arm_elf_asm_constructor): Use it.
3645         (arm_elf_asm_destructor): New function.
3646
3647 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3648
3649         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3650
3651 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3652
3653         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3654
3655 2007-03-19  Andrew Haley  <aph@redhat.com>
3656
3657         PR tree-optimization/31264
3658         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3659         VIEW_CONVERT_EXPRs.
3660
3661 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3662
3663         PR rtl-optimization/30907
3664         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3665         (fwprop_init): Always call loop_optimizer_initialize.
3666         (fwprop_done): Always call loop_optimizer_finalize.
3667         (fwprop): We always have loop info now.
3668         (gate_fwprop_addr): Remove.
3669         (pass_fwprop_addr): Use gate_fwprop as gate.
3670
3671         PR rtl-optimization/30841
3672         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3673         df_chain_alloc): Call df_reorganize_refs unconditionally.
3674         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3675         refs_organized to refs_organized_size.
3676         (df_ref_create_structure): Use refs_organized_size instead of
3677         bitmap_size if refs had been organized, and keep refs_organized_size
3678         up-to-date.
3679         * df.h (struct df_ref_info): Change refs_organized to
3680         refs_organized_size.
3681         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3682         bitmap_size.
3683
3684 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3685
3686         * except.c (output_function_exception_table): Do not reference the
3687         EH personality routine for functions that do not require an
3688         exception table.
3689
3690 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3691
3692         PR c/30762
3693         * c-typeck.c (convert_for_assignment): Call comptypes for
3694         RECORD_TYPE or UNION_TYPE.
3695
3696         PR inline-asm/30505
3697         * reload1.c (reload): Do invalid ASM checking after
3698         cleanup_subreg_operands.
3699
3700 2007-03-19  Jeff Law  <law@redhat.com>
3701
3702         * tree-cfg.c (find_taken_edge): Tighten conditions for
3703         optimizing computed gotos.
3704
3705 2007-03-19  Michael Matz  <matz@suse.de>
3706
3707         * builtins.c (expand_builtin_sync_operation,
3708         expand_builtin_compare_and_swap,
3709         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3710         correctly.
3711
3712         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3713         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3714         for operand 3.
3715
3716 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3717
3718         * doc/tm.texi: Add brackets around the return type of
3719         TARGET_SECONDARY_RELOAD.
3720
3721 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3722         Richard Guenther  <rguenther@suse.de>
3723
3724         PR tree-optimization/31254
3725         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3726         Use handled_component_p () where appropriate.  Continue
3727         propagating into the rhs if we propagated into an INDIRECT_REF
3728         on the lhs.
3729
3730 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3731
3732         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3733         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3734         (xde, xdee): Mode attributes adjusted to support DFP modes.
3735         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3736         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3737         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3738         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3739         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3740         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3741         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3742         numbers.
3743         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3744         "movsf"): Insn definitions removed.
3745         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3746         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3747         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3748         definitions added.
3749         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3750         "reload_in<mode>", "reload_out<mode>"): Expander added.
3751         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3752         Expander removed.
3753
3754 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3755
3756         * config/s390/s390.md: Only non-functional changes.  Renamed
3757         FPR mode macro to BFP all over the file.
3758
3759 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3760
3761         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3762         (op_type attribute): RRF instruction type added.
3763         (fT0): New mode attribute.
3764         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3765         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3766         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3767         no secondary memory is needed when moving DFmode values between GPRs
3768         and FPRs.
3769
3770 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3771
3772         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3773         inverted and documentation adjusted.
3774         ("mhard-dfp", "msoft-dfp"): New options.
3775         * config/s390/s390.c (s390_handle_arch_option): New architecture
3776         switch: z9-ec.
3777         (override_options): Sanity checks for the new options added.
3778         * config.gcc: New architecture switch: z9-ec.
3779         * config/s390/s390.h (processor_flags): PF_DFP added.
3780         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3781         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3782         when the bit is NOT set so remove it from the defaults.
3783
3784 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3785
3786         * genemit.c (main): Print include statement for dfp.h.
3787         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3788         is not available.
3789
3790 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3791
3792         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3793
3794 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3795
3796         PR target/31022
3797         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3798         instead of PATTERN.
3799
3800 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3801
3802         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3803         attr_length_call, output_call, output_indirect_call): Cleanup
3804         formatting of targetm calls.
3805
3806 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3807
3808         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3809
3810 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3811
3812         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3813         reservation, bypass and anti-bypass descriptions for these instructions.
3814         Update move patterns.
3815         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3816         TYPE_FPSTORE.
3817
3818 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3819
3820         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3821         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3822         (get_initial_def_for_reduction): Likewise.
3823
3824 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3825
3826         Fix PR tree-optimization/29922
3827         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3828         (get_representative): Removed.
3829         (value_dies_in_block_x): Update for rvuse removal.
3830         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3831         (compute_antic_aux): Handle when PHI nodes appear in
3832         non-single-successors.
3833         (dump_bitmap_of_names): Removed.
3834         (compute_antic_safe): Renamed and removed rvuse calculation.
3835         Calculate only antic safe.
3836         (insert_into_preds_of_block): Remove assert.
3837         (execute_pre): Update for renamed functions.
3838         (defer_or_phi_translate_block): New function.
3839
3840 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3841
3842         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3843         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3844         typos.
3845         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3846         Follow spelling conventions.
3847
3848         * tree-data-ref.h: Remove the prototype for analyze_array.
3849
3850 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3851
3852         PR tree-optimization/31041
3853         * tree-vect-transform.c (get_initial_def_for_induction): Call
3854         force_gimple_operand.
3855
3856 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3857
3858         * ipa-type-escape.c (look_for_casts) : Revert code to use
3859         handled_component_p due to ada test a-numaux.adb.
3860
3861 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3862
3863         * final.c (final_scan_insn): Alter the condition of a
3864         conditional trap if we have nonstandard CC.
3865
3866 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3867
3868         * configure.ac: Remove excess quoting from asm line 0 test.
3869         * configure: Rebuilt.
3870
3871 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3872
3873         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3874         * c-common.c (convert_and_check): Move warning logic to...
3875         (warnings_for_convert_and_check): ...here. Define.
3876         * c-common.h (warnings_for_convert_and_check): Declare.
3877
3878 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3879
3880         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3881         (output_call): Likewise.
3882
3883 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3884
3885         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3886
3887 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3888
3889         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3890
3891 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3892
3893         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3894         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3895
3896 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3897
3898         PR tree-optimization/31183
3899         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3900         Use double_int instead of unsigned int for representing access_strides.
3901         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3902
3903 2007-03-16  Richard Guenther  <rguenther@suse.de>
3904
3905         PR tree-optimization/31146
3906         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3907         to allow recursion of forward_propagate_addr_expr.
3908         (forward_propagate_addr_into_variable_array_index): Likewise.
3909         (forward_propagate_addr_expr): Likewise.
3910         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3911         (forward_propagate_addr_expr_1): Recurse on simple copies
3912         instead of propagating into them.  Do so for useless conversions
3913         as well.
3914         (forward_propagate_addr_expr): Clean up unused statements after
3915         recursion.
3916
3917 2007-03-16  Richard Guenther  <rguenther@suse.de>
3918
3919         * builtins.c (expand_builtin_cexpi): Use the right argument
3920         for the expansion via cexp.
3921
3922 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3923
3924         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3925         * configure: Rebuilt.
3926
3927 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3928
3929         PR debug/29906
3930         * dwarf2out.c (force_type_die): Adjust comment.
3931         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3932
3933 2007-03-15  DJ Delorie  <dj@redhat.com>
3934
3935         * config/frv/predicates.md (minmax_operator): Don't check operands
3936         here.
3937
3938 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3939
3940         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3941         Update constant estimates of number of iterations.
3942         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3943         argument renamed to "realistic".
3944         (compute_estimated_nb_iterations): Removed.
3945         (record_niter_bound): New function.
3946         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3947         call record_nonwrapping_iv with upper = false.
3948         (infer_loop_bounds_from_signedness): Pass upper argument to
3949         record_nonwrapping_iv.
3950         (estimate_numbers_of_iterations_loop): Do not call
3951         compute_estimated_nb_iterations.  Record estimate based on profile
3952         information.  Initialize the constant estimates of number of
3953         iterations.
3954         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3955         estimates.
3956         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3957         number of iterations is too small.
3958         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3959         (EST_NOT_AVAILABLE): Removed.
3960         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3961         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3962         fields.
3963
3964 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3965
3966         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3967         Handle NE_EXPR guards.
3968
3969 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3970
3971         PR c++/24924
3972         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3973         Set also -pedantic-errors by default for the  preprocessor unless
3974         -fpermissive is given.
3975
3976 2007-03-15  Richard Guenther  <rguenther@suse.de>
3977
3978         PR middle-end/29719
3979         PR middle-end/31161
3980         * builtins.c (expand_builtin_cexpi): As a fallback if we
3981         don't have builtins for sincos or cexp create a function
3982         declaration for cexp and expand to a call to that.
3983         (expand_builtin_int_roundingfn): Always fall
3984         back to floor/ceil and its variants even if they may be
3985         not available.
3986
3987 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3988
3989         PR middle-end/31159
3990         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3991         jump tables, move the call to delete_dead_jumptables from here...
3992         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3993         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3994         don't allow merging of blocks that try_redirect_by_replacing_jump
3995         also does not handle when not optimizing.
3996
3997 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3998             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3999
4000         * config/i386/i386.md (x86_sahf_1): Correctly handle
4001         HAVE_AS_IX86_SAHF.
4002
4003 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4004
4005         PR target/31167
4006         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4007         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4008         from operand constraints and use "e" constraint instead.
4009         (*subti3_1, *subti3_1 splitter): Ditto.
4010         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4011         operand[1] predicate.
4012
4013 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4014
4015         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4016         arrays, multiply the access strides by the size of the sub-array.
4017         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4018
4019 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4020
4021         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4022         the configured assembler supports the sahf mnemonic.
4023         * configure: Regenerate.
4024         * config.in: Regenerate.
4025
4026         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4027         emit "sahf" or ".byte\t0x9e" as asm template.
4028
4029 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4030
4031         PR 31018
4032         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4033         option to replace hard coded TARGET_xxx in md file.
4034         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4035         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4036         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4037         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4038         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4039         (X86_TUNE_NOT_VECTORMODE): Ditto.
4040         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4041         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4042         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4043         (TUNE_SLOW_IMUL_IMM8): Ditto.
4044         (TUNE_MOVE_M1_VIA_OR): Ditto.
4045         (TUNE_NOT_UNPAIRABLE): Ditto.
4046         (TUNE_NOT_VECTORMODE): Ditto.
4047
4048         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4049         options.
4050
4051         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4052         tuning options instead of hard coded TARGET_xxx.
4053         (fix ssemode peephole2's): Ditto.
4054         (imul peephole2's): Ditto.
4055         (movsi_or): Ditto.
4056         (movdi_or_rex64): Ditto.
4057         (move peephole2): Ditto.
4058         (not peephole2's): Ditto.
4059
4060 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4061
4062         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4063         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4064         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4065         of empty body.
4066         * c-parser.c (c_parser_do_statement): Warn about empty body in
4067         do/while statement.
4068         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4069         * doc/invoke.texi (-Wempty-body): Update documentation.
4070
4071 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4072
4073         PR c/21438
4074         * c-common.h (warn_for_div_by_zero): Declare.
4075         * c-common.c (warn_for_div_by_zero): Define.
4076         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4077         warning.
4078
4079 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4080
4081         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4082         to PREFIX and STANDARD_PREFIX.
4083
4084 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4085             Phil Edwards  <phil@codesourcery.com>
4086
4087         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4088         (__gthread_once_t): Remove busy field for RTPs.
4089         (__GTHREAD_ONCE_INIT): Update accordingly.
4090
4091 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4092
4093         * doc/invoke.texi: Document VxWorks options.
4094
4095 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4096
4097         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4098
4099 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4100
4101         PR tree-optimization/30590
4102         * tree-nrv.c (tree_nrv): Check for the partial update of the
4103         return value.
4104
4105 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4106
4107         * flags.h (flag_random_seed): Remove declaration, in favor of...
4108         * toplev.h (get_random_seed, set_random_seed): ... these.
4109         * tree.c (get_file_function_name): Use the former.
4110         * opts.c (common_handle_option): Use the latter.
4111         * toplev.c
4112
4113 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4114
4115         PR middle-end/31127
4116         * cse.c (cse_find_path): Do not bail out if a basic block that
4117         we already visited now becomes part of a path that starts at a
4118         different basic block.  Just disallow this, to make sure we
4119         visit each basic block at most once.
4120
4121 2007-03-13  Jan Hubicka  <jh@suse.cz>
4122
4123         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4124         when profile esitmate is present, calls with very low frequency are
4125         cold.
4126
4127 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4128
4129         PR tree-optimization/30730
4130         PR tree-optimization/26900
4131         * tree-ssa-loop-niter.c: Include gmp.h.
4132         (bounds): New type.
4133         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4134         split_to_var_and_offset, determine_value_range,
4135         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4136         bound_difference, bounds_add, bounds_negate,
4137         number_of_iterations_ne_max, dump_affine_iv): New functions.
4138         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4139         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4140         difference of initial and final value of control iv to validate
4141         results.
4142         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4143         on the difference of the extremes of the control iv.  Add dumps.
4144         (expand_simple_operations): Handle phi nodes.
4145         (simplify_using_initial_conditions): Do not record used conditions.
4146         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4147         Do not set additional_info.
4148         (implies_nonnegative_p, implies_ge_p): Removed.
4149         (derive_constant_upper_bound): Do not use parameter `additional'.
4150         (record_estimate): Parameter `additional' removed.  Parameter
4151         `i_bound' added.  Do not call derive_constant_upper_bound.
4152         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4153         bound the number of iterations estimate.
4154         (estimate_numbers_of_iterations_loop): Pass the estimate from
4155         the number of iterations analysis to record_estimate.
4156         * tree.h (multiple_of_p): Declare.
4157         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4158         (scev_const_prop): Do not check expression_expensive_p.
4159         * fold-const.c (multiple_of_p): Exported.
4160         * double-int.c (double_int_mask): Exported.
4161         * double-int.h (double_int_mask): Declare.
4162         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4163         field.  Added max field.
4164
4165 2007-03-13  David Taylor  <taylor@candd.org>
4166
4167         PR driver/12448:
4168         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4169         default -MQ.
4170
4171 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4172
4173         PR target/31123
4174         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4175         two unamed patterns.
4176
4177 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4178
4179         * config/i386/i386.opt (mcx16, msahf): New options.
4180         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4181         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4182
4183         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4184         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4185         Output -mcx16 and -msahf options when corresponding bit is set.
4186
4187         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4188         and -msahf options.
4189
4190 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4191
4192         * configure.ac: Test for assembler tolerance to # 0 "".
4193         * configure, config.in: Rebuilt.
4194         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4195
4196 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4197
4198         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4199
4200         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4201         (handle_syscall): Handle direct system calls.
4202         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4203
4204 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4205
4206         * doc/invoke.texi: Fix cpp.info cross-reference.
4207         * doc/passes.texi: Fix gcc.info cross-reference.
4208
4209 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4210
4211         PR tree-optimization/30835
4212         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4213         bb_for_stmt is not NULL before accessing it.
4214
4215 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4216
4217         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4218         some multilibs.
4219
4220 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4221
4222         PR 30635
4223         * doc/install.texi: Document --enable-stage1-languages
4224
4225 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4226
4227         * tree-pass.h (pass_into_cfg_layout_mode,
4228         pass_outof_cfg_layout_mode): Declare.
4229         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4230         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4231         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4232         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4233
4234 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4235
4236         * c-decl.c (warn_variable_length_array): New function.
4237         Refactored from grokdeclarator to handle warn_vla
4238         and handle unnamed array case.
4239         (grokdeclarator): Refactored VLA warning case.
4240         * c.opt (Wvla): New flag.
4241         * doc/invoke.texi (Wvla): New warning.
4242
4243 2007-03-12  Richard Henderson  <rth@redhat.com>
4244
4245         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4246         (TARGET_SECTION_TYPE_FLAGS): New.
4247
4248 2007-03-12  Richard Henderson  <rth@redhat.com>
4249
4250         * config/darwin.c (machopic_reloc_rw_mask): New.
4251         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4252         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4253
4254 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4255
4256         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4257         * cppdefault.h (cpp_PREFIX): Document.
4258         (cpp_PREFIX_len): Likewise.
4259         (cpp_EXEC_PREFIX): New variable.
4260         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4261         * c-incpath.c (add_standard_paths): Correct logic for relocating
4262         paths within prefix.
4263
4264 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4265
4266         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4267         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4268         mode macro.
4269         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4270         fix_truncdfdi_sse using SSEMODEF mode macro.
4271         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4272         fix_truncdfsi_sse using SSEMODEF mode macro.
4273         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4274         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4275
4276 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4277
4278         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4279         elfos.h to tm_file.
4280
4281 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4282
4283         * tree.h : Add multiple_of_p declaration.
4284         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4285         * ipa-type-escape.c (results_of_malloc): Redundant.
4286         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4287         (cast_type): Extended with new members.
4288         (check_cast): Returns cast_type.
4289         (cast): New structure for data of walk_use_def_chains.
4290         (is_malloc_result, is_cast_from_non_pointer_1,
4291         is_cast_from_non_pointer,
4292         is_array_access_through_pointer_and_index): New functions.
4293         (look_for_casts): Returns cast types.
4294         (check_call): Returns void.
4295         (okay_pointer_operation): Use support of pointer plus index,
4296         pointer plus constant and allow all multiplications.
4297
4298 2007-03-11  Richard Guenther  <rguenther@suse.de>
4299
4300         PR tree-optimization/31115
4301         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4302         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4303         A shift count of zero is not special as with *_DIV_EXPR.
4304         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4305         direction.
4306
4307 2007-03-11  Ian Lance Taylor  <iant@google.com>
4308
4309         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4310         the *_DIV_EXPR codes correctly with overflow infinities.
4311
4312 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4313
4314         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4315         indicate success/failure of the analysis. Add negation to subtrahend
4316         in case of subtraction. Fail if both operands contain constants.
4317         (create_data_ref): Fail if analyze_offset fails.
4318
4319 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4320
4321         * config/i386/i386.md (frndintxf2): Rename to ...
4322         (rintxf2): ... this. Remove expander having same name.
4323         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4324         (roundsf2, rounddf2): Ditto.
4325         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4326         (lround<mode>di2, lround<mode>si2): Ditto.
4327
4328 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4329
4330         * lower-subreg.c: Include except.h.
4331         (decompose_multiword_subregs): Verify that the only control flow
4332         insns we can split are loads to multi-words pseudos.
4333         Handle breaking such blocks after splitting, instead of calling
4334         find_many_sub_basic_blocks.
4335
4336         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4337         on the new basic block.  Add a lengthy comment explaining why we
4338         thought this was necessary.
4339         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4340
4341 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4342
4343         PR c++/30924
4344         * tree.c (walk_type_fields): Recurse into the element type of
4345         ARRAY_TYPEs if there is a pointer set.
4346
4347 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4348
4349         * c-common.c (warn_logical_operator): Fix condition.
4350
4351 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4352
4353         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4354         quotation mark.
4355         * config/darwin.c (machopic_select_section): Remove superfluous
4356         argument in call to categorize_decl_for_section.  Remove unused
4357         variable shlib.
4358
4359 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4360
4361         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4362         defined.
4363         * configure: Regenerate.
4364
4365 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4366
4367         PR target/31101
4368         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4369         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4370         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4371         Add LABEL_NUSES to emitted label.
4372         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4373         branch probability value to emitted jump insn.
4374         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4375         Do not check life information and do not re-arrange input operands
4376         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4377
4378 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4379
4380         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4381         the change of decode_asm_operands.
4382
4383 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4384
4385         * mode-switching.c (create_pre_exit): Skip blockage insn.
4386
4387 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4388
4389         * tree-pass.h (TODO_update_smt_usage): Remove.
4390         Update all users.
4391         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4392         argument SOME.
4393         Update all users.
4394
4395 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4396
4397         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4398         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4399         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4400         SOM target.
4401
4402 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4403
4404         * gcc.c: Document %{, in big comment at top.
4405         (input_suffix_matches): Remove special handling for .s and
4406         .S.
4407         (input_spec_matches): New.
4408         (handle_braces): Handle %{,.
4409         (validate_switches): ',' indicates a value which is not a switch.
4410         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4411         to detect assembler input.
4412         * config/i386/sol2.h (CPP_SPEC): Likewise.
4413         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4414         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4415         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4416         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4417         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4418         -m64 causes deployment target to default to 10.5.
4419         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4420
4421 2007-03-09  Richard Henderson  <rth@redhat.com>
4422
4423         PR target/26090
4424         * target.h (targetm.asm.out.reloc_rw_mask): New.
4425         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4426         (TARGET_ASM_OUT): Use it.
4427         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4428         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4429         use the new reloc_rw_mask target hook instead.
4430         (default_section_type_flags_1): Merge into...
4431         (default_section_type_flags): ... here.
4432         (decl_readonly_section_1): Merge into...
4433         (decl_readonly_section): ... here.
4434         (default_elf_select_section_1): Merge into...
4435         (default_elf_select_section): ... here.
4436         (default_unique_section_1): Merge into...
4437         (default_unique_section): ... here.
4438         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4439         (default_select_rtx_section): Use it.
4440         (default_elf_select_rtx_section): Likewise.
4441         * output.h: Update to match.
4442         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4443         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4444         (TARGET_ASM_RELOC_RW_MASK): New.
4445         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4446         to categorize_decl_for_section.
4447         (x86_64_elf_unique_section): Likewise.
4448         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4449         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4450         (TARGET_ASM_RELOC_RW_MASK): New.
4451         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4452         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4453         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4454         (TARGET_RWRELOC): Remove.
4455         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4456         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4457         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4458         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4459         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4460         (rs6000_xcoff_select_section): Use decl_readonly_section.
4461         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4462         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4463         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4464         (TARGET_SECTION_TYPE_FLAGS): Remove.
4465         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4466
4467 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4468
4469         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4470         complex constant equality/inequality comparisons for here.
4471         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4472         known at compile-time or can be simplified to a scalar comparison.
4473         (fold_relational_const): Move compile-time evaluation of complex
4474         constant equality/inequality comparisons to here.
4475
4476 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4477
4478         PR rtl-optimization/30643
4479         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4480         dest_addr_elt.
4481         (fold_rtx): Recurse, like before 2006-11-03.
4482
4483 2007-03-09  DJ Delorie  <dj@redhat.com>
4484
4485         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4486         m32c-pragma.o.
4487
4488 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4489
4490         PR tree-optimization/30375
4491         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4492         LHS of statements is not the same.
4493         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4494
4495 2007-03-09  Chao-ying Fu  <fu@mips.com>
4496
4497         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4498         REV 2.
4499         * doc/invoke.texi (-mdspr2): Document new option.
4500         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4501         New unspec for DSP REV 2.
4502         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4503         these instructions are extended in DSP REV 2.
4504         (mips-dspr2.md): Include.
4505         * config/mips/mips.opt (mdspr2): New option.
4506         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4507         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4508         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4509         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4510         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4511         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4512         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4513         and 2 builtins.
4514         (bdesc_map): Add one field of unsupported_target_flags.
4515         (bdesc_arrays):  Update entries to have extra fields.  Add
4516         dsp_32only_bdesc.
4517         (mips_init_builtins): Initialize new function types.
4518         Check unsupported_target_fileds to filter out builtins.
4519         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4520         TARGET_DSPR2.
4521         (ASM_SPEC): Pass mdspr2 to the assembler.
4522         * config/mips/mips-dspr2.md: New file.
4523
4524 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4525
4526         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4527
4528 2007-03-09  Ian Lance Taylor  <iant@google.com>
4529
4530         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4531         argument) like -Wstrict-overflow=2.
4532         * doc/invoke.texi (Warning Options): Update documentation.
4533
4534 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4535
4536         PR c++/17946
4537         * doc/invoke.texi (-Wlogical-op): Document.
4538         * common.opt (-Wlogical-op): New.
4539         * c-common.h (warn_logical_operator): Declare.
4540         * c-common.c (warn_logical_operator): Define.
4541         * c-typeck.c (parser_build_binary_op): Call
4542         warn_logical_operator.
4543
4544 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4545
4546         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4547         * final.c (final_scan_insn): Test for non-"" file name.
4548
4549 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4550
4551         * doc/loop.texi: Document the Omega linear constraints solver.
4552         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4553         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4554         omega-hash-table-size, omega-max-keys, and
4555         omega-eliminate-redundant-constraints.
4556         * tree-pass.h (pass_check_data_deps): Declared.
4557         * omega.c: New.
4558         * omega.h: New.
4559         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4560         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4561         pass_check_data_deps): New.
4562         * tree-data-ref.c (init_data_ref): Remove declaration.
4563         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4564         (analyze_array): Renamed init_array_ref, move up initializations.
4565         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4566         Removed arguments that are set to NULL.
4567         (analyze_indirect_ref): Correct indentation, correct call to
4568         init_pointer_ref.
4569         (object_analysis): Call init_array_ref instead of analyze_array.
4570         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4571         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4572         of DR_ACCESS_FNS_ADDR.
4573         (init_omega_eq_with_af, omega_extract_distance_vectors,
4574         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4575         ddr_consistent_p): New.
4576         (compute_affine_dependence): Check consistency of ddrs when
4577         flag_check_data_deps is passed.
4578         (analyze_all_data_dependences): Uncomment.
4579         (tree_check_data_deps): New.
4580         * tree-data-ref.h: Include omega.h.
4581         (DR_ACCESS_FNS_ADDR): Removed.
4582         (data_dependence_relation): Add inner_loop.
4583         (DDR_INNER_LOOP): New.
4584         * common.opt (fcheck-data-deps): New.
4585         * tree-flow.h (tree_check_data_deps): Declare.
4586         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4587         (OBJS-common): Depend on omega.o.
4588         (omega.o): Define.
4589         * passes.c (pass_check_data_deps): Scheduled.
4590         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4591         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4592         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4593         PARAM_VECT_MAX_VERSION_CHECKS,
4594         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4595
4596 2007-03-09  Richard Guenther  <rguenther@suse.de>
4597
4598         PR tree-optimization/30904
4599         PR middle-end/31058
4600         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4601         the same way as *_DIV_EXPR.
4602
4603 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4604
4605         * recog.c (decode_asm_operands): No mixed declarations and code.
4606
4607 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4608
4609         * rtl.def (ASM_INPUT): Add location.
4610         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4611         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4612         (decode_asm_operands): Add loc operand.
4613         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4614         * stmt.c (expand_asm): Rename to...
4615         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4616         gen_rtx_ASM_INPUT_loc.
4617         (expand_asm_expr): Adjust.
4618         * recog.c (decode_asm_operands): Add loc operand.
4619         (check_asm_operands, extract_insn): Adjust.
4620         * reload1.c (maybe_fix_stack_asms): Likewise.
4621         * final.c (asm_insn_count): Likewise.
4622         (final_scan_insn): Output # line before and after asm.
4623
4624 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4625
4626         * tree-ssa-structalias.c (variable_info): Remove
4627         finished_solution.
4628         (new_var_info): Ditto.
4629         (shared_bitmap_info_t): New structure.
4630         (shared_bitmap_table): New variable.
4631         (shared_bitmap_hash): New function.
4632         (shared_bitmap_eq): Ditto
4633         (shared_bitmap_lookup): Ditto.
4634         (shared_bitmap_add): Ditto.
4635         (merge_smts_into): Change to take bitmap directly.
4636         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4637         (init_alias_vars): Init shared bitmap hashtable.
4638         (delete_points_to_sets): Delete shared bitmap hashtable.
4639         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4640         is_aliased removal as a change that was still necessary was
4641         deleted.
4642
4643 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4644
4645         * config/i386/i386.h (override_options): Conditionally disable
4646         x86_sahf for 64bit targets only.
4647
4648 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4649
4650         PR C/31072
4651         * c-decl.c (merge_decls): Don't call make_var_volatile.
4652         * varasm.c (make_var_volatile): Remove.
4653         * output.h (make_var_volatile): Remove.
4654
4655 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4656
4657         PR tree-optimization/31085
4658         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4659
4660 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4661
4662         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4663         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4664         ATTR_CONST_NOTHROW_LIST.
4665
4666         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4667         FIX_TRUNC_EXPR.
4668
4669 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4670
4671         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4672
4673 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4674
4675         PR 31013
4676         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4677         is declared.
4678         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4679         passed, use shared libgcc.
4680
4681 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4682
4683         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4684         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4685         (honor_protect_cleanup_actions, lower_try_finally_switch):
4686         Likewise.
4687         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4688         ifc_temp_var): Likewise.
4689         * tree-inline.c (setup_one_parameter): Likewise.
4690         * tree-mudflap.c (mf_decl_cache_locals,
4691         mf_build_check_statement_for): Likewise.
4692         * tree-nested.c (init_tmp_var, save_tmp_var,
4693         finalize_nesting_tree_1): Likewise.
4694         * tree-outof-ssa.c (insert_copy_on_edge,
4695         insert_backedge_copies): Likewise.
4696         * tree-profile.c (tree_gen_edge_profiler,
4697         tree_gen_ic_profiler): Likewise.
4698         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4699         * tree-sra.c (sra_build_assignment): Likewise.
4700         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4701         * tree-ssa-math-opts.c (insert_reciprocals,
4702         execute_cse_sincos_1): Likewise.
4703         * tree-tailcall.c (adjust_accumulator_values,
4704         adjust_return_value): Likewise.
4705         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4706         * tree-vect-transform.c (vect_create_data_ref_ptr,
4707         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4708         vect_create_epilog_for_reduction, vectorizable_reduction,
4709         vectorizable_call, vectorizable_conversion,
4710         vectorizable_assignment, vectorizable_operation,
4711         vectorizable_type_demotion, vect_gen_widened_results_half,
4712         vect_permute_store_chain, vectorizable_store,
4713         vect_setup_realignment, vect_permute_load_chain,
4714         vectorizable_load, vectorizable_condition,
4715         vect_create_cond_for_align_checks): Likewise.
4716         * tree-vrp.c (build_assert_expr_for): Likewise.
4717
4718 2007-03-08  Ian Lance Taylor  <iant@google.com>
4719
4720         * tree-vrp.c: Include "intl.h".
4721         (usable_range_p): New static function.
4722         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4723         overflowed values, juts set *strict_overflow_p.
4724         (compare_values): Only return -2 if one of the operands is not a
4725         constant.
4726         (compare_ranges): Call usable_range_p.
4727         (compare_range_with_value): Likewise.
4728         (vrp_evaluate_conditional_warnv): Rename from
4729         vrp_evaluate_conditional.  Make static.  Change all callers.
4730         (vrp_evaluate_conditional): New function.
4731         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4732         on signed overflow.
4733         (simplify_abs_using_ranges): Likewise.
4734         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4735         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4736         within_stmt parameter.
4737         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4738         vrp_evaluate_conditional.
4739         * tree-ssa-threadedge.c
4740         (record_temporary_equivalences_from_stmts_at_dest): Change
4741         simplify parameter to take a second tree parameter.
4742         (simplify_control_stmt_condition): Likewise.
4743         (thread_across_edge): Likewise.
4744         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4745         (thread_across_edge): Likewise.
4746         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4747
4748 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4749
4750         * config/i386/i386.h (TARGET_SAHF): New define.
4751         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4752         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4753         (x86_sahf): New global variable.
4754         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4755         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4756         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4757         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4758         for 64-bit.
4759         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4760         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4761         when expanding fcomi/sahf based tests.
4762         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4763         expanding sahf based alternative. Emit sahf based sequence when
4764         optimizing for code size.
4765         * config/i386/i386.md (x86_sahf_1): Do not disable for
4766         TARGET_64BIT, enable for TARGET_SAHF.
4767
4768 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4769
4770         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4771         spurious whitespace from error message.
4772
4773 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4774
4775         PR c++/30852
4776         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4777
4778 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4779
4780         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4781         bitfields.
4782         * tree-sra.c (instantiate_element): Propagate disabled warnings
4783         from the element itself to the created variable.
4784
4785 2007-03-07  Richard Henderson  <rth@redhat.com>
4786
4787         PR target/30848
4788         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4789         silently fix up the stack in the case of a missing register.
4790
4791 2007-03-07  Paul Brook  <paul@codesourcery.com>
4792
4793         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4794
4795 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4796
4797         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4798         New.
4799         (phase1_vrs): Use them.
4800         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4801         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4802         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4803         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4804         __gnu_Unwind_Restore_WMMXC if required.
