gcc/ChangeLog

   1 2007-05-02  Richard Guenther  <rguenther@suse.de>
   2
   3         PR tree-optimization/31146
   4         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
   5         argument, single_use_p.  If we have a single use that is
   6         a conversion to the definition rhs type, propagate that rhs.
   7         (forward_propagate_addr_expr): Pass single_use_p argument
   8         to forward_propagate_addr_expr_1.
   9
  10 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
  11
  12         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
  13         variable.
  14
  15 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  16
  17         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
  18         'AMD Family 10 core'.
  19
  20 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  21
  22         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
  23         and athlon64-sse3 as improved versions of k8, opteron and athlon64
  24         with SSE3 instruction set support.
  25         * doc/invoke.texi: Likewise.
  26
  27 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  28
  29         * config/i386/i386.c (override_options): Tuning 32-byte loop
  30         alignment for amdfam10 architecture. Increasing the max loop
  31         alignment to 24 bytes.
  32
  33 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
  34
  35         * config/m68k/constraints.md: New.
  36         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
  37         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
  38         EXTRA_CONSTRAINT): Remove.
  39         * config/m68k/m68k.md: Include constraints.md.
  40         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
  41
  42 2007-05-01  Ian Lance Taylor  <iant@google.com>
  43
  44         PR tree-optimization/31739
  45         * tree-vrp.c (vrp_val_is_max): New static function.
  46         (vrp_val_is_min): New static function.
  47         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
  48         copying the node.
  49         (set_value_range): Use vrp_val_is_{max,min}.
  50         (extract_range_from_assert): Likewise.
  51         (extract_range_from_binary_expr): Likewise.
  52         (extract_range_from_unary_expr): Likewise.
  53         (dump_value_range, vrp_meet): Likewise.
  54         (vrp_visit_phi_node): Likewise.
  55         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
  56
  57 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
  58
  59         * config/i386/gmon-sol2.c (size_t): New type.
  60         (intptr_t): Likewise.
  61         (s_textsize): Declare as size_t.
  62         (sbrk): Declare.
  63         (monstartup): Use size_t for sizes.
  64         (_mcount): Save and restore registers.
  65         (internal_mcount): Pass 0 as the first argument to monstartup
  66         in 64-bit mode.
  67         (moncontrol): Convert pointer to appropriately sized integer
  68         before passing to profil.
  69
  70 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
  71
  72         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
  73         __NO_FPRS__, not just if _SOFT_DOUBLE.
  74         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
  75         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
  76         also for E500 double.
  77         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
  78         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
  79         && !TARGET_FPRS).
  80
  81 2007-05-01  Richard Guenther  <rguenther@suse.de>
  82
  83         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
  84         is NULL.
  85
  86 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
  87
  88         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
  89
  90 2007-05-01  Jan Hubicka  <jh@suse.cz>
  91
  92         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
  93         invariant.
  94
  95 2007-05-01  Jan Hubicka  <jh@suse.cz>
  96
  97         * tree.h (maybe_fold_offset_to_component_ref): Remove.
  98         (maybe_fold_offset_to_reference): Declare.
  99         * fold-const.c (fold_unary): Do not fold
 100         (type *)&A into &A->field_of_type_and_offset_0
 101         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
 102         size is unknown, give up.
 103         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
 104         offsets.
 105         (maybe_fold_offset_to_reference): New.
 106         (maybe_fold_stmt_indirect): Use it.
 107         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
 108         * gimplify.c (gimplify_conversion): Canonicalize conversions to
 109         field references.
 110         (gimplify_expr): Likewise for plus_expr.
 111
 112 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
 113
 114         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
 115         bsi_after_labels.  Always insert statements before bsi.
 116         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
 117         * predict.c (apply_return_prediction): Check for empty blocks.
 118         * cfgexpand.c (lab_rtx_for_bb): New variable.
 119         (label_rtx_for_bb): Do not create new tree labels.
 120         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
 121         (tree_expand_cfg): Initialize lab_rtx_for_bb.
 122         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
 123         creating edges.
 124         (label_for_bb): Add field used.
 125         (update_eh_label, main_block_label): Mark the label used.
 126         (cleanup_dead_labels): Remove unused labels.
 127
 128 2007-05-01  Richard Guenther  <rguenther@suse.de>
 129
 130         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
 131         if it is not about to be set.
 132         (get_value_range): Do not pre-allocate equiv bitmap.
 133         (update_value_range): No need to clear equiv field.
 134         (add_equivalence): Change prototype to get bitmap pointer.
 135         Allocate bitmap here if it is not already.
 136         (extract_range_from_assert): Do not allocate bitmap here.
 137         Update callers to add_equivalence.
 138         (extract_range_from_ssa_name): Likewise.
 139         (get_vr_for_comparison): New static helper.
 140         (compare_name_with_value): Handle NULL equiv bitmap by
 141         peeling the first iteration of the comparison loop.
 142         Use get_vr_for_comparison.
 143         (compare_names): Handle NULL equiv bitmaps by using fake
 144         ones.  Use get_vr_for_comparison.
 145
 146 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
 147
 148         * double-int.c (mpz_set_double_int): Moved from
 149         tree-ssa-loop-niter.c.
 150         (mpz_get_double_int): Likewise; also, add option to wrap
 151         out-of-range integers.
 152         * double-int.h: New prototypes for above.
 153         * tree.c (get_static_type_bounds): Moved from
 154         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
 155         TYPE_MAX_VALUE if they exist..
 156         * tree.h: New prototype for above.
 157         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
 158         get_type_bounds calls.
 159         (mpz_set_double_int): Move to double-int.c.
 160         (get_type_bounds): Move to tree.c, rename to
 161         get_static_type_bounds.
 162         (mpz_to_double_int): Move to double-int.c, rename to
 163         mpz_get_double_int.
 164
 165 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
 166
 167         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
 168         DIV0 exception can fall through to a normal return.
 169
 170 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
 171
 172         PR middle-end/22156
 173         Temporarily revert:
 174         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
 175         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
 176         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 177         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
 178         initialize align to silence bogus warning.
 179         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 180         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
 181         all_no_warning.
 182         (struct sra_walk_fns): Remove use_all parameter from use.
 183         (sra_hash_tree): Handle BIT_FIELD_REFs.
 184         (sra_elt_hash): Don't hash bitfld blocks.
 185         (sra_elt_eq): Skip them in parent compares as well.  Handle
 186         BIT_FIELD_REFs.
 187         (sra_walk_expr): Don't maintain or pass down use_all_p.
 188         (scan_use): Remove use_all parameter.
 189         (scalarize_use): Likewise.  Re-expand assignment to
 190         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
 191         output, and re-scalarize after output.  Don't mark anything
 192         for no warning.
 193         (scalarize_ldst): Adjust.
 194         (scalarize_walk_gimple_modify_statement): Likewise.
 195         (build_element_name_1): Handle BIT_FIELD_REFs.
 196         (instantiate_element): Don't warn for any element whose parent
 197         is used as a whole.
 198         (instantiate_missing_elements_1): Return the sra_elt.
 199         (canon_type_for_field): New.
 200         (try_instantiate_multiple_fields): New.
 201         (instantiate_missing_elemnts): Use them.
 202         (mark_no_warning): Removed.
 203         (generate_one_element_ref): Handle BIT_FIELD_REFs.
 204         (REPLDUP, sra_build_elt_assignment): New.
 205         (generate_copy_inout): Use them.
 206         (generate_element_copy): Likewise.  Handle bitfld differences.
 207         (generate_element_zero): Don't recurse for blocks.  Use
 208         sra_build_elt_assignment.
 209         (generate_one_element_int): Take elt instead of var.  Use
 210         sra_build_elt_assignment.
 211         (generate_element_init_1): Adjust.
 212         (scalarize_use, scalarize_copy): Use REPLDUP.
 213         (scalarize_ldst): Move assert before dereference.
 214         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
 215
 216 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 217
 218         PR C++/31721
 219         * tree.c (reconstruct_complex_type): Reconstruct a reference
 220         correctly.
 221         Also use the same mode for the pointer as the old pointer type.
 222
 223 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 224
 225         * doc/trouble.texi (Interoperation): Remove note about Ultrix
 226         Fortran compiler.
 227
 228 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
 229
 230         PR rtl-optimization/31676
 231         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
 232         (df_refs_record): Call it.
 233
 234 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 235
 236         * rtl.def (SS_ABS): New code.
 237         * config/bfin/bfin.c (print_operand): New modifier 'v'.
 238         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
 239         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
 240         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
 241         (bfin_init_builtins): Define them.
 242         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
 243         (bfin_expand_builtin): ... and handle the others here.
 244         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
 245         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
 246         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
 247         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
 248         operand is only HImode.
 249
 250 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
 251
 252         * regclass.c (scan_one_insn): Remove splitting of
 253         two address insns.
 254
 255 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
 256             Nigel Stephens  <nigel@mips.com>
 257
 258         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
 259
 260 2007-04-28  Jan Hubicka  <jh@suse.cz>
 261
 262         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
 263         insn_locators_alloc instead of insn_locators_initialize;
 264         call reset_block_changes.
 265         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 266         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
 267         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
 268         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 269         * config/score/score.c (th_output_mi_thunk): Likewise.
 270         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 271         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
 272         tolerate uninitialized locator info.
 273
 274         Re-apply:
 275         * function.c (init_function_start): Don't init line number info.
 276         (expand_function_end): Update.
 277         (reset_block_changes, record_block_change, finalize_block_changes,
 278         check_block_change, free_block_changes): Kill.
 279         * function.h (reset_block_changes, record_block_change,
 280         finalize_block_changes, check_block_change, free_block_changes): Remove
 281         prototypes.
 282         (struct function): Remove ib_boundaries_block.
 283         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 284         Use curr_insn_locator to initialize locator.
 285         (emit_line_note): Remove.
 286         * cfgexpand.c (expand_gimple_cond_expr): Update.
 287         (construct_exit_block): Likewise.
 288         (tree_expand_cfg): Initialize/finalize locators.
 289         * expr.c (expand_expr_real): Update.
 290         * cfglayout.c (line_locators_locs, line_locators_lines,
 291         file_locators_locs, file_locators_files): Remove.
 292         (set_block_levels): Move to cfgexpand.c.
 293         (insn_locators_initialize): Remove.
 294         (pass_insn_locators_initialize): Remove.
 295         (locations_locators_locs, locations_locators_vals): New static vars.
 296         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 297         Likewise.
 298         (insn_locators_alloc, insn_locators_finalize,
 299         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 300         New functions.
 301         (locator_location): New.
 302         (locator_line, locator_file): Rewrite.
 303         * rtl.h (emit_line_note): Kill.
 304         (insn_locators_alloc, insn_locators_finalize,
 305         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 306         Declare.
 307         * tree-inline.c (initialize_cfun): Do not initialize
 308         ib_boundaries_block.
 309         * passes.c (pass_insn_locators_initialize): Remove.
 310
 311 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
 312
 313         * tree-cfg.c (move_block_to_fn): Release bb from dominance
 314         info.  Update last_basic_block correctly.
 315
 316 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
 317
 318         PR target/31701
 319         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
 320         register itself to hold the offset constant.  Tell flow the use
 321         of r4 and r5 when they are used.
 322
 323 2007-04-27  Richard Guenther  <rguenther@suse.de>
 324
 325         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
 326         if we simplified anything.
 327         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
 328         warnings until we did a simplification and the stmt was not
 329         marked as TREE_NO_WARNING.
 330
 331 2007-04-27  Mike Stump  <mrs@apple.com>
 332
 333         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
 334
 335 2007-04-27  Ian Lance Taylor  <iant@google.com>
 336
 337         PR middle-end/31710
 338         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
 339         TYPE_MAX_VALUE exist, convert them to the new type.
 340
 341 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 342
 343         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
 344         if it claims to be available.
 345         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
 346         edge is redirected.
 347         (perform_tree_ssa_dce): Always free postdominators.
 348
 349 2007-04-27  Richard Henderson  <rth@redhat.com>
 350
 351         * config/alpha/predicates.md (aligned_memory_operand): Mark
 352         as define_special_predicate.
 353         (unaligned_memory_operand, normal_memory_operand): Likewise.
 354         (reg_or_unaligned_mem_operand): Remove.
 355         (any_memory_operand): Match the documentation and check for
 356         non-renumbered pseudos during reload.
 357         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
 358         alpha_secondary_reload_class, update to new interface, make static.
 359         Handle CQImode like HImode.  Remove FP subreg check.
 360         (alpha_expand_mov): Use replace_equiv_address.
 361         (alpha_expand_mov_nobwx): Use any_memory_operand.
 362         (TARGET_SECONDARY_RELOAD): New.
 363         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
 364         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 365         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
 366         * config/alpha/alpha.md: ... here.
 367         (RELOAD12, reloadmode): New.
 368         (movcqi): New.
 369         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
 370         Don't handle the aligned case here.
 371         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
 372         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
 373         reload_inhi_help.  Don't expect a scratch register.
 374         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
 375         reload_outhi_help.
 376         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
 377
 378 2007-04-27  Richard Guenther  <rguenther@suse.de>
 379
 380         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
 381
 382 2007-04-27  Richard Guenther  <rguenther@suse.de>
 383
 384         PR tree-optimization/30965
 385         PR tree-optimization/30978
 386         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
 387         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
 388         (find_equivalent_equality_comparison): Likewise.
 389         (simplify_cond): Likewise.
 390         (get_prop_source_stmt): New helper.
 391         (get_prop_dest_stmt): Likewise.
 392         (can_propagate_from): Likewise.
 393         (remove_prop_source_from_use): Likewise.
 394         (combine_cond_expr_cond): Likewise.
 395         (forward_propagate_comparison): New function.
 396         (forward_propagate_into_cond): Rewrite to use fold for
 397         tree combining.
 398         (tree_ssa_forward_propagate_single_use_vars): Call
 399         forward_propagate_comparison to propagate comparisons.
 400
 401 2007-04-27  Richard Guenther  <rguenther@suse.de>
 402
 403         PR tree-optimization/31715
 404         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
 405         sure to do computation on the offset in an appropriate
 406         signed type.
 407
 408 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
 409
 410         * reload.h (elimination_target_reg_p): Declare.
 411         * reload.c (find_reloads): Don't apply the reg_rtx move
 412         optimization if the SET_DEST satisfies elimination_target_reg_p.
 413         * reload1.c (elimination_target_reg_p): New function.
 414         (gen_reload): In the move/add2 fallback, make sure that op0
 415         does not overlap the destination register.
 416
 417 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 418
 419         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
 420         transform only GIMPLE_MODIFY_STMTs.
 421         * tree-complex.c (expand_complex_operations_1): Ditto.
 422         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
 423         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
 424         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
 425         branches.
 426         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
 427         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
 428         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
 429         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
 430         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
 431         slpeel_add_loop_guard): Ditto.
 432         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
 433         * lambda-code.c (perfect_nestify): Ditto.
 434         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
 435         before the first statement.
 436         * tree-optimize.c (execute_free_datastructures): Fix comments.
 437         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
 438         * tree-flow.h (disband_implicit_edges): Declaration removed.
 439         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
 440         branches.
 441         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
 442         without gotos.
 443         (disband_implicit_edges, has_label_p): Removed.
 444         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
 445         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
 446         branches.
 447         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
 448         side effects.
 449         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
 450         also for COND_EXPRs.
 451         * cfgexpand.c (label_rtx_for_bb): New function.
 452         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
 453         Use label_rtx_for_bb to find the labels.
 454         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
 455         last block.  Detect fallthru edges.
 456
 457 2007-04-26  Ian Lance Taylor  <iant@google.com>
 458
 459         PR target/28675
 460         * reload.c (find_reloads_subreg_address): If the address was valid
 461         in the original mode but not in the new mode, reload the whole
 462         address.
 463
 464 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 465
 466         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
 467         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
 468         (cleanup_control_expr_graph): Do not invalidate dominance info.
 469         Record altered blocks.
 470         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
 471         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
 472         cleanup_tree_cfg_bb): New functions.
 473         (remove_forwarder_block): Do not maintain the worklist of blocks.
 474         Record altered blocks.
 475         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
 476         not over whole cfg.
 477         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
 478         delete_unreachable_blocks if dominators are not available.
 479         * tree-inline.c (optimize_inline_calls): Free dominance information
 480         earlier.
 481         * tree-flow.h (remove_edge_and_dominated_blocks,
 482         cfgcleanup_altered_bbs): Altered.
 483         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
 484         blocks.
 485         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
 486         functions.
 487         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
 488         do not invalidate dominators.
 489
 490 2007-04-26  Anatoly Sokolov <aesok@post.ru>
 491
 492         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
 493         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
 494         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
 495         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
 496
 497 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
 498
 499         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
 500
 501 2007-04-26  Richard Guenther  <rguenther@suse.de>
 502
 503         PR tree-optimization/31703
 504         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
 505         the right type for the target of the bittest.
 506
 507 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 508
 509         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
 510         ix86_sol10_return_in_memory.
 511
 512 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 513
 514         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
 515         variables.
 516
 517 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
 518
 519         PR c++/31598
 520         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
 521
 522         PR tree-optimization/30558
 523         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
 524         clear this_state.prev_try.
 525
 526 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 527             Mark Mitchell  <mark@codesourcery.com>
 528
 529         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
 530         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
 531         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
 532
 533 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 534
 535         PR driver/31107
 536         * doc/invoke.texi (%:print-asm-header): Document.
 537         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
 538         and -ftarget-help.
 539         (static_spec_functions): Add print-asm-header.
 540         (main): Print a banner before the --target-help linker options.
 541         (print_asm_header_spec_function): New function.
 542
 543 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 544
 545         PR target/31403
 546         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
 547         (movsf_ie): Likewise.
 548
 549 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
 550
 551         * doc/extend.texi ([Type Traits]): Adjust per N2255.
 552
 553 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
 554
 555         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
 556         for divide-by-zero.
 557         (__umodsi3, __modsi3): Likewise.
 558
 559 2007-04-25  Dirk Mueller  <dmueller@suse.de>
 560
 561         * c-typeck.c (build_compound_expr): Annotate warning()
 562         call with OPT_Wunused_value.
 563         * tree-ssa.c (warn_uninit): Annotate warning with
 564         OPT_Wunintialized.
 565         * c-common.c (handle_sentinel_attribute): Annotate warning
 566         call with OPT_Wattributes.
 567
 568 2007-04-25  Thiemo Seufer  <ths@mips.com>
 569
 570         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
 571         (mips16): Fix typo.
 572         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
 573         on to the assembler.  Improve handling of -mno-mips16.  Add handling
 574         of -mno-mips3d, -mno-dsp, -mno-dspr2.
 575         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
 576         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
 577         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
 578
 579 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
 580
 581         PR target/31680
 582         * config/i386/winnt.c (i386_pe_file_end): Strip only
 583         USER_LABEL_PREFIX when writing export name.
 584
 585 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
 586
 587         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
 588         sh/elf.h, vx-common.h and vxworks.h.
 589         * config/sh/sh.h: Include config/vxworks-dummy.h.
 590         (SUBTARGET_OVERRIDE_OPTIONS): Define.
 591         (OVERRIDE_OPTIONS): Use it.
 592         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
 593         (vxworks_picreg): New pattern.
 594         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
 595         VXWORKS_OS_CPP_BUILTINS.
 596         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
 597         to their VXWORKS_* equivalents.
 598         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
 599         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
 600         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
 601         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
 602         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
 603         -mrtp/-fPIC multilibs.
 604         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
 605         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
 606         (MULTILIB_OSDIRNAMES): Delete.
 607
 608 2007-04-25  Anatoly Sokolov <aesok@post.ru>
 609
 610         PR target/18989
 611         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
 612
 613 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
 614
 615         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
 616         rounding mode to be specified by the caller.
 617         (real_to_mpfr) Likewise.
 618         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
 619         include new arguments.
 620         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
 621
 622 2007-04-24  Ian Lance Taylor  <iant@google.com>
 623
 624         PR tree-optimization/31605
 625         * tree-vrp.c (set_value_range): Check that min and max are not
 626         both overflow infinities.
 627         (set_value_range_to_value): New static function.
 628         (extract_range_from_binary_expr): Call set_value_range_to_value.
 629         (extract_range_from_cond_expr): Likewise.
 630         (extract_range_from_expr): Likewise.
 631         (extract_range_from_unary_expr): Likewise.  Don't create a range
 632         which overflows on both sides.
 633         (vrp_meet): Check for a useless range.
 634         (vrp_visit_phi_node): If we see a constant which looks like an
 635         overflow infinity, turn off the TREE_OVERFLOW flag.
 636
 637 2007-04-24  Ian Lance Taylor  <iant@google.com>
 638
 639         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
 640
 641 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
 642
 643         PR diagnostic/25923
 644         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
 645         diagnostic message is being built.
 646         * tree-pretty-print.c (dump_generic_node): Only write the
 647         formatted text into BUFFER's stream if we are not building a
 648         diagnostic message.
 649         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
 650         dump_generic_node.
 651         * Makefile.in (toplev.o): Depend on tree-pass.h.
 652
 653 2007-04-24  Ian Lance Taylor  <iant@google.com>
 654
 655         PR tree-optimization/31602
 656         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
 657         conditionals in the copied loop header.
 658         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
 659         warnings if TREE_NO_WARNING is set.
 660         * doc/invoke.texi (Warning Options): Clarify that
 661         -Wstrict-overflow does not warn about loops.
 662
 663 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
 664
 665         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
 666         expand on the comment about _Decimal128 arguments and check the
 667         integer result of the modulus operation; for 64-bit ELF ABI, ensure
 668         that _Decimal128 argument uses even/odd register pair.
 669         (function_arg): Ditto.
 670
 671 2007-04-24  Hui-May Chang <hm.chang@apple.com>
 672
 673         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
 674         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
 675
 676 2007-04-24  Richard Guenther  <rguenther@suse.de>
 677             Olga Golovanevsky  <olga@il.ibm.com>
 678
 679         * fold-const.c (multiple_of_p): Check for bottom
 680         to be zero.
 681
 682 2007-04-24  Richard Henderson  <rth@redhat.com>
 683
 684         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
 685         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
 686         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
 687         looking for non-zero bits shifted out.  Avoid a recursive call
 688         when constructing the scalar.
 689         (__floatundisf): Likewise.
 690
 691 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
 692
 693         * dwarf2out.c (field_byte_offset): Move the existing logic
 694         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
 695         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
 696
 697 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 698
 699         PR target/31641
 700         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
 701         argument of 0 for memset.
 702         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
 703         unsigned shift instead of the signed variant.
 704
 705 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 706
 707         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
 708         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
 709         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
 710         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
 711         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
 712         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
 713         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
 714         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
 715         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
 716         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
 717         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
 718         "mul<mode>3", "div<mode>3"): Insn definitions added.
 719         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
 720         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
 721         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
 722         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
 723         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
 724         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
 725         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
 726         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
 727         TARGET_FLOAT_FORMAT): Macro definitions removed.
 728         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
 729         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
 730         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
 731         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
 732         (s390_gen_rtx_const_DI): Function removed.
 733         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
 734
 735 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
 736
 737         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
 738         over an external ffs function.
 739
 740 2007-04-24  Chao-ying Fu  <fu@mips.com>
 741             Richard Sandiford  <richard@nildram.co.uk>
 742
 743         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
 744         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
 745         (smadd_widen_optab, umadd_widen_optab): Define.
 746         * optabs.c (init_optabs): Initialize smadd_widen_optab and
 747         umadd_widen_optab.
 748         * genopinit.c (optabs): Fill in smadd_widen_optab and
 749         umadd_widen_optab.
 750         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
 751         and umadd_widen_optab to implement multiply-add sequences.
 752         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
 753         (<u>maddsidi4): ...this.  Extend condition to include
 754         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
 755         of operand 0 to "ka" and use the three-operand form of madd<u>
 756         for TARGET_DSPR2.
 757         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
 758         to define_expands.
 759         * config/mips/constraints.md (ka): New register constraint.
 760
 761 2007-04-24  Jan Hubicka  <j@suse.cz>
 762
 763         Revert:
 764
 765         2007-04-23  Jan Hubicka  <jh@suse.cz>
 766         * function.c (init_function_start): Don't init line number info.
 767         (expand_function_end): Update.
 768         (reset_block_changes, record_block_change, finalize_block_changes,
 769         check_block_change, free_block_changes): Kill.
 770         * function.h (reset_block_changes, record_block_change,
 771         finalize_block_changes, check_block_change, free_block_changes): Remove
 772         prototypes.
 773         (struct function): Remove ib_boundaries_block.
 774         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 775         Use curr_insn_locator to initialize locator.
 776         (emit_line_note): Remove.
 777         * cfgexpand.c (expand_gimple_cond_expr): Update.
 778         (construct_exit_block): Likewise.
 779         (tree_expand_cfg): Initialize/finalize locators.
 780         * expr.c (expand_expr_real): Update.
 781         * cfglayout.c (line_locators_locs, line_locators_lines,
 782         file_locators_locs, file_locators_files): Remove.
 783         (set_block_levels): Move to cfgexpand.c.
 784         (insn_locators_initialize): Remove.
 785         (pass_insn_locators_initialize): Remove.
 786         (locations_locators_locs, locations_locators_vals): New static vars.
 787         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 788         Likewise.
 789         (insn_locators_alloc, insn_locators_finalize,
 790         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 791         New functions.
 792         (locator_location): New.
 793         (locator_line, locator_file): Rewrite.
 794         * rtl.h (emit_line_note): Kill.
 795         (insn_locators_alloc, insn_locators_finalize,
 796         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 797         Declare.
 798         * tree-inline.c (initialize_cfun): Do not initialize
 799         ib_boundaries_block.
 800         * passes.c (pass_insn_locators_initialize): Remove.
 801
 802 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
 803
 804         * doc/invoke.texi: Removed leading '-' from option index entries.
 805
 806 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
 807
 808         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
 809         Use phi_nodes_ptr.
 810         (create_phi_node): Use set_phi_nodes.
 811         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
 812         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
 813         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
 814         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
 815         (bsi_start, bsi_last): Use bb_stmt_list.
 816         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
 817         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
 818         Traverse the statements using tsi iterator.
 819         * basic-block.h (struct basic_block_def): Fields stmt_list
 820         and phi_nodes moved to ...
 821         (struct tree_bb_info): ... new structure.
 822         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
 823         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
 824         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
 825         (tree_verify_flow_info): Verify that il.tree is not set for
 826         entry and exit block.
 827         (tree_split_block): Use set_bb_stmt_list.
 828
 829 2007-04-23  Mike Stump  <mrs@apple.com>
 830
 831         * config/i386/i386.c (ix86_tune_features
 832         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
 833         nocona and core2.
 834
 835 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 836
 837         * config/i386/i386.md (prefix_extra): New attribute.
 838         (length): Add prefix_extra.
 839
 840         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
 841         (sse2_movntv2di): Likewise.
 842         (sse2_cvtps2dq): Likewise.
 843         (sse2_cvtpd2pi): Likewise.
 844         (sse2_cvttpd2pi): Likewise.
 845         (*sse2_cvtpd2ps): Likewise.
 846         (*add<mode>3): Likewise.
 847         (sse2_ssadd<mode>3): Likewise.
 848         (sse2_usadd<mode>3): Likewise.
 849         (*sub<mode>3): Likewise.
 850         (sse2_sssub<mode>3): Likewise.
 851         (sse2_ussub<mode>3): Likewise.
 852         (*mulv8hi3): Likewise.
 853         (*smulv8hi3_highpart): Likewise.
 854         (*umulv8hi3_highpart): Likewise.
 855         (sse2_umulv2siv2di3): Likewise.
 856         (sse2_pmaddwd): Likewise.
 857         (ashr<mode>3): Likewise.
 858         (lshr<mode>3): Likewise.
 859         (ashl<mode>3): Likewise.
 860         (sse2_ashlti3): Likewise.
 861         (sse2_lshrti3): Likewise.
 862         (*umaxv16qi3): Likewise.
 863         (*smaxv8hi3): Likewise.
 864         (*uminv16qi3): Likewise.
 865         (*sminv8hi3): Likewise.
 866         (sse2_eq<mode>3): Likewise.
 867         (sse2_gt<mode>3): Likewise.
 868         (*and<mode>3): Likewise.
 869         (sse2_nand<mode>3): Likewise.
 870         (*ior<mode>3): Likewise.
 871         (*xor<mode>3): Likewise.
 872         (sse2_packsswb): Likewise.
 873         (sse2_packssdw): Likewise.
 874         (sse2_packuswb): Likewise.
 875         (sse2_punpckhbw): Likewise.
 876         (sse2_punpcklbw): Likewise.
 877         (sse2_punpckhwd): Likewise.
 878         (sse2_punpcklwd): Likewise.
 879         (sse2_punpckhdq): Likewise.
 880         (sse2_punpckldq): Likewise.
 881         (sse2_punpckhqdq): Likewise.
 882         (sse2_punpcklqdq): Likewise.
 883         (*sse2_pinsrw): Likewise.
 884         (*sse2_pextrw): Likewise.
 885         (sse2_pshufd_1): Likewise.
 886         (sse2_uavgv16qi3): Likewise.
 887         (sse2_uavgv8hi3): Likewise.
 888         (sse2_psadbw): Likewise.
 889         (sse2_pmovmskb): Likewise.
 890         (*sse2_maskmovdqu): Likewise.
 891         (*sse2_maskmovdqu_rex64): Likewise.
 892         (sse4a_extrqi): Likewise.
 893         (sse4a_extrq): Likewise.
 894         (sse3_lddqu): Set prefix_rep.
 895         (sse3_addsubv4sf3): Likewise.
 896         (sse3_haddv4sf3): Likewise.
 897         (sse3_hsubv4sf3): Likewise.
 898         (sse_cvtss2si): Likewise.
 899         (sse_cvtss2si_2): Likewise.
 900         (sse_cvtss2siq): Likewise.
 901         (sse_cvtss2siq_2): Likewise.
 902         (sse_cvttss2si): Likewise.
 903         (sse_cvttss2siq): Likewise.
 904         (sse2_cvttps2dq): Likewise.
 905         (sse3_movshdup): Likewise.
 906         (sse3_movsldup): Likewise.
 907         (sse2_cvtsd2si): Likewise.
 908         (sse2_cvtsd2si_2): Likewise.
 909         (sse2_cvtsd2siq): Likewise.
 910         (sse2_cvtsd2siq_2): Likewise.
 911         (sse2_cvttsd2si): Likewise.
 912         (sse2_cvttsd2siq): Likewise.
 913         (*sse2_cvtpd2dq): Likewise.
 914         (*sse2_cvttpd2dq): Likewise.
 915         (sse2_pshuflw_1): Likewise.
 916         (sse2_pshufhw_1): Likewise.
 917         (sse4a_insertqi): Likewise.
 918         (sse4a_insertq): Likewise.
 919         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
 920         (ssse3_phadddv4si3): Likewise.
 921         (ssse3_phaddswv8hi3): Likewise.
 922         (ssse3_phsubwv8hi3): Likewise.
 923         (ssse3_phsubdv4si3): Likewise.
 924         (ssse3_phsubswv8hi3): Likewise.
 925         (ssse3_pmaddubswv8hi3): Likewise.
 926         (ssse3_pmulhrswv8hi3): Likewise.
 927         (ssse3_pshufbv16qi3): Likewise.
 928         (ssse3_psign<mode>3): Likewise.
 929         (ssse3_palignrti): Likewise.
 930         (abs<mode>2): Likewise.
 931         (ssse3_phaddwv4hi3): Set prefix_extra.
 932         (ssse3_phadddv2si3): Likewise.
 933         (ssse3_phaddswv4hi3): Likewise.
 934         (ssse3_phsubwv4hi3): Likewise.
 935         (ssse3_phsubdv2si3): Likewise.
 936         (ssse3_phsubswv4hi3): Likewise.
 937         (ssse3_pmaddubswv4hi3): Likewise.
 938         (ssse3_pmulhrswv4hi3): Likewise.
 939         (ssse3_pshufbv8qi3): Likewise.
 940         (ssse3_psign<mode>3): Likewise.
 941         (ssse3_palignrdi): Likewise.
 942         (abs<mode>2): Likewise.
 943         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
 944         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
 945         (sse2_pmovmskb): Set mode to SI instead of V2DF.
 946
 947 2007-04-23  Nick Clifton  <nickc@redhat.com>
 948
 949         * params.def: Fix formatting of emacs local variables.
 950
 951 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 952
 953         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
 954         move if inter-unit move isn't allowed.
 955         Don't split moving the first element of V2DI to DI to inter-unit
 956         move if inter-unit move isn't allowed.
 957
 958 2007-04-23  Richard Guenther  <rguenther@suse.de>
 959
 960         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
 961         and CDI_POST_DOMINATORS separately.
 962
 963 2007-04-23  Nick Clifton  <nickc@redhat.com>
 964
 965         * c.opt (Wformat-contains-nul): Add warning attribute.
 966
 967 2007-04-23  Jan Hubicka  <jh@suse.cz>
 968
 969         * function.c (init_function_start): Don't init line number info.
 970         (expand_function_end): Update.
 971         (reset_block_changes, record_block_change, finalize_block_changes,
 972         check_block_change, free_block_changes): Kill.
 973         * function.h (reset_block_changes, record_block_change,
 974         finalize_block_changes, check_block_change, free_block_changes): Remove
 975         prototypes.
 976         (struct function): Remove ib_boundaries_block.
 977         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 978         Use curr_insn_locator to initialize locator.
 979         (emit_line_note): Remove.
 980         * cfgexpand.c (expand_gimple_cond_expr): Update.
 981         (construct_exit_block): Likewise.
 982         (tree_expand_cfg): Initialize/finalize locators.
 983         * expr.c (expand_expr_real): Update.
 984         * cfglayout.c (line_locators_locs, line_locators_lines,
 985         file_locators_locs, file_locators_files): Remove.
 986         (set_block_levels): Move to cfgexpand.c.
 987         (insn_locators_initialize): Remove.
 988         (pass_insn_locators_initialize): Remove.
 989         (locations_locators_locs, locations_locators_vals): New static vars.
 990         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 991         Likewise.
 992         (insn_locators_alloc, insn_locators_finalize,
 993         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 994         New functions.
 995         (locator_location): New.
 996         (locator_line, locator_file): Rewrite.
 997         * rtl.h (emit_line_note): Kill.
 998         (insn_locators_alloc, insn_locators_finalize,
 999         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1000         Declare.
1001         * tree-inline.c (initialize_cfun): Do not initialize
1002         ib_boundaries_block.
1003         * passes.c (pass_insn_locators_initialize): Remove.
1004
1005 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1006
1007         PR middle-end/31448
1008         * expr.c (reduce_to_bit_field_precision): Handle
1009         CONST_INT rtx's.
1010
1011 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1012
1013         PR tree-optimization/24659
1014         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1015         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1016         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1017         * genopinit.c (optabs): Rename vec_pack_mod_optab
1018         to vec_pack_trunc_optab.
1019         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1020         early for scalar floating point operands for NOP_EXPR.
1021         (vectorizable_type_promotion): Ditto.
1022         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1023         vec_pack_trunc_optab.
1024         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1025
1026         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1027         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1028         Rename from VEC_PACK_MOD_EXPR.
1029         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1030         * expr.c (expand_expr_real_1): Ditto.
1031         * tree-inline.c (estimate_num_insns_1): Ditto.
1032         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1033
1034         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1035         (vec_unpacks_lo_v4sf): Ditto.
1036         (vec_pack_trunc_v2df): Ditto.
1037         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1038         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1039         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1040
1041         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1042         vec_pack_mod_v8hi.
1043         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1044
1045         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1046         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1047         packing of floating point operands.
1048         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1049         represent unpacking of floating point operands.
1050         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1051         [vec_unpacks_hi]: Ditto.
1052         [vec_unpacks_lo]: Ditto.
1053
1054 2007-04-22  Jan Hubicka  <jh@suse.cz>
1055
1056         * final.c (rest_of_handle_final): Call
1057         targetm.asm_out.constructor/targetm.asm_out.destructor
1058         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1059         proper priority via decl_*_priority_insert.
1060         * c-common.c (c_expand_body): Likewise.
1061
1062 2007-04-22  Richard Guenther  <rguenther@suse.de>
1063
1064         PR tree-optimization/29789
1065         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1066         (rewrite_reciprocal): New helper split out from
1067         determine_invariantness_stmt.
1068         (rewrite_bittest): Likewise.
1069         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1070         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1071         is not.
1072
1073 2007-04-22  Revital Eres  <eres@il.ibm.com>
1074
1075         * loop-unroll.c (var_to_expand): New field to support also
1076         insns of the form x = something + x.
1077         (analyze_insn_to_expand_var): Use it.
1078         (expand_var_during_unrolling): Likewise.
1079
1080 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1081
1082         * predict.c: Include pointer-set.h.
1083         (bb_predictions): New variable.
1084         (tree_predicted_by_p, tree_predict_edge,
1085         remove_predictions_associated_with_edge): Use bb_predictions map
1086         instead of bb->predictions.
1087         (clear_bb_predictions, assert_is_empty): New functions.
1088         (combine_predictions_for_bb): Use bb_predictions map.  Call
1089         clear_bb_predictions.
1090         (tree_estimate_probability): Create and free bb_predictions map.
1091         * Makefile.in (predict.o): Add pointer-set.h dependency.
1092         * basic-block.h (struct basic_block_def): Remove predictions
1093         field.
1094         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1095
1096 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1097
1098         PR target/31480
1099         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1100         is null.
1101
1102 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1103
1104         * timevar.c (timevar_print): Change reference of --disable-checking to
1105         --enable-checking=release.  Also warn if assert checking is disabled.
1106
1107 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1108
1109         PR C/30265
1110         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1111         decl as addressable if the compound literal was marked as
1112         addressable.
1113         Mark the decl as a gimple register if it is a complex or
1114         vector decl and does not live in memory.
1115
1116 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1117
1118         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1119         (GENERIC_NEXT): New function macro.
1120         (PHI_CHAIN): Use phi_node's new chain variable.
1121         (tree_phi_node): Change tree_common to tree_base
1122         and add the chain field.
1123         * tree-phinodes.c (make_phi_node): Don't set
1124         TREE_TYPE on the new node.
1125         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1126         instead of checking GIMPLE_TUPLE_P in chain_next.
1127         * tree-vect-transform.c
1128         (get_initial_def_for_induction): Look at
1129         PHI_RESULT_TREE for the type of the phi node.
1130         (update_vuses_to_preheader): Use PHI_CHAIN
1131         instead of TREE_CHAIN on the phi node.
1132         * tree-ssa-structalias.c (compute_points_to_sets):
1133         Likewise.
1134         (ipa_pta_execute): Likewise.
1135
1136 2007-04-21  Richard Guenther  <rguenther@suse.de>
1137
1138         PR middle-end/31136
1139         * fold-const.c (fold_unary): Call fold_convert_const on the
1140         original tree.
1141
1142 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1143
1144         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1145         (store_killed_in_pat): New.
1146
1147 2007-04-20  Richard Henderson  <rth@redhat.com>
1148
1149         PR target/31628
1150         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1151         TREE_LIST with a void_type_node value, not void_list_node exactly.
1152
1153 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1154
1155         * doc/standards.texi: Re-arrange into language-specific
1156         subsections. Add a C++ section, documenting which standards we
1157         support.
1158
1159 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1160
1161         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1162         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1163
1164 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1165
1166         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1167         ecrti.o and crtbegin.o.
1168         (LIB_DEFAULT_SPEC): Include -lc.
1169         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1170
1171 2007-04-20  Richard Henderson  <rth@redhat.com>
1172
1173         PR target/28623
1174         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1175         argument; update all callers.
1176         (get_unaligned_offset): New.
1177         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1178         get_unaligned_address, just pass on the address directly.
1179         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1180         the subreg in the helper patterns.
1181         (unaligned_extendqidi_le): Use get_unaligned_offset.
1182         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1183         (unaligned_extendhidi_be): Likewise.
1184         (unaligned_extendhidi): Tidy.
1185         * config/alpha/alpha-protos.h: Update.
1186
1187 2007-04-20  Richard Henderson  <rth@redhat.com>
1188
1189         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1190         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1191         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1192         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1193         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1194         (CPP_SPEC): Don't include %(cpp_subtarget).
1195         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1196         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1197         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1198
1199 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1200
1201         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1202         for __builtin_ia32_cmpordss.
1203
1204         PR tree-optimization/31632
1205         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1206         and arg1 for optimizations of comparison against min/max values.
1207         Fold arg0 to arg1's type for optimizations of comparison against
1208         min+1 and max-1 values.
1209
1210 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1211
1212         * reload.c (combine_reloads): When trying to use a dying register,
1213         check whether it's uninitialized and don't use if so.
1214
1215 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1216
1217         * fold-const.c: Remove prototypes for native_encode_expr and
1218         native_interpret_expr.
1219         (native_encode_expr): Make non-static.
1220         (native_interpret_expr): Likewise.
1221         * tree.h: Add prototypes for the above.
1222
1223 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1224
1225         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1226         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1227         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1228         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1229         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1230         Add length attributes.
1231
1232 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1233
1234         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1235         not that it is 1.
1236
1237         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1238         __STDC_WANT_DEC_FP__.
1239
1240 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1241
1242         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1243         for long double compatibility.
1244         * configure: Regenerate.
1245
1246 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1247
1248         PR rtl-optimization/29841
1249         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1250         trap instructions.
1251         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1252         that may cause control flow transfer from being moved.
1253
1254 2007-04-18  Jan Hubicka  <jh@suse.cz>
1255
1256         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1257         types.
1258
1259 2007-04-18  Eric Christopher  <echristo@apple.com>
1260
1261         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1262         only. Update operands.
1263         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1264         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1265         link register to pic register.
1266
1267 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1268
1269         PR diagnostic/31227
1270         * tree-vrp.c (search_for_addr_array): New.
1271         (check_array_bounds): Suppress warning about
1272         address taken of array refs if its not de-referenced.
1273
1274 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1275
1276         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1277         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1278
1279         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1280         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1281         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1282
1283         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1284         dump print.
1285         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1286         print message.
1287         (vect_analyze_scalar_cycles): Fix indentation.
1288         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1289         (vect_mark_relevant): Include phis in relevance analysis.
1290
1291         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1292
1293 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1294
1295         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1296         output_operand_lossage().
1297
1298 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1299
1300         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1301         the unused code for reduction without adjust-in-epilog to simplify the
1302         function.
1303
1304 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1305
1306         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1307         (S390_TDC_NEGATIVE_ZERO): New constant.
1308         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1309         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1310         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1311         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1312         (S390_TDC_POSITIVE_INFINITY): New constant.
1313         (S390_TDC_NEGATIVE_INFINITY): New constant.
1314         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1315         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1316         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1317         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1318         (S390_TDC_INFINITY): New constant.
1319         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1320         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1321         optimization for UNSPEC_CCZ_TO_INT.
1322         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1323         ("*ccz_to_int"): New insn.
1324         ("isinf<mode>2"): New insn.
1325         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1326         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1327         (UNSPEC_CCZ_TO_INT): New constant.
1328
1329 2007-04-18  Richard Guenther  <rguenther@suse.de>
1330
1331         PR tree-optimization/19431
1332         PR tree-optimization/21463
1333         * tree-pass.h (pass_phiprop): Declare.
1334         * passes.c (init_optimization_passes): New phiprop pass.
1335         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1336         (phivn_valid_p): New helper function.
1337         (phiprop_insert_phi): Likewise.
1338         (propagate_with_phi): Likewise.
1339         (tree_ssa_phiprop): New propagator propagating loads
1340         through phi nodes if profitable.
1341
1342 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1343
1344         * tree-vect-analyze.c (process_use): New function.
1345         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1346         Check phis in all bbs.
1347         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1348         assert.
1349
1350 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1351
1352         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1353         we use REG_EQUAL.
1354
1355 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1356
1357         PR target/30483
1358         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1359         error().
1360
1361 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1362
1363         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1364         on "0".
1365         (sse_vmmulv4sf3): Likewise.
1366         (sse2_vmaddv2df3): Likewise.
1367         (sse2_vmmulv2df3): Likewise.
1368
1369 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1370
1371         PR rtl-optimization/31360
1372         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1373         (target_reg_cost): New.
1374         (init_set_costs): Initialize target_reg_cost.  Add comments
1375         regarding the rationale of the costs.
1376         (global_cost_for_size): Renamed to...
1377         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1378         of register pressure.
1379         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1380         estimate_reg_pressure_cost.  Add number of ivs.
1381         (determine_set_costs): Dump target_reg_cost.
1382         * loop-invariant.c (gain_for_invariant):  Use
1383         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1384         (best_gain_for_invariant, find_invariants_to_move): Remove
1385         n_inv_uses.
1386         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1387         (target_reg_cost): Declare.
1388         (global_cost_for_size): Declaration removed.
1389         (estimate_reg_pressure_cost): Declare.
1390
1391 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1392
1393         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1394         regnos into even/odd register pairs.
1395         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1396         TDmode similar to the other floating point modes.
1397         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1398         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1399         define_expand's.
1400         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1401         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1402         (movdd_hardfloat64): Use TARGET_MFPGPR.
1403
1404 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1405
1406         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1407
1408         Revert
1409         2005-01-05  Richard Henderson  <rth@redhat.com>
1410         PR rtl-opt/10692
1411         * reload1.c (do_input_reload): Restrict the optimization deleteing
1412         a previous output reload to RELOAD_FOR_INPUT.
1413
1414 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1415
1416         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1417         induc_vec_info_type.
1418         (vectorizable_induction): New function declaration.
1419         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1420         check if already vectorized.  Find first place in BB where new stmts
1421         can be inserted.  Takes only one argument.
1422         (vectorizable_induction): New function.
1423         (vect_transform_stmt): Add case for induc_vec_info_type to call
1424         vectorizable_induction.
1425         (vect_transform_loop): Consider phis for vectorization.
1426         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1427         condition.
1428         (analyze_operations): Call vectorizable_induction when analyzing phis.
1429         Fix comment.
1430         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1431         (vect_mark_relevant): Include phis in relevance analysis.
1432         (vect_mark_stmts_to_be_vectorize): Likewise.
1433         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1434
1435 2007-04-16  Lawrence Crowl  <crowl@google.com>
1436
1437         * doc/invoke.texi (Debugging Options): Add documentation for the
1438         -femit-struct-debug options -femit-struct-debug-baseonly,
1439         -femit-struct-debug-reduced, and
1440         -femit-struct-debug-detailed[=...].
1441
1442         * c-opts.c (c_common_handle_option): Add
1443         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1444         and OPT_femit_struct_debug_detailed_.
1445         * c.opt: Add specifications for
1446         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1447         and -femit-struct-debug-detailed[=...].
1448         * opts.c (set_struct_debug_option): Parse the
1449         -femit-struct-debug-... options.
1450         * opts.c (matches_main_base, main_input_basename,
1451         main_input_baselength, base_of_path, matches_main_base): Add
1452         variables and functions to compare header base name to compilation
1453         unit base name.
1454         * opts.c (should_emit_struct_debug): Add to determine to emit a
1455         structure based on the option.
1456         (dump_struct_debug) Also disabled function to debug this
1457         function.
1458         * opts.c (handle_options): Save the base name of the
1459         compilation unit.
1460
1461         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1462         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1463         This hook indicates if a type is generic.  Set it by default
1464         to "never generic".
1465         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1466         to determine if a struct type is generic or not.
1467         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1468         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1469         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1470         with live C++ hook.
1471
1472         * flags.h (enum debug_info_usage): Add an enumeration to describe
1473         a program's use of a structure type.
1474         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1475         to indicate the program's usage of the type.  Filter structs based
1476         on the -femit-struct-debug-... specification.
1477         (gen_type_die): Split into two routines, gen_type_die and
1478         gen_type_die_with_usage.  gen_type_die is now a wrapper
1479         that assumes direct usage.
1480         (gen_type_die_with_usage): Replace calls to gen_type_die
1481         with gen_type_die_with_usage adding the program usage of
1482         the referenced type.
1483         (dwarf2out_imported_module_or_decl): Suppress struct debug
1484         information using should_emit_struct_debug when appropriate.
1485
1486 2007-04-16  Ian Lance Taylor  <iant@google.com>
1487
1488         PR tree-optimization/31522
1489         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1490         (vrp_initialize): Allocate vr_phi_edge_counts.
1491         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1492         executable edge.  Drop test for all constants.
1493         (vrp_finalize): Free vrp_phi_edge_counts.
1494
1495         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1496         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1497
1498         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1499         predecessors at head rather than tail.
1500
1501 2007-04-16  Matthias Klose  <doko@debian.org>
1502
1503         * config/alpha/linux.h (CPP_SPEC): Define.
1504         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1505
1506 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1507
1508         * function.h: Remove sequence_stack extern declaration.
1509
1510 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1511
1512         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1513         TARGET_FIDOA.
1514         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1515         defined.
1516
1517 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1518
1519         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1520         (enum avr_arch): Add.
1521         (avr_mcu_types): Use avr_arch enumeration constants instead of
1522         numbers.
1523         * config/avr/avr.h (LINK_SPEC): Simplify.
1524
1525 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1526
1527         * config/m68k/m68k.c (m68k_libcall_value,
1528         m68k_function_value): Use macros for register names more.
1529
1530         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1531         instead.
1532         (M68K_REGNAME): Use A6_REG.
1533         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1534
1535 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1536
1537         PR middle-end/28071
1538         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1539         'pending_read_list_length' and 'pending_write_list_length'.  Update
1540         comment.
1541         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1542         to handle two length counters instead of one.  Update all uses.
1543         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1544         two length counters instead of one.
1545         * sched-rgn.c (propagate_deps): Update to handle two length counters
1546         instead of one.
1547
1548 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1549
1550         PR target/31582
1551         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1552         copy of source, pass it to ix86_expand_vector_set and return
1553         it as target.
1554
1555 2007-04-16  David Ung  <davidu@mips.com>
1556             Joseph Myers  <joseph@codesourcery.com>
1557
1558         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1559         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1560         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1561         Add 74K processor information.
1562         * config/mips/mips.md: Include 74k.md.
1563         (cpu): Add 74kc,74kf,74kx.
1564         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1565         * config/mips/74k.md: New.
1566         * doc/invoke.texi (MIPS Options): Document 74K support.
1567
1568 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1569
1570         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1571         vectorizable_* functions.
1572         * tree-vect-transform.c (vectorizable_call): Add check for
1573         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1574         (vectorizable_store): likewise.
1575         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1576         Add comments.
1577         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1578         (vectorizable_type_promotion, vectorizable_load): Likewise.
1579         (vectorizable_live_operation, vectorizable_condition): Likewise.
1580         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1581         STMT_VINFO_LIVE_P.
1582         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1583
1584 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1585
1586         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1587         register numbers more.
1588         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1589         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1590         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1591         FUNCTION_VALUE_REGNO_P): Likewise.
1592         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1593         STATIC_CHAIN_REGNUM): Likewise.
1594         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1595         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1596         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1597         * config/m68k/m68k.md (FP_REG): New.
1598
1599 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1600
1601         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1602         alignment on fido.
1603
1604 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1605
1606         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1607         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1608         comment typos.
1609
1610 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1611
1612         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1613         cold loops.
1614
1615 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1616
1617         PR c/31520
1618         * c-decl.c (finish_decl): Grab the type of the decl after the call
1619         to store_init_value.
1620
1621 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1622
1623         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1624
1625 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1626
1627         PR c++/25874
1628         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1629         post dominators and cleanup cfg before returning.
1630
1631 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1632
1633         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1634         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1635
1636 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1637
1638         * config.gcc: Recognize fido.
1639         * config/m68k/m68k-devices.def (fidoa): New.
1640         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1641         __mfido__.
1642         (FL_FIDOA, TARGET_FIDOA): New.
1643         * config/m68k/m68k.opt (mfidoa): New.
1644
1645 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1646
1647         PR middle-end/31322
1648         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1649         when a personality function is used.
1650
1651 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1652
1653         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1654
1655 2007-04-13  Mike Stump  <mrs@apple.com>
1656
1657         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1658         we can...
1659         * config/darwin.opt (fapple-kext): Make C++ only.
1660         * config/darwin.c (darwin_override_options): Remove code to ensure
1661         -fapple-kext is given for C++ only.
1662
1663 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1664
1665         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1666         * config/mips/mips.c (override_options): Call
1667         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1668
1669 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1670
1671         * config/i386/i386.opt (msvr3-shlib): Removed.
1672
1673         * doc/invoke.texi: Remove -msvr3-shlib.
1674
1675 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1676
1677         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1678         with "popcnt" instruction.
1679
1680 2007-04-13  Richard Guenther  <rguenther@suse.de>
1681
1682         PR tree-optimization/21258
1683         * tree-vrp.c (compare_case_labels): New helper.
1684         (find_switch_asserts): New function.
1685         (find_assert_locations): Call it for SWITCH_EXPRs.
1686
1687 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1688
1689         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1690         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1691         check is now implied in X87_FLOAT_MODE_P.
1692         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1693         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1694         (fix_trunc<mode>_i386_fisttp): Ditto.
1695         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1696         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1697         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1698         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1699         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1700         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1701         (unnamed_splitters): Ditto.
1702         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1703         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1704         FIRST_SSE_REG for local functions when SSE math is enabled or
1705         for functions with sseregparm attribute.
1706         (standard_80387_constant_p): Return -1 if mode is not
1707         X87_FLOAT_MODE_P.
1708         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1709         (ix86_expand_compare): Ditto.
1710         (ix86_expand_carry_flag_compare): Ditto.
1711         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1712         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1713         DECIMAL_FLOAT_MODE_P.
1714         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1715         of SCALAR_FLOAT_MODE_P.
1716         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1717         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1718         checks before FLOAT_MODE_P.
1719         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1720         before FLOAT_MODE_P.
1721         [DIV]: Ditto.
1722         [NEG]: Ditto.
1723         [ABS]: Ditto.
1724         [SQRT]: Ditto.
1725         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1726
1727 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1728             Charles Wilson  <libtool@cwilson.fastmail.fm>
1729
1730         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1731         (libgcc.mvars): Don't depend on them.
1732         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1733         * exec-tool.in: New.
1734
1735 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1736
1737         * doc/invoke.text (--help): Document --help=common.
1738
1739 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1740
1741         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1742
1743 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1744
1745         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1746         * genemit.c (main): Emit #include "integrate.h".
1747         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1748         (LOADGP_RTP): New mips_loadgp_style.
1749         * config/mips/mips.h: Include config/vxworks-dummy.h.
1750         (TARGET_RTP_PIC): New macro.
1751         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1752         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1753         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1754         for TARGET_RTP_PIC.
1755         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1756         -mvxworks-pic when using -mrtp and a PIC option.
1757         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1758         for RTP PIC.
1759         (mips_symbolic_constant_p, mips_symbolic_address_p)
1760         (mips_symbol_insns): Handle SYMBOL_HALF.
1761         (override_options): Warn about -G and -mrtp being used together.
1762         Initialize mips_lo_relocs[SYMBOL_HALF].
1763         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1764         (mips_emit_loadgp): Handle LOADGP_RTP.
1765         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1766         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1767         (tablejump): Handle function-relative case table entries if
1768         TARGET_RTP_PIC.
1769         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1770
1771 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1772
1773         * config/mips/mips.md (load_call<mode>): Allow any general register.
1774         destination.
1775         (sibcall_value_internal, sibcall_value_multiple_internal)
1776         (call_value_internal, call_value_split, call_value_multiple_internal)
1777         (call_value_multiple_split): Remove constraints from operand 0.
1778
1779 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1780
1781         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1782         rather than loadgp_noshared.
1783         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1784         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1785         gen_loadgp.
1786         * config/mips/mips.md (loadgp): Rename to...
1787         (loadgp_newabi): ...this.
1788         (loadgp_noshared): Rename to...
1789         (loadgp_absolute): ...this.
1790
1791 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1792
1793         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1794         false for locally-binding symbols.
1795         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1796
1797 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1798
1799         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1800         (SYMBOL_GOT_PAGE_OFST): ...this.
1801         (SYMBOL_GOT_GLOBAL): Rename to...
1802         (SYMBOL_GOT_DISP): ...this.
1803         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1804         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1805         * config/mips/mips.c (mips_global_symbol_p): New function.
1806         (mips_symbol_binds_local_p): Likewise.
1807         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1808         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1809         and mips_symbol_binds_local_p.
1810         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1811         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1812         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1813         SYMBOL_GOTOFF_DISP.
1814         (mips_ok_for_lazy_binding_p): New function.
1815         (mips_load_call_address, mips_expand_call): Use it.
1816         (mips_dangerous_for_la25_p): Likewise.
1817         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1818         (*got_disp<mode>): Use got_disp_operand instead of
1819         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1820         SYMBOL_GOTOFF_GLOBAL.
1821         (*got_page<mode>): Use got_page_ofst_operand instead of
1822         local_got_operand.
1823         * config/mips/predicates.md (const_call_insn_operand): Use
1824         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1825         (global_got_operand): Rename to...
1826         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1827         SYMBOL_GOT_GLOBAL.
1828         (local_got_operand): Rename to...
1829         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1830         of SYMBOL_GOT_LOCAL.
1831
1832 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1833
1834         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1835         TARGET_CALL_CLOBBERED_GP.
1836         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1837         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1838         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1839         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1840         of TARGET_ABICALLS && !TARGET_NEWABI.
1841         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1842         * config/mips/mips.c (mips_load_call_address): Check
1843         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1844         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1845         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1846         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1847         TARGET_ABICALLS && TARGET_NEWABI.
1848         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1849         TARGET_ABICALLS.
1850         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1851         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1852         TARGET_ABICALLS && TARGET_NEWABI.
1853         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1854         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1855         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1856         whether indirect calls must use $25.
1857         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1858         TARGET_ABICALLS.
1859         * config/mips/mips.md (jal_macro): Check flag_pic and
1860         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1861         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1862         instead of TARGET_ABICALLS.
1863         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1864         TARGET_ABICALLS && TARGET_OLDABI.
1865         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1866         (sibcall): In the comment above the define_insn, mention
1867         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1868         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1869         instead of TARGET_ABICALLS.
1870
1871 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1872
1873         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1874         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1875         (MACFLAGS_MATCH_P): New macro.
1876         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1877         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1878         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1879         the other MACFLAG constants.
1880         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1881         (flag_machi): Tighten constraints.  Renumber some of the operands.
1882         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1883         output template.
1884         (flag_machi_parts_acconly): New pattern.
1885         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1886         used.
1887         (flag_macinit1hi): Tighten constraints.
1888         (flag_mul_macv2hi_parts_acconly): New pattern.
1889
1890         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1891         Use a more efficient implementation.
1892         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1893         inline sequences when not optimizing for size.
1894
1895         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1896         movhi_high2low): Delete, merge functionality into...
1897         (packv2hi): ... this pattern.
1898
1899         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1900         * config/bfin/bfin.opt (msim): New option.
1901         (mcpu=): New option.
1902         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1903         (bfin_cpu_t): Typedef of enum bfin_cpu.
1904         (bfin_cpu_type): New declaration.
1905         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1906         -msim and -mcpu= options.
1907         (LIB_SPEC): Likewise.
1908         * config/bfin/bfin.c (bfin_cpu_type): Define.
1909         (bfin_handle_option): Handle -mcpu= option.
1910         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1911         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1912         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1913
1914 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1915
1916         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1917         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1918         (powerpc-wrs-vxworksae): Use ${tm_file}.
1919         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1920         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1921         * config/i386/vx-common.h: New file.
1922
1923 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1924
1925         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1926         of crt0.o%s.
1927
1928 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1929
1930         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1931         ldxtr.
1932
1933 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1934
1935         PR c++/31078
1936         PR c++/31103
1937         * c-common.c (c_build_qualified_type): Set canonical type
1938         appropriately.
1939
1940 2007-04-12  Richard Guenther  <rguenther@suse.de>
1941
1942         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1943         lower bound and element size if lower bound is not zero
1944         or either of the ARRAY_REF operands is set.
1945
1946 2007-04-12  Richard Guenther  <rguenther@suse.de>
1947
1948         PR tree-optimization/24689
1949         PR tree-optimization/31307
1950         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1951         indices by value.
1952         * gimplify.c (canonicalize_addr_expr): To be consistent with
1953         gimplify_compound_lval only set operands two and three of
1954         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1955         it never at this place.
1956         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1957
1958 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1959
1960         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1961         null before emitting a .nsubspa directive.
1962
1963 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1964
1965         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1966         need_to_partition_p if there are no memory statements in the
1967         function.
1968
1969 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1970
1971         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1972         (gcd_of_steps_may_divide_p): New function.
1973         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1974
1975 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1976
1977         * reload.c (find_reloads_toplev, find_reloads_address,
1978         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1979         not a pointer equality test, to decide if we need to call
1980         push_reg_equiv_alt_mem.
1981
1982 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
1983
1984         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1985         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1986         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1987
1988 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1989
1990         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1991         vector to be positive.
1992
1993 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1994
1995         PR 30735
1996         PR 31090
1997         * doc/invoke.texi: Document --params max-aliased-vops and
1998         avg-aliased-vops.
1999         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2000         debug_memory_partitions): Move to tree-flow.h
2001         * params.h (AVG_ALIASED_VOPS): Define.
2002         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2003         users.
2004         (mp_info_t): Likewise.
2005         (get_mem_sym_stats_for): New.
2006         (set_memory_partition): Move from tree-flow-inline.h.
2007         (mark_non_addressable): Only clear the set of symbols for the
2008         partition if it exists.
2009         (dump_memory_partitions): Move from tree-ssa-operands.c
2010         (debug_memory_partitions): Likewise.
2011         (need_to_partition_p): New.
2012         (dump_mem_ref_stats): New.
2013         (debug_mem_ref_stats): New.
2014         (dump_mem_sym_stats): New.
2015         (debug_mem_sym_stats): New.
2016         (update_mem_sym_stats_from_stmt): New.
2017         (compare_mp_info_entries): New.
2018         (mp_info_cmp): Call it.
2019         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2020         objects.
2021         (get_mpt_for): Move from tree-ssa-operands.c.
2022         (find_partition_for): New.
2023         (create_partition_for): Remove.
2024         (estimate_vop_reduction): New.
2025         (update_reference_counts): New.
2026         (build_mp_info): New.
2027         (compute_memory_partitions): Refactor.
2028         Document new heuristic.
2029         Call build_mp_info, update_reference_counts,
2030         find_partition_for and estimate_vop_reduction.
2031         (compute_may_aliases): Populate virtual operands before
2032         calling debugging dumps.
2033         (delete_mem_sym_stats): New.
2034         (delete_mem_ref_stats): New.
2035         (init_mem_ref_stats): New.
2036         (init_alias_info): Call it.
2037         (maybe_create_global_var): Remove alias_info argument.
2038         Get number of call sites and number of pure/const call sites
2039         from gimple_mem_ref_stats().
2040         (dump_alias_info): Call dump_memory_partitions first.
2041         (dump_points_to_info_for): Show how many times a pointer has
2042         been dereferenced.
2043         * opts.c (decode_options): For -O2 set --param
2044         max-aliased-vops to 500.
2045         For -O3 set --param max-aliased-vops to 1000 and --param
2046         avg-aliased-vops to 3.
2047         * fortran/options.c (gfc_init_options): Remove assignment to
2048         MAX_ALIASED_VOPS.
2049         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2050         * tree-dfa.c (dump_variable): Dump memory reference
2051         statistics.
2052         Dump NO_ALIAS* settings.
2053         (referenced_var_lookup): Tidy.
2054         (mem_sym_stats): New.
2055         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2056         and ORIG are different SSA names for a memory partition.
2057         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2058         * tree-flow.h (struct mem_sym_stats_d): Define.
2059         (mem_sym_stats_t): Define.
2060         (struct mem_ref_stats_d): Define.
2061         (struct gimple_df): Add field mem_ref_stats.
2062         (enum noalias_state): Define.
2063         (struct var_ann_d): Add bitfield noalias_state.
2064         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2065         debug_mem_ref_stats, debug_memory_partitions,
2066         debug_mem_sym_stats): Declare.
2067         * tree-ssa-structalias.c (update_alias_info): Update call
2068         sites, pure/const call sites and asm sites in structure
2069         returned by gimple_mem_ref_stats.
2070         Remove local variable IS_POTENTIAL_DEREF.
2071         Increase NUM_DEREFS if the memory expression is a potential
2072         dereference.
2073         Call update_mem_sym_stats_from_stmt.
2074         If the memory references memory, call
2075         update_mem_sym_stats_from_stmt for all the direct memory
2076         symbol references found.
2077         (intra_create_variable_infos): Set noalias_state field for
2078         pointer arguments according to the value of
2079         flag_argument_noalias.
2080         * tree-ssa-structalias.h (struct alias_info): Remove fields
2081         num_calls_found and num_pure_const_calls_found.
2082         (update_mem_sym_stats_from_stmt): Declare.
2083         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2084         Set default value to 100.
2085         (PARAM_AVG_ALIASED_VOPS): Define.
2086
2087 2007-04-11  Richard Guenther  <rguenther@suse.de>
2088
2089         PR middle-end/31530
2090         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2091         a * -b + c as c - a * b if we honor sign dependent rounding.
2092
2093 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2094
2095         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2096         bfin_expand_strmov.
2097         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2098         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2099         variables.
2100         (initialize_trampoline): Don't use old-style function definition.
2101         (bfin_secondary_reload): Mark IN_P argument as unused.
2102
2103 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2104
2105         PR tree-optimization/31343
2106         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2107         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2108         * testsuite/gcc.dg/vect/pr31343.c: New.
2109
2110 2007-04-10  Eric Christopher  <echristo@apple.com>
2111
2112         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2113         * config/i386/i386.md (*cmpfp0): Use.
2114         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2115         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2116         (fix_trunc<mode>_i386_fisttp): Ditto.
2117         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2118         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2119         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2120         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2121         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2122         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2123         (unnamed_splitters): Ditto.
2124         * config/i386/i386.c (output_fix_trunc): Assert that
2125         we're not being passed a TFmode operand.
2126
2127 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2128
2129         PR tree-optimization/31526
2130         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2131         n_basic_blocks to find newly added blocks.
2132
2133 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2134
2135         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2136         alternative.
2137         (fix_trunc<mode>si_sse): Ditto.
2138         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2139         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2140         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2141         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2142         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2143         expander using SSEMODEF mode macro.
2144         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2145         expander using SSEMODEF mode macro.
2146         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2147         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2148         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2149         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2150         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2151         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2152         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2153         Macroize insn using X87MODEF mode macro.
2154
2155 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2156
2157         * config/i386/sse.md (sse2_pinsrw): Removed.
2158         (sse2_pextrw): Renamed to ...
2159         (*sse2_pextrw): This.
2160
2161 2007-04-09  Jan Hubicka  <jh@suse.cz>
2162
2163         PR target/27869
2164         * config/i386/sse.md
2165         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2166         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2167         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2168         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2169
2170 2007-04-09  Jan Hubicka  <jh@suse.cz>
2171
2172         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2173         multiple fields of union.
2174
2175 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2176
2177         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2178         (create_preheaders): Check that loops are available.
2179         (fix_loop_structure): Clean up, improve comments.
2180         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2181         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2182         state flags.
2183         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2184         * predict.c (tree_estimate_probability): Do not call
2185         calculate_dominance_info.  Call create_preheaders.
2186         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2187         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2188         flags.
2189         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2190         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2191         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2192         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2193         arguments.
2194
2195 2007-04-08  Jan Hubicka  <jh@suse.cz>
2196
2197         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2198         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2199         * fold-const.c (fold_unary): Use it.
2200
2201 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2202
2203         * varasm.c (assemble_variable): Remove call to
2204         lang_hooks.decls.prepare_assemble_variable.
2205         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2206         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2207         * langhooks.h (lang_hooks_for_decls): Remove
2208         prepare_assemble_variable.
2209
2210 2007-04-08  Mike Stump  <mrs@apple.com>
2211
2212         * config/i386/i386.c: Use inc/dec on Core2.
2213
2214 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2215
2216         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2217         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2218         lhd_tree_inlining_end_inlining): Remove.
2219         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2220         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2221         end_inlining hooks.
2222         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2223         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2224         lhd_tree_inlining_end_inlining): Remove prototypes.
2225         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2226         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2227         LANG_HOOKS_TREE_INLINING_START_INLINING,
2228         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2229
2230         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2231         not set it.
2232
2233 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2234
2235         PR target/29932
2236         * config/avr/predicates.md (io_address_operand): Delete predicate.
2237         (low_io_address_operand): Don't use 'mode' argument.
2238         (higth_io_address_operand): Rename ...
2239         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2240         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2241         for above change.
2242
2243 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2244
2245         Revert change removing staticp.
2246
2247 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2248
2249         PR target/30289
2250         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2251         earlyclobber.
2252
2253 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2254
2255         * c.opt: Add -Wformat-contains-nul.
2256         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2257           -Wformat setting.
2258         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2259         the NUL byte warning.
2260
2261 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2262
2263         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2264
2265 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2266
2267         * tree.c (staticp): No longer use staticp langhook.
2268         * langhooks.c (lhd_staticp): Removed.
2269         * langhooks.h (struct lang_hooks): Remove staticp.
2270         * c-common.c (c_staticp): Remove.
2271         * c-common.h (c_staticp): Ditto.
2272         * langhooks-defs.h (lhd_staticp): Ditto.
2273         (LHD_HOOKS_STATICP): Ditto
2274         * tree.h (gcc_assert_lowered): New macro.
2275
2276 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2277
2278         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2279         argument "reliable".
2280         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2281         Add argument "reliable".  Propagate it through calls.
2282         (infer_loop_bounds_from_undefined):  Derive number of iterations
2283         estimates from references in blocks that do not dominate loop latch.
2284         (gcov_type_to_double_int): New function.
2285         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2286         and expected_loop_iterations_unbounded.
2287         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2288         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2289         * tree-data-ref.c (estimated_loop_iterations): Export.
2290         (get_references_in_stmt): Fix -- do not return addresses of local
2291         objects.
2292         * cfgloop.h (expected_loop_iterations_unbounded,
2293         estimated_loop_iterations): Declare.
2294
2295 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2296
2297         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2298
2299 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2300
2301         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2302         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2303         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2304         Use output_387_reg_move().
2305         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2306         expander using X87MODEF12 mode macro.
2307         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2308         choosing register preferences.  Use output_387_reg_move().
2309         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2310         instead of "x".  Use output_387_reg_move().
2311         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2312         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2313         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2314         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2315         Use output_387_reg_move().
2316         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2317         mode macro.
2318         (*truncxf?f_i387 splitter): Ditto.
2319
2320 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2321
2322         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2323         LANG_HOOKS_SAFE_FROM_P.
2324         * expr.c (safe_from_p): Remove langhook call.
2325         * langhooks.h (lang_hooks): Remove safe_from_p.
2326         (lhd_safe_from_p): Remove prototype.
2327         * langhooks.c (lhd_safe_from_p): Remove.
2328
2329 2007-04-06  Jan Hubicka  <jh@suse.cz>
2330
2331         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2332         functions.
2333
2334 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2335
2336         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2337         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2338         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2339         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2340         alternative.
2341         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2342         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2343
2344 2007-04-05  Richard Henderson  <rth@redhat.com>
2345
2346         * config/alpha/alpha.c (print_operand) [+]: Remove.
2347         (alpha_end_function): Print nop if call at end of function.
2348         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2349         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2350         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2351         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2352         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2353         the call pattern. Update peepholes to match.
2354
2355 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2356
2357         * doc/extend.texi (Other Builtins): Add decimal float variants
2358         of signbit.
2359         * builtins.def: Ditto.
2360         * builtins.c (expand_builtin): Ditto.
2361
2362 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2363             H.J. Lu  <hongjiu.lu@intel.com>
2364
2365         PR target/31478
2366         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2367         of V8HImode when calling ix86_binary_operator_ok.
2368         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2369         (sdot_prodv8hi): Operands 1 and 2 must be register.
2370
2371 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2372
2373         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2374         initialize align to silence bogus warning.
2375
2376 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2377
2378         PR middle-end/22156
2379         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2380         all_no_warning.
2381         (struct sra_walk_fns): Remove use_all parameter from use.
2382         (sra_hash_tree): Handle BIT_FIELD_REFs.
2383         (sra_elt_hash): Don't hash bitfld blocks.
2384         (sra_elt_eq): Skip them in parent compares as well.  Handle
2385         BIT_FIELD_REFs.
2386         (sra_walk_expr): Don't maintain or pass down use_all_p.
2387         (scan_use): Remove use_all parameter.
2388         (scalarize_use): Likewise.  Re-expand assignment to
2389         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2390         output, and re-scalarize after output.  Don't mark anything
2391         for no warning.
2392         (scalarize_ldst): Adjust.
2393         (scalarize_walk_gimple_modify_statement): Likewise.
2394         (build_element_name_1): Handle BIT_FIELD_REFs.
2395         (instantiate_element): Don't warn for any element whose parent
2396         is used as a whole.
2397         (instantiate_missing_elements_1): Return the sra_elt.
2398         (canon_type_for_field): New.
2399         (try_instantiate_multiple_fields): New.
2400         (instantiate_missing_elemnts): Use them.
2401         (mark_no_warning): Removed.
2402         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2403         (REPLDUP, sra_build_elt_assignment): New.
2404         (generate_copy_inout): Use them.
2405         (generate_element_copy): Likewise.  Handle bitfld differences.
2406         (generate_element_zero): Don't recurse for blocks.  Use
2407         sra_build_elt_assignment.
2408         (generate_one_element_int): Take elt instead of var.  Use
2409         sra_build_elt_assignment.
2410         (generate_element_init_1): Adjust.
2411         (scalarize_use, scalarize_copy): Use REPLDUP.
2412         (scalarize_ldst): Move assert before dereference.
2413         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2414
2415 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2416
2417         * regmove.c: Fix unused variable warnings due to previous commit.
2418
2419 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2420
2421         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2422         (regmove_bb_head): Remove.
2423         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2424         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2425         problems with fixup_match_1.
2426         Don't initialize/free regmove_bb_head.
2427
2428         (reg_is_remote_constant_p): If an insn is in the same basic block
2429         but not before INSN, consider it remote, too.
2430
2431 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2432
2433         PR target/25448
2434         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2435         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2436
2437 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2438
2439         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2440         (CONDITIONAL_REGISTER_USAGE): Likewise.
2441
2442 2007-04-04  Richard Henderson  <rth@redhat.com>
2443
2444         * config/alpha/lib1funcs.asm: Remove unused file.
2445
2446 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2447
2448         PR other/31356
2449         * opts.c (print_specific_help): Fix --help=<language>
2450         header line.
2451         (common_handle_option): Support --help=common.
2452
2453 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2454
2455         PR other/31353
2456         * gcc.c (main): Do not run the linker if
2457         print_subprocess_help indicates that it shouldn't be
2458         run.
2459
2460 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2461
2462         PR doc/31355
2463         * doc/invoke.texi (--help=): Document <languages> value, fix
2464         formatting in tables of values.
2465
2466 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2467
2468         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2469         dllimport attribute of virtual methods.
2470
2471 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2472
2473         * config/score/crti.asm: Change _bss_start to __bss_start.
2474         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2475         (OUTGOING_REG_PARM_STACK_SPACE) update.
2476         * config/score/score.opt: add options to make backend support
2477         score5, score5u, score7 and score7d.
2478         * config/score/score.md: Likewise.
2479         * config/score/misc.md: Likewise.
2480         * config/score/mac.md: Likewise.
2481         * doc/invoke.texi: Likewise.
2482         * doc/md.texi: update constraints define.
2483
2484 2007-04-03  Richard Henderson  <rth@redhat.com>
2485
2486         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2487         an appropriate type, use the mode instead.
2488
2489 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2490
2491         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2492         Set the default --with-arch setting to mips2.
2493         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2494         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2495         (MULTILIB_OSDIRNAMES): Delete.
2496         (MULTILIB_DIRNAMES): Define.
2497         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2498         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2499         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2500         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2501         VXWORKS_OS_CPP_BUILTINS.
2502         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2503         (MIPS_DEBUGGING_INFO): Undefine.
2504         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2505
2506 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2507
2508         PR middle-end/30704
2509         * fold-const.c (native_encode_real): Encode real.c provided longs
2510         as a series of 32-bit native integers.
2511         (native_interpret_real): Interpret buffer as a series of 32-bit
2512         native integers.
2513
2514 2007-04-03  Richard Guenther  <rguenther@suse.de>
2515
2516         * genpreds.c (write_insn_constraint_len): Write function
2517         optimized for CONSTRAINT_LEN implementation.
2518         (write_tm_preds_h): Output insn_constraint_len inline and
2519         use it for CONSTRAINT_LEN.
2520         (write_insn_preds_c): Don't output insn_constraint_len.
2521         * doc/md.texi (define_register_constraint): Document multi-letter
2522         constraints shall have the same length if they start with the same
2523         letter.
2524
2525 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2526
2527         PR target/31175
2528         * config/i386/i386.md (isinf<mode>2): Expand only when
2529         TARGET_C99_FUNCTIONS is set.
2530
2531 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2532
2533         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2534         (x86_64-*-linux*): Ditto.
2535         * config/i386/i386.opt (mpc): New option.
2536         * config/i386/i386.c (overrride_options): Handle
2537         ix87_precision_string.
2538         * config/i386/crtprec.c: New file.
2539         * config/i386/t-crtpc: Ditto.
2540         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2541         and -mpc80 options.
2542         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2543         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2544         crtprec32.o, crtprec64.o and crtprec80.o.
2545
2546         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2547         and -mpc80 options.
2548         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2549
2550 2007-04-02  Eric Christopher  <echristo@apple.com>
2551
2552         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2553         limitations on darwin.
2554
2555 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2556
2557         PR target/31137
2558         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2559
2560 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2561
2562         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2563
2564 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2565
2566         * libgcc2.h (exception_descriptor): Don't forward-declare.
2567         (__get_eh_table_language, __get_eh_table_version): Delete
2568         prototypes of long-dead functions.
2569
2570 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2571
2572         * ebitmap.h: New file
2573         * ebitmap.c: New file
2574         * Makefile.in (ebitmap.o): New target.
2575
2576 2007-04-01  Jan Hubicka  <jh@suse.cz>
2577
2578         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2579         before very first instruction.
2580
2581 2007-04-01  Jan Hubicka  <jh@suse.cz>
2582
2583         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2584         waring on 64bit hosts.
2585         * bitmap.h: Fix typo in bitmap_head_def.
2586
2587 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2588
2589         PR rtl-optimization/31391
2590         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2591         into a DELETED_LABEL note, and the label is in an empty basic
2592         block, update BB_END as well as BB_HEAD.
2593
2594 2007-04-01  Richard Henderson  <rth@redhat.com>
2595
2596         PR tree-optimization/31169
2597         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2598         to varying if the range is outside [0,  prec-1].
2599
2600 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2601
2602         PR target/31388
2603         * config/mips/mips.md (load_const_gp): New insn.
2604         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2605         the MIPS16 GP pseudo register if no_new_pseudos.
2606         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2607
2608 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2609
2610         PR target/31364
2611         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2612         secureplt.
2613         (call_value): Likewise.
2614
2615 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2616             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2617
2618         PR 14737
2619         * doc/invoke.texi: (optimization options): Reword description
2620         of -ffast-math. Document its primary purpose.
2621
2622 2007-03-31  Richard Guenther  <rguenther@suse.de>
2623
2624         * omp-low.c (splay-tree.h): Include.
2625         (lookup_decl): Replace splay-tree usage by pointer-map.
2626         (maybe_lookup_decl): Likewise.
2627         (new_omp_context): Likewise.
2628         (delete_omp_context): Likewise.
2629         * gimplify.c (splay-tree.h): Include.
2630         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2631         pointer-map.
2632         (remap_ssa_name): Likewise.
2633         (remap_decl): Likewise.
2634         (remap_type_1): Likewise.
2635         (remap_type): Likewise.
2636         (copy_body_r): Likewise.
2637         (expand_call_inline): Likewise.
2638         (clone_body): Likewise.
2639         (copy_tree_r): Likewise.
2640         (remap_save_expr): Likewise.
2641         (unsave_r): Likewise.
2642         (unsave_expr_now): Likewise.
2643         (tree_function_versioning): Likewise.
2644         (build_duplicate_type): Likewise.
2645         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2646         (struct copy_body_data): Replace splay-tree by pointer-map.
2647         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2648         not $(SPLAY_TREE_H).
2649         (gimplify.o): Depend on $(SPLAY_TREE_H).
2650         (omp-low.p): Likewise.
2651
2652 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2653
2654         * config/avr/predicates.md (even_register_operand,
2655         odd_register_operand): New predicates.
2656         * config/avr/avr.md (movw peephole2): New.
2657         (movw_r peephole2): New.
2658
2659 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2660
2661         * tree.h (get_signed_or_unsigned_type): New.
2662         * fold-const.c (operand_equal_for_comparison_p): Use
2663         get_signed_or_unsigned_type instead of
2664         lang_hooks.types.signed_or_unsigned_type.
2665         * expr.c (store_expr): Ditto.
2666         * langhooks.c (get_signed_or_unsigned_type): New.
2667         (lhd_signed_or_unsigned_type): New.
2668         * langhooks.h (lhd_signed_or_unsigned_type): New.
2669         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2670
2671 2007-03-30  Richard Henderson  <rth@redhat.com>
2672
2673         * tree-ssa-loop-ivopts.c: Include target.h.
2674         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2675         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2676         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2677         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2678
2679 2007-03-30  Richard Henderson  <rth@redhat.com>
2680             Kai Tietz  <kai.tietz@onevision.com>
2681
2682         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2683         default for 64-bit.
2684         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2685         (TARGET_64BIT_MS_ABI): New.
2686         (DBX_REGISTER_NUMBER): Handle 64-bit.
2687         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2688         (LONG_TYPE_SIZE): Force to 32.
2689         (REG_PARM_STACK_SPACE): New.
2690         (OUTGOING_REG_PARM_STACK_SPACE): New.
2691         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2692         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2693         (STACK_BOUNDARY): Use 128 for 64-bit.
2694         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2695         Add 64-bit implementation.
2696         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2697         argument unused.
2698         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2699         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2700         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2701         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2702         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2703         TARGET_64BIT_MS_ABI.
2704         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2705         (ix86_pass_by_reference): Likewise.
2706         (ix86_function_value_regno_p): Likewise.
2707         (ix86_build_builtin_va_list): Likewise.
2708         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2709         (function_arg_advance_ms_64): New.
2710         (function_arg_advance): Call it.
2711         (function_arg_ms_64): New.
2712         (function_arg): Call it.
2713         (function_value_ms_64): New.
2714         (ix86_function_value_1): Call it.
2715         (return_in_memory_ms_64): New.
2716         (ix86_return_in_memory): Call it.
2717         (setup_incoming_varargs_ms_64): New.
2718         (ix86_setup_incoming_varargs): Call it.
2719         (ix86_expand_prologue): Handle 64-bit stack probing.
2720         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2721         (output_pic_addr_const): Likewise.
2722         (x86_this_parameter): Likewise.
2723         (x86_output_mi_thunk): Likewise.
2724         (x86_function_profiler): Likewise.
2725         (TARGET_STRICT_ARGUMENT_NAMING): New.
2726         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2727         (TARGET_64BIT_MS_ABI): New.
2728         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2729         * config/i386/i386.md (allocate_stack_worker): Remove.
2730         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2731         describe the clobber of eax without a match_scratch.
2732         (allocate_stack_worker_postreload): Remove.
2733         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2734         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2735         (allocate_stack_worker_rex64_postreload): Remove.
2736         (allocate_stack): Handle 64-bit.
2737         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2738         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2739         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2740         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2741         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2742         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2743         * config.build (x86_64-*-mingw*): New host.
2744         * config.host (x86_64-*-mingw*): New host.
2745         * config.gcc (x86_64-*-mingw*): New target.
2746         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2747
2748 2007-03-30  Richard Henderson  <rth@redhat.com>
2749             Kai Tietz  <kai.tietz@onevision.com>
2750
2751         * c-pragma.c (struct def_pragma_macro_value): New.
2752         (struct def_pragma_macro): New.
2753         (pushed_macro_table): New.
2754         (dpm_hash, dpm_eq): New.
2755         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2756         (init_pragma): Install them.
2757         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2758
2759 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2760
2761         * config/avr/avr.c (avr_override_options): Clear
2762         'flag_delete_null_pointer_checks'.
2763
2764 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2765
2766         PR c++/26099
2767         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2768         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2769         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2770         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2771         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2772         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2773         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2774         C++ extensions.
2775         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2776
2777 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2778
2779         * regmove.c: Move all of pass_stack_adjustments from here...
2780         * combine-stack-adj.c: ...to this new file.
2781         * Makefile.in: Add rules for combine-stack-adj.o.
2782
2783 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2784
2785         PR tree-optimization/31383
2786         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2787         to have the same length.
2788
2789 2007-03-30  Jan Hubicka  <jh@suse.cz>
2790
2791         PR middle-end/30700
2792         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2793         availablility; add more sanity checking; ask varpool only about
2794         VAR_DECL.
2795
2796 2007-03-29  Richard Henderson  <rth@redhat.com>
2797
2798         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2799         to decide, but __SIZEOF_LONG_LONG__.
2800
2801 2007-03-29  Richard Henderson  <rth@redhat.com>
2802
2803         * emutls.c (struct __emutls_array): New.
2804         (emutls_destroy): Use it instead of casting element 0 from void*.
2805         (__emutls_get_address): Likewise.
2806
2807 2007-03-29  Richard Henderson  <rth@redhat.com>
2808
2809         * varasm.c (initializer_constant_valid_p): Don't deny
2810         DECL_DLLIMPORT_P on functions.
2811
2812         * config/i386/cygming.h: Remove function declarations.
2813         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2814         (ASM_OUTPUT_LABELREF): Remove.
2815         (COMMON_ASM_OP): Remove.
2816         (ASM_OUTPUT_COMMON): Remove.
2817         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2818         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2819         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2820         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2821         Rename from TARGET_ENCODE_SECTION_INFO.
2822         * config/i386/netware.h: Likewise.
2823         * config/i386/i386-protos.h: Update.
2824         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2825         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2826         (legitimate_constant_p): Reject dllimports.
2827         (dllimport_map, get_dllimport_decl): New.
2828         (legitimize_dllimport_symbol): New.
2829         (legitimize_address, ix86_expand_move): Use it.
2830         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2831         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2832         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2833         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2834         * config/i386/predicates.md (constant_call_address_operand): Only
2835         accept symbols; reject dllimport_p symbols.
2836         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2837         i386_pe_maybe_record_exported_symbol.
2838         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2839         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2840         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2841         trust the setting of DECL_DLLIMPORT_P.
2842         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2843         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2844         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2845         tidy the argument scanning loop.
2846         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2847         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2848         (i386_pe_strip_name_encoding): Remove.
2849         (i386_pe_binds_local_p): New.
2850         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2851         (i386_pe_output_labelref): Remove.
2852         (i386_pe_asm_output_aligned_decl_common): New.
2853         (i386_pe_maybe_record_exported_symbol): Rename from
2854         i386_pe_record_exported_symbol; check for dllexported symbols.
2855
2856 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2857
2858         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2859         add comment explaining why vsnprintf cannot be used.
2860
2861 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2862
2863         PR tree-optimization/30666
2864         * tree.c (build_complex_type): When creating type names for DWARF2
2865         debug info, create TYPE_DECLs for TYPE_NAME instead of
2866         IDENTIFIER_NODEs.
2867         (build_common_tree_nodes_2): Use build_complex_type when building
2868         predefined complex types, to preserve canonical types.
2869
2870 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2871
2872         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2873         (noce_get_alt_condition): Look at it to determine whether to
2874         reverse the condition or not.
2875         (noce_get_condition): Substitute the truth for lies.
2876         (noce_find_if_block): Set the then_else_reversed field.
2877
2878 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2879
2880         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2881         destination of this insn.
2882         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2883         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2884         'address + 4' rather than a stack based temporary which can be
2885         mis-optimized away.
2886
2887 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2888
2889         * config/s390/s390.c (s390_secondary_input_reload_class,
2890         s390_secondary_output_reload_class): Functions removed.
2891         (s390_secondary_reload): New function.
2892         (TARGET_SECONDARY_RELOAD): Target macro defined.
2893         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2894         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2895         * config/s390/s390.md ("reload_outti", "reload_outdi",
2896         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2897         "reload_out<mode>"): Expanders removed.
2898         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2899         "reload<mode>_nonoffmem_out"): Expanders added.
2900
2901 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2902
2903         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2904         SRC->DEST replacement failed anyway.
2905
2906 2007-03-28  Mike Stump  <mrs@apple.com>
2907
2908         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2909         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2910         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2911
2912 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2913
2914         * config.gcc: Accept barcelona as a variant of amdfam10.
2915         * config/i386/i386.c (override_options): Likewise.
2916         * doc/invoke.texi: Likewise.
2917
2918 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2919
2920         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2921         offsets for BIT_FIELD_REF and COMPONENT_REF.
2922
2923 2007-03-28  Richard Guenther  <rguenther@suse.de>
2924
2925         * tree.c (is_global_var): Move ...
2926         * tree-flow-inline.h (is_global_var): ... here.
2927         * tree.h (is_global_var): Remove declaration.
2928
2929 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2930
2931         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2932         option.
2933         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2934         * config/i386/i386.c (ix86_tune_features): Initialize new
2935         tuning option.
2936         * config/i386/predicates.md (promotable_binary_operator): Use
2937         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2938
2939 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2940
2941         PR target/31380
2942         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2943
2944 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2945
2946         * config/fr30/fr30.md (movsi_internal): Change destination
2947         constraint from m to V and add m to the end.
2948
2949 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2950
2951         * config/sh/sh.md (movsi_i): Fix type attribute.
2952
2953 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2954
2955         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2956         (movsf_ie): Likewise.
2957
2958 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2959
2960         * config.gcc: Add sh4-300 to multilib.
2961         * config/sh/t-mlib-sh4-300: New file.
2962
2963 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2964
2965         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2966         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2967         fix_trunc<mode>di2.
2968         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2969         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2970         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2971         "fixuns_trunctddi2"): Whitespace fix.
2972
2973 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2974
2975         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2976         the definition of struct sh_args.
2977         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2978         CALL_COOKIE_INT_REG_GET): Likewise.
2979
2980 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
2981
2982         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2983         transformations are applied successfully.
2984
2985 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
2986
2987         * tree.c (tree_contains_struct): Permit 512 tree codes.
2988         * tree.h (tree_contains_struct): Ditto.
2989         (MAX_TREE_CODES): Ditto.
2990         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2991         SPARE member to store remaining padding bits.
2992
2993 2007-03-27  Anatoly Sokolov <aesok@post.ru>
2994
2995         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2996         architecture.
2997
2998 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
2999
3000         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3001         * configure: Regenerate.
3002
3003         * configure: Regenerate using the correct version of autoconf.
3004
3005 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3006
3007         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3008         pointer regs.
3009         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3010         regs to "__SP_L__" and "__SP_H__".
3011
3012 2007-03-27  Richard Guenther  <rguenther@suse.de>
3013
3014         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3015         computations with it with a HOST_WIDE_INT variable.
3016
3017 2007-03-26  Mike Stump  <mrs@apple.com>
3018
3019         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3020         objective-c-header, objective-c++-header and objc++-cpp-output
3021         support.
3022         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3023
3024 2007-03-26  Richard Henderson  <rth@redhat.com>
3025
3026         PR target/31361
3027         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3028         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3029         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3030         IX86_BUILTIN_PSRLQ128): New.
3031         (ix86_init_mmx_sse_builtins): Add them.
3032         (ix86_expand_builtin): Expand them.
3033         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3034         operand 2 be TImode.
3035         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3036         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3037         _mm_srli_epi64): Mark __B const.
3038         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3039         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3040         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3041         new two-vector shift builtins.
3042
3043 2007-03-26  Ian Lance Taylor  <iant@google.com>
3044
3045         PR tree-optimization/31345
3046         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3047         [+INF, +INF(OVF)] into VARYING.
3048
3049 2007-03-26  Zack Weinberg  <zackw@panix.com>
3050
3051         * gengtype-parse.c: New file.
3052         * gengtype-yacc.y: Delete.
3053         * gengtype-lex.l: Don't include gengtype-yacc.h.
3054         Define YY_DECL and yyterminate appropriately for recursive
3055         descent parser.  yylval is now a string out-parameter to yylex.
3056         (HWS, EOID): New shorthand.
3057         (IWORD): Add a couple more types.
3058         (yylex): Add a setup stanza.  Remove the complex rules for
3059         detecting GTY'ed types and typedefs; replace with simple
3060         keyword detectors.  Adjust everything for the changed
3061         definition of yylval.  Ignore all pp-directives, not just #define.
3062         (yyerror): Delete.
3063         (parse_file): Rename yybegin; do not call yyparse.
3064         (yyend): New.
3065         * gengtype.c (xasprintf): Export again.
3066         (this_file): New.  Use everywhere __FILE__ was being used.