4805         (_Unwind_VRS_Pop): Implement iWMMXt support.
4806         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4807         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4808         gnu_Unwind_Save_WMMXC): Define.
4809
4810 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4811
4812         * config/vxworks.h (vxworks_override_options): Declare.
4813         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4814         * config/vxworks.c: Include target.h and toplev.h.
4815         (vxworks_override_options): New function.
4816         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4817
4818 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4819
4820         * config/s390/s390.c (override_options): Don't emit an error when
4821         -mstack-size is used without providing -mstack-guard.
4822         (s390_emit_prologue): Choose stack_guard value automatically if not
4823         provided via command line.
4824         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4825
4826 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4827
4828         * config/i386/i386.c (output_set_got): Add a GOT initialization
4829         sequence for VxWorks PIC.
4830         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4831         around labels as well as symbols.  Use gotoff_operand instead
4832         of local_symbolic_operand.
4833         (legitimize_pic_address): Use gotoff_operand instead of
4834         local_symbolic_operand.  Use @GOT accesses for labels as
4835         well as symbols.
4836         (ix86_output_addr_diff_elt): Use PC-relative rather than
4837         GP-relative offsets for VxWorks PIC.
4838         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4839         no_new_pseudos.  Check whether the returned register is op0.
4840         * config/i386/i386.md (tablejump): Use PC-relative rather than
4841         GP-relative offsets for VxWorks PIC.
4842         * config/i386/predicates.md (gotoff_operand): New predicate.
4843
4844 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4845
4846         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4847         before defining.
4848         * config/vxworks-dummy.h: New file.
4849         * config/i386/i386.h: Include it.
4850
4851 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4852
4853         * dwarf2out.c (is_inlined_entry_point): New
4854         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4855         DW_AT_ranges if the first subblock is the entry point.
4856
4857 2007-03-06  David Daney  <ddaney@avtrex.com>
4858
4859         * doc/install.texi (mips-*-*): Change recommended binutils
4860         version.
4861
4862 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4863
4864         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4865         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4866         devices.
4867         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4868         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4869
4870 2007-03-06  Jan Hubicka  <jh@suse.cz>
4871
4872         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4873         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4874         are hot.
4875         (probably_cold_bb_p): Cold functions are cold.
4876         (probably_never_executed_bb_p): Cold functions are cold.
4877         (tree_bb_level_predictions): Predict calls to cold functions as not
4878         taken.
4879         (compute_function_frequency): Check hot/cold attributes.
4880         * function.h (function_frequency): Update comments.
4881         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4882         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4883         (c_common_att): Add cold and hot.
4884
4885         * doc/extend.texi (hot,cold attributes): Document.
4886
4887 2007-03-06  Andrew Haley  <aph@redhat.com>
4888
4889         * function.c (expand_function_end): Move blockage to just after we
4890         emit the label for the naked return from the function.
4891
4892 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4893
4894         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4895         before redefining.
4896
4897 2007-03-06  Jan Hubicka  <jh@suse.cz>
4898
4899         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4900         loaded for constant large models.  Non-large 64bit PIC can do.
4901         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4902         * cmodel.h: Add LARGE PIC.
4903         * i386.md (UNSPEC_PLTOFF): New.
4904         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4905         needed.
4906         (*call_1_rex64): Disable for large models.
4907         (*call_1_rex64_large): New.
4908         (*call_value_1_rex64): Disable for large models.
4909         (*call_value_1_rex64_large): New.
4910         (set_rip_rex4): New.
4911         (set_got_offset_rex64): New.
4912         * predicates.md (constant_call_address_operand): For large model
4913         constant calls are not possible.
4914         * i386-protos.h (construct_plt_address): Declare.
4915         * i386.c (override_options): Accept large models.
4916         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4917         (legitimate_constant_p): Add new UNSPECs.
4918         (legitimate_pic_operand_p): Likewise.
4919         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4920         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4921         non-large model.
4922         (output_pic_addr_const): Add PLTOFF.
4923         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4924         (ix86_expand_move): Legitimize pic address when in PIC mode.
4925         (construct_plt_address): New function.
4926         (ix86_expand_call): Offload the address to register and use GOT pointer
4927         for large model.
4928         * invoke.texi (mcmodel=large): Update documentation.
4929
4930 2007-03-06  Richard Henderson  <rth@redhat.com>
4931
4932         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4933         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4934         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4935         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4936         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4937         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4938         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4939         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4940         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4941         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4942         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4943         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4944         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4945         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4946         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4947         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4948         x86_schedule, x86_use_bt, x86_pad_returns,
4949         x86_use_xchgb): Merge into ...
4950         (ix86_tune_features): ... here.  New array.
4951         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4952         x86_bswap): Merge into ...
4953         (ix86_arch_features): ... here.  New array.
4954         (x86_3dnow_a): Remove.
4955         (x86_accumulate_outgoing_args): Make static.
4956         (x86_arch_always_fancy_math_387): Make static.
4957         (ix86_tune_mask, ix86_arch_mask): Move ...
4958         (override_options): ... to local variables here.  Apply the
4959         appropriate mask to each element of ix86_arch_features and
4960         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4961         as were done in the old macros.
4962         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4963         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4964         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4965         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4966         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4967         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4968         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4969         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4970         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4971         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4972         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4973         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4974         x86_accumulate_outgoing_args, x86_prologue_using_move,
4975         x86_epilogue_using_move, x86_decompose_lea,
4976         x86_arch_always_fancy_math_387, x86_shift1,
4977         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4978         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4979         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4980         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4981         x86_use_incdec, x86_pad_returns, x86_bswap,
4982         x86_partial_flag_reg_stall): Remove.
4983         (enum ix86_tune_indices): New.
4984         (ix86_tune_features): New.
4985         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4986         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4987         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4988         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4989         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4990         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4991         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4992         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4993         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4994         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4995         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4996         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4997         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4998         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4999         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5000         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5001         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5002         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5003         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5004         TARGET_EXT_80387_CONSTANTS): Use it.
5005         (enum ix86_arch_indices): New.
5006         (ix86_arch_features): New.
5007         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5008         TARGET_BSWAP): Use it.
5009         (ix86_tune_mask, ix86_arch_mask): Remove.
5010
5011 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5012
5013         PR bootstrap/31020
5014         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5015         Define using $${sysroot_headers_suffix}.
5016         * configure: Regenerate.
5017         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5018         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5019         defined.
5020         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5021         * gcc.c (print_sysroot_headers_suffix): New.
5022         (option_map): Include --print-sysroot-headers-suffix.
5023         (display_help): Mention -print-sysroot-headers-suffix.
5024         (process_command): Handle -print-sysroot-headers-suffix.
5025         (do_spec_1): Append multilib directory to include-fixed path if
5026         sysroot suffixes in use.
5027         (main): Handle -print-sysroot-headers-suffix.
5028         * Makefile.in (start.encap): Don't depend on xlimits.h
5029         (xlimits.h): Remove.
5030         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5031         limits.h for each multilib in fixinc_list.
5032         (fixinc_list, s-fixinc_list): New.
5033         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5034         generate them for each multilib in fixinc_list.
5035         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5036         multilib in fixinc_list.
5037         (mostlyclean): Don't remove xlimits.h.
5038         (clean): Remove include-fixed.
5039         (real-install-headers-tar, real-install-headers-cpio,
5040         real-install-headers-cp): Don't copy include, only include-fixed.
5041         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5042         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5043         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5044         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5045
5046 2007-03-06  Jan Hubicka  <jh@suse.cz>
5047
5048         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5049         NANs easilly.
5050
5051 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5052
5053         * configure.ac: Allow tm_file to contain build-directory files.
5054         * configure: Regenerate.
5055         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5056         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5057         * config/m68k/print-sysroot-suffix.sh: New file.
5058
5059 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5060
5061         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5062         of pic_offset_table_rtx if reload_completed.
5063         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5064         PIC_OFFSET_TABLE_REGNUM.
5065         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5066         return true.
5067         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5068         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5069
5070 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5071
5072         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5073         functions that call eh_return.
5074
5075 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5076
5077         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5078         functions that need a constant pool.
5079
5080 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5081
5082         PR target/28181
5083         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5084         (m68k_preferred_reload_class): Likewise.
5085         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5086         (SECONDARY_RELOAD_CLASS): Define.
5087         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5088         (LIMIT_RELOAD_CLASS): Delete.
5089         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5090         registers from storing bytes.
5091         (m68k_secondary_reload_class): New function.
5092         (m68k_preferred_reload_class): Likewise.
5093
5094 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5095
5096         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5097         leaf functions.
5098         (m68k_expand_prologue): Likewise.
5099
5100 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5101
5102         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5103         (mips_expand_epilogue): Add a bool parameter.
5104         (m68k_legitimize_sibcall_address): Declare.
5105         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5106         (m68k_expand_epilogue): Add a parameter to select between sibling
5107         and normal epilogues.  Only generate a return for the latter.
5108         (m68k_ok_for_sibcall_p): New function.
5109         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5110         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5111         (sibcall_value, *sibcall_value): Likewise.
5112         (*call, *call_value): Require !SIBLING_CALL_P.
5113         (epilogue): Update call to m68k_expand_epilogue.
5114         (sibcall_epilogue): New pattern.
5115         * config/m68k/predicates.md (const_call_operand): Say that this
5116         predicate applies to sibling calls too.
5117         (sibcall_operand): New predicate.
5118
5119 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5120
5121         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5122         alternatives as movsi_cf.
5123         (movsf_cf_hard): Add commentary.
5124
5125 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5126             Richard Sandiford  <richard@codesourcery.com>
5127
5128         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5129         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5130         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5131         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5132         as being live on exit from an interrupt function.
5133         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5134         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5135         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5136         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5137         (m68k_interrupt_function_p): Globalize.
5138         (m68k_compute_frame_layout): Remove reverse mask code.
5139         (m68k_emit_movem, m68k_set_frame_related): New functions.
5140         (m68k_output_function_prologue): Delete in favor of...
5141         (m68k_expand_prologue): ...this new function.
5142         (m68k_output_function_epilogue): Delete in favor of...
5143         (m68k_expand_epilogue): ...this new function.
5144         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5145         functions.
5146         (print_operand): Handle %?.
5147         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5148         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5149         (prologue, epilogue): New patterns.
5150         (return): Turn into a define_expand.
5151         (*return): New pattern, derived from old "return" pattern.  Use rte
5152         rather than rts for interrupt functions.  Only use rtd if the pop
5153         count is nonzero.
5154         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5155         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5156         (link, *link, unlink, *unlink, load_got): Likewise.
5157
5158 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5159
5160         PR target/23482
5161         PR target/17114
5162         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5163         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5164         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5165         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5166         and m68k_matches_u_p.
5167         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5168         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5169         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5170         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5171         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5172         (REG_STRICT_P): New macro.
5173         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5174         PCREL_GENERAL_OPERAND_OK.
5175         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5176         m68k_legitimate_base_reg_p.
5177         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5178         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5179         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5180         * config/m68k/m68k.c (m68k_address): New structure.
5181         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5182         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5183         (m68k_jump_table_ref_p, m68k_decompose_address)
5184         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5185         (m68k_matches_u_p): New functions.
5186         (print_operand_address): Rewrite to use m68k_decompose_index.
5187
5188 2007-03-05  David Taylor  <dtaylor@emc.com>
5189
5190         * gcc.c: Correct copyright date in --version output.
5191
5192 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5193
5194         * pa.md: In unamed move patterns, disparge copies between general
5195         and floating point registers using '?' modifier.  Don't include 'f'
5196         constraint for register preferences in DImode, SImode, HImode and
5197         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5198         Remove constraints for copies between general and floating registers
5199         in soft-float DFmode pattern.
5200         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5201         floating register.
5202         (movsf): Likewise.
5203
5204 2007-03-05  Mike Stump  <mrs@apple.com>
5205
5206         * c-common.c (targetcm): Add.
5207         * c-opts.c (c_common_handle_option): Handle language specific
5208         target options.
5209         * opts.c (handle_option): Verify language for target options, if
5210         any are given.
5211         * opth-gen.awk: Add CL_LANG_ALL.
5212         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5213         (TARGETCM_INITIALIZER): Add.
5214         * target.h (struct gcc_targetcm): Add.
5215         (targetcm): Add.
5216         * targhooks.c (default_handle_c_option): Add.
5217         * targhooks.h (default_handle_c_option): Add.
5218         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5219
5220         * config/darwin.opt (iframework): Add.
5221         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5222         * config/darwin-c.c (handle_c_option): Add.
5223         (TARGET_HANDLE_C_OPTION): Add.
5224         (targetcm): Add.
5225         * doc/invoke.texi (Darwin Options): Add -iframework.
5226
5227 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5228
5229         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5230         conversion.
5231
5232 2007-03-05  Ian Lance Taylor  <iant@google.com>
5233
5234         * c.opt (fgnu89-inline): New option.
5235         * c-opts.c (c_common_post_options): Set default value for
5236         flag_gnu89_inline.
5237         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5238         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5239         inline functions.
5240         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5241         (grokdeclarator, start_function): Likewise.
5242         * c-cppbuiltin.c (c_cpp_builtins): Define either
5243         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5244         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5245         (C Dialect Options): Document -fgnu89-inline.
5246         * doc/extend.texi (Function Attributes): Explain what the
5247         gnu_inline attribute does.
5248         * doc/cpp.texi (Common Predefined Macros): Document
5249         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5250
5251 2007-03-05  Ian Lance Taylor  <iant@google.com>
5252
5253         PR tree-optimization/31034
5254         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5255         half-range if the other side is an overflow infinity.
5256
5257 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5258
5259         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5260         (bfin*-linux-uclibc*): New configuration.
5261         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5262         defining.
5263         * config/bfin/linux.h: New file.
5264         * config/bfin/libgcc-bfin.ver: New file.
5265         * config/bfin/t-bfin-uclinux: New file.
5266         * config/bfin/t-bfin-linux: New file.
5267         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5268         (TARGET_OS_CPP_BUILTINS): New macro.
5269
5270 2007-03-05  Richard Guenther  <rguenther@suse.de>
5271
5272         * fold-const.c (fold_binary): Remove duplicate folding
5273         of comparison of non-null ADDR_EXPR against null.
5274
5275 2007-03-05  Richard Guenther  <rguenther@suse.de>
5276             Dorit Nuzman  <dorit@il.ibm.com>
5277
5278         PR tree-optimization/26420
5279         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5280         are no loops in the function.  Only print the number of
5281         vectorized loops if it is greater than zero or we are supposed
5282         to print information about unvectorized loops.
5283
5284 2007-03-05  Revital Eres  <eres@il.ibm.com>
5285
5286         * gcc.dg/var-expand1.c: New test.
5287         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5288         when an accumulator is expanded.
5289
5290 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5291
5292         PR other/30465
5293         * c-common.c (convert_and_check): Don't give warnings for
5294         conversion if 'expr' already overflowed.
5295
5296 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5297
5298         PR middle-end/30744
5299         * fold-const.c (fold_comparison): Enforce type consistency when
5300         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5301
5302 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5303
5304         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5305         containing a cast to the base of TARGET_MEM_REF.
5306
5307 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5308
5309         * tree.c (tree_contains_struct_check_failed): Remove spurious
5310         whitespace from error message.
5311
5312 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5313
5314         PR target/30406
5315         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5316         instead of precision.
5317
5318 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5319             Nathan Sidwell  <nathan@codesourcery.com>
5320
5321         * emit-rtl.c (find_auto_inc): New.
5322         (try_split): recreate REG_INC notes,
5323         Use regular for loops rather than whiles.
5324
5325 2007-03-03  Andreas Schwab  <schwab@suse.de>
5326
5327         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5328         * configure: Regenerate.
5329
5330 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5331
5332         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5333         flag_rounding_math, not flag_unsafe_math_optimizations.
5334
5335         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5336         fold_build2.
5337         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5338         alpha_fold_vector_minmax): Likewise.
5339         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5340         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5341
5342 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5343
5344         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5345         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5346         if the lhs has side-effects.
5347         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5348
5349 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5350
5351         * config/i386/i386.h (TUNEMASK): Remove define.
5352         (ARCHMASK): Remove define.
5353         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5354          Use ix86_arch_mask variable instead of ARCHMASK.
5355         * config/i386/i386.c (override_options): Ditto.
5356         (standard_80387_constant_p): Ditto.
5357
5358 2007-03-02  Ian Lance Taylor  <iant@google.com>
5359
5360         Used signed infinities in VRP.
5361         * tree-vrp.c (uses_overflow_infinity): New static function.
5362         (supports_overflow_infinity): New static function.
5363         (make_overflow_infinity): New static function.
5364         (negative_overflow_infinity): New static function.
5365         (positive_overflow_infinity): New static function.
5366         (is_negative_overflow_infinity): New static function.
5367         (is_positive_overflow_infinity): New static function.
5368         (is_overflow_infinity): New static function.
5369         (overflow_infinity_range_p): New static function.
5370         (compare_values_warnv): New function split out of compare_values.
5371         (compare_value): Call it.
5372         (set_value_range_to_nonnegative): Add overflow_infinity
5373         parameter.  Change caller.
5374         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5375         Change callers.
5376         (vrp_expr_computes_nonzero): Likewise.
5377         (compare_ranges, compare_range_with_value): Likewise.
5378         (compare_name_with_value, compare_names): Likewise.
5379         (vrp_evaluate_conditional): Likewise.
5380         (set_value_range): Handle infinity
5381         (vrp_operand_equal_p, operand_less_p): Likewise.
5382         (extract_range_from_assert): Likewise.
5383         (vrp_int_const_binop): Likewise.
5384         (extract_range_from_binary_expr): Likewise.
5385         (extract_range_from_unary_expr): Likewise.
5386         (extract_range_from_comparison): Likewise.
5387         (extract_range_from_expr): Likewise.
5388         (dump_value_range): Likewise.
5389         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5390         (test_for_singularity): Likewise.
5391         (vrp_int_const_binop): Remove inline qualifier.
5392         (adjust_range_with_scev): Add comment.
5393         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5394
5395 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5396
5397         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5398         (get_constraint_for): Likewise.
5399         (do_structure_copy): Likewise.
5400         (find_func_aliases): Fix references to MODIFY_EXPR.
5401         (intra_create_variable_infos): Tidy.
5402         * tree-ssa-operands.c (add_virtual_operand): Add argument
5403         IS_CALL_SITE.
5404         When adding members of alias sets, if IS_CALL_SITE is true and
5405         the symbol is not call-clobbered, skip it.
5406         Adjust all callers.
5407
5408 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5409
5410         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5411         entry by means of emit_insn_at_entry.
5412
5413 2007-03-02  Richard Henderson  <rth@redhat.com>
5414
5415         * expr.h (promoted_input_arg): Remove decl.
5416         * function.c (promoted_input_arg): Merge into ...
5417         * combine.c (setup_incoming_promotions): ... only caller.
5418         Rearrange to avoid double loop.
5419
5420 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5421             Peter Bergner  <bergner@vnet.ibm.com>
5422             Janis Johnson  <janis187@us.ibm.com>
5423
5424         * config/rs6000/dfp.md: New file.
5425         * config/rs6000/rs6000.md: Include dfp.md.
5426         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5427         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5428         and TDmode decimal float modes in FP registers.
5429         (num_insns_constant): Likewise.
5430         (rs6000_legitimate_offset_address_p): Likewise.
5431         (rs6000_legitimize_address): Likewise.
5432         (rs6000_legitimize_reload_address): Likewise.
5433         (rs6000_legitimate_address): Likewise.
5434         (rs6000_emit_move): Likewise.
5435         (function_arg_boundary): Likewise.
5436         (function_arg_advance): Likewise.
5437         (rs6000_darwin64_record_arg_recurse): Likewise.
5438         (function_arg): Likewise.
5439         (rs6000_gimplify_va_arg): Likewise.
5440         (rs6000_split_multireg_move): Likewise.
5441         (rs6000_output_function_epilogue): Likewise.
5442         (rs6000_output_function_epilogue): Likewise.
5443         (rs6000_register_move_cost): Likewise.
5444         (rs6000_function_value): Likewise.
5445         (rs6000_libcall_value): Likewise.
5446
5447 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5448
5449         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5450
5451 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5452
5453         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5454         Use $MULTIDIR to choose between the kernel and RTP headers,
5455         and use $WIND_BASE and $WIND_USR to locate them.
5456
5457 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5458
5459         * config/i386/i386.c (override_options): Put initialization of
5460         ix86_tune_mask and ix86_arch_mask to the correct place.
5461
5462 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5463             Michael Meissner  <michael.meissner@amd.com>
5464
5465         PR target/31019
5466         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5467         (ARCHMASK): Define.
5468         (TARGET_CMOVE): Use ARCHMASK.
5469         (TARGET_CMPXCHG): Ditto.
5470         (TARGET_CMPXCHG8B): Ditto.
5471         (TARGET_XADD): Ditto.
5472         (TARGET_BSWAP): Ditto.
5473         * config/i386/i386.c (ix86_tune_mask): New global variable.
5474         (ix86_arch_mask): Ditto.
5475         (override_options): Initialize ix86_tune_mask and
5476         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5477         target_flags.
5478
5479 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5480
5481         PR 30992
5482         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5483
5484 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5485
5486         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5487         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5488         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5489         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5490         hook.
5491         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5492         rs6000_init_dwarf_reg_sizes_extra): New.
5493         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5494         SPE register high parts.
5495
5496 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5497
5498         * Makefile.in: Add install-pdf target as
5499         copied from automake v1.10 rules.
5500         * configure.ac: Add install-pdf to target list.
5501         * configure: Regenerate.
5502
5503 2007-03-01  Paul Brook  <paul@codesourcery.com>
5504
5505         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5506         modes to LDRD for DImode.
5507         (output_move_double): Fixup out of range ldrd/strd.
5508         (vfp_secondary_reload_class): Rename...
5509         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5510         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5511         coproc_secondary_reload_class for CLASS_IWMMXT.
5512         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5513         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5514
5515 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5516
5517         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5518         factor by the estimated number of iterations.
5519         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5520         prefetch latency.
5521
5522         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5523         decode_caches_intel, detect_caches_intel): New functions.
5524         (host_detect_local_cpu): Use detect_caches_amd and
5525         detect_caches_intel.
5526
5527 2007-03-01  Richard Henderson  <rth@redhat.com>
5528
5529         * expr.c (emit_move_complex_push): Export.
5530         (emit_move_complex_parts): Split out from ...
5531         (emit_move_complex): ... here.
5532         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5533         * config/i386/i386.md (movcdi): New.
5534
5535 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5536
5537         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5538         size of mode1 to check for tieable modes in MMX case.
5539
5540 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5541
5542         * Makefile.in (rtlanal.o): Depend on tree.h.
5543         * rtl.h (offset_within_section_p, split_const): Declare.
5544         * rtlanal.c: Include tree.h.
5545         (offset_within_block_p): New function, taken from
5546         mips_offset_within_object_p.
5547         (split_const): New function, taken from mips_split_const.
5548         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5549         Declare.
5550         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5551         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5552         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5553         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5554         (m68k_illegitimate_symbolic_constant_p): New function.
5555         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5556         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5557         symbolic constant that might be outside the symbol's section,
5558         move the symbol first and then add the offset.
5559         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5560         Override.
5561         * config/mips/mips.c (mips_split_const): Delete.
5562         (mips_offset_within_object_p): Delete.
5563         (mips_symbolic_constant_p): Use offset_within_section_p and
5564         split_const instead of mips_offset_within_object_p and
5565         mips_split_const.
5566         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5567         (mips_legitimize_const_move, print_operand_reloc)
5568         (mips_dangerous_for_la25_p): Use split_const instead of
5569         mips_split_const.
5570
5571 2007-02-28  Eric Christopher  <echristo@apple.com>
5572
5573         * Makefile.in (install-include-dir): Don't rm -rf include.
5574
5575 2007-02-28  Richard Guenther  <rguenther@suse.de>
5576
5577         PR middle-end/30364
5578         * fold-const.c (fold_binary): Do not associate expressions
5579         with more than one variable for integer types that do not wrap.
5580
5581 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5582
5583         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5584         Delete, and replace with...
5585         (fold_builtin_call_array): This.  Update callers to use it.
5586         * fold-const.c (fold_build_call_list): Delete, and replace with...
5587         (fold_build_call_array): This.
5588         (fold_build_call_list_initializer): Delete, and replace with...
5589         (fold_build_call_array_initializer): This.
5590         * tree.h: Update declarations to reflect above changes.
5591
5592         * c-typeck.c (build_function_call): Store converted arguments
5593         in a stack-allocated array instead of building a list.
5594         (convert_arguments): Store arguments in the array passed in as an
5595         argument, and return the actual number of arguments.
5596         * c-format.c: (check_function_format): Pass arguments in an
5597         array instead of a list.
5598         * c-common.c (check_function_nonnull): Likewise.
5599         (check_function_sentinel): Likewise.
5600         (check_function_arguments): Likewise.
5601         * c-common.h: Update declarations to reflect above changes.
5602
5603 2007-02-28  Jan Hubicka  <jh@suse.cz>
5604
5605         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5606         PRED_NEGATIVE_RETURN): Update outcomes.
5607
5608 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5609
5610         * calls.c (emit_library_call_value_1): Handle partial registers
5611         correctly when building up CALL_INSN_FUNCTION_USAGE.
5612
5613 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5614
5615         * pa/predicates.md (move_src_operand): Allow zero for mode.
5616         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5617         move pattern.
5618
5619 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5620
5621         PR target/30970
5622         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5623         *movv2df_internal): Enable pattern only for valid operand
5624         combinations.
5625         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5626         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5627
5628 2007-02-27  Mike Stump  <mrs@apple.com>
5629
5630         * config/darwin-crt3.c: Avoid compilation when compiling for a
5631         kext multilib.
5632
5633 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5634
5635         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5636         FIXED_INCLUDE_DIR.
5637         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5638         for fixed headers and limits.h.
5639         (install-include-dir, install-headers-tar, install-headers-cpio,
5640         install-headers-cp, real-install-headers-tar,
5641         real-install-headers-cpio, real-install-headers-cp): Handle
5642         include-fixed as well as include.
5643         (install-mkheaders): Don't install files that go only in include
5644         not include-fixed.
5645         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5646         from GCC_INCLUDE_DIR.
5647         * gcc.c (process_command): Remove special -BstageN/ handling.
5648         (do_spec_1): Add include-fixed directories.
5649
5650 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5651
5652         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5653         _smulsi3_highpart.
5654         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5655         New functions.
5656         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5657         patterns.
5658
5659 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5660
5661         * c-common.c (get_priority): Add check for
5662         SUPPORTS_INIT_PRIORITY.
5663
5664 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5665
5666         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5667
5668         * config/bfin/bfin.c: Include "cfglayout.h".
5669         (MAX_LSETUP_DISTANCE): New macro.
5670         (struct loop_info): New members incoming, incoming_src and
5671         incoming_dest.  Delete member predecessor.
5672         (length_for_loop): New function.
5673         (bfin_optimize_loop): Handle more different loop structures.
5674         (bfin_discover_loop): Rework detection of predecessor blocks by
5675         examining incoming edges.
5676         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5677         bfin_reorg_loops.
5678         (bfin_reorder_loops): New function.
5679         (bfin_reorg_loops): Use these three new functions.
5680
5681         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5682         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5683         (CONSTRAINT_LEN): Add entry for 'q'.
5684         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5685         Add 'q' constraints.
5686         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5687         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5688
5689         * config/bfin/bfin.md (add_with_carry): New pattern.
5690         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5691         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5692         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5693         support unsigned multiplies too.  Removed incorrect commutativity from
5694         operand 1 constraint where appropriate.
5695         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5696         patterns.
5697         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5698         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5699         New patterns.
5700         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5701         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5702         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5703         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5704         usmulhisi_hh_huh): New patterns.
5705
5706         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5707         lshifthi3): Fix output template to use half reg for operand 2.
5708
5709         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5710         instead of R2.
5711
5712         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5713
5714 2007-02-27  Andreas Schwab  <schwab@suse.de>
5715
5716         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5717
5718 2007-02-27  Jan Hubicka  <jh@suse.cz>
5719
5720         * predict.c (last_basic_block_p): Remove.
5721         (tree_estimate_probability): Update return heuristic for commonized
5722         return blocks.
5723
5724 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5725
5726         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5727
5728 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5729
5730         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5731         * doc/cpp.texi: Standardize title page.
5732         * doc/cppinternals.texi: Likewise.
5733         * doc/gcc.texi: Standardize title page, remove version number
5734         from copyright page.
5735         * doc/gccint.texi: Likewise.
5736         * doc/install.texi: Standardize title page, add table of
5737         contents.
5738
5739 2007-02-26  Jan Hubicka  <jh@suse.cz>
5740
5741         * predict.def: Set outcomes according to more recent results.
5742         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5743         Remove dead predictors.
5744         * predict.c (return_prediction): Fix pasto.
5745
5746 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5747
5748         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5749         change; avoid a memory leak when returning early.
5750
5751 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5752
5753         * c-decl.c (static_ctors): Move to c-common.c.
5754         (static_dtors): Likewise.
5755         (finish_function): Use c_record_cdtor_fn.
5756         (build_cdtor): Move to c-common.c.
5757         (c_write_global_declarations): Use c_build_cdtor_fns.
5758         * c-common.h (static_ctors): Declare.
5759         (static_dtors): Likewise.
5760         (c_record_cdtor_fn): Likewise.
5761         (c_build_cdtor_fns): Likewise.
5762         * c-common.c (static_ctors): New variable.
5763         (static_dtors): Likewise.
5764         (c_record_cdtor_fn): New function.
5765         (build_cdtor): Move from c-decl.c
5766         (c_build_cdtor_fns): New function.
5767
5768         * output.h (assemble_addr_to_section): Declare.
5769         (get_cdtor_priority_section): Likewise.
5770         * varasm.c (assemble_addr_to_section): New function.
5771         (get_cdtor_priority_section): Likewise.
5772         (default_named_section_asm_out_destructor): Use them.
5773         (destor_dtor_section_asm_out_destructor): Likewise.
5774         (default_named_section_asm_out_constructor): Likewise.
5775         (default_ctor_section_asm_out_constructor): Likewise.
5776         * config.gcc (*-*-vxworks*): Include vxworks.o.
5777         * config/t-vxworks (vxworks.o): New target.
5778         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5779         (TARGET_ASM_CONSTRUCTOR): Define.
5780         (TARGET_ASM_DESTRUCTOR): Likewise.
5781         (vxworks_asm_out_constructor): Declare.
5782         (vxworks_asm_out_destructor): Likewise.
5783
5784         * c-common.c (get_priority): Check that we have not just an
5785         INTEGER_CST, but an integer constant with integeral type.
5786
5787 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5788
5789         PR tree-optimization/30938
5790         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5791         use &dt[nargs-1] instead of &dt[nargs] in the call to
5792         vect_is_simple_use().
5793
5794 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5795
5796         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5797         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5798         Do not attempt to handle MEM inside auto-inc expressions.
5799         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5800         of a register modified by an auto-inc expression.  However, do handle
5801         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5802         (elimination_effects): Prohibit elimination of a register modified
5803         by an auto-inc expression.  Disable register elimination rules whose
5804         target register is modified by an auto-inc expression with variable
5805         increment.
5806
5807 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5808
5809         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5810         off-by-one error.
5811         (array_at_struct_end_p): New function.
5812         (idx_infer_loop_bounds): Use it.
5813         (estimate_numbers_of_iterations_loop): Export.
5814         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5815         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5816         (tree_estimate_probability): Call record_loop_exits.
5817         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5818         (estimated_loop_iterations, estimated_loop_iterations_int,
5819         estimated_loop_iterations_tree): New functions.
5820         (analyze_siv_subscript_cst_affine,
5821         compute_overlap_steps_for_affine_1_2,
5822         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5823         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5824         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5825         (PRED_LOOP_ITERATIONS_GUESSED): New.
5826         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5827         * cfgloop.h (estimate_numbers_of_iterations_loop,
5828         estimated_loop_iterations_int): Declare.
5829
5830 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5831
5832         * doc/extend.texi: Document optional priority argument to
5833         constructors and destructors.
5834         * tree.c (init_priority_for_decl): Adjust GTY markers.
5835         (init_ttree): Use priority-info hash functions for
5836         init_priority_for_decl.
5837         (tree_map_eq): Rename to ...
5838         (tree_map_base_eq): ... this.
5839         (tree_map_marked_p): Rename to ...
5840         (tree_map_base_marked_p): ... this.
5841         (tree_map_base_hash): New function.
5842         (decl_init_priority_lookup): Rework.
5843         (decl_fini_priority_lookup): New function.
5844         (decl_priority_info): New function.