3067         (get_lang_bitmap): Special case types defined in gengtype.c.
3068         (do_typedef, new_structure): Suppress definition of certain types.
3069         (new_structure): Improve diagnostics of duplicate definitions.
3070         Make sure location_s is associated with input.h.
3071         (nreverse_pairs, define_location_structures): New functions.
3072         (main): Improve tagging of kludge types.  Remove old kludges
3073         for input.h types; use define_location_structures.
3074         * gengtype.h: Update prototypes.  Define token codes here.
3075         * Makefile.in: Remove all references to gengtype-yacc.
3076         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3077         and gengtype.
3078         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3079         add GTY((skip)) to the field that's only conditionally there.
3080         * doc/install.texi: Document that Bison is no longer required
3081         unless building treelang.
3082
3083         * gengtype.c: Don't include gtyp-gen.h.
3084         (srcdir): Declare here.
3085         (base_files, lang_dir_names): Allocate dynamically.
3086         (gt_files, num_gt_files, num_lang_dirs): New globals.
3087         (measure_input_list, read_input_line, read_input_list)
3088         (set_lang_bitmap): New functions.
3089         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3090         simplify, relying on read_input_list to set up the bitmaps.
3091         (main): Arguments are no longer unused.  Check for correct number
3092         of command line arguments, set srcdir and srcdir_len, then call
3093         read_input_list, before doing anything else.  No need to worry
3094         about duplicates in main loop.
3095         * configure.ac: Simplify the calculation of all_gtfiles.
3096         Put language tags in there.  Don't set or substitute
3097         all_gtfiles_files_langs or all_gtfiles_files_frags.
3098         * Makefile.in: Revamp the way gengtype is invoked, now that it
3099         takes a file on its command line with a much simpler format.
3100         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3101         (GTFILES): Remove duplicates and C source files.
3102         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3103         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3104         * configure: Regenerate.
3105
3106         * gengtype.h: Remove all type definitions to gengtype.c; leave
3107         only definitions of options_p, type_p, and pair_p as opaque
3108         pointers.  Update prototypes.
3109         * gengtype.c: Many type definitions moved here from gengtype.h.
3110         Consolidate type definitions at the top of the file.
3111         (xvasprintf): Delete.
3112         (xasprintf): Make static.
3113         (create_nested_pointer_option): Add 'next' parameter.
3114         (create_field_all, create_field_at): New functions.
3115         (create_field): Now a thin wrapper around create_field_all.
3116         (create_optional_field): Rename create_optional_field_ and add
3117         line argument.  Original name is now a macro which supplies
3118         __LINE__.
3119         (oprintf): Use vsnprintf directly.
3120         (close_output_files): Use fatal rather than perror/exit.
3121         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3122         (main): Set progname.  Don't use exit.
3123         * gengtype-yacc.y (struct_fields): Use create_field_at.
3124         (option, optionseqopt): Delete.
3125         (optionseq): Consolidate productions from option here so we
3126         can use the first argument to create_option.
3127
3128         * gengtype-lex.l: Distinguish unions from structures in the
3129         token type.  Don't call find_structure; return the tag as a string.
3130         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3131         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3132         Reorganize typedef_struct production accordingly.
3133         Use create_nested_ptr_option.
3134         * gengtype.c (create_nested_ptr_option): New function.
3135         * gengtype.h: Declare it.
3136
3137         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3138         (string_type): Don't declare.
3139         (do_scalar_typedef): Declare.
3140         (create_scalar_type): Update prototype.
3141         * gengtype.c (string_type): Make static.
3142         (scalar_nonchar, scalar_char): New.
3143         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3144         (resolve_typedef): Use scalar_nonchar for error recovery.
3145         (create_scalar_type): Remove name_len field.  Return scalar_char
3146         or scalar_nonchar as appropriate.
3147         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3148         to use string_type.
3149         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3150         whenever possible.
3151         (main): Initialize scalar_char and scalar_nonchar before calling
3152         gen_rtx_next.
3153         * gengtype-lex.l: Adjust for removal of second argument to
3154         create_scalar_type.  Use yylval.s instead of yylval.t when
3155         returning SCALAR.
3156         * gengtype-yacc.y: Type of SCALAR is string.  Call
3157         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3158         second argument to create_scalar_type.
3159
3160         * vec.h: Remove all #if IN_GENGTYPE blocks.
3161         Add comment saying that changes may require adjustments to gengtype.
3162         * gengtype.c: Don't include coretypes.h or tm.h.
3163         Add comment to inclusion of errors.h.
3164         (note_def_vec, note_def_vec_alloc): New functions.
3165         * gengtype.h: Declare new functions.
3166         * gengtype-lex.l: Don't include coretypes.h.
3167         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3168         Delete.
3169         (update_lineno): Remove unnecessary prototype.
3170         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3171         (VEC rule): Just return VEC_TOKEN.
3172         * gengtype-yacc.y (VEC_TOKEN): New token type.
3173         (type): Add a production for VEC(a,b).
3174         * Makefile.in: Update dependencies.
3175
3176         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3177         typedefs that use the old PARAMS macro.
3178
3179         * gengtype-lex.l: Remove all rules and states relating to yacc
3180         input files.
3181         * gengtype-yacc.y: Similarly.
3182         * gengtype.c (note_yacc_type): Delete function.
3183         * gengtype.h: Update prototypes.
3184
3185 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3186
3187         * tree-pretty-print.c (dump_generic_node): Report precision of
3188         unnamed integer types.
3189
3190 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3191
3192         * ifcvt.c (noce_try_store_flag_constants): Don't check
3193         no_new_pseudos here.
3194         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3195         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3196         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3197         noce_try_sign_mask): Likewise.
3198         (if_convert): Check no_new_pseudos here.
3199
3200         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3201         Remove prototypes.
3202         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3203         (noce_get_condition): Handle new then_else_reversed argument.
3204         (noce_init_if_info): Remove, fold into noce_find_if_block.
3205         (noce_process_if_block): Take a struct noce_if_info as the
3206         argument.  Don't set up one based on ce_if_info.  Update pointer
3207         references accordingly.
3208         (cond_move_process_if_block): Likewise.
3209         (process_if_block): Removed.
3210         (find_if_block): Removed.  Move functionality two new functions,
3211         noce_find_if_block and cond_exec_find_if_block.
3212         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3213         blocks and the symmetric IF-ELSE-JOIN case.
3214         (cond_exec_find_if_block): Also new function mostly based on old
3215         find_if_block and process_if_block.
3216         (find_if_header): Replace find_if_block call with separately
3217         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3218         (find_cond_trap): Update noce_get_condition call.
3219         (dead_or_predicable): Likewise.
3220
3221 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3222
3223         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3224         Remove.
3225         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3226         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3227         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3228         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3229         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3230         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3231         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3232         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3233         __builtin_ia32_psrad128 builtins.
3234
3235 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3236
3237         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3238         * config/i386/constraints.md
3239         (define_constraint "I"): Use IN_RANGE macro.
3240         (define_constraint "J"): Ditto.
3241         (define_constraint "K"): Ditto.
3242         (define_constraint "M"): Ditto.
3243         (define_constraint "N"): Ditto.
3244         (define_constraint "O"): Ditto.
3245         * config/i386/predicates.md
3246         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3247         (define_predicate "const_0_to_3_operand"): Ditto.
3248         (define_predicate "const_0_to_7_operand"): Ditto.
3249         (define_predicate "const_0_to_15_operand"): Ditto.
3250         (define_predicate "const_0_to_63_operand"): Ditto.
3251         (define_predicate "const_0_to_255_operand"): Ditto.
3252         (define_predicate "const_1_to_31_operand"): Ditto.
3253         (define_predicate "const_2_to_3_operand"): Ditto.
3254         (define_predicate "const_4_to_7_operand"): Ditto.
3255
3256 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3257
3258         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3259         in SImode for save_world.
3260         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3261         LR hard reg.
3262
3263 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3264
3265         PR tree-optimization/30784
3266         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3267         BIT_FIELD_REF.
3268
3269 2007-03-25  Revital Eres  <eres@il.ibm.com>
3270
3271         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3272           Fold movement_possibility function into it.
3273
3274 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3275
3276         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3277         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3278         (call_indirect_nonlocal_darwin64): Same.
3279         (call_nonlocal_darwin64): Same.
3280         (call_value_indirect_nonlocal_darwin64): Same.
3281         (call_value_nonlocal_darwin64): Same.
3282         (sibcall_nonlocal_darwin64): Same.
3283         (sibcall_value_nonlocal_darwin64): Same.
3284         (sibcall_symbolic_64): Same.
3285         (sibcall_value_symbolic_64): Same.
3286         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3287         LR pseudo.
3288         (rs6000_emit_load_toc_table): Same.
3289         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3290         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3291         (mull_call): Same.
3292         (divss_call): Same.
3293         (divus_call): Same.
3294         (quoss_call): Same.
3295         (quous_call): Same.
3296         (load_toc_v4_pic_si): Same
3297         (load_toc_v4_PIC_1): Same.
3298         (load_toc_v4_PIC_1b): Same.
3299         (call_indirect_aix{32,64}): Same.
3300         (call_value_indirect_aix{32,64}): Same.
3301         (call): Same.
3302         (call_value): Same.
3303         (call_local{32,64}): Same.
3304         (call_value_local{32,64}): Same.
3305         (call_indirect_nonlocal_aix{32,64}): Same.
3306         (call_nonlocal_aix{32,64}): Same.
3307         (call_value_indirect_nonlocal_aix{32,64}): Same.
3308         (call_value_nonlocal_aix{32,64}): Same.
3309         (call_indirect_nonlocal_sysv<mode>): Same.
3310         (call_nonlocal_sysv<mode>): Same.
3311         (call_value_indirect_nonlocal_sysv<mode>): Same.
3312         (call_value_nonlocal_sysv<mode>): Same.
3313         (sibcall): Same.
3314         (sibcall_local{32,64}): Same.
3315         (sibcall_value_local{32,64}): Same.
3316         (sibcall_nonlocal_aix{32,64}): Same.
3317         (sibcall_value_nonlocal_aix{32,64}): Same.
3318         (sibcall_nonlocal_sysv<mode>): Same.
3319         (sibcall_value): Same.
3320         (sibcall_value_nonlocal_sysv<mode>): Same.
3321
3322 2007-03-24  Paul Brook  <paul@codesourcery.com>
3323
3324         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3325         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3326
3327 2007-03-24  Richard Henderson  <rth@redhat.com>
3328
3329         * config/ia64/constraints.md: New file.
3330         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3331         satisfies_constraint_?.
3332         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3333         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3334         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3335         ia64_output_mi_thunk): Likewise.
3336         (ia64_const_ok_for_letter_p): Remove.
3337         (ia64_const_double_ok_for_letter_p): Remove.
3338         (ia64_extra_constraint): Remove.
3339         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3340         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3341         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3342         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3343         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3344         EXTRA_MEMORY_CONSTRAINT): Remove.
3345         * config/ia64/ia64.md: Include constriants.md.  Replace
3346         CONST_OK_FOR_? with satisfies_constraint_?.
3347
3348 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3349             H.J. Lu  <hongjiu.lu@intel.com>
3350
3351         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3352         DPD or BID name.
3353         (name macros): Use DPD_BID_NAME to convert names properly.
3354
3355         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3356         decimal floating point format.
3357         (init_floating_libfuncs): Change decimal functions so that they
3358         have a "bid_" prefix if the decimal system uses the BID format,
3359         and "dpd_" prefix if the decimal system uses the DPD format.
3360         (init_interclass_conv_libfuncs): Ditto.
3361         (init_intraclass_conv_libfuncs): Ditto.
3362
3363         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3364         using the BID format.
3365
3366         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3367         whether we are using the BID decimal format.
3368         * configure: Regenerate.
3369
3370         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3371         the compiler has decimal floating point enabled.  Define
3372         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3373         instead of DPD.
3374
3375         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3376         using the BID format.
3377
3378         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3379         whether we are using the BID decimal format.
3380         * configure: Regenerate.
3381
3382         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3383         the compiler has decimal floating point enabled.  Define
3384         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3385         instead of DPD.
3386
3387         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3388         options, and that it is enabled for i386/x86_64 systems.
3389
3390         * Makefile.in (enable_decimal_float): New.
3391         (DECNUMFMT): New.
3392         (DECNUMINC): Add  -I$(DECNUMFMT).
3393         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3394         to $(DECNUMFMT) from $(DECNUM).
3395
3396         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3397         Substitute enable_decimal_float.
3398         * configure: Regenerated.
3399
3400         PR other/30529
3401         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3402         unsigned long.
3403
3404         * configure.ac: Enable decimal float for x86_64-*-linux*.
3405         * configure: Regenerated.
3406
3407         PR other/30530
3408         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3409         decimal128ClearSign to flip and clear the sign bit in decimal128.
3410         (decimal_real_maxval): Set decimal128SetSign to set the sign
3411         bit in decimal128.
3412
3413 2007-03-23  Ian Lance Taylor  <iant@google.com>
3414
3415         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3416
3417 2007-03-23  Ian Lance Taylor  <iant@google.com>
3418
3419         * tree-dump.c (dump_files): Correct comment.
3420
3421 2007-03-23  Ian Lance Taylor  <iant@google.com>
3422
3423         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3424
3425 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3426
3427         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3428         in cfglayout mode.  Don't go into and out of cfglayout mode.
3429         Link the blocks in the order of the constructed traces.
3430         (rest_of_handle_tracer): Adjust call to tracer.
3431         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3432         Don't go into cfglayout mode.
3433         (rtl_loop_done): Don't go out of cfglayout mode.
3434         * cfglayout.c (relink_block_chain): New function, split out from...
3435         (fixup_reorder_chain): ...here.  Remove redundant checking.
3436         (cfg_layout_finalize): Don't clear the header, footer, and aux
3437         fields here, move the code to do so to relink_block_chain.  Likewise
3438         for free_original_copy_tables.
3439         * rtl.h (tracer): Update prototype.
3440         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3441         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3442         mode.  Use relink_block_chain to serialize the CFG according to the
3443         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3444         here...
3445         (gate_handle_reorder_blocks): ...to here.
3446         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3447         from here...
3448         (gate_duplicate_computed_gotos): ...to here.
3449         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3450         something always changes when going into and out of cfglayout mode.
3451         Perform an expensive cfg cleanup while going into cfglayout mode.
3452         Always update liveness information on HAVE_conditional_execution
3453         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3454         * reg-stack.c: Include cfglayout.h.
3455         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3456         the call to reorder_basic_blocks.
3457         * basic-block.h (reorder_basic_blocks): Update prototype.
3458         (relink_block_chain): New prototype.
3459         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3460
3461 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3462
3463         * config/mips/mips.md (type, hazard, *movdi_32bit,
3464         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3465         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3466         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3467         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3468         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3469         applicable.
3470         (movcc): Change first xfer to multi.
3471         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3472         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3473         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3474         config/mips/generic.md: Change reservations using "xfer" to use
3475         "mfc,mtc".
3476         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3477         using match_operand.
3478         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3479         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3480         examining mode.
3481         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3482
3483 2007-03-22  Richard Henderson  <rth@redhat.com>
3484
3485         * config/i386/i386.c: Remove unnecessary function declarations.
3486         Move targetm definition, and all related macros, to the end of
3487         the file.  Resort some functions to put definitions before uses.
3488         (ix86_attribute_table): Make static.  Move to end of file.
3489         (ix86_gimplify_va_arg): Make static.
3490
3491 2007-03-22  Richard Henderson  <rth@redhat.com>
3492
3493         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3494         don't increase local_regparm with force_align_arg_pointer check.
3495         (ix86_function_sseregparm): Assert 32-bit.
3496         (type_has_variadic_args_p): New.
3497         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3498         type_has_variadic_args_p.
3499         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3500         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3501         use memset instead.  Do maybe_vaarg check first; skip attribute
3502         tests if true; skip attribute tests for 64-bit.
3503         (construct_container): Remove TARGET_DEBUG_ARG.
3504         (function_arg_advance_32, function_arg_advance_64): Split out ...
3505         (function_arg_advance): ... from here.
3506         (function_arg_32, function_arg_64): Split out ...
3507         (function_arg): ... from here.
3508         (ix86_pass_by_reference): Tidy.
3509         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3510         (function_value_32): New, from parts of ix86_function_value
3511         and ix86_value_regno.
3512         (function_value_64): New, from parts of ix86_function_value
3513         and ix86_libcall_value.
3514         (ix86_function_value_1): New.
3515         (ix86_function_value, ix86_libcall_value): Use it.
3516         (return_in_memory_32, return_in_memory_64): Split out ...
3517         (ix86_return_in_memory): ... from here.
3518         (ix86_struct_value_rtx): Skip for 64-bit.
3519         (ix86_libcall_value, ix86_value_regno): Remove.
3520         (setup_incoming_varargs_64): Split out ...
3521         (ix86_setup_incoming_varargs): ... from here.
3522         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3523         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3524         * config/i386/i386-protos.h (ix86_function_value): Remove.
3525         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3526
3527 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3528
3529         PR other/23572
3530         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3531         infinities not supported, otherwise emit warning if -Woverflow. On
3532         underflow, emit warning if -Woverflow.
3533         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3534         and 0 otherwise.
3535         * real.h (real_from_string): Update declaration
3536
3537 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3538             Richard Henderson  <rth@redhat.com>
3539
3540         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3541         * calls.c (compute_argument_block_size, expand_call,
3542         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3543         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3544         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3545         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3546         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3547         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3548         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3549         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3550         Set to 1.
3551
3552 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3553
3554         * c-incpath.c (add_sysroot_to_chain): New.
3555         (merge_include_chains): Add sysroot argument.  Call
3556         add_sysroot_to_chain if sysrooted.
3557         (register_include_chains): Update call to merge_include_chains.
3558         * doc/cppopts.texi: Document use of '=' in include directory
3559         arguments.
3560
3561 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3562
3563         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3564         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3565         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3566         insn pattern using X87MODEF12 mode macro.
3567
3568 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3569
3570         * regmove.c (regmove_optimize): Use reg_mentioned_p
3571         instead of reg_overlap_mentioned_p for DST.
3572
3573 2007-03-21  Mike Stump  <mrs@apple.com>
3574
3575         * c.opt: Fixup for Objective-C/C++.
3576
3577 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3578
3579         * explow.c (convert_memory_address): Fold memory reference when
3580         POINTERS_EXTEND_UNSIGNED < 0
3581
3582 2007-03-21  Richard Henderson  <rth@redhat.com>
3583
3584         PR target/31245
3585         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3586         * config/i386/mmintrin.h (__m64): Likewise.
3587         * config/i386/xmmintrin.h (__m128): Likewise.
3588
3589 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3590
3591         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3592         (VXWORKS_OS_CPP_BUILTINS): Define.
3593         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3594         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3595
3596 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3597
3598         * rtl.h (constant_pool_reference_p): Delete.
3599         (find_constant_src): Declare.
3600         * rtlanal.c (find_constant_src): New function.
3601         * simplify-rtx.c (constant_pool_reference_p): Delete.
3602         * config/i386/i386.md: Use find_constant_src instead of
3603         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3604
3605 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3606
3607         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3608         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3609
3610 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3611
3612         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3613         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3614         (arm_elf_asm_constructor): Use it.
3615         (arm_elf_asm_destructor): New function.
3616
3617 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3618
3619         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3620
3621 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3622
3623         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3624
3625 2007-03-19  Andrew Haley  <aph@redhat.com>
3626
3627         PR tree-optimization/31264
3628         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3629         VIEW_CONVERT_EXPRs.
3630
3631 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3632
3633         PR rtl-optimization/30907
3634         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3635         (fwprop_init): Always call loop_optimizer_initialize.
3636         (fwprop_done): Always call loop_optimizer_finalize.
3637         (fwprop): We always have loop info now.
3638         (gate_fwprop_addr): Remove.
3639         (pass_fwprop_addr): Use gate_fwprop as gate.
3640
3641         PR rtl-optimization/30841
3642         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3643         df_chain_alloc): Call df_reorganize_refs unconditionally.
3644         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3645         refs_organized to refs_organized_size.
3646         (df_ref_create_structure): Use refs_organized_size instead of
3647         bitmap_size if refs had been organized, and keep refs_organized_size
3648         up-to-date.
3649         * df.h (struct df_ref_info): Change refs_organized to
3650         refs_organized_size.
3651         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3652         bitmap_size.
3653
3654 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3655
3656         * except.c (output_function_exception_table): Do not reference the
3657         EH personality routine for functions that do not require an
3658         exception table.
3659
3660 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3661
3662         PR c/30762
3663         * c-typeck.c (convert_for_assignment): Call comptypes for
3664         RECORD_TYPE or UNION_TYPE.
3665
3666         PR inline-asm/30505
3667         * reload1.c (reload): Do invalid ASM checking after
3668         cleanup_subreg_operands.
3669
3670 2007-03-19  Jeff Law  <law@redhat.com>
3671
3672         * tree-cfg.c (find_taken_edge): Tighten conditions for
3673         optimizing computed gotos.
3674
3675 2007-03-19  Michael Matz  <matz@suse.de>
3676
3677         * builtins.c (expand_builtin_sync_operation,
3678         expand_builtin_compare_and_swap,
3679         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3680         correctly.
3681
3682         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3683         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3684         for operand 3.
3685
3686 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3687
3688         * doc/tm.texi: Add brackets around the return type of
3689         TARGET_SECONDARY_RELOAD.
3690
3691 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3692         Richard Guenther  <rguenther@suse.de>
3693
3694         PR tree-optimization/31254
3695         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3696         Use handled_component_p () where appropriate.  Continue
3697         propagating into the rhs if we propagated into an INDIRECT_REF
3698         on the lhs.
3699
3700 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3701
3702         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3703         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3704         (xde, xdee): Mode attributes adjusted to support DFP modes.
3705         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3706         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3707         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3708         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3709         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3710         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3711         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3712         numbers.
3713         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3714         "movsf"): Insn definitions removed.
3715         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3716         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3717         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3718         definitions added.
3719         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3720         "reload_in<mode>", "reload_out<mode>"): Expander added.
3721         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3722         Expander removed.
3723
3724 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3725
3726         * config/s390/s390.md: Only non-functional changes.  Renamed
3727         FPR mode macro to BFP all over the file.
3728
3729 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3730
3731         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3732         (op_type attribute): RRF instruction type added.
3733         (fT0): New mode attribute.
3734         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3735         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3736         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3737         no secondary memory is needed when moving DFmode values between GPRs
3738         and FPRs.
3739
3740 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3741
3742         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3743         inverted and documentation adjusted.
3744         ("mhard-dfp", "msoft-dfp"): New options.
3745         * config/s390/s390.c (s390_handle_arch_option): New architecture
3746         switch: z9-ec.
3747         (override_options): Sanity checks for the new options added.
3748         * config.gcc: New architecture switch: z9-ec.
3749         * config/s390/s390.h (processor_flags): PF_DFP added.
3750         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3751         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3752         when the bit is NOT set so remove it from the defaults.
3753
3754 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3755
3756         * genemit.c (main): Print include statement for dfp.h.
3757         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3758         is not available.
3759
3760 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3761
3762         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3763
3764 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3765
3766         PR target/31022
3767         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3768         instead of PATTERN.
3769
3770 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3771
3772         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3773         attr_length_call, output_call, output_indirect_call): Cleanup
3774         formatting of targetm calls.
3775
3776 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3777
3778         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3779
3780 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3781
3782         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3783         reservation, bypass and anti-bypass descriptions for these instructions.
3784         Update move patterns.
3785         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3786         TYPE_FPSTORE.
3787
3788 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3789
3790         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3791         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3792         (get_initial_def_for_reduction): Likewise.
3793
3794 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3795
3796         Fix PR tree-optimization/29922
3797         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3798         (get_representative): Removed.
3799         (value_dies_in_block_x): Update for rvuse removal.
3800         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3801         (compute_antic_aux): Handle when PHI nodes appear in
3802         non-single-successors.
3803         (dump_bitmap_of_names): Removed.
3804         (compute_antic_safe): Renamed and removed rvuse calculation.
3805         Calculate only antic safe.
3806         (insert_into_preds_of_block): Remove assert.
3807         (execute_pre): Update for renamed functions.
3808         (defer_or_phi_translate_block): New function.
3809
3810 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3811
3812         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3813         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3814         typos.
3815         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3816         Follow spelling conventions.
3817
3818         * tree-data-ref.h: Remove the prototype for analyze_array.
3819
3820 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3821
3822         PR tree-optimization/31041
3823         * tree-vect-transform.c (get_initial_def_for_induction): Call
3824         force_gimple_operand.
3825
3826 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3827
3828         * ipa-type-escape.c (look_for_casts) : Revert code to use
3829         handled_component_p due to ada test a-numaux.adb.
3830
3831 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3832
3833         * final.c (final_scan_insn): Alter the condition of a
3834         conditional trap if we have nonstandard CC.
3835
3836 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3837
3838         * configure.ac: Remove excess quoting from asm line 0 test.
3839         * configure: Rebuilt.
3840
3841 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3842
3843         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3844         * c-common.c (convert_and_check): Move warning logic to...
3845         (warnings_for_convert_and_check): ...here. Define.
3846         * c-common.h (warnings_for_convert_and_check): Declare.
3847
3848 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3849
3850         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3851         (output_call): Likewise.
3852
3853 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3854
3855         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3856
3857 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3858
3859         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3860
3861 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3862
3863         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3864         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3865
3866 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3867
3868         PR tree-optimization/31183
3869         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3870         Use double_int instead of unsigned int for representing access_strides.
3871         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3872
3873 2007-03-16  Richard Guenther  <rguenther@suse.de>
3874
3875         PR tree-optimization/31146
3876         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3877         to allow recursion of forward_propagate_addr_expr.
3878         (forward_propagate_addr_into_variable_array_index): Likewise.
3879         (forward_propagate_addr_expr): Likewise.
3880         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3881         (forward_propagate_addr_expr_1): Recurse on simple copies
3882         instead of propagating into them.  Do so for useless conversions
3883         as well.
3884         (forward_propagate_addr_expr): Clean up unused statements after
3885         recursion.
3886
3887 2007-03-16  Richard Guenther  <rguenther@suse.de>
3888
3889         * builtins.c (expand_builtin_cexpi): Use the right argument
3890         for the expansion via cexp.
3891
3892 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3893
3894         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3895         * configure: Rebuilt.
3896
3897 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3898
3899         PR debug/29906
3900         * dwarf2out.c (force_type_die): Adjust comment.
3901         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3902
3903 2007-03-15  DJ Delorie  <dj@redhat.com>
3904
3905         * config/frv/predicates.md (minmax_operator): Don't check operands
3906         here.
3907
3908 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3909
3910         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3911         Update constant estimates of number of iterations.
3912         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3913         argument renamed to "realistic".
3914         (compute_estimated_nb_iterations): Removed.
3915         (record_niter_bound): New function.
3916         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3917         call record_nonwrapping_iv with upper = false.
3918         (infer_loop_bounds_from_signedness): Pass upper argument to
3919         record_nonwrapping_iv.
3920         (estimate_numbers_of_iterations_loop): Do not call
3921         compute_estimated_nb_iterations.  Record estimate based on profile
3922         information.  Initialize the constant estimates of number of
3923         iterations.
3924         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3925         estimates.
3926         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3927         number of iterations is too small.
3928         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3929         (EST_NOT_AVAILABLE): Removed.
3930         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3931         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3932         fields.
3933
3934 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3935
3936         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3937         Handle NE_EXPR guards.
3938
3939 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3940
3941         PR c++/24924
3942         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3943         Set also -pedantic-errors by default for the  preprocessor unless
3944         -fpermissive is given.
3945
3946 2007-03-15  Richard Guenther  <rguenther@suse.de>
3947
3948         PR middle-end/29719
3949         PR middle-end/31161
3950         * builtins.c (expand_builtin_cexpi): As a fallback if we
3951         don't have builtins for sincos or cexp create a function
3952         declaration for cexp and expand to a call to that.
3953         (expand_builtin_int_roundingfn): Always fall
3954         back to floor/ceil and its variants even if they may be
3955         not available.
3956
3957 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3958
3959         PR middle-end/31159
3960         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3961         jump tables, move the call to delete_dead_jumptables from here...
3962         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3963         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3964         don't allow merging of blocks that try_redirect_by_replacing_jump
3965         also does not handle when not optimizing.
3966
3967 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3968             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3969
3970         * config/i386/i386.md (x86_sahf_1): Correctly handle
3971         HAVE_AS_IX86_SAHF.
3972
3973 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3974
3975         PR target/31167
3976         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3977         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3978         from operand constraints and use "e" constraint instead.
3979         (*subti3_1, *subti3_1 splitter): Ditto.
3980         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3981         operand[1] predicate.
3982
3983 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
3984
3985         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3986         arrays, multiply the access strides by the size of the sub-array.
3987         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3988
3989 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3990
3991         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3992         the configured assembler supports the sahf mnemonic.
3993         * configure: Regenerate.
3994         * config.in: Regenerate.
3995
3996         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3997         emit "sahf" or ".byte\t0x9e" as asm template.
3998
3999 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4000
4001         PR 31018
4002         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4003         option to replace hard coded TARGET_xxx in md file.
4004         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4005         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4006         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4007         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4008         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4009         (X86_TUNE_NOT_VECTORMODE): Ditto.
4010         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4011         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4012         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4013         (TUNE_SLOW_IMUL_IMM8): Ditto.
4014         (TUNE_MOVE_M1_VIA_OR): Ditto.
4015         (TUNE_NOT_UNPAIRABLE): Ditto.
4016         (TUNE_NOT_VECTORMODE): Ditto.
4017
4018         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4019         options.
4020
4021         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4022         tuning options instead of hard coded TARGET_xxx.
4023         (fix ssemode peephole2's): Ditto.
4024         (imul peephole2's): Ditto.
4025         (movsi_or): Ditto.
4026         (movdi_or_rex64): Ditto.
4027         (move peephole2): Ditto.
4028         (not peephole2's): Ditto.
4029
4030 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4031
4032         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4033         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4034         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4035         of empty body.
4036         * c-parser.c (c_parser_do_statement): Warn about empty body in
4037         do/while statement.
4038         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4039         * doc/invoke.texi (-Wempty-body): Update documentation.
4040
4041 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4042
4043         PR c/21438
4044         * c-common.h (warn_for_div_by_zero): Declare.
4045         * c-common.c (warn_for_div_by_zero): Define.
4046         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4047         warning.
4048
4049 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4050
4051         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4052         to PREFIX and STANDARD_PREFIX.
4053
4054 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4055             Phil Edwards  <phil@codesourcery.com>
4056
4057         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4058         (__gthread_once_t): Remove busy field for RTPs.
4059         (__GTHREAD_ONCE_INIT): Update accordingly.
4060
4061 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4062
4063         * doc/invoke.texi: Document VxWorks options.
4064
4065 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4066
4067         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4068
4069 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4070
4071         PR tree-optimization/30590
4072         * tree-nrv.c (tree_nrv): Check for the partial update of the
4073         return value.
4074
4075 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4076
4077         * flags.h (flag_random_seed): Remove declaration, in favor of...
4078         * toplev.h (get_random_seed, set_random_seed): ... these.
4079         * tree.c (get_file_function_name): Use the former.
4080         * opts.c (common_handle_option): Use the latter.
4081         * toplev.c
4082
4083 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4084
4085         PR middle-end/31127
4086         * cse.c (cse_find_path): Do not bail out if a basic block that
4087         we already visited now becomes part of a path that starts at a
4088         different basic block.  Just disallow this, to make sure we
4089         visit each basic block at most once.
4090
4091 2007-03-13  Jan Hubicka  <jh@suse.cz>
4092
4093         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4094         when profile esitmate is present, calls with very low frequency are
4095         cold.
4096
4097 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4098
4099         PR tree-optimization/30730
4100         PR tree-optimization/26900
4101         * tree-ssa-loop-niter.c: Include gmp.h.
4102         (bounds): New type.
4103         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4104         split_to_var_and_offset, determine_value_range,
4105         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4106         bound_difference, bounds_add, bounds_negate,
4107         number_of_iterations_ne_max, dump_affine_iv): New functions.
4108         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4109         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4110         difference of initial and final value of control iv to validate
4111         results.
4112         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4113         on the difference of the extremes of the control iv.  Add dumps.
4114         (expand_simple_operations): Handle phi nodes.
4115         (simplify_using_initial_conditions): Do not record used conditions.
4116         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4117         Do not set additional_info.
4118         (implies_nonnegative_p, implies_ge_p): Removed.
4119         (derive_constant_upper_bound): Do not use parameter `additional'.
4120         (record_estimate): Parameter `additional' removed.  Parameter
4121         `i_bound' added.  Do not call derive_constant_upper_bound.
4122         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4123         bound the number of iterations estimate.
4124         (estimate_numbers_of_iterations_loop): Pass the estimate from
4125         the number of iterations analysis to record_estimate.
4126         * tree.h (multiple_of_p): Declare.
4127         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4128         (scev_const_prop): Do not check expression_expensive_p.
4129         * fold-const.c (multiple_of_p): Exported.
4130         * double-int.c (double_int_mask): Exported.
4131         * double-int.h (double_int_mask): Declare.
4132         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4133         field.  Added max field.
4134
4135 2007-03-13  David Taylor  <taylor@candd.org>
4136
4137         PR driver/12448:
4138         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4139         default -MQ.
4140
4141 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4142
4143         PR target/31123
4144         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4145         two unamed patterns.
4146
4147 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4148
4149         * config/i386/i386.opt (mcx16, msahf): New options.
4150         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4151         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4152
4153         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4154         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4155         Output -mcx16 and -msahf options when corresponding bit is set.
4156
4157         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4158         and -msahf options.
4159
4160 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4161
4162         * configure.ac: Test for assembler tolerance to # 0 "".
4163         * configure, config.in: Rebuilt.
4164         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4165
4166 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4167
4168         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4169
4170         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4171         (handle_syscall): Handle direct system calls.
4172         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4173
4174 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4175
4176         * doc/invoke.texi: Fix cpp.info cross-reference.
4177         * doc/passes.texi: Fix gcc.info cross-reference.
4178
4179 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4180
4181         PR tree-optimization/30835
4182         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4183         bb_for_stmt is not NULL before accessing it.
4184
4185 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4186
4187         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4188         some multilibs.
4189
4190 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4191
4192         PR 30635
4193         * doc/install.texi: Document --enable-stage1-languages
4194
4195 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4196
4197         * tree-pass.h (pass_into_cfg_layout_mode,
4198         pass_outof_cfg_layout_mode): Declare.
4199         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4200         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4201         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4202         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4203
4204 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4205
4206         * c-decl.c (warn_variable_length_array): New function.
4207         Refactored from grokdeclarator to handle warn_vla
4208         and handle unnamed array case.
4209         (grokdeclarator): Refactored VLA warning case.
4210         * c.opt (Wvla): New flag.
4211         * doc/invoke.texi (Wvla): New warning.
4212
4213 2007-03-12  Richard Henderson  <rth@redhat.com>
4214
4215         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4216         (TARGET_SECTION_TYPE_FLAGS): New.
4217
4218 2007-03-12  Richard Henderson  <rth@redhat.com>
4219
4220         * config/darwin.c (machopic_reloc_rw_mask): New.
4221         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4222         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4223
4224 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4225
4226         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4227         * cppdefault.h (cpp_PREFIX): Document.
4228         (cpp_PREFIX_len): Likewise.
4229         (cpp_EXEC_PREFIX): New variable.
4230         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4231         * c-incpath.c (add_standard_paths): Correct logic for relocating
4232         paths within prefix.
4233
4234 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4235
4236         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4237         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4238         mode macro.
4239         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4240         fix_truncdfdi_sse using SSEMODEF mode macro.
4241         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4242         fix_truncdfsi_sse using SSEMODEF mode macro.
4243         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4244         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4245
4246 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4247
4248         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4249         elfos.h to tm_file.
4250
4251 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4252
4253         * tree.h : Add multiple_of_p declaration.
4254         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4255         * ipa-type-escape.c (results_of_malloc): Redundant.
4256         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4257         (cast_type): Extended with new members.
4258         (check_cast): Returns cast_type.
4259         (cast): New structure for data of walk_use_def_chains.
4260         (is_malloc_result, is_cast_from_non_pointer_1,
4261         is_cast_from_non_pointer,
4262         is_array_access_through_pointer_and_index): New functions.
4263         (look_for_casts): Returns cast types.
4264         (check_call): Returns void.
4265         (okay_pointer_operation): Use support of pointer plus index,
4266         pointer plus constant and allow all multiplications.
4267
4268 2007-03-11  Richard Guenther  <rguenther@suse.de>
4269
4270         PR tree-optimization/31115
4271         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4272         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4273         A shift count of zero is not special as with *_DIV_EXPR.
4274         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4275         direction.
4276
4277 2007-03-11  Ian Lance Taylor  <iant@google.com>
4278
4279         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4280         the *_DIV_EXPR codes correctly with overflow infinities.
4281
4282 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4283
4284         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4285         indicate success/failure of the analysis. Add negation to subtrahend
4286         in case of subtraction. Fail if both operands contain constants.
4287         (create_data_ref): Fail if analyze_offset fails.
4288
4289 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4290
4291         * config/i386/i386.md (frndintxf2): Rename to ...
4292         (rintxf2): ... this. Remove expander having same name.
4293         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4294         (roundsf2, rounddf2): Ditto.
4295         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4296         (lround<mode>di2, lround<mode>si2): Ditto.
4297
4298 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4299
4300         * lower-subreg.c: Include except.h.
4301         (decompose_multiword_subregs): Verify that the only control flow
4302         insns we can split are loads to multi-words pseudos.
4303         Handle breaking such blocks after splitting, instead of calling
4304         find_many_sub_basic_blocks.
4305
4306         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4307         on the new basic block.  Add a lengthy comment explaining why we
4308         thought this was necessary.
4309         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4310
4311 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4312
4313         PR c++/30924
4314         * tree.c (walk_type_fields): Recurse into the element type of
4315         ARRAY_TYPEs if there is a pointer set.
4316
4317 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4318
4319         * c-common.c (warn_logical_operator): Fix condition.
4320
4321 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4322
4323         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4324         quotation mark.
4325         * config/darwin.c (machopic_select_section): Remove superfluous
4326         argument in call to categorize_decl_for_section.  Remove unused
4327         variable shlib.
4328
4329 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4330
4331         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4332         defined.
4333         * configure: Regenerate.
4334
4335 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4336
4337         PR target/31101
4338         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4339         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4340         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4341         Add LABEL_NUSES to emitted label.
4342         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4343         branch probability value to emitted jump insn.
4344         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4345         Do not check life information and do not re-arrange input operands
4346         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4347
4348 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4349
4350         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4351         the change of decode_asm_operands.
4352
4353 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4354
4355         * mode-switching.c (create_pre_exit): Skip blockage insn.
4356
4357 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4358
4359         * tree-pass.h (TODO_update_smt_usage): Remove.
4360         Update all users.
4361         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4362         argument SOME.
4363         Update all users.
4364
4365 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4366
4367         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4368         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4369         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4370         SOM target.
4371
4372 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4373
4374         * gcc.c: Document %{, in big comment at top.
4375         (input_suffix_matches): Remove special handling for .s and
4376         .S.
4377         (input_spec_matches): New.
4378         (handle_braces): Handle %{,.
4379         (validate_switches): ',' indicates a value which is not a switch.
4380         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4381         to detect assembler input.
4382         * config/i386/sol2.h (CPP_SPEC): Likewise.
4383         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4384         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4385         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4386         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4387         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4388         -m64 causes deployment target to default to 10.5.
4389         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4390
4391 2007-03-09  Richard Henderson  <rth@redhat.com>
4392
4393         PR target/26090
4394         * target.h (targetm.asm.out.reloc_rw_mask): New.
4395         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4396         (TARGET_ASM_OUT): Use it.
4397         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4398         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4399         use the new reloc_rw_mask target hook instead.
4400         (default_section_type_flags_1): Merge into...
4401         (default_section_type_flags): ... here.
4402         (decl_readonly_section_1): Merge into...
4403         (decl_readonly_section): ... here.
4404         (default_elf_select_section_1): Merge into...
4405         (default_elf_select_section): ... here.
4406         (default_unique_section_1): Merge into...
4407         (default_unique_section): ... here.
4408         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4409         (default_select_rtx_section): Use it.
4410         (default_elf_select_rtx_section): Likewise.
4411         * output.h: Update to match.
4412         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4413         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4414         (TARGET_ASM_RELOC_RW_MASK): New.
4415         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4416         to categorize_decl_for_section.
4417         (x86_64_elf_unique_section): Likewise.
4418         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4419         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4420         (TARGET_ASM_RELOC_RW_MASK): New.
4421         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4422         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4423         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4424         (TARGET_RWRELOC): Remove.
4425         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4426         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4427         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4428         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4429         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4430         (rs6000_xcoff_select_section): Use decl_readonly_section.
4431         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4432         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4433         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4434         (TARGET_SECTION_TYPE_FLAGS): Remove.
4435         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4436
4437 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4438
4439         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4440         complex constant equality/inequality comparisons for here.
4441         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4442         known at compile-time or can be simplified to a scalar comparison.
4443         (fold_relational_const): Move compile-time evaluation of complex
4444         constant equality/inequality comparisons to here.
4445
4446 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4447
4448         PR rtl-optimization/30643
4449         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4450         dest_addr_elt.
4451         (fold_rtx): Recurse, like before 2006-11-03.
4452
4453 2007-03-09  DJ Delorie  <dj@redhat.com>
4454
4455         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4456         m32c-pragma.o.
4457
4458 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4459
4460         PR tree-optimization/30375
4461         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4462         LHS of statements is not the same.
4463         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4464
4465 2007-03-09  Chao-ying Fu  <fu@mips.com>
4466
4467         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4468         REV 2.
4469         * doc/invoke.texi (-mdspr2): Document new option.
4470         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4471         New unspec for DSP REV 2.
4472         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4473         these instructions are extended in DSP REV 2.
4474         (mips-dspr2.md): Include.
4475         * config/mips/mips.opt (mdspr2): New option.
4476         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4477         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4478         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4479         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4480         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4481         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4482         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4483         and 2 builtins.
4484         (bdesc_map): Add one field of unsupported_target_flags.
4485         (bdesc_arrays):  Update entries to have extra fields.  Add
4486         dsp_32only_bdesc.
4487         (mips_init_builtins): Initialize new function types.
4488         Check unsupported_target_fileds to filter out builtins.
4489         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4490         TARGET_DSPR2.
4491         (ASM_SPEC): Pass mdspr2 to the assembler.
4492         * config/mips/mips-dspr2.md: New file.
4493
4494 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4495
4496         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4497
4498 2007-03-09  Ian Lance Taylor  <iant@google.com>
4499
4500         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4501         argument) like -Wstrict-overflow=2.
4502         * doc/invoke.texi (Warning Options): Update documentation.
4503
4504 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4505
4506         PR c++/17946
4507         * doc/invoke.texi (-Wlogical-op): Document.
4508         * common.opt (-Wlogical-op): New.
4509         * c-common.h (warn_logical_operator): Declare.
4510         * c-common.c (warn_logical_operator): Define.
4511         * c-typeck.c (parser_build_binary_op): Call
4512         warn_logical_operator.
4513
4514 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4515
4516         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4517         * final.c (final_scan_insn): Test for non-"" file name.
4518
4519 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4520
4521         * doc/loop.texi: Document the Omega linear constraints solver.
4522         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4523         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4524         omega-hash-table-size, omega-max-keys, and
4525         omega-eliminate-redundant-constraints.
4526         * tree-pass.h (pass_check_data_deps): Declared.
4527         * omega.c: New.
4528         * omega.h: New.
4529         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4530         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4531         pass_check_data_deps): New.
4532         * tree-data-ref.c (init_data_ref): Remove declaration.
4533         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4534         (analyze_array): Renamed init_array_ref, move up initializations.
4535         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4536         Removed arguments that are set to NULL.
4537         (analyze_indirect_ref): Correct indentation, correct call to
4538         init_pointer_ref.
4539         (object_analysis): Call init_array_ref instead of analyze_array.
4540         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4541         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4542         of DR_ACCESS_FNS_ADDR.
4543         (init_omega_eq_with_af, omega_extract_distance_vectors,
4544         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4545         ddr_consistent_p): New.
4546         (compute_affine_dependence): Check consistency of ddrs when
4547         flag_check_data_deps is passed.
4548         (analyze_all_data_dependences): Uncomment.
4549         (tree_check_data_deps): New.
4550         * tree-data-ref.h: Include omega.h.
4551         (DR_ACCESS_FNS_ADDR): Removed.
4552         (data_dependence_relation): Add inner_loop.
4553         (DDR_INNER_LOOP): New.
4554         * common.opt (fcheck-data-deps): New.
4555         * tree-flow.h (tree_check_data_deps): Declare.
4556         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4557         (OBJS-common): Depend on omega.o.
4558         (omega.o): Define.
4559         * passes.c (pass_check_data_deps): Scheduled.
4560         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4561         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4562         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4563         PARAM_VECT_MAX_VERSION_CHECKS,
4564         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4565
4566 2007-03-09  Richard Guenther  <rguenther@suse.de>
4567
4568         PR tree-optimization/30904
4569         PR middle-end/31058
4570         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4571         the same way as *_DIV_EXPR.
4572
4573 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4574
4575         * recog.c (decode_asm_operands): No mixed declarations and code.
4576
4577 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4578
4579         * rtl.def (ASM_INPUT): Add location.
4580         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4581         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4582         (decode_asm_operands): Add loc operand.
4583         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4584         * stmt.c (expand_asm): Rename to...
4585         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4586         gen_rtx_ASM_INPUT_loc.
4587         (expand_asm_expr): Adjust.
4588         * recog.c (decode_asm_operands): Add loc operand.
4589         (check_asm_operands, extract_insn): Adjust.
4590         * reload1.c (maybe_fix_stack_asms): Likewise.
4591         * final.c (asm_insn_count): Likewise.
4592         (final_scan_insn): Output # line before and after asm.
4593
4594 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4595
4596         * tree-ssa-structalias.c (variable_info): Remove
4597         finished_solution.
4598         (new_var_info): Ditto.
4599         (shared_bitmap_info_t): New structure.
4600         (shared_bitmap_table): New variable.
4601         (shared_bitmap_hash): New function.
4602         (shared_bitmap_eq): Ditto
4603         (shared_bitmap_lookup): Ditto.
4604         (shared_bitmap_add): Ditto.
4605         (merge_smts_into): Change to take bitmap directly.
4606         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4607         (init_alias_vars): Init shared bitmap hashtable.
4608         (delete_points_to_sets): Delete shared bitmap hashtable.
4609         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4610         is_aliased removal as a change that was still necessary was
4611         deleted.
4612
4613 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4614
4615         * config/i386/i386.h (override_options): Conditionally disable
4616         x86_sahf for 64bit targets only.
4617
4618 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4619
4620         PR C/31072
4621         * c-decl.c (merge_decls): Don't call make_var_volatile.
4622         * varasm.c (make_var_volatile): Remove.
4623         * output.h (make_var_volatile): Remove.
4624
4625 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4626
4627         PR tree-optimization/31085
4628         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4629
4630 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4631
4632         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4633         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4634         ATTR_CONST_NOTHROW_LIST.
4635
4636         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4637         FIX_TRUNC_EXPR.
4638
4639 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4640
4641         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4642
4643 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4644
4645         PR 31013
4646         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4647         is declared.
4648         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4649         passed, use shared libgcc.
4650
4651 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4652
4653         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4654         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4655         (honor_protect_cleanup_actions, lower_try_finally_switch):
4656         Likewise.
4657         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4658         ifc_temp_var): Likewise.
4659         * tree-inline.c (setup_one_parameter): Likewise.
4660         * tree-mudflap.c (mf_decl_cache_locals,
4661         mf_build_check_statement_for): Likewise.
4662         * tree-nested.c (init_tmp_var, save_tmp_var,
4663         finalize_nesting_tree_1): Likewise.
4664         * tree-outof-ssa.c (insert_copy_on_edge,
4665         insert_backedge_copies): Likewise.
4666         * tree-profile.c (tree_gen_edge_profiler,
4667         tree_gen_ic_profiler): Likewise.
4668         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4669         * tree-sra.c (sra_build_assignment): Likewise.
4670         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4671         * tree-ssa-math-opts.c (insert_reciprocals,
4672         execute_cse_sincos_1): Likewise.
4673         * tree-tailcall.c (adjust_accumulator_values,
4674         adjust_return_value): Likewise.
4675         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4676         * tree-vect-transform.c (vect_create_data_ref_ptr,
4677         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4678         vect_create_epilog_for_reduction, vectorizable_reduction,
4679         vectorizable_call, vectorizable_conversion,
4680         vectorizable_assignment, vectorizable_operation,
4681         vectorizable_type_demotion, vect_gen_widened_results_half,
4682         vect_permute_store_chain, vectorizable_store,
4683         vect_setup_realignment, vect_permute_load_chain,
4684         vectorizable_load, vectorizable_condition,
4685         vect_create_cond_for_align_checks): Likewise.
4686         * tree-vrp.c (build_assert_expr_for): Likewise.
4687
4688 2007-03-08  Ian Lance Taylor  <iant@google.com>
4689
4690         * tree-vrp.c: Include "intl.h".
4691         (usable_range_p): New static function.
4692         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4693         overflowed values, juts set *strict_overflow_p.
4694         (compare_values): Only return -2 if one of the operands is not a
4695         constant.
4696         (compare_ranges): Call usable_range_p.
4697         (compare_range_with_value): Likewise.
4698         (vrp_evaluate_conditional_warnv): Rename from
4699         vrp_evaluate_conditional.  Make static.  Change all callers.
4700         (vrp_evaluate_conditional): New function.
4701         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4702         on signed overflow.
4703         (simplify_abs_using_ranges): Likewise.
4704         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4705         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4706         within_stmt parameter.
4707         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4708         vrp_evaluate_conditional.
4709         * tree-ssa-threadedge.c
4710         (record_temporary_equivalences_from_stmts_at_dest): Change
4711         simplify parameter to take a second tree parameter.
4712         (simplify_control_stmt_condition): Likewise.
4713         (thread_across_edge): Likewise.
4714         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4715         (thread_across_edge): Likewise.
4716         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4717
4718 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4719
4720         * config/i386/i386.h (TARGET_SAHF): New define.
4721         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4722         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4723         (x86_sahf): New global variable.
4724         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4725         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4726         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4727         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4728         for 64-bit.
4729         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4730         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4731         when expanding fcomi/sahf based tests.
4732         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4733         expanding sahf based alternative. Emit sahf based sequence when
4734         optimizing for code size.
4735         * config/i386/i386.md (x86_sahf_1): Do not disable for
4736         TARGET_64BIT, enable for TARGET_SAHF.
4737
4738 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4739
4740         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4741         spurious whitespace from error message.
4742
4743 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4744
4745         PR c++/30852
4746         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4747
4748 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4749
4750         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4751         bitfields.
4752         * tree-sra.c (instantiate_element): Propagate disabled warnings
4753         from the element itself to the created variable.
4754
4755 2007-03-07  Richard Henderson  <rth@redhat.com>
4756
4757         PR target/30848
4758         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4759         silently fix up the stack in the case of a missing register.
4760
4761 2007-03-07  Paul Brook  <paul@codesourcery.com>
4762
4763         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4764
4765 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4766
4767         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4768         New.
4769         (phase1_vrs): Use them.
4770         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4771         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4772         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4773         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4774         __gnu_Unwind_Restore_WMMXC if required.
4775         (_Unwind_VRS_Pop): Implement iWMMXt support.
4776         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4777         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4778         gnu_Unwind_Save_WMMXC): Define.
4779
4780 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4781
4782         * config/vxworks.h (vxworks_override_options): Declare.
4783         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4784         * config/vxworks.c: Include target.h and toplev.h.
4785         (vxworks_override_options): New function.
4786         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4787
4788 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4789
4790         * config/s390/s390.c (override_options): Don't emit an error when
4791         -mstack-size is used without providing -mstack-guard.
4792         (s390_emit_prologue): Choose stack_guard value automatically if not
4793         provided via command line.
4794         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4795
4796 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4797
4798         * config/i386/i386.c (output_set_got): Add a GOT initialization
4799         sequence for VxWorks PIC.
4800         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4801         around labels as well as symbols.  Use gotoff_operand instead
4802         of local_symbolic_operand.
4803         (legitimize_pic_address): Use gotoff_operand instead of
4804         local_symbolic_operand.  Use @GOT accesses for labels as
4805         well as symbols.
4806         (ix86_output_addr_diff_elt): Use PC-relative rather than
4807         GP-relative offsets for VxWorks PIC.
4808         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4809         no_new_pseudos.  Check whether the returned register is op0.
4810         * config/i386/i386.md (tablejump): Use PC-relative rather than
4811         GP-relative offsets for VxWorks PIC.
4812         * config/i386/predicates.md (gotoff_operand): New predicate.
4813
4814 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4815
4816         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4817         before defining.
4818         * config/vxworks-dummy.h: New file.
4819         * config/i386/i386.h: Include it.
4820
4821 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4822
4823         * dwarf2out.c (is_inlined_entry_point): New
4824         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4825         DW_AT_ranges if the first subblock is the entry point.
4826
4827 2007-03-06  David Daney  <ddaney@avtrex.com>
4828
4829         * doc/install.texi (mips-*-*): Change recommended binutils
4830         version.
4831
4832 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4833
4834         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4835         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4836         devices.
4837         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4838         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4839
4840 2007-03-06  Jan Hubicka  <jh@suse.cz>
4841
4842         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4843         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4844         are hot.
4845         (probably_cold_bb_p): Cold functions are cold.
4846         (probably_never_executed_bb_p): Cold functions are cold.
4847         (tree_bb_level_predictions): Predict calls to cold functions as not
4848         taken.
4849         (compute_function_frequency): Check hot/cold attributes.
4850         * function.h (function_frequency): Update comments.
4851         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4852         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4853         (c_common_att): Add cold and hot.
4854
4855         * doc/extend.texi (hot,cold attributes): Document.
4856
4857 2007-03-06  Andrew Haley  <aph@redhat.com>
4858
4859         * function.c (expand_function_end): Move blockage to just after we
4860         emit the label for the naked return from the function.
4861
4862 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4863
4864         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4865         before redefining.
4866
4867 2007-03-06  Jan Hubicka  <jh@suse.cz>
4868
4869         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4870         loaded for constant large models.  Non-large 64bit PIC can do.
4871         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4872         * cmodel.h: Add LARGE PIC.
4873         * i386.md (UNSPEC_PLTOFF): New.
4874         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4875         needed.
4876         (*call_1_rex64): Disable for large models.
4877         (*call_1_rex64_large): New.
4878         (*call_value_1_rex64): Disable for large models.
4879         (*call_value_1_rex64_large): New.
4880         (set_rip_rex4): New.
4881         (set_got_offset_rex64): New.
4882         * predicates.md (constant_call_address_operand): For large model
4883         constant calls are not possible.
4884         * i386-protos.h (construct_plt_address): Declare.
4885         * i386.c (override_options): Accept large models.
4886         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4887         (legitimate_constant_p): Add new UNSPECs.
4888         (legitimate_pic_operand_p): Likewise.
4889         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4890         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4891         non-large model.
4892         (output_pic_addr_const): Add PLTOFF.
4893         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4894         (ix86_expand_move): Legitimize pic address when in PIC mode.
4895         (construct_plt_address): New function.
4896         (ix86_expand_call): Offload the address to register and use GOT pointer
4897         for large model.
4898         * invoke.texi (mcmodel=large): Update documentation.
4899
4900 2007-03-06  Richard Henderson  <rth@redhat.com>
4901
4902         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4903         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4904         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4905         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4906         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4907         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4908         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4909         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4910         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4911         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4912         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4913         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4914         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4915         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4916         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4917         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4918         x86_schedule, x86_use_bt, x86_pad_returns,
4919         x86_use_xchgb): Merge into ...
4920         (ix86_tune_features): ... here.  New array.
4921         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4922         x86_bswap): Merge into ...
4923         (ix86_arch_features): ... here.  New array.
4924         (x86_3dnow_a): Remove.
4925         (x86_accumulate_outgoing_args): Make static.
4926         (x86_arch_always_fancy_math_387): Make static.
4927         (ix86_tune_mask, ix86_arch_mask): Move ...
4928         (override_options): ... to local variables here.  Apply the
4929         appropriate mask to each element of ix86_arch_features and
4930         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4931         as were done in the old macros.
4932         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4933         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4934         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4935         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4936         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4937         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4938         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4939         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4940         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4941         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4942         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4943         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4944         x86_accumulate_outgoing_args, x86_prologue_using_move,
4945         x86_epilogue_using_move, x86_decompose_lea,
4946         x86_arch_always_fancy_math_387, x86_shift1,
4947         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4948         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4949         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4950         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4951         x86_use_incdec, x86_pad_returns, x86_bswap,
4952         x86_partial_flag_reg_stall): Remove.
4953         (enum ix86_tune_indices): New.
4954         (ix86_tune_features): New.
4955         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4956         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4957         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4958         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4959         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4960         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4961         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4962         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4963         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4964         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4965         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4966         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4967         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4968         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4969         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4970         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4971         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4972         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4973         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4974         TARGET_EXT_80387_CONSTANTS): Use it.
4975         (enum ix86_arch_indices): New.
4976         (ix86_arch_features): New.
4977         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4978         TARGET_BSWAP): Use it.
4979         (ix86_tune_mask, ix86_arch_mask): Remove.
4980
4981 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
4982
4983         PR bootstrap/31020
4984         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4985         Define using $${sysroot_headers_suffix}.
4986         * configure: Regenerate.
4987         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4988         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4989         defined.
4990         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4991         * gcc.c (print_sysroot_headers_suffix): New.
4992         (option_map): Include --print-sysroot-headers-suffix.
4993         (display_help): Mention -print-sysroot-headers-suffix.
4994         (process_command): Handle -print-sysroot-headers-suffix.
4995         (do_spec_1): Append multilib directory to include-fixed path if
4996         sysroot suffixes in use.
4997         (main): Handle -print-sysroot-headers-suffix.
4998         * Makefile.in (start.encap): Don't depend on xlimits.h
4999         (xlimits.h): Remove.
5000         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5001         limits.h for each multilib in fixinc_list.
5002         (fixinc_list, s-fixinc_list): New.
5003         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5004         generate them for each multilib in fixinc_list.
5005         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5006         multilib in fixinc_list.
5007         (mostlyclean): Don't remove xlimits.h.
5008         (clean): Remove include-fixed.
5009         (real-install-headers-tar, real-install-headers-cpio,
5010         real-install-headers-cp): Don't copy include, only include-fixed.
5011         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5012         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5013         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5014         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5015
5016 2007-03-06  Jan Hubicka  <jh@suse.cz>
5017
5018         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5019         NANs easilly.
5020
5021 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5022
5023         * configure.ac: Allow tm_file to contain build-directory files.
5024         * configure: Regenerate.
5025         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5026         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5027         * config/m68k/print-sysroot-suffix.sh: New file.
5028
5029 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5030
5031         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5032         of pic_offset_table_rtx if reload_completed.
5033         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5034         PIC_OFFSET_TABLE_REGNUM.
5035         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5036         return true.
5037         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5038         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5039
5040 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5041
5042         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5043         functions that call eh_return.
5044
5045 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5046
5047         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5048         functions that need a constant pool.
5049
5050 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5051
5052         PR target/28181
5053         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5054         (m68k_preferred_reload_class): Likewise.
5055         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5056         (SECONDARY_RELOAD_CLASS): Define.
5057         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5058         (LIMIT_RELOAD_CLASS): Delete.
5059         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5060         registers from storing bytes.
5061         (m68k_secondary_reload_class): New function.
5062         (m68k_preferred_reload_class): Likewise.
5063
5064 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5065
5066         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5067         leaf functions.
5068         (m68k_expand_prologue): Likewise.
5069
5070 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5071
5072         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5073         (mips_expand_epilogue): Add a bool parameter.
5074         (m68k_legitimize_sibcall_address): Declare.
5075         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5076         (m68k_expand_epilogue): Add a parameter to select between sibling
5077         and normal epilogues.  Only generate a return for the latter.
5078         (m68k_ok_for_sibcall_p): New function.
5079         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5080         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5081         (sibcall_value, *sibcall_value): Likewise.
5082         (*call, *call_value): Require !SIBLING_CALL_P.
5083         (epilogue): Update call to m68k_expand_epilogue.
5084         (sibcall_epilogue): New pattern.
5085         * config/m68k/predicates.md (const_call_operand): Say that this
5086         predicate applies to sibling calls too.
5087         (sibcall_operand): New predicate.
5088
5089 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5090
5091         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5092         alternatives as movsi_cf.
5093         (movsf_cf_hard): Add commentary.
5094
5095 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5096             Richard Sandiford  <richard@codesourcery.com>
5097
5098         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5099         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5100         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5101         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5102         as being live on exit from an interrupt function.
5103         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5104         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5105         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5106         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5107         (m68k_interrupt_function_p): Globalize.
5108         (m68k_compute_frame_layout): Remove reverse mask code.
5109         (m68k_emit_movem, m68k_set_frame_related): New functions.
5110         (m68k_output_function_prologue): Delete in favor of...
5111         (m68k_expand_prologue): ...this new function.
5112         (m68k_output_function_epilogue): Delete in favor of...
5113         (m68k_expand_epilogue): ...this new function.
5114         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5115         functions.
5116         (print_operand): Handle %?.
5117         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5118         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5119         (prologue, epilogue): New patterns.
5120         (return): Turn into a define_expand.
5121         (*return): New pattern, derived from old "return" pattern.  Use rte
5122         rather than rts for interrupt functions.  Only use rtd if the pop
5123         count is nonzero.
5124         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5125         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5126         (link, *link, unlink, *unlink, load_got): Likewise.
5127
5128 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5129
5130         PR target/23482
5131         PR target/17114
5132         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5133         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5134         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5135         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5136         and m68k_matches_u_p.
5137         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5138         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5139         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5140         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5141         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5142         (REG_STRICT_P): New macro.
5143         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5144         PCREL_GENERAL_OPERAND_OK.
5145         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5146         m68k_legitimate_base_reg_p.
5147         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5148         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5149         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5150         * config/m68k/m68k.c (m68k_address): New structure.
5151         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5152         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5153         (m68k_jump_table_ref_p, m68k_decompose_address)
5154         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5155         (m68k_matches_u_p): New functions.
5156         (print_operand_address): Rewrite to use m68k_decompose_index.
5157
5158 2007-03-05  David Taylor  <dtaylor@emc.com>
5159
5160         * gcc.c: Correct copyright date in --version output.
5161
5162 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5163
5164         * pa.md: In unamed move patterns, disparge copies between general
5165         and floating point registers using '?' modifier.  Don't include 'f'
5166         constraint for register preferences in DImode, SImode, HImode and
5167         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5168         Remove constraints for copies between general and floating registers
5169         in soft-float DFmode pattern.
5170         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5171         floating register.
5172         (movsf): Likewise.
5173
5174 2007-03-05  Mike Stump  <mrs@apple.com>
5175
5176         * c-common.c (targetcm): Add.
5177         * c-opts.c (c_common_handle_option): Handle language specific
5178         target options.
5179         * opts.c (handle_option): Verify language for target options, if
5180         any are given.
5181         * opth-gen.awk: Add CL_LANG_ALL.
5182         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5183         (TARGETCM_INITIALIZER): Add.
5184         * target.h (struct gcc_targetcm): Add.
5185         (targetcm): Add.
5186         * targhooks.c (default_handle_c_option): Add.
5187         * targhooks.h (default_handle_c_option): Add.
5188         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5189
5190         * config/darwin.opt (iframework): Add.
5191         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5192         * config/darwin-c.c (handle_c_option): Add.
5193         (TARGET_HANDLE_C_OPTION): Add.
5194         (targetcm): Add.
5195         * doc/invoke.texi (Darwin Options): Add -iframework.
5196
5197 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5198
5199         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5200         conversion.
5201
5202 2007-03-05  Ian Lance Taylor  <iant@google.com>
5203
5204         * c.opt (fgnu89-inline): New option.
5205         * c-opts.c (c_common_post_options): Set default value for
5206         flag_gnu89_inline.
5207         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5208         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5209         inline functions.
5210         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5211         (grokdeclarator, start_function): Likewise.
5212         * c-cppbuiltin.c (c_cpp_builtins): Define either
5213         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5214         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5215         (C Dialect Options): Document -fgnu89-inline.
5216         * doc/extend.texi (Function Attributes): Explain what the
5217         gnu_inline attribute does.
5218         * doc/cpp.texi (Common Predefined Macros): Document
5219         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5220
5221 2007-03-05  Ian Lance Taylor  <iant@google.com>
5222
5223         PR tree-optimization/31034
5224         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5225         half-range if the other side is an overflow infinity.
5226
5227 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5228
5229         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5230         (bfin*-linux-uclibc*): New configuration.
5231         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5232         defining.
5233         * config/bfin/linux.h: New file.
5234         * config/bfin/libgcc-bfin.ver: New file.
5235         * config/bfin/t-bfin-uclinux: New file.
5236         * config/bfin/t-bfin-linux: New file.
5237         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5238         (TARGET_OS_CPP_BUILTINS): New macro.
5239
5240 2007-03-05  Richard Guenther  <rguenther@suse.de>
5241
5242         * fold-const.c (fold_binary): Remove duplicate folding
5243         of comparison of non-null ADDR_EXPR against null.
5244
5245 2007-03-05  Richard Guenther  <rguenther@suse.de>
5246             Dorit Nuzman  <dorit@il.ibm.com>
5247
5248         PR tree-optimization/26420
5249         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5250         are no loops in the function.  Only print the number of
5251         vectorized loops if it is greater than zero or we are supposed
5252         to print information about unvectorized loops.
5253
5254 2007-03-05  Revital Eres  <eres@il.ibm.com>
5255
5256         * gcc.dg/var-expand1.c: New test.
5257         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5258         when an accumulator is expanded.
5259
5260 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5261
5262         PR other/30465
5263         * c-common.c (convert_and_check): Don't give warnings for
5264         conversion if 'expr' already overflowed.
5265
5266 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5267
5268         PR middle-end/30744
5269         * fold-const.c (fold_comparison): Enforce type consistency when
5270         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5271
5272 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5273
5274         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5275         containing a cast to the base of TARGET_MEM_REF.
5276
5277 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5278
5279         * tree.c (tree_contains_struct_check_failed): Remove spurious
5280         whitespace from error message.
5281
5282 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5283
5284         PR target/30406
5285         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5286         instead of precision.
5287
5288 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5289             Nathan Sidwell  <nathan@codesourcery.com>
5290
5291         * emit-rtl.c (find_auto_inc): New.
5292         (try_split): recreate REG_INC notes,
5293         Use regular for loops rather than whiles.
5294
5295 2007-03-03  Andreas Schwab  <schwab@suse.de>
5296
5297         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5298         * configure: Regenerate.
5299
5300 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5301
5302         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5303         flag_rounding_math, not flag_unsafe_math_optimizations.
5304
5305         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5306         fold_build2.
5307         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5308         alpha_fold_vector_minmax): Likewise.
5309         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5310         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5311
5312 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5313
5314         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5315         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5316         if the lhs has side-effects.
5317         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5318
5319 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5320
5321         * config/i386/i386.h (TUNEMASK): Remove define.
5322         (ARCHMASK): Remove define.
5323         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5324          Use ix86_arch_mask variable instead of ARCHMASK.
5325         * config/i386/i386.c (override_options): Ditto.
5326         (standard_80387_constant_p): Ditto.
5327
5328 2007-03-02  Ian Lance Taylor  <iant@google.com>
5329
5330         Used signed infinities in VRP.
5331         * tree-vrp.c (uses_overflow_infinity): New static function.
5332         (supports_overflow_infinity): New static function.
5333         (make_overflow_infinity): New static function.
5334         (negative_overflow_infinity): New static function.
5335         (positive_overflow_infinity): New static function.
5336         (is_negative_overflow_infinity): New static function.
5337         (is_positive_overflow_infinity): New static function.
5338         (is_overflow_infinity): New static function.
5339         (overflow_infinity_range_p): New static function.
5340         (compare_values_warnv): New function split out of compare_values.
5341         (compare_value): Call it.
5342         (set_value_range_to_nonnegative): Add overflow_infinity
5343         parameter.  Change caller.
5344         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5345         Change callers.
5346         (vrp_expr_computes_nonzero): Likewise.
5347         (compare_ranges, compare_range_with_value): Likewise.
5348         (compare_name_with_value, compare_names): Likewise.
5349         (vrp_evaluate_conditional): Likewise.
5350         (set_value_range): Handle infinity
5351         (vrp_operand_equal_p, operand_less_p): Likewise.
5352         (extract_range_from_assert): Likewise.
5353         (vrp_int_const_binop): Likewise.
5354         (extract_range_from_binary_expr): Likewise.
5355         (extract_range_from_unary_expr): Likewise.
5356         (extract_range_from_comparison): Likewise.
5357         (extract_range_from_expr): Likewise.
5358         (dump_value_range): Likewise.
5359         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5360         (test_for_singularity): Likewise.
5361         (vrp_int_const_binop): Remove inline qualifier.
5362         (adjust_range_with_scev): Add comment.
5363         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5364
5365 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5366
5367         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5368         (get_constraint_for): Likewise.
5369         (do_structure_copy): Likewise.
5370         (find_func_aliases): Fix references to MODIFY_EXPR.
5371         (intra_create_variable_infos): Tidy.
5372         * tree-ssa-operands.c (add_virtual_operand): Add argument
5373         IS_CALL_SITE.
5374         When adding members of alias sets, if IS_CALL_SITE is true and
5375         the symbol is not call-clobbered, skip it.
5376         Adjust all callers.
5377
5378 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5379
5380         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5381         entry by means of emit_insn_at_entry.
5382
5383 2007-03-02  Richard Henderson  <rth@redhat.com>
5384
5385         * expr.h (promoted_input_arg): Remove decl.
5386         * function.c (promoted_input_arg): Merge into ...
5387         * combine.c (setup_incoming_promotions): ... only caller.
5388         Rearrange to avoid double loop.
5389
5390 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5391             Peter Bergner  <bergner@vnet.ibm.com>
5392             Janis Johnson  <janis187@us.ibm.com>
5393
5394         * config/rs6000/dfp.md: New file.
5395         * config/rs6000/rs6000.md: Include dfp.md.
5396         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5397         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5398         and TDmode decimal float modes in FP registers.
5399         (num_insns_constant): Likewise.
5400         (rs6000_legitimate_offset_address_p): Likewise.
5401         (rs6000_legitimize_address): Likewise.
5402         (rs6000_legitimize_reload_address): Likewise.
5403         (rs6000_legitimate_address): Likewise.
5404         (rs6000_emit_move): Likewise.
5405         (function_arg_boundary): Likewise.
5406         (function_arg_advance): Likewise.
5407         (rs6000_darwin64_record_arg_recurse): Likewise.
5408         (function_arg): Likewise.
5409         (rs6000_gimplify_va_arg): Likewise.
5410         (rs6000_split_multireg_move): Likewise.
5411         (rs6000_output_function_epilogue): Likewise.
5412         (rs6000_output_function_epilogue): Likewise.
5413         (rs6000_register_move_cost): Likewise.
5414         (rs6000_function_value): Likewise.
5415         (rs6000_libcall_value): Likewise.
5416
5417 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5418
5419         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5420
5421 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5422
5423         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5424         Use $MULTIDIR to choose between the kernel and RTP headers,
5425         and use $WIND_BASE and $WIND_USR to locate them.
5426
5427 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5428
5429         * config/i386/i386.c (override_options): Put initialization of
5430         ix86_tune_mask and ix86_arch_mask to the correct place.
5431
5432 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5433             Michael Meissner  <michael.meissner@amd.com>
5434
5435         PR target/31019
5436         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5437         (ARCHMASK): Define.
5438         (TARGET_CMOVE): Use ARCHMASK.
5439         (TARGET_CMPXCHG): Ditto.
5440         (TARGET_CMPXCHG8B): Ditto.
5441         (TARGET_XADD): Ditto.
5442         (TARGET_BSWAP): Ditto.
5443         * config/i386/i386.c (ix86_tune_mask): New global variable.
5444         (ix86_arch_mask): Ditto.
5445         (override_options): Initialize ix86_tune_mask and
5446         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5447         target_flags.
5448
5449 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5450
5451         PR 30992
5452         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5453
5454 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5455
5456         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5457         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5458         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5459         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5460         hook.
5461         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5462         rs6000_init_dwarf_reg_sizes_extra): New.
5463         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5464         SPE register high parts.
5465
5466 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5467
5468         * Makefile.in: Add install-pdf target as
5469         copied from automake v1.10 rules.
5470         * configure.ac: Add install-pdf to target list.
5471         * configure: Regenerate.
5472
5473 2007-03-01  Paul Brook  <paul@codesourcery.com>
5474
5475         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5476         modes to LDRD for DImode.
5477         (output_move_double): Fixup out of range ldrd/strd.
5478         (vfp_secondary_reload_class): Rename...
5479         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5480         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5481         coproc_secondary_reload_class for CLASS_IWMMXT.
5482         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5483         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5484
5485 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5486
5487         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5488         factor by the estimated number of iterations.
5489         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5490         prefetch latency.
5491
5492         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5493         decode_caches_intel, detect_caches_intel): New functions.
5494         (host_detect_local_cpu): Use detect_caches_amd and
5495         detect_caches_intel.
5496
5497 2007-03-01  Richard Henderson  <rth@redhat.com>
5498
5499         * expr.c (emit_move_complex_push): Export.
5500         (emit_move_complex_parts): Split out from ...
5501         (emit_move_complex): ... here.
5502         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5503         * config/i386/i386.md (movcdi): New.
5504
5505 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5506
5507         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5508         size of mode1 to check for tieable modes in MMX case.
5509
5510 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5511
5512         * Makefile.in (rtlanal.o): Depend on tree.h.
5513         * rtl.h (offset_within_section_p, split_const): Declare.
5514         * rtlanal.c: Include tree.h.
5515         (offset_within_block_p): New function, taken from
5516         mips_offset_within_object_p.
5517         (split_const): New function, taken from mips_split_const.
5518         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5519         Declare.
5520         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5521         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5522         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5523         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5524         (m68k_illegitimate_symbolic_constant_p): New function.
5525         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5526         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5527         symbolic constant that might be outside the symbol's section,
5528         move the symbol first and then add the offset.
5529         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5530         Override.
5531         * config/mips/mips.c (mips_split_const): Delete.
5532         (mips_offset_within_object_p): Delete.
5533         (mips_symbolic_constant_p): Use offset_within_section_p and
5534         split_const instead of mips_offset_within_object_p and
5535         mips_split_const.
5536         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5537         (mips_legitimize_const_move, print_operand_reloc)
5538         (mips_dangerous_for_la25_p): Use split_const instead of
5539         mips_split_const.
5540
5541 2007-02-28  Eric Christopher  <echristo@apple.com>
5542
5543         * Makefile.in (install-include-dir): Don't rm -rf include.
5544
5545 2007-02-28  Richard Guenther  <rguenther@suse.de>
5546
5547         PR middle-end/30364
5548         * fold-const.c (fold_binary): Do not associate expressions
5549         with more than one variable for integer types that do not wrap.
5550
5551 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5552
5553         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5554         Delete, and replace with...
5555         (fold_builtin_call_array): This.  Update callers to use it.
5556         * fold-const.c (fold_build_call_list): Delete, and replace with...
5557         (fold_build_call_array): This.
5558         (fold_build_call_list_initializer): Delete, and replace with...
5559         (fold_build_call_array_initializer): This.
5560         * tree.h: Update declarations to reflect above changes.
5561
5562         * c-typeck.c (build_function_call): Store converted arguments
5563         in a stack-allocated array instead of building a list.
5564         (convert_arguments): Store arguments in the array passed in as an
5565         argument, and return the actual number of arguments.
5566         * c-format.c: (check_function_format): Pass arguments in an
5567         array instead of a list.
5568         * c-common.c (check_function_nonnull): Likewise.
5569         (check_function_sentinel): Likewise.
5570         (check_function_arguments): Likewise.
5571         * c-common.h: Update declarations to reflect above changes.
5572
5573 2007-02-28  Jan Hubicka  <jh@suse.cz>
5574
5575         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5576         PRED_NEGATIVE_RETURN): Update outcomes.
5577
5578 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5579
5580         * calls.c (emit_library_call_value_1): Handle partial registers
5581         correctly when building up CALL_INSN_FUNCTION_USAGE.
5582
5583 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5584
5585         * pa/predicates.md (move_src_operand): Allow zero for mode.
5586         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5587         move pattern.
5588
5589 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5590
5591         PR target/30970
5592         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5593         *movv2df_internal): Enable pattern only for valid operand
5594         combinations.
5595         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5596         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5597
5598 2007-02-27  Mike Stump  <mrs@apple.com>
5599
5600         * config/darwin-crt3.c: Avoid compilation when compiling for a
5601         kext multilib.
5602
5603 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5604
5605         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5606         FIXED_INCLUDE_DIR.
5607         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5608         for fixed headers and limits.h.
5609         (install-include-dir, install-headers-tar, install-headers-cpio,
5610         install-headers-cp, real-install-headers-tar,
5611         real-install-headers-cpio, real-install-headers-cp): Handle
5612         include-fixed as well as include.
5613         (install-mkheaders): Don't install files that go only in include
5614         not include-fixed.
5615         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5616         from GCC_INCLUDE_DIR.
5617         * gcc.c (process_command): Remove special -BstageN/ handling.
5618         (do_spec_1): Add include-fixed directories.
5619
5620 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5621
5622         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5623         _smulsi3_highpart.
5624         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5625         New functions.
5626         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5627         patterns.
5628
5629 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5630
5631         * c-common.c (get_priority): Add check for
5632         SUPPORTS_INIT_PRIORITY.
5633
5634 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5635
5636         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5637
5638         * config/bfin/bfin.c: Include "cfglayout.h".
5639         (MAX_LSETUP_DISTANCE): New macro.
5640         (struct loop_info): New members incoming, incoming_src and
5641         incoming_dest.  Delete member predecessor.
5642         (length_for_loop): New function.
5643         (bfin_optimize_loop): Handle more different loop structures.
5644         (bfin_discover_loop): Rework detection of predecessor blocks by
5645         examining incoming edges.
5646         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5647         bfin_reorg_loops.
5648         (bfin_reorder_loops): New function.
5649         (bfin_reorg_loops): Use these three new functions.
5650
5651         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5652         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5653         (CONSTRAINT_LEN): Add entry for 'q'.
5654         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5655         Add 'q' constraints.
5656         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5657         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5658
5659         * config/bfin/bfin.md (add_with_carry): New pattern.
5660         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5661         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5662         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5663         support unsigned multiplies too.  Removed incorrect commutativity from
5664         operand 1 constraint where appropriate.
5665         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5666         patterns.
5667         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5668         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5669         New patterns.
5670         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5671         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5672         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5673         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5674         usmulhisi_hh_huh): New patterns.
5675
5676         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5677         lshifthi3): Fix output template to use half reg for operand 2.
5678
5679         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5680         instead of R2.
5681
5682         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5683
5684 2007-02-27  Andreas Schwab  <schwab@suse.de>
5685
5686         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5687
5688 2007-02-27  Jan Hubicka  <jh@suse.cz>
5689
5690         * predict.c (last_basic_block_p): Remove.
5691         (tree_estimate_probability): Update return heuristic for commonized
5692         return blocks.
5693
5694 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5695
5696         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5697
5698 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5699
5700         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5701         * doc/cpp.texi: Standardize title page.
5702         * doc/cppinternals.texi: Likewise.
5703         * doc/gcc.texi: Standardize title page, remove version number
5704         from copyright page.
5705         * doc/gccint.texi: Likewise.
5706         * doc/install.texi: Standardize title page, add table of
5707         contents.
5708
5709 2007-02-26  Jan Hubicka  <jh@suse.cz>
5710
5711         * predict.def: Set outcomes according to more recent results.
5712         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5713         Remove dead predictors.
5714         * predict.c (return_prediction): Fix pasto.
5715
5716 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5717
5718         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5719         change; avoid a memory leak when returning early.
5720
5721 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5722
5723         * c-decl.c (static_ctors): Move to c-common.c.
5724         (static_dtors): Likewise.
5725         (finish_function): Use c_record_cdtor_fn.
5726         (build_cdtor): Move to c-common.c.
5727         (c_write_global_declarations): Use c_build_cdtor_fns.
5728         * c-common.h (static_ctors): Declare.
5729         (static_dtors): Likewise.
5730         (c_record_cdtor_fn): Likewise.
5731         (c_build_cdtor_fns): Likewise.
5732         * c-common.c (static_ctors): New variable.
5733         (static_dtors): Likewise.
5734         (c_record_cdtor_fn): New function.
5735         (build_cdtor): Move from c-decl.c
5736         (c_build_cdtor_fns): New function.
5737
5738         * output.h (assemble_addr_to_section): Declare.
5739         (get_cdtor_priority_section): Likewise.
5740         * varasm.c (assemble_addr_to_section): New function.
5741         (get_cdtor_priority_section): Likewise.
5742         (default_named_section_asm_out_destructor): Use them.
5743         (destor_dtor_section_asm_out_destructor): Likewise.
5744         (default_named_section_asm_out_constructor): Likewise.
5745         (default_ctor_section_asm_out_constructor): Likewise.
5746         * config.gcc (*-*-vxworks*): Include vxworks.o.
5747         * config/t-vxworks (vxworks.o): New target.
5748         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5749         (TARGET_ASM_CONSTRUCTOR): Define.
5750         (TARGET_ASM_DESTRUCTOR): Likewise.
5751         (vxworks_asm_out_constructor): Declare.
5752         (vxworks_asm_out_destructor): Likewise.
5753
5754         * c-common.c (get_priority): Check that we have not just an
5755         INTEGER_CST, but an integer constant with integeral type.
5756
5757 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5758
5759         PR tree-optimization/30938
5760         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5761         use &dt[nargs-1] instead of &dt[nargs] in the call to
5762         vect_is_simple_use().
5763
5764 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5765
5766         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5767         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5768         Do not attempt to handle MEM inside auto-inc expressions.
5769         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5770         of a register modified by an auto-inc expression.  However, do handle
5771         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5772         (elimination_effects): Prohibit elimination of a register modified
5773         by an auto-inc expression.  Disable register elimination rules whose
5774         target register is modified by an auto-inc expression with variable
5775         increment.
5776
5777 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5778
5779         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5780         off-by-one error.
5781         (array_at_struct_end_p): New function.
5782         (idx_infer_loop_bounds): Use it.
5783         (estimate_numbers_of_iterations_loop): Export.
5784         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5785         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5786         (tree_estimate_probability): Call record_loop_exits.
5787         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5788         (estimated_loop_iterations, estimated_loop_iterations_int,
5789         estimated_loop_iterations_tree): New functions.
5790         (analyze_siv_subscript_cst_affine,
5791         compute_overlap_steps_for_affine_1_2,
5792         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5793         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5794         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5795         (PRED_LOOP_ITERATIONS_GUESSED): New.
5796         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5797         * cfgloop.h (estimate_numbers_of_iterations_loop,
5798         estimated_loop_iterations_int): Declare.
5799
5800 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5801
5802         * doc/extend.texi: Document optional priority argument to
5803         constructors and destructors.
5804         * tree.c (init_priority_for_decl): Adjust GTY markers.
5805         (init_ttree): Use priority-info hash functions for
5806         init_priority_for_decl.
5807         (tree_map_eq): Rename to ...
5808         (tree_map_base_eq): ... this.
5809         (tree_map_marked_p): Rename to ...
5810         (tree_map_base_marked_p): ... this.
5811         (tree_map_base_hash): New function.
5812         (decl_init_priority_lookup): Rework.
5813         (decl_fini_priority_lookup): New function.
5814         (decl_priority_info): New function.
5815         (decl_init_priority_insert): Use it.
5816         (decl_fini_priority_insert): Likewise.
5817         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5818         hierarchy.
5819         (decl_restrict_base_insert): Likewise.
5820         (decl_debug_expr_insert): Likewise.
5821         (decl_value_expr_lookup): Likewise.
5822         (decl_value_expr_insert): Likewise.
5823         * tree.h (priority_type): New type.
5824         (decl_init_priority_lookup): Use priority_type.
5825         (decl_fini_priority_lookup): New function.
5826         (decl_init_priority_insert): Use priority_type.
5827         (decl_fini_priority_insert): New function.
5828         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5829         (DECL_INIT_PRIORITY): Likewise.
5830         (SET_DECL_INIT_PRIORITY): Add comment.
5831         (DECL_FINI_PRIORITY): New macro.
5832         (SET_DECL_FINI_PRIORITY): Likewise.
5833         (DEFAULT_INIT_PRIORITY): Document.
5834         (MAX_INIT_PRIORITY): Likewise.
5835         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5836         (tree_map_base): New type.
5837         (tree_map_base_eq): New function.
5838         (tree_map_base_hash): Likewise.
5839         (tree_map_base_marked_p): Likewise.
5840         (tree_map): Inherit from tree_map_base.
5841         (tree_map_eq): Make it a macro.
5842         (tree_map_marked_p): Likewise.
5843         (tree_int_map): Inherit from tree_map_base.
5844         (tree_int_map_eq): Make it a macro.
5845         (tree_int_map_hash): Likewise.
5846         (tree_int_map_marked_p): Likewise.
5847         (tree_priority_map): New type.
5848         (tree_priority_map_eq): New macro.
5849         (tree_priority_map_hash): Likewise.
5850         (tree_priority_map_marked_p): Likewise.
5851         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5852         hierarchy.
5853         (emutls_common_1): Likewise.
5854         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5855         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5856         of tree_map hierarchy.
5857         * tree-cfg.c (move_stmt_r): Likewise.
5858         (new_label_mapper): Likewise.
5859         * c-tree.h (c_expand_body): Move to ...
5860         * c-common.h (c_expand_body): ... here.
5861         * c-decl.c (c_expand_body): Move to ...
5862         * c-common.c (c_expand_body): ... here.
5863         (c_common_attribute_table): Allow 1 argument for the constructor
5864         and destructor attributes.
5865         (get_priority): New function.
5866         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5867         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5868
5869 2007-02-24  Jan Hubicka  <jh@suse.cz>
5870
5871         PR middle-end/30509
5872         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5873
5874 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5875             Jan Hubicka  <jh@suse.cz>
5876
5877         PR target/30778
5878         * i386.c (counter_mode): New function.
5879         (expand_set_or_movmem_via_loop): Use it.
5880         (expand_movmem_epilogue): Likewise; fix pasto.
5881         (ix86_expand_movmem): Do emit guard even for constant counts.
5882         (ix86_expand_setmem): Likewise.
5883
5884 2007-02-25  Nick Clifton  <nickc@redhat.com>
5885
5886         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5887         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5888
5889 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5890
5891         PR target/30770
5892         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5893         count argument with 0x10, not with 0x16.
5894         (expand_setmem_epilogue): Ditto.
5895
5896 2007-02-24  Mike Stump  <mrs@apple.com>
5897
5898         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5899         symbols.
5900
5901 2007-02-24  Richard Guenther  <rguenther@suse.de>
5902
5903         PR middle-end/30951
5904         * fold-const.c (fold_binary): Fold x +- CST op x for
5905         EQ_EXPR and NE_EXPR.
5906
5907 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5908
5909         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5910
5911 2007-02-24  Jan Hubicka  <jh@suse.cz>
5912
5913         * cgraphunit.c (decide_is_function_needed): Honor
5914         -fkeep-inline-functions.
5915
5916 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5917
5918         * builtins.c (fold_builtin_modf): New.
5919         (fold_builtin_2): Use it.
5920
5921 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5922
5923         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5924         (determine_max_iter): Take additional LOOP arg; all callers changed.
5925         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5926         one using simplifications.
5927         (simplify_using_initial_values): Return if the expression becomes
5928         invalid due to altered regs.
5929
5930 2007-02-23  DJ Delorie  <dj@redhat.com>
5931
5932         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5933
5934 2007-02-23  Mike Stump  <mrs@apple.com>
5935
5936         * tlink.c (scan_linker_output): Parse linker messages from
5937         darwin9's linker better.
5938
5939 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5940
5941         PR debug/29614
5942         * varpool.c (varpool_assemble_pending_decls):  Set
5943         varpool_last_needed_node to null.
5944
5945 2007-02-23  DJ Delorie  <dj@redhat.com>
5946
5947         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5948         alignment bigger than the object file can handle.
5949
5950 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5951
5952         PR target/30825
5953         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5954         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5955         (*movsf_1): Penalize MMX moves.
5956
5957 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5958
5959         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5960         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5961
5962         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5963
5964 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5965
5966         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5967         (fold_builtin_1): Use them.
5968         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5969         BUILT_IN_SIGNIFICAND.
5970
5971 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5972
5973         * config/i386/i386.c (bdesc_1arg): Initialize
5974         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5975         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5976         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5977         and IX86_BUILTIN_MOVSLDUP.
5978
5979 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5980
5981         PR rtl-optimization/30841
5982         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5983
5984 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5985
5986         * builtins.c (fold_builtin_frexp): New.
5987         (fold_builtin_2): Use it.
5988
5989 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
5990
5991         * doc/invoke.texi (Spec Files): Document getenv spec function.
5992
5993         * gcc.c (getenv_spec_function): New function.
5994         (static_spec_functions): Add it.
5995         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5996         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5997         header files.
5998
5999 2007-02-22  Michael Matz  <matz@suse.de
6000
6001         PR c++/29433
6002         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6003         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6004
6005 2007-02-22  Ian Lance Taylor  <iant@google.com>
6006
6007         PR debug/30898
6008         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6009         (mem_loc_descriptor): Call it.
6010
6011 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6012             Ira Rosen  <irar@il.ibm.com>
6013
6014         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6015
6016 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6017
6018         PR tree-optimization/30843
6019         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6020         stores only after all the group is vectorized.
6021
6022 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6023
6024         PR tree-optimization/30858
6025         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6026         in the reduction cycle have a single use in the loop.
6027         * tree-vectorizer.h (relevant): Add documentation.
6028
6029 2007-02-20  Mike Stump  <mrs@apple.com>
6030
6031         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6032         * configure: Regenerate.
6033
6034 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6035
6036         Change the defaults of some parameters and options.
6037         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6038         * config/spu/spu.c (spu_optimization_options): Add.
6039         (spu_override_options): Change params in spu_optimization_options.
6040         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6041
6042         Register 127 is only 16 byte aligned when used as a frame pointer.
6043         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6044         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6045         HARD_FRAME_POINTER_REGNUM.
6046         (spu_legitimate_address):  Use regno_aligned_for_reload.
6047         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6048         aligned when frame_pointer_needed is true.
6049         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6050         to 8 bits.
6051         * config/spu/spu.h (INIT_EXPANDERS): Define.
6052
6053         Make sure shift and rotate instructions have valid immediate operands.
6054         * config/spu/predicates.md (spu_shift_operand): Remove.
6055         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6056         * config/spu/constraints.md (W, O): Extend range.
6057         * config/spu/spu.md (umask, nmask): Define.
6058         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6059         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6060         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6061         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6062         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6063         (lshr<mode>3_reg):  Fix rtl description.
6064
6065         Make sure mulhisi immediate operands are valid.
6066         * config/spu/predicates.md (imm_K_operand): Add.
6067         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6068
6069         Generate constants using fsmbi and andi.
6070         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6071         (print_operand, spu_split_immediate, classify_immediate,
6072         fsmbi_const_p): Handle IC_FSMBI2.
6073
6074         Correctly handle a CONST_VECTOR containing symbols.
6075         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6076         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6077         (immediate_load_p): Allow symbols that use 2 instructions to create.
6078         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6079         with symbols when flag_pic is set.
6080         (const_vector_immediate_p): New.
6081         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6082         accept a CONST_VECTOR with symbols.
6083         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6084         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6085         correctly.
6086         * config/spu/spu.md (high, low): Delete.
6087         (low_<mode>): Define.
6088
6089         Remove INTRmode and INTR_REGNUM, which didn't work.
6090         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6091         of INTR_REGNUM.
6092         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6093         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6094         peephole2 pattern): Don't use INTR or 131.
6095         (movintrcc): Delete.
6096         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6097         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6098         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6099         (UNSPEC_SET_INTR): Add.
6100         * config/spu/spu-modes.def (INTR): Remove.
6101
6102         More accurate warnings about run-time relocations.
6103         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6104
6105         Correctly warn about immediate arguments to specific intrinsics.
6106         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6107         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6108         the instruction predicate.
6109
6110         Fix tree check errors with latest update.
6111         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6112         CALL_EXPR_ARG.
6113         (spu_expand_builtin): Use CALL_EXPR_FN.
6114
6115         Add missing specific intrinsics.
6116         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6117         si_bislede.
6118         * config/spu/spu_internals.h: Ditto.