5845         (decl_init_priority_insert): Use it.
5846         (decl_fini_priority_insert): Likewise.
5847         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5848         hierarchy.
5849         (decl_restrict_base_insert): Likewise.
5850         (decl_debug_expr_insert): Likewise.
5851         (decl_value_expr_lookup): Likewise.
5852         (decl_value_expr_insert): Likewise.
5853         * tree.h (priority_type): New type.
5854         (decl_init_priority_lookup): Use priority_type.
5855         (decl_fini_priority_lookup): New function.
5856         (decl_init_priority_insert): Use priority_type.
5857         (decl_fini_priority_insert): New function.
5858         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5859         (DECL_INIT_PRIORITY): Likewise.
5860         (SET_DECL_INIT_PRIORITY): Add comment.
5861         (DECL_FINI_PRIORITY): New macro.
5862         (SET_DECL_FINI_PRIORITY): Likewise.
5863         (DEFAULT_INIT_PRIORITY): Document.
5864         (MAX_INIT_PRIORITY): Likewise.
5865         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5866         (tree_map_base): New type.
5867         (tree_map_base_eq): New function.
5868         (tree_map_base_hash): Likewise.
5869         (tree_map_base_marked_p): Likewise.
5870         (tree_map): Inherit from tree_map_base.
5871         (tree_map_eq): Make it a macro.
5872         (tree_map_marked_p): Likewise.
5873         (tree_int_map): Inherit from tree_map_base.
5874         (tree_int_map_eq): Make it a macro.
5875         (tree_int_map_hash): Likewise.
5876         (tree_int_map_marked_p): Likewise.
5877         (tree_priority_map): New type.
5878         (tree_priority_map_eq): New macro.
5879         (tree_priority_map_hash): Likewise.
5880         (tree_priority_map_marked_p): Likewise.
5881         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5882         hierarchy.
5883         (emutls_common_1): Likewise.
5884         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5885         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5886         of tree_map hierarchy.
5887         * tree-cfg.c (move_stmt_r): Likewise.
5888         (new_label_mapper): Likewise.
5889         * c-tree.h (c_expand_body): Move to ...
5890         * c-common.h (c_expand_body): ... here.
5891         * c-decl.c (c_expand_body): Move to ...
5892         * c-common.c (c_expand_body): ... here.
5893         (c_common_attribute_table): Allow 1 argument for the constructor
5894         and destructor attributes.
5895         (get_priority): New function.
5896         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5897         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5898
5899 2007-02-24  Jan Hubicka  <jh@suse.cz>
5900
5901         PR middle-end/30509
5902         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5903
5904 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5905             Jan Hubicka  <jh@suse.cz>
5906
5907         PR target/30778
5908         * i386.c (counter_mode): New function.
5909         (expand_set_or_movmem_via_loop): Use it.
5910         (expand_movmem_epilogue): Likewise; fix pasto.
5911         (ix86_expand_movmem): Do emit guard even for constant counts.
5912         (ix86_expand_setmem): Likewise.
5913
5914 2007-02-25  Nick Clifton  <nickc@redhat.com>
5915
5916         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5917         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5918
5919 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5920
5921         PR target/30770
5922         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5923         count argument with 0x10, not with 0x16.
5924         (expand_setmem_epilogue): Ditto.
5925
5926 2007-02-24  Mike Stump  <mrs@apple.com>
5927
5928         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5929         symbols.
5930
5931 2007-02-24  Richard Guenther  <rguenther@suse.de>
5932
5933         PR middle-end/30951
5934         * fold-const.c (fold_binary): Fold x +- CST op x for
5935         EQ_EXPR and NE_EXPR.
5936
5937 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5938
5939         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5940
5941 2007-02-24  Jan Hubicka  <jh@suse.cz>
5942
5943         * cgraphunit.c (decide_is_function_needed): Honor
5944         -fkeep-inline-functions.
5945
5946 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5947
5948         * builtins.c (fold_builtin_modf): New.
5949         (fold_builtin_2): Use it.
5950
5951 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5952
5953         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5954         (determine_max_iter): Take additional LOOP arg; all callers changed.
5955         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5956         one using simplifications.
5957         (simplify_using_initial_values): Return if the expression becomes
5958         invalid due to altered regs.
5959
5960 2007-02-23  DJ Delorie  <dj@redhat.com>
5961
5962         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5963
5964 2007-02-23  Mike Stump  <mrs@apple.com>
5965
5966         * tlink.c (scan_linker_output): Parse linker messages from
5967         darwin9's linker better.
5968
5969 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5970
5971         PR debug/29614
5972         * varpool.c (varpool_assemble_pending_decls):  Set
5973         varpool_last_needed_node to null.
5974
5975 2007-02-23  DJ Delorie  <dj@redhat.com>
5976
5977         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5978         alignment bigger than the object file can handle.
5979
5980 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5981
5982         PR target/30825
5983         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5984         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5985         (*movsf_1): Penalize MMX moves.
5986
5987 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5988
5989         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5990         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5991
5992         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5993
5994 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5995
5996         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5997         (fold_builtin_1): Use them.
5998         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5999         BUILT_IN_SIGNIFICAND.
6000
6001 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6002
6003         * config/i386/i386.c (bdesc_1arg): Initialize
6004         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6005         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6006         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6007         and IX86_BUILTIN_MOVSLDUP.
6008
6009 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6010
6011         PR rtl-optimization/30841
6012         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6013
6014 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6015
6016         * builtins.c (fold_builtin_frexp): New.
6017         (fold_builtin_2): Use it.
6018
6019 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6020
6021         * doc/invoke.texi (Spec Files): Document getenv spec function.
6022
6023         * gcc.c (getenv_spec_function): New function.
6024         (static_spec_functions): Add it.
6025         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6026         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6027         header files.
6028
6029 2007-02-22  Michael Matz  <matz@suse.de
6030
6031         PR c++/29433
6032         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6033         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6034
6035 2007-02-22  Ian Lance Taylor  <iant@google.com>
6036
6037         PR debug/30898
6038         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6039         (mem_loc_descriptor): Call it.
6040
6041 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6042             Ira Rosen  <irar@il.ibm.com>
6043
6044         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6045
6046 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6047
6048         PR tree-optimization/30843
6049         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6050         stores only after all the group is vectorized.
6051
6052 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6053
6054         PR tree-optimization/30858
6055         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6056         in the reduction cycle have a single use in the loop.
6057         * tree-vectorizer.h (relevant): Add documentation.
6058
6059 2007-02-20  Mike Stump  <mrs@apple.com>
6060
6061         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6062         * configure: Regenerate.
6063
6064 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6065
6066         Change the defaults of some parameters and options.
6067         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6068         * config/spu/spu.c (spu_optimization_options): Add.
6069         (spu_override_options): Change params in spu_optimization_options.
6070         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6071
6072         Register 127 is only 16 byte aligned when used as a frame pointer.
6073         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6074         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6075         HARD_FRAME_POINTER_REGNUM.
6076         (spu_legitimate_address):  Use regno_aligned_for_reload.
6077         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6078         aligned when frame_pointer_needed is true.
6079         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6080         to 8 bits.
6081         * config/spu/spu.h (INIT_EXPANDERS): Define.
6082
6083         Make sure shift and rotate instructions have valid immediate operands.
6084         * config/spu/predicates.md (spu_shift_operand): Remove.
6085         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6086         * config/spu/constraints.md (W, O): Extend range.
6087         * config/spu/spu.md (umask, nmask): Define.
6088         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6089         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6090         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6091         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6092         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6093         (lshr<mode>3_reg):  Fix rtl description.
6094
6095         Make sure mulhisi immediate operands are valid.
6096         * config/spu/predicates.md (imm_K_operand): Add.
6097         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6098
6099         Generate constants using fsmbi and andi.
6100         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6101         (print_operand, spu_split_immediate, classify_immediate,
6102         fsmbi_const_p): Handle IC_FSMBI2.
6103
6104         Correctly handle a CONST_VECTOR containing symbols.
6105         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6106         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6107         (immediate_load_p): Allow symbols that use 2 instructions to create.
6108         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6109         with symbols when flag_pic is set.
6110         (const_vector_immediate_p): New.
6111         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6112         accept a CONST_VECTOR with symbols.
6113         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6114         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6115         correctly.
6116         * config/spu/spu.md (high, low): Delete.
6117         (low_<mode>): Define.
6118
6119         Remove INTRmode and INTR_REGNUM, which didn't work.
6120         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6121         of INTR_REGNUM.
6122         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6123         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6124         peephole2 pattern): Don't use INTR or 131.
6125         (movintrcc): Delete.
6126         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6127         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6128         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6129         (UNSPEC_SET_INTR): Add.
6130         * config/spu/spu-modes.def (INTR): Remove.
6131
6132         More accurate warnings about run-time relocations.
6133         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6134
6135         Correctly warn about immediate arguments to specific intrinsics.
6136         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6137         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6138         the instruction predicate.
6139
6140         Fix tree check errors with latest update.
6141         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6142         CALL_EXPR_ARG.
6143         (spu_expand_builtin): Use CALL_EXPR_FN.
6144
6145         Add missing specific intrinsics.
6146         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6147         si_bislede.
6148         * config/spu/spu_internals.h: Ditto.
6149
6150         Fix incorrect operand modifiers.
6151         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6152         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6153
6154         Optimize one case of zero_extend of a vec_select.
6155         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6156
6157         Accept any immediate for hbr.
6158         * config/spu/spu.md (hbr):  Change s constraints to i.
6159
6160 2007-02-21  Paul Brook  <paul@codesourcery.com>
6161
6162         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6163         condexec_count when skipping USE and CLOBBER.
6164
6165 2007-02-21  Nick Clifton  <nickc@redhat.com>
6166
6167         * common.opt (Warray-bounds): Add Warning attribute.
6168         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6169         Likewise.
6170         (fsized-zeroes): Add Optimization attribute.
6171         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6172         * c.opt (Wc++0x-compat): Add Warning attribute.
6173
6174 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6175
6176         PR middle-end/30761
6177         * reload1.c (eliminate_regs_in_insn): In the single_set special
6178         case, attempt to re-recognize the insn before falling back to
6179         having reload fix it up.
6180
6181 2007-02-20  Eric Christopher  <echristo@gmail.com>
6182
6183         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6184         Rewrite accordingly.
6185         (frv_read_iacc_argument): Ditto.
6186         (frv_expand_set_builtin): Take a call instead of arglist, update for
6187         above changes.
6188         (frv_expand_unop_builtin): Ditto.
6189         (frv_expand_binop_builtin): Ditto.
6190         (frv_expand_cut_builtin): Ditto.
6191         (frv_expand_binopimm_builtin): Ditto.
6192         (frv_expand_voidbinop_builtin): Ditto.
6193         (frv_expand_int_void2arg): Ditto.
6194         (frv_expand_prefetches): Ditto.
6195         (frv_expand_voidtriop_builtin): Ditto.
6196         (frv_expand_voidaccop_builtin): Ditto.
6197         (frv_expand_load_builtin): Ditto.
6198         (frv_expand_store_builtin): Ditto.
6199         (frv_expand_mdpackh_builtin): Ditto.
6200         (frv_expand_mclracc_builtin): Ditto.
6201         (frv_expand_mrdacc_builtin): Ditto.
6202         (frv_expand_mwtacc_builtin): Ditto.
6203         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6204         calls for above.
6205
6206 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6207
6208         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6209         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6210         cmpb instruction.
6211         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6212         point instructions.
6213         * configure: Regenerate.
6214         * config.in: Regenerate.
6215         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6216         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6217         masks to power6 and power6x and to POWERPC_MASKS.
6218         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6219         _ARCH_PWR6.
6220         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6221         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6222         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6223         Access PROTOTYPE as variable, not mask.
6224
6225 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6226
6227         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6228         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6229         * combine.c (adjust_for_new_dest): Use it.
6230         * postreload.c (reload_combine): Likewise.
6231
6232 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6233
6234         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6235         notes on an insn with multiple sets, even if single_set returns
6236         non-NULL for that insn.
6237
6238 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6239
6240         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6241         scalbn and scalbln.
6242
6243 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6244
6245         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6246         if user didn't pass it.
6247         * config/i386/darwin.h (CC1_SPEC): Likewise.
6248         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6249         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6250         -mmacosx-version-min.
6251
6252 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6253             Uros Bizjak  <ubizjak@gmail.com>
6254
6255         * optabs.h (enum optab_index): Add new OTI_scalb.
6256         (scalb_optab): Define corresponding macro.
6257         * optabs.c (init_optabs): Initialize scalb_optab.
6258         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6259         patterns.
6260         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6261         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6262         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6263         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6264         flag_unsafe_math_optimizations is set.
6265
6266         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6267         to implement scalbf, scalb and scalbl built-ins as inline x87
6268         intrinsics.
6269
6270 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6271             DJ Delorie <dj@redhat.com>
6272
6273         PR other/30824
6274         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6275         (diagnostic_report_diagnostic): ... here, and turn them into real
6276         errors. If warnings are inhibited, no need to do anything.
6277
6278 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6279
6280         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6281         better code generation.
6282
6283 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6284
6285         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6286
6287 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6288
6289         * config/alpha/alpha.c, config/alpha/alpha.md,
6290         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6291         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6292         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6293         config/arm/lib1funcs.asm: Follow spelling conventions.
6294
6295         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6296         config/fr30/fr30.md, config/i386/i386.h,
6297         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6298         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6299         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6300         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6301         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6302         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6303         config/sparc/sparc.c, config/sparc/sparc.h,
6304         config/sparc/sparc.md, config/spu/constraints.md,
6305         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6306         conventions.
6307
6308 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6309
6310         PR target/29943
6311         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6312         alias attribute.
6313
6314 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6315
6316         * doc/invoke.texi (-ftree-lrs): Remove.
6317
6318 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6319
6320         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6321         NULL.
6322
6323 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6324
6325         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6326         new CALL_EXPR_FN macro for retrieving the function
6327         declaration of the input expression.
6328
6329 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6330
6331         * c.opt (Waddress): New.
6332         * common.opt (Walways-true): Delete.
6333         (Wstring-literal-comparison): Delete.
6334         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6335         -Wstring-literal-comparison. Add -Waddress.
6336         (Waddress): New.
6337         (Walways-true): Delete.
6338         (Wstring-literal-comparison): Delete.
6339         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6340         consistently instead of -Walways-true in example.
6341         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6342         * c-typeck.c (parser_build_binary_op): Replace
6343         -Wstring-literal-comparison and -Walways-true with -Waddress.
6344         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6345         with -Waddress.
6346
6347 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6348
6349         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6350         without DECL_STRUCT_FUNCTION initialized.
6351
6352 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6353
6354         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6355         due to calls to functions taking pointers as parameters.
6356
6357 2007-02-19  Richard Henderson  <rth@redhat.com>
6358
6359         PR debug/29558
6360         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6361         in memory.
6362
6363 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6364
6365         * config/s390/s390.c (s390_call_saved_register_used,
6366         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6367         accessed to the new scheme.
6368
6369 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6370
6371         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6372         (cris_print_index, cris_print_operand, cris_print_operand_address)
6373         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6374         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6375         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6376         GET_CODE () == xxx.
6377         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6378         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6379         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6380         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6381         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6382         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6383         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6384         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6385         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6386         (uminsi3, call, call_value): Ditto.
6387         (define_split: indir_to_reg_split, unnamed): Ditto.
6388
6389 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6390
6391         PR tree-optimization/30975
6392         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6393         wrong assert.
6394
6395 2007-02-18  Eric Christopher  <echristo@gmail.com>
6396
6397         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6398         Remove use of arglist.
6399         (mips_expand_builtin): Remove use of arglist, pass in expr.
6400         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6401         (mips_expand_builtin_movtf): Ditto.
6402         (mips_expand_builtin_compare): Ditto.
6403
6404 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6405
6406         * tree-sra.c (sra_build_assignment): Replace assertion
6407         checking with a comment explaining why it can't be done.
6408
6409 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6410
6411         PR middle-end/30833
6412         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6413         during CALL_EXPR representation conversion.
6414         * tree-ssa-propagate.c (set_rhs): Likewise.
6415
6416 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6417
6418         * tree-sra.c (sra_build_assignment): Disable assertion checking
6419         for now.
6420
6421 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6422
6423         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6424         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6425         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6426         Likewise.
6427         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6428         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6429         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6430         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6431         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6432         force_gimple_operand): Likewise.
6433         * ipa-cp.c (constant_val_insert): Likewise.
6434         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6435         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6436         perfect_nestify): Likewise.
6437         * langhooks.c (lhd_omp_assignment): Likewise.
6438         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6439         lower_copyprivate_clauses, lower_send_clauses,
6440         lower_send_shared_vars, expand_parallel_call,
6441         expand_omp_for_generic, expand_omp_for_static_nochunk,
6442         expand_omp_for_static_chunk, expand_omp_sections,
6443         lower_omp_single_copy, lower_omp_for_lastprivate,
6444         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6445         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6446         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6447         Likewise.
6448
6449 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6450
6451         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6452         config/sh/sh.md: Follow spelling conventions.
6453
6454         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6455         config/frv/predicates.md: Follow spelling conventions.
6456
6457         * config/m68k/linux-unwind.h: Fix a comment typo.
6458         * target.h: Follow spelling conventions.
6459
6460 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6461
6462         PR rtl-optimization/28173
6463         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6464         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6465         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6466         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6467         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6468
6469 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6470
6471         * builtins.c (fold_builtin_load_exponent): New.
6472         (fold_builtin_2): Use it.
6473
6474 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6475
6476         PR rtl-optimization/30773
6477         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6478         if we fail to attach a REG_EQUIV note.
6479
6480 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6481             Roger Sayle  <roger@eyesopen.com>
6482
6483         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6484
6485 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6486
6487         * calls.c (initialize_argument_information): Pass original EXP
6488         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6489         code to split complex arguments here, as part of initializing the
6490         ARGS array.
6491         (expand_call): Remove code that builds a list of arguments and
6492         inserts implicit arguments into it.  Instead, just count how many
6493         implicit arguments there will be so we can determine the size of
6494         the ARGS array, and let initialize_argument_information do the work.
6495         (split_complex_values): Delete unused function.
6496
6497 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6498
6499         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6500
6501 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6502
6503         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6504         for arg pointer based indexed addressing.
6505
6506 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6507
6508         * config/ia64/ia64.h, config/ia64/ia64.md,
6509         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6510         spelling conventions.
6511
6512 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6513
6514         * config/m68k/m68k.c (split_di): New.
6515         * config/m68k/m68k-protos.h: Declare split_di.
6516         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6517           Improve predicate handling and split constant shifts.
6518
6519 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6520
6521         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6522         parameter for register bitfield operations, general predicates
6523         cleanup
6524
6525 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6526
6527         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6528         * config/m68k/linux-unwind.h: New file.
6529
6530 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6531
6532         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6533         config/i386/athlon.md, config/ia64/ia64.md,
6534         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6535         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6536         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6537         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6538         tree-vect-transform.c: Fix comment typos.
6539
6540 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6541
6542         * sched-deps.c (find_insn_list): Remove.
6543         * sched-int.h: Remove the prototype for find_insn_list.
6544
6545 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6546
6547         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6548         to linker.
6549         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6550         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6551         darwin_rs6000_override_options.
6552         (C_COMMON_OVERRIDE_OPTIONS): Expect
6553         darwin_macosx_version_min to be non-NULL always.
6554         (TARGET_C99_FUNCTIONS): Likewise.
6555         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6556         (DARWIN_MINVERSION_SPEC): New.
6557         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6558         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6559         to cc1*.
6560         (DARWIN_MINVERSION_SPEC): New.
6561         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6562         value.
6563         * config/darwin-c.c (darwin_cpp_builtins): Expect
6564         darwin_macosx_version_min to be non-NULL always.
6565
6566         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6567
6568 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6569
6570         * config/i386/i386.h (x86_use_xchgb): New.
6571         (TARGET_USE_XCHGB): New macro.
6572         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6573         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6574         Split after reload into bswaphi for shifts of 8.
6575         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6576         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6577         or when optimizing for size.
6578
6579 2007-02-16  Richard Guenther  <rguenther@suse.de>
6580             Christian Bruel  <christian.bruel@st.com>
6581
6582         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6583         DECLs but prefer SSA_NAMEs over DECLs.
6584
6585 2007-02-16  Richard Guenther  <rguenther@suse.de>
6586
6587         * tree-flow-inline.h (single_imm_use_p): Remove.
6588         (zero_imm_uses_p): Likewise.
6589         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6590         instead of single_imm_use_p.
6591         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6592         zero_imm_uses_p.
6593
6594 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6595
6596         PR other/27843
6597         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6598         nested double- and backquotes.
6599
6600 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6601
6602         PR middle-end/30391
6603         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6604         should be unreachable.
6605         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6606         For the time being redirect GIMPLE_MODIFY_STMT to the new
6607         (renamed) build_gimple_modify_stmt_stat.
6608         (build2_gimple_stat): Rename to...
6609         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6610         Always build a GIMPLE_MODIFY_STMT node.
6611         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6612         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6613         declarations.
6614
6615         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6616         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6617         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6618         expand_complex_div_wide): Likewise.
6619         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6620         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6621         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6622         * tree-ssa-loop-manip.c (create_iv): Likewise.
6623         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6624         abs_replacement): Likewise.
6625         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6626         realify_fake_stores): Likewise.
6627
6628         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6629         node rather than a GIMPLE_MODIFY_STMT node.
6630         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6631         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6632         Likewise.
6633         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6634         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6635         GIMPLE_MODIFY_STMT.
6636
6637 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6638
6639         PR middle-end/30433
6640         * fold-const.c (fold_comparison): Add back the
6641         folding of constant complex comparisions.
6642
6643 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6644
6645         PR middle-end/30729
6646         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6647         effects unknown to this function, return early.
6648
6649 2007-02-15  Ian Lance Taylor  <iant@google.com>
6650
6651         * lower-subreg.c (move_eh_region_note): New static function.
6652         (resolve_simple_move): Call it.
6653         (decompose_multiword_subregs): Track blocks for which we resolve a
6654         simple move which is also a control flow insn.  Pass them to
6655         find_many_sub_basic_blocks.
6656         (pass_lower_subreg): Add TODO_verify_flow.
6657         (pass_lower_subreg2): Likewise.
6658
6659 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6660             Brooks Moses  <brooks.moses@codesourcery.com>
6661             Lee Millward  <lee.millward@codesourcery.com>
6662
6663         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6664         (VL_EXP_CLASS_P): New.
6665         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6666         TREE_CODE_LENGTH.
6667         (TREE_OPERAND_CHECK_CODE): Likewise.
6668         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6669         (TREE_RTL_OPERAND_CHECK): Likewise.
6670         (tree_operand_check_failed): Make second parameter the whole tree
6671         instead of its code.  Fixed callers.
6672         (VL_EXP_CHECK): New.
6673         (TREE_OPERAND_LENGTH): New.
6674         (VL_EXP_OPERAND_LENGTH): New.
6675         (CALL_EXPR_FN): New.
6676         (CALL_EXPR_STATIC_CHAIN): New.
6677         (CALL_EXPR_ARGS): New.
6678         (CALL_EXPR_ARG): New.
6679         (call_expr_nargs): New.
6680         (CALL_EXPR_ARGP): New.
6681         (build_nt_call_list): Declare.
6682         (build_vl_exp_stat): Declare.
6683         (build_vl_exp): New.
6684         (build_call_list): Declare.
6685         (build_call_nary): Declare.
6686         (build_call_valist): Declare.
6687         (build_call_array): Declare.
6688         (call_expr_arg): Declare.
6689         (call_expr_argp): Declare.
6690         (call_expr_arglist): Declare.
6691         (fold_build_call_list): Declare.
6692         (fold_build_call_list_initializer): Declare.
6693         (fold_call_expr): Declare to replace fold_builtin.
6694         (fold_builtin_fputs): Update to agree with modified definition.
6695         (fold_builtin_strcpy): Likewise.
6696         (fold_builtin_strncpy): Likewise.
6697         (fold_builtin_memory_chk): Likewise.
6698         (fold_builtin_stxcpy_chk): Likewise.
6699         (fold_builtin_strncpy_chk): Likewise.
6700         (fold_builtin_next_arg): Likewise.
6701         (fold_build_call_expr): Declare.
6702         (fold_builtin_call_list): Declare.
6703         (fold_builtin_call_valist): Declare.
6704         (build_call_expr): Declare.
6705         (validate_arglist): Update to agree with modified definition.
6706         (tree_operand_length): New.
6707         (call_expr_arg_iterator): New.
6708         (init_call_expr_arg_iterator): New.
6709         (next_call_expr_arg): New.
6710         (first_call_expr_arg): New.
6711         (more_call_expr_args_p): New.
6712         (FOR_EACH_CALL_EXPR_ARG): New.
6713
6714         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6715         and tcc_gimple_stmt.
6716         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6717         than sizeof (char *).
6718         (tree_size): Likewise.  Add case for tcc_vl_exp.
6719         (tree_node_structure): Add case for tcc_vl_exp.
6720         (contains_placeholder_p): Likewise.
6721         (substitute_in_expr): Likewise.
6722         (substitute_placeholder_in_expr): Likewise.
6723         (stabilize_reference_1): Likewise.
6724         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6725         to diagnose breakage of this interface for constructing CALL_EXPRs.
6726         (build_nt): Add similar assertion here.
6727         (build_nt_call_list): New.
6728         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6729         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6730         TREE_CODE_LENGTH.
6731         (get_callee_fndecl): Use new CALL_EXPR accessors.
6732         (tree_operand_check_failed): Change parameters to pass entire node
6733         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6734         (process_call_operands): New.
6735         (build_vl_exp_stat): New.
6736         (build_call_list): New.
6737         (build_call_nary): New.
6738         (build_call_valist): New.
6739         (build_call_array): New.
6740         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6741         (call_expr_arglist): New.
6742
6743         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6744         tcc_vl_exp instead of a fixed-size tcc_expression.
6745
6746         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6747         accessors for CALL_EXPRs.
6748         (AGGR_INIT_EXPR): Likewise.
6749
6750 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6751             Brooks Moses  <brooks.moses@codesourcery.com>
6752             Lee Millward  <lee.millward@codesourcery.com>
6753
6754         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6755         (expand_builtin_nonlocal_goto): Change parameter to be entire
6756         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6757         (expand_builtin_prefetch): Likewise.
6758         (expand_builtin_classify_type): Likewise.
6759         (mathfn_built_in): Return NULL_TREE instead of 0.
6760         (expand_errno_check): Use new CALL_EXPR accessors.
6761         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6762         Return NULL_RTX instead of 0.
6763         (expand_builtin_mathfn_2): Likewise.
6764         (expand_builtin_mathfn_3): Likewise.
6765         (expand_builtin_interclass_mathfn): Likewise.
6766         (expand_builtin_sincos): Likewise.
6767         (expand_builtin_cexpi): Likewise.
6768         (expand_builtin_int_roundingfn): Likewise.
6769         (expand_builtin_int_roundingfn_2): Likewise.
6770         (expand_builtin_pow): Likewise.
6771         (expand_builtin_powi): Likewise.
6772         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6773         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6774         accessors and constructors.  Return NULL_RTX instead of 0.
6775         (expand_builtin_strstr): Likewise.
6776         (expand_builtin_strchr): Likewise.
6777         (expand_builtin_strrchr): Likewise.
6778         (expand_builtin_strpbrk): Likewise.
6779         (expand_builtin_memcpy): Likewise.
6780         (expand_builtin_mempcpy): Likewise.
6781         (expand_builtin_mempcpy_args): New.
6782         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6783         (expand_builtin_memmove_args): New.
6784         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6785         (expand_movstr): Likewise.
6786         (expand_builtin_strcpy): Likewise.
6787         (expand_builtin_strcpy_args): New.
6788         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6789         (expand_builtin_strncpy): Likewise.
6790         (expand_builtin_memset): Likewise.
6791         (expand_builtin_memset_args): New.
6792         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6793         (expand_builtin_memcmp): Likewise.
6794         (expand_builtin_strcmp): Likewise.
6795         (expand_builtin_strncmp): Likewise.
6796         (expand_builtin_strcat): Likewise.
6797         (expand_builtin_strncat): Likewise.
6798         (expand_builtin_strspn): Likewise.
6799         (expand_builtin_strcspn): Likewise.
6800         (expand_builtin_args_info): Likewise.
6801         (expand_builtin_va_start): Likewise.
6802         (gimplify_va_arg_expr): Likewise.
6803         (expand_builtin_va_end): Likewise.
6804         (expand_builtin_va_copy): Likewise.
6805         (expand_builtin_frame_address): Likewise.
6806         (expand_builtin_alloca): Likewise.
6807         (expand_builtin_bswap): Likewise.
6808         (expand_builtin_unop): Likewise.
6809         (expand_builtin_fputs): Likewise.
6810         (expand_builtin_expect): Likewise.
6811         (expand_builtin_fabs): Likewise.
6812         (expand_builtin_copysign): Likewise.
6813         (expand_builtin_printf): Likewise.
6814         (expand_builtin_fprintf): Likewise.
6815         (expand_builtin_sprintf): Likewise.
6816         (expand_builtin_init_trampoline): Likewise.
6817         (expand_builtin_signbit): Likewise.
6818         (expand_builtin_fork_or_exec): Likewise.
6819         (expand_builtin_sync_operation): Likewise.
6820         (expand_builtin_compare_and_swap): Likewise.
6821         (expand_builtin_lock_test_and_set): Likewise.
6822         (expand_builtin_lock_release): Likewise.
6823         (expand_builtin): Likewise.
6824         (builtin_mathfn_code): Likewise.
6825
6826         (fold_builtin_constant_p): Pass call arguments individually instead
6827         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6828         accessors and constructors.  Return NULL_TREE instead of 0.
6829         (fold_builtin_expect): Likewise.
6830         (fold_builtin_classify_type): Likewise.
6831         (fold_builtin_strlen): Likewise.
6832         (fold_builtin_nan): Likewise.
6833         (integer_valued_real_p): Likewise.
6834         (fold_trunc_transparent_mathfn): Likewise.
6835         (fold_fixed_mathfn): Likewise.
6836         (fold_builtin_cabs): Likewise.
6837         (fold_builtin_sqrt): Likewise.
6838         (fold_builtin_cbrt): Likewise.
6839         (fold_builtin_cos): Likewise.
6840         (fold_builtin_cosh): Likewise.
6841         (fold_builtin_tan): Likewise.
6842         (fold_builtin_sincos): Likewise.
6843         (fold_builtin_cexp): Likewise.
6844         (fold_builtin_trunc): Likewise.
6845         (fold_builtin_floor): Likewise.
6846         (fold_builtin_ceil): Likewise.
6847         (fold_builtin_round): Likewise.
6848         (fold_builtin_int_roundingfn): Likewise.
6849         (fold_builtin_bitop): Likewise.
6850         (fold_builtin_bswap): Likewise.
6851         (fold_builtin_logarithm): Likewise.
6852         (fold_builtin_hypot): Likewise.
6853         (fold_builtin_pow): Likewise.
6854         (fold_builtin_powi): Likewise.
6855         (fold_builtin_exponent): Likewise.
6856         (fold_builtin_memset): Likewise.
6857         (fold_builtin_bzero): Likewise.
6858         (fold_builtin_memory_op): Likewise.
6859         (fold_builtin_bcopy): Deleted; call site changed to invoke
6860         fold_builtin_memory_op directly.
6861         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6862         (fold_builtin_strncpy): Likewise.
6863         (fold_builtin_memcmp): Likewise.
6864         (fold_builtin_strcmp): Likewise.
6865         (fold_builtin_strncmp): Likewise.
6866         (fold_builtin_signbit): Likewise.
6867         (fold_builtin_copysign): Likewise.
6868         (fold_builtin_isascii): Likewise.
6869         (fold_builtin_toascii): Likewise.
6870         (fold_builtin_isdigit): Likewise.
6871         (fold_builtin_fabs): Likewise.
6872         (fold_builtin_abs): Likewise.
6873         (fold_builtin_fmin_fmax): Likewise.
6874         (fold_builtin_carg): Likewise.
6875         (fold_builtin_classify): Likewise.
6876         (fold_builtin_unordered_cmp): Likewise.
6877
6878         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6879         New functions split out from fold_builtin_1.
6880         (fold_builtin_n): New.
6881         (fold_builtin_varargs): New.
6882         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6883         instead.
6884         (fold_call_expr): New.
6885         (build_function_call_expr): Rewrite to use new helper function.
6886         (fold_builtin_call_list): New.
6887         (build_call_expr): New.
6888         (fold_builtin_call_valist): New.
6889         (rewrite_call_expr): New.
6890         (validate_arg): New.
6891         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6892         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6893         accessors.
6894
6895         (fold_builtin_strstr):  Pass call arguments individually instead
6896         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6897         accessors and constructors.  Return NULL_TREE instead of 0.
6898         (fold_builtin_strchr): Likewise.
6899         (fold_builtin_strrchr): Likewise.
6900         (fold_builtin_strpbrk): Likewise.
6901         (fold_builtin_strcat): Likewise.
6902         (fold_builtin_strncat): Likewise.
6903         (fold_builtin_strspn): Likewise.
6904         (fold_builtin_strcspn): Likewise.
6905         (fold_builtin_fputs): Likewise.
6906         (fold_builtin_next_arg): Likewise.
6907         (fold_builtin_sprintf): Likewise.
6908
6909         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6910         NULL_RTX instead of 0.
6911         (expand_builtin_memory_chk): Likewise.
6912         (maybe_emit_chk_warning): Likewise.
6913         (maybe_emit_sprintf_chk_warning): Likewise.
6914
6915         (fold_builtin_object_size): Pass call arguments individually instead
6916         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6917         accessors and constructors.  Return NULL_TREE instead of 0.
6918         (fold_builtin_memory_chk): Likewise.
6919         (fold_builtin_stxcpy_chk): Likewise.
6920         (fold_builtin_strncpy_chk): Likewise.
6921         (fold_builtin_strcat_chk): Likewise.
6922         (fold_builtin_strcat_chk): Likewise.
6923         (fold_builtin_strncat_chk): Likewise.
6924         (fold_builtin_sprintf_chk): Likewise.
6925         (fold_builtin_snprintf_chk): Likewise.
6926         (fold_builtin_printf): Likewise.
6927         (fold_builtin_vprintf): Likewise.
6928
6929         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6930         constructors.
6931         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6932         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6933         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6934         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6935         (fold_unary): Likewise.
6936         (fold_binary): Likewise.
6937         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6938         ternary expressions.
6939         (fold): Add logic for tcc_vl_exp.
6940         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6941         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6942         (fold_build3_stat): Add assertion to flag broken interface for
6943         constructing CALL_EXPRs.
6944         (fold_build_call_list): New.
6945         (fold_build_call_list_initializer): New.
6946         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6947         constructors.
6948         (fold_strip_sign_ops): Likewise.
6949
6950 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6951             Brooks Moses  <brooks.moses@codesourcery.com>
6952             Lee Millward  <lee.millward@codesourcery.com>
6953
6954         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6955         accessors and dump arguments explicitly.
6956
6957         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6958         TREE_CODE_LENGTH.
6959         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6960         explicitly.
6961         (print_call_name): Use new CALL_EXPR accessors.
6962
6963         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6964         CALL_EXPR arguments explicitly instead of as a list.  Use
6965         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6966
6967         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6968         (vrp_visit_stmt): Likewise.
6969
6970         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6971         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6972         TREE_CODE_LENGTH.
6973         (force_move_till_expr): Likewise.
6974
6975         * targhooks.c (default_external_stack_protect_fail): Use
6976         build_call_expr instead of build_function_call_expr.
6977         (default_hidden_stack_protect_fail): Likewise.
6978
6979         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6980         build the call.
6981
6982         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6983         and walk arguments explicitly.
6984
6985         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6986         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6987         (expand_simple_operations): Likewise.
6988         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6989
6990         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6991         of TREE_CODE_LENGTH.
6992         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6993
6994         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6995         instead of TREE_CODE_LENGTH.
6996
6997         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6998         (tree_ic_transform): Likewise.
6999         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7000         parameter instead of arglist.  Fix callers.
7001         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7002         (tree_stringops_transform): Likewise.
7003         (tree_indirect_call_to_profile): Likewise.
7004         (tree_stringops_values_to_profile): Likewise.
7005
7006         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7007         (eliminate_tail_call): Likewise.
7008
7009         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7010
7011         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7012         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7013         operands.
7014         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7015
7016         * omp-low.c (build_omp_barrier): Use build_call_expr.
7017         (lower_rec_input_clauses): Likewise.
7018         (lower_reduction_clauses): Likewise.
7019         (expand_parallel_call): Likewise.
7020         (maybe_catch_exception): Likewise.
7021         (expand_omp_for_generic): Likewise.
7022         (expand_omp_for_static_nochunk): Likewise.
7023         (expand_omp_sections): Likewise.
7024         (lower_omp_single_simple): Likewise.
7025         (lower_omp_single_copy): Likewise.
7026         (lower_omp_master): Likewise.
7027         (lower_omp_ordered): Likewise.
7028         (lower_omp_critical): Likewise.
7029
7030         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7031         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7032
7033         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7034         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7035         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7036
7037         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7038         and generalize to handle any number of operands.
7039         (chrec_contains_undetermined): Likewise.
7040         (tree_contains_chrecs): Likewise.
7041         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7042
7043         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7044
7045         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7046         fold_call_expr instead of fold_builtin.
7047         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7048         match declarations there.
7049         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7050         updates.
7051
7052         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7053         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7054
7055         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7056         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7057
7058         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7059         accessors.
7060
7061         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7062         (execute_cse_sincos): Use new CALL_EXPR accessors.
7063
7064         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7065
7066         * gimple-low.c (lower_function_body): Use build_call_expr.
7067         (lower_builtin_setjmp): Likewise.
7068
7069         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7070         (set_storage_via_libcall): Likewise.
7071         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7072         instead of TREE_CODE_LENGTH.
7073         (expand_expr_real_1): Use new CALL_EXPR accessors.
7074
7075         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7076         generalize to handle any number of operands.
7077         (TB_parent_eq): Likewise.
7078
7079         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7080         (strip_builtin_expect): Likewise.
7081
7082         * function.c (gimplify_parameters): Use build_call_expr.
7083
7084         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7085         instead of TREE_CODE_LENGTH.
7086
7087         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7088         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7089
7090         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7091         iterators.
7092
7093         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7094         (gimplify_decl_expr): Likewise.
7095         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7096         Use new CALL_EXPR iterators.
7097         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7098         (gimplify_modify_expr_to_memset): Likewise.
7099         (gimplify_variable_sized_compare): Likewise.
7100         (gimplify_omp_atomic_fetch_op): Likewise.
7101         (gimplify_omp_atomic_pipeline): Likewise.
7102         (gimplify_omp_atomic_mutex): Likewise.
7103         (gimplify_function_tree): Likewise.
7104
7105         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7106         (call_expr_flags): Likewise.
7107         (expand_call): Likewise.
7108
7109         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7110         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7111         accessors.
7112
7113         * coverage.c (create_coverage): Use build_call_expr.
7114
7115         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7116         (temp_call_expr_obstack): New.
7117         (pool_copy_list): Delete.
7118         (temp_copy_call_expr): New.
7119         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7120         CALL_EXPR accessors.  Get rid of special goo for copying argument
7121         lists and use temp_copy_call_expr instead.
7122         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7123         CALL_EXPR accessors.
7124         (create_expression_by_pieces): Likewise.  Use build_call_array
7125         to construct the result instead of fold_build3.
7126         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7127         dealing with argument lists.
7128         (init_pre): Remove references to expression_node_pool and
7129         list_node_pool.  Init temp_call_expr_obstack instead.
7130         (fini_pre): Remove references to expression_node_pool and
7131         list_node_pool.
7132
7133         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7134         and walk arguments explicitly instead of as a list.
7135
7136         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7137         (mx_register_decls): Likewise.
7138         (mudflap_register_call): Likewise.
7139         (mudflap_finish_file): Likewise.
7140
7141         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7142         (ipa_callsite_compute_param): Likewise.
7143
7144         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7145         accessors and constructor.
7146
7147         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7148         accessors and constructor.
7149         (convert_tramp_reference): Likewise.
7150         (convert_call_expr): Likewise.
7151         (finalize_nesting_tree_1): Likewise.
7152
7153         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7154         accessors.
7155
7156         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7157
7158         * tree-inline.c (initialize_inlined_parameters): Pass entire
7159         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7160         accessors.
7161         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7162         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7163
7164         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7165         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7166         (vectorizable_reduction): Likewise.
7167         (vectorizable_call): Use new CALL_EXPR iterators.
7168         (vectorizable_conversion): Use build_call_expr.
7169         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7170         (vect_gen_widened_results_half): Use build_call_expr.
7171         (vect_setup_realignment): Likewise.
7172         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7173
7174         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7175         (pass_through_call): Likewise.
7176         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7177         fold_builtin.
7178
7179         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7180         (tree_gen_pow2_profiler): Likewise.
7181         (tree_gen_one_value_profiler): Likewise.
7182         (tree_gen_ic_func_profiler): Likewise.
7183         (tree_gen_average_profiler): Likewise.
7184         (tree_gen_ior_profiler): Likewise.
7185
7186         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7187         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7188         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7189
7190         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7191         of TREE_CODE_LENGTH.
7192
7193         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7194         of TREE_CODE_LENGTH.
7195
7196         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7197         constructor.
7198         (convert_to_integer): Likewise.
7199
7200         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7201         accessors.
7202
7203 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7204             Brooks Moses  <brooks.moses@codesourcery.com>
7205             Lee Millward  <lee.millward@codesourcery.com>
7206
7207         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7208         accessors.
7209         * config/frv/frv.c (frv_expand_builtin): Likewise.
7210         * config/s390/s390.c (s390_expand_builtin): Likewise.
7211
7212         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7213         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7214
7215         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7216         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7217         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7218         (ix86_expand_store_builtin): Likewise.
7219         (ix86_expand_unop_builtin): Likewise.
7220         (ix86_expand_unop1_builtin): Likewise.
7221         (ix86_expand_sse_compare): Likewise.
7222         (ix86_expand_sse_comi): Likewise.
7223         (ix86_expand_vec_init_builtin): Likewise.
7224         (ix86_expand_vec_ext_builtin): Likewise.
7225         (ix86_expand_vec_set_builtin): Likewise.
7226         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7227
7228         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7229         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7230
7231         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7232         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7233         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7234
7235         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7236         build_call_expr.
7237         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7238         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7239         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7240         (altivec_expand_abs_builtin): Likewise.
7241         (rs6000_expand_binop_builtin): Likewise.
7242         (altivec_expand_predicate_builtin): Likewise.
7243         (altivec_expand_lv_builtin): Likewise.
7244         (spe_expand_stv_builtin): Likewise.
7245         (altivec_expand_stv_builtin): Likewise.
7246         (rs6000_expand_ternop_builtin): Likewise.
7247         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7248         (altivec_expand_st_builtin): Likewise.
7249         (altivec_expand_dst_builtin): Likewise.
7250         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7251         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7252         (altivec_expand_vec_set_builtin): Likewise.
7253         (altivec_expand_vec_ext_builtin): Likewise.
7254         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7255         (spe_expand_builtin): Likewise.
7256         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7257         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7258         (spe_expand_evsel_builtin): Likewise.
7259         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7260         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7261
7262         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7263         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7264         (arm_expand_unop_builtin): Likewise.
7265         (arm_expand_builtin): Use new CALL_EXPR accessors.
7266
7267         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7268         accessors.
7269
7270         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7271         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7272         (bfin_expand_unop_builtin): Likewise.
7273         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7274
7275 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7276             Brooks Moses  <brooks.moses@codesourcery.com>
7277             Lee Millward  <lee.millward@codesourcery.com>
7278
7279         * c-semantics.c (build_stmt): Add internal diagnostic check.
7280
7281         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7282         accessors.  Print arguments explicitly instead of as a list.
7283
7284         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7285
7286         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7287         (c_finish_omp_flish): Likewise.
7288
7289         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7290         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7291         instead of TREE_CODE_LENGTH.
7292         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7293         (c_warn_unused_result): Likewise.
7294
7295 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7296
7297         PR c/26494
7298         * doc/invoke.texi (Warning Options): Remove
7299         -Werror-implicit-function-declaration.
7300         (Wimplicit-function-declaration): Update description.
7301         * opts.c (common_handle_option): Move handling of -Werror=* to...
7302         (enable_warning_as_error): ...here.
7303         * opts.h (enable_warning_as_error): Declare.
7304         * c-decl.c (implicit_decl_warning): Unless
7305         -Wno-implicit-function-declaration is given, emit a pedwarn if
7306         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7307         * c.opt (Wimplicit-function-declaration): Replace
7308         mesg_implicit_function_declaration with
7309         warn_implicit_function_declaration.
7310         * c-opts.c (c_common_handle_option):
7311         -Werror-implicit-function-declaration is exactly equal as
7312         -Werror=implicit-function-declaration.
7313         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7314         warn_implicit_function_declaration.
7315         (c_common_post_options): -Wimplict-function-declaration is enabled
7316         by default by -std=c99, otherwise is disabled by default.
7317         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7318
7319 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7320
7321         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7322         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7323         former is ignored but not the latter.
7324
7325 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7326
7327         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7328         is made and the reference doesn't use the alias set of its type,
7329         do not create the temporary using that type.
7330
7331 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7332
7333         * jump.c: Remove prototypes for delete_computation and
7334         delete_prior_computation.
7335
7336 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7337
7338         * jump.c (get_label_after): Delete.
7339         (get_label_before, delete_computation, delete_jump,
7340         delete_prior_computation, follow_jumps): Move...
7341         * reorg.c (delete_computation, delete_prior_computation): ... here...
7342         (get_label_before, delete_jump): ... making these static ...
7343         (follow_jumps): ... and simplifying this since it only runs after
7344         reload.
7345         * rtl.h (get_label_after, get_label_before, delete_jump,
7346         follow_jumps): Delete prototypes.
7347
7348 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7349
7350         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7351
7352 2007-02-15  Nick Clifton  <nickc@redhat.com>
7353
7354         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7355         order to prevent it from being munged by the target.
7356
7357 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7358
7359         * config/i386/i386.md: Remove misleading comment.
7360
7361 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7362
7363         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7364         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7365         invalid patterns.
7366
7367 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7368
7369         * tree-sra.c (instantiate_missing_elements): Canonicalize
7370         bit-field types.
7371         (sra_build_assignment): New.
7372         (generate_copy_inout, generate_element_copy,
7373         generate_element_zero, generate_one_element_init): Use it.
7374
7375 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7376
7377         * tree-sra.c (instantiate_missing_elements): Canonicalize
7378         bit-field types.
7379         (sra_build_assignment): New.
7380         (generate_copy_inout, generate_element_copy,
7381         generate_element_zero, generate_one_element_init): Use it.
7382
7383 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7384
7385         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7386         limbo die nodes.
7387
7388 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7389
7390         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7391         types as aggregates not scalars.
7392         * function.c (assign_stack_temp_for_type): Likewise.
7393
7394 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7395             Zdenek Dvorak  <dvorakz@suse.cz>
7396
7397         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7398         name.
7399
7400 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7401
7402         * passes.c (next_pass_1): Clear the next field of the copied
7403         pass structure.
7404
7405 2007-02-14  Richard Henderson  <rth@redhat.com>
7406
7407         * tree-sra.c (early_sra): New.
7408         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7409         (tree_sra_early, pass_sra_early): New.
7410         * tree-pass.h (pass_sra_early): Declare.
7411         * passes.c (init_optimization_passes): Use it.
7412
7413 2007-02-14  Richard Guenther  <rguenther@suse.de>
7414
7415         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7416
7417 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7418
7419          PR tree-optimization/30771
7420         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7421         also phi nodes.
7422         (vect_analyze_operations): Induction phis can now be marked as
7423         used_in_loop.
7424         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7425         Update documentation accordingly.
7426
7427 2007-02-14  Nick Clifton  <nickc@redhat.com>
7428
7429         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7430         most 3 arguments are supported.
7431         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7432
7433 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7434
7435         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7436         Ensure dst->current is valid.
7437
7438 2007-02-13  Paul Brook  <paul@codesourcery.com>
7439
7440         * config.gcc: Add arm*-*-uclinux-*eabi.
7441         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7442         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7443         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7444         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7445         (LINK_SPEC): Define.
7446         (LIB_SPEC): Define.
7447         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7448         register.
7449         * config/arm/uclinux-eabi.h: New file.
7450         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7451         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7452         based targets.
7453
7454 2007-02-13  Ian Lance Taylor  <iant@google.com>
7455
7456         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7457         * flags.h (warn_strict_overflow): Declare.
7458         (enum warn_strict_overflow_code): Define.
7459         (issue_strict_overflow_warning): New static inline function.
7460         * opts.c (warn_strict_overflow): New variable.
7461         (common_handle_option): Handle OPT_Wstrict_overflow and
7462         OPT_Wstrict_overflow_.
7463         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7464         OPT_Wall.
7465         * fold-const.c: Include intl.h.
7466         (fold_deferring_overflow_warnings): New static variable.
7467         (fold_deferred_overflow_warning): New static variable.
7468         (fold_deferred_overflow_code): New static variable.
7469         (fold_defer_overflow_warnings): New function.
7470         (fold_undefer_overflow_warnings): New function.
7471         (fold_undefer_and_ignore_overflow_warnings): New function.
7472         (fold_deferring_overflow_warnings_p): New function.
7473         (fold_overflow_warning): New static function.
7474         (make_range): Add strict_overflow_p parameter.  Change all
7475         callers.
7476         (extract_muldiv, extract_muldiv_1): Likewise.
7477         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7478         tree_expr_nonnegative_p.
7479         (fold_negate_expr): Call fold_overflow_warning.
7480         (fold_range_test): Likewise.
7481         (fold_comparison): Likewise.
7482         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7483         instead of tree_expr_nonnegative_p.
7484         (tree_expr_nonnegative_warnv_p): Rename from
7485         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7486         (tree_expr_nonnegative_p): New function.
7487         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7488         strict_overflow_p parameter.
7489         (tree_expr_nonzero_p): New function.
7490         * passes.c (verify_interpass_invariants): New static function.
7491         (execute_one_pass): Call it.
7492         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7493         warnings.
7494         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7495         (estimate_numbers_of_iterations): Likewise.
7496         (scev_probably_wraps_p): Likewise.
7497         * tree-ssa-ccp.c: Include "toplev.h".
7498         (evaluate_stmt): Defer fold overflow warnings until we know we are
7499         going to optimize.
7500         (struct fold_stmt_r_data): Add stmt field.
7501         (fold_stmt_r): Defer fold overflow warnings until we know we
7502         optimized.
7503         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7504         (fold_stmt_inplace): Likewise.
7505         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7506         (cleanup_control_expr_graph): Defer fold overflow warnings until
7507         we know we are going to optimize.
7508         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7509         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7510         Likewise.
7511         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7512         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7513         * tree-ssa-loop-manip.c (create_iv): Likewise.
7514         * c-typeck.c (build_conditional_expr): Likewise.
7515         (build_binary_op): Likewise.
7516         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7517         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7518         (extract_range_from_unary_expr): Likewise.
7519         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7520         assuming that signed overflow does not occur.
7521         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7522         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7523         (fold_defer_overflow_warnings): Declare.
7524         (fold_undefer_overflow_warnings): Declare.
7525         (fold_undefer_and_ignore_overflow_warnings): Declare.
7526         (fold_deferring_overflow_warnings_p): Declare.
7527         (tree_expr_nonzero_warnv_p): Declare.
7528         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7529         of warning options.
7530         (Warning Options): Document -Wstrict-overflow.
7531         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7532         (tree-ssa-ccp.o): Likewise.
7533         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7534         (fold-const.o): Depend on intl.h.
7535
7536 2007-02-13  Ian Lance Taylor  <iant@google.com>
7537
7538         PR middle-end/30751
7539         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7540         addresses.
7541
7542 2007-02-13  Stuart Hastings  <stuart@apple.com>
7543
7544         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7545
7546 2007-02-13  Richard Henderson  <rth@redhat.com>
7547
7548         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7549         handled_component_p before looking for the indirect_ref.
7550
7551 2007-02-13  Richard Henderson  <rth@redhat.com>
7552
7553         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7554         remove flags clobber.
7555         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7556         (bswaphi_lowpart): New.
7557         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7558         remove TARGET_BSWAP test.  Delete expander of the same name.
7559
7560         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7561         (expand_unop): Use them.
7562
7563 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7564
7565         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7566         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7567         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7568         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7569         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7570         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7571         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7572         assembler dialect choice from asm templates.
7573
7574 2007-02-12  Richard Henderson  <rth@redhat.com>
7575
7576         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7577         (fixuns_trunc<SSEMODEF>si2): Use it.
7578         * config/i386/sse.md (vec_setv4sf_0): Export.
7579         * config/i386/i386.c (ix86_build_const_vector): Export.
7580         (ix86_split_convert_uns_si_sse): Rename from
7581         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7582         * config/i386/i386-protos.h: Update.
7583
7584 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7585
7586         PR c/29521
7587         * c-typeck.c (c_finish_return): Improve warning message.
7588
7589 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7590
7591         * alias.c (find_symbolic_term): Delete unused function.
7592
7593 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7594
7595         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7596         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7597         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7598
7599 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7600
7601         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7602         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7603         the function, temporarily point the debug interface to the null one.
7604
7605 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7606
7607         * dwarf2out.c (round_up_to_align): New static function.
7608         (field_byte_offset): Use it to round the offset.
7609
7610 2007-02-12  Richard Henderson  <rth@redhat.com>
7611
7612         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7613         (inswl_const): Export.
7614
7615 2007-02-12  Richard Henderson  <rth@redhat.com>
7616
7617         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7618         result mode of the libcall, convert back to outmode.
7619
7620 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7621
7622         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7623         (bswapdi2): New define_expand to implement 32-bit implementation.
7624
7625 2007-02-12  Nick Clifton  <nickc@redhat.com>
7626
7627         * doc/invoke.texi (Overall Options): Document --help=.
7628         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7629         (cc1_options): Pass --help= on to cc1.
7630         (display_help): Add description of --help=.
7631         (process_command): Add code to handle --help=.  Allow translated
7632         --help and --target-help switches to be passed on to compiler
7633         sub-process.
7634         (main): Remove unused if statement.
7635         * opts.c (columns): Remove.
7636         (LEFT_COLUMN): Define.
7637         (wrap_help): Add columns argument.
7638         (print_filtered_help): Change parameters to be an include bitmask,
7639         an exclude bitmask, an any bitmask and the column width.  Move the
7640         code to display the params list here.  Add code to display the
7641         status of options rather than their descriptions if the quiet flag
7642         is not active.
7643         (print_specific_help): Change parameters to be an include bitmask,
7644         an exclude bitmask and an any bitmask.  Move code to look up the
7645         column width here.  Decide upon the title for an options listing.
7646         (common_handle_options): Add code to handle --help=.  Adapt code
7647         for --help and --target-help to use the revised form of the
7648         print_specific_help function.
7649         (print_help): Delete.
7650         (print_param_help): Delete.
7651         (print_switch): Delete.
7652         * opts.h (cl_lang_count): Add prototype.
7653         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7654         CL_MAX_OPTION_CLASS): New defines.
7655         * optc-gen.awk: Add construction of cl_lang_count.
7656         * c.opt: Add Warning attribute to warning options and Optimization
7657         attribute to optimization options.
7658         * common.opt: Likewise.
7659         Add --help=.
7660         Add -fhelp and -ftarget-help as aliases for the transformed --help
7661         and --target-help options.
7662         * opt-functions.awk: Add code to handle Warning and Optimization
7663         attributes.
7664
7665 2007-02-12  Richard Henderson  <rth@redhat.com>
7666
7667         * config/alpha/constraints.md: New file.
7668         * config/alpha/alpha.c: Include tm-constrs.h.
7669         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7670         alpha_extra_constraint): Remove.
7671         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7672         * config/alpha/alpha-protos.h: Update.
7673         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7674         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7675         (EXTRA_CONSTRAINT): Remove.
7676         * config/alpha/alpha.md: Include constraints.md.
7677         (adddi splitter): Use satisfies_constraint_*.
7678         * config/alpha/predicates.md (add_operand): Likewise.
7679         (sext_add_operand, addition_operation): Likewise.
7680
7681 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7682
7683         PR tree-optimization/29145
7684         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7685         in our handling of restrict qualified pointers.
7686
7687 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7688
7689         PR middle-end/7651
7690         * doc/invoke.texi (Wunused-value): Update description.
7691         (Wextra): Delete item.
7692         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7693         value of Wunused-value.
7694         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7695         (c_finish_stmt_expr): Don't check extra_warnings.
7696         (emit_side_effect_warnings): The caller is responsible to check
7697         warn_unused_value.
7698
7699 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7700             Matt Thomas  <matt@3am-software.com>
7701
7702         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7703
7704 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7705
7706         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7707         comparisons of POPCOUNT against zero.
7708         (simplify_const_relational_operation): Likewise.
7709
7710 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7711
7712         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7713
7714 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7715
7716         * dwarf2out.c (root_type): Delete unused function.
7717
7718 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7719
7720         * genattrtab.c (contained_in_p): Delete unused function.
7721         (write_expr_attr_cache): Likewise.
7722
7723 2007-02-11  Jan Hubicka  <jh@suse.cz>
7724
7725         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7726         previous patch.
7727
7728 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7729
7730         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7731         to add the REG_EQ* note.
7732         * see.c (see_merge_one_use_extension): Likewise.
7733         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7734         turn REG_EQUAL notes into REG_EQUIV notes if the target
7735         register may have more than one set.
7736         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7737         * gcse.c (try_replace_reg): Likewise.
7738         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7739         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7740         more than one REG_EQUIV note.
7741         * reload1.c (gen_reload): Use set_unique_reg_note.
7742
7743 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7744
7745         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7746         (ix86_builtin_conversion): New function.
7747
7748 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7749
7750         PR target/29487
7751         * tree.h (DECL_REPLACEABLE_P): New macro.
7752         * except.c (set_nothrow_function_flags): Likewise.
7753
7754 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7755             Ira Rosen  <irar@il.ibm.com>
7756             Dorit Nuzman  <dorit@il.ibm.com>
7757
7758         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7759         * targhooks.c (default_builtin_vectorized_conversion): New.
7760         * targhooks.h (default_builtin_vectorized_function): New declaration.
7761         * target.h (struct vectorize): Add builtin_conversion field.
7762         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7763         stmt_vec_info_type value.
7764         (vectorizable_conversion): New declaration.
7765         * tree-vect-analyze.c (vect_analyze_operations): Add
7766         vectorizable_conversion call.
7767         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7768         * tree-vect-transform.c (vectorizable_conversion): New function.
7769         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7770         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7771         mode.
7772         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7773         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7774         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7775         or ALTIVEC_BUILTIN_VCFSX.
7776
7777 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7778
7779         PR target/30634
7780         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7781         CONST_DOUBLE and operand 0 is a hard register.
7782         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7783         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7784         is a hard floating-point register.
7785
7786 2007-02-10  Richard Henderson  <rth@redhat.com>
7787             Jakub Jelinek  <jakub@redhat.com>
7788             Alexandre Oliva  <aoliva@redhat.com>
7789
7790         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7791         * builtin-types.def (BT_WORD): Make unsigned.
7792         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7793         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7794         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7795         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7796         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7797         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7798         emulated tls.
7799         * expr.c (emutls_var_address): New.
7800         (expand_expr_real_1): Expand emulated tls.
7801         (expand_expr_addr_expr_1): Likewise.
7802         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7803         * output.h (emutls_finish): Declare.
7804         * toplev.c (compile_file): Call it.
7805         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7806         address before wrapping in CONST.
7807         * varasm.c (emutls_htab, emutls_object_type): New.
7808         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7809         (get_emutls_object_name, get_emutls_object_type): New.
7810         (get_emutls_init_templ_addr, emutls_decl): New.
7811         (emutls_common_1, emutls_finish): New.
7812         (assemble_variable): When emulating tls, swap decls; generate
7813         constructor for the emutls objects.
7814         (do_assemble_alias): When emulating tls, swap decl and target name.
7815         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7816         for emulated tls.
7817         * varpool.c (decide_is_variable_needed): Look at force_output.
7818         Recurse for emulated tls.
7819         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7820         with decide_is_variable_needed.
7821         * emutls.c: New file.
7822         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7823         tls_object for real tls.
7824
7825 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7826
7827         PR rtl-optimization/29599
7828         * reload1.c (eliminate_regs_in_insn): Take the destination
7829         mode into account when computing the offset.
7830
7831 2007-02-09  Stuart Hastings  <stuart@apple.com>
7832             Richard Henderson  <rth@redhat.com>
7833
7834         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7835         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7836         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7837         fixuns_truncdfhi2): New.
7838         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7839         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7840         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7841         (floatunssidf2): Allow nonimmediate source.
7842         * config/i386/sse.md (movdi_to_sse): New.
7843         (vec_concatv2di): Drop '*'.
7844         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7845         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7846         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7847         New.
7848         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7849         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7850         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7851         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7852         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7853         ix86_build_const_vector.
7854         (x86_emit_floatuns): Rewrite.
7855
7856 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7857
7858         * genautomata.c (longest_path_length): Delete unused function.
7859         (struct state): Delete unused longest_path_length.
7860         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7861         (get_free_state): Delete unused.
7862
7863 2007-02-09  Jan Hubicka  <jh@suse.cz>
7864
7865         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7866         * doc/invoke.texi (inline-unit-growth): Update default value.
7867
7868         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7869         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7870         (rebuild_cgraph_edges): Likewise.
7871         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7872         (dump_cgraph_node): Dump frequencies.
7873         (cgraph_clone_edge): Add frequency scales.
7874         (cgraph_clone_node): Add freuqnecy.
7875         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7876         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7877         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7878         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7879         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7880         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7881         (save_inline_function_body): Likewise.
7882         * ipa-inline.c: inluce rtl.h
7883         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7884         (cgraph_edge_badness): Use frequencies.
7885         (cgraph_decide_recursive_inlining): Update clonning.
7886         (cgraph_decide_inlining_of_small_function): Dump frequency.
7887         * predict.c (estimate_bb_frequencies): Export.
7888         * predict.h (estimate_bb_frequencies): Declare.
7889         * tree-inline.c (copy_bb): Watch overflows.
7890         (expand_call_inline): Update call of cgraph_create_edge.
7891         (optimize_inline_calls): Use TODO flags to update frequnecies.
7892         * passes.h: Include predict.h
7893         (init_optimization_passes): Move profile ahead.
7894         (execute_function_todo): Handle TODO_rebuild_frequencies.
7895
7896 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7897
7898         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7899         the insbl or inswl pattern into a register.
7900
7901 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7902
7903         * config/ia64/ia64.md (bswapdi2): New define_insn.
7904
7905 2007-02-09  Richard Henderson  <rth@redhat.com>
7906
7907         * config/i386/constraints.md (Ym): New constraint.
7908         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7909         (movdi_1_rex64): Split sse and xmm general register moves from
7910         memory move alternatives.  Use conditional register constraints.
7911         (movsf_1, movdf_integer): Likewise.
7912         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7913         (movdf_integer_rex64): New.
7914         (pushsf_rex64): Fix output constraints.
7915         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7916         (sse2_stored): Likewise.
7917         (sse2_storeq_rex64): New.
7918         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7919         amd and not generic.
7920         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7921         for optimize_size.  Remove SF/DFmode hack.
7922
7923 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7924
7925         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7926         (bit_SSE4a): New.
7927
7928 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7929             Richard Sandiford  <richard@codesourcery.com>
7930
7931         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7932         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7933         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7934         m68k/t-mlib to tmake_file.
7935         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7936         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7937         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7938         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7939         variable is not empty, add t-$m68k_arch_family to tmake_file.
7940         Add t-mlibs to tmake_file.
7941         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7942         * config/m68k/t-cf: New file.
7943         * config/m68k/t-m68k: Likewise.
7944         * config/m68k/t-mlibs: Likewise.
7945         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7946         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7947         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7948         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7949         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7950         Delete.
7951         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7952         (INSTALL_LIBGCC): Delete.
7953         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7954         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7955         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7956         (M68K_MLIB_CPU): Define.
7957         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7958         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7959         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7960
7961 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7962             Richard Guenther  <rguenther@suse.de>
7963
7964         PR middle-end/23361
7965         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7966         against INT_MIN/INT_MAX.
7967         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7968         file if a loop is removed.
7969
7970 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7971
7972         * calls.c (store_one_arg): Pass correct alignment to
7973         emit_push_insn for non-BLKmode values.
7974         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7975         unaligned stack slot via a suitably aligned slot.
7976
7977 2007-02-08  DJ Delorie  <dj@redhat.com>
7978
7979         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7980         warnings.
7981         (legal_subregs): Use unsigned char, make const.
7982         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7983
7984 2007-02-08  Paul Brook  <paul@codesourcery.com>
7985
7986         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7987         special interworking needed.