6119
6120         Fix incorrect operand modifiers.
6121         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6122         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6123
6124         Optimize one case of zero_extend of a vec_select.
6125         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6126
6127         Accept any immediate for hbr.
6128         * config/spu/spu.md (hbr):  Change s constraints to i.
6129
6130 2007-02-21  Paul Brook  <paul@codesourcery.com>
6131
6132         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6133         condexec_count when skipping USE and CLOBBER.
6134
6135 2007-02-21  Nick Clifton  <nickc@redhat.com>
6136
6137         * common.opt (Warray-bounds): Add Warning attribute.
6138         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6139         Likewise.
6140         (fsized-zeroes): Add Optimization attribute.
6141         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6142         * c.opt (Wc++0x-compat): Add Warning attribute.
6143
6144 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6145
6146         PR middle-end/30761
6147         * reload1.c (eliminate_regs_in_insn): In the single_set special
6148         case, attempt to re-recognize the insn before falling back to
6149         having reload fix it up.
6150
6151 2007-02-20  Eric Christopher  <echristo@gmail.com>
6152
6153         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6154         Rewrite accordingly.
6155         (frv_read_iacc_argument): Ditto.
6156         (frv_expand_set_builtin): Take a call instead of arglist, update for
6157         above changes.
6158         (frv_expand_unop_builtin): Ditto.
6159         (frv_expand_binop_builtin): Ditto.
6160         (frv_expand_cut_builtin): Ditto.
6161         (frv_expand_binopimm_builtin): Ditto.
6162         (frv_expand_voidbinop_builtin): Ditto.
6163         (frv_expand_int_void2arg): Ditto.
6164         (frv_expand_prefetches): Ditto.
6165         (frv_expand_voidtriop_builtin): Ditto.
6166         (frv_expand_voidaccop_builtin): Ditto.
6167         (frv_expand_load_builtin): Ditto.
6168         (frv_expand_store_builtin): Ditto.
6169         (frv_expand_mdpackh_builtin): Ditto.
6170         (frv_expand_mclracc_builtin): Ditto.
6171         (frv_expand_mrdacc_builtin): Ditto.
6172         (frv_expand_mwtacc_builtin): Ditto.
6173         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6174         calls for above.
6175
6176 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6177
6178         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6179         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6180         cmpb instruction.
6181         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6182         point instructions.
6183         * configure: Regenerate.
6184         * config.in: Regenerate.
6185         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6186         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6187         masks to power6 and power6x and to POWERPC_MASKS.
6188         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6189         _ARCH_PWR6.
6190         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6191         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6192         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6193         Access PROTOTYPE as variable, not mask.
6194
6195 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6196
6197         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6198         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6199         * combine.c (adjust_for_new_dest): Use it.
6200         * postreload.c (reload_combine): Likewise.
6201
6202 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6203
6204         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6205         notes on an insn with multiple sets, even if single_set returns
6206         non-NULL for that insn.
6207
6208 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6209
6210         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6211         scalbn and scalbln.
6212
6213 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6214
6215         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6216         if user didn't pass it.
6217         * config/i386/darwin.h (CC1_SPEC): Likewise.
6218         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6219         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6220         -mmacosx-version-min.
6221
6222 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6223             Uros Bizjak  <ubizjak@gmail.com>
6224
6225         * optabs.h (enum optab_index): Add new OTI_scalb.
6226         (scalb_optab): Define corresponding macro.
6227         * optabs.c (init_optabs): Initialize scalb_optab.
6228         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6229         patterns.
6230         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6231         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6232         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6233         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6234         flag_unsafe_math_optimizations is set.
6235
6236         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6237         to implement scalbf, scalb and scalbl built-ins as inline x87
6238         intrinsics.
6239
6240 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6241             DJ Delorie <dj@redhat.com>
6242
6243         PR other/30824
6244         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6245         (diagnostic_report_diagnostic): ... here, and turn them into real
6246         errors. If warnings are inhibited, no need to do anything.
6247
6248 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6249
6250         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6251         better code generation.
6252
6253 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6254
6255         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6256
6257 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6258
6259         * config/alpha/alpha.c, config/alpha/alpha.md,
6260         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6261         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6262         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6263         config/arm/lib1funcs.asm: Follow spelling conventions.
6264
6265         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6266         config/fr30/fr30.md, config/i386/i386.h,
6267         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6268         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6269         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6270         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6271         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6272         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6273         config/sparc/sparc.c, config/sparc/sparc.h,
6274         config/sparc/sparc.md, config/spu/constraints.md,
6275         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6276         conventions.
6277
6278 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6279
6280         PR target/29943
6281         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6282         alias attribute.
6283
6284 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6285
6286         * doc/invoke.texi (-ftree-lrs): Remove.
6287
6288 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6289
6290         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6291         NULL.
6292
6293 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6294
6295         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6296         new CALL_EXPR_FN macro for retrieving the function
6297         declaration of the input expression.
6298
6299 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6300
6301         * c.opt (Waddress): New.
6302         * common.opt (Walways-true): Delete.
6303         (Wstring-literal-comparison): Delete.
6304         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6305         -Wstring-literal-comparison. Add -Waddress.
6306         (Waddress): New.
6307         (Walways-true): Delete.
6308         (Wstring-literal-comparison): Delete.
6309         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6310         consistently instead of -Walways-true in example.
6311         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6312         * c-typeck.c (parser_build_binary_op): Replace
6313         -Wstring-literal-comparison and -Walways-true with -Waddress.
6314         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6315         with -Waddress.
6316
6317 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6318
6319         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6320         without DECL_STRUCT_FUNCTION initialized.
6321
6322 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6323
6324         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6325         due to calls to functions taking pointers as parameters.
6326
6327 2007-02-19  Richard Henderson  <rth@redhat.com>
6328
6329         PR debug/29558
6330         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6331         in memory.
6332
6333 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6334
6335         * config/s390/s390.c (s390_call_saved_register_used,
6336         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6337         accessed to the new scheme.
6338
6339 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6340
6341         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6342         (cris_print_index, cris_print_operand, cris_print_operand_address)
6343         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6344         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6345         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6346         GET_CODE () == xxx.
6347         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6348         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6349         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6350         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6351         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6352         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6353         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6354         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6355         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6356         (uminsi3, call, call_value): Ditto.
6357         (define_split: indir_to_reg_split, unnamed): Ditto.
6358
6359 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6360
6361         PR tree-optimization/30975
6362         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6363         wrong assert.
6364
6365 2007-02-18  Eric Christopher  <echristo@gmail.com>
6366
6367         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6368         Remove use of arglist.
6369         (mips_expand_builtin): Remove use of arglist, pass in expr.
6370         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6371         (mips_expand_builtin_movtf): Ditto.
6372         (mips_expand_builtin_compare): Ditto.
6373
6374 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6375
6376         * tree-sra.c (sra_build_assignment): Replace assertion
6377         checking with a comment explaining why it can't be done.
6378
6379 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6380
6381         PR middle-end/30833
6382         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6383         during CALL_EXPR representation conversion.
6384         * tree-ssa-propagate.c (set_rhs): Likewise.
6385
6386 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6387
6388         * tree-sra.c (sra_build_assignment): Disable assertion checking
6389         for now.
6390
6391 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6392
6393         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6394         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6395         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6396         Likewise.
6397         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6398         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6399         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6400         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6401         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6402         force_gimple_operand): Likewise.
6403         * ipa-cp.c (constant_val_insert): Likewise.
6404         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6405         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6406         perfect_nestify): Likewise.
6407         * langhooks.c (lhd_omp_assignment): Likewise.
6408         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6409         lower_copyprivate_clauses, lower_send_clauses,
6410         lower_send_shared_vars, expand_parallel_call,
6411         expand_omp_for_generic, expand_omp_for_static_nochunk,
6412         expand_omp_for_static_chunk, expand_omp_sections,
6413         lower_omp_single_copy, lower_omp_for_lastprivate,
6414         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6415         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6416         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6417         Likewise.
6418
6419 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6420
6421         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6422         config/sh/sh.md: Follow spelling conventions.
6423
6424         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6425         config/frv/predicates.md: Follow spelling conventions.
6426
6427         * config/m68k/linux-unwind.h: Fix a comment typo.
6428         * target.h: Follow spelling conventions.
6429
6430 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6431
6432         PR rtl-optimization/28173
6433         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6434         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6435         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6436         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6437         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6438
6439 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6440
6441         * builtins.c (fold_builtin_load_exponent): New.
6442         (fold_builtin_2): Use it.
6443
6444 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6445
6446         PR rtl-optimization/30773
6447         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6448         if we fail to attach a REG_EQUIV note.
6449
6450 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6451             Roger Sayle  <roger@eyesopen.com>
6452
6453         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6454
6455 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6456
6457         * calls.c (initialize_argument_information): Pass original EXP
6458         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6459         code to split complex arguments here, as part of initializing the
6460         ARGS array.
6461         (expand_call): Remove code that builds a list of arguments and
6462         inserts implicit arguments into it.  Instead, just count how many
6463         implicit arguments there will be so we can determine the size of
6464         the ARGS array, and let initialize_argument_information do the work.
6465         (split_complex_values): Delete unused function.
6466
6467 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6468
6469         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6470
6471 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6472
6473         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6474         for arg pointer based indexed addressing.
6475
6476 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6477
6478         * config/ia64/ia64.h, config/ia64/ia64.md,
6479         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6480         spelling conventions.
6481
6482 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6483
6484         * config/m68k/m68k.c (split_di): New.
6485         * config/m68k/m68k-protos.h: Declare split_di.
6486         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6487           Improve predicate handling and split constant shifts.
6488
6489 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6490
6491         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6492         parameter for register bitfield operations, general predicates
6493         cleanup
6494
6495 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6496
6497         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6498         * config/m68k/linux-unwind.h: New file.
6499
6500 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6501
6502         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6503         config/i386/athlon.md, config/ia64/ia64.md,
6504         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6505         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6506         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6507         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6508         tree-vect-transform.c: Fix comment typos.
6509
6510 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6511
6512         * sched-deps.c (find_insn_list): Remove.
6513         * sched-int.h: Remove the prototype for find_insn_list.
6514
6515 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6516
6517         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6518         to linker.
6519         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6520         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6521         darwin_rs6000_override_options.
6522         (C_COMMON_OVERRIDE_OPTIONS): Expect
6523         darwin_macosx_version_min to be non-NULL always.
6524         (TARGET_C99_FUNCTIONS): Likewise.
6525         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6526         (DARWIN_MINVERSION_SPEC): New.
6527         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6528         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6529         to cc1*.
6530         (DARWIN_MINVERSION_SPEC): New.
6531         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6532         value.
6533         * config/darwin-c.c (darwin_cpp_builtins): Expect
6534         darwin_macosx_version_min to be non-NULL always.
6535
6536         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6537
6538 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6539
6540         * config/i386/i386.h (x86_use_xchgb): New.
6541         (TARGET_USE_XCHGB): New macro.
6542         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6543         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6544         Split after reload into bswaphi for shifts of 8.
6545         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6546         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6547         or when optimizing for size.
6548
6549 2007-02-16  Richard Guenther  <rguenther@suse.de>
6550             Christian Bruel  <christian.bruel@st.com>
6551
6552         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6553         DECLs but prefer SSA_NAMEs over DECLs.
6554
6555 2007-02-16  Richard Guenther  <rguenther@suse.de>
6556
6557         * tree-flow-inline.h (single_imm_use_p): Remove.
6558         (zero_imm_uses_p): Likewise.
6559         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6560         instead of single_imm_use_p.
6561         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6562         zero_imm_uses_p.
6563
6564 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6565
6566         PR other/27843
6567         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6568         nested double- and backquotes.
6569
6570 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6571
6572         PR middle-end/30391
6573         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6574         should be unreachable.
6575         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6576         For the time being redirect GIMPLE_MODIFY_STMT to the new
6577         (renamed) build_gimple_modify_stmt_stat.
6578         (build2_gimple_stat): Rename to...
6579         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6580         Always build a GIMPLE_MODIFY_STMT node.
6581         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6582         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6583         declarations.
6584
6585         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6586         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6587         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6588         expand_complex_div_wide): Likewise.
6589         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6590         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6591         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6592         * tree-ssa-loop-manip.c (create_iv): Likewise.
6593         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6594         abs_replacement): Likewise.
6595         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6596         realify_fake_stores): Likewise.
6597
6598         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6599         node rather than a GIMPLE_MODIFY_STMT node.
6600         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6601         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6602         Likewise.
6603         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6604         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6605         GIMPLE_MODIFY_STMT.
6606
6607 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6608
6609         PR middle-end/30433
6610         * fold-const.c (fold_comparison): Add back the
6611         folding of constant complex comparisions.
6612
6613 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6614
6615         PR middle-end/30729
6616         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6617         effects unknown to this function, return early.
6618
6619 2007-02-15  Ian Lance Taylor  <iant@google.com>
6620
6621         * lower-subreg.c (move_eh_region_note): New static function.
6622         (resolve_simple_move): Call it.
6623         (decompose_multiword_subregs): Track blocks for which we resolve a
6624         simple move which is also a control flow insn.  Pass them to
6625         find_many_sub_basic_blocks.
6626         (pass_lower_subreg): Add TODO_verify_flow.
6627         (pass_lower_subreg2): Likewise.
6628
6629 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6630             Brooks Moses  <brooks.moses@codesourcery.com>
6631             Lee Millward  <lee.millward@codesourcery.com>
6632
6633         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6634         (VL_EXP_CLASS_P): New.
6635         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6636         TREE_CODE_LENGTH.
6637         (TREE_OPERAND_CHECK_CODE): Likewise.
6638         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6639         (TREE_RTL_OPERAND_CHECK): Likewise.
6640         (tree_operand_check_failed): Make second parameter the whole tree
6641         instead of its code.  Fixed callers.
6642         (VL_EXP_CHECK): New.
6643         (TREE_OPERAND_LENGTH): New.
6644         (VL_EXP_OPERAND_LENGTH): New.
6645         (CALL_EXPR_FN): New.
6646         (CALL_EXPR_STATIC_CHAIN): New.
6647         (CALL_EXPR_ARGS): New.
6648         (CALL_EXPR_ARG): New.
6649         (call_expr_nargs): New.
6650         (CALL_EXPR_ARGP): New.
6651         (build_nt_call_list): Declare.
6652         (build_vl_exp_stat): Declare.
6653         (build_vl_exp): New.
6654         (build_call_list): Declare.
6655         (build_call_nary): Declare.
6656         (build_call_valist): Declare.
6657         (build_call_array): Declare.
6658         (call_expr_arg): Declare.
6659         (call_expr_argp): Declare.
6660         (call_expr_arglist): Declare.
6661         (fold_build_call_list): Declare.
6662         (fold_build_call_list_initializer): Declare.
6663         (fold_call_expr): Declare to replace fold_builtin.
6664         (fold_builtin_fputs): Update to agree with modified definition.
6665         (fold_builtin_strcpy): Likewise.
6666         (fold_builtin_strncpy): Likewise.
6667         (fold_builtin_memory_chk): Likewise.
6668         (fold_builtin_stxcpy_chk): Likewise.
6669         (fold_builtin_strncpy_chk): Likewise.
6670         (fold_builtin_next_arg): Likewise.
6671         (fold_build_call_expr): Declare.
6672         (fold_builtin_call_list): Declare.
6673         (fold_builtin_call_valist): Declare.
6674         (build_call_expr): Declare.
6675         (validate_arglist): Update to agree with modified definition.
6676         (tree_operand_length): New.
6677         (call_expr_arg_iterator): New.
6678         (init_call_expr_arg_iterator): New.
6679         (next_call_expr_arg): New.
6680         (first_call_expr_arg): New.
6681         (more_call_expr_args_p): New.
6682         (FOR_EACH_CALL_EXPR_ARG): New.
6683
6684         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6685         and tcc_gimple_stmt.
6686         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6687         than sizeof (char *).
6688         (tree_size): Likewise.  Add case for tcc_vl_exp.
6689         (tree_node_structure): Add case for tcc_vl_exp.
6690         (contains_placeholder_p): Likewise.
6691         (substitute_in_expr): Likewise.
6692         (substitute_placeholder_in_expr): Likewise.
6693         (stabilize_reference_1): Likewise.
6694         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6695         to diagnose breakage of this interface for constructing CALL_EXPRs.
6696         (build_nt): Add similar assertion here.
6697         (build_nt_call_list): New.
6698         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6699         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6700         TREE_CODE_LENGTH.
6701         (get_callee_fndecl): Use new CALL_EXPR accessors.
6702         (tree_operand_check_failed): Change parameters to pass entire node
6703         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6704         (process_call_operands): New.
6705         (build_vl_exp_stat): New.
6706         (build_call_list): New.
6707         (build_call_nary): New.
6708         (build_call_valist): New.
6709         (build_call_array): New.
6710         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6711         (call_expr_arglist): New.
6712
6713         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6714         tcc_vl_exp instead of a fixed-size tcc_expression.
6715
6716         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6717         accessors for CALL_EXPRs.
6718         (AGGR_INIT_EXPR): Likewise.
6719
6720 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6721             Brooks Moses  <brooks.moses@codesourcery.com>
6722             Lee Millward  <lee.millward@codesourcery.com>
6723
6724         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6725         (expand_builtin_nonlocal_goto): Change parameter to be entire
6726         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6727         (expand_builtin_prefetch): Likewise.
6728         (expand_builtin_classify_type): Likewise.
6729         (mathfn_built_in): Return NULL_TREE instead of 0.
6730         (expand_errno_check): Use new CALL_EXPR accessors.
6731         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6732         Return NULL_RTX instead of 0.
6733         (expand_builtin_mathfn_2): Likewise.
6734         (expand_builtin_mathfn_3): Likewise.
6735         (expand_builtin_interclass_mathfn): Likewise.
6736         (expand_builtin_sincos): Likewise.
6737         (expand_builtin_cexpi): Likewise.
6738         (expand_builtin_int_roundingfn): Likewise.
6739         (expand_builtin_int_roundingfn_2): Likewise.
6740         (expand_builtin_pow): Likewise.
6741         (expand_builtin_powi): Likewise.
6742         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6743         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6744         accessors and constructors.  Return NULL_RTX instead of 0.
6745         (expand_builtin_strstr): Likewise.
6746         (expand_builtin_strchr): Likewise.
6747         (expand_builtin_strrchr): Likewise.
6748         (expand_builtin_strpbrk): Likewise.
6749         (expand_builtin_memcpy): Likewise.
6750         (expand_builtin_mempcpy): Likewise.
6751         (expand_builtin_mempcpy_args): New.
6752         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6753         (expand_builtin_memmove_args): New.
6754         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6755         (expand_movstr): Likewise.
6756         (expand_builtin_strcpy): Likewise.
6757         (expand_builtin_strcpy_args): New.
6758         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6759         (expand_builtin_strncpy): Likewise.
6760         (expand_builtin_memset): Likewise.
6761         (expand_builtin_memset_args): New.
6762         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6763         (expand_builtin_memcmp): Likewise.
6764         (expand_builtin_strcmp): Likewise.
6765         (expand_builtin_strncmp): Likewise.
6766         (expand_builtin_strcat): Likewise.
6767         (expand_builtin_strncat): Likewise.
6768         (expand_builtin_strspn): Likewise.
6769         (expand_builtin_strcspn): Likewise.
6770         (expand_builtin_args_info): Likewise.
6771         (expand_builtin_va_start): Likewise.
6772         (gimplify_va_arg_expr): Likewise.
6773         (expand_builtin_va_end): Likewise.
6774         (expand_builtin_va_copy): Likewise.
6775         (expand_builtin_frame_address): Likewise.
6776         (expand_builtin_alloca): Likewise.
6777         (expand_builtin_bswap): Likewise.
6778         (expand_builtin_unop): Likewise.
6779         (expand_builtin_fputs): Likewise.
6780         (expand_builtin_expect): Likewise.
6781         (expand_builtin_fabs): Likewise.
6782         (expand_builtin_copysign): Likewise.
6783         (expand_builtin_printf): Likewise.
6784         (expand_builtin_fprintf): Likewise.
6785         (expand_builtin_sprintf): Likewise.
6786         (expand_builtin_init_trampoline): Likewise.
6787         (expand_builtin_signbit): Likewise.
6788         (expand_builtin_fork_or_exec): Likewise.
6789         (expand_builtin_sync_operation): Likewise.
6790         (expand_builtin_compare_and_swap): Likewise.
6791         (expand_builtin_lock_test_and_set): Likewise.
6792         (expand_builtin_lock_release): Likewise.
6793         (expand_builtin): Likewise.
6794         (builtin_mathfn_code): Likewise.
6795
6796         (fold_builtin_constant_p): Pass call arguments individually instead
6797         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6798         accessors and constructors.  Return NULL_TREE instead of 0.
6799         (fold_builtin_expect): Likewise.
6800         (fold_builtin_classify_type): Likewise.
6801         (fold_builtin_strlen): Likewise.
6802         (fold_builtin_nan): Likewise.
6803         (integer_valued_real_p): Likewise.
6804         (fold_trunc_transparent_mathfn): Likewise.
6805         (fold_fixed_mathfn): Likewise.
6806         (fold_builtin_cabs): Likewise.
6807         (fold_builtin_sqrt): Likewise.
6808         (fold_builtin_cbrt): Likewise.
6809         (fold_builtin_cos): Likewise.
6810         (fold_builtin_cosh): Likewise.
6811         (fold_builtin_tan): Likewise.
6812         (fold_builtin_sincos): Likewise.
6813         (fold_builtin_cexp): Likewise.
6814         (fold_builtin_trunc): Likewise.
6815         (fold_builtin_floor): Likewise.
6816         (fold_builtin_ceil): Likewise.
6817         (fold_builtin_round): Likewise.
6818         (fold_builtin_int_roundingfn): Likewise.
6819         (fold_builtin_bitop): Likewise.
6820         (fold_builtin_bswap): Likewise.
6821         (fold_builtin_logarithm): Likewise.
6822         (fold_builtin_hypot): Likewise.
6823         (fold_builtin_pow): Likewise.
6824         (fold_builtin_powi): Likewise.
6825         (fold_builtin_exponent): Likewise.
6826         (fold_builtin_memset): Likewise.
6827         (fold_builtin_bzero): Likewise.
6828         (fold_builtin_memory_op): Likewise.
6829         (fold_builtin_bcopy): Deleted; call site changed to invoke
6830         fold_builtin_memory_op directly.
6831         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6832         (fold_builtin_strncpy): Likewise.
6833         (fold_builtin_memcmp): Likewise.
6834         (fold_builtin_strcmp): Likewise.
6835         (fold_builtin_strncmp): Likewise.
6836         (fold_builtin_signbit): Likewise.
6837         (fold_builtin_copysign): Likewise.
6838         (fold_builtin_isascii): Likewise.
6839         (fold_builtin_toascii): Likewise.
6840         (fold_builtin_isdigit): Likewise.
6841         (fold_builtin_fabs): Likewise.
6842         (fold_builtin_abs): Likewise.
6843         (fold_builtin_fmin_fmax): Likewise.
6844         (fold_builtin_carg): Likewise.
6845         (fold_builtin_classify): Likewise.
6846         (fold_builtin_unordered_cmp): Likewise.
6847
6848         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6849         New functions split out from fold_builtin_1.
6850         (fold_builtin_n): New.
6851         (fold_builtin_varargs): New.
6852         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6853         instead.
6854         (fold_call_expr): New.
6855         (build_function_call_expr): Rewrite to use new helper function.
6856         (fold_builtin_call_list): New.
6857         (build_call_expr): New.
6858         (fold_builtin_call_valist): New.
6859         (rewrite_call_expr): New.
6860         (validate_arg): New.
6861         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6862         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6863         accessors.
6864
6865         (fold_builtin_strstr):  Pass call arguments individually instead
6866         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6867         accessors and constructors.  Return NULL_TREE instead of 0.
6868         (fold_builtin_strchr): Likewise.
6869         (fold_builtin_strrchr): Likewise.
6870         (fold_builtin_strpbrk): Likewise.
6871         (fold_builtin_strcat): Likewise.
6872         (fold_builtin_strncat): Likewise.
6873         (fold_builtin_strspn): Likewise.
6874         (fold_builtin_strcspn): Likewise.
6875         (fold_builtin_fputs): Likewise.
6876         (fold_builtin_next_arg): Likewise.
6877         (fold_builtin_sprintf): Likewise.
6878
6879         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6880         NULL_RTX instead of 0.
6881         (expand_builtin_memory_chk): Likewise.
6882         (maybe_emit_chk_warning): Likewise.
6883         (maybe_emit_sprintf_chk_warning): Likewise.
6884
6885         (fold_builtin_object_size): Pass call arguments individually instead
6886         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6887         accessors and constructors.  Return NULL_TREE instead of 0.
6888         (fold_builtin_memory_chk): Likewise.
6889         (fold_builtin_stxcpy_chk): Likewise.
6890         (fold_builtin_strncpy_chk): Likewise.
6891         (fold_builtin_strcat_chk): Likewise.
6892         (fold_builtin_strcat_chk): Likewise.
6893         (fold_builtin_strncat_chk): Likewise.
6894         (fold_builtin_sprintf_chk): Likewise.
6895         (fold_builtin_snprintf_chk): Likewise.
6896         (fold_builtin_printf): Likewise.
6897         (fold_builtin_vprintf): Likewise.
6898
6899         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6900         constructors.
6901         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6902         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6903         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6904         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6905         (fold_unary): Likewise.
6906         (fold_binary): Likewise.
6907         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6908         ternary expressions.
6909         (fold): Add logic for tcc_vl_exp.
6910         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6911         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6912         (fold_build3_stat): Add assertion to flag broken interface for
6913         constructing CALL_EXPRs.
6914         (fold_build_call_list): New.
6915         (fold_build_call_list_initializer): New.
6916         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6917         constructors.
6918         (fold_strip_sign_ops): Likewise.
6919
6920 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6921             Brooks Moses  <brooks.moses@codesourcery.com>
6922             Lee Millward  <lee.millward@codesourcery.com>
6923
6924         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6925         accessors and dump arguments explicitly.
6926
6927         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6928         TREE_CODE_LENGTH.
6929         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6930         explicitly.
6931         (print_call_name): Use new CALL_EXPR accessors.
6932
6933         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6934         CALL_EXPR arguments explicitly instead of as a list.  Use
6935         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6936
6937         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6938         (vrp_visit_stmt): Likewise.
6939
6940         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6941         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6942         TREE_CODE_LENGTH.
6943         (force_move_till_expr): Likewise.
6944
6945         * targhooks.c (default_external_stack_protect_fail): Use
6946         build_call_expr instead of build_function_call_expr.
6947         (default_hidden_stack_protect_fail): Likewise.
6948
6949         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6950         build the call.
6951
6952         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6953         and walk arguments explicitly.
6954
6955         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6956         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6957         (expand_simple_operations): Likewise.
6958         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6959
6960         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6961         of TREE_CODE_LENGTH.
6962         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6963
6964         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6965         instead of TREE_CODE_LENGTH.
6966
6967         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6968         (tree_ic_transform): Likewise.
6969         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6970         parameter instead of arglist.  Fix callers.
6971         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6972         (tree_stringops_transform): Likewise.
6973         (tree_indirect_call_to_profile): Likewise.
6974         (tree_stringops_values_to_profile): Likewise.
6975
6976         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6977         (eliminate_tail_call): Likewise.
6978
6979         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6980
6981         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6982         Use TREE_OPERAND_LENGTH and generalize to handle any number of
6983         operands.
6984         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6985
6986         * omp-low.c (build_omp_barrier): Use build_call_expr.
6987         (lower_rec_input_clauses): Likewise.
6988         (lower_reduction_clauses): Likewise.
6989         (expand_parallel_call): Likewise.
6990         (maybe_catch_exception): Likewise.
6991         (expand_omp_for_generic): Likewise.
6992         (expand_omp_for_static_nochunk): Likewise.
6993         (expand_omp_sections): Likewise.
6994         (lower_omp_single_simple): Likewise.
6995         (lower_omp_single_copy): Likewise.
6996         (lower_omp_master): Likewise.
6997         (lower_omp_ordered): Likewise.
6998         (lower_omp_critical): Likewise.
6999
7000         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7001         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7002
7003         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7004         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7005         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7006
7007         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7008         and generalize to handle any number of operands.
7009         (chrec_contains_undetermined): Likewise.
7010         (tree_contains_chrecs): Likewise.
7011         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7012
7013         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7014
7015         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7016         fold_call_expr instead of fold_builtin.
7017         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7018         match declarations there.
7019         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7020         updates.
7021
7022         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7023         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7024
7025         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7026         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7027
7028         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7029         accessors.
7030
7031         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7032         (execute_cse_sincos): Use new CALL_EXPR accessors.
7033
7034         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7035
7036         * gimple-low.c (lower_function_body): Use build_call_expr.
7037         (lower_builtin_setjmp): Likewise.
7038
7039         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7040         (set_storage_via_libcall): Likewise.
7041         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7042         instead of TREE_CODE_LENGTH.
7043         (expand_expr_real_1): Use new CALL_EXPR accessors.
7044
7045         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7046         generalize to handle any number of operands.
7047         (TB_parent_eq): Likewise.
7048
7049         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7050         (strip_builtin_expect): Likewise.
7051
7052         * function.c (gimplify_parameters): Use build_call_expr.
7053
7054         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7055         instead of TREE_CODE_LENGTH.
7056
7057         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7058         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7059
7060         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7061         iterators.
7062
7063         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7064         (gimplify_decl_expr): Likewise.
7065         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7066         Use new CALL_EXPR iterators.
7067         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7068         (gimplify_modify_expr_to_memset): Likewise.
7069         (gimplify_variable_sized_compare): Likewise.
7070         (gimplify_omp_atomic_fetch_op): Likewise.
7071         (gimplify_omp_atomic_pipeline): Likewise.
7072         (gimplify_omp_atomic_mutex): Likewise.
7073         (gimplify_function_tree): Likewise.
7074
7075         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7076         (call_expr_flags): Likewise.
7077         (expand_call): Likewise.
7078
7079         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7080         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7081         accessors.
7082
7083         * coverage.c (create_coverage): Use build_call_expr.
7084
7085         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7086         (temp_call_expr_obstack): New.
7087         (pool_copy_list): Delete.
7088         (temp_copy_call_expr): New.
7089         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7090         CALL_EXPR accessors.  Get rid of special goo for copying argument
7091         lists and use temp_copy_call_expr instead.
7092         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7093         CALL_EXPR accessors.
7094         (create_expression_by_pieces): Likewise.  Use build_call_array
7095         to construct the result instead of fold_build3.
7096         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7097         dealing with argument lists.
7098         (init_pre): Remove references to expression_node_pool and
7099         list_node_pool.  Init temp_call_expr_obstack instead.
7100         (fini_pre): Remove references to expression_node_pool and
7101         list_node_pool.
7102
7103         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7104         and walk arguments explicitly instead of as a list.
7105
7106         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7107         (mx_register_decls): Likewise.
7108         (mudflap_register_call): Likewise.
7109         (mudflap_finish_file): Likewise.
7110
7111         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7112         (ipa_callsite_compute_param): Likewise.
7113
7114         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7115         accessors and constructor.
7116
7117         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7118         accessors and constructor.
7119         (convert_tramp_reference): Likewise.
7120         (convert_call_expr): Likewise.
7121         (finalize_nesting_tree_1): Likewise.
7122
7123         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7124         accessors.
7125
7126         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7127
7128         * tree-inline.c (initialize_inlined_parameters): Pass entire
7129         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7130         accessors.
7131         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7132         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7133
7134         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7135         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7136         (vectorizable_reduction): Likewise.
7137         (vectorizable_call): Use new CALL_EXPR iterators.
7138         (vectorizable_conversion): Use build_call_expr.
7139         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7140         (vect_gen_widened_results_half): Use build_call_expr.
7141         (vect_setup_realignment): Likewise.
7142         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7143
7144         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7145         (pass_through_call): Likewise.
7146         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7147         fold_builtin.
7148
7149         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7150         (tree_gen_pow2_profiler): Likewise.
7151         (tree_gen_one_value_profiler): Likewise.
7152         (tree_gen_ic_func_profiler): Likewise.
7153         (tree_gen_average_profiler): Likewise.
7154         (tree_gen_ior_profiler): Likewise.
7155
7156         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7157         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7158         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7159
7160         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7161         of TREE_CODE_LENGTH.
7162
7163         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7164         of TREE_CODE_LENGTH.
7165
7166         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7167         constructor.
7168         (convert_to_integer): Likewise.
7169
7170         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7171         accessors.
7172
7173 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7174             Brooks Moses  <brooks.moses@codesourcery.com>
7175             Lee Millward  <lee.millward@codesourcery.com>
7176
7177         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7178         accessors.
7179         * config/frv/frv.c (frv_expand_builtin): Likewise.
7180         * config/s390/s390.c (s390_expand_builtin): Likewise.
7181
7182         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7183         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7184
7185         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7186         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7187         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7188         (ix86_expand_store_builtin): Likewise.
7189         (ix86_expand_unop_builtin): Likewise.
7190         (ix86_expand_unop1_builtin): Likewise.
7191         (ix86_expand_sse_compare): Likewise.
7192         (ix86_expand_sse_comi): Likewise.
7193         (ix86_expand_vec_init_builtin): Likewise.
7194         (ix86_expand_vec_ext_builtin): Likewise.
7195         (ix86_expand_vec_set_builtin): Likewise.
7196         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7197
7198         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7199         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7200
7201         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7202         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7203         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7204
7205         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7206         build_call_expr.
7207         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7208         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7209         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7210         (altivec_expand_abs_builtin): Likewise.
7211         (rs6000_expand_binop_builtin): Likewise.
7212         (altivec_expand_predicate_builtin): Likewise.
7213         (altivec_expand_lv_builtin): Likewise.
7214         (spe_expand_stv_builtin): Likewise.
7215         (altivec_expand_stv_builtin): Likewise.
7216         (rs6000_expand_ternop_builtin): Likewise.
7217         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7218         (altivec_expand_st_builtin): Likewise.
7219         (altivec_expand_dst_builtin): Likewise.
7220         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7221         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7222         (altivec_expand_vec_set_builtin): Likewise.
7223         (altivec_expand_vec_ext_builtin): Likewise.
7224         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7225         (spe_expand_builtin): Likewise.
7226         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7227         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7228         (spe_expand_evsel_builtin): Likewise.
7229         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7230         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7231
7232         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7233         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7234         (arm_expand_unop_builtin): Likewise.
7235         (arm_expand_builtin): Use new CALL_EXPR accessors.
7236
7237         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7238         accessors.
7239
7240         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7241         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7242         (bfin_expand_unop_builtin): Likewise.
7243         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7244
7245 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7246             Brooks Moses  <brooks.moses@codesourcery.com>
7247             Lee Millward  <lee.millward@codesourcery.com>
7248
7249         * c-semantics.c (build_stmt): Add internal diagnostic check.
7250
7251         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7252         accessors.  Print arguments explicitly instead of as a list.
7253
7254         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7255
7256         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7257         (c_finish_omp_flish): Likewise.
7258
7259         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7260         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7261         instead of TREE_CODE_LENGTH.
7262         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7263         (c_warn_unused_result): Likewise.
7264
7265 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7266
7267         PR c/26494
7268         * doc/invoke.texi (Warning Options): Remove
7269         -Werror-implicit-function-declaration.
7270         (Wimplicit-function-declaration): Update description.
7271         * opts.c (common_handle_option): Move handling of -Werror=* to...
7272         (enable_warning_as_error): ...here.
7273         * opts.h (enable_warning_as_error): Declare.
7274         * c-decl.c (implicit_decl_warning): Unless
7275         -Wno-implicit-function-declaration is given, emit a pedwarn if
7276         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7277         * c.opt (Wimplicit-function-declaration): Replace
7278         mesg_implicit_function_declaration with
7279         warn_implicit_function_declaration.
7280         * c-opts.c (c_common_handle_option):
7281         -Werror-implicit-function-declaration is exactly equal as
7282         -Werror=implicit-function-declaration.
7283         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7284         warn_implicit_function_declaration.
7285         (c_common_post_options): -Wimplict-function-declaration is enabled
7286         by default by -std=c99, otherwise is disabled by default.
7287         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7288
7289 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7290
7291         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7292         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7293         former is ignored but not the latter.
7294
7295 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7296
7297         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7298         is made and the reference doesn't use the alias set of its type,
7299         do not create the temporary using that type.
7300
7301 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7302
7303         * jump.c: Remove prototypes for delete_computation and
7304         delete_prior_computation.
7305
7306 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7307
7308         * jump.c (get_label_after): Delete.
7309         (get_label_before, delete_computation, delete_jump,
7310         delete_prior_computation, follow_jumps): Move...
7311         * reorg.c (delete_computation, delete_prior_computation): ... here...
7312         (get_label_before, delete_jump): ... making these static ...
7313         (follow_jumps): ... and simplifying this since it only runs after
7314         reload.
7315         * rtl.h (get_label_after, get_label_before, delete_jump,
7316         follow_jumps): Delete prototypes.
7317
7318 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7319
7320         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7321
7322 2007-02-15  Nick Clifton  <nickc@redhat.com>
7323
7324         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7325         order to prevent it from being munged by the target.
7326
7327 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7328
7329         * config/i386/i386.md: Remove misleading comment.
7330
7331 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7332
7333         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7334         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7335         invalid patterns.
7336
7337 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7338
7339         * tree-sra.c (instantiate_missing_elements): Canonicalize
7340         bit-field types.
7341         (sra_build_assignment): New.
7342         (generate_copy_inout, generate_element_copy,
7343         generate_element_zero, generate_one_element_init): Use it.
7344
7345 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7346
7347         * tree-sra.c (instantiate_missing_elements): Canonicalize
7348         bit-field types.
7349         (sra_build_assignment): New.
7350         (generate_copy_inout, generate_element_copy,
7351         generate_element_zero, generate_one_element_init): Use it.
7352
7353 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7354
7355         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7356         limbo die nodes.
7357
7358 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7359
7360         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7361         types as aggregates not scalars.
7362         * function.c (assign_stack_temp_for_type): Likewise.
7363
7364 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7365             Zdenek Dvorak  <dvorakz@suse.cz>
7366
7367         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7368         name.
7369
7370 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7371
7372         * passes.c (next_pass_1): Clear the next field of the copied
7373         pass structure.
7374
7375 2007-02-14  Richard Henderson  <rth@redhat.com>
7376
7377         * tree-sra.c (early_sra): New.
7378         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7379         (tree_sra_early, pass_sra_early): New.
7380         * tree-pass.h (pass_sra_early): Declare.
7381         * passes.c (init_optimization_passes): Use it.
7382
7383 2007-02-14  Richard Guenther  <rguenther@suse.de>
7384
7385         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7386
7387 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7388
7389          PR tree-optimization/30771
7390         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7391         also phi nodes.
7392         (vect_analyze_operations): Induction phis can now be marked as
7393         used_in_loop.
7394         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7395         Update documentation accordingly.
7396
7397 2007-02-14  Nick Clifton  <nickc@redhat.com>
7398
7399         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7400         most 3 arguments are supported.
7401         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7402
7403 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7404
7405         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7406         Ensure dst->current is valid.
7407
7408 2007-02-13  Paul Brook  <paul@codesourcery.com>
7409
7410         * config.gcc: Add arm*-*-uclinux-*eabi.
7411         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7412         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7413         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7414         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7415         (LINK_SPEC): Define.
7416         (LIB_SPEC): Define.
7417         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7418         register.
7419         * config/arm/uclinux-eabi.h: New file.
7420         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7421         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7422         based targets.
7423
7424 2007-02-13  Ian Lance Taylor  <iant@google.com>
7425
7426         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7427         * flags.h (warn_strict_overflow): Declare.
7428         (enum warn_strict_overflow_code): Define.
7429         (issue_strict_overflow_warning): New static inline function.
7430         * opts.c (warn_strict_overflow): New variable.
7431         (common_handle_option): Handle OPT_Wstrict_overflow and
7432         OPT_Wstrict_overflow_.
7433         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7434         OPT_Wall.
7435         * fold-const.c: Include intl.h.
7436         (fold_deferring_overflow_warnings): New static variable.
7437         (fold_deferred_overflow_warning): New static variable.
7438         (fold_deferred_overflow_code): New static variable.
7439         (fold_defer_overflow_warnings): New function.
7440         (fold_undefer_overflow_warnings): New function.
7441         (fold_undefer_and_ignore_overflow_warnings): New function.
7442         (fold_deferring_overflow_warnings_p): New function.
7443         (fold_overflow_warning): New static function.
7444         (make_range): Add strict_overflow_p parameter.  Change all
7445         callers.
7446         (extract_muldiv, extract_muldiv_1): Likewise.
7447         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7448         tree_expr_nonnegative_p.
7449         (fold_negate_expr): Call fold_overflow_warning.
7450         (fold_range_test): Likewise.
7451         (fold_comparison): Likewise.
7452         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7453         instead of tree_expr_nonnegative_p.
7454         (tree_expr_nonnegative_warnv_p): Rename from
7455         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7456         (tree_expr_nonnegative_p): New function.
7457         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7458         strict_overflow_p parameter.
7459         (tree_expr_nonzero_p): New function.
7460         * passes.c (verify_interpass_invariants): New static function.
7461         (execute_one_pass): Call it.
7462         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7463         warnings.
7464         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7465         (estimate_numbers_of_iterations): Likewise.
7466         (scev_probably_wraps_p): Likewise.
7467         * tree-ssa-ccp.c: Include "toplev.h".
7468         (evaluate_stmt): Defer fold overflow warnings until we know we are
7469         going to optimize.
7470         (struct fold_stmt_r_data): Add stmt field.
7471         (fold_stmt_r): Defer fold overflow warnings until we know we
7472         optimized.
7473         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7474         (fold_stmt_inplace): Likewise.
7475         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7476         (cleanup_control_expr_graph): Defer fold overflow warnings until
7477         we know we are going to optimize.
7478         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7479         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7480         Likewise.
7481         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7482         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7483         * tree-ssa-loop-manip.c (create_iv): Likewise.
7484         * c-typeck.c (build_conditional_expr): Likewise.
7485         (build_binary_op): Likewise.
7486         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7487         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7488         (extract_range_from_unary_expr): Likewise.
7489         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7490         assuming that signed overflow does not occur.
7491         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7492         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7493         (fold_defer_overflow_warnings): Declare.
7494         (fold_undefer_overflow_warnings): Declare.
7495         (fold_undefer_and_ignore_overflow_warnings): Declare.
7496         (fold_deferring_overflow_warnings_p): Declare.
7497         (tree_expr_nonzero_warnv_p): Declare.
7498         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7499         of warning options.
7500         (Warning Options): Document -Wstrict-overflow.
7501         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7502         (tree-ssa-ccp.o): Likewise.
7503         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7504         (fold-const.o): Depend on intl.h.
7505
7506 2007-02-13  Ian Lance Taylor  <iant@google.com>
7507
7508         PR middle-end/30751
7509         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7510         addresses.
7511
7512 2007-02-13  Stuart Hastings  <stuart@apple.com>
7513
7514         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7515
7516 2007-02-13  Richard Henderson  <rth@redhat.com>
7517
7518         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7519         handled_component_p before looking for the indirect_ref.
7520
7521 2007-02-13  Richard Henderson  <rth@redhat.com>
7522
7523         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7524         remove flags clobber.
7525         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7526         (bswaphi_lowpart): New.
7527         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7528         remove TARGET_BSWAP test.  Delete expander of the same name.
7529
7530         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7531         (expand_unop): Use them.
7532
7533 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7534
7535         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7536         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7537         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7538         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7539         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7540         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7541         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7542         assembler dialect choice from asm templates.
7543
7544 2007-02-12  Richard Henderson  <rth@redhat.com>
7545
7546         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7547         (fixuns_trunc<SSEMODEF>si2): Use it.
7548         * config/i386/sse.md (vec_setv4sf_0): Export.
7549         * config/i386/i386.c (ix86_build_const_vector): Export.
7550         (ix86_split_convert_uns_si_sse): Rename from
7551         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7552         * config/i386/i386-protos.h: Update.
7553
7554 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7555
7556         PR c/29521
7557         * c-typeck.c (c_finish_return): Improve warning message.
7558
7559 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7560
7561         * alias.c (find_symbolic_term): Delete unused function.
7562
7563 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7564
7565         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7566         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7567         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7568
7569 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7570
7571         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7572         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7573         the function, temporarily point the debug interface to the null one.
7574
7575 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7576
7577         * dwarf2out.c (round_up_to_align): New static function.
7578         (field_byte_offset): Use it to round the offset.
7579
7580 2007-02-12  Richard Henderson  <rth@redhat.com>
7581
7582         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7583         (inswl_const): Export.
7584
7585 2007-02-12  Richard Henderson  <rth@redhat.com>
7586
7587         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7588         result mode of the libcall, convert back to outmode.
7589
7590 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7591
7592         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7593         (bswapdi2): New define_expand to implement 32-bit implementation.
7594
7595 2007-02-12  Nick Clifton  <nickc@redhat.com>
7596
7597         * doc/invoke.texi (Overall Options): Document --help=.
7598         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7599         (cc1_options): Pass --help= on to cc1.
7600         (display_help): Add description of --help=.
7601         (process_command): Add code to handle --help=.  Allow translated
7602         --help and --target-help switches to be passed on to compiler
7603         sub-process.
7604         (main): Remove unused if statement.
7605         * opts.c (columns): Remove.
7606         (LEFT_COLUMN): Define.
7607         (wrap_help): Add columns argument.
7608         (print_filtered_help): Change parameters to be an include bitmask,
7609         an exclude bitmask, an any bitmask and the column width.  Move the
7610         code to display the params list here.  Add code to display the
7611         status of options rather than their descriptions if the quiet flag
7612         is not active.
7613         (print_specific_help): Change parameters to be an include bitmask,
7614         an exclude bitmask and an any bitmask.  Move code to look up the
7615         column width here.  Decide upon the title for an options listing.
7616         (common_handle_options): Add code to handle --help=.  Adapt code
7617         for --help and --target-help to use the revised form of the
7618         print_specific_help function.
7619         (print_help): Delete.
7620         (print_param_help): Delete.
7621         (print_switch): Delete.
7622         * opts.h (cl_lang_count): Add prototype.
7623         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7624         CL_MAX_OPTION_CLASS): New defines.
7625         * optc-gen.awk: Add construction of cl_lang_count.
7626         * c.opt: Add Warning attribute to warning options and Optimization
7627         attribute to optimization options.
7628         * common.opt: Likewise.
7629         Add --help=.
7630         Add -fhelp and -ftarget-help as aliases for the transformed --help
7631         and --target-help options.
7632         * opt-functions.awk: Add code to handle Warning and Optimization
7633         attributes.
7634
7635 2007-02-12  Richard Henderson  <rth@redhat.com>
7636
7637         * config/alpha/constraints.md: New file.
7638         * config/alpha/alpha.c: Include tm-constrs.h.
7639         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7640         alpha_extra_constraint): Remove.
7641         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7642         * config/alpha/alpha-protos.h: Update.
7643         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7644         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7645         (EXTRA_CONSTRAINT): Remove.
7646         * config/alpha/alpha.md: Include constraints.md.
7647         (adddi splitter): Use satisfies_constraint_*.
7648         * config/alpha/predicates.md (add_operand): Likewise.
7649         (sext_add_operand, addition_operation): Likewise.
7650
7651 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7652
7653         PR tree-optimization/29145
7654         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7655         in our handling of restrict qualified pointers.
7656
7657 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7658
7659         PR middle-end/7651
7660         * doc/invoke.texi (Wunused-value): Update description.
7661         (Wextra): Delete item.
7662         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7663         value of Wunused-value.
7664         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7665         (c_finish_stmt_expr): Don't check extra_warnings.
7666         (emit_side_effect_warnings): The caller is responsible to check
7667         warn_unused_value.
7668
7669 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7670             Matt Thomas  <matt@3am-software.com>
7671
7672         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7673
7674 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7675
7676         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7677         comparisons of POPCOUNT against zero.
7678         (simplify_const_relational_operation): Likewise.
7679
7680 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7681
7682         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7683
7684 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7685
7686         * dwarf2out.c (root_type): Delete unused function.
7687
7688 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7689
7690         * genattrtab.c (contained_in_p): Delete unused function.
7691         (write_expr_attr_cache): Likewise.
7692
7693 2007-02-11  Jan Hubicka  <jh@suse.cz>
7694
7695         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7696         previous patch.
7697
7698 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7699
7700         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7701         to add the REG_EQ* note.
7702         * see.c (see_merge_one_use_extension): Likewise.
7703         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7704         turn REG_EQUAL notes into REG_EQUIV notes if the target
7705         register may have more than one set.
7706         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7707         * gcse.c (try_replace_reg): Likewise.
7708         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7709         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7710         more than one REG_EQUIV note.
7711         * reload1.c (gen_reload): Use set_unique_reg_note.
7712
7713 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7714
7715         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7716         (ix86_builtin_conversion): New function.
7717
7718 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7719
7720         PR target/29487
7721         * tree.h (DECL_REPLACEABLE_P): New macro.
7722         * except.c (set_nothrow_function_flags): Likewise.
7723
7724 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7725             Ira Rosen  <irar@il.ibm.com>
7726             Dorit Nuzman  <dorit@il.ibm.com>
7727
7728         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7729         * targhooks.c (default_builtin_vectorized_conversion): New.
7730         * targhooks.h (default_builtin_vectorized_function): New declaration.
7731         * target.h (struct vectorize): Add builtin_conversion field.
7732         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7733         stmt_vec_info_type value.
7734         (vectorizable_conversion): New declaration.
7735         * tree-vect-analyze.c (vect_analyze_operations): Add
7736         vectorizable_conversion call.
7737         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7738         * tree-vect-transform.c (vectorizable_conversion): New function.
7739         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7740         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7741         mode.
7742         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7743         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7744         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7745         or ALTIVEC_BUILTIN_VCFSX.
7746
7747 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7748
7749         PR target/30634
7750         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7751         CONST_DOUBLE and operand 0 is a hard register.
7752         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7753         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7754         is a hard floating-point register.
7755
7756 2007-02-10  Richard Henderson  <rth@redhat.com>
7757             Jakub Jelinek  <jakub@redhat.com>
7758             Alexandre Oliva  <aoliva@redhat.com>
7759
7760         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7761         * builtin-types.def (BT_WORD): Make unsigned.
7762         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7763         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7764         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7765         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7766         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7767         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7768         emulated tls.
7769         * expr.c (emutls_var_address): New.
7770         (expand_expr_real_1): Expand emulated tls.
7771         (expand_expr_addr_expr_1): Likewise.
7772         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7773         * output.h (emutls_finish): Declare.
7774         * toplev.c (compile_file): Call it.
7775         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7776         address before wrapping in CONST.
7777         * varasm.c (emutls_htab, emutls_object_type): New.
7778         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7779         (get_emutls_object_name, get_emutls_object_type): New.
7780         (get_emutls_init_templ_addr, emutls_decl): New.
7781         (emutls_common_1, emutls_finish): New.
7782         (assemble_variable): When emulating tls, swap decls; generate
7783         constructor for the emutls objects.
7784         (do_assemble_alias): When emulating tls, swap decl and target name.
7785         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7786         for emulated tls.
7787         * varpool.c (decide_is_variable_needed): Look at force_output.
7788         Recurse for emulated tls.
7789         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7790         with decide_is_variable_needed.
7791         * emutls.c: New file.
7792         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7793         tls_object for real tls.
7794
7795 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7796
7797         PR rtl-optimization/29599
7798         * reload1.c (eliminate_regs_in_insn): Take the destination
7799         mode into account when computing the offset.
7800
7801 2007-02-09  Stuart Hastings  <stuart@apple.com>
7802             Richard Henderson  <rth@redhat.com>
7803
7804         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7805         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7806         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7807         fixuns_truncdfhi2): New.
7808         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7809         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7810         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7811         (floatunssidf2): Allow nonimmediate source.
7812         * config/i386/sse.md (movdi_to_sse): New.
7813         (vec_concatv2di): Drop '*'.
7814         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7815         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7816         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7817         New.
7818         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7819         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7820         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7821         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7822         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7823         ix86_build_const_vector.
7824         (x86_emit_floatuns): Rewrite.
7825
7826 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7827
7828         * genautomata.c (longest_path_length): Delete unused function.
7829         (struct state): Delete unused longest_path_length.
7830         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7831         (get_free_state): Delete unused.
7832
7833 2007-02-09  Jan Hubicka  <jh@suse.cz>
7834
7835         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7836         * doc/invoke.texi (inline-unit-growth): Update default value.
7837
7838         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7839         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7840         (rebuild_cgraph_edges): Likewise.
7841         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7842         (dump_cgraph_node): Dump frequencies.
7843         (cgraph_clone_edge): Add frequency scales.
7844         (cgraph_clone_node): Add freuqnecy.
7845         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7846         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7847         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7848         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7849         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7850         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7851         (save_inline_function_body): Likewise.
7852         * ipa-inline.c: inluce rtl.h
7853         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7854         (cgraph_edge_badness): Use frequencies.
7855         (cgraph_decide_recursive_inlining): Update clonning.
7856         (cgraph_decide_inlining_of_small_function): Dump frequency.
7857         * predict.c (estimate_bb_frequencies): Export.
7858         * predict.h (estimate_bb_frequencies): Declare.
7859         * tree-inline.c (copy_bb): Watch overflows.
7860         (expand_call_inline): Update call of cgraph_create_edge.
7861         (optimize_inline_calls): Use TODO flags to update frequnecies.
7862         * passes.h: Include predict.h
7863         (init_optimization_passes): Move profile ahead.
7864         (execute_function_todo): Handle TODO_rebuild_frequencies.
7865
7866 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7867
7868         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7869         the insbl or inswl pattern into a register.
7870
7871 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7872
7873         * config/ia64/ia64.md (bswapdi2): New define_insn.
7874
7875 2007-02-09  Richard Henderson  <rth@redhat.com>
7876
7877         * config/i386/constraints.md (Ym): New constraint.
7878         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7879         (movdi_1_rex64): Split sse and xmm general register moves from
7880         memory move alternatives.  Use conditional register constraints.
7881         (movsf_1, movdf_integer): Likewise.
7882         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7883         (movdf_integer_rex64): New.
7884         (pushsf_rex64): Fix output constraints.
7885         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7886         (sse2_stored): Likewise.
7887         (sse2_storeq_rex64): New.
7888         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7889         amd and not generic.
7890         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7891         for optimize_size.  Remove SF/DFmode hack.
7892
7893 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7894
7895         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7896         (bit_SSE4a): New.
7897
7898 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7899             Richard Sandiford  <richard@codesourcery.com>
7900
7901         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7902         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7903         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7904         m68k/t-mlib to tmake_file.
7905         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7906         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7907         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7908         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7909         variable is not empty, add t-$m68k_arch_family to tmake_file.
7910         Add t-mlibs to tmake_file.
7911         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7912         * config/m68k/t-cf: New file.
7913         * config/m68k/t-m68k: Likewise.
7914         * config/m68k/t-mlibs: Likewise.
7915         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7916         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7917         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7918         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7919         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7920         Delete.
7921         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7922         (INSTALL_LIBGCC): Delete.
7923         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7924         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7925         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7926         (M68K_MLIB_CPU): Define.
7927         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7928         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7929         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7930
7931 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7932             Richard Guenther  <rguenther@suse.de>
7933
7934         PR middle-end/23361
7935         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7936         against INT_MIN/INT_MAX.
7937         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7938         file if a loop is removed.
7939
7940 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7941
7942         * calls.c (store_one_arg): Pass correct alignment to
7943         emit_push_insn for non-BLKmode values.
7944         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7945         unaligned stack slot via a suitably aligned slot.
7946
7947 2007-02-08  DJ Delorie  <dj@redhat.com>
7948
7949         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7950         warnings.
7951         (legal_subregs): Use unsigned char, make const.
7952         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7953
7954 2007-02-08  Paul Brook  <paul@codesourcery.com>
7955
7956         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7957         special interworking needed.
7958
7959 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7960
7961         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7962         conditional to __SSE2__.
7963         (Entries below should have been added to first ChangeLog
7964         entry for amdfam10 dated 2007-02-05)
7965         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7966         defined.
7967         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7968         defined.
7969         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7970         defined.
7971
7972 2007-02-08  DJ Delorie  <dj@redhat.com>
7973
7974         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7975         * config/m32c/m32c.c (legal_subregs): New.
7976         (m32c_illegal_subreg_p): New.
7977         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7978         unsupported subregs of hard regs.
7979
7980 2007-02-08  Jan Hubicka  <jh@suse.cz>
7981
7982         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7983         the same one; always update histograms.
7984
7985 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7986
7987         * passes.c (init_optimization_passes): Tidy comment.
7988
7989 2007-02-08  Roger Sayle  <roger@eyesopen.com>
7990
7991         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7992         strip zero_extend, bswap and rotates from POCOUNT's argument.
7993         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7994         zero_extend and rotates from PARITY's argument.
7995         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7996         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7997         of an integer constant at compile-time.
7998
7999 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8000
8001         PR 30562
8002         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8003         Update all users.
8004         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8005         users.
8006         (init_alias_info):
8007         * tree-ssa-live.c (remove_unused_locals): Do not remove
8008         TREE_ADDRESSABLE variables.
8009         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8010         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8011         FOR_CLOBBER.  Update all users.
8012         If VAR has an associated alias set, add a virtual operand for
8013         it if no alias is found to conflict with the memory reference.
8014
8015 2007-02-07  Jan Hubicka  <jh@suse.cz>
8016             Robert Kidd <rkidd@crhc.uiuc.edu>
8017
8018         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8019
8020 2007-02-07  Ian Lance Taylor  <iant@google.com>
8021
8022         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8023
8024 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8025
8026         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8027         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8028         tablejumpdi, movsi_to_cr_one): Remove constraints from
8029         define_expand's match_operands.
8030
8031 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8032
8033         * global.c (compute_regsets): Move declatation of "i" inside of
8034         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8035
8036 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8037
8038         PR c++/30703
8039         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8040         of INDIRECT_REF <RESULT_DECL>.
8041
8042         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8043
8044 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8045             Kaz Kojima  <kkojima@gcc.gnu.org>
8046
8047         PR target/29746
8048         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8049         properly.
8050         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8051
8052 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8053
8054         * doc/loop.texi: Document possibility not to perform disambiguation
8055         of loops with multiple latches.
8056         * cfgloopmanip.c (alp_enum_p): Removed.
8057         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8058         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8059         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8060         the new forwarder block.
8061         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8062         Handle the case latch is NULL.
8063         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8064         when marking loop exits.
8065         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8066         be modified.
8067         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8068         disambiguate_loops_with_multiple_latches.
8069         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8070         before fix_loop_structure.
8071         * cfgloop.c: Include pointer-set.h and output.h.
8072         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8073         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8074         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8075         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8076         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8077         disambiguate_multiple_latches, get_loop_body_with_size,
8078         disambiguate_loops_with_multiple_latches): New functions.
8079         (flow_loop_dump): Dump multiple latch edges.
8080         (flow_loop_nodes_find): Handle loops with multiple latches.
8081         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8082         (glb_enum_p): Modified.
8083         (get_loop_body): Use get_loop_body_with_size.
8084         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8085         (AVOID_CFG_MODIFICATIONS): New constant.
8086         (disambiguate_loops_with_multiple_latches, add_loop,
8087         get_loop_body_with_size): Declare.
8088         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8089
8090 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8091
8092         PR inline-asm/28686
8093         * global.c (compute_regsets): New function.
8094         (global_alloc): Refactored ELIMINABLE_REGSET
8095         and NO_GLOBAL_ALLOC_REGS computation out.
8096         (rest_of_handle_global_alloc): Call compute_regsets()
8097         for non-optimizing case.
8098
8099 2007-02-06  Richard Henderson  <rth@redhat.com>
8100
8101         * config/i386/constraints.md (Y2): Rename from Y.
8102         (Yi): New constraint.
8103         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8104         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8105         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8106         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8107         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8108         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8109         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8110         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8111         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8112         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8113         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8114         vec_extractv2si_1): Change Y constraints to Y2.
8115         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8116         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8117         Change Y constraints to Y2.
8118         (sse2_loadld): Change Y constraints to x.
8119
8120 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8121
8122         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8123         (parity<mode>2): New define_expand using rs6000_emit_parity.
8124         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8125         rs6000_emit_parity): New functions.
8126         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8127         rs6000_emit_parity): Prototype here.
8128
8129 2007-02-06  Ian Lance Taylor  <iant@google.com>
8130
8131         * lower-subreg.c (simple_move_operand): Reject CONST.
8132         (resolve_clobber): Call validate_change rather than directly
8133         assigning to XEXP (pat, 0).
8134
8135 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8136
8137         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8138         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8139         (tree-cfg.o): Remove hashtab.h dependency.
8140
8141         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8142         (struct ivopts_data): Change niters to pointer_map_t.
8143         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8144         (niter_for_exit): Create pointer_map on demand.  Change for
8145         pointer_map API.
8146         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8147         (free_loop_data): Destroy data->niters if created and reset field.
8148         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8149         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8150
8151         * tree-ssa-reassoc.c: Include pointer-set.h.
8152         (bb_rank): Change to long *.
8153         (operand_rank): Change to pointer_map_t.
8154         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8155         (insert_operand_rank): Accept long.
8156         (operand_entry_hash, operand_entry_eq): Remove.
8157         (get_rank): Return long.  Adjust for changes above.
8158         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8159         and operand_rank.
8160         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8161
8162         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8163         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8164         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8165         is not NULL.
8166         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8167         directly since it cannot be NULL.
8168         (get_vi_for_tree): Rewrite for pointer_map API.
8169         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8170         (init_alias_vars): Create vi_for_tree as pointer_map.
8171         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8172
8173         * tree-cfg.c: Don't include hashtab.h.
8174         (edge_to_cases): Declare as pointer_map.
8175         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8176         Delete.
8177         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8178         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8179         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8180         destroying it.
8181         (record_switch_edge): Delete.
8182         (get_cases_for_edge): Adjust for pointer_map API, inline
8183         record_switch_edge (rewritten for new API), remove goto.
8184
8185 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8186
8187         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8188         * tree-nested.c: Include pointer-set.h.
8189         (var_map_elt, var_map_eq, var_map_hash): Delete.
8190         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8191         to pointer_map_t's.
8192         (nesting_info_bitmap_obstack): New.
8193         (lookup_field_for_decl): Adjust for pointer_map API.
8194         (lookup_tramp_for_decl): Adjust for pointer_map API.
8195         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8196         (get_local_debug_decl): Adjust for pointer_map API.
8197         (convert_nl_goto_reference): Adjust for pointer_map API.
8198         (convert_nl_goto_receiver): Adjust for pointer_map API.
8199         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8200         the new obstack.  Create field_map and var_map as pointer_maps.
8201         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8202         (root): Delete.
8203         (lower_nested_functions): Move root here, no need to NULL it.
8204         Initialize and release the obstack.
8205
8206 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8207
8208         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8209         Remove prototypes and make them non-static.
8210         (struct tree_int_map): Remove.
8211         * tree.h (struct tree_int_map): Move here, turning TO into an
8212         unsigned int.
8213         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8214
8215         * tree.h (TREE_COMPLEXITY): Remove.
8216         (struct tree_exp): Remove complexity field.
8217         * tree.c (build1_stat): Don't set it.
8218
8219 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8220             Victor Kaplansky  <victork@il.ibm.com>
8221
8222         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8223         (vect_is_simple_reduction): Support reduction with induction as
8224         one of the operands.
8225         (vect_is_simple_iv_evolution): Fix formatting.
8226         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8227         formatting.  Don't mark induction phis for vectorization.
8228         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8229         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8230         (vect_get_vec_def_for_operand): Support induction.
8231         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8232         induction case.
8233         (vectorizable_reduction): Support reduction with induction as one of
8234         the operands.
8235         (vectorizable_type_demotion): Use def-type of stmt argument rather
8236         than dummy def-type.
8237
8238         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8239         flag_tree_scev_cprop.
8240         * common.opt (tree-scev-cprop): New flag.
8241
8242         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8243         call to vect_get_new_vect_var.
8244
8245 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8246
8247         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8248         vectype is not NULL.
8249         (vect_pattern_recog_1): Likewise.
8250
8251 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8252
8253         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8254         (fold_negate_expr): Likewise.
8255
8256 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8257
8258         PR debug/30189
8259         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8260         even if cv-qualification is the same.
8261
8262 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8263
8264         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8265         __enable_execute_stack on completion.
8266
8267 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8268
8269         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8270         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8271         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8272         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8273         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8274         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8275         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8276         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8277
8278 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8279
8280         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8281         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8282         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8283         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8284         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8285         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8286         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8287         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8288         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8289         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8290         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8291         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8292         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8293         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8294         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8295         sqrtextenddfxf2_i387): Added amdfam10_decode.
8296
8297         * config/i386/athlon.md (athlon_idirect_amdfam10,
8298         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8299         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8300         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8301         athlon_ivector_store_amdfam10): New define_insn_reservation.
8302         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8303         amdfam10.
8304
8305 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8306
8307         * config/i386/athlon.md (athlon_call_amdfam10,
8308         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8309         define_insn_reservation.
8310         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8311         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8312         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8313
8314 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8315
8316         * config/i386/athlon.md (athlon_sseld_amdfam10,
8317         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8318         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8319
8320 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8321
8322         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8323         define_insn_reservation.
8324         * config/i386/i386.md (sseins): Added sseins to define_attr type
8325         and define_attr unit.
8326         * config/i386/sse.md: Set type attribute to sseins for insertq
8327         and insertqi.
8328
8329 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8330
8331         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8332         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8333         ssecomi_load_amdfam10, ssecomi_amdfam10,
8334         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8335         define_insn_reservation.
8336         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8337
8338 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8339
8340         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8341         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8342         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8343         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8344         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8345         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8346         define_insn_reservation.
8347
8348         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8349         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8350         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8351         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8352         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8353
8354 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8355
8356         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8357         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8358         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8359         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8360         athlon_ssemul_load_k8): Added amdfam10.
8361
8362 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8363
8364         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8365         (x86_sse_unaligned_move_optimal): New variable.
8366
8367         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8368         m_AMDFAM10.
8369         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8370         for unaligned vector SSE double/single precision loads for AMDFAM10.
8371
8372 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8373
8374         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8375         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8376         Define TARGET_CPU_DEFAULT_amdfam10.
8377         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8378         (processor_type): Add PROCESSOR_AMDFAM10.
8379
8380         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8381         processor_type in config/i386/i386.h.
8382         Enable imul peepholes for TARGET_AMDFAM10.
8383
8384         * config.gcc: Add support for --with-cpu option for amdfam10.
8385
8386         * config/i386/i386.c (amdfam10_cost): New variable.
8387         (m_AMDFAM10): New macro.
8388         (m_ATHLON_K8_AMDFAM10): New macro.
8389         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8390         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8391         x86_promote_QImode, x86_integer_DFmode_moves,
8392         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8393         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8394         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8395         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8396         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8397         Enable/disable for amdfam10.
8398         (override_options): Add amdfam10_cost to processor_target_table.
8399         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8400         processor_alias_table.
8401         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8402         (ix86_adjust_cost): Add code for amdfam10.
8403
8404 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8405
8406         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8407         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8408         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8409         * config/i386/i386.h: Add builtin definition for SSE4A.
8410         * config/i386/i386.md: Add support for ABM instructions
8411         (popcnt and lzcnt).
8412         * config/i386/sse.md: Add support for SSE4A instructions
8413         (movntss, movntsd, extrq, insertq).
8414         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8415         Add -march=amdfam10 flag.
8416         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8417         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8418         and amdfam10.
8419         * doc/extend.texi: Add documentation for SSE4A builtins.
8420
8421 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8422
8423         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8424
8425 2007-02-05  Richard Guenther  <rguenther@suse.de>
8426
8427         * tree-vectorizer.h (vectorizable_function): Add argument type
8428         argument, change return type.
8429         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8430         * tree-vect-transform.c (vectorizable_function): Handle extra
8431         argument, return vectorized function decl.
8432         (build_vectorized_function_call): Remove.
8433         (vectorizable_call): Handle calls with result and argument types
8434         differing.  Handle loop vectorization factor correctly.
8435         * targhooks.c (default_builtin_vectorized_function): Adjust for
8436         extra argument.
8437         * targhooks.h (default_builtin_vectorized_function): Likewise.
8438         * target.h (builtin_vectorized_function): Add argument type
8439         argument.
8440         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8441         extra argument, allow vectorizing of lrintf.
8442         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8443         documentation of target hook.
8444
8445 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8446
8447         PR target/30665
8448         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8449         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8450         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8451
8452 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8453
8454         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8455         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8456         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8457         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8458         before canonicalizing sincos to cexpi.
8459         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8460
8461 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8462
8463         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8464         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8465         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8466
8467 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8468
8469         * mips-tfile.c (initialize_init_file): Correct endianness test.
8470
8471 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8472
8473         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8474         the 'y' constraint.
8475
8476 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8477
8478         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8479         saves in a PARALLEL before the register assignments.
8480
8481 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8482
8483         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8484         DWARF_FRAME_RETURN_COLUMN to be a general register.
8485         * dwarf2out.c (init_return_column_size): New function, split from...
8486         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8487         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8488         to be nongeneral registers.
8489         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8490         integer registers.
8491         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8492         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8493
8494 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8495
8496         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8497
8498 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8499
8500         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8501         (remove_path): Use can_remove_branch_p and remove_branch instead
8502         of loop_delete_branch_edge.
8503         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8504         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8505         Update profile using scale_dominated_blocks_in_loop.
8506         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8507         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8508         (can_remove_branch_p, remove_branch): Declare.
8509         * tree-cfg.c (tree_can_remove_branch_p): New function.
8510         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8511         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8512         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8513
8514 2007-02-05  Jan Hubicka  <jh@suse.cz>
8515
8516         PR middle-end/30696
8517         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8518         nodes in cgraph, don't remove offline copy of the function.
8519
8520 2007-02-04  Jan Hubicka  <jh@suse.cz>
8521
8522         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8523         vectors might cause maybe_lookup_element_for_expr to be called
8524         on non-sra-candidate.
8525
8526 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8527
8528         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8529         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8530         spelling conventions.
8531
8532 2007-02-04  Richard Guenther  <rguenther@suse.de>
8533
8534         PR middle-end/30636
8535         * fold-const.c (try_move_mult_to_index): Make sure to not
8536         overflow one dimension of a multi-dimensional array access.
8537
8538 2007-02-04  Jan Hubicka  <jh@suse.cz>
8539
8540         * passes.c (init_optimization_passes): Reindent.
8541
8542 2007-02-04  Jan Hubicka  <jh@suse.cz>
8543             Eric Botcazou  <ebotcazou@adacore.com>
8544
8545         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8546         (execute_fixup_cfg): Break out the abnormal goto code.
8547         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8548         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8549         (optimize_inline_calls): Call make_nonlocal_label_edges.
8550
8551 2007-02-04  Jan Hubicka  <jh@suse.cz>
8552
8553         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8554         true when something was changed.
8555         (rename_ssa_copies): When something was changed, do
8556         TODO_remove_unused_locals.
8557         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8558         add TODO_remove_unused_locals when instruction was removed.
8559
8560 2007-02-04  Jan Hubicka  <jh@suse.cz>
8561
8562         * ipa-inline.c (try_inline): Improve debug output; work on already
8563         inline edges too.
8564         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8565         call try_inline for already inlined edges too when flattening;
8566         inline also functions that make callee growth but overall unit size
8567         reduce.
8568
8569 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8570
8571         * config/m32c/bitops.md, config/m32c/jump.md,
8572         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8573         config/m32r/m32r.h, config/m32r/m32r.md,
8574         config/m32r/predicates.md, config/m68hc11/larith.asm,
8575         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8576         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8577         config/mips/mips-protos.h, config/mips/mips.c,
8578         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8579         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8580         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8581         spelling conventions.
8582
8583         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8584         Follow spelling conventions.
8585
8586 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8587
8588         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8589         warn about C++0x compatibility.
8590
8591 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8592
8593         * config/h8300/h8300.c, config/h8300/h8300.h,
8594         config/h8300/h8300.md: Follow spelling conventions.
8595
8596 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8597
8598         PR middle-end/30667
8599         * combine.c (try_combine): Do not substitute source operand
8600         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8601
8602 2007-02-03  Jan Hubicka  <jh@suse.cz>
8603
8604         PR gcov-profile/30650
8605         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8606         do not divide by zero for never executed counters.
8607         (tree_find_values_to_profile): Fix counters.
8608         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8609
8610 2007-02-03  Ian Lance Taylor  <iant@google.com>
8611
8612         * lower-subreg.c (simple_move_operand): New static function,
8613         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8614         operands.
8615         (simple_move): Call simple_move_operand.
8616         (find_decomposable_subregs): Add special handling of MEMs.
8617         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8618         meaning of return value.  If we see a hard register, test whether
8619         it can store a word_mode value.  Change all callers.
8620
8621 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8622
8623         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8624         ftrapv insns and expanders.
8625         (subdi3): Change define_expand operand 1 to arith11_operand, and
8626         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8627         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8628         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8629         respectively.
8630
8631         PR middle-end/30174
8632         * varasm.c (notice_global_symbol): Treat global objects as weak when
8633         flag_shlib is true.
8634
8635 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8636
8637         * emit-rtl.c (dconstpi): Delete.
8638         (dconstsqrt2): New.
8639         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8640         * real.h (dconstpi): Delete.
8641         (dconstsqrt2): New.
8642         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8643         (fold_builtin_hypot): Likewise.
8644
8645 2007-02-03  Tom Tromey  <tromey@redhat.com>
8646
8647         PR driver/30246
8648         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8649         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8650
8651 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8652
8653         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8654         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8655         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8656         config/rs6000/cell.md, config/rs6000/darwin.h,
8657         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8658         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8659         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8660         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8661         typos.  Follow spelling conventions.
8662         * doc/invoke.texi: Follow spelling conventions.
8663
8664 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8665
8666         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8667         canonicalization transformations that attempt to simplify integer
8668         constant comparisons to become comparisons against zero.
8669
8670 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8671
8672         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8673         fabs(x)*sqrt(2).
8674         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8675         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8676
8677 2007-02-02  Mike Stump  <mrs@apple.com>
8678
8679         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8680         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8681         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8682         generate a branch island.
8683
8684 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8685
8686         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8687         (xtensa_legitimate_address_p): New.
8688         (xtensa_legitimize_address): New.
8689         (xtensa_output_addr_const_extra): New.
8690         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8691         (BASE_REG_P): New.
8692         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8693         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8694         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8695         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8696         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8697         (xtensa_legitimize_address): New.
8698         (xtensa_output_addr_const_extra): New.
8699
8700 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8701
8702         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8703
8704 2007-02-02  Ian Lance Taylor  <iant@google.com>
8705
8706         * expmed.c (expand_divmod): Add comment.
8707
8708 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8709
8710         * emit-rtl.c (renumber_insns): Remove.
8711         * flags.h: Remove the extern for flag_renumber_insns.
8712         * rtl.h: Remove the prototype for renumber_insns.
8713         * toplev.c (flag_renumber_insns): Remove.
8714
8715 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8716
8717         Revert for x86 darwin:
8718         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8719
8720         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8721         code before the following patch under TARGET_MACHO.
8722         (ix86_function_value_regno_p): Likewise.
8723
8724 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8725
8726         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8727         COMPLEX_EXPR.
8728
8729 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8730
8731         PR target/29682
8732         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8733         general or fp registers.  Add comments.
8734         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8735
8736 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8737
8738         * pointer-set.c (insert_aux): Only return insertion slot.
8739         (pointer_set_insert): Adjust.
8740         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8741         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8742         pointer_map_traverse): New.
8743         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8744         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8745         pointer_map_contains, pointer_map_traverse): Declare.
8746
8747 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8748
8749         PR middle-end/30473
8750         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8751         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8752
8753 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8754
8755         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8756
8757         (struct _dep): New type.
8758         (dep_t): New typedef.
8759         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8760         (DEP_STATUS): New access macro.  The macro with the same name was
8761         renamed to DEP_LINK_STATUS.
8762         (dep_init): Declare function
8763
8764         (struct _dep_link): New type.
8765         (dep_link_t): New typedef.
8766         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8767         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8768         (DEP_LINK_STATUS): New macro.
8769         (debug_dep_links): New debug function.
8770
8771         (struct _deps_list): New type.
8772         (deps_list_t): New typedef.
8773         (DEPS_LIST_FIRST): New access macro.
8774         (FOR_EACH_DEP_LINK): New cycle macro.
8775         (create_deps_list, free_deps_list, delete_deps_list): Declare
8776         functions.
8777         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8778         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8779         (copy_deps_list_change_con): Ditto.
8780
8781         (move_dep_link): Declare function.
8782
8783         (struct _dep_node): New type.
8784         (dep_node_t): New typedef.
8785         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8786
8787         (struct haifa_insn_data.back_deps): New field to hold backward
8788         dependencies of the insn.
8789         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8790         to deps_list_t.
8791         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8792         Change its type to deps_list_t.
8793         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8794         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8795         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8796
8797         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8798
8799         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8800
8801         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8802         all callers.
8803         (dep_cost): Declare.
8804
8805         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8806         (ds_to_dk, dk_to_ds): New functions.
8807
8808         (init_dep_1): New static function.
8809         (init_dep): New function.
8810         (copy_dep): New static function.
8811
8812         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8813         functions.
8814         (detach_dep_link): New static function.
8815         (move_dep_link): New function.
8816
8817         (dep_links_consistent_p, dump_dep_links): New static functions.
8818         (debug_dep_links): New debugging function.
8819
8820         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8821
8822         (alloc_deps_list, init_deps_list): New static functions.
8823         (create_deps_list): New function.
8824         (clear_deps_list): New static function.
8825         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8826         (deps_list_consistent_p, dump_deps_list): New static functions.
8827         (debug_deps_list): New function.
8828         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8829         functions.
8830         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8831
8832         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8833         use new scheduler dependencies lists.
8834         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8835         (sched_analyze): Ditto.  Initialize dependencies lists.
8836         (add_forw_dep, compute_forward_dependences): Update to use new
8837         scheduler dependencies lists.
8838
8839         (init_dependency_caches): Init deps_obstack.
8840         (free_dependency_caches): Free deps_obstack.
8841
8842         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8843         new scheduler dependencies lists.
8844         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8845         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8846
8847         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8848         Update to use new scheduler dependencies lists.
8849         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8850         (debug_dependencies): Ditto.
8851         (schedule_region): Update comments.
8852
8853         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8854         scheduler dependencies lists.
8855         (schedule_ebb): Update comments.
8856
8857         * rtl.def (DEPS_LIST): Remove.
8858
8859         * lists.c (unused_deps_list): Remove.
8860         (free_list): Update assertions.
8861
8862         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8863         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8864
8865         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8866         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8867
8868         * haifa-sched.c (comments): Update.
8869         (insn_cost1): Remove.  Inline the code into insn_cost ().
8870         (insn_cost): Update to use new scheduler dependencies lists.  Move
8871         processing of the dependency cost to dep_cost ().
8872         (dep_cost): New function.  Use it instead of insn_cost () when
8873         evaluating cost of the dependency.  Use compatible interface to
8874         interact with the target.
8875         (priority): Update to use new scheduler dependencies lists.
8876         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8877         with greater number of insns that depend on the insn.
8878         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8879         code to free backward dependencies lists.  Inline and optimize code
8880         from resolve_dep () - see PR28071.
8881         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8882         lists.  Update call to targetm.sched.is_costly_dependence hook.
8883
8884         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8885         scheduler dependencies lists.
8886
8887         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8888         (init_h_i_d): Initialize dependencies lists.
8889
8890         (process_insn_depend_be_in_spec): Rename to
8891         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8892         dependencies lists.
8893         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8894         Update to use new scheduler dependencies lists.
8895         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8896
8897         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8898         new scheduler dependencies lists.
8899         (build_intra_loop_deps): Ditto.
8900
8901         * target.h (struct _dep): Declare to use in
8902         gcc_target.sched.is_costly_dependence.
8903         (struct gcc_target.sched.adjust_cost): Fix typo.
8904         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8905         single dep_t parameter instead of an equivalent triad.
8906         (struct gcc_target.sched.adjust_cost_2): Remove.
8907
8908         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8909
8910         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8911
8912         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8913         documentation.
8914         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8915
8916         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8917         (REG_DEP_TRUE): Document.
8918
8919         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8920         Change signature to correspond to the targetm.sched.adjust_cost hook.
8921         Update use in TARGET_SCHED_ADJUST_COST_2.
8922         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8923         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8924         new scheduler dependencies lists.
8925         (ia64_gen_check): Ditto.
8926
8927         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8928         dependencies lists.
8929
8930         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8931         signature to correspond to the targetm.sched.is_costly_dependence hook.
8932         (is_costly_group): Update to use new scheduler dependencies lists.
8933
8934         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8935         instead of INSN_COST () macro.
8936
8937 2007-02-01  Ian Lance Taylor  <iant@google.com>
8938
8939         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8940
8941 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8942
8943         * pa.md (tp_load): Correct mfctl instruction syntax.
8944
8945 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8946
8947         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8948         altivec_padding_size calculation on AIX.  Improve comment, add
8949         assert to verify that it's right.
8950
8951         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8952         64-bit.
8953
8954 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8955
8956         PR inline-asm/28686
8957         * global.c (global_alloc): Add mising initialization of
8958         ELIMINABLE_REGSET.
8959
8960 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8961
8962         * alias.c (init_alias_analysis): Correct whitespace.
8963         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8964         partition_hot_cold_basic_blocks): Likewise.
8965         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8966         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8967         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8968         fold_builtin_snprintf_chk, fold_builtin_printf,
8969         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8970         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8971         * cfgcleanup.c (cleanup_cfg): Likewise.
8972         * cfgexpand.c (tree_expand_cfg): Likewise.
8973         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8974         * function.c (get_next_funcdef_no): Likewise.
8975         * gengtype.c (main): Likewise.
8976         * genmodes.c (main): Likewise.
8977         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8978         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8979         * ifcvt.c (noce_emit_move_insn): Likewise.
8980         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8981         Likewise.
8982         * stor-layout.c (get_best_mode): Likewise.
8983         * tree-ssa-loop-niter.c (get_val_for): Likewise.
8984         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8985         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8986         perform_var_substitution, solve_graph): Likewise.
8987         * tree-vrp.c (vrp_finalize): Likewise.
8988
8989 2007-02-01  Ian Lance Taylor  <iant@google.com>
8990
8991         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8992         high part of a paradoxical subreg, return a constant zero.
8993
8994 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
8995
8996         * toplev.c (lang_dependent_init): Call init_set_costs.
8997         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8998
8999 2007-02-01  Richard Guenther  <rguenther@suse.de>
9000
9001         PR middle-end/30656
9002         * fold-const.c (fold_negate_expr): Allow negating a
9003         constant if overflow does not change.
9004
9005 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9006
9007         * doc/c-tree.texi (Expression trees): Improve markup.
9008         * doc/tm.texi (Register Classes, Addressing Modes)
9009         (Floating Point): Fix spacing after abbreviations.  Fix some
9010         typos.
9011
9012 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9013
9014         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9015         * doc/contrib.texi: Likewise.
9016         * doc/install.texi: Likewise.
9017
9018 2007-01-31  Richard Henderson  <rth@redhat.com>
9019             Ian Lance Taylor  <iant@google.com>
9020
9021         * lower-subreg.c: New file.
9022         * rtl.def (CONCATN): Define.
9023         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9024         pass_lower_subreg2.
9025         * emit-rtl.c (update_reg_offset): New static function, broken out
9026         of gen_rtx_REG_offset.
9027         (gen_rtx_REG_offset): Call update_reg_offset.
9028         (gen_reg_rtx_offset): New function.
9029         * regclass.c: Revert patch of 2006-03-05, restoring
9030         reg_scan_update.
9031         (clear_reg_info_regno): New function.
9032         * dwarf2out.c (concatn_loc_descriptor): New static function.
9033         (loc_descriptor): Handle CONCATN.
9034         * common.opt (fsplit_wide_types): New option.
9035         * opts.c (decode_options): Set flag_split_wide_types when
9036         optimizing.
9037         * timevar.def (TV_LOWER_SUBREG): Define.
9038         * rtl.h (gen_reg_rtx_offset): Declare.
9039         (reg_scan_update): Declare.
9040         * regs.h (clear_reg_info_regno): Declare.
9041         * tree-pass.h (pass_lower_subreg): Declare.
9042         (pass_lower_subreg2): Declare.
9043         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9044         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9045         -fsplit-wide-types.
9046         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9047         * Makefile.in (OBJS-common): Add lower-subreg.o.
9048         (lower-subreg.o): New target.
9049
9050 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9051
9052         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9053
9054 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9055
9056         PR target/19087
9057         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9058
9059 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9060
9061         PR middle-end/29335
9062         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9063
9064 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9065
9066         * cfgloop.h: Include vec-prim.h.
9067         (enum li_flags): Remove LI_ONLY_OLD.
9068         (loop_iterator): Changed.
9069         (fel_next, fel_init): Iterate over loop tree.
9070         (FOR_EACH_LOOP_BREAK): New macro.
9071         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9072         FOR_EACH_LOOP.
9073         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9074         * modulo-sched.c (sms_schedule): Ditto.
9075         * tree-vectorizer.c (vectorize_loops): Ditto.
9076         * doc/loop.texi: Update information on loop numbering and behavior of
9077         FOR_EACH_LOOP wrto new loops.
9078         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9079         add_to_evolution_1): Test nestedness of loops instead of comparing
9080         their numbers.
9081         * tree-chrec.c (chrec_fold_plus_poly_poly,
9082         chrec_fold_multiply_poly_poly, chrec_evaluate,
9083         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9084         reset_evolution_in_loop): Ditto.
9085         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9086
9087 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9088
9089         * c-common.c (warn_about_parentheses): Separate warning about
9090         un-parenthized sequence of comparison operators from the one
9091         which is supposed to warn about x <= y <= z.
9092
9093 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9094
9095         * optabs.h (enum optab_index): Add new OTI_isinf.
9096         (isinf_optab): Define corresponding macro.
9097         * optabs.c (init_optabs): Initialize isinf_optab.
9098         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9099         patterns.
9100         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9101         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9102         using isinf_optab.
9103         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9104         expand_builtin_interclass_mathfn.
9105         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9106         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9107         (fxam<mode>2_i387): New insn pattern.
9108         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9109         built-in functions as x87 inline asm.
9110
9111 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9112
9113         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9114
9115 2007-01-30  Eric Christopher  <echristo@apple.com>
9116
9117         * config.gcc: Add geode.
9118
9119 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9120
9121         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9122         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9123         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9124         value-prof.c: Fix comment typos.
9125
9126 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9127
9128         PR c++/24745
9129         * doc/invoke.texi (Wpointer-arith): Document warning.
9130
9131 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9132
9133         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9134         the list of discrepancies from the draft TR.
9135
9136 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9137
9138         PR c++/30601
9139         * doc/invoke.texi (-Wreturn-type): Update description to
9140         match new behavior.
9141
9142 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9143
9144         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9145
9146 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9147
9148         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9149         to handle optabs that operate on floating point input argument and
9150         output to integer output.
9151         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9152         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9153         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9154         expand_builtin_interclass_mathfn ().
9155         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9156         (ilogbsi2): Remove.
9157         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9158         ilogbl built-in functions as x87 intrinsics.
9159
9160 2007-01-30  Richard Guenther  <rguenther@suse.de>
9161
9162         PR middle-end/27657
9163         * dwarf2out.c (reference_to_unused): Query varpool if the
9164         variable was output.
9165
9166 2007-01-30  Richard Guenther  <rguenther@suse.de>
9167
9168         PR middle-end/30313
9169         * passes.c (execute_one_pass): Reset in_gimple_form to not
9170         confuse non-unit-at-a-time mode.
9171
9172 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9173             Richard Guenther  <rguenther@suse.de>
9174
9175         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9176         avoid undefined behaviour on overflow.  Use force_fit_type_double
9177         to construct the constant with the specified TREE_OVERFLOW.
9178
9179 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9180
9181         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9182         * config/dfp-bit.h: Ditto.
9183
9184 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9185
9186         * c-decl.c (pop_scope): Replace warnings with call to
9187         warn_for_unused_label.
9188         * c-common.h (warn_for_unused_label): Declare.
9189         * c-common.c (warn_for_unused_label): Define.
9190
9191 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9192
9193         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9194         function.
9195
9196 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9197
9198         * Makefile.in (USER_H): Remove decfloat.h.
9199         * ginclude/decfloat.h: Delete, moving contents to ...
9200         * ginclude/float.h: Add support for decimal floating point,
9201         guarded by __STDC_WANT_DEC_FP__.
9202
9203 2007-01-29  Mike Stump  <mrs@apple.com>
9204
9205         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9206         Analysis and Representation to resolve case insensitive conflict.
9207         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9208
9209 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9210
9211         * tree.h (struct tree_memory_tag): Add aliases member.
9212         (MTAG_ALIASES): New macro.
9213         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9214         (add_may_alias): Remove pointer-set. Update for may_aliases being
9215         a bitmap.
9216         (mark_aliases_call_clobbered): Update for may_aliases being a
9217         bitmap.
9218         (compute_tag_properties): Ditto.
9219         (create_partition_for): Ditto.
9220         (compute_memory_partitions): Ditto.
9221         (dump_may_aliases_for): Ditto.
9222         (is_aliased_with): Ditto.
9223         (add_may_alias_for_new_tag): Ditto.
9224         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9225         (compute_is_aliased): New function.
9226         (compute_may_aliases): Call compute_is_aliased).
9227         (init_alias_info): Initialize alias_bitmap_obstack.
9228         (union_alias_set_into): New function.
9229         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9230         (have_common_aliases_p): Rewrite to take two bitmaps and use
9231         intersection.
9232         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9233         Update for bitmaps.
9234         (finalize_ref_all_pointers): Update for add_may_alias changes.
9235         (new_type_alias): Ditto.
9236         * tree-flow-inline.h (may_aliases): Return a bitmap.
9237         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9238         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9239         may_aliases being a bitmap.
9240         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9241         may_aliases now returns a bitmap.
9242         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9243         being a bitmap.
9244         * tree-ssa-operands.c (add_virtual_operand): Update for
9245         may_aliases being a bitmap.
9246
9247 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9248
9249         PR tree-optimization/30630
9250         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9251         variable as changed.
9252
9253 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9254
9255         PR c++/28266
9256         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9257         expanded only once even if an error occurs.
9258
9259 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9260
9261         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9262         (__gcov_average_profiler): Likewise.
9263         (__gcov_ior_profiler): Likewise.
9264         (__gcov_merge_ior): Likewise.
9265
9266 2007-01-28  Jan Hubicka  <jh@suse.cz>
9267
9268         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9269         * value-prof.c (stringop_block_profile): Likewise.
9270
9271 2007-01-28  Jan Hubicka  <jh@suse.cz>
9272
9273         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9274         variant handling histograms; add wrapper.
9275         (clear_storage_via_libcall): Export.
9276         (emit_block_move_hints): Break out from ...; add histograms.
9277         (emit_block_move): ... this one.
9278         (clear_storage_hints): Break out from ...; add histograms.
9279         (clear_storage): ... this one.
9280         (set_storage_via_memset): Handle histogram.
9281         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9282         (clear_storage_hints, clear_storage_via_libcall): Declare.
9283         (set_storage_via_setmem): Update prototype.
9284         * doc/md.texi (movmem, setmem): Document new arguments.
9285
9286         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9287         new histograms.
9288         (stringop_block_profile): New global function.
9289         (tree_stringops_values_to_profile): Profile block size and alignment.
9290         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9291         HIST_TYPE_IOR.
9292         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9293         (stringop_block_profile): Declare.
9294         * builtins.c: Include value-prof.h.
9295         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9296         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9297         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9298         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9299         * profile.c (instrument_values): Add new counters.
9300         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9301         calls.
9302         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9303         (tree_init_edge_profiler): Build new profilers.
9304         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9305         (pass_tree_profile): Add dump.
9306         (tree_profile_hooks): Update.
9307         * Makefile.in (LIBGCOV): Add new constants.
9308         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9309         __gcov_ior_profiler): New.
9310         * i386.md (movmem/setmem expanders): Add new optional arguments.
9311
9312 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9313
9314         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9315
9316 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9317
9318         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9319         (tree_unswitch_single_loop): Pass eni_size_weights to
9320         tree_num_loop_insns.
9321         * tree-ssa-loop-manip.c: Include tree-inline.h.
9322         (can_unroll_loop_p): Pass eni_size_weights to
9323         tree_num_loop_insns.
9324         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9325         Pass eni_size_weights to estimate_num_insns.
9326         * tree.h (init_inline_once): Export.
9327         * toplev.c (backend_init): Call init_inline_once.
9328         * cgraphunit.c (cgraph_process_new_functions,
9329         cgraph_analyze_function): Pass eni_inlining_weights to
9330         estimate_num_insns.