7988
7989 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7990
7991         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7992         conditional to __SSE2__.
7993         (Entries below should have been added to first ChangeLog
7994         entry for amdfam10 dated 2007-02-05)
7995         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7996         defined.
7997         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7998         defined.
7999         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8000         defined.
8001
8002 2007-02-08  DJ Delorie  <dj@redhat.com>
8003
8004         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8005         * config/m32c/m32c.c (legal_subregs): New.
8006         (m32c_illegal_subreg_p): New.
8007         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8008         unsupported subregs of hard regs.
8009
8010 2007-02-08  Jan Hubicka  <jh@suse.cz>
8011
8012         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8013         the same one; always update histograms.
8014
8015 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8016
8017         * passes.c (init_optimization_passes): Tidy comment.
8018
8019 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8020
8021         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8022         strip zero_extend, bswap and rotates from POCOUNT's argument.
8023         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8024         zero_extend and rotates from PARITY's argument.
8025         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8026         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8027         of an integer constant at compile-time.
8028
8029 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8030
8031         PR 30562
8032         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8033         Update all users.
8034         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8035         users.
8036         (init_alias_info):
8037         * tree-ssa-live.c (remove_unused_locals): Do not remove
8038         TREE_ADDRESSABLE variables.
8039         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8040         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8041         FOR_CLOBBER.  Update all users.
8042         If VAR has an associated alias set, add a virtual operand for
8043         it if no alias is found to conflict with the memory reference.
8044
8045 2007-02-07  Jan Hubicka  <jh@suse.cz>
8046             Robert Kidd <rkidd@crhc.uiuc.edu>
8047
8048         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8049
8050 2007-02-07  Ian Lance Taylor  <iant@google.com>
8051
8052         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8053
8054 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8055
8056         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8057         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8058         tablejumpdi, movsi_to_cr_one): Remove constraints from
8059         define_expand's match_operands.
8060
8061 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8062
8063         * global.c (compute_regsets): Move declatation of "i" inside of
8064         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8065
8066 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8067
8068         PR c++/30703
8069         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8070         of INDIRECT_REF <RESULT_DECL>.
8071
8072         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8073
8074 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8075             Kaz Kojima  <kkojima@gcc.gnu.org>
8076
8077         PR target/29746
8078         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8079         properly.
8080         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8081
8082 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8083
8084         * doc/loop.texi: Document possibility not to perform disambiguation
8085         of loops with multiple latches.
8086         * cfgloopmanip.c (alp_enum_p): Removed.
8087         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8088         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8089         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8090         the new forwarder block.
8091         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8092         Handle the case latch is NULL.
8093         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8094         when marking loop exits.
8095         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8096         be modified.
8097         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8098         disambiguate_loops_with_multiple_latches.
8099         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8100         before fix_loop_structure.
8101         * cfgloop.c: Include pointer-set.h and output.h.
8102         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8103         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8104         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8105         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8106         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8107         disambiguate_multiple_latches, get_loop_body_with_size,
8108         disambiguate_loops_with_multiple_latches): New functions.
8109         (flow_loop_dump): Dump multiple latch edges.
8110         (flow_loop_nodes_find): Handle loops with multiple latches.
8111         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8112         (glb_enum_p): Modified.
8113         (get_loop_body): Use get_loop_body_with_size.
8114         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8115         (AVOID_CFG_MODIFICATIONS): New constant.
8116         (disambiguate_loops_with_multiple_latches, add_loop,
8117         get_loop_body_with_size): Declare.
8118         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8119
8120 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8121
8122         PR inline-asm/28686
8123         * global.c (compute_regsets): New function.
8124         (global_alloc): Refactored ELIMINABLE_REGSET
8125         and NO_GLOBAL_ALLOC_REGS computation out.
8126         (rest_of_handle_global_alloc): Call compute_regsets()
8127         for non-optimizing case.
8128
8129 2007-02-06  Richard Henderson  <rth@redhat.com>
8130
8131         * config/i386/constraints.md (Y2): Rename from Y.
8132         (Yi): New constraint.
8133         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8134         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8135         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8136         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8137         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8138         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8139         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8140         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8141         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8142         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8143         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8144         vec_extractv2si_1): Change Y constraints to Y2.
8145         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8146         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8147         Change Y constraints to Y2.
8148         (sse2_loadld): Change Y constraints to x.
8149
8150 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8151
8152         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8153         (parity<mode>2): New define_expand using rs6000_emit_parity.
8154         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8155         rs6000_emit_parity): New functions.
8156         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8157         rs6000_emit_parity): Prototype here.
8158
8159 2007-02-06  Ian Lance Taylor  <iant@google.com>
8160
8161         * lower-subreg.c (simple_move_operand): Reject CONST.
8162         (resolve_clobber): Call validate_change rather than directly
8163         assigning to XEXP (pat, 0).
8164
8165 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8166
8167         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8168         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8169         (tree-cfg.o): Remove hashtab.h dependency.
8170
8171         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8172         (struct ivopts_data): Change niters to pointer_map_t.
8173         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8174         (niter_for_exit): Create pointer_map on demand.  Change for
8175         pointer_map API.
8176         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8177         (free_loop_data): Destroy data->niters if created and reset field.
8178         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8179         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8180
8181         * tree-ssa-reassoc.c: Include pointer-set.h.
8182         (bb_rank): Change to long *.
8183         (operand_rank): Change to pointer_map_t.
8184         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8185         (insert_operand_rank): Accept long.
8186         (operand_entry_hash, operand_entry_eq): Remove.
8187         (get_rank): Return long.  Adjust for changes above.
8188         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8189         and operand_rank.
8190         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8191
8192         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8193         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8194         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8195         is not NULL.
8196         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8197         directly since it cannot be NULL.
8198         (get_vi_for_tree): Rewrite for pointer_map API.
8199         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8200         (init_alias_vars): Create vi_for_tree as pointer_map.
8201         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8202
8203         * tree-cfg.c: Don't include hashtab.h.
8204         (edge_to_cases): Declare as pointer_map.
8205         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8206         Delete.
8207         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8208         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8209         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8210         destroying it.
8211         (record_switch_edge): Delete.
8212         (get_cases_for_edge): Adjust for pointer_map API, inline
8213         record_switch_edge (rewritten for new API), remove goto.
8214
8215 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8216
8217         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8218         * tree-nested.c: Include pointer-set.h.
8219         (var_map_elt, var_map_eq, var_map_hash): Delete.
8220         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8221         to pointer_map_t's.
8222         (nesting_info_bitmap_obstack): New.
8223         (lookup_field_for_decl): Adjust for pointer_map API.
8224         (lookup_tramp_for_decl): Adjust for pointer_map API.
8225         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8226         (get_local_debug_decl): Adjust for pointer_map API.
8227         (convert_nl_goto_reference): Adjust for pointer_map API.
8228         (convert_nl_goto_receiver): Adjust for pointer_map API.
8229         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8230         the new obstack.  Create field_map and var_map as pointer_maps.
8231         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8232         (root): Delete.
8233         (lower_nested_functions): Move root here, no need to NULL it.
8234         Initialize and release the obstack.
8235
8236 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8237
8238         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8239         Remove prototypes and make them non-static.
8240         (struct tree_int_map): Remove.
8241         * tree.h (struct tree_int_map): Move here, turning TO into an
8242         unsigned int.
8243         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8244
8245         * tree.h (TREE_COMPLEXITY): Remove.
8246         (struct tree_exp): Remove complexity field.
8247         * tree.c (build1_stat): Don't set it.
8248
8249 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8250             Victor Kaplansky  <victork@il.ibm.com>
8251
8252         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8253         (vect_is_simple_reduction): Support reduction with induction as
8254         one of the operands.
8255         (vect_is_simple_iv_evolution): Fix formatting.
8256         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8257         formatting.  Don't mark induction phis for vectorization.
8258         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8259         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8260         (vect_get_vec_def_for_operand): Support induction.
8261         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8262         induction case.
8263         (vectorizable_reduction): Support reduction with induction as one of
8264         the operands.
8265         (vectorizable_type_demotion): Use def-type of stmt argument rather
8266         than dummy def-type.
8267
8268         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8269         flag_tree_scev_cprop.
8270         * common.opt (tree-scev-cprop): New flag.
8271
8272         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8273         call to vect_get_new_vect_var.
8274
8275 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8276
8277         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8278         vectype is not NULL.
8279         (vect_pattern_recog_1): Likewise.
8280
8281 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8282
8283         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8284         (fold_negate_expr): Likewise.
8285
8286 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8287
8288         PR debug/30189
8289         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8290         even if cv-qualification is the same.
8291
8292 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8293
8294         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8295         __enable_execute_stack on completion.
8296
8297 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8298
8299         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8300         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8301         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8302         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8303         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8304         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8305         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8306         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8307
8308 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8309
8310         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8311         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8312         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8313         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8314         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8315         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8316         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8317         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8318         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8319         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8320         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8321         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8322         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8323         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8324         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8325         sqrtextenddfxf2_i387): Added amdfam10_decode.
8326
8327         * config/i386/athlon.md (athlon_idirect_amdfam10,
8328         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8329         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8330         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8331         athlon_ivector_store_amdfam10): New define_insn_reservation.
8332         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8333         amdfam10.
8334
8335 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8336
8337         * config/i386/athlon.md (athlon_call_amdfam10,
8338         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8339         define_insn_reservation.
8340         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8341         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8342         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8343
8344 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8345
8346         * config/i386/athlon.md (athlon_sseld_amdfam10,
8347         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8348         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8349
8350 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8351
8352         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8353         define_insn_reservation.
8354         * config/i386/i386.md (sseins): Added sseins to define_attr type
8355         and define_attr unit.
8356         * config/i386/sse.md: Set type attribute to sseins for insertq
8357         and insertqi.
8358
8359 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8360
8361         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8362         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8363         ssecomi_load_amdfam10, ssecomi_amdfam10,
8364         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8365         define_insn_reservation.
8366         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8367
8368 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8369
8370         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8371         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8372         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8373         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8374         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8375         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8376         define_insn_reservation.
8377
8378         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8379         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8380         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8381         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8382         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8383
8384 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8385
8386         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8387         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8388         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8389         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8390         athlon_ssemul_load_k8): Added amdfam10.
8391
8392 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8393
8394         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8395         (x86_sse_unaligned_move_optimal): New variable.
8396
8397         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8398         m_AMDFAM10.
8399         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8400         for unaligned vector SSE double/single precision loads for AMDFAM10.
8401
8402 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8403
8404         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8405         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8406         Define TARGET_CPU_DEFAULT_amdfam10.
8407         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8408         (processor_type): Add PROCESSOR_AMDFAM10.
8409
8410         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8411         processor_type in config/i386/i386.h.
8412         Enable imul peepholes for TARGET_AMDFAM10.
8413
8414         * config.gcc: Add support for --with-cpu option for amdfam10.
8415
8416         * config/i386/i386.c (amdfam10_cost): New variable.
8417         (m_AMDFAM10): New macro.
8418         (m_ATHLON_K8_AMDFAM10): New macro.
8419         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8420         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8421         x86_promote_QImode, x86_integer_DFmode_moves,
8422         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8423         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8424         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8425         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8426         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8427         Enable/disable for amdfam10.
8428         (override_options): Add amdfam10_cost to processor_target_table.
8429         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8430         processor_alias_table.
8431         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8432         (ix86_adjust_cost): Add code for amdfam10.
8433
8434 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8435
8436         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8437         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8438         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8439         * config/i386/i386.h: Add builtin definition for SSE4A.
8440         * config/i386/i386.md: Add support for ABM instructions
8441         (popcnt and lzcnt).
8442         * config/i386/sse.md: Add support for SSE4A instructions
8443         (movntss, movntsd, extrq, insertq).
8444         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8445         Add -march=amdfam10 flag.
8446         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8447         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8448         and amdfam10.
8449         * doc/extend.texi: Add documentation for SSE4A builtins.
8450
8451 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8452
8453         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8454
8455 2007-02-05  Richard Guenther  <rguenther@suse.de>
8456
8457         * tree-vectorizer.h (vectorizable_function): Add argument type
8458         argument, change return type.
8459         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8460         * tree-vect-transform.c (vectorizable_function): Handle extra
8461         argument, return vectorized function decl.
8462         (build_vectorized_function_call): Remove.
8463         (vectorizable_call): Handle calls with result and argument types
8464         differing.  Handle loop vectorization factor correctly.
8465         * targhooks.c (default_builtin_vectorized_function): Adjust for
8466         extra argument.
8467         * targhooks.h (default_builtin_vectorized_function): Likewise.
8468         * target.h (builtin_vectorized_function): Add argument type
8469         argument.
8470         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8471         extra argument, allow vectorizing of lrintf.
8472         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8473         documentation of target hook.
8474
8475 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8476
8477         PR target/30665
8478         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8479         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8480         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8481
8482 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8483
8484         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8485         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8486         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8487         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8488         before canonicalizing sincos to cexpi.
8489         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8490
8491 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8492
8493         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8494         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8495         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8496
8497 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8498
8499         * mips-tfile.c (initialize_init_file): Correct endianness test.
8500
8501 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8502
8503         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8504         the 'y' constraint.
8505
8506 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8507
8508         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8509         saves in a PARALLEL before the register assignments.
8510
8511 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8512
8513         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8514         DWARF_FRAME_RETURN_COLUMN to be a general register.
8515         * dwarf2out.c (init_return_column_size): New function, split from...
8516         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8517         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8518         to be nongeneral registers.
8519         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8520         integer registers.
8521         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8522         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8523
8524 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8525
8526         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8527
8528 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8529
8530         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8531         (remove_path): Use can_remove_branch_p and remove_branch instead
8532         of loop_delete_branch_edge.
8533         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8534         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8535         Update profile using scale_dominated_blocks_in_loop.
8536         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8537         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8538         (can_remove_branch_p, remove_branch): Declare.
8539         * tree-cfg.c (tree_can_remove_branch_p): New function.
8540         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8541         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8542         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8543
8544 2007-02-05  Jan Hubicka  <jh@suse.cz>
8545
8546         PR middle-end/30696
8547         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8548         nodes in cgraph, don't remove offline copy of the function.
8549
8550 2007-02-04  Jan Hubicka  <jh@suse.cz>
8551
8552         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8553         vectors might cause maybe_lookup_element_for_expr to be called
8554         on non-sra-candidate.
8555
8556 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8557
8558         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8559         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8560         spelling conventions.
8561
8562 2007-02-04  Richard Guenther  <rguenther@suse.de>
8563
8564         PR middle-end/30636
8565         * fold-const.c (try_move_mult_to_index): Make sure to not
8566         overflow one dimension of a multi-dimensional array access.
8567
8568 2007-02-04  Jan Hubicka  <jh@suse.cz>
8569
8570         * passes.c (init_optimization_passes): Reindent.
8571
8572 2007-02-04  Jan Hubicka  <jh@suse.cz>
8573             Eric Botcazou  <ebotcazou@adacore.com>
8574
8575         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8576         (execute_fixup_cfg): Break out the abnormal goto code.
8577         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8578         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8579         (optimize_inline_calls): Call make_nonlocal_label_edges.
8580
8581 2007-02-04  Jan Hubicka  <jh@suse.cz>
8582
8583         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8584         true when something was changed.
8585         (rename_ssa_copies): When something was changed, do
8586         TODO_remove_unused_locals.
8587         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8588         add TODO_remove_unused_locals when instruction was removed.
8589
8590 2007-02-04  Jan Hubicka  <jh@suse.cz>
8591
8592         * ipa-inline.c (try_inline): Improve debug output; work on already
8593         inline edges too.
8594         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8595         call try_inline for already inlined edges too when flattening;
8596         inline also functions that make callee growth but overall unit size
8597         reduce.
8598
8599 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8600
8601         * config/m32c/bitops.md, config/m32c/jump.md,
8602         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8603         config/m32r/m32r.h, config/m32r/m32r.md,
8604         config/m32r/predicates.md, config/m68hc11/larith.asm,
8605         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8606         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8607         config/mips/mips-protos.h, config/mips/mips.c,
8608         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8609         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8610         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8611         spelling conventions.
8612
8613         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8614         Follow spelling conventions.
8615
8616 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8617
8618         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8619         warn about C++0x compatibility.
8620
8621 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8622
8623         * config/h8300/h8300.c, config/h8300/h8300.h,
8624         config/h8300/h8300.md: Follow spelling conventions.
8625
8626 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8627
8628         PR middle-end/30667
8629         * combine.c (try_combine): Do not substitute source operand
8630         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8631
8632 2007-02-03  Jan Hubicka  <jh@suse.cz>
8633
8634         PR gcov-profile/30650
8635         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8636         do not divide by zero for never executed counters.
8637         (tree_find_values_to_profile): Fix counters.
8638         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8639
8640 2007-02-03  Ian Lance Taylor  <iant@google.com>
8641
8642         * lower-subreg.c (simple_move_operand): New static function,
8643         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8644         operands.
8645         (simple_move): Call simple_move_operand.
8646         (find_decomposable_subregs): Add special handling of MEMs.
8647         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8648         meaning of return value.  If we see a hard register, test whether
8649         it can store a word_mode value.  Change all callers.
8650
8651 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8652
8653         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8654         ftrapv insns and expanders.
8655         (subdi3): Change define_expand operand 1 to arith11_operand, and
8656         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8657         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8658         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8659         respectively.
8660
8661         PR middle-end/30174
8662         * varasm.c (notice_global_symbol): Treat global objects as weak when
8663         flag_shlib is true.
8664
8665 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8666
8667         * emit-rtl.c (dconstpi): Delete.
8668         (dconstsqrt2): New.
8669         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8670         * real.h (dconstpi): Delete.
8671         (dconstsqrt2): New.
8672         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8673         (fold_builtin_hypot): Likewise.
8674
8675 2007-02-03  Tom Tromey  <tromey@redhat.com>
8676
8677         PR driver/30246
8678         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8679         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8680
8681 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8682
8683         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8684         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8685         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8686         config/rs6000/cell.md, config/rs6000/darwin.h,
8687         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8688         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8689         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8690         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8691         typos.  Follow spelling conventions.
8692         * doc/invoke.texi: Follow spelling conventions.
8693
8694 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8695
8696         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8697         canonicalization transformations that attempt to simplify integer
8698         constant comparisons to become comparisons against zero.
8699
8700 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8701
8702         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8703         fabs(x)*sqrt(2).
8704         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8705         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8706
8707 2007-02-02  Mike Stump  <mrs@apple.com>
8708
8709         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8710         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8711         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8712         generate a branch island.
8713
8714 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8715
8716         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8717         (xtensa_legitimate_address_p): New.
8718         (xtensa_legitimize_address): New.
8719         (xtensa_output_addr_const_extra): New.
8720         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8721         (BASE_REG_P): New.
8722         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8723         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8724         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8725         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8726         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8727         (xtensa_legitimize_address): New.
8728         (xtensa_output_addr_const_extra): New.
8729
8730 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8731
8732         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8733
8734 2007-02-02  Ian Lance Taylor  <iant@google.com>
8735
8736         * expmed.c (expand_divmod): Add comment.
8737
8738 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8739
8740         * emit-rtl.c (renumber_insns): Remove.
8741         * flags.h: Remove the extern for flag_renumber_insns.
8742         * rtl.h: Remove the prototype for renumber_insns.
8743         * toplev.c (flag_renumber_insns): Remove.
8744
8745 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8746
8747         Revert for x86 darwin:
8748         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8749
8750         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8751         code before the following patch under TARGET_MACHO.
8752         (ix86_function_value_regno_p): Likewise.
8753
8754 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8755
8756         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8757         COMPLEX_EXPR.
8758
8759 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8760
8761         PR target/29682
8762         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8763         general or fp registers.  Add comments.
8764         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8765
8766 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8767
8768         * pointer-set.c (insert_aux): Only return insertion slot.
8769         (pointer_set_insert): Adjust.
8770         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8771         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8772         pointer_map_traverse): New.
8773         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8774         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8775         pointer_map_contains, pointer_map_traverse): Declare.
8776
8777 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8778
8779         PR middle-end/30473
8780         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8781         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8782
8783 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8784
8785         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8786
8787         (struct _dep): New type.
8788         (dep_t): New typedef.
8789         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8790         (DEP_STATUS): New access macro.  The macro with the same name was
8791         renamed to DEP_LINK_STATUS.
8792         (dep_init): Declare function
8793
8794         (struct _dep_link): New type.
8795         (dep_link_t): New typedef.
8796         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8797         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8798         (DEP_LINK_STATUS): New macro.
8799         (debug_dep_links): New debug function.
8800
8801         (struct _deps_list): New type.
8802         (deps_list_t): New typedef.
8803         (DEPS_LIST_FIRST): New access macro.
8804         (FOR_EACH_DEP_LINK): New cycle macro.
8805         (create_deps_list, free_deps_list, delete_deps_list): Declare
8806         functions.
8807         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8808         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8809         (copy_deps_list_change_con): Ditto.
8810
8811         (move_dep_link): Declare function.
8812
8813         (struct _dep_node): New type.
8814         (dep_node_t): New typedef.
8815         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8816
8817         (struct haifa_insn_data.back_deps): New field to hold backward
8818         dependencies of the insn.
8819         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8820         to deps_list_t.
8821         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8822         Change its type to deps_list_t.
8823         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8824         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8825         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8826
8827         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8828
8829         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8830
8831         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8832         all callers.
8833         (dep_cost): Declare.
8834
8835         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8836         (ds_to_dk, dk_to_ds): New functions.
8837
8838         (init_dep_1): New static function.
8839         (init_dep): New function.
8840         (copy_dep): New static function.
8841
8842         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8843         functions.
8844         (detach_dep_link): New static function.
8845         (move_dep_link): New function.
8846
8847         (dep_links_consistent_p, dump_dep_links): New static functions.
8848         (debug_dep_links): New debugging function.
8849
8850         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8851
8852         (alloc_deps_list, init_deps_list): New static functions.
8853         (create_deps_list): New function.
8854         (clear_deps_list): New static function.
8855         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8856         (deps_list_consistent_p, dump_deps_list): New static functions.
8857         (debug_deps_list): New function.
8858         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8859         functions.
8860         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8861
8862         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8863         use new scheduler dependencies lists.
8864         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8865         (sched_analyze): Ditto.  Initialize dependencies lists.
8866         (add_forw_dep, compute_forward_dependences): Update to use new
8867         scheduler dependencies lists.
8868
8869         (init_dependency_caches): Init deps_obstack.
8870         (free_dependency_caches): Free deps_obstack.
8871
8872         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8873         new scheduler dependencies lists.
8874         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8875         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8876
8877         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8878         Update to use new scheduler dependencies lists.
8879         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8880         (debug_dependencies): Ditto.
8881         (schedule_region): Update comments.
8882
8883         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8884         scheduler dependencies lists.
8885         (schedule_ebb): Update comments.
8886
8887         * rtl.def (DEPS_LIST): Remove.
8888
8889         * lists.c (unused_deps_list): Remove.
8890         (free_list): Update assertions.
8891
8892         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8893         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8894
8895         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8896         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8897
8898         * haifa-sched.c (comments): Update.
8899         (insn_cost1): Remove.  Inline the code into insn_cost ().
8900         (insn_cost): Update to use new scheduler dependencies lists.  Move
8901         processing of the dependency cost to dep_cost ().
8902         (dep_cost): New function.  Use it instead of insn_cost () when
8903         evaluating cost of the dependency.  Use compatible interface to
8904         interact with the target.
8905         (priority): Update to use new scheduler dependencies lists.
8906         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8907         with greater number of insns that depend on the insn.
8908         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8909         code to free backward dependencies lists.  Inline and optimize code
8910         from resolve_dep () - see PR28071.
8911         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8912         lists.  Update call to targetm.sched.is_costly_dependence hook.
8913
8914         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8915         scheduler dependencies lists.
8916
8917         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8918         (init_h_i_d): Initialize dependencies lists.
8919
8920         (process_insn_depend_be_in_spec): Rename to
8921         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8922         dependencies lists.
8923         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8924         Update to use new scheduler dependencies lists.
8925         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8926
8927         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8928         new scheduler dependencies lists.
8929         (build_intra_loop_deps): Ditto.
8930
8931         * target.h (struct _dep): Declare to use in
8932         gcc_target.sched.is_costly_dependence.
8933         (struct gcc_target.sched.adjust_cost): Fix typo.
8934         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8935         single dep_t parameter instead of an equivalent triad.
8936         (struct gcc_target.sched.adjust_cost_2): Remove.
8937
8938         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8939
8940         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8941
8942         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8943         documentation.
8944         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8945
8946         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8947         (REG_DEP_TRUE): Document.
8948
8949         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8950         Change signature to correspond to the targetm.sched.adjust_cost hook.
8951         Update use in TARGET_SCHED_ADJUST_COST_2.
8952         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8953         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8954         new scheduler dependencies lists.
8955         (ia64_gen_check): Ditto.
8956
8957         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8958         dependencies lists.
8959
8960         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8961         signature to correspond to the targetm.sched.is_costly_dependence hook.
8962         (is_costly_group): Update to use new scheduler dependencies lists.
8963
8964         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8965         instead of INSN_COST () macro.
8966
8967 2007-02-01  Ian Lance Taylor  <iant@google.com>
8968
8969         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8970
8971 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8972
8973         * pa.md (tp_load): Correct mfctl instruction syntax.
8974
8975 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8976
8977         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8978         altivec_padding_size calculation on AIX.  Improve comment, add
8979         assert to verify that it's right.
8980
8981         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8982         64-bit.
8983
8984 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8985
8986         PR inline-asm/28686
8987         * global.c (global_alloc): Add mising initialization of
8988         ELIMINABLE_REGSET.
8989
8990 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8991
8992         * alias.c (init_alias_analysis): Correct whitespace.
8993         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8994         partition_hot_cold_basic_blocks): Likewise.
8995         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8996         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8997         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8998         fold_builtin_snprintf_chk, fold_builtin_printf,
8999         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9000         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9001         * cfgcleanup.c (cleanup_cfg): Likewise.
9002         * cfgexpand.c (tree_expand_cfg): Likewise.
9003         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9004         * function.c (get_next_funcdef_no): Likewise.
9005         * gengtype.c (main): Likewise.
9006         * genmodes.c (main): Likewise.
9007         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9008         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9009         * ifcvt.c (noce_emit_move_insn): Likewise.
9010         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9011         Likewise.
9012         * stor-layout.c (get_best_mode): Likewise.
9013         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9014         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9015         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9016         perform_var_substitution, solve_graph): Likewise.
9017         * tree-vrp.c (vrp_finalize): Likewise.
9018
9019 2007-02-01  Ian Lance Taylor  <iant@google.com>
9020
9021         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9022         high part of a paradoxical subreg, return a constant zero.
9023
9024 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9025
9026         * toplev.c (lang_dependent_init): Call init_set_costs.
9027         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9028
9029 2007-02-01  Richard Guenther  <rguenther@suse.de>
9030
9031         PR middle-end/30656
9032         * fold-const.c (fold_negate_expr): Allow negating a
9033         constant if overflow does not change.
9034
9035 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9036
9037         * doc/c-tree.texi (Expression trees): Improve markup.
9038         * doc/tm.texi (Register Classes, Addressing Modes)
9039         (Floating Point): Fix spacing after abbreviations.  Fix some
9040         typos.
9041
9042 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9043
9044         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9045         * doc/contrib.texi: Likewise.
9046         * doc/install.texi: Likewise.
9047
9048 2007-01-31  Richard Henderson  <rth@redhat.com>
9049             Ian Lance Taylor  <iant@google.com>
9050
9051         * lower-subreg.c: New file.
9052         * rtl.def (CONCATN): Define.
9053         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9054         pass_lower_subreg2.
9055         * emit-rtl.c (update_reg_offset): New static function, broken out
9056         of gen_rtx_REG_offset.
9057         (gen_rtx_REG_offset): Call update_reg_offset.
9058         (gen_reg_rtx_offset): New function.
9059         * regclass.c: Revert patch of 2006-03-05, restoring
9060         reg_scan_update.
9061         (clear_reg_info_regno): New function.
9062         * dwarf2out.c (concatn_loc_descriptor): New static function.
9063         (loc_descriptor): Handle CONCATN.
9064         * common.opt (fsplit_wide_types): New option.
9065         * opts.c (decode_options): Set flag_split_wide_types when
9066         optimizing.
9067         * timevar.def (TV_LOWER_SUBREG): Define.
9068         * rtl.h (gen_reg_rtx_offset): Declare.
9069         (reg_scan_update): Declare.
9070         * regs.h (clear_reg_info_regno): Declare.
9071         * tree-pass.h (pass_lower_subreg): Declare.
9072         (pass_lower_subreg2): Declare.
9073         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9074         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9075         -fsplit-wide-types.
9076         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9077         * Makefile.in (OBJS-common): Add lower-subreg.o.
9078         (lower-subreg.o): New target.
9079
9080 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9081
9082         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9083
9084 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9085
9086         PR target/19087
9087         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9088
9089 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9090
9091         PR middle-end/29335
9092         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9093
9094 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9095
9096         * cfgloop.h: Include vec-prim.h.
9097         (enum li_flags): Remove LI_ONLY_OLD.
9098         (loop_iterator): Changed.
9099         (fel_next, fel_init): Iterate over loop tree.
9100         (FOR_EACH_LOOP_BREAK): New macro.
9101         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9102         FOR_EACH_LOOP.
9103         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9104         * modulo-sched.c (sms_schedule): Ditto.
9105         * tree-vectorizer.c (vectorize_loops): Ditto.
9106         * doc/loop.texi: Update information on loop numbering and behavior of
9107         FOR_EACH_LOOP wrto new loops.
9108         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9109         add_to_evolution_1): Test nestedness of loops instead of comparing
9110         their numbers.
9111         * tree-chrec.c (chrec_fold_plus_poly_poly,
9112         chrec_fold_multiply_poly_poly, chrec_evaluate,
9113         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9114         reset_evolution_in_loop): Ditto.
9115         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9116
9117 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9118
9119         * c-common.c (warn_about_parentheses): Separate warning about
9120         un-parenthized sequence of comparison operators from the one
9121         which is supposed to warn about x <= y <= z.
9122
9123 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9124
9125         * optabs.h (enum optab_index): Add new OTI_isinf.
9126         (isinf_optab): Define corresponding macro.
9127         * optabs.c (init_optabs): Initialize isinf_optab.
9128         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9129         patterns.
9130         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9131         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9132         using isinf_optab.
9133         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9134         expand_builtin_interclass_mathfn.
9135         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9136         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9137         (fxam<mode>2_i387): New insn pattern.
9138         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9139         built-in functions as x87 inline asm.
9140
9141 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9142
9143         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9144
9145 2007-01-30  Eric Christopher  <echristo@apple.com>
9146
9147         * config.gcc: Add geode.
9148
9149 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9150
9151         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9152         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9153         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9154         value-prof.c: Fix comment typos.
9155
9156 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9157
9158         PR c++/24745
9159         * doc/invoke.texi (Wpointer-arith): Document warning.
9160
9161 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9162
9163         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9164         the list of discrepancies from the draft TR.
9165
9166 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9167
9168         PR c++/30601
9169         * doc/invoke.texi (-Wreturn-type): Update description to
9170         match new behavior.
9171
9172 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9173
9174         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9175
9176 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9177
9178         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9179         to handle optabs that operate on floating point input argument and
9180         output to integer output.
9181         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9182         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9183         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9184         expand_builtin_interclass_mathfn ().
9185         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9186         (ilogbsi2): Remove.
9187         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9188         ilogbl built-in functions as x87 intrinsics.
9189
9190 2007-01-30  Richard Guenther  <rguenther@suse.de>
9191
9192         PR middle-end/27657
9193         * dwarf2out.c (reference_to_unused): Query varpool if the
9194         variable was output.
9195
9196 2007-01-30  Richard Guenther  <rguenther@suse.de>
9197
9198         PR middle-end/30313
9199         * passes.c (execute_one_pass): Reset in_gimple_form to not
9200         confuse non-unit-at-a-time mode.
9201
9202 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9203             Richard Guenther  <rguenther@suse.de>
9204
9205         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9206         avoid undefined behaviour on overflow.  Use force_fit_type_double
9207         to construct the constant with the specified TREE_OVERFLOW.
9208
9209 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9210
9211         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9212         * config/dfp-bit.h: Ditto.
9213
9214 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9215
9216         * c-decl.c (pop_scope): Replace warnings with call to
9217         warn_for_unused_label.
9218         * c-common.h (warn_for_unused_label): Declare.
9219         * c-common.c (warn_for_unused_label): Define.
9220
9221 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9222
9223         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9224         function.