9331         * ipa-inline.c (compute_inline_parameters): Ditto.
9332         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9333         to estimate_num_insns.
9334         (try_unroll_loop_completely): Pass eni_size_weights to
9335         tree_num_loop_insns.
9336         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9337         ot estimate_num_insns.
9338         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9339         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9340         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9341         eni_time_weights): New variables.
9342         (init_inline_once): Initialize them.
9343         (struct eni_data): Mew.
9344         (estimate_num_insns_1, estimate_num_insns): Use weights.
9345         * tree-inline.h (struct eni_weights_d): New.
9346         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9347         (estimate_num_insns): Declaration changed.
9348         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9349         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9350         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9351
9352 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9353
9354         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9355         relations in the conflict function is valid.
9356
9357 2007-01-27  Ian Lance Taylor  <iant@google.com>
9358
9359         * common.opt: Add fstrict-overflow.
9360         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9361         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9362         (TYPE_OVERFLOW_UNDEFINED): Define.
9363         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9364         Replace all uses.
9365         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9366         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9367         (fold_negate_expr): Likewise.
9368         (make_range): Likewise.
9369         (extract_muldiv_1): Likewise.
9370         (maybe_canonicalize_comparison): Likewise.
9371         (fold_comparison): Likewise.
9372         (fold_binary): Likewise.
9373         (tree_expr_nonnegative_p): Likewise.
9374         (tree_expr_nonzero_p): Likewise.
9375         * tree-vrp.c (compare_values): Likewise.
9376         (extract_range_from_binary_expr): Likewise.
9377         (extract_range_from_unary_expr): Likewise.
9378         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9379         Likewise.
9380         (nowrap_type_p): Likewise.
9381         * tree-scalar-evolution.c (simple_iv): Likewise.
9382         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9383         (build_range_check): Likewise.
9384         (extract_muldiv_1): Likewise.
9385         (fold_comparison): Likewise.
9386         * tree-vrp.c (vrp_int_const_binop): Likewise.
9387         (extract_range_from_unary_expr): Likewise.
9388         * convert.c (convert_to_integer): Likewise.
9389         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9390         (fold_comparison): Likewise.
9391         (fold_binary): Likewise.
9392         * optabs.c (optab_for_tree_code): Likewise.
9393         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9394         * simplify-rtx.c (simplify_const_relational_operation): Check
9395         flag_strict_overflow and flag_trapv.
9396         (simplify_const_relational_operation): Likewise.
9397         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9398         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9399         -fstrict-overflow.
9400
9401 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9402
9403         * tree.c (tree_fold_gcd): Delete.
9404         * tree.h (tree_fold_gcd): Remove prototype.
9405         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9406         test whether one constant integer is a multiple of another.  Instead
9407         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9408         * fold-const.c (multiple_of_p):  We've determined both TOP and
9409         BOTTOM are integer constants so we can call int_const_binop directly
9410         instead of the more generic const_binop.
9411
9412 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9413
9414         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9415         1*X check that the constant hasn't overflowed, to preserve the
9416         TREE_OVERFLOW bit.
9417         (round_up): Provide an efficient implementation when rouding-up an
9418         INTEGER_CST to a power-of-two.
9419
9420 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9421
9422         * doc/sourcebuild.texi: Add comma for clarity.
9423         * doc/extend.texi: Fix some typos.
9424         * doc/passes.texi: Likewise.
9425         * doc/cppinternals.texi: Likewise.
9426         * doc/c-tree.texi: Likewise.
9427         * doc/tree-ssa.texi: Likewise.
9428         * doc/install.texi: Likewise.
9429
9430 2007-01-27  Jan Hubicka  <jh@suse.cz>
9431
9432         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9433         (pass_sra): Do not require alias information.
9434         * passes.c (init_optimization_passes): Add SRA
9435
9436 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9437
9438         * tracer.c (rest_of_handle_tracer): We already cleaned
9439         up the CFG in tracer() so don't do it here again.
9440         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9441         cleanup_cfg here, either.  And don't call renumber_insns.
9442
9443         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9444         and BB_HEAD are in the insn stream here.  Instead make sure
9445         that BB_INSN is valid on all insns.  Also, do check here that
9446         there are no pending branch predictions...
9447         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9448         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9449         here.
9450
9451 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9452
9453         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9454         function to simplify/factorize operand order canonicalization.
9455         (ix86_fixup_binary_operands): Reorganize using the above function.
9456         (ix86_binary_operator_ok): Likewise.
9457
9458 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9459
9460         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9461         file scope from optimize_attrs.
9462         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9463         up search.
9464         (optimize_attrs): Clear insn_code_values after freeing it.
9465
9466 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9467
9468         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9469         a parts.base assignment.
9470
9471 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9472
9473         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9474         (compute_subscript_distance, initialize_data_dependence_relation,
9475         finalize_ddr_dependent, analyze_ziv_subscript,
9476         analyze_siv_subscript_cst_affine,
9477         compute_overlap_steps_for_affine_univar,
9478         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9479         analyze_siv_subscript, analyze_miv_subscript,
9480         analyze_overlapping_iterations, subscript_dependence_tester_1,
9481         compute_self_dependence, free_dependence_relation): Work
9482         with affine_fn instead of chrecs.
9483         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9484         common_affine_function, affine_function_base,
9485         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9486         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9487         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9488         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9489         (all_chrecs_equal_p): Removed.
9490         * tree-data-ref.h (affine_fn, conflict_function): New types.
9491         (struct subscript): Change type of conflicting_iterations_in_a
9492         and conflicting_iterations_in_b.
9493
9494 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9495
9496         PR other/30182
9497         * config/pa/pa.h (TARGET_HPUX_11): New.
9498         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9499         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9500
9501 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9502         Richard Guenther  <rguenther@suse.de>
9503
9504         * tree-ssa-structalias.c (solve_graph): Handle case
9505         we merged the variable to another.
9506
9507 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9508
9509         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9510         functions.
9511
9512         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9513         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9514
9515 2007-01-25  DJ Delorie  <dj@redhat.com>
9516
9517         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9518         allow changes to modes which don't fit in those registers.
9519
9520         * reload1.c (choose_reload_regs): Check for invalid subregs before
9521         computing their locations, not after.
9522
9523 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9524
9525         PR 25127
9526         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9527         save Altivec registers in an eh_return function.
9528         (compute_vrsave_mask): Likewise.
9529         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9530         for saving Altivec registers.
9531         (rs6000_emit_prologue): Don't allocate stack twice in
9532         eh_return function.  Correct expected value of altivec_save_offset
9533         when using save_world.  Describe save of R0 to stack when using
9534         save_world.  Describe stack pointer adjustment when using
9535         save_world.  Remove duplicated eh_return parameter register saving.
9536         Update sp_offset variable after save_world.
9537         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9538         darwin-world.asm.
9539         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9540         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9541         implies Altivec.
9542
9543 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9544
9545         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9546
9547 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9548
9549         PR other/30182
9550         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9551         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9552
9553 2007-01-25  Richard Guenther  <rguenther@suse.de>
9554
9555         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9556         * common.opt (-Wcoverage-mismatch): New warning option.
9557         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9558         if -Wcoverage-mismatch is given.
9559
9560 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9561
9562         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9563         (ipcp_driver): Change to static definition.
9564         Add dumping of the ifunctions.
9565         (constant_val_insert): Remove unused parameter. Support for SSA.
9566         (ipcp_propagate_const): Support for SSA.
9567         (ipcp_profile_bb_print): Print only analyzed nodes.
9568         (ipcp_replace_map_create): Remove support for Fortran constant
9569         for now.
9570         * ipa-prop.c (ipa_method_modify_stmt,
9571         ipa_callsite_compute_param): Support for SSA.
9572         * ipa-prop.h (ipcp_driver): Remove declaration.
9573         (IS_VALID_TREE_MAP_INDEX): Add define.
9574
9575 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9576
9577         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9578
9579 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9580
9581         PR middle-end/30447
9582         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9583         constant argument to cabs and do it without checking for
9584         -funsafe-math-optimizations.
9585
9586 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9587
9588         * c-common.h (RID_FIRST_CXX0X): New.
9589         (RID_LAST_CXX0X): New.
9590         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9591         by -Wall.
9592         * c.opt (Wc++0x-compat): New.
9593         * doc/invoke.texi (-Wc++0x-compat): Document.
9594
9595 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9596
9597         * builtins.c (fold_builtin_carg): New.
9598         (fold_builtin_1): Use it.
9599
9600 2007-01-24  Jan Hubicka  <jh@suse.cz>
9601
9602         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9603
9604         * ipa-inline.c (initial_insns, max_insns): Delete.
9605         (compute_max_insns): New function.
9606         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9607         of insns as base for code growth.
9608         (cgraph_decide_inlining): Make initial_insns local; do not compute
9609         max_insns.
9610         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9611         * doc/invoke.texi (inline-unit-growth): Update docs.
9612
9613 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9614
9615         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9616         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9617         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9618         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9619         for CPUs that have PTA_CX16 set.
9620
9621         PR middle-end/27416
9622         * gimplify.c (omp_check_private): New function.
9623         (gimplify_scan_omp_clauses): Use it for
9624         firstprivate/lastprivate/reduction.
9625
9626         PR middle-end/30494
9627         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9628         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9629
9630         PR middle-end/30421
9631         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9632         If lower_lastprivate_clauses emits some statements, append them
9633         to dlist rather than body_p and to body_p append an initializer.
9634         (lower_omp_for): Adjust caller.
9635
9636 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9637
9638         * target.h (globalize_decl_name): New.
9639         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9640         * output.h (default_globalize_decl_name): New.
9641         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9642         globalize_label.
9643         (globalize_decl): Ditto.
9644         (default_globalize_decl_name): New.
9645         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9646         (ia64_handle_version_id_attribute): New.
9647         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9648         (ia64_asm_output_external): Use globalize_decl_name instead
9649         of globalize_label.
9650         * doc/extend.texi (version_id): New pragma.
9651         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9652
9653 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9654
9655         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9656         _uleb128_t and _Unwind_SWord with _sleb128_t.
9657         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9658         uw_frame_state_for, uw_update_context_1): Likewise.
9659         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9660         * unwind-pe.h (read_uleb128, read_sleb128,
9661         read_encoded_value_with_base): Likewise.
9662         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9663
9664 2007-01-24  Richard Guenther  <rguenther@suse.de>
9665
9666         * builtins.c (expand_builtin_cexpi): Get the fndecl
9667         for cexp in the correct way.
9668
9669 2007-01-24  Jan Hubicka  <jh@suse.cz>
9670
9671         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9672
9673 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9674
9675         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9676         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9677         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9678         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9679         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9680         __SIZEOF_PTRDIFF_T__.
9681         * doc/cpp.texi: Documentation for the new builtin macros added.
9682
9683 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9684
9685         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9686         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9687         instead of operands[2] to avoid access past the end of array.
9688
9689 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9690
9691         * reload1.c (emit_reload_insns): Pass the reload register
9692         for a non-spill output reload through forget_old_reloads_1.
9693
9694 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9695
9696         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9697         _SOFT_DOUBLE if doubles use software floating-point.
9698         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9699         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9700         * config/rs6000/darwin-ldouble.c: Also compile functions for
9701         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9702         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9703         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9704         commented-out long double override.
9705         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9706         * config/rs6000/eabispe.h: Likewise.
9707         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9708         long double for non-SPE.
9709         (rs6000_handle_option): Likewise.
9710         (invalid_e500_subreg): Disallow more subregs involding DImode,
9711         DFmode, TImode or TFmode.
9712         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9713         E500 double.
9714         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9715         double.
9716         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9717         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9718         double.
9719         (rs6000_legitimate_address): Also check for TFmode for E500
9720         double.
9721         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9722         (spe_build_register_parallel): Handle TFmode and TCmode.
9723         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9724         double.
9725         (function_arg): Handle TFmode and TCmode for E500 double.
9726         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9727         in general.
9728         (print_operand): Handle TFmode and TImode for %y.
9729         (rs6000_generate_compare): Handle TFmode comparisons for E500
9730         double.
9731         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9732         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9733         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9734         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9735         TFmode for E500 double.
9736         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9737         (floatsidf2): Enable for E500 double.
9738         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9739         (extenddftf2): Change to extenddftf2_fprs.
9740         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9741         depending on TARGET_E500_DOUBLE.
9742         (extendsftf2): Enable for E500 double.
9743         (trunctfdf2): Enable for E500 double.
9744         (trunctfsf2): Change to trunctfsf2_fprs.
9745         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9746         depending on TARGET_E500_DOUBLE.
9747         (floatsitf2): Enable for E500 double.
9748         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9749         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9750         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9751         (negtf2): Change to negtf2_internal.
9752         (negtf2): New expander.
9753         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9754         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9755         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9756         (movdi_internal32): Use rs6000_nonimmediate_operand.
9757         (unnamed splitter): Likewise.
9758         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9759         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9760         (SPE64TF, DITI): New mode macros.
9761         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9762         modes.
9763         (frob_tf_ti): New.
9764         (frob_<mode>_di_2): New.
9765         (frob_tf_di_8_2): New.
9766         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9767         (frob_ti_tf): New.
9768         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9769         more modes.
9770         (frob_ti_<mode>_8_2): New.
9771         (frob_ti_tf_2): New.
9772         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9773         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9774         TFmode.
9775         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9776         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9777         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9778         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9779         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9780         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9781         tsttflt_gp): New.
9782
9783 2007-01-23  Ian Lance Taylor  <iant@google.com>
9784
9785         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9786         insn-*.o first.
9787         (OBJS-archive): Reformat, alphabetize.
9788         (OBJS): Change out_object_file to OBJS-md.
9789
9790 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9791
9792         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9793         JUMP_P and CALL_P predicates where applicable.
9794         * config/i386/i386.c: Ditto.
9795         * config/i386/i386.md: Ditto.
9796         * config/i386/mmx.md: Ditto.
9797         * config/i386/predicates.md: Ditto.
9798
9799 2007-01-22  Andreas Schwab  <schwab@suse.de>
9800
9801         * config/m68k/m68k.h: Fix comment.
9802
9803 2007-01-22  Jan Hubicka  <jh@suse.cz>
9804
9805         * passes.c (init_optimization_passes): Do not rerun
9806         pass_early_warn_uninitialized.
9807
9808 2007-01-22  Richard Guenther  <rguenther@suse.de>
9809
9810         PR tree-optimization/30038
9811         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9812         function.
9813         (execute_cse_sincos_1): Likewise.
9814         (execute_cse_sincos): Likewise.
9815         (gate_cse_sincos): Likewise.
9816         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9817         the cexpi() canonicalization of sincos().
9818         * tree-pass.h (pass_cse_sincos): Declare.
9819         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9820
9821 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9822
9823         PR rtl-optimization/29329
9824         * combine.c (replaced_rhs_insn): Rename to i2mod.
9825         (replaced_rhs_value): Rename to i2mod_new_rhs.
9826         (i2mod_old_rhs): New global variable.
9827         (combine_instructions): Adjust for above change.  Save a copy of
9828         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9829         note are substituted in the second instruction.
9830         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9831         ditch the note if it pertains to the second eliminated register
9832         and this register is mentioned in i2mod_old_rhs.
9833
9834         Revert:
9835         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9836
9837         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9838         the insn to which the note was originally attached.
9839
9840 2007-01-21  Jan Hubicka  <jh@suse.cz>
9841
9842         * ipa-inline.c (inlining_mode): Comment, move up.
9843         (cgraph_decide_inlining_incrementally): Do not perform inlining
9844         itself; fix handling of flattening of self recursive functions.
9845         (cgraph_find_cycles): Remove.
9846         (cgraph_flatten_node): Remove.
9847         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9848         (try_inline): New function.
9849         (cgraph_early_inlining): Update call of
9850         cgraph_decide_inlining_incrementally.  Apply inlining here.
9851         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9852
9853 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9854
9855         PR bootstrap/30511
9856         * tree-vrp.c (check_array_bounds): do not warn
9857         about ADDR_EXPR's of ARRAY_REF's which are immediately
9858         used in binary expressions.
9859
9860 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9861
9862         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9863         read_write_dep and macros for its access.
9864         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9865         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9866         argument, call vect_check_interleaving for every independent pair of
9867         data-refs. Mark loads that access the same memory location as a store
9868         in the loop.
9869         (vect_check_dependences): Remove.
9870         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9871         call, fix the call to vect_analyze_data_ref_dependence.
9872         (vect_analyze_data_ref_access): For statements that access the same
9873         data-ref, check that they are not stores; for loads, check that there
9874         is no store that access the same location.
9875
9876 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9877             Joseph Myers  <joseph@codesourcery.com>
9878
9879         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9880         (-fdump-rtl-stack): Likewise.
9881         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9882         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9883         (-mpt-fixed): Use @minus{} for minus sign.
9884         (Using Precompiled Headers): Fix under/overfull hbox.
9885
9886 2007-01-20  Jan Hubicka  <jh@suse.cz>
9887
9888         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9889         place within annotation.
9890
9891 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9892
9893         * pa.c (output_move_double): Change array size of xoperands to 4.
9894
9895 2007-01-20  Jan Hubicka  <jh@suse.cz>
9896
9897         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9898         as temporary.
9899
9900 2007-01-19  Ian Lance Taylor  <iant@google.com>
9901
9902         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9903         constant to unsigned HOST_WIDE_INT before negating.
9904
9905 2007-01-19  Ian Lance Taylor  <iant@google.com>
9906
9907         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9908         to unsigned.
9909         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9910         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9911         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9912         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9913         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9914         (realloc_vdef, realloc_vuse): Change second parameter to
9915         unsigned.
9916         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9917         fields to unsigned.
9918         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9919         unsigned. Change x and lim locals to unsigned.
9920         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9921         unsigned.
9922         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9923         (copy_virtual_operands): Change i and n locals to unsigned.
9924
9925 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9926
9927         PR middle-end/29335
9928         * builtins.c (fold_builtin_1): Handle builtin fdim.
9929
9930 2007-01-20  Jan Hubicka  <jh@suse.cz>
9931
9932         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9933         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9934         init_alias_heapvars.
9935         (init_alias_heapvars): Initialize only when not already initialized.
9936         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9937
9938 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9939
9940         * common.opt (fsigned-zeros): New command line option.
9941         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9942         of flag_unsafe_math_optimizations.
9943         * opts.c (set_fast_math_flags): The -ffast-math command line option
9944         implies -fno-signed-zeros.
9945         (fast_math_flags_set_p): Likewise.
9946
9947         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9948         the documentation of -ffast-math appropriately.  Wrap long lines.
9949
9950 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9951
9952         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9953         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9954
9955 2007-01-19  Tomas Bily  <tbily@suse.cz>
9956
9957         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9958         * tree-profile.c:
9959         (tree_init_ic_make_global_vars): New function
9960         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9961         (tree_gen_ic_profiler): New function
9962         (tree_gen_ic_func_profiler): New function
9963         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9964         (tree_profile_hooks): Added hook for indirec/virtual calls
9965         * value-prof.c (tree_find_values_to_profile): New case for
9966         indirect calls
9967         (tree_values_to_profile): Call for determining indirect/virtual
9968         counters
9969         (tree_indirect_call_to_profile): New function
9970         (tree_ic_transform): New function
9971         (tree_ic): New function
9972         (find_func_by_pid): New function
9973         (init_pid_map): New function
9974         (tree_value_profile_transformations): Added check for
9975         indirect/virtual call transformation
9976         * value-prof.h (enum hist_type): New counter type for
9977         indirect/virtual calls
9978         (profile_hooks): Added new hook for profiling indirect/virtual
9979         calls
9980         * profile.c (instrument_values): New case for indirect/virtual
9981         call added
9982         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9983         (GCOV_COUNTER_V_INDIR): New counter type
9984         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9985         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9986         call added
9987         * cgraph.c: Definition of cgraph_max_pid
9988         (cgraph_create_node): Default init of pid attribute
9989         * cgraph.h: Declaration of cgraph_max_pid
9990         (struct cgraph_node): Added pid attribute
9991         * libgcov.c (__gcov_indirect_call_profiler): New function
9992         (__gcov_one_value_profiler_body): New function
9993         (__gcov_one_value_profiler): Body was moved to
9994         __gcov_one_value_profiler_body and calls it
9995
9996 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
9997
9998         * doc/gty.texi (Options): Document the mark_hook option to GTY.
9999         * gengtype.c (write_types_data, write_func_for_structure,
10000         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10001         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10002         (walk_type, write_func_for_structure): Generate the mark_hook if
10003         needed.
10004
10005 2007-01-19  Jan Hubicka  <jh@suse.cz>
10006
10007         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10008         'early' argument take inlining mode argument specifying whether to
10009         inline for size/speeed or all functions; add support for flattening;
10010         improve dumpting.
10011         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10012
10013 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10014
10015         PR c++/17947
10016         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10017         the name of the declared identifier.
10018
10019 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10020
10021         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10022         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10023         duplicate evaluation.
10024
10025 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10026
10027         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10028         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10029         to XFMode, use acosxf2 and truncate result to requested mode.
10030         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10031         (asin<mode>2): Similarly, with asin expanders.
10032         (*fscalexf4_i387): Rename from *fscalexf4.
10033         (expNcorexf3): New expander.
10034         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10035         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10036         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10037         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10038         patterns for SSE math.
10039         (exp10<mode>2): Similarly, with exp10 expanders.
10040         (exp2<mode>2): Similarly, with exp2 expanders.
10041         (expm1<mode>2): Similarly, with expm1 expanders.
10042         (ldexp<mode>3): Similarly, with ldexp expanders.
10043         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10044         Use gen_truncxf<mode>2_i387_noop to truncate result.
10045
10046 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10047
10048         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10049         for ColdFire targets.
10050
10051 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10052             Richard Sandiford  <richard@codesourcery.com>
10053
10054         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10055         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10056         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10057         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10058         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10059         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10060
10061 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10062
10063         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10064         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10065         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10066         (*adddi_dilshr32_cf): New pattern.
10067         (adddi3, subdi3): Remove first alternatives.
10068
10069 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10070
10071         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10072         implemented using move.l, do not use its cc result for floating-point
10073         comparisons.
10074
10075 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10076
10077         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10078         from accepting 's' constraints if flag_pic.
10079
10080 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10081
10082         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10083         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10084         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10085         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10086
10087 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10088
10089         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10090         ColdFire alternatives.
10091         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10092         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10093         architectures that support ff1 instruction.
10094
10095 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10096             Julian Brown  <julian@codesourcery.com>
10097
10098         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10099         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10100         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10101         Add commentary.
10102
10103 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10104
10105         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10106         and return a bool.
10107         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10108         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10109         HOST_WIDE_INT instead of an rtx.
10110         (m68k_rtx_costs): Update call accordingly.
10111         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10112         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10113         Return a bool.
10114         (output_move_simode_const): Update calls after above changes.
10115         Rework to use automatic variables and predicates like MEM_P.
10116         * config/m68k/m68k.md (pushexthisi_const): Update call to
10117         valid_mov3q_const.
10118
10119 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10120
10121         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10122         in dump_flags test.
10123
10124 2007-01-19  Richard Guenther  <rguenther@suse.de>
10125
10126         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10127         via cexp in case sincos is not available.
10128
10129 2007-01-19  Richard Guenther  <rguenther@suse.de>
10130
10131         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10132         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10133         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10134         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10135         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10136         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10137         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10138         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10139
10140 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10141
10142         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10143         New insn patterns.
10144         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10145         (atan2xf3): Directly generate RTL pattern.
10146         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10147         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10148         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10149         disable patterns for SSE math.
10150         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10151         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10152         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10153         disable patterns for SSE math.
10154
10155 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10156
10157         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10158
10159 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10160
10161         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10162         VIEW_CONVERT_EXPR to the same type as it's operand.
10163
10164 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10165
10166         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10167         configured for long double 128.
10168
10169 2007-01-18  Mike Stump  <mrs@apple.com>
10170
10171         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10172         error.
10173
10174 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10175
10176         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10177         type correct.
10178
10179 2007-01-18  Jan Hubicka  <jh@suse.cz>
10180
10181         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10182         greater than NUM_VOP_FREE_BUCKETS.
10183
10184 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10185
10186         * tree-ssa-structalias.c: Update comments.
10187         (ptabitmap_obstack): Removed.
10188         (pta_obstack): New.
10189         (oldpta_obstack): Ditto.
10190         (stats): Add a few members.
10191         (struct variable_info): Remove node, complex, address_taken, and
10192         indirect_target members. Add oldsolution member.
10193         (new_var_info): Do not initialize removed members.
10194         (constraint_expr_type): Remove INCLUDES.
10195         (constraint_graph): Add size, implicit_preds, rep,
10196         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10197         (FIRST_REF_NODE): New macro.
10198         (LAST_REF_NODE): Ditto.
10199         (FIRST_ADDR_NODE): Ditto.
10200         (find): New function.
10201         (unite): Ditto.
10202         (dump_constraint): Do not handle INCLUDES.
10203         (insert_into_complex): Do not insert duplicate constraints.
10204         (condense_varmap_nodes): Renamed and rewritten into ...
10205         (merge_node_constraints): This. Also fix bug in handling of
10206         offseted copy constraints.
10207         (clear_edges_for_node): No longer need to deal with preds at all,
10208         or removing associated preds/succs.
10209         (merge_graph_nodes): Deal with indirect_cycles.
10210         Don't deal with predecessors.
10211         (add_implicit_graph_edge): New function.
10212         (add_pred_graph_edge): Ditto.
10213         (add_graph_edge): Don't deal with predecessors.
10214         (build_constraint_graph): Removed.
10215         (build_pred_graph): New function.
10216         (build_succ_graph): Ditto.
10217         (struct scc_info): Removed in_component. Added roots, dfs, and
10218         node_mapping. Remove visited_index, unification_queue.
10219         (scc_visit): Deal with union-find we do now.
10220         Deal with cycles with REF nodes.
10221         (collapse_nodes): Renamed and rewritten to ...
10222         (unify_nodes): This.
10223         (process_unification_queue): Removed.
10224         (topo_visit): Cleanup
10225         (do_da_constraint): Use find.
10226         (do_sd_constraint): Ditto.
10227         (do_ds_constraint): Ditto.
10228         (do_complex_constraint): Ditto.
10229         (init_scc_info): Update for removed and added members.
10230         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10231         (find_indirect_cycles): This.
10232         (equivalence_class): New variable.
10233         (label_visit): New function.
10234         (perform_variable_substitution): Rewritten.
10235         (free_var_substitution_info): New function.
10236         (find_equivalent_node): Ditto.
10237         (move_complex_constraints): Ditto.
10238         (eliminate_indirect_cycles): Ditto.
10239         (solve_graph): Only propagate changed bits.
10240         Use indirect cycle elimination.
10241         Use find.
10242         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10243         (tree_id_eq): Renamed to ...
10244         (tree_vi_eq): This. Update for member change
10245         (insert_id_for_tree): Renamed and rewritten to ...
10246         (insert_vi_for_tree): This.
10247         (lookup_id_for_tree): Renamed and rewritten to ...
10248         (lookup_vi_for_tree): This.
10249         (get_id_for_tree): Renamed and rewritten to ...
10250         (get_vi_for_tree): Ditto.
10251         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10252         (process_constraint): Don't handle INCLUDES.
10253         Remove special ADDRESSOF case.
10254         (find_func_aliases): Rewrite to use vi functions instead of id
10255         ones.
10256         (create_function_info_for): Ditto.
10257         (create_variable_info_for): Ditto.
10258         (intra_create_variable_infos): Ditto.
10259         (merge_smts_into): Ditto.
10260         (find_what_p_points_to): Ditto.
10261         (init_base_vars): Ditto.
10262         (init_alias_vars): Ditto.
10263         (remove_preds_and_fake_succs): New function.
10264         (dump_sa_points_to_info): Dump new stats.
10265         (dump_solution_for_var): Use find.
10266         (set_used_smts): Fix formatting.
10267         (compute_points_to_sets): Updated for new functions.
10268         (ipa_pta_execute): Ditto.
10269
10270 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10271             Richard Sandiford  <richard@codesourcery.com>
10272
10273         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10274         parallels.
10275         * calls.c (expand_call): If the return value is a PARALLEL,
10276         extract its first member.
10277         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10278         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10279         use FUNCTION_EXTRA_EPILOGUE.
10280         (m68k_function_value): Return a PARALLEL if the return value
10281         is of a pointer type.
10282         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10283         (FUNCTION_EXTRA_EPILOGUE): Remove.
10284         * config/m68k/m68k.md (D0_REG): New constant.
10285
10286 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10287
10288         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10289         output a NOP for empty epilogues.
10290
10291 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10292
10293         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10294         before function.  Extend register save check to include all
10295         registers, not just integer ones.
10296
10297 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10298
10299         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10300         (m68k_use_return_insn): ...this.
10301         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10302         * config/m68k/m68k.c (use_return_insn): Rename to...
10303         (m68k_use_return_insn): ...this.
10304         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10305         of USE_RETURN_INSN.
10306
10307 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10308
10309         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10310         nearest even, fix denormal rounding overflow.
10311
10312 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10313
10314         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10315         f%$smove and f%$move.
10316         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10317         (extendsfdf2_cf): Use fdmove instead of f%&move.
10318         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10319         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10320
10321 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10322
10323         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10324         GPR<-GPR moves.
10325
10326 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10327
10328         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10329         (coldfire_single_format): Declare.
10330         (coldfire_double_format): Likewise.
10331         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10332         of qnan_msb_set to determine the lower bits of a canonical
10333         NaN significand.
10334         (encode_ieee_double): Likewise.
10335         (encode_ieee_quad): Likewise.
10336         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10337         (mips_single_format): Likewise.
10338         (ieee_double_format): Likewise.
10339         (mips_double_format): Likewise.
10340         (ieee_extended_motorola_format): Likewise.
10341         (ieee_extended_intel_96_format): Likewise.
10342         (ieee_extended_intel_128_format): Likewise.
10343         (ieee_extended_intel_96_round_53_format): Likewise.
10344         (ibm_extended_format): Likewise.
10345         (mips_extended_format): Likewise.
10346         (ieee_quad_format): Likewise.
10347         (mips_quad_format): Likewise.
10348         (vax_f_format): Likewise.
10349         (vax_d_format): Likewise.
10350         (vax_g_format): Likewise.
10351         (i370_single_format): Likewise.
10352         (i370_double_format): Likewise.
10353         (decimal_single_format): Likewise.
10354         (decimal_double_format): Likewise.
10355         (decimal_quad_format): Likewise.
10356         (c4x_single_format): Likewise.
10357         (c4x_extended_format): Likewise.
10358         (real_internal_format): Likewise.
10359         (coldfire_single_format): New real_format.
10360         (coldfire_double_format): Likewise.
10361         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10362         canonical_nan_lsbs_set.
10363         (pdp11_d_format): Likewise.
10364         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10365         if TARGET_COLDFIRE_CPU.
10366
10367 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10368
10369         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10370         (output_call, m68k_legitimize_call_address): Declare.
10371         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10372         parenthesees.  Add support for a 'W' constraint.
10373         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10374         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10375         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10376         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10377         variables.
10378         (override_options): Initialize them.  Do not set flag_no_function_cse
10379         for TARGET_ID_SHARED_LIBRARY.
10380         (m68k_output_pic_call): Delete.
10381         (m68k_legitimize_call_address): New function.
10382         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10383         (output_call): New function.
10384         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10385         target address from the GOT if symbolic jumps are not allowed.
10386         * config/m68k/m68k.md (call, general_operand): Do not set
10387         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10388         Merge separate flag_pic and !flag_pic define_insns into...
10389         (*call, *call_value): ...these new patterns.  Match the address
10390         rather than the containing MEM and require it to be a call_operand.
10391         Use output_call to generate the asm template.
10392         * config/m68k/predicates.md (const_call_operand): New predicate.
10393         (call_operand): Likewise.
10394
10395 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10396
10397         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10398         (STACK_GROWS_DOWNWARD): Define to 1.
10399         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10400         comments, emphasizing that these values are only defaults.
10401         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10402         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10403
10404 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10405
10406         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10407
10408 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10409             Richard Sandiford  <richard@codesourcery.com>
10410
10411         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10412         (FP_REGNO_P): New macros.
10413         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10414         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10415         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10416         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10417
10418 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10419
10420         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10421         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10422         to $tmake_file.
10423         * config/m68k/t-floatlib: New file, extracting common code from...
10424         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10425         * config/m68k/t-uclinux: Here.
10426         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10427         routines on ColdFire targets.
10428
10429 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10430
10431         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10432         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10433         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10434         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10435         explicitly set MOTOROLA to 1.
10436         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10437
10438 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10439             Nathan Sidwell  <nathan@codesourcery.com>
10440
10441         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10442         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10443         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10444         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10445         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10446         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10447         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10448         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10449         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10450         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10451         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10452         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10453         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10454         (DBX_REGISTER_NUMBER): Delete.
10455         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10456         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10457         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10458
10459 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10460
10461         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10462         * config/flat.h: New file.
10463         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10464         OBJECT_FORMAT_FLAT.
10465         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10466         indirect references for -msep-data or -mid-shared-library.
10467         Do not use PC-relative code addresses either.
10468         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10469         to -mpcrel.
10470         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10471         for shared libraries and crt1.o for executables.  Use crti.o and
10472         crtbegin.o.
10473         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10474         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10475         Do not add -elf2flt or -shared-lib-id options here.
10476         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10477         Pass -shared-lib-id if -mid-shared-library, taking the library
10478         identifier from -mshared-library-id if given, otherwise
10479         defaulting to 0.
10480         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10481         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10482         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10483         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10484         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10485         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10486         and crtend.o.
10487         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10488         jump sequence for ISA A and ISA A+.
10489         (PICJUMP): Likewise.
10490
10491 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10492
10493         * config.gcc (m68k-*-uclinux*): Base the port on the common
10494         and m68k GNU/Linux files rather than on the generic ELF ones.
10495         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10496         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10497
10498 2007-01-18  Julian Brown  <julian@codesourcery.com>
10499             Richard Sandiford  <richard@codesourcery.com>
10500
10501         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10502         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10503         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10504         before redefining.
10505         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10506         80 unconditionally.
10507         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10508
10509 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10510
10511         * doc/install.texi: Document m68k-uclinuxoldabi.
10512         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10513         * config/m68k/uclinux-oldabi.h: New file, copied from
10514         config/m68k/uclinux.h.
10515
10516 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10517
10518         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10519         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10520         (m32r_compute_frame_size): Use unsigned for regno.
10521         (m32r_reload_lr): Use gen_frame_mem.
10522         (pop): New.
10523         (m32r_output_function_epilogue): Don't output the function epilogue
10524         textually here.
10525         (m32r_expand_epilogue): New.
10526         (direct_return): Return false if the function has the interrupt
10527         attribute.
10528         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10529         * config/m32r/m32r.md (epilogue): New expander.
10530         (return_lr, return_rte): New insns.
10531         (return): Make it expander.
10532         (return_normal): New expander.
10533
10534 2007-01-18  Josh Conner  <jconner@apple.com>
10535
10536         PR target/30485
10537         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10538         support for UNLE, UNLT, UNGE, and UNGT.
10539
10540 2007-01-18  Jan Hubicka  <jh@suse.cz>
10541
10542         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10543         * tree-tailcall (add_virtual_phis): Likewise.
10544         (optimize_tail_call): Return TODOs.
10545         (execute_tail_calls): Return TODOs.
10546         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10547         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10548         changed.
10549         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10550         Cleanup cfg using TODO.
10551         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10552         * passes.c (execute_function_todo): When cleanup did something, remove
10553         unused locals.
10554         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10555         (make_edges): Don't cleanup_cfg.
10556
10557 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10558
10559         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10560         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10561         operate on the top of stack.
10562         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10563         register handling of instructions that output to the second
10564         stack slot.
10565         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10566         (move_for_stack_reg): Special-case check for dead destination
10567         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10568
10569         * config/i386/i386.md (UNSPEC_TAN): New constant.
10570         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10571         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10572         to correctly model move of constant 1.0 to top stack slot.
10573         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10574         (unnamed peephole2 pattern): Remove corresponding peephole2
10575         pattern that optimizes tan insn and loading of constant 1.0.
10576         (tanxf2): Use fptanxf4_i387.
10577         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10578         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10579         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10580         disable patterns for SSE math.
10581         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10582         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10583
10584 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10585             Richard Guenther <rguenther@suse.de>
10586
10587         PR diagnostic/8268
10588         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10589         * common.opt (Warray-bounds): Add new warning option.
10590         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10591         if -Wall is given.
10592         * Makefile.in: make tree-vrp.o depend on toplev.h
10593         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10594         is enabled.
10595         (check_array_refs, check_array_bounds, check_array_ref): New.
10596
10597 2007-01-18  Jan Hubicka  <jh@suse.cz>
10598
10599         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10600         (execute_ssa_ccp): Return flags conditionally.
10601         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10602         changed.
10603         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10604
10605 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10606
10607         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10608         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10609
10610         * Makefile.c (GTFILES): Add cfglayout.h.
10611         * gengtype.c (open_base_files): Likewise.
10612         * cfglayout.c (cfg_layout_function_footer,
10613         cfg_layout_function_header) Reindent to make gengtype happy.
10614         * cfglayout.h (cfg_layout_function_footer,
10615         cfg_layout_function_header): Add GTY(()) marker.
10616
10617         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10618
10619 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10620
10621         * genautomata.c (write_automata): Include xstrerror output in the
10622         error message if writing the DFA description file fails.
10623
10624 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10625
10626         * config/mips/mips-protos.h (mips_output_external): Make it
10627         return void.
10628         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10629         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10630         (extern_list): Likewise.
10631         (extern_head): Likewise.
10632         (TARGET_ASM_FILE_END): Likewise.
10633         (mips_file_end): Likewise.
10634         (mips_output_external): Rewritten.
10635
10636 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10637
10638         * genpreds.c (write_insn_preds_c): Only write out the function
10639         body for regclass_for_constraint if we have register constraints.
10640
10641 2007-01-17  Tom Tromey  <tromey@redhat.com>
10642
10643         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10644         * doc/install.texi (Testing): Use sourceware.org.
10645         (Binaries): Likewise.
10646         (Specific): Likewise.
10647         * doc/contrib.texi (Contributors): Use sourceware.org.
10648
10649 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10650
10651         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10652         (AVR_ENHANCED): Rename to ...
10653         (AVR_HAVE_MUL): ... new.
10654         (avr_enhanced_p): Rename to ...
10655         (avr_have_mul_p): ... new.
10656         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10657         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10658         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10659         (avr_have_mul_p): ... new.
10660         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10661         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10662         'avr_enhanced_p' and 'enhanced'.
10663         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10664         AVR_HAVE_MUL instead of AVR_ENHANCED.
10665         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10666         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10667         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10668         instead of AVR_ENHANCED.
10669         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10670         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10671         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10672
10673 2007-01-17  Ian Lance Taylor  <iant@google.com>
10674
10675         * vec.h (VEC_reserve_exact): Define.
10676         (vec_gc_p_reserve_exact): Declare.
10677         (vec_gc_o_reserve_exact): Declare.
10678         (vec_heap_p_reserve_exact): Declare.
10679         (vec_heap_o_reserve_exact): Declare.
10680         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10681         versions.
10682         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10683         negative parameter.
10684         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10685         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10686         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10687         * vec.c (calculate_allocation): Add exact parameter.  Change all
10688         callers.
10689         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10690         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10691         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10692         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10693         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10694         (vec_heap_p_reserve_exact): New function.
10695         (vec_heap_o_reserve_exact): New function.
10696
10697 2007-01-17  Jan Hubicka  <jh@suse.cz>
10698
10699         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10700
10701 2007-01-17  Eric Christopher  <echristo@apple.com>
10702
10703         * config.gcc: Support core2 processor.
10704
10705 2007-01-16  Jan Hubicka  <jh@suse.cz>
10706
10707         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10708         the names, just unlink the chain so we don't crash on dangling pointers
10709         to dead SSA names.
10710
10711 2007-01-16  Jan Hubicka  <jh@suse.cz>
10712
10713         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10714         * tree-pass.h: Reorder to make IPA passes appear toegher.
10715         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10716         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10717         parameters, do not call early inliner.
10718         * ipa-inline.c: Update comments.  Include tree-flow.h
10719         (cgraph_decide_inlining): Do not compute inlining parameters.
10720         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10721         be called with function context set up.
10722         (pass_ipa_inline): Remove unreachable functions before pass.
10723         (cgraph_early_inlining): Simplify assuming to be called from the
10724         PM as local pass.
10725         (pass_early_inline): New pass.
10726         (cgraph_gate_ipa_early_inlining): New gate.
10727         (pass_ipa_early_inline): Turn into simple wrapper.
10728         (compute_inline_parameters): New function.
10729         (gate_inline_passes): New gate.
10730         (pass_inline_parameters): New pass.
10731         (apply_inline): Move here from tree-optimize.c
10732         (pass_apply_inline): New pass.
10733         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10734         transforming.
10735         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10736         doing them by hand.
10737         (tree_function_versioning): Do not allocate dummy struct function.
10738         * tree-inline.h (optimize_inline_calls): Update prototype.
10739         * tree-optimize.c (execute_fixup_cfg): Export.
10740         (pass_fixup_cfg): Remove
10741         (tree_rest_of_compilation): Do not apply inlines.
10742         * tree-flow.h (execute_fixup_cfg): Declare.
10743         * Makefile.in (gt-passes.c): New.
10744         * passes.c: Include gt-passes.h
10745         (init_optimization_passes): New passes.
10746         (nnodes, order): New static vars.
10747         (do_per_function_toporder): New function.
10748         (execute_one_pass): Dump current pass here.
10749         (execute_ipa_pass_list): Don't dump current pass here.
10750
10751 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10752
10753         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10754         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10755
10756 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10757
10758         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10759         (strong_alias): Define.
10760         (__gcc_qmul): Provide non-FMA for soft-float.
10761         (__gcc_qdiv): Same.
10762         (__gcc_qneg): New.
10763         (__gcc_qeq): New.
10764         (__gcc_qle): New.
10765         (__gcc_qge): New.
10766         (__gcc_qunord): New.
10767         (__gcc_stoq): New.
10768         (__gcc_dtoq): New.
10769         (__gcc_qtos): New.
10770         (__gcc_qtod): New.
10771         (__gcc_qtoi): New.
10772         (__gcc_qtou): New.
10773         (__gcc_itoq): New.
10774         (__gcc_utoq): New.
10775         (fmsub): New.
10776         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10777         soft-float functions.
10778         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10779         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10780         about long double soft float.
10781
10782 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10783             Tehila Meyzels  <tehila@il.ibm.com>
10784
10785         * tree-vectorizer.h (is_pattern_stmt_p): New.
10786         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10787         formatting (tabs instead of spaces). Cleanup and clarify setting
10788         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10789         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10790         (vectorizable_type_demotion): Check that types are integral.
10791         (vectorizable_type_promotion): Likewise.
10792         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10793         comments.
10794
10795 2007-01-16  Jan Hubicka  <jh@suse.cz>
10796
10797         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10798         cgraph edges too.
10799
10800 2007-01-15  Eric Christopher  <echristo@apple.com>
10801
10802         * ifcvt.c: Include vec.h, vecprim.h.
10803         (check_cond_move_block): New argument regs.
10804         Reorganize. Add registers used to regs.
10805         (cond_move_process_if_block): Use regs set above as
10806         loop bounds.
10807
10808 2007-01-15  Eric Christopher  <echristo@apple.com>
10809
10810         * config/darwin.h: Update copyright.
10811         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10812         (LINK_COMMAND_SPEC): Add -u.
10813         (LINK_SPEC): Fix umbrella for above.
10814
10815 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10816
10817         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10818         glibc CVS.
10819
10820 2007-01-15  Tom Tromey  <tromey@redhat.com>
10821
10822         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10823         * doc/install.texi (Testing): Don't mention jacks.
10824         (Configuration): Document --enable-java-maintainer-mode.  Move
10825         --with-java-home to libgcj-specific section.  Document
10826         --with-ecj-jar.
10827         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10828
10829 2007-01-15  Jan Hubicka  <jh@suse.cz>
10830
10831         * tree-ssa-dce.c (DCE_TODOs): New.
10832         (propagate_necessity): Return if something changed.
10833         (eliminate_unnecessary_stmts): Likewise.
10834         (perform_tree_ssa_dce): Return TODO flags when needed.
10835         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10836
10837 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10838
10839         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10840         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10841         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10842         patterns using X87MODEF12 mode macro.  Extend operand 1
10843         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10844         (log10<mode>2): Ditto.
10845         (log2<mode>2): Ditto.
10846         (log1p<mode>2): Ditto.
10847         (logb<mode>2): Ditto.
10848         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10849         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10850         (*fxtractxf3_i387): Rename from *fxtractxf3.
10851         (fxtract_extend<mode>xf3_i387): New insn pattern.
10852         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10853         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10854         and gen_fyl2xxf3_i387().
10855
10856 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10857
10858         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10859         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10860         get_loop_exit_edges.  Changed return type to bool.
10861         * cfgloop.h (fix_loop_placement): Declaration removed.
10862
10863 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10864
10865         * param.h (MIN_VECT_LOOP_BOUND): New.
10866         * params.def (MIN_VECT_LOOP_BOUND): New.
10867         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10868         argument - minimum threshold for number of iterations.
10869         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10870         argument to declaration.
10871         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10872         MIN_VECT_LOOP_BOUND.
10873         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10874         slpeel_tree_peel_loop_to_edge with additional argument.
10875         (vect_do_peeling_for_alignment): Likewise.
10876         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10877
10878 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10879
10880         PR target/30413
10881         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10882         operands of size 1.
10883
10884 2007-01-14  Jan Hubicka  <jh@suse.cz>
10885
10886         * tree-dfa.c (remove_referenced_var): New function.
10887         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10888         prune referenced vars list too.
10889         * tree-flow.h (remove_referenced_var): Declare.
10890
10891 2007-01-14  Jan Hubicka  <jh@suse.cz>
10892
10893         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10894         separately.
10895         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10896         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10897         * except.h (verify_eh_throw_table_statements): Kill prototype.
10898         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10899         into call exrepssions.
10900         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10901         eh trhow verifier.
10902         * tree-cfg.c: Include pointer-set.h.
10903         (verify_node_sharing): Work on pointer set.
10904         (verify_eh_throw_stmt_node): New.
10905         (verify_stmts): Use pointers sets, verify throw_stmt.
10906
10907 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10908
10909         * ipa-reference.c (analyze_function): Consider also addresses taken
10910         in phi nodes.
10911
10912 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10913
10914         * c-typeck.c (null_pointer_constant_p): Replace use of
10915         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10916         (build_c_cast): Likewise.