9225
9226 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9227
9228         * Makefile.in (USER_H): Remove decfloat.h.
9229         * ginclude/decfloat.h: Delete, moving contents to ...
9230         * ginclude/float.h: Add support for decimal floating point,
9231         guarded by __STDC_WANT_DEC_FP__.
9232
9233 2007-01-29  Mike Stump  <mrs@apple.com>
9234
9235         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9236         Analysis and Representation to resolve case insensitive conflict.
9237         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9238
9239 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9240
9241         * tree.h (struct tree_memory_tag): Add aliases member.
9242         (MTAG_ALIASES): New macro.
9243         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9244         (add_may_alias): Remove pointer-set. Update for may_aliases being
9245         a bitmap.
9246         (mark_aliases_call_clobbered): Update for may_aliases being a
9247         bitmap.
9248         (compute_tag_properties): Ditto.
9249         (create_partition_for): Ditto.
9250         (compute_memory_partitions): Ditto.
9251         (dump_may_aliases_for): Ditto.
9252         (is_aliased_with): Ditto.
9253         (add_may_alias_for_new_tag): Ditto.
9254         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9255         (compute_is_aliased): New function.
9256         (compute_may_aliases): Call compute_is_aliased).
9257         (init_alias_info): Initialize alias_bitmap_obstack.
9258         (union_alias_set_into): New function.
9259         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9260         (have_common_aliases_p): Rewrite to take two bitmaps and use
9261         intersection.
9262         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9263         Update for bitmaps.
9264         (finalize_ref_all_pointers): Update for add_may_alias changes.
9265         (new_type_alias): Ditto.
9266         * tree-flow-inline.h (may_aliases): Return a bitmap.
9267         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9268         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9269         may_aliases being a bitmap.
9270         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9271         may_aliases now returns a bitmap.
9272         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9273         being a bitmap.
9274         * tree-ssa-operands.c (add_virtual_operand): Update for
9275         may_aliases being a bitmap.
9276
9277 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9278
9279         PR tree-optimization/30630
9280         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9281         variable as changed.
9282
9283 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9284
9285         PR c++/28266
9286         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9287         expanded only once even if an error occurs.
9288
9289 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9290
9291         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9292         (__gcov_average_profiler): Likewise.
9293         (__gcov_ior_profiler): Likewise.
9294         (__gcov_merge_ior): Likewise.
9295
9296 2007-01-28  Jan Hubicka  <jh@suse.cz>
9297
9298         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9299         * value-prof.c (stringop_block_profile): Likewise.
9300
9301 2007-01-28  Jan Hubicka  <jh@suse.cz>
9302
9303         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9304         variant handling histograms; add wrapper.
9305         (clear_storage_via_libcall): Export.
9306         (emit_block_move_hints): Break out from ...; add histograms.
9307         (emit_block_move): ... this one.
9308         (clear_storage_hints): Break out from ...; add histograms.
9309         (clear_storage): ... this one.
9310         (set_storage_via_memset): Handle histogram.
9311         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9312         (clear_storage_hints, clear_storage_via_libcall): Declare.
9313         (set_storage_via_setmem): Update prototype.
9314         * doc/md.texi (movmem, setmem): Document new arguments.
9315
9316         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9317         new histograms.
9318         (stringop_block_profile): New global function.
9319         (tree_stringops_values_to_profile): Profile block size and alignment.
9320         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9321         HIST_TYPE_IOR.
9322         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9323         (stringop_block_profile): Declare.
9324         * builtins.c: Include value-prof.h.
9325         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9326         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9327         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9328         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9329         * profile.c (instrument_values): Add new counters.
9330         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9331         calls.
9332         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9333         (tree_init_edge_profiler): Build new profilers.
9334         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9335         (pass_tree_profile): Add dump.
9336         (tree_profile_hooks): Update.
9337         * Makefile.in (LIBGCOV): Add new constants.
9338         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9339         __gcov_ior_profiler): New.
9340         * i386.md (movmem/setmem expanders): Add new optional arguments.
9341
9342 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9343
9344         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9345
9346 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9347
9348         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9349         (tree_unswitch_single_loop): Pass eni_size_weights to
9350         tree_num_loop_insns.
9351         * tree-ssa-loop-manip.c: Include tree-inline.h.
9352         (can_unroll_loop_p): Pass eni_size_weights to
9353         tree_num_loop_insns.
9354         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9355         Pass eni_size_weights to estimate_num_insns.
9356         * tree.h (init_inline_once): Export.
9357         * toplev.c (backend_init): Call init_inline_once.
9358         * cgraphunit.c (cgraph_process_new_functions,
9359         cgraph_analyze_function): Pass eni_inlining_weights to
9360         estimate_num_insns.
9361         * ipa-inline.c (compute_inline_parameters): Ditto.
9362         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9363         to estimate_num_insns.
9364         (try_unroll_loop_completely): Pass eni_size_weights to
9365         tree_num_loop_insns.
9366         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9367         ot estimate_num_insns.
9368         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9369         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9370         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9371         eni_time_weights): New variables.
9372         (init_inline_once): Initialize them.
9373         (struct eni_data): Mew.
9374         (estimate_num_insns_1, estimate_num_insns): Use weights.
9375         * tree-inline.h (struct eni_weights_d): New.
9376         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9377         (estimate_num_insns): Declaration changed.
9378         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9379         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9380         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9381
9382 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9383
9384         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9385         relations in the conflict function is valid.
9386
9387 2007-01-27  Ian Lance Taylor  <iant@google.com>
9388
9389         * common.opt: Add fstrict-overflow.
9390         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9391         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9392         (TYPE_OVERFLOW_UNDEFINED): Define.
9393         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9394         Replace all uses.
9395         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9396         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9397         (fold_negate_expr): Likewise.
9398         (make_range): Likewise.
9399         (extract_muldiv_1): Likewise.
9400         (maybe_canonicalize_comparison): Likewise.
9401         (fold_comparison): Likewise.
9402         (fold_binary): Likewise.
9403         (tree_expr_nonnegative_p): Likewise.
9404         (tree_expr_nonzero_p): Likewise.
9405         * tree-vrp.c (compare_values): Likewise.
9406         (extract_range_from_binary_expr): Likewise.
9407         (extract_range_from_unary_expr): Likewise.
9408         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9409         Likewise.
9410         (nowrap_type_p): Likewise.
9411         * tree-scalar-evolution.c (simple_iv): Likewise.
9412         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9413         (build_range_check): Likewise.
9414         (extract_muldiv_1): Likewise.
9415         (fold_comparison): Likewise.
9416         * tree-vrp.c (vrp_int_const_binop): Likewise.
9417         (extract_range_from_unary_expr): Likewise.
9418         * convert.c (convert_to_integer): Likewise.
9419         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9420         (fold_comparison): Likewise.
9421         (fold_binary): Likewise.
9422         * optabs.c (optab_for_tree_code): Likewise.
9423         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9424         * simplify-rtx.c (simplify_const_relational_operation): Check
9425         flag_strict_overflow and flag_trapv.
9426         (simplify_const_relational_operation): Likewise.
9427         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9428         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9429         -fstrict-overflow.
9430
9431 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9432
9433         * tree.c (tree_fold_gcd): Delete.
9434         * tree.h (tree_fold_gcd): Remove prototype.
9435         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9436         test whether one constant integer is a multiple of another.  Instead
9437         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9438         * fold-const.c (multiple_of_p):  We've determined both TOP and
9439         BOTTOM are integer constants so we can call int_const_binop directly
9440         instead of the more generic const_binop.
9441
9442 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9443
9444         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9445         1*X check that the constant hasn't overflowed, to preserve the
9446         TREE_OVERFLOW bit.
9447         (round_up): Provide an efficient implementation when rouding-up an
9448         INTEGER_CST to a power-of-two.
9449
9450 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9451
9452         * doc/sourcebuild.texi: Add comma for clarity.
9453         * doc/extend.texi: Fix some typos.
9454         * doc/passes.texi: Likewise.
9455         * doc/cppinternals.texi: Likewise.
9456         * doc/c-tree.texi: Likewise.
9457         * doc/tree-ssa.texi: Likewise.
9458         * doc/install.texi: Likewise.
9459
9460 2007-01-27  Jan Hubicka  <jh@suse.cz>
9461
9462         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9463         (pass_sra): Do not require alias information.
9464         * passes.c (init_optimization_passes): Add SRA
9465
9466 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9467
9468         * tracer.c (rest_of_handle_tracer): We already cleaned
9469         up the CFG in tracer() so don't do it here again.
9470         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9471         cleanup_cfg here, either.  And don't call renumber_insns.
9472
9473         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9474         and BB_HEAD are in the insn stream here.  Instead make sure
9475         that BB_INSN is valid on all insns.  Also, do check here that
9476         there are no pending branch predictions...
9477         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9478         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9479         here.
9480
9481 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9482
9483         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9484         function to simplify/factorize operand order canonicalization.
9485         (ix86_fixup_binary_operands): Reorganize using the above function.
9486         (ix86_binary_operator_ok): Likewise.
9487
9488 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9489
9490         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9491         file scope from optimize_attrs.
9492         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9493         up search.
9494         (optimize_attrs): Clear insn_code_values after freeing it.
9495
9496 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9497
9498         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9499         a parts.base assignment.
9500
9501 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9502
9503         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9504         (compute_subscript_distance, initialize_data_dependence_relation,
9505         finalize_ddr_dependent, analyze_ziv_subscript,
9506         analyze_siv_subscript_cst_affine,
9507         compute_overlap_steps_for_affine_univar,
9508         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9509         analyze_siv_subscript, analyze_miv_subscript,
9510         analyze_overlapping_iterations, subscript_dependence_tester_1,
9511         compute_self_dependence, free_dependence_relation): Work
9512         with affine_fn instead of chrecs.
9513         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9514         common_affine_function, affine_function_base,
9515         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9516         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9517         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9518         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9519         (all_chrecs_equal_p): Removed.
9520         * tree-data-ref.h (affine_fn, conflict_function): New types.
9521         (struct subscript): Change type of conflicting_iterations_in_a
9522         and conflicting_iterations_in_b.
9523
9524 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9525
9526         PR other/30182
9527         * config/pa/pa.h (TARGET_HPUX_11): New.
9528         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9529         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9530
9531 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9532         Richard Guenther  <rguenther@suse.de>
9533
9534         * tree-ssa-structalias.c (solve_graph): Handle case
9535         we merged the variable to another.
9536
9537 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9538
9539         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9540         functions.
9541
9542         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9543         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9544
9545 2007-01-25  DJ Delorie  <dj@redhat.com>
9546
9547         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9548         allow changes to modes which don't fit in those registers.
9549
9550         * reload1.c (choose_reload_regs): Check for invalid subregs before
9551         computing their locations, not after.
9552
9553 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9554
9555         PR 25127
9556         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9557         save Altivec registers in an eh_return function.
9558         (compute_vrsave_mask): Likewise.
9559         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9560         for saving Altivec registers.
9561         (rs6000_emit_prologue): Don't allocate stack twice in
9562         eh_return function.  Correct expected value of altivec_save_offset
9563         when using save_world.  Describe save of R0 to stack when using
9564         save_world.  Describe stack pointer adjustment when using
9565         save_world.  Remove duplicated eh_return parameter register saving.
9566         Update sp_offset variable after save_world.
9567         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9568         darwin-world.asm.
9569         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9570         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9571         implies Altivec.
9572
9573 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9574
9575         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9576
9577 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9578
9579         PR other/30182
9580         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9581         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9582
9583 2007-01-25  Richard Guenther  <rguenther@suse.de>
9584
9585         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9586         * common.opt (-Wcoverage-mismatch): New warning option.
9587         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9588         if -Wcoverage-mismatch is given.
9589
9590 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9591
9592         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9593         (ipcp_driver): Change to static definition.
9594         Add dumping of the ifunctions.
9595         (constant_val_insert): Remove unused parameter. Support for SSA.
9596         (ipcp_propagate_const): Support for SSA.
9597         (ipcp_profile_bb_print): Print only analyzed nodes.
9598         (ipcp_replace_map_create): Remove support for Fortran constant
9599         for now.
9600         * ipa-prop.c (ipa_method_modify_stmt,
9601         ipa_callsite_compute_param): Support for SSA.
9602         * ipa-prop.h (ipcp_driver): Remove declaration.
9603         (IS_VALID_TREE_MAP_INDEX): Add define.
9604
9605 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9606
9607         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9608
9609 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9610
9611         PR middle-end/30447
9612         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9613         constant argument to cabs and do it without checking for
9614         -funsafe-math-optimizations.
9615
9616 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9617
9618         * c-common.h (RID_FIRST_CXX0X): New.
9619         (RID_LAST_CXX0X): New.
9620         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9621         by -Wall.
9622         * c.opt (Wc++0x-compat): New.
9623         * doc/invoke.texi (-Wc++0x-compat): Document.
9624
9625 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9626
9627         * builtins.c (fold_builtin_carg): New.
9628         (fold_builtin_1): Use it.
9629
9630 2007-01-24  Jan Hubicka  <jh@suse.cz>
9631
9632         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9633
9634         * ipa-inline.c (initial_insns, max_insns): Delete.
9635         (compute_max_insns): New function.
9636         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9637         of insns as base for code growth.
9638         (cgraph_decide_inlining): Make initial_insns local; do not compute
9639         max_insns.
9640         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9641         * doc/invoke.texi (inline-unit-growth): Update docs.
9642
9643 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9644
9645         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9646         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9647         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9648         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9649         for CPUs that have PTA_CX16 set.
9650
9651         PR middle-end/27416
9652         * gimplify.c (omp_check_private): New function.
9653         (gimplify_scan_omp_clauses): Use it for
9654         firstprivate/lastprivate/reduction.
9655
9656         PR middle-end/30494
9657         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9658         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9659
9660         PR middle-end/30421
9661         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9662         If lower_lastprivate_clauses emits some statements, append them
9663         to dlist rather than body_p and to body_p append an initializer.
9664         (lower_omp_for): Adjust caller.
9665
9666 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9667
9668         * target.h (globalize_decl_name): New.
9669         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9670         * output.h (default_globalize_decl_name): New.
9671         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9672         globalize_label.
9673         (globalize_decl): Ditto.
9674         (default_globalize_decl_name): New.
9675         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9676         (ia64_handle_version_id_attribute): New.
9677         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9678         (ia64_asm_output_external): Use globalize_decl_name instead
9679         of globalize_label.
9680         * doc/extend.texi (version_id): New pragma.
9681         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9682
9683 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9684
9685         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9686         _uleb128_t and _Unwind_SWord with _sleb128_t.
9687         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9688         uw_frame_state_for, uw_update_context_1): Likewise.
9689         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9690         * unwind-pe.h (read_uleb128, read_sleb128,
9691         read_encoded_value_with_base): Likewise.
9692         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9693
9694 2007-01-24  Richard Guenther  <rguenther@suse.de>
9695
9696         * builtins.c (expand_builtin_cexpi): Get the fndecl
9697         for cexp in the correct way.
9698
9699 2007-01-24  Jan Hubicka  <jh@suse.cz>
9700
9701         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9702
9703 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9704
9705         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9706         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9707         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9708         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9709         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9710         __SIZEOF_PTRDIFF_T__.
9711         * doc/cpp.texi: Documentation for the new builtin macros added.
9712
9713 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9714
9715         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9716         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9717         instead of operands[2] to avoid access past the end of array.
9718
9719 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9720
9721         * reload1.c (emit_reload_insns): Pass the reload register
9722         for a non-spill output reload through forget_old_reloads_1.
9723
9724 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9725
9726         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9727         _SOFT_DOUBLE if doubles use software floating-point.
9728         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9729         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9730         * config/rs6000/darwin-ldouble.c: Also compile functions for
9731         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9732         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9733         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9734         commented-out long double override.
9735         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9736         * config/rs6000/eabispe.h: Likewise.
9737         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9738         long double for non-SPE.
9739         (rs6000_handle_option): Likewise.
9740         (invalid_e500_subreg): Disallow more subregs involding DImode,
9741         DFmode, TImode or TFmode.
9742         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9743         E500 double.
9744         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9745         double.
9746         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9747         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9748         double.
9749         (rs6000_legitimate_address): Also check for TFmode for E500
9750         double.
9751         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9752         (spe_build_register_parallel): Handle TFmode and TCmode.
9753         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9754         double.
9755         (function_arg): Handle TFmode and TCmode for E500 double.
9756         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9757         in general.
9758         (print_operand): Handle TFmode and TImode for %y.
9759         (rs6000_generate_compare): Handle TFmode comparisons for E500
9760         double.
9761         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9762         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9763         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9764         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9765         TFmode for E500 double.
9766         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9767         (floatsidf2): Enable for E500 double.
9768         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9769         (extenddftf2): Change to extenddftf2_fprs.
9770         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9771         depending on TARGET_E500_DOUBLE.
9772         (extendsftf2): Enable for E500 double.
9773         (trunctfdf2): Enable for E500 double.
9774         (trunctfsf2): Change to trunctfsf2_fprs.
9775         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9776         depending on TARGET_E500_DOUBLE.
9777         (floatsitf2): Enable for E500 double.
9778         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9779         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9780         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9781         (negtf2): Change to negtf2_internal.
9782         (negtf2): New expander.
9783         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9784         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9785         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9786         (movdi_internal32): Use rs6000_nonimmediate_operand.
9787         (unnamed splitter): Likewise.
9788         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9789         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9790         (SPE64TF, DITI): New mode macros.
9791         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9792         modes.
9793         (frob_tf_ti): New.
9794         (frob_<mode>_di_2): New.
9795         (frob_tf_di_8_2): New.
9796         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9797         (frob_ti_tf): New.
9798         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9799         more modes.
9800         (frob_ti_<mode>_8_2): New.
9801         (frob_ti_tf_2): New.
9802         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9803         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9804         TFmode.
9805         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9806         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9807         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9808         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9809         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9810         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9811         tsttflt_gp): New.
9812
9813 2007-01-23  Ian Lance Taylor  <iant@google.com>
9814
9815         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9816         insn-*.o first.
9817         (OBJS-archive): Reformat, alphabetize.
9818         (OBJS): Change out_object_file to OBJS-md.
9819
9820 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9821
9822         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9823         JUMP_P and CALL_P predicates where applicable.
9824         * config/i386/i386.c: Ditto.
9825         * config/i386/i386.md: Ditto.
9826         * config/i386/mmx.md: Ditto.
9827         * config/i386/predicates.md: Ditto.
9828
9829 2007-01-22  Andreas Schwab  <schwab@suse.de>
9830
9831         * config/m68k/m68k.h: Fix comment.
9832
9833 2007-01-22  Jan Hubicka  <jh@suse.cz>
9834
9835         * passes.c (init_optimization_passes): Do not rerun
9836         pass_early_warn_uninitialized.
9837
9838 2007-01-22  Richard Guenther  <rguenther@suse.de>
9839
9840         PR tree-optimization/30038
9841         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9842         function.
9843         (execute_cse_sincos_1): Likewise.
9844         (execute_cse_sincos): Likewise.
9845         (gate_cse_sincos): Likewise.
9846         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9847         the cexpi() canonicalization of sincos().
9848         * tree-pass.h (pass_cse_sincos): Declare.
9849         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9850
9851 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9852
9853         PR rtl-optimization/29329
9854         * combine.c (replaced_rhs_insn): Rename to i2mod.
9855         (replaced_rhs_value): Rename to i2mod_new_rhs.
9856         (i2mod_old_rhs): New global variable.
9857         (combine_instructions): Adjust for above change.  Save a copy of
9858         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9859         note are substituted in the second instruction.
9860         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9861         ditch the note if it pertains to the second eliminated register
9862         and this register is mentioned in i2mod_old_rhs.
9863
9864         Revert:
9865         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9866
9867         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9868         the insn to which the note was originally attached.
9869
9870 2007-01-21  Jan Hubicka  <jh@suse.cz>
9871
9872         * ipa-inline.c (inlining_mode): Comment, move up.
9873         (cgraph_decide_inlining_incrementally): Do not perform inlining
9874         itself; fix handling of flattening of self recursive functions.
9875         (cgraph_find_cycles): Remove.
9876         (cgraph_flatten_node): Remove.
9877         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9878         (try_inline): New function.
9879         (cgraph_early_inlining): Update call of
9880         cgraph_decide_inlining_incrementally.  Apply inlining here.
9881         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9882
9883 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9884
9885         PR bootstrap/30511
9886         * tree-vrp.c (check_array_bounds): do not warn
9887         about ADDR_EXPR's of ARRAY_REF's which are immediately
9888         used in binary expressions.
9889
9890 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9891
9892         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9893         read_write_dep and macros for its access.
9894         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9895         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9896         argument, call vect_check_interleaving for every independent pair of
9897         data-refs. Mark loads that access the same memory location as a store
9898         in the loop.
9899         (vect_check_dependences): Remove.
9900         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9901         call, fix the call to vect_analyze_data_ref_dependence.
9902         (vect_analyze_data_ref_access): For statements that access the same
9903         data-ref, check that they are not stores; for loads, check that there
9904         is no store that access the same location.
9905
9906 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9907             Joseph Myers  <joseph@codesourcery.com>
9908
9909         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9910         (-fdump-rtl-stack): Likewise.
9911         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9912         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9913         (-mpt-fixed): Use @minus{} for minus sign.
9914         (Using Precompiled Headers): Fix under/overfull hbox.
9915
9916 2007-01-20  Jan Hubicka  <jh@suse.cz>
9917
9918         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9919         place within annotation.
9920
9921 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9922
9923         * pa.c (output_move_double): Change array size of xoperands to 4.
9924
9925 2007-01-20  Jan Hubicka  <jh@suse.cz>
9926
9927         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9928         as temporary.
9929
9930 2007-01-19  Ian Lance Taylor  <iant@google.com>
9931
9932         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9933         constant to unsigned HOST_WIDE_INT before negating.
9934
9935 2007-01-19  Ian Lance Taylor  <iant@google.com>
9936
9937         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9938         to unsigned.
9939         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9940         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9941         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9942         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9943         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9944         (realloc_vdef, realloc_vuse): Change second parameter to
9945         unsigned.
9946         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9947         fields to unsigned.
9948         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9949         unsigned. Change x and lim locals to unsigned.
9950         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9951         unsigned.
9952         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9953         (copy_virtual_operands): Change i and n locals to unsigned.
9954
9955 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9956
9957         PR middle-end/29335
9958         * builtins.c (fold_builtin_1): Handle builtin fdim.
9959
9960 2007-01-20  Jan Hubicka  <jh@suse.cz>
9961
9962         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9963         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9964         init_alias_heapvars.
9965         (init_alias_heapvars): Initialize only when not already initialized.
9966         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9967
9968 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9969
9970         * common.opt (fsigned-zeros): New command line option.
9971         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9972         of flag_unsafe_math_optimizations.
9973         * opts.c (set_fast_math_flags): The -ffast-math command line option
9974         implies -fno-signed-zeros.
9975         (fast_math_flags_set_p): Likewise.
9976
9977         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9978         the documentation of -ffast-math appropriately.  Wrap long lines.
9979
9980 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9981
9982         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9983         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9984
9985 2007-01-19  Tomas Bily  <tbily@suse.cz>
9986
9987         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9988         * tree-profile.c:
9989         (tree_init_ic_make_global_vars): New function
9990         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9991         (tree_gen_ic_profiler): New function
9992         (tree_gen_ic_func_profiler): New function
9993         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9994         (tree_profile_hooks): Added hook for indirec/virtual calls
9995         * value-prof.c (tree_find_values_to_profile): New case for
9996         indirect calls
9997         (tree_values_to_profile): Call for determining indirect/virtual
9998         counters
9999         (tree_indirect_call_to_profile): New function
10000         (tree_ic_transform): New function
10001         (tree_ic): New function
10002         (find_func_by_pid): New function
10003         (init_pid_map): New function
10004         (tree_value_profile_transformations): Added check for
10005         indirect/virtual call transformation
10006         * value-prof.h (enum hist_type): New counter type for
10007         indirect/virtual calls
10008         (profile_hooks): Added new hook for profiling indirect/virtual
10009         calls
10010         * profile.c (instrument_values): New case for indirect/virtual
10011         call added
10012         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10013         (GCOV_COUNTER_V_INDIR): New counter type
10014         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10015         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10016         call added
10017         * cgraph.c: Definition of cgraph_max_pid
10018         (cgraph_create_node): Default init of pid attribute
10019         * cgraph.h: Declaration of cgraph_max_pid
10020         (struct cgraph_node): Added pid attribute
10021         * libgcov.c (__gcov_indirect_call_profiler): New function
10022         (__gcov_one_value_profiler_body): New function
10023         (__gcov_one_value_profiler): Body was moved to
10024         __gcov_one_value_profiler_body and calls it
10025
10026 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10027
10028         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10029         * gengtype.c (write_types_data, write_func_for_structure,
10030         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10031         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10032         (walk_type, write_func_for_structure): Generate the mark_hook if
10033         needed.
10034
10035 2007-01-19  Jan Hubicka  <jh@suse.cz>
10036
10037         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10038         'early' argument take inlining mode argument specifying whether to
10039         inline for size/speeed or all functions; add support for flattening;
10040         improve dumpting.
10041         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10042
10043 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10044
10045         PR c++/17947
10046         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10047         the name of the declared identifier.
10048
10049 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10050
10051         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10052         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10053         duplicate evaluation.
10054
10055 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10056
10057         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10058         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10059         to XFMode, use acosxf2 and truncate result to requested mode.
10060         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10061         (asin<mode>2): Similarly, with asin expanders.
10062         (*fscalexf4_i387): Rename from *fscalexf4.
10063         (expNcorexf3): New expander.
10064         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10065         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10066         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10067         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10068         patterns for SSE math.
10069         (exp10<mode>2): Similarly, with exp10 expanders.
10070         (exp2<mode>2): Similarly, with exp2 expanders.
10071         (expm1<mode>2): Similarly, with expm1 expanders.
10072         (ldexp<mode>3): Similarly, with ldexp expanders.
10073         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10074         Use gen_truncxf<mode>2_i387_noop to truncate result.
10075
10076 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10077
10078         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10079         for ColdFire targets.
10080
10081 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10082             Richard Sandiford  <richard@codesourcery.com>
10083
10084         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10085         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10086         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10087         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10088         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10089         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10090
10091 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10092
10093         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10094         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10095         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10096         (*adddi_dilshr32_cf): New pattern.
10097         (adddi3, subdi3): Remove first alternatives.
10098
10099 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10100
10101         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10102         implemented using move.l, do not use its cc result for floating-point
10103         comparisons.
10104
10105 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10106
10107         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10108         from accepting 's' constraints if flag_pic.
10109
10110 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10111
10112         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10113         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10114         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10115         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10116
10117 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10118
10119         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10120         ColdFire alternatives.
10121         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10122         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10123         architectures that support ff1 instruction.
10124
10125 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10126             Julian Brown  <julian@codesourcery.com>
10127
10128         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10129         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10130         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10131         Add commentary.
10132
10133 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10134
10135         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10136         and return a bool.
10137         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10138         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10139         HOST_WIDE_INT instead of an rtx.
10140         (m68k_rtx_costs): Update call accordingly.
10141         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10142         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10143         Return a bool.
10144         (output_move_simode_const): Update calls after above changes.
10145         Rework to use automatic variables and predicates like MEM_P.
10146         * config/m68k/m68k.md (pushexthisi_const): Update call to
10147         valid_mov3q_const.
10148
10149 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10150
10151         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10152         in dump_flags test.
10153
10154 2007-01-19  Richard Guenther  <rguenther@suse.de>
10155
10156         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10157         via cexp in case sincos is not available.
10158
10159 2007-01-19  Richard Guenther  <rguenther@suse.de>
10160
10161         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10162         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10163         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10164         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10165         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10166         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10167         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10168         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10169
10170 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10171
10172         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10173         New insn patterns.
10174         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10175         (atan2xf3): Directly generate RTL pattern.
10176         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10177         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10178         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10179         disable patterns for SSE math.
10180         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10181         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10182         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10183         disable patterns for SSE math.
10184
10185 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10186
10187         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10188
10189 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10190
10191         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10192         VIEW_CONVERT_EXPR to the same type as it's operand.
10193
10194 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10195
10196         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10197         configured for long double 128.
10198
10199 2007-01-18  Mike Stump  <mrs@apple.com>
10200
10201         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10202         error.
10203
10204 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10205
10206         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10207         type correct.
10208
10209 2007-01-18  Jan Hubicka  <jh@suse.cz>
10210
10211         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10212         greater than NUM_VOP_FREE_BUCKETS.
10213
10214 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10215
10216         * tree-ssa-structalias.c: Update comments.
10217         (ptabitmap_obstack): Removed.
10218         (pta_obstack): New.
10219         (oldpta_obstack): Ditto.
10220         (stats): Add a few members.
10221         (struct variable_info): Remove node, complex, address_taken, and
10222         indirect_target members. Add oldsolution member.
10223         (new_var_info): Do not initialize removed members.
10224         (constraint_expr_type): Remove INCLUDES.
10225         (constraint_graph): Add size, implicit_preds, rep,
10226         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10227         (FIRST_REF_NODE): New macro.
10228         (LAST_REF_NODE): Ditto.
10229         (FIRST_ADDR_NODE): Ditto.
10230         (find): New function.
10231         (unite): Ditto.
10232         (dump_constraint): Do not handle INCLUDES.
10233         (insert_into_complex): Do not insert duplicate constraints.
10234         (condense_varmap_nodes): Renamed and rewritten into ...
10235         (merge_node_constraints): This. Also fix bug in handling of
10236         offseted copy constraints.
10237         (clear_edges_for_node): No longer need to deal with preds at all,
10238         or removing associated preds/succs.
10239         (merge_graph_nodes): Deal with indirect_cycles.
10240         Don't deal with predecessors.
10241         (add_implicit_graph_edge): New function.
10242         (add_pred_graph_edge): Ditto.
10243         (add_graph_edge): Don't deal with predecessors.
10244         (build_constraint_graph): Removed.
10245         (build_pred_graph): New function.
10246         (build_succ_graph): Ditto.
10247         (struct scc_info): Removed in_component. Added roots, dfs, and
10248         node_mapping. Remove visited_index, unification_queue.
10249         (scc_visit): Deal with union-find we do now.
10250         Deal with cycles with REF nodes.
10251         (collapse_nodes): Renamed and rewritten to ...
10252         (unify_nodes): This.
10253         (process_unification_queue): Removed.
10254         (topo_visit): Cleanup
10255         (do_da_constraint): Use find.
10256         (do_sd_constraint): Ditto.
10257         (do_ds_constraint): Ditto.
10258         (do_complex_constraint): Ditto.
10259         (init_scc_info): Update for removed and added members.
10260         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10261         (find_indirect_cycles): This.
10262         (equivalence_class): New variable.
10263         (label_visit): New function.
10264         (perform_variable_substitution): Rewritten.
10265         (free_var_substitution_info): New function.
10266         (find_equivalent_node): Ditto.
10267         (move_complex_constraints): Ditto.
10268         (eliminate_indirect_cycles): Ditto.
10269         (solve_graph): Only propagate changed bits.
10270         Use indirect cycle elimination.
10271         Use find.
10272         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10273         (tree_id_eq): Renamed to ...
10274         (tree_vi_eq): This. Update for member change
10275         (insert_id_for_tree): Renamed and rewritten to ...
10276         (insert_vi_for_tree): This.
10277         (lookup_id_for_tree): Renamed and rewritten to ...
10278         (lookup_vi_for_tree): This.
10279         (get_id_for_tree): Renamed and rewritten to ...
10280         (get_vi_for_tree): Ditto.
10281         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10282         (process_constraint): Don't handle INCLUDES.
10283         Remove special ADDRESSOF case.
10284         (find_func_aliases): Rewrite to use vi functions instead of id
10285         ones.
10286         (create_function_info_for): Ditto.
10287         (create_variable_info_for): Ditto.
10288         (intra_create_variable_infos): Ditto.
10289         (merge_smts_into): Ditto.
10290         (find_what_p_points_to): Ditto.
10291         (init_base_vars): Ditto.
10292         (init_alias_vars): Ditto.
10293         (remove_preds_and_fake_succs): New function.
10294         (dump_sa_points_to_info): Dump new stats.
10295         (dump_solution_for_var): Use find.
10296         (set_used_smts): Fix formatting.
10297         (compute_points_to_sets): Updated for new functions.
10298         (ipa_pta_execute): Ditto.
10299
10300 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10301             Richard Sandiford  <richard@codesourcery.com>
10302
10303         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10304         parallels.
10305         * calls.c (expand_call): If the return value is a PARALLEL,
10306         extract its first member.