10917
10918 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10919
10920         * tree.h (force_fit_type_double): Remove unused final argument.
10921         * c-common.c (constant_expression_warning): Replace use of
10922         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10923         (convert_and_check): Likewise.
10924         (shorten_compare): Update call to force_fit_type_double.
10925         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10926         * convert.c (convert_to_pointer): Update call to
10927         force_fit_type_double.
10928         * fold-const.c (force_fit_type_double): Remove overflowed_const
10929         argument.
10930         (int_const_binop, fold_convert_const_int_from_int,
10931         fold_convert_const_int_from_real, fold_div_compare,
10932         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10933         fold_abs_const, fold_not_const): Remove the final argument from
10934         calls to force_fit_type_double.
10935
10936 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10937
10938         * configure.ac: Set insn to "nop" for spu-*-* also.
10939         * configure: Regenerate.
10940
10941 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10942
10943         * builtins.def : Add BUILT_IN_FREE.
10944
10945 2007-01-12  Jan Hubicka  <jh@suse.cz>
10946
10947         PR tree-optimization/30443
10948         * tree-inline.c (tree_function_versioning): Do not optimize when
10949         cloning for inlining.
10950
10951 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10952
10953         * doc/loop.texi: Document recording of loop exits.
10954         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10955         (update_single_exits_after_duplication,
10956         update_single_exit_for_duplicated_loop,
10957         update_single_exit_for_duplicated_loops): Removed.
10958         (duplicate_loop_to_header_edge): Do not call
10959         update_single_exits_after_duplication and
10960         update_single_exit_for_duplicated_loops.
10961         (loop_version): Do not update single_exit information.
10962         (fix_loop_structure): Use record_loop_exits instead of
10963         mark_single_exit_loops.
10964         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10965         the lists of loop exits.
10966         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10967         split_edge, merge_blocks): Update the lists of loop exits.
10968         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10969         loop_optimizer_init.
10970         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10971         of mark_single_exit_loops.
10972         (loop_optimizer_finalize): Call release_recorded_exits.
10973         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10974         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10975         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10976         update single exit information.
10977         * lambda-code.c (perfect_nestify): Ditto.
10978         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10979         (mark_single_exit_loops): Removed.
10980         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10981         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10982         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10983         functions.
10984         (get_loop_exit_edges, single_exit): Use recorded exit lists.
10985         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10986         (verify_loop_structure): Verify consistency of the exit lists.
10987         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
10988         (set_single_exit): Removed.
10989         * cfgloop.h (struct loop_exit): New function.
10990         (struct loop): single_exit_ field replaced by exits field.
10991         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10992         (struct loops): Added exits hash.
10993         (mark_single_exit_loops, set_single_exit): Declaration removed.
10994         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10995
10996 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10997
10998         * doc/invoke.texi: Avoid use of @headitem.
10999
11000 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11001
11002         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11003
11004 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11005
11006         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11007         list of targets.
11008
11009 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11010             Richard Sandiford  <richard@codesourcery.com>
11011
11012         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11013         * config/m68k/m68k.opt: Resort options.
11014         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11015
11016 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11017             Richard Sandiford  <richard@codesourcery.com>
11018
11019         * doc/invoke.texi: Document the macros that are defined by
11020         m68k's -mtune and -mhard-float options.
11021         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11022         (m68k_cpp_cpu_family): Likewise.
11023         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11024         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11025         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11026         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11027         (m68k_cpp_cpu_family): Likewise.
11028
11029 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11030
11031         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11032         macros besides mc68000 as tuning macros.  Use a switch statement
11033         to set them and mcpu32.
11034
11035 2007-01-12  Julian Brown  <julian@codesourcery.com>
11036
11037         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11038         (TARGET_68040_ONLY): Rename to...
11039         (TARGET_68040): ...this.
11040         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11041         * config/m68k/m68k.md: Likewise.
11042
11043 2007-01-12  Julian Brown  <julian@codesourcery.com>
11044             Nathan Sidwell  <nathan@codesourcery.com>
11045             Richard Sandiford  <richard@codesourcery.com>
11046
11047         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11048         the -mcpu= argument associated with the --with-cpu setting.
11049         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11050         if different from the one implied by the -mcpu setting.
11051         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11052         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11053         * doc/invoke.texi: Mention ColdFire in the introduction to the
11054         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11055         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11056         -mhard-float.  Document the previously-undocumented -m5206e,
11057         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11058         documentation for consistency.
11059         * doc/install.texi: Mention new --with-cpu arguments.
11060         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11061         default CPU if neither -mcpu nor -march are specified.
11062         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11063         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11064         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11065         using m68k_tune to decide between families that implement the
11066         same ISA.  Use m68k_tune to set __mcfv4e__.
11067         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11068         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11069         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11070         (FL_ISA_C, FL_ISA_MMU): New macros.
11071         (MASK_COLDFIRE): Delete.
11072         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11073         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11074         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11075         (TARGET_HARD_FLOAT): Do not define here.
11076         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11077         (TUNE_68000): New macro.
11078         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11079         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11080         (TUNE_CFV2): Redefine in terms of m68k_tune.
11081         (uarch_type, target_device, fpu_type): New enums.
11082         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11083         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11084         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11085         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11086         (FL_FOR_isa_c): New macros.
11087         (m68k_isa): New enum.
11088         (m68k_target_selection): New structure.
11089         (all_devices, all_isas, all_microarchs): New tables.
11090         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11091         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11092         (MASK_ALL_CPU_BITS): Delete.
11093         (m68k_find_selection): New function.
11094         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11095         Map the legacy target options to a combination of the new ones.
11096         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11097         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11098         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11099         settings.
11100         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11101         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11102         properties.
11103         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11104         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11105         * config/m68k/m68k-devices.def: New file.
11106
11107 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11108             Nathan Sidwell  <nathan@codesourcery.com>
11109
11110         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11111         (SUBTARGET_EXTRA_SPECS): New macros.
11112         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11113         use %(asm_cpu_spec) instead.
11114         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11115         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11116         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11117         (EXTRA_SPECS): Rename to...
11118         (SUBTARGET_EXTRA_SPECS): ...this.
11119
11120 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11121             Richard Sandiford  <richard@codesourcery.com>
11122             Julian Brown  <julian@codesourcery.com>
11123
11124         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11125         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11126         to the configuration's default CPU.
11127         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11128         Remove default masks.
11129         (m680[012]0-*-*): Set the default with_cpu to the first part of
11130         the target name.
11131         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11132         (m68k*-*-linux): Extend the --with-cpu handling to...
11133         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11134         and m68010.  Don't set target_cpu_default2.
11135         * doc/install.texi: Document --with-cpu for m68k.
11136         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11137         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11138         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11139         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11140         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11141         (ASM_SPEC): Remove use of %(asm_cpu_default).
11142         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11143         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11144         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11145         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11146         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11147         (TARGET_DEFAULT): Delete.
11148         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11149         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11150         (CPP_CPU_SPEC): Delete.
11151         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11152         the appropriate string.
11153         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11154         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11155         (ASM_SPEC): Don't use %(asm_default_spec).
11156         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11157         TARGET_DEFAULT and add MASK_68881.
11158         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11159
11160 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11161
11162         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11163         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11164         MASK_68010 alongside MASK_68020.
11165         * doc/invoke.texi: Document -m68010.
11166         * config/m68k/m68k.opt (m68010): New.
11167         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11168         if TUNE_68010.
11169         (TUNE_68010): New macro.
11170         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11171         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11172         (M68K_CPU_m68332): Add MASK_68010.
11173         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11174         fallback definition.
11175         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11176         defines.
11177         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11178         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11179         to all entries that use MASK_68020.
11180         (output_move_simode_const, output_move_himode, output_move_qimode)
11181         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11182         instead of TARGET_68020 to select clr behavior.  Remove comment
11183         about there being no TARGET_68010.
11184         * config/m68k/m68k.md: Likewise throughout.
11185
11186 2007-01-12  Julian Brown  <julian@codesourcery.com>
11187
11188         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11189         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11190         * config/m68k/m68k.md: Likewise.
11191
11192 2007-01-12  Julian Brown  <julian@codesourcery.com>
11193
11194         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11195         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11196
11197 2007-01-12  Julian Brown  <julian@codesourcery.com>
11198
11199         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11200         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11201         * config/m68k/m68k.md: Likewise.
11202
11203 2007-01-12  Julian Brown  <julian@codesourcery.com>
11204             Richard Sandiford  <richard@codesourcery.com>
11205
11206         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11207         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11208         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11209         TARGET_CPU32.
11210         (TARGET_CPU32): Rename to...
11211         (TUNE_CPU32): ...this.
11212         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11213         (TUNE_CFV2): New macros.
11214         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11215         remove conditions that are implied by TARGET_68020.
11216         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11217         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11218         (m68k_output_function_epilogue): Likewise.
11219         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11220         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11221         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11222         non-68000 timings.  Refactor multiplication and division costs.
11223         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11224         TUNE_CPU32 instead of TARGET_CPU32.
11225         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11226         and TUNE_68060 instead of TARGET_68060.
11227         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11228         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11229         TARGET_CPU32.
11230         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11231         && !TARGET_COLDFIRE" to choose between moveq and clr.
11232         Likewise in the unnamed movsf pattern.
11233         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11234         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11235         ashiftrt pattern.
11236
11237 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11238
11239         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11240         of tabbing before backslashes.
11241
11242 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11243
11244         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11245         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11246         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11247
11248 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11249
11250         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11251         find_interesting_uses_cond.
11252         (find_interesting_uses_cond): Use extract_cond_operands.
11253         (rewrite_use_compare): Use extract_cond_operands and
11254         force_gimple_operand_bsi.  Do not call update_stmt.
11255         (determine_use_iv_cost_condition): Use extract_cond_operands.
11256         Return cheaper of using original bound and changing the exit bound.
11257
11258 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11259
11260         PR tree-optimization/29516
11261         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11262         most_expensive_mult_to_index, addr_to_parts,
11263         create_mem_ref, maybe_fold_tmr): Make the type of
11264         fields of TARGET_MEM_REF sizetype.
11265         (move_fixed_address_to_symbol, move_pointer_to_base):
11266         New functions.
11267         * tree.def (TARGET_MEM_REF): Add comment on types of
11268         the operands.
11269
11270 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11271
11272         * c-common.c (vector_types_convertible_p): Treat opaque types as
11273         always convertible if they have the same size, but not otherwise.
11274
11275 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11276
11277         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11278         Remove the b_unconditional field.
11279         (noce_try_sign_mask): Do not look at b_unconditional.
11280         (noce_process_if_block): Do not use merge_if_blocks.  Update
11281         the CFG here.  Do not set b_unconditional.
11282         (cond_move_process_if_block): Likewise.
11283         (find_cond_trap): Likewise.
11284         (check_cond_move_block): Require simple jump insns at the end
11285         of the basic block.
11286
11287 2007-01-11  Jan Hubicka  <jh@suse.cz>
11288
11289         PR tree-optimization/1046
11290         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11291         when alias info is not ready.
11292         (pass_tail_recursion): Do not require aliasing.
11293         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11294         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11295         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11296         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11297         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11298         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11299         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11300         before inlining.
11301         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11302         When aliasing is not build, mark statement as volatile.
11303
11304 2007-01-11  Tom Tromey  <tromey@redhat.com>
11305
11306         PR preprocessor/15185, PR preprocessor/20989:
11307         * doc/cppopts.texi <-MT>: Update description of algorithm for
11308         computing default target.
11309         <-M, -MD>: Reword "basename" text.
11310
11311 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11312
11313         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11314         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11315         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11316         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11317         fold_builtin_bswap, real_constp, fold_builtin_pow,
11318         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11319         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11320         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11321         * convert.c (convert_to_pointer): Likewise.
11322         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11323         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11324         const_binop, fold_convert_const_int_from_int,
11325         fold_convert_const_int_from_real,
11326         fold_convert_const_real_from_real, sign_bit_p,
11327         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11328         fold_sign_changed_comparison, fold_unary, fold_comparison,
11329         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11330         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11331         * print-tree.c (print_node_brief, print_node): Likewise.
11332         * stor-layout.c (place_field, layout_type): Likewise.
11333         * tree-chrec.c (keep_cast): Likewise.
11334         * tree.c (build_vector, build_real, build_real_from_int_cst,
11335         build_complex): Likewise.
11336
11337 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11338
11339         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11340         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11341
11342 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11343
11344         * configure.ac (strict1_warn): Rename to strict_warn.
11345         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11346         cc_set_by_configure, quoted_cc_set_by_configure,
11347         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11348         all_boot_languages, all_stagestuff): Remove.
11349         (target_list): Remove bootstrap targets.
11350         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11351         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11352         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11353         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11354         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11355         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11356         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11357         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11358         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11359         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11360         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11361         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11362         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11363         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11364         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11365         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11366         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11367         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11368         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11369         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11370         (mostlyclean): Adjust.
11371         (clean, distclean): Don't mention bootstrap stuff.
11372         * configure: Regenerate.
11373         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11374         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11375         treelang/config-lang.in (stagestuff): Remove.
11376         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11377         stageprofile, stagefeedback, stagestuff): Remove mention.
11378
11379 2007-01-11  Nick Clifton  <nickc@redhat.com>
11380
11381         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11382         Accept CONSTs.
11383         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11384         (mcore_arith_K_S_operand): Run the test for the S constraint not
11385         the test for the M constraint.
11386         (mcore_addsub_operand): Do not accept integer values that are
11387         larger than 32 bits.
11388         * config/mcore/mcore.md: Remove unused constraints from split.
11389         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11390         (addsi3): Likewise.
11391         (allocate_stack): Likewise.
11392         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11393         operands to 32 bits.
11394         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11395         INTVAL.
11396         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11397         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11398         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11399         mcore_output_bclri, mcore_output_andn, output_inline_const,
11400         mcore_output_move, mcore_output_movedouble): Likewise.
11401         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11402         (output_inline_const): Likewise.
11403         (output_inline_const): Fix format strings used in sprintf
11404         statements.
11405         * config/mcore/mcore-protos.h: Update prototypes for changed
11406         functions in mcore.c.
11407         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11408         HOST_WIDE_INT and not int.
11409         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11410         CONST_OK_FOR_N): Likewise.
11411         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11412         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11413         an INTVAL.
11414
11415 2007-01-10  Jan Hubicka  <jh@suse.cz>
11416
11417         * tree-vrp.c (remove_range_assertions): Release defs.
11418         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11419         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11420
11421 2007-01-10  Paul Brook  <paul@codesourcery.com>
11422
11423         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11424         * config/arm/arm.md (mulsi3subsi): New insn.
11425
11426 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11427
11428         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11429         (tree_transform_and_unroll_loop): New.
11430         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11431         Declare.
11432
11433 2007-01-10  Robert Kennedy <jimbob@google.com>
11434
11435         * fold-const.c (fold_comparison): Fold comparisons like (x *
11436         1000 < 0) to (x < 0).
11437
11438 2007-01-10  Ian Lance Taylor  <iant@google.com>
11439
11440         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11441         operands have the same priority.
11442
11443 2007-01-10  Tom Tromey  <tromey@redhat.com>
11444
11445         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11446         (fold_binary): Likewise.
11447         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11448         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11449         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11450         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11451         * langhooks.h (struct lang_hooks): Removed field
11452         'can_use_bit_fields_p'.
11453
11454 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11455
11456         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11457
11458 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11459
11460         * function.c (get_last_funcdef_no): New function.
11461         * function.h (get_last_funcdef_no): Declare.
11462         * tree-inline.c (initialize_cfun): Add initialization.
11463         (tree_function_versioning): Cleanup.
11464
11465 2007-01-10  Jan Hubicka  <jh@suse.cz>
11466
11467         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11468         PHIs.
11469
11470 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11471             Ben Elliston  <bje@au.ibm.com>
11472
11473         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11474         for SAVE_NONLOCAL and Pmode for any other save level.
11475         * spu-protos.h (spu_restore_stack_block): Declare.
11476         * spu.md (save_stack_block): Remove.
11477         (restore_stack_block): Call spu_restore_stack_block.
11478         * spu.c (spu_restore_stack_block): New function.
11479         (spu_expand_epilogue): Remove old comment.
11480
11481 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11482
11483         PR tree-optimization/30322
11484         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11485         (cand_value_at): Return the value as aff_tree.
11486         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11487         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11488         aff_combination_mult): New functions.
11489         (aff_combination_add): Use aff_combination_add_cst.
11490         (aff_combination_convert): Allow conversions to a wider type.
11491         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11492         * tree-affine.h (aff_combination_mult): Declare.
11493
11494 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11495
11496         * doc/tm.texi: Update documentation to reflect reality of exec
11497         and start file search behaviours. Update copyright year.
11498         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11499         header file directories.
11500
11501 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11502
11503         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11504         (*cosxf2): Rename to cosxf2_i387.
11505         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11506         using X87MODEF12 mode macro. Rename patterns to
11507         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11508         for SSE math.
11509         (*cosdf2, *cossf2): Ditto.
11510         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11511         to match extended input operands.
11512         (sincos<mode>3): New expander.
11513         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11514         insn patterns and corresponding splitters.
11515
11516 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11517
11518         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11519         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11520
11521 2007-01-09  Nicolas Pitre  <nico@cam.org>
11522
11523         PR target/30173
11524         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11525
11526 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11527
11528         * target.h (struct gcc_target): New field library_rtti_comdat.
11529         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11530         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11531         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11532         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11533
11534 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11535
11536         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11537
11538 2007-01-08  Richard Guenther  <rguenther@suse.de>
11539
11540         * tree.h (force_fit_type_double): Export.
11541         (force_fit_type): Remove.
11542         * fold-const.c (force_fit_type_double): New function.
11543         (force_fit_type): Remove.
11544         (int_const_binop): Use it.
11545         (fold_convert_const_int_from_int): Likewise.
11546         (fold_convert_const_int_from_real): Likewise.
11547         (fold_div_compare): Likewise.
11548         (fold_sign_changed_comparison): Likewise.
11549         (fold_unary): Likewise.
11550         (fold_negate_const): Likewise.
11551         (fold_abs_const): Likewise.
11552         (fold_not_const): Likewise.
11553         * c-common.c (shorten_compare): Use force_fit_type_double.
11554         * convert.c (convert_to_pointer): Likewise.
11555
11556 2007-01-08  Richard Guenther  <rguenther@suse.de>
11557
11558         * tree.h (build_int_cst_wide_type): Export.
11559         * tree.c (build_int_cst_wide_type): New function.
11560         (build_int_cst_wide): Fix comment.
11561         * builtins.c (fold_builtin_object_size): Use build_int_cst
11562         to build -1 or 0 of the correct type.  Use fit_double_type
11563         to check for overflow.
11564         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11565         to build the mask.
11566         (decode_field_reference): Likewise.
11567         (all_ones_mask_p): Likewise.
11568         (native_interpret_int): Use build_int_cst_wide_type.
11569         (fold_binary): Use build_int_cst_type to build an all-ones
11570         value.
11571         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11572
11573 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11574
11575         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11576
11577 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11578
11579         * genautomata.c (STATS_OPTION): New option.
11580         (stats_flag): New flag.
11581         (gen_automata_option): Handle it.
11582         (initiate_automaton_gen): Ditto.
11583         (write_automata): Output statistics only if stats_flag is
11584         set. Likewise, output time statistics only if time_flag is set.
11585         * doc/md.texi (Processor pipeline description): Document new flag.
11586
11587 2007-01-08  Richard Guenther  <rguenther@suse.de>
11588
11589         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11590         * tree.c (build_int_cst_type): Likewise.
11591         (size_in_bytes): Don't call force_fit_type on the result.
11592         (int_fits_type_p): Use fit_double_type.
11593         * fold-const.c (fit_double_type): New function.
11594         (force_fit_type): Use it.
11595         * tree.h (fit_double_type): Export.
11596
11597 2007-01-08  Jan Hubicka  <jh@suse.cz>
11598
11599         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11600         * ipa.c (function_and_variable_visibility): Fix return type.
11601
11602 2007-01-08  Richard Guenther  <rguenther@suse.de>
11603
11604         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11605         of offset to build the index.
11606         * tree-pretty-print.c (dump_generic_node): Don't build negated
11607         const just for printing.
11608         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11609         * builtins.c (fold_builtin_int_roundingfn): Check if result
11610         fits the type by using force_fit_type and comparing the result.
11611         * predict.c (predict_loops): Use compare_tree_int for comparison.
11612         * tree.c (build_int_cst): Fall back to integer_type_node for
11613         NULL_TREE type.
11614         (build_int_cst_wide): Assert type is non-null.
11615
11616 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11617
11618         * tree-vrp.c (extract_range_from_cond_expr): New.
11619         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11620         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11621         as expressions.
11622         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11623         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11624         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11625         used as expressions.
11626         * tree-object-size.c (cond_expr_object_size): New.
11627         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11628
11629 2007-01-08  Jan Hubicka  <jh@suse.cz>
11630
11631         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11632         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11633         statement.
11634
11635 2007-01-08  Richard Guenther  <rguenther@suse.de>
11636
11637         PR tree-optimization/23603
11638         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11639         (extract_range_from_binary): Fall back to truthvalue instead of
11640         varying for TRUTH_*_EXPR.
11641         (extract_range_from_comparison): Fall back to truthvalue instead of
11642         varying.
11643         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11644         if all visited PHI values were constant.
11645
11646 2007-01-08  Jan Hubicka  <jh@suse.cz>
11647
11648         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11649         (cgraph_analyze_function): break out from ...
11650         (cgraph_finalize_compilation_unit): ... here.
11651         (cgraph_expand_function): Remove forgoten commented out line.
11652         (cgraph_optimize): Analyze functions.
11653
11654 2007-01-08  Jan Hubicka  <jh@suse.cz>
11655
11656         * tree-pas.h (TODO_remove_function): New flag.
11657         (TODO_update*): Renumber.
11658         (pass_ipa_increase_alignment,
11659         pass_ipa_function_and_variable_visibility): New passes.
11660         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11661         (cgraph_function_and_variable_visibility): Move to ipa.c
11662         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11663         cgraph_increase_alignment.
11664         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11665         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11666         calling tree-inline.
11667         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11668         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11669         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11670         (gate_increase_alignment): New function.
11671         (pass_ipa_increase_alignment): New pass.
11672         * ipa.c: Inline tree-pass.h and timevar.h
11673         (function_and_variable_visibility): Move here from cgraphunit.c
11674         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11675         * passes.c (init_optimization_passes): Add the two new passes.
11676         (execute_todo): Handle cgraph_remove_functions.
11677
11678 2007-01-08  Nick Clifton  <nickc@redhat.com>
11679
11680         * config/frv/predicates.md (reg_or_0_operand): Accept
11681         CONST_DOUBLEs.
11682
11683 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11684
11685         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11686         * config.gcc: Add bfin*-rtems*.
11687
11688 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11689
11690         * c.opt: Add -flax-vector-conversions.
11691         * c-typeck.c (convert_for_assignment): Pass flag to
11692         vector_types_convertible_p to allow emission of note.
11693         (digest_init): Likewise.
11694         * c-opts.c: Handle -flax-vector-conversions.
11695         * c-common.c (flag_lax_vector_conversions): New.
11696         (vector_types_convertible_p): Unless -flax-vector conversions
11697         has been passed, disallow conversions between vectors with
11698         differing numbers of subparts and/or element types.  If such
11699         a conversion is disallowed, possibly emit a note on the first
11700         occasion only to inform the user of -flax-vector-conversions.
11701         The new last argument specifies this.
11702         * c-common.h (flag_lax_vector_conversions): New.
11703         (vector_types_convertible_p): Add extra argument.
11704         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11705         char_type_node for V*QI type vectors.
11706         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11707         Update to satisfy new typechecking rules.
11708         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11709         C and C++ variants.
11710         * doc/invoke.texi (C Dialect Options): Document
11711         -flax-vector-conversions.
11712
11713 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11714
11715         PR tree-optimization/29877
11716         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11717         a register variable on the RHS to not be replaceable.
11718
11719 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11720         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11721         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11722         const_simm15, const_pow2, const_npow2): Added.
11723         * config/score/misc.md (insv, extv, extzv, movmemsi,
11724         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11725         * config/score/score.c (score_address_cost, score_select_cc_mode):
11726         Added.
11727         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11728         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11729         Update score_print_operand.
11730         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11731         Adjust register allocate order and update some macro define.
11732         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11733         mdx_block_move_straight, mdx_block_move_loop_head,
11734         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11735         mdx_block_move): Added.
11736         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11737         mdp_limm): Updated and fix some bug and typo.
11738         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11739         (movsf, movdf, doloop_end): Added.
11740
11741 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11742
11743         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11744         config/arm/thumb2.md: Fix comment typos.
11745         * doc/extend.texi: Fix a typo.
11746
11747 2007-01-07  Eric Christopher  <echristo@apple.com>
11748
11749         * configure.ac: Check for __stack_chk_fail for darwin.
11750         * configure: Regenerate.
11751
11752 2007-01-07  Richard Guenther  <rguenther@suse.de>
11753
11754         * tree-vrp.c (extract_range_from_assert): CSE calls to
11755         compare_values where possible.
11756         (extract_range_from_unary_expr): Likewise.
11757
11758 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11759
11760         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11761         * config/avr/avr.c (call_insn_operand): Delete function.
11762         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11763         instead of register number. Use predicates.
11764         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11765         call_insn_operand): Add.
11766
11767 2007-01-06  Jan Hubicka  <jh@suse.cz>
11768
11769         * tree-pass.h (pass_build_cgraph_edges): Declare.
11770         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11771         (visited_nodes): Remove.
11772         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11773         build_cgrpah_edges; make visited_nodes local.
11774         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11775         (record_references_in_initializer): Move to cgraphbuild.c
11776         (initialize_inline_failed, rebuild_cgraph_edges,
11777         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11778         (verify_cgraph_node): Make visited_nodes local.
11779         (cgraph_analyze_function): Do not call cgraph_create_edges and
11780         initialize_inline_failed.
11781         (cgraph_expand_function): Do not call cgraph_lower_function;
11782         assert that function is already lowered.
11783         * Makefile.in (cgraphbuild.o): New.
11784         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11785         at the end of lowering passes.
11786
11787 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11788
11789         * ifcvt.c (cond_move_convert_if_block): New function, code
11790         factored out from...
11791         (cond_move_process_if_block): ...here.  Call the new function
11792         on the THEN and ELSE blocks.
11793         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11794         already takes care of this.
11795
11796 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11797
11798         PR c/19978
11799         * tree.h (TREE_OVERFLOW_P): New.
11800         * c-typeck.c (parser_build_unary_op): Warn only if result
11801         overflowed and operands did not.
11802         (parser_build_binary_op): Likewise.
11803         (convert_for_assignment): Remove redundant overflow_warning.
11804         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11805
11806 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11807
11808         * c-typeck.c (store_init_value): Split over two lines to follow
11809         the GNU coding style.
11810
11811 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11812
11813         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11814         __GXX_EXPERIMENTAL_CXX0X__.
11815         * doc/cpp.texi: Same.
11816
11817 2007-01-05  Richard Guenther  <rguenther@suse.de>
11818
11819         PR middle-end/27826
11820         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11821         with mismatched types.  Instead explicitly build a
11822         conversion NOP_EXPR.
11823
11824 2007-01-05  Ian Lance Taylor  <iant@google.com>
11825
11826         * c-common.c (decl_with_nonnull_addr_p): New function.
11827         (c_common_truthvalue_conversion): Call it.
11828         * c-typeck.c (build_binary_op): Likewise.
11829         * c-common.h (decl_with_nonnull_addr_p): Declare.
11830
11831 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11832
11833         PR c/30360
11834         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11835         denom against 0.0.
11836
11837 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11838
11839         * doc/install.texi (Final install): Document the fact that
11840         the GNAT runtime should not be stripped.
11841
11842 2007-01-04  Jan Hubicka  <jh@suse.cz>
11843
11844         * tree-inline.c (fold_marked_statements): Update operand caches
11845         and EH after folding
11846
11847 2007-01-04  Ian Lance Taylor  <iant@google.com>
11848
11849         * c-common.c (check_function_nonnull): Whitespace fix.
11850
11851 2007-01-04  Jan Hubicka  <jh@suse.cz>
11852
11853         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11854         comitted older version of patch.
11855         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11856         function, celanup cfg and collect garbage.
11857
11858 2007-01-04  Mike Stump  <mrs@apple.com>
11859
11860         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11861         (clean): Likewise.
11862
11863 2007-01-04  Eric Christopher  <echristo@apple.com>
11864
11865         * libgcc2.c (__bswapsi2): Use SItype.
11866         (__bswapdi2): Use DItype.
11867         * libgcc2.h: Update for above.
11868
11869 2007-01-04  Paul Brook  <paul@codesourcery.com>
11870
11871         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11872         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11873         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11874         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11875         umulsi3_highpart): Make conditional on !arm_arch6.
11876         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11877         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11878         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11879         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11880         umulsi3_highpart_v6): New insns.
11881
11882 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11883
11884         * fold-const.c (fold_convert): When casting an expression to void,
11885         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11886         have a type.  Instead of attempting to build a NOP_EXPR, return
11887         these "special" trees directly.
11888
11889 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11890
11891         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11892         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11893         rs6000_cost->fp not 0 as adjustment for outer NEG.
11894
11895 2007-01-04  Jan Hubicka  <jh@suse.cz>
11896
11897         * cgraph.c (cgraph_release_function_body): New function.
11898         (cgraph_remove_node): Use it.
11899         * cgraph.h (cgraph_release_function_body): Declare.
11900         * cgraphunit.c (cgraph_expand_function): Use it.
11901         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11902         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11903         is initialized and while compilation of other function is running.
11904         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11905         statement CFG annotations from here to ...
11906         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11907
11908 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11909
11910         * cfgloop.h (enum li_flags): Make the constants powers of two.
11911
11912 2007-01-04  Jan Hubicka  <jh@suse.cz>
11913
11914         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11915         set.
11916         (fold_marked_statements): New function.
11917         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11918         * tree-inline.h (copy_body_data): Add statements_to_fold.
11919
11920 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11921
11922         * config.gcc: Mention libgcc/config.host.
11923         * Makefile.in: Update comments mentioning libgcc.
11924         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11925         (all.cross, start.encap, rest.encap, rest.cross): Update
11926         dependencies for libgcc move.
11927         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11928         (clean-target, clean-target-libgcc): Delete.
11929         (srcdirify, GCC_EXTRA_PARTS): New macros.
11930         (libgcc-support, libgcc.mvars): New rules.
11931         (distclean): Remove mention of mklibgcc.
11932         (install): Don't reference INSTALL_LIBGCC.
11933         (install-common): Don't reference EXTRA_PARTS.
11934         (install-libgcc, install-multilib): Delete rules.
11935         * mklibgcc.in: Delete file.
11936         * doc/configfiles.texi: Don't mention mklibgcc.
11937
11938         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11939         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11940         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11941         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11942         (mklibgcc, ldblspecs): Likewise.
11943
11944         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11945         (posixpre.def): Use $(T).
11946         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11947         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11948         (SHLIB_LINK): Make dummy.
11949         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11950
11951         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11952
11953         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11954         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11955         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11956         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11957
11958         * configure.ac (all_outputs): Remove mklibgcc.
11959         * configure: Regenerated.
11960
11961 2007-01-03  Josh Conner  <jconner@apple.com>
11962
11963         PR middle-end/29683
11964         * calls.c (compute_argument_addresses): Set stack and stack_slot
11965         for partial args, too.
11966         (store_one_arg): Use locate.size.constant for the size when
11967         generating a save_area.
11968
11969 2007-01-03  Robert Kennedy <jimbob@google.com>
11970
11971         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11972         whose definitions are deleted due to basic block merging.
11973
11974 2007-01-03  Paul Brook  <paul@codesourcery.com>
11975
11976         PR target/16634
11977         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11978         functions.
11979         (use_return_insn): Return 0 for Thumb interrupt functions.
11980         (print_multi_reg): Add rfe argument for IRQ returns.
11981         (arm_output_epilogue): Pop interrupt return address directly into PC.
11982         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11983
11984 2007-01-03  Paul Brook  <paul@codesourcery.com>
11985
11986         Merge from sourcerygxx-4_1.
11987         * config/arm/thumb2.md: New file.
11988         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11989         Thumb-2.
11990         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11991         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11992         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11993         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11994         tables.
11995         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11996         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11997         comptibility.
11998         * config/arm/ieee754-sf.S: Ditto.
11999         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12000         (thumb1_base_register_rtx_p): ... to this.
12001         (thumb_index_register_rtx_p): Rename...
12002         (thumb1_index_register_rtx_p): ... to this.
12003         (thumb_output_function_prologue): Rename...
12004         (thumb1_output_function_prologue): ... to this.
12005         (thumb_legitimate_address_p): Rename...
12006         (thumb1_legitimate_address_p): ... to this.
12007         (thumb_rtx_costs): Rename...
12008         (thumb1_rtx_costs): ... to this.
12009         (thumb_compute_save_reg_mask): Rename...
12010         (thumb1_compute_save_reg_mask): ... to this.
12011         (thumb_final_prescan_insn): Rename...
12012         (thumb1_final_prescan_insn): ... to this.
12013         (thumb_expand_epilogue): Rename...
12014         (thumb1_expand_epilogue): ... to this.
12015         (arm_unwind_emit_stm): Rename...
12016         (arm_unwind_emit_sequence): ... to this.
12017         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12018         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12019         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12020         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12021         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12022         thumb2_output_casesi): New functions.
12023         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12024         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12025         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12026         THUMB2_WORK_REGS): Define.
12027         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12028         arm_condexec_mask, arm_condexec_masklen)): New variables.
12029         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12030         (arm_override_options): Check new CPU capabilities.
12031         Set new architecture flag variables.
12032         (arm_isr_value): Handle v7m interrupt functions.
12033         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12034         Thumb-2.
12035         (const_ok_for_arm): Handle Thumb-2 constants.
12036         (arm_gen_constant): Ditto.  Use movw when available.
12037         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12038         functions.
12039         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12040         (thumb_find_work_register, arm_load_pic_register,
12041         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12042         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12043         print_multi_reg, output_mov_long_double_fpa_from_arm,
12044         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12045         output_mov_double_fpa_from_arm, output_move_double,
12046         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12047         output_return_instruction, arm_output_function_prologue,
12048         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12049         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12050         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12051         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12052         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12053         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12054         '!' and 'L'.
12055         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12056         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12057         (arm_file_start): Output directive for unified syntax.
12058         (arm_unwind_emit_set): Handle stack alignment instruction.
12059         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12060         Add v6t2, v7, v7a, v7r and v7m.
12061         (RETLDM): Add Thumb-2 code.
12062         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12063         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12064         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12065         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12066         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12067         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12068         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12069         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12070         ADJUST_INSN_LENGTH): Define.
12071         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12072         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12073         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12074         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12075         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12076         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12077         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12078         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12079         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12080         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12081         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12082         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12083         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12084         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12085         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12086         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12087         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12088         cortex-m3.
12089         * config/arm/arm-tune.md: Regenerate.
12090         * config/arm/arm-protos.h: Update prototypes.
12091         * config/arm/vfp.md: Enable patterns for Thumb-2.
12092         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12093         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12094         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12095         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12096         * config/arm/libunwind.S: Add Thumb-2 code.
12097         * config/arm/constraints.md: Update include Thumb-2.
12098         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12099         * config/arm/ieee754-df.S: Ditto.
12100         * config/arm/bpabi.S: Ditto.
12101         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12102         * config/arm/predicates.md (low_register_operand,
12103         low_reg_or_int_operand, thumb_16bit_operator): New.
12104         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12105         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12106         * config/arm/t-arm-elf: Add armv7 multilib.
12107         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12108         Include thumb2.md.
12109         (UNSPEC_STACK_ALIGN, ce_count): New.
12110         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12111         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12112         insns/expanders.
12113         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12114         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12115         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12116         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12117         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12118         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12119         insns.
12120         * doc/extend.texi: Document ARMv7-M interrupt functions.
12121         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12122
12123 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12124
12125         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12126         (struct _Unwind_Context): Rename args_size to flags, remove
12127         signal_frame field, add a new args_size field and version field.
12128         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12129         _Unwind_IsExtendedContext): New inline functions.
12130         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12131         Assume by_value array is only present if _Unwind_IsExtendedContext.
12132         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12133         _Unwind_IsSignalFrame.
12134         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12135         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12136         (uw_init_context_1): Initialize context->flags to
12137         EXTENDED_CONTEXT_BIT.
12138         * config/rs6000/linux-unwind.h (frob_update_context): Use
12139         _Unwind_SetSignalFrame.
12140
12141 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12142
12143         PR middle-end/30353
12144         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12145         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12146         the value.
12147
12148 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12149
12150         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12151         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12152         RET, AT_SP): Remove.
12153         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12154         instead of RET.
12155
12156         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12157         * cfgbuild.c (find_basic_blocks): Likewise.
12158         * cfgrtl.c (rtl_create_basic_block): Likewise.
12159         * function.c (temp_slots_at_level): Likewise.
12160         * reg-stack.c (stack_regs_mentioned): Likewise.
12161         * regclass.c (allocate_reg_info): Likewise.
12162         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12163         set_bb_for_stmt, move_block_to_fn): Likewise.
12164         * tree-complex.c (tree_lower_complex): Likewise.
12165         * vec.h (VEC_safe_grow_cleared): New.
12166
12167         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12168
12169 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12170
12171         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12172         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12173         to loop_version.
12174         * cfgloopmanip.c (scale_loop_frequencies): Export.
12175         (loopify): Scale the frequencies by prescribed coefficients.
12176         (set_zero_probability): New function.
12177         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12178         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12179         and frequencies according to arguments.
12180         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12181         correctly.
12182         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12183         * modulo-sched.c (sms_schedule): Set probabilities for entering
12184         versioned loop correctly.
12185         * tree-vect-transform.c (vect_transform_loop): Ditto.
12186         * cfgloop.h (loopify, loop_version): Declaration changed.
12187         (scale_loop_frequencies): Declared.
12188
12189 2007-01-02  Jan Hubicka  <jh@suse.cz>
12190
12191         * cgraph.c: Include tree-flow.h
12192         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12193         early_local_passes.
12194         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12195         * tree-pass.h (pass_all_early_optimizations): Declare.
12196         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12197         early_local_passes.
12198         (cgraph_analyze_function): Do early_local_passes.
12199         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12200         Do not add referenced vars.
12201         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12202         SSA form.
12203         (gate_all_early_local_passes): New gate.
12204         (pass_early_local_passes): Use new gate.
12205         (execute_early_local_optimizations): New functions.
12206         (gate_all_early_optimizations): New gate.
12207         (pass_all_early_optimizations): New pass.
12208         (execute_free_datastructures): Free SSA only when initialized.
12209         (gate_init_datastructures): Init only when optimizing.
12210         (tree_lowering_passes): Do early local passes when called late.
12211         * tree-profile.c (do_tree_profiling): Don't profile functions added
12212         late.
12213         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12214         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12215         not active.
12216         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12217         during early_local_passes.
12218         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12219
12220
12221 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12222
12223         * Makefile.in: Update copyright year.
12224
12225 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12226
12227         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12228         in $(lang_checks) and check-consistency targets.
12229
12230 2007-01-02  Jan Hubicka  <jh@suse.cz>
12231
12232         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12233         Do not add referenced vars.
12234         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12235         are not active.
12236         * passes.c (init_optimization_passes): Put mudflap_2 after
12237         free_datastructures.
12238
12239 2007-01-02  Jan Hubicka  <jh@suse.cz>
12240
12241         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12242         Set NOTHROW flag on call statements proved to be nothrow.
12243         Update statement of local calls so new pure/const functions are
12244         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12245         goto receivers.
12246         (tree_rest_of_compilation): Register hooks and initialize bitmap
12247         early. Do not set after_inlining flag.
12248
12249 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12250
12251         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12252         HOST_BITS_PER_LONGLONG
12253
12254 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12255
12256         PR c/19977
12257         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12258         warning for non-static initializers.
12259
12260 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12261
12262         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12263         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12264         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12265         Always use set_unique_reg_note to add REG_EQUAL notes.
12266
12267 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12268
12269         Revert:
12270         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12271
12272         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12273         * cfgbuild.c (find_basic_blocks): Likewise.
12274         * cfgrtl.c (rtl_create_basic_block): Likewise.
12275         * function.c (temp_slots_at_level): Likewise.
12276         * reg-stack.c (stack_regs_mentioned): Likewise.
12277         * regclass.c (allocate_reg_info): Likewise.
12278         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12279         set_bb_for_stmt, move_block_to_fn): Likewise.
12280         * tree-complex.c (tree_lower_complex): Likewise.
12281         * vec.h (VEC_safe_grow_cleared): New.
12282
12283 2007-01-02  Ian Lance Taylor  <iant@google.com>
12284
12285         * c-common.c (c_common_truthvalue_conversion): When warning about
12286         using an assignment as a truth value, set TREE_NO_WARNING.
12287
12288 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12289
12290         PR middle-end/7651
12291         * c.opt (Wold-style-declaration): New.
12292         * doc/invoke.texi (C-only Warning Options): New.
12293         (Wold-style-declaration): Document it.
12294         (Wextra): Enabled by -Wextra.
12295         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12296         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12297         -Wold-style-declaration.
12298
12299 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12300
12301         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12302         * cfgbuild.c (find_basic_blocks): Likewise.
12303         * cfgrtl.c (rtl_create_basic_block): Likewise.
12304         * function.c (temp_slots_at_level): Likewise.
12305         * reg-stack.c (stack_regs_mentioned): Likewise.
12306         * regclass.c (allocate_reg_info): Likewise.
12307         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12308         set_bb_for_stmt, move_block_to_fn): Likewise.
12309         * tree-complex.c (tree_lower_complex): Likewise.
12310         * vec.h (VEC_safe_grow_cleared): New.
12311
12312 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12313
12314         * c-common.c (c_common_nodes_and_builtins): Since variants of
12315         void_type_node get built before it is given a name, we need to
12316         give those variants the name, too.
12317         (complete_array_type): We need to work with the canonical main
12318         type of the array, from which we will build the qualified version.
12319         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12320         * print-tree.c (print_node): Display canonical type information
12321         for each type.
12322         * stor-layout.c (layout_type): When we don't know the
12323         alignment of a type for which we're building an array, we end up
12324         guessing wrong, so make the type require structural equality.
12325         * tree.c (make_node_stat): When we build a new type, it is its
12326         own canonical type.
12327         (build_type_attribute_qual_variant): When building an attribute
12328         variant, its canonical type is the non-attribute variant. However,
12329         if the attributes are target-dependent and they differ, we need to
12330         use structural equality checks for this type.
12331         (build_qualified_type): A qualified type is not equivalent to its
12332         unqualified variant; set the canonical type appropriately.
12333         (build_distinct_type_copy): When building a distinct type from
12334         another type, the new type is its own canonical type.
12335         (build_variant_type_copy): When building a new type variant, we
12336         assume that it is equivalent to the original type.
12337         (build_pointer_type_for_mode): When building a pointer type, also
12338         build a canonical type pointer.
12339         (build_reference_type_for_mode): When building a reference type,
12340         also build a canonical type reference.
12341         (build_index_type): When we can't hash an index type (e.g.,
12342         because its maximum value is negative), the index type requires
12343         structural equality tests.
12344         (build_array_type): Build the canonical form of an array type.
12345         (build_function_type): Function types require structural equality,
12346         because they contain default arguments, attributes, etc.
12347         (build_method_type_directly): Ditto for method types.
12348         (build_offset_type): Build the canonical offset type.
12349         (build_complex_type): Build the canonical vector type.
12350         (make_vector_type): Build the canonical vector type.
12351         * tree.h (TYPE_CANONICAL): New.
12352         (TYPE_STRUCTURAL_EQUALITY_P): New.
12353         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12354         (struct tree_type): Added "canonical" field.
12355         * params.h (VERIFY_CANONICAL_TYPES): New.
12356         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12357         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12358         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12359         * doc/invoke.texi (verify-canonical-types): Document --param
12360         parameter for verifying canonical types.
12361
12362 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12363
12364         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12365         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12366         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12367         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12368         tm_file.
12369         * config/rs6000/e500.h: New.
12370         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12371         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12372         Remove.
12373         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12374         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12375         TARGET_E500_DOUBLE): Remove.
12376         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12377         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12378         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12379         * config/rs6000/rs6000.c (rs6000_override_options): Use
12380         CHECK_E500_OPTIONS.
12381
12382 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12383
12384         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12385         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12386         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12387         rs6000_emit_cmove): Don't check TARGET_E500.
12388         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12389         sordered): Don't check TARGET_E500.
12390
12391 2007-01-01  Eric Christopher  <echristo@apple.com>
12392
12393         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12394         HARD_REGISTER_NUM_P.
12395
12396 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12397
12398         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12399         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12400         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12401         eq/ne Y".
12402
12403 2007-01-01  Mike Stump  <mrs@apple.com>
12404
12405         * configure.ac: Remove support for building with Apple's gcc-3.1.
12406
12407 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12408
12409         PR middle-end/30311
12410         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12411         REG is a hard register.  Do not modify REG before calling
12412         subreg_nregs.
12413         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12414         multiple of the size of YMODE for certain lowpart cases.
12415
12416 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12417
12418         PR middle-end/30253
12419         * gimplify (voidify_wrapper_expr): Update for
12420         GIMPLE_MODIFY_STMT.
12421
12422 2007-01-01  Andreas Schwab  <schwab@suse.de>
12423
12424         PR target/29166
12425         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12426         save of BR0 in extra_spill_size instead of spill_size.
12427         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12428         area.
12429         (ia64_expand_epilogue): Restore BR0 from its new location.
12430
12431 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12432
12433         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12434         Use a temporary variable if the left hand side is not a gimple
12435         register.
12436
12437 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12438
12439         * gimplify.c (gimplify_return_expr): Make the temporary variable
12440         for the return expression, a gimple register variable.
12441
12442 2007-01-01  Jan Hubicka  <jh@suse.cz>
12443
12444         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12445         INSN_LIST.
12446
12447 2007-01-01  Mike Stump  <mrs@apple.com>
12448
12449         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12450         .literal16.
12451         * config/darwin.c (machopic_select_rtx_section): Use
12452         HAVE_GAS_LITERAL16.
12453         (darwin_mergeable_constant_section): Likewise.
12454         * configure: Regenerate.
12455         * config.in: Regenerate.
12456
12457 2007-01-01  Jan Hubicka  <jh@suse.cz>
12458             Andrew Pinski  <pinskia@gmail.com>
12459
12460         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12461         before starting IPA passes.