10307         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10308         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10309         use FUNCTION_EXTRA_EPILOGUE.
10310         (m68k_function_value): Return a PARALLEL if the return value
10311         is of a pointer type.
10312         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10313         (FUNCTION_EXTRA_EPILOGUE): Remove.
10314         * config/m68k/m68k.md (D0_REG): New constant.
10315
10316 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10317
10318         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10319         output a NOP for empty epilogues.
10320
10321 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10322
10323         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10324         before function.  Extend register save check to include all
10325         registers, not just integer ones.
10326
10327 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10328
10329         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10330         (m68k_use_return_insn): ...this.
10331         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10332         * config/m68k/m68k.c (use_return_insn): Rename to...
10333         (m68k_use_return_insn): ...this.
10334         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10335         of USE_RETURN_INSN.
10336
10337 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10338
10339         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10340         nearest even, fix denormal rounding overflow.
10341
10342 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10343
10344         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10345         f%$smove and f%$move.
10346         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10347         (extendsfdf2_cf): Use fdmove instead of f%&move.
10348         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10349         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10350
10351 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10352
10353         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10354         GPR<-GPR moves.
10355
10356 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10357
10358         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10359         (coldfire_single_format): Declare.
10360         (coldfire_double_format): Likewise.
10361         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10362         of qnan_msb_set to determine the lower bits of a canonical
10363         NaN significand.
10364         (encode_ieee_double): Likewise.
10365         (encode_ieee_quad): Likewise.
10366         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10367         (mips_single_format): Likewise.
10368         (ieee_double_format): Likewise.
10369         (mips_double_format): Likewise.
10370         (ieee_extended_motorola_format): Likewise.
10371         (ieee_extended_intel_96_format): Likewise.
10372         (ieee_extended_intel_128_format): Likewise.
10373         (ieee_extended_intel_96_round_53_format): Likewise.
10374         (ibm_extended_format): Likewise.
10375         (mips_extended_format): Likewise.
10376         (ieee_quad_format): Likewise.
10377         (mips_quad_format): Likewise.
10378         (vax_f_format): Likewise.
10379         (vax_d_format): Likewise.
10380         (vax_g_format): Likewise.
10381         (i370_single_format): Likewise.
10382         (i370_double_format): Likewise.
10383         (decimal_single_format): Likewise.
10384         (decimal_double_format): Likewise.
10385         (decimal_quad_format): Likewise.
10386         (c4x_single_format): Likewise.
10387         (c4x_extended_format): Likewise.
10388         (real_internal_format): Likewise.
10389         (coldfire_single_format): New real_format.
10390         (coldfire_double_format): Likewise.
10391         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10392         canonical_nan_lsbs_set.
10393         (pdp11_d_format): Likewise.
10394         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10395         if TARGET_COLDFIRE_CPU.
10396
10397 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10398
10399         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10400         (output_call, m68k_legitimize_call_address): Declare.
10401         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10402         parenthesees.  Add support for a 'W' constraint.
10403         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10404         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10405         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10406         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10407         variables.
10408         (override_options): Initialize them.  Do not set flag_no_function_cse
10409         for TARGET_ID_SHARED_LIBRARY.
10410         (m68k_output_pic_call): Delete.
10411         (m68k_legitimize_call_address): New function.
10412         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10413         (output_call): New function.
10414         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10415         target address from the GOT if symbolic jumps are not allowed.
10416         * config/m68k/m68k.md (call, general_operand): Do not set
10417         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10418         Merge separate flag_pic and !flag_pic define_insns into...
10419         (*call, *call_value): ...these new patterns.  Match the address
10420         rather than the containing MEM and require it to be a call_operand.
10421         Use output_call to generate the asm template.
10422         * config/m68k/predicates.md (const_call_operand): New predicate.
10423         (call_operand): Likewise.
10424
10425 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10426
10427         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10428         (STACK_GROWS_DOWNWARD): Define to 1.
10429         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10430         comments, emphasizing that these values are only defaults.
10431         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10432         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10433
10434 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10435
10436         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10437
10438 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10439             Richard Sandiford  <richard@codesourcery.com>
10440
10441         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10442         (FP_REGNO_P): New macros.
10443         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10444         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10445         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10446         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10447
10448 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10449
10450         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10451         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10452         to $tmake_file.
10453         * config/m68k/t-floatlib: New file, extracting common code from...
10454         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10455         * config/m68k/t-uclinux: Here.
10456         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10457         routines on ColdFire targets.
10458
10459 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10460
10461         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10462         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10463         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10464         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10465         explicitly set MOTOROLA to 1.
10466         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10467
10468 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10469             Nathan Sidwell  <nathan@codesourcery.com>
10470
10471         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10472         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10473         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10474         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10475         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10476         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10477         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10478         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10479         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10480         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10481         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10482         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10483         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10484         (DBX_REGISTER_NUMBER): Delete.
10485         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10486         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10487         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10488
10489 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10490
10491         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10492         * config/flat.h: New file.
10493         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10494         OBJECT_FORMAT_FLAT.
10495         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10496         indirect references for -msep-data or -mid-shared-library.
10497         Do not use PC-relative code addresses either.
10498         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10499         to -mpcrel.
10500         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10501         for shared libraries and crt1.o for executables.  Use crti.o and
10502         crtbegin.o.
10503         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10504         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10505         Do not add -elf2flt or -shared-lib-id options here.
10506         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10507         Pass -shared-lib-id if -mid-shared-library, taking the library
10508         identifier from -mshared-library-id if given, otherwise
10509         defaulting to 0.
10510         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10511         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10512         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10513         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10514         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10515         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10516         and crtend.o.
10517         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10518         jump sequence for ISA A and ISA A+.
10519         (PICJUMP): Likewise.
10520
10521 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10522
10523         * config.gcc (m68k-*-uclinux*): Base the port on the common
10524         and m68k GNU/Linux files rather than on the generic ELF ones.
10525         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10526         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10527
10528 2007-01-18  Julian Brown  <julian@codesourcery.com>
10529             Richard Sandiford  <richard@codesourcery.com>
10530
10531         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10532         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10533         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10534         before redefining.
10535         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10536         80 unconditionally.
10537         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10538
10539 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10540
10541         * doc/install.texi: Document m68k-uclinuxoldabi.
10542         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10543         * config/m68k/uclinux-oldabi.h: New file, copied from
10544         config/m68k/uclinux.h.
10545
10546 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10547
10548         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10549         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10550         (m32r_compute_frame_size): Use unsigned for regno.
10551         (m32r_reload_lr): Use gen_frame_mem.
10552         (pop): New.
10553         (m32r_output_function_epilogue): Don't output the function epilogue
10554         textually here.
10555         (m32r_expand_epilogue): New.
10556         (direct_return): Return false if the function has the interrupt
10557         attribute.
10558         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10559         * config/m32r/m32r.md (epilogue): New expander.
10560         (return_lr, return_rte): New insns.
10561         (return): Make it expander.
10562         (return_normal): New expander.
10563
10564 2007-01-18  Josh Conner  <jconner@apple.com>
10565
10566         PR target/30485
10567         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10568         support for UNLE, UNLT, UNGE, and UNGT.
10569
10570 2007-01-18  Jan Hubicka  <jh@suse.cz>
10571
10572         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10573         * tree-tailcall (add_virtual_phis): Likewise.
10574         (optimize_tail_call): Return TODOs.
10575         (execute_tail_calls): Return TODOs.
10576         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10577         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10578         changed.
10579         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10580         Cleanup cfg using TODO.
10581         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10582         * passes.c (execute_function_todo): When cleanup did something, remove
10583         unused locals.
10584         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10585         (make_edges): Don't cleanup_cfg.
10586
10587 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10588
10589         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10590         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10591         operate on the top of stack.
10592         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10593         register handling of instructions that output to the second
10594         stack slot.
10595         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10596         (move_for_stack_reg): Special-case check for dead destination
10597         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10598
10599         * config/i386/i386.md (UNSPEC_TAN): New constant.
10600         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10601         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10602         to correctly model move of constant 1.0 to top stack slot.
10603         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10604         (unnamed peephole2 pattern): Remove corresponding peephole2
10605         pattern that optimizes tan insn and loading of constant 1.0.
10606         (tanxf2): Use fptanxf4_i387.
10607         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10608         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10609         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10610         disable patterns for SSE math.
10611         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10612         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10613
10614 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10615             Richard Guenther <rguenther@suse.de>
10616
10617         PR diagnostic/8268
10618         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10619         * common.opt (Warray-bounds): Add new warning option.
10620         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10621         if -Wall is given.
10622         * Makefile.in: make tree-vrp.o depend on toplev.h
10623         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10624         is enabled.
10625         (check_array_refs, check_array_bounds, check_array_ref): New.
10626
10627 2007-01-18  Jan Hubicka  <jh@suse.cz>
10628
10629         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10630         (execute_ssa_ccp): Return flags conditionally.
10631         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10632         changed.
10633         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10634
10635 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10636
10637         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10638         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10639
10640         * Makefile.c (GTFILES): Add cfglayout.h.
10641         * gengtype.c (open_base_files): Likewise.
10642         * cfglayout.c (cfg_layout_function_footer,
10643         cfg_layout_function_header) Reindent to make gengtype happy.
10644         * cfglayout.h (cfg_layout_function_footer,
10645         cfg_layout_function_header): Add GTY(()) marker.
10646
10647         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10648
10649 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10650
10651         * genautomata.c (write_automata): Include xstrerror output in the
10652         error message if writing the DFA description file fails.
10653
10654 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10655
10656         * config/mips/mips-protos.h (mips_output_external): Make it
10657         return void.
10658         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10659         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10660         (extern_list): Likewise.
10661         (extern_head): Likewise.
10662         (TARGET_ASM_FILE_END): Likewise.
10663         (mips_file_end): Likewise.
10664         (mips_output_external): Rewritten.
10665
10666 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10667
10668         * genpreds.c (write_insn_preds_c): Only write out the function
10669         body for regclass_for_constraint if we have register constraints.
10670
10671 2007-01-17  Tom Tromey  <tromey@redhat.com>
10672
10673         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10674         * doc/install.texi (Testing): Use sourceware.org.
10675         (Binaries): Likewise.
10676         (Specific): Likewise.
10677         * doc/contrib.texi (Contributors): Use sourceware.org.
10678
10679 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10680
10681         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10682         (AVR_ENHANCED): Rename to ...
10683         (AVR_HAVE_MUL): ... new.
10684         (avr_enhanced_p): Rename to ...
10685         (avr_have_mul_p): ... new.
10686         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10687         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10688         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10689         (avr_have_mul_p): ... new.
10690         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10691         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10692         'avr_enhanced_p' and 'enhanced'.
10693         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10694         AVR_HAVE_MUL instead of AVR_ENHANCED.
10695         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10696         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10697         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10698         instead of AVR_ENHANCED.
10699         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10700         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10701         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10702
10703 2007-01-17  Ian Lance Taylor  <iant@google.com>
10704
10705         * vec.h (VEC_reserve_exact): Define.
10706         (vec_gc_p_reserve_exact): Declare.
10707         (vec_gc_o_reserve_exact): Declare.
10708         (vec_heap_p_reserve_exact): Declare.
10709         (vec_heap_o_reserve_exact): Declare.
10710         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10711         versions.
10712         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10713         negative parameter.
10714         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10715         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10716         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10717         * vec.c (calculate_allocation): Add exact parameter.  Change all
10718         callers.
10719         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10720         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10721         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10722         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10723         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10724         (vec_heap_p_reserve_exact): New function.
10725         (vec_heap_o_reserve_exact): New function.
10726
10727 2007-01-17  Jan Hubicka  <jh@suse.cz>
10728
10729         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10730
10731 2007-01-17  Eric Christopher  <echristo@apple.com>
10732
10733         * config.gcc: Support core2 processor.
10734
10735 2007-01-16  Jan Hubicka  <jh@suse.cz>
10736
10737         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10738         the names, just unlink the chain so we don't crash on dangling pointers
10739         to dead SSA names.
10740
10741 2007-01-16  Jan Hubicka  <jh@suse.cz>
10742
10743         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10744         * tree-pass.h: Reorder to make IPA passes appear toegher.
10745         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10746         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10747         parameters, do not call early inliner.
10748         * ipa-inline.c: Update comments.  Include tree-flow.h
10749         (cgraph_decide_inlining): Do not compute inlining parameters.
10750         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10751         be called with function context set up.
10752         (pass_ipa_inline): Remove unreachable functions before pass.
10753         (cgraph_early_inlining): Simplify assuming to be called from the
10754         PM as local pass.
10755         (pass_early_inline): New pass.
10756         (cgraph_gate_ipa_early_inlining): New gate.
10757         (pass_ipa_early_inline): Turn into simple wrapper.
10758         (compute_inline_parameters): New function.
10759         (gate_inline_passes): New gate.
10760         (pass_inline_parameters): New pass.
10761         (apply_inline): Move here from tree-optimize.c
10762         (pass_apply_inline): New pass.
10763         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10764         transforming.
10765         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10766         doing them by hand.
10767         (tree_function_versioning): Do not allocate dummy struct function.
10768         * tree-inline.h (optimize_inline_calls): Update prototype.
10769         * tree-optimize.c (execute_fixup_cfg): Export.
10770         (pass_fixup_cfg): Remove
10771         (tree_rest_of_compilation): Do not apply inlines.
10772         * tree-flow.h (execute_fixup_cfg): Declare.
10773         * Makefile.in (gt-passes.c): New.
10774         * passes.c: Include gt-passes.h
10775         (init_optimization_passes): New passes.
10776         (nnodes, order): New static vars.
10777         (do_per_function_toporder): New function.
10778         (execute_one_pass): Dump current pass here.
10779         (execute_ipa_pass_list): Don't dump current pass here.
10780
10781 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10782
10783         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10784         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10785
10786 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10787
10788         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10789         (strong_alias): Define.
10790         (__gcc_qmul): Provide non-FMA for soft-float.
10791         (__gcc_qdiv): Same.
10792         (__gcc_qneg): New.
10793         (__gcc_qeq): New.
10794         (__gcc_qle): New.
10795         (__gcc_qge): New.
10796         (__gcc_qunord): New.
10797         (__gcc_stoq): New.
10798         (__gcc_dtoq): New.
10799         (__gcc_qtos): New.
10800         (__gcc_qtod): New.
10801         (__gcc_qtoi): New.
10802         (__gcc_qtou): New.
10803         (__gcc_itoq): New.
10804         (__gcc_utoq): New.
10805         (fmsub): New.
10806         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10807         soft-float functions.
10808         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10809         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10810         about long double soft float.
10811
10812 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10813             Tehila Meyzels  <tehila@il.ibm.com>
10814
10815         * tree-vectorizer.h (is_pattern_stmt_p): New.
10816         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10817         formatting (tabs instead of spaces). Cleanup and clarify setting
10818         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10819         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10820         (vectorizable_type_demotion): Check that types are integral.
10821         (vectorizable_type_promotion): Likewise.
10822         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10823         comments.
10824
10825 2007-01-16  Jan Hubicka  <jh@suse.cz>
10826
10827         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10828         cgraph edges too.
10829
10830 2007-01-15  Eric Christopher  <echristo@apple.com>
10831
10832         * ifcvt.c: Include vec.h, vecprim.h.
10833         (check_cond_move_block): New argument regs.
10834         Reorganize. Add registers used to regs.
10835         (cond_move_process_if_block): Use regs set above as
10836         loop bounds.
10837
10838 2007-01-15  Eric Christopher  <echristo@apple.com>
10839
10840         * config/darwin.h: Update copyright.
10841         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10842         (LINK_COMMAND_SPEC): Add -u.
10843         (LINK_SPEC): Fix umbrella for above.
10844
10845 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10846
10847         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10848         glibc CVS.
10849
10850 2007-01-15  Tom Tromey  <tromey@redhat.com>
10851
10852         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10853         * doc/install.texi (Testing): Don't mention jacks.
10854         (Configuration): Document --enable-java-maintainer-mode.  Move
10855         --with-java-home to libgcj-specific section.  Document
10856         --with-ecj-jar.
10857         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10858
10859 2007-01-15  Jan Hubicka  <jh@suse.cz>
10860
10861         * tree-ssa-dce.c (DCE_TODOs): New.
10862         (propagate_necessity): Return if something changed.
10863         (eliminate_unnecessary_stmts): Likewise.
10864         (perform_tree_ssa_dce): Return TODO flags when needed.
10865         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10866
10867 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10868
10869         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10870         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10871         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10872         patterns using X87MODEF12 mode macro.  Extend operand 1
10873         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10874         (log10<mode>2): Ditto.
10875         (log2<mode>2): Ditto.
10876         (log1p<mode>2): Ditto.
10877         (logb<mode>2): Ditto.
10878         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10879         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10880         (*fxtractxf3_i387): Rename from *fxtractxf3.
10881         (fxtract_extend<mode>xf3_i387): New insn pattern.
10882         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10883         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10884         and gen_fyl2xxf3_i387().
10885
10886 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10887
10888         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10889         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10890         get_loop_exit_edges.  Changed return type to bool.
10891         * cfgloop.h (fix_loop_placement): Declaration removed.
10892
10893 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10894
10895         * param.h (MIN_VECT_LOOP_BOUND): New.
10896         * params.def (MIN_VECT_LOOP_BOUND): New.
10897         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10898         argument - minimum threshold for number of iterations.
10899         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10900         argument to declaration.
10901         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10902         MIN_VECT_LOOP_BOUND.
10903         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10904         slpeel_tree_peel_loop_to_edge with additional argument.
10905         (vect_do_peeling_for_alignment): Likewise.
10906         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10907
10908 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10909
10910         PR target/30413
10911         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10912         operands of size 1.
10913
10914 2007-01-14  Jan Hubicka  <jh@suse.cz>
10915
10916         * tree-dfa.c (remove_referenced_var): New function.
10917         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10918         prune referenced vars list too.
10919         * tree-flow.h (remove_referenced_var): Declare.
10920
10921 2007-01-14  Jan Hubicka  <jh@suse.cz>
10922
10923         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10924         separately.
10925         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10926         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10927         * except.h (verify_eh_throw_table_statements): Kill prototype.
10928         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10929         into call exrepssions.
10930         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10931         eh trhow verifier.
10932         * tree-cfg.c: Include pointer-set.h.
10933         (verify_node_sharing): Work on pointer set.
10934         (verify_eh_throw_stmt_node): New.
10935         (verify_stmts): Use pointers sets, verify throw_stmt.
10936
10937 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10938
10939         * ipa-reference.c (analyze_function): Consider also addresses taken
10940         in phi nodes.
10941
10942 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10943
10944         * c-typeck.c (null_pointer_constant_p): Replace use of
10945         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10946         (build_c_cast): Likewise.
10947
10948 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10949
10950         * tree.h (force_fit_type_double): Remove unused final argument.
10951         * c-common.c (constant_expression_warning): Replace use of
10952         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10953         (convert_and_check): Likewise.
10954         (shorten_compare): Update call to force_fit_type_double.
10955         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10956         * convert.c (convert_to_pointer): Update call to
10957         force_fit_type_double.
10958         * fold-const.c (force_fit_type_double): Remove overflowed_const
10959         argument.
10960         (int_const_binop, fold_convert_const_int_from_int,
10961         fold_convert_const_int_from_real, fold_div_compare,
10962         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10963         fold_abs_const, fold_not_const): Remove the final argument from
10964         calls to force_fit_type_double.
10965
10966 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10967
10968         * configure.ac: Set insn to "nop" for spu-*-* also.
10969         * configure: Regenerate.
10970
10971 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10972
10973         * builtins.def : Add BUILT_IN_FREE.
10974
10975 2007-01-12  Jan Hubicka  <jh@suse.cz>
10976
10977         PR tree-optimization/30443
10978         * tree-inline.c (tree_function_versioning): Do not optimize when
10979         cloning for inlining.
10980
10981 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10982
10983         * doc/loop.texi: Document recording of loop exits.
10984         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10985         (update_single_exits_after_duplication,
10986         update_single_exit_for_duplicated_loop,
10987         update_single_exit_for_duplicated_loops): Removed.
10988         (duplicate_loop_to_header_edge): Do not call
10989         update_single_exits_after_duplication and
10990         update_single_exit_for_duplicated_loops.
10991         (loop_version): Do not update single_exit information.
10992         (fix_loop_structure): Use record_loop_exits instead of
10993         mark_single_exit_loops.
10994         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10995         the lists of loop exits.
10996         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10997         split_edge, merge_blocks): Update the lists of loop exits.
10998         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10999         loop_optimizer_init.
11000         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11001         of mark_single_exit_loops.
11002         (loop_optimizer_finalize): Call release_recorded_exits.
11003         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11004         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11005         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11006         update single exit information.
11007         * lambda-code.c (perfect_nestify): Ditto.
11008         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11009         (mark_single_exit_loops): Removed.
11010         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11011         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11012         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11013         functions.
11014         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11015         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11016         (verify_loop_structure): Verify consistency of the exit lists.
11017         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11018         (set_single_exit): Removed.
11019         * cfgloop.h (struct loop_exit): New function.
11020         (struct loop): single_exit_ field replaced by exits field.
11021         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11022         (struct loops): Added exits hash.
11023         (mark_single_exit_loops, set_single_exit): Declaration removed.
11024         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11025
11026 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11027
11028         * doc/invoke.texi: Avoid use of @headitem.
11029
11030 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11031
11032         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11033
11034 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11035
11036         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11037         list of targets.
11038
11039 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11040             Richard Sandiford  <richard@codesourcery.com>
11041
11042         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11043         * config/m68k/m68k.opt: Resort options.
11044         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11045
11046 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11047             Richard Sandiford  <richard@codesourcery.com>
11048
11049         * doc/invoke.texi: Document the macros that are defined by
11050         m68k's -mtune and -mhard-float options.
11051         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11052         (m68k_cpp_cpu_family): Likewise.
11053         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11054         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11055         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11056         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11057         (m68k_cpp_cpu_family): Likewise.
11058
11059 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11060
11061         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11062         macros besides mc68000 as tuning macros.  Use a switch statement
11063         to set them and mcpu32.
11064
11065 2007-01-12  Julian Brown  <julian@codesourcery.com>
11066
11067         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11068         (TARGET_68040_ONLY): Rename to...
11069         (TARGET_68040): ...this.
11070         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11071         * config/m68k/m68k.md: Likewise.
11072
11073 2007-01-12  Julian Brown  <julian@codesourcery.com>
11074             Nathan Sidwell  <nathan@codesourcery.com>
11075             Richard Sandiford  <richard@codesourcery.com>
11076
11077         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11078         the -mcpu= argument associated with the --with-cpu setting.
11079         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11080         if different from the one implied by the -mcpu setting.
11081         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11082         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11083         * doc/invoke.texi: Mention ColdFire in the introduction to the
11084         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11085         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11086         -mhard-float.  Document the previously-undocumented -m5206e,
11087         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11088         documentation for consistency.
11089         * doc/install.texi: Mention new --with-cpu arguments.
11090         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11091         default CPU if neither -mcpu nor -march are specified.
11092         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11093         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11094         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11095         using m68k_tune to decide between families that implement the
11096         same ISA.  Use m68k_tune to set __mcfv4e__.
11097         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11098         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11099         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11100         (FL_ISA_C, FL_ISA_MMU): New macros.
11101         (MASK_COLDFIRE): Delete.
11102         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11103         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11104         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11105         (TARGET_HARD_FLOAT): Do not define here.
11106         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11107         (TUNE_68000): New macro.
11108         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11109         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11110         (TUNE_CFV2): Redefine in terms of m68k_tune.
11111         (uarch_type, target_device, fpu_type): New enums.
11112         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11113         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11114         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11115         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11116         (FL_FOR_isa_c): New macros.
11117         (m68k_isa): New enum.
11118         (m68k_target_selection): New structure.
11119         (all_devices, all_isas, all_microarchs): New tables.
11120         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11121         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11122         (MASK_ALL_CPU_BITS): Delete.
11123         (m68k_find_selection): New function.
11124         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11125         Map the legacy target options to a combination of the new ones.
11126         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11127         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11128         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11129         settings.
11130         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11131         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11132         properties.
11133         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11134         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11135         * config/m68k/m68k-devices.def: New file.
11136
11137 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11138             Nathan Sidwell  <nathan@codesourcery.com>
11139
11140         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11141         (SUBTARGET_EXTRA_SPECS): New macros.
11142         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11143         use %(asm_cpu_spec) instead.
11144         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11145         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11146         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11147         (EXTRA_SPECS): Rename to...
11148         (SUBTARGET_EXTRA_SPECS): ...this.
11149
11150 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11151             Richard Sandiford  <richard@codesourcery.com>
11152             Julian Brown  <julian@codesourcery.com>
11153
11154         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11155         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11156         to the configuration's default CPU.
11157         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11158         Remove default masks.
11159         (m680[012]0-*-*): Set the default with_cpu to the first part of
11160         the target name.
11161         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11162         (m68k*-*-linux): Extend the --with-cpu handling to...
11163         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11164         and m68010.  Don't set target_cpu_default2.
11165         * doc/install.texi: Document --with-cpu for m68k.
11166         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11167         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11168         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11169         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11170         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11171         (ASM_SPEC): Remove use of %(asm_cpu_default).
11172         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11173         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11174         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11175         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11176         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11177         (TARGET_DEFAULT): Delete.
11178         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11179         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11180         (CPP_CPU_SPEC): Delete.
11181         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11182         the appropriate string.
11183         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11184         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11185         (ASM_SPEC): Don't use %(asm_default_spec).
11186         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11187         TARGET_DEFAULT and add MASK_68881.
11188         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11189
11190 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11191
11192         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11193         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11194         MASK_68010 alongside MASK_68020.
11195         * doc/invoke.texi: Document -m68010.
11196         * config/m68k/m68k.opt (m68010): New.
11197         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11198         if TUNE_68010.
11199         (TUNE_68010): New macro.
11200         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11201         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11202         (M68K_CPU_m68332): Add MASK_68010.
11203         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11204         fallback definition.
11205         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11206         defines.
11207         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11208         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11209         to all entries that use MASK_68020.
11210         (output_move_simode_const, output_move_himode, output_move_qimode)
11211         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11212         instead of TARGET_68020 to select clr behavior.  Remove comment
11213         about there being no TARGET_68010.
11214         * config/m68k/m68k.md: Likewise throughout.
11215
11216 2007-01-12  Julian Brown  <julian@codesourcery.com>
11217
11218         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11219         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11220         * config/m68k/m68k.md: Likewise.
11221
11222 2007-01-12  Julian Brown  <julian@codesourcery.com>
11223
11224         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11225         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11226
11227 2007-01-12  Julian Brown  <julian@codesourcery.com>
11228
11229         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11230         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11231         * config/m68k/m68k.md: Likewise.
11232
11233 2007-01-12  Julian Brown  <julian@codesourcery.com>
11234             Richard Sandiford  <richard@codesourcery.com>
11235
11236         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11237         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11238         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11239         TARGET_CPU32.
11240         (TARGET_CPU32): Rename to...
11241         (TUNE_CPU32): ...this.
11242         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11243         (TUNE_CFV2): New macros.
11244         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11245         remove conditions that are implied by TARGET_68020.
11246         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11247         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11248         (m68k_output_function_epilogue): Likewise.
11249         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11250         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11251         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11252         non-68000 timings.  Refactor multiplication and division costs.
11253         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11254         TUNE_CPU32 instead of TARGET_CPU32.
11255         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11256         and TUNE_68060 instead of TARGET_68060.
11257         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11258         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11259         TARGET_CPU32.
11260         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11261         && !TARGET_COLDFIRE" to choose between moveq and clr.
11262         Likewise in the unnamed movsf pattern.
11263         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11264         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11265         ashiftrt pattern.
11266
11267 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11268
11269         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11270         of tabbing before backslashes.
11271
11272 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11273
11274         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11275         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11276         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11277
11278 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11279
11280         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11281         find_interesting_uses_cond.
11282         (find_interesting_uses_cond): Use extract_cond_operands.
11283         (rewrite_use_compare): Use extract_cond_operands and
11284         force_gimple_operand_bsi.  Do not call update_stmt.
11285         (determine_use_iv_cost_condition): Use extract_cond_operands.
11286         Return cheaper of using original bound and changing the exit bound.
11287
11288 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11289
11290         PR tree-optimization/29516
11291         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11292         most_expensive_mult_to_index, addr_to_parts,
11293         create_mem_ref, maybe_fold_tmr): Make the type of
11294         fields of TARGET_MEM_REF sizetype.
11295         (move_fixed_address_to_symbol, move_pointer_to_base):
11296         New functions.
11297         * tree.def (TARGET_MEM_REF): Add comment on types of
11298         the operands.
11299
11300 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11301
11302         * c-common.c (vector_types_convertible_p): Treat opaque types as
11303         always convertible if they have the same size, but not otherwise.
11304
11305 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11306
11307         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11308         Remove the b_unconditional field.
11309         (noce_try_sign_mask): Do not look at b_unconditional.
11310         (noce_process_if_block): Do not use merge_if_blocks.  Update
11311         the CFG here.  Do not set b_unconditional.
11312         (cond_move_process_if_block): Likewise.
11313         (find_cond_trap): Likewise.
11314         (check_cond_move_block): Require simple jump insns at the end
11315         of the basic block.
11316
11317 2007-01-11  Jan Hubicka  <jh@suse.cz>
11318
11319         PR tree-optimization/1046
11320         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11321         when alias info is not ready.
11322         (pass_tail_recursion): Do not require aliasing.
11323         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11324         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11325         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11326         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11327         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11328         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11329         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11330         before inlining.
11331         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11332         When aliasing is not build, mark statement as volatile.
11333
11334 2007-01-11  Tom Tromey  <tromey@redhat.com>
11335
11336         PR preprocessor/15185, PR preprocessor/20989:
11337         * doc/cppopts.texi <-MT>: Update description of algorithm for
11338         computing default target.
11339         <-M, -MD>: Reword "basename" text.
11340
11341 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11342
11343         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11344         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11345         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11346         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11347         fold_builtin_bswap, real_constp, fold_builtin_pow,
11348         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11349         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11350         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11351         * convert.c (convert_to_pointer): Likewise.
11352         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11353         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11354         const_binop, fold_convert_const_int_from_int,
11355         fold_convert_const_int_from_real,
11356         fold_convert_const_real_from_real, sign_bit_p,
11357         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11358         fold_sign_changed_comparison, fold_unary, fold_comparison,
11359         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11360         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11361         * print-tree.c (print_node_brief, print_node): Likewise.
11362         * stor-layout.c (place_field, layout_type): Likewise.
11363         * tree-chrec.c (keep_cast): Likewise.
11364         * tree.c (build_vector, build_real, build_real_from_int_cst,
11365         build_complex): Likewise.
11366
11367 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11368
11369         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11370         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11371
11372 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11373
11374         * configure.ac (strict1_warn): Rename to strict_warn.
11375         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11376         cc_set_by_configure, quoted_cc_set_by_configure,
11377         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11378         all_boot_languages, all_stagestuff): Remove.
11379         (target_list): Remove bootstrap targets.
11380         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11381         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11382         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11383         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11384         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11385         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11386         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11387         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11388         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11389         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11390         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11391         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11392         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11393         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11394         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11395         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11396         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11397         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11398         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11399         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11400         (mostlyclean): Adjust.
11401         (clean, distclean): Don't mention bootstrap stuff.
11402         * configure: Regenerate.
11403         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11404         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11405         treelang/config-lang.in (stagestuff): Remove.
11406         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11407         stageprofile, stagefeedback, stagestuff): Remove mention.
11408
11409 2007-01-11  Nick Clifton  <nickc@redhat.com>
11410
11411         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11412         Accept CONSTs.
11413         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11414         (mcore_arith_K_S_operand): Run the test for the S constraint not
11415         the test for the M constraint.
11416         (mcore_addsub_operand): Do not accept integer values that are
11417         larger than 32 bits.
11418         * config/mcore/mcore.md: Remove unused constraints from split.
11419         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11420         (addsi3): Likewise.
11421         (allocate_stack): Likewise.
11422         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11423         operands to 32 bits.
11424         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11425         INTVAL.
11426         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11427         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11428         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11429         mcore_output_bclri, mcore_output_andn, output_inline_const,
11430         mcore_output_move, mcore_output_movedouble): Likewise.
11431         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11432         (output_inline_const): Likewise.
11433         (output_inline_const): Fix format strings used in sprintf
11434         statements.
11435         * config/mcore/mcore-protos.h: Update prototypes for changed
11436         functions in mcore.c.
11437         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11438         HOST_WIDE_INT and not int.
11439         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11440         CONST_OK_FOR_N): Likewise.
11441         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11442         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11443         an INTVAL.
11444
11445 2007-01-10  Jan Hubicka  <jh@suse.cz>
11446
11447         * tree-vrp.c (remove_range_assertions): Release defs.
11448         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11449         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11450
11451 2007-01-10  Paul Brook  <paul@codesourcery.com>
11452
11453         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11454         * config/arm/arm.md (mulsi3subsi): New insn.
11455
11456 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11457
11458         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11459         (tree_transform_and_unroll_loop): New.
11460         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11461         Declare.
11462
11463 2007-01-10  Robert Kennedy <jimbob@google.com>
11464
11465         * fold-const.c (fold_comparison): Fold comparisons like (x *
11466         1000 < 0) to (x < 0).
11467
11468 2007-01-10  Ian Lance Taylor  <iant@google.com>
11469
11470         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11471         operands have the same priority.
11472
11473 2007-01-10  Tom Tromey  <tromey@redhat.com>
11474
11475         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11476         (fold_binary): Likewise.
11477         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11478         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11479         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11480         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11481         * langhooks.h (struct lang_hooks): Removed field
11482         'can_use_bit_fields_p'.
11483
11484 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11485
11486         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11487
11488 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11489
11490         * function.c (get_last_funcdef_no): New function.
11491         * function.h (get_last_funcdef_no): Declare.
11492         * tree-inline.c (initialize_cfun): Add initialization.
11493         (tree_function_versioning): Cleanup.
11494
11495 2007-01-10  Jan Hubicka  <jh@suse.cz>
11496
11497         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11498         PHIs.
11499
11500 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11501             Ben Elliston  <bje@au.ibm.com>
11502
11503         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11504         for SAVE_NONLOCAL and Pmode for any other save level.
11505         * spu-protos.h (spu_restore_stack_block): Declare.
11506         * spu.md (save_stack_block): Remove.
11507         (restore_stack_block): Call spu_restore_stack_block.
11508         * spu.c (spu_restore_stack_block): New function.
11509         (spu_expand_epilogue): Remove old comment.
11510
11511 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11512
11513         PR tree-optimization/30322
11514         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11515         (cand_value_at): Return the value as aff_tree.
11516         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11517         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11518         aff_combination_mult): New functions.
11519         (aff_combination_add): Use aff_combination_add_cst.
11520         (aff_combination_convert): Allow conversions to a wider type.
11521         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11522         * tree-affine.h (aff_combination_mult): Declare.
11523
11524 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11525
11526         * doc/tm.texi: Update documentation to reflect reality of exec
11527         and start file search behaviours. Update copyright year.
11528         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11529         header file directories.
11530
11531 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11532
11533         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11534         (*cosxf2): Rename to cosxf2_i387.
11535         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11536         using X87MODEF12 mode macro. Rename patterns to
11537         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11538         for SSE math.
11539         (*cosdf2, *cossf2): Ditto.
11540         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11541         to match extended input operands.
11542         (sincos<mode>3): New expander.
11543         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11544         insn patterns and corresponding splitters.
11545
11546 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11547
11548         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11549         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11550
11551 2007-01-09  Nicolas Pitre  <nico@cam.org>
11552
11553         PR target/30173
11554         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11555
11556 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11557
11558         * target.h (struct gcc_target): New field library_rtti_comdat.
11559         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11560         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11561         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11562         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11563
11564 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11565
11566         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11567
11568 2007-01-08  Richard Guenther  <rguenther@suse.de>
11569
11570         * tree.h (force_fit_type_double): Export.
11571         (force_fit_type): Remove.
11572         * fold-const.c (force_fit_type_double): New function.
11573         (force_fit_type): Remove.
11574         (int_const_binop): Use it.
11575         (fold_convert_const_int_from_int): Likewise.
11576         (fold_convert_const_int_from_real): Likewise.
11577         (fold_div_compare): Likewise.
11578         (fold_sign_changed_comparison): Likewise.
11579         (fold_unary): Likewise.
11580         (fold_negate_const): Likewise.
11581         (fold_abs_const): Likewise.
11582         (fold_not_const): Likewise.
11583         * c-common.c (shorten_compare): Use force_fit_type_double.
11584         * convert.c (convert_to_pointer): Likewise.
11585
11586 2007-01-08  Richard Guenther  <rguenther@suse.de>
11587
11588         * tree.h (build_int_cst_wide_type): Export.
11589         * tree.c (build_int_cst_wide_type): New function.
11590         (build_int_cst_wide): Fix comment.
11591         * builtins.c (fold_builtin_object_size): Use build_int_cst
11592         to build -1 or 0 of the correct type.  Use fit_double_type
11593         to check for overflow.
11594         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11595         to build the mask.
11596         (decode_field_reference): Likewise.
11597         (all_ones_mask_p): Likewise.
11598         (native_interpret_int): Use build_int_cst_wide_type.
11599         (fold_binary): Use build_int_cst_type to build an all-ones
11600         value.
11601         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11602
11603 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11604
11605         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11606
11607 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11608
11609         * genautomata.c (STATS_OPTION): New option.
11610         (stats_flag): New flag.
11611         (gen_automata_option): Handle it.
11612         (initiate_automaton_gen): Ditto.
11613         (write_automata): Output statistics only if stats_flag is
11614         set. Likewise, output time statistics only if time_flag is set.
11615         * doc/md.texi (Processor pipeline description): Document new flag.
11616
11617 2007-01-08  Richard Guenther  <rguenther@suse.de>
11618
11619         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11620         * tree.c (build_int_cst_type): Likewise.
11621         (size_in_bytes): Don't call force_fit_type on the result.
11622         (int_fits_type_p): Use fit_double_type.
11623         * fold-const.c (fit_double_type): New function.
11624         (force_fit_type): Use it.
11625         * tree.h (fit_double_type): Export.
11626
11627 2007-01-08  Jan Hubicka  <jh@suse.cz>
11628
11629         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11630         * ipa.c (function_and_variable_visibility): Fix return type.
11631
11632 2007-01-08  Richard Guenther  <rguenther@suse.de>
11633
11634         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11635         of offset to build the index.
11636         * tree-pretty-print.c (dump_generic_node): Don't build negated
11637         const just for printing.
11638         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11639         * builtins.c (fold_builtin_int_roundingfn): Check if result
11640         fits the type by using force_fit_type and comparing the result.
11641         * predict.c (predict_loops): Use compare_tree_int for comparison.
11642         * tree.c (build_int_cst): Fall back to integer_type_node for
11643         NULL_TREE type.
11644         (build_int_cst_wide): Assert type is non-null.
11645
11646 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11647
11648         * tree-vrp.c (extract_range_from_cond_expr): New.
11649         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11650         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11651         as expressions.
11652         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11653         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11654         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11655         used as expressions.
11656         * tree-object-size.c (cond_expr_object_size): New.
11657         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11658
11659 2007-01-08  Jan Hubicka  <jh@suse.cz>
11660
11661         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11662         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11663         statement.
11664
11665 2007-01-08  Richard Guenther  <rguenther@suse.de>
11666
11667         PR tree-optimization/23603
11668         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11669         (extract_range_from_binary): Fall back to truthvalue instead of
11670         varying for TRUTH_*_EXPR.
11671         (extract_range_from_comparison): Fall back to truthvalue instead of
11672         varying.
11673         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11674         if all visited PHI values were constant.
11675
11676 2007-01-08  Jan Hubicka  <jh@suse.cz>
11677
11678         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11679         (cgraph_analyze_function): break out from ...
11680         (cgraph_finalize_compilation_unit): ... here.
11681         (cgraph_expand_function): Remove forgoten commented out line.
11682         (cgraph_optimize): Analyze functions.
11683
11684 2007-01-08  Jan Hubicka  <jh@suse.cz>
11685
11686         * tree-pas.h (TODO_remove_function): New flag.
11687         (TODO_update*): Renumber.
11688         (pass_ipa_increase_alignment,
11689         pass_ipa_function_and_variable_visibility): New passes.
11690         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11691         (cgraph_function_and_variable_visibility): Move to ipa.c
11692         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11693         cgraph_increase_alignment.
11694         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11695         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11696         calling tree-inline.
11697         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11698         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11699         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11700         (gate_increase_alignment): New function.
11701         (pass_ipa_increase_alignment): New pass.
11702         * ipa.c: Inline tree-pass.h and timevar.h
11703         (function_and_variable_visibility): Move here from cgraphunit.c
11704         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11705         * passes.c (init_optimization_passes): Add the two new passes.
11706         (execute_todo): Handle cgraph_remove_functions.
11707
11708 2007-01-08  Nick Clifton  <nickc@redhat.com>
11709
11710         * config/frv/predicates.md (reg_or_0_operand): Accept
11711         CONST_DOUBLEs.
11712
11713 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11714
11715         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11716         * config.gcc: Add bfin*-rtems*.
11717
11718 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11719
11720         * c.opt: Add -flax-vector-conversions.
11721         * c-typeck.c (convert_for_assignment): Pass flag to
11722         vector_types_convertible_p to allow emission of note.
11723         (digest_init): Likewise.
11724         * c-opts.c: Handle -flax-vector-conversions.
11725         * c-common.c (flag_lax_vector_conversions): New.
11726         (vector_types_convertible_p): Unless -flax-vector conversions
11727         has been passed, disallow conversions between vectors with
11728         differing numbers of subparts and/or element types.  If such
11729         a conversion is disallowed, possibly emit a note on the first
11730         occasion only to inform the user of -flax-vector-conversions.
11731         The new last argument specifies this.
11732         * c-common.h (flag_lax_vector_conversions): New.
11733         (vector_types_convertible_p): Add extra argument.
11734         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11735         char_type_node for V*QI type vectors.
11736         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11737         Update to satisfy new typechecking rules.
11738         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11739         C and C++ variants.
11740         * doc/invoke.texi (C Dialect Options): Document
11741         -flax-vector-conversions.
11742
11743 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11744
11745         PR tree-optimization/29877
11746         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11747         a register variable on the RHS to not be replaceable.
11748
11749 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11750         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11751         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11752         const_simm15, const_pow2, const_npow2): Added.
11753         * config/score/misc.md (insv, extv, extzv, movmemsi,
11754         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11755         * config/score/score.c (score_address_cost, score_select_cc_mode):
11756         Added.
11757         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11758         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11759         Update score_print_operand.
11760         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11761         Adjust register allocate order and update some macro define.
11762         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11763         mdx_block_move_straight, mdx_block_move_loop_head,
11764         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11765         mdx_block_move): Added.
11766         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11767         mdp_limm): Updated and fix some bug and typo.
11768         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11769         (movsf, movdf, doloop_end): Added.
11770
11771 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11772
11773         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11774         config/arm/thumb2.md: Fix comment typos.
11775         * doc/extend.texi: Fix a typo.
11776
11777 2007-01-07  Eric Christopher  <echristo@apple.com>
11778
11779         * configure.ac: Check for __stack_chk_fail for darwin.
11780         * configure: Regenerate.
11781
11782 2007-01-07  Richard Guenther  <rguenther@suse.de>
11783
11784         * tree-vrp.c (extract_range_from_assert): CSE calls to
11785         compare_values where possible.
11786         (extract_range_from_unary_expr): Likewise.
11787
11788 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11789
11790         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11791         * config/avr/avr.c (call_insn_operand): Delete function.
11792         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11793         instead of register number. Use predicates.
11794         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11795         call_insn_operand): Add.
11796
11797 2007-01-06  Jan Hubicka  <jh@suse.cz>
11798
11799         * tree-pass.h (pass_build_cgraph_edges): Declare.
11800         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11801         (visited_nodes): Remove.
11802         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11803         build_cgrpah_edges; make visited_nodes local.
11804         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11805         (record_references_in_initializer): Move to cgraphbuild.c
11806         (initialize_inline_failed, rebuild_cgraph_edges,
11807         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11808         (verify_cgraph_node): Make visited_nodes local.
11809         (cgraph_analyze_function): Do not call cgraph_create_edges and
11810         initialize_inline_failed.
11811         (cgraph_expand_function): Do not call cgraph_lower_function;
11812         assert that function is already lowered.
11813         * Makefile.in (cgraphbuild.o): New.
11814         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11815         at the end of lowering passes.
11816
11817 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11818
11819         * ifcvt.c (cond_move_convert_if_block): New function, code
11820         factored out from...
11821         (cond_move_process_if_block): ...here.  Call the new function
11822         on the THEN and ELSE blocks.
11823         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11824         already takes care of this.
11825
11826 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11827
11828         PR c/19978
11829         * tree.h (TREE_OVERFLOW_P): New.
11830         * c-typeck.c (parser_build_unary_op): Warn only if result
11831         overflowed and operands did not.
11832         (parser_build_binary_op): Likewise.
11833         (convert_for_assignment): Remove redundant overflow_warning.
11834         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11835
11836 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11837
11838         * c-typeck.c (store_init_value): Split over two lines to follow
11839         the GNU coding style.
11840
11841 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11842
11843         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11844         __GXX_EXPERIMENTAL_CXX0X__.
11845         * doc/cpp.texi: Same.
11846
11847 2007-01-05  Richard Guenther  <rguenther@suse.de>
11848
11849         PR middle-end/27826
11850         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11851         with mismatched types.  Instead explicitly build a
11852         conversion NOP_EXPR.
11853
11854 2007-01-05  Ian Lance Taylor  <iant@google.com>
11855
11856         * c-common.c (decl_with_nonnull_addr_p): New function.
11857         (c_common_truthvalue_conversion): Call it.
11858         * c-typeck.c (build_binary_op): Likewise.
11859         * c-common.h (decl_with_nonnull_addr_p): Declare.
11860
11861 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11862
11863         PR c/30360
11864         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11865         denom against 0.0.
11866
11867 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11868
11869         * doc/install.texi (Final install): Document the fact that
11870         the GNAT runtime should not be stripped.
11871
11872 2007-01-04  Jan Hubicka  <jh@suse.cz>
11873
11874         * tree-inline.c (fold_marked_statements): Update operand caches
11875         and EH after folding
11876
11877 2007-01-04  Ian Lance Taylor  <iant@google.com>
11878
11879         * c-common.c (check_function_nonnull): Whitespace fix.
11880
11881 2007-01-04  Jan Hubicka  <jh@suse.cz>
11882
11883         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11884         comitted older version of patch.
11885         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11886         function, celanup cfg and collect garbage.
11887
11888 2007-01-04  Mike Stump  <mrs@apple.com>
11889
11890         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11891         (clean): Likewise.
11892
11893 2007-01-04  Eric Christopher  <echristo@apple.com>
11894
11895         * libgcc2.c (__bswapsi2): Use SItype.
11896         (__bswapdi2): Use DItype.
11897         * libgcc2.h: Update for above.
11898
11899 2007-01-04  Paul Brook  <paul@codesourcery.com>
11900
11901         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11902         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11903         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11904         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11905         umulsi3_highpart): Make conditional on !arm_arch6.
11906         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11907         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11908         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11909         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11910         umulsi3_highpart_v6): New insns.
11911
11912 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11913
11914         * fold-const.c (fold_convert): When casting an expression to void,
11915         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11916         have a type.  Instead of attempting to build a NOP_EXPR, return
11917         these "special" trees directly.
11918
11919 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11920
11921         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11922         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11923         rs6000_cost->fp not 0 as adjustment for outer NEG.
11924
11925 2007-01-04  Jan Hubicka  <jh@suse.cz>
11926
11927         * cgraph.c (cgraph_release_function_body): New function.
11928         (cgraph_remove_node): Use it.
11929         * cgraph.h (cgraph_release_function_body): Declare.
11930         * cgraphunit.c (cgraph_expand_function): Use it.
11931         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11932         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11933         is initialized and while compilation of other function is running.
11934         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11935         statement CFG annotations from here to ...
11936         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11937
11938 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11939
11940         * cfgloop.h (enum li_flags): Make the constants powers of two.
11941
11942 2007-01-04  Jan Hubicka  <jh@suse.cz>
11943
11944         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11945         set.
11946         (fold_marked_statements): New function.
11947         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11948         * tree-inline.h (copy_body_data): Add statements_to_fold.
11949
11950 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11951
11952         * config.gcc: Mention libgcc/config.host.
11953         * Makefile.in: Update comments mentioning libgcc.
11954         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11955         (all.cross, start.encap, rest.encap, rest.cross): Update
11956         dependencies for libgcc move.
11957         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11958         (clean-target, clean-target-libgcc): Delete.
11959         (srcdirify, GCC_EXTRA_PARTS): New macros.
11960         (libgcc-support, libgcc.mvars): New rules.
11961         (distclean): Remove mention of mklibgcc.
11962         (install): Don't reference INSTALL_LIBGCC.
11963         (install-common): Don't reference EXTRA_PARTS.
11964         (install-libgcc, install-multilib): Delete rules.
11965         * mklibgcc.in: Delete file.
11966         * doc/configfiles.texi: Don't mention mklibgcc.
11967
11968         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11969         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11970         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11971         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11972         (mklibgcc, ldblspecs): Likewise.
11973
11974         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11975         (posixpre.def): Use $(T).
11976         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11977         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11978         (SHLIB_LINK): Make dummy.
11979         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11980
11981         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11982
11983         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11984         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11985         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11986         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11987
11988         * configure.ac (all_outputs): Remove mklibgcc.
11989         * configure: Regenerated.
11990
11991 2007-01-03  Josh Conner  <jconner@apple.com>
11992
11993         PR middle-end/29683
11994         * calls.c (compute_argument_addresses): Set stack and stack_slot
11995         for partial args, too.
11996         (store_one_arg): Use locate.size.constant for the size when
11997         generating a save_area.
11998
11999 2007-01-03  Robert Kennedy <jimbob@google.com>
12000
12001         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12002         whose definitions are deleted due to basic block merging.
12003
12004 2007-01-03  Paul Brook  <paul@codesourcery.com>
12005
12006         PR target/16634
12007         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12008         functions.
12009         (use_return_insn): Return 0 for Thumb interrupt functions.
12010         (print_multi_reg): Add rfe argument for IRQ returns.
12011         (arm_output_epilogue): Pop interrupt return address directly into PC.
12012         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12013
12014 2007-01-03  Paul Brook  <paul@codesourcery.com>
12015
12016         Merge from sourcerygxx-4_1.
12017         * config/arm/thumb2.md: New file.
12018         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12019         Thumb-2.
12020         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12021         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12022         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12023         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12024         tables.
12025         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12026         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12027         comptibility.
12028         * config/arm/ieee754-sf.S: Ditto.
12029         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12030         (thumb1_base_register_rtx_p): ... to this.
12031         (thumb_index_register_rtx_p): Rename...
12032         (thumb1_index_register_rtx_p): ... to this.
12033         (thumb_output_function_prologue): Rename...
12034         (thumb1_output_function_prologue): ... to this.
12035         (thumb_legitimate_address_p): Rename...
12036         (thumb1_legitimate_address_p): ... to this.
12037         (thumb_rtx_costs): Rename...
12038         (thumb1_rtx_costs): ... to this.
12039         (thumb_compute_save_reg_mask): Rename...
12040         (thumb1_compute_save_reg_mask): ... to this.
12041         (thumb_final_prescan_insn): Rename...
12042         (thumb1_final_prescan_insn): ... to this.
12043         (thumb_expand_epilogue): Rename...
12044         (thumb1_expand_epilogue): ... to this.
12045         (arm_unwind_emit_stm): Rename...
12046         (arm_unwind_emit_sequence): ... to this.
12047         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12048         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12049         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12050         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12051         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12052         thumb2_output_casesi): New functions.
12053         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12054         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12055         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12056         THUMB2_WORK_REGS): Define.
12057         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12058         arm_condexec_mask, arm_condexec_masklen)): New variables.
12059         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12060         (arm_override_options): Check new CPU capabilities.
12061         Set new architecture flag variables.
12062         (arm_isr_value): Handle v7m interrupt functions.
12063         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12064         Thumb-2.
12065         (const_ok_for_arm): Handle Thumb-2 constants.
12066         (arm_gen_constant): Ditto.  Use movw when available.
12067         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12068         functions.
12069         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12070         (thumb_find_work_register, arm_load_pic_register,
12071         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12072         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12073         print_multi_reg, output_mov_long_double_fpa_from_arm,
12074         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12075         output_mov_double_fpa_from_arm, output_move_double,
12076         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12077         output_return_instruction, arm_output_function_prologue,
12078         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12079         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12080         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12081         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12082         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12083         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12084         '!' and 'L'.
12085         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12086         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12087         (arm_file_start): Output directive for unified syntax.
12088         (arm_unwind_emit_set): Handle stack alignment instruction.
12089         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12090         Add v6t2, v7, v7a, v7r and v7m.
12091         (RETLDM): Add Thumb-2 code.
12092         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12093         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12094         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12095         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12096         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12097         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12098         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12099         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12100         ADJUST_INSN_LENGTH): Define.
12101         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12102         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12103         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12104         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12105         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12106         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12107         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12108         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12109         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12110         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12111         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12112         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12113         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12114         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12115         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12116         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12117         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12118         cortex-m3.
12119         * config/arm/arm-tune.md: Regenerate.
12120         * config/arm/arm-protos.h: Update prototypes.
12121         * config/arm/vfp.md: Enable patterns for Thumb-2.
12122         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12123         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12124         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12125         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12126         * config/arm/libunwind.S: Add Thumb-2 code.
12127         * config/arm/constraints.md: Update include Thumb-2.
12128         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12129         * config/arm/ieee754-df.S: Ditto.
12130         * config/arm/bpabi.S: Ditto.
12131         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12132         * config/arm/predicates.md (low_register_operand,
12133         low_reg_or_int_operand, thumb_16bit_operator): New.
12134         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12135         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12136         * config/arm/t-arm-elf: Add armv7 multilib.
12137         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12138         Include thumb2.md.
12139         (UNSPEC_STACK_ALIGN, ce_count): New.
12140         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12141         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12142         insns/expanders.
12143         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12144         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12145         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12146         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12147         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12148         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12149         insns.
12150         * doc/extend.texi: Document ARMv7-M interrupt functions.
12151         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12152
12153 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12154
12155         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12156         (struct _Unwind_Context): Rename args_size to flags, remove
12157         signal_frame field, add a new args_size field and version field.
12158         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12159         _Unwind_IsExtendedContext): New inline functions.
12160         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12161         Assume by_value array is only present if _Unwind_IsExtendedContext.
12162         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12163         _Unwind_IsSignalFrame.
12164         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12165         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12166         (uw_init_context_1): Initialize context->flags to
12167         EXTENDED_CONTEXT_BIT.
12168         * config/rs6000/linux-unwind.h (frob_update_context): Use
12169         _Unwind_SetSignalFrame.
12170
12171 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12172
12173         PR middle-end/30353
12174         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12175         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12176         the value.
12177
12178 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12179
12180         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12181         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12182         RET, AT_SP): Remove.
12183         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12184         instead of RET.
12185
12186         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12187         * cfgbuild.c (find_basic_blocks): Likewise.
12188         * cfgrtl.c (rtl_create_basic_block): Likewise.
12189         * function.c (temp_slots_at_level): Likewise.
12190         * reg-stack.c (stack_regs_mentioned): Likewise.
12191         * regclass.c (allocate_reg_info): Likewise.
12192         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12193         set_bb_for_stmt, move_block_to_fn): Likewise.
12194         * tree-complex.c (tree_lower_complex): Likewise.
12195         * vec.h (VEC_safe_grow_cleared): New.
12196
12197         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12198
12199 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12200
12201         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12202         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12203         to loop_version.
12204         * cfgloopmanip.c (scale_loop_frequencies): Export.
12205         (loopify): Scale the frequencies by prescribed coefficients.
12206         (set_zero_probability): New function.
12207         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12208         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12209         and frequencies according to arguments.
12210         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12211         correctly.
12212         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12213         * modulo-sched.c (sms_schedule): Set probabilities for entering
12214         versioned loop correctly.
12215         * tree-vect-transform.c (vect_transform_loop): Ditto.
12216         * cfgloop.h (loopify, loop_version): Declaration changed.
12217         (scale_loop_frequencies): Declared.
12218
12219 2007-01-02  Jan Hubicka  <jh@suse.cz>
12220
12221         * cgraph.c: Include tree-flow.h
12222         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12223         early_local_passes.
12224         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12225         * tree-pass.h (pass_all_early_optimizations): Declare.
12226         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12227         early_local_passes.
12228         (cgraph_analyze_function): Do early_local_passes.
12229         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12230         Do not add referenced vars.
12231         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12232         SSA form.
12233         (gate_all_early_local_passes): New gate.
12234         (pass_early_local_passes): Use new gate.
12235         (execute_early_local_optimizations): New functions.
12236         (gate_all_early_optimizations): New gate.
12237         (pass_all_early_optimizations): New pass.
12238         (execute_free_datastructures): Free SSA only when initialized.
12239         (gate_init_datastructures): Init only when optimizing.
12240         (tree_lowering_passes): Do early local passes when called late.
12241         * tree-profile.c (do_tree_profiling): Don't profile functions added
12242         late.
12243         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12244         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12245         not active.
12246         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12247         during early_local_passes.
12248         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12249
12250
12251 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12252
12253         * Makefile.in: Update copyright year.
12254
12255 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12256
12257         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12258         in $(lang_checks) and check-consistency targets.
12259
12260 2007-01-02  Jan Hubicka  <jh@suse.cz>
12261
12262         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12263         Do not add referenced vars.
12264         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12265         are not active.
12266         * passes.c (init_optimization_passes): Put mudflap_2 after
12267         free_datastructures.
12268
12269 2007-01-02  Jan Hubicka  <jh@suse.cz>
12270
12271         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12272         Set NOTHROW flag on call statements proved to be nothrow.
12273         Update statement of local calls so new pure/const functions are
12274         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12275         goto receivers.
12276         (tree_rest_of_compilation): Register hooks and initialize bitmap
12277         early. Do not set after_inlining flag.
12278
12279 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12280
12281         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12282         HOST_BITS_PER_LONGLONG
12283
12284 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12285
12286         PR c/19977
12287         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12288         warning for non-static initializers.
12289
12290 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12291
12292         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12293         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12294         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12295         Always use set_unique_reg_note to add REG_EQUAL notes.
12296
12297 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12298
12299         Revert:
12300         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12301
12302         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12303         * cfgbuild.c (find_basic_blocks): Likewise.
12304         * cfgrtl.c (rtl_create_basic_block): Likewise.
12305         * function.c (temp_slots_at_level): Likewise.
12306         * reg-stack.c (stack_regs_mentioned): Likewise.
12307         * regclass.c (allocate_reg_info): Likewise.
12308         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12309         set_bb_for_stmt, move_block_to_fn): Likewise.
12310         * tree-complex.c (tree_lower_complex): Likewise.
12311         * vec.h (VEC_safe_grow_cleared): New.
12312
12313 2007-01-02  Ian Lance Taylor  <iant@google.com>
12314
12315         * c-common.c (c_common_truthvalue_conversion): When warning about
12316         using an assignment as a truth value, set TREE_NO_WARNING.
12317
12318 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12319
12320         PR middle-end/7651
12321         * c.opt (Wold-style-declaration): New.
12322         * doc/invoke.texi (C-only Warning Options): New.
12323         (Wold-style-declaration): Document it.
12324         (Wextra): Enabled by -Wextra.
12325         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12326         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12327         -Wold-style-declaration.
12328
12329 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12330
12331         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12332         * cfgbuild.c (find_basic_blocks): Likewise.
12333         * cfgrtl.c (rtl_create_basic_block): Likewise.
12334         * function.c (temp_slots_at_level): Likewise.
12335         * reg-stack.c (stack_regs_mentioned): Likewise.
12336         * regclass.c (allocate_reg_info): Likewise.
12337         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12338         set_bb_for_stmt, move_block_to_fn): Likewise.
12339         * tree-complex.c (tree_lower_complex): Likewise.
12340         * vec.h (VEC_safe_grow_cleared): New.
12341
12342 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12343
12344         * c-common.c (c_common_nodes_and_builtins): Since variants of
12345         void_type_node get built before it is given a name, we need to
12346         give those variants the name, too.
12347         (complete_array_type): We need to work with the canonical main
12348         type of the array, from which we will build the qualified version.
12349         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12350         * print-tree.c (print_node): Display canonical type information
12351         for each type.
12352         * stor-layout.c (layout_type): When we don't know the
12353         alignment of a type for which we're building an array, we end up
12354         guessing wrong, so make the type require structural equality.
12355         * tree.c (make_node_stat): When we build a new type, it is its
12356         own canonical type.
12357         (build_type_attribute_qual_variant): When building an attribute
12358         variant, its canonical type is the non-attribute variant. However,
12359         if the attributes are target-dependent and they differ, we need to
12360         use structural equality checks for this type.
12361         (build_qualified_type): A qualified type is not equivalent to its
12362         unqualified variant; set the canonical type appropriately.
12363         (build_distinct_type_copy): When building a distinct type from
12364         another type, the new type is its own canonical type.
12365         (build_variant_type_copy): When building a new type variant, we
12366         assume that it is equivalent to the original type.
12367         (build_pointer_type_for_mode): When building a pointer type, also
12368         build a canonical type pointer.
12369         (build_reference_type_for_mode): When building a reference type,
12370         also build a canonical type reference.
12371         (build_index_type): When we can't hash an index type (e.g.,
12372         because its maximum value is negative), the index type requires
12373         structural equality tests.
12374         (build_array_type): Build the canonical form of an array type.
12375         (build_function_type): Function types require structural equality,
12376         because they contain default arguments, attributes, etc.
12377         (build_method_type_directly): Ditto for method types.
12378         (build_offset_type): Build the canonical offset type.
12379         (build_complex_type): Build the canonical vector type.
12380         (make_vector_type): Build the canonical vector type.
12381         * tree.h (TYPE_CANONICAL): New.
12382         (TYPE_STRUCTURAL_EQUALITY_P): New.
12383         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12384         (struct tree_type): Added "canonical" field.
12385         * params.h (VERIFY_CANONICAL_TYPES): New.
12386         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12387         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12388         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12389         * doc/invoke.texi (verify-canonical-types): Document --param
12390         parameter for verifying canonical types.
12391
12392 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12393
12394         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12395         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12396         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12397         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12398         tm_file.
12399         * config/rs6000/e500.h: New.
12400         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12401         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12402         Remove.
12403         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12404         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12405         TARGET_E500_DOUBLE): Remove.
12406         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12407         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12408         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12409         * config/rs6000/rs6000.c (rs6000_override_options): Use
12410         CHECK_E500_OPTIONS.
12411
12412 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12413
12414         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12415         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12416         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12417         rs6000_emit_cmove): Don't check TARGET_E500.
12418         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12419         sordered): Don't check TARGET_E500.
12420
12421 2007-01-01  Eric Christopher  <echristo@apple.com>
12422
12423         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12424         HARD_REGISTER_NUM_P.
12425
12426 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12427
12428         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12429         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12430         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12431         eq/ne Y".
12432
12433 2007-01-01  Mike Stump  <mrs@apple.com>
12434
12435         * configure.ac: Remove support for building with Apple's gcc-3.1.
12436
12437 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12438
12439         PR middle-end/30311
12440         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12441         REG is a hard register.  Do not modify REG before calling
12442         subreg_nregs.
12443         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12444         multiple of the size of YMODE for certain lowpart cases.
12445
12446 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12447
12448         PR middle-end/30253
12449         * gimplify (voidify_wrapper_expr): Update for
12450         GIMPLE_MODIFY_STMT.
12451
12452 2007-01-01  Andreas Schwab  <schwab@suse.de>
12453
12454         PR target/29166
12455         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12456         save of BR0 in extra_spill_size instead of spill_size.
12457         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12458         area.
12459         (ia64_expand_epilogue): Restore BR0 from its new location.
12460
12461 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12462
12463         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12464         Use a temporary variable if the left hand side is not a gimple
12465         register.
12466
12467 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12468
12469         * gimplify.c (gimplify_return_expr): Make the temporary variable
12470         for the return expression, a gimple register variable.
12471
12472 2007-01-01  Jan Hubicka  <jh@suse.cz>
12473
12474         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12475         INSN_LIST.
12476
12477 2007-01-01  Mike Stump  <mrs@apple.com>
12478
12479         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12480         .literal16.
12481         * config/darwin.c (machopic_select_rtx_section): Use
12482         HAVE_GAS_LITERAL16.
12483         (darwin_mergeable_constant_section): Likewise.
12484         * configure: Regenerate.
12485         * config.in: Regenerate.
12486
12487 2007-01-01  Jan Hubicka  <jh@suse.cz>
12488             Andrew Pinski  <pinskia@gmail.com>
12489
12490         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12491         before starting IPA passes